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WO2021155854A1 - 断路器和配电盒 - Google Patents

断路器和配电盒 Download PDF

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Publication number
WO2021155854A1
WO2021155854A1 PCT/CN2021/075664 CN2021075664W WO2021155854A1 WO 2021155854 A1 WO2021155854 A1 WO 2021155854A1 CN 2021075664 W CN2021075664 W CN 2021075664W WO 2021155854 A1 WO2021155854 A1 WO 2021155854A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
elastic member
insertion hole
circuit breaker
arm
Prior art date
Application number
PCT/CN2021/075664
Other languages
English (en)
French (fr)
Inventor
闫广超
曹国庆
张海玲
代攀
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2021155854A1 publication Critical patent/WO2021155854A1/zh

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02Housings; Casings; Bases; Mountings
    • H01H71/0264Mountings or coverplates for complete assembled circuit breakers, e.g. snap mounting in panel
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10Operating or release mechanisms

Definitions

  • This application relates to the technical field of circuit connection, and in particular to a circuit breaker and a power distribution box.
  • a circuit breaker for protecting the circuit is usually installed on the main line between the power source and all loads, and on the line where the high-power electric load is located.
  • a circuit breaker is a switch device, which may include a housing and a contact system, etc., wherein the housing may be provided with an inlet port and an outlet port, and the contact system may include a moving contact and a static contact. In this way, when wiring, the technician can first open the moving contact and the static contact, and then perform the wiring work in the inlet port and the outlet port.
  • the embodiments of the present application provide a circuit breaker and a power distribution box, which can solve the problem of low safety of the circuit breaker in the related art.
  • the technical solution is as follows:
  • a circuit breaker in one aspect, includes a housing, a button, a linkage mechanism, a moving contact, a static contact, a safety door, a first electrical conductor for wiring, and a second electrical conductor for wiring.
  • Body where:
  • the first electrical conductor is installed in the housing, and a wiring hole is provided on the housing at a position corresponding to the first electrical conductor.
  • a sliding groove adapted to the safety door is arranged between a conductor, and the sliding groove is communicated with the wire insertion hole;
  • the button is installed in the housing, the arm of the button is connected to the movable contact through the linkage mechanism, the movable contact is electrically connected to the first electrical conductor, and the static The contact is electrically connected to the second conductor, and the button controls the moving contact and the static contact to switch between the open state and the closed state through the linkage mechanism;
  • the safety door is inserted into the sliding groove, and a first elastic member is installed on the safety door.
  • the safety door slides in the sliding groove through the arm of the button and the first elastic member, so that the When there is no wire inserted in the wire insertion hole, and the movable contact and the static contact are in the closed state, the wire insertion hole is blocked by the safety door, and the first electrical conductor passes through the safety door and the safety door.
  • the exterior of the housing is isolated.
  • a safety door is installed at the position corresponding to the wire insertion hole in the circuit breaker, and the safety door can slide in the chute in the direction close to the bottom of the chute under the cooperation of the button and the first elastic member , You can also slide in the chute away from the bottom of the chute. In this way, when there is no wire inserted in the wire insertion hole and the movable contact and the static contact are in the closed state, the wire insertion hole is blocked by the safety door, and the first electrical conductor is isolated from the outside of the housing by the safety door.
  • the safety door is hung on a support arm of the button, and the support arm can drive the safety door to slide in a direction away from the bottom of the groove in the chute, and the first elastic
  • the elastic force of the safety door against the safety door faces the bottom of the chute, and the first elastic member can drive the safety door to slide in the chute toward the bottom of the groove;
  • the supporting arm rotates in the first rotation direction relative to the transition point between the button and the housing, the supporting arm moves in a direction close to the bottom of the sliding groove, and the movable contact Close with the static contact.
  • the support arm when the support arm rotates in the first direction of rotation around the transition point, it has at least the following characteristics: the moving contact and the static contact are closed; the support arm moves toward the bottom of the chute, and because the support arm can The safety door is driven to slide in the direction away from the bottom of the groove in the chute, so the support arm has a tendency to detach from the safety door.
  • the safety door when there is no wire inserted in the wire insertion hole, and the moving contact and the static contact are in the closed state, since the support arm has a tendency to separate from the safety door, the safety door can be in the first position. Under the action of the elastic force of the elastic piece, it slides to the bottom of the groove in the chute, so that the safety door shields the wire insertion hole. Furthermore, when there is no wire inserted in the wire insertion hole and the movable contact and the static contact are in the closed state, the wire insertion hole is blocked by the safety door, and the first electrical conductor is isolated from the outside of the housing by the safety door.
  • the button can control the movable contact and the static contact through the linkage mechanism to be arbitrarily between the open state and the closed state Switching without affecting the closing and opening of the circuit breaker.
  • the safety door is affected by the elastic force of the first elastic member Sliding down in the direction close to the bottom of the chute;
  • the button can control the movable contact and the static contact to switch between the open state and the closed state through the linkage mechanism.
  • the force of the arm of the button and the first elastic member respectively on the safety door can realize the sliding of the safety door in the chute, so that when there is no wire inserted in the wire insertion hole and the movable touch
  • the wire insertion hole is blocked by the safety door, and the first electrical conductor is isolated from the outside of the housing by the safety door.
  • the button can control the movable contact and the static contact through the linkage mechanism to switch between the opening state and the closing state arbitrarily, without affecting the closing and opening of the circuit breaker.
  • the safety door includes a horizontal plate and a vertical plate, the first surface of the horizontal plate is suspended on the arm of the button, and the first elastic member is installed on the horizontal plate , The vertical plate is inserted into the chute.
  • the horizontal plate is hung on the arm of the button. Since the vertical plate is inserted into the chute, even though the horizontal plate is hung on the arm, it will not Disengage from the support arm.
  • the support arm of the button is connected with the rotation of the linkage mechanism, and the horizontal plate of the safety door is hung on the support arm of the button.
  • this embodiment does not limit the rotational connection mode of the arm of the button and the link mechanism.
  • the arm can rotate with the link mechanism relative to the rotational connection between the button and the housing.
  • This embodiment does not limit the suspension mode of the horizontal plate of the safety door on the arm of the button.
  • the button can pull the safety door and slide away from the bottom of the groove in the chute.
  • the first elastic member is a torsion spring
  • the housing is provided with a torsion spring shaft for installing the torsion spring and a torsion arm shaft for supporting the torsion spring arm.
  • the torsion spring is sleeved on the torsion spring shaft;
  • a groove is provided on the second surface of the cross plate, the first torsion arm of the torsion spring is located in the groove, and the second torsion arm of the torsion spring is supported on the torsion arm shaft.
  • this embodiment does not limit the specific structure of the first elastic member, nor does it limit the specific installation method of the first elastic member, which can realize the direction of the elastic force of the safety door toward the groove of the chute.
  • the bottom direction is sufficient, so that the first elastic member can push the safety door to slide toward the bottom of the groove in the sliding groove.
  • the maximum elastic force value of the first elastic member is less than the rotational force between the support arm and the connecting mechanism, so that only the support arm and When the horizontal plates of the safety door are separated, the elastic force applied by the first elastic member to the horizontal plates is sufficient to make the safety door slide in the direction of the groove bottom in the sliding groove.
  • the height of the safety door is greater than the diameter of the wire insertion hole, there is no wire inserted in the wire insertion hole, and the movable contact and the static contact are in a closed state At this time, the wire insertion hole is completely blocked by the safety door.
  • this kind of plug-in hole is completely shielded by the safety door, which not only prevents the circuit breaker from inserting the wire into the plug-in hole by mistake when the circuit breaker is closed, but also can be left unplugged in the plug-in hole.
  • the safety door which not only prevents the circuit breaker from inserting the wire into the plug-in hole by mistake when the circuit breaker is closed, but also can be left unplugged in the plug-in hole.
  • the circuit breaker further includes a button cap, the button cap covers the button, and the button cap is rotatably mounted on the housing.
  • the button cap is adapted to the button, can be covered on the button and rotated and installed on the shell. In this way, when the user needs to operate the button, the button cap needs to be lifted, which can reduce carelessness. If you touch the button by mistake.
  • the first side of the button cap is rotatably mounted on the housing, and the second side of the button cap opposite to the first side is buckled on the housing ,
  • the button cap is provided with an operating buckle.
  • the button cap in order to further reduce the accidental accidental touch of the button, can also be snapped on the housing, and the user needs to use force to open the button cap.
  • the corresponding implementation structure can be: As shown in Figure 9 and with reference to Figure 2, the first side of the button cap is rotatably mounted on the housing, the second side of the button cap opposite to the first side is buckled on the housing, and the button cap is provided with an operating buckle.
  • the button is covered by the button cap, and one side of the button cap is rotated and installed on the shell, and the opposite side is buckled on the shell.
  • the button cap can be opened and closed by operating the buckle. The operation can greatly reduce the accidental touch of the button by mistake, and further improve the safety of the circuit breaker.
  • an arc extinguishing grid is installed at a position corresponding to the movable contact in the housing, and an exhaust port is provided on the housing at a position corresponding to the arc extinguishing grid.
  • An arc blocking plate is installed in the shell at a position corresponding to the arc extinguishing grid and the movable contact.
  • the arc extinguishing grid can divide the arc into multiple small arcs, and use the near-cathode effect of the AC arc to reduce the abnormal current by increasing the voltage of the arc, thereby achieving the effect of arc extinguishing.
  • the housing in order to avoid the arc splashing to other positions in the housing, correspondingly, as shown in Figures 2 and 4, the housing is installed at the position corresponding to the arc extinguishing grid and the movable contact There is an arc barrier.
  • the arc splashing on the arc blocking plate can be reflected to the arc extinguishing grid through the arc blocking plate.
  • the arc blocking plate can prevent the arc from splashing to other positions in the housing, forming a protective effect on the components in the housing, and improving the service life of the circuit breaker.
  • a filter component is installed in the housing at a position between the arc extinguishing grid and the exhaust port, and the filter component is used to filter the charged particles in the arc.
  • the housing A filter component is installed between the upper exhaust port and the arc extinguishing grid, and the filter component is used to filter the charged particles in the arc.
  • the filter component includes a first filter plate and a second filter plate that are relatively folded, and the meshes on the first filter plate and the meshes on the second filter plate are staggered with each other .
  • the meshes on the first filter plate and the meshes on the second filter plate are staggered, that is, the meshes on the first filter plate are opposite to the non-mesh areas on the second filter plate, and the first filter plate The non-mesh holes on the plate are opposite to the mesh holes on the second filter plate.
  • the double filtration of the filter component with the first filter plate and the second filter plate can further reduce the charged particles from the shell discharge.
  • the circuit breaker further includes a second elastic member, an unlocking member and a pushing member, wherein:
  • the housing is provided with a wire locking cavity communicating with the wire insertion hole, the sliding groove is located between the wire insertion hole and the wire locking cavity, and the second elastic member is located in the unlocking member And close to the wire insertion hole, the unlocking member is located in the lock wire cavity and away from the wire insertion hole, and the first end of the unlocking member is located between the wire insertion hole and the lock wire cavity In the first channel;
  • the housing is provided with an installation port communicating with the lock wire cavity, the pushing member is installed in the installation opening, and the pushing member can be positioned between the installation opening and the lock wire cavity. Taxiing in the second channel;
  • the pushing member does not push the second elastic member to move in a direction close to the unlocking member, the first end of the second elastic member is located in the first channel, and the pushing member pushes the second When the elastic member moves toward the unlocking member, the first end of the second elastic member leaves the first channel;
  • the unlocking member moves the first end of the second elastic member in a direction close to the first channel, The second elastic member abuts against the wire located in the first channel and closely adheres to the wire.
  • the wire insertion hole can be located in the chute for installing the safety door and Between the installation openings, that is, as shown in Figure 13, the sliding groove is located above the wire insertion hole, and the installation opening is located below the wire insertion hole.
  • the pushing member when there is no wire inserted in the wire insertion hole and the pushing member does not push the second elastic member, as shown in FIG. 16, the first end of the second elastic member is located in the first channel. If the user intends to insert the wire into the wire insertion hole, the pushing member can be pushed first so that the pushing member can push the second elastic member to move until the first end of the second elastic member leaves the gap between the wire insertion hole and the lock cavity The first channel. At this time, the user can insert the wire into the wire insertion hole.
  • the unlocking piece When the user inserts the wire into the innermost part of the wire lock cavity, the unlocking piece can be pushed to move the unlocking piece away from the wire insertion hole to make the second elastic piece
  • the first end moves toward the direction close to the first channel, and at this time, the wire is located in the first channel, so the second elastic member can tightly abut on the wire located in the first channel, making the second elastic member and the wire close fit. Furthermore, a good and stable electrical connection relationship between the wire and the first conductor in the housing is realized.
  • the second end of the unlocking member is fixed on the second end of the second elastic member, and a tongue is provided on the surface of the unlocking member facing the second elastic member ;
  • the unlocking member moves in a direction away from the second elastic member, and the first end of the second elastic member Disengaging the tongue and moving in a direction close to the first channel, the second elastic member abuts against the conductive wire located in the first channel and closely adheres to the conductive wire.
  • the first end of the second elastic member is located in the first channel. If the user intends to insert the wire into the wire insertion hole, the pushing member can be pushed first, so that the pushing member can push the second elastic member to move. During the movement of the second elastic member, as shown in FIG. 17, the first end of the second elastic member can be caught on the tongue of the unlocking member, so that the first end of the second elastic member leaves the first channel. At this time, the user can insert the wire into the wire insertion hole.
  • the unlocking piece When the user inserts the wire into the innermost part of the wire locking cavity, the unlocking piece can be pushed to move the unlocking piece away from the wire insertion hole.
  • the first end of the second elastic member can be disengaged from the tongue on the unlocking member, and the first end of the second elastic member will move toward the direction close to the first channel.
  • the wire is located in the first channel, so the second elastic member can tightly abut on the wire located in the first channel, so that the second elastic member is closely attached to the wire. Furthermore, a good and stable electrical connection relationship between the wire and the first conductor in the housing is realized.
  • the unlocking member includes a first arm and a second arm, and the first arm and the second arm are rotatably installed in the lock wire cavity at a position where the first arm and the second arm intersect.
  • the first end of the first arm is located in the first channel, and a card slot is provided on the surface of the second arm that faces away from the first channel;
  • the pushing member includes a hook and a push head, the hook extends from the push head, the hook portion of the hook faces the first channel, and the second elastic member is provided with a hook for passing through Opening
  • the hook of the pushing member passes through the opening of the second elastic member, and when the pushing head of the pushing member pushes the second elastic member to move toward the unlocking member, the hook is clamped on the In the slot of the second support arm, the push head pushes the second elastic member so that the first end of the second elastic member leaves the first channel;
  • the first end of the second elastic member is located in the first channel. If the user intends to insert the wire into the wire insertion hole, the pushing member can be pushed first, so that the hook of the pushing member can pass through the opening on the second elastic member, and the pushing head of the pushing member can push the second elastic member to move. During the movement of the second elastic member, as shown in FIG. 18, the hook can be caught in the slot of the second arm of the unlocking member facing away from the first channel, so that the pusher maintains the state of applying thrust to the second elastic member.
  • the user can insert the wire into the wire insertion hole.
  • the first arm of the unlocking member can be pushed, and the first arm moves away from the wire insertion hole.
  • the intersection of the first arm and the second arm is rotatably installed in the locking cavity, and then the second arm can move in the direction close to the first channel, so that the hook from the second arm is opposite to the first channel. Disengage from the card slot.
  • the pushing force of the pushing head toward the second elastic member is not enough to resist the elastic force of the second elastic member, so the second elastic member rebounds and resets, and the first end of the second elastic member will move toward the first end. Move in the direction of a channel.
  • the wire is located in the first channel, so the second elastic member can tightly abut on the wire located in the first channel, so that the second elastic member is closely attached to the wire. Furthermore, a good and stable electrical connection relationship between the wire and the first conductor in the housing is realized.
  • a power distribution box in another aspect, includes a connector and a plurality of circuit breakers as described above, the plurality of circuit breakers are electrically connected to the connector, and the plurality of circuit breakers are electrically connected to the connector.
  • the circuit breakers are connected in parallel, and the connector is used to connect each circuit breaker to the power terminal.
  • the power distribution box may be a DCDU (direction current distribution unit power distribution unit), and the DCDU may also be called a direct current power distribution unit, as shown in FIG. 21 is a schematic diagram of the structure of the DCDU.
  • DCDU direction current distribution unit power distribution unit
  • the rectifier module distributes a DC power source to the DCDU, and then distributes several DC channels through the DCDU for the main equipment of the base station.
  • Multi-channel (different amperage) branch power is sent out to supply power to the main equipment of each base station.
  • the power distribution box may also be a PDU (power distribution unit, power distribution unit), which is also a power distribution socket for a cabinet, as shown in FIG. 22 for a schematic structural diagram of the PDU.
  • PDU power distribution unit, power distribution unit
  • PDU is a product designed to provide power distribution for cabinet-mounted electrical equipment. It has a variety of series specifications with different functions, installation methods and different socket combinations, and can provide suitable racks for different power environments. Power distribution solution.
  • the connector may also be referred to as an input connector.
  • the input end of the connector is electrically connected to the power supply end, and the output end of the connector is electrically connected to a plurality of circuit breakers, respectively.
  • a safety door is installed in the circuit breaker at a position corresponding to the wire insertion hole.
  • the safety door can be in the direction of the chute in the housing close to the bottom of the chute. Sliding, you can also slide in the direction away from the bottom of the chute in the chute.
  • the safety door shields the wire insertion hole, and the first electrical conductor is isolated from the outside of the housing by the safety door.
  • the safety door will slide to the bottom of the slot in the chute to cover the wire insertion hole. Since the safety door is located in the chute, the wall of the chute limits the position of the safety door. Even if the user inserts the wire into the wire insertion hole, the wire will not push the safety door in the chute to contact the first conductor. Therefore, the circuit breaker can prevent the user from inserting the wire into the wire insertion hole by mistake in the closed state, thereby improving the safety of the circuit breaker.
  • FIG. 1 is a schematic diagram of an exploded structure of a circuit breaker before assembly according to an embodiment of the present application
  • FIG. 2 is a schematic diagram of a partial structure of a circuit breaker after assembly according to an embodiment of the present application
  • Fig. 3 is a schematic structural diagram of a button of a circuit breaker provided by an embodiment of the present application.
  • FIG. 4 is a schematic diagram of a partial structure of a circuit breaker after assembly according to an embodiment of the present application
  • Figure 5 is a schematic structural diagram of a circuit breaker provided by an embodiment of the present application.
  • Figure 6 is a schematic structural diagram of a circuit breaker provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a partial structure of a circuit breaker after assembly according to an embodiment of the present application.
  • Fig. 8 is a schematic structural diagram of a safety door of a circuit breaker provided by an embodiment of the present application.
  • FIG. 9 is a schematic structural diagram of a button cap of a button of a circuit breaker provided by an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of a moving contact of a circuit breaker provided by an embodiment of the present application.
  • FIG. 11 is a schematic structural diagram of a filter component of a circuit breaker provided by an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of a trip unit of a circuit breaker provided by an embodiment of the present application.
  • FIG. 13 is a schematic structural diagram of a wire lock cavity of a circuit breaker provided by an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of a second elastic member and an unlocking member of a circuit breaker provided by an embodiment of the present application;
  • 15 is a schematic structural diagram of a pusher of a circuit breaker provided by an embodiment of the present application.
  • FIG. 16 is a schematic diagram of a partial structure of a circuit breaker provided by an embodiment of the present application.
  • FIG. 17 is a schematic diagram of a partial structure of a circuit breaker provided by an embodiment of the present application.
  • FIG. 18 is a schematic diagram of a partial structure of a circuit breaker provided by an embodiment of the present application.
  • FIG. 19 is a schematic structural diagram of a pusher of a circuit breaker provided by an embodiment of the present application.
  • 20 is a schematic structural diagram of a second elastic member of a circuit breaker provided by an embodiment of the present application.
  • Figure 21 is a schematic structural diagram of a power distribution box provided by an embodiment of the present application.
  • Figure 22 is a schematic structural diagram of a power distribution box provided by an embodiment of the present application.
  • the first elastic part 8.
  • the button cap 801 the operating button
  • Filter component 111 first filter plate 112
  • second filter plate second filter plate
  • Power distribution box 110 connector 120, circuit breaker
  • the embodiment of the present application provides a circuit breaker.
  • the circuit breaker can be installed on the main line of the power supply and all loads, or on the line where the high-power load is located. The specific installation location is not limited.
  • the circuit breaker can be applied to the power distribution system of a wireless high-power 5G (fifth generation mobile communication technology, 5G) base station, and can also be applied to the power distribution system of a home circuit.
  • 5G wireless high-power 5G
  • the circuit breaker used in this embodiment The field is not limited, and it can be applied to line connections in any field.
  • Figure 1 is an exploded view of the circuit breaker before assembly
  • Figure 2 is a schematic structural diagram of the circuit breaker after assembly.
  • the circuit breaker may include a housing 1, a button 2, and a linkage mechanism 3.
  • the button 2 is installed in the housing 1, the arm 201 of the button 2 is connected to the movable contact 4 through the linkage mechanism 3, the movable contact 4 is electrically connected to the first conductor, and the static contact 5 is electrically connected to the second conductor.
  • the button 2 can be operated through the linkage mechanism 3 to switch between the opening state and the closing state of the moving contact 4 and the static contact 5; the safety door 6 is inserted into the chute, and the safety door 6 is equipped with a first The elastic member 7, the safety door 6 slides in the chute through the arm 21 of the button 2 and the first elastic member 7, so that when there is no wire inserted in the wire insertion hole 101, and the movable contact 4 and the static contact 5 are in contact In the gate state, the wire insertion hole 101 is blocked by the safety door 6, and the first electrical conductor is isolated from the outside of the housing 1 by the safety door 6.
  • the circuit breaker may be a miniature circuit breaker with an elongated structure, and the casing 1 as the outer shell of the circuit breaker has a box-shaped structure for protecting internal components.
  • Fig. 1 is an exploded view of the circuit breaker.
  • the inner wall of the housing 1 is provided with a plurality of protrusion structures, a plurality of shafts, a plurality of shaft holes, and a sliding groove structure to facilitate the installation of internal components.
  • the housing 1 is also provided with multiple mounting holes, multiple mounting ports, and multiple structures protruding from the housing 1, to facilitate the installation of operating components and the installation of assembly components.
  • the component may be a component for the user to operate, and the assembly component may be a component used to realize assembly connection with other devices.
  • the button 2 is a switch component for the user to operate in the circuit breaker
  • the link mechanism 3 is a mechanism that connects the button 2 and the movable contact 4, and may include a plurality of connecting rods connected in rotation.
  • the button 2 The moving contact 4 and the static contact 5 can be controlled to close or open through the linkage mechanism 3.
  • the circuit breaker realizes the function of connecting and disconnecting the circuit through the closing and opening of the movable contact 4 and the static contact 5.
  • the moving contact 4 and the static contact 5 are in the closed state, that is, the moving contact 4 and the static contact 5 are combined, and the moving contact 4 and the static contact 5 are in the open state, that is, the moving contact 4 is separated from the static contact 5.
  • Figure 2 shows the open state.
  • the button 2 can be a direct-acting push switch, a vertical pull switch, or a rotary switch, etc.
  • the specific type of the button 2 is not specifically limited in this embodiment, and it can be realized when the button 2 is pressed. Just drive the linkage mechanism 3 and the safety door 6 described below to move.
  • a rotary button can be used as an example.
  • the button 2 can be rotatably mounted on the housing 1.
  • the button 2 may include a support arm 201 and an operating part 202 for the user to operate.
  • the button 2 is rotatably installed in the housing 1. When the user operates, the button 2 can rotate relative to the housing 1, so that it can be carried. As the linkage mechanism 3 moves, the linkage mechanism 3 further brings the movable contact 4 and the static contact 5 to close or open.
  • the button 2 can be installed in the housing 1 by a rotating shaft.
  • the position where the operating part 202 is connected to the support arm 201 has a rotating hole.
  • the rotating shaft is installed in the rotating hole to realize the rotating installation in the housing 1.
  • the housing 1 is provided with a rotating hole adapted to the rotating shaft of the button 2
  • the button 2 is installed in the rotating shaft through the rotating shaft to realize the rotating installation in the shell. ⁇ 1 ⁇ Body 1.
  • the first end of the link mechanism 3 can be rotatably connected with the arm 201 of the button 2.
  • the second end of the link mechanism 3 can be rotatably connected with the movable contact 4.
  • Fig. 5 is a schematic diagram of a simple structure of a circuit breaker, which is the same as the structure shown in Figs. 2 and 4, but the structure is not completely the same.
  • the link mechanism 3 pushes the movable contact 4 , Make the moving contact 4 and the static contact 5 close.
  • Fig. 6 is a schematic diagram of a simple structure of the circuit breaker, which is the same as the structure shown in Figs. 2 and 4, but the structure is not completely the same.
  • the link mechanism 3 pulls the contact 4 to make The moving contact 4 and the static contact 5 are opened. It can be seen that the user can open and close the circuit breaker by operating button 2.
  • Figure 5 is a schematic structural diagram of the circuit breaker in the closed state
  • Figure 6 is a structural schematic diagram of the circuit breaker in the open state
  • Figures 5 and 6 are only a possible implementation of the circuit breaker. The specific implementation structure is not limited.
  • the circuit breaker can also be used as a wire connector, through which the electrical connection of the two devices is realized.
  • the circuit breaker also includes a first wiring device.
  • the conductor 14 and the second conductor 13 are used to realize the connection function of the circuit breaker.
  • the circuit breaker can be electrically connected to the first device through the first electrical conductor, and to the second device through the second electrical conductor.
  • the circuit breaker is electrically connected to realize the electrical connection between the first device and the second device through the circuit breaker. Therefore, the circuit breaker integrates the connection function of the connector, and the circuit breaker can also be called a circuit breaker with integrated live connection lines. .
  • the first electrical conductor and the second electrical conductor may both be located in the housing 1. Then, a first insertion hole is provided on the housing 1 at a position corresponding to the first electrical conductor. A second wire insertion hole is provided at the position of the two electrical conductors. When wiring, the wire can pass through the first wire insertion hole to achieve electrical connection with the first electrical conductor, and the other wire can pass through the second wire insertion hole and the second wire. The conductor realizes electrical connection.
  • one of the two electrical conductors is located in the housing 1, and the other electrical conductor extends out of the housing 1.
  • the first conductive body 14 may be located in the housing 1, and a wire hole 101 is provided on the housing 1 at a position corresponding to the first conductive body 14, as shown in FIGS. 1 and 2
  • the second electrical conductor 13 protrudes from the housing 1.
  • the number of first electrical conductors may be at least two, and the number of second electrical conductors may be at least two.
  • the number of the first conductor is two, and the number of the second conductor is two.
  • one way is realized by the moving contact 4 and the static contact 5. The electrical connection is sufficient, and the first electrical conductor and the second electrical conductor in the other path can be directly electrically connected, without the need for electrical connection through the movable contact 4 and the static contact 5.
  • each plug hole 101 corresponds to one safety door 6.
  • the number of first electrical conductors is two, as shown in FIG. 7, two wire insertion holes 101 are provided on the casing 1, and the circuit breaker also includes two safety doors 6, and each safety door 6 corresponds to one wire insertion. ⁇ 101.
  • the first electrical conductor and the second electrical conductor can be made of integrally formed metal sheets, and the integrally formed metal sheets have no welding points, which can reduce the resistance.
  • the circuit breaker in order to prevent the user from accidentally inserting the wire into the wire insertion hole 101 when the circuit breaker is in the closed state, which may cause dangerous accidents, correspondingly, as shown in Figure 1, Figure 2, Figure 4, Figure 5, and Figure 5,
  • the circuit breaker also includes a safety door 6.
  • the function of the safety door 6 is that when there is no wire inserted in the wire insertion hole 101, and the moving contact 4 and the static contact 5 are in the closed state, the wire insertion hole 101 is blocked by the safety door 6, and the safety door 6 can block the insertion of the wire The plug hole is in contact with the first electrical conductor, thereby improving the safety of the circuit breaker.
  • the wire insertion hole 101 is blocked by the safety door 6. It may be that a part of the wire insertion hole 101 is blocked by the safety door 6, or all of the wire insertion hole 101 is blocked by the safety door 6.
  • the degree of shielding is not limited. In a state where the wire insertion hole 101 is blocked by the safety door 6, the conventional wire can be prevented from being inserted through the wire insertion hole 101.
  • the security door 6 can block the wire insertion hole 101.
  • the realization structure may be that a sliding groove is provided between the wire insertion hole 101 and the first conductive body in the housing 1, and the sliding groove is communicated with the wire insertion hole 101, and the safety door 6 is inserted In the chute, as shown in Figure 1, Figure 2, Figure 4, Figure 5, Figure 6 and Figure 7, a first elastic member 7 is also installed on the safety door 6, and the safety door 6 can be separated from the arm 201 of the button 2. The safety door 6 can slide in the sliding groove through the arm 201 of the button 2 and the first elastic member 7 so that the safety door 6 can block the wire insertion hole 101.
  • the safety door 6 can block the wire insertion hole 101, and can prevent the wire from being inserted into the wire insertion hole and the first The electrical conductor contact can improve the safety of the circuit breaker.
  • the number of the first elastic members 7 is related to the number of the safety doors 6. For example, as shown in FIG. 7, when the number of the safety doors 6 is two, the number of the first elastic members 7 is also two.
  • the sliding groove communicates with the wire insertion hole 101 in order to realize that the safety door 6 inserted into the sliding groove can block the wire insertion hole 101.
  • a safety door 6 is installed in the circuit breaker at the position corresponding to the wire insertion hole 101.
  • the safety door 6 can slide in the chute toward the bottom of the chute.
  • You can also slide in the chute away from the bottom of the chute. In this way, when there is no wire inserted in the wire insertion hole 101 and the movable contact 4 and the static contact 5 are in the closed state, the wire insertion hole 101 is blocked by the safety door 6, and the first electrical conductor passes through the safety door 6 and the housing 1. External isolation.
  • the safety door 6 when there is no wire inserted in the wire insertion hole 101, as long as the movable contact 4 and the static contact 5 are closed, that is, as long as the circuit breaker is in the closed state, the safety door 6 will slide. If the slot slides toward the bottom of the slot, the safety door 6 will block the wire insertion hole 101. In this way, the user cannot insert the wire into the wire insertion hole 101 without opening the circuit breaker, thereby preventing the user from inserting the wire into the wire insertion hole by mistake in the closed state, thereby improving the circuit breaker. Security.
  • the circuit breaker When the circuit breaker is in the closed state, it is easy to cause electric shock hazard, and when the circuit breaker is closed and the wire is not inserted in the wire hole, it is more likely to insert a conductive object into the wire hole by mistake, so When the circuit breaker is closed and there is no wire inserted, the risk of electric shock is most likely to occur.
  • the safety door 6 will slide in the sliding groove in the housing 1 toward the bottom of the groove to block the wire insertion hole. It can be seen that the circuit breaker can cover the wire insertion hole 101 by the safety door 6 in the most dangerous state to avoid the risk of electric shock caused by accidentally inserting a conductive object into the wire insertion hole, thereby greatly improving the safety of the circuit breaker.
  • one implementation may be that the arm 201 of the button 2 can be pressed against the safety door 6, and the arm 201 can press the safety door 6 to slide in the chute toward the bottom of the groove, and the safety door 6 is also equipped with a first
  • the elastic member 7 has the elastic force direction of the first elastic member 7 facing away from the bottom of the chute. The first elastic member 7 can drive the safety door 6 to slide in the direction away from the bottom of the chute.
  • the safety door 6 can slide in the sliding groove under the pressure of the arm 201 of the button 2 At the bottom of the groove, the safety door 6 shields the wire insertion hole 101. Furthermore, when there is no wire inserted in the wire insertion hole 101 and the movable contact 4 and the static contact 5 are in the closed state, the wire insertion hole 101 is blocked by the safety door 6, and the first electrical conductor passes through the safety door 6 and the outside of the housing 1. isolate.
  • the button 2 can control the movable contact 4 and the static contact 5 through the linkage mechanism 3 to switch between the opening state and the closing state at will, without affecting the closing and opening of the circuit breaker.
  • another implementation can also be, as shown in Figures 2 and 4, the safety door 6 is hung on the arm 201 of the button 2, and the arm 201 can drive the safety door 6 in the chute toward the direction away from the bottom of the groove.
  • the elastic force of the first elastic member 7 on the safety door 6 is toward the bottom of the chute, and the first elastic member 7 can drive the safety door 6 to slide in the chute toward the bottom of the groove;
  • the arm 201 is relative to the button 2 and the housing
  • the transition point between 1 rotates according to the first rotation direction
  • the support arm 201 moves in a direction close to the bottom of the chute, and the movable contact 4 and the static contact 5 are closed.
  • the support arm 201 when the support arm 201 rotates in the first rotation direction around the transition point, it has at least the following characteristics: the movable contact 4 and the static contact 5 are closed; the support arm 201 moves in the direction close to the bottom of the chute, and Since the support arm 201 can drive the safety door 6 to slide in a direction away from the bottom of the groove in the chute, the support arm 201 has a tendency to separate from the safety door 6.
  • the button 2 can control the movable contact 4 and the static contact 5 through the linkage mechanism 3 to open the gate. Switch between the state and the closed state arbitrarily without affecting the closing and opening of the circuit breaker.
  • the force of the arm 21 of the button 2 and the first elastic member 7 respectively on the safety door 6 can realize the sliding of the safety door 6 in the chute, so that when the wire insertion hole 101 is not inserted
  • the wire insertion hole 101 is blocked by the safety door 6, and the first electrical conductor is isolated from the outside of the housing 1 by the safety door 6.
  • the button 2 can control the movable contact 4 and the static contact 5 through the linkage mechanism 3 to switch between the open state and the closed state arbitrarily, without affecting the closing of the circuit breaker Gate and opening.
  • the height of the safety door 6 is greater than the diameter of the wire insertion hole 101, there is no wire inserted in the wire insertion hole 101, and the movable contact 4 and When the static contact 5 is in the closed state, the wire insertion hole 101 is completely blocked by the safety door 6.
  • This kind of wire insertion hole 101 is completely shielded by the safety door 6, which can not only prevent the circuit breaker from inserting the wire into the wire insertion hole 101 by mistake when the circuit breaker is closed, but also can prevent the wire insertion hole 101 from being inserted into the wire hole 101. , To prevent dust from entering the circuit breaker, and achieve the effect of waterproof and dustproof.
  • the end of the safety door 6 may fit with the bottom of the chute, and there may be a distance between the end of the safety door 6 and the bottom of the chute.
  • the width of the safety door 6 is smaller than the width of the chute, then there is no wire inserted in the wire insertion hole 101, and the movable contact 4 and the static contact 5 are in the closed state, the safety door 6 can slide into the groove of the chute The bottom fits with the bottom of the groove.
  • the wire insertion hole 101 can be blocked by the safety door 6, and it can be partially or completely blocked.
  • the degree of blocking in this embodiment is not limited, and conductive objects cannot be inserted into the wire insertion hole 101.
  • the former implementation is similar to it and will not be repeated one by one. That is, the safety door 6 is hung on the arm 201 of the button 2.
  • the elastic member 7 is an example to introduce the elastic force of the safety door 6 toward the bottom of the chute.
  • the safety door 6 may include a horizontal plate 601 and a vertical plate 602.
  • the first surface of the horizontal plate 601 is hung on the arm 201 of the button 2.
  • the first elastic member 7 is installed on the horizontal plate 601, and the vertical plate 602 is inserted into the sliding groove.
  • the first surface of the horizontal plate 601 is the surface facing the sliding groove.
  • the horizontal plate 601 and the vertical plate 602 are integrally formed to form an L-shaped structure safety door.
  • the horizontal plate 601 is hooked on the support arm 201 of the button 2. For example, as shown in FIG. Since the vertical plate 602 is inserted into the sliding groove, although the horizontal plate 601 is hung on the support arm 201, it will not be separated from the support arm 201.
  • the number of the first electrical conductor can be two.
  • each wire insertion hole 101 corresponds to a safety door 6.
  • the button 2 may include two arms 201, one arm 201 is used to hook the horizontal plate 601 of one safety door 6, and the other arm 201 is used to hook the horizontal plate 601 of the other safety door 6.
  • the arm 201 of the button 2 can be rotatably connected with the first end of the link mechanism 3 through a rotating shaft.
  • the two arms 201 of the button 2 can be provided with rotating holes, and the first end of the link mechanism 3 can be provided with rotating holes, and then the rotating shafts are used to pass through them respectively. Pass through the rotating hole on one arm 201, the rotating hole on the first end of the link mechanism 3, and the rotating hole on the other arm 201, and both ends of the rotating shaft extend out of the rotating shaft, and the two ends of the rotating shaft are respectively A horizontal plate 601 of the safety door 6 is attached. Furthermore, the pivotal connection between the arm 201 of the button 2 and the link mechanism 3 is realized, and the horizontal plate 601 of the safety door 6 is hung on the arm 201 of the button 2.
  • cylinders for suspending the horizontal plate 601 may be respectively provided on the surfaces of the two supporting arms 201 that are away from each other, and the horizontal plate 601 is suspended by the cylinders on the supporting arms 201.
  • the two support arms 201 are provided with rotating holes on the surfaces facing each other, the first end of the link mechanism 3 is provided with a rotating shaft, and the first end of the link mechanism 3 is located between the two support arms 201 and is mounted on In the rotating holes on the two support arms 201, the support arm 201 of the button 2 and the link mechanism 3 are connected in rotation.
  • this embodiment does not limit the rotational connection between the arm 201 of the button 2 and the link mechanism 3.
  • the arm 201 can carry the link mechanism 3 relative to the button 2 and the housing 1. Rotate the rotating joints.
  • This embodiment does not limit the suspension mode of the horizontal plate 601 of the safety door 6 on the arm 201 of the button 2.
  • the button can pull the safety door 6 in the chute and slide away from the bottom of the groove. Can.
  • the first elastic member 7 may be any elastic member.
  • the first elastic member 7 may be a coil spring. One end of the coil spring is fixed to the housing 1, and the other end is fixed to the horizontal plate 601.
  • the second surface of the horizontal plate 601 is the surface opposite to the first surface, that is, the surface of the horizontal plate 601 facing away from the sliding groove.
  • the spiral spring may be in a compressed state.
  • the first elastic member 7 may be a spiral spring, one end of the spiral spring is fixed on the housing 1, and the other end may be fixed on the first surface of the horizontal plate 601 .
  • the spiral spring may be in a stretched state.
  • the first elastic member 7 may also be a torsion spring.
  • a torsion spring shaft 102 for installing a torsion spring and a torsion arm shaft 103 for supporting a torsion spring arm are provided on the housing 1.
  • the torsion spring is sleeved on the torsion spring shaft 102; as shown in FIG. 8, a groove 603 is provided on the second surface of the horizontal plate 601.
  • the first torsion arm of the torsion spring is located in the groove 603, The second torsion arm of the spring is supported on the torsion arm shaft 103.
  • this embodiment does not limit the specific structure of the first elastic member 7, nor does it limit the specific installation method of the first elastic member 7, as long as the direction of the elastic force of the safety door 6 is toward the bottom of the chute. , So that the first elastic member 7 can push the safety door 6 in the sliding groove to slide toward the bottom of the groove.
  • the maximum elastic force value of the first elastic member 7 is less than the rotational force between the arm 201 and the connecting mechanism 3. In this way, only when the support arm 201 is separated from the horizontal plate 601 of the safety door 6, the elastic force applied by the first elastic member 7 to the horizontal plate 601 is sufficient to slide the safety door 6 in the sliding groove toward the bottom of the groove.
  • FIG. 2 where the wire is inserted into the wire insertion hole 101 in FIG. 2.
  • the linkage mechanism 3 can drive the movable contact 4 moves to make the moving contact 4 and the static contact 5 open. Since the supporting arm 201 supports the horizontal plate 601, and the supporting force of the supporting arm 201 on the horizontal plate 601 is greater than the elastic force of the first elastic member 7 on the horizontal plate 601, the movable contact 4 and the static contact 5 are kept in the open state. At this time, the user can perform wiring work in the plug hole 101. At this time, the circuit breaker is in an open state, which will not cause danger to the user.
  • the linkage mechanism 3 can drive the movable contact 4 moves to make the moving contact 4 and the static contact 5 close.
  • the supporting arm 201 Since the horizontal plate 601 of the safety door 6 is suspended on the supporting arm 201, when the supporting arm 201 rotates according to the first rotation direction, the supporting arm 201 has a tendency to separate from the horizontal plate 601, and the first elastic member 7 imposes on the horizontal plate 601 The elastic force of the safety door 6 will make the vertical plate 602 of the safety door 6 slide to the bottom of the groove in the sliding groove, that is, the elastic force of the first elastic member 7 will keep the horizontal plate 601 suspended on the arm 201.
  • the vertical plate 602 may just cover the wire insertion hole 101, or it may be that the support arm 201 has not stopped rotating, and the vertical plate 602 has already blocked the wire insertion hole 101.
  • the vertical plate 602 of the safety door 6 can shield the wire insertion hole 101, which can prevent the user from being in the closed state The wire is mistakenly inserted into the wire insertion hole, thereby improving the safety of the circuit breaker.
  • the linkage mechanism 3 can drive the moving contact 4 to move, so that the moving contact 4 and the static contact 5 are closed.
  • the vertical plate 602 of the safety door 6 cannot slide due to the wire blocking.
  • the arm 201 of the button 2 rotates in the first rotation direction, it separates from the horizontal plate 601 of the safety door 6.
  • the linkage mechanism 3 can drive the moving contact 4 to move, so that the moving contact 4 and the static contact 5 are opened.
  • the arm 201 rotates in the second rotation direction, it gradually approaches the horizontal plate 601 of the safety door 6 until the arm 201 contacts the first surface of the horizontal plate 601.
  • the button 2 can just stop rotating, or, after the contact, the button 2 can also continue to rotate with the horizontal plate 601 to the maximum distance.
  • the circuit breaker also includes a button cap 8.
  • the button cap 8 covers the button 2, and the button cap 8 Rotatingly mounted on the housing 1.
  • the button cap 8 fits the button 2 and can be covered on the button 2 and rotated and installed on the housing 1. In this way, when the user needs to operate the button 2, the button cap 8 needs to be lifted, thereby reducing the amount of trouble. Be careful of touching button 2 by mistake.
  • the button cap 8 can also be buckled on the housing 1.
  • the user needs to use force to open the button cap 8.
  • the corresponding implementation structure can be as shown in Figure 9 and reference As shown in FIG. 2, the first side of the button cap 8 is rotatably mounted on the housing 1, the second side of the button cap 8 opposite to the first side is buckled on the housing 1, and the button cap 8 is provided with an operating buckle 801 .
  • the first side of the button cap 8 can be mounted on the housing 1 through a rotating shaft.
  • a rotating shaft is provided on the button cap 8
  • a rotating hole is provided on the housing 1, and the rotating shaft is mounted on the rotating In the hole, the button cap 8 is rotated and installed on the housing 1.
  • the button cap 8 is provided with a rotating hole
  • the housing 1 is provided with a rotating shaft
  • the rotating shaft is installed in the rotating hole, so that the button cap 8 is rotated and installed on the housing 1.
  • the second side of the button cap 8 can be buckled on the housing 1 through the cooperation of the protrusion and the groove.
  • the button cap 8 is provided with a spherical protrusion. Through the spherical protrusion, the button cap 8 can be interference-fitted on the housing 1.
  • the button cap 8 Since the button cap 8 is fastened on the housing 1, in order to facilitate the opening of the button cap 8, correspondingly, as shown in Figures 2 and 9, the button cap 8 is provided with an operating buckle 801, where the operating buckle 801 can be a triangle
  • the upper cover of the shape covers the outer surface of the button cap 8.
  • a notch for the user to buckle is formed between the operating buckle 801 and the button cap 8, and the top corner of the triangular-shaped operating buckle 801 is used to indicate the lifting direction.
  • the button 2 is covered by the button cap 8, and one side of the button cap 8 is rotated and mounted on the housing 1, and the opposite side is buckled on the housing 1, and the button cap 8 can be lifted by operating the buckle 801.
  • the button 2 performs closing and opening operations, which can greatly reduce the accidental touch of the button 2 and further enhance the safety of the circuit breaker.
  • an arc extinguishing grid 9 is installed at the position corresponding to the movable contact 4 in the housing 1, and the corresponding An exhaust port is provided at the position of the arc extinguishing grid 9, and an arc blocking plate 10 is installed in the housing 1 at the position corresponding to the arc extinguishing grid 9 and the movable contact 4.
  • the arc extinguishing grid 9 can divide the arc into multiple small arcs, using the near-cathode effect of the AC arc, by increasing the voltage of the arc to reduce the abnormal current, thereby achieving the effect of arc extinguishing.
  • the circuit breaker since the arc is an instant spark generated by the voltage breakdown of the air between the moving contact 4 and the static contact 5, the circuit breaker needs to be discharged in time. Accordingly, the position of the arc extinguishing grid 9 on the housing 1 There is an exhaust port so that high-temperature gas can be discharged from the circuit breaker through the exhaust port to avoid the danger caused by high-temperature and high-pressure gas.
  • the position of the button 2 on the housing 1 is taken as the front of the circuit breaker, and the arc extinguishing plate 9 can be installed at the rear end of the circuit breaker.
  • the arc extinguishing grid 9 is located at the rear end of the circuit breaker.
  • the exhaust port is also provided on the housing 1 behind the circuit breaker, so that the gas generated by the arc can be discharged backward.
  • Other equipment installed with the circuit breaker can be installed on the side of the circuit breaker, and the rear of the circuit breaker is not installed with other equipment, which can prevent the gas discharged through the exhaust port from damaging the equipment adjacent to the circuit breaker.
  • an arc blocking plate 10 is installed in the housing 1 at the positions corresponding to the arc extinguishing grid 9 and the movable contact 4 .
  • the arc blocking plate 10 can prevent the arc from splashing to other positions in the casing 1, forming a protective effect on the components in the casing 1, and can improve the service life of the circuit breaker.
  • the exhaust port on the housing 1 is connected to the arc extinguishing
  • a filter element 11 is installed between the grids 9 and the filter element 11 is used to filter the charged particles in the arc.
  • the filter component 11 may have a plate-like structure and be installed in the housing 1 between the exhaust port and the arc extinguishing grid 9.
  • the filter element 11 may include a first filter plate 111 and a second filter plate 112 that are relatively folded, The meshes on the first filter plate 111 and the meshes on the second filter plate 112 are staggered.
  • the meshes on the first filter plate 111 and the meshes on the second filter plate 112 are staggered, that is, the meshes on the first filter plate 111 are opposite to the non-mesh areas on the second filter plate 112. , The non-mesh holes on the first filter plate 111 are opposite to the mesh holes on the second filter plate 112.
  • the discharge of the charged particles from the housing 1 can be further reduced by the double filtration of the filter component 11 having the first filter plate 111 and the second filter plate 112.
  • the circuit breaker can also be used as a connector for wiring.
  • the circuit breaker can also have a wire-locking function.
  • the wire is inserted into the housing 1 through the wire insertion hole 101, it is inserted through the elastic member.
  • the wire in the wire hole 101 is squeezed to achieve a good and stable electrical connection relationship between the wire and the first conductor in the housing 1.
  • the corresponding implementation structure may be:
  • the circuit breaker further includes a second elastic member 15, an unlocking member 17, and a pushing member 18.
  • the housing 1 is provided with a lock communicating with the wire insertion hole 101
  • the wire cavity 106, the sliding groove is located between the wire insertion hole 101 and the lock wire cavity 106.
  • the second elastic member 15 is located in the unlocking member 17 and is close to the wire insertion hole 101.
  • the first end of the unlocking member 17 is located in the first passage 108 between the wire insertion hole 101 and the lock wire cavity 106; the housing 1 is provided with an installation port 107 communicating with the lock wire cavity 106 ,
  • the pushing member 18 is installed in the installation opening 107, and the pushing member 18 can slide in the second passage between the installation opening 107 and the locking cavity 106 to push the second elastic member 15 to move.
  • the pushing member 18 does not push the second elastic member 15 to move toward the unlocking member 17, as shown in FIG. 16
  • the first end of the second elastic member 15 is located in the first channel 108; the pushing member 18 pushes the second elastic member When 15 moves in the direction close to the unlocking member 17, as shown in FIG.
  • the first end of the second elastic member 15 leaves the first channel 108; when the wire inserted into the wire insertion hole 101 passes through the lock wire cavity 106, the unlocking member is pushed At 17 o'clock, the unlocking member 17 moves the first end of the second elastic member 15 toward the direction close to the first channel 108, and the second elastic member 15 abuts against the wire located in the first channel 108 and closely adheres to the wire.
  • the wire insertion hole 101 can be located Between the sliding groove of the safety door 6 and the installation opening 107, that is, as shown in FIG. 13, the sliding groove is located above the wire insertion hole 101, and the installation opening 18 is located below the wire insertion hole 101.
  • the second elastic member 15 may be a deformable elastic sheet as shown in FIGS. 14, 16, 17, 18 and 20.
  • it may be a metal elastic sheet or a plastic elastic sheet.
  • the wire inserted into the wire insertion hole 101 can be electrically connected to the first conductor in the wire locking cavity 106 through the second elastic member 15.
  • the second elastic piece is a plastic elastic piece, the second elastic member 15 can squeeze the wire inserted into the wire insertion hole 101 to electrically connect with the first conductor located in the wire locking cavity 106.
  • the specific material of the second elastic member is not limited in this embodiment, and it can be deformed by squeezing the wire inserted into the wire insertion hole 101, and the technician can flexibly select it according to the actual situation.
  • the second elastic member 15 when the second elastic member 15 is in a natural state, as shown in FIG. 16, its first end is located in the first passage 108 between the thread insertion hole 101 and the thread locking cavity 106, that is, it sags in the first passage 108. In channel 108. In the deformed state, as shown in FIG. 17, the second elastic member 15 leaves the first passage 108, so that the wire can pass through the first passage 108 and be installed in the locking cavity 106.
  • the unlocking member 17 is used to release the second elastic member 15 so that the second elastic member 15 moves in a direction close to the first channel 108 for resetting.
  • the pushing member 18 is used to push the second elastic member 15 so that the second elastic member 15 moves in a direction away from the first channel 108 and deforms.
  • the unlocking member 17 may have a plate-like structure, installed in the lock wire cavity 106 and located at the innermost of the lock wire cavity 106.
  • the pushing member 18 is inserted into the installation opening 107, and can slide in the passage between the installation opening 107 and the locking cavity 106 to push the second elastic member 15 in the locking cavity 106 so that the first end of the second elastic member 15 Leave in the first channel 108 between the wire insertion hole 101 and the lock cavity 106.
  • the pushing member 18 can be pushed first, so that the pushing member 18 can push the second elastic member 15 to move until the first end of the second elastic member 15 leaves the wire insertion hole 101 and The first passage 108 between the locking cavities 106. At this time, the user can insert the wire into the wire insertion hole 101.
  • the unlocking member 17 When the user inserts the wire into the innermost part of the wire lock cavity 106, the unlocking member 17 can be pushed, and the unlocking member 17 can move away from the wire insertion hole 101 to make The first end of the second elastic member 15 moves toward the direction close to the first channel 108, and at this time, the wire is located in the first channel 108, so the second elastic member 15 can tightly abut the wire located in the first channel 108 , So that the second elastic member 15 is closely attached to the wire. Furthermore, a good and stable electrical connection relationship between the wire and the first conductor in the housing 1 is realized.
  • one of the possible implementation structures may be:
  • FIG. 14 the second end of the unlocking member 17 is fixed on the second end of the second elastic member 15, and a tongue 171 is provided on the surface of the unlocking member 17 facing the second elastic member 15, as shown in FIG.
  • FIG. 14 It is a schematic diagram of the structure of the pushing member 18. In this way, as shown in FIGS.
  • the second end of the unlocking member 17 may be fixed to the second end of the second elastic member 15 by welding, or the unlocking member 17 and the second elastic member 15 are integrally formed.
  • the tongue 171 on the unlocking member 17 is used to suspend the first end of the second elastic member 15.
  • the tongue 171 can It is located at the position between the first channel between the wire insertion hole 101 and the lock wire cavity 106 and the second channel between the installation port 107 and the lock wire cavity 106, or the latch 171 is located between the installation port 107 and the lock wire cavity 106 between the second passage.
  • the first end of the second elastic member 15 is located at the first end. In channel 108. If the user intends to insert a wire into the wire insertion hole 101, the pushing member 18 can be pushed first, so that the pushing member 18 can push the second elastic member 15 to move. During the movement of the second elastic member 15, as shown in FIG. 17, the first end of the second elastic member 15 can be caught on the tongue 171 of the unlocking member 17, thereby causing the first end of the second elastic member 15 to move away from the first end. One channel 108. At this time, the user can insert the wire into the wire insertion hole 101.
  • the unlocking member 17 When the user inserts the wire into the innermost part of the wire locking cavity 106, the unlocking member 17 can be pushed to move the unlocking member 17 away from the wire insertion hole 101.
  • the first end of the second elastic member 15 can be disengaged from the tongue 171 on the unlocking member 17, and the first end of the second elastic member 15 will move closer to The direction of the first channel 108 moves, and at this time, the wire is located in the first channel 108, so the second elastic member 15 can tightly abut on the wire located in the first channel 108, so that the second elastic member 15 is tightly connected to the wire fit. Furthermore, a good and stable electrical connection relationship between the wire and the first conductor in the housing 1 is realized.
  • another implementation structure for allowing the second elastic member 15 to leave the first channel 108 may be as follows:
  • the unlocking member 17 includes a first arm 172 and a second arm 173.
  • the first arm 172 and the second arm 173 are rotatably installed in the lock thread cavity 106 at a position where the first arm 172 and the second arm 173 intersect.
  • the first end of the 172 is located in the first channel 108, and the surface of the second arm 173 facing away from the first channel 108 is provided with a card slot (not shown in the figure);
  • the pushing member 18 includes a hook 181 And the push head 182, the hook 181 extends from the push head 182.
  • the hook portion of the hook 181 faces the first channel 108.
  • the second elastic member 15 is provided with a hook 181 for passing through Over the opening 151.
  • the hook 181 of the pushing member 18 passes through the opening 151 of the second elastic member 15.
  • the push head 182 of the pushing member 18 pushes the second elastic member 15 to move toward the unlocking member 17, the hook 181 can be locked.
  • the first end of the second elastic member 15 is buckled on the tongue 171 on the unlocking member 17 to realize that the first end of the second elastic member 15 leaves the first channel 108.
  • the hook 181 of the pushing member 18 passes through the opening 151 on the second elastic member 15 and is caught in the slot of the second arm 173 of the unlocking member 17, so that the pushing head 182 of the pushing member 18 is retained.
  • a pushing force is applied to the second elastic member 15 so that the first end of the second elastic member 15 is suspended away from the first channel 108.
  • the pushing member 18 can be pushed first, so that the hook 181 of the pushing member 18 can pass through the opening 151 on the second elastic member 15, and the pushing head 182 of the pushing member 18 can push The second elastic member 15 moves.
  • the hook 181 can be caught in the slot of the second arm 173 of the unlocking member 17 facing away from the first channel 108, so that the push head 182 is kept facing the second channel.
  • the state in which the elastic member 15 exerts a pushing force causes the first end of the second elastic member 15 to suspend away from the first passage 108.
  • the user can insert the wire into the wire insertion hole 101.
  • the user can push the first arm 172 of the unlocking member 17, and the first arm 172 faces away from the insertion hole.
  • the direction of the thread hole 101 moves.
  • the intersection of the first arm 172 and the second arm 173 is rotatably installed in the locking cavity 106, and further, the second arm 173 can move toward the direction of the first channel 108, so that the hook 181 can be moved from the second arm 173. Detached from the card slot facing away from the first channel 108.
  • the pushing force of the push head 182 toward the second elastic member 15 is not enough to resist the elastic force of the second elastic member 15, so the second elastic member 15 rebounds and resets, and then The first end of the second elastic member 15 will move in a direction close to the first channel 108.
  • the wire is located in the first channel 108, so the second elastic member 15 can tightly abut on the wire located in the first channel 108, so that the second elastic member 15 closely fits the wire. Furthermore, a good and stable electrical connection relationship between the wire and the first conductor in the housing 1 is realized.
  • the circuit breaker can realize a good electrical connection relationship between the wire inserted into the wire insertion hole 101 and the first conductor in the wire lock cavity 106 through the second elastic member 15, the unlocking member 17 and the pushing member 18. Improve the stability of the circuit connection.
  • the The circuit breaker may also include a trip unit 12. As shown in Figures 2 and 4, the trip unit 12 is connected to the moving contact 4, and the trip unit 12 is used when the moving contact 4 and the static contact 5 are in a closed state. , And when the current value in the circuit where the circuit breaker is located is greater than the current value threshold, the control moving contact 4 and the static contact 5 are switched from the closed state to the open state.
  • the trip unit 12 automatically switches the circuit breaker in the closed state to the open state, and the automatic switching is an action triggered by a non-human operation button 2.
  • the trip unit 12 can be divided into a thermal trip device, an electromagnetic trip device, a loss-of-voltage trip device, a shunt trip device, and an electronic trip device.
  • This embodiment can use any of the above trip devices.
  • an example of an electromagnetic trip unit can be briefly described.
  • the trip unit 12 shown in FIG. 12 can be an oil-damped electromagnetic trip unit.
  • the magnetic field force of the coil in the trip unit 12 increases, causing the armature in the oil cup of the trip unit 12 to move to the oil cup
  • the armature located at the pole shoe in the oil cup can attract the armature leg, so that the armature leg pushes the tripping mechanism of the release 12, and the tripping mechanism can release the movable contact 4 connected to it.
  • the head 4 can be opened with the static contact 5 under the action of the opening spring.
  • the circuit breaker is switched from the closed state to the open state.
  • the circuit breaker may also need to be installed with other equipment, and the circuit breaker may be installed with other equipment through a locking mechanism.
  • the circuit breaker may further include an elastic block 16.
  • the housing 1 is provided with an opening 104 adapted to the elastic block 16.
  • a bar-shaped column 161 is provided at one end of the elastic block 16 and a bar-shaped through hole 162 is provided on the elastic block 16.
  • a mounting seat 105 is provided at a position corresponding to the opening 104, and a mounting hole matching the bar-shaped column 161 is provided on the mounting seat 105.
  • the bar-shaped column 161 of the elastic block 16 can be sleeved with a coil spring, and it is installed in the mounting hole of the mounting seat 105 in the housing 1 through the opening 104.
  • a bar-shaped column is provided on the housing 1.
  • the bar-shaped post can pass through the bar-shaped through hole 162 to limit the elastic block 16 and block the elastic block 16 to be completely retracted into the housing 1.
  • the bar-shaped column on the housing 1 may be a torsion arm shaft 103, which is a structure for supporting the second torsion arm of the torsion spring (i.e., the first elastic member 7).
  • the elastic block 16 is installed in the opening 104 of the housing 1, and the movement stroke of the elastic block 16 relative to the housing 1 is the length of the bar-shaped through hole 162, as shown in FIGS. 2 and 4, the elastic block 16 The part protruding from the housing 1 is used for locking with other equipment.
  • the button 2 of the circuit breaker is rotatably installed in the housing 1, and the arm 201 of the button 2 rotates through the linkage mechanism 3 and the movable contact 4
  • the movable contact 4 is installed in the housing 1 and electrically connected with the first electrical conductor for wiring
  • the static contact 5 is installed in the housing 1 and electrically connected with the second electrical conductor for wiring.
  • Button 2 is a structure for the user to operate.
  • the arm 201 of the button 2 can be rotated relative to the rotational connection of the button 2 and the housing 1, and the arm 201 is relative to the rotational connection of the first
  • the moving contact 4 and the static contact 5 are closed, so that the circuit breaker is in an open state.
  • the support arm 201 rotates in the second rotation direction relative to the rotating joint, the movable contact 4 and the static contact 5 are opened, so that the circuit breaker is in a closed state.
  • the housing 1 of the circuit breaker is provided with a wire insertion hole 101 at a position corresponding to the first electric conductor, a sliding groove is arranged between the wire insertion hole 101 and the first electric conductor, and the safety door 6 of the circuit breaker is inserted into the sliding groove , And can slide in the chute.
  • the horizontal plate 601 of the safety door 6 is hung on the support arm 201, and the vertical plate 602 of the safety door 6 is inserted into the chute.
  • a first elastic member 7 is installed on the horizontal plate 601.
  • the direction of the elastic force of the first elastic member 7 on the horizontal plate 601 is opposite to the direction of the supporting force of the arm 201 on the horizontal plate 601.
  • the direction of the elastic force is toward the bottom of the groove close to the sliding groove, and the direction of the supporting force of the support arm 201 on the horizontal plate 601 is toward the bottom of the groove away from the sliding groove.
  • the arm 201 rotates in a first rotation direction (such as a clockwise direction) relative to the adapter, the arm 201 moves toward the bottom of the chute, and the movable contact 4 and the static contact 5 are closed.
  • the support arm 201 rotates in the second rotation direction (for example, counterclockwise) relative to the transition, the support arm 201 moves away from the bottom of the chute, and the movable contact 4 and the static contact 5 are opened.
  • the support arm 201 rotates in the first rotation direction (for example, clockwise) relative to the transfer location, the support arm 201 moves toward the bottom of the chute, and the support arm 201 supports the horizontal plate 601
  • the direction of the force is toward the bottom of the groove away from the chute, and the two directions are opposite, so the arm 201 has a tendency to detach from the arm 201.
  • the support arm 201 rotates according to the first rotation direction (such as clockwise direction) relative to the adapter. If there is no wire inserted in the wire insertion hole 101, then there is no wire blocking in the chute, and the support arm 201 has a breakaway arm. In the trend of 201, the direction of the elastic force of the first elastic member 7 on the horizontal plate 601 is toward the bottom of the groove close to the chute. Therefore, the first elastic member 7 pushes the horizontal plate 601 of the safety door 6 to slide in the direction toward the bottom of the groove in the sliding groove until the safety door 6 blocks the wire insertion hole 101.
  • the first rotation direction such as clockwise direction
  • the safety door 6 can cover the wire insertion hole 101 to avoid inserting into the wire insertion hole 101 in this state
  • the wire is in contact with the first electrical conductor.
  • the support arm 201 rotates in the first rotation direction (such as clockwise) relative to the adapter. If there is a wire inserted in the wire insertion hole 101, the chute is blocked by the wire and the elastic force of the first elastic member 7 is relatively small. Therefore, the supporting arm 201 is separated from the horizontal plate 601, and the horizontal plate 601 is suspended above the supporting arm 201.
  • the support arm 201 rotates in the second rotation direction (for example, counterclockwise) relative to the transition point, and the movable contact 4 and the static contact 5 are opened.
  • the second rotation direction is opposite to the first rotation direction. For example, if the first rotation direction is clockwise, the second rotation direction is counterclockwise.
  • the arm 201 rotates in the first direction of rotation, the arm 201 moves toward the bottom of the chute.
  • the arm 201 rotates in the second direction of rotation
  • the arm 201 moves away from the bottom of the chute.
  • the direction of the supporting force of the arm 201 on the horizontal plate 601 is toward the bottom of the groove away from the chute, and these two directions are the same.
  • the arm 201 rotates in the second rotation direction (for example, the counterclockwise direction), it can move the horizontal plate 601 in a direction away from the bottom of the chute. Since the movable contact 4 and the static contact 5 are in the phase-opening state at this time, the circuit breaker is in the open state, which is a safe state. In this state, if there is no wire inserted in the wire insertion hole 101, the user can perform wire insertion work. If a wire is inserted into the wire insertion hole 101, the user can perform wire removal work.
  • the user when the circuit breaker is in the open state, the user can refer to Figure 16, Figure 17, and Figure 18 when plugging in. It is necessary to first connect the second elastic member 15 in the first channel 108 One end is removed. Accordingly, the user pushes the second elastic member 15 through the pushing member 18 to move the first end of the second elastic member 15 away from the first channel 108, and the user inserts the wire into the wire insertion hole 101. When the wire is inserted into the innermost position, the wire pushes the unlocking member 17, and the unlocking member 17 resets the second elastic member 15. At this time, there is a wire in the first channel 108, so that the second elastic member 15 is closely attached to the wire. Furthermore, a good and stable electrical connection relationship between the wire and the first conductor in the housing 1 is realized.
  • the circuit breaker When the circuit breaker is switched from the closed state to the open state, the voltage difference between the moving contact 4 and the static contact 5 will break down the air between the two and generate an arc.
  • the circuit breaker also includes an arc extinguishing plate 9.
  • an exhaust port is provided on the casing 1 at a position corresponding to the arc extinguishing fins 9 so that the high-temperature and high-pressure gas can be discharged from the casing 1.
  • an arc blocking plate 10 is installed in front of the arc extinguishing grid 9 in the housing 1, and the arc splashing to the arc blocking plate 10 can be blocked by the arc blocking plate. 10 is folded back to the arc extinguishing grid 9 and extinguished by the arc extinguishing grid 9, thereby protecting the internal components of the circuit breaker and prolonging the service life of the circuit breaker.
  • a filter component 11 is installed in the housing 1 between the arc extinguishing grid 9 and the exhaust port.
  • the filter component 11 can be The gas passing through the exhaust port is filtered to prevent the charged particles in the gas from being discharged from the housing 1.
  • the filter component 11 may include a first filter plate 111 and a second filter plate 112 that are relatively folded, and the meshes on the first filter plate 111 and the meshes on the second filter plate 112 are staggered.
  • the first filter plate 111 and the second filter plate 112 can double-filter the gas passing through the exhaust port, which greatly reduces the discharge of charged particles in the gas.
  • the circuit breaker also includes a trip unit 12, for example, an oil-damped electromagnetic trip unit, the trip unit 12 can be in the closed state of the movable contact 4 and the static contact 5, and the circuit breaker is located in the line
  • a trip unit 12 for example, an oil-damped electromagnetic trip unit
  • the trip unit 12 can be in the closed state of the movable contact 4 and the static contact 5, and the circuit breaker is located in the line
  • the moving contact 4 and the static contact 5 are controlled to automatically switch from the closed state to the open state to protect the circuit to avoid the danger caused by high current.
  • a safety door is installed at the position corresponding to the wire insertion hole in the circuit breaker.
  • the safety door can face the sliding groove in the housing near the bottom of the sliding groove. Sliding in the direction, or sliding in the direction away from the bottom of the chute in the chute.
  • the safety door shields the wire insertion hole, and the first electrical conductor is isolated from the outside of the housing by the safety door.
  • the safety door will slide to the bottom of the slot in the chute to cover the wire insertion hole. Since the safety door is located in the chute, the wall of the chute limits the position of the safety door. Even if the user inserts the wire into the wire insertion hole, the wire will not push the safety door in the chute to contact the first conductor. Therefore, the circuit breaker can prevent the user from inserting the wire into the wire insertion hole by mistake in the closed state, thereby improving the safety of the circuit breaker.
  • the embodiment of the present application also provides a power distribution box, which is used to implement the deployment and distribution of circuits, and can be applied to the power distribution system of a wireless high-power 5G (fifth generation mobile communication technology, 5G for short) base station. It can also be applied to the power distribution system of a home circuit. This embodiment does not limit the application field of the power distribution box, and can be applied to line connection in any field.
  • 5G wireless high-power 5G
  • the power distribution box 100 may include a connector 110 and a plurality of the above-mentioned circuit breakers 120, wherein the connector 110 is used as an intermediate transition piece, respectively. It is electrically connected to a plurality of circuit breakers 120, and the plurality of circuit breakers 120 are connected in parallel, and the connector 110 is used to connect each circuit breaker 120 to the power terminal.
  • the power terminal can be city power, generator, or battery.
  • the power distribution box 100 may be a DCDU (direction current distribution unit power distribution unit), and the DCDU may also be referred to as a direct current power distribution unit, as shown in FIG. 21 is a schematic diagram of the structure of the DCDU.
  • DCDU direction current distribution unit power distribution unit
  • the rectifier module distributes a DC power source to the DCDU, and then distributes several DC channels through the DCDU for the main equipment of the base station.
  • Multi-channel (different amperage) branch power is sent out to supply power to the main equipment of each base station.
  • the power distribution box may also be a PDU (power distribution unit, power distribution unit), which is also a power distribution socket for a cabinet, as shown in FIG. 22 for a schematic structural diagram of the PDU.
  • PDU power distribution unit, power distribution unit
  • PDU is a product designed to provide power distribution for cabinet-mounted electrical equipment. It has a variety of series specifications with different functions, installation methods and different socket combinations, and can provide suitable racks for different power environments. Power distribution solution.
  • the connector 110 may also be referred to as an input connector.
  • the input end of the connector 110 is electrically connected to the power terminal, and the output end of the connector 110 is electrically connected to a plurality of circuit breakers 120 respectively.
  • the circuit breaker 120 can divide the power entering the power distribution box 100 into multiple circuits, and each circuit breaker can be connected to one load device or multiple load devices.
  • each circuit breaker can be connected to one load device or multiple load devices.
  • one circuit breaker can be connected to an air conditioner, another circuit breaker can be connected to a refrigerator, another circuit breaker can be connected to lighting equipment, and so on.
  • One load device or multiple load devices use a circuit breaker to protect the circuit, so that even if one way fails, the load devices on the other circuits can continue to work.
  • the circuit breaker of the power distribution box is as described above, and a safety door is installed at the position corresponding to the plug-in hole inside.
  • the safety door can be moved toward the sliding groove in the housing with the cooperation of the button and the first elastic member. You can slide in the direction of the bottom of the chute, and you can also slide in the direction away from the bottom of the chute.
  • the safety door shields the wire insertion hole, and the first electrical conductor is isolated from the outside of the housing by the safety door.
  • the safety door will slide to the bottom of the slot in the chute to cover the wire insertion hole. Since the safety door is located in the chute, the wall of the chute limits the position of the safety door. Even if the user inserts the wire into the wire insertion hole, the wire will not push the safety door in the chute to contact the first conductor. Therefore, the circuit breaker can prevent the user from inserting the wire into the wire insertion hole by mistake in the closed state, thereby improving the safety of the circuit breaker.

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Abstract

本申请实施例公开了一种断路器和配电盒,属于电路连接技术领域。该断路器包括壳体、按钮、连杆机构、动触头、静触头、安全门、用于接线的第一导电体和第二导电体,其中:第一导电体安装在壳体中,壳体上对应第一导电体的位置处设置有插线孔,壳体中在插线孔与第一导电体之间设有滑槽;按钮安装在壳体中,按钮的支臂通过连杆机构与动触头相连,动触头与第一导电体电性连接,静触头与第二导电体电性连接;安全门插入于滑槽中,安全门上安装有第一弹性件,安全门通过支臂和第一弹性件在滑槽中滑行,使插线孔中未插有导线且动触头与静触头处于合闸状态时,第一导电体通过安全门与壳体的外部隔离。采用本申请,可以提高该断路器的安全性。

Description

断路器和配电盒
本申请要求于2020年02月06日提交的申请号为202010081821.8、发明名称为“断路器和配电盒”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电路连接技术领域,特别涉及一种断路器和配电盒。
背景技术
电路连接电路中,在电源与所有负载之间的主干线路上,以及在大功率用电的负载所在的线路上通常会安装用于保护电路的断路器。
断路器是一种开关装置,可以包括壳体和触头系统等,其中壳体上可以设置有进线端口和出线端口,触头系统可以包括动触头和静触头。这样技术人员在接线时,可以先让动触头与静触头相分闸,然后在进线端口和出线端口中进行接线工作。
接线工作中,技术人员容易在动触头和静触头处于相接触状态下,误将导线插入进线端口或者出线端口中,而造成危险,可见这种断路器的安全性较低。
发明内容
本申请实施例提供了一种断路器和配电盒,能够解决相关技术中断路器的安全性较低的问题,所述技术方案如下:
一方面,提供了一种断路器,所述断路器包括壳体、按钮、连杆机构、动触头、静触头、安全门、用于接线的第一导电体和用于接线的第二导电体,其中:
所述第一导电体安装在所述壳体中,所述壳体上对应所述第一导电体的位置处设置有插线孔,所述壳体中在所述插线孔与所述第一导电体之间设置有与所述安全门相适配的滑槽,所述滑槽与插线孔相连通;
所述按钮安装在所述壳体中,所述按钮的支臂通过所述连杆机构与所述动触头相连,所述动触头与所述第一导电体电性连接,所述静触头与所述第二导电体电性连接,所述按钮通过所述连杆机构操控所述动触头与所述静触头在分闸状态与合闸状态之间切换;
所述安全门插入于所述滑槽中,所述安全门上安装有第一弹性件,所述安全门通过所述按钮的支臂和所述第一弹性件在所述滑槽中滑行,使所述插线孔中未插有导线,且所述动触头与所述静触头处于合闸状态时,所述插线孔被所述安全门遮挡,所述第一导电体通过所述安全门与所述壳体的外部隔离。
本申请实施例所示的方案,该断路器中对应插线孔的位置处安装有安全门,安全门在按钮与第一弹性件的配合下,可以在滑槽中朝靠近滑槽槽底的方向滑行,也可以在滑槽中朝远离滑槽槽底的方向滑行。这样,当插线孔中未插有导线,且动触头与静触头处于合闸状态时, 插线孔被安全门遮挡,第一导电体通过安全门与壳体的外部隔离。
也即是,在插线孔中未插有导线的情况下,只要动触头与静触头合闸,也即是,只要断路器处于合闸状态,则安全门就会在滑槽中朝靠近槽底的方向滑行,安全门就会对插线孔进行遮挡。这样,用户在不对断路器进行分闸操作的前提下,就无法将导线插入到插线孔中,进而可以避免用户在合闸状态将导线误插入插线孔中,从而可以提高该断路器的安全性。
可见,该断路器在接线工作中,如果插线孔中未插有导线,且该断路器处于合闸状态,则安全门就会对插线孔进行遮挡,由于安全门位于滑槽中,滑槽的槽壁对安全门起到限位作用,即使用户将导线插入插线孔中,导线也不会与第一导电体相接触,故该断路器可以避免用户在合闸状态将导线误插入插线孔中,进而可以提高该断路器的安全性。
该断路器在合闸状态下,容易引发触电危险,而在断路器合闸状态且插线孔中未插导线的状态下,更容易出现误将导电的物体插入到插线孔的情况,故断路器在合闸且无导线插入的情况下最容易引发触电危险。而本方案中,只要是处于合闸且插线孔中无导线插入的状态下,安全门就会在壳体中的滑槽中向靠近槽底的方向滑行,将插线孔遮挡住。可见该断路器可以在最危险的状态下,通过安全门遮挡住插线孔,避免出现误将导电的物体插入到插线孔中引发触电危险,进而可以大大提高该断路器的安全性。
在一种可能的实现方式中,所述安全门悬挂在所述按钮的支臂上,所述支臂可带动所述安全门在所述滑槽中朝远离槽底的方向滑行,所述第一弹性件对所述安全门的弹力朝向所述滑槽的槽底,所述第一弹性件可带动所述安全门在所述滑槽中朝靠近槽底的方向滑行;
所述支臂相对于所述按钮与所述壳体之间的转接处按照第一旋转方向旋转时,所述支臂向靠近所述滑槽的槽底的方向移动,所述动触头与所述静触头合闸。
其中,支臂绕着转接处按照第一旋转方向旋转时,至少具有以下特征:动触头与静触头合闸;支臂向靠近滑槽的槽底的方向移动,而由于支臂可带动安全门在滑槽中朝远离槽底的方向滑行,故支臂具有与安全门脱离的趋势。
本申请实施例所示的方案,当插线孔中未插有导线,且动触头与静触头处于合闸状态时,由于支臂具有与安全门脱离的趋势,故安全门就可以在第一弹性件的弹力作用下,在滑槽中滑向槽底,使安全门对插线孔进行遮挡。进而实现插线孔中未插有导线,且动触头与静触头处于合闸状态时,插线孔被安全门遮挡,第一导电体通过安全门与壳体的外部隔离。而当插线孔中插有导线时,由于按钮的支臂与安全门属于可脱离式相接触,按钮可通过连杆机构操控动触头与静触头在分闸状态与合闸状态之间任意切换,而不影响该断路器的合闸和分闸。
在一种可能的实现方式中,所述插线孔中未插有导线,且所述动触头与所述静触头处于合闸状态时,所述安全门在所述第一弹性件的弹力下向靠近所述滑槽的槽底方向滑行;
所述插线孔中插有导线时,所述按钮可通过所述连杆机构操控所述动触头与所述静触头在分闸状态与合闸状态之间任意切换。
本申请实施例所示的方案,通过按钮的支臂和第一弹性件分别对安全门的作用力,可以实现安全门在滑槽中滑行,以使当插线孔中未插有导线,且动触头与静触头处于合闸状态时,插线孔被安全门遮挡,第一导电体通过安全门与壳体的外部隔离。当插线孔中插有导线时,按钮可通过连杆机构操控动触头与静触头在分闸状态与合闸状态之间任意切换,而不影响该断路器的合闸和分闸。
在一种可能的实现方式中,所述安全门包括横板和竖板,所述横板的第一表面悬挂在所 述按钮的支臂上,所述第一弹性件安装在所述横板上,所述竖板插入于所述滑槽中。
本申请实施例所示的方案,如图8所示,横板挂接在按钮的支臂上,由于竖板插入于滑槽中,这样,虽然横板挂在支臂上,但是也不会脱离支臂。按钮的支臂与连杆机构的转动连接,安全门的横板挂在按钮的支臂上。
其中,本实施例对按钮的支臂与连杆机构的转动连接方式不做限定,能够实现操作按钮时,支臂可以带着连杆机构相对于按钮与壳体的转动连接处旋转即可。本实施例对安全门的横板在按钮的支臂上的悬挂方式不做限定,能够实现操作按钮时,按钮能够拉着安全门在滑槽中朝远离槽底的方向滑行即可。
在一种可能的实现方式中,所述第一弹性件为扭簧,所述壳体上设置有用于安装所述扭簧的扭簧轴和用于支撑扭簧臂的扭臂轴,所述扭簧套在所述扭簧轴上;
所述横板的第二表面上设置有凹槽,所述扭簧的第一扭臂位于所述凹槽中,所述扭簧的第二扭臂支撑在所述扭臂轴上。
本申请实施例所示的方案,本实施例对第一弹性件的具体结构不做限定,对第一弹性件的具体安装方式也不做限定,能够实现对安全门的弹力方向朝向滑槽的槽底方向即可,以使第一弹性件可以推着安全门在滑槽中朝槽底的方向滑行。
其中,为了不影响按钮操控动触片与静触头的合闸与分闸,相应的,第一弹性件的最大弹力值小于支臂与连接机构之间的旋转力,这样,只有支臂与安全门的横板相分开时,第一弹性件向横板施加的弹力才足以使将安全门在滑槽中朝向槽底的方向滑行。
在一种可能的实现方式中,所述安全门的高度大于所述插线孔的直径,所述插线孔中未插有导线,且所述动触头与所述静触头处于合闸状态时,所述插线孔被所述安全门完全遮挡。
本申请实施例所示的方案,这种插线孔被安全门完全遮挡,不仅可以避免断路器在合闸状态下,误将导线插入到插线孔中,而且还能够在插线孔中未插有导线的状态下,避免灰尘进入到断路器中,达到防水防尘的效果。
在一种可能的实现方式中,所述断路器还包括按钮帽,所述按钮帽罩在所述按钮上,所述按钮帽转动安装在所述壳体上。
本申请实施例所示的方案,按钮帽与按钮相适配,可以罩在按钮上,并转动安装在壳体上,这样,用户需要操作按钮时,需要掀开按钮帽,进而可以减少不小心误碰触到按钮的情况。
在一种可能的实现方式中,所述按钮帽的第一侧转动安装在所述壳体上,所述按钮帽的与所述第一侧相对的第二侧扣合在所述壳体上,所述按钮帽上设置有操作扣。
本申请实施例所示的方案,为了进一步减少不小心误碰触到按钮的情况,按钮帽也可以扣合在壳体上,用户需要用力才可以掀开按钮帽,相应的实现结构可以是,如图9并参考图2所示,按钮帽的第一侧转动安装在壳体上,按钮帽的与第一侧相对的第二侧扣合在壳体上,按钮帽上设置有操作扣。
这样,通过按钮帽遮盖按钮,以及按钮帽的一侧转动安装在壳体上,相对的一侧扣合在壳体上,通过操作扣掀开按钮帽,才可以对按钮进行合闸和分闸操作,进而可以大大减少不小心误碰触到按钮的情况,进一步提升该断路器的安全性。
在一种可能的实现方式中,所述壳体中对应所述动触头的位置处安装有灭弧栅片,所述壳体上对应所述灭弧栅片的位置处设置有排气口,所述壳体中对应所述灭弧栅片与所述动触 头的位置处安装有电弧阻挡板。
其中,灭弧栅片可以将电弧分成多段小的电弧,利用交流电弧的近阴极效应,通过增加电弧的电压来使异常电流下降,进而达到灭弧的效果。
本申请实施例所示的方案,为了避免电弧飞溅到壳体中的其它位置处,相应的,如图2和图4所示,壳体中对应灭弧栅片与动触头的位置处安装有电弧阻挡板。这样,飞溅到电弧阻挡板上的电弧,经过电弧阻挡板可以反射到灭弧栅片处。通过电弧阻挡板可以阻挡电弧飞溅到壳体中的其它位置处,对壳体中的部件形成保护作用,可以提高断路器的使用寿命。
在一种可能的实现方式中,所述壳体中在所述灭弧栅片与所述排气口之间的位置处安装有过滤部件,所述过滤部件用于过滤电弧中的带电颗粒。
本申请实施例所示的方案,由于断路器与其它设备相接触,为了避免电弧中的带电颗粒从排气口排出,而影响其它设备,相应的,如图2和图4所示,壳体上的排气口与灭弧栅片之间安装有过滤部件,过滤部件用于过滤电弧中的带电颗粒。
在一种可能的实现方式中,所述过滤部件包括相对折的第一过滤板和第二过滤板,所述第一过滤板上的网孔与所述第二过滤板上的网孔相互错开。
其中,第一过滤板上的网孔与第二过滤板上的网孔相互错开,也即是,第一过滤板上的网孔与第二过滤板上的非网孔处相对,第一过滤板上的非网孔处于第二过滤板上的网孔相对。
本申请实施例所示的方案,电弧中的带电颗粒从灭弧栅片中排出后,通过具有第一过滤板和第二过滤板的过滤部件的双重过滤,可以进一步减少带电颗粒从壳体中排出。
在一种可能的实现方式中,所述断路器还包括第二弹性件、解锁件和推动件,其中:
所述壳体中设置有与所述插线孔连通的锁线腔,所述滑槽位于所述插线孔与所述锁线腔之间,所述第二弹性件位于所述解锁件中且靠近所述插线孔,所述解锁件位于所述锁线腔中且远离所述插线孔,所述解锁件的第一端位于所述插线孔与所述锁线腔之间的第一通道中;
所述壳体上设置有与所述锁线腔连通的安装口,所述推动件安装在所述安装口中,所述推动件可在位于所述安装口与所述锁线腔之间的第二通道中滑行;
所述推动件未推动所述第二弹性件朝靠近所述解锁件的方向移动时,所述第二弹性件的第一端位于所述第一通道中,所述推动件推动所述第二弹性件朝靠近所述解锁件的方向移动时,所述第二弹性件的第一端离开所述第一通道;
当插入所述插线孔中的导线穿过所述锁线腔推动所述解锁件时,所述解锁件使所述第二弹性件的第一端朝靠近所述第一通道的方向移动,所述第二弹性件抵触在位于所述第一通道中的导线上与所述导线紧密贴合。
其中,由于安全门需要遮挡插线孔,而用于插入导线的插线孔和用于安装推动件的安装口均与锁线腔相连通,故插线孔可以位于用于安装安全门的滑槽与安装口之间,也即是,如图13所示,滑槽位于插线孔的上方,安装口位于插线孔的下方。
本申请实施例所示的方案,当插线孔中未插有导线,且推动件未推动第二弹性件时,如图16所示,第二弹性件的第一端位于第一通道中。如果用户打算在插线孔中插入导线时,可以先推动推动件,使得推动件可以推动第二弹性件移动,直到第二弹性件的第一端离开位于插线孔与锁线腔之间的第一通道。这个时候,用户可以将导线插入到插线孔中,当用户将导线插入到锁线腔的最里面时,可以推动解锁件,解锁件朝远离插线孔的方向移动,使第二弹性件的第一端朝靠近第一通道的方向移动,而此时,导线位于第一通道中,故第二弹性件可 以紧紧抵触在位于第一通道中的导线上,使得第二弹性件与导线紧密贴合。进而实现导线与壳体中的第一导电体实现良好和稳定的电性连接关系。
在一种可能的实现方式中,所述解锁件的第二端固定在所述第二弹性件的第二端上,所述解锁件面对所述第二弹性件的表面上设置有卡舌;
所述推动件推动所述第二弹性件朝靠近所述解锁件的方向移动时,所述第二弹性件的第一端通过悬挂在所述卡舌上离开所述第一通道;
当插入所述插线孔中的导线穿过所述锁线腔推动所述解锁件时,所述解锁件朝远离所述第二弹性件的方向移动,所述第二弹性件的第一端脱离所述卡舌并朝靠近所述第一通道的方向移动,所述第二弹性件抵触在位于所述第一通道中的导线上与所述导线紧密贴合。
本申请实施例所示的方案,当插线孔中未插有导线,且推动件未推动第二弹性件时,如图16所示,第二弹性件的第一端位于第一通道中。如果用户打算在插线孔中插入导线时,可以先推动推动件,使得推动件可以推动第二弹性件移动。第二弹性件移动的过程中,如图17所示,第二弹性件的第一端可以卡在解锁件的卡舌上,进而使得第二弹性件的第一端离开第一通道。这个时候,用户可以将导线插入到插线孔中,当用户将导线插入到锁线腔的最里面时,可以推动解锁件,解锁件朝远离插线孔的方向移动。而解锁件朝远离插线孔的方向移动的过程中,第二弹性件的第一端可以与解锁件上的卡舌脱离,第二弹性件的第一端会朝靠近第一通道的方向移动,而此时,导线位于第一通道中,故第二弹性件可以紧紧抵触在位于第一通道中的导线上,使得第二弹性件与导线紧密贴合。进而实现导线与壳体中的第一导电体实现良好和稳定的电性连接关系。
在一种可能的实现方式中,所述解锁件包括第一支臂和第二支臂,所述第一支臂和所述第二支臂相交的位置处转动安装在所述锁线腔中,所述第一支臂的第一端位于所述第一通道中,所述第二支臂背对所述第一通道的表面上设置有卡槽;
所述推动件包括挂钩和推头,所述挂钩伸出于所述推头,所述挂钩的钩部面对所述第一通道,所述第二弹性件上设置有供所述挂钩穿过的开口;
所述推动件的挂钩穿过所述第二弹性件的开口,所述推动件的推头推动所述第二弹性件朝靠近所述解锁件的方向移动时,所述挂钩卡接在所述第二支臂的卡槽中,所述推头推动所述第二弹性件,使所述第二弹性件的第一端离开所述第一通道;
当插入所述插线孔中的导线穿过所述锁线腔推动所述解锁件的第一支臂时,所述解锁件发生旋转,所述解锁件的第二支臂朝靠近所述第一通道的方向移动,所述挂钩从所述第二支臂的卡槽中脱离,所述第二弹性件的第一端朝靠近所述第一通道的方向移动,所述第二弹性件抵触在位于所述第一通道中的导线上与所述导线紧密贴合。
本申请实施例所示的方案,当插线孔中未插有导线,且推动件的推头未推动第二弹性件时,第二弹性件的第一端位于第一通道中。而如果用户打算在插线孔中插入导线时,可以先推动推动件,使得推动件的挂钩可以穿过第二弹性件上的开口,推动件的推头可以推动第二弹性件移动。第二弹性件移动的过程中,如图18所示,挂钩可以卡在解锁件的第二支臂的背对第一通道的卡槽中,使推头保持向第二弹性件施加推力的状态,使得第二弹性件的第一端悬空离开第一通道。这个时候,用户可以将导线插入到插线孔中,当用户将导线插入到锁线腔的最里面时,可以推动解锁件的第一支臂,第一支臂朝远离插线孔的方向移动。第一支臂与第二支臂的相交处转动安装在锁线腔中,进而,第二支臂可以朝靠近第一通道的方向移动, 使挂钩从第二支臂的背对第一通道的卡槽中脱离,此时,推头向第二弹性件的推力不足以抵抗第二弹性件的弹力,故第二弹性件发生回弹复位,进而第二弹性件的第一端会朝靠近第一通道的方向移动。而此时,导线位于第一通道中,故第二弹性件可以紧紧抵触在位于第一通道中的导线上,使得第二弹性件与导线紧密贴合。进而实现导线与壳体中的第一导电体实现良好和稳定的电性连接关系。
另一方面,提供了一种配电盒,所述配电盒包括连接器和多个如上述所述的断路器,多个断路器分别与所述连接器电性连接,且所述多个所述断路器相并联,所述连接器用于使每个断路器接入电源端。
其中,配电盒可以是DCDU(direction current distribution unit电源分配单元),DCDU也可以称为直流电源分配单元,如图21所示为DCDU的结构示意图。
例如,在基站的配电系统中,市电引入后经过整流模块,分配一路直流电源至DCDU,然后经DCDU分配几路直流供基站主设备使用,也即是,一路直流进入DCDU,经过DCDU分成多路(不同安数)的支路电出去,给各个基站主设备供电。
其中,配电盒也可以是PDU(power distribution unit,电源分配单元),PDU也即是,机柜用电源分配插座,如图22所示为PDU的结构示意图。
在实施中,PDU是为机柜式安装的电气设备提供电力分配而设计的产品,拥有不同的功能、安装方式和不同插位组合的多种系列规格,能为不同的电源环境提供适合的机架式电源分配解决方案。
其中,连接器也可以称为输入连接器,连接器的输入端与电源端电性连接,连接器的输出端分别与多个断路器电性连接。
本申请实施例提供的技术方案带来的有益效果至少包括:
本申请实施例中,该断路器中对应插线孔的位置处安装有安全门,安全门在按钮与第一弹性件的配合下,可以在壳体中的滑槽中朝靠近滑槽槽底的方向滑行,也可以在滑槽中朝远离滑槽槽底的方向滑行。当插线孔中未插有导线,且动触头与静触头处于合闸状态时,安全门对插线孔进行遮挡,第一导电体通过安全门与壳体的外部隔离。可见,该断路器在接线工作中,如果插线孔中未插有导线,且该断路器处于合闸状态,则安全门就会在滑槽中滑向槽底,对插线孔进行遮挡。由于安全门位于滑槽中,滑槽的槽壁对安全门起到限位作用,即使用户将导线插入插线孔中,导线也不会推开位于滑槽中的安全门与第一导电体相接触,故该断路器可以避免用户在合闸状态将导线误插入插线孔中,进而可以提高该断路器的安全性。
附图说明
图1是本申请实施例提供的一种断路器组装前的爆炸结构示意图;
图2是本申请实施例提供的一种断路器组装后的局部结构示意图;
图3是本申请实施例提供的一种断路器的按钮的结构示意图;
图4是本申请实施例提供的一种断路器组装后的局部结构示意图;
图5是本申请实施例提供的一种断路器结构简图;
图6是本申请实施例提供的一种断路器结构简图;
图7是本申请实施例提供的一种断路器组装后的局部结构示意图;
图8是本申请实施例提供的一种断路器的安全门的结构示意图;
图9是本申请实施例提供的一种断路器的按钮的按钮帽的结构示意图;
图10是本申请实施例提供的一种断路器的动触头的结构示意图;
图11是本申请实施例提供的一种断路器的过滤部件的结构示意图;
图12是本申请实施例提供的一种断路器的脱扣器的结构示意图;
图13是本申请实施例提供的一种断路器的锁线腔的结构示意图;
图14是本申请实施例提供的一种断路器的第二弹性件和解锁件的结构示意图;
图15是本申请实施例提供的一种断路器的推动件的结构示意图;
图16是本申请实施例提供的一种断路器的局部结构示意图;
图17是本申请实施例提供的一种断路器的局部结构示意图;
图18是本申请实施例提供的一种断路器的局部结构示意图;
图19是本申请实施例提供的一种断路器的推动件的结构示意图;
图20是本申请实施例提供的一种断路器的第二弹性件的结构示意图;
图21是本申请实施例提供的一种配电盒的结构示意图;
图22是本申请实施例提供的一种配电盒的结构示意图。
图例说明
1、壳体 101、插线孔 102、扭簧轴 103、扭臂轴 104、开口
105、安装座 106、锁线腔 107、安装口 108、第一通道
2、按钮 201、支臂 202、操作部
3、连杆机构 4、动触头 5、静触头
6、安全门 601、横板 602、竖板 603、凹槽
7、第一弹性件 8、按钮帽 801、操作扣
9、灭弧栅片 10、电弧阻挡板
11、过滤部件 111、第一过滤板 112、第二过滤板
12、脱扣器 13、第二导电体 14、第一导电体
15、第二弹性件 151、开口
16、弹块 161、条形柱 162、条形通孔
17、解锁件 171、卡舌 172、第一支臂 173、第二支臂
18、推动件 181、挂钩 182、推头
100、配电盒 110、连接器 120、断路器
具体实施方式
本申请实施例提供了一种断路器,该断路器可以安装在电源与所有负载的主干线路上,也可以安装在大功率的负载所在的线路上,本实施例对该断路器在线路中的具体安装位置不做限定。该断路器可以应用在无线大功率5G(第五代移动通信技术,简称5G)基站的配电系统中,还可以应用在家庭电路的配电系统中,本实施例对该断路器所应用的领域不做限定,可以应用于任意领域的线路连接中。
如图1并参考图2所示,图1为该断路器组装之前的爆炸图,图2为该断路器组装后的结构示意图,该断路器可以包括壳体1、按钮2、连杆机构3、动触头4、静触头5、安全门6、用于接线的第一导电体和用于接线的第二导电体,其中:第一导电体安装在壳体1中,壳体 1上对应第一导电体的位置处设置有插线孔101,壳体1中在插线孔101与第一导电体之间设置有与安全门6相适配的滑槽,滑槽与插线孔101相连通;按钮2安装在壳体1中,按钮2的支臂201通过连杆机构3与动触头4相连,动触头4与第一导电体电性连接,静触头5与第二导电体电性连接,按钮2可通过连杆机构3操控动触头4与静触头5在分闸状态与合闸状态之间切换;安全门6插入于滑槽中,安全门6上安装有第一弹性件7,安全门6通过按钮2的支臂21和第一弹性件7在滑槽中滑行,以使当插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,插线孔101被安全门6遮挡,第一导电体通过安全门6与壳体1的外部隔离。
其中,该断路器可以是小型断路器,具有扁长型结构,壳体1作为该断路器的外壳,具有盒状结构,用于保护内部的部件。
如图1所示为该断路器的爆炸图,壳体1的内壁上设置有多个凸起结构、多个转轴、多个转轴孔,以及滑槽结构等,以便于实现内部部件的安装。如图1所示,壳体1上还设置有多个安装孔、多个安装口,以及多个伸出于壳体1的结构等,以便于操作部件的安装以及装配部件的安装,其中操作部件可以是供用户操作的部件,装配部件可以是用于与其它设备实现装配连接的部件。
其中,按钮2是该断路器中供用户操作的开关部件,连杆机构3是连接按钮2与动触头4的机构,可以包括多个转动连接的连杆,用户操作按钮2时,按钮2可以通过连杆机构3操控动触头4与静触头5合闸或分闸。
其中,该断路器通过动触头4和静触头5的合闸和分闸,实现其接通线路与断开线路的功能。动触头4与静触头5处于合闸状态,也即是动触头4与静触头5相结合,动触头4与静触头5处于分闸状态,也即是,动触头4与静触头5相分离,图2所示为分闸状态。
其中,按钮2可以是直动按压式开关,也可以是上下提拉式开关,还可以是旋转式开关等,本实施例对按钮2的具体类型不做具体限定,能够实现按钮2按动时带动连杆机构3和下文介绍的安全门6运动即可。为便于介绍可以以旋转式按钮进行示例,对于旋转式按钮,按钮2可以转动安装在壳体1上。
如图3所示,按钮2可以包括支臂201和供用户操作的操作部202,按钮2转动安装在壳体1中,用户操作时按钮2可以相对于壳体1发生旋转,使其可以带着连杆机构3运动,连杆机构3进一步带着动触头4与静触头5合闸或者分闸。
其中,按钮2可以通过转轴转动安装在壳体1中。例如,如图3所示,操作部202与支臂201相连接的位置处具有转孔,如图2所示,壳体1中设置有与按钮2的转孔相适配的转轴,按钮2可以通过转轴安装在转孔中实现转动安装在壳体1中。又例如,操作部202与支臂201相连接的位置处具有转轴,壳体1中设置有与按钮2的转轴相适配的转孔,按钮2通过转轴安装在转孔中实现转动安装在壳体1中。
在一个示例中,为了实现按钮2的旋转可带动动触头4的移动,相应的可以是,如图4所示,连杆机构3的第一端可以与按钮2的支臂201转动连接,连杆机构3的第二端可以与动触头4转动连接。这样,当用户操作按钮2时,支臂201可以绕着按钮2与壳体1的转动连接处发生旋转,进而连杆机构3可以带着动触头4移动。
例如,如图5所示,其中图5是断路器的一种简易结构示意图,与图2和图4所示的结构原理相同,但是结构不完全相同。用户按动按钮2的操作部202,使支臂201绕着按钮2 与连杆结构3的转接处按照第一旋转方向(如顺时针方向)旋转时,连杆机构3推动动触头4,使动触头4与静触头5相合闸。如图6所示,其中图6是断路器的一种简易结构示意图,与图2和图4所示的结构原理相同,但是结构不完全相同。用户按动按钮2的操作部202,使支臂201绕着转接处按照与第一旋转方向相反的第二旋转方向(如逆时针方向)旋转时,连杆机构3拉动触头4,使动触头4与静触头5分闸。可见,用户通过操作按钮2,可以实现该断路器的分闸与合闸。
其中,图5是断路器处于合闸状态的结构示意图,图6是断路器处于分闸状态的结构示意图,其中图5和图6只是该断路器的一种可能的实现方式,对该断路器的具体实现结构不做限定。
在实施中,该断路器还可以当作接线器,通过该断路器实现两个设备的电性连接,相应的,如图5和图6所示,该断路器还包括用于接线的第一导电体14和第二导电体13。其中,第一导电体和第二导电体用于实现该断路器的连接功能,例如,该断路器的可以通过第一导电体与第一设备电性连接,通过第二导电体与第二设备电性连接,进而实现通过该断路器使第一设备与第二设备建立电性连接,故该断路器集成了连接器的连接功能,进而该断路器也可以称为集成带电连接线的断路器。
在实施中,第一导电体和第二导电体可以均位于壳体1中,然后,在壳体1上对应第一导电体的位置处设置第一插线孔,在壳体1上对应第二导电体的位置处设置第二插线孔,接线时,可以使导线穿过第一插线孔与第一导电体实现电性连接,另一根导线穿过第二插线孔与第二导电体实现电性连接。
或者,两个导电体中一个导电体位于壳体1中,另一个导电体伸出于壳体1。例如,如图5和如图6所示,第一导电体14可以位于壳体1中,壳体1上对应第一导电体14的位置处设置有插线孔101,如图1、图2、图4、图5和图6所示,第二导电体13伸出于壳体1。
其中,第一导电体的数量可以是至少两个,第二导电体的数量可以是至少两个。例如,对于两相线路,第一导电体的数量为两个,第二导电体的数量为两个,这种情况下,这两路线中,一路中通过动触头4和静触头5实现电性连接即可,另一路中第一导电体和第二导电体可以直接电性连接,无需通过动触头4和静触头5实现电性连接。
其中,第一导电体的数量为多个,则与第一导电体相对应的插线孔101的数量也为多个,与插线孔101相对应的安全门6的数量也为多个,每个插线孔101对应一个安全门6。例如,第一导电体的数量为两个时,如图7所示,壳体1上设置有两个插线孔101,该断路器也包括两个安全门6,每一个安全门6对应一个插线孔101。
其中,为了降低第一导电体和第二导电体上的电阻,相应的,第一导电体和第二导电体可以由一体成型的金属片,一体成型的金属片上没有焊接点,可以降低电阻。
在实施中,为避免用户在该断路器处于合闸状态下,误将导线插入到插线孔101中,而引发危险事故,相应的,如图1、图2、图4、图5、图6和图7所示,该断路器还包括安全门6。其中,安全门6的作用是在插线孔101中未插有导线,且动触头4与静触头5处于合闸状态下时,插线孔101被安全门6遮挡,安全门6可以阻挡导线插入插线孔中与第一导电体接触,进而可以提高该断路器的安全性。
其中,插线孔101被安全门6遮挡,可以是插线孔101的一部分被安全门6遮挡,也可以是插线孔101的全部被安全门6遮挡,其中本实施例对插线孔101被安全门6遮挡的程度 不做限定,在插线孔101被安全门6遮挡的状态下,能够阻挡常规的导线穿过插线孔101插入即可。
其中,安全门6可以遮挡插线孔101的实现结构可以是,壳体1中在插线孔101与第一导电体之间设置有滑槽,滑槽与插线孔101相连通,安全门6插入于滑槽中,如图1、图2、图4、图5、图6和图7所示,安全门6上还安装有第一弹性件7,安全门6还与按钮2的支臂201可脱离式相接触,使安全门6可以通过按钮2的支臂201与第一弹性件7在滑槽中滑行,以使安全门6对插线孔101进行遮挡。例如,当插线孔101中未插有导线,且动触头4与静触头5处于合闸状态下时,安全门6可以遮挡插线孔101,可以阻挡导线插入插线孔中与第一导电体接触,进而可以提高该断路器的安全性。
其中,第一弹性件7的数量与安全门6的数量相关,例如,如图7所示,安全门6的数量为两个的情况下,第一弹性件7的数量也为两个。
其中,滑槽与插线孔101相连通是为了实现插入滑槽中的安全门6能够遮挡插线孔101。
基于上述结构,该断路器中对应插线孔101的位置处安装有安全门6,安全门6在按钮2与第一弹性件7的配合下,可以在滑槽中朝靠近滑槽槽底的方向滑行,也可以在滑槽中朝远离滑槽槽底的方向滑行。这样,当插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,插线孔101被安全门6遮挡,第一导电体通过安全门6与壳体1的外部隔离。
也即是,在插线孔101中未插有导线的情况下,只要动触头4与静触头5合闸,也即是,只要断路器处于合闸状态,则安全门6就会在滑槽中朝靠近槽底的方向滑行,安全门6就会对插线孔101进行遮挡。这样,用户在不对断路器进行分闸操作的前提下,就无法将导线插入到插线孔101中,进而可以避免用户在合闸状态将导线误插入插线孔中,从而可以提高该断路器的安全性。
可见,该断路器在接线工作中,如果插线孔101中未插有导线,且该断路器处于合闸状态,则安全门6就会对插线孔101进行遮挡,由于安全门6位于滑槽中,滑槽的槽壁对安全门6起到限位作用,即使用户将导线插入插线孔101中,导线也不会与第一导电体相接触,故该断路器可以避免用户在合闸状态将导线误插入插线孔中,进而可以提高该断路器的安全性。
该断路器在合闸状态下,容易引发触电危险,而在断路器合闸状态且插线孔中未插导线的状态下,更容易出现误将导电的物体插入到插线孔的情况,故断路器在合闸且无导线插入的情况下最容易引发触电危险。而本方案中,只要是处于合闸且插线孔中无导线插入的状态下,安全门6就会在壳体1中的滑槽中向靠近槽底的方向滑行,将插线孔遮挡住。可见该断路器可以在最危险的状态下,通过安全门6遮挡住插线孔101,避免出现误将导电的物体插入到插线孔中引发触电危险,进而可以大大提高该断路器的安全性。
其中,如上述所述,插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,插线孔101被安全门6遮挡,第一导电体通过安全门6与壳体1的外部隔离,这一效果的一种实现方式具有多种。
例如,一种实现方式可以是,按钮2的支臂201可以压在安全门6上,支臂201可压着安全门6在滑槽中朝靠近槽底的方向滑行,安全门6上还安装有第一弹性件7,第一弹性件7的弹力方向朝向远离滑槽的槽底的方向,第一弹性件7可带动安全门6在滑槽中朝向远离槽底的方向滑行。
这样,当插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,安全门6就可以在按钮2的支臂201的压力下,在滑槽中滑向槽底,使安全门6对插线孔101进行遮挡。进而实现插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,插线孔101被安全门6遮挡,第一导电体通过安全门6与壳体1的外部隔离。当插线孔101中插有导线时,由于按钮2的支臂201与安全门6属于可脱离式相接触,可脱离式相接触也即是,支臂201与安全门6可以相接触,也可以相脱离,按钮2可通过连杆机构3操控动触头4与静触头5在分闸状态与合闸状态之间任意切换,而不影响该断路器的合闸和分闸。
又例如,另一种实现方式还可以是,如图2和图4所示,安全门6悬挂在按钮2的支臂201上,支臂201可带动安全门6在滑槽中朝远离槽底的方向滑行,第一弹性件7对安全门6的弹力朝向滑槽的槽底,第一弹性件7可带动安全门6在滑槽中朝靠近槽底的方向滑行;支臂201相对于按钮2与壳体1之间的转接处按照第一旋转方向旋转时,支臂201向靠近滑槽的槽底的方向移动,动触头4与静触头5相合闸。
其中,支臂201绕着转接处按照第一旋转方向旋转时,至少具有以下特征:动触头4与静触头5合闸;支臂201向靠近滑槽的槽底的方向移动,而由于支臂201可带动安全门6在滑槽中朝远离槽底的方向滑行,故支臂201具有与安全门6脱离的趋势。
这样,当插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,由于支臂201具有与安全门6脱离的趋势,故安全门6就可以在第一弹性件7的弹力作用下,在滑槽中滑向槽底,使安全门6对插线孔101进行遮挡。进而实现插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,插线孔101被安全门6遮挡,第一导电体通过安全门6与壳体1的外部隔离。而当插线孔101中插有导线时,由于按钮2的支臂201与安全门6属于可脱离式相接触,按钮2可通过连杆机构3操控动触头4与静触头5在分闸状态与合闸状态之间任意切换,而不影响该断路器的合闸和分闸。
由此可见,上述实现方式,通过按钮2的支臂21和第一弹性件7分别对安全门6的作用力,可以实现安全门6在滑槽中滑行,以使当插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,插线孔101被安全门6遮挡,第一导电体通过安全门6与壳体1的外部隔离。当插线孔101中插有导线时,按钮2可通过连杆机构3操控动触头4与静触头5在分闸状态与合闸状态之间任意切换,而不影响该断路器的合闸和分闸。
在一个示例中,为了使安全门6能够完全将插线孔101遮挡住,相应的,安全门6的高度大于插线孔101的直径,插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,插线孔101被安全门6完全遮挡。
这种插线孔101被安全门6完全遮挡,不仅可以避免断路器在合闸状态下,误将导线插入到插线孔101中,而且还能够在插线孔101中未插有导线的状态下,避免灰尘进入到断路器中,达到防水防尘的效果。
其中,插线孔101被安全门6完全遮挡的情况下,安全门6的端部可能与滑槽的槽底相贴合,安全门6的端部也可能与滑槽的槽底之间具有间距。例如,如果安全门6的宽度小于滑槽的宽度,那么在插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,安全门6可以滑入滑槽的槽底与槽底相贴合。而如果安全门6的远离滑槽的槽底的位置处的宽度大于滑槽的宽度,安全门6的靠近滑槽的槽底的位置处的宽度小于滑槽的宽度,那么,在 插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,安全门6的端部与滑槽的槽底之间具有一定的间距。
其中,本实施例中对插线孔101中未插有导线,且动触头4与静触头5处于合闸状态时,安全门6的端部是否与滑槽的槽底相贴合不做限定,能够实现插线孔101被安全门6遮挡即可,可以是部分遮挡,也可以是完全遮挡,本实施例遮挡程度不做限定,能够实现导电的物体不能插入插线孔101中即可。
为便于介绍,可以以后一种实现方式进行详细介绍,前一种实现方式与之类似,便不再一一赘述,也即是,以安全门6挂接在按钮2的支臂201上,第一弹性件7对安全门6的弹力朝向滑槽的槽底,进行示例介绍。
为了实现安全门6挂接在按钮2的支臂201上,如图8所示,安全门6可以包括横板601和竖板602,横板601的第一表面挂接在按钮2的支臂201上,第一弹性件7安装在横板601上,竖板602插入于滑槽中。
其中,横板601的第一表面是面向滑槽的表面。
在一个示例中,如图8所示,横板601和竖板602一体成型,形成L形结构的安全门。横板601挂接在按钮2的支臂201上,例如,如图2所示,支臂201上设置有凸起结构,横板601可以挂接在支臂201的凸起结构上。由于竖板602插入于滑槽中,这样,虽然横板601挂在支臂201上,但是也不会脱离支臂201。
如上述所述,第一导电体的数量可以是两个,相应的,如图2所示,壳体1上设置有两个插线孔101,那么,每个插线孔101对应一个安全门6,这种情况下,按钮2可以包括两个支臂201,一个支臂201用于挂接一个安全门6的横板601,另一个支臂201用于挂接另一个安全门6的横板601。
而由于按钮2的支臂201还需要与连杆机构3的第一端转动连接,按钮2的支臂201可以通过转轴与连杆机构3的第一端转动连接。如图2所示,以两个插线孔101示例,按钮2的两个支臂201上可以设置有转孔,连杆机构3的第一端可以设置有转孔,然后,使用转轴分别穿过一个支臂201上的转孔、连杆机构3的第一端的转孔、另一个支臂201上的转孔,且该转轴的两端均伸出于转轴,该转轴的两端分别挂接一个安全门6的横板601。进而实现按钮2的支臂201与连杆机构3的转动连接,安全门6的横板601挂在按钮2的支臂201上。
或者,也可以在两个支臂201上相互远离的表面上分别设置有用于悬挂横板601的圆柱,通过支臂201上的圆柱悬挂横板601。这两个支臂201上相互面对的表面上设置有转孔,连杆机构3的第一端设置有转轴,连杆机构3的第一端位于两个支臂201之间,并且安装在两个支臂201上的转孔中,实现按钮2的支臂201与连杆机构3的转动连接。
其中,本实施例对按钮2的支臂201与连杆机构3的转动连接方式不做限定,能够实现操作按钮2时,支臂201可以带着连杆机构3相对于按钮2与壳体1的转动连接处旋转即可。本实施例对安全门6的横板601在按钮2的支臂201上的悬挂方式不做限定,能够实现操作按钮2时,按钮能够拉着安全门6在滑槽中朝远离槽底的方向滑行即可。
在一个示例中,第一弹性件7可以是任意具有弹性的部件,例如,第一弹性件7可以是螺旋式弹簧,螺旋式弹簧的一端固定在壳体1上,另一端固定在横板601的第二表面上,其 中,横板601的第二表面即是与第一表面相对的表面,也即是,是横板601背对滑槽的表面。为了满足第一弹性件7对安全门6的弹力是朝靠近滑槽的槽底方向,相应的,螺旋式弹簧可以处于压缩状态。
在一个示例中,如图5和图6所示,第一弹性件7可以是螺旋式弹簧,螺旋式弹簧的一端固定在壳体1上,另一端可以固定在横板601的第一表面上。为了满足第一弹性件7对安全门6的弹力是朝靠近滑槽的槽底方向,相应的,螺旋式弹簧可以处于拉伸状态。
在一个示例中,第一弹性件7还可以是扭簧,如图2所示,壳体1上设置有用于安装扭簧的扭簧轴102和用于支撑扭簧臂的扭臂轴103,扭簧套在扭簧轴102上;如图8所示,横板601的第二表面上设置有凹槽603,如图2所示,扭簧的第一扭臂位于凹槽603中,扭簧的第二扭臂支撑在扭臂轴103上。
其中,本实施例对第一弹性件7的具体结构不做限定,对第一弹性件7的具体安装方式也不做限定,能够实现对安全门6的弹力方向朝向滑槽的槽底方向即可,以使第一弹性件7可以推着安全门6在滑槽中朝槽底的方向滑行。
其中,为了不影响按钮2操控动触片4与静触头5的合闸与分闸,相应的,第一弹性件7的最大弹力值小于支臂201与连接机构3之间的旋转力,这样,只有支臂201与安全门6的横板601相分开时,第一弹性件7向横板601施加的弹力才足以使将安全门6在滑槽中朝向槽底的方向滑行。
这样,以下阐述可以参考图2所示,其中图2是插线孔101中插有导线。插线孔101中未插有导线的情况下,用户按动按钮2的操作部202,使支臂201按照第二旋转方向(如逆时针方向)旋转时,连杆机构3可以带动动触头4运动,使动触头4与静触头5分闸。由于支臂201支撑着横板601,而且支臂201对横板601的支撑力大于第一弹性件7对横板601的弹力,故动触头4与静触头5保持在分闸状态。这个时候,用户可以在插线孔101中进行接线工作,此时,该断路器处于分闸状态,不会对用户造成危险。
插线孔101中未插有导线的情况下,用户按动按钮2的操作部202,使支臂201按照第一旋转方向(如顺时针方向)旋转时,连杆机构3可以带动动触头4运动,使动触头4与静触头5合闸。由于安全门6的横板601是悬挂在支臂201上,则支臂201按照第一旋转方向旋转时,支臂201具有与横板601脱离的趋势,而第一弹性件7对横板601施加的弹力会使安全门6的竖板602在滑槽中滑向槽底,也即是,第一弹性件7的弹力使横板601保持悬挂在支臂201上。支臂201停止旋转时,竖板602可以是恰好遮挡住插线孔101,也可以是,支臂201还未停止旋转,竖板602已经遮挡住插线孔101。进而,插线孔101中未插有导线,且动触头4与静触头5合闸的情况下,安全门6的竖板602可以对插线孔101进行遮挡,可以避免用户在合闸状态将导线误插入插线孔中,进而可以提高该断路器的安全性。
插线孔101中插有导线的情况下,用户按动按钮2的操作部202,使支臂201按照第一旋转方向旋转(如图5所示,按照顺时针方向旋转)时,连杆机构3可以带动动触头4运动,使动触头4与静触头5合闸。这种情况下,由于导线挡着,安全门6的竖板602无法滑行,这种情况下按钮2的支臂201按照第一旋转方向旋转时,与安全门6的横板601脱离开。
插线孔101中插有导线的情况下,用户按动按钮2的操作部202,使支臂201按照第二旋转方向旋转(如图6所示,按照逆时针方向旋转)时,连杆机构3可以带动动触头4运动, 使动触头4与静触头5分闸。这种情况下,支臂201按照第二旋转方向旋转时,逐渐靠近安全门6的横板601,直至支臂201与横板601的第一表面相接触。当相接触时,按钮2可以恰好停止旋转,或者,相接触后,按钮2还可以带着横板601继续旋转至最大距离。
在一个示例中,为了避免对按钮2的误操作,相应的,如图1、图2和图4所示,该断路器还包括按钮帽8,按钮帽8罩在按钮2上,按钮帽8转动安装在壳体1上。
在实施中,按钮帽8与按钮2相适配,可以罩在按钮2上,并转动安装在壳体1上,这样,用户需要操作按钮2时,需要掀开按钮帽8,进而可以减少不小心误碰触到按钮2的情况。
为了进一步减少不小心误碰触到按钮2的情况,按钮帽8也可以扣合在壳体1上,用户需要用力才可以掀开按钮帽8,相应的实现结构可以是,如图9并参考图2所示,按钮帽8的第一侧转动安装在壳体1上,按钮帽8的与第一侧相对的第二侧扣合在壳体1上,按钮帽8上设置有操作扣801。
在实施中,按钮帽8的第一侧可以通过转轴安装在壳体1上,例如,如图9所示,按钮帽8上设置有转轴,壳体1上设置有转孔,转轴安装在转孔中,实现按钮帽8转动安装在壳体1上。又例如,按钮帽8上设置有转孔,壳体1上设置有转轴,转轴安装在转孔中,实现按钮帽8转动安装在壳体1上。
按钮帽8的第二侧可以通过凸起与凹槽的配合实现扣合在壳体1上。例如,如图9所示,按钮帽8上设置有球状凸起,通过球状凸起,按钮帽8可以过盈扣合在壳体1上。
由于按钮帽8扣合在壳体1上,为便于掀开按钮帽8,相应的,如图2和图9所示,按钮帽8上设置有操作扣801,其中,操作扣801可以是三角形状的上盖,盖合在按钮帽8的外表面上,操作扣801与按钮帽8之间形成供用户扣住的槽口,三角形状的操作扣801的顶角用于指示掀起方向。
这样,通过按钮帽8遮盖按钮2,以及按钮帽8的一侧转动安装在壳体1上,相对的一侧扣合在壳体1上,通过操作扣801掀开按钮帽8,才可以对按钮2进行合闸和分闸操作,进而可以大大减少不小心误碰触到按钮2的情况,进一步提升该断路器的安全性。
在一种可能的应用中,断路器由合闸状态切换为分闸状态时,断路器由有电流经过突然切换为无电流经过的转变过程中,动触头4与静触头5之间会产生电弧,为了避免电弧造成的危险,相应的,如图1、图2和图4所示,壳体1中对应动触头4的位置处安装有灭弧栅片9,壳体1上对应灭弧栅片9的位置处设置有排气口,壳体1中对应灭弧栅片9与动触头4的位置处安装有电弧阻挡板10。
其中,灭弧栅片9可以将电弧分成多段小的电弧,利用交流电弧的近阴极效应,通过增加电弧的电压来使异常电流下降,进而达到灭弧的效果。
在实施中,由于电弧是因电压击穿动触头4与静触头5之间的空气产生的瞬间火花,需要及时排出断路器,相应的,壳体1上对应灭弧栅片9的位置处设置有排气口,这样,高温气体可以通过排气口从断路器中排出,以避免高温高压气体带来的危险。
其中,如图2和图4所示,以按钮2在壳体1上的位置为断路器的前方,灭弧珊片9可以安装在断路器的后端,断路器的后端也即是与按钮2相对的一端。而由于灭弧栅片9在壳 体1中的位置与动触头4的位置相对应,相应的,如图9所示,通过调整动触头4的倾斜角度α,使灭弧栅片9可以位于断路器的后端。
灭弧栅片9位于断路器的后端,相应的,排气口也设置有断路器的后方的壳体1上,这样电弧产生的气体可以向后排出。而与断路器相安装的其它设备可以安装在断路器的侧部,断路器的后部不与其它设备进行安装,可以避免通过排气口排出的气体对与断路器相邻的设备造成损坏。
为了避免电弧飞溅到壳体1中的其它位置处,相应的,如图2和图4所示,壳体1中对应灭弧栅片9与动触头4的位置处安装有电弧阻挡板10。这样,飞溅到电弧阻挡板10上的电弧,经过电弧阻挡板10可以反射到灭弧栅片9处。通过电弧阻挡板10可以阻挡电弧飞溅到壳体1中的其它位置处,对壳体1中的部件形成保护作用,可以提高断路器的使用寿命。
由于断路器与其它设备相接触,为了避免电弧中的带电颗粒从排气口排出,而影响其它设备,相应的,如图2和图4所示,壳体1上的排气口与灭弧栅片9之间安装有过滤部件11,过滤部件11用于过滤电弧中的带电颗粒。
在实施中,过滤部件11可以具有板状结构,安装在壳体1中,位于排气口与灭弧栅片9之间。或者,为了提升过滤部件11的过滤效果,相应的,如图11并参考图1、图2和图4所示,过滤部件11可以包括相对折的第一过滤板111和第二过滤板112,第一过滤板111上的网孔与第二过滤板112上的网孔相互错开。
其中,第一过滤板111上的网孔与第二过滤板112上的网孔相互错开,也即是,第一过滤板111上的网孔与第二过滤板112上的非网孔处相对,第一过滤板111上的非网孔处于第二过滤板112上的网孔相对。
这样,电弧中的带电颗粒从灭弧栅片9中排出后,通过具有第一过滤板111和第二过滤板112的过滤部件11的双重过滤,可以进一步减少带电颗粒从壳体1中排出。
如上述所述,该断路器还可以作为用于接线的连接器,相应的该断路器还可以具有锁线功能,当导线穿过插线孔101插入壳体1中时,通过弹性件对插线孔101中的导线进行挤压,使导线与壳体1中的第一导电体实现良好和稳定的电性连接关系,为了实现这一效果,相应的实现结构可以是:
如图13至图20所示,该断路器还包括第二弹性件15、解锁件17和推动件18,其中:如图13所示,壳体1中设置有与插线孔101连通的锁线腔106,滑槽位于插线孔101与锁线腔106之间,如图16所示,第二弹性件15位于解锁件17中且靠近插线孔101,解锁件17位于锁线腔106中且远离插线孔101,解锁件17的第一端位于插线孔101与锁线腔106之间的第一通道108中;壳体1上设置有与锁线腔106连通的安装口107,推动件18安装在安装口107中,推动件18可在位于安装口107与锁线腔106之间的第二通道中滑行,以推动第二弹性件15移动。推动件18未推动第二弹性件15朝靠近解锁件17的方向移动时,如图16所示,第二弹性件15的第一端位于第一通道108中;推动件18推动第二弹性件15朝靠近解锁件17的方向移动时,如图17所示,第二弹性件15的第一端离开第一通道108;当插入插线孔101中的导线穿过锁线腔106推动解锁件17时,解锁件17使第二弹性件15的第一端朝靠近第一通道108的方向移动,第二弹性件15抵触在位于第一通道108中的导线上与导线紧密贴合。
其中,由于安全门6需要遮挡插线孔101,而用于插入导线的插线孔101和用于安装推动件18的安装口107均与锁线腔106相连通,故插线孔101可以位于用于安装安全门6的滑槽与安装口107之间,也即是,如图13所示,滑槽位于插线孔101的上方,安装口18位于插线孔101的下方。
在实施中,第二弹性件15可以是如图14、图16、图17、图18和图20所示的能够发生变形的弹片,例如,可以是金属弹片,也可以是塑形弹片等。如果是金属弹片,插入到插线孔101中的导线可以通过第二弹性件15与锁线腔106中的第一导电体实现电性连接。而如果第二弹性片为塑形弹片,第二弹性件15可以挤压着插入到插线孔101中的导线与位于锁线腔106中的第一导电体电性连接。其中,本实施例对第二弹性件的具体材质不做限定,能够发生变形,挤压插入于插线孔101中的导线即可,技术人员可以根据实际情况灵活选取。
其中,在第二弹性件15在自然状态下,如图16所示,其第一端位于插线孔101与锁线腔106之间的第一通道108中,也即是,耷拉在第一通道108中。第二弹性件15在变形状态下,如图17所示,离开第一通道108中,以使导线可以穿过第一通道108安装在锁线腔106中。
其中,解锁件17用于释放第二弹性件15,以使第二弹性件15朝靠近第一通道108的方向移动,进行复位。推动件18用于推动第二弹性件15,以使第二弹性件15朝远离第一通道108的方向移动,发生变形。
在实施中,解锁件17可以具有板状结构,安装在锁线腔106中,且位于锁线腔106的最里面。推动件18插入于安装口107中,可以在安装口107与锁线腔106之间的通道滑行,以推动锁线腔106中的第二弹性件15,使第二弹性件15的第一端离开位于插线孔101与锁线腔106之间的第一通道108中。
这样,当插线孔101中未插有导线,且推动件18未推动第二弹性件15时,如图16所示,第二弹性件15的第一端位于第一通道108中。如果用户打算在插线孔101中插入导线时,可以先推动推动件18,使得推动件18可以推动第二弹性件15移动,直到第二弹性件15的第一端离开位于插线孔101与锁线腔106之间的第一通道108。这个时候,用户可以将导线插入到插线孔101中,当用户将导线插入到锁线腔106的最里面时,可以推动解锁件17,解锁件17朝远离插线孔101的方向移动,使第二弹性件15的第一端朝靠近第一通道108的方向移动,而此时,导线位于第一通道108中,故第二弹性件15可以紧紧抵触在位于第一通道108中的导线上,使得第二弹性件15与导线紧密贴合。进而实现导线与壳体1中的第一导电体实现良好和稳定的电性连接关系。
其中,使第二弹性件15离开位于插线孔101与锁线腔106的第一通道108的实现结构具有多种,例如,其中一种可能的实现结构可以是:
如图14所示,解锁件17的第二端固定在第二弹性件15的第二端上,解锁件17面对第二弹性件15的表面上设置有卡舌171,如图15所示为推动件18的结构示意图。这样,如图16和图17所示,推动件18推动第二弹性件15朝靠近解锁件17的方向移动时,第二弹性件15的第一端通过悬挂在卡舌171上而离开第一通道108;当插入插线孔101中的导线穿过锁线腔106推动解锁件17时,解锁件17朝远离第二弹性件15的方向移动,第二弹性件15的第一端脱离卡舌171并朝靠近第一通道108的方向移动,第二弹性件15抵触在位于第一通道108中的导线上与导线紧密贴合。
其中,解锁件17的第二端可以通过焊接的方式固定在第二弹性件15的第二端上,或者,解锁件17与第二弹性件15一体成型。
在实施中,解锁件17上的卡舌171用于悬挂第二弹性件15的第一端,为了让第二弹性件15的第一端可以离开第一通道108,相应的,卡舌171可以位于插线孔101与锁线腔106之间的第一通道和安装口107与锁线腔106之间的第二通道之间的位置处,或者,卡舌171位于安装口107与锁线腔106之间的第二通道中。
这样,如图16所示,当插线孔101中未插有导线,且推动件18未推动第二弹性件15时,如图16所示,第二弹性件15的第一端位于第一通道108中。如果用户打算在插线孔101中插入导线时,可以先推动推动件18,使得推动件18可以推动第二弹性件15移动。第二弹性件15移动的过程中,如图17所示,第二弹性件15的第一端可以卡在解锁件17的卡舌171上,进而使得第二弹性件15的第一端离开第一通道108。这个时候,用户可以将导线插入到插线孔101中,当用户将导线插入到锁线腔106的最里面时,可以推动解锁件17,解锁件17朝远离插线孔101的方向移动。而解锁件17朝远离插线孔101的方向移动的过程中,第二弹性件15的第一端可以与解锁件17上的卡舌171脱离,第二弹性件15的第一端会朝靠近第一通道108的方向移动,而此时,导线位于第一通道108中,故第二弹性件15可以紧紧抵触在位于第一通道108中的导线上,使得第二弹性件15与导线紧密贴合。进而实现导线与壳体1中的第一导电体实现良好和稳定的电性连接关系。
又例如,另一种使第二弹性件15离开第一通道108的实现结构可以如下:
如图18所示,解锁件17包括第一支臂172和第二支臂173,第一支臂172和第二支臂173相交的位置处转动安装在锁线腔106中,第一支臂172的第一端位于第一通道108中,第二支臂173背对第一通道108的表面上设置有卡槽(图中未示出);如图19所示,推动件18包括挂钩181和推头182,挂钩181伸出于推头182,如图18所示,挂钩181的钩部面对第一通道108,如图20所示,第二弹性件15上设置有供挂钩181穿过的开口151。如图18所示,推动件18的挂钩181穿过第二弹性件15的开口151,推动件18的推头182推动第二弹性件15朝靠近解锁件17的方向移动时,挂钩181可以卡接在第二支臂173的卡槽中,使推头182持续推动第二弹性件15,进而第二弹性件15的第一端离开第一通道108,也即是,如图18所示,第二弹性件15的第一端悬空在第一通道108的下侧。当插入插线孔101中的导线穿过锁线腔106推动解锁件17的第一支臂172时,解锁件17发生旋转,解锁件17的第二支臂173朝靠近第一通道108的方向移动,挂钩181从第二支臂173的卡槽中脱离,第二弹性件15的第一端朝靠近第一通道108的方向移动,第二弹性件15抵触在位于第一通道108中的导线上与导线紧密贴合。
其中,前一种实现结构中,通过第二弹性件15的第一端扣合在解锁件17上的卡舌171上,实现第二弹性件15的第一端离开第一通道108。而后一种实现结构中,通过推动件18的挂钩181穿过第二弹性件15上的开口151卡在解锁件17的第二支臂173的卡槽中,使得推动件18的推头182保持向第二弹性件15施加推力,使得第二弹性件15的第一端悬空离开第一通道108。
如图18所示,当插线孔101中未插有导线,且推动件18的推头182未推动第二弹性件15时,第二弹性件15的第一端位于第一通道108中。而如果用户打算在插线孔101中插入导线时,可以先推动推动件18,使得推动件18的挂钩181可以穿过第二弹性件15上的开口 151,推动件18的推头182可以推动第二弹性件15移动。第二弹性件15移动的过程中,如图18所示,挂钩181可以卡在解锁件17的第二支臂173的背对第一通道108的卡槽中,使推头182保持向第二弹性件15施加推力的状态,使得第二弹性件15的第一端悬空离开第一通道108。这个时候,用户可以将导线插入到插线孔101中,当用户将导线插入到锁线腔106的最里面时,可以推动解锁件17的第一支臂172,第一支臂172朝远离插线孔101的方向移动。第一支臂172与第二支臂173的相交处转动安装在锁线腔106中,进而,第二支臂173可以朝靠近第一通道108的方向移动,使挂钩181从第二支臂173的背对第一通道108的卡槽中脱离,此时,推头182向第二弹性件15的推力不足以抵抗第二弹性件15的弹力,故第二弹性件15发生回弹复位,进而第二弹性件15的第一端会朝靠近第一通道108的方向移动。而此时,导线位于第一通道108中,故第二弹性件15可以紧紧抵触在位于第一通道108中的导线上,使得第二弹性件15与导线紧密贴合。进而实现导线与壳体1中的第一导电体实现良好和稳定的电性连接关系。
可见,该断路器通过第二弹性件15、解锁件17和推动件18,可以实现插入到插线孔101中的导线与锁线腔106中的第一导电体实现良好的电性连接关系,提高电路连接的稳定性。
在一种可能的应用中,断路器所在的线路中的负载过多时,或者,负载的功率过大时,都会造成线路中的电流过大而引发危险,相应的,如图1所示,该断路器还可以包括脱扣器12,如图2和图4所示,脱扣器12与动触头4连接,脱扣器12用于在动触头4与静触头5处于闭合状态下,且断路器所在线路中的电流值大于电流值阈值时,控制动触头4与静触头5由合闸状态切换为分闸状态。
其中,脱扣器12是使处于合闸状态的断路器自动切换为分闸状态,自动切换也即是非人为操作按钮2触发的动作。
其中,脱扣器12可以分为热脱扣器、电磁脱扣器、失压脱扣器、分励脱扣器和电子脱扣器等,本实施例可以使用上述脱扣器中的任意一个,下面可以以电磁脱扣器示例简单说明,例如,如图12所示的脱扣器12可以是油阻尼式的电磁脱扣器。
在一种可能的应用中,当断路器所在的线路中的电流值过大时,脱扣器12中的线圈的磁场力增大,使脱扣器12的油杯中的衔铁移动至油杯中的极靴位置处,油杯中位于极靴处的衔铁可以吸引衔铁支腿,使衔铁支腿推动脱扣器12的脱口机构,脱口机构可以释放与之相连的动触头4,动触头4就可以在分闸弹簧的作用下与静触头5分闸,断路器由合闸状态切换为分闸状态,断路器所在的线路由闭合状态切换为断开状态,进而对线路起到保护作用。
在一个示例中,断路器可能还需要与其它设备相安装,断路器可以通过锁止机构与其它设备相安装。例如,如图1并参考图2和图4所示,断路器还可以包括弹块16,如图1所示,壳体1上设置有与弹块16相适配的开口104,弹块16的一端设置有条形柱161,弹块16上设置有条形通孔162,条形柱161和条形通孔162的条形方向一致,均是伸向开口104的方向,壳体1中对应开口104的位置处设置有安装座105,安装座105上设置有与条形柱161相适配的安装孔。这样,弹块16的条形柱161上可以套设螺旋弹簧,穿过开口104安装在壳体1中的安装座105的安装孔中,如图2所示,壳体1上设置有条形柱,该条形柱可以穿过条形通孔162对弹块16进行限位,阻挡弹块16完全缩入壳体1中。其中,如图2所示,壳 体1上的条形柱可以是扭臂轴103,该扭臂轴103是用于支撑扭簧(即第一弹性件7)的第二扭臂的结构。这样,弹块16安装在壳体1的开口104中,且弹块16相对于壳体1的移动的行程为条形通孔162的长度,如图2和图4所示,弹块16的凸出于壳体1的部分用于与其它设备进行锁止。
基于上述结构所述,可以参考图1、图2和图4所示,该断路器的按钮2转动安装在壳体1中,按钮2的支臂201通过连杆机构3与动触头4转动连接,动触头4安装在壳体1中与用于接线的第一导电体电性连接,静触头5安装在壳体1中与用于接线的第二导电体电性连接。按钮2作为供用户操作的结构,用户按动按钮2时,使按钮2的支臂201可以相对于按钮2与壳体1的转动连接处发生旋转,支臂201相对于转动连接处按照第一旋转方向旋转时,动触头4与静触头5相合闸,使断路器处于分闸状态。支臂201相对于转动连接处按照第二旋转方向旋转时,动触头4与静触头5分闸,使断路器处于合闸状态。
该断路器的壳体1上对应于第一导电体的位置处设置有插线孔101,插线孔101与第一导电体之间设置有滑槽,断路器的安全门6插入于滑槽中,并且可以在滑槽中滑行。安全门6的横板601悬挂在支臂201上,安全门6的竖板602插入于滑槽中。横板601上安装有第一弹性件7,第一弹性件7对横板601的弹力方向与支臂201对横板601的支撑力方向相反,例如,第一弹性件7对横板601的弹力方向朝向靠近滑槽的槽底,支臂201对横板601的支撑力方向朝向远离滑槽的槽底。
其中,支臂201相对于转接处按照第一旋转方向(如顺时针方向)旋转时,支臂201向靠近滑槽的槽底的方向移动,动触头4与静触头5合闸。支臂201相对于转接处按照第二旋转方向(如逆时针方向)旋转时,支臂201向远离滑槽的槽底的方向移动,动触头4与静触头5分闸。
这样,当支臂201相对于转接处按照第一旋转方向(如顺时针方向)旋转时,由于支臂201向靠近滑槽的槽底的方向移动,而支臂201对横板601的支撑力方向是朝向远离滑槽的槽底,这两个方向相反,故支臂201有脱离支臂201的趋势。
支臂201相对于转接处按照第一旋转方向(如顺时针方向)旋转,如果插线孔101中未插有导线,那么,滑槽中没有导线的阻挡,而支臂201有脱离支臂201的趋势,第一弹性件7对横板601的弹力方向朝向靠近滑槽的槽底。故第一弹性件7推着安全门6的横板601在滑槽中朝向槽底的方向滑动,直至安全门6对插线孔101进行遮挡。进而,插线孔101中未插有导线,且动触头4与静触头5处于合闸状态下,安全门6可以将插线孔101遮挡住,避免该状态下,插入插线孔101中的导线与第一导电体相接触。
支臂201相对于转接处按照第一旋转方向(如顺时针方向)旋转,如果插线孔101中插有导线,由于滑槽中有导线的阻挡,而且第一弹性件7的弹力较小,故支臂201与横板601脱离,横板601悬空在支臂201的上方。
而支臂201相对于转接处按照第二旋转方向(如逆时针方向)旋转,动触头4与静触头5相分闸。其中,第二旋转方向与第一旋转方向相反,例如,第一旋转方向如果为顺时针方向,则第二旋转方向为逆时针方向。支臂201按照第一旋转方向旋转时,支臂201向靠近滑槽的槽底方向移动,那么,支臂201按照第二旋转方向旋转时,则支臂201向远离滑槽的槽底方向移动,而支臂201对横板601的支撑力方向为朝向远离滑槽的槽底,这两个方向一致。 故支臂201按照第二旋转方向(如逆时针方向)旋转时,可以带着横板601一起朝向远离滑槽的槽底的方向移动。由于此时动触头4与静触头5处于相分闸的状态,断路器处于分闸状态,为安全状态。在该状态下,如果插线孔101中未插有导线,那么用户可以进行插线工作。而如果插线孔101中插有导线,那么用户可以进行拆线工作。
在实施中,该断路器处于分闸状态下,用户进行插线工作时,可以参考图16、图17和图18所示,需要首先将位于第一通道108中的第二弹性件15的第一端移开,相应的,用户通过推动件18推动第二弹性件15,使第二弹性件15的第一端移开第一通道108,用户将导线插入到插线孔101中。当导线插到最里面时,导线推动解锁件17,解锁件17使第二弹性件15发生复位,而此时第一通道108中具有导线,使第二弹性件15与导线紧密贴合。进而实现导线与壳体1中的第一导电体实现良好和稳定的电性连接关系。
由于断路器由合闸状态切换为分闸状态时,动触头4与静触头5之间的电压差会将两者之间的空气击穿而产生电弧。为了熄灭电弧,相应的,该断路器还包括灭弧珊片9。为了将电弧产生的高温高压气体排出壳体1,相应的,壳体1上对应灭弧珊片9的位置处设置有排气口,使高温高压气体可以排出壳体1。为了避免电弧飞溅到壳体1中的其它位置处,相应的,壳体1中在灭弧栅片9的前方安装有电弧阻挡板10,飞溅到电弧阻挡板10处的电弧可以被电弧阻挡板10折回到灭弧栅片9处,经由灭弧栅片9熄灭,进而对断路器内部的部件起到保护作用,延长断路器的使用寿命。
为了避免电弧中的带电颗粒排出壳体1,而影响其它设备,相应的,壳体1中在灭弧栅片9与排气口之间的位置处安装有过滤部件11,过滤部件11可以对通过排气口的气体进行过滤,以避免气体中带电颗粒排出壳体1。
其中,过滤部件11可以包括相对折的第一过滤板111和第二过滤板112,第一过滤板111上的网孔与第二过滤板112上的网孔相互错开。
这样,第一过滤板111和第二过滤板112可以对通过排气口的气体进行双重过滤,大大减少气体中带电颗粒的排出。
该断路器还包括脱扣器12,例如,可以是油阻尼式的电磁脱扣器,该脱扣器12可以在动触头4与静触头5处于闭合状态下,且断路器所在线路中的电流值大于电流值阈值时,控制动触头4与静触头5由合闸状态自动切换为分闸状态,对电路形成保护,以避免大电流引发的危险。
在本申请实施例中,该断路器中对应插线孔的位置处安装有安全门,安全门在按钮与第一弹性件的配合下,可以在壳体中的滑槽中朝靠近滑槽槽底的方向滑行,也可以在滑槽中朝远离滑槽槽底的方向滑行。当插线孔中未插有导线,且动触头与静触头处于合闸状态时,安全门对插线孔进行遮挡,第一导电体通过安全门与壳体的外部隔离。可见,该断路器在接线工作中,如果插线孔中未插有导线,且该断路器处于合闸状态,则安全门就会在滑槽中滑向槽底,对插线孔进行遮挡。由于安全门位于滑槽中,滑槽的槽壁对安全门起到限位作用,即使用户将导线插入插线孔中,导线也不会推开位于滑槽中的安全门与第一导电体相接触,故该断路器可以避免用户在合闸状态将导线误插入插线孔中,进而可以提高该断路器的安全性。
本申请实施例还提供了一种配电盒,该配电盒用于实现电路的部署分配,可以应用在无线大功率5G(第五代移动通信技术,简称5G)基站的配电系统中,还可以应用在家庭电路 的配电系统中,本实施例对该配电盒所应用的领域不做限定,可以应用于任意领域的线路连接中。
如图21和图22所示,是一种配电盒的结构示意图,配电盒100可以包括连接器110和多个上述所述的断路器120,其中,连接器110作为中间过渡连接件分别与多个断路器120电性连接,这多个断路器120相并联,连接器110用于使每个断路器120接入电源端。
其中,电源端可以是市电,也可以是发电机,还可以是蓄电池等。
其中,配电盒100可以是DCDU(direction current distribution unit电源分配单元),DCDU也可以称为直流电源分配单元,如图21所示为DCDU的结构示意图。
例如,在基站的配电系统中,市电引入后经过整流模块,分配一路直流电源至DCDU,然后经DCDU分配几路直流供基站主设备使用,也即是,一路直流进入DCDU,经过DCDU分成多路(不同安数)的支路电出去,给各个基站主设备供电。
其中,配电盒也可以是PDU(power distribution unit,电源分配单元),PDU也即是,机柜用电源分配插座,如图22所示为PDU的结构示意图。
在实施中,PDU是为机柜式安装的电气设备提供电力分配而设计的产品,拥有不同的功能、安装方式和不同插位组合的多种系列规格,能为不同的电源环境提供适合的机架式电源分配解决方案。
其中,连接器110也可以称为输入连接器,连接器110的输入端与电源端电性连接,连接器110的输出端分别与多个断路器120电性连接。
在实施中,断路器120可以将进入配电盒100的一路电分为多路电,每一个断路器可以与一个负载设备相连,也可以与多个负载设备相连。例如,在家庭用电中,一个断路器可以与空调相连,另一个断路器可以与冰箱相连,另一个断路器可以与照明设备相连等。一个负载设备或多个负载设备使用一个断路器,可以保护电路,这样即使一路出现故障,其他路电路上的负载设备还可以继续工作。
该配电盒的断路器如上述所述,内部对应插线孔的位置处安装有安全门,安全门在按钮与第一弹性件的配合下,可以在壳体中的滑槽中朝靠近滑槽槽底的方向滑行,也可以在滑槽中朝远离滑槽槽底的方向滑行。当插线孔中未插有导线,且动触头与静触头处于合闸状态时,安全门对插线孔进行遮挡,第一导电体通过安全门与壳体的外部隔离。可见,该断路器在接线工作中,如果插线孔中未插有导线,且该断路器处于合闸状态,则安全门就会在滑槽中滑向槽底,对插线孔进行遮挡。由于安全门位于滑槽中,滑槽的槽壁对安全门起到限位作用,即使用户将导线插入插线孔中,导线也不会推开位于滑槽中的安全门与第一导电体相接触,故该断路器可以避免用户在合闸状态将导线误插入插线孔中,进而可以提高该断路器的安全性。
以上所述仅为本申请一个实施例,并不用以限制本申请,凡在本申请的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本申请的保护范围之内。

Claims (15)

  1. 一种断路器,其特征在于,所述断路器包括壳体(1)、按钮(2)、连杆机构(3)、动触头(4)、静触头(5)、安全门(6)、用于接线的第一导电体和用于接线的第二导电体,其中:
    所述第一导电体安装在所述壳体(1)中,所述壳体(1)上对应所述第一导电体的位置处设置有插线孔(101),所述壳体(1)中在所述插线孔(101)与所述第一导电体之间设置有与所述安全门(6)相适配的滑槽,所述滑槽与插线孔(101)相连通;
    所述按钮(2)安装在所述壳体(1)中,所述按钮(2)的支臂(201)通过所述连杆机构(3)与所述动触头(4)相连,所述动触头(4)与所述第一导电体电性连接,所述静触头(5)与所述第二导电体电性连接,所述按钮(2)通过所述连杆机构(3)操控所述动触头(4)与所述静触头(5)在分闸状态与合闸状态之间切换;
    所述安全门(6)插入于所述滑槽中,所述安全门(6)上安装有第一弹性件(7),所述安全门(6)通过所述按钮(2)的支臂(201)和所述第一弹性件(7)在所述滑槽中滑行,使所述插线孔(101)中未插有导线,且所述动触头(4)与所述静触头(5)处于合闸状态时,所述插线孔(101)被所述安全门(6)遮挡,所述第一导电体通过所述安全门(6)与所述壳体(1)的外部隔离。
  2. 根据权利要求1所述的断路器,其特征在于,所述安全门(6)悬挂在所述按钮(2)的支臂(201)上,所述支臂(201)可带动所述安全门(6)在所述滑槽中朝远离槽底的方向滑行,所述第一弹性件(7)对所述安全门(6)的弹力朝向所述滑槽的槽底,所述第一弹性件(7)可带动所述安全门(6)在所述滑槽中朝靠近槽底的方向滑行;
    所述支臂(201)相对于所述按钮(2)与所述壳体(1)之间的转接处按照第一旋转方向旋转时,所述支臂(201)向靠近所述滑槽的槽底的方向移动,所述动触头(4)与所述静触头(5)合闸。
  3. 根据权利要求2所述的断路器,其特征在于,
    所述插线孔(101)中未插有导线,且所述动触头(4)与所述静触头(5)处于合闸状态时,所述安全门(6)在所述第一弹性件(7)的弹力下向靠近所述滑槽的槽底方向滑行;
    所述插线孔(101)中插有导线时,所述按钮(2)可通过所述连杆机构(3)操控所述动触头(4)与所述静触头(5)在分闸状态与合闸状态之间任意切换。
  4. 根据权利要求2或3所述的断路器,其特征在于,所述安全门(6)包括横板(601)和竖板(602),所述横板(601)的第一表面悬挂在所述按钮(2)的支臂(201)上,所述第一弹性件(7)安装在所述横板(601)上,所述竖板(602)插入于所述滑槽中。
  5. 根据权利要求4所述的断路器,其特征在于,所述第一弹性件(7)为扭簧,所述壳体(1)上设置有用于安装所述扭簧的扭簧轴(102)和用于支撑扭簧臂的扭臂轴(103),所述 扭簧套在所述扭簧轴(102)上;
    所述横板(601)的第二表面上设置有凹槽(603),所述扭簧的第一扭臂位于所述凹槽(603)中,所述扭簧的第二扭臂支撑在所述扭臂轴(103)上。
  6. 根据权利要求1至5任一所述的断路器,其特征在于,所述安全门(6)的高度大于所述插线孔(101)的直径,所述插线孔(101)中未插有导线,且所述动触头(4)与所述静触头(5)处于合闸状态时,所述插线孔(101)被所述安全门(6)完全遮挡。
  7. 根据权利要求1至6任一所述的断路器,其特征在于,所述断路器还包括按钮帽(8),所述按钮帽(8)罩在所述按钮(2)上,所述按钮帽(8)转动安装在所述壳体(1)上。
  8. 根据权利要求7所述的断路器,其特征在于,所述按钮帽(8)的第一侧转动安装在所述壳体(1)上,所述按钮帽(8)的与所述第一侧相对的第二侧扣合在所述壳体(1)上,所述按钮帽(8)上设置有操作扣(801)。
  9. 根据权利要求1至8任一所述的断路器,其特征在于,所述壳体(1)中对应所述动触头(4)的位置处安装有灭弧栅片(9),所述壳体(1)上对应所述灭弧栅片(9)的位置处设置有排气口,所述壳体(1)中对应所述灭弧栅片(9)与所述动触头(4)的位置处安装有电弧阻挡板(10)。
  10. 根据权利要求9所述的断路器,其特征在于,所述壳体(1)中在所述灭弧栅片(9)与所述排气口之间的位置处安装有过滤部件(11),所述过滤部件(11)用于过滤电弧中的带电颗粒。
  11. 根据权利要求10所述的断路器,其特征在于,所述过滤部件(11)包括相对折的第一过滤板(111)和第二过滤板(112),所述第一过滤板(111)上的网孔与所述第二过滤板(112)上的网孔相互错开。
  12. 根据权利要求1至11任一所述的断路器,其特征在于,所述断路器还包括第二弹性件(15)、解锁件(17)和推动件(18),其中:
    所述壳体(1)中设置有与所述插线孔(101)连通的锁线腔(106),所述滑槽位于所述插线孔(101)与所述锁线腔(106)之间,所述第二弹性件(15)位于所述解锁件(17)中且靠近所述插线孔(101),所述解锁件(17)位于所述锁线腔(106)中且远离所述插线孔(101),所述解锁件(17)的第一端位于所述插线孔(101)与所述锁线腔(106)之间的第一通道(108)中;
    所述壳体(1)上设置有与所述锁线腔(106)连通的安装口(107),所述推动件(18)安装在所述安装口(107)中,所述推动件(18)可在位于所述安装口(107)与所述锁线腔(106)之间的第二通道中滑行;
    所述推动件(18)未推动所述第二弹性件(15)朝靠近所述解锁件(17)的方向移动时, 所述第二弹性件(15)的第一端位于所述第一通道(108)中,所述推动件(18)推动所述第二弹性件(15)朝靠近所述解锁件(17)的方向移动时,所述第二弹性件(15)的第一端离开所述第一通道(108);
    当插入所述插线孔(101)中的导线穿过所述锁线腔(106)推动所述解锁件(17)时,所述解锁件(17)使所述第二弹性件(15)的第一端朝靠近所述第一通道(108)的方向移动,所述第二弹性件(15)抵触在位于所述第一通道(108)中的导线上与所述导线紧密贴合。
  13. 根据权利要求12所述的断路器,其特征在于,所述解锁件(17)的第二端固定在所述第二弹性件(15)的第二端上,所述解锁件(17)面对所述第二弹性件(15)的表面上设置有卡舌(171);
    所述推动件(18)推动所述第二弹性件(15)朝靠近所述解锁件(17)的方向移动时,所述第二弹性件(15)的第一端通过悬挂在所述卡舌(171)上离开所述第一通道(108);
    当插入所述插线孔(101)中的导线穿过所述锁线腔(106)推动所述解锁件(17)时,所述解锁件(17)朝远离所述第二弹性件(15)的方向移动,所述第二弹性件(15)的第一端脱离所述卡舌(171)并朝靠近所述第一通道(108)的方向移动,所述第二弹性件(15)抵触在位于所述第一通道(108)中的导线上与所述导线紧密贴合。
  14. 根据权利要求12所述的断路器,其特征在于,所述解锁件(17)包括第一支臂(172)和第二支臂(173),所述第一支臂(172)和所述第二支臂(173)相交的位置处转动安装在所述锁线腔(106)中,所述第一支臂(172)的第一端位于所述第一通道(108)中,所述第二支臂(173)背对所述第一通道(108)的表面上设置有卡槽;
    所述推动件(18)包括挂钩(181)和推头(182),所述挂钩(181)伸出于所述推头(182),所述挂钩(181)的钩部面对所述第一通道(108),所述第二弹性件(15)上设置有供所述挂钩(181)穿过的开口(151);
    所述推动件(18)的挂钩(181)穿过所述第二弹性件(15)的开口(151),所述推动件(18)的推头(182)推动所述第二弹性件(15)朝靠近所述解锁件(17)的方向移动时,所述挂钩(181)卡接在所述第二支臂(173)的卡槽中,所述推头(182)推动所述第二弹性件(15),使所述第二弹性件(15)的第一端离开所述第一通道(108);
    当插入所述插线孔(101)中的导线穿过所述锁线腔(106)推动所述解锁件(17)的第一支臂(172)时,所述解锁件(17)发生旋转,所述解锁件(17)的第二支臂(173)朝靠近所述第一通道(108)的方向移动,所述挂钩(181)从所述第二支臂(173)的卡槽中脱离,所述第二弹性件(15)的第一端朝靠近所述第一通道(108)的方向移动,所述第二弹性件(15)抵触在位于所述第一通道(108)中的导线上与所述导线紧密贴合。
  15. 一种配电盒,其特征在于,所述配电盒包括连接器和多个如权利要求1至14任一项所述的断路器,多个断路器分别与所述连接器电性连接,且所述多个所述断路器相并联,所述连接器用于使每个断路器接入电源端。
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CN113721059A (zh) * 2021-08-30 2021-11-30 浙江本力机械科技有限公司 一种电表箱
CN113721059B (zh) * 2021-08-30 2024-04-12 浙江本力机械科技有限公司 一种电表箱
CN114023590A (zh) * 2021-10-28 2022-02-08 新风光电子科技股份有限公司 一种隔离开关闭锁装置
CN114023590B (zh) * 2021-10-28 2023-07-07 新风光电子科技股份有限公司 一种隔离开关闭锁装置

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