CN104795287A - Breaker with elastic energy-storing module - Google Patents
Breaker with elastic energy-storing module Download PDFInfo
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- CN104795287A CN104795287A CN201510215079.4A CN201510215079A CN104795287A CN 104795287 A CN104795287 A CN 104795287A CN 201510215079 A CN201510215079 A CN 201510215079A CN 104795287 A CN104795287 A CN 104795287A
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- plate
- transmission mechanism
- driving
- energy storage
- elastic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
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- Mechanisms For Operating Contacts (AREA)
- Breakers (AREA)
Abstract
The invention provides a breaker with an elastic energy-storing module. The breaker comprises a case, a contact system arranged in the case, and a transmission mechanism controlling the contact system. An elastic energy-storing module is arranged on the transmission mechanism, the elastic energy-storing module releases elastic potential energy to close the contact system quickly when the transmission mechanism rotates in the forward direction. The closing speed of the breaker is irrelative to the actuating speed of the motor, under the action of the elastic energy-storing module, the contact system has high closure speed and good switch-on performance, and thereby the breaker is highly reliable and reasonable.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus.Specifically a kind of circuit breaker.
Background technology
Miniature circuit breaker is also known as miniature circuit breaker, and be applicable to exchange 50-60Hz rated voltage 230-400V, the overload of rated current to 63A circuit and the use of short-circuit protection, also can under normal circumstances as the use of the infrequently operation transformation of circuit.Be mainly used in the various places such as industry, business, high level and residential houses.
According to the requirement of national grid, in the circuit of pre-paying kilowatt-hour meter, intelligent breaker need be installed in the lower end of ammeter.Intelligent breaker is on the basis of possessing normal circuit breaker function, and when need work as electric supply meter arrearage, intelligent breaker can open-circuit line automatically, only has after user continues to pay dues, and intelligent breaker can automatic reclosing, and closed circuit, powers.
In prior art, China's application number is the reclosing device of a kind of circuit breaker of 201420506972.3 utility application, include housing, be arranged at the clockwise and anticlockwise motor in housing, main shaft, and the driving handle for driving the handle of circuit breaker to link, main shaft rotates and is provided with driver blade and driving member, clockwise and anticlockwise motor and driver blade drive to connect and coordinate, driving member being provided with main shaft is the travelling gear of center of rotation, driving handle is provided with the handle gear with travelling gear engaged transmission, the outer surface of the corresponding driving member of driver blade is provided with deep-slotted chip breaker, the center of circle of this deep-slotted chip breaker is positioned on the center line of main shaft, and the counter clockwise direction marginal end of this deep-slotted chip breaker is provided with opening on driver blade, on driving member, joint rotation is provided with universal driving shaft, driver blade and driving member link in the counterclockwise direction, the mutual fit structure freely of clockwise direction.
The circuit breaker that technique scheme provides, in making process, the moving contact of breaker that can cause because of the unexpected power-off of circuit stops at centre position.When moving contact rests on centre position, electric clearance between dynamic and static contact may much smaller than the most large opening of contact, and when circuit is powered again, the dynamic and static contact of circuit breaker exists the risk punctured, there is the possibility connected in circuit breaker, brings potential safety hazard into and out of line end.
Summary of the invention
The invention provides a kind of circuit breaker with elastic energy storage assembly, to solve in prior art because power failure moving contact stops the problem of the potential safety hazard that centre position causes.
For solving the problems of the technologies described above, of the present inventionly provide a kind of circuit breaker with elastic energy storage assembly, comprise housing and be arranged at the contact system in described housing, control the transmission mechanism of described contact system, described transmission mechanism is provided with elastic energy storage assembly, described elastic energy storage assembly discharges elastic potential energy when described transmission mechanism rotates forward, and makes described contact system rapid closing.
Optionally, described transmission mechanism comprises the driving driving member rotated around the axis, described elastic energy storage assembly comprises the elastic component be arranged between described driving driving member and described housing, described driving driving member is in the process of rotating forward, the elastic force of described elastic component is driven to increase until maximum gradually, described elastic component is behind the position of elastic force maximum, and the elastic force of described elastic component drives described driving driving member quick rotation.
Optionally, described driving driving member comprises extended surface perpendicular to described first axle and the first plate of interval setpoint distance and the second plate, and is arranged at described first plate with described second panel edges position, for being connected the first syndeton of described first plate and described second plate; Described elastic component to be articulated between described first plate and described second plate and on the connecting axle of described first syndeton position.
Optionally, described driving driving member comprises extended surface perpendicular to described first axle and the first plate of interval setpoint distance, the second plate and the 3rd plate, the both ends of the surface that described second plate is relative are connected with described 3rd plate with described first plate with the second syndeton respectively by the first syndeton, and described first syndeton arranges the edge with described second plate with the relative described first axle of described second syndeton; Described elastic component is two, be articulated between described first plate and described second plate and close described first syndeton position respectively, and between described second plate and described 3rd plate and on the connecting axle of described second syndeton, the pivotal axis contact line of described two described elastic components is by the spindle central of described driving driving member.
Optionally, also comprise the motor and driving handle that drive described transmission mechanism, and tripping mechanism; Described tripping mechanism comprises trip shaft and triggers the STATEMENT OF FEDERALLY SPONSORED of described trip shaft, described STATEMENT OF FEDERALLY SPONSORED is triggered by described transmission mechanism, described motor rotates forward and/or the rotating forward of described driving handle drives described transmission mechanism to realize described contact system combined floodgate, transmission mechanism reversion set angle described in described motor driven, make described transmission mechanism trigger described STATEMENT OF FEDERALLY SPONSORED, described tripping mechanism action realizes separating brake.
Optionally, it is characterized in that: described STATEMENT OF FEDERALLY SPONSORED comprises STATEMENT OF FEDERALLY SPONSORED body, described STATEMENT OF FEDERALLY SPONSORED body is arranged on described housing rotationally, and one end of this STATEMENT OF FEDERALLY SPONSORED body is provided with the auxiliary section coordinated with described transmission mechanism, and the other end is provided with the pressure section coordinated with described trip shaft.
Optionally, described transmission mechanism is provided with the triggering projection for coordinating with described auxiliary section.
Optionally, described STATEMENT OF FEDERALLY SPONSORED also comprises Flexible Reset portion, and described Flexible Reset portion coordinates with the position limiting structure be arranged on described housing, when not by described transmission mechanism effect, by elastic force, described STATEMENT OF FEDERALLY SPONSORED is swayed away from described trip shaft.
Optionally, be provided with unidirectional drive structure between described driving handle and described transmission mechanism, described unidirectional drive structure is suitable for when described driving handle rotates forward, described transmission mechanism synchronous axial system with it; When rotating backward, described driving handle cannot drive described drive system.
Optionally, described unidirectional drive structure is be arranged to drive between driving member and slave drive part second protruding and the second groove, and described driving driving member and described slave drive part rotate around same axis; Described driving driving member sways under the driving of described motor, described slave drive part and described driving handle secure fit, and the radian of described second groove is greater than the maximum rotation angle of described driving handle.
Technique scheme of the present invention has the following advantages compared to existing technology:
1, a kind of circuit breaker with elastic energy storage assembly provided by the invention, it adopts elastic energy storage assembly, and elastic energy storage assembly discharges elastic potential energy when described transmission mechanism rotates forward, and makes described contact system rapid closing.The actuating speed of the closing speed and motor with the contact of breaker of elastic energy storage assembly has nothing to do, and contact system, under the effect of elastic energy storage assembly, has larger closing speed and good connection performance, therefore has higher reliability and reasonability.
2, a kind of circuit breaker with elastic energy storage assembly provided by the invention, after electric supply meter arrearage, motor reverses and makes reclosing device trigger tripping mechanism, and motor stalls, makes contact system to close a floodgate; After only having electric machine rotation to depart from the position of triggering tripping mechanism, the circuit breaker with elastic energy storage assembly just can normally close a floodgate.Therefore, user is continuous pay tariff before, even if people closes a floodgate for pulling handle, because tripping mechanism is in trigger state, handle can automatically reset to open position, and user cannot power taking voluntarily.
Accompanying drawing explanation
In order to make content of the present invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the structural representation of a kind of circuit breaker embodiment provided by the invention;
Fig. 2 is the structural representation of driven gear;
Fig. 3 is driven gear and drives driving member to coordinate schematic diagram;
Fig. 4 is the structural representation of elastic energy storage assembly;
Fig. 5 drives driving member towards the structural representation of driven gear end face;
Fig. 6 drives driving member towards the structural representation of slave drive part end face;
Fig. 7 is the structural representation of slave drive part;
Fig. 8 is the structural representation of STATEMENT OF FEDERALLY SPONSORED;
Fig. 9 is the another kind of execution mode of STATEMENT OF FEDERALLY SPONSORED;
Figure 10 is Fig. 9 STATEMENT OF FEDERALLY SPONSORED installment state figure;
Figure 11 is the structural representation of a kind of travel switch mechanism provided by the invention;
Figure 12 is the structural representation of the first structure in Figure 11;
Figure 13 is the structural representation of the second structure in Figure 11.
In figure, Reference numeral is expressed as: 1-housing, 2-STATEMENT OF FEDERALLY SPONSORED, 3-driven gear, 4-drive driving member, 5-slave drive part, 6-driving handle, 7-motor, 8-trip shaft;
31-gear teeth, 32-trigger protruding, 33-first groove;
21-auxiliary section, 22-STATEMENT OF FEDERALLY SPONSORED body, 23-pressure section, 24-elasticity support arm, 25-hinge axis hole, 26-spacing preiection, 27-arc mating surface, 28-transition cambered surface;
41-spring, 42-first plate, 43-second plate, 44-first syndeton, 45-the 3rd plate, 46-second syndeton, 47-first are protruding, 48-second is protruding;
51-second groove, 52-positioning convex, 53-power transmission shaft;
9-first structure, 10-second structure, 91-first fixed part, 92-first connecting portion, 93-service portion, 94-second connecting portion, 95-first auxiliary section, 96-wire interconnecting piece;
101-second fixed part, 102-second auxiliary section.
Embodiment
Fig. 1 to Figure 13 shows a kind of embodiment with the circuit breaker (abbreviation circuit breaker) of elastic energy storage assembly provided by the invention.
The contact system that described circuit breaker comprises housing 1 and is arranged in described housing 1, controls the transmission mechanism of described contact system, and tripping mechanism, also comprises the motor 7 and driving handle 6 that drive described transmission mechanism.
Described housing 1 provides installation site or/and mounting structure for other parts in this circuit breaker, and plays a protective role to the parts being arranged at its inside.Described housing 1 makes respective design according to the setting of inner components, usually shaping by ambroin, has good insulating properties and high-temperature stability.Herein the shape facility of housing 1 is not described specifically.
As can be seen from Figure 1, described transmission mechanism comprises the driving driving member 4 and slave drive part 5 that rotate around same axis, and this axis becomes first axle.Described slave drive part 5 is by being connected with described contact system (not shown) with the power transmission shaft 53 that this slave drive part 5 is fixedly linked, and contact system described in described slave drive part 5 rotating drive closes a floodgate or separating brake.Please refer to Fig. 7, this slave drive part 5 is circular pan-like structure, the second groove 51 that it to offer with described first axle position be the center of circle, setting radian.Described second groove 51 can select communicating structure or non-through structure according to actual conditions.Please refer to Fig. 6, described driving driving member 4 is provided with the second projection 48 coordinated with described second groove 51 on the end face of described slave drive part 5, being connected by second protruding 48 and second groove 51 that cooperatively interacts between described driving driving member 4 with described slave drive part 5.
Described second groove 51 radian is at least the maximum rotation angle under the operating state of described driving driving member 4, usually arranges it and is greater than π.According to the architectural feature of described second groove 51 and described second projection 48, described driving driven member 4 drives described slave drive part 5 in single rotation direction only, described second groove 51 and the described second protruding 48 composition unidirectional drive structures.
Described driving handle 6 is fixedly installed in described power transmission shaft 53, and described power transmission shaft 53 and fixed form between described driving handle 6 and described slave drive part 5 can be and be arbitraryly well known to those skilled in the artly fixedly connected with mode.In the present embodiment, please refer to Fig. 1, conveniently dismounting, simplify syndeton, described power transmission shaft 53 cross section is leg-of-mutton Axis Tripod, and this Axis Tripod is fixedly installed driving handle 6.Correspondingly, the described corresponding side of slave drive part 5 is provided with the triangle axis hole coordinated with this Axis Tripod, and the axis of this triangle axis hole is described first axle.
Described slave drive part 5 is provided with the positioning convex 52 radially extended from described first axle.Spacing during for installing.
Be provided with gear drive between described driving driving member 4 and described motor 7, this gear drive comprises the driven wheel be fixedly connected with described motor 7, coordinates and drive the driven gear 3 that described driving driving member 4 rotates with described driven wheel.Described driven gear 3 is rotatably arranged at described housing 1 by the shaft-like projection that axis is first axle, and under the restriction of described housing 1, described driven gear 3 gear rotates around first axle under described motor 7 drives.
The setting of described motor 7 can drive described driven gear 3 to rotate around first axle, the type selecting of motor 7, mounting means, and realizes by mode well known to those skilled in the art with the connected mode of described driven wheel.
In the present embodiment, in order to space in Appropriate application housing 1, reduce circuit breaker volume, described motor 7 bearing of trend is arranged perpendicular to described first axle, and its agent structure is fixedly installed in housing 1, and output shaft is perpendicular to described first axle as far as possible.Described output shaft is provided with bevel gear, described driven wheel is provided with the gear teeth 31 coordinated with described bevel gear.
As can be seen from Figure 2, described driven gear 3 is disc-shaped structure, and it offers the first groove 33.Described first groove 33 is with described first axle position for the center of circle, the groove structure of setting radian.Communicating structure or non-through structure can be selected according to actual conditions.The radian of described first groove 33 is greater than the swingable maximum angle of described driving handle 6 usually.In order to ensure the stability driven, the relatively described first axle of described driven gear 3 is provided with two the first grooves 33 in pairs.Not through, known in order to be two the first grooves 33, the radian of single first groove 33 need be not more than π.
Described driven gear 3 also can be arranged to the sector structure with setting radian according to actual conditions.Radian is for having ensured basic work requirement.
Please refer to Fig. 3 and Fig. 4, described transmission mechanism is provided with elastic energy storage assembly, and described elastic energy storage mechanism discharges elastic potential energy when described transmission mechanism rotates forward, and makes described contact system rapid closing.
The elastic component that described elastic energy storage mechanism comprises described driving driving member 4 and is arranged between described driving driving member 4 and described housing 1.
Particularly, described driving driving member 4 comprises extended surface perpendicular to described first axle and the first plate 42, second plate 43 of interval setpoint distance and the 3rd plate 45, the both ends of the surface that described second plate 43 is relative are connected with described 3rd plate 45 with described first plate 42 with the second syndeton 46 respectively by the first syndeton 44, and described first syndeton 44 arranges the edge with described second plate 43 with the relative described first axle of described second syndeton 46; Described elastic component is two, be articulated between described first plate 42 and described second plate 43 and close described first syndeton 44 position respectively, and between described second plate 43 and described 3rd plate 45 and on the connecting axle of described second syndeton 46, the pivotal axis contact line of described two described elastic components is by the spindle central of described driving driving member 4.
As another kind of execution mode, described elastic energy storage assembly only can be provided with a spring 41.Described driving driving member 4 comprises extended surface perpendicular to described first axle and the first plate 42 and the second plate 43 of interval setpoint distance, and is arranged at described first plate 42 with described second plate 43 marginal position, for being connected the first syndeton 44 of described first plate 42 and described second plate 43; Described elastic component to be articulated between described first plate 42 and described second plate 43 and on the connecting axle of described first syndeton 44 position.
Described driving driving member 4, in the process of rotating forward, drives the elastic force of described elastic component to increase until maximum gradually, carries out energy storage.When described elastic component is behind the position of elastic force maximum, carry out the release of elastic potential energy, the elastic force of described elastic component drives described driving driving member 4 quick rotation, makes described contact system rapid closing.
According to foregoing description, the closing speed of contact of breaker and the actuating speed of motor 7 have nothing to do, and contact system, under the effect of elastic energy storage assembly, has larger closing speed and good connection performance, therefore has higher reliability and reasonability.
Please refer to Fig. 5, described driving driving member 4 arranges the first projection 47 coordinated with described first groove 33 on the end face of described driven gear 3.Accordingly, when being provided with two the second grooves 51, described first projection 47 is also provided with two.
In this circuit breaker, described tripping mechanism is included in and can triggers by compressing the trip shaft 8 that this tripping mechanism action realizes separating brake, and triggers the STATEMENT OF FEDERALLY SPONSORED 2 of described trip shaft 8, and wherein said STATEMENT OF FEDERALLY SPONSORED 2 links with transmission mechanism.By arranging above-mentioned tripping mechanism, when after electric supply meter arrearage, motor 7 reverses, the action of described STATEMENT OF FEDERALLY SPONSORED 2 is triggered after driving described transmission mechanism reversion set angle, described tripping mechanism action is made to realize separating brake, now, the power-off of described motor 7, make trip shaft 8 keep trip status, user cannot make this breaker closing by driving handle 6; After only having the rotation of described motor 7 to make described transmission mechanism depart from the position of triggering this tripping mechanism, described circuit breaker just can normally close a floodgate.Therefore, user is continuous pay tariff before, even if people closes a floodgate for pulling handle, because tripping mechanism is in trigger state, driving handle 6 can automatically reset to open position, and user cannot power taking voluntarily.
In present embodiment, as shown in Figure 2, described driven gear 3 is provided with the triggering projection 32 triggering STATEMENT OF FEDERALLY SPONSORED 2 action in described tripping mechanism.In other execution modes, above-mentioned triggering projection 32 can also be arranged on described driving driving member 4.Please refer to Fig. 8, particularly, described STATEMENT OF FEDERALLY SPONSORED 2 comprises STATEMENT OF FEDERALLY SPONSORED body 22, described STATEMENT OF FEDERALLY SPONSORED body 22 is provided with hinge axis hole 25, this hinge axis hole 25 makes described STATEMENT OF FEDERALLY SPONSORED 2 rotatably be arranged at described housing 1 by coordinating with jointed shaft, this STATEMENT OF FEDERALLY SPONSORED body 22 is provided with and the described auxiliary sections 21 of triggering projection 32 and coordinating towards being arranged at the side of triggering protruding 32, and the side towards described trip shaft 8 is provided with the pressure section 23 coordinated with described trip shaft 8.Described pressure section 23 is arranged at the end of this STATEMENT OF FEDERALLY SPONSORED body 22.Described STATEMENT OF FEDERALLY SPONSORED 2 can rotate around the axis; and by compressing STATEMENT OF FEDERALLY SPONSORED 2, to compress the force direction that trip shaft 8 can make to act in trip shaft 8 consistent; certain protective effect is played to tripping mechanism; avoid the problem that trip shaft 8 and tripping mechanism are damaged that the direct contact trip axle 8 of force application structure causes, thus ensure that the reliability of circuit breaker.
The technical program also comprises the return springs of the described STATEMENT OF FEDERALLY SPONSORED 2 that resets, and the elastic force of described return springs makes described STATEMENT OF FEDERALLY SPONSORED 2 pivot away from described trip shaft 8.Particularly, described return springs is be arranged at described STATEMENT OF FEDERALLY SPONSORED body 22 to arrange elasticity support arm 24 on the plate face of described pressure section 23 side, and described housing 1 is provided with the limiting structure limiting described elasticity support arm 24.
In the technical program, described return springs is not limited to elasticity support arm 24 1 kinds of structures, also can be the spring 41 be arranged between described STATEMENT OF FEDERALLY SPONSORED body 22 and described housing 1, or is sheathed on the torsion spring of described jointed shaft.
Please refer to Fig. 8, Fig. 9 and Figure 10, between described housing 1 and described STATEMENT OF FEDERALLY SPONSORED 2, be provided with the position limiting structure limiting described STATEMENT OF FEDERALLY SPONSORED 2 reset position.Described position-limit mechanism comprises the spacing preiection 26 be arranged in described STATEMENT OF FEDERALLY SPONSORED 2, and is arranged on described housing 1 and coordinates with this spacing preiection 26 fit structure limiting described STATEMENT OF FEDERALLY SPONSORED 2 rotational angle.Position limiting structure is set and can avoids STATEMENT OF FEDERALLY SPONSORED 2 in the presence of a tensile force, turn to driven gear 3 zone of action, hinder and rotate, driven gear 3 is damaged.
Be provided with position detecting switch in described housing 1, when described STATEMENT OF FEDERALLY SPONSORED 2 compresses described trip shaft 8, this position detecting switch can be triggered.
As shown in Figure 9, for the invention provides the another kind of execution mode of STATEMENT OF FEDERALLY SPONSORED 2, its difference is: described auxiliary section 21 is bulge-structure, described bulge-structure comprises top and the described arc mating surface 27 triggering the evagination that protruding 32 coordinate, and connects the transition cambered surface 28 of described STATEMENT OF FEDERALLY SPONSORED body 22 and described arc mating surface 27.Design like this can guarantee to trigger protruding 32 because of outside cause cross arc mating surface 27 after still can return smoothly.
As can be seen from Figure 1, in order to detect the turned position of described driven gear 3, in described housing 1, correspondence is provided with and triggers protruding 32 sensitive switches triggered by described.Because microswitch structure is less, its trigger architecture is generally vertical and arranges and the cylindrical structure in sensitive switch main body, triggers the main body of direction perpendicular to sensitive switch.When sensitive switch and protruding 32 gap ratios of triggering are larger, trigger protruding 32 and cannot oppress or oppress the stroke of sensitive switch not, sensitive switch can not reliably closing.When sensitive switch and the protruding gap ratio of shake-up are less, sensitive switch can hinder and trigger protruding 32 with actuator rotation, thus produces damage to sensitive switch.Visible, sensitive switch is set and requires higher to the quality of fit between actuator and sensitive switch; In addition, because the installation cost of manufacture of sensitive switch is higher, and same circuit breaker has multiple position needing position probing usually, therefore makes circuit breaker cost higher.
Therefore, the present invention provides a kind of breaker trip switching mechanism simultaneously, as shown in figure 11, this circuit breaker forms switching mechanism and comprises and the first structure 9 of the first wire conducting and the second structure 10 with the second wire conducting, described first structure 9 keeps setpoint distance gap with described second structure 10 under the effect of elastic force, and described first structure 9 contacts with described second structure 10 can the first wire and described second wire described in conducting.
Please refer to Figure 12, described first structure 9 comprise for hard-wired first fixed part 91, with the service portion 93 of External Force Acting respective outer side edges, the first auxiliary section 95 of coordinating with described second structure 10.Described first fixed part 91 is connected by the first connecting portion 92 with between described service portion 93, and be connected by the second connecting portion 94 between described service portion 93 with described first auxiliary section 95, described service portion 93 is close to described External Force Acting vibrational power flow.Particularly, described first connecting portion 92, described second connecting portion 94 and described service portion 93 form the trapezium structure to described External Force Acting structure side evagination, and described service portion 93 is shorter bottom edge structure.Described first fixed part 91 is also connected with the wire interconnecting piece 96 vertically bent relative to this first fixed part 91.
As alternative embodiment, described first connecting portion 92, described second connecting portion 94 and described service portion 93 form the arc structure to described External Force Acting structure side evagination.
Described first structure 9 is made up of elastomeric material, specifically selects QSn6.5.
Please refer to Figure 13, described second structure 10 comprises for hard-wired second fixed part 101, the second auxiliary section 102 coordinated with described first structure 9.Particularly, described second structure 10 is L-type structure, and described second auxiliary section 102 is long limit structure is the minor face structure being connected described second wire with described second fixed part 101.
As shown in figure 11, described housing 1 is provided with the mounting structure for installing described first structure 9 and described second structure 10.
This its structure of breaker trip switching mechanism is simple, and therefore cost is lower, and because self keeps setpoint distance gap with the second structure 10 in the presence of a tensile force, and the more described auxiliary section of described service portion 93 21 and described fixed part are near described External Force Acting structure.Self adaptability is comparatively strong, less demanding to installation accuracy.In addition, described in it, the first connecting portion 92, described second connecting portion 94 and described service portion 93 form trapezium structure or arc structure, on the basis completing position probing, make the more steady from touching actual trigger process of triggering protruding 32 and travel switch mechanism, even if after service portion 93 is crossed in triggering protruding 32, this service portion 93 can be being got over back smoothly with contrary turning to.
Described first structure 9 and/or described second structure 10 are platy structure bending forming or punch forming.
The course of work of above-mentioned circuit breaker is as follows:
During normal condition, described motor 7 rotates forward and drives described transmission mechanism to realize described contact system to close a floodgate, and after closing a floodgate, motor 7 reverses certain angle, now, unlocks described driving handle 6, and user can according to circumstances divide-shut brake voluntarily; Described motor 7 drives described transmission mechanism reversion set angle (being greater than unlock drive handle motor reverse angle above) to trigger described tripping mechanism action afterwards and realizes separating brake.
When circuit breaker is under "on" position after electric supply meter arrearage, motor 7 triggers STATEMENT OF FEDERALLY SPONSORED 2 action after driving described transmission mechanism reversion set angle, its pressure section 23 is pressed against in described trip shaft 8 and realizes separating brake, now, motor 7 stops operating, keep the trip positions of described trip shaft 8, user cannot make contact system close a floodgate by pulling driving handle 6; After only having motor 7 rotation to make transmission mechanism depart from the position of triggering tripping mechanism, circuit breaker just can normally close a floodgate.Therefore, user is continuous pay tariff before, even if people closes a floodgate for pulling handle, because tripping mechanism is in trigger state, user cannot power taking voluntarily.
Obviously, above-described embodiment is only for clearly example being described, and the restriction not to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And thus the apparent change of extending out or variation be still among the protection range of the invention.
Claims (10)
1. one kind has the circuit breaker of elastic energy storage assembly, it is characterized in that: the contact system comprising housing (1) and be arranged in described housing (1), control the transmission mechanism of described contact system, described transmission mechanism is provided with elastic energy storage assembly, described elastic energy storage assembly discharges elastic potential energy when described transmission mechanism rotates forward, and makes described contact system rapid closing.
2. the circuit breaker with elastic energy storage assembly according to claim 1, it is characterized in that: described transmission mechanism comprises the driving driving member (4) rotated around the axis, described elastic energy storage assembly comprises the elastic component be arranged between described driving driving member (4) and described housing (1), described driving driving member (4) is in the process of rotating forward, the elastic force of described elastic component is driven to increase until maximum gradually, described elastic component is behind the position of elastic force maximum, and the elastic force of described elastic component drives described driving driving member (4) quick rotation.
3. the circuit breaker with elastic energy storage assembly according to claim 2, it is characterized in that: described driving driving member (4) comprises extended surface perpendicular to described first axle and first plate (42) of interval setpoint distance and the second plate (43), and is arranged at described first plate (42) with described second plate (43) marginal position, for being connected first syndeton (44) of described first plate (42) and described second plate (43); Described elastic component to be articulated between described first plate (42) and described second plate (43) and on the connecting axle of described first syndeton (44) position.
4. the circuit breaker with elastic energy storage assembly according to claim 2, it is characterized in that: described driving driving member (4) comprises extended surface perpendicular to described first axle and first plate (42) of interval setpoint distance, second plate (43) and the 3rd plate (45), the relative both ends of the surface of described second plate (43) are connected with described 3rd plate (45) with described first plate (42) with the second syndeton (46) respectively by the first syndeton (44), described first syndeton (44) described first axle relative to described second syndeton (46) arranges the edge with described second plate (43), described elastic component is two, be articulated between described first plate (42) and described second plate (43) and close described first syndeton (44) position respectively, and between described second plate (43) and described 3rd plate (45) and on the connecting axle of described second syndeton (46), the pivotal axis contact line of described two described elastic components is by the spindle central of described driving driving member (4).
5., according to the arbitrary described circuit breaker with elastic energy storage assembly of claim 1-4, it is characterized in that: also comprise the motor (7) and driving handle (6) that drive described transmission mechanism, and tripping mechanism; Described tripping mechanism comprises trip shaft (8) and triggers the STATEMENT OF FEDERALLY SPONSORED (2) of described trip shaft (8), described STATEMENT OF FEDERALLY SPONSORED (2) is triggered by described transmission mechanism, described motor (7) rotates forward and/or described driving handle (6) rotating forward drives described transmission mechanism to realize described contact system combined floodgate, described motor (7) drives described transmission mechanism reversion set angle, make described transmission mechanism trigger described STATEMENT OF FEDERALLY SPONSORED (2), described tripping mechanism action realizes separating brake.
6. the circuit breaker with elastic energy storage assembly according to claim 5, it is characterized in that: it is characterized in that: described STATEMENT OF FEDERALLY SPONSORED (2) comprises STATEMENT OF FEDERALLY SPONSORED body (22), described STATEMENT OF FEDERALLY SPONSORED body (22) is arranged on described housing (1) rotationally, one end of this STATEMENT OF FEDERALLY SPONSORED body (22) is provided with the auxiliary section (21) coordinated with described transmission mechanism, and the other end is provided with the pressure section (23) coordinated with described trip shaft (8).
7. the circuit breaker with elastic energy storage assembly according to claim 6, is characterized in that: described transmission mechanism is provided with the triggering projection (32) for coordinating with described auxiliary section (21).
8. the circuit breaker with elastic energy storage assembly according to claim 5, it is characterized in that: described STATEMENT OF FEDERALLY SPONSORED (2) also comprises Flexible Reset portion (24), described Flexible Reset portion (24) coordinates with the position limiting structure be arranged on described housing (1), when not by described transmission mechanism effect, by elastic force, described STATEMENT OF FEDERALLY SPONSORED (2) is swayed away from described trip shaft (8).
9. the circuit breaker with elastic energy storage assembly according to claim 5, it is characterized in that: between described driving handle (6) and described transmission mechanism, be provided with unidirectional drive structure, described unidirectional drive structure is suitable for when described driving handle (6) rotates forward, described transmission mechanism synchronous axial system with it; When rotating backward, described driving handle (6) cannot drive described drive system.
10. the circuit breaker with elastic energy storage assembly according to claim 9, it is characterized in that: described unidirectional drive structure drives the second projection (48) between driving member (4) with slave drive part (5) and the second groove (51) for being arranged at, and described driving driving member (4) and described slave drive part (5) are rotated around same axis; Described driving driving member (4) is swayed under the driving of described motor (7), described slave drive part (5) and described driving handle (6) secure fit, the radian of described second groove (51) is greater than the maximum rotation angle of described driving handle (6).
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| CN201510215079.4A CN104795287B (en) | 2015-04-30 | 2015-04-30 | A kind of breaker of flexible energy storage component |
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