CN116631818A - Miniature circuit breaker switching module - Google Patents

Abstract

The invention discloses a miniature circuit breaker switching module, comprising: the sampling module comprises a PCB, and a temperature sampling unit and an output standard interface are integrated on the PCB; the current plug-in component is connected with the sampling module, the whole module adopts plug-in design, can be quickly plugged in and out on line for replacement, and the replacement and maintenance do not influence the normal operation of other loops, so that the installation and maintenance time is greatly shortened. The integrated modular design of current, voltage and temperature sampling forms an independent module without any exposed cable, can realize modular prefabricated production, solves the situation of lagging manual production, the production capacity is improved, the cost is reduced, the maintenance is convenient, the online maintenance of vulnerable parts is realized, the acquisition lines are eliminated, all cables are connected in an opposite-plug manner through the PCB, the process is attractive, and the universality is strong.

Description

Miniature circuit breaker switching module

Technical Field

The invention relates to the technical field of intelligent switches, in particular to a miniature circuit breaker switching module.

Background

A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time. The circuit breaker can be used for distributing electric energy, and can automatically cut off the circuit when serious overload or short circuit, undervoltage and other faults occur, and the functions of the circuit breaker are equivalent to the combination of a fuse type switch, an underheating relay and the like. The prior art has complex wiring, difficult control of the process and outstanding potential safety hazard, is inconvenient to replace and maintain, and particularly easily causes the expansion of accidents due to the replacement of vulnerable parts.

Disclosure of Invention

The invention mainly aims to provide a miniature circuit breaker switching module which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:

a miniature circuit breaker transit module comprising:

the sampling module comprises a PCB, and a temperature sampling unit and an output standard interface are integrated on the PCB;

the current plug-in component is connected with the sampling module, the whole module adopts plug-in design, can be quickly plugged in and out on line for replacement, and the replacement and maintenance do not influence the normal operation of other loops, so that the installation and maintenance time is greatly shortened. The integrated modular design of current, voltage and temperature sampling forms an independent module without any exposed cable, can realize modular prefabricated production, solves the situation of lagging manual production, the production capacity is improved, the cost is reduced, the maintenance is convenient, the online maintenance of vulnerable parts is realized, the acquisition lines are eliminated, all cables are connected in an opposite-plug manner through the PCB, the process is attractive, and the universality is strong.

As a preferred implementation mode, the sampling module comprises a first sampling module and a second sampling module, the first sampling module comprises a PCB, a current transformer, a temperature sampling unit and an output standard interface are integrated on the PCB, the second sampling module comprises a PCB, a leakage current sensor, a temperature sampling unit and an output standard interface are integrated on the PCB, the current transformer, the voltage and the temperature are all integrated on a PCB, and meanwhile, a butt joint needle seat, namely a standard socket, is reserved for external output signals, so that an independent sampling module is formed.

As a preferred embodiment, the portable electronic device further comprises a transfer module, the transfer module is provided with a shell, the sampling module and the current plug connector are arranged in the shell, the current plug connector is provided with an extension part, the extension part is exposed out of the shell, and the sampling module is a first sampling module or a second sampling module.

As a preferred implementation mode, the shell comprises an upper cover and a bottom shell, the upper cover is connected with the bottom shell through rivets, a containing cavity is formed after the upper cover is connected with the bottom shell, the current plug connector and the sampling module are arranged in the containing cavity, and the sampling module is a first sampling module or a second sampling module.

As a preferred embodiment, the PCB is provided with an indicator light, and further comprises an indicator light guide post detachably connected to the housing, wherein the indicator light guide post abuts against the indicator light when connected to the housing, and the upper cover and the bottom case are assembled together and riveted by rivets. And the whole module is assembled, the indicator light guide column is provided with a self-locking buckle, and the indicator light guide column is clamped in and locked through the limiting guide groove. The indicator lamp clamping groove is provided with a protective cover, and the indicator lamp is blocked under the condition that the indicator lamp light guide column is not installed.

As a preferred implementation mode, the LED lamp further comprises a protective cover, wherein the protective cover is movably connected with the shell, and the protective cover is arranged at a through hole of the shell corresponding to the light guide column of the indicator lamp.

As a preferred implementation mode, the number of the switching modules is multiple, the switching modules are detachably connected, and switching devices can be combined with each other to realize combined application of 2P, 3P and 4P.

As a preferred embodiment, the switching module further comprises a switch, and the switch is connected with the switching module.

As a preferred embodiment, the current plug further comprises:

the two contact fingers are provided with contacts and extension parts, the inner faces of the extension parts of the two contact fingers are oppositely arranged, and the top ends of the contacts protrude relative to the inner faces of the extension parts;

and the two contact fingers are connected through the springs.

As a preferred implementation manner, a limit hole is formed at one end of the contact finger, which is provided with the contact, two ends of the spring are respectively inserted into the limit holes of the two contact fingers, and the middle part of the spring is arranged at the other end of the contact finger, which is provided with the contact;

the contact finger is provided with a rotary center hole, the rotary center hole is arranged in the middle of the contact finger, and a rotary shaft is inserted into the rotary center hole;

the rotating shaft is a pin, and further comprises two limiting sheets and a clamp spring, wherein the limiting sheets are provided with hole sites for the pin to pass through, the two contact fingers are rotatably connected with the pin through the limiting sheets, the clamp spring and the pin, and the two contact fingers are arranged between the two limiting sheets;

the number of the pins and the clamp springs is three, wherein two pins penetrate through the rotating center holes of the two contact fingers, and one pin is directly connected with the two limiting sheets;

the rear end of the contact finger is provided with a limit joint edge which inclines relative to the length direction of the contact finger, and the limit joint edge extends from the middle part to the tail end of the contact finger and gradually descends in height;

the touch finger also comprises a wire connecting hole, wherein the wire connecting hole is arranged at the tail end of the touch finger;

the flexible wire is connected with the wire connecting hole in a screw or welding mode;

the touch finger is arranged in the plastic shell;

the plastic housing is open at a position corresponding to the extension.

Compared with the prior art, the invention has the following beneficial effects:

the whole module adopts a plug-in design, can be quickly plugged in, plugged out and replaced on line, and the replacement and maintenance do not influence the normal operation of other loops, so that the installation and maintenance time is greatly shortened;

the integrated modular design of current, voltage and temperature sampling forms an independent module without any exposed cable;

the modular prefabricated production can be realized, the situation that manual production falls behind is solved, the productivity is improved, the cost is reduced, the maintenance is convenient, the online maintenance of vulnerable parts is realized, the acquisition lines are eliminated, all cables are connected in an opposite-plug manner through the PCB, and the process is attractive and has strong universality.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a first sampling module of a micro breaker switching module according to the present invention.

Fig. 2 is a schematic structural diagram of a second sampling module of the micro breaker switching module according to the present invention.

Fig. 3 is a schematic structural diagram of a switching module of the micro circuit breaker switching module according to the present invention.

Fig. 4 is a schematic structural diagram of a switching module of the micro circuit breaker switching module according to the present invention.

Fig. 5 is a schematic structural diagram of a current plug of a micro breaker switching module according to the present invention.

Fig. 6 is a schematic structural diagram of a current plug of a micro breaker switching module according to the present invention.

Fig. 7 is a schematic structural diagram of a current plug of a micro breaker switching module according to the present invention.

In the figure: 10. a sampling module; 11. a PCB; 12. a temperature sampling unit; 13. outputting a standard interface; 14. a leakage current sensor; 15. a current transformer; 20. a transfer module; 21. an upper cover; 22. a bottom case; 23. an indicator light guide column; 24. a protective cover; 25. a switch; 30. a current plug; 31. a plastic housing; 32. clamping springs; 33. a contact finger; 34. a contact; 35. an extension; 36. a spring; 37. a limiting hole; 38. a rotation center hole; 39. a pin; 40. a limiting piece; 41. a wire connection hole; 42. limiting and attaching edges; 43. and a flexible wire.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

A miniature circuit breaker transit module as shown in figures 1-7 comprising:

the sampling module 10, the sampling module 10 comprises a PCB11, and a temperature sampling unit 12 and an output standard interface 13 are integrated on the PCB 11;

the current plug-in connector 30, the current plug-in connector 30 with sampling module 10 is connected, and whole module adopts plug-in design, can quick online plug-in change, and change and maintain and not influence other return circuits normal operating, and installation maintenance time shortens greatly. The integrated modular design of current, voltage and temperature sampling forms an independent module without any exposed cable, can realize modular prefabricated production, solves the situation of lagging manual production, the productivity is improved, the cost is reduced, the maintenance is convenient, the online maintenance of vulnerable parts is realized, the acquisition lines are eliminated, all cables are connected in an opposite-plug manner through the PCB11 board, the process is attractive, and the universality is strong.

The sampling module 10 includes a first sampling module 10 and a second sampling module 10, the first sampling module 10 includes a PCB11, a current transformer 15, a temperature sampling unit 12 and an output standard interface 13 are integrated on the PCB11, the second sampling module 10 includes a PCB11, a leakage current sensor 14, a temperature sampling unit 12 and an output standard interface 13 are integrated on the PCB11, the current transformer 15, the voltage and the temperature are all integrated on a PCB11 board, and meanwhile, a butt joint needle seat, namely a standard socket, is reserved for external output signals, so as to form an independent sampling module 10.

The switching module 20 is further included, the switching module 20 has a housing, the sampling module 10 and the current plug connector 30 are disposed in the housing, the current plug connector 30 has an extension portion 35, the extension portion 35 is exposed out of the housing, and the sampling module 10 is a first sampling module 10 or a second sampling module 10.

The housing comprises an upper cover 21 and a bottom shell 22, the upper cover 21 and the bottom shell 22 are connected through rivets, an accommodating cavity is formed after the upper cover 21 and the bottom shell 22 are connected, the current plug connector 30 and the sampling module 10 are arranged in the accommodating cavity, and the sampling module 10 is a first sampling module 10 or a second sampling module 10.

The PCB11 is provided with an indicator lamp, and further comprises an indicator lamp light guide column 23, wherein the indicator lamp light guide column 23 is detachably connected with the shell, the indicator lamp light guide column 23 is abutted to the indicator lamp when being connected with the shell, the upper cover 21 and the bottom shell 22 are assembled together, and the upper cover and the bottom shell are riveted through rivets. The whole module assembly is completed, the indicator light guide post 23 is provided with a self-locking buckle, and is clamped in and locked through the limiting guide groove. The indicator lamp clamping groove is provided with a protective cover 24, and the indicator lamp light guide column 23 is blocked under the condition that the indicator lamp light guide column is not installed.

The light guide column 23 is characterized by further comprising a protective cover 24, wherein the protective cover 24 is movably connected with the shell, and the protective cover 24 is arranged at a through hole of the shell corresponding to the light guide column 23 of the indicator light.

The switching modules 20 are a plurality of, and the switching modules 20 are detachably connected, so that the switching devices can be mutually combined for use, and the combined application of 2P, 3P and 4P is realized.

The switch 25 is further included, and the switch 25 is connected with the switching module 20.

Wherein the current plug 30 further comprises:

the two contact fingers 33, the contact fingers 33 are provided with a contact 34 and an extension 35, the inner faces of the extension 35 of the two contact fingers 33 are oppositely arranged, and the top ends of the contact 34 are protruded relative to the inner face of the extension 35;

a spring 36, and the two contact fingers 33 are connected through the spring 36.

One end of the contact finger 33 provided with the contact 34 is provided with a limiting hole 37, two ends of the spring 36 are respectively inserted into the limiting holes 37 of the two contact fingers 33, and the middle part of the spring 36 is arranged at the other end of the contact finger 33 provided with the contact 34;

the contact finger 33 is provided with a rotation center hole 38, the rotation center hole 38 is arranged in the middle of the contact finger 33, and a rotation shaft is inserted into the rotation center hole 38;

the rotating shaft is a pin 39, and further comprises two limiting sheets 40 and a clamp spring 32, wherein the limiting sheets 40 are provided with hole sites for the pin 39 to pass through, the two contact fingers 33 are rotatably connected with the pin 39 through the limiting sheets 40 and the clamp spring 32, and the two contact fingers 33 are arranged between the two limiting sheets 40;

the number of the pins 39 and the snap springs 32 is three, wherein two pins 39 pass through the rotation center holes 38 of the two contact fingers 33, and one pin 39 is directly connected with two limiting sheets 40;

the rear end of the contact finger 33 is provided with a limit fit edge 42, the limit fit edge 42 is inclined relative to the length direction of the contact finger 33, and the limit fit edge 42 extends from the middle part to the tail end of the contact finger 33 and gradually descends in height;

the device further comprises a wire connecting hole 41, wherein the wire connecting hole 41 is arranged at the tail end of the contact finger 33;

further comprising a flexible wire 43, the flexible wire 43 being connected to the wire connection hole 41 by means of a screw or a welding;

the touch finger device further comprises a plastic shell 31, wherein the touch finger 33 is arranged in the plastic shell 31;

the plastic housing 31 is opened at a position corresponding to the extension 35.

In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, unless otherwise specified and defined, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, mechanical or electrical, or may be in communication with each other between two elements, directly or indirectly through intermediaries, as would be understood by those skilled in the art, in view of the specific meaning of the terms described above.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (10)

1. A miniature circuit breaker switching module, comprising:

the sampling module (10), the sampling module (10) comprises a PCB (11), and a temperature sampling unit (12) and an output standard interface (13) are integrated on the PCB (11);

-a current plug (30), the current plug (30) being connected to the sampling module (10).

2. The miniature circuit breaker switching module according to claim 1, wherein the sampling module (10) comprises a first sampling module (10) and a second sampling module (10), the first sampling module (10) comprises a PCB (11), a current transformer (15), a temperature sampling unit (12) and an output standard interface (13) are integrated on the PCB (11), the second sampling module (10) comprises a PCB (11), and a leakage current sensor (14), a temperature sampling unit (12) and an output standard interface (13) are integrated on the PCB (11).

3. The miniature circuit breaker switching module according to claim 2, further comprising a switching module (20), the switching module (20) having a housing, the sampling module (10) and the current plug (30) being disposed within the housing, the current plug (30) having an extension (35), the extension (35) being exposed outside the housing, the sampling module (10) being either a first sampling module (10) or a second sampling module (10).

4. The miniature circuit breaker switching module according to claim 3, wherein the housing comprises an upper cover (21) and a bottom shell (22), the upper cover (21) and the bottom shell (22) are connected through rivets, a containing cavity is formed after the upper cover (21) and the bottom shell (22) are connected, the current plug connector (30) and the sampling module (10) are arranged in the containing cavity, and the sampling module (10) is a first sampling module (10) or a second sampling module (10).

5. The miniature circuit breaker switching module according to claim 4, wherein the PCB (11) has an indicator light, further comprising an indicator light guide post (23), the indicator light guide post (23) being detachably connected to the housing, the indicator light guide post (23) being in abutment with the indicator light when connected to the housing.

6. The miniature circuit breaker switching module according to claim 5, further comprising a protective cover (24), wherein the protective cover (24) is movably connected with the housing, and the protective cover (24) is arranged at a through hole of the housing corresponding to the indicator light guide column (23).

7. The miniature circuit breaker transit module of claim 6 wherein said transit module (20) is a plurality of said transit modules (20) being removably connected.

8. The miniature circuit breaker transit module of claim 7 further comprising a switch (25), said switch (25) being connected to said transit module (20).

9. The miniature circuit breaker transit module of claim 8 wherein the current plug (30) further comprises:

the two contact fingers (33), the contact fingers (33) are provided with contacts (34) and extension parts (35), the inner faces of the extension parts (35) of the two contact fingers (33) are oppositely arranged, and the top ends of the contacts (34) are protruded relative to the inner faces of the extension parts (35);

and a spring (36), wherein the two contact fingers (33) are connected through the spring (36).

10. The miniature circuit breaker switching module according to claim 9, wherein one end of the contact finger (33) provided with the contact (34) is provided with a limiting hole (37), two ends of the spring (36) are respectively inserted into the limiting holes (37) of two contact fingers (33), and the middle part of the spring (36) is arranged at the other end of the contact finger (33) provided with the contact (34);

the contact finger (33) is provided with a rotation center hole (38), the rotation center hole (38) is arranged in the middle of the contact finger (33), and a rotation shaft is inserted into the rotation center hole (38);

the rotating shaft is a pin (39), and further comprises two limiting sheets (40) and a clamp spring (32), wherein the limiting sheets (40) are provided with hole sites for the pin (39) to pass through, the two contact fingers (33) are rotatably connected with the pin (39) through the limiting sheets (40) and the clamp spring (32), and the two contact fingers (33) are arranged between the two limiting sheets (40);

the number of the pins (39) and the number of the snap springs (32) is three, wherein the two pins (39) penetrate through the rotating center holes (38) of the two contact fingers (33), and one pin (39) is directly connected with the two limiting sheets (40);

the rear end of the contact finger (33) is provided with a limit joint edge (42), the limit joint edge (42) inclines relative to the length direction of the contact finger (33), and the limit joint edge (42) extends from the middle part of the contact finger (33) to the tail end and gradually descends in height;

the device further comprises a wire connecting hole (41), wherein the wire connecting hole (41) is arranged at the tail end of the contact finger (33);

the flexible wire (43) is connected with the wire connecting hole (41) through a screw or welding mode;

the touch finger comprises a plastic shell (31), and the touch finger (33) is arranged in the plastic shell (31);

the plastic housing (31) is open at a position corresponding to the extension (35).