CN215418036U

CN215418036U - Electrical circuit breaker

Info

Publication number: CN215418036U
Application number: CN202121265467.0U
Authority: CN
Inventors: 南寅; 刘万里; 孙超; 邹勇光; 关义庆; 杨新文; 韦丹
Original assignee: Beijing Jingren Electric Appliance Co ltd
Current assignee: Sooar Tianjin Electrical Equipment Co ltd
Priority date: 2021-05-31
Filing date: 2021-06-08
Publication date: 2022-01-04
Anticipated expiration: 2031-06-08

Abstract

The utility model discloses an electric circuit breaker, which comprises an insulating shell and internal elements, wherein the insulating shell at least comprises a circuit breaker shell, at least one electronic module and an electronic module shell, the electronic module shell is arranged on the side surface of the circuit breaker shell, the electronic module shell is at least provided with a cavity, the opening direction of the at least one cavity faces to the side surface of the electric circuit breaker, and an interface connected with the electronic module is arranged in the cavity. The electronic module can be arranged on the side surface of the circuit breaker in a pluggable manner, is convenient to install, maintain and replace, is reasonable in layout, and can reduce the size of the circuit breaker.

Description

Electrical circuit breaker

Technical Field

The utility model relates to the technical field of low-voltage electrical appliances, in particular to an electric circuit breaker.

Background

With the continuous promotion of national power grids in the ubiquitous electric power internet of things construction, each product in an electric power system is continuously transformed and upgraded, and the switch keeps the original protection functions of overload, short circuit and the like and also has the functions of electric quantity data detection, communication and the like. In order to realize these new functions, electronic modules such as a metering module and a communication module need to be added. For example traditional circuit breaker of taking measurement function is installed inside the circuit breaker body with the metering module, it pushes down with the face lid to go up, the inner chamber size of circuit breaker is occupied on the one hand to this kind of structure, on the other hand is because electronic components in the metering module is ageing easily relatively, for other parts of circuit breaker, its life-span is short, the phenomenon that the metering module breaks down and needs to be changed often can appear, and current circuit breaker structure, when leading to needing to change the metering module, need to demolish circuit breaker face lid earlier, then pull down the metering module again, it wastes time and energy to change, it is inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

In order to solve at least one of the above problems, the present invention provides an electrical circuit breaker, which comprises the following specific schemes:

the utility model provides an electric circuit breaker, includes insulating casing and internal component, insulating casing includes circuit breaker shell, an at least electronic module, electronic module shell at least, the electronic module shell sets up the side of circuit breaker shell, the electronic module shell sets up a cavity at least, the opening direction orientation of at least one cavity the side of electric circuit breaker, be provided with in the cavity with the interface that electronic module is connected.

Preferably, the circuit breaker housing and the electronic module housing are integrally arranged, and can also be arranged in a split mode.

Preferably, the electronic module is disposed at the left side or/and the right side of the circuit breaker housing.

Preferably, the electronic module is at least any one of a metering module, an HPLC module, a power supply module, a protection module and a topology identification module or any combination of the metering module, the HPLC module, the power supply module, the protection module and the topology identification module.

Preferably, the electronic module housing is provided with a plurality of cavities having the opening, wherein the opening of at least one of the cavities opens onto the front side of the electrical circuit breaker.

Preferably, the electric circuit breaker includes a plurality of electronic modules arranged in a length direction or a height direction of the electric circuit breaker.

Preferably, the electronic module housing includes a base and a cover.

Preferably, the electric circuit breaker further includes an electronic component board, the electronic component board is disposed between the base and the cover, and the interface is a socket on the electronic component board.

Preferably, the cover body is provided with a through hole for the interface to extend into.

Preferably, the electronic module housing further comprises a protective cover, and the protective cover is movably connected with the cover body.

Preferably, the protective cover is connected to the cover body in any one of a turnover type, a vertical insertion type, a horizontal insertion type and a rotary type.

Preferably, the protective cover may be inserted into the cover body from a front surface of the circuit breaker case.

Preferably, the protective cover is provided with a buckle, and the cover body is provided with a clamping groove matched with the buckle.

Preferably, a stopper mechanism for holding the protective cover at the front end of the cover body is provided at the front end of the cover body.

Preferably, the visor includes first visor and second visor, first visor and second visor integration setting or components of a whole that can function independently setting.

Preferably, any one of a gas detection device, a temperature detection device and a camera or any combination of the gas detection device, the temperature detection device and the camera is arranged on the electric breaker.

Preferably, the gas detection device, the temperature detection device and the camera are arranged on the circuit breaker shell or/and the electronic module shell.

Preferably, the gas detection device, the temperature detection device, and the camera are connected to a PLC of the electric circuit breaker.

Preferably, the PLC may perform a judgment according to signals transmitted from the gas detection device, the temperature detection device, and the camera, and instruct the actuator to perform a trip operation.

Preferably, the electrical circuit breaker further comprises a main circuit board, and the electronic component board is connected to the main circuit board.

Preferably, the electronic module is connected with the interface in a pluggable mode.

Preferably, there are a plurality of the electronic modules, and a power module in the plurality of the electronic modules is detachably disposed on the upper end face of the circuit breaker housing.

Preferably, the electronic module is provided with a plurality of electronic modules, and the metering module or/and the topology recognition module in the electronic modules are arranged in the middle of the front face of the shell of the circuit breaker in a pluggable mode.

Preferably, an electronic circuit board is arranged at the bottom of the electric breaker.

Preferably, the bottom of the electric breaker is provided with a power supply module or/and a temperature detection module.

The utility model has the following beneficial effects:

1. according to the utility model, the metering module, the HPLC module, the power supply module and other electronic modules are arranged on the side surface of the circuit breaker in a pluggable manner, and when the circuit breaker needs to be replaced, the electronic modules are plugged and used, so that the circuit breaker is convenient to install, maintain and replace and can be suitable for various types of circuit breakers;

2. the side of circuit breaker is located to the electronic module shell, and each electronic module is rationally distributed, has reached more reasonable applied size under the function prerequisite, can reduce the circuit breaker volume.

3. The electronic module shell of the electric circuit breaker is provided with a cavity for accommodating the electronic module, the side face or the front face of the electric circuit breaker is arranged at the opening of the cavity, the installation of operators is facilitated, and a partition plate can be arranged between the cavities to prevent mutual interference between the electronic modules.

4. The electric breaker is suitable for ubiquitous electronic Internet of things upgrading products, the electronic module is arranged outside the breaker shell, the space for accommodating internal elements of the breaker shell is increased, good electromagnetic compatibility and heat dissipation environment are improved, and the standardization level and the product reliability are improved.

5. This electric circuit breaker's visor inserts from the front of circuit breaker, has reduced the occupation space of visor, reasonable in design, and easy operation is convenient.

6. The electric circuit breaker can realize the conventional functions of overload, short-circuit protection and the like, and also can realize the functions of line electric quantity measurement/metering, remote communication, temperature measurement and the like.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of an electric circuit breaker according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of an electrical circuit breaker according to a first embodiment of the present invention (the protective cover and the electronic module are omitted);

fig. 3 is a schematic structural view of a cover of an electric circuit breaker according to a first embodiment of the present invention;

fig. 4 is a schematic structural view of a base of an electric circuit breaker according to a first embodiment of the present invention;

fig. 5 is a schematic structural view of an electric circuit breaker according to a second embodiment of the present invention;

fig. 6 is a schematic structural view of an electric circuit breaker according to a third embodiment of the present invention;

fig. 7 is a schematic structural view of an electric circuit breaker according to a fourth embodiment of the present invention;

fig. 8 and 9 are schematic structural views of an electric circuit breaker according to a fifth embodiment of the present invention.

Detailed Description

Features and exemplary embodiments of various aspects of the present invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. The present invention is in no way limited to any specific configuration and algorithm set forth below, but rather covers any modification, replacement or improvement of elements, parts without departing from the spirit of the utility model.

For ease of description, the length, width and height directions referred to hereinafter correspond to the Z, X and Y directions, respectively, shown in FIG. 1, it being understood that the above-identified orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are intended to facilitate the description of the utility model and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation and are not to be construed as limiting the utility model.

First embodiment

As shown in fig. 1 to 4, the present embodiment discloses an electrical circuit breaker, which includes an insulating housing and an internal component, the insulating housing includes a circuit breaker housing 10, a metering module 31, an HPLC module 32 and an electronic module housing 20, the electronic module housing 20 includes two independent first cavity c1 and second cavity c2, the metering module 31 is removably disposed in the first cavity c1, the HPLC module 32 is removably disposed in the second cavity c2, of course, the metering module 31 may also be disposed in the second cavity c2, the HPLC module 32 is disposed in the first cavity c1, only sockets connected to the metering module 31 and the HPLC module 32 are disposed in the corresponding cavities, the circuit breaker housing 10 has a front side, an upper end, a lower end, a left side and a right side, the electronic module housing 20 is disposed on the left side of the circuit breaker housing 10, that is, the X-axis direction shown in fig. 1, and at the same time, the opening directions of the first cavity c1 and the second cavity c2 are both toward the side of the electrical circuit breaker, so that the measurement module 31 or the HPLC module 32 can be installed or removed from the side of the circuit breaker when a worker installs or replaces the circuit breaker, which is convenient for operation.

In other embodiments, the opening directions of the first cavity c1 and the second cavity c2 may be different, for example, the opening of the first cavity c1 is disposed at a side surface of an electric circuit breaker, and the opening of the second cavity c2 is disposed at a front surface of the electric circuit breaker at a point, so that the electronic module located in the first cavity c1 is installed or pulled out from the side surface, the electronic module located in the second cavity c2 is installed or pulled out from the front surface, and the setting of the cavity opening directions may be set according to actual situations, so as to facilitate the operation of a worker.

With continued reference to fig. 1 and 2, the first cavity c1 and the second cavity c2 are disposed side by side along a length direction of the electrical circuit breaker, i.e., a Z-axis direction shown in fig. 1, and accordingly, the metering module 31 and the power module 32 are also disposed side by side along the length direction of the electrical circuit breaker, and a partition is disposed between the first cavity c1 and the second cavity c2 to ensure that the metering module 31 and the HPLC module 32 are independent from each other and do not interfere with each other.

The internal components in the embodiment include a fixed contact, a moving contact, an insulating rotating shaft, an arc extinguish chamber, an operating mechanism, a release, a wire inlet and outlet terminal and a current transformer, the moving contact is rotatably connected with the operating mechanism through the insulating rotating shaft, the moving contact is in contact with or separated from the fixed contact under the driving of the operating mechanism, and the arc extinguish chamber is used for cooling and cutting electric arcs generated when the moving contact and the fixed contact are disconnected, so that the electrical safety is ensured.

The electronic module in this embodiment is a metering module and an HPLC module, and in other embodiments, the electronic module may be a metering module, an HPLC module, a power module, a protection module, or a topology identification module, or any combination of the foregoing modules, wherein the metering module is configured to process a metering current and a metering voltage, and transmit a processing result to a processor of the circuit breaker, the HPLC module is configured to implement communication between the circuit breaker and an external upper computer or other external control centers, the power module is configured to supply power to the electrical circuit breaker, and the topology identification module is configured to implement topology identification of the entire power distribution network into a graph.

With reference to fig. 1 to 4, the circuit breaker housing and the electronic module housing may be integrally configured or may be separately configured, in this embodiment, the electronic module housing 20 includes a base 21, a cover 22 and a protection cover 30, the protection cover 30 includes a first protection cover 231 and a second protection cover 232, the base 21 is fixedly connected to the circuit breaker housing 10, the cover 22 is fixedly connected to the base 21 through a screw thread, a through hole 221 is formed in the cover 22, the first protection cover 231 and the second protection cover 232 are separately designed and are respectively connected to the cover 22 through a rotating shaft in a reversible manner, the first protection cover 231 is located above the first cavity c1, the second protection cover 232 is located above the second cavity c2, and the protection cover therein is a transparent cover and has a dustproof and waterproof protection function.

Any one of the gas detection device 50, the temperature detection device 60 and the camera 70 or any combination of the gas detection device 50, the temperature detection device 60 and the camera 70 may be further disposed on the electric circuit breaker, wherein the gas detection device 50, the temperature detection device 60 and the camera 70 are disposed on the circuit breaker housing 10 or/and on the electronic module housing 20, and in this embodiment, the gas detection device 50, the temperature detection device 60 and the camera 70 are disposed on the electronic module housing 20, as shown in fig. 2.

The gas detection device 50, the temperature detection device 60 and the camera 70 are connected with a PLC of the electric circuit breaker, and the PLC can judge according to signals transmitted by the gas detection device 50, the temperature detection device 60 and the camera 70 and command the actuator to execute tripping operation.

The electric circuit breaker further comprises a main circuit board and an electronic component board, the main circuit board is located in the circuit breaker shell 10, the electronic component board is located between the base 21 and the cover 22, one side of the electronic component board is connected with the main circuit board through a pin, certainly, the electronic component board can also be connected with the main circuit board through a wire, the other side of the electronic component board is provided with an interface 40, in this embodiment, the electronic component board is provided with a first interface 41 used for being connected with the metering module 31 and a second interface 42 used for being connected with the HPLC module 32, the number of the first interface 41 and the second interface 42 can be set according to actual requirements, in this embodiment, the number of the first interface 41 and the second interface 42 is respectively 2, correspondingly, the cover 22 is provided with through holes 221 with the same number and corresponding positions, and the first interface 41 and the second interface 42 both penetrate through the through holes 221 and extend into the cavity, the first port 41 extends into the first cavity c1 to be connected with the metering module 31 in a pluggable manner, and the second port 42 extends into the second cavity c2 to be connected with the HPLC module 32 in a pluggable manner.

Second embodiment

As shown in fig. 5, the present embodiment discloses an electric circuit breaker with another structure, which is different from the first embodiment in that the first cavity c1 and the second cavity c2 are communicated cavities, no partition plate is disposed in the middle, and the first protection cover 31 and the second protection cover 32 are integrally disposed. Other structures of the electronic module, the electronic module housing and the circuit breaker housing are the same as those of the first embodiment, and are not described herein again.

Third embodiment

As shown in fig. 6, this embodiment discloses an electric circuit breaker with another structure, which is different from the first embodiment in that the number of the electronic module housings 20 is 2, 2 the electronic module housings 20 are respectively disposed on the left side and the right side of the circuit breaker housing 10, when a plurality of electronic modules are needed, the plurality of electronic modules can be disposed on the left side and the right side of the circuit breaker housing 10, the left side and the right side are symmetrically disposed, and the design is simple and beautiful on the premise of meeting the functional requirements.

Fourth embodiment

As shown in fig. 7, the present embodiment discloses another structure of an electric circuit breaker, which is different from the first embodiment in that the metering modules 31 and the power supply modules 32 are arranged in different manners, in this embodiment, the metering modules 31 and the power supply modules 32 are arranged in the height direction of the electric circuit breaker, i.e., the Y-axis direction shown in fig. 1, and accordingly, the first cavity c1 and the second cavity c2 are also arranged in the height direction of the electric circuit breaker.

Fifth embodiment

As shown in fig. 8 and fig. 9, this embodiment discloses another structure of an electric circuit breaker, which is different from the third embodiment in that the protective cover 23 is insertable into the cover body from the front of the circuit breaker housing 10, in this embodiment, the protective cover 23 includes a first protective cover 231 and a second protective cover 232, the first protective cover 231 and the second protective cover 232 are both slidably connected to the cover body 22, the cover body 22 is provided with a sliding slot, the side wall of the protective cover 23 can slide in the sliding slot, the front end of the sliding slot is provided with a limiting mechanism for keeping the protective cover 23 at the front end of the sliding slot, specifically, the limiting mechanism is a first limiting protrusion for limiting the protective cover 23 from sliding forward and a second limiting protrusion for limiting the protective cover 23 from sliding backward, when the protective cover 23 slides to the front end of the cover body 22, under the action of the first limit protrusion and the second limit protrusion, the protective cover 23 can be held at the front end of the cover 22, and under the condition of applying an external force, the protective cover 23 presses the second limit protrusion and can slide backwards to the rear end of the cover.

The protective cover 23 is further provided with a buckle 234, the cover 22 is provided with a slot 224 matched with the buckle 234, the protective cover 23 can be pulled away from the cover 22, when the protective cover 23 needs to be installed, the protective cover 23 is inserted into the sliding slot from the front of the circuit breaker housing 10, the protective cover 23 is pushed backwards, the buckle 234 of the protective cover 23 is inserted into the slot 224, and stable connection between the protective cover 23 and the cover 22 is achieved. The protective cover 23 is inserted into the cover 22 from the front, so that the occupied space is reduced, and the design is more reasonable.

According to the utility model, the metering module, the HPLC module, the power supply module and other electronic modules are arranged on the side surface of the circuit breaker in a pluggable manner, and when the circuit breaker needs to be replaced, the electronic modules are plugged and used, so that the circuit breaker is convenient to install, maintain and replace and can be suitable for various types of circuit breakers; the side of circuit breaker is located to the electronic module, and is rationally distributed, can reduce the circuit breaker volume.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

The present invention may be embodied in other specific forms without departing from its spirit or essential characteristics. The present embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides an electric circuit breaker, includes insulating casing and internal component, insulating casing includes circuit breaker shell (10), an at least electronic module, electronic module shell (20) at least, electronic module shell (20) set up the side of circuit breaker shell (10), electronic module shell (20) set up a cavity at least, its characterized in that, the opening direction orientation of at least one cavity the side of electric circuit breaker, be provided with in the cavity with the interface that electronic module is connected.

2. Electrical disconnector according to claim 1, characterized in that the disconnector housing (10) and the electronics module housing (20) are arranged in one piece, but also in a separate piece.

3. Electrical disconnector according to claim 1, characterized in that the electronics module is arranged on the left or/and right side of the disconnector housing (10).

4. The electrical disconnector according to claim 1, wherein the electronic module is at least any one of a metering module, an HPLC module, a power module, a protection module, a topology identification module or any combination thereof.

5. Electrical circuit breaker according to claim 1, characterized in that the electronics module housing (20) is provided with a plurality of cavities with said openings, wherein the opening of at least one of said cavities opens at the front face of the electrical circuit breaker.

6. An electrical disconnector according to claim 1, characterized in that it comprises a plurality of electronic modules arranged in a length-wise or height-wise direction of the disconnector.

7. Electrical disconnector according to claim 1, characterized in that the electronics module housing (20) comprises a base (21) and a cover (22).

8. The electrical disconnector according to claim 7, further comprising an electronics board, wherein the electronics board is disposed between the base (21) and the cover (22), and wherein the interface is a socket on the electronics board.

9. Electrical disconnector according to claim 7, characterized in that the cover (22) is provided with a through-hole for the interface to protrude into.

10. The electrical disconnector according to claim 7, characterized in that the electronic module housing (20) further comprises a protective cover (23), the protective cover (23) being movably connected to the cover (22).

11. The electrical disconnector according to claim 10, wherein the protective cover (23) is connected to the cover (22) in any one of a flip-type, a vertical plug-in type, a horizontal plug-in type, and a rotary type.

12. Electrical disconnector according to claim 10, characterized in that the protective cover (23) is insertable into the cover (22) from the front side of the disconnector housing (10).

13. The electrical disconnector according to claim 10, wherein the protective cover (23) is provided with a latch (234), and the cover (22) is provided with a slot (224) that cooperates with the latch (234).

14. The electrical disconnector according to claim 10, wherein a front end of the cover (22) is provided with a stopper mechanism for allowing the protective cover (23) to be held at a front end of the cover (22).

15. The electrical disconnector according to claim 10, characterized in that the protective cover (23) comprises a first protective cover (231) and a second protective cover (232), the first protective cover (231) and the second protective cover (232) being arranged integrally or separately.

16. The electrical disconnector according to claim 1, characterized in that the electrical disconnector is provided with any one of a gas detection device (50), a temperature detection device (60), a camera (70) or any combination of the gas detection device (50), the temperature detection device (60), the camera (70).

17. Electrical disconnector according to claim 16, characterized in that the gas detection device (50), the temperature detection device (60), the camera (70) are provided on the disconnector housing (10) or/and on the electronics module housing (20).

18. Electrical disconnector according to claim 16, characterized in that the gas detection device (50), the temperature detection device (60), the camera (70) are connected to a PLC of the electrical disconnector.

19. The electrical disconnector according to claim 18, wherein the PLC is configured to command the actuator to perform a trip operation according to the signals from the gas detecting device (50), the temperature detecting device (60) and the camera (70).

20. The electrical disconnect of claim 8, further comprising a main circuit board, the electronics board being connected to the main circuit board.

21. The electrical disconnector according to claim 1, wherein the electronics module is pluggable to the interface.

22. The electrical circuit breaker of claim 1, wherein said plurality of electronic modules includes a power module removably disposed on an upper end surface of said circuit breaker housing.

23. The electrical disconnector according to claim 1, wherein the electronic module comprises a plurality of electronic modules, and wherein the metering module and/or the topology recognition module of the plurality of electronic modules are removably disposed in a central front portion of the disconnector housing.

24. The electrical disconnector according to claim 1, characterized in that the bottom of the electrical disconnector is provided with an electronic circuit board.

25. The electrical disconnector according to claim 1, characterized in that the bottom of the electrical disconnector is provided with a power supply module or/and a temperature detection module.