CN216288236U

CN216288236U - Circuit breaker

Info

Publication number: CN216288236U
Application number: CN202123006762.7U
Authority: CN
Inventors: 黄燮云; 周文; 张强
Original assignee: Hangzhou Taimu Electrical Co ltd
Current assignee: Hangzhou Taimu Electrical Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-04-12
Anticipated expiration: 2031-11-30

Abstract

The application discloses a circuit breaker. The circuit breaker includes: the electric leakage circuit board, the electric arc module, the first shell and the second shell; the electric leakage circuit board is installed in the first casing, the electric arc module is installed in the second casing, narrow limit one side of second casing is connected narrow limit one side of first casing, the electric leakage circuit board with the electric arc module lotus root connects, just the narrow limit thickness of second casing is not more than the narrow limit thickness of first casing. The technical problem of because the great position in the distribution box that leads to too much among the relevant art is taken up to arc fault circuit breaker thickness is solved in this application.

Description

Circuit breaker

Technical Field

The application relates to the technical field of electrical equipment, in particular to a circuit breaker.

Background

Electrical fires are the "first killer" that threatens the safety of the lives and properties of people. According to statistics, nearly half of the fires in China are caused by improper electricity utilization. With the improvement of economic level, electrical safety is more and more emphasized, and people begin to choose to install circuit breakers to protect the electrical safety. However, the conventional circuit breaker only protects an overload and a short circuit in an electric circuit, and cannot detect a fault arc which is a main cause of an electric fire.

Due to poor line contact or insulation damage, a 'bad arc' with large energy and high temperature, namely a fault arc, is generated in an electric line, is not easy to find, but easily causes equipment damage or even fire. In order to prevent the fire from being burnt, the arc fault breaker of the arc protection switch equipment, which is also called an arc fault detection device, is a novel protection electric appliance, can detect the arc fault in an electric line, can cut off the circuit before the electric fire is caused, and can effectively prevent the electric fire caused by the arc fault. The arc fault circuit interrupter includes an electrical circuit breaker and an arc module. However, in the related art, the breaking circuit and the arc module in the arc fault circuit breaker are respectively disposed in two layers in the case, so that the case of the arc fault circuit breaker has a large thickness, and occupies too many positions in the distribution box, thereby often causing difficulty in installation in the distribution box.

Aiming at the problem that the arc fault circuit breaker occupies too many positions in a distribution box due to the fact that the thickness of the arc fault circuit breaker is large in the related art, an effective solution is not provided at present.

SUMMERY OF THE UTILITY MODEL

The main object of this application is to provide a circuit breaker to solve among the related art because the great problem that leads to too much position in the distribution box that occupies of arc fault circuit breaker thickness.

In order to achieve the above object, the present application provides a circuit breaker.

The circuit breaker according to the application includes: the electric leakage circuit board, the electric arc module, the first shell and the second shell;

the electric leakage circuit board is installed in the first casing, the electric arc module is installed in the second casing, narrow limit one side of second casing is connected narrow limit one side of first casing, the electric leakage circuit board with the electric arc module lotus root connects, just the narrow limit thickness of second casing is not more than the narrow limit thickness of first casing.

Optionally, the leakage circuit board and the arc module are arranged in parallel.

Optionally, the display device further comprises an indicator light, the indicator light is mounted on one side of the narrow side of the first shell, and the second shell is located below the indicator light.

Optionally, the electric leakage protection device further comprises an external cable, one end of the external cable is coupled with the electric leakage circuit board, and the other end of the external cable penetrates through the second shell, below the electric arc module, and is exposed out of the second shell from one side of the narrow side of the second shell.

Optionally, the first housing and the second housing are of an integral or split construction.

Optionally, when the first housing and the second housing are in a split-type configuration, the first housing and the second housing are detachably connected.

Optionally, a reserved channel for accommodating the external cable is arranged in the second housing, so that when the first housing is detachably connected with the second housing, the external cable is exposed out of the second housing through the reserved channel.

In an embodiment of the present application, there is provided a circuit breaker, including: the electric leakage circuit board, the electric arc module, the first shell and the second shell; the electric leakage circuit board is installed in the first casing, the electric arc module is installed in the second casing, narrow limit one side of second casing is connected narrow limit one side of first casing, the electric leakage circuit board with the electric arc module lotus root connects, just the narrow limit thickness of second casing is not more than the narrow limit thickness of first casing. Like this, the narrow limit of second casing one side is connected the narrow limit of first casing one side for electric arc module can be installed in the one side of electric leakage circuit board, and electric arc module need not to assemble in first casing with bilayer structure, and then reduces the thickness of first casing. And then solved among the relevant art because the great technical problem who leads to too much position in the distribution box that occupies of arc fault circuit breaker thickness.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a schematic structural diagram of a circuit breaker according to an embodiment of the present disclosure;

fig. 2 is a schematic internal structural diagram of a circuit breaker according to an embodiment of the present application.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "disposed," "provided," "connected," "secured," "mounted," and "coupled" are to be construed broadly. For example, "connected" may be a fixed connection, a detachable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 and fig. 2, an embodiment of the present application provides a circuit breaker, including a leakage circuit board 3, an arc module 4, a first housing 1, and a second housing 2;

the electric leakage circuit board 3 is installed in the first casing 1, the electric arc module 4 is installed in the second casing 2, the narrow 7 one side of second casing 2 is connected the narrow 7 one side of first casing 1, the electric leakage circuit board 3 with the coupling of electric arc module 4, just the narrow 7 thickness on the limit of second casing 2 is not more than the narrow 7 thickness on the limit of first casing 1.

Specifically, the narrow side 7 side of the second housing 2 is connected to the narrow side 7 side of the first housing 1, so that the arc module 4 can be installed on one side of the leakage circuit board 3, and the arc module 4 does not need to be assembled in the first housing 1 in a double-layer structure, thereby reducing the thickness of the first housing 1. When making in the distribution box with this circuit breaker, this circuit breaker has the thickness of electric arc module 4 and is the same with the circuit breaker thickness that does not have electric arc module 4, and then can save more mounted positions for the distribution box effectively.

Specifically, the leakage circuit board 3 and the arc module 4 are arranged in parallel.

Wherein, electric leakage circuit board 3, electric arc module 4 are equally divided and are parallelly arranged respectively in first casing 1 and second casing 2.

Optionally, the device further comprises an indicator lamp 5, wherein the indicator lamp 5 is installed on one side of the narrow edge 7 of the first shell 1, and the second shell 2 is located below the indicator lamp 5.

Specifically, the specific position of second casing 2 can be located the below of pilot lamp 5, makes like this, and second casing 2 can not shelter from pilot lamp 5 on the first casing 1, has guaranteed that the user can observe the display state of pilot lamp 5 in the block terminal outside.

Specifically, still include external cable 6, the one end of external cable 6 with the coupling of electric leakage circuit board 3, the other end of external cable 6 passes in the second casing 2 the below of electric arc module 4 and follow it exposes to be bare on one side of the narrow limit 7 of second casing 2.

Wherein, external cable 6 in second casing 2 can extend second casing 2 through the below of electric arc module 4, and the external cable 6 of being convenient for can be connected with outside cable through second casing 2.

Optionally, the first housing 1 and the second housing 2 are of an integral or a split configuration.

Specifically, in order to improve the connection strength between the first shell 1 and the second shell 2, the first shell 1 and the second shell 2 are integrally constructed; and the second casing 2 can also be an independent module, when the circuit breaker needs to be additionally provided with the arc module 4, the second casing 2 is detachably connected to the first casing 1, and the arc module 4 is additionally arranged on the basis that the circuit breaker is not thickened.

Specifically, when the first housing 1 and the second housing 2 are in a split structure, the first housing 1 and the second housing 2 are detachably connected.

Specifically, a reserved channel for accommodating the external cable 6 is arranged in the second housing 2, so that when the first housing 1 is detachably connected with the second housing 2, the external cable 6 is exposed out of the second housing 2 through the reserved channel.

Like this, when needs install detachable second casing 2 additional on first casing 1 in this application, external cable 6 passes through the preformed channel exposes second casing 2, and then makes external cable 6 directly pass through second casing 2 for overall structure is more succinct, and it is also more convenient to use the installation.

In an embodiment of the present application, there is provided a circuit breaker, including: the electric leakage circuit board 3, the electric arc module 4, the first shell 1 and the second shell 2; the electric leakage circuit board 3 is installed in the first casing 1, the electric arc module 4 is installed in the second casing 2, the narrow 7 one side of second casing 2 is connected the narrow 7 one side of first casing 1, the electric leakage circuit board 3 with the coupling of electric arc module 4, just the narrow 7 thickness on the limit of second casing 2 is not more than the narrow 7 thickness on the limit of first casing 1. In this way, the narrow side 7 side of the second housing 2 is connected to the narrow side 7 side of the first housing 1, so that the arc module 4 can be mounted on the side of the leakage circuit board 3, and the arc module 4 does not need to be assembled in the first housing 1 in a double-layer structure, thereby reducing the thickness of the first housing 1. And then solved among the relevant art because the great technical problem who leads to too much position in the distribution box that occupies of arc fault circuit breaker thickness.

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

Claims

1. A circuit breaker, comprising: the electric leakage circuit board, the electric arc module, the first shell and the second shell;

2. The circuit breaker of claim 1, wherein the leakage circuit board is disposed in parallel with the arc module.

3. The circuit breaker of claim 1, further comprising an indicator light mounted on a side of the narrow side of the first housing, and the second housing is located below the indicator light.

4. The circuit breaker according to claim 1, further comprising an external cable, wherein one end of the external cable is coupled to the ground leakage circuit board, and the other end of the external cable passes through the second housing below the arc module and is exposed from the narrow side of the second housing.

5. The circuit breaker of claim 4, wherein the first housing and the second housing are of a unitary or a split configuration.

6. The circuit breaker of claim 5, wherein the first housing is removably coupled to the second housing when the first housing is in a split configuration.

7. The circuit breaker of claim 6, wherein the second housing has a through-passage for receiving the external cable, such that when the first housing is detachably connected to the second housing, the external cable is exposed out of the second housing through the through-passage.