CN216288246U

CN216288246U - Residual current circuit breaker with lower wire inlet function

Info

Publication number: CN216288246U
Application number: CN202121954881.2U
Authority: CN
Inventors: 王琪; 黄明芳; 耿永强; 俞小平
Original assignee: Zhejiang Jiuce Intelligent Electric Co ltd
Current assignee: Zhejiang Jiuce Intelligent Electric Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-04-12
Anticipated expiration: 2031-08-19

Abstract

The utility model relates to an electric leakage circuit breaker with a lower wire inlet function, which is characterized by comprising an N-level shell, an L-level shell and a middle shell, wherein the N-level shell and the middle shell form an N-level circuit breaker, the L-level shell and the middle shell form an L-level circuit breaker, the N-level wire outlet and the L-level wire outlet are correspondingly arranged on the same side of the N-level circuit breaker and the L-level circuit breaker, the other side of the N-level circuit breaker and the L-level circuit breaker is provided with a single L-level wire inlet hole, an external wire outlet is arranged below the N-level wire outlet, an external lead is arranged in the external wire inlet hole, and the external lead is connected with a wiring board of an N-level static contact. According to the utility model, the function of feeding the wire downwards is realized through the L-grade wire end, namely the L-grade wire end is arranged on one side, the two wire holes are arranged on the other side, and the external lead is arranged on one side provided with the wire holes and is used for realizing the N-grade wire, instead of the traditional wire connecting terminal mode, the wire feeding is realized, the arrangement of one wire connecting terminal is reduced, and the cost is reduced.

Description

Residual current circuit breaker with lower wire inlet function

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a residual current circuit breaker with a downward wire inlet function.

Background

The existing residual current circuit breaker adopts a wire inlet mode that wires are connected through a wiring terminal, a general residual current circuit breaker has N-level and L-level, and the N-level and the L-level have wire outlet and wire inlet terminals, so that the wire inlet terminals are too many, the size is too large, and a novel wiring mode is necessary to be adopted.

Disclosure of Invention

The utility model aims to provide a residual current circuit breaker with a downward wire inlet function, which adopts a novel wiring mode.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an electric leakage circuit breaker with inlet wire function down, its characterized in that, includes N level casing, L level casing and middle casing, N level casing with form N level circuit breaker between the middle casing, L level casing with form L level circuit breaker between the middle casing, N level circuit breaker and L level circuit breaker with one side correspondence be provided with N level wire hole and L level wire hole, the opposite side is provided with single L and upgrades the wire hole, the below of N level wire hole is provided with external pin hole, be provided with external lead wire in the external pin hole, external lead wire is connected with the wiring board of N level static contact.

The electromagnetic coil is further provided with an N-level wiring hole, an L-level wiring end, an L-level progressive wiring end, an N-level wiring end and an L-level wiring end, wherein the N-level wiring hole is internally provided with the N-level wiring end, the L-level wiring hole is internally provided with the L-level wiring end, the N-level wiring end and the L-level wiring end are arranged close to the bimetal, and the L-level wiring end is connected with the electromagnetic coil through a connecting plate.

The utility model is further provided that a lead slot for arranging an external lead is formed in the N-stage shell, and the lead slot extends from the external lead hole to the lower part of the wiring board of the N-stage static contact.

The utility model is further provided with the lead groove in an L-shaped structure.

The utility model has the advantages that the lower wire inlet function is realized through the L-grade wire inlet end, namely the L-grade wire inlet end is arranged on one side, the two wire outlet holes are arranged on the other side, and the external lead is arranged on one side provided with the wire outlet holes and is used for realizing the N-grade wire inlet instead of the traditional wire inlet terminal mode, so that the arrangement of one wire inlet terminal is reduced, and the cost is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a perspective view 1 of an embodiment of the present invention.

Fig. 2 is a perspective view of an embodiment of the present invention 2.

Fig. 3 is a schematic diagram of the embodiment of the utility model after removing the L-stage shell.

FIG. 4 is a schematic view of an embodiment of the present invention with a portion of the attachment removed.

Reference numeral, 10, N-stage housing; 20. an L-stage shell; 30. a middle housing; 40. an N-level wire outlet hole; 50. an L-level wire outlet hole; 60. l-grade wire feeding holes; 70. a lead hole is arranged outside; 80. an external lead; 90. an N-level terminal; 100. an L-level terminal; 110. an L-stage feed end; 120. gold and gold; 130. an electromagnetic coil; 140. a wiring board; 150. a lead slot;

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1-4, the present invention is an electrical leakage breaker with a downward wire feeding function, including an N-stage casing 10, an L-stage casing 20, and an intermediate casing 30, where the N-stage casing 10 and the intermediate casing 30 form an N-stage breaker, the L-stage casing 20 and the intermediate casing 30 form an L-stage breaker, the N-stage circuit breaker and the L-stage circuit breaker are correspondingly provided with an N-stage wire outlet 40 and an L-stage wire outlet 50 on the same side, the other side is provided with a single L-stage wire outlet 60, an external lead 80 hole 70 is provided below the N-stage wire outlet 40, an external lead 80 is provided in the external lead 80 hole 70, and the external lead 80 is connected to a terminal block 140 of an N-stage stationary contact.

The electromagnetic coil comprises an N-level wire outlet hole 40, an L-level wire outlet hole 50, an L-level wire outlet 100, an L-level wire outlet 110, a bimetallic strip 120, a connecting plate and an L-level wire outlet 90, wherein the N-level wire outlet hole 40 is internally provided with the N-level wire outlet 90, the L-level wire outlet hole 50 is internally provided with the L-level wire outlet 100, the N-level wire outlet 90 and the L-level wire outlet 100 are arranged close to the bimetallic strip 120, and the L-level wire outlet 110 is connected with the electromagnetic coil 130 through the connecting plate.

A lead slot 150 for accommodating an external lead 80 is formed in the N-stage housing 10, the lead slot 150 extends from the external lead 80 hole 70 to a position below the wiring board 140 of the N-stage stationary contact, and the lead slot 150 is of an L-shaped structure.

According to the utility model, the lower wire inlet function is realized through the L-grade wire inlet end 110, namely the L-grade wire inlet end 110 is arranged on one side, the two wire outlet holes are arranged on the other side, and the external lead 80 is arranged on one side provided with the wire outlet holes and is used for realizing the N-grade wire inlet instead of the traditional wire inlet mode, so that the arrangement of one wire connecting terminal is reduced, and the cost is reduced.

Certain terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

More use is made of shells such as class 10, N; 20. an L-stage shell; 30. a middle housing; 40. an N-level wire outlet hole; 50. an L-level wire outlet hole; 60. l-grade wire feeding holes; 70. a lead hole is arranged outside; 80. an external lead; 90. an N-level terminal; 100. an L-level terminal; 110. an L-stage feed end; 120. gold and gold; 130. an electromagnetic coil; 140. a wiring board; 150. it is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

While the foregoing description shows and describes several preferred embodiments of the utility model, it is to be understood, as noted above, that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. The utility model provides an electric leakage circuit breaker with inlet wire function down, its characterized in that, includes N level casing, L level casing and middle casing, N level casing with form N level circuit breaker between the middle casing, L level casing with form L level circuit breaker between the middle casing, N level circuit breaker and L level circuit breaker with one side correspondence be provided with N level wire hole and L level wire hole, the opposite side is provided with single L and upgrades the wire hole, the below of N level wire hole is provided with external pin hole, be provided with external lead wire in the external pin hole, external lead wire is connected with the wiring board of N level static contact.

2. The residual current circuit breaker with the function of downward feeding of claim 1, wherein an N-level wiring hole is provided with an N-level wiring terminal, an L-level wiring hole is provided with an L-level wiring terminal, an L-level wiring terminal is provided in the L-level wiring hole, the N-level wiring terminal and the L-level wiring terminal are arranged close to the bimetal, and the L-level wiring terminal is connected with the electromagnetic coil through a connecting plate.

3. The residual current circuit breaker with the downward wire feeding function according to claim 2, wherein a wire guiding groove for accommodating an external lead is formed in the N-stage housing, and the wire guiding groove extends from the external wire guiding hole to a position below a wiring board of the N-stage stationary contact.

4. A residual current circuit breaker with a downward wire feeding function according to claim 3, characterized in that the lead groove is of an L-shaped structure.