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Circuit breaker

A technology of circuit breakers and components, applied in the electrical field, can solve the problems of large circuit breakers, limited use of circuit breakers, and many parts, and achieve the effects of reducing volume, improving applicability, and optimizing layout structure

Pending Publication Date: 2022-01-25
SHANGHAI LIANGXIN ELECTRICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The operating mechanism of the existing circuit breaker has many parts, and the connection structure between the parts is relatively complicated. The operating mechanism relies on the casing for transmission. The body is large, and the internal space of the control cabinet is limited, which limits the use of circuit breakers

Method used

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Embodiment Construction

[0030] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0031] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art wi...

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PUM

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Abstract

The invention discloses a circuit breaker, and relates to the technical field of electrics. The circuit breaker comprises a shell and an operation assembly arranged in the shell; the shell comprises a first side wall and a second side wall which are oppositely arranged; the operation assembly is connected with the first side wall, and a preset space is formed between the operation assembly and the second side wall; at least one of a circuit board, a bimetallic strip or a tripping transmission piece is arranged in the preset space. The layout structure of the circuit breaker can be optimized, the size of the circuit breaker is reduced, and the applicability of the circuit breaker is improved.

Description

technical field [0001] The present invention relates to the field of electrical technology, in particular to a circuit breaker. Background technique [0002] A circuit breaker is a switching device that can close, carry and break current under normal circuit conditions and can close, carry and break current under abnormal circuit conditions within a specified time. Circuit breakers can protect power lines and loads, and can automatically cut off the circuit when they are seriously overloaded, short-circuited, or under-voltage. Its function is equivalent to a combination of a fuse switch and an overheating relay. Generally, there is no need to change parts after breaking the fault current. At present, it has been widely used. [0003] The on-off of the circuit breaker generally controls the movement of the moving contact through the operating mechanism to separate or resist the moving contact and the static contact, so as to realize the opening or closing of the circuit brea...

Claims

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Application Information

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IPC IPC(8): H01H71/02H01H71/40
CPCH01H71/0207H01H71/40
Inventor 李强彭琼向洪岗
Owner SHANGHAI LIANGXIN ELECTRICAL