Circuit breaker short-circuit protection device and plug-in circuit breaker

A short-circuit protection and circuit breaker technology, which is applied to circuit breaker components, protection switch operation/release mechanisms, etc., can solve the problems of limited breaking capacity and low reliability of breaking capacity, so as to improve efficiency, facilitate transmission and reception, and simplify structure effect

Pending Publication Date: 2020-08-11
DELIXI ELECTRIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, due to its unique shape and size restrictions, most plug-in circuit breakers have limited breaking capacity, and the reliability of breaking capacity is not high.

Method used

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  • Circuit breaker short-circuit protection device and plug-in circuit breaker
  • Circuit breaker short-circuit protection device and plug-in circuit breaker
  • Circuit breaker short-circuit protection device and plug-in circuit breaker

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Embodiment Construction

[0029] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is carried out on the premise of the technical solution of the present invention, and detailed implementation and specific operation process are given, but the protection scope of the present invention is not limited to the following embodiments.

[0030] Such as Figure 1~3 As shown, this embodiment provides a short circuit protection device for a circuit breaker, including an electromagnetic tripping module 1 and an arc extinguishing module 2 . The arc extinguishing module 2 is installed on the right side of the electromagnetic tripping module 1 . Specifically:

[0031] The electromagnetic trip module 1 includes an iron core assembly 11 , a coil 12 and a yoke bracket 13 . The iron core assembly 11 is installed on the yoke bracket 13 . Such as Figure 4 As shown, the yoke bracket 13 includes a top plate 13a, a bottom plate...

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Abstract

The invention relates to a circuit breaker short-circuit protection device and a plug-in circuit breaker. The circuit breaker short-circuit protection device comprises an electromagnetic tripping module and an arc extinguishing module. The arc extinguishing module is mounted on one side of the electromagnetic tripping module; the protection device is characterized in that the arc extinguishing module comprises a static contact, an arc striking angle component, a static arc angle component and an arc extinguishing chamber. An opening of the arc extinguishing chamber faces the electromagnetic tripping module; the arc striking angle part is arranged at the upper end of the arc extinguishing chamber and is bent downwards above the opening of the arc extinguishing chamber to form an arc striking angle; the static arc angle component is installed at the lower end of the arc extinguishing chamber and is bent upwards below the opening of the arc extinguishing chamber to form a static arc angle, the arc striking angle corresponds to the static arc angle in position, one end of the static contact extends into the static arc angle, and the other end of the static contact is connected with theelectromagnetic tripping module. Compared with the prior art, the breaking capacity of the circuit breaker can be remarkably improved.

Description

technical field [0001] The invention relates to the technical field of circuit breakers, in particular to a circuit breaker short-circuit protection device and a plug-in circuit breaker. Background technique [0002] In recent years, plug-in circuit breakers have become more and more widely used, especially with the rapid development of the 5G industry, the demand for 5G cabinets is increasing, and the plug-in circuit breakers used in conjunction with them have attracted more and more attention from manufacturers. Currently, most plug-in circuit breakers have limited breaking capacity due to their unique shape and size limitations, and the reliability of the breaking capacity is not high. Contents of the invention [0003] The object of the present invention is to provide a circuit breaker short-circuit protection device and a plug-in circuit breaker in order to overcome the above-mentioned defects in the prior art. [0004] The purpose of the present invention can be ach...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H73/18H01H71/24
CPCH01H71/24H01H73/18
Inventor 李海茭史胜余许利战祁卫华
Owner DELIXI ELECTRIC
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