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Trip device for circuit breaker

A technology for tripping devices and circuit breakers, applied in emergency protection devices, circuits, contacts, etc., can solve problems such as reducing the reliability of tripping operations

Active Publication Date: 2015-04-29
LSIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can lead to a reduction in the reliability of the tripping operation due to delayed tripping

Method used

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  • Trip device for circuit breaker
  • Trip device for circuit breaker
  • Trip device for circuit breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] Referring to the accompanying drawings, a detailed description will now be given of a trip device for a circuit breaker of an exemplary embodiment.

[0033] image 3 is a perspective view of a trip device according to a first exemplary embodiment disclosed herein, Figure 4 is viewed from the opposite side image 3 Stereograms when , and Figure 5 yes image 3 exploded perspective view.

[0034] Such as Figure 3 to Figure 5 As shown, the tripping device 160 for a circuit breaker according to the first exemplary embodiment disclosed herein may include: a first connection terminal 62 connected to the power supply side, a second connection terminal 64 connected to the load side, and A bimetal 66 is connected on one side to the first connection terminal 62 and on the other side to the second connection terminal 64 so that current can flow.

[0035] The first connection terminal 62 and the second connection terminal 64 may serve as supports for supporting the bimetal ...

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PUM

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Abstract

A trip device for a circuit breaker disclosed herein includes a first terminal (62) connected to a power source side, a second terminal (64)connected to a load side, and a bimetal (66) having one side connected with the first terminal (62) and the other side connected with the second terminal (64), such that a current can flow therethrough, wherein the bimetal (66) comes in surface-contact with at least one of the first terminal (62) and the second terminal (64), with interposing an arc-resistive member (168a, 168b, 268a, 268b) therebetween.

Description

technical field [0001] The present specification relates to a tripping device for a circuit breaker, and in particular, to a tripping device using a bimetallic device as a tripping mechanism. Background technique [0002] Generally, a circuit breaker is an electrical device that uses a handle to manually open and close a circuit or automatically blocks the circuit by sensing a fault current (such as a short circuit current, etc.) to protect the load device and the circuit when a fault current occurs . [0003] In the following, refer to figure 1 and figure 2 , a tripping device for a circuit breaker according to the prior art will be described. [0004] Such as figure 1 The circuit breaker of the prior art shown may include a housing 10, fixed contacts 20 fixed to the housing 10, movable contacts 30 capable of contacting and detaching from the fixed contacts 20, opening and closing of the movable contacts 30. The switching mechanism 40, and the trip device 60 that sens...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/16
CPCH01H11/042H01H71/08H01H71/16H01H9/30H01H1/0233H01H1/025H01H2239/072
Inventor 吴基焕
Owner LSIS CO LTD