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Tripping device for circuit breaker

A technology of tripping device and circuit breaker, which is applied in the direction of protection switch operation/release mechanism, etc., can solve the problems of complex structure, difficult assembly and high cost of tripping device, and achieve high qualified rate of finished products, strong stability and convenient installation Effect

Inactive Publication Date: 2016-04-27
ZHEJIANG ELECTRIC APPLIANCE & SWITCHGEAR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the existing tripping device has complex structure, difficult assembly and high cost

Method used

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  • Tripping device for circuit breaker
  • Tripping device for circuit breaker
  • Tripping device for circuit breaker

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] Embodiments of the present invention will be further described below in conjunction with accompanying drawings:

[0025] As shown in the figure, a tripping device for a circuit breaker includes a splint 1 on which a lock 2 , a magnetic flux converter 3 , a slider 4 , an elastic component 5 , an operating member 6 , and a shift lever 7 are provided.

[0026] The splint 1 includes a left splint and a right splint with the same structure, both of which are provided with a transverse guide groove 11, a longitudinal guide groove 12, and a draw groove 13. The left splint and the right splint are connected together by four connecting shafts 14, wherein the splint is connected The shaft 14 and the splint 1 can be connected by riveting, which is more convenient for processing and manufacturing.

[0027] The buckle 2 includes a hinged part 21, a buckle part 22, and a force receiving part 23. The buckle 2 is hinged to the splint 1 through the hinged part 21. The hinged part 21 is ...

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PUM

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Abstract

The invention provides a tripping device for a circuit breaker. The tripping device comprises a clamp plate, wherein a lock buckle, a flux converter, a slide block, an elastic assembly, an operation rod and a pulling rod are arranged on the clamp plate. The invention provides the fire-new-structure tripping device for the circuit breaker. Compared with the existing tripping device, the tripping device provided by the invention has the advantages that parts can be easily processed; the qualification rate of finished products is high; the stability is high; and the installation is convenient.

Description

technical field [0001] The invention relates to a circuit breaker, in particular to a tripping device for a circuit breaker. Background technique [0002] A circuit breaker refers to 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. [0003] The trip device is an important part of the circuit breaker, which is used to release the device that makes the circuit breaker open automatically. [0004] However, the existing tripping device has complex structure, difficult assembly and high cost. Contents of the invention [0005] In order to overcome the disadvantages of the background technology, the present invention provides a tripping device for a circuit breaker with simpler structure, easier assembly and lower cost. [0006] The technical solution adopted in the present invention: a tripping device for a circuit breaker, including a sp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/24H01H71/58
CPCH01H71/24H01H71/58
Inventor 林开志王建民吴晓平
Owner ZHEJIANG ELECTRIC APPLIANCE & SWITCHGEAR
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