Electric locomotive and vacuum circuit breaker

A vacuum circuit breaker and vacuum bubble technology, which is applied to high-voltage air circuit breakers, circuits, electric switches, etc., can solve the problems of heavy product quality, large volume, loose insulation body and metal accessories, etc., and achieve low failure rate and small size Effect

Active Publication Date: 2016-02-10
ZHUZHOU ELECTRIC LOCOMOTIVE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Products installed on the roof exposed to heavy pollution or humid air, there is a potential failure of the main circuit of the circuit breaker to discharge to the ground. Inconvenient, resulting in the entire high-voltage box having to adopt a larger shell
In ter

Method used

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  • Electric locomotive and vacuum circuit breaker
  • Electric locomotive and vacuum circuit breaker
  • Electric locomotive and vacuum circuit breaker

Examples

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Example Embodiment

[0023] This application provides a vacuum circuit breaker, which realizes the provision of a smaller and more compact vacuum circuit breaker. The application also provides an electric locomotive including the above-mentioned vacuum circuit breaker.

[0024] The following describes the technical solutions in the embodiments of the present application clearly and completely in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

[0025] figure 1 The schematic diagram of the structure of the vacuum circuit breaker provided by this application; figure 2 The schematic diagram of the high-voltage part of the vacuum circuit b...

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Abstract

The invention provides a vacuum circuit breaker which comprises a base plate, a high-voltage part arranged above the base plate, and a low-voltage control driving part arranged below the base plate, wherein the high-voltage part comprises an insulator and a high-voltage input end, a grounding end, a vacuum bubble and a high-voltage output end which are encapsulated in the insulator in a non-detaching manner. As the high-voltage input end, the grounding end and the high-voltage output end are encapsulated in the insulator in the non-detaching manner to form an integrated structure, the fault rate can be reduced; and meanwhile, the vacuum circuit breaker with a smaller size and a more compact structure is provided. The invention further provides an electric locomotive comprising the vacuum circuit breaker.

Description

technical field [0001] The present application relates to the technical field of electric locomotive equipment, and more specifically, relates to a vacuum circuit breaker. The present application also relates to an electric locomotive comprising the above-mentioned vacuum circuit breaker. Background technique [0002] Vacuum circuit breakers are important electrical components on rail transit electric locomotives and EMUs. When the EMU fails, the input power can be cut off quickly and effectively to protect the personal safety of the operators and the safety of the equipment. [0003] With the rapid development of rail transit equipment technology, electric locomotives and EMU systems have higher and higher requirements for vacuum circuit breaker technology. In the prior art, most of the existing vacuum circuit breakers of international and domestic electric locomotives and EMUs are installed on the roof, and the main circuit part is exposed and installed. Environmental c...

Claims

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Application Information

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IPC IPC(8): H01H33/66H01H33/662
CPCH01H33/66H01H33/662
Inventor 索建国廖乡萍王泰杰李涛蒋聪健张彦林许晓勤
Owner ZHUZHOU ELECTRIC LOCOMOTIVE CO
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