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27.5kv railway-used vacuum circuit breaker

A technology for vacuum circuit breakers and railways, applied in switchgear, pull-out switch cabinets, electrical components, etc., can solve the problems of railway vacuum circuit breakers with cabinets, installation, less use, and less ideal intelligent matching measures. , to achieve the effect of simple structure, strong breaking ability and good versatility

Inactive Publication Date: 2014-06-11
湖北湖开电气有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in my country's electrified railway system, there are still relatively few railway vacuum circuit breakers equipped with cabinets, installed and used, and the intelligent supporting measures are not very ideal.

Method used

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  • 27.5kv railway-used vacuum circuit breaker
  • 27.5kv railway-used vacuum circuit breaker

Examples

Experimental program
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Effect test

Embodiment Construction

[0019] Such as figure 1 and figure 2 As shown, the present invention includes a handcart composed of rollers 14 and a handcart frame 1, a high-voltage vacuum circuit breaker 4 with an operating mechanism is installed on the upper part of the handcart frame 1, and a handcart propulsion mechanism 2 is installed on the handcart frame 1 In the middle part, the interlocking device 3 installed on the upper part of the handcart propulsion mechanism 2 cooperates with the operating mechanism of the handcart propulsion mechanism 2 and the high-voltage vacuum circuit breaker 4 to realize interlocking, that is, the handcart propulsion mechanism 2 is used to make the handcart on and off. The high-voltage vacuum circuit breaker 4 cannot be closed and opened when the cabinet is pushed (or moved out), and only when the handcart enters the test position or working position, the high-voltage vacuum circuit breaker 4 can be closed and opened; at the same time, when the high-voltage vacuum When...

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PUM

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Abstract

A 27.5kV railway-used vacuum circuit breaker is provided. The 27.5kV railway-used vacuum circuit breaker includes a handcart composed of rolling wheels and a handcart frame; a high-voltage vacuum circuit breaker with an operating mechanism is installed at an upper portion of the handcart frame; a handcart advancing mechanism is arranged at the middle of the handcart frame; an interlocking device installed at an upper portion of the handcart advancing mechanism is matched with the handcart advancing mechanism and the operating mechanism of the high-voltage vacuum circuit breaker, such that reliable interlocking can be realized; an upper conductive plate is installed on an upper contact seat of the high-voltage vacuum circuit breaker; a lower conductive plate is installed at a lower portion of the high-voltage vacuum circuit breaker through a zinc oxide arrester; isolating contacts are installed at end heads of the upper conductive plate and the lower conductive plate; a travel switch and a grounding contact are installed at the bottom of the handcart frame; and a hand-cranking handle advancing hole is formed in a vacuum circuit breaker panel. The 27.5kV railway-used vacuum circuit breaker provided by the invention is advantageous in favorable universality, simple structure, strong breaking capacity, long service life and complete operation functions, and is especially suitable for important load disconnection and frequent operation of electrified railways.

Description

technical field [0001] The invention relates to a distribution and power supply device for an electrified railway, in particular to the occasion of a power transmission and transformation station for a 27.5kV electrified railway. Background technique [0002] At present, in my country's electrified railway system, there are still relatively few railway vacuum circuit breakers equipped with cabinets, installed and used, and the intelligent supporting measures are not very ideal. Therefore, it is necessary to design a vacuum circuit breaker for railways with small size, complete functions and high reliability. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a 27.5kV vacuum circuit breaker for railways, which has good versatility, simple structure, strong breaking capacity, long life, and complete operating functions, especially suitable for breaking important loads and frequent breakouts of electrified railways. o...

Claims

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Application Information

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IPC IPC(8): H02B11/133
Inventor 黄海涛冯子友李家兴
Owner 湖北湖开电气有限公司
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