Five-prevention system of high-voltage switch cabinet

A high-voltage switchgear and isolating switch technology, applied in the field of high-voltage switchgear, can solve the problems of unreliability, jamming, easy jamming, etc., and achieve the effects of mechanical flexibility, simple structure and reliable function

Inactive Publication Date: 2015-02-25
昆明东控电器成套设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this movable program lock becomes unreliable because the movable program parts can be artificially changed, and there are multiple holes and pins for selective insertion and cooperation, which are also easy to be stuck and unreliable; Displacement, causing it to be stuck, etc., which makes it inconvenient to use

Method used

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  • Five-prevention system of high-voltage switch cabinet
  • Five-prevention system of high-voltage switch cabinet
  • Five-prevention system of high-voltage switch cabinet

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Embodiment Construction

[0019] Such as Figures 1 to 7 The five-proof system of the high-voltage switchgear shown: including the interlocking mechanism of the circuit breaker and the isolating switch, the interlocking mechanism of the isolating switch and the grounding switch, the interlocking mechanism of the grounding switch and the circuit breaker and the isolating switch, and the interlocking mechanism of the isolating switch and the lower door , the grounding switch and the lower door interlock mechanism, a total of five parts. The important improvement of the present invention is to set the combination of these five parts of the interlocking mechanism to form an interlocking program for correct operation program, successful operation, incorrect operation program, and unsuccessful operation. As for each part, there are many ways to realize the function. The present invention provides only preferred embodiments.

[0020] The first part: the interlock mechanism between the circuit breaker 60 and...

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Abstract

The invention relates to an anti-misoperation system in a high-voltage switch cabinet; a five-prevention system which has more reliable working performance comprises a circuit breaker and isolation switch interlocking mechanism, an isolation switch and grounding switch interlocking mechanism, a grounding switch, circuit breaker and isolation switch interlocking mechanism, an isolation switch and lower door interlocking mechanism, and a grounding switch and lower door interlocking mechanism; in the five-prevention system, the five interlocking mechanisms form a program interlocking system; and if the operation must be carried out according to programs, the operation succeeds when the programs are correct, and the operation fails if the operation programs are incorrect. According to the five-prevention system, the structure is simple, machinery is flexible, functions are reliable, and the five-prevention system is applicable to various cabinet models.

Description

technical field [0001] The invention relates to a high-voltage switchgear, in particular to an anti-misoperation operating system in the high-voltage switchgear. Background technique [0002] At present, the high-voltage switchgear of power supply and distribution equipment mainly consists of operating components such as vacuum circuit breakers, isolating switches, and grounding switches, as well as measuring and protecting components such as transformers to form a power supply circuit. [0003] In order to avoid short circuit or electric shock, equipment damage and personal injury or death caused by misoperation. GB / T3906-91 stipulates that the high-voltage switchgear should have five perfect anti-misoperation functions: (1) prevent wrong opening and closing circuit breaker; (2) prevent wrong opening and closing isolation switch with load; (3) prevent personnel (4) Close the grounding switch of the anti-static switch; (5) Send power at the closed position of the anti-groun...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H9/22H01H9/26
Inventor 陈迪
Owner 昆明东控电器成套设备有限公司
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