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Fixation and encapsulation pole for all-condition intelligent vacuum circuit breaker

A technology of vacuum circuit breakers and solid-sealed poles, which is applied in the direction of high-voltage air circuit breakers, circuits, electrical components, etc., can solve the problems of low operating environment requirements, low external insulation level, difficulty in applying reliability, etc., and achieve applicable Wide range, simple and compact structure, and improved reliability and safety

Inactive Publication Date: 2015-02-25
CHANGGAO ELECTRIC GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Most of the traditional vacuum circuit breakers are neutral-point direct grounding systems, and the equipment operating environment requirements are low, so the external insulation level is obviously very low, and it is difficult to apply to natural environments and conditions such as high reliability requirements and underground, plateau, and coastal areas. Relatively bad occasions

Method used

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  • Fixation and encapsulation pole for all-condition intelligent vacuum circuit breaker
  • Fixation and encapsulation pole for all-condition intelligent vacuum circuit breaker
  • Fixation and encapsulation pole for all-condition intelligent vacuum circuit breaker

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Embodiment Construction

[0027] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0028] Such as Figure 1 to Figure 5 As shown, a solid-sealed pole for an all-working-condition intelligent vacuum circuit breaker of the present invention includes an insulating package body 3 and an insulating pull rod 9, a vacuum interrupter 12 is solidly sealed in the insulating package body 3, and the upper conductor 2 The rear end is electrically connected to the static end of the vacuum interrupter 12, the moving end of the vacuum interrupter 12 is connected to the sliding connection assembly 10, and the rear end of the lower conductor 4 is connected to the sliding connection assembly 10 through the finger spring, thus forming a vacuum The main circuit of the circuit breaker. The front ends of the upper conductor 2 and the lower conductor 4 are used to connect with the static contacts of the vacuum circuit breaker. The vacuum...

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Abstract

The invention discloses a fixation and encapsulation pole for an all-condition intelligent vacuum circuit breaker. The fixation and encapsulation pole comprises an insulating encapsulation body and an insulating pull rod. A vacuum arc-extinguishing chamber is fixed and encapsulated in the insulating encapsulation body. The movable end of the vacuum arc-extinguishing chamber is connected with a sliding connecting piece. The insulating pull rod is located at the lower portion of the insulating encapsulation body. One end of the insulating pull rod is connected with the movable end of the vacuum arc-extinguishing chamber which is fixed and encapsulated, and the other end of the insulating pull rod is connected with an operating rod which extends out of the insulating encapsulation body. The fixation and encapsulation pole has the advantages of being simple and compact in structure, low in cost, wide in application range, capable of improving reliability and safety and the like.

Description

technical field [0001] The invention mainly relates to the field of high-voltage switchgear in an electric power system, in particular to a solid-sealed pole for an intelligent vacuum circuit breaker under all working conditions. Background technique [0002] In the field of high-voltage switchgear in power systems, high-voltage vacuum circuit breakers are the most widely used products in power transmission and transformation equipment. Vacuum circuit breakers have completely occupied the market of 40.5kV and below systems due to their high reliability of arc extinguishing performance, long life, and no pollution to the environment and human body, and have been favored by the majority of users due to their small size and anti-pollution recognized. [0003] However, according to incomplete statistics, accidents caused by external insulation have accounted for more than 50% of 40.5kV and below, so how to effectively ensure the insulation level of switches is one of the import...

Claims

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Application Information

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IPC IPC(8): H01H33/66
CPCH01H33/66
Inventor 陈烂明文伟邹斌
Owner CHANGGAO ELECTRIC GROUP CO LTD
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