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Three-position operating mechanism work state monitoring method

A technology of operating mechanism and working status, which is applied to air switch parts, electrical components, electric switches, etc., and can solve the problems of incomplete and unreliable monitoring of working status

Active Publication Date: 2017-04-19
XJ ELECTRIC +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The invention discloses a method for monitoring the working state of a three-station operating mechanism, which is used to solve the problem of incomplete and unreliable monitoring of the working state of the three-station operating mechanism in the prior art

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Embodiment Construction

[0013] The present invention provides a method for monitoring the working state of the three-station operating mechanism, which can realize the whole-process monitoring of the three-station operating mechanism during the operation process. The implementation of the present invention will be further described below in conjunction with the accompanying drawings.

[0014] In the prior art, usually only a normally open signal is used to confirm the working status of the isolated or grounded position of the three-position operating mechanism. If the signal fails, it will cause the three-position operating mechanism to If you continue to move after reaching the isolation and grounding position, it will cause damage to the mechanism if it is serious. The present invention is respectively provided with microswitches at these two stations, and the structure of the microswitches is as follows: figure 1 As shown, it includes a normally closed contact 11 , a normally open contact 12 and a...

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Abstract

The invention relates to a three-position operating mechanism work state monitoring method comprising the following steps: setting monitor units in each station and middle position of the three-position operating mechanism; detecting signals formed in a station switching process of the three-position operating mechanism. The method can timely find out fault positions, thus effectively ensuring equipment operational safety and reliability.

Description

technical field [0001] The invention relates to the field of electrical switchgear, in particular to a method for monitoring the working state of a three-station operating mechanism. Background technique [0002] The three-position operating mechanism integrates the functions of the isolating switch and the grounding switch, including three working positions: the isolating close position, the divisional position, and the grounding close position. The control system of the three-station operating mechanism controls the operation of the three-station operating mechanism to realize the switching of the three working positions of the isolation joint position, the divisional position and the grounding joint position. In order to ensure the safe and reliable operation of the switchgear, it is necessary to design a reliable The method monitors the positions of the three-station operating mechanism during the working process. In the prior art, only one normally open signal is used ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H31/02H01H9/16
CPCH01H9/16H01H31/02
Inventor 张艳晓张鹏曹善军张杰赵成李燕燕纪江辉姜亚军赵玉芝郅娇娇王金芳王鹏王小丽王金雷杨思亮
Owner XJ ELECTRIC
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