Circuit breaker on-line detection sensor

A technology for detecting sensors and circuit breakers, applied in the field of sensors, can solve the problems of many electronic components, complicated operation, slow response speed, etc.

Active Publication Date: 2013-11-27
GUODIAN NANJING AUTOMATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The response speed of the measurement using the angle method is slow and the stability is not high; the angle method and the

Method used

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  • Circuit breaker on-line detection sensor

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[0015] The present invention will be further described below in conjunction with the accompanying drawings.

[0016] The sensor is composed of the following parts, starting from the upper part of the structure, it is the connecting screw 1, the insulating shell 2, the circuit board fixing block 3, the circuit board 4, the spring 5, the tightening nut 6, the connecting rod 7, the steel sleeve 8, and the guide sleeve 9 composition. Among them, the fixed block 3 presses the circuit board 4 into the guide sleeve 9, one end of the spring 5 is inserted into the outer circle of the guide sleeve 9, the connecting rod 7 is pressed on the other end of the spring 5, and the tightening nut 6 is worn on one side of the connecting rod 7, above After the parts are put into the part 8, the nut 6 is tightened and then riveted, embedded in the insulating shell 2, and the connecting screw 1 is embedded in the insulating shell 2. Including the circuit board, the circuit board includes a fixed gr...

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Abstract

The invention discloses a circuit breaker on-line detection sensor which comprises a circuit board. The circuit board comprises a fixed gate and a moving gate. The circuit breaker on-line detection sensor is characterized in that the fixed gate of the circuit board is tightly pressed in a cavity inside a guide sleeve, a guide sleeve body is arranged inside a ring of a spring, a shoulder protrusion of the guide sleeve is arranged outside the spring and is stressed at one end of the spring in a planar mode; an extension rod is pressed at the other end of the spring, wherein the extension rod is provided with a boss arranged inside the ring of the spring, the boss is fixedly connected with the moving gate of the circuit board, and one end of the fixed gate of the circuit board is fixed by a circuit board fixing block. The circuit breaker on-line detection sensor is simple in structure, high in resolution ratio and accuracy, high in measuring speed, low in power consumption and cost, and not high in requirement for a service environment.

Description

technical field [0001] The invention relates to a three-phase AC circuit breaker with a rated voltage below 40.5kV, which is used for detecting the change value of the circuit breaker in the opening and closing operation process, and belongs to the technical field of sensors. Background technique [0002] On-line detection of circuit breakers is the premise of realizing equipment condition maintenance and the key to ensure safe and reliable operation of equipment. The realization of dynamic online monitoring of equipment has changed the way of offline preventive testing in the past. [0003] In order to realize the operation monitoring of switchgear, it is necessary to extract various characteristic parameters of the switchgear during the operation process to characterize its state characteristics, which requires the use of various sensors. The key part of the intelligent switch is the sensing technology, the dynamic On-line monitoring requires perceptual and observable cha...

Claims

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Application Information

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IPC IPC(8): G01B7/02
Inventor 杨勇张浩
Owner GUODIAN NANJING AUTOMATION
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