Moving-contact-reliably-contacted circuit breaker contact engagement depth measurement device

A technology of meshing depth and measuring device, which is applied in the direction of electromagnetic measuring device, electric/magnetic depth measurement, etc., can solve problems such as error-prone, large size data error, and difficulty in on-site measurement and acceptance, so as to achieve the effect of reasonable scheme and reliable contact

Inactive Publication Date: 2016-07-20
STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH +2
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  • Claims
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Problems solved by technology

Handcart switch, the process of cranking to the working position cannot be seen or touched by hand, so this original measurement method can only be used, and the size data error is very large, especially in summer high temperature season, when the temperature is above 35 ℃ Vaseline liquefies, making the indentation invisible or even non-existent, which brings great difficulties to the on-site measurement and acceptance, and cannot guarantee the accurate and reliable contact of the dynamic and static contacts of the handcart circuit breaker (must be in the case of power failure on the bus side and feeder side) ), and error-prone

Method used

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  • Moving-contact-reliably-contacted circuit breaker contact engagement depth measurement device

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Embodiment Construction

[0019] A closed armored high-voltage switchgear handcart-type circuit breaker contact engagement depth measurement device, including six sets of displacement sensors 1, six sets of displacement sensors are respectively installed in the A, B, C three-phase of the high-voltage switchgear handcart-type circuit breaker In the counterbore holes inside the six moving contacts 6, the power lines and signal lines are led out through the gaps in the circle of the moving contacts (plum blossom contacts), and lead out to the high-voltage switchgear through the space of the handcart circuit breaker, and the data processing device 2 are connected, and the data processing device is connected to a display device (such as a human-machine interface) 3. There is also a power supply unit 8 among the figures.

[0020] The data processing device adopts the existing mature data processing equipment (such as data acquisition card, etc.), and the display device can choose digital quantity display ins...

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Abstract

The invention discloses a moving-contact-reliably-contacted circuit breaker contact engagement depth measurement device, which comprises six sets of displacement sensors. The six sets of displacement sensors are arranged in A-B-C three-phase six moving contact internal counterbores of a high-voltage switch cabinet handcart-type circuit breaker respectively; a power line and a signal line are led out through circumferential gaps of a plum blossom contact, and a high-voltage switch cabinet is led out through space of the handcart-type circuit breaker and is connected with a data processing device; and the data processing device is connected with a display device. The device is reasonable in structure, convenient and accurate to measure.

Description

[0001] This application is a divisional application with application number 201410341258.8, application date 2014.7.18, and name "measuring device for contact engagement depth of handcart-type circuit breaker in closed armored high-voltage switchgear". technical field [0002] The invention relates to a device for measuring engagement depth of contacts of a handcart type circuit breaker in a closed armored high-voltage switch cabinet. Background technique [0003] High-voltage switchgear refers to the role of on-off, control or protection in power system power generation, transmission, distribution, power conversion and consumption. High-voltage switchgear is used as electrical products with a voltage level of 3.6kV~550kV, and high-voltage isolating switches And grounding switch, high-voltage load switch, high-voltage automatic recloser and sectionalizer, high-voltage operating mechanism, high-voltage explosion-proof power distribution device and high-voltage switchgear and o...

Claims

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Application Information

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IPC IPC(8): G01B7/26
CPCG01B7/26
Inventor 陆志辉陆佳南朱富云倪红军汪兴兴丁然曹新茅雷陈宇王鹏蒯晓东钱聪黄金鑫
Owner STATE GRID JIANGSU ELECTRIC POWER CO LTD NANTONG POWER SUPPLY BRANCH
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