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On-site automatic detection device of gas insulated switchgear

A technology of closed combined electrical appliances and automatic detection device, which is applied in the direction of testing dielectric strength, etc., can solve the problem of inability to automatically detect and other problems, and achieve the effects of fast detection speed, improved accuracy and improved detection efficiency.

Active Publication Date: 2010-05-19
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The on-site automatic detection device for gas-insulated and sealed combined electrical appliances provided by the invention solves the technical problem that the existing gas-insulated and sealed combined electrical appliances cannot be automatically detected online

Method used

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  • On-site automatic detection device of gas insulated switchgear
  • On-site automatic detection device of gas insulated switchgear
  • On-site automatic detection device of gas insulated switchgear

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Embodiment Construction

[0011] The on-site automatic detection device for gas-insulated and sealed combined electrical appliances, including gas-insulated and sealed combined electrical appliances 17, movable and retractable track frame 4, detection trolley 2 and a portable ultrasonic phased array scanning ultrasonic imaging detection system, the movable and retractable track frame 4 is movable It is arranged on the outside of the lower side of the gas-insulated and closed combined electrical appliance 17. A telescopic track 1 is arranged on the telescopic track frame 4. A detection trolley 2 is movable on the telescopic track 1. A detection trolley 2 is arranged on the detection trolley 2. The driving motor 3 drives the detection trolley 2 to move on the telescopic track 1 through the small pulley 8, the V-shaped transmission belt 6, the large pulley 5 and the small axle 14 in turn, and the driving motor 3 is fixedly arranged on the movable telescopic track. The electric control box 16 at one end of ...

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PUM

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Abstract

The invention discloses an on-site automatic detection device of a gas insulated switchgear (GIS), solving the technical problem that the current GIS can not undergo online live automatic detection. The device comprises a GIS (17), a movable telescopic track frame (4), a detection dolly (2) and a portable ultrasonic phased array scan imaging detection system. A telescopic track (1) and the detection dolly (2) are arranged on the telescopic track frame (4). A vertical bar (7) in the vertical direction of a drive motor (3) is arranged on the detection dolly (2). A sliding block (9) is movably arranged on the vertical bar (7) and is provided with a transverse bar (12) in the horizontal direction. A probe (13) is movably arranged on the transverse bar (12) and is connected with the portable ultrasonic phased array scan imaging detection system fixedly arranged in an electric cabinet (16). The device can diagnose the hidden defects wholly in advance.

Description

technical field [0001] The invention relates to a device for on-site automatic detection of gas insulated fully enclosed combined electrical appliances (Gas Insulated Switchgear, abbreviated as GIS). Background technique [0002] Gas Insulated Switchgear (GIS for short) is an advanced high-voltage electrical distribution device, and now generally uses SF 6 As an insulation and fire extinguishing medium, it has excellent electrical performance, and has the advantages of small footprint, all closed components, no environmental interference, high reliability, convenient operation, and less maintenance workload. It is widely used in substations and power grids. , electrified railway and other fields. With the increase of the operating life of the equipment, under the action of switch vibration and electric power, the movement of foreign matter and debris or the aging of insulation, etc., a partial discharge phenomenon occurs inside the equipment, which eventually develops into ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/12
Inventor 冀晋川李青王兴义
Owner STATE GRID CORP OF CHINA
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