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GIS air chamber decomposer detection device

A technology for detecting devices and decomposition products, which is applied to measuring devices, analyzing gas mixtures, and the structural details of gas analyzers, etc., can solve the problems that efficiency and detection accuracy need to be improved, not equipped, and many manual operation processes, etc. The effect of increased efficiency, reduced damage, and accurate data

Inactive Publication Date: 2020-06-23
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

We can see that the device does not have a device for precise control of the volume of the circulating gas, and the detection process is more manual, and the efficiency and detection accuracy need to be improved

Method used

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  • GIS air chamber decomposer detection device
  • GIS air chamber decomposer detection device
  • GIS air chamber decomposer detection device

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Effect test

Embodiment Construction

[0023] GIS discharge will produce SF 4 、SOF 2 , HF, H 2 S and SO 2 gas of equal composition, where H 2 S and SO 2 The gas components are more typical, so these two components are mostly used in the detection. The gas detection tube used for gas detection is a glass test tube filled with a certain amount of detection agent (ie indicator powder), and then the two ends of the glass tube are sealed. The detection agent is to coat some chemical reagents that can chemically react with the substance to be tested and change color on the inner surface of the gas detection tube. The choice of chemical reagents and its chemical concentration ratio on the carrier determine the material composition of the gas detection tube. and range. The detection of harmful gases in the air is based on the release of colored reactants and the formation of a "colored layer" when the measured sample passing through the tube reacts with the indicator powder in the tube. Usually, the gas detection tu...

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Abstract

The invention discloses a GIS air chamber decomposer detection device. The device comprises a body, a detection pipe mounting seat, a control unit, a gas flow meter, a barometer, an exhaust electromagnetic valve and a detection pipe electromagnetic valve, the detection operation of gas to be detected is completed under the control of the control unit, the precision is greatly improved, exhaust anddetection of various gases are seamlessly connected and continuously carried out, and the efficiency is greatly improved. A pressure reducing valve is further arranged on one side of the air source,air pressure fluctuation of to-be-detected air is greatly reduced, a thermometer is further arranged on one side of the second opening of the air flow meter and used for detecting the temperature of the air in real time, and obtained data are more accurate. The tail gas filtering area is arranged in the body and used for absorbing and filtering tail gas, and damage to the health of staff and lossof to-be-detected gas can be reduced. The cubic structure body with the observation window is convenient to carry and store, a worker can determine the gas content through the observation window according to scales of color changes, and use is convenient and fast.

Description

technical field [0001] The invention relates to the field of GIS gas cell discharge fault diagnosis, especially a method applied to SF 6 A device for detecting decomposition products after gas cell discharge. Background technique [0002] Gas-insulated metal-enclosed switchgear GIS (Gas Insulated Switchgear) is to put circuit breakers, disconnectors, grounding switches, busbars, transformers, lightning arresters and other main components into sealed metal shells, and fill them with insulating gas for insulation and arc extinguishing. medium. Traditional GIS equipment is mainly based on SF 6 As an insulation and arc extinguishing medium, the new environment-friendly GIS is also mostly used with SF 6 Strongly electronegative gases with similar properties are used as insulating and arc extinguishing media. SF 6 It is a colorless, odorless, non-toxic, non-flammable inert gas, and is also a strongly electronegative gas. Its electrical insulation strength is very high. In a u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00
CPCG01N33/0009
Inventor 杨世博尹子会白剑忠王涛胡伟涛欧阳宝龙付炜平刘海锋冯士桀王志远杨力源董彤杨凯楠齐超李增福刘婕王晓华张乾齐梦倩郭莉
Owner STATE GRID CORP OF CHINA
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