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Holographic detection device and method for gas content in GIS switch

A technology for gas content and detection device, which is applied to measurement devices, analysis of gas mixtures, structural details of gas analyzers, etc., can solve the problems of poor representativeness of sample gas and large error in detection results, and achieves small error in calculation results, Simple to use effects

Inactive Publication Date: 2012-01-18
STATE GRID CHONGQING ELECTRIC POWER CO ELECTRIC POWER RES INST +1
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Problems solved by technology

[0005] In view of this, the purpose of the embodiment of the present invention is to provide a holographic detection device and method for gas content in a GIS switch to solve the problem that the representativeness of the sample gas obtained in the existing sampling bag method is not strong due to the fact that the sampling port is far away from the main body of the device, and the detection The problem of large error in the result

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  • Holographic detection device and method for gas content in GIS switch

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Embodiment Construction

[0035] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0036] The embodiment of the present invention discloses a holographic detection device and method for gas content in a GIS switch to solve the problem that the existing sampling bag method has a large detection error caused by the fact that the sampling port is far away from the main body of the device and cannot timely detect latent faults in the GIS switch. question.

[0037] figure 1 A structure of the gas content holographic detection device in th...

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Abstract

The embodiment of the invention discloses a holographic detection device for gas content in a GIS switch, which comprises a laser and a data processing system; the laser comprises a laser emitter and a laser receiver; the laser emitter and the laser receiver are fixed at a sampling port of the GIS switch through flanges, and are connected with the data processing system through optical cable. The embodiment of the invention also discloses a holographic detection method for gas content in a GIS switch, which comprises the following steps: emitting a laser beam into the inside of a GIS switch; receiving the laser beam from the inside of the GIS switch; calculating the hydrogen fluoride gas content inside the GIS switch based on the light intensity of the emitted laser beam and the light intensity of the received laser beam. In the embodiment of the invention, the laser beam runs through the inside of the GIS switch, so the detection results have less error, and can reflect the real condition of the inside of the GIS switch.

Description

technical field [0001] The invention relates to the field of detection of characteristic gas components in electrical equipment, in particular to a holographic detection device and method for gas content in a GIS switch. Background technique [0002] Since the 1970s, sulfur hexafluoride (SF 6 ) gas is widely used as an insulating medium for electrical equipment. However, due to blindness in design, material, process and maintenance, there may be local insulation defects inside the equipment. Under the action of heat and electricity, SF 6 The gas and solid insulating materials decompose continuously, and the insulating performance decreases continuously, which even leads to accidents. Therefore, how to detect potential faults and dangers in electrical equipment as early as possible and reduce the accident rate has always been one of the key research directions for electric workers. [0003] The study found that when SF 6 When a fault occurs inside an electrical device, th...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/17
CPCG01N21/031G01N21/359G01N33/0009G01N21/39
Inventor 姚强侯兴哲苗玉龙邱妮张继菊胡晓锐
Owner STATE GRID CHONGQING ELECTRIC POWER CO ELECTRIC POWER RES INST
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