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Gas insulated switchgear

A switchgear and cabinet technology, applied in switchgear, switchgear setting, electrical components, etc., can solve the problems of distraction, long time required for nitrogen filling, and labor restriction of operators, so as to liberate labor, The effect of improving production efficiency

Inactive Publication Date: 2015-12-09
黄石市金雀电气股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In a larger switchgear, it takes a long time to fill in nitrogen gas. On the one hand, the operator's monitoring of the instrument limits the operator's labor, and on the other hand, his attention is distracted with the increase of working hours.

Method used

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing and specific example, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention All modifications of the valence form fall within the scope defined by the appended claims of the present application.

[0024] refer to Figure 1 to Figure 3 The embodiment of the inflatable switchgear of the present invention will be further described.

[0025] Such as figure 1 with figure 2 As shown, an inflatable switch cabinet includes a cabinet body 1, and the cabinet body 1 is connected to a vacuum pump 52 through a vacuum pumping pipeline 51. The gas inside the body 1 is drawn out;

[0026] Furthermore, after vacuuming by the vacuum pump 52 , the interior of the cabinet 1 ...

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Abstract

The invention discloses a gas insulated switchgear. The gas insulated switchgear comprises a switchgear body which is communicated with a vacuumizing pump and provided with an air charging pump and a detection hole. The switchgear body is externally connected with a detection protection device used for detecting gas concentration in the switchgear body via the detection hole. According to the invention, by examining a protection device, the gas concentration of protection gas in the gearbox body and giving out a protection warning according to the gas concentration, labor force of on-site operators is reduced and production efficiency is increased.

Description

technical field [0001] The invention relates to an inflatable switch cabinet. Background technique [0002] Indoor AC high-voltage gas-insulated metal-enclosed switchgear (hereinafter referred to as "inflatable cabinet") is a new generation of switchgear. The main switch can use either a permanent magnet mechanism vacuum circuit breaker or a spring mechanism vacuum circuit breaker. The whole cabinet adopts air insulation. Combined with a SF6 gas compartment, it is both compact and expandable for distribution automation. The inflatable cabinet has the characteristics of compact structure, flexible operation, and reliable interlocking. It can provide satisfactory technical solutions for various applications (especially places with harsh environments) and different user requirements. The adoption of sensor technology and the latest protective relay, coupled with advanced technical performance and light and flexible assembly scheme, can fully meet the different needs of users. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B13/065G01N33/00
Inventor 金敏
Owner 黄石市金雀电气股份有限公司
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