Inflation cell evacuation helium test and insulated medium filling technical method

A process method and technology of insulating medium, which can be applied in the direction of detecting the appearance of fluid at the leakage point, using liquid/vacuum degree for liquid tightness measurement, circuit breaker test, etc. Low leak detection efficiency and detection accuracy, easy deformation of the inflatable compartment, etc., to achieve the effect of preventing deformation, high leak detection efficiency and detection accuracy, and reduced working area

A process method and technology of insulating medium, which can be applied in the direction of detecting the appearance of fluid at the leakage point, using liquid/vacuum degree for liquid tightness measurement, circuit breaker test, etc. Low leak detection efficiency and detection accuracy, easy deformation of the inflatable compartment, etc., to achieve the effect of preventing deformation, high leak detection efficiency and detection accuracy, and reduced working area

CN1851432AInactive Publication Date: 2006-10-25中航宝胜电气股份有限公司
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  • Inflation cell evacuation helium test and insulated medium filling technical method

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Embodiment Construction

[0013] Further illustrate the present invention in conjunction with accompanying drawing and embodiment, the process method of the present invention comprises the gas-filled compartment casing 7 that is carried out to the nitrogen filling inspection large leak, helium filling, leak detection process with the helium sensitive detector, also includes in nitrogen filling Place the airtight inflatable compartment box 7 in a sealable box 9 before detecting the large leak, and check the airtight inflatable compartment box 7 and the closed box 9 Carry out a synchronous vacuuming process, so that the internal and external pressure difference of the airtight inflatable compartment box 7 is basically close; after leak detection with a helium sensitive detector, the airtight inflatable compartment box 7 and the airtight box body 9 are synchronously filled Process, before the synchronous filling process after leak detection with a helium sensitive detector, the airtight inflatable compartm...

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Abstract

The invention relates to a charging traverse evacuating helium testing and insulating medium technology method that puts the charging traverse box in the sealing box and taking the process of adding nitrogen to test leakage and charging helium. Taking vacuuming to the charging traverse box and the sealing box and taking synchronization charging to ensure the pressure differential would not be over rated value, the distortion would be avoided. The nitrogen filling leakage testing is safe. It has high testing efficiency and high testing accuracy.

Description

technical field [0001] The invention relates to a process method for evacuating helium testing and filling an insulating medium for an inflatable compartment. The inflatable compartment is a component of a C-GIS high-voltage switchgear, and belongs to the technical field of metal-enclosed switchgear testing in high-voltage electricians. Background technique [0002] C-GIS high-voltage switchgear is a newly developed high-tech product. It is a switchgear that uses SF6 gas with excellent insulation performance as insulation. The dynamic sealing structure on the control the action of the components in the inflatable compartment. [0003] For C-GIS high-voltage switchgear, its core component is the three-phase integrated inflatable compartment, and the insulation performance of the equipment is completely guaranteed by the density of the insulating gas inside the three-phase integrated inflatable compartment. The existing inflatable compartment is a square box, and its existing...

Claims

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Application Information

Patent Timeline
25 Oct 2006
Publication
CN1851432A
IPC
G01M3/20; G01R31/327
Inventors
王士年; 陈勇