SF6 circuit breaker rubber sealing ring airtightness test device

A technology of rubber sealing ring and test device, which is used in liquid/vacuum degree measurement for liquid tightness, by detecting the appearance of fluid at the leak point, etc., can solve the problem of difficult to control the sealing ring, and the judgment of the sealing ability of the sealing ring is not quantified. And other issues

Pending Publication Date: 2022-03-18
STATE GRID HEILONGJIANG ELECTRIC POWER CO LTD ELECTRIC POWER RES INST +2
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] In the prior art, the judgment of the sealing ability of the sealing ring is not quanti

Method used

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  • SF6 circuit breaker rubber sealing ring airtightness test device
  • SF6 circuit breaker rubber sealing ring airtightness test device

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Embodiment Construction

[0016] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on this embodiment, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0017] Such as figure 1 As shown, the SF6 circuit breaker aging rubber sealing ring airtightness test and gas recovery device includes an airtight test box 1 , a water tank 11 , a fixed bracket 10 and a gas recovery system 12 .

[0018] An upper splint 3 and a lower splint 7 are installed on the airtight test box 1 , and the two splints are fixed with bolts 4 . An annular groove 2 is installed on the lower splint 7, which is used to install the tested aging rubber s...

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Abstract

The invention belongs to the field of electrical sealing performance testing, and particularly relates to an SF6 circuit breaker rubber sealing ring airtightness testing device. Comprising an airtight test box, a water tank, a fixed support and a gas recovery system. The SF6 circuit breaker aged rubber sealing ring air tightness test and gas recovery device can perform air tightness test on the aged rubber sealing ring, accurately judge whether the sealing element is invalid or not, and recover SF6 gas for test to avoid leakage of the SF6 gas. The sealing reliability can be effectively improved, safety accidents caused by SF6 density reduction due to gas leakage are reduced, the purposes of high SF6 recovery safety and prevention of leakage during SF6 recovery are achieved, and the operation stability of an electric power system is improved.

Description

technical field [0001] The invention belongs to the field of electrical sealing performance testing and discloses a SF 6 Circuit breaker rubber sealing ring air tightness test device. Background technique [0002] As a class of organic polymer compounds, rubber has high volume elasticity and low shape elasticity, as well as excellent mechanical strength, chemical stability and weather resistance, and is an ideal sealing material. [0003] O-shaped and rectangular rubber sealing rings are the most commonly used sealing forms, and are widely used in various oil-filled and inflated electrical equipment in power grids and power plants, such as high-voltage switch seals, transformer oil seals (diaphragms, capsules, flanges, etc.), electrolytic Power grid equipment such as capacitor seals, mechanism box seals, and terminal box seals, as well as hydraulic systems, rotating systems, and fuel systems in power plants. [0004] According to statistics, as of 2016, among the critical ...

Claims

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Application Information

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IPC IPC(8): G01M3/06
CPCG01M3/06
Inventor 张健张朋王悦宫铭辰梁建权张德文郭跃男兰森
Owner STATE GRID HEILONGJIANG ELECTRIC POWER CO LTD ELECTRIC POWER RES INST
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