Multifunctional SF6 valve with temperature compensation and high sealing performance

A technology of temperature compensation and high sealing, which is applied in the field of SF6 valves, can solve the problems of poor corrosion resistance, easy aging and short service life, and achieve the effects of overcoming temperature sensitivity, improving sealing performance, and improving sealing performance

Inactive Publication Date: 2014-09-24
叶平
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] The object of the present invention is to provide a multi-functional SF with temperature compensation and high sealing performance 6 (Sulfur hexafluoride) valves mainly solve the technical problems of the above-mentioned prior art. It can greatly improve the sealing performance of the product, especially it can well overcome the sealing material's sensitivity to temperature, easy aging, short service life and corrosion resistance. Defects such as poor performance, improve SF 6 Valve sealing performance

Method used

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  • Multifunctional SF6 valve with temperature compensation and high sealing performance

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Embodiment Construction

[0024] Such as figure 2 As shown, the present invention discloses a multifunctional SF with temperature compensation and high sealing performance 6 valve. As shown in the figure: it includes a valve body 101, the valve body 101 has a first interface connected to the user air chamber, a second interface with a built-in air supply self-sealing joint, a third interface for connecting an instrument, and a third interface for controlling the first The fourth interface of the air-off operation of the first interface; the valve ball 102 in the first interface is provided with a floating upper sealing ring seat 104 with a sealing material 103 on the side close to the direction of the second interface, and above the floating upper sealing ring seat 104 There is a floating baffle 105 with a built-in air-supply self-sealing joint 107 , and the floating baffle 105 is connected to the inner end of the spring 106 of the built-in air-supply self-sealing joint 107 .

[0025] Through the ab...

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Abstract

The invention relates to power transmission and transformation industries and/or high-voltage electrical products, in particular to a multifunctional SF6 (sulfur hexafluoride) valve with temperature compensation and high sealing performance. The multifunctional SF6 valve comprises a valve body, the valve body is provided with a first port connected with a user air chamber, a second port, a third port used for being connected with an instrument and a fourth port used for controlling air connection and air disconnection of the first port, wherein an air complementing self-sealing connector is arranged in the second port. The multifunctional SF6 valve is characterized in that a floating upper sealing ring base made of sealing materials is arranged on the side, close to the direction of the second port, of a valve ball in the first port, a floating baffle is arranged above the floating upper sealing ring base, an air complementing self-sealing connector is arranged in the floating baffle, and the floating baffle is connected with the inner end of a spring, and an air complementing self-sealing connector is arranged in the spring. The multifunctional SF6 valve can greatly improve the sealing performance of products and especially can overcome the defects that the sealing materials are sensitive to temperature, easy to age, short in service life, poor in corrosion resistance and the like, and the sealing performance of the SF6 valve is improved.

Description

technical field [0001] The invention relates to the power transmission and transformation industry and / or high-voltage electrical products, especially a multifunctional, temperature-compensated and high-sealing SF 6 (sulfur hexafluoride) valve. Background technique [0002] At present, high-voltage electrical products usually refer to electrical equipment with a voltage level of 10kv and above in the power transmission and transformation industry. However, when the high-voltage electrical products in the line need to be opened and closed due to work, in the normal air medium, the strong arc generated by the high voltage will burn out the internal components of the electrical products, so sulfur hexafluoride SF6 gas has a kind of insulation and extinction The inert gas with good arc performance has been widely used in power transmission and transformation and high-voltage electrical industries. Because it can fully and safely extinguish the arc generated when opening and cl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/20F16K27/06
CPCF16K5/201F16K5/0689F16K27/067
Inventor 叶平
Owner 叶平
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