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Vacuum testing device for measuring gas Townsend discharge parameters

An experimental device, vacuum technology, applied in the direction of measuring device, measuring electricity, measuring electrical variables, etc., can solve the problems of low working pressure, large sealing design, difficulty, etc., to improve air tightness, prevent leakage and interference, ensure The effect of accuracy

Pending Publication Date: 2017-06-13
HARBIN UNIV OF SCI & TECH
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

During the experiment, the amount of sample used is small, the working air pressure is low, and there is reciprocating mechanical movement, but the traditional dynamic seal is difficult to meet the experimental requirements, which brings greater difficulty to the sealing design of the experimental device

Method used

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  • Vacuum testing device for measuring gas Townsend discharge parameters
  • Vacuum testing device for measuring gas Townsend discharge parameters

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Experimental program
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Embodiment Construction

[0020] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0021] combine figure 1 and figure 2 As shown, the invention discloses a vacuum experimental device for measuring gas Thomson discharge parameters, which is characterized in that it includes a photoelectric double-channel high-voltage sealing sleeve 1, a discharge chamber upper cover 2, a vacuum discharge chamber 5, and a vacuum discharge chamber Extended observation window 6, vacuum system connection flange 7, vacuum baffle valve 8, vacuum system connection airway 9, vacuum discharge chamber lower seat ring 10, vacuum discharge chamber lower cover 11, vacuum discharge chamber platform fixing screw hole 12, Bottom cover sealing bolt 13, vacuum electrode 15, lower electrode connecting wire 16, sealing transmission package 18, lower electrode screw 20, discharge gap 21, main observation window 22 of vacuum discharge chamber, expansion connection port 23 of vacuum dis...

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Abstract

The invention relates to the research field of gas discharge and gas insulation performance, especially a vacuum experimental device for measuring gas Thomson discharge parameters. The technical problem solved by the invention is to meet the measurement requirements of Thomson discharge parameters. The technical scheme of the invention Including the photoelectric double-channel high-voltage sealing sleeve passing through the upper cover of the discharge chamber to connect with the discharge gap, the Rogowski upper electrode is installed with an entrance for exciting electrons, the optical lens is designed to be replaceable, and the vacuum baffle valve connects the discharge chamber to the discharge chamber. It is connected with the vacuum system, and the sealed transmission package is installed on both sides of the lower cover of the discharge chamber. The discharge gap is connected with the vacuum electrode through the lower electrode connection line. The regulator inflates the discharge chamber through the sample gas channel. The vacuum discharge chamber is equipped with an extended observation window, a main observation window, and an extended connection port. The contact surfaces of each opening are sealed with fluorine rubber O-rings.

Description

technical field [0001] The invention relates to the research field of gas discharge mechanism and gas insulation performance, in particular to a vacuum experimental device for measuring gas Thomson discharge parameters. Background technique [0002] The Thomson discharge parameter of gas can be used to characterize the ability of gas to inhibit the development of discharge and the insulation performance, and can also be used to study the development mechanism of gas discharge. This parameter is very important in the fields of plasma physics and gas insulation. The main content of this experiment is to measure the discharge current of gas under different pressure, spacing and electric field strength. During the experiment, the amount of sample used is small, the working air pressure is low, and there is reciprocating mechanical movement, but the traditional dynamic seal can hardly meet the experimental requirements, which brings greater difficulty to the sealing design of the...

Claims

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Application Information

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IPC IPC(8): G01R31/16G01R31/12
CPCG01R31/16G01R31/1281
Inventor 邱睿付仲愈
Owner HARBIN UNIV OF SCI & TECH
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