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Gas discharge experiment instrument

A gas discharge and experimental instrument technology, applied in the field of teaching equipment, can solve the problems of difficult replacement and supplementation, prolong the experimental time, and high cost of use, and achieve the effects of saving the cost of the experimental site and equipment, expanding the experimental scope, and convenient position adjustment.

Inactive Publication Date: 2015-03-25
HEFEI UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In teaching and scientific research places, the existing gas discharge experimental equipment generally contains only one gas discharge vacuum tube, that is, one voltage source alone provides working power for one vacuum tube, and the discharge gas in the vacuum tube is fixed after the vacuum tube is made. , it is not easy to replace and replenish, and the vacuum degree in the vacuum tube will drop after a long time of use
This makes the equipment cost high, the experimental phenomenon is single, and the performance is unstable
If you want to observe different gas discharge phenomena, you need multiple experimental equipment, occupying the experimental site, complicated operation, and prolonging the experimental time

Method used

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Embodiment Construction

[0019] see figure 1 , the structure of the gas discharge tester in this embodiment is set to include:

[0020] An adjustable voltage source 1, used to provide the voltage required for the experiment;

[0021] A vacuum pump 2, used to provide the vacuum required for the experiment;

[0022] A group of experimental vacuum tubes 4 are fixed on the support 3;

[0023] A multi-way joint 5 is arranged in the vacuum circuit of the vacuum tube 4;

[0024] Such as figure 1 with image 3 As shown, the electrodes at both ends of each vacuum tube 4 are arranged in parallel on the voltage output end of the adjustable voltage source 1; the multi-way joint 5 is to form a main channel for vacuuming by connecting a main interface 5a with the vacuum port of the vacuum pump 4; the multi-way The joints 5 are connected with the vacuum ports of the vacuum tubes 4 through the corrugated tubes 6 in a one-to-one correspondence with each sub-port 5b to form each vacuum branch channel; the vacuum t...

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Abstract

The invention discloses a gas discharge experiment instrument, which is characterized by comprising an adjustable voltage source, a vacuum pump, a set of experiment vacuum tubes fixedly arranged on a bracket and a multipass connector arranged in a vacuum-pumping circuit, wherein electrodes at two ends of the vacuum tubes are arranged at a voltage output end of the adjustable voltage source in parallel; a main interface of the multipass connector is communicated with a vacuum-pumping port of the vacuum pump so as to form a vacuum-pumping main channel, and branch interfaces of the multipass connector are communicated with vacuum-pumping ports of the vacuum tubes in a one-to-one correspondence mode through corrugated tubes so as to form vacuum-pumping branch channels; and the set of the experiment vacuum tubes are vacuum tubes of the same type or of different types selected according to settings. According to the invention, a plurality of vacuum tubes are arranged on the same experiment device, the selected vacuum tubes are different in electrode materials, or electrode shapes or different types of discharge gas, and different gas discharge experiments are carried out continuously, thereby greatly saving the experiment field and the equipment cost.

Description

technical field [0001] The invention relates to a gas discharge experimental instrument, more specifically an experimental device for researching gas discharge phenomena in a vacuum environment, and is especially suitable as a teaching tool. Background technique [0002] Gas discharge is a common physical phenomenon. Depending on the degree of vacuum, gas properties, applied voltage, electrode shape, power input signal frequency, container and electrode materials, etc., gas discharge has various forms. The main forms are dark discharge, Glow discharge, arc discharge, corona discharge, spark discharge, high-frequency discharge, etc., the research on this phenomenon is of great significance. In teaching and scientific research places, the existing gas discharge experimental equipment generally contains only one gas discharge vacuum tube, that is, one voltage source alone provides working power for one vacuum tube, and the discharge gas in the vacuum tube is fixed after the vac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B23/18
Inventor 汪洪波黄稳王宇钱铖
Owner HEFEI UNIV OF TECH
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