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A kind of microwave plasma torch ignition method

A technology of microwave plasma and microwave plasma, which is applied in the direction of plasma, electrical components, etc., to achieve the effect of long life of parts and automatic ignition

Active Publication Date: 2021-07-27
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a microwave plasma torch ignition method for the above disadvantages, and how to solve the problem of how to avoid the tip discharge structure and the complicated auxiliary action ignition structure, realize automatic ignition, and make the microwave plasma torch reliable and stable, zero issues such as long component life

Method used

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  • A kind of microwave plasma torch ignition method
  • A kind of microwave plasma torch ignition method

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Experimental program
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Effect test

Embodiment 1

[0021] See attached Figure 1~2 . A microwave plasma torch ignition method, using a microwave plasma torch; the microwave plasma torch includes a microwave generator 1, a microwave delivery device 2, a shielding shell 3 and a discharge tube 4; the discharge tube 4 runs through the shielding shell 3; The shielding shell 3 is provided with a feed port; the feed port is used to receive the microwave input from the microwave generator 1 through the microwave delivery device 2; the discharge tube 4 is used to input the working gas and receive the microwave input from the feed port; The microwave generator 1 has at least a pulse wave mode of operation and a continuous wave mode of operation; comprising the following steps:

[0022] Step S10, inputting working gas into the discharge tube 4;

[0023] Step S20, the microwave generator 1 is turned on, and the working mode is set to the pulse wave working mode, and the microwave generator 1 inputs pulse waves to the working gas in the ...

Embodiment 2

[0027] See attached Figure 1~2 . A microwave plasma torch ignition method, using a microwave plasma torch; the microwave plasma torch includes a microwave generator 1, a microwave delivery device 2, a shielding shell 3 and a discharge tube 4; the discharge tube 4 runs through the shielding shell 3; The shielding shell 3 is provided with a feed port; the feed port is used to receive the microwave input from the microwave generator 1 through the microwave delivery device 2; the discharge tube 4 is used to input the working gas and receive the microwave input from the feed port; The microwave generator 1 has at least a pulse wave mode of operation and a continuous wave mode of operation; comprising the following steps:

[0028] Step S10, inputting working gas into the discharge tube 4;

[0029] Step S20, the microwave generator 1 is turned on, and the working mode is set to the pulse wave working mode, and the microwave generator 1 inputs pulse waves to the working gas in the ...

Embodiment 3

[0034] See attached Figure 1~2 . A microwave plasma torch ignition method, using a microwave plasma torch; the microwave plasma torch includes a microwave generator 1, a microwave delivery device 2, a shielding shell 3 and a discharge tube 4; the discharge tube 4 runs through the shielding shell 3; The shielding shell 3 is provided with a feed port; the feed port is used to receive the microwave input from the microwave generator 1 through the microwave delivery device 2; the discharge tube 4 is used to input the working gas and receive the microwave input from the feed port; The microwave generator 1 has at least a pulse wave mode of operation and a continuous wave mode of operation; comprising the following steps:

[0035] Step S10, inputting working gas into the discharge tube 4;

[0036] Step S20, the microwave generator 1 is turned on, and the working mode is set to the pulse wave working mode, and the microwave generator 1 inputs pulse waves to the working gas in the ...

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Abstract

The invention discloses a microwave plasma torch ignition method, which belongs to the field of microwave application technology. A microwave plasma torch is used; a working gas is input into a discharge tube; The generator inputs pulse waves to the working gas in the discharge tube through the microwave delivery device; confirm whether the working gas in the discharge tube generates plasma; the working gas in the discharge tube generates plasma, and the microwave generator switches the pulse wave working mode to continuous wave working mode , the microwave generator inputs continuous waves to the working gas in the discharge tube through the microwave delivery device. The microwave plasma torch ignition method of the present invention does not need a tip discharge structure such as a probe, avoids complicated probe action mechanisms, can realize automatic ignition, and has the characteristics of stability, reliability, and long service life of components.

Description

technical field [0001] The invention belongs to the field of microwave application technology, and in particular relates to a microwave plasma torch ignition method. Background technique [0002] The plasma is generated in the discharge tube of the microwave plasma torch, and the electric field strength of the generating device is required to reach the breakdown field strength of the working gas in order to ionize the working gas and generate active plasma components. The electric field strength required to excite the plasma at atmospheric pressure is often much higher than the electric field strength required to maintain the plasma, especially in the microwave plasma discharge, it is necessary to apply a high-intensity local electric field to excite the working gas discharge. For continuous wave microwave plasma discharge, it only needs to be ignited once and then removed from the excitation device to maintain the plasma discharge process through continuous microwave input ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H1/30
CPCH05H1/30
Inventor 黄卡玛杨阳朱铧丞
Owner SICHUAN UNIV
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