Portable micro hollow cathode discharge plasma jet device

A discharge plasma and micro-hollow cathode technology, which is applied in the direction of plasma, can solve the problems of unreasonable design of discharge electrodes, large volume of excitation source, high temperature of plasma gas, etc., to increase the number of high-energy electrons and excitation coefficient, and improve discharge efficiency. power, avoiding the effect of heating

Inactive Publication Date: 2018-11-20
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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Problems solved by technology

[0006] Aiming at the problems of unreasonable discharge electrode design, bulky excitation source, and high plasma gas temperature in the above-mentioned portable plasma jet device, the purpose of

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  • Portable micro hollow cathode discharge plasma jet device
  • Portable micro hollow cathode discharge plasma jet device

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Embodiment Construction

[0027] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0028] A portable micro-hollow cathode discharge plasma jet device, such as figure 1 As shown, it includes a micro-hollow cathode discharge electrode, an excitation source module, a gas supply module and an insulating casing 11 . The insulating shell wraps the micro-hollow cathode discharge electrode, the excitation source module and the gas supply module inside. The insulating shell can be pistol-shaped, cylindrical, conical or elliptical, and the material of the insulating shell is polytetrafluoroethylene or PMMA (polymethyl methacrylate). In this embodiment, the insulating casing 11 is selected a

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Abstract

The invention relates to a portable micro hollow cathode discharge plasma jet device, comprising a micro hollow cathode discharge electrode, an excitation source module, a gas supply module and an insulating housing, wherein the insulating housing wraps the micro hollow cathode discharge electrode, the excitation source module and the gas supply module in the interior, and a nozzle is arranged atthe front end of the insulating housing. The excitation source module comprises a charging lithium battery, a low-voltage DC voltage stabilizing circuit, a DC voltage boosting circuit, a high-voltagepulse generator and an impedance matching circuit electrically connected in turn, wherein the impedance matching circuit is connected with a micro hollow cathode discharge electrode, the air supply module is connected with the micro hollow cathode discharge electrode and is directly supplied with power by the low-voltage DC voltage stabilizing circuit. As the portable micro-hollow cathode discharge plasma jet device uses air as a gas source, the portable micro-hollow cathode discharge plasma jet device can get rid of the gas supply problem of rare gas, solve the problem of converting glow discharge to arc discharge at high pressure, and generate air glow plasma.

Description

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Claims

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Application Information

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Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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