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A portable large-area plasma jet device and system

The technology of plasma and jet device is applied in the field of ion generation device, which can solve the problem of uneven plasma jet, and achieve the effects of low price, improved use efficiency, and improved uniformity

Active Publication Date: 2022-08-02
武汉海思普莱生命科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above defects or improvement needs of the prior art, the present invention provides a portable large-area plasma jet device and system, the purpose of which is to use a distributed resistance-needle series array electrode structure, and an independent needle electrode-jet flow The nozzle is connected to the gas pipeline to optimize the electric field distribution and improve the uniformity of large-area jet discharge, thus solving the technical problem of uneven plasma jet caused by the uneven electric field of the electrode in the prior art

Method used

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  • A portable large-area plasma jet device and system

Examples

Experimental program
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Effect test

Embodiment 1

[0046] like figure 1 , Figure 4 and Figure 5 As shown, a portable large-area plasma jet device provided by the present invention includes a casing 1 , a resistive blocking plasma generating mechanism, a boosting module 2 , a low-voltage power supply interface 3 , an air inlet interface 4 and a switch 5 .

[0047] The housing 1 is provided with a fixed cavity including a fixed plasma generating mechanism and a boosting module 2, and is made of insulating materials such as polytetrafluoroethylene resin.

[0048] The resistive barrier plasma generating mechanism includes a jet nozzle array 6 , a needle electrode array 11 , a resistor array 7 , and a high-voltage node 8 . Each jet nozzle of the jet nozzle array 6 corresponds to a needle electrode of the needle electrode array 11 The needle tip is located in the same independent gas pipeline 9, and the working gas enters the curved independent gas pipeline 9 from the main pipeline and is ejected from the jet nozzle.

[0049] T...

Embodiment 2

[0056] like figure 2 , Figure 4 and Figure 5 As shown, a portable large-area plasma jet device provided by the present invention includes a casing 1 , a resistive barrier plasma generating mechanism, a boosting module 2 , a low-voltage power supply interface 3 , an air inlet interface 4 , and a switch 5 .

[0057] The housing 1 is provided with a fixed cavity including a fixed plasma generating mechanism and a boosting module 2, and is made of insulating materials such as polytetrafluoroethylene resin.

[0058] The resistance-blocking plasma generating mechanism includes a jet nozzle array 6, a needle electrode array 11, a resistance array 7, and a high-voltage node 8. Each nozzle of the jet nozzle array 6 corresponds to the needle tip of a needle electrode of the needle electrode array. In the same independent gas pipe 9, the curved needle electrode is embedded in the corresponding gas pipe 9 through an insulated external independent channel. The length of the needle ele...

Embodiment 3

[0064] like image 3 , Figure 4 and Figure 5 As shown, a portable large-area plasma jet device provided by the present invention includes a housing 1 , a resistance-blocking plasma generating mechanism, a boosting module 2 , a low-voltage power supply interface 3 , an air inlet interface 4 , and a switch 5 .

[0065] The difference from Example 1 is that the independent gas pipeline 9 is connected to the main pipeline through a hose made of a flexible insulating material such as silica gel, the high-voltage node 8 is fixed in the housing, and the resistors in the resistor array 7 are connected by wrapped and insulated high-voltage wires. To the high-voltage node 8, the resistor body is wrapped by insulating material and embedded in independent pipes, each independent pipe can move freely within a certain space range, and can be used to deal with irregular three-dimensional surfaces.

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Abstract

The invention discloses a portable large-area plasma jet device and system, belonging to the technical field of plasma generating devices, comprising a casing, a jet nozzle array, a needle electrode array, a resistor array, a high-voltage node and a boosting module; The fixed cavity and main pipeline of the booster module; one end of the main pipeline is provided with an air inlet interface, and the other end is provided with a plurality of independent gas pipelines; each jet nozzle in the jet nozzle array is communicated with the corresponding gas pipeline, and the needle electrode array The plurality of needle electrodes are located in the corresponding plurality of gas pipes; the plurality of needle electrodes of the needle electrode array are respectively electrically connected with the plurality of resistors corresponding to the resistance array, and the plurality of resistors are all electrically connected with the high-voltage node; the high-voltage node It is electrically connected to the high voltage side of the booster module. The present invention optimizes the electric field distribution and improves the uniformity of large-area jet discharge by using the electrode structure of the distributed resistance-needle series array, and the independent needle-electrode-jet nozzle communicating with the gas pipeline.

Description

technical field [0001] The invention belongs to the technical field of plasma generating devices, and more particularly, relates to a portable large-area plasma jet device and system. Background technique [0002] Atmospheric pressure non-equilibrium plasma is a plasma generated under atmospheric pressure, and its electron temperature can be as high as tens of thousands of degrees, while the temperature of ions and neutral particles is much lower than the electron temperature, usually close to room temperature, so the gas temperature during discharge is also close to room temperature . The atmospheric pressure and low temperature plasma jet device can generate plasma jet under atmospheric pressure, and the object to be processed will not be limited by the size of the plasma discharge gap, and the operation is simple, and the temperature of the generated gas is low and the activity is high. [0003] With the wide application of low-temperature plasma in the field of biomedic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05H1/24
CPCH05H1/2406
Inventor 吕洋聂兰兰刘凤梧卢新培
Owner 武汉海思普莱生命科技有限公司
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