CN201528464U - Novel atmospheric pressure jet flow cold plasma generator - Google Patents
Novel atmospheric pressure jet flow cold plasma generator Download PDFInfo
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- CN201528464U CN201528464U CN2009201876510U CN200920187651U CN201528464U CN 201528464 U CN201528464 U CN 201528464U CN 2009201876510 U CN2009201876510 U CN 2009201876510U CN 200920187651 U CN200920187651 U CN 200920187651U CN 201528464 U CN201528464 U CN 201528464U
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- metal electrode
- insulated tube
- insulated pipe
- plasma generator
- cold plasma
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Abstract
The utility model discloses a novel atmospheric pressure jet flow cold plasma generator, which comprises an insulated pipe which is characterized in that a circular turnover is arranged on the external side on the front end of the insulated pipe; the circular turnover is provided with a circular sheet shape external metal electrode; the end of the insulated pipe is curved to form an air inlet; an internal metal electrode penetrates inside the insulated pipe; one end of the internal metal electrode passes by the curved end of the insulated pipe; and the other end of the internal metal electrode extends to the front end of the insulated pipe; a jet flow plasma area is formed on the front end outlet of the insulated pipe; and the internal metal electrode is located in the center of the insulated pipe. The utility model could reduce the discharge area without decreasing the plasma jet flow quantity, lowers operating temperature, facilitates to be hand-held and operated, and has simple structure and reliable operation.
Description
Technical field
The utility model relates to the plasma processing apparatus field, is specifically related to a kind of novel air injection stream cold plasma generator field.
Background technology
The plasma that atmospheric dielectric barrier discharge produces has a wide range of applications at aspects such as material surface modifying, sterilization, plasma clean, but because the spacing of dielectric barrier discharge electrode gap generally has only several millimeters, therefore processed body form is restricted, thereby has limited the application of atmospheric dielectric barrier discharge.And adopt dielectric barrier discharge to produce the jet cold plasma mainly is to form long jet cold plasma at the jet hole place of device, processed like this object can be placed on the jet hole place can be by plasma treatment, and body form no longer is subjected to the restriction of electrode spacing.Yet, the device of present most of jet cold plasma dielectric barrier discharges adopts the coaxial outer tubular electrode of cylindrical interior electrode and close length to form mostly, separates with quartz or earthenware between two electrodes, interior electrode and radio-frequency power are coupled or connect high voltage source high-pressure side, external electrode ground connection.Although this device nozzle mouth position can produce the jet cold plasma, but the discharge of very most plasma is to produce between two electrodes, and this is that we are unwanted generally speaking, and the higher temperature that produces owing to interelectrode discharge, cause generally need taking cooling provision, be not easy to the handheld portable operation.
The utility model content
The technical problems to be solved in the utility model provides a kind of novel air injection stream cold plasma generator, can avoid or reduce interelectrode discharge, thereby reduce power in interelectrode loss, reduce the device operating temperature, improve the stable and portable of device operation.
For addressing the above problem, the technical solution of the utility model is as follows:
Cold plasma generator is flowed in a kind of novel air injection, include insulated tube, it is characterized in that: described insulated tube front end is placed with the annular slice metal electrode, and be insulated the cover coating, the afterbody of described insulated tube has an air admission hole, crossed interior metal electrode in the described insulated tube, metal electrode one end passes the end of described insulated tube in described, the metal electrode other end is stretched over the front end of described insulated tube in described, and in formation jet plasma district, described insulated tube front end exit place, described interior metal electrode is positioned at the insulated tube center.
Cold plasma generator is flowed in described novel air injection, it is characterized in that: when cold plasma generator is flowed in described novel air injection for two medium discharge, described in the metal electrode outer wall also be coated with one deck insulative.
Cold plasma generator is flowed in described novel air injection, it is characterized in that: metal electrode is cylindrical in described.
Cold plasma generator is flowed in described novel air injection, it is characterized in that: when cold plasma generator is flowed in described novel air injection for two medium discharge, described in the metal electrode outer wall also be coated with one deck insulative.
Cold plasma generator is flowed in described novel air injection, it is characterized in that: metal electrode is cylindrical in described.
The beneficial effects of the utility model:
The utility model can reduce region of discharge under the prerequisite that does not reduce the plasma jet size, reduced working temperature, is convenient to the hand-portable operation, and is simple in structure, and reliable.
Description of drawings
Fig. 1 is the utility model (single dielectric barrier discharge) structural representation.
Fig. 2 is the utility model (double-dielectric barrier discharge) structural representation.
Embodiment
Referring to Fig. 1,2, cold plasma generator is flowed in a kind of novel air injection, include insulated tube 1, it is characterized in that: the outside of insulated tube 1 front end comprises insulating case 2, be placed with the outer metal electrode 3 of annular slice in the insulating case 2, the afterbody of insulated tube 1 is opened an air admission hole 4, cylindrical in metal electrode 5 inwardly through insulated tube 1 and extend to the front end of insulated tube 1, and in formation jet plasma district, insulated tube 1 front end exit place 6, cylindrical interior metal electrode 5 is positioned at the insulated tube center.
When cold plasma generator is flowed in the novel air injection for two medium discharge, cylindrical in metal electrode 5 outer walls also be coated with one deck insulative 7.
Claims (3)
1. cold plasma generator is flowed in a novel air injection, include insulated tube, it is characterized in that: described insulated tube front end is placed with the annular slice metal electrode, and be insulated the cover coating, the afterbody of described insulated tube has an air admission hole, crossed interior metal electrode in the described insulated tube, metal electrode one end passes the end of described insulated tube in described, the metal electrode other end is stretched over the front end of described insulated tube in described, and in formation jet plasma district, described insulated tube front end exit place, described interior metal electrode is positioned at the insulated tube center.
2. cold plasma generator is flowed in novel air injection according to claim 1, it is characterized in that: when cold plasma generator is flowed in described novel air injection for two medium discharge, described in the metal electrode outer wall also be coated with one deck insulative.
3. cold plasma generator is flowed in novel air injection according to claim 1, it is characterized in that: metal electrode is cylindrical in described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201876510U CN201528464U (en) | 2009-09-18 | 2009-09-18 | Novel atmospheric pressure jet flow cold plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201876510U CN201528464U (en) | 2009-09-18 | 2009-09-18 | Novel atmospheric pressure jet flow cold plasma generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201528464U true CN201528464U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201876510U Expired - Fee Related CN201528464U (en) | 2009-09-18 | 2009-09-18 | Novel atmospheric pressure jet flow cold plasma generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201528464U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361528A (en) * | 2011-09-29 | 2012-02-22 | 西安交通大学 | High-impermeability capillary tube discharging plasma generator |
| CN102595757A (en) * | 2012-03-19 | 2012-07-18 | 河北大学 | Three-electrode discharge device for generating large-volume atmosphere pressure plasma |
| CN102752951A (en) * | 2012-07-04 | 2012-10-24 | 大连民族学院 | Atmospheric-pressure low-temperature plasma generation device and application of device to prevention of plant disease |
| CN104883806A (en) * | 2015-03-06 | 2015-09-02 | 苏州大学 | Plasma jet device and assembly, and crystalline silicon battery surface oxidation and decontamination method |
| CN106231771A (en) * | 2016-08-31 | 2016-12-14 | 大连民族大学 | A kind of protection mechanism of plasma laryngoscope sterilizing unit |
| CN106856644A (en) * | 2017-01-04 | 2017-06-16 | 京东方科技集团股份有限公司 | Plasma jet device |
| DE102016209097A1 (en) * | 2016-03-16 | 2017-09-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | plasma nozzle |
| CN108322984A (en) * | 2018-01-29 | 2018-07-24 | 中国科学院电工研究所 | Focus the device and method of cold plasma processing 3D objects |
| WO2021243966A1 (en) * | 2020-06-01 | 2021-12-09 | 深圳先进技术研究院 | Atmospheric pressure radio frequency thermal plasma generator based on pre-ionization ignition device |
-
2009
- 2009-09-18 CN CN2009201876510U patent/CN201528464U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102361528B (en) * | 2011-09-29 | 2012-11-28 | 西安交通大学 | High-impermeability capillary tube discharging plasma generator |
| CN102361528A (en) * | 2011-09-29 | 2012-02-22 | 西安交通大学 | High-impermeability capillary tube discharging plasma generator |
| CN102595757A (en) * | 2012-03-19 | 2012-07-18 | 河北大学 | Three-electrode discharge device for generating large-volume atmosphere pressure plasma |
| CN102595757B (en) * | 2012-03-19 | 2014-11-05 | 河北大学 | Three-electrode discharge device for generating large-volume atmosphere pressure plasma |
| CN102752951A (en) * | 2012-07-04 | 2012-10-24 | 大连民族学院 | Atmospheric-pressure low-temperature plasma generation device and application of device to prevention of plant disease |
| CN104883806B (en) * | 2015-03-06 | 2018-09-25 | 苏州大学 | A kind of plasma jet device and component and a kind of method of crystal silicon battery surface oxidation and decontamination |
| CN104883806A (en) * | 2015-03-06 | 2015-09-02 | 苏州大学 | Plasma jet device and assembly, and crystalline silicon battery surface oxidation and decontamination method |
| EP3430864B1 (en) * | 2016-03-16 | 2021-11-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Plasma nozzle and method of using the plasma nozzle |
| DE102016209097A1 (en) * | 2016-03-16 | 2017-09-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | plasma nozzle |
| CN106231771A (en) * | 2016-08-31 | 2016-12-14 | 大连民族大学 | A kind of protection mechanism of plasma laryngoscope sterilizing unit |
| CN106856644A (en) * | 2017-01-04 | 2017-06-16 | 京东方科技集团股份有限公司 | Plasma jet device |
| CN108322984A (en) * | 2018-01-29 | 2018-07-24 | 中国科学院电工研究所 | Focus the device and method of cold plasma processing 3D objects |
| WO2021243966A1 (en) * | 2020-06-01 | 2021-12-09 | 深圳先进技术研究院 | Atmospheric pressure radio frequency thermal plasma generator based on pre-ionization ignition device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160324 Address after: 1412, room 860, B, innovation center, Wangjiang West Road, 230000 hi tech Zone, Hefei, Anhui Patentee after: CAS NEW WORLD ENVIRONMENTAL PROTECTION TECHNOLOGY CO.,LTD. Address before: 230000 Dong Li, Hefei, Anhui Patentee before: HEFEI INSTITUTES OF PHYSICAL SCIENCE, CHINESE ACADEMY OF SCIENCES Effective date of registration: 20160324 Address after: 230000 Dong Li, Hefei, Anhui Patentee after: HEFEI INSTITUTES OF PHYSICAL SCIENCE, CHINESE ACADEMY OF SCIENCES Address before: 230031 Shushan Lake Road, Anhui, China, No. 350, No. Patentee before: INSTITUTE OF PLASMA PHYSICS CHINESE ACADEMY OF SCIENCES |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20170918 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |