CN102364994A - Cathodic arc controller for low-temperature plasma generator - Google Patents
Cathodic arc controller for low-temperature plasma generator Download PDFInfo
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- CN102364994A CN102364994A CN 201110298026 CN201110298026A CN102364994A CN 102364994 A CN102364994 A CN 102364994A CN 201110298026 CN201110298026 CN 201110298026 CN 201110298026 A CN201110298026 A CN 201110298026A CN 102364994 A CN102364994 A CN 102364994A
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- eddy flow
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Abstract
The invention discloses a cathodic arc controller for a low-temperature plasma generator, which comprises a swirl piece body, wherein a central spray pipe is axially arranged on the swirl piece body, and the swirl piece body comprises a swirl cylindrical section and a swirl tapered section which is formed by shrinking and extending along one end of the cylindrical section; and meanwhile, a spiral groove is arranged on the outer surface of the swirl cylindrical section. Therefore, under the condition that the pressure of compressed air flowing into a cathode is unchanged, the position of an arcing point of a cathodic radial arc is constantly changed, so that the fixed-point damage of the surface of the arcing point of the arc is avoided, and the service life of the cathode is greatly prolonged.
Description
Technical field
The present invention relates to a kind of cathode arc controller of low-temperature plasma generator, be applied in the plasma generator, produce rotation to impel the compressed air that gets into negative electrode.
Background technology
In the prior art, plasma generator commonly used, of Chinese patent 200620013110.2, the DC power supply that generally comprises negative electrode, anode, arc-initiating device and negative electrode, anode are connected; Negative electrode is connected to form by replaceable cathode taps and negative electrode conducting rod, and replaceable cathode taps is the cylinder barrel shaped structure, and is processed with the water-cooled cannelure on this replaceable cathode taps; Anode is hollow cylindrical shell, and set inside is Rafael nozzle formula structure, and the periphery then forms the water-cooled cannelure with the stainless steel sleeve tube.Such plasma generator structure is huge, complicated; Inconvenient maintenance.Simultaneously, the point-to-point generation electric arc mode that this plasma generator adopts is prone to cause electrode damage, has influenced the useful life of anode and cathode.
Therefore; Be necessary to provide a kind of plasma generator of new structure, through anode assemblies structure, cathode component architecture and the anode assemblies of change plasma generator and the syndeton between the cathode assembly, to simplify the structure of plasma generator; Be convenient to maintenance, practice thrift cost.
Summary of the invention
The present invention is directed to the deficiency of prior art; A kind of cathode arc controller of low-temperature plasma generator is provided; It is under the constant condition of compressed air air pressure; The negative electrode radially position of electric arc arcing point ceaselessly changes, and avoids the fixed point scaling loss on electric arc arcing point surface, the useful life of greatly improving negative electrode; Under the condition that changes compressed air air pressure, cathode axis to the position of electric arc arcing point integral body move down or on move, change the arcing point of whole starting the arc end face, increase the working face of negative electrode, can effectively prolong the useful life of negative electrode; In addition, under the condition that compressed air air pressure changes, can change the shape and the temperature of low temperature plasma torch, increase the means that the low temperature plasma torch is regulated.
For realizing above technical purpose, the present invention takes following technical scheme:
A kind of cathode arc controller of low-temperature plasma generator comprises eddy flow spare body, and this eddy flow spare body offers core jet pipe along axis; Said eddy flow spare body comprises the eddy flow cylindrical section and extends the eddy flow conical section that forms along the end contraction of cylindrical section that simultaneously, the outer surface of said eddy flow cylindrical section is offered helicla flute.
Said core jet pipe is by boring the section jet pipe and forming along the shell of column jet pipe that awl section jet pipe carefully holds extension to form, and said shell of column jet pipe is opened in the eddy flow conical section, and an awl section jet pipe then is opened in the eddy flow cylindrical section.
The big end of said jet pipe is the jet pipe air inlet, and the thin end of jet pipe then is the jet pipe gas outlet.
According to above technical scheme, can realize following beneficial effect:
The present invention offers helicla flute at the eddy flow cylindrical section outer surface of eddy flow spare body; The compressed air that can cause getting into negative electrode rotates; Under the constant condition of compressed air air pressure; The negative electrode radially position of electric arc arcing point ceaselessly changes, and avoids the fixed point scaling loss on electric arc arcing point surface, the useful life of greatly improving negative electrode; Under the condition that changes compressed air air pressure, cathode axis to the position of electric arc arcing point integral body move down or on move, change the arcing point of whole starting the arc end face, increase the working face of negative electrode, can effectively prolong the useful life of negative electrode; In addition, under the condition that compressed air air pressure changes, can change the shape and the temperature of low temperature plasma torch, increase the means that the low temperature plasma torch is regulated.
Description of drawings
Fig. 1 is a perspective view of the present invention;
Fig. 2 is that the A of Fig. 1 is to structural representation;
Fig. 3 is the A-A cutaway view among Fig. 2;
Wherein: eddy flow spare body 1; Helicla flute 11; Core jet pipe 12; Jet pipe air inlet 121; Jet pipe gas outlet 122.
Embodiment
Accompanying drawing discloses the structural representation of preferred embodiment involved in the present invention without limitation; Below will combine accompanying drawing that technical scheme of the present invention at length is described.
Shown in Fig. 1 to 3, the cathode arc controller of low-temperature plasma generator according to the invention comprises eddy flow spare body, and this eddy flow spare body offers core jet pipe along axis; Said eddy flow spare body comprises the eddy flow cylindrical section and extends the eddy flow conical section that forms along the end contraction of cylindrical section that simultaneously, the outer surface of said eddy flow cylindrical section is offered helicla flute.Said core jet pipe is by boring the section jet pipe and forming along the shell of column jet pipe that awl section jet pipe carefully holds extension to form, and said shell of column jet pipe is opened in the eddy flow conical section, and an awl section jet pipe then is opened in the eddy flow cylindrical section.The big end of said jet pipe is the jet pipe air inlet, and the thin end of jet pipe then is the jet pipe gas outlet.
When then installing, a part of compressed air that the cathode inlet mouth feeds is handled through the further compression-expansion of core jet pipe, goes out from the central-injection of eddy flow spare body; The helicla flute rotation that another compressed air is then offered along eddy flow spare body outer rim, both combinations can ceaselessly change the radially position of electric arc arcing point of negative electrode, avoid the fixed point scaling loss on electric arc arcing point surface, the useful life of greatly improving negative electrode.
Claims (3)
1. the cathode arc controller of a low-temperature plasma generator, it is characterized in that: comprise eddy flow spare body, this eddy flow spare body offers core jet pipe along axis; Said eddy flow spare body comprises the eddy flow cylindrical section and extends the eddy flow conical section that forms along the end contraction of cylindrical section that simultaneously, the outer surface of said eddy flow cylindrical section is offered helicla flute.
2. according to the cathode arc controller of the said low-temperature plasma generator of claim 1; It is characterized in that: said core jet pipe is by boring the section jet pipe and forming along the shell of column jet pipe that awl section jet pipe carefully holds extension to form; Said shell of column jet pipe is opened in the eddy flow conical section, and awl section jet pipe then is opened in the eddy flow cylindrical section.
3. according to the cathode arc controller of the said low-temperature plasma generator of claim 2, it is characterized in that: the big end of said jet pipe is the jet pipe air inlet, and the thin end of jet pipe then is the jet pipe gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110298026 CN102364994A (en) | 2011-09-28 | 2011-09-28 | Cathodic arc controller for low-temperature plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110298026 CN102364994A (en) | 2011-09-28 | 2011-09-28 | Cathodic arc controller for low-temperature plasma generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102364994A true CN102364994A (en) | 2012-02-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN 201110298026 Pending CN102364994A (en) | 2011-09-28 | 2011-09-28 | Cathodic arc controller for low-temperature plasma generator |
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| CN (1) | CN102364994A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607057A (en) * | 2012-04-17 | 2012-07-25 | 黄晓曲 | Automatic air flow adjusting device for prolonging service life of plasma tube type cathode |
| CN104936372A (en) * | 2015-06-29 | 2015-09-23 | 武汉天和技术股份有限公司 | Plasma generating device |
| CN105792497A (en) * | 2016-01-27 | 2016-07-20 | 西安交通大学 | Anti-ablation rotating arc electrode for plasma jet-triggered high-voltage switch |
Citations (8)
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| EP0465140A2 (en) * | 1990-07-02 | 1992-01-08 | Westinghouse Electric Corporation | Non-clogging high efficiency plasma torch |
| WO2007114556A1 (en) * | 2006-04-04 | 2007-10-11 | Cheju National University Industry Academic Cooperation Foundation | Dc arc plasmatron and method of using the same |
| US20080149273A1 (en) * | 2006-12-20 | 2008-06-26 | Seiko Epson Corporation | Plasma processing apparatus |
| CN201119113Y (en) * | 2007-10-26 | 2008-09-17 | 姚志旭 | Rotary spraying plasm surface processing device |
| JP2009006350A (en) * | 2007-06-27 | 2009-01-15 | Sony Corp | Laser beam machining apparatus and method, debris recovery mechanism and method, and manufacturing method of display panel |
| CN201291351Y (en) * | 2008-12-01 | 2009-08-19 | 合肥京世建电子科技有限公司 | Portable water vapour plasma spray gun |
| CN101784154A (en) * | 2009-01-19 | 2010-07-21 | 烟台龙源电力技术股份有限公司 | Arc plasma generator and anode thereof |
| CN201986251U (en) * | 2011-03-29 | 2011-09-21 | 核工业西南物理研究院 | Arc plasma torch with Laval negative pole structure |
-
2011
- 2011-09-28 CN CN 201110298026 patent/CN102364994A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0465140A2 (en) * | 1990-07-02 | 1992-01-08 | Westinghouse Electric Corporation | Non-clogging high efficiency plasma torch |
| WO2007114556A1 (en) * | 2006-04-04 | 2007-10-11 | Cheju National University Industry Academic Cooperation Foundation | Dc arc plasmatron and method of using the same |
| US20080149273A1 (en) * | 2006-12-20 | 2008-06-26 | Seiko Epson Corporation | Plasma processing apparatus |
| JP2009006350A (en) * | 2007-06-27 | 2009-01-15 | Sony Corp | Laser beam machining apparatus and method, debris recovery mechanism and method, and manufacturing method of display panel |
| CN201119113Y (en) * | 2007-10-26 | 2008-09-17 | 姚志旭 | Rotary spraying plasm surface processing device |
| CN201291351Y (en) * | 2008-12-01 | 2009-08-19 | 合肥京世建电子科技有限公司 | Portable water vapour plasma spray gun |
| CN101784154A (en) * | 2009-01-19 | 2010-07-21 | 烟台龙源电力技术股份有限公司 | Arc plasma generator and anode thereof |
| CN201986251U (en) * | 2011-03-29 | 2011-09-21 | 核工业西南物理研究院 | Arc plasma torch with Laval negative pole structure |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607057A (en) * | 2012-04-17 | 2012-07-25 | 黄晓曲 | Automatic air flow adjusting device for prolonging service life of plasma tube type cathode |
| CN102607057B (en) * | 2012-04-17 | 2014-04-16 | 黄晓曲 | Automatic air flow adjusting device for prolonging service life of plasma tube type cathode |
| CN104936372A (en) * | 2015-06-29 | 2015-09-23 | 武汉天和技术股份有限公司 | Plasma generating device |
| CN105792497A (en) * | 2016-01-27 | 2016-07-20 | 西安交通大学 | Anti-ablation rotating arc electrode for plasma jet-triggered high-voltage switch |
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Application publication date: 20120229 |