CN2722561Y - Long-life negative cathode of air plasma generator - Google Patents
Long-life negative cathode of air plasma generator Download PDFInfo
- Publication number
- CN2722561Y CN2722561Y CN 200420061028 CN200420061028U CN2722561Y CN 2722561 Y CN2722561 Y CN 2722561Y CN 200420061028 CN200420061028 CN 200420061028 CN 200420061028 U CN200420061028 U CN 200420061028U CN 2722561 Y CN2722561 Y CN 2722561Y
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- China
- Prior art keywords
- cathode
- plasma generator
- air plasma
- head
- cylinder
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- Expired - Lifetime
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Abstract
The utility model discloses a long-life negative cathode of an air plasma generator, which is provided with a cylinder cavity on the centre shaft position of a cathode body, and the cylinder cavity penetrates an upper end surface and a lower end surface. The cavity body is provided with a cylindrical cathode head, and the cathode head is closely sealed with the wall surface of the cylinder cavity of the cathode body by the lubricating conducting resin thin layers solidified on the cylinder surface; the top end of the cathode head is provided with an insulating flat, the top surface of the flat is provided with a mini-type two-way stepper dynamo, and the vertical output shaft of the two-way stepper dynamo and the insulating flat are fixedly connected as integration. The long-life negative cathode of air plasma generator is different from the existing cathode in that the cathode head is penetrated in the cathode body, and the length can be determined according to need; when the air plasma generator works, although the cathode head can be oxidized and ablated continuously, the cathode head can slowly move down under the function of the mini-type two-way stepper dynamo, and the normal electron emission of the cathode head can be ensured; the useful life of the cathode can be enhanced greatly.
Description
Technical field
The utility model relates to a kind of negative electrode of gas ions generator, the long life cathode that exactly relates to a kind of air plasma generator and adopted.
Background technology
Present air plasma generator in usefulness; the cathode taps of its emitting electrons; is enclosed in the cathode by being set, owing to be with cerium tungsten material, and the end of its emitting electrons is to expose to the open air in air ambient during work; very easily oxidized and ablate; caused the negative electrode of existing air plasma generator in usefulness, useful life is very short, and general work just needed to shut down to change in tens hours; not only maintain and replace bothers, and has seriously influenced its continuous operation.
Summary of the invention
A kind of long life cathode of air plasma generator, it is characterized in that: at the axis position of cathode, be provided with the perforation cylindrical cavity of both ends of the surface up and down, at this cavity a cylindrical female cartridge is housed, the lubricated conducting resinl thin layer of cathode taps by solidifying on its face of cylinder, wall tight seal with the cylindrical cavity of cathode, it is dull and stereotyped that the top of cathode taps is fixed with an insulation, a miniature two-way stepping motor is housed on this flat board end face, and the vertical output axle of this motor connects firmly with the insulation flat board and is integral.
Advantage of the present utility model is: different with existing negative electrode, because cathode taps is not set and is enclosed in the cathode, but run through cathode, its length can be determined as required, can be tens times of cathode taps length in the existing negative electrode, when air plasma generator is worked, although its cathode taps in the emitting electrons process constantly by oxygen candle, but, this cathode taps is under the promotion of the miniature two-way stepping motor in top, can promote cathode taps lentamente and move down, continue to ensure the normal electronics emission of cathode taps, thereby negative electrode is improved useful life significantly.
Description of drawings
Fig. 1 is the utility model structure sectional side elevation
Mark among the figure: 1 is the air plasma generator cathode, 2 is the air plasma generator cathode taps, 3 for being solidificated in the lubricated conducting resinl thin layer on the cathode taps face of cylinder, 4 for being fixed on the insulation flat board of cathode taps Top end, 5 for being contained in the miniature two-way stepping motor that the dull and stereotyped upward promotion of insulation cathode taps slowly moves down, and 6 is miniature two-way stepping motor output shaft.
Embodiment
A kind of long life cathode of air plasma generator, the axis position of its cathode 1, be provided with the perforation cylindrical cavity of both ends of the surface up and down, at this cavity a cylindrical female cartridge 2 is housed, the lubricated conducting resinl thin layer 3 of this cathode taps 2 by solidifying on its periphery, wall tight seal with the cylindrical cavity of cathode 1, the top of cathode taps 2 is embedded in the groove of dull and stereotyped 4 bottom surfaces of insulation, a miniature two-way stepping motor 5 is housed on this dull and stereotyped end face that insulate, and the vertical output axle 6 of this motor 5 connects firmly with insulation dull and stereotyped 4 and is integral; When air plasma generator is worked, cathode taps 2 emitting electrons that it is made by cerium tungsten material, because expose to the open air in air working gas environment this cathode taps bottom, ablated by oxygen, but this cathode taps is under the slowly promotion of either-rotation motor 5, constantly replenish the ablated room of falling and continue emitting electrons, thereby the working life of negative electrode is prolonged greatly.Concrete parameter of the present utility model as an example is as follows:
Cathode 1: the red copper material is made, be the bottle cap shape that has protruding top, axis cylindrical cavity with two ends about connecting, protruding end face external diameter Φ 20mm, high 10mm, cylinder edge external diameter Φ 34mm, edge height 3mm below the protruding top, cylinder external diameter Φ 30mm, the high 12mm of cylinder, the groove internal diameter Φ 15mm of cylinder bottom center, depth of groove 2mm, axis cylindrical cavity internal diameter Φ 9mm, cavity height 23mm.
Cathode taps 2: cerium tungsten material is made, and is shaped as elongated cylinder, and diameter of phi 9mm, length are 200mm.
Lubricated conducting resinl thin layer 3: be solidificated on the cathode taps cylinder face of cylinder thickness of thin layer 0.1mm.
Insulation dull and stereotyped 4: insulating composite material is made, cylindric, diameter of phi 40mm, height 15mm, and there is circular groove the bottom surface, groove internal diameter Φ 9mm, groove depth 4mm.
Miniature two-way stepping motor 5: power 2W, per minute reciprocal 0.5 changes.
Claims (1)
1, a kind of long life cathode of air plasma generator, it is characterized in that: at the axis position of cathode (1), be provided with the perforation cylindrical cavity of both ends of the surface up and down, at this cavity a cylindrical female cartridge (2) is housed, the lubricated conducting resinl thin layer (3) of cathode taps (2) by solidifying on its face of cylinder, wall tight seal with the cylindrical cavity of cathode (1), the top of cathode taps (2) is fixed with an insulation dull and stereotyped (4), a miniature two-way stepping motor (5) is housed on the end face of this flat board (4), and the vertical output axle (6) of this motor (5) connects firmly with insulation dull and stereotyped (4) and is integral.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420061028 CN2722561Y (en) | 2004-09-01 | 2004-09-01 | Long-life negative cathode of air plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420061028 CN2722561Y (en) | 2004-09-01 | 2004-09-01 | Long-life negative cathode of air plasma generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2722561Y true CN2722561Y (en) | 2005-08-31 |
Family
ID=35012929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420061028 Expired - Lifetime CN2722561Y (en) | 2004-09-01 | 2004-09-01 | Long-life negative cathode of air plasma generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2722561Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296551B (en) * | 2007-04-25 | 2011-03-30 | 烟台龙源电力技术股份有限公司 | Association type double-cathode of plasma generator |
| CN105764225A (en) * | 2016-05-19 | 2016-07-13 | 中国工程物理研究院材料研究所 | Compact type high-power hollow cathode discharge device |
| CN105764227A (en) * | 2016-05-19 | 2016-07-13 | 中国工程物理研究院材料研究所 | High-beam direct-current hollow cathode plasma source |
| CN105848396A (en) * | 2016-05-19 | 2016-08-10 | 中国工程物理研究院材料研究所 | Device using hollow cathode to adjust ion energy |
-
2004
- 2004-09-01 CN CN 200420061028 patent/CN2722561Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101296551B (en) * | 2007-04-25 | 2011-03-30 | 烟台龙源电力技术股份有限公司 | Association type double-cathode of plasma generator |
| CN105764225A (en) * | 2016-05-19 | 2016-07-13 | 中国工程物理研究院材料研究所 | Compact type high-power hollow cathode discharge device |
| CN105764227A (en) * | 2016-05-19 | 2016-07-13 | 中国工程物理研究院材料研究所 | High-beam direct-current hollow cathode plasma source |
| CN105848396A (en) * | 2016-05-19 | 2016-08-10 | 中国工程物理研究院材料研究所 | Device using hollow cathode to adjust ion energy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140901 Granted publication date: 20050831 |