CN1358058A - Capillary plasma generator - Google Patents
Capillary plasma generator Download PDFInfo
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- CN1358058A CN1358058A CN 01133589 CN01133589A CN1358058A CN 1358058 A CN1358058 A CN 1358058A CN 01133589 CN01133589 CN 01133589 CN 01133589 A CN01133589 A CN 01133589A CN 1358058 A CN1358058 A CN 1358058A
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- capillary
- capillary tube
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Abstract
The present invention discloses a capillary tube plasma generator, which consists of capillary tube, negative pole, positive pole, intermediate pole and explosion-proof shell. The said capillary tube is cylinder in shape and the said negative pole has one end as a cone shape, the other end as a bar shape electrode for connecting with the line of power source, the cone part locating in the inner hole at one end of capillary tube to seal this end. The said positive pole is horn shaped with hollow structure at the other end of capillary tube being as a nozzle. The intermediate pole connected out from the inner hole of capillary tube has a distance of itself to the negative pole as one sixths to one fourth of the distance between positive pole to the negative pole and the explosion proof shell is sheated out side the capillary tube. The present invention has combined the capillary tube plasma jet-flow technique with the high power switch into one in order to have both function for no need to provide big power switch at the main power source when it is in operation.
Description
Technical field
The present invention relates to a kind of pulse high energy particle source, specifically, it relates to a kind of capillary plasma body generator.
Background technology
Capillary plasma body generator is a kind of novel pulse high energy particle source that has grown up since the eighties.Discharge plasma produces in what is called " capillary " structure of fineness ratio very little (＜0.1), capillary wall adopts materials such as hydrocarbon molecules material such as polyethylene to make usually, the two ends installing electrodes, the anode of its split shed hollow is the plasma emission electrode, the capillary normal length is about several centimetres to ten centimetres, internal diameter 2-6 millimeter.When capillary two electrodes carry out high pressure pulse discharge, in the millisecond pulsewidth time,, add the thermal ablation capillary wall by number 10kA electric current, produce HTHP high speed plasma jet.This plasma parameter characteristic has approximate black matrix feature.Compare with other plasma generator, be characterized in simple in structure, need not special vacuum environment, explosion precaution, under atmospheric conditions, can produce.Aspect physical characteristic, have clear superiority, the temperature height, density is big, and firing rate is fast, thereby is with a wide range of applications.Can be used as high speed transmitter and be used for launching high-velocity particles, can be used as propeller and be used for the wisp propelling, can be used as the highly dense plasma flow of high temperature and be used for material surface modifying, can also be as igniter, other working medium of igniting.Filler composition in appropriate change capillary pipe structure or the capillary can satisfy the different application needs, realizes more extensive use.Ultrashort pulse capillary discharging plasma is at soft x ray, and there is important application in fields such as Laser Driven particle acceleration.Because the unique advantage that the capillary plasma body is had, have a wide range of applications in scientific research, industry and military field, be subjected to the attention of various countries scientific circles in recent years, state research institutions such as American and Britain, method, moral, Russia are opening up many new applications all in the research in this field of throwing oneself at present.
" small-bore electrothermal chemical ultra-high rates of fire experimental study " (seeing " Push Technology ", Vol.20, No.6,1999) provides a kind of capillary plasma body generator for electrothermal chemical emission design.This generator is in order to reduce pulse power puncture voltage, set up initial plasma electric arc, between capillary negative and positive the two poles of the earth, connect with wire, this structure is for the pulse power, and capillary is in short-circuit condition, so pulse power supply circuit must use high-power Closing Switch, when power source charges is finished, Closing Switch conducting, power supply produce the energetic plasma jet to the capillary instantaneous discharge.There is the problem of two aspects in this operational mode: at first be capillary discharging can only use by single, and its less important use high power switch, and there is useful life in high power switch, noise, cost expense or the like problem.
Summary of the invention
The object of the invention is to provide a kind of capillary plasma body generator that can rerun continuously, this capillary plasma generator can substitute impulse power electrical source discharge loop high power switch, the instantaneous closed-loop path of control impuls power supply makes pulse power structure simplify greatly during use.
For achieving the above object, plasma generator provided by the invention is made up of capillary, negative electrode, anode, target and explosion-resistant enclosure, described capillary is the pipe shape, one end of described negative electrode is that taper, the other end are clavate, the tapering part of negative electrode is arranged in the endoporus of an end capillaceous, and makes this end sealing; Described anode is tubaeform hollow structure, is positioned at the other end of capillary (3), as the spout end; This generator also is provided with the target of drawing from endoporus capillaceous, and in endoporus capillaceous, the distance between target and the negative electrode is the 1/6-1/4 of distance between anode and the negative electrode, and extracapillary is with explosion-resistant enclosure.
Capillary plasma body fluid valving of the present invention is abandoned and is inserted metallic explosive silk striking method between original anode and cathode, and the introducing target, (there is useful life in high power switch and the main discharge power supply does not need to be equipped with high power switch, noise, the cost expense also needs other auxiliary device or the like problem).For the power volume and the power that provide target to trigger all very little.After the main power source charging finishes, as long as control target pulse-triggered can make the main power source discharge.Therefore the present invention has identical electric current of high-power semiconductor switch components and parts and power amplification function.Electrode structure of the present invention adopts ablation resistant material to make through well-designed, and it unites two into one capillary plasma body fluidics and high-power switchgear, has plasma jet and switch dual-use function and characteristic.Laboratory repeatedly duplicate test shows, main power source be not equipped with under the high power switch condition, after target sends trigger impulse, in very short time, can make the discharge of main discharge power turn-on, in capillary plasma body generator, produce HTHP high speed plasma jet.
Description of drawings
Fig. 1 is the structural representation of capillary plasma body generator of the present invention
Embodiment
Be illustrated in figure 1 as the sectional structure chart of capillary plasma body generator, capillary 3 is the pipe shape, and the capillary liner is made by polythene material, diameter of bore 2--6mm, length 40--100mm.One end of negative electrode 5 is taper, and remainder is a clavate, and cathode material uses the material of anti-the ablate metals as molybdenum, copper-tungsten, and the tapering part of negative electrode 5 closely inserts its endoporus, this end is sealed from an end of capillary 3.Anode 2 is tubaeform hollow structure, is positioned at the other end of capillary 3, forms the spout of capillary plasma body generator.Anode also uses the material of anti-the ablate metals, can improve useful life like this.Target 4 is drawn from the endoporus of capillary 3, and in the capillary endoporus, the distance between target 4 and the negative electrode 5 accounts for the 1/6-1/4 of distance between negative electrode and the anode.For preventing that heavy-current discharge from causing the capillary explosion, the capillary overcoat is in case quick-fried shell 1.
During use, negative and positive the two poles of the earth connect the main discharge power supply, and plasma jet is sprayed by anode, and pulse-triggered is by target and negative electrode input.When main power source finishes to capacitor charging, trigger impulse is applied to target moment, can make the main discharge circuit conducting, and the main discharge circuit parameter designs according to the plasma jet parameter request.
Claims (1)
1. capillary plasma body generator, form by capillary, negative electrode and anode, described capillary is the pipe shape, described negative electrode and anode lay respectively at described two ends capillaceous, it is characterized in that: an end of described negative electrode (5) is that taper, the other end are the source wiring of clavate electrode power supply, the tapering part of negative electrode (5) be arranged in capillary (3) an end endoporus and make the sealing of this end; Described anode (2) is tubaeform hollow structure, is positioned at the other end of capillary (3), as the spout end; This generator also is provided with the target (4) of drawing from the endoporus of capillary (3), distance between target in the endoporus of capillary (3) (4) and the negative electrode (5) is the 1/6-1/4 of distance between anode (2) and the negative electrode (5), the outer explosion-resistant enclosure (1) that is with of capillary (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011335890A CN1158003C (en) | 2001-10-25 | 2001-10-25 | Capillary plasma generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011335890A CN1158003C (en) | 2001-10-25 | 2001-10-25 | Capillary plasma generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1358058A true CN1358058A (en) | 2002-07-10 |
| CN1158003C CN1158003C (en) | 2004-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011335890A Expired - Fee Related CN1158003C (en) | 2001-10-25 | 2001-10-25 | Capillary plasma generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN1158003C (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943441A (en) * | 2009-12-31 | 2011-01-12 | 周云正 | Plasma air disinfecting and purifying air conditioner |
| CN102361528A (en) * | 2011-09-29 | 2012-02-22 | 西安交通大学 | High-impermeability capillary tube discharging plasma generator |
| CN104394642A (en) * | 2014-12-07 | 2015-03-04 | 湖南科技大学 | Laser plasma resonance X-ray source |
| CN105977128A (en) * | 2016-05-11 | 2016-09-28 | 清华大学深圳研究生院 | Ion source device of plasma ionization |
| CN107091210A (en) * | 2017-05-18 | 2017-08-25 | 西安交通大学 | A kind of pulsed plasma thruster based on capillary discharging |
| CN108194294A (en) * | 2017-12-22 | 2018-06-22 | 北京交通大学 | Coaxial-type anodized insulation type pulsed plasma thruster |
| CN108194293A (en) * | 2017-12-08 | 2018-06-22 | 北京交通大学 | A kind of coaxial-type senses trigger pulse plasma propeller |
| CN110430655A (en) * | 2019-08-06 | 2019-11-08 | 西安西交瑞力电气研究院有限公司 | A kind of closed discharging gap of using plasma jet stream triggering and its application |
| CN111712030A (en) * | 2020-05-15 | 2020-09-25 | 西安交通大学 | Capillary system for generating repeated-frequency high-heat-load plasma jet |
| CN113747650A (en) * | 2021-08-30 | 2021-12-03 | 西安交通大学 | Micro-cavity discharge plasma jet device based on metal powder mixing |
| CN113804061A (en) * | 2021-10-18 | 2021-12-17 | 北京北方车辆集团有限公司 | Electrothermal chemical fireworks bomb |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0424532D0 (en) * | 2004-11-05 | 2004-12-08 | Dow Corning Ireland Ltd | Plasma system |
-
2001
- 2001-10-25 CN CNB011335890A patent/CN1158003C/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943441A (en) * | 2009-12-31 | 2011-01-12 | 周云正 | Plasma air disinfecting and purifying air conditioner |
| CN101943441B (en) * | 2009-12-31 | 2013-05-01 | 周云正 | Plasma air disinfecting and purifying air conditioner |
| CN102361528A (en) * | 2011-09-29 | 2012-02-22 | 西安交通大学 | High-impermeability capillary tube discharging plasma generator |
| CN102361528B (en) * | 2011-09-29 | 2012-11-28 | 西安交通大学 | High-impermeability capillary tube discharging plasma generator |
| CN104394642A (en) * | 2014-12-07 | 2015-03-04 | 湖南科技大学 | Laser plasma resonance X-ray source |
| CN105977128A (en) * | 2016-05-11 | 2016-09-28 | 清华大学深圳研究生院 | Ion source device of plasma ionization |
| CN107091210A (en) * | 2017-05-18 | 2017-08-25 | 西安交通大学 | A kind of pulsed plasma thruster based on capillary discharging |
| CN107091210B (en) * | 2017-05-18 | 2018-12-04 | 西安交通大学 | A kind of pulsed plasma thruster based on capillary discharging |
| CN108194293A (en) * | 2017-12-08 | 2018-06-22 | 北京交通大学 | A kind of coaxial-type senses trigger pulse plasma propeller |
| CN108194293B (en) * | 2017-12-08 | 2019-09-27 | 北京交通大学 | A kind of coaxial-type induction trigger pulse plasma propeller |
| CN108194294A (en) * | 2017-12-22 | 2018-06-22 | 北京交通大学 | Coaxial-type anodized insulation type pulsed plasma thruster |
| CN110430655A (en) * | 2019-08-06 | 2019-11-08 | 西安西交瑞力电气研究院有限公司 | A kind of closed discharging gap of using plasma jet stream triggering and its application |
| CN110430655B (en) * | 2019-08-06 | 2023-11-14 | 西安西交瑞力电气研究院有限公司 | Enclosed discharge gap triggered by plasma jet and application thereof |
| CN111712030A (en) * | 2020-05-15 | 2020-09-25 | 西安交通大学 | Capillary system for generating repeated-frequency high-heat-load plasma jet |
| CN113747650A (en) * | 2021-08-30 | 2021-12-03 | 西安交通大学 | Micro-cavity discharge plasma jet device based on metal powder mixing |
| CN113804061A (en) * | 2021-10-18 | 2021-12-17 | 北京北方车辆集团有限公司 | Electrothermal chemical fireworks bomb |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1158003C (en) | 2004-07-14 |
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