CN203368892U - Contact arcing device for plasma generators - Google Patents
Contact arcing device for plasma generators Download PDFInfo
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- CN203368892U CN203368892U CN 201320323846 CN201320323846U CN203368892U CN 203368892 U CN203368892 U CN 203368892U CN 201320323846 CN201320323846 CN 201320323846 CN 201320323846 U CN201320323846 U CN 201320323846U CN 203368892 U CN203368892 U CN 203368892U
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Abstract
The utility model relates to a contact arcing device for plasma generators. The contact arcing device comprises an anode and a cathode, which are arranged oppositely and are connected with a rectifier power supply. An anode cooling liquid pipeline is sleeved on the anode, and the anode cooling liquid pipeline is provided with a liquid inlet and a liquid outlet. A cathode cooling liquid pipeline is arranged inside the cathode, and the cathode cooling liquid pipeline is provided with a central liquid inlet and a bypass liquid outlet. The contact arcing device further comprises an auxiliary electrode. The front end of the anode is provided with an arcing end part used for matching with the auxiliary electrode to realize a non-uniform magnetic field. The auxiliary electrode movably arranged outside the cathode is connected with a driving structure through an insulated connecting rod. The contact arcing device for plasma generators has the advantages of long service life and stable and reliable arcing performance and can be widely used in the field of arcing.
Description
Technical field
The utility model relates to a kind of arc starter, relates in particular to a kind of arc starter of the contact for plasma generator.
Background technology
Plasma generator is a kind of device that converts electrical energy into heat energy, and section's gas discharge produces electric arc within it, and electric arc can be high temperature by gas ionization has chemically active hot plasma.Arc plasma generator the startup stage need to complete Igniting pattern by arc starter.
Arc starter can be categorized as contactless arc starter and contact arc starter by starting the arc mode.
Contactless starting the arc mode have can repeatedly start, without starting the arc contact point with to advantages such as electrode damage are less.But its quality requirements to dielectric gas is higher, when dielectric gas is contaminated, as higher as dielectric gas humidity or while containing impurity, the normally starting the arc.Because the contactless starting the arc need to add higher voltage between electrode, this makes contactless arc starter structure relative complex, and when the starting the arc, the moment impact electric current is large, and equipment is had to harmful effect.These drawbacks limit of the contactless starting the arc its concrete application in the industrial environments such as many dirt, high humility.
Contact starting the arc mode have starting the arc impulse current less, to dielectric gas quality requirements advantages of higher not.But the contact arc starter Shortcomings part of current multiple practical applications, be mainly manifested in: (1) is generally that the distance by adjusting between two main electrodes realizes the contact starting the arc, because being generally the air breakdown electric discharge of plane to planar fashion between two main electrodes, now need between electrode to exist relatively high voltage difference; On (2) two electrodes, nearest place can be flow through at short notice large electric current and comparatively serious ablation phenomen occur when the starting the arc, the opposite way of contact, and ablation point is the feature of random distribution, to having a strong impact on electrode life.
Comprehensively above-mentioned, existing contact arc starter exists useful life short, and arc starting performance is stablized not, reliable problem, can't meet the demand of practical application.
The utility model content
The purpose of this utility model has been to provide a kind of arc starter of the contact for plasma generator, and solution has now for the contact arc starter of plasma generator short useful life, stable not, the reliable problem of arc starting performance.
The utility model solves the technical scheme that its technical problem adopts:
A kind of arc starter of the contact for plasma generator, comprise the anode and the negative electrode that are oppositely arranged, described anode is connected with rectifier power source with negative electrode, and described anode is arranged with the anode coolant duct outward, and inlet, liquid outlet are set on the anode coolant duct; Described negative electrode inside is provided with the negative electrode coolant duct; The negative electrode coolant duct also is provided with center feed inlet, bypass liquid outlet; It is characterized in that: also comprise auxiliary electrode; Described anode front end is provided with for auxiliary electrode, coordinating the starting the arc end of realizing non-uniform magnetic field; The auxiliary electrode of head outside negative electrode connects Drive Structure by the connecting rod of insulation.
Preferably, described anode front end starting the arc end is plate-like structure high temperature resistant, anti-electric ablation; Described auxiliary electrode is acicular texture high temperature resistant, anti-electric ablation.
Concrete: described driving mechanism is magnetic driven or pneumatic type or motor-type driving mechanism.
Concrete, described magnetic driven driving mechanism, comprise electromagnet, described connecting rod two ends connect respectively auxiliary electrode and the moving electromagnet of magnetic.
Further, the axis coaxle of the axis of described auxiliary electrode and negative electrode is parallel.
Preferably, the clearance distance of described auxiliary electrode and negative electrode is 0～1mm.
The utility model beneficial effect: the arc starter of the contact for plasma generator that the utility model provides, drive the auxiliary electrode motion by driving mechanism, realize the starting the arc by contacting of auxiliary electrode and anode, auxiliary electrode and and the starting the arc end of anode front end coordinate, can form non-uniform magnetic field between the two, can effectively reduce disruptive field intensity, effectively improve the physical life of whole device, there is stable performance, reliably a little.Auxiliary electrode is acicular texture, and the starting the arc end of described anode front end is plate-like structure, can more effectively reduce disruptive field intensity.Auxiliary electrode and the starting the arc end of high temperature resistant, anti-electric ablation, in the useful life that can effectively improve device, further improve stability and the reliability of device.Anode coolant duct and negative electrode coolant duct, can make device cooling faster, thereby improve the useful life of device, makes the performance of device more stable, reliable simultaneously.Driving mechanism is magnetic driven or pneumatic type or motor-type driving mechanism.The magnetic driven driving mechanism, comprise electromagnet, and described connecting rod two ends connect respectively auxiliary electrode and the moving electromagnet of magnetic, can simply, reliably realize the motion of auxiliary electrode phase antianode.Insulated connecting rod can effectively prevent the appearance of short circuit phenomenon, further improves the useful life of device and stability, the reliability of device.For the performance of better implement device, the axis of auxiliary electrode is parallel with the axis of negative electrode.
For above-mentioned purpose of the present utility model, technical characterictic and advantage are more become apparent, below in conjunction with the drawings and specific embodiments, the utility model is described further.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Embodiment, consult Fig. 1, a kind of arc starter of the contact for plasma generator as shown in Figure 1, comprise the anode 11 and the negative electrode 15 that are oppositely arranged, described anode 11 is connected with rectifier power source with negative electrode 15, described anode 11 is outer is arranged with anode coolant duct 12, and inlet 21, liquid outlet 22 are set on anode coolant duct 12; Described negative electrode 15 inside are provided with negative electrode coolant duct 18; Negative electrode coolant duct 18 also is provided with center feed inlet 19, bypass liquid outlet 22; Also comprise auxiliary electrode 14; Described anode 11 front ends are provided with for auxiliary electrode 14, coordinating the starting the arc end 13 of realizing non-uniform magnetic field; The auxiliary electrode 14 of head outside negative electrode 15 connects Drive Structure 17 by the connecting rod 16 of insulation.Described anode 11 front end starting the arc ends 13 are plate-like structure high temperature resistant, anti-electric ablation; Described auxiliary electrode 14 is acicular texture high temperature resistant, anti-electric ablation.Described driving mechanism is magnetic driven or pneumatic type or motor-type driving mechanism.Described magnetic driven driving mechanism, comprise electromagnet 17, and described connecting rod 16 two ends connect respectively auxiliary electrode 14 and the moving electromagnet 17 of magnetic.The axis of described auxiliary electrode 14 is parallel with the axis coaxle of negative electrode 15.Described auxiliary electrode 14 is 0～1mm with the clearance distance of negative electrode 15.
The arc power that this contact arc starter for plasma generator connects is rectifier power source, and this rectifier power source also is loaded on negative electrode 15 and anode 11 simultaneously.Anode 11 is used fixed form to settle, and flows through cooling fluid in anode coolant duct 12 with cooling anodes 11.Negative electrode 15 is used fixed form to settle, and flows through cooling fluid in negative electrode coolant duct 18 with cooling negative electrode 15.The positive pole of rectifier power source and negative pole are connected respectively on anode 11 and negative electrode 15.Electromagnet 17 can drive auxiliary electrode 14 to carry out with respect to the moving forward and backward of anode 11, and electromagnet 17 is used insulating material to prevent short circuit phenomenon with the connecting rod 16 of auxiliary electrode 14.Auxiliary electrode 14 is 0～1mm with the clearance distance of negative electrode 15.The positive pole and the negative pole that play arc power are connected respectively on anode 11 and auxiliary electrode 14.The reach of electromagnet 17 and rear mobile the work are controlled by external controller, play the break-make of arc power and are also controlled by controller.
When carrying out the contact starting the arc, controller is controlled the action of electromagnet 17, at first make auxiliary electrode 14 produce relative close motion with anode 11, when the gap between auxiliary electrode 14 and anode 11 is less than set point, load arcing voltage, the starting the arc between auxiliary electrode 14 and anode 11; After the time of setting, electromagnet 17 is carried out the action that increases distance between auxiliary electrode 14 and anode 11, and the distance executed between the rear negative electrode 15 of this action and anode 11 should be not more than the distance between auxiliary electrode 14 and anode 11.In the said process Igniting pattern, arcing voltage between auxiliary electrode 14 and anode 11 can be always in stress state, preferred version is that the gap between auxiliary electrode 14 and anode 11 loads arcing voltage while being less than set point, disconnects arcing voltage after completing the starting the arc.
Described Drive Structure can complete the adjustment of the distance of 11 of auxiliary electrode 14 and fixed anodes.Electromagnet 17 can be substituted by other driving mechanisms such as cylinder or motor,
Playing arc power can be AC power, and this AC power can be a kind of high-frequency impulse formula AC power.Preferably use DC power supply in this embodiment, DC power supply has the feature of low electromagnetic interference, significantly the stability of elevator system.As everyone knows, anode 11 and negative electrode 15 also can exchange and connect electricity.
The above is one of preferred implementation of the present utility model; be noted that for those skilled in the art; under the prerequisite that does not break away from the technical solution of the utility model principle; can also make the improvement of some non-intrinsically safes; also can above-mentioned embodiment be combined, these improvement and combinations that do not break away from the technical solutions of the utility model principle also should be considered as protection range of the present utility model.
Claims (6)
1. the arc starter of the contact for plasma generator, comprise the anode (11) and the negative electrode (15) that are oppositely arranged, described anode (11) is connected with rectifier power source with negative electrode (15), described anode (11) is outer is arranged with anode coolant duct (12), and inlet (21), liquid outlet (22) are set on anode coolant duct (12); Described negative electrode (15) inside is provided with negative electrode coolant duct (18); Negative electrode coolant duct (18) also is provided with center feed inlet (19), bypass liquid outlet (22); It is characterized in that: also comprise auxiliary electrode (14); Described anode (11) front end be provided with for and auxiliary electrode (14) coordinate the starting the arc end (13) realize non-uniform magnetic field; The auxiliary electrode (14) of head outside negative electrode (15) connects Drive Structure (17) by the connecting rod (16) of insulation.
2. the arc starter of the contact for plasma generator as claimed in claim 1 is characterized in that: described anode (11) front end starting the arc end (13) is plate-like structure high temperature resistant, anti-electric ablation; Described auxiliary electrode (14) is acicular texture high temperature resistant, anti-electric ablation.
3. the arc starter of the contact for plasma generator as claimed in claim 1 or 2, it is characterized in that: described driving mechanism is magnetic driven or pneumatic type or motor-type driving mechanism.
4. the arc starter of the contact for plasma generator as claimed in claim 3, it is characterized in that: described magnetic driven driving mechanism, comprise electromagnet (17), described connecting rod (16) two ends connect respectively auxiliary electrode (14) and the moving electromagnet (17) of magnetic.
5. the arc starter of the contact for plasma generator according to claim 1 and 2, it is characterized in that: the axis of described auxiliary electrode (14) is parallel with the axis coaxle of negative electrode (15).
6. the arc starter of the contact for plasma generator according to claim 1 and 2 is characterized in that: described auxiliary electrode (14) is 0～1mm with the clearance distance of negative electrode (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320323846 CN203368892U (en) | 2013-06-06 | 2013-06-06 | Contact arcing device for plasma generators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320323846 CN203368892U (en) | 2013-06-06 | 2013-06-06 | Contact arcing device for plasma generators |
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| CN203368892U true CN203368892U (en) | 2013-12-25 |
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| CN 201320323846 Expired - Lifetime CN203368892U (en) | 2013-06-06 | 2013-06-06 | Contact arcing device for plasma generators |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103906337A (en) * | 2014-04-27 | 2014-07-02 | 衢州昀睿工业设计有限公司 | Plasma torch for dielectric heating |
| CN105491778A (en) * | 2016-02-22 | 2016-04-13 | 衢州迪升工业设计有限公司 | Plasma pyrolysis device |
| CN105491777A (en) * | 2016-02-16 | 2016-04-13 | 衢州迪升工业设计有限公司 | Telescopic arc-striking plasma device |
| CN105517313A (en) * | 2016-02-16 | 2016-04-20 | 衢州迪升工业设计有限公司 | Telescopic type electrode of arc striking pyrolysis device |
| CN105554996A (en) * | 2016-02-16 | 2016-05-04 | 衢州迪升工业设计有限公司 | Arc plasma device |
| CN105555003A (en) * | 2015-12-07 | 2016-05-04 | 中国科学院力学研究所 | Method and device for reducing arc plasmatron electrode ablation |
| CN105555004A (en) * | 2016-02-16 | 2016-05-04 | 衢州迪升工业设计有限公司 | Electrode structure of telescopic striking arc |
| CN105555005A (en) * | 2016-02-16 | 2016-05-04 | 衢州迪升工业设计有限公司 | Plasma pyrolysis device of telescopic striking arc |
| CN105554997A (en) * | 2016-02-16 | 2016-05-04 | 衢州迪升工业设计有限公司 | Electrode of arc plasma device |
| CN108633159A (en) * | 2018-05-02 | 2018-10-09 | 北京戎聚环境科技有限公司 | Plasma generator |
| CN110677974A (en) * | 2019-11-13 | 2020-01-10 | 四川轻化工大学 | Plasma generator |
| WO2024037089A1 (en) * | 2022-08-16 | 2024-02-22 | 海南摩尔兄弟科技有限公司 | Plasma heating structure and plasma atomization device |
-
2013
- 2013-06-06 CN CN 201320323846 patent/CN203368892U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103906337A (en) * | 2014-04-27 | 2014-07-02 | 衢州昀睿工业设计有限公司 | Plasma torch for dielectric heating |
| CN105555003A (en) * | 2015-12-07 | 2016-05-04 | 中国科学院力学研究所 | Method and device for reducing arc plasmatron electrode ablation |
| CN105555004A (en) * | 2016-02-16 | 2016-05-04 | 衢州迪升工业设计有限公司 | Electrode structure of telescopic striking arc |
| CN105517313A (en) * | 2016-02-16 | 2016-04-20 | 衢州迪升工业设计有限公司 | Telescopic type electrode of arc striking pyrolysis device |
| CN105554996A (en) * | 2016-02-16 | 2016-05-04 | 衢州迪升工业设计有限公司 | Arc plasma device |
| CN105491777A (en) * | 2016-02-16 | 2016-04-13 | 衢州迪升工业设计有限公司 | Telescopic arc-striking plasma device |
| CN105555005A (en) * | 2016-02-16 | 2016-05-04 | 衢州迪升工业设计有限公司 | Plasma pyrolysis device of telescopic striking arc |
| CN105554997A (en) * | 2016-02-16 | 2016-05-04 | 衢州迪升工业设计有限公司 | Electrode of arc plasma device |
| CN105554997B (en) * | 2016-02-16 | 2018-01-02 | 衢州迪升工业设计有限公司 | The electrode of arc plasma device |
| CN105491778A (en) * | 2016-02-22 | 2016-04-13 | 衢州迪升工业设计有限公司 | Plasma pyrolysis device |
| CN108633159A (en) * | 2018-05-02 | 2018-10-09 | 北京戎聚环境科技有限公司 | Plasma generator |
| CN110677974A (en) * | 2019-11-13 | 2020-01-10 | 四川轻化工大学 | Plasma generator |
| CN110677974B (en) * | 2019-11-13 | 2024-04-05 | 四川轻化工大学 | Plasma generator |
| WO2024037089A1 (en) * | 2022-08-16 | 2024-02-22 | 海南摩尔兄弟科技有限公司 | Plasma heating structure and plasma atomization device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20131225 |
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| CX01 | Expiry of patent term |