CN102720589A - Plasma body igniter and gas turbine - Google Patents
Plasma body igniter and gas turbine Download PDFInfo
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- CN102720589A CN102720589A CN2012102368502A CN201210236850A CN102720589A CN 102720589 A CN102720589 A CN 102720589A CN 2012102368502 A CN2012102368502 A CN 2012102368502A CN 201210236850 A CN201210236850 A CN 201210236850A CN 102720589 A CN102720589 A CN 102720589A
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- housing
- cathode
- plasma igniter
- negative electrode
- casing
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- Ignition Installations For Internal Combustion Engines (AREA)
Abstract
The invention discloses a gas turbine a plasma body igniter and a gas turbine. The plasma body igniter comprises a cathode, a cathode rod, an insulation sleeve, an electrode holder and a casing; wherein the casing serving as an anode is sleeved outside the cathode rod, the insulation sleeve is arranged between the casing and the cathode rod, the cathode is electrically connected with the head part of the cathode rod, the electrode holder for connecting the negative pole of an input power is positioned at the tail part of the cathode rod, the cathode is positioned outside the casing, and the distance between the cathode and the casing can be adjusted. As the distance between the cathode and the casing can be adjusted, the on-site adaptability of the plasma body igniter can be enhanced, the arc-through capability can be satisfactorily controlled, the stability of arc strike is ensured, the arc strike process can be completed in a short time, the normal operation of the onsite equipment is guaranteed, and the working efficiency is improved.
Description
Technical field
The present invention relates to active field, particularly relate to a kind of plasma igniter and gas turbine.
Background technique
In the gas turbine firing technique, plasma technique is widely used with advantages such as ignition energy is concentrated, calorie spread speed is fast, burning-out rate height.The size of its ignition ability is to be determined by the arc characteristic that it produces, so the producing method of electric arc is the key of whole igniting process.
At present, gas turbine plasma igniter production process commonly used is complicated, and negative electrode and anode gap are fixed, and following several shortcoming is arranged:
1) negative electrode is surrounded by anode, and plasma output energy is less, ignition ability a little less than;
2) negative electrode and anode gap are fixed, and the output power of plasma igniter is fixed, when quality of fuel changes, and the situation that possibly produce ignition difficulties or can not light;
3) if improve inrush current, strengthen the power of plasma igniter, owing to the infringement of electric current to electrode strengthens, so its life-span can reduce.
Facts have proved that present plasma igniter can not adapt to multiple field condition well.
Summary of the invention
The technical problem that the present invention will solve provides a kind of plasma igniter.Because the distance between negative electrode and the housing can be regulated, therefore can strengthen the on-the-spot adaptive capacity of plasma igniter.
According to an aspect of the present invention, a kind of plasma igniter is provided, comprises negative electrode, cathode bar, insulating bush, electrode tip holder, housing; Wherein be set in the outside of cathode bar as the housing of anode; Insulating bush is arranged between housing and the cathode bar, and negative electrode is electrically connected with the head of cathode bar, is used to connect the afterbody that the electrode tip holder of importing power cathode is positioned at cathode bar; Negative electrode is positioned at the outside of housing, and the distance between negative electrode and the housing can be regulated simultaneously.
Preferably, be provided with the range adjuster that is used to regulate distance between negative electrode and the housing between negative electrode and the housing.
Preferably, range adjuster is thread regulator or latch.
Preferably, plasma igniter also comprises the anti-ripple ring that is used for fixing insulating bush.
Preferably, anti-ripple ring is taper.
Preferably, between anti-ripple ring and insulating bush, pad is set.
Preferably, cathode bar and the coaxial installation of housing.
Preferably, housing is provided with the hole that air gets into.
Preferably, housing is formed in one.
According to a further aspect in the invention, a kind of gas turbine is provided, comprises above-mentioned arbitrary embodiment's plasma igniter.
Therefore the present invention can strengthen the on-the-spot adaptive capacity of plasma igniter because the distance between negative electrode and the housing can be regulated, and controls the arc through ability well; Guarantee that the starting the arc is stable; And short time completion starting the arc process, guarantee that field apparatus normally moves, increase work efficiency.
Description of drawings
Fig. 1 is an embodiment's of plasma igniter of the present invention schematic representation.
Fig. 2 is another embodiment's of plasma igniter of the present invention schematic representation.
Fig. 3 is an embodiment's of plasma igniter middle shell of the present invention schematic representation.
Fig. 4 be A shown in Figure 2 to schematic representation.
Fig. 5 be N-N shown in Figure 2 to schematic representation.
Fig. 6 be B shown in Figure 2 to schematic representation.
Embodiment
With reference to the accompanying drawings the present invention is more comprehensively described, exemplary embodiment of the present invention wherein is described.
Fig. 1 is an embodiment's of plasma igniter of the present invention schematic representation.As shown in Figure 1, plasma igniter comprises negative electrode 1, cathode bar 2, insulating bush 3, electrode tip holder 4, housing 5.Wherein:
Be set in the outside of cathode bar 2 as the housing 5 of anode; Insulating bush 3 is arranged between housing 5 and the cathode bar 2; Negative electrode 1 is electrically connected with the head 21 of cathode bar 2; Be used to connect the afterbody 22 that the electrode tip holder 4 of importing power cathode is positioned at cathode bar 2, negative electrode 1 is positioned at the outside of housing 5, and the distance between negative electrode 1 and the housing 5 can be regulated simultaneously.
The plasma igniter that provides based on the above embodiment of the present invention; Because the distance between negative electrode and the housing can be regulated, therefore can strengthen the on-the-spot adaptive capacity of plasma igniter, control the arc through ability well; Guarantee that the starting the arc is stable; And short time completion starting the arc process, guarantee that field apparatus normally moves, increase work efficiency.
Because negative electrode 1 extends to outside the housing 5, thereby in starting the arc process, has air more fully, this helps arc through.Can control the output power of plasma generator through regulating the distance between negative electrode 1 and the housing 5, adjust the ability of its igniting.
Preferably, be provided with the range adjuster that is used to regulate distance between negative electrode 1 and the housing 5 between negative electrode 1 and the housing 5.For example, range adjuster can for thread regulator, latch or other can adjustable range device.
Fig. 2 is another embodiment's of plasma igniter of the present invention schematic representation.Wherein in the embodiment shown in Figure 2, further, plasma igniter also comprises the anti-ripple ring 6 that is used for fixing insulating bush 3.Preferably, anti-ripple ring 6 tightens up effect for taper to igniter.
Preferably, between anti-ripple ring 6 and insulating bush 3, pad 7 is set, is used for further improving the effect of tightening up of anti-ripple ring 6.
Preferably, cathode bar 2 and housing 5 coaxial installations.
Preferably, housing 5 is provided with the hole that air gets into, thereby guarantees the air supply that igniting is required.The schematic representation of the preferred embodiment is as shown in Figure 3.
Preferably, housing 5 is formed in one.Because housing 5 is formed in one, and need not pass through being welded to form, so preparation process is simple, also have the characteristics that the starting the arc is stable, the life-span is long simultaneously.Simultaneously, housing 5 can carry out corresponding change to boundary dimension according to different field conditions.
Fig. 4 be A shown in Figure 2 to schematic representation.Fig. 5 be N-N shown in Figure 2 to schematic representation.Fig. 6 be B shown in Figure 2 to schematic representation.
Preferably, plasma igniter also comprises and is used for plasma igniter and the gas turbine sealing gasket 8 in the installed position sealing, is convenient to plasma igniter and is installed on the gas turbine.
Above-mentioned means can ensure the stability of plasma igniter work.Simultaneously, plasma igniter comprises corresponding power supply unit, can set concrete parameter according to actual conditions, and adjustment arc through ability is accomplished starting the arc process better.
The working procedure of plasma igniter is: connects ac power supply, ac power supply is upgraded to high-tension electricity, through the high temperature high voltage resistant cable HV is connected to plasma igniter again through control box, and the disruptive discharge gap, thus produce electric arc.
For example,, can the gap of negative electrode and anode casing be transferred greatly, improve the output power of plasma generator, reach the igniting requirement at the scene under the some oil condition.For under the gas situation, can the gap of negative electrode and anode casing be turned down at the scene, reduce the output power of plasma generator, prevent the gas detonation.
The invention still further relates to a kind of gas turbine, wherein this gas turbine comprises the plasma igniter that above-mentioned arbitrary embodiment relates to.
The present invention is owing to the distance between negative electrode and the housing can be regulated; Therefore can strengthen the on-the-spot adaptive capacity of plasma igniter, can adapt to two kinds of different field conditions of a gas and some oil, control the arc through ability well; Guarantee that the starting the arc is stable; And short time completion starting the arc process, guarantee that field apparatus normally moves, increase work efficiency.
Description of the invention provides for example with for the purpose of describing, and is not the disclosed form that exhaustively perhaps limit the invention to.A lot of modifications and variation are obvious for those of ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present invention and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiments that have various modifications that the present invention's design is suitable for special-purpose.
Claims (10)
1. a plasma igniter comprises negative electrode (1), cathode bar (2), insulating bush (3), electrode tip holder (4), housing (5), it is characterized in that:
Be set in the outside of cathode bar (2) as the housing (5) of anode; Insulating bush (3) is arranged between housing (5) and the cathode bar (2); Negative electrode (1) is electrically connected with the head (21) of cathode bar (2); Be used to connect the afterbody (22) that the electrode tip holder (4) of importing power cathode is positioned at cathode bar (2), negative electrode (1) is positioned at the outside of housing (5), and the distance between negative electrode (1) and the housing (5) can be regulated simultaneously.
2. plasma igniter according to claim 1 is characterized in that: be provided with the range adjuster that is used to regulate distance between negative electrode (1) and the housing (5) between negative electrode (1) and the housing (5).
3. plasma igniter according to claim 2 is characterized in that: range adjuster is thread regulator or latch.
4. according to each described plasma igniter among the claim 1-3, it is characterized in that: plasma igniter also comprises the anti-ripple ring (6) that is used for fixing insulating bush (3).
5. plasma igniter according to claim 4 is characterized in that: anti-ripple ring (6) is taper.
6. plasma igniter according to claim 4 is characterized in that: between anti-ripple ring (6) and insulating bush (3), pad (7) is set.
7. according to each described plasma igniter among the claim 1-3, it is characterized in that: cathode bar (2) and the coaxial installation of housing (5).
8. according to each described plasma igniter among the claim 1-3, it is characterized in that: housing (5) is provided with the hole that air gets into.
9. according to each described plasma igniter among the claim 1-3, it is characterized in that: housing (5) is formed in one.
10. a gas turbine is characterized in that: comprise each described plasma igniter among the claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236850.2A CN102720589B (en) | 2012-07-10 | 2012-07-10 | Plasma body igniter and gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210236850.2A CN102720589B (en) | 2012-07-10 | 2012-07-10 | Plasma body igniter and gas turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102720589A true CN102720589A (en) | 2012-10-10 |
| CN102720589B CN102720589B (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210236850.2A Expired - Fee Related CN102720589B (en) | 2012-07-10 | 2012-07-10 | Plasma body igniter and gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102720589B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844093A (en) * | 2018-08-15 | 2018-11-20 | 中山市铧禧电子科技有限公司 | A kind of test device of accurate adjustment and measurement igniter arcing distance |
| CN110145400A (en) * | 2019-05-21 | 2019-08-20 | 大连民族大学 | A kind of double mode plasma igniter |
| CN116557147A (en) * | 2023-07-10 | 2023-08-08 | 中国人民解放军空军工程大学 | Plasma detonation device, rotary detonation engine and detonation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB284041A (en) * | 1926-11-05 | 1928-01-26 | Albert Metie | Improvements in sparking plugs for internal combustion engines |
| US4509469A (en) * | 1979-12-21 | 1985-04-09 | Lacrex Brevetti S.A. | Break ignition plug |
| CN2326862Y (en) * | 1998-03-31 | 1999-06-30 | 烟台开发区龙源电力燃烧控制工程有限公司 | Firing gun for plasma ignition device |
| CN101463764A (en) * | 2009-01-09 | 2009-06-24 | 哈尔滨工程大学 | High-energy plasma igniter of gas turbine |
| CN202645738U (en) * | 2012-07-10 | 2013-01-02 | 烟台龙源电力技术股份有限公司 | Plasma igniter and combustion gas turbine |
-
2012
- 2012-07-10 CN CN201210236850.2A patent/CN102720589B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB284041A (en) * | 1926-11-05 | 1928-01-26 | Albert Metie | Improvements in sparking plugs for internal combustion engines |
| US4509469A (en) * | 1979-12-21 | 1985-04-09 | Lacrex Brevetti S.A. | Break ignition plug |
| CN2326862Y (en) * | 1998-03-31 | 1999-06-30 | 烟台开发区龙源电力燃烧控制工程有限公司 | Firing gun for plasma ignition device |
| CN101463764A (en) * | 2009-01-09 | 2009-06-24 | 哈尔滨工程大学 | High-energy plasma igniter of gas turbine |
| CN202645738U (en) * | 2012-07-10 | 2013-01-02 | 烟台龙源电力技术股份有限公司 | Plasma igniter and combustion gas turbine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844093A (en) * | 2018-08-15 | 2018-11-20 | 中山市铧禧电子科技有限公司 | A kind of test device of accurate adjustment and measurement igniter arcing distance |
| CN110145400A (en) * | 2019-05-21 | 2019-08-20 | 大连民族大学 | A kind of double mode plasma igniter |
| CN110145400B (en) * | 2019-05-21 | 2022-12-13 | 大连民族大学 | Dual-mode plasma igniter |
| CN116557147A (en) * | 2023-07-10 | 2023-08-08 | 中国人民解放军空军工程大学 | Plasma detonation device, rotary detonation engine and detonation method |
| CN116557147B (en) * | 2023-07-10 | 2023-09-12 | 中国人民解放军空军工程大学 | Plasma detonation device, rotary detonation engine and detonation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102720589B (en) | 2014-07-16 |
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Granted publication date: 20140716 Termination date: 20200710 |