CN2606852Y - Plasma gun low pressure firing device - Google Patents
Plasma gun low pressure firing device Download PDFInfo
- Publication number
- CN2606852Y CN2606852Y CN 03235811 CN03235811U CN2606852Y CN 2606852 Y CN2606852 Y CN 2606852Y CN 03235811 CN03235811 CN 03235811 CN 03235811 U CN03235811 U CN 03235811U CN 2606852 Y CN2606852 Y CN 2606852Y
- Authority
- CN
- China
- Prior art keywords
- plasma gun
- anode
- low pressure
- probe
- electromagnet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a plasma gun low pressure firing device, wherein, a short circuit probe is arranged between the cathode and anode of a plasma gun and is actively fixed on a base through a supporting point; one end of the probe contacts the anode, while the other end is connected with a push rod having the other end connected with an electromagnet; the electromagnet matches with an electromagnetic coil connected in series with a power supply through a firing switch; in addition, one end of the short circuit probe is connected with the anode of the plasma gun after being connected in series with a resistance. The utility model which adopts short circuit probe structure can realize firing of plasma gun at lower voltage, thereby avoiding burnout of high-power element of rectifying power supply caused by too high firing voltage and realizing stable and reliable work of power supply.
Description
Technical field
The utility model relates to power plant coal-burning boiler plasmatorch igniter, and especially a kind of grade is from rifle low pressure arc ignitor.
Background technology
The power plant does not have oil drop combustion lambskin with plasma torch, and at present successful at home and abroad example is few.During the plasma gun operate as normal, by its cathode and anode arc discharge, make compressed air be heated, activate ionization and form rotating the arc, the rapid heated compressed air of this rotating the arc forms plasma torch.Because mutual insulating between the plasma gun cathode and anode will make it enter arc discharge, just must add a high frequency, high pressure scratch start device, the high pressure that produces 10000 volts of frequency 120-1MHZ, voltage is attempted by on the plasma gun cathode and anode.When plasma gun started, 10,000 volts of high-frequency and high-voltages were attempted by on the ion gun cathode and anode, both can puncture air formation electric arc between cathode and anode; also puncture components and parts such as controllable silicon and heavy-duty diode simultaneously through regular meeting; cause huge waste, make the work of power supply unreliable, stability is poor.
Summary of the invention
The purpose of this utility model just provides that a kind of starting resistor is low, stable and reliable operation plasma gun low pressure arc ignitor.
Plasma gun low pressure arc ignitor of the present utility model is between the cathode and anode of plasma gun grounding probe to be set, grounding probe is fixed on the base by the fulcrum activity, one end of probe contacts with anode, the other end links to each other with push rod, the other end and the electromagnet of push rod join, electromagnet matches with solenoid, and solenoid joins with the plasma gun anode behind the one end series resistor of grounding probe by scratch start switch serial connection power supply.
Plasma gun low pressure arc ignitor operation principle of the present utility model is: before the scratch start, grounding probe one end contacts with the plasma gun anode, and the other end connects anode simultaneously through resistance; During scratch start, connect the scratch start switch, solenoid adhesive electromagnet drives pushrod movement, make grounding probe break away from anode and contact with negative electrode, form the closed-loop path between cathode and anode, probe moves on to the negative electrode transcient short circuit time from anode can produce short circuiting arc, makes plasma gun be activated into normal operating conditions immediately.Behind the scratch start, disconnect the scratch start switch, electromagnet is return under spring action.
Plasma gun low pressure arc ignitor of the present utility model adopts the grounding probe structure, can plasma gun carry out scratch start under lower voltage, can not burn the high-power components of rectifier power source because an arc voltage is too high, makes power work reliable and stable.
Description of drawings
Accompanying drawing is the utility model structural representation.
The specific embodiment
Plasma gun low pressure arc ignitor is that 2 on anode 1, negative electrode at plasma gun is provided with grounding probe 8, grounding probe 8 is fixed on the base 3 by fulcrum 9 activities, one end of probe 8 contacts with anode 1, the other end links to each other with push rod 7,7 of probe 8 and push rods are provided with stage clip 10, and the other end of push rod 7 and electromagnet 5 join, and electromagnet 5 matches with solenoid 6, solenoid 6 joins with plasma gun anode 1 behind the one end series resistor R of grounding probe 8 by scratch start K switch serial connection power supply.On electromagnet 5 and the grounding probe 8 extension spring 4 is set all.
Claims (3)
1, a kind of plasma gun low pressure arc ignitor, it is characterized in that: between the anode of plasma gun (1), negative electrode (2) grounding probe (8) is set, grounding probe (8) is fixed on the base (3) by fulcrum (9) activity, one end of probe (8) contacts with anode (1), the other end links to each other with push rod (7), and grounding probe (8) series resistor (R) back joins with plasma gun anode (1).
2, plasma gun low pressure arc ignitor according to claim 1, it is characterized in that: the other end of push rod (7) and electromagnet (5) join, electromagnet (5) matches with solenoid (6), solenoid (6) all is provided with extension spring (4) by scratch start switch (K) serial connection power supply on electromagnet (5) and the grounding probe (8).
3, plasma gun low pressure arc ignitor according to claim 1 and 2 is characterized in that: be provided with stage clip (10) between probe (8) and push rod (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03235811 CN2606852Y (en) | 2003-03-11 | 2003-03-11 | Plasma gun low pressure firing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03235811 CN2606852Y (en) | 2003-03-11 | 2003-03-11 | Plasma gun low pressure firing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2606852Y true CN2606852Y (en) | 2004-03-17 |
Family
ID=34166485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03235811 Expired - Fee Related CN2606852Y (en) | 2003-03-11 | 2003-03-11 | Plasma gun low pressure firing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2606852Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062305A (en) * | 2017-05-10 | 2017-08-18 | 哈尔滨工程大学 | A kind of magnetic field-intensification is oriented to plasma ignition nozzle |
| CN109216641A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Battery protection cover plate assembly, power battery and electric car |
-
2003
- 2003-03-11 CN CN 03235811 patent/CN2606852Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062305A (en) * | 2017-05-10 | 2017-08-18 | 哈尔滨工程大学 | A kind of magnetic field-intensification is oriented to plasma ignition nozzle |
| CN109216641A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Battery protection cover plate assembly, power battery and electric car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |