CN105472854A - Ignition device of capacitive resonance charging type high-pressure gas discharge lamp - Google Patents
Ignition device of capacitive resonance charging type high-pressure gas discharge lamp Download PDFInfo
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- CN105472854A CN105472854A CN201410385570.7A CN201410385570A CN105472854A CN 105472854 A CN105472854 A CN 105472854A CN 201410385570 A CN201410385570 A CN 201410385570A CN 105472854 A CN105472854 A CN 105472854A
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Abstract
The invention discloses an ignition device of a capacitive resonance charging type high-pressure gas discharge lamp, wherein no spark gap discharge exists and an auxiliary power supply can be saved. The ignition device of the capacitive resonance charging type high-pressure gas discharge lamp has advantages of low electromagnetic interference, high system stability, no easy saturation of a magnetic core, easy ignition to a high-pressure gas discharge lamp, etc.
Description
Technical field
The present invention designs the igniter of the rechargeable hyperbar gaseous discharge lamp of a kind of capacitor resonance, belongs to the igniter of the high-voltage gas discharging light in Laser Power Devices and lighting power supply system.
Background technology
For Laser Power Devices, final effective object is gas pumping lamp, through the electric discharge of gas pumping lamp for laser provides pump energy.The ignition operation state of gas pumping lamp is divided into 1-build-up of luminance, 2-pre-burning and 3-high pressure arc discharge three stage, is a kind of unstable state process gas discharge of each stage more complicated.
In classical ignition system, as shown in Fig. 1 a, b, Fig. 2, figure a circuit belongs to external trigger type, and it is unreliable to light, and can not water flowing cooling discharge lamp, and be not suitable for anticyclonic discharge lamp, in figure b circuit, ignition voltage receives the electrode two ends of lamp 9.Therefore must add high pressure between main discharge circuit and lamp disconnecting relay 8, often containing giving combustion power supply 6 in this circuit.Circuit diagram 2 is firing circuits of the most widely used high-voltage gas discharging light at present.After capacitor 1 charges, thyristor SCR2 opens, gap 4 and pulse transformer 3 secondary parallel, the energy of accumulator 5 to the elementary electric discharge of transformer 3, the pulse voltage of secondary generation more than ten thousand volts.Under this voltage effect, gap 4 is breakdown, can be known by series resonance principal, inductance 4 and electric capacity 2 will obtain the pulse voltage that amplitude is U, after transformer 5 boosts, as long as nU value is greater than the gas breakdown voltage U j of lamp, the internal gas of lamp is just breakdown, form ionization channels, neutral gaseous discharge lamp becomes conductor, because the energy of ignition voltage is very little, , both end voltage because of lamp does not drop to the voltage U 0 provided lower than main circuit, immediately main electricity can not be ignited after puncturing, one must be had to give combustion voltage source 6 for this reason, the output voltage of this power supply is called ignition voltage.The effect of this voltage is after the gas of discharge lamp is breakdown, makes lamp obtain discharging current and increases, and the voltage at lamp two ends is lower further will fall, when the voltage drop at lamp two ends is to lower than main supply power voltage U
0time, U
0participate in electric discharge, make lamp successively-ignited, form stable arc discharge.Therefore giving combustion voltage source must provide enough power to make voltage of both ends of lamp drop to main supply power voltage U
0below value.To anticyclonic discharge lamp U
0be less than 70v, light electric current and be greater than 10 peaces, therefore giving combustion power supply 6 must provide at short notice and be greater than 700w power.
In above-mentioned ignition system, there is following problem, 1 owing to there being the existence of gap 3, to different lamps, will regulate the gap of gap at any time.The electromagnetic interference produced during gap electric discharge is very big, produce when lighting a fire and smell oxygen, 2 magnetic core of transformers are easily saturated, hyperbar lamp (as krypton lamp) is not easily lighted, 3 must have an energy to provide the accessory power supply 6 of enough energy in the short time, for these reasons, we have invented a kind of New Type of Ignition System that can overcome classical ignition system the problems referred to above, the simple cost of circuit is low, and igniting is reliable.
Summary of the invention
The object of this invention is to provide a kind of igniter not needing gap 3 not need the hyperbar gaseous discharge lamp giving combustion power supply 6.
The present invention adopts following technical scheme for achieving the above object: as shown in Figure 2, it comprises inversion piezoelectric transformer (8), output capacitance (1), high-voltage energy storage capacitor (2) electric discharge thyristor (3). step-up auto-transformer (4), resonant charging electric capacity (5), discharge lamp (6); Contravariant transformer (8) has two groups to export tap, be connected to through rectifier (9) (10) and isolating diode (11) on output capacitance (1) and high-voltage energy storage capacitor (2), high-voltage energy storage device (2) is connected to the anode of electric discharge thyristor (3), the negative electrode of electric discharge thyristor (3) is connected to the input of igniting step-up transformer (4), one end of resonant capacitance (5) is received, the other end ground connection of resonant capacitance (5) in two circle place taps of the close input of step-up auto-transformer; The output of step-up transformer (4) is connected with the anode of discharge lamp (6), the minus earth of discharge lamp;
describedtwo groups of output voltages of main contravariant transformer (8) are charged to certain voltage to respectively output capacitance (1) and high-voltage energy storage capacitor (2).It is E that output capacitance (1) obtains voltage
0, high-voltage capacitance obtaining voltage is U
0;
After electric discharge thyristor (3) is opened by drive singal, voltage on high voltage energy-storage capacitor (2) is charged to resonant capacitance (5) by primary coil 1,2 end of step-up auto-transformer (4), charging current generates high-voltage pulse at the high-pressure side of step-up transformer, and this high-voltage pulse makes lamp puncture; At the end of resonant capacitance (5) charging, owing to being resonant charging, being charged to, is boosting coefficient.2>>1。As the voltage giving combustion power supply; Resonant capacitance (5) is after lamp is breakdown, and this voltage, further to lamp (6) electric discharge, makes lamp (6) both end voltage continue to decline, until lower than the discharge voltage E in output capacitance (1)
0, at this moment output capacitance is discharged to lamp, completes the ignition procedures of high-pressure discharge lamp.
The igniter of capacitor resonance punching of the present invention is exactly in fact adopt the resonant charging process of resonant capacitance to be formed to give combustion voltage.Both the high-voltage pulses simultaneously formed in resonant charging process are unified gaseous discharge lamp are lighted.
The high pressure winding of main electric contravariant transformer (8) is that high-voltage energy storage device (2) provides primary power, what save additional relatively high power gives combustion power supply, step-up auto-transformer (4) is formed by annular ferrite core coiling, and it provides high tension ignition pulse, saves gap.
The igniter of the rechargeable hyperbar gaseous discharge lamp of capacitor resonance of the present invention, saves gap and gives combustion power supply, interference being reduced greatly, weight saving, and cost declines.Can be applied to widely in the power supply of Laser Power Devices and hyperbar lamp.
Accompanying drawing explanation
Fig. 1 is that conventional point ignition circuit shows schematic diagram;
Fig. 2 is the structural representation of circuit of the present invention;
Fig. 3 is circuit theory diagrams of the present invention.
Embodiment
embodiment 1the igniter of the rechargeable hyperbar gaseous discharge lamp of a kind of capacitor resonance.
Capacitor resonance of the present invention rechargeable hyperbar gas discharge lamp ignition apparatus specific implementation process 2 is described in detail as follows with accompanying drawing 3 by reference to the accompanying drawings:
Integrated structure Fig. 2 illustrates composition structure of the present invention.Capacitor resonance of the present invention rechargeable hyperbar gas discharge lamp ignition apparatus structure chart is found out, the present invention includes high-voltage capacitance energy storage network, discharge network, self coupling step-up transformer firing circuit, and resonant capacitance energy storage network forms.Their annexation is as follows: electric capacity one end of high-voltage energy storage network receives the anode of the discharge switch thyristor in discharge network, the negative electrode of thyristor receives the input from even step-up transformer, one end of resonant capacitance is received in the tap of autotransformer, the other end ground connection of resonant capacitance.The anode of gaseous discharge lamp is terminated to, the other end minus earth of lamp from the High voltage output of even step-up transformer.When drive singal of lighting a fire is added to the control pole of electric discharge thyristor, thyristor is open-minded, and the voltage on accumulator is charged to resonant capacitance by the coil of step-up transformer, and resonant capacitance is charged to voltage
, charging current produces high voltage pulse at the high-pressure side of step-up auto-transformer, and this high pressure makes discharge lamp puncture.Voltage simultaneously on resonant capacitance is also to lamp electric discharge, and make the both end voltage of discharge lamp drop to below main supply power voltage, main power supply is discharged to lamp, completes lighting lamp process.
Found out by capacitor resonance rechargeable hyperbar gas discharge lamp ignition apparatus electrical schematic 3, high-voltage energy storage network is by main contravariant transformer, high-voltage rectifier bridge V1().Current-limiting resistance R1(10K/2W), high voltage energy-storage capacitor C1 (30 μ/1400V) composition.The High AC voltage of the secondary high pressure winding of main transformer is direct voltage through rectifier bridge V1 rectification, and this voltage is charged to high voltage energy-storage capacitor C1 by current-limiting resistance R1, and high-voltage energy storage device obtains certain voltage.This voltage will be used for igniting and charge to resonant capacitance C2 (2 μ/1600V).
Discharge network in Fig. 3 is made up of electric discharge thyristor V2 (MFC100/16E) and the source driving signal S1 (BT-33) of thyristor and protection and absorb circuit R2 (50 Ω/5W) C3 (0.1 μ/1600V) of thyristor V2; the positive pole of thyristor V2 receives the positive high voltage end of high-voltage energy storage capacitor C1, and what the negative electrode of thyristor V2 received boosting ignition transformer T1 (MXO-120X80) enters end 1.The drive singal that the signal drive source of thyristor V2 produces is added to the control pole of electric discharge thyristor, makes it open-minded, and after thyristor V2 opens, what the voltage on high-voltage energy storage device C1 was added to step-up transformer T1 by thyristor V2 enters end 1.
Resonant capacitance network in Fig. 3 is made up of resonant capacitance C2 and fuse F (1A).One end of resonant capacitance C2 is received on tap 2 end of step-up auto-transformer T1, and the other end of resonant capacitor C2 receives one end of fuse F, the other end ground connection of fuse F.After electric discharge thyristor V2 opens, high-voltage energy storage capacitor C1 is discharged to resonant capacitance C2 by the elementary of transformer T1, instead of discharges directly to primary.In the process of electric discharge, the inductance L of primary coil of transformer T1 and resonant capacitance C2 form resonant charging.After charging terminates, the voltage that electric capacity C2 obtains is U
c.Under the condition of first approximation, when the Q value of transformer inductance is greater than 20.
The process that resonant capacitance C2 charges is a cosine charging process, and this electric current is not very large.Charging current forms igniting high-voltage pulse U at the high-pressure side of step-up transformer, high-voltage pulse disruptive discharge lamp, because high-voltage pulse does not unifrequently have gap so the interference of release is little.
Voltage U on resonant capacitor C2 participates in lamp electric discharge after lamp is breakdown, and the voltage at lamp two ends is declined further, plays the effect giving combustion power supply.So this igniter can save give combustion power supply.Among this dress, the energy of accumulator can discharge directly to lamp, saves electrion disconnecting relay, simplifies discharge circuit.Therefore this circuit can save the accessory power supply 6 in circuit diagram 2, reduces costs.
The present invention does not have gap to discharge, and saves accessory power supply, has that electromagnetic interference is little, system stability, magnetic core are not easily saturated, is easy to hyperbar lamp features such as lighting.
Claims (5)
1. the igniter of the rechargeable hyperbar gaseous discharge lamp of capacitor resonance, it is characterized in that, comprise inversion piezoelectric transformer (8), output capacitance (1), high-voltage energy storage capacitor (2) electric discharge thyristor (3). step-up auto-transformer (4), resonant charging electric capacity (5), discharge lamp (6).
2. according to claim 1, described contravariant transformer (8) has two groups to export tap, be connected to through described rectifier (9) (10) and described isolating diode (11) on described output capacitance (1) and described high-voltage energy storage capacitor (2), described high-voltage energy storage device (2) is connected to the anode of described electric discharge thyristor (3), the negative electrode of described electric discharge thyristor (3) is connected to the input of described igniting step-up transformer (4), one end of described resonant capacitance (5) is received in two circle place taps of the close input of described step-up auto-transformer, the other end ground connection of described resonant capacitance (5).The output of described step-up transformer (4) is connected with the anode of described discharge lamp (6), the minus earth of discharge lamp.
3., according to claim 1, two groups of output voltages of described main contravariant transformer (8) are charged to certain voltage to respectively described output capacitance (1) and described high-voltage energy storage capacitor (2).It is E that described output capacitance (1) obtains voltage
0, high-voltage capacitance obtaining voltage is U
0.
4. according to claim 1, it is described after electric discharge thyristor (3) is opened by drive singal, voltage on described high voltage energy-storage capacitor (2) is charged to described resonant capacitance (5) by primary coil 1,2 end of described step-up auto-transformer (4), charging current generates high-voltage pulse at the described high-pressure side of described step-up transformer, and high-voltage pulse described in this makes lamp puncture.
5.
according to claim 1, described resonant capacitance (5) charging at the end of, owing to being described resonant charging, be charged to, for boosting coefficient.2>>1。As the voltage giving combustion power supply.Resonant capacitance (5) is after lamp is breakdown, and this voltage, further to lamp (6) electric discharge, makes lamp (6) both end voltage continue to decline, until lower than the discharge voltage E in output capacitance (1) 0 , at this moment output capacitance is discharged to lamp, completes the ignition procedures of high-pressure discharge lamp.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385570.7A CN105472854B (en) | 2014-08-07 | 2014-08-07 | A kind of igniter of the rechargeable hyperbar gas-discharge lamp of capacitor resonance |
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|---|---|---|---|
| CN201410385570.7A CN105472854B (en) | 2014-08-07 | 2014-08-07 | A kind of igniter of the rechargeable hyperbar gas-discharge lamp of capacitor resonance |
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| CN105472854A true CN105472854A (en) | 2016-04-06 |
| CN105472854B CN105472854B (en) | 2018-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931221A (en) * | 2019-12-06 | 2020-03-27 | 西北核技术研究院 | Primary busbar and primary circuit structure of pulse transformer |
Citations (5)
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|---|---|---|---|---|
| US5396152A (en) * | 1990-12-05 | 1995-03-07 | Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen M.B.H. | Electrical circuit for the pulsed operation of high-pressure gas-discharge lamps |
| CN1166772A (en) * | 1996-05-27 | 1997-12-03 | 中国科学院上海光学精密机械研究所 | Short arc pulse gas discharge lamp discharge device |
| US5896013A (en) * | 1996-02-12 | 1999-04-20 | Advanced Lighting Technologies, Inc. | Operating circuit for an inductively ballasted arc discharge lamp |
| CN1857038A (en) * | 2003-07-23 | 2006-11-01 | 电灯专利信托有限公司 | Ballast for at least one fluorescent high pressure discharge lamp, method for operating said lamp and lighting system comprising said lamp |
| CN101742795A (en) * | 2010-01-28 | 2010-06-16 | 浙江工业大学 | Electronic ballast |
-
2014
- 2014-08-07 CN CN201410385570.7A patent/CN105472854B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5396152A (en) * | 1990-12-05 | 1995-03-07 | Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen M.B.H. | Electrical circuit for the pulsed operation of high-pressure gas-discharge lamps |
| US5896013A (en) * | 1996-02-12 | 1999-04-20 | Advanced Lighting Technologies, Inc. | Operating circuit for an inductively ballasted arc discharge lamp |
| CN1166772A (en) * | 1996-05-27 | 1997-12-03 | 中国科学院上海光学精密机械研究所 | Short arc pulse gas discharge lamp discharge device |
| CN1857038A (en) * | 2003-07-23 | 2006-11-01 | 电灯专利信托有限公司 | Ballast for at least one fluorescent high pressure discharge lamp, method for operating said lamp and lighting system comprising said lamp |
| CN101742795A (en) * | 2010-01-28 | 2010-06-16 | 浙江工业大学 | Electronic ballast |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931221A (en) * | 2019-12-06 | 2020-03-27 | 西北核技术研究院 | Primary busbar and primary circuit structure of pulse transformer |
| CN110931221B (en) * | 2019-12-06 | 2020-11-17 | 西北核技术研究院 | Primary busbar and primary circuit structure of pulse transformer |
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|---|---|
| CN105472854B (en) | 2018-12-18 |
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Inventor after: Liu Shi Inventor after: Zhang Liyun Inventor after: Sun Gaofei Inventor after: Zhang Jian Inventor after: Zhang Guoyu Inventor before: Zhang Guoyu Inventor before: Liu Shi Inventor before: Sun Gaofei |
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