CN204835197U - High -power xenon lamp pulse preionization power supply system - Google Patents
High -power xenon lamp pulse preionization power supply system Download PDFInfo
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- CN204835197U CN204835197U CN201520558597.1U CN201520558597U CN204835197U CN 204835197 U CN204835197 U CN 204835197U CN 201520558597 U CN201520558597 U CN 201520558597U CN 204835197 U CN204835197 U CN 204835197U
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Abstract
The utility model discloses a high -power xenon lamp pulse preionization power supply system, including the xenon lamp, trigger silk, high voltage generator, lead discharge DC power supply, preionization pulse generator and reverse isolation diode, triggering the silk and twining on the xenon lamp, the both ends of filament are connected to the high voltage generator, and the positive pole of reverse isolation diode, the negative pole of other end connection xenon lamp are connected to the main DC power supply one end of discharging. The positive pole of xenon lamp is connected to the negative pole of reverse isolation diode, and the positive pole and the negative pole of xenon lamp are connected respectively to preionization pulse generator's both ends, the high voltage generator provides up to ten thousand volts of ionization voltage in the twinkling of an eye for triggering the silk, preionization pulse generator gives xenon lamp both ends loading firing voltage, the reverse isolation diode prevents that firing voltage is used in the main DC power supply both ends of discharging, the main DC power supply that discharges provides operating voltage for the xenon lamp. The utility model discloses an independent preionization pulse generator provides firing voltage, and the cost is low, miniaturized simultaneously, can keep the high life under the high -power, is suitable for actual industrial application.
Description
Technical field
The present invention relates to laser technology field, refer in particular to a kind of high power xenon lamp impulse preionization powersupply system with reverse isolation diode.
Background technology
In conjunction with the development of current laser technology, current impulse type high-energy solid state laser generally by Nd3+:Glass as laser medium, impulse type xenon lamp is as pumping lamp.Xenon flash lamp selects high-quality filter ultraviolet quartz tube as lamp tube material, the electrode being xenon lamp with high-quality density electrode, at certain electricity input energy, the radianting capacity that xenon lamp produces is stronger than other gas, the features such as have pumping efficiency high, load capacity is strong, and the life-span is long.And light xenon flash lamp and need three voltages to be powered to xenon lamp by certain sequential relationship: trigger voltage, firing voltage and operating voltage.Trigger voltage: volt voltage up to ten thousand instantaneously, in order to puncture xenon lamp; Firing voltage: after xenon lamp punctures, need continue to provide a voltage, provide the electric current of 100-200mA, maintains the conducting of fluorescent tube low-resistance; Operating voltage: the xenon lamp provided by storage capacitor normally works required voltage.Xenon flash lamp power supply traditional on the market at present, moment volt voltage breakdown xenon lamp up to ten thousand is produced by a high pressure generator, and continue to provide the firing voltage of about 1500v to make low power xenon lamp maintain the low-resistance conducting of 100-200mA, then the voltage needed for normal work of about 1000v is provided by storage capacitor.
But, along with the development of high-power laser device, in order to obtain more high-power Output of laser, require that the xenon flash lamp input energy as optical pumping source can reach joule up to ten thousand, and have higher radiation efficiency, thus give off more energy in order to the large-scale neodymium glass laser of pumping and amplification system thereof.In order to meet xenon flash lamp height input energy, then must the size of xenon lamp be done greatly: two discharge electrode spacing and arc length at more than 350mm, more than internal diameter 20mm.And the firing voltage that above-mentioned traditional xenon lamp power supply provides due to high pressure generator is limited, the electric current of 100-200mA can not be provided for high power xenon lamp, maintain the conducting of fluorescent tube low-resistance, so be not enough to stablely light high power xenon lamp.Based on this problem, Shanghai Optics and Precision Mechanics institute, Chinese Academy of Sciences is studied, adopt impulse preionization technology, there is provided firing voltage by prepulsing power supply to xenon flash lamp, and prevent firing voltage to be carried on main discharge electric capacity with ignitron isolation, but the device that this electric power system uses, because huge structure is complicated, the defects such as the high power situation lower life-span is low, are suitable only for laboratory research, can not be used for practical application in industry.
Summary of the invention
In order to solve defect and the deficiencies such as above-mentioned electric power system apparatus structure bulky complex, life-span be low, the present invention proposes a kind of high power xenon lamp impulse preionization powersupply system of being isolated by quick high-pressure diode reverse.It can be powered to xenon lamp high stability, high efficiency, long-life, and miniaturized, and industrial applicibility is high.The technical solution used in the present invention is:
A kind of high power xenon lamp impulse preionization powersupply system, comprises xenon lamp, triggers silk, high pressure generator, main discharge DC power supply, the preionization pulse power and reverse isolation diode;
Described triggering silk is wrapped on the lamp body of described xenon lamp, described high pressure generator connects the two ends of described filament, described main discharge DC power supply is storage capacitor, the negative pole end that one end connects the positive pole of described reverse isolation diode, the other end of described storage capacitor connects described xenon lamp of described storage capacitor, the negative pole end of described reverse isolation diode connects the positive terminal of described xenon lamp, the described preionization pulse power is electric capacity, and the two ends of described electric capacity connect positive terminal and the negative pole end of described xenon lamp respectively;
Described high pressure generator provides moment voltaism ionization voltage up to ten thousand to described triggering silk, makes xenon ionization in described xenon lamp; The described preionization pulse power is charged by pulse current charge system, and the described preionization pulse power loads firing voltage to described xenon lamp two ends; Described reverse isolation diode prevents described firing voltage from acting on described main discharge DC power supply two ends; In described xenon lamp, xenon is low-resistance conducting; Described main discharge DC power supply is charged by DC charging system, and described main discharge DC power supply provides operating voltage for described xenon lamp.
Further, described high pressure generator comprises: step-up transformer T2, T3, diode D10, D11, D12, D13, D14, bi-directional voltage stabilizing diode U, electric capacity C1, C2, C3, C4, resistance R1, R2, R3, R4, R5, R6, inductance L 2, thyristor S;
T2 primary winding accesses 220V voltage between two ends, the negative pole of T2 auxiliary winding terminating diode D14 of the same name, the positive pole of T2 auxiliary winding different name termination D10; The negative pole of D10 is connected with the negative pole of D11, and D10 positive pole is connected with the negative pole of D13; The positive pole of D13 is connected with the positive pole of D14; The negative pole of D14 is connected with the positive pole of D11; The negative pole of D11 is connected with the positive pole of D12, the negative pole of a termination D12 of L2, one end of the other end contact hair of L2; The positive pole of the termination D14 after R1 and C1 parallel connection, the other end of the other end contact hair after R1 and C1 parallel connection; The negative pole of the one termination D10 of R2, the positive pole of another termination capacitor C3 of R2; The negative pole of C3 connects T3 primary winding different name end; The positive pole of R3 mono-termination capacitor C3, another termination C2 positive pole of R3, the negative pole of C2 connects T3 auxiliary winding different name end; R5 is connected in parallel on C2 two ends, the R4 mono-termination R3 other end, one end of another termination bi-directional voltage stabilizing diode of R4 U, one end of another termination R6 of bi-directional voltage stabilizing diode U; The negative pole of another termination C2 of R6; The gate leve of thyristor S connects one end of R6, and the anode of thyristor S connects the positive pole of electric capacity C3, and the negative electrode of thyristor S connects T3 auxiliary winding different name end; T3 auxiliary winding termination C4 positive pole of the same name, C4 negative pole connects the other end of L2; T3 primary winding Same Name of Ends ground connection.
Further, described DC charging system adopts full-bridge frequency voltage-type charging circuit surely, and described DC charging system comprises: triode Q1, Q2, Q3, Q4, diode D1, D2, D3, D4, D5, D6, D8, D9, inductance L 1, step-up transformer T1;
Access the 380V voltage after pressurizer voltage stabilizing between the collector electrode of Q1 and the emitter of Q3, the collector electrode of Q1 is connected with the negative pole of D1, and the emitter of Q1 is connected with the positive pole of D1; The collector electrode of Q2 is connected with the negative pole of D2, and the emitter of Q2 is connected with the positive pole of D2; The collector electrode of Q3 is connected with the negative pole of D3, and the emitter of Q3 is connected with the positive pole of D3; The collector electrode of Q4 is connected with the negative pole of D4, and the emitter of Q4 is connected with the positive pole of D4; The collector electrode of Q1 is connected with the collector electrode of Q2, and the emitter of Q1 is connected with the collector electrode of Q3; The emitter of Q3 is connected with the emitter of Q4; The emitter of Q2 is connected with the collector electrode of Q4; One end of L1 is connected with the emitter of Q1, and the other end of L1 is connected with step-up transformer T1 primary winding Same Name of Ends; T1 primary winding different name end is connected with the emitter of Q2, and T1 auxiliary winding Same Name of Ends is connected with the positive pole of D5, and T1 auxiliary winding different name end is connected with D6 positive pole; The positive pole of D5 is connected with D8 negative pole, and the negative pole of D5 is connected with D6 negative pole; The positive pole of D8 is connected with the positive pole of D9, and the negative pole of D9 is connected with the positive pole of D6, and the negative pole of D6 connects the positive pole of main discharge DC power supply, and the positive pole of D9 connects the negative pole of main discharge DC power supply.
Further, described pulse current charge system is inverse-excitation type charging circuit, and described pulse current charge system comprises: switching tube g, step-up transformer T4, diode D15;
The drain electrode of switching tube g is connected with T4 primary winding different name end, accesses 220v voltage between step-up transformer T4 primary winding Same Name of Ends and the source electrode of switching tube g; T4 auxiliary winding different name end is connected with the positive pole of D15, and the negative pole of D15 is connected with the positive pole of the preionization pulse power, and T4 auxiliary winding Same Name of Ends is connected with the negative pole of the preionization pulse power.
Further, described firing voltage is several thousand volts, and described operating voltage is several thousand volts.
Further, described high pressure generator can produce the high pressure of 30kV.
Further, the capacity of described storage capacitor is 600 μ F, and the capacity of described electric capacity is 1 μ F.
Further, described reverse isolation diode is ZP300A5000V type quick high-pressure isolating diode, and described triggering silk is nichrome wire.
Compared to the prior art, beneficial effect of the present invention:
(1) provide firing voltage with the independently preionization pulse power, can stablize, the high efficiency xenon flash lamp lighted needed for macro-energy solid state laser;
(2) in required element, major part is only common diode, and cost is low, miniaturized, keeps the high life equally, be suitable for practical application in industry under high-pressure situations.
(3) the present invention can improve the radiation efficiency of xenon lamp, reaches the object of energy savings.
(4) the present invention can reduce colour temperature and discharge peak currents, improves the stability of xenon flash lamp electric discharge, makes Output of laser energy stabilization simultaneously.
Accompanying drawing explanation
The double accompanying drawing that makes an abstract of Fig. 1: the schematic diagram of high power xenon lamp impulse preionization powersupply system, this figure;
Fig. 2: DC charging system circuit diagram;
Fig. 3: pulse current charge system circuit diagram;
Fig. 4: high-voltage generator circuit figure;
Fig. 5: three grades of amplification neodymium glass laser index paths;
The spot energy distribution figure that Fig. 6: three grades of amplification neodymium glass lasers export.
Mark in figure: 1-xenon lamp; 2-triggers silk; 3-high pressure generator; 4-main discharge DC power supply; The 5-preionization pulse power; 6-reverse isolation diode; 7-laser oscillator; 8-preparation amplifier; 9-the Ith grade of amplifier; 10-the IIth grade of amplifier; 11-xenon lamp 1.; 12-xenon lamp 2.; 13-xenon lamp 3.; 14-DC charging system; 15-pulse current charge system.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 1, the present invention proposes a kind of high power xenon lamp impulse preionization powersupply system, comprising: xenon lamp 1, triggering silk 2, high pressure generator 3, main discharge DC power supply 4, the preionization pulse power 5, reverse isolation diode 6.Described triggering silk 2 is wrapped on the lamp body of described xenon lamp 1; Described high pressure generator 3 is the transforming circuit that can produce moment volt voltage up to ten thousand, and the output of high pressure generator 3 connects the two ends of described triggering silk 2 respectively; Described main discharge DC power supply 4 is storage capacitor, and by DC charging system 14 to its charging, the positive pole of main discharge DC power supply 4 is connected in series the positive pole of described reverse isolation diode 6, and the negative pole of main discharge DC power supply 4 connects the negative pole of described xenon lamp 1; The negative pole of described reverse isolation diode 6 connects the positive pole of described xenon lamp 1; The positive pole of the described preionization pulse power 5 connects the positive pole of described xenon lamp 1, and the negative pole of the described preionization pulse power 5 connects the negative pole of described xenon lamp 1.
The ZP300A5000V type quick high-pressure isolating diode that described reverse isolation diode 6 is produced for Shanghai rectifier factory, triggering silk 2 is nichrome wire, main discharge DC power supply 4 is energy storage 600 μ F electric capacity, by DC charging system 14 to its charging, the preionization pulse power 5 is the electric capacity of 1 μ F, by pulse current charge system 15 to its charging.
The operation principle of a kind of high power xenon lamp impulse preionization powersupply system that the present invention proposes and process are:
The trigger voltage of moment volt up to ten thousand is provided by described high pressure generator 3, in order to ionize the xenon in described xenon lamp 1, then firing voltage is provided by the described preionization pulse power 5, described firing voltage is several thousand volts, general accepted value is 3000-4000V, depending on concrete xenon lamp parameter, maintains the electric current of 100-200mA, make xenon lamp 1 keep low-resistance conducting state, described reverse isolation diode 6 prevents firing voltage to be carried on main discharge DC power supply 4; When the preionization pulse power 5 discharge off, reverse isolation diode 6 two ends electrical potential difference forms reversion, thus conducting, and then by main discharge DC power supply 4 for xenon lamp 1 provides normal required operating voltage, described operating voltage is several thousand volts, depending on concrete xenon lamp parameter, general accepted value is 2000-3000V.
As shown in Figure 2, be DC charging system circuit diagram.DC charging system 14 is full-bridge frequency voltage-type charging circuit surely, and described DC charging system 14 comprises: triode Q1, Q2, Q3, Q4, diode D1, D2, D3, D4, D5, D6, D8, D9, inductance L 1, step-up transformer T1;
Access the 380V voltage after pressurizer voltage stabilizing between the collector electrode of Q1 and the emitter of Q3, the collector electrode of Q1 is connected with the negative pole of D1, and the emitter of Q1 is connected with the positive pole of D1; The collector electrode of Q2 is connected with the negative pole of D2, and the emitter of Q2 is connected with the positive pole of D2; The collector electrode of Q3 is connected with the negative pole of D3, and the emitter of Q3 is connected with the positive pole of D3; The collector electrode of Q4 is connected with the negative pole of D4, and the emitter of Q4 is connected with the positive pole of D4; The collector electrode of Q1 is connected with the collector electrode of Q2, and the emitter of Q1 is connected with the collector electrode of Q3; The emitter of Q3 is connected with the emitter of Q4; The emitter of Q2 is connected with the collector electrode of Q4; One end of L1 is connected with the emitter of Q1, and the other end of L1 is connected with step-up transformer T1 primary winding Same Name of Ends; T1 primary winding different name end is connected with the emitter of Q2, and T1 auxiliary winding Same Name of Ends is connected with the positive pole of D5, and T1 auxiliary winding different name end is connected with D6 positive pole; The positive pole of D5 is connected with D8 negative pole, and the negative pole of D5 is connected with D6 negative pole; The positive pole of D8 is connected with the positive pole of D9, and the negative pole of D9 is connected with the positive pole of D6, and the negative pole of D6 connects the positive pole of main discharge DC power supply 4, and the positive pole of D9 connects the negative pole of main discharge DC power supply 4.
As shown in Figure 3, be pulse current charge system circuit diagram.Pulse current charge system 15 is inverse-excitation type charging circuit, and described pulse current charge system 15 comprises: switching tube g, step-up transformer T4, diode D15;
The drain electrode of switching tube g is connected with T4 primary winding different name end, accesses 220v voltage between step-up transformer T4 primary winding Same Name of Ends and the source electrode of switching tube g; T4 auxiliary winding different name end is connected with the positive pole of D15, and the negative pole of D15 is connected with the positive pole of the preionization pulse power 5, and T4 auxiliary winding Same Name of Ends is connected with the negative pole of the preionization pulse power 5.
As shown in Figure 4, be high-voltage generator circuit figure, high pressure generator 3 is a circuit that can produce moment volt high pressure up to ten thousand, and mesohigh generator 3 of the present invention can produce the high pressure of 30kV.Described high pressure generator 3 comprises: step-up transformer T2, T3, diode D10, D11, D12, D13, D14, bi-directional voltage stabilizing diode U, electric capacity C1, C2, C3, C4, resistance R1, R2, R3, R4, R5, R6, inductance L 2, thyristor S;
T2 primary winding accesses 220V voltage between two ends, the negative pole of T2 auxiliary winding terminating diode D14 of the same name, the positive pole of T2 auxiliary winding different name termination D10; The negative pole of D10 is connected with the negative pole of D11, and D10 positive pole is connected with the negative pole of D13; The positive pole of D13 is connected with the positive pole of D14; The negative pole of D14 is connected with the positive pole of D11; The negative pole of D11 is connected with the positive pole of D12, the negative pole of a termination D12 of L2, one end of the other end contact hair 2 of L2; The positive pole of the termination D14 after R1 and C1 parallel connection, the other end of the other end contact hair 2 after R1 and C1 parallel connection; The negative pole of the one termination D10 of R2, the positive pole of another termination capacitor C3 of R2; The negative pole of C3 connects T3 primary winding different name end; The positive pole of R3 mono-termination capacitor C3, another termination C2 positive pole of R3, the negative pole of C2 connects T3 auxiliary winding different name end; R5 is connected in parallel on C2 two ends, the R4 mono-termination R3 other end, one end of another termination bi-directional voltage stabilizing diode of R4 U, one end of another termination R6 of bi-directional voltage stabilizing diode U; The negative pole of another termination C2 of R6; The gate leve of thyristor S connects one end of R6, and the anode of thyristor S connects the positive pole of electric capacity C3, and the negative electrode of thyristor S connects T3 auxiliary winding different name end; T3 auxiliary winding termination C4 positive pole of the same name, C4 negative pole connects the other end of L2; T3 primary winding Same Name of Ends ground connection.
Embodiments of the invention:
As shown in Figure 5, be the index path of three grades of amplification neodymium glass lasers, comprise laser oscillator 7, preparation amplifier 8, the Ith grade of amplifier 9, the IIth grade of amplifier 10; Due to laser technology requirement, the xenon lamp size of every grade need increase progressively step by step, and therefore this laser utilizes the high power xenon lamp of three different sizes as pumping source, and three high power xenon lamps are respectively: xenon lamp 1. 11, xenon lamp 2. 12 and xenon lamp 3. 13.Wherein xenon lamp 1. 11 internal diameter be 20mm, external diameter is 22mm, and two die openings are 350mm; Xenon lamp 2. 12 internal diameter be 26mm, external diameter is 28mm, and two die openings are 350mm; Xenon lamp 3. 13 internal diameter be 30mm, external diameter is 32mm, and two die openings are 350mm.Xenon lamp 1. 11, xenon lamp 2. 12 and xenon lamp 3. 13 all adopt the circuit working principle shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 4.
Xenon lamp 1. 11 work time, DC charging system 14 fills 2000V operating voltage for main discharge DC power supply 4; Pulse current charge system 15 fills 3000V firing voltage for the preionization pulse power 5; By high pressure generator 3 for xenon lamp 1. 11 provide moment 30kV trigger voltage, in order to ionize the xenon of xenon lamp 1. in 11, then 3000V firing voltage is provided by the preionization pulse power 5, maintain the electric current of 100-200mA in fluorescent tube, make xenon lamp 1. 11 fluorescent tube keep low-resistance conducting state, reverse isolation diode 6 prevents firing voltage to be carried on main discharge DC power supply 4; When the preionization pulse power 5 is discharged to voltage lower than 2000V, reverse isolation diode 6 two ends electrical potential difference forms reversion, thus conducting, finally provide the 2000V voltage needed for normal work by described main discharge DC power supply 4.
Xenon lamp 2. 12 work time, DC charging system 14 fills 2300V operating voltage for main discharge DC power supply 4; Pulse current charge system 15 fills 3500V firing voltage for the preionization pulse power 5; By high pressure generator 3 for xenon lamp 2. 12 provide moment 30kV trigger voltage, in order to ionize the xenon of xenon lamp 2. in 12, then 3500V firing voltage is provided by the preionization pulse power 5, maintain the electric current of 100-200mA in fluorescent tube, make xenon lamp 2. 12 fluorescent tube keep low-resistance conducting state, reverse isolation diode 6 prevents firing voltage to be carried on main discharge DC power supply 4; When the preionization pulse power 5 is discharged to voltage lower than 2300V, reverse isolation diode 6 two ends electrical potential difference forms reversion, thus conducting, finally provide the 2300V voltage needed for normal work by described main discharge DC power supply 4.
Xenon lamp 3. 13 work time, DC charging system 14 fills 2500V operating voltage for main discharge DC power supply 4; Pulse current charge system 15 fills 4000V firing voltage for the preionization pulse power 5; By high pressure generator 3 for xenon lamp 3. 13 provide moment 30kV trigger voltage, in order to ionize the xenon of xenon lamp 3. in 13, then 4000V firing voltage is provided by the preionization pulse power 5, maintain the electric current of 100-200mA in fluorescent tube, make xenon lamp 3. 13 fluorescent tube keep low-resistance conducting state, reverse isolation diode 6 prevents firing voltage to be carried on main discharge DC power supply 4; When the preionization pulse power 5 is discharged to voltage lower than 2500V, reverse isolation diode 6 two ends electrical potential difference forms reversion, thus conducting, finally provide the 2500V voltage needed for normal work by described main discharge DC power supply 4.
As shown in Figure 6, for the output facula energy profile of grade amplification neodymium glass laser of three shown in Fig. 5, can find out that Output of laser is Gauss's hot spot of standard, illustrate that the laser of the high power xenon lamp impulse preionization powersupply system adopting the present invention to propose can produce high-quality hot spot, there is good practicality.
The above is only for describing technical scheme of the present invention and specific embodiment; the protection range be not intended to limit the present invention; should understand; under the prerequisite without prejudice to flesh and blood of the present invention and spirit, institute changes, improve or be equal to replacement etc. all will fall within the scope of protection of the present invention.
Claims (8)
1. a high power xenon lamp impulse preionization powersupply system, it is characterized in that, comprise xenon lamp (1), trigger silk (2), high pressure generator (3), main discharge DC power supply (4), the preionization pulse power (5) and reverse isolation diode (6);
Described triggering silk (2) is wrapped on the lamp body of described xenon lamp (1), described high pressure generator (3) connects the two ends of described triggering silk (2), described main discharge DC power supply (4) is storage capacitor, one end of described storage capacitor connects the positive pole of described reverse isolation diode (6), the other end of described storage capacitor connects the negative pole end of described xenon lamp (1), the negative pole end of described reverse isolation diode (6) connects the positive terminal of described xenon lamp (1), the described preionization pulse power (5) is electric capacity, the two ends of described electric capacity connect positive terminal and the negative pole end of described xenon lamp (1) respectively,
Described high pressure generator (3) provides moment voltaism ionization voltage up to ten thousand to described triggering silk (2), makes the interior xenon ionization of described xenon lamp (1); The described preionization pulse power (5) is charged by pulse current charge system (15), and the described preionization pulse power (5) loads firing voltage to described xenon lamp (1) two ends; Described reverse isolation diode (6) prevents described firing voltage from acting on described main discharge DC power supply (4) two ends; Described xenon lamp (1) interior xenon is low-resistance conducting; Described main discharge DC power supply (4) is charged by DC charging system (14), and described main discharge DC power supply (4) provides operating voltage for described xenon lamp (1).
2. a kind of high power xenon lamp impulse preionization powersupply system according to claim 1, it is characterized in that, described high pressure generator (3) comprising: step-up transformer T2, T3, diode D10, D11, D12, D13, D14, bi-directional voltage stabilizing diode U, electric capacity C1, C2, C3, C4, resistance R1, R2, R3, R4, R5, R6, inductance L 2, thyristor S;
T2 primary winding accesses 220V voltage between two ends, the negative pole of T2 auxiliary winding terminating diode D14 of the same name, the positive pole of T2 auxiliary winding different name termination D10; The negative pole of D10 is connected with the negative pole of D11, and D10 positive pole is connected with the negative pole of D13; The positive pole of D13 is connected with the positive pole of D14; The negative pole of D14 is connected with the positive pole of D11; The negative pole of D11 is connected with the positive pole of D12, the negative pole of a termination D12 of L2, one end of the other end contact hair 2 of L2; The positive pole of the termination D14 after R1 and C1 parallel connection, the other end of the other end contact hair 2 after R1 and C1 parallel connection; The negative pole of the one termination D10 of R2, the positive pole of another termination capacitor C3 of R2; The negative pole of C3 connects T3 primary winding different name end; The positive pole of R3 mono-termination capacitor C3, another termination C2 positive pole of R3, the negative pole of C2 connects T3 auxiliary winding different name end; R5 is connected in parallel on C2 two ends, the R4 mono-termination R3 other end, one end of another termination bi-directional voltage stabilizing diode of R4 U, one end of another termination R6 of bi-directional voltage stabilizing diode U; The negative pole of another termination C2 of R6; The gate leve of thyristor S connects one end of R6, and the anode of thyristor S connects the positive pole of electric capacity C3, and the negative electrode of thyristor S connects T3 auxiliary winding different name end; T3 auxiliary winding termination C4 positive pole of the same name, C4 negative pole connects the other end of L2; T3 primary winding Same Name of Ends ground connection.
3. a kind of high power xenon lamp impulse preionization powersupply system according to claim 1, it is characterized in that, described DC charging system (14) adopts full-bridge frequency voltage-type charging circuit surely, described DC charging system (14) comprising: triode Q1, Q2, Q3, Q4, diode D1, D2, D3, D4, D5, D6, D8, D9, inductance L 1, step-up transformer T1;
Access the 380V voltage after pressurizer voltage stabilizing between the collector electrode of Q1 and the emitter of Q3, the collector electrode of Q1 is connected with the negative pole of D1, and the emitter of Q1 is connected with the positive pole of D1; The collector electrode of Q2 is connected with the negative pole of D2, and the emitter of Q2 is connected with the positive pole of D2; The collector electrode of Q3 is connected with the negative pole of D3, and the emitter of Q3 is connected with the positive pole of D3; The collector electrode of Q4 is connected with the negative pole of D4, and the emitter of Q4 is connected with the positive pole of D4; The collector electrode of Q1 is connected with the collector electrode of Q2, and the emitter of Q1 is connected with the collector electrode of Q3; The emitter of Q3 is connected with the emitter of Q4; The emitter of Q2 is connected with the collector electrode of Q4; One end of L1 is connected with the emitter of Q1, and the other end of L1 is connected with step-up transformer T1 primary winding Same Name of Ends; T1 primary winding different name end is connected with the emitter of Q2, and T1 auxiliary winding Same Name of Ends is connected with the positive pole of D5, and T1 auxiliary winding different name end is connected with D6 positive pole; The positive pole of D5 is connected with D8 negative pole, and the negative pole of D5 is connected with D6 negative pole; The positive pole of D8 is connected with the positive pole of D9, and the negative pole of D9 is connected with the positive pole of D6, and the negative pole of D6 connects the positive pole of main discharge DC power supply 4, and the positive pole of D9 connects the negative pole of main discharge DC power supply 4.
4. a kind of high power xenon lamp impulse preionization powersupply system according to claim 1, it is characterized in that, described pulse current charge system (15) is inverse-excitation type charging circuit, described pulse current charge system (15) comprising: switching tube g, step-up transformer T4, diode D15;
The drain electrode of switching tube g is connected with T4 primary winding different name end, accesses 220v voltage between step-up transformer T4 primary winding Same Name of Ends and the source electrode of switching tube g; T4 auxiliary winding different name end is connected with the positive pole of D15, and the negative pole of D15 is connected with the positive pole of the preionization pulse power 5, and T4 auxiliary winding Same Name of Ends is connected with the negative pole of the preionization pulse power 5.
5. a kind of high power xenon lamp impulse preionization powersupply system according to claim 1, it is characterized in that, described firing voltage is several thousand volts, and described operating voltage is several thousand volts.
6. a kind of high power xenon lamp impulse preionization powersupply system according to claim 1 and 2, it is characterized in that, described high pressure generator (3) can produce 30kV high pressure.
7. a kind of high power xenon lamp impulse preionization powersupply system according to claim 1, is characterized in that, the capacity of described storage capacitor is 600 μ F, and the capacity of described electric capacity is 1 μ F.
8. a kind of high power xenon lamp impulse preionization powersupply system according to claim 1, it is characterized in that, described reverse isolation diode (6) is ZP300A5000V type quick high-pressure isolating diode, and described triggering silk (2) is nichrome wire.
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| CN201520558597.1U CN204835197U (en) | 2015-07-29 | 2015-07-29 | High -power xenon lamp pulse preionization power supply system |
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| CN201520558597.1U Expired - Fee Related CN204835197U (en) | 2015-07-29 | 2015-07-29 | High -power xenon lamp pulse preionization power supply system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006731A (en) * | 2015-07-29 | 2015-10-28 | 江苏大学 | High power xenon lamp pulse preionization power supply system |
| CN112715057A (en) * | 2018-09-13 | 2021-04-27 | 罗瓦克有限责任公司 | Method and apparatus for flash control |
| CN113543399A (en) * | 2021-09-14 | 2021-10-22 | 中国工程物理研究院流体物理研究所 | Pulse xenon lamp light source for realizing square wave characteristic output, control method and test system |
-
2015
- 2015-07-29 CN CN201520558597.1U patent/CN204835197U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105006731A (en) * | 2015-07-29 | 2015-10-28 | 江苏大学 | High power xenon lamp pulse preionization power supply system |
| CN105006731B (en) * | 2015-07-29 | 2018-11-06 | 江苏大学 | A kind of high power xenon lamp impulse preionization powersupply system |
| CN112715057A (en) * | 2018-09-13 | 2021-04-27 | 罗瓦克有限责任公司 | Method and apparatus for flash control |
| CN113543399A (en) * | 2021-09-14 | 2021-10-22 | 中国工程物理研究院流体物理研究所 | Pulse xenon lamp light source for realizing square wave characteristic output, control method and test system |
| CN113543399B (en) * | 2021-09-14 | 2022-04-29 | 中国工程物理研究院流体物理研究所 | Pulse xenon lamp light source for realizing square wave characteristic output, control method and test system |
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