CN204206136U - A kind of new type electro Q-switch driving power - Google Patents
A kind of new type electro Q-switch driving power Download PDFInfo
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- CN204206136U CN204206136U CN201420635374.6U CN201420635374U CN204206136U CN 204206136 U CN204206136 U CN 204206136U CN 201420635374 U CN201420635374 U CN 201420635374U CN 204206136 U CN204206136 U CN 204206136U
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Abstract
The utility model discloses a kind of new type electro Q-switch driving power, comprise: be connected with external dc high-voltage power supply the switching circuit A inputted for opening high voltage pulse, be connected with described switching circuit A the switching circuit B exported for closing high voltage pulse, the pulse modulated circuit be connected with outer triggering signal for carrying out pulse-width modulation, be connected for the pulse driving circuit A of pulse transformer and pulse driving circuit B with described pulse modulated circuit, be connected with described pulse driving circuit A for the pulse transformer A of driving switch circuit A, and be connected for the pulse transformer B of driving switch circuit B with described pulse driving circuit B.The utility model achieves the short pulse laser technology of nanosecond, adopts pulse transformer method, thus realizes high-voltage high-speed opening and closing, and circuit interference is little, the advantages such as laser resonance cavity loss is little.
Description
Technical field
The utility model relates to laser application technique field, particularly a kind of new type electro Q-switch driving power.
Background technology
Electro-optical Q-switch driving power carries out pulse modulation by controlling adjustment optical switch to the laser that continuous wave laser exports.Its appearance and development are important breakthrough in laser development history, apply this technology and laser energy can be compressed in the narrow pulse of width and launch, thus make the peak power of laser improve a few number level.In order to produce the laser of high-peak power, narrow pulse width, the solid switch formula pulse power becomes the emphasis of research.In recent years, along with the fast development impetus of all solid state laser, and the development of semiconductor technology, the investigation and application for the solid switch formula pulse power plays very large facilitation.The solid switch formula pulse power has that rising edge of a pulse is exceedingly fast, pulse repetition frequency is high and impulse waveform such as easily to control at the advantage, become the emphasis of research both at home and abroad recently, the early stage outstanding result in this field is all complete in laboratory substantially, seldom be applied to commercialization laser, this also reflects this field in recent years and lacks the present situation of technological break-through.Although China starts late in this respect, also achieving huge progress at present.
In laser technology application, electric-optically Q-switched power supply opens and closes by controlling electrooptical switching, utilizes the electro optic effect of electrooptic crystal, realizes the pressurization of electrooptic crystal and moves back pressure, thus the loss size realized in optical resonance cavity changes according to certain mode, realize electric-optically Q-switched.Electro-optical Q-switch produces high-peak power laser pulse Primary Component, and the key factor affecting electric-optically Q-switched laser electrical efficiency is Q switching speed, and Q switching speed determines primarily of its drive circuit, how to improve Q switching speed and receives much attention always.
Utility model content
The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, provides a kind of new type electro Q-switch driving power, realizes nanosecond short pulse laser technology.The utility model adopts pulse transformer method, thus realizes high-voltage high-speed opening and closing, and circuit interference is little, the advantages such as laser resonance cavity loss is little.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of new type electro Q-switch driving power, comprise: be connected with external dc high-voltage power supply the switching circuit A inputted for opening high voltage pulse, be connected with described switching circuit A the switching circuit B exported for closing high voltage pulse, the pulse modulated circuit be connected with outer triggering signal for carrying out pulse-width modulation, be connected for the pulse driving circuit A of pulse transformer and pulse driving circuit B with described pulse modulated circuit, be connected with described pulse driving circuit A for the pulse transformer A of driving switch circuit A, and be connected for the pulse transformer B of driving switch circuit B with described pulse driving circuit B.
In technique scheme, described pulse modulated circuit produces 4 tunnel pulse modulation drive singal according to described outer triggering signal.
In technique scheme, described pulse driving circuit A comprises power field effect pipe Q1, Q2, Q3, Q4, resistance R1, R2, R3, R4 and electric capacity C1, C2, C3, C4; The grid of power field effect pipe Q1 is connected with one end of electric capacity C1 with resistance R1, an other termination power VCC1 of resistance R1, pulse modulation drive singal is connect after other one end of electric capacity C1 is connected with electric capacity C2 one end, one end of pulse transformer A primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q2, its source electrode meets power supply VCC1, the grid of power field effect pipe Q2 is connected with one end of electric capacity C2 with resistance R2, an other termination power VCC2 of resistance R2, the drain electrode of power field effect pipe Q2 connects power cathode; The grid of power field effect pipe Q3 is connected with one end of electric capacity C3 with resistance R3, an other termination power VCC1 of resistance R3, pulse modulation drive singal is connect after other one end of electric capacity C3 is connected with electric capacity C4 one end, other one end of pulse transformer A primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q4, its source electrode meets power supply VCC1, the grid of power field effect pipe Q4 is connected with one end of electric capacity C4 with resistance R4, an other termination power VCC2 of resistance R4, the drain electrode of power field effect pipe Q4 connects power cathode.
In technique scheme, described power field effect pipe Q1, Q3 are P raceway groove enhancement MOSFET, and described power field effect pipe Q2, Q4 are N raceway groove enhancement MOSFET.
In technique scheme, described pulse driving circuit B comprises power field effect pipe Q5, Q6, Q7, Q8, resistance R5, R6, R7, R8 and electric capacity C5, C6, C7, C8; The grid of power field effect pipe Q5 is connected with one end of electric capacity C5 with resistance R5, an other termination power VCC1 of resistance R5, pulse modulation drive singal is connect after other one end of electric capacity C5 is connected with electric capacity C6 one end, one end of pulse transformer B primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q6, its source electrode meets power supply VCC1, the grid of power field effect pipe Q6 is connected with one end of electric capacity C6 with resistance R6, an other termination power VCC2 of resistance R6, the drain electrode of power field effect pipe Q6 connects power cathode; The grid of power field effect pipe Q7 is connected with one end of electric capacity C7 with resistance R7, an other termination power VCC1 of resistance R7, pulse modulation drive singal is connect after other one end of electric capacity C7 is connected with electric capacity C8 one end, other one end of pulse transformer B primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q8, its source electrode meets power supply VCC1, the grid of power field effect pipe Q8 is connected with one end of electric capacity C8 with resistance R8, an other termination power VCC2 of resistance R8, the drain electrode of power field effect pipe Q8 connects power cathode.
In technique scheme, described power field effect pipe Q5, Q7 are P raceway groove enhancement MOSFET, and described power field effect pipe Q6, Q8 are N raceway groove enhancement MOSFET.
In technique scheme, described pulse transformer A and pulse transformer B is all the transformers be made up of toroidal core, the secondary coil of pulse transformer A and pulse transformer B comprises respectively at least more than twoly independently organizes winding more, resistance two ends between the power MOSFET grid often organizing winding difference connecting valve circuit A of pulse transformer A and source electrode, the resistance two ends between the power MOSFET grid often organizing winding difference connecting valve circuit B of pulse transformer B and source electrode.
In technique scheme, described switching circuit A and switching circuit B connects by least two power field effect pipes, one end of the field effect transistor of switching circuit A is connected with DC high-voltage power supply, the field effect transistor other end of switching circuit A is cascaded with the field effect transistor of switching circuit B and is connected with High voltage output, and other one end of field effect transistor of switching circuit B is connected with the ground of DC high-voltage power supply.
In technique scheme, described switching circuit A comprises four power field effect pipes Q9, Q10, Q11, Q12 and resistance R9, R10, R11, R12, each field effect transistor withstand voltage is 1KV, the drain electrode of power field effect pipe Q9 is connected with the positive pole of high direct voltage Gao Yuan, its drain electrode is connected with Q10 source electrode, and the drain electrode of Q10 is connected with the source electrode of Q11, and the drain electrode of Q11 is connected with the source electrode of Q12, the drain electrode of Q12 is connected with the source electrode of Q13, and exports with high voltage pulse and be connected; Described circuitry switching circuitry B comprises four power field effect pipes Q13, Q14, Q15, Q16 and resistance R13, R14, R15, R16, the drain electrode of Q13 is connected with the source electrode of Q14, the drain electrode of Q14 is connected with the source electrode of Q15, the drain electrode of Q15 is connected with the source electrode of Q16, and the negative pole of the drain electrode high-voltage power supply of Q16 is connected.
In technique scheme, described pulse transformer A has 4 groups of independently windings, it is often organized winding and is linked in sequence with resistance R9, R10, R11, R12 two ends respectively, and resistance R9, R10, R11, R12 two ends connect grid and the drain electrode two ends of Q9, Q10, Q11, Q12 of power field effect pipe respectively; Described pulse transformer B has 4 groups of independently windings, it is often organized winding and is linked in sequence with resistance R13, R14, R15, R16 two ends respectively, and resistance R13, R14, R15, R16 two ends connect grid and the drain electrode two ends of Q13, Q14, Q15, Q16 of power field effect pipe respectively.
The beneficial effects of the utility model are: provide a kind of new type electro Q-switch driving power, realize nanosecond short pulse laser technology.The utility model adopts pulse transformer method, thus realizes high-voltage high-speed opening and closing, and circuit interference is little, the advantages such as laser resonance cavity loss is little.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the utility model preferred embodiment;
Fig. 2 is the circuit theory diagrams of the utility model preferred embodiment.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As Fig. 1, shown in 2, it is respectively theory diagram and the circuit theory diagrams of the utility model preferred embodiment, a kind of new type electro Q-switch of the utility model driving power, comprise: be connected with external dc high-voltage power supply the switching circuit A inputted for opening high voltage pulse, be connected with described switching circuit A the switching circuit B exported for closing high voltage pulse, the pulse modulated circuit be connected with outer triggering signal for carrying out pulse-width modulation, be connected for the pulse driving circuit A of pulse transformer and pulse driving circuit B with described pulse modulated circuit, be connected with described pulse driving circuit A for the pulse transformer A of driving switch circuit A, and be connected for the pulse transformer B of driving switch circuit B with described pulse driving circuit B.
Pulse modulated circuit, according to outer triggering signal, produce 4 tunnel pulse modulation drive singal, i.e. PWM1, PWM2, PWM3, PWM4, wherein 2 road pulse-modulated signal PWM1 with PWM2 are connected with pulse driving circuit A, and two-way pulse-modulated signal PWM3 with PWM4 is connected with pulse driving circuit B in addition.
Circuit theory diagrams as shown in Figure 2, pulse driving circuit A comprises: power field effect pipe Q1, Q2, Q3, Q4, resistance R1, R2, R3, R4 and electric capacity C1, C2, C3, C4.The grid of power field effect pipe Q1 is connected with one end of electric capacity C1 with resistance R1, an other termination power VCC1 of resistance R1, pulse modulation drive singal is connect after other one end of electric capacity C1 is connected with electric capacity C2 one end, one end of pulse transformer A primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q2, its source electrode meets power supply VCC1, the grid of power field effect pipe Q2 is connected with one end of electric capacity C2 with resistance R2, an other termination power VCC2 of resistance R2, the drain electrode of power field effect pipe Q2 connects power cathode.The grid of power field effect pipe Q3 is connected with one end of electric capacity C3 with resistance R3, an other termination power VCC1 of resistance R3, pulse modulation drive singal is connect after other one end of electric capacity C3 is connected with electric capacity C4 one end, other one end of pulse transformer A primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q4, its source electrode meets power supply VCC1, the grid of power field effect pipe Q4 is connected with one end of electric capacity C4 with resistance R4, an other termination power VCC2 of resistance R4, the drain electrode of power field effect pipe Q4 connects power cathode.
Pulse driving circuit B comprises power field effect pipe Q5, Q6, Q7, Q8, resistance R5, R6, R7, R8 and electric capacity C5, C6, C7, C8; The grid of power field effect pipe Q5 is connected with one end of electric capacity C5 with resistance R5, an other termination power VCC1 of resistance R5, pulse modulation drive singal is connect after other one end of electric capacity C5 is connected with electric capacity C6 one end, one end of pulse transformer B primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q6, its source electrode meets power supply VCC1, the grid of power field effect pipe Q6 is connected with one end of electric capacity C6 with resistance R6, an other termination power VCC2 of resistance R6, the drain electrode of power field effect pipe Q6 connects power cathode; The grid of power field effect pipe Q7 is connected with one end of electric capacity C7 with resistance R7, an other termination power VCC1 of resistance R7, pulse modulation drive singal is connect after other one end of electric capacity C7 is connected with electric capacity C8 one end, other one end of pulse transformer B primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q8, its source electrode meets power supply VCC1, the grid of power field effect pipe Q8 is connected with one end of electric capacity C8 with resistance R8, an other termination power VCC2 of resistance R8, the drain electrode of power field effect pipe Q8 connects power cathode.
Above-mentioned power field effect pipe Q1, Q3, Q5, Q7 are P raceway groove enhancement MOSFET, and power field effect pipe Q2, Q4, Q6, Q8 are N raceway groove enhancement MOSFET.
In pulse driving circuit A, resistance R1 and R3 brings up to VCC1 respectively at the zero point of power field effect pipe Q1 and Q3 grid voltage, resistance R2 and R4 brings up to VCC2 respectively at the zero point of power field effect pipe Q2 and Q4 grid voltage, electric capacity C1, C2, C3, C4 are connected in series, and have stopping direct current, the logical function exchanged.When PWM1 and PWM2 is high simultaneously, or when be low simultaneously, power field effect pipe Q1 and Q3 by, power field effect pipe Q2 and Q4 conducting, A level coil two-terminal-grounding at the beginning of pulse transformer.PWM1 becomes low level by high level, when PWM2 keeps high level, power field effect pipe Q1 and Q4 conducting, power field effect pipe Q2 and Q3 by, at this moment give the primary coil positive charge of pulse transformer A, the secondary coil of pulse transformer A induces forward voltage; PWM1 keeps high level, when PWM2 becomes low level by high level, power field effect pipe Q3 and Q2 conducting, power field effect pipe Q1 and Q4 by, at this moment give the primary coil reverse charging of pulse transformer A, the secondary coil of pulse transformer A responds to into reverse voltage.
In pulse driving circuit B, resistance R5 and R7 brings up to VCC1 respectively at the zero point of power field effect pipe Q5 and Q7 grid voltage, resistance R6 and R8 brings up to VCC2 respectively at the zero point of power field effect pipe Q6 and Q8 grid voltage, electric capacity C5, C6, C7, C8 are connected in series, and have stopping direct current, the logical function exchanged.When PWM3 and PWM4 is high simultaneously, or when being low simultaneously, power field effect pipe Q5 and Q7 by, power field effect pipe Q6 and Q8 conducting, pulse transformer B primary coil two-terminal-grounding.PWM3 becomes low level by high level, when PWM4 keeps high level, power field effect pipe Q5 and Q8 conducting, power field effect pipe Q6 and Q7 by, at this moment give the primary coil positive charge of pulse transformer 2, the secondary coil of pulse transformer B induces forward voltage; PWM3 keeps high level, when PWM4 becomes low level by high level, power field effect pipe Q7 and Q6 conducting, power field effect pipe Q5 and Q8 by, at this moment give the primary coil reverse charging of pulse transformer B, the secondary coil of pulse transformer B responds to into reverse voltage.
Pulse transformer A and pulse transformer B is all the transformers be made up of toroidal core, the secondary coil of pulse transformer A and pulse transformer B comprises respectively at least more than twoly independently organizes winding more, resistance two ends between the power MOSFET grid often organizing winding difference connecting valve circuit A of pulse transformer A and source electrode, the resistance two ends between the power MOSFET grid often organizing winding difference connecting valve circuit B of pulse transformer B and source electrode.As shown in Figure 2, this circuit pulse transformer A has 4 groups of independently windings, it is often organized winding and is linked in sequence with resistance R9, R10, R11, R12 two ends respectively, and resistance R9, R10, R11, R12 two ends connect grid and the drain electrode two ends of Q9, Q10, Q11, Q12 of power field effect pipe respectively.Pulse transformer B has 4 groups of independently windings, it is often organized winding and is linked in sequence with resistance R13, R14, R15, R16 two ends respectively, and resistance R13, R14, R15, R16 two ends connect grid and the drain electrode two ends of Q13, Q14, Q15, Q16 of power field effect pipe respectively.
Switching circuit A and switching circuit B all has at least two power field effect pipe series connection, one end of the field effect transistor of switching circuit A is connected with DC high-voltage power supply positive pole, the field effect transistor other end of switching circuit A is cascaded with the field effect transistor of switching circuit B and is connected with High voltage output, and other one end of field effect transistor of switching circuit B is connected with the ground of DC high-voltage power supply.As shown in Figure 2, this circuitry switching circuitry A comprises four power field effect pipes Q9, Q10, Q11, Q12 and resistance R9, R10, R11, R12, each field effect transistor withstand voltage is 1KV, the drain electrode of power field effect pipe Q9 is connected with the positive pole of high direct voltage Gao Yuan, its drain electrode is connected with Q10 source electrode, and the drain electrode of Q10 is connected with the source electrode of Q11, and the drain electrode of Q11 is connected with the source electrode of Q12, the drain electrode of Q12 is connected with the source electrode of Q13, and exports with high voltage pulse and be connected; Circuitry switching circuitry B comprises four power field effect pipes Q13, Q14, Q15, Q16 and resistance R13, R14, R15, R16, the drain electrode of Q13 is connected with the source electrode of Q14, the drain electrode of Q14 is connected with the source electrode of Q15, the drain electrode of Q15 is connected with the source electrode of Q16, and the negative pole of the drain electrode high-voltage power supply of Q16 is connected.
Operation principle of the present utility model: pulse transformer A secondary coil induces forward voltage, pulse transformer B secondary coil induces reverse voltage, at this moment switching circuit A conducting, and switching circuit 2 exports and the conducting of high-voltage power supply positive pole by, high-voltage pulse.Pulse transformer A secondary coil induces reverse voltage, and when pulse transformer B secondary coil induces forward voltage, switching circuit A is by, switching circuit B conducting, and high-voltage pulse exports and the conducting of high-voltage power supply negative pole.
Above embodiment is just to illustrate instead of restriction the utility model, therefore all equivalences done according to the method described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (10)
1. a new type electro Q-switch driving power, it is characterized in that, comprise: be connected with external dc high-voltage power supply the switching circuit A inputted for opening high voltage pulse, be connected with described switching circuit A the switching circuit B exported for closing high voltage pulse, the pulse modulated circuit be connected with outer triggering signal for carrying out pulse-width modulation, be connected for the pulse driving circuit A of pulse transformer and pulse driving circuit B with described pulse modulated circuit, be connected with described pulse driving circuit A for the pulse transformer A of driving switch circuit A, and be connected for the pulse transformer B of driving switch circuit B with described pulse driving circuit B.
2. a kind of new type electro Q-switch driving power according to claim 1, is characterized in that: described pulse modulated circuit produces 4 tunnel pulse modulation drive singal according to described outer triggering signal.
3. a kind of new type electro Q-switch driving power according to claim 2, is characterized in that: described pulse driving circuit A comprises power field effect pipe Q1, Q2, Q3, Q4, resistance R1, R2, R3, R4 and electric capacity C1, C2, C3, C4; The grid of power field effect pipe Q1 is connected with one end of electric capacity C1 with resistance R1, an other termination power VCC1 of resistance R1, pulse modulation drive singal is connect after other one end of electric capacity C1 is connected with electric capacity C2 one end, one end of pulse transformer A primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q2, its source electrode meets power supply VCC1, the grid of power field effect pipe Q2 is connected with one end of electric capacity C2 with resistance R2, an other termination power VCC2 of resistance R2, the drain electrode of power field effect pipe Q2 connects power cathode; The grid of power field effect pipe Q3 is connected with one end of electric capacity C3 with resistance R3, an other termination power VCC1 of resistance R3, pulse modulation drive singal is connect after other one end of electric capacity C3 is connected with electric capacity C4 one end, other one end of pulse transformer A primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q4, its source electrode meets power supply VCC1, the grid of power field effect pipe Q4 is connected with one end of electric capacity C4 with resistance R4, an other termination power VCC2 of resistance R4, the drain electrode of power field effect pipe Q4 connects power cathode.
4. a kind of new type electro Q-switch driving power according to claim 3, it is characterized in that: described power field effect pipe Q1, Q3 are P raceway groove enhancement MOSFET, described power field effect pipe Q2, Q4 are N raceway groove enhancement MOSFET.
5. a kind of new type electro Q-switch driving power according to claim 2, is characterized in that: described pulse driving circuit B comprises power field effect pipe Q5, Q6, Q7, Q8, resistance R5, R6, R7, R8 and electric capacity C5, C6, C7, C8; The grid of power field effect pipe Q5 is connected with one end of electric capacity C5 with resistance R5, an other termination power VCC1 of resistance R5, pulse modulation drive singal is connect after other one end of electric capacity C5 is connected with electric capacity C6 one end, one end of pulse transformer B primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q6, its source electrode meets power supply VCC1, the grid of power field effect pipe Q6 is connected with one end of electric capacity C6 with resistance R6, an other termination power VCC2 of resistance R6, the drain electrode of power field effect pipe Q6 connects power cathode; The grid of power field effect pipe Q7 is connected with one end of electric capacity C7 with resistance R7, an other termination power VCC1 of resistance R7, pulse modulation drive singal is connect after other one end of electric capacity C7 is connected with electric capacity C8 one end, other one end of pulse transformer B primary coil is connect after its drain electrode is connected with the drain electrode of power field effect pipe Q8, its source electrode meets power supply VCC1, the grid of power field effect pipe Q8 is connected with one end of electric capacity C8 with resistance R8, an other termination power VCC2 of resistance R8, the drain electrode of power field effect pipe Q8 connects power cathode.
6. a kind of new type electro Q-switch driving power according to claim 5, it is characterized in that: described power field effect pipe Q5, Q7 are P raceway groove enhancement MOSFET, described power field effect pipe Q6, Q8 are N raceway groove enhancement MOSFET.
7. a kind of new type electro Q-switch driving power according to claim 1, it is characterized in that: described pulse transformer A and pulse transformer B is all the transformers be made up of toroidal core, the secondary coil of pulse transformer A and pulse transformer B comprises respectively at least more than twoly independently organizes winding more, resistance two ends between the power MOSFET grid often organizing winding difference connecting valve circuit A of pulse transformer A and source electrode, the resistance two ends between the power MOSFET grid often organizing winding difference connecting valve circuit B of pulse transformer B and source electrode.
8. a kind of new type electro Q-switch driving power according to claim 1, it is characterized in that: described switching circuit A and switching circuit B connects by least two power field effect pipes, one end of the field effect transistor of switching circuit A is connected with DC high-voltage power supply, the field effect transistor other end of switching circuit A is cascaded with the field effect transistor of switching circuit B and is connected with High voltage output, and other one end of field effect transistor of switching circuit B is connected with the ground of DC high-voltage power supply.
9. a kind of new type electro Q-switch driving power according to claim 1, it is characterized in that: described switching circuit A comprises four power field effect pipes Q9, Q10, Q11, Q12 and resistance R9, R10, R11, R12, each field effect transistor withstand voltage is 1KV, the drain electrode of power field effect pipe Q9 is connected with the positive pole of high direct voltage Gao Yuan, its drain electrode is connected with Q10 source electrode, the drain electrode of Q10 is connected with the source electrode of Q11, the drain electrode of Q11 is connected with the source electrode of Q12, the drain electrode of Q12 is connected with the source electrode of Q13, and exports with high voltage pulse and be connected; Described circuitry switching circuitry B comprises four power field effect pipes Q13, Q14, Q15, Q16 and resistance R13, R14, R15, R16, the drain electrode of Q13 is connected with the source electrode of Q14, the drain electrode of Q14 is connected with the source electrode of Q15, the drain electrode of Q15 is connected with the source electrode of Q16, and the negative pole of the drain electrode high-voltage power supply of Q16 is connected.
10. a kind of new type electro Q-switch driving power according to claim 9, it is characterized in that: described pulse transformer A has 4 groups of independently windings, it is often organized winding and is linked in sequence with resistance R9, R10, R11, R12 two ends respectively, and resistance R9, R10, R11, R12 two ends connect grid and the drain electrode two ends of Q9, Q10, Q11, Q12 of power field effect pipe respectively; Described pulse transformer B has 4 groups of independently windings, it is often organized winding and is linked in sequence with resistance R13, R14, R15, R16 two ends respectively, and resistance R13, R14, R15, R16 two ends connect grid and the drain electrode two ends of Q13, Q14, Q15, Q16 of power field effect pipe respectively.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994457A (en) * | 2017-12-29 | 2018-05-04 | 成都心无界光电技术有限公司 | A kind of electric-optically Q-switched solid state laser |
| CN108258930A (en) * | 2017-12-28 | 2018-07-06 | 大连淡宁实业发展有限公司 | It is a kind of to obtain the circuit for adjusting Q high-voltage pulses |
| CN109831186A (en) * | 2018-12-27 | 2019-05-31 | 西南技术物理研究所 | A kind of electric-optically Q-switched circuit of micro integrated low-power consumption |
| CN110289834A (en) * | 2019-06-24 | 2019-09-27 | 中国科学院西安光学精密机械研究所 | A kind of continuously adjustable image intensifier shutter of width time range |
| CN114900157A (en) * | 2022-07-12 | 2022-08-12 | 深圳迈微医疗科技有限公司 | Pulse generating circuit, pulse generator and medical equipment |
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2014
- 2014-10-30 CN CN201420635374.6U patent/CN204206136U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258930A (en) * | 2017-12-28 | 2018-07-06 | 大连淡宁实业发展有限公司 | It is a kind of to obtain the circuit for adjusting Q high-voltage pulses |
| CN107994457A (en) * | 2017-12-29 | 2018-05-04 | 成都心无界光电技术有限公司 | A kind of electric-optically Q-switched solid state laser |
| CN109831186A (en) * | 2018-12-27 | 2019-05-31 | 西南技术物理研究所 | A kind of electric-optically Q-switched circuit of micro integrated low-power consumption |
| CN110289834A (en) * | 2019-06-24 | 2019-09-27 | 中国科学院西安光学精密机械研究所 | A kind of continuously adjustable image intensifier shutter of width time range |
| CN114900157A (en) * | 2022-07-12 | 2022-08-12 | 深圳迈微医疗科技有限公司 | Pulse generating circuit, pulse generator and medical equipment |
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Effective date of registration: 20170213 Address after: 518000 Guangdong city of Shenzhen province Nanshan District Guangdong streets Industrial Zone Maqueling building 10 (M-10 high tech Zone Central) 2, No. 3 203-C District Patentee after: Shenzhen Ruifeng constant Laser Technology Co. Ltd. Address before: 518000 Guangdong City, Nanshan District Province, industrial zone, sparrow sparrow (high tech Zone, central M-10), floor 2, building 2, 203-B District, Patentee before: SHENZHEN RFH LASER TECHNOLOGY CO., LTD. |