CN103107731A - Low-shake nanosecond high voltage pulse driving power supply - Google Patents
Low-shake nanosecond high voltage pulse driving power supply Download PDFInfo
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- CN103107731A CN103107731A CN2013100613966A CN201310061396A CN103107731A CN 103107731 A CN103107731 A CN 103107731A CN 2013100613966 A CN2013100613966 A CN 2013100613966A CN 201310061396 A CN201310061396 A CN 201310061396A CN 103107731 A CN103107731 A CN 103107731A
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Abstract
The invention discloses a low-shake nanosecond high voltage pulse driving power supply which comprises a 5V trigger signal generation circuit, an avalanche transistor series triggering pulse generation circuit, a plane audion trigger circuit and a high voltage trigger tube pulse generation circuit. The avalanche transistor series triggering pulse generation circuit is triggered by the 5V trigger signal generation circuit so as to generate high voltage pulse, the high voltage pulse is inputted in the plane audion trigger circuit, and the plane audion trigger circuit generates low-shake fast leading edge high voltage pulse signals and drives the high voltage trigger tube pulse generation circuit to output low-shake fast leading edge high voltage pulse. The low-shake nanosecond high voltage pulse driving power supply has the advantages of being simple, reliable, good in performance, good in portability, convenient to achieve, easy to popularize, adjustable in parameter and convenient to operate in a system circuit. The low-shake nanosecond high voltage pulse driving power supply can achieve that high voltage pulses with different ranges can be outputted by adjusting high voltage trigger tube anode high voltage HV4, and thus is convenient to use.
Description
Technical field
The invention belongs to high-voltage pulse driving power technical field, relate to trigger tube, vacuum planar gate pipe, a kind of low jitter ns high voltage pulse driving power specifically.
Background technology
Low jitter ns high voltage pulse driving power is widely used in fields such as Laser Driven, photograph fast, nuclear physics, accelerator, x-ray inspection, technology and quantum radiation physics, and especially the drivings such as quick photograph in laser, high-energy physics experiment need to have the low nanosecond high pressure triggering power supply that triggers shake.In recent years, along with further developing of high-voltage pulse electric source technology, it was also constantly being widened at civil area, as electrostatic precipitation, extracorporeal shock-wave lithotripsy (ESWL), and cytopathy detection etc.
Low jitter ns high voltage pulse driving power technical foundation core is that High Pressure Fast Open closes device or circuit, according to high pressure fast pulse state-of-art research both at home and abroad at present, and the main High Pressure Fast Open pass take solid state device and electron tube as core.The designs such as avalanche transistor and MOSFET are all adopted in general solid state device fast pulse source, it is fast that it has switching speed, rock the characteristics such as little, but the withstand voltage of its single tube and current driving ability all can not satisfy application request, although adopt the multi-stage cascade mode can improve its power output, as the MARX generator circuit, but that it improves is also very limited and increased the complexity of circuit, has reduced the reliability of circuit.
Along with the continuous progress of electric vacuum technology and gas switching technique, it is stable and significant progress has been arranged useful life, and its driving-energy is strong, circuit is simple, and system reliability is high, so, under some application demand, solid state device still can not replace electron tube fully.
The advantages such as the high pressure trigger tube is the cold-cathode gas discharge device, and trigger tube has that operating voltage is high, output current is large, and switching speed is fast, volume is little and the life-span is long are widely used in superior miniaturization high pressure fast pulse source.But it is low that its shortcoming is trigger rate, and shake is large.Its main gap voltage and trigger impulse polarity are to affect trigger tube switching speed principal element.In order to obtain the high-voltage pulse signal of fast forward position, low jitter, the trigger tube grid needs one to have low jitter, fast forward position, high pressure negative pulse drive source.
Summary of the invention
The present invention is directed to the compact-type high-pressure pulse driving power source that scientific research institutions and the army and the people industrially apply to laser, quick photograph etc.Vacuum planar tripolar pipe output pulse has low jitter, high-amplitude, and fast forward position characteristic, but its driving force is limited; Trigger tube output pulse has high-amplitude, fast forward position characteristic, but its stability is not high.The present invention combines vacuum planar tripolar pipe with trigger tube, give full play to its advantage, utilize vacuum planar tripolar pipe output pulsed drive trigger tube grid, develop and have low jitter ns high voltage pulse source, the output pulse front edge is less than 3.5ns, the halfwidth degree is about 30ns, amplitude is adjustable, and 5kV～10kV has three kinds of mode of operations: external trigger, single triggers and repetition rate work, and operating frequency is 1Hz or 10Hz.
The present invention adopts following technical scheme: a kind of low jitter ns high voltage pulse driving power comprises that the 5V triggering signal produces circuit, avalanche transistor series connection trigger impulse produces circuit, planar tripolar pipe circuits for triggering, high pressure trigger tube pulse-generating circuit; Described 5V triggering signal produces circuit and avalanche transistor series connection trigger impulse generation circuit is low-voltage circuit, and described planar tripolar pipe circuits for triggering and high pressure trigger tube pulse-generating circuit are high-tension circuit; Produce circuit triggers avalanche transistor series connection trigger impulse by the 5V triggering signal and produce circuit generation high-voltage pulse input plane triode circuits for triggering, planar tripolar pipe circuits for triggering produce low jitter very fast forward position high-voltage pulse signal, drive high pressure trigger tube pulse-generating circuit output low jitter fast forward position high-voltage pulse.
In technique scheme, described 5V triggering signal produces circuit and comprises the trigger impulse control circuit, and described trigger impulse control circuit produces 5V square-wave signal trigger triode Q1 conducting at C1 upper end generation one spike signal.
In technique scheme, the 5V DC power supply is connected with the Q1 collector electrode by collector resistance R1, and R2 is connected with the Q1 emitter with the first parallel connection of C2 again.
In technique scheme, described trigger impulse control circuit has three kinds of mode of operations:
Pattern one: the external trigger pattern produces square wave by outside AWG (Arbitrary Waveform Generator) and directly inputs the Q1 base stage;
Pattern two: the single trigger mode by by outer button, can produce a 5V square-wave signal input Q1 base stage at every turn;
Pattern three: the repetition rate pattern, adopt timer in trigger control circuit, can produce respectively 1Hz and 10Hz repetition rate square-wave signal input Q1 base stage.
In technique scheme, described avalanche transistor series connection trigger impulse produces circuit and has comprised four transistor Q2, Q3, Q4, Q5 that are cascaded successively, and the base stage of described transistor Q2 is connected with transformer T1 by resistance R 3; The emitter of described transistor Q3, Q4, Q5 is connected with the transistorized collector electrode of the next one respectively, and each transistorized base stage is connected with the emitter of self by resistance; Negative high voltage-HV1 is connected with the emitter of transistor Q5 by current-limiting resistance R7, and C3 is the storage capacitor of negative high voltage-HV1.
In technique scheme, described planar tripolar pipe circuits for triggering mesohigh power supply HV3 is by current-limiting resistance R8 and planar tripolar pipe V1 anodic bonding, and storage capacitor C5 is charged, negative high voltage-HV2 is connected with plane triode grid, for it provides offset operation voltage, VCC2 is the filament voltage of plane triode.
Preferential, described planar tripolar plumber's bias voltage is-175V that filament voltage is 6.3V.
In technique scheme, high pressure trigger tube pulse-generating circuit is that high voltage source HV4 is connected with high pressure trigger tube G1 anode by current-limiting resistance R9, and storage capacitor C6 is charged.
In technique scheme; increase protective resistance R10, R11 in described planar tripolar pipe circuits for triggering and high pressure trigger tube pulse-generating circuit; described R10 one end ground connection, the other end connect and are connected with the grid of V1, and the grid that described R11 one end ground connection, the other end are connected to G1 connects.
In technique scheme, described high voltage source HV4 is adjustable, realizes the High voltage output of different amplitudes by the value that changes HV4.
Adopt above technical scheme, the present invention has following technique effect:
Circuit system is simple and reliable, superior performance, and transplantability is strong, is convenient to realize, is easy to promote; The present invention adopts electron tube (trigger tube) as main switch, and output voltage amplitude is high, and current driving ability is strong, and the forward position is fast, but its triggering shake is larger, so introduced the planar tripolar pipe as its grid trigger source.The planar tripolar pipe has the low jittering characteristic that triggers.Whole circuit is simple and reliable, and the amplitude that can produce is adjustable, and (5kV～10kV), the forward position is 3.5ns, and shake can be satisfied the application demand of most of scientific research institutions and dual-use industry less than the large current signal of negative pulse of 1ns;
Parameter is adjustable, and is easy to operate; In the present invention, only need to regulate high pressure trigger tube anode high voltage HV4, just can realize different amplitude high-voltage pulse outputs, easy to use.
Description of drawings
The present invention will illustrate by embodiment and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is theory diagram of the present invention;
Fig. 2 is that the 5V triggering signal produces circuit diagram;
Fig. 3 is that avalanche transistor series connection trigger impulse produces circuit diagram;
Fig. 4 is the circuit diagram of planar tripolar pipe circuits for triggering and high pressure trigger tube pulse-generating circuit.
Embodiment
The present invention is described further below in conjunction with accompanying drawing.
Low jitter ns high voltage pulse driving power of the present invention is comprised of four partial circuits as shown in Figure 1, is respectively that the 5V triggering signal produces circuit, avalanche transistor series connection trigger impulse produces circuit, planar tripolar pipe circuits for triggering, high pressure trigger tube pulse-generating circuit; Described 5V triggering signal produces circuit and avalanche transistor series connection trigger impulse generation circuit is low-voltage circuit, and described planar tripolar pipe circuits for triggering and high pressure trigger tube pulse-generating circuit are high-tension circuit; Produce circuit triggers avalanche transistor series connection trigger impulse by the 5V triggering signal and produce circuit generation high-voltage pulse input plane triode circuits for triggering, planar tripolar pipe circuits for triggering produce low jitter very fast forward position high-voltage pulse signal, drive high pressure trigger tube pulse-generating circuit output low jitter fast forward position high-voltage pulse.
The 5V triggering signal produces circuit
As shown in Figure 2, this partial circuit comprises trigger impulse control circuit, switch triode Q1, current-limiting resistance R1 and capacitance C1; Trigger impulse control circuit in circuit is mainly to produce the square-wave signal consistent with the system works pattern, and is input to switching tube Q1, and the trigger impulse control circuit adopts three kinds of mode of operations:
Pattern one: the external trigger pattern produces square wave by outside AWG (Arbitrary Waveform Generator) and directly inputs the Q1 base stage;
Pattern two: the single trigger mode by by outer button, can produce a 5V square-wave signal input Q1 base stage at every turn;
Pattern three: the repetition rate pattern, adopt timer in trigger control circuit, can produce respectively 1Hz and 10Hz repetition rate square-wave signal input Q1 base stage.
Switching tube Q1 in circuit generally adopts 3DG182E, connects current-limiting resistance R1 on the collector electrode of Q1, and the current-limiting resistance R1 other end is connected with 5V DC power supply VCC1; Resistance R 2 be connected on the emitter of Q1 after C2 is in parallel; Capacitance is connected on the collector electrode of Q1; The trigger impulse control circuit is connected with the base stage of Q1, and signal is sent into avalanche transistor series connection trigger impulse by capacitance C1 and produced circuit.
Avalanche transistor series connection trigger impulse produces circuit
As shown in Figure 3, this partial circuit comprises pulse transformer T1, avalanche transistor, storage capacitor C3 and capacitance C4, pulse transformer T1 adopts wire-wound than being 1:10, one end of pulse transformer connects capacitance C1, reception produces the signal of circuit from the 5V triggering signal, the other end connects and is connected with the base stage of snowslide triode Q2 by R3; This circuit part one has four snowslide triode Q2, Q3, Q4, Q5, the snowslide triode is connected with the collector electrode of next snowslide triode from the emitter that Q2 begins successively, and the base stage of Q3, Q4, Q5 is connected with the emitter of self by R4, R5, R6 respectively; The snowslide triode here generally adopts ZTX415.Storage capacitor C3 is connected VH1 and is connected with negative high voltage ,-VH1 is connected with the emitter of Q5 by current-limiting resistance R7, and on the emitter of Q5 connection capacitance C4.
After avalanche transistor series connection trigger impulse produces circuit and is subject to triggering avalanche, will produce a positive pulse signal that is approximately 0.8kv, and be connected by the grid of the vacuum plane triode V1 in capacitance C4 and planar tripolar pipe circuits for triggering.
Planar tripolar pipe circuits for triggering, high pressure trigger tube pulse-generating circuit
As shown in Figure 4, this partial circuit is high-tension circuit, planar tripolar pipe circuits for triggering comprise that vacuum planar tripolar pipe V1 is as switching device, to storage capacitor C5 charging, negative supply-HV2 is about-175V for the planar tripolar tube grid provides operating bias voltage high voltage source-HV3 by current-limiting resistance R8, VCC2 is the filament heating power supply of planar tripolar pipe, electric index is 6.3V, and 2A will produce low jitter very fast forward position high-voltage pulse signal after the planar tripolar pipe is triggered; C5 is connected with the grid of trigger tube G1 in high pressure trigger tube pulse-generating circuit, high voltage source-HV4 charges to storage capacitor C6 by current-limiting resistance R9, be subject to the triggering of vacuum planar tripolar pipe output pulse when the trigger tube grid after, the amplitude of triggering signal is greatly about the 7kv left and right, capacitor C 6 will be 50 Ω to the resistance of load resistance RL discharge RL, the fast forward position of generation low jitter high pressure negative pulse, the amplitude of this clock is 10kv.
By adjusting-HV4 high-voltage power supply size, the signal of the different amplitudes of high pressure fast pulse source output.
Filament, the bias voltage of vacuum planar tripolar pipe all directly affect the conducting speed of pipe and the size of intraductal electric current, have the low jitter characteristic in order to make planar tripolar pipe output pulse, can improve cathode filament voltage and bias voltage.Checking by experiment, filament voltage is 6.3V, bias voltage is-175V to allow the planar tripolar pipe work in optimum state.
Increase the start pulse signal amplitude, accelerate it and trigger the forward position, all have a positive effect to reducing pipe anode switching delay and output jitter.The present invention adopts avalanche transistor series connection, and single supply (negative voltage) mode producing fast forward position positive pulse has advantages of that circuit is simple and reliable.
Native system can simply be divided into high pressure and low-voltage circuit part.High-tension circuit partly comprises vacuum planar tripolar pipe circuits for triggering and high pressure trigger tube pulse-generating circuit, and low-voltage circuit is partly that the 5V triggering signal produces circuit snowslide pipe series connection pulse-generating circuit.In high-tension circuit, switch element all follows high-energy to reflect by grid in triggering and turn off process, causes the damage of low-voltage circuit.By research, analysis and experiment, all introduced energy " leakage path " at the grid of switch element, ground connection power resistor R10, R11 are as the safeguard measure of trigger impulse generation circuit.
Disclosed all features in this specification except mutually exclusive feature, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or similar characteristics.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. low jitter ns high voltage pulse driving power is characterized by and comprises that the 5V triggering signal produces circuit, avalanche transistor series connection trigger impulse produces circuit, planar tripolar pipe circuits for triggering, high pressure trigger tube pulse-generating circuit; Described 5V triggering signal produces circuit and avalanche transistor series connection trigger impulse generation circuit is low-voltage circuit, and described planar tripolar pipe circuits for triggering and high pressure trigger tube pulse-generating circuit are high-tension circuit; Produce circuit triggers avalanche transistor series connection trigger impulse by the 5V triggering signal and produce circuit generation high-voltage pulse input plane triode circuits for triggering, planar tripolar pipe circuits for triggering produce low jitter very fast forward position high-voltage pulse signal, drive high pressure trigger tube pulse-generating circuit output low jitter fast forward position high-voltage pulse.
2. a kind of low jitter ns high voltage pulse driving power according to claim 1, it is characterized by described 5V triggering signal generation circuit and comprise the trigger impulse control circuit, described trigger impulse control circuit produces 5V square-wave signal trigger triode Q1 conducting at C1 upper end generation one spike signal.
3. a kind of low jitter ns high voltage pulse driving power according to claim 2, is characterized by the 5V DC power supply and be connected with the Q1 collector electrode by collector resistance R1, and R2 is connected with the Q1 emitter with the first parallel connection of C2 again.
4. a kind of low jitter ns high voltage pulse driving power according to claim 2 is characterized by described trigger impulse control circuit and has three kinds of mode of operations:
Pattern one: the external trigger pattern produces square wave by outside AWG (Arbitrary Waveform Generator) and directly inputs the Q1 base stage;
Pattern two: the single trigger mode by by outer button, can produce a 5V square-wave signal input Q1 base stage at every turn;
Pattern three: the repetition rate pattern, adopt timer in trigger control circuit, can produce respectively 1Hz and 10Hz repetition rate square-wave signal input Q1 base stage.
5. a kind of low jitter ns high voltage pulse driving power according to claim 1, it is characterized by described avalanche transistor series connection trigger impulse generation circuit and comprised four transistor Q2, Q3, Q4, Q5 that are cascaded successively, the base stage of described transistor Q2 is connected with transformer T1 by resistance R 3; The emitter of described transistor Q3, Q4, Q5 is connected with the transistorized collector electrode of the next one respectively, and each transistorized base stage is connected with the emitter of self by resistance; Negative high voltage-HV1 is connected with the emitter of transistor Q5 by current-limiting resistance R7, and C3 is the storage capacitor of negative high voltage-HV1.
6. a kind of low jitter ns high voltage pulse driving power according to claim 1, it is characterized by described planar tripolar pipe circuits for triggering mesohigh power supply HV3 by current-limiting resistance R8 and planar tripolar pipe V1 anodic bonding, and storage capacitor C5 is charged, negative high voltage-HV2 is connected with plane triode grid, for it provides offset operation voltage, VCC2 is the filament voltage of plane triode.
7. a kind of low jitter ns high voltage pulse driving power according to claim 6, the bias voltage that it is characterized by described planar tripolar plumber is-175V, filament voltage is 6.3V.
8. a kind of low jitter ns high voltage pulse driving power according to claim 1, is characterized by high pressure trigger tube pulse-generating circuit and be that high voltage source HV4 is connected with high pressure trigger tube G1 anode by current-limiting resistance R9, and storage capacitor C6 is charged.
9. according to claim 6 or 8 described a kind of low jitter ns high voltage pulse driving powers; it is characterized by and increase protective resistance R10, R11 in described planar tripolar pipe circuits for triggering and high pressure trigger tube pulse-generating circuit; described R10 one end ground connection, the other end connect and are connected with the grid of V1, and the grid that described R11 one end ground connection, the other end are connected to trigger tube G1 connects.
10. a kind of low jitter ns high voltage pulse driving power according to claim 8, it is adjustable it is characterized by described high voltage source HV4, realizes the High voltage output of different amplitudes by the value that changes HV4.
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| CN2013100613966A CN103107731A (en) | 2013-02-27 | 2013-02-27 | Low-shake nanosecond high voltage pulse driving power supply |
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| CN2013100613966A CN103107731A (en) | 2013-02-27 | 2013-02-27 | Low-shake nanosecond high voltage pulse driving power supply |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427811A (en) * | 2013-08-21 | 2013-12-04 | 罗斌 | Protective circuit for gas switch and trigger |
| CN103684360A (en) * | 2013-12-24 | 2014-03-26 | 国家电网公司 | Implementing method of high-voltage square-wave generator |
| CN108364523A (en) * | 2018-05-16 | 2018-08-03 | 广东电网有限责任公司 | High-voltage cable positioning simulation system |
| CN108631757A (en) * | 2018-04-27 | 2018-10-09 | 西安交通大学 | A kind of modified multitube cascade pipe Marx generators |
| CN110880884A (en) * | 2019-11-29 | 2020-03-13 | 深圳先进技术研究院 | Output-adjustable nanosecond pulse source based on avalanche triode cascade circuit |
| CN114665845A (en) * | 2022-03-01 | 2022-06-24 | 电子科技大学 | High-peak power pulse source based on high-voltage triggering and power synthesis |
| CN114746038A (en) * | 2019-12-04 | 2022-07-12 | 科瑞欧医疗有限公司 | Pulse generating circuit and electrosurgical generator incorporating same |
-
2013
- 2013-02-27 CN CN2013100613966A patent/CN103107731A/en active Pending
Non-Patent Citations (2)
| Title |
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| MAO JIUBING等: "A compact, low jitter, nanosecond rise time, high voltage pulse generator with variable amplitude", 《REVIEW OF SCIENTIFIC INSTRUMENTS》 * |
| 陈敏德等: "精密长延迟纳秒高压脉冲源", 《信息与电子工程》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427811A (en) * | 2013-08-21 | 2013-12-04 | 罗斌 | Protective circuit for gas switch and trigger |
| CN103684360A (en) * | 2013-12-24 | 2014-03-26 | 国家电网公司 | Implementing method of high-voltage square-wave generator |
| CN103684360B (en) * | 2013-12-24 | 2016-09-21 | 国家电网公司 | A kind of high-voltage square-wave generator implementation method |
| CN108631757A (en) * | 2018-04-27 | 2018-10-09 | 西安交通大学 | A kind of modified multitube cascade pipe Marx generators |
| CN108364523A (en) * | 2018-05-16 | 2018-08-03 | 广东电网有限责任公司 | High-voltage cable positioning simulation system |
| CN110880884A (en) * | 2019-11-29 | 2020-03-13 | 深圳先进技术研究院 | Output-adjustable nanosecond pulse source based on avalanche triode cascade circuit |
| CN114746038A (en) * | 2019-12-04 | 2022-07-12 | 科瑞欧医疗有限公司 | Pulse generating circuit and electrosurgical generator incorporating same |
| CN114665845A (en) * | 2022-03-01 | 2022-06-24 | 电子科技大学 | High-peak power pulse source based on high-voltage triggering and power synthesis |
| CN114665845B (en) * | 2022-03-01 | 2023-12-22 | 电子科技大学 | High-peak power pulse source based on high-voltage triggering and power synthesis |
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