CN106685255A - Novel circuit topological square-wave high-voltage pulse power supply - Google Patents

Novel circuit topological square-wave high-voltage pulse power supply Download PDF

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Publication number
CN106685255A
CN106685255A CN201710019493.7A CN201710019493A CN106685255A CN 106685255 A CN106685255 A CN 106685255A CN 201710019493 A CN201710019493 A CN 201710019493A CN 106685255 A CN106685255 A CN 106685255A
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China
Prior art keywords
switching tube
voltage pulse
marx
circuit
electric capacity
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CN201710019493.7A
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Chinese (zh)
Inventor
高子欣
丁家林
王绍彬
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University of Shanghai for Science and Technology
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University of Shanghai for Science and Technology
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Priority to CN201710019493.7A priority Critical patent/CN106685255A/en
Publication of CN106685255A publication Critical patent/CN106685255A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M11/00—Power conversion systems not covered by the preceding groups
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • H03K3/011—Modifications of generator to compensate for variations in physical values, e.g. voltage, temperature
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/01—Details
    • H03K3/013—Modifications of generator to prevent operation by noise or interference

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Generation Of Surge Voltage And Current (AREA)

Abstract

The invention provides a novel circuit topological square-wave high-voltage pulse power supply used for outputting a high-voltage pulse voltage to drive a load. The novel circuit topological square-wave high-voltage pulse power supply is characterized by comprising a DC power supply V<dc>, a switching tube S<C0> and an n-level square-wave truncation Marx circuit module, wherein an emitter of the switching tube S<C0> is connected with a negative electrode of the DC power supply V<dc>, and the n-level square-wave truncation Marx circuit module is connected with a positive electrode of the DC power supply V<dc> and a collector of the switching tube S<C0>, n is an integer more than 2, the positive electrode of the DC power supply V<dc> is connected with one end of the load, the n-level square-wave truncation Marx circuit module comprises a first-level Marx circuit and (n-1) i(th) circuits, the first-level Marx circuit is connected to two ends of the DC power supply V<dc>, the (n-1) i(th) circuits are sequentially connected, i is an integer between 2 and n, and the i(th) Marx circuit comprises a switching tube S<Ci>, a switching tube S<di>, a capacitor C<i> and a diode D<i>. The novel circuit topological square-wave high-voltage pulse power supply has the advantages of reasonable design, small size, light weight, high working reliability and high antijamming capability, and is convenient to promote and use.

Description

Novel circuit topological square wave high-voltage pulse power source
Technical field
The present invention relates to a kind of high-voltage pulse power source, and in particular to a kind of circuit topology square wave high-voltage pulse power source.
Background technology
Conventional complete solid state pulse power power-supply is difficult to directly drive capacitive load, because in discharge process, holding Property load in can store electric charge, and these electric charges can slowly be released, and the voltage in load is quickly dropped to zero potential, from And pulse shaping is trailed.These hangovers can bring many bad influences：Waveform is severely impacted, has made square wave be difficult to obtain ；The halfwidth of output pulse is broadened, increased the difficulty of burst pulse output；Limit the working frequency of power supply；Cause volume Outer power consumption etc..In many applications of Pulse Power Techniques, load all shows certain capacitive behavior, and such as dielectric impedance is put The applications such as electricity, food sterilization, plasma injection, purification of air, cell treatment.Pulse power skill is limited to a certain extent Application of the art in these fields.The technical scheme of prior art is mainly the Marx circuits using lumped inductance truncation to lift electricity Source performance is with applicable various applications.
But the Marx circuits of existing lumped inductance truncation are in constant-voltage charge state due to inductance in discharge process, Next charging process of Marx circuits work, the energy of its storage will be discharged to electric capacity at different levels, similar to boost boostings Effect so that the voltage at electric capacity two ends is higher than supply voltage, when circuit enters discharge condition, in the electricity that obtains of load two ends Pressure will be higher than desired voltage.The mode of operation can cause serious electromagnetic interference, and centralization electricity to signal control circuit Feel bulky, heavier mass, there is larger defect in terms of the engineer applied for becoming more meticulous.
The content of the invention
To solve the above problems, present invention employs following technical scheme：
The invention provides a kind of novel circuit topological square wave high-voltage pulse power source, driven for exporting high-voltage pulse Load, it is characterised in that have：Dc source Vdc, emitter stage be connected to dc source VdcNegative pole switching tube SC0And Dc source V is connected respectivelydcPositive pole and switching tube SC0Colelctor electrode n grades of square wave truncation Marx circuit module, n is more than 2 Integer, wherein, dc source VdcPositive pole connection load one end and be grounded, n grades of square wave truncation Marx circuit module includes It is connected to dc source VdcThe 1st grade of Marx circuit at two ends and n-1 i-stage circuit being sequentially connected, i is the whole of 2~n Number, i-stage Marx circuits include switching tube SCi, switching tube Sdi, electric capacity CiAnd diode Di, electric capacity CiOne end and switch Pipe SCiColelctor electrode connect the i-th -1 grade Marx circuit in switching tube SCi-1Emitter stage, switching tube SCiEmitter stage connect respectively Meet switching tube SdiColelctor electrode and load the other end or rear stage Marx circuits in switching tube SCi+1Colelctor electrode, open Close pipe SdiEmitter stage connection diode DiPositive pole, diode DiPositive pole also with electric capacity CiThe other end connection, diode DiNegative pole connect the i-th -1 grade Marx circuit in switching tube Sdi-1Emitter stage.
A kind of novel circuit topological square wave high-voltage pulse power source that the present invention is provided, can also have the feature that：Its In, the 1st grade of Marx circuit includes switching tube SC1, switching tube Sd1And electric capacity C1, electric capacity C1One end and switching tube SC1Collection Electrode connects dc source V respectivelydcPositive pole, switching tube SC1Emitter stage connecting valve pipe Sd1Colelctor electrode, switching tube Sd1's Emitter stage connecting valve pipe SC0Colelctor electrode, switching tube SC0Colelctor electrode also with electric capacity C1The other end connection.
A kind of novel circuit topological square wave high-voltage pulse power source that the present invention is provided, can also have the feature that：Its In, n is 2~40 integer.
Invention effect and effect
Novel circuit topological square wave high-voltage pulse power source of the invention, due to instead of huge collection using switching tube Middle isolation inductance, it is to avoid electromagnetic interference, also reduces power volume and weight；Due to the switching tube is placed in into lower end, so The electric capacity of the first order can be made full use of, and reduces the risk that electric discharge damages one-level switching tube；Because the switching tube is in electric discharge State is off, so as to charging source be isolated, prevents the charged source of discharge pulse current from discharging, therefore protect charging source to exempt from Impacted by discharge pulse current.Due to load is placed in top, one end and charging source positive ending grounding will be loaded, in the load other end The negative high voltage pulse of needs can be obtained, while charging source and load are grounded into protection.Using the circuit structure for optimizing Realize truncation function, it is to avoid the conditions of streaking that capacitive load is caused, export preferable square wave pulse voltage.
Brief description of the drawings
Fig. 1 is novel circuit topological square wave high-voltage pulse power source circuit diagram of the invention；
Fig. 2 is that novel circuit topological square wave high-voltage pulse electric source circuit of the invention charges and truncation process schematic；
Fig. 3 is novel circuit topological square wave high-voltage pulse power source circuit discharging process schematic of the invention.
Specific embodiment
Specific embodiment of the invention is illustrated below in conjunction with accompanying drawing.
<Embodiment>
Fig. 1 is novel circuit topological square wave high-voltage pulse power source circuit diagram of the invention.
As shown in figure 1, novel circuit topological square wave high-voltage pulse power source (the hereinafter referred to as high-voltage pulse that the present embodiment is provided Power supply) 20 include dc source Vdc1st, switching tube SC02 and n grades of square wave truncation Marx circuit module 3, n is 2~40 integer.
Dc source VdcOne end of 1 positive pole connection load is simultaneously grounded, switching tube SC02 emitter stage is connected to the direct current Power supply Vdc1 negative pole, wherein, it is the larger high-tension resistive of resistance to load.
In the present embodiment, the value of n is that grade square wave truncation Marx circuit modules 3 of 10, i.e., 10 include being connected to direct current Source VdcThe 1st grade of Marx circuit 31 at 1 two ends and the integer that 9 i-stage circuits i1, i being sequentially connected are 2~10.
1st grade of Marx circuit 31 includes switching tube SC1, switching tube Sd1And electric capacity C1, electric capacity C1One end and switching tube SC1Colelctor electrode connect dc source V respectivelydcPositive pole, switching tube SC1Emitter stage connecting valve pipe Sd1Colelctor electrode, switch Pipe Sd1Emitter stage connecting valve pipe SC0Colelctor electrode, switching tube SC0Colelctor electrode also with electric capacity C1The other end connection.
2nd grade of Marx circuit 32 includes switching tube SC2, switching tube Sd2, electric capacity C2And diode D2, electric capacity C2One end And switching tube SC2Colelctor electrode connect switching tube S in the 1st grade of Marx circuit 11C1Emitter stage, switching tube SC2Emitter stage Connecting valve pipe Sd2Colelctor electrode, switching tube Sd2Emitter stage connection diode D2Positive pole, diode D2Positive pole also with Electric capacity C2The other end connection, diode D2Negative pole connect switching tube S in the 1st grade of Marx circuitd1Emitter stage.
By that analogy, 3rd level, the 4th to the 10th grade of Marx circuit 310 are sequentially connected, and the 10th grade of Marx circuit 310 includes opening Close pipe SC10, switching tube Sd10, electric capacity C10And diode D10, electric capacity C10One end and switching tube SC10Colelctor electrode connection the Switching tube S in 9 grades of Marx circuit (not shown)sC9Emitter stage, switching tube SC10Emitter stage connect the another of load respectively One end, switching tube Sd10Emitter stage connection diode D10Positive pole, diode D10Positive pole also with electric capacity C10The other end Connection, diode D10Negative pole connect switching tube S in the 9th grade of Marx circuitd9Emitter stage.
Below in conjunction with the course of work of the novel circuit topological square wave high-voltage pulse power source 20 of brief description of the drawings the present embodiment.
Fig. 2 is that novel circuit topological square wave high-voltage pulse electric source circuit of the invention charges and truncation process schematic；
As shown in figure 3, when high-voltage pulse power source 20 is in charged state, i.e. switching tube Sc0~Sc10It is in the conduction state, Switching tube Sd1~Sd10When being off state, dc source VdcElectricity at different levels in 1 pair of 10 grades of square wave truncation Marx circuit module 3 Hold C1~C10Charged in parallel is carried out, with C10As a example by, its charge circuit is dc source Vdc1st, switching tube Sc1~Sc9、C10、D1~ D9、Sc0, dc source Vdc1, remaining electric capacity C at different levels1~C9Charge similarly.
When charging process terminates, i.e. switching tube Sd1~Sd10Conducting eve, the upper terminal potential of electric capacity at different levels is 0, lower end electricity Position is dc source Vdc1 amplitude-U0.Simultaneously as switching tube Sc0~Sc10In the conduction state, load two ends pass through Sc1 ~Sc10Truncation.
As denoted by the arrows in fig. 2, branch road includes load and switching tube Sc in another truncation loop1~Sc10, on the one hand exist Dc source Vdc1 couple of electric capacity C1~C10Realized to load short circuits while charging, it is ensured that load both end voltage is zero, so as to connect Electric discharge of getting off obtains precipitous rising edge.On the other hand, to electric capacity C at different levels after electric discharge terminates1~C10Charging can be realized Truncation function, it is to avoid the conditions of streaking that capacitive load is caused, so as to obtain precipitous trailing edge, realizes the side of high-voltage pulse power source 20 Wave impulse is exported.
Fig. 3 is novel circuit topological square wave high-voltage pulse power source circuit discharging process schematic of the invention.
As shown in figure 3, when high-voltage pulse power source 20 is in discharge condition, i.e. switching tube Sc0~Sc10It is off state, Switching tube Sd1~Sd10It is in the conduction state, the upper end of previous stage electric capacity and the lower end equipotential of rear stage electric capacity, due to electric capacity The voltage at two ends can not be mutated, therefore, electric capacity C1Upper terminal potential is 0, C1Lower terminal potential is-U0, electric capacity C3Upper end and C2Lower end electricity Position is -2U0, terminal potential is -3U under C30, by that analogy, C10The current potential of lower end is -10U0, and now electric capacity at different levels and previous stage Voltage between the upper pin of charge switch pipe is U0, by diode D in circuit1~D9And switching tube Sc1~Sc9The pole of body two Pipe bears backward voltage, it is to avoid electric capacity C at different levels1~C10With switching tube Sc0~Sc10Directly discharge, therefore, first order electric capacity C1With Afterbody switching tube Sd10Between each component series connection is in discharge process, and with 10U0Voltage against load Discharged.And load one end and dc source Vdc1 plus earth, the negative high voltage arteries and veins of needs can be obtained in the load other end Punching, while by dc source Vdc1 and load be grounded protection.
Embodiment is acted on and effect
Novel circuit topological square wave high-voltage pulse power source according to the present embodiment, it is huge due to be instead of using switching tube Quarantine at assembly sites inductance, it is to avoid electromagnetic interference, also reduces power volume and weight；Due to the switching tube is placed in into lower end, this Sample can make full use of the electric capacity of the first order, and reduce the risk that electric discharge damages one-level switching tube；Because the switching tube is in electric discharge When be off state, so as to charging source be isolated, prevent the charged source of discharge pulse current from discharging, therefore protect charging source From discharge pulse current impact.Due to load is placed in top, one end and charging source positive ending grounding will be loaded, it is another loading End can obtain the negative high voltage pulse of needs, while charging source and load are grounded into protection.Using the circuit knot for optimizing Structure realizes truncation function, it is to avoid the conditions of streaking that capacitive load is caused, and exports preferable square wave pulse voltage.In a word, the present invention Reasonable in design, strong antijamming capability, small volume is lightweight, and functional reliability is high, is easy to promote the use of.

Claims (3)

1. a kind of novel circuit topological square wave high-voltage pulse power source, for exporting high-voltage pulse driving load, its feature exists In having：
Dc source Vdc, emitter stage be connected to dc source VdcNegative pole switching tube SC0And the direct current is connected respectively Power supply VdcPositive pole and the switching tube SC0Colelctor electrode n grades of square wave truncation Marx circuit module, the n is whole more than 1 Number,
Wherein, the dc source VdcPositive pole connect one end of the load and be grounded,
The n grades of square wave truncation Marx circuit modules include being connected to the dc source VdcThe 1st grade of Marx circuit at two ends with And n-1 i-stage circuit being sequentially connected, the i is the integer of 2~n,
The i-stage Marx circuits include switching tube SCi, switching tube Sdi, electric capacity CiAnd diode Di, the electric capacity CiOne end And the switching tube SCiColelctor electrode connect the i-th -1 grade Marx circuit in switching tube SCi-1Emitter stage, the switching tube SCiEmitter stage connect the switching tube S respectivelydiColelctor electrode and the load the other end or rear stage Marx circuits In switching tube SCi+1Colelctor electrode, the switching tube SdiEmitter stage connect the diode DiPositive pole, diode Di's Positive pole also with the electric capacity CiThe other end connection, the diode DiNegative pole connect the i-th -1 grade Marx circuit in switching tube Sdi-1Emitter stage.
2. novel circuit topological square wave high-voltage pulse power source according to claim 1, it is characterised in that：
Wherein, the 1st grade of Marx circuit includes switching tube SC1, switching tube Sd1And electric capacity C1, the electric capacity C1One end with And the switching tube SC1Colelctor electrode connect the dc source V respectivelydcPositive pole, the switching tube SC1Emitter stage connection The switching tube Sd1Colelctor electrode, the switching tube Sd1Emitter stage connect the switching tube SC0Colelctor electrode, switching tube SC0 Colelctor electrode also with the electric capacity C1The other end connection.
3. novel circuit topological square wave high-voltage pulse power source according to claim 1, it is characterised in that：
Wherein, the n is 2~40 integer.
CN201710019493.7A 2017-01-11 2017-01-11 Novel circuit topological square-wave high-voltage pulse power supply Pending CN106685255A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900980A (en) * 2019-01-25 2019-06-18 国网四川省电力公司电力科学研究院 A kind of converter valve test macro and its method based on high-voltage square-wave pulse excitation
CN111711357A (en) * 2020-06-20 2020-09-25 复旦大学 Closure type unipolar Marx flyback high-voltage direct-current power supply device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311067A (en) * 1992-06-15 1994-05-10 The United States Of America As Represented By The Secretary Of The Navy High performance pulse generator
US20060245217A1 (en) * 2005-03-17 2006-11-02 The Regents Of The University Of California Diode-directed solid-state marx generator
CN101534071A (en) * 2009-04-09 2009-09-16 复旦大学 All solid state high voltage nanosecond pulse power supply
US20130070901A1 (en) * 2011-09-19 2013-03-21 Siemens Aktiengesellschaft Optimized switching for a multilevel generator
CN103527374A (en) * 2013-10-22 2014-01-22 大连海事大学 Coil induction pump
CN104617808A (en) * 2015-01-30 2015-05-13 重庆市计量质量检测研究院 Novel adjustable polarity square wave high-voltage pulse power circuit and control strategy for generating double-polarity pulse

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5311067A (en) * 1992-06-15 1994-05-10 The United States Of America As Represented By The Secretary Of The Navy High performance pulse generator
US20060245217A1 (en) * 2005-03-17 2006-11-02 The Regents Of The University Of California Diode-directed solid-state marx generator
CN101534071A (en) * 2009-04-09 2009-09-16 复旦大学 All solid state high voltage nanosecond pulse power supply
US20130070901A1 (en) * 2011-09-19 2013-03-21 Siemens Aktiengesellschaft Optimized switching for a multilevel generator
CN103527374A (en) * 2013-10-22 2014-01-22 大连海事大学 Coil induction pump
CN104617808A (en) * 2015-01-30 2015-05-13 重庆市计量质量检测研究院 Novel adjustable polarity square wave high-voltage pulse power circuit and control strategy for generating double-polarity pulse

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109900980A (en) * 2019-01-25 2019-06-18 国网四川省电力公司电力科学研究院 A kind of converter valve test macro and its method based on high-voltage square-wave pulse excitation
CN109900980B (en) * 2019-01-25 2021-02-19 国网四川省电力公司电力科学研究院 Converter valve testing system based on high-voltage square wave pulse excitation and method thereof
CN111711357A (en) * 2020-06-20 2020-09-25 复旦大学 Closure type unipolar Marx flyback high-voltage direct-current power supply device
CN111711357B (en) * 2020-06-20 2023-04-07 复旦大学 Closure type unipolar Marx flyback high-voltage direct-current power supply device

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Inventor after: Rao Junfeng

Inventor after: Gao Zixin

Inventor after: Ding Jialin

Inventor after: Wang Shaobin

Inventor before: Gao Zixin

Inventor before: Ding Jialin

Inventor before: Wang Shaobin

WD01 Invention patent application deemed withdrawn after publication
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Application publication date: 20170517