CN102931867B - Pulse voltage-multiplying generation device with repetition frequency - Google Patents
Pulse voltage-multiplying generation device with repetition frequency Download PDFInfo
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- CN102931867B CN102931867B CN201210382348.2A CN201210382348A CN102931867B CN 102931867 B CN102931867 B CN 102931867B CN 201210382348 A CN201210382348 A CN 201210382348A CN 102931867 B CN102931867 B CN 102931867B
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Abstract
The invention discloses a pulse voltage-multiplying generation device with repetition frequency. The pulse voltage-multiplying generation device comprises a pulse source, a magnetic compression circuit, a pulse transformer and a pulse multiplication cascading unit, wherein the pulse source is used for charging the magnetic compression circuit through an inductor, and the input pulse is compressed by the front edge of the magnetic compression circuit, then conveyed to the pulse transformer to be subjected to primary voltage-multiplying, and then conveyed into the pulse multiplication cascading unit to be subjected to secondary voltage-multiplying and front-edge compression. The pulse voltage-multiplying generation device provided by the invention can be used for carrying out primary pulse compression on an output pulse of the pulse transformer through the magnetic compression circuit and carrying out secondary voltage-multiplying and front-edge compression through the pulse multiplication cascading unit, thereby reducing the requirements on transformation rate and output voltage amplitude of the pulse transformer as well as the compression rate of magnetic compression, greatly reducing the magnetic core volumes and weights of the pulse transformer and the magnetic compression circuit and realizing system miniaturization and compactness.
Description
Technical field
The invention belongs to technical field of pulse power, relate to a kind of pulse multiplication of voltage generating means of repetition rate.
Background technology
Pulse Power Techniques welcome development peak period along with the urgent application demand of the industrial circles such as nitrogen oxides treatment, Ozone generation, sewage disposal, volume and the cost of pulse voltage amplitude, rise time, repeated work frequency, particularly clock are proposed stricter requirement.
The repetitive frequency pulsed voltage-multiplying circuit that present stage extensively adopts is a kind of magnetic compression circuit of exempting to reset, its circuit structure (Zhang Dongdong as shown in Figure 1, Yan Ping, Wang Yu, Deng. single-stage magnetic pulse compression system experimental study [J], light laser and the particle beams, 2008:20 (8), 1397-1410.).Low pressure charging capacitor C
1with thyristor THY
1(or IGBT), air core inductor L
1(or magnetic switch) and pulse transformer PT
1primary windings connected in series and form closed-loop path.High-voltage charging electric capacity C
2and C
3with magnetic switch MS
1and air core inductor L
2(or semiconductor opening switch, upper-end anode, lower-end cathode) connect and form closed-loop path.Pulse transformer secondary winding and high-voltage charging electric capacity C
3parallel connection, and form closed-loop path.Load and air core inductor L
2parallel connection also forms closed-loop path.
In order to adapt to the requirement of commercial Application to obtain the output voltage of amplitude up to tens of kilovolts, prior art mainly relies on pulse transformer to realize voltage multiplication, relies on magnetic switch to realize pulse compression.Therefore, pulse transformer needs the voltage multiplication of a few hectovolt to tens of kilovolt, and this will cause pulse transformer to have sizable no-load voltage ratio.The problem that high no-load voltage ratio is brought has two: first, and high no-load voltage ratio requires that pulse transformer primary coil turn is little.In order to ensure that pulse can obtain effective multiplication of voltage in uphill process, need the magnetic core of pulse transformer unsaturated in multiplication of voltage process, and due to number of primary turns less, then must rely on increase core cross section amass to reach the undersaturated requirement of magnetic core.Therefore, whole magnetic core volume will become large, and system cost and volume all can increase.On the other hand, high no-load voltage ratio requires that pulse transformer secondary coil turn is more.In order to can coiling is abundant on magnet ring coil, the girth of magnet ring needs comparatively large, thus adds core volume and cost.
Document (Richard Anthony Fitch, Mortimer. " Electrical Pulse Generator ", US Patent nr 3,366,799,30.) proposes Fitch circuit and doubles as the amplitude of pulse voltage.Wherein, N number of capacitances in series, and alternate electric capacity two ends air core inductor in parallel, air core inductor is connected by ball gap with electric capacity.Electric capacity at different levels is connected by resistance, and the effect of resistance is for capacitor charging provides loop.When electric capacity is by after resistance charging complete, the synchronous conducting of ball gaps at different levels, alternate electric capacity and air core inductor voltage carry out resonance.When polarity of voltage reverses completely, output obtains N input voltage doubly.But above-mentioned circuit has following shortcoming: 1, electric capacity is charged by resistance, the charging interval is very long, cannot accomplish to rerun.2, adopt ball gap as switch, its insulator recovery time and electrode erosion also limit the frequency that reruns of whole system.
Summary of the invention
The problem that the present invention solves is the pulse multiplication of voltage generating means providing a kind of repetition rate, new pulse multiple circuit is proposed, the requirement of the no-load voltage ratio of pulse transformer and the requirement of output voltage amplitude and the compression ratio to magnetic compression can be reduced, reduce core volume and the weight of pulse transformer and magnetic compression circuit, realize system compact, densification.
The present invention is achieved through the following technical solutions:
A pulse multiplication of voltage generating means for repetition rate, comprises clock, magnetic compression circuit, pulse transformer and pulse multiplication concatenation unit; Clock is charged to magnetic compression circuit by inductance, and input pulse is sent into pulse transformer and carried out elementary multiplication of voltage after the compression of magnetic compression circuit forward position, and then sends into pulse multiplication concatenation unit and carry out secondary multiplication of voltage and forward position compression;
Magnetic compression circuit is connected with clock by inductance, comprise multistage magnetic compression unit, every grade of magnetic compression unit comprises electric capacity and magnetic switch, and one end of electric capacity is connected with one end of magnetic switch, the other end of electric capacity and the other end of magnetic switch and next stage Capacitance parallel connection;
Magnetic compression circuit is connected by pulse transformer and the pulse concatenation unit that doubles; Concatenation unit comprises the pulse multiplication units of multiple cascade, each pulse multiplication units comprises the first electric capacity and the second electric capacity, coupling magnetic switch is connected in parallel on the two ends of the first electric capacity, diode is provided with between first electric capacity and the second electric capacity, the negative electrode of diode connects first electric capacity one end, anode connects second electric capacity one end, and the other end of the first electric capacity is connected with the other end of the second electric capacity; The voltage input end of pulse multiplication units is the two ends of the first electric capacity, output is the negative electrode of anode to diode of diode, the cascade system of adjacent pulse multiplication units is the diode cathode of the diode anode connection rear class of prime, and coupling magnetic switch is coupled on same magnetic core.
In described pulse multiplication units, the first electric capacity is with in parallel with the magnetic switch that is coupled, and a pin of the second electric capacity is connected with a pin of the first electric capacity, and another pin connects the anode of diode, and the negative electrode of diode is connected to another pin of the first electric capacity.
Described pulse multiplication concatenation unit is the pulse multiplication units of N number of cascade, and the anode of previous diodes connects the negative electrode of rear class diode.
The input of described pulse multiplication concatenation unit is the two ends of the first electric capacity of first order pulse multiplication units, and output is that the anode of the diode of N level pulse multiplication units is to the diode cathode of the first electric capacity.
Described have identical parameter for 2N electric capacity in the pulse multiplication units of N number of cascade, and N number of magnetic switch is coupled to same magnetic core and has identical parameters, and its Same Name of Ends arranges and is same direction.
Described pulse multiplication concatenation unit is when the charging stage, N number of coupling magnetic switch is in unsaturated state, two electric capacity of first order pulse multiplication units are transfused to pulse charged in parallel, forward current crossed by diode, the charging voltage at the coupling magnetic switch two ends of first order pulse multiplication units senses the coupling magnetic switch two ends of the N-1 level of cascade thereafter, all capacitor chargings simultaneously rearwards in N-1 level module, all capacitance voltages are charged to peak value U simultaneously;
All capacitance voltages enter discharge regime after being charged to peak value U, the magnetic core at coupling magnetic switch place is saturated, alternate electric capacity and the magnetic switch oscillating discharge that is coupled with its parallel connection, the capacitance voltage discharged in half period becomes-U from U, in this stage, because the reverse voltage of diode is isolated, remaining half capacitance voltage remains unchanged, output voltage from the diode two ends of N number of series connection, its amplitude be 2N capacitance voltage be superposed to 2NU.
After described clock is charged to magnetic compression circuit by inductance, first to the electric capacity C of first magnetic compression unit
5charging, when its both end voltage reaches peak value, the magnetic switch MS of first magnetic compression unit
2saturation conduction, electric capacity C
5pass through MS
2pulsactor start to subordinate's magnetic compression unit electric capacity C
6resonant charging, C
6when charging to peak value, the magnetic switch MS of subordinate's magnetic compression unit
3saturation conduction, electric capacity C
6by magnetic switch MS
3pulsactor and pulse transformer charge to the pulse concatenation unit that doubles.
Described to pulse multiplication concatenation unit charging time, at the capacitor charging of pulse multiplication concatenation unit to peak value, coupling magnetic switch non-conducting, pulse multiplication concatenation unit is equivalent to the parallel connection of all electric capacity, complete synchronous charging to all electric capacity, diode flows through forward current in the charging stage;
The magnetic switch that is coupled after all capacitor chargings to peak value is saturated, alternate electric capacity and the magnetic switch oscillating discharge that is coupled with its parallel connection, and the capacitance voltage discharged in half period overturns.
Compared with prior art, the present invention has following useful technique effect:
The pulse multiplication of voltage generating means of repetition rate provided by the invention, the output pulse of pulse transformer can carry out preliminary pulse compression by magnetic compression circuit, and carry out secondary multiplication of voltage and pulse front edge compression by pulse multiplication concatenation unit, thus reduce the requirement of the no-load voltage ratio of pulse transformer and the requirement of output voltage amplitude and the compression ratio to magnetic compression, the core volume of great minimizing pulse transformer and magnetic compression circuit and weight, realize system compact, densification.
The pulse multiplication of voltage generating means of repetition rate provided by the invention, pulse multiplication concatenation unit is wherein the compact pulse multiplier of repetition rate (the Coupled Magnetic Switches based Fitch Booster based on coupling magnetic switch and Fitch circuit, be called for short CMSFB), input pulse voltage magnitude 2N can be doubled doubly by the CMSFB of N number of module composition, and there is the effect in compression input pulse voltage forward position.Therefore, the CMSFB of N number of module composition is called 2N level CMSFB.
2N level CMSFB is in the charging stage, N number of coupling magnetic switch is in unsaturated state, the transformer of N number of 1:1 can be regarded as, 2 electric capacity of first order module are transfused to pulse charged in parallel, and (this stage diode flows through forward current, be equivalent to short circuit), the charging voltage at first order magnetic switch two ends senses rear N-1 level magnetic switch two ends simultaneously, thus gives all capacitor chargings in rear N-1 level module.Therefore, in the charging stage, in CMSFB, all capacitance voltages are charged to U simultaneously; When in discharge regime CMSFB, all capacitance voltages are charged to U, the magnetic core at magnetic switch place is saturated, alternate electric capacity and the magnetic switch oscillating discharge in parallel with it, in half period, capacitance voltage becomes-U. in this stage from U, due to the reverse voltage isolation effect of diode, remaining half capacitance voltage remains unchanged.Therefore, output voltage from the diode two ends of N number of series connection, its amplitude is the superposition of 2N capacitance voltage, is 2NU, and its rise time is the general of magnetic switch and capacitive tank cycle, much smaller than the charging interval of electric capacity.Therefore, CMSFB also has the effect of compression pulse rise time.
The charge circuit of CMSFB is not be made up of resistance, but is undertaken by the pulse transformer being equivalent to 1:1 during coupling magnetic switch unsaturation, thus ensures that the charging interval is shorter, and efficiency is higher.Further, control inductance and capacitive tank start not to be by gas switch, but satiable inductor (coupling magnetic switch).Magnetic switch does not have the problem of electrode erosion and insulation recovery, thus this circuit can be run under high repetition frequency.As long as input power is repetition, CMSFB just can be allowed to work in repetition state.
Accompanying drawing explanation
Fig. 1 existingly exempts from reset magnetic compression circuit topological diagram;
Fig. 2 is the integrated circuit topological diagram of 4 grades of pulse multipliers;
Fig. 3-1 ~ 3-3 is respectively the experimental voltage oscillogram of 4 grades of pulse multipliers;
Fig. 4 is the integrated circuit topological diagram of 6 grades of pulse multipliers.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, and the explanation of the invention is not limited.
A pulse multiplication of voltage generating means for repetition rate, comprises clock, magnetic compression circuit, pulse transformer and pulse multiplication concatenation unit; Clock is charged to magnetic compression circuit by inductance, and input pulse is sent into pulse transformer and carried out elementary multiplication of voltage after the compression of magnetic compression circuit forward position, and then sends into pulse multiplication concatenation unit and carry out secondary multiplication of voltage and forward position compression;
Magnetic compression circuit is connected with clock by inductance, comprise multistage magnetic compression unit, every grade of magnetic compression unit comprises electric capacity and magnetic switch, and one end of electric capacity is connected with one end of magnetic switch, the other end of electric capacity and the other end of magnetic switch and next stage Capacitance parallel connection;
Magnetic compression circuit is connected by pulse transformer and the pulse concatenation unit that doubles;
Pulse multiplication concatenation unit comprises the pulse multiplication units of multiple cascade, each pulse multiplication units comprises the first electric capacity and the second electric capacity, coupling magnetic switch is connected in parallel on the two ends of the first electric capacity, diode is provided with between first electric capacity and the second electric capacity, the negative electrode of diode connects first electric capacity one end, anode connects second electric capacity one end, and the other end of the first electric capacity is connected with the other end of the second electric capacity; The voltage input end of pulse multiplication units is the two ends of the first electric capacity, output is the negative electrode of anode to diode of diode, the cascade system of adjacent pulse multiplication units is the diode cathode of the diode anode connection rear class of prime, and coupling magnetic switch is coupled on same magnetic core.
Above-mentioned pulse multiplication concatenation unit, the pulse multiplication concatenation unit be based on coupling magnetic switch and Fitch circuit is called the compact pulse multiplier of repetition rate (Coupled Magnetic Switches based Fitch Booster is called for short CMSFB).After the input of CMSFB is to electricity, the effect of multiplication of voltage and forward position compression can be reached.
See Fig. 2, comprise the pulse multiplication of voltage generating means of the repetition rate of two unit cascaded CMSFB, can be divided into two parts, its circuit topological structure is described below:
Part I is the classical magnetic compression circuit of a two-stage.Clock S
1pass through inductance L
3to magnetic compression circuit (by C
5, C
6, MS
2, MS
3form) charging.Input pulse sends into pulse transformer PT after the compression of forward position
2elementaryly carry out multiplication of voltage.
Second subsystem is two unit cascaded CMSFB, and its circuit topological structure is described below: electric capacity C
7with the magnetic switch MS that is coupled
4parallel connection, C
8a pin and C
7a pin be connected, another pin connects diode D
1anode, the negative electrode of diode is connected to electric capacity C
7another pin.Foregoing circuit topology is a module of CMSFB, the multiple module of cascade can reach the effect of voltage multiplication.CMSFB is cascaded as: the anode of previous diodes connects the negative electrode of rear class diode, and coupling magnetic switch is coupled on a magnetic core.
Pulse multiplication concatenation unit can be made up of the cascade of N number of pulse multiplication units, the positive pole of system input voltage is connected to by first module first electric capacity upper end, first electric capacity lower end is connected to negative pole and the earth electrode of system input voltage, the method that the upper output of a module is connected with the input of next module is formed 2N level pulse multiplier by remainder, wherein 2N electric capacity has identical parameter, N number of magnetic switch is coupled to same magnetic core and has identical parameters, and the arrangement of its Same Name of Ends is same direction.
After CMSFB utilizes electric capacity to be full of electricity, polarity upset realizes multiplication of voltage, and its charge circuit is not be made up of resistance, but is undertaken by the pulse transformer being equivalent to 1:1 during coupling magnetic switch unsaturation, thus ensures that the charging interval is shorter, and efficiency is higher.And control inductance and capacitive tank and start not to be lean on gas switch, but satiable inductor (magnetic switch).Magnetic switch does not have the problem of electrode erosion and insulation recovery, thus this circuit can be run under high repetition frequency.
Input pulse voltage magnitude 2N can be doubled doubly by the CMSFB of N number of module composition, and there is the effect (compared with input, the output voltage rise time is less than the output voltage rise time to output) in compression input pulse voltage forward position.Therefore, the work of the CMSFB called after 2N level CMSFB.2N level CMSFB of N number of module composition is divided into two stages, i.e. charging stage and discharge regime.
Pulse multiplication concatenation unit is when the charging stage, N number of coupling magnetic switch is in unsaturated state, two electric capacity of first order pulse multiplication units are transfused to pulse charged in parallel, forward current crossed by diode, the charging voltage at the coupling magnetic switch two ends of first order pulse multiplication units senses the coupling magnetic switch two ends of the N-1 level of cascade thereafter, all capacitor chargings simultaneously rearwards in N-1 level module, all capacitance voltages are charged to peak value U simultaneously;
All capacitance voltages enter discharge regime after being charged to peak value U, the magnetic core at coupling magnetic switch place is saturated, alternate electric capacity and the magnetic switch oscillating discharge that is coupled with its parallel connection, the capacitance voltage discharged in half period becomes-U from U, in this stage, because the reverse voltage of diode is isolated, remaining half capacitance voltage remains unchanged, output voltage from the diode two ends of N number of series connection, its amplitude be 2N capacitance voltage be superposed to 2NU.Its rise time is the general of magnetic switch and capacitive tank cycle, much smaller than the charging interval of electric capacity.Therefore, CMSFB also has the effect of compression pulse rise time.
Concrete, the pulse multiplication of voltage generating means of repetition rate is when charging, and clock S passes through inductance L
3to electric capacity C
5charging, C
5when both end voltage reaches peak value, magnetic switch MS
2saturation conduction, electric capacity C
5pass through MS
2pulsactor start to electric capacity C
6resonant charging.Electric capacity C
6when charging to peak value, magnetic switch MS
3saturation conduction, electric capacity C
6by magnetic switch MS
3pulsactor and pulse transformer PT
2to 4 grades of CMSFB chargings of rear class.
Electric capacity C
6pass through MS
3and PT
2charge to CMSFB.In this process, CMFB is equivalent to C
7-C
10parallel connection.At C
7before charging to peak value, coupling magnetic switch MS
4with MS
5not conducting, visual for no-load voltage ratio be the pulse transformer of 1:1, its primary charging voltage is coupled to secondary, to C
9with C
10complete synchronous charging.Diode D
1with D
2flow through forward current in the charging stage, be equivalent to short circuit.
C
7-C
10mS when charging to peak value U
4with MS
5saturated, be equivalent to the linear inductance that an inductance value is minimum.Subsequently, C
7and C
9respectively with MS
4with MS
5resonant discharge.Within half cycle of oscillation, C
7and C
9both end voltage is from U
0turn to-U
0, C
8and C
10both end voltage is due to diode D
1with D
2isolation keep peak value.Now export pulse (D
2anode to D
1negative electrode) voltage magnitude be-4U
0, achieve the effect of voltage multiplication and rising edge of a pulse compression.
C
7-C
10capacitance is identical, to ensure discharge regime synchronous working.MS
4with MS
5should be wound in same magnetic core and have the identical number of turn, identical to ensure two module charging voltages, corresponding capacitance is turned to-U simultaneously
0, thus the output voltage rise time is the shortest.
Fig. 3-1 ~ Fig. 3-3 illustrates CMSFB electric capacity at different levels and output voltage waveform.Fig. 3-1 and Fig. 3-2 are respectively electric capacity C
7, C
8, C
9, C
10charge and discharge waveform, C
7-C
108.5kV. MS is subsequently charged in 8.5 μ s inter-syncs
4with MS
5saturated, C
7with C
9both end voltage turn to-13kV and-11.6kV, in the process C respectively in 1.58 μ s
8and C
10both end voltage only drops to 4.5kV, therefore from D
2anode and D
1negative electrode produce output voltage reach about 4 times of charging voltages, as shown in Fig. 3-3.Output voltage doubly increases to 33.6kV, and rising edge is compressed to 1.6 μ s, and voltage multiplication efficiency eta is 99%, and pulse compression ratio is 5.3.
In order to embody the modular designs of CMSFB, further provide the circuit structure topology of 6 grades of CMSFB, as shown in Figure 4.The difference of 6 grades of CMSFB and aforementioned 4 grades of CMSFB is that the former adds a cascade module, the C namely in Fig. 4
17, C
18, D
5, MS
10. Cascading Methods are D
5negative electrode and D
4anode be connected, MS
10and MS
8and MS
9be coupling on a magnetic core.According to Such analysis, the output voltage amplitude of 6 grades of CMSFB is 6 times of input pulse voltage magnitude.
Claims (7)
1. a pulse multiplication of voltage generating means for repetition rate, is characterized in that, comprises clock, magnetic compression circuit, pulse transformer and pulse multiplication concatenation unit; Clock is charged to magnetic compression circuit by inductance, and input pulse is sent into pulse transformer and carried out elementary multiplication of voltage after the compression of magnetic compression circuit forward position, and then sends into pulse multiplication concatenation unit and carry out secondary multiplication of voltage and forward position compression;
Magnetic compression circuit is connected with clock by inductance, comprise multistage magnetic compression unit, every grade of magnetic compression unit comprises electric capacity and magnetic switch, and one end of electric capacity is connected with one end of magnetic switch, the other end of electric capacity and the other end of magnetic switch and next stage Capacitance parallel connection;
Magnetic compression circuit is connected by pulse transformer and the pulse concatenation unit that doubles;
Pulse multiplication concatenation unit comprises the pulse multiplication units of multiple cascade, each pulse multiplication units comprises the first electric capacity and the second electric capacity, coupling magnetic switch is connected in parallel on the two ends of the first electric capacity, diode is provided with between first electric capacity and the second electric capacity, the negative electrode of diode connects first electric capacity one end, anode connects second electric capacity one end, and the other end of the first electric capacity is connected with the other end of the second electric capacity; The voltage input end of pulse multiplication units is the two ends of the first electric capacity, output is the negative electrode of anode to diode of diode, the cascade system of adjacent pulse multiplication units is the diode cathode of the diode anode connection rear class of prime, and coupling magnetic switch is coupled on same magnetic core;
Described pulse multiplication concatenation unit is the pulse multiplication units of N number of cascade, and the anode of previous diodes connects the negative electrode of rear class diode;
Described pulse multiplication concatenation unit is when the charging stage, N number of coupling magnetic switch is in unsaturated state, two electric capacity of first order pulse multiplication units are transfused to pulse charged in parallel, forward current crossed by diode, the charging voltage at the coupling magnetic switch two ends of first order pulse multiplication units senses the coupling magnetic switch two ends of the N-1 level of cascade thereafter, all capacitor chargings simultaneously rearwards in N-1 level module, all capacitance voltages are charged to peak value U simultaneously;
All capacitance voltages enter discharge regime after being charged to peak value U, the magnetic core at coupling magnetic switch place is saturated, alternate electric capacity and the magnetic switch oscillating discharge that is coupled with its parallel connection, the capacitance voltage discharged in half period becomes-U from U, in this stage, because the reverse voltage of diode is isolated, remaining half capacitance voltage remains unchanged, output voltage from the diode two ends of N number of series connection, its amplitude be 2N capacitance voltage be superposed to 2NU.
2. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 1, it is characterized in that, the input of described pulse multiplication concatenation unit is the two ends of the first electric capacity of first order pulse multiplication units, and output is that the anode of the diode of N level pulse multiplication units is to the diode cathode of first order pulse multiplication units.
3. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 1, it is characterized in that, described have identical parameter for 2N electric capacity in the pulse multiplication units of N number of cascade, and N number of magnetic switch is coupled to same magnetic core and has identical parameters, and its Same Name of Ends arranges and is same direction.
4. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 1, is characterized in that, after clock is charged to magnetic compression circuit by inductance, first to the electric capacity C of first magnetic compression unit
5charging, when its both end voltage reaches peak value, the magnetic switch MS of first magnetic compression unit
2saturation conduction, electric capacity C
5pass through MS
2pulsactor start to subordinate's magnetic compression unit electric capacity C
6resonant charging, C
6when charging to peak value, the magnetic switch MS of subordinate's magnetic compression unit
3saturation conduction, electric capacity C
6by magnetic switch MS
3pulsactor and pulse transformer charge to the pulse concatenation unit that doubles.
5. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 4, it is characterized in that, during to pulse multiplication concatenation unit charging, pulse multiplication concatenation unit capacitor charging to peak value, the non-conducting of coupling magnetic switch, pulse multiplication concatenation unit is equivalent to the parallel connection of all electric capacity, and complete synchronous charging to all electric capacity, diode flows through forward current in the charging stage;
The magnetic switch that is coupled after all capacitor chargings to peak value is saturated, alternate electric capacity and the magnetic switch oscillating discharge that is coupled with its parallel connection, and the capacitance voltage discharged in half period overturns.
6. the compact pulse multiplier of repetition rate based on be coupled magnetic switch and Fitch circuit, it is characterized in that, comprise the pulse multiplication units of multiple cascade, each pulse multiplication units comprises the first electric capacity and the second electric capacity, coupling magnetic switch is connected in parallel on the two ends of the first electric capacity, and be provided with diode between the first electric capacity and the second electric capacity, the negative electrode of diode connects first electric capacity one end, anode connects second electric capacity one end, and the other end of the first electric capacity is connected with the other end of the second electric capacity;
The voltage input end of pulse multiplication units is the two ends of the first electric capacity, output is the negative electrode of anode to diode of diode, the cascade system of adjacent pulse multiplication units is the diode cathode of the diode anode connection rear class of prime, and coupling magnetic switch is coupled on same magnetic core;
When the pulse multiplication units cascade of N number of cascade, its input is the two ends of the first electric capacity of first order pulse multiplication units, and output is that the anode of the diode of N level pulse multiplication units is to the diode cathode of first order pulse multiplication units; Its voltage multiplication is to 2N doubly compared with input for output.
7., as claimed in claim 6 based on the compact pulse multiplier of repetition rate of be coupled magnetic switch and Fitch circuit, it is characterized in that, output is compared with input, and the output voltage rise time is less than the output voltage rise time.
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| CN103795286B (en) * | 2014-02-21 | 2016-04-20 | 南京冠亚电源设备有限公司 | A kind of high pressure repetition clock based on GL1551G type hydrogen thyratron |
| CN104236400B (en) * | 2014-05-26 | 2016-07-06 | 魏连君 | E-bombs |
| CN107081046B (en) * | 2017-06-23 | 2023-10-17 | 杭州天明环保工程有限公司 | Pulse generating device for purifying flue gas |
| CN109378967B (en) * | 2018-12-10 | 2023-11-10 | 刘秀清 | Current limiter circuit based on direct current reverse voltage doubler and battery bidirectional depolarization circuit |
| CN110445480B (en) * | 2019-08-05 | 2023-03-28 | 西安热工研究院有限公司 | Multi-stage fast-front-edge high-voltage pulse trigger and synchronization method thereof |
| CN111464067B (en) * | 2020-03-17 | 2021-07-06 | 重庆大学 | High-frequency extremely short electron gun grid regulation pulse power supply system |
| CN112397206B (en) * | 2020-11-30 | 2023-05-09 | 华中科技大学 | Magnetic compression device and method for field-reaction plasma |
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