CN102931867A - Pulse voltage-multiplying generation device with repetition frequency - Google Patents
Pulse voltage-multiplying generation device with repetition frequency Download PDFInfo
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- CN102931867A CN102931867A CN2012103823482A CN201210382348A CN102931867A CN 102931867 A CN102931867 A CN 102931867A CN 2012103823482 A CN2012103823482 A CN 2012103823482A CN 201210382348 A CN201210382348 A CN 201210382348A CN 102931867 A CN102931867 A CN 102931867A
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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 the Pulse Power Techniques field, relate to a kind of pulse multiplication of voltage generating means of repetition rate.
Background technology
Pulse Power Techniques welcome the development peak period along with the urgent application demand of the industrial circles such as nitrogen oxide processing, ozone preparation, sewage disposal, volume and the cost of pulse voltage amplitude, rise time, repeated work frequency, particularly clock have all 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, and its circuit structure is (Zhang Dongdong, Yan Ping as shown in Figure 1, Wang Yu, etc. 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
1Armature winding series connection and consist of the closed-loop path.The high-voltage charging capacitor C
2And C
3With magnetic switch MS
1And air core inductor L
2(or semiconductor opening switch, upper end anode, lower end negative electrode) series connection and formation closed-loop path.Pulse transformer secondary winding and high-voltage charging capacitor C
3Parallel connection, and consist of the closed-loop path.Load and air core inductor L
2Parallel connection also consists of the closed-loop path.
For the requirement that adapts to 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 need to be the voltage multiplication of several hectovolts to tens of kilovolts, and this will cause pulse transformer to have sizable no-load voltage ratio.Hypermutation has two than the problem of bringing: at first, the hypermutation ratio requires the pulse transformer number of primary turns seldom.In order to guarantee that pulse can access effective multiplication of voltage in uphill process, need the magnetic core of pulse transformer unsaturated in the multiplication of voltage process, and because number of primary turns is less, then must rely on increase magnetic core sectional area to reach the undersaturated requirement of magnetic core.Therefore, the whole magnetic core volume will become greatly, and system cost and volume all can increase.On the other hand, it is more that the hypermutation ratio requires the pulse transformer secondary coil number of turn.For can be on magnet ring the abundant coil of coiling, the girth of magnet ring needs larger, thereby has increased core volume and cost.
Document (USPatent nr 3,366,799,30. for Richard Anthony Fitch, Mortimer. " Electrical Pulse Generator ") has proposed the amplitude multiplication of Fitch circuit as pulse voltage.Wherein, N capacitances in series, and alternate electric capacity two ends air core inductor in parallel, air core inductor is connected the ball crack and connects with electric capacity.Electric capacity at different levels connect by resistance, and the effect of resistance is to provide the loop for capacitor charging.After electric capacity is finished by the resistance charging, the synchronous conducting in balls at different levels crack, alternate electric capacity and air core inductor voltage carry out resonance.When polarity of voltage reversed fully, output obtained N input voltage doubly.But above-mentioned circuit has following shortcoming: 1, electric capacity charges by resistance, and the charging interval is very long, can't accomplish to rerun.2, adopt the ball crack as switch, its insulator recovery time and electrode erosion have also limited the frequency that reruns of whole system.
Summary of the invention
The problem that the present invention solves is to provide a kind of pulse multiplication of voltage generating means of repetition rate, new pulse multiple circuit is proposed, can reduce the requirement of the no-load voltage ratio of pulse transformer and output voltage amplitude and to the requirement of the compression ratio of magnetic compression, reduce core volume and the weight of pulse transformer and magnetic compression circuit, realize system's miniaturization, densification.
The present invention is achieved through the following technical solutions:
A kind of pulse multiplication of voltage generating means of repetition rate comprises clock, magnetic compression circuit, pulse transformer and pulse multiplier stage receipts or other documents in duplicate unit; Clock, is sent into pulse transformer after input pulse compresses through magnetic compression circuit forward position and is carried out elementary multiplication of voltage, and then send into pulse multiplier stage receipts or other documents in duplicate unit and carry out secondary multiplication of voltage and forward position compression to the charging of magnetic compression circuit by inductance;
The 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 an end of electric capacity and an end of magnetic switch are connected, the other end of electric capacity and the other end of magnetic switch and next stage Capacitance parallel connection;
The magnetic compression circuit is connected with pulse multiplier stage receipts or other documents in duplicate unit by pulse transformer; The cascade unit comprises the pulse multiplication units of a plurality of cascades, each pulse multiplication units comprises the first electric capacity and the second electric capacity, the coupling magnetic switch is connected in parallel on the two ends of the first electric capacity, be provided with diode between the first electric capacity and the second electric capacity, the negative electrode of diode connects the first electric capacity one end, anodic bonding the second electric capacity one end, the other end of the first electric capacity links to each other 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 that the anode of diode is to the negative electrode of diode, the cascade system of adjacent pulse multiplication units is the diode cathode that the diode anode of prime connects rear class, and the coupling magnetic switch is coupled on the same magnetic core.
The first electric capacity is with in parallel with the coupling magnetic switch in the described pulse multiplication units, and a pin of the second electric capacity links to each other 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 multiplier stage receipts or other documents in duplicate unit is the pulse multiplication units of N cascade, the negative electrode of the anodic bonding rear class diode of prime diode.
The input of described pulse multiplier stage receipts or other documents in duplicate unit is the two ends of the first electric capacity of first order pulse multiplication units, and output is that the anode of diode of N level pulse multiplication units is to the diode cathode of the first electric capacity.
Described N magnetic switch is coupled to same magnetic core and has identical parameters for 2N electric capacity in the pulse multiplication units of N cascade has identical parameter, and its Same Name of Ends is arranged and is same direction.
Described pulse multiplier stage receipts or other documents in duplicate unit is when the charging stage, N coupling magnetic switch is in unsaturated state, two electric capacity of first order pulse multiplication units are transfused to the pulse charged in parallel, diode is crossed forward current, the charging voltage at the coupling magnetic switch two ends of first order pulse multiplication units is sensed the coupling magnetic switch two ends of the N-1 level of thereafter cascade, all capacitor chargings in the N-1 level module rearwards simultaneously, 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 coupling magnetic switch oscillating discharge in parallel with it, the capacitance voltage that discharges in half period becomes-U from U, in this stage, because the isolation of the reverse voltage of diode, remaining half capacitance voltage remains unchanged, exported voltage from the diode two ends of N series connection, its amplitude is the 2NU that is superposed to of 2N capacitance voltage.
Described clock by inductance after magnetic compression circuit charging, at first to the capacitor 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, capacitor C
5Pass through MS
2Pulsactor begin to the capacitor C of subordinate magnetic compression unit
6Resonant charging, C
6When charging to peak value, the magnetic switch MS of subordinate magnetic compression unit
3Saturation conduction, capacitor C
6By magnetic switch MS
3Pulsactor and pulse transformer to the unit charging of pulse multiplier stage receipts or other documents in duplicate.
Described to pulse multiplier stage receipts or other documents in duplicate when charging unit, at the capacitor charging of pulse multiplier stage receipts or other documents in duplicate unit to peak value, the not conducting of coupling magnetic switch, the equivalence of pulse multiplier stage receipts or other documents in duplicate unit is the parallel connection of all electric capacity, all electric capacity are finished synchronous charging, and diode flows through forward current in the charging stage;
All capacitor chargings coupling magnetic switch to the peak value is saturated, alternate electric capacity and the coupling magnetic switch oscillating discharge in parallel with it, the capacitance voltage that discharges in half period upset.
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, output pulse that can pulse transformer is carried out preliminary pulse compression by the magnetic compression circuit, and carry out the compression of secondary multiplication of voltage and pulse front edge by pulse multiplier stage receipts or other documents in duplicate unit, thereby reduce the requirement of the no-load voltage ratio of pulse transformer and output voltage amplitude and to the requirement of the compression ratio of magnetic compression, reduce greatly core volume and the weight of pulse transformer and magnetic compression circuit, realize system's miniaturization, densification.
The pulse multiplication of voltage generating means of repetition rate provided by the invention, pulse multiplier stage receipts or other documents in duplicate unit wherein is based on the compact pulse multiplier of repetition rate (the CoupledMagnetic Switches based Fitch Booster of coupling magnetic switch and Fitch circuit, be called for short CMSFB), CMSFB by N module composition can double input pulse voltage magnitude 2N doubly, and has the effect in compression input pulse voltage forward position.Therefore, the CMSFB with N module composition is called 2N level CMSFB.
CMSFB is in the charging stage for the 2N level, N coupling magnetic switch is in unsaturated state, the transformer that can regard N 1:1 as, 2 electric capacity of first order module are transfused to the 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 is sensed rear N-1 level magnetic switch two ends simultaneously, thereby gives all capacitor chargings in the rear N-1 level module.Therefore, in the charging stage, all capacitance voltages are charged to U simultaneously among the CMSFB; When all capacitance voltages are charged to U in discharge regime CMSFB, 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 from U become-U. is in this stage, because the reverse voltage isolation effect of diode, remaining half capacitance voltage remains unchanged.Therefore, exported voltage from the diode two ends of N series connection, its amplitude is the stack of 2N capacitance voltage, is 2NU, its rise time be magnetic switch and electric capacity cycle of oscillation generally, 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 to be made of resistance, but equivalence is carried out for the pulse transformer of 1:1 during by coupling magnetic switch unsaturation, thereby the assurance charging interval is shorter, and efficient is higher.Further, control inductance and electric capacity starting of oscillation are not by gas switch, but satiable inductor (coupling magnetic switch).Magnetic switch does not have the problem of electrode erosion and insulation recovery, thereby so that this circuit can under high repetition frequency, move.As long as input power is repetition, just can allow CMSFB work in the repetition state.
Description of drawings
Fig. 1 is the existing magnetic compression circuit topology figure that exempts to reset;
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
The present invention is described in further detail below in conjunction with specific embodiment, and the explanation of the invention is not limited.
A kind of pulse multiplication of voltage generating means of repetition rate comprises clock, magnetic compression circuit, pulse transformer and pulse multiplier stage receipts or other documents in duplicate unit; Clock, is sent into pulse transformer after input pulse compresses through magnetic compression circuit forward position and is carried out elementary multiplication of voltage, and then send into pulse multiplier stage receipts or other documents in duplicate unit and carry out secondary multiplication of voltage and forward position compression to the charging of magnetic compression circuit by inductance;
The 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 an end of electric capacity and an end of magnetic switch are connected, the other end of electric capacity and the other end of magnetic switch and next stage Capacitance parallel connection;
The magnetic compression circuit is connected with pulse multiplier stage receipts or other documents in duplicate unit by pulse transformer;
Pulse multiplier stage receipts or other documents in duplicate unit comprises the pulse multiplication units of a plurality of cascades, each pulse multiplication units comprises the first electric capacity and the second electric capacity, the coupling magnetic switch is connected in parallel on the two ends of the first electric capacity, be provided with diode between the first electric capacity and the second electric capacity, the negative electrode of diode connects the first electric capacity one end, anodic bonding the second electric capacity one end, the other end of the first electric capacity links to each other 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 that the anode of diode is to the negative electrode of diode, the cascade system of adjacent pulse multiplication units is the diode cathode that the diode anode of prime connects rear class, and the coupling magnetic switch is coupled on the same magnetic core.
Above-mentioned pulse multiplier stage receipts or other documents in duplicate unit, the pulse multiplier stage receipts or other documents in duplicate unit that is based on coupling magnetic switch and Fitch circuit is called the compact pulse multiplier of repetition rate (Coupled Magnetic Switches basedFitch Booster is called for short CMSFB).After the input of CMSFB is to electricity, can reach the effect of multiplication of voltage and forward position compression.
Referring to 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:
First is the classical magnetic compression circuit of a two-stage.Clock S
1Pass through inductance L
3Give the magnetic compression circuit (by C
5, C
6, MS
2, MS
3Consist of) charging.Input pulse is sent into pulse transformer PT after compressing through the forward position
2The elementary multiplication of voltage of carrying out.
The second subsystem is two unit cascaded CMSFB, and its circuit topological structure is described below: capacitor C
7With coupling magnetic switch MS
4Parallel connection, C
8Pin and C
7A pin link to each other, another pin connects diode D
1Anode, the negative electrode of diode is connected to capacitor C
7Another pin.The foregoing circuit topology is the module of CMSFB, can a plurality of modules of cascade reaches the effect of voltage multiplication.CMSFB is cascaded as: the negative electrode of the anodic bonding rear class diode of prime diode, the coupling magnetic switch is coupled on the magnetic core.
Pulse multiplier stage receipts or other documents in duplicate unit can be made of the cascade of N pulse multiplication units, be connected to the positive pole of system's input voltage by first module the first electric capacity upper end, the negative pole that the first electric capacity lower end is connected to system's input voltage is earth electrode, remainder links to each other the output of a upper module with the input of next module method consists of 2N level pulse multiplier, wherein 2N electric capacity has identical parameter, N magnetic switch is coupled to same magnetic core and has identical parameters, and its Same Name of Ends is arranged and is same direction.
Polarity upset was realized multiplication of voltage after CMSFB utilized electric capacity to be full of electricity, and its charge circuit is not to be made of resistance, but equivalence is carried out for the pulse transformer of 1:1 during by coupling magnetic switch unsaturation, thereby the assurance charging interval is shorter, and efficient is higher.And control inductance and electric capacity starting of oscillation be not to lean on gas switch, but satiable inductor (magnetic switch).Magnetic switch does not have the problem of electrode erosion and insulation recovery, thereby so that this circuit can under high repetition frequency, move.
CMSFB by N module composition can double input pulse voltage magnitude 2N doubly, and has the effect (output is compared with input, and the output voltage rise time is less than the output voltage rise time) in compression input pulse voltage forward position.Therefore, the work with the CMSFB called after 2N level CMSFB.2N level CMSFB of N module composition is divided into two stages, i.e. charging stage and discharge regime.
Pulse multiplier stage receipts or other documents in duplicate unit is when the charging stage, N coupling magnetic switch is in unsaturated state, two electric capacity of first order pulse multiplication units are transfused to the pulse charged in parallel, diode is crossed forward current, the charging voltage at the coupling magnetic switch two ends of first order pulse multiplication units is sensed the coupling magnetic switch two ends of the N-1 level of thereafter cascade, all capacitor chargings in the N-1 level module rearwards simultaneously, 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 coupling magnetic switch oscillating discharge in parallel with it, the capacitance voltage that discharges in half period becomes-U from U, in this stage, because the isolation of the reverse voltage of diode, remaining half capacitance voltage remains unchanged, exported voltage from the diode two ends of N series connection, its amplitude is the 2NU that is superposed to of 2N capacitance voltage.Its rise time is the general of magnetic switch and electric capacity cycle of oscillation, 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 capacitor C
5Charging, C
5When both end voltage reaches peak value, magnetic switch MS
2Saturation conduction, capacitor C
5Pass through MS
2Pulsactor begin to capacitor C
6Resonant charging.Capacitor C
6When charging to peak value, magnetic switch MS
3Saturation conduction, capacitor C
6By magnetic switch MS
3Pulsactor and pulse transformer PT
24 grades of CMSFB chargings to rear class.
Capacitor C
6Pass through MS
3And PT
2Charge to CMSFB.In this process, the CMFB equivalence is 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 is the pulse transformer of 1:1, its elementary charging voltage is coupled to secondary, to C
9With C
10Finish 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, equivalence is a linear inductance that 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 because diode D
1With D
2Isolation keep peak value.Export pulse (D this moment
2Anode to D
1Negative electrode) voltage magnitude be-4U
0, realized the effect of voltage multiplication and rising edge of a pulse compression.
C
7-C
10Capacitance is identical, to guarantee the discharge regime synchronous working.MS
4With MS
5Should be wound in same magnetic core and have the identical number of turn, identical to guarantee two module charging voltages, corresponding capacitance is turned to-U simultaneously
0Thereby 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 capacitor C
7, C
8, C
9, C
10The charge and discharge waveform, C
7-C
10Charge to subsequently MS of 8.5kV. in 8.5 μ s inter-syncs
4With MS
5Saturated, C
7With C
9Both end voltage turn to respectively in 1.58 μ s-13kV and-11.6kV, and C in this process
8And C
10Both end voltage only drops to 4.5kV, therefore from D
2Anode and D
1The output voltage that produces of negative electrode reached about 4 times of charging voltages, shown in Fig. 3-3.Output voltage doubly increases to 33.6kV, and rising edge is compressed to 1.6 μ s, and the voltage multiplication efficiency eta is 99%, and pulse compression ratio is 5.3.
In order to embody the modular designs of CMSFB, the circuit structure topology of 6 grades of CMSFB has further been proposed, as shown in Figure 4.The difference of 6 grades of CMSFB and aforementioned 4 grades of CMSFB is that the former has increased a cascade module, i.e. C among Fig. 4
17, C
18, D
5, MS
10. Cascading Methods are D
5Negative electrode and D
4Anode link to each other MS
10And MS
8And MS
9Be coupling on the magnetic core.According to aforementioned analysis, the output voltage amplitude of 6 grades of CMSFB is 6 times of input pulse voltage magnitude.
Claims (10)
1. the pulse multiplication of voltage generating means of a repetition rate is characterized in that, comprises clock, magnetic compression circuit, pulse transformer and pulse multiplier stage receipts or other documents in duplicate unit; Clock, is sent into pulse transformer after input pulse compresses through magnetic compression circuit forward position and is carried out elementary multiplication of voltage, and then send into pulse multiplier stage receipts or other documents in duplicate unit and carry out secondary multiplication of voltage and forward position compression to the charging of magnetic compression circuit by inductance;
The 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 an end of electric capacity and an end of magnetic switch are connected, the other end of electric capacity and the other end of magnetic switch and next stage Capacitance parallel connection;
The magnetic compression circuit is connected with pulse multiplier stage receipts or other documents in duplicate unit by pulse transformer;
Pulse multiplier stage receipts or other documents in duplicate unit comprises the pulse multiplication units of a plurality of cascades, each pulse multiplication units comprises the first electric capacity and the second electric capacity, the coupling magnetic switch is connected in parallel on the two ends of the first electric capacity, be provided with diode between the first electric capacity and the second electric capacity, the negative electrode of diode connects the first electric capacity one end, anodic bonding the second electric capacity one end, the other end of the first electric capacity links to each other 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 that the anode of diode is to the negative electrode of diode, the cascade system of adjacent pulse multiplication units is the diode cathode that the diode anode of prime connects rear class, and the coupling magnetic switch is coupled on the same magnetic core.
2. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 1, it is characterized in that, the first electric capacity is with in parallel with the coupling magnetic switch in the described pulse multiplication units, a pin of the second electric capacity links to each other with a pin of the first electric capacity, another pin connects the anode of diode, and the negative electrode of diode is connected to another pin of the first electric capacity.
3. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 1 or 2 is characterized in that, described pulse multiplier stage receipts or other documents in duplicate unit is the pulse multiplication units of N cascade, the negative electrode of the anodic bonding rear class diode of prime diode.
4. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 3, it is characterized in that, the input of described pulse multiplier stage receipts or other documents in duplicate unit is the two ends of the first electric capacity of first order pulse multiplication units, and output is that the anode of diode of N level pulse multiplication units is to the diode cathode of the first electric capacity.
5. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 3, it is characterized in that, described N magnetic switch is coupled to same magnetic core and has identical parameters for 2N electric capacity in the pulse multiplication units of N cascade has identical parameter, and its Same Name of Ends is arranged and is same direction.
6. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 3, it is characterized in that, described pulse multiplier stage receipts or other documents in duplicate unit is when the charging stage, N coupling magnetic switch is in unsaturated state, two electric capacity of first order pulse multiplication units are transfused to the pulse charged in parallel, diode is crossed forward current, the charging voltage at the coupling magnetic switch two ends of first order pulse multiplication units is sensed the coupling magnetic switch two ends of the N-1 level of thereafter cascade, all capacitor chargings in the N-1 level module rearwards simultaneously, 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 coupling magnetic switch oscillating discharge in parallel with it, the capacitance voltage that discharges in half period becomes-U from U, in this stage, because the isolation of the reverse voltage of diode, remaining half capacitance voltage remains unchanged, exported voltage from the diode two ends of N series connection, its amplitude is the 2NU that is superposed to of 2N capacitance voltage.
7. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 1 is characterized in that, clock by inductance after magnetic compression circuit charging, at first to the capacitor 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, capacitor C
5Pass through MS
2Pulsactor begin to the capacitor C of subordinate magnetic compression unit
6Resonant charging, C
6When charging to peak value, the magnetic switch MS of subordinate magnetic compression unit
3Saturation conduction, capacitor C
6By magnetic switch MS
3Pulsactor and pulse transformer to the unit charging of pulse multiplier stage receipts or other documents in duplicate.
8. the pulse multiplication of voltage generating means of repetition rate as claimed in claim 7, it is characterized in that, during to the charging of pulse multiplier stage receipts or other documents in duplicate unit, at the capacitor charging of pulse multiplier stage receipts or other documents in duplicate unit to peak value, the not conducting of coupling magnetic switch, the equivalence of pulse multiplier stage receipts or other documents in duplicate unit is the parallel connection of all electric capacity, and all electric capacity are finished synchronous charging, and diode flows through forward current in the charging stage;
All capacitor chargings coupling magnetic switch to the peak value is saturated, alternate electric capacity and the coupling magnetic switch oscillating discharge in parallel with it, the capacitance voltage that discharges in half period upset.
9. compact pulse multiplier of the repetition rate based on coupling magnetic switch and Fitch circuit, it is characterized in that, the pulse multiplication units that comprises a plurality of cascades, each pulse multiplication units comprises the first electric capacity and the second electric capacity, the coupling magnetic switch is connected in parallel on the two ends of the first electric capacity, is provided with diode between the first electric capacity and the second electric capacity, and the negative electrode of diode connects the first electric capacity one end, anodic bonding the second electric capacity one end, the other end of the first electric capacity links to each other 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 that the anode of diode is to the negative electrode of diode, the cascade system of adjacent pulse multiplication units is the diode cathode that the diode anode of prime connects rear class, and the coupling magnetic switch is coupled on the same magnetic core;
When the pulse multiplication units cascade of N 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 diode of N level pulse multiplication units is to the diode cathode of the first electric capacity; Output is compared its voltage multiplication to 2N doubly with input.
10. the compact pulse multiplier of the repetition rate based on coupling magnetic switch and Fitch circuit as claimed in claim 9 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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| CN110445480A (en) * | 2019-08-05 | 2019-11-12 | 西安热工研究院有限公司 | A kind of multistage fast rise time high-voltage pulse trigger and its synchronous method |
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| CN104236400A (en) * | 2014-05-26 | 2014-12-24 | 魏连君 | Novel electronic bomb |
| CN104236400B (en) * | 2014-05-26 | 2016-07-06 | 魏连君 | E-bombs |
| CN107081046A (en) * | 2017-06-23 | 2017-08-22 | 杭州天明环保工程有限公司 | A kind of pulse generating unit for gas cleaning |
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