CN106018893B - Oscillation wave high-voltage generator for electrical test - Google Patents
Oscillation wave high-voltage generator for electrical test Download PDFInfo
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- CN106018893B CN106018893B CN201610283810.1A CN201610283810A CN106018893B CN 106018893 B CN106018893 B CN 106018893B CN 201610283810 A CN201610283810 A CN 201610283810A CN 106018893 B CN106018893 B CN 106018893B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
- H03K3/57—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback the switching device being a semiconductor device
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/64—Generators producing trains of pulses, i.e. finite sequences of pulses
-
- 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
- H02M1/00—Details of apparatus for conversion
- H02M1/0083—Converters characterised by their input or output configuration
- H02M1/009—Converters characterised by their input or output configuration having two or more independently controlled outputs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Control Of Eletrric Generators (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Abstract
The present invention discloses a kind of oscillation wave high-voltage generator for electrical test, it include: the high voltage power supply charging terminal being sequentially connected in series, electronic switch, resonance circuit, operational amplifier and voltage amplification unit, the high voltage power supply charging terminal, it is provided with one between the contact and ground connection of electronic switch and deposits energy module, electronic switch, a commutation circuit is provided between contact and ground connection between resonance circuit, the electronic switch further comprises: square-wave generator, push-pull circuit, differential circuit, transformer, simulate comparing unit, rest-set flip-flop and power cell, a NOT gate is provided between the square-wave generator and push-pull circuit, the output end of the push-pull circuit is connected to the input terminal of differential circuit.The present invention overcomes the prior art cannot the generator working time charge defect, reuse discharge time interval and charge, realize electric discharge and charging alternately, and generator to the charge rate of high voltage power supply almost without any requirement.
Description
Technical field
The invention belongs to high voltage power amplifier technology field more particularly to a kind of oscillation wave high pressure generations for electrical test
Device.
Background technique
The oscillation wave high-voltage generator for being currently used for electrical test includes signal source and high-voltage amplifier two parts.Its is existing
Signal generator mostly uses C-RL antiresonant circuit.The charging time of this circuit requirement high voltage power supply is much smaller than discharge time
Interval.For high frequency time discharges occasion, this circuit operation principle is infeasible.The reason is that the charge rate of high voltage power supply with
Controlling voltage accuracy is conflict, and charge power is too big.Secondly, existing voltage generator mesohigh amplifier, DAC
Output voltage is lower (such as 5V).However, not only thering is resonance frequency to want damped oscillation wave producer in field of electromagnetic compatibility user
It asks, and there are also output voltages and levels of current requirement.In view of user load impedance is determining, it is therefore desirable to amplify
The small signal of DAC output.
Summary of the invention
It is an object of the present invention to provide a kind of oscillation wave high-voltage generators for electrical test, this is used for the vibration of electrical test
It swings wave high pressure generator and overcomes the defect that the prior art cannot charge in the generator working time, reused discharge time
Interval is charged, and realizes electric discharge and charging alternately, and generator appoints the charge rate of high voltage power supply
What is required, and meets 5kV or more high pressure damped oscillation generator technical requirements.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of high pressure of oscillation wave for electrical test
Raw device, comprising: high voltage power supply charging terminal, electronic switch, resonance circuit, operational amplifier and the voltage being sequentially connected in series are put
Big unit, the high voltage power supply charging terminal, electronic switch contact and ground connection between be provided with one deposit can module, the electronics
Switch, the contact between resonance circuit and a commutation circuit is provided between ground connection, the resonance circuit and operational amplifier it
Between be provided with a low-pass filter unit, the output end of this low-pass filter unit is connected to the reverse side of operational amplifier, the fortune
The in-phase end of amplifier is calculated by resistance eutral grounding, voltage amplification unit one end opposite with operational amplifier is connected with a resistance
Anti- converter unit；
The voltage amplification unit further comprises the first triode, the second triode and diode, the first triode,
The respective base stage of two triodes is connect with operational amplifier, and the diode is located at the first triode, the second triode respectively
Collector between；The impedance converter unit further comprises third transistor, the 4th triode, this third transistor,
The respective base stage of four triodes is connect with the first triode, the respective emitter of the second triode respectively, third transistor, the 4th
Output end of the contact of each self-electrode of triode as the oscillation wave high-voltage generator for electrical test；
The electronic switch further comprises: square-wave generator, push-pull circuit, differential circuit, transformer, simulation are more single
Member, rest-set flip-flop and power cell, are provided with a NOT gate, the push-pull circuit between the square-wave generator and push-pull circuit
Output end be connected to the input terminal of differential circuit, the transformer secondary has secondary coil, the secondary coil and mould
Quasi- comparing unit, rest-set flip-flop and power cell are sequentially connected in series；
The output end of the differential circuit is connected to the primary coil of transformer primary, and the secondary coil successively connects
It is connected to the simulation comparing unit, rest-set flip-flop, the output end of this rest-set flip-flop is connected to the power cell；
The simulation comparing unit includes the first analog comparator being connected in parallel, the second analog comparator, this first mould
The non-inverting input terminal of quasi- comparator and the high-potential output end of secondary coil connect, the inverting input terminal of this first analog comparator
It is connect with the low potential output end of secondary coil, the inverting input terminal of this second analog comparator and the high potential of secondary coil are defeated
Outlet connection, the non-inverting input terminal of this second analog comparator and the low potential output end of secondary coil connect；
It is provided with push-pull amplifier circuit between the rest-set flip-flop and power cell, simulates the first simulation ratio in comparing unit
Compared with device, the respective inverting input terminal of the second analog comparator as corresponding ground reference end, the ground reference end conduct
The ground terminal of power cell, push-pull amplifier circuit；The power cell both ends are separately connected high voltage power supply charging terminal and resonance
Circuit.
It is as follows that scheme is further improved in above-mentioned technical proposal:
1. in above scheme, the energy module of depositing is by low speed storage capacitor, middling speed storage capacitor, high speed storage capacitor parallel connection
Composition.
2. in above scheme, the low-pass filter unit is made of the 2nd resistance and the 1st capacitor.
3. in above scheme, the differential circuit includes capacitor and R1 resistance, the primary coil string of this capacitor and transformer
Connection, the R1 resistance and parallel connection of primary windings.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
1. the present invention is used for the oscillation wave high-voltage generator of electrical test, which overcome the prior arts cannot be in generator work
The defect for making time charging, has reused discharge time interval and has charged, and realizes electric discharge and charging alternately, and send out
Raw device, almost without any requirement, almost can satisfy any repetition rate, the maximum of permission to the charge rate of high voltage power supply
Repetition rate of discharging meets 5kV or more high pressure damped oscillation generator technology and wants up to 5MHz or more (interval is less than 200ns)
It asks, can also cover completely including the military and civilian all open trial requirements；Secondly, can reduce based on series resonant circuit and be
The design requirement united to high voltage charging power supply, and high-frequency noise can be filtered out using low-pass filter unit, commutation circuit guarantees
The repeatability of discharge pulse, i.e. continuous several times are discharged.
2. the present invention is used for the oscillation wave high-voltage generator of electrical test, which employs edge of a pulse detections to be initially formed narrow arteries and veins
Signal is rushed, is forming burst pulse square-wave signal, then rest-set flip-flop restores to form floating ground potential demodulation square-wave signal, the floating ground
Current potential demodulation square-wave signal is amplified to 0~20V to driving power unit 7 by push-pull amplifier circuit 8, and driving circuit only needs to pass
The rising edge and failing edge information for passing pulse voltage greatly reduce the body of coupling transformer without transmitting power signal
Product, breaches any pulsewidth technology of electronic switch, can meet electric power variation and pulse power overwhelming majority application；Secondly, its
Gate-floating power supply designing technique greatly facilitates high-pressure series electronic switch application, compared with bootstrap type driving circuit, this
Kind driving circuit can meet free voltage grade (any serial number) electronic switch application.
3. the present invention is used for the oscillation wave high-voltage generator of electrical test, it is small that voltage amplification unit solves DAC high frequency
Signal boosting and generator impedance transformation problem；Secondly, between the contact and ground connection of its high voltage power supply charging terminal, electronic switch
It is provided with one and deposits energy module, and deposit energy module and composed in parallel by low speed storage capacitor, middling speed storage capacitor, high speed storage capacitor,
The contradiction between quick accumulation of energy and cost is well solved.
Detailed description of the invention
Attached drawing 1 is the oscillation wave high-voltage generator partial structural diagram one that the present invention is used for electrical test；
Attached drawing 2 is the oscillation wave high-voltage generator partial structural diagram two that the present invention is used for electrical test；
Attached drawing 3 is electronic switch partial structural diagram one in oscillation wave high-voltage generator of the present invention；
Attached drawing 4 is the partial structural diagram of attached drawing 3；
Attached drawing 5 is electronic switch partial structural diagram two in oscillation wave high-voltage generator of the present invention.
In the figures above: 1, high voltage power supply charging terminal；2, electronic switch；21, square-wave generator；22, push-pull circuit；
23, differential circuit；24, transformer；25, comparing unit is simulated；251, the first analog comparator；252, the second analog comparator；
26, rest-set flip-flop；27, power cell；28, push-pull amplifier circuit；281, the first power MOS pipe；282, the second power MOS pipe；
283, third power MOS pipe；3, resonance circuit；4, operational amplifier；5, voltage amplification unit；6, depositing can module；61, low speed stores up
It can capacitor；62, middling speed storage capacitor；63, high speed storage capacitor；7, commutation circuit；8, low-pass filter unit；9, impedance transformation is single
Member.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment 1: a kind of oscillation wave high-voltage generator for electrical test, as shown in the picture, comprising: the company of being sequentially connected in series
High voltage power supply charging terminal 1, electronic switch 2, resonance circuit 3, operational amplifier 4 and the voltage amplification unit 5 connect, the high pressure
Power source charges terminal 1, electronic switch 2 contact and ground connection between be provided with one deposit can module 6, the electronic switch 2, resonance electricity
It is provided with a commutation circuit 7 between contact and ground connection between road 3, is provided between the resonance circuit 3 and operational amplifier 4
One low-pass filter unit 8, the output end of this low-pass filter unit 8 are connected to the reverse side of operational amplifier 4, the operation amplifier
For the in-phase end of device 4 by resistance eutral grounding, the voltage amplification unit 5 one end opposite with operational amplifier 4 is connected with an impedance
Converter unit 9；
The voltage amplification unit 5 further comprises the first triode Q1, the second triode Q2 and diode D1, the one or three
Pole pipe Q1, the second respective base stage of triode Q2 are connect with operational amplifier 4, and the diode D1 is located at the first triode
Between Q1, the second respective collector of triode Q2；The impedance converter unit 9 further comprises third transistor Q3, the 4th
Triode Q4, this third transistor Q3, the 4th respective base stage of triode Q4 respectively with the first triode Q1, the second triode Q2
The connection of respective emitter, third transistor Q3, the 4th each self-electrode of triode Q4 contact as described for electrically trying
The output end for the oscillation wave high-voltage generator tested.
The electronic switch 2 further comprises: square-wave generator 21, push-pull circuit 22, differential circuit 23, transformer 24,
Comparing unit 25, rest-set flip-flop 26 and power cell 27 are simulated, is provided between the square-wave generator 21 and push-pull circuit 22
One NOT gate, the output end of the push-pull circuit 22 are connected to the input terminal of differential circuit 23, the transformer 24
Primary side has secondary coil, the secondary coil and simulation comparing unit 25, rest-set flip-flop 26 and power cell
27 are sequentially connected in series；
The output end of the differential circuit 23 is connected to the primary coil of transformer primary, and the secondary coil is successively
It is connected with the simulation comparing unit 25, rest-set flip-flop 26, the output end of this rest-set flip-flop 26 is connected to the power cell 27；
The simulation comparing unit 25 includes the first analog comparator 251, the second analog comparator 252 being connected in parallel,
The non-inverting input terminal of this first analog comparator 251 and the high-potential output end of secondary coil connect, this first analog comparator
The low potential output end of 251 inverting input terminal and secondary coil connects, the inverting input terminal of this second analog comparator 252 with
The high-potential output end of secondary coil connects, the non-inverting input terminal of this second analog comparator 252 and the low potential of secondary coil
Output end connection；It is provided with push-pull amplifier circuit 28 between the rest-set flip-flop 26 and power cell 27, simulates comparing unit 25
Interior first analog comparator 251, the respective inverting input terminal of the second analog comparator 252 as corresponding ground reference end,
The ground reference end is as power cell 27, the ground terminal of push-pull amplifier circuit 28；27 both ends of power cell connect respectively
Connect high pressure
Power source charges terminal1With resonance circuit 3.
Above-mentioned energy module 6 of depositing is composed in parallel by low speed storage capacitor 61, middling speed storage capacitor 62, high speed storage capacitor 63.
A kind of embodiment 2: oscillation wave high-voltage generator for electrical test, comprising: the high-voltage electricity being sequentially connected in series
Source charging terminal 1, electronic switch 2, resonance circuit 3, operational amplifier 4 and voltage amplification unit 5, the high voltage power supply charging end
Sub 1, one is provided between the contact and ground connection of electronic switch 2 and deposits energy module 6, between the electronic switch 2, resonance circuit 3
It is provided with a commutation circuit 7 between contact and ground connection, is provided with a low pass filtered between the resonance circuit 3 and operational amplifier 4
Wave unit 8, the output end of this low-pass filter unit 8 are connected to the reverse side of operational amplifier 4, the operational amplifier 4 it is same
By resistance eutral grounding, the voltage amplification unit 5 one end opposite with operational amplifier 4 is connected with an impedance converter unit at phase end
9；
The voltage amplification unit 5 further comprises the first triode Q1, the second triode Q2 and diode D1, the one or three
Pole pipe Q1, the second respective base stage of triode Q2 are connect with operational amplifier 4, and the diode D1 is located at the first triode
Between Q1, the second respective collector of triode Q2；The impedance converter unit 9 further comprises third transistor Q3, the 4th
Triode Q4, this third transistor Q3, the 4th respective base stage of triode Q4 respectively with the first triode Q1, the second triode Q2
The connection of respective emitter, third transistor Q3, the 4th each self-electrode of triode Q4 contact as described for electrically trying
The output end for the oscillation wave high-voltage generator tested.
The electronic switch 2 further comprises: square-wave generator 21, push-pull circuit 22, differential circuit 23, transformer 24,
Comparing unit 25, rest-set flip-flop 26 and power cell 27 are simulated, is provided between the square-wave generator 21 and push-pull circuit 22
One NOT gate, the output end of the push-pull circuit 22 are connected to the input terminal of differential circuit 23, the transformer 24
Primary side has secondary coil, the secondary coil and simulation comparing unit 25, rest-set flip-flop 26 and power cell
27 are sequentially connected in series；
The output end of the differential circuit 23 is connected to the primary coil of transformer primary, and the secondary coil is successively
It is connected with the simulation comparing unit 25, rest-set flip-flop 26, the output end of this rest-set flip-flop 26 is connected to the power cell 27；
The simulation comparing unit 25 includes the first analog comparator 251, the second analog comparator 252 being connected in parallel,
The non-inverting input terminal of this first analog comparator 251 and the high-potential output end of secondary coil connect, this first analog comparator
The low potential output end of 251 inverting input terminal and secondary coil connects, the inverting input terminal of this second analog comparator 252 with
The high-potential output end of secondary coil connects, the non-inverting input terminal of this second analog comparator 252 and the low potential of secondary coil
Output end connection；It is provided with push-pull amplifier circuit 28 between the rest-set flip-flop 26 and power cell 27, simulates comparing unit 25
Interior first analog comparator 251, the respective inverting input terminal of the second analog comparator 252 as corresponding ground reference end,
The ground reference end is as power cell 27, the ground terminal of push-pull amplifier circuit 28；27 both ends of power cell connect respectively
Connect high pressure
Power source charges terminal1With resonance circuit 3.
Above-mentioned differential circuit 23 includes capacitor C1 and R1 resistance, this capacitor C1 connects with the primary coil of transformer 24, institute
State R1 resistance and parallel connection of primary windings.
Above-mentioned low-pass filter unit 8 is made of the 2nd resistance and the 1st capacitor.
The present invention is as follows for the electronic switch course of work in the oscillation wave high-voltage generator of electrical test: firstly, square wave
Generator 21 generates TTL square-wave signal and is transformed into the burst pulse letter for only carrying up forward position with edge after decline via differential circuit 23
Number；Then, it is coupled by transformer 24, the narrow pulse signal after the secondary coil formation processing of 24 primary side of transformer, processing
Afterwards narrow pulse signal using simulation comparing unit 25 formed burst pulse square-wave signal, the first analog comparator 251 it is same mutually defeated
The high-potential output end for entering end and secondary coil connects, the inverting input terminal of this first analog comparator 251 and secondary coil
The connection of low potential output end, switchs to the burst pulse square wave that is positive for burst pulse positive in narrow pulse signal after processing, this second simulation ratio
It is connected compared with the inverting input terminal of device 252 and the high-potential output end of secondary coil, the homophase input of this second analog comparator 252
End is connect with the low potential output end of secondary coil, and burst pulse negative in narrow pulse signal after processing is switched to the burst pulse square wave that is negative
Switch to the burst pulse square wave that is positive；
The burst pulse square-wave signal demodulates square-wave signal by the floating ground potential that rest-set flip-flop 26 is formed after demodulation, should
Floating ground potential demodulation square-wave signal is amplified to 0~20V to driving power unit 27, power supply electricity by push-pull amplifier circuit 28
The GND current potential in source is clamped on power MOSFET source current potential, greatly facilitates high-pressure series electronic switch application.
The present invention is used for the oscillation wave high-voltage generator of electrical test, as shown in the picture, wherein resonant capacitance uses mica
Capacitor, resonant inductance use air core solenoid, and electronic switch SW uses MOSFET and SBD (Schottky diode) assembling device,
Mica capacitor, polypropylene film capacitor and electrolytic capacitor, the change of current is respectively adopted in high speed energy storage, middling speed energy storage and low speed storage capacitor
Circuit uses high-tension winding resistance.The circuit extends to 5kV above.
Under low-voltage high-frequency (such as 100MHz) damped oscillation working condition, digital programmable skill is can be used in signal generator part
Art and DAC analog-digital chip are realized.Output voltage can be raised by voltage amplifier as shown in Figure 2 in this applications,
To meet the output levels of current and output impedance requirement of decaying generator.
When using the above-mentioned oscillation wave high-voltage generator for electrical test, which overcome the prior arts cannot be in generator
The defect of working time charging, has reused discharge time interval and has charged, and realizes electric discharge and charging alternately, and
Generator, almost without any requirement, almost can satisfy any repetition rate, permission is most to the charge rate of high voltage power supply
Big electric discharge repetition rate meets 5kV or more high pressure damped oscillation generator technology and wants up to 5MHz or more (interval is less than 200ns)
It asks, can also cover completely including the military and civilian all open trial requirements；Secondly, can reduce based on series resonant circuit and be
The design requirement united to high voltage charging power supply, and high-frequency noise can be filtered out using low-pass filter unit, commutation circuit guarantees
The repeatability of discharge pulse, i.e. continuous several times are discharged；Again, voltage amplification unit solves DAC high frequency small-signal liter
Pressure and generator impedance transformation problem；Secondly, being provided between the contact and ground connection of its high voltage power supply charging terminal, electronic switch
One deposits energy module, and deposits energy module and composed in parallel by low speed storage capacitor, middling speed storage capacitor, high speed storage capacitor, well
Solves the contradiction between quick accumulation of energy and cost.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (4)
1. a kind of oscillation wave high-voltage generator for electrical test, it is characterised in that: include: the high-voltage electricity being sequentially connected in series
Source charging terminal (1), electronic switch (2), resonance circuit (3), operational amplifier (4) and voltage amplification unit (5), the high pressure
Power source charges terminal (1), electronic switch (2) contact and ground connection between be provided with one deposit can module (6), the electronic switch
(2), it the contact between resonance circuit (3) and is provided with a commutation circuit (7) between ground connection, the resonance circuit (3) and operation
A low-pass filter unit (8) are provided between amplifier (4), the output end of this low-pass filter unit (8) is connected to operation amplifier
The in-phase end of the reverse side of device (4), the operational amplifier (4) passes through resistance eutral grounding, the voltage amplification unit (5) and operation
The opposite one end of amplifier (4) is connected with an impedance converter unit (9)；
The voltage amplification unit (5) further comprises the first triode (Q1), the second triode (Q2) and diode (D1),
One triode (Q1), the second triode (Q2) respective base stage are connect with operational amplifier (4), and the diode (D1) is located at
Between first triode (Q1), the second triode (Q2) respective collector；The impedance converter unit (9) further comprises
Three triodes (Q3), the 4th triode (Q4), this third transistor (Q3), the 4th triode (Q4) respective base stage are respectively with
The respective emitter connection of one triode (Q1), the second triode (Q2), third transistor (Q3), the 4th triode (Q4) are respective
Output end of the contact of emitter as the oscillation wave high-voltage generator for electrical test；
The electronic switch (2) further comprises: square-wave generator (21), push-pull circuit (22), differential circuit (23), transformer
(24), comparing unit (25), rest-set flip-flop (26) and power cell (27), the square-wave generator (21) and push-pull circuit are simulated
(22) NOT gate is provided between, the output end of the push-pull circuit (22) is connected to the input terminal of differential circuit (23), described
Transformer (24) primary side has secondary coil, the secondary coil and simulation comparing unit (25), rest-set flip-flop (26) and function
Rate unit (27) is sequentially connected in series；
The output end of the differential circuit (23) is connected to the primary coil of transformer primary, and the secondary coil successively connects
It is connected to the simulation comparing unit (25), rest-set flip-flop (26), the output end of this rest-set flip-flop (26) is connected to the power list
First (27)；
Simulation comparing unit (25) includes the first analog comparator (251), the second analog comparator being connected in parallel
(252), the non-inverting input terminal of this first analog comparator (251) and the high-potential output end of secondary coil connect, this first mould
The inverting input terminal of quasi- comparator (251) and the low potential output end of secondary coil connect, this second analog comparator (252)
Inverting input terminal and the high-potential output end of secondary coil connect, the non-inverting input terminal of this second analog comparator (252) and time
The low potential output end connection of grade coil；
It is provided with push-pull amplifier circuit (28), simulates comparing unit (25) between the rest-set flip-flop (26) and power cell (27)
Interior first analog comparator (251), the second analog comparator (252) respective inverting input terminal are as corresponding ground reference
End, the ground reference end is as power cell (27), the ground terminal of push-pull amplifier circuit (28)；The power cell (27) two
End is separately connected high voltage power supply charging terminal (1) and resonance circuit (3).
2. the oscillation wave high-voltage generator according to claim 1 for electrical test, it is characterised in that: described deposit can mould
Block (6) is composed in parallel by low speed storage capacitor (61), middling speed storage capacitor (62), high speed storage capacitor (63).
3. the oscillation wave high-voltage generator according to claim 1 for electrical test, it is characterised in that: the low pass filtered
Wave unit (8) is made of the 2nd resistance and the 1st capacitor.
4. the oscillation wave high-voltage generator according to claim 1 for electrical test, it is characterised in that: the differential electricity
Road (23) includes capacitor (C1) and R1 resistance, this capacitor (C1) is connected with the primary coil of transformer (24), the R1 resistance with
Parallel connection of primary windings.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810725047.2A CN109450412A (en) | 2016-05-03 | 2016-05-03 | High pressure damped oscillation generator |
| CN201810724527.7A CN108964468B (en) | 2016-05-03 | 2016-05-03 | High voltage generator for multiple voltage classes |
| CN201610283810.1A CN106018893B (en) | 2016-05-03 | 2016-05-03 | Oscillation wave high-voltage generator for electrical test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283810.1A CN106018893B (en) | 2016-05-03 | 2016-05-03 | Oscillation wave high-voltage generator for electrical test |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810725047.2A Division CN109450412A (en) | 2016-05-03 | 2016-05-03 | High pressure damped oscillation generator |
| CN201810724527.7A Division CN108964468B (en) | 2016-05-03 | 2016-05-03 | High voltage generator for multiple voltage classes |
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| CN201810724527.7A Active CN108964468B (en) | 2016-05-03 | 2016-05-03 | High voltage generator for multiple voltage classes |
| CN201610283810.1A Active CN106018893B (en) | 2016-05-03 | 2016-05-03 | Oscillation wave high-voltage generator for electrical test |
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| CN201810724527.7A Active CN108964468B (en) | 2016-05-03 | 2016-05-03 | High voltage generator for multiple voltage classes |
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- 2016-05-03 CN CN201810725047.2A patent/CN109450412A/en active Pending
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| JPH0296815A (en) * | 1988-10-03 | 1990-04-09 | Nissin Electric Co Ltd | Reactive power compensator |
| CN102346203A (en) * | 2010-07-30 | 2012-02-08 | 丁晓东 | FM (frequency modulation) series resonance and oscillating wave high-voltage generator |
| CN103543305A (en) * | 2013-10-12 | 2014-01-29 | 西安交通大学 | Low damping alternating-current high-voltage generator for detecting power equipment local discharge |
| CN204142786U (en) * | 2014-10-17 | 2015-02-04 | 南京信息工程大学 | A kind of thunder and lightning damped oscillation wave producer |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109450412A (en) | 2019-03-08 |
| CN106018893A (en) | 2016-10-12 |
| CN108964468B (en) | 2020-07-17 |
| CN108964468A (en) | 2018-12-07 |
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