CN105790716A - High frequency attenuation oscillation wave voltage generator - Google Patents
High frequency attenuation oscillation wave voltage generator Download PDFInfo
- Publication number
- CN105790716A CN105790716A CN201610283917.6A CN201610283917A CN105790716A CN 105790716 A CN105790716 A CN 105790716A CN 201610283917 A CN201610283917 A CN 201610283917A CN 105790716 A CN105790716 A CN 105790716A
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- audion
- operational amplifier
- generator
- high frequency
- frequency attenuation
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- 230000010355 oscillation Effects 0.000 title abstract description 8
- 230000003321 amplification Effects 0.000 claims abstract description 17
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims description 22
- 230000009466 transformation Effects 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000004146 energy storage Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000009825 accumulation Methods 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B28/00—Generation of oscillations by methods not covered by groups H03B5/00 - H03B27/00, including modification of the waveform to produce sinusoidal oscillations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/003—Circuit elements of oscillators
- H03B2200/0032—Circuit elements of oscillators including a device with a Schottky junction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/003—Circuit elements of oscillators
- H03B2200/0056—Circuit elements of oscillators including a diode used for switching
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B2200/00—Indexing scheme relating to details of oscillators covered by H03B
- H03B2200/006—Functional aspects of oscillators
- H03B2200/0088—Reduction of noise
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Theoretical Computer Science (AREA)
- Amplifiers (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Abstract
The invention discloses a high frequency attenuation oscillation wave voltage generator. The generator comprises a high voltage power supply charging terminal, an electronic switch, a resonance circuit, an operational amplifier and a voltage amplification unit which are successively connected in series. An energy storage module is arranged between a contact point and ground connection of the high voltage power supply charging terminal and the electronic switch. A commutation loop is arranged between a contact point and ground connection of the electronic switch and the resonance circuit. A low pass filtering unit is arranged between the resonance circuit and the operational amplifier. An output terminal of the low pass filtering unit is connected to an anti-phase terminal of the operational amplifier. An in-phase terminal of the operational amplifier is grounded through a resistor. One end of the voltage amplification unit, which is reverse to the operational amplifier, is connected to an impedance conversion unit. In the prior art, charging can not be performed during work time of the generator. By using the generator of the invention, the above defect is overcome; a discharging time interval is used repeatedly so as to carry out charging so that discharging and charging are performed alternatively; and the generator has no requirement to a charging rate of a high voltage power supply so that a technology requirement of a more than 5kV high voltage attenuation oscillation generator is satisfied.
Description
Technical field
The invention belongs to power electronic devices applied technical field, particularly relate to a kind of high frequency attenuation oscillating wave voltage generator.
Background technology
Existing high frequency attenuation oscillating wave voltage generator includes signal source and high-voltage amplifier two parts.Its existing signal generator many employings C-RL antiresonant circuit.The charging interval of this circuit requirement high voltage power supply is much smaller than interval discharge time.For occasion of discharging for high frequency time, this circuit operation principle is infeasible.Reason is the charge rate of high voltage power supply is conflict with control voltage accuracy, and charge power is too big.Secondly, existing voltage generator mesohigh amplifier, DAC output voltage relatively low (such as 5V).But, field of electromagnetic compatibility user, damped oscillation wave producer not only had resonant frequency requirement, and also have output voltage and levels of current requirement.Consider what user load impedance determined that, 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 high frequency attenuation oscillating wave voltage generator, this high frequency attenuation oscillating wave voltage generator overcomes prior art can not in the defect of generator working time charging, reuse discharge time interval to be charged, achieve electric discharge to hocket with charging, and generator to the charge rate of high voltage power supply almost without any requirement, meet more than 5kV high pressure damped oscillation generator technology requirement.
For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of high frequency attenuation oscillating wave voltage generator, including: the high voltage power supply charging terminal being sequentially connected in series, electrical switch, resonance circuit, operational amplifier and voltage amplification unit, described high voltage power supply charging terminal, it is provided with one between contact and the ground connection of electrical switch and deposits energy module, described electrical switch, it is provided with a commutation circuit between contact and ground connection between resonance circuit, a low-pass filter unit it is provided with between described resonance circuit and operational amplifier, the outfan of this low-pass filter unit is connected to the end of oppisite phase of operational amplifier, the in-phase end of described operational amplifier passes through resistance eutral grounding, the opposing one end of described voltage amplification unit and operational amplifier is connected to an impedance transformation unit；
Described voltage amplification unit farther includes the first audion, the second audion and diode, first audion, the second respective base stage of audion are all connected with operational amplifier, and described diode is between the first audion, the second respective colelctor electrode of audion；Described impedance transformation unit farther includes the 3rd audion, the 4th audion, this the 3rd audion, the 4th respective base stage of audion are connected with the first audion, the second respective emitter stage of audion respectively, the 3rd audion, the 4th each self-electrode of audion contact as the outfan of described high frequency attenuation oscillating wave voltage generator.
In technique scheme, further improvement project is as follows:
1. in such scheme, described in deposit can module composed in parallel by low speed storage capacitor, middling speed storage capacitor, high speed storage capacitor.
2., in such scheme, described low-pass filter unit is made up of the 2nd resistance and the 1st electric capacity.
Owing to technique scheme is used, the present invention compared with prior art has the advantage that
1. high frequency attenuation oscillating wave voltage generator of the present invention, which overcoming prior art can not in the defect of generator working time charging, reuse discharge time interval to be charged, achieve electric discharge to hocket with charging, and generator to the charge rate of high voltage power supply almost without any requirement, almost can meet any repetition rate, the maximum electric discharge repetition rate allowed is up to more than 5MHz (interval is less than 200ns), meet more than 5kV high pressure damped oscillation generator technology requirement, also can cover completely and include the military and civilian all open trial requirements；Secondly, can reducing the designing requirement of system against high voltage charge power supply based on series resonant circuit, and adopt low-pass filter unit to be filtered by high-frequency noise, commutation circuit ensure that the repeatability of discharge pulse, i.e. continuous several times electric discharge.
2. high frequency attenuation oscillating wave voltage generator of the present invention, its voltage amplification unit solves the boosting of DAC high frequency small-signal and generator impedance transformation problem；Secondly, its high voltage power supply charging terminal, electrical switch contact and ground connection between be provided with one deposit can module, and deposit and can module be composed in parallel by low speed storage capacitor, middling speed storage capacitor, high speed storage capacitor, solve the contradiction between quick accumulation of energy and cost well.
Accompanying drawing explanation
Accompanying drawing 1 is high frequency attenuation oscillating wave voltage generator partial structurtes schematic diagram one of the present invention；
Accompanying drawing 2 is high frequency attenuation oscillating wave voltage generator partial structurtes schematic diagram two of the present invention.
In the figures above: 1, high voltage power supply charging terminal；2, electrical switch；3, resonance circuit；4, operational amplifier；5, voltage amplification unit；6, depositing can module；61, low speed storage capacitor；62, middling speed storage capacitor；63, high speed storage capacitor；7, commutation circuit；8, low-pass filter unit；9, impedance transformation unit.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment 1: a kind of high frequency attenuation oscillating wave voltage generator, as shown in drawings, including: the high voltage power supply charging terminal 1 being sequentially connected in series, electrical switch 2, resonance circuit 3, operational amplifier 4 and voltage amplification unit 5, described high voltage power supply charging terminal 1, it is provided with one between contact and the ground connection of electrical switch 2 and deposits energy module 6, described electrical switch 2, a commutation circuit 7 it is provided with between contact and ground connection between resonance circuit 3, a low-pass filter unit 8 it is provided with between described resonance circuit 3 and operational amplifier 4, the outfan of this low-pass filter unit 8 is connected to the end of oppisite phase of operational amplifier 4, the in-phase end of described operational amplifier 4 passes through resistance eutral grounding, described voltage amplification unit 5 one end opposing with operational amplifier 4 is connected to an impedance transformation unit 9；
Described voltage amplification unit 5 farther includes the first audion Q1, the second audion Q2 and diode D1, first audion Q1, the second respective base stage of audion Q2 are all connected with operational amplifier 4, and described diode D1 is between the first audion Q1, the second respective colelctor electrode of audion Q2；Described impedance transformation unit 9 farther includes the 3rd audion Q3, the 4th audion Q4, this the 3rd audion Q3, the 4th respective base stage of audion Q4 are connected with the first audion Q1, the second respective emitter stage of audion Q2 respectively, the 3rd audion Q3, the 4th each self-electrode of audion Q4 contact as the outfan of described high frequency attenuation oscillating wave voltage generator.
Above-mentioned depositing can module 6 be composed in parallel by low speed storage capacitor 61, middling speed storage capacitor 62, high speed storage capacitor 63.
Embodiment 2: a kind of high frequency attenuation oscillating wave voltage generator, including: the high voltage power supply charging terminal 1 being sequentially connected in series, electrical switch 2, resonance circuit 3, operational amplifier 4 and voltage amplification unit 5, described high voltage power supply charging terminal 1, it is provided with one between contact and the ground connection of electrical switch 2 and deposits energy module 6, described electrical switch 2, a commutation circuit 7 it is provided with between contact and ground connection between resonance circuit 3, a low-pass filter unit 8 it is provided with between described resonance circuit 3 and operational amplifier 4, the outfan of this low-pass filter unit 8 is connected to the end of oppisite phase of operational amplifier 4, the in-phase end of described operational amplifier 4 passes through resistance eutral grounding, described voltage amplification unit 5 one end opposing with operational amplifier 4 is connected to an impedance transformation unit 9；
Described voltage amplification unit 5 farther includes the first audion Q1, the second audion Q2 and diode D1, first audion Q1, the second respective base stage of audion Q2 are all connected with operational amplifier 4, and described diode D1 is between the first audion Q1, the second respective colelctor electrode of audion Q2；Described impedance transformation unit 9 farther includes the 3rd audion Q3, the 4th audion Q4, this the 3rd audion Q3, the 4th respective base stage of audion Q4 are connected with the first audion Q1, the second respective emitter stage of audion Q2 respectively, the 3rd audion Q3, the 4th each self-electrode of audion Q4 contact as the outfan of described high frequency attenuation oscillating wave voltage generator.
Above-mentioned low-pass filter unit 8 is made up of the 2nd resistance and the 1st electric capacity.
Signal generator circuit principle is as shown in Figure 1.Wherein, resonant capacitance adopts mica capacitor, resonant inductance adopts air core solenoid, electrical switch SW adopts MOSFET and SBD(Schottky diode) assembling device, high speed energy storage, middling speed energy storage and low speed storage capacitor are respectively adopted mica capacitor, polypropylene film electric capacity and electrochemical capacitor, and commutation circuit adopts high-tension winding resistance.This circuit extends to 5kV above.
Under low-voltage high-frequency (such as 100MHz) damped oscillation working condition, signal generator part can adopt digital programmable technology and DAC analog-digital chip to realize.Output voltage can be raised in this applications, thus meeting output levels of current and the output resistance requirements of decay generator by voltage amplifier as shown in Figure 2.
When adopting above-mentioned high frequency attenuation oscillating wave voltage generator, which overcoming prior art can not in the defect of generator working time charging, reuse discharge time interval to be charged, achieve electric discharge to hocket with charging, and generator to the charge rate of high voltage power supply almost without any requirement, almost can meet any repetition rate, the maximum electric discharge repetition rate allowed is up to more than 5MHz (interval is less than 200ns), meet more than 5kV high pressure damped oscillation generator technology requirement, also can cover completely and include the military and civilian all open trial requirements；Secondly, can reducing the designing requirement of system against high voltage charge power supply based on series resonant circuit, and adopt low-pass filter unit to be filtered by high-frequency noise, commutation circuit ensure that the repeatability of discharge pulse, i.e. continuous several times electric discharge；Again, its voltage amplification unit solves the boosting of DAC high frequency small-signal and generator impedance transformation problem；Secondly, its high voltage power supply charging terminal, electrical switch contact and ground connection between be provided with one deposit can module, and deposit and can module be composed in parallel by low speed storage capacitor, middling speed storage capacitor, high speed storage capacitor, solve the contradiction between quick accumulation of energy and cost well.
Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalences made according to spirit of the invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
- null1. a high frequency attenuation oscillating wave voltage generator，It is characterized in that: including: the high voltage power supply charging terminal (1) being sequentially connected in series、Electrical switch (2)、Resonance circuit (3)、Operational amplifier (4) and voltage amplification unit (5)，Described high voltage power supply charging terminal (1)、It is provided with one between contact and the ground connection of electrical switch (2) and deposits energy module (6)，Described electrical switch (2)、A commutation circuit (7) it is provided with between contact and ground connection between resonance circuit (3)，A low-pass filter unit (8) it is provided with between described resonance circuit (3) and operational amplifier (4)，The outfan of this low-pass filter unit (8) is connected to the end of oppisite phase of operational amplifier (4)，The in-phase end of described operational amplifier (4) passes through resistance eutral grounding，The opposing one end of described voltage amplification unit (5) and operational amplifier (4) is connected to an impedance transformation unit (9)；Described voltage amplification unit (5) farther includes the first audion (Q1), the second audion (Q2) and diode (D1), first audion (Q1), the second audion (Q2) respective base stage are all connected with operational amplifier (4), and described diode (D1) is positioned between the first audion (Q1), the second audion (Q2) respective colelctor electrode；Described impedance transformation unit (9) farther includes the 3rd audion (Q3), the 4th audion (Q4), this the 3rd audion (Q3), the 4th audion (Q4) respective base stage are connected with the first audion (Q1), the second audion (Q2) respective emitter stage respectively, the 3rd audion (Q3), the 4th audion (Q4) each self-electrode contact as the outfan of described high frequency attenuation oscillating wave voltage generator.
- 2. high frequency attenuation oscillating wave voltage generator according to claim 1, it is characterised in that: described in deposit can module (6) composed in parallel by low speed storage capacitor (61), middling speed storage capacitor (62), high speed storage capacitor (63).
- 3. high frequency attenuation oscillating wave voltage generator according to claim 1, it is characterised in that: described low-pass filter unit (8) is made up of the 2nd resistance and the 1st electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283917.6A CN105790716B (en) | 2016-05-03 | 2016-05-03 | High frequency attenuation oscillating wave voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610283917.6A CN105790716B (en) | 2016-05-03 | 2016-05-03 | High frequency attenuation oscillating wave voltage generator |
Publications (2)
| Publication Number | Publication Date |
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| CN105790716A true CN105790716A (en) | 2016-07-20 |
| CN105790716B CN105790716B (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610283917.6A Active CN105790716B (en) | 2016-05-03 | 2016-05-03 | High frequency attenuation oscillating wave voltage generator |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5651111A (en) * | 1979-10-04 | 1981-05-08 | Tohoku Metal Ind Ltd | Device for supply of spurious noise on power source current |
| JPH0296815A (en) * | 1988-10-03 | 1990-04-09 | Nissin Electric Co Ltd | Reactive power compensator |
| CN1154851C (en) * | 1999-09-10 | 2004-06-23 | Tdk株式会社 | Magnetic sensor and current sensor |
| CN101349734A (en) * | 2008-09-02 | 2009-01-21 | 薛建仁 | Apparatus for generating oscillating wave for electrical apparatus test |
| CN102645622A (en) * | 2011-02-16 | 2012-08-22 | 丁一舟 | Oscillatory wave high voltage generation method for electrical test |
| CN203385826U (en) * | 2013-06-17 | 2014-01-08 | 国网辽宁省电力有限公司大连供电公司 | On-site oscillatory wave lightning impulse generating device |
| CN104330598A (en) * | 2014-10-17 | 2015-02-04 | 南京信息工程大学 | Lightning damped oscillation wave generator |
-
2016
- 2016-05-03 CN CN201610283917.6A patent/CN105790716B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5651111A (en) * | 1979-10-04 | 1981-05-08 | Tohoku Metal Ind Ltd | Device for supply of spurious noise on power source current |
| JPH0296815A (en) * | 1988-10-03 | 1990-04-09 | Nissin Electric Co Ltd | Reactive power compensator |
| CN1154851C (en) * | 1999-09-10 | 2004-06-23 | Tdk株式会社 | Magnetic sensor and current sensor |
| CN101349734A (en) * | 2008-09-02 | 2009-01-21 | 薛建仁 | Apparatus for generating oscillating wave for electrical apparatus test |
| CN102645622A (en) * | 2011-02-16 | 2012-08-22 | 丁一舟 | Oscillatory wave high voltage generation method for electrical test |
| CN203385826U (en) * | 2013-06-17 | 2014-01-08 | 国网辽宁省电力有限公司大连供电公司 | On-site oscillatory wave lightning impulse generating device |
| CN104330598A (en) * | 2014-10-17 | 2015-02-04 | 南京信息工程大学 | Lightning damped oscillation wave generator |
Non-Patent Citations (3)
| Title |
|---|
| 刘克富: "固态Marx发生器研究进展", 《高电压技术》 * |
| 胡叶: "一种高压发生器串联谐振变换器设计与实现", 《电力电子技术》 * |
| 骆立峰: "雷电间接效应试验与标准解析", 《电子科学技术》 * |
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| CN105790716B (en) | 2018-12-21 |
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