CN101877580A - High voltage pulse generation device - Google Patents
High voltage pulse generation device Download PDFInfo
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- CN101877580A CN101877580A CN2009100313626A CN200910031362A CN101877580A CN 101877580 A CN101877580 A CN 101877580A CN 2009100313626 A CN2009100313626 A CN 2009100313626A CN 200910031362 A CN200910031362 A CN 200910031362A CN 101877580 A CN101877580 A CN 101877580A
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Abstract
The invention relates to a high voltage pulse generation device comprising a DC high voltage generation circuit, a reference voltage generation and comparison circuit, a high voltage pulse generation circuit and a control unit. The switch-on or the switch-off of the high voltage pulse generation circuit is controlled according to a comparison result of the comparison circuit; and when the high voltage pulse generation circuit is switched on, DC high voltage generated by the DC high voltage generation circuit is applied to the high voltage pulse generation circuit so as to generate high voltage pulses.
Description
Technical field
The present invention relates to a kind of high voltage pulse generation device that produces the high-voltage pulse of voltage setting.
Background technology
At present, the scope that high pressure pulse discharge is used is extremely extensive, has not only obtained new exploration and discovery aspect water treatment, and has also obtained increasing application in fields such as metallic conduit crack-detectings.Occurred much can producing the high-voltage pulse generator product of high-voltage pulse on the market, but the high-voltage pulse that such high-voltage pulse generator can produce all is to produce to be fixed under a certain voltage or adjustable fixedly high-voltage pulse mostly.
Chinese invention patent application CN 86 1 02439 A disclose a kind of circuit arrangement that is used to produce high-voltage pulse, it comprises a transformer, a level winding and at least two elementary windings of this transformer, an at least one diode and a switching circuit and this elementary windings in series; This series circuit is connected in a voltage source, one capacitor is connected in the common port of this power supply and this elementary winding, this switching circuit partly forms from the emitter-collector electrode of a switching transistor in addition, the output of one crystal amplifier is connected to the base stage of this switching transistor, the input of this crystal amplifier and the output of control circuit coupling.But the disclosed circuit arrangement of this patent application can not carry out voltage regulation and frequency modulation to the high-voltage pulse that it produced.
In addition, Chinese invention patent application CN 86 1 05757A also disclose a kind of pulsed high-voltage generator that changes high voltage pulse peak value and occurrence frequency.According to this patent application, its disclosed pulsed high-voltage generator comprises the step-up transformer of the boost in voltage that AC power is come, thyristor and the full-wave rectifier that are connected with this step-up transformer primary and secondary winding respectively with angle of flow control alternating voltage, capacitor, the discharge resistance that is connected with secondary winding by high-speed switching arrangement.The frequency that thyristor is determined according to the adjusting device of adjusting the high voltage pulse occurrence frequency, in the angle of flow during conducting, the capacitor discharge; When thyristor ended, high-speed switching arrangement was connected, capacitor discharge, thereby the high voltage pulse on the generation discharge resistance.It is relatively complicated that but the disclosed pulsed high-voltage generator of this patent application implements, and cost is also than higher, and also can only frequency modulation by the disclosed pulsed high-voltage generator of this patent application, and can not pressure regulation.
Summary of the invention
At above problem, the purpose of this invention is to provide a kind of simply relatively, cost is lower, can make separate modular and the high voltage pulse generation device of the change in voltage that is easy to realize.
Another object of the present invention provides a kind of fixedly high-voltage pulse that produces, and also can produce the high voltage pulse generation device of adjustable high-voltage pulse of voltage or voltage continually varying high-voltage pulse.
For achieving the above object, the present invention realizes in the following manner: a kind of high voltage pulse generation device, comprise that dc high voltage generation circuit, reference voltage generation and comparison circuit, high-voltage pulse produce circuit and control unit, described reference voltage results from comparison circuit reference voltage is set, when reference voltage changed, output voltage was correspondingly followed variation; Comparator compares high direct voltage sampling and reference voltage, when sampling voltage during greater than reference voltage, the conducting of comparator output control switch, thereby produces high-voltage pulse.
As a kind of preferred implementation of the present invention, described high voltage pulse generation device comprises storage capacitor, and the high direct voltage that described dc high voltage generation circuit produced is stored in the described storage capacitor.
As the another kind of preferred implementation of the present invention, described dc high voltage generation circuit comprises step-up transformer and rectifier diode, and described rectifier diode is connected with the secondary winding of described step-up transformer.
As the another kind of preferred implementation of the present invention, described dc high voltage generation circuit comprises first control switch, and described control unit sends conducting and the disconnection that control signal is controlled described first control switch.
As the another kind of preferred implementation of the present invention, described dc high voltage generation circuit comprises that the pulse signal that is used to produce different duty realizes that the PWM that the high-voltage pulse frequency is adjusted produces circuit.
As the another kind of preferred implementation of the present invention, described comparison circuit comprises D/A converter, comparator and sample circuit, and described comparator is by the output voltage V of more described D/A converter
RefThe voltage V that is fed back with described sample circuit
1The described high-voltage pulse of output control produces the control signal of circuit turn-on or disconnection.
As the another kind of preferred implementation of the present invention, described sample circuit comprises sampling resistor, and described sampling resistor and described dc high voltage generation circuit produce dividing potential drop and obtain sampling voltage.
As the another kind of preferred implementation of the present invention, described high-voltage pulse produces circuit and comprises second control switch, and described comparator is controlled described second control switch conducting or the disconnection according to comparative result output control signal.
As the another kind of preferred implementation of the present invention, described high-voltage pulse produces circuit and further comprises high voltage package, and when the described second control switch conducting, described storage capacitor forms the loop with described high voltage package, thereby by described high voltage package generation high-voltage pulse.
As the another kind of preferred implementation of the present invention, described reference voltage produces with comparison circuit and comprises that reference voltage is provided with the unit.
Useful technique effect of the present invention is: give described first control switch by described control unit output control signal, described step-up transformer is started working, by its secondary winding terminal output AC high pressure, be high direct voltage and be stored on the described storage capacitor through described rectifies then.Described control unit is set described D/A converter output voltage V simultaneously
RefTo the negative pole port of described comparator, with the sampling voltage V that feeds back from described sampling resistor
1Compare, if the voltage V that feeds back from described sampling resistor
1Output voltage V greater than described D/A converter
RefThereby then described comparator output high level is controlled the described second control switch conducting, and this moment, described storage capacitor and high voltage package formed the loop, thereby produced high-voltage pulse by described high voltage package.Because described control unit is exported to the voltage signal of described D/A converter and there is certain similar linear relationship in the voltage signal of the high-voltage pulse that final high voltage package is produced, therefore the voltage signal of exporting to described D/A converter by change can obtain the high-voltage pulse of free voltage amplitude, having realized that promptly the high-voltage pulse that is produced both can be the high-voltage pulse of fixing, also can be adjustable high-voltage pulse of voltage or continually varying high-voltage pulse; And whole implement process is also fairly simple, has reduced production cost, operates also more conveniently, and can easily realize separate modularization.
Description of drawings
Fig. 1 is the electrical block diagram according to specific embodiment of the invention high voltage pulse generation device.
Embodiment
As shown in Figure 1, the high voltage pulse generation device 1 according to the specific embodiment of the invention comprises that dc high voltage generation circuit 2, reference voltage produce the control unit 5 that produces circuit 4 and output control signal with comparison circuit 3, high-voltage pulse.
Continue reference as shown in Figure 1, described dc high voltage generation circuit 2 comprises first control switch 9, step-up transformer 7 and rectifier diode 8, the elementary winding of described step-up transformer 7 is connected with described first control switch 9, the secondary winding of described step-up transformer 7 is connected with described rectifier diode 8, and the output of described rectifier diode 8 is connected with a storage capacitor 6.Described dc high voltage generation circuit is used to produce the PWM generation circuit 18 of the pulse signal realization of different duty to the adjustment of high-voltage pulse frequency 2 other also comprising.During work, the described pulse signal that is used to produce different duty realizes that the PWM that the high-voltage pulse frequency is adjusted produces circuit 18 output pwm control signals and gives described first control switch 9, thereby make the out-primary conducting of described step-up transformer 7 form the loop, the secondary winding end of described step-up transformer 7 (being output) output AC high pressure, be high direct voltage through described rectifier diode 8 rectifications then, be stored on the storage capacitor 6 that is connected with described rectifier diode 8 outputs.
Continue reference as shown in Figure 1, described reference voltage produces with comparison circuit 3 and comprises that reference voltage is provided with unit 17, D/A converter 10, comparator 11 and sample circuit 12, described reference voltage is provided with unit 17 and is connected with the input of described D/A converter 10, the output of described D/A converter 10 is connected with the negative pole port of described comparator 11, the anodal port of described comparator 11 is connected with described sample circuit 12, described sample circuit 12 comprises two sampling resistors 13 of series connection mutually, 14, the sampling resistor 13 of described mutual series connection, 14 are connected in described rectifier diode 8 between described storage capacitor 6, the anodal port of described comparator 11 is connected between described two sampling resistors 13,14 of connecting mutually.Described control unit 5 is provided with the output voltage V that described D/A converter 10 is set in unit 17 by described reference voltage in described dc high voltage generation circuit 2 work of control
Ref, described comparator 11 is by the output voltage V of more described D/A converter 10
RefThe voltage V that is fed back with described sample circuit 12
1The described high-voltage pulse of output control produces circuit 4 conductings or disconnection, the voltage V that is fed back when described sample circuit 12
1Output voltage V greater than described D/A converter 10
RefThe time, described comparator 11 output high level signals, control switch 15 conductings, thus produce high-voltage pulse, otherwise the output low level signal, no high-voltage pulse produces.
Continue reference as shown in Figure 1, described high-voltage pulse produces circuit 4 and comprises second control switch 15 and high voltage package 16, the out-primary of described high voltage package 16 is connected in the two ends of described storage capacitor 6, and the secondary winding end of described high voltage package 16 is connected in sparking electrode.When described comparator 11 is exported high level signals, described control switch 15 closures, the out-primary conducting of described high voltage package 16 forms loop, the then corresponding generation high-voltage pulse signal of secondary winding end.
On the integral body, the production process of described high-voltage pulse is as follows: produce pulse excitation signal by controlling 9 pairs of step-up transformers of described first control switch, make described step-up transformer 7 constantly produce high-voltage pulse output, and give described storage capacitor 6 chargings by described rectifier diode 8; Then by described sampling resistor 13,14 with the linear dividing potential drop of the charging voltage of described storage capacitor 6, the magnitude of voltage V that draws by dividing potential drop
1Setting voltage V with described D/A converter
RefCompare, if reach setting voltage V
RefThen described comparator output high-level control signal is controlled the described second control switch conducting, thereby make described storage capacitor 6 spark,, thereby induce high-voltage pulse output at the secondary winding end of described high voltage package at the out-primary generation exciting current of described high voltage package 16.Change the setting voltage V of described D/A converter by control unit
Ref, promptly can change output discharge voltage value, therefore can produce fixing high-voltage pulse according to actual needs, or adjustable high-voltage pulse, or the continually varying high-voltage pulse, it is more easy to implement, and is easy to separate modularization.
Certainly, the above execution mode of lifting only is better embodiment of the present invention, the present invention can also have many other execution modes, for the person of ordinary skill of the art, that is done under instruction of the present invention changes at equivalence of the present invention, must be included in the scope that claim of the present invention advocates.
Claims (10)
1. high voltage pulse generation device, comprise that dc high voltage generation circuit (2), reference voltage produce and comparison circuit (3), high-voltage pulse generation circuit (4) and control unit (5), produce conducting or the disconnection of controlling described high-voltage pulse generation circuit (4) with the comparative result of comparison circuit (3) according to described reference voltage, when described high-voltage pulse produced circuit (4) conducting, the high direct voltage that described dc high voltage generation circuit (2) is produced put on described high-voltage pulse generation circuit (4) thereby produces high-voltage pulse.
2. high voltage pulse generation device according to claim 1 is characterized in that: comprise storage capacitor (6), the high direct voltage that described dc high voltage generation circuit (2) is produced is stored in the described storage capacitor (6).
3. high voltage pulse generation device according to claim 1 and 2, it is characterized in that: described dc high voltage generation circuit (2) comprises step-up transformer (7) and rectifier diode (8), and described rectifier diode (8) is connected with the secondary winding of described step-up transformer (7).
4. high voltage pulse generation device according to claim 3, it is characterized in that: described dc high voltage generation circuit (2) comprises first control switch (9), and described control unit (5) sends conducting and the disconnection that control signal is controlled described first control switch (9).
5. according to claim 1 or 3 described high voltage pulse generation devices, it is characterized in that: described dc high voltage generation circuit (2) comprises that the pulse signal that is used to produce different duty realizes that the PWM that the high-voltage pulse frequency is adjusted produces circuit (18).
6. high voltage pulse generation device according to claim 1 and 2, it is characterized in that: described reference voltage produces with comparison circuit (3) and comprises D/A converter (10), comparator (11) and sample circuit (12), and described comparator (11) is by the output voltage V of more described D/A converter (10)
RefThe voltage V that is fed back with described sample circuit (12)
1The described high-voltage pulse of output control produces the control signal of circuit (4) conducting or disconnection.
7. high voltage pulse generation device according to claim 6 is characterized in that: described sample circuit (12) comprises sampling resistor (13,14), and described sampling resistor (13,14) forms the loop with described dc high voltage generation circuit (2).
8. high voltage pulse generation device according to claim 6, it is characterized in that: described high-voltage pulse produces circuit (4) and comprises second control switch (15), and described comparator (11) is controlled described second control switch (15) conducting or disconnection according to comparative result output control signal.
9. high voltage pulse generation device according to claim 8, it is characterized in that: described high-voltage pulse produces circuit (4) and further comprises high voltage package (16), when described second control switch (15) conducting, described storage capacitor (6) forms the loop with described high voltage package (16), thereby produces high-voltage pulse by described high voltage package (16).
10. according to claim 1 or 6 described high voltage pulse generation devices, it is characterized in that: described reference voltage produces with comparison circuit (3) and comprises that reference voltage is provided with unit (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100313626A CN101877580A (en) | 2009-04-30 | 2009-04-30 | High voltage pulse generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100313626A CN101877580A (en) | 2009-04-30 | 2009-04-30 | High voltage pulse generation device |
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|---|---|
| CN101877580A true CN101877580A (en) | 2010-11-03 |
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|---|---|---|---|
| CN2009100313626A Pending CN101877580A (en) | 2009-04-30 | 2009-04-30 | High voltage pulse generation device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545002A (en) * | 2010-12-09 | 2012-07-04 | 苏州生物医学工程技术研究所 | Discharge circuit for long-pulse laser |
| CN102695356A (en) * | 2012-03-30 | 2012-09-26 | 马鞍山市同力液压设备制造有限公司 | Plasma ignition gun ignited by both pulse and radio frequency |
| CN102695355A (en) * | 2012-03-30 | 2012-09-26 | 马鞍山市同力液压设备制造有限公司 | Remote-controlled dual ignition plasma igniting gun |
| CN102832843A (en) * | 2012-09-03 | 2012-12-19 | 许继集团有限公司 | Bipolar high-voltage pulse generation device and corresponding processing system |
| CN108471302A (en) * | 2014-07-11 | 2018-08-31 | 鹰港科技有限公司 | Millimicrosecond pulse generator |
| CN109417383A (en) * | 2016-05-04 | 2019-03-01 | 驱动封闭合资股份公司 | Generate the device of high pulse voltage |
| CN113285627A (en) * | 2021-04-12 | 2021-08-20 | 中科石金(安徽)中子技术有限公司 | Pulse power supply system and neutron generator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102439A (en) * | 1985-04-11 | 1986-11-12 | 阿达姆·克沃克斯 | Be used to produce the circuit arrangement of high-voltage pulse |
| CN86105757A (en) * | 1986-01-30 | 1987-09-16 | 三菱重工业株式会社 | Pulsed high-voltage generator |
| US5101116A (en) * | 1989-04-25 | 1992-03-31 | Citizen Watch Co., Ltd. | Multi-level voltage generator to drive lcd |
| CN1768714A (en) * | 2004-11-01 | 2006-05-10 | 蒋中为 | Strong pulsation light generator for medical beautifying |
| CN101182066A (en) * | 2007-11-07 | 2008-05-21 | 哈尔滨工业大学 | Photo-biological reactor for treatment of high-chroma waste water |
| CN201181904Y (en) * | 2008-04-01 | 2009-01-14 | 哈尔滨理工大学 | Combined primary oil electric dehydration high voltage power supply and its control device |
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2009
- 2009-04-30 CN CN2009100313626A patent/CN101877580A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86102439A (en) * | 1985-04-11 | 1986-11-12 | 阿达姆·克沃克斯 | Be used to produce the circuit arrangement of high-voltage pulse |
| CN86105757A (en) * | 1986-01-30 | 1987-09-16 | 三菱重工业株式会社 | Pulsed high-voltage generator |
| US5101116A (en) * | 1989-04-25 | 1992-03-31 | Citizen Watch Co., Ltd. | Multi-level voltage generator to drive lcd |
| CN1768714A (en) * | 2004-11-01 | 2006-05-10 | 蒋中为 | Strong pulsation light generator for medical beautifying |
| CN101182066A (en) * | 2007-11-07 | 2008-05-21 | 哈尔滨工业大学 | Photo-biological reactor for treatment of high-chroma waste water |
| CN201181904Y (en) * | 2008-04-01 | 2009-01-14 | 哈尔滨理工大学 | Combined primary oil electric dehydration high voltage power supply and its control device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102545002A (en) * | 2010-12-09 | 2012-07-04 | 苏州生物医学工程技术研究所 | Discharge circuit for long-pulse laser |
| CN102545002B (en) * | 2010-12-09 | 2014-01-01 | 苏州生物医学工程技术研究所 | Discharge circuit for long-pulse laser |
| CN102695356A (en) * | 2012-03-30 | 2012-09-26 | 马鞍山市同力液压设备制造有限公司 | Plasma ignition gun ignited by both pulse and radio frequency |
| CN102695355A (en) * | 2012-03-30 | 2012-09-26 | 马鞍山市同力液压设备制造有限公司 | Remote-controlled dual ignition plasma igniting gun |
| CN102832843A (en) * | 2012-09-03 | 2012-12-19 | 许继集团有限公司 | Bipolar high-voltage pulse generation device and corresponding processing system |
| CN108471302A (en) * | 2014-07-11 | 2018-08-31 | 鹰港科技有限公司 | Millimicrosecond pulse generator |
| CN108471302B (en) * | 2014-07-11 | 2023-07-07 | 鹰港科技有限公司 | Nanosecond pulse generator |
| CN109417383A (en) * | 2016-05-04 | 2019-03-01 | 驱动封闭合资股份公司 | Generate the device of high pulse voltage |
| CN109417383B (en) * | 2016-05-04 | 2022-04-01 | 驱动封闭合资股份公司 | Device for generating high pulse voltage |
| CN113285627A (en) * | 2021-04-12 | 2021-08-20 | 中科石金(安徽)中子技术有限公司 | Pulse power supply system and neutron generator |
| CN113285627B (en) * | 2021-04-12 | 2022-03-15 | 中科石金(安徽)中子技术有限公司 | Pulse power supply system and neutron generator |
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Application publication date: 20101103 |