CN104716863A - Resonant charging type triggering device for rotary spark switch - Google Patents
Resonant charging type triggering device for rotary spark switch Download PDFInfo
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- CN104716863A CN104716863A CN201510073151.4A CN201510073151A CN104716863A CN 104716863 A CN104716863 A CN 104716863A CN 201510073151 A CN201510073151 A CN 201510073151A CN 104716863 A CN104716863 A CN 104716863A
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Abstract
The invention belongs to the technical field of high-frequency high-voltage power sources and relates to a resonant charging type triggering device for a rotary spark switch to solve the problems that in the prior art, a rotary switch cannot be easily conducted, the conduction dispersibility is large, and the reliable triggering and the high repetition frequency working of the rotary switch are seriously influenced. A rectification filter circuit is used for converting 220 V alternating current signals into direct current signals and storing energy; a full bridge circuit is used for converting the direct current signals into pulse signals; the pulse signals are shaped through a series resonant circuit and then boosted through a high-frequency high-voltage transformer to obtain high-voltage pulse signals; the high-voltage pulse signals are used for charging a load capacitor through a high-voltage rectification bridge, a spark gap is broken through when the voltage of the load capacitor reaches the self-breaking-through voltage of the spark gap, and the load capacitor discharges; an output feedback detection circuit is used for detecting the discharging state of the load capacitor; a signal control circuit is used for outputting a driving control signal to control the full bridge circuit to stop working according to the detecting result of the output feedback detection circuit.
Description
Technical field
The invention belongs to high-frequency and high-voltage power supply technical field, be specifically related to a kind of resonant charging formula and rotate spark switch trigger equipment.
Background technology
Rotary switch is a kind of high tension spark gap switch, for making its reliable conducting, high voltage need be adopted to trigger.The trigger equipment of current rotation spark switch adopts high-voltage pulse to trigger, and high-voltage pulse, after disruptive spark switch, exists a large amount of dump energy, and need additionally to increase absorbing circuit, add the weight and volume of system, electromagnetic interference is large.Because the gas rotating spark switch inside is flowing out at a high speed, the ionized gas concentration that pulsed high-voltage trigger equipment produces is very easy to flow out from rotation spark switch inside, cause and not easily make the conducting of rotation spark switch, conducting is dispersed large, and has a strong impact on the reliable triggering and Gao Zhongying work that rotate spark switch; Therefore, under a kind of electromagnetic interference need be invented, the high-pressure installation of little, the reliable trigger of weight and volume, rotation spark switch is reliably triggered.
Summary of the invention
The object of the invention is to propose a kind of resonant charging formula and rotate spark switch trigger equipment, what solve prior art existence not easily makes the conducting of rotation spark switch, conducting is dispersed large, and has a strong impact on the rotation reliable triggering of spark switch and the problem of Gao Zhongying work.
For achieving the above object, resonant charging formula rotation spark switch trigger equipment of the present invention comprises current rectifying and wave filtering circuit, full-bridge circuit, series resonant circuit, high frequency high voltage transformer, high-voltage rectifier bridge, output feedack testing circuit and signal control circuit;
220V AC signal is converted to direct current signal and energy storage by described current rectifying and wave filtering circuit; Described direct current signal is converted to pulse signal by described full-bridge circuit; Described pulse signal by after pulse signal shaping, obtains high-voltage pulse signal through described high frequency high voltage transformer boosting through described series resonant circuit; Described high-voltage pulse signal charges to load capacitance through described high-voltage rectifier bridge, and when load capacitance voltage reaches gap self-breakdown voltage, gap is breakdown, and load capacitance is discharged; Described output feedack testing circuit detects load capacitance discharge condition; Described signal control circuit exports drive control signal control full-bridge circuit according to described output feedack testing circuit testing result and quits work.
Beneficial effect of the present invention is: rotate spark switch trigger equipment relative to pulsed, a kind of resonant charging formula of the present invention rotates spark switch trigger equipment and is continued to be added in switch ends by high pressure, study from gas breakdown theoretical side, the time that identical voltage acts on gas switch two ends is longer, gas switch more easily punctures, and improves the stability and reliability that trigger and rotate spark switch.
Resonant charging formula rotates spark switch trigger equipment after puncturing rotation spark switch, there is not dump energy, does not need powerful absorbing circuit, reduce the volume and weight of system.
The reverse voltage that electrion produces by high-voltage rectifier bridge clamper, will reduce the impact that gas breakdown is discharged to high frequency high voltage transformer and full-bridge circuit, reduces the interference to control circuit and electrical network simultaneously.
Accompanying drawing explanation
Fig. 1 is the structured flowchart that resonant charging formula of the present invention rotates spark switch trigger equipment;
Fig. 2 is the circuit diagram that resonant charging formula of the present invention rotates spark switch trigger equipment embodiment.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the present invention are described further.
See accompanying drawing 1, resonant charging formula of the present invention rotates spark switch trigger equipment and comprises current rectifying and wave filtering circuit 1, full-bridge circuit 2, series resonant circuit 3, high frequency high voltage transformer 4, high-voltage rectifier bridge 5, output feedack testing circuit 6 and signal control circuit 7;
220V AC signal is converted to direct current signal and energy storage by described current rectifying and wave filtering circuit 1; Described direct current signal is converted to pulse signal by described full-bridge circuit 2; Described pulse signal by pulse signal shaping, realizes Sofe Switch through described series resonant circuit 3; Pulse signal after shaping boosts through described high frequency high voltage transformer 4 and obtains high-voltage pulse signal; Described high-voltage pulse signal is through described high-voltage rectifier bridge 5 to load capacitance charging, and when load capacitance voltage reaches gap self-breakdown voltage, gap is breakdown, and load capacitance is discharged; Described output feedack testing circuit 6 detects load capacitance discharge condition; Described signal control circuit 7 exports drive control signal control full-bridge circuit 2 according to described output feedack testing circuit 6 testing result and quits work.
Described full-bridge circuit 2 adopts intelligent power module to form, SG3525 is as the control chip of system, direct voltage obtains pulse signal through full-bridge circuit 2 and series resonant circuit 3 on the former limit of high frequency high voltage transformer 4, this pulse signal charges to load capacitance through the boosting of high frequency high voltage transformer 4 and transformer secondary output rectification, when load capacitance voltage reaches the self-breakdown voltage in spark switch gap, rotate spark switch breakdown.
See accompanying drawing 2, current rectifying and wave filtering circuit 1 is made up of filter, rectifier, filter capacitor, the IPM that full-bridge circuit 2 is PM150CL1A060 by model is formed, series resonant circuit 3 is become with resonance capacitance group by resonant inductance, FERRITE CORE selected by the magnetic core of high frequency high voltage transformer 4, high-voltage rectifier bridge 5 is made up of 4 100kV quick high-pressure silicon stacks, output feedack testing circuit 6 adopts the mode of voltage sample, hysteresis comparator and steady state trigger connected applications to detect electrion, and signal control circuit is made up of SG3525 and IPM drive circuit.
Resonant charging formula rotates the operation principle of spark switch trigger equipment: the direct voltage of rectifying and wave-filtering is converted to pulse signal by full-bridge circuit 2, pulse signal obtains high-voltage pulse signal through hf and hv pulse transformer boost again through series resonant circuit 3 shaping, high-voltage pulse signal charges to load capacitance through high-voltage rectifier bridge 5, when load capacitance is charged to the self-breakdown voltage rotating spark switch, spark switch gap is breakdown, load capacitance is discharged, when detecting that load capacitance is discharged, 10 pin of SG3525 set high level, wait for the next work period.
Claims (1)
1. resonant charging formula rotates spark switch trigger equipment, it is characterized in that, comprise current rectifying and wave filtering circuit (1), full-bridge circuit (2), series resonant circuit (3), high frequency high voltage transformer (4), high-voltage rectifier bridge (5), output feedack testing circuit (6) and signal control circuit (7);
220V AC signal is converted to direct current signal and energy storage by described current rectifying and wave filtering circuit (1); Described direct current signal is converted to pulse signal by described full-bridge circuit (2); Described pulse signal by after pulse signal shaping, obtains high-voltage pulse signal through described high frequency high voltage transformer (4) boosting through described series resonant circuit (3); Described high-voltage pulse signal is through described high-voltage rectifier bridge (5) to load capacitance charging, and when load capacitance voltage reaches gap self-breakdown voltage, gap is breakdown, and load capacitance is discharged; Described output feedack testing circuit (6) detects load capacitance discharge condition; Described signal control circuit (7) exports drive control signal control full-bridge circuit (2) according to described output feedack testing circuit testing result (6) and quits work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510073151.4A CN104716863A (en) | 2015-02-12 | 2015-02-12 | Resonant charging type triggering device for rotary spark switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510073151.4A CN104716863A (en) | 2015-02-12 | 2015-02-12 | Resonant charging type triggering device for rotary spark switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104716863A true CN104716863A (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510073151.4A Pending CN104716863A (en) | 2015-02-12 | 2015-02-12 | Resonant charging type triggering device for rotary spark switch |
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| CN (1) | CN104716863A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124117A (en) * | 2017-07-11 | 2017-09-01 | 哈尔滨理工大学 | A kind of low-frequency electric pulse electric discharge device for de-plugging of well |
| CN107732653A (en) * | 2017-10-23 | 2018-02-23 | 北京恒美天润科技有限公司 | The Pulse excitated power supply of high power laser |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441692A (en) * | 2013-07-30 | 2013-12-11 | 东软飞利浦医疗设备***有限责任公司 | Series resonance inverter and implementation method thereof |
| US20140268908A1 (en) * | 2013-03-15 | 2014-09-18 | Solarbridge Technologies, Inc. | Converter topologies |
-
2015
- 2015-02-12 CN CN201510073151.4A patent/CN104716863A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140268908A1 (en) * | 2013-03-15 | 2014-09-18 | Solarbridge Technologies, Inc. | Converter topologies |
| CN103441692A (en) * | 2013-07-30 | 2013-12-11 | 东软飞利浦医疗设备***有限责任公司 | Series resonance inverter and implementation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 张兴亮等: "旋转火花开关多脉冲触发***设计", 《高电压技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124117A (en) * | 2017-07-11 | 2017-09-01 | 哈尔滨理工大学 | A kind of low-frequency electric pulse electric discharge device for de-plugging of well |
| CN107732653A (en) * | 2017-10-23 | 2018-02-23 | 北京恒美天润科技有限公司 | The Pulse excitated power supply of high power laser |
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Application publication date: 20150617 |