CN104579272A - High-voltage heavy-current electronic switch - Google Patents
High-voltage heavy-current electronic switch Download PDFInfo
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- CN104579272A CN104579272A CN201310503844.3A CN201310503844A CN104579272A CN 104579272 A CN104579272 A CN 104579272A CN 201310503844 A CN201310503844 A CN 201310503844A CN 104579272 A CN104579272 A CN 104579272A
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Abstract
The invention relates to a high-voltage heavy-current electronic switch. The high-voltage heavy-current electronic switch comprises a high-voltage input circuit, a thyristor control circuit, a linear adjusting circuit, a high-voltage output circuit, a high-low voltage isolating circuit and a thyristor drive circuit, wherein the high-voltage input circuit, the thyristor control circuit and the high-voltage output circuit are sequentially connected; the thyristor control circuit is connected with the linear adjusting circuit and the high-low voltage isolating circuit respectively; the high-low voltage isolating circuit is connected with the thyristor drive circuit. Compared with the prior art, the high-voltage heavy-current electronic switch has the advantages of high stability and security, low implementation cost and the like.
Description
Technical field
The present invention relates to a kind of electronic switch, especially relate to a kind of high-voltage large-current electronic switch.
Background technology
As its name suggests, high-voltage large current is the pulse current that voltage compare is high, energy comparison is large, and now conventional switch is electromagnetic relay, or electromagnetism mercoid switch contactor, and the common disadvantage of these switches is mechanical switchs.Domesticly at present carry out the mode that high-voltage large current (general 10kV/5kA) sparks and mainly use above-mentioned mechanical switch, mechanical switch has a lot of shortcoming, such as control to the real ON time of switch unstable, the closing of contact there will be contact bounce shake instantaneously, and contact to lead to after big current warming-up effect useful life etc.
Summary of the invention
Object of the present invention is exactly provide that a kind of stability is high, fail safe is high, realize the low high-voltage large-current electronic switch of cost to overcome defect that above-mentioned prior art exists.
Object of the present invention can be achieved through the following technical solutions:
A kind of high-voltage large-current electronic switch, it is characterized in that, comprise high input voltage circuit, thyristor control circuit, linear regulation circuit, high-voltage output circuit, high/low-voltage isolation circuit and thyristor driving circuit, described high input voltage circuit, thyristor control circuit, high-voltage output circuit connect successively, described thyristor control circuit is connected with linear regulation circuit and high/low-voltage isolation circuit respectively, and described high/low-voltage isolation circuit is connected with thyristor driving circuit.
Described thyristor control circuit is in series by multiple thyristor groups, and each thyristor groups is formed in parallel by multiple thyristor.
Described linear regulation circuit is used for the turn on thyristors adjusting performance in high-low pressure voltage range, namely when input voltage is 0.2kV, linear regulation circuit controls the thyristor quantity of conducting, improve the reality of single thyristor by electric current, thus keep the on state characteristic in the full voltage range of whole switch to keep linear.
Described thyristor is unidirectional thyristor.
Described thyristor driving circuit comprise connect successively DC/AC unit, filter circuit, depositing can electric capacity and on-off model circuit, described on-off model circuit is connected with the gate pole of each unidirectional thyristor.
Described high/low-voltage isolation circuit is isolated high pressure during turn on thyristors and thyristor driving circuit.
Compared with prior art, the present invention has the following advantages:
1) all parameter requests of lightning surge generator can be realized;
2) more voltage stability can be embodied, uniformity in waveform;
3) can realize two-way admittance, this is the function that common metal-oxide-semiconductor cannot realize;
4) proof voltage can reach 12KV, and resistance to electric current can reach 8KA, and can adjust the linearity;
5) all pressures current-sharing of high pressure, as long as there is a thyristor to burn out, the balance of whole system will be destroyed, and cause switch to burn;
6) consistency of Control timing sequence, that is more than 200 thyristor will conducting at one time;
7) thyristor driver control section.High-low pressure is isolated, and realizes system mesolow and controls high pressure, again not by affected by high, improves the stability of a system; The Serial regulation of the conduction property in high-low pressure voltage range, ensures systematic function.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is thyristor control circuit schematic diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment
As shown in Figure 1, a kind of high-voltage large-current electronic switch, comprise high input voltage circuit 1, thyristor control circuit 2, linear regulation circuit 3, high-voltage output circuit 4, high/low-voltage isolation circuit 5 and thyristor driving circuit 6, described high input voltage circuit 1, thyristor control circuit 2, high-voltage output circuit 4 connect successively, described thyristor control circuit 2 is connected with linear regulation circuit 3 and high/low-voltage isolation circuit 5 respectively, and described high/low-voltage isolation circuit 5 is connected with thyristor driving circuit 6.
Described thyristor control circuit 5 is in series by multiple thyristor groups, and each thyristor groups is formed in parallel by multiple thyristor.
Described linear regulation circuit 3 is for the turn on thyristors adjusting performance in high-low pressure voltage range, namely when input voltage is 0.2kV, linear regulation circuit controls the thyristor quantity of conducting, improve the reality of single thyristor by electric current, thus keep the on state characteristic in the full voltage range of whole switch to keep linear.Described thyristor is unidirectional thyristor.
Described thyristor driving circuit comprise connect successively DC/AC unit, filter circuit, depositing can electric capacity and on-off model circuit, described on-off model circuit is connected with the gate pole of each unidirectional thyristor, control signal is mainly transformed to the pulse signal triggering thyristor by thyristor driving circuit by signal type in circuit, and can the arrival sequential of control signal accurately, to meet the requirement at phase angle.
Described high/low-voltage isolation circuit is isolated high pressure during turn on thyristors and thyristor driving circuit; The serious consequence being unlikely to cause high pressure to seal in low pressure control section and causing low pressure to be damaged; Another function guarantees that more than 200 IGBT group net synchronization capability is good exactly.
The present invention can control high-voltage large current without arc discharge ground conducting, smooth stable, the low noise of turn on process, and control voltage wide ranges, from 0.2kV to 12kV, in whole wide-voltage range, the on state characteristic linearity is good.
The present invention uses semi-conductor electricity minor switch to replace mechanical switch, realize the reliable and stable high speed conducting of high-voltage large current (12kV/8kA), can be used on the testing equipments such as lightning surge generator well, the lightning surge waveform of generation standard, meet all kinds of test request, and can the ON time point of control switch accurately, meet the requirement at the phase angle in experimental test.This technology, with the technical indicator of superelevation, realizes high voltage 12kV, and big current 8kA fills up domestic technological gap, substitutes similar imported product completely.
Claims (6)
1. a high-voltage large-current electronic switch, it is characterized in that, comprise high input voltage circuit, thyristor control circuit, linear regulation circuit, high-voltage output circuit, high/low-voltage isolation circuit and thyristor driving circuit, described high input voltage circuit, thyristor control circuit, high-voltage output circuit connect successively, described thyristor control circuit is connected with linear regulation circuit and high/low-voltage isolation circuit respectively, and described high/low-voltage isolation circuit is connected with thyristor driving circuit.
2. a kind of high-voltage large-current electronic switch according to claim 1, is characterized in that, described thyristor control circuit is in series by multiple thyristor groups, and each thyristor groups is formed in parallel by multiple thyristor.
3. a kind of high-voltage large-current electronic switch according to claim 2, it is characterized in that, described linear regulation circuit is used for the turn on thyristors adjusting performance in high-low pressure voltage range, namely when input voltage is 0.2kV, linear regulation circuit controls the thyristor quantity of conducting, improve the reality of single thyristor by electric current, thus keep the on state characteristic in the full voltage range of whole switch to keep linear.
4. a kind of high-voltage large-current electronic switch according to claim 2, is characterized in that, described thyristor is unidirectional thyristor.
5. a kind of high-voltage large-current electronic switch according to claim 4, it is characterized in that, described thyristor driving circuit comprise connect successively DC/AC unit, filter circuit, depositing can electric capacity and on-off model circuit, described on-off model circuit is connected with the gate pole of each unidirectional thyristor.
6. a kind of high-voltage large-current electronic switch according to claim 1, is characterized in that, described high/low-voltage isolation circuit is isolated high pressure during turn on thyristors and thyristor driving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310503844.3A CN104579272A (en) | 2013-10-23 | 2013-10-23 | High-voltage heavy-current electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310503844.3A CN104579272A (en) | 2013-10-23 | 2013-10-23 | High-voltage heavy-current electronic switch |
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| Publication Number | Publication Date |
|---|---|
| CN104579272A true CN104579272A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310503844.3A Pending CN104579272A (en) | 2013-10-23 | 2013-10-23 | High-voltage heavy-current electronic switch |
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| CN (1) | CN104579272A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505488A (en) * | 2017-10-13 | 2017-12-22 | 国网湖南省电力公司 | Lightning surge generator and its control method for arrester heavy-current discharge counter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0880228A1 (en) * | 1997-05-21 | 1998-11-25 | Commissariat A L'energie Atomique | Fast switch able to withstand high DC voltage and current, realized by assembly of elementary thyristors |
| CN201178375Y (en) * | 2008-04-16 | 2009-01-07 | 哈尔滨同为电气股份有限公司 | Coupling type high-voltage thyristor valve group triggering unit of current source |
| CN102035523A (en) * | 2011-01-12 | 2011-04-27 | 上海三基电子工业有限公司 | High-voltage heavy-current electronic switch |
| CN102938643A (en) * | 2011-08-15 | 2013-02-20 | 上海普锐马电子有限公司 | High-voltage large-current electronic switch |
| CN203574622U (en) * | 2013-10-23 | 2014-04-30 | 上海普锐马电子有限公司 | Intelligent combined type high-voltage large-current electronic switch |
-
2013
- 2013-10-23 CN CN201310503844.3A patent/CN104579272A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0880228A1 (en) * | 1997-05-21 | 1998-11-25 | Commissariat A L'energie Atomique | Fast switch able to withstand high DC voltage and current, realized by assembly of elementary thyristors |
| CN201178375Y (en) * | 2008-04-16 | 2009-01-07 | 哈尔滨同为电气股份有限公司 | Coupling type high-voltage thyristor valve group triggering unit of current source |
| CN102035523A (en) * | 2011-01-12 | 2011-04-27 | 上海三基电子工业有限公司 | High-voltage heavy-current electronic switch |
| CN102938643A (en) * | 2011-08-15 | 2013-02-20 | 上海普锐马电子有限公司 | High-voltage large-current electronic switch |
| CN203574622U (en) * | 2013-10-23 | 2014-04-30 | 上海普锐马电子有限公司 | Intelligent combined type high-voltage large-current electronic switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505488A (en) * | 2017-10-13 | 2017-12-22 | 国网湖南省电力公司 | Lightning surge generator and its control method for arrester heavy-current discharge counter |
| CN107505488B (en) * | 2017-10-13 | 2019-10-08 | 国网湖南省电力公司 | Lightning surge generator and its control method for arrester heavy-current discharge counter |
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Application publication date: 20150429 |