CN203574622U - Intelligent combined type high-voltage large-current electronic switch - Google Patents
Intelligent combined type high-voltage large-current electronic switch Download PDFInfo
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- CN203574622U CN203574622U CN201320656192.2U CN201320656192U CN203574622U CN 203574622 U CN203574622 U CN 203574622U CN 201320656192 U CN201320656192 U CN 201320656192U CN 203574622 U CN203574622 U CN 203574622U
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- 238000002955 isolation Methods 0.000 claims description 12
- 238000000151 deposition Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
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Abstract
The utility model relates to an intelligent combined type high-voltage large-current electronic switch. The electronic switch comprises a high-voltage input circuit, a thyristor control circuit, a linear adjusting circuit, a high-voltage output circuit, a high- and low-voltage isolating circuit and a thyristor drive circuit. The high-voltage input circuit, the thyristor control circuit and the high-voltage output circuit are successively connected, the thyristor control circuit is connected with the linear adjusting circuit and the high- and low-voltage isolating circuit, and the high- and low-voltage isolating circuit is connected with the thyristor drive circuit. Compared with the prior art, the electronic switch has the advantages of high stability, high safety, low implementation cost and the like.
Description
Technical field
The utility model relates to a kind of electronic switch, especially relates to a kind of smart group mould assembly high-voltage large current electronic switch.
Background technology
As its name suggests, high-voltage large current is the pulse current that voltage ratio is higher, 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.At present domesticly 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 shortcomings, such as controlling to, the real ON time of switch is unstable, closing of contact moment there will be contact bounce shake, warming-up effect useful life etc. after the logical large electric current in contact.
Utility model content
The purpose of this utility model be exactly in order to overcome the defect that above-mentioned prior art exists, provide a kind of stability high, safe, realize the smart group mould assembly high-voltage large current electronic switch that cost is low.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of smart group mould assembly 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 high/low-voltage isolation circuit with linear regulation circuit respectively, and described high/low-voltage isolation circuit is connected with thyristor driving circuit.
Described thyristor control circuit is in series by a plurality of thyristor groups, and each thyristor groups is formed in parallel by a plurality of thyristors.
Described linear regulation circuit is adjusted for the thyristor conduction property in high-low pressure voltage range, when input voltage is 0.2kV, linear regulation circuit is controlled the thyristor quantity of conducting, the reality that improves single thyristor is by electric current, thereby keeps the on state characteristic in the full voltage range of whole switch to keep linear.
Described thyristor is unidirectional thyristor.
Described thyristor driving circuit comprises successively the DC/AC unit, the filter circuit that connect, depositing can electric capacity and switching value signal circuit, and described switching value signal circuit is connected with the gate pole of each unidirectional thyristor.
High pressure and the thyristor driving circuit of described high/low-voltage isolation circuit during to thyristor conducting isolated.
Compared with prior art, the utlity model has following advantage:
1) can realize all parameter requests of lightning surge generator;
2) more can embody voltage stability, uniformity in waveform;
3) can realize two-way admittance, this is the function that common metal-oxide-semiconductor cannot be realized;
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) control the consistency of sequential, that is to say more than 200 thyristor conducting at one time;
7) thyristor driver control section.High-low pressure isolation, realizes system mesolow and controls high pressure, again not by affected by high, improves the stability of a system; The linearity adjustment of the conduction property in high-low pressure voltage range, guarantees systematic function.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the utility model thyristor control circuit schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of smart group mould assembly 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 high/low-voltage isolation circuit 5 with linear regulation circuit 3 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 a plurality of thyristor groups, and each thyristor groups is formed in parallel by a plurality of thyristors.
Described linear regulation circuit 3 is adjusted for the thyristor conduction property in high-low pressure voltage range, when input voltage is 0.2kV, linear regulation circuit is controlled the thyristor quantity of conducting, the reality that improves single thyristor is by electric current, thereby keeps the on state characteristic in the full voltage range of whole switch to keep linear.Described thyristor is unidirectional thyristor.
Described thyristor driving circuit comprises successively the DC/AC unit, the filter circuit that connect, depositing can electric capacity and switching value signal circuit, described switching value signal circuit is connected with the gate pole of each unidirectional thyristor, thyristor driving circuit is mainly control signal to be transformed to the pulse signal that triggers thyristor by signal type in circuit, and the arrival sequential of control signal accurately, to meet the requirement at phase angle.
High pressure and the thyristor driving circuit of described high/low-voltage isolation circuit during to thyristor conducting isolated; Be unlikely to cause that high pressure seals in the serious consequence that low voltage control partly causes low pressure to be damaged; Another function guarantees that more than 200 thyristor triggering synchronous performance is good exactly.
The utility model can control high-voltage large current without the conducting of arc discharge ground, smooth stable, the low noise of turn on process, and it is wide to control voltage range, from 0.2kV to 12kV, in whole wide-voltage range, the on state characteristic linearity is good.
The utility model is used 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 use well on the testing equipments such as lightning surge generator, the lightning surge waveform of generation standard, meet all kinds of test requests, and the ON time of control switch point, meets the requirement at the phase angle in experimental test accurately.This technology, with the technical indicator of superelevation, realizes high voltage 12kV, and large electric current 8kA fills up domestic technological gap, substitutes similar imported product completely.
Claims (4)
1. a smart group mould assembly 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 high/low-voltage isolation circuit with linear regulation circuit respectively, and described high/low-voltage isolation circuit is connected with thyristor driving circuit.
2. a kind of smart group mould assembly high-voltage large current electronic switch according to claim 1, is characterized in that, described thyristor control circuit is in series by a plurality of thyristor groups, and each thyristor groups is formed in parallel by a plurality of thyristors.
3. a kind of smart group mould assembly high-voltage large current electronic switch according to claim 2, is characterized in that, described thyristor is unidirectional thyristor.
4. a kind of smart group mould assembly high-voltage large current electronic switch according to claim 3, it is characterized in that, described thyristor driving circuit comprises successively the DC/AC unit, the filter circuit that connect, depositing can electric capacity and switching value signal circuit, and described switching value signal circuit is connected with the gate pole of each unidirectional thyristor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656192.2U CN203574622U (en) | 2013-10-23 | 2013-10-23 | Intelligent combined type high-voltage large-current electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656192.2U CN203574622U (en) | 2013-10-23 | 2013-10-23 | Intelligent combined type high-voltage large-current electronic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203574622U true CN203574622U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320656192.2U Expired - Lifetime CN203574622U (en) | 2013-10-23 | 2013-10-23 | Intelligent combined type high-voltage large-current electronic switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104579272A (en) * | 2013-10-23 | 2015-04-29 | 上海普锐马电子有限公司 | High-voltage heavy-current electronic switch |
-
2013
- 2013-10-23 CN CN201320656192.2U patent/CN203574622U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104579272A (en) * | 2013-10-23 | 2015-04-29 | 上海普锐马电子有限公司 | High-voltage heavy-current electronic switch |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
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| CX01 | Expiry of patent term |