CN203708213U - High-frequency high-voltage electronic switch capable of controlling conduction time - Google Patents
High-frequency high-voltage electronic switch capable of controlling conduction time Download PDFInfo
- Publication number
- CN203708213U CN203708213U CN201320824051.7U CN201320824051U CN203708213U CN 203708213 U CN203708213 U CN 203708213U CN 201320824051 U CN201320824051 U CN 201320824051U CN 203708213 U CN203708213 U CN 203708213U
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- Prior art keywords
- trigger
- electronic switch
- oxide
- metal
- semiconductor
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- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 239000004065 semiconductor Substances 0.000 claims description 18
- 238000010891 electric arc Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model relates to a high-frequency high-voltage electronic switch capable of controlling conduction time, and the electronic switch comprises a switching tube group drive end, a coupling inductor, an MOS tube, an inversion power supply, a drive circuit, a trigger, an oscillating circuit, and a programmable controller. The trigger is connected with the oscillating circuit and the programmable controller. The drive circuit is connected with the trigger, the inversion power supply, and the grid electrode of the MOS tube. The drain electrode of the MOS tube and the inversion power supply are respectively connected with the primary coil of the coupling inductor. The secondary coil of the coupling inductor is connected with the switching tube group drive end. Compared with the prior art, the electronic switch provided by the utility model can withstand a high voltage of several kilovolts and a current of dozens of amperes, is high in speed of conduction, is low in conduction resistance, and can precisely control the period of the conduction time and the number of conduction each second.
Description
Technical field
The utility model relates to a kind of electronic switch, especially relates to a kind of high frequency high voltage electronic switch of controlled ON time processed.
Background technology
Traditional mechanical switch, although some can accomplish high pressure resistant and large electric current, cannot accurately control the number of times of ON time and conducting each second.The most important is, high-pressure machinery switch can produce electric arc in the moment of conducting, electric arc is superimposed upon in energy waves, cause being subject to strong interference by the energy waves of switch, and there is burr or distortion, although and general electronic switch can be accomplished the accurate control of the number of times of ON time and conducting each second, be not easy to accomplish to meet the requirement of speed and high-voltage great-current aspect.
Utility model content
The purpose of this utility model is exactly the high frequency high voltage electronic switch that a kind of controlled ON time processed is provided in order to overcome the defect that above-mentioned prior art exists.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of high frequency high voltage electronic switch of controlled ON time processed, it is characterized in that, comprise switching tube group drive end, coupling inductance, metal-oxide-semiconductor, inverter, drive circuit, trigger, oscillating circuit and Programmable Logic Controller, described trigger is connected with oscillating circuit and Programmable Logic Controller respectively, described drive circuit is connected with the grid of trigger, inverter and metal-oxide-semiconductor respectively, drain electrode, the inverter of described metal-oxide-semiconductor are connected with coupling inductance primary coil respectively, and described coupling inductance secondary coil is connected with switching tube group drive end.
Described switching tube group drive end is in series by multiple metal-oxide-semiconductor groups, and each metal-oxide-semiconductor group is formed in parallel by multiple metal-oxide-semiconductors.
The square wave that described oscillating circuit generation duty ratio is 50% is to trigger, and described Programmable Logic Controller produces the control signal for controlling trigger output.
Compared with prior art, the utility model can bear the high pressure of several kilovolts and the electric current of tens amperes, and conducting speed is fast, and conducting resistance is low, and the number of times of the length of ON time and conducting each second can accurately be controlled.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
Embodiment
As shown in Figure 1, a kind of high frequency high voltage electronic switch of controlled ON time processed, comprise switching tube group drive end 1, coupling inductance 2, metal-oxide-semiconductor 3, inverter 4, drive circuit 5, trigger 6, oscillating circuit 7 and Programmable Logic Controller 8, described trigger 6 is connected with oscillating circuit 7 and Programmable Logic Controller 8 respectively, described drive circuit 5 respectively with trigger 6, inverter 4 is connected with the grid G of metal-oxide-semiconductor 3, the drain D of described metal-oxide-semiconductor 3, inverter 4 is connected with coupling inductance 2 primary coils respectively, described coupling inductance 2 secondary coils are connected with switching tube group drive end 1.
Described switching tube group drive end 1 is in series by multiple metal-oxide-semiconductor groups, and each metal-oxide-semiconductor group is formed in parallel by multiple metal-oxide-semiconductors.
Described oscillating circuit 7 produce duty ratio be 50% square wave to trigger, the control signal that described Programmable Logic Controller 8 produces for controlling trigger output, control signal acts on drive circuit controls the break-make of MOS switching tube.
Claims (3)
1. the high frequency high voltage electronic switch of a controlled ON time processed, it is characterized in that, comprise switching tube group drive end, coupling inductance, metal-oxide-semiconductor, inverter, drive circuit, trigger, oscillating circuit and Programmable Logic Controller, described trigger is connected with oscillating circuit and Programmable Logic Controller respectively, described drive circuit is connected with the grid of trigger, inverter and metal-oxide-semiconductor respectively, drain electrode, the inverter of described metal-oxide-semiconductor are connected with coupling inductance primary coil respectively, and described coupling inductance secondary coil is connected with switching tube group drive end.
2. high frequency high voltage electronic switch according to claim 1, is characterized in that, described switching tube group drive end is in series by multiple metal-oxide-semiconductor groups, and each metal-oxide-semiconductor group is formed in parallel by multiple metal-oxide-semiconductors.
3. high frequency high voltage electronic switch according to claim 1, is characterized in that, the square wave that described oscillating circuit generation duty ratio is 50% is to trigger, and described Programmable Logic Controller produces the control signal for controlling trigger output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320824051.7U CN203708213U (en) | 2013-12-13 | 2013-12-13 | High-frequency high-voltage electronic switch capable of controlling conduction time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320824051.7U CN203708213U (en) | 2013-12-13 | 2013-12-13 | High-frequency high-voltage electronic switch capable of controlling conduction time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708213U true CN203708213U (en) | 2014-07-09 |
Family
ID=51058590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320824051.7U Expired - Lifetime CN203708213U (en) | 2013-12-13 | 2013-12-13 | High-frequency high-voltage electronic switch capable of controlling conduction time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203708213U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716941A (en) * | 2013-12-13 | 2015-06-17 | 上海普锐马电子有限公司 | High-frequency and high-voltage electronic switch with programmable control over conduction time |
-
2013
- 2013-12-13 CN CN201320824051.7U patent/CN203708213U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716941A (en) * | 2013-12-13 | 2015-06-17 | 上海普锐马电子有限公司 | High-frequency and high-voltage electronic switch with programmable control over conduction time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |
|
| CX01 | Expiry of patent term |