CN207399051U - Power module that is a kind of while exporting multistage negative voltage - Google Patents
Power module that is a kind of while exporting multistage negative voltage Download PDFInfo
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- CN207399051U CN207399051U CN201721065789.4U CN201721065789U CN207399051U CN 207399051 U CN207399051 U CN 207399051U CN 201721065789 U CN201721065789 U CN 201721065789U CN 207399051 U CN207399051 U CN 207399051U
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- voltage
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- electrically connected
- negative voltage
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Abstract
The utility model discloses a kind of while export the power module of multistage negative voltage, including：Including control circuit and output circuit；The output circuit is electrically connected the output terminal of control circuit；The control circuit includes the CLC ac filters rectification circuit, high-performance direct current converter, half-bridge drive circuit, DCAC exchangers and the ACDC high voltage direct current converters that are electrically connected successively；The output circuit includes the chip of concussion half-bridge switch certainly, metal-oxide-semiconductor, high-tension transformer, PWM module and the voltage-multiplying circuit being electrically connected successively；The secondary output voltage of high-tension transformer is connected to form buck boost translation circuits with voltage-multiplying circuit through PWM module, it is made to export the voltage of opposite polarity.The utility model structure novel, performance are stablized, can export multistage negative high voltage simultaneously, widen the application range of power supply, improve the stability of output voltage, and anion, excellent combination property, wide market can be discharged into air.
Description
Technical field
The utility model is related to power-supply device field, more particularly to a kind of while export the power supply mould of multistage negative voltage
Block.
Background technology
Supply unit is one of basic product of electronics field.The output voltage of supply unit has positive voltage and negative electricity
Two kinds of pressure.Existing power supply device mostly only has the function of output positive voltage, the few of negative voltage is exported, even moreover, negative electricity
Out-put supply is pressed, output form is usually single-stage rated output, and adaptability is not wide, and performance is unstable.
Utility model content
The utility model is mainly solving the technical problems that provide power module that is a kind of while exporting multistage negative voltage, energy
Enough solve the above problem existing for existing power supply device.
In order to solve the above technical problems, the technical solution that the utility model uses is：It is more to provide a kind of output simultaneously
The power module of grade negative voltage, including：Including control circuit and output circuit；The output circuit is electrically connected the control electricity
The output terminal on road；
Wherein, the control circuit includes the CLC ac filters rectification circuit being electrically connected successively, high-performance direct current conversion
Device, half-bridge drive circuit, DCAC exchangers and ACDC high voltage direct current converters；
The output circuit includes the chip of concussion half-bridge switch certainly, metal-oxide-semiconductor, high-tension transformer, the PWM being electrically connected successively
Module and voltage-multiplying circuit；The secondary output voltage of the high-tension transformer is connected to form buck- through PWM module with voltage-multiplying circuit
Boost translation circuits make it export the voltage of opposite polarity.
In one preferred embodiment of the utility model, the voltage of the opposite polarity is multistage negative voltage.
In one preferred embodiment of the utility model, it is described multistage negative voltage be two-stage negative voltage, voltage value be respectively-
8kV and -4kV.
In one preferred embodiment of the utility model, the high-performance direct current converter is also electrically connected with DC voltage
Calibrate circuit.
In one preferred embodiment of the utility model, the half-bridge drive circuit is also electrically connected with output frequency calibration
Circuit.
The beneficial effects of the utility model are：The utility model is a kind of while exports the power module of multistage negative voltage, knot
Structure is novel, and performance is stablized, and can export multistage negative high voltage simultaneously, widen the application range of power supply, improve the steady of output voltage
It is qualitative, and anion, excellent combination property, wide market can be discharged into air.
Description of the drawings
Fig. 1 is that the utility model is a kind of while export the circuit connection diagram of the power module of multistage negative voltage；
The mark of each component is as follows in attached drawing：101. CLC ac filter rectification circuits, the conversion of 102. high-performance direct currents
Device, 103. half-bridge drive circuits, 104. DCAC exchangers, 105. ACDC high voltage direct current converters, 106. stream voltage calibration electricity
Road, 107. output frequencies calibration circuit, 201. from concussion half-bridge switch chip, 202. metal-oxide-semiconductors, 203. high-tension transformers,
204.PWM modules, 205. voltage-multiplying circuits.
Specific embodiment
The preferred embodiment of the utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Referring to Fig. 1, the utility model embodiment includes：
Embodiment 1
Power module that is a kind of while exporting multistage negative voltage, including：Including control circuit and output circuit；The output
Circuit is electrically connected the output terminal of the control circuit；
Wherein, the control circuit includes the CLC ac filters rectification circuit 101, the high-performance direct current that are electrically connected successively
Converter 102, half-bridge drive circuit 103, DCAC exchangers 104 and ACDC high voltage direct current converter 105；AC power input should
Control circuit is converted into DC voltage through CLC ac filters rectification circuit 101, height is converted into through high-performance direct current converter 102
DC voltage is pressed, each subordinate's diode is driven under the action of half-bridge drive circuit 103, and passes sequentially through DCAC converters 104
After ACDC high voltage direct current converter 105, the output supply load in the form of high voltage direct current.
At the same time, the DC voltage calibration circuit 106 being electrically connected with high-performance direct current converter 102 calibrates high-performance
The output voltage of commutator transformer 102；Output frequency calibration circuit 107 calibration half being electrically connected with half-bridge drive circuit 103
The frequency values for the voltage that bridge output circuit 103 exports, it is ensured that the output voltage performance of control circuit is stablized.
The output circuit is electrically connected the output terminal of the control circuit, including being electrically connected successively from concussion half-bridge
Switch chip 201, metal-oxide-semiconductor 202, high-tension transformer 203, PWM module 204 and voltage-multiplying circuit 205.The high-tension transformer 203
It is prepared using special technique for coiling, there is multistage secondary output winding, the voltage input end and PWM of secondary output winding
Module, then be connected to form buck-boost translation circuits with voltage-multiplying circuit, it is made to export the voltage of opposite polarity, i.e., by positive electricity
Pressure is converted to negative voltage output.
Specifically, the voltage output of opposite polarity exports for two-stage negative voltage, and output valve is respectively -8 kV and -4kV, real
The function of multistage negative voltage is now exported simultaneously.
The high-tension transformer 203 is special transformer, and layer and section is used to isolate winding, is vacuumized and poured with epoxy resin
It fills, with the insulation between stringent control line layer, prevents sparking damage between high-tension coil, the coil of high-voltage output ends at different levels uses
It is completely self-contained to separate winding, it does not interfere with each other, voltage is more stable, ensure that the high-performance and high stability of output voltage.
Above-mentioned power module has the following advantages that：
1 while multistage negative high voltage is exported, widened the application range of power supply, promoted its stability.
2nd, picking and placeing by PWM module can realize the conversion of multistage positive high voltage output and multistage negative high voltage output, improve
The flexibility of power supply application.
3rd, the anion of negative high voltage release forms negative electrostatic in air, is conducive to the health of people.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (5)
1. power module that is a kind of while exporting multistage negative voltage, which is characterized in that including：Control circuit and output circuit；Institute
State the output terminal that output circuit is electrically connected the control circuit；
Wherein, the control circuit include be electrically connected successively CLC ac filters rectification circuit, high-performance direct current converter,
Half-bridge drive circuit, DCAC exchangers and ACDC high voltage direct current converters；
The output circuit includes the chip of concussion half-bridge switch certainly being electrically connected successively, metal-oxide-semiconductor, high-tension transformer, PWM module
And voltage-multiplying circuit；The secondary output voltage of the high-tension transformer is connected to form buck-boost through PWM module with voltage-multiplying circuit
Translation circuit makes it export the voltage of opposite polarity.
2. power module that is according to claim 1 while exporting multistage negative voltage, which is characterized in that the opposite polarity
Voltage be multistage negative voltage.
3. power module that is according to claim 2 while exporting multistage negative voltage, which is characterized in that the multistage negative electricity
It presses as two-stage negative voltage, voltage value respectively -8kV and -4kV.
4. power module that is according to claim 1 while exporting multistage negative voltage, which is characterized in that the high-performance is straight
Current converter is also electrically connected with DC voltage calibration circuit.
5. power module that is according to claim 1 while exporting multistage negative voltage, which is characterized in that the half-bridge driven
Circuit is also electrically connected with output frequency calibration circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721065789.4U CN207399051U (en) | 2017-08-24 | 2017-08-24 | Power module that is a kind of while exporting multistage negative voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721065789.4U CN207399051U (en) | 2017-08-24 | 2017-08-24 | Power module that is a kind of while exporting multistage negative voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207399051U true CN207399051U (en) | 2018-05-22 |
Family
ID=62418373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721065789.4U Expired - Fee Related CN207399051U (en) | 2017-08-24 | 2017-08-24 | Power module that is a kind of while exporting multistage negative voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207399051U (en) |
-
2017
- 2017-08-24 CN CN201721065789.4U patent/CN207399051U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180522 Termination date: 20180824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |