CN206389283U - A kind of power circuit of simple low-power high voltage output - Google Patents
A kind of power circuit of simple low-power high voltage output Download PDFInfo
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- CN206389283U CN206389283U CN201621329572.5U CN201621329572U CN206389283U CN 206389283 U CN206389283 U CN 206389283U CN 201621329572 U CN201621329572 U CN 201621329572U CN 206389283 U CN206389283 U CN 206389283U
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- 238000004804 winding Methods 0.000 claims abstract description 22
- 239000003990 capacitor Substances 0.000 claims abstract description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 7
- 238000007600 charging Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
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Abstract
The utility model is related to a kind of power circuit of simple low-power high voltage output, circuit is electrochemical capacitor C1 and dc source V1 in parallel, resistance R1 is serially connected in dc source V1 positive pole and triode Q1 base stage, and transformer T1 windings P2 2 ends are connected with triode Q1 colelctor electrode, it is connected after triode Q1 emitter stage and feedback resistance R3 series connection with dc source V1 negative pole, feedback winding P1 1 end and diode D2, it is connected after resistance R2 series connection with triode Q1 base stage, feedback winding P1 2 ends ground connection, voltage-regulator diode ZD1 negative electrode is connected to after triode Q1 base stage, anode series electrochemical capacitor C2 and is grounded, by diode D3, D4, D5, D6, D7, D8, D9, D10 and electric capacity C4, C5, C6, C7, C8, C9, C10, the voltage doubling rectifing circuit that C11 is constituted is attempted by transformer T1 vice-side winding S two ends, and the alternating voltage of transformer T1 outputs is converted into HVDC output, has the technical effect that circuit structure is simple, easily realize, output voltage stabilization, cost is low, small volume.
Description
Technical field
The utility model is related to a kind of high voltage power supply, more particularly to a kind of reliable and stable low-power high voltage power supply.
Background technology
With the fast development of Power Electronic Technique, high voltage power supply is also widely used.Current high voltage power supply has
Two kinds of development trends：High-voltage great-current, meets high-power instrument and equipment and uses.Such as X-ray machine, semiconductor manufacturing facility；High pressure
Low current, it is adaptable to low-power equipment.Such as air purifier, ozone generator equipment.It is in the market to use switch electricity more
Source technology realizes High voltage output, but the problems such as bring high cost, reliability, large volume therewith.It is widely used in consumer electronics production
Product mesohigh power supply, although reliability is high, but have that circuit structure is complicated, volume is big, cost is high, or electrical structure letter
It is single, self-oscillation is only formed by triode positive feedback, it is impossible to the High voltage output stablized, and reliability is low.
The content of the invention
In view of the problem of prior art is present, the utility model provides a kind of power supply electricity of simple low-power high voltage output
Road, using triode oscillating circuit, the mechanism to form vibration is fed back by current parallel type, DC input voitage is converted into width
It is worth periodically variable waveform, regulated output voltage, particular technique side is obtained finally by electric capacity-diode voltage doubling rectifing circuit
Case is, a kind of power circuit of simple low-power high voltage output, it is characterised in that：Circuit is connected as electrochemical capacitor C1 and direct current
Power supply V1 is in parallel, and resistance R1 is serially connected between dc source V1 positive pole and triode Q1 base stage, transformer T1 winding P2
2 ends and triode Q1 colelctor electrode be connected, triode Q1 emitter stage and feedback resistance R3 series connection after with dc source V1's
Negative pole is connected, and constitutes conducting loop, and transformer T1 feedback winding P1 1 end is connected with diode D2, resistance R2, forms feedback
Loop, is finally connected with triode Q1 base stage, transformer T1 feedback winding P1 2 ends ground connection, voltage-regulator diode ZD1 and electricity
Electric capacity C2 series connection is solved, voltage-regulator diode ZD1 negative electrode is connected to triode Q1 base stage, and the anode of electrochemical capacitor is connected to ground,
The voltage multiplying rectifier being made up of diode D3, D4, D5, D6, D7, D8, D9, D10 and electric capacity C4, C5, C6, C7, C8, C9, C10, C11
Circuit is attempted by transformer T1 vice-side winding S two ends, and resistance R4 is attempted by diode D3 negative pole and diode D10 positive pole
Two ends, the alternating voltage of transformer T1 outputs is converted into HVDC output, and high pressure is provided to load.
Of the present utility model to have the technical effect that, circuit structure is simple, easily realization, output voltage stabilization, cost be low, volume
It is small.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
As shown in figure 1, a kind of power circuit of simple low-power high voltage output, it is characterised in that：Circuit is connected as electricity
Solve electric capacity C1 and dc source V1 in parallel, direct voltage source V1 plays a part of voltage stabilizing by C1, and resistance R1 is serially connected in direct current
Between source V1 positive pole and triode Q1 base stage, triode Q1 is triode, by resistance R1, and triode Q1 B-E is turned on,
Conduction voltage drop about 0.7V, the transformer T1 of connection dc source winding P2 2 ends are connected with triode Q1 colelctor electrode, three poles
It is connected after pipe Q1 emitter stage and feedback resistance R3 series connection with dc source V1 negative pole, conducting loop is constituted, in feedback winding
P1 two ends form induced voltage, and feedback winding P1 " 1 " terminal voltage polarity is "+", transformer T1 feedback winding P1 1 end with
Diode D2, resistance R2 connect, and form backfeed loop, are finally connected with triode Q1 base stage, transformer T1 feedback winding
P1 2 ends ground connection, the electric current is superimposed with initial current, constitutes positive feedback, make triode Q1 ICElectric current gradually increases, resistance R3
Triode Q1 emitter stage is connected to ground, when triode Q1 collector currents Ic increases to Icmax, in resistance R3 formation
Potential will make VBELess than the conduction threshold of NPN triode Q1, NPN triode Q1 cut-off, shut-off；After shut-off, due to inductive current
Zero can not be dropped at once, inductance will produce inverse electromotive force, thus feedback winding P1, winding P2, " 1 " terminal voltage polarity be
"-", is charged by D1 to C2, and electrochemical capacitor C2 and voltage-stabiliser tube ZD1 constitute boostrap circuit, NPN triode Q1 is turned on again, from
And periodic alternating voltage is formed, voltage-regulator diode ZD1 and electrochemical capacitor C2 series connection, voltage-regulator diode ZD1 negative electrode connection
To triode Q1 base stage, the anode of electrochemical capacitor is connected to ground, by diode D3, D4, D5, D6, D7, D8, D9, D10 and electricity
The voltage doubling rectifing circuit for holding C4, C5, C6, C7, C8, C9, C10, C11 composition is attempted by transformer T1 vice-side winding S two ends, electricity
Resistance R4 is attempted by diode D3 negative pole and diode D10 positive pole two ends, after transformer boost, vice-side winding S outputs
Electric capacity C4 chargings are given in alternating voltage, alternating voltage positive half period, diode D3 conductings；Alternating voltage negative half-cycle, diode D4
Conducting, gives electric capacity C5 chargings, and electric capacity C6 chargings, after multiple cycles, electricity are given in next positive half period, diode D3, D5 conducting
Hold C5, C7, C9, C11 charging complete, the sum of C5, C7, C9, C11 voltage, the exchange of transformer T1 outputs are held in output voltage power taking
Voltage conversion is exported into HVDC, and high pressure is provided to load.
Compared to same type high-tension circuit, voltage-stabiliser tube ZD1, electric capacity C2 continue NPN triode Q1, stably, periodically
Conducting and shut-off, make product parameters be well controlled, in addition, the cooperation of positive feedback loop and negative feedback loop also makes vibration
Circuit quickly enters stable state, realizes the function of High voltage output.Can be by adjusting winding P2 inductance values, R3 resistance values and P1 and P2
The turn ratio come control input power and power output, change the maximum load capacity of circuit.
When output short-circuit, there is current spike in resistance R3 two ends, and NPN triode Q1 enters profound and negative feedbck, quick to close
It is disconnected, the transmission of energy is cut off, protection device improves the reliability of product.
Claims (1)
1. a kind of power circuit of simple low-power high voltage output, it is characterised in that：Circuit is connected as electrochemical capacitor C1 and straight
Flow power supply V1 in parallel, resistance R1 is serially connected between dc source V1 positive pole and triode Q1 base stage, transformer T1 winding
P2 2 ends and triode Q1 colelctor electrode are connected, after triode Q1 emitter stage and feedback resistance R3 series connection with dc source V1
Negative pole connection, constitute conducting loop, transformer T1 feedback winding P1 1 end connect with diode D2, resistance R2, formation is instead
Be fed back to road, be finally connected with triode Q1 base stage, transformer T1 feedback winding P1 2 ends ground connection, voltage-regulator diode ZD1 and
Electrochemical capacitor C2 connects, and voltage-regulator diode ZD1 negative electrode is connected to triode Q1 base stage, and the anode of electrochemical capacitor is connected to
Ground, the multiplication of voltage being made up of diode D3, D4, D5, D6, D7, D8, D9, D10 and electric capacity C4, C5, C6, C7, C8, C9, C10, C11
Rectification circuit is attempted by transformer T1 vice-side winding S two ends, and resistance R4 is attempted by diode D3 negative pole with diode D10's
Positive pole two ends, the alternating voltage of transformer T1 outputs is converted into HVDC output, and high pressure is provided to load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329572.5U CN206389283U (en) | 2016-12-06 | 2016-12-06 | A kind of power circuit of simple low-power high voltage output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329572.5U CN206389283U (en) | 2016-12-06 | 2016-12-06 | A kind of power circuit of simple low-power high voltage output |
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| Publication Number | Publication Date |
|---|---|
| CN206389283U true CN206389283U (en) | 2017-08-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621329572.5U Expired - Fee Related CN206389283U (en) | 2016-12-06 | 2016-12-06 | A kind of power circuit of simple low-power high voltage output |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054684A (en) * | 2020-08-12 | 2020-12-08 | 北京卫星制造厂有限公司 | Ultrahigh-voltage aerospace switch power supply circuit topological structure |
-
2016
- 2016-12-06 CN CN201621329572.5U patent/CN206389283U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112054684A (en) * | 2020-08-12 | 2020-12-08 | 北京卫星制造厂有限公司 | Ultrahigh-voltage aerospace switch power supply circuit topological structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180919 Address after: 300211 No. 6, Taishan Road, Tianjin, Hexi District Patentee after: TIANJIN HUIGAO MAGNETICS Co.,Ltd. Address before: 300211 No. 6, Taishan Road, Tianjin, Hexi District Patentee before: TIANJIN PHOTOELECTRIC RUNDA ELECTRONICS Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 |
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| CF01 | Termination of patent right due to non-payment of annual fee |