CN102355133B - High-voltage power supply circuit with wide-range input and multi-path isolated output - Google Patents
High-voltage power supply circuit with wide-range input and multi-path isolated output Download PDFInfo
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Abstract
The invention relates to a high-voltage power supply circuit with wide-range input and multi-path isolated output. The power supply circuit comprises a direct current (DC) booster circuit and a voltage-stabilizing circuit, and also comprises controlling, driving and protecting circuits, an output sampling and feedback circuit, a self voltage-stabilizing high-voltage output circuit and a high-voltage balanced output circuit, wherein the DC booster circuit is connected with the controlling, driving and protecting circuits through the voltage-stabilizing circuit; the controlling, driving and protecting circuits are respectively connected with the output sampling and feedback circuit, the self voltage-stabilizing high-voltage output circuit and the high-voltage balanced output circuit; and the high-voltage balanced output circuit is connected with the output sampling and feedback circuit. The invention has the beneficial effects that a main control chip is mainly a 555 time-base circuit and does not need other special control chips, the external power supply input range is very wide, multi-path output is achieved, and the input and output as well as the outputs are mutually isolated.
Description
Technical field
The present invention relates to a kind of being mainly used in the field special instruments and equipment such as military project, isolate the output high-voltage power circuit for it provides a kind of wide region input, the multichannel in multichannel isolated high-voltage source.
Background technology
High voltage source is as a kind of particular power source, and it is had many uses, field high voltage source product such as military project particularly, and its performance index require very high.Under the prerequisite that guarantees high voltage source stability and reliability, both required miniaturization, low power consuming, require that again very wide temperature is arranged, the power supply input range, both needed multichannel output, require between input and output again, each road is isolated from each other between exporting mutually.And existing this series products is difficult to accomplish take into account in many ways at present, but the market demand is increasing.
Summary of the invention
In view of existing market actual conditions and Future Development trend, the invention provides a kind of is wide region input, the multichannel isolation output high-voltage power circuit of main control chip by 555 time-base circuits.
The present invention for achieving the above object, the technical scheme of taking is: a kind of wide region input, multichannel is isolated the output high-voltage power circuit, this power circuit comprises DC voltage booster circuit and voltage stabilizing circuit, it is characterized in that: also comprise control and driving and protective circuit, output sampling and feedback circuit, from the voltage stabilizing high-voltage output circuit, high pressure symmetry output circuit, described DC voltage booster circuit is connected with driving and protective circuit with control by voltage stabilizing circuit, described control and driving and protective circuit are sampled and feedback circuit with output respectively, from the voltage stabilizing high-voltage output circuit, high pressure symmetry output circuit connects, and described high pressure symmetry output circuit is connected with output sampling and feedback circuit;
In described control and driving and the protective circuit, the positive pole of capacitor C 5 in the one termination DC voltage booster circuit of inductance L 2, the other end of inductance L 2 connects the positive pole of capacitor C 10 respectively, end of the same name 1 pin of transformer TRF primary coil Lp1, the negative pole of capacitor C 10 meets input ground G, different name end 2 pin of transformer TRF primary coil Lp1 connect the drain electrode of triode T4, feeder ear 8 pin of control chip U3 respectively with an end of resistance R 13 and resistance R 15 and resistance R 16, the positive pole of capacitor C 8, the positive pole of capacitor C 27 links to each other and as in-line power end Vcc in the voltage stabilizing circuit, the negative pole of capacitor C 8 meets input ground G, the end of the discharge end 7 pin difference connecting resistance R14 of control chip U3 and the other end of resistance R 13, trigger end 2 pin of control chip U3 link to each other with threshold value end 6 pin and connect an end of capacitor C 11 respectively, the other end of resistance R 14, the other end of capacitor C 11 links to each other with earth terminal 1 pin of control chip U3 and meets input ground G, reset terminal 4 pin of control chip U3 connect the collector electrode of triode T5 and the other end of resistance R 15 respectively, the base stage difference connecting resistance R18 of triode T5 and an end of resistance R 19, the other end of resistance R 19 links to each other with the emitter of triode T5 and meets input ground G, another termination start and stop control end R/S of resistance R 18, resistance R 17 and capacitor C 12 parallel connections, voltage controling end 5 pin of control chip U3 connect the collector electrode of triode T6 respectively, one end of resistance R 17, the other end of resistance R 16, the base stage difference connecting resistance R21 of triode T6 and an end of capacitor C 9, the other end of resistance R 17 and capacitor C 9 links to each other with the emitter of triode T6 and meets input ground G, output 3 pin of control chip U3 connect the grid of triode T4 by resistance R 20, the source electrode of triode T4 is the end of connecting resistance R22 respectively, the other end of resistance R 21, another termination input ground G of resistance R 22;
In described output sampling and the feedback circuit, the base stage of triode T7 connects emitter 3 pin of the inner output triode of photoelectrical coupler U4 by resistance R 23, collector electrode 4 pin of the inner output triode of photoelectrical coupler U4 meet in-line power end Vcc, the emitter of triode T7 meets input ground G, the collector electrode of triode T7 connects voltage controling end 5 pin of control chip U3 in control and driving and the protective circuit, different name end 6 pin of transformer TRF secondary coil Ls4 connect the positive pole of diode D8, the negative pole of diode D8 connects the positive pole of capacitor C 14 respectively, positive pole 1 pin of photoelectrical coupler U4 interior light emitting diodes, one end of resistance R 25, negative pole 2 pin of photoelectrical coupler U4 interior light emitting diodes connect an end of capacitor C 15 respectively by resistance R 24, the other end of resistance R 25, negative electrode 3 pin of the controlled a reference source U5 of three ends, resistance R 26 and capacitor C 16 parallel connections, the control end 1 pin difference connecting resistance R26 of the controlled a reference source U5 of three ends and an end of resistance R 27, the other end of capacitor C 15, anode 2 pin of the controlled a reference source U5 of three ends respectively with the other end of resistance R 27, one end of capacitor C 13, the end of the same name 4 of the negative pole of capacitor C 14 and transformer TRF secondary coil Ls4 links to each other and meets symmetry output ground G2, another termination input ground G of capacitor C 13;
In the described high pressure symmetry output circuit, end of the same name 4 pin of transformer TRF secondary coil Ls2 link to each other with different name end 4 pin of transformer TRF secondary coil Ls3 and meet symmetry output ground G2, different name end 3 pin of transformer TRF secondary coil Ls2 connect the positive pole of diode D6, the negative pole of diode D6 connects the positive pole of capacitor C 17 and an end of inductance L 3 respectively, capacitor C 18 and capacitor C 19 parallel connections, the other end of inductance L 3 respectively with the positive pole of capacitor C 18, the other end of resistance R 26 links to each other and as symmetrical positive output end+Vo2 in output sampling and the feedback circuit, the negative pole of capacitor C 17 and capacitor C 18 links to each other and meets symmetry output ground G2, end of the same name 5 pin of transformer TRF secondary coil Ls3 connect the negative pole of diode D7, the positive pole of diode D7 connects the negative pole of capacitor C 20 and an end of inductance L 4 respectively, capacitor C 21, capacitor C 22 and resistance R 28 parallel connections, the other end of inductance L 4 links to each other with the negative pole of capacitor C 21 and as symmetrical negative output terminal-Vo2, the positive pole of capacitor C 20 and capacitor C 21 links to each other and meets symmetry output ground G2;
Described in the voltage stabilizing high-voltage output circuit, different name end 1 pin of transformer TRF secondary coil Ls1 connects the positive pole of diode D5, the negative pole of diode D5 connects an end of capacitor C 23 and resistance R 29 respectively, the negative pole of diode D9, the collector electrode of triode T8, capacitor C 24, capacitor C 25 and resistance R 30 parallel connections, the emitter of the positive pole of diode D9 and triode T8, the positive pole of capacitor C 25 links to each other also conduct from output end of pressure-stabilizing+Vo1, the base stage of triode T8 connects the negative pole of diode D10 and the other end of resistance R 29 respectively, diode D10 respectively with diode D11, diode D12, the equidirectional series connection of diode D13, end of the same name 2 pin of transformer TRF secondary coil Ls1 respectively with the negative pole of capacitor C 25, one end of capacitor C 26, the positive pole of the other end of capacitor C 23 and diode D13 links to each other and connects from voltage stabilizing output ground G1, another termination input ground G of capacitor C 26.
The invention has the beneficial effects as follows: main control chip need not other special control chip based on 555 time-base circuits; The externally fed input range is very wide; Multichannel output; Between input and output, each road is isolated from each other between exporting mutually.
Description of drawings
Fig. 1 is that circuit of the present invention connects block diagram.
Fig. 2 is circuit theory diagrams of the present invention.
Embodiment
As Fig. 1, shown in 2, a kind of wide region input, multichannel is isolated the output high-voltage power circuit, this power circuit comprises DC voltage booster circuit and voltage stabilizing circuit, also comprise control and driving and protective circuit, output sampling and feedback circuit, from the voltage stabilizing high-voltage output circuit, high pressure symmetry output circuit, DC voltage booster circuit is connected with driving and protective circuit with control by voltage stabilizing circuit, control and driving and protective circuit are sampled and feedback circuit with output respectively, from the voltage stabilizing high-voltage output circuit, high pressure symmetry output circuit connects, and high pressure symmetry output circuit is connected with output sampling and feedback circuit;
In control and driving and the protective circuit, the positive pole of capacitor C 5 in the one termination DC voltage booster circuit of inductance L 2, the other end of inductance L 2 connects the positive pole of capacitor C 10 respectively, end of the same name 1 pin of transformer TRF primary coil Lp1, the negative pole of capacitor C 10 meets input ground G, different name end 2 pin of transformer TRF primary coil Lp1 connect the drain electrode of triode T4, feeder ear 8 pin of control chip U3 respectively with an end of resistance R 13 and resistance R 15 and resistance R 16, the positive pole of capacitor C 8, the positive pole of capacitor C 27 links to each other and as in-line power end Vcc in the voltage stabilizing circuit, the negative pole of capacitor C 8 meets input ground G, the end of the discharge end 7 pin difference connecting resistance R14 of control chip U3 and the other end of resistance R 13, trigger end 2 pin of control chip U3 link to each other with threshold value end 6 pin and connect an end of capacitor C 11 respectively, the other end of resistance R 14, the other end of capacitor C 11 links to each other with earth terminal 1 pin of control chip U3 and meets input ground G, reset terminal 4 pin of control chip U3 connect the collector electrode of triode T5 and the other end of resistance R 15 respectively, the base stage difference connecting resistance R18 of triode T5 and an end of resistance R 19, the other end of resistance R 19 links to each other with the emitter of triode T5 and meets input ground G, another termination start and stop control end R/S of resistance R 18, resistance R 17 and capacitor C 12 parallel connections, voltage controling end 5 pin of control chip U3 connect the collector electrode of triode T6 respectively, one end of resistance R 17, the other end of resistance R 16, the base stage difference connecting resistance R21 of triode T6 and an end of capacitor C 9, the other end of resistance R 17 and capacitor C 9 links to each other with the emitter of triode T6 and meets input ground G, output 3 pin of control chip U3 connect the grid of triode T4 by resistance R 20, the source electrode of triode T4 is the end of connecting resistance R22 respectively, the other end of resistance R 21, another termination input ground G of resistance R 22;
In output sampling and the feedback circuit, the base stage of triode T7 connects emitter 3 pin of the inner output triode of photoelectrical coupler U4 by resistance R 23, collector electrode 4 pin of the inner output triode of photoelectrical coupler U4 meet in-line power end Vcc, the emitter of triode T7 meets input ground G, the collector electrode of triode T7 connects voltage controling end 5 pin of control chip U3 in control and driving and the protective circuit, different name end 6 pin of transformer TRF secondary coil Ls4 connect the positive pole of diode D8, the negative pole of diode D8 connects the positive pole of capacitor C 14 respectively, positive pole 1 pin of photoelectrical coupler U4 interior light emitting diodes, one end of resistance R 25, negative pole 2 pin of photoelectrical coupler U4 interior light emitting diodes connect an end of capacitor C 15 respectively by resistance R 24, the other end of resistance R 25, negative electrode 3 pin of the controlled a reference source U5 of three ends, resistance R 26 and capacitor C 16 parallel connections, the control end 1 pin difference connecting resistance R26 of the controlled a reference source U5 of three ends and an end of resistance R 27, the other end of capacitor C 15, anode 2 pin of the controlled a reference source U5 of three ends respectively with the other end of resistance R 27, one end of capacitor C 13, the end of the same name 4 of the negative pole of capacitor C 14 and transformer TRF secondary coil Ls4 links to each other and meets symmetry output ground G2, another termination input ground G of capacitor C 13;
In the high pressure symmetry output circuit, end of the same name 4 pin of transformer TRF secondary coil Ls2 link to each other with different name end 4 pin of transformer TRF secondary coil Ls3 and meet symmetry output ground G2, different name end 3 pin of transformer TRF secondary coil Ls2 connect the positive pole of diode D6, the negative pole of diode D6 connects the positive pole of capacitor C 17 and an end of inductance L 3 respectively, capacitor C 18 and capacitor C 19 parallel connections, the other end of inductance L 3 respectively with the positive pole of capacitor C 18, the other end of resistance R 26 links to each other and as symmetrical positive output end+Vo2 in output sampling and the feedback circuit, the negative pole of capacitor C 17 and capacitor C 18 links to each other and meets symmetry output ground G2, end of the same name 5 pin of transformer TRF secondary coil Ls3 connect the negative pole of diode D7, the positive pole of diode D7 connects the negative pole of capacitor C 20 and an end of inductance L 4 respectively, capacitor C 21, capacitor C 22 and resistance R 28 parallel connections, the other end of inductance L 4 links to each other with the negative pole of capacitor C 21 and as symmetrical negative output terminal-Vo2, the positive pole of capacitor C 20 and capacitor C 21 links to each other and meets symmetry output ground G2;
In the voltage stabilizing high-voltage output circuit, different name end 1 pin of transformer TRF secondary coil Ls1 connects the positive pole of diode D5, the negative pole of diode D5 connects an end of capacitor C 23 and resistance R 29 respectively, the negative pole of diode D9, the collector electrode of triode T8, capacitor C 24, capacitor C 25 and resistance R 30 parallel connections, the emitter of the positive pole of diode D9 and triode T8, the positive pole of capacitor C 25 links to each other also conduct from output end of pressure-stabilizing+Vo1, the base stage of triode T8 connects the negative pole of diode D10 and the other end of resistance R 29 respectively, diode D10 respectively with diode D11, diode D12, the equidirectional series connection of diode D13, end of the same name 2 pin of transformer TRF secondary coil Ls1 respectively with the negative pole of capacitor C 25, one end of capacitor C 26, the positive pole of the other end of capacitor C 23 and diode D13 links to each other and connects from voltage stabilizing output ground G1, another termination input ground G of capacitor C 26.
Control chip U3 adopts 555 time-base circuits, it is a kind of hybrid integrated circuit with analog functuion and the ingenious combination of logic function, it is of many uses, it and photoelectrical coupler U4, three end adjustable reference source U5(TL431 in this circuit) etc. constitute output and isolate the FEEDBACK CONTROL link.Add the effect of DC voltage booster circuit, this circuit have between the output of wide, the multichannel of power supply input range, input and output and between each road output be isolated from each other, characteristics such as high pressure output is controlled, overcurrent protection.
Control chip 555 time-base circuits (U1 and U3), photoelectrical coupler U4, the controlled a reference source U5 of three ends etc. of this circuit all adopt the military products grade.In addition, at utmost reducing overall dimension, select that low noise, low temperature float, the paster components and parts of good stability for use.Simultaneously, PCB adopts the multilayer layout, guarantees transformer line pack arrangement technology, technique for coiling and High-Voltage Insulation processing etc.
Operation principle: in control and driving and protective circuit, control chip U3(555 time-base circuit) constitute astable multivibrator with resistance R 13, resistance R 14 and capacitor C 11 etc., frequency of oscillation is 1.4/(R13+2R14) * C11.Frequency of oscillation and in-line power end Vcc and externally fed input+Vin size is irrelevant, and depends on charge and discharge total time constant, and is namely only relevant with the value of resistance R 13, R14 and capacitor C 11.The duty ratio of oscillating impulse and capacitor C 11 are irrelevant, and only relevant with the big or small ratio of resistance R 13, R14.
After powering on, when 3 pin of control chip U3 are exported oscillating impulse voltage, 4 conductings of high-power MOS switch transistor T, transformer TRF primary coil Lp1 stored energy at this moment; When the 3 pin dead-beat pulse voltages of control chip U3, high-power MOS switch transistor T 4 is ended, and transformer TRF primary coil Lp1 produces back electromotive force, to secondary, through each road rectification, filtering, obtains high pressure in output by transformer coupled.And deliver to control end 1 pin of the controlled a reference source U5 of three ends from the high pressure sampled signal that resistance R 26 and resistance R 27 obtains, the sampled feedback signal that obtains through photoelectrical coupler U4 isolation coupling, control voltage controling end 5 pin of 555 circuit, and then frequency and the duty ratio of control oscillating impulse, reach control, the stable purpose of exporting high pressure.
In addition, when total output current during greater than protective current, the overcurrent sampled voltage that is proportional to input current in that resistance R 22 obtains makes triode T6 conducting, causes the voltage controling end 5 pin current potentials of control chip U3 to descend, thereby high pressure output is descended.
In addition, when start and stop control end R/S is low level or when unsettled, high pressure output is arranged; When start and stop control end R/S is high level, close the output high pressure.2 pairs of high frequency of oscillation alternating voltages of inductance L play the isolation barrier effect, reduce high-frequency ac working pulse voltage to the interference of control circuit and supply power voltage.
Claims (1)
1. wide region input, multichannel is isolated the output high-voltage power circuit, this power circuit comprises DC voltage booster circuit and voltage stabilizing circuit, it is characterized in that: also comprise control and driving and protective circuit, output sampling and feedback circuit, from the voltage stabilizing high-voltage output circuit, high pressure symmetry output circuit, described DC voltage booster circuit is connected with driving and protective circuit with control by voltage stabilizing circuit, described control and driving and protective circuit are sampled and feedback circuit with output respectively, from the voltage stabilizing high-voltage output circuit, high pressure symmetry output circuit connects, and described high pressure symmetry output circuit is connected with output sampling and feedback circuit;
In described control and driving and the protective circuit, the positive pole of capacitor C 5 in the one termination DC voltage booster circuit of inductance L 2, the other end of inductance L 2 connects the positive pole of capacitor C 10 respectively, end of the same name 1 pin of transformer TRF primary coil Lp1, the negative pole of capacitor C 10 meets input ground G, different name end 2 pin of transformer TRF primary coil Lp1 connect the drain electrode of triode T4, feeder ear 8 pin of control chip U3 respectively with an end of resistance R 13 and resistance R 15 and resistance R 16, the positive pole of capacitor C 8, the positive pole of capacitor C 27 links to each other and as in-line power end Vcc in the voltage stabilizing circuit, the negative pole of capacitor C 8 meets input ground G, the end of the discharge end 7 pin difference connecting resistance R14 of control chip U3 and the other end of resistance R 13, trigger end 2 pin of control chip U3 link to each other with threshold value end 6 pin and connect an end of capacitor C 11 respectively, the other end of resistance R 14, the other end of capacitor C 11 links to each other with earth terminal 1 pin of control chip U3 and meets input ground G, reset terminal 4 pin of control chip U3 connect the collector electrode of triode T5 and the other end of resistance R 15 respectively, the base stage difference connecting resistance R18 of triode T5 and an end of resistance R 19, the other end of resistance R 19 links to each other with the emitter of triode T5 and meets input ground G, another termination start and stop control end R/S of resistance R 18, resistance R 17 and capacitor C 12 parallel connections, voltage controling end 5 pin of control chip U3 connect the collector electrode of triode T6 respectively, one end of resistance R 17, the other end of resistance R 16, the base stage difference connecting resistance R21 of triode T6 and an end of capacitor C 9, the other end of resistance R 17 and capacitor C 9 links to each other with the emitter of triode T6 and meets input ground G, output 3 pin of control chip U3 connect the grid of triode T4 by resistance R 20, the source electrode of triode T4 is the end of connecting resistance R22 respectively, the other end of resistance R 21, another termination input ground G of resistance R 22;
In described output sampling and the feedback circuit, the base stage of triode T7 connects emitter 3 pin of the inner output triode of photoelectrical coupler U4 by resistance R 23, collector electrode 4 pin of the inner output triode of photoelectrical coupler U4 meet in-line power end Vcc, the emitter of triode T7 meets input ground G, the collector electrode of triode T7 connects voltage controling end 5 pin of control chip U3 in control and driving and the protective circuit, different name end 6 pin of transformer TRF secondary coil Ls4 connect the positive pole of diode D8, the negative pole of diode D8 connects the positive pole of capacitor C 14 respectively, positive pole 1 pin of photoelectrical coupler U4 interior light emitting diodes, one end of resistance R 25, negative pole 2 pin of photoelectrical coupler U4 interior light emitting diodes connect an end of capacitor C 15 respectively by resistance R 24, the other end of resistance R 25, negative electrode 3 pin of the controlled a reference source U5 of three ends, resistance R 26 and capacitor C 16 parallel connections, the control end 1 pin difference connecting resistance R26 of the controlled a reference source U5 of three ends and an end of resistance R 27, the other end of capacitor C 15, anode 2 pin of the controlled a reference source U5 of three ends respectively with the other end of resistance R 27, one end of capacitor C 13, the end of the same name 4 of the negative pole of capacitor C 14 and transformer TRF secondary coil Ls4 links to each other and meets symmetry output ground G2, another termination input ground G of capacitor C 13;
In the described high pressure symmetry output circuit, end of the same name 4 pin of transformer TRF secondary coil Ls2 link to each other with different name end 4 pin of transformer TRF secondary coil Ls3 and meet symmetry output ground G2, different name end 3 pin of transformer TRF secondary coil Ls2 connect the positive pole of diode D6, the negative pole of diode D6 connects the positive pole of capacitor C 17 and an end of inductance L 3 respectively, capacitor C 18 and capacitor C 19 parallel connections, the other end of inductance L 3 respectively with the positive pole of capacitor C 18, the other end of resistance R 26 links to each other and as symmetrical positive output end+Vo2 in output sampling and the feedback circuit, the negative pole of capacitor C 17 and capacitor C 18 links to each other and meets symmetry output ground G2, end of the same name 5 pin of transformer TRF secondary coil Ls3 connect the negative pole of diode D7, the positive pole of diode D7 connects the negative pole of capacitor C 20 and an end of inductance L 4 respectively, capacitor C 21, capacitor C 22 and resistance R 28 parallel connections, the other end of inductance L 4 links to each other with the negative pole of capacitor C 21 and as symmetrical negative output terminal-Vo2, the positive pole of capacitor C 20 and capacitor C 21 links to each other and meets symmetry output ground G2;
Described in the voltage stabilizing high-voltage output circuit, different name end 1 pin of transformer TRF secondary coil Ls1 connects the positive pole of diode D5, the negative pole of diode D5 connects an end of capacitor C 23 and resistance R 29 respectively, the negative pole of diode D9, the collector electrode of triode T8, capacitor C 24, capacitor C 25 and resistance R 30 parallel connections, the emitter of the positive pole of diode D9 and triode T8, the positive pole of capacitor C 25 links to each other also conduct from output end of pressure-stabilizing+Vo1, the base stage of triode T8 connects the negative pole of diode D10 and the other end of resistance R 29 respectively, diode D10, diode D11, diode D12, the equidirectional series connection of diode D13, end of the same name 2 pin of transformer TRF secondary coil Ls1 respectively with the negative pole of capacitor C 25, one end of capacitor C 26, the positive pole of the other end of capacitor C 23 and diode D13 links to each other and connects from voltage stabilizing output ground G1, another termination input ground G of capacitor C 26.
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| CN106817023B (en) * | 2015-11-27 | 2018-11-02 | 中国科学院沈阳自动化研究所 | A kind of myriametre pressure resistance multiple power supplies allocation unit of reactance voltage mutation |
| CN106100322B (en) * | 2016-06-23 | 2023-10-20 | 新天科技股份有限公司 | Multipath high-precision power supply circuit |
| CN105978338B (en) * | 2016-06-27 | 2020-09-04 | 湖南正申科技有限公司 | Micropower direct-current low-voltage input direct-current high-voltage generator |
| CN109586567A (en) * | 2018-11-08 | 2019-04-05 | 深圳航天科技创新研究院 | A kind of topological structure of wide input voltage range multichannel High voltage output |
| CN109525100A (en) * | 2018-11-08 | 2019-03-26 | 深圳航天科技创新研究院 | A kind of power control system of multichannel High voltage output |
| CN110139446A (en) * | 2019-05-31 | 2019-08-16 | 深圳市奋勇光电有限公司 | A kind of light-operated circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771355A (en) * | 2010-02-05 | 2010-07-07 | 天津市东文高压电源厂 | Fixed-output isolation high-voltage power supply module |
| CN101814839A (en) * | 2010-05-06 | 2010-08-25 | 天津市东文高压电源厂 | Modular power supply for insulating fixed symmetrical output high voltage |
| CN202261026U (en) * | 2011-09-19 | 2012-05-30 | 东文高压电源（天津）有限公司 | Wide-range input and multi-path isolation output high voltage power circuit |
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| JP4671019B2 (en) * | 2005-01-14 | 2011-04-13 | サンケン電気株式会社 | Multi-output DC-DC converter |
| US7649280B2 (en) * | 2006-09-21 | 2010-01-19 | Texas Instruments Incorporated | Method and circuit for cross regulation in a power converter |
-
2011
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101771355A (en) * | 2010-02-05 | 2010-07-07 | 天津市东文高压电源厂 | Fixed-output isolation high-voltage power supply module |
| CN101814839A (en) * | 2010-05-06 | 2010-08-25 | 天津市东文高压电源厂 | Modular power supply for insulating fixed symmetrical output high voltage |
| CN202261026U (en) * | 2011-09-19 | 2012-05-30 | 东文高压电源（天津）有限公司 | Wide-range input and multi-path isolation output high voltage power circuit |
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Owner name: DONGWEN HIGH VOLTAGE POWER SUPPLY (TIANJIN) CO., L Free format text: FORMER NAME: TIANJIN DONGWEN HIGH-VOLTAGE POWER SUPPLY CO., LTD. |
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Address after: 300220, Tianjin, Hexi District, 20 Dongting Road, Chen Tong Technology Business District Service Center 415-3 Patentee after: Wen Dong high voltage power supply (Tianjin) Limited by Share Ltd Address before: 300171, blue mansion, No. eleven, No. 47, Hedong Road, Hedong District, Tianjin, 8F Patentee before: Tianjin Dongwen High Voltage Power Supply Plant |