CN102075093B - Automatic high-precision voltage-stabilizing output circuit with wide-range input voltage in wide range - Google Patents
Automatic high-precision voltage-stabilizing output circuit with wide-range input voltage in wide range Download PDFInfo
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- CN102075093B CN102075093B CN 201010583960 CN201010583960A CN102075093B CN 102075093 B CN102075093 B CN 102075093B CN 201010583960 CN201010583960 CN 201010583960 CN 201010583960 A CN201010583960 A CN 201010583960A CN 102075093 B CN102075093 B CN 102075093B
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Abstract
The invention discloses an automatic high-precision voltage-stabilizing output circuit with wide-range input voltage. A power input end is connected with an insulated gate bipolar transistor (IGBT) switch power module by an input filter circuit; the control end of the IGBT switch power module is connected with an IGBT isolation drive circuit; the IGBT switch power module is respectively connected with a power inductor L2 and a diode D7; the other end of the diode D7 is connected with a voltage output end by capacitors C3 and C4; the other end of the power inductor L2 is connected with a pulse current detection output circuit; a voltage output negative end is connected with a partial pressure differential comparison circuit; the pulse current detection output circuit is connected with the negative end of an integral operational amplifier IC3; the partial pressure differential comparison circuit is connected with the positive end of the integral operational amplifier IC3; the output end of the integral operational amplifier IC3 is connected with a pulse width modulation circuit by a diode D8; and the pulse width modulation circuit is connected with the IGBT isolation drive circuit.
Description
Technical field
The present invention relates to the High Precision Automatic Circuit tuning of output voltage, specifically, relate to a kind of wide-range input voltage high-precision automatic voltage-regulation output circuit.
Background technology
Solar wind-energy and lost reusing of energy source field, exist extractible energy amplitude excursion large, four times of up and down but present inverter circuit input voltage range is only had an appointment when available energy energy amplitude is little can not work to inverter circuit the time, have just been wasted than the energy of lower value.Wide-range input voltage high-precision automatic voltage-regulation output circuit of the present invention can make the inverter circuit input voltage range bring up to octuple, and the energy of low value also can make inverter circuit normally export power supply, takes full advantage of the recycling of solar wind-energy and the lost energy.In this invention technology of the epoch of energy scarcity and low-carbon (LC) highly significant.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of wide-range input voltage high-precision automatic voltage-regulation output circuit.
The present invention adopts following technological means to realize goal of the invention:
a kind of wide-range input voltage high-precision automatic voltage-regulation output circuit, comprise the power supply multiple input modes, it is characterized in that: power input connects the C utmost point of IGBT switch power module by input filter circuit, the control end of described IGBT switch power module connects the IGBT isolated drive circuit, the E utmost point of described IGBT switch power module connects respectively power inductance L2 and diode D7, the other end of described diode D7 by and the capacitor C 3 that connects, C4 connects voltage output end, the other end of described power inductance L2 connects pulse current and detects output circuit, described Voltage-output negative terminal also is connected with the differential in partial pressures comparison circuit, described pulse current detects the negative terminal that output circuit connects integral operation amplifier IC3, described differential in partial pressures comparison circuit connects the anode of integral operation amplifier IC3, the output of described integral operation amplifier IC3 connects pulse-width modulation circuit by diode D8, described pulse-width modulation circuit connects described IGBT isolated drive circuit, described power input comprises by diode D1, D2, D3, D4, D5, the three phase rectifier bridge circuit that D6 forms, described power input comprises the direct current input, three-phase alternating current input and three kinds of input modes of single phase alternating current (A.C.) input, can receive the input of 90V-1000V direct current, the input of 70V-700V three-phase alternating current, the input of 70V-700V single phase alternating current (A.C.), described input filter circuit comprises thermistor RT and the inductance L 1 of serial connection, and described inductance L 1 and power supply are inputted between negative terminal and be connected to capacitor C 1, C2, described differential in partial pressures comparison circuit comprises the operational amplifier IC1 of divider resistance R4, R5 and polarity conversion, described operational amplifier IC1 connects the negative terminal of anti-phase input comparator IC2 by resistance R 6, described anti-phase input comparator IC2 connects the anode of described integral operation amplifier by resistance R 8, between the negative terminal of described anti-phase input comparator IC2 and output and be connected to resistance R 7 and capacitor C 8, between the negative terminal of described integral operation amplifier IC3 and output and be connected to resistance R 9 and capacitor C 9, described pulse-width modulation circuit comprises pulse width control integrated circuit die I C4, described pulse width control integrated circuit die I C4 is chip UC1525, described pulse width control integrated circuit die I C4 pin 1 connects pin 9, pin 2 contact resistance R10, pin 5,7 all connects capacitor C 10, pin 6 contact resistance R12, pin 8 connects capacitor C 11, resistance R 10 connects capacitor C 10, resistance R 12, capacitor C 11 by resistance R 11, pin 10,12 ground connection, pin 11 and pin 14 are connected to driving optocoupler TLP250 by resistance R 13 after closing ripple by diode D10, D9 respectively.
As the further restriction to the technical program,Described IGBT isolated drive circuit comprises described driving optocoupler TLP250, and described driving optocoupler TLP250 is connected to the control end of described IGBT switch power module by resistance R 1.
As the further restriction to the technical program,Described pulse current detects output circuit and comprises the instrument transformer P that is connected with described power inductance L2, described instrument transformer P connects rectifier Q, the output of described rectifier Q is contact resistance R2, R3 and capacitor C 7 respectively, and described resistance R 3 is connected to the negative terminal of described integral operation amplifier IC3.
Compared with prior art, advantage of the present invention and good effect are: stabilized voltage power supply input voltage range of the present invention can reach 10 times, output voltage stabilization, and the prime that can be used for the electricity generation systems such as solar energy, wind energy is regulated automatically, can take full advantage of natural energy resources, be a kind of new and effective circuit structure.The stabilized voltage power supply input has three kinds of input modes, and interface is easy, and circuit adopts current inner loop and voltage dicyclo to control, and has the characteristics such as the good stable output of dynamic response.
Description of drawings
Fig. 1 is the circuit theory diagrams of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the present invention is done further to describe in detail.
referring to Fig. 1, the present invention includes power input, power input connects the C utmost point of IGBT switch power module by input filter circuit, the control end of described IGBT switch power module connects the IGBT isolated drive circuit, the E utmost point of described IGBT switch power module connects respectively power inductance L2 and diode D7, the other end of described diode D7 by and the capacitor C 3 that connects, C4 connects voltage output end, the other end of described power inductance L2 connects pulse current and detects output circuit, described Voltage-output negative terminal also is connected with the differential in partial pressures comparison circuit, described pulse current detects the negative terminal that output circuit connects integral operation amplifier IC3, described differential in partial pressures comparison circuit connects the anode of integral operation amplifier IC3, the output of described integral operation amplifier IC3 connects pulse-width modulation circuit by diode D8, described pulse-width modulation circuit connects described IGBT isolated drive circuit.
Described power input comprises the three phase rectifier bridge circuit that is comprised of diode D1, D2, D3, D4, D5, D6, described power input comprises direct current input, three-phase alternating current input and three kinds of input modes of single phase alternating current (A.C.) input, can receive the input of 90V-1000V direct current, the input of 70V-700V three-phase alternating current, the input of 70V-700V single phase alternating current (A.C.).
Described input filter circuit comprises thermistor RT and the inductance L 1 of serial connection, and described inductance L 1 and power supply are inputted between negative terminal and be connected to capacitor C 1, C2.
Described IGBT isolated drive circuit comprises driving optocoupler TLP250, and described driving optocoupler TLP250 is connected to the control end of described IGBT switch power module by resistance R 1.
Described pulse current detects output circuit and comprises the instrument transformer P that is connected with described power inductance L2, described instrument transformer P connects rectifier Q, the output of described rectifier Q is contact resistance R2, R3 and capacitor C 7 respectively, and described resistance R 3 is connected to the negative terminal of described integral operation amplifier IC3.
Described differential in partial pressures comparison circuit comprises the operational amplifier IC1 of divider resistance R4, R5 and polarity conversion, described operational amplifier IC1 connects the negative terminal of anti-phase input comparator IC2 by resistance R 6, described anti-phase input comparator IC2 connects the anode of described integral operation amplifier by resistance R 8, between the negative terminal of described anti-phase input comparator IC2 and output and be connected to resistance R 7 and capacitor C 8, between the negative terminal of described integral operation amplifier IC3 and output and be connected to resistance R 9 and capacitor C 9.
Described pulse-width modulation circuit comprises pulse width control integrated circuit die I C4, pulse width control integrated circuit die I C4 is chip UC1525, described pulse width control integrated circuit die I C4 pin 1 connects pin 9, pin 2 contact resistance R10, pin 5,7 all connects capacitor C 10, pin 6 contact resistance R12, pin 8 connects capacitor C 11, resistance R 10 connects capacitor C 10, resistance R 12, capacitor C 11 by resistance R 11, pin 10,12 ground connection, pin 11 and pin 14 are connected to described driving optocoupler TLP250 by resistance R 13 after closing ripple by diode D10, D9 respectively.
Workflow of the present invention is: power input is through current limliting thermistor RT, inductance L 1, filter capacitor C1, C2, voltage is transported to the C utmost point of switch power module I GBT, under the IGBT isolated drive circuit drives, the E utmost point voltage pulse output of IGBT, power inductance L2 energy storage is when switch power module I GBT closes, there is no pulse output, at this moment power inductance L2 produces the reaction electromotive force, diode D7 conducting, and the output negative voltage is sent to output for load after capacitor C 3, C4 filtering.output voltage is through divider resistance R4, R5, the operational amplifier IC1 of polarity conversion enters the anti-phase input comparator, anti-phase input comparator IC2 compares with the set point of setting in advance, deviation voltage is sent into the anode of integral operation amplifier IC3, the electric current of power inductance L2 is through instrument transformer P simultaneously, rectifier Q, resistance R 2, capacitor C 7, resistance R 3 is sent into the negative terminal of integral operation amplifier IC3, electric current cyclization Voltage loop co-controlling in forming, inclined to one side threshold voltage through dicyclo integral operation appearance, send into pulse-width modulation circuit through isolating diode, be sent to the pulse width control input pin of IC4 through the inclined to one side threshold voltage of dicyclo integral operation appearance, pulsewidth output A and the B of IC4, through diode D9, D10, resistance R 13, the R14 pulse is sent to the IGBT isolated drive circuit after closing ripple, convert bipolar pulse to by unipolar pulse, the reliable IGBT break-make of controlling, like this, the pulse duration of IGBT output is adjusted automatically according to output voltage, keep output voltage stabilization constant.
Certainly, above-mentioned explanation is not limitation of the present invention, and the present invention also is not limited only to above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also belong to protection scope of the present invention.
Claims (3)
1. wide-range input voltage high-precision automatic voltage-regulation output circuit, comprise the power supply multiple input modes, it is characterized in that: power input connects the C utmost point of IGBT switch power module by input filter circuit, the control end of described IGBT switch power module connects the IGBT isolated drive circuit, the E utmost point of described IGBT switch power module connects respectively power inductance L2 and diode D7, the other end of described diode D7 by and the capacitor C 3 that connects, C4 connects voltage output end, the other end of described power inductance L2 connects pulse current and detects output circuit, described Voltage-output negative terminal also is connected with the differential in partial pressures comparison circuit, described pulse current detects the negative terminal that output circuit connects integral operation amplifier IC3, described differential in partial pressures comparison circuit connects the anode of integral operation amplifier IC3, the output of described integral operation amplifier IC3 connects pulse-width modulation circuit by diode D8, described pulse-width modulation circuit connects described IGBT isolated drive circuit, described power input comprises by diode D1, D2, D3, D4, D5, the three phase rectifier bridge circuit that D6 forms, described power input comprises the direct current input, three-phase alternating current input and three kinds of input modes of single phase alternating current (A.C.) input, can receive the input of 90V-1000V direct current, the input of 70V-700V three-phase alternating current, the input of 70V-700V single phase alternating current (A.C.), described input filter circuit comprises thermistor RT and the inductance L 1 of serial connection, and described inductance L 1 and power supply are inputted between negative terminal and be connected to capacitor C 1, C2, described differential in partial pressures comparison circuit comprises the operational amplifier IC1 of divider resistance R4, R5 and polarity conversion, described operational amplifier IC1 connects the negative terminal of anti-phase input comparator IC2 by resistance R 6, described anti-phase input comparator IC2 connects the anode of described integral operation amplifier by resistance R 8, between the negative terminal of described anti-phase input comparator IC2 and output and be connected to resistance R 7 and capacitor C 8, between the negative terminal of described integral operation amplifier IC3 and output and be connected to resistance R 9 and capacitor C 9, described pulse-width modulation circuit comprises pulse width control integrated circuit die I C4, described pulse width control integrated circuit die I C4 is chip UC1525, described pulse width control integrated circuit die I C4 pin 1 connects pin 9, pin 2 contact resistance R10, pin 5,7 all connects capacitor C 10, pin 6 contact resistance R12, pin 8 connects capacitor C 11, resistance R 10 connects capacitor C 10, resistance R 12, capacitor C 11 by resistance R 11, pin 10,12 ground connection, pin 11 and pin 14 are connected to driving optocoupler TLP250 by resistance R 13 after closing ripple by diode D10, D9 respectively.
2. the High Precision Automatic stabilizing output circuit of wide-range input voltage according to claim 1, it is characterized in that: described IGBT isolated drive circuit comprises described driving optocoupler TLP250, and described driving optocoupler TLP250 is connected to the control end of described IGBT switch power module by resistance R 1.
3. the High Precision Automatic stabilizing output circuit of wide-range input voltage according to claim 1, it is characterized in that: described pulse current detects output circuit and comprises the instrument transformer P that is connected with described power inductance L2, described instrument transformer P connects rectifier Q, the output of described rectifier Q is contact resistance R2, R3 and capacitor C 7 respectively, and described resistance R 3 is connected to the negative terminal of described integral operation amplifier IC3.
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| CN 201010583960 CN102075093B (en) | 2010-12-13 | 2010-12-13 | Automatic high-precision voltage-stabilizing output circuit with wide-range input voltage in wide range |
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| CN 201010583960 CN102075093B (en) | 2010-12-13 | 2010-12-13 | Automatic high-precision voltage-stabilizing output circuit with wide-range input voltage in wide range |
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| CN102075093B true CN102075093B (en) | 2013-06-05 |
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| CN103590793B (en) * | 2013-11-26 | 2016-03-16 | 中国石油集团川庆钻探工程有限公司 | For the signal detection treatment circuit of perforation ignition control circuit |
| CN104460815B (en) * | 2014-04-30 | 2016-06-22 | 贵州航天凯山石油仪器有限公司 | A kind of high temperature width input high-precision power |
| CN107863951B (en) * | 2017-12-19 | 2023-07-04 | 宁波欧罗巴科技有限公司 | IGBT (insulated Gate Bipolar transistor) |
| CN108964450B (en) * | 2018-06-01 | 2019-12-27 | 上海交通大学 | Composite circuit for connecting DC power supply to AC power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1308407A (en) * | 2000-12-26 | 2001-08-15 | 深圳市华为电气技术有限公司 | Single-phase power factor correcting step-up converter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1308407A (en) * | 2000-12-26 | 2001-08-15 | 深圳市华为电气技术有限公司 | Single-phase power factor correcting step-up converter |
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Denomination of invention: A Wide Range Input Voltage High Precision Automatic Voltage Stabilizer Output Circuit Effective date of registration: 20220812 Granted publication date: 20130605 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong Jingjiu Technology Co.,Ltd. Registration number: Y2022980012343 |
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Date of cancellation: 20230815 Granted publication date: 20130605 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong Jingjiu Technology Co.,Ltd. Registration number: Y2022980012343 |
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Denomination of invention: A Wide Range Input Voltage and High Precision Automatic Stabilizing Output Circuit Effective date of registration: 20230824 Granted publication date: 20130605 Pledgee: Ji'nan rural commercial bank Limited by Share Ltd. high tech branch Pledgor: Shandong Jingjiu Technology Co.,Ltd. Registration number: Y2023980053570 |