CN203660877U - Wide voltage input highly-efficient DC source converter for aerostat - Google Patents
Wide voltage input highly-efficient DC source converter for aerostat Download PDFInfo
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- CN203660877U CN203660877U CN201420035841.1U CN201420035841U CN203660877U CN 203660877 U CN203660877 U CN 203660877U CN 201420035841 U CN201420035841 U CN 201420035841U CN 203660877 U CN203660877 U CN 203660877U
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Abstract
The utility model discloses a wide voltage input highly-efficient DC source converter for an aerostat. The converter comprises a SuperBuck circuit, a push-pull circuit, a closed-loop control circuit, and a diode for enabling the output end of the SuperBuck circuit to be connected in series with the output end of the push-pull circuit. The SuperBuck circuit is formed by inductors, capacitors, a diode and a switching tube. The push-pull circuit is formed by switching tubes, a boost transformer, rectifier diodes, and a filter capacitor. The DC source converter has the advantages that input and output voltage polarity is the same; the main circuit device is simple; the input and output currents are continuous; the input and output are co-grounded; the current pulsation on a power supply bus and a storage battery is small; and boost /buck smooth switching can be realized.
Description
Technical field
The utility model relates to a kind of supply convertor, more particularly, refers to a kind of wide voltage input high efficiency DC power convertor that stratosphere aerostatics is used that is applicable to.
Background technology
Stratosphere aerostatics is that one is positioned at stratospheric integrated information platform, adopt aviation aircraft mentality of designing, there is larger air bag, be full of light gas (as helium), can rely on aerostatic buoyancy to carry out balance aircraft gravity, generally provide power by solar energy, overcome resistance by airscrew thrust, working depth is in about 20km, spot hover for a long time, the horizontal flight of energy low speed, mobility is better, huge for the application potential such as early warning detection, communication support, the favor of state of the Po Shou world, has become current study hotspot both domestic and external.
Shown in Figure 1, the stop in sky for a long time of stratosphere aerostatics, need to there is high performance solar batteries battle array (SA), the energy circulatory system of high specific energy batteries and power-supply controller of electric composition, wherein power-supply controller of electric (PCU) is the core of the energy circulatory system, comprise parallel regulator (SR), charging regulator (BCR), electric discharge adjuster (BDR) and error controller (MEA), its function is to coordinate solar battery array, battery-operated, when daytime, solar battery array is by the power supply of charging regulator (BCR) accumulators, BCR is control bus voltage simultaneously, when night, storage battery need to discharge adjuster (BDR) to load discharge, control bus voltage simultaneously, and wherein the function of BDR, BCR all can realize by DC power convertor.
PCU has himself feature, and the first, power demand is larger, and DC power convertor tens kilowatts to hundred kilowatts magnitudes, does not also have reciprocal reference substantially at present; Second, system requirements bus bar side voltage ripple is little, be less than 0.5%, therefore supply convertor requires output current to have continuity, and the DC power convertor of independent buck circuit (Buck), boost chopper (Boost) side discontinuous current is not also suitable for aerostatics PCU system; The 3rd, aerostatics PCU system requirements storage battery and bus public domain, therefore require DC transformating power input and output altogether, and pure isolated DC supply convertor is not suitable for aerostatics PCU system; The 4th, because the flexible thin-film solar cell of aerostatics employing at present conversion efficiency is lower, in order to bring into play to a greater extent solar cell energy utilization rate, require DC power convertor high-efficiency transfer.The 5th, solar array voltage and battery tension may fluctuate up and down in busbar voltage, and intermediate dc power conversion just needs wide region input and can realize stepping functions.
Conventional non-isolation and DC power convertor topological structure that can buck comprise buck-boost circuit (Buck/Boost), the voltage boosting-reducing circuit (Cuk circuit) of dual switch.Wherein buck-boost input and output discontinuous current, harmonic wave is large, and Electro Magnetic Compatibility is poor, and switch element voltage stress is large; In voltage boosting-reducing translation circuit, input and output inductance can improve Electro Magnetic Compatibility, but its intermediate voltage is input and output voltage sum, make switch element voltage stress large, switching loss is large, efficiency is low, and switch element current stress is twice in equal-wattage situation, and input and output polarity is contrary.
Therefore existing DC power convertor topological structure can't meet the requirement of above-mentioned aerostatics PCU system.
Summary of the invention
For the demand and prior art deficiency, the utility model provides wide voltage input efficient direct current supply convertor for a kind of aerostatics.This converter comprises SuperBuck circuit, diode, push-pull circuit, closed control circuit.The combination of these three kinds of circuit can realize wide voltage input and high efficiency conversion, and the current continuity of input and output.
It is identical that SuperBuck circuit has input and output voltage polarity, and main circuit device is simple, and input and output current continuity has advantages of that the current pulsation that power source bus and storage battery are caused is less, but can not realize boost function.
Push-pull circuit is operated in two-way magnetized state, and the operating frequency of the secondary filter switching frequency that is twice, is conducive to reduce the volume of filter, but level isolation before and after belonging to, and can only realize and boosting or step-down simple function.
The converter using SuperBuck circuit output of the utility model design is connected in series with push-pull circuit input, the output of SuperBuck circuit is connected in series by diode D12 and push-pull circuit output negative pole, can realize input and output current continuity, the non-isolation of input and output, wide region input, have and boost and buck functionality, and efficiently conversion.
The utility model is wide voltage input efficient direct current supply convertor for a kind of aerostatics, and this converter comprises SuperBuck circuit, diode D
12, push-pull circuit and for the closed control circuit of SuperBuck circuit with for the closed control circuit of push-pull circuit; Described diode D12 connects with the output of push-pull circuit for realizing SuperBuck circuit;
SuperBuck circuit is by the first inductance L
1, the first capacitor C
1, the second inductance L
2, the first diode D
11, the first switching tube M
1with the second capacitor C
2composition;
Push-pull circuit is by second switch pipe M
2with the 3rd switching tube M
3, step-up transformer T
1, the first rectifier diode D
13, the second rectifier diode D
14, the 3rd rectifier diode D
15with the 4th rectifier diode D
16, the 3rd capacitor C
3composition;
Inductance L
11 end be connected with converter input anode, inductance L
12 ends through capacitor C 1, inductance L
2be connected afterwards inductance L with converter input cathode
12 ends be connected with 1 end of switching tube M1, inductance L
22 ends after diode D11, be connected with 2 ends of switching tube M1,2 ends of switching tube M1 are connected to the negative pole of output end of converter after capacitor C 2,2 ends of switching tube M1 are connected with converter output cathode after diode D12, diode D14, diode D13, diode D16, diode D15,2 ends of switching tube M1 are connected with 2 ends of transformer T1, and 3 ends of switching tube M1 are connected with the 5th pin that drives chip U5 after resistance R 51;
1 end of switching tube M2 is connected with converter input cathode, and 3 ends of switching tube M2 are connected with the 5th pin that drives chip U10 after resistance R 101,2 ends of switching tube M2 and step-up transformer T
11 end connect;
1 end of switching tube M3 is connected with converter input cathode, and 3 ends of switching tube M3 are connected with the 5th pin that drives chip U11 after resistance R 111,2 ends of switching tube M3 and step-up transformer T
13 ends connect.
Step-up transformer T
11 end be connected with 2 ends of switching tube M2, step-up transformer T
12 ends be connected with 2 ends of switching tube M1, step-up transformer T
13 ends be connected with 2 ends of switching tube M3, step-up transformer T
14 ends be connected between diode D13 and diode 14, step-up transformer T
15 ends be connected between diode D15 and diode D16.
Diode D12 connects the output head anode of converter after diode D14, diode D13; Diode D12 connects the output head anode of converter after diode D16, diode D15;
Capacitor C 3 is connected between the positive pole and negative pole of output of converter;
The first voltage sensor VS I is for measuring the voltage between the positive and negative terminal of input of power source bus;
Second voltage transducer VS II is for measuring the voltage between the positive and negative terminal of output of power source bus;
The first current sensor CS I is for the electric current on the former limit of measuring transformer T;
The second current sensor CS II is for the output current of measurement translator T;
Given electric current is designated as I
g, given voltage is designated as U
g.
The converter of the utility model design, both can be used as charging regulator use, also can be used as electric discharge adjuster and used.
Converter of the present utility model, can be according to the magnitude relationship of input and output voltage by error amplifier and closed control circuit, realizes reduction voltage circuit and booster circuit and automatically switches.
Closed control circuit adopts two closed-loop controls of outer voltage-current inner loop, drives signal by producing PWM, is connected to the grid of three switching tubes, can either control voltage, can control again electric current.
The advantage of the utility model converter is:
(A) adopt the output of SuperBuck circuit and push-pull circuit input to be connected in series, SuperBuck circuit output cathode is connected in series by diode and push-pull circuit output negative pole, and can realize boosts takes over seamlessly with step-down.
(B) converter of the utility model design can be used as charging regulator use, also can be used as electric discharge adjuster and uses.While boosting, be equivalent to the push-pull circuit output voltage that superposes on input voltage basis, input voltage free of losses is transferred to output, can realize the high efficiency conversion while boosting.This converter boost and two stage input and output side electric currents of step-down all continuous, make Voltage-output ripple little, the current pulsation that bus and storage battery are caused is less.
(C) in the utility model, control the two closed control circuit patterns that adopt outer voltage current inner loop, current inner loop has improved the dynamic response of system, the preferential electric current loop of adjusting, coordinating Voltage loop to make circuit can have dynamic response faster can have again a less output ripple simultaneously, finally realizes constant pressure and flow output by the two closed loops of this outer voltage current inner loop.
Brief description of the drawings
Fig. 1 is the structured flowchart of conventional power source controller PCU.
Circuit topography figure when Fig. 2 is the utility model converter as electric discharge adjuster.
Fig. 2 A is the circuit topography figure of the utility model converter during as charging regulator.
Fig. 3 is the schematic diagram of SuperBuck closed control circuit of the present utility model.
Fig. 4 is schematic diagram of recommending closed control circuit of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Shown in Figure 1, in figure, SA is solar array, SA1 is first group of solar array, SA2 is second group of solar array, SAn is n group solar array, SR is parallel regulator, SR1 is first parallel regulator, second of SR2 is parallel regulator, SRn is n parallel regulator, D1 is first diode, D2 is second diode, Dn is n diode, MEA is error amplifier, BCR is charging regulator, BDR is electric discharge adjuster, Cbus is electric capacity, this capacity earth, BAT is batteries, PCU is power-supply controller of electric, PDU is distributor, dotted line is power source bus.
Daytime, solar array (SA1, SA2 ..., SAn) be on the one hand directly load supplying, pass through on the other hand charging regulator BCR and charge to batteries BAT; Solar array (SA1, SA2 ..., SAn) produce unnecessary electric energy will by parallel regulator (SR1, SR2 ..., SRn) shunt processing.In the time that load power demand need to increase, meet loading demand by increasing the power of load supplying and reducing to BCR output charge power; When bearing power demand exceed solar array (SA1, SA2 ..., SAn) when power supply capacity, batteries BAT will provide electric energy to load by electric discharge adjuster BDR.Night, loading demand power all by solar array (SA1, SA2 ..., SAn) provide by BDR.In Fig. 1, the effect of MEA be on the one hand to BDR, BCR, SR1, SR2 ..., SRn carries out working mode change, be on the other hand regulate solar battery array (SA1, SA2 ..., SAn), power-balance between batteries BAT and load.First diode D1 carries out unilateal conduction for realizing the electric energy that first group of solar array SA1 produced, second diode D2 carries out unilateal conduction for realizing the electric energy that second group of solar array SA2 produced, n diode Dn carries out unilateal conduction for realizing the electric energy that n group solar array SAn is produced, and Cbus is used for realizing power source bus voltage stabilizing.
Shown in Fig. 2, Fig. 3, Fig. 4, the utility model is wide voltage input efficient direct current supply convertor for a kind of aerostatics, and this converter comprises super reduction voltage circuit (SuperBuck), diode D12, push-pull circuit and closed control circuit;
Described diode D12 connects with the output of push-pull circuit for realizing SuperBuck circuit;
Described closed control circuit comprises SuperBuck closed control circuit and recommends closed control circuit.
Closed control circuit in the utility model is by PWM special chip SG2525A, and bipolarity integrated operational amplifier circuit is chosen LM324 chip, and NAND gate is chosen CD4011 chip (as Fig. 3 and Fig. 4).
The converter of the utility model design can be used as charging regulator use, replaces the BCR in Fig. 1; Also can be used as electric discharge adjuster use, replace the BDR in Fig. 1.The BCR below occurring or BDR refer to that the converter of the utility model design is as the explanation that refers to of charging regulator or the use of electric discharge adjuster.
Shown in Fig. 2, Fig. 2 A, in figure, VS I is the first voltage sensor, and VS II is second voltage transducer, and CS I is the first current sensor, and CS II is the second current sensor, M
1for first switching tube, M
2be second switching tube, M
3be the 3rd switching tube.In the utility model, SuperBuck circuit is by inductance L
1, capacitor C
1, inductance L
2, diode D
11, switching tube M
1and capacitor C
2composition.Push-pull circuit is by switching tube M
2with switching tube M
3, step-up transformer T
1, rectifier diode D
13, rectifier diode D
14, rectifier diode D
15with rectifier diode D
16, capacitor C
3composition.
What the utility model designed is wide voltage input efficient direct current supply convertor for a kind of aerostatics, when using converter as electric discharge adjuster BDR use: shown in Figure 2, the first voltage sensor VS I, for measuring the output voltage of batteries, is designated as BDR input voltage signal
second voltage transducer VS II, for measuring the voltage between the positive and negative terminal of output of power source bus, is designated as BDR output voltage signal
the first current sensor CS I, for the primary current of measuring transformer T1, is designated as BDR input current signal
the second current sensor CS II, for the output current of measurement translator, is designated as BDR output current signal
given electric current is designated as I
g, given voltage is designated as U
g.
What the utility model designed is wide voltage input efficient direct current supply convertor for a kind of aerostatics, in the time using converter as charging regulator BCR: shown in Fig. 2 A, the first voltage sensor VS I, for measuring the voltage between the positive and negative terminal of power source bus, is designated as BCR input voltage signal
second voltage transducer VS II, for measuring the output voltage of batteries, is designated as BCR output voltage signal
the first current sensor CS I, for the primary current of measuring transformer T1, is designated as BCR input current signal
the second current sensor CS II, for the output current of measurement translator, is designated as BCR output current signal
given electric current is designated as I
g, given voltage is designated as U
g.
SuperBuck circuit
Shown in Fig. 2, Fig. 2 A, inductance L
11 end be connected with converter input anode, inductance L
12 ends through capacitor C 1, inductance L
2be connected afterwards inductance L with converter input cathode
12 ends be connected with 1 end of switching tube M1, inductance L
22 ends after diode D11, be connected with 2 ends of switching tube M1,2 ends of switching tube M1 are connected to the negative pole of output end of converter after capacitor C 2,2 ends of switching tube M1 are connected with converter output cathode after diode D12, diode D14, diode D13, diode D16, diode D15,2 ends of switching tube M1 are connected with 2 ends of transformer T1, and 3 ends of switching tube M1 are connected with the 5th pin that drives chip U5 after resistance R 51.
In Fig. 2, the first current sensor CS I is for transformer primary side current signal (the BDR input current signal of measurement translator (while use as electric discharge adjuster)
), the second current sensor CS II (is BDR output current signal for the output current signal of measurement translator
).It (is BDR input voltage signal that the first voltage sensor VS I is used for measuring batteries output voltage signal
).Second voltage transducer VS II (is BDR output voltage signal for the output voltage signal of measuring between the positive and negative terminal of output of power source bus
).
In Fig. 2 A, the first current sensor CS I is for transformer primary side current signal (the BCR input current signal of measurement translator (while use as charging regulator)
), the second current sensor CS II (is BCR output current signal for the output current signal of measurement translator
).The first voltage sensor VS I (is BCR input voltage signal for the output voltage signal of measuring between the positive and negative terminal of output of power source bus
).It (is BCR output voltage signal that second voltage transducer VS II is used for measuring batteries output voltage signal
).
Push-pull circuit
Shown in Fig. 2, Fig. 2 A, 1 end of switching tube M2 is connected with converter input cathode, and 3 ends of switching tube M2 are connected with the 5th pin that drives chip U10 after resistance R 101,2 ends of switching tube M2 and step-up transformer T
11 end connect.
1 end of switching tube M3 is connected with converter input cathode, and 3 ends of switching tube M3 are connected with the 5th pin that drives chip U11 after resistance R 111,2 ends of switching tube M3 and step-up transformer T
13 ends connect.
Step-up transformer T
11 end be connected with 2 ends of switching tube M2, step-up transformer T
12 ends be connected with 2 ends of switching tube M1, step-up transformer T
13 ends be connected with 2 ends of switching tube M3, step-up transformer T
14 ends be connected between diode D13 and diode 14, step-up transformer T
15 ends be connected between diode D15 and diode D16.
Diode D12 connects the output head anode of converter after diode D14, diode D13; Diode D12 connects the output head anode of converter after diode D16, diode D15;
Capacitor C 3 is connected between the positive pole and negative pole of output of converter.
In the utility model, the input utmost point of the output stage of SuperBuck circuit and push-pull circuit adopts series system, and the output stage of SuperBuck circuit and the output stage of push-pull circuit are by diode D simultaneously
12realize series connection.
(A) when converter (as the electric discharge adjuster BDR used time) input voltage
greater than or equal to given voltage U
gtime
described converter is operated in decompression mode, and push-pull circuit is not worked, SuperBuck circuit working, and the output cathode of SuperBuck circuit is by diode D
12be connected to the output negative pole of push-pull circuit, realize buck functionality, now because simple SuperBuck circuit has compared with high conversion efficiency, therefore apply and when the utility model converter carries out step-down, there is higher efficiency, when converter (as the electric discharge adjuster BDR used time) input voltage
lower than given voltage U
gtime
described converter is operated in boost mode, SuperBuck circuit keeps pass-through state, described converter output voltage equals SuperBuck circuit and push-pull circuit output voltage sum, the output voltage that now output voltage of this utility model converter is equivalent to push-pull circuit adds input voltage, the loss-free output voltage terminal that is transferred to of input voltage, inefficent loss, only there is the difference of output voltage and input voltage through push-pull circuit conversion, therefore also there is higher conversion efficiency when this utility model converter boost, no matter this converter of evidence is to boost or decompression mode, conversion efficiency has all exceeded 96%.(B) when converter (as the charging regulator BCR used time) input voltage
greater than or equal to given voltage U
gtime
described converter is operated in decompression mode, and push-pull circuit is not worked, SuperBuck circuit working, and the output cathode of SuperBuck circuit is by diode D
12be connected to the output negative pole of push-pull circuit, realize buck functionality, now because simple SuperBuck circuit has compared with high conversion efficiency, therefore apply and when the utility model converter carries out step-down, there is higher efficiency, when converter (as the charging regulator BCR used time) input voltage
lower than given voltage U
gtime
described converter is operated in boost mode, SuperBuck circuit keeps pass-through state, described converter output voltage equals SuperBuck circuit and push-pull circuit output voltage sum, the output voltage that now output voltage of this utility model converter is equivalent to push-pull circuit adds input voltage, the loss-free output voltage terminal that is transferred to of input voltage, inefficent loss, only there is the difference of output voltage and input voltage through push-pull circuit conversion, therefore also there is higher conversion efficiency when this utility model converter boost, no matter this converter of evidence is to boost or decompression mode, conversion efficiency has all exceeded 96%.
In the utility model, closed control circuit adopts two closed control circuit patterns of outer voltage-current inner loop, current inner loop has improved the dynamic response to PCU, the preferential electric current loop of adjusting, still will coordinate Voltage loop to make circuit can have dynamic response faster can have again a less output ripple.
The general principle of the two closed loops of outer voltage-current inner loop: output voltage is sampled, send into amplifier and given voltage ratio, the error of output is as given value of current, the sampling of this given value of current and output current compares, obtain error signal, last error signal is delivered to PWM and is produced chip, finally realizes constant current voltage limiting output and constant voltage and current limiting output.
Constant pressure and flow output control principle: in the time of diode D33 or diode D44 conducting, circuit working is at constant current mode, and now Voltage loop is inoperative, and circuit is equivalent to monocycle control; In the time of diode D33 or diode D44 cut-off, circuit working is at constant voltage mode, and circuit adopts cascade double loop control, and electric current loop is as the interior ring of Voltage loop, and the output of Voltage loop is given as electric current loop.
Buck is switched principle: by error amplifier MEA and closed control circuit (Fig. 3 and Fig. 4) synergy:
(A) when converter (as the electric discharge adjuster BDR used time) input voltage being detected
greater than or equal to given voltage U
gtime
error amplifier MEA output signal U
cmpfor low level, now to be dragged down be zero to NAND gate U7 the 2nd pin, NAND gate 3 pin be on the occasion of, the 10th pin of same PWM generator U8 is high level, PWM generator U8 turn-offs output, now push-pull circuit turn-offs output, and finally voltage is determined by SuperBuck closed control circuit voltage given, and the output of SuperBuck circuit anode is by diode D
12be connected in series to push-pull circuit input negative pole, realize buck functionality;
Converter (as the electric discharge adjuster BDR used time) input voltage ought be detected
lower than given voltage U
gtime
described BDR is operated in boost mode, and now the voltage of SuperBuck closed control circuit is given voltage U
gnow the PWM generator of SuperBuck circuit produces full pulsewidth, driving switch pipe M1, switching tube M1 is straight-through, be equivalent to wire, inductance L 1 and capacitor C 2 add the input stage of push-pull circuit, make push-pull circuit input more steady as filtering, the electric current and voltage of recommending closed control circuit is given by error amplifier MEA, realizes boost function.
(B) when converter (as the charging regulator BCR used time) input voltage being detected
greater than or equal to given voltage U
gtime
error amplifier MEA output signal U
cmpfor low level, now to be dragged down be zero to NAND gate U7 the 2nd pin, NAND gate 3 pin be on the occasion of, the 10th pin of same PWM generator U8 is high level, PWM generator U8 turn-offs output, now push-pull circuit turn-offs output, and finally voltage is determined by SuperBuck closed control circuit voltage given, and the output of SuperBuck circuit anode is by diode D
12be connected in series to push-pull circuit input negative pole, realize buck functionality;
Converter (as the charging regulator BCR used time) input voltage ought be detected
lower than given voltage U
gtime
described BCR is operated in boost mode, and now the voltage of SuperBuck closed control circuit is given voltage U
gnow the PWM generator of SuperBuck circuit produces full pulsewidth, driving switch pipe M1, switching tube M1 is straight-through, be equivalent to wire, inductance L 1 and capacitor C 2 add the input stage of push-pull circuit, make push-pull circuit input more steady as filtering, the electric current and voltage of recommending closed control circuit is given by error amplifier MEA, realizes boost function.
Each terminal annexation for the closed control circuit of SuperBuck circuit is as follows:
Shown in Figure 3, converter (as electric discharge adjuster BDR or as charging regulator BCR) output voltage signal (
or
) through resistance R 18 ground connection, through capacitor C 17 ground connection, through resistance R 19, capacitor C 18 ground connection, after resistance R 19, be LM324 chip with operation amplifier chip U1(U1) and the 6th pin be connected; + 5V power supply is through resistance R 16, resistance R 17 ground connection, and+5V power supply is through resistance R 16, capacitor C 16 ground connection, and+5V power supply is connected with the 5th pin of operation amplifier chip U1 after resistance R 16; Converter (as electric discharge adjuster BDR or as charging regulator BCR) output current signal (
or
) through resistance R 13 ground connection, through capacitor C 12 ground connection, through resistance R 14, capacitor C 13 ground connection, after resistance R 14, be connected with the 2nd pin of operation amplifier chip U1; + 5V power supply is through resistance R 11, resistance R 12 ground connection, and+5V power supply is through resistance R 11, capacitor C 11 ground connection, and+5V power supply is connected with the 3rd pin of operation amplifier chip U1 after resistance R 11; The 1st pin of U1 and the 7th pin are through connect+5V of resistance R 15 power supply, the 1st pin of U1 and the 7th foot meridian capacitor C15 ground connection, the 1st pin, the 7th pin and the NAND gate chip U2(U1 of U1 are CD4011 chip) the 1st pin be connected, the 14th connect+5V of the pin power supply of NAND gate chip U2, the 14th foot meridian capacitor C21 ground connection of NAND gate chip U2, the 3rd pin and the PWM generator U3(U3 of NAND gate chip U2 are SG2525A) the 10th pin be connected.
Converter (as electric discharge adjuster BDR or as charging regulator BCR) output voltage signal (
or
) after resistance R 42, be LM324 chip with operation amplifier chip U4(U4) and the 6th pin be connected, capacitor C 41 is connected to the two ends of resistance R 42, converter (as electric discharge adjuster BDR or as charging regulator BCR) output voltage signal (
or
) after resistance R 42, capacitor C 43, resistance R 44, be connected with the 7th pin of operation amplifier chip U4, the 5th pin of operation amplifier chip U4 is through resistance R 41 ground connection; Given voltage U
gafter electricity group R43, be connected with the 6th pin of operation amplifier chip U4, capacitor C 42 is connected to the two ends of electricity group R43, given voltage U
gafter resistance R 43, capacitor C 43, resistance R 44, be connected with the 7th pin of operation amplifier chip U4, the 7th pin of operation amplifier chip U4 is connected with the 9th pin after resistance R 50, resistance R 48, and the 7th pin of operation amplifier chip U4 is connected with the 9th pin after resistance R 50, capacitor C 44.
Converter (as electric discharge adjuster BDR or as charging regulator BCR) output current signal (
or
) after resistance R 49, be connected with the 9th pin of operation amplifier chip U4, capacitor C 45 is connected to the two ends of resistance R 49; Given electric current I
gafter diode D3, resistance R 48, be connected with the 9th pin of operation amplifier chip U4; The 9th pin and the 8th pin of operation amplifier chip U4 are connected with resistance R 46, the 10th pin is through resistance R 47 ground connection, the 8th pin and the 3rd pin of operation amplifier chip U4 are connected with resistance R 45, the 2nd pin of operation amplifier chip U4 is connected with the 1st pin, the 1st pin of operation amplifier chip U4 is through diode D1, capacitor C 35 ground connection, and the 1st pin of operation amplifier chip U4 is connected with the 9th pin of PWM generator U3 after diode D1.
Switching tube M1 after resistance R 51 with to drive chip U5(U5 be MC33153 chip) the 5th pin be connected, the 6th connect+15V of pin power supply, ground connection after the 6th foot meridian capacitor C51, the 4th pin is through resistance R 36 ground connection, the 4th pin is connected with the 11st pin of PWM generator U3 after diode D31, drives the the the 1st, 2,3,7,8 pin of chip U5 to connect digitally.
The 2nd pin of PWM generator U3 is through connect+5V of resistance R 31 power supply, and the 1st pin is through connect+5V of resistance R 32 power supply, and the 1st pin is through resistance R 33 ground connection, the 1st foot meridian capacitor C32 ground connection; The 12nd pin ground connection, the 3rd pin is through resistance R 34 ground connection, the 13rd connect+15V of pin power supply, the 15th connect+15V of pin power supply, the 15th foot meridian capacitor C31 ground connection, the 5th foot meridian capacitor C33 ground connection, the 6th pin is through resistance R 35 ground connection, the 7th foot meridian capacitor C33 ground connection, the 8th foot meridian capacitor C34 ground connection, the 16th foot meridian capacitor C36 ground connection, the 4th foot meridian capacitor C37 ground connection, the 11st pin is through diode D31, resistance R 36 ground connection, and the 14th pin is through diode D32, resistance R 36 ground connection.
Each terminal annexation for the closed control circuit of push-pull circuit is as follows:
Shown in Figure 4, converter (as electric discharge adjuster BDR or as charging regulator BCR) output voltage signal (
or
) through resistance R 74 ground connection, through capacitor C 73 ground connection, through resistance R 75, capacitor C 74 ground connection, after resistance R 75, be LM324 chip with operation amplifier chip U6(U6) and the 13rd pin be connected; + 5V power supply is through resistance R 72, resistance R 73 ground connection, and+5V power supply is through resistance R 72, capacitor C 72 ground connection, and+5V power supply is connected with the 12nd pin of operation amplifier chip U6 after resistance R 72; Converter (as electric discharge adjuster BDR or as charging regulator BCR) output current signal (
or
) through resistance R 69 ground connection, through capacitor C 67 ground connection, through resistance R 76, capacitor C 68 ground connection, after resistance R 76, be connected with the 9th pin of operation amplifier chip U6; + 5V power supply is through resistance R 67, resistance R 68 ground connection, and+5V power supply is through resistance R 67, capacitor C 66 ground connection, and+5V power supply is connected with the 10th pin of operation amplifier chip U6 after resistance R 67; Converter (as electric discharge adjuster BDR or as charging regulator BCR) input current signal (
or
) through resistance R 63 ground connection, through capacitor C 62 ground connection, through resistance R 64, capacitor C 63 ground connection, after resistance R 64, be connected with the 2nd pin and the 5th pin of operation amplifier chip U6; + 15V power supply is through resistance R 61, resistance R 62 ground connection, and+15V power supply is through resistance R 61, capacitor C 61 ground connection, and+15V power supply is connected with the 3rd pin of operation amplifier chip U6 after resistance R 61;-15V power supply is through resistance R 65, resistance R 66 ground connection, and-15V power supply is through resistance R 65, capacitor C 64 ground connection, and-15V power supply is connected with the 6th pin of operation amplifier chip U6 after resistance R 65; The 1st pin of U6 and the 7th pin be through connect+5V of resistance R 77 power supply, and the 1st pin of U1 and the 7th foot meridian capacitor C65 ground connection, the 1st pin of U6 is CD4011 chip with the 7th pin NAND gate chip U7(U7) the 1st pin be connected; The 8th pin of U6 and the 14th pin be through connect+5V of resistance R 70 power supply, the 8th pin of U6 and the 14th foot meridian capacitor C77 ground connection, the output signal U of error controller
cmp, U6 the 2nd pin of the 8th pin, the 14th pin and NAND gate chip U7 be connected; The 14th connect+5V of the pin power supply of NAND gate chip U7, the 14th foot meridian capacitor C71 ground connection of NAND gate chip U7, the 3rd pin and the PWM generator U8(U8 of NAND gate chip U7 are SG2525A) the 10th pin be connected.
Converter (as electric discharge adjuster BDR or as charging regulator BCR) output voltage signal (
or
) after resistance R 92, be LM324 chip with operation amplifier chip U9(U9) and the 6th pin be connected, capacitor C 91 is connected to the two ends of resistance R 92, converter (as electric discharge adjuster BDR or as charging regulator BCR) output voltage signal (
or
) after resistance R 92, capacitor C 92, resistance R 94, be connected with the 7th pin of operation amplifier chip U9, the 5th pin of operation amplifier chip U9 is through resistance R 91 ground connection; Given voltage U
gafter electricity group R93, be connected with the 6th pin of operation amplifier chip U9, capacitor C 93 is connected to the two ends of electricity group R93, given voltage U
gafter resistance R 93, capacitor C 92, resistance R 94, be connected with the 7th pin of operation amplifier chip U9, the 7th pin of operation amplifier chip U9 is connected with the 9th pin after resistance R 100, resistance R 98, and the 7th pin of operation amplifier chip U9 is connected with the 9th pin after resistance R 100, capacitor C 94.
Converter (as electric discharge adjuster BDR or as charging regulator BCR) output current signal (
or
) after resistance R 99, be connected with the 9th pin of operation amplifier chip U9, capacitor C 95 is connected to the two ends of resistance R 99; Given electric current I
gthrough diode D4, resistance R 9
wbe connected with the 9th pin of operation amplifier chip U9 afterwards; The 9th pin and the 8th pin of operation amplifier chip U9 are connected with resistance R 96, the 10th pin is through resistance R 97 ground connection, the 8th pin and the 3rd pin of operation amplifier chip U9 are connected with resistance R 95, the 2nd pin of operation amplifier chip U9 is connected with the 1st pin, the 1st pin of operation amplifier chip U9 is through diode D2, capacitor C 85 ground connection, and the 1st pin of operation amplifier chip U9 is connected with the 9th pin of PWM generator U3 after diode D2.
Switching tube M2 after resistance R 101 with to drive chip U10(U10 be MC33153 chip) the 5th pin be connected, the 6th connect+15V of pin power supply, ground connection after the 6th foot meridian capacitor C101, the 4th pin is connected with the 11st pin of PWM generator U8, drives the the the 1st, 2,3,7,8 pin of chip U10 to connect digitally.
Switching tube M3 after resistance R 111 with to drive chip U11(U11 be MC33153 chip) the 5th pin be connected, the 6th connect+15V of pin power supply, ground connection after the 6th foot meridian capacitor C111, the 4th pin is connected with the 14th pin of PWM generator U8, drives the the the 1st, 2,3,7,8 pin of chip U11 to connect digitally.
The 2nd pin of PWM generator U8 is through connect+5V of resistance R 81 power supply, and the 1st pin is through connect+5V of resistance R 82 power supply, and the 1st pin is through resistance R 83 ground connection, the 1st foot meridian capacitor C82 ground connection; The 12nd pin ground connection, the 3rd pin is through resistance R 84 ground connection, the 13rd connect+15V of pin power supply, the 15th connect+15V of pin power supply, the 15th foot meridian capacitor C81 ground connection, the 5th foot meridian capacitor C83 ground connection, the 6th pin is through resistance R 85 ground connection, the 7th foot meridian capacitor C83 ground connection, the 8th foot meridian capacitor C84 ground connection, the 16th foot meridian capacitor C86 ground connection, the 4th foot meridian capacitor C87 ground connection.
Wide voltage input efficient direct current supply convertor for a kind of aerostatics of the utility model design, adopt SuperBuck circuit output cathode and push-pull circuit input positive pole to be connected in series, and SuperBuck circuit output cathode is connected in series by diode and push-pull circuit output negative pole, SuperBuck circuit output negative pole is connected with push-pull circuit input negative pole and output negative pole.
A kind of aerostatics of the utility model design is inputted efficient direct current supply convertor with wide voltage, and DC power output voltage is between its input voltage transformation range, and this converter has and boosts and buck functionality.
In the utility model, in the time that converter single-machine capacity accomplishes that 10kW is above, power supply conversion efficiency is more than 96%.This converter boost and two stage input and output side electric currents of step-down all continuous, there is good ripple coefficient.This converter closed control circuit adopts two closed control circuits of outer voltage-current inner loop, described current inner loop has improved the dynamic response of system, the preferential electric current loop of adjusting, coordinating Voltage loop to make converter closed control circuit can have dynamic response faster can have again a less output ripple simultaneously.
Claims (8)
1. a wide voltage input efficient direct current supply convertor for aerostatics, is characterized in that: this converter includes SuperBuck circuit, diode D
12, push-pull circuit and for the closed control circuit of SuperBuck circuit with for the closed control circuit of push-pull circuit; Described diode D12 connects with the output of push-pull circuit for realizing SuperBuck circuit;
SuperBuck circuit is by the first inductance L
1, the first capacitor C
1, the second inductance L
2, the first diode D
11, the first switching tube M
1with the second capacitor C
2composition;
Push-pull circuit is by second switch pipe M
2with the 3rd switching tube M
3, step-up transformer T
1, the first rectifier diode D
13, the second rectifier diode D
14, the 3rd rectifier diode D
15with the 4th rectifier diode D
16, the 3rd capacitor C
3composition;
Inductance L
11 end be connected with converter input anode, inductance L
12 ends through capacitor C 1, inductance L
2be connected afterwards inductance L with converter input cathode
12 ends be connected with 1 end of switching tube M1, inductance L
22 ends after diode D11, be connected with 2 ends of switching tube M1,2 ends of switching tube M1 are connected to the negative pole of output end of converter after capacitor C 2,2 ends of switching tube M1 are connected with converter output cathode after diode D12, diode D14, diode D13, diode D16, diode D15,2 ends of switching tube M1 are connected with 2 ends of transformer T1, and 3 ends of switching tube M1 are connected with the 5th pin that drives chip U5 after resistance R 51;
1 end of switching tube M2 is connected with converter input cathode, and 3 ends of switching tube M2 are connected with the 5th pin that drives chip U10 after resistance R 101,2 ends of switching tube M2 and step-up transformer T
11 end connect;
1 end of switching tube M3 is connected with converter input cathode, and 3 ends of switching tube M3 are connected with the 5th pin that drives chip U11 after resistance R 111,2 ends of switching tube M3 and step-up transformer T
13 ends connect;
Step-up transformer T
11 end be connected with 2 ends of switching tube M2, step-up transformer T
12 ends be connected with 2 ends of switching tube M1, step-up transformer T
13 ends be connected with 2 ends of switching tube M3, step-up transformer T
14 ends be connected between diode D13 and diode 14, step-up transformer T
15 ends be connected between diode D15 and diode D16;
Diode D12 connects the output head anode of converter after diode D14, diode D13; Diode D12 connects the output head anode of converter after diode D16, diode D15;
Capacitor C 3 is connected between the positive pole and negative pole of output of converter;
The first voltage sensor VS I is for measuring the voltage between the positive and negative terminal of input of power source bus;
Second voltage transducer VS II is for measuring the voltage between the positive and negative terminal of output of power source bus;
The first current sensor CS I is for the electric current on the former limit of measuring transformer T;
The second current sensor CS II is for the output current of measurement translator T;
Given electric current is designated as I
g, given voltage is designated as U
g.
2. wide voltage input efficient direct current supply convertor for a kind of aerostatics according to claim 1, it is characterized in that: in the closed control circuit of SuperBuck circuit, the output voltage signal of converter is through resistance R 18 ground connection, through capacitor C 17 ground connection, through resistance R 19, capacitor C 18 ground connection, after resistance R 19, be connected with the 6th pin of operation amplifier chip U1; + 5V power supply is through resistance R 16, resistance R 17 ground connection, and+5V power supply is through resistance R 16, capacitor C 16 ground connection, and+5V power supply is connected with the 5th pin of operation amplifier chip U1 after resistance R 16; The input current signal of converter, through resistance R 13 ground connection, through capacitor C 12 ground connection, through resistance R 14, capacitor C 13 ground connection, is connected with the 2nd pin of operation amplifier chip U1 after resistance R 14; + 5V power supply is through resistance R 11, resistance R 12 ground connection, and+5V power supply is through resistance R 11, capacitor C 11 ground connection, and+5V power supply is connected with the 3rd pin of operation amplifier chip U1 after resistance R 11; The 1st pin of U1 and the 7th pin are through connect+5V of resistance R 15 power supply, the 1st pin of U1 and the 7th foot meridian capacitor C15 ground connection, the 1st pin of the 1st pin, the 7th pin and the NAND gate chip U2 of U1 is connected, the 14th connect+5V of the pin power supply of NAND gate chip U2, the 14th foot meridian capacitor C21 ground connection of NAND gate chip U2, the 3rd pin of NAND gate chip U2 is connected with the 10th pin of PWM generator U3;
The output voltage signal of converter is connected with the 6th pin of operation amplifier chip U4 after resistance R 42, capacitor C 41 is connected to the two ends of resistance R 42, the output voltage signal of converter is connected with the 7th pin of operation amplifier chip U4 after resistance R 42, capacitor C 43, resistance R 44, and the 5th pin of operation amplifier chip U4 is through resistance R 41 ground connection; Given voltage U
gafter resistance R 43, be connected with the 6th pin of operation amplifier chip U4, capacitor C 42 is connected to the two ends of electricity group R43, given voltage U
gafter resistance R 43, capacitor C 43, resistance R 44, be connected with the 7th pin of operation amplifier chip U4, the 7th pin of operation amplifier chip U4 is connected with the 9th pin after resistance R 50, resistance R 48, and the 7th pin of operation amplifier chip U4 is connected with the 9th pin after resistance R 50, capacitor C 44;
The output current signal of converter is connected with the 9th pin of operation amplifier chip U4 after resistance R 49, and capacitor C 45 is connected to the two ends of resistance R 49; Given electric current I
gafter diode D3, resistance R 48, be connected with the 9th pin of operation amplifier chip U4; The 9th pin and the 8th pin of operation amplifier chip U4 are connected with resistance R 46, the 10th pin is through resistance R 47 ground connection, the 8th pin and the 3rd pin of operation amplifier chip U4 are connected with resistance R 45, the 2nd pin of operation amplifier chip U4 is connected with the 1st pin, the 1st pin of operation amplifier chip U4 is through diode D1, capacitor C 35 ground connection, and the 1st pin of operation amplifier chip U4 is connected with the 9th pin of PWM generator U3 after diode D1;
Switching tube M1 is connected with the 5th pin that drives chip U5 after resistance R 51, the 6th connect+15V of pin power supply, ground connection after the 6th foot meridian capacitor C51, the 4th pin is through resistance R 36 ground connection, the 4th pin is connected with the 11st pin of PWM generator U3 after diode D31, drives the the the 1st, 2,3,7,8 pin of chip U5 to connect digitally;
The 2nd pin of PWM generator U3 is through connect+5V of resistance R 31 power supply, and the 1st pin is through connect+5V of resistance R 32 power supply, and the 1st pin is through resistance R 33 ground connection, the 1st foot meridian capacitor C32 ground connection; The 12nd pin ground connection, the 3rd pin is through resistance R 34 ground connection, the 13rd connect+15V of pin power supply, the 15th connect+15V of pin power supply, the 15th foot meridian capacitor C31 ground connection, the 5th foot meridian capacitor C33 ground connection, the 6th pin is through resistance R 35 ground connection, the 7th foot meridian capacitor C33 ground connection, the 8th foot meridian capacitor C34 ground connection, the 16th foot meridian capacitor C36 ground connection, the 4th foot meridian capacitor C37 ground connection, the 11st pin is through diode D31, resistance R 36 ground connection, and the 14th pin is through diode D32, resistance R 36 ground connection.
3. wide voltage input efficient direct current supply convertor for a kind of aerostatics according to claim 1, it is characterized in that: in the closed control circuit of push-pull circuit, the output voltage signal of converter is through resistance R 74 ground connection, through capacitor C 73 ground connection, through resistance R 75, capacitor C 74 ground connection, after resistance R 75, be connected with the 13rd pin of operation amplifier chip U6; + 5V power supply is through resistance R 72, resistance R 73 ground connection, and+5V power supply is through resistance R 72, capacitor C 72 ground connection, and+5V power supply is connected with the 12nd pin of operation amplifier chip U6 after resistance R 72; The output current signal of converter, through resistance R 69 ground connection, through capacitor C 67 ground connection, through resistance R 76, capacitor C 68 ground connection, is connected with the 9th pin of operation amplifier chip U6 after resistance R 76; + 5V power supply is through resistance R 67, resistance R 68 ground connection, and+5V power supply is through resistance R 67, capacitor C 66 ground connection, and+5V power supply is connected with the 10th pin of operation amplifier chip U6 after resistance R 67; The input current signal of converter, through resistance R 63 ground connection, through capacitor C 62 ground connection, through resistance R 64, capacitor C 63 ground connection, is connected with the 2nd pin and the 5th pin of operation amplifier chip U6 after resistance R 64; + 15V power supply is through resistance R 61, resistance R 62 ground connection, and+15V power supply is through resistance R 61, capacitor C 61 ground connection, and+15V power supply is connected with the 3rd pin of operation amplifier chip U6 after resistance R 61;-15V power supply is through resistance R 65, resistance R 66 ground connection, and-15V power supply is through resistance R 65, capacitor C 64 ground connection, and-15V power supply is connected with the 6th pin of operation amplifier chip U6 after resistance R 65; The 1st pin of U6 and the 7th pin be through connect+5V of resistance R 77 power supply, the 1st pin of U1 and the 7th foot meridian capacitor C65 ground connection, and the 1st pin of the 1st pin, the 7th pin and the NAND gate chip U7 of U6 is connected; The 8th pin of U6 and the 14th pin be through connect+5V of resistance R 70 power supply, the 8th pin of U6 and the 14th foot meridian capacitor C77 ground connection, and the 2nd pin of the 8th pin, the 14th pin and the NAND gate chip U7 of U6 is connected; The 14th connect+5V of the pin power supply of NAND gate chip U7, the 14th foot meridian capacitor C71 ground connection of NAND gate chip U7, the 3rd pin and the PWM generator U8(U8 of NAND gate chip U7 are SG2525A) the 10th pin be connected;
The output voltage signal of converter is connected with the 6th pin of operation amplifier chip U9 after resistance R 92, capacitor C 91 is connected to the two ends of resistance R 92, the output voltage signal of converter is connected with the 7th pin of operation amplifier chip U9 after resistance R 92, capacitor C 92, resistance R 94, and the 5th pin of operation amplifier chip U9 is through resistance R 91 ground connection; Given voltage U
gafter resistance R 93, be connected with the 6th pin of operation amplifier chip U9, capacitor C 93 is connected to the two ends of electricity group R93, given voltage U
gafter resistance R 93, capacitor C 92, resistance R 94, be connected with the 7th pin of operation amplifier chip U9, the 7th pin of operation amplifier chip U9 is connected with the 9th pin after resistance R 100, resistance R 98, and the 7th pin of operation amplifier chip U9 is connected with the 9th pin after resistance R 100, capacitor C 94;
The output current signal of converter is connected with the 9th pin of operation amplifier chip U9 after resistance R 99, and capacitor C 95 is connected to the two ends of resistance R 99; Given electric current I
gafter diode D4, resistance R 98, be connected with the 9th pin of operation amplifier chip U9; The 9th pin and the 8th pin of operation amplifier chip U9 are connected with resistance R 96, the 10th pin is through resistance R 97 ground connection, the 8th pin and the 3rd pin of operation amplifier chip U9 are connected with resistance R 95, the 2nd pin of operation amplifier chip U9 is connected with the 1st pin, the 1st pin of operation amplifier chip U9 is through diode D2, capacitor C 85 ground connection, and the 1st pin of operation amplifier chip U9 is connected with the 9th pin of PWM generator U3 after diode D2;
Switching tube M2 is connected with the 5th pin that drives chip U10 after resistance R 101, the 6th connect+15V of pin power supply, and ground connection after the 6th foot meridian capacitor C101, the 4th pin is connected with the 11st pin of PWM generator U8, drives the the the 1st, 2,3,7,8 pin of chip U10 to connect digitally;
Switching tube M3 is connected with the 5th pin that drives chip U11 after resistance R 111, the 6th connect+15V of pin power supply, and ground connection after the 6th foot meridian capacitor C111, the 4th pin is connected with the 14th pin of PWM generator U8, drives the the the 1st, 2,3,7,8 pin of chip U11 to connect digitally;
The 2nd pin of PWM generator U8 is through connect+5V of resistance R 81 power supply, and the 1st pin is through connect+5V of resistance R 82 power supply, and the 1st pin is through resistance R 83 ground connection, the 1st foot meridian capacitor C82 ground connection; The 12nd pin ground connection, the 3rd pin is through resistance R 84 ground connection, the 13rd connect+15V of pin power supply, the 15th connect+15V of pin power supply, the 15th foot meridian capacitor C81 ground connection, the 5th foot meridian capacitor C83 ground connection, the 6th pin is through resistance R 85 ground connection, the 7th foot meridian capacitor C83 ground connection, the 8th foot meridian capacitor C84 ground connection, the 16th foot meridian capacitor C86 ground connection, the 4th foot meridian capacitor C87 ground connection.
4. wide voltage input efficient direct current supply convertor for a kind of aerostatics according to claim 1, it is characterized in that: adopt SuperBuck circuit output cathode and push-pull circuit input positive pole to be connected in series, and SuperBuck circuit output cathode is connected in series by diode and push-pull circuit output negative pole, SuperBuck circuit output negative pole is connected with push-pull circuit input negative pole and output negative pole.
5. wide voltage input efficient direct current supply convertor for a kind of aerostatics according to claim 1, is characterized in that: DC power output voltage is between its input voltage transformation range, and this converter has and boosts and buck functionality.
6. wide voltage input efficient direct current supply convertor for a kind of aerostatics according to claim 1, is characterized in that: in the time that converter single-machine capacity accomplishes that 10kW is above, power supply conversion efficiency is more than 96%.
7. wide voltage input efficient direct current supply convertor for a kind of aerostatics according to claim 1, is characterized in that: this converter boost and two stage input and output side electric currents of step-down all continuous, there is good ripple coefficient.
8. wide voltage input efficient direct current supply convertor for a kind of aerostatics according to claim 1, it is characterized in that: this converter closed control circuit adopts two closed control circuits of outer voltage-current inner loop, described current inner loop has improved the dynamic response of system, the preferential electric current loop of adjusting, coordinating Voltage loop to make converter closed control circuit can have dynamic response faster can have again a less output ripple simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420035841.1U CN203660877U (en) | 2013-09-09 | 2014-01-20 | Wide voltage input highly-efficient DC source converter for aerostat |
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| CN201310407644.8 | 2013-09-09 | ||
| CN201310407644 | 2013-09-09 | ||
| CN201420035841.1U CN203660877U (en) | 2013-09-09 | 2014-01-20 | Wide voltage input highly-efficient DC source converter for aerostat |
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| CN203660877U true CN203660877U (en) | 2014-06-18 |
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| CN201420035841.1U Withdrawn - After Issue CN203660877U (en) | 2013-09-09 | 2014-01-20 | Wide voltage input highly-efficient DC source converter for aerostat |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762840A (en) * | 2013-09-09 | 2014-04-30 | 中国科学院光电研究院 | Wide-voltage-input efficient direct-current power converter for aerostat |
| CN111817550A (en) * | 2020-06-01 | 2020-10-23 | 湖南大学 | Low EMI Boost converter |
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| CN105592596A (en) * | 2016-03-08 | 2016-05-18 | 李香龙 | Common capacitor buck-boost LED driving power supply |
| CN106059298B (en) * | 2016-06-27 | 2023-10-13 | 深圳维普创新科技有限公司 | Boost-buck converter and method |
| CN106329926B (en) * | 2016-10-08 | 2018-12-07 | 中国科学院光电研究院 | One kind being suitable for stratosphere aerostatics with distributed high power density electric power conversion apparatus |
| CN106452067B (en) * | 2016-10-08 | 2019-03-15 | 中国科学院光电研究院 | A kind of balloon borne supply convertor of captive balloon |
| CN106655825A (en) * | 2016-12-02 | 2017-05-10 | 杭州明特科技有限公司 | Switching power supply of electric energy meter |
| CN106655366B (en) * | 2016-12-13 | 2019-09-20 | 中国电子科技集团公司第十八研究所 | Control circuit of storage battery charge-discharge regulator for satellite power supply |
| CN106972570B (en) * | 2017-04-14 | 2020-06-19 | 南通大学 | Design method of direct-current slow-charging pile and robust controller suitable for large parking lot |
| CN109617413B (en) * | 2019-01-30 | 2024-03-01 | 上海艾为电子技术股份有限公司 | Boost chip and mode switching circuit thereof |
| CN111525802B (en) * | 2019-02-01 | 2021-08-06 | 台达电子工业股份有限公司 | Conversion device |
| CN111525803B (en) | 2019-02-01 | 2021-10-26 | 台达电子工业股份有限公司 | Conversion device |
| CN112701909A (en) * | 2020-12-15 | 2021-04-23 | 深圳市航天新源科技有限公司 | Combined circuit of voltage type push-pull converter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2824203B1 (en) * | 2001-04-27 | 2003-06-13 | Agence Spatiale Europeenne | POWER SUPPLY CONVERTER |
| CN100353654C (en) * | 2003-11-19 | 2007-12-05 | 南京航空航天大学 | Cascading bidirectional DC-DC converter |
| CN101841170B (en) * | 2008-12-25 | 2016-04-27 | 厦门蓝溪科技有限公司 | A kind of storage battery parallel power supply method |
| CN102291015A (en) * | 2011-07-22 | 2011-12-21 | 上海交通大学 | Uncontrolled rectification-direct-current push-pull inversion AC-DC (alternating current-to-direct current) converter |
| CN103762840B (en) * | 2013-09-09 | 2016-02-10 | 中国科学院光电研究院 | A kind of aerostatics Width funtion input efficient direct current supply convertor |
-
2014
- 2014-01-20 CN CN201410025860.0A patent/CN103762840B/en active Active
- 2014-01-20 CN CN201420035841.1U patent/CN203660877U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762840A (en) * | 2013-09-09 | 2014-04-30 | 中国科学院光电研究院 | Wide-voltage-input efficient direct-current power converter for aerostat |
| CN103762840B (en) * | 2013-09-09 | 2016-02-10 | 中国科学院光电研究院 | A kind of aerostatics Width funtion input efficient direct current supply convertor |
| CN111817550A (en) * | 2020-06-01 | 2020-10-23 | 湖南大学 | Low EMI Boost converter |
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| Publication number | Publication date |
|---|---|
| CN103762840A (en) | 2014-04-30 |
| CN103762840B (en) | 2016-02-10 |
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| C14 | Grant of patent or utility model | ||
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