CN102157970A - High-transformation ratio isolated solar charging controller with MPPT function - Google Patents
High-transformation ratio isolated solar charging controller with MPPT function Download PDFInfo
- Publication number
- CN102157970A CN102157970A CN2011100981225A CN201110098122A CN102157970A CN 102157970 A CN102157970 A CN 102157970A CN 2011100981225 A CN2011100981225 A CN 2011100981225A CN 201110098122 A CN201110098122 A CN 201110098122A CN 102157970 A CN102157970 A CN 102157970A
- Authority
- CN
- China
- Prior art keywords
- pin
- output
- resistance
- circuit
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
Landscapes
- Amplifiers (AREA)
- Dc-Dc Converters (AREA)
Abstract
The invention relates to a charging controller technology, in particular to a high-transformation ratio isolated solar charging controller with a maximum power point tracking (MPPT) function. The controller comprises a microprocessor, a pulse width modulation (PWM) unit and a switching tube unit, and also comprises a first voltage sampling circuit, a first current detection circuit, a second voltage sampling circuit, an isolation driving circuit and a high-frequency switching transformer, wherein the first voltage sampling circuit is used for sampling an output voltage of a solar battery; the first current detection circuit is used for sampling an output current of the solar battery; and the second voltage sampling circuit is used for sampling a voltage of a storage battery. The controller can realize dual intelligent charging control of MPPT+ system on chip (SOC); moreover, the controller can avoid a breakdown accident and a thermal damage accident of the switching tube when the output voltage of the solar battery is very high but the voltage level of the storage battery configured by a user is very low; therefore, the controller is suitable for solar power generation systems, such as an amorphous silicon membrane solar battery power generation system, with a very high solar battery output voltage and a very low storage battery voltage level.
Description
Technical field
The present invention relates to the charge controller technology, relate in particular to a kind of large velocity ratio isolated form solar charging controller of the MPPT of having function.
Background technology
Along with the poorness day by day of earth resource, the cost of investment of basic energy resource is climbed to a higher point day by day, and people begin to pay attention to gradually the application and the exploitation of solar energy.Solar energy is primary energy, is again regenerative resource, and its aboundresources both can freely use, and need not transportation again, and environment is not had any pollution, for the mankind have created a kind of new lifestyle, makes society and the human epoch that enter an energy savings minimizing pollution.
At present, solar charging controller all is based on the conversion of Buck(buck mostly) the voltage-dropping type charge controller of circuit topology type, it directly adopts the switching tube circuit that the output voltage of solar cell is carried out charging a battery and powering to the load after the step-down.A critical defect of such solar charging controller is, when the solar cell output voltage is very high and user configured battery tension grade when very low, for example: when adopting thin-film solar cells, the output voltage of monolithic films solar cell can be up to more than the 100V, and user configured when being the storage battery of 12V electric pressure, the input voltage of charge controller and output voltage exist the huge voltage difference of 80V; When adopting the PWM mode to charge, the huge voltage difference of 80V multiply by the loss that electric current is exactly a switching tube, can imagine that how huge this loss is, can cause the switching tube heating extremely serious, the switching tube temperature is sharply risen, and then very easily cause the generation of charge circuit switching tube breakdown and cause thermal damage accident.Therefore, in these cases, the solar charging controller of conventional Buck type is difficult to satisfy user's instructions for use.
Summary of the invention
The objective of the invention is to provide a kind of very high and junior MPPT(Maximum of the having Power of the battery tension Point Tracking of solar cell output voltage, MPPT maximum power point tracking of being applicable at the deficiencies in the prior art) the large velocity ratio isolated form solar charging controller of function.
Purpose of the present invention realizes by following technical measures: a kind of large velocity ratio isolated form solar charging controller with MPPT function, it includes microprocessor, PWM(Pulse Width Modulation, pulse width modulation) modulating unit, switching tube unit also comprise first current detection circuit of first voltage sampling circuit of the solar cell output voltage that is used to sample, the solar cell output current that is used to sample, second voltage sampling circuit, isolated drive circuit, the high frequency switch transformer of the battery tension that is used to sample;
The first input end of described first voltage sampling circuit is connected with the cathode output end of solar cell, second input of described first voltage sampling circuit is connected with the cathode output end of solar cell, and the output of described first voltage sampling circuit is connected with an AD port of described microprocessor;
First test side of described first current detection circuit is connected with second input of described switching tube unit, second test side of described first current detection circuit is connected with the cathode output end of solar cell, the first input end of described switching tube unit is connected with the cathode output end of solar cell, and the output of described first current detection circuit is connected with the 2nd AD port of described microprocessor;
The first input end of described second voltage sampling circuit is connected with the electrode input end of storage battery, second input of described second voltage sampling circuit is connected with the negative input of storage battery, and the output of described second voltage sampling circuit is connected with the 3rd AD port of described microprocessor;
The DA port of described microprocessor is connected with the input of described PWM modulating unit, the one IO port of described microprocessor is connected with the soft start port of described PWM modulating unit, the output of described PWM modulating unit is connected with the input of described isolated drive circuit, and the output of described isolated drive circuit is connected with the input control port of described switching tube unit;
The output of described switching tube unit is connected with the former limit of described high frequency switch transformer, the first secondary output of described high frequency switch transformer is connected with the electrode input end of storage battery, and the second secondary output of described high frequency switch transformer is connected with the negative input of storage battery.
Further comprise second current detection circuit, first test side of described second current detection circuit is connected with the negative pole end of loading interfaces, second test side of described second current detection circuit is connected with the negative input of storage battery, and the output of described second current detection circuit is connected with the 4th AD port of described microprocessor.
Further comprise the load switch drive circuit, be connected with load switching circuit between first test side of described second current detection circuit and the negative pole end of loading interfaces, first port of described load switching circuit is connected with the negative pole end of loading interfaces, and second port of described load switching circuit is connected with first test side of described second current detection circuit; The input of described load switch drive circuit is connected with the 2nd IO port of described microprocessor, and the output of described load switch drive circuit is connected with the 3rd port of described load switching circuit.
Be connected with the DA signal amplification circuit between the DA port of described microprocessor and the input of described PWM modulating unit, the input of described DA signal amplification circuit is connected with the DA port of described microprocessor, and the output of described DA signal amplification circuit is connected with the input of described PWM modulating unit.
Be connected with first isolating amplifier circuit between the one AD port of the output of described first voltage sampling circuit and described microprocessor, the input of described first isolating amplifier circuit is connected with the output of described first voltage sampling circuit, and the output of described first isolating amplifier circuit is connected with an AD port of described microprocessor; Be connected with second isolating amplifier circuit between the 2nd AD port of the output of described first current detection circuit and described microprocessor, the input of described second isolating amplifier circuit is connected with the output of described first current detection circuit, and the output of described second isolating amplifier circuit is connected with the 2nd AD port of described microprocessor.
Described switching tube unit is a H bridge switch pipe unit, the first input end of described switching tube unit is the last brachium pontis dc bus electrode input end of H bridge switch pipe unit, second input of described switching tube unit is the following brachium pontis dc bus negative input of H bridge switch pipe unit, and the input control port of described switching tube unit is the input control port of H bridge switch pipe unit; First output of described H bridge switch pipe unit is connected with an end on the former limit of high frequency switch transformer, and second output of described H bridge switch pipe unit is connected with the other end on the former limit of high frequency switch transformer.
Be provided with rectification filtering unit between the secondary output of described high frequency switch transformer and the storage battery, the first input end of described rectification filtering unit is connected with the first secondary output of described high frequency switch transformer, second input of described rectification filtering unit is connected with the second secondary output of described high frequency switch transformer, first output of described rectification filtering unit is connected with the electrode input end of storage battery, and second output of described rectification filtering unit is connected with the negative input of storage battery.
Further comprise lightning protection circuit, temperature sensor, key circuit, LED(light-emitting diode) ﹠amp; The LCD(LCD) display circuit, described lightning protection circuit is connected between the cathode output end and cathode output end of solar cell, described temperature sensor is connected with the 5th AD port of described microprocessor, described key circuit is connected described LED﹠amp with the 3rd IO port set of described microprocessor; The LCD display circuit is connected with the 4th IO port set of described microprocessor.
Described PWM modulating unit comprises resistance R 14, R15, R16, R17, R18, R19, R20, R21, R22, capacitor C 6, C7, C8, C9, C10, triode Q1, PWM modulation chip U5; Described isolated drive circuit comprises triode Q2, Q3, Q4, Q5, isolation drive transformer T1; 12 pin of described PWM modulation chip U5,10 pin all with logically are connected, resistance R 15 1 ends are the soft start port of described PWM modulating unit, one end of the other end of resistance R 15 and resistance R 16, the base stage of triode Q1 connects, the other end of resistance R 16, the emitter of triode Q1 with logically be connected, soft start pin 8 pin of the collector electrode of triode Q1 and PWM modulation chip U5, resistance R 17 1 ends connect, the other end of resistance R 17 is connected with the positive pole of capacitor C 9, the negative pole of capacitor C 9 with logically be connected, 3 pin of PWM modulation chip U5 pass through resistance R 18 and logically are connected, 5 pin of PWM modulation chip U5 are connected with 7 pin by resistance R 19,5 pin of PWM modulation chip U5 pass through capacitor C 10 and logically are connected, 6 pin of PWM modulation chip U5 pass through resistance R 20 and logically are connected, resistance R 14 1 ends are the input of described PWM modulating unit 900, in-phase input end 2 pin of the other end of resistance R 14 and PWM modulation chip U5, capacitor C 8 one ends connect, the other end of capacitor C 8 with logically be connected, inverting input 1 pin and its compensation of PWM modulation chip U5 hold 9 pin to be connected, reference voltage end 16 pin of PWM modulation chip U5 and+5V reference voltage, capacitor C 6 one ends connect, the other end of capacitor C 6 with logically be connected, 13 pin of PWM modulation chip U5,15 pin, capacitor C 7 one ends all are connected with+12V power supply, the other end of capacitor C 7 with logically be connected, A channel drive signal output 11 pin of PWM modulation chip U5 are by the base stage of resistance R 21 with triode Q2, the base stage of triode Q3 connects, and B channels drive signal output part 14 pin of PWM modulation chip U5 are by the base stage of resistance R 22 with triode Q4, the base stage of triode Q5 connects; The collector electrode of described triode Q2, the collector electrode of triode Q4 all is connected with power supply, the emitter of the emitter of triode Q2 and triode Q3,1 pin of isolation drive transformer T1 connects, the emitter of the emitter of triode Q4 and triode Q5,2 pin of isolation drive transformer T1 connect, the collector electrode of triode Q3, the collector electrode of triode Q5 all with logically is connected, 1 pin of isolation drive transformer T1,3 pin, 5 pin, 7 pin, 9 pin are end of the same name, 3 pin of isolation drive transformer T1,4 pin, 5 pin, 6 pin, 7 pin, 8 pin, 9 pin, 10 pin are the output of described isolated drive circuit 1000.
Described first voltage sampling circuit comprises resistance R 1, R2, R3, R4, R5, R6, R7, R8, capacitor C 1, C2, operational amplifier U1A, operational amplifier U1B; Described first isolating amplifier circuit comprises resistance R 9, capacitor C 3, operational amplifier U3A, linear optical coupling U2; Described resistance R 1 one ends are the first input end of described first voltage sampling circuit, resistance R 4 one ends are second input of described first voltage sampling circuit, the other end of resistance R 1 is connected with resistance R 2 one ends, in-phase input end 3 pin of the other end of resistance R 2 and operational amplifier U1A, resistance R 3 one ends connect, the other end of resistance R 4 is connected with resistance R 5 one ends, inverting input 2 pin of the other end of resistance R 5 and operational amplifier U1A, resistance R 6 one ends, capacitor C 1 one ends connect, the other end of resistance R 6, the other end of capacitor C 1, resistance R 7 one ends all are connected with output 1 pin of operational amplifier U1A, in-phase input end 6 pin of the other end of resistance R 7 and operational amplifier U1B, capacitor C 2 one ends, 3 pin of linear optical coupling U2 connect, the other end of capacitor C 2 and resistance R 8 one ends, output 7 pin of operational amplifier U1B connect, the other end of resistance R 8 is connected with 1 pin of linear optical coupling U2, in-phase input end 3 pin of 6 pin of linear optical coupling U2 and operational amplifier U3A, resistance R 9 one ends, capacitor C 3 one ends connect, the other end of resistance R 9, the other end of capacitor C 3 all is connected with output 1 pin of operational amplifier U3A, output 1 pin of operational amplifier U3A is the output of described first isolating amplifier circuit 500, power end 8 pin of operational amplifier U1A, 2 pin of linear optical coupling U2 all are connected with+12VP power supply, power end 8 pin of operational amplifier U3A are connected with+5V power supply, the other end of resistance R 3, earth terminal 4 pin of operational amplifier U1A, inverting input 5 pin of operational amplifier U1B, 4 pin of linear optical coupling U2 all are connected with power supply ground PGND1,5 pin of linear optical coupling U2, inverting input 2 pin of operational amplifier U3A, earth terminal 4 pin of operational amplifier U3A all are connected with simulation ground AGND; Described DA signal amplification circuit comprises resistance R 10, R11, R12, R13, capacitor C 4, C5, operational amplifier U4A, U4B; Described resistance R 10 1 ends are the input of described DA signal amplification circuit 800, in-phase input end 3 pin of the other end of resistance R 10 and operational amplifier U4A, capacitor C 4 one ends, resistance R 11 1 ends connect, inverting input 2 pin of resistance R 12 1 ends and operational amplifier U4A, resistance R 13 1 ends, capacitor C 5 one ends connect, the other end of resistance R 13, the other end of capacitor C 5, output 1 pin of operational amplifier U4A all is connected with in-phase input end 6 pin of operational amplifier U4 B, inverting input 5 pin of operational amplifier U4 B are connected with output 7 pin of operational amplifier U4 B, output 7 pin of operational amplifier U4 B are the output of described DA signal amplification circuit, power end 8 pin of operational amplifier U4A are connected the other end of capacitor C 4 with+12V power supply, the other end of resistance R 11, earth terminal 4 pin of operational amplifier U4A, the other end of resistance R 12 all is connected with simulation ground AGND.
Beneficial effect of the present invention is: the present invention includes microprocessor, PWM modulating unit, switching tube unit, also comprised first current detection circuit of first voltage sampling circuit of the solar cell output voltage that is used to sample, the solar cell output current that is used to sample, second voltage sampling circuit, isolated drive circuit, the high frequency switch transformer of the battery tension that is used to sample; Microprocessor of the present invention can pass through first voltage sampling circuit, first current detection circuit, sample the respectively output voltage of solar cell of second voltage sampling circuit, the output current of solar cell, battery tension, again by the microprocessor computing, produce isolated drive circuit, the signal of the switch control of charge circuits such as switching tube unit and high frequency switch transformer, and input to the PWM modulating unit, duty ratio with the pwm signal of control PWM modulating unit output, thereby regulate the output voltage and the electric current of high frequency switch transformer, realize the dual intelligent charge control of " MPPT+ SOC "; And, the present invention is that control switch pipe unit and high frequency switch transformer are charge in batteries by the pwm signal control isolated drive circuit of PWM modulating unit output, form the charging control mode of isolated form, making solar cell is not to be charge in batteries by the switching tube unit directly, thereby avoid when the solar cell output voltage is very high and the generation of user configured battery tension grade switching tube breakdown and cause thermal damage accident when very low, therefore, the present invention is applicable to the very high and junior solar power system of battery tension of solar cell output voltage, as the amorphous silicon thin-film solar cell electricity generation system.
Description of drawings
Fig. 1 is the block diagram of the large velocity ratio isolated form solar charging controller of a kind of MPPT of having function of the present invention.
Fig. 2 is the PWM modulating unit of large velocity ratio isolated form solar charging controller of a kind of MPPT of having function of the present invention and the circuit theory diagrams of isolated drive circuit.
Fig. 3 is first voltage sampling circuit of large velocity ratio isolated form solar charging controller of a kind of MPPT of having function of the present invention and the circuit theory diagrams of first isolating amplifier circuit.
Fig. 4 is the circuit theory diagrams of DA signal amplification circuit of the large velocity ratio isolated form solar charging controller of a kind of MPPT of having function of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing.
A kind of large velocity ratio isolated form solar charging controller of the present invention with MPPT function, as shown in Figure 1, it includes microprocessor 700(is MPU), PWM modulating unit 900, switching tube unit, also comprise first current detection circuit 400 of first voltage sampling circuit 300 of solar cell 100 output voltages that are used to sample, solar cell 100 output currents that are used to sample, second voltage sampling circuit 1600, isolated drive circuit 1000, the high frequency switch transformer 1200 of storage battery 1500 voltages that are used to sample.
The first input end of first voltage sampling circuit 300 is connected with the cathode output end 101 of solar cell 100, second input of first voltage sampling circuit 300 is connected with the cathode output end 102 of solar cell 100, the output 301 of first voltage sampling circuit 300 is connected with an AD port 701 of microprocessor 700, makes microprocessor 700 can pass through the output voltage of first voltage sampling circuit, 300 sampling solar cells 100.
First test side 401 of first current detection circuit 400 is connected with second input of switching tube unit, second test side 402 of first current detection circuit 400 is connected with the cathode output end 102 of solar cell 100, the first input end of switching tube unit is connected with the cathode output end 101 of solar cell 100, the output 403 of first current detection circuit 400 is connected with the 2nd AD port 702 of microprocessor 700, makes microprocessor 700 can pass through the output current of first current detection circuit, 400 sampling solar cells 100.
The first input end of second voltage sampling circuit 1600 is connected with the electrode input end 1501 of storage battery 1500, second input of second voltage sampling circuit 1600 is connected with the negative input 1502 of storage battery 1500, the output 1601 of second voltage sampling circuit 1600 is connected with the 3rd AD port 703 of microprocessor 700, makes microprocessor 700 can pass through second voltage sampling circuit, 1600 sampling battery tensions.
The DA port 706 of microprocessor 700 is connected with the input of PWM modulating unit 900, and an IO port 707 of microprocessor 700 is connected with the soft start port 901 of PWM modulating unit 900, microprocessor 700 can be controlled start PWM modulating unit 900; The output of PWM modulating unit 900 is connected with the input 1001 of isolated drive circuit 1000, the output of isolated drive circuit 1000 is connected with the input control port of switching tube unit, make PWM modulating unit 900 pwm signal can be exported to isolated drive circuit 1000, and by isolated drive circuit 1000 driving switch pipe units.
The output of switching tube unit is connected with the former limit of high frequency switch transformer 1200, the first secondary output 1201 of high frequency switch transformer 1200 is connected with the electrode input end 1501 of storage battery 1500, the second secondary output 1202 of high frequency switch transformer 1200 is connected with the negative input 1502 of storage battery 1500, makes the switching tube unit can pass through charging voltage and the electric current of high frequency switch transformer 1200 controls to storage battery 1500.Wherein, the power end of high frequency switch transformer 1200 is connected with accessory power supply 1300, and the power end of storage battery 1500 is connected with power circuit.
The present invention further comprises second current detection circuit 1900, first test side 1901 of second current detection circuit 1900 is connected with the negative pole end of loading interfaces, second test side 1902 of second current detection circuit 1900 is connected with the negative input 1502 of storage battery 1500, the output 1903 of second current detection circuit 1900 is connected with the 4th AD port 704 of microprocessor 700, makes microprocessor 700 can pass through the charging current of second current detection circuit, 1900 sampling storage batterys 1500.
More particularly, the present invention further comprises load switch drive circuit 1800, be connected with load switching circuit 1700 between first test side 1901 of second current detection circuit 1900 and the negative pole end of loading interfaces, first port one 701 of load switching circuit 1700 is connected with the negative pole end of loading interfaces, and second port one 702 of load switching circuit 1700 is connected with first test side 1901 of second current detection circuit 1900; The input 1801 of load switch drive circuit 1800 is connected with the 2nd IO port 708 of microprocessor 700, the output 1802 of load switch drive circuit 1800 is connected with the 3rd port one 703 of load switching circuit 1700, makes microprocessor 700 pass through load switch drive circuit 1800 controlling and driving load switching circuits 1700 and the switch of control load.
Wherein, be connected with DA signal amplification circuit 800 between the DA port 706 of microprocessor 700 and the input of PWM modulating unit 900, the input of DA signal amplification circuit 800 is connected with the DA port 706 of microprocessor 700, and the output of DA signal amplification circuit 800 is connected with the input of PWM modulating unit 900.DA signal amplification circuit 800 is used for the digital signal that microprocessor 700 produces is converted to analog signal, and exports to PWM modulating unit 900.
Be connected with first isolating amplifier circuit 500 between the one AD port 701 of the output 301 of first voltage sampling circuit 300 and microprocessor 700, the input 501 of first isolating amplifier circuit 500 is connected with the output 301 of first voltage sampling circuit 300, and the output of first isolating amplifier circuit 500 is connected with an AD port 701 of microprocessor 700; Be connected with second isolating amplifier circuit 600 between the 2nd AD port 702 of the output 403 of first current detection circuit 400 and microprocessor 700, the input of second isolating amplifier circuit 600 is connected with the output 403 of first current detection circuit 400, and the output 602 of second isolating amplifier circuit 600 is connected with the 2nd AD port 702 of microprocessor 700.
The switching tube unit is a H bridge switch pipe unit 1100, the first input end of switching tube unit is the last brachium pontis dc bus electrode input end 1101 of H bridge switch pipe unit 1100, second input of switching tube unit is the following brachium pontis dc bus negative input 1102 of H bridge switch pipe unit 1100, and the input control port of switching tube unit is the input control port 1105 of H bridge switch pipe unit 1100; First output 1103 of H bridge switch pipe unit 1100 is connected with an end on the former limit of high frequency switch transformer 1200, and second output 1104 of H bridge switch pipe unit 1100 is connected with the other end on the former limit of high frequency switch transformer 1200.Wherein, H bridge switch pipe unit 1100 has the modularization of being easy to, digitlization, is easy to adopt advantages such as soft switch technique.
Be provided with rectification filtering unit 1400 between the secondary output of high frequency switch transformer 1200 and the storage battery 1500, the first input end of rectification filtering unit 1400 is connected with the first secondary output 1201 of high frequency switch transformer 1200, second input of rectification filtering unit 1400 is connected with the second secondary output 1202 of high frequency switch transformer 1200, first output of rectification filtering unit 1400 is connected with the electrode input end 1501 of storage battery 1500, and second output of rectification filtering unit 1400 is connected with the negative input 1502 of storage battery 1500.The voltage of high frequency switch transformer 1200 outputs can be converted to level and smooth stable voltage through after the rectification and filtering of rectification filtering unit 1400, is storage battery 1500 chargings.
The present invention further comprises lightning protection circuit 200, temperature sensor 2100, key circuit 2200, LED﹠amp; LCD display circuit 2300, lightning protection circuit 200 are connected between the cathode output end 101 and cathode output end 102 of solar cell 100, make the present invention have the function of lightning protection; Temperature sensor 2100 is connected with the 5th AD port 705 of microprocessor 700, makes microprocessor 700 respond to extraneous temperature by temperature sensor 2100; Key circuit 2200 is connected with the 3rd IO port 709 of microprocessor 700, makes the user control and to be provided with orders such as parameter by key circuit 2200 inputs; LED﹠amp; LCD display circuit 2300 is connected LED﹠amp with the 4th IO port 710 of microprocessor 700; LCD display circuit 2300 is used for parameters such as displays temperature, is convenient to the user and checks intuitively.
As shown in Figure 2, PWM modulating unit 900 comprises resistance R 14, R15, R16, R17, R18, R19, R20, R21, R22, capacitor C 6, C7, C8, C9, C10, triode Q1, PWM modulation chip U5; Isolated drive circuit 1000 comprises triode Q2, Q3, Q4, Q5, isolation drive transformer T1.
12 pin (GND) of PWM modulation chip U5,10 pin (SHUTDOWN) all are connected with logically (GND), resistance R 15 1 ends are the soft start port 901 of PWM modulating unit 900, (it is used for input signal ON/OFF), one end of the other end of resistance R 15 and resistance R 16, the base stage of triode Q1 connects, the other end of resistance R 16, the emitter of triode Q1 with logically be connected, soft start pin 8 pin (SOFT-START) of the collector electrode of triode Q1 and PWM modulation chip U5, resistance R 17 1 ends connect, the other end of resistance R 17 is connected with the positive pole of capacitor C 9, the negative pole of capacitor C 9 with logically be connected, 3 pin (SYNC) of PWM modulation chip U5 pass through resistance R 18 and logically are connected, 5 pin (CT) of PWM modulation chip U5 are connected with 7 pin (DISCHARGE) by resistance R 19,5 pin (CT) of PWM modulation chip U5 pass through capacitor C 10 and logically are connected, 6 pin (RT) of PWM modulation chip U5 pass through resistance R 20 and logically are connected, resistance R 14 1 ends are the input of PWM modulating unit 900, (it is used for input signal DACOUT), in-phase input end 2 pin (N.I.INPUT) of the other end of resistance R 14 and PWM modulation chip U5, capacitor C 8 one ends connect, the other end of capacitor C 8 with logically be connected, inverting input 1 pin (INV.INPUT) and its compensation of PWM modulation chip U5 holds 9 pin (COMP) to be connected, reference voltage end 16 pin of PWM modulation chip U5 and+5V reference voltage (+5Vref), capacitor C 6 one ends connect, the other end of capacitor C 6 with logically be connected, 13 pin of PWM modulation chip U5,15 pin, capacitor C 7 one ends all with+12V power supply (+12VC) be connected, the other end of capacitor C 7 with logically be connected, A channel drive signal output 11 pin (OUTA) of PWM modulation chip U5 are by the base stage of resistance R 21 with triode Q2, the base stage of triode Q3 connects, and B channels drive signal output part 14 pin (OUTB) of PWM modulation chip U5 are by the base stage of resistance R 22 with triode Q4, the base stage of triode Q5 connects.
The collector electrode of triode Q2, the collector electrode of triode Q4 all with power supply (+12VC) be connected, the emitter of the emitter of triode Q2 and triode Q3,1 pin of isolation drive transformer T1 connects, the emitter of the emitter of triode Q4 and triode Q5,2 pin of isolation drive transformer T1 connect, the collector electrode of triode Q3, the collector electrode of triode Q5 all is connected with logically (GND), 1 pin of isolation drive transformer T1,3 pin, 5 pin, 7 pin, 9 pin are end of the same name, 3 pin of isolation drive transformer T1,4 pin, 5 pin, 6 pin, 7 pin, 8 pin, 9 pin, 10 pin are the output of isolated drive circuit 1000, it is used for being connected with H bridge switch pipe unit 1100, more particularly, 3 pin of isolation drive transformer T1,4 pin output signals are respectively DRV1H, DRV1L, 5 pin of isolation drive transformer T1,6 pin output signals are respectively DRV2H, DRV2L, 7 pin of isolation drive transformer T1,8 pin output signals are respectively DRV3H, DRV3L, 9 pin of isolation drive transformer T1,10 pin output signals are respectively DRV4H, DRV4L.
That PWM modulation chip U5 can produce according to the DA port 706 of microprocessor 700 and control the signal of the switch control of charge circuits such as isolated drive circuit, switching tube unit and high frequency switch transformer through 800 conversions of DA signal amplification circuit and being used to of amplifying, regulate the duty ratio of the pwm signal of output, thus control isolated drive circuit 1000.
As shown in Figure 3, first voltage sampling circuit 300 comprises resistance R 1, R2, R3, R4, R5, R6, R7, R8, capacitor C 1, C2, operational amplifier U1A, operational amplifier U1B; First isolating amplifier circuit 500 comprises resistance R 9, capacitor C 3, operational amplifier U3A, linear optical coupling U2.
Resistance R 1 one ends are the first input end of first voltage sampling circuit 300, resistance R 4 one ends are second input of first voltage sampling circuit 300, the other end of resistance R 1 is connected with resistance R 2 one ends, in-phase input end 3 pin of the other end of resistance R 2 and operational amplifier U1A, resistance R 3 one ends connect, the other end of resistance R 4 is connected with resistance R 5 one ends, inverting input 2 pin of the other end of resistance R 5 and operational amplifier U1A, resistance R 6 one ends, capacitor C 1 one ends connect, the other end of resistance R 6, the other end of capacitor C 1, resistance R 7 one ends all are connected with output 1 pin of operational amplifier U1A, in-phase input end 6 pin of the other end of resistance R 7 and operational amplifier U1B, capacitor C 2 one ends, 3 pin of linear optical coupling U2 connect, the other end of capacitor C 2 and resistance R 8 one ends, output 7 pin of operational amplifier U1B connect, the other end of resistance R 8 is connected with 1 pin of linear optical coupling U2, in-phase input end 3 pin of 6 pin of linear optical coupling U2 and operational amplifier U3A, resistance R 9 one ends, capacitor C 3 one ends connect, the other end of resistance R 9, the other end of capacitor C 3 all is connected with output 1 pin of operational amplifier U3A, output 1 pin of operational amplifier U3A is the output of first isolating amplifier circuit 500, power end 8 pin of operational amplifier U1A, 2 pin of linear optical coupling U2 all with+12V power supply (+12VP) be connected, power end 8 pin of operational amplifier U3A and+5V power supply (+5VC) be connected, the other end of resistance R 3, earth terminal 4 pin of operational amplifier U1A, inverting input 5 pin of operational amplifier U1B, 4 pin of linear optical coupling U2 all are connected with power supply ground (PGND1), 5 pin of linear optical coupling U2, inverting input 2 pin of operational amplifier U3A, earth terminal 4 pin of operational amplifier U3A all are connected with digitally (AGND).
Operational amplifier U1A and operational amplifier U1B are with the signal of the output voltage of the solar cell of sampling, after amplifying, input to linear optical coupling U2, input to operational amplifier U3A after the isolation through linear optical coupling U2 again, input to microprocessor 700 after amplifying by operational amplifier U3A at last.
As shown in Figure 4, DA signal amplification circuit 800 comprises resistance R 10, R11, R12, R13, capacitor C 4, C5, operational amplifier U4A, U4B; Resistance R 10 1 ends are the input of DA signal amplification circuit 800, (it is used for input signal DACIN), in-phase input end 3 pin of the other end of resistance R 10 and operational amplifier U4A, capacitor C 4 one ends, resistance R 11 1 ends connect, inverting input 2 pin of resistance R 12 1 ends and operational amplifier U4A, resistance R 13 1 ends, capacitor C 5 one ends connect, the other end of resistance R 13, the other end of capacitor C 5, output 1 pin of operational amplifier U4A all is connected with in-phase input end 6 pin of operational amplifier U4 B, inverting input 5 pin of operational amplifier U4 B are connected with output 7 pin of operational amplifier U4 B, output 7 pin of operational amplifier U4 B are the output of DA signal amplification circuit 800, power end 8 pin of operational amplifier U4A and+12V power supply (+12VC) be connected the other end of capacitor C 4, the other end of resistance R 11, earth terminal 4 pin of operational amplifier U4A, the other end of resistance R 12 all is connected with digitally (AGND).
Wherein, microprocessor 700 adopts 32 ARM STM32F103VCT6 of high-performance of ST Microelectronics, it is that the semiconductor discharge tube of P1300S is as the lightning protection device that lightning protection circuit 200 adopts models, it is the N-channel MOS pipe of FQA62N25 that H bridge switch pipe unit 1100 adopts model, it is the current sensor of the isolated form of HXS 50-NP that first current detection circuit 400 adopts model, it is the pulse width modulating chip of SG3525 that the PWM modulation chip U5 of PWM modulating unit 900 adopts ST Microelectronics's model, it is the paralleling MOS FET array of IPB025N10N3 that load switching circuit 1700 adopts the model of MOSFET, and the model of temperature sensor 2100 is LM50; The model of operational amplifier U1A, operational amplifier U1B, operational amplifier U3A, operational amplifier U4A, operational amplifier U4 B is LM258, the model of linear optical coupling U2 is HCNR200, the model of triode Q1, triode Q2, triode Q4 is 2N3904, and the model of triode Q3, triode Q5 is 2N3906.Certainly, the parameter value of above-mentioned electronic devices and components is only for reference, when specifically implementing the technical program, can make amendment according to actual environment.
The present invention in use, microprocessor 700 can be by first voltage sampling circuit 300, first current detection circuit 400 sample the respectively output voltage and the output current of solar cell 100, thereby find maximum power point, according to charge circuits such as maximum power point control PWM modulating unit 900, isolated drive circuit 1000, H bridge switch pipe unit 1100 and high frequency switch transformers 1200 solar cell 100 is charged by microprocessor 700 to storage battery 1500 with the highest efficient again, realize the MPPT function.
When microprocessor 700 detected solar cell 100 output voltages and reaches charge condition, microprocessor 700 started charge circuits such as PWM modulating units 900, isolated drive circuit 1000, H bridge switch pipe unit 1100 and high frequency switch transformer 1200 and begins charging; When microprocessor 700 detects solar cell 100 output voltages and does not reach charge condition or do not have output voltage, microprocessor 700 quits work charge circuits such as PWM modulating unit 900, isolated drive circuit 1000, H bridge switch pipe unit 1100 and high frequency switch transformer 1200, and charge circuit is in resting state.
Simultaneously, microprocessor 700 of the present invention can be by the voltage of second voltage sampling circuit, 1600 sampling storage batterys 1500, again by the state-of-charge (SOC) of microprocessor 700 according to storage battery 1500, charge circuit such as control PWM modulating unit 900, isolated drive circuit 1000, H bridge switch pipe unit 1100 and high frequency switch transformer 1200 and charging, the discharge process of intelligent management storage battery 1500 are realized the intelligent charge control of SOC.
And, the present invention control H bridge switch pipe unit 1100 and high frequency switch transformer 1200 is a charge in batteries by the pwm signal control isolated drive circuit 1000 of PWM modulating unit 900 output, form the charging control mode of isolated form, making solar cell 100 is not to be storage battery 1500 chargings by the switching tube unit directly, thereby avoid when solar cell 100 output voltages are very high and the generation of the electric pressure of user configured storage battery 1500 switching tube breakdown and cause thermal damage accident when very low, so the present invention is applicable to the very high and lower solar power system of storage battery 1500 electric pressures of solar cell 100 output voltages, as the amorphous silicon thin-film solar cell electricity generation system, be that the present invention has overcome conventional Buck type solar charging controller and is difficult to bear high voltage differential problem between input voltage and the output voltage, a kind of solution of solar array voltage large velocity ratio step-down charging is provided.
Should be noted that at last; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although the present invention has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the essence and the scope of technical solution of the present invention.
Claims (10)
1. large velocity ratio isolated form solar charging controller with MPPT function, it includes microprocessor, PWM modulating unit, switching tube unit, it is characterized in that: also comprise first current detection circuit of first voltage sampling circuit of the solar cell output voltage that is used to sample, the solar cell output current that is used to sample, second voltage sampling circuit, isolated drive circuit, the high frequency switch transformer of the battery tension that is used to sample;
The first input end of described first voltage sampling circuit is connected with the cathode output end of solar cell, second input of described first voltage sampling circuit is connected with the cathode output end of solar cell, and the output of described first voltage sampling circuit is connected with an AD port of described microprocessor;
First test side of described first current detection circuit is connected with second input of described switching tube unit, second test side of described first current detection circuit is connected with the cathode output end of solar cell, the first input end of described switching tube unit is connected with the cathode output end of solar cell, and the output of described first current detection circuit is connected with the 2nd AD port of described microprocessor;
The first input end of described second voltage sampling circuit is connected with the electrode input end of storage battery, second input of described second voltage sampling circuit is connected with the negative input of storage battery, and the output of described second voltage sampling circuit is connected with the 3rd AD port of described microprocessor;
The DA port of described microprocessor is connected with the input of described PWM modulating unit, the one IO port of described microprocessor is connected with the soft start port of described PWM modulating unit, the output of described PWM modulating unit is connected with the input of described isolated drive circuit, and the output of described isolated drive circuit is connected with the input control port of described switching tube unit;
The output of described switching tube unit is connected with the former limit of described high frequency switch transformer, the first secondary output of described high frequency switch transformer is connected with the electrode input end of storage battery, and the second secondary output of described high frequency switch transformer is connected with the negative input of storage battery.
2. the large velocity ratio isolated form solar charging controller with MPPT function according to claim 1, it is characterized in that: further comprise second current detection circuit, first test side of described second current detection circuit is connected with the negative pole end of loading interfaces, second test side of described second current detection circuit is connected with the negative input of storage battery, and the output of described second current detection circuit is connected with the 4th AD port of described microprocessor.
3. the large velocity ratio isolated form solar charging controller with MPPT function according to claim 2, it is characterized in that: further comprise the load switch drive circuit, be connected with load switching circuit between first test side of described second current detection circuit and the negative pole end of loading interfaces, first port of described load switching circuit is connected with the negative pole end of loading interfaces, and second port of described load switching circuit is connected with first test side of described second current detection circuit; The input of described load switch drive circuit is connected with the 2nd IO port of described microprocessor, and the output of described load switch drive circuit is connected with the 3rd port of described load switching circuit.
4. according to any described large velocity ratio isolated form solar charging controller of claim 1 to 3 with MPPT function, it is characterized in that: be connected with the DA signal amplification circuit between the DA port of described microprocessor and the input of described PWM modulating unit, the input of described DA signal amplification circuit is connected with the DA port of described microprocessor, and the output of described DA signal amplification circuit is connected with the input of described PWM modulating unit.
5. the large velocity ratio isolated form solar charging controller with MPPT function according to claim 4, it is characterized in that: be connected with first isolating amplifier circuit between the AD port of the output of described first voltage sampling circuit and described microprocessor, the input of described first isolating amplifier circuit is connected with the output of described first voltage sampling circuit, and the output of described first isolating amplifier circuit is connected with an AD port of described microprocessor; Be connected with second isolating amplifier circuit between the 2nd AD port of the output of described first current detection circuit and described microprocessor, the input of described second isolating amplifier circuit is connected with the output of described first current detection circuit, and the output of described second isolating amplifier circuit is connected with the 2nd AD port of described microprocessor.
6. the large velocity ratio isolated form solar charging controller with MPPT function according to claim 4, it is characterized in that: described switching tube unit is a H bridge switch pipe unit, the first input end of described switching tube unit is the last brachium pontis dc bus electrode input end of H bridge switch pipe unit, second input of described switching tube unit is the following brachium pontis dc bus negative input of H bridge switch pipe unit, and the input control port of described switching tube unit is the input control port of H bridge switch pipe unit; First output of described H bridge switch pipe unit is connected with an end on the former limit of high frequency switch transformer, and second output of described H bridge switch pipe unit is connected with the other end on the former limit of high frequency switch transformer.
7. the large velocity ratio isolated form solar charging controller with MPPT function according to claim 4, it is characterized in that: be provided with rectification filtering unit between the secondary output of described high frequency switch transformer and the storage battery, the first input end of described rectification filtering unit is connected with the first secondary output of described high frequency switch transformer, second input of described rectification filtering unit is connected with the second secondary output of described high frequency switch transformer, first output of described rectification filtering unit is connected with the electrode input end of storage battery, and second output of described rectification filtering unit is connected with the negative input of storage battery.
8. the large velocity ratio isolated form solar charging controller with MPPT function according to claim 4 is characterized in that: further comprise lightning protection circuit, temperature sensor, key circuit, LED﹠amp; The LCD display circuit, described lightning protection circuit is connected between the cathode output end and cathode output end of solar cell, described temperature sensor is connected with the 5th AD port of described microprocessor, and described key circuit is connected described LED﹠amp with the 3rd IO port set of described microprocessor; The LCD display circuit is connected with the 4th IO port set of described microprocessor.
9. the large velocity ratio isolated form solar charging controller with MPPT function according to claim 4, it is characterized in that: described PWM modulating unit comprises resistance R 14, R15, R16, R17, R18, R19, R20, R21, R22, capacitor C 6, C7, C8, C9, C10, triode Q1, PWM modulation chip U5; Described isolated drive circuit comprises triode Q2, Q3, Q4, Q5, isolation drive transformer T1;
12 pin of described PWM modulation chip U5,10 pin all with logically are connected, resistance R 15 1 ends are the soft start port of described PWM modulating unit, one end of the other end of resistance R 15 and resistance R 16, the base stage of triode Q1 connects, the other end of resistance R 16, the emitter of triode Q1 with logically be connected, soft start pin 8 pin of the collector electrode of triode Q1 and PWM modulation chip U5, resistance R 17 1 ends connect, the other end of resistance R 17 is connected with the positive pole of capacitor C 9, the negative pole of capacitor C 9 with logically be connected, 3 pin of PWM modulation chip U5 pass through resistance R 18 and logically are connected, 5 pin of PWM modulation chip U5 are connected with 7 pin by resistance R 19,5 pin of PWM modulation chip U5 pass through capacitor C 10 and logically are connected, 6 pin of PWM modulation chip U5 pass through resistance R 20 and logically are connected, resistance R 14 1 ends are the input of described PWM modulating unit 900, in-phase input end 2 pin of the other end of resistance R 14 and PWM modulation chip U5, capacitor C 8 one ends connect, the other end of capacitor C 8 with logically be connected, inverting input 1 pin and its compensation of PWM modulation chip U5 hold 9 pin to be connected, reference voltage end 16 pin of PWM modulation chip U5 and+5V reference voltage, capacitor C 6 one ends connect, the other end of capacitor C 6 with logically be connected, 13 pin of PWM modulation chip U5,15 pin, capacitor C 7 one ends all are connected with+12V power supply, the other end of capacitor C 7 with logically be connected, A channel drive signal output 11 pin of PWM modulation chip U5 are by the base stage of resistance R 21 with triode Q2, the base stage of triode Q3 connects, and B channels drive signal output part 14 pin of PWM modulation chip U5 are by the base stage of resistance R 22 with triode Q4, the base stage of triode Q5 connects;
The collector electrode of described triode Q2, the collector electrode of triode Q4 all is connected with power supply, the emitter of the emitter of triode Q2 and triode Q3,1 pin of isolation drive transformer T1 connects, the emitter of the emitter of triode Q4 and triode Q5,2 pin of isolation drive transformer T1 connect, the collector electrode of triode Q3, the collector electrode of triode Q5 all with logically is connected, 1 pin of isolation drive transformer T1,3 pin, 5 pin, 7 pin, 9 pin are end of the same name, 3 pin of isolation drive transformer T1,4 pin, 5 pin, 6 pin, 7 pin, 8 pin, 9 pin, 10 pin are the output of described isolated drive circuit 1000.
10. the large velocity ratio isolated form solar charging controller with MPPT function according to claim 5, it is characterized in that: described first voltage sampling circuit comprises resistance R 1, R2, R3, R4, R5, R6, R7, R8, capacitor C 1, C2, operational amplifier U1A, operational amplifier U1B; Described first isolating amplifier circuit comprises resistance R 9, capacitor C 3, operational amplifier U3A, linear optical coupling U2;
Described resistance R 1 one ends are the first input end of described first voltage sampling circuit, resistance R 4 one ends are second input of described first voltage sampling circuit, the other end of resistance R 1 is connected with resistance R 2 one ends, in-phase input end 3 pin of the other end of resistance R 2 and operational amplifier U1A, resistance R 3 one ends connect, the other end of resistance R 4 is connected with resistance R 5 one ends, inverting input 2 pin of the other end of resistance R 5 and operational amplifier U1A, resistance R 6 one ends, capacitor C 1 one ends connect, the other end of resistance R 6, the other end of capacitor C 1, resistance R 7 one ends all are connected with output 1 pin of operational amplifier U1A, in-phase input end 6 pin of the other end of resistance R 7 and operational amplifier U1B, capacitor C 2 one ends, 3 pin of linear optical coupling U2 connect, the other end of capacitor C 2 and resistance R 8 one ends, output 7 pin of operational amplifier U1B connect, the other end of resistance R 8 is connected with 1 pin of linear optical coupling U2, in-phase input end 3 pin of 6 pin of linear optical coupling U2 and operational amplifier U3A, resistance R 9 one ends, capacitor C 3 one ends connect, the other end of resistance R 9, the other end of capacitor C 3 all is connected with output 1 pin of operational amplifier U3A, output 1 pin of operational amplifier U3A is the output of described first isolating amplifier circuit 500, power end 8 pin of operational amplifier U1A, 2 pin of linear optical coupling U2 all are connected with+12VP power supply, power end 8 pin of operational amplifier U3A are connected with+5V power supply, the other end of resistance R 3, earth terminal 4 pin of operational amplifier U1A, inverting input 5 pin of operational amplifier U1B, 4 pin of linear optical coupling U2 all are connected with power supply ground PGND1,5 pin of linear optical coupling U2, inverting input 2 pin of operational amplifier U3A, earth terminal 4 pin of operational amplifier U3A all are connected with simulation ground AGND;
Described DA signal amplification circuit comprises resistance R 10, R11, R12, R13, capacitor C 4, C5, operational amplifier U4A, U4B; Described resistance R 10 1 ends are the input of described DA signal amplification circuit 800, in-phase input end 3 pin of the other end of resistance R 10 and operational amplifier U4A, capacitor C 4 one ends, resistance R 11 1 ends connect, inverting input 2 pin of resistance R 12 1 ends and operational amplifier U4A, resistance R 13 1 ends, capacitor C 5 one ends connect, the other end of resistance R 13, the other end of capacitor C 5, output 1 pin of operational amplifier U4A all is connected with in-phase input end 6 pin of operational amplifier U4 B, inverting input 5 pin of operational amplifier U4 B are connected with output 7 pin of operational amplifier U4 B, output 7 pin of operational amplifier U4 B are the output of described DA signal amplification circuit, power end 8 pin of operational amplifier U4A are connected the other end of capacitor C 4 with+12V power supply, the other end of resistance R 11, earth terminal 4 pin of operational amplifier U4A, the other end of resistance R 12 all is connected with simulation ground AGND.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100981225A CN102157970B (en) | 2011-04-19 | 2011-04-19 | High-transformation ratio isolated solar charging controller with MPPT function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100981225A CN102157970B (en) | 2011-04-19 | 2011-04-19 | High-transformation ratio isolated solar charging controller with MPPT function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102157970A true CN102157970A (en) | 2011-08-17 |
| CN102157970B CN102157970B (en) | 2013-04-24 |
Family
ID=44439218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100981225A Active CN102157970B (en) | 2011-04-19 | 2011-04-19 | High-transformation ratio isolated solar charging controller with MPPT function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102157970B (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570831A (en) * | 2012-01-05 | 2012-07-11 | 深圳市高斯宝电气技术有限公司 | Isolated direct current (DC) bidirectional converter |
| CN102879089A (en) * | 2012-10-15 | 2013-01-16 | 广州中晶新能源工程有限公司 | Solar irradiation intensity and photovoltaic power generation capacity acquiring equipment |
| CN103051206A (en) * | 2012-12-13 | 2013-04-17 | 深圳和而泰智能控制股份有限公司 | Control circuit and device of power source of fresh keeping machine and control method thereof |
| CN103501035A (en) * | 2013-10-18 | 2014-01-08 | 郭春华 | Supercapacitor charging system and charging method |
| CN103728488A (en) * | 2013-09-26 | 2014-04-16 | 惠州三华工业有限公司 | Wind driven generator over-temperature detecting method and system |
| CN104283260A (en) * | 2014-09-29 | 2015-01-14 | 浙江永升新能源科技有限公司 | Network type MPPT solar charging controller and control method thereof |
| CN104506066A (en) * | 2015-01-05 | 2015-04-08 | 中国人民解放军国防科学技术大学 | New miniature optical storage converter |
| CN105263237A (en) * | 2015-11-16 | 2016-01-20 | 西安科技大学 | Novel solar lighting street lamp |
| CN106067759A (en) * | 2016-06-24 | 2016-11-02 | 国网山东省电力公司寿光市供电公司 | A kind of distributed photovoltaic power generation anti-theft arrangement |
| CN106132026A (en) * | 2016-08-16 | 2016-11-16 | 深圳英利新能源有限公司 | New type solar energy street lamp |
| CN107069785A (en) * | 2017-05-25 | 2017-08-18 | 河南迎基太阳能科技有限公司 | A kind of scheduling system |
| CN108142085A (en) * | 2017-12-22 | 2018-06-12 | 宁波大叶园林设备股份有限公司 | The intelligent robot grass trimmer of control direction is assisted with compass with straight line moving |
| CN108900084A (en) * | 2018-07-13 | 2018-11-27 | 东南大学 | A kind of direct current-direct current voltage changer of remote numerical control |
| CN109412214A (en) * | 2017-08-16 | 2019-03-01 | 凌飞 | A kind of pulse reparation speed fills device |
| CN109450068A (en) * | 2018-11-02 | 2019-03-08 | 杭州索乐光电有限公司 | A kind of solar energy management system and method |
| CN109586358A (en) * | 2018-11-02 | 2019-04-05 | 杭州索乐光电有限公司 | A kind of power-supply management system and method |
| CN109617508A (en) * | 2018-11-02 | 2019-04-12 | 杭州索乐光电有限公司 | System based on solar energy management |
| CN111817663A (en) * | 2020-07-15 | 2020-10-23 | 北京中能融创能源科技有限公司 | Photovoltaic module and photovoltaic energy storage system |
| CN113595188A (en) * | 2021-07-28 | 2021-11-02 | 中国人民解放军陆军工程大学 | Battery charging router with multiple energy modes |
| CN113783280A (en) * | 2021-07-21 | 2021-12-10 | 上海汉想新能源科技有限公司 | Lithium battery charging power supply suitable for 1500V photovoltaic system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2396566Y (en) * | 1999-10-29 | 2000-09-13 | 武汉洲际通信电源集团有限责任公司 | Solar voltage stabilization converting power supply with power adapting function |
| CN2672938Y (en) * | 2003-12-29 | 2005-01-19 | 中国科学院电工研究所 | Independently operating solar energy photovoltaic power station controller |
| US20070194759A1 (en) * | 2006-02-17 | 2007-08-23 | Power Systems Co., Ltd. | Charging apparatus for capacitor storage type power source and discharging apparatus for capacitor storage type power source |
| CN102005801A (en) * | 2010-12-30 | 2011-04-06 | 广东易事特电源股份有限公司 | Charging circuit of solar charging controller in common-ground structure |
-
2011
- 2011-04-19 CN CN2011100981225A patent/CN102157970B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2396566Y (en) * | 1999-10-29 | 2000-09-13 | 武汉洲际通信电源集团有限责任公司 | Solar voltage stabilization converting power supply with power adapting function |
| CN2672938Y (en) * | 2003-12-29 | 2005-01-19 | 中国科学院电工研究所 | Independently operating solar energy photovoltaic power station controller |
| US20070194759A1 (en) * | 2006-02-17 | 2007-08-23 | Power Systems Co., Ltd. | Charging apparatus for capacitor storage type power source and discharging apparatus for capacitor storage type power source |
| CN102005801A (en) * | 2010-12-30 | 2011-04-06 | 广东易事特电源股份有限公司 | Charging circuit of solar charging controller in common-ground structure |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570831B (en) * | 2012-01-05 | 2015-01-21 | 深圳市高斯宝电气技术有限公司 | Isolated direct current (DC) bidirectional converter |
| CN102570831A (en) * | 2012-01-05 | 2012-07-11 | 深圳市高斯宝电气技术有限公司 | Isolated direct current (DC) bidirectional converter |
| CN102879089A (en) * | 2012-10-15 | 2013-01-16 | 广州中晶新能源工程有限公司 | Solar irradiation intensity and photovoltaic power generation capacity acquiring equipment |
| CN103051206A (en) * | 2012-12-13 | 2013-04-17 | 深圳和而泰智能控制股份有限公司 | Control circuit and device of power source of fresh keeping machine and control method thereof |
| CN103051206B (en) * | 2012-12-13 | 2015-11-18 | 深圳和而泰智能控制股份有限公司 | Fresh-keeping device power control circuit, device and control method thereof |
| CN103728488A (en) * | 2013-09-26 | 2014-04-16 | 惠州三华工业有限公司 | Wind driven generator over-temperature detecting method and system |
| CN103501035A (en) * | 2013-10-18 | 2014-01-08 | 郭春华 | Supercapacitor charging system and charging method |
| CN103501035B (en) * | 2013-10-18 | 2016-07-13 | 郭春华 | A kind of ultracapacitor charging system and charging method |
| CN104283260A (en) * | 2014-09-29 | 2015-01-14 | 浙江永升新能源科技有限公司 | Network type MPPT solar charging controller and control method thereof |
| CN104283260B (en) * | 2014-09-29 | 2017-01-11 | 陈忱 | Network type MPPT solar charging controller and control method thereof |
| CN104506066A (en) * | 2015-01-05 | 2015-04-08 | 中国人民解放军国防科学技术大学 | New miniature optical storage converter |
| CN104506066B (en) * | 2015-01-05 | 2016-03-30 | 中国人民解放军国防科学技术大学 | A kind of Miniature optical storage converter |
| CN105263237A (en) * | 2015-11-16 | 2016-01-20 | 西安科技大学 | Novel solar lighting street lamp |
| CN106067759A (en) * | 2016-06-24 | 2016-11-02 | 国网山东省电力公司寿光市供电公司 | A kind of distributed photovoltaic power generation anti-theft arrangement |
| CN106132026A (en) * | 2016-08-16 | 2016-11-16 | 深圳英利新能源有限公司 | New type solar energy street lamp |
| CN106132026B (en) * | 2016-08-16 | 2018-01-26 | 深圳英利新能源有限公司 | New type solar energy street lamp |
| CN107069785A (en) * | 2017-05-25 | 2017-08-18 | 河南迎基太阳能科技有限公司 | A kind of scheduling system |
| CN109412214A (en) * | 2017-08-16 | 2019-03-01 | 凌飞 | A kind of pulse reparation speed fills device |
| CN108142085A (en) * | 2017-12-22 | 2018-06-12 | 宁波大叶园林设备股份有限公司 | The intelligent robot grass trimmer of control direction is assisted with compass with straight line moving |
| CN108900084A (en) * | 2018-07-13 | 2018-11-27 | 东南大学 | A kind of direct current-direct current voltage changer of remote numerical control |
| CN109450068A (en) * | 2018-11-02 | 2019-03-08 | 杭州索乐光电有限公司 | A kind of solar energy management system and method |
| CN109586358A (en) * | 2018-11-02 | 2019-04-05 | 杭州索乐光电有限公司 | A kind of power-supply management system and method |
| CN109617508A (en) * | 2018-11-02 | 2019-04-12 | 杭州索乐光电有限公司 | System based on solar energy management |
| CN111817663A (en) * | 2020-07-15 | 2020-10-23 | 北京中能融创能源科技有限公司 | Photovoltaic module and photovoltaic energy storage system |
| CN113783280A (en) * | 2021-07-21 | 2021-12-10 | 上海汉想新能源科技有限公司 | Lithium battery charging power supply suitable for 1500V photovoltaic system |
| CN113595188A (en) * | 2021-07-28 | 2021-11-02 | 中国人民解放军陆军工程大学 | Battery charging router with multiple energy modes |
| CN113595188B (en) * | 2021-07-28 | 2023-06-23 | 中国人民解放军陆军工程大学 | Multi-energy mode battery charging router |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102157970B (en) | 2013-04-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102157970B (en) | High-transformation ratio isolated solar charging controller with MPPT function | |
| CN102904444B (en) | DC/DC (direct-current/direct-current) conversion and control system based on proton exchange membrane fuel cell | |
| CN102035238B (en) | Solar charging control circuit | |
| CN110138014B (en) | Grid-connected and off-grid integrated solar power generation subsystem and system | |
| CN104113128A (en) | Micro-intelligent power distribution control system and method for solar and wind power | |
| WO2015060607A1 (en) | Energy supply circuit without power converter and electronic device using same | |
| CN201355771Y (en) | Intelligent charger of electric automobile batteries | |
| CN115856702B (en) | UPS power supply detection device | |
| CN103219765B (en) | Photovoltaic charging controller | |
| CN204928230U (en) | Special electrical source controller of ambiguity | |
| CN201904637U (en) | Solar charging control circuit | |
| CN104184396A (en) | Photovoltaic power supply system and control method thereof | |
| CN102148526B (en) | Charger | |
| Mohapatra et al. | Design of solar powered battery charger: an experimental verification | |
| CN100492808C (en) | Wind energy and solar energy power generation control inversion integrated power supply | |
| CN203645360U (en) | A charging and discharging multiplex circuit | |
| CN201706379U (en) | Solar photoelectric integrated light power supply | |
| CN201656537U (en) | Accumulator charger | |
| CN109375605B (en) | Energy flow comprehensive measurement and control system and control method | |
| CN113394861A (en) | Llc intelligent charger based on dynamic adjustment | |
| US20110149626A1 (en) | Bidirectional inverter for new renewable energy storage system | |
| CN113381493A (en) | Llc intelligent charging control method based on dynamic adjustment | |
| CN209389766U (en) | Solar energy MPPT controller lithium cell activated circuit | |
| CN210838980U (en) | Multi-stage charging circuit and auxiliary module | |
| CN204506592U (en) | A kind of small size electronlmobil power electronic equipment device based on control electric isolution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |