CN104242441A - Solar energy and AC network collaborative charging system - Google Patents
Solar energy and AC network collaborative charging system Download PDFInfo
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- CN104242441A CN104242441A CN201410458657.2A CN201410458657A CN104242441A CN 104242441 A CN104242441 A CN 104242441A CN 201410458657 A CN201410458657 A CN 201410458657A CN 104242441 A CN104242441 A CN 104242441A
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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Abstract
The invention relates to a solar energy and AC network collaborative charging system which is environmentally friendly, safe and reliable. Solar energy replaces conventional electric power for charging, plenty of no-renewable energy resources are saved, and environmental pollution is reduced. According to the technical scheme, the solar energy and AC network collaborative charging system comprises an AC network, an MCU core processing module and a charging monitoring management module. The MCU core processing module is electrically connected with the charging monitoring management module. The solar energy and AC network collaborative charging system is characterized in that the system further comprises a charge control module and a solar cell module. The charge control module is electrically connected with the solar cell module, the AC network and the MCU core processing module. The solar energy and AC network collaborative charging system is suitable for electric automobiles.
Description
Technical field
The present invention relates to a kind of solar energy and AC network works in coordination with charging system, be applicable to electric automobile.
Background technology
Along with the impact of China's automobile universal environmental pollution in a large number, the owning amount of automobile is every 1,000 10 automobiles for each person now, but petroleum resources are not enough, every year import several ten million tons of oil.For improving oil utilance, energy-conserving and environment-protective electric automobile arises at the historic moment, and the important step of electric automobile is exactly the charging to energy storage.All generally that reality still consumes conventional fossil energy, and fossil energy can not regenerate with conventional electric power charging at present.
Summary of the invention
The technical problem to be solved in the present invention is: for above-mentioned Problems existing, a kind of environmental protection, safe and reliable solar energy and AC network is provided to work in coordination with charging system, replace conventional electric power charging with solar energy, save a large amount of non-renewable energy resources, reduce environmental pollution.
The technical solution adopted in the present invention is: a kind of solar energy and AC network work in coordination with charging system, comprise AC network, MCU core processing module and charging monitoring administration module, MCU core processing module is connected with charging monitoring administration module circuit, it is characterized in that: also comprise charge control module and solar module, charge control module is connected with solar module, AC network and MCU core processing module circuit;
Described charge control module has current rectifying and wave filtering circuit I, control switching circuit, voltage sampling circuit, compares amplifying circuit and voltage-stabilizing output circuit, solar module connects voltage-stabilizing output circuit through control switching circuit, AC network connects voltage-stabilizing output circuit through current rectifying and wave filtering circuit I, control switching circuit successively, and control switching circuit controls solar module or AC network access voltage-stabilizing output circuit;
Described solar module successively through voltage sampling circuit with compare amplifying circuit and be connected control switching circuit, relatively amplifying circuit is by voltage sampling circuit sampling solar module voltage, and sampled voltage is compared with setting voltage, control according to comparative result the power supply that control switching circuit switches access.
Described control switching circuit has biswitch relay and switch triode, this biswitch relay is made up of coil, switch I and switch II, its coil is connected in series with switch triode, switch triode base stage connects and compares amplification circuit output end, switch I is connected between solar module and voltage-stabilizing output circuit, and switch II is connected between current rectifying and wave filtering circuit I and voltage-stabilizing output circuit.
Described switch I and be connected to air switch between switch II and voltage-stabilizing output circuit.
Described voltage-stabilizing output circuit comprises full bridge inverter, high frequency transformer and the current rectifying and wave filtering circuit II be connected successively, after AC network rectification or solar module export direct current after full bridge inverter, obtain the adjustable high-frequency alternating current of voltage, high-frequency alternating current is coupled to secondary through high frequency transformer, by current rectifying and wave filtering circuit II stable output direct current.
Described full bridge inverter is made up of 4 igbts; The electric current that described MCU core processing module sampling voltage-stabilizing output circuit exports and voltage signal, and control output 4 road PWM to 4 igbt grids, control igbt grid make-and-break time, thus control output voltage.
Described MCU core processing module is connected with full bridge inverter circuit through drive circuit, overvoltage and current-limiting protection circuit; Described drive circuit adopts TLP250 chip, and overvoltage and current-limiting protection circuit comprise two voltage-stabiliser tubes and a resistance, drive circuit output series resistor, and through two voltage-stabiliser tube ground connection.
The described amplifying circuit that compares has voltage comparator.
The invention has the beneficial effects as follows: the present invention is by solar module and AC network collaborative work, after the voltage of solar module generation meets the demands, select solar module to be directly the chargings such as storage battery after voltage-stabilizing output circuit, reduce the use of AC network, thus save a large amount of non-renewable energy resources, also environmental protection simultaneously, reduces environmental pollution.Solar energy of the present invention and AC network work in coordination with charging system can apply each electric automobile charging station easily, utilize this green energy resource of solar energy to charging electric vehicle, set up charging device, build up as long as disposable, can use continuously for a long time, do not need to increase cost, environmental protection, safe and reliable, can be country and save a large amount of electric power, fuel resource., there is wide market application foreground.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of embodiment.
Fig. 2 is the circuit block diagram of charge control module in embodiment.
Fig. 3 ~ Fig. 5 is the circuit theory diagrams that in embodiment, solar energy and AC network work in coordination with charging system.
Embodiment
As shown in Figure 1, the present embodiment is that a kind of solar energy and AC network work in coordination with charging system, be applied to electric automobile charging station, comprise MCU core processing module 1, charging monitoring administration module 2, security module 3, accounting module 4, AC network 5, solar module 6 and charge control module 7, MCU core processing module 6 is connected with charging monitoring administration module circuit, and charge control module 7 is connected with solar module 6, AC network 5 and MCU core processing module 1 circuit.
As shown in Figure 2, in this example, charge control module 7 is by control switching circuit 71, current rectifying and wave filtering circuit I 72, voltage sampling circuit 73, relatively amplifying circuit 74 and voltage-stabilizing output circuit composition, wherein solar module 6 connects voltage-stabilizing output circuit through control switching circuit 71, AC network 5 is successively through current rectifying and wave filtering circuit I, control switching circuit connects voltage-stabilizing output circuit, control switching circuit 71 controls solar module 6 and accesses voltage-stabilizing output circuit or AC network 5 accesses voltage-stabilizing output circuit, voltage-stabilizing output circuit output can be connected with accumulator of electric car 8, the voltage of voltage-stabilizing output circuit stable output is charge in batteries.
In the present embodiment solar module 6 successively through voltage sampling circuit 73 with compare amplifying circuit 74 and be connected control switching circuit 71, relatively amplifying circuit 74 is sampled by voltage sampling circuit 73 voltage of solar module 6, this sampled voltage is compared with setting voltage (being DC350V in this example), and controls according to comparative result the power supply that control switching circuit 71 switches access.When measured solar module 6 voltage is greater than DC350V, control switching circuit 71 selects solar module 6 to access voltage-stabilizing output circuit, for accumulator of electric car 8 is powered; Otherwise then select AC network 5 to access voltage-stabilizing output circuit, for accumulator of electric car 8 is powered.
Voltage-stabilizing output circuit comprises the full bridge inverter 75, high frequency transformer B1 and the current rectifying and wave filtering circuit II 76 that are connected successively, the direct current that the direct current exported after AC network 5 rectification or solar module 6 export obtains the adjustable high-frequency alternating current of voltage after full bridge inverter 75, high-frequency alternating current is coupled to secondary through high frequency transformer B1, then by current rectifying and wave filtering circuit II 76 stable output direct current, for accumulator of electric car 8 charges.MCU core processing module 1 is sampled the electric current and voltage signal that current rectifying and wave filtering circuit II 76 exports, and controls full bridge inverter 75, thus controls output voltage.
As the circuit theory diagrams (in Fig. 3, A end to be held with A in Fig. 4 and is connected) that Fig. 3, Fig. 4 are the present embodiment, voltage sampling circuit 73 has resistance R1, R2; Relatively amplifying circuit 74 comprises voltage comparator U1 and peripheral circuit thereof; Control switching circuit 71 has biswitch relay J 1 and switch triode T1, this biswitch relay is made up of coil, switch I J1-1 and switch II J1-2, its coil is connected in series with switch triode T1, and switch triode T1 base stage connects and compares amplifying circuit 74 output.Current rectifying and wave filtering circuit I 72 is made up of rectifier bridge and electric capacity C1; Full bridge inverter 75 forms full-bridge inverter by igbt (IGBT) S1, S2, S3 and S4; Current rectifying and wave filtering circuit II 76 is made up of rectifier bridge and inductance L 2.
Resistance R1, R2 are serially connected with between the both positive and negative polarity of solar module 6, and resistance R1, R2 connecting place meets voltage comparator U1, and voltage comparator U1 output is connected with the base stage of switch triode T1, control switch triode T1 break-make.Switch I J1-1 is connected between solar module 6 and full bridge inverter 75, and switch II J1-2 is connected between current rectifying and wave filtering circuit I 72 and full bridge inverter 75.
Fig. 5 is the drive circuit (for igbt S1) of an igbt in full bridge inverter 75 in the present embodiment, and MCU core processing module 1 is connected with the grid circuit of igbt S1 in full bridge inverter 75 through this drive circuit, overvoltage and current-limiting protection circuit.
Tradition inverter drive circuit many employings 840 or 841 series or similar chip are as driving chip, considerably reduce the design of volume and peripheral circuit, offer convenience to circuit design, but its shortcoming is also very outstanding simultaneously, is mainly manifested in the following aspects:
(1) there is blind area
Protect from driving pulse outputs to, the time of delay of nearly 2.5us, this time delay is mainly for preventing misoperation during IGBT conducting.If there is such short time overcurrent, as long as be no more than the SCSOA limit, device can bear; If but work pulsewidth is less than this time, there is overcurrent condition again, continuous operation can not be protected by circuit, thus causes IGBT to damage very soon simultaneously.
(2) without over current protecting self-locking function
When overcurrent protection, self only has current PRF soft turn-off function, instead of closes completely.If there is overcurrent, it can only become normal drive singal into a series of range of decrease pulse, continuous operation, also causes damaging.After this just needs over-current detection, after guarantee soft switching, close pulse by external control circuit, could be stopped it and export
(3) protective feature
It is not enough that protective feature problem mainly comprises its back bias voltage, and overcurrent protection threshold values is too high differs from three aspects with soft switching protection reliability.
In the present embodiment, drive circuit adopts TLP250 chip, there is light-coupled isolation its inside, +-12V Power supply, in order to the interference signal of Isolation input, transmission drive singal, in order to realize the quick shutoff of IGBT, drive singal triode T2, T3 recommend amplification, there is larger current gain, to meet the requirement of IGBT gate-drive power.Overvoltage and current-limiting protection circuit comprise voltage-stabiliser tube Z1, Z2 and a resistance R5, the output series resistor R5 of drive circuit, and voltage-stabiliser tube Z1, Z2 ground connection through being connected in series.Voltage-stabiliser tube Z1, Z2 and resistance R5, in order to overvoltage and current-limiting protection, when IGBT conducting, produce the driving voltage of+16 volts between G, E; When IGBT turns off, the back bias voltage of-6V is provided between G, E, makes it effectively turn off.
Resistance R1, R2 sample solar module 6 through comparing amplifying circuit 74 control switch triode T1 break-make, thus control relay J1.When solar module 6 voltage is greater than 350V, compare amplifying circuit 74 control relay J1 break-make, switch I J1-1 closes, and switch II J1-2 opens, and circuit is powered by solar module 6; Otherwise switch I J1-1 opens, switch II J1-2 closes, and circuit is powered by AC network 5.
MCU core processing module 1 is compared by the set point before detection charging current, voltage and temperature and charging, control the grid of output 4 road PWM pulse width modulated wave to 4 IGBT, thus control its collector electrode to emitter current make-and-break time, optocoupler accepts the PWM mouth control signal that MCU core processing module 1 sends, drive IGBT power amplifier tube, reach the object controlling output voltage.
At full bridge inverter 75 and between switch I J1-1 and switch II J1-2, air switch K is installed in the present embodiment, in order to prevent occurring in circuit that short circuit or big current damage storage battery or electronic device.
Charging monitoring administration module 2 in the present embodiment: managed by the Back ground Information of PC to charging system, comprise system parameter setting, user management, priority assignation, Password Management etc.Administrative staff can be checked by the operational factor of monitoring PC to charger and be revised, and start and stop charger charging process, in charger running, monitor charging process in real time and record.By charger controller and vehicle mounted battery management system, the information of battery pack on electric automobile can also be read, record the data of each battery pack, in the future carrying out data analysis and battery maintenance provides foundation.
MCU core processing module 1: the maincenter link being charging system, HCS12 series 16 MCU mono-9S12DT128 adopting Motorola to release, inner except central processing unit CPU 12, support background debug mode and mass storage expansion, inside is integrated FLASH, EEP-ROM and RAM memory not only, but also the multiple interfaces such as integrated CAN, BDLC, SCI, SPI, HSIO, its major function comprises:
1, monitor charger state in real time, comprise parameter monitoring, metering and the displays such as electric current, voltage, time and electricity; There is human-computer interaction function simultaneously, multiple charging strategy can be provided according to the requirement of user.
2, detect solar cell input voltage in real time, switching electric network source voltage and sun-generated electric power are powered.
3, carry out exchanges data with charging system, accept the various orders that monitoring PC sends, ensure that the state of every platform charger is all under the monitoring at Charge Management interface.
4, complete and carry out communication with vehicle mounted battery management system, obtain the essential information of battery pack on car, and can complete according to the data of battery pack and automatically select charge mode and charge parameter.And the corresponding data of battery management system is sent to PC.
Claims (7)
1. a solar energy and AC network work in coordination with charging system, comprise AC network (5), MCU core processing module (1) and charging monitoring administration module (2), MCU core processing module is connected with charging monitoring administration module circuit, it is characterized in that: also comprise charge control module (7) and solar module (6), charge control module is connected with solar module, AC network and MCU core processing module circuit;
Described charge control module (7) has current rectifying and wave filtering circuit I (72), control switching circuit (71), voltage sampling circuit (73), compares amplifying circuit (74) and voltage-stabilizing output circuit, solar module (6) connects voltage-stabilizing output circuit through control switching circuit, AC network (5) connects voltage-stabilizing output circuit through current rectifying and wave filtering circuit I, control switching circuit successively, and control switching circuit (71) controls solar module or AC network access voltage-stabilizing output circuit;
Described solar module (6) successively through voltage sampling circuit (73) with compare amplifying circuit (74) and be connected control switching circuit (71), relatively amplifying circuit is by voltage sampling circuit sampling solar module voltage, and sampled voltage is compared with setting voltage, control according to comparative result the power supply that control switching circuit (71) switches access.
2. solar energy according to claim 1 and AC network work in coordination with charging system, it is characterized in that: described control switching circuit (71) has biswitch relay J 1 and switch triode T1, this biswitch relay is by coil, switch I J1-1 and switch II J1-2 forms, its coil is connected in series with switch triode T1, switch triode T1 base stage connects and compares amplifying circuit (74) output, switch I J1-1 is connected between solar module (6) and voltage-stabilizing output circuit, switch II J1-2 is connected between current rectifying and wave filtering circuit I (72) and voltage-stabilizing output circuit.
3. solar energy according to claim 2 and AC network work in coordination with charging system, it is characterized in that: described switch I J1-1 and be connected to air switch K between switch II J1-2 and voltage-stabilizing output circuit.
4. solar energy according to claim 2 and AC network work in coordination with charging system, it is characterized in that: described voltage-stabilizing output circuit comprises full bridge inverter (75), high frequency transformer B1 and the current rectifying and wave filtering circuit II (76) be connected successively, after AC network (5) rectification or the direct current that exports of solar module (6) after full bridge inverter, obtain the adjustable high-frequency alternating current of voltage, high-frequency alternating current is coupled to secondary through high frequency transformer B1, by current rectifying and wave filtering circuit II stable output direct current.
5. solar energy according to claim 4 and AC network work in coordination with charging system, it is characterized in that: described full bridge inverter (75) is made up of 4 igbts; The electric current that described MCU core processing module (1) sampling voltage-stabilizing output circuit exports and voltage signal, and control output 4 road PWM to 4 igbt grids, control igbt grid make-and-break time, thus control output voltage.
6. solar energy according to claim 5 and AC network work in coordination with charging system, it is characterized in that: described MCU core processing module (1) is connected with full bridge inverter (75) circuit through drive circuit, overvoltage and current-limiting protection circuit; Described drive circuit adopts TLP250 chip, and overvoltage and current-limiting protection circuit comprise two voltage-stabiliser tubes and a resistance, drive circuit output series resistor, and through two voltage-stabiliser tube ground connection.
7. solar energy according to claim 1 and 2 and AC network work in coordination with charging system, it is characterized in that: the described amplifying circuit (74) that compares has voltage comparator U1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410458657.2A CN104242441A (en) | 2014-09-10 | 2014-09-10 | Solar energy and AC network collaborative charging system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410458657.2A CN104242441A (en) | 2014-09-10 | 2014-09-10 | Solar energy and AC network collaborative charging system |
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| CN104242441A true CN104242441A (en) | 2014-12-24 |
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| CN201410458657.2A Pending CN104242441A (en) | 2014-09-10 | 2014-09-10 | Solar energy and AC network collaborative charging system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680546A (en) * | 2015-11-18 | 2016-06-15 | 辽宁立洲能源科技有限公司 | Solar power photoelectric complementary charging system |
| CN108233508A (en) * | 2018-02-11 | 2018-06-29 | 江苏卡威汽车工业集团股份有限公司 | A kind of charging management system of pick up automobile battery |
| CN109927585A (en) * | 2019-03-21 | 2019-06-25 | 唐国齐 | Electric vehicle portable automatic charge device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201298752Y (en) * | 2008-11-29 | 2009-08-26 | 河南英博电气有限公司 | Power supply switch module of electric power theft-proof alarm |
| CN101888113A (en) * | 2010-07-06 | 2010-11-17 | 湖南新亚胜科技发展有限公司 | Solar power supply control system and control method |
| CN102102841A (en) * | 2010-12-31 | 2011-06-22 | 桂林市百能科技设备有限责任公司 | High-efficiency solar lighting system |
| CN204089335U (en) * | 2014-09-10 | 2015-01-07 | 浙江省能源与核技术应用研究院 | Solar energy and AC network work in coordination with charging system |
-
2014
- 2014-09-10 CN CN201410458657.2A patent/CN104242441A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201298752Y (en) * | 2008-11-29 | 2009-08-26 | 河南英博电气有限公司 | Power supply switch module of electric power theft-proof alarm |
| CN101888113A (en) * | 2010-07-06 | 2010-11-17 | 湖南新亚胜科技发展有限公司 | Solar power supply control system and control method |
| CN102102841A (en) * | 2010-12-31 | 2011-06-22 | 桂林市百能科技设备有限责任公司 | High-efficiency solar lighting system |
| CN204089335U (en) * | 2014-09-10 | 2015-01-07 | 浙江省能源与核技术应用研究院 | Solar energy and AC network work in coordination with charging system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105680546A (en) * | 2015-11-18 | 2016-06-15 | 辽宁立洲能源科技有限公司 | Solar power photoelectric complementary charging system |
| CN108233508A (en) * | 2018-02-11 | 2018-06-29 | 江苏卡威汽车工业集团股份有限公司 | A kind of charging management system of pick up automobile battery |
| CN109927585A (en) * | 2019-03-21 | 2019-06-25 | 唐国齐 | Electric vehicle portable automatic charge device |
| CN109927585B (en) * | 2019-03-21 | 2022-07-01 | 唐国齐 | Portable automatic charging device for electric vehicle |
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Application publication date: 20141224 |