CN204706909U - The photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function - Google Patents
The photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function Download PDFInfo
- Publication number
- CN204706909U CN204706909U CN201520365840.8U CN201520365840U CN204706909U CN 204706909 U CN204706909 U CN 204706909U CN 201520365840 U CN201520365840 U CN 201520365840U CN 204706909 U CN204706909 U CN 204706909U
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- photovoltaic charged
- mppt
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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
- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model provides a kind of photovoltaic charged device of electric-vehicle-mounted of MPPT function, and it comprises solar cell panel assembly, photovoltaic charged control device and lead-acid battery of electric vehicle.Solar cell panel assembly comprises solar panel and a booster circuit, and solar panel can be folded into little rectangular box, is loaded in electromobile boot; Photovoltaic charged control device charges to lead-acid battery of electric vehicle with Boost circuit, with the function of anti-overcharge electricity, overdischarge, anti-reverse, short-circuit protection and temperature-compensating, charging circuit is driven by PWM, control the optimum discharge and recharge of storage battery, detected the ambient temperature of storage battery by digital temperature sensor, extend the useful life of lead acid accumulator; Add a MPPT control strategy in photovoltaic charged control device, regulated the output voltage of solar cell by the duty ratio D of control DC/DC converter switches, thus realize MPPT control, reach the object that solar cell effectively utilizes.
Description
Technical field
The utility model relates to a kind of electric vehicle charging device, particularly relates to the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function.
Background technology
In China, electric motor car, owing to having the advantages such as energy-saving and environmental protection, moderate cost, the speed of a motor vehicle be moderate, has incorporated the daily life of ordinary people widely, has become indispensable life instrument.But, in electric motor car use procedure, larger problem is the charging problems of lead acid accumulator, " overcharge " and " overdischarge " phenomenon of lead acid accumulator is ubiquity in the routine use process of electric motor car, have a strong impact on the useful life of storage battery, in addition, capacity of lead acid battery limited (being generally 10Ah), causes electric motor car course continuation mileage limited, even often occurs awkward situation road there just is not electricity.At present, the fixed solar recharging stake of domestic and international electric motor car solar cell is arranged on unit carport top or top, parking lot, residential quarter, charging requirement time during cannot meeting electric motor car driving process or in the wild; And build have the unit of ceiling mounted solar charger or residential quarter considerably less, the overwhelming majority remain conventional residential electricity consumption charging; Charging requirement time during although shading type solar charger can realize electric motor car driving process or in the wild, but Rainproof awning is installed on the one hand often need to increase units up to a hundred investment, and this kind of solar charger is often integrated with electric motor car Rainproof awning is fixed together, do not possess portable advantage.
Utility model content
For prior art Problems existing, the purpose of this utility model is to provide the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function, charge flexibly for electromobile battery can be given at any time and solution is provided, not only can extend the useful life of lead acid accumulator, and improve the course continuation mileage of electric motor car simultaneously.
To achieve these goals, the utility model is by the following technical solutions: the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function, comprise the solar cell panel assembly connected successively, photovoltaic charged control device and lead-acid battery of electric vehicle, described solar cell panel assembly comprises interconnective solar panel and a booster circuit, for the solar energy of absorption is converted to electric energy, described photovoltaic charged control device comprises current detection circuit, voltage detecting circuit, MPPT control circuit, DC/DC change-over circuit, control circuit, drive circuit, charge-discharge circuit, temperature sensing circuit and over-discharge protection circuit, described MPPT control circuit connects described booster circuit and described DC/DC change-over circuit, described current detection circuit and described voltage detecting circuit are connected described MPPT control circuit respectively, described DC/DC change-over circuit connects described lead-acid battery of electric vehicle, described control circuit is connected described DC/DC change-over circuit with described drive circuit, described temperature sensing circuit is connected described lead-acid battery of electric vehicle with over-discharge protection circuit.
Wherein said lead-acid battery of electric vehicle is 48V/10Ah.
The gross power of wherein said solar panel is 80W, is 4W by 20 power, and the monocrystaline silicon solar cell sheet being of a size of 125 mm × 125mm consists of parallel way.
With lightning arrester in the circuit of wherein said solar panel.
The solar panel of wherein said 80W boosts to 60V by a booster circuit, charges to be given to 48V lead-acid battery of electric vehicle.
Wherein said solar panel is a regular hexahedron, can be folded into a little rectangular box, is easy to carry.
Wherein said photovoltaic charged control device take microprocessor as main control unit, adopts PWM mode to drive charging circuit.
Compared with prior art, the utility model has following beneficial effect: the utility model provides the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function, solar cell in the photovoltaic charged device of described electric-vehicle-mounted adopts parallel circuits, avoids the problem that certain one or a few solar cell becomes other solar cell loads.Lightning arrester is added in described solar panel circuit, prevent thunder and lightning to the infringement of solar panel, described photovoltaic charged control device adopts PWM to drive charging circuit, control the optimum discharge and recharge of storage battery, extend the useful life of lead acid accumulator, described photovoltaic charged control device, also with MPPT function, ensures that solar cell operates in maximum power point all the time, can fully effectively utilize absorbed sunlight.
Accompanying drawing illustrates:
Fig. 1 is electric-vehicle-mounted photovoltaic charging system frame diagram;
Fig. 2 is the compound mode circuit diagram of solar cell;
Fig. 3 is the schematic diagram of solar panel;
Fig. 4 is electric-vehicle-mounted photovoltaic charging system circuit structure diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
As Fig. 1, the utility model provides the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function, comprise solar cell panel assembly, photovoltaic charged control device and lead-acid battery of electric vehicle, described solar cell panel assembly comprises solar panel and a booster circuit, for the solar energy of absorption is converted to electric energy, and is sent in storage battery and stores; Described photovoltaic charged control device comprises current detection circuit, voltage detecting circuit, MPPT control strategy, DC/DC change-over circuit, control circuit, drive circuit, charge-discharge circuit, temperature sensing circuit and over-discharge protection circuit, for controlling the operating state of whole system; Add a MPPT control strategy in described photovoltaic charged control device, realize effective utilization of solar cell.
As Fig. 2, solar panel consists of parallel way 20 monocrystaline silicon solar cell sheet PV, with an anti-reverse Diode series after the parallel connection of monocrystalline solar cells sheet, prevents storage battery to solar panel reverse charging; Also add lightning arrester in circuit, effectively protect solar panel to attack from thunder and lightning.
As Fig. 3, solar panel is designed to a regular hexahedron, and wherein, in five faces of regular hexahedron, every one side is made up of 4 monocrystaline silicon solar cell sheets.Solar panel has portable feature, can be folded into a little rectangular box, during use, and deploying solar energy cell panel; The not used time, be positioned in the boot of electric motor car after solar panel is folded.
As Fig. 4, electric-vehicle-mounted photovoltaic charging system device adopts one to charge to lead-acid battery of electric vehicle with the Boost circuit of MPPT function, and Boost circuit adopts PWM control mode to regulate the duty ratio D of DC/DC converter switches.In described Boos circuit, switch driving circuit is open-minded, the reverse-biased cut-off of diode, inductance L energy storage, electric capacity C
ofor electric motor car load R
lenergy is provided.Load terminal voltage U during stable state
loutput voltage U is held with solar cell PV
pVpass be:
by the output voltage of the duty ratio D of control DC/DC converter switches just adjustable solar cell, thus realize MPPT and control.MPPT control method is duty ratio interference method, the variable quantity of duty cycle of switching when disturbance step-length is each pwm signal disturbance.
Photovoltaic charged control device, using microprocessor as main control unit, adopts PWM mode to drive charging circuit, and the timer interruption of microprocessor produces pwm signal.Described photovoltaic charged control device, with the function of anti-overcharge electricity, overdischarge, anti-reverse, short-circuit protection and temperature-compensating, to realize the optimum discharge and recharge of storage battery, extends the useful life of lead acid accumulator.Voltage detecting circuit is for identifying the intensity of illumination and obtaining the terminal voltage of storage battery; Current detection circuit is for detecting the electric current I of solar cell
pVwith the electric current of storage battery; Temperature sensing circuit compensates for the charging temperature of storage battery.
The photovoltaic charged device of described a kind of electric-vehicle-mounted with MPPT function, when there being sunlight, being connected the charge circuit of solar panel to storage battery, thus is realized the charging to storage battery; When without sunlight, the electricity consumption of electric motor car load is guaranteed in battery discharging.
The above embodiment only have expressed execution mode of the present utility model; it describes comparatively concrete and detailed; but can not limit protection range of the present utility model with this, all equivalence changes done according to essence of the present utility model, all should be encompassed in protection range of the present utility model.
Claims (7)
1. the photovoltaic charged device of the electric-vehicle-mounted with MPPT function, comprise the solar cell panel assembly connected successively, photovoltaic charged control device and lead-acid battery of electric vehicle, described solar cell panel assembly comprises interconnective solar panel and a booster circuit, for the solar energy of absorption is converted to electric energy, described photovoltaic charged control device comprises current detection circuit, voltage detecting circuit, MPPT control circuit, DC/DC change-over circuit, control circuit, drive circuit, charge-discharge circuit, temperature sensing circuit and over-discharge protection circuit, described MPPT control circuit connects described booster circuit and described DC/DC change-over circuit, described current detection circuit and described voltage detecting circuit are connected described MPPT control circuit respectively, described DC/DC change-over circuit connects described lead-acid battery of electric vehicle, described control circuit is connected described DC/DC change-over circuit with described drive circuit, described temperature sensing circuit is connected described lead-acid battery of electric vehicle with over-discharge protection circuit.
2. the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function according to claim 1, is characterized in that, described lead-acid battery of electric vehicle is 48 V/10 Ah.
3. the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function according to claim 1, it is characterized in that, the gross power of described solar panel is 80 W, is 4 W by 20 power, and the monocrystaline silicon solar cell sheet being of a size of 125 mm × 125 mm consists of parallel way.
4. the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function according to claim 1, is characterized in that, with lightning arrester in the circuit of described solar panel.
5. the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function according to claim 3, is characterized in that, the solar panel of described 80 W boosts to 60 V by a booster circuit, charges to be given to 48 V lead-acid battery of electric vehicle.
6. the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function according to claim 1, it is characterized in that, described solar panel is a regular hexahedron, can be folded into a little rectangular box, is easy to carry.
7. the photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function according to claim 1, is characterized in that, described photovoltaic charged control device take microprocessor as main control unit, adopts PWM mode to drive charging circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365840.8U CN204706909U (en) | 2015-06-01 | 2015-06-01 | The photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520365840.8U CN204706909U (en) | 2015-06-01 | 2015-06-01 | The photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function |
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| CN204706909U true CN204706909U (en) | 2015-10-14 |
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| CN201520365840.8U Expired - Fee Related CN204706909U (en) | 2015-06-01 | 2015-06-01 | The photovoltaic charged device of a kind of electric-vehicle-mounted with MPPT function |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058970A (en) * | 2016-06-02 | 2016-10-26 | 合肥尚硕新能源有限公司 | Solar electric vehicle charging controller |
| CN106374608A (en) * | 2016-09-21 | 2017-02-01 | 成都启立辰智科技有限公司 | Photovoltaic charging system for electric vehicle |
| CN106505713A (en) * | 2016-12-02 | 2017-03-15 | 广州格绿朗遮阳篷科技有限公司 | A kind of method and system for controlling multiple solar panels generatings |
| CN107342725A (en) * | 2017-06-09 | 2017-11-10 | 镇江宇神动力能源有限公司 | A kind of automobile self-carrying solar cell |
| CN110098734A (en) * | 2019-05-15 | 2019-08-06 | 广东省华虎新能源科技有限公司 | A kind of voltage method for transformation for ferric phosphate lithium cell group |
| CN111674271A (en) * | 2020-05-08 | 2020-09-18 | 苏州工业园区职业技术学院 | Vehicle-mounted photovoltaic charging system of electric automobile |
| WO2022017213A1 (en) * | 2020-07-19 | 2022-01-27 | 林浩生 | Electric vehicle charging system capable of solar power generation |
-
2015
- 2015-06-01 CN CN201520365840.8U patent/CN204706909U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058970A (en) * | 2016-06-02 | 2016-10-26 | 合肥尚硕新能源有限公司 | Solar electric vehicle charging controller |
| CN106058970B (en) * | 2016-06-02 | 2019-03-22 | 合肥尚硕新能源有限公司 | A kind of solar electric vehicle charge controller |
| CN106374608A (en) * | 2016-09-21 | 2017-02-01 | 成都启立辰智科技有限公司 | Photovoltaic charging system for electric vehicle |
| CN106505713A (en) * | 2016-12-02 | 2017-03-15 | 广州格绿朗遮阳篷科技有限公司 | A kind of method and system for controlling multiple solar panels generatings |
| CN106505713B (en) * | 2016-12-02 | 2020-04-17 | 广州格绿朗遮阳篷科技有限公司 | Method and system for controlling power generation of multiple solar cell panels |
| CN107342725A (en) * | 2017-06-09 | 2017-11-10 | 镇江宇神动力能源有限公司 | A kind of automobile self-carrying solar cell |
| CN110098734A (en) * | 2019-05-15 | 2019-08-06 | 广东省华虎新能源科技有限公司 | A kind of voltage method for transformation for ferric phosphate lithium cell group |
| CN110098734B (en) * | 2019-05-15 | 2021-01-29 | 广东省华虎新能源科技有限公司 | Voltage conversion method for lithium iron phosphate battery pack |
| CN111674271A (en) * | 2020-05-08 | 2020-09-18 | 苏州工业园区职业技术学院 | Vehicle-mounted photovoltaic charging system of electric automobile |
| WO2022017213A1 (en) * | 2020-07-19 | 2022-01-27 | 林浩生 | Electric vehicle charging system capable of solar power generation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151014 Termination date: 20160601 |