CN203697986U - Vehicle-mounted solar power supply system for electric vehicles - Google Patents

Vehicle-mounted solar power supply system for electric vehicles Download PDF

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Publication number
CN203697986U
CN203697986U CN201420008976.9U CN201420008976U CN203697986U CN 203697986 U CN203697986 U CN 203697986U CN 201420008976 U CN201420008976 U CN 201420008976U CN 203697986 U CN203697986 U CN 203697986U
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China
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low
inverter
solar
vehicle
voltage
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CN201420008976.9U
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Inventor
郭红星
张君鸿
鲁连军
苏伟
邵桂欣
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Beijing Treasure Car Co Ltd
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Beiqi Foton Motor Co Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

Abstract

The utility model discloses a vehicle-mounted solar power supply system for electric vehicles. The vehicle-mounted solar power supply system comprises a power battery, an inverter, a low-voltage load, a solar charger and a solar battery panel, wherein the inverter is provided with a high-voltage port and a low-voltage port; the power battery is connected with the high-voltage port of the inverter; the inverter is in a bi-directional DC-DC mode; the low-voltage load is connected with the low-voltage port of the inverter; the solar charger is provided with a low-voltage input end and a low-voltage output end, the positive pole end and the negative pole end of the low-voltage output end of the solar charger are respectively connected with the positive pole end and the negative pole end of the low-voltage port of the inverter; and the solar battery panel is connected with the low-voltage input end of the solar charger. The utilization rate of a vehicle device and the energy utilization rate can be improved through design of the system and control of an energy management strategy.

Description

The vehicle-mounted solar electric power supply system of electronlmobil
Technical field
The utility model relates to automobile technical field, particularly, and the particularly vehicle-mounted solar electric power supply system of a kind of electronlmobil.
Background technology
Fuel-engined vehicle is the vehicle indispensable in city, and the environmental pollution of following rise of the oil price and vehicle exhaust to bring is day by day serious, and the development of electronlmobil is also more and more faster, day by day universal.Solar cell is the device that directly light energy conversion is become to electric energy by photoelectric effect or Photochemical effects, and China's solar cell keeps the advantage of output and cost performance always, and international competitiveness also strengthens day by day, and output continues to increase.The application of solar electrical energy generation on automobile can effectively reduce global environmental pollution, create clean living environment, and along with global economy and scientific and technical develop rapidly, the application of solar charging power technology on electronlmobil is also by increasingly mature and universal.
The electric energy that solar power provides is low-voltage electric energy, and in the time that the electrokinetic cell of battery-driven car is charged, because electrokinetic cell is high-tension battery, therefore existing solar charger generally all comprises inverter, can be directly for electrokinetic cell charges by inverter.But on existing battery-driven car, there is this equipment of inverter, use existing installation can cause vehicle arrangement degree of utilization not high; Inverter can cause very large loss to electric energy simultaneously, therefore can bring utilization rate of electrical lower.
Utility model content
The utility model is intended to solve at least to a certain extent one of above-mentioned technical matters of the prior art.For this reason, the purpose of this utility model is intended to realize raising vehicle arrangement degree of utilization, and improves the vehicle-mounted solar electric power supply system of electronlmobil of electric energy capacity usage ratio.
According to aspect of the utility model, provide a kind of electronlmobil vehicle-mounted solar electric power supply system, comprising: electrokinetic cell; Inverter, described inverter has high pressure port and low-pressure port; Described electrokinetic cell is connected with described inverter high pressure port; Described inverter is bi-directional DC-DC; Also comprise low-voltage load, described low-voltage load is connected with the low-pressure port of described inverter; Solar charger, described solar charger has low pressure input end and low-voltage output, and the positive terminal of described solar charger low-voltage output is connected with negative pole end with the positive terminal of described inverter low-pressure port respectively with negative pole end; Solar panel, described solar panel is connected with described solar charger low pressure input end.
According to the vehicle-mounted solar recharging system of electronlmobil of the present utility model, utilize vehicle-mounted existing equipment inverter just can realize the charging of solar charger to high voltage power battery, improve the degree of utilization of vehicle arrangement.By adopting rational energy management strategy, power in driving process at vehicle, can be car load load supplying by solar charger in good time, it is power battery charging that excess energy can be converted into high pressure by inverter; In OFF shelves docking process, be directly high voltage power battery charging by inverter, can reduce like this vehicle direct inversion of energy in driving process that powers on is the degradation of energy that high pressure brings, and carries high-octane degree of utilization.
In addition, according to the vehicle-mounted solar electric power supply system of the electronlmobil of the utility model above-described embodiment, can also there is following additional technical characterictic:
Described solar charger comprises controller and relay, and the switch terminals of described relay is connected with the positive terminal of the output cathode end of described controller and the low-voltage output of described solar charger respectively; Coil-end one end of described relay is connected with the control end of described controller, and the output negative pole end of the other end and described controller is parallel-connected to the negative pole end of the low-voltage output of described solar charger.
Described solar charger is by CAN and carry out communication with described inverter.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming the description of embodiment obviously and easily, wherein:
Fig. 1 is according to the vehicle-mounted solar electric power supply system circuit diagram of electronlmobil of the present utility model.
Detailed description of the invention
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " cw ", orientation or the position relationship of instructions such as " conter clockwises " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
As shown in Figure 1, according to the vehicle-mounted solar electric power supply system of the electronlmobil of embodiment of the present utility model, comprising: electrokinetic cell 1; Inverter 2, inverter 2 has high pressure port and low-pressure port; Electrokinetic cell 1 is connected with the high pressure port of inverter 2; Inverter 2 is bi-directional DC-DC, also comprises low-voltage load 3, and low-voltage load 3 is connected with the low-pressure port of inverter 2.Solar charger 5, solar charger 5 has low pressure input end and low-voltage output, and the positive terminal of solar charger 5 low-voltage outputs is connected with negative pole end with the positive terminal of inverter 2 low-pressure ports respectively with negative pole end; Solar panel 4, solar panel 4 is connected with solar charger 5 low pressure input ends.
The utility model proposes the vehicle-mounted solar electric power supply system of a kind of electronlmobil, solar panel 4 is accepted after sunshine electric energy in postpartum, and electric energy is offered to solar charger 5, the low-voltage output of solar charger 5 is connected with the low-pressure port of inverter 2, after inverter 2 voltage inversions, output high-tension current is supplied with electrokinetic cell 1.Inverter 2 is bi-directional DC-DC, and its effect is, can change the high-tension current of electrokinetic cell 1 into low tension, and also can the low tension of solar charger 5 be converted to high-tension current according to system situation is that electrokinetic cell 1 charges.
The inverter apparatus that the design of the vehicle-mounted solar electric power supply system of this electronlmobil has utilized vehicle originally to have, does not need in addition to increase inverter again and just can realize the charging of solar charger 5 to electrokinetic cell 1, has improved the degree of utilization of vehicle arrangement.The utility model proposes the vehicle-mounted solar electric power supply system of a kind of electronlmobil, power in driving process at vehicle, what solar charger 5 was in good time is the power supplies such as such as car light of car load load 3, if there is unnecessary energy, can be converted into high pressure by inverter 2 is that electrokinetic cell 1 charges; In OFF shelves docking process, solar charger 5 is the charging of high voltage power battery by inverter 2.In the prior art, in vehicle powers on driving process, solar charger 5 is that high pressure offers electrokinetic cell 1 by direct energy inversion, electrokinetic cell 1 is converted to low pressure by the existing inverter 2 of vehicle by high pressure again, offer again car load low-voltage electrical appliance, and inverter can lose a lot of electric weight, therefore will cause like this loss of energy.And the vehicle-mounted solar electric power supply system of electronlmobil of the present utility model can reduce the vehicle degradation of energy that the direct inversion of energy brings for high pressure in driving process that powers on, and carries high-octane degree of utilization.
The utility model proposes the vehicle-mounted solar electric power supply system of a kind of electronlmobil, as shown in Figure 1, solar charger 5 comprises controller 7 and relay 6, and controller 7 comprises input end and mouth.Mouth comprises three ports, is respectively output cathode end, output negative pole end and control end.The switch terminals of relay 6 is connected with the positive terminal of the low-voltage output of solar charger 5 with the output cathode end of controller 7 respectively; Coil-end one end of relay 6 is connected with the control end of controller 7, and the output negative pole end of the other end and controller (7) is parallel-connected to the negative pole end of the low-voltage output of solar charger 5.The effect of controller 7 is to control solar charger 5 whether to export electric energy.According to energy export control policy, in the time that controller judgement can be exported electric energy, can send low tension signal to control end, the coil-end of relay 6 obtains after low tension signal, relay 6 switches will be closed, and circuit will conducting, thereby solar charger 5 just can be exported electric energy.
The utility model proposes the vehicle-mounted solar electric power supply system of a kind of electronlmobil, as shown in Figure 1, solar charger 5 carries out communication by CAN and inverter 2.Its effect is that inverter 2 can be adjusted transformation condition according to the power condition of solar charger 5 at any time, and being converted to High voltage output state from low pressure output state is that electrokinetic cell 1 is powered.Its principle of work is, if vehicle is in operation or the charge condition of powering on, solar charger 5 is detected and is had ON shelves electric signal or charging signals by CAN network, and control relay 6 adhesives are the power supply of car load low-voltage electrical appliance, during by CAN network implementation, send low pressure horsepower output to inverter 2, inverter 2 is receiving the even standby of low pressure horsepower output that can reduce itself after the low pressure horsepower output of solar charger 5.Now judge whether excess energy in addition by inverter 2, if had, inverter 2 cuts out low pressure output and is converted to High voltage output pattern simultaneously, and it is that electrokinetic cell 1 charges that the excess energy that solar charger 5 is exported is converted to high-tension current.
It is as follows that it controls workflow:
When the output voltage of solar panel 4 reaches certain value, solar charger 5 is started working.
Solar charger 5 judges the input energy (voltage or power) of solar panel, when energy (voltage or power) reaches certain value, prepares output; Otherwise standby.
If vehicle is in operation or the charge condition of powering on, solar charger 5 is detected and is had ON shelves electric signal or charging signals by CAN network, and control relay 6 adhesives are the power supply of car load low-voltage electrical appliance, during by CAN network implementation, send low pressure horsepower output to inverter 2, inverter 2 is receiving the even standby of low pressure horsepower output that can reduce itself after the low pressure horsepower output of solar charger 5.
Now judge whether excess energy in addition by inverter 2, if had, inverter 2 cuts out low pressure output and is converted to High voltage output pattern simultaneously, and it is that electrokinetic cell 1 charges that the excess energy that solar charger 5 is exported is converted to high-tension current.
If vehicle is in parking OFF shelves state, solar charger 5 does not receive ON shelves signal or charging signals, does not now need low pressure output, and directly exporting high pressure by inverter 2 is electrokinetic cell 1 charging, for preventing that electrokinetic cell from overcharging, can limit output voltage in good time.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiment or example.In addition, those skilled in the art can engage the different embodiment that describe in this specification sheets or example and combine.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, amendment, replacement and modification.

Claims (3)

1. the vehicle-mounted solar electric power supply system of electronlmobil, is characterized in that, comprising:
Electrokinetic cell (1);
Inverter (2), described inverter (2) has high pressure port and low-pressure port; Described electrokinetic cell (1) is connected with described inverter (2) high pressure port, and described inverter (2) is bi-directional DC-DC;
Low-voltage load (3), described low-voltage load (3) is connected with the low-pressure port of described inverter (2);
Solar charger (5), described solar charger (5) has low pressure input end and low-voltage output, and the positive terminal of described solar charger (5) low-voltage output is connected with negative pole end with the positive terminal of described inverter (2) low-pressure port respectively with negative pole end;
Solar panel (4), described solar panel (4) is connected with described solar charger (5) low pressure input end.
2. the vehicle-mounted solar electric power supply system of electronlmobil according to claim 1, it is characterized in that, described solar charger (5) comprises controller (7) and relay (6), and the switch terminals of described relay (6) is connected with the positive terminal of the low-voltage output of described solar charger (5) with the output cathode end of described controller (7) respectively; Coil-end one end of described relay (6) is connected with the control end of described controller (7), and the output negative pole end of the other end and described controller (7) is parallel-connected to the negative pole end of the low-voltage output of described solar charger (5).
3. the vehicle-mounted solar electric power supply system of electronlmobil according to claim 1, is characterized in that, described solar charger (5) carries out communication by CAN and described inverter (2).
CN201420008976.9U 2014-01-07 2014-01-07 Vehicle-mounted solar power supply system for electric vehicles Active CN203697986U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420008976.9U CN203697986U (en) 2014-01-07 2014-01-07 Vehicle-mounted solar power supply system for electric vehicles

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Application Number Priority Date Filing Date Title
CN201420008976.9U CN203697986U (en) 2014-01-07 2014-01-07 Vehicle-mounted solar power supply system for electric vehicles

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105915160A (en) * 2016-04-22 2016-08-31 华中科技大学 Vehicle power supply system based on photovoltaic module group
US11101661B2 (en) 2016-05-11 2021-08-24 Sungrow Power Supply Co., Ltd. Device for suppressing potential induced degradation and system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105915160A (en) * 2016-04-22 2016-08-31 华中科技大学 Vehicle power supply system based on photovoltaic module group
CN105915160B (en) * 2016-04-22 2018-03-27 华中科技大学 A kind of vehicle powering system based on photovoltaic module group
US11101661B2 (en) 2016-05-11 2021-08-24 Sungrow Power Supply Co., Ltd. Device for suppressing potential induced degradation and system

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C14 Grant of patent or utility model
GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20180425

Address after: No. 188, Miyun District, Miyun District, Beijing, Beijing

Patentee after: Beijing treasure Car Co., Ltd.

Address before: 102206, Beijing, Shahe Town, Changping District Road, sand Yang

Patentee before: Beiqi Futian Automobile Co., Ltd.