CN105529814A - Electric vehicle, electric vehicle solar charging method and device - Google Patents

Electric vehicle, electric vehicle solar charging method and device Download PDF

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Publication number
CN105529814A
CN105529814A CN201610107955.6A CN201610107955A CN105529814A CN 105529814 A CN105529814 A CN 105529814A CN 201610107955 A CN201610107955 A CN 201610107955A CN 105529814 A CN105529814 A CN 105529814A
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CN
China
Prior art keywords
charging
solar cell
storage battery
preset value
way
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Pending
Application number
CN201610107955.6A
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Chinese (zh)
Inventor
李春林
孙永权
王建辉
徐江江
黄鹏鹏
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Hangzhou Branch Beijing Dearcc Automobile Technology Co Ltd
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Hangzhou Branch Beijing Dearcc Automobile Technology Co Ltd
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Application filed by Hangzhou Branch Beijing Dearcc Automobile Technology Co Ltd filed Critical Hangzhou Branch Beijing Dearcc Automobile Technology Co Ltd
Priority to CN201610107955.6A priority Critical patent/CN105529814A/en
Publication of CN105529814A publication Critical patent/CN105529814A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L8/00Electric propulsion with power supply from forces of nature, e.g. sun or wind
    • B60L8/003Converting light into electric energy, e.g. by using photo-voltaic systems
    • 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
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention provides an electric vehicle, an electric vehicle solar charging method and an electric vehicle solar charging device. The electric vehicle comprises a power battery, a storage battery and a solar cell. The electric vehicle solar charging method comprises the steps of: detecting residual electric quantity of the storage battery; detecting whether the solar cell generates a current; generating a first charging signal when detecting and determining that the residual electric quantity of the storage battery is lower than a first preset value and the solar cell generates current; converting the current of the solar cell into a charging current of the storage battery according to the first charging signal; generating a second charging signal when detecting and determining that the residual electric quantity of the storage battery is higher than a second preset value and the solar cell generates current; and converting the current of the solar cell into a charging current of the power battery according to the second charging signal, wherein the second preset value is greater than the first preset value. The electric vehicle, the electric vehicle solar charging method and the electric vehicle solar charging device can achieve bidirectional charging of the storage battery and the power battery by utilizing solar energy, and ensure normal use of the storage battery and the power battery.

Description

A kind of electric automobile solar charging method for electrically, device and electric automobile
Technical field
The present invention relates to electric automobile field, in particular to a kind of electric automobile solar charging method for electrically, device and electric automobile.
Background technology
Along with the increase of automobile pollution, use fossil fuel increasing as the impact of automobile on environment of the energy, the tail gas that engine produces contains multiple harmful and noxious substance, all can cause harmful effect to Environmental security and health.The appearance of electric automobile, solves the problem of environmental pollution of general-utility car.Electric automobile uses electrokinetic cell as power resources, uses storage battery as the power supply of low-voltage electrical apparatus on vehicle, can not produce tail gas, more environmental protection in driving process.If but there is the low and situation about cannot charge in time of electricity in storage battery in existing electric automobile or electrokinetic cell, the low-voltage electrical apparatus on vehicle will be caused to use, or vehicle cannot travel, and makes troubles to driver.
Summary of the invention
In view of this, the object of the embodiment of the present invention is to provide a kind of electric automobile solar charging method for electrically, can solve the problem.
Technical scheme provided by the invention is as follows:
A kind of electric automobile solar charging method for electrically, described electric automobile comprises electrokinetic cell, storage battery and solar cell, and described method comprises:
Detect the dump energy of described storage battery;
Detect described solar cell and whether generate electric current;
When detection determines that the dump energy of described storage battery is lower than the first preset value, and when described solar cell has electric current to generate, generate the first charging signals;
Be the charging current of described storage battery by the current conversion of described solar cell according to described first charging signals;
When detection determines that the dump energy of described storage battery is higher than the second preset value, and when described solar cell has electric current to generate, generate the second charging signals;
Be the charging current of described electrokinetic cell by the current conversion of described solar cell according to described second charging signals, described second preset value is greater than described first preset value.
Preferably, when determining that described solar cell does not generate electric current, and the voltage of described storage battery lower than the 3rd preset value time, generate the 3rd charging signals,
According to described 3rd charging signals, the electric energy of described electrokinetic cell is converted to the charging current of described storage battery.
Preferably, after the step of charging current according to described second charging signals by the current conversion of described solar cell being described electrokinetic cell, also comprise:
After detection determines that described electrokinetic cell is filled, cut off the charging current of described solar cell to described electrokinetic cell.
Present invention also provides a kind of charging device of electric automobile, described electric automobile comprises electrokinetic cell, storage battery and solar cell, and described charging device comprises: two-way DC-DC power control module and two-way DC-DC power conversion modules, wherein:
Described two-way DC-DC power control module is for determining the dump energy of storage battery and detecting described solar cell and whether generate electric current, when detection determines that the dump energy of described storage battery is lower than the first preset value, and described solar cell is when having electric current to generate, generate the first charging signals, and determine that the dump energy of described storage battery is higher than the second preset value when detecting, and described solar cell is when having electric current to generate, generate the second charging signals;
Described two-way DC-DC power conversion modules is connected with storage battery with described two-way DC-DC power control module, electrokinetic cell, solar cell respectively, for according to described first charging signals by the current conversion of described solar cell being the charging current of described storage battery, and be the charging current of described electrokinetic cell by the current conversion of described solar cell according to described second charging signals, described second preset value is greater than described first preset value.
Further, described two-way DC-DC power control module also for when determining that described solar cell does not generate electric current, and the voltage of described storage battery lower than the 3rd preset value time, generate the 3rd charging signals;
Described two-way DC-DC power conversion modules is also for being converted to the charging current of described storage battery by the electric energy of described electrokinetic cell according to described 3rd charging signals.
Further, described electric automobile also comprises entire car controller, wherein:
Described two-way DC-DC power control module and described entire car controller communicate to connect, for receiving the control command that described entire car controller exports.
Further, described two-way DC-DC power control module and described entire car controller are communicated to connect by controller local area network's CAN.
Further, described electric automobile also comprises battery controller, described battery controller for detecting dump energy or the health status of described electrokinetic cell, wherein:
Described two-way DC-DC power control module and described battery controller communicate to connect, and detect for receiving described battery controller the dump energy or health information that generate.
Further, described two-way DC-DC power control module and described battery controller are communicated to connect by controller local area network's CAN.
Present invention also provides a kind of electric automobile, comprise charging device recited above.
Compared with prior art, in the embodiment of the present application, by arranging solar cell on electric automobile, when accumulator electric-quantity is lower, can use solar cell that solar energy is converted to charge in batteries, and after storage battery dump energy meets instructions for use, then solar energy is converted to power battery charging.Solar cell is made to be different powered battery in different situations, when electric automobile cannot use charging pile to charge, power supply can be realized by solar energy widely distributed in environment, ensure the normal use of electric automobile, promote the experience of user.
For making above-mentioned purpose of the present invention, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present invention, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 provides a kind of schematic flow sheet of electric automobile solar charging method for electrically for the embodiment of the present invention;
The schematic flow sheet of the another kind of electric automobile solar charging method for electrically that Fig. 2 provides for the embodiment of the present invention;
The schematic flow sheet of the another kind of electric automobile solar charging method for electrically that Fig. 3 provides for the embodiment of the present invention;
The high-level schematic functional block diagram of a kind of electric automobile solar charging device that Fig. 4 provides for the embodiment of the present invention;
The high-level schematic functional block diagram of the another kind of electric automobile solar charging device that Fig. 5 provides for the embodiment of the present invention;
The high-level schematic functional block diagram of the another kind of electric automobile solar charging device that Fig. 6 provides for the embodiment of the present invention.
Reference numeral gathers:
Storage battery 100;
Electrokinetic cell 200;
Solar cell 300;
Two-way DC-DC power control module 400;
Two-way DC-DC power conversion modules 500;
Entire car controller 600;
Battery controller 700;
Key driving switch 800.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.The assembly of the embodiment of the present invention describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiments of the invention provided in the accompanying drawings and the claimed scope of the present invention of not intended to be limiting, but selected embodiment of the present invention is only represented.Based on embodiments of the invention, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.Meanwhile, in describing the invention, term " first ", " second " etc. only for distinguishing description, and can not be interpreted as instruction or hint relative importance.
The embodiment of the present application provides a kind of electric automobile solar charging method for electrically, and as shown in Figure 1, described electric automobile comprises electrokinetic cell, storage battery and solar cell, and described method comprises:
Step 101, detects the dump energy of described storage battery.
Storage battery on electric automobile is that the low-voltage electrical apparatus of vehicle interior is powered, and electrokinetic cell is as the power resources of running car.When the electricity of storage battery is lower, the low-voltage electrical apparatus on electric automobile just can not normally use, and even causes electric automobile normally not travel.In the embodiment of the present application, the dump energy of storage battery can be detected, generally can be judged the dump energy of storage battery by the voltage detecting storage battery.
Step 102, detects described solar cell and whether generates electric current.
In the embodiment of the present application, electric automobile can also comprise solar cell, and can install solar cell on the surface of automobile, in the outdoor having sunlight, electric automobile just can carry out opto-electronic conversion by solar cell to sunlight, generating electric energy.The concrete installation site of solar cell and design parameter, the application does not limit, and can select according to actual needs.
Step 103, when detection determines that the dump energy of described storage battery is lower than the first preset value, and when described solar cell has electric current to generate, generates the first charging signals.
The concrete numerical value of the first preset value can set according to actual conditions, generally, storage battery dump energy is lower than the first preset value, the low-voltage electrical apparatus of electric automobile just possibly cannot normally work, now, solar cell has electric current to generate, and shows that electric automobile has external electric energy to supplement, namely generates the first charging signals.
The current conversion of described solar cell is the charging current of described storage battery according to described first charging signals by step 104.
By above-mentioned steps, the first charging signals is at the dump energy of storage battery lower than the first preset value, and generate when described solar cell has electric current to generate.Now, the electricity of storage battery is too low, and the electric current that just solar cell can be generated is that storage battery charges, and is recovered the electricity of storage battery as much as possible, ensure that battery-driven low-voltage electrical apparatus can normally use by solar cell.
Step 105, when detection determines that the dump energy of described storage battery is higher than the second preset value, and when described solar cell has electric current to generate, generates the second charging signals.
Step 106, be the charging current of described electrokinetic cell by the current conversion of described solar cell according to described second charging signals, described second preset value is greater than described first preset value.
When the dump energy determining storage battery is higher than the second preset value, the numerical value of the second preset value is greater than the first preset value, now show that the dump energy of storage battery can ensure the normal use of low-voltage electrical apparatus on electric automobile, the concrete size of the second preset value can set according to actual needs, generally can be set as 100%, namely, after storage battery is filled, and when described solar cell has electric current to generate, the second charging signals can be generated.
According to this second charging signals, the electric current of solar cell just can be used to charge for electrokinetic cell, solar energy can be fully utilized.
Use above-mentioned charging method, storage battery if there is electric automobile does not have electricity, when causing electric automobile normally to use, under only electric automobile need being placed in outdoor solar light, it can be just charge in batteries, and after charge in batteries meets instructions for use, also can be power battery charging, fully ensure the normal use of storage battery and electrokinetic cell.
In the embodiment of the present application, by arranging solar cell on electric automobile, when accumulator electric-quantity is lower, can use solar cell that solar energy is converted to charge in batteries, and after storage battery dump energy meets instructions for use, then solar energy is converted to power battery charging.Solar cell is made to be different powered battery in different situations, when electric automobile cannot use charging pile to charge, power supply can be realized by solar energy widely distributed in environment, ensure the normal use of electric automobile, promote the experience of user.
The embodiment of the present application additionally provides a kind of charging method, as shown in Figure 2, comprising:
Step 201, detects the dump energy of described storage battery;
Step 202, detects described solar cell and whether generates electric current;
Step 203, when detection determines that the dump energy of described storage battery is lower than the first preset value, and when described solar cell has electric current to generate, generates the first charging signals;
The current conversion of described solar cell is the charging current of described storage battery according to described first charging signals by step 204;
Step 205, when detection determines that the dump energy of described storage battery is higher than the second preset value, and when described solar cell has electric current to generate, generates the second charging signals;
Step 206, be the charging current of described electrokinetic cell by the current conversion of described solar cell according to described second charging signals, described second preset value is greater than described first preset value.
Step 201 is similar to 106 to step 101 to 206, repeats no more here.
Step 207, when determining that described solar cell does not generate electric current, and the voltage of described storage battery lower than the 3rd preset value time, generate the 3rd charging signals.
Above-described embodiment is all carry out when solar cell has electric current to generate, and in actual use, electric automobile also may occur that storage battery dump energy is lower, and solar cell cannot carry out the situation of charging.Such as, electric automobile is parked in indoor for a long time, do not use, the electricity of storage battery is through slowly electric discharge for a long time, the charge value normally used lower than one, namely lower than the 3rd preset value, generally, the numerical value of the 3rd preset value can be set to 12v, also can be set as other numerical value.Now, the 3rd charging signals can just be generated.
Step 208, according to described 3rd charging signals, is converted to the charging current of described storage battery by the electric energy of described electrokinetic cell.
3rd charging signals can be a wake-up signal, when the voltage of storage battery is lower than the 3rd default value, wakes the control system of battery up, uses electrokinetic cell to charge for storage battery.Ensure the normal electricity of storage battery, in time when not using for a long time, the electricity of storage battery also can remain on normal level, for the normal use of electric automobile is next time ready.
The embodiment of the present application additionally provides a kind of charging method, as shown in Figure 3, comprising:
Step 301, detects the dump energy of described storage battery;
Step 303, detects described solar cell and whether generates electric current;
Step 303, when detection determines that the dump energy of described storage battery is lower than the first preset value, and when described solar cell has electric current to generate, generates the first charging signals;
The current conversion of described solar cell is the charging current of described storage battery according to described first charging signals by step 304;
Step 305, when detection determines that the dump energy of described storage battery is higher than the second preset value, and when described solar cell has electric current to generate, generates the second charging signals;
Step 306, be the charging current of described electrokinetic cell by the current conversion of described solar cell according to described second charging signals, described second preset value is greater than described first preset value.
Step 301 is similar to 106 to step 101 to 306, repeats no more here.
Step 307, after detection determines that described electrokinetic cell is filled, cuts off the charging current of described solar cell to described electrokinetic cell.
When using solar cell to power battery charging, if charging complete, electrokinetic cell is filled, then without the need to proceeding charging, can cut off the charging to electrokinetic cell.
In the embodiment of the present application, after electrokinetic cell is filled, the charging current of solar cell can also be cut off, prevent electrokinetic cell from occurring overcharging phenomenon, ensure the safety of electrokinetic cell.
Present invention also provides a kind of charging device of electric automobile, as shown in Figure 4, electric automobile comprises electrokinetic cell 100, storage battery 200 and solar cell 300, and this charging device comprises: two-way DC-DC power control module 400 and two-way DC-DC power conversion modules 500.
Described two-way DC-DC power control module 400 is for determining the dump energy of storage battery 200 and detecting described solar cell 300 and whether generate electric current, when detection determines that the dump energy of described storage battery 200 is lower than the first preset value, and described solar cell 300 is when having electric current to generate, generate the first charging signals, and determine that the dump energy of described storage battery 200 is higher than the second preset value when detecting, and described solar cell 300 is when having electric current to generate, generate the second charging signals.
Described two-way DC-DC power conversion modules 500 is connected with storage battery 200 with described two-way DC-DC power control module 400, electrokinetic cell 100, solar cell 300 respectively, for according to described first charging signals by the current conversion of described solar cell 300 being the charging current of described storage battery 200, and be the charging current of described electrokinetic cell 100 by the current conversion of described solar cell 300 according to described second charging signals, described second preset value is greater than described first preset value.
Concrete function and the said method of two-way DC-DC power control module 400 and two-way DC-DC power conversion modules 500 are similar, and the effect of realization is also identical, repeats no more here.
Two-way DC-DC power control module 400 in the embodiment of the present application and two-way DC-DC power conversion modules 500 not only can realize the charging of solar cell 300 pairs of storage batterys 200, can also realize the charging to electrokinetic cell 100.
Further, described two-way DC-DC power control module 400 also for when determining that described solar cell 300 does not generate electric current, and the voltage of described storage battery 200 lower than the 3rd preset value time, generate the 3rd charging signals.
Described two-way DC-DC power conversion modules 500 is also for being converted to the charging current of described storage battery 200 by the electric energy of described electrokinetic cell 100 according to described 3rd charging signals.
In the embodiment of the present application, solar cell 300 can realize the charging to storage battery 200 or electrokinetic cell 100, can also realize the charging of electrokinetic cell 100 pairs of storage batterys 200, such charging modes is two-way, can meet the charging needs under different situations.Realize the charging to electric automobile by solar energy, farthest ensure that electric automobile uses normal, meet the demand of user.
Further, as shown in Figure 5, described electric automobile also comprises entire car controller 600, and described two-way DC-DC power control module 400 communicates to connect with described entire car controller 600, for receiving the control command that described entire car controller 600 exports.
Entire car controller 600 can export control command to two-way DC-DC power control module 400, can export the order such as charging interval, charging current.
Further, as shown in Figure 6, described electric automobile also comprises battery controller 700, described battery controller 700 is for detecting dump energy or the health status of described electrokinetic cell 100 or storage battery 200, wherein said two-way DC-DC power control module 400 communicates to connect with described battery controller 700, detects for receiving described battery controller 700 dump energy or health information that generate.
In electric automobile, battery controller 700 can detect dump energy and the health status of electrokinetic cell 100 or storage battery 200, making two-way DC-DC power control module 400 when controlling electric current, the design parameters such as charging current can be adjusted according to the concrete condition of electrokinetic cell 100 or storage battery 200.
Preferably, described two-way DC-DC power control module 400 is communicated to connect by controller local area network's CAN with described entire car controller 600.
Preferably, described two-way DC-DC power control module 400 is communicated to connect by controller local area network's CAN with described battery controller 700.
Preferably, described solar cell 300 comprises multiple solar cell 300 monomer, and described solar cell 300 adopts monocrystalline silicon, polysilicon or flexible battery assembly.
Further, described electric automobile also comprises key driving switch 800, and described key driving switch 800 is connected with described two-way DC-DC power control module 400, for starting the measuring ability of described two-way DC-DC power control module 400.
Preferably, described 3rd preset value is 12V.
The embodiment of the present application additionally provides a kind of electric automobile, comprises charging device recited above.
In several embodiments that the application provides, should be understood that disclosed apparatus and method also can realize by another way.Device embodiment described above is only schematic, and such as, the flow chart in accompanying drawing and block diagram show device according to multiple embodiment of the present invention, the architectural framework in the cards of method and computer program product, function and operation.In this, each square frame in flow chart or block diagram can represent a part for module, program segment or a code, and a part for described module, program segment or code comprises one or more executable instruction for realizing the logic function specified.Also it should be noted that at some as in the implementation of replacing, the function marked in square frame also can be different from occurring in sequence of marking in accompanying drawing.Such as, in fact two continuous print square frames can perform substantially concurrently, and they also can perform by contrary order sometimes, and this determines according to involved function.Also it should be noted that, the combination of the square frame in each square frame in block diagram and/or flow chart and block diagram and/or flow chart, can realize by the special hardware based system of the function put rules into practice or action, or can realize with the combination of specialized hardware and computer instruction.
In addition, each functional module in each embodiment of the present invention can integrate formation one independently part, also can be modules individualism, also can form an independently part by two or more module integrations.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.It should be noted that: represent similar terms in similar label and letter accompanying drawing below, therefore, once be defined in an a certain Xiang Yi accompanying drawing, then do not need to define further it and explain in accompanying drawing subsequently.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.

Claims (10)

1. an electric automobile solar charging method for electrically, is characterized in that, described electric automobile comprises electrokinetic cell, storage battery and solar cell, and described method comprises:
Detect the dump energy of described storage battery;
Whether detect described solar cell has electric current to export;
When detection determines that the dump energy of described storage battery is lower than the first preset value, and when described solar cell has electric current to export, generate the first charging signals;
The current delivery exported by described solar cell according to described first charging signals to described storage battery is described charge in batteries;
When detection determines that the dump energy of described storage battery is higher than the second preset value, and when described solar cell has electric current to export, generate the second charging signals;
The current delivery exported by described solar cell according to described second charging signals to described electrokinetic cell is described power battery charging, and described second preset value is greater than described first preset value.
2. method according to claim 1, is characterized in that, also comprises:
When determining that described solar cell does not have electric current to export, and the voltage of described storage battery lower than the 3rd preset value time, generate the 3rd charging signals,
According to described 3rd charging signals, controlling described electrokinetic cell is described charge in batteries.
3. method according to claim 1, is characterized in that, after the current delivery exported by described solar cell according to described second charging signals is the step of described power battery charging to described electrokinetic cell, also comprises:
After detection determines that described electrokinetic cell is filled, cut off the charging current of described solar cell to described electrokinetic cell.
4. an electric automobile solar charging device, it is characterized in that, described electric automobile comprises electrokinetic cell, storage battery and solar cell, and described charging device comprises: two-way DC-DC power control module and two-way DC-DC power conversion modules, wherein:
Whether described two-way DC-DC power control module is for detecting the dump energy of described storage battery and detecting described solar cell and have electric current to export, when the dump energy of described storage battery is lower than the first preset value, and described solar cell is when having electric current to export, generate the first charging signals, and when the dump energy of described storage battery is higher than the second preset value, and described solar cell is when having electric current to export, generate the second charging signals, described second preset value is greater than described first preset value;
Described two-way DC-DC power conversion modules is connected with storage battery with described two-way DC-DC power control module, electrokinetic cell, solar cell respectively, current delivery to described storage battery for being exported by described solar cell according to described first charging signals is described charge in batteries, and is described power battery charging according to current delivery to the described electrokinetic cell that described solar cell exports by described second charging signals.
5. charging device according to claim 4, it is characterized in that, described two-way DC-DC power control module also for when determining that described solar cell does not have electric current to export, and the voltage of described storage battery lower than the 3rd preset value time, generation the 3rd charging signals;
Described two-way DC-DC power conversion modules is also described charge in batteries for controlling described electrokinetic cell according to described 3rd charging signals.
6. charging device according to claim 4, is characterized in that, described electric automobile also comprises entire car controller, wherein:
Described two-way DC-DC power control module and described entire car controller communicate to connect, for receiving the control command that described entire car controller exports.
7. charging device according to claim 6, is characterized in that, described two-way DC-DC power control module and described entire car controller are communicated to connect by controller local area network's CAN.
8. charging device according to claim 4, is characterized in that, described electric automobile also comprises battery controller, described battery controller for detecting dump energy or the health status of described electrokinetic cell, wherein:
Described two-way DC-DC power control module and described battery controller communicate to connect, and detect for receiving described battery controller the dump energy or health information that generate.
9. charging device according to claim 8, is characterized in that, described two-way DC-DC power control module and described battery controller are communicated to connect by controller local area network's CAN.
10. an electric automobile, is characterized in that, comprises the charging device described in claim 4 to 9 any one.
CN201610107955.6A 2016-02-26 2016-02-26 Electric vehicle, electric vehicle solar charging method and device Pending CN105529814A (en)

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CN107351691A (en) * 2017-07-28 2017-11-17 安徽易威斯新能源科技股份有限公司 A kind of vehicle mounted electric automobile charging pile
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