CN104638696A - System and method for wirelessly charging new energy automobile by mobile energy storage power station - Google Patents
System and method for wirelessly charging new energy automobile by mobile energy storage power station Download PDFInfo
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- CN104638696A CN104638696A CN201310558153.3A CN201310558153A CN104638696A CN 104638696 A CN104638696 A CN 104638696A CN 201310558153 A CN201310558153 A CN 201310558153A CN 104638696 A CN104638696 A CN 104638696A
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- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims description 99
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Classifications
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- H02J7/025—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION 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
- B60L55/00—Arrangements for supplying energy stored within a vehicle to a power network, i.e. vehicle-to-grid [V2G] arrangements
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- H02J5/005—
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- H02J7/0027—
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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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 discloses a system and a method for wirelessly charging a new energy automobile by a mobile energy storage power station. The mobile energy storage power station comprises an energy storage battery pack and a power supply monitoring device. The system comprises an electric energy supply device, an electric energy receiving device and a battery management device, wherein the electric energy supply device transmits electric energy to the electric energy receiving device wirelessly by the aid of electromagnetic induction; the electric energy receiving device charges power batteries via the electric energy provided by the electric energy supply device; the power supply monitoring device is used for controlling a wireless charging process of the electric energy supply device; the battery management device is used for controlling the wireless charging process of the electric energy receiving device. Wireless charging of the new energy automobile by the mobile energy storage power station can be realized, the system has high safety and reliability and is simple and easy for charging, service life of charging equipment can be prolonged by the wireless charging mode, and high practicality is achieved.
Description
Technical field
The present invention relates to the power battery charging technical field of new-energy automobile, particularly a kind of for Mobile energy storage power station to the wireless charging system of new-energy automobile and method.
Background technology
Along with new-energy automobile, the particularly continuous popularization of electric automobile or hybrid vehicle, new-energy automobile is day by day relevant to our daily life.Because current electric motor car is by the impact of battery electric quantity, course continuation mileage is restricted, and is difficult to the trip requirements meeting user.Particularly after the electricity loss in traveling way of user's steering vehicle is complete, electric automobile cannot continue to travel, and affects the stroke of user.
Based on the problems referred to above, can be charged to electric motor car by mobile energy-accumulating power station, the electric motor car making electricity lower can obtain certain electricity, thus can reach neighbouring charging station or charge in other charging device places.Current mobile energy-accumulating power station is to the charging modes of electric automobile mainly wired charging modes, and this charging modes exists following weak point:
First, the lead-in wire moving carrying and high-voltage wiring harness of charging device is long, and manual operation is loaded down with trivial details.Existing connection device many employings wired connection, each charging all needs to plug connection device.
Secondly, due to manual operation, in charging process, very easily there is the factors such as the excessive wear of charging connection device and insecurity.There will be wearing and tearing during connection device plug, there is the high voltage component exposed, this brings certain impact to the fail safe of charging system, reliability, and shortens the useful life of charging device.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, one object of the present invention is to provide a kind of for the wireless charging system of Mobile energy storage power station to new-energy automobile, this system can realize the wireless charging of Mobile energy storage power station to electric automobile, there is higher safety and reliability, and it is simple to charge, adopt the mode of wireless charging can improve the useful life of charging device, there is higher applicability.
Second object of the present invention is that proposition is a kind of for the wireless charging method of Mobile energy storage power station to new-energy automobile.
For achieving the above object, the embodiment of first aspect present invention provides a kind of for the wireless charging system of Mobile energy storage power station to new-energy automobile, described Mobile energy storage power station comprises energy-storage battery group and apparatus for monitoring power supply, described system comprises: electric energy generator, electric energy receiving system and battery manager, wherein, described electric energy generator is positioned on Mobile energy storage power station, described electric energy receiving system and described battery manager are positioned on described new-energy automobile, described electric energy generator, for sending electric discharge request when the wireless communication signal of described electric energy receiving system being detected to described apparatus for monitoring power supply, and after described electric energy generator enters electric discharge request stage and described electric energy receiving system enters the charge request stage, wireless discharge flow path is entered when described energy-storage battery group meets default discharging condition, with the information of the electrokinetic cell according to described new-energy automobile, utilize electromagnetic induction to described electric energy generator wirelessly transmitting electrical energy, described electric energy receiving system, for sending described wireless communication signal to described electric energy generator and sending charge request when receiving the feedback of described electric energy generator to described battery manager, and after described electric energy generator enters electric discharge request stage and described electric energy receiving system enters the charge request stage, wireless charging flow process is entered when described electrokinetic cell meets preset charged condition, with utilize wireless receiving to the electric energy provided from described electric energy generator be described power battery charging, and the information of described electrokinetic cell is sent to described electric energy generator, described apparatus for monitoring power supply, for receiving the electric discharge request that described electric energy generator sends, and electric energy generator enters described electric discharge request stage according to described electric discharge Request Control, and when judging that described energy-storage battery group meets described default discharging condition, controlling described energy-storage battery group and entering described wireless discharge flow path to described electric energy generator electric energy transmitting to make described electric energy generator, described battery manager, for receiving the charge request of described electric energy receiving system, and control described electric energy receiving system according to described charge request and enter the described charge request stage, and when judging that described electrokinetic cell meets described preset charged condition, controlling described electric energy receiving system and entering described wireless charging flow process being described power battery charging by described electric energy receiving system.
According to the embodiment of the present invention for the wireless charging system of Mobile energy storage power station to new-energy automobile, the wireless charging of Mobile energy storage power station to new-energy automobile can be realized, decrease manual operation, thus improve the safety and reliability of new-energy automobile when charging, avoid in wired charging modes the charging connection device wearing and tearing plugging charging device and cause, degradation problem under connector service life of equipment.When ensureing enough hour of distance charging to automobile wireless in Mobile energy storage power station (as when the distance of transmitting coil and receiving coil is within the scope of 200mm), high efficiency delivery of electrical energy can be realized.In addition, the mode of wireless charging is easy and simple to handle, and user only need can realize wireless charging according to command prompt action button.Embodiments of the invention can carry out the charging of corresponding power for the real-time status of new-energy automobile power battery, to improve charge efficiency and the useful life of electrokinetic cell.In addition, by native system, user can be met out of doors to the demand of new-energy automobile charging, prevent automobile from affecting the stroke of user in the process of moving because electricity exhausts, improve the applicability of new-energy automobile.
Embodiment still provides of second aspect present invention is a kind of for the wireless charging method of Mobile energy storage power station to new-energy automobile, described Mobile energy storage power station comprises energy-storage battery group, apparatus for monitoring power supply and electric energy generator, described new-energy automobile comprises electric energy receiving system, battery manager and electrokinetic cell, said method comprising the steps of: control described electric energy generator and wireless telecommunications set up by described electric energy receiving system; After setting up wireless telecommunications, control described electric energy generator and enter electric discharge request stage and control described electric energy receiving system and enter the charge request stage; Described apparatus for monitoring power supply judges whether described energy-storage battery group meets default discharging condition and described battery manager judges whether described electrokinetic cell meets preset charged condition; If so, then controlling described energy-storage battery group is that described electric energy generator is powered; Described electric energy generator according to the Information Pull electromagnetic induction of described electrokinetic cell to described electric energy receiving system wirelessly transmitting electrical energy; Described electric energy receiving system charges to described electrokinetic cell.
According to the embodiment of the present invention for the wireless charging method of Mobile energy storage power station to new-energy automobile, the wireless charging of Mobile energy storage power station to new-energy automobile can be realized, decrease manual operation, thus improve the safety and reliability of new-energy automobile when charging, avoid in wired charging modes the charging connection device wearing and tearing plugging charging device and cause, degradation problem under connector service life of equipment.When ensureing enough hour of distance charging to automobile wireless in Mobile energy storage power station (as when the distance of transmitting coil and receiving coil is within the scope of 200mm), high efficiency delivery of electrical energy can be realized.In addition, the mode of wireless charging is easy and simple to handle, and user only need can realize wireless charging according to command prompt action button.Embodiments of the invention can carry out the charging of corresponding power for the real-time status of new-energy automobile power battery, to improve charge efficiency and the useful life of electrokinetic cell.In addition, by this method, user can be met out of doors to the demand of new-energy automobile charging, prevent automobile from affecting the stroke of user in the process of moving because electricity exhausts, improve the applicability of new-energy automobile.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is according to an embodiment of the invention for the schematic diagram of Mobile energy storage power station to the wireless charging system of new-energy automobile;
Fig. 2 is in accordance with another embodiment of the present invention for the structured flowchart of Mobile energy storage power station to the wireless charging system of new-energy automobile;
Fig. 3 is according to an embodiment of the invention for the electric energy transfer principle figure of Mobile energy storage power station to the wireless charging system of new-energy automobile;
Fig. 4 is according to an embodiment of the invention for the energy storage device system block diagram of Mobile energy storage power station to the wireless charging system of new-energy automobile;
Fig. 5 is according to an embodiment of the invention for the communication network schematic diagram of Mobile energy storage power station to the wireless charging system of new-energy automobile;
Fig. 6 is according to an embodiment of the invention for the mobile energy-accumulating power station control of discharge flow chart of Mobile energy storage power station to the wireless charging system of new-energy automobile;
Fig. 7 is according to an embodiment of the invention for the control flow chart that new-energy automobile carried out to wireless charging flow process of Mobile energy storage power station to the wireless charging system of new-energy automobile; And
Fig. 8 is in accordance with another embodiment of the present invention for the energy storage device system block diagram of Mobile energy storage power station to the wireless charging system of new-energy automobile.
Fig. 9 is according to an embodiment of the invention for the course diagram of Mobile energy storage power station to the wireless charging method of new-energy automobile.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Below in conjunction with accompanying drawing describe according to the embodiment of the present invention for Mobile energy storage power station to the wireless charging system of new-energy automobile and method.Wherein, above-mentioned new-energy automobile can be pure electric automobile or mixed power electric car.
Fig. 1 is according to an embodiment of the invention for the schematic diagram of Mobile energy storage power station to the wireless charging system of new-energy automobile.Fig. 2 is in accordance with another embodiment of the present invention for the structured flowchart of Mobile energy storage power station to the wireless charging system of new-energy automobile.
As depicted in figs. 1 and 2, according to an embodiment of the invention for the wireless charging system 100 of Mobile energy storage power station to new-energy automobile, wherein, Mobile energy storage power station comprises energy-storage battery group and apparatus for monitoring power supply, and this wireless charging system 100 comprises: electric energy generator 110, electric energy receiving system 120 and battery manager 130.Wherein, electric energy generator 110 is positioned on Mobile energy storage power station, and electric energy receiving system 120 and battery manager 130 are positioned on new-energy automobile.
Particularly, electric energy generator 110 is for when the wireless communication signal of electric energy receiving system 120 being detected, electric discharge request is sent to apparatus for monitoring power supply, and after electric energy generator 110 enters electric discharge request stage and electric energy receiving system 120 enters the charge request stage, wireless discharge flow path is entered when energy-storage battery group meets default discharging condition, with the information of the electrokinetic cell according to new-energy automobile, utilize electromagnetic induction to electric energy generator 110 wirelessly transmitting electrical energy.Wherein, in a concrete example of the present invention, when the state-of-charge of energy-storage battery group is not less than the first preset value and energy-storage battery group does not exist fault, apparatus for monitoring power supply judges that energy-storage battery group meets default discharging condition.Wherein, the first preset value is for presetting, and as a concrete example, the first preset value is but is not limited to 20%.
In one embodiment of the invention, after electric energy generator 110 enters wireless discharge flow path, electric energy generator 110 is also for carrying out self-inspection in real time and detecting whether with electric energy receiving system 120, communication failure occurs, if testing result occurs abnormal, then feed back to apparatus for monitoring power supply, apparatus for monitoring power supply controls energy-storage battery group and stops electric discharge, to guarantee the fail safe of charging process.
Electric energy receiving system 120 is for sending wireless communication signal to electric energy generator 110 and sending charge request when receiving the feedback of electric energy generator 110 to battery manager 130, and after electric energy generator 110 enters electric discharge request stage and electric energy receiving system 120 enters the charge request stage, wireless charging flow process is entered when electrokinetic cell meets preset charged condition, with utilize wireless receiving to the electric energy provided from electric energy generator 110 for power battery charging, and the information of electrokinetic cell is sent to electric energy generator 110.Wherein, in a concrete example of the present invention, when the state-of-charge of electrokinetic cell not higher than the second preset value and there is not fault in electrokinetic cell time, battery manager 130 judges that electrokinetic cell meets preset charged condition.Wherein, the second preset value is for presetting, and as a concrete example, the second preset value is such as but is not limited to 70%.
In one embodiment of the invention, after electric energy receiving system 120 enters wireless charging flow process, electric energy receiving system 120 is also for carrying out self-inspection in real time and detecting whether with electric energy generator 110, communication failure occurs, if testing result occurs abnormal, then feed back to battery manager 130, battery manager 130 controls electrokinetic cell and stops charging, to guarantee the fail safe of charging process.
The electric discharge request that apparatus for monitoring power supply sends for receiving electric energy generator 110, and enter electric discharge request stage according to this electric discharge Request Control electric energy generator 110, and when judging that energy-storage battery group meets default discharging condition, controlling energy-storage battery group and entering wireless discharge flow path to electric energy generator 110 electric energy transmitting to make electric energy generator 110.
Further, apparatus for monitoring power supply is also for after entering wireless discharge flow path at electric energy generator 110, control energy-storage battery group when default discharging condition or electric energy receiving system 120 exist fault stop powering to electric energy generator 110, to guarantee reliability and the fail safe of charging process when receiving discharge off instruction or judging that energy-storage battery group does not meet.
In addition, in one embodiment of the invention, after electric energy generator 110 enters wireless discharge flow path, apparatus for monitoring power supply is also for when detecting that energy-storage battery group breaks down and this fault is the level fault of energy-storage battery group, control electric energy generator 110 carries out limitting delivery of electrical energy from power to electric energy receiving system 120, further, if when this fault is the secondary failure of energy-storage battery group, then apparatus for monitoring power supply controls energy-storage battery group stopping electric discharge, to guarantee the safety of charging device.
In addition, apparatus for monitoring power supply also for judging the charge power being suitable for charging to electrokinetic cell according to the information of electrokinetic cell, and controls electric energy generator 110 with this charge power to electric energy receiving system 120 electric energy transmitting.Wherein, the information of electrokinetic cell includes but not limited to: the current residual electricity of electrokinetic cell, charging current, charge power, the highest single battery voltage, minimum single battery voltage, the highest single battery temperature, minimum single battery temperature and electrokinetic cell fault message etc.Like this, apparatus for monitoring power supply can judge according to the information of above-mentioned battery the charge power that is suitable for charging to electrokinetic cell, and controls electric energy generator 110 with this charge power to electric energy receiving system 120 electric energy transmitting.In other words, namely apparatus for monitoring power supply can according to the current residual electricity of electrokinetic cell, charging current, charge power, the highest single battery voltage, minimum single battery voltage, the highest single battery temperature, minimum single battery temperature and electrokinetic cell fault message, judge the suitable charge power of electrokinetic cell, thus electric energy generator 110 with this charge power to electric energy receiving system 120 electric energy transmitting to charge to electrokinetic cell, thus ensure that the charge efficiency higher to electrokinetic cell guarantees reliability to power battery charging and fail safe simultaneously.
The charge request that battery manager 130 sends for receiving electric energy receiving system 120, and enter the charge request stage according to this charge request control electric energy receiving system 120, and when judging that electrokinetic cell meets preset charged condition, control electric energy receiving system 120 enter wireless charging flow process with by electric energy receiving system 120 for power battery charging.
Further, battery manager 130 is also for controlling after electric energy receiving system 120 enters wireless charging flow process, do not meet preset charged conditioned disjunction electric energy receiving system 120 and there is fault time control braking force battery when receiving charging termination instruction or electrokinetic cell and stop charging, to guarantee reliability and the fail safe of charging process.
In addition, in one embodiment of the invention, after electric energy receiving system 120 enters wireless charging flow process, battery manager 130 is also for when detecting that electrokinetic cell breaks down and this fault is the level fault of electrokinetic cell, control electric energy receiving system 120 and send the instruction of limit power delivery to electric energy generator 110, so that electric energy generator 110 carries out to electric energy receiving system 120 delivery of electrical energy limitting power, further, if this fault is the secondary failure of electrokinetic cell, then battery manager 130 controls electrokinetic cell stopping charging, to guarantee the safety of charging device.
Generally speaking, in the above examples, battery manager 130 have to vehicle mounted dynamic battery carry out temperature sampling, voltage sample, to power battery charging and discharging current sampling function, there is the function calculating battery dump energy, and send to relevant electric component by CAN communication bundle of lines control signal, to realize the management to battery functi on.
Shown in composition graphs 1, Fig. 2 and Fig. 3, the embodiment of the present invention for the wireless charging system 100 of Mobile energy storage power station to new-energy automobile, also comprise: high-tension distribution box 140.Wherein, high-tension distribution box 140 is electrically connected with electric energy generator 110, electrokinetic cell and battery manager 130 respectively by high-voltage wiring harness, and high-tension distribution box 140 is controlled by battery manager 130, to control conducting and the disconnection of wireless discharge loop.Wherein, as a concrete example, high-tension distribution box 140 is high tension apparatus of a break-make big current, it is inner containing multiple contactor, battery manager 130 is by transmitting control signal to high-tension distribution box 140, the closed of its internal relay can be controlled and turn off, thus reaching the object controlling big current break-make, namely controlling conducting and the disconnection of high-voltage radio charge circuit (loop such as powered by vehicle mounted dynamic battery).In other words, such as high-tension distribution box 140 is after receiving the wireless charging contactor pickup signal that battery manager 130 sends over, and the wireless charging contactor adhesive of high-tension distribution box 140 inside, the conducting of wireless charging loop, charging starts.At the end of charging, battery manager 130 sends wireless charging contactor cut-off signal, then the wireless communication charging contactor of high-tension distribution box 140 inside disconnects, and wireless charging loop disconnects.
Composition graphs 1 to Fig. 3, the embodiment of the present invention be according to electromagnetic induction principle for the operation principle of Mobile energy storage power station to the wireless charging system 100 of new-energy automobile, by being contained in primary winding (i.e. transmitting coil) on Mobile energy storage power station to the secondary coil be contained on new-energy automobile (i.e. receiving coil) electric energy transmitting, charge with the storage battery (i.e. electrokinetic cell) realized new-energy automobile.In order to realize wireless charging, Mobile energy storage power station and new-energy automobile must install supporting equipment, carry out information interaction by home control network communication protocol between transmitting terminal (electric energy generator 110) and receiving terminal (electric energy receiving system 120), the content of communications protocol comprises identification, battery information, charging control signal and fault-signal etc.Charging transmitting end equipment (electric energy generator 110) on Mobile energy storage power station can detect neighbouring receiving terminal (electric energy receiving system 120).
What deserves to be explained is, in charging process, wireless charging device needs to have monitoring and defencive function, processes the abnormal conditions that whole system occurs.Wireless charging mode also needs the criterion of clear and definite charging complete, in case stopping power battery overcharge.Wireless charging system can record charge information and realize the charge of charging receiving end.
Further, as shown in Figure 1 to Figure 3, electric energy generator 110 mainly comprises: frequency up converter 111, wireless charging monitoring module 112, first wireless communication module, transmitting coil 113 and the first control module 114.
Wherein, frequency up converter 111 is for being converted to the alternating current of predeterminated frequency by the high voltage direct current exported from energy-storage battery group, predeterminated frequency presets according to the actual requirements.
Wireless charging monitoring module 112 is for carrying out fault detect to electric energy generator 110.As a concrete example, wireless charging monitoring module 112 such as can carry out information interaction by home control network communication protocol and electric energy receiving system 120, and the content of communications protocol such as comprises: battery information, charging control signal and safeguard protection signal etc.In charging process, charging device needs to have monitoring and defencive function, processes with the abnormal conditions occurred whole system.Namely electric energy generator 110 has intelligent monitoring function and communication function.Such as: wireless charging monitoring module 112 pairs of electric energy generators 110 carry out self-inspection.
First wireless communication module is used for carrying out wireless telecommunications with electric energy receiving system 120.As a concrete example, the communication of the first wireless communication module and electric energy receiving system 120 can adopt the Radio Transmission Technologys such as bluetooth, infrared or ZigBee to realize.
Transmitting coil 113 for alternating current is emitted to electric energy receiving system 120 with the form of electromagnetic field, specifically, by the alternating magnetic field of certain limit can be produced during alternating current around it in transmitting coil 113.
First control module 114 is for controlling frequency up converter 111, wireless charging monitoring module 112 and transmitting coil 113.Such as: the electric energy power output controlling transmitting coil 113, the charge requirement power being electrokinetic cell to make this power output.
Electric energy receiving system 120 mainly comprises: receiving coil 121, second wireless communication module 122, detection module 123, rectifier 124, dc-dc 125 and the second control module 126.
Wherein, receiving coil 121 is for producing induced current to receive the electric energy from transmitting coil 113 in the alternating magnetic field that produces at transmitting coil 113.In other words, namely when transmitting coil 113 produces alternating magnetic field, as long as receiving coil 121 is in transmitting coil 113 surrounding certain limit, based on electromagnetic induction principle, receiving coil 121 just can produce induced current, thus receives from the electric energy in transmitting coil 113.
Second wireless communication module 122 is for carrying out wireless telecommunications with electric energy generator 110.As a concrete example, wireless communication module 122 such as can carry out information interaction by home control network communication protocol and electric energy generator 110, and the content of communications protocol such as comprises: battery information, charging control signal and safeguard protection signal etc.
Detection module 123 is for carrying out fault detect to electric energy receiving system 120.Namely detecting electric energy receiving system 120 is there is fault etc., and Detection Information etc. can be sent to electric energy receiving system 110.Specifically, in charging process, charging device needs to have monitoring and defencive function, processes with the abnormal conditions occurred whole system.
Rectifier 124 is for being converted to direct current by the alternating current from receiving coil 121.
Dc-dc 125 is power battery charging for carrying out voltage transitions (boosting or step-down) to the direct current provided from rectifier 124 afterwards, to meet voltage requirements during power battery charging.
Second control module 126 is for controlling receiving coil 121, wireless communication module 122, detection module 123, rectifier 124 and dc-dc 125.Such as: according to the information of electrokinetic cell and the power output of charge power demand modeling dc-dc 125, to meet power demand during power battery charging, thus improve charge efficiency, reliability when guaranteeing power battery charging and fail safe.
Further, electric energy receiving system 120 also comprises: connector 127.Electric energy receiving system 120 is communicated with battery manager 130 by connector 127, such as, carry out CAN communication.More specifically, electric energy receiving system 120 is also by signal of communication line, self-test signal line, the fault-signal line of connector 127 with battery manager 130, and corresponding low-voltage power supply line is connected, for carrying out communication with the multiple parts on new-energy automobile.
It should be noted that in one embodiment of the invention, in charging flow, wireless charging system 100 controls the gear switch order that new-energy automobile does not respond new-energy automobile.Namely in charging process, when user switches automobile gears, automobile will not respond, and to be namely in halted state motionless until charging complete for automobile.
In a specific embodiment of the present invention, this is used for Mobile energy storage power station and operationally supports the use, to realize the wireless charging of Mobile energy storage power station to new-energy automobile mainly through charging control strategy and wireless charging system the wireless charging system 100 of new-energy automobile.Wherein, what charging control strategy mainly described is to the concrete operations flow process of vehicle mounted dynamic battery charging, and receiving equipment, battery manager, vehicle mounted dynamic battery, high-tension distribution box and instrument etc. that wireless charging system mainly comprises the transmitting end equipment be arranged on Mobile energy storage power station, power supply unit and is arranged on new-energy automobile.It should be noted that, vehicle just must allow charging under dead ship condition, the condition that vehicle mounted dynamic battery must meet wireless charging just allows to carry out wireless charging, the wireless charging device in onboard wireless charging device and Mobile energy storage power station needs alignment, and need as far as possible close between Wireless charging coil on Mobile energy storage power station and new-energy automobile, can charge efficiency be improved.In addition, need be determined the need of charging by wireless charging shift knob by user, charging modes is wireless charging, and wireless charging system has perfect safety monitoring function, and can change charge power according to on-vehicle battery state.And mobile energy-accumulating power station can carry out wireless charging to many new-energy automobiles simultaneously.In wireless charging process, when electric energy receiving system is operated in wireless charging process, namely when onboard wireless charging ECU and receiving coil are operated in charged state, during the electricity that the electric energy generator (i.e. wireless charging ECU and transmitting coil) namely receiving mobile energy-accumulating power station transmits, then charge circuit is: external coil---coil---rectification circuit---DC-DC change-over circuit---high-tension distribution box---vehicle mounted dynamic battery, namely receive the electricity transmitted from mobile energy-accumulating power station by coil, charge to vehicle mounted dynamic battery.
Wherein, the transmitting end equipment of above-mentioned mobile energy-accumulating power station, refers to the power station wireless charging ECU be arranged on mobile energy-accumulating power station.A mobile energy-accumulating power station may be configured with multiple transmitting end equipment.Transmitting end equipment has wireless communication function, the wireless charging request signal on neighbouring new-energy automobile can be detected, transmitting end equipment by electromagnetic induction Energy Transfer to the receiving equipment be arranged on new-energy automobile.Transmitting end equipment can be gone out the Energy Transfer of mobile energy-accumulating power station internal battery by transmitting coil, to a new-energy automobile charging.In addition, transmitting end equipment according to the charge power demand of car load, can change power output.
The power supply unit of mobile energy-accumulating power station, refers to and is arranged on energy-storage battery group on mobile energy-accumulating power station and power supply monitoring system (i.e. apparatus for monitoring power supply).Energy-storage battery group as the power supply of wireless charging system, for transmitting end equipment provides power supply.Power supply monitoring system is mainly used to battery parameter information and the operation conditions of monitoring energy-storage battery group, plays the effect of protection energy-storage battery group.
Receiving equipment on new-energy automobile, mainly refer to onboard wireless charging ECU, onboard wireless charging ECU energy and transmitting end equipment carry out wireless telecommunications, and can realize carrying out CAN communication with the Other related equipment on car, the energy that transmitting terminal transmits can be received, and according to the charge power demand of car load, with suitable power, vehicle mounted dynamic battery can be charged.
Above-mentioned battery manager have to vehicle mounted dynamic battery carry out temperature sampling, voltage sample, to power battery charging and discharging current sampling function, there is the function calculating battery dump energy, and send to relevant electric component by CAN communication bundle of lines control signal, to realize the management to battery functi on.
Vehicle mounted dynamic battery refers to and is arranged on new-energy automobile, and be the energy storage device that new-energy automobile provides Power output and powers for other power consumption equipments on car, can repeatedly charge, voltage is generally 12V or 24V.
High-tension distribution box is a high tension apparatus controlling high tension loop break-make, it is inner containing multiple contactor, battery manager, by transmitting control signal to high-tension distribution box, can control the closed of its internal relay and turn off, thus reaching the object controlling charge circuit break-make.Wherein, in high-tension distribution box, there is first connector, for receiving the control signal of battery manager, controlling the break-make of inside contactor.
In addition, in wireless charging system, battery manager and the onboard wireless ECU that charges is connected by CAN line.Onboard wireless charging ECU is connected with high-tension distribution box by high-voltage wiring harness.High-tension distribution box is connected with vehicle mounted dynamic battery by high-voltage wiring harness.Wireless charging ECU is connected by high-voltage wiring harness with coil.Wireless charging ECU is with a low pressure connector, and its effect carries out communication with the parts on new-energy automobile, comprising the CAN communication holding wire with battery manager, and self-test signal line and fault-signal line, and low-voltage power supply line.
The charging of user confirms to be realized by wireless charging shift knob.This wireless charging shift knob is controlled by user, presses this button when instrument occurs that wireless charging is pointed out, then beginning of charging, presses this button in wireless charging process, then end of charging.Wherein, the switching signal of this shift knob is detected by battery manager.
Stopping for charging refers to that car load hangs over P shelves or N shelves, and other high voltage electric equipment of car load also can work, except motor simultaneously.In wireless charging process, do not respond the change of gear signal.
As shown in Figure 3, for Mobile energy storage power station is according to an embodiment of the invention to the electric energy transfer principle schematic diagram of the wireless charging system of new-energy automobile.
Wherein, Part I: be arranged on the wireless charging energy storage device on mobile energy-accumulating power station, it comprises energy-storage battery group and power supply monitoring system (i.e. apparatus for monitoring power supply).
Specifically, energy-storage battery group provides DC power supply for frequency up converter.
Power supply monitoring system monitors the operating state of energy-storage battery group in real time.
Part II: the wireless charging transmitting end equipment on mobile energy-accumulating power station, mainly refers to power station wireless charging ECU, and its inside comprises frequency up converter, transmitting coil and wireless charging monitoring module.
Frequency up converter converts the alternating source of certain frequency to the direct current that energy-storage battery group exports.
Transmitting coil is launched the alternating current that frequency up converter converts with the form of electromagnetic field.The certain alternating current of frequency, through transmitting coil, produces the magnetic field of characteristic frequency change.
Wireless charging monitoring module can carry out wireless telecommunications with onboard wireless charging ECU, and energy and power supply monitoring system carry out CAN communication, monitor the operating state of transmitting end equipment.
Part III: be arranged on the receiving device in electric motor car, mainly refer to onboard wireless charging ECU, its inside comprises receiving coil, rectifier, power control module, dc-dc and voltage stabilizing circuit.
Produce induced current in the alternating magnetic field that receiving coil produces at transmitting coil, thus realize electric energy from charging electrical network to the transmission of onboard wireless charging ECU.
Rectifier converts d. c. voltage signal to the ac voltage signal of receiving coil.
Power control module (i.e. control module) mainly according to battery information and the charge power demand of battery manager transmission, controls the power output of rectifier.
Dc-dc carries out buck process to the voltage signal that power control module exports, so that charge to vehicle mounted dynamic battery.
Voltage stabilizing circuit carries out filtering process to the voltage signal that dc-dc exports, and makes the direct voltage of output more steady.
Part IV: vehicle-mounted energy storage device, comprises high-tension distribution box and vehicle mounted dynamic battery.
High-tension distribution box Main Function is the equipment as break-make high tension loop, in this example mainly as the switch of wireless charging high-pressure side.High-tension distribution box is after receiving the wireless charging contactor pickup signal that battery manager sends over, and the wireless charging contactor adhesive of high-tension distribution box inside, the conducting of wireless charging loop, charging starts.At the end of charging, battery manager sends wireless charging contactor cut-off signal, then the wireless communication charging contactor of high-tension distribution box inside disconnects, and wireless charging loop disconnects.
Vehicle mounted dynamic battery provides electric power to export for electric motor car, is carrying out in wireless charging process, and onboard wireless charging ECU charges to vehicle mounted dynamic battery.
As shown in Figure 4, mobile energy-accumulating power station being configured with multiple energy-storage battery group, is independently between each energy-storage battery group, and each energy-storage battery group can give a new-energy automobile charging.The battery information of each energy-storage battery group is responsible for collection by a Battery pack information acquisition device respectively, and send to corresponding apparatus for monitoring power supply, thus realize a mobile energy-accumulating power station simultaneously to multiple new-energy automobile wireless charging, and can not influence each other in wireless charging process, ensure that reliability and the charge efficiency of charging.
As shown in Figure 5, the embodiment of the present invention can be considered a wireless charging communication network for the wireless charging system 100 of Mobile energy storage power station to new-energy automobile, this wireless charging communication network comprises: Power Environment Monitoring Network, comfortable net, battery subnet, wireless charging subnet, onboard wireless charging net and Power Supply Monitoring subnet.
Particularly, the communication network of battery subnet mainly between battery information collector and battery manager 130, communication speed can be set to 250kbps, battery information collector gathers voltage and the temperature information of vehicle mounted dynamic battery, and send to battery manager 130 by battery subnet, battery manager 130 gathers vehicle mounted dynamic battery information, carries out respective handling.
The communication network of wireless charging subnet mainly between onboard wireless charging ECU and power station wireless charging ECU, onboard wireless charging ECU sends the current state information of vehicle mounted dynamic battery to power station wireless charging ECU, and charge power demand, power station wireless charging ECU, according to the battery information received, does corresponding adjustment.Power station wireless charging ECU calculates charge capacity, and sends to onboard wireless charging ECU.Wireless telecommunications are carried out between onboard wireless charging ECU and power station wireless charging ECU.
Power Supply Monitoring subnet refers to the communication network between power station wireless charging ECU and power supply monitoring system (i.e. apparatus for monitoring power supply), power supply monitoring system carries out communication by CAN line and power station wireless charging ECU, the speed of communication can be set to 250kbps, power supply monitoring system sends out energy battery state information to power station wireless charging ECU in real time, when power station wireless charging ECU fault, power supply monitoring system receives the fault-signal that power station wireless charging ECU sends, and stops wireless charging.
Onboard wireless charging host will refer to the communication network between battery manager 130 and onboard wireless charging ECU.Battery manager 130 carries out communication by CAN line and the onboard wireless ECU that charges, the speed of communication can be set to 250kbps, battery manager 130 sends battery status information to onboard wireless charging ECU in real time, when onboard wireless charging ECU fault, battery manager receives the fault-signal that onboard wireless charging ECU sends, and stops wireless charging.
The communication network of Power Environment Monitoring Network mainly between on-board high-voltage device, when wireless charging carries out, the speed of a motor vehicle is zero, and car load is in N shelves or P shelves, and battery manager 130 sends wireless charging signal to other high-tension apparatuses, to coordinate the carrying out of wireless charging.Such as send signal to electric machine controller, forbid that power of motor exports.
If comfortable host's battery manager 130 is to the communication network between instrument, so that instrument shows wireless charging index signal, instrument wireless charging switching signal sends to battery manager 130 by instrument, as startup and the stop signal of wireless charging.
Shown in composition graphs 6 and Fig. 7, with mobile energy-accumulating power station, wireless charging is carried out for example to electric automobile, being described for the charging strategy of Mobile energy storage power station to the wireless charging system 100 of new-energy automobile the embodiment of the present invention.The charging strategy of this wireless charging system 100 is specific as follows:
First, under normal circumstances: high-tension electricity in electric motor car, when P shelves or N shelves are hung in electric motor car, after static, wireless charging ECU(on car and a part for electric energy receiving system) start working, detect du vehicule every 1S and whether have wireless charging device, if wireless charging device do not detected in 30S, then onboard wireless charging ECU quits work.If have wireless charging device near detecting, then send wireless charging request to battery manager.Mobile energy-accumulating power station travel other static to electric motor car after, a part for power station wireless charging ECU(and electric energy generator) start the wireless communication signal of the receiving device near detecting.
Onboard wireless charging ECU sends wireless charging request signal to battery manager, and battery manager sends charge request signal to instrument, and user is the need of carrying out wireless charging in instrument prompting.If in instrument prompting wireless charging request signal 30S, user does not press the wireless charging shift knob on instrument desk, then wireless charging is forbidden in instrument display.If press the wireless charging shift knob in electric motor car, then onboard wireless charging ECU sends wireless charging to power station wireless charging ECU and allows information, if now wireless charging ECU in power station receives this information, then the match is successful for onboard wireless charging ECU and power station wireless charging ECU.For power station wireless charging ECU, have onboard wireless charging ECU communication signal near detecting after, send wireless charging request signal to power supply monitoring system, power supply monitoring system sends a signal to mobile energy-accumulating power station display screen, and display screen display wireless charging is ready.The charging that power station wireless charging ECU wait-receiving mode onboard wireless charging always ECU sends allows information, if in 30S, user does not press the wireless charging shift knob on instrument desk, then wireless charging is forbidden in display screen display.
After the match is successful, for energy-storage battery group, power supply monitoring system first detects the SOC(dump energy of energy-storage battery group) whether be less than 20%, as dump energy is less than 20%, then power supply monitoring system does not respond the charge request of power station wireless charging ECU, forbids wireless charging.For electric motor car, battery manager first detects the SOC(dump energy of vehicle mounted dynamic battery) whether be greater than 70%, as dump energy is greater than 70%, then battery manager does not respond the charge request of wireless charging ECU, forbids wireless charging.
If energy-storage battery group dump energy is greater than 20%, and vehicle mounted dynamic battery B dump energy is less than 70%, then whether battery manager detection vehicle mounted dynamic battery exists fault, comprise that electrokinetic cell monomer temperature is too high, electrokinetic cell monomer voltage is too high, electrokinetic cell electric leakage, electrokinetic cell sample line disconnect, the fault such as battery manager and battery information collector communication failures, if there is above-mentioned fault, then forbid wireless charging.Battery manager sends alarm signal to instrument, and wireless charging is forbidden in instrument display.Simultaneously, power supply monitoring system detects energy-storage battery group and whether there is fault, comprise the faults such as energy-storage battery monomer temperature is too high, energy-storage battery monomer voltage is too high, electric leakage, sample line disconnection, battery information collector communication failures, if there is above-mentioned fault, then forbid wireless charging.
If vehicle mounted dynamic battery and energy-storage battery group fault-free, then battery manager transmits control signal to high-tension distribution box, control the adhesive of wireless charging contactor, battery manager sends a signal to instrument, instrument display wireless charging indicator light, enter wireless charging flow process, power supply monitoring system controls to connect the wireless charging loop on mobile energy-accumulating power station simultaneously, and energy-storage battery group is powered to power station wireless charging ECU.
Wireless charging contactor is arranged on high-tension distribution box inside, and its effect is the switch be connected with vehicle mounted dynamic battery as onboard wireless charging ECU high-tension circuit part.
After entering wireless charging flow process, battery manager sends the battery information of vehicle mounted dynamic battery and charge power request and to charge ECU to onboard wireless, and onboard wireless charging ECU sends this information to power station wireless charging ECU.After power station wireless charging ECU receives this information, regulate charging power output, by the outside transmitting energy of coil.Onboard wireless charging ECU receives the energy from energy-storage battery group by coil, charges to vehicle mounted dynamic battery.The battery information wherein sent comprises vehicle mounted dynamic battery group current residual electricity, charging current, charge power the highest single battery voltage, minimum single battery voltage, the highest single battery temperature, minimum single battery temperature, and vehicle mounted dynamic battery fault message.
Power station wireless charging ECU detects wireless charging device always whether there is exception in the process of charging, and the content of detection comprises transmitting coil fault, power station wireless charging ECU output abnormality and power station wireless charging ECU communication failure; Onboard wireless charging ECU then detects receiving coil fault, onboard wireless charging ECU output abnormality and onboard wireless charging ECU communication failure.If deposit power station wireless charging device to there is as above fault, then wireless charging ECU in power station sends charging termination request signal to power supply monitoring system.Power supply monitoring system receives disconnection of wireless charge circuit after this information, stops wireless charging, and sends charge fault signal to display screen, and display screen display wireless charging device fault, power station wireless charging ECU sends fault message to onboard wireless charging ECU.If onboard wireless charging device exists as above fault, then onboard wireless charging ECU sends charging termination request signal to battery manager.Battery manager receives disconnection of wireless charging contactor after this information, stops wireless charging, and sends charge fault signal to instrument, and instrument display wireless charging device fault, onboard wireless charging ECU sends fault message to power station wireless charging ECU.
In wireless charging process, battery manager detects vehicle-mounted power battery information always, and the content of detection comprises whether temperature of powered cell is too high, whether electrokinetic cell voltage is too high, whether charging current is excessive, whether battery information collector exists fault.Temperature of powered cell is too high, electrokinetic cell overtension and charging current are crossed major break down and should a point situation be processed, and can be divided into level fault and secondary failure.When vehicle mounted dynamic battery generation level fault (general alarm), battery manager sends limit power charge information and to charge ECU to onboard wireless, onboard wireless charging ECU sends limit power information to power station wireless charging ECU, reduces current charge power, carries out the charging of limit power.When the generation of energy-storage battery group level fault (general alarm), power supply monitoring system sends limit power charge information to power station wireless charging ECU, power station wireless charging ECU sends this information and to charge ECU to onboard wireless, and power station wireless charging ECU reduces current charge power, carries out the charging of limit power.If there is secondary failure (seriously reporting to the police), or battery information collector fault, then battery manager disconnection of wireless charging contactor, power supply monitoring system disconnection of wireless charge circuit, wireless charging stops.
In wireless charging process, whether wireless charging system detects wireless charging always and completes.For electric motor car, when SOC is 100%, or user presses wireless charging shift knob, then wireless charging completes, and battery manager transmits control signal to high-tension distribution box, disconnection of wireless charging contactor.Meanwhile, battery manager sends charging complete information and to charge ECU to onboard wireless, and onboard wireless charging ECU sends charging completion signal again to power station wireless charging ECU, and power station wireless charging ECU stops to onboard wireless charging ECU transmitting energy.For energy-storage battery group, then when SOC is less than 10%, power supply monitoring system sends the not enough information of energy-storage battery group electricity to power station wireless charging ECU, and power station wireless charging ECU sends this information again and to charge ECU to onboard wireless, and disconnection of wireless charge circuit; In addition, user presses wireless charging shift knob, then wireless charging terminates.
In wireless charging process, power supply monitoring system one is straight through detection energy-storage battery group charging current and energy-storage battery group voltage, calculate charge capacity, send to display screen so that display, send charge capacity information to power station wireless charging ECU, power station wireless charging ECU sends charge capacity information and to charge ECU to onboard wireless, and onboard wireless charging ECU sends this information to battery manager simultaneously, battery manager sends charge capacity information again to instrument, so that display.
In wireless charging process, vehicle does not respond gear switch, and battery manager sends wireless charging state information to electric machine controller, and motor inactivity exports.After wireless charging terminates, battery manager sends charging ending message to electric machine controller, allows normal vehicle operation.
Specifically, as shown in Figure 6, for according to an embodiment of the invention for the first electric automobile control of discharge flow chart of Mobile energy storage power station to the wireless charging system of new-energy automobile, comprise the steps:
Step S601: after mobile energy-accumulating power station traveling is other static to electric automobile, power station wireless charging ECU starts the wireless communication signal detecting neighbouring receiving device.In other words, the process of wireless telecommunications is namely set up.
Step S602: power station wireless charging ECU detects wireless charging device signal.Namely detect and whether have wireless communication signal.Step S603: judge whether the stand-by period exceedes such as 30S and wireless charging device signal also do not detected, if so, then performs step S612, otherwise performs step S604.
Step S604: power station wireless charging ECU sends wireless charging request signal to power supply monitoring system.Namely, after wireless communication signal being detected, electric energy generator sends electric discharge request to apparatus for monitoring power supply.
Step S605: power supply monitoring system sends a signal to mobile energy-accumulating power station display screen, display screen display wireless charging is ready.
Step S606: judge whether power station wireless charging ECU receives the charging permission information of onboard wireless charging ECU, if so, then performs step S608, otherwise performs step S307.Namely judge whether electric energy generator receives the charging permission information of electric energy receiving system feedback in Preset Time.
Step S607: judge that whether the stand-by period is more than 30S, if so, then performs step S612, otherwise performs step S606.
Step S608: the match is successful for wireless charging.Namely in Preset Time, after electric energy generator receives the permission charge information of electric energy receiving system feedback, then the match is successful to judge electric energy generator and electric energy receiving system wireless charging.
Step S609: power supply monitoring system detects the SOC(dump energy of energy-storage battery group) whether be less than 20%, if so, then perform step S612, otherwise perform step S610.
Step S610: judge whether energy-storage battery group exists fault, if so, then performs step S611, otherwise performs step S613.
Specifically, namely above-mentioned steps S609 and step S610 judges whether energy-storage battery group meets the process of default discharging condition.
Step S611: display screen display energy-storage battery group fault, and perform step S612 further.Namely energy-storage battery group does not meet default discharging condition, then judge that energy-storage battery group breaks down.
Step S612: forbid wireless charging.
Step S613: power supply monitoring system controls to connect wireless charging loop, and energy-storage battery group is powered to power station wireless charging ECU.Namely apparatus for monitoring power supply controls electric energy generator and enters electric discharge request stage, and is powered to electric energy receiving system by energy-storage battery group.
Step S614: enter wireless charging flow process.Namely electric energy generator enters wireless discharge flow path, and meanwhile, electric energy receiving system enters wireless charging flow process.
The information of the vehicle mounted dynamic battery that step S615: power station wireless charging ECU reception onboard wireless charging ECU sends.Namely electric energy generator receives the information of the electrokinetic cell that electric energy receiving system sends.
Step S616: power station wireless charging ECU regulates charge power to export, by the outside transmitting energy of transmitting coil.Namely electric energy generator is according to the information of electrokinetic cell, regulates discharge power, is suitable for power battery charging to make this discharge power.
Step S617: power station wireless charging ECU detects the ruuning situation of mobile energy-accumulating power station wireless charging device.Namely the operation conditions of electric energy generator is detected.
Step S618: judge whether transmitting coil breaks down, if so, then performs step S619, otherwise performs step S321.
Step S619: stop wireless charging, power station wireless charging ECU send fault message to power supply monitoring system, display screen display wireless charging device fault message, and perform step S620 further.Fault message by electric energy generator sends to apparatus for monitoring power supply.
Step S620: send fault message and to charge ECU to onboard wireless.Fault message by electric energy generator is sent to electric energy receiving system.
Step S621: judge power station wireless charging ECU whether output abnormality, if so, then performs step S619, otherwise performs step S622.
Step S622: judge power station wireless charging ECU whether communication failure, if so, then performs step S619, otherwise performs step S623.Namely in discharge process, electric energy generator carry out in real time self-inspection with detect its whether with electric energy receiving system generation communication failure, if testing result occurs abnormal, then feed back to apparatus for monitoring power supply, then apparatus for monitoring power supply controls energy-storage battery group stopping electric discharge.
Step S623: power supply monitoring system detects energy-storage battery group information.
Step S624: judge that whether energy-storage battery group temperature is too high, if so, then performs step S625, otherwise performs step S628.
Step S625: judge whether energy-storage battery group is general alarm, if so, then performs step S626, otherwise performs step S627.Step S626: power supply monitoring system sends limit power charge information, and power station wireless charging ECU reduces current charge power.Namely energy-storage battery group breaks down and this fault is the level fault of energy-storage battery group, and now, electric energy generator carries out to electric energy receiving system the delivery of electrical energy limitting power.
Step S627: stop wireless charging, display screen display energy-storage battery group fault message.Namely, when the fault of above-mentioned energy-storage battery group is secondary failure, apparatus for monitoring power supply controls energy-storage battery group and stops electric discharge.
Step S628: judge that whether energy-storage battery group voltage is too high, if so, then performs step S625, otherwise performs step S629.
Step S629: judge that whether charging current is excessive, if so, then performs step S625, otherwise performs step S630.
Step S630: judge whether power station battery information collector breaks down, if so, then performs step S627, otherwise performs step S631.
Step S631: judge whether user presses wireless charging shift knob, if so, then performs step S632, otherwise performs step S633.
Step S632: power supply monitoring system sends charging complete information to power station wireless charging ECU, and disconnection of wireless charge circuit, and perform step S635 further.Namely charging process completes, and energy-storage battery group stops powering to electric energy generator.
Step S633: judge whether the SOC of energy-storage battery group is less than 10%, if so, then performs step S634, otherwise performs step S615.Namely judge whether energy-storage battery group also meets and preset discharging condition.
Step S634: power supply monitoring system sends the not enough information of energy-storage battery group electricity to power station wireless charging ECU, and disconnection of wireless charge circuit.Namely energy-storage battery group does not meet default discharging condition, then stop electric discharge.
Step S635: power station wireless charging ECU sends charging complete information to charge ECU to onboard wireless.Namely electric energy generator sends charging complete information to electric energy receiving system.
Step S636: wireless charging completes.
On the other hand, Fig. 7 is according to an embodiment of the invention for the control flow chart to new-energy automobile charging of Mobile energy storage power station to the wireless charging system of new-energy automobile, specifically comprises the steps:
Step S701: high-tension electricity on vehicle.Namely automobile travels.
Step S702: after stationary vehicle, the wireless communication signal of the transmitting end equipment (i.e. electric energy generator) near onboard wireless charging ECU searches.Namely electric energy receiving system and electric energy generator set up the process of wireless telecommunications.
Step S703: onboard wireless charging ECU detects wireless charging device signal.Namely judge whether electric energy generator detects the wireless communication signal that electric energy receiving system sends.
Step S704: judge that whether the stand-by period does not also detect wireless charging device signal more than 30S, if so, then perform step S714, otherwise perform step S705.
Step S705: onboard wireless charging ECU sends wireless charging request signal to battery manager.Namely, after electric energy generator detects identification signal, electric energy receiving system sends charge request to battery manager.
Step S706: battery manager sends a signal to instrument, user is the need of wireless charging in instrument prompting.
Step S707: judge whether user presses wireless charging button, if so, then performs step S709, otherwise performs step S708.
Step S708: judge that whether the stand-by period is more than 30S, if so, then performs step S714, otherwise performs step S707.Namely judge whether electric energy receiving system receives the information allowing charging in Preset Time.
Step S709: onboard wireless charging ECU sends wireless charging to power station wireless charging ECU and allows information.Namely electric energy receiving system sends the information allowing charging to electric energy generator.
Step S710: the match is successful for wireless charging.
Step S711: whether the SOC that battery manager detects vehicle mounted dynamic battery is greater than 70%, if so, then performs step S714, otherwise performs step S712.
Step S712: judge whether vehicle mounted dynamic battery exists fault, if so, then performs step S713, otherwise performs step S715.
Specifically, namely above-mentioned steps S411 and step S712 judges whether electrokinetic cell meets the process of preset charged condition.
Step S713: instrument display electrokinetic cell fault, and perform step S714 further.Namely electrokinetic cell does not meet preset charged condition, then judge electrokinetic cell fault.
Step S714: forbid wireless charging.
Step S715: battery manager controls the wireless charging contactor in adhesive high-tension distribution box.Namely battery manager controls charge circuit connection, and now, battery manager controls electric energy receiving system and enters the charge request stage, and is powered to it by electric energy generator.
Step S716: enter wireless charging flow process.Namely electric energy receiving system enters wireless charging flow process, and meanwhile, electric energy generator enters wireless discharge flow path.
Step S717: the battery information that battery manager sends vehicle mounted dynamic battery to charge ECU to onboard wireless.Namely battery manager sends the information of electrokinetic cell to electric energy receiving system, to determine to be suitable for the charge power to power battery charging.
Step S718: onboard wireless charging ECU receives the energy transmitted by receiving coil.Namely electric energy receiving system is by the electric energy of its receiving coil reception from electric energy generator.
Step S719: onboard wireless charging ECU detects the ruuning situation of vehicle-mounted wireless charging device.Namely the operation conditions of electric energy receiving system is detected.
Step S720: judge whether receiving coil exists fault, if so, then performs step S721, otherwise performs step S723.
Step S721: stop wireless charging, onboard wireless charging ECU sends fault message to battery manager, instrument display wireless charging device fault message, and performs step S722 further.Namely its fault message is sent to battery manager by electric energy receiving system.
Step S722: send fault message to power station wireless charging ECU.Fault message by electric energy receiving system is sent to electric energy generator.
Step S723: judge onboard wireless charging ECU whether output abnormality, if so, then perform step S721, otherwise perform step S724.
Step S724: judge onboard wireless charging ECU whether communication failure, if so, then perform step S721, otherwise perform step S725.Namely in charging process, electric energy receiving system carry out in real time self-inspection with detect its whether with electric energy generator generation communication failure, if testing result occurs abnormal, then feed back to battery manager, then battery manager controls electrokinetic cell and stops charging.
Step S725: battery manager detects the battery information of vehicle mounted dynamic battery.
Step S726: judge that whether temperature of powered cell is too high, if so, then performs step S727, otherwise performs step S730.
Step S727: judge whether electrokinetic cell is general alarm, if so, then performs step S728, otherwise performs step S729.
Step S728: battery manager sends limit power charge information, onboard wireless charging ECU sends limit power information to power station wireless charging ECU, reduces current charge power.Namely electrokinetic cell breaks down and this fault is the level fault of electrokinetic cell, now, electric energy receiving system sends limit power information to electric energy generator, and electric energy generator regulates discharge power to export according to this limit power information, is suitable for power battery charging to make this power.
Step S729: stop wireless charging, instrument display vehicle mounted dynamic battery fault message.Namely, when the fault of above-mentioned electrokinetic cell is secondary failure, battery manager controls electrokinetic cell and stops charging.
Step S730: judge that whether electrokinetic cell voltage is too high, if so, then performs step S727, otherwise performs step S731.
Step S731: judge that whether charging current is excessive, if so, then performs step S727, otherwise performs step S732.
Step S732: judge whether on-vehicle battery information acquisition device exists fault, if so, then performs step S729, otherwise performs step S733.
Step S733: judge whether user presses wireless charging shift knob, if so, then performs step S735, otherwise performs step S734.
Step S734: battery manager judges whether wireless charging completes, if so, then performs step S735, otherwise performs step S717.
Step S735: battery manager sends charging complete information and to charge ECU to onboard wireless, and disconnection of wireless charging contactor.Namely charging process completes, and battery manager controls electrokinetic cell and stops charging.
Step S736: onboard wireless charging ECU sends charging complete information to power station wireless charging ECU.Namely after charging complete, charging complete information is sent to electric energy generator by electric energy receiving system, stops electric discharge to make electric energy generator.
Step S737: wireless charging completes.
Fig. 8 is in accordance with another embodiment of the present invention for the energy storage device system block diagram of Mobile energy storage power station to the wireless charging system of new-energy automobile.As shown in Figure 8, mobile energy-accumulating power station only configures an energy-storage battery group, this energy-storage battery group can give many new-energy automobiles chargings simultaneously.What Fig. 8 and Fig. 4 was similar is each charge circuit has a power supply monitoring system, independently can control the break-make of this charge circuit, and not affect the work in other loop.With Fig. 4 unlike, energy-storage battery group on Fig. 8 is responsible for battery information collection by a Battery pack information acquisition device, and each power supply monitoring system shares the energy-storage battery group information that a Battery pack information acquisition device gathers, namely when energy-storage battery group fault, then wireless charging all can not be carried out in each wireless charging loop.
According to the embodiment of the present invention for the wireless charging system of Mobile energy storage power station to new-energy automobile, the wireless charging of Mobile energy storage power station to new-energy automobile can be realized, decrease manual operation, thus improve the safety and reliability of new-energy automobile when charging, avoid in wired charging modes the charging connection device wearing and tearing plugging charging device and cause, degradation problem under connector service life of equipment.When ensureing enough hour of distance charging to automobile wireless in Mobile energy storage power station (as when the distance of transmitting coil and receiving coil is within the scope of 200mm), high efficiency delivery of electrical energy can be realized.In addition, the mode of wireless charging is easy and simple to handle, and user only need can realize wireless charging according to command prompt action button.Embodiments of the invention can carry out the charging of corresponding power for the real-time status of new-energy automobile power battery, to improve charge efficiency and the useful life of electrokinetic cell.In addition, by native system, user can be met out of doors to the demand of new-energy automobile charging, prevent automobile from affecting the stroke of user in the process of moving because electricity exhausts, improve the applicability of new-energy automobile.
The invention allows for a kind of for the wireless charging method of Mobile energy storage power station to new-energy automobile.Fig. 9 is according to an embodiment of the invention for the flow chart of mobile energy-accumulating power station to the wireless charging method of new-energy automobile.
As shown in Figure 9, according to an embodiment of the invention for the wireless charging method of Mobile energy storage power station to new-energy automobile, wherein, mobile energy-accumulating power station comprises energy-storage battery group, apparatus for monitoring power supply and electric energy generator, and new-energy automobile comprises electric energy receiving system, battery manager and electrokinetic cell.As a concrete example, electrokinetic cell is such as vehicle mounted dynamic battery, refers to and is arranged on new-energy automobile, is the energy storage device that automobile provides Power output and powers for other power consumption equipments on car, it can carry out charging repeatedly, and voltage is generally 12V or 24V.Wherein, above-mentioned new-energy automobile is such as electric automobile or hybrid vehicle.The method comprises the following steps:
Step S901, controls electric energy generator and wireless telecommunications set up by electric energy receiving system.Specifically, electric energy generator can detect the identification signal that electric energy receiving system sends, to carry out wireless telecommunications each other.
Wherein, in one embodiment of the invention, electric energy generator comprises: frequency up converter, wireless charging monitoring module, the first wireless communication module, transmitting coil and the first control module.
Specifically, frequency up converter is used for the alternating current high voltage direct current exported from energy-storage battery group being converted to predeterminated frequency, and predeterminated frequency presets according to the actual requirements.
Wireless charging monitoring module is used for carrying out fault detect to electric energy generator.As a concrete example, wireless charging monitoring module such as can carry out information interaction by home control network communication protocol and electric energy receiving system, and the content of communications protocol such as comprises: battery information, charging control signal and safeguard protection signal etc.In charging process, charging device needs to have monitoring and defencive function, processes with the abnormal conditions occurred whole system.Namely electric energy generator has intelligent monitoring function and communication function.Such as: wireless charging monitoring module carries out self-inspection to electric energy generator.
First wireless communication module is used for carrying out wireless telecommunications with electric energy receiving system.As a concrete example, the communication of the first wireless communication module and electric energy receiving system can adopt the Radio Transmission Technologys such as bluetooth, infrared or ZigBee to realize.
Transmitting coil is used for alternating current to be emitted to electric energy receiving system with the form of electromagnetic field, specifically, by producing the alternating magnetic field of certain limit during alternating current around it in transmitting coil.
First control module for controlling the electric energy power output of transmitting coil, the charge requirement power being electrokinetic cell to make this power output.
Electric energy receiving system comprises: receiving coil, the second wireless communication module, detection module, rectifier, dc-dc and the second control module.
Specifically, receiving coil is used for producing induced current in the alternating magnetic field produced at transmitting coil to receive the electric energy from transmitting coil.In other words, namely when transmitting coil produces alternating magnetic field, as long as receiving coil is around transmitting coil in certain limit, based on electromagnetic induction principle, receiving coil just can produce induced current, thus receives from the electric energy in transmitting coil.
Second wireless communication module is used for carrying out wireless telecommunications with electric energy generator.As a concrete example, the second wireless communication module such as can carry out information interaction by home control network communication protocol and electric energy generator, and the content of communications protocol such as comprises: battery information, charging control signal and safeguard protection signal etc.
Detection module is used for carrying out fault detect to electric energy receiving system.Namely detecting electric energy receiving system is there is fault etc., and Detection Information etc. can be sent to electric energy receiving system.Specifically, in charging process, charging device needs to have monitoring and defencive function, processes with the abnormal conditions occurred whole system.
Rectifier is used for the alternating current from receiving coil to be converted to direct current.
It is power battery charging afterwards that dc-dc is used for carrying out voltage transitions (boosting or step-down) to the direct current provided from rectifier, to meet voltage requirements during power battery charging.
Second control module is used for according to the information of electrokinetic cell and the power output of charge power demand modeling dc-dc, to meet power demand during power battery charging, thus improves charge efficiency, reliability when guaranteeing power battery charging and fail safe.
Step S902, after setting up wireless telecommunications, control electric energy generator enters electric discharge request stage and controls electric energy receiving system and enters the charge request stage.
Step S903, apparatus for monitoring power supply judges whether energy-storage battery group meets default discharging condition and battery manager judges whether electrokinetic cell meets preset charged condition.Wherein, in one embodiment of the invention, when the state-of-charge of energy-storage battery group is not less than the first preset value and energy-storage battery group does not exist fault, judge that energy-storage battery group meets default discharging condition.When the state-of-charge of electrokinetic cell not higher than the second preset value and there is not fault in electrokinetic cell time, judge that electrokinetic cell meets preset charged and readjusts prices you.Wherein, the first preset value and the second preset value are and preset, as a concrete example, the first preset value such as but be not limited to the 20%, the second preset value such as but be not limited to 70%.
Step S904, if so, then controlling energy-storage battery group is that electric energy generator is powered.Wherein, be in the electric energy generator process of powering controlling energy-storage battery group, if energy-storage battery group break down and this fault is the level fault of energy-storage battery group time, then control electric energy generator carries out limitting delivery of electrical energy from power to electric energy receiving system; If when this fault is the secondary failure of energy-storage battery group, then controls energy-storage battery group and stop electric discharge, to guarantee the safety of charging device.
Further, control energy-storage battery group be electric energy generator power time, when receive discharge off instruction or judge energy-storage battery group do not meet default discharging condition or electric energy receiving system there is fault time, control energy-storage battery group to stop powering to electric energy generator, to guarantee reliability and the fail safe of charging process.
Step S905, electric energy generator according to the Information Pull electromagnetic induction of electrokinetic cell to electric energy receiving system wirelessly transmitting electrical energy.
More specifically, in one embodiment of the invention, electric energy generator judges the charge power being suitable for charging to electrokinetic cell according to the information of electrokinetic cell, and with this charge power to electric energy receiving system electric energy transmitting.Wherein, the information of the second electrokinetic cell such as includes but not limited to: the current residual electricity of electrokinetic cell, charging current, charge requirement power, the highest single battery voltage, minimum single battery voltage, the highest single battery temperature, minimum single battery temperature and electrokinetic cell fault message etc.Like this, electric energy generator can judge according to the information of above-mentioned battery the charge power that is suitable for charging to electrokinetic cell, and with this charge power to electric energy receiving system electric energy transmitting, thus ensure the charge efficiency higher to electrokinetic cell, guarantee the reliability to the second power battery charging and fail safe simultaneously.
Step S906, electric energy receiving system charges to electrokinetic cell.Wherein, when electric energy receiving system charges to electrokinetic cell, also comprise: if electrokinetic cell break down and this fault is the level fault of electrokinetic cell time, then control electric energy receiving system and send the instruction of limit power delivery, so that electric energy generator carries out to electric energy receiving system the delivery of electrical energy limitting power to electric energy generator; In addition, if this fault is the secondary failure of electrokinetic cell, then controls electrokinetic cell and stop charging, to guarantee the safety of charging device.
Further, when electric energy receiving system charges to electrokinetic cell, when receive charging termination instruction or electrokinetic cell do not meet preset charged condition or electric energy receiving system there is fault time, then electric energy receiving system stops power battery charging, to guarantee reliability and the fail safe of charging process.
According to the embodiment of the present invention for the wireless charging method of Mobile energy storage power station to new-energy automobile, the wireless charging of Mobile energy storage power station to new-energy automobile can be realized, decrease manual operation, thus improve the safety and reliability of new-energy automobile when charging, avoid in wired charging modes the charging connection device wearing and tearing plugging charging device and cause, degradation problem under connector service life of equipment.When ensureing enough hour of distance charging to automobile wireless in Mobile energy storage power station (as when the distance of transmitting coil and receiving coil is within the scope of 200mm), high efficiency delivery of electrical energy can be realized.In addition, the mode of wireless charging is easy and simple to handle, and user only need can realize wireless charging according to command prompt action button.Embodiments of the invention can carry out the charging of corresponding power for the real-time status of new-energy automobile power battery, to improve charge efficiency and the useful life of electrokinetic cell.In addition, by this method, user can be met out of doors to the demand of new-energy automobile charging, prevent automobile from affecting the stroke of user in the process of moving because electricity exhausts, improve the applicability of new-energy automobile.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random-access memory (ram), read-only memory (ROM), erasablely edit read-only memory (EPROM or flash memory), fiber device, and portable optic disk read-only memory (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the application-specific integrated circuit (ASIC) of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (22)
1. one kind for the wireless charging system of Mobile energy storage power station to new-energy automobile, it is characterized in that, described Mobile energy storage power station comprises energy-storage battery group and apparatus for monitoring power supply, described system comprises: electric energy generator, electric energy receiving system and battery manager, wherein, described electric energy generator is positioned on Mobile energy storage power station, and described electric energy receiving system and described battery manager are positioned on described new-energy automobile
Described electric energy generator, for sending electric discharge request when the wireless communication signal of described electric energy receiving system being detected to described apparatus for monitoring power supply, and after described electric energy generator enters electric discharge request stage and described electric energy receiving system enters the charge request stage, wireless discharge flow path is entered when described energy-storage battery group meets default discharging condition, with the information of the electrokinetic cell according to described new-energy automobile, utilize electromagnetic induction to described electric energy generator wirelessly transmitting electrical energy;
Described electric energy receiving system, for sending described wireless communication signal to described electric energy generator and sending charge request when receiving the feedback of described electric energy generator to described battery manager, and after described electric energy generator enters electric discharge request stage and described electric energy receiving system enters the charge request stage, wireless charging flow process is entered when described electrokinetic cell meets preset charged condition, with utilize wireless receiving to the electric energy provided from described electric energy generator be described power battery charging, and the information of described electrokinetic cell is sent to described electric energy generator,
Described apparatus for monitoring power supply, for receiving the electric discharge request that described electric energy generator sends, and electric energy generator enters described electric discharge request stage according to described electric discharge Request Control, and when judging that described energy-storage battery group meets described default discharging condition, controlling described energy-storage battery group and entering described wireless discharge flow path to described electric energy generator electric energy transmitting to make described electric energy generator;
Described battery manager, for receiving the charge request of described electric energy receiving system, and control described electric energy receiving system according to described charge request and enter the described charge request stage, and when judging that described electrokinetic cell meets described preset charged condition, controlling described electric energy receiving system and entering described wireless charging flow process being described power battery charging by described electric energy receiving system.
2. the system as claimed in claim 1, it is characterized in that, described apparatus for monitoring power supply, also for after entering described wireless discharge flow path at described electric energy generator, controls described energy-storage battery group when described default discharging condition or described electric energy receiving system exist fault stop powering to described electric energy generator when receiving discharge off instruction or judging that described energy-storage battery group does not meet;
Described battery manager, also for after described electric energy receiving system enters described wireless charging flow process in control, does not meet and controls described electrokinetic cell when electric energy receiving system exists fault described in described preset charged conditioned disjunction when receiving charging termination instruction or described electrokinetic cell and stop charging.
3. the system as claimed in claim 1, is characterized in that, described electric energy generator comprises:
Frequency up converter, for being converted to the alternating current of predeterminated frequency by the high voltage direct current provided from described energy-storage battery group;
Wireless charging monitoring module, for carrying out fault detect to described electric energy generator;
First wireless communication module, for carrying out wireless telecommunications with described electric energy receiving system;
Transmitting coil, for being emitted to described electric energy receiving system by described alternating current with the form of electromagnetic field;
First control module, for controlling described frequency up converter, described wireless charging monitoring module and described transmitting coil.
4. system as claimed in claim 3, it is characterized in that, described electric energy receiving system comprises:
Receiving coil, for receiving the electric energy from described transmitting coil;
Second wireless communication module, for carrying out wireless telecommunications with described electric energy generator;
Detection module, for carrying out fault detect to described electric energy receiving system;
Rectifier, for being converted to direct current by the alternating current from described receiving coil;
Dc-dc is described power battery charging after the direct current provided from described rectifier being carried out to voltage transitions;
Second control module, for controlling described receiving coil, described wireless communication module, described detection module, described rectifier and described dc-dc.
5. the system as claimed in claim 1, is characterized in that, described electric energy receiving system also comprises: connector, and described electric energy receiving system is communicated with described battery manager by described plug connector.
6. the system as claimed in claim 1, it is characterized in that, also comprise: high-tension distribution box, described high-tension distribution box is electrically connected with described electric energy receiving system, described electrokinetic cell and described battery manager respectively, described high-tension distribution box is controlled by described battery manager, to control conducting and the disconnection in wireless charging loop.
7. the system as claimed in claim 1, is characterized in that, when following condition is set up, described apparatus for monitoring power supply judges that described energy-storage battery group meets described default discharging condition:
The state-of-charge of described energy-storage battery group is not less than the first preset value and described energy-storage battery group does not exist fault.
8. the system as claimed in claim 1, is characterized in that, when following condition is set up, described battery manager judges that described electrokinetic cell meets described preset charged condition:
The state-of-charge of described electrokinetic cell is not higher than the second preset value and described electrokinetic cell does not exist fault.
9. the system as claimed in claim 1, it is characterized in that, after described electric energy generator enters described wireless discharge flow path, described electric energy generator also for carry out self-inspection in real time and detect whether with described electric energy receiving system generation communication failure, if testing result occurs abnormal, then feed back to described apparatus for monitoring power supply, described apparatus for monitoring power supply controls described energy-storage battery group and stops electric discharge.
10. the system as claimed in claim 1, it is characterized in that, after described electric energy receiving system enters described wireless charging flow process, described electric energy receiving system also for carry out self-inspection in real time and detect whether with described electric energy generator generation communication failure, if testing result occurs abnormal, then feed back to described battery manager, described battery manager controls described electrokinetic cell and stops charging.
11. systems as described in any one of claim 1-10, it is characterized in that, after described electric energy generator enters described wireless discharge flow path, described apparatus for monitoring power supply is also for when detecting that described energy-storage battery group breaks down and described fault is the level fault of energy-storage battery group, control described electric energy generator carries out limitting delivery of electrical energy from power to described electric energy receiving system, if when described fault is the secondary failure of energy-storage battery group, described apparatus for monitoring power supply controls described energy-storage battery group and stops electric discharge.
12. systems as described in any one of claim 1-10, it is characterized in that, after described electric energy receiving system enters described wireless charging flow process, described battery manager is also for when detecting that described electrokinetic cell breaks down and described fault is the level fault of electrokinetic cell, control described electric energy receiving system and send the instruction of limit power delivery to described electric energy generator, so that described electric energy generator carries out to described electric energy receiving system the delivery of electrical energy limitting power, if described fault is the secondary failure of energy-storage battery group, described battery manager controls described electrokinetic cell and stops charging.
13. systems as claimed in claim 3, it is characterized in that, described apparatus for monitoring power supply also for judging the charge power being suitable for charging to described electrokinetic cell according to the information of described electrokinetic cell, and controls described electric energy generator with described charge power to described electric energy receiving system electric energy transmitting.
14. systems as claimed in claim 4, is characterized in that, also comprise: in charging flow, control the gear switch order that described new-energy automobile does not respond described new-energy automobile.
15. 1 kinds for the wireless charging method of Mobile energy storage power station to new-energy automobile, it is characterized in that, described Mobile energy storage power station comprises energy-storage battery group, apparatus for monitoring power supply and electric energy generator, described new-energy automobile comprises electric energy receiving system, battery manager and electrokinetic cell, said method comprising the steps of:
Control described electric energy generator and wireless telecommunications set up by described electric energy receiving system;
After setting up wireless telecommunications, control described electric energy generator and enter electric discharge request stage and control described electric energy receiving system and enter the charge request stage;
Described apparatus for monitoring power supply judges whether described energy-storage battery group meets default discharging condition and described battery manager judges whether described electrokinetic cell meets preset charged condition;
If energy-storage battery group meets default discharging condition and described battery manager judges that described electrokinetic cell meets preset charged condition, then controlling described energy-storage battery group is that described electric energy generator is powered;
Described electric energy generator according to the Information Pull electromagnetic induction of described electrokinetic cell to described electric energy receiving system wirelessly transmitting electrical energy;
Described electric energy receiving system charges to described electrokinetic cell.
16. methods as claimed in claim 15, is characterized in that, also comprise: control described energy-storage battery group be described electric energy generator power time, control described energy-storage battery group when following condition is set up and stop powering to described electric energy generator:
Receive discharge off instruction;
Or, judge that described energy-storage battery group does not meet described default discharging condition;
Or there is fault in described electric energy receiving system.
17. methods as claimed in claim 15, is characterized in that, also comprise: when described electric energy receiving system charges to described electrokinetic cell, stop described electric energy receiving system to charge to described electrokinetic cell when following condition is set up:
Receive charging termination instruction;
Or described electrokinetic cell does not meet described preset charged condition;
Or there is fault in described electric energy receiving system.
18. methods as claimed in claim 15, is characterized in that, when following condition is set up, judge that described energy-storage battery group meets described default discharging condition:
The state-of-charge of described energy-storage battery group is not less than the first preset value and described energy-storage battery group does not exist fault.
19. methods as claimed in claim 15, is characterized in that, when following condition is set up, judge that described electrokinetic cell meets described preset charged condition:
The state-of-charge of described electrokinetic cell is not higher than the second preset value and described electrokinetic cell does not exist fault.
20. methods as described in any one of claim 15-19, is characterized in that, control described energy-storage battery group be described electric energy generator power time, also comprise:
If described energy-storage battery group breaks down and the fault of described energy-storage battery group is the level fault of energy-storage battery group time, then control described electric energy generator and carry out limitting the delivery of electrical energy of power to described electric energy receiving system;
If when described fault is the secondary failure of energy-storage battery group, then controls described energy-storage battery group and stop electric discharge.
21. methods as described in any one of claim 15-19, is characterized in that, when described electric energy receiving system charges to described electrokinetic cell, also comprise:
If described electrokinetic cell breaks down and the fault of described electrokinetic cell is the level fault of electrokinetic cell, then control described electric energy receiving system and send the instruction of limit power delivery, so that described electric energy generator carries out to described electric energy receiving system the delivery of electrical energy limitting power to described electric energy generator;
If described fault is the secondary failure of electrokinetic cell, then controls described electrokinetic cell and stop charging.
22. methods as claimed in claim 15, is characterized in that, also comprise:
Described electric energy generator judges the charge power being suitable for charging to described electrokinetic cell according to the information of described electrokinetic cell, and with described charge power to described electric energy receiving system electric energy transmitting.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104993181A (en) * | 2015-07-06 | 2015-10-21 | 珠海格力电器股份有限公司 | Wireless household appliance charging method, charging control method and charging system |
| CN105406543A (en) * | 2015-12-15 | 2016-03-16 | 苏州铭冠软件科技有限公司 | Wireless charging device |
| CN106627240A (en) * | 2017-01-20 | 2017-05-10 | 成都蒲江珂贤科技有限公司 | Charging device for electric vehicles in public place |
| CN107919676A (en) * | 2017-12-22 | 2018-04-17 | 深圳市智能兄弟科技有限公司 | A kind of electric power system based on intelligent battery |
| CN113147439A (en) * | 2021-05-07 | 2021-07-23 | 齐齐哈尔大学 | New energy automobile rescue trailer system and method |
| CN113258627A (en) * | 2020-02-12 | 2021-08-13 | 北京小米移动软件有限公司 | Reverse charging method, device, terminal and storage medium |
| CN114123386A (en) * | 2021-11-02 | 2022-03-01 | 广东天凛高新科技有限公司 | Nomadic wireless centralized power supply system and method |
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| CN110682805B (en) * | 2018-07-06 | 2021-06-11 | 东旭光电科技股份有限公司 | Wireless charging method and device, street lamp and readable storage medium |
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| JP5893285B2 (en) * | 2011-08-04 | 2016-03-23 | キヤノン株式会社 | Power supply apparatus and program |
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| CN104993181A (en) * | 2015-07-06 | 2015-10-21 | 珠海格力电器股份有限公司 | Wireless household appliance charging method, charging control method and charging system |
| CN105406543A (en) * | 2015-12-15 | 2016-03-16 | 苏州铭冠软件科技有限公司 | Wireless charging device |
| CN106627240A (en) * | 2017-01-20 | 2017-05-10 | 成都蒲江珂贤科技有限公司 | Charging device for electric vehicles in public place |
| CN106627240B (en) * | 2017-01-20 | 2018-11-02 | 速珂智能科技（上海）有限公司 | A kind of charging unit for public place electric vehicle |
| CN107919676A (en) * | 2017-12-22 | 2018-04-17 | 深圳市智能兄弟科技有限公司 | A kind of electric power system based on intelligent battery |
| CN113258627A (en) * | 2020-02-12 | 2021-08-13 | 北京小米移动软件有限公司 | Reverse charging method, device, terminal and storage medium |
| CN113147439A (en) * | 2021-05-07 | 2021-07-23 | 齐齐哈尔大学 | New energy automobile rescue trailer system and method |
| CN114123386A (en) * | 2021-11-02 | 2022-03-01 | 广东天凛高新科技有限公司 | Nomadic wireless centralized power supply system and method |
| WO2024114771A1 (en) * | 2022-12-02 | 2024-06-06 | 浙江极氪智能科技有限公司 | Mobile charging device |
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