CN103956780A - Launching device, network structure, system and method for wireless charging - Google Patents
Launching device, network structure, system and method for wireless charging Download PDFInfo
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- CN103956780A CN103956780A CN201410201075.6A CN201410201075A CN103956780A CN 103956780 A CN103956780 A CN 103956780A CN 201410201075 A CN201410201075 A CN 201410201075A CN 103956780 A CN103956780 A CN 103956780A
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Abstract
The invention provides a launching device, network structure, system and method for wireless charging and relates to the field of wireless charging. The launching device, network structure, system and method for wireless charging are used for solving the problem that charging of an electric vehicle only can be carried out when the electric vehicle is static and is implemented at the fixed position in the prior art. The device comprises a charging coil and a charging detection module which are connected with each other. The charging detection module is used for detecting whether the electric vehicle is within the charging area of the wireless charging launching device or not through reverse detection. The charging coil is used for transmitting a wireless radio frequency signal outwards when the electric vehicle is within the charging area of the wireless charging launching device according to the detection result of the charging detection module. The network structure comprises a transformer substation, a crossing control module connected with the transformer substation, and at least two wireless charging launching devices connected with the crossing control module.
Description
[technical field]
The present invention relates to wireless charging field, especially a kind of wireless charging emitter, network, system and method.
[background technology]
Wireless power technology (Contactless Power Supply, CPS), also referred to as induction misfortune, close electric energy transmission technology (InductiveCoupled Power Transmission, ICPT), contactlessly poweredly refer to that transmission line and load side are at not electrical connection and physical contact, even, in the situation that asking of they also has relative motion, complete the transmission of electric energy.The theoretical foundation of contactlessly powered technology is electromagnetic induction principle, utilize modern electric electricity energy conversion technology, magnetic field misfortune close technology, by means of modern control theory and micro-electricity control technology, realize the transmission of energy from static equipment to movable equipment.
Propelling day by day along with process of industrialization, the electronic vehicles are more and more, electric motor car has been applied in people's life widely, electric automobile is also progressively market-oriented, its power of electric automobile generally adopts storage battery power supply mode, and it is little more a lot of than traditional motor vehicle emission amount, very little on the impact of environment, in the whole world, unanimously appeal to strengthen today of environmental protection, advantages such as its nonstaining property of electric automobile one determining cause and easily expansion and obtained fast development and extensive use.If adopt traditional power supply unit to charge and have a lot of disadvantageous places vehicle, comprised multiconductor existence, danger, also has the infringement of outdoor wired charging pile.
In addition, current electric vehicle charging technology be take charging pile as main, all can only be under the environment of stationary vehicle, and charge in fixing position, this has also brought a lot of inconvenience to user.
[summary of the invention]
The invention provides a kind of wireless charging emitter, network, system and method, can only be under the environment of stationary vehicle and the problem of charging in fixing position in order to solve existing electric vehicle charging technology.
A kind of wireless charging emitter of the present invention, is arranged at crossing, comprising: interconnective charge coil and charging detection module; Wherein, whether described charging detection module, for by inverse detection, detect and have motor vehicle to be positioned at the charging region of described wireless charging emitter; Described charge coil, for according to the testing result of described charging detection module, when motor vehicle is positioned at the charging region of described wireless charging emitter, to external emission radio frequency signal.
Wherein, described wireless charging emitter is hard non-metallic material towards the watchcase of earth's surface one side.
Wherein, within described charging detection module is produced on housing.
Wherein, described charge coil is external antenna, and it is peripheral to be centered around charging detection module.
Wherein, described charge coil is three dimensional coils.
Wherein, the metal tube that described charge coil is hollow, the top layer of described metal tube scribbles three anti-paints.
A kind of wireless charging web frame of the present invention, comprise: transformer station, the crossing control module being connected with described transformer station, and at least 2 wireless charging emitters that are connected with described crossing control module, each described wireless charging emitter is distributed in each crossing of an intersection; Described wireless charging emitter is above-mentioned wireless charging emitter; Described transformer station, for converting the electric power of outside access to described wireless charging network work required voltage; Described crossing control module, for controlling each wireless charging emitter of described intersection, when described charging detection module detects in the charging region that motor vehicle sails described wireless charging emitter into, to crossing control module, send to detect and sail signal into, crossing control module is controlled the charge coil corresponding with described charging detection module to external emission radio frequency signal; When described charging detection module detects in the charging region that motor vehicle rolls described wireless charging emitter away from, to crossing control module, send to detect and roll signal away from, crossing control module is controlled the charge coil corresponding with described charging detection module and is stopped to external emission radio frequency signal.
A kind of wireless charging system of the present invention, comprise: electrical power services device, the road control module being connected with described electrical power services device, and at least 2 wireless charging web frames that are connected with described road control module, and travel on the motor vehicle between the wireless charging web frame described in each; Wherein, described motor vehicle is provided with unique electronics ID sign; Described wireless charging web frame is above-mentioned wireless charging web frame; Crossing control module in each wireless charging web frame is connected with road control module respectively; When motor vehicle sails a wireless charging web frame into, each wireless charging emitter in this wireless charging web frame continues wireless charging to described motor vehicle, and the crossing control module in this wireless charging web frame adds up according to the electronics ID sign of described motor vehicle the electric weight filling; When motor vehicle rolls this wireless charging web frame away from, the crossing control module in this wireless charging web frame reports described electronics ID to identify the electric weight that corresponding motor vehicle accumulative total is filled to described road control module; Electrical power services device, identifies for receiving the described electronics ID that road control module reports the electric weight that corresponding motor vehicle accumulative total is filled, and completes billing operation.
Wherein, described electronics ID sign is radio frequency electric ID sign.
A kind of wireless charging method of the present invention, comprises step: S1, motor vehicle sail a wireless charging web frame into, and each wireless charging emitter in this wireless charging web frame continues wireless charging to described motor vehicle; The electric weight that crossing control module in S2, described wireless charging web frame is filled according to the electronics ID sign accumulative total of described motor vehicle; When S3, motor vehicle roll this wireless charging web frame away from, the crossing control module in described wireless charging web frame reports described electronics ID to identify the electric weight that corresponding motor vehicle accumulative total is filled by road control module to electrical power services device; The electric weight computational costs that S4, electrical power services device fill according to described accumulative total, and push payment information to user terminal; S5, user complete charge by user terminal; Use above-mentioned wireless charging system to implement.
Wherein, in step S1, also comprise: user opens the wireless charging function of motor vehicle, and transmit and detect; When this motor vehicle drives in the wireless charging area of arbitrary wireless charging emitter, the charge coil of motor vehicle and this wireless charging emitter completes charging and confirms, the charge coil of this wireless charging emitter is known the electronics ID sign of motor vehicle, and send to the crossing control module being connected with described wireless charging emitter to carry out record, and start to charge.
Wherein, described user terminal is mobile phone or vehicle mobile terminals.
Wherein, in step S5, user completes charge by E-Payment.
Wireless charging emitter of the present invention, network, system and method can be realized motor vehicle and bide one's time and carry out wireless charging at traffic light intersection etc., have saved user's charging interval, and have brought brand-new experience to user.
[accompanying drawing explanation]
Fig. 1 is the wireless charging emitter structural representation in the embodiment of the present invention 1;
Fig. 2 is the wireless charging emitter specific implementation schematic diagram in the embodiment of the present invention 1;
Fig. 3 is the schematic network structure in the embodiment of the present invention 2;
Fig. 4 is the system configuration schematic diagram in the embodiment of the present invention 3;
Fig. 5 is the method step flow chart in the embodiment of the present invention 4.
[embodiment]
Inventor considers, if a kind of wireless charging technology can be provided, realize motor vehicle and bides one's time and carry out wireless charging at traffic light intersection etc., can save user's charging interval, and bring brand-new experience to user.Further describe by the following examples.
The wireless charging emitter of embodiment 1, the present embodiment can be arranged on red light waiting area below ground, and this wireless charging emitter is powered by Utilities Electric Co.'s power cable, and ground is transformed.This wireless charging emitter can also be arranged on the optional position of bus station or road.The wireless charging of realization to motor vehicle.Shown in Figure 1, comprise interconnective charge coil 11 and charging detection module 12.
Wherein, charging detection module 12, for passing through inverse detection, whether detect has motor vehicle to be positioned at the charging region of the wireless charging emitter of the present embodiment, the position of charge coil 11 and motor vehicle onboard wireless live part is mated completely, effectively raise the efficiency conserve energy.Charging detection module 12 can adopt associated voltage, electric current inverse detection circuit to realize according to demand.
Charge coil 11, for according to the testing result of charging detection module 12, when motor vehicle is positioned at the charging region of wireless charging emitter of the present embodiment, to external emission radio frequency signal.The onboard wireless live part of motor vehicle receives the radio frequency signal that charge coil 11 is sent, and completes wireless charging.
In specific implementation, the wireless charging emitter of the present embodiment is arranged on below ground, needs road pavement transformation, and this wireless charging emitter is embedded in road in improved mounting groove.The height of wireless charging emitter is no more than pavement-height, does not affect normally travelling of vehicle, and also has road surface identification in charging region, is convenient to user's identification and carries out wireless charging.The watchcase of the wireless charging emitter of the present embodiment adopts the non-metallic material of hard to make (towards the one side of automobile), is convenient to the transmitting of electromagnetic wave (being radio frequency signal), facilitates wireless charging.Frequency and the voltage of the signal of telecommunication that the main inverse detection of charging detection module 12 is sent by electric automobile.Within charging detection module 12 is produced on housing, protection voltage, electric current inverse detection circuit are not subject to external damage, and waterproof anti-corrosion.Charge coil 11 adopts external antenna, shown in Figure 2, be centered around charging detection module 12 peripheries, charge coil 11 can adopt the mode of copper pipe, copper pipe surface scribbles three anti-paints, surround the mode of 3 dimension coils, can be used for long-term exterior components, also can adopt the radianting capacity of the coil winding raising antenna of multi-turn.Charge coil 11 and charging detection module 12 re-use outer cover packaging and get up to be arranged on ground surface below, make it integrated.
Embodiment 2, the present embodiment provide a kind of wireless charging web frame, shown in Figure 3, comprising: transformer station 21, the crossing control module 22 being connected with transformer station 21, and at least 2 wireless charging emitters 23 that are connected with crossing control module 22.Wherein wireless charging emitter 23 can be the wireless charging emitter in embodiment 1, wireless charging emitter 23 comprises: interconnective charge coil 231 and charging detection module 232, the charge coil 11 of its function and embodiment 1 is corresponding with charging detection module 12, repeats no more.Each wireless charging emitter 23 is distributed in each crossing of a traffic lights intersection, and for example 4 of a right-angled intersection traffic light intersections are distributed with wireless charging emitter 23.
Transformer station 21, for by the required voltage of wireless charging network work of the electric power conversion cost embodiment of outside access.
Crossing control module 22 specifically can adopt associated trigger circuit to realize, for controlling each wireless charging emitter 23 of an intersection, when charging detection module 232 detects in the charging region that motor vehicle sails wireless charging emitter 23 into, to crossing control module 22, send to detect and sail signal into, crossing control module 22 is controlled the charge coil 231 corresponding with this charging detection module 232 to external emission radio frequency signal, is electric vehicle charging; When charging detection module 232 detects in the charging region that motor vehicle rolls wireless charging emitter 23 away from, to crossing control module 22, send to detect and roll signal away from, crossing control module 22 is controlled the charge coil 231 corresponding with this charging detection module 232 and is stopped, to external emission radio frequency signal, stopping this charging.
In specific implementation, each wireless charging emitter 23 is connected by cable with crossing control module 22, by crossing control module 22, transmits electric weight and control information.Crossing control module 22He transformer station 21 makes on the ground, by choosing suitable position, guarantees the reasonability of disposing that is connected with each wireless charging emitter 23.In addition, a plurality of wireless charging emitters 23 can, under the control of crossing control module 22, be an electric vehicle charging, to improve charge efficiency simultaneously.
Embodiment 3, the present embodiment provide a kind of wireless charging system, shown in Figure 4, comprise: electrical power services device 31, the road control module 34 being connected with electrical power services device 31, and at least 2 wireless charging web frames 32 that are connected with road control module 34, and travel on the motor vehicle 33 between each wireless charging web frame 32.Wherein, wireless charging web frame 32 can adopt the wireless charging web frame of embodiment 2, and each wireless charging web frame 32 comprises transformer station 321, crossing control module 322, at least 2 wireless charging emitters 323 that are connected with crossing control module 322; Wireless charging emitter 323 comprises: charge coil 3231 and charging detection module 3232.Concrete annexation and function and aforementioned corresponding, repeat no more.
Wherein, the crossing control module 322 in each wireless charging web frame 32 is connected with electrical power services device 31 respectively.
Motor vehicle 33 is provided with unique electronics ID sign, can be radio frequency electric ID sign, and specific implementation means can be on motor vehicle 33, to install or carry transmitting ID card, on each wireless charging emitter 323, corresponding reading device are installed.
Crossing control module 322 in each wireless charging web frame 32 is connected with road control module 34 respectively.
Article one, road is comprised of a plurality of traffic light crossings, article one, road is controlled the crossing control module 322 of each traffic light crossing again by a total road control module 34, make the wireless charging system of the present embodiment realize multistage distribution control, be convenient to monitoring management.
Electrical power services device 31, identifies for receiving the described electronics ID that road control module 34 reports the electric weight that corresponding motor vehicle 33 accumulative totals are filled, and completes billing operation.
In specific implementation, when motor vehicle 33 sails a wireless charging web frame 32 into, each wireless charging emitter 323 in this wireless charging web frame 32 rolls the situation in charging region away from according to sailing into of this motor vehicle 33, motor vehicle 33 is continued to wireless charging, and the crossing control module 322 in this wireless charging web frame 32 adds up according to the electronics ID sign of motor vehicle 33 electric weight filling; When motor vehicle rolls this wireless charging web frame 32 away from, crossing control module 322 in this wireless charging web frame 32 reports described electronics ID to identify the electric weight that corresponding motor vehicle 33 accumulative totals are filled to road control module 34, road control module 34 reports described electronics ID to identify the electric weight that corresponding motor vehicle 33 accumulative totals are filled to electrical power services device 31 again, by electrical power services device 31 minute book list charge capacities.When if this motor vehicle 33 sails again next wireless charging web frame 32 into, with aforesaid way, continue charging, until electric weight is full of or user closes the wireless charging function of motor vehicle 33, electrical power services device completes billing operation according to the charge capacity of bulk registration, and charges to user.
The wireless charging method of embodiment 4, the present embodiment, can adopt the wireless charging device of above-described embodiment 1, implements 2 network configurations, and the system of embodiment 3 is shown in Figure 5, comprises following key step:
S41, motor vehicle sail a wireless charging web frame into, and each wireless charging emitter in this wireless charging web frame continues wireless charging to described motor vehicle.
The electric weight that crossing control module in S42, described wireless charging web frame is filled according to the electronics ID sign accumulative total of described motor vehicle.
When S43, motor vehicle roll this wireless charging web frame away from, the crossing control module in described wireless charging web frame reports described electronics ID to identify the electric weight that corresponding motor vehicle accumulative total is filled by road control module to electrical power services device.
The electric weight computational costs that S44, electrical power services device fill according to described accumulative total, and push payment information to user terminal.
S45, user complete charge by user terminal.
In specific implementation, when entering red light, waits for behind charging region by the motor vehicle travelling, if user wishes vehicle to carry out wireless charging, the Wireless charging coil of user's unlocking vehicle inside, this coil transmits and detects, when Vehicle Driving Cycle arrives wireless charging emitter top, vehicle-mounted Wireless charging coil and wireless charging emitter complete the confirmation work of charging, wireless charging emitter is learnt No. ID of vehicle-mounted charging device, and send to crossing control module to record this information, and the time started of record charging, then start to charge.When Vehicle Driving Cycle goes out behind the charging region of wireless charging emitter, wireless charging emitter, by the variation of inverse detection electric voltage frequency, confirms that vehicle leaves, and then stops power supply, and records the moment that charging stops, the energy of statistics charging.And wireless charging emitter also can test by inverse detection that to be whether the vehicle of wireless charging enter charging region, guarantees that energy can not waste electric energy.When Vehicle Driving Cycle arrives the charging region of next wireless charging emitter, wireless charging emitter has been confirmed after No. ID, continues to start charging, and adds up charging interval and charge capacity according to situation before.As long as vehicle just can carry out wireless charging with regard to passing by the process of moving the wireless charging emitter of traffic light intersection like this, can realize the wireless charging of vehicle when traffic light intersection waits.When user confirms that vehicle electric weight is enough, just can close wireless charging, complete charging process.After the vehicle of No. ID completes a wireless charging or Vehicle Driving Cycle go out after control range, road control module sends to record of charging the backstage electrical power services device of Utilities Electric Co., statistics charge volume.Car owner can be connected with Utilities Electric Co. system by mobile phone terminal or car-mounted terminal, time and the process of supervision charging, and complete the reimbursement of expense of charging.
In sum, advantage of the present invention is as follows:
1, adopt a crossing control module to control the mode of a plurality of wireless charging emitters, reduced the quantity of control module, engineered smaller, economical and practical, be convenient to popularizing of wireless charging.
2, when common metal is placed on wireless charging emitter, it is different on the impact of the impact of wireless charging emitter voltage and coil antenna, by the difference of these feedback voltages of inverse detection and frequency, thereby judge whether it is wireless charging emitter, whether suitablely detect vehicle stand.
3, for different by fill device, by detecting the variation of voltage, thereby by controlling charging voltage, and then adjust transmitting power.
4, can control the resonance frequency of adjusting charge coil, and then can form with the charging antenna of vehicle-mounted part resonance coupling, be beneficial to the efficiency that improves wireless charging.
5, road control module connects electrical power services device, can add up charge volume.User controls vehicle-mounted charging equipment by mobile phone, has coordinated wireless charging with wireless charging emitter.The mode that user pays by mobile phone electronic, convenient and swift, be convenient to popularizing of wireless charging system.
6, by the parallel control of crossing control module to a plurality of charge coils, each concrete charge coil can be worked alone.When vehicle only travels in the process of moving above wireless charging emitter, wireless charging emitter just starts charging, after Vehicle Driving Cycle leaves, stops charging, has saved electric energy.And realized the wireless charging of vehicle in traffic light intersection waiting process.
7, at a red light crossing, be that each wireless charging emitter can independently be launched electric energy, is subject to the control of crossing control module by a plurality of wireless charging emitters of a crossing control module parallel control.Article one, road is comprised of a plurality of traffic light intersections, and a road is controlled the crossing control module of each traffic light intersection again by a total road control module, realizes multistage distribution and controls, and is convenient to monitoring management.
8, wireless charging emitter is installed on the ground, needs road pavement transformation, and this wireless charging emitter is embedded in road in improved mounting groove.Wireless charging emitter height is no more than pavement-height, does not affect normally travelling of vehicle, and also has road surface identification to be convenient to user to carry out wireless charging in charging region.
Here description of the invention and application is all illustrative and schematic, is not to want by scope restriction of the present invention in the above-described embodiments.Here the distortion of disclosed embodiment and change is completely possible, and for those those of ordinary skill in the art, the various parts of the replacement of embodiment and equivalence are all known.Those skilled in the art are also noted that, in the situation that not departing from spirit of the present invention or substantive characteristics, the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts, and in the situation that not departing from the scope of the invention and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (13)
1. a wireless charging emitter, is arranged at crossing, it is characterized in that, comprising: interconnective charge coil and charging detection module;
Wherein, whether described charging detection module, for by inverse detection, detect and have motor vehicle to be positioned at the charging region of described wireless charging emitter;
Described charge coil, for according to the testing result of described charging detection module, when motor vehicle is positioned at the charging region of described wireless charging emitter, to external emission radio frequency signal.
2. wireless charging emitter as claimed in claim 1, is characterized in that, described wireless charging emitter is hard non-metallic material towards the watchcase of earth's surface one side.
3. wireless charging emitter as claimed in claim 1, is characterized in that, within described charging detection module is produced on housing.
4. wireless charging emitter as claimed in claim 1, is characterized in that, described charge coil is external antenna, and it is peripheral to be centered around charging detection module.
5. wireless charging emitter as claimed in claim 1, is characterized in that, described charge coil is three dimensional coils.
6. wireless charging emitter as claimed in claim 1, is characterized in that, the metal tube that described charge coil is hollow, and the top layer of described metal tube scribbles three anti-paints.
7. a wireless charging web frame, it is characterized in that, comprise: transformer station, the crossing control module being connected with described transformer station, and at least 2 wireless charging emitters that are connected with described crossing control module, each described wireless charging emitter is distributed in each crossing of an intersection;
Wherein, described wireless charging emitter is the wireless charging emitter described in claim 1 to 6 any one;
Described transformer station, for converting the electric power of outside access to described wireless charging network work required voltage;
Described crossing control module, for controlling each wireless charging emitter of described intersection, when described charging detection module detects in the charging region that motor vehicle sails described wireless charging emitter into, to crossing control module, send to detect and sail signal into, crossing control module is controlled the charge coil corresponding with described charging detection module to external emission radio frequency signal; When described charging detection module detects in the charging region that motor vehicle rolls described wireless charging emitter away from, to crossing control module, send to detect and roll signal away from, crossing control module is controlled the charge coil corresponding with described charging detection module and is stopped to external emission radio frequency signal.
8. a wireless charging system, it is characterized in that, comprise: electrical power services device, the road control module being connected with described electrical power services device, and at least 2 wireless charging web frames that are connected with described road control module, and travel on the motor vehicle between the wireless charging web frame described in each;
Wherein, described motor vehicle is provided with unique electronics ID sign;
Described wireless charging web frame is wireless charging web frame claimed in claim 7; Crossing control module in each wireless charging web frame is connected with road control module respectively;
When motor vehicle sails a wireless charging web frame into, each wireless charging emitter in this wireless charging web frame continues wireless charging to described motor vehicle, and the crossing control module in this wireless charging web frame adds up according to the electronics ID sign of described motor vehicle the electric weight filling; When motor vehicle rolls this wireless charging web frame away from, the crossing control module in this wireless charging web frame reports described electronics ID to identify the electric weight that corresponding motor vehicle accumulative total is filled to described road control module;
Electrical power services device, identifies for receiving the described electronics ID that road control module reports the electric weight that corresponding motor vehicle accumulative total is filled, and completes billing operation.
9. wireless charging system as claimed in claim 8, is characterized in that, described electronics ID sign is radio frequency electric ID sign.
10. a wireless charging method, is characterized in that, comprises step:
S1, motor vehicle sail a wireless charging web frame into, and each wireless charging emitter in this wireless charging web frame continues wireless charging to described motor vehicle;
The electric weight that crossing control module in S2, described wireless charging web frame is filled according to the electronics ID sign accumulative total of described motor vehicle;
When S3, motor vehicle roll this wireless charging web frame away from, the crossing control module in described wireless charging web frame reports described electronics ID to identify the electric weight that corresponding motor vehicle accumulative total is filled by road control module to electrical power services device;
The electric weight computational costs that S4, electrical power services device fill according to described accumulative total, and push payment information to user terminal;
S5, user complete charge by user terminal;
Adopt wireless charging system claimed in claim 8 to implement.
11. wireless charging methods as claimed in claim 10, is characterized in that, in step S1, also comprise:
User opens the wireless charging function of motor vehicle, and transmits and detect;
When this motor vehicle drives in the wireless charging area of arbitrary wireless charging emitter, the charge coil of motor vehicle and this wireless charging emitter completes charging and confirms, the charge coil of this wireless charging emitter is known the electronics ID sign of motor vehicle, and send to the crossing control module being connected with described wireless charging emitter to carry out record, and start to charge.
12. wireless charging methods as claimed in claim 10, is characterized in that, described user terminal is mobile phone or vehicle mobile terminals.
13. wireless charging methods as claimed in claim 10, is characterized in that, in step S5, user completes charge by E-Payment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410201075.6A CN103956780A (en) | 2014-05-13 | 2014-05-13 | Launching device, network structure, system and method for wireless charging |
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| CN201410201075.6A CN103956780A (en) | 2014-05-13 | 2014-05-13 | Launching device, network structure, system and method for wireless charging |
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| CN105270200A (en) * | 2015-11-02 | 2016-01-27 | 国网山东省电力公司电力科学研究院 | Intelligent quick charging device for electric automobiles, arranged on urban road, and intelligent quick charging method for electric automobiles |
| CN106053974A (en) * | 2015-04-01 | 2016-10-26 | 福特全球技术公司 | Tester for wireless electrified vehicle charger |
| CN110481360A (en) * | 2014-09-04 | 2019-11-22 | 睿能创意公司 | The method of the charging module of Portable electrical energy storing device, the system of Portable electrical energy storing device and operational power reservoir |
| CN112622654A (en) * | 2020-12-09 | 2021-04-09 | 中兴新能源科技有限公司 | Wireless charging communication connection method, device and communication system |
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