Automobile wireless charging method, system and ground side charging systemTechnical field
The present invention relates to electric vehicle charging field more particularly to a kind of automobile wireless charging method, system and ground sidesCharging system.
Background technology
Electric vehicle refers to driving wheels travel using vehicle power supply as power with motor, meeting road traffic, security legislationThe vehicle of requirements.Since effect on environment is smaller with respect to orthodox car, foreground is had an optimistic view of extensively.
Along with a large amount of universal of electric vehicle, electric vehicle wireless charging technology is increasingly becoming one of research emphasis.ElectricityElectrical automobile wireless charging technology is to be transferred to electric energy in the form of high-frequency alternating magnetic field by being embedded in the electrical supply rail of subsurfaceA certain range of vehicle on the ground is run, and then is powered to vehicle-mounted energy storage device, it is a small amount of electric to make electric vehicle carryPond group extends its course continuation mileage, while making electric energy supply more safely, conveniently.
However, in realizing process of the present invention, inventor has found at least to have the following technical problems in the prior art：
1) when electric vehicle carries out wireless charging, typically realize that ground side is wireless by the movement all around of vehicleAlignment between the wireless power receiving equipment of power equipment and vehicle-mounted side.Due to vehicle movement sensitivity it is not high, cause ground side withoutAlignment precision between the wireless power receiving equipment of line power equipment and vehicle-mounted side is poor, and then influences charge efficiency；
2) either ground sets up and installs aligning equipment on auxiliary aligning equipment or vehicle, and alignment mode is mostly appearanceSize is aligned, therefore aligns precision and still have much room for improvement；
3) different electric vehicles require different, existing wireless charging for distance, the working frequency etc. of wireless chargingPower technology cannot well adapt to these problems.
To sum up, the problem of wireless charging scheme in the prior art can lead to charge efficiency due to aligning accuracy.
Invention content
The present invention in order to overcome the problems of the above-mentioned prior art, provide a kind of automobile wireless charging method, system andGround side charging system realizes that wireless charging precisely aligns, improves charge efficiency.
According to an aspect of the present invention, a kind of automobile wireless charging method is provided, ground side charging system, institute are applied toThe method of stating includes：
Ground side charging system receives the charging instruction of vehicle-mounted side electric system；
According to the charging instruction, driving charging module is moved at the charge position of the vehicle-mounted side electric system, instituteIt states charging module and is set to the ground side charging system；
Read the first charge parameter of the vehicle-mounted side electric system；
According to first charge parameter, the second charge parameter of the ground side charging system is adjusted；
It drives the charging module to be moved from charge position horizontal direction scanning within a preset range, is filled described in acquisitionThe charge efficiency of electric module position within a preset range；And
According to the mapping of each position and charge efficiency, drives the charging module to be moved to the charge efficiency and be more than or equal toTo charge by second charge parameter at the position of predetermined threshold.
Optionally, the driving charging module is moved from charge position horizontal direction scanning within a preset rangeDynamic, the charge efficiency for obtaining charging module position within a preset range includes：
Obtain the location information and output power of the charging module；
Obtain the reception power of the vehicle-mounted side electric system；
According to the output power and the charge efficiency for receiving charging module position described in power calculation.
Optionally, it is imitated according to the output power and the charging for receiving charging module position described in power calculationInclude after rate：
Generate the mapping of charging module coordinate of position and charge efficiency in the preset range.
Optionally, the predetermined threshold is more than or equal to 95% and is less than or equal to 100%.
Optionally, the predetermined threshold is charge efficiency maximum value in the mapping of each position and charge efficiency.
Optionally, the driving charging module is moved from charge position horizontal direction scanning within a preset rangeDynamic, the charge efficiency for obtaining charging module position within a preset range includes：
Drive the charging module from the charge position with the movement of horizontal direction scanning within a preset range of pre- fixed step size.
Optionally, described that the charge position that charging module is moved to vehicle-mounted side electric system is driven according to the charging instructionPlace includes：
Obtain the charge position；
Navigation routine is formed according to the charge position；
The charging module is driven to be moved at the charge position of vehicle-mounted side electric system according to the navigation routine.
Optionally, described according to first charge parameter, adjust the second charge parameter of the ground side charging systemFurther include：
The charging module vertical shift is driven according to first charge parameter.
Optionally, first charge parameter for reading the vehicle-mounted side electric system includes：
Read the mark of vehicle to be charged；
The mark of the corresponding vehicle to be charged is obtained from background data base according to the mark of the vehicle to be chargedFirst charge parameter.
Optionally, first charge parameter for reading the vehicle-mounted side electric system includes：
The ground side charging system is communicated with the vehicle-mounted side electric system to obtain the vehicle-mounted side electric systemThe first charge parameter.
Optionally, first charge parameter include charging room away from, it is one or more in power grade, charge frequency；
Second charge parameter include charging room away from, it is one or more in power grade, charge frequency.
According to another aspect of the invention, a kind of ground side charging system is also provided, including：
Charging module, including move chassis and be fixed on the charhing unit moved on chassis, the movement chassis is for makingThe charhing unit moves in the horizontal direction, and the charhing unit is used to charge to vehicle-mounted side electric system；
Communication and sensing module, the first charge parameter for reading the vehicle-mounted side electric system；
Control module is communicated with the charging module and described communicate with sensing module, and the control module is for holdingRow following steps：
Receive the charging instruction of vehicle-mounted side electric system；
The charging module is driven to be moved horizontally at the charge position of vehicle-mounted side electric system according to the charging instruction；
According to first charge parameter, the second charge parameter of the ground side charging system is adjusted；
Drive the charging module from the charge position movement of horizontal direction scanning within a preset range, and described in acquisitionThe charge efficiency of charging module position in the preset range；And
According to the mapping of each position and charge efficiency, drives the charging module to be moved to the charge efficiency and be more than or equal toTo charge by second charge parameter at the position of predetermined threshold.
Optionally, the charging module further includes：
Lifting unit, the movement chassis are connect by the lifting unit with the charhing unit, the lifting unitFor making the charhing unit be moved in vertical direction, the lifting unit is driven by the control module.
According to another aspect of the invention, a kind of automobile wireless charging system is also provided, including：
Vehicle-mounted side electric system；And
Ground side charging system, including：
Charging module, including move chassis and be fixed on the charhing unit moved on chassis, the movement chassis is for makingThe charhing unit moves in the horizontal direction, and the charhing unit is used to charge to the vehicle-mounted side electric system；
Communication and sensing module, the first charge parameter for reading the vehicle-mounted side electric system；
Control module is communicated with the charging module and described communicate with sensing module, and the control module is for holdingRow following steps：
Receive the charging instruction of vehicle-mounted side electric system；
The charging module is driven to be moved horizontally at the charge position of vehicle-mounted side electric system according to the charging instruction；
According to first charge parameter, the second charge parameter of the ground side charging system is adjusted；
Drive the charging module from the charge position movement of horizontal direction scanning within a preset range, and described in acquisitionThe charge efficiency of charging module position in the preset range；And
According to the mapping of each position and charge efficiency, drives the charging module to be moved to the charge efficiency and be more than or equal toTo charge by second charge parameter at the position of predetermined threshold.
Optionally, the charhing unit includes primary coil component, and the vehicle-mounted side electric system includes secondary coil groupPart, the charge position correspond to the secondary coil component.
Compared with prior art, the present invention has following advantage：
1) vehicle in the embodiment of the present invention need to be only parked within designated position, by making charging module move horizontallyTo be aligned with the charge position of vehicle-mounted side electric system, alignment mode is more simple and easy to do；
2) charging equipment in the embodiment of the present invention can move, and eliminate fixed charging equipment and vehicle in the prior artThe corresponding limitation of position spatially a so that charging equipment gives the vehicle of multiple parking stalls to carry out successively by mobileCharging；
3) embodiment of the present invention, when aligning for second, makes charging module move within a predetermined range by aligning twiceTo obtain the position met corresponding to the charge efficiency of predetermined threshold set by user, further, can also obtain maximum hasThe charge position corresponding to power points is imitated, switching charging high effective model or high-speed mode are facilitated；
4) embodiment of the present invention can also adjust the position of charging module in the vertical direction, to meet different model vehicleCharging room away from.
Description of the drawings
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature of the invention and advantage will becomeIt is more obvious.
Fig. 1 shows the schematic diagram of automobile wireless charging system according to a first embodiment of the present invention.
Fig. 2 shows the flow charts of automobile wireless charging method according to a first embodiment of the present invention.
Fig. 3 shows the schematic diagram of automobile wireless charging system according to a second embodiment of the present invention.
Fig. 4 shows the flow chart of automobile wireless charging method according to a second embodiment of the present invention.
Fig. 5 shows the flow chart of acquisition charge efficiency according to a third embodiment of the present invention.
Fig. 6 shows the charge efficiency isopotential map of each position in preset range according to a third embodiment of the present invention.
Specific implementation mode
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapesFormula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention willFully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figureIcon note indicates same or similar structure, thus will omit repetition thereof.
Described feature, structure or characteristic can be incorporated in one or more embodiments in any suitable mannerIn.In the following description, many details are provided to fully understand embodiments of the present invention to provide.However,One of ordinary skill in the art would recognize that without one or more in specific detail, or using other methods, constituent element, materialMaterial etc., can also put into practice technical scheme of the present invention.In some cases, be not shown in detail or describe known features, material orPerson operates to avoid the fuzzy present invention.
The attached drawing of the present invention is only used for signal relative position relation, and the size of element does not represent actual size in attached drawingProportionate relationship.
Fig. 1 shows the schematic diagram of automobile wireless charging system according to a first embodiment of the present invention.
Automobile wireless charging system includes vehicle-mounted side electric system 210 and ground side charging system 220.
Ground side charging system 220 includes charging module 223, communication and sensing module 225, control module 224.
Charging module 223 includes the charhing unit 221 for moving chassis 222 and being fixed on movement chassis 222.Move chassis222 for making (horizontal plane is parallel to the plane of the bottom surface) movement in the horizontal direction of the charhing unit 221.The chargingUnit 221 is used to charge to the vehicle-mounted side electric system 210.Charhing unit 221 for example can be primary coil component.MovementChassis 222 can for example have multiple directional wheels and multiple universal wheels to be turned to and be travelled.Further, chassis is moved222 and/or charhing unit 221 be additionally provided with ultrasonic detection device to avoidance in advancing, to prevent in moving processIt hits.
In the present embodiment, charhing unit 221 is directly fixed on by insulator on movement chassis 222, and charhing unitThere is no conductor between 221 and ground, and without conductor between charhing unit 221 and vehicle to be charged yet.In another embodimentIn, charhing unit 221 is fixed on by a holder on movement chassis 222, and charhing unit 221 and movement chassis 222 are the bottom of at as a result,Projection on face is not overlapped, in order to not have conductor, charhing unit 221 and vehicle to be charged between charhing unit 221 and groundBetween the also not setting of conductor.In the present embodiment, it (such as can be line that movement chassis 222, which is integrated with energy conversion module,Circle, converts electrical energy into electromagnetic energy), and connect with power grid 228 by power rail 227, the electric energy of power grid 228 is convertedFor magnetic field and it is supplied to charhing unit 221.In yet other embodiments, charhing unit 221 by one independently of movement chassis 222Energy conversion module connect with power grid 228.
Communication is used to read charge parameter (such as Fig. 2 steps of the vehicle-mounted side electric system 210 with sensing module 225S130).In in practice, communication and sensing module 225 can be the wireless communication modules such as bluetooth, WIFI and vision, RFID, NFCEtc. sensing modules, in some embodiments, communication can be communicated with vehicle-mounted side electric system 210 to read with sensing module 225The first charge parameter (such as can be power grade or charge frequency) of the vehicle-mounted side electric system 210.In other realityIt applies in example, communication can be communicated by it with sensing module 225 and sense vehicle to be charged with the sensing function of sensing module 225Mark is to obtain the first charge parameter of vehicle-mounted side electric system 210 according to the mark of vehicle to be charged.The mark of vehicle to be chargedKnowledge for example can be vehicle model or other hardware numbers.Sensing mode is not limited to the identification of contour of the vehicle/size, RFID (is penetratedFrequency identify) mode read label etc..
Control module 224 is communicated with the charging module 223 and the communication with sensing module 225 by signal wire 226Letter.Control module 224 is used to control the movement and charging of charging module 223.
In the present embodiment, vehicle-mounted side electric system 210 for example may include secondary coil component 211, conversion module212, vehicle mounted electrical apparatus 214, motor 213 and communication module 215.Secondary coil component 211 and (the primary coil group of charhing unit 221Part 211) contraposition generates high frequency and exchanges magnetic field, and is converted to electric energy by conversion module 212 and is supplied to the battery in motor 213(optionally, can also power simultaneously to vehicle-mounted electrode 214), from can be to vehicle mounted electrical apparatus when the battery charging complete in motor 213214 power supplies.Communication module 215 with the communication of ground side charging system 220 with sensing module 225 for communicating.
Specifically, Fig. 2 shows the flow charts of automobile wireless charging method according to a first embodiment of the present invention.In conjunction withFig. 1 and Fig. 2, automobile wireless charging system execute automobile wireless charging method by step as shown in Figure 2, and Fig. 2 shows 6 altogetherStep：
Step S110：The control module 224 of ground side Charging 220 receives the charging instruction of vehicle-mounted side electric system 210.
Step S120：The control module 224 drives filling for the ground side charging system 220 according to the charging instructionElectric module 223 is moved at the charge position of vehicle-mounted side electric system 210.
In the present embodiment, the charge position of vehicle-mounted side electric system 210 corresponds to the secondary sideline of vehicle-mounted side electric system 210Coil assembly 211.
In some embodiments, step S120 can make charging module 223 be moved horizontally to vehicle-mounted side in the following wayAt the charge position of electric system 210：Control module 224 obtain the charge position (such as by communication with sensing module 225Communication), control module 224 according to the charge position formed navigation routine, control module 224 according to the navigation routine driveThe charging module 223 for moving the ground side charging system 210 is moved horizontally at the charge position of vehicle-mounted side electric system 210.Specifically, control module 224 drives the movement chassis 221 of charging module 223 vehicle-mounted charhing unit 221 to be moved horizontally toAt the charge position of side electric system 210.
Multiple cameras are provided on charging module 223 in yet other embodiments, and ground has the fixation drawnRoute (route has apparent aberration with ground color), charging module 223 acquire front and back ground image according to cameraAnalysis, may make charging module 223 to be travelled in the route.Meanwhile when charging module 223 travels in the routeWhen, charging module 223 can also identify the secondary coil component of vehicle-mounted side electric system 210 by the camera being disposed there above211 to be aligned.
In further embodiments, pair of charging module 223 and the secondary coil component 211 of vehicle-mounted side electric system 210Position can also be by the stop position of camera collection vehicle and the apparent size of vehicle to calculate vehicle-mounted side electric system 210The approximate location of secondary coil component 211, and drive the movement of charging module 223.Those skilled in the art may be implemented moreChange case, it will not be described here.
Step S130：The communication of the ground side charging system 220 reads the vehicle-mounted side power train with sensing module 225First charge parameter of system 210.
In some embodiments, the communication of ground side charging system 220 and sensing module 225 and the vehicle-mounted side power trainSystem 210 communicates the first charge parameter for directly acquiring the vehicle-mounted side electric system 210.
Communication can be communicated and the sensing work(of sensing module 225 with sensing module 225 by it in yet other embodiments,The mark of vehicle to be charged can be sensed with the first charging for obtaining vehicle-mounted side electric system 210 according to the mark of vehicle to be charged to joinNumber.The control module 224 can be according to the mark of the vehicle to be charged from the database of the ground side charging system 220The first charge parameter of the mark of the corresponding vehicle to be charged is obtained in (not shown).First charge parameter may includePower grade, charge frequency etc..
Step S150：Control module 224 adjusts the second of the ground side charging system according to first charge parameterCharge parameter, the second charge parameter is such as the height parameter of lifting platform, alternating current frequency.
Step S160：Control module 224 drives the charging module 223 horizontal within a preset range from the charge positionDirection scanning movement, and obtain the charge efficiency of the position in the preset range of the charging module 223.
Specifically, step S160 further includes, control module 224 generates the charging module 223 in the preset rangeThe coordinate of interior position and the mapping of charge efficiency.Optionally, the charge position is coordinate origin.Further, it controlsModule 224 drive the charging module 223 from the charge position with pre- fixed step size (such as with 1 centimetre, 3 centimetres, 5 centimetres etc.For step-length) (horizontal direction refers to horizontal plane to horizontal direction, and moving direction for example can be in horizontal plane within a preset rangeDirection movement；In another example can only be moved along the X-axis of reference axis, Y direction) scanning movement.It controls in yet other embodiments,Module 224 drives the movement of the charging module 223 until the charge efficiency is more than or equal to predetermined threshold, and the predetermined threshold is bigIn being less than or equal to 100% equal to 95%, thus fixed time really with accelerating peak efficiency.In further embodiments, described pre-Determine charge efficiency maximum value in the mapping that threshold value is each position and charge efficiency.
Optionally, preset range for example can be to be less than or equal to 30 centimetres of range, apart from charge position apart from charge positionIt sets the range less than or equal to 40 centimetres, be less than or equal to 50 centimetres of range etc. apart from charge position, the present invention is not so limited.
Step S170：Control module 224 drives the charging module 223 to move according to the mapping of each position and charge efficiencyIt moves to the charge efficiency and is more than or equal at the position of predetermined threshold to charge by second charge parameter.
In some embodiments, step S170 is only as high speed/option for efficiently charging, only after user selects the optionJust executed.
The second embodiment of the present invention is described with reference to Fig. 3 and Fig. 4.Fig. 3 is shown according to a second embodiment of the present inventionAutomobile wireless charging system schematic diagram.Fig. 4 shows automobile wireless charging method according to a second embodiment of the present inventionFlow chart.
Automobile wireless charging system shown in Fig. 3 is similar with Fig. 1, and automobile wireless charging system includes vehicle-mounted side electric system210 and ground side charging system 220, ground side charging system 220 include charging module 223, communication and sensing module 225,Control module 224, vehicle-mounted side electric system 210 for example may include secondary coil component 211, conversion module 212, vehicle mounted electrical apparatus214, motor 213 and communication module 215.Automobile wireless charging system shown in Fig. 3 is unlike Fig. 1：Charging module 223 is alsoIncluding lifting unit 229.The movement chassis 222 is connect by the lifting unit 229 with the charhing unit 221, describedLifting unit 229 is for making the charhing unit 221 be moved in vertical direction.The lifting unit 229 is by the control module224 drivings.Fig. 3 only shows a kind of realization method of lifting unit 229, when movement chassis 222 passes through holder and charhing unit221 connection when, lifting unit 229 for driving arm lifting so that drive charhing unit 221 lifting, the present invention not withThis is limited.
Automobile wireless charging system shown in Fig. 3 can be found in Fig. 4 when executing automobile wireless charging method.Step in Fig. 4S110 to step S130, step S160 are identical as Fig. 2 to step S170.In automobile wireless charging method shown in Fig. 4, stepS150 further includes：
Step S140：Control module 224 drives 223 vertical shift of charging module according to first charge parameter.
Specifically, in the present embodiment, the first charge parameter read in step S130 is in addition to power grade and/or fillsFurther include charging room away from, step S140 control modules 224 according to the charging room away from driving the charging module 223 outside electric frequencyLifting unit 229 so that charhing unit 221 lift.
The process of the acquisition charge efficiency of third embodiment of the invention is described with reference to Fig. 5 and Fig. 6.Fig. 5 shows rootAccording to the flow chart of the acquisition charge efficiency of third embodiment of the invention.Fig. 6 shows according to a third embodiment of the present invention predeterminedThe charge efficiency isopotential map of each position in range.
Show that charging module obtains 5 steps of charge efficiency in position referring first to Fig. 5, Fig. 5：
Step S301, step S302 and step S303 can be executed either synchronously or asynchronously.
Step S301：The charhing unit of the control module from the charging module obtains the output work of the charging moduleRate P1.
Step S302：The control module obtains the effective of the vehicle-mounted side electric system from the vehicle-mounted side electric systemReceive power P 2.
Step S303：The control module obtains the coordinate on the movement chassis from the movement chassis of the charging module(or coordinate of the charhing unit).
Step S310：It is in place that the charging module institute is calculated according to the output power P1 and effective reception power P 2The charge efficiency P2/P1 set.
Step S320：Generate the mapping of the coordinate and charge efficiency of the charging module position.
Further, the scanning movement in the present invention is, for example, to be moved to the predetermined model within a predetermined range with a fixed step sizeEnclose the move mode of interior all positions (such as each positions D11 shown in Fig. 6 to D55).Scanning movement in the present invention is for exampleIt can carry out as follows：Control module driving charging module moves in one or more moving periods, until controlling mouldBlock determines that charging module is moved to charge efficiency and meets position corresponding to user preset threshold value.Using charge position as first movementThe starting point in period, in control module driving charging module each moving period movement include：Control module drives charging moduleWith the closing track of the starting point comprising current moving period (closing track have for example round, rectangular close-shaped) rowIt sails, obtains the charge efficiency of position on the closing track；Judge to be more than with the presence or absence of charge efficiency on the closing track and work asThe position of the charge efficiency of the starting point of preceding moving period；If in the presence of by the highest position of charge efficiency on 2 mark of closed orbitStarting point as next moving period；If being not present, terminate the movement of the charging module, and by current moving periodStarting point is determined as the highest position of charge efficiency in the preset range.Optionally, the control module drives the chargingModule is travelled with the closing track of the starting point comprising current moving period, obtains the charging effect of position on the closing trackRate further includes：To each position on the closing track of the starting point comprising current moving period, the charge efficiency at the position is judgedWhether obtained in a upper moving period；If so, the control module drives the charging module along comprising currently moving weekThe closing track of the starting point of phase is travelled to the next position；If it is not, then the control module obtains the charge efficiency at the position,And the charging module is driven to be travelled to the next position along the closing track of the starting point comprising current moving period.
In figure 6, the more highly filled dot density of charge efficiency is bigger.In conjunction with above-mentioned scanning move mode, for example, first movesThe starting point in dynamic period is D11, and preset range is in the range shown in D11 to D55, and closing track is eight dots around D11At rectangle (since 5 points other than D12, D22, D21 are except preset range, without calculate), D12 andThe charge efficiency highest of D22 can choose one as the starting point of the second moving period wherein.For example, being moved D22 as secondThe starting point in dynamic period, closing track are that eight points (D11, D12, D13, D21, D23, D31, D32 and D33) are formed around D22Rectangle (since the charge efficiency in addition to D11, D12, D21 is calculated in the first movement period, be not moved to this threeA point is calculated), wherein the charge efficiency highest of D23, D33 can choose one as the starting of the second moving period whereinPoint.For example, using D33 as the starting point of third moving period, closing track be eight points around D33 (D22, D23, D24,D32, D34, D42, D43 and D44) formed rectangle (since the charge efficiency in addition to D22, D23, D32 is in the second moving periodCalculated, therefore be not moved to three points and calculated), wherein the charge efficiency highest of D34, can asThe starting point of 4th moving period.In multiple points around D34, point more not higher than the charge efficiency of D34 therefore willThe starting point D34 of current moving period is determined as the highest position of charge efficiency in the preset range.
In another embodiment of the present invention, control module drives the charging module from the charge position defaultHorizontal direction scanning movement generates one group to obtain the size of the corresponding charge efficiency of each coordinate points in preset range in rangeMap data.It is then possible to obtain maximum charge efficiency using bubbling algorithm, and the charge efficiency is found from mapping dataCorresponding coordinate point.
The various embodiments described above are only schematically, to be not intended to limit the scope of the invention.Above-mentioned each attached drawingMultiple embodiments of the present invention are diagrammatically only shown, but the present invention is not so limited.Those skilled in the art can be withRealize more change case, under the premise of without prejudice to present inventive concept, these variation patterns are all in protection scope of the present inventionWithin, it will not be described here.
The present invention also provides a kind of ground side charging systems, including charging module, communication and sensing module, control module.Ground side charging system provided by the invention can be as shown in Fig. 1 or Fig. 3, and charging module includes moving chassis and being fixed on to move bottomCharhing unit on disk, for making the charhing unit move in the horizontal direction, the charhing unit is used on the movement chassisIt charges to vehicle-mounted side electric system.Communication is used to read the first charge parameter of the vehicle-mounted side electric system with sensing module.Control module is communicated with the charging module and described communicate with sensing module, and the control module is for controlling charging moduleMovement and charging.The step of control module be can perform as shown in figures 2 or 4, it will not be described here.
Compared with prior art, the present invention has following advantage：
1) by the present invention in that charging module is moved horizontally to be aligned with the charge position of vehicle-mounted side electric system, vehicle is onlyIt need to be parked within designated position, be aligned without vehicle adjustment position；
2) by making charging equipment move, without the limitation corresponding with parking stall of fixed charging equipment so that one is filledElectric equipment can give the vehicle of multiple parking stalls to charge successively；
3) present invention by aligning twice, when aligning for second, charging module is made to move within a predetermined range to obtainThe position for the peak power that charges, thus, it is possible to which maximum effective power point, facilitates switching high effective model and high-speed mode；
4) present invention can also modulate the position of charging module in the vertical direction, to meet the charging of different model vehicleSpacing.
It is particularly shown and described exemplary embodiments of the present invention above.It should be understood that the present invention is not limited to instituteDisclosed embodiment, on the contrary, it is intended to cover comprising within the scope of the appended claims various modifications and equivalent setIt changes.