CN106143188B - The alignment methods and system of electric vehicle wireless charging position - Google Patents
The alignment methods and system of electric vehicle wireless charging position Download PDFInfo
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- CN106143188B CN106143188B CN201610527545.7A CN201610527545A CN106143188B CN 106143188 B CN106143188 B CN 106143188B CN 201610527545 A CN201610527545 A CN 201610527545A CN 106143188 B CN106143188 B CN 106143188B
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/36—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/37—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles using optical position determination, e.g. using cameras
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
- B60L53/35—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles
- B60L53/38—Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer
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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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/12—Electric charging stations
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses the alignment methods and system of a kind of electric vehicle wireless charging position, wherein electric vehicle includes wireless charging button and vehicle mounted multimedia, wherein vehicle mounted multimedia includes display area, and method includes：User is received for the button inputted wireless charging instruction of wireless charging；It instructs control camera to shoot wireless charging current potential graticule according to wireless charging, and generates image sequence；The angle of electric vehicle direction and target direction is calculated according to image sequence, and sets virtual graticule；Electric machine controller action is controlled according to angle, so that electric vehicle rotating object angle；When the coincidence factor of current virtual graticule and wireless charging current potential graticule is more than preset value, control display area shows that user parks completion.The alignment methods of the electric vehicle wireless charging position of the embodiment of the present invention can improve the wireless charging efficiency of electric vehicle, reduce the charging time, promote user experience.
Description
Technical field
The present invention relates to wireless charging technical fields, and in particular to a kind of alignment methods of electric vehicle wireless charging position
And system.
Background technology
Currently, existing electric vehicle wireless charging method is generally used electromagnetic induction method, that is, include that electric energy emits
Coil and electric energy receiving coil.In energy transport, the relative distance and offset of transmitting coil and receiving coil all can be right
The efficiency of transmission of system generates certain influence.The coil of electric vehicle reception electric energy is typically mounted at the bottom of electric vehicle,
And because the chassis height of different automobile types has differences, the relative position of receiving coil and transmitting coil can also have deviation.Work as hair
When ray circle and receiving coil center are aligned relatively, entire radio energy transmission system can obtain maximal efficiency.Therefore,
When electric vehicle carries out wireless charging, to base station charging transmitting terminal (i.e. transmitting coil) and vehicle-mounted receiving terminal (i.e. receiving coil)
Position alignment precision it is more demanding.
Invention content
The present invention is directed to solve one of the technical problem in above-mentioned technology at least to a certain extent.
For this purpose, an object of the present invention is to provide a kind of alignment methods of electric vehicle wireless charging position, the party
Method can improve the wireless charging efficiency of electric vehicle, reduce the charging time, promote user experience.
Second object of the present invention be to propose a kind of electric vehicle wireless charging position to Barebone.
To achieve the above object, the embodiment of first aspect present invention proposes a kind of electric vehicle wireless charging position
Alignment methods, the electric vehicle include wireless charging button and vehicle mounted multimedia, wherein the vehicle mounted multimedia includes display
Region the described method comprises the following steps：User is received for the button inputted wireless charging instruction of the wireless charging；According to
The wireless charging instruction control camera shoots wireless charging current potential graticule, and generates image sequence；According to described image sequence
The angle of the electric vehicle direction and target direction is calculated, and is set identical with the wireless charging current potential graticule size
Virtual graticule；Electric machine controller action is controlled according to the angle, to control motor rotation by the electric machine controller, makes institute
State electric vehicle rotating object angle；Judge whether the coincidence factor of presently described virtual graticule and the wireless charging current potential graticule is big
In preset value；If the coincidence factor of presently described virtual graticule and the wireless charging current potential graticule is more than the preset value, control
It makes the display area and shows that the user parks completion.
The alignment methods of the electric vehicle wireless charging position of the embodiment of the present invention, can be by taking the photograph to being arranged in vehicle body
As the obtained image sequence of wireless charging current potential graticule that head is shot is handled, electric vehicle direction and target direction are obtained
Angle, and set virtual graticule, and then position control is carried out to electric vehicle according to the angle so that virtual graticule with it is wireless
The coincidence factor of charge position graticule reaches preset value or more, even if electric vehicle rests in the higher position of charge efficiency, as a result,
The wireless charging efficiency of electric vehicle can be improved, the charging time is reduced, promotes user experience.
In addition, the alignment methods of electric vehicle wireless charging according to the above embodiment of the present invention position can also have such as
Under additional technical characteristic：
According to one embodiment of present invention, the target angle is calculated according to formula β=k* α, wherein β is target angle
Degree, α are the angle, and k is coefficient.
According to one embodiment of present invention, the value of k is determined according to the vehicle of the electric vehicle, wherein the value of k
Ranging from 1~2.
According to one embodiment of present invention, the method further includes：During controlling the electric machine controller, control
It makes the vehicle mounted multimedia and sends out phonetic control command, so that the user passes through accelerator pedal according to the phonetic control command
And/or brake pedal is longitudinally controlled to electric vehicle progress.
According to one embodiment of present invention, the value range of the preset value is 93%~97%.
According to one embodiment of present invention, the method further includes：If presently described virtual graticule with it is described wireless
The coincidence factor of charge position graticule is more than the preset value, then releases the control to the steering motor controller.
According to one embodiment of present invention, the method further includes：Wireless charging is carried out in the electric vehicle to park
During, control the status information that the display area shows the electric vehicle, wherein the status information includes at least
Wireless charging is parked state.
In order to achieve the above objectives, the embodiment of second aspect of the present invention proposes a kind of electric vehicle wireless charging position
To Barebone, the electric vehicle includes wireless charging button and vehicle mounted multimedia, wherein the vehicle mounted multimedia includes display
Region, the system comprises：Receiving module refers to for receiving user for the button inputted wireless charging of the wireless charging
It enables；First control module, for instructing control camera to shoot wireless charging current potential graticule according to the wireless charging, to generate figure
As sequence；Setting module is calculated, for calculating the electric vehicle direction and target direction according to described image sequence
Angle, and set virtual graticule identical with the wireless charging current potential graticule size；Second control module, for according to the folder
Angle controls electric machine controller action, to control motor rotation by the electric machine controller, makes the electric vehicle rotating object
Angle；Judgment module, for judging it is pre- whether the coincidence factor of presently described virtual graticule and the wireless charging current potential graticule is more than
If value；Third control module, it is described for being more than in the coincidence factor of presently described virtual graticule and the wireless charging current potential graticule
When preset value, controls the display area and show that the user parks completion.
The electric vehicle wireless charging position of the embodiment of the present invention to Barebone, can be controlled by the first control module
Wireless charging current potential graticule in the camera shooting of vehicle body is set, to obtain image sequence, by calculating setting module to image
Sequence is handled, and the angle of electric vehicle direction and target direction is obtained, and sets virtual graticule, and then passes through second
Control module carries out position control according to the angle to electric vehicle, and in the coincidence factor of virtual graticule and wireless charging current potential graticule
When reaching preset value or more, display area is controlled by third control module and shows completion of parking, at this point, electric vehicle is stopped
The charging time is reduced thereby, it is possible to improve the wireless charging efficiency of electric vehicle in the higher position of charge efficiency, is promoted and is used
It experiences at family.
In addition, electric vehicle wireless charging according to the above embodiment of the present invention position can also have such as Barebone
Under additional technical characteristic：
According to one embodiment of present invention, second control module includes：Computing module, for according to formula β=
K* α calculate the target angle, wherein β is target angle, and α is the angle, and k is coefficient.
According to one embodiment of present invention, the value of k is determined according to the vehicle of the electric vehicle, wherein the value of k
Ranging from 1~2.
According to one embodiment of present invention, second control module, is additionally operable to：It is controlled in second control module
It during the electric machine controller, controls the vehicle mounted multimedia and sends out phonetic control command, so that the user is according to institute
It is longitudinally controlled to electric vehicle progress by accelerator pedal and/or brake pedal to state phonetic control command.
According to one embodiment of present invention, the value range of the preset value is 93%~97%.
According to one embodiment of present invention, second control module, is additionally operable to：In presently described virtual graticule and institute
When stating the coincidence factor of wireless charging current potential graticule more than the preset value, the control to the steering motor controller is released.
According to one embodiment of present invention, the third control module, is additionally operable to：It is carried out in the electric vehicle wireless
During charging is parked, the status information that the display area shows the electric vehicle is controlled, wherein the status information
It parks state including at least wireless charging.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination following accompanying drawings to embodiment
Obviously and it is readily appreciated that, wherein：
Fig. 1 is the flow chart of the alignment methods of electric vehicle wireless charging according to an embodiment of the invention position；
Fig. 2 is the schematic diagram of electric vehicle according to an embodiment of the invention and wireless charging current potential graticule；
Fig. 3 is the structure diagram to Barebone of electric vehicle wireless charging according to an embodiment of the invention position.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the alignment methods and system of the electric vehicle wireless charging position of the embodiment of the present invention are described.
Fig. 1 is the flow chart of the alignment methods of the electric vehicle wireless charging position of the embodiment of the present invention.
In an embodiment of the present invention, electric vehicle includes wireless charging button and vehicle mounted multimedia, wherein vehicle-mounted more matchmakers
Body includes display area.
As shown in Figure 1, the alignment methods of the electric vehicle wireless charging position include：
S101 receives user for the button inputted wireless charging instruction of wireless charging.
In one embodiment of the invention, wireless charging button can be arranged in electric vehicle, main driving position
The place that user can touch, for example, the operation panel etc. of steering wheel, vehicle mounted multimedia.
S102 instructs control camera to shoot wireless charging current potential graticule, and generates image sequence according to wireless charging.
In one embodiment of the invention, camera can have multiple, such as 4,6 etc., can be arranged electronic
The surrounding of body of a motor car, such as front and back and each one or each one front and back of both sides, each two of both sides etc., to shoot wireless charging
Current potential graticule.
It is understood that wireless charging current potential graticule can be provided in the boundary line on ground, i.e., corresponding sides is wireless
Charge position graticule is mutually parallel, and to surround a fixed figure, such as can surround rectangle.Wherein, wireless charging
The color of position graticule can be, but not limited to be yellow, red, green etc..
S103 calculates the angle of electric vehicle direction and target direction, and setting and wireless charging according to image sequence
The identical virtual graticule of current potential graticule size.
Specifically, the angle of electric vehicle direction and target direction can be calculated by image processing algorithm.
It is understood that there is apparent difference in the wireless charging current potential graticule in image sequence, as a result, with other scenery
It can be very good the angle that electric vehicle direction and target direction is calculated by corresponding image processing method.Its
In, as shown in Fig. 2, target direction OB is parallel with two wireless charging current potential graticules of side, angle AOB is electric vehicle place side
To the angle with target direction.
In one embodiment of the invention, it can be set and wireless charging current potential graticule size according to the position of electric vehicle
Identical virtual graticule.
Optionally, in one embodiment of the invention, wireless charging can be shown in display area in certain proportion
Position graticule and current virtual graticule, can also show the coincidence factor of wireless charging current potential graticule and current virtual graticule.
Wherein, the coincidence factor of wireless charging current potential graticule and current virtual graticule can be the face by the two intersection
Product and the area ratio of the formed figure of wireless charging current potential graticule are calculated.
S104 controls electric machine controller action according to angle, to control motor rotation by electric machine controller, makes electronic vapour
Vehicle rotating object angle.
In one embodiment of the invention, target angle can be calculated according to formula β=k* α, wherein β is target angle
Degree, α is angle, and k is coefficient.
Specifically, the value of k can be determined according to the vehicle of electric vehicle, wherein the value range of k can be 1~2.
In one embodiment of the invention, in electric vehicle position change, corresponding current virtual graticule with it is wireless
The relative position of charge position graticule is also changing, and coincidence factor between the two is also changing.
S105, judges whether current virtual graticule and the coincidence factor of wireless charging current potential graticule are more than preset value.
In one embodiment of the invention, the value range of preset value can be 93%~97%, such as 95%.
S106 controls viewing area if current virtual graticule and the coincidence factor of wireless charging current potential graticule are more than preset value
Domain shows that user parks completion.
It is understood that current virtual graticule and the coincidence factor of wireless charging current potential graticule are bigger, show electric vehicle into
Stop position when row wireless charging is more accurate, and charging effect when carrying out wireless charging is better.
Further, if the coincidence factor of current virtual graticule and wireless charging current potential graticule is more than preset value, releasing pair
The control of steering motor controller.
It is understood that if current virtual graticule and the coincidence factor of institute's micro USB current potential graticule are more than preset value, say
The stop position of bright electric vehicle can meet efficient charging requirement, no longer need to control the position of electric vehicle at this time
System, that is, release the control to steering motor controller.
In one embodiment of the invention, during controlling electric machine controller, vehicle mounted multimedia can also be controlled
Send out phonetic control command so that user according to phonetic control command by accelerator pedal and/or brake pedal to electric vehicle
It carries out longitudinally controlled.
It is understood that before user is for the input wireless charging instruction of wireless charging button, electric vehicle has stopped
It in the wireless charging position of formulation, is only possible to not be optimal charge position, then needs to carry out the position of electric vehicle small
Amplitude adjusts.Motor rotation can be controlled by electric machine controller, so that electric vehicle rotating object angle, in the process, also
Electric vehicle can be controlled and carry out longitudinal movement.Specifically, phonetic control command can be sent out, so that user is according to voice control
Instruction carries out electric vehicle by accelerator pedal and/or brake pedal longitudinally controlled.
In one embodiment of the invention, during electric vehicle progress wireless charging is parked, viewing area is controlled
Domain shows the status information of electric vehicle, wherein status information is parked state including at least wireless charging.
The alignment methods of the electric vehicle wireless charging position of the embodiment of the present invention, can be by taking the photograph to being arranged in vehicle body
As the obtained image sequence of wireless charging current potential graticule that head is shot is handled, electric vehicle direction and target direction are obtained
Angle, and set virtual graticule, and then position control is carried out to electric vehicle according to the angle so that virtual graticule with it is wireless
The coincidence factor of charge position graticule reaches preset value or more, even if electric vehicle rests in the higher position of charge efficiency, as a result,
The wireless charging efficiency of electric vehicle can be improved, the charging time is reduced, promotes user experience.
Fig. 3 is the electric vehicle wireless charging position of one embodiment of the invention to Barebone.
In an embodiment of the present invention, electric vehicle includes wireless charging button and vehicle mounted multimedia, wherein vehicle-mounted more matchmakers
Body includes display area.
As shown in figure 3, the electric vehicle wireless charging position includes to Barebone：Receiving module 10, first controls mould
Block 20 calculates setting module 30, the second control module 40, judgment module 50 and third control module 60.
Wherein, receiving module 10 is for receiving user for the button inputted wireless charging instruction of wireless charging.
In one embodiment of the invention, wireless charging button can be arranged in electric vehicle, main driving position
The place that user can touch, for example, the operation panel etc. of steering wheel, vehicle mounted multimedia.
First control module 20 is used to instruct control camera to shoot wireless charging current potential graticule according to wireless charging, to generate
Image sequence.
In one embodiment of the invention, camera can have multiple, such as 4,6 etc., can be arranged electronic
The surrounding of body of a motor car, such as front and back and each one or each one front and back of both sides, each two of both sides etc., to shoot wireless charging
Current potential graticule.
It is understood that wireless charging current potential graticule can be provided in the boundary line on ground, i.e., corresponding sides is wireless
Charge position graticule is mutually parallel, and to surround a fixed figure, such as can surround rectangle.Wherein, wireless charging
The color of position graticule can be, but not limited to be yellow, red, green etc..
The angle that setting module 30 is used to calculate electric vehicle direction and target direction according to image sequence is calculated, and
Setting virtual graticule identical with wireless charging current potential graticule size.
Specifically, the angle of electric vehicle direction and target direction can be calculated by image processing algorithm.
It is understood that there is apparent difference in the wireless charging current potential graticule in image sequence, as a result, with other scenery
It can be very good the angle that electric vehicle direction and target direction is calculated by corresponding image processing method.Its
In, as shown in Fig. 2, target direction OB is parallel with two wireless charging current potential graticules of side, angle AOB is electric vehicle place side
To the angle with target direction.
In one embodiment of the invention, it can be set and wireless charging current potential graticule size according to the position of electric vehicle
Identical virtual graticule.
Optionally, in one embodiment of the invention, wireless charging can be shown in display area in certain proportion
Position graticule and current virtual graticule, can also show the coincidence factor of wireless charging current potential graticule and current virtual graticule.
Wherein, the coincidence factor of wireless charging current potential graticule and current virtual graticule can be the face by the two intersection
Product and the area ratio of the formed figure of wireless charging current potential graticule are calculated.
Second control module 40 is used to control electric machine controller action according to angle, to control motor by electric machine controller
Rotation, makes electric vehicle rotating object angle.
In one embodiment of the invention, the second control module 40 further comprises computing module 41, computing module 41
It can be used for calculating target angle according to formula β=k* α, wherein β is target angle, and α is angle, and k is coefficient.
Specifically, the value of k can be determined according to the vehicle of electric vehicle, wherein the value range of k can be 1~2.
In one embodiment of the invention, in electric vehicle position change, corresponding current virtual graticule with it is wireless
The relative position of charge position graticule is also changing, and coincidence factor between the two is also changing.
Judgment module 50 is used to judge whether current virtual graticule and the coincidence factor of wireless charging current potential graticule to be more than preset value.
In one embodiment of the invention, the value range of preset value can be 93%~97%, such as 95%.
Third control module 60 is used for when the coincidence factor of current virtual graticule and wireless charging current potential graticule is more than preset value,
Control display area shows that user parks completion.
It is understood that current virtual graticule and the coincidence factor of wireless charging current potential graticule are bigger, show electric vehicle into
Stop position when row wireless charging is more accurate, and charging effect when carrying out wireless charging is better.
Further, the second control module 40 can be also used for overlapping in current virtual graticule and wireless charging current potential graticule
When rate is more than preset value, the control to steering motor controller is released.
It is understood that if current virtual graticule and the coincidence factor of institute's micro USB current potential graticule are more than preset value, say
The stop position of bright electric vehicle can meet efficient charging requirement, no longer need to control the position of electric vehicle at this time
System releases the control to steering motor controller by the second control module 40.
In one embodiment of the invention, the second control module 40 can be also used for the process in control electric machine controller
In, control vehicle mounted multimedia sends out phonetic control command, so that user passes through accelerator pedal and/or system according to phonetic control command
Dynamic pedal carries out electric vehicle longitudinally controlled.
It is understood that before user is for the input wireless charging instruction of wireless charging button, electric vehicle has stopped
It in the wireless charging position of setting, is only possible to not be optimal charge position, then needs to carry out the position of electric vehicle small
Amplitude adjusts.Motor rotation can be controlled by electric machine controller, so that electric vehicle rotating object angle, in the process, also
Electric vehicle can be controlled and carry out longitudinal movement.Specifically, the second control module 40 can send out voice with control voice module 70
Control instruction, so that user carries out longitudinal direction by accelerator pedal and/or brake pedal according to phonetic control command to electric vehicle
Control.
In one embodiment of the invention, third control module 60 can be also used for carrying out wireless charging in electric vehicle
During parking, control display area shows the status information of electric vehicle, wherein status information includes at least wireless charging
It parks state.
The electric vehicle wireless charging position of the embodiment of the present invention to Barebone, can be controlled by the first control module
Wireless charging current potential graticule in the camera shooting of vehicle body is set, to obtain image sequence, by calculating setting module to image
Sequence is handled, and the angle of electric vehicle direction and target direction is obtained, and sets virtual graticule, and then passes through second
Control module carries out position control according to the angle to electric vehicle, and in the coincidence factor of virtual graticule and wireless charging current potential graticule
When reaching preset value or more, display area is controlled by third control module and shows completion of parking, at this point, electric vehicle is stopped
The charging time is reduced thereby, it is possible to improve the wireless charging efficiency of electric vehicle in the higher position of charge efficiency, is promoted and is used
It experiences at family.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (14)
1. a kind of alignment methods of electric vehicle wireless charging position, which is characterized in that the electric vehicle includes wireless charging
Button and vehicle mounted multimedia, wherein the vehicle mounted multimedia includes display area, be the described method comprises the following steps：
User is received for the button inputted wireless charging instruction of the wireless charging；
It instructs control camera to shoot wireless charging current potential graticule according to the wireless charging, and generates image sequence；
Calculate the angle of the electric vehicle direction and target direction according to described image sequence, and set with it is described wireless
The identical virtual graticule of charge position graticule size；
Electric machine controller action is controlled according to the angle, to control motor rotation by the electric machine controller, makes the electricity
Electrical automobile rotating object angle；
Judge whether presently described virtual graticule and the coincidence factor of the wireless charging current potential graticule are more than preset value；
If the coincidence factor of presently described virtual graticule and the wireless charging current potential graticule is more than the preset value, described in control
Display area shows that the user parks completion.
2. the alignment methods of electric vehicle wireless charging according to claim 1 position, which is characterized in that according to formula β
=k* α calculate the target angle, wherein β is target angle, and α is the angle, and k is coefficient.
3. the alignment methods of electric vehicle wireless charging according to claim 2 position, which is characterized in that according to the electricity
The vehicle of electrical automobile determines the value of k, wherein the value range of k is 1~2.
4. the alignment methods of electric vehicle wireless charging according to claim 1 position, which is characterized in that further include：
During controlling the electric machine controller, controls the vehicle mounted multimedia and send out phonetic control command, so that described
User carries out the electric vehicle by accelerator pedal and/or brake pedal according to the phonetic control command longitudinally controlled.
5. the alignment methods of electric vehicle wireless charging according to claim 1 position, which is characterized in that the preset value
Value range be 93%~97%.
6. the alignment methods of electric vehicle wireless charging according to claim 1 position, which is characterized in that further include：
If the coincidence factor of presently described virtual graticule and the wireless charging current potential graticule is more than the preset value, release to institute
State the control of electric machine controller.
7. the alignment methods of electric vehicle wireless charging according to claim 1 position, which is characterized in that further include：
During electric vehicle progress wireless charging is parked, controls the display area and show the electric vehicle
Status information, wherein the status information is parked state including at least wireless charging.
8. a kind of electric vehicle wireless charging position to Barebone, which is characterized in that the electric vehicle includes wireless charging
Button and vehicle mounted multimedia, wherein the vehicle mounted multimedia includes display area, the system comprises：
Receiving module, for receiving user for the button inputted wireless charging instruction of the wireless charging；
First control module, for instructing control camera to shoot wireless charging current potential graticule according to the wireless charging, to generate
Image sequence；
Calculate setting module, the folder for calculating the electric vehicle direction and target direction according to described image sequence
Angle, and set virtual graticule identical with the wireless charging current potential graticule size；
Second control module, for controlling electric machine controller action according to the angle, to be controlled by the electric machine controller
Motor rotates, and makes the electric vehicle rotating object angle；
Judgment module, for judging it is default whether the coincidence factor of presently described virtual graticule and the wireless charging current potential graticule is more than
Value；
Third control module, it is described pre- for being more than in the coincidence factor of presently described virtual graticule and the wireless charging current potential graticule
If when value, controlling the display area and showing that the user parks completion.
9. electric vehicle wireless charging according to claim 8 position to Barebone, which is characterized in that it is described second control
Molding block includes：
Computing module, for calculating the target angle according to formula β=k* α, wherein β is target angle, and α is the angle,
K is coefficient.
10. electric vehicle wireless charging according to claim 9 position to Barebone, which is characterized in that according to described
The vehicle of electric vehicle determines the value of k, wherein the value range of k is 1~2.
11. electric vehicle wireless charging according to claim 8 position to Barebone, which is characterized in that described second
Control module is additionally operable to：
During second control module controls the electric machine controller, controls the vehicle mounted multimedia and send out voice control
System instruction so that the user according to the phonetic control command by accelerator pedal and/or brake pedal to the electronic vapour
Vehicle carries out longitudinally controlled.
12. electric vehicle wireless charging according to claim 8 position to Barebone, which is characterized in that it is described default
The value range of value is 93%~97%.
13. electric vehicle wireless charging according to claim 8 position to Barebone, which is characterized in that described second
Control module is additionally operable to：
When the coincidence factor of presently described virtual graticule and the wireless charging current potential graticule is more than the preset value, release to described
The control of electric machine controller.
14. electric vehicle wireless charging according to claim 8 position to Barebone, which is characterized in that the third
Control module is additionally operable to：
During electric vehicle progress wireless charging is parked, controls the display area and show the electric vehicle
Status information, wherein the status information is parked state including at least wireless charging.
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| CN108146256A (en) * | 2016-12-06 | 2018-06-12 | 比亚迪股份有限公司 | Electric vehicle and its wireless charging automatic contraposition device and method |
| CN107415720A (en) * | 2017-04-19 | 2017-12-01 | 长春汽车工业高等专科学校 | A kind of wireless charging system for electric automobile implementation method based on ZigBee |
| CN107839513B (en) * | 2017-10-17 | 2019-12-27 | 河南工程学院 | Control device for rotation of non-contact coil of electric automobile |
| CN108074263B (en) * | 2017-11-20 | 2021-09-14 | 蔚来(安徽)控股有限公司 | Visual positioning method and system |
| CN109962534A (en) * | 2017-12-25 | 2019-07-02 | 中惠创智无线供电技术有限公司 | Electric car positions method, apparatus and the system of parking |
| CN108312882B (en) * | 2018-03-14 | 2020-11-17 | 湖南超能机器人技术有限公司 | Signal recording and charging pile position determination method for robot charging alignment technology |
| CN113871955B (en) * | 2020-06-30 | 2023-02-10 | 比亚迪股份有限公司 | Charging adapter device, method for aligning vehicle-mounted alternating current charging socket and vehicle |
| CN112840388B (en) * | 2021-01-13 | 2022-07-19 | 华为技术有限公司 | Wireless charging parking place parking recommendation method and system |
| CN113589784B (en) * | 2021-07-19 | 2022-11-15 | 国网江苏省电力有限公司苏州供电分公司 | Position sensing and alignment guiding test system of wireless charging system of electric automobile |
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