CN107021012A - Electric car reverse aid, system and reversing auxiliary alignment methods - Google Patents
Electric car reverse aid, system and reversing auxiliary alignment methods Download PDFInfo
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- CN107021012A CN107021012A CN201610071199.6A CN201610071199A CN107021012A CN 107021012 A CN107021012 A CN 107021012A CN 201610071199 A CN201610071199 A CN 201610071199A CN 107021012 A CN107021012 A CN 107021012A
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- wireless charging
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- electric car
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
-
- 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
- B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
- B60L53/12—Inductive energy transfer
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/10—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used
- B60R2300/103—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by the type of camera system used using camera systems provided with artificial illumination device, e.g. IR light source
-
- 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
-
- 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
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Multimedia (AREA)
- Image Processing (AREA)
Abstract
The present invention relates to vehicle electronics technical field, more particularly to a kind of electric car reverse aid, system and reversing auxiliary alignment methods.The reverse aid at least includes:First camera module, memory module, image processor and display screen；First camera module includes the first camera, and first camera is arranged under underbody and the first image for obtaining under underbody, on ground；The memory module is used to store the pre-set image for characterizing the wireless charging take-up reel；Described image processor is used to carry out image procossing to the pre-set image and the first image；The display screen is connected with described image processor, and for showing the pre-set image and the first image after image procossing.The present invention can be that the wireless charging on ground can be achieved to launch disk and the alignment of the wireless charging take-up reel on car by the first image in viewing display screen, and can also realize automatic parking.
Description
Technical field
The present invention relates to vehicle electronics technical field, more particularly to a kind of electric car reverse aid, system
And reversing auxiliary alignment methods.
Background technology
With application of the modern electronic technology in Vehicular system, the popularization of reversing aid system is visualized to car
Main providing a great convenience property of backing parking and security.Reversing aid system is visualized, it is typically will
Camera is arranged on after car, by in-car display screen, the barrier after high-visible car, makes car owner to car
Situation afterwards is more directly perceived visual.
However, with the fast development of new energy wireless charging automobile, reversing aid system is proposed renewal,
Higher requirement.Electric car requires the hair in take-up reel and ground on electric car before wireless charging is carried out
Disk alignment is penetrated, to improve charge efficiency.And current visualization reversing aid system can only be aided in electric car
It is docked on parking stall, it is impossible to auxiliary alignment.Therefore, how to design a kind of realize and aid in alignment charging
Electric car reversing aid system, is industry urgent problem to be solved.
The content of the invention
In view of this, the present invention provides a kind of electric car reversing auxiliary dress for being advantageously implemented auxiliary alignment charging
Put, system and reversing aid in alignment methods, with to the charging of follow-up automated wireless or non-automatic wireless charging band
To facilitate.
In the electric car reverse aid that the present invention is provided, the electric car includes being arranged under underbody
Wireless charging take-up reel, the reverse aid at least includes:First camera module, memory module,
Image processor and display screen；First camera module includes the first camera, first camera
It is arranged under underbody and the first image for obtaining under underbody, on ground, first image is used to find
Wireless charging transmitting disk on ground；The memory module, which is used to store, characterizes the wireless charging take-up reel
Pre-set image；Described image processor is used to carry out image procossing to the pre-set image and the first image,
Described image processing at least includes scale transformation processing and overlap-add procedure；The display screen is handled with described image
Device is connected, and for showing the pre-set image and the first image after image procossing.
In the electric car reverse aid that the present invention is provided, the electric car also include controller with
And the EPB being connected with the controller, also it is stored with when the wireless charging in the memory module
Disk is actual for the transmitting of take-up reel and the wireless charging when being aligned, the wireless charging take-up reel and the wireless charging
Vertical range between electricity transmitting disk, first camera detected when described image processor and ground
On the wireless charging transmitting disk between first distance be near or equal to the vertical range when, institute
The controller that image processor sends instructions to the electric car is stated, the controller controls the electric car
EPB controls the electric car automatic parking.
In the electric car reverse aid that the present invention is provided, described image processing also includes to described
Pre-set image carries out translucentization processing and/or dotted line processing.
In the electric car reverse aid that the present invention is provided, described image processor is additionally operable to institute
The most middle position that pre-set image is arranged at the display screen is stated, first camera is located at the wireless charging
The center of electric take-up reel or peripheral position, the pre-set image after image procossing are still image,
It at least includes broken circle, with the centrosymmetric cross dotted line of the broken circle.
In the electric car reverse aid that the present invention is provided, first camera has first jiao
Position is spent, the first angle position is met, when the electric car is parked on the ground, and meet described wireless
When charging take-up reel is just aligned with wireless charging transmitting disk, the shooting angle of first camera causes institute
The transmitting disk of the wireless charging in the first image is stated to overlap or essentially coincide with the pre-set image.
In the electric car reverse aid that the present invention is provided, the reverse aid also includes falling
Stopping switch, first camera module also includes shutter controller and shutter, the reversing switch and institute
State shutter controller connection, its be used to controlling when reversing switch is opened or is closed the unlatching of the shutter with
Closure.
In the electric car reverse aid that the present invention is provided, the reverse aid also includes the
Two camera modules, it at least includes second camera, and the second camera is installed on after car and for obtaining
The second image after car on ground, described image processor is additionally operable to realize second image and superposition
State the switching of the first image of pre-set image or by second image and be superimposed with the of the pre-set image
One image is superimposed again, and is shown in the display screen.
Present invention also offers another electric car reverse aid, the electric car includes being arranged on car
Beneath wireless charging take-up reel, the reverse aid at least includes:First camera module, storage
Module, image processor and display screen；First camera module includes the first camera, described first
Camera is arranged under underbody and launches the coordinate points of disk for catching the wireless charging on ground；The storage
Module is used to store the pre-set image for characterizing the wireless charging take-up reel；Described image processor is used for institute
State pre-set image and coordinate points and carry out image procossing, described image processing at least include scale transformation processing and
Overlap-add procedure；The display screen is connected with described image processor, and for showing after image procossing
The pre-set image and coordinate points.
In the reverse aid, first camera is infrared camera, the wireless charging transmitting
On disk have infrared transmitting device, the infrared camera according to the infrared transmitting device launch it is red
Outside line determines the coordinate points.
Present invention also offers a kind of electric car reversing aid system, it includes being arranged at wireless on ground
Charging transmitting disk, the wireless charging take-up reel under electric car and above-mentioned electric car reversing auxiliary dress
Put.
Present invention also offers another electric car reversing aid system, it includes being arranged at the nothing on ground
Line charging transmitting disk and the first label or the first marker graphic, the electric car include being arranged on underbody
Under wireless charging take-up reel, first label or the first marker graphic and the wireless charging are launched
There is second distance, the reverse aid at least includes between disk:First camera module, memory module,
Image processor and display screen；First camera module includes the first camera, first camera
Tailstock portion and the first image for obtaining under underbody, on ground are arranged at, first image is used to find
The first label or the first marker graphic on ground, first camera are received with the wireless charging
There is second distance, the second distance is equal or close in first distance between disk；The storage
Module is used to store the pre-set image for characterizing first label or the first marker graphic；At described image
Managing device is used to carry out the pre-set image and the first image image procossing, and described image processing at least includes
Scale transformation processing and overlap-add procedure；The display screen is connected with described image processor, and for showing warp
The pre-set image and the first image crossed after image procossing.
In the reversing aid system, the reversing aid system also includes the second label or the second mark
Figure；First camera module also includes the 3rd camera, and the 3rd camera is located at the headstock
Position, has the 3rd distance, the label between the 3rd camera and the wireless charging take-up reel
Or second have the 4th distance, the 4th distance etc. between marker graphic with wireless charging transmitting disk
In or close to the 3rd distance；First image be additionally operable to find ground on the second label or
The marker graphic of person second, the memory module is additionally operable to storage and characterizes second label or the second mark
The pre-set image of figure；Described image processor is used to carry out image to the pre-set image and the first image
Processing, described image processing at least includes scale transformation processing and overlap-add procedure；The display screen and the figure
As processor connection, and for showing the pre-set image and the first image after image procossing.
Present invention also offers one kind reversing auxiliary alignment methods, it at least comprises the following steps：
Storing step：Storage characterizes the pre-set image of the wireless charging take-up reel set under underbody；
Photography step：Obtained by the first camera for being arranged under underbody under underbody, the first shadow on ground
Picture, the wireless charging transmitting disk that first image is used to find on ground；
Transmitting step：By first image transmission to image processor；
Image processing step：The pre-set image and the first image are carried out at image procossing, described image
Reason at least includes scale transformation processing and overlap-add procedure；
Step display：Show the pre-set image and the first image after image procossing.
In the reversing auxiliary alignment methods that the present invention is provided, described image process step also includes described pre-
If image carries out translucentization processing and/or dotted line processing.
In the reversing auxiliary alignment methods that the present invention is provided, described image process step also includes will be described
Pre-set image is arranged at the most middle position of the display screen, and first camera is located at the wireless charging
The center of take-up reel or peripheral position.
In the electric car reverse aid that the present invention is provided, received due to the wireless charging will be characterized
The pre-set image of disk is stored in memory module in advance, and the first camera is arranged under underbody to obtain first
Image, display screen shows pre-set image and the first image, thus driver is in reversing process, i.e.,
It can be found by the first image under underbody, the wireless charging on ground launches disk, by the aligning to car,
So that the wireless charging transmitting disk in the first image is aligned with pre-set image, i.e., the present invention can be aobvious by viewing
The first image in display screen is that the wireless charging transmitting disk that can be achieved on ground is received with the wireless charging on car
The alignment of disk, facility is provided for follow-up alignment charging；On the other hand, described image processor can be in institute
State the first distance it is equal with the vertical range when control the electric car automatic parking, therefore the present invention is right
Intelligent parking can be realized while quasi-.In addition, the present invention is only by increasing memory module and setting first
Camera is under underbody, and whole reverse aid cost is relatively low, is easy to penetration and promotion.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
The structure of the electric car reverse aid 100 for the better embodiment that Fig. 1 provides for the present invention is shown
It is intended to；
Fig. 2 is the stroke schematic diagram of automatic parking when the electric car 30 is moved backward；
Fig. 3 is that the picture at a certain moment of the reverse aid in reversing process in present embodiment is shown
Figure；
The flow signal of the reversing auxiliary alignment methods for the better embodiment that Fig. 4 provides for the present invention
Figure；
The structure of the electric car reverse aid 100 for another better embodiment that Fig. 5 provides for the present invention
Schematic diagram；
Fig. 6 is that the picture at a certain moment of the reverse aid in reversing process in another embodiment shows
Diagram；
The structural representation of the electric car reversing aid system for the better embodiment that Fig. 7 provides for the present invention
Figure.
Embodiment
Electric car reverse aid, system and the reversing auxiliary alignment methods provided to illustrate the invention,
It is described in detail below in conjunction with Figure of description and explanatory note.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term
" connected ", " connection " should be interpreted broadly, and can be the electric connection of two element internals；Can be
It is joined directly together, can also be indirectly connected to by intermediary, for one of ordinary skill in the art
Speech, the concrete meaning of above-mentioned term can be understood as the case may be.In addition, term " first ",
" second " is only used for describing purpose, and it is not intended that indicating or implying relative importance or implicit finger
The quantity of bright indicated technical characteristic.Thus, define " first ", the feature of " second " can be with
Express or implicitly include one or more this feature.
The electric car that present embodiment is provided can be pure wireless charging electric car, or both have wireless charging
Electricity Functional, also can be by the hybrid electric of gasoline driven.The electric car generally includes to be arranged on underbody
Under wireless charging take-up reel, its be arranged on ground wireless charging transmitting disk electromagnetic induction effect
Under, the transmission of energy coupling and energy is carried out by coil, is powered so as to realize to electric car.
As shown in figure 1, the electric car reverse aid of its better embodiment provided for the present invention
100 structural representation, the reverse aid 100 at least includes:First camera module 103, storage
Module 102, image processor 101 and display screen 104.
First camera module 103 at least includes the first camera, and first camera is arranged at underbody
Under, it is preferred that its center for being arranged at the wireless charging take-up reel or peripheral position.Described first takes the photograph
Be used to obtaining under underbody as head, the first image on ground, first image is used to find the nothing on ground
Line charging transmitting disk, first image is dynamic image, and with the change in location of electric car during reversing
Change.
The memory module 102 is used to store the pre-set image for characterizing wireless charging take-up reel, itself and the figure
As processor 101 is connected.
Described image processor 101 is used to carry out image procossing, institute to the pre-set image and the first image
Stating image procossing at least includes scale transformation processing and overlap-add procedure, first, described image processor 101
According to size of the pre-set image in the display screen, conversion the first camera of adjustment is filmed
The first image, or the size of the conversion adjustment pre-set image and the first image simultaneously makes change
Change the first image after adjustment and pre-set image is under the same space coordinate system；Secondly, at described image
The pre-set image is superimposed upon on first image by reason device.
Described image processor 101 is also carried out at translucentization processing and/or dotted line to the pre-set image
Reason.And it is additionally operable to the pre-set image being arranged at the most middle position of the display screen 104, by image
The pre-set image after processing is still image, and it at least includes broken circle, with the broken circle center pair
The cross dotted line of title.Certainly in other embodiments, the pre-set image can for translucent circle or
3 points or the image of other forms, and the pre-set image can not also be located at the central position of the display screen
Put.
The display screen 104 is connected with described image processor 101, and for showing after image procossing
The pre-set image and the first image.
As shown in Fig. 2 its be the electric car 30 move backward when automatic parking stroke schematic diagram.The electricity
Motor-car 30 also includes controller (not shown) and the EPB being connected with the controller (figure
Not shown in), also it is stored with when the wireless charging take-up reel 40 and the wireless charging in the memory module
During electricity transmitting 50 actual alignment of disk, the wireless charging take-up reel 40 launches disk 50 with the wireless charging
Between vertical range, first camera detected when described image processor 101 with ground
When the first distance between the wireless charging transmitting disk 50 is near or equal to the vertical range, institute
The controller that image processor 101 sends instructions to the electric car 30 is stated, the controller control is described
The EPB of electric car controls the electric car automatic parking.
For example, when the described first distance is 150mm, electric car is in reversing process, first described in during beginning
It is described when the wireless charging take-up reel is aligned with wireless charging transmitting disk apart from D1 ＞ 150mm
First can be closer in or equal to 150mm apart from D0, and now image processor will send instruction and realize
Last parking.
The reverse aid 100 also includes the voice cue module being connected with described image processor, its
Carried for making voice when the pre-set image is aligned with the wireless charging transmitting disk in first image
Show.The reverse aid also includes reversing switch, and first camera module also includes shutter control
Device and shutter, the reversing switch are connected with the shutter controller, its be used for reversing switch open or
Person controls unlatching and the closure of the shutter when closing.Being provided with for shutter controller and shutter is beneficial to
Prevent that the camera lens for the first camera being arranged under underbody is damaged or makes dirty.
As shown in figure 3, it is a certain moment of the reverse aid in reversing process in present embodiment
Picture display figure.The picture shows the image 20 of pre-set image 10 and first.The pre-set image 10
As shown in figure broken circle and with the centrosymmetric cross dotted line of the broken circle, in the moment wireless charging
Transmitting disk 20a is located just in first image 20.Because in reversing process, driver is to see
To the wireless charging take-up reel in underbody, therefore, by watching the default figure on display screen
As 10 just as truly seeing the wireless charging take-up reel under underbody, when seeing the wireless charging
When transmitting disk 20 is overlapped with the pre-set image 10, you can think the wireless charging take-up reel under underbody and ground
Wireless charging transmitting disk alignment on face.
Before being dispatched from the factory using the electric car of the reverse aid in the embodiment or before use, determination department
Machine sees that the pre-set image on display screen is overlapped Ji Wei under underbody with the wireless charging transmitting disk in the first image
Wireless charging take-up reel realize the method for alignment with the wireless charging transmitting disk on ground and have a variety of, preferably
, using the first camera adjusting method：Electric car is parked on wireless charging transmitting disk by driver, makes this
When wireless charging take-up reel and wireless charging transmitting disk be just aligned (non-to be judged by display screen)；Open
Display screen, now, the camera site of the first camera of adjustment make the position be first angle position, make display
The wireless charging transmitting disk of screen display is just overlapped with the pre-set image.Now, it is fixed positioned at described
First camera under first angle position, when using the electric car next time, as long as the first shooting
The position of head is still the first angle position, when the wireless charging seen from display screen launches disk just
When being overlapped with the pre-set image, you can think wireless charging take-up reel under underbody with it is wireless on ground
Charging transmitting disk realizes alignment.I.e. now the first angle position of first camera is met：Work as institute
Electric car is stated to park on the ground, and meet the wireless charging take-up reel and wireless charging transmitting disk it is just right
On time, the shooting angle position of first camera causes the wireless charging in first image to launch
Disk is overlapped or essentially coincided with the pre-set image.Described essentially coincide means the permission wireless charging
Take-up reel is directed at certain error with wireless charging transmitting disk.
In another determination method, i.e., in the case where not adjusting the first camera angle position, utilize image
Processor carries out conversion process to the first image captured by first camera and pre-set image, including
According to size of the pre-set image in the display screen, conversion the first camera of adjustment is filmed
The first image, or position of the pre-set image of conversion adjustment simultaneously on the display screen, size ratio
The relative position and/or size of example and the first image, make the first image after conversion adjustment and default
When image is aligned, you can think the wireless charging take-up reel under underbody and the wireless charging transmitting disk reality on ground
Alignment is showed.
It is described wireless due to that will characterize in the electric car reverse aid 100 that present embodiment is provided
The pre-set image of charging take-up reel is stored in memory module 102 in advance, and the first camera is arranged at into underbody
Under to obtain the first image, display screen 104 shows pre-set image and the first image, thus driver
In reversing process, you can found under underbody, the wireless charging on ground launches disk, entered by the first image
And by the aligning to car, so that the wireless charging transmitting disk in the first image is aligned with pre-set image,
I.e. the present invention can be that the wireless charging on ground can be achieved to launch by the first image in viewing display screen
Disk and the alignment of the wireless charging take-up reel on car, facility is provided for follow-up alignment charging；On the other hand,
Described image processor can control the electric car when first distance is equal with the vertical range
Automatic parking, therefore the present invention can realize intelligent parking while alignment.In addition, the present invention only passes through
Increase memory module 102 and set the first camera under underbody, whole reverse aid cost compared with
It is low, it is easy to penetration and promotion.
In the electric car servicing unit of another better embodiment, the electric car includes being arranged on underbody
Under wireless charging take-up reel, the reverse aid at least includes:First camera module, storage mould
Block, image processor and display screen；First camera module includes the first camera, and described first takes the photograph
The coordinate points of disk are arranged under underbody and launched for catching the wireless charging on ground as head, specifically, institute
The first camera is stated for infrared camera, there is multiple infrared emittings dress on the wireless charging transmitting disk
Put, the infrared ray that the infrared camera is launched according to the infrared transmitting device determines the coordinate points.
The memory module is used to store the pre-set image for characterizing the wireless charging take-up reel；Described image processor
For carrying out image procossing to the pre-set image and coordinate points, described image processing at least includes scaling and become
Change processing and overlap-add procedure；The display screen is connected with described image processor, and passes through image for display
The pre-set image and coordinate points after processing.
In this embodiment, by the alignment of the coordinate points and pre-set image, sat as long as capturing
Punctuate is respectively positioned on the pre-set image, you can think the wireless charging take-up reel under underbody and the nothing on ground
Line charging transmitting disk has been aligned.
As shown in figure 4, the stream of the reversing auxiliary alignment methods of its better embodiment provided for the present invention
Journey schematic diagram, methods described at least comprises the following steps：
Step S01：Storing step, storage characterizes the pre-set image of the wireless charging take-up reel set under underbody；
Step S02：Photograph step, obtained by the first camera for being arranged under underbody under underbody, ground
On the first image, first image be used for find on ground wireless charging transmitting disk；
Step S03：Transmitting step, by first image transmission to image processor；
Step S04：Image processing step, image procossing is carried out to the pre-set image and the first image,
Described image processing at least includes scale transformation processing and overlap-add procedure；
Described image process step also includes the pre-set image and carried out at translucentization processing and/or dotted line
Reason；Described image process step also includes the most central position that the pre-set image is arranged to the display screen
Put, first camera is located at center or the peripheral position of the wireless charging take-up reel.
Step S05：Step display, shows the pre-set image and the first image after image procossing.
In another embodiment, the step also includes automatic parking step：The wireless charging is worked as in storage
Disk is actual for the transmitting of electric take-up reel and the wireless charging when be directed at, the wireless charging take-up reel and it is described wirelessly
Vertical range between charging transmitting disk, first camera and ground detected when described image processor
When the first distance between wireless charging transmitting disk on face is near or equal to the vertical range,
Described image processor sends instructions to the controller of the electric car, and the controller controls the electric car
EPB control the electric car automatic parking.
Reversing auxiliary alignment methods in present embodiment are located at the first angle with first camera
Also include the first camera set-up procedure premised on position, therefore in methods described：Adjust first shooting
The position of head, makes to be located at the first angle position, the first angle position is met, when the electric car
It is described when parking on the ground, and meeting the wireless charging take-up reel and wireless charging transmitting disk and be just aligned
Angle position causes the wireless charging in first image to launch disk and overlapped with the pre-set image or base
This coincidence.
In the reversing auxiliary alignment methods of another embodiment, it may not be necessary to adjust first camera
Position, and only with the method for image procossing, i.e., first camera is clapped using image processor
The first image and pre-set image taken the photograph carry out conversion process, including according to the pre-set image in the display
Size in screen, the first image that conversion the first camera of adjustment is filmed, or conversion is adjusted simultaneously
Position of the whole pre-set image on the display screen, the relative position of size and the first image and
/ or size, when making the first image after conversion adjustment and pre-set image alignment, you can think under underbody
Wireless charging take-up reel realize and be aligned with the wireless charging transmitting disk on ground.
As shown in figure 5, the electric car reverse aid of its another better embodiment provided for the present invention
200 structural representation.The reverse aid 200 at least includes:First camera module 203, storage
Module 202, image processor 201 and display screen 204.
In addition, the reverse aid 200 also includes the second camera module 205, and it at least includes
Second camera, the second camera is installed on after car and for obtaining the second image after car on ground,
Described image processor is additionally operable to realize second image and is superimposed with the first image of the pre-set image
Switching, and be shown in the display screen.This mode is conducive in reversing, and driver both can see underbody
Under wireless charging take-up reel whether with ground wireless charging transmitting disk whether be aligned, can also be same with this
When guarantee to see clearly image after car, i.e., the security of backing parking has been taken into account while alignment.
In another embodiment, described image processor is additionally operable to second image with being superimposed
The first image for stating pre-set image is superimposed again, and is shown in the display screen.As shown in fig. 6, its
Figure is shown for the picture at a certain moment of the reverse aid in another embodiment in reversing process.It is described
Picture shows the image 20 of pre-set image 10 and first.Unlike scheming from the display of picture shown in Fig. 2, institute
State picture and also show the second image 30, the second image 30 shown in figure is located at a left side for the display screen 204
Upper angle, certain second image is located at the other positions of display screen.I.e. described picture is superimposed with described second
Image 30 and the first image 20 for being superimposed with the pre-set image 10.This mode is in the pool that is aligned and moves backward
While car security is taken into account, two kinds of images are positioned over same picture, make picture more directly perceived.
Present invention also offers a kind of electric car reversing aid system, it includes being arranged at the wireless charging on ground
Electricity transmitting disk, the wireless charging take-up reel under electric car and described reverse aid.
As shown in fig. 7, the electric car reversing aid system of its better embodiment provided for the present invention
Structural representation, it include being arranged on ground wireless charging transmitting the label of disk 50 and first or
First marker graphic 60, the electric car 30 includes the wireless charging take-up reel 40 being arranged under underbody, institute
State the first label or the first marker graphic 60 and the wireless charging transmitting disk 50 between have second away from
From D2, the reverse aid at least includes:First camera module, memory module, image processor with
And display screen；
First camera module includes the first camera 70, and first camera 70 is arranged at tailstock portion
And the first image for obtaining under underbody, on ground, first image is used to find first on ground
Label or the first marker graphic 60, first camera 70 and the wireless charging take-up reel 40
Between have the 3rd apart from D3, the described 3rd is equal or close in the second distance D2 apart from D3；Institute
State the pre-set image that memory module is used to store sign first label or the first marker graphic；It is described
Image processor is used to carry out the pre-set image and the first image image procossing, described image handle to
Include scale transformation processing and overlap-add procedure less；The display screen is connected with described image processor, and is used for
Show the pre-set image and the first image after image procossing.When driver sees institute from display screen
Show that the first label in the first image or the first marker graphic 60 are overlapped or base with the pre-set image
During this coincidence, you can think the wireless charging transmitting disk 50 with the wireless charging take-up reel 40 to realize
Alignment.
In the electric car reversing aid system of another embodiment, the reversing aid system also includes
Second label or the second marker graphic；First camera module also includes the 3rd camera, described the
Three cameras are located at the position of the headstock, have between the 3rd camera and the wireless charging take-up reel
There is the 4th distance, have the with wireless charging transmitting disk between the label or the second marker graphic
Five distances, the 4th distance is equal or close in the 5th distance；First image is additionally operable to seek
The second label or the second marker graphic looked on ground, it is described that the memory module is additionally operable to storage sign
The pre-set image of second label or the second marker graphic；Described image processor is used for the default figure
Picture and the first image carry out image procossing, and described image processing is at least included at scale transformation processing and superposition
Reason；The display screen is connected with described image processor, and described pre- after image procossing for showing
If image and the first image.
Electric car reverse aid, system and the reversing auxiliary alignment methods provided above for the present invention
Better embodiment, can not be interpreted as the limitation to rights protection scope of the present invention, the technology of this area
Personnel should know, without departing from the inventive concept of the premise, can also do a variety of improvement or replacement, institute
The grade having is improved or replaced all should be in the scope of the present invention, i.e., right of the invention is protected
Shield scope should be defined by claim.
Claims (14)
1. a kind of electric car reverse aid, the electric car includes the wireless charging being arranged under underbody
Take-up reel, the reverse aid at least includes:First camera module, memory module, image processor
And display screen；
First camera module includes the first camera, and first camera is arranged under underbody and is used for
Obtain underbody under, the first image on ground, first image be used for find on ground wireless charging hair
Penetrate disk；The memory module is used to store the pre-set image for characterizing the wireless charging take-up reel；Described image
Processor is used to carry out the pre-set image and the first image image procossing, and described image processing is at least wrapped
Include scale transformation processing and overlap-add procedure；The display screen is connected with described image processor, and for showing
The pre-set image and the first image after image procossing.
2. reverse aid as claimed in claim 1, it is characterised in that：The electric car also includes
Also it is stored with controller and the EPB being connected with the controller, the memory module when described
Disk is actual for the transmitting of wireless charging take-up reel and the wireless charging when being aligned, the wireless charging take-up reel and institute
The vertical range between wireless charging transmitting disk is stated, first shooting detected when described image processor
The first distance between head and the wireless charging transmitting disk on ground is near or equal to described vertical
Apart from when, described image processor is used to send instructions to the controller of the electric car, the controller control
The EPB for making the electric car controls the electric car automatic parking.
3. reverse aid as claimed in claim 1, it is characterised in that：Described image processing is also wrapped
Include and translucentization processing and/or dotted line processing are carried out to the pre-set image, described image processor is additionally operable to
The pre-set image is arranged to the most middle position of the display screen, first camera is located at the nothing
The center of line charging take-up reel or peripheral position, the pre-set image after image procossing is static map
Picture, it at least includes broken circle, with the centrosymmetric cross dotted line of the broken circle.
4. reverse aid as claimed in claim 1, it is characterised in that：The first camera tool
There is a first angle position, the first angle position is met, when the electric car is parked on the ground, and meet
When the wireless charging take-up reel is just aligned with wireless charging transmitting disk, the shooting angle of first camera
Degree causes the wireless charging transmitting disk in first image to overlap or essentially coincide with the pre-set image.
5. reverse aid as claimed in claim 1, it is characterised in that：The reverse aid
Also include reversing switch, first camera module also includes shutter controller and shutter, the reversing
Switch is connected with the shutter controller, and it is used to control the shutter when reversing switch is opened or is closed
Unlatching and closure.
6. reverse aid as claimed in claim 1, it is characterised in that：The reverse aid
Also include the second camera module, its at least include second camera, the second camera be installed on after car and
For obtaining the second image after car on ground, described image processor be additionally operable to realize second image and
It is superimposed with the switching of the first image of the pre-set image or second image is described default with being superimposed with
First image of image is superimposed again, and is shown in the display screen.
7. a kind of electric car reverse aid, the electric car includes the wireless charging being arranged under underbody
Take-up reel, the reverse aid at least includes:First camera module, memory module, image processor
And display screen；
First camera module includes the first camera, and first camera is arranged under underbody and is used for
Catch the coordinate points that the wireless charging on ground launches disk；It is described wireless that the memory module is used for storage sign
The pre-set image of charging take-up reel；Described image processor is used to carry out the pre-set image and coordinate points
Image procossing, described image processing at least includes scale transformation processing and overlap-add procedure；The display screen and institute
Image processor connection is stated, and for showing the pre-set image after image procossing and coordinate points.
8. reverse aid as claimed in claim 7, it is characterised in that：First camera is
There are multiple infrared transmitting devices, the infrared photography on infrared camera, the wireless charging transmitting disk
The infrared ray that head is launched according to the infrared transmitting device determines the coordinate points.
9. a kind of electric car reversing aid system, it include being arranged at wireless charging transmitting disk on ground,
Wireless charging take-up reel under electric car and the reversing as described in claim any one of 1-8 are auxiliary
Help device.
10. a kind of electric car reversing aid system, it include being arranged at wireless charging transmitting disk on ground with
And first label or the first marker graphic, the wireless charging that the electric car includes being arranged under underbody connects
Closing quotation, has second between first label or the first marker graphic and wireless charging transmitting disk
Distance, the reverse aid at least includes:First camera module, memory module, image processor with
And display screen；
First camera module includes the first camera, and first camera is arranged at tailstock portion and is used for
Obtain under underbody, the first image on ground, first image is used to find the first label on ground
Or first marker graphic, have between first camera and the wireless charging take-up reel the 3rd away from
From the 3rd distance is equal or close in the second distance；The memory module, which is used to store, to be characterized
The pre-set image of first label or the first marker graphic；Described image processor is used for described pre-
If image and the first image carry out image procossing, described image processing at least includes scale transformation and handled and folded
Plus processing；The display screen is connected with described image processor, and for showing the institute after image procossing
State pre-set image and the first image.
11. electric car reversing aid system as claimed in claim 10, it is characterised in that the reversing
Accessory system also includes the second label or the second marker graphic；First camera module also includes the 3rd
Camera, the 3rd camera is located at the position of the headstock, the 3rd camera and the wireless charging
There is the 4th distance, with the wireless charging between the label or the second marker graphic between electric take-up reel
Electricity transmitting disk has the 5th distance, and the 4th distance is equal or close in the 5th distance；Described
One image is additionally operable to find the second label or the second marker graphic on ground, and the memory module is also used
The pre-set image of second label or the second marker graphic is characterized in storage；Described image processor is used
In carrying out image procossing to the pre-set image and the first image, described image processing at least includes scaling and become
Change processing and overlap-add procedure；The display screen is connected with described image processor, and passes through image for display
The pre-set image and the first image after processing.
12. one kind reversing auxiliary alignment methods, it at least comprises the following steps：
Storing step：Storage characterizes the pre-set image of the wireless charging take-up reel set under underbody；
Photography step：Obtained by the first camera for being arranged under underbody under underbody, the first shadow on ground
Picture, the wireless charging transmitting disk that first image is used to find on ground；
Transmitting step：By first image transmission to image processor；
Image processing step：The pre-set image and the first image are carried out at image procossing, described image
Reason at least includes scale transformation processing and overlap-add procedure；
Step display：Show the pre-set image and the first image after image procossing.
13. reversing auxiliary alignment methods as claimed in claim 12, it is characterised in that：The step is also
Including automatic parking step：Storage is actually right when the wireless charging take-up reel and wireless charging transmitting disk
On time, the vertical range between the wireless charging take-up reel and wireless charging transmitting disk, when the figure
The between wireless charging transmitting disk on first camera and ground detected as processor
When one distance is near or equal to the vertical range, described image processor sends instructions to described electronic
The controller of car, the controller controls the EPB of the electric car to control the electric car to stay automatically
Car.
14. reversing auxiliary alignment methods as claimed in claim 12, it is characterised in that：At described image
Managing step also includes pre-set image progress translucentization processing and/or dotted line processing；Described image processing
Step also includes the most middle position that the pre-set image is arranged to the display screen, first camera
Positioned at the center of the wireless charging take-up reel or peripheral position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071199.6A CN107021012A (en) | 2016-01-30 | 2016-01-30 | Electric car reverse aid, system and reversing auxiliary alignment methods |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610071199.6A CN107021012A (en) | 2016-01-30 | 2016-01-30 | Electric car reverse aid, system and reversing auxiliary alignment methods |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107021012A true CN107021012A (en) | 2017-08-08 |
Family
ID=59525159
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610071199.6A Pending CN107021012A (en) | 2016-01-30 | 2016-01-30 | Electric car reverse aid, system and reversing auxiliary alignment methods |
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| Country | Link |
|---|---|
| CN (1) | CN107021012A (en) |
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