CN208714977U - A kind of electric car wireless charging positioning device - Google Patents
A kind of electric car wireless charging positioning device Download PDFInfo
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- CN208714977U CN208714977U CN201821204618.XU CN201821204618U CN208714977U CN 208714977 U CN208714977 U CN 208714977U CN 201821204618 U CN201821204618 U CN 201821204618U CN 208714977 U CN208714977 U CN 208714977U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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Abstract
The utility model belongs to electric car wireless charging technical field more particularly to a kind of electric car wireless charging positioning device.Described device includes: the wireless charging emitter being installed on parking stall, and the wireless charging receiver being installed on automobile chassis is installed on and drives indoor control device and display device；Position sensor is installed, the position sensor is used to position the center of wireless charging emitter in the wireless charging emitter；Illuminator is installed, the illuminator is used to position the center of wireless charging receiver in the wireless charging receiver；The illuminator is powered to the position sensor projected spot.High-precision optical detection technique is applied in the positioning of electric car wireless charging by the utility model, expensive camera is replaced using position sensor and illuminator, reduce cost, avoid location error caused by short focus camera aberration, it is versatile, avoid limitation of the machinery positioning to vehicle outer dimension.
Description
Technical field
The utility model belongs to electric car wireless charging technical field more particularly to a kind of electric car wireless charging is fixed
Position device.
Background technique
For the call of active response national energy conservation and emission reduction, electric car is dashed forward by energy conservation, zero-emission, cost of use are low etc.
Advantage has become the main direction of development of domestic new-energy automobile industry out.But the supply of existing electric automobile energy mainly according to
It charges by electric wire connection charging pile, charging pile is bulky to be not suitable for a large amount of layouts at city commercial center, and charges
Water proof and dust proof is serious problem in air for interface exposure.And electric car wireless charging technology is able to solve problem above,
The technology is total by installing the inbuilt electric energy transmitting device generation magnetic of electric energy reception device and ground in electric car bottom
Vibration carries out energy supply, but since there is wireless charging stringent directionality to limit, electric energy reception device center and electric energy are sent out
Three-dimensional space deviation needs to be maintained within the scope of centimetres between injection device center, and otherwise charge efficiency will substantially reduce, institute
It is to guarantee the key technology of wireless charging efficiency with the positioning of accurate electric car wireless charging.
The prior art is often placed on hull bottom emission coil using multiple cameras, night or the bad feelings of light
Need to increase infrared night viewing function under condition, but Wireless charging coil fever can interfere shooting at night, and camera is in bottom
In the presence of easily touching, easily dirty risk is limited within the scope of 20~30cm additionally, due to the gap of wireless charging air, picture catching scape
Deep limited, camera must select macro head, with high costs and there are pattern distortions, and software compensation is needed just to be able to satisfy calmly
Position precision, increases the difficulty of later period signal processing.In the prior art there is also by the way of machinery positioning, work as electric car
Positioning completion is stuck by rear-wheel mechanical structure, but positioning accuracy is low and requires height to the stopping technical of driver, and experience sense is not
Good, which can not realize the charging of divers dimensions electric car, and wireless charging stake is caused to there is the limitation used.
Utility model content
The purpose of this utility model is to provide a kind of versatile, cost for the above-mentioned problems in the prior art
The electric car wireless charging positioning device low, positioning accuracy is high.
Technological means used by the utility model is: a kind of electric car wireless charging positioning device, comprising: be installed on
Wireless charging emitter on parking stall, the wireless charging receiver being installed on automobile chassis are installed in driver's cabin
Control device and display device；Position sensor is installed, the position sensor is used in the wireless charging emitter
In the center for positioning the wireless charging emitter；Illuminator is installed in the wireless charging receiver, it is described to shine
Body is used to position the center of the wireless charging receiver；The illuminator is powered to the position sensor projected spot；
The control device is electrically connected with the wireless charging emitter, wireless charging receiver and display device；The display
Device is used to show the centre deviation of the wireless charging emitter and the wireless charging receiver.
Embodiment according to the present utility model, the utility model to one of the main contributions of the prior art, illuminator
Photoelectric current caused by incident light flows through control device processing, and processing signal is transferred in display device, is emitted according to wireless charging
The position deviation of device and wireless charging receiver is adjusted, and is realized and is accurately positioned.It is completed using optical touchless means
Electric car positioning, has evaded restriction of the machinery positioning mode to vehicle outer dimension.
In optional technical solution, detection device is installed, the detection device is for detecting whether on the parking stall
There is vehicle to enter charged area.
In optional technical solution, the detection device is pressure sensor, is symmetrically arranged on four of the parking stall
Corner.
Embodiment according to the present utility model, the pressure sensor may be six or eight, in the parking
Position side is evenly arranged.
In optional technical solution, the position sensor is PSD position sensor, it is therefore preferable to which Two-dimensional PSD position passes
Sensor；The Two-dimensional PSD position sensor is installed on the center of the wireless charging emitter.
Embodiment according to the present utility model, main contributions one of of the utility model to the prior art, position sensing
Device uses Two-dimensional PSD position sensor, and the Two-dimensional PSD position sensor is the PIN photoelectricity with uniform impedance surface composition
Diode, position resolution is high, kinetic current is simple, quickly, improves positioning accuracy to um magnitude.
In optional technical solution, the illuminator is light emitting diode or laser emitter, the incidence of the illuminator
Photoelectric current caused by light flows through the control device；The illuminator is installed on the centre bit of the wireless charging receiver
It sets.
In optional technical solution, the wireless charging emitter is wireless charging transmitting coil；The wireless charging
Reception device is wireless charging receiving coil.
Embodiment according to the present utility model, the wireless charging transmitting coil, wireless charging receiving coil are circle
The rule shaped coil such as coil, square coil guarantees that accurate realize is felt relieved.
Embodiment according to the present utility model, wireless charging emitter and wireless charging receiver may be one
To radio frequency transmission device.Transmitting coil in the prior art is used in the utility model, can be not required to research and develop, be reduced with outsourcing
Cost.
Embodiment according to the present utility model, the utility model receive dress to wireless charging emitter and wireless charging
It sets and is not construed as limiting in the position on parking stall and electric car bottom of car, matched design method is in the protection of the utility model
Within the scope of, as wireless charging emitter and wireless charging receiver separately design on parking stall and electric car automobile bottom
Middle part, front, rear portion and other matching positions in portion.Wireless charging emitter and wireless charging receive dress in the utility model
The middle part on parking stall and electric car bottom of car is set, it is versatile.
In optional technical solution, there is photoelectric signal processing circuit in the control device, processing analysis incident light draws
The photoelectric current risen.
In optional technical solution, the photoelectric signal processing circuit is connect with the display device using wireless telecommunications.
Embodiment according to the present utility model, the wireless telecommunications are connected as ZigBee, LORA, bluetooth, WiFi connection
Deng.
In optional technical solution, the display device is LCD or LED high-definition liquid crystal display screen.
Embodiment according to the present utility model, the display device are installed in the electric car cab, convenient
Driver judges the electric car current location and the charging station wireless transmission according to the image characterization on the display screen
The deviation at device center, and accurately adjusted.
Compared with prior art, the beneficial effect that the utility model generates is:
(1) the utility model positions high-precision optical detection technique applied to electric car wireless charging, with luminous two
Pole pipe/laser and Two-dimensional PSD position sensor replace expensive camera, reduce about 30% manufacturing cost.
(2) the Two-dimensional PSD position sensor precision in the utility model is up to um magnitude, camera in the prior art and
The precision of machinery positioning scheme is only 1~2cm；The utility model also avoids short focus camera in the prior art simultaneously and brings
Aberration caused by software compensation is difficult or location error.
(3) light emitting diode/laser in the utility model and PSD sensor weatherability are strong, are not easily susceptible to external mechanical
It impacts and damages.
(4) the wireless charging positioning device of the utility model can be used for appointing it is not necessary that parking stall is significantly transformed
What car model, versatility avoid limitation of the machinery positioning to vehicle outer dimension.
Detailed description of the invention
Fig. 1 is the charging pile coil and detector schematic layout pattern in electric car wireless charging positioning device.
Fig. 2 is the automobile chassis schematic layout pattern in electric car wireless charging positioning device.
Fig. 3 is Two-dimensional PSD position sensor internal structure and equivalent circuit in electric car wireless charging positioning device
Schematic diagram.
Fig. 4 is the input and output electric current physics of the Two-dimensional PSD position sensor in electric car wireless charging positioning device
Relation schematic diagram.
Wherein: 1, pressure sensor, 2, PSD position sensor, 3, wireless charging transmitting coil, 4, parking stall, 5, shine
Diode, 6, wireless charging receiving coil, 7, automobile chassis.
Specific embodiment
Clear, complete description is carried out to the technical solution of the utility model with reference to the accompanying drawing, it is clear that described reality
Applying example is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ability
It is practical new to belong to this for the every other embodiment that domain those of ordinary skill is obtained without making creative work
The protection scope of type.
A kind of electric car wireless charging positioning device provided in this embodiment include: be installed on it is wireless on parking stall 4
Charge emitter, the wireless charging receiver being installed on automobile chassis 7, is installed on and drives indoor control device and show
Showing device.
Electric car in the present embodiment is applicable not only to pure electric automobile, apply also for the hybrid power that need to be charged and its
His new energy power vehicle.
In the present embodiment, as shown in Fig. 1, wireless charging transmitting coil 3, wireless charging transmitting are installed on parking stall 4
3 center of coil is equipped with PSD position sensor 2, and PSD position sensor 2 is for positioning in wireless charging transmitting coil 3
The heart.
PSD position sensor 2 in the present embodiment is Two-dimensional PSD position sensor, the Two-dimensional PSD position sensor
(Position Sensitive detector) is position sensitive detectors, has uniform impedance surface composition by two
PIN photodiode, it has compared with discrete element detector, and position resolution is high, kinetic current is simple, quickly (with luminous point
Position is related) the advantages that.In addition, the position signal data of the PSD are unrelated with the shape of luminous point on the detector, equivalent circuit is such as
Shown in Fig. 3.
In the present embodiment, four corners are symmetrically installed with 4 pressure sensors 1 on parking stall 4, detect from each orientation angles
The entrance of electric car is to start photoelectric signal processing circuit.
In alternative embodiment, pressure sensor 1 may be 6 or 8, be evenly arranged in 4 side of parking stall.
In the present embodiment, as shown in Fig. 2, wireless charging receiving coil 6 is installed, wireless charging connects on automobile chassis 7
6 center position of take-up circle installs illuminator.
In the present embodiment, illuminator is diode 5, and light emitting diode 5 is for positioning in wireless charging receiving coil 6
The heart.
In alternative embodiment, illuminator can be other illuminators for causing photoelectric current, such as laser emitter, laser hair
Emitter is used to position the center of wireless charging receiving coil 6.
In the embodiment, the red of valuableness is replaced using light emitting diode/laser emitter and Two-dimensional PSD position sensor
Outer camera reduces about 30% manufacturing cost, and 5/ laser emitter of light emitting diode and PSD sensor weatherability are strong,
It is not easily susceptible to external mechanical impact and damages；It also avoids caused by short focus camera bring aberration in the prior art simultaneously
Software compensation difficulty or location error.
In the present embodiment, wireless charging transmitting coil 3, wireless charging receiving coil 6 are circular coil.
In alternative embodiment, wireless charging transmitting coil 3, wireless charging receiving coil 6 can for square coil or other
Regular shape coil guarantees that accurate realize is felt relieved.
In the present embodiment, there is photoelectric signal processing circuit in control device, photoelectric current caused by incident light is analyzed in processing,
The automatic positioning of auxiliary electric automobile.
In the present embodiment, photoelectric signal processing circuit is connect with display screen using wireless communication mode.Specifically, can be
The connection such as ZigBee, LORA, bluetooth, WiFi.
Photoelectric signal processing circuit and pressure sensor 1, PSD position sensor 2 in the utility model, in control device
Electrical connection, the specific connection relationship of above-mentioned component is not construed as limiting, those skilled in the art's flexible choice according to the actual situation, ability
Domain routine connection means are within the present embodiment protection scope.
In the present embodiment, display screen is liquid crystal display.Specifically, can be the common liquid crystal displays such as LCD, LED.
The display screen is also not limited to above-mentioned be installed on and drives indoor display screen.It is described in alternative embodiment
Display screen may be third party's display screen, such as the display screen on mobile phone, IPAD, observe convenient for driver.
The course of work of electric car wireless charging positioning device in the present embodiment are as follows: firstly, pressure sensor 1 detects
Whether there is vehicle to enter charged area, if thering is vehicle to enter charged area starting photoelectric signal processing circuit, when electric car is opened
Driver starts auxiliary positioning switch when to wireless charging power station parking stall 4；Then after 5/ laser emitter of light emitting diode is powered
For dot projection on the PSD position sensor 2 of wireless charging transmitting coil 3, photoelectric current caused by incident light flows through photosignal
Processing circuit, as two input currents and two output electric currents, the distribution for exporting electric current shows the hot spot of a dimension (x)
The distribution of position and input current shows the position of the hot spot of another dimension (y), and detailed physical relationship is as shown in Fig. 4；Light
The signal is symbolized electric car by vivid in wireless communication transmission to the display screen of driver's cabin by electric signal processing circuit
The deviation of current location and 3 center of wireless charging transmitting coil, driver can refer to the information and accurately adjusted, or
It directly loads data into automatic parking program, by wireless charging receiving coil 6 and the adjustment pair of wireless charging transmitting coil 3
Position, electric car can be positioned accurately.In position fixing process, Two-dimensional PSD position sensor positioning accuracy is (existing up to um magnitude
The precision for having camera and the machinery positioning scheme in technology is only 1~2cm), and the influence by wireless charging to offset is every
Cm reduces by 1.2%, and electric car charge efficiency is promoted to highest in conjunction with automatic parking function.
In addition, the wireless charging positioning device in the present embodiment can be used for appointing it is not necessary that parking stall is significantly transformed
What car model, it is versatile, avoid limitation of the machinery positioning to vehicle outer dimension.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of electric car wireless charging positioning device, comprising: the wireless charging emitter being installed on parking stall (4),
The wireless charging receiver being installed on automobile chassis (7) is installed on and drives indoor control device and display device；
Position sensor is installed, the position sensor is for positioning the wireless charging in the wireless charging emitter
The center of emitter；
Illuminator is installed, the illuminator is for positioning the wireless charging receiver in the wireless charging receiver
Center；
The illuminator is powered to the position sensor projected spot；
The control device is electrically connected with the wireless charging emitter, wireless charging receiver and display device；
The display device is used to show the centre deviation of the wireless charging emitter and the wireless charging receiver.
2. electric car wireless charging positioning device according to claim 1, it is characterised in that: on the parking stall (4)
Detection device is installed, the detection device is for having detected whether that vehicle enters charged area.
3. electric car wireless charging positioning device according to claim 2, it is characterised in that: the detection device is pressure
Force snesor (1) is symmetrically arranged on four corners on the parking stall (4).
4. electric car wireless charging positioning device according to claim 1, it is characterised in that: the position sensor is
PSD position sensor (2) is installed on the center of the wireless charging emitter.
5. electric car wireless charging positioning device according to claim 1, it is characterised in that: the illuminator is luminous
Diode (5) or laser emitter, are installed on the center of the wireless charging receiver.
6. electric car wireless charging positioning device according to claim 1, it is characterised in that: the wireless charging transmitting
Device is wireless charging transmitting coil (3)；The wireless charging receiver is wireless charging receiving coil (6).
7. electric car wireless charging positioning device according to claim 1, it is characterised in that: have in the control device
There is photoelectric signal processing circuit.
8. electric car wireless charging positioning device according to claim 7, it is characterised in that: the Photoelectric Signal Processing
Circuit is connect with the display device using wireless telecommunications.
9. electric car wireless charging positioning device according to claim 1, it is characterised in that: the display device is
LCD or LED high-definition liquid crystal display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821204618.XU CN208714977U (en) | 2018-07-27 | 2018-07-27 | A kind of electric car wireless charging positioning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821204618.XU CN208714977U (en) | 2018-07-27 | 2018-07-27 | A kind of electric car wireless charging positioning device |
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| Publication Number | Publication Date |
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| CN208714977U true CN208714977U (en) | 2019-04-09 |
Family
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| CN201821204618.XU Active CN208714977U (en) | 2018-07-27 | 2018-07-27 | A kind of electric car wireless charging positioning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973737A (en) * | 2018-07-27 | 2018-12-11 | 汉能移动能源控股集团有限公司 | Electric vehicle wireless charging positioning device and positioning method thereof |
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2018
- 2018-07-27 CN CN201821204618.XU patent/CN208714977U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973737A (en) * | 2018-07-27 | 2018-12-11 | 汉能移动能源控股集团有限公司 | Electric vehicle wireless charging positioning device and positioning method thereof |
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Effective date of registration: 20210728 Address after: 518066 Room 201, building a, No. 1, Qianwan 1st Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (check in with Shenzhen Qianhai business secretary Co., Ltd.) Patentee after: Hongyi Technology Co.,Ltd. Address before: Room 107, building 2, comprehensive office area, Olympic Village street, Chaoyang District, Beijing Patentee before: HANERGY MOBILE ENERGY HOLDING GROUP Co.,Ltd. |
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