CN209634301U - The radical occlusion device of electric car radio charging equipment - Google Patents
The radical occlusion device of electric car radio charging equipment Download PDFInfo
- Publication number
- CN209634301U CN209634301U CN201920359622.1U CN201920359622U CN209634301U CN 209634301 U CN209634301 U CN 209634301U CN 201920359622 U CN201920359622 U CN 201920359622U CN 209634301 U CN209634301 U CN 209634301U
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- Prior art keywords
- disk
- transmitting
- electric car
- sensor
- cover board
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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
-
- 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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a kind of devices and its occlusion method that wireless charging is carried out for electric car, can be automatically aligned to the charging receiving coil of electric car.The transmitting station that the radical occlusion device of electric car radio charging equipment has is provided with plug on transmitting station, and plug can connect AC power source；It is provided with controller in transmitting station, the upper surface of transmitting station is provided with transmitting disk, controller is attached with transmitting disk with AC power source respectively；It is provided with guard mechanism on transmitting disk, for carrying out blocking protection to transmitting disk when not charging；In charging, guard mechanism is acted, and exposes transmitting disk, is internally provided with transmitting coil in transmitting disk；And it is directed at the receiving coil of electric car bottom, to charge.Walking mechanism and sensor are provided with below transmitting disk；Sensor is any one or more in infrared sensor, camera, magnetic induction sensor, gyroscope or GPS.
Description
Technical field
The utility model relates to a kind of devices that wireless charging is carried out for electric car, can be automatically aligned to electronic
The charging receiving coil of automobile.
Background technique
Existing electric car wireless charging mainly carries out electromagnetic induction using the coil that a pair of former secondary side is kept completely separate and fills
Electricity, coil alignment method are generally divided to two classes: one is transmitting disks to fix, and the receiving coil on mobile electric automobile is aligned,
For example, by using automated parking system；Another kind is that the receiving coil on electric car is motionless, and mobile transmitting disk is aligned, such as
On ground, fixed setting Three Degree Of Freedom mobile work platform completes the precise alignment of charge coil.But currently used wireless charging skill
In art scheme, emit the surface unprotect device of disk, there is falling foreign matter, if wireless charging transmitting terminal and
There are foreign matters between receiving end, not only will affect charging and are normally carried out, it is also possible to cause safety accident；But it there is no at present dedicated
Protection equipment come prevent transmitting panel surface fall foreign matter, it is therefore necessary to guarantee electric car transmitting when carrying out wireless charging
Foreign between disk and receiving coil.
Utility model content
The utility model is in view of this, provide a kind of radical occlusion device of new electric car radio charging equipment, energy
It enough effectively prevent foreign matter to fall on transmitting disk, there is good value for applications.
The transmitting station that the radical occlusion device of electric car radio charging equipment has is provided with plug, plug on transmitting station
AC power source can be connected；It is provided with controller in transmitting station, the upper surface of transmitting station is provided with transmitting disk, controller difference
It is attached with transmitting disk with AC power source；Transmitting disk on be provided with guard mechanism, for when not charging to transmitting disk into
Row blocks protection；In charging, guard mechanism is acted, and exposes transmitting disk, is internally provided with transmitting coil in transmitting disk；And it is right
The receiving coil of quasi- electric car bottom, to charge.
Walking mechanism and sensor are provided with below transmitting disk；Sensor is infrared sensor, camera, magnetic induction
Any one or more in sensor, gyroscope or GPS；
When sensor is infrared sensor, camera or magnetic induction sensor, it is provided on road surface and sensor phase
The identification path of cooperation；Sensor is by the information conveyance of detection to controller, and then controller driving walking mechanism is along identification
Path walking, walking mechanism can drive transmitting station, and will emit the receiving coil on disk alignment electric car.
The identification path is with the color path for being different from terrain surface specifications, preferably black path band；Or it is
One of magnetic recording tape, metal wire.
When sensor is camera, emit sensor below the disk identification path on ground for identification, sensor
The reflectivity size of different colours can be incuded, so that transmitting disk be made to be automatically moved to electric car bottom along the path planned
Receiving coil at.The range sensor arranged is being detected there are after electric car on parking field ground, at signal
Transmitting disk is sent instructions to after reason.
When sensor is magnetic induction sensor, metal wire is buried on transmitting station driving path or is pasted on road surface magnetic
Band is realized by magnetic strength induction signal and is guided.
Outer rim in transmitting disk upper surface is provided with laser positioning sensor, and laser positioning sensor is that commercially available laser is swept
Retouch Global localization sensor.Known induction mark is fixed on receiving coil on electric car, the laser scanning overall situation is fixed
Level sensor passes through the azimuth that indicates on receiving coil disk of laser scanning methods detection arrangement, according to these azimuths and
The geographical position coordinates of respective flag calculate position and direction of the transmitting disk under reference frame, and control walking mechanism
It is moved at the charge position coordinate that program is set, realizes the precise positioning of transmitting disk and receiving coil.
It is additionally provided with the shield that can be gone up and down in the outer rim of transmitting disk, shield is for preventing foreign matter from entering transmitting disk
It is interior, and electromagnetic signal is prevented to be radiated in ambient enviroment.
Before preparing charging after shield rise, it is mixed into foreign matter during shield rises in order to prevent, in transmitting disk
Internal there are also infrared detectors, using the fuel factor of infra-red radiation, detect whether there are foreign matter, if it exists foreign matter, then shield
Decline, transmitting disk stop working.
Driving motor is provided with below shield, driving motor drives shield to be risen by screw rod or gear
Drop, driving motor is the servo motor being connected with controller.
The guard mechanism has the cover board one of multi-disc equidimension, circle is spliced between cover board one, in cover board one
Bottom end is movably connected on transmitting disk by shaft, and the shaft that each cover board one is corresponded on transmitting disk is provided with motor, motor
It is connected by power with shaft, under the drive of the motor, cover board one can rotate, to complete the folding of guard mechanism.
One quantity of cover board is 2-6, and preferably 3-6, be further preferably 4.
The motor being arranged on guard mechanism is servo motor.
The guard mechanism has the cover board two of revolving dial and multi-disc equidimension, is provided on revolving dial multiple
Equidistant rotation corresponding with cover board 211 is raised, is movably connected in the outer of transmitting disk upper surface by shaft between cover board two
Edge is provided with bar shaped or arc-shaped rotating gravure on cover board two, and rotating gravure is matched with rotation protrusion, revolving dial position
Between cover board two and transmitting disk, it is provided with driving motor on transmitting disk, revolving dial side is provided with and driving motor phase
The gear of cooperation, under the driving of driving motor, revolving dial can be rotated, so by rotate protrusion stir rotating gravure to
Outer or inwardly movement, and then multi-disc cover board two is driven to realize folding simultaneously.
The rotating gravure is extended outwardly by the root of cover board two.
The driving motor is servo motor.
The controller is single-chip microcontroller, programmable controller or industrial computer.
The walking mechanism has mutually symmetrical revolver and right wheel, and being additionally provided in front of revolver and right wheel can
The universal wheel of direction of rotation is additionally provided with movable motor on universal wheel, and movable motor is connected with controller, movable motor energy
Enough driving transmitting disks walk and change walking path as needed.
The transmitting station is round or polygon.
In charging, shield is risen, and magnetic field coupling charged area is made to be isolated from the outside.
Working principle
Electric car to be charged is parked in scheduled charging place, and the radical occlusion device of electric car radio charging equipment exists
It under the driving of running gear, is run under the chassis of electric car along the identification path planned, guard mechanism movement is exposed
Emit disk, is directed at receiving coil；And rise shield, prevent foreign matter from entering to emit between disk and receiving coil, in the registered
Charge；After charging complete, according to can smoothly remove charging on the contrary.
The utility model structure is simple, is skillfully constructed, is easy to use, has the advantages that
The utility model uses the transmitting station that (can move to charged area automatically) is moved along path, and passes through laser positioning
Sensor control transmitting disk position, aligns it precisely with receiving coil, this charging modes coil position aligning time is short, precision
Height without adjusting the parking position of electric car, nor is needed to build electrically-charging equipment and auxiliary rack in place, be saved
Construction cost；
Moveable transmitting disk is applicable to any one electric car for being in wireless charging place, realizes wireless charging
District-share, it is more convenient to charge, and district-share is at low cost；
Emitting disk upper surface is the cover board for being separable into multiple fan blades, can guarantee transmitting disk before aligning successfully without foreign matter
Into not needing to add additional foreign matter cleaning plant, saved infrastructure cost, security protection effect is more preferable.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the radical occlusion device of the utility model electric car radio charging equipment when being not used
(embodiment 1).
Fig. 2 is the structural schematic diagram of the radical occlusion device of the utility model electric car radio charging equipment when in use
(embodiment 1).
Fig. 3 is structural schematic diagram of the radical occlusion device of the utility model electric car radio charging equipment when being not used
(embodiment 2).
Fig. 4 is the structural schematic diagram of the radical occlusion device of the utility model electric car radio charging equipment when in use
(embodiment 2).
Fig. 5 is the decomposing state knot of embodiment 2 in the radical occlusion device of the utility model electric car radio charging equipment
Structure schematic diagram.
Fig. 6 is 1 cover plate of embodiment in the radical occlusion device of the utility model electric car radio charging equipment by being closed
Switch to status diagram when opening.
Fig. 7 is the structural representation of walking mechanism in the radical occlusion device of the utility model electric car radio charging equipment
Figure.
Fig. 8 is that the radical occlusion device of the utility model electric car radio charging equipment is that electric car carries out wireless charging
When status diagram.
Specific embodiment
Referring to attached drawing 1-8, the radical occlusion device of electric car radio charging equipment has transmitting station 1, is arranged on transmitting station 1
There is plug, plug can connect AC power source；It is provided with controller in transmitting station 1, the upper surface of transmitting station 1 is provided with transmitting
Disk 2, controller are attached with transmitting disk 2 with AC power source respectively；It is provided with guard mechanism on transmitting disk 2, for not
Transmitting disk 2 is carried out blocking protection when charging；In charging, guard mechanism is acted, and exposes transmitting disk 2, in the inside of transmitting disk 2
It is provided with transmitting coil；And it is directed at the receiving coil of 3 bottom of electric car, to charge.
Referring to attached drawing 7, the lower section of transmitting disk 1 is provided with walking mechanism and sensor 5；Sensor 5 be infrared sensor,
Any one or more in camera, magnetic induction sensor, gyroscope or GPS；
When sensor 5 is infrared sensor, camera or magnetic induction sensor, it is provided on road surface and sensor 5
The identification path matched；Sensor 5 is by the information conveyance of detection to controller, and then controller driving walking mechanism is along knowledge
Other path walking, walking mechanism can drive transmitting station 1, and will emit the receiving coil on disk alignment electric car 3.
The identification path is with the color path for being different from terrain surface specifications, preferably black path band；Or it is
One of magnetic recording tape, metal wire.
When sensor 5 is camera, emit sensor below the disk identification path on ground for identification, sensor
5 can incude the reflectivity size of different colours, so that transmitting station 1 be made to be automatically moved to electric car bottom along the path planned
At the receiving coil in portion.The range sensor arranged is being detected there are after electric car on parking field ground, by signal
Transmitting disk is sent instructions to after processing.
When sensor 5 is magnetic induction sensor, metal wire is buried on 1 driving path of transmitting station or pastes magnetic on road surface
Property band, pass through magnetic strength induction signal realize guiding.
Outer rim in transmitting 2 upper surface of disk is provided with laser positioning sensor 6, and laser positioning sensor 6 is commercially available sharp
Optical scanning Global localization sensor.Known induction mark, laser scanning are fixed on the receiving coil 4 on electric car 3
Global localization sensor passes through the azimuth that laser scanning methods detection arrangement indicates on receiving coil disk 4, according to these
The geographical position coordinates of azimuth and respective flag calculate position and direction of the transmitting disk 2 under reference frame, and control
Walking mechanism is moved at the charge position coordinate that program is set, and realizes the precise positioning of transmitting disk 2 and receiving coil 4.
It is additionally provided with the shield 14 that can be gone up and down in the outer rim of transmitting disk 2, shield 14 is for preventing foreign matter from entering hair
It penetrates in disk 2, and electromagnetic signal is prevented to be radiated in ambient enviroment.
Before preparing charging after the rise of shield 14, it is mixed into foreign matter during shield 14 rises in order to prevent, is being sent out
It penetrates 2 inside of disk also infrared detector and detects whether that there are foreign matters, foreign matter, then prevent if it exists using the fuel factor of infra-red radiation
Shield 14 declines, and transmitting disk 3 stops working.
The lower section of shield 14 is provided with driving motor, driving motor drives shield 14 to carry out by screw rod or gear
Lifting, driving motor is the servo motor being connected with controller.
The walking mechanism has mutually symmetrical revolver 7 and right wheel 8, is additionally provided in the front of revolver 7 and right wheel 8
It is capable of the universal wheel 9 of direction of rotation, movable motor is additionally provided on universal wheel 9, movable motor is connected with controller, walking
Motor can drive transmitting station 1 to walk, and change walking path as needed.
The transmitting station 1 is round or polygon.
Embodiment 1
Referring to attached drawing 1,2,6, the guard mechanism has the cover board 1 of multi-disc equidimension, splices between cover board 1
At circle, it is movably connected on transmitting disk 1 in the bottom end of cover board 1 by shaft 10, corresponds to each cover board on transmitting disk 1
One 11 shaft 10 is provided with motor, and motor is connected by power with shaft 10, and under the drive of the motor, cover board 1 can revolve
Turn, to complete the folding of guard mechanism.
One 11 quantity of cover board is 2-6, and preferably 3-6, be further preferably 4.
The motor being arranged on guard mechanism is servo motor.
Embodiment 2
Referring to attached drawing 3,4,5, the guard mechanism has the cover board 2 12 of revolving dial 13 and multi-disc equidimension, is revolving
Be provided with multiple equidistant rotation protrusion 13-1 correspondingly with cover board 2 12 on transfer disk 13, between cover board 2 12 by turn
Axis is movably connected in the outer rim of transmitting 1 upper surface of disk, and bar shaped or arc-shaped rotating gravure 12-1 are provided on cover board 2 12,
Rotating gravure 12-1 is matched with rotation protrusion 13-1, and revolving dial 13 is located between cover board 2 12 and transmitting disk 1, in transmitting disk
Driving motor is provided on 1,13 side of revolving dial is provided with the gear matched with driving motor, in the driving of driving motor
Under, revolving dial 13 can rotate, and then stir rotating gravure 13 by rotation protrusion 13-1 and inwardly or outwardly move, and then band
Dynamic multi-disc cover board 2 12 realizes folding simultaneously.
The rotating gravure 12-1 is extended outwardly by the root of cover board 2 12.
The driving motor is servo motor.
The controller is single-chip microcontroller, programmable controller or industrial computer.
Working principle
Electric car to be charged is parked in scheduled charging place, and the radical occlusion device of electric car radio charging equipment exists
It under the driving of running gear, is run under the chassis of electric car along the identification path planned, guard mechanism movement is exposed
Emit disk, is directed at receiving coil；And rise shield, prevent foreign matter from entering between transmitting disk and receiving coil, in the registered
Charge；After charging complete, charging can be removed according to reverse order.
Claims (9)
1. a kind of radical occlusion device of electric car radio charging equipment, it is characterised in that: the transmitting station having is set on transmitting station
It is equipped with plug, plug can connect AC power source；It is provided with controller in transmitting station, the upper surface of transmitting station is provided with transmitting
Disk, controller are attached with transmitting disk with AC power source respectively；It is provided with guard mechanism on transmitting disk, for not charging
When to transmitting disk carry out blocking protection；In charging, guard mechanism is acted, and exposes transmitting disk, is internally provided with hair in transmitting disk
Ray circle；And it is directed at the receiving coil of electric car bottom, to charge.
2. a kind of radical occlusion device of electric car radio charging equipment according to claim 1, it is characterised in that: sending out
It penetrates and is provided with walking mechanism and sensor below disk；Sensor is infrared sensor, camera, magnetic induction sensor, gyro
Any one or more in instrument or GPS；When sensor is infrared sensor, camera or magnetic induction sensor, on road surface
On be provided with the identification path matched with sensor；Sensor is by the information conveyance of detection to controller, and then controller drives
For dynamic walking mechanism along the walking of identification path, walking mechanism can drive transmitting station, and will be on transmitting disk alignment electric car
Receiving coil.
3. a kind of radical occlusion device of electric car radio charging equipment according to claim 1, it is characterised in that: sending out
The outer rim for penetrating disk upper surface is provided with laser positioning sensor, and known induction is fixed on the receiving coil on electric car
Mark, laser scanning Global localization sensor pass through the orientation that laser scanning methods detection arrangement indicates on receiving coil disk
Angle, according to these azimuths and the geographical position coordinates of respective flag, calculate position of the transmitting disk under reference frame and
Direction, and control walking mechanism and be moved at the charge position coordinate that program is set, realize the essence of transmitting disk and receiving coil
Certainly position.
4. a kind of radical occlusion device of electric car radio charging equipment according to claim 1, it is characterised in that: sending out
The outer rim for penetrating disk is additionally provided with the shield that can be gone up and down.
5. a kind of radical occlusion device of electric car radio charging equipment according to claim 1, it is characterised in that: sending out
Penetrating disk inside, there are also infrared detectors.
6. a kind of radical occlusion device of electric car radio charging equipment according to claim 1, it is characterised in that: described
Guard mechanism there is the cover board one of multi-disc equidimension, be spliced into circle between cover board one, pass through shaft in the bottom end of cover board one
It is movably connected on transmitting disk, the shaft that each cover board one is corresponded on transmitting disk is provided with motor, and motor is moved with shaft
Power connection, under the drive of the motor, cover board one can rotate, to complete the folding of guard mechanism.
7. a kind of radical occlusion device of electric car radio charging equipment according to claim 6, it is characterised in that: described
One quantity of cover board be 2-6.
8. a kind of radical occlusion device of electric car radio charging equipment according to claim 1, it is characterised in that: described
Guard mechanism there is the cover board two of revolving dial and multi-disc equidimension, multiple equidistant and cover board is provided on revolving dial
The corresponding rotation of 211 is raised, the outer rim of transmitting disk upper surface is movably connected between cover board two by shaft, in cover board two
On be provided with bar shaped or arc-shaped rotating gravure, rotating gravure is matched with rotation protrusion, and revolving dial is located at two He of cover board
Emitting between disk, is provided with driving motor on transmitting disk, revolving dial side is provided with the gear matched with driving motor,
Under the driving of driving motor, revolving dial can be rotated, and then stirred rotating gravure by rotation protrusion and inwardly or outwardly transported
It is dynamic, and then multi-disc cover board two is driven to realize folding simultaneously.
9. a kind of radical occlusion device of electric car radio charging equipment according to claim 2, it is characterised in that: described
Walking mechanism have mutually symmetrical revolver and right wheel, be additionally provided in front of revolver and right wheel and be capable of the ten thousand of direction of rotation
To wheel, movable motor is additionally provided on universal wheel, movable motor is connected with controller, and movable motor can drive transmitting disk
It walks and changes walking path as needed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359622.1U CN209634301U (en) | 2019-03-21 | 2019-03-21 | The radical occlusion device of electric car radio charging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920359622.1U CN209634301U (en) | 2019-03-21 | 2019-03-21 | The radical occlusion device of electric car radio charging equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209634301U true CN209634301U (en) | 2019-11-15 |
Family
ID=68496608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920359622.1U Active CN209634301U (en) | 2019-03-21 | 2019-03-21 | The radical occlusion device of electric car radio charging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209634301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895641A (en) * | 2019-03-21 | 2019-06-18 | 南京康尼新能源汽车零部件有限公司 | The radical occlusion device and its occlusion method of electric car radio charging equipment |
| US11742138B2 (en) | 2020-10-22 | 2023-08-29 | The Gauss Inc. | Wireless power reception apparatus and a method of manufacturing the same |
-
2019
- 2019-03-21 CN CN201920359622.1U patent/CN209634301U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895641A (en) * | 2019-03-21 | 2019-06-18 | 南京康尼新能源汽车零部件有限公司 | The radical occlusion device and its occlusion method of electric car radio charging equipment |
| CN109895641B (en) * | 2019-03-21 | 2024-03-15 | 南京康尼新能源汽车零部件有限公司 | Shielding device and shielding method for electric automobile radio charging equipment |
| US11742138B2 (en) | 2020-10-22 | 2023-08-29 | The Gauss Inc. | Wireless power reception apparatus and a method of manufacturing the same |
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