An electric vehicle wireless charging positioning alignment device and control method
A technology for electric vehicles and alignment devices, which is applied in the direction of electric vehicle charging technology, electric vehicles, battery circuit devices, etc., can solve the problems of unsuitable long-term use, wheel crush damage, low precision, etc., achieve easy identification and positioning, and avoid modification and installation, to avoid the effect of high cost
Active Publication Date: 2017-11-21
QINGDAO LU YU ENERGY TECH CO LTD
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AI Technical Summary
Problems solved by technology
In this process, since the pulse signal based on the feedback of the positioning tag is used to achieve positioning and alignment, the accuracy that can be achieved for alignment is low
In addition, since a large space needs to be reserved on the ground for installing the transmitting coil, and the transmitting coil is installed on the ground, it is easy to be crushed and damaged by the wheels, so it is not suitable for long-term use
Method used
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Embodiment 1
[0039] see Figure 1~3 , The invention discloses a wireless charging positioning and alignment device for electric vehicles, the positioning and alignment device includes a wireless receiving device 1, a wireless transmitting device 2, a rubber positioner 3, a camera 4 and a microcontroller MCU.
[0040] The wireless receiving device 1 includes a wireless receiving coil 101 and a receiving coil calibration point P 接收 . P 接收 Generally, it can be a reference dot mark on the surface of the license plate itself. The reference dot mark is generally used for the focus of traffic high-speed cameras. The shape of the wireless receiving coil 101 is consistent with the shape of the license plate, which is convenient for modification and after-installation. The wireless receiving coil 101 is installed between the front end of the electric vehicle and the license plate, and the material of the license plate is made of non-metallic material. Receive coil calibration point P 接收 (x 接收 ,...
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The invention discloses a wireless charging positioning alignment device and control method for an electric vehicle. The positioning alignment device includes a wireless receiving device, a wireless transmitting device, a rubber positioner, a camera and a microcontroller MCU; the wireless receiving device is installed on the front end of the electric vehicle Between the license plate and the vehicle body; use the rubber locator to locate the wireless charging distance of the electric vehicle, use the laser emitting device to image the reference position of the wireless transmitting coil, collect the reference point information of the wireless transmitting coil and the wireless receiving coil through the camera, and compare the transmitting coil The coordinate position of the calibration point and the calibration point of the receiving coil controls the two-dimensional position adjustment of the wireless transmitting coil, realizes the precise positioning of the wireless charging of the electric vehicle, avoids the problems of high cost of multi-coils and the existence of alignment blind spots, and improves the alignment accuracy and alignment efficiency.
Description
technical field [0001] The invention relates to the technical field of wireless charging, in particular to a positioning and alignment device and a control method for wireless charging of electric vehicles. Background technique [0002] In modern society, people's awareness of environmental protection and saving petrochemical energy is constantly increasing, and the trend of electric vehicles gradually replacing traditional energy vehicles is becoming more and more obvious. Due to the long charging time of electric vehicles, generally slow charging takes 6-8 hours, and the driver needs to operate the charging process by himself. Due to the existence of high voltage and high current in the charging process of electric vehicles, there is a potential danger to personal safety itself. In outdoor charging on cloudy and rainy days, the safety issues that may be caused by electric leakage are more prominent. In addition, since the battery cruising range of electric vehicles is st...
Claims
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IPC IPC(8): B60L11/18H02J50/90H02J50/10H02J7/00G08C17/02
CPCB60L53/36B60L53/38G08C17/02H02J7/02Y02T10/70Y02T10/7072Y02T90/12
Inventor 李聃尹本栋
Owner QINGDAO LU YU ENERGY TECH CO LTD