Wireless charging system and method and wireless charging alignment method
A technology for wireless charging and electric vehicles, applied in charging stations, electric vehicle charging technology, electric vehicles, etc., can solve the problems of reducing power transmission efficiency and achieve the effect of improving power transmission efficiency and alignment accuracy
Pending Publication Date: 2021-12-07
天津天汽集团有限公司
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Problems solved by technology
When the transmitting coil and receiving coil are out of alignment and the deviation is large, the transmission efficiency of electric energy will be reduced
Method used
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[0073] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0074] An embodiment of the present invention provides a wireless charging system. figure 1 It is a schematic structural diagram of a wireless charging system provided by an embodiment of the present invention. The wireless charging system 10 includes: an electric vehicle 110, a wireless charging receiving module 120, a charging parking space 130, a wireless charging transmitting module 140, and at least one scale plate ( figure 1 Exemplarily draw three scale plates 150, 160 and 170), at least one image acquisiti...
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The embodiment of the invention discloses a wireless charging system and method and a wireless charging alignment method. The wireless charging system comprises an electric vehicle, a wireless charging receiving module, a charging parking space, a wireless charging transmitting module, at least one scale plate, at least one image acquisition module and a first alignment adjusting module, the at least one image acquisition module is in one-to-one correspondence with the at least one scale plate, and an image acquired by any image acquisition module comprises a main reference scale and at least part of auxiliary scales of the scale plate corresponding to the image acquisition module; and the first alignment adjusting module is used for generating a first moving signal of the electric vehicle according to the image acquired by the at least one image acquisition module, so that the alignment precision of the wireless charging receiving module and the wireless charging transmitting module reaches a first preset precision range. According to the technical scheme provided by the embodiment of the invention, the alignment precision of the wireless charging receiving module on the electric vehicle and the wireless charging transmitting module on the charging parking space can be improved, so that the electric energy transmission efficiency of wireless charging is improved.
Description
technical field [0001] The present invention relates to the technical field of wireless charging, in particular to a wireless charging system and method, and a wireless charging alignment method. Background technique [0002] Electric vehicles can use wireless charging methods, such as magnetic induction. The receiving coil is generally installed at the bottom of the electric vehicle, and the transmitting coil is set on the ground of the charging parking space. The electric vehicle needs to be parked in an accurate position so that the transmitting coil and the receiving coil face each other vertically. When the centers of the transmitting coil and the receiving coil are relatively aligned, the entire wireless power transmission system can obtain maximum efficiency. When the transmitting coil and the receiving coil are out of alignment and the deviation is large, the transmission efficiency of electric energy will be reduced. Therefore, when the electric vehicle is wireles...
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IPC IPC(8): B60L53/38B60L53/12H02J50/90H02J50/10
CPCB60L53/38B60L53/12H02J50/90H02J50/10Y02T10/70Y02T10/7072Y02T90/12Y02T90/14
Inventor 吴楠
Owner 天津天汽集团有限公司