The invention provides a coil, a power transmitting device, a power receiving device, and a power transmission system. Even if a high-frequency current is used, the efficiency of wireless power transmission can be improved. A power transmission coil (TC1) for non-contact power transmission has a power transmission loop coil (TL11) wound from the outer peripheral side to the inner peripheral side of the power transmission coil (TC1), and a power transmission loop coil (TL12) wound from the inner peripheral side to the outer peripheral side, and the overall shapes of the power transmission loop coil (TL11) and the power transmission loop coil (TL12) are mutually identical quadrangles in plan view. The positions of the copper thin-film wire (TL111) and the copper thin-film wire (TL112) constituting the power transmission loop coil (TL11) as viewed from the center and the positions of the copper thin-film wire (TL121) and the copper thin-film wire (TL122) constituting the power transmission loop coil (TL12) as viewed from the center coincide in plan view.
本发明提供一种线圈、送电装置、受电装置以及电力传输系统,即使在使用高频电流的情况下也能够提高作为无线电力传输的效率。在非接触型电力传输用的送电线圈(TC1)中,具有从送电线圈(TC1)的外周侧向内周侧卷绕的送电环形线圈(TL11)、从内周侧向外周侧卷绕的送电环形线圈(TL12),送电环形线圈(TL11)及送电环形线圈(TL12)的俯视整体形状为相互相同的四边形,构成送电环形线圈(TL11)的铜薄膜线(TL111)及铜薄膜线(TL112)的从中心观察到的位置和构成送电环形线圈(TL12)的铜薄膜线(TL121)及铜薄膜线(TL122)的从中心观察到的位置在俯视下一致。
Coil, power transmission device, power reception device, and power transmission system
线圈、送电装置、受电装置以及电力传输系统
2023-05-02
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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