The invention discloses a loose coupling transformer device and circuit for wireless charging of an electric automobile. The transformer device comprises two shielding metal plates, a transmitting side module and a receiving side module, the transmitting side module and the receiving side module are mutually coupled, the transmitting side module is arranged at the ground end, and the receiving side module is arranged at the bottom of an automobile body; the transmitting side module and the receiving side module are embedded in the corresponding shielding metal plates, and each of the transmitting side module and the receiving side module comprises an insulating plate, a magnetic core, a transformer coil and an inductance coil; the transformer coil is fixed on the surface of one side of the magnetic core, and the transformer coil of the transmitting side module and the transformer coil of the receiving side module are oppositely arranged; the inductance coil is spirally wound on the magnetic core, and the winding direction of the inductance coil of the transmitting side module is perpendicular to the winding direction of the inductance coil of the receiving side module; the transformer coil and the inductance coil on the same magnetic core are perpendicular to each other at the overlapping position. The invention further discloses a circuit for charging the electric automobile by using the transformer device.
本发明公开了一种用于电动汽车无线充电的松散耦合变压器装置及电路,其中变压器装置包括两块屏蔽金属板以及相互耦合的发射侧模块和接收侧模块,发射侧模块置于地面端,接收侧模块置于车体底部;发射侧模块和接收侧模块均嵌于对应的屏蔽金属板内,发射侧模块和接收侧模块均包括绝缘板、磁芯、变压器线圈以及电感线圈;变压器线圈固定在磁芯的一侧表面,发射侧模块的变压器线圈与接收侧模块的变压器线圈相对设置;电感线圈螺旋缠绕于磁芯上,发射侧模块的电感线圈的缠绕方向与接收侧模块的电感线圈的缠绕方向相互垂直;同一磁芯上的变压器线圈和电感线圈在交叠处相互垂直。本发明还包括一种使用前述变压器装置给电动汽车充电的电路。
Loose coupling transformer device and circuit for wireless charging of electric vehicle
一种用于电动汽车无线充电的松散耦合变压器装置及电路
2021-12-28
Patent
Electronic Resource
Chinese
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