The invention provides a wireless charging automobile secondary side current feedback system based on bilateral LCC and coil integration, a secondary side integrated inductance coil is wound in an energy receiving coil, a current feedback receiving coil is wound in an energy transmitting coil, and the energy transmitting coil and the energy receiving coil are both arranged to be Q-shaped coils; the secondary side integrated inductance coil and the current feedback receiving coil are arranged to be 8-shaped coils; the energy transmitting coil is connected to a wireless charging transmitting circuit containing a primary side LCC compensation network, the energy receiving coil is connected to a wireless charging receiving circuit containing a secondary side LCC compensation network, the secondary side LCC compensation network is composed of a secondary side integrated inductance coil, a capacitor Cf2 and a capacitor Cs, and the current feedback receiving coil is connected with the feedback current extraction circuit. Power transmission from a primary side to a secondary side is realized, signal feedback from the secondary side to the primary side is also realized, two channels do not influence each other, secondary side current feedback can be quickly realized, local closed-loop control is facilitated, and system output power is stabilized.
本发明提供一种基于双边LCC与线圈集成的无线充电汽车副边电流反馈系统,在能量接收线圈中绕制有副边集成电感线圈,在能量发射线圈中绕制有电流反馈接收线圈,能量发射线圈与能量接收线圈均设置成Q型线圈;副边集成电感线圈和电流反馈接收线圈均设置成“8”字型线圈;能量发射线圈连接在含有原边LCC补偿网络的无线充电发射电路上,能量接收线圈连接在含有副边LCC补偿网络的无线充电接收电路上,副边LCC补偿网络由副边集成电感线圈与电容Cf2和电容Cs构成,电流反馈接收线圈与反馈电流提取电路连接。本发明既实现原边向副边的功率传输,又实现副边向原边的信号反馈,两条通道互不影响,可快速实现副边电流反馈,便于本地闭环控制,稳定系统输出功率。
Wireless charging automobile secondary side current feedback system based on bilateral LCC and coil integration
基于双边LCC与线圈集成的无线充电汽车副边电流反馈系统
2022-12-20
Patent
Electronic Resource
Chinese
Variable integrated inductor energy receiving coil and wireless charging automobile
European Patent Office | 2022
|