电动小车的无线充电系统设计

Design of Wireless Charging System for Electric Vehicle

阐述一套无线充电电动小车系统的设计,该系统由无线发射装置、无线接收装置、DC/DC变换电路、恒功率充电电路、自启动电路和单片机控制系统构成。其中,恒功率充电电路用于提高无线收发装置的能量传输率,自启动电路和DC/DC变换电路用于提高电动小车的能量使用率。实验结果表明,该系统具有无线充电效率高、系统功耗小以及行驶距离长等优点。

This paper describes the design of a wireless charging electric vehicle system,which is composed of wireless transmitter,wireless receiver,DC/DC conversion circuit,constant power charging circuit,self starting circuit and single-chip microcomputer control system.Among them,the constant power charging circuit is used to improve the energy transmission rate of the wireless transceiver,and the self starting circuit and DC/DC conversion circuit are used to improve the energy utilization rate of the electric vehicle.The experimental results show that the system has the advantages of high wireless charging efficiency,low system power consumption and long driving distance.