The invention discloses a magnetic resonance coupling dynamic wireless charging system ofan electric automobile. The wireless charging system comprises a preceding-stage power rectifying circuit, a primary bridge type inverter circuit, a primary coupling capacitor, a primary coil, a secondary coupling capacitor, a secondary coil, a secondary bridge type rectifying circuit and a secondary filter capacitor.The preceding-stage power rectifying circuit is arranged between apower supply device and the primary bridge typeinverter circuit. Anoutput end of the primary bridge inverter circuit and the primary coupling capacitor are connected in series to a primary coil. The primary coil and the secondary coil are coupled with each other, the secondary coil and the secondary coupling capacitor are connected in series to the input end of the secondary bridge rectifier circuit for rectification, the output end of the secondary bridge rectifier circuit is connected with the secondary filter capacitor, and the secondary filter capacitor is connected with a storage battery of the electric automobile for charging. In the invention, high-efficiency, medium-distance and dynamic wireless charging canbe realized.
本发明公开了一种电动汽车磁谐振耦合动态无线充电系统,包括前级功率整流电路、初级桥式逆变电路、初级耦合电容、初级线圈、次级耦合电容、次级线圈、次级桥式整流电路和次级滤波电容,所述前级功率整流电路设置于供电装置与初级桥式逆变电路之间,所述初级桥式逆变电路的输出端与初级耦合电容串联连接至初级线圈,所述初级线圈和次级线圈相互耦合,所述次级线圈与次级耦合电容串联连接至次级桥式整流电路的输入端进行整流,所述次级桥式整流电路的输出端与次级滤波电容相连,所述次级滤波电容与电动汽车的蓄电池相连进行充电。本发明可以实现高效率、中距离、动态的无线充电。
Magnetic resonance coupling dynamic wireless charging system ofelectric automobile
一种电动汽车磁谐振耦合动态无线充电系统
2020-05-19
Patent
Elektronische Ressource
Chinesisch
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