The invention provides a cluster-type electric vehicle wireless charging system with a strong anti-offset characteristic, which comprises a frequency converter and a cluster-type charging pile, and is characterized in that the cluster-type charging pile comprises a primary side coil shared magnetic core and a plurality of charging coils which are respectively arranged at two sides of the primary side coil shared magnetic core; each charging coil is provided with a primary side compensation circuit and is connected to an output bus of the frequency converter in a switching mode through a corresponding primary side coil switching element, each charging coil is further provided with a secondary side coil detection sensor correspondingly, and the multiple secondary side coil detection sensors are connected to a coil detection signal processing module. And the coil detection signal processing module controls the corresponding charging coil to work according to the position of the secondary coil detected by the plurality of secondary coil detection sensors. The device has the advantages that no matter where the electric automobile is parked, extremely stable voltage can be obtained; the system can be used for charging a plurality of electric vehicles, and also can be used for charging electric vehicles with various voltage grades.
本发明提供一种具有强抗偏移特性的集群式电动汽车无线充电系统,包括变频器和集群式充电桩,集群式充电桩包括原边线圈共用磁芯以及在原边线圈共用磁芯两侧分别排列设置的若干充电线圈,每一个充电线圈均配置有一个原边补偿电路且通过对应的原边线圈切换元件可投切式的连接在变频器的输出母线上,对应每一个充电线圈还配置有副边线圈检测传感器,若干副边线圈检测传感器连接在线圈检测信号处理模块上,线圈检测信号处理模块根据若干副边线圈检测传感器所检测到的副边线圈所处的位置控制对应的充电线圈工作。其效果是:不论电动汽车停在何处,均能获得极为稳定的电压;既可以为多个电动汽车充电,也可以为多种电压等级的电动汽车充电。
Cluster type electric vehicle wireless charging system with strong anti-offset characteristic
具有强抗偏移特性的集群式电动汽车无线充电系统
2023-07-28
Patent
Elektronische Ressource
Chinesisch
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