The invention discloses a wireless charging offset detection system and method for an electric vehicle, and belongs to the field of offset detection. The wireless charging offset detection system comprises two position marking coils fixedly mounted on the side of the electric vehicle, a plurality of position detection coils which are fixedly mounted on the charging side and are connected in parallel, and a processing module connected with the plurality of position detection coils; wherein the position marking coil is used for generating a high-frequency magnetic field; the position detection coil is used for generating corresponding induced voltage according to the induced magnetic field intensity of the high-frequency magnetic field and sending the induced voltage to the processing module; and the processing module is used for determining the offset of the electric vehicle based on the received voltage values of the plurality of induced voltages and the position detection coil information corresponding to the plurality of induced voltages. According to the invention, the offset of the electric vehicle can be obtained only by using a simple coil and a simple peripheral circuit, the cost is reduced, and the detection accuracy is improved at the same time.
本发明公开了一种电动汽车无线充电偏移检测系统及检测方法,属于偏移检测领域,通过固定安装于电动汽车侧的两个位置信标线圈、固定安装于充电侧的多个并联连接的位置检测线圈以及与多个位置检测线圈连接的处理模块;其中,位置信标线圈,用于产生高频磁场;位置检测线圈,用于根据感应到的高频磁场的磁场强度,生成相应的感应电压,并发送感应电压至处理模块;处理模块,用于基于接收到的多个感应电压的电压值以及多个感应电压对应的位置检测线圈信息确定电动汽车的偏移量。本发明实现了仅使用简单的线圈以及简单的外围电路便可获得电动汽车的偏移量,降低了成本,同时提高了检测的精确度。
Electric vehicle wireless charging offset detection system and detection method
电动汽车无线充电偏移检测系统及检测方法
2023-01-06
Patent
Elektronische Ressource
Chinesisch
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