The invention discloses a device and method for detecting the position of a receiving end of a wireless power transmission system based on the array magnetic field acquisition coils shaped like a Chinese character of tian. The device comprises a transmitting coil, a detection coil, a signal conditioning circuit, a voltage signal sampling circuit, a pre-memory, a scanning comparison circuit and a display. The detection coil is fixed at the receiving end, an exciting current is introduced into the transmitting coil, and the position detection process is started; an induced voltage value of the detection coil is conditioned through the signal conditioning circuit, a voltage signal is sampled through the voltage signal sampling circuit, then the voltage signal is compared with an induced voltage meter pre-stored in the pre-memory, and a numerical result is displayed through the display. According to the present invention, the four large coils are used for magnetic field acquisition, the detectable range of the device is expanded, the detection precision of the device is improved, the design complexity of the device is simplified, and the detection process and the energy transfer process are independently and effectively carried out without interference.
本发明公开了一种基于田字形阵列式磁场采集线圈的无线电能传输系统接收端位置检测装置及方法,所述装置包括:发射线圈、检测线圈、信号调理电路、电压信号采样电路、预存器、扫描比对电路和显示器;所述检测线圈固定在接收端处,发射线圈中通入励磁电流,位置检测过程开启,检测线圈的感应电压值通过信号调理电路进行调理,通过电压信号采样电路对电压信号进行采样,再与预存器中预存的感应电压数表做比对,通过显示器显示数值结果。本发明使用四个大线圈进行磁场采集,扩大了装置的能检范围,提升了装置的检测精度、简化了装置的设计复杂度,实现了检测过程与能量传递过程互不干扰、独立有效地进行。
Device and method for detecting position of receiving end of wireless power transmission system based on array magnetic field acquisition coils shaped like Chinese character of tian
一种基于田字形阵列式磁场采集线圈的无线电能传输系统接收端位置检测装置及方法
2021-09-07
Patent
Elektronische Ressource
Chinesisch
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