手机锂电池无线充电器设计

Design of Mobile Phone Charger for Lithium Battery

采用电磁感应原理对手机锂电池无线充电器进行设计,本设计分为发射电路和接收电路两部分。发射电路包括功放电路、振荡电路、耦合线圈;接收电路包括耦合线圈、整流电路、滤波电路和恒压充电电路。对电路中各元器件进行了设计、选型与制作。实验结果表明,所设计的无线充电器可以对手机电池进行充电,电路正确可行。

The design of mobile phone charger for lithium battery was done according to the principle of electro- magnetic induction. The design was divided into two parts, one is transmitting circuit and the other is receiving circuit. The transmitting circuit comprises a power amplifier circuit, an oscillation circuit and a coupling coil. The receiving circuit comprises a coupling coil, a rectifying circuit, a filtering circuit and a constant voltage charging circuit. The design, selection or manufacture of components in the circuit were done. Experimental results show that the wireless charger can charge the mobile phone battery, the circuit is correct and feasible.