基于STM32的无线电能传输系统逆变电源设计  

Design of inverter power supply of wireless power transfer system based on STM32

作　　者：陆杰 康健炜 LU Jie;KANG Jianwei(Key Laboratory of Manufacturing Test Technology and Process of Ministry of Education,Southwest University of Science and Technology,Mianyang 621010,China)

机构地区：[1]西南科技大学制造过程与测试技术教育部重点实验室,四川绵阳621010

出　　处：《电子设计工程》2024年第7期10-15,共6页Electronic Design Engineering

基　　金：国家自然科学基金青年基金项目(52007159);西南科技大学自然基金(20zx7116)。

摘　　要：在无线电能传输(Wireless Power Transfer,WPT)系统领域,谐振式WPT技术凭借其具有传输距离远、效率高等特点,受到学术界的极大关注。而高频逆变电源则是实现WPT的关键之一,因此该文介绍了一种基于STM32单片机和巴特沃斯滤波器的谐振式WPT电源设计方案。该方案通过使用STM32单片机输出PWM控制信号,进而控制IR2110驱动芯片来实现对全桥逆变电路的开关控制,由逆变电路输出方波。加入了巴特沃斯滤波器,实现了20 kHz高频正弦波的输出。利用该电源还搭建了一种WPT系统,验证了方案的可行性。该方案相较于以DSP芯片为核心的控制方案,具有成本低廉、结构简单、电磁兼容性好的特点,具备在小型WPT系统的潜在应用价值。In the field of radio energy transmission(Wireless Power Transfer,WPT)system,the resonant WPT technology has attracted great attention from the academic community with its characteristics of far transmission distance and high efficiency.The high frequency inverter power supply is one of the key ways to realize WPT,so this paper introduces a resonant WPT power supply design scheme based on STM32 and Butterworth filter.This scheme uses the STM32 to output PWM control signal,and controls the IR2110 drive chip to realize the switch control of the full bridge inverter circuit,and the square wave outputs from the inverter circuit.A Butterworth filter was added,achieving the output of a 20 kHz high-frequency sine wave.A WPT system is also built using the power supply to verify the feasibility of the scheme.Compared with the control scheme with DSP chip as the core,this scheme has low cost,simple structure,good electromagnetic compatibility,and has the potential application value in small WPT system.

关 键 词：PWM 逆变控制 开关电源 STM32单片机 

分 类 号：TN912.16[电子电信—通信与信息系统]