基于单片机的车载逆变电源设计  

Design of intelligent aquarium monitoring system

作　　者：郭志成 任晓芳 朱东山 

机构地区：[1]兰州工业学院电气工程学院,甘肃兰州730070

出　　处：《中国建材科技》2019年第2期86-87,共2页China Building Materials Science & Technology

基　　金：兰州市科技计划项目(2018-4-36);2018年甘肃省高等学校教学质量与教学改革工程项目(电力电子技术精品资源共享课)

摘　　要：设计了一种车载逆变电源,系统采用两级变换结构,先使用PWM芯片SG3525控制双变压器结构的推挽电路将蓄电池电压升高,在通过单片机PIC16F877A输出SPWM信号控制全桥逆变电路,得到220V/50Hz正弦交流电为车载电器供电。系统设计简单、容易实现,克服了传统车载逆变电源存在的问题,提高了电源的适用性。A vehicle-mounted inverter power supply is designed.The system adopts a two-stage conversion structure.The PWM chip SG3525 is used to control the push-pull circuit of the dual-transformer structure to taise the battery voltage.The SPWM signal is output through the single-chip PIC16F877A to control the full-bridge inverter circuit.220 v/50 Hz sinusoidal AC power supply for vehical electrical appliances.The system design is simple and easy to implement, overcomes the problems existing in the traditional vehicle inverter power supply, and improves the applicability of the power supply.

关 键 词：逆变电源 SG3525 推挽电路 PIC16F877A 

分 类 号：TM76[电气工程—电力系统及自动化]