简易数控充电电源参赛编号：E甲1121简易数控充电电源（E题）参赛学生：李海洋刘婧瑀马力参赛学校：中国海洋大学指导教师：程凯2008-9-15目录摘要.............................................................................................................................................................1一、系统设计...............................................................................................................................................11设计思路.............................................................................................................................................12方案论证与比较.................................................................................................................................22.1电路组成.................................................................................................................................21简易数控充电电源2.2模数转换.................................................................................................................................32.3充电电源的恒流、恒压电路.................................................................................................4二、硬件设计...............................................................................................................................................51控制器单元.........................................................................................................................................52充电电源单元.....................................................................................................................................53差分运算放大电压单元.....................................................................................................................54模数转换单元.....................................................................................................................................65温度采集单元.....................................................................................................................................76显示单元.............................................................................................................................................7三、软件设计...............................................................................................................................................71设计思路.............................................................................................................................................71.1主程序.....................................................................................................................................71.2温度采集.................................................................................................................................81.3充电电源程序.........................................................................................................................91.4A/D转换程序........................................................................................................................91.5显示程序...............................................................................................................................101.6中断服务程序..............................................................................................................
