目 录中文摘要...............................................................1英文摘要...............................................................21 绪论................................................................31.1 电热锅炉的应用背景及其控制理论的进展............................31.2 本文的设计指标..................................................42 硬件电路设计........................................................52.1 系统方案概述....................................................52.2 温度检测元件 DS18B20.............................................62.3 显示模块设计....................................................82.4 键盘模块设计....................................................92.4.1 键盘工作原理..............................................92.4.2 键盘识别方法.............................................102.4.3 键盘工作方式.............................................102.5 指示及报警电路.................................................112.6 功率驱动电路...................................................122.6.1 固态继电器简介...........................................122.6.2 功率驱动电路设计.........................................132.7 水位检测及控制电路.............................................132.7.1 水位检测电路.............................................132.7.2 水位控制电路.............................................142.8 电源电路.......................................................152.9 单片机选型及简介...............................................153 软件的设计.........................................................193.1 系统软件总体概述...............................................193.2 主程序.........................................................193.3 T0 中断服务子程序..............................................213.3.1 中断系统简介.............................................213.3.2 T0 中断服务程序的编写.....................................233.4 键盘中断服务子程序................................
