目 录第 1 章 绪论.............................................................11.1 课题背景..........................................................11.2 国内外讨论的现状..................................................21.3 使用单片机实现锅炉控制的优点......................................2第 2 章 锅炉控制系统的设计方案...........................................32.1 控制系统的设计指标................................................32.2 控制系统的功能简介及系统框图......................................32.3 讨论方案及预期结果................................................42.3.1 系统硬件总体方案..............................................42.3.2 软件总体方案..................................................42.3.3 设计的讨论进程................................................5第 3 章 锅炉控制系统的硬件电路设计.......................................63.1 单片机电路选择....................................................63.1.1 AT89C52 的特点与性能...........................................63.1.2 AT89C52 的引脚功能与编程.......................................73.2 锅炉储水温度采集及补偿电路.......................................123.3 室内供暖温度采集电路.............................................143.4 缺水保护电路.....................................................143.5 漏电及水过热保护电路.............................................153.6 显示电路的设计...................................................163.7 键盘电路设计.....................................................183.8 A/D 转换电路......................................................193.8.1 ADC0809 转换器................................................193.8.2 各引脚功能说明...............................................193.8.3 ADC0809 工作过程描述..........................................203.9 AT89C52 与 AT24C01A 的接口设计.....................................213.10 电源及继电器板..................................................213.10.1 固态继电器概述及特点........
