目 录前言......................................................................11 绪论....................................................................1⑴ 恒压供水系统的提出..................................................1⑵ 变频恒压供水系统主要特点............................................1⑶ 恒压供水技术实现....................................................22 变频恒压调速供水系统的工作原理..........................................2⑴ 系统工作过程........................................................4⑵ 变频调速的基本调速原理..............................................5⑶ 水泵变频调速节能分析................................................7⑷ 本章小结............................................................83 变频恒压调速供水系统硬件设计............................................9⑴ 硬件总体说明........................................................9⑵555 定时器复位电路...................................................9⑶LED 数值显示 D/A 数值采集 D/A 数值反馈...............................113.3.1 LED 数值显示模块.............................................113.3.2 数据采集 A/D 转换电路........................................124 变频恒压调速供水系统软件设计...........................................134.1 编程软件..........................................................134.1.1 C051 编译器介绍..............................................134.1.2 KEIL 编译器..................................................144.2 单片机资料........................................................144.3 软件的程序设计图..................................................165 结论...................................................................18附录.....................................................................19参考文献.................................................................27基于单片机恒压供水系统设计前言 随着人民生活水平的日趋提高，新技术和先进设备的应用，使供水设计得到了新的进展机遇，当前住宅建筑的规划趋向于更具有人...
