塔代伊-基于单片机的输液监护器的设计(3)

输液监护

目录

前言 ..................................................................... 1 1监护器的系统设计 ........................................................ 2

1.1系统的构成 .................................................................................................................. 2 1．2系统框图工作原理 .................................................................................................... 2 2输液监护器的硬件设计 .................................................... 4

2．1执行机构 .................................................................................................................... 4 2．1．1步进电动机概述 ............................................................................................ 4 2．1．2步进电机控制原理 ........................................................................................ 5 2．2数据采集模块及工作原理 .......................................................................................... 6 2．3报警模块 ...................................................................................................................... 7 2.4 显示模块 ....................................................................................................................... 7 2.5键控模块 ........................................................................................................................ 8 2.6 通信模块 ....................................................................................................................... 9 2.7系统总体电路图 ............................................................................................................ 9 3 输液监护器的软件设计 .................................................. 12 3.1 检测程序 ....................................................................................................................... 12 3.2电机控制子程序 ............................................................................................................ 15 3.3显示子程序 .................................................................................................................... 17 3.4键盘程序 ........................................................................................................................ 18 结论 .................................................................... 21 致谢 .................................................................... 22 参考文献 ................................................................ 23

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