目录
前言 ...........................................................................................................................1
1 概述 .......................................................................................................................2
1.1 本设计研究的现状 ............................................................................................2
1.2 本设计研究的意义 ............................................................................................3
1.3 本设计主要工作内容 ........................................................................................4
2 输液监控系统总体方案 .......................................................................................5
2.1 系统需求分析 ....................................................................................................5
2.2 系统方案论证与比较 ........................................................................................5
2.2.1 控制方案比较 .................................................................................................5
2.2.2 点滴检测方案 .................................................................................................6
2.2.3 剩余液体检测方案 .........................................................................................6
2.2.4 速度控制方案 ..................................................................................................7
2.2.5 电机选择及控制方案 ......................................................................................7
2.2.6 主从机通信方案 ..............................................................................................8
2.3 系统总体框图 ..................................................................................................10
2.4 小结 ..................................................................................................................11
3 系统从站的硬件设计 .........................................................................................12
3.1 从站系统框图与核心部分电路图 ...................................................................12
3.2 从站系统各单元设计 .......................................................................................13
3.2.1 点滴信号检测单元 ........................................................................................13
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