医院住院病人电子监控仪的硬件设计
目 录
1 绪论......................................................................1
1.1 研究背景................................................................1
1.2 发展状况................................................................1
1.3 设计效果................................................................3
2 硬件设计..................................................................3
2.1 系统总体设计............................................................3
2.2 元器件选择及其特点......................................................4 *景先生毕设|www.jxszl.com +Q: #351916072#
2.3 检测板主控电路模块设计..................................................6
2.4 报警板主控电路模块设计..................................................8
2.5 晶振电路................................................................9
2.6 复位电路................................................................9
2.7 检测板的信号检测电路设计................................................9
2.8 检测板的信号放大电路设计...............................................10
2.9 检测板的信号整形电路设计...............................................10
2.10 检测板的显示电路设计..................................................11
2.11 检测板的时钟电路设计..................................................11
2.12 检测板的按键电路设计..................................................12
2.13 报警板的按键电路设计..................................................13
2.15 红外遥控电路设计......................................................13
2.16 报警板的报警电路设计..................................................14
2.17 电源电路..............................................................15
2.18 无线模块..............................................................15
3 硬件调试.................................................................16
4 软件设计.................................................................19
4.1 中心控制端主程序设计...................................................19
4.2 信号采集端主程序设计...................................................20
结论.......................................................................23
致谢.......................................................................24
参考文献...................................................................25
附录A 电路图...............................................................26
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