论文总字数：23717字

摘 要

随着现代医学的发展和信息技术的不断进步，大规模实时远程监控病人的状态已成为必要。本课题设计了可以监测人体心率、体温的医疗监护系统。该系统根据功能要求首先需要采集模块来测量心率、体温信号，然后通过主控模块外接采集模块、无线通信模块、显示模块实现数据采集、传输、显示等功能，并通过WiFi将数据实时上传到云平台，医护人员在手机端可以实时查看数据。

论文中首先对医疗监护系统的背景、意义和发展状况进行了简单介绍；接着分软硬件部分确定系统整体方案，其中硬件部分有采集模块、主控模块、显示模块和无线通信模块，其中采集模块又根据功能需求分为体温信号采集模块和心率信号采集模块，无线通信模块要能够远距离传输；软件部分主要是先介绍软件总体设计再按功能模块分模块设计，系统的软件在结构上分为主控程序、读心率数据子程序、读体温数据子程序、显示子程序、无线通信模块驱动程序以及串口通信程序，系统运行时通过主程序调用子程序完成。最后对系统进行必要的软硬件测试。

关键字：心率 体温 无线通信 单片机

Design and Implementation of Medical Monitoring System Based on WiFi

Abstract

With the development of modern medicine and the continuous advancement of information technology, large-scale real-time remote monitoring of the state of patients has become necessary. This subject has designed a medical monitoring system that can monitor human heart rate and body temperature. According to the functional requirements, the system first needs a acquisition module to measure heart rate and body temperature signals, and then implements data collection, transmission, display and other functions through the main control module external acquisition module, wireless communication module, and display module, and uploads the data to the cloud in real time through Cloud Platform, medical staff can view data in real time on the mobile phone.

The paper first briefly introduces the background, significance and development status of the medical monitoring system; then, the software and hardware parts are used to determine the overall system plan. The hardware part includes the acquisition module, main control module, display module, and wireless communication module. According to functional requirements, it is divided into body temperature signal acquisition module and heart rate signal acquisition module. The wireless communication module must be able to transmit over a long distance; the software part mainly introduces the overall design of the software and then divides the module design into functional modules. The software of the system is divided into main control program, heart rate reading subroutine, temperature reading subroutine, display subroutine, wireless communication module driver, and the serial communication program are completed by calling the subroutine through the main program when the system is running. Finally, the necessary software and hardware tests are performed on the system.

Keywords: heart rate; body temperature; wireless communication; MCU

目 录

第一章 绪论 1

1.1 选题背景和意义 1

1.2 医疗监护系统发展现状和趋势 1

1.2.1 国外研究现状 1

1.2.2 国内研究现状 2

1.2.3 医疗监护系统发展趋势 2

1.2.4 医疗监护系统现存问题 3

1.3 课题任务 3

1.4 论文结构安排 3

第二章 系统硬件设计 5

2.1 系统整体方案 5

2.2 主控模块 5

2.2.1 主控模块的方案 6

2.2.2 主控模块的介绍 6

2.2.3 主控模块的电路实现 7

2.3 采集模块 10

2.3.1 体温信号采集模块 10

2.3.2 心率信号采集模块 12

2.4 无线通信模块 15

2.4.1 无线通信模块的方案 15

2.4.2 无线通信模块的介绍 15

2.4.3 无线通信模块的电路实现 16

2.5 显示模块 17

2.5.1 显示模块的方案 17

2.5.2 显示模块的介绍 17

2.5.3 显示模块的电路实现 18

2.6 本章小结 18

第三章 系统软件设计 20

3.1 系统软件总体设计 20

3.2 显示模块 20

3.3 心率信号采集模块 22

3.4 体温信号采集模块 24

3.5 无线通信模块 24

3.6 本章小结 26

第四章 系统调试分析 27

4.1 系统硬件调试 27

4.2 系统软件调试 28

4.3 数据上云调试 28

4.4 本章小结 30

第五章 总结与展望 31

参考文献 32

附录一 硬件电路整体连接图 34

附录二 主要代码 35

致 谢 37

绪论

1.1 选题背景和意义

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