设计说明书
总字数：16000+
摘要
随着人口老龄化进程的加快，老年人的健康安全监测成为社会关注的焦点。传统的老年人照护方式依赖人工看护，存在实时性差、响应滞后等问题，难以及时应对突发健康状况和跌倒等意外，给老年人的生命安全带来隐患。
基于 STM32F103C8T6 单片机的老年人健康监测与跌倒定位报警系统，整合了 GPS + 北斗定位模块、MLX90614 体温传感器、MAX30102 心率传感器、MPU6050 运动传感器、OLED 显示屏、AIR7804G 通信模块等，实现了对老年人健康状态的实时监测与跌倒后的及时报警。系统核心功能包括：通过 GPS + 北斗模块获取老年人当前位置；利用 MLX90614 检测用户体温，MAX30102 监测心率；借助 MPU6050 记录步数并判断是否跌倒，若检测到跌倒且 10 秒未站立，通过 AIR7804G 模块向手机端发送弹窗震动提醒；通过 OLED 显示屏实时显示体温、心率、步数和位置信息；AIR7804G 模块将监测数据上传至手机端，实现远程监控。
该系统的实现，有效提升了老年人健康监测的实时性和安全性，能及时应对跌倒等意外情况，减少了人工看护的压力，为老年人的独立生活提供了保障，同时为同类健康监测设备的研发提供了参考，具有较高的实际应用价值。
关键词：STM32F103C8T6；老年人健康监测；跌倒报警；定位；传感器；4G 通信
ABSTRACT
With the acceleration of the aging population process, the health and safety monitoring of the elderly has become the focus of social attention. Traditional elderly care methods rely on manual care, which have problems such as poor real-time performance and delayed response, making it difficult to timely respond to sudden health conditions and accidents such as falls, posing hidden dangers to the lives of the elderly.
The elderly health monitoring and fall positioning alarm system based on the STM32F103C8T6 microcontroller integrates GPS+Beidou positioning module, MLX90614 temperature sensor, MAX30102 heart rate sensor, MPU6050 motion sensor, OLED display, AIR7804G communication module, etc., realizing real-time monitoring of the elderly’s health status and timely alarm after a fall. The core functions of the system include: obtaining the current position of the elderly through the GPS+Beidou module; using MLX90614 to detect the user’s body temperature and MAX30102 to monitor the heart rate; 借助 MPU6050 to record the number of steps and judge whether a fall occurs. If a fall is detected and the elderly does not stand up within 10 seconds, a pop-up vibration reminder is sent to the mobile phone through the AIR7804G module; real-time display of body temperature, heart rate, number of steps and position information through the OLED display; the AIR7804G module uploads the monitoring data to the mobile phone to realize remote monitoring.
The implementation of this system effectively improves the real-time performance and safety of the elderly’s health monitoring, can timely respond to accidents such as falls, reduces the pressure of manual care, provides protection for the elderly’s independent life, and also provides a reference for the research and development of similar health monitoring equipment, with high practical application value.
Keywords: STM32F103C8T6; Elderly health monitoring; Fall alarm; Positioning; Sensor; 4G communication
目录
第 1 章 绪论
1.1 研究的目的及意义
1.2 国内外发展情况
1.3 本文主要研究内容
第2章 设计思路与方案论证
2.1 主要元器件选择
2.1.1 主控芯片选择
2.1.2 定位模块选择
2.1.3 体温传感器选择
2.1.4 心率传感器选择
2.1.5 运动传感器选择
2.1.6 显示模块选择
2.1.7 通信模块选择
2.2整体设计方案
第 3 章 硬件设计
3.1 主控电路模块
3.2 GPS + 北斗定位模块电路
3.3 体温传感器电路
3.4 心率传感器电路
3.5 运动传感器电路
3.6 显示模块电路
3.7 通信模块电路
第4章 系统程序设计
4.1 编程软件介绍
4.2 系统主流程设计
4.3 独立按键
4.4 OLED显示流程设计
4.5 4G模块联网子流程设计
4.6 GPS模块子流程设计
4.7 红外测温模块子流程设计
4.8 心率血氧模块子流程设计
4.9 MPU6050模块子流程设计
第 5 章 实物测试
5.1 整体实物测试
5.2 GPS + 北斗定位模块功能测试
5.3 体温传感器功能测试
5.4 心率传感器功能测试
5.5 运动传感器功能测试
5.6 通信模块功能测试
5.7 显示功能测试
第 6 章 总结与展望
6.1 总结
6.2 展望
致谢
参考文献
附录
附录一：原理图
附录二：PCB
附录三：主程序
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