设计说明书
总字数：26000+
基于STM32的体温检测计设计
摘要
在日常健康自检、公共场景体温筛查等民用监测场景中，人体体温是评判身体健康状态、筛查异常体征的核心指标。传统人工测温及常规手持测温设备存在测温距离无校验、监测提示单一、阈值固定、异常预警滞后、无法远程数据传输与管控等缺陷，依靠人工观测判断的静态测温方式难以实现智能化、精准化的体温监测。本文提出一种基于STM32单片机的智能体温检测计设计方案。系统集成非接触红外体温采集、超声波距离检测、本地人机交互、自定义阈值调节、语音播报提示、声光异常预警、4G远程数据传输与移动端参数管控等核心功能。通过红外测温模块、超声波测距模块实时采集人体体温数据与测温距离数据，将采集参数与用户预设的温度上下限、距离最小值安全阈值自动比对；当人体体温超出安全区间、测温距离不达标时，设备即时触发CN-TTS语音播报与本地声光报警，快速提示监测异常。系统搭载独立功能按键，支持手动开启测温检测，同时可自定义调节体温上下限阈值与距离最小阈值，搭配OLED显示屏实时本地展示体温与测距全部监测数据；同时通过4G通信模块将实时监测数据同步传输至手机移动端，体温异常时自动向手机发送短信提醒，且支持手机端远程修改温度与距离监测阈值。本系统有效解决传统测温设备精准度不足、交互性差、预警方式单一、无法远程管控的痛点，实现人体体温与测温距离的自动化检测、多维度异常预警、移动端远程可视化管控，大幅提升民用体温监测的智能化与便捷性，具备良好的民用应用价值与推广前景。
关键词：STM32单片机；体温检测；超声波测距；语音预警；4G远程管控
In civil monitoring scenarios such as daily health self-inspection and public scene temperature screening, human body temperature is a core indicator for evaluating physical health status and screening abnormal signs. Traditional manual temperature measurement and conventional handheld temperature measurement equipment have defects such as uncalibrated temperature measurement distance, single monitoring prompt, fixed threshold, delayed abnormal early warning, and inability of remote data transmission and management. The static temperature measurement method relying on manual observation and judgment cannot realize intelligent and accurate body temperature monitoring. This paper proposes a design scheme of intelligent body temperature detector based on STM32 microcontroller. The system integrates core functions including non-contact infrared body temperature collection, ultrasonic distance detection, local human-computer interaction, custom threshold adjustment, voice broadcast prompt, acousto-optic abnormal early warning, 4G remote data transmission and mobile terminal parameter management. The infrared temperature measurement module and ultrasonic distance measurement module are used to collect real-time human body temperature data and temperature measurement distance data, and the collected parameters are automatically compared with the user-preset safety thresholds of upper and lower temperature limits and minimum distance. When the human body temperature exceeds the safe range or the temperature measurement distance does not meet the standard, the device will immediately trigger CN-TTS voice broadcast and local sound and light alarm to quickly prompt monitoring abnormalities. Equipped with independent function keys, the system supports manually starting temperature measurement, and can customize and adjust the upper and lower limit thresholds of body temperature and the minimum threshold of distance. The OLED display screen is matched to locally display all real-time monitoring data of body temperature and distance measurement. Meanwhile, real-time monitoring data are synchronously transmitted to the mobile terminal through the 4G communication module. Short message reminders will be automatically sent to the mobile phone when body temperature is abnormal, and remote modification of temperature and distance monitoring thresholds is supported on the mobile terminal. This system effectively solves the pain points of traditional temperature measurement equipment such as insufficient accuracy, poor interactivity, single early warning mode and inability of remote management. It realizes automatic detection of human body temperature and temperature measurement distance, multi-dimensional abnormal early warning and remote visual management on mobile terminals, greatly improves the intelligence and convenience of civil body temperature monitoring, and has good civil application value and promotion prospects.
Keywords: STM32 Microcontroller; Body Temperature Detection; Ultrasonic Ranging; Voice Early Warning; 4G Remote Management
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