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总字数：14700+
摘 要
伴随着科学技术的发展，人们的生活质量也得到大幅度的提升，人们对生活用品的质量和精度要求也越来越高。针对目前市面上都是接触式人体温度检测，比如现在很多医院还在使用水银测温，虽然对人体的温度检测较为准确，但是水银测温计不小心打破，流出来的汞蒸气对人们的身体有害，而且污染环境。设计一款安全的，没有污染的，非接触的测温系统就显得很重要了。
本设计以STM32单片机为核心设计的一款红外测温系统。该系统包括单片机最小系统、红外非接触测温MLX90614、颜色检测电路等，非接触测温MLX90614用来检测人体的温度、颜色检测电路检测是否佩戴口罩；红外对管检测当前是否有人，蜂鸣器报警用来提醒当前检测者的温度不在正常的范围内，按键可以根据具体情况进行人们此时正常的温度范围、显示屏显示当前检测的环境温度和人体的检测温度。语音电路，当检测到有人且计时3s后，语音播报当前检测温度及当前温度是否正常或者过高过低；当人体温度超过设定的阈值的时候进行报警提醒，并可以将检测的数据通过蓝牙传输到用户的手机上，而且该设计是非接触的,使用较为安全。
关键词：口罩识别；红外对管；非接触红外测温；语音播报；蓝牙
Abstract
With the development of science and technology, people’s quality of life has been greatly improved, and people’s requirements for the quality and precision of daily necessities are also increasingly high. For the current market is contact human temperature detection, such as now many hospitals are still using mercury temperature measurement, although the temperature detection of the human body is more accurate, but mercury temperature meter accidentally broken, the outflow of mercury vapor is harmful to people’s health, and pollution of the environment. It is very important to design a safe, non-pollution, non-contact temperature measuring system.
This design takes STM32 microcontroller as the core design of an infrared temperature measurement system. The system includes microcontroller minimum system, infrared non-contact temperature measurement MLX90614, color detection circuit, etc. Non-contact temperature measurement MLX90614 is used to detect the temperature of the human body, color detection circuit to detect whether to wear a mask; The buzzer alarm is used to remind the temperature of the current detector is not in the normal range. The button can carry out the normal temperature range of people at this time according to the specific situation. The display screen displays the current ambient temperature and the temperature of the human body. Voice circuit: when someone is detected and the timing is 3s, the voice will broadcast the current detection temperature and whether the current temperature is normal or too high or too low; When the temperature of the human body exceeds the set threshold, the alarm will be alerted, and the detected data can be transmitted to the user’s mobile phone through Bluetooth. Moreover, the design is non-contact and relatively safe to use..
Key words: mask recognition; Infrared tube; Non-contact infrared temperature measurement; Voice broadcast; bluetooth
目录
第一章 绪论
第二章 系统总体方案
第三章 硬件电路设计
第四章 系统程序设计
5.1 实物焊接
第六章 总结与展望
致 谢
参考文献
附 录
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