基于HMS红外传感器的体温测量仪设计

Design of Thermometer Based on HMS Infrared Temperature Sensor

目的:设计与研制一种基于红外传感器的数字体温计。方法:以CPLD作为核心芯片,设计一个非接触式的体温测量系统,传感器采用辉格科技公司的HMS系列红外传感器实现对人体温度信号的非接触采集与显示。结果:该体温计的测温范围为35～42℃,响应时间<2 s。结论:系统充分利用了CPLD芯片的I/O口多、软件可移植、系统升级方便等特点,具有较高的实用性和可靠性,成本低,功耗低,具有良好的应用前景。

Objective An system combining hardware and software is instructed for untouched temperature measure.Methods We use HMS infrared temperature sensor made by HuiGe technological company to collect hu man temperature signals.Results The temperature measurement range was from 35℃ to 42℃.The response time was less than 2 s.Conclusion The digital thermometer presented here has the features of convenient reading,large temperature measurement scope and high accuracy when compared with the traditional thermometer.