文档介绍：摘要在当今的生活中,传统的水银温度计有着很多大大小小的缺点,虽然它价格低、性能稳定,但是它精度低、测量时间长、不安全等缺点,给我们带来了众多麻烦和不便。红外线测温仪集快速、准确、安全、方便可靠等众多优点于一身,很快便被越来越多的人们所认知和接受。本文根据红外线测温的原理,以STC89C52单片机作为核心控制部件,控制系统运行,结合TN901红外测温模块,搭配液晶显示器实现测温。本文大致介绍了这套系统的构成和实现方式,给出硬件、软件方面的设计流程。此系统主要由光电探测部分、系统运行部分和显示输出部分等组成:由TN901进行红外辐射采集,传入单片机,经由单片机处理转换为电信号,并在液晶模块中显示出来。关键词:红外线测温STC89C52TN901AbstractIntoday'slife,thetraditionalmercurythermometerhasmanylargeandsmallfaults,althoughitspriceislow,performanceisstable,butitslowprecision,measurementtime,uneasycongruentfaults,,accurate,safe,convenientandreliable,andmanyotheradvantagesinone,,STC89C52single-puterascorecontrolunit,binedwithTN901infraredtemperaturemeasurementmodule,,,anddisplayoutputsectionssuchas:infraredradiationbyTN901collection,puter,processedbysingle-puterisconvertedtoelectricalsignals,....................................................................................................................................................................................................................................................................................................................................................................................................................................................................22系统总体设计............................................................................................................................................................................................................................................................................................