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ID:6792462
大小:1.02 MB
页数:25页
时间:2018-01-25
《毕业设计(论文)-pt100温度测量研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、苏州大学本科生毕业设计(论文)目录摘要·······················································(1)Abstract···················································(1)前言·······················································(1)第一章PT100·············································(2)1.1PT100阻值与温度的关系···················
2、···············(1)1.2PT100的各种接线方式····································(3)第二章ATmega16微处理器··································(4)2.1单片微机的发展-24-苏州大学本科生毕业设计(论文)··········································(4)2.2AVR单片机的特点········································(4)2.3AVR与51、PIC单片机的比较··················
3、············(5)2.4ATmega16的特性·········································(5)2.5ATmega16引脚说明·······································(8)第三章实验应用··········································(11)3.1恒流源的设计···········································(11)3.2A/D转换···········································
4、······(11)3.3PT100温度计算数据的处理································-24-苏州大学本科生毕业设计(论文)(14)3.4查表方法················································(17)第四章结论···············································(20)参考文献····················································(21)致谢·······························
5、·························(22)PT100温度测量研究摘要本文介绍了铂热电阻PT100的特性和PT100温度和阻值对应关系,采用16KB的8位AVR微控制器ATmega16协同工作。通过恒流源将采集到的信号转换成电压信号;再经过A/D转换成数字信号并由单片机系统读取;单片机系统把读取到的数字信号进行识别处理,并换算成与温度对应的数字信号,最后再由LCD显示输出温度值。关键字:PT100、温度测量、单片机-24-苏州大学本科生毕业设计(论文)AbstractThisthesisintroducesthefeaturesofplatinumtherma
6、lresistancePT100,andthecorrespondingrelationsbetweentemperatureandresistanceonPT100.Duringtheexperiment,a8bits(16kb)AVRmicrocontrollerATmega16isused.Thesignalistransformedintovoltagesignalthroughaconstant-currentsource;thenthevoltagesignalistransformedintodigitalsignalbyA/D,andreadbyasingl
7、echipsystem;afterthat,thesinglechipsystemputsthedigitalsignalintoarecognitionprocess,thentransformeditintoadigitalsignalwhichcorrespondstothetemperature.Intheend,thetemperaturevalueisdisplayedthroughaLCDscreen.Keywords:PT100、Temperaturemeasurement、SCM前言在工业生产过程
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