单片机温度巡检仪设计(doc毕设论文)

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1、单片机温度巡检仪设计目录摘要·····································································································1第一章概述···························································································21.1温度概况·······························

2、·······················································21.2课题的提出···················································································21.3本文的主要研究内容·······································································3第二章系统的总体设计·········

3、··································································42.1系统的总体设计思想········································································42.2方案论证与选择··············································································42.3系统设计技术的

4、关键·······································································6第三章系统的硬件设计···········································································73.1系统的整体结构设计·······································································73.2温度巡检

5、仪的硬件构成····································································7第四章计算与软件实现··········································································164.1热电阻的线性化处理······································································1629单片机温

6、度巡检仪设计4.2信号放大及滤波电路······································································184.3热电偶的冷端补偿········································································194.4整体程序·····································································

7、···············20第五章总结··························································································26谢辞···································································································27参考文献······························

8、·································································28单片机温度巡检仪设计摘要：29单片机温度巡检仪设计本课题针对温度检测仪表的技术要求，设计了一种16路温度检测仪。该仪表可以检测多个测试点的温度，由于采用了热电阻的三线制接法和热电偶的冷端补偿并结合单片机的应用，所以该装置不仅具有精度高、功耗低的优点，还可以及时显示和选择显示，操作使用方便。在硬件上我们采用热电阻和热电偶结合使用的方式，通过三线制接法和