毕业设计单片机温度巡检仪设计.doc

单片机温度巡检仪设计 PAGE 27 目 录 摘 要·····································································································1 第一章 概述···························································································2 1.1温度概况······················································································2 1.2课题的提出···················································································2 1.3本文的主要研究内容·······································································3 第二章 系统的总体设计···········································································4 2.1系统的总体设计思想········································································4 2.2方案论证与选择··············································································4 2.3 系统设计技术的关键·······································································6 第三章 系统的硬件设计···········································································7 3.1 系统的整体结构设计·······································································7 3.2 温度巡检仪的硬件构成····································································7 第四章 计算与软件实现··········································································16 4.1 热电阻的线性化处理······································································16 4.2 信号放大及滤波电路······································································18 4.3 热电偶的冷端补偿········································································19 4.4 整体程序····················································································20 第五章 总结··························································································26 谢 辞···································································································27 参考文献·······························································································28 单片机温度巡检仪设计 摘要：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