温度的采集与控制课程设计

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1、哈皮温度的采样与控制温度的采样与控制课程设计说明书课程设计名称：单片机技术课程设计题目：温度采样与控制学院名称：信息工程学院专业：电子信息工程班级：学号：姓名：评分：教师：2015年7月4日哈皮温度的采样与控制温度的采样与控制专业课程设计任务书2014－2015学年第2学期分散1周第16周－18周集中题目温度的采集与控制内容及要求（1）、采用PT－100温度传感器测温（2）、采用MC14433A/D转换器（3）、测温范围：0℃-500℃，分辨率为±1℃（4）、当采集温度超过500℃时能用继电器控制一LED发光管亮。进度

2、安排1.布置任务、查阅资料、选择方案：2天；2.画原理图、仿真：3天；3.领元器件、制作、焊接：3天4.模块训练：2天5．编写代码调试：2天6.综合测试和验收：1天7.提交报告：2014~2015学年第二学期16--18周学生姓名指导时间：第16--18周指导地点：E楼504室任务下达2015-06-15任务完成考核方式1.评阅√□2.答辩√□3.实际操作√□4.其它√□指导教师系（部）主任注：1、此表一组一表二份，课程设计小组组长一份；任课教师授课时自带一份备查。2、课程设计结束后与“课程设计小结”、“学生成绩单”一

3、并交院教务存档。哈皮温度的采样与控制温度的采样与控制摘要本系统将单片机应用于温度控制。系统采用模拟温度传感器PT--100作为测温元件，将温度采集的模拟电压信号经LM324放大器差分放大后传递给MC14433模数转换器。MC14433模数转换器将采集得到的模拟信号转换成数字信号传至STC89C51单片机的I/O口。STC89C52将数字信号处理后，发送给具有串行接口的HD7279,驱动3位共阴式数码管。它具有0～500℃范围的温度测量的能力，并且通过继电器连接电路可以实现超温报警功能。关键词：LM324，MC14433

4、，STC89C52，HD7279，继电器。哈皮温度的采样与控制温度的采样与控制目录前言·····································································1第一章设计内容及设计要求····················21.1温度的采集与控制·················································2第二章硬件系统设计···························32.1系统工作原理·········

5、············································32.2单片机介绍·······················································42.3复位电路·························································52.4晶振电路·························································52.5电桥与放大电路·············

6、······································62.6AD转换电路······················································72.7HD7279哈皮温度的采样与控制温度的采样与控制显示电路··················································102.8报警电路·························································12第三章软件系统设计·

7、·························133.1程序设计思路·····················································13第四章设计及调试分析·····················154.1电路的焊接·······················································154.2实验的调试及结果分析··········································15第五章实验结论和体会······

8、··································16参考文献························································17附录一····················································18附录二········