自动灌溉装置的设计.doc

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1、淮南师范学院电气信息工程系自动化专业电子课程设计报告自动化专业电子课程设计报告题目：自动灌溉装置的设计姓名钱倪友谢伟杰夏成毅学号080802012308080201540808020136指导教师：贾群评阅成绩等次：电气信息工程系2010-2011第二学期第20页淮南师范学院电气信息工程系自动化专业电子课程设计报告目录1.设计的任务与要求·························································22.总体设计和系统框图········································

2、···············23.设计方案·································································33.1各单元模块功能介绍····················································33.1.1最小系统························································33.1.2传感器电路··················································

3、·····43.1.3电磁阀驱动电路···················································53.1.4显示电路·························································63.1.5报警电路·························································64.系统仿真和调试···························································7第20页淮南

4、师范学院电气信息工程系自动化专业电子课程设计报告4.1PROTEUS简介···························································74.2系统仿真······························································74.3程序清单······························································84.3.1温湿度传感器程序······························

5、···················84.3.2LCD显示程序······················································141.设计结果分析····························································165.1系统实现功能·························································165.2元器件清单·············································

6、··············162.设计总结和体会··························································166.1设计分工和总结·······················································166.2第20页淮南师范学院电气信息工程系自动化专业电子课程设计报告总体总结·····························································171.参考文献·····················

7、···········································181、设计的任务与要求1主要研究单片机控制灌溉系统，分别对土壤湿度与灌溉控制技术及系统设备的软、硬件进行了研究。2根据自动灌溉系统装置特点，进行控制系统的整体研究和设计以及设备的选择（湿度传感器，单片机，A/D转换的选型设计，电磁阀），对输出信号进行处理，最后要进行必要的仿真。2、总体设计和系统框图通过土壤湿度传感器测出土壤的湿度，用A/D转换器将模拟信号转换成数字信号，数字信号一系列处理后传送到AT89C51单片机中，当信号达到要灌溉的标准后，给单片机输出一个开关

8、量来控制电磁阀，电磁阀控制喷水装置。第20页淮南师范学院电气信息工程系自动化专业电子课程设计报