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自动灌溉装置的设计
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 0808020123 0808020154 0808020136
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
目 录
设计的任务与要求·························································2
总体设计和系统框图·······················································2
设计方案·································································3
3.1 各单元模块功能介绍····················································3
3.1.1 最小系统 ························································3
3.1.2 传感器电路·······················································4
3.1.3 电磁阀驱动电路···················································5
3.1.4 显示电路·························································6
3.1.5 报警电路·························································6
系统仿真和调试···························································7
4.1 PROTEUS简介···························································7
4.2 系统仿真······························································7
4.3 程序清单······························································8
4.3.1 温湿度传感器程序·················································8
4.3.2 LCD显示程序······················································14
设计结果分析····························································16
5.1 系统实现功能·························································16
5.2 元器件清单···························································16
设计总结和体会··························································16
6.1 设计分工和总结·······················································16
6.2 总体总结·····························································17
参考文献································································18
1、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量来
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