范文编号:DZXX104 范文字数:11547,页数:51 摘要 在农业生产中,对农作物的喷灌是十分重要的,为提高灌溉效率,往往需要对喷灌的时间、水量等参数作自动化的控制。本设计的目的在于提供一种能够检测环境参数,并可以定时喷灌的控制系统。整个系统是采用时钟芯片DS1302做时钟部分,用数字芯片DS18B20实现对环境温度的采集,控制核心AT89S52单片机接受时钟和温度信号,在LCD1602上显示出来。并根据时钟信号和采集到的温度参数控制喷灌时间和时长。次外,喷灌的时长还可以根据月份不同来进行调节。整个系统采取模块化设计,硬件电路结构简单;数据传输采用数字量,工作稳定可靠。
In agricultural production, spray irrigation of crops is very important. In order to enhance the efficiency of irrigation, the water sprinkler usually need an automation control of the time and the duration.. The purpose of this thesis is to provide a system that can irrigate at certain time, witch is determined by the environmental parameters that come from sensors. The system use DS1302 as main chip of its timing module, and DS18B20 as its temperature sensor. AT89S52 accept the timing and temperature signals, and show them on the LCD1602-a 16 by 2 LCD display. The time and duration of sprinkler irrigation is determined by the timing signal and the temperature parameters. The months also influence the duration of sprinkler irrigation. The system use modular design, the hardware circuit has simple structure, Data transmission use digital transmission, and work stability and exactly.
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