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요약정보
一种简易水位报警装置的制作与应用
Resource Type
Academic Journal
Authors
李德松
;
陈旭扬
;
陈华喜
Source
物理教学探讨 / Journal of Physics Teaching
. 38(11):34-35
Subject
水位报警装置
单片机
液位传感器
蜂鸣器
Language
Chinese
ISSN
1003-6148
Online Access
Full Text (CAJ - 교육/사회)
초록
文章详细介绍了一种简易水位报警装置的制作原理、制作方法及在中学物理兴趣教学中的应用.该水位报警装置是以AT89C51单片机为核心,对FC-37液位传感器采集到的模拟信号经过放大整形后输入单片机,单片机将模拟信号转化为数字信号后传递给蜂鸣器.当水位低于液位传感器的感应板时,液位传感器输出水平信号,此时单片机就会将信号传递给蜂鸣器报警,感应板浸入水中时蜂鸣器不报警.同时,该装置还利用单片机系统内部定时器来计时,显示屏用于显示事先预设的水减少量以及水量减少时间.使用时,可以通过按键电路设置水减少量和水量减少时间,当水葙内的水位低于液位传感器的位置,或时间超过预设时间,或水减少量超过预设的量时,蜂鸣器将会自动报警.
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