基于单片机的温度报警器  

Temperature alarm based on MCU

作　　者：柳文静[1] Liu Wenjing(Jianghai Polytechnic College,Yangzhou Jiangsu,225101)

机构地区：[1]江海职业技术学院

出　　处：《电子测试》2020年第3期5-7,共3页Electronic Test

摘　　要：本论文介绍了一种基于单片机的温度报警系统,本设计由STC89C52单片机担当主控芯片,DS18B20传感器为协调控制外围温度采集电路,并且辅以液晶显示器LCD屏显示温度和按键控制温度范围,主要完成的功能是对温度的实时采集以及显示,并且对温度设定一个范围值当温度不在这个范围值之内则利用蜂鸣器进行报警,其优点在于线路简单,测量精度高,误差小,抗干扰性强,体积小,实用性强等。This paper introduces a kind of temperature alarm system based on single chip microcomputer.STC89 C52 single chip microcomputer is used as the main control chip in this design.DS18 B20 sensor is used to coordinate and control the peripheral temperature collection circuit,and LCD screen is used to display the temperature and key to control the temperature range.The main function is to collect and display the temperature in real time,and set a standard for the temperature When the temperature is not within the range,the buzzer is used to alarm.The advantages of the buzzer are simple circuit,high measurement accuracy,small error,strong anti-interference,small volume and strong practicability.

关 键 词：温度计 温度传感器 单片机 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构] TP212.11[自动化与计算机技术—计算机科学与技术]