单片机在温度测控系统中的应用  

Application of MCU in temperature monitoring system

作　　者：魏延萍[1] 

机构地区：[1]宝鸡文理学院物理与信息技术系,宝鸡721007

出　　处：《信息技术》2011年第9期144-145,148,共3页Information Technology

摘　　要：设计了一种利用单片机和PC机实现对温度实时测控的系统。硬件以单片机AT89S52为核心,DS18B20数字温度传感器为温度采集器件,设计了温度测控电路、报警电路、上下位机通讯电路。软件给出了主程序流程图的设计。实验证明,该系统能实时监控环境温度,并具有报警功能,具有一定的实用性。A real time temperature monitoring system implemented by MUC and PC is designed.The hardware uses AT89S52 MCU as mainly chip,digital thermal sensor DS18B20 as temperature acquisition device,this paper designs the circuits of the temperature monitoring,alarm and communication between MCU and PC.Taking practical test,the system can monitor ambient temperature in real time and has alarm function with a certain practicality.

关 键 词：单片机 DS18B20 PC机 温度 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]