基于DS18B20的多点温度采集系统设计  

Design of Multi-point Temperature Acquisition System Based on DS18B20

作　　者：叶小乐 

机构地区：[1]岭南师范学院网络与信息技术中心

出　　处：《电子世界》2017年第16期100-102,共3页Electronics World

基　　金：岭南师范学院自然科学基金项目(L1211)

摘　　要：以DS18B20数字温度传感器和AT89C52单片机为核心,设计了一种多点温度采集系统。系统由DS18B20温度采集模块、RS-232串口通信模块、LCD1602液晶显示模块和声光报警等模块组成。给出了系统的具体硬件电路与程序设计,实现了对多点温度的采集、显示、传输和异常报警。系统可以广泛应用于粮仓、温室大棚等农业生产领域,具有广阔的应用前景。A multi-point temperature acquisition system is designed based on DS18b20 digital thermometer and AT89C52 MCU.The system consists of temperature acquisition module, RS-232 serial communication module, LCD1602 module, voice and light alarm module.The design method of concrete hardware and software of the system is given, and the system realizes the acquisition, indication, transmission and abnormal alarm of multi- point temperature.The system can be widely applie in agriculture domain such as granary, green house and so on, it has wide application prospects.

关 键 词：温度采集 DS18B20 单片机 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]