基于单总线技术的矿用多点温度测量系统  

Multipoint Temperature Measurement system Based on one-wire Protocol

作　　者：周小军[1,2] 

机构地区：[1]西安电子科技大学雷达信号处理国家重点实验室,陕西西安710072 [2]甘肃工业职业技术学院电子工程系,甘肃天水741025

出　　处：《陇东学院学报》2011年第2期22-24,共3页Journal of Longdong University

摘　　要：单总线数字温度传感器具有直接的数字信号处理,采用总线供电,可在同一根总线上接多个传感器,构成多点测温网络,且具有微型化、低功耗、高性能易于与微控制器接口等优点。阐述了数字式温度传感器的功能特点及由DSl8B20组成的多点测量系统的硬件构成、软件设计。因系统布线简单、结构紧凑、体积小、重量轻、抗干扰能力强、性价比高、扩展方便,在大型仓库、工农业生产制造、气象观测、科学研究、以及智能化建筑等领域中有广阔的应用前景。One-wire temperature measurement sensor use bus as power can process digital signals directly,and can use more than one sensor on one bus.And make a network to measure temperature,The system has many advantages such as micro,low power use,higher property and strong anti-interference,convenient interface to microcontroller etc.The paper mainly describe the digital temperature sensor＇s function and it＇s character which is base on DS18B20 and by which the multi-point measurement system is made of.The system＇s hardware and its soft wore is also discussed.Because it＇s easy fixed,simple structure,small volume,light weight,and strong anti-interface.So it＇s widely used in many fields,such as big storehouse,industrial an agricultural manufacture,weather report,science teacher,an intelligence construct and etc.

关 键 词：单总线协议 DS18B20 温度测量 数字信号 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]