基于DS18B20的数字式温度计设计  

The design of digital thermometer based on DS18B20

作　　者：王玲芝[1] 李育贤[1] 

机构地区：[1]西安邮电学院自动化学院,西安710121

出　　处：《工业仪表与自动化装置》2011年第5期74-76,81,共4页Industrial Instrumentation & Automation

摘　　要：设计了以单片机STC89C52RC作为主控制器的数字式温度计。采用单线总线数字式温度传感器DS18B20采集环境温度,采用4位LED数码管显示。系统主要由主控制器、测温电路和显示电路组成,结合EDA软件仿真技术和在线编程技术实现温度的实时采集和显示,并通过硬件电路的验证。整个系统电路简单,测温准确,性能稳定。A digital thermometer is designed in which single-chip microcomputer STC89C52RC is its main controller.Single strand digital temperature transducer DS18B20 is used to collect temperature,and LED Four-in-one digital tube displays temperature.The system mainly consists of host controller,temperature measuring circuit,and displaying circuit.Combining EDA software technology and programming on-line technology,collection and display are carried out.And the hardware circuit is also passed validation.The whole circuit is simple,temperature measuring is accurate and the performance is stable.

关 键 词：数字温度计 STC89C52RC DS18B20 LED数码管 

分 类 号：TH811[机械工程—仪器科学与技术]