基于AT89C51的多点温度检测系统设计  

Design of Multi-point Temperature Detecting System Based on AT89C51

作　　者：王红玲[1] 白政民[1] 

机构地区：[1]许昌学院电气信息工程学院,河南许昌461002

出　　处：《现代电子技术》2010年第9期126-128,共3页Modern Electronics Technique

摘　　要：提出了一种以AT89C51单片机和DS18B20温度传感器为主要元器件的多点温度检测系统。首先给出系统的工作原理和软件流程图,并对系统主要电路,如温度测试电路、键盘及显示电路、电源电路等进行了设计。与传统的模拟测温系统相比,该系统硬件组成更加简捷、高效,抗干扰能力更加突出。A multi-point temperature detecting system taking AT89C51 single chip microcomputer and the digital temperature sensor DS18B20 as main components is introduced.The working principle and software flow chart of the system are presented.Its main circuits,including temperature detecting circuit,keyboard circuit,display circuit and power supply circuit,are designed.Comparing with the traditional analog temperature detecting system,the hardware composition of the system is more concise and efficient,and its anti-interference capability is stronger.

关 键 词：AT89C51 DS18B20 多点温度检测系统 温度检测 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]