仓库多点温度监控系统设计—-硬件系统设计摘要本文设计和构建了仓库温度多点检测系统,主要用于实时监测仓库中的温度,并能有效地对仓库的温度进行自动监测调节。本设计以 AT89C51 单片机为核心的温度控制系统的工作原理和设计方法.温度信号由温度芯片 DS18B20 采集,并以数字信号的形式传送给 51 单片机。文中着重介绍了该控制系统的硬件部分其中主要包括:温度检测电路、温度报警电路、温度显示电路等、温度调节电路以及单片机的一些相关电路.单片机最后通过对信号进行相应处理,从而实现温度控制的目的。关键词: 温度;AT89C51 单片机;DS18B20 温度芯片;温度检测;温度调节 Abstract In this paper, the design and construction of the warehouse temperature multi-point detection system are mainly used for real—time monitoring of the temperature in the warehouse, and can effectively be used for the warehouse temperature automatic monitoring and regulation。 The working principle and design method of the design AT89C51 microcontroller as the core temperature control system. The temperature signal by the temperature chip DS18B20 acquisition, and transmitted by digital signal to 51 single chip microcomputer. This paper mainly introduces the control system hardware, including: temperature detection circuit, temperature alarm circuit, temperature display circuit , temperature control circuit and some related circuit of microcon -troller 。 Microcontroller finally achieves the purpose of temperature control through the corresponding processing to the signal。Keywords: temperature; AT89C51 microcontroller ; DS18B20 temperature chip; temperature measurement; temperature control一、前言温度是一个和人们生活环境有着密切关系的物理量,也是一种在生产、科研、生活中需要测量和控制的重要物理量,是国际单位制七个基本量之一,同时它也是一种最基本的环境参数。人民的生活与环境温度息息相关,物理、化学、生物等学科都离不开温度。 我们知道粮食在存储期间,由于环境、气候和通风条件等因素的变化,粮仓...