基于单片机的防水型温度智能监控系统摘 要:本文设计了一种由 STC89C52 单片机和防水温度传感器构成的温度智能监控系统，温度信号由防水型温度传感器 DS18B20 采集，并以数字信号的方式传送给单片机。本文介绍了该控制系统的硬件部分,包括：温度检测电路、温度控制电路、PC 机与单片机串口通信电路和一些接口电路 .单片机通过对信号进行相应处理，从而实现温度控制的目的.本文还着重介绍了软件设计部分,在这里采纳模块化结构，主要模块有：液晶显示程序、键盘扫描及按键处理程序、温度信号处理程序、超温报警程序。本设计具有显示直观、读取方便、电路简洁、功能多样等诸多优点，可应用于多种平台,具有宽阔的市场前景。关键词：STC89C52 防水型温度传感器串口通信 温度控制 DS18B20Waterproof Microcontroller—basedTemperature Intelligent Monitoring SystemAbstract:Designed a the STC89C52 microcontroller and the water temperature sensor temperature intelligent control system， the temperature signal collected by the water temperature sensor DS18B20 ， and the way of a digital signal sent to the microcontroller 。 This article describes the hardware part of the control system ， including： temperature detection circuit， the temperature control circuit, the PC and the microcontroller serial communication circuit and a number of interface circuits 。 MCU through signal processing in order to achieve the purpose of temperature control。 The article also focuses on software design， modular structure, where the main modules are: LCD program, scanning the keyboard and key processes, the temperature signal handler ， over—temperature alarm program 。 This design with intuitive， easy to read display， simple circuit, functional diversity and many other advantages, can be applied to multiple platforms， and has broad market prospects。Keywords:STC89C52 water temperature sensor serial communication temperature controlDS18B20目录1 绪论 31 。 1 温度控制讨论的现状 3...
