基于单片机STC89C52温湿度测控系统的设计  

Design of Temperature and Humidity Measurement and Control System Based on STC89C52

作　　者：于军[1] 隋韧锋 

机构地区：[1]吉林化工学院信息与控制工程学院,吉林吉林132022 [2]吉林市特种设备检验中心蛟河检验所,吉林蛟河132500

出　　处：《吉林化工学院学报》2012年第11期113-116,共4页Journal of Jilin Institute of Chemical Technology

摘　　要：温湿度测控系统以单片机STC89C52为核心控制器,采用温湿度传感器SHT71为测量元件,由温湿度传感器、键盘、液晶显示、实时时钟电路、报警电路、执行电路、串口通讯电路等组成.详细介绍了硬件电路的设计,通过系统软件、硬件联机调试,实现了对环境温湿度的测量.实践证明,该系统电路简单、工作稳定、集成度高、调试方便、测量精度高,具有一定的实用价值,能达到对环境温湿度测量要求.The temperature and humidity measurement and control system regards Single Chip Microcomputer STC89C52 as the core controller. It adopts the temperature and humidity sensor SHT71 as the measuring element, and is composed of the temperature and humidity sensor, keyboard, liquid crystal display, real time clock circuit, the alarming circuit, executive circuit, communication circuit etc. The hardware circuit of system is introduced in detail in this paper. Through the software and hardware of system on-line debugging, the measure of the environmental temperature and humidity are realized. It is proved that the system circuit is simple, stable, high integration, debugging convenient, high measuring precision and certain practical value. The system can meet the demand of the environmental temperature and humidity measurement.

关 键 词：温湿度 SHT71 STC89C52 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]