基于DHT90的智能湿度计研制  

Development of intelligent hygrometer based on DHT90

作　　者：刘选朝[1] 刘小龙[1] 张乃禄[1] 

机构地区：[1]西安石油大学电子工程学院,陕西西安710065

出　　处：《西安石油大学学报（自然科学版）》2010年第3期89-92,共4页Journal of Xi’an Shiyou University（Natural Science Edition）

基　　金：陕西省自然科学基金项目(编号:2007D01)

摘　　要：讨论了基于DHT90温湿度传感器的测量原理,介绍了基于DHT90的智能湿度计的接口、温湿度数据传输以及硬件与软件设计.智能湿度计控制以C8051F330单片机为核心,采用非线性校正和温度补偿算法,实现了湿度的智能化、快速准确测量.该仪器测量精确度高、响应速度快、结构简单,在石油化工等行业有广泛的应用价值.The measurement principle of the temperature and humidity sensor based on DHT90 is discussed.The interface,the temperature and humidity data transmission and the hardware and software design of the intelligent hygrometer are also discussed.Microcontroller C8051F330 is the control core of the intelligent hygrometer.It achieves to the fast and accurate intelligent measurement of the humidity by using non-linear calibration and temperature compensation algorithm.The instrument has high measurement precision,fast response and simple structure.It has widely been applied in petrochemical and other industries.

关 键 词：智能控制湿度计 传感器 单片机 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置]