基于DHT90的智能湿度计研制

Development of intelligent hygrometer based on DHT90

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.