空气湿度气象动态观测校准仪设计

Design of a Calibration Instrument for Air Humidity Meteorological Dynamic Observation

以同时获取标准值与被测传感器的温度、大气压力及相对湿度的动态测试数据为设计思路,设计了一款空气湿度气象动态观测校准仪,该仪器通过测量电路、信号采集电路、运算电路、显控电路及通信电路的设计,实现了连续获取标准值与被测值的温度、湿度和大气压力的实时动态监测数据的数值和时间曲线的显示功能。模拟信号-数字信号的A/D转换及电路的集成设计实现了设备的便携,显示终端的数据处理模式实现了湿度计量的专业应用。

With the design idea of simultaneously obtaining the standard value and the dynamic test data of temperature, atmospheric pressure and relative humidity of the measured sensor, a meteorological dynamic observation calibration instrument for air humidity was designed.Through the design of measuring circuit, signal acquisition circuit, operation circuit, display control circuit and communication circuit, the instrument has realized the continuous acquisition of the standard value and the measured value of temperature, humidity and atmospheric pressure of real-time dynamic monitoring data value and time curve display function.The A/D conversion of analog signal to digital signal and the integrated design of the circuit realized the portability of the equipment, the data processing mode of the display terminal realized the professional application of humidity measurement.