Differential pressure type flow temperature sensor structure based on venturi tube and measuring method

The invention provides a differential pressure type flow temperature sensor structure based on a venturi tube and a measuring method, and relates to an improved flow temperature sensor. According to the flow temperature sensor structure, the sensor can measure the temperature, pressure and flow of air in a pipeline at the same time, the product structure is compact, good matching performance withthe pipeline is achieved, and installation is convenient; all parts are firmly connected, and the reliability is high; temperature compensation is adopted, so that the measurement precision is high; flow measurement is converted into temperature and pressure measurement, so that the feasibility of flow measurement is greatly enhanced, and the application range of the flow temperature sensor is expanded. 本发明提供一种基于文丘里管的差压式流量温度传感器结构及测量方法，是一种改进型的流量温度传感器。提供一种流量温度传感器结构，传感器可同时测量管路内空气的温度、压力和流量，产品结构紧凑，与管路有良好的匹配性、安装方便；各部件连接紧固，可靠性高；采用了温度补偿，测量精度高；将流量测量转换成了温度和压力的测量，从而极大地增强了流量测量的可行性，拓展了流量温度传感器的使用范围。