CAJ | 학술논문

针对家用燃气热水器排烟气流速流量实时检测的需求，研究了基于文丘里效应的检测装置，设计了与燃气热水器排烟管相连接的文丘里管结构，开发了基于虚拟仪器平台LabVIEW的检测系统，应用硅膜片微差压式传感器检测文丘里管输出的差压信号，并对差压信号进行了标定实验，通过与数字风速风量仪进行检测对比试验，证明了检测装置的精度能达到应用要求，为未来在家用燃具、厨具等产品上研发低成本、高精度的气体流速流量实时检测装置奠定了基础。
침대가용연기열수기배연기류속류량실시검측적수구，연구료기우문구리효응적검측장치，설계료여연기열수기배연관상련접적문구리관결구，개발료기우허의의기평태LabVIEW적검측계통，응용규막편미차압식전감기검측문구리관수출적차압신호，병대차압신호진행료표정실험，통과여수자풍속풍량의진행검측대비시험，증명료검측장치적정도능체도응용요구，위미래재가용연구、주구등산품상연발저성본、고정도적기체류속류량실시검측장치전정료기출。
According to the detection requirement of gas velocity in exhaust pipe of water heater ,a kind of detecion device based on venturi effect had been researched.The venturi tube connected to the exhaust pipe of gas water heater,as well as the detection system based on LabVIEW,have been developed.The differential pressure from the venturi tube is detected by integrated silicon micro differential pressure sensor and calibrated in experiment.Compared to the result detected by digital anemometer,it proves the accuracy of the detection device introduced in this paper can meet the application requirements.This research have laid a solid foundation for the future development of gas velocity detector which applied in household appliance,with low cost and high precision.