超声波时差法流量监测系统在三岔水文站中的应用

Application of ultrasonic time difference flow monitoring system at Sancha Hydrological Station

社会经济发展对水文水生态安全流量精准监测成果需求的日益增长,对水文工作提出了更高更新的要求。三岔水文站运用GUYU28-2000W-L超声波时差法流量计设备性能与原理,通过与缆道流速仪法、水平式ADCP比测,并对成果数据进行分析,探讨自动监测系统技术应用的可行性与优越性。

With the increasing demand of social and economic development for precise monitoring results of hydro⁃logic ecological security flow,there are higher and updated requirements for hydrological work.An introduction was made on the performance and principle of GUYU28-2000W-L ultrasonic time difference flow metering device which was used at Sancha Hydrological Station.Comparative measurement was conducted with cable flow velocity meter and horizontal ADCP.The comparative measuring results were analyzed.The application feasibility and ad⁃vantages of automatic monitoring technology were discussed.