测控一体化闸门在扬黄渠道测流中的改进措施

打开文本图片集

中图分类号：S277.9 文献标志码：A 文章编号：2095-2945（2025）25-0157-05

Abstract：DuringtheautomatictransformationofthestraightopeningoftheGuhaiLiftIrigationMainCanal，thereisa certainerrorbetween themeasurementandcontrolintegratedgateinstaled.Inordertoimprovetheflowmeasurementaccuracy oftheultrasonicflowmeterinthefrontmeasuringboxoftheintegratedmeasurementandcontrolgate，thestraightopeninggate ofthechanelandthewatermeasurementfacitiesareseparatedandimproved.Thegatecontrolstheflowofthebucketcanal. Anultrasonicmeasuring troughisinstaledonthebucketcanal.Theultrasonictransducerembeddedonthesideofthe measuringtroughandtheultrasonicliquidmeterabove themeasuring trough jointlymeasuretheflowofthebucketcanal.The testshowsthatusingthegatetocontroltheflowandmeasuringtheflowinthechanelseparately，thewaterflowinthe chanelisstable.Setingthemeasuringchannelonthechannelcanimprovetheacuracyofflowmeasurementatthestraight opening，andatthesametime，thecontrolofthegate，datamonitoringandflowcalculationandanalysiswillnothaveimpact. Throughthereconsructionof the T3O6bucketmouthof Tongxin ThreeMain Canal，themeasurementaccuracywascompared underdiferentworkingconditions，andthemeasurementerormettheautomaticflowmeasurementstandardofthebucketmouth canal in the irrigation area.

Keywords：integratedmeasurementandcontrol;gate;YellowRiverliftirigationcanal;ultrasonictransducerflowmeasurement

新中国成立以来，我国开始对渠道进行流量测流和计量，从最初利用渠道断面进行测流，到后来利用已建成的水闸、堰槽和量水设施等水工建筑物进行量测水，随着社会的发展测量水的精度和设备的先进性都得到提升，到目前利用超声波流量计、电磁流量计等自动化测流设备进行测流，对流体的测量计量技术发生了根本性的变化。（剩余6535字）