Isiteshi esivulekile seLanry QSD6537i-flowmeter, efaniswe nesibali sokugeleza kwe-DOF6000, iyithuluzi elithuthukisiweukugeleza kwesivinini sendawoIdivayisi yokuqapha ethuthukiswe ngokuhlanganyela yiLanry Instruments kanye ne-Unidata. Ngokungafani nama-flowmeter avamile avulekile asebenzisa ama-weirs noma ama-flume, leli thuluzi lisebenzisa indlela yejubane lendawo njengethiyori yalo yokulinganisa eyinhloko, kuhlanganiswe nobuchwepheshe be-ultrasonic Doppler ukuze kufezwe ukulinganiswa okunembile kokugeleza eziteshini ezivulekile, emifuleni yemvelo kanye namapayipi agcwele ingxenye. Liqeda isidingo sokufakwa kwezakhiwo zokugeleza okuyinhloko futhi linikeza ukusebenza okuzinzile kumaphrojekthi okuqapha amanzi angcolile, amanzi okunisela kanye namanzi angaphezulu.
Iukugeleza okuyisisekeloIfomula yokubala yale mishini ilandela i-hydromechanics: Q = V × A, lapho u-Q emele izinga lokugeleza kwevolumu, u-V umele ijubane elimaphakathi loketshezi, kanti u-A ubhekisela endaweni yesiteshi emanzi ngesikhathi sangempela. Ukuze uthole inani lokugeleza kokugcina, inzwa iqeda imisebenzi emibili yokulinganisa eyinhloko ngasikhathi sinye: ukubamba ijubane loketshezi nokuthola ukujula kwamanzi, kuyilapho isibali sokugeleza esisekelayo sibala indawo yesiteshi esheshayo kanye nokugeleza okuqongelelekayo ngokusekelwe kumapharamitha wejiyometri yesiteshi.
Ukulinganiswa kwejubane loketshezi kuncike kusimiso se-ultrasonic Doppler ngobuchwepheshe bokusampula ama-quadrature. Inzwa ehlanganisiwe ye-QSD6537 idlulisela ama-pulse e-ultrasonic aqhubekayo ku-amanzi agobhozayongokusebenzisa indlu evalwe nge-epoxy. Izinhlayiya ezincane ze-sediment ezilengisiwe kanye nama-bubbles omoya amancane athwalwa oketshezini abonisa izimpawu ze-ultrasonic emuva ku-transducer eyakhelwe ngaphakathi. Lapho amanzi egeleza, igagasi elibonakalayo lidala ukushintsha kwemvamisa, okwaziwa ngokuthi i-Doppler shift. Imojula ye-DSP yangaphakathi enesivinini esikhulu ihlaziya ukuphambuka kwemvamisa futhi iguqula isignali ibe yisivinini sokugeleza kwesikhathi sangempela. Inzwa isekela ukutholwa kwejubane eliqondiswe kabili, okwenza kufaneleke emifuleni yamaza kanye namapayipi okudonsa amanzi ane-reverse.izimo zokugelezaIbanga layo elilinganiselwe lejubane lihlanganisa u-0.02 m/s kuya ku-13.2 m/s, okwanelisa kokubili ukukhishwa kwendle ngesivinini esiphansi kanye nokuqapha ukugeleza komfula okusheshayo.
Ukuze kutholakale ukujula kwamanzi, i-QSD6537 isebenzisa izindlela ezimbili zokulinganisa eziphindaphindwayo ukuze kuthuthukiswe ukuzivumelanisa nezimo zemvelo. Indlela yokuqala ukulinganisa ukujula kwengcindezi ye-hydrostatic, kubalwa ukujula kwamanzi ngokwehlukahluka kwengcindezi okwenziwa yikholomu yamanzi. Isixazululo sesibili sisebenzisa indlela yokulinganisa ye-ultrasonic ukuthola ibanga phakathi kwenzwa kanye nobuso bamanzi. Abasebenzisi bangakhetha noma bahlanganise izindlela ezimbili zokulinganisa ukujula ngokwezimo zendawo. Isinxephezelo sokushisa esakhelwe ngaphakathi kanye nama-algorithm okulungisa ingcindezi anciphisa ngempumelelo amaphutha okulinganisa abangelwa ukushintshashintsha kwezinga lokushisa kanye nokushintsha kwengcindezi yomoya. Ngaphezu kwalokho, inzwa yokuthambekela yangaphakathi ilinganisa ngokuzenzakalelayo amaphutha okuphambuka uma inzwa ifakiwe nge-engeli ethambekele.
Ubuchwepheshe obusha obuvelele bohlelo lwe-QSD6537 busemsebenzini walo wokumodela wesigaba esiphambene.Isibali sokugeleza se-DOF6000Isekela amaphuzu okuxhumanisa afinyelela ku-20 ukuchaza amaphrofayili eziteshi ezingajwayelekile, kufaka phakathi iziteshi ze-trapezoidal, amapayipi ayindilinga agcwele ingxenye kanye nezingxenye zomfula ezigobile zemvelo. Ngemva kokungenisa idatha yokuxhumanisa yemingcele yeziteshi, isibali sibala ngokunamandla indawo emanzi yesikhathi sangempela ehambisana nokujula kwamanzi okulinganisiwe. Lo mklamo wandisa kakhulu izimo zokusetshenziswa, ikakhulukazi emifuleni yamanzi yemvelo kanye namapayipi amadala okudonsa amanzi anezingxenye ezingavamile lapho ama-flume ajwayelekile engenakufakwa khona.
Ngale kokuqapha ijubane nokujula, i-probe ehlanganisiwe ingaqoqa ukuhanjiswa kwamanzi kanye nokushisa okuphakathi ngendlela efanayo, inikeze idatha yekhwalithi yamanzi esekelayo yokuqapha imvelo. Indlu ye-epoxy ye-IP68 evalwe ngokuphelele ivumela ukusebenza kwamanzi isikhathi eside ngokulungiswa okuncane.
Ngamafuphi, iI-Lanry QSD6537I-flowmeter yesiteshi esivulekile ihlanganisa ngokwemvelo ukulinganiswa kwejubane le-Doppler ye-ultrasonic, ukutholwa kokujula kwemodi ekabili kanye nokuhlelwa kwesigaba esinqunyiwe okusekelwe kusimiso sejubane lendawo. Njengoba ingenamikhawulo yokufakwa kwe-weir kanye ne-flume, uhlelo luhlinzeka ngesisombululo esiguquguqukayo nesithembekile sokuhlola amanzi, ukuqapha amanzi amdaka kamasipala, ukunisela kwezolimo kanye nokuphathwa kwedolobha lesiponji, okwenza kube ithuluzi elithandwayo lokulinganisa ukugeleza kwesiteshi esivulekile sensimu emhlabeni jikelele.
Isikhathi sokuthunyelwe: Agasti-04-2026