Itshaneli evulekileyo yeLanry QSD6537i-flowmeter, ehambelana nesixhobo sokubala ukuhamba kwe-DOF6000, sisixhobo esiphucukileyoukuhamba kwesantya sendawoisixhobo sokujonga esiphuhliswe ngokudibeneyo yiLanry Instruments kunye neUnidata. Ngokungafaniyo nee-flowmeters zesiqhelo ezivulekileyo ezixhomekeke kwii-weirs okanye ii-flumes, esi sixhobo sisebenzisa indlela yesantya sendawo njengethiyori yaso yokulinganisa eyintloko, idityaniswe netekhnoloji ye-ultrasonic Doppler ukuze kufezekiswe umlinganiselo ochanekileyo wokuhamba kwamanzi kwiitshaneli ezivulekileyo, imilambo yendalo kunye nemibhobho ezaliswe kancinci. Sisusa imfuneko yokufakelwa kwezakhiwo eziphambili zokuhamba kwamanzi kwaye sinikezela ngokusebenza okuzinzileyo kwiiprojekthi zokujonga amanzi amdaka, amanzi okunkcenkceshela kunye namanzi angaphezulu.
Iukuhamba okusisisekoIfomula yokubala yesi sixhobo ilandela i-hydromechanics: Q = V × A, apho u-Q emele isantya sokuhamba kwevolumu, u-V umele isantya solwelo esiqhelekileyo, kwaye u-A ubhekisa kwindawo enqamlezileyo emanzi ngexesha langempela yetshaneli. Ukuze ufumane ixabiso lokugqibela lokuhamba, i-sensor igqiba imisebenzi emibini yokulinganisa ngaxeshanye: ukubamba isantya solwelo kunye nokufumanisa ubunzulu bamanzi, ngelixa isixhobo sokubala ukuhamba esixhasayo sibala indawo enqamlezileyo yeshaneli kunye nokuhamba okuqokelelweyo ngokusekelwe kwiiparameter zejiyometri zetshaneli.
Ukulinganiswa kwesantya solwelo kuxhomekeke kumgaqo we-ultrasonic Doppler oneteknoloji yesampulu ye-quadrature. I-QSD6537 integrated sensor idlulisela ii-ultrasonic pulses eziqhubekayo kwi-amanzi aqukuqelayongokusebenzisa indlu etywiniweyo ye-epoxy. Amasuntswana amancinci e-sediment axhonyiweyo kunye namaqamza omoya amancinci athwalwa kulwelo abonakalisa imiqondiso ye-ultrasonic ibuyela kwi-transducer eyakhelwe ngaphakathi. Xa amanzi ehamba, i-wave ebonakalisiweyo ivelisa i-frequency shift, eyaziwa ngokuba yi-Doppler shift. Imodyuli ye-DSP yangaphakathi ekhawulezayo ihlalutya ukuphambuka kwe-frequency kwaye iguqula isignali ibe yi-real-time flow velocity. I-sensor ixhasa ukufunyanwa kwe-bidirectional velocity, okwenza ukuba ifaneleke kwimilambo yamaza kunye nemibhobho yokuhambisa amanzi ene-reverse.iimeko zokuhamba kwamanziUluhlu lwesantya sayo esilinganiswayo lugubungela i-0.02 m/s ukuya kwi-13.2 m/s, nto leyo eyanelisa zombini ukukhutshwa kwamanzi amdaka ngesantya esiphantsi kunye nokuhlolwa kokuhamba komlambo ngokukhawuleza.
Ukuze kufunyanwe ubunzulu bamanzi, i-QSD6537 isebenzisa iindlela ezimbini zokulinganisa ezingafunekiyo ukuphucula ukulungelelaniswa kwendalo. Indlela yokuqala kukulinganisa ubunzulu boxinzelelo lwe-hydrostatic, ukubala ubunzulu bamanzi ngokwenguquko yoxinzelelo eyenziwa yikholamu yamanzi. Isisombululo sesibini sisebenzisa indlela yokulinganisa i-ultrasonic ukuze sibone umgama phakathi kwesensor nomphezulu wamanzi. Abasebenzisi banokukhetha okanye badibanise iindlela ezimbini zokulinganisa ubunzulu ngokweemeko zendawo. Imbuyekezo yobushushu eyakhelwe ngaphakathi kunye ne-algorithms yokulungisa uxinzelelo ngempumelelo inciphisa iimpazamo zokulinganisa ezibangelwa kukuguquguquka kobushushu kunye notshintsho loxinzelelo lomoya. Ngaphezu koko, isensor yokuthambekela kwangaphakathi ilungisa ngokuzenzekelayo iimpazamo zokuphambuka ukuba isensor ifakwe kwi-engile etyebileyo.
Utshintsho oluphawulekayo lwenkqubo ye-QSD6537 lukwimisebenzi yayo yokumodela enqamlezileyo.Isibali sokuhamba kwe-DOF6000Ixhasa ukuya kuthi ga kuma-20 amanqaku okudibanisa ukuchaza iiprofayili zetshaneli ezingahambelaniyo, kuquka imijelo yetrapezoidal, imibhobho ejikelezayo ezaliswe isiqingatha kunye namacandelo omlambo ajikelezileyo ngokwendalo. Emva kokungenisa idatha yokudibanisa yemida yetshaneli, ikhaltyhuleyitha ibala ngokuguquguqukayo indawo emanzi ngexesha langempela ehambelana nobunzulu bamanzi obulinganisiweyo. Olu yilo luyandisa kakhulu iimeko zokusetyenziswa, ngakumbi kwimijelo yamanzi yendalo kunye nemibhobho emidala yokuhambisa amanzi eneendawo ezinqamlezileyo ezingaqhelekanga apho ii-flume ezisemgangathweni zingenakufakelwa khona.
Ngaphaya kokujonga isantya kunye nobunzulu, iprobe edibeneyo inokuqokelela ukuhanjiswa kwamanzi kunye nobushushu obuphakathi ngaxeshanye, inike idatha yomgangatho wamanzi encedisayo yokujonga okusingqongileyo. Indlu ye-epoxy ye-IP68 evalwe ngokupheleleyo ivumela ukusebenza kwexesha elide phantsi kwamanzi kunye nokugcinwa okuncinci.
Ngamafutshane,ULanry QSD6537I-flowmeter yetshaneli evulekileyo idibanisa ngokwendalo umlinganiselo wesantya se-ultrasonic Doppler, ukufunyanwa kobunzulu beendlela ezimbini kunye nomzekelo wecandelo elicwangcisiweyo osekelwe kumgaqo wesantya sendawo. Ingenamida yokufakelwa kwe-weir kunye ne-flume, inkqubo ibonelela ngesisombululo esiguquguqukayo nesithembekileyo sophando lwe-hydrological, ukujonga amanzi amdaka kamasipala, ukunkcenkceshela kwezolimo kunye nolawulo lwesixeko sesiponji, okwenza ukuba ibe sisixhobo esithandwayo sokulinganisa ukuhamba komjelo ovulekileyo wentsimi kwihlabathi liphela.
Ixesha lokuthumela: Agasti-04-2026