Ama-flowmeter e-Ultrasonic angalinganisa amazinga okugeleza amancane, kodwa umphumela wokulinganisa uyahlukahluka ngokuya ngezinhlobo ezahlukene zama-flowmeter kanye nezimo ezithile zokusetshenziswa. Okokuqala, ukusebenza komgomo we-flowmeter ye-ultrasonic ukubala izinga lokugeleza ngokuthola umehluko wesikhathi kanye noshintsho lwemvamisa yegagasi le-ultrasonic elisakazeka ku-fluid. Kungenzeka ngokomthetho ukukala ukugeleza okuncane. I-flowmeter ye-ultrasonic yomehluko wesikhathi: Umgomo ukukala umehluko wesikhathi wokusakazeka kwe-ultrasonic ohlangothini oluya phezulu naphezulu, ukuze kubalwe ijubane loketshezi kanye nezinga lokugeleza. Kwethrafikhi encane, yize umehluko wesikhathi ungaba mncane kakhulu, ngokusebenzisa ubuchwepheshe bokulinganisa isikhathi obunembile kakhulu kanye nama-algorithms okucubungula isignali, izinguquko zesikhathi ezincane zingatholakala, bese kubalwa izinga lokugeleza elincane. Isibonelo, amanye ama-flowmeter e-ultrasonic anomehluko wesikhathi onembile kakhulu angalinganisa amazinga okugeleza amancane aphansi njenge-ml/min embalwa. Elabhorethri, imishini yezokwelapha kanye neminye imikhakha, ukuze kulinganiswe ngokunembile izidingo zokugeleza okuncane kuphezulu, indlela yomehluko wesikhathi i-ultrasonic flowmeter ingahlangabezana nalezi zidingo. I-Doppler ultrasonic flowmeter: Ngokusekelwe kumphumela we-Doppler, izinga lokugeleza kanye nezinga lokugeleza koketshezi kunqunywa ngokulinganisa ushintsho lwemvamisa yegagasi le-ultrasonic elihlakazeke emuva oketshezini. Kuketshezi oluqukethe izinhlayiya ezincane noma amabhamuza, noma ngabe izinga lokugeleza lincane, lezi zinhlayiya noma amabhamuza zingabangela ukuhlakazeka kwamagagasi e-ultrasonic, ukuze izinga lokugeleza elincane lilinganiswe ngendlela ye-Doppler. Isibonelo, kweminye imikhakha yezokwelapha, ekulinganisweni kwamaseli okugeleza koketshezi noma izinhlayiya ezincane, ama-Doppler ultrasonic flowmeters angadlala indima. Nakuba ama-ultrasonic flowmeters engalinganisa amazinga okugeleza amancane ngokomthetho, asabhekene nezinselele ezithile ekusetshenzisweni okusebenzayo. Amandla esignali kanye nesilinganiso sesignali-kuya-kumsindo: Kumazinga okugeleza amancane, ukusabalala kwezibonakaliso ze-ultrasonic oketshezini kungancishiswa kakhulu, okuholela emandleni esignali abuthakathaka. Ngesikhathi esifanayo, ngenxa yokuba khona komsindo wangemuva, isilinganiso sesignali-kuya-kumsindo singancishiswa, kuthinte ukunemba kokulinganisa. Isibonelo, kwezinye izimo zokulinganisa ukugeleza okuncane, izinzwa zokuzwela okuphezulu kanye nobuchwepheshe obuthuthukisiwe bokucubungula isignali kuyadingeka ukuthuthukisa amandla esignali kanye nesilinganiso sesignali kuya kumsindo ukuqinisekisa ukuthembeka kokulinganisa. Izakhiwo zoketshezi, njenge-viscosity, ubuningi, izinga lokushisa, njll., zinomthelela omkhulu esivinini sokusabalala kanye nokuncipha kwegagasi le-ultrasonic. Ezilinganisweni zokugeleza okuncane, lezi zinguquko ezicini zoketshezi zingaba zibaluleke kakhulu, zithinte ukunemba kokulinganisa. Isibonelo, koketshezi olune-viscosity ephezulu, ijubane lokusabalala kwegagasi le-ultrasonic lizohamba kancane futhi izinga lokuncipha lizokhushulwa, futhi ukulinganiswa okukhethekile kanye nesinxephezelo semitha yokugeleza kungadingeka ukuze kuvumelane nezici ezahlukene zoketshezi. Izimo zokufakwa kanye nokusetshenziswa: Izici ezifana nendawo yokufaka yemitha yokugeleza ye-ultrasonic, izimo zamapayipi, kanye nendlela yokufaka yenzwa nazo zizothinta umphumela wokulinganisa wesilinganiso sokugeleza okuncane. Isibonelo, ukufakwa endaweni ende yesigaba sepayipi eliqondile kungaqinisekisa ukuzinza kokugeleza koketshezi futhi kuthuthukise ukunemba kokulinganisa; I-engela yokufaka kanye nebanga lenzwa nakho kudinga ukulungiswa ngokwesimo esithile ukuze kutholakale imiphumela emihle kakhulu yokulinganisa. Ngaphezu kwalokho, enkambisweni yokusebenzisa, kubalulekile ukunaka ukuze kugwenywe ukuphazamiseka kwangaphandle, njengokuphazamiseka kwe-electromagnetic, ukudlidliza, njll., lezi zici zingathinta ukusebenza okuvamile kwemitha yokugeleza, okuholela ekwandeni kwamaphutha okulinganisa. Ngamafuphi, ama-flowmeter e-ultrasonic angalinganisa ukugeleza okuncane, kodwa kuyadingeka ukukhetha uhlobo lwemitha yokugeleza olufanele ngokwesimo esithile sesicelo, futhi unake ukuxazulula inkinga yamandla esignali, izici zoketshezi kanye nezimo zokufakwa kanye nokusetshenziswa ukuqinisekisa ukunemba nokuthembeka kokulinganisa.
Isikhathi sokuthunyelwe: Novemba-03-2024