Imigangatho yovavanyo lomgangatho wee-flowmeters ze-ultrasonic ibandakanya ikakhulu ezi zinto zilandelayo: Izalathisi zokusebenza: Ukuchaneka kokulinganisa: Iimeko ezahlukeneyo zokusetyenziswa kunye namanqanaba okuchaneka kwee-flowmeters ze-ultrasonic zineemfuno zokuchaneka ezihambelanayo. Umzekelo, kwezinye izicelo eziqhelekileyo zoshishino, ukuchaneka kunokuba phakathi kwe-±1% kunye ne-±2%; Kwizicelo zokulinganisa ezifuna kakhulu, ukuchaneka kunokufuneka kufikelele kwi-±0.5% okanye nangaphezulu. Ekufumaneni, ngovavanyo lokuthelekisa nesixhobo sokuhamba esiqhelekileyo, bala impazamo phakathi kwexabiso elilinganisiweyo kunye nexabiso eliqhelekileyo, kwaye ugwebe ukuba iyahlangabezana na neemfuno zokuchaneka. Ukuchaneka: kubonisa ukuhambelana kweziphumo xa i-flowmeter ilinganisa isantya sokuhamba esifanayo amaxesha amaninzi phantsi kweemeko ezifanayo. Impazamo yokuchaneka kufuneka ihlale ingaphakathi koluhlu oluthile oluvumelekileyo, olufana nokungadluli kwi-±0.2% yexabiso elilinganisiweyo, njl.njl., ixabiso elithile lixhomekeke kwiinkcukacha kunye neemfuno zokusetyenziswa kwe-flow meter. Umgca: Inqanaba lobudlelwane obuchanekileyo phakathi kwesignali yokuphuma kwe-flowmeter kunye nesantya sokuhamba. Ngokufanelekileyo, imveliso ye-flowmeter kufuneka ibe nobudlelwane obuqinileyo obuhambelanayo kunye nesantya sokuhamba, kodwa ekusebenzeni kuya kubakho ukuphambuka okuthile. Ukufunyanwa komgca othe tye kudla ngokugqitywa ngokulinganisa kwiindawo ezahlukeneyo zokuhamba uze emva koko uhlalutye ukuphambuka kwexabiso elilinganisiweyo ukusuka kulwalamano oluthe tye oluthe tye. Umlinganiselo wobubanzi: Umlinganiselo wesantya esiphezulu sokuhamba ukuya kwisantya esincinci sokuhamba esinokulinganiswa ngokuchanekileyo yi-flowmeter. Okukhona umlinganiselo wobubanzi umkhulu, kokukhona uluhlu olubanzi lokusetyenziswa kwe-flowmeter. Ngokubanzi, umlinganiselo wobubanzi bee-flowmeter ze-ultrasonic kufuneka uhlangabezane neemfuno zezicelo ezisebenzayo, kwaye umlinganiselo wobubanzi oqhelekileyo yi-10:1 ukuya kwi-100:1 nangaphezulu. Umgangatho wesignali: Amandla esignali: Isignali ye-ultrasonic efunyenwe yi-sensor kufuneka ibe namandla ngokwaneleyo ukuqinisekisa ukuchaneka kunye nokuzinza komlinganiselo. Xa kuchongwa, ixabiso lamandla esignali lingajongwa nge-interface yokubonisa ye-flowmeter okanye izixhobo ezifanelekileyo zokufumanisa, kwaye amandla esignali ngokubanzi kufuneka abe ngaphezulu komda othile, njengexabiso le-Q (isalathisi somgangatho wesignali) elikhulu kune-85 okanye elilingana ne-85. Uzinzo lwesignali: Ngexesha lenkqubo yokulinganisa, isignali ye-ultrasonic kufuneka izinzile, kwaye akufuneki kubekho ukuguquguquka okukhulu okanye ukuphazamiseka okwethutyana. Uzinzo lwesignali luvavanywa ngokujonga utshintsho lwesignali kwixesha elide lokulinganisa okuqhubekayo. Ukusebenza kwembuyekezo yobushushu noxinzelelo: Ukuba imitha yokuhamba inomsebenzi wembuyekezo yobushushu noxinzelelo, ukusebenza kakuhle komsebenzi kufuneka kuvavanywe. Phantsi kweemeko ezahlukeneyo zobushushu noxinzelelo, imitha yokuhamba kufuneka ikwazi ukuhlawula ngokuchanekileyo iziphumo zokulinganisa, ukuze ixabiso lokuphuma kokuhamba lisondele kwisantya sokuhamba sokwenyani. Umzekelo, kwindawo enotshintsho olukhulu lobushushu, impazamo yembuyekezo yobushushu yemitha yokuhamba kufuneka ibe ngaphakathi koluhlu oluchaziweyo. Ukusebenza kombane: Ukuzivumelanisa nombane: Imitha yokuhamba kufuneka ikwazi ukusebenza ngokuqhelekileyo ngaphakathi koluhlu oluchaziweyo lombane kunye noluhlu lwamaza. Umzekelo, kwimitha yokuhamba esebenza nge-AC, xa imitha yombane itshintshatshintsha ±10% kwaye imvamisa itshintsha ±5%, imitha yokuhamba kufuneka ikwazi ukusebenza ngokuqhelekileyo kwaye iziphumo zokulinganisa akufuneki zichaphazeleke kakhulu. Ukumelana nobushushu: Ukumelana nobushushu phakathi kwenxalenye yombane yemitha yokuhamba kunye nendlu kufuneka kuhlangabezane neemfuno zokhuseleko, kwaye ukumelana nobushushu kudla ngokufuneka ukuba kube ngaphezulu kwexabiso elithile, njenge-100MΩ, ukuqinisekisa ukhuseleko ngexesha lokusetyenziswa. Amandla okulwa nokuphazamiseka: Imitha yokuhamba kufuneka ibe nokuphazamiseka okuthile okuchasene ne-electromagnetic, ukuphazamiseka kwerediyo kunye nezinye izakhono. Xa kukho imithombo yokuphazamiseka yangaphandle, iziphumo zokulinganisa zemitha yokuhamba akufuneki zichaphazeleke kakhulu. Ukuchaneka kokulinganisa kunye nokuzinza kwemitha yokuhamba kunokujongwa ngokuvavanya kwindawo yokuphazamiseka okulinganisiweyo. Iimfuno zesakhiwo soomatshini kunye nokufakelwa: Ukuhlolwa kwenkangeleko: iqokobhe lemitha yokuhamba akufuneki libe nemikrwelo ecacileyo, ukuguquka, ukuqhekeka kunye nezinye iziphene, uphahla lomphezulu kufuneka lufane kwaye luqine, kwaye ukuchongwa kunye nepleyiti yegama kufuneka kucace kwaye kufundeke. Ukufakwa kwesensor: Indawo yokufakela isensor kufuneka ihlangabezane neemfuno zoyilo, uqhagamshelo nombhobho kufuneka luqine kwaye luvalwe, kwaye ukufakwa I-engile kunye nesikhokelo sesensor kufuneka zichaneke ukuqinisekisa ukuhanjiswa okuqhelekileyo kwemiqondiso ye-ultrasonic. Umzekelo, xa ufaka isensor kumbhobho othe tye, qinisekisa ukuba isensor imile ngokuthe nkqo kumbhobho; Xa ufaka kumbhobho othe tye, indawo efanelekileyo yokufakela kufuneka ikhethwe ngokwendlela yokuhamba kolwelo. Inqanaba loKhuseleko: Ukuba imitha yokuhamba kwamanzi isetyenziswa kwiindawo ezirhabaxa, ezifana nokufuma, uthuli, igesi erhabaxa kunye nezinye iindawo, inqanaba layo lokhuseleko kufuneka lihlangabezane neemfuno, kwaye linokuthintela ngokufanelekileyo umonakalo wendalo yangaphandle kwimitha yokuhamba kwamanzi. Iimeko zokulinganisa: isixhobo esisemgangathweni wokuhamba kwamanzi: Isixhobo esisemgangathweni wokuhamba kwamanzi esisetyenziselwa ukufumanisa imitha yokuhamba kwamanzi ye-ultrasonic kufuneka sibe nesatifikethi sokuqinisekisa esisebenzayo, kwaye ukungaqiniseki kweziphumo zokulinganisa akufuneki kube ngaphezulu kwe-1/3 yexabiso eliphezulu lempazamo elivumelekileyo lemitha yokuhamba kwamanzi eliza kubonwa. Izixhobo ezisemgangathweni wokuhamba kwamanzi zinokuba ziintlobo ezahlukeneyo zezixhobo ezifana nendlela yobunzima, indlela yomthamo okanye indlela yetafile esemgangathweni. Ulwelo lokuqinisekisa: Ulwelo olusetyenziselwa ukuqinisekiswa kufuneka lube yigesi okanye ulwelo lwesigaba esinye, oluzaliswe ngumbhobho wovavanyo, kwaye ukuhamba kwamanzi kufuneka kungabi neevortices, amasuntswana abonakalayo, imicu kunye nezinye izinto. Kwimitha yokuhamba kwamanzi, ulwelo kufuneka lube phezulu kunoxinzelelo lwayo lomphunga olugcweleyo, kwaye ubushushu, uxinzelelo kunye nezinye iiparameter kufuneka zihlangabezane neemfuno ezichaziweyo; Kwimitha yokuhamba kwamanzi yegesi, uxinzelelo, ubushushu, kunye nokwakheka kwegesi kufuneka kuhlangabezane neemeko ezifanelekileyo. Iimeko zokusingqongileyo: Ubushushu, ukufuma kunye noxinzelelo lomoya kwindawo yokuqinisekisa kufuneka zibe ngaphakathi koluhlu oluchaziweyo ukuqinisekisa ukuchaneka kweziphumo zovavanyo. Umzekelo, ubushushu obuphakathi ngokubanzi buyi-5 ° C ukuya kwi-45 ° C, umswakama ubuyi-35% ukuya kwi-95% RH, kwaye uxinzelelo lomoya luyi-86kPa ukuya kwi-106kPa.
Ixesha lokuthumela: Novemba-03-2024