Ukuze uthole imitha yokugeleza kwe-ultrasonic,ukuzulazula kwephuzu elingenaluthoibhekisela esimweni lapho imitha ibonisa izinga lokugeleza elincane ngisho nalapho ipayipi kufanele libe ku-zero flow.
Lesi simo sibaluleke kakhuluamamitha okugeleza kwe-ultrasonic ngesikhathi sokuthutha, ngoba izinga lokugeleza libalwa kusukela kumehluko phakathi kwezikhathi zokuhamba ze-ultrasonic ezikhuphukayo neziphansi. Esimweni esihle kakhulu sokugeleza okungu-zero, izikhathi ezimbili zokuhamba kufanele zilingane. Nokho, empeleni, umehluko omncane ungenzeka ngenxa yezimo zokufakwa, izimo zoketshezi, ukudlidliza kwamapayipi, ikhwalithi yesiginali, kanye namaphutha okulinganisa kagesi.
1. Ipayipi Lingase Lingabi Khona Emgwaqweni Ongaphelele
Into yokuqala okufanele uyihlole ukuthi ngabe ipayipi alikho yini ngempela ekugelezeni kwamanzi.
Ukugeleza okuncane kungase kube khona ngenxa yalokhu:
- Ukuvuza kwevalvu
- Umehluko wokucindezela phakathi kwezingxenye ezimbili zesistimu
- Ukugeleza kwemvelo
- Ukudluliselwa kokushisa ezinhlelweni zamanzi ashisayo
- Ukugeleza kokudlula
- Ukujikeleza kwegazi okubangelwa yiphampu
- Ukugeleza okusele ngemva kokuba ipompo isimile
Isibonelo, imitha yokugeleza ingabonisa0.05 m/sngemva kokuba ipompo icishiwe. Lokhu akusho ukuthi i-flow meter inenkinga yephuzu elingu-zero. Kungase kube khona inani elincane loketshezi oluhamba ngepayipi.
Ngakho-ke,Ukulinganiswa kwephuzu eliyi-zero kufanele kwenziwe kuphela ngemva kokuqinisekisa ukuthi ipayipi limile ngokuphelele futhi ligcwele uketshezi.
2. Ukufakwa Kwe-Transducer Okungafanele
Kumamitha okugeleza e-ultrasonic aqiniswayo, ukufakwa kwe-transducer kunethonya elikhulu ekuzinzeni kokulinganisa.
Izinkinga zingase zivele uma:
- Ama-transducer awaqondani kahle.
- Isikhala se-transducer asilungile.
- Ama-transducer amabili anezimo zokuxhuma ezihlukene.
- Ama-transducer afakwe nge-engeli engalungile.
- Indawo yokufaka ingcolile noma ayilingani.
- Imodi yokufaka ekhethiwe ayifani nezimo zangempela zamapayipi.
Lezi zinkinga zingabangela ukuthi izimpawu ze-acoustic ezikhuphukayo nezingezansi zisebenze ngendlela ehlukile.
Ngenxa yalokho, imitha yokugeleza ingase ibone umehluko omncane obonakalayo wesikhathi sokuhamba ngisho noma kungekho ukugeleza kwangempela.
3. Ukudlidliza Kwepayipi Kungabangela Isibonakaliso Sokugeleza Esibonakalayo
Ukudlidliza komshini kungenye imbangela engaba khona yokungazinzi nhlobo.
Uma i-flow meter ifakiwe eduze kwalokhu:
- Amaphampu
- Ama-compressor
- Ama-motor amakhulu
- Amavalvu
- Eminye imishini yokudlidliza
ukudlidliza kungathinta ukuhlangana phakathi kwe-transducer nodonga lwepayipi.
Ingaphinde ingenise umsindo esignalini ye-ultrasound etholakele.
Uphawu olujwayelekile ukuthi izinga lokugeleza elibonisiwe alihlali ku-zero ozinzile, kodwa kunalokho liyashintshashintsha cishe ku-zero, isibonelo:
0 → 0.03 → -0.02 → 0.05 → 0 m/s
Kulesi simo, ukulungisa iphuzu elingu-zero ngokuphindaphindiwe kungase kungayixazululi inkinga eyisisekelo. Indawo yokufaka kufanele ihlolwe kuqala.
4. Amabhamuza Omoya Angathinta Isignali Ye-Ultrasonic
Amabhamuza omoya angenye yezimbangela ezivame kakhulu zokulinganisa okungazinzile kwe-ultrasound.
Ngenxa yokuthi izakhiwo ze-acoustic zegesi kanye noketshezi zihlukile kakhulu, amabhamuza angahlakaza futhi anciphise isignali ye-ultrasonic njengoba ihamba ngepayipi.
Lokhu kungaholela ku:
- Amandla esignali ancishisiwe
- Ikhwalithi yesignali engazinzile
- Ukutholwa kwesikhathi sokuhamba okungalungile
- Ukufundwa kokugeleza okungavamile
- Ukufundwa kwe-zero-point okushintshashintshayo
Yingakho ipayipi kufanele libe ngcono kakhulukugcwaliswe ngokuphelele ngoketshezi, futhi ama-transducer akufanele afakwe ezindaweni lapho umoya uvame ukuqongelela khona.
5. Izinguquko Ekushiseni Koketshezi
Izinguquko zokushisa zingathinta nokuzinza kwamaphoyinti ayi-zero.
Izinguquko ekushiseni zishintsha uketshezi:
- Isivinini somsindo
- Ubuningi
- Ukuthamba
Ngesikhathi esifanayo, ukwanda kokushisa kungashintsha kancane ubukhulu bepayipi kanye nendlela ye-acoustic.
Nakuba indlela yesikhathi sokuthutha incike kakhulu ekwehlukeni phakathi kwezikhathi zokuhamba ezikhuphukayo neziphansi kunokusebenzisa isivinini somsindo esiphelele, izinguquko ezinkulu ezimweni zokusebenza zisengathinta ikhwalithi yesignali kanye nokuqina kokulinganisa.
Lokhu kubaluleke kakhulu ekusetshenzisweni kwamanzi ashisayo, amanzi okupholisa, kanye nolunye uketshezi olunezinguquko ezinkulu zokushisa.
6. Amaphutha Okucubungula Nge-elekthronikhi Nangesignali
Umehluko wesikhathi sokuhamba olinganiswa yi-ultrasonic flow meter ungaba mncane kakhulu, ikakhulukazi uma ukugeleza kuphansi.
Ngakho-ke, uhlelo lokulinganisa kumele lunqume ngokunembile umehluko omncane kakhulu esikhathini sokuhamba kwe-ultrasonic.
Izici ezifana nalezi:
- Umsindo we-elekthronikhi
- Ukuqina kwewashi
- Ukutholwa kwesignali
- Imiphumela yokushisa ezingxenyeni zikagesi
- Ama-algorithms okucubungula isignali
- Ukuqina kwesekethe yokudlulisa
kungathinta ukulinganisa eduze kwephuzu lokugeleza okungu-zero.
Lesi esinye sezizathu ezenza ukusebenza kwe-ultrasonic flow meter kungaxhomeki kuma-transducer ayo kuphela, kodwa futhi nasekhwalithini yayo.ukucubungula isignali kanye nesistimu yokulinganisa isikhathi.
7. Kungani Ukulinganisa Okungaphelele Kungeyona Isixazululo Esifanele Njalo
Iphutha elivamile ukwenza ngokushesha ukulinganisa okungu-zero noma nini lapho imitha yokugeleza ibonisa ukugeleza okuncane ezimweni zokugeleza okungu-zero.
Ake sithi ukugeleza kwangempela kungu-zero, kodwa imitha ibonisa njalo:
+0.08 m/s
Ukulinganiswa okungu-zero kunganciphisa ngempumelelo inani elibonisiwe libe cishe ngu-zero.
Kodwa-ke, uma imbangela yangempela kungamabhamuza omoya, ukudlidliza, ukungalungi kahle kwe-transducer, noma ukuvuza kwevalvu, iphutha lingase lingabi njalo.
Isibonelo, ukufundwa kungashintsha kusuka ku:
+0.08 m/s → -0.03 m/s → +0.05 m/s
Kulesi simo, ukulinganisa okungu-zero akukwazi ukuqeda inkinga eyisisekelo.
Uchungechunge lokuxazulula izinkinga olungcono yilolu:
Qinisekisa ukugeleza okungu-zero → Hlola isimo sepayipi → Hlola ukufakwa kwe-transducer → Hlola amandla esignali → Hlola amabhamuza omoya nokudlidliza → Hlola izimo zokushisa → Yenza ukulinganisa okungu-zero uma kudingeka
8. Indlela Yokuhlukanisa Izinhlobo Ezihlukene Zezinkinga Ezingenamaphuzu
| Ukuziphatha Kwemitha Yokugeleza | Imbangela Engaba Khona |
|---|---|
| Ukugeleza okuhle okuncane okuzinzile | Ukugeleza okuphansi kwangempela, i-offset yokufaka, noma iphutha le-zero-point |
| Ukugeleza okushintsha kancane kancane eduze no-zero | Izinguquko zezinga lokushisa noma ze-acoustic |
| Ukushintshashintsha okusheshayo okuzungeze u-zero | Amabhamuza omoya, ukudlidliza, noma isignali engazinzile |
| Ukulahlekelwa ngokuzumayo kokungazinzi kwe-zero | Ukuhlanganiswa kwe-transducer noma izinguquko zesimo sepayipi |
| Uziro ozinzile ngemva kokulinganiswa kodwa uyakhukhuleka futhi kamuva | Inkinga yokufaka noma yenqubo eyisisekelo |
Ukugeleza kwephuzu elingenalutho kumitha yokugeleza kwe-ultrasonic kuyintoakubangelwa ngempela iphuzu lika-zero le-elekthronikhi uqobo.
Ezinhlelweni eziningi zangempela, lokho okubonakala sengathi ukukhukhuleka kwephuzu elingenalutho empeleni kuwumphumela wokuhlanganiswa kweukugeleza okuphansi kwangempela, ukufakwa kwe-transducer, ukudlidliza kwamapayipi, amabhamuza omoya, izinguquko zokushisa, ikhwalithi yesignali, kanye nokuqina kokulinganisa nge-elekthronikhi.
Ngakho-ke, indlela efanele akuyona nje ukulungisa iphuzu elingu-zero. Unjiniyela kufanele aqale athole ukuthi inkinga ivela ku-ipayipi, uketshezi, ukufakwa, isignali ye-acoustic, noma izinto zikagesi.
Kumamitha okugeleza e-ultrasonic aqiniswayo, kuhlolwaAmandla Esiginali, ukuzinza kwesiginali, isikhala se-transducer, isimo sepayipi, kanye nekhwalithi yokuxhumakubaluleke kakhulu ngaphambi kokwenza ukulinganisa okungu-zero.
Isikhathi sokuthunyelwe: Agasti-17-2026