Amamitha okushisa e-ultrasonic aqiniswayoukufeza ukulinganisa okunembile kokushisa okudluliselwe kumapayipi athwala uketshezi ngokuhlanganiswa kokulinganisa ukugeleza kwe-ultrasonic kanye nokuqapha umehluko wokushisa. Ukusebenza kwabo kusekelwe ezimisweni ze-acoustic kanye ne-thermodynamic, ezihilela izinqubo ezintathu eziyinhloko: ukulinganisa ukugeleza, ukutholwa komehluko wokushisa, kanye nokubalwa kokushisa kanye nokuqongelela. Nansi incazelo eningiliziwe yendlela yokusebenza kwabo:
I. Izingxenye Eziyinhloko Nezindima Zazo
Imitha yokushisa ye-ultrasonic ebambayo iqukethe izingxenye ezintathu ezibalulekile ezisebenza ngokubambisana, ngayinye inemisebenzi ehlukile:
- Izinzwa zokugeleza kwe-ultrasonic ezibanjiwe: Zinesibopho sokulinganisa izinga lokugeleza okusheshayo koketshezi epayipini. Zifakwe ngaphandle odongeni lwangaphandle lwepayipi lokuhambisa (noma lokubuyisa) ngaphandle kokuthinta uketshezi.
- Izinzwa zokushisa: Ngokuvamile izinzwa ezimbili zokumelana neplatinum ezinemba kakhulu (isb., i-PT1000 enokunemba okungu-±0.1℃), ezifakwe kokubili kumapayipi okuhambisa kanye nawokubuyisela ukuze kuqashwe izinga lokushisa lamanzi okuhambisa (T1) kanye nezinga lokushisa lamanzi okubuyisela (T2) ngesikhathi sangempela.
- Isibambi (isibali): Sithola izimpawu zokugeleza kanye nokushisa, sibala ukushisa sisebenzisa ama-algorithms akhelwe ngaphakathi, futhi siphatha ukuboniswa kwedatha, isitoreji, noma ukudluliswa kwayo.
II. Izinyathelo Zokusebenza Eziningiliziwe
1. Ukulinganisa Ukugeleza: Ukuthwebula Ijubane Lokugeleza Nge-Ultrasonic Time-Difference Method
Inzwa yokugeleza kwe-ultrasonic ebambayo iyisisekelo sokulinganisa ukugeleza, esebenza ngesimiso esifanayo ne-clamp-on ultrasonic flowmeters:
- Ukufakwa Kwezinzwa: Ama-transducer amabili e-ultrasonic (i-transmitter kanye ne-receiver) aqiniswe ngokulinganayo odongeni lwepayipi langaphandle kusetshenziswa ama-clamp, okudala izindlela ezimbili zokusabalalisa i-acoustic—eyodwa ilandela indlela yokugeleza koketshezi (ezansi) kanti enye imelene nayo (ezansi).
- Ukudluliselwa Kwesignali Nokwamukelwa: Umthumeli ukhipha izimpawu ze-ultrasonic ngokushintshana eziqondisweni ezingezansi nezingenhla. Njengoba amaza omsindo esakazeka ngoketshezi, isikhathi sawo sokuhamba sithinteka yijubane loketshezi: izimpawu ezingezansi "zithwalwa" ukugeleza, okuholela esikhathini esifushane sokuhamba; izimpawu ezingenhla "ziyavinjelwa," okuholela esikhathini eside sokuhamba.
- Ukubalwa Kwejubane Nokugeleza: I-host ilinganisa umehluko wesikhathi (Δt) bese ibala ijubane lokugeleza okusheshayo (v) isebenzisa amapharamitha afana nobubanzi bepayipi nezinto zokwakha. Leli jubane libe seliguqulwa libe yizinga lokugeleza okusheshayo kwevolumu (qv) futhi, ekugcineni, libe yizinga lokugeleza okukhulu (qm) kusetshenziswa ubuningi boketshezi.
2. Ukulinganisa Umehluko Wezinga Lokushisa: Ukuthola Ukwehluka Kwamandla Phakathi Kokuphakelwa Namanzi Abuyayo
Izinzwa zokushisa zinamathiselwe odongeni lwangaphandle lwamapayipi okuhambisa kanye nawokubuyisela (noma zifakwe ngaphandle kokuphazamisa insimu yokugeleza okuyinhloko) ukuze kuqoqwe amazinga okushisa amanzi ngesikhathi sangempela:
- Izinga lokushisa lamanzi anikezwayo (T1): Limelela izinga lokushisa lokuqala loketshezi olungena ohlelweni lokushintshanisa ukushisa (oluphethe amandla aphezulu).
- Izinga lokushisa lamanzi elibuyayo (T2): Limelela izinga lokushisa loketshezi oluphuma ohlelweni ngemva kokushintshana kokushisa (ngamandla ancishisiwe, ngakho-ke izinga lokushisa eliphansi).
- Ukubalwa Komehluko Wezinga Lokushisa: Umsingathi ubala njalo umehluko (ΔT=T1−T2). Umehluko omkhulu wezinga lokushisa ubonisa ukushisa okwengeziwe okudluliswayo ngesikhathi seyunithi ngayinye.
3. Ukubalwa Kokushisa: Ukuqoqa Ukushisa Okuphelele Ngokusekelwe Kumafomula E-Thermodynamic
Isebenzisa idatha yomehluko wokugeleza nokushisa, umsingathi ubala futhi aqoqe ukushisa okuphelele ngesikhathi sangempela esebenzisa ifomula yokulinganisa ukushisa okuyinhloko:Q=∫t1t2qm⋅cp⋅ΔTdt
Kuphi:
Kuphi:
- U-Q ukushisa okuqongelelwe (iyunithi: kWh noma i-GJ);
- i-qm yisilinganiso sokugeleza kwesisindo esisheshayo (kg/h);
- i-cp amandla okushisa athile oketshezi olucindezelwe njalo (lwamanzi, ngokuvamile);
- I-ΔT umehluko wokushisa phakathi kokunikezwa kwamanzi nokubuyiselwa kwawo (℃);
- Isibonakaliso esihlanganisiwe simelela ukuqongelela ngokuhamba kwesikhathi (t), okungukuthi, ukushisa okuphelele okudliwe kusukela ekuqaleni kokulinganisa kuze kube sesikhathini samanje.
Kalula nje, ukushisa = izinga lokugeleza kwesisindo × umthamo wokushisa othize × umehluko wokushisa × isikhathi. Umphathi uqhubeka nokuqapha futhi aqoqe leli nani ukuze athole ukushisa okuphelele okudliwa ngumsebenzisi.
III. Ukukhishwa Kwedatha kanye Nezicelo
I-host ibonisa idatha yesikhathi sangempela njengesilinganiso sokugeleza okusheshayo, ukushisa okusheshayo, ukushisa okuqongelelekile, kanye nomehluko wokushisa esikrinini sayo. Iphinde idlulisele idatha ezinhlelweni zokuphatha ngokusebenzisa izixhumi ezifana ne-RS485 noma i-NB-IoT, isekela izinhlelo zokusebenza ezifana nokukhokhisa ukushisa kanye nokuphathwa kwamandla.
Isifinyezo
Umqondo oyinhloko wamamitha okushisa e-ultrasonic acindezelwayo ungafingqwa kanje: "ukulinganisa ukugeleza nge-ultrasound, ukubona umehluko wokushisa ngezinzwa, nokubala ukushisa ngama-algorithms". Umklamo wabo ongaphazamisi uqeda umonakalo wepayipi kanye nokuphazamiseka koketshezi, kuyilapho inhlanganisela yobuchwepheshe be-ultrasonic kanye nokuqapha izinga lokushisa kuqinisekisa ukulinganisa okunembile kuzo zonke izinhlobo zokugeleza kanye nezimo zokusebenza eziyinkimbinkimbi, okwenza zisetshenziswe kabanzi ezimweni zokukhokhisa ukushisa kanye nokuphathwa kwamandla.
Isikhathi sokuthunyelwe: Julayi-22-2025