Kuti ushandise ultrasonic flow meter,kusvetuka-kusvika-zero-pointzvinoreva mamiriro ezvinhu apo mita inoratidza mwero mudiki wekuyerera kwemvura kunyangwe pombi ichifanira kunge isina kuyerera kwemvura.
Chiitiko ichi chakakosha zvikuru kunemita dzekuyerera kweultrasonic dzinofamba panguva yekufambisa, nekuti mwero wekuyerera kwemvura unoverengerwa kubva pamusiyano uripo pakati penguva dzekufambisa dzemumvura dziri kumusoro nedziri pasi. Mumamiriro ezvinhu akanaka ekuti hapana kuyerera kwemvura, nguva mbiri dzekufambisa dzinofanira kunge dzakaenzana. Zvisinei, mukuita, musiyano mudiki unogona kuitika nekuda kwemamiriro ekuisa, mamiriro emvura, kudedera kwepombi, mhando yechiratidzo, uye zvikanganiso zvekuyera kwemagetsi.
1. Pombi Inogona Kusava Nekuyerera Kwepasi
Chinhu chekutanga chekutarisa ndechekuti pombi yacho haina kuyerera zvakanaka here.
Kuyerera kudiki kunogona kunge kuchiripo nekuda kwe:
- Kubuda kwevharuvhu
- Kusiyana kwekumanikidzwa pakati pezvikamu zviviri zvehurongwa
- Kutenderera kwechisikigo
- Kutenderera kwemhepo inopisa mumidziyo yemvura inopisa
- Kuyerera kwepasi penzira
- Kutenderera kweropa kunokonzerwa nepombi
- Kuyerera kwemvura yasara mushure mekunge pombi yamira
Semuenzaniso, flow meter inogona kuratidza0.05 m/smushure mekunge pombi yadzimwa. Izvi hazvirevi hazvo kuti flow meter ine dambudziko re zero-point. Panogona kunge paine mvura shoma iri kufamba nemupombi.
Naizvozvo,Kuongororwa kwepombi ye zero-point kunofanira kuitwa chete mushure mekusimbisa kuti pombi yacho yakamira zvachose uye yakazadzwa nemvura.
2. Kuisa Transducer Isina Kufanira
Pakuyera ma flow meter e clamp-on ultrasonic, kuiswa kwe transducer kune simba guru pakugadzikana kwekuyera.
Matambudziko anogona kuitika kana:
- Matransducer haana kurongeka zvakanaka.
- Nzvimbo ye transducer haina kururama.
- Matransducer maviri aya ane mamiriro akasiyana ekubatanidza.
- Matransducer akaiswa pakona isiriyo.
- Nzvimbo yekuisira yakasviba kana kuti haina kuenzana.
- Nzira yekuisa yakasarudzwa haienderane nemamiriro chaiwo epombi.
Matambudziko aya anogona kukonzera kuti masaini enzwi anofamba kumusoro nekudzika aite zvakasiyana.
Nekuda kweizvozvo, flow meter inogona kuona musiyano mudiki unooneka we transit-time kunyangwe pasina flow chaiyo.
3. Kudedera kwepombi kunogona kukonzera chiratidzo chekuyerera kwemvura
Kudengenyeka kwemuchina chimwe chikonzero chingangove chisina kugadzikana zvachose.
Kana chiyereso chekuyerera kwemvura chakaiswa pedyo ne:
- Mapombi
- Macompressor
- Mota hombe
- Mavharuvhu
- Mimwe michina inodedera
kudedera kunogona kukanganisa kubatana kuri pakati pe transducer nemadziro epombi.
Inogona zvakare kuunza ruzha muchiratidzo che ultrasound chinogamuchirwa.
Chiratidzo chinowanzoitika ndechekuti mwero wekuyerera kwemvura unoratidzwa haurambi uri pazero rakagadzikana, asi panzvimbo pezvo unochinja-chinja uchitenderedza zero, semuenzaniso:
0 → 0.03 → -0.02 → 0.05 → 0 m/s
Mumamiriro ezvinhu aya, kugadzirisa nguva nenguva point zero kunogona kusagadzirisa dambudziko riripo. Nzvimbo yekuisa inofanira kutanga yaongororwa.
4. Mabhurumu Emhepo Anogona Kukanganisa Chiratidzo cheUltrasonic
Mafuro emhepo ndeimwe yezvikonzero zvinowanzo kukonzera kusagadzikana kwekuyerwa kwe ultrasound.
Nekuti hunhu hwegasi nemvura hunosiyana zvakanyanya, mabhurumu anogona kuparadzira nekudzikamisa chiratidzo che ultrasonic paanenge achifamba nemupombi.
Izvi zvinogona kukonzera:
- Simba rechiratidzo rakaderedzwa
- Hunhu hwechiratidzo husina kugadzikana
- Kuonekwa kwenguva yekufambisa isiriyo
- Kuverengwa kwekuyerera kwemvura nguva nenguva
- Kuverenga kwe zero-point kunochinja-chinja
Ndosaka pombi yacho ichifanira kunge iriyakazara nemvura, uye ma transducer haafanirwe kuiswa panzvimbo dzinoita kuti mhepo iungane.
5. Kuchinja kweKupisa kweMvura
Kuchinja kwetembiricha kunogonawo kukanganisa kugadzikana kwenzvimbo dzine zero-point.
Kuchinja kwekushisa kunochinja mvura:
- Kumhanya kweruzha
- Kuwanda kwevanhu
- Kusviba
Panguva imwe chete, kuwedzera kwekupisa kunogona kuchinja zvishoma saizi yepombi uye nzira yeacoustic.
Kunyangwe nzira yekufamba kwenguva ichinyanya kuvimba nemusiyano uripo pakati penguva dzekufamba dziri kumusoro nedziri pasi pane kumhanya kweruzha, shanduko huru mumamiriro ekushanda dzinogona kukanganisa kunaka kwechiratidzo uye kugadzikana kwekuyera.
Izvi zvinonyanya kukosha mukushandiswa kwemvura inopisa, mvura inotonhodza, nezvimwe zvinwiwa zvine tembiricha dzakasiyana-siyana.
6. Zvikanganiso zveElectronic uye Signal-Processing
Musiyano wenguva yekufamba nekufamba unoyerwa ne ultrasonic flow meter unogona kuva mudiki zvikuru, kunyanya kana flow speed yakaderera.
Saka, hurongwa hwekuyera hunofanira kunyatsoona misiyano midiki kwazvo munguva yekufamba kwe ultrasonic.
Zvinhu zvakaita se:
- Ruzha rwemagetsi
- Kugadzikana kwewachi
- Kuonekwa kwechiratidzo
- Mhedzisiro yekupisa pazvikamu zvemagetsi
- Maitiro ekugadzirisa zviratidzo
- Kugadzikana kwedunhu rekutumira
zvinogona kukanganisa kuyerwa kwemvura pedyo nenzvimbo yekuyerera kwemvura.
Ichi ndicho chimwe chikonzero nei kushanda kwe ultrasonic flow meter kusingatsamiri pa transducers dzayo chete, asiwo pamhando yekugadzirisa zviratidzo uye sisitimu yekuyera nguva.
7. Nei Zero Calibration Isiri Mhinduro Yakakodzera Nguva Dzose
Chikanganiso chinowanzoitika ndechekukurumidza kuita zero calibration pese apo flow meter inoratidza kuyerera kudiki pazero flow conditions.
Ngatitii kuyerera chaiko kuri zero, asi mita inoratidza nguva dzose:
+0.08 m/s
Kuongororwa kwe zero kunogona kuderedza kukosha kunoratidzwa kusvika pa zero.
Zvisinei, kana chikonzero chaicho chiri mabubble emhepo, kudedera, kusarongeka kwetransducer, kana kubuda kwevharuvhu, kukanganisa kunogona kusagara kuripo.
Semuenzaniso, kuverenga kunogona kuchinja kubva pa:
+0.08 m/s → -0.03 m/s → +0.05 m/s
Muchiitiko ichi, hapana kugadzirisa dambudziko riripo.
Nzira iri nani yekugadzirisa matambudziko ndeye:
Simbisa kuti hapana kuyerera kwemvura → Tarisa mamiriro epombi → Tarisa kuiswa kwetransducer → Tarisa simba rechiratidzo → Tarisa mabubble emhepo uye kudedera → Tarisa mamiriro ekupisa → Ita calcification ye zero kana zvichidikanwa
8. Maitiro Ekusiyanisa Mhando Dzakasiyana dzeMatambudziko eZero-Point
| Maitiro eKuyera Kuyerera | Zvinogona Kukonzera |
|---|---|
| Kuyerera kwakanaka kudiki kwakagadzikana | Kuyerera kwemvura kwakaderera, kuderedzwa kwekuisa, kana kukanganisa kwe zero-point |
| Kuyerera kuri kuchinja zvishoma nezvishoma pedyo ne zero | Kuchinja kwetembiricha kana mamiriro emunzwi |
| Kuchinja-chinja nekukurumidza kwakatenderedza zero | Mabhubhu emhepo, kudedera, kana chiratidzo chisina kugadzikana |
| Kurasikirwa kamwe kamwe kwekugadzikana kwe zero | Kubatana kwetransducer kana kuchinja kwemamiriro epombi |
| Ziro yakagadzikana mushure mekugadziriswa asi inodzungaira zvakare gare gare | Dambudziko guru rekuisa kana kugadzirisa |
Kuyerera kwe zero-point mu ultrasonic flow meter ndikohazvikonzerwi hazvo nechinhu chemagetsi che zero point pachayo.
Mumashandisirwo mazhinji epasirese, zvinoita sekunge kudonha kwe zero-point kunoonekwa semhedzisiro yemusanganiswa wekuyerera kwakaderera chaiko, kuiswa kwetransducer, kudedera kwepombi, mabubble emhepo, shanduko dzetembiricha, mhando yechiratidzo, uye kugadzikana kwekuyera kwemagetsi.
Saka, nzira chaiyo haisi yekungogadzirisa zero point. Mainjiniya anofanira kutanga aona kana dambudziko racho richibva papombi, mvura, kuiswa, chiratidzo cheacoustic, kana zvemagetsi.
Pakuyera ma flow meter e clamp-on ultrasonic, tarisaSimba reChiratidzo, kugadzikana kwechiratidzo, nzvimbo ye transducer, mamiriro epombi, uye mhando yekubatanidzazvinonyanya kukosha usati waita zero calibration.
Nguva yekutumira: Nyamavhuvhu-17-2026