Nhanganyaya
Ma ultrasonic flowmeterszvave zvishandiso zvekuyera kuyerera zvisingapindike zvemapaipi emvura negesi mumaindasitiri emvura, makemikari, simba uye ekudziyisa. Pakati pemhando dzese, mita dzemagetsi dzemagetsi dzine nzira imwe chete dzinokwanisika asi dzakaganhurirwa pakunyatsojeka, nepo mita dzemagetsi dzemagetsi dzine nzira mbiri (dzakasiyana) dzinoonekwa nekunyatsojeka kwekuyera kwepamusoro uye kugadzikana kuri nani mumamiriro ezvinhu akaomarara ekushanda. Kunyatsojeka kwematanho emagetsi emagetsi emagetsi emagetsi emagetsi emagetsi anobva pakurongeka kwechiratidzo cheacoustic, kubhadhariswa kwezvikanganiso mumunda wekuyerera, dhizaini yekudzivirira kukanganiswa uye maalgorithms ekuverenga echiratidzo epamusoro. Chinyorwa chino chinotsanangura zvikonzero zvikuru zvehunyanzvi zviri shure kwekunyatsojeka kwayo uye chinoenzanisa mashandiro ayo nemidziyo yemagetsi emagetsi munzvimbo chaiyo yemapaipi.
1. Nheyo Yekuyera Yekutanga yeUltrasonic Flowmeters
Ma ultrasonic flowmetersshandisa nzira yekusiyanisa nguva yekufamba senzira yekuyera huru. Matransmitter nemareceiver akaiswa pamadziro epombi anotumira ma ultrasonic pulses mupombi. Kana mvura isingachinji, nguva yekupararira kweruzha yekumberi neyekumashure yakaenzana. Kana mvura kana gasi richiyerera, mafungu eruzha anofamba achidzika anofamba nekukurumidza, uye mafungu eruzha ekumusoro anodzikiswa nekusagadzikana kwemvura. Sisitimu iyi inoverenga avhareji yekufamba kweruzha zvichibva pamusiyano wenguva uye inoverengerawo huwandu hwekuyerera kweruzha.
Mita ine nzira imwe chete inongoisa peya imwe chete yematransducers pamwe chete nechord imwe chete mukati mepombi. Inongobata kumhanya kwekuyerera kwemvura munzira iyoyo imwe chete, iyo isingakwanise kuratidza kupararira kwekukurumidza kwemvura muchikamu chose chepombi. Kusiyana neizvi, ma flowmeter e ultrasonic ane nzira mbiri anoshandisa ma acoustic chords maviri akazvimiririra panzvimbo dzakasiyana dzemukati mepombi, achiunganidza data rekumhanya kubva kumatanho maviri akasiyana ekuyerera kwemvura panguva imwe chete, achiisa hwaro hwe hardware kuti ive yakanyatsojeka.
2. Nzira mbiri dzinobvisa zvikanganiso zvinokonzerwa nekupararira kwekufamba kwemhepo kusina kuenzana
Mumamiriro ezvinhu akanaka murabhoritari, mvura iri mukati mepaipi yakatwasuka yakagadzirwa zvakakwana inoumba munda weparabolic velocity wakaenzana: kumhanya kukuru kwekuyerera kunoonekwa pakati pepaipi, uye kumhanya kunodzikira zvishoma nezvishoma pedyo nemadziro epaipi. Mamita enzira imwe chete anowanzo ronga mutsetse weacoustic panzvimbo yepakati kuti aenzanise kumhanya kwepamusoro, izvo zvinoshanda zvakanaka pasi pekuyerera kwakakwana kwe laminar.
Zvisinei, mapaipi chaiwo emaindasitiri haawanzo chengetedza mamiriro ekuyerera akakodzera. Magokora, mavharuvhu, zvinoderedza simba, mapombi nemapaipi ebazi zvinogadzira minda yekuyerera yakakanganisika, isina kuenzana. Chiyero chimwe chete chinogona kupfuura nenzvimbo yekuyerera inokurumidza kana inononoka, zvichikonzera kutsauka kukuru kwekuyera.
Ma flowmeter e ultrasonic ane nzira mbiri anogadzirisa dambudziko iri zvakanyanya. Nzira mbiri idzi dzakarongwa nenzira yakayambuka kana kuti yakaparadzana, dzichifukidza nzvimbo dzepamusoro, dzepasi, dzekuruboshwe nedzekurudyi dzechikamu chepombi. Chinodzora chinoyera huwandu hwevelocity hwakaunganidzwa kubva munzira mbiri dzakazvimiririra kuti dzidzivirire velocity isina kujairika yenzvimbo. Kunyangwe paine kukanganisa kukuru kwekuyerera kunokonzerwa nezvikamu zvipfupi zvepombi, data rakabatanidzwa kubva munzira mbiri rinogona kudzoreredza avhareji chaiyo yekumhanya kwekuyerera kwechikamu, zvichideredza zvakanyanya zvikanganiso zvekuyera kuyerera kunokonzerwa neprofile.
3. Kukwanisa Kwakasimba Kwekugadzirisa Kusagadzikana, Kudedera uye Kukanganiswa Kwepakati
Kudengenyeka kwemapaipi, mabubble madiki, zvidimbu zvakamiswa uye kushanduka kwekushisa zvese zvinokanganisa kutumirwa kwechiratidzo che ultrasonic, zvichikonzera kusvetuka kwechiratidzo ipapo ipapo uye zvikanganiso zvekuyera zvisina tsarukano. Mamita enzira imwe chete anovimba neseti imwe chete yezviratidzo zve acoustic; kana nzira yavharwa kana kudzikira nemabubble, mhedzisiro yese yekuyera inotsauka zvakanyanya.
Pamichina ine nzira mbiri, kupindirana hakuwanzokanganisa ma "acoustic chords" maviri panguva imwe chete. Kana imwe nzira ikakanganiswa ne "signal" kubva kuma "air bubbles" kana "sediment", nzira yechipiri inogona kuburitsa data re "stable velocity". Microprocessor yakavakirwa mukati inoongorora zviratidzo zvisina kujairika otomatiki, inorema data rinoshanda kubva kuma "channels" ese uye inobvisa ruzha rusina kurongeka. Kudzokororwa kwe "dual-channel" uku kunoderedza kushanduka kwekuverenga kwe "instantly flow" uye kunovandudza kudzokorora kwekuyera kwenguva refu, chiratidzo chikuru che "high measurement".
4. Kuderedzwa kweKuvimba neZvikamu zvePaipi Yakatwasuka
Zvesema ultrasonic flowmeterszvinoda zvikamu zvepombi dzakatwasuka kumusoro nekudzika kuti zvigadzire nzvimbo dzakagadzikana dzekuyerera. Mamita enzira imwe chete anoda hurefu hwakareba hwepombi dzakatwasuka kuderedza kukanganisa kwekuyerera kwemvura, izvo zvinounza miganhu mikuru yekuisa munzvimbo dzemaindasitiri dzakamanikana dzine mavharuvhu akakora nemagokora. Kana nzvimbo yekuisa ikasasangana nezvinodiwa zvepombi dzakatwasuka, kururama kuchaderera zvakanyanya.
Nekuda kwekugadzirisa nzvimbo yekuyerera kwemvura pakati penzira dzakasiyana, ma ultrasonic flowmeters anotsungirira zvikamu zvipfupi zvepombi dzakatwasuka. Ma chords maviri ekuyera anogadzirisa pamwe chete kuyerera kusina kuenzana, zvichideredza mhedzisiro yekuwedzera kwekukanganisa kwehurefu hwepombi dzakatwasuka dzisina kukwana. Muinjiniya inoshanda, ma two-path metres anogona kuchengetedza kururama kwe class 0.5 kana class 1.0 pasi penzvimbo shoma yekuisa, nepo single-path metres inowanzo derera kusvika class 2.0 kana kupfuura pasi pemamiriro akafanana.
5. Algorithm yeAdvanced Dual-Channel Synchronous Operation
Kurongeka kwemidziyo chete hakugone kuvimbisa kunyatsojeka pasina software yekuverenga yakafanana.ma ultrasonic flowmetersshandisa tekinoroji yekuenzanisa sampuli: mapoka maviri e transducers anotumira uye anogamuchira masaini e ultrasonic panguva imwe chete. Iyo processor inoverenga zvinoenderana nenguva yekufambisa yenzira dzese dziri mbiri, inobvisa zvikanganiso zvenguva pakati pematanho akasiyana ekuenzanisa sampuli, uye inoshandisa ma algorithms eweighted kuti igadzirise kumhanya kwekuyerera kwechikamu chepakati.
Mamwe mamodheru akagadziridzwa anowedzera mamodheru ekugadzirisa tembiricha uye kumhanya kweruzha kune chiteshi chimwe nechimwe zvakasiyana. Anogadzirisa kumhanya kwekuparadzira ruzha zvakasiyana munzira mbiri dzeacoustic kudzivirira kupararira kwepakati nepakati kusina kuenzana, zvichiwedzera kuderedza zvikanganiso zvehurongwa uye kuita kuti pave nekunyatsojeka kwakasimba pamusoro pekupisa kwakafara uye kuyerera kwemvura.
6. Kuenzanisa Kushanda Kwekuita Kwakarurama
Pasi pemamiriro ezvinhu akajairwa ekurabhoritari, nzira imwe chetemamita e ultrasonickazhinji inosvika padanho rekururama re ±1.0% ~ ±2.0% yekuverenga. Zvigadzirwa zvenzira mbiri zvinowana kururama kwakasimba kwe ±0.5% ~ ±1.0%. Munzvimbo dzakaoma dzekuyerera kwemvura dzine magokora nemavharuvhu, kukanganisa kwekuyera kwenzira imwe chete kunogona kukwira pamusoro pe ±3%, nepo mita dzenzira mbiri dzichidzora kukanganisa kwese mukati me ±1.0%. Kunyatsojeka uku kwakasimba kunoita kuti mita dzenzira mbiri dze ultrasonic dzikwane pakuyera kwekutengeserana, kuyerwa kwesimba remagetsi uye mamiriro epamusoro ekugadzirisa zviwanikwa zvemvura uko kururama kwekuyera kunokanganisa zvakananga mabhenefiti ehupfumi.
Mhedziso
Kunyatsojeka kwenzira mbirima ultrasonic flowmetersmukana wakabatanidzwa wekugadzira ma "double cross acoustic layout", "flow field distortion compensation", "redual anti-inference design", "low straight pipe requirement" uye "synchronous dual-channel operation algorithms". Kusiyana nema "single-path metres" akaganhurirwa kumamiriro e "pombi" ari nyore, akakodzera, "dual-path" michina inokwanisa kubvisa zvinhu zvakasiyana-siyana zvinokanganisa nzvimbo uye inodzoreredza avhareji chaiyo yekufamba kwemvura mu "cross-section" yepombi yese. Sezvo maindasitiri achisimudzira mwero wakaoma wekugadzirisa kutengeserana uye kutarisa mvura chaiyo, "dual-path ultrasonic flowmeters" inova mhinduro yekuyera yakanyatsonaka yekuyera mvura negasi muma "industrial pipeline systems".
Nguva yekutumira: Chikumi-29-2026