Kufamba - Zvinonzwa Nguva
Masensa ekufamba kwenguva anoshanda zvichibva papfungwa yekuyera musiyano wenguva yemafungu e ultrasonic kuti afambe akananga kuyerera uye achipesana nekwainoenda kuyerera. Masensa aya anowanzo kuve nemasensa maviri e ultrasonic. Transducer imwe inoshanda se transmitter, ichiburitsa mafungu e ultrasonic mumvura, nepo imwe inoshanda se receiver.
Kana mvura iri kufamba, mafungu e ultrasonic anofamba achidzika anosvika panzvimbo inogamuchira mvura munguva pfupi kana tichienzanisa neaya ari kufamba achikwira. Nekuyera musiyano wenguva iyi nemazvo, kumhanya kwekuyerera kwemvura kunogona kuverengerwa. Ma sensor enguva ekufambisa akarurama zvikuru uye akakodzera kuyera kuyerera kwemvura yakachena uye yakafanana. Anowanzo shandiswa mumashandisirwo anodiwa pakuyera kuyerera kwakanyatsojeka, senge mumafekitori ekugadzirisa makemikari ekuyera kuyerera kwemvura yakachena kana mune dzimwe nzvimbo dzekuchenesa mvura.
Mhedzisiro yeDoppler- MaSensor Akavakirwa Pamutemo
Doppler effect - sensors dzinoshandisa Doppler effect, iyo inoitika kana paine kufamba pakati pechinhu chinopa ultrasonic (transmitter), mvura, uye receiver. MuDoppler ultrasonic flow meter, ultrasonic transducer inoburitsa mafungu e ultrasonic mumvura. Kana paine zvidimbu kana mabubbles mumvura, mafungu e ultrasonic achapararira nezvinhu izvi zvinofamba. Kuwanda kwemafungu akapararira anogamuchirwa ne transducer kuchasiyana ne frequency inoburitswa.
Kuchinja uku kwefrequency kunoenderana nekumhanya kwezvikamu kana mabubbles ari mumvura, saka, kumhanya kwekuyerera kwezvikamu kunogona kuonekwa. Ma sensors akavakirwa paDoppler anonyanya kubatsira pakuyera kuyerera kwezvikamu zvine zvikamu kana mabubbles akamiswa, zvakaita semvura yetsvina muzvigadziko zvekuchenesa mvura yakasviba, slurry dzemuindasitiri yepulp nepepa, kana musanganiswa wemafuta muindasitiri yepeturu.
Kuwedzera kune idzi mhando mbiri huru, kunewo mamwe ma hybrid sensors anosanganisa zvinhu zve transit - nguva uyeMhedzisiro yeDoppler- ma sensors akavakirwa pa hybrid. Aya ma sensors ehybrid anovavarira kushandisa simba remhando dzese dze sensor, zvichipa zviyero zvekufamba zvakanaka uye zvakavimbika mumamiriro ezvinhu akaomarara emvura.
Mukupedzisa, sarudzo yechikamu che sensor muneChiyero chekuyerera kweDoppler ultrasoniczvinoenderana nerudzi rwemvura iri kuyerwa. Masensa ekufamba kwenguva akanakira mvura yakachena, nepo masensa akavakirwa paDoppler effect akakodzera mvura ine zvinhu zvakasungirirwa. Kunzwisisa zvikamu zvemasensa aya kwakakosha kuti mainjiniya nevashandisi vasarudze mita yekuyerera yeDoppler ultrasonic yakakodzera mashandisirwo avo chaiwo, vachiona kuti kuyerwa kwekuyerera kwakarurama uye kunoshanda.
Nguva yekutumira: Kurume-17-2025