Dab tsi yog ib qho ultrasonic transducer
Qhov ultrasonic transducer feem ntau yog tsim los ntawm peb ntu: lub tshuab hloov pauv, lub suab txuas ntxiv (tseem hu ua tus pas nrig theem nrab, lub tshuab raj), thiab lub taub hau vuam (tseem hu ua vuam tuag).
Transducer (TRANSDUCER): Lub luag haujlwm ntawm kev hloov pauv yog hloov ua hluav taws xob cov cim rau hauv kev co lub tshuab kev co. Muaj ob lub ntsiab ntawm kev siv lub cev uas tuaj yeem siv los hloov hluav taws xob cov hluav taws xob mus rau cov teeb liab kev co tshuab A: Magnetostrictive effect, B: Sab cuam tshuam ntawm cov nyhuv piezoelectric. Magnetostrictive effect feem ntau siv hauv kev siv ultrasonic thaum ntxov. Nws cov txiaj ntsig yog qhov uas nws tuaj yeem ua rau lub zog loj muaj peev xwm; nws qhov tsis zoo yog tias qhov ua tau zoo ntawm hloov dua siab tshiab yog tsawg, kev tsim tawm yog qhov nyuaj, thiab nws yog qhov nyuaj rau siv rau kev lag luam loj ntau lawm. Thiab txij li kev tsim ua ntawm Langevin piezoelectric ceramic transducer, nws tau ua daim ntawv thov ntawm piezoelectric effect thim rov qab siv dav siv. Piezoelectric ceramic hloov khoom muaj qhov zoo ntawm kev hloov dua siab tshiab thiab tsim nyog rau kev tsim khoom siv. Qhov tsis zoo yog tias lub peev xwm tsim tawm yog qhov me me. Tshuab ultrasonic uas twb muaj lawm feem ntau siv cov piezoelectric tej hub hloov. Lub piezoelectric ceramic transducer yog tsim los ntawm kev siv ob txoj hauv kev hlau pem hauv ntej thiab lub nraub qaum thauj khoom mus rau cov qhaub cij ntawm piezoelectric ceramic thiab sib txuas los ntawm lub hau ntswj. Cov zis zaus ntawm cov transducer zoo tib yam yog li 10μm.
HORN: Kev ua haujlwm ntawm lub taub hau vuam yog ua cov khoom yas tshwj xeeb, uas ua tau raws li qhov yuav tsum tau ua ntawm cov duab thiab ua ntau ntawm cov feem ntawm cov yas.
Cov transducers, amplifiers, thiab vuam taub hau yog txhua tus tsim los ua ib nrab nthwv dej ntawm qhov ua haujlwm ultrasonic zaus, yog li lawv qhov loj thiab cov duab yuav tsum tau tsim tshwj xeeb. Txhua qhov pauv hloov yuav ua rau muaj qhov hloov pauv ntawm zaus thiab kev ua haujlwm. Lawv yuav tsum muaj kev txawj ntse tsim lawv. Nyob ntawm cov khoom xaiv, qhov loj yuav txawv. Cov ntaub ntawv tsim nyog rau ultrasonic transducers, tshuab raj thiab lub taub hau vuam yog: titanium alloy, aluminium alloy, alloy hlau, thiab lwm yam Vim hais tias ultrasound tas li vibrating nrog lub siab ntawm txog 20kHz, qhov yuav tsum muaj rau cov ntaub ntawv yog tshwj xeeb siab, thiab lawv tsis muaj peev xwm them taus. rau cov khoom siv zoo tib yam
