Common Applications ntawm Ultrasonic Transducers

Kev ua haujlwm ntawm ultrasonic transducer yog hloov cov khoom siv hluav taws xob rau hauv lub zog siv hluav taws xob (piv txwv li, ultrasonic tsis) thiab tom qab ntawd xa tawm, thaum siv ib feem me me ntawm lub zog nws tus kheej.

Ultrasonic transducers tau dav siv, thiab lawv tau muab faib ua kev lag luam, kev ua liaj ua teb, kev thauj mus los, lub neej, kev kho mob thiab tub rog raws li kev lag luam hauv daim ntawv thov. Raws li kev paub txog kev ua haujlwm, nws tau muab faib ua ultrasonic ua, ultrasonic tu, kuaj ultrasonic, kuaj xyuas, ntsuas, telemetry, chaw taws teeb tswj, thiab lwm yam .; raws li qhov chaw ua haujlwm, nws muab faib ua kua, roj, lub cev muaj sia, thiab lwm yam .; Raws li qhov xwm txheej, nws tau muab faib ua lub zog ultrasonic, nrhiav kom tau ultrasonic, ultrasonic imaging, thiab lwm yam.

1. Piezoelectric ceramic transformer

Piezoelectric ceramic transformers siv cov nyhuv piezoelectric ntawm lub cev piezoelectric tom qab polarization kom ua tiav cov zis hluav taws xob. Lub tswv yim yog tsav los ntawm lub sinusoidal voltage teeb liab, thiab nws vibrates los ntawm cov inverse piezoelectric nyhuv. Lub vibration nthwv dej yog mechanically txuas mus rau qhov tso zis los ntawm cov tswv yim thiab cov khoom tso tawm, thiab cov khoom tso tawm tsim hluav taws xob los ntawm cov txiaj ntsig zoo piezoelectric kom paub txog lub zog hluav taws xob ntawm lub cev piezoelectric. - Ob qhov kev hloov pauv ntawm lub zog hluav taws xob-hluav taws xob kom tau txais qhov siab tshaj plaws tso zis hluav taws xob ntawm qhov resonant zaus ntawm piezoelectric transformer. Piv nrog electromagnetic transformers, qhov no muaj qhov zoo ntawm qhov me me, lub teeb yuag, siab zog ceev, kev ua haujlwm siab, tawg tsis kam, kub tsis kam, tsis ntshai kub, tsis muaj electromagnetic cuam tshuam thiab electromagnetic suab nrov, thiab cov qauv yooj yim, ua kom yooj yim, yooj yim rau huab hwm coj ntau lawm, nyob rau hauv tej qhov chaw ua zoo tagnrho hloov Cheebtsam rau electromagnetic transformers thiab lwm yam zoo. Xws li transformers yog siv nyob rau hauv kev hloov pauv hloov pauv, lub khoos phis tawj phau ntawv, lub teeb neon tsav tsheb, thiab lwm yam.

2. Ultrasonic lub cev muaj zog

Lub tshuab ultrasonic siv lub stator ua lub tshuab hloov pauv, siv cov nyhuv piezoelectric rov qab ntawm cov piezoelectric siv lead ua kom lub cev muaj zog stator vibrate ntawm ultrasonic zaus, thiab tom qab ntawd xa lub zog los ntawm kev sib txhuam ntawm stator thiab lub rotor tsav lub rotor tig. Ultrasonic motors muaj me me, loj torque, siab daws teeb meem, qauv yooj yim, ncaj qha tsav, tsis muaj braking mechanism, thiab tsis muaj bearing mechanism. Cov txiaj ntsig zoo no muaj txiaj ntsig zoo rau kev ua haujlwm me me ntawm lub cuab yeej. Ultrasonic motors yog dav siv nyob rau hauv optical instruments, lasers, semiconductor microelectronics, precision machinery thiab instruments, neeg hlau, tshuaj thiab bioengineering.

3. Ultrasonic tu

Lub tshuab ntawm ultrasonic tu yog siv lub cev los ntawm cavitation, hluav taws xob siab, suab nrov, thiab lwm yam thaum lub ultrasonic yoj propagates nyob rau hauv cov tshuaj ntxuav, mechanically tev tawm cov av ntawm qhov chaw tu, thiab tib lub sijhawm, nws tuaj yeem txhawb kev tsim tshuaj lom neeg ntawm cov tshuaj ntxuav thiab cov av. cov tshuaj tiv thaiv kom ua tiav lub hom phiaj ntawm kev ntxuav cov khoom. Qhov zaus siv los ntawm lub tshuab ntxuav ultrasonic tuaj yeem xaiv los ntawm 10 mus rau 500 kHz raws li qhov loj thiab lub hom phiaj ntawm cov khoom tu, feem ntau 20 txog 50 kHz. Nrog rau qhov nce ntawm ultrasonic transducer zaus, Langevin oscillator, longitudinal oscillator, thickness oscillator, thiab lwm yam yuav siv tau. Nyob rau hauv cov nqe lus ntawm miniaturization, kuj muaj radial kev co thiab dabtsi yog khoov kev co ntawm lub wafer vibrator. Ultrasonic tu yog siv ntau hauv kev lag luam, kev ua liaj ua teb, khoom siv hauv tsev, khoom siv hluav taws xob, tsheb, roj hmab, luam ntawv, dav hlau, khoom noj khoom haus, tsev kho mob, thiab kev tshawb fawb kho mob.

4. Ultrasonic vuam

Ultrasonic vuam tuaj yeem muab faib ua ob pawg: ultrasonic hlau vuam thiab ultrasonic yas vuam. Ntawm lawv, ultrasonic yas vuam tshuab tau dav siv. Nws siv lub ultrasonic kev co generated los ntawm lub transducer mus kis lub zog ultrasonic kev co mus rau lub vuam cheeb tsam los ntawm lub qaum weldment. Vim yog qhov loj acoustic tsis kam nyob rau hauv qhov chaw vuam, uas yog, qhov sib txuas ntawm ob qhov kev sib txuas, qhov kub thiab txias hauv zos yuav raug tsim kom yaj cov yas, thiab kev ua haujlwm vuam yuav ua tiav raws li qhov kev txiav txim ntawm kev sib cuag. Ultrasonic yas vuam tuaj yeem pab txhawb qhov vuam ntawm qhov chaw uas tsis tuaj yeem welded los ntawm lwm txoj kev vuam. Tsis tas li ntawd, nws tseem txuag tau tus nqi pwm kim ntawm cov khoom yas, txo lub sijhawm ua haujlwm, txhim kho kev tsim khoom, thiab muaj cov yam ntxwv ntawm kev lag luam, ceev thiab kev ntseeg siab.

5. Ultrasonic ua

Cov zoo abrasive yog siv rau lub workpiece nrog ib tug tej yam zoo li qub siab ua ke nrog lub ultrasonic machining cuab tam, thiab tib yam li lub cuab tam yuav machined. Thaum lub sij hawm ua, lub transducer yuav tsum tsim kom muaj ib tug amplitude ntawm 15 mus rau 40 microns ntawm ib tug zaus ntawm 15 mus rau 40 kHz. Lub cuab yeej ultrasonic ua rau cov abrasive ntawm qhov chaw ntawm lub workpiece tsis tu ncua cuam tshuam nrog kev cuam tshuam loj heev, rhuav tshem cov hluav taws xob ultrasonic, thiab rhuav tshem cov khoom kom ua tiav lub hom phiaj ntawm kev tshem tawm cov khoom. Ultrasonic ua yog tsuas yog siv nyob rau hauv kev ua cov nkig thiab tawv cov ntaub ntawv xws li lub pov haum, jade, marble, agate, thiab cemented carbide, nrog rau cov txheej txheem ntawm tshwj xeeb-zoo li tus qhov thiab nplua thiab tob qhov. Tsis tas li ntawd, ntxiv ultrasonic transducers rau cov cuab yeej txiav zoo tib yam kuj tuaj yeem ua lub luag haujlwm hauv kev txhim kho qhov tseeb thiab kev ua haujlwm zoo.

6. Ultrasonic poob phaus

Siv cov nyhuv cavitation thiab micro-mechanical vibration ntawm ultrasonic transducer, cov roj ntsha ntau dhau hauv tib neeg cov epidermis tawg, emulsified thiab tawm ntawm lub cev, thiaj li ua tiav lub hom phiaj ntawm kev poob phaus thiab shaping. Qhov no yog lub tshuab tshiab tsim thoob ntiaj teb hauv xyoo 1990s. ltalis Zocchi siv ultrasonic tshem tawm cov rog thawj zaug hauv txaj, thiab ua tiav kev ua tiav, tsim kom muaj kev ua ntej rau kev phais yas thiab kev zoo nkauj. Ultrasonic roj tshem tawm tshuab tau tsim sai heev hauv tsev thiab txawv teb chaws.

7. Ultrasonic yug me nyuam

Tsim nyog zaus thiab kev siv ntawm ultrasonic irradiation ntawm cov noob cog tuaj yeem txhim kho cov kab mob ntawm cov noob, txo tus nqi ntawm pwm rot, txhawb kev loj hlob ntawm cov noob, thiab txhim kho kev loj hlob ntawm cov nroj tsuag. Raws li cov ntaub ntawv, ultrasound tuaj yeem nce qhov kev loj hlob ntawm qee cov noob cog los ntawm 2 mus rau 3 zaug.

8. Electronic sphygmomanometer

Ultrasonic transducer yog siv los tau txais lub siab ntawm cov hlab ntsha. Thaum lub zais pa yog compressed thiab nias tawm tsam cov hlab ntsha, lub ultrasonic transducer tsis tuaj yeem hnov ​​​​lub siab ntawm cov hlab ntsha vim hais tias lub siab thov siab tshaj qhov vasodilation siab. Thaum lub siab ntawm cov hlab ntsha txo mus rau ib qho nqi, qhov siab ntawm ob mus txog qhov sib npaug. Nyob rau lub sijhawm no, ultrasonic transducer tuaj yeem hnov ​​​​lub siab ntawm cov hlab ntsha, uas yog lub siab systolic ntawm lub plawv. ntshav siab tus nqi. Lub tshuab hluav taws xob sphygmomanometer tuaj yeem txo qhov kev siv zog ntawm cov neeg ua haujlwm kho mob vim qhov kev tshem tawm ntawm lub stethoscope.

9. Telemetry thiab chaw taws teeb tswj

Nyob rau hauv cov tshuaj lom neeg, xov tooj cua thiab lwm qhov chaw hnyav, tib neeg tsis tuaj yeem ua haujlwm ze rau nws, thiab yuav tsum tau tswj xyuas qhov chaw deb; Cov hluav taws xob hloov pauv xws li TV, kiv cua, thiab teeb xav tau cov chaw taws teeb tswj, thiab ultrasonic transducers tuaj yeem ntsia tau los xa cov nthwv dej ultrasonic los ntawm qhov chaw nyob deb. Lub txais transducer ntawm qhov kev tswj hwm hloov lub teeb liab acoustic rau hauv lub teeb liab hluav taws xob los ua qhov hloov pauv.

10. Kev saib xyuas tsheb

Nyob rau hauv niaj hnub tsheb, nws yog ib qho tsim nyog yuav tau saib xyuas kev hla thiab suav cov tsheb txhawm rau txhawm rau txhawm rau ua haujlwm ntawm cov tsheb. Piv txwv li, qhov chaw saib xyuas kev khiav tsheb nruab ib lub tshuab hluav taws xob ultrasonic thiab nws cov cuab yeej pabcuam rau ob qho tib si transceiver thiab kis tau tus mob. Thaum lub tsheb hla dhau, lub acoustic pulse rov qab los, thiab cov naj npawb ntawm cov tsheb niaj hnub tuaj yeem tau los ntawm kev suav thiab sib sau. Ob lub hom phiaj transducer yog ntsia rau tom qab ntawm lub tsheb kom tiv thaiv kev sib tsoo rov qab. Txhim kho qhov tau txais piezoelectric ultrasonic transducer ntawm txoj kev tuaj yeem saib xyuas lub suab nrov.

11. Kev sib tw

Ultrasonic ranging ntaus ntawv kuj hu ua suab kav. Nws ntsuas lub sij hawm mem tes luv los ntawm lub hom phiaj dual-hom transducer. Lub suab ntsuas tuaj yeem ntsuas qhov deb li ntawm 10m, thiab qhov tseeb tuaj yeem ncav cuag ntau txhiab.

12. Kev kuaj pom cov pa paug thiab kuaj pom roj

Rau qhov system siab, ntawm qhov xau, lub suab nrov dav hlau yog tshwm sim los ntawm qhov sib txawv ntawm qhov siab ntawm sab hauv thiab sab nraud ntawm lub nkoj siab. Lub suab nrov no yog qhov dav heev. Rau cov tshuab tsis muaj zog, ib qho ultrasonic tuaj yeem muab tso rau hauv lub kaw lus kaw thiab tau txais los ntawm sab nraud kaw. Feem ntau, lub teeb liab amplitude ntsuas thaum tsis muaj qhov xau me me los yog tsis muaj, thiab lub teeb liab amplitude nyhav nce dheev ntawm qhov to. Gas flow detection kuj yog ib qho tseem ceeb hauv kev lag luam tshuaj. Muaj ntau yam amplifications rau kev khiav dej num, xws li rotameters thiab lwm yam. Tab sis lub ntsiab kom zoo dua ntawm kev siv lub ultrasonic transducer yog tias nws tsis cuam tshuam cov dej ntws.

13. Kev sau ntaub ntawv

Txhawm rau kom paub txog kev ua haujlwm xws li taug kev dawb hauv qhov chaw thiab paub txog cov khoom, cov neeg hlau ntse tsis tsuas yog yuav tsum siv ultrasonic transducers los ntsuas qhov deb thiab coj qhov muag tsis pom kev, tab sis kuj yuav tsum tau paub txog cov duab. Yog li ntawd, me me ultrasonic transducer arrays yuav tsum tau ua kom tiav ntau lub zog, thiab qhov nam no yuav dhau los ua cov ntsiab lus tseem ceeb ntawm kev tshawb fawb, nyiam ntau tus kws tshawb fawb los siv zog rau nws.