Yuav ua li cas thiaj ua tau lub tshuab hluav taws xob ultrasonic? Kev piav qhia

Cov txheej txheem:

Yuav ua li cas thiaj ua tau lub tshuab hluav taws xob ultrasonic? Kev piav qhia
Yuav ua li cas thiaj ua tau lub tshuab hluav taws xob ultrasonic? Kev piav qhia

Video: Yuav ua li cas thiaj ua tau lub tshuab hluav taws xob ultrasonic? Kev piav qhia

Video: Yuav ua li cas thiaj ua tau lub tshuab hluav taws xob ultrasonic? Kev piav qhia
Video: Saib Mis paub Poj niam (hluas nkauj) tus yam ntxwv lub siab 2024, Hlis ntuj nqeg
Anonim

Nco ntsoov peb txhua tus tau hnov cov lus qhia "ultrasound" - hauv kab lus no peb yuav saib seb nws yog dab tsi, nws tsim li cas, thiab nws yog dab tsi.

ultrasonic vibration generators
ultrasonic vibration generators

Lub tswvyim ntawm "ultrasound"

Ultrasound yog txhua yam kev vibrations uas siab dua qhov ntau zaus uas tib neeg pob ntseg hnov. Oscillations ntawm ultrasound yog me ntsis reminiscent ntawm nthwv dej zoo ib yam li lub teeb. Tab sis, tsis zoo li lub teeb-hom nthwv dej, uas nthuav tawm tsuas yog hauv lub tshuab nqus tsev, ultrasound xav tau qhov nruab nrab elastic - kua, roj, lossis lwm yam khoom hauv lub cev.

Basic parameters of ultrasound

Qhov tsis tseem ceeb ntawm ultrasonic nthwv dej yog suav tias yog lub wavelength thiab lub sijhawm. Lub sij hawm nws yuav siv sij hawm rau tag nrho lub voj voog yog hu ua lub sij hawm nthwv dej thiab ntsuas hauv vib nas this.

Lub emitter ultrasonic yog suav tias yog lub tshuab hluav taws xob muaj zog tshaj plaws ntawm ultrasonic nthwv dej. Ib tug neeg tsis tuaj yeem hnov qhov ultrasonic zaus, tab sis nws lub cev muaj peev xwm hnov nws. Nyob rau hauv lwm yam lus, tib neeg pob ntseg perceives ultrasonic zaus, tab sis ib feem ntawm lub hlwb lub luag hauj lwm rau hnov tsis tau decipher no suab yoj. Tsis kaj siab rau tib neeg hnovsiab zaus, tab sis yog tias koj tsa qhov zaus los ntawm ib qho ntxiv, ces lub suab yuav ploj mus - txawm tias nws yog nyob rau hauv ultrasonic zaus. Thiab lub hlwb tab tom siv zog los txiav txim siab tsis tiav, vim qhov no, ib tus neeg muaj mob taub hau txaus ntshai, kiv taub hau, xeev siab thiab lwm yam tsis zoo siab heev.

ultrasonic generator zog
ultrasonic generator zog

Generators ntawm ultrasonic vibrations yog siv nyob rau hauv tag nrho cov cheeb tsam ntawm technology thiab science. Piv txwv li, ultrasound tuaj yeem tsis tsuas yog ntxhua khaub ncaws, tab sis kuj yog cov hlau. Nyob rau hauv lub ntiaj teb niaj hnub no, ultrasound yog nquag siv nyob rau hauv kev ua liaj ua teb machinery los tua nas, txij li thaum lub cev ntawm cov tsiaj feem ntau yog yoog mus rau kev sib txuas lus nrog lawv tus kheej hom ntawm ib tug ultrasonic zaus. Nws tseem yuav tsum tau hais tias lub tshuab hluav taws xob ultrasonic yoj kuj muaj peev xwm tua kab - niaj hnub no ntau lub tuam txhab tsim cov khoom siv hluav taws xob zoo li no.

Ntau yam ntawm ultrasonic nthwv dej

Ultrasonic nthwv dej tsis yog tsuas yog hla los yog ntev, tab sis kuj ntog thiab Lamb nthwv dej.

Transverse ultrasonic nthwv dej yog nthwv dej uas txav mus rau ntawm lub dav hlau ntawm kev taw qhia ntawm qhov nrawm thiab txav ntawm lub cev.

Longitudinal ultrasonic nthwv dej yog nthwv dej uas nws txav tau sib npaug nrog cov kev taw qhia ntawm qhov nrawm thiab txav ntawm cov khoom nruab nrab.

Tus Me Nyuam Yaj yoj yog ib qho yoj elastic uas nthuav tawm hauv cov txheej txheem uas tsis muaj ciam teb. Nws yog nyob rau hauv no nthwv dej uas lub oscillatory hloov chaw ntawm hais tshwm sim ob qho tib si perpendicular mus rau lub dav hlau ntawm lub phaj thiab nyob rau hauv cov kev taw qhia ntawm kev txav ntawm lub nthwv dej nws tus kheej. Nws yog Lamb yoj -qhov no yog ib txwm nthwv dej hauv platinum nrog dawb ciam teb.

Rayleigh (nto) ultrasonic nthwv dej yog nthwv dej nrog elliptical txav ntawm cov khoom uas nthuav tawm ntawm cov khoom siv. Qhov ceev ntawm lub nthwv dej saum npoo yog yuav luag 90% ntawm qhov nrawm ntawm lub nthwv dej hla, thiab nws nkag mus rau hauv cov khoom sib npaug rau lub wavelength nws tus kheej.

YSiv ultrasound

ultrasonic yoj generator
ultrasonic yoj generator

Raws li tau hais los saum no, kev siv ntau yam ntawm ultrasound, uas nws cov yam ntxwv sib txawv feem ntau yog siv, tuaj yeem muab faib ua peb thaj chaw:

  1. tau txais cov ntaub ntawv;
  2. nquag cuam tshuam rau cov khoom;
  3. kev ua haujlwm thiab kev sib kis.

Nws yuav tsum raug coj mus rau hauv tus account tias rau txhua daim ntawv thov tshwj xeeb nws yog ib qho tsim nyog los xaiv ib qho ultrasound ntawm qee qhov ntau zaus.

Qhov cuam tshuam ntawm ultrasound ntawm teeb meem

Yog tias cov khoom lossis cov khoom poob rau hauv lub zog ntawm ultrasonic nthwv dej, ces qhov no ua rau muaj kev hloov pauv tsis tau hauv nws. Qhov no yog vim tsis-linear teebmeem nyob rau hauv lub suab teb. Hom kev cuam tshuam ntawm cov khoom no yog nrov hauv kev lag luam thev naus laus zis.

Tau txais cov ntaub ntawv siv txoj kev ultrasound

Ultrasonic txoj kev tau dav siv niaj hnub no hauv ntau hom kev tshawb fawb txog kev tshawb fawb txog cov qauv thiab cov khoom ntawm cov khoom, nrog rau kev nkag siab tag nrho ntawm cov txheej txheem ua nyob rau hauv lawv ntawm micro thiab macro qib.

Txhua txoj hauv kev no feem ntau yog ua raws li kev vam khom ntawm kev nthuav tawm nrawm thiab txo qis ntawm acoustic nthwv dej ntawm qhov tshwm sim hauv lawv.cov txheej txheem thiab cov khoom ntawm cov khoom.

Signal processing and transmission

ultrasonic generator
ultrasonic generator

Ultrasonic generators yog siv los hloov thiab sib piv ntau yam ntawm cov teeb liab hluav taws xob hauv txhua ceg ntawm xov tooj cua hluav taws xob thiab tswj lub teeb pom kev hauv optics thiab optoelectronics.

YUa-nws-koj tus kheej ultrasonic transducer

Nyob hauv lub ntiaj teb niaj hnub no, lub tshuab hluav taws xob ultrasonic tau dav siv. Piv txwv li, nyob rau hauv kev lag luam, ultrasonic da dej yog siv kom sai thiab zoo ntxuav ib yam dab tsi. Nws yuav tsum tau hais tias txoj kev ntxuav no tau ua pov thawj nws tus kheej tsuas yog los ntawm sab zoo tshaj plaws. Niaj hnub no, lub tshuab hluav taws xob ultrasonic tau txais txiaj ntsig hauv lwm daim ntawv thov thiab.

Sib dhos UZG Circuit Court kom ntshai dev

Ntau tus neeg nyob hauv lub tebchaws megacities txhua hnub ntsib teeb meem tsis txaus ntseeg ntawm kev ntsib ib pob ntawm cov dev vwm. Nws tsis tuaj yeem kwv yees tus cwj pwm ntawm pab yaj ua ntej, yog li UZG yuav los cawm ntawm no.

ultrasonic chav generator
ultrasonic chav generator

Nyob rau hauv tsab xov xwm no peb yuav txheeb xyuas yuav ua li cas ua lub tshuab hluav taws xob ultrasonic nrog koj tus kheej tes.

Txhawm rau tsim ib qho ultrasound hauv tsev, koj yuav xav tau cov ntsiab lus hauv qab no:

  • Circuit Board;
  • mirkoschema;
  • xov tooj cua engineering ntsiab.

Nws yuav tsis yooj yim rau kev sib sau ua ke ntawm koj tus kheej. Yuav kom tswj tau lub zog, nws yog ib qho tsim nyog yuav tau kho cov xov tooj cua tiv thaiv microcircuit rau cov ceg tshwj xeeb nrog cov hlau soldering.

Cia peb soj ntsuam kev tsim khosiab zog ultrasonic zaus generator. Lub D4049 microcircuit, uas muaj 6 lub logic intertors, ua haujlwm raws li lub tshuab hluav taws xob ultrasonic.

Txawv teb chaws microcircuit tuaj yeem hloov nrog cov analogue ntawm kev tsim khoom hauv tsev K561LN2. Txhawm rau kho qhov zaus, yuav tsum muaj 22k regulator, nrog kev pab los ntawm nws US nws tuaj yeem raug txo kom lub suab nrov. Cov theem tso zis, ua tsaug rau 4 nruab nrab lub zog biopolar transistors, tau txais cov teeb liab los ntawm microcircuit. Tsis muaj cov xwm txheej tshwj xeeb rau kev xaiv cov transistors, qhov tseem ceeb ntawm no yog xaiv cov khub sib txuas uas nyob ze li qhov ua tau raws li qhov tsis muaj.

Yuav luag txhua lub taub hau RF uas muaj lub zog ntawm 5 watts lossis ntau dua tuaj yeem siv los ua lub tshuab hluav taws xob. Qhov kev xaiv zoo tshaj plaws yuav yog cov taub hau hauv tsev xws li 10GDV-6, 10GDV-4 lossis 5GDV-6, lawv tuaj yeem pom tau yooj yim hauv txhua lub tshuab acoustic tsim nyob rau hauv USSR.

Tus kheej-ua Circuit Court ntawm lub tshuab hluav taws xob ultrasonic tseem tsuas yog muab zais rau hauv rooj plaub. Lub tshuab hluav taws xob hlau yuav pab tswj lub zog ntawm lub tshuab hluav taws xob ultrasonic.

Ultrasonic generator circuit

ultrasonic zaus generator
ultrasonic zaus generator

Nyob hauv lub ntiaj teb niaj hnub no, nws yog kev cai siv lub tshuab hluav taws xob ultrasonic los tawm tsam dev, kab, nas, nrog rau kev ntxuav zoo. UZG kuj tseem siv tau los txo lub sijhawm siv ntawm kev ntxuav thiab etching cov ntawv luam tawm hauv Circuit Court. Cov txheej txheem tshuaj lom neeg hauv cov kua ua haujlwm sai dua vim cavitation.

USG Circuit Court yog raws li ob lub tshuab hluav taws xob mem tes thiab lub zog amplifierhom choj. Ntawm cov ntsiab lus ntawm hom DD1.3 thiab DD1.4, lub tshuab hluav taws xob tunable pulse ntawm ultrasonic zaus ntawm cov duab meander yog ntsia. Nws yuav tsum nco ntsoov tias nws qhov kev khiav hauj lwm zaus ncaj qha tsuas yog nyob ntawm tag nrho cov tsis kam ntawm cov resistors R4 thiab R6, nrog rau cov capacitance ntawm capacitor C3.

Nco ntsoov txoj cai: qhov tsawg zaus, qhov ntau dua qhov kev tiv thaiv ntawm cov resistors.

Ntawm cov ntsiab lus DD1.1 thiab DD1.2, lub tshuab hluav taws xob qis qis yog tsim, uas muaj kev khiav hauj lwm zaus ntawm 1 Hz. Cov generators yog interconnected los ntawm cov resistors R3 thiab R4. Txhawm rau ua tiav qhov kev hloov pauv ntawm qhov zaus ntawm lub tshuab hluav taws xob siab, koj yuav tsum siv lub capacitor C2. Ib qho zais cia yuav tsum nco ntsoov ntawm no - yog tias lub capacitor C2 shunted siv hloov SA1, ces qhov zaus ntawm lub tshuab hluav taws xob ntau zaus yuav dhau mus tas li.

Kev siv ultrasound: qhov dav tshaj ntawm daim ntawv thov

Raws li peb txhua tus paub, ultrasound tsis siv nyob qhov twg hauv lub ntiaj teb niaj hnub no. Muaj tseeb peb txhua tus tsawg kawg ib zaug hauv nws lub neej tau txais kev kuaj mob ultrasound (kev kuaj mob ultrasound). Nws yuav tsum tau ntxiv tias nws ua tsaug rau ultrasound uas cov kws kho mob tuaj yeem kuaj pom qhov tshwm sim ntawm cov kab mob ntawm tib neeg lub cev.

Ultrasound yog nquag siv hauv cosmetology rau kev ntxuav ntawm daim tawv nqaij tsis yog los ntawm av thiab rog, tab sis kuj los ntawm epithelium. Piv txwv li, ultrasonic phonophoresis tau ntse siv nyob rau hauv kev zoo nkauj salons rau kev noj haus thiab ntxuav, ntxiv rau moisturizing thiab rejuvenating ntawm daim tawv nqaij. Cov txheej txheem ntawm kev siv ultrasonic phonophoresis txhim kho cov txheej txheem tiv thaiv ntawm daim tawv nqaij vim qhov kev txiav txim ntawm ultrasonic yoj. Cov txheej txheem tshuaj pleev ib ce nrogKev siv ultrasound yog suav tias yog universal thiab haum rau txhua hom tawv nqaij. Ultrasonic phonophoresis echoes txuj ci tseem ceeb!

Lub tshuab hluav taws xob ultrasonic yog siv tsis tau tsuas yog hauv Turkish hammams, Finnish saunas, tab sis kuj nyob rau hauv peb niaj hnub Lavxias teb sab da dej. Ua tsaug rau chav dej, peb lub cev tau zoo ntxuav ntawm cov av tsis pom, peb lub cev tshem tawm cov co toxins thiab co toxins, tawv nqaij thiab plaub hau zoo, chav muaj txiaj ntsig zoo rau tib neeg ua pa.

ua-nws-koj tus kheej ultrasonic generator
ua-nws-koj tus kheej ultrasonic generator

Cov tshuab hluav taws xob pos huab tau nquag siv los ua kom huab cua nyob hauv tsev, uas muaj txiaj ntsig zoo rau kev nyab xeeb hauv chav tsev. Qhov no ua tshwj xeeb tshaj yog nyob rau lub caij txias, thaum lub hauv paus cua sov dries tawm ntawm huab cua. Artificial generators yog siv ob qho tib si hauv thaj chaw nyob thiab hauv terrarium lossis lub vaj lub caij ntuj no. Cov kws tshaj lij qhia kom muaj lub tshuab hluav taws xob ultrasonic rau cov neeg muaj kab mob ua pa lossis cov kab mob ua xua.

Zoo kawg

Hauv tsev siv, lub tshuab hluav taws xob ultrasonic lossis pos huab yog ib yam khoom siv tau zoo uas yuav tsis tsuas yog tsim kev nplij siab thiab coziness, tab sis kuj tseem tuaj yeem ua rau huab cua zoo nrog cov vitamins tsis pom, lub teeb tsis zoo cua ions, uas yog li ntawd. ntau ntawm ntug hiav txwv dej, hauv roob lossis hauv hav zoov thiab tsawg heev hauv peb cov tsev. Thiab qhov no, nyob rau hauv lem, yuav pab ua kom lub siab xav thiab txhim kho kev noj qab haus huv.

Pom zoo: