UV-C LED Technology

Dab tsi yog UV-C?

Lub wavelength ntawm ultraviolet (UV) lub teeb, tseem hu ua ultraviolet lub teeb, yog ntsuas nyob rau hauv nanometers (nm), thiab nws yog ib daim ntawv ntawm hluav taws xob uas yog ib feem ntawm lub electromagnetic spectrum. UV rays, uas tsis pom ntawm qhov muag liab qab, muaj qhov ntom ntom hauv lawv lub wavelength uas ua rau lawv muaj cov tshuaj tua kab mob zoo.

UV teeb tuaj yeem tawg ua plaub yam sib txawv: UV-A, UV-B, UV-C, thiab Nqus-UV.

Lub wavelength ntawm UV-A lub teeb, tseem hu ua "dub lub teeb," yog qhov ntev tshaj plaws ntawm tag nrho cov wavelengths, ncua ntawm 315 mus rau 400 nanometers.
UV-B kuj tseem hu ua qhov nruab nrab wavelength, thiab nws qhov ntau ntawm 280 txog 315 nanometers.

UV-C muaj qhov luv tshaj wavelength, nrog rau ntau yam uas mus ntawm 200 txog 280 nanometers.

Germicidal hais txog lub peev xwm ntawm UV-C los rhuav tshem cov kab mob, xws li kab mob thiab kab mob, ua rau nws muaj txiaj ntsig zoo hauv kev tsim cov tshuaj tua kab mob.

Kev nqus ntawm ultraviolet lub teeb los ntawm DNA ntawm microbes ua rau cov kab mob tsis muaj peev xwm rov tsim dua thiab luam lawv tus kheej, uas thaum kawg stunts lawv txoj kev loj hlob.

UV-C LEDs ua haujlwm zoo ib yam li cov teeb ci mercury-vapor teeb, tab sis hauv kev sib piv, lawv muaj ntau qhov zoo dua.

Friendlier rau ib puag ncig dua li cov tsoos UV teeb, uas muaj cov hlau hnyav uas ua haujlwm nrog thiab kim kom pov tseg hauv ib puag ncig lub luag haujlwm.

Cov hneev taw me me hauv cov ntsiab lus ntawm kev tsim: Lub teeb-emitting diodes (LEDs) yog qhov pom tseeb ntau dua li lawv cov mercury-vapor analogues, uas txhais tau hais tias nws yog qhov yooj yim dua los muab lawv rau hauv cov qauv tshiab thiab qub.

Vim tias UV-C LEDs tuaj yeem qhib thiab tawm sai, tsis tas yuav tsum muaj lub sijhawm sov so, uas yog ib qho kev txwv uas feem ntau cuam tshuam nrog mercury-vapor teeb.

Kev caij tsheb kauj vab tsis txwv Vim hais tias rov qhib / tawm lub voj voog tsis muaj qhov cuam tshuam rau lub neej ntawm LEDs, tsis muaj kev txwv rau cov sij hawm uas lub teeb tuaj yeem hloov tau.

LEDs tuaj yeem tso tawm photons los ntawm qhov chaw sib txawv dua li lawv cov cua sov emissions, uas tso cai rau lawv ua kom sov tsis muaj kev ywj pheej. Nyob rau hauv cov xwm txheej uas UV-C LEDs tau siv nyob rau hauv cov txheej txheem ntawm dej purification, lawv muaj peev xwm yuav fashioned nyob rau hauv xws li ib txoj kev uas lawv tsis tso cua sov rau hauv dej.

Kev xaiv ntawm Wavelength Ib qho txiaj ntsig tseem ceeb tshaj plaws muab los ntawm UV-C LEDs yog tias cov neeg siv tuaj yeem teeb tsa lawv los xaiv ib lub wavelength tshwj xeeb tshaj plaws uas haum rau qhov zoo tshaj plaws haum lub teeb los ntawm cov kab mob uas raug tsom.

UV-C LED Disinfection Method: Nws Ua Haujlwm Li Cas?

Nws muaj peev xwm ua tau rau ntau hom tshuaj tua kab mob UV-C kom ua tau zoo nyob ntawm qhov ntsuas ntawm cov tshuaj uas tau siv. Txawm li cas los xij, cov hauv paus ntsiab lus ntawm yuav ua li cas UV-C tshuaj tua kab mob ua haujlwm tsis tau hloov pauv li cas.

Lub teeb-emitting diode (LED) siv cov hluav taws xob tsawg tsawg los tsim lub teeb ntawm qee qhov wavelength. LED tom qab ntawd tso tawm UV-C photons los ntawm dej, uas tuaj yeem nkag mus rau lub hlwb ntawm microbe DNA thiab ua rau muaj kev puas tsuaj rau cov nucleic acid uas muaj nyob hauv nws.

Vim tias cov hlwb no tsis tuaj yeem sib faib, cov kab mob uas muaj peev xwm ua rau tuag taus yog ua rau dormant. Raws li qhov tshwm sim ntawm qhov no, UV-C LEDs ua rau nws muaj peev xwm siv hluav taws xob ntau los tua cov kab mob hauv lub vib nas this; qhov ua tau zoo ntawm cov hluav taws xob no yog ntsuas hauv LOGs.

Technology rau UV thiab LED Disinfection

Hauv kev lag luam dej thiab kev kho cua hauv ob lub xyoo dhau los, cov cuab yeej siv tshuaj tua kab mob ultraviolet yog qhov ua tau zoo tshaj plaws. Qhov no yog ib feem ntawm qhov tseeb tias nws tuaj yeem muab kev kho mob yam tsis muaj kev siv tshuaj lom neeg muaj peev xwm.

Ntawm electromagnetic spectrum, ultraviolet hais txog lub wavelengths uas nyob nruab nrab ntawm cov pom lub teeb thiab x-rays. UV-A, UV-B, UV-C, thiab Vacuum-UV. UV-C tivthaiv qhia txog wavelengths xws li 200 mus rau 280 nanometers, uas sib haum mus rau lub wavelength uas yog siv nyob rau hauv peb cov khoom siv tua kab mob LED.

Photons ntawm ultraviolet C tuaj yeem nkag mus rau cov hlwb thiab ua rau muaj kev puas tsuaj rau lawv cov nucleic acids, ua rau lub hlwb tsis muaj peev xwm ntawm kev tsim tawm thiab ua rau lawv microbiologically inert. Cov txheej txheem no tshwm sim hauv qhov xwm txheej; Lub hnub ultraviolet (UV) rays yog lub luag haujlwm rau kev ua haujlwm zoo li no.

LEDs uas tawm UV-C muaj ntau daim ntawv thov.

Hauv ntau daim ntawv thov sib txawv, ultraviolet-light emitting diodes (UV-C LEDs) tab tom kawm los saib seb lawv puas muaj peev xwm muab kev daws teeb meem tsis yog peb cov teeb meem tshuaj tua kab mob uas twb muaj lawm, tab sis kuj yog cov uas yuav tshwm sim yav tom ntej.

Vim tias qhov kev daws teeb meem tsis muaj tshuaj lom neeg, tsis muaj txoj hauv kev los tsim kev puas tsuaj los ntawm cov khoom lag luam, nws muaj kev vam meej ntawm cov kab mob inactivation, thiab nws yuav tsum tau saib xyuas me ntsis, haus dej tshuaj tua kab mob, dej purification, thiab kev kho mob yog qhov twg cov txheej txheem tau txais traction.

Ntxiv nrog rau cov tshuaj tua kab mob, UV-C LEDs kuj tseem muaj txiaj ntsig zoo ntawm cov pa thiab qhov chaw. Nyob rau hauv lub ntiaj teb no ntawm kev lag luam vaj tse, UV-C LED cua purifiers rau HAVC (cua sov, qhov cua, thiab cua txias) tshuab tau dhau los ua ib qho kev pom ntau dua.

UV-C LEDs tab tom nrhiav pom kev siv tshiab hauv ntau lub ntsiab lus, suav nrog tab sis tsis txwv rau cov chaw nyob thiab kev lag luam, kev kho mob, kev thauj mus los, kev tshawb fawb txog lub neej, kev tiv thaiv, thiab kev ua haujlwm thaum muaj xwm txheej ceev.

Tom ntej Industrial Revolution yog UV-C LED Technology

UV-C LED thev naus laus zis tau teeb tsa los coj cov kev daws teeb meem tshiab, txhim kho, thiab nthuav dav hauv ob qho tib si huab cua thiab dej kho kev lag luam, ntau yam tib yam uas LEDs tau hloov pauv cov zaub thiab teeb pom kev lag luam. Tam sim no muaj kev xaiv rau ob qho kev thaiv, kev tiv thaiv tom qab pom nyob rau hauv ib puag ncig uas mercury-based systems yav dhau los tsis txawm tias muaj peev xwm ua tau.

LEDs siv lub zog tsawg tsawg los tsim lub teeb ntawm qee qhov wavelength. LEDs, nyob ntawm seb lawv tsim, tuaj yeem tawm lub teeb ntawm qhov sib txawv wavelengths, suav nrog infrared, pom, thiab txawm tias ultraviolet-C lub teeb.

Daim duab hla ntu ntawm LED qhia tias qhov tsim nyog wavelength yog qhib thaum hluav taws xob mus los ntawm cov txheej txheem sib txawv ntawm LED.

Tsis muaj Mercury, ntawm lwm yam zoo ntawm UV LEDs

Txawm hais tias cov tshuaj tua kab mob ultraviolet feem ntau suav hais tias muaj kev nyab xeeb dua li tshuaj tua kab mob, cov qauv UV teeb feem ntau xav tau ib yam dab tsi los ntawm tsib milligrammes mus rau ob puas milligrammes ntawm mercury hauv txhua lub teeb.

Cov teeb UV no muaj lub neej luv luv thiab yuav tsum tau hloov tsis tu ncua vim tias lawv yooj yim tawg thaum thauj, tuav, thiab siv. UV LEDs tsis siv mercury, yog li lawv yog qhov kev xaiv zoo dua thiab muaj kev nyab xeeb dua. Qhov no tau ua rau muaj kev tsim cov lag luam tshiab rau kev tua kab mob ultraviolet (UV) nyob rau hauv cov cheeb tsam uas ib txwm muaj UV teeb uas muaj mercury raug txwv vim muaj kev nyab xeeb (piv txwv li, hauv cov cuab yeej kho mob thiab chaw lag luam).

Mercury tuaj yeem khaws cia rau hauv cov teeb pom kev UV ib yam li cov kua (uas yog ntau dua hauv cov teeb ua haujlwm ntawm qhov nruab nrab siab) lossis ua ib qho amalgam (uas yog ntau zaus hauv cov teeb ua haujlwm ntawm qhov tsis tshua muaj siab thiab cov zis siab). Mercury nrog rau lwm cov khoom, xws li indium los yog gallium, yog ua ke los ua ib qho hlau uas muaj nyob rau hauv cov khoom "spots" uas muaj nyob rau hauv amalgam UV teeb. Ob qho tib si thaum lawv qhib thiab thaum lawv raug muab tua, cov kua mercury teeb muaj peev xwm ua rau muaj kev pheej hmoo rau cov neeg siv. Mercury hloov mus rau hauv vapor thaum lub teeb ua haujlwm, thiab yog tias lub teeb puas lawm, mercury vapor tuaj yeem nkag mus rau hauv cov khoom raug kho. Cov xwm txheej thiab cov txheej txheem tsis muaj txiaj ntsig ua rau muaj peev xwm kis tau mus rau ob qho tib si hauv zej zog thiab ib puag ncig ib puag ncig.

Txawm hais tias nws tsis yog ib qho tseem ceeb, UV-C LEDs muaj cov khoom siv xws li cov hlau gallium thiab magnesium nrog rau cov metalloids silicon thiab boron. Boron, txawm li cas los xij, tsis siv ntau zaus. Cov hlau thiab/los yog metalloids raug kaw hauv cov qauv siv lead ua ruaj khov, tiv thaiv lawv los ntawm leaching mus rau ib puag ncig ib puag ncig.

UV-C LEDs muaj cov qauv crystalline ruaj khov uas ua rau lawv tiv taus ntau dhau los ntawm kev puas tsuaj los ntawm cov khoom siv lossis ib puag ncig cuam tshuam. Qhov no ua rau lawv muaj zog heev.

UNEP Minamata Convention

United Nations Environment Program (UNEP) yog tus tsav tsheb tom qab tsim Minamata Convention on Mercury txhawm rau tiv thaiv tib neeg kev noj qab haus huv thiab ib puag ncig los ntawm mercury emissions thiab tso tawm uas yog tshwm sim los ntawm tib neeg kev ua haujlwm. United Nations Environment Program (UNEP) tau tsim lub hom phiaj hnub tim 2020 rau kev tshem tawm tag nrho cov mercury ntau lawm thoob ntiaj teb.

Txawm hais tias Minamata Convention tsis ncaj qha rau kev tsim thiab muag ntawm UV mercury-vapor teeb, nws yuav ua rau muaj txiaj ntsig zoo rau kev siv ntau dua ntawm lwm cov thev naus laus zis. Qhov no yog vim Minamata Convention txwv cov mercury uas tuaj yeem tso rau hauv ib puag ncig. Kev nqis tes ua xws li cov teev hauv qab no tuaj yeem suav tias yog cov lus teb tau:

Cov tuam txhab uas siv cov tshuab ultraviolet (UV) hauv lawv cov khoom lossis cov txheej txheem tsim khoom (piv txwv li, cov khoom hauv cov khoom dawb, dej haus, thiab microelectronics industries, nrog rau cov kev tshawb fawb hauv lub neej) tuaj yeem xaiv los siv cov kev coj ua zoo tshaj plaws los ntawm kev xaiv qhov kev xaiv LED. vim muaj kev cuam tshuam ntawm Minamata Convention, es tsis yog vim yog kev tswj hwm ntawm lub rooj sib tham nws tus kheej.

Cov Khoom Siv Tseem Ceeb Nws muaj peev xwm hais tias cov tuam txhab lag luam uas tam sim no siv cov teeb pom kev zoo mercury yuav pom qhov tsis sib xws ntawm kev siv cov khoom siv mercury thiab lawv tus kheej ib puag ncig cov cai. Cov tuam txhab lag luam no tuaj yeem txiav txim siab pib hloov mus rau kev tsim cov khoom tshiab uas siv cov khoom siv hluav taws xob tsis muaj mercury kom ua raws li Minamata cov cai.

Nws yog qhov ua tau tias cov nroog tseem yuav ua raws li kev siv UV-C LEDs; Txawm li cas los xij, nws muaj feem ntau tias cov koom haum no yuav xav tau sijhawm ntxiv los siv cov thev naus laus zis tshiab.

Tej zaum yuav muaj qee ntu ntawm cov pej xeem uas txaus siab rau "ntsuab" lossis "eco-friendly" cov khoom hloov pauv. Tsis muaj kev txwv tsis pub yuav lossis tsim cov roj teeb uas muaj mercury lossis txawm tias yuav tsum tau sau npe tias yog li ntawd, Minamata Convention muaj qhov tsis txaus siab uas ua rau tib neeg xav paub ntau ntxiv txog kev phom sij los ntawm mercury.

Nws tau cia siab tias kev hloov pauv ntawm mercury mus rau UV-C LED teeb yuav yog qhov qeeb rau cov tswj hwm. Vim tias nws yog tus tswj hwm lub luag haujlwm los tsav cov thev naus laus zis nyob rau hauv kev coj ntawm cov lus teb zoo tshaj plaws, lawv yuav tsis tso tseg nrhiav lwm txoj hauv kev rau mercury.
 

High Power Uv Led Lub teeb

Nta:

● High Wattage uv coj lub teeb zoo ib yam li qhov loj thiab zoo li cov pa roj hmab UV teeb tab sis muaj peev xwm ua haujlwm ntawm cov zis ntau dua UV.

● High Wattage uv coj lub teeb yog dav siv nyob rau hauv yuam cua duct systems thiab dej disinfection daim ntaub ntawv.

● High Wattage uv coj lub teeb feem ntau pom muaj nyob rau hauv kev tswj tsw tsw thiab kev siv tshuaj photochemical.

● Muaj nyob rau hauv Low Ozone thiab Ozone Producing versions.

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