Lub wavelength ntawm ultraviolet lub teeb yog ntawm qhov pom thiab xoo hluav taws xob. Tus kab mob wavelength yog 10 ~ 400nm. Txawm li cas los xij, ntau tus neeg ua lag luam photovoltaic ntseeg tau hais tias lub wavelength ntawm 430nm kuj mus rau ultraviolet. Txawm hais tias muaj ntau lub teeb duab ultraviolet tsis pom los ntawm tib neeg lub qhov muag, nws tseem yog ib feem ntawm lub violet pom spectrum, UV LED dhau los ob peb xyoos dhau los ua ntau ntau kev kawm. Qhov no tsis yog tsuas yog tshwm sim ntawm cov kev tsim kho hauv kev tsim cov khoom tsim-xeev UV, tab sis kuj ua tsaug rau qhov xav tau ntxiv rau cov phooj ywg zoo UV teeb.
Daim ntawv thov UV LED thiab nws txoj kev tiv thaiv
Tam sim no UV LED khoom nyob rau hauv optoelectronic kev ua lag luam muaj xws li ib lub tsho ntev ntawm 265 mus rau 420 nm ntau hom ntawv tawm suab xws li kev pleev xim, nto roob thiab COB. UV LED generators muaj ntau yam ntawm daim ntawv sau npe, tab sis, txhua cov generator nyob rau hauv lub wavelength thiab tso zis fais fab tuag. Feem ntau, UV teeb ntawm LED tau muab faib ua peb qhov chaw. Lawv txhais tias yog UV-A (UVA), UV-B (UVB) thiab U VC (shortwave UV), feem (saib daim duab 2).
Siab thov
UV A-type devices tau raug tsim tawm txij li xyoo 1990. Cov LEDs no feem ntau yog siv xws li cov ntaub ntawv forged los yog kev pov thawj (txiaj, kev tsav tsheb, thiab lwm yam). Lub zog tso cai ntawm cov ntawv sau npe no tsis tshua muaj tsawg, qhov kev siv ntawm cov kab nrig ntau ntawm 390 ~ 420nm, qis dua cov khoom tsis tshua muaj kev tsis txaus rau daim ntawv thov. Vim tias cov LEDs yog cov lifecycle ntev nyob rau hauv kev ua lag luam thiab cov khoom siv yooj yim, lawv yuav siv ntau lub teeb thiab cov khoom pheej yig tshaj plaws UV.
UVA LED cheebtsam hauv ob peb lub xyoo dhau los no tau ntau txoj kev loj hlob. Feem ntau ntawm cov kab no (txog 350 ~ 390nm) yog siv rau cov khoom siv lag luam thiab cov khoom siv xws li adhesives, coatings thiab inks rau UV curing. Vim muaj kev nce nqi, txo nqi thiab miniaturization ntawm lub kaw lus, cov teeb muaj teeb pom kev zoo dua li cov khoom siv hluav taws xob xws li mercury lossis fluorescent teeb. Vim li no, cov khoom siv hauv kev siv nrawm ntawm kev siv technology tshiab, ua rau kev sib hloov ntawm kev siv LED ua ntau dua thiab ntau yam cuab yeej. Txawm hais tias tus nqi khoom ntawm no wavelength ntau yog ho siab tshaj UV Ib thaj tsam, qhov kev nce qib sai hauv kev siv tshuab thiab qhov khwv nce hauv cov khoom yog maj txo cov nqi.
Sab qis UV A thiab siab tshaj UV B cov kabmob ntu (kwv yees li 300-350 nm) yog qhov chaw muag khoom muaj feem ntau. Cov cuab yeej siv nrog zoo tshaj plaws yuav tsim kom muaj ntau yam kev siv, xws li UV kho, biomedicine, DNA kev tshuaj ntsuam thiab ntau hom kev hnov. Muaj qhov sib txuam tseem ceeb hauv peb qhov UV spectral peb. Yog li ntawd, hauv txoj kev xaiv, tsis yog tsuas yog xav txog dab tsi yog qhov kev tsim ntawv tshaj plaws, tab sis kuj xav tau los xav txog qhov zoo tshaj plaws tus nqi tov. Vim tias qis wavelength feem ntau txhais tau hais tias tus nqi LED zoo dua qub.
UV B thiab UV C wavelength ntau (kwv yees li 250 ~ 300nm) yog ib qho uas tseem tshuav loj tshaj plaws nyob rau theem pib. Txawm li cas los xij, tej yam txaus siab thiab kev thov rau cov khoom siv rau hauv cov huab cua thiab dej purification systems muaj zog heev. Tam sim no, tsuas yog ib qho lag luam ntawm cov tuam txhab muaj peev xwm los tsim UV LEDs nyob rau hauv cov kab txuas ntau qhov no, thaum lub tuam txhab tsawg dua tuaj yeem tsim cov khoom muaj lub neej txaus, kev ntseeg thiab kev ua tau zoo. Yog li, tus nqi ntawm UVC / B li tseem siab, nyuaj siv nyob rau hauv ib co ntawv. Txawm li cas los xij, thawj cov lag luam UVC cov kab mob deev tau tawm hauv xyoo 2012, uas yuav pab txhawb kev lag luam rau pem hauv ntej.
Ua qhov kev tiv thaiv
Ib qho lus nug txog UV LEDs yog: lawv puas coj kev ruaj ntseg txaus ntshai? Raws li tau hais los saum no, UV teeb muaj ntau theem. Ib qho uas siv UV tshaj plaws yog qhov muag teeb. Cov khoom tau siv rau xyoo lawm thiab yog siv los tsim cov luminous los yog fluorescent teebmeem rau cov zog, zoo li hauv kev tha xim thiab txiaj ntsig. Lub teeb tsim los ntawm cov qhov muag teev no feem ntau nyob hauv UV A spectrum, ze rau qhov pom ntawm lub qhov pauv thiab muaj zog dua. Txawm hais tias muaj kev kis tau tus kabmob raug pom los ntawm kev mob kheesxaws thiab lwm yam teebmeem xws li cov tawv nqaij uas ua haujlwm sai, qhov no ntawm UVA spectrum yog qhov zoo tshaj plaws ntawm peb lub teeb UV. Light-emitting diodes (txheeb ze rau cov qauv qij los yog cov qhov muag teeb tau zoo) kuj yog cov kev coj ua thiab muaj lub zeem muag heev. Saib UV LEDs kom puas qhov muag. Yog li, nws yog qhov zoo rau tus neeg siv yuav tsum tsis txhob raug tus kab mob UVA.
UV C thiab feem ntau UV B yog siv los siv kom tsis muaj menyuam thiab kua dej huv. Cov wavelengths ntawm lub teeb tsis tsuas yog teeb meem rau microorganisms, thiab yog tias raug rau nws, nws yog ib qho txaus ntshai rau tib neeg thiab lwm yam ntawm lub neej. Cov teeb teeb meem no yuav tsum tiv thaiv txhua tus, tsis txhob ntsia ncaj nraim nrog lub qhov muag liab qab, txawm tias nws ci me me. Tig mus rau lub teeb nyob rau hauv cov wavelengths no tej zaum yuav ua rau mob cancer ntawm lub tawv nqaij thiab pom kev ib ntus los yog qhov muag tsis pom kev los yog puas.
Tag nrho cov UV cov khoom yuav tsum muaj ntawv ceeb toom. Tsis tas li, ua ntej yuav UV C lossis UV B UV teeb, ntau cov khw yuav tsum tau kos npe rau txhua tus neeg tuaj kos npe rau daim ntawv hais tias lawv to taub thiab pom zoo siv thiab tuav cov khoom no.
Cov khoom kub : LED cog teeb pom kev zoo , LED teeb module teeb teeb pom kev zoo , warehouse teeb , IP65 waterproof teeb , Zog Saving Txoj Kev Teeb , LED teeb nrig nrog UL , UL Vaj huam sib luag teeb
