UV LED siv rau dab tsi?

Yav dhau los, tsis muaj UV LED teeb rau kev lag luam. Txawm li cas los xij, nrog kev nce qib hauv LED thev naus laus zis ua rau muaj zog dua, UV LED teeb tam sim no tau dhau los ua lag luam, hloov cov kev xaiv ib txwm muaj.

UV teeb yog ib hom hluav taws xob hluav taws xob uas tsis pom ntawm tib neeg lub qhov muag, thiab nws nqa lub zog ntau dua thiab taug kev ntawm qhov ntau dua li pom lub teeb. Thaum UV teeb tau pom thawj zaug hauv xyoo pua 19th, nws tau raug hu ua "tshuaj rays" vim nws muaj peev xwm ua rau muaj kev hloov pauv hauv qee yam tshuaj.

UV LED diodes (UV) muaj ntau yam zoo dua li peb xav. UV wavelength teeb tuaj nyob rau hauv qhov ntau ntawm electromagnetic spectrum ntawm 10nm txog 400nm. Txawm li cas los xij, UV teeb tsis tuaj yeem pom los ntawm lub qhov muag ib txwm tab sis nws tau cog lus tias muaj txiaj ntsig zoo rau tib neeg.

UltraViolet LEDs sawv cev rau pem hauv ntej tom ntej hauv cov khoom lag luam-xeev emitters. Nws tuav yav tom ntej rau ntau cov teb tseem ceeb xws li biology, kho mob kev teeb tsa, cov chaw tsim khoom, thiab kev tsim khoom ntawm cov semiconductors. Hauv kev txheeb xyuas cov tshuaj lom neeg muaj kev phom sij UV, LEDs tau pom cov ntawv thov tseem ceeb.  

Kev siv UV LED

UV LED teeb pom kev zoo tau loj hlob hauv kev muaj koob npe vim nws cov ntawv thov ntau hauv ntau yam kev qhuab qhia.

Cosmetic thiab Industrial Curing

UV curing yog ib daim ntawv thov, qhov twg UV lub teeb yog siv los ua kom qhuav los yog kho cov xim, txheej, thiab cov nplaum. Qhov no yog ua tiav los ntawm kev hla-polymerization ntawm photosensitive tshuaj. UV LED thev naus laus zis tau tshwm sim los ua lwm txoj hauv kev rau ozone gas thiab mercury-raws li cov txheej txheem kho. Nws yog tsim rau kev siv tshuaj pleev ib ce thiab kev lag luam.

UV curing yog siv hauv kev lag luam tshuaj pleev ib ce los kho cov kua roj vanish. Kev txhawj xeeb tau hais, txawm li cas los xij, hais txog kev nyab xeeb ntawm cov txheej txheem kho ib txwm siv uas ua haujlwm tsis muaj teeb meem UV. Raws li kev tshawb fawb luam tawm nyob rau hauv Phau Ntawv Xov Xwm ntawm American Academy of Dermatology, raug UV hluav taws xob tawm los ntawm cov teeb no yuav ua rau muaj kev pheej hmoo ntawm kev mob qog noj ntshav ntawm daim tawv nqaij. Txoj kev tshawb no qhia tau hais tias LED teeb yog ib qho kev nyab xeeb dua vim lawv emanate UV teeb nrog tsawg zaus.

Analytical Instruments

UV teeb pom kev zoo kuj tseem siv los ua cov cuab yeej tshuaj ntsuam xyuas vim tias nws ua rau qee yam khoom pom ntawm tib neeg lub qhov muag. Kev txheeb xyuas cov txiaj ntsig los ntawm kev tshuaj xyuas UV watermarks yog ib daim ntawv thov nquag. Tsis tas li ntawd, forensic science siv UV illumination los txheeb xyuas cov kua dej ntawm lub cev ntawm qhov chaw ua txhaum cai.

Kev tshawb fawb txog tsiaj txhu

Tsis tas li ntawd, qhov tseem ceeb ntawm UV LED illumination hauv kev tshawb fawb thiab kev tshawb fawb lom neeg loj hlob tuaj. Piv txwv li, ib txoj kev tshawb fawb 2012 luam tawm nyob rau hauv Applied Entomology thiab Zoology tau qhia tias UV LED teeb yog ib txoj hauv kev zoo los tawm tsam West Indian qos yaj ywm weevil. Cov kab no muaj npe nrov rau kev rhuav tshem cov qos yaj ywm qab zib, thiab kev tshawb nrhiav yog qhov nyuaj vim tias feem ntau cov neeg laus kev ua si tshwm sim thaum hmo ntuj. Txoj kev tshawb no tau siv lub teeb ci UV LED diffused thiab cov qos yaj ywm fij kom yooj yim txheeb xyuas cov kab tsuag, ua rau cov neeg ua liaj ua teb coj cov kev ntsuas tsim nyog hauv kev teb.

Disinfection thiab sterilization

UV teeb pom kev zoo tau dhau los ua cov cuab yeej tseem ceeb rau kev ua kom tsis muaj menyuam thiab tshuaj tua kab mob, tshwj xeeb tshaj yog nyob rau hauv kev ua kom huv ntawm huab cua thiab dej. UV hluav taws xob tuaj yeem cuam tshuam DNA ntawm cov kab mob thiab cov kab mob, ua rau nws muaj txiaj ntsig zoo ntawm kev tshem tawm cov kab mob pathogenic. Ib qho piv txwv thib ob ntawm yuav ua li cas lub teeb UV ntuj tuaj yeem tua cov kab mob ntawm cov khaub ncaws yog thaum cov khaub ncaws dai sab nraum kom qhuav hauv lub hnub. UV LED teeb tuaj yeem siv los ntxuav qhov chaw thiab cua hauv qhov chaw sab hauv tsev kom tsis txhob kis kab mob.

Raws li kev tshawb fawb xyoo 2007 luam tawm hauv Kev Kho Mob & Biological Engineering & Kev suav, UV LED qhov chaw teeb pom kev zoo deactivate microbes hauv dej. UV LED cov cuab yeej muaj kev nyab xeeb thiab sib zog ntau dua li cov qauv kev ua kom tsis muaj menyuam uas muaj tshuaj lom neeg lossis kub kub. Yog li ntawd, lawv muaj peev xwm loj heev raws li kev ua kom tsis muaj dej, tshwj xeeb tshaj yog nyob rau hauv tej thaj chaw deb lossis chaw qis.

Sab hauv vaj

UV LED teeb tseem tau txais txiaj ntsig zoo hauv kev ua vaj tsev sab hauv, tshwj xeeb tshaj yog nyob rau hauv nroog cheeb tsam uas muaj qhov chaw tsawg thiab hnub ci. Rau photosynthesis thiab kev loj hlob, cov nroj tsuag xav tau UV hluav taws xob, uas tuaj yeem muab los ntawm LED teeb pom kev zoo. Siv UV LED teeb rau sab hauv tsev horticulture tuaj yeem nce polyphenol ntau lawm, uas ntseeg tau tias muaj antioxidant thiab tiv thaiv kev laus. Tsis tas li ntawd, UV teeb pom kev zoo tuaj yeem ua rau muaj txiaj ntsig zoo rau cov nroj tsuag tsim, xws li tshuaj maj, los ntawm kev txhim kho nws cov khoom siv tshuaj.

UV LED Teeb Rau Dej Disinfection

UV LED teeb tau pom tias muaj kev cia siab rau yav tom ntej hauv kev tua cov dej. Yav dhau los, dej tua kab mob tau ua los ntawm UV Teeb. Cov teeb UV no xav tau mercury uas ua rau muaj teeb meem loj thaum nws los rau nws pov tseg. Txawm li cas los xij, Ntawm qhov tod tes, UV LED modules yog cov thev naus laus zis tsis ntev los no nrog ntau qhov zoo. Lawv siv sijhawm ntev heev, siv lub zog me me, thiab yooj yim kom tshem tawm. UV dej tua kab mob  muaj ib tug tshiab technology nyob rau hauv daim teb no,  

UV LED module muaj arrays ntawm UV LED diod  uas emits UVC ntawm ib lub wavelength ntawm 265nm, qhov wavelength no muaj txiaj ntsig zoo hauv kev tua kab mob thiab kab mob.

UVC teeb ua tib yam li cov tsoos UV mercury teeb tab sis muaj qhov sib txawv ntawm qhov sib piv ntawm cov txiaj ntsig.

●  UV teeb muaj qhov teeb meem ntawm cov hlau pov tseg uas nyuaj rau kev daws teeb meem. Yog li kev pov tseg mercury ua rau muaj teeb meem hauv kev pov tseg.

●  Qhov luaj li cas ntawm LED yog li compact li piv rau mercury teeb yog li nws ua rau nws yooj yim dua nyob rau hauv integrating nws mus rau hauv txawv designs.

●  UV LED ua haujlwm sai, nws tsis tas yuav muaj lub sijhawm sov so raws li nws tau xav tau yav dhau los hauv mercury-based UV teeb.

●  UV LED yog ywj siab ntawm qhov kub thiab txias. Nws tsis hloov cov cua sov rau cov dej thaum siv hauv cov dej huv huv. Qhov no tshwm sim vim hais tias LEDs emit photons los ntawm ib tug txawv deg dua lawv cov cua kub emissions.

●  Lwm qhov txiaj ntsig ntawm UV LED yog tias nws muab cov kev xaiv ntawm qhov xav tau wavelength. Cov neeg siv tuaj yeem teeb tsa lawv los xaiv qee qhov wavelength. raws li cov kab mob microorganism rhiab heev rau qhov sib txawv wavelengths.

UV LED nyob rau hauv kev kho mob ntawm daim tawv nqaij

Lwm daim ntawv thov kev kho UV teeb yog kho cov kab mob ntawm daim tawv nqaij los ntawm kev siv UVB bands.  

Cov kws tshawb fawb tau tshawb pom tias UV ntawm wavelength 310nm tau pom lub zog loj hauv cov metabolism ntawm daim tawv nqaij uas pab n txhim kho daim tawv nqaij. Muaj cov kab mob hauv qab no uas kho tau los ntawm kev siv UV Diode.

●  Vitiligo:  ib qho kab mob auto-immune uas ua rau thaj tsam ntev ntawm daim tawv nqaij

●  Pityriasis Rosea: ib qho mob uas tshwm sim ntawm daim tawv nqaij raws li tsa liab scaly thaj

●  Polymorphous Lub teeb tawg:  Tus kab mob no kuj yog tshwm sim los ntawm qhov tshwm sim ntawm cov pob liab liab ntawm daim tawv nqaij tom qab raug tshav ntuj. Qhov teeb meem no tshwm sim rau cov uas rhiab heev rau lub hnub ci.

●  Actinic prurigo muaj :  Hauv qhov xwm txheej no, daim tawv nqaij ua khaus khaus heev.

UV LED Siv Hauv Cov Khoom Siv Kho Mob

Cov khoom siv kho mob sib dhos yog ua kom yooj yim dua thiab pheej yig dua los ntawm UV LEDs kua nplaum. UV teeb tau pom tias muaj kev vam meej loj heev thaum nws los txog rau kev tshawb nrhiav cov kab mob lossis DNS nrhiav pom. Nws yog ib qho tseem ceeb los txhim kho thiab tswj cov teeb pom kev hauv UV thaum tsim cov khoom siv kho mob txhim khu kev qha.

Ntau cov txiaj ntsig tuaj nrog kev siv cov kua nplaum ultraviolet curing, nrog rau kev xav tau ntawm lub zog tsawg, txo lub sij hawm kho thiab nce ntau lawm, thiab kev ua kom yooj yim dua. ua ntej kev tsim khoom. Cov cuab yeej zoo li no qhia tau tias muaj peev xwm nyob rau hauv ntau yam kev siv xws li UV kho, Biomedical, DNA tsom xam, thiab lwm yam kev paub.

UV LED hauv Kev Lag Luam Cog

Muaj kev xav ntau ntxiv los txhim kho cov txheej txheem loj hlob ntawm cov nroj tsuag. Txoj kev loj hlob yuav tsum yog ob qho tib si kev lag luam thiab tseem yuav tsim cov txiaj ntsig zoo rau cov nroj tsuag tsom hauv lub teeb ntawm kev nthuav dav. Lawv loj hlob hauv tsev lossis hauv nroog ua liaj ua teb. Lub wavelengths ntawm lub teeb pom kev thiab spectrum uas cov nroj tsuag xav tau rau ntau yam haujlwm tau yog cov ntsiab lus tseem ceeb. Yog li ntau ntawm cov kev tshawb fawb uas twb muaj lawm yog ua los ntawm kev siv LEDs hauv kev ua liaj ua teb.

UVB tau ua pov thawj tias muaj txiaj ntsig zoo tshaj plaws hauv kev txo qis kev muaj sia nyob ntawm cov kab thiab kab tsuag uas paub tias ua kom puas tag nrho cov qoob loo. Kev nthuav tawm cov qoob loo rau UV LED teeb pab kom muaj kev noj qab haus huv ib puag ncig los ntawm kev txo qis kev loj hlob ntawm pwm, mildew, thiab lwm yam kab tsuag.

UV Cua Disinfection

UV twb tau siv rau hauv kev tua kab mob ntawm huab cua lossis cua. Tab sis tom qab tus kab mob kis thoob qhov txhia chaw, UV Cua Disinfection  dhau los ua cov txheej txheem tseem ceeb tshaj plaws hauv chaw kho mob lossis tsev kho mob. UV tau tshwm sim los ua cov kab mob tua kab mob UV irradiation uas tau pom muaj peev xwm loj heev hauv kev tua kab mob. Nws tau tsim cov cuab yeej tshuaj tua kab mob thiab cov peev txheej loj hlob hauv kev tawm tsam kev sib kis ntawm cov kab mob sib txawv suav nrog tus kab mob ua rau SARS-CoV-2.

Txawm li cas los xij wavelengths ntawm 200nm mus rau 280nm no ntau yam siv rau cov tshuaj tua kab mob no hauv cov tshuaj tua kab mob. Qhov wavelength no hu ua UVC. UV LEDs diodes yog cov khoom siv semiconductor uas tau tsim los ntawm ntau txheej txheej ntawm cov ntaub ntawv substrate. Lawv tuaj yeem tsim los txais  wavelength input thiab output photons hauv UV-C ntau yam. UVC tau siv los tiv thaiv cov kab mob sib kis.  

Qhov zoo ntawm kev siv UV LEDs:

●  UV LED yog pab tau rau hauv inactivating microorganisms, kab mob, cysts, thiab spores.

●  UV LED yog lub cev siv tshuaj tua kab mob. Muab piv rau cov tshuaj uas ua rau muaj kev hem thawj thaum tuav, ua, lossis thauj khoom phom sij.

●  UV LED yog siv rau cov neeg siv khoom. Yog li leej twg tuaj yeem siv nws.

●  UV LED yog qhov chaw txaus vim nws xav tau qhov chaw tsawg dua piv rau lwm txoj hauv kev.

●  Piv nrog rau lwm cov tshuaj tua kab mob nws yuav tsum tau siv sij hawm luv dua rau kev tua kab mob. Hauv ib feeb, nws tuaj yeem ntxuav qhov chaw.

Disadvantages ntawm kev siv UV LEDs:

●  Kev siv tshuaj tsawg ntawm UV raug yuav tsis tua tag nrho cov kab mob

●  Cov kab mob muaj cov txheej txheem kho yog li txawm tias tom qab kis lawv tuaj yeem pib tsim lawv tus kheej.

●  UV LED teeb yuav tsum muaj kev tiv thaiv kev tiv thaiv kom tsis txhob fouling.

●  UV LED kuj tsis raug nqi.

Yog tias koj tab tom txiav txim siab yuav lub teeb UV LED thiab muaj lus nug uas xav tau kom meej, thov hu rau Zhuhai Tianhui Electronic.  

Zhuhai Tianhui Electronic yog ib qho zoo tshaj plaws   UV LED s thiab Peb nyob ntawm no los muab cov kev taw qhia thiab kev pab koj xav tau los txiav txim siab txog kev kawm thaum yuav lub teeb UV LED.