1. Lub hauv paus ntsiab lus ntawm kev ua kom tsis muaj ultraviolet kom tsis muaj menyuam
Muaj ntau cov ntsiab lus ntawm UV kom tsis muaj menyuam uas tau muaj npe nrov tsis ntev los no. Nov yog peb lub ntsiab lus los hais rov hais dua:
Ua ntej, UV hluav taws xob tau faib raws li yoj yoj, uas tuaj yeem muab faib ua UVA ntev-nthwv dej ultraviolet (nthwv dej ntev li 315-400 nm), UVB nruab nrab yoj ultraviolet (nthwv dej ntu 280-315 nm), UVC luv nthwv dej ultraviolet (wavelength thaj tsam 200-280 nm) thiab VUV nqus Ultraviolet (yoj qhov ntev 10-200 nm). Ntawm lawv, UVA ntev nthwv dej ultraviolet feem ntau hu ua ze rau ultraviolet, thiab UVC luv-yoj ultraviolet feem ntau hu ua ultraviolet sib sib zog nqus.
Thib ob, ultraviolet teeb yog kev hloov pauv. Hauv cov kev ntab ntab ntaws ib qho (feem ntau UVC) thiab qhov siab txaus, ultraviolet lub teeb yuav ua rau muaj qhov txawv txav ntawm cov pyrimidine molecules nyob ib sab hauv DNA lossis RNA hauv microbial cell xws li cov kab mob thiab kab mob. Cov ntawv qhia txog tshuaj lom neeg tabkaum cuam tshuam kev rov ua dua ntawm DNA lossis RNA, ua rau mob microbial cell tuag. UV hluav taws xob ntau dhau los ua kom tiav cov nyhuv ntawm kom tsis muaj menyuam thiab tua kab mob los ntawm emitting tob ultraviolet teeb nrog UVC wavelength.
Thib peb, lub sijhawm SARS, cov kws tshawb fawb los ntawm Lub Tsev Haujlwm Saib Xyuas Kev Tiv Thaiv thiab Kev Tiv Thaiv Suav tau pom tias kev siv lub teeb ci ntsa iab ultraviolet nrog kev siv ntau dua 90uW / cm2 los tiv thaiv tus kabmob coronavirus rau 60 feeb tuaj yeem tua tus kab mob SARS. Hom kab mob coronavirus tshiab zoo ib yam li SARS tus kab mob thiab ob qho puav leej muaj cov kab mob RNA uas muaj cov kab mob zoo. Yog li, kev xav, kev tshawb fawb thiab kev siv tswv yim siv duab hluav taws xob xoo hluav taws xob tuaj yeem tua cov kab mob tshiab tau zoo.
2. Cov yam ntxwv ntawm UV ua kom tsis muaj menyuam
UV kev ua kom zoo UV feem ntau muaj cov yam ntxwv hauv qab no:
(1) Qhov ua tau zoo ntawm kev ua kom tsis muaj menyuam thiab tshuaj tua kab mob: Lub Chaw Haujlwm Asmeskas Khoom Noj thiab Tshuaj' S Kev Ntsuam Xyuas Kev Ntsuam Xyuas thiab Kev Tshawb Fawb tau pom tias nyob rau hauv kev tsis sib haum ntawm UV teeb ci nrog cov yam ntxwv yoj ntawm 254nm thiab hluav taws xob siv hluav taws xob ntawm 4016uW / cm2, qhov tua tus nqi ntawm tus kab mob SARS tuaj yeem ncav cuag 99.99 tom qab 6 feeb. %. Piv nrog rau kev ntxuav cov cua sov ntawm 75 degrees Celsius uas siv sijhawm 45 feeb los tua cov kab mob SARS, kev ua haujlwm ntawm kev tua kab mob UV ua haujlwm tau zoo dua.
(2) Broad-spectrum sterilization: Txij li ultraviolet sab ncaj qha cuam tshuam rau DNA thiab RNA ntawm cov kab mob thiab kab mob, ntawm tag nrho cov kev ua kom tsis muaj kab mob thiab kev tua kab mob, ultraviolet sterilization muaj qhov siab tshaj plaws broad-spectrum kom tsis muaj menyuam thiab tuaj yeem tiv thaiv yuav luag txhua yam kab mob thiab kab mob. Cov. Siab heev tua.
(3) Tsis muaj kev ua qias tuaj ntxiv: Feem ntau cov tshuaj tua kab mob sodium hypochlorite yog cov teeb meem rau ib puag ncig thiab yuav ua rau muaj kuab paug dej, thiab cov tshuaj dawb tawm los ntawm nws yuav ua rau muaj kuab lom. Hauv kev sib piv, lub teeb ci ci ultraviolet tuaj yeem ua rau cov kab mob thiab cov kab mob tuag yam tsis muaj lwm yam tshuaj lom. Tab sis xyuam xim kom tsis txhob siv cov duab hluav taws xob ultraviolet uas muaj qhov ntev tsawg dua 243nm los tsim ozone.
3. Qhov zoo ntawm UV LED
Tam sim no, muaj ob lub ntsiab ntawm ultraviolet teeb pom kev zoo siv rau kom tsis muaj menyuam: cov tsoos mercury thiab cov teeb ci ci ultraviolet. Piv nrog rau ntau yam tsis muaj ntawm cov tsoos hluav taws xob nyob ib txwm, cov teeb hluav taws xob ultraviolet LED muaj cov cai pom tseeb thiab kev zoo.
Qhov tsis zoo ntawm cov teeb meem muaj roj mercury:
(1) Cov tsos yog cumbersome, qhov loj me yog, thiab nws yog nruab nrog hluav taws xob high-voltage.
(2) Nws siv sijhawm ntev los pib thiab tsis tuaj yeem siv tam sim ntawd.
(3) tawg yooj yim, kev pab cuam lub neej luv luv, txog li 90% kev pabcuam lub neej yog noj nyob rau hauv feem ntau hloov mus rau theem.
(4) Nws muaj cov tshuaj lom neeg lom, ua rau muaj mercury xau tom qab tawg, ua kom muaj pa phem ib puag ncig, thiab muaj kev puas tsuaj rau tib neeg kev noj qab haus huv.
Txoj cai zoo ntawm kev sib zog nqus ultraviolet LEDs:" United Nations Minamata Cov Lus Cog Tseg" kos npe los ntawm 128 lub teb chaws nyob hauv lub ntiaj teb tau nkag mus siv hauv Suav teb thaum Lub Yim Hli 2017. Cov lus cog tseg txwv kev tsim khoom thiab coj mus muag thiab xa tawm ntau yam khoom muaj mercury thiab cov tsoos tsho muaj nyob rau xyoo 2020. Kev tsim thiab muag teeb yuav raug txwv. Tsoomfwv Suav tau tshaj tawm txoj xov xwm xws li" Cov npe tshuaj txwv tsis pub tshuaj nyob hauv Suav Teb" thiab" Cov npe ntawm Kev Ntsuas Ua Ntej Tswj Xyuas Tshuaj (Thawj Ua Haujlwm)", uas muab tso rau pem hauv ntej kom meej meej rau kev tswj thiab tswj cov kua hlau mercury. Raws li lub teb chaws tseem ceeb ntawm kev tsim cov tshuaj lom mercury thiab kev tsim khoom thiab cov pa phem mercury, tsoomfwv Suav siv dag zog ua raws li kev cai ntawm Minamata Cov Lus Cog Tseg Txawm hais tias UV mercury teeb siv rau kev kho thiab ua kom tsis muaj kab tsis yog ntawm cov kev tswj tseem ceeb hauv lub xyoo no, hauv kev ua haujlwm ntev, raws li kev hloov pauv cov tsoos teeb pom kev nyob hauv cov hluav taws xob dav dav hauv thaj chaw yog qhov kev sib tw tsis pom kev, sib sib zog nqus UV LED yog hom tshiab thiab ib puag ncig zoo rau UV tau-lub xeev lub teeb ci. , Yuav tsuas yog txoj hauv kev xaiv rau ib txwm muaj teeb ci ultraviolet lub teeb hluav taws xob-teeb pom kev zoo. Nrog rau kev nkag ntawm" Minamata Cov Lus Cog Tseg GG; thiab cov kev nruam ntej ntawm kev sib zog nqus ultraviolet LED technology, sib sib zog nqus ultraviolet LED yuav ua rau txoj hauv kev loj hlob sai ntawm nws qhov kev lag luam nplai.
Cov txiaj ntsig zoo ntawm tob-ultraviolet LEDs: Ntawm ntau cov qauv ntawm kev ua kom tsis muaj menyuam thiab tua kab mob, tsuas yog nqus cov duab hluav taws xob muaj ntau lub teeb ci muaj qhov zoo ntawm lub zog-txuag, npaj-rau-siv, chaw txuag, txij nkawm-dawb, tsis muaj tshuaj lom thiab tsis muaj mob, lub neej ntev, tsis muaj ntxhiab tsis hnov tsw, thiab lwm yam. Piv nrog rau lwm txoj kev ua kom tsis muaj menyuam, sib sib zog nqus ultraviolet LED muaj cov cuab yeej kev zoo.
Thib plaub, kev cuam tshuam ntawm cov tshiab yas pneumonia sib kis ntawm kev lag luam UV LED
Cov kab mob thiab cov kab mob muaj nyob rau txhua lub ces kaum ntawm tib neeg lub neej, tab sis tsuav lawv tsis ua teeb meem loj rau tib neeg, tib neeg tsis mob siab rau kev ua kom tsis taus, thiab tseem muaj cov neeg uas coj tus cwj pwm tsis zoo ntawm" thiab mob yog tias koj noj." Lub tswv yim neej. Ib qho ntxiv, ultraviolet rays thiab cov kab mob yog qhov tsis pom thiab tsis paub, thiab nws yog qhov nyuaj rau cov neeg tau txais kev xav paub meej txog qhov cuam tshuam ntawm ultraviolet rays. Yog li, ua ntej qhov kev sib kis, qhov lag luam nce ntawm kev sib sib zog nqus ultraviolet LEDs tau ntsib cov teeb meem loj.
Kev sib kis tau ua rau tib neeg tau paub txog' s kev paub txog kev ua kom tsis muaj zog tiv thaiv ultraviolet thiab tau ua lub luag haujlwm hauv kev txhawb nqa kev cog qoob loo ntawm ultraviolet LEDs hauv khw. Thaum lub davhlau ya nyob twg tus neeg siv khoom lag luam tau qhib, nws yuav muaj tseeb tsav txoj kev loj hlob ntawm tag nrho tob ultraviolet LED kev lag luam saw hauv qab mus rau saum. Nrog cov kev nce qib uas niaj zaus ua ntawm kev lag luam ua ke, tus nqi-kev ua tau zoo ntawm sib sib zog nqus ultraviolet LED yuav txuas ntxiv mus kom zoo dua qub, uas yuav txhawb ntxiv kev nkag mus ntawm lub davhlau ya nyob twg daim ntawv thov kev lag luam thiab tsim lub voj voog tsim txiaj.
Tam sim no, txij li tus nqi / kev ua tau zoo ntawm cov hluav taws xob tob-ultraviolet LEDs tsis muaj qhov zoo tseem ceeb piv nrog cov teeb meem muaj txiaj ntsig zoo, feem ntau cov teeb hluav taws xob ultraviolet uas muaj hluav taws xob qis thiab nruab nrab feem ntau yog siv nyob rau saum npoo av thiab lwm yam xwm txheej hauv cov neeg siv khoom lag luam. Hauv daim ntawv thov kev lag luam uas yuav tsum muaj lub siab siv hluav taws xob, nws tseem yog lub ntiaj teb ntawm cov teeb meem mercury rau lub sijhawm. Sib sib zog nqus ultraviolet LED thiab cov teeb roj mercury yuav nyob ua ke hauv cov qauv ua ke rau qee lub sijhawm tom ntej. Txawm li cas los xij, raws li tus nqi-kev ua tau zoo piv ntawm sib sib zog nqus ultraviolet LEDs tseem txhim kho, nws ntseeg tau tias nyob rau yav tom ntej, cov duab hluav taws xob ultraviolet yuav ua tiav kev hloov pauv ntawm cov teeb meem mercury los ntawm kev ua tiav rau kev hloov, los ntawm hloov mus rau transcendence, thiab txawm tias tsim lawv tus kheej tshiab thov chaw.
Yog lawm, txhua lub thev naus laus zis tshiab muaj qhov zoo thiab kev pom zoo, thiab kev siv raug zoo yuav muaj txiaj ntsig rau noob neej. Thaum peb ntsib teeb meem, peb yuav tsum tsis txhob hla dhau, tsis txhob cia khoom noj dhau vim txoj kev daig caj pas. Qhov peb ua tau yog ua kom muaj qhov ua tau zoo tshaj plaws, kom cov thev naus laus zis zoo tuaj yeem pab txhua tus neeg.
