Kev tsim kho tshiab thiab tshiab tshaj plaws hauv kev teeb pom kev zoo yog LED (Light Emitting Diodes), uas tau txais kev thov rov hais dua hauv peb lub khw vim nws cov txiaj ntsig, suav nrog cov teeb pom kev zoo, lub neej ntev, thiab kev ua siab ntev. Piv nrog rau cov fluorescent lossis incandescent qhov muag teev, cov teeb pom kev zoo raws li semiconductor thev naus laus zis P thiab N muaj lub neej ua haujlwm ntev txog li 20 npaug. Qhov no ua rau nws yooj yim rau peb piav qhia tag nrho cov teeb pom kev zoo ntawm LED ntau yam txiaj ntsig.
Ntev siv los ua ib qho tseem ceeb hauv cov khoom siv hluav taws xob, lub teeb-emitting diodes tsuas yog tsis ntev los no tau siv ntau dua ua tsaug rau lub zog siab LEDs uas muab lub teeb muaj zog txaus los hloov mercury fluorescent teeb, incandescent teeb, los yog hu ua lub zog txuag hluav taws xob.
Tam sim no, LED qhov chaw thiab cov qauv uas muaj zog txaus los siv rau kev teeb pom kev zoo, xws li kev teeb pom kev zoo lossis chaw ua si, nrog rau cov teeb pom kev zoo rau cov tsev ua haujlwm, chaw ntau pob, thiab txuas hniav, yog nyob rau hauv kev ua lag luam. Tsis tas li ntawd, lawv ua haujlwm zoo li qhov tseem ceeb ntawm cov teeb pom kev zoo hauv cov chaw tsim khoom, chaw cia khoom, thiab chaw ua haujlwm.
Cov teeb pom kev zoo tshaj plaws hauv cov tshuab LED uas hloov cov teeb pom kev zoo yog LED SMD thiab COB, tseem hu ua Chip LEDs, nrog rau cov khoom siv xws li 0.5W txog 5W rau lub teeb pom kev hauv tsev thiab los ntawm 10W txog 50W rau kev lag luam. Yog li ntawd, puas muaj txiaj ntsig rau LED teeb pom kev zoo? Yog, tab sis kuj tseem muaj qee yam kev txwv. Piav txog lawv.
cov txiaj ntsig ntawm LED teeb pom kev zoo
Ib qho ntawm qhov zoo tshaj plaws ntawm LED teeb yog lawv lub neej ua haujlwm ntev. Piv nrog rau lub teeb txuag hluav taws xob, uas muaj lub neej kev pab tsawg tshaj li ib xyoos, LEDs siv nyob rau hauv daim ntawv ntawm illumination no muaj kev ua haujlwm siab thiab tuaj yeem ua haujlwm ntev txog 11 xyoo. Piv txwv li, LEDs ua hauj lwm 8 teev nyob rau ib hnub yuav muaj kev pab cuam lub neej ntawm kwv yees li 20 xyoo ua ntej yuav tsum tau hloov nrog lub teeb tshiab. Tsis tas li ntawd, ntau lub voj voog qhib / tawm tsis muaj teeb meem rau lub neej kev pabcuam, txawm hais tias lawv ua rau cov teeb pom kev laus dua.
Efficiency - Nyob rau hauv qhov ntau ntawm luminous efficiency ntawm 80-90 feem pua rau cov qauv teeb pom kev zoo, LEDs yog tam sim no lub zog siv tau zoo tshaj plaws, siv lub zog tsawg (hluav taws xob) ntau dua li incandescent, fluorescent, hlau halide, lossis mercury teeb. Qhov no qhia tau hais tias thaum 20 feem pua ntawm lub zog siv los ntawm gadget yog nkim thaum tshav kub, qhov seem 80 feem pua yog hloov mus rau lub teeb. Tsuas yog 5 mus rau 10 feem pua ntawm lub zog uas tau muab rau lub qhov muag teeb tau hloov mus rau lub teeb.
Qhov txiaj ntsig ntawm LED teeb pom kev zoo tshaj qhov teeb pom kev zoo yog tias nws tsis muaj cov filaments lossis iav qhov chaw, uas yog qhov tsis tshua muaj siab rau pob thiab tshuab. LED teeb pom kev zoo kuj muaj qhov kub thiab qhov cuam tshuam zoo dua. High-zoo polymers thiab txhuas feem ntau yog siv nyob rau hauv lub chaw tsim khoom ntawm high-zoo LED teeb pom kev zoo, ua rau lub tom kawg muaj zog thiab kev co- thiab tsis kub-resistant.
Kev hloov hluav taws xob: Vim lawv qhov kev ua tau zoo, LEDs tsim hluav taws xob tsawg dua li cov teeb pom kev zoo. 90 feem pua ntawm cov khoom siv hluav taws xob no tau ua tiav thiab hloov mus rau hauv lub teeb, tso cai rau tib neeg kev sib cuag nrog lub hauv paus ntawm LED teeb pom kev zoo yam tsis muaj kev pheej hmoo ntawm kev kub hnyiab txawm tias tom qab siv sijhawm ntev. Tsis tas li ntawd, qhov kev pheej hmoo ntawm kev raug hluav taws kub yog txwv rau cov xwm txheej uas siv cov teeb pom kev qub qub, uas tuaj yeem ua rau cov chav kub kub txog li ob peb puas degrees. Vim li no, LED teeb pom kev zoo dua rau cov khoom lossis cov tshuab uas tshwj xeeb tshaj yog kub-rhiab heev.
Ecology - Lwm qhov txiaj ntsig ntawm LED teeb pom kev zoo yog tias, tsis zoo li lub teeb txuag hluav taws xob, nws tuaj yeem rov ua dua tshiab. Qhov no txo qis carbon dioxide emissions vim hais tias mercury thiab lwm yam tej yam ntuj tso hlau tsis muaj nyob rau hauv LEDs. Lawv suav nrog ib puag ncig zoo tshuaj molecules hu ua phosphor, uas muab lawv lub teeb xim.
Xim: Nrog LED thev naus laus zis, peb tuaj yeem tau txais txhua xim ntawm lub teeb pom kev zoo. Dawb, liab, ntsuab, thiab xiav yog thawj xim, tab sis ua tsaug rau niaj hnub technology, peb yuav tau txais ib yam xim. Liab, Ntsuab, thiab Xiav yog peb xim uas ua rau RGB palette, thiab txhua qhov tshwj xeeb LED RGB system suav nrog peb feem uas txhua tus tsim cov xim sib txawv.
Qhov tsis zoo
Nqe - Piv rau cov teeb pom kev zoo ib txwm muaj, LED teeb pom kev zoo yog kev nqis peev ntau dua. Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias lub neej ntawm cov teeb no ntev dua (tshaj 10 xyoo) dua li cov teeb pom kev zoo ib txwm muaj, thiab lawv kuj siv zog tsawg dua li cov teeb pom kev qub qub. Txhawm rau kom ua haujlwm tau zoo ntawm LED teeb pom kev zoo, peb yuav tsum yuav tsawg kawg 5-10 qhov muag teev qub, uas yuav tsis tas yuav txuag peb nyiaj.
Temperature rhiab heev - Kev khiav hauj lwm kub ntawm ib puag ncig muaj kev cuam tshuam loj rau lub teeb pom kev zoo ntawm diodes. LED module yuav hlawv tawm vim muaj kev hloov pauv ntawm cov yam ntxwv ntawm cov tam sim no ntws los ntawm cov khoom siv semiconductor ntawm qhov kub thiab txias. Tsuas yog thaj chaw thiab qhov chaw raug kub hnyiab heev los yog kub heev (steel mills) raug cuam tshuam los ntawm qhov teeb meem no.
