Lub teeb LED ntev npaum li cas tiag tiag?
Niaj hnub no, LED teeb pom kev zoo tau siv txhua qhov chaw, suav nrog hauv kev lag luam, tsev, thiab chaw lag luam. Txawm li cas los xij, cov teeb ci incandescent tseem siv dav hauv ntau lub tsev. Cov neeg xav tias ntev npaum li cas cov teeb LED yuav ua kom ntev ua ntej hloov mus rau lawv. Qhov ntawd yog qhov tsim nyog vim tias cov qij LED tshiab yog kim dua li siv. Kab lus no yuav saib lub neej ntawm cov LEDs niaj hnub hauv cov xwm txheej ua tau zoo.
Ntev npaum li cas LED teeb qhov muag teev?
Muaj pov thawj tias LED teeb muaj sia nyob mus txog kaum xyoo. Qhov no txhais tau hais tias lawv tuaj yeem tswj lub teeb pom kev ntawm 10, 000 thiab 50, 000 teev. Qhov kev xaiv dav ntawm lub teeb no yog dab tsi! Yog lawm, LED qhov muag teev tau ntev heev, tab sis nco ntsoov tias lawv tsis tiv taus qhov kawg tsis ua haujlwm. Txawm li cas los xij, feem ntau, LED teeb yuav nyob ntev dua li cov teeb pom kev zoo.
Thaum cov teeb ci LED muaj lub neej ntev txog 50, 000 teev, qhov no qhia tau tias lawv tuaj yeem siv sijhawm ntev txog 25 npaug ntawm cov teeb halogen. Piv nrog rau lwm cov teeb pom kev zoo, LEDs yuav nyob ntev li kaum zaus. Qhov no suav nrog cov teeb pom kev zoo fluorescent, CFLs, thiab lub teeb pom kev siab siv hluav taws xob (HID). Nyob rau hauv kev sib piv rau high-pressure sodium teeb (HIPS) thiab low-pressure sodium teeb, LED teeb lub teeb muaj lub neej ntev (LPS).
Ib 50-watt incandescent teeb uas tsuas tsim lub teeb rau 1,000–2,000 teev yog outlasted los ntawm ib lub teeb LED. Qhov twg thiab ntev npaum li cas koj siv lub teeb ci LED txhua hnub nyob ntawm seb nws kav ntev npaum li cas. Saib cov qauv hauv qab no rau ib txwm 25,000-teev LED teeb.
Ib qho piv txwv yog 17-xyoo lifespan ntawm LEDs.
Lub teeb LED no yuav nyob ib puag ncig 6 xyoo yog tias koj tso nws rau 12 teev hauv ib hnub. Nws yuav siv sij hawm ntev heev - 17 xyoo - yog tias koj nyuam qhuav siv 4 teev txhua hnub.
Vim li cas LED qhov muag teev ntev npaum li cas?
Txhua hom teeb pom kev zoo tuaj yeem nruab nrog LEDs ua tsaug rau cov tuam txhab LED. LED qhov muag teev tam sim no yog siv rau kev teeb pom kev zoo, hnub so teeb pom kev zoo, teeb pom kev zoo sab nraum zoov, teeb pom kev zoo, thiab teeb pom kev zoo los hloov cov teeb pom kev zoo hauv qee qhov teeb pom kev zoo. Nws tsis pub leejtwg paub tias kev yuav LED teeb raug nqi ntau dua. Txawm li cas los xij, kev txuag nyiaj mus sij hawm ntev los ntawm lawv cov teeb pom kev zoo yog ntau dua rau koj lub hnab nyiaj.
Rau ob tsev neeg thiab cov tuam txhab, lawv yog ib qho txiaj ntsig zoo thiab kev nqis peev mus ntev. Cov teeb no lub neej ntev yog qhov tshwm sim ntawm LED thev naus laus zis. Qhov sib txawv hauv kev tsim kho ntawm LED teeb pom kev zoo txhawb nqa lawv lub neej ntev. Capacitors, resistors, thiab inductors ua cov khoom tseem ceeb ntawm LED teeb:
Capacitor: Ib qho tseem ceeb ntawm kev tsim kho ntawm LED teeb yog lub capacitor. Capacitors tiv thaiv flickering, khaws lub teeb ci LED los ntawm overheating, thiab txuas nws lub neej.
LED resistors: Ib qho LED resistor txo qhov tam sim no uas ntws los ntawm nws. Yog li, tswj cov nqi tam sim no uas dhau los ntawm LED qhov muag pab tiv thaiv kom tsis txhob kub dhau.
Muaj ob peb xim LED inductors uas tuaj yeem tsim lub teeb dawb (liab, ntsuab, amber, xiav). Ib coated phosphor tshuaj npog lub noob. Cov txheej hloov lub teeb ntau lub hues rau hauv lub teeb dawb paub uas peb siv hauv peb tsev.
Txawm hais tias koj tab tom siv cov dej ntws loj dua li qhov tsim nyog thaum ua haujlwm LEDs yog lwm lub ntsiab lus nyob rau hauv ntev npaum li cas lawv yuav dhau mus. Txhua qhov loj LED teeb lub neej yuav raug txo los ntawm cov dej ntws siab dua.
Puas yog koj lub LED teeb dimming?
Cov lus hais saum toj no deteriorates lub sij hawm yog tias LED teeb pib dim. Txawm li cas los xij, koj lub teeb yuav tsis poob sai sai. Koj lub teeb ci LED yuav raug txo qis rau qhov ntawd. Nws yog qhov nthuav kom nco ntsoov tias LED teeb tsis hlawv tawm. LED teeb yuav ua kom kub hnyiab tau ntau teev thiab hnub kawg, txawm li cas los xij tom qab lub sijhawm lawv degrade thiab loj hlob dim. Thov nco ntsoov tias vim tias cov nyhuv no maj mam maj mam thiab hauv cov theem me me, nws tsis tuaj yeem muab piv rau dimmer tiag tiag.
Lub qhov muag tsis pom kev LED tseem ua rau ntau lub teeb. Dimming LED teeb muaj txawm tias lwm qhov zoo dua. Lawv ua tau zoo dua. Yog li, qhov teeb pom kev tsis tshua muaj zog no txhawb nqa nws txoj kev ua neej ntev. Ntawm qhov txo qis lub zog hluav taws xob, dimming LED teeb tseem ua tau zoo dua. Lub teeb pom kev zoo thiab LED qhov muag teev yog ob hom kev sib txawv kiag li.
Huag, muaj tseeb, cov filaments ntawm cov qhov muag teev yog lwm tus yam ntxwv tseem ceeb. Cov teeb pom kev zoo ib txwm ua kom sov siv cov filaments kub heev. Raws li qhov tshwm sim ntawm cov cua kub ntau dhau, filaments yuav hlawv tawm thiab, qee zaus, tawg. LEDs txuas ntxiv ci ntsa iab yam tsis muaj cua sov.
Wattage vs. Lumens
Raws li cov neeg siv khoom, peb paub tias wattage hais txog qhov ci ntawm lub teeb pom kev zoo li cas yuav hlawv. LED illumination yog qhov txawv. LEDs inherently muaj qhov ntsuas qis dua vim tias lawv tau tsim nrog lub hom phiaj ntawm kev siv lub zog tsawg. Lumens yog qhov tshiab brightness parameter kom paub qhov txawv LED teeb pom kev zoo. Txawm li cas los xij, Tsoom Fwv Teb Chaws Kev Lag Luam Hauv Teb Chaws Asmeskas tau pib siv cov lus kev lag luam no cuaj xyoo dhau los, yog li lumens tsis yog tus qauv tshiab ntawm kev ntsuas.
Nws lub sij hawm siv yog zoo tagnrho rau LED ib puag ncig. Txij li cov teeb ci LED tam sim no yog qhov kev xaiv siv zog tshaj plaws, hloov mus rau lawv yuav tsis txo qhov ci. Tshawb xyuas cov lumens ib watt piv ntawm LED teeb los txiav txim siab nws qhov ci. Koj yuav tau txais ntau lub teeb pom kev zoo thiab nws yuav siv zog ntau dua li cov lumen nce.
LEDs dhau 10 xyoo dhau los - Tiag?
Ntawm qhov ntim ntawm lawv cov khoom LED, cov tuam txhab lag luam feem ntau hais tias lawv cov qij LED muaj lub neej ntev 10- xyoo. Koj puas paub cov lus hais, "Nyeem cov ntawv zoo"? Yog tias koj ua tib zoo nyeem daim ntawv lo rau ntawm qhov pheej yig tshaj LED qhov muag teev, koj yuav pom tias muaj kev lees paub 10- xyoo tsuas yog siv tau yog tias koj hlawv qhov muag tsis pub ntau tshaj 2 lossis 3 teev txhua hnub. Nws kuj yog ib qho tseem ceeb rau cov nqi qis dua LED teeb qhov muag kom tsis txhob nyob ntev npaum li cov qij los ntawm cov tuam txhab paub zoo.
Koj lub teeb LED tuaj yeem nyob ze li peb xyoos yog tias koj xav siv lub teeb qis dua rau ntau teev txhua hnub. Qhov tseeb, qhov qis-kawg LED teeb uas kav ntev li no tseem zoo dua rau lub teeb pom kev zoo. Txawm li cas los xij, tus naj npawb ntawm cov sij hawm hlawv txhua hnub tseem yog qhov tseem ceeb hauv kev txiav txim siab ntev npaum li cas koj cov qij LED yuav nyob.
Cov txiaj ntsig ntawm LED teeb pom kev zoo
Txij li thaum tsis muaj mercury tam sim no, cov cua tsim los ntawm LED teeb pom kev zoo tsis muaj tshuaj lom. Ib puag ncig tus phooj ywg thiab rov ua dua tshiab, LED teeb. Cov lag luam thiab cov tswv tsev txuag nyiaj los ntawm kev tsis tas yuav hloov qhov muag teev.
Cov ntaub ntawv siv tau zoo yog siv los tsim cov teeb ci LED. Lawv tau pom tias muaj sia nyob ntawm qhov kub thiab txias, tsis tawg tam sim ntawd yog tias poob, thiab zam rau ntau qhov kev vibrations thiab shocks.
LED teeb tuav lawv lub neej txee. LED qhov muag teev tuaj yeem yuav ntau thiab khaws cia rau lub sijhawm ntev, txawm tias nyob hauv ntau qhov kub thiab txias.
Thaum nws txias los yog kub sab nraud los yog txhua lub sijhawm ntawm lub xyoo, LED qhov muag teev yuav raug siv. Qhov kev hloov ntawm huab cua muaj kev cuam tshuam loj rau lwm cov qij, xws li fluorescent lossis incandescent illumination.
Thaum koj hloov ntawm lub teeb LED, nws tseem ci ntsa iab kom txog thaum koj tua nws. Tsis zoo li cov qij qis qis zoo li halogens, uas siv ob peb feeb kom ncav cuag lawv cov txiaj ntsig zoo tshaj plaws, LED qhov muag teeb kuj tseem ci ntsa iab sai.
Kuv txaus siab rau Thomas Edison rau kev tsim lub teeb. Txawm li cas los xij, cov tswv yim tau hloov pauv los ntawm cov cuab yeej siv niaj hnub no. Niaj hnub no, LEDs tau ua haujlwm hauv ntau lub lag luam thiab thaj chaw, suav nrog NASA thiab kev kho mob. Ntau lab tus tib neeg tau txais kev pab los ntawm LED teeb kho. Los ntawm kev siv cov ntaub qhwv ntsej muag, lub teeb xiav LED qhov muag tau pab kho qhov mob sai sai ntawm qhov txhab thiab kab mob. "High brightness" LEDs yog lub npe rau hom LED teeb pom kev zoo (HBLEDs).
Hauv kev sib piv rau cov teeb pom kev zoo LED siv los teeb lub tsev thiab feem ntau ntawm cov lag luam, cov khoom siv hluav taws xob ntau dua no muab cov teeb pom kev ntau dua. Twb tau, LED lub zog yog tsim lub koob npe nrov dua. Txawm li cas los xij, lawv tseem tsim teeb pom kev zoo nrog lub zog ua haujlwm siab dua thiab lub neej ntev dua li lwm hom teeb pom kev zoo.
Xaus
Technology yuav nce mus raws li nws ua nrog txhua yam. Thaum lub sij hawm, LED efficiency thiab brightness yuav txhim kho, ua sophisticated, thiab tej zaum txawm mus txog 100, 000 teev ntawm illumination. Tab sis tam sim no, muaj ob peb yam uas peb tuaj yeem ua tau los daws qhov teeb meem ntawm LED teeb nyob ntev npaum li cas. Qhov no suav nrog kev siv cov qij LED hauv cov teeb pom kev zoo uas tsis muaj kev sib txuas nrog cov teeb pom kev zoo lossis cov fluoride qhov muag uas koj yuav tau pw ib ncig ntawm lub qhov (socket).
Koj lub teeb qub hluav taws xob ntau lawm tuaj yeem ua rau lub teeb pom kev ntawm ib puag ncig los ntawm LED qhov muag teev. Tom qab tag nrho, ntev npaum li cas koj tso koj lub teeb ci LED, qhov ntau koj tau nkim lawv cov txiaj ntsig, lub neej, thiab nyiaj txiag. Yog li, txhawm rau txuas lub neej ntawm koj lub teeb ntxiv, nco ntsoov hloov lawv thaum koj tawm hauv txhua chav.
