Hnub no, LED teeb tau yuav luag hloov lwm hom teeb pom kev zoo. Qhov no yog vim muaj ntau yam zoo ntawm xws li illuminators. Txawm li cas los xij, ntawm cov neeg nyob hauv muaj kev xav tias cov khoom siv no tuaj yeem tsim kev puas tsuaj rau tib neeg. Yuav kom nkag siab txog qhov teeb meem no, koj yuav tsum nkag siab tias cov khoom siv teeb pom kev zoo li cas, lawv muaj dab tsi. Seb cov teeb LED puas muaj teeb meem rau tib neeg noj qab haus huv yuav tau tham tom qab.
LED teeb khoom
LED teeb rau tsev nrog E27 puag yog hnub no suav tias yog ib qho ntawm cov khoom siv hluav taws xob nyiam tshaj plaws hauv tsev. Ntau tus yam ntxwv zoo tso cai rau cov cuab yeej no tshem tawm txawm tias hu ua tus neeg saib xyuas tsev. Cov tom kawg muaj mercury vapor hauv lub khob. Yog tias nws txoj kev ncaj ncees raug ua txhaum, ib tug neeg khiav txoj kev pheej hmoo ntawm kev lom neeg hnyav. Yog li ntawd, xws li cov teeb pom kev zoo tau maj mam tso tseg rau hauvCov hom phiaj hauv tsev.
Nyob rau xyoo 2013 muaj xov xwm hais tias LED qhov muag teev, uas lub sijhawm ntawd pib yuav ntau dua li lwm yam khoom siv hluav taws xob, muaj teeb meem rau tib neeg lub zeem muag. Cov lus no tau nthuav tawm cov txiaj ntsig ntawm kev tshawb fawb los ntawm cov kws tshawb fawb Spanish. Yuav kom nkag siab txog yam xwm txheej uas peb tab tom tham txog, koj yuav tsum ua tib zoo xav txog lub cuab yeej thiab lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm 220-volt LED teeb.
Cov khoom siv hluav taws xob no muaj ntau yam uas yuav tsum tau ua:
- Diffuser. Nws yog hemisphere, uas feem ntau yog ua los ntawm matte yas.
- Chips. Cov no yog cov txheej txheem tseem ceeb uas emit lub teeb.
- Aluminium circuit board. Nws yog nyob rau ntawm tshav kub-kev muab tshuaj txhuam. Nws zoo tshem tawm cov cua sov los ntawm cov chips, hloov mus rau lub heatsink. Qhov no tso cai rau koj los muab cov cua sov zoo rau kev ua haujlwm ntawm LED chips.
- Radiator. Ua los ntawm aluminium (anodized alloy). Muab cov cua kub zoo tshaj plaws los ntawm cov khoom siv.
- Txoj Kev. Nws muaj ib lub voj voog ntawm galvanically cais pulse-dav modulator. Tsim los kom ruaj khov ntawm cov hluav taws xob tam sim no, uas tuaj yeem pom thaum lub zog poob.
- Lub hauv paus ntawm plinth. Nws yog tsim los ntawm cov khoom siv polymer uas tiv thaiv lub cev los ntawm hluav taws xob poob siab.
- Plinth - Ua los ntawm npib tsib xee plated tooj dag. Muab kev ruaj ntseg tiv tauj nrog lub cartridge. Lub xub ntiag ntawm sputtering tiv thaiv kev txhim khocorrosion.
Nws tsim nyog sau cia tias lub teeb lub teeb tsis raug kaw, vim nws tsis muaj roj tshwj xeeb. Raws li tus nqi ntawm cov tshuaj lom los yog teeb meem, LED teeb tuaj yeem muab faib ua tib yam li cov khoom siv hluav taws xob feem ntau tsis tsim nrog cov roj teeb.
Ntawm lub teeb dawb
Xav txog cov yam ntxwv ntawm LED teeb rau lub tsev nrog lub hauv paus E27, koj yuav tsum tau xyuam xim rau qhov zoo ntawm cov luminous flux. Tsis zoo li lwm cov teeb pom kev zoo, ntawm no cov xim kub tuaj yeem sib txawv heev. Nws tuaj yeem yog nruab nrab, txias lossis sov. Qhov ntsuas no siab dua, qhov hluav taws xob ntau dua nyob rau hauv xiav spectrum.
Lub retina ntawm tib neeg lub qhov muag yog qhov nkag siab tshaj plaws rau xiav. Nrog rau lub teeb ntev ntev, cov hlwb pib degrade. Tshwj xeeb yog teeb meem yog lub teeb dawb ntawm qhov txias spectrum rau lub qhov muag ntawm cov me nyuam. Qhov no tau lees paub los ntawm ntau qhov kev tshawb fawb. Hauv cov menyuam mos, retina yog nyob rau hauv tus txheej txheem ntawm kev loj hlob. Thaum raug cov rays ntawm xiav spectrum, nws yog khaus thiab tsim tsis raug.
Kawm txog cov txiaj ntsig ntawm LED teeb ntawm lub zeem muag, cov kws tshawb fawb tau xaus lus tias thaum siv ntau tshaj ob lub teeb pom kev zoo ntawm hom no, nws yog ib qho tsim nyog yuav tsum tau nruab ob peb lub teeb incandescent ntxiv rau hauv chandelier. Lawv lub zog yuav tsum tsis txhob siab, 40-60 watts txaus. Koj tuaj yeem ntxiv cov teeb pom kev zoo li no nrog LED teeb ntawm lub teeb ci sov.
Tab sis nws tsim nyog sau cia tias siv LEDteeb uas tsis muaj lub siab pulsation coefficient tau pom zoo rau kev siv hauv tsev los ntawm Ministry of He alth ntawm Lavxias Federation. Cov teeb pom kev zoo li no tsis muaj teeb meem. Txhawm rau xaiv lub teeb pom kev zoo, koj yuav tsum tau them sai sai rau qhov kub ntawm qhov ci. Qhov ntsuas no yog qhia los ntawm cov chaw tsim khoom ntawm lub ntim. Qhov kub ntawm lub teeb ci uas tau lees paub tias muaj kev nyab xeeb yuav tsum nyob hauv thaj tsam ntawm 2700 txog 3200 K. Rau lub tsev, koj yuav tsum tau yuav cov teeb ci sov so, vim lawv zoo ib yam li lub hnub ci ntuj.
Blue teeb beam
Nyob rau hauv kev tshawb nrhiav cov lus teb rau lo lus nug ntawm seb lub teeb LED puas tsim kev puas tsuaj, nws tsim nyog sau cia ib qho nuance. Lub teeb xiav yog qhov teeb meem tiag tiag rau kev noj qab haus huv ntawm retina. Tab sis rau qhov no, nws qhov kev cuam tshuam yuav tsum ntev thiab nquag. Nws yog ib qho tsim nyog sau cia tias cov kev tshawb fawb uas tau lees paub tias muaj kev puas tsuaj ntawm lub teeb hluav taws xob zoo li no tau ua nyob rau hauv cov xwm txheej ntawm lub teeb pom kev zoo. Tag nrho cov spectrum ntawm hluav taws xob nyob rau hauv ntau yam tsis zoo rau lub retina.
Nyob rau hauv txias dawb LEDs, qhov feem ntawm xiav tivthaiv yog tam sim no. Tab sis nws kuj muaj nyob rau hauv tshav ntuj. Ntxiv mus, nyob rau hauv cov nqe lus ntawm cov hluav taws xob xws li hluav taws xob, ntuj teeb pom kev zoo tsis yog qis dua rau cov khoom tsim.
Ib tug neeg nyob hauv lub ntiaj teb niaj hnub no siv sijhawm ntau ntawm lub computer, smartphone lossis TV. Cov khoom siv zoo li no ua rau muaj kev phom sij ntau dua li cov teeb ci LED nrog lub teeb txias dawb. Nws yog qhov teeb meem tshwj xeeb yog tsom rau ntawm qhov screen ntawm qhov deb tsawg dua 1 meter.
Ripple
Kawm seb cov teeb LED puas tsim kev puas tsuaj rauqhov muag kev noj qab haus huv, nws yog tsim nyog them sai sai mus rau xws li ib tug nam ntawm lawv ua hauj lwm li pulsation. Qhov zoo no muaj nyob rau hauv yuav luag txhua qhov chaw ntawm cov teeb pom kev zoo. Flicker yog qhov tsis muaj kev nyab xeeb, uas tau ua pov thawj los ntawm cov kws tshawb fawb ntev.
Lub paj hlwb tsis zoo cuam tshuam los ntawm flicker hauv thaj tsam ntawm 8-300 Hz. Ntxiv mus, nws tuaj yeem yog ob qho tib si pom thiab pom tsis pom. Cov nthwv dej uas tawm cov khoom siv hluav taws xob, cuam tshuam rau lub cev ntawm lub zeem muag, lub hlwb. Qhov no ua rau muaj kev tsis zoo ntawm kev noj qab haus huv feem ntau. LED teeb tsis muaj qhov zam. Tab sis qhov no, qhov cuam tshuam rau tib neeg lub cev yog tsawg.
Qhov teeb meem ntawm LED teeb tuaj yeem raug txo kom tsawg yog tias lub kaw lus tau ntxiv nrog cov lim dej zoo. Nws yog ntsia rau ntawm tus tsav tsheb voltage. Qhov no tso cai rau koj kom txuag tau cov khoom siv hluav taws xob los ntawm cov khoom sib txawv. Tus nqi ripple hauv qhov no tsis pub tshaj 1%.
Tus pulsation coefficient, uas tau tso cai raws li kev cai huv, yuav tsum tsis pub tshaj 10%. Txhawm rau ua qhov no, txawm tias nyob rau hauv qhov pheej yig tshaj qhov muag teev, lub zog hloov hluav taws xob tau ua rau hauv. Tab sis kev lim dej zoo tsuas tuaj yeem ua tiav thaum siv lub tshuab hluav taws xob zoo. Tus nqi ntawm lub teeb nyob rau hauv rooj plaub no tsis tuaj yeem qis. Xws li cov teeb pom kev zoo yog tsim los ntawm cov tuam txhab paub zoo. Nyob rau hauv rooj plaub no, nws tsis yog txwv tsis pub rau nruab LED teeb nyob rau hauv cov me nyuam chav.
Melatonin secretion
Kawm txog qhov phom sij ntawm LED teeb, ib tus tuaj yeem hla cov lus hais tias lawv txwv kev tsim cov tshuaj hormone melatonin. Nws yog lub luag haujlwm rau tswj lub circadian atherosclerosis thiab zaus ntawm kev pw tsaug zog. NrogThaum tsaus ntuj, qhov concentration ntawm cov tshuaj hormone melatonin hauv lub cev noj qab haus huv nce. Ua rau koj tsaug zog.
Ua haujlwm hmo ntuj, ib tug neeg tsoo nws biorhythms. Nws lub cev raug rau ntau yam tsis zoo, nrog rau cov teeb pom kev zoo. Hauv chav kawm ntawm cov kev tshawb fawb, nws tau pom tias LED rays cuam tshuam tsis pom kev thaum hmo ntuj. Nws ci heev.
Yog li ntawd, tom qab tsaus ntuj, koj yuav tsum zam lub teeb ci uas LED teeb tawm. Qhov no yog qhov tseeb tshwj xeeb ntawm chav pw, cov menyuam yaus chav. Thaum tsaus ntuj, lub teeb tawm los ntawm LED teeb yuav tsum dim.
Cov txiaj ntsig ntawm kev txo qis ntawm melatonin tuaj yeem pom yog tias koj saib TV lossis saib uas muaj LED backlight ntev. Yog tias qhov kev cuam tshuam zoo li no, ib tus neeg tuaj yeem tsim insomnia. Qhov no yog qhov teeb meem ntawm LED teeb, uas tuaj yeem tiv thaiv los ntawm kev suav nrog dimmer hauv hluav taws xob Circuit Court. Nrog rau qhov pib ntawm qhov tsaus ntuj, nrog rau cov cuab yeej no, koj tuaj yeem txo qhov kev siv ntawm lub ci los ntawm kev dimming lub teeb.
Nws tseem yuav tsum nkag siab tias melatonin tseem yog lub luag haujlwm rau kev ua haujlwm ntawm cov txheej txheem oxidative. Qhov no ua rau kev laus qeeb qeeb. Yog tias melatonin tsis tsim muaj ntau txaus, qhov no ua rau kev laus ntxov ntxov thiab lwm yam tsis zoo.
Standardization
LED qab nthab thiab rooj teeb yog tsim raws li cov qauv tsim. Nws yog tsim nyog sau cia tiastsis muaj ib qho ntaub ntawv tswj hwm rau tag nrho cov teeb pom kev zoo ntawm hom no. Qhov no cheeb tsam ntawm kev lag luam ntau lawm tseem tab tom tsim. Muaj cov pluses tshiab thiab minuses ntawm no.
Kev tsim qauv ntawm cov khoom siv teeb pom kev zoo LED yog ib feem ntawm cov kev cai tam sim no. Lawv tswj cov kev cuam tshuam ib txwm rau tus neeg lub zeem muag, uas nws txoj kev noj qab haus huv yuav tsis cuam tshuam. Piv txwv li, GOST R IEC 62471-13 piav qhia txog cov txheej txheem thiab cov xwm txheej rau kev ntsuas cov teeb pom kev zoo ntawm txhua lub teeb, suav nrog cov khoom siv LED. Muaj cov qauv siv los xam cov nqi siab tshaj plaws rau kev raug phom sij.
Cov qauv qhia tau hais tias txhua yam khoom siv teeb pom kev zoo uas tso tawm lub teeb yoj tsis tu ncua raug xa mus rau ib qho ntawm 4 pawg phom sij. Kev txiav txim siab ntawm seb lub teeb yog nyob rau hauv ib qeb yog ua raws li kev sim. Rau qhov no, cov hluav taws xob ultraviolet thiab infrared kuj tau ntsuas, uas tuaj yeem ua rau lub qhov muag txaus ntshai. Qhov kev siv ntawm raug rau lub teeb xiav, cov nyhuv thermal uas lub teeb pom kev zoo tawm, kuj tau txiav txim siab. Cov teebmeem no tuaj yeem cuam tshuam rau kev noj qab haus huv ntawm retina.
SP 52.13330.2011 tsim cov kev cai rau LED qab nthab teeb, nrog rau lwm yam teeb pom kev zoo. Nws hais ntawm no hais tias qhov tsis muaj ntawm lub teeb flux tawm los ntawm cov khoom siv zoo li no yuav tsum tsis txhob mus dhau qhov kev tso cai txwv. Cov qauv no qhia cov xim ntawdQhov kub thiab txias yuav tsum nyob nruab nrab ntawm 2400 thiab 6800 K. Qhov siab tshaj plaws tso cai UV hluav taws xob yog 0.03 W / m². Ntau lwm cov coefficients thiab cov ntsuas ntsuas kuj normalized los ntawm tus qauv no.
Infrared thiab ultraviolet ntau yam
Ntau tus neeg yuav khoom xav paub yog tias cov teeb ci LED puas tsim kev puas tsuaj rau qhov muag. Txhawm rau txiav txim siab tias nws raug nquahu kom yuav cov teeb pom kev zoo li no, ib qho ntxiv yuav tsum tau txiav txim siab.
Nws tsim nyog sau cia tias koj tuaj yeem tau txais lub teeb dawb ci siv ob txoj hauv kev. Nyob rau hauv thawj rooj plaub, 3 crystals yog ua ke nyob rau hauv ib rooj plaub - xiav, ntsuab thiab liab. Lub yoj tsis mus dhau qhov pom spectrum. Yog li ntawd, xws li lub teeb tsis tuaj yeem tsim teeb pom kev hauv infrared lossis ultraviolet spectrum.
Txoj kev thib ob suav nrog kev tau txais lub teeb dawb ntawm lub teeb los ntawm kev siv xiav LED. Ib qho tshwj xeeb phosphor yog siv rau nws qhov chaw. Nws tsim ib kwj ntawm rays uas daj xim predominates. Los ntawm kev sib xyaw xim xiav thiab daj ntxoov ntxoo, qhov sib txawv ntawm cov xim dawb ci tau txais.
Txawm hais tias nrog cov thev naus laus zis no, qhov pom ntawm ultraviolet rays yog qhov tsis txaus ntseeg. Lawv tsis tuaj yeem ua mob rau koj qhov muag. Infrared tawg yog me ntsis siab dua, tab sis nws tsis tshaj 15%. Qhov ntsuas no tsis sib npaug tsawg dua li ntawm lub teeb ci.
electromagnetic hluav taws xob
Cov lus nug ntawm seb puas muaj teeb meem los ntawm LED teeb yuav tsum raug txiav txim siab los ntawm lwm qhov kev pom. Qee cov neeg thov tias cov khoom siv hluav taws xob nthuav tawm tawm ib qho lojtus nqi hluav taws xob hluav taws xob.
Tus qauv tsim suav nrog lub tshuab ua haujlwm siab. Cov neeg tsav tsheb no yog qhov muaj zog tshaj plaws ntawm cov hluav taws xob hluav taws xob hluav taws xob hauv LED teeb. Cov pulses ntau zaus uas cov cuab yeej tsim tawm tuaj yeem cuam tshuam rau kev ua haujlwm ntawm xov tooj cua transmitters, Wi-Fi li, yog tias lawv nyob ze rau cov khoom siv no.
Tab sis nws tsim nyog nco ntsoov tias txawm hais tias hluav taws xob hluav taws xob hluav taws xob ntawm LED teeb muaj siab, nws muaj kev nyab xeeb rau tib neeg kev noj qab haus huv. Nws qib yog ntau qhov kev txiav txim siab qis dua li ntawm Wi-Fi router, smartphone lossis microwave qhov cub.
Suav qhov muag teev
Puas yog cov teeb ci LED ntawm cov tuam txhab paub me me puas muaj teeb meem? Qhov tseeb yog tias, vim nws tsim, lub teeb pom kev zoo tsis tuaj yeem pheej yig. Yog li ntawd, cov khoom suav nrog tus nqi qis, tsis tuaj yeem ua raws li cov qauv tsim.
Kev phom sij ntawm kev siv cov teeb ci LED no yog siv cov khoom tsis zoo. Yog li, cov teeb uas raug nqi tsawg dua 250 rubles. ib daim muaj qhov tsis zoo voltage converter nyob rau hauv tus tsim. Hloov chaw tus tsav tsheb puv puv, lub tshuab hluav taws xob tsis muaj hluav taws xob tau teeb tsa hauv cov khoom siv zoo li no. Nws muaj ib tug polar capacitor, uas neutralizes lub variable tivthaiv.
Qhov no muaj lub peev xwm me me, yog li nws tsuas tuaj yeem tiv thaiv qee qhov ntawm nws txoj haujlwm. Vim li no, ripple yam tuaj yeem ncav cuag 60%. Qhov no cuam tshuam tsis zoopom kev thiab kev noj qab nyob zoo. Yog li ntawd, koj yuav tsum tsis txhob yuav khoom pheej yig hauv Suav teb. Nws tuaj yeem tsim teeb meem rau tib neeg.
Kev xav
Yog li, cov qij LED puas tsim kev puas tsuaj? Cov kws tshaj lij hais tias qhov cuam tshuam tsis zoo ntawm cov teeb pom kev zoo uas tau nthuav tawm yog exaggerated heev. Txhawm rau kom tsis txhob muaj qhov tshwm sim tsis zoo rau lub zeem muag, koj yuav tsum xaiv lub teeb pom kev zoo uas tsim los ntawm cov tuam txhab muaj npe nrov. Koj kuj yuav tsum dim lub teeb thaum hmo ntuj. Hauv qhov no, yuav tsis muaj teeb meem los ntawm kev siv cov teeb pom kev zoo li no.
