Cov hauv qab no yog qee txoj hauv kev zoo tshaj plaws rau kev daws teeb meem LED teeb: Cov teeb pom kev zoo LED tsis zoo, teeb meem kev siv hluav taws xob, kev sib txuas xoob, inrush tam sim no, thiab cov teeb meem kev sib raug zoo nrog dimmer keyboards tsuas yog qee qhov kev hloov pauv uas yuav ua rau LED teeb flickering. .
A. Hloov cov tsav tsheb LED thiab cov khoom siv hluav taws xob
Kev hloov ceev ceev ntawm / tawm ntawm LEDs uas tau tsav los ntawm kev hloov pauv tam sim no (AC) yog hu ua AC zaus lossis lub voj voog tus nqi. Lub LED zoo li yuav tsum tsis tu ncua vim tias lub voj voog tus nqi feem ntau siab txaus rau tib neeg lub qhov muag tsis tuaj yeem paub qhov txawv ntawm kev hloov pauv thiab tawm.
Cov filament nyob rau hauv cov pa qhov muag teeb ci tas li, txawm nyob rau hauv lub ncua sij hawm ntawm flickers, uas piav qhia yog vim li cas lub flicker yog tsis pom rau tib neeg pom. Txawm li cas los xij, qhov no ua rau kom muaj nuj nqis tseem ceeb ntawm lub zog poob raws li cov cua sov, txo lub zog ua haujlwm ntawm cov qhov muag teev. Txawm li cas los xij, tsis zoo li cov teeb pom kev zoo, LEDs tsis xav tau filaments thiab tsis ua kom sov. LEDs muaj zog ntau dua vim lawv tawm lub teeb los ntawm semiconductors es tsis yog filaments. Yog hais tias muaj teeb meem nrog lub hwj chim mov los yog tsav tsheb, LED lub on-off switching tej zaum yuav tshwm sim, txawm li cas los nyob rau hauv cov xwm txheej, qhov kev hloov tshwm sim sai heev rau tib neeg lub qhov muag pom.
Cov tswv yim AC lub voj voog qhib / tawm tuaj yeem cuam tshuam, uas yuav ua rau muaj kev hloov pauv lossis flickering hauv LED tso zis teeb. Txhawm rau lav tias LED ua haujlwm yam tsis muaj flicker thiab khov kho, AC lub zog hluav taws xob ua haujlwm ntawm / tawm yuav tsum tsis tu ncua. LED tuaj yeem flicker lossis sib txawv yog tias lub voj voog tawg, uas tuaj yeem pom tseeb thiab cuam tshuam. Tsis tas li ntawd, lub teeb tso zis LED tuaj yeem hloov pauv lossis flicker yog tias lub zog siv hluav taws xob tsawg dua 50 Hz. Lub zog mov zaus hauv qee lub tebchaws yog 60 Hz, uas, yog tias nws hloov pauv, kuj tseem tuaj yeem tsim flickering. Piv txwv li, flicker yuav pom los ntawm tib neeg lub qhov muag ntawm zaus hauv qab 50 Hz.
Feem ntau, lub zog hluav taws xob uas siv lub teeb ci LED yog los liam rau flickering es tsis yog lub teeb ci LED. Niaj hnub nimno LED teeb tsa lub zog LED siv tus tsav tsheb uas hloov AC lub zog rau hauv DC lub zog tsis yog lub ntsiab AC. Feem ntau, tus neeg tsav tsheb txo lub zog lub ntsiab kom qis dua DC voltage uas haum rau LED. Qhov no txo qis qhov muaj peev xwm ntawm flickering lossis lwm yam teeb meem los ntawm kev ua kom lub LED tau txais lub zog zoo ib yam thiab ntseeg tau.
Tus tsav tsheb tam sim no yuav tswj tau qhov tam sim no tsis tu ncua hauv koj lub voj voog LED los ntawm kev hloov qhov hluav taws xob, yog li txo qis flickering. Txawm li cas los xij, nws yuav tsis ua haujlwm yog tias koj lub teeb LED tsis sib xws nrog tus tsav tsheb. Txheeb xyuas seb koj tus tsav tsheb LED puas ua haujlwm zoo lossis yog tias nws sib haum nrog LED. Hauv ntau qhov xwm txheej, cov teeb meem ntawm kev siv hluav taws xob yuav raug liam.
Siv HF (High Frequency) Tsav Tsheb
Cov neeg tsim khoom tam sim no tsim cov dimmers siab dua uas siv cov voj voog ntau zaus los txo qhov teeb meem ntawm flickering hauv LED teeb thaum lawv dim. Txawm tias thaum lub teeb LED txo qis, ua kom qhov zaus ua rau flickering tsis tshua pom rau tib neeg lub qhov muag.
Lub sij hawm ntawm LED teeb rau / tawm lub voj voog yuav raug txo qis los ntawm kev txhim kho cov tsav tsheb siab (HF). Qhov no ua rau muaj qhov txo qis ntawm flickering, uas ua rau lub teeb pom kev ruaj khov thiab txhim khu kev qha.
Siv tus tsav tsheb tam sim no tsis tu ncua.
Ib txoj hauv kev zoo los txo cov teeb pom kev zoo yog los ntawm kev siv cov tsav tsheb tam sim no. Lub LED tau muab cov khoom siv hluav taws xob zoo sib xws nrog qhov cuam tshuam tsawg kawg nkaus ua tsaug rau cov tsav tsheb no, uas tswj cov hluav taws xob kom tsim tau ib qho chaw ruaj khov thiab tsis muaj kev cuam tshuam. Los ntawm kev txo qis qhov cuam tshuam ntawm AC rau DC hloov dua siab tshiab, qhov flickering yuav txo qis heev.
Hloov lub capacitor phem
Lub capacitor tsis zoo yuav hloov qhov "sib npaug series tsis kam" (ESR) ntawm koj cov LEDs thaum lawv txuas rau lub capacitor uas tswj cov tam sim no ntws mus rau hauv qhov muag teev. Lub zog poob, kev tsim hluav taws xob, kev tsis ruaj khov, thiab kev ua haujlwm tsis zoo yuav tshwm sim los ntawm qhov no. Lub "so oscillator" nyob rau hauv lub capacitor, uas yuav ua rau nws hloov pauv ntawm lub xeev nyob rau hauv thiab tawm, yog lwm yam uas ua rau flickering nyob rau hauv LED teeb. Thaum lub teeb raug kaw, qhov no ua rau nanosecond-ntev illuminations, uas yuav ua rau lub teeb LED flicker.
Flickering hauv LED teeb feem ntau tshwm sim los ntawm lub capacitor uas tsis ua haujlwm zoo. Lub zog poob tuaj yeem ua rau muaj cua sov los ntawm kev hloov pauv ntawm lub capacitor ESR, uas tuaj yeem ntxiv rau qhov tsis ruaj khov thiab tsis muaj peev xwm ntawm LED teeb. Tsis tas li ntawd, lub capacitor lub so oscillator yuav ua rau lub voj voog nrawm nrawm uas ua rau lub teeb ci LED flicker.
B. Siv lub dimmer uas ua haujlwm nrog LEDs
Tus yuam sij rau kev tiv thaiv LED teeb los ntawm flickering yog siv lub dimmer uas sib xws nrog LEDs. Ib hom dimmer hloov nrog cov yam ntxwv tshwj xeeb uas ua haujlwm nrog lub zog qis yog xav tau rau cov teeb ci LED. Txoj hauv kev los tiv thaiv flickering nyob rau hauv LED teeb yog kom tsis txhob siv cov pa dimmer keyboards, uas tsis yog tsim los ua hauj lwm nrog LED teeb thiab tej zaum yuav tsim flickering los yog lwm yam teeb meem. Ib hom dimmer hloov nrog cov yam ntxwv tshwj xeeb uas ua haujlwm nrog lub zog qis yog xav tau rau cov teeb ci LED.
Dimmer keyboards uas sib xws nrog LEDs yog tsim los ua haujlwm nrog lawv cov wattage tsawg thiab hluav taws xob. Lawv muab flicker- thiab lwm yam teeb meem-dawb, du, thiab tsis tu ncua kev paub dhau los. Koj tuaj yeem tiv thaiv ntau yam teeb meem uas yuav tshwm sim nrog flickering hauv LED teeb los ntawm kev ua kom paub tseeb tias lub dimmer hloov koj xaiv yog sib xws nrog LEDs.
Nws yog ib qho tseem ceeb uas yuav tau xaiv qhov zoo dimmer hloov rau koj lub teeb LED thiab kom paub tseeb tias nws ua haujlwm nrog cov LED tshwj xeeb uas koj siv. Tham nrog tus kws tshaj lij hluav taws xob lossis tus kws tshaj lij teeb pom kev zoo, piv txwv li, yog tias koj tseem tsis paub meej txog qhov twg dimmer hloov mus siv lossis yog tias koj lub teeb LED tsim nyog.
C. Tshawb xyuas kev sib txuas thiab Tighten nws
Ib txoj hauv kev yooj yim thiab ua tau zoo los nres LED teeb ntawm flickering yog los xyuas thiab ceev cov kev sib txuas. Cov teeb meem hluav taws xob tshwm sim los ntawm kev sib txuas xoob xws li LED teeb flashing. Kev sib txuas ntawm cov xov hlau thiab cov terminals tuaj yeem xoob vim kev co los ntawm lub teeb lossis tsuas yog hnav thiab tsim kua muag.
Txhawm rau tshuaj xyuas cov kev sib txuas, thawj zaug hloov lub hwj chim mus rau lub teeb LED. Tom qab ntawd, ua tib zoo xyuas cov xaim thiab cov terminals kom paub tseeb tias txhua yam txuas thiab fastened. Siv lub hau ntswj los yog pliers ua tib zoo tshem tawm cov xov hlau lossis cov terminals uas zoo li xoob.
Thaum cuam tshuam nrog kev sib txuas hluav taws xob, nws yog ib qho tseem ceeb uas yuav tsum tau ceev faj thiab ua raws li txhua qhov kev tiv thaiv kev nyab xeeb. Tham nrog tus kws tshaj lij hluav taws xob tsim nyog yog tias koj muaj lus nug txog yuav ua li cas thiaj li kuaj xyuas kom zoo thiab ua tau zoo los yog nruj cov kev sib txuas hauv koj lub teeb LED. Cov kev sib txuas yuav tsum tau kawm tsis tu ncua thiab kos kom tsis txhob muaj ntau yam teeb meem hluav taws xob, xws li LED teeb flickering.
D. Hloov tawm cov LEDs tsis zoo nrog cov LEDs zoo.
Lwm txoj hauv kev kom tsis txhob flickering yog los pauv cov LEDs tsis zoo hauv koj lub teeb LED tam sim no nrog cov LEDs zoo dua. Flickering tej zaum yuav muaj ntau dua nrog cov LEDs tsis zoo, tshwj xeeb tshaj yog tias lawv siv cov khoom siv subpar los yog muaj cov khoom siv qis dua.
Cov ntaub ntawv zoo dua thiab cov khoom siv tau siv hauv kev tsim cov LEDs zoo, ua rau muaj kev ntseeg siab thiab ruaj khov. Txawm tias thaum siv nrog lub dimmer hloov lossis nyob rau hauv qhov xwm txheej uas muaj qhov hloov pauv, lawv tsis tshua muaj flicker. Hauv kev sib piv rau cov LEDs tsis zoo, lawv kuj tseem muaj sia nyob ntev dua thiab ua tau zoo dua.
Nws yog ib qho tseem ceeb kom coj lub lumen tso zis, xim kub, thiab CRI (xim rendering Performance index) rau hauv tus account thaum xaiv cov LEDs zoo. Tsis tas li ntawd, nws yog ib qho tseem ceeb kom paub meej tias cov LEDs thiab lub transformer los yog tsav tsheb uas powers lawv sib xws.
High-quality LEDs yuav ua rau kom muaj kev ua tau zoo thiab muab lub teeb pom kev zoo, zoo ib yam, thiab tsis muaj flicker thaum koj hloov koj lub teeb LED tam sim no nrog lawv.
E. Hais txog qhov teeb meem hluav taws xob thiab hluav taws xob
Txhawm rau tiv thaiv LED teeb los ntawm flickering, kev txhawj xeeb txog qhov hluav taws xob thiab lub zog hluav taws xob yuav tsum tau hais. Yog tias qhov hluav taws xob lossis qhov tam sim no dhau ntawm LED teeb cov qauv, qhov hluav taws xob thiab lub zog hluav taws xob tuaj yeem ua rau lawv flicker lossis hlawv tawm.
Siv lub zog stabilizer lossis surge protector yog ib txoj hauv kev los nres qhov hluav taws xob thiab lub zog hluav taws xob. Cov khoom siv no tiv thaiv LED teeb los ntawm kev hloov hluav taws xob hloov pauv, spikes, thiab surges. Lawv tuaj yeem tswj tau qhov voltage thiab nres cov kev hloov pauv uas yuav ua rau flickering lossis lwm yam teeb meem.
Txhim kho qhov hluav taws xob tsis tu ncua lossis tam sim no LED tsav tsheb, uas tuaj yeem tswj tau qhov voltage thiab tam sim no xa mus rau LED teeb, yog lwm txoj kev xaiv. Qhov no yuav muab lub zog ruaj khov thiab ruaj khov, txo qhov muaj peev xwm ntawm flickering lossis lwm yam teeb meem hluav taws xob.
Nws yog ib qho tseem ceeb kom paub meej tias qhov hluav taws xob thiab qhov tam sim no muab rau LED teeb ua raws li cov chaw tsim khoom cov lus qhia. Ib qho kev tawm mus los ntawm ntau qhov kev qhia yuav ua rau flickering lossis lwm yam teeb meem. Tham nrog tus kws tshaj lij hluav taws xob lossis tus kws pab tswv yim teeb pom kev zoo yog tias koj muaj lus nug txog qhov hluav taws xob lossis qhov tam sim no xa mus rau koj lub teeb LED kom paub tseeb tias lawv nyob hauv qhov kev lees paub.
