LED Lamp Beads Feem ntau siv txoj kev sib txuas

Daim ntawv teeb tsa ntawm LED hauv daim ntawv thov yog nyob ntawm ntau yam, suav nrog LED tsis muaj thiab ntau, input voltage, efficiency, kub dissipation tswj, loj thiab layout txwv thiab optics, thiab lwm yam. Daim ntawv teeb tsa yooj yim tshaj plaws yog ib qho LED. Vim tias cov dav hlau feem ntau xav tau rau lub sijhawm thov tiag tiag, ntau lub LEDs yuav tsum tau teem caij thiab ua ke raws li qhov xav tau kom ua tau raws li qhov xav tau ntawm daim ntawv thov loj, qhov ci ci dua, cov zaub dynamic, kev hloov xim, thiab cov kev xav tau ntawm LED thiab kev txhawb nqa tsav tsheb. I. Tus nrhiav 1. Cov ntaub ntawv yooj yim series feem ntau txuas nrog hauv LED1 LEDN nyob rau hauv daim ntawv ntawm cov ntaub ntawv sib txuas yooj yim, thiab tam sim no ntws thaum LED sib npaug. Rau LEDs nrog tib cov specifications thiab batch, txawm hais tias qhov voltage ntawm ib qho LED yuav muaj qhov sib txawv me me, vim hais tias LED yog ib qho khoom siv tam sim no, nws tuaj yeem ua kom ntseeg tau tias lawv cov luminous siv zoo ib yam. Yog li ntawd, qhov yooj yim series ntawm LEDs muaj cov yam ntxwv ntawm kev yooj yim circuits thiab yooj yim kev sib txuas thiab lwm yam ntxwv. (Qhov tsis zoo: Vim yog siv cov koob, thaum ib qho ntawm LED tsis ua haujlwm, tag nrho LED teeb yuav raug tua, uas yuav cuam tshuam rau kev ntseeg tau ntawm kev siv. ) 2. Cov ntaub ntawv series ntawm ob-pole diode nrog kev sib xyaw ntawm Qina diode txuas nrog kev txhim kho kev sib txuas ntawm Qina diode nyob rau hauv parallel. Hauv txoj kev sib txuas no, qhov tawg ntawm txhua Zina diode yog siab dua qhov ua haujlwm voltage ntawm LED. Thaum ua haujlwm ib txwm, vim tias Qina diode VD1 VDN tsis tsav, tam sim no feem ntau ntws los ntawm LED1 LEDN. Thaum cov LED puas nyob rau hauv txoj hlua LED yog tshwm sim Ntxiv nrog rau cov LED, lwm cov LEDs tseem muaj cov dej ntws hla thiab ci ntsa iab. WeChat pej xeem account: Shenzhen LED Chamber of Commerce (txoj kev sib txuas thiab daim ntawv yooj yim no tau txhim kho kev ntseeg tau zoo heev ntawm kev ntseeg tau. ) Thib ob, tag nrho daim ntawv sib luag 1. Daim ntawv yooj yim thaum uas tig mus, yooj yim thiab txuas LED1 LEDN taub hau Tail thaum uas tig mus, txhua LED yog sib npaug rau tib qhov voltage, sib npaug voltage. Nws tuaj yeem pom los ntawm cov yam ntxwv ntawm LED. Nws belongs rau lub cuab yeej tam sim no, thiab qhov hloov me ntsis ntawm qhov hluav taws xob ntxiv rau LED yuav ua rau muaj kev hloov pauv loj hauv qhov tam sim no. Tsis tas li ntawd, vim muaj kev txwv ntawm kev tsim khoom siv thev naus laus zis, txawm tias tib lub teeb ntawm LEDs, muaj qhov sib txawv ntawm kev ua haujlwm. Yog li ntawd, thaum LED1 LEDN ua haujlwm, qhov tam sim no ntws los ntawm txhua qhov LED tsis sib npaug. Nws tuaj yeem pom tias qhov tsis sib xws ntawm txhua qhov LED tam sim no yuav ua rau lub neej ntawm LED tam sim no loj heev, thiab txawm tias hlawv tawm. (Qhov tsis zoo: Txawm hais tias txoj kev sib txuas no yog qhov yooj yim, tab sis qhov kev ntseeg siab tsis yog siab, tshwj xeeb tshaj yog rau cov ntawv thov nyob rau hauv rooj plaub ntawm ntau cov LEDs. ) 2. Daim ntawv sib luag ntawm kev ywj pheej sib piv yog tsom rau kev ntseeg tau ntawm kev yooj yim parallelism. Kev ywj pheej sib piv daim ntawv sib luag yog txoj hauv kev zoo. Txhua LED nyob rau hauv no txoj kev muaj ib tug tam sim no adjustable (tsav Voutput davhlau ya nyob twg yog L1 Ln) los xyuas kom meej tias tam sim no ntws los ntawm txhua LED nyob rau hauv qhov ntau ntawm nws cov kev xav tau, nrog rau kev tsav tsheb zoo, ib qho kev tiv thaiv ib leeg LED ua tiav, tsis txhob cuam tshuam lwm LED. ua hauj lwm thaum faults, thiab tuaj yeem phim cov yam ntxwv ntawm LEDs nrog qhov sib txawv loj. (Qhov tsis zoo: Cov khoom sib xyaw ntawm tag nrho cov tsav tsheb Circuit Court yog qhov nyuaj, tus nqi ntawm cov cuab yeej yog siab, lub ntim ntim ntau dhau, nws tsis haum rau ntau lub LED circuits. ) Thib peb, kev sib xyaw ua ke ntawm kev sib xyaw ua ke yog npaj los ntawm kev sib xyaw ua ke ntawm cov txiaj ntsig zoo ntawm cov ntawv sib txuas thiab cov ntawv sib txuas. Cov ntaub ntawv tseem ceeb yog ob qho hauv qab no. 1. Thaum cov ntaub ntawv sib xyaw ua ke yog thawj zaug, thaum muaj cov ntawv thov LED loj, cov kev sib txuas yooj yim lossis kev sib txuas yog qhov tsis muaj tseeb, vim tias yav dhau los xav kom tus neeg tsav tsheb tso tawm qhov hluav taws xob siab (N zaus ntawm ib qho LED voltage VF), thiab tom kawg. xav kom tus neeg tsav tsheb xav kom tus neeg tsav tsheb tso tawm qhov tam sim no loj (N zaus ntawm ib qho LED tam sim no yog tias). Qhov no ua rau muaj teeb meem rau kev tsim thiab tsim cov neeg tsav tsheb, thiab tseem cuam tshuam txog cov teeb meem ntawm cov txheej txheem thiab kev ua haujlwm tag nrho ntawm cov tsav tsheb. Qhov voltage ntawm tus naj npawb ntawm LEDs nyob rau hauv series thiab ua hauj lwm voltage ntawm ib tug tib LED VF txiav txim siab qhov tso zis voltage ntawm lub tsav tsheb; Tus nqi txiav txim siab lub zog tso zis ntawm tus tsav tsheb. Yog li ntawd, txoj kev sib tov tom qab sib tov yog tsuas yog los xyuas kom meej tias muaj qee qhov kev ntseeg tau (qhov teeb meem LED hauv txhua txoj hlua tsuas yog cuam tshuam rau lub teeb ntawm txoj hlua), thiab qhov sib txuam ntawm cov tsav Circuit Court), Nws txhim kho kev ntseeg siab dua li cov ntaub ntawv yooj yim. . WeChat pej xeem account: Shenzhen LED Chamber of Commerce (tag nrho cov Circuit Court muaj cov yam ntxwv ntawm cov qauv yooj yim, yooj yim kev twb kev txuas, high efficiency, thiab lwm yam., haum rau daim ntaub ntawv nrog ib tug loj tus naj npawb ntawm LEDs. ) 2. Ob peb ntawm LEDs uas yog tov nrog ib txoj hlua ua ntej, thiab cov ntawv sib xyaw ua ke ntawm kev sib xyaw ua ke ua ntej txoj hlua. Txij li thaum LED1-N LEDM-N yog thawj zaug rau kev sib txuas, uas txhim kho kev ntseeg tau ntawm txhua pawg ntawm LEDs, tab sis qhov no yog qhov tseem ceeb. Vim li no, koj tuaj yeem xaiv qhov ua haujlwm voltage thiab tam sim no kom ntau li ntau tau raws li ib qho kev sib txuas ua ke los ntawm kev sib koom ua ke, lossis los daws qhov tam sim no me me ntawm txhua LED. (Lwm yam ntxwv ntawm daim ntawv sib xyaw ua ke no thiab cov teeb meem uas twb muaj lawm zoo ib yam. ) Plaub, cross array daim ntawv ntawm cross arrays yog tsuas yog los txhim kho kev ntseeg siab ntawm LED ua hauj lwm thiab txo qhov tsis ua hauj lwm tus nqi. Daim ntawv tseem ceeb ntawm cov muaj pes tsawg leeg yog: txhua series ntawm 3 LEDs ua ib pawg, thiab VA, VB, thiab VC tso zis terminals uas txuas nrog cov zis tawm ntawm lub tsav. Thaum 3 LEDs ntawm ib series yog ib txwm, 3 LEDs yog ci nyob rau tib lub sij hawm; ib zaug ib lossis ob lub LEDs tsis raug cai, nws tuaj yeem ua kom ntseeg tau tias tsawg kawg ib qho LED ua haujlwm ib txwm. Nyob rau hauv txoj kev no, nws tuaj yeem txhim kho kev ntseeg tau zoo ntawm txhua pab pawg ntawm LD lub teeb, thiab nws tuaj yeem txhim kho kev ntseeg tau ntawm tag nrho LED ci. Cov ntsiab lus: Cov ntawv sib txuas sib txawv muaj lawv tus kheej cov yam ntxwv sib txawv, thiab cov kev xav tau ntawm cov neeg tsav tsheb sib txawv, tshwj xeeb tshaj yog thaum ib qho LED tsis ua haujlwm tsis ua haujlwm, kev ntseeg tau ntawm lub teeb pom kev zoo, lub peev xwm los xyuas kom meej tag nrho LED ntau npaum li cas, muaj peev xwm mus ua hauj lwm kom ntau li ntau tau, muaj peev xwm mus ua hauj lwm, Nws yog ib qho tseem ceeb heev kom txo tau tag nrho cov LED tsis ua hauj lwm efficiency, thiab lwm yam. Tag nrho cov nyob rau hauv tag nrho, LED pab pawg neeg daim ntawv thov yog ib tug tseem ceeb txoj kev rau LED tiag tiag daim ntaub ntawv. Kev sib txuas ntawm LED sib txawv yog qhov tseem ceeb rau cov LED loj loj thiab tsim cov kev cai rau kev tsav tsheb. Yog li ntawd, nyob rau hauv kev sib xyaw ua ke ntawm cov khoom siv hluav taws xob tiag tiag, kev xaiv kom raug ntawm kev sib txuas ntawm LED txoj kev sib txuas yog qhov tseem ceeb rau kev txhim kho cov nyhuv ntawm nws cov luminous nyhuv, kev ntseeg siab ntawm kev ua hauj lwm, kev yooj yim ntawm tus tsav tsheb tsim thiab kev tsim, thiab kev ua haujlwm ntawm tag nrho Circuit Court.