Raws li daim ntawv thov ntawm LED cov ntxaij vab tshaus ua ntau dua thiab dav, cov hluav taws xob tsis zoo ntawm LED cov ntxaij vab tshaus tau nce nqi thiab kev txhawj xeeb los ntawm cov neeg siv khoom. Txhua tus paub tias LED cov ntxaij vab tshaus yog tsim los ntawm LED modules ib qho los ntawm ib qho, thiab sab nraub qaum ntawm lub vijtsam txuas nrogLED fais fab mov, thiab tom qab ntawd cov hlua hluav taws xob thiab cov kab teeb liab txuas nrog.
Yog li yuav ua li cas xam cov khoom siv hluav taws xob rau LED cov ntxaij vab tshaus?
LED zaub screen modules tau ua tiav thiab tsim los ntawm kev sib txuas cov ntaub ntawv raw xws li LED teeb hlaws, PCB Circuit Board, ICs, thiab cov khoom siv. Lub hauv paus ntsiab lus ua haujlwm ntawm LED zaub screen modules yog qhov tam sim no IC tsav lub teeb-emitting nti nyob rau hauv LED teeb hlaws dai kom pom xim.
Nyob rau hauv cov nqe lus ntawm cov xim, LED zaub screen modules muab faib ua peb hom: ib xim, ob-xim, thiab tag nrho xim. Nyob rau hauv cov nqe lus ntawm daim ntawv thov ntau, LED modules muab faib rau hauv tsev modules thiab sab nraum zoov modules.
Feem ntau hais lus, tam sim no ntawm tag nrho-xim LED modules yog loj, tam sim no ntawm ib-xim thiab ob-xim LED modules kuj me me, tam sim no ntawm sab nraum zoov LED modules loj, thiab tam sim no ntawm sab hauv LED modules kuj me me. Txawm li cas los xij, thaum lub Hoobkas tau debugging "dawb tshuav nyiaj li cas" ntawm LED module, kev ua hauj lwm tam sim no ntawm ib qho kev pom zoo ntawm LED zaub screen module feem ntau qis dua 10A.
Ua ntej, peb yuav tsum ntsuas qhov tam sim no ntawm ib qho LED module.
Peb tuaj yeem siv multimeter los txuas rau hauv Circuit Court los ntsuas qhov ntsuas tam sim no ntawm LED module. Hnub no, peb yuav coj P10-4S sab nraum zoov LED zaub module ua piv txwv los piav qhia yuav ua li cas ntsuas qhov ntsuas qhov ntsuas tam sim no ib kauj ruam.
Kauj Ruam 1, npaj cov khoom siv thiab cov khoom
Peb npaj ob peb P10-4S sab nraum zoov LED zaub modules, ib tug multimeter (tuaj yeem ntsuas DC tam sim no nyob rau hauv 10A), ob peb nyob ntawm tej, hluav taws xob daim kab xev, hlau strippers, LED zaub tswj daim ntawv, LED zaub fais fab mov.
Kauj ruam 2, txuas kom raug
Hauv qhov kev sim ntsuas no, peb siv lub multimeter ua DC ammeter. Qhov siab tshaj plaws ntawm multimeter los ntsuas DC tam sim no yog 10A. Peb txuas lub multimeter nyob rau hauv series mus rau lub Circuit Court ntawm LED module.
Cov kab ke tshwj xeeb yog:
1. Txuas AC 220V mus rau qhov kawg input ntawm LED fais fab mov (sib npaug rau lub luag hauj lwm ntawm transformer, transforming 220V AC rau 5V DC)
2. Txuas ib lub xaim los ntawm tus ncej zoo ntawm qhov tso zis kawg mus rau tus cwj mem liab liab (ncej zoo) ntawm multimeter
3. Txuas lub xov tooj liab rau hauv lub qhov liab "10A" ntawm lub multimeter
4. Txuas tus cwj mem dub rau cov xaim liab (nce zoo) ntawm lub zog qaum module
5. Txuas lub module fais fab qaum rau hauv lub module ib txwm
6. Txuas cov hlau dub (tsis zoo ncej) ntawm lub module fais fab qaum rov qab mus rau tus ncej tsis zoo ntawm cov zis kawg ntawm LED fais fab mov.
Kauj Ruam 3, ntsuas qhov kev nyeem ntawv
Peb tuaj yeem pom tias thaum lub qhov hluav taws xob tso hluav taws xob tau ntsaws rau hauv thiab tag nrho LED zaub tau teeb, tam sim no ntawm ib qho module tsis loj heev. Raws li cov ntsiab lus playback hloov, kev nyeem ntawv ntawm multimeter kuj fluctuates, yeej tswj ntawm 1-2A.
Peb nias lub pob xeem ntawm daim npav tswj kom hloov lub xeev lub vijtsam thiab tau txais cov ntaub ntawv sim hauv qab no:
a. Tam sim no yog qhov loj tshaj plaws thaum "tag nrho cov dawb", txog 5.8A
b. Tam sim no yog 3.3A hauv cov xeev liab thiab ntsuab
c. Tam sim no yog 2.0A hauv lub xeev xiav
d. Thaum hloov rov qab mus rau cov ntsiab lus zoo li qub, qhov tam sim no hloov pauv ntawm 1-2A.
Kauj ruam 4, xam
Tam sim no peb tuaj yeem xam ntau npaum li cas LED modules lub zog hluav taws xob LED tuaj yeem nqa tau raws li kev ntsuas saum toj no. Txoj kev suav tshwj xeeb yog: Txhua qhov hluav taws xob LED yog qhov tseem ceeb ntawm kev hloov pauv. Noj peb cov khoom siv 200W hloov pauv hluav taws xob ua piv txwv, cov chaw tsim khoom muab qhov ntsuas qhov ntsuas raws li "tso tawm 5V40A" thiab "kev hloov pauv tau zoo 88%".
Lub zog siv tau los ntawm LED hloov lub zog: P = 88% x 200W = 176W. Raws li cov qauv: P = UI, lub zog siab tshaj plaws ntawm ib qho LED module tuaj yeem tau txais: P1 = UI = 5V x 5.8A = 29W. Los ntawm qhov no, tus naj npawb ntawm cov modules uas ib leeg LED hloov fais fab mov tuaj yeem suav tau: n = P / P1 = 176W / 29W≈6.069
Raws li cov lus qhia saum toj no, peb paub tias thaum tus naj npawb ntawm LED modules nqa tsis pub tshaj 6, LED fais fab mov tsis dhau.
Qhov tam sim no peb suav yog qhov siab tshaj plaws tam sim no thaum LED module yog "tag nrho cov dawb", thiab qhov ua haujlwm tam sim no thaum lub sijhawm ua si ib txwm yog feem ntau tsuas yog 1/3-1/2 ntawm qhov siab tshaj plaws tam sim no. Yog li ntawd, tus naj npawb ntawm cov loads xam raws li qhov siab tshaj plaws tam sim no yog tus lej thauj khoom nyab xeeb. Tom qab ntawd muaj pes tsawg LED modules sib txuas ua ke los ua ib qho loj LED zaub screen, thiab muab faib los ntawm tus lej thauj khoom nyab xeeb no, peb tuaj yeem tau txais ntau npaum li cas cov khoom siv hluav taws xob LED siv hauv LED zaub screen.
Switching Power Supply Waterproof Power Supply Ultra-thin Power Supply
LED fais fab mov, yog tias koj txaus siab rau peb cov khoom, thov hu rau peb!
Post lub sij hawm: Lub Xya hli ntuj-20-2024