LED Common Malfunctions thiab Solutions
LED teeb maj mam nyob hauv kev lag luam tam sim no ntawm lub teeb hluav taws xob vim lawv lub teeb ci siab, kev siv hluav taws xob tsawg thiab lub neej ntev. Feem ntau, LED teeb yog qhov nyuaj rau tawg. Nyob rau hauv LED teeb, muaj peb yam teeb meem: lub teeb tsis ci, lub teeb yog dimmed, thiab lub teeb ntsais muag tom qab tua. Hnub no peb yuav txheeb xyuas txhua qhov teeb meem ib los ntawm ib qho.
LED teeb qauv
LED teeb muaj ntau hom. Txawm li cas los xij ntawm lub teeb, cov qauv sab hauv yog tib yam, muab faib ua lub teeb hlaws thiab tus tsav tsheb.
Teeb hlaws
Qhib lub qhov rooj sab nraud ntawm lub teeb LED lossis cov yas dawb ntawm lub teeb. Koj tuaj yeem pom tias muaj lub rooj tsav xwm hauv Circuit Court uas muaj lub voj voos daj sab hauv. Cov khoom xim daj ntawm lub rooj tsavxwm no yog lub teeb hlaws. Lub teeb hlaws yog lub teeb ci ntawm LED teeb, thiab tus lej ntawm qhov no txiav txim siab qhov ci ntawm LED teeb.
Tus neeg tsav tsheb lossis lub zog hluav taws xob rau lub teeb ci LED yog ntsia rau hauv qab thiab tsis pom los ntawm sab nraud.
Tus neeg tsav tsheb muaj qhov tsis tu ncua tam sim no, kauj ruam-down, rectification, filtering thiab lwm yam haujlwm.
Txoj kev daws teeb meem thaum LED teeb tsis ci txaus.
Thaum lub teeb tawm, koj yuav tsum xub xyuas kom meej tias lub voj voog yog ok. Yog tias nws yog lub teeb tshiab, siv lub cwj mem hluav taws xob los ntsuas, lossis teeb tsa lub teeb ci kom pom tias muaj qhov hluav taws xob hauv Circuit Court. Tom qab paub meej tias lub voj voog yog ok, koj tuaj yeem pib qhov kev daws teeb meem hauv qab no.
Teeb meem tsav tsheb lossis fais fab mov
Lub teeb tsis ci, thiab qhov teeb meem tshwm sim los ntawm tus neeg tsav tsheb. Lub teeb-emitting diodes muaj kev xav tau siab ntawm tam sim no thiab voltage. Yog tias qhov tam sim no thiab qhov hluav taws xob loj dhau los yog me me, lawv tsis tuaj yeem ua rau lub teeb. Yog li ntawd, cov tsav tsheb tas mus li tam sim no, rectifiers, thiab bucks hauv tus tsav tsheb yuav tsum tau tswj xyuas lawv cov kev siv.
Yog tias lub teeb tsis ci tom qab tig lub teeb, peb yuav tsum xub xav txog qhov teeb meem ntawm tus neeg tsav tsheb lossis lub hwj huam mov. Yog tias nws raug kuaj xyuas tias nws yog ib qho teeb meem ntawm lub zog, koj tuaj yeem hloov lub zog tshiab.
Kev daws teeb meem rau LED teeb ci tsaus nti
Qhov teeb meem no yuav tsum tau daws ua ke nrog cov lus nug dhau los. Qhov no tej zaum yuav yog rooj plaub yog tias qhov ci ntawm lub teeb tsis dim lossis tsis ci.
Teeb hlaws teeb meem
Cov hlaws LED ntawm qee lub teeb LED txuas nrog hauv series. Cov hlaws dai ntawm txhua txoj hlua txuas nrog hauv series; thiab cov hlua txuas nrog rau qhov sib luag.
Yog li ntawd, yog hais tias lub teeb hlaws taws kub hnyiab ntawm txoj hlua no, nws yuav ua rau txoj hlua ntawm lub teeb tawm. Yog hais tias txhua txoj hlua muaj lub teeb hlaws tau hlawv, nws yuav ua rau tag nrho lub teeb tawm. Yog tias muaj cov hlaws kub hnyiab hauv txhua txoj hlua, xav txog qhov teeb meem capacitor lossis resistor ntawm tus tsav tsheb.
Cov hlaws taws kub hnyiab thiab lub teeb hlaws ib txwm tuaj yeem pom los ntawm qhov pom. Lub teeb ci ntsa iab muaj ib qho chaw dub nyob hauv nruab nrab, thiab qhov chaw tsis tuaj yeem muab tshem tawm.
Yog hais tias tus naj npawb ntawm cov hlaws hluav taws kub hnyiab me me, ob txhais taw tom qab lub teeb hlaws tuaj yeem raug soldered ua ke nrog cov hlau soldering. Yog hais tias tus naj npawb ntawm cov hlaws taws kub hnyiab ntau dhau, nws raug nquahu kom yuav lub teeb hlaws los hloov nws, kom tsis txhob cuam tshuam qhov ci ntawm lub teeb pom kev zoo.
Kev daws teeb meem rau blinking tom qab LED raug tua
Thaum koj pom qhov teeb meem ntawm flashing tshwm sim tom qab lub teeb raug kaw, paub meej tias cov teeb meem kab ua ntej. Qhov teeb meem feem ntau yuav yog xoom kab ntawm kev hloov pauv. Nyob rau hauv cov ntaub ntawv no, nws yog tsim nyog los kho nws nyob rau hauv lub sij hawm kom tsis txhob muaj kev phom sij. Txoj kev raug yog hloov cov kab tswj thiab kab nruab nrab.
Yog tias tsis muaj teeb meem nrog lub voj voog, nws muaj peev xwm hais tias lub teeb LED ua rau nws tus kheej inductive tam sim no. Qhov yooj yim tshaj plaws yog mus yuav ib lub 220V relay thiab txuas lub kauj rau lub teeb nyob rau hauv series.