Vim li cas LED dej nyab teeb ua tsis tau sai?
LED dej nyab teebtau ua tiav cov lus thov dav dav hauv xyoo tas los no vim lawv lub zog ua haujlwm tau zoo, txuas ntxiv kev cog lus rau lub neej, thiab teeb pom kev zoo. Txawm li cas los xij, ntau tus neeg siv pom lawv tus kheej chim siab thaum cov teeb no ua tsis tiav sai dua li kev npaj. Ntau qhov ua rau ua rau tsis ua tiav ntxov ntawm LED dej nyab teeb, xws li kev tsim khoom ua txhaum rau ib puag ncig thiab kev siv tsis raug. Kev nkag siab txog cov yam no tuaj yeem pab cov neeg siv khoom txiav txim siab txog kev kawm thaum xaiv thiab tswj lawv lub teeb dej nyab LED.
Ib qho ntawm cov laj thawj tseem ceeb rau qhov ua tsis tiav ntxov ntawm LED dej nyab teeb yog qis dua cov khoom zoo. LEDs lawv tus kheej yog cov khoom siv semiconductor, thiab qhov zoo ntawm cov chips siv hauv cov teeb dej nyab sib txawv heev. Tsawg- cov chips LED zoo yuav muaj cov khoom siv hluav taws xob tsis zoo, lub teeb tawg tsis sib xws, lossis ua haujlwm tsis txaus. Thaum cov chips no raug ua haujlwm tas mus li, lawv tsim cov cua sov ntau dhau uas tsis tuaj yeem tawg tau zoo, ua rau muaj kev puas tsuaj rau lub sijhawm. Tsis tas li ntawd, kev ntim khoom ntawm LED chips yog qhov tseem ceeb. Cov khoom ntim khoom pheej yig yuav tsis tiv thaiv cov chips los ntawm ya raws, plua plav, lossis kev puas tsuaj rau lub cev, ua rau lawv ua tsis tiav.
Lwm qhov tseem ceeb tivthaiv uas cuam tshuam rau lub neej ntev ntawmLED dej nyab teebyog tus tsav tsheb circuit. Tus tsav tsheb hloov pauv tam sim no (AC) mus rau tam sim no ncaj qha (DC) thiab kho qhov voltage thiab tam sim no muab rau LEDs. Kev tsim kho tsis zoo lossis qis- cov tsav tsheb zoo yog qhov ua rau muaj cua sov dhau, qhov hluav taws xob nce siab, thiab qhov hloov pauv tam sim no. Cov kev tsis zoo no tuaj yeem rhuav tshem cov LEDs los ntawm kev muab lawv rau cov hluav taws xob hnyav. Piv txwv li, tus tsav tsheb uas tsis tswj xyuas tam sim no kom tsim nyog yuav xa ntau dhau los ntawm LEDs, ua rau lawv hlawv. Ntxiv mus, cov neeg tsav tsheb uas muaj kev tiv thaiv tsis muaj zog, xws li tshaj -voltage lossis tshaj- kev tiv thaiv tam sim no, feem ntau yuav ua tsis tau raws li qhov muaj hluav taws xob muaj zog, coj tag nrho lub teeb dej nyab nrog lawv.
Kev tswj cov cua sov yog lub luag haujlwm tseem ceeb hauv lub neej ntawm LED dej nyab teeb, thiab kev tswj xyuas thermal tsis txaus yog qhov ua rau ua tsis tiav ntxov. LEDs tsim cov cua sov thaum lub sijhawm ua haujlwm, thiab yog tias qhov cua sov no tsis tawg kom zoo, nws tuaj yeem sau thiab ua mob rau cov chips LED thiab lwm yam khoom. Ntau tus nqi qis - LED dej nyab lub teeb tsis muaj cov dab dej kub uas tsim nyog lossis siv cov dab dej kub ua los ntawm cov khoom tsis zoo - cov khoom tsis zoo thermal conductivity. Kev tsim ntawm lub dab dej kub kuj tseem ceeb heev; lub dab dej uas tsim los tsis zoo yuav tsis muaj qhov chaw txaus kom tawg cua sov kom zoo, los yog nws yuav raug muab tso rau hauv txoj kev uas inhibits airflow. Nyob rau tib lub sijhawm, cov hluav taws xob tsim hluav taws xob tuaj yeem ua rau cov chips LED tsis zoo, ua rau muaj qhov ci ntsa iab thiab qhov kawg tsis ua haujlwm.
Cov xwm txheej ib puag ncig kuj ua rau muaj txiaj ntsig tseem ceeb hauv kev ua tsis tiav ntawm LED dej nyab teeb. Cov teeb no feem ntau siv sab nraum zoov, qhov chaw uas lawv raug kub hnyiab, dampness, plua plav, thiab khib nyiab. Kev kub siab tuaj yeem ua rau txo qis ntawm LED chips thiab lwm yam khoom siv, thaum qhov kub tsis tshua muaj peev xwm ua rau cov dej noo hauv lub teeb pom kev zoo, ua rau corrosion thiab luv Circuit Court. Cov dej noo tshwj xeeb yog qhov txaus ntshai, vim tias nws tuaj yeem nkag mus rau hauv cov khoom siv thiab ua rau cov khoom siv hluav taws xob puas. Cov plua plav thiab cov khib nyiab tuaj yeem sau rau ntawm LED chips thiab cov dab dej kub, txo lawv lub peev xwm kom tsis txhob muaj cua sov thiab cuam tshuam cov teeb pom kev zoo. Nyob rau hauv cov chaw uas muaj av noo los yog nag tsis tu ncua, LED dej nyab teeb tsis muaj kev sib khi txaus los yog tsis muaj dej tsis zoo yog qhov tshwj xeeb tshaj yog ua rau tsis ua haujlwm.
Kev txhim kho tsis raug thiab kev siv kuj tuaj yeem ua rau qhov tsis ua tiav thaum ntxovLED dej nyab teeb. Kev txhim kho lub teeb nyob rau hauv txoj hauj lwm uas tsis muaj qhov cua txaus yuav cuam tshuam cov cua ntws, uas ua rau kom muaj cua sov ntau dua. Mounting lub teeb ze rau lwm yam, xws li cov tsev lossis ntoo, tuaj yeem cuam tshuam cov cua sov dissipation thiab ua rau overheating. Kev siv yam tsis tsim nyog ntawm LED dej nyab lub teeb rau daim ntawv thov kuj yog ib qho teeb meem. Piv txwv li, siv lub teeb nrog lub wattage qis dua li qhov xav tau yuav ua rau overloading, vim tias lub teeb raug yuam kom ua hauj lwm ntau dua los tsim kom muaj qhov ci ntsa iab. Tsis tas li ntawd, rov qhib / tawm lub voj voog yuav ua rau muaj kev ntxhov siab ntawm LED chips thiab tsav tsheb, ua rau lawv lub neej luv.
Kev hloov pauv hluav taws xob thiab lub zog hluav taws xob yog lwm qhov laj thawj ntawm LED dej nyab lub teeb tsis ua haujlwm. Cov hluav taws xob hluav taws xob muaj qhov tsis zoo rau kev hloov pauv ntawm qhov hluav taws xob, thiab lub zog hluav taws xob tuaj yeem tshwm sim vim yog xob laim, teeb meem hauv tuam txhab hluav taws xob, lossis kev ua haujlwm ntawm cov khoom siv hnyav. LED dej nyab teeb yog rhiab heev rau cov oscillations, thiab nquag raug rau high voltage yuav ua rau cov neeg tsav tsheb circuits thiab LED chips. Yog tsis muaj kev tiv thaiv surge zoo, lub teeb raug cuam tshuam rau cov hluav taws xob cuam tshuam, uas tuaj yeem ua rau tsis ua hauj lwm sai lossis ua tsis zoo rau lub sijhawm.
Qhov zoo ntawm cov txheej txheem ntau lawm kuj yog ib qho tseem ceeb nyob rau hauv lub neej ntev ntawm LED dej nyab teeb. Txoj kev tsim khoom tsis zoo tuaj yeem ua rau muaj qhov tsis zoo xws li kev sib txuas tsis muaj zog, tsis raug soldering, lossis qhov chaw tsis sib xws. Cov kev ua txhaum no tuaj yeem ua rau hluav taws xob tiv thaiv, kev kub ntxhov, thiab ua tsis tiav. Hauv qee qhov tsis tshua muaj, cov tuam txhab tsim khoom yuav ua rau cov fab kom txo tau cov nqi, siv cov khoom siv tsis zoo lossis tsis muaj kev kuaj xyuas zoo. Qhov no tuaj yeem ua rau muaj kev pheej hmoo ntau dua ntawm kev ua tsis tiav ntxov ntawm lawv cov khoom.
Thaum kawg, tsis muaj kev saib xyuas yuav ua rau tsis ua haujlwm ntawmLED dej nyab teeb.Thaum lub teeb LED xav tau kev saib xyuas tsawg dua li cov teeb pom kev zoo lossis cov teeb fluorescent, lawv tseem tau txais txiaj ntsig los ntawm kev tu thiab tshuaj xyuas tas li. Cov plua plav thiab av yuav tsum tau muab ntxuav los ntawm lub teeb pom kev zoo thiab cov dab dej kub kom tau txais txiaj ntsig zoo thaum tshav kub kub dissipation. Nws yog qhov ua tau kom pom cov teeb meem muaj peev xwm ua ntej lawv ua rau tsis ua hauj lwm los ntawm kev kuaj xyuas cov ntsuas kev puas tsuaj, xws li pob txha hauv vaj tse lossis kev sib txuas xoob. Nrhiav cov tsos mob no tuaj yeem pab tau. Thaum nws los txog rau cov ntawv thov uas tshwm sim sab nraud, nws yog ib qho tseem ceeb uas yuav tsum tau ua niaj hnub tshuaj xyuas cov khoom siv dej tsis zoo thiab cov khoom sib khi kom ntseeg tau tias cov dej noo tsis nkag mus rau qhov khoom siv.
Hauv kev xaus, qhov ua tsis tiav ntxov ntawm LED dej nyab teeb yog ib qho teeb meem nyuaj uas yuav raug sau rau ntau qhov sib txawv. Cov khoom siv tsis zoo, kev tswj tsis tau zoo, kev tswj xyuas tsis zoo, qhov chaw nyob ib puag ncig, kev teeb tsa tsis tsim nyog thiab kev siv, kev hloov pauv hluav taws xob, kev tsim khoom tsis raug, thiab tsis muaj kev saib xyuas yog txhua yam uas ua rau txo qis ntawm lub neej ntawm cov teeb no. Los ntawm kev paub txog cov yam ntxwv no, cov neeg siv yuav muaj peev xwm ua qhov tsim nyog ntsuas los xaiv LED dej nyab teeb ntawm qhov zoo tshaj plaws, xyuas kom lawv raug teeb tsa kom raug, tiv thaiv lawv los ntawm ib puag ncig thiab hluav taws xob txaus ntshai, thiab ua haujlwm tu lawv niaj hnub. Qhov no yuav pab kom ntseeg tau tias lawv cov LED dej nyab teeb muab lub teeb pom kev zoo uas muaj kev ntseeg siab thiab kav ntev rau lub sijhawm ntev.
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