LED teeb chips noo noo- pov thawj ntsuas
Txij lub Peb Hlis Ntuj mus txog Lub Xya Hli txhua xyoo, los nag yog ib qho chaw mus xyuas cov nroog yav qab teb. Nrog rau cov nag, cov av noo nyob rau hauv huab cua nce ib hnub twg, uas cuam tshuam rau kev cia khoom ntawm LED teeb nti khoom. Raws li kev txo qis lossis zam cov khoom tsis tsim nyog puas tsuaj los ntawm ib puag ncig rau LED teeb nti khoom, nws raug nquahu kom cov neeg siv khoom ua kom cov dej noo- pov thawj tiv thaiv rau LED teeb nti cov khoom kom txo qis kev poob phem thiab zais kev phom sij ntawm LED cov khoom.
Yog vim li cas vim li cas LED teeb chips muaj kev cuam tshuam rau cov dej noo yog tias lawv tau ua los ntawm cov ntaub ntawv uas yooj yim nqus dej. Thaum nws raug huab cua ntev ntev, dej vapor thiab me me ntawm cov dej noo hauv huab cua yuav raug coj mus rau hauv cov khoom siv LED pob. Thaum lub sij hawm reflow soldering, vim yog noo noo Lub chav nthuav dav sai, thiab lub encapsulation colloid tsim kev ntxhov siab sab hauv, uas ua rau cov hlau sib txuas (kub hlau). Thaum qhov kev ntxhov siab ntau dua li lub zog tensile ntawm cov hlau sib txuas, cov hlua khi hlua khi tau txiav tawm tam sim ntawd, ua rau muaj kev puas tsuaj rau lub voj voog sab hauv ntawm lub teeb nti, ua rau lub teeb tuag. .
Kuj tseem muaj teeb meem ntawm kev ya raws ntawm kev siv sab nraum zoov, tshwj xeeb tshaj yog thaum lub caij los nag, yog tias lub teeb tsis siv lub sijhawm ntev, qhov kub thiab txias hauv lub teeb thiab lub teeb nti yuav qis, thiab cov dej noo sab nraud yuav dhau los ntawm lub teeb. potting kua nplaum, los yog qhov sib txawv yuav nkag mus rau lub teeb ko taw, los ntawm Lub teeb taw taw nkag mus rau hauv lub teeb nti, thiab cov dej vapor coj cov kab lus mus rau hauv lub teeb nti. Thaum lub sij hawm lub teeb nti yog energized, nyob rau hauv qhov kev txiav txim ntawm hluav taws xob teb, cov tshuaj tiv thaiv dej electrolytic tshwm sim ntawm nti electrode, ua rau ion tsiv teb tsaws, uas ua rau cov nti electrode yuav maj mam corroded. Thawj qhov kev ua tau zoo yog xau, qhov ci ntsa iab yuav qis, flicker tshwm nyob rau hauv nruab nrab theem, thiab qhib Circuit Court tshwm nyob rau theem lig, thiab tsis muaj xim. Yog tias koj siv nws nquag, sab hauv ntawm LED teeb chips yuav tsim qhov kub thiab txias, thiab nws yuav cia li tso cov dej noo, kom nws qhuav, thiab cov chips teeb yuav nyob twj ywm rau lub sijhawm ntev. Kuv yuav ua li cas yog tias kuv tsis siv nws ntev?
Thov txo qhov tam sim no los ntawm tus maub los ua ntej, khaws cia hauv 5mA, teeb lub micro-tam sim no rau 7 hnub sib law liag, thiab tom qab ntawd maj mam nce qhov tam sim no.
Txhawm rau txhim kho txhua tus neeg nkag siab txog cov yam ntxwv ntawm LED teeb chips, nws yog qhov yooj yim rau cov neeg siv khoom kom paub txog lawv cov yam ntxwv thaum siv, thiab txo qis lossis zam cov khoom tsis tsim nyog los ntawm tib neeg / ib puag ncig. Qhia tshwj xeeb ntawm no.
1. LED SMD ntim
LED teeb nti cov khoom tau ntim rau hauv cov dej noo- pov thawj thiab tiv thaiv - zoo li qub aluminium ntawv ci hnab. Thaum tuav, tsis txhob nyem thiab tho lub hnab ntim khoom kom ua rau cov pa tawm hauv cov dej noo- cov hnab pov thawj.
2. Kev khaws cia ntawm cov roj teeb uas tsis tau qhib
Sim tsis txhob khaws cov roj teeb uas tsis tau qhib rau lub sijhawm ntev, vim tias qhov chaw cia khoom tsis yooj yim los tswj. Qhov chaw cia khoom pom zoo yog xaiv cov dej noo-cov ntaub ntawv pov thawj, qhov ntsuas kub tsawg dua lossis sib npaug li 30 degrees, thiab cov av noo qis dua 60 feem pua. Hauv qhov no, RGB cov khoom tuaj yeem khaws cia rau 30 hnub, thiab cov khoom siv lub teeb dawb tuaj yeem khaws cia rau 60 hnub, thiab lawv tuaj yeem siv tau nyob rau lub sijhawm no. Txawm hais tias lub sijhawm khaws cia tau tas sijhawm, nco ntsoov ua thawj zaug - daim ntawv xeem ua ntej tsim khoom.
Yog tias LED teeb nti tsis tau siv rau 6 lub hlis, nws raug nquahu kom ntxiv qhov cub ci thiab dehumidification ua ntej siv dua (pom zoo dehumidification tej yam kev mob yuav tsum tau kho raws li cov khoom)
3. Kev ceev faj tom qab tshem tawm
Vim muaj qhov sib txawv ntawm qhov chaw cia khoom ntawm ntau lub tsev khaws khoom, nws tsis pom zoo kom ua kom muaj ntau qhov chaw khaws cia. Thov kom raug xam qhov kev thov rau cov kab ntau lawm. Thov siv cov khoom hauv 24 teev tom qab qhib lub pob. Tom qab cov pob tau ntim lawm, cov chips LED tsis tau siv yuav tsum tau muab ntim rau hauv lub tshuab nqus tsev dua, khaws cia rau hauv 60-degree qhov cub lossis muab tso rau hauv lub txee tsis muaj dej noo, qhov kub yuav tsum tsawg dua lossis sib npaug li 30 degrees, thiab cov av noo yuav tsum qis dua 60 feem pua.
Plaub, thaj sau ntawv
①.Electrostatic tiv thaiv
Thov hnav anti-wristband zoo li qub, lub dab teg yuav tsum muaj kev ntseeg siab, thiab tag nrho cov khoom tsim khoom, cov cuab yeej siv thiab cov cuab yeej tsim khoom yuav tsum yog hauv av; grounding yuav tsum tau: grounding kuj yuav tsum tsis txhob ntau tshaj 1 ohm.
②. Rhiav ambient kub
Thaum lub teeb LED nti yog unpacked rau SMT, nws twb raug rau rhiav ib puag ncig. Nws raug nquahu kom tswj hwm qhov chaw ua haujlwm: kub tsawg dua lossis sib npaug li 30 degree, av noo tsawg dua lossis sib npaug li 60 feem pua RH.
