Suav teb
Txij li thaum kawg ntawm xyoo 2025, kev lag luam LED tau pom ib qho kev nce nqi tshiab. Tus nqi tooj liab tau nce ntau dua 36% xyoo no, uas ua rau tus nqi tsim khoom ntawm cov khoom tseem ceeb ntawm LED teeb pom kev zoo - lub rooj tsavxwm (PCB). Nyob rau hauv kev nyuaj siab ntawm tus nqi, qee lub tuam txhab tsim khoom tsis muaj kev ncaj ncees, hauv kev sim ntes lub khw thiab txiav tus nqi, tau pib koom nrog "kev dag ntxias" ntawm cov rooj tsavxwm ntawm LED teeb pom kev zoo. Lawv siv "nyiag tooj liab" thiab "hloov cov khoom tsis zoo rau cov khoom zoo" kom tau txiaj ntsig loj, ua rau muaj kev pheej hmoo loj heev rau cov khoom zoo thiab kev poob tom qab rau cov neeg yuav khoom. Tsab xov xwm no lub hom phiaj yog los pab koj nkag siab txog lub ntsiab lus ntawm "nyiag tooj liab" lub ntxiab, paub txog cov txheej txheem ua tau zoo kom tsis txhob muaj nws, thiab xyuas kom meej tias koj yuav cov teeb pom kev zoo LED tiag tiag.
I. Keeb Kwm Kev Lag Luam: Vim Li Cas Tus Nqi Tooj Liab Nce Siab Ua Rau Muaj "Lub Ntxaib Tooj Liab"?
1.1 Cov tshuaj tiv thaiv ntawm kev nce nqi tooj liab: Tus nqi ntawm cov teeb LED yog nyob rau hauv kev nyuaj siab
Tooj liab yog cov khoom siv tseem ceeb rau cov laug cam ntawm cov teeb LED. Qhov tuab ntawm cov ntawv ci tooj liab ncaj qha txiav txim siab qhov conductivity, kev ua haujlwm ntawm cov cua sov dissipation thiab lub neej ua haujlwm ntawm lub rooj tsavxwm. Txij li xyoo 2025, vim muaj cov yam xws li kev hloov pauv hauv cov saw hlau thoob ntiaj teb thiab kev thov nce ntxiv rau cov hlau hauv paus, tus nqi ntawm tooj liab tau txuas ntxiv nce siab, nce ntau dua 36%, ua rau tus nqi ntawm PCB boards nce 15% -25%. Rau kev lag luam teeb LED, tus nqi ntawm cov laug cam circuit suav txog 20% -30% ntawm tag nrho cov nqi, thiab qhov nce ntawm tus nqi tooj liab tau ncaj qha nias cov nyiaj tau los ntawm cov lag luam.
1.2 Lub ntsiab lus ntawm txoj kev nyiag tooj liab: txi qhov zoo rau tus nqi qis dua
Thaum muaj kev nyuaj siab rau tus nqi, cov lag luam ib txwm feem ntau ua kom cov txheej txheem tsim khoom zoo dua, txhim kho kev ua haujlwm kom them taus tus nqi, lossis kho tus nqi khoom kom zoo kom ntseeg tau tias zoo. Txawm li cas los xij, qee lub tuam txhab tsim khoom tsis muaj kev ncaj ncees xaiv "siv txoj hauv kev luv luv", tswj cov ntawv ci tooj liab ntawm lub rooj tsavxwm - los ntawm kev txo qhov tuab ntawm cov ntawv ci tooj liab, hloov tooj liab ntshiab nrog cov txhuas tooj liab lossis hlau tooj liab, thiab txo qhov dav ntawm cov xov tooj liab, thiab lwm yam kom txiav cov ces kaum. Cov khoom tiav lawm raug muag ntawm tus nqi qis dua li tus nqi lag luam ib txwm muaj, ua rau cov neeg yuav khoom nyob hauv "kev ntxias ntawm tus nqi qis".
1.3 Ceeb Toom! Tej yam txaus ntshai zais cia ntawm kev nyiag cov hlua tooj liab yog ntau dua li kev txuag nqi.
Kev yuav cov teeb tooj liab uas raug nyiag lawm zoo li yuav txuag tau cov nqi yuav khoom hauv lub sijhawm luv luv, tab sis qhov tseeb nws zais cov kev phom sij loj heev: kev ua hluav taws xob tsis zoo ua rau lub teeb ci tsis sib xws thiab flickering; kev tso cua sov tsis zoo ua rau cov hlaws teeb laus sai dua, txo lub neej ua haujlwm mus rau 1/3 - 1/2 ntawm cov khoom ib txwm muaj; nyob rau hauv qhov chaw overloaded lossis kub siab, nws yooj yim rau cov xov tooj liab hlawv, luv luv circuits, thiab txawm tias hluav taws kub. Rau cov haujlwm engineering, cov nqi ntawm kev ua haujlwm dua thiab hloov pauv tom qab ntawd siab dua li qhov txuag thawj zaug.
II. Kev Tshawb Fawb tob tob: 3 Lub Ntxaib Tooj Liab Loj hauvLED Teeb Sawb Circuit Boards
2.1 Qhov Ntxaib 1: Txo qhov tuab ntawm cov ntawv ci tooj liab - Txoj kev siv ntau tshaj plaws ntawm "nyiag tooj liab"
2.1.1 Txoj Cai Txiav Hauv Qab: Txo Qhov Tuab Ntawm Cov Ntawv Nyiaj Tooj Liab
Qhov tuab ntawm cov ntawv ci tooj liab rau cov teeb LED ib txwm yog 1 oz (kwv yees li 35 μm). Rau cov khoom zoo, txawm tias 2 oz (kwv yees li 70 μm) siv los xyuas kom meej tias kev ua haujlwm ruaj khov nyob rau hauv qhov tam sim no siab. Txawm li cas los xij, cov chaw tsim khoom tsis zoo, txo cov ntawv ci tooj liab kom qis dua 0.5 oz (kwv yees li 18 μm), ncaj qha txo cov nqi los ntawm kev txo cov tooj liab siv.
2.1.2 Cov Teeb Meem Kev Txheeb Xyuas: Lub qhov muag liab qab tsis tuaj yeem paub qhov txawv ncaj qha
Qhov sib txawv ntawm cov ntawv ci tooj liab tsuas yog nyob rau ntawm qib micrometer xwb. Nws tsis yooj yim sua kom paub qhov txawv ntawm nws los ntawm lub qhov muag liab qab ntawm qhov chaw ntawm lub rooj tsavxwm. Tsuas yog siv cov cuab yeej tshaj lij los ntsuas nws thiaj li paub tau. Qhov no muab sijhawm rau cov chaw tsim khoom tsis muaj kev ncaj ncees los tshaj tawm cov khoom tsis zoo li cov khoom zoo.
2.2 Lub Qhov 2: Kev Hloov Khoom Siv - Siv cov txhuas/tooj liab uas npog nrog tooj liab los ua tooj liab ntshiab
2.2.1 Lub hauv paus ntsiab lus ntawm kev txiav cov ces kaum: Siv cov hlau pheej yig es tsis txhob siv tooj liab ntshiab
Tooj liab ntshiab muaj cov hluav taws xob zoo heev thiab cov khoom siv cua sov, tab sis nws tus nqi siab; thaum tus nqi ntawm txhuas thiab hlau tsuas yog 1/3 txog 1/5 ntawm tus nqi ntawm tooj liab. Cov chaw tsim khoom tsis muaj kev ntseeg siab yuav txheej txheej tooj liab nyias nyias rau ntawm cov xov hlau txhuas thiab cov xov hlau los tsim cov "tooj liab-clad txhuas" thiab "tooj liab-clad hlau" circuit boards, thiab muag lawv ua cov tooj liab ntshiab circuit boards. Yog li ntawd, lawv cov hluav taws xob conductivity thiab kev ua haujlwm cua sov raug txo qis heev.
2.2.2 Kev Pheej Hmoo Zais Cia: Muaj Oxidizable Heev, Lub Neej Luv Luv Kawg Li
Cov txheej txheej ntawm cov laug cam tooj liab-clad txhuas / tooj liab-clad hlau circuit boards feem ntau yuav hnav thiab oxidized. Tom qab siv rau ib lub sijhawm, teeb meem xws li kev sib cuag tsis zoo thiab kev tiv thaiv ntau ntxiv yuav tshwm sim, thiab txawm tias qhov chaw tsis ci ntsa iab ntawm cov teeb pom kev zoo yuav tshwm sim. Hauv qhov chaw noo noo, cov txheej txheem oxidation sai dua, thiab lub neej siv feem ntau tsis pub tshaj ib xyoos.
2.3 Lub Ntxaib 3: Cov Tswv Yim Tsis Tshua Muaj Kev Tsis Tshua Muaj - Siv "Kev Them Nyiaj Tooj Liab" ua "Kev Ua Phem Rau Kev Nyiag Tooj Liab"
2.3.1 Siv Cov Lus Tsis Zoo Ua Rau Tus Neeg Yuav Khoom Dag: Siv Cov Lus Tshaj Lij Los Ua Rau Tus Neeg Yuav Khoom Dag
Hauv kev tsim PCB, "kev nyiag tooj liab" yog ib qho txheej txheem ib txwm muaj - cov pob tooj liab me me thiab cov blocks tooj liab raug ntxiv rau cov chaw dawb ntawm lub rooj tsavxwm kom ntseeg tau tias cov ntawv ci tooj liab sib npaug thiab zam kev hloov pauv thiab cov teeb meem tsis sib xws thaum lub sijhawm etching thiab electroplating. Txawm li cas los xij, qee lub tuam txhab tsim khoom tsis muaj kev ntseeg siab tau hais tsis tseeb txog cov kev coj ua no ntawm "txo cov ntawv ci tooj liab tuab" thiab "ua kom cov xov tooj liab me me" ua "txheej txheem them tooj liab", dag cov neeg yuav khoom tsis muaj kev tshaj lij.
2.3.2 Qhov Txawv Tseem Ceeb: Cov Txheej Txheem Ib Txwm Tsis Cuam Tshuam Rau Kev Ua Haujlwm Tseem Ceeb
Kev them nyiaj tooj liab ib txwm tsis hloov qhov tuab thiab dav ntawm cov ntawv ci tooj liab hauv thaj chaw conductive ntawm lub rooj tsavxwm Circuit Court, thiab tsis cuam tshuam rau kev conductivity thiab kev ua haujlwm ntawm kev tso cua sov. Txawm li cas los xij, qhov kev ua ntawm kev nyiag tooj liab ncaj qha txo qhov ntau ntawm tooj liab siv hauv thaj chaw tseem ceeb, uas yog ib qho teeb meem meej meej ntawm kev puas tsuaj zoo.
III. Phau Ntawv Qhia Ua Haujlwm: 5 Kauj Ruam Kom Tsis Txhob Muaj Qhov Ntxeev Ntawm Kev Nyiag Tooj Liab Los Ntawm Cov Rooj Tswjhwm LED Teeb Ci
3.1 Kauj Ruam 1: Tsis lees txais "Kev Sim Siab Rau Tus Nqi Qis Tshaj Plaws" - Teem Tus Nqi Kom Muaj Feem Xyuam
Vim tias tus nqi tooj liab nce siab heev, tus nqi ntawm cov teeb LED muaj qhov tseeb. Yog tias tus nqi ntawm cov chaw tsim khoom qis dua 20% ntawm tus nqi nruab nrab ntawm kev ua lag luam, muaj feem ntau uas lawv nyiag tooj liab lossis tshaj tawm cov khoom tsis zoo tias yog cov khoom zoo. Thaum yuav khoom, ib tus yuav tsum nkag siab txog "tus nqi - zoo", tsis txhob nrhiav tus nqi qis, thiab nyiam xaiv cov hom lag luam uas muaj tus nqi tsim nyog thiab lub koob npe zoo.
3.2 Kauj Ruam 2: Qhia meej cov kev cai - Daim ntawv cog lus qhia txog qhov tuab ntawm cov ntawv ci tooj liab
Thaum yuav khoom, nws yog ib qho tsim nyog los qhia meej txog cov kev cai rau tus neeg tsim khoom thiab suav nrog cov kev cai ntawm lub rooj tsavxwm hauv daim ntawv cog lus: tooj liab ntawv ci tuab ≥ 1oz (35μm), cov khoom siv yog tooj liab ntshiab, tooj liab hlau dav ≥ 1.0 hli (kho raws li lub zog). Tib lub sijhawm, tus neeg tsim khoom yuav tsum muab daim ntawv qhia txog kev xeem tooj liab ntawv ci tuab, xa mus rau cov qauv hauv tebchaws thiab kev lag luam xws li GB / T thiab IPC-4562.
3.3 Kauj Ruam 3: Paub 4 Txoj Kev Txheeb Xyuas Yooj Yim - Ua Haujlwm Tau Ntawm Qhov Chaw
3.3.1 Txoj Kev Ntsuas Magnetization: Sib Txawv ntawm Tooj Liab Ntshiab thiab Hlau Uas Muaj Tooj Liab Txheej
Tooj liab ntshiab tsis muaj hlau nplaum, thaum cov xov hlau hauv cov laug cam hlau tooj liab yuav raug rub los ntawm cov hlau nplaum. Thaum yuav, koj tuaj yeem nqa ib lub hlau nplaum me me thiab muab tso ze rau cov xov tooj liab ntawm lub rooj tsavxwm. Yog tias muaj qhov tshwm sim rub, nws qhia tias muaj lub qhov ntxiab hlau tooj liab.
3.3.2 Txoj Kev Ntsuas Kev Sib Txhuam: Kev Sib Txawv ntawm Tooj Liab Ntshiab thiab Tooj Liab-Aluminium Alloy
Maj mam khawb cov xov tooj liab ntawm ntug ntawm lub rooj tsavxwm nrog ib lub cuab yeej ntse. Tom qab khawb cov tooj liab huv si, qhov uas raug khawb tseem yog xim tooj liab. Yog tias nws qhia xim dawb lossis xim grey-dawb, nws qhia tias nws yog tooj liab-clad txhuas (silver-dawb) lossis tooj liab-clad hlau (grey-dawb). Nco ntsoov khawb maj mam kom tsis txhob ua rau lub voj voog puas tsuaj.
3.3.3 Txoj kev sim kub siab: Kev ntsuam xyuas qhov zoo ntawm cov ntawv ci tooj liab
Siv lub hlau soldering (nrog qhov kub thiab txias teeb tsa li ntawm 350 ℃), maj mam kov cov xov tooj liab ntawm lub rooj tsavxwm circuit rau 10 txog 15 vib nas this. Rau cov rooj tsavxwm circuit tooj liab zoo, yuav tsis muaj qhov deformation lossis dub pom tseeb; thaum rau cov rooj tsavxwm circuit uas muaj tooj liab tsis zoo lossis cov uas siv cov hloov pauv, lawv yuav sai sai tig dub, deform, thiab txawm tias muaj cov xov tooj liab poob tawm.
3.3.4 Txoj Kev Sib Piv Qhov Hnyav: Kev Kwv Yees Ua Ntej ntawm Kev Siv Tooj Liab
Rau cov laug cam uas muaj tib qhov ntev thiab dav, cov khoom tooj liab ntshiab hnyav dua li 10% - 20% dua li cov uas ua los ntawm tooj liab raug nyiag lossis tooj liab-clad txhuas/hlau. Thaum lub sijhawm yuav khoom, cov qauv tuaj yeem raug xaiv los ntawm random rau kev ntsuas thiab sib piv. Yog tias qhov hnyav sib dua, ceev faj txog kev pheej hmoo ntawm tooj liab raug nyiag.
3.4 Kauj Ruam 4: Thov daim ntawv qhia txog kev xeem uas muaj cai - Kev pom zoo los ntawm cov kws tshaj lij muaj kev ntseeg siab dua
Cov chaw tsim khoom ib txwm muaj peev xwm muab cov ntawv qhia kev tshuaj xyuas kab ntawv uas tau muab los ntawm cov koom haum sab nraud, uas qhia meej meej txog cov yam ntxwv tseem ceeb xws li tuab ntawm cov ntawv ci tooj liab, cov khoom siv, thiab lub zog tev tawv. Cov txheej txheem tshuaj xyuas ua raws li cov txheej txheem txheem xws li X-ray fluorescence spectroscopy (XRF) thiab kev txiav tshuab. Yog tias lub chaw tsim khoom tsis tuaj yeem muab cov ntawv qhia kev tshuaj xyuas, lossis yog tias cov yam ntxwv ntawm daim ntawv qhia tsis meej, ib tus yuav tsum zam nws.
3.5 Kauj Ruam 5: Xaiv lub npe nrov - Kev lav phib xaub tom qab muag khoom yog qhov tseem ceeb
Cov chaw tsim khoom uas tsis txhim khu kev qha feem ntau tsis muaj kev pabcuam tom qab muag tiav. Thaum muaj teeb meem zoo, lawv feem ntau hloov qhov kev liam thiab koom nrog kev ncua sijhawm. Ntawm qhov tod tes, cov npe nrov yuav muab cov lus cog tseg lav meej (xws li 3-5 xyoo lav rau cov laug cam Circuit Court) thiab txhawb nqa kev xa rov qab thiab pauv dawb rau cov teeb meem zoo. Thaum yuav khoom, nws yog qhov zoo kom xaiv cov tuam txhab uas tau koom nrog kev lag luam tob rau ntau xyoo, muaj cov ntawv pov thawj tsim khoom meej thiab lub koob npe nrov zoo.
IV. Kev Paub Tseeb Txog Hom Lag Luam: Peb yuav ua li cas thiaj li tswj tau qhov zoo thiab zam kev ua cuav?
4.1 Kev tswj cov khoom siv raw: Ua raws li cov khoom siv tooj liab ntshiab thiab txhais kom meej cov qauv ntawv ci tooj liab
Peb liLED teeb strips circuits boardsyog ua los ntawm 100% cov khoom siv tooj liab ntshiab. Cov ntawv ci tooj liab tuab ua raws li tus qauv 1oz (35μm). Rau cov khoom siv engineering-grade, nws tuaj yeem hloov kho mus rau 2oz (70μm) raws li qhov yuav tsum tau ua, tshem tawm cov teeb meem xws li kev nyiag tooj liab thiab kev hloov khoom siv txij thaum pib. Txhua yam khoom siv raw yog los ntawm cov neeg muag khoom muaj npe nrov, thiab daim ntawv pov thawj khoom siv thiab cov ntawv qhia kev xeem tuaj yeem muab tau.
4.2 Kev Tswj Xyuas Kev Tsim Khoom: Kev tswj xyuas zoo tag nrho kom ntseeg tau tias ua raws li cov qauv
Thaum lub sijhawm tsim khoom, peb siv cov khoom siv tshaj lij xws li eddy current meters thiab X-ray fluorescence spectrometers los sim qhov tuab ntawm cov ntawv ci tooj liab ntawm txhua pawg ntawm cov laug cam circuit, kom ntseeg tau tias lawv ua tau raws li cov kev cai teev tseg hauv daim ntawv cog lus. Tib lub sijhawm, peb nruj me ntsis sib txawv ntawm "txheej txheem them nyiaj tooj liab" thiab thaj chaw tseem ceeb ntawm lub voj voog kom lav qhov ruaj khov ntawm kev ua haujlwm conductive thiab kev ua haujlwm kub dissipation.
4.3 Kev Lav Tom Qab Muag Khoom: Kev them nyiaj tag nrho rau cov teeb meem zoo, ua kom muaj kev thaj yeeb nyab xeeb rau cov neeg yuav khoom.
Tag nrho cov circuit boards ntawm peb cov LED teeb strips yog ua los ntawm tooj liab ntshiab. Lub tuab ntawm cov ntawv ci tooj liab ua tau raws li cov qauv. Yog tias muaj teeb meem xws li kev nyiag tooj liab lossis kev hloov khoom siv raug pom los ntawm cov koom haum muaj cai thaum lub sijhawm tshuaj xyuas, peb yuav them tag nrho rau tus nqi yuav khoom thiab dais cov nqi cuam tshuam rau kev ua haujlwm dua thiab hloov pauv. Tib lub sijhawm, peb muab kev pabcuam lav 3-5 xyoos, thiab peb pab neeg tom qab muag yuav teb tsis pub dhau 24 teev.
V. Xaus Lus: Thaum lub sijhawm tus nqi tooj liab nce siab, thaum yuav cov teeb LED, ib tus yuav tsum "tsom mus rau qhov zoo thiab zam cov ntxiab"
Vim tias tus nqi tooj liab nce siab heev, "tus nqi qis" feem ntau yog "qhov ntxiab" ntawm kev nyiag tooj liab. Thaum yuav cov teeb LED, tsis txhob tsuas yog tsom mus rau tus nqi xwb, tab sis kuj xyuam xim rau qhov tuab ntawm cov ntawv ci tooj liab, cov khoom siv thiab lwm yam tseem ceeb ntawm lub rooj tsavxwm. Los ntawm kev ua raws li tsib kauj ruam ntawm "tsis kam txais tus nqi qis, ua kom meej cov ntawv cog lus, txheeb xyuas qhov chaw, thov cov ntawv ceeb toom, thiab xaiv cov hom", koj tuaj yeem zam tau qhov ntxiab nyiag tooj liab.
Kev xaiv lub npe nrov tsis yog tsuas yog tso cai rau koj kom tau txais cov khoom ua los ntawm cov ntaub ntawv tiag tiag xwb, tab sis kuj tseem ua rau koj txaus siab rau kev sab laj ua ntej muag thiab kev tiv thaiv tom qab muag, zam kev poob ntau dua yav tom ntej vim muaj teeb meem zoo.
Kev sab laj pub dawb: Muab koj cov kev xav tau yuav khoom (rau kev siv hauv tsev, kev lag luam lossis kev tsim kho), thiab tau txais cov lus qhia rau kev xaiv cov kev teeb tsa ntawm lub rooj tsavxwm;
Kev kuaj qauv: Peb muab kev xa khoom dawb ntawm cov qauv teeb LED. Peb kuj tseem tuaj yeem pab tiv tauj cov koom haum sab nraud los sim qhov tuab thiab cov khoom siv ntawm cov ntawv ci tooj liab.
Saib Khoom: Nyem rau nkag mus rau [Cov Khoom Siv Teeb LED Zoo Tshaj Plaws], qhov chaw uas koj tuaj yeem kawm txog cov yam ntxwv ntawm lub rooj tsavxwm, cov txheej txheem tsim khoom, thiab cov nqi.
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Lub sijhawm tshaj tawm: Lub Ib Hlis-15-2026