Takaddun Fasaha na LED SMD Farin 3.0x3.0x0.55mm - Ƙarfin Lantarki na Gaba 3.0-3.8V - Ƙarfi 3.42W - Hasken Haske har zuwa 300lm

1. Bayanin Samfurin

Wannan takaddar fasaha tana cikakken bayani game da ƙayyadaddun fitilar LED farin mai haske sosai wanda aka tsara don aikace-aikacen fasahar haɗa saman (SMT). An gina LED ta amfani da guntu na semiconductor shuɗi tare da rufi na phosphor don samar da haske farin. An ajiye shi a cikin kunshin SMC (Surface-Mount Chip) mai ƙanƙanta, wanda ya sa ya dace da hanyoyin haɗa ta atomatik. Samfurin yana da halayen fitar da haske mai yawa, faɗin kusurwar kallo, da amintacciya a cikin yanayin aiki na yau da kullun.

1.1 Siffofi

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• Kunshin SMC:Na'urar tana amfani da kunshin guntu mai ƙarfi na haɗa saman wanda aka tsara don kwanciyar hankali na injiniya da kuma sarrafa zafi yadda ya kamata.
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• Faɗin Kusurwar Kallo:Matsakaicin kusurwar kallo (2θ1/2) na digiri 120 yana tabbatar da rarraba haske mai faɗi da daidaito, wanda ya dace don hasken yanki da hasken baya.
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• Daidaitawar Haɗa SMT:Cikakkiyar daidaitawa tare da layukan haɗa saman na yau da kullun, gami da injunan ɗauka da sanyawa da hanyoyin haɗa ta zafi.
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• Kunshin Kaset da Reel:Ana bayar da shi a cikin tsarin kaset da reel don sauƙaƙe kera ta atomatik mai sauri.
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• Matakin Haɗarin Danshi (MSL):An ƙidaya shi a Mataki 3 bisa ƙa'idodin masana'antu. Wannan yana buƙatar cewa a gasa na'urar idan an fallasa shi ga yanayin muhalli fiye da ƙayyadaddun lokaci kafin haɗa ta zafi don hana tsaga.
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• Yin Bin RoHS:Ana kera samfurin daidai da umarnin ƙuntata Abubuwa Masu Haɗari (RoHS), yana tabbatar da cewa ba shi da gubar, mercury, cadmium, da sauran kayan da aka ƙuntata.
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1.2 Aikace-aikace

Wannan LED mai yawan amfani an ƙera shi don ɗimbin aikace-aikacen haske, gami da amma ba'a iyakance ga:

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• Hasken Baya:Tushen haske na farko don allunan LCD a cikin talabijin, na'urorin lantarki, da nuni na kayan aiki.
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• Fitilun Nuna Alama:Haskakawa don kashewa, maɓallan tura, da alamomin matsayi a cikin na'urorin lantarki na mabukaci da kayan aikin masana'antu.
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• Hasken Gabaɗaya:Ya dace don hasken kayan ado na cikin gida, hasken accent, da kayan haske na bututu.
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• Tsarin Nuni:Amfani a cikin alamar cikin gida, nunin bayanai, da allunan talla.
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• Hasken Manufa Gabaɗaya:Duk wani aikace-aikacen da ke buƙatar tushen haske farin mai ƙanƙanta, mai inganci, da haske.
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2. Zurfin Fahimtar Ma'aunin Fasaha

2.1 Halayen Lantarki da Na Haske

Ana bayyana ma'aunin aikin ginshiƙi a ƙarƙashin ƙayyadaddun yanayin gwaji a zafin maɓallin haɗawa (Ts) na 25°C. Waɗannan ma'auni suna da mahimmanci don ƙira da haɗa tsarin kewaye.

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• Ƙarfin Lantarki na Gaba (VF):Ana auna shi a igiyar lantarki ta gaba (IF) na 800mA, faɗuwar ƙarfin lantarki a kan LED yawanci yana tsakanin 3.0V zuwa 3.8V, tare da ƙima na al'ada na 3.4V. Wannan ma'auni yana da mahimmanci don tantance ƙarfin tuƙi da ake buƙata da kuma ƙirar wutar lantarki.
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• Igiyar Lantarki ta Baya (IR):Tare da ƙarfin lantarki na baya (VR) na 5V da aka yi amfani da shi, igiyar ɓarke an ƙayyade ta a matsakaicin 10 µA. Wannan yana nuna halayen LED na baya-baya.
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• Hasken Haske (Φ):Jimlar fitar da haske da ake iya gani, ana auna shi cikin lumens (lm). A 800mA, hasken haske yana da ƙimar al'ada na 250lm, tare da mafi ƙanƙanta na 210lm da mafi girma na 300lm. Wannan yana bayyana matakin haske na LED.
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• Kusurwar Kallo (2θ1/2):Cikakkiyar kusurwar da ƙarfin haske ya rabu da mafi girman ƙarfi. Ƙimar al'ada na digiri 120 tana nuna tsarin haske mai faɗi sosai.
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• Juriyar Zafi (RTHJ-S):Juriyar zafi daga haɗin gwiwa zuwa maɓalli na haɗawa yawanci 12°C/W. Wannan ƙimar tana da mahimmanci don lissafin sarrafa zafi, kamar yadda yake bayyana yadda zafi zai iya watsewa daga haɗin semiconductor zuwa PCB.
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2.2 Matsakaicin Ƙididdiga na Cikakke

Waɗannan ƙididdiga suna bayyana iyakokin damuwa waɗanda sama da su lalacewar dindindin na na'urar na iya faruwa. Ba a ba da garantin aiki a ƙarƙashin ko a waɗannan iyakokin ba kuma ya kamata a guje su a cikin ƙirar amintattu.

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• ɓarnawar Ƙarfi (PD):Matsakaicin ɓarnawar ƙarfin da aka yarda shine 3420 mW. Wucewa wannan iyaka na iya haifar da dumama da gazawar bala'i.
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• Igiyar Lantarki ta Gaba (IF):Matsakaicin igiyar lantarki ta gaba mai ci gaba shine 900 mA.
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• Igiyar Lantarki ta Gaba ta Koli (IFP):Igiyar gajeriyar lokaci na 1200 mA ana iya yarda da ita a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, 0.1ms faɗin bugun jini).
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• Ƙarfin Lantarki na Baya (VR):Matsakaicin ƙarfin lantarki na baya da aka yarda shine 5V. Yin amfani da ƙarfin lantarki na baya mafi girma zai iya rusar da haɗin gwiwa.
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• Fitar da Lantarki ta Electrostatic (ESD):Ƙarfin jurewa na ESD na Model ɗin Jikin Mutum (HBM) shine 2000V. Duk da yake yawan amfanin ƙasa ya wuce 90% a wannan matakin, har yanzu ana buƙatar kariya ta hanyar sarrafa ESD yayin haɗawa.
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• Kewayon Zafin Jiki:Zafin aiki (TOPR) ya tashi daga -40°C zuwa +85°C. Zafin ajiya (Tstg) yana tsakanin -40°C zuwa +100°C. Matsakaicin zafin haɗin gwiwa (TJ) shine 125°C.
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3. Bayanin Tsarin Rarrabawa

Don tabbatar da daidaito a cikin samar da yawa, ana rarraba LED zuwa kwandon bisa ma'auni masu mahimmanci na lantarki da na haske da aka auna a IF=800mA. Wannan yana ba masu ƙira damar zaɓar sassan da suka dace da takamaiman buƙatun aikace-aikace don ƙarfin lantarki da haske.

3.1 Rarrabawar Ƙarfin Lantarki na Gaba (VF)

Ana rarraba ƙarfin lantarki na gaba zuwa kwandon da aka nuna su ta hanyar lambobi kamar G0, H0, I0, J0, K0, da sauransu. Kowane lambobi yayi daidai da takamaiman kewayon ƙarfin lantarki (misali, G0: 2.8-3.0V, H0: 3.0-3.2V). Wannan yana taimakawa wajen daidaita LED don haɗin jerin don tabbatar da rarraba igiyar lantarki daidai.

3.2 Rarrabawar Hasken Haske (Φ)

Ana rarraba fitar da hasken haske ta amfani da lambobi kamar A210, A220, A230, da sauransu, inda lambar ke nuna mafi ƙanƙantar hasken haske a cikin lumens don wannan kwandon (misali, A210: 210-220 lm, A220: 220-230 lm). Wannan yana ba da damar sarrafa daidai matakin haske a cikin aikace-aikacen ƙarshe.

4. Bincike na Lanƙwasa Aiki

Duk da yake an yi nuni da takamaiman bayanan hoto a cikin takaddar a matsayin "Lanƙwasan halayen haske na al'ada," ma'aunin lantarki yana ba da damar fahimtar mahimman halayen aiki.

4.1 Dangantakar Igiya-Ƙarfin Lantarki (I-V)

Ƙarfin lantarki na gaba yana ƙaruwa tare da igiyar lantarki ta gaba ta hanyar da ba ta layi ba, kamar yadda al'adar diode ke nuna. Dole ne masu ƙira su yi la'akari da wannan lokacin zaɓin resistors na iyakance igiyar lantarki ko tuƙi na igiyar lantarki mai ci gaba don tabbatar da cewa LED yana aiki a cikin ƙayyadaddun kewayon ƙarfin lantarki a igiyar da ake so.

4.2 Dogaro da Zafin Jiki

Ƙarfin lantarki na gaba yawanci yana raguwa tare da ƙaruwar zafin haɗin gwiwa. Akasin haka, fitar da haske gabaɗaya yana raguwa yayin da zafin jiki ya tashi. Ƙayyadaddun juriyar zafi na 12°C/W shine mahimmin abu; misali, ɓarnawar 3W zai ɗaga zafin haɗin gwiwa da kusan 36°C sama da zafin maɓallin haɗawa. Ya zama dole a yi amfani da heatsinking daidai akan PCB don kiyaye aiki da tsawon rai.

4.3 Halayen Bakan Haske

A matsayin LED farin da aka canza phosphor dangane da guntu shuɗi, bakan hasken da aka fitar ya ƙunshi babban kololuwar shuɗi daga guntu da fitar da rawaya/farin mai faɗi daga phosphor. Haɗin bakan yana bayyana daidaitaccen zafin launi (CCT) da ma'anar nuna launi (CRI), ko da yake ba a yi cikakken bayani game da ƙayyadaddun ƙima a cikin wannan takaddar ba.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi

LED yana da ƙanƙantaccen ƙafa tare da jimlar girma na 3.00mm a tsayi, 3.00mm a faɗi, da tsayi na 0.55mm. Duk iyakokin girma suna ±0.1mm sai dai idan an ƙayyade su. Kunshin ya haɗa da ruwan tabarau wanda ke ba da gudummawa ga faɗin kusurwar kallo.

5.2 Ƙirar Kafa da Gano Polarity

Ra'ayin ƙasa na kunshin yana nuna kafofin haɗawa guda biyu. Kafar da ke da babban yanki ko takamaiman alama (sau da yawa alamar "+" ko "-" ko kusurwa mai chamfered) tana nuna tashar anode (tabbatacce). ɗayan kafar ita ce cathode (mara kyau). Daidaitaccen jagorar polarity yayin shimfidar PCB da haɗawa yana da mahimmanci don aiki daidai. An ba da shimfidar kafar haɗawa da aka ba da shawara don tabbatar da samuwar haɗin haɗawa amintacce da ƙarfin injiniya.

6. Jagororin Haɗawa da Haɗawa

6.1 Umarnin Haɗa SMT Ta Zafi

An ƙera LED don jure daidaitattun bayanan haɗa infrared ko convection. Ana ba da shawarar takamaiman bayanin haɗa mara gubar (SnAgCu) tare da matsakaicin zafi wanda bai wuce 260°C ba. Yakamata ƙimar hawan zafi da lokutan jikewa su bi jagororin don abubuwan Mataki na 3 na MSL don hana girgizar zafi da gazawar da ke da alaƙa da danshi.

6.2 Kariya ta Sarrafa da Gyara

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• Amfani da Ƙarfe na Haɗawa:Idan haɗa hannu ko gyara na hannu ya zama dole, yakamata a yi amfani da ƙarfe na haɗawa mai sarrafa zafi tare da zafin tip ɗin da ke ƙasa da 350°C da kuma ɗan gajeren lokacin tuntuɓi (ƙasa da dakika 3) don guje wa lalata kunshin filastik ko haɗin wayoyi na ciki.
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• Gyara:Bai kamata a sake haɗa abubuwan sama da sau biyu ba. Yin amfani da zafi mai yawa na iya lalata aiki.
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• Kariya:Guza wa ruwan tabarau damuwa na injiniya. Kada a taɓa saman ruwan tabarau da hannu mara kyau ko kayan aikin da suka gurbata, saboda mai da ragowar na iya shafar fitar da haske da haifar da canza launi.
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7. Bayanin Kunshi da Oda

7.1 Ƙayyadaddun Kunshi

Ana kunna LED a cikin kaset ɗin mai ɗaukar hoto tare da takamaiman girma aljihu don riƙe na'urar cikin aminci. Ana nade kaset ɗin akan reels. An ƙayyade daidaitattun girma na reel da adadin kowace reel don dacewa da kayan aikin atomatik.

7.2 Alama da Kariya ta Danshi

Kowace reel tana haɗa da alamar da ke ƙayyade lambar sashi, adadi, lambobin kwandon, lambar kwanan wata, da sauran bayanan gano asali. Ana kunna samfurin tare da shinge masu hana danshi (kamar desiccant da katunan nuna alamar zafi) a cikin jakunkun da aka rufe, kamar yadda ake buƙata don abubuwan Mataki na 3 na MSL. Ana saka waɗannan jakunkun a cikin akwatunan katako masu kariya don jigilar kaya da ajiya.

8. Shawarwarin Aikace-aikace da La'akari da Ƙira

8.1 Sarrafa Zafi a cikin Ƙira

Ganin ikon ɓarnawar ƙarfi har zuwa 3.42W, ingantaccen sarrafa zafi akan farantin kewaye (PCB) yana da mahimmanci. Yakamata masu ƙira su yi amfani da PCB tare da isasshen yanki na tagulla (kafofin zafi ko jiragen sama) da aka haɗa zuwa kafofin haɗawa na LED don zama heatsink. Ana iya amfani da hanyoyin zafi don canja wurin zafi zuwa cikin ko ƙananan layuka. Kiyaye zafin haɗin gwiwa ƙasa da matsakaicin ƙididdiga na 125°C yana da mahimmanci don dogon lokacin aminci da hana raguwar hasken haske.

8.2 La'akari da Tuƙi na Lantarki

Don tabbatar da fitar da haske mai tsayayye da daidaito, ana ba da shawarar tuƙa LED da tushen igiyar lantarki mai ci gaba sosai, sabanin tushen ƙarfin lantarki mai ci gaba tare da resistor na jerin. Wannan yana rama bambance-bambance a cikin ƙarfin lantarki na gaba (duka na'ura-zuwa-na'ura da tare da zafi). Yakamata tuƙi ya kasance mai ƙididdiga don matsakaicin igiyar lantarki mai ci gaba na 900mA kuma ya ba da kariya ta wuce gona da iri da ƙarfin lantarki na baya.

8.3 Ƙirar Haske don Aikace-aikacen Manufa

Don aikace-aikacen hasken baya, jerin waɗannan LED ɗin tare da farantin jagorar haske (LGP) da fina-finai masu watsawa na iya haifar da hasken saman daidai. Kusurwar kallo na digiri 120 yana da fa'ida don rage adadin LED ɗin da ake buƙata. Don amfani da nuna alama, faɗin kusurwa yana tabbatar da ganuwa daga sassa daban-daban.

9. Kwatancen Fasaha da Banbancewa

Duk da yake ba a ba da kwatancen kai tsaye tare da sauran samfuran a cikin takaddar tushe ba, ana iya fahimtar mahimman siffofi na wannan LED daga ma'auninsa:

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• Babban Ƙimar Hasken Haske:Fitar da har zuwa 300lm daga ƙafar 3.0x3.0mm yana wakiltar babban rabo na haske zuwa girma.
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• Daidaitaccen Aikin Zafi:Juriyar zafi na 12°C/W tana da gasa don kunshin SMC, yana ba da damar tuƙa igiyoyin lantarki mafi girma ba tare da hauhawar zafi mai yawa ba idan an yi amfani da heatsinking daidai.
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• Ƙarfafa Daidaitawar SMT:Matsayin Mataki na 3 na MSL da daidaitawa tare da daidaitattun bayanan haɗa suna sa ya dace da wuraren kera masu yawa tare da sarrafa daidai.
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10. Tambayoyin da ake yawan yi dangane da Ma'aunin Fasaha

10.1 Menene matsakaicin igiyar lantarki da zan iya tuƙa wannan LED da shi?

Matsakaicin igiyar lantarki ta gaba mai ci gaba shine 900mA. Koyaya, igiyar aikin da aka ba da shawara don ƙayyadaddun hasken haske da ƙarfin lantarki shine 800mA. Aiki a 900mA zai haifar da ƙarin haske amma kuma yana haifar da ƙarin zafi, yana buƙatar sarrafa zafi na musamman don kasancewa cikin iyakar zafin haɗin gwiwa. Matsakaicin igiyar bugun jini na iya zama 1200mA a ƙarƙashin takamaiman yanayi.

10.2 Ta yaya zan fassara lambobin kwandon lokacin yin oda?

Dole ne ka ƙayyade duka kwandon ƙarfin lantarki na gaba (misali, I0 don 3.2-3.4V) da kwandon hasken haske (misali, A250 don 250-260 lm) don tabbatar da cewa ka karɓi LED ɗin tare da takamaiman halayen lantarki da na haske da ake buƙata don ƙirarka, musamman don tsarin jerin ko layi daya.

10.3 Wadanne kariya ne ake buƙata don ajiya kafin haɗawa?

A matsayin ɓangaren Mataki na 3 na MSL, dole ne a ajiye na'urar a cikin jakun ɗin shinge na danshi na asali da aka rufe. Da zarar an buɗe jakar, "rayuwar bene" (lokacin da aka ba da izinin fallasa ga yanayin masana'antu na yau da kullun) yawanci sa'o'i 168 (kwanaki 7) a ≤ 30°C/60% RH. Idan wannan lokacin ya wuce, dole ne a gasa abubuwan bisa ga bayanin da aka ba da shawara (misali, 125°C na awanni 24) kafin haɗa ta zafi.

11. Lamuran Aikace-aikace na Duniyar Gaske

11.1 Binciken Lamari: Na'urar Hasken Baya na LCD Monitor

Ana iya shirya jerin 50 na waɗannan LED ɗin tare da gefen farantin jagorar haske na monitor na inci 24. Ana tuƙa su a 700mA kowanne (an rage don tsawon rai), suna ba da isasshen hasken haske don nuni mai haske da daidaito. Kunshin SMT yana ba da damar bayanin monitor mai siriri, kuma faɗin kusurwar kallo na LED yana ba da gudummawa ga hasken gefe mai daidaito.

11.2 Binciken Lamari: Masu Nuna Alama na Panel ɗin Sarrafa Masana'antu

Ana amfani da su azaman masu nuna matsayi akan panel ɗin sarrafa injin masana'antu, LED ɗaya kowane mai nuna alama, ana tuƙa su ta hanyar wadataccen wutar lantarki na 5V ta hanyar resistor mai iyakance igiyar lantarki da aka ƙidaya don ~800mA. Babban haske da faɗin kusurwar kallo suna tabbatar da cewa mai nuna alama yana bayyana a fili ga ma'aikata daga sassa daban-daban a cikin yanayin masana'antu mai haske.

12. Gabatarwa da Ka'idar Aiki

Ana samar da hasken farin ta hanyar aikin da ake kira canza phosphor. Tushen LED shine guntu na semiconductor wanda ke fitar da hasken shuɗi lokacin da igiyar lantarki ta wuce ta cikinsa a gefen gaba (electroluminescence). Wannan hasken shuɗi sai a ɗanɗana shi da wani Layer na phosphor rawaya (ko gauraye ja da kore) da aka ajiye akan ko kewaye da guntu. Phosphor yana sake fitar da wannan makamashi azaman haske na tsayin raƙuman ruwa (rawaya). Haɗin sauran hasken shuɗi da canza hasken rawaya yana bayyana farin ga idon mutum. Takamaiman inuwar farin (sanyi, tsaka-tsaki, dumi) an ƙaddara shi ta hanyar abun da ke ciki da kauri na Layer na phosphor.

13. Trends na Ci gaban Fasaha

Juyin halittar SMD farin LED kamar wannan yana haifar da wasu mahimman trends:Ƙara Inganci (lm/W):Bincike na ci gaba yana mai da hankali kan inganta ingancin ƙididdiga na ciki na guntu shuɗi da ingancin canza phosphor don cire ƙarin lumens kowace watt na shigarwar lantarki.Ingantaccen Ingancin Launi:Ci gaban fasahar phosphor yana nufin haɓaka Ma'anar Nuna Launi (CRI) don ƙarin haske mai kama da na halitta, musamman don babban nuni da hasken gabaɗaya.Ƙanƙantawa da Babban Ƙarfin Ƙarfi:Tura don ƙananan kunshin da ke iya ɗaukar igiyoyin tuƙi mafi girma da ɓarnawar ƙarfi yana ci gaba, yana ba da damar mafi haske da mafi ƙanƙanta mafita na haske.Haɓaka Aminci da Tsawon Rayuwa:Ci gaba a cikin kayan kunshi, fasahar haɗa guntu, da kwanciyar hankali na phosphor suna tsawaita tsawon lokacin aiki da kiyaye lumen na LED a ƙarƙashin mawuyacin yanayin aiki.