Bayanin Fasahar LED Farin SMD - Kunshin 3.0x3.0x0.65mm - Wutar Gaba 5.8-6.4V - Ƙarfin Yau da Kullun 0.9W - CCT 2580-7120K

1. Bayanin Samfuran

Wannan takarda tana ba da cikakken bayanin fasaha don jerin fitilun LED farin haske masu ƙarfi, surface-mount. Ana gina waɗannan LED ta amfani da guntuwar LED shuɗi da haɗe da fasahar phosphor don samar da farin haske. Ana sanya na'urar a cikin kunshin EMC (Epoxy Molding Compound) mai ƙarfi da ƙanƙanta wanda ke auna 3.0mm x 3.0mm x 0.65mm, yana sa ya dace da hanyoyin haɗawa ta atomatik. An ƙera samfurin don amfani na gaba ɗaya na haske da nuni, yana ba da kusurwar kallo mai faɗi da bin ka'idodin RoHS.

1.1 Fa'idodi na Cibiya

Babban fasalolin wannan jerin LED sun haɗa da kayan kunshin EMC mai ƙarfi, wanda ke haɓaka aikin thermal da aminci. Yana ba da kusurwar kallo mai faɗi sosai na digiri 120, yana tabbatar da rarraba haske daidai. Kayan yana cikakken dacewa da daidaitattun hanyoyin haɗawa na SMT (Surface Mount Technology) da hanyoyin reflow soldering. Ana bayar da shi akan tef da kunshin reel tare da guda 5000 a kowane reel, yana sauƙaƙa samarwa mai yawa. Matakin hankalin danshi an rarraba shi azaman Mataki 3, kuma samfurin ya cika ka'idodin muhalli na RoHS.

1.2 Kasuwa da Amfanin Manufa

Wannan LED yana da fa'ida da yawa kuma yana kaiwa ga amfanin da ke buƙatar hanyoyin haske farin haske masu inganci, masu aminci. Yankunan amfani na farko sun haɗa da zama mai nuni na gani a cikin na'urorin lantarki da kayan aiki. Ya dace don hasken baya na nuni na cikin gida da alamun alama. Bugu da ƙari, halayen sa na aiki sun sa ya dace da fitilun hasken waje daban-daban inda ake buƙatar haske da launi mai daidaito.

2. Ma'auni na Fasaha - Bincike na Manufa

Ana ayyana aikin LED a ƙarƙashin takamaiman yanayin gwaji (Ts=25°C). Yana da mahimmanci ga masu ƙira su fahimci waɗannan ma'auni a cikin mahallin yanayin thermal da na lantarki na amfani nasu.

2.1 Halayen Photometric da Na Lantarki

Ana ayyana babban halaye don gudun tuƙi na 150mA. Fitar da luminous flux (Φ) ta bambanta dangane da akwatin zazzabi mai alaƙa da launi (CCT). Misali, akwatin 2850-3210K (RF-Q30SA 30A-24-J2) yana da madaidaicin luminous flux na lumens 158, tare da ƙayyadaddun ƙima mafi ƙanƙanta da mafi girma a cikin ƙananan akwatuna (FC7: 150-160 lm, FC8: 160-170 lm). An raba wutar gaba (Vf) zuwa manya uku (R1: 5.8-6.0V, R2: 6.0-6.2V, S1: 6.2-6.4V) a 150mA. Sauran ma'auni masu mahimmanci sun haɗa da gudun baya (Ir) na matsakaicin 10uA a 10V, kusurwar kallo (2Θ1/2) na digiri 120 madaidaici, ma'aunin nuna launi (Ra) na 72 madaidaici, da juriyar thermal daga junction zuwa wurin solder (Rth(j-s)) na 10 °C/W madaidaici.

2.2 Matsakaicin Ma'auni na Cikakke

Waɗannan ma'auni suna ayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa. Matsakaicin gudun gaba na ci gaba (IF) shine 200mA, tare da matsakaicin gudun gaba (IFP) na 240mA a ƙarƙashin yanayin bugun jini (1/10 aikin aiki, 0.1ms faɗin bugun jini). Matsakaicin ɓarnawar ƙarfi (PD) shine 1200mW. Matsakaicin wutar baya (VR) shine 10V. Na'urar na iya jure zubar da wutar lantarki (ESD) na 2000V (Samfurin Jikin Mutum). Yankin zazzabin aiki da ajiya daga -40°C zuwa +100°C, tare da matsakaicin zazzabin junction (TJ) da aka ƙidaya a 125°C. Dole ne masu ƙira su tabbatar da aiki a cikin waɗannan iyakoki don amincin dogon lokaci.

3. Bayanin Tsarin Binning

Cikakken tsarin binning yana tabbatar da daidaiton launi da haske, wanda ke da mahimmanci ga amfanin da ke buƙatar kamanni iri ɗaya.

3.1 Zazzabin Launi Mai Alaƙa (CCT) da Binning na Chromaticity

LED yana samuwa a cikin manyan akwatunan CCT guda shida: 27 (2580-2850K), 30 (2850-3210K), 40 (3690-4255K), 50 (4700-5350K), 57 (5260-6155K), da 65 (6035-7120K). Kowane babban akwati an ƙara raba shi zuwa huɗu quadrants (A, B, C, D) akan zane na chromaticity na CIE 1931, yana bin daidaitattun matakan ANSI 5 na Macadam ellipse. Wannan yana tabbatar da cewa LED a cikin akwati ɗaya suna daidaita a gani a launi. Ana ba da takamaiman daidaitattun daidaitawa (x, y) don cibiyar nominal na kowane babban akwati.

3.2 Luminous Flux (Haske) Binning

A cikin kowane akwatin CCT, ana ƙara rarraba luminous flux zuwa ƙananan akwatuna da aka yiwa lakabin FC6, FC7, FC8, FC9, da sauransu. Misali, a cikin akwatin 2850-3210K, kewayon flux daga mafi ƙanƙanta na lumens 150 (FC7 min) zuwa matsakaicin lumens 170 (FC8 max). Wannan yana ba masu ƙira damar zaɓar matakin haske da ya dace da buƙatun amfani nasu da manufofin farashi.

3.3 Binning na Wutar Gaba

An rarraba wutar gaba zuwa manya uku: R1, R2, da S1. Wannan yana taimakawa wajen ƙira hanyoyin wutar lantarki da masu tuƙi, saboda sanin kewayon Vf da ake tsammani yana ba da damar ingantaccen ingancin tuƙi da sarrafa thermal, musamman lokacin da ake amfani da LED da yawa a jere.

4. Bincike na Lanƙwasa Aiki

Yayin da aka ambaci takamaiman lanƙwasan zane a cikin takarda, tasirinsu yana da mahimmanci. Zanen Chromaticity na CIE yana wakiltar akwatunan launi da iyakokinsu a gani. Madaidaicin lanƙwasan halayen gani, waɗanda galibi sun haɗa da luminous flux mai alaƙa da gudun gaba da kuma da zazzabin junction, suna da mahimmanci don fahimtar aiki a ƙarƙashin yanayin da ba daidai ba. Misali, fitar da haske yana raguwa yayin da zazzabin junction ya ƙaru. Ya kamata masu ƙira su yi amfani da wannan bayanan don rage tsammanin aiki a cikin yanayi mai zafi.

5. Bayanin Injiniya da Kunshin

5.1 Girma da Tolerances

Girman jigon kunshin shine 3.0mm (tsayi) x 3.0mm (faɗi) x 0.65mm (tsayi). Sai dai in an ambata akasin haka, duk tolerances na girma ±0.05mm ne. An ba da cikakkun ra'ayoyi na sama, gefe, da na ƙasa don taimakawa wajen ƙira da duba ƙafar PCB.

5.2 Ganewar Polarity da Ƙirar Solder Pad

An yiwa anode (A, tabbatacce) da cathode (C, mara kyau) alama a bayyane a ƙasan kayan. An ba da shirin solder pad da aka ba da shawara (tsarin ƙasa) don tabbatar da samuwar haɗin solder daidai, haɗin lantarki mai aminci, da kyakkyawan canjin thermal yayin soldering reflow. Bin wannan tsarin yana da mahimmanci don yawan samarwa da amincin dogon lokaci.

6. Jagororin Soldering da Haɗawa

6.1 Profailin SMT Reflow Soldering

An ba da cikakkun umarni don soldering reflow SMT. Wannan ya haɗa da profailin zazzabi-lokaci da aka ba da shawara wanda galibi ya ƙunshi matakan dumama, jiƙa thermal, reflow, da sanyaya. Bin profailin da masana'anta suka ƙayyade yana da mahimmanci don hana girgizar thermal, wanda zai iya haifar da ɓarna ko fashewa a cikin kunshin LED, da kuma tabbatar da ɗanyen solder da kyau.

6.2 Kula da Handling da Ajiya

A matsayin na'urar mai hankali ga danshi (MSL Mataki 3), dole ne a adana LED a cikin yanayi mara danshi (yawanci<30°C/60%RH) kuma a yi amfani da su cikin takamaiman lokaci bayan an buɗe jakar shinge na danshi. Idan an wuce, ana buƙatar hanyar baking kafin reflow don hana popcorning (fashewar kunshin saboda saurin faɗaɗa tururi). Gabaɗayan kula da kariya sun haɗa da guje wa damuwa na injiniya, amfani da ayyukan ESD-aminci, da hana gurɓata saman gani.

7. Bayanin Kunshin da Oda

7.1 Ƙayyadaddun Kunshin

Ana kunna LED a cikin tef ɗin ɗaukar kaya mai hana wutar lantarki. An ƙayyade girmen aljihun tef ɗin ɗaukar kaya da reel (gami da diamita na hub, faɗin reel, da diamita na waje) don tabbatar da dacewa da kayan aikin ɗauka da sanyawa ta atomatik. Ƙayyadaddun fom ɗin lakabin yana cikakken bayanin bayanan da aka buga akan lakabin reel.

7.2 Kunshin Mai Tsawan Danshi da Akwati

Ana kunna reels a cikin jakunkunan shinge na danshi tare da desiccant da katin nuna danshi don kiyaye matakin MSL 3 yayin ajiya da jigilar kaya. Ana saka waɗannan jakunkunan a cikin akwatunan kati don jigilar kaya da handling mai yawa.

8. Aminci da Tabbatar da Inganci

Takarda tana nuni ga abubuwan gwajin aminci da yanayi, da ma'auni don yanke hukunci kan lalacewa. Yayin da ba a jera takamaiman gwaje-gwaje a cikin abin da aka ba da shi ba, gwaje-gwajen amincin LED na yau da kullun sun haɗa da zagayowar zazzabi, gwajin danshi, juriyar zafi na solder, da gwajin rayuwar aiki. Waɗannan gwaje-gwajen suna tabbatar da ƙarfin samfurin a ƙarƙashin yanayin filin da ake tsammani.

9. Shawarwari na Ƙira na Amfani

9.1 Abubuwan da za a Yi la'akari da Ƙira

Lokacin haɗa wannan LED, yi la'akari da waɗannan: Yi amfani da mai tuƙi mai ci gaba don tabbataccen fitar da haske da dogon rayuwa. Yi binciken sarrafa thermal ta amfani da juriyar thermal da aka bayar (10°C/W) don tabbatar da cewa zazzabin junction ya kasance ƙasa da 125°C. Zaɓi daidaitaccen CCT da akwatin flux don amfanin manufa don tabbatar da daidaiton gani. Ku bi shirin shimfidar solder pad da aka ba da shawara da profailin reflow da ƙarfi.

9.2 Kwatancen Fasaha da Fa'idodi

Idan aka kwatanta da kunshin da ba EMC ba, kayan EMC suna ba da mafi kyawun juriya ga zafi da radiation na UV, wanda ke haifar da mafi kyawun kula da lumen akan lokaci. Ƙafar 3030 tana ba da daidaiton ma'auni tsakanin fitar da haske da sararin allo, yana ba da haske mai girma fiye da ƙananan kunshin kamar 2835 yayin da ya fi ƙanƙanta fiye da manyan fitilun LED masu buƙatar heatsinks daban.

10. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)

Q: Ta yaya zan zaɓi tsakanin akwatunan CCT daban-daban?

A: Zaɓi dangane da "ɗumi" da ake so na farin haske. Ƙananan ƙimar Kelvin (misali, 27, 30) suna samar da farin haske mai ɗumi kama da kwararan fitila, wanda ya dace da hasken mahalli. Manyan ƙima (misali, 50, 65) suna samar da farin sanyi ko farin rana, galibi ana amfani da su don hasken aiki ko nunin.

Q: Wane gudun tuƙi ne ya kamata in yi amfani da shi?

A: An siffanta bayanan a 150mA. Yayin da matsakaicin cikakke shine 200mA, tuƙi a ko ƙasa da 150mA zai inganta inganci (lumens kowace watt) kuma yana ƙara haɓaka dogon rayuwa da aminci sosai ta hanyar rage zazzabin junction. Koyaushe ku koma ga lanƙwasan rage ƙima idan akwai.

Q: LED yana da juriyar thermal na 10°C/W. Menene wannan ke nufi ga ƙirar ta?

A> Yana nufin kowace watt na ƙarfi da ake ɓarna a cikin LED (Vf * If), junction zai zama 10°C mafi zafi fiye da zazzabin wurin solder. Dole ne ku ƙira shimfidar PCB kuma, idan ya cancanta, ku yi amfani da thermal vias ko allo na ƙarfe don kiyaye zazzabin wurin solder ya yi ƙasa sosai don TJ ya kasance ƙasa da 125°C.

11. Misalai na Amfani na Aiki

Misali 1: Hasken Panel na Cikin Gida:Jerin waɗannan LED, waɗanda aka bin su zuwa 4000K (Bin 40), za a iya amfani da su akan PCB mai goyon bayan aluminum don ƙirar hasken panel lebur. Faɗin kusurwar kallo yana tabbatar da haske daidai ba tare da wurare masu zafi ba. An saita mai tuƙi mai ci gaba zuwa 140mA kowane LED don ƙara tsawon rayuwa yayin da ake cimma manufar haske.

Misali 2: Mai Nuni na Masana'antu:LED guda ɗaya daga akwatin 6500K (Bin 65) na iya zama mai nuni na matsayi mai haske a kan kayan aikin sarrafa masana'antu. Kunshinsa na EMC mai ƙarfi yana jure manyan yanayin zafi na mahalli da yuwuwar gurɓata fiye da kunshin filastik.

12. Gabatarwar Ƙa'idar Fasaha

Wannan LED yana samar da farin haske ta hanyar aikin da ake kira jujjuyawar phosphor. Babban ɓangaren shine guntun semiconductor wanda ke fitar da haske shuɗi lokacin da wutar lantarki ta wuce ta. Wannan hasken shuɗi wani ɓangare yana sha da wani Layer na phosphor rawaya (wani lokacin ja) wanda aka ajiye kai tsaye akan ko kusa da guntu. Phosphor yana sake fitar da haske a tsayin raƙuman ruwa mafi tsayi (rawaya/ja). Haɗin sauran hasken shuɗi daga guntu da hasken rawaya/ja daga phosphor suna haɗuwa don samar da hasashen farin haske. Daidai rabon hasken shuɗi zuwa hasken da aka jujjuya phosphor yana ƙayyade zazzabin launi mai alaƙa (CCT) na fitarwa.

13. Trends da Mahallin Fasaha

Kunshin EMC 3030 yana wakiltar dandali mai girma kuma an yarda da shi sosai a cikin kasuwar LED mai matsakaicin ƙarfi. Trends masu ci gaba a wannan ɓangaren suna mayar da hankali kan ƙara ingancin haske (ƙarin lumens kowace watt), inganta ma'aunin nuna launi (CRI) da daidaiton launi (binning mai ƙarfi), da haɓaka amincin dogon lokaci (kula da lumen). Bugu da ƙari, akwai yunƙuri zuwa manyan yanayin zazzabi na junction da ingantaccen kunshin thermal don ba da damar manyan hanyoyin tuƙi a cikin ƙananan siffofi. Fasahar tana ci gaba da haɓakawa zuwa ƙarin ingantaccen tsarin phosphor da ƙirar guntu don tura iyakokin aiki da ingancin farashi.