Takardar Bayanin Fasaha ta ALFS2BD-C0PA07001L1-AM LED - Kunshin SMD na Ceramic - Farin Sanyi 5850K / PC Amber - 260 lm / 160 lm a 700mA - Nau'in Motoci

1. Bayyani Game da Samfur

ALFS2BD-C0PA07001L1-AM babban LED ne mai ƙwaƙƙwaran aiki, wanda aka ƙera musamman don aikace-aikacen hasken waje na motoci masu ƙarfi. Yana cikin jerin EL ALFS, yana da ƙarfin kunshin SMD na ceramic wanda ke tabbatar da ingantaccen sarrafa zafi da dogon aminci a cikin yanayi mai tsanani. Ana ba da na'urar a cikin zaɓuɓɓukan launi guda biyu daban-daban: nau'in Farin Sanyi tare da matsakaicin zafin launi na 5850K, da nau'in PC (Phosphor Converted) Amber. Manufofinsa na farko shine isar da babban fitarwa na haske, daidaitaccen aikin launi, da amintaccen aminci don ayyukan motoci masu mahimmanci na tsaro.

Babban fa'idodin wannan LED sun haɗa da bin ƙa'idar ingancin AEC-Q102 mai tsauri don semiconductors na optoelectronic a aikace-aikacen motoci. Wannan tsarin tabbatarwa yana tabbatar da aikin sashi da tsawon rayuwa a ƙarƙashin matsanancin zafin jiki, zafi, da damuwa na injina. Bugu da ƙari, samfurin yana bin ka'idojin RoHS, REACH, da ƙa'idodin rashin halogen, yana mai da shi dacewa da kasuwannin motoci na duniya tare da ƙuntatawar muhalli da kayan aiki. Ƙarfin sulfur dinsa siffa ce mai mahimmanci don aikace-aikacen da ke fuskantar gurɓataccen yanayi wanda zai iya lalata daidaitattun kunshin LED.

Kasuwarsa ta niyya ita ce motoci kawai, tare da mai da hankali kan na'urorin hasken waje. Halayen aikin sa an keɓance su don biyan buƙatun haske mai ƙarfi da aminci na tsarin hasken mota na zamani.

2. Bincike Mai zurfi na Sigogi na Fasaha

2.1 Halayen Hoto da Launi

Ana siffanta aikin LED a ƙarƙashin daidaitaccen gwajin na yanzu na 700mA. Sigar Farin Sanyi tana ba da matsakaicin ƙarfin haske na lumens 260 (lm), tare da mafi ƙanƙanta na 220 lm da matsakaicin 300 lm, yana la'akari da ƙimar samarwa. Siffar PC Amber tana ba da matsakaicin fitarwa na 160 lm, daga 120 lm zuwa 200 lm. Kusurwar kallo don duka launuka faɗi ce mai faɗin digiri 120, yana ba da tsarin rarraba haske mai faɗi da daidaito wanda ya dace da ayyukan sigina.

An ayyana ma'aunin launi daidai. Bambancin Farin Sanyi yana da kewayon zafin launi mai alaƙa (CCT) daga 5180K zuwa 6680K, wanda ya ta'allaka ne a kusa da matsakaicin 5850K. An ƙayyade launin sigar PC Amber ta hanyar madaidaitan CIE 1931: matsakaicin x = 0.57 da y = 0.42. Wannan yana sanya shi cikin yankin amber na sararin launi, wanda ke da mahimmanci don aikace-aikacen sigina na juyawa da fitilun ajiye motoci inda ƙa'idodin launi na musamman ke aiki.

2.2 Sigogi na Lantarki da Zafi

Matsakaicin ƙarfin lantarki (Vf) don LED Farin Sanyi a 700mA yawanci 3.35V ne, tare da kewayon daga 2.90V zuwa 3.80V. Vf na sigar PC Amber yana kama da wannan. Waɗannan sigogi suna da mahimmanci don ƙirar direba da sarrafa wutar lantarki. An ba da ƙimar juriya na zafi guda biyu masu mahimmanci: ainihin juriya na zafi (Rth JS real) daga haɗin semiconductor zuwa wurin solder yawanci 4.6 K/W ne (matsakaicin 9.0 K/W), yayin da juriya na zafi da aka samo ta hanyar lantarki (Rth JS el) yawanci 3.6 K/W ne (matsakaicin 8.0 K/W). Ƙananan ƙimar lantarki sau da yawa yana nuna aikin hanyar zafi a ƙarƙashin yanayin aiki, wanda yake da mahimmanci don hasashen zafin haɗin gwiwa da sarrafa kiyaye lumen.

2.3 Matsakaicin Ƙimar Cikakke

Waɗannan ƙimar suna ayyana iyakokin aiki waɗanda sama da su lalacewa na dindindin na iya faruwa. Manyan iyakoki sun haɗa da matsakaicin halin yanzu na gaba (IF) na 1500 mA, matsakaicin ɓarnawar wutar lantarki (Pd) na 5700 mW, da matsakaicin zafin haɗin gwiwa (Tj) na 150°C. An ƙididdige na'urar don kewayon zafin aiki (Topr) daga -40°C zuwa +125°C, yana tabbatar da dacewarta don yanayin motoci. Zai iya jure matakin ESD (Electrostatic Discharge) har zuwa 8 kV (Samfurin Jikin Mutum), yana haɓaka ƙarfin sarrafa sa. Matsakaicin zafin gogewar sake kunnawa shine 260°C, yana daidaitawa da daidaitattun hanyoyin haɗa PCB.

3. Binciken Lanƙwasa Aiki

3.1 Rarraba Bakan

Jadawalin da aka bayar yana nuna rarraba ƙarfin bakan dangi don duka LED Farin Sanyi da PC Amber a 700mA da 25°C. Bakan Farin Sanyi yana nuna babban fitarwa mai faɗi a yankin shuɗi daga guntun LED, haɗe da mafi faɗin fitarwa na phosphor rawaya, yana haifar da farin haske. Bakan PC Amber ya fi rinjaye da guda ɗaya, babban kololuwa a yankin rawaya-amber, sakamakon jujjuyawar phosphor, tare da ƙaramin ɓarkewar hasken shuɗi, wanda ya dace da buƙatun launin amber mai tsafta.

3.2 Dangantakar Halin Yanzu da Aiki

Jadawalin Halin Yanzu na Gaba da Ƙarfin Lantarki na Gaba yana nuna alaƙar ƙasa-da-layin, yawanci don LED. Jadawalin Ƙarfin Hasken Dangi da Halin Yanzu na Gaba yana nuna cewa fitarwar haske yana ƙaruwa tare da halin yanzu amma ya fara nuna alamun jikewa a manyan halayen yanzu (misali, sama da 1000mA), mai yiwuwa saboda ƙaruwar tasirin zafi da raguwar inganci. Jadawalin Canjin Madaidaitan Launi da Halin Yanzu na Gaba yana nuna ƙaramin canji a cikin madaidaitan launi (ΔCIE x, ΔCIE y) a cikin kewayon halin yanzu daga 300mA zuwa 1500mA, wanda ke da mahimmanci don kiyaye daidaitaccen fitarwa na launi a ƙarƙashin yanayin tuƙi daban-daban, kamar duhu.

3.3 Dogaro da Zafin Jiki

Jadawalin Ƙarfin Lantarki na Gaba na Dangi da Zafin Haɗin gwiwa yana nuna ƙimar zafin jiki mara kyau; ƙarfin lantarki na gaba yana raguwa a layi daya yayin da zafin haɗin gwiwa ya ƙaru, wanda shine daidaitaccen sifa na diodes na semiconductor. Jadawalin Ƙarfin Hasken Dangi da Zafin Haɗin gwiwa suna da mahimmanci don ƙirar zafi. Suna nuna cewa fitarwar haske tana raguwa yayin da zafin haɗin gwiwa ya tashi. Ga LED Farin Sanyi, fitarwa a 125°C kusan kashi 85-90% ne na fitarwarsa a 25°C. Siffar PC Amber tana nuna ɗan bambancin halayen kashe zafi. Don haka madaidaicin kashe zafi yana da mahimmanci don kiyaye haske. Jadawalin Canjin Madaidaitan Launi da Zafin Haɗin gwiwa yana nuna ƙananan motsi kaɗan, yana nuna kyakkyawan kwanciyar hankali na launi akan kewayon zafin aiki.

4. Bayanin Rarraba

Takardar bayanin ta ƙunshi sashe na musamman don bayanin rarraba (Sashe na 4 a cikin abubuwan), ko da yake ba a yi cikakken bayani game da ƙa'idodin rarraba (misali, kwandon ƙarfin haske, kwandon launi, kwandon Vf) a cikin abin da aka fitar ba. Don LED na nau'in motoci, rarraba yawanci yana da tsauri sosai. Ana rarraba abubuwan zuwa ƙungiyoyi masu ƙarfi bisa ga ƙarfin haske, ƙarfin lantarki na gaba, da madaidaitan launi (CIE x, y ko CCT da Duv don fari) don tabbatar da daidaito da daidaiton launi a cikin taron haske. Dole ne masu ƙira su tuntubi cikakken teburin rarraba don zaɓar suffix na lambar sashi da ya dace wanda ya dace da buƙatun daidaiton aikace-aikacen su na musamman.

5. Injiniya, Haɗawa, da Marufi

5.1 Girman Injiniya da Tsarin Kafet

Zanen injiniya (Sashe na 7) yana ayyana ainihin ƙafar jikin kunshin SMD na ceramic, gami da tsayi, faɗi, tsayi, da wurin kafet ɗin zafi da lambobin lantarki. An ba da shawarar tsarin kafet ɗin gogewa (Sashe na 8) don jagorantar ƙirar PCB. Wannan shimfidar yana da mahimmanci don tabbatar da ingantaccen samuwar haɗin gogewa, haɗin lantarki, da mafi mahimmanci, mafi kyawun canja wurin zafi daga kafet ɗin zafi na LED zuwa filin tagulla na PCB. Ƙirar kafet mara kyau na iya iyakance ɓarnawar zafi sosai, yana haifar da gazawa da wuri ko rage fitarwar haske.

5.2 Gogewar Sake Kunnawa da Sarrafawa

An ƙayyade bayanin gogewar sake kunnawa (Sashe na 9), tare da matsakaicin zafin jiki na 260°C. Yin bin wannan bayanin yana da mahimmanci don guje wa girgizar zafi ga kunshin ceramic da kayan haɗin guntun ciki. Sashen \"Precaution for Use\" (Sashe na 11) mai yiwuwa yana ƙunshe da mahimman umarnin sarrafawa, kamar matakin hankali na danshi (MSL 2 an lura a cikin siffofi), yanayin ajiya, da shawarwarin tsaftacewa. Ya kamata a koyi yadda za a bi ƙa'idodin ETS na yau da kullun yayin sarrafawa da haɗawa.

5.3 Marufi da Oda

Bayanin marufi (Sashe na 10) ya yi cikakken bayanin yadda ake samar da LED (misali, akan tef da reel), gami da girman reel da kusancin sashi. Bayanin oda da tsarin lambar sashi (Sashe na 5 & 6) sun bayyana yadda ake ɓata lambar sashi (ALFS2BD-C0PA07001L1-AM) don zaɓar daidaitaccen kwandon ƙarfin haske, launi, da sauran halaye na zaɓi don siyayya.

6. Jagororin Aikace-aikace da Abubuwan Ƙira

6.1 Aikace-aikacen Manufa

Manyan aikace-aikacen da aka jera sune Hasken Waje na Motoci, musamman Fitilun Gudanar da Rana (DRL) da Fitilun Juyawa. Don DRLs, babban ƙarfin haske da launin farin sanyi suna ba da babban gani. Don fitilun juyawa, launin PC Amber ya cika buƙatun ƙa'idodi don launin sigina na juyawa. Ƙarfin na'urar kuma ya sa ta dace da sauran ayyukan waje kamar fitilun matsayi ko fitilun haɗin baya.

6.2 Abubuwan Ƙira Masu Muhimmanci

• Gudanar da Zafi:Wannan shine mafi mahimmancin abu guda ɗaya. Matsakaicin juriya na zafi na ainihi na 4.6 K/W yana nufin cewa ga kowane watt da ya ɓace, haɗin gwiwa zai fi zafi 4.6°C fiye da wurin solder. A 700mA da matsakaicin Vf na 3.35V, ɓarnawar wutar lantarki kusan 2.35W ne. Wannan yana haifar da hauhawar zafin jiki kusan 10.8°C daga allon zuwa haɗin gwiwa, idan aka ɗauka cewa ingantaccen kashe zafi. Dole ne PCB ya sami ingantacciyar hanyar zafi (ta amfani da vias, manyan yadudduka na tagulla) don kiyaye zafin wurin solder ƙasa, yana tabbatar da haɗin gwiwar ya kasance ƙasa da matsakaicin 150°C, zai fi dacewa ƙasa da 110-120°C don dogon rayuwa.
• Halin Yanzu na Tuƙi:Duk da yake LED na iya bugun har zuwa 1500mA, shawarar wurin aiki don mafi kyawun inganci da tsawon rayuwa yana kusa da 700mA, kamar yadda aka yi amfani da shi don takamaiman ƙayyadaddun bayanai. Yin aiki a manyan halayen yanzu yana ƙara haɓakar zafi da yawa kuma yana haɓaka raguwar lumen.
• Ƙirar Gani:Kusurwar kallo na 120° tana buƙatar na'urorin gani na biyu (ruwan tabarau, masu nunawa) don siffata katakon don takamaiman aikace-aikace kamar DRLs ko sigina na juyawa. Dole ne tsarin gani ya yi la'akari da tsarin radiyon sararin samaniya na LED.
• Ƙirar Lantarki:Direban LED na yau da kullun dole ne don tabbatar da ingantaccen fitarwar haske da hana guduwar zafi. Ya kamata a ƙera direban don yin aiki a cikin cikakken kewayon ƙarfin lantarki na motoci (misali, 9V-16V tare da kariyar zubar da kaya).

7. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da daidaitattun kasuwanci ko ma LED na masana'antu, manyan bambance-bambancen wannan na'urar sune cancantar mota (AEC-Q102) da ƙarfin kayan aiki (juriya sulfur, mara halogen). Idan aka kwatanta da sauran LED na motoci, haɗin kunshin ceramic (mafi kyawun aikin zafi da aminci akan kunshin filastik) da babban fitarwa na ƙarfin haske a cikin farin da amber daga dandamali na kunshin ɗaya fa'ida ce mai mahimmanci. Yana sauƙaƙa lissafin kayan aiki don na'urorin haske waɗanda ke buƙatar duka launuka.

8. Tambayoyin da ake yawan yi (Bisa Bayanan Fasaha)

Q: Zan iya tuƙa wannan LED a 1000mA akai-akai?

A: Duk da yake matsakaicin ƙimar cikakke shine 1500mA, an ba da takamaiman bayanai a 700mA. Ci gaba da aiki a 1000mA zai haifar da ƙarin zafi sosai (~3.35W vs. ~2.35W). Wannan yana yiwuwa ne kawai tare da ingantaccen sarrafa zafi don kiyaye zafin haɗin gwiwa a cikin iyakoki masu aminci, kuma yana iya rage tsawon rayuwar LED. Dubi lanƙwasa raguwa.

Q: Ta yaya zan fassara ƙimar juriya na zafi daban-daban guda biyu (Real vs. Lantarki)?

A: \"Ainihin\" juriya na zafi (4.6 K/W) sau da yawa ana auna shi a ƙarƙashin takamaiman yanayin gwajin zafi. Hanyar \"lantarki\" (3.6 K/W) tana amfani da ƙarfin lantarki na gaba na LED a matsayin firikwensin zafi a ƙarƙashin yanayin aiki kuma yana iya wakiltar ƙimar aiki mai amfani. Don ƙira mai ra'ayin mazan jiya, ana ba da shawarar amfani da mafi girman ƙimar \"ainihi\" don ƙididdige hauhawar zafin jiki mafi munin yanayi.

Q: Shin ana buƙatar ruwan tabarau don aikace-aikacen sigina na juyawa?

A: I. LED da kansa yana da tsarin fitarwa mai kama da Lambertian na digiri 120. Sigina na juyawa yana buƙatar takamaiman tsarin katako da gani na kusurwa wanda ƙa'idodi suka ayyana (misali, ECE ko SAE). Na'urar gani ta biyu (ruwan tabarau) tana da mahimmanci don daidaita haske da siffata shi don cika waɗannan buƙatun ƙa'idodin photometric.

9: Nazarin Shari'ar Ƙira mai Amfani

Yanayi:Ƙirar ƙirar Fitilar Gudanar da Rana (DRL) ta amfani da sigar Farin Sanyi na wannan LED.

Mataki na 1 - Bukatun Gani:Ƙayyade ƙarfin haske da ake buƙata (candelas) a kusurwoyi daban-daban bisa ga ƙa'idar mota (misali, ECE R87).

Mataki na 2 - Ƙidaya LED & Tuƙi:Dangane da matsakaicin fitarwa na 260 lm na LED da ingancin tsarin gani da aka zaɓa, ƙididdige adadin LED da ake buƙata don cimma manufar ƙarfi. Yanke shawara kan halin yanzu na tuƙi (misali, 700mA).

Mataki na 3 - Ƙirar Zafi:Ƙididdige jimillar ɓarnawar wutar lantarki (Lambar LED * Vf * Halin yanzu). Ƙirar PCB mai tsakiya na ƙarfe ko daidaitaccen PCB tare da vias na zafi don cimma manufar zafin wurin solder (misali, 85°C) a cikin mafi munin yanayin yanayi (misali, 80°C na ɗakin injin). Yi amfani da juriya na zafi (Rth JS) don tabbatar da zafin haɗin gwiwar ya kasance ƙasa da 110°C.

Mataki na 4 - Ƙirar Lantarki:Zaɓi direban LED na yau da kullun wanda ya cancanta AEC-Q100 wanda zai iya samar da jimillar halin yanzu da ake buƙata, sarrafa kewayon ƙarfin lantarki na shigar da motoci, kuma ya haɗa da duhu PWM idan an buƙata don aiki (misali, duhu lokacin da fitilun kan hanya suke kunne).

Mataki na 5 - Tabbatarwa:Gina samfuri kuma auna fitarwar hoto, launi, da aikin zafi (zafin haɗin gwiwa ta hanyar Vf) a ƙarƙashin yanayin aiki mai zafi don tabbatar da ƙira.

10. Ka'idar Aiki da Trends na Fasaha

10.1 Ka'idar Aiki ta Asali

Wannan LED tushen haske ne mai ƙarfi wanda ya dogara da ilimin kimiyyar lantarki na semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba a cikin na'urar, electrons da ramuka suna sake haɗuwa a cikin yanki mai aiki na guntun semiconductor (yawanci bisa InGaN don fitarwa shuɗi), suna sakin makamashi a cikin nau'in photons (haske). Don sigar Farin Sanyi, wani ɓangare na hasken shuɗi yana sha ta hanyar shafi na phosphor (YAG:Ce ya zama ruwan dare), wanda ke sake fitar da shi azaman hasken rawaya mai faɗi. Haɗin sauran shuɗi da canza hasken rawaya ana ganinsa azaman fari. Don sigar PC Amber, ana amfani da wani tsari na phosphor daban don sha kusan duk hasken shuɗi kuma sake fitar da shi a cikin kewayon tsawon raƙuman ruwa na amber.

10.2 Trends na Masana'antu

Masana'antar hasken mota tana ci gaba da haɓakawa. Manyan abubuwan da ke tasiri na'urori kamar wannan LED sun haɗa da:

Ƙaruwar Haskaka da Ingantacciya:Bukatar ƙananan tushen haske masu haske don ba da damar ƙira mai kyau, mai salo.

Aiki Mai Ci Gaba:Haɗa ginshiƙan tuƙi masu daidaitawa (ADB) da haske mai ƙira, wanda zai iya tura sigogin gaba zuwa ƙananan tazara na pixel ko iyawar direba da aka haɗa.

Daidaituwar Launi:Sha'awar daidaitaccen farin haske don hasken ciki na yanayi, ko da yake fitilun waje suna ci gaba da ƙuntatawa sosai akan launi.

Ƙarfafa Aminci da Ƙarfi:Yayin da LED suka zama tushen haske kawai don ayyuka masu mahimmanci, buƙatun tsawon rayuwa da aiki a ƙarƙashin matsanancin yanayi (girgiza, zagayowar zafi, bayyanar sinadarai) suna ci gaba da ƙarfafawa, suna ƙarfafa buƙatar abubuwan da suka cancanta kamar wannan.