Takardar Bayanin LED Fari 7070 - Kunshin 7.0x7.0x0.8mm - Ƙarfin Gaba 37.7V - Wutar Lantarki 10.6W - Takardar Fasaha ta Hausa

1. Bayanin Samfur

Wannan takarda ta cika bayanin ƙayyadaddun bayanai don jerin T7C na manyan fitilun haske na LED fari a cikin kunshin 7070. An ƙera wannan samfurin don aikace-aikacen hasken gabaɗaya da na gini waɗanda ke buƙatar fitar da haske mai ƙarfi da aminci.

1.1 Fa'idodi na Asali

LED ɗin yana da ƙirar kunshi mai ƙarfafa zafi, wanda ke da mahimmanci don sarrafa zafi a aikace-aikacen manyan wutar lantarki, don haka yana inganta tsawon rayuwa da kiyaye fitar da haske akai-akai. Yana ba da fitar da haske mai yawa kuma yana iya aiki a manyan igiyoyin gaba. Kunshin yana da ƙanƙanta tare da faɗin kusurwar kallo, wanda ya sa ya dace da nau'ikan fitilun haske daban-daban. Ya dace da hanyoyin haɗa reflow marasa gubar (Pb-free) kuma an ƙera shi don bin ka'idojin muhalli na RoHS.

1.2 Aikace-aikacen Da Ake Nufi

• Fitilun haske na cikin gida.
• Fitilun maye gurbin don maye gurbin fitilun gargajiya.
• Dalilai na hasken gabaɗaya.
• Hasken gini da na ado.

2. Binciken Ma'auni na Fasaha

2.1 Halayen Lantarki da Na Gani

Ana auna babban aikin lantarki da na gani a igiyar gaba (IF) na 280mA da zafin haɗuwa (Tj) na 25°C. Ƙarfin haske yana bambanta tare da daidaitaccen zafin launi (CCT). Don CCT na 2700K tare da Ma'auni na Nuna Launi (CRI ko Ra) na 80, matsakaicin ƙarfin haske shine 1160 lumens (lm), tare da mafi ƙarancin 1000 lm. Don CCT daga 3000K zuwa 6500K (Ra80), matsakaicin ƙarfin haske shine 1300 lm, tare da mafi ƙarancin 1100-1200 lm dangane da CCT. Iyakar aunin ƙarfin haske shine ±7%, kuma don aunin CRI, shine ±2.

2.2 Iyakar Ma'auni Mafi Girma

Waɗannan ma'auni suna bayyana iyakokin da wucewa da su zai iya haifar da lalacewa na dindindin ga na'urar. Matsakaicin igiyar gaba (IF) shine 350 mA. Igilar gaba ta bugun jini (IFP) na iya kaiwa 525 mA a ƙarƙashin takamaiman sharuɗɗa (faɗin bugun ≤100μs, zagayowar aiki ≤1/10). Matsakaicin ɓarnawar wutar lantarki (PD) shine 14000 mW. Ƙarfin baya (VR) bai kamata ya wuce 5 V ba. Kewayon zafin aiki (Topr) daga -40°C zuwa +105°C. Kewayon zafin ajiya (Tstg) daga -40°C zuwa +85°C. Matsakaicin zafin haɗuwa (Tj) shine 120°C. Zafin haɗawa (Tsld) don reflow an ƙayyade shi azaman 230°C ko 260°C na matsakaicin dakika 10.

2.3 Halayen Lantarki / Na Gani

A ƙarƙashin yanayin gwaji na yau da kullun (Tj=25°C), matsakaicin ƙarfin gaba (VF) a 280mA shine 37.7V, tare da kewayon daga 36V (m) zuwa 40V (m) da iyakar ±3%. Igilar baya (IR) shine matsakaicin 10 μA a 5V na baya. Kusurwar kallo (2θ1/2), wanda aka ayyana shi azaman cikakken kusurwar inda ƙarfi ya faɗi zuwa rabin kololuwar, yawanci shine 120°. Juriya na zafi daga haɗuwa zuwa wurin haɗawa (Rth j-sp) yawanci shine 1.8 °C/W. Na'urar tana da ƙarfin jurewa na fitar da lantarki mai tashin hankali (ESD) na 1000V (Samfurin Jikin Mutum).

3. Bayanin Tsarin Rarrabawa

3.1 Tsarin Lambar Sashi

Lambar sashi tana bin tsari: T [X1][X2][X3][X4][X5][X6] – [X7][X8][X9][X10]. Maɓallin lambobi sun haɗa da: X1 (Lambar Nau'i: 7C don kunshin 7070), X2 (Lambar CCT: misali, 27 don 2700K, 30 don 3000K), X3 (Nuna Launi: 8 don Ra80), X4 (Adadin guntu na jeri), X5 (Adadin guntu na layi daya), X6 (Lambar kayan aiki), X7 (Lambar Launi: misali, R don ma'aunin ANSI na 85°C).

3.2 Rarrabawar Ƙarfin Hasken

Ana rarraba LED ɗin cikin rukunoni na ƙarfin haske. Misali, don LED 4000K, Ra80, rukunin 3C ya ƙunshi 1200-1300 lm, rukunin 3D ya ƙunshi 1300-1400 lm, kuma rukunin 3E ya ƙunshi 1400-1500 lm. Akwai irin wannan rarrabawa don sauran CCT, yana ba da damar zaɓi bisa matakan haske da ake buƙata.

3.3 Rarrabawar Ƙarfin Gaba

Ana kuma rarraba ƙarfin gaba. Lambar 6L ta ƙunshi kewayon VF na 36-38V, kuma lambar 6M ta ƙunshi 38-40V, duka a IF=280mA.

3.4 Rarrabawar Launi

Daidaituwar launi an ayyana shi ta hanyar ellipses na MacAdam mataki 5 akan zanen launi na CIE. Takardar tana ba da daidaitattun ma'auni na tsakiya (x, y) a 25°C da 85°C, tare da sigogin ellipse (a, b, Φ) don CCT daban-daban (27R5 don 2700K, 30R5 don 3000K, da sauransu), yana nuna ƙaƙƙarfan sarrafa launi. Ana amfani da rarrabawar Energy Star don CCT tsakanin 2600K da 7000K. Iyakar don ma'auni na launi shine ±0.005.

4. Binciken Lanƙwasa Aiki

Takardar bayanin tana nuni zuwa wasu mahimman zane-zane na aiki (Hoto 1 zuwa Hoto 6). Waɗannan yawanci suna kwatanta alaƙa tsakanin sigogin aiki da aikin na'urar.Hoto 1: Bakan Launiyana nuna rarraba ƙarfin bakan a 25°C.Hoto 2: Rarraba Kusurwar Kalloyana kwatanta tsarin radiyo na sarari.Hoto 3: Igilar Gaba vs. Ƙarfin Dangiyana nuna yadda fitar da haske ke canzawa tare da igiyar tuƙi.Hoto 4: Igilar Gaba vs. Ƙarfin Gabashine lanƙwasa halayen IV.Hoto 5: Yanayin Yanayi vs. Ƙarfin Hasken Dangiyana kwatanta raguwar zafi na fitar da haske.Hoto 6: Yanayin Yanayi vs. Ƙarfin Gaba na Dangiyana nuna yadda ƙarfin gaba ke canzawa tare da zafin jiki. Waɗannan lanƙwasan suna da mahimmanci don ƙirar da'ira da sarrafa zafi.

5. Bayanin Injiniya da Kunshi

5.1 Girman Kunshi

LED ɗin yana amfani da kunshin na'urar haɗawa ta saman (SMD) 7070. Matsakaicin girma shine 7.00 mm tsayi da faɗi. Tsayin kunshi shine 0.80 mm. Takardar ta haɗa da cikakken zanen girma wanda ke nuna tsarin fakitin, tare da fakitin anode biyu da fakitin cathode biyu don tsarin guntu na ciki na jeri 2, layi daya 2. Mahimman girmen fakitin sun haɗa da faɗin 2.80 mm da tazara. An yiwa alamar polarity a fili. Sai dai in an faɗi akasin haka, iyakar girma shine ±0.1 mm.

6. Jagororin Haɗawa da Haɗawa

6.1 Bayanin Haɗa Reflow

An ba da cikakken bayanin haɗa reflow don tabbatar da ingantaccen haɗawa ba tare da lalata LED ɗin ba. Mahimman sigogi sun haɗa da: Dumama daga 150°C zuwa 200°C sama da dakika 60-120. Matsakaicin ƙimar hawa zuwa zafin kololuwa shine 3°C/daƙiƙa. Lokacin da ya wuce zafin ruwa (TL=217°C) ya kamata ya zama dakika 60-150. Matsakaicin zafin jikin kunshi (Tp) bai kamata ya wuce 260°C ba. Lokacin cikin 5°C na wannan zafin kololuwa (tp) ya kamata ya zama matsakaicin dakika 30. Matsakaicin ƙimar saukowa shine 6°C/daƙiƙa. Jimlar lokaci daga 25°C zuwa zafin kololuwa bai kamata ya wuce mintuna 8 ba.

7. Bayanan Aikace-aikace da Abubuwan Ƙira

7.1 Gudanar da Zafi

Ganin babban ɓarnawar wutar lantarki (har zuwa 10.6W a 280mA, 37.7V), ingantaccen sarrafa zafi yana da mahimmanci. Ƙarancin juriya na zafi (1.8 °C/W) yana da fa'ida amma yana buƙatar ingantaccen allon da'ira mai ƙarfe na cibiya (MCPCB) ko wasu hanyoyin sanyaya don kiyaye zafin haɗuwa cikin iyakoki masu aminci, musamman la'akari da raguwar ƙarfin haske tare da zafin jiki (Hoto 5). Wucewa da matsakaicin zafin haɗuwa (120°C) zai rage tsawon rayuwa da aminci sosai.

7.2 Abubuwan Ƙira na Tuƙin Lantarki

Ya kamata a tuƙi LED ɗin tare da tushen igiyar akai-akai, ba tushen ƙarfin akai-akai ba, saboda alaƙar IV mai ma'ana (Hoto 4). Dole ne direban ya kasance mai ƙima don babban ƙarfin gaba (yawanci 37.7V). Dole ne a yi hankali don guje wa ƙararraki na ƙarfi ko baya mai wucewa 5V. Ƙarfin igilar bugun jini yana ba da damar yin duhu ta hanyar canza faɗin bugun jini (PWM), amma dole ne a kiyaye ƙayyadaddun zagayowar aiki da iyakokin faɗin bugun jini.

7.3 Ƙira ta Gani

Faɗin kusurwar kallo na 120° ya sa wannan LED ya dace da aikace-aikacen da ke buƙatar haske mai faɗi, daidai ba tare da na'urorin gani na biyu ba. Don igiyoyin da aka mayar da hankali, za a buƙaci ruwan tabarau ko masu nunawa masu dacewa. Masu ƙira ya kamata su yi la'akari da zaɓin rarrabawa (ƙarfin haske, CCT, Vf) don tabbatar da daidaito a cikin haske da launi na samfurin ƙarshe.

8. Tambayoyin da Ake Yawan Yi (Dangane da Ma'auni na Fasaha)

8.1 Menene ainihin amfani da wutar lantarki?

A matsakaicin wurin aiki na 280mA da 37.7V, shigar da wutar lantarki shine kusan Watts 10.56 (0.28A * 37.7V). Yi ƙira da wutar lantarki da tsarin zafi daidai.

8.2 Ta yaya zan zaɓi rukunin da ya dace?

Zaɓi rukunin CCT (X2) bisa ga launin hasken da ake so (fari mai dumi, fari mai sanyi, da sauransu). Zaɓi rukunin ƙarfin haske (misali, 3C, 3D) bisa ga matakin fitar da hasken da ake buƙata don aikace-aikacenku. Rukunin ƙarfin lantarki (6L, 6M) na iya zama mahimmanci don ƙirar direba, musamman a cikin jerin LED da yawa, don tabbatar da daidaitawar igiyar.

8.3 Zan iya tuƙa shi a matsakaicin igiyar gaba na 350mA?

Ko da yana yiwuwa, tuƙawa a matsakaicin ma'auni zai haifar da ƙarin zafi (kusan 13.2W, ana ɗauka VF~37.7V), yana tura zafin haɗuwa sama da haka kuma yana haɓaka raguwar lumen. Gabaɗaya ana ba da shawarar yin aiki a ƙasa da matsakaicin ma'auni, watakila a igiyar gwaji na 280mA, don mafi kyawun tsawon rayuwa da aminci, sai dai idan ƙirar zafi ta yi ƙarfi sosai.

8.4 Me ake nufi da \"Aikace-aikacen Haɗa Reflow maras Gubar\"?

Yana nufin kayan da aka yi amfani da su a cikin kunshin LED sun dace da hanyoyin haɗa masu zafi waɗanda ke amfani da gawa marasa gubar, waɗanda galibi suna da mafi girman wuraren narkewa fiye da gawar tagulla ta gargajiya. Bayanin reflow da aka bayar an ƙera shi don irin waɗannan hanyoyin.

9. Ka'idojin Fasaha da Trends

9.1 Ka'idar Aiki

LED fari yawanci yana amfani da guntu na semiconductor na indium gallium nitride (InGaN) mai fitar da shuɗi. Wani ɓangare na hasken shuɗi ana canza shi zuwa tsayin raƙuman ruwa (rawaya, ja) ta hanyar Layer na phosphor da ke rufe guntu. Haɗuwar shuɗi da hasken da aka canza idon ɗan adam yana ganinsa azaman fari. Daidaitaccen zafin launi (CCT) da ma'auni na nuna launi (CRI) ana sarrafa su ta hanyar abun da ke ciki da taro na phosphor.

9.2 Trends na Masana'antu

Masana'antar hasken tana ci gaba da buƙatar ingantaccen inganci (lumens kowace watt), ingantaccen ingancin launi (mafi girman CRI, mafi kyawun R9 don nuna ja), da ƙarin aminci. Kunshi kamar 7070 wani ɓangare ne na yanayin zuwa daidaitattun, manyan LED na SMD waɗanda ke ba da kyakkyawan aikin zafi da sauƙaƙe masana'antu idan aka kwatanta da tsofaffin hanyoyin haɗa ta cikin rami ko COB (Chip-on-Board) don wasu aikace-aikace. Hakanan ana mayar da hankali kan daidaitaccen rarrabawa da ƙaƙƙarfan iyakoki don tabbatar da daidaiton launi da haske a cikin fitilun da aka gama.