Takardar Bayanin Fasaha ta LED ELCH08-NF2025J5J8283910-FDH - Farin Dumi - 220lm a 1A - 3.9V Matsakaici - 6.45W Wutar Bugun Jini - Takardar Fasaha ta Turanci

1. Bayyani Game da Samfur

ELCH08-NF2025J5J8283910-FDH wata LED ce mai ƙarfi, mai hawa a saman, wacce aka ƙera don aikace-aikacen da ke buƙatar babban fitar da haske da inganci a cikin ƙaramin fakitin. Wannan na'urar tana amfani da fasahar guntu na InGaN don samar da hasken farin dumi tare da zafin launi mai alaƙa (CCT) daga 2000K zuwa 2500K. Babban manufarta shine samar da ingancin gani mai ƙarfi da aiki mai dogaro a cikin yanayi masu wahala.

1.1 Fa'idodi na Asali

Babban fa'idodin wannan LED sun haɗa da ƙaramin siffarta tare da ingantaccen haske, yana kaiwa har zuwa lumens 60 a kowace watt a lokacin tuƙin na'urar na Ampere 1. Tana ƙunshe da ƙaƙƙarfan kariyar ESD, wacce aka ƙididdige har zuwa 8KV bisa ga ma'aunin JEDEC 3b (Samfurin Jikin Mutum), yana haɓaka dorewarta yayin sarrafawa da haɗawa. Haka nan na'urar ta bi ka'idojin RoHS da buƙatun marasa gubar.

1.2 Aikace-aikacen da Ake Nufi

Wannan LED ta dace da aikace-aikace iri-iri. Babban fitar da ita ya sa ta zama kyakkyawa don walƙiyar kyamara da aikin fitila a cikin wayoyin hannu da na'urorin bidiyo na dijital. Hakanan ta dace da hasken gida na gabaɗaya, hasken baya na nuni na TFT, hasken ado, da kuma hasken motoci na ciki da na waje. Bugu da ƙari, ana iya amfani da ita a cikin hasken sigina da kuma shiryarwa, kamar don alamun fita ko alamomin mataki.

2. Bincike na Ma'auni na Fasaha

Wannan sashe yana ba da cikakken bayani, fassarar haƙiƙa game da mahimman ƙayyadaddun fasaha na na'urar kamar yadda aka ayyana a cikin matsakaicin ƙididdigenta da halayen lantarki da na gani.

2.1 Matsakaicin Matsakaicin Ƙididdiga

An ƙididdige na'urar don matsakaicin ci gaba na DC na gaba (Yanayin Fitila) na 350 mA. Don aikin bugun jini, tana iya ɗaukar matsakaicin bugun jini na 1500 mA a ƙarƙashin takamaiman sharuɗɗa: faɗin bugun jini na 400 ms, cikakken aiki na 10% (lokacin kashewa na 3600 ms), da kuma har zuwa zagaye 30,000. Matsakaicin zafin jiki da aka yarda shine 150°C, tare da kewayon zafin aiki daga -40°C zuwa +85°C. An ƙayyade watsawar wutar a yanayin bugun jini a 6.45 Watts. Yana da mahimmanci a lura cewa waɗannan su ne iyakoki na gaba ɗaya; ci gaba da aiki a ko kusa da waɗannan ƙimar na iya rage dogaro da tsawon rayuwa.

2.2 Halayen Lantarki da Na Gani

A ƙarƙashin yanayi na yau da kullun (Tsolder pad = 25°C, IF=1000mA, bugun jini na 50ms), na'urar tana ba da haske mai haske (Iv) na 220 lm (na yau da kullun), tare da mafi ƙarancin 180 lm. Ƙarfin lantarki na gaba (VF) ya bambanta daga mafi ƙarancin 2.85V zuwa matsakaicin 3.90V. Zafin launi mai alaƙa (CCT) don wannan takamaiman kwandon (2025) ya faɗo daga 2000K zuwa 2500K, yana ayyana kamanninsa na farin dumi. Duk bayanan lantarki da na gani ana auna su a ƙarƙashin yanayin bugun jini don rage tasirin dumama kai a lokacin gwaji.

2.3 Halayen Zafi

Gudanar da zafi daidai yana da mahimmanci don aiki da tsawon rayuwa. An ƙayyade matsakaicin zafin jiki (Ts) a matsayin 70°C lokacin aiki a 1000mA. Na'urar na iya jure zafin gudanarwa na 260°C har zuwa matsakaicin zagaye 3 na sake kunnawa. Dole ne masu ƙira su tabbatar da isasshen zafi, musamman lokacin aiki kusa da matsakaicin igiyoyin ruwa, don kiyaye zafin gudanarwa a cikin iyakoki masu aminci da hana saurin raguwar lumen.

3. Bayanin Tsarin Rarraba

Ana rarraba LED zuwa kwandon bisa mahimman ma'auni guda uku: hasken haske, ƙarfin lantarki na gaba, da launi (ma'auni na launi). Wannan yana tabbatar da daidaito a aikace-aikace.

3.1 Rarraba Haske Mai Haske

An rarraba hasken haske zuwa kwandon da aka nuna da lambobin J. Lambar sashi na samfurin yana nuna kwandon J5, wanda yayi daidai da kewayon hasken haske na 180 lm zuwa 200 lm a 1000mA. Sauran kwandon da ake samu sun haɗa da J6 (200-250 lm), J7 (250-300 lm), da J8 (300-330 lm).

3.2 Rarraba Ƙarfin Lantarki na Gaba

An rarraba ƙarfin lantarki na gaba don taimakawa wajen ƙira na'urar don tuƙi mai daidaitaccen halin yanzu. An ayyana kwandon kamar haka: 2832 (2.85V - 3.25V), 3235 (3.25V - 3.55V), da 3538 (3.55V - 3.90V). Lambar sashi ta ƙayyade kwandon 2832.

3.3 Rarraba Launi

An ayyana launin ta hanyar kwandon 2025 akan zanen launi na CIE 1931. Wannan kwandon ya ƙunshi takamaiman yanki mai siffar huɗu na ma'auni na launi (x, y) wanda ke samar da haske a cikin kewayon CCT na 2000K zuwa 2500K, yana tabbatar da daidaitaccen launin farin dumi. Tolerancin auna ma'aunin launi shine ±0.01.

4. Bincike na Lanƙwasa Aiki

Bayanan hoto suna ba da haske game da halayen na'urar a ƙarƙashin yanayi daban-daban.

4.1 Ƙarfin Lantarki na Gaba da Halin Yanzu na Gaba (Lanƙwasa IV)

Lanƙwasa IV yana nuna alaƙar tsakanin halin yanzu na gaba da ƙarfin lantarki na gaba. Yayin da halin yanzu ya karu daga 0 zuwa 1500mA, ƙarfin lantarki na gaba yana tashi ba bisa ka'ida ba, yana farawa daga kusan 2.6V kuma ya kai kusa da 3.8V. Wannan lanƙwasa yana da mahimmanci don ƙirar daidaitaccen na'urar iyakance halin yanzu.

4.2 Dangantakar Haske Mai Haske da Halin Yanzu na Gaba

Wannan lanƙwasa yana nuna dogaron fitar da haske akan tuƙin tuƙi. Haske mai haske yana ƙaruwa tare da halin yanzu amma yana nuna yanayin ƙasa-ƙasa a manyan igiyoyin ruwa, musamman saboda ƙaruwar zafin jiki da raguwar inganci. An daidaita fitarwa, yana nuna alaƙar haske.

4.3 Zafin Launi Mai Alaƙa da Halin Yanzu na Gaba

CCT yana nuna bambanci tare da tuƙin tuƙi. Ga wannan LED farin dumi, CCT gabaɗaya yana ƙaruwa kaɗan tare da mafi girman halin yanzu, yana motsawa daga kusan 2000K a ƙananan halin yanzu zuwa 2500K a 1500mA. Dole ne a yi la'akari da wannan canji a cikin aikace-aikacen da ke da mahimmanci na launi.

4.4 Rarraba Siffa

Zanen rarraba ƙarfin siffa mai alaƙa yana nuna babban bakan fitarwa na halayen LED farin da aka canza. Yana da babban kololuwar shuɗi daga guntun InGaN da kuma mafi faɗin bandeji na fitarwa rawaya/ja daga ma'adini, wanda ya haɗu don ƙirƙirar hasken farin dumi.

4.5 Tsarin Radiation

Matsakaicin tsarin radiation na polar yana nuna rarraba kamar na Lambertian, tare da cikakken kusurwar kallo (2θ1/2) na digiri 120. Ƙarfin yana daidai gwargwado a faɗin yanki mai faɗi, yana sa ya dace da aikace-aikacen da ke buƙatar haske mai faɗi.

5. Bayanin Injiniya da Fakitin

Ana ba da LED a cikin fakitin na'urar hawa a saman (SMD). Zanen fakitin yana ƙayyade ma'auni na zahiri, waɗanda ke da mahimmanci don ƙirar sawun PCB. Muhimman siffofi sun haɗa da wuraren gudanarwa na anode da cathode da kuma jigon fakitin gabaɗaya. Tolerancin ma'auni yawanci ±0.1mm sai dai idan an lura daban. An yiwa alama a sarari akan fakitin da kuma tef ɗin ɗaukar kaya don tabbatar da daidaitaccen alkibla yayin haɗawa ta atomatik.

6. Jagororin Gyarawa da Haɗawa

An ƙididdige na'urar don sake gyarawa tare da matsakaicin zafin jiki na 260°C. An rarraba shi azaman Matsakaicin Matsakaicin Danshi (MSL) 1, ma'ana yana da tsawon rayuwa mara iyaka a yanayin ≤30°C/85% RH kuma baya buƙatar gasa kafin amfani idan an kiyaye shi a cikin waɗannan yanayi. Duk da haka, idan an fallasa shi zuwa mafi girman zafi, dole ne a gasa shi bisa ga ma'aunin 85°C/85% RH na sa'o'i 168 kafin shirya shi. An yarda da matsakaicin zagaye 3 na sake kunnawa. Yana da mahimmanci a bi shawarar gyarawa da aka ba da shawara don hana lalacewar zafi ga LED die ko fakitin filastik.

7. Bayanin Fakitin da Oda

Ana ba da LEDs akan tef ɗin ɗaukar kaya don haɗawa ta atomatik. Kowane reel yana ɗauke da guda 2000. Alamar samfurin akan reel ya haɗa da mahimman bayanai: lambar sashi na abokin ciniki (CPN), lambar sashi na masana'anta (P/N), lambar kuri'a, adadin shiryawa, da takamaiman lambobin kwandon don hasken haske (CAT), launi (HUE), da ƙarfin lantarki na gaba (REF). Hakanan ana nuna matakin MSL.

8. Shawarwari na Aikace-aikace

8.1 Abubuwan da Ake Yi la'akari da su na Ƙira

Lokacin ƙira tare da wannan LED, sarrafa zafi yana da mahimmanci. Yi amfani da PCB tare da isassun hanyoyin zafi kuma, idan ya cancanta, heatsink na waje don kiyaye zafin gudanarwa ƙasa da 70°C yayin aiki. Don tuƙi LED, ana ba da shawarar tushen halin yanzu don tabbatar da tsayayyen fitar da haske da launi. Yi la'akari da rarraba ƙarfin lantarki na gaba lokacin ƙirar na'urar tuƙi don ɗaukar kewayon ƙarfin lantarki. Don kariyar ESD, ko da yake LED tana da kariya ta gida, ƙarin kariya a matakin na'urar akan PCB yana da kyau a cikin yanayi masu wahala.

8.2 Tsarin Na'urar Na Yau da Kullun

Sauƙaƙan na'urar tuƙi ya ƙunshi wutar lantarki ta DC, resistor mai iyakance halin yanzu, ko takamaiman IC mai tuƙi LED. Don aikin bugun jini mai ƙarfi (misali, walƙiyar kyamara), ana amfani da na'urar haɓaka ta capacitor ko takamaiman IC mai tuƙi walƙiya don isar da takamaiman matsakaicin halin yanzu.

9. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da matsakaicin ƙarfin LED na tsakiya, wannan na'urar tana ba da mafi girman hasken haske don girman fakitinta, yana sa ta dace da aikace-aikacen da ke buƙatar haske mai haske a cikin ƙuntataccen sarari. Matsakaicin ƙimar kariyar ESD (8KV HBM) yana ba da fa'ida a cikin aikace-aikacen da ke da saurin fitar da tsaye. Takamaiman kwandon CCT na farin dumi (2000-2500K) yana nufin aikace-aikacen da ke buƙatar ingancin haske mai dadi, kamar na incandescent, yana bambanta shi da LED farin tsaka-tsaki ko sanyi.

10. Tambayoyin da Ake Yawan Yi (Bisa Ma'auni na Fasaha)

Q: Menene bambanci tsakanin ƙimar halin yanzu na DC na gaba da matsakaicin halin yanzu na bugun jini?

A: Halin yanzu na DC na gaba (350mA) shine matsakaicin halin yanzu da za'a iya amfani da shi akai-akai. Matsakaicin halin yanzu na bugun jini (1500mA) shine mafi girman halin yanzu wanda za'a iya amfani da shi kawai don gajeren lokaci (400ms) tare da ƙananan cikakken aiki (10%) don hana yin zafi sosai.

Q: Ta yaya zafin jiki ke shafar aiki?

A: Mafi girman zafin jiki yana haifar da raguwar fitar da haske (raguwar lumen), canji a cikin ƙarfin lantarki na gaba, kuma yana iya haɓaka tsarin tsufa na LED, yana rage tsawon rayuwarsa na aiki. Kiyaye ƙaramin hanyar juriya na zafi daga haɗin LED zuwa yanayi yana da mahimmanci.

Q: Menene ma'anar kwandon J5 ga aikace-aikacena?

A: Kwandon J5 yana tabbatar da cewa fitar da hasken LED zai kasance tsakanin 180 zuwa 200 lumens lokacin da aka tuƙa shi a 1000mA ƙarƙashin yanayin gwaji. Wannan yana ba masu ƙira damar yin hasashe da tsara mafi ƙarancin matakin haske a cikin tsarin su.

Q: Shin ana buƙatar heatsink?

A> Don aiki a matsakaicin ci gaba na halin yanzu (350mA) ko musamman a yanayin bugun jini mai ƙarfi, ana ba da shawarar sosai heatsink ko PCB tare da ingantaccen watsa zafi don kiyaye aiki mai dogaro da tsawon rai.

11. Misalan Amfani na Aiki

Harka 1: Walƙiyar Kyamara ta Wayar Hannu:A cikin wannan aikace-aikace, LED yana tuƙi ta takamaiman IC mai tuƙi walƙiya wanda ke cajin capacitor sannan ya fitar da shi ta cikin LED a cikin gajeren bugun jini mai ƙarfi (har zuwa 1500mA). Babban hasken haske a cikin ƙaramin fakitin yana da mahimmanci. Mayar da hankali kan ƙira shine sarrafa ɗan gajeren bugun jini mai ƙarfi da kuma tabbatar da ƙarfin ESD.

Harka 2: Hasken Mataki na Gine-gine:A nan, ana iya amfani da LED da yawa a cikin jeri na layi, ana tuƙa su a ƙasa, tsayayyen halin yanzu (misali, 200-300mA) don ci gaba da aiki. Faɗin kusurwar kallo na digiri 120 yana ba da haske daidai gwargwado a kan matakai. Launin farin dumi yana haifar da yanayi maraba. An fi mayar da hankali kan ƙira shine samun daidaitaccen haske da launi a duk LEDs a cikin jeri, ta amfani da ƙaƙƙarfan rarraba.

12. Ka'idar Aiki

Wannan LED farin da aka canza ne. Asalinsa shine guntun semiconductor da aka yi da Indium Gallium Nitride (InGaN) wanda ke fitar da hasken shuɗi lokacin da wutar lantarki ta wuce ta. Wannan hasken shuɗi yana buga wani Layer na kayan ma'adini (yawanci YAG:Ce ko makamantansu) da aka ajiye a kansa ko kusa da guntun. Ma'adini yana ɗaukar wani ɓangare na hasken shuɗi kuma ya sake fitar da shi azaman hasken rawaya da ja. Haɗin sauran hasken shuɗi da canza hasken rawaya/ja idon ɗan adam yana ganinsa azaman farin haske. Daidaitaccen rabo na shuɗi zuwa fitarwa rawaya/ja, wanda aka sarrafa ta hanyar abun da ke ciki da kauri na ma'adini, yana ƙayyade zafin launi mai alaƙa (CCT), yana haifar da fitar da farin dumi na wannan na'urar.

13. Trends na Fasaha

Gabaɗayan yanayin fasahar LED yana zuwa ga ingantaccen inganci (lumens a kowace watt), ingantaccen bayyana launi, da mafi girman dogaro a manyan yawan wutar lantarki. Ga LED farin dumi, ana ci gaba da ci gaba a cikin fasahar ma'adini don cimma mafi girman inganci da mafi kyawun aikin launi akan zafin jiki da lokaci. Fasahar fakitin tana ci gaba da haɓaka don sarrafa fitar da zafi daga ƙananan fakitin, yana ba da damar mafi girman yawan haske. Bugu da ƙari, ana mai da hankali kan inganta daidaito da rage yaduwar rarraba ta hanyar ci-gaba da hanyoyin masana'antu, wanda ke sauƙaƙa ƙira ga masana'antun haske.