Teburin Abubuwan Ciki
- 1. Bayyani Game da Samfur
- 2. Zurfin Fassarar Manufa na Ma'auni na Fasaha
- 2.1 Halayen Haske da Launi
- 2.2 Ma'auni na Lantarki
- 2.3 Halayen Zafi
- 3. Bayanin Tsarin Rarraba (Binning)
- 3.1 Rarraba Tsawon Raɗaɗi/Zazzabin Launi
- 3.2 Rarraba Ƙarfin Haske (Luminous Flux)
- 3.3 Rarraba Ƙarfin Lantarki na Gaba (Forward Voltage)
- 4. Bincike akan Lankwasa Ayyuka
- 4.1 Lankwasa Halayen Ƙarfin Lantarki da Wutar Lantarki (I-V)
- 4.2 Dogaro da Zafin Jiki
- 4.3 Rarraba Ƙarfin Haske a cikin Bakan (Spectral Power Distribution)
- 5. Bayanan Injiniya da Kunshewa
- 6. Jagororin Solder da Haɗawa
- 7. Bayanan Kunshewa da Oda
- 8. Bayanan Aikace-aikace
- 9. Kwatancen Fasaha
- 10. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)
- 11. Misalin Amfani a Aikace
- 12. Ka'idar Aiki
- 13. Trends na Ci Gaba
1. Bayyani Game da Samfur
Wannan takardar fasaha tana ba da cikakken bayani game da sarrafa rayuwa da tarihin sake dubawa na wani kayan lantarki na musamman, mai yiwuwa LED ko na'urar haske mai alaƙa. Babban abin da aka fi mayar da hankali a kai shi ne kafa matsayi na yau da kullun da ingancin ƙayyadaddun bayanan da aka rubuta. Babban aikin takardar shi ne zama cikakkiyar ma'ana don ingantaccen bayanan fasaha na kayan a wani takamaiman lokaci a cikin zagayowar ci gaba da samarwa.
Babban fa'idar wannan takardun yana cikin bayyanarsa da dorewa. Ta hanyar ayyana takamaiman sake dubawa da bayyana "Lokacin Ƙarewa: Har Abada," yana tabbatar da cewa ma'auni na fasaha da ke ciki suna da ƙayyadaddun bayanai kuma ana iya gano su don wannan sigar ta musamman na kayan. Wannan yana da mahimmanci don ƙira, tabbatar da inganci, da sarrafa sarkar samarwa na dogon lokaci, yana ba injiniyoyi da ƙwararrun sayayya wurin tunani mai ƙarfi.
Kasuwannin da aka yi niyya don irin wannan kayan da aka rubuta sun haɗa da masana'antun kayan haske, na'urorin lantarki na masu amfani, tsarin hasken motoci, da kayan aikin masana'antu inda ake buƙatar aikin kayan da ya dace kuma ya dogara. Takardun yana goyan bayan aikace-aikacen da ke buƙatar samun kayan abu mai ƙarfi da yanayin fasaha mai hasashe a tsawon rayuwar samfurin.
2. Zurfin Fassarar Manufa na Ma'auni na Fasaha
Duk da cewa ɓangaren PDF da aka bayar yana iyakance ga bayanan rayuwa, cikakken takardar bayanan fasaha don kayan LED yawanci zai haɗa da waɗannan ƙungiyoyin ma'auni, waɗanda aka yi bincike mai mahimmanci a ƙasa.
2.1 Halayen Haske da Launi
Ma'auni na photometric suna ayyana fitowar haske na na'urar. Manyan ƙayyadaddun bayanai sun haɗa da Ƙarfin Haske (Luminous Flux), wanda aka auna a cikin lumens (lm), wanda ke ƙididdige ƙarfin haske da ake gani. Zazzabin Launi mai alaƙa (CCT), wanda aka auna a Kelvin (K), yana nuna ko hasken ya zama dumi (misali, 2700K) ko sanyi (misali, 6500K). Haɗin kai na launi (misali, CIE x, y) yana ayyana daidai wurin launi akan zanen launi. Ma'auni na Nuna Launi (CRI, Ra) shine ma'auni na yadda hasken ke bayyana launukan abubuwa daidai idan aka kwatanta da hasken halitta, tare da ƙimar mafi girma (kusa da 100) yana da kyau ga aikace-aikacen da ke da mahimmanci na launi. Tsawon Raɗaɗi mafi rinjaye shine tsawon raɗaɗi guda ɗaya da idon ɗan adam ke gani, yana ayyana launin LED masu launi.
2.2 Ma'auni na Lantarki
Ma'auni na lantarki sune tushe don ƙirar kewaye. Ƙarfin Lantarki na Gaba (Vf) shine raguwar ƙarfin lantarki a kan LED lokacin aiki a takamaiman wutar lantarki ta gaba (If). Yana da mahimmanci don tantance ƙarfin tuƙi da kuma ɓarnar wutar lantarki da ake buƙata. Wutar Lantarki ta Gaba (If) ita ce wutar lantarki da aka ba da shawarar don aiki, wanda ke shafar fitowar haske da tsawon rayuwar na'urar kai tsaye. Matsakaicin ƙima don ƙarfin lantarki na baya (Vr), bugun wutar lantarki na gaba, da ɓarnar wutar lantarki suna ayyana iyakoki cikakkun waɗanda za su iya haifar da lalacewa ta dindindin. Fahimtar alaƙar tsakanin Vf, If, da zafin jiki na mahaɗa yana da mahimmanci don aiki mai dogaro.
2.3 Halayen Zafi
Ayyukan LED da tsawon rayuwa sun dogara sosai akan sarrafa zafi. Juriyar Zafi daga Mahada zuwa Yanayi (RθJA) tana nuna yadda zafi ke tafiya yadda ya kamata daga mahadar semiconductor zuwa muhallin da ke kewaye. Ƙimar ƙasa tana nuna mafi kyawun ɓarkewar zafi. Matsakaicin Zafin Mahada (Tj max) shine mafi girman zafin jiki da aka yarda a mahadar semiconductor. Yin aiki a ƙasa da wannan iyaka yana da mahimmanci don kiyaye kwanciyar hankali na fitar da haske (kula da lumen) da kuma cimma tsawon lokacin aiki da aka tsara, wanda galibi ana ƙididdige shi cikin sa'o'i (misali, L70 ko L50, yana nuna lokacin zuwa 70% ko 50% na fitowar haske na farko).
3. Bayanin Tsarin Rarraba (Binning)
Saboda bambance-bambancen da ke tattare da masana'antu, ana rarraba LED cikin kwandon aiki don tabbatar da daidaito a cikin guda ɗaya.
3.1 Rarraba Tsawon Raɗaɗi/Zazzabin Launi
Ana rarraba LED bisa haɗin kai na launi ko CCT don tabbatar da daidaiton launi a cikin jeri ko kayan aiki. Ana ayyana kwandon a matsayin ƙananan yankuna akan zanen launi na CIE. Yin amfani da LED daga kwandon ɗaya ko maƙwabta yana rage bambance-bambancen launi da ake iya gani a aikace-aikacen ƙarshe.
3.2 Rarraba Ƙarfin Haske (Luminous Flux)
Ana rarraba LED bisa ga ƙarfin haske da aka auna a daidaitaccen gwajin wutar lantarki. Wannan yana ba masu ƙira damar zaɓar abubuwan da suka dace da takamaiman buƙatun haske kuma suna tabbatar da hasashen fitowar haske a cikin raka'a da yawa.
3.3 Rarraba Ƙarfin Lantarki na Gaba (Forward Voltage)
Rarraba ta hanyar ƙarfin lantarki na gaba (Vf) a takamaiman gwajin wutar lantarki yana taimakawa wajen ƙirar kewayen tuƙi masu inganci, musamman lokacin haɗa LED da yawa a jere. Daidaita kwandon Vf na iya haifar da rarraba wutar lantarki mafi daidaito da sauƙaƙan ƙirar wutar lantarki.
4. Bincike akan Lankwasa Ayyuka
4.1 Lankwasa Halayen Ƙarfin Lantarki da Wutar Lantarki (I-V)
Lankwasa I-V ba ta da layi. A ƙasa da ƙarfin lantarki na bakin kofa, ƙaramin wutar lantarki yana gudana. Da zarar an wuce bakin kofa, wutar lantarki tana ƙaruwa da ƙaramin ƙaruwa a cikin ƙarfin lantarki. Wannan lankwasa tana da mahimmanci don zaɓar daidaitaccen kewayen iyakance wutar lantarki, kamar masu tuƙi na wutar lantarki akai-akai, don hana guduwar zafi.
4.2 Dogaro da Zafin Jiki
Manyan ma'auni suna bambanta da zafin jiki. Yawanci, ƙarfin lantarki na gaba (Vf) yana raguwa yayin da zafin mahada ya ƙaru. Fitar da ƙarfin haske kuma tana raguwa tare da hawan zafi. Zane-zanen da ke nuna ƙarfin haske mai alaƙa da zafin mahada da ƙarfin lantarki na gaba da zafin mahada suna da mahimmanci don ƙirar tsarin da ke kula da aiki a cikin kewayon zafin aiki da aka yi niyya.
4.3 Rarraba Ƙarfin Haske a cikin Bakan (Spectral Power Distribution)
Wannan zanen yana nuna ƙarfin haske mai alaƙa da aka fitar a cikin bakan lantarki. Ga LED masu fari, yana nuna kololuwar LED mai bugun shuɗi da mafi faɗin fitar da canjin phosphor. Yana ba da cikakken bayani game da ingancin launi, gami da ƙwanƙwasa ko gibi na yuwu waɗanda zasu iya shafar CRI ko bayyanar wasu launuka.
5. Bayanan Injiniya da Kunshewa
Ana buƙatar cikakken zanen injiniya, wanda ke nuna saman, gefe, da ra'ayoyin ƙasa tare da duk mahimman girma (tsayi, faɗi, tsayi, siffar ruwan tabarau) a cikin milimita. Ra'ayin ƙasa ya kamata ya nuna tsarin filin solder (anode da cathode) a fili, gami da girman filin, tazara, da ƙirar buɗaɗɗen stencil na man solder da aka ba da shawarar. Dole ne a nuna polarity ba tare da shakka ba, yawanci tare da alama a jikin kayan (misali, tsaga, ɗigo, ko gefen bevel) da/ko sifofin filin da ba su da daidaito.
6. Jagororin Solder da Haɗawa
Dole ne a ƙayyade shafin reflow solder da aka ba da shawarar, gami da yankunan dumama, jika, sake kwarara, da sanyaya tare da iyakokin lokaci da zafin jiki (misali, matsakaicin zafin jiki bai wuce 260°C ba na takamaiman lokaci). Kayan yana da hankali ga danshi; saboda haka, yanayin ajiya (misali, Kunshewa yawanci akan teep da reel mai dacewa da injunan ɗauka da sanyawa ta atomatik. Ya kamata a lissafa ƙayyadaddun reel (misali, EIA-481), faɗin teep, girman aljihu, da diamita na reel. Alamar da ke kan reel ko akwati ya kamata ta haɗa da lambar sashi, lambar sake dubawa (kamar yadda aka nuna a cikin bayanan rayuwa na wannan takarda), adadi, lambar kuri'a, da lambar kwanan wata. Lambar sashi da kanta sau da yawa tana bin ƙa'idar suna wacce ke ɓoye mahimman halaye kamar launi, kwandon ƙarfin haske, kwandon ƙarfin lantarki, da nau'in kunshin. Kewayen aikace-aikacen yawanci sun haɗa da jeri ko layi-layi da tushen wutar lantarki akai-akai ke tuƙa su. Dole ne la'akari da ƙira ya yi la'akari da sarrafa zafi: tabbatar da isasshen nutsewar zafi don kula da zafin mahada cikin iyakoki. Ƙirar gani don kusurwar katako da ake so da rarraba ƙarfi ta amfani da na'urorin gani na biyu kamar ruwan tabarau ko masu haskakawa shima yana da mahimmanci. Ƙirar lantarki dole ne ta haɗa da kariya daga polarity na baya, canje-canjen ƙarfin lantarki, da yanayin buɗe kewaye. Idan ya dace, kwatancen da sake dubawa na baya ko samfuran iri ɗaya na iya nuna haɓaka. Wannan na iya haɗawa da mafi girman ingancin haske (lumens kowace watt), ingantaccen daidaiton launi (ƙaramin rarraba), ƙananan juriya na zafi, ko ƙimar dogaro mai ƙarfi. Irin waɗannan kwatancen sun dogara ne akan ma'auni na ma'auni. Q: Me "Sake Dubawa: 2" da "Lokacin Ƙarewa: Har Abada" ke nufi ga ƙirata? Q: Ta yaya zan zaɓi daidaitaccen wutar lantarki don LED? Q: Me ya sa sarrafa zafi yake da mahimmanci ga LED? Yanayi: Ƙirar kayan hasken LED na layi.Injiniya yana amfani da wannan takardar bayanan don zaɓar abubuwan da aka rarraba don daidaitaccen zazzabin launi da ƙarfin haske. Suna ƙirar allon kewaye na bugu na tushen ƙarfe (MCPCB) don zama mai nutsewar zafi, suna ƙididdige girman filin zafi da ake buƙata bisa ga RθJA na LED da kuma manufar zafin yanayi. Ana zaɓar direban wutar lantarki akai-akai bisa ga jimillar Vf na jerin (wanda aka ƙididdige daga Vf na rarraba) da If da ake so. Shafin sake kwarara daga takardar bayanan an shirya shi cikin tanda na layin haɗawa. An tabbatar da aikin kayan aiki da tsawon rayuwa bisa ga hasashen da aka yi ta amfani da ma'auni na takardar bayanan. LED diode ne na semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba, electrons daga kayan n-type suna sake haɗuwa da ramuka daga kayan p-type a cikin yanki mai aiki, suna sakin makamashi a cikin nau'in photons (haske). Tsawon raɗaɗi (launi) na hasken da aka fitar yana ƙaddara ta hanyar tazarar makamashi na kayan semiconductor da aka yi amfani da su. LED masu fari galibi ana ƙirƙira su ta hanyar lulluɓe guntun LED shuɗi ko ultraviolet da kayan phosphor wanda ke ɗaukar wasu hasken farko kuma ya sake fitar da shi a tsayin raɗaɗi mafi tsayi, wanda ke haɗuwa don samar da hasken fari. Masana'antar LED na ci gaba da haɓaka zuwa mafi girman inganci (ƙarin lumens kowace watt), yana rage amfani da makamashi. Akwai mai da hankali sosai kan inganta ingancin launi da daidaito, gami da ƙimar CRI mafi girma da mafi daidaitaccen rarraba launi. Ƙananan kunshin yayin kiyayewa ko ƙara fitar da haske yana ci gaba. Hasken wayo da haɗin kai, haɗa na'urorin sarrafa lantarki, yanki ne na aikace-aikace mai girma. Bugu da ƙari, bincike a cikin sabbin kayan kamar perovskites da ɗigon ƙididdiga yana nufin cimma sabbin wuraren launi da inganci mafi girma. Cikakken bayanin kalmomin fasaha na LED7. Bayanan Kunshewa da Oda
8. Bayanan Aikace-aikace
9. Kwatancen Fasaha
10. Tambayoyin da ake yawan yi (Dangane da Ma'auni na Fasaha)
A: Yana nufin wannan takarda tana bayyana ƙayyadaddun bayanai na ƙa'ida don sake dubawa na biyu na wannan kayan. "Har Abada" yana nuna waɗannan ƙayyadaddun suna da inganci har abada don gano wannan takamaiman sake dubawa, yana tabbatar da gano dogon lokaci. Duk wani sake dubawa na gaba (misali, Sake Dubawa 3) zai sami takardarsa.
A: Koyaushe ku yi aiki a ko ƙasa da wutar lantarki ta gaba (If) da aka ƙayyade a cikin takardar bayanan. Wuce gona da iri yana ƙara zafin mahada, yana haɓaka raguwar lumen, kuma yana iya haifar da gazawa mai ban tsoro. Yi amfani da direban wutar lantarki akai-akai don kwanciyar hankali.
A: Babban zafin mahada yana rage fitar da haske kai tsaye (raguwar lumen) kuma yana rage tsawon lokacin aiki da yawa. Daidaitaccen nutsewar zafi ba zaɓi bane; yana da mahimmanci don cimma ƙimar aiki da tsawon rayuwa.11. Misalin Amfani a Aikace
12. Ka'idar Aiki
13. Trends na Ci Gaba
Kalmomin Ƙayyadaddun LED
Aikin Hasken Wutar Lantarki
Kalma
Naúrar/Wakilci
Bayanin Sauri
Me yasa yake da muhimmanci
Ingancin Hasken Wuta
lm/W (lumen kowace watt)
Fitowar haske kowace watt na wutar lantarki, mafi girma yana nufin mafi ingancin kuzari.
Kai tsaye yana ƙayyade matakin ingancin kuzari da farashin wutar lantarki.
Gudun Hasken Wuta
lm (lumen)
Jimillar hasken da tushe ke fitarwa, ana kiransa "haske".
Yana ƙayyade ko hasken yana da haske sosai.
Kusurwar Dubawa
° (digiri), misali 120°
Kusurwar da ƙarfin haske ya ragu zuwa rabi, yana ƙayyade faɗin haske.
Yana shafar kewar haskakawa da daidaito.
Zafin Launi (CCT)
K (Kelvin), misali 2700K/6500K
Zafi/sanyin haske, ƙananan ƙimomi rawaya/zafi, mafi girma fari/sanyi.
Yana ƙayyade yanayin haskakawa da yanayin da suka dace.
CI / Ra
Ba naúrar, 0–100
Ikon ba da launukan abubuwa daidai, Ra≥80 yana da kyau.
Yana shafar sahihancin launi, ana amfani dashi a wurare masu buƙatu kamar shaguna, gidajen tarihi.
SDCM
Matakan ellipse MacAdam, misali "5-mataki"
Ma'aunin daidaiton launi, ƙananan matakai suna nufin mafi daidaiton launi.
Yana tabbatar da daidaiton launi a cikin rukunin LED iri ɗaya.
Matsakaicin Tsawon Raɗaɗin Hasken
nm (nanomita), misali 620nm (ja)
Tsawon raɗaɗin haske daidai da launin LED masu launi.
Yana ƙayyade launin ja, rawaya, kore LED masu launi ɗaya.
Rarraba Bakan Hasken
Layin tsawon raɗaɗi da ƙarfi
Yana nuna rarraba ƙarfi a cikin tsawon raɗaɗin haske.
Yana shafar ba da launi da ingancin launi.
Ma'auni na Lantarki
Kalma
Alamar
Bayanin Sauri
Abubuwan ƙira
Ƙarfin lantarki na gaba
Vf
Mafi ƙarancin ƙarfin lantarki don kunna LED, kamar "maƙallan farawa".
Ƙarfin lantarki na injin dole ya zama ≥Vf, ƙarfin lantarki yana ƙara don LED a jere.
Ƙarfin lantarki na gaba
If
Ƙimar ƙarfin lantarki don aikin LED na yau da kullun.
Yawanci tuƙi mai ƙarfi akai-akai, ƙarfin lantarki yana ƙayyade haske da tsawon rai.
Matsakaicin Ƙarfin lantarki na bugun jini
Ifp
Matsakaicin ƙarfin lantarki mai jurewa na ɗan lokaci, ana amfani dashi don duhu ko walƙiya.
Fadin bugun jini da sake zagayowar aiki dole ne a sarrafa su sosai don guje wa lalacewa.
Ƙarfin lantarki na baya
Vr
Matsakaicin ƙarfin lantarki na baya da LED zai iya jurewa, wanda ya wuce zai iya haifar da rushewa.
Dangane dole ne ya hana haɗin baya ko ƙarfin lantarki.
Juriya na zafi
Rth (°C/W)
Juriya ga canja wurin zafi daga guntu zuwa solder, ƙasa yana da kyau.
Babban juriya na zafi yana buƙatar zubar da zafi mai ƙarfi.
Rigakafin ESD
V (HBM), misali 1000V
Ikon jurewa zubar da wutar lantarki, mafi girma yana nufin ƙasa mai rauni.
Ana buƙatar matakan hana wutar lantarki a cikin samarwa, musamman ga LED masu hankali.
Gudanar da Zafi & Amincewa
Kalma
Ma'aunin maɓalli
Bayanin Sauri
Tasiri
Zazzabin Haɗin gwiwa
Tj (°C)
Ainihin yanayin aiki a cikin guntun LED.
Kowane raguwa 10°C na iya ninka tsawon rai; yayi yawa yana haifar da lalacewar haske, canjin launi.
Ragewar Lumen
L70 / L80 (sa'o'i)
Lokacin da haske ya ragu zuwa 70% ko 80% na farko.
Kai tsaye yana ayyana "tsawon sabis" na LED.
Kula da Lumen
% (misali 70%)
Kashi na hasken da aka riƙe bayan lokaci.
Yana nuna riƙon haske akan amfani na dogon lokaci.
Canjin Launi
Δu′v′ ko ellipse MacAdam
Matsakaicin canjin launi yayin amfani.
Yana shafar daidaiton launi a cikin yanayin haskakawa.
Tsufa na Zafi
Lalacewar kayan aiki
Lalacewa saboda yanayin zafi na dogon lokaci.
Zai iya haifar da raguwar haske, canjin launi, ko gazawar buɗe kewaye.
Tufafi & Kayan Aiki
Kalma
Nau'ikan gama gari
Bayanin Sauri
Siffofi & Aikace-aikace
Nau'in Kunshin
EMC, PPA, Yumbu
Kayan gida masu kare guntu, samar da hanyar sadarwa ta gani/zafi.
EMC: juriya mai kyau na zafi, farashi mai rahusa; Yumbu: mafi kyawun zubar da zafi, tsawon rai.
Tsarin Guntu
Gaba, Guntu Juyawa
Tsarin na'urorin lantarki na guntu.
Juyawar guntu: mafi kyawun zubar da zafi, inganci mafi girma, don ƙarfi mai ƙarfi.
Rufin Phosphor
YAG, Silicate, Nitride
Yana rufe guntu shuɗi, yana canza wasu zuwa rawaya/ja, yana haɗa su zuwa fari.
Phosphor daban-daban suna shafar inganci, CCT, da CRI.
Ruwan tabarau/Optics
Lefi, Microlens, TIR
Tsarin gani a saman yana sarrafa rarraba haske.
Yana ƙayyade kusurwar dubawa da layin rarraba haske.
Kula da Inganci & Rarraba
Kalma
Abun rarraba
Bayanin Sauri
Manufa
Kwalin Gudun Hasken
Lambar misali 2G, 2H
An tattara su ta hanyar haske, kowace ƙungiya tana da ƙananan/matsakaicin ƙimar lumen.
Yana tabbatar da daidaiton haske a cikin jeri ɗaya.
Kwalin Ƙarfin lantarki
Lambar misali 6W, 6X
An tattara su ta hanyar kewayon ƙarfin lantarki na gaba.
Yana sauƙaƙe daidaitawar tuƙi, yana inganta ingancin tsarin.
Kwalin Launi
Ellipse MacAdam 5-mataki
An tattara su ta hanyar daidaitattun launi, yana tabbatar da ƙuntataccen kewayon.
Yana ba da garantin daidaiton launi, yana guje wa launi mara daidaituwa a cikin kayan aikin.
Kwalin CCT
2700K, 3000K da sauransu
An tattara su ta hanyar CCT, kowanne yana da madaidaicin kewayon daidaitawa.
Yana cika buƙatun CCT na yanayi daban-daban.
Gwaji & Takaddun Shaida
Kalma
Matsakaicin/Gwaji
Bayanin Sauri
Muhimmanci
LM-80
Gwajin kula da lumen
Haskakawa na dogon lokaci a yanayin zafi akai-akai, yana rikodin lalacewar haske.
Ana amfani dashi don kimanta rayuwar LED (tare da TM-21).
TM-21
Matsakaicin kimanta rayuwa
Yana kimanta rayuwa a ƙarƙashin yanayi na ainihi bisa bayanan LM-80.
Yana ba da hasashen kimiyya na rayuwa.
IESNA
Ƙungiyar Injiniyoyin Haskakawa
Yana rufe hanyoyin gwajin gani, lantarki, zafi.
Tushen gwaji da masana'antu suka amince.
RoHS / REACH
Tabbatarwar muhalli
Yana tabbatar da babu abubuwa masu cutarwa (darma, mercury).
Bukatar shiga kasuwa a duniya.
ENERGY STAR / DLC
Tabbatarwar ingancin kuzari
Tabbatarwar ingancin kuzari da aiki don samfuran haskakawa.
Ana amfani dashi a cikin sayayyan gwamnati, shirye-shiryen tallafi, yana haɓaka gasa.