LTPL-C034UVD405 UV LED Takardar Bayani - 3.5x3.5x1.6mm - 3.5V Na Yau da Kullun - 460-700mW - 405nm Kololuwar Tsawon Zango - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

Jerin samfuran C03 UV suna wakiltar ingantaccen tushen haske mai ƙarfi, wanda aka ƙera don gyaran UV da aikace-aikacen ultraviolet na gaba ɗaya. Wannan fasaha ta haɗu da tsawon rayuwa da amincin da ke cikin LED tare da matakan haske masu ƙarfi da aka saba da su da tushen UV na al'ada. Wannan haɗuwa yana ba da sassauƙa mai mahimmanci ga ƙira kuma yana buɗe sabbin hanyoyi don hasken UV mai ƙarfi don maye gurbin tsofaffin fasahohin UV marasa inganci.

1.1 Fa'idodi na Ciki da Kasuwar Da Ake Nufi

An ƙera wannan samfur don aikace-aikacen da ke buƙatar ingantaccen fitar da ultraviolet, mai aminci, da inganci. Manyan fa'idodinsa sun haɗa da cikakkiyar daidaitawa da tsarin tuƙi na haɗakar da'ira (I.C.), bin ƙa'idodin RoHS da ƙa'idodin ƙira marasa gubar (Pb-free), waɗanda ke taimakawa wajen rage farashin aiki da rage farashin kulawa a tsawon rayuwar samfurin. Kasuwar da ake nufi ta ƙunshi hanyoyin gyaran masana'antu, kayan aikin likitanci da kimiyya, gano karya, da kowane aikace-aikace inda sarrafa bayyanar UV ke da mahimmanci.

2. Ma'auni na Fasaha: Cikakken Bayani Mai Ma'ana

Sashe na gaba yana ba da cikakken bincike mai ma'ana game da mahimman ma'auni na fasaha na na'urar kamar yadda aka ayyana a ƙarƙashin yanayin gwaji na yau da kullun (Ta=25°C).

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna ayyana iyakokin da za su iya haifar da lalacewa na dindindin ga na'urar. Ba a ba da shawarar aiki a ko kusa da waɗannan iyakokin na tsawon lokaci. Matsakaicin ƙarfin lantarki na DC na gaba (If) shine 500 mA. Matsakaicin ƙarfin watsi (Po) shine 2 Watts. Na'urar na iya aiki a cikin kewayon zafin yanayi (Topr) na -40°C zuwa +85°C kuma ana adana su (Tstg) tsakanin -55°C da +100°C. Matsakaicin zafin jiki na junction (Tj) shine 110°C. Yana da mahimmanci sosai don guje wa aikin LED a ƙarƙashin yanayin karkatar da baya na tsawon lokaci, saboda hakan na iya haifar da gazawar kayan aiki.

2.2 Halayen Lantarki da Hasken Gani

Waɗannan halaye suna ayyana aikin na'urar a ƙarƙashin yanayin aiki na yau da kullun (If = 350mA). Ƙarfin lantarki na gaba (Vf) ya kasance daga mafi ƙanƙanta na 2.8V zuwa matsakaicin 4.4V, tare da ƙimar yau da kullun na 3.5V. Matsakaicin ƙarfin hasken gani (Φe), wanda aka auna tare da kwallon haɗawa, ya kasance daga 460mW zuwa 700mW, tare da ƙimar yau da kullun na 620mW. Kololuwar tsawon zango (Wp) an ƙayyade tsakanin 400nm da 410nm, yana sanya shi cikin kusancin hasken ultraviolet. Kusurwar kallo (2θ1/2) yawanci digiri 130 ne, yana nuna tsarin haske mai faɗi. Juriyar zafi daga junction zuwa akwati (Rth jc) yawanci 14.7 °C/W ne, tare da ƙimar auna na ±10%.

2.3 Halayen Zafi

Ingantaccen sarrafa zafi yana da mahimmanci ga aikin LED da tsawon rayuwa. Ƙayyadaddun juriyar zafi (Rth jc) na 14.7 °C/W yana nuna haɓakar zafi a kowace watt na wutar lantarki da aka watsa tsakanin junction na semiconductor da akwatin kunshin. Ƙimar ƙasa tana da kyau. Wannan ma'auni, tare da matsakaicin zafin jiki na junction na 110°C, yana ƙayyade buƙatun nutsewar zafi don kowane aikace-aikace don tabbatar da LED yana aiki a cikin yankinsa na aminci kuma yana kiyaye ƙimar fitarwa da tsawon rayuwarsa.

3. Bayanin Tsarin Lambobin Bin

An rarraba samfurin zuwa bins bisa mahimman ma'auni na aiki don tabbatar da daidaito ga mai amfani na ƙarshe. Ana yiwa alamar lambar bin a kowane jakar kunshin.

3.1 Rarraba Ƙarfin Lantarki na Gaba (Vf)

Ana rarraba LED zuwa bins na ƙarfin lantarki guda huɗu (V0, V1, V2, V3) a gwajin ƙarfin lantarki na 350mA. Bins na V0 suna da ƙarfin lantarki tsakanin 2.8V da 3.2V, V1 tsakanin 3.2V da 3.6V, V2 tsakanin 3.6V da 4.0V, da V3 tsakanin 4.0V da 4.4V. Haƙuri don wannan rarrabuwar shine ±0.1V. Wannan yana ba masu ƙira damar zaɓar LED tare da ƙarfin lantarki na gaba da suka dace don haɗin kai ko daidaitaccen ƙa'idar ƙarfin lantarki.

3.2 Rarraba Ƙarfin Hasken Gani (Φe)

An rarraba ƙarfin hasken gani zuwa bins shida (R1 zuwa R6). R1 yana wakiltar mafi ƙanƙanta kewayon fitarwa (460-500 mW), kuma R6 yana wakiltar mafi girma (660-700 mW), duk an auna su a 350mA. Haƙuri don ƙarfin hasken gani shine ±10%. Wannan rarrabuwar yana ba da damar zaɓi bisa ƙarfin hasken da ake buƙata don aikace-aikace.

3.3 Rarraba Kololuwar Tsawon Zango (Wp)

An rarraba tsawon zango da aka fitar zuwa manyan bins guda biyu: P4A (400-405 nm) da P4B (405-410 nm), tare da haƙuri na ±3nm. Wannan yana da mahimmanci ga aikace-aikacen da ke da hankali ga takamaiman tsawon zango na UV, kamar ƙaddamar da takamaiman halayen photochemical a cikin hanyoyin gyaran.

4. Bincike na Lanƙwan Aiki

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

4.1 Matsakaicin Ƙarfin Hasken Gani da Ƙarfin Lantarki na Gaba

Wannan lanƙwasa yawanci yana nuna alaƙa ta ƙasa da layi inda ƙarfin hasken gani ke ƙaruwa tare da ƙarfin lantarki na gaba amma yana iya nuna jikewa ko raguwar inganci a manyan ƙarfin lantarki. Ya kamata a zaɓi ainihin wurin aiki (misali, 350mA) don daidaita fitarwa da inganci yayin da yake tsayawa a cikin matsakaicin matsakaicin matsakaici.

4.2 Matsakaicin Rarraba Hasken Gani

Wannan jadawali yana nuna ƙarfin hasken da aka fitar a tsawon tsayin zango daban-daban, wanda ya ta'allaka ne a kusa da kololuwar tsawon zango (400-410nm). Yana nuna faɗin bandwidth na hasken gani, wanda ke da mahimmanci ga aikace-aikacen da ake buƙatar tsaftar hasken gani ko mu'amala ta takamaiman tsawon zango.

4.3 Halayen Hasken Gani

Wannan makircin polar yana kwatanta rarraba sararin samaniya na ƙarfin haske, wanda yake da alaƙa da kusurwar kallo na digiri 130. Yana nuna yadda ake fitar da haske daga kunshin LED, wanda ke da mahimmanci ga ƙirar tsarin hasken gani don tabbatar da hasken da ya dace na yankin da ake nufi.

4.4 Ƙarfin Lantarki na Gaba da Ƙarfin Lantarki na Gaba (Lanƙwan I-V)

Wannan lanƙwasa na asali yana nuna alaƙar exponential na yau da kullun na diode. Ƙarfin lantarki na gaba yana ƙaruwa tare da ƙarfin lantarki. Siffar lanƙwasa tana da mahimmanci don ƙirar da'irar tuƙi da ta dace, ko dai mai iyakance ƙarfin lantarki mai sauƙi ne ko direba mai ƙarfin lantarki na dindindin.

4.5 Matsakaicin Ƙarfin Hasken Gani da Zafin Jiki na Junction

Wannan lanƙwasa mai mahimmanci yana nuna mummunan tasirin haɓakar zafin jiki na junction akan fitar da haske. Yayin da zafin jiki na junction ya ƙaru, ƙarfin hasken gani yana raguwa. Wannan yana jaddada mahimmancin ingantaccen sarrafa zafi don kiyaye aikin hasken gani na dindindin akan lokaci kuma a ƙarƙashin yanayi daban-daban na yanayi.

5. Bayanin Injiniya da Kunshin

5.1 Girman Bayyanawa

Na'urar tana da ƙaramin kunshin da ake hawa a saman. Manyan girma sun haɗa da girman jiki da bayanin ruwan tabarau. Duk ma'auni na layi suna cikin milimita. Haƙuri na girma na gabaɗaya shine ±0.2mm, yayin da tsayin ruwan tabarau da tsayin/faɗin substrate na yumbu suna da ƙarancin haƙuri na ±0.1mm. Pad ɗin zafi a ƙasan na'urar yana keɓe ta hanyar lantarki (mai iyo) daga pad ɗin anode da cathode, ma'ana ana iya haɗa shi kai tsaye zuwa jirgin sama na zafi na PCB don watsi da zafi ba tare da haifar da gajeren wutar lantarki ba.

5.2 Gano Polarity da Ƙirar Pad

An ba da shawarar ƙirar pad ɗin haɗawa da allon da'ira da aka buga (PCB) don tabbatar da ingantaccen solder da aikin zafi. Ƙirar ta ƙunshi pad ɗin daban don anode da cathode, da kuma babban pad don haɗin zafi. Daidaitaccen jagorar polarity yayin haɗawa yana da mahimmanci don aikin na'urar.

6. Jagororin Solder da Haɗawa

6.1 Ma'auni na Solder na Reflow

An ba da shawarar cikakken bayanin bayanin solder na reflow. Manyan ma'auni sun haɗa da dumama, jiƙa, kololuwar zafin reflow, da ƙimar sanyaya. Ya kamata a sarrafa matsakaicin matsakaicin zafin jiki (wanda aka auna akan saman jikin kunshin). Ba a ba da shawarar tsarin sanyaya mai sauri. Ana ba da shawarar yin amfani da mafi ƙanƙanta zafin solder wanda ke cimma haɗin gwiwa mai aminci. Na'urar na iya jure matsakaicin zagaye uku na reflow. Solder na hannu, idan ya cancanta, ya kamata a iyakance ga matsakaicin 300°C na fiye da dakika 2 ba, ana amfani da shi sau ɗaya kawai.

6.2 Tsaftacewa da Kula da Kulawa

Idan ana buƙatar tsaftacewa bayan solder, kawai ya kamata a yi amfani da kaushi na barasa kamar isopropyl alcohol. Masu tsaftacewa na sinadarai da ba a bayyana ba na iya lalata kunshin LED. Ya kamata a kiyaye ƙa'idodin gabaɗaya na ESD (sakin wutar lantarki) yayin sarrafawa.

7. Bayanin Kunshin da Oda

7.1 Ƙayyadaddun Kaset da Reel

Ana ba da LED a cikin kaset ɗin mai ɗaukar kaya wanda aka rufe tare da kaset ɗin saman. Ana nannade kaset ɗin akan reels. Reel na yau da kullun na inci 7 na iya ɗaukar matsakaicin guda 500. Kunshin ya yi daidai da ƙayyadaddun EIA-481-1-B. Akwai ƙayyadaddun cewa ba za a iya samun aljihu fiye da biyu na kayan aiki a jere a kan kaset ɗin ba.

8. Shawarwari na Aikace-aikace

8.1 Yanayin Aikace-aikace na Yau da Kullun

Wannan UV LED ya dace da aikace-aikace iri-iri ciki har da, amma ba'a iyakance ga: gyaran UV na mannewa, tawada, da kuma sutura; tada haske don bincike ko dubawa; kayan aikin likitanci da na halitta; tsarin tsarkake iska da ruwa; da kuma gano karya (misali, tabbatar da fasali na tsaro).

8.2 Abubuwan Ƙira da Hanyar Tuƙi

LED na'urar ce da ake sarrafa ta ta hanyar ƙarfin lantarki. Don tabbatar da daidaiton ƙarfi lokacin da aka haɗa LED da yawa a layi ɗaya a cikin aikace-aikace guda ɗaya, ana ba da shawarar sosai don haɗa resistor mai iyakance ƙarfin lantarki na kowane LED a jere. Wannan yana rama ƙananan bambance-bambance a cikin ƙarfin lantarki na gaba (Vf) tsakanin na'urori guda ɗaya, yana hana cin ƙarfin lantarki inda LED ɗaya ya ja ƙarfin lantarki fiye da sauran, wanda ke haifar da rashin daidaiton haske da yuwuwar matsin lamba. Da'irar direba mai ƙarfin lantarki na dindindin ita ce mafita mafi kyau don tuƙi LED ɗaya ko da yawa a jere, yana ba da ingantaccen aiki ba tare da la'akari da bambance-bambancen ƙarfin lantarki na gaba ba.

9. Amincewa da Gwaji

Na'urar tana ƙarƙashin cikakken tsarin gwaji na aminci don tabbatar da ƙarfi. Gwaje-gwaje sun haɗa da Rayuwar Aiki mai ƙarancin Zafi (LTOL a -30°C), Rayuwar Aiki na Zafin Daki (RTOL), Rayuwar Aiki mai Zafi (HTOL a 85°C), Rayuwar Aiki mai Zafi mai Damp (WHTOL a 60°C/60% RH), Shock na Zafi (TMSK daga -40°C zuwa 125°C), Resistance zuwa Zafin Solder (simulating reflow), da gwajin Solderability. An ayyana takamaiman ma'auni na wucewa/rasa bisa canje-canje a cikin ƙarfin lantarki na gaba (cikin ±10%) da ƙarfin hasken gani (cikin ±15%) bayan gwaji. Duk gwaje-gwajen rayuwa ana gudanar da su tare da na'urar da aka ɗora akan nutsewar zafi.

10. Kwatancen Fasaha da Bambanci

Idan aka kwatanta da tsoffin tushen hasken UV kamar fitilun mercury-vapor, wannan mafita ta LED mai ƙarfi tana ba da fa'idodi daban-daban: ikon kunna/kashe nan take ba tare da lokacin dumama ba, tsawon rayuwar aiki mai mahimmanci (sau da yawa dubunnan sa'o'i), mafi ingantaccen amfani da makamashi yana canza ƙarin wutar lantarki zuwa hasken UV mai amfani, rashin abubuwa masu haɗari kamar mercury, ƙaramin girman da ke ba da damar sabon siffar siffa, da ingantaccen fitarwa na hasken gani. Babban ciniki a tarihi shine ƙarancin ƙarfin hasken gani, amma zamani na manyan ƙarfin UV LED kamar wannan jerin suna rufe wannan tazara don aikace-aikace da yawa.

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

11.1 Menene bambanci tsakanin ƙarfin hasken gani (mW) da ƙarfin haske (lm)?

Ƙarfin hasken gani (Φe) yana auna jimlar ƙarfin hasken gani da aka fitar a kowane bangare, a cikin Watts. Wannan shine ma'aunin da ya dace don UV LED kamar yadda yake ƙididdige ainihin makamashin UV. Ƙarfin haske (lumens) yana auna hasken da ido na ɗan adam ya gane, wanda aka auna ta hanyar lanƙwasa amsawar hotopic, kuma bai dace da tushen UV marasa gani ba.

11.2 Ta yaya zan zaɓi bin da ya dace don aikace-aikacena?

Zaɓi bin na ƙarfin lantarki (Vf) bisa ƙirar da'irar direbarka da buƙatar daidaita ƙarfin lantarki a cikin layukan layi. Zaɓi bin na ƙarfin hasken gani (Φe) bisa ƙarfin da ake buƙata ko haske a makasudin ku. Zaɓi bin na tsawon zango (Wp) idan tsarin ku yana da hankali ga takamaiman kololuwar hasken gani (misali, 405nm da 400nm).

11.3 Me ya sa sarrafa zafi yana da mahimmanci sosai?

Babban zafin jiki na junction yana rage fitar da haske kai tsaye (kamar yadda aka nuna a cikin lanƙwan aiki) kuma yana haɓaka hanyoyin lalacewa a cikin semiconductor, yana rage tsawon rayuwar aikin na'urar sosai. Ingantaccen nutsewar zafi ba shi da yuwuwar musayar shawara don ingantaccen aiki na dogon lokaci.

12. Ƙira da Amfani na Aikace-aikace

Harka: Ƙirar PCB don wurin gyaran UV na LED da yawa.Mai ƙira yana buƙatar ƙirar jerin LED 10 don aikace-aikacen gyaran ƙaramin yanki. Dangane da takardar bayani: 1) Sun zaɓi LED daga bin Vf da Φe ɗaya don daidaito. 2) Sun ƙira PCB tare da shawarar ƙirar pad, suna haɗa pad ɗin zafi zuwa babban jirgin tagulla akan allon da aka haɗa zuwa vias don watsi da zafi zuwa ƙasa ko waje heatsink. 3) Sun yanke shawarar tuƙi LED tare da direba mai ƙarfin lantarki na dindindin da aka saita zuwa 350mA. Tunda suna son haɗa duka 10 a layi ɗaya don haske iri ɗaya, sun haɗa da ƙaramin, resistor mai iyakance ƙarfin lantarki na kowane LED (misali, 1 Ohm) a jere tare da kowane LED don rama bambance-bambancen Vf, kamar yadda aka ba da shawarar. 4) Sun bi jagororin bayanin reflow yayin haɗawa. 5) A cikin firmware na samfur na ƙarshe, za su iya aiwatar da sa ido kan zafin jiki ko algorithm na rage ƙima bisa lanƙwan "Matsakaicin Ƙarfin Hasken Gani da Zafin Jiki na Junction" idan yanayin yanayi yana canzawa.

13. Gabatarwa da Ka'idar Aiki

Wannan na'urar diode ce mai fitar da haske na semiconductor (LED). Lokacin da aka yi amfani da ƙarfin lantarki na gaba a kan anode da cathode, ana shigar da electrons da ramuka cikin yanki mai aiki na guntu na semiconductor. Waɗannan masu ɗaukar caji suna sake haɗuwa, suna sakin makamashi a cikin nau'in photons (haske). Takamaiman tsawon zango na photons da aka fitar (a wannan yanayin, ~405nm, a cikin hasken ultraviolet-A) an ƙaddara shi ta hanyar makamashin bandgap na kayan semiconductor da aka yi amfani da su a cikin ginin guntu (yawanci bisa aluminum gallium nitride - AlGaN). Sa'an nan kuma ana siffanta hasken da aka samar kuma ana fitar da shi ta hanyar ruwan tabarau na haɗin gwiwa na kunshin.

14. Trends na Fasaha

Fannin UV LED yana da alaƙa da ci gaba da bincike da haɓakawa da nufin haɓaka ingancin bangon toshe (ƙarfin hasken gani / wutar lantarki), cimma mafi girman ƙarfin fitarwa daga na'ura ɗaya ko ƙaramin kunshin, tsawaita tsawon rayuwar aiki, da tura tsayin zango mai fitarwa zurfi cikin hasken UV-C (don aikace-aikacen kashe ƙwayoyin cuta) tare da ingantaccen inganci. Hakanan akwai wani yanayi zuwa ga ƙarin ƙwarewar kunshin don haɓaka cire haske da aikin zafi. Ƙoƙarin maye gurbin fitilun UV na mercury a duk aikace-aikace yana ci gaba da zama babban ƙarfin kasuwa, wanda aka goyi bayan ƙa'idodin muhalli da fa'idodin aikin hasken ƙarfi.