Takardar Bayani na Fasaha na UVC LED LTPL-G35UVC275GS - 3.5x3.5mm - 5.0-7.0V - Tsawon Ra'ayin Kololuwa 275nm - Ikon Maksimum 0.7W - Takardar Fasaha ta Hausa

1. Bayyani Game da Samfur

LTPL-G35UVC275GS babban LED ne na ultraviolet-C (UVC) mai inganci wanda aka tsara musamman don aikace-aikacen kashe kwayoyin cuta da na likitanci. Wannan samfurin yana wakiltar ci gaba mai mahimmanci a fasahar hasken LED, yana ba da madadin amintacce da mai amfani da makamashi ga tushen hasken UV na al'ada kamar fitilun mercury. Na'urar tana aiki a cikin kewayon tsawon ra'ayi na kashe kwayoyin cuta, yawanci kusan 275 nanometers, wanda yake da tasiri sosai wajen kashe ƙananan ƙwayoyin cuta ciki har da ƙwayoyin cuta da ƙwayoyin cuta.

Wannan jerin LED yana haɗa fa'idodin asali na fasahar LED—kamar tsawon rayuwar aiki, ikon kunna/kashe nan take, da ƙaramin siffa—tare da fitowar haske da ake buƙata don ingantaccen kashe kwayoyin cuta. Yana ba da ƙarin 'yancin ƙira ga injiniyoyi masu haɓaka kayan aikin kashe kwayoyin cuta, na'urori masu tsabtace iska, tsarin maganin ruwa, da na'urorin likitanci. Ta hanyar maye gurbin tsofaffin fasahohin UV, yana ba da gudummawa ga tsarin da ke da ƙarancin farashin aiki, rage buƙatun kulawa, da inganta yanayin muhalli saboda rashin mercury.

1.1 Fa'idodi na Asali da Kasuwar da Ake Nufi

Babban fa'idodin wannan UVC LED sun haɗa da dacewarsa da tsarin tuƙi na guntu (IC), bin umarnin RoHS (Ƙuntata Abubuwa masu haɗari), da ginin sa mara gubar. Waɗannan fasalulluka sun sa ya dace don haɗawa cikin samfuran lantarki na zamani tare da ƙaƙƙarfan buƙatun ƙa'ida da muhalli. Kasuwowin da ake nufi su ne farko sassan kiwon lafiya, kayan amfani na mabukaci, da sassan kayan aikin masana'antu inda ingantaccen kashe kwayoyin cuta na saman, iska, ko ruwa ke da mahimmanci. Aikace-aikacen sun bambanta daga na'urori masu ɗaukar hoto da tsarin HVAC zuwa na'urori na musamman na tsabtace kayan aikin likita.

2. Bincike Mai zurfi na Sigogi na Fasaha

Aikin LTPL-G35UVC275GS an bayyana shi ta cikin cikakken saitin sigogi na lantarki, na gani, da na zafi da aka auna a ƙarƙashin daidaitattun yanayi (Ta=25°C). Fahimtar waɗannan sigogi yana da mahimmanci don ingantaccen ƙirar da'ira da sarrafa zafi don tabbatar da amincin da kuma samun fitowar hasken da ake so.

2.1 Matsakaicin Matsakaicin Matsakaici

Waɗannan ƙididdiga suna bayyana iyakokin damuwa waɗanda sama da su lalacewa na dindindin na iya faruwa ga na'urar. Ba a yi niyya don aiki na yau da kullun ba. Matsakaicin raguwar wutar lantarki (Po) shine 0.7 Watts, wanda shine jimillar wutar lantarki da za a iya canzawa zuwa zafi da haske ba tare da lalata LED ba. Matsakaicin ci gaba na gaba na yanzu (IF) shine 100 milliamperes (mA). An ƙididdige na'urar don kewayon zafin aiki (Topr) na -40°C zuwa +80°C da kewayon zafin ajiya (Tstg) na -40°C zuwa +100°C. Matsakaicin yanayin zafi na haɗin gwiwa (Tj) shine 90°C. Wuce gona da iri na yanayin zafin haɗin gwiwa shine babban dalilin gazawar LED da saurin raguwar lumen.

2.2 Halayen Lantarki-Gani

Waɗannan su ne sigogin aikin yau da kullun a ƙarƙashin ƙayyadaddun yanayin gwaji. Ƙarfin lantarki na gaba (VF) ya bambanta daga mafi ƙarancin 5.0V zuwa matsakaicin 7.0V a gwajin na 60mA, tare da ƙimar yau da kullun na 5.5V. Wannan ƙarfin lantarki mai girma yana da halayen UVC LEDs saboda kayan su na semiconductor mai faɗin bandgap. Juzu'in haske (Φe), wanda shine jimillar ikon gani a cikin bakan UVC, yawanci shine 10.0 milliwatts (mW) a 60mA. A ƙaramin halin yanzu na 20mA, ya ragu zuwa 3.5 mW, kuma a matsakaicin halin yanzu na 100mA, ya kai 14.0 mW. Tsawon ra'ayin kololuwa (Wp) yana tsakiya a 275nm tare da kewayon daga 265nm zuwa 280nm, yana sanya shi cikin mafi ingantaccen kewayon kashe kwayoyin cuta (kimanin 260nm-280nm). Kusurwar kallo (2θ1/2) yana da faɗin digiri 120, yana ba da haske mai faɗi. Juriyar zafi daga haɗin gwiwa zuwa wurin solder (Rth j-s) yawanci shine 38 K/W, yana nuna yadda ake canja wurin zafi daga guntu na semiconductor zuwa allon. Ƙimar ƙasa tafi da kyau don sarrafa zafi.

3. Bayanin Tsarin Lambar Bin

Don lissafta bambance-bambancen masana'antu, ana rarraba LEDs zuwa kwandon aiki. Wannan yana ba masu ƙira damar zaɓar abubuwan da suka dace da takamaiman buƙatun aikace-aikacen su. LTPL-G35UVC275GS yana amfani da tsarin binning mai girma uku.

3.1 Bin na Ƙarfin Lantarki na Gaba (VF)

Ana rarraba LEDs zuwa kwandon ƙarfin lantarki huɗu: V1 (5.0V - 5.5V), V2 (5.5V - 6.0V), V3 (6.0V - 6.5V), da V4 (6.5V - 7.0V), duk an auna su a IF=60mA. Zaɓin LEDs daga kwandon ƙarfin lantarki ɗaya yana tabbatar da daidaitaccen rarraba halin yanzu lokacin da aka tuƙi na'urori da yawa a layi daya.

3.2 Bin na Juzu'in Haske (Φe)

Ana sanya fitowar gani zuwa rukuni huɗu: X1 (7.0 - 8.0 mW), X2 (8.0 - 9.0 mW), X3 (9.0 - 10.0 mW), da X4 (10.0 mW da sama), an auna su a IF=60mA. Wannan yana ba da damar tsinkayar aikin kashe kwayoyin cuta da lissafin kashi.

3.3 Bin na Tsawon Ra'ayin Kololuwa (Wp)

Duk na'urori suna cikin kwandon tsawon ra'ayi guda ɗaya, W1, wanda ya faɗo daga 265nm zuwa 280nm. Matsakaicin sarrafawa a kusa da 275nm yana tabbatar da ingantaccen ingancin kashe kwayoyin cuta, kamar yadda tasirin hasken UV don rushe DNA/RNA ya kai kololuwa a wannan yanki.

4. Bincike na Lanƙwasa Aiki

Takardar bayani tana ba da jadawali da yawa waɗanda ke nuna halayen na'urar a ƙarƙashin yanayi daban-daban. Waɗannan lanƙwasa suna da mahimmanci don ƙirar ƙira mai ƙarfi da fahimtar cinikin aiki.

4.1 Rarraba Bakan Dangin

Wannan lanƙwasa yana nuna ƙarfin hasken da aka fitar a cikin bakan ultraviolet. Yana tabbatar da ƙunƙuntaccen band ɗin fitarwa a tsakiya a tsayin ra'ayin kololuwa, tare da ƙaramin fitarwa a wajen kewayon UVC, wanda yake da mahimmanci don aminci da inganci.

4.2 Tsarin Radiation

Taswirar halayen radiation (sau da yawa zane mai siffar polar) tana nuna kusurwar kallo na digiri 120, yana nuna yadda ƙarfin gani ke raguwa daga tsakiya (digiri 0) zuwa gefuna (±60 digiri). Wannan yana sanar da ƙirar gani don cimma daidaitaccen haskakawa.

4.3 Juzu'in Haske Dangane da Halin Yanzu na Gaba

Wannan jadawali yana nuna cewa fitarwar haske yana ƙaruwa tare da tuƙi na yanzu amma ba a layi daya ba. Yana karkata zuwa jikewa a manyan halayen yanzu saboda ƙaruwar zafi da raguwar inganci. Wannan yana nuna mahimmancin tuƙi LED a mafi kyawun halin yanzu don mafi kyawun daidaiton fitarwa da tsawon rai.

4.4 Ƙarfin Lantarki na Gaba da Halin Yanzu na Gaba

Lanƙwasa IV yana nuna alaƙar ma'auni tsakanin ƙarfin lantarki da halin yanzu, na yau da kullun na diode. Ana amfani da shi don tantance wurin aiki lokacin ƙirar da'irar iyakance halin yanzu.

4.5 Lanƙwasa Dogaro da Zazzabi

Jadawali da ke nuna juzu'in haske dangane da ƙarfin lantarki na gaba a matsayin ayyuka na yanayin zafin haɗin gwiwa suna da mahimmanci. Fitarwar UVC LED yawanci tana raguwa yayin da zafin jiki ya karu. Ƙarfin lantarki na gaba yana raguwa tare da hawan zafi. Dole ne a yi la'akari da waɗannan alaƙu don ƙira waɗanda ke aiki a cikin yanayin da ba na yanayi ba ko tare da rashin isasshen zafi.

4.6 Lanƙwasa Rage Halin Yanzu na Gaba

Wannan shine ɗayan mafi mahimmancin jadawali don aminci. Yana nuna matsakaicin halin yanzu na gaba da aka yarda a matsayin aikin yanayin zafi na yanayi. Yayin da zafin jiki ya tashi, matsakaicin halin yanzu mai aminci yana raguwa don hana yanayin zafin haɗin gwiwa ya wuce iyakarsa na 90°C. Wannan lanƙwasa wajibi ne don tantance buƙatun mai sanyaya zafi.

5. Bayanin Injiniya da Kunshin

LED yana zuwa a cikin kunshin na'urar da aka ɗora akan saman (SMD) tare da girma kusan 3.5mm x 3.5mm. Zanen zane yana ba da ma'auni masu daidaito don ƙirar sawun ƙafa. Kunshin ya haɗa da alamun polarity bayyananne (yawanci alamar cathode) don hana sanya ba daidai ba yayin haɗawa. An ba da shimfidar kushin da aka ba da shawarar na allon da'ira (PCB) don tabbatar da ingantaccen solder da haɗin zafi. Ƙirar kushin tana da mahimmanci don canja wurin zafi daga kushin zafi na LED (wurin solder) zuwa yadudduka na tagulla na PCB, waɗanda ke aiki a matsayin babban mai yada zafi.

6. Jagororin Solder da Haɗawa

Kula da solder daidai yana da mahimmanci don kiyaye aikin LED da aminci.

6.1 Bayanin Siffar Solder Reflow

An ba da shawarar bayanin martaba mara gubar. Muhimman sigogi sun haɗa da matakin preheat (150-200°C na 60-120s), lokaci sama da ruwa (217°C) na 60-150 seconds, da matsakaicin zafin jiki na 260°C (tare da 245°C da aka ba da shawarar) an riƙe shi na 10-30 seconds. Ya kamata a sarrafa ƙimar hawan da sanyaya zuwa matsakaicin 3°C/s da 6°C/s, bi da bi, don rage girman girgizar zafi. Ba a ba da shawarar tsarin sanyaya mai sauri ba.

6.2 Tsaftacewa da Sarrafawa

Idan ana buƙatar tsaftacewa bayan solder, kawai yakamata a yi amfani da kaushi na barasa kamar isopropyl alcohol. Masu tsabtace sinadarai da ba a bayyana ba na iya lalata ruwan tabarau na silicone ko kayan kunshin. LEDs suna da hankali ga fitar da lantarki na electrostatic (ESD), tare da matsakaicin juriya na 2000V (Samfurin Jikin Mutum). Ya kamata a kiyaye matakan kariya na ESD na yau da kullun yayin sarrafawa.

7. Bayanin Kunshin da Oda

Ana ba da LEDs akan tef da reel don haɗawa ta atomatik. Girman tef da ƙayyadaddun reel (reel inci 7 mai riƙe har zuwa 500 guda) sun yi daidai da ma'aunin EIA-481-1-B. An yiwa lambar rarrabuwar kwandon alama a kan kowace jakar tattarawa, yana ba da damar gano halayen lantarki da na gani na rukunin.

8. Shawarwari na Aikace-aikace da La'akari da Ƙira

8.1 Yanayin Aikace-aikacen Yau da Kullun

Babban aikace-aikacen shine a cikin na'urori masu kashe kwayoyin cuta: masu kashe kwayoyin cuta na saman don wayoyi ko ƙananan abubuwa, raka'o'in kashe kwayoyin cuta na ruwa don tsarin amfani da wuri, sassan tsabtace iska a cikin tsarin HVAC ko masu tsabtace iska masu ɗaukar hoto, da ɗakunan kashe kwayoyin cuta don kayan aikin likita ko na hakori. Ƙananan girman sa yana ba da damar haɗawa cikin ƙananan samfura masu ɗaukar hoto.

8.2 Muhimman La'akari da Ƙira

Da'irar Tuƙi:Direba na yanzu na dindindin yana da mahimmanci, ba tushen ƙarfin lantarki na dindindin ba, don tabbatar da ingantaccen fitarwar gani da hana guduwar zafi. Dole ne direba ya iya samar da ƙarfin lantarki da ake buƙata (≥ VF max) a saitin halin yanzu.

Gudanar da Zafi:Wannan shine mafi mahimmancin al'amarin ƙirar tsarin UVC LED. Babban juriya na zafi (38 K/W) yana nufin zafi yana taruwa da sauri a haɗin gwiwa. Allon da'ira na ƙarfe-core (MCPCB) ko wani ingantaccen maganin sarrafa zafi wajibi ne don kiyaye yanayin zafin haɗin gwiwa ƙasa da 90°C, musamman lokacin aiki a ko kusa da matsakaicin halin yanzu. Dole ne a bi lanƙwasa ragewa.

Ƙirar Gani:Ƙaramin haske mai faɗin digiri 120 na iya buƙatar masu haskakawa ko ruwan tabarau don jagorantar hasken UVC zuwa saman da aka yi niyya don ingantaccen kashe kwayoyin cuta. Kayan dole ne su kasance masu karko na UVC (misali, wasu matakan aluminum, PTFE, quartz) kamar yadda robobi da yawa ke lalacewa ƙarƙashin bayyanar UVC.

Aminci:Radiation na UVC yana da cutarwa ga fata da idanu na mutum. Dole ne samfuran su haɗa da kulle-kulle na aminci, masu ƙidayar lokaci, da garkuwa don hana bayyanar mai amfani. Ana buƙatar lakabi daidai.

9. Aminci da Tsawon Rayuwa

Takardar bayani ta haɗa da cikakken shirin gwajin aminci. Ana yin gwaje-gwaje kamar Rayuwar Aiki na Zazzabi na Daki (RTOL), Rayuwar Aiki na Babban Zafi/Ƙananan Zafi (HTOL/LTOL), da kewayawar zafi har zuwa sa'o'i 3000. An bayyana ma'auni don gazawa a matsayin canji a cikin ƙarfin lantarki na gaba wanda ya wuce 10%, faɗuwar juzu'in haske ƙasa da 50% na ƙimar farko, ko canjin tsayin ra'ayi sama da ±2nm. Waɗannan gwaje-gwaje suna tabbatar da ƙarfin samfurin a ƙarƙashin damuwa daban-daban na muhalli, suna tallafawa da'awar tsawon rayuwar aiki lokacin amfani da su cikin ƙayyadaddun bayanai.

10. Kwatancen Fasaha da Bambance-bambance

Idan aka kwatanta da fitilun UVC na al'ada na tushen mercury, wannan LED yana ba da fa'idodi masu mahimmanci: farawa nan take (babu lokacin dumama), babu abun ciki mai haɗari na mercury, tsawon rayuwa, ƙaramin girman, da dimmability na dijital. Idan aka kwatanta da sauran UVC LEDs, takamaiman haɗin ikon gani (10mW typ @60mA), tsawon ra'ayi (275nm), da girman kunshin (3.5x3.5mm) sun sanya shi don aikace-aikacen da ke buƙatar daidaiton fitarwa da siffar siffa. Cikakken tsarin binning yana ba da tsinkaya don samar da babban ƙarar.

11. Tambayoyin da ake yawan yi (Dangane da Sigogi na Fasaha)

Q: Wane ƙarfin lantarki na direba nake buƙata?

A: Dole ne yardar fitarwar ƙarfin lantarki na direba na yanzu na dindindin ya fi girma fiye da matsakaicin ƙarfin lantarki na gaba (VF max) na kwandon LED da kuke amfani da shi, yawanci 7.0V, da kuma wasu sararin samaniya don asara a cikin alamun da haɗin gwiwa.

Q: Ta yaya zan iya ƙididdige kashin kashe kwayoyin cuta?

A: Kashi (a cikin Joules a kowace murabba'in centimita, J/cm²) shine samfurin haske (ikon gani a kowace yanki na yanki, W/cm²) da lokacin bayyanar (seconds). Dole ne ku auna ko ƙididdige haske a saman da aka yi niyya bisa ga juzu'in hasken LED, kusurwar katako, nisa, da na'urorin gani. Kwatanta wannan da kashin da ake buƙata don kashe ƙwayar cutar da kuke nufi.

Q: Zan iya tuƙi shi a 100mA akai-akai?

A: Kuna iya tuƙi shi a 100mA kawai idan kuna iya tabbatar da cewa yanayin zafin haɗin gwiwa ya kasance ƙasa da 90°C, wanda ke buƙatar sarrafa zafi na musamman. Duba lanƙwasa rage halin yanzu; a manyan yanayin zafi na yanayi, matsakaicin halin yanzu da aka yarda yana da ƙasa sosai.

Q: Me yasa ƙarfin lantarki na gaba yake da girma haka?

A> UVC LEDs sun dogara ne akan semiconductors na aluminum gallium nitride (AlGaN) tare da babban bandgap, wanda a asalinsa yana buƙatar ƙarin ƙarfin lantarki don tada electrons a kan tazara da samar da gajeriyar ra'ayin photons.

12. Nazarin Shari'ar Ƙira da Amfani

Shari'a: Ƙirar kwalban Ruwa mai ɗaukar hoto.Mai zane yana nufin ƙirƙirar kwalbar da zai iya kashe kwayoyin cuta na 500ml na ruwa a cikin dakika 60. Ta amfani da LTPL-G35UVC275GS (X3 bin, 9-10mW), suna shirin amfani da LEDs 4. Jimillar juzu'in haske shine ~36-40mW. Ruwan yana zagayawa bayan LEDs a cikin ɗaki mai bakin ciki. Da zaton 50% ingancin haɗin gani da kuma buƙatar kashin UV don ƙwayoyin cuta na gama gari na 40 mJ/cm², suna ƙididdige yankin saman ɗaki da ƙimar kwarara da ake buƙata. An zaɓi direba na yanzu na dindindin da aka saita zuwa 60mA kowace LED tare da ikon fitarwa na 9V. An haɗa ƙaramin mai sanyaya zafi na aluminum tare da LED MCPCB don sarrafa zafi yayin zagayowar minti ɗaya, yana kiyaye yanayin zafin haɗin gwiwa cikin iyakoki. Fasalulluka na aminci sun haɗa da maɓalli mai haɗin murfi da baƙar fata na waje.

13. Gabatarwar Ka'idar Aiki

UVC LED diode ne na haɗin gwiwar p-n semiconductor. Lokacin da aka yi amfani da ƙarfin lantarki na gaba, ana shigar da electrons a kan haɗin gwiwa kuma suna sake haɗuwa tare da ramuka a yankin aiki. A cikin UVC LED, ƙarfin bandgap na kayan semiconductor (AlGaN) yana da girma sosai (~4.5 lantarki volts). Lokacin da sake haɗuwa ya faru, ana sakin wannan makamashi a cikin nau'in photon (ɗan haske). Tsawon wannan photon yana da sabanin daidaitaccen makamashin bandgap (λ = hc/Eg). Bandgap na ~4.5 eV yayi daidai da tsayin ra'ayin photon kusan 275 nanometers, wanda ke cikin kewayon UVC. Wannan haske mai ƙarfi yana sha ta DNA da RNA na ƙananan ƙwayoyin cuta, yana haifar da dimers na thymine waɗanda ke hana kwafi, ta haka ne suke kashe ƙwayar cuta.

14. Trends na Fasaha da Ci gaba

Filin UVC LEDs yana haɓaka cikin sauri. Manyan abubuwan da suka shafi sun haɗa da:

Ƙara Ingantaccen Ingantaccen Bangon Tukunyar (WPE):Bincike yana mai da hankali kan inganta ingancin ƙididdiga na ciki (yawan electrons suna samar da photons) da ingancin fitar da haske (samun photons daga guntu), wanda kai tsaye yana ƙara juzu'in haske don takamaiman shigarwar lantarki, rage wutar tsarin da kayan zafi.

Tsawon Ra'ayin Tsawon >280nm:Yayin da ~275nm ya fi dacewa don aikin kashe kwayoyin cuta, LEDs masu fitarwa a tsayin ra'ayi kaɗan (misali, 280-285nm) na iya ba da mafi girman ikon fitarwa da inganci yayin da har yanzu suna riƙe da ƙarfin kashe kwayoyin cuta, suna haifar da zaɓuɓɓukan ciniki ga masu ƙira.

Ingantaccen Tsawon Rayuwa da Aminci:Ci gaba a cikin ƙirar guntu, kayan kunshin (musamman masu kulle na UVC), da sarrafa zafi suna ƙara ƙaruwa a hankali tsawon rayuwar aiki (L70, lokacin zuwa 70% na fitowar farko) na UVC LEDs, suna sa su zama masu dacewa don aikace-aikacen ci gaba da aiki.

Rage Farashi:Yayin da yawan masana'antu ke ƙaruwa kuma yawan amfanin ƙasa ke inganta, farashin kowace milliwatt na ikon gani na UVC yana raguwa, yana haɓaka karɓar fasahar LED a cikin ƙarin sassan kasuwa, daga ƙwararrun zuwa samfuran mabukaci.