Cov ntaub ntawv thiab txhua yam kev LEDs: kev faib tawm, yam ntxwv, lub hom phiaj

LEDs yog ua nce nrov dlaws, thiab nyob rau hauv ntau yam teb. Tej zaum lawv yuav invoked raws li ib tug kho kom zoo nkauj los yog rau lub hom phiaj ntawm teeb pom kev zoo chaw, raws li zoo raws li ntau qhov chaw sab nraum lub vaj tse. LEDs yog muab tso rau hauv kev ua lag luam nyob rau hauv ib tug ncaj ntau yam ntawm kev hloov kho. Lub developers ntawm lub duas paub cov khoom tseg muaj txoj kev daws teeb meem uas yuav muaj feem muaj peev xwm ntawm txoj kev tshiab ua lag luam niches. Yuav ua li cas yog cov feem ntau hom ntawm LEDs niaj hnub no? Vim li cas lub hom phiaj lawv yuav tsum tau siv?

Yuav ua li cas yog LEDs?

Ua ntej xav tias cov hom ntawm LEDs, xyuas kev qhia txog lub duas paub kiag li lawm. Lub LED yog ib tug semiconductor uas muaj peev xwm sawv ntawm converting hluav taws xob tam sim no mus rau hauv lub teeb. Nyob rau hauv rooj plaub no tus semiconductor nti, uas yog nws cov ntsiab tivthaiv yog muaj li ntawm ob peb khaubncaws sab nraud povtseg, yus muaj los ntawm ob tug conductivity hom. Namely - lub qhov thiab electron.

Lub conductivity ntawm ib tug thawj hom yuav lub electron hloov los ntawm ib tug atom mus rau lwm lub, rau cov uas muaj qhov chaw dawb. Nyob rau hauv lem, tus thawj atom yog lwm electron nyob rau yav dhau los ib tug - .. Cia li ib tug, thiab lwm yam no mechanism ua los ntawm covalent bonds ntawm cov atoms. Yog li lawv lub zog tsis tshwm sim. Nyob rau hauv qhov tseeb, nws yog tsiv ib tug zoo xwb, uas yog conventionally xa mus rau raws li ib tug qhov physics. Yog li thaum lub electron qhov tshwm sim nyob rau hauv emission ntawm lub teeb.

Nyob rau hauv nws cov qauv, cov LED rau tag nrho lub zoo ib yam li lub rectifier diode. Hais tias yog, nws muaj 2 tso zis - ib tug anode thiab cathode. Qhov no feature yuav ua rau nws tsim nyog polarity thaum txuas lub LED mus rau lub qhov hluav taws xob hwj chim qhov twg los.

Xam cov coj khoom nyob rau hauv cov kev cov ntaub ntawv, cov pem hauv ntej tam sim no ntawm 20 ma. Nyob rau hauv hauv paus ntsiab lus, cov nqi no yuav txo tau thiab, txawm hais tias nyob rau hauv cov ntaub ntawv no, muaj peev xwm hloov cov xim thiab cov brightness ntawm lub LED down. Nyob rau hauv lem, undesirably kom coj parameter. Yog hais tias tam sim no tshaj qhov zoo nqi, nyob rau hauv thiaj li yuav txo nws mus rau lub kev kawm theem, siv limiting resistor.

Muaj yog ib tug heev heev ntawm nuances uas yuav tsum tau khaws cia nyob rau hauv lub siab thaum kev txhim kho cov LEDs. Qhov no yog predetermined los ntawm lawv cov nrog cov qauv, tiav daim ntawv. Nyob rau hauv tej rooj plaub, tej zaum koj yuav tsum tau siv ib stabilizer rau LEDs thiab lwm yam electronic Cheebtsam los xyuas kom meej qhov hauj lwm ntawm lub ntaus ntawv, uas yog ntsia tau rau hauv cov khoom nyob rau hauv nqe lus nug.

Nyob ntawm seb muaj pes tsawg leeg ntawm semiconductors nyob rau hauv nws LED tej zaum yuav liab, daj, ntsuab los yog xiav. Piv txwv li, yog tias ib tug qauv coj mus rau hauv qhov kev tivthaiv muaj ib tug gallium nitride, lub LED yuav taws nyob rau hauv xiav. Ua tau, ib tug ntawm cov kev rau lub hauv paus uas sawv tawm cov los yog lwm yam hom ntawm lub teeb-emitting diodes, yuav ua tau lawv cov xim.

daim ntawv thov

Tus thawj lub teeb-emitting diodes muab tso rau hauv kev ua lag luam, ua nyob rau hauv cov hlau housings. Maj mam nws pib mus rau hloov yas. Nyob rau hauv cov ntaub ntawv no, cov xim yog feem ntau xaiv raws li nyob rau hauv cov xim ntawm cov LED ci ntsa iab. Txawm li cas los, feem ntau heev tseem muaj pob tshab yas vaj tse nyob.

Covered hluav taws xob yog lug siv nyob rau hauv ntau yam teb. Qhov no yog vim lub fact tias yuav luag tag nrho cov hom ntawm LEDs yog yus muaj los ntawm:

- lub zog efficiency;

- ntev kev pab cuam lub neej;

- los mus txiav txim cov xim ntawm lub teeb thiab kho nws lub hwj chim;

- kev ruaj ntseg;

- tus phooj ywg environmentally.

Yog hais tias peb tham txog lub zog efficiency, LEDs rau tib lub teeb tso zis yuav muaj ho tsawg zog dua pa yaj. LED tsawg zog nyob rau tib lub sij hawm thiaj li tag nrho cov load rau lub zog system ntawm lub tsev. Lub neej ntawm tus ntaus ntawv yuav tsum tau ob peb kaum tawm ntawm lub sij hawm siab tshaj qhov ib uas characterizes qub qhov muag teev. Nyob rau hauv cov ntaub ntawv no, nyob rau hauv cov nqe lus ntawm cov nta LEDs tau kiag li tsis inferior mus rau lawv.

Raws li cov tsim ntawm loj kev thov rau tej khoom, raws li zoo raws li txo tus nqi, LEDs yog nce siv rau tib lub hom phiaj raws li cov pa taws teeb. Tej teeb meem nyob rau hauv lub installation ntawm cov kev txiav txim siab nyob rau hauv kev sib piv nrog tsoos teeb pom kev zoo fixtures tsis tshwm sim. Nws yog tsuas ib qho tseem ceeb kom paub tseeb tias seb ib tug LED yog haum rau installation nyob rau hauv daim phiaj chaw. Qhov no tej zaum yuav tsum tau ua ntej - ua ntej koj muas LEDs - txheeb xyuas nws yooj yim tsis.

Yuav ua li cas lwm yam kev pab yuav suav hais tias ib tug tov?

Yog li, nws yuav muab sau tseg tias cov xim kub ntawm lub LEDs yuav ua tau zoo yam - xws li lub ua ke ntawm cov saum toj no cov xim. Tsis tas li ntawd, tus ntaus ntawv yuav supplemented los ntawm ntau yam cov ntxaij lim dej, uas muaj peev xwm ho nthuav lub Scope ntawm daim ntawv thov ntawm LEDs nyob rau hauv cov nqe lus ntawm kev xaiv ntawm ib tug yam xim kub.

Cov tau ntawm lub hwj chim tswj lub teeb - lwm kom zoo dua ntawm qhov suav hais tias pab kiag li lawm. Qhov kev xaiv no yog ua ke nrog lawv cov qib high zog efficiency. Fais fab LEDs yuav tswj tau - raws li nyob rau hauv lub tiag tiag tej yam kev mob ntawm kev siv teeb pom kev zoo fixtures. Thiab nws tsis cuam tshuam rau cov kev pab lub neej.

LEDs yog environmentally phooj ywg, vim nws tsis emit teeb meem rau tib neeg ntaub ntawv ntawm hluav taws xob. Qhov no yam ntxwv, dua, extends qhov kev siv ntawm cov saum toj no kiag li lawm.

Classification: qhov taw qhia thiab teeb pom kev zoo kev daws teeb meem

Kws txawj qhia ob lub ntsiab pawg ntawm cov LED - qhia thiab illumination. Tus thawj mas npaj los tsim ib tug hniav teeb pom kev zoo nyhuv thiab yog siv raws li ib tug keeb ntawm kho kom zoo nkauj ntawm lub tsev, chav tsev, tsheb. Los yog raws li ib lub cuab tam rau styling text - xws li ib tug banner ad.

Nyob rau hauv lem, yog ib tug teeb pom kev zoo LEDs. Lawv yog tsim los kom cov brightness ntawm chav tsev los yog nyob rau ib tug tej yam cheeb tsam ntawm thaj av - piv txwv li, yog hais tias peb xav txog LEDs rau cov tsheb. Cov uas tsim nyog hom kev daws teeb meem yog ib tug lwm txoj rau qhov kev siv ntawm cov pa qhov muag, thiab nyob rau hauv Feem ntau ntau paaj nyob rau hauv cov nqe lus ntawm lub zog efficiency thiab tej friendliness.

hom ntawm tua

Tiam sis rov qab mus rau lub kev faib ntawm lub LEDs. Koj muaj peev xwm txhais tau ib tug ntau ntawm cov yog vim li cas rau lawv cov menyuamuas nyob rau hauv ib tug los yog lwm hom. Kis tau tawm ntawm cov kws txawj kom ze yuav qhov qee ntawm cov nram qab no lub ntsiab hom LEDs:

- DIP;

- Kab laug sab LED;

- SMD;

- Cob;

- fiber;

- ntsiabteeb.

Cia peb kawm lawv nyob rau hauv kom meej.

Yuav ua li cas yog lub tseem ntawm lub DIP-LED?

Yog hais tias koj kawm nyob rau hauv kom meej txoj kev nyob rau hauv uas cov LEDs nyob rau hauv lub lag luam, lub DIP ntaus ntawv hauv chav kawm ntawv yuav tsum tau ntaus nqi mus rau tus thawj, uas pib rau muab muag nyob rau hauv loj qhov ntau. Cov ntsiab tseem muaju uas tsis muaj tsev nyob nyob rau hauv Certificate nrog kho qhov muag lub Cheebtsam, nyob rau hauv particular ib tug lens, uas ua ib lub teeb beam.

Nws yuav tsum tau muab sau hais tias qhov no qeb ntawm lub teeb-emitting diodes, dua li cov kev loj heev, tsis tshua muaj siv nyob rau hauv high-tech kheej. Feem ntau cov feem ntau cov ntsiab yog siv raws li lub Cheebtsam ntawm illuminated advertising, tapes, highlights, ornaments.

DIP LEDs yuav mus rau hauv qeb ntawm qhov taw qhia. Lawv muaj lwm lub npe - Dil. Lawv ntsia rau lub Rooj Tswjhwm Saib ntawm uas koj yuav tsum rau pre-punch. Nws yuav tsum tau muab sau tias nyob rau hauv lub moj khaum ntawm pawg no muaj peev xwm muab sau ua ke sib txawv ntawm cov LEDs, uas yog txawv nyob rau hauv txoj kab uas hla teeb, xim, khoom siv ntawm siv thiab ua. Nyob rau hauv rooj plaub no tus tsim nyog tsis muaj peev xwm yuav sawv cev nyob rau hauv ib tug ntau yam. Tus duab ntawm qhov suav hais tias kev txiav txim siab - cylindrical. Ntawm cov duas paub LEDs muaj ob monochrome thiab multi-xim ntaus ntawv.

Kab laug sab LED

Qhov no hom ntawm lub teeb-emitting diodes li ib tug tag nrho yog heev uas zoo sib xws rau yav dhau los kiag li lawm. Tab sis lawv muaj ob zaug ua ntau cov lus xaus - 4. Thaum LED DIP - 2. Lub fact tias lub hom xa lub ntsiab muaj ntau tso zis, optimizes tshav kub dissipation thiab pab txoj kev cia siab rau ntawm lub duas paub Cheebtsam. Nyob rau hauv kev xyaum, lawv yog siv nyob rau hauv ntau yam teb, nyob rau hauv particular li LEDs rau cov tsheb.

LEDs ntaus SMD

Cov ntsiab yog tsim nrog rau kev siv ntawm nto-mount tswvyim. Hais tias yog, lawv yog lub teeb-emitting diodes uas yog ntsia ntawm tej nto, hos lwm yam kev daws teeb meem yuav muab ntsia tau rau ntawm lub los ntawm qhov mounting.

Lub qhov ntev ntawm lub LEDs ntawm no hom yuav ua tau ho tsawg tshaj li uas ntawm lwm txoj kev daws teeb meem rau lawv, raws li zoo raws li lub lug uas lawv ntsia. Ib zaug ntxiv, nyob rau hauv cov ntaub ntawv no tsim nyog los tham txog ntau pom thaum tshav kub kub dissipation. Kev siv cov LED hom SMD nyob rau hauv ntau mob mus cuag lub variability ntawm kev ua tau zoo teeb pom kev zoo designs.

SMD-LEDs yog teeb pom kev zoo qeb. Yus ib tug es nyuab qauv. Yog li, lub LED nws tus kheej muaj ib tug hlau substrate. Nws yog taag siv lead ua uas yog soldered ncaj qha mus rau lub substrate hu lub vaj tse. Lens nyob saum toj no tus siv lead ua. Yog li nyob rau hauv ib tug nkaus xwb substrate yuav tsum tau ntsia 1-3 LED. Rau SMD yog hom ntawm high-brightness LEDs, xws li 3528. Cov kev daws teeb meem muaj ib theem siab ntawm kev thov.

LED hom cob

Cov tom ntej no nrov hom LED - Cob. Nws yog tsim los uas siv cov technology, uas yuav lub installation ntawm ib tug siv lead ua ncaj qha rau ntawm lub Rooj Tswjhwm Saib. Cov tshuaj no yog yus muaj los ntawm ib tug loj tus naj npawb ntawm zoo:

- kev tiv thaiv ntawm lub tebchaw tiv thaiv oxidation;

- me me siv qhov ntev;

- lub efficiency ntawm lub tshav kub tog;

- txo tus nqi ntawm LEDs installation - nyob rau hauv kev sib piv, nyob rau hauv particular SMD hom kiag li lawm.

Yog hais tias peb xav txog cov saum toj no-hais hom LEDs, tej zaum nws yuav muab sau tseg tias Cob hom kev daws teeb meem yuav tsum tau ntaus nqi mus rau feem ntau txoj kev. Rau cov thawj lub sij hawm no technology tau siv los ntawm Japanese engineers nyob rau hauv lub lig 2000s. Tam sim no cov ntawm LEDs tseem mus nce chaw.

Raws li kws txawj, xam tau tias yog kev txiav txim siab tau thiab ua tus nrov tshaj plaws nyob rau hauv kev ua lag luam, tshwj xeeb tshaj yog thaum nws tawm los mus rau lub coj mus muag ya ntawm lub tshav pob ntawm domestic teeb pom kev zoo. Nws yog ib nqi sau cia hais tias muaj tej yam nyob rau hauv uas ntawm kev siv cov cob LED yuav tsis yooj yim. Cov - zus tau tej cov kev teeb pom kev zoo khoom. Qhov tseeb hais tias LEDs pom tau hais tias tsis dhau pom los ntawm tus taw tes ntawm view ntawm lub adaptation mus rau lub koom haum ntawm teeb pom kev zoo mus teem lub teeb khov nkhaus. Nyob rau hauv xws li mob, tej zaum yuav muaj ntau haum SMD hom ntaus ntawv.

Piav diodes yog teeb pom kev zoo. Raws li kws txawj, lawv yuav tshwm sim tau zoo dua, raws li nyob rau hauv cov yam ntxwv ntawm luminous flux. Muab tso rau lub lag luam nyob rau hauv cov xim txawv, xws li liab, ntsuab, xiav, thiab dawb. Lub luminous flux ntawm cov qauv muaj dispersion kaum sab xis ntawm 40-120 degrees.

Nyob rau ib lub substrate yuav tsum mounted tshaj 9 cob hom LEDs. Lawv them los ntawm lub phosphor, li no kis tau siab brightness. Nws yuav tsum tau muab sau tias lub teeb flux los ntawm cov ntaub ntawv saum toj no cov ntsiab tshaj SMD hom kiag li lawm. Yog li, yog hais tias peb xav txog cov hom kev LED yog zoo dua, ces tus kev cai tswjhwm kev yuav muaj lub zoo dua ntawm cob-class tshuaj.

Cob hom LEDs no kuj siv nyob rau hauv lub tsheb lag luam. Lawv yuav siv tau raws li ib feem ntawm cov pem hauv ntej thiab nram qab lub teeb, tig Pib ntsais koj teeb. Qhov loj tshaj plaws - mus nruab ib lub ntaus ntawv raug mas yuav kis tau. Ua li no, nws ua rau kev nkag siab rau tig mus rau tej tub txawg.

fiber LEDs

Yuav kom muaj xws li txoj kev fiber LEDs. Lawv nyob rau hauv kev ua lag luam ntev los no, nyob rau hauv 2015. Tsim kev daws teeb meem raug xam tias yog los ntawm engineers los ntawm South Kauslim.

Siv cov LEDs yuav ua tau nyob rau hauv zus tau tej cov khaub ncaws. Uas yog, ib tug yog muaj tiag rau xaws ib lub tsho los yog T-shirt uas yuav ci. Khaub ncaws siv thiab ua cov fiber-raws li LEDs kuj suav cov kev siv ntawm ntau yam polymers thiab txhuas tebchaw.

LED ntsiabteeb

Lwm cov piv txwv ntawm txoj kev LED - ntsiabteeb hom kev daws teeb meem. Lawv lub ntsiab kom zoo dua - siab zog efficiency. Rau tib lub hwj chim, piv txwv li, LEDs xws li cob, ntsiabteeb hom kev daws teeb meem yuav muab ib tug ntau dua lub teeb theem.

Saib khoom innovation yog feem ntau siv nyob rau hauv qhov siv thiab ua lub teeb qhov muag teev. Ntawm cov notable yam ntxwv ntawm cov LEDs ntau lawm - siv mounting ncaj qha rau ib tug substrate ua los ntawm lub khob. Qhov no mus kom ze ua rau nws tau mus faib lub teeb tawm txim liab los ntawm LED 360 degrees.

Yuav ua li cas mus xaiv qhov zoo tshaj plaws kev xaiv?

Yuav ua li cas los mus txiav txim lub hom LED uas yog qib siab rau ib tug tsim? Muaj ib tug xov tooj ntawm cov txheej xwm, uas yuav tsum tau ua nyob rau hauv cov teeb meem no. Nyob rau hauv hauv paus ntsiab lus, nws yog tsim nyog los txhais tau lub Scope ntawm cov LEDs raws li nws cov kev faib nyob rau thaj chaw uas peb tau kawm saum toj no. Peb kawm cov kev xaiv ntawm qhov kev tsim nyog hluav taws xob Cheebtsam uas lub pab kiag li lawm:

- DIP;

- SMD;

- Cob.

Qhov kev xaiv ntawm LEDs: Poob kev hom tshuaj

Raws li peb muab sau saum toj no, lub DIP-LEDs yog cov earliest khoom mus ntaus lub lag luam. Yog li, lawv muab kev koom tes yog heev qub, tab sis tseem nrov technology. Lawv lub ntsiab zoo - yooj yim rau nruab, ib qho yooj yim mus zoo, tsis tshua muaj zog noj, tsis tshua muaj tshav kub, thiab txaus siab degree ntawm kev tiv thaiv tiv thaiv sab nraud raug pa.

Feem ntau cov feem ntau saib LEDs yog muaj nyob rau hauv ib lub cheeb ntawm 3 hli thiab 5 hli. Yog hais tias kev sib piv ntawm hom ntawm LEDs, nws tseem tau mus xaus hais tias qhov suav hais tias kev daws teeb meem yog pom rau hauv daim ntawv thov:

- raws li cov ntsiab ntawm cov tsheb nyob;

- raws li cov hniav Cheebtsam;

- raws li ib feem ntawm cov uas tsis muaj hwj huam - raws li ib qho kev xaiv improvised - teeb moos soos.

Xam tias yog LEDs muaj ib tug kuj tsis tshua muaj nqi thiab muaj nyob rau hauv kev ua lag luam. Nws yuav tsum tau muab sau hais tias cov ntau ces yuav tsum hloov - LEDs rau 12 volts. Lawv muaj peev xwm yuav tam sim no nyob rau hauv ntau yam hauv internet txoj kev, raws li tau zoo raws li tshwj xeeb khw muag khoom noj nyob rau hauv ib tug ntau yam. Ua tau, tag nrho cov LEDs rau 12 volts yus es siab thov nyob rau hauv kev ua lag luam.

Qhov kev xaiv ntawm LEDs: SMD nta xws txiav txim siab

Cov uas tsim nyog hom kev daws teeb meem nyob rau hauv tsos yog fundamentally sib txawv los ntawm lwm tus nyob rau hauv hais tias nws muaj ib tug ca zoo. Mounting cov ntaub ntawv ntawm hluav taws xob Cheebtsam yog nqa tawm tsis muaj kev siv ob txhais ceg. Tam sim no nyob rau hauv SMD hom LEDs yog thov mus terminals uas muaj nyob nrog lawv rov qab sab.

Yog li, installation pab kiag li lawm cov ntaub ntawv yog ua tsis muaj kev siv orifices. LED kev tso kawm yuav ua tau heev compact. Raws li ib tug tshwm sim - tej zaum yuav raug txo kom tsawg thiab cov kev siv nyob rau hauv uas coj pab kiag li lawm muaj nyob rau.

Lub ntsiab txoj kev ntawm daim ntawv thov xam tau tias yog pab kiag li lawm - tib yam tsheb nyob, ntau hom kev kuaj hauv cov chav teeb pom kev zoo. Ntawm cov tseem ceeb tshaj plaws zoo ntawm cov kev xaiv - siab brightness, luminous efficiency. Nyob rau hauv ua ke nrog nrog lub me me luaj li cas ntawm cov ntsiab muaj teeb meem loj zoo dua lwm txoj kev ua qauv ntawm cov khoom.

Cov feem nrov nyob rau hauv kev ua lag luam niaj hnub no - LED hom 3528. Cov khoom uas dav siv nyob rau hauv lub txais LED ib daim hlab. Tus tsim ntawm lub duas paub cov khoom tso cai rau kom tsim peb-xim LEDs - liab, xiav, thiab ntsuab luminescence xim. ntau lwm yam electronic Cheebtsam yog ua rau lub hauv paus ntawm lub hom 3528 dlaws, xws li LED hom SMD 5050.

Xam tias yog khoom no kuj yus affordability. Nyob rau hauv kev ua lag luam lawv yog feem ntau nyob rau hauv ib tug ntau yam.

Xaiv LED: Cob particular hom tshuaj

Ua ntej ntawm tag nrho nws yog tsim nyog sau cia hais tias ntau npaum li cas ntawm cov LEDs ntawm cov coj hom - ib tug heev haib tsim. Lawv cov yam ntxwv feature - tus ceev dispersion ntawm lub teeb, los tso rau ntawm qhov chaw ntawm muaju, uas muab ib tug dynamic tshav kub dissipation.

Xam tias yog LEDs - heev ci. Qhov no ua rau lawv nrov tsis yog siv nyob rau hauv lub tsim ntawm lub tsheb taws. Nws yog ib nqi sau cia hais tias cov khoom no yuav tsum tau ntsia, noj mus rau hauv tus account ib tug xov tooj ntawm ib qho tseem ceeb nuances - xws tsuas tej tub txawg yuav paub. Yog li ntawd nws yog pom zoo kom hu rau lub peev xwm kev pab cuam cov neeg nruab ib lub kev txiav txim siab.