LED teeb yog maj mam hloov lwm yam khoom siv teeb pom kev zoo los ntawm kev ua lag luam. Cov no yog cov khoom siv nyiaj txiag, ruaj khov uas tuaj yeem tsim cov luminous flux ntawm ntau qhov ntxoov ntxoo. Lawv txawv nyob rau hauv ib tug complex ntaus ntawv tshaj incandescent teeb. Lawv muaj ib tug built-in fais fab mov. Tej zaum nws yuav txawv. Yuav ua li cas lub hwj chim mov rau LED teeb ua hauj lwm, uas muaj ntau yam xaiv, yuav tham tom qab.
Fais fab rau LEDs
Txhim kho lub teeb ci LED fais fab mov, koj yuav tsum nkag siab lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm cov txheej txheem no.
Lub hwj chim ntawm cov khoom siv teeb pom kev zoo li no yuav tsum ua kom tau raws li qhov yuav tsum tau ua. Cov tseem ceeb yog raws li nram no:
- zog efficiency;
- reliability;
- electromagnetic compatibility;
- kev nyab xeeb.
tsuas yog muabLED fais fab mov nrog cov npe zoo, koj tuaj yeem ua tiav cov haujlwm raug ntawm lub cuab yeej, txuas nws lub neej.
Nws yog ib qho tsim nyog sau cia tias lub sijhawm ntawm cov teeb pom kev lag luam nthuav tawm yog tsawg kawg 50 txhiab teev. Yog li ntawd, cov khoom siv hluav taws xob yuav tsum ua haujlwm tsawg kawg ib lub sijhawm. Nyob rau tib lub sijhawm, nws yuav tsum nco ntsoov tias lub ntsiab lus tseem ceeb yog vim li cas LED teeb hloov tag nrho lwm hom teeb pom kev zoo yog cov thev naus laus zis txuag hluav taws xob. Yog li ntawd, cov khoom siv hluav taws xob kuj yuav tsum muaj kev ua haujlwm siab. Txwv tsis pub, yuav muaj kev txuag hluav taws xob me me vim yog lub zog hluav taws xob.
Nws tseem tsim nyog sau cia tias qhov pom tau tsuas yog qhov cuam tshuam ntawm electromagnetic cuam tshuam. Yog li ntawd, kev sib raug zoo ntawm LED teeb nrog lub mains nyob ntawm lub hwj chim mov.
Lub ntsiab lus tsuas yog nyob rau hauv cov khoom siv teeb pom kev zoo, uas tau muab cov khoom siv hluav taws xob los ntawm cov khoom siv hauv tsev, yog lub zog rau cov teeb ci LED. 220V nyob rau hauv lub caij no ntawm lub system yog hloov, txo mus rau 12 V ntawm cov zis. Vim li no, kev nyab xeeb hluav taws xob ntawm lub cuab yeej yog nyob ntawm lub cuab yeej no.
Ntxiv rau, cov khoom siv hluav taws xob cuam tshuam rau lub teeb pom kev zoo ntawm lub teeb, ntawm qhov tam sim no yuav ntws los ntawm LED. Yog hais tias nws pulsates, ces lub luminous flux kuj yuav tsis zoo, tsis zoo rau kev pom.
teeb tsa thiab tsav tsheb
Lub hwj huam mov rau 12V LED teeb yog ntau yam ntau yam. Nyob ntawm tus yam ntxwvnws tuaj yeem tsim cov teeb ntawm qhov tso zis ntawm 5, 12, 24, 48 V. Nyob rau hauv rooj plaub no, tam sim no yog hloov los ntawm alternating rau ncaj qha. Qhov no yog qhov yuav tsum tau ua ua ntej rau kev ua haujlwm raug ntawm qhov system.
Ua ntej xav txog cov cuab yeej ntawm lub teeb lub teeb, koj yuav tsum tau them sai sai rau nws qhov chaw hauv kev tsim. Qhov no yuav tso cai rau kev kho yog tias tsim nyog. LED hom teeb muaj tib lub cuab yeej. Yog tias koj rhuav tshem rooj plaub, koj tuaj yeem pom tus tsav tsheb sab hauv. Nov yog lub rooj tsav xwm luam tawm uas xov tooj cua tau soldered.
Lub hauv paus ntawm cov khoom siv nthuav tawm feem ntau muaj G4 loj. Lub hwj chim mov rau LED teeb ua raws tam sim ntawd tom qab nws. Hluav taws xob yog muab rau cov neeg sib cuag ntawm lub cartridge, xa mus rau lub terminals ntawm lub hauv paus. Ob lub xov hlau txuas nrog nws, los ntawm qhov hluav taws xob nkag mus rau tus neeg tsav tsheb (lub hwj chim mov). Ntawm no, qhov tam sim no tau hloov mus rau qhov kev txwv tsis pub dhau. Nws mus rau lub rooj tsavxwm uas cov LEDs tau soldered.
Tus Tsav Tsheb yog lub tshuab hluav taws xob, uas yog lub tshuab hluav taws xob tam sim no. Nws, nyob rau hauv lem, kuj muaj ob peb lub ntsiab Cheebtsam. Qhov hluav taws xob los ntawm tsev neeg lub network ua ntej nkag mus rau lub lim. Nws tshem tawm electromagnetic cuam tshuam. Tom ntej no, tam sim no mus rau lub rectifier. Ntawm no nws ua mus tas li. Cov theem tom ntej ntawm cov khoom siv hluav taws xob yog tsim los rau kev kho cov khoom siv fais fab. Cov theem kawg uas cov hluav taws xob tam sim no hla hauv cov cuab yeej no yog lub tshuab hluav taws xob hloov pauv tam sim no. LEDs txuas nrog nws cov zis.
Txhua lub teeb LED muaj cov cuab yeej zoo li no. Yog tias koj yuav tsum tau sib sau cov khoom siv hluav taws xobLED teeb rau thaum muaj xwm ceev lossis siv dav dav, ua raws li cov txheej txheem teev tseg.
LED Lub Hwj Chim Nta
Lub 220V LED teeb lub zog muaj qee yam haujlwm. Qhov no yuav tsum tau coj mus rau hauv tus account thaum npaj los tsim lossis kho cov cuab yeej no. LED muaj kev sib raug zoo uas tsis yog-linear ntawm voltage thiab tam sim no. Txhua yam khoom siv teeb pom kev zoo ntawm hom nthuav tawm muaj qhov tshwj xeeb no.
Yog li, nrog rau qhov nce ntawm nominal voltage, tam sim no ntawm LED nce sharply. Qhov no yuav ua rau kev tawg. Yog li ntawd, nyob rau hauv pheej yig teeb (feem ntau ntawm Suav keeb kwm), ib tug limiting resistor yog ntsia nyob rau hauv series nrog lub LED. Yog hais tias qhov voltage surge tshwm sim, nws yuav tsis cia qhov tam sim no nce. Tab sis nyob rau hauv cov ntaub ntawv no, lub hwj chim yuav poob thoob plaws lub resistor. Vim li no, qhov ua tau zoo ntawm lub teeb pheej yig txo qis.
Lub hwj chim muab qhov hluav taws xob ib txwm ua rau lub zog ntawm LEDs. Nws yog cov cuab yeej no uas feem ntau suav nrog hauv cov tswv yim ntawm cov teeb ntawm hom nthuav tawm. Lub hwj chim mov rau lub teeb 12V LED lossis nrog qhov sib txawv ntawm cov zis hluav taws xob yog hu ua tus tsav tsheb. Qhov no yog kev lag luam npe ntawm cov khoom siv zoo li no. Lub qhov hluav taws xob tas li rau LEDs uas ua haujlwm ntawm 12 V feem ntau hu ua lub zog hluav taws xob. Yog hais tias lub cuab yeej kuj stabilize lub input tam sim no, ces qhov no yog tus tsav tsheb. Peb tuaj yeem hais tias qhov no yog ib hom khoom siv hluav taws xob uas tau teeb tsa hauv cov teeb pom kev zoo.
Ntau yam khoom siv hluav taws xob
Tom qab xav txog cov cuab yeej thaivfais fab mov ntawm LED teeb, koj yuav tsum tau them sai sai rau ntau yam ntawm xws li pab kiag li lawm. Lawv tuaj yeem yog transformer lossis mem tes. Lawv txawv ntawm cov cuab yeej thiab cov hauv paus ntsiab lus ntawm kev ua haujlwm.
Yog li, lub tshuab hloov pauv yog siv rau ntawm lub plawv ntawm chav tsev transformer. Qhov no yog ib kauj ruam-down device. Qhov hluav taws xob rau txhua lub teeb LED yuav tsum raug txo los ntawm 220 V mus rau 12 V lossis lwm tus nqi xav tau. Tsuas yog tom qab ntawd tam sim no tau muab rau lub rectifier. Txhua lub teeb LED yog siv los ntawm cov khoom siv ncaj qha.
Qhov kom zoo dua ntawm transformer ntau yam ntawm cov khoom siv yog qhov yooj yim ntawm lawv tsim. Lawv muaj peev xwm tiv taus lub load nyob rau hauv idle mode thiab cais los ntawm tsev neeg network. Txawm li cas los xij, qhov nthuav tawm version ntawm block kuj muaj qhov tsis zoo. Cov khoom tseem ceeb yog qhov ua tau zoo tsawg (50-70%), nrog rau qhov kev nkag siab ntawm lub kaw lus rau overloads.
Hloov cov khoom siv hluav taws xob rau LED teeb kuj muaj qhov hloov pauv hauv nws qhov tsim. Tab sis qhov no nws ua haujlwm ntawm ntau zaus. Yog li ntawd, nws qhov hnyav thiab qhov loj me yog ob peb zaug me dua. Ib tug pa transformer fais fab mov ua hauj lwm ntawm ib tug zaus ntawm 50 Hz. Nws loj dua. Kev ua haujlwm ntawm cov cuab yeej impulse yog 70-80%.
Hauv cov ntawv hloov pauv ntawm lub cuab yeej, kuj tseem muaj kev sib cais los ntawm lub network. Cov cuab yeej no kuj tseem nkag siab txog kev thauj khoom ntau dhau, tab sis nws yuav tsum tsis ua haujlwm txawm tias nyob twj ywm. Xws li ib tug ntaus ntawv nrog ib tug tseem ceeb tshaj load yuav ignite.
Tus Tsav Tsheb
Xaiv lub hwj huam mov rau lub teeb LED220 V, koj yuav tsum tau them sai sai rau cov yam ntxwv ntawm cov khoom siv uas feem ntau hu ua tsav tsheb. Cov no yog hloov cov khoom siv hluav taws xob. Lawv stabilize lub outgo voltage uas yog siv rau cov LEDs. Cov khoom siv zoo li no yog ib- thiab ob-theem. Qhov kev xaiv thib ob yog qhov zoo dua. Ob-theem tsav tsheb tau nruab rau hauv feem ntau ntawm cov circuits. Lawv muaj ib txoj hauv kev ua haujlwm tshwj xeeb.
Yog li, thawj theem yog lub hwj chim kho qhov ntsuas. Qhov thib ob lub ntsiab ntawm lub system yog cov zis voltage stabilizer. Lub corrector thaiv yog tsim nyog, vim hais tias tus tsav tsheb yog ib tug pulsed ntaus ntawv hom. Nws yuav tsum ua raws li cov kev cai uas tau teev tseg hauv GOST, uas cuam tshuam txog kev cuam tshuam ntawm kev sib haum xeeb hauv cov khoom siv hluav taws xob.
Ob-theem tsav tsheb ua raws li cov qauv thiab cov kev xav tau uas tau muab tso rau hauv qhov zoo ntawm cov luminous flux. Xws li lub hwj huam mov rau 12 volt LED teeb muaj peev xwm muab qhov sib npaug ntawm 1%. Qhov no yog qhov qhia tau zoo. Cov teeb pom kev zoo li no yuav tsis cuam tshuam rau lub zeem muag thiab lub paj hlwb ntawm tus neeg. Nyob rau hauv cov ntaub ntawv no, lub hwj chim yam ntawm ib tug ob-theem ntaus ntawv yog 0.92-0.96.
Nws tsim nyog sau cia tias qhov nthuav qhia tsav tsheb Circuit Court yog kim heev. Yog li ntawd, manufacturers ntawm pheej yig teeb nruab ib-theem tsav tsheb Circuit Court. Cov tshuab zoo li no tsim nyog rau kev tsim teeb pom kev zoo hauv chav ua noj, chav ua haujlwm, hauv qab daus lossis nkag. Hauv ib chav tsev lossis tsev, koj yuav tsum siv ob theem txheej txheem.
Ib ob peb lo lus ntxiv txog tus tsav tsheb
Tsim nyog nwsNws yuav tsum tau muab sau tseg tias tsis zoo li lub hwj chim mov, tus neeg tsav tsheb tsis muaj xws li ib tug yam ntxwv li "tawm voltage". Cov cuab yeej no tsuas yog tus cwj pwm los ntawm cov ntsuas xws li cov zis tam sim no thiab lub zog. Qhov no txhais tau hais tias cov khoom siv hluav taws xob tau nthuav tawm yuav tsis muab tam sim no nrog tus nqi siab dua li suav los ntawm cov chaw tsim khoom.
Muaj cov tsav tsheb tsim rau qee tus lej ntawm LEDs (piv txwv li, 5 pcs.). Hauv qhov no, koj tuaj yeem txuas cov teeb pom kev tsawg dua, tab sis tsis ntau.
Lwm yam ntawm lub teeb hluav taws xob cov ntsiab lus nthuav tawm tuaj yeem ua haujlwm nrog txhua tus LEDs. Txawm li cas los xij, lawv lub zog tag nrho yuav tsum tsis pub tshaj tus nqi tsim los ntawm cov chaw tsim khoom. Nws yog ib nqi sau cia hais tias universal tsav tsheb yuav muaj tsawg efficiency. Qhov no yog vim qhov tshwj xeeb ntawm kev ua haujlwm ntawm lub tshuab pulse.
Ntau yam tsav tsheb
Muaj ntau ntau hom khoom siv hluav taws xob nthuav tawm rau LED teeb ntawm kev muag khoom. Cov tseem ceeb yog raws li nram no:
- capacitor circuit;
- resistor;
- tsav tsheb nrog cov khoom siv hluav taws xob tsawg;
- chip HV9910;
- network driver;
- LM317 nti.
Kev xaiv nyob ntawm cov yam ntxwv ntawm lub cuab yeej, qhov tsis ua haujlwm ntawm nws txoj haujlwm.
Cov Lus Qhia Tus Kheej
Thaum xaiv cov khoom siv hluav taws xob rau LED teeb, koj yuav tsum paub tias lawv hom uas twb muaj lawm txawv li cas. Cov kws tshaj lij hauv thaj chaw teeb pom kev zoo muab qee cov lus qhia. Mastersthov hais tias thaum siv rau hauv ib lub voj voog tsav tsheb, LEDs tuaj yeem ua haujlwm ntawm lub zog tag nrho. Qhov no yog vim qhov tsis xav tau los txo qhov voltage. Hauv qhov no, LEDs yuav tsis poob vim lub zog nce.
Yog tias lub hwj chim muab los ntawm lub hwj chim, ib feem ntawm qhov hluav taws xob yuav raug siv vim cua sov ntawm cov resistors. Cov tom kawg yog lub luag haujlwm rau kev txwv qhov voltage thaum dhia hauv cov ntsuas tam sim no. Yog li ntawd, los ntawm kev siv lub zog nrog tus tsav tsheb, koj tuaj yeem txuas ntxiv lub neej ntawm LEDs. Qhov tam sim no nyob rau hauv rooj plaub no yuav tsis pub tshaj tus nqi tso cai.
Nws tsim nyog xav tias tus tsav tsheb yog ib qho khoom siv uas tsim los rau tam sim no nrog qee yam ntxwv, lub zog muab. Yog li ntawd, yog tias koj xav sib sau los yog kho cov khoom siv hluav taws xob los ntawm LED teeb nrog koj tus kheej tes, koj yuav tsum xaiv nws raws li tus lej thiab hom LEDs. Lawv lub hwj chim yuav tsum sib haum rau cov khoom siv hluav taws xob xaiv.
Cov khoom siv hluav taws xob zoo siv tau rau txhua yam khoom siv hluav taws xob, thiab tus tsav tsheb tshwj xeeb tsim rau LEDs. Qhov no yuav tsum tau coj mus rau hauv tus account thaum yuav khoom. Muaj ntau ntau yam uas cuam tshuam rau kev xaiv hom fais fab.
Kuv yuav xaiv lub cuab yeej twg?
Cov khoom siv hluav taws xob rau LED teeb, nrog rau cov tsav tsheb, yuav tsum raug xaiv raws li cov yam ntxwv ntawm kev ua haujlwm ntawm lub cuab yeej. Cov kws tshaj lij kws tshaj lij muab qee cov lus qhia txog yam khoom siv hluav taws xob zoo dua los yuav hauv ib rooj plaub tshwj xeeb.
Nws yog qhov zoo dua los siv tus tsav tsheb hauv lub voj voog nrog LEDs, yog tias lub voj voog tsis muajresistors muab. Qhov no tshwm sim yog tias koj xav tau lub zog ntawm tus kheej diodes. Tsis tas li ntawd, cov khoom siv uas nthuav tawm ntau yam yog siv yog tias nws tsis tsim nyog los txiav tawm qee qhov ntawm LEDs ntawm tus tsav tsheb.
Tsis tas li, hauv cov khw tshwj xeeb nws yooj yim dua los xaiv cov khoom siv hluav taws xob tiv thaiv hluav taws xob. Tus tsav tsheb raug xaiv raws li tus naj npawb ntawm LEDs thiab lawv lub zog. Ib tus kws tshaj lij kev muag khoom tsim nyog yuav tsum pab nrog qhov no. Yog li ntawd, thaum yuav cov khoom tsim nyog hauv lub khw, nws yog qhov zoo dua los xaiv tus tsav tsheb.
Yog hais tias lub Circuit Court muab LEDs nrog built-in resistors, nws yog zoo dua mus yuav ib lub hwj chim mov. Qhov kev daws teeb meem no kuj yuav yog qhov tseeb yog tias qee zaum yuav tsum tau tua qee qhov LEDs.
Cov lus qhia xaiv
Cov kws tshaj lij qhia kom mus txog qhov kev xaiv ntawm lub zog hluav taws xob rau cov teeb pom kev zoo ntawm LED. Tig mus rau lub khw tshwj xeeb, koj yuav tsum xub txiav txim siab txog hom hluav taws xob. Tom qab txiav txim siab seb tus tsav tsheb lossis lub hwj chim xav tau, koj tuaj yeem mus rau kauj ruam tom ntej. Tag nrho lub zog ntawm LEDs yog txiav txim siab. Cov khoom siv hluav taws xob yuav tsum tsis tsuas yog ua tau raws li tus nqi no, tab sis kuj tseem muaj cov npoo ntawm li 20%. Txhawm rau xam lub zog, koj yuav tsum tau saib cov ntaub ntawv ntawm lub teeb.
Tus tsav tsheb yuav tsum phim lub zog ntsuas thiab tam sim no ntawm LEDs. Lub zog hluav taws xob uas tso tawm 12 volts yuav tsis ua haujlwm rau 48 volt teeb pom kev zoo.
Tom ntej no, koj yuav tsum tau them sai sai rau qhov ntsuas ntawm kev tiv thaiv lub cev los ntawm huab cua sab nraud. Koj yuav tsum txiav txim siab rau lub hom phiaj twg koj xav tau lub teeb. Yog nws yuavmounted sab nraum zoov, hauv chav damp lossis plua plav, chav tiv thaiv yuav tsum siab. Qhov ntsuas no yog qhia los ntawm cov tsiaj ntawv IP hauv kev kos npe. Rau kev siv hauv tsev, koj tuaj yeem xaiv cov khoom siv hluav taws xob nrog cov chav tiv thaiv qis tshaj plaws. IP65 hom khoom siv yog tsim rau kev teeb tsa sab nraum zoov lossis sab hauv tsev da dej, da dej lossis da dej. Xws li lub hwj huam mov tsis ntshai ntawm kev sib tsoo ncaj qha ntawm lub dav hlau dej ntawm rooj plaub. Tus nqi ntawm cov khoom siv ruaj ntseg yog qhov kev txiav txim siab dua.
