Simungapite kulikonse padziko lapansi lero osakumana ndi chowunikira cha LED. Ma LED ndi abwino pakupulumutsa mphamvu. Komabe, ma LED sakufananabe ndi mababu achikhalidwe a incandescent potengera mawonekedwe amtundu ndi dimming.

Ma Dimmer okhala ndi ma thyristor Integrated circuits (TRIACs) akulowa m'malo mwa mababu ophatikizika a fulorosenti. Ma LED, ndi nyali za halogen m'malo okhalamo momwe mababu a incandescent amagwiritsidwabe ntchito. Triac imagwiritsidwa ntchito kwambiri mumitundu iyi.

Kuti kuyatsa kwa LED kukhale kogwira ntchito, kuyenera kukhala kopatsa mphamvu komanso kokhalitsa. Imatha kuwongolera zida zamphamvu kwambiri ngakhale idapangidwa ndi zida zotsika mtengo. Chifukwa chake, titha kunena kuti TRIAC ndi chisankho chabwino pakuwunikira ndi zida zina zazikulu zamagetsi zomwe timafunikira kuti tizigwira ntchito modalirika.

Kodi A Triac ndi Chiyani Kwenikweni?

TRIAC ndi gawo lamagetsi lomwe lili ndi ma terminals atatu omwe amatha kuyendetsa magetsi mbali iliyonse ikayatsidwa. Kukonzekera uku ndikofanana ndi ma SCR awiri okhala ndi zipata zawo zolumikizidwa motsatana ndikulumikizana wina ndi mnzake. 

TRIAC imayendetsedwa ndi chizindikiro cha chipata chomwe chimafanana ndi cha silicon carbide (SCR). Chifukwa cha chizindikiro cha chipata, gadget ikhoza kuvomereza zamakono kumbali iliyonse. Ma TRIAC adapangidwa kuti athandizire kasamalidwe ka mphamvu ya AC.

Mutha kusankha pazosankha zingapo zapaketi za TRIAC. Ma TRIAC ndi otetezeka kwathunthu kuti angagulidwe ndi ma voltages osiyanasiyana osiyanasiyana popanda kuwopa kuwavulaza. Ma TRIAC ambiri ali ndi mawonedwe apano osakwana 50 A, otsika kwambiri kuposa a silicon controlled rectifiers. Chifukwa chake, sagwiritsidwa ntchito kulikonse komwe mafunde akulu angawononge. 

TRIACs' ndi yosunthika ngati chipangizo chomwe chimatha kugwira ntchito ndi magetsi abwino kapena oyipa pamatheshoni ake omwe amawapangitsa kukhala chida chothandiza. Izi zimapereka kusinthasintha kwakukulu kwa kukonzanso kwamtsogolo. Popeza ma SCR amalola kuti pakali pano aziyenda mbali zonse ziwiri, sizothandiza ngati ma TRIAC pakuwongolera mphamvu zotsika mumayendedwe a AC. Ndiosavuta kugwiritsa ntchito ma TRIAC.

Kodi Triac Dimming Imagwira Ntchito Motani? 

Kuchokera ku AC gawo 0, dimming yakuthupi imachitika pamene magetsi olowera atsitsidwa mpaka dimmer ya TRIAC itayatsidwa. Izi zimapitilira mpaka mphamvu yotulutsa ifika pamlingo womwe mukufuna. Kusintha phindu la AC ndi momwe dongosolo la dimming limagwirira ntchito. Kusintha kozungulira kwa AC theka-wave iliyonse ndi chinthu choyamba chomwe chiyenera kuchitika.

Olamulira a dimming a TRIAC amagwira ntchito mofanana ndi ma switch ofulumira. Izi ndizomwe zimagwiritsidwa ntchito poyang'anira kuchuluka kwa magetsi omwe akudutsa mu nyali ya LED. Chida chikayatsidwa, chimayamba kusuntha ma elekitironi kudzera m'zigawo zake zamkati.

Nthawi zambiri, imachita izi podula mawonekedwe amagetsi ndikuletsa kuyenda kwamagetsi. Pamene katundu afika pazipita mphamvu.

Kusintha mphamvu ya magetsi ndi imodzi mwa ntchito zambiri zomwe wolamulira wa TRIAC wa kuyatsa kwa LED angathe kuchita. Chifukwa kusinthaku kumatenga nthawi yayitali kuti achitepo, padzakhala kuchepa kwamphamvu kwamagetsi, ndipo chifukwa chake, kuwala kwa babu kudzachepetsedwa.

Kuchuluka kwa mphamvu zomwe zamasulidwa zikhoza kuganiziridwa ndi momwe kusinthaku kumayankhira mofulumira. Mphamvu zambiri zimatayika nthawi iliyonse pamene kusintha kuli ndi nthawi yoyankha mofulumira.

Chifukwa cha nthawi yochepa yoyankha, imalepheretsa kuchuluka kwa mphamvu zomwe zingagwiritsidwe ntchito. Chifukwa cha izi, kuwala kwa LED kudzataya kuwala kwake. Chifukwa chakuti dimming ya TRIAC imachepetsa mwayi wa theka-wave pakulephera ndi Hz flicker.

Sizikhudza moyo wa mababu a LED mofanana ndi Thyristor dimmers, omwe ndi mtundu womwe umagwiritsidwa ntchito.

Kupyolera mu kugwiritsa ntchito ma voltages omwe amatsutsana kwambiri ndi wina ndi mzake pa electrode yachipata cha TRIAC.

Kuwongolera kayendedwe ka magetsi ndi chinthu chomwe chingatheke. Mphamvu imatha kudutsa mu TRIAC ikangotsegulidwa, koma mpaka pomwe pano ikugwera pansi pamlingo wotetezeka.

Derali limatha kunyamula ma voltages apamwamba. Komabe mafunde owongolera omwe amafunikira ndi otsika. Imasintha kuchuluka kwa magetsi omwe amayenda kudzera mu katundu wozungulira. Itha kukwaniritsidwa pogwiritsa ntchito dera la TRIAC ndi gawo lowongolera.

Mukamagwiritsa ntchito babu ya LED yokhala ndi dimmer ya TRIAC ndikufunafuna driver wa TRIAC dimming LED muyenera kuchita izi. Ndikofunika kuwonetsetsa kuti chipangizo cha TRIAC choyimitsira chomwe chikufunsidwa ndi chipangizo cha TRIAC semiconductor.

Pali dimmer yopitilira imodzi ya TRIAC yomwe ingapangidwe kuti ikhale yolimbana ndi katundu. Pamene gwero la kuwala kwa LED likuphatikizidwa ndi dimmer ya TRIAC m'njira yosayenera. Pali kuthekera kuti babu sagwira ntchito bwino, monga umboni wa kung'ung'udza kapena kuthwanima. N'zotheka kuti moyo wa nyali za LED udzachepetsedwa ngati nkhanizi sizingathetsedwe.

Chifukwa Chiyani Sankhani TRIAC? 

Ma TRIAC amatha kusintha ma voltages apamwamba. TRIAC ndi gawo lothandizira lomwe lingapezeke muzinthu zosiyanasiyana zoyendetsera magetsi. Malinga ndi zomwe zapezazi, lingaliro loti TRIAC itha kugwiritsidwa ntchito kusintha magetsi. Ikhoza kugwiritsidwa ntchito mofanana ndi momwe timachitira tsiku ndi tsiku ndi umboni.

Mabwalo a TRIAC amatha kugwiritsidwa ntchito m'njira zosiyanasiyana kuwongolera ndikusintha magetsi a AC. Mwachitsanzo, mutha kuzigwiritsa ntchito popangira ma mota ang'onoang'ono ndi mafani. Ogwiritsa ntchito amatha kuchita zambiri ndi TRIAC chifukwa ndi njira yosavuta komanso yowongolera yomwe imatha kuchita zinthu zingapo.

Kodi Dimming ndi chiyani? 

Kuti musinthe kuchuluka kwa kuwala ndi momwe mukumvera, zomwe muyenera kuchita ndikutembenuza chosinthira pa dimmer. Tsopano pali mitundu yambiri ya madalaivala a dimming omwe alipo.

Dimming madalaivala akhoza kugawidwa m'magulu angapo. Izi ndi ma dimmer a Triac, ma dimmer a LED okhala ndi ma voliyumu osiyanasiyana a 0-10 V, ndi ma dimmer a pulse wide modulation (PWM).

Iliyonse mwa njirazi imasintha kutulutsa kwamagetsi, magetsi, ndi ma frequency. Njira iliyonse m'njira zosiyanasiyana kusintha kuchuluka kwa kuwala kochokera ku gwero.

Kutha kwa Triac 

Dimming ndi triac poyamba anapangidwira incandescent ndi compact fulorosenti mababu. Koma tsopano imagwiritsidwanso ntchito kwambiri ndi ma LED. Chifukwa dimming triac ndi njira yakuthupi.

Triac dimming imayamba ndi AC gawo 0 ndikupitilira mpaka dalaivala wa Triac ayambika pomwe mphamvu yolowera imatsika kwambiri. Voltage input waveform imadulidwa pamakona a conduction. Izi zimapanga mawonekedwe amagetsi omwe ali perpendicular kwa ma voltage input waveform.

Gwiritsani ntchito mfundo ya tangential kuti muchepetse kuchuluka kwa mphamvu zomwe zimafunikira kuti muthe kunyamula katundu wamba. Izi zimabweretsa phindu lamagetsi otulutsa (resistive load) mpaka pamunsi.

The Triac dimmer ndiye muyezo mumakampani chifukwa uli ndi zinthu zambiri zabwino. Zinthu monga kusintha kolondola, kuchita bwino kwambiri, kukula kochepa, kulemera kochepa, ndi ntchito yosavuta kuchokera patali.

Zotsatira zake, zakhala chisankho chosasinthika kwa opanga. Dimming ndi triac ili ndi maubwino ambiri. Ubwino monga ndalama zoyambira zotsika, ntchito yodalirika, komanso mtengo wotsika wopitilira.

Kusintha kwa PWM 

PWM imayimira "pulse-width modulation". Ndi njira yoyendetsera ma analogi omwe amagwiritsa ntchito digito ya microprocessor. Njira imeneyi ndi yothandiza kwambiri.

Njira imeneyi imagwiritsidwa ntchito m'madera ambiri. Amagwiritsidwa ntchito poyezera, kulumikizana, kuwongolera mphamvu ndi kutembenuka, ndi kuyatsa kwa LED, kutchula ochepa. Mwa kusintha zida za analogi ku ulamuliro wa digito, mtengo wa dongosolo ndi kuchuluka kwa mphamvu zomwe zimagwiritsa ntchito zimatha kudulidwa ndi ndalama zambiri.

Kuwongolera kwa digito ndikosavuta kugwiritsa ntchito. Izi ndichifukwa choti ma microcontroller ambiri amakono ndi ma DSP ali ndi owongolera a PWM omwe adamangidwa mu chip. Izi zimapangitsa kuwongolera kwa digito kukhala kosavuta kwambiri.

Kuwerenga kwa pulse-width modulation (PWM) ndi njira yowongoka yodula mphamvu ya siginecha ya analogi. Poyesa kudziwa mphamvu ya chizindikiro cha analogi. Pogwiritsa ntchito ma counter-resolution counters, munthu amatha kusintha ntchito ya square wave.

Ngakhale kuti kupezeka kwathunthu kwa DC kungakhale kapena kusakhalapo nthawi ina iliyonse, chizindikiro cha PWM chimakhalabe cha digito. Magetsi kapena gwero lapano lomwe limazungulira ndikuzimitsa pafupipafupi limaperekedwa ku katundu wa analogi.

Katunduyo amalumikizidwa ndi magetsi a DC nthawi iliyonse yomwe yomalizayo ikugwira ntchito. Mukazimitsa, kulankhulana kumasiya.

Ndi bandwidth yoyenera pafupipafupi, mtengo uliwonse wokhazikika wa analogi ukhoza kusungidwa pogwiritsa ntchito pulse wide modulation (PWM). Pakuwerenga kwanu, chithunzi chosonyeza zizindikiro zitatu za PWM chaperekedwa pansipa.

Kuwala kwa LED 0/1-10v 

Dongosolo la 0-10v dimming ndi njira ya analogi chifukwa dalaivala ali ndi madoko awiri owonjezera a +10v ndi -10v. Dimmer yachikhalidwe ya Triac imakhala ndi doko limodzi la +10v ndi -10v.

Zotsatira za dimming zitha kupezedwa mwa kuwongolera pakali pano yomwe dalaivala amatumiza. Ndicho chimene chimatheketsa. Pankhaniyi, 0V ndi yakuda phula ndipo 10V ndi yowala kwambiri. Pa dimmer yotsutsa, mphamvu yotulutsa ndi 10% pamene magetsi ali pa 1V, ndipo ndi 100% pamene magetsi ali pa 10V.

Mosiyana ndi 0-10V, yomwe ili ndi chowotcha / chozimitsa chomangidwa, 1-10V sichitero, kotero kuwala sikungazimitsidwe kwathunthu.

Dali Dimming 

Kuti muyike ma dimming a DALI, muyenera chingwe chowongolera chokhala ndi ma cores awiri. Kuyika koyambirira kukachitika, njira zowongolera zowunikira zimapangitsa kuti zitheke kuyambiranso mabwalo ounikira pa digito.

mukukhala mkati mwa magawo omwe adakhazikitsidwa kale. Ndi kuyatsa kwa DALI, kuyatsa kwa LED, magetsi amtundu wa LED, ndi makina amtundu wa LED onse adzakhala ndi mphamvu zowongolera zowunikira.

Ngakhalenso bwino, palibe njira ina yaukadaulo wamakono wa dimming yomwe ingafanane ndi kuchuluka kwa dimming komwe kungathe kuchitidwa ndi machitidwe awa. Chifukwa cha zosinthazi, mitundu yaposachedwa ya DALI itha kugwiritsidwa ntchito kuwongolera zonse za RGBW ndi Tunable White.

Ma dimming ballasts omwe amagwiritsa ntchito muyezo wa DALI amatha kuthana mosavuta ngakhale ndizovuta kwambiri zosintha mitundu.

TRIAC Controller & Receiver

Olamulira a TRIAC amakulolani kuti musinthe mbali zambiri za kuyatsa. Amakwaniritsa zotsatira za dimmer setting posintha mofulumira kayendedwe ka magetsi, momwe amagwirira ntchito.

Zimagwiranso ntchito kwa ma LED ndi mitundu ina yaukadaulo wowunikira mwanjira yomweyo.

Ma TRIAC nthawi zambiri amagwiritsidwa ntchito pamalo amphamvu kwambiri, monga kuyatsa, kutentha, kapena kuwongolera ma mota. Ma TRIAC amagwiritsidwa ntchito kuyatsa ndikuzimitsa magetsi mwachangu kuposa ma switch anthawi zonse. Zimathandizira kuchepetsa phokoso ndi EMI zomwe zikadakhalapo.

Mutha kusintha kuchuluka kwa mphamvu zomwe zimatumizidwa ku katundu pogwiritsa ntchito cholandila cha TRIAC. Kuti izi zitheke, imasunga wotchi yolimba pamagetsi omwe amapezeka pakati pa ma terminals a TRIAC ndikuyambitsa katunduyo. 

Zimachitika pamene mphamvuyo ifika pachimake chomwe chakhazikitsidwa.

Wolandira uyu angagwiritsidwe ntchito m'njira zosiyanasiyana. Zitsanzo zina mwa izi ndi ma adapter amagetsi, ma throttles a motors, ndi dimmers za magetsi.

Cholandila cha TRIAC chimagwiritsidwa ntchito m'zida zosiyanasiyana zamafakitale, kuphatikiza zodulira plasma ndi zida zowotcherera, pakati pa zina.

TRIAC Dimmers Ogwiritsidwa Ntchito mu Ma LED 

Ma diode otulutsa kuwala, omwe amadziwikanso kuti ma LED, ayamba kutchuka ngati njira yowunikira chifukwa cha kuchepa kwa mphamvu, moyo wautali, komanso magwiridwe antchito apamwamba.

Chimodzi mwazovuta zochepa za ma LED ndikuti zimakhala zovuta kusintha mawonekedwe a kuwala. Kuchuluka kwa kuyatsa kwa LED kumatha kusinthidwa ndi dimmer ya TRIAC.

TRIAC dimmers amasintha katundu wapano kuti asinthe kuyatsa. Amachita izi posintha mwachangu pakati pa mayiko omwe akugwira ntchito ndi osagwira ntchito. Izi zimabweretsa mphamvu yapakati pamlingo yomwe imatha kuyendetsedwa bwino. Pachifukwa ichi, ndi njira yabwino kwambiri yogwiritsidwira ntchito pazinthu zomwe zimafuna ma dimmer a LED. Popeza samakhudzidwa ndi kusintha kwachangu pakali pano.

Mukamagwira ntchito ndi ma LED, ma dimmer a TRIAC amapereka zovuta zingapo zamtundu umodzi zomwe ziyenera kuthetsedwa.

Musanakhazikitse LED, muyenera kuyang'ana kaye kuti muwone ngati dimmer ingagwiritsidwe ntchito bwino nayo. Kuyang'ana mlingo wamakono wa dimmer ndi sitepe yachiwiri yotsimikizira kuti dimmer imatha kuyang'anira kuchuluka kwa mphamvu zomwe LED idzawononga. Chachitatu, muyenera kuonetsetsa kuti dimmer ndi LED zikugwirizana bwino pozilumikiza pamodzi.

Ma dimmer a TRIAC ndi chida chabwino kwambiri chochepetsera kuchuluka kwa kuwala komwe nyali zanu za LED zimatulutsa mukatsatira malangizo omwe ali pamwambapa. Kuwala kungasinthidwe mosavuta, ndipo palibe kuthwanima kapena kukwiyitsa.

Kuphatikiza pa chilichonse, n'zogwirizana kuti zigwiritsidwe ntchito ndi mitundu yosiyanasiyana ya nyali za LED ndi mababu.

Kodi Leading Edge ndi chiyani? 

Mwachikhalidwe, mababu a incandescent ndi halogen amagwiritsidwa ntchito ndi ma dimmers awa. Popeza kuti ma dimmers anapangidwa kuti azigwira ntchito ndi mababu a incandescent, amafunika mphamvu zambiri kuti agwire ntchito. Chifukwa cha ichi, mtengo wawo ndi wochepa ukaphatikizidwa ndi magetsi otsika mphamvu monga ma LED.

KUGWIRITSA NTCHITO M'mphepete M'mphepete DIMMERS NDI ma LED

Chifukwa chakuti magetsi a LED amagwiritsa ntchito mphamvu zochepa kwambiri, sangakwaniritse zofunikira zochepa za ma dimmers apamwamba.

Chifukwa cha zofunikira zochepa zolemetsa za dimmer yotsogola. Simungathe kupeza zomwe mukufuna pogwiritsa ntchito chimodzi mwazozimitsa izi ndi chingwe chimodzi chowunikira cha LED.

Ma LED amagwiritsa ntchito mphamvu zochepa poyerekeza ndi mitundu ina ya kuyatsa, kotero amatha kuyatsa kwambiri pamene akugwiritsa ntchito mphamvu zochepa kwambiri. Ndi ma dimmers amakono apamwamba, zingatheke kupanga kuwala kochuluka kuposa momwe kumafunikira.

Kuti muzimitse magetsi okhala ndi mphamvu zocheperako, monga ma LED, muyenera kugwiritsa ntchito chounikira chocheperako m'malo mogwiritsa ntchito masitayilo akale a dimmer. Izi zili choncho chifukwa ma trailing edge dimmers amagwira bwino ntchito. Izi zimachitika chifukwa ma dimmers am'mphepete mwa trailing amakhudzidwa kwambiri ndi kusintha kwakung'ono kwamagetsi.

Kodi Trailing Edge ndi chiyani? 

Ma dimmers atsopano otsogola ndi abwino m'njira zingapo kuposa matembenuzidwe akale otsogola.

Kuzimiririka tsopano kumakhala kwabata komanso kochedwa, ndipo pamakhala phokoso lochepa komanso zosokoneza chifukwa cha kusinthaku.

Katundu wocheperako wa ma dimmers aku trailing-edge ndi otsika kwambiri kuposa ma dimmers otsogola.Izi zimawapangitsa kukhala abwinoko pakuwunikira ma LED.

KUGWIRITSA NTCHITO TRAILING M'mphepete DIMMERS NDI ma LED

Mukathira nyali za LED ndi dimmer m'mphepete, lamulo la 10% liyenera kutsatiridwa. Ndizowona kuti dimmer ya m'mphepete mwake yokhala ndi 400W ya mphamvu imatha kunyamula ma 400W a mababu a incandescent, koma ma LED ambiri amatha kunyamula ndi 10W yokha. Izi zikutanthauza kuti, dimmer yathu ya 400W imatha kuwongolera kuchuluka kwa 40W ya nyali za LED.

Katundu wocheperako amayendetsedwa bwino kwambiri ndi ma dimmers am'mphepete. Popeza simuyenera kuda nkhawa ndi katundu wocheperako womwe ma dimmers otsogola amafunikira, mutha kugwiritsa ntchito ma LED ochulukirapo momwe mungafune kuti mupeze zotsatira zomwe mukufuna.

Kusiyana Pakati pa Leading-edge ndi Trailing-edge Dimmers 

Masiwichi a dimmer akutsogolo adagwiritsidwa ntchito kuti achepetse ma incandescent, halogen, kapena maginito maginito okhala ndi mabala.

Izi zidachitika chifukwa ma switch a dimmer akutsogolo anali osavuta kukhazikitsa. Zimawononganso ndalama zochepa kugula kuposa ma switch a dimmer-edge-trailing-edge.

Chifukwa cha switch ya TRIAC, yomwe imadziwikanso kuti "Triode for Alternating Current" switch, yomwe imagwiritsidwa ntchito kuwongolera kuchuluka kwa magetsi omwe amagwiritsidwa ntchito. Dzina lina la zida izi ndi "TRIAC dimmers."

Chifukwa ali ndi katundu wochepa kwambiri. Zosinthira zowunikira zotsogola zomwe zikugwiritsidwa ntchito pano sizigwirizana ndi mabwalo owunikira omwe amagwiritsa ntchito ma LED kapena ma CFL opanda mphamvu. Koma mtundu wa dimming control womwe uli wotchuka kwambiri pakali pano ndi waposachedwa kwambiri.

Magwiridwe a trailing-edge dimmers ndi ovuta kwambiri kuposa omwe amatsogolera kutsogolo. Chifukwa chakuti zimakhala zabata komanso zosalala, zimatha kugwiritsidwa ntchito m'nyumba zambiri.

Chifukwa ili ndi katundu wocheperako, dimmer ya m'mphepete ndi yabwino kuposa dimmer yotsogola. Kwa mabwalo ounikira ochepera okhala ndi mababu ang'onoang'ono, opanda mphamvu.

Kodi Dimming Curve ndi chiyani? 

Dimming curve ndi dzina loperekedwa ku parameter yomwe chipangizo cha dimming nthawi zambiri chimalemba momwe chimagwirira ntchito. Pambuyo pokonza chizindikiro cholowetsa, chipangizo chochepetsera nthawi zambiri chimapangitsa kuti kuwala kufanane ndi ntchito yomwe yakhazikitsidwa pasadakhale.

Izi zidzachitika chipangizocho chikagwira chizindikiro. Monga chitsanzo cha ntchitoyo, kupendekera kocheperako kumatha kuwoneka pachithunzichi.

Poyang'ana kugula zida za dimming, ichi ndi chimodzi mwazinthu zofunika kuziganizira. Zimakhala ndi zotsatira zachangu pa zotsatira zomwe kuwalako kumakhala nako. Ilinso chiwonetsero chakuthupi cha momwe zida za dimming za digito zimagwirira ntchito.

Mitundu Ya Dimming Curve 

Kutengera ndi momwe amawonekera, ma curve amdima amatha kugawidwa m'mitundu ingapo. Tikambirana za mzere wokhotakhota wa dimming ndi logarithmic dimming curve. Zonsezi ndi mitundu ikuluikulu ya ma curve (omwe nthawi zina amatchedwa "square-law" dimming).

Mukamagwiritsa ntchito ma curve a dimming curve, kuchuluka kwa kuwala komwe kumatuluka kumagwirizana mwachindunji ndi kuchuluka kwa mphamvu zomwe zimalowa mu dongosolo. Mphamvu ya chizindikiro cholowera, yomwe ili ndi 25%, idzakhala yofanana ndi mtengo wotuluka.

Chifukwa chake, ma curve a dimming a logarithmic akagwiritsidwa ntchito, zolowa zimasintha momwe dimming imakwera. Kuwala kukatsitsidwa, chizindikiro chotumizidwa kwa dalaivala chidzasintha pang'onopang'ono. Koma pamene kuwalako kukwezedwa, kudzasintha mofulumira.

Dimmer, chomwe ndi chipangizo cholowetsa, kapena dalaivala, amatha kukhala ndi mapindikidwe aliwonse, monga "S" curve, "soft linear" curve, ndi zina (chipangizo chotulutsa). Mtundu woterewu wolowetsa, womwe umatchedwanso "slider," nthawi zambiri umatanthawuza kukupatsani chiwongolero cholondola pagawo lazonse zomwe zalowetsedwa.

Ngati, kumbali ina, mumauza opanga zinthu zomanga kuti mukufuna "linear" kapena "logarithmic" pazida zonse zolowetsa ndi zotulutsa, ndiye kuti mutha kuyembekezera zotsatira zabwino kwambiri.

TRIAC LED Control System Ndi Mawaya Ake 

Kungowonjezera TRIAC mudera lanu kudzalola kuti kuwala kwa LED kusinthidwa kukhala mulingo womwe mukufuna. TRIAC ndi chipangizo cha semiconductor chokhala ndi ma terminals atatu. Kuti muyatse, magetsi amayenera kuyikidwa pachipata chake. Ikhoza kuzimitsidwa pamene magetsi achotsedwa ku terminal.

Pachifukwa ichi, ndi chisankho chabwino pa ntchito yomwe ikufunsidwa. Zomwe zimaphatikizira kuwongolera kolondola kwa magetsi omwe akuyenda kudzera pa LED.

Musanayambe kukhazikitsa dimmer ya TRIAC m'nyumba mwanu, choyamba muyenera kuchotsa chosinthira chowunikira chomwe chili pomwepo.

Ndikofunikira kupanga mgwirizano pakati pa waya wakuda womwe ukutuluka pakhoma ndi waya wakuda womwe umachokera ku dimmer. Potsatira sitepe iyi, muyenera kulumikiza waya woyera wa dimmer ndi waya woyera umene ulipo kale pakhoma.

Pomaliza, mumatha kulumikizana pakati pa waya wobiriwira pansi pa dimmer ndi waya wopanda mkuwa womwe uli pakhoma.

Ubwino Ndi Kuipa Kwa TRIAC Dimmers Mu ma LED 

TRIAC dimming ili ndi maubwino ambiri. zopindulitsa, monga kuchuluka kwa magwiridwe antchito. Amaperekanso mlingo wapamwamba wa kusintha molondola. Amapereka zomangamanga zopepuka. Ilinso ndi kakulidwe kakang'ono komanso kophatikizika komanso chowongolera chosavuta kugwiritsa ntchito, zomwe ndi zina mwazabwino za mankhwalawa.

Njira ya dimming ya TRIAC ndi mtundu wamba wa dimmer womwe mungagule pakali pano. Pali zinthu zambiri zomwe zimapangidwa pogwiritsa ntchito njirayi.

Umodzi mwaubwino wogwiritsa ntchito ma dimmerswa ndikuti ali ndi mtengo wocheperako wa dimming akagwiritsidwa ntchito limodzi ndi kuyatsa kwa LED. Uwu ndi umodzi mwaubwino wogwiritsa ntchito ma dimmers awa.

Chifukwa cha kuchepa kwake, dimmer ya TRIAC ili ndi malire ochepa. Izi zimachepetsa kusuntha konse kwa dimmer. Kugwiritsa ntchito dimmer yamtunduwu kuli ndi vuto.

Pakadalipo pang'ono pang'ono zapano zomwe zikudutsa pakusintha kwa TRIAC ngakhale zitasinthidwa kuti zikhale zochepa. Izi zili choncho chifukwa ntchito ya switch ya TRIAC ndikuyambitsa magetsi. Ndi momwe ma LED amazimitsira pakali pano, ili ndi vuto lovuta lomwe liyenera kuthetsedwa.

FAQs 

LEDYi amapanga apamwamba kwambiri Mizere ya LED ndi neon flex ya LED. Zogulitsa zathu zonse zimadutsa m'ma laboratories apamwamba kwambiri kuti zitsimikizire kuti zili bwino kwambiri. Kupatula apo, timapereka zosankha makonda pamizere yathu ya LED ndi neon flex. Chifukwa chake, pamzere wapamwamba wa LED ndi LED neon flex, kulumikizana ndi LEDYi POSACHEDWA!