Mukuyang'ana njira yotsika mtengo ya dimming ya LED yomwe imagwirizana ndi makina anu amagetsi omwe alipo? TRIAC dimming ndiye njira yopitira!
TRIAC dimming ndi analogi komanso yosavuta kugwiritsa ntchito dimmer yomwe imasowa kukhazikitsidwa kwapadera. Ngakhale ma dimmers awa nthawi zambiri amapangidwira mababu a incandescent ndi halogen, ma dimmer a TRIAC ogwirizana ndi LED amapezekanso. Amathandizira ma voliyumu apamwamba ndipo ndi otsika mtengo kuposa ukadaulo wina wa dimming. Mupezanso njira zingapo zosinthira dimmer zomwe zimagwirizana ndi dimming ya TRIAC.
Mu bukhuli, ndikuwonetsani mwatsatanetsatane za kuchepa kwa TRIAC, zabwino ndi zoyipa zake, momwe zimagwirira ntchito, ndi zina zambiri. Pamapeto pa bukhuli, ndawonjezeranso kufananitsa pakati pa TRIAC ndi zosankha zina za dimming. Kotero, tiyeni tilowe mu zokambirana:
Kodi TRIAC Dimming ya ma LED ndi chiyani?
TRIAC dimming, yomwe imadziwika kuti dimmer-cut dimmer, ndi njira yowongolera kuwala kwa nyali za LED. Imagwiritsa ntchito chipangizo cha semiconductor chotchedwa TRIAC. TRIAC imayimira "Triode for Alternating Current." Ndi gawo lamagetsi lomwe lili ndi ma terminals atatu omwe amatha kuyendetsa magetsi mbali iliyonse ikayatsidwa. Ma TRIAC adapangidwa kuti athandizire kasamalidwe ka mphamvu ya AC. Zimagwira ntchito ngati chosinthira ndipo zimatha kuwongolera magetsi, kuzimitsa kapena kuwunikira magetsi.
M'mbuyomu, kukonza ma LED ndi TRIAC iyi kunali kovuta; zinali zogwirizana makamaka ndi nyali za incandescent. Komabe, ndi kupita patsogolo kwaukadaulo, madalaivala a dimming a TRIAC adapangidwira ma LED. Imathandizira ma voliyumu osiyanasiyana komanso zosankha zamakono popanda kuvulaza ma LED. Komabe, amakhudzidwa ndi mafunde apamwamba. Poyerekeza ndi Silicon Controlled Rectifiers (SCRs), TRIACs ali ndi chiwerengero chochepa chamakono chochepera 50 A. Komabe, SCRs sizothandiza ngati TRIACs poyang'anira mphamvu zochepa m'mabwalo a AC. Kupatula apo, TRIAC ndiyosavuta kugwiritsa ntchito kuposa ma SCR. Imatha kuthana ndi magetsi abwino komanso oyipa pama terminal ake, zomwe zimapangitsa kuti TRIAC ikhale chida chothandiza.
Kodi Dimming Curve ndi chiyani?
Dimming curve ndi chithunzithunzi cha momwe dimmer imabweretsera kusintha kwa kuwala. Imawonetsa mgwirizano pakati pa chizindikiro chowongolera zolowetsa ndi kuwala komwe kumatuluka pazida zocheperako. Mukamagula ma dimmers, muyenera kuganizira zokhotakhota chifukwa zimakhudza kutulutsa kwa kuwala. Ilinso chiwonetsero chakuthupi cha momwe zida za dimming za digito zimagwirira ntchito.
Mitundu Ya Dimming Curve
Kutengera momwe amawonekera, ma curve ocheperako amatha kukhala amitundu yosiyanasiyana. Tikambirana za mitundu ikuluikulu ya ma curve (omwe nthawi zina amatchedwa "square-law" dimming) - mzere wopindika wa mzere ndi logarithmic dimming curve.
a. Linear dimming curve
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.
b. Logarithmic dimming curves
Mu ma curve a dimming a logarithmic, zolowa zimasintha pamene milingo ya dimming imakwera. Kuwala kukatsitsidwa, chizindikiro chotumizidwa kwa dalaivala chidzasintha pang'onopang'ono. Koma pamene kuwalako kukwezedwa, kudzasintha mofulumira.
Dimmer, chomwe ndi chipangizo cholowetsamo kapena dalaivala, chikhoza kukhala ndi mapindikidwe aliwonse omwe amapangidwamo, 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.
Komabe, mutha kuuza wopanga kuti mukufuna "mizere" kapena "logarithmic" pazida zonse zolowetsa ndi zotulutsa. Izi zidzakubweretserani zotsatira zabwino kwambiri.
Kodi TRIAC Dimming Imagwira Ntchito Motani Pama LED?
Dimmer ya TRIAC imayikidwa pakati pa magetsi ndi kuwala kwa LED. Mphamvu yoperekedwa ku LED imayang'aniridwa ndi dimmer, yomwe imawunikira kapena kuchepetsa kuwala. Imadula voteji ya AC m'magawo ang'onoang'ono ambiri, ndipo chilichonse mwa magawowa ndi theka la sine wave.
TRIAC ndi mapini atatu amagetsi ozungulira magetsi omwe amatha kusinthana pakali pano. Zikhomo zitatuzo zimatchedwa kuti-
- Main Terminal 1 (MT1)
- Main Terminal 2 (MT2)
- Chipata (G)
Poganizira kapangidwe ka mkati, TRIAC dimming imakhala ndi zikhomo wamba ndi ma thyristors awiri okonzedwa motsatana. Chifukwa chokhala ndi chipata chimodzi, imatha kuvomereza zapano mbali zonse ziwiri. Kupatula ma thyristors, zida zoyambira monga ma capacitor ndi ma potentiometers zimagwirira ntchito limodzi kuti zichepetse kuwala. Nawa kufotokozera mozama kwa makina a TRIAC dimmings':
Kuyambitsa kwa Thyristor
The thyristor ndi atatu-terminal semiconductor- ma terminals awiri akuluakulu ndi chipata chimodzi. Imatsegulidwa pamene choyambitsa chaching'ono chamagetsi chimaperekedwa pachipata. Ikangotsegulidwa, imatsegula chipata ndikudutsa pano kupita ku ma terminals awiri akulu. Choyambitsa chapanochi chimaperekedwa pang'onopang'ono. Pamene ikukhudzana ndi zamakono, chipata chimatsegulidwa, ndipo pamene palibe mphamvu yoperekedwa, imatseka. Mofananamo, zipata zimatseka ndi kutseguka maulendo 50 mu sekondi imodzi. Mwanjira iyi, ma thyristors amapanga mafunde apano m'magulu ang'onoang'ono m'malo moyenda mosalekeza.
Komabe, nthawi ya chitseko choyambitsa chitseko imakhudza kuyenda kwamakono komwe kumayambitsa kuchepetsa kapena kuwunikira kuwala. Ngati chipata chimayambitsidwa kumayambiriro kwa sinusoidal cycle, ndiko kuti, pafupi ndi chiyambi cha mafunde, zowonjezereka zimatha kudutsa. Zotsatira zake, kuwalako kumakhala kowala. Mosiyana ndi izi, ngati chipata chikayambika kumapeto kwa sinusoidal cycle, kuchepa kwaposachedwa kumachepetsa kuwala.
Capacitors Charging Cycle
A capacitor amalamulira kutsegula ndi kutseka kwa chipata cha thyristor. Amasunga mphamvu zamagetsi. Ikakhala pamalipiro, chipatacho chimakhalabe chotsekedwa, kulepheretsa kuti panopa isafike pazitsulo zazikulu. Pamene capacitor imakhala yokwanira, imatsegula chipata, kulola kuti madzi ayendetse, motero, kuwala kumawala. Kutalika kwa kulipiritsa kumadalira mphamvu ya capacitor. Ma capacitor akuluakulu ali ndi mphamvu zambiri ndipo amatenga nthawi yambiri kuti azilipira.
Kukaniza Kukaniza ndi Potentiometer
TRIAC dimmer ilibe chowongolera cha digito. Chotsutsana chosinthika, potentiometer ndi capacitor chimayang'anira nthawi ya chitseko choyambitsa. Potentiometer imabwera mu mawonekedwe a knob kapena dial. Mukasintha potentiometer, kukana kwa TRIAC dimmer kumasintha. Chotsatira chake, kuchuluka kwa kayendedwe ka panopa mu capacitor kumasinthanso. Izi zimakhudza nthawi ya ma pulses pa gwero la kuwala.
TRIAC Dimmer Control
Kusiyana kwa TRIAC kumatenga voteji yolowera kuchokera kugwero lamagetsi ndikuisintha kukhala ma pulses aifupi kudzera pa potentiometer ndi capacitor. Kwa ma pulses aatali, kutuluka kwa panopa kumawonjezeka ndipo kutulutsa kuwala kumakhala kowala. Apanso, kwa ma pulses aifupi, kutuluka kwa panopa kumachepa, kumachepetsa kuwala. Mwanjira iyi, dimmer ya TRIAC imakupatsani mwayi wowongolera kuwala kwa kuyatsa kwa LED.
Kodi TRIAC Dimming Imapindulira Bwanji Nyali za LED? – Ubwino
High Voltage Support
Ngakhale ma dimmer a TRIAC amakhudzidwa ndi mafunde apamwamba, amathandizira ma voltage apamwamba (pakati pa 100-240V AC). Chifukwa chake mutha kuzigwiritsa ntchito popanga nyumba komanso malonda. Komabe, kuti muthane ndi ma voltage apamwamba mukugwiritsa ntchito zida zocheperako za LED, TRIAC dimmer nthawi zambiri imafunikira zida zowonjezera monga LED yoyendetsa. Mwachitsanzo, mu nyali za mizere ya LED, dimmer iyenera kukhala ndi dalaivala wa LED kuti asinthe ma AC apamwamba kukhala otsika mphamvu ya DC.
Smooth Dimming Control
TRIAC dimmer imakupatsirani kuwongolera kolondola pakuwala kwa nyali za LED. Zomwe muyenera kuchita ndikusintha koboti yowongolera kapena potentiometer, ndipo kuwala kumachepera kapena kuwunikira moyenerera. Mwachitsanzo, kutembenuza chowongolera m'mwamba kapena kuzungulira koloko kumawonjezera kuwala. Momwemonso, kusuntha kobowo pansi kapena kuizungulira motsatana ndi koloko kudzachepetsa kuwala. Mwanjira iyi, aliyense atha kugwiritsa ntchito dimmer ya TRIAC kuwongolera kuwala popanda kufunikira chidziwitso chilichonse chaukadaulo kapena kugwiritsa ntchito zida zowonjezera.
kudalirika
TRIAC dimmer ndiukadaulo wa analogi, kotero palibe zodetsa nkhawa kuti zitha kubedwa kapena kusagwirizana m'tsogolo. Mutha kuyimitsa chosinthira cha dimmer muzitsulo zanu zapakhoma ndikuzigwiritsa ntchito kwa zaka popanda kukweza kapena kusintha.
Kukula Kwakukulu & Kuyika Kosavuta
Kukula kophatikizika kwa dimmer ya TRIAC kumakupatsani mwayi wowayika m'malo olimba. The unsembe ndondomeko komanso wokongola losavuta. Amabwera m'mayunitsi amodzi, ndipo mutha kuwayika mu mawaya omwe analipo kale mosavuta.
Zotsika mtengo
Poyerekeza ndi zosankha zina za dimming, TRIAC dimmer ndiyotsika mtengo. Ili ndi mawonekedwe oyambira omwe ali ndi thyristor, capacitor, ndi potentiometer. Mtengo waukulu wa dimmer ya TRIAC kwenikweni zimatengera kusintha kwake kwa dimmer ndi nyumba. Chifukwa chake, posankha masinthidwe osavuta, mutha kusunga ndalama. Izi zimapangitsa kuti dimmer ya TRIAC ikhale yoyenera nyumba, maofesi, malo osungira, etc.
Zoyipa Zogwiritsa Ntchito TRIAC Dimming Ndi Nyali Za LED - Zoyipa
Kugwedezeka Kotheka ndi Kung'ung'udza
Kuyatsa ndi kuzimitsa kambirimbiri kapena kuzungulira kwachangu kwa ma dimmer a TRIAC kumatha kuwononga zida zamkati zama LED. Izi zimabweretsa zovuta zama LED. Kupatula apo, kumabweretsanso kumveka kong'ung'udza komwe kumakhudzanso kuwunikira.
Kuchepetsa Kutha Kwa Moyo Wanu
Dimmer ya TRIAC yosagwirizana imatha kukhudza kwambiri moyo wautali wa nyali za LED. Apanso, ntchito yosinthira mwachangu ya dimmer iyi imatha kuwononga ma LED komanso kuwawotcha, kuchepetsa nthawi ya moyo.
Ma Dimming Drives Ocheperako & Limited Dimming Range
Dimmer ya TRIAC imangokhala ndi kuzungulira kwa AC ndipo imagwira ntchito ndi magetsi a AC LED. Kupatula apo, monga zosankha zina zapamwamba za dimming, sizingathe kuyimitsa kutuluka kwapano. Chotsatira chake, kachulukidwe kakang'ono kamakono kakuyendabe ngakhale pa malo otsika kwambiri. Izi ndizofunika kwambiri pamapulogalamu omwe amafunikira chowongolera chowongolera ngati kuwala, mwachitsanzo, magetsi owonetsera.
Kugwiritsa Ntchito Mphamvu Zochepa
TRIAC dimmer sigwiritsa ntchito mphamvu zonse zotengedwa pakhoma. Zochepa chabe zomwe zimaperekedwa ku LED kuti zichepetse kuwala kwake. Kupatula apo, mukamagwiritsa ntchito ma dimmers a TRIAC okhala ndi magetsi okwera kwambiri a LED, mphamvu zina zimatayikanso, monga kutentha ndi zida zina mkati mwa TRIAC. Izi zimawapangitsa kukhala opanda mphamvu kwambiri poyerekeza ndi ukadaulo wina wa dimming monga PWM.
Mtundu wa TRIAC Dimmer: Mphepete Yotsogola & Mphepete Yotsatira
Kutengera njira zosiyanasiyana za dimming mumayendedwe abwino a theka ndi theka loyipa, dimmer ya TRIAC ikhoza kukhala yamitundu iwiri:
1. Leading-Edge Dimming
Dimming yotsogolera-m'mphepete imadziwikanso ngati dimming yapatsogolo. Mwa njira iyi, dimming mu AC imayamba kumayambiriro kwa theka labwino. Ndiye kuti, kuyenda kwapano kumayimitsidwa atangodutsa zero, ndipo mawonekedwe a AC akuyamba. Izi zimayimitsa kaye pang'ono mphamvuyo isanafike pokonzekera.
2. Trailing-Edge Dimming
Trailing-edge dimming imadziwikanso kuti reverse-phase dimming. Apa, kuchepa kwa AC kumayamba kumapeto kwa theka labwino. Ndiye kuti, kuyenda kwaposachedwa kumayima asanadutse ziro, ndipo mawonekedwe a AC amatha. Mwa njira iyi, kuti muchepetse kuwala, kukula kwamakono kumatsika pang'onopang'ono kuchokera pamtengo wapatali.
Kusiyana Pakati pa Leading-Edge ndi Trailing-Edge Dimmers
Zosintha zotsogola za dimmer ndizosavuta kukhazikitsa ndipo zimakhala ndi masinthidwe osavuta. Ichi ndichifukwa chake izi zidagwiritsidwa ntchito pochepetsa ma incandescent, halogen, kapena maginito opangira waya. Kupatula apo, ma dimmer awa ndi otsika mtengo kuposa masiwichi amtundu wa trailing-edge dimmer. Ma dimmers otsogola amakhala ndi katundu wocheperako, koma zowunikira zatsopano kapena zaposachedwa zimagwiritsa ntchito mphamvu zochepa. Ichi ndichifukwa chake ma switch a dimmer akutsogolo sakugwirizananso ndi zowunikira zamakono zamphamvu zotsika ngati ma LED kapena ma CFL.
Mosiyana ndi izi, ntchito za trailing-edge dimmers ndizovuta kwambiri kuposa zotsogola. Amakhala ndi katundu wocheperako ndipo ndi oyenera kuwunikira ma dimming mabwalo okhala ndi mababu ang'onoang'ono, opanda mphamvu. Kuonjezera apo, ma dimmers am'mphepete mwa m'mphepete amakhala chete komanso osalala kuposa otsogola. Komanso samakonda kuthwanima komanso kutentha kwambiri. Izi zimagwiritsidwa ntchito kwambiri kuwongolera zogona komanso kuyatsa kwamalonda. Komabe, ma dimmers am'mphepete ndi okwera mtengo poyerekeza ndi ma dimmer otsogola.
| Zotsatira | Ma Dimmers Otsogola | Trailing-Edge Dimmers |
| Direction of Dimming | Dimming ya Forward phase imadula mbali yakutsogolo ya mawonekedwe a AC waveform | Reverse dimming imadula mbali yomaliza ya mawonekedwe a AC waveform |
| Technology | Old | yatsopano |
| Katundu Zofunika | Imafunika katundu wocheperako kuti agwire bwino ntchito | Zimagwira ntchito bwino ndi katundu wocheperako. |
| Kugwirizana Ndi | Zowunikira zachikhalidwe monga- mababu a incandescent ndi halogen | Kuwala kwamagetsi otsika ngati ma LED ndi ma CFL |
| magwiridwe | Zambiri | Zovuta kwambiri |
| Kugwiritsa Ntchito Mphamvu | Zochepa | Zambiri |
| Phokoso Lamagetsi | Pangani phokoso lochulukirapo | Yachangu komanso yosalala |
| Cost | mtengo | mtengo |
Ndi TRIAC Dimmer Iti Yoyenera Kwa LED: Leading-Edge Kapena Trailing-Edge?
Ma dimmers otsogola adapangidwira mababu ogwiritsira ntchito mphamvu zambiri monga incandescent ndi halogen. Popeza nyali za LED zimagwiritsa ntchito mphamvu zochepa, sizigwirizana ndi ma dimmers otsogola. M'malo mwake, magetsi a LED alibe katundu wochepera wofunikira kuti agwiritse ntchito ndi ma dimmers oterowo. Chifukwa chake, ngati mugwiritsa ntchito ma dimmers otsogola okhala ndi LED, imakumana ndi zovuta komanso kung'ung'udza.
Trailing-edge dimming ndi yabwino kwa nyali za LED chifukwa zimagwirizana ndi mababu osagwiritsa ntchito mphamvu zochepa. Komabe, mukamathira magetsi a LED okhala ndi dimmer ya m'mphepete, muyenera kutsatira lamulo la 10%. Malinga ndi lamuloli, dimmer iyi imatha kugwiritsa ntchito 10% ya mphamvu zake zonse ndikuwongolera nyali za LED. Mwachitsanzo, ngati m'mphepete mwa dimmer yokhala ndi mphamvu ya 400W imatha kugwira mosavuta 400W ya mababu a incandescent, imatha kunyamula ma 10W okha amagetsi a LED. Izi zikutanthauza kuti, dimmer ya 400W imatha kuwongolera kuchuluka kwa 40W ya nyali za LED.
Komabe, ma dimmers a trailing-edge amayang'anira katundu wocheperako m'njira yabwino kwambiri. Chifukwa chake, simuyenera kuda nkhawa ndi kuchuluka kwakukulu komwe ma dimmers otsogola amafunikira. Mutha kugwiritsa ntchito ma LED ambiri momwe mukufunira kuti mukhale ndi zotsatira zomwe mukufuna. Izi zimapangitsa kuti dimming-m'mphepete ikhale yoyenera nyali za LED poyerekeza ndi dimming yakutsogolo.
Mitundu ya TRIAC Dimmer Switches
a. Single Pole Swichi
Masiwichi amtundu umodzi ndiye dimmer ya TRIAC yomwe imagwiritsidwa ntchito kwambiri m'nyumba kapena m'nyumba. Kuwongolera kuwala, amabwera ndi slider, dial kapena on/off batani. Masiwichi amtundu umodzi amakhala ndi masinthidwe oyambira kwambiri poyerekeza ndi masiwichi ena a dimmer. Imakhala ndi mawaya atatu opangidwa ndi waya wotentha, wosalowerera, komanso waya pansi. Komabe, imatha kuwongolera chowunikira chimodzi chokha kuchokera pamalo amodzi.
b. 3-Way/4-Way Kusintha
Ma switch a 3-way ali ndi masinthidwe ovuta kwambiri kuposa masiwichi amodzi. Ili ndi mawaya anayi - waya wotentha, waya wokulirapo, ndi mawaya awiri apaulendo. Mawaya apaulendowa amalumikizidwa ndi switch ina pamalo ena. Izi zimalola masiwichi a 3-way kuti azitha kuwongolera imodzi kapena zingapo kuchokera kumalo awiri osiyana.
Masinthidwe a 4 ndi abwino kwa malo akulu omwe amafunikira malo angapo owongolera kuwala. Zimakuthandizani kuti muziwongolera kuyatsa kuchokera ku masiwichi/malo atatu osiyanasiyana. Komabe, masiwichi a 4-way samalumikizana mwachindunji ndi mawonekedwewo. M'malo mwake, amagwiritsidwa ntchito limodzi ndi masiwichi awiri a 3-way omwe amakhala ngati mlatho.
c. Kusintha kwa Malo Ambiri
Kusintha kwamalo ambiri ndi mitundu yapamwamba ya masinthidwe a 4-way omwe amakulolani kuwongolera kuyatsa kuchokera kumalo oposa atatu. Pogwiritsa ntchito masiwichi awa, mutha kukhala ndi ma dimming awiri osiyana mchipinda chanu. Izi zimawapangitsa kukhala oyenera kugwiritsa ntchito zomwe zimafuna kuwongolera kolondola komanso kokulirapo pakuwunikira.
d. Masinthidwe a plug-in
Masiwichi a pulagi ndi njira yosunthika ya dimming ya TRIAC. Amapangidwira nyali kapena zosintha zomwe zimalumikizidwa muzotengera zamagetsi. Kuti muwonjezere kutha kwa zida zotere, simusowa zovuta za hardwiring. Ingolumikizani chosinthira cha pulagi-in dimming mu soketi ya khoma, ndipo mutha kuwongolera magetsi. Komabe, onetsetsani kuti nyali za LED zomwe zimagwiritsidwa ntchito mu nyali ndizozimiririka kuti zigwirizane ndi ma switch a plug-in.
e. Kusintha kwa Smart
Ma switch a Smart amakupatsirani kusinthasintha kwakukulu pakuwongolera zowunikira. Ali ndi cholumikizira cholumikizidwa chomwe chimalumikizana ndi smartphone yanu. Mutha kuwongolera kuwala ndi foni yanu kulikonse kudzera pa intaneti. Ndiko kuti, ngakhale simuli panyumba panu, mutha kuwongolera kuunikira kwa nyumba yanu kuchokera kunja. Kupatula apo, imalola zinthu zapamwamba ngati zoikamo za timer. Mutha kukhazikitsa nthawi yoyatsa ndi kuzimitsa pogwiritsa ntchito pulogalamu yomwe ikugwirizana ndi foni yanu yam'manja. Magetsi azingoyatsa kapena kuzimitsa malinga ndi dongosolo.
Momwe Mungasankhire Dimmer Yoyenera ya TRIAC Yama LED?
Muyenera kuganizira zotsatirazi kuti muwonetsetse kuti dimmer ya TRIAC yomwe mumagula imagwira ntchito bwino ndi kuyatsa kwanu kwa LED:
Mtundu wa Babu & Kugwirizana Ndi LED
Kumbukirani, ma dimmer a TRIAC amapangidwa makamaka kuti azigwirizana ndi miyambo ngati incandescent ndi mababu a halogen. Ngati mukukonzekera kugwiritsa ntchito ndi ma LED, onetsetsani kuti ma dimmers akugwirizana ndi magetsi a LED. Kuonjezera apo, kuwala kuyenera kukhala kosavuta. Kugwiritsa ntchito dimmer ya TRIAC yokhala ndi kuwala kwa LED komwe sikungathe kuzimitsidwa kumachepetsa moyo wazomwe zimapangidwira. Kuphatikiza apo, zitha kuyambitsa zovuta komanso zovuta zogwira ntchito.
Tengerani Mphamvu
Nyali za LED zimagwiritsa ntchito mphamvu zochepa poyerekeza ndi mababu a incandescent ndi halogen. Chifukwa chake, muyenera kugwiritsa ntchito dimmer ya TRIAC yomwe imagwira ntchito ndi katundu wocheperako. Pewani kugwiritsa ntchito chowunikira chakutsogolo cha TRIAC chokhala ndi kuwala kwa LED. Amapangidwira mababu okhala ndi mphamvu zambiri ndipo sali oyenera ma LED.
Dimming Range
Poyerekeza ndi zosankha zina za dimming, ma dimmer a TRIAC ali ndi malire ochepa. Chifukwa chosagwirizana, kuwala kwa LED sikungachepetse mpaka ziro. Chifukwa chake, simupeza zotsatira zomwe mukuyembekezera. Chifukwa chake, yang'anani bwino mawonekedwe a LED ndi dimmer ya TRIAC kuti muwonetsetse kuti mumapeza dimming yomwe mukufuna.
Mawonekedwe
Mukufuna zowunikira mwanzeru m'nyumba mwanu? Sinthani nyumba yanu kukhala nyumba yanzeru yokhala ndi ma dimmer a TRIAC omwe ali ndi zida zolumikizirana ndi ma smartphone. Ma dimmers awa amaphatikizana ndi mapulogalamu ndikukulolani kuti muwongolere nyali za LED pogwiritsa ntchito foni yamakono kuchokera kulikonse. Mutha kuyang'ananso mawonekedwe owongolera mwachilengedwe mu TRIAC dimmer. Mwachitsanzo, ganizirani zinthu monga masiladi kapena ma touch interfaces kuti muzitha kuziwongolera mosavuta.
Zofunika Zokonzera
Ma dimmer ena a TRIAC angafunike waya wosalowerera, pomwe ena sangafune. Chifukwa chake, muyenera kuyang'ana ngati waya wa bokosi lanu losinthira lomwe lilipo likufanana ndi dimmer. Kupatula apo, kuyika kwa TRIAC dimmer kumadalira pakufunika kowongolera kuwala. Mwachitsanzo- ngati mukufuna kuwongolera malo ambiri pamagetsi, mufunika kusintha kwamalo angapo kapena kuyika ngati masiwichi a 3 kapena 4. Kupatula apo, danga ndi kukula kwa dimmer ya TRIAC ndizofunikanso. Muyenera kuwonetsetsa kuti dimmer yomwe mumagula ikuyenera kulowa mu bokosi losinthira popanda kuchulukitsa.
AC Dimming vs. DC Dimming: Dziwani Zofunikira Zanu za LED
Ma dimmer a TRIAC amagwira ntchito pa AC pano ndipo amapangidwira mababu a incandescent ndi nyali zina za LED. Komabe, magetsi ena a LED, monga mizere ya LED, nthawi zambiri amagwira ntchito pa AC. Pankhaniyi, ndi bwino kusankha DC dimmer. Ngati mumagwiritsa ntchito dimmer ya TRIAC yokhala ndi mizere ya AC LED, onetsetsani kuti ili ndi dalaivala yomangidwa mkati yomwe imatembenuza AC kukhala DC isanadutse zomwe zilipo.
TRIAC LED Control System Ndi Mawaya Ake
TRIAC ndi chipangizo cha semiconductor chokhala ndi ma terminals atatu- chipata chimodzi ndi ma terminals awiri akulu. Kuti muyatse, muyenera kuyika voliyumu pachipata chake. Dimmer imazimitsa pamene mukuchotsa magetsi pachipata. Chifukwa chake, dimmer iyi ndiyabwino pamapulogalamu omwe mukufuna kuwongolera kuthamanga kwa ma LED.
Kuti muyambe kukhazikitsa dimmer ya TRIAC, choyamba muyenera kuchotsa chosinthira chowunikira chomwe chilipo. Mukachichotsa, gwirizanitsani waya wakuda wa dimmer ku waya wakuda wotuluka pakhoma. Mofananamo, gwirizanitsani waya woyera wa dimmer ndi waya woyera womwe ulipo wa khoma.
Pomaliza, lumikizani waya wopanda mkuwa wapakhoma ndi waya wobiriwira pa dimmer, ndipo zatheka. Mwanjira iyi, mutha kuyimitsa ma waya a TRIAC mwachangu komanso mosavuta.
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. Amayatsa ndi kuzimitsa magetsi mwachangu kuposa ma switch okhazikika. Chifukwa chake, zimathandizira kuchepetsa phokoso ndi EMI zomwe zikadakhalapo.
Kumbali ina, pogwiritsa ntchito cholandila cha TRIAC, mutha kusintha kuchuluka kwa mphamvu zomwe zimatumizidwa ku katundu. Kuti izi zitheke, imasunga wotchi yolimba pamagetsi omwe alipo 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.
TRIAC Dimming vs. Ma Dimmers ena
Kupatula TRIAC, pali mitundu ina yambiri ya ma dimmers omwe amapezeka kuti azitha kuyatsa. Apa, ndaphatikizanso kufananitsa kwa mbali ndi mbali kwa TRIAC dimming ndi mitundu ina kukuthandizani kusankha yabwino kwambiri:
TRIAC Dimming vs 0/1-10V Dimming
Monga TRIAC, dongosolo la 0-10V ndi njira yochepetsera ya analogi. Dalaivala mkati mwake ali ndi madoko awiri owonjezera a +10V ndi -10V. Komabe, dimmer yachikhalidwe ya Triac imakhala ndi doko limodzi la +10v ndi -10v.
Kusintha kwa dimming kwa 0/1-10V kumawongolera ma siginecha amagetsi opepuka pakati pa ziro ndi ma volts khumi (pazodyera 0-10V) komanso kuchokera pa volts imodzi mpaka khumi (pazodyera 1-10V). Pamenepa, 0V imapangitsa kuti mdima uwonongeke, ndipo 10V ndiye mulingo wowala kwambiri. Mu 1-10V dimming, zotuluka panopa ndi 10% pamene voteji ali pa 1V, ndipo ndi 100% pamene voteji ali pa 10V. Mosiyana ndi 0-10V, yomwe ili ndi chosinthira cholowera / chozimitsa, 1-10V sichitero. Chifukwa chake, simungathe kuzimitsa kuwala kwathunthu ndi dimming ya 1-10V, koma mutha kuchita nayo 0-10V kuzimiririka.
| Zotsatira | TRIAC Dimming | 0/1-10V Dimming |
| dera | Mphamvu ya AC | Mphamvu ya DC |
| Dimming Principle | Kuti mufikire dimming, TRIAC imasintha momwe magetsi amayendera poyendetsa magetsi ndi theka laling'ono (trailing edge dimming) kapena positive half-cycle (lead edge dimming). | Imasinthasintha kuwala kwa kuwalako posintha ma voliyumu a 0/1-10V DC. |
| Kuwongolera Njira | Amagwiritsa ntchito thyristor | Imawongolera mphamvu yamagetsi kuti ichepetse |
| Controlled Lighting System | Small | Large |
| Kuthamanga | Palibe mawaya owonjezera omwe amafunikira; amagwiritsa ntchito waya wamba wamagetsi. | Pamafunika mawaya owongolera (+ ndi -) kuti musinthe kuwala. |
| Mapulogalamu | Mu kuyatsa, zida zamagetsi, etc. | Kugwiritsa ntchito mphamvu zamphamvu kwambiri zomwe zimafuna dimming yeniyeni, mwachitsanzo, magetsi oyendera. |
TRIAC Dimming vs PWM Dimming
PWM imayimira "Pulse-Width Modulation". Mosiyana ndi dimming ya analogi ya TRIAM, PWM ili ndi ukadaulo wa digito wa dimming. Iyi ndi njira yothandiza yowongolera ma analogi omwe amagwiritsa ntchito digito ya microprocessor. Kuyeza kukula kwa ma siginecha a analogi ndikosavuta ndi pulse-width modulation (PWM). Mutha kusintha magwiridwe antchito a square wave pogwiritsa ntchito zowerengera zowoneka bwino.
Chizindikiro cha PWM chimakhalabe cha digito ngakhale pamene DC yokwanira sikupezeka nthawi zonse. Kuwala kukalumikizidwa ndi magetsi a DC, kumayatsa. Apanso, pamene palibe magetsi a DC, magetsi amazimitsa, kuwala kumasiya kulandira chizindikiro, ndikuzimitsa.
PWM imagwiritsidwa ntchito m'magawo ambiri; mwachitsanzo- amagwiritsidwa ntchito poyezera, kulumikizana, kuwongolera mphamvu ndi kutembenuka, ndi kuyatsa kwa LED. Ndizosavuta kugwiritsa ntchito ndipo zimagwirizana ndi zowunikira zambiri. 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 kwa TRIAC dimming, komwe sikumagwirizana ndi ma LED onse. Kupatula apo, mutha kudula mtengo wamagetsi posintha dimmer ya TRIAC kukhala digito Chithunzi cha PWM.
| Zotsatira | TRIAC Dimming | Kusintha kwa PWM |
| Fomu yonse | TRIAC imayimira "Triode for Alternating Current." | PWM imayimira "Pulse-Width Modulation." |
| Dimming Technology | analogi | Intaneti |
| Type | Dimming yodula gawo (AC dimming) | Kuchepetsa DC |
| Kugwiritsa Ntchito Mphamvu | Low | High |
| ngakhale | Imagwira ntchito ndi incandescent, halogen, ndi nyali zina zozimitsa za LED. | Amagwiritsidwa ntchito ndi madalaivala a LED komanso magetsi otsika a LED. |
| Kuwala Kuzimitsa | Amazimitsa nyali podula mphamvu zonse | Zimitsani nyali pokhazikitsa ntchito yozungulira ku 0% (palibe ma pulses otumizidwa). |
| Dimming Magwiridwe | Zimasiyanasiyana pamagetsi osiyanasiyana; sizingakhale zosalala kwa ma LED onse | Kuwala kosalala komanso kosasunthika kwaulere. |
TRIAC Dimming vs DALI Dimming
DALI si njira yeniyeni ya dimming koma ukadaulo wowongolera kuwala kwa digito kutengera protocol ya DALI. DALI imayimira "Digital Addressable Lighting Interface". poyerekeza ndi dimming ya TRIAM, DALI ndiyotsogola kwambiri ndipo imapereka kusinthasintha kwakukulu kowongolera kuwala. Imapereka chiwongolero cholondola komanso chowongolera pa LED. Kupatula kumangodya zowunikira, mutha kusinthanso kutentha kwamitundu ya zida za LED pogwiritsa ntchito dimming ya DALI. Izi zimawapangitsa kukhala njira yotchuka yowongolera tunable ndi Kuwala kwa RGBW LED.
| Zotsatira | TRIAC Dimming | DALI Dimming |
| Wodzaza | "Triode for Alternating Current." | "Digital Addressable Lighting Interface" |
| Type | Phase-cut (AC dimming) | Digital communication protocol (DC dimming) |
| Dimming Mechanism | Imadula gawo la mawonekedwe a AC kuti muchepetse mphamvu | Amatumiza malamulo a digito kuti asinthe kukula kwa kuwala |
| Kuthamanga | Sipafuna mawaya owonjezera owongolera | Pamafunika mawaya odzipatulira a DALI kuti athe kulumikizana |
| Kugwiritsa Ntchito Mphamvu | Zochepa | Chachisanu |
| Zithunzi Zowala | Zosagwirizana | zogwiriziza |
| Kusintha | Zochepa | Kwambiri scalable; yabwino kwa unsembe waukulu ndi zovuta |
| Cost | Cheap | Zokwera mtengo kwambiri |
Industrial Grade Alternatives kupita ku TRIAC Dimmer
Mtengo wa DMX
DMX imayimira "Digital Multiplex Signal". Ndi ndondomeko ya digito yomwe imayendetsa magetsi angapo kapena ma tchanelo kuchokera kumalo amodzi. Poyerekeza ndi TRIAC, DMX imapereka zowongolera zosinthika komanso zolondola. Wolamulira m'modzi wa DMX amatha kuwongolera mpaka mayendedwe a 512 pa chilengedwe chonse (gulu la zida za DMX). Izi zimakupatsani mwayi wowongolera mphamvu, kuwala, ndi mtundu wa ma LED apadera. DMX ndiyoyenera kukhazikitsa kwakukulu ngati kuyatsa siteji, kuyatsa zomangamanga, etc.
DALI Control
Kuti muwongolere ma LED apamwamba kwambiri, DALI ndi njira yabwino kwambiri yosinthira TRIAC. Zimagwira ntchito bwino ndi kuyatsa kwa DALI, Zowunikira za LED, magetsi amtundu wa LED, ndi makina amtundu wa LED. 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 owunikira pa digito.
Amapereka mphamvu zambiri za dimming zomwe palibe teknoloji yamakono ya dimming yomwe ingagonjetse. Chifukwa cha izi, mutha kugwiritsa ntchito mtundu waposachedwa kwambiri wa DALI kuwongolera zonse za RGBW ndi kuyatsa koyera koyera. Kupatula apo, ma blasters a dimming okhala ndi miyezo ya DALI amatha kuthana mosavuta ngakhale ndi zovuta zosintha mitundu.
DALI and DMX ndi machitidwe ofanana, koma DALI ili ndi dongosolo lowongolera lovuta kwambiri. Kupatula apo, amatha kuchita maadiresi okha, koma DMX sangathe.
Ibibazo
Kukutira PAMODZI
Mukamagula dimming ya TRIAC yanu ya LED, onetsetsani kuti ikugwirizana ndi inayo. Muyeneranso kuganizira mphamvu ya magetsi pamene TRIAC imagwira ntchito pamagetsi a AC. Chifukwa chake, kuti muwongolere magetsi otsika kwambiri a LED ngati mizere ya LED yomwe imathandizira DC, muyenera kuyang'ana woyendetsa wa TRIAC dimmer LED. Mutha kuwona zathu LEDYi TRIAC / Phase-Cut Dimmable LED Dalaivala, yomwe imapereka kuwala kosalekeza, kosalala, komanso kokhazikika. Imathandizira Dimming yonse ya 0-100% ndipo imabwera ndi chitsimikizo cha zaka 5. Chifukwa chake, yitanitsani ASAP!
