Ingabe ufuna isixazululo esingabizi kakhulu sokufiphalisa i-LED esihambisana nokusetha kwakho okukhona kagesi? I-TRIAC dimming inketho yokuya kuyo!
I-TRIAC dimming iyi-analog futhi kulula ukuyisebenzisa dimmer engadingi ukusetha okukhethekile. Nakuba lawa ma-dimmers ngokuvamile ayedizayinelwe ama-incandescent nama-halogen, ama-TRIAC ahambisana ne-LED ayatholakala futhi. Asekela amandla kagesi aphezulu futhi ashibhile kunobunye ubuchwepheshe bokufiphaza. Uzothola nezinketho zokushintshwa kwe-dimmer ezahlukahlukene ezihambisana nokufiphala kwe-TRIAC.
Kulo mhlahlandlela, ngizokwethula imininingwane ejulile mayelana nokufiphala kwe-TRIAC, ubuhle nobubi bayo, indlela yayo yokusebenza, nokunye. Ekupheleni komhlahlandlela, ngingeze futhi ukuqhathanisa phakathi kwe-TRIAC nezinye izinketho zokufiphaza. Ngakho-ke, ake singene engxoxweni:
Iyini i-TRIAC Dimming yama-LED?
I-TRIAC dimming, edume ngokuthi i-phase-cut dimmer, iyindlela elawula ukukhanya kwezibani ze-LED. Isebenzisa idivayisi ye-semiconductor eyaziwa ngokuthi i-TRIAC. I-TRIAC imele “i-Triode for Alternating Current.” Iyingxenye ye-elekthronikhi enamatheminali amathathu angakwazi ukuqhuba isimanje kunoma iyiphi indlela lapho ivuliwe. Ama-TRACs athuthukiswe ukuze kube lula ukuphathwa kwamandla e-AC. Isebenza njengeswishi futhi ingakwazi ukulawula okwamanje, ukufiphala noma ukukhanyisa izibani.
Ngaphambilini, ukulungisa ama-LED ngale TRIAC bekuyinselele; yayihambisana kakhulu nezibani ze-incandescent. Kodwa-ke, ngokuthuthuka kobuchwepheshe, izishayeli zokufiphalisa ze-TRIAC zenzelwe ngokukhethekile ama-LED. Isekela ububanzi obubanzi be-voltage nezinketho zamanje ngaphandle kokulimaza i-LED. Kodwa-ke, ziyazwela kumagagasi aphezulu. Uma kuqhathaniswa nama-Silicon Controlled Rectifiers (SCRs), ama-TRIAC anesilinganiso samanje esiphansi esingaphansi kuka-50 A. Noma kunjalo, ama-SCR awasebenzi kahle njengama-TRIAC ekulawuleni amandla aphansi kumasekhethi e-AC. Ngaphandle kwalokho, i-TRIAC kulula ukuyisebenzisa kunama-SCR. Ingakwazi ukuphatha kokubili i-voltage ephozithivu nenegethivu kuwo wonke amatheminali ayo, okwenza i-TRIAC ifiphaze ithuluzi eliwusizo.
Yini i-A Dimming Curve?
Ijika elifiphalayo liwumfanekiso wesithombe sokuthi i-dimmer iletha kanjani izinguquko ekuphumeni kokukhanya. Ibonisa ubudlelwano phakathi kwesiginali yokulawula okokufaka kanye nomphumela ophumayo wokukhanya kumadivayisi afiphalisayo. Ngenkathi uthenga ama-dimmers, kufanele ucabangele ijika lokufiphala njengoba lithinta ukuphuma kokukhanya. Kuphinde kube ukumelwa okubonakalayo kokuthi isisetshenziswa sokufiphalisa idijithali sisebenza kanjani.
Izinhlobo Zejika Elimnyama
Ngokusekelwe endleleni abukeka ngayo, amajika afiphele angaba yizinhlobo ezahlukene. Sizokhuluma ngezinhlobo eziyinhloko zamajika afiphele (ngezinye izikhathi abizwa ngokuthi “i-square-law” dimming)- ijika elifiphele eliwumugqa kanye nekhevu yokufiphala kwe-logarithmic.
a. Ijika elifiphele ngomugqa
Uma usebenzisa amajika okufiphalisa amugqa, inani lokukhanya eliphumayo lihlobene ngokuqondile nenani lamandla elingena ohlelweni. Amandla esignali yokufaka, kulokhu i-25%, izofana ncamashi nenani lokukhipha.
b. I-Logarithmic dimming curves
Kumajika okufiphalisa i-logarithmic, amanani okokufaka ashintsha njengoba amaleveli okufiphalisa ekhuphuka. Uma ukukhanya kwehliswa, isignali ethunyelwe kumshayeli izoshintsha kancane. Kodwa lapho ukukhanya kuphakanyiswa, kuzoshintsha ngokushesha okukhulu.
I-dimmer, okuyidivayisi yokufaka noma umshayeli, ingaba nanoma iyiphi ijika efakwe kuyo, njengejika elithi “S”, ijika “elithambile elinomugqa,” njll (idivayisi yokukhiphayo). Lolu hlobo lobubanzi bokufakwayo, obubizwa nangokuthi “isilayidi,” ngokuvamile luhloselwe ukukunikeza ukulawula okunembe kakhudlwana phezu kwengxenye yesamba sobubanzi bokufakwayo.
Nokho, ungatshela umenzi ukuthi ufuna “umugqa” noma “i-logarithmic” yawo wonke amadivayisi okokufaka nokukhiphayo. Lokhu kuzokulethela imiphumela engcono kakhulu.
Isebenza Kanjani I-TRIAC Dimming Kuma-LED?
I-TRIAC dimmer ifakiwe phakathi kwe ukunikezwa kwamandla kagesi kanye nokukhanya kwe-LED. Amandla alethwa ku-LED alawulwa yi-dimmer, ekhanyisa noma efiphalisa ukukhanya. Isika i-voltage ye-AC ibe izingxenye eziningi ezincane, futhi ngayinye yalezi zingxenye iwuhhafu wegagasi le-sine.
I-TRIAC iyisici sesekhethi ye-elekthronikhi yamandla amaphini amathathu engashintshanisa isimanje. Izikhonkwane ezintathu zibizwa ngokuthi-
- Itheminali engu-1 (MT1)
- Itheminali engu-2 (MT2)
- Isango (G)
Uma kucatshangelwa isakhiwo sangaphakathi, ukufiphala kwe-TRIAC kuhlanganisa izikhonkwane zesango ezivamile kanye nama-thyristors amabili ahlelwe ngokuhlehla ngokufana. Ngenxa yokuba nesango elilodwa, ingakwazi ukwamukela ukusebenza kuzo zombili izinkomba. Ngaphandle kwama-thyristors, amathuluzi ayisisekelo njengama-capacitor nama-potentiometer asebenza ndawonye ukuze afiphaze ukukhanya. Nansi incazelo ejulile yendlela ye-TRIAC dimmings':
Ukuvuselelwa kwe-Thyristor
I-thyristor iyi-semiconductor eneziphetho ezintathu- amatheminali amabili amakhulu kanye nesango elilodwa. Icushiwe lapho inhlamvu encane yamandla kagesi ilethwa esangweni. Uma isicushiwe, ivula isango bese idlulisela lamanje kumatheminali amabili amakhulu. Le trigger yamanje inikezwa ngezikhathi ezincane. Njengoba ihlangana ne-current, isango liyavuleka, futhi uma kungekho okwamanje okulethwayo, liyavala. Ngokufanayo, amasango ayavala futhi avuleke izikhathi ezingu-50 ngomzuzwana. Ngale ndlela, ama-thyristors enza ukugeleza kwamanje kuma-pulses amancane esikhundleni sokugeleza okuqhubekayo.
Kodwa-ke, isikhathi se-trigger yesango sithinta ukuhamba kwamandla okunesibopho sokufiphaza noma ukukhanyisa ukukhanya. Uma isango liqalwa ekuqaleni komjikelezo we-sinusoidal, okungukuthi, eduze nokuqala kwegagasi, kungadlula okwamanje. Ngenxa yalokho, ukukhanya kukhanya ngokwengeziwe. Ngokuphambene, uma isango liqalwa ekupheleni komjikelezo we-sinusoidal, ukugeleza kwamanje okuncane okufiphalisa ukukhanya.
I-Capacitor Charging Cycle
I-capacitor ilawula ukuvulwa nokuvalwa kwesango le-thyristor. Igcina amandla kagesi. Uma ikwimodi yokushaja, isango lihlala livaliwe, livimbele lamanje ukuthi lifinyelele kumatheminali amakhulu. Uma i-capacitor ishajwa ngokugcwele, ivula isango, ivumele ukugeleza kwamanje, futhi ngaleyo ndlela, ukukhanya kuyakhanya. Ubude besikhathi sokushaja buncike kumthamo we-capacitor. Ama-capacitor amakhulu anomthamo omkhulu futhi athatha isikhathi esengeziwe ukushaja.
I-Resistance Tuning nge-Potentiometer
I-TRIAC dimmer ayinaso isilawuli sedijithali. I-resistor eguquguqukayo, i-potentiometer kanye ne-capacitor ilawula isikhathi se-trigger yesango. I-potentiometer iza ngesimo se-knob noma ukudayela. Uma ulungisa i-potentiometer, ukumelana kwe-TRIAC dimmer kuyashintsha. Ngenxa yalokho, inani lokugeleza kwamanje ku-capacitor nalo liyashintsha. Lokhu kuthinta ubude besikhathi se-pulses emthonjeni wokukhanya.
I-TRIAC Dimmer Control
Umehluko we-TRIAC uthatha i-voltage yokufaka emthonjeni wamandla futhi uyiguqule ibe ama-pulses amafushane nge-potentiometer ne-capacitor. Kuma-pulses amade, ukugeleza kwamanje kuyanda futhi ukuphuma kokukhanya kuyakhanya. Futhi, kuma-pulses amafushane, ukugeleza kwamanje kuncipha, kufiphaze ukukhanya. Ngale ndlela, i-TRIAC dimmer ikuvumela ukuthi ulawule ukukhanya kokukhanyisa kwe-LED.
I-TRIAC Dimming Izizuzisa Kanjani Izibani ze-LED? – Izinzuzo
High Voltage Support
Yize ama-dimmers e-TRIAC ezwela kumaza aphezulu, asekela amandla kagesi aphezulu (phakathi kuka-100-240V AC). Ngakho-ke ungazisebenzisa zombili izinjongo zokuhlala nezokuhweba. Kodwa-ke, ukuze ubhekane ne-voltage ephezulu ngenkathi usebenzisa ama-LED aphansi kagesi, i-TRIAC dimmer ivamise ukudinga izingxenye ezengeziwe njenge Umshayeli we-LED. Isibonelo, kumalambu we-LED strip, i-dimmer kufanele ifake umshayeli we-LED ukuze aguqule i-AC enevoltage ephezulu ibe yi-DC enevoltage ephansi.
I-Smooth Dimming Control
I-TRIAC dimmer ikunikeza ukulawula okunembile phezu kokukhanya kwezibani ze-LED. Odinga ukukwenza nje ukulungisa i-control knob noma i-potentiometer, futhi ukukhanya kuzofiphala noma kukhanye ngokufanele. Isibonelo, ukuphakamisa isilawuli phezulu noma ukuzungezisa ngokwewashi kuzonyusa ukukhanya. Ngokufanayo, ukuhambisa ifindo phansi noma ukuyizungezisa ngokuphambene newashi kuzofiphalisa ukukhanya. Ngale ndlela, noma ubani angasebenzisa i-TRIAC dimmer ukuze alawule ukukhanya ngaphandle kokudinga noma yiluphi ulwazi lobuchwepheshe noma ukusebenzisa amadivayisi angeziwe.
Ukuthembeka
I-TRIAC dimmer ubuchwepheshe be-analog, ngakho-ke azikho izinkathazo zokugetshengwa noma ukuba nokungahambisani kwesikhathi esizayo. Ungakwazi ukufaka i-hardwire switch ye-dimmer kumasokhethi akho odongeni futhi uyisebenzise iminyaka ngaphandle kwezidingo zokuthuthukisa noma ukushintshwa.
Usayizi Ohlangene Nokufakwa Okulula
Usayizi ohlangene we-TRIAC dimmer ikuvumela ukuthi uwafake ezindaweni eziqinile. Inqubo yokufaka nayo ilula kakhulu. Afika ngamayunithi angawodwa, futhi ungawafaka kuzintambo zendlu ezivele zikhona kalula.
Kuqiza kahle
Uma kuqhathaniswa nezinye izinketho zokufiphaza, i-TRIAC dimmer iyonga kakhulu. Inokwakheka okuyisisekelo okuhlanganisa i-thyristor, i-capacitor, ne-potentiometer. Izindleko ezinkulu ze-TRIAC dimmer ngokuyisisekelo zincike ekushintsheni kwayo kwe-dimmer esezingeni eliphezulu kanye nezindlu. Ngakho-ke, ngokukhetha i-switch design elula, ungagcina izindleko. Lokhu kwenza i-TRIAC dimmer ifanele izindlu, amahhovisi, izindawo zokugcina impahla, njll.
Izinkinga Zokusebenzisa I-TRIAC Dimming Ngezibani ze-LED - Ububi
Ukucwayiza nokuhumbulela okungenzeka
Isenzo esivamile sokuvula nokuvala noma umjikelezo osheshayo we-TRIAC dimmers ungalimaza izingxenye zangaphakathi zama-LED. Lokhu kuholela ezinkingeni ezilokozayo kuma-LED. Ngaphandle kwalokho, kuphinde kuholele emsindweni ovungamayo othinta isipiliyoni sokukhanyisa.
Ukuncishiswa Kwesikhathi Sokuphila Okungenzeka
I-TRIAC dimmer engahambelani ingaba nomthelela omubi ukuphila kwezibani ze-LED. Futhi, umsebenzi wokushintsha ngokushesha wale dimmer ungalimaza i-LED futhi uphinde uwashise, wehlise isikhathi sokuphila.
I-Dimming Drives Ebuthakathaka Kakhudlwana kanye Nobubanzi Bokufiphala Okulinganiselwe
I-TRIAC dimmer ikhawulelwe kuphela kumjikelezo we-AC futhi isebenza nezibani ze-AC LED. Ngaphandle kwalokho, njengezinye izinketho zokufiphalisa ezithuthukile, ayikwazi ukumisa ngokuphelele ukugeleza kwamanje. Ngenxa yalokho, inani elincane lamanje lisageleza ngisho nasezimweni eziphansi kakhulu. Lo mkhawulo uphawuleka ezinhlelweni zokusebenza ezidinga isihambisi esinembile esifana nokukhanya, isibonelo, izibani zetiyetha.
Ukusebenza Kahle Kwezamandla
I-TRIAC dimmer ayiwasebenzisi wonke amandla akhishwe kusokhethi odongeni. Inani elincane kuphela elidluliselwa ku-LED ukuze kuncishiswe ukukhanya kwayo. Ngaphandle kwalokho, lapho usebenzisa ama-TRIAC dimmers ane-LED enamandla kagesi aphezulu, amanye amandla nawo ayalahleka, njengokushisa namanye amadivayisi ngaphakathi kwe-TRIAC. Lokhu kubenza bangabi namandla kakhulu uma kuqhathaniswa nobunye ubuchwepheshe bokufiphalisa njenge-PWM.
Uhlobo lwe-TRIAC Dimmer: I-Leading Edge & Trailing Edge
Ngokusekelwe ezindleleni ezihlukene zokufiphalisa kumjikelezo oqondile wohafu kanye nohhafu womjikelezo omubi, i-TRIAC dimmer ingaba yezinhlobo ezimbili:
1. I-Leading-Edge Dimming
Ukufiphala kwe-leading-edge kubuye kwaziwe njengokufiphala kwesigaba esiya phambili. Kule ndlela, ukufiphala ku-AC kuqala ekuqaleni komjikelezo oqondile wesigamu. Okusho ukuthi, ukugeleza kwamanje kumiswa ngemva nje kokuwela uziro, futhi i-waveform ye-AC iyaqala. Lokhu kudala ukuphumula okuncane ngaphambi kokuba i-current ifike endaweni.
2. I-Trailing-Edge Dimming
I-Trailing-edge dimming yaziwa nangokuthi i-reverse-phase dimming. Lapha, ukufiphala kwe-AC kuqala ekupheleni komjikelezo oqondile wesigamu. Okusho ukuthi, ukugeleza kwamanje kuma ngaphambi kokuthi kweqe uziro, futhi i-waveform ye-AC iyaphela. Kule ndlela, ukufiphaza ukukhanya, ubukhulu bamanje buwela kancane kancane busuka kunani eliphezulu.
Umehluko Phakathi Kwe-Leading-Edge kanye Ne-Trailing-Edge Dimmers
Amaswishi e-leading-edge dimmer kulula ukuwafaka futhi anokulungiselelwa okulula. Yingakho lezi zazisetshenziselwa ukufiphalisa ama-incandescent, ama-halogen, noma ama-magnetic transformer anenxeba locingo. Ngaphandle kwalokho, lawa ma-dimmers nawo athengeka kakhulu kunokushintsha kwe-trailing-edge dimmer. Ama-dimmers ama-lead-edge anomthwalo obuncane obuncane, kodwa izibani ezintsha noma zakamuva zisebenzisa amandla aphansi. Yingakho amaswishi e-dimmer enqenqemeni eholayo engasahambisani nezibani zesimanje ezinamandla aphansi njengama-LED noma ama-CFL.
Ngokuphambene, ukusebenza kwama-trailing-edge dimmers kuyinkimbinkimbi kakhulu kunama-lead-edge. Anomthwalo omncane ophansi futhi afanele amasekhethi okukhanyisa afiphale ngamalambu amancane, anamandla amancane. Ukwengeza, ama-trailing-edge dimmers asebenza ngokuthula futhi abushelelezi kunalawo asemaphethelweni aphambili. Futhi abajwayele ukucwayiza nokushisa ngokweqile. Lezi zisetshenziswa kabanzi ukulawula izindawo zokuhlala kanye ukukhanyisa kwezentengiso. Kodwa-ke, ama-trailing-edge dimmers ayabiza uma kuqhathaniswa nama-dimmers ahamba phambili.
| Imigomo | I-Leading-Edge Dimmers | I-Trailing-Edge Dimmers |
| Isiqondiso Sokufiphala | Ukufiphala kwesigaba esiya phambili kusika ingxenye engaphambili ye-waveform ye-AC | Ukufiphala kwesigaba esibuyela emuva kunciphisa ingxenye yokugcina ye-AC waveform |
| Ubuchwepheshe | Kudala | New |
| Layisha Izidingo | Idinga imithwalo encane emikhulu ukuze isebenze kahle | Isebenza kangcono ngemithwalo yamandla aphansi. |
| Iyahambisana | Izibani zendabuko ezifana- nama-incandescent nama-halogen bulb | Ukukhanyisa kwe-low-voltage njengama-LED nama-CFL |
| Ukusebenza | Simple | Okuningi okuyinkimbinkimbi |
| Energy Efficiency | Ngaphansi | Okuningi |
| Umsindo Kagesi | Khiqiza umsindo owengeziwe | Ngokushesha futhi bushelelezi |
| Cost | Yalutho | Expensive |
Iyiphi i-TRIAC Dimmer Efanele I-LED: I-Leading-Edge Noma I-Trailing-Edge?
Ama-dimmers ama-lead-edge empeleni aklanyelwe ama-bulb asebenzisa amandla aphezulu njenge-incandescent ne-halogen. Njengoba izibani ze-LED zisebenzisa amandla amancane, azihambisani nama-dimmers ahamba phambili. Eqinisweni, izibani ze-LED azinawo umthwalo omncane odingekayo ukuze uzisebenzise ngezifiphazi ezinjalo. Ngakho-ke, uma usebenzisa ama-lead-edge dimmers ane-LED, izobhekana nezinkinga ezicwayizayo nezinomsindo.
I-Trailing-edge dimming ilungele amalambu e-LED njengoba ehambisana namalambu asebenzisa amandla amancane. Nokho, ngenkathi ufiphalisa izibani ze-LED nge-trailing edge dimmer, kufanele ulandele umthetho we-10%. Ngokwalo mthetho, le dimmer ingasebenzisa kuphela u-10% womthamo wayo ogcwele ngenkathi ilawula izibani ze-LED. Isibonelo, uma i-trailing edge dimmer enomthamo ongu-400W ingakwazi ukuphatha kalula u-400W wama-incandescent bulb, ingaphatha u-10W kuphela wezinto ze-LED. Okusho ukuthi, i-400W dimmer ingalawula kuphela umkhawulo wama-40W wezibani ze-LED.
Noma kunjalo, ama-trailing-edge dimmers alawula imithwalo yamandla aphansi ngendlela engcono kakhulu. Ngakho-ke, akufanele ukhathazeke ngomthwalo omncane omncane odingwa ama-dimmers onqenqemeni oluphambili. Ungasebenzisa ama-LED amaningi ngendlela ofuna ngayo ukuze uthole umphumela owufunayo. Lokhu kwenza i-trailing-edge dimming ifanele izibani ze-LED uma kuqhathaniswa nokufiphala konqenqema oluphambili.
Izinhlobo ze-TRIAC Dimmer Switches
a. I-Single Pole Switch
Ukushintsha kwesigxobo esisodwa yi-TRIAC dimmer evamile esetshenziswa ezindlini noma ezindaweni zokuhlala. Ukuze ulawule ukukhanya, beza nenkinobho yesilayidi, yokudayela noma yokuvula/yokucima. Ukushintsha kwesigxobo esisodwa kunokucushwa okuyisisekelo uma kuqhathaniswa namanye amaswishi e-dimmer. Ifaka idizayini enezintambo ezintathu ezakhiwe ngocingo olushisayo, olungathathi hlangothi, noluphansi. Nokho, ingakwazi ukulawula isibani esisodwa kuphela endaweni eyodwa.
b. Ukushintsha kwe-3-Way/4-Way
Ukushintsha kwezindlela ezi-3 kunokucushwa okuyinkimbinkimbi kunokushintsha kwesigxobo esisodwa. Inomklamo onezintambo ezine- intambo eshisayo, intambo ekhulile, nezintambo ezimbili zabahambi. Lezi zintambo zabahambi zixhunywe kwenye iswishi endaweni ehlukile. Lokhu kuvumela ukushintshwa kwezindlela ezi-3 ukuthi zilawule ukulungiswa okukodwa noma ngaphezulu kusuka ezindaweni ezimbili ezihlukene.
Amaswishi ezindlela ezi-4 alungele izindawo ezinkulu ezidinga izindawo eziningi zokulawula ukukhanya. Ikuvumela ukuthi ulawule ukukhanya kusuka kumaswishi/izindawo ezintathu ezahlukene. Nokho, ama-switch 4-way awaxhumi ngokuqondile ne-fixture. Esikhundleni salokho, asetshenziswa ngokuhlanganiswa nama-switch amabili we-3-way asebenza njengebhuloho.
c. Ukushintsha Kwezindawo Eziningi
Ukushintsha kwezindawo eziningi kuyizinguqulo ezithuthukisiwe zokushintshwa kwezindlela ezi-4 ezikuvumela ukuthi ulawule ukukhanya okuvela ezindaweni ezingaphezu kwezintathu. Ngokusebenzisa lezi zinguquko, ungaba nokufiphala okubili okuhlukene okusebenzayo ekamelweni lakho. Lokhu kubenza bafanelekele izinhlelo zokusebenza ezidinga ukulawula okunembe nokukhulu ekukhanyeni.
d. Ukushintsha kwe-plug-in
Amaswishi e-plug-in ayisixazululo esiphathekayo sokufiphalisa kwe-TRIAC. Idizayinelwe amalambu noma izinto ezisetshenziswayo ezixhunywe ezitolo zikagesi. Ukwengeza amandla okufiphaza kuzinto ezinjalo, awudingi izinkinga ze-hardwiring. Vele uxhume i-plug-in dimming switch kusokhethi odongeni, futhi ungakwazi ukulawula izibani. Kodwa-ke, qiniseka ukuthi izibani ze-LED ezisetshenziswa ezibanini ziyacimeka ukuze zixhume kumaswishi e-plug-in.
e. Ukushintsha Okuhlakaniphile
Amaswishi ahlakaniphile akunikeza ukuguquguquka okuphezulu kakhulu ekulawuleni ukulungiswa kokukhanya. Banomshini wokudlulisa owakhelwe ngaphakathi oxhuma ku-smartphone yakho. Ungakwazi ukulawula ukukhanya ngefoni yakho noma yikuphi ngoxhumano lwe-inthanethi. Okusho ukuthi, noma ungekho endlini yakho, usengakwazi ukulawula ukukhanya kwendlu yakho ngaphandle. Ngaphandle kwalokho, ivumela izici ezithuthukile njengezilungiselelo zesibali sikhathi. Ungasetha izikhathi zokuvula nokuvala ngohlelo lokusebenza oluhambisanayo kumakhalekhukhwini wakho. Izibani zizokhanyisa noma zicime ngokuzenzakalelayo njengokusho kweshejuli.
Ungayikhetha Kanjani I-TRIAC Dimmer Elungile Yama-LED?
Kufanele ucabangele lezi zici ezingezansi ukuze uqinisekise ukuthi i-TRIAC dimmer oyithengayo isebenza ngempumelelo nesibani sakho se-LED:
Uhlobo Lwebhalbhu & Ukuhambisana Ne-LED
Khumbula, ama-TRIAC dimmers aklanyelwe kakhulu ukulungiswa kwendabuko njengama-incandescent nama-halogen bulb. Uma uhlela ukuyisebenzisa nama-LED, qiniseka ukuthi ama-dimmers ahambisana namalambu e-LED. Ngaphandle kwalokho, ukukhanya kufanele kufiphale. Ukusebenzisa i-TRIAC dimmer enokukhanya kwe-LED okungacimeki kuzonciphisa ubude bempilo bendawo. Ngaphandle kwalokho, kuzodala izinkinga ezisheshayo nezinkinga zokusebenza.
Layisha amandla
Izibani ze-LED zisebenzisa amandla aphansi uma ziqhathaniswa nama-incandescent nama-halogen bulbs. Ngakho-ke, kufanele usebenzise i-TRIAC dimmer elandelanayo esebenza nemfuneko ephansi yokulayisha. Gwema ukusebenzisa i-TRIAC dimmer ehamba phambili enokukhanya kwe-LED. Zenzelwe ama-bulb asebenzisa amandla aphezulu futhi awafanele ama-LED.
I-Dimming Range
Uma kuqhathaniswa nezinye izinketho zokufiphalisa, izibani ze-TRIAC zinebanga lokufiphalisa elilinganiselwe. Ngenxa yokungahambisani, i-LED ingase ingafisi yehle iye kuziro. Ngakho, ngeke uthole umphumela olindelekile. Ngakho-ke, hlola kangcono ukucaciswa kwakho kokubili kwe-LED kanye ne-TRIAC dimmer ukuze uqiniseke ukuthi uthola ibanga lokufiphaza olifunayo.
Izici
Ufuna izici zokukhanyisa ezihlakaniphile endlini yakho? Guqula indlu yakho ibe yikhaya elihlakaniphile elinama-TRIAC dimmer anezici ezakhelwe ngaphakathi zoxhumano lwe-smartphone. Lawa ma-dimmers ahlanganisa nezinhlelo zokusebenza futhi akuvumela ukuthi ulawule izibani ze-LED usebenzisa i-smartphone yakho kunoma iyiphi indawo. Ungaphinda ubheke izici zokulawula ezinembile kusifiphali se-TRIAC. Isibonelo, cabanga izici ezifana nezilayidi noma izindawo zokuthinta ukuze uthole ukulawula okulula nokunembe kakhudlwana.
Izidingo zokufaka
Amanye ama-dimmers e-TRIAC angase adinge intambo emaphakathi, kanti amanye angeke adinge. Ngakho-ke, kufanele uhlole ukuthi izintambo zebhokisi lakho lokushintshela elikhona zifana yini ne-dimmer. Ngaphandle kwalokho, inqubo yokufaka i-TRIAC dimmer incike kwimfuneko yokulawula ukukhanya. Isibonelo- uma ufuna ukulawula izindawo eziningi phezu kwezibani, uzodinga ukushintsha kwe-dimmer enezindawo eziningi noma ukusetha okufana nokushintsha kwezindlela ezi-3 noma ezi-4. Ngaphandle kwalokho, isikhala nosayizi we-TRIAC dimmer nakho kubalulekile. Kufanele uqiniseke ukuthi i-dimmer oyithengayo kufanele ingene ebhokisini lokushintsha ngaphandle kokuyiminyanisa.
I-AC Dimming vs. DC Dimming: Yazi Izidingo Zakho Ze-LED
I-TRIAC dimmers isebenza ku-AC yamanje futhi yakhelwe ngokuyinhloko ama-incandescent amalambu ahambisanayo namanye ama-LED. Kodwa-ke, ezinye izibani ze-LED, njengemigqa ye-LED, ngokuvamile zisebenza ku-AC. Kulokhu, kungcono ukukhetha i-DC dimmer. Uma usebenzisa i-TRIAC dimmer enemigqa ye-AC LED, qiniseka ukuthi inomshayeli owakhelwe ngaphakathi oguqula i-AC ibe yi-DC ngaphambi kokudlulisa owamanje endaweni.
I-TRIAC LED Control System Kanye Nezintambo zayo
I-TRIAC iyisisetshenziswa se-semiconductor enamatheminali amathathu- isango elilodwa namatheminali amabili amakhulu. Ukuze uyivule, kufanele usebenzise i-voltage kutheminali yesango layo. I-dimmer iyacisha njengoba ususa i-voltage esangweni. Ngakho-ke, le dimmer ilungele izinhlelo zokusebenza lapho udinga khona ukulawulwa kwedwala phezu kokugeleza kwamanje kuma-LED.
Ukuze uqale inqubo yokufaka i-TRIAC dimmer, udinga kuqala ukususa iswishi yokukhanya evamile ekhona. Uma usuyisusile, xhuma intambo emnyama ye-dimmer ocingweni olumnyama oluphuma endaweni yokuphuma odongeni. Ngokufanayo, xhuma intambo emhlophe ye-dimmer nentambo emhlophe ekhona odongeni.
Okokugcina, xhuma intambo yomhlabathi yethusi engenalutho odongeni ocingweni oluluhlaza okotshani ku-dimmer, futhi sekuqedile. Ngale ndlela, ungakwazi ngokushesha futhi kalula ukuxhuma i-TRIAC dimmer.
I-TRIAC Controller & Receiver
Izilawuli ze-TRIAC zikuvumela ukuthi uguqule izici eziningi zokukhanyisa. Bafinyelela umphumela we-dimmer setting ngokuhlehlisa ngokushesha ukugeleza kukagesi, okuyindlela esebenza ngayo. Kusebenza kuma-LED nezinye izinhlobo zobuchwepheshe bokukhanyisa ngendlela efanayo. Ama-TRIAC avame ukusetshenziswa ezimeni zamandla aphezulu, njengalapho kukhanyisa, ukushisa, noma ukulawula izinjini. Bavula futhi bavale ugesi ngokushesha kunokushintsha kwamandla avamile. Ngakho-ke, kusiza ukunciphisa umsindo kanye ne-EMI obekungaba khona.
Ngakolunye uhlangothi, usebenzisa isamukeli se-TRIAC, ungashintsha inani lamandla athunyelwe emthwalweni. Ukuze kufezwe lokhu, igcina iwashi eliqinile ku-voltage ekhona phakathi kwamatheminali e-TRIAC futhi ivule umthwalo. Kwenziwa lapho leyo voltage ifinyelela embundwini obekiwe. Lesi samukeli singasetshenziswa ngezindlela ezihlukahlukene ezahlukene. Ezinye izibonelo zalokhu ama-adaptha ezindawo zikagesi, ama-throttles amamotho, nama-dimmers wezibani.
I-TRIAC Dimming vs. Amanye ama-Dimmers
Ngaphandle kwe-TRIAC, kunezinye izinhlobo eziningi zama-dimmers atholakalayo ukulawula ukukhanya. Lapha, ngifake ukuqhathanisa okuhlangene kwe-TRIAC nokunye okuhlukile ukukusiza ukuthi ukhethe okungcono kakhulu:
I-TRIAC Dimming vs 0/1-10V Dimming
Njenge-TRIAC, isistimu ye-0-10V iyindlela yokufiphalisa i-analog. Umshayeli kuyo unezimbobo ezimbili ezengeziwe ze-+10V kanye ne- -10V. Nokho, i-Triac dimmer evamile inembobo eyodwa kuphela yokuthi +10v kanye -10v.
Iswishi yokufiphalisa engu-0/1-10V ilawula amasignali kagesi alula phakathi kukaziro namavolthi ayishumi (ekudleni okungu-0-10V) kanye nokusuka kweyodwa ukuya kweyishumi (ku-1-10V yokudlela). Kulokhu, i-0V iphumela ekucinyweni okuphelele, futhi i-10V iyizinga eliphezulu lokukhanya. Ekufiphaleni okungu-1-10V, amandla okukhiphayo angu-10% uma i-voltage iku-1V, futhi ingu-100% uma i-voltage iku-10V. Ngokuphambene ne-0–10V, eneswishi eyakhelwe ngaphakathi/evala, i-1–10V ayinayo. Ngakho-ke, awukwazi ukucisha ukukhanya ngokuphelele nge-1-10V dimming, kodwa ungakwenza ngayo 0-10V kufiphala.
| Imigomo | I-TRIAC Dimming | 0/1-10V Ukufiphala |
| Isifunda | Amandla we-AC | Amandla weDC |
| Isimiso Sokufiphala | Ukuze kuzuzwe ukufiphala, i-TRIAC ishintsha amandla amanje ngokulawula i-voltage ngomjikelezo ongemuhle oyingxenye (i-trailing edge dimming) noma ngomjikelezo oqondile onguhhafu (ukufiphala konqenqema oluholayo). | Ilungisa ukukhanya kokukhanya ngokulungisa okokufaka okungu-0/1-10V DC. |
| I-Controling Mechanism | Isebenzisa i-thyristor | Ilawula i-voltage yokufiphaza |
| Uhlelo Lokukhanyisa Olulawulwayo | Small | Large |
| wiring | Azikho izintambo ezengeziwe ezidingekayo; isebenzisa izintambo zikagesi ezijwayelekile. | Idinga izintambo zokulawula ezengeziwe (+ kanye -) ukuze kulungiswe ukukhanya. |
| Izicelo | Ekukhanyeni, izinto zikagesi, njll. | Ukusetshenziswa kwamandla aphezulu kanye nezinhlelo zokusebenza ezidinga ukufiphala okunembile, isb, izibani zasesiteji. |
I-TRIAC Dimming vs PWM Dimming
I-PWM imele ukuthi “Pulse-Width Modulation”. Ngokungafani nokufiphala kwe-analog TRIAM, i-PWM inobuchwepheshe bokufiphalisa bedijithali. Lena indlela esebenzayo yokulawula amasekhethi e-analog asebenzisa ukuphuma kwedijithali kwe-microprocessor. Ukulinganisa ukuqina kwezimpawu ze-analog kulula futhi nge-pulse-width modulation (PWM). Ungakwazi ukushintsha umjikelezo wemisebenzi yegagasi lesikwele ngokusebenzisa izinto zokubala ezinokulungiswa okuphezulu.
Isignali ye-PWM ihlala iyidijithali ngisho nalapho ukunikezwa kwe-DC okugcwele kungahlali kukhona. Uma ukukhanya kuxhunywe ku-DC, kuyakhanya. Futhi, lapho kungekho ukunikezwa kwe-DC, ugesi uyanqamuka, ukukhanya kuyeka ukuthola isignali, futhi kuyacisha.
I-PWM isetshenziswa emikhakheni eminingi; isibonelo- isetshenziswa ekulinganiseni, ezokuxhumana, ekulawuleni amandla nasekuguquleni, nasekukhanyeni kwe-LED. Kulula ukuyisebenzisa futhi iyahambisana nezibani eziningi. Lokho kungenxa yokuthi ama-microcontroller amaningi esimanje kanye nama-DSP anezilawuli ze-PWM ezakhelwe ngqo ku-chip. Lokhu kwenza ukulawula kwedijithali kube lula kakhulu ngokujwayelekile ekufiphaleni kwe-TRIAC, engahambisani nawo wonke ama-LED. Ngaphandle kwalokho, ungakwazi ukunqamula izindleko zamandla ngokushintsha i-analog TRIAC dimmer iye kwedijithali Ukukhanya kwe-PWM.
| Imigomo | I-TRIAC Dimming | Ukukhuphuka kwe-PWM |
| Ifomu eligcwele | I-TRIAC imele “i-Triode for Alternating Current.” | I-PWM imele ukuthi “Pulse-Width Modulation.” |
| I-Dimming Technology | Analog | Digital |
| Uhlobo | Ukufiphala kwesigaba (i-AC dimming) | Ukufiphala kwe-DC |
| Energy Efficiency | ongaphakeme | High |
| Ukuhambelana | Isebenza nge-incandescent, i-halogen, namanye amalambu e-LED acishe abe mnyama. | Isetshenziswa nabashayeli be-LED namalambu e-LED ane-low-voltage. |
| Ukulawula Ukukhanyisa | Icisha isibani ngokusika wonke amandla | Vala isibani ngokusetha umjikelezo wemisebenzi ube ngu-0% (akukho pulses okuthunyelwayo). |
| Ukufiphaza Ukusebenza | Iyahlukahluka ngezibani ezahlukene; kungase kungabi bushelelezi kuwo wonke ama-LED | Ukufiphala kwamahhala okucashile nokungacwayizi. |
I-TRIAC Dimming vs DALI Dimming
DALI akuyona indlela yokufiphaza ncamashi kodwa ubuchwepheshe bokulawula ukukhanya kwedijithali obususelwe kuphrothokholi ye-DALI. I-DALI imele “I-Digital Addressable Lighting Interface.” uma kuqhathaniswa nokufiphala kwe-TRIAM, i-DALI ithuthuke kakhulu futhi inikeza ukuguquguquka okukhulu kokulawula ukukhanya. Inikeza ukulawula okunembile nokuphathekayo phezu kwe-LED. Ngaphandle kokudla nje ukukhanya, ungaphinda ulungise izinga lokushisa lombala wezinto ze-LED usebenzisa i-DALI dimming. Lokhu kubenza babe inketho ethandwayo for controlling tunable futhi Izibani ze-RGBW LED.
| Imigomo | I-TRIAC Dimming | I-DALI Dimming |
| Ifomu Egcwele | "I-Triode Yokushintshana Kwamanje." | “I-Digital Addressable Lighting Interface” |
| Uhlobo | Ukusikwa kwesigaba (i-AC dimming) | I-Digital communication protocol (DC dimming) |
| I-Dimming Mechanism | Inqamula ingxenye ye-AC waveform ukunciphisa amandla | Ithumela imiyalo yedijithali ukulungisa amandla okukhanya |
| wiring | Akudingi izintambo zokulawula ezengeziwe | Idinga izintambo zokulawula ezizinikele ze-DALI ukuze kuxhunywe |
| Energy Efficiency | Ngaphansi | I-Hight |
| Izigcawu zokukhanyisa | Ayisekelwe | izisekelo |
| Ukungafinyeleli | Limited | I-scalable kakhulu; ilungele ukufakwa okukhulu nokuyinkimbinkimbi |
| Cost | Cheap | Ibiza kakhulu |
Izindlela Ezihlukile Zebanga Lemboni ukuya ku-TRIAC Dimmer
I-DMX Dimming
DMX imele "Isiginali ye-Digital Multiplex". Kuyiphrothokholi yedijithali elawula ukulungiswa kokukhanya okuningi noma amashaneli asendaweni eyodwa. Uma kuqhathaniswa ne-TRIAC, i-DMX inikeza izilawuli ezivumelana nezimo nezinembayo. Isilawuli esisodwa se-DMX singakwazi ukulawula iziteshi ezingafika ku-512 endaweni yonke (iqembu lezinhlelo ze-DMX). Lokhu kukuvumela ukuthi ulawule ukude amandla, ukukhanya, nombala wama-LED athile. I-DMX ifanele ukufakwa kwezinga elikhulu njenge ukukhanyisa esiteji, ukukhanya kwezakhiwo, njll.
Ukulawula kwe-DALI
Ukuze uthole ukulawula okuthuthuke kakhulu nokuvumelana nezimo kwama-LED, i-DALI iyindlela enhle kakhulu ye-TRIAC. Isebenza kahle kakhulu ngokukhanyisa kwe-DALI, Izibani ze-LED, izibani ze-LED, nezinhlelo ze-LED zomugqa. Ukuze uxhume intambo yokufiphala kwe-DALI, udinga ikhebula lokulawula elinamakhora amabili. Ngemuva kokuthi ukufakwa kokuqala kwenziwe, izinhlelo zokuphatha izibani zenza kube nokwenzeka ukuxhuma kabusha amasekethe okukhanyisa ngedijithali.
Banikezela ngamakhono anhlobonhlobo okufiphalisa okungekho ubuchwepheshe besimanje bokufiphalisa obungakwazi ukwehlula. Ngenxa yalokhu, ungasebenzisa inguqulo yakamuva kakhulu ye-DALI ukuze ulawule kokubili i-RGBW kanye nezibani ezimhlophe ezilungisekayo. Ngaphandle kwalokho, iziqhumane ezifiphalisayo ezinamazinga e-DALI zingaphatha kalula ngisho nezinhlelo zokusebenza ezishintsha umbala eziyinkimbinkimbi.
U-DALI no-DMX amasistimu afanayo, kodwa i-DALI inesistimu yokulawula eyinkimbinkimbi kakhulu. Ngaphandle kwalokho, bangakwazi ukukhuluma ngokuzenzakalelayo, kodwa i-DMX ayikwazi.
Imibuzo Evame Ukubuzwa
Ukusonga UP
Uma uthenga i-TRIAC dimming ye-LED yakho, qiniseka ukuthi iyahambisana nenye. Kufanele futhi ucabangele i-voltage yesibani njengoba i-TRIAC isebenza ku-voltage ye-AC ejwayelekile. Ngakho-ke, ukuze ulawule izibani ze-LED ezine-voltage ephansi njengemigqa ye-LED esekela i-DC, kufanele ubheke umshayeli we-TRIAC dimmer LED. Ungahlola yethu I-LEDYi TRIAC / Phase-Cut Dimmable LED Driver, okunikeza okukhiphayo kokukhanya okuqhubekayo, okubushelelezi, nokuzinzile. Isekela ububanzi obugcwele be-Dimming obungu-0-100% futhi iza nesikhungo sewaranti yeminyaka emi-5. Ngakho, oda ASAP!
