Ngaba ujonge isisombululo se-LED se-dimming esinexabiso elisebenzayo elihambelana nokusetha kwakho kombane? Ubumnyama be-TRIAC lukhetho lokuya!
I-TRIAC dimming yi-analog kwaye kulula ukuyisebenzisa dimmer engafuni kuseta lukhethekileyo. Nangona ezi dimmers ngokwesiqhelo beziyilelwe incandescent kunye ibhalbhu halogen, LED-ehambelanayo TRIAC dimmers ziyafumaneka. Zixhasa amandla ombane aphezulu kwaye zinexabiso eliphantsi kunezinye itekhnoloji yokunciphisa ukukhanya. Uya kufumana kwakhona iindlela ezahlukeneyo zokutshintsha kwe-dimmer ezihambelana nokufiphala kwe-TRIAC.
Kwesi sikhokelo, ndiza kukubonisa iinkcukacha ezinzulu malunga nokufiphala kwe-TRIAC, okulungileyo kunye nokubi, indlela yokusebenza kwayo, kunye nokunye. Ekupheleni kwesikhokelo, ndongeze uthelekiso phakathi kwe-TRIAC kunye nolunye ukhetho lobumnyama. Ke, masingene kwingxoxo:
Yintoni i-TRIAC Dimming yee-LEDs?
I-TRIAC dimming, eyaziwa ngokuba yi-phase-cut dimmer, yindlela yokulawula ukuqaqamba kwezibane ze-LED. Isebenzisa isixhobo semiconductor eyaziwa ngokuba yi-TRIAC. I-TRIAC imele "i-Triode yokutshintsha kwangoku." Licandelo lombane elineetheminali ezintathu ezinokuqhuba umsinga kulo naliphi na icala xa lilayitiwe. Ii-TRACs zaphuhliswa ukuququzelela ulawulo lwamandla e-AC. Isebenza njengokutshintsha kwaye inokulawula okwangoku, ukucima okanye ukukhanyisa izibane.
Ngaphambili, ukuqwalasela ii-LEDs ngale TRIAC bekungumngeni; ubukhulu becala yayihambelana nezibane ze-incandescent. Nangona kunjalo, ngokuhambela phambili kwetekhnoloji, abaqhubi be-TRIAC be-dimming balungiselelwe ngokukodwa ii-LED. Ixhasa uluhlu olubanzi lwamandla ombane kunye neenketho zangoku ngaphandle kokulimaza i-LED. Nangona kunjalo, banomdla kwimisinga ephezulu. Xa kuthelekiswa ne-Silicon Controlled Rectifiers (SCRs), ii-TRIAC zinezinga eliphantsi langoku elingaphantsi kwe-50 A. Nangona kunjalo, ii-SCRs azisebenzi njenge-TRIAC ekulawuleni amandla aphantsi kwiisekethe ze-AC. Ngaphandle koko, kulula ukuyisebenzisa i-TRIAC kune-SCRs. Iyakwazi ukusingatha zombini amandla ombane alungileyo kunye angalunganga kuzo zonke iitheminali zayo, nto leyo eyenza ukuba i-TRIAC ibe mnyama isixhobo esiluncedo.
Yintoni iCurve eDimming?
Igophe elimfiliba luphawu lomzobo wendlela i-dimmer izisa ngayo utshintsho kwimveliso yokukhanya. Ibonisa ubudlelwane phakathi kwesignali yokulawula igalelo kunye nesiphumo sokukhanya sokukhanya kwizixhobo ezimnyama. Ngelixa uthenga i-dimmers, kuya kufuneka uqwalasele ijika elimnyama njengoko lichaphazela ukuphuma kokukhanya. Ikwayimbonakaliso ebonakalayo yendlela isixhobo sobumnyama sedijithali esisebenza ngayo.
Iindidi zeJiko lokuDima
Ngokusekwe kwindlela ezikhangeleka ngayo, iigophe ezimnyama zinokuba ziintlobo ezahlukeneyo. Siza kuthetha ngeentlobo eziphambili zeegophe ezizimfiliba (ngamanye amaxesha zibizwa ngokuba yi “square-law” dimming)- ijiko elingumda lomgca kunye nejiko lobumnyama lelogarithmic.
a. Igophe elidimming linear
Xa usebenzisa i-curves dimming curves, isixa sokukhanya esiphuma sihambelana ngokuthe ngqo kwisixa samandla esiya kwinkqubo. Amandla omqondiso wegalelo, kule meko i-25%, iya kufana ngqo nexabiso lemveliso.
b. I-Logarithmic dimming curves
Kwi-logarithmic dimming curves, amaxabiso amagalelo ayatshintsha njengoko amanqanaba obumnyama enyuka. Xa ukukhanya kuthotyiwe, uphawu oluthunyelwe kumqhubi luya kutshintsha ngokucothayo. Kodwa xa ukukhanya kuphakanyisiwe, kuya kutshintsha ngokukhawuleza.
I-dimmer, esisixhobo sokufaka okanye umqhubi, unokuba nayo nayiphi na igophe efakwe kuyo, njenge-"S" curve, i-curve "soft linear", njl njl (isixhobo sokukhupha). Olu hlobo loluhlu lwegalelo, elikwabizwa ngokuba "sisilayidi," ngokuqhelekileyo lisetyenziselwa ukukunika ulawulo oluchanekileyo kwinxalenye yoluhlu lwegalelo lilonke.
Nangona kunjalo, unokuxelela umenzi ukuba ufuna "umgca" okanye "i-logarithmic" yazo zonke izixhobo zokufaka kunye nemveliso. Oku kuya kukuzisela ezona ziphumo zibalaseleyo.
Ingaba i-TRIAC Dimming isebenza njani kwii-LEDs?
I-TRIAC dimmer ifakwe phakathi kwe ukunikezwa Amandla kunye nokukhanya kwe-LED. Amandla anikezelwe kwi-LED alawulwa yi-dimmer, ekhanyisa okanye iyancipha ukukhanya. Isika amandla ombane e-AC abe ngamacandelo amancinci amaninzi, kwaye ngalinye lala macandelo lisiqingatha se-sine wave.
I-TRIAC sisiqalelo esinezikhonkwane ezintathu zamandla esekethe ye-elektroniki enokuthi itshintshe yangoku. Izikhonkwane ezithathu zibizwa ngokuba-
- Isikhululo esingundoqo soku-1 (MT1)
- Isikhululo esingundoqo soku-2 (MT2)
- Isango (G)
Ukuqwalasela ubume bangaphakathi, i-TRIAC dimming iquka izikhonkwane zesango eziqhelekileyo kunye ne-thyristors ezimbini ezicwangciswe ngokuhambelanayo. Ngenxa yokuba nesango elinye, inokwamkela okwangoku kumacala omabini. Ngaphandle kwe-thyristors, izixhobo ezisisiseko ezifana nee-capacitors kunye nee-potentiometers zisebenza kunye ukuze kukhanye ukukhanya. Nantsi inkcazo enzulu ye-TRIAC dimmings' indlela:
Ukuqaliswa kwe-Thyristor
I-thyristor yi-semiconductor ye-threminal-terminals ezimbini eziphambili kunye nesango elinye. Isebenza xa i-trigger encinci yombane yombane ihanjiswa esangweni. Nje ukuba isebenze, ivula isango kwaye idlulise okwangoku kwii-terminals ezimbini eziphambili. Esi siqhumiso sangoku sinikezelwa ngezithuba ezincinci. Njengoko idibana ne-current, isango livula, kwaye xa kungekho msinga ohanjiswayo, uyavala. Ngokufanayo, amasango ayavala aze avuleke izihlandlo ezingama-50 ngomzuzwana. Ngale ndlela, i-thyristors yenza ukuhamba kwangoku kwii-pulses ezincinci endaweni yokuhamba okuqhubekayo.
Nangona kunjalo, ixesha lokuqalisa kwesango lichaphazela ukuhamba kwangoku ojongene nokunciphisa okanye ukukhanyisa ukukhanya. Ukuba isango liqhutywe ekuqaleni komjikelezo we-sinusoidal, oko kukuthi, kufuphi nokuqala kwe-wave, umbane ongaphezulu unokudlula. Ngenxa yoko, ukukhanya kuya kuqaqamba ngakumbi. Ngokwahlukileyo, ukuba isango liqhutywe ekupheleni komjikelo we-sinusoidal, ukuhamba okuncinci kwangoku kunciphisa ukukhanya.
Umjikelo wokuTjaja iiCapacitors
I-capacitor ilawula ukuvulwa kunye nokuvalwa kwesango le-thyristor. Igcina amandla ombane. Xa ikwimo yokuhlawula, isango lihlala livaliwe, lithintela okwangoku ukufikelela kwii-terminals eziphambili. Emva kokuba i-capacitor ihlawuliswe ngokupheleleyo, ivula isango, ivumela ukuba i-current ihambe, kwaye ke, ukukhanya kukhanya. Ubude bexesha lokutshaja buxhomekeke kumthamo we-capacitor. Ii-capacitors ezinkulu zinomthamo ophezulu kwaye zithatha ixesha elide ukuhlawula.
Ukuchasana noTshintsho ngePotentiometer
I-TRIAC dimmer ayinaso isilawuli sedijithali. I-resistor eguquguqukayo, i-potentiometer kunye ne-capacitor ilawula ixesha lokuqalisa kwesango. I-potentiometer iza ngohlobo lweqhosha okanye ukudayela. Xa uhlengahlengisa i-potentiometer, ukuchasana kwe-TRIAC dimmer kuyatshintsha. Ngenxa yoko, inani lokuhamba kwangoku kwi-capacitor nalo liyatshintsha. Oku kuchaphazela ubude bexesha lee-pulses kumthombo wokukhanya.
Ulawulo lwe-TRIAC Dimmer
Umahluko we-TRIAC uthatha i-voltage yegalelo ukusuka kumthombo wamandla kwaye uyiguqule ibe yi-pulses emfutshane nge-potentiometer kunye ne-capacitor. Kwiipulses ezinde, ukuhamba kwangoku kwanda kwaye ukuphuma kokukhanya kuqaqambile. Kwakhona, kwiipulses ezimfutshane, ukuhamba kwangoku kuyancipha, kunciphise ukukhanya. Ngale ndlela, i-TRIAC dimmer ikuvumela ukuba ulawule ukuqaqamba kokukhanya kwe-LED.
I-TRIAC Dimming iZixhamla njani izibane ze-LED? – Izinto eziluncedo
Inkxaso yoMbane oPhezulu
Nangona ii-TRIAC dimmers zinovelwano kwimisinga ephezulu, zixhasa amandla ombane aphezulu (phakathi kwe-100-240V AC). Ngoko unokuzisebenzisa zombini ngeenjongo zokuhlala kunye nezorhwebo. Nangona kunjalo, ukujongana namandla ombane aphezulu ngelixa usebenzisa izilungiso ze-LED zombane ophantsi, i-TRIAC dimmer ihlala ifuna izinto ezongezelelweyo njenge Umqhubi we-LED. Ngokomzekelo, kwizibane ze-LED strip, i-dimmer kufuneka ibandakanye umqhubi we-LED ukuguqula i-high-voltage AC ukuya kwi-low-voltage DC.
Ulawulo loMfifi oLutho
I-TRIAC dimmer ikunika ulawulo oluchanekileyo phezu kokuqaqamba kwezibane ze-LED. Konke okufuneka ukwenze kukulungelelanisa iqhosha lokulawula okanye i-potentiometer, kwaye ukukhanya kuya kuncipha okanye kukhanye ngokufanelekileyo. Umzekelo, ukuguqula isilawuli phezulu okanye ukujikelezisa ngasekunene kuya konyusa ukukhanya. Ngokufanayo, ukuhambisa iqhosha phantsi okanye ukulijikelezisa ngokuchasene newotshi kuya kunciphisa ukukhanya. Ngale ndlela, nabani na unokusebenzisa i-TRIAC dimmer ukulawula ukukhanya kokukhanya ngaphandle kokufuna naluphi na ulwazi lobugcisa okanye ukusebenzisa izixhobo ezongezelelweyo.
intembeko
I-TRIAC dimmer yitekhnoloji ye-analog, ngoko ke akukho nkxalabo yokuqhekezwa okanye ukungahambelani kwexesha elizayo. Unokwenza i-hardwire switch ye-dimmer kwiisokethi zakho zodonga kwaye uzisebenzise iminyaka ngaphandle kweemfuno zokuphucula okanye ukutshintshwa.
Ubungakanani obubambeneyo kunye noFakelo olulula
Ubungakanani obudibeneyo be-TRIAC dimmer ikuvumela ukuba uzifake kwiindawo ezixineneyo. Inkqubo yokuhlohla nayo ilula kakhulu. Ziza kwiiyunithi enye, kwaye ungazifaka kwi-wiring yendlu esele ikhona ngokulula.
Isebenza kakuhle emalini
Xa kuthelekiswa nolunye ukhetho lobumnyama, i-TRIAC dimmer ineendleko eziphezulu. Inokwakheka okusisiseko okubandakanya i-thyristor, i-capacitor, kunye ne-potentiometer. Iindleko ezinkulu ze-TRIAC dimmer ngokusisiseko zixhomekeke kukutshintsha kokukhanya kwe-dimmer kunye nezindlu. Ngoko, ngokukhetha uyilo olulula lokutshintsha, unokugcina iindleko. Oku kwenza i-TRIAC dimmer ilungele izindlu, iiofisi, iindawo zokugcina iimpahla, njl.
Iingxaki zokuSebenzisa i-TRIAC Dimming enezibane ze-LED-Izinto ezingeloncedo
Ukuqhwayiza okunokwenzeka kunye nokuHumming
Ukuvula nokuvala intshukumo rhoqo okanye umjikelo okhawulezayo we-TRIAC dimmers unokonakalisa amalungu angaphakathi e-LED. Oku kukhokelela kwimicimbi edanyazayo kwii-LEDs. Ngaphandle koko, ikwakhokelela kwisandi esidumzelayo esichaphazela ngokuqinisekileyo amava okukhanyisa.
Ukunciphisa ubomi obunokwenzeka
I-TRIAC dimmer engahambelaniyo inokuchaphazela kakubi ubomi bezibane ze-LED. Kwakhona, umsebenzi wokutshintsha ngokukhawuleza wale dimmer ungonakalisa i-LED kwaye uwagqithise, ukunciphisa ixesha lokuphila.
Iidrives eziDimming zibuthathaka kunye noluhlu lokuDima okulinganiselweyo
I-TRIAC dimmer inqunyelwe kuphela kumjikelo we-AC kwaye isebenza kunye nezibane ze-AC LED. Ngaphandle koko, njengolunye ukhetho oluphambili lobumnyama, alukwazi ukumisa ngokupheleleyo ukuhamba kwangoku. Ngenxa yoko, isixa esincinci sangoku sisahamba nakwesona sicwangciso sisezantsi. Lo mda uphawuleka kwizicelo ezifuna isishukumisi esichanekileyo esinjengokukhanya, umzekelo, izibane kwithiyetha.
UkuSebenza okuncinci kwamandla
I-TRIAC dimmer ayiwasebenzisi onke amandla atsalwe kwisokethi yodonga. Kuphela isixa esincinci sayo sigqithiselwa kwi-LED ukunciphisa ukukhanya kwayo. Ngaphandle koko, xa usebenzisa i-TRIAC dimmers ezinombane ophezulu we-LED fixtures, amanye amandla ayalahleka, njengobushushu kunye nezinye izixhobo ezingaphakathi kwe-TRIAC. Oku kubenza bangasebenzi kakuhle amandla xa kuthelekiswa nobunye ubuchwephesha bokufiphala njengePWM.
Uhlobo lwe-TRIAC Dimmer: uMda oPhambili kunye noMda wokuLawula
Ngokusekwe kwiindlela ezahlukeneyo zobumnyama kumjikelo wesiqingatha esilungileyo kunye nomjikelo ongalunganga wesiqingatha, isidididi se-TRIAC singazintlobo ezimbini:
1. I-Leading-Edge Dimming
Ukukhanya okukhokelela kumphetho kwaziwa ngokuba yi-dimming yesigaba sangaphambili. Kule ndlela, ukufiphala kwi-AC kuqala ekuqaleni komjikelo wesiqingatha esilungileyo. Oko kukuthi, ukuhamba kwangoku kumisiwe kanye emva kokuwela i-zero, kwaye i-AC waveform iqala. Oku kudala unqumamo oluncinci phambi kokuba umsinga ufikelele kwindawo.
2. I-Trailing-Edge Dimming
Ukuncipha kwe-Trailing-edge kwaziwa ngokuba yi-reverse-phase dimming. Apha, ubumnyama be-AC buqala ekupheleni komjikelo wesiqingatha esilungileyo. Oko kukuthi, ukuhamba kwangoku kuyeka kanye ngaphambi kokuba kuwele i-zero, kwaye i-AC waveform iphela. Kule ndlela, ukunciphisa ukukhanya, ubukhulu bangoku buhla ngokuthe ngcembe ukusuka kwixabiso eliphezulu.
Umahluko phakathi kwe-Leading-Edge kunye ne-Trailing-Edge Dimmers
Ukutshintsha kwe-lead-edge dimmer kulula ukuyifaka kwaye ibe noqwalaselo olulula. Kungenxa yoko le nto ezi zisetyenziselwe ukufiphalisa i-incandescent, i-halogen, okanye i-wire-nxeba i-magnetic transformers. Ngaphandle koko, ezi dimmers zikwafikeleleka ngakumbi kune-trailing-edge dimmer switches. Iidimmers ezikhokelayo zinomthwalo omncinci ophakamileyo, kodwa izibane ezitsha okanye zamva nje zisebenzisa amandla aphantsi. Yiyo loo nto iiswitshi zedimmer ezikhokelayo zingasahambelani nezibane zala maxesha zamandla aphantsi njengee-LED okanye iiCFL.
Ngokwahlukileyo, ukusebenza kwe-trailing-edge dimmers kunzima ngakumbi kunezona ziphambili. Zinomthwalo ophantsi ophantsi kwaye zifanelekile kwiisekethe zokukhanyisa ezimnyama ezineebhalbhu ezincinci, ezingenamandla. Ukongeza, i-trailing-edge dimmers ibaleka izolile kwaye igudile kuneyona iphambili. Kananjalo abafanelwanga kukuqhwanyaza kunye nokutshisa kakhulu. Ezi zisetyenziswa ngokubanzi ukulawula indawo yokuhlala kunye ukukhanya kwezorhwebo. Nangona kunjalo, i-trailing-edge dimmers iyabiza xa ithelekiswa ne-header-edge dimmers.
| Criteria | I-Lead-Edge Dimmers | Trailing-Edge Dimmers |
| Umkhombandlela wokuDimming | Ubumnyama besigaba sangaphambili busika indawo engaphambili ye-AC waveform | Ukubuyela umva kwesigaba sobumnyama kusika isiphelo se-AC waveform |
| Technology | Old | New |
| Iimfuno zomthwalo | Ifuna imithwalo emincinci emikhulu ukuze isebenze ngokufanelekileyo | Isebenza ngcono ngemithwalo ephantsi kwamanzi. |
| Iyahambelana ne | Izibane zesiNtu ezifana ne-incandescent kunye ne-halogen bulbs | Ukukhanya kwe-low-voltage njenge-LED kunye ne-CFLs |
| Ukusebenza | Elula | Ngobunzima ngakumbi |
| Ukusebenza kwamandla | Ngaphantsi | Kaninzi |
| Ingxolo yoMbane | Ukuvelisa ingxolo eninzi | Ikhawuleza kwaye igudile |
| ixabiso | eqolo | eninzi |
Yeyiphi i-TRIAC Dimmer eyilungele i-LED: i-Lead-Edge okanye i-Trailing-Edge?
Iidimmers ezikhokelayo zaziyilelwe ukuba zisebenzise iibhalbhu eziphezulu ezifana ne-incandescent kunye ne-halogen. Njengoko izibane ze-LED zisebenzisa amandla amancinci, azihambelani ne-dimmers ehamba phambili. Ngapha koko, izibane ze-LED azinawo owona mthwalo uphantsi ofunekayo ukuzisebenzisa ngezi dimmers. Ke ngoko, ukuba usebenzisa ii-dimmers ezikhokelayo kunye ne-LED, iya kujongana nemiba eshukumayo kunye nokuncwina.
I-Trailing-edge dimming ilungele izibane ze-LED njengoko zihambelana nezibane zokusetyenziswa kwamandla aphantsi. Nangona kunjalo, ngelixa izibane ze-LED zimnyama kunye ne-trailing edge dimmer, kufuneka ulandele umthetho we-10%. Ngokwalo mgaqo, le dimmer inokusebenzisa kuphela i-10% yomthamo wayo opheleleyo ngelixa ilawula izibane ze-LED. Umzekelo, ukuba i-trailing edge dimmer ene-400W yomthamo inokuphatha ngokulula i-400W ye-incandescent bulbs, inokusingatha kuphela i-10W yezixhobo ze-LED. Oko kukuthi, i-400W dimmer inokulawula kuphela ubuninzi be-40W yezibane ze-LED.
Nangona kunjalo, i-trailing-edge dimmers ilawula imithwalo yamanzi aphantsi ngeyona ndlela ingcono kakhulu. Ke ngoko, akufuneki ube nexhala malunga nomthwalo omkhulu omncinci ofunwa zii-dimmers ezikhokelayo. Ungasebenzisa ii-LED ezininzi njengoko ufuna ukufumana umphumo oyifunayo. Oku kwenza i-trailing-edge dimming ilungele izibane ze-LED xa kuthelekiswa nobumnyama obuphambili.
Iintlobo zeTRIAC Dimmer Switshi
a. Iiswitshi zePoli enye
Izitshixo zepali enye zezona ziqhelekileyo ze-TRIAC dimmer ezisetyenziswa ezindlwini okanye kwiindawo zokuhlala. Ukulawula ukukhanya, beza nesilayidi, ukucofa okanye ukuvala/ukuvala iqhosha. Ukutshintsha kwepali enye kunolona qwalaselo olusisiseko xa kuthelekiswa nolunye utshintsho oluluzizi. Ibonisa idizayini yeengcingo ezintathu ezenziwe ngocingo olushushu, olungathathi hlangothi, kunye nocingo oluphantsi. Nangona kunjalo, inokulawula isibane esinye kuphela kwindawo enye.
b. I-3-Ndlela / 4-Ndlela yokuTshintsha
Ukutshintsha kweendlela ezi-3 kunobumbeko olunzima ngakumbi kunokutshintsha kwepali enye. Inoyilo oluneengcingo ezine- ucingo olushushu, ucingo olukhulileyo, kunye neengcingo ezimbini zabahambi. Ezi ngcingo zabahambi ziqhagamshelwe kwenye iswitshi kwindawo eyahlukileyo. Oku kuvumela iindlela ezi-3 zokutshintsha ukulawula enye okanye ngaphezulu kwiindawo ezimbini ezahlukeneyo.
Iinguqu ze-4 zilungele iindawo ezinkulu ezifuna iindawo ezininzi zokulawula ukukhanya. Ikuvumela ukuba ulawule ukukhanya ukusuka kwiindawo ezintathu ezahlukeneyo zokutshintsha / iindawo. Nangona kunjalo, iindlela ezi-4 zokutshintsha azidibanisi ngokuthe ngqo kwi-fixture. Endaweni yoko, zisetyenziswa ngokudibeneyo kunye neendlela ezimbini zokutshintsha iindlela ezi-3 ezisebenza njengebhulorho.
c. IiSwitshi zeNdawo ezininzi
Ukutshintsha kweendawo ezininzi ziinguqulelo eziphambili zeendlela ezi-4 ezikuvumela ukuba ulawule ukukhanya ukusuka kwiindawo ezingaphezu kwezintathu. Ukusebenzisa olu tshintsho, unokuba ne-dimmings ezimbini ezahlukeneyo ezisebenzayo kwigumbi lakho. Oku kubenza bafanelekele izicelo ezifuna ulawulo oluchanekileyo nolukhulu ekukhanyeni.
d. IiSwitshi zePlugi
Iiswitshi ze-plug-in sisisombululo esiphathwayo se-TRIAC dimming. Yenzelwe izibane okanye izixhobo ezifakwe kwiplagi kwizixhobo zombane. Ukongeza isakhono sokuncipha kolu lungiso, awudingi bunzima bokwenza ii-hardwiring. Vele ufake i-plug-in dimming switch kwisokethi yodonga, kwaye unokulawula izibane. Nangona kunjalo, qiniseka ukuba izibane ze-LED ezisetyenziswe kwizibane ziyancipha ukuze zidibanise kwi-plug-in switches.
e. Ukutshintsha Smart
Iiswitshi ze-Smart zikunika olona bhetyebhetye luphezulu ekulawuleni izibane. Bane-transmitter eyakhelwe-ngaphakathi edibanisa kwi-smartphone yakho. Ungalawula ukukhanya ngefowuni yakho naphi na ngoqhagamshelo lwe-intanethi. Oko kukuthi, nokuba awukho endlwini yakho, usenako ukulawula ukukhanya kwendlu yakho ngaphandle. Ngaphandle koko, ivumela iimpawu eziphambili ezifana noseto lwexesha. Unokuseta iishedyuli zokuvula kunye nokucima ixesha usebenzisa i-app ehambelanayo kwifowuni yakho ephathekayo. Izibane ziya kuzilayita okanye zicime ngokuzenzekelayo ngokweshedyuli.
Ungayikhetha njani i-TRIAC Dimmer eLungileyo kwii-LEDs?
Kuya kufuneka uthathele ingqalelo le miba ingezantsi ukuqinisekisa ukuba i-TRIAC dimmer oyithengayo isebenza ngokufanelekileyo nesibane sakho se-LED:
Uhlobo lweBhulbhu kunye nokuhambelana ne-LED
Khumbula, ii-TRIAC dimmers ubukhulu becala ziyilelwe izinto eziqhelekileyo ezifana ne-incandescent kunye neebhalbhu zehalogen. Ukuba uceba ukuyisebenzisa kunye nee-LED, qiniseka ukuba i-dimmers iyahambelana nezibane ze-LED. Ngaphandle koko, ukukhanya kufuneka kucimeke. Ukusebenzisa i-TRIAC dimmer enokukhanya kwe-LED okungacimekiyo kuya kunciphisa ubomi bolu tshintsho. Ngaphandle koko, kuya kubangela imiba ephazamisayo kunye neengxaki zokusebenza.
Ukuthwala amandla
Izibane ze-LED zisebenzisa amandla aphantsi xa kuthelekiswa ne-incandescent kunye ne-halogen bulbs. Ke ngoko, kufuneka usebenzise i-trailing-edge ye-TRIAC dimmer esebenza kunye nomthwalo ophantsi ofunekayo. Kuphephe ukusebenzisa i-TRIAC dimmer ekhokelayo enokukhanya kwe-LED. Zenzelwe ii-bulbs ezinokusetyenziswa kwamandla aphezulu kwaye azifanelekanga ii-LEDs.
Uluhlu lokufiphala
Xa kuthelekiswa nolunye ukhetho lobumnyama, ii-TRIAC dimmers zinoluhlu olulinganiselweyo lobumnyama. Ngenxa yokungahambelani, i-LED ayinakudanga ukuya kuthi ga kwiqanda. Ngaloo ndlela, awuyi kufumana umphumo olindelekileyo. Ke, jonga ngcono ukucaciswa kwazo zombini i-LED kunye ne-TRIAC dimmer ukuqinisekisa ukuba ufumana uluhlu olufunekayo lobumnyama.
Iimbonakalo
Ngaba ufuna izinto ezikhanyayo zokukhanyisa endlwini yakho? Guqula indlu yakho ibe likhaya elikrelekrele elinee-TRIAC dimmers ezineempawu ezakhelwe ngaphakathi zoqhagamshelo lwe-smartphone. Ezi dimmers zidibanisa kunye nee -apps kwaye zikuvumela ukuba ulawule izibane ze-LED usebenzisa i-smartphone yakho nakweyiphi na indawo. Ungajonga kwakhona iimpawu zolawulo olucacileyo kwi-TRIAC dimmer. Umzekelo, qwalasela iimpawu ezinjengezilayidi okanye ujongano lokucofa ukuze kube lula kunye nolawulo oluchanekileyo.
Izidingo zokufakela
Ezinye ii-TRIAC dimmers zinokufuna ucingo olungathathi hlangothi, ngelixa ezinye zingenakufuna. Ke ngoko, kufuneka ujonge ukuba i-wiring yebhokisi yakho yokutshintsha ekhoyo ihambelana ne-dimmer. Ngaphandle koko, inkqubo yofakelo lwe-TRIAC dimmer ixhomekeke kwimfuno yokulawula ukukhanya. Umzekelo- ukuba ufuna ulawulo lwendawo ezininzi phezu kwezibane, uzakufuna iswitshi yedimmer yendawo ezininzi okanye useto olunje nge-3-way okanye 4-way switch. Ngaphandle koko, indawo kunye nobukhulu be-TRIAC dimmer nayo ibalulekile. Kufuneka uqinisekise ukuba i-dimmer oyithengileyo kufuneka ingene kwibhokisi yokutshintsha ngaphandle kokuxinana kuyo.
AC Dimming vs. DC Dimming: Zazi iiMfuno zakho LED
I-TRIAC dimmers isebenza kwi-AC yangoku kwaye yenzelwe iibhalbhu ze-incandescent kunye nezibane ze-LED ezihambelanayo. Nangona kunjalo, ezinye izibane ze-LED, njengeentambo ze-LED, zihlala zisebenza kwi-AC. Kule meko, kungcono ukhethe i-DC dimmer. Ukuba usebenzisa i-TRIAC dimmer enemigca ye-AC LED, qiniseka ukuba inomqhubi ongaphakathi oguqula i-AC ibe yi-DC ngaphambi kokuba ugqithise umsinga ukuya kwindawo.
Inkqubo yoLawulo lwe-TRIAC ye-LED kunye ne-Wiring yayo
I-TRIAC sisixhobo se-semiconductor esineetheminali ezintathu- isango elinye kunye neetheminali ezimbini eziphambili. Ukuyivula, kufuneka usebenzise i-voltage kwi-terminal yesango layo. I-dimmer iyacima njengoko ususa i-voltage kwisango. Ke ngoko, le dimmer ifanelekile kwizicelo apho ufuna ulawulo lwe-precipice phezu kokuhamba kwangoku kwii-LEDs.
Ukuqala inkqubo yofakelo lwe-TRIAC dimmer, kufuneka uqale ususe iswitshi yokukhanya ekhoyo ekhoyo. Nje ukuba uyisusile, qhagamshela ucingo olumnyama lwe-dimmer kucingo olumnyama oluphuma kwindawo yokuphuma eludongeni. Ngokufanayo, qhagamshela ucingo olumhlophe lwe-dimmer kwintambo emhlophe ekhoyo eludongeni.
Okokugqibela, qhagamshela ucingo olungenanto lomhlaba lobhedu eludongeni kucingo lomhlaba oluhlaza kwi-dimmer, kwaye yenziwe. Ngale ndlela, unokukhawuleza kwaye ngokulula ukucofa i-TRIAC dimmer.
UMlawuli we-TRIAC kunye noMmkeli
Abalawuli be-TRIAC bakuvumela ukuba utshintshe imiba emininzi yokukhanya. Bafezekisa umphumo we-dimmer setting ngokubuyisela ngokukhawuleza ukuhamba kombane, yindlela abasebenza ngayo. Isebenza kwii-LED kunye nezinye iindlela zobuchwepheshe bokukhanyisa ngendlela efanayo. Ii-TRIAC zidla ngokusetyenziswa kwiimeko zombane ophezulu, njengaxa kulayitiwe, kufudunyezwe, okanye kulawulo lweenjini. Bavula kwaye bacime umbane ngokukhawuleza kunokutshintsha umbane rhoqo. Ngaloo ndlela, inceda ukunciphisa ingxolo kunye ne-EMI enokuthi ibe khona.
Kwelinye icala, usebenzisa umamkeli we-TRIAC, unokuguqula ubungakanani bamandla athunyelwe kumthwalo. Ukuze kufezekiswe oku, igcina iwotshi eqinileyo kumbane okhoyo phakathi kweetheminali ze-TRIAC kwaye ivule umthwalo. Yenziwa xa loo mandla ombane efikelela kumda obekiweyo. Lo mamkeli unokusetyenziswa ngeendlela ezahlukeneyo ezahlukeneyo. Eminye imizekelo yezi ziadaptha zeendawo zokuthengisa umbane, ii-throttles zeemotor, kunye ne-dimmers yezibane.
I-TRIAC Dimming Vs. Ezinye iiDimmers
Ngaphandle kwe-TRIAC, zininzi ezinye iindidi zeedimmers ezikhoyo ukulawula ukukhanya. Apha, ndibandakanyile uthelekiso olusecaleni necala lokufiphala kwe-TRIAC nezinye izinto ezahlukeneyo ukukunceda ukhethe eyona ilungileyo:
TRIAC Dimming vs 0/1-10V Dimming
Njenge-TRIAC, inkqubo ye-0-10V yindlela yokunciphisa i-analog. Umqhubi kuyo unezibuko ezimbini ezongezelelweyo ze +10V kunye ne -10V. Nangona kunjalo, i-Triac dimmer yemveli inezibuko elinye kuphela le +10v kunye ne -10v.
I-0 / 1-10V i-dimming switch ilawula izibonakaliso zombane ezikhanyayo phakathi kwe-zero kunye ne-volts ezilishumi (ye-0-10V yokutya) kunye ne-volts enye ukuya kwe-1 (ye-10-0V yokutya). Kule meko, i-10V iphumela kumnyama ngokupheleleyo, kwaye i-1V lelona nqanaba liphezulu lokukhanya. Kwi-10-10V dimming, i-output current yi-1% xa i-voltage ikwi-100V, kwaye i-10% xa i-voltage i-0V. Ngokuchasene ne-10-1V, ene-built-in on / off switch, i-10-1V ayinayo. Ke ngoko, awukwazi ukucima ukukhanya ngokupheleleyo nge-10-XNUMXV dimming, kodwa ungayenza ngayo I-0-10V ifiphale.
| Criteria | TRIAC Dimming | 0/1-10V Dimming |
| Isiphaluka | Amandla AC | DC amandla |
| Umgaqo-siseko wokufiphala | Ukufezekisa ubumnyama, i-TRIAC itshintsha i-current ngokulawula i-voltage nge-negative half-cycle (i-trailing edge dimming) okanye i-positive half-cycle (i-lead edge dimming). | Ilungisa ukukhanya kokukhanya ngokulungelelanisa igalelo le-0 / 1-10V DC yombane. |
| Inkqubo yokulawula | Isebenzisa thyristor | Ilawula amandla ombane ukwenzela ukufiphala |
| Inkqubo yokukhanyisa elawulwayo | Small | ezinkulu |
| Ukucima | Akukho cingo olongezelelweyo olufunekayo; isebenzisa iingcingo zombane eziqhelekileyo. | Ifuna iingcingo zolawulo ezongezelelweyo (+ kunye -) ukulungisa ukukhanya. |
| izicelo | Ekukhanyeni, izixhobo zombane, njl. | Ukusetyenziswa kwamandla aphezulu kunye nosetyenziso olufuna ubumnyama obuchanekileyo, umzekelo, izibane zeqonga. |
TRIAC Dimming vs PWM Dimming
I-PWM imele i-“Pulse-Width Modulation”. Ngokungafaniyo ne-analog TRIAM dimming, i-PWM inetekhnoloji yokuncipha kwedijithali. Le yindlela esebenzayo yokulawula iisekethe ze-analog ezisebenzisa imveliso yedijithali ye-microprocessor. Ukulinganisa ubunzulu beempawu ze-analog kwakhona kulula kunye ne-pulse-width modulation (PWM). Ungalawula umjikelo womsebenzi we-square wave ngokusebenzisa izixhobo zokubala ezinesisombululo esiphezulu.
Uphawu lwe-PWM luhlala luyidijithali naxa unikezelo lweDC olupheleleyo alusoloko lukhona. Xa ukukhanya kuqhagamshelwe kunikezelo lwe-DC, kuyavula. Kwakhona, xa kungekho unikezelo lweDC, umbane uyacima, ukukhanya kuyeka ukufumana umqondiso, kwaye kuyacima.
I-PWM isetyenziswa kwiinkalo ezininzi; umzekelo- isetyenziselwa ukulinganisa, unxibelelwano, ulawulo lwamandla kunye nokuguqulwa, kunye nezibane ze-LED. Kulula ukuyisebenzisa kwaye iyahambelana nezibane ezininzi. Kungenxa yokuba uninzi lwabalawuli abancinci banamhlanje kunye ne-DSPs banabalawuli be-PWM abakhelwe ngqo kwi-chip. Oku kwenza ulawulo lwedijithali lube lula ngakumbi ngokubanzi kwi-TRIAC dimming, engahambelani nazo zonke ii-LED. Ngaphandle koko, unokuphelisa ixabiso lamandla ngokutshintshela i-analog TRIAC dimmer ukuya kwidijithali PWM dimmer.
| Criteria | TRIAC Dimming | Ukukhupha iPWM |
| Ifomu epheleleyo | I-TRIAC imele "i-Triode yokutshintsha kwangoku." | I-PWM imele "UkuModareyitha kwePulse-Width." |
| Itekhnoloji yokuDima | fanekiso | Digital |
| uhlobo | Inqanaba lokusika ubumnyama (i-AC dimming) | Ukufiphala kweDC |
| Ukusebenza kwamandla | low | phezulu |
| ukuhambelana | Isebenza nge-incandescent, i-halogen, kunye nezinye izibane ze-LED ezicimayo. | Isetyenziswe ngabaqhubi be-LED kunye nezibane ze-LED eziphantsi. |
| Ukukhanya Valiwe kuLawulo | Ucima isibane ngokusika onke amandla | Cima isibane ngokuseta umjikelo womsebenzi ukuya kwi-0% (akukho pulses ithunyelweyo). |
| Ukuncipha kokuSebenza | Iyahluka kwizibane ezahlukeneyo; isenokungabi mtyibilizi kuzo zonke ii-LED | I-smother kunye ne-non-flickering free dimming. |
TRIAC Dimming vs DALI Dimming
DALI ayisiyondlela yobumnyama ncam kodwa iteknoloji yokulawula ukukhanya kwedijithali esekwe kwiprothokholi ye-DALI. I-DALI imele "I-Digital addressable Lighting Interface." xa kuthelekiswa nokufiphala kwe-TRIAM, i-DALI ihambele phambili kakhulu kwaye ibonelela ngokuguquguquka okukhulu kokulawula ukukhanya. Inika ulawulo oluchanekileyo nolunokujongana ne-LED. Ngaphandle kokutya nje ukukhanya, unokuhlengahlengisa ubushushu bombala wezixhobo ze-LED usebenzisa i-DALI dimming. Oku kubenza ukhetho oludumileyo lokulawula ukuhanjiswa kunye Izibane ze-RGBW ze-LED.
| Criteria | TRIAC Dimming | DALI Dimming |
| Ifomu Egcweleyo | "I-Triode yoTshintsho lwangoku." | "I-Digital Addressable Lighting Interface" |
| uhlobo | Ukusikwa kwesigaba (i-AC dimming) | Iprothokholi yonxibelelwano lwedijithali (DC dimming) |
| I-Dimming Mechanism | Sika inxalenye ye-AC waveform ukunciphisa amandla | Ithumela imiyalelo yedijithali ukulungisa ubunzulu bokukhanya |
| Ukucima | Akufuni ingcingo zolawulo ezongezelelweyo | Ifuna iingcingo zolawulo ezizinikeleyo ze-DALI zonxibelelwano |
| Ukusebenza kwamandla | Ngaphantsi | Isibhozo |
| Imiboniso yokuKhanya | Akuxhaswa | usekela |
| Ukusabalala | KuNcinci | Ukwaleka kakhulu; ilungele ukufakela okukhulu kunye nobunzima |
| ixabiso | Lixabiso | Ibiza kakhulu |
IiNdlela ezizezinye zeBanga loShishino ukuya kwi-TRIAC Dimmer
I-DMX Dimming
DMX imele "Digital Multiplex Signal". Yiprothokholi yedijithali elawula izibane ezininzi okanye amajelo asuka kwindawo enye. Xa kuthelekiswa ne-TRIAC, i-DMX inikezela ngolawulo olubhetyebhetye ngakumbi noluchanekileyo. Umlawuli omnye we-DMX unokulawula ukuya kuthi ga kwi-512 iziteshi kwindalo yonke (iqela le-DMX fixtures). Oku kukuvumela ukuba ulawule ukude amandla, ukuqaqamba, kunye nombala wee-LED ezithile. I-DMX ifanelekile kufakelo olukhulu olunje kukhanya kwe sigaba, ukukhanya kwezakhiwo, njl.
Ulawulo lwe-DALI
Kulawulo oluphucukileyo noluguquguqukayo lwee-LED, i-DALI yeyona ndlela ibalaseleyo ye-TRIAC. Isebenza kakuhle ngokukhanya kwe-DALI, Izibane ze-LED, izibane ze-LED ze-accent, kunye ne-LED linear systems. Ukufakela i-DALI dimming, udinga intambo yokulawula ene-cores ezimbini. Emva kokuba ukufakela kokuqala kwenziwa, iinkqubo zokulawula izibane zenza kube lula ukubuyisela iisekethe zokukhanyisa ngedijithali.
Banikezela ngoluhlu olubanzi lwezakhono zokufiphaza ekungekho teknoloji yanamhlanje yobumnyama inokubetha. Ngenxa yoku, ungasebenzisa olona guqulelo lwamva nje lwe-DALI ukulawula zombini i-RGBW kunye nokukhanya okumhlophe okunokutyibilikayo. Ngaphandle koko, iziqhushumbisi ezimnyama ezinemigangatho ye-DALI zinokuphatha ngokulula ezona zicelo zinzima zokutshintsha umbala.
I-DALI kunye ne-DMX ziyafana iinkqubo, kodwa iDALI inenkqubo yolawulo entsonkothileyo ngakumbi. Ngaphandle koko, banokwenza idilesi ezenzekelayo, kodwa i-DMX ayikwazi.
FAQs
Ukusonga UP
Xa uthenga i-TRIAC dimming ye-LED yakho, qiniseka ukuba iyahambelana nenye. Kuya kufuneka kwakhona uqwalasele amandla ombane wesibane njengoko i-TRIAC isebenza kumbane oqhelekileyo we-AC. Ke ngoko, ukulawula izibane ze-LED ezisezantsi njengeentambo ze-LED ezixhasa i-DC, kuya kufuneka ujonge umqhubi we-TRIAC dimmer LED. Ungajonga yethu LEDYi TRIAC / Phase-Sika Dimmable LED Driver, enika ukukhutshwa kokukhanya okuqhubekayo, okugudileyo, kunye nokuzinzileyo. Ixhasa uluhlu olupheleleyo lwe-Dimming ye-0-100% kwaye iza nesibonelelo sewaranti yeminyaka emi-5. Ke, oda ASAP!
