Uburyo butanu bwingenzi bwo gucana amatara ya LED

1. 1-10V dimming: Hariho imirongo ibiri yigenga mugikoresho cya 1-10V. Imwe ni umuyagankuba usanzwe, ukoreshwa mu kuzimya cyangwa kuzimya amashanyarazi kubikoresho byo kumurika, naho ubundi numuyoboro muke muto, utanga umurongo wa Voltage, ubwira ibikoresho byo kumurika urwego rucye. Igenzura rya 0-10V ryakoreshwaga cyane mugucana amatara ya fluorescent. Noneho, kubera ko amashanyarazi ahoraho yongewe kumashanyarazi ya LED kandi hariho umuzenguruko wabigenewe, bityo dimmer 0 -10V irashobora kandi gushyigikira umubare munini wamatara ya LED. Ariko, amakosa yo gusaba nayo aragaragara cyane. Ibimenyetso byo kugenzura imbaraga nkeya bisaba umurongo wongeyeho imirongo, byongera cyane ibyangombwa byubwubatsi.

2. DMX512 dimming: Porotokole ya DMX512 yakozwe bwa mbere na USITT (Ishuri Rikuru ry’ikoranabuhanga rya Leta zunze ubumwe za Amerika) mu buryo busanzwe bwa digitale kuva kuri konsole kugira ngo igenzure dimmer. DMX512 irenze sisitemu igereranya, ariko ntishobora gusimbuza rwose sisitemu yo kugereranya. Ubworoherane bwa DMX512, kwiringirwa (niba bwarashyizweho kandi bugakoreshwa neza), no guhinduka bikora protocole yo guhitamo niba amafaranga abyemereye. Mubikorwa bifatika, uburyo bwo kugenzura DMX512 muri rusange ni ugushushanya amashanyarazi hamwe nuyobora hamwe. Umugenzuzi wa DMX512 agenzura imirongo 8 kugeza 24 kandi atwara umurongo wa RBG wamatara ya LED. Ariko, mukubaka imishinga yo kumurika, kubera intege nke za DC, birasabwa gushiraho umugenzuzi kuri metero 12, kandi bisi yo kugenzura iri muburyo bubangikanye. , kubwibyo, umugenzuzi afite insinga nyinshi, kandi mubihe byinshi ntibishoboka kubaka.

3. Kugabanya Triac: Kugabanya Triac byakoreshejwe mumatara yaka n'amatara azigama ingufu igihe kinini. Nuburyo kandi bukoreshwa cyane muburyo bwo gucana LED. Kugabanuka kwa SCR ni ubwoko bwimiterere yumubiri. Guhera kuri AC icyiciro 0, kwinjiza voltage bikata mumiraba mishya. Nta voltage yinjira kugeza SCR ifunguye. Ihame ryakazi nugukora ibintu bifatika biva mumashanyarazi nyuma yo gukata ibyinjira byinjira mumashanyarazi. Gushyira mu bikorwa ihame rifatika birashobora kugabanya agaciro keza kasohotse mumashanyarazi, bityo bikagabanya imbaraga zumutwaro usanzwe (imitwaro irwanya). Triac dimmers ifite ibyiza byo guhinduranya neza, gukora neza, ingano nto, uburemere bworoshye, hamwe no kugenzura kure, kandi biganje ku isoko.

4. PWM dimming: Impinduka yubugari bwa pulse (PWM-Pulse Width Modulation) tekinoroji itahura igenzura ryumuzunguruko ukoresheje uburyo bwo kugenzura imiyoboro ya inverter. Ibisohoka byahinduwe na pulse ubugari bwa modulisiyo yikoranabuhanga ni urukurikirane rwa pulses zingana zingana zikoreshwa mugusimbuza icyerekezo cyifuzwa.

Dufashe urugero rwa sine nkurugero, ni ukuvuga, gukora voltage ihwanye nuruhererekane rwimisemburo ya sine, kandi bigatuma ibisohoka bisohoka neza bishoboka kandi hamwe nuburyo budahwitse buke. Ukurikije ibikenewe bitandukanye, ubugari bwa buri pulse burashobora guhindurwa bikurikije kugirango uhindure ibisohoka voltage cyangwa ibisohoka, bityo ugenzure ibizunguruka. Muri make, PWM nuburyo bwo kubara imibare igereranya urwego.

Binyuze mu gukoresha imashini ihanitse cyane, igipimo cyo guturamo cya kwaduka kare cyahinduwe kugirango kode urwego rwibimenyetso byihariye. Ikimenyetso cya PWM kiracyari digitale kuko umwanya uwariwo wose, imbaraga za DC zuzuye zirahari rwose cyangwa ntizihari rwose. Umuvuduko cyangwa isoko ya none ikoreshwa kumurongo wigana muburyo bwisubiramo bwa pulses cyangwa hanze. Iyo amashanyarazi ari, ni mugihe amashanyarazi ya DC yongewe kumuzigo, kandi iyo azimye, ni mugihe amashanyarazi yaciwe.

Niba inshuro zumucyo numwijima zirenga 100Hz, icyo ijisho ryumuntu ribona ni impuzandengo yumucyo, ntabwo LED yaka. PWM ihindura umucyo muguhindura igipimo cyigihe cyijimye kandi cyijimye. Muri cycle ya PWM, kubera ko umucyo ubonwa nijisho ryumuntu kumurabyo urenze 100Hz nigikorwa cyo guhuriza hamwe, ni ukuvuga igihe cyiza kibara igice kinini cyinzira zose. Ninini nini, irushaho kumurika ijisho ryumuntu.

5. DALI dimming: Igipimo cya DALI cyasobanuye umuyoboro wa DALI, harimo nibice 64 (birashobora gukemurwa byigenga), amatsinda 16 nibice 16. Ibice bitandukanye byo kumurika kuri bisi ya DALI birashobora guhurizwa hamwe kugirango bigere no kugenzura ibintu bitandukanye. Mubikorwa bifatika, umugenzuzi usanzwe wa DALI agenzura amatara agera kuri 40 kugeza kuri 50, ashobora kugabanywamo amatsinda 16, kandi ashobora gutunganya ibikorwa bimwe. Mumuyoboro wa DALI, amabwiriza yo kugenzura 30 kugeza 40 arashobora gutunganywa kumasegonda. Ibi bivuze ko umugenzuzi akeneye gucunga amabwiriza 2 ya dimingi kumasegonda kuri buri tsinda rimurika.