Shanta hab ee ugu waaweyn ee yaraynta nalalka LED

1. 1-10V dimming: Waxaa jira laba wareeg oo madax-bannaan oo ku jira 1-10V qalab-dhimista. Mid waa wareegga korantada ee caadiga ah, oo loo isticmaalo in lagu shido ama lagu damiyo korontada qalabka iftiinka, midda kalena waa wareegga hoose ee korantada, kaas oo bixiya tixraaca Voltage, ayaa u sheegaya qalabka iftiinka heerka dhimista. 0-10V kontaroolaha dimming ayaa caadi ahaan loo isticmaali jiray xakamaynta nalalka dhaadheer. Hadda, sababtoo ah koronto joogto ah ayaa lagu daraa moduleka darawalka LED waxaana jira wareegga kontoroolka gaarka ah, sidaas darteed 0 -10V dimmer waxay sidoo kale taageeri kartaa tiro badan oo nalalka LED ah. Si kastaba ha ahaatee, cilladaha codsiga ayaa sidoo kale aad u muuqda. Calaamadaha xakamaynta korantada hooseeya waxay u baahan yihiin khadadka dheeraadka ah, taas oo si weyn u kordhinaysa shuruudaha dhismaha.

2. DMX512 Dimming: Hab-maamuuska DMX512 waxaa markii ugu horreysay soo saaray USITT (Machadka Tiyaatarka Tiyaatarka ee Maraykanka) oo ka dhigay interface-ka dhijitaalka ah ee caadiga ah ee console-ka si loo xakameeyo dimmer. DMX512 way ka gudubtaa nidaamyada analoogga, laakiin si buuxda uma beddeli karaan nidaamyada analoogga. Fududnaanta DMX512, isku halaynta (haddii la rakibay oo si sax ah loo isticmaalo), iyo dabacsanaantu waxay ka dhigaysaa nidaamka doorashada haddii lacagta la oggolaado. Codsiyada wax ku oolka ah, habka xakamaynta ee DMX512 guud ahaan waa in la naqshadeeyo tamarta iyo korantada si wadajir ah. Koontaroolaha DMX512 wuxuu maamulaa 8 ilaa 24 xariiq wuxuuna si toos ah u wadaa khadadka RBG ee nalalka LED. Si kastaba ha ahaatee, marka la dhisayo mashaariicda nalalka, sababtoo ah daciifinta khadadka DC, waxaa loo baahan yahay in lagu rakibo kontaroole qiyaastii 12 mitir, baska kontoroolka ayaa ku jira qaab isku mid ah. , sidaas darteed, kantarooluhu wuxuu leeyahay fiilooyinka badan, iyo xaalado badan xitaa suurtagal maaha in la dhiso.

3. Dimming Triac: Dimming Triac waxa loo isticmaalay laambada shidan iyo laambadaha tamarta badbaadiya muddo dheer. Sidoo kale waa habka ugu badan ee loo isticmaalo dimming dimming LED. Dimming SCR waa nooc ka mid ah dhuurnaanta jirka. Laga bilaabo AC waji 0, korantada wax soo galinta waxay u jajabisaa mowjado cusub. Wax danab gelin ah ma jiro ilaa SCR la shido. Mabda'a shaqadu waa in la soo saaro qaab korantada wax soo saarka tangential ka dib markii la gooyo qaab-dhismeedka korantada galitaanka iyada oo loo marayo xagasha korantada. Codsashada mabda'a tangential waxay yareyn kartaa qiimaha waxtarka leh ee korantada wax soo saarka, taas oo yareyneysa awoodda culeyska caadiga ah (culaysyada iska caabinta). Triac dimmers waxay leeyihiin faa'iidooyinka saxnaanta hagaajinta sare, hufnaan sare, cabbir yar, miisaan fudud, iyo kontorool fog oo fudud, waxayna xukumaan suuqa.

4. PWM dimming: Habaynta ballaca garaaca garaaca (PWM-Pulse Width Modulation) tignoolajiyadu waxay xaqiiqsato xakamaynta wareegyada analoogga iyada oo la xakameynayo off-ka ee furaha wareegga wareegga. Qaabka wax-soo-saarka ee tignoolajiyada wax-ka-beddelka ballaca garaaca wadnaha waa taxanayaal xajmigoodu le'eg yahay oo loo isticmaalo in lagu beddelo qaabkii la rabay.

Haddii aan tusaale u soo qaadano mawjadda sinaha, taas oo ah, samaynta koronta u dhiganta ee taxanahan garaaca wadnaha, iyo samaynta garaaca garaaca wadnaha sida ugu fudud ee suurtogalka ah oo leh nidaam hoose oo hooseeya. Marka loo eego baahiyo kala duwan, ballaca garaaca garaaca kasta waa la hagaajin karaa si loo beddelo tamarta wax soo saarka ama inta jeer ee wax soo saarka, taas oo lagu xakameynayo wareegga analoogga. Si fudud loo dhigo, PWM waa hab dhijitaal ahaan loogu codeeyo heerarka calaamadaha analoogga.

Iyada oo la adeegsanayo xisaabiyeyaasha xallinta sare, saamiga deganaanshaha ee hirarka labajibbaaran ayaa loo habeeyey si loo codeeyo heerka calaamadda analoogga gaarka ah. Calaamadda PWM wali waa dijitaal sababtoo ah wakhti kasta, awoodda DC oo buuxda ayaa si buuxda u jirta ama gebi ahaanba maqan. Korontada ama isha hadda jirta ayaa lagu dabaqaa culeyska la ekayd ee isku xigxiga ee garaaca ama daminta. Marka ay korontadu shidantahay, waa marka sahayda korantada ee DC lagu daro rarka, marka ay damsana tahay, waa marka korontada la gooyo.

Haddi inta jeer ee iftiinka iyo mugdigu ka bato 100Hz, waxa ay isha bini'aadamku arkaan waa dhalaalka celceliska ah ee maaha iftiinka LED-ka. PWM waxay hagaajisaa iftiinka iyadoo hagaajinaysa saamiga wakhtiga dhalaalaya iyo mugdiga. Wareegga PWM, sababtoo ah iftiinka ay u arkaan isha bini'aadamka ee iftiinka iftiinka ee ka weyn 100Hz waa geedi socod isugeyn ah, taas oo ah, wakhtiga dhalaalaya ayaa xisaabinaya qayb weyn oo ka mid ah wareegga oo dhan. Inta uu weynaado, waxa uu u iftiimay indhaha bini'aadamka.

5. DALI dimming: Halbeegga DALI waxa uu qeexay shabakad DALI ah, oo ay ku jiraan ugu badnaan 64 unug (si madax bannaan ayaa wax looga qaban karaa), 16 kooxood iyo 16 muuqaal. Unugyada nalalka kala duwan ee baska DALI si dabacsan ayaa loo kooxaysan karaa si loo gaaro xakamaynta iyo maareynta goobta kala duwan. Codsiyada wax ku oolka ah, koontaroolaha DALI ee caadiga ah ayaa koontaroolaya ilaa 40 ilaa 50 nalal, kuwaas oo loo qaybin karo 16 kooxood, oo u habayn kara ficilada qaarkood si isbarbar socda. Shabakadda DALI dhexdeeda, 30 ilaa 40 tilmaamo kontorool ayaa lagu shaqayn karaa ilbiriqsikii. Tani waxay ka dhigan tahay in koontarooluhu uu u baahan yahay inuu maareeyo 2 tilmaamo yaraynta ilbiriqsi kasta koox kasta oo nalaleed.