IsiShayina
Emkhakheni weIzibani ze-LED, umehluko oyinhloko phakathi "kwe-IC eyakhelwe ngaphakathi" kanye "ne-IC yangaphandle" usesikhundleni sokufakwa kwe-chip yokulawula (IC), enquma ngokuqondile imodi yokulawula, izici zokusebenza, inkimbinkimbi yokufaka kanye nezimo ezisebenzayo zemigqa yokukhanya. Izinzuzo kanye nomehluko phakathi kwalokhu kokubili kungaqhathaniswa ngokucacile kusuka kubukhulu obuningi, kanje:
Umugqa wokukhanya we-IC owakhelwe ngaphakathi: I-IC ne-LED ehlanganisiwe, idizayini nokwenza lula ukufakwa
Isici esiyinhloko somugqa wokukhanya owakhelwe ngaphakathi we-IC ukupakisha i-chip yokulawula (IC) kanye nobuhlalu obukhanyayo be-LED bubonke (njengamamodeli avamile WS2812B, SK6812, njll.), okungukuthi, “uhlalu olulodwa olukhanyayo luhambisana ne-IC eyodwa”, ngaphandle kwesidingo se-chip eyengeziwe yokulawula yangaphandle. Izinzuzo zayo zibonakala ngokuyinhloko kulezi zici ezilandelayo:
Isakhiwo se-1.Compact nokufakwa kalula
I-IC eyakhelwe ngaphakathi ihlanganisa “ubuhlalu be-LED + yokulawula i-IC” kuphakheji eyodwa, okwenza ukwakheka okuphelele komugqa wokukhanya ube mncane, ube lula futhi ube mncane. Asikho isidingo sokugodla isikhala esengeziwe sokufakwa kwe-IC, efaneleke ikakhulukazi Izikhala eziwumngcingo nezimo ezinosayizi omncane (ezifana nezibani zokukhanya zefenisha, izinto ezisetshenziswayo zokudlala, nezibani zokuhlobisa ezincane).
Lapho ufaka, asikho isidingo sokulungisa i-IC yangaphandle ngokuhlukana. Vele unamathele noma uyifake ngocingo ngendlela evamile yamapheshana okukhanya, okunciphisa kakhulu ubunzima bokwakha. Ngisho nabaqalayo bangakwazi ukuyisebenzisa ngokushesha.
2. Ukulawula okuhle, okusekela "ukulawula umbala wephoyinti elilodwa"
Njengoba ubuhlalu be-LED ngayinye bufakwe i-IC ezimele, bungakwazi ukufinyelela ukukhanya okuzimele nokulungiswa kombala wamaphikseli angawodwana (ubuhlalu be-LED) (njengemithelela eguquguqukayo njengamanzi agelezayo, i-gradient, nesibonisi sombhalo), inikeze ukugqama okubonakalayo okucebile. Ifanele izigcawu ezidinga imiphumela yokukhanya ecolisisiwe (njengokukhanya kwe-ambient, ukukhanya okungemuva kwemidwebo yokuhlobisa, kanye nokukhanya kwemininingwane yasesiteji).
3. Izintambo ezilula zinciphisa inani lamaphoyinti ephutha
Imichilo yokukhanya ye-IC eyakhelwe ngaphakathi ngokuvamile idinga kuphela izintambo ezintathu: “VCC (positive), GND (negative), kanye ne-DAT (umugqa wesiginali)” ukuze isebenze (amanye amamodeli ahlanganisa imigqa yewashi ye-CLK), futhi asikho isidingo sokuhlela ukunikezwa kwamandla okungeziwe noma imigqa yesiginali yama-ics angaphandle. Inombolo yezintambo incane, futhi isifunda silula.
Ngokunciphisa "amanodi okuxhumana phakathi kwe-IC yangaphandle kanye nobuhlalu be-LED", amathuba okuba amaphutha abangelwa izintambo ezixekethile kanye nokuxhumana okungalungile kwehliswa ngokwemvelo, futhi ukuzinza kuphezulu.
4. Izindleko ziyalawuleka futhi zifanele izimo ezimaphakathi nezincane
Nakuba izindleko ze-"LED + eyakhelwe ngaphakathi IC" eyodwa ziphakeme kancane kunobuhlalu besibani obujwayelekile, iqeda izindleko ezihlukene zokuthengwa kwempahla nezokubethelwa kwama-ics angaphandle, okwenza isixazululo sisonke sibize kakhulu ukulawuleka. Ifaneleka ngokukhethekile ekusetshenzisweni kweqoqo eliphakathi nendawo nelincane kanye nesilinganiso esimaphakathi nesincane (njengokuhlobisa ikhaya kanye nomhlobiso omncane wezohwebo).
Umugqa wokukhanya we-IC wangaphandle: I-IC ingaphandle ngokuzimela, ivumelana nezimo nezimo ezinamandla amakhulu neziyinkimbinkimbi
Isici esiyinhloko somugqa wokukhanya we-IC wangaphandle ukuthi i-chip yokulawula (IC) kanye nobuhlalu be-LED bufakwe ngokwehlukana - ubuhlalu buwubuhlalu obujwayelekile be-IC (njengobuhlalu be-5050, 2835), kuyilapho i-IC yokulawula ithengiswa ngokuzimela endaweni ethile ebhodini le-PCB lomugqa wokukhanya (njenge-WS2811ICs, njll. Ubuhlalu be-LED” (isibonelo, i-IC eyodwa ilawula ubuhlalu obuthathu be-LED). Izinzuzo zayo zibonakala ngokuyinhloko kulezi zici ezilandelayo:
I-1-Ihambisana namandla aphezulu futhi inokukhipha ukushisa okungcono
I-IC yangaphandle ihlukaniswe nobuhlalu obukhanyayo be-LED, igwema inkinga "yokuqoqwa kokushisa" ye-IC kanye nobuhlalu obukhanyayo kuphakheji efanayo. Ifaneleka kakhulu imichilo yokukhanya yamandla aphezulu (njengaleyo enamandla angaphezu kuka-12W imitha ngayinye kanye nezimo zokukhanyisa ezikhanyayo).
Ama-ics angaphandle angakwazi ukukhipha ukushisa endaweni enkulu ye-foil yethusi ebhodini le-PCB noma izakhiwo ezengeziwe zokulahla ukushisa zingahle zenziwe ukuze kuncishiswe ingozi yokuwohloka kokusebenza noma ukulimala okubangelwa izinga lokushisa eliphezulu. Ukuzinza kwabo kwesikhathi eside kufaneleka kakhulu ezinhlelweni zokulayisha okuphezulu (ezifana nezibani zentengiso namabhokisi okukhanya okukhangisa angaphandle).
2-Ukulawula okuguquguqukayo, okusekela "ukuhlanganiswa kobuhlalu bezibani eziningi"
Ama-ics angaphandle ngokuvamile asekela “i-IC eyodwa elawula ubuhlalu obukhanyayo obuningi” (njengamalambu angu-3/IC, izibani ezingu-6/IC), futhi ingafinyelela “ukulawula umbala ngeqembu” - ifanele izimo ezinezidingo eziphansi "zokulawula umbala wephoyinti elilodwa" kodwa idinga "imiphumela eguquguqukayo yesifunda" (njengezibani zohlaka lwesakhiwo sangaphandle, izibani ezinkulu zokugeza izindonga).
Amanye ama-ic angaphandle (afana ne-WS2811) asekela okokufaka kwamandla kagesi aphezulu (okufana no-12V/24V). Uma kuqhathaniswa nokokufaka okuvamile okungu-5V kwama-ics akhelwe ngaphakathi, anokunciphisa i-voltage encane ngesikhathi sokudluliselwa kwebanga elide futhi afanele izinhlelo zokusebenza zomugqa wokukhanya omude (njengemigqa yokukhanya yangaphandle engaphezu kwamamitha angu-10).
3-Izindleko zokulungisa eziphansi futhi kulula ukukushintsha
I-IC yangaphandle ihlukaniswe nobuhlalu besibani. Uma i-IC ethile ingasebenzi kahle, i-IC engalungile kuphela edinga ukushintshwa ngokuhlukana, ngaphandle kwesidingo sokushintsha lonke umugqa wokukhanya (uma ukungasebenzi kahle kwe-IC yangaphakathi, yonke iphakheji "yebuhlalu besibani + IC" idinga ukushintshwa). Ngokufanayo, uma ubuhlalu be-LED bungasebenzi kahle, asikho isidingo sokushintsha i-IC kanye nabo. Ngesikhathi sokulungiswa, izindleko zezingxenye ziphansi futhi ukusebenza kuvumelana nezimo.
Ezimweni zokusetshenziswa ezinkulu nezesikhathi eside (ezifana nenxanxathela yezitolo namaphrojekthi angaphandle), inzuzo yezindleko zokunakekelwa kwakamuva isobala kakhulu.
I-4-Ukuhambisana okuqinile, ilungele izinhlelo zokulawula eziyinkimbinkimbi
Ukukhethwa kwemodeli yama-ics angaphandle kuhluke kakhulu. Amanye ama-ics angaphandle asezingeni eliphezulu asekela amazinga aphezulu okudluliswa kwesignali kanye neziteshi zokulawula ezengeziwe, futhi ahambisana nezinhlelo zokulawula eziyinkimbinkimbi (ezifana ne-DMX512, i-Art-Net protocol), ezifanele izimo zobunjiniyela ezinkulu (njengezinhlelo zokukhanyisa esiteji, izibani ezinkulu zendawo), futhi zingafinyelela ukulawulwa kokuxhumanisa okuhambisanayo kwemichilo eminingi yokukhanya.
Uma izidingo zingezesikhala esincane, imiphumela emihle eguqukayo, kanye nokufaka okulula (njengokukhanya kwe-ambient yasekhaya, umhlobiso wedeskithophu), nikeza kuqala ukukhetha imichilo yokukhanya ye-IC eyakhelwe ngaphakathi.
Uma izidingo kungezamandla aphezulu, ibanga elide, izimo zangaphandle noma ukunakekelwa okulula esikhathini esizayo (njengesakhiwo sangaphandle nokukhanya kwenxanxathela yezitolo), imichilo yokukhanya ye-IC yangaphandle kufanele inikezwe kuqala.
Ukukhanyisa kwe-MX kunokukhanya okuhlukahlukene kwe-LED okuhlanganisa umugqa we-COB/CSP,umugqa wephikseli oguqukayo, i-neon flex, i-voltage ephezulu ne-wawasher.Xhumana nathiuma udinga amasampula okuhlolwa!
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Isikhathi sokuthumela: Aug-30-2025