Izibonisi ze-LED ziyimikhiqizo ye-elekthronikhi. Inqobo nje uma kuyimikhiqizo ye-elekthronikhi, azohluleka nakanjani ngesikhathi sokusetshenziswa. Ngakho-ke yimaphi amathiphu okulungisa izibonisi ze-LED?
Abangane abake bathintana nezibonisi ze-LED bayazi ukuthi izibonisi ze-LED zihlanganiswa ndawonye isiqeshana ngesiqephu samamojula e-LED. Njengoba kushiwo ngaphambili, izikrini zokubonisa i-LED ziyimikhiqizo ye-elekthronikhi, ngakho-ke isakhiwo saso esiyisisekelo yindawo yokubonisa (indawo yesibani), i-PCB (ibhodi lesifunda), nendawo yokulawula (ingxenye ye-IC).
Uma sikhuluma ngamathiphu okulungisa izibonisi ze-LED, ake sikhulume ngamaphutha avamile kuqala. Amaphutha avamile ahlanganisa: ingxenye "yezibani ezifile", "izibungu", amabhulokhi ombala angekho ngokwengxenye, izikrini ezimnyama eziyingxenye, izikrini ezinkulu ezimnyama, amakhodi aboshwe ngokwengxenye, njalonjalo.
Ngakho-ke ungalungisa kanjani lezi zinkinga ezivamile? Okokuqala, lungiselela amathuluzi okulungisa. Izingcezu ezinhlanu zengcebo yesisebenzi sokulungisa isibonisi se-LED: ama-tweezers, isibhamu somoya oshisayo, i-soldering iron, i-multimeter, ikhadi lokuhlola. Ezinye izinto ezisizayo zihlanganisa: i-solder paste (i-tin wire), i-flux promoting, i-copper wire, i-glue, njll.
1. Inkinga "yokukhanya okufile" ingxenye
"Ukukhanya okufile" kwendawo kubhekisela eqinisweni lokuthi isibani esisodwa noma ezimbalwa endaweni yesibani yesibonisi se-LED asikhanyi. Lolu hlobo lokungakhanyi luhlukaniswe lwaba ukungakhanyi okugcwele kanye nokwehluleka kombala ngokwengxenye. Ngokuvamile, lesi simo siwukuthi isibani ngokwaso sinenkinga. Kuphakathi kokuthi inomswakama noma i-chip ye-RGB ilimele. Indlela yethu yokulungisa ilula kakhulu, vele ubeke esikhundleni sayo ubuhlalu bezibani ze-LED ezifakwe efektri. Amathuluzi asetshenziswayo ama-tweezers kanye nezibhamu zomoya oshisayo. Ngemva kokushintsha ubuhlalu besibani se-LED obuyisipele, sebenzisa Hlola ikhadi lokuhlola futhi, uma ingekho inkinga, selilungisiwe.
2. Inkinga "isibungu".
"I-Caterpillar" isingathekiso nje, esibhekisela kwinto yokuthi ibha ende emnyama nekhanyayo ibonakala engxenyeni yesibani lapho isibonisi se-LED sikhanya futhi ungekho umthombo wokufaka, futhi umbala ubomvu kakhulu. Imbangela yalesi simo ukuvuza kwe-chip yangaphakathi yesibani, noma isifunda esifushane somugqa weshubhu le-IC ngemuva kwesibani, okokuqala iningi. Ngokuvamile, uma lokhu kwenzeka, sidinga kuphela ukusebenzisa isibhamu somoya oshisayo ukuze sishaye umoya oshisayo eduze “kwecimbi” elivuzayo. Uma ishaya isibani esiyinkinga, ngokuvamile ilungile, ngoba ukushisa kubangela ukuthi i-chip yokuvuza yangaphakathi ixhunywe. Ivuliwe, kodwa kusenezingozi ezifihliwe. Sidinga kuphela ukuthola ubuhlalu besibani se-LED obuvuzayo, bese sibuyisela lobu buhlalu besibani obufihliwe ngokwendlela eshiwo ngenhla. Uma kuwumjikelezo omfushane weshubhu kalayini ohlangothini olungemuva lwe-IC, udinga ukusebenzisa i-multimeter ukuze ulinganise isekethe yephinikhodi ye-IC efanele bese ufaka i-IC entsha esikhundleni sayo.
3. Amabhulokhi anombala oyingxenye awekho
Abangane abajwayelene nezibonisi ze-LED kumele balubonile lolu hlobo lwenkinga, okungukuthi, isikwele esincane samabhulokhi anemibala ehlukene siyavela uma isibonisi se-LED sidlala ngokujwayelekile, futhi siyisikwele. Le nkinga ngokuvamile ukuthi umbala IC ngemuva kwebhulokhi yombala uyashiswa. Isixazululo ukufaka i-IC entsha esikhundleni sayo.
4. isikrini esimnyama esiyingxenye nendawo enkulu yesikrini esimnyama
Ngokuvamile, isikrini esimnyama sisho ukuthi uma isikrini sokubonisa se-LED sidlala ngokujwayelekile, imojuli ye-LED eyodwa noma amaningi abonisa into yokuthi yonke indawo ayikhanyi, futhi indawo yamamojula ambalwa e-LED ayikhanyi. Siyibiza ngokuthi isikrini esimnyama esiyingxenye. Sibiza izindawo eziningi. Kuyisikrini esikhulu esimnyama. Uma lesi simo senzeka, ngokuvamile sicabangela isici samandla kuqala. Ngokuvamile, hlola ukuthi inkomba yamandla e-LED isebenza ngokujwayelekile yini. Uma inkomba yamandla e-LED ingakhanyi, ingenxa yokuthi ukunikezwa kwamandla konakele. Vele ubeke esikhundleni esisha ngamandla ahambisanayo. Kufanele futhi uhlole ukuthi ingabe intambo yamandla yemojuli ye-LED ehambisana nesikrini esimnyama ikhululekile yini. Ezimweni eziningi, ukusonta kabusha intambo kungaphinde kuxazulule inkinga yesikrini esimnyama.
5. garbled ingxenye
Inkinga yamakhodi endawo adukile iyinkimbinkimbi kakhulu. Kubhekiselwa entweni yamabhulokhi ombala angahleliwe, angajwayelekile, futhi okungenzeka acwayize endaweni yasendaweni lapho kudlala isikrini sokubonisa se-LED. Uma lolu hlobo lwenkinga lwenzeka, ngokuvamile siqala ngokuxazulula inkinga yokuxhuma komugqa wesignali, ungabheka ukuthi ikhebula eliyisicaba lishile yini, ukuthi ikhebula lenethiwekhi lixega, nokunye. Ekulungiseni ukulungiswa, sithole ukuthi intambo ye-aluminium-magnesium kulula ukuyishisa, kuyilapho ikhebula lethusi elimsulwa liphila isikhathi eside. Uma kungekho nkinga ekuhloleni lonke uxhumano lwesignali, bese ushintshanisa imodyuli ye-LED eyinkinga nemodyuli yokudlala evamile eseduze, ungakwazi ukwahlulela ngokuyisisekelo ukuthi kungenzeka yini ukuthi i-module ye-LED ehambisana nendawo yokudlala engavamile yonakele, futhi imbangela umonakalo ikakhulukazi izinkinga ze-IC. , Inqubo yokulungisa izoba nzima kakhulu. Ngeke ngingene emininingwaneni lapha.
Isikhathi sokuthumela: Nov-19-2021
