(一) Uhlolojikelele lokuthuthukiswa kokukhanya kwe-LED
Ikhomishana Kazwelonke Yokuthuthukiswa Nezinguquko yaseChina ikhiphe “Umhlahlandlela Wokucisha amalambu e-incandescent e-China”, othi kusukela mhla lu-1 kuMfumfu wezi-2012, ukungenisa nokudayiswa kwamalambu e-incandescent anama-watts angu-100 nangaphezulu kokukhanyisa okuvamile kuzovinjelwa. Kusukela mhla lu-1 kuMfumfu wezi-2014, ukungenisa nokudayiswa kwama-watts angu-60 nangaphezulu kwezibani ezikhanyisayo ezivamile akuvunyelwe. Kulindeleke ukuthi kusukela mhla lu-1 kuMfumfu wezi-2016, ukungeniswa nokudayiswa kwama-watts angu-15 nangaphezulu kwezibani ezikhanyisayo ezikhanyisayo kuzovalwa, okusho ukuthi ukuqedwa kokukhishwa kwezibani ezivamile zokukhanyisa e-China sekuphothuliwe. Ngokunyamalala kancane kancane kwezibani ze-incandescent, izibani eziholayo njengamandla amasha okonga amandla nokuvikelwa kwemvelo kancane kancane zavela futhi zaziwa kubantu.
Uma kubhekwa intengo ekhuphukayo yempushana ye-fluorescent, izindleko zezibani ezijwayelekile zokonga amandla ziyaqhubeka nokukhuphuka, futhi izibani ezintsha ze-LED njengezibani zokukhanyisa ziye zangena kancane kancane emkhakheni wombono womphakathi. Kusukela ekuzalweni kwezibani ze-LED, ukukhanya kwazo kuye kwathuthukiswa ngokuqhubekayo, kancane kancane kusukela kunkomba ye-LED kuya emkhakheni wokukhanyisa kwe-LED. Amalambu aphansi e-LED ashintsha kancane kancane ukusuka ekukhanyeni okuphezulu ukuya phezulu kuya kwesithandwa esisha semakethe yohlelo lokusebenza.
Ukuhlaziywa kwesimo sokukhanya kwe-LED
Ngemuva kweminyaka yokuthuthukiswa, ukukhanya kwe-LED sekusetshenziswe kabanzi emkhakheni wobunjiniyela nokuthuthukiswa kwekhaya, ngokuyisisekelo esikhundleni sokukhanyisa okujwayelekile. Emkhakheni wokukhanyisa kwe-LED, ukukhanya okuphansi kungashiwo ukuthi yisigaba esithandwa kakhulu, ngoba okuqukethwe kwayo kwezobuchwepheshe akuphakeme, ngokuyisisekelo amafektri e-screwdriver angakhiqizwa. Awukho umkhawulo wokungena, noma ubani angakhiqiza, agcwale, okuholela kukhwalithi engalingani, amanani asukela kumadola ambalwa kuya ezinkulungwaneni zamadola, ngakho imakethe yamanje yokukhanya kwe-LED isanesiphithiphithi. Ngesikhathi esifanayo, intengo yamanje yokukhanya ephansi isobala kakhulu, kusukela ku-chip, igobolondo kuya emaphaketheni kanye nezinye izesekeli izindleko abathengisi ngokuyisisekelo baqonde ngokucacile, futhi ngenxa yomkhawulo ophansi wokungena, abakhiqizi abaningi, ukuncintisana okunamandla, ngakho-ke inzuzo yokukhanya kwe-LED iqhathaniswa neminye imikhiqizo yokuhweba iphansi kakhulu.
Amalambu aphansi ngokuvamile asetshenziswa enxanxatheleni yezitolo, emahhovisi, ezimbonini, ezibhedlela nakwezinye izibani zasendlini, ukufakwa kulula futhi kulula ukuba abantu bakuthande. Amalambu aphansi e-LED azuza njengefa zonke izinzuzo zokukhanya phansi okuvamile, ukushisa okuncane, impilo ende yokonga amandla, kanye nezindleko zokulungisa ezincane. Izibani zakuqala ze-LED ngenxa yezindleko eziphezulu zobuhlalu obukhanyayo be-LED, izindleko eziphelele azamukelwa amakhasimende. Ngokuncishiswa kwentengo yama-LED ama-downlight chips kanye nokuthuthukiswa kobuchwepheshe bokukhipha ukushisa, kuye kwabeka isisekelo esiqinile sokuthi izibani ze-LED zingene emkhakheni wezohwebo.
Amalambu aphansi e-LED akhiwe ngobuhlalu be-LED, indlu ekhanyayo, kanye nogesi. Ngobuhlalu bokukhanya okuphansi, kufanelekile ukusebenzisa ubuhlalu besibani obunamandla amakhulu njengobuhlalu besibani esisodwa se-1W, akufanele basebenzise amandla amancane njenge-5050,5630 nezinye ubuhlalu besibani, isizathu siwukuthi ukukhanya kwe-LED yesibani samandla amancane ukukhanya kukhanya ngokwanele kodwa ukukhanya akwanele, futhi ukukhanya kwe-LED ngokuvamile kuyibanga eliphansi lokukhanya - amamitha angu-4 okukhanya okuphansi, amamitha angu-4 aphansi. akwanele ukuze ukukhanya komhlabathi amandla akwanele. Ubuhlalu bezibani bamandla aphezulu, ikakhulukazi ukukhanya komthombo wokukhanya ohlanganisiwe, sekube abakhiqizi bokuqala bokukhanya kwe-LED. Njengamanje, okuvame ukusetshenziswa ubuhlalu besibani obunamandla amakhulu njengobuhlalu besibani obubodwa be-1W, obenzelwa ukukhanya okuphansi okungu-1W, 3W, 5W, 7W, 9W, njll., ubuningi ngokuvamile bungenziwa ku-25W, uma ukusetshenziswa kohlelo lokuhlanganiswa kwamandla aphezulu kungenza futhi amandla aphezulu.
Kunezingxenye ezintathu eziyinhloko ezinquma ukuphila kokukhanya okuphansi: ubuhlalu belambu le-LED, ukupholisa okuholelekile "i-shell design", kanye nokunikezwa kwamandla okuhola. Abakhiqizi bezinhlamvu zesibani se-LED banquma impilo eyinhloko yezibani ze-LED, okwamanje, abakhiqizi be-chip bezinga eliphezulu bangaphandle bane-United States CREE, Japan Nichia (Nichia), i-West Iron City, njll., i-crystal yabakhiqizi baseTaiwan engabizi kakhulu (e-China ngokuvamile ibhekisela ekuthengeni imikhiqizo yokupakisha ye-crystal led chip, ikakhulukazi e-Taiwan noma i-Cross-Stracks, abakhiqizi be-Mainland njll. ezintathu i-photoelectric nokunye.
Ngokuvamile, abakhiqizi bokukhanya kwe-LED bekhwalithi ephezulu bazosebenzisa ama-chips e-CREELED angaphandle, okungenani umkhiqizo owodwa ozinzile owaziwa emakethe. Isibani esenziwe ngale ndlela sinokukhanya okuphezulu kwemvelo, impilo ende, kodwa intengo ayishibhile, futhi impilo ye-chip yabakhiqizi baseTaiwan nayo yinde, kodwa intengo iphansi kakhulu, eyamukelekayo ngokuyisisekelo kumakhasimende asekhaya aseShayina aphakathi kwemakethe. Impilo ye-chip yemakethe yaseShayina ifushane, ukubola okukhanyayo kukhulu, kodwa intengo ephansi isibe yisinqumo sokuqala senani elikhulu labakhiqizi abancane ukulwa namanani. Hlobo luni lobuhlalu besibani se-LED kanye nama-chips e-LED asetshenziswayo futhi kunquma ngokuqondile ukuma kwabakhiqizi bokukhanya kwe-LED kanye nesibopho somphakathi esivezwa embonini.
Ukunikezwa kwamandla kwe-LED yinhliziyo yezibani ze-LED eziphansi, ezinomthelela omkhulu empilweni yezibani ze-LED. Ngokuvamile, izibani ze-LED zingu-110/220V kagesi, imakethe yasendaweni yaseChina ingu-220V kagesi. Ngenxa yesikhathi esifushane sokuthuthukiswa kwezibani ze-LED, izwe alikakabeki izindinganiso zokunikezwa kwamandla kagesi, ngakho-ke ukunikezwa kwamandla e-LED emakethe akulingani, isithombe sendandatho siphambene, inani elikhulu lamanani aphansi e-PF, futhi alikwazi ukukhukhula imakethe ngokusebenzisa ukunikezwa kwamandla kwe-EMC. Impilo ye-electrolytic capacitor ye-electrolytic capacitor iphinde inqume ngokuqondile impilo yokunikezwa kwamandla, ngoba siyazwela emananini, futhi sithola izindlela zokunciphisa izindleko zokunikezwa kwamandla, okuholela ekuguqulweni kwamandla okuphansi kwamandla kagesi we-LED, futhi impilo yesevisi ayinde, ukuze ukukhanya kwe-LED kuguqulwe kusuka "isibani sokuphila isikhathi eside" kuya "kwesibani sesikhashana".
Idizayini yokukhipha ukushisa yokukhanya kwe-LED ibalulekile futhi empilweni yayo, futhi ukushisa kwe-LED kudluliselwa kusuka ebuhlalu besibani kuya ku-PCB yangaphakathi bese kuthunyelwa ngaphandle kwezindlu, bese indlu idluliselwa emoyeni ngokusebenzisa i-convection noma i-convection. Ukushisa kokushisa kwe-PCB kufanele kusheshe ngokwanele, ukusebenza kokushisa kokushisa kwamafutha ashisayo kufanele kube kuhle ngokwanele, indawo yokushisa ukushisa kwegobolondo kufanele ibe nkulu ngokwanele, futhi ukuklama okunengqondo kwezici eziningana kunquma ukuthi izinga lokushisa le-PN junction alikwazi ukuba ngaphezu kwama-degree angu-65 lapho isibani se-LED sisebenza ngokujwayelekile, ukuze kuqinisekiswe ukuthi i-chip ye-LED esebenzayo iphezulu kakhulu futhi izinga lokushisa ngeke likhiqize kakhulu. ngokushesha.
Irediyetha ye-LED ingaxazulula izinkinga ezihlobene ezibangelwa ukungakwazi kwe-radiator ukuthekelisa ukushisa kubuhlalu besibani kanye ne-PCB yangaphakathi: futhi yafaka isicelo selungelo lobunikazi likazwelonke; Yenziwe ngekhwalithi ephezulu ye-aluminium engu-6063, eyenza umphumela wokushisa ukushisa kanye nokuchithwa kokushisa kokukodwa, ukufeza ukusebenza kahle kokushisa kokushisa nokushisa kokushisa; Ingaphezulu lerediyetha liklanywe ngobuningi bezimbobo ezikhipha ukushisa, futhi usinki wokushisa ngaphandle kwerediyetha uyasebenza ukuze kuzuzwe ukuqhutshwa komoya. Njengobuningi bamapayipi entuthu, ukushisa kwe-LED kukhishelwa phezulu, futhi ukushisa kukhishwa kusinki wokushisa, ukuze kufezwe ukulahlwa kokushisa okuphumelelayo.
Izimpawu nezinzuzo zokuhlaziywa kokukhanya kwe-LED
I-LED njengomthombo wokukhanya yaqala ukusetshenziswa ekukhanyeni kokukhanyisa, kodwa amashumi ambalwa eminyaka kuphela, kodwa kuye kwaba yintuthuko enkulu, okwamanje, izinhlobo ezihlukahlukene zokukhanyisa izibani ze-LED, ikakhulukazi ezihlanganisa izibani ze-LED, izibani ze-LED, izibani ze-LED, ama-LED, izibani ze-LED, njll, kodwa elinye lamathemba okuthuthukiswa okubanzi kakhulu ukukhanya kwe-LED.
I-1, izibani ze-LED zinokuguquguquka okuqinile, izibani ze-LED azinazo izinkinga zesikhathi sokuqalisa, amandla angasebenza ngokushesha ngokujwayelekile, asikho isidingo sokulinda isikhathi eside, umbala womthombo okhanyayo, eduze nokukhanya kwemvelo, ukufakwa okusheshayo nokuguquguqukayo, noma iyiphi i-Angle eguquguqukayo, ukuguquguquka okunamandla, ububanzi bezinhlelo zokusebenza.
I-2, ukulungiswa kokukhanya kwe-LED kuphezulu, umthombo wokukhanya we-LED ungakhiwa ngamaqembu amaningi amamojula we-LED, ukukhanya kwe-LED kungabuye kwakhiwe ngamaqembu amaningi amamojula we-cavity ye-LED, ungaphazamisi omunye nomunye, ukugcinwa okulula, ukunikezwa kwamandla kanye nomklamo ozimele womthombo wokukhanya, umonakalo udinga kuphela esikhundleni sengxenye eyinkinga, umonakalo ngamunye ngeke ube nomthelela omkhulu ekukhanyeni okuvamile, asikho isidingo sokushintsha isibani sonke.
I-3, ukusebenza kokuqala kokukhanya kwe-LED kuhle, kuyashesha futhi kuthembekile, isikhathi sokuphendula se-millisecond kuphela, singafinyelela okukhipha konke ukukhanya, ukumelana nokudlidliza kokukhanya kwe-LED, ukumelana nesimo sezulu esihle, impilo ende.
4, Inkomba yokunikeza umbala wokukhanya okuphansi kwe-LED ingaphezulu, imfuneko yenkomba yezinga kazwelonke yokunikeza umbala yalesi sikhawu i-Ra=60, inkomba yokunikeza umbala womthombo okhanyayo we-LED ngokuvamile iphakeme kunomthombo wokukhanya ovamile, kuleveli yamanje, inkomba yokunikeza umbala wokukhanya okuphansi kwe-LED ingafinyelela ku-70 kuya ku-85. KuLediant, singafinyelela ku-90＋.
Isikhathi sokuthumela: Sep-11-2023