(一) Isishwankathelo sophuhliso lwesibane seLED
IKomishoni yeSizwe yoPhuhliso kunye noHlengahlengiso yaseTshayina ikhuphe “Umgaqo wokuphelisa izibane ze-incandescent e-China”, echaza ukuba ukususela ngomhla woku-1 kweyeDwarha ka-2012, ukungeniswa kunye nokuthengiswa kwezibane ze-incandescent ezine-100 watts kunye nezibane ezikhanyisayo ezingaphezulu kuya kuvalwa. Ukusukela ngomhla woku-1 ku-Okthobha ka-2014, ukungeniswa kunye nokuthengiswa kwee-watts ezingama-60 nangaphezulu kwezibane ezikhanyisayo ezikhanyisayo azivumelekanga. Kulindeleke ukuba ukususela ngomhla woku-1 kweyeDwarha yowama-2016, ukungeniswa nokuthengiswa kweewathi ezili-15 nangaphezulu kwezibane ezikhanyisayo zokukhanyisa ngokubanzi kuya kuvalwa, nto leyo ethetha ukuba ukukhutshwa kwezibane eziqhelekileyo zokukhanyisa e-China kugqityiwe. Ngokunyamalala ngokuthe ngcembe kwezibane ze-incandescent, izibane ezikhokelwayo njengamandla amatsha okonga amandla kunye nokukhuselwa kwendalo ngokuthe ngcembe kwavela kwaye kwaziwa ngabantu.
Ngenxa yokunyuka kwexabiso lomgubo we-fluorescent, iindleko zezibane eziqhelekileyo zokulondoloza amandla ziyaqhubeka nokunyuka, kwaye izibane ezintsha ze-LED njengezibane zokukhanyisa ziye zangena ngokuthe ngcembe kwintsimi yombono woluntu. Ukususela ekuzalweni kwezibane ze-LED, ukukhanya kwabo kuye kwaphuculwa ngokuqhubekayo, ngokuthe ngcembe ukusuka kwisalathisi se-LED ukuya kwintsimi yokukhanyisa kwe-LED. Izibane ze-LED ziguquka kancinane ukusuka kwizibane eziphezulu zokukhanya ukuya kwinto entsha yentengiso yesicelo.
Uhlalutyo lwesimo sokukhanya kwe-LED
Emva kweminyaka yophuhliso, izibane ze-LED zisetyenziswe ngokubanzi kubunjineli kunye neendawo zokuphucula ikhaya, ngokusisiseko zithatha indawo yokukhanya kwendabuko. Kwintsimi yokukhanyisa kwe-LED, izibane ezisezantsi zinokuthiwa ziluhlu oludumileyo, kuba umxholo walo wezobugcisa awuphezulu, ngokusisiseko iifektri ze-screwdriver zinokuveliswa. Akukho mda wokungenwa, nabani na unokuvelisa, ukunyakazela, okukhokelela kumgangatho ongalinganiyo, amaxabiso asuka kwiidola ezimbalwa ukuya kwishumi leedola, ngoko ke imarike yokukhanya kwe-LED yangoku isenesiphithiphithi. Kwangaxeshanye, ixabiso langoku downlight kakhulu elubala, ukusuka chip, iqokobhe ukupakishwa kunye nezinye izincedisi abathengisi iindleko ngokusisiseko baqonde ngokucacileyo, kwaye ngenxa umqobo yokungena eliphantsi, abavelisi abaninzi, ukhuphiswano oluqatha, ngoko ke inzuzo ukukhanya LED xa kuthelekiswa nezinye iimveliso zorhwebo ngaphantsi kakhulu.
Izibane ezisezantsi zisetyenziswa ngokubanzi kwiindawo zokuthenga, iiofisi, iifektri, izibhedlele kunye nezinye izibane zangaphakathi, ukufakela kulula kwaye kulula ukuba abantu bathande. Izibane ze-LED zizuza ilifa kuzo zonke iingenelo zezibane zemveli, ubushushu obuncinci, ubomi obude bokugcina amandla, kunye neendleko ezincinci zokugcina. Izibane ze-LED zangaphambili ngenxa yeendleko eziphezulu ze-LED zokukhanya, ixabiso elipheleleyo alivunyelwanga ngabathengi. Ngokuncitshiswa kwexabiso le-chips ye-LED kunye nokuphuculwa kobuchwephesha bokutshatyalaliswa kobushushu, ubeke isiseko esiluqilima sokukhanya kwe-LED ukungena kwintsimi yorhwebo.
Izibane ze-LED zenziwe ngamaso e-LED, izindlu ezikhanyayo, kunye nombane. Ukwenzela amaso okukhanya okusezantsi, kufanelekile ukusebenzisa amaso esibane anamandla anjengentsimbi yesibane esisodwa se-1W, akufuneki asebenzise amandla amancinci anje nge-5050,5630 kunye nezinye iintsimbi zesibane, isizathu kukuba ukukhanya kwesibane esincinci se-LED kuqaqambe ngokwaneleyo kodwa ukukhanya akwanelanga, kunye nesibane se-LED esisezantsi singu-5050,5630 kunye nezinye iintsimbi zesibane, isizathu kukuba ukukhanya kwesibane esincinci se-LED kukhazimle ngokwaneleyo kodwa ukukhanya akwanelanga, kunye nokukhanya kwe-LED okuphantsi kokukhanya okuphantsi-umgama ophantsi we-4 irradity. akwanelanga ukwenzela ukuba ukukhanya komhlaba kukhanye akwanelanga. Izibane zezibane zamandla aphezulu, ngakumbi ukukhanya komthombo wokukhanya odibeneyo, kuye kwaba ngabavelisi bokuqala bokukhanya kwe-LED. Okwangoku, isiqhelo esisetyenziswayo yintsimbi yesibane esiphezulu esifana nentsimbi yesibane esisodwa se-1W, esenziwe kwi-downlight 1W, 3W, 5W, 7W, 9W, njl., ubuninzi bungenziwa ngokubanzi kwi-25W, ukuba ukusetyenziswa kweskimu sokuhlanganiswa kwamandla aphezulu kunokukwenza kwakhona amandla aphezulu.
Kukho iindawo ezintathu eziphambili ezimisela ubomi bokukhanya: izibane ze-LED, ukupholisa okukhokelela "uyilo lwegobolondo", kunye nokunikezelwa kwamandla okukhokelwayo. Abavelisi besibane se-LED bamisela ubomi obuphambili bezibane ze-LED, okwangoku, abavelisi be-chip abakumgangatho ophezulu bangaphandle bane-United States CREE, iJapan Nichia (i-Nichia), iSixeko saseWest Iron, njl. ezintathu i photoelectric njalo njalo.
Ngokubanzi, abavelisi bokukhanya kwe-LED abakumgangatho ophezulu baya kusebenzisa iitshiphusi ze-CREELED zangaphandle, ubuncinci enye yeemveliso ezizinzileyo ezivunyiweyo kwimarike. Isibane esenziwe ngolu hlobo sinokukhanya okuphezulu kwendalo, ubomi obude, kodwa ixabiso alitshiphu, kwaye ubomi be-chip babakhiqizi baseTaiwan bude, kodwa ixabiso liphantsi ngokwentelekiso, elamkelekileyo kubathengi basekhaya baseTshayina abaphakathi kwemarike. Ubomi betshiphu yemarike yengingqi yaseTshayina bufutshane, ukubola kokukhanya kukhulu, kodwa elona xabiso liphantsi libe lolona khetho lokuqala kwinani elikhulu labavelisi abancinci ukulwa namaxabiso. Loluphi uhlobo lwamaso isibane LED kunye chips LED zisetyenziswa kwakhona imisela ngqo indawo abavelisi ukukhanya LED kunye noxanduva lwentlalo thaca kushishino.
Ukunikezelwa kwamandla e-LED yintliziyo yezibane ze-LED ezisezantsi, ezinempembelelo enkulu kubomi bezibane ze-LED. Ngokubanzi, izibane ze-LED ziyi-110 / 220V umbane, imarike yendawo yaseChina yi-220V yombane. Ngenxa yexesha elifutshane lophuhliso lwezibane ze-LED, ilizwe alikayibeki imigangatho yonikezelo lwamandla ombane, ngoko ke umbane we-LED kwimarike awulingani, umfanekiso wendandatho unqamlezileyo, inani elikhulu lamaxabiso aphantsi e-PF, kwaye awukwazi ukukhukula kwimarike ngokusebenzisa umbane we-EMC. Ubomi be-capacitor ye-electrolytic yonikezelo lwamandla kwakhona bumisela ngokuthe ngqo ubomi bonikezelo lwamandla, kuba sinovelwano kwixabiso, kwaye sifumana iindlela zokunciphisa iindleko zobonelelo lwamandla, okukhokelela ekuguqulweni kwamandla ombane we-LED, kwaye ubomi benkonzo abukho ixesha elide, ukuze ukukhanya kwe-LED kutshintshe ukusuka "kwisibane sobomi obude" ukuya "kwisibane sobomi obufutshane".
Uyilo lokutshatyalaliswa kobushushu bokukhanya kwe-LED lukwabalulekile kubomi bayo, kwaye ubushushu be-LED buhanjiswa ukusuka kwi-bead yesibane ukuya kwi-PCB yangaphakathi kwaye emva koko ithunyelwe kwizindlu, kwaye ke indlu idluliselwe emoyeni ngokusebenzisa i-convection okanye i-convection. Ukutshatyalaliswa kobushushu be-PCB kufuneka kukhawuleze ngokwaneleyo, ukusebenza kokutshabalalisa ubushushu kwegrisi eshushu kufuneka kube kuhle ngokwaneleyo, indawo yokulahla ubushushu yeqokobhe kufuneka ibe nkulu ngokwaneleyo, kwaye uyilo olufanelekileyo lwezinto ezininzi lumisela ukuba iqondo lobushushu le-PN lesiphambuka alinakuba ngaphezulu kwama-65 degrees xa isibane se-LED sisebenza ngokuqhelekileyo, ukwenzela ukuba kuqinisekiswe ukuba i-chip ye-LED esebenzayo iphezulu kakhulu kwaye iqondo lokushisa liphezulu kakhulu. ngokukhawuleza.
I-radiator ye-LED inokusombulula iingxaki ezihambelanayo ezibangelwa ukungakwazi kwe-radiator ukukhupha ukushisa kwi-bead yesibane kunye ne-PCB yangaphakathi: kwaye isicelo selungelo elilodwa lomenzi welizwe; Yenziwe nge-aluminium ephezulu ye-6063, eyenza umphumo wokushisa ukushisa kunye nokutshatyalaliswa kokushisa kwelinye, ukufezekisa ukuhanjiswa kokushisa okuphezulu kunye nokutshatyalaliswa kobushushu; Umphezulu weradiyetha uyilwe ngobuninzi bemingxuma yokuchitha ubushushu, kunye ne-heat sink ngaphandle kweradiyetha iyaqhuba ukuphumeza ukuhanjiswa komoya. Njengobuninzi bemibhobho yomsi, ubushushu be-LED bukhutshelwa phezulu, kwaye ubushushu buyachithwa kwi-sink yobushushu, ukuze kufezekiswe ukutshatyalaliswa kobushushu obusebenzayo.
Iimpawu kunye neenzuzo zokuhlalutya ukukhanya kwe-LED
I-LED njengomthombo wokukhanya yaqala ukusetyenziswa kwizixhobo zokukhanyisa, kodwa kumashumi ambalwa eminyaka, kodwa ibe luphuhliso olukhulu, okwangoku, iindidi ezininzi zokukhanyisa izibane ze-LED, ngokukodwa kubandakanywa izibane ze-LED, izibane ze-LED, izibane ze-LED, izibane ze-LED, izibane ze-LED, njl.
I-1, izibane ze-LED zinokuguquguquka okunamandla, izibane ze-LED azinazo iingxaki zexesha lokuqalisa, amandla anokusebenza ngokukhawuleza ngokuqhelekileyo, akukho mfuneko yokulinda ixesha elide, umbala wokukhanya okhanyayo, kufuphi nokukhanya kwendalo, ukufakwa ngokukhawuleza kunye nokuguquguqukayo, nayiphi na i-Angle eguquguqukayo, i-versatility enamandla, uluhlu olubanzi lwezicelo.
I-2, ukulungiswa kokukhanya kwe-LED kuphezulu, umthombo wokukhanya we-LED unokuqulunqwa ngamaqela amaninzi eemodyuli ze-LED, ukukhanya kwe-LED kunokuqulunqwa ngamaqela amaninzi eemodyuli ze-LED ze-cavity, musa ukuphazamisana, ukugcinwa okulula, umbane kunye nomthombo wokukhanya ozimeleyo, umonakalo kuphela kufuneka utshintshe inxalenye eyingxaki, umonakalo ngamnye awuyi kuba nefuthe elikhulu ekukhanyeni okuqhelekileyo, akukho mfuneko yokutshintsha isibane sonke.
I-3, ukukhanya kwe-LED ukuqala ukusebenza kakuhle, ngokukhawuleza kwaye kuthembekile, ixesha lokuphendula le-millisecond kuphela, linokufikelela kwimveliso yokukhanya konke, ukuxhathisa ukukhanya kwe-LED, ukumelana nemozulu elungileyo, ubomi obude.
I-4, isalathisi sonikezelo sombala we-LED siphezulu, umgangatho wesizwe wonikezelo lombala ofunekayo kweli xesha lokuphumla ngu-Ra=60, isalathiso sombala wokukhanya komthombo we-LED siphezulu ngokubanzi kunomthombo wokukhanya wendabuko, kwinqanaba langoku, isalathiso sombala we-LED esisezantsi sinokufikelela kuma-70 ukuya kuma-85. Kwi-Lediant, sinokufikelela kwi-90＋.
Ixesha lokuposa: Sep-11-2023