Le Red Isibane LED Amaso D Isibane Bead Driver Ukusilela Unobangela Ukusilela

Umqhubi wesibane se-LED yisekethe ebonelela ngezibane zesibane se-LED kunye neemeko eziqhelekileyo (i-package voltage, yangoku kunye nezinye iimeko). Yimeko yokuba amaso isibane se-LED ayilunganga njengomgangatho; Ukwabelana ngesondo kunye nokuzinza; indima ebalulekileyo yesibane se-LED ye-bead drive kukuguqula igalelo lomthombo wombane we-AC kwi-voltage ephumayo kunye nomthombo wangoku wokutshintsha kombane wamaso wesibane se-LED VF. Kukho iinkcukacha ezininzi kwisicelo sangempela se-LED yesibane se-bead drives ukuba sinikele ingqalelo. Iingxaki ezininzi kufuneka zicaciswe kwaye zilungelelaniswe kwangethuba ukuze kuthintelwe ilahleko kunye nomonakalo ongekho mfuneko yokulahleka! Isiphumo somqhubi wesibane se-LED ekuqaleni sisizathu sempembelelo yethontsi: 1. Musa ukuqwalasela utshintsho lwe-VF yesibane sesibane, okukhokelela ekusebenzeni okuphantsi kwesibane, kunye nomthwalo wesibane we-LED ongazinzanga, oqulunqwe ngamaso amaninzi wesibane se-LED ngokuhambelanayo. = Vf*ns, apho i-NS ibonisa ukuba inani lamaso esibane se-LED lidibanisa inani. I-VF yesibane sesibane se-LED sitshintsha ngokutshintsha kwamaqondo obushushu. Kwimeko yangoku rhoqo, i-VF iyancipha kwiqondo lokushisa eliphezulu, kwaye i-VF iba phezulu kwiqondo lokushisa eliphantsi. Ngoko ke, i-voltage yomthwalo wesibane sesibane se-LED kwiqondo lokushisa eliphezulu lihambelana ne-VOL, kunye ne-voltage yesibane sesibane se-LED kwiqondo lokushisa eliphantsi lihambelana ne-VOH. Xa ukhetha i-LED drive, uluhlu lwamandla ombane ophuma kumqhubi kufuneka lube kwi-VOL VOH. Ukuba umqhubi wesibane we-LED okhethiweyo ungaphantsi kwe-VOH, eyona nto idala amandla ombane anokubangela ukuba amandla aphezulu wesibane kubushushu obuphantsi afikelele kumandla afunekayo. Mhlawumbi umqhubi ukhupha umda wezinto, isiganeko asizinzile, iintsimbi zesibane ziya kukhanya, njl. Nangona kunjalo, iindleko ezibanzi kunye noqwalaselo olusebenzayo, akuyomfuneko ukufuna uluhlu lwamandla ombane we-ultra-wide we-LED abaqhubi besibane: kuba i-voltage yomqhubi ikuluhlu oluthile kuphela, ukusebenza kakuhle komqhubi yeyona nto iphezulu kakhulu. Emva kokugqithisa uluhlu, ukusebenza kakuhle kunye namandla (PF) kuya kuhla. Ngelo xesha, uluhlu lwe-voltage yesiphumo somqhubi wesibane sesibane se-LED sibanzi kakhulu, okuya kubangela ukuba iindleko zinyuke, ukusebenza kakuhle akunakulungiswa. Okwesibini, umcimbi wokungazi izibane zesibane se-LED ubonakaliswe ngesicelo somthengi sokuba isibane sokufaka isibane silungiswe, kwaye i-5% echanekileyo impazamo inokulungiswa kuphela kwisibane ngasinye ukulungelelanisa imveliso yangoku ukufezekisa amandla achaziweyo. Ngenxa yomahluko kwiqondo lokushisa lokusingqongileyo kunye nokwahluka kwexesha lokukhanyisa, amandla esibane ngasinye asaza kuthelekiswa nomahluko. Abathengi benza isicelo esinjalo, nangona kukho ukuqwalaselwa kokukhuthazwa kweemarike kunye neshishini. Nangona kunjalo, iimpawu ze-volt kunye nokhuseleko lwezibane zesibane se-LED zigqiba ukuba umqhubi wesibane sesibane se-LED ngumthombo oqhubekayo wangoku, kwaye umbane wayo ophumayo utshintsha kunye ne-LED yesibane somthwalo we-voltage VO. Utshintsho lwe-VO. Ngexesha elifanayo, ukusebenza kakuhle komqhubi wesibane se-LED kuya kwanda emva kokulingana kwe-thermal. Ngaphantsi kwemeko yokungabikho kwamandla okuvelisa ahlukeneyo, xa kuthelekiswa nexesha lokuqalisa, amandla okufakwayo aya kuhlala. Ngoko ke, xa umfaki-sicelo somqhubi wesibane sesibane se-LED kufuneka aqale azi iimpawu zesibane se-LED xa equlunqa iimfuno, ukuthintela ezinye iimpawu ezingahambelani neempawu zezinto, kunye nokuthintela izikhombisi ezidlulayo kwiimfuno zokwenyani, ukukhusela umgangatho. umgangatho ogqithisileyo, thintela umgangatho ogqithisileyo kunye nenkcitho yeendleko. Okwesithathu, ngaphandle kokuqwalasela ubungakanani bebhalansi yamandla kunye nemfuno, amandla aqhelekileyo omqhubi wesibane se-LED yidatha elinganisa idatha phantsi kwemeko yendawo elinganisiweyo kunye ne-voltage elinganisiweyo. Ukuqwalasela ukuba abathengi abahlukeneyo baya kuba nezicelo ezahlukeneyo, uninzi lwababoneleli bomqhubi wesibane se-LED baya kubonelela ngejika lokunciphisa amandla kwiinkcukacha zabo zemveliso (eqhelekileyo kunye nomthwalo we-VS we-ambient ye-curve yokunciphisa ubushushu kunye nomthwalo we-VS igalelo lokunciphisa i-voltage ijika). 4. Kuvavanyo, umqhubi wesibane se-LED uthenge ezininzi iimpawu zesibane se-LED, kodwa zonke iisampuli zilahlekile ngexesha lovavanyo. Kamva, emva kwenkcazo ye-site, kwafunyaniswa ukuba umthengi wamkela isixhobo soxinzelelo lokuzidibanisa ukuze anike amandla umqhubi we-LED ngokuthe ngqo ukuyivavanya. Emva kokuba kubizwe amandla, umlawuli ngokuthe ngcembe wanyusa ukusuka kwi-0VAC ukuya. Olo msebenzi wovavanyo unokuqalisa ngokulula kwaye uphathe umqhubi wesibane sesibane se-LED xa i-voltage encinci iqaliswa kwaye iqhutywa. Le meko iya kubangela ukuba igalelo langoku libe kude kwixabiso elilinganisiweyo. , Ezinje ngeefusi, iibhulorho zokulungisa, i-thermistor, njl. ngenxa yokugqithisa kwangoku okanye ukufudumeza, okubangela umphumo womqhubi. Uvavanyo oluchanekileyo kukulungelelanisa isilawuli soxinzelelo kwixesha lombane lomqhubi wesibane sesibane se-LED, kwaye emva koko udibanise kwi-drive ye-drive. Ewe kunjalo, uyilo lophuculo lobugcisa lunokunqanda ingxaki yelahleko ebangelwa kukungaqondi kakuhle kolu vavanyo: ukuseta i-voltage yokuqala yesekethe elinganiselweyo kunye nesekethe yokhuseleko lwe-input arrears kwi-terminal input drive. Xa igalelo lingafikeleli kwi-voltage yokuqala ebekwe ngumqhubi, umqhubi akaphutha; xa i-voltage yegalelo iyancitshiswa kwindawo yokukhusela igalelo, umqhubi ungena kwindawo yokukhusela. Ngoko ke, nangexesha lenkqubo yokuvavanya umthengi, amanyathelo okusebenza kwesixhobo soxinzelelo esizihambelayo asamkelwa ukuba aqhube isiphumo sokuzikhusela ngaphandle kwesiphumo saso. Nangona kunjalo, umthengi kufuneka azi ukuba imveliso yomqhubi wesibane se-LED esithengiweyo sinalo mphumo wokukhusela ngaphambi kokuvavanya (ukuqwalasela indawo yesicelo sangempela somqhubi wesibane se-LED, abaninzi abaqhubi besibane se-LED ngoku abanalo mphumo wokukhusela)). V. Umthwalo ohlukeneyo, iziphumo zoVavanyo olwahlukileyo Umqhubi wesibane se-LED kunye novavanyo lokukhanya kwe-LED, umphumo uyinto eqhelekileyo, xa uvavanyo lomthwalo we-elektroniki luvavanywa, umphumo unokuba yinto engavamile. Nasiphi na isizathu sale nto simi ngolu hlobo lulandelayo: (1) Uluhlu lwemveliso yedrive ye-drive okanye amandla omthwalo wokulayishwa kombane womlayishi wombane. (Ngokukodwa, kwimodi ye-CV, amandla okuvavanya akufanele abe ngaphezu kwe-70% yamandla aphezulu onyaka womthwalo, ngaphandle koko umthwalo unokuba ngaphezu kwamandla xa ulayisha. ) (2) Iimpawu zomlayishi wombane osetyenzisiweyo azifanelekanga ukulinganisa ukusasazwa rhoqo, kwaye inqanawa ye-voltage gear jump jump ivela, eyenza umqhubi angabi yinto eqhelekileyo okanye elayishiwe. (3) Ngenxa yokuba igalelo lomlayishi we-elektroniki liya kuba ne-capacitance ngaphakathi kwigalelo, uvavanyo lulingana nomthamo we-drive ngokuhambelana kwi-drive, enokubangela ukuba isampuli yangoku yomqhubi. Ngenxa yokuba uyilo lomqhubi wesibane sesibane se-LED kukufanelana neempawu zezibane ze-LED, ipateni yovavanyo ekufutshane kwizicelo zangempela kunye nezokwenyani kufuneka zisetyenziswe njengomthwalo onamaso wesibane se-LED, kwaye imitha yangoku kunye nemitha yombane kufuneka ivavanywe ukuvavanya. . 6. Ukupholisa umqhubi Xa umqhubi efakwe kwindawo engekho umoya, kufuneka uzame ukuqhagamshelana nendlu yomqhubi kunye nesibane sesibane. Ukuba imeko ivumela, sebenzisa iglue eshushu okanye i-sticker pads thermal on the contact surface of the shell and shell to improve the heat dissipation function of the driver, ukwenzela ukuba, ngaloo ndlela, Qinisekisa ubomi bomqhubi kunye nokuthembeka. Isixhenxe, umgca wesigaba awulunganga. Zonke izicelo zobunjineli zangaphandle zizo zonke izigaba ezi-3 kunye nenkqubo yomgca wesine. Ukuthatha umgangatho wesizwe njengomzekelo, i-voltage phakathi komgca wesigaba ngasinye kunye nomgca we-zero ngu-220VAC, kunye nombane phakathi komgca wesigaba kunye nomgca wesigaba ngu-380VAC. Ukuba umsebenzi wokwakha udibanise igalelo lomqhubi kwimigca yesigaba sesibini, emva kombane-on, i-voltage yegalelo yomqhubi wesibane se-LED idlula umgangatho kwaye ibangele ukuba umkhiqizo ulahlekelwe ukusebenza kakuhle. Kucetywayo ukuba kwisebe elifanayo lokusabalalisa amandla, umtshintshi okanye i-breaker circuit kufuneka iphulwe kunye. Musa ukubeka i-fuse yokusabalalisa amandla kumgca we-zero, kwaye uthintele ukudibanisa kakubi kumgca. 8. Uluhlu oluqiqileyo lokuguquguquka kwegridi yamandla. Xa inkxaso yegridi yamandla e-transformer inde kakhulu, xa kukho izixhobo zamandla zexesha elide kwisebe, xa ukuqala kunye nokuyeka unyaka-ngonyaka isixhobo siya kuguquguquka ngamandla, kwaye nokuba kubangele igridi yamandla. ukusilela uzinzile. Xa i-voltage yegridi yangoko nangoko idlula i-310VAC, umqhubi unokonakala (nangona izixhobo ezinobungqina bombane zingasebenzi, kuba isixhobo sokukhusela umbane kukujongana neninzi ye-US-level pulse peaks, kunye nokuguquguquka kwegridi yamandla kunokufikelela kuninzi lwe-ms, okanye amakhulu ems). Ngoko ke, ingqalelo ekhethekileyo kufuneka ihlawulwe xa kukho umatshini wamandla wexesha elide kwinkxaso yokukhanyisa isitalato. Olona hlolo lungcono loluhlu lokuguquguquka kwegridi phantsi kolona hlolo lungcono, okanye unikezelo lwamandla ombane wesiguquli sombane. Esithoba, imigca isoloko incamathele kwizibane ezifanayo kwindlela yesebe enye, nto leyo ebangela izibane kakhulu kwisebe elinye, okubangela ukuba umthwalo ugqithise kumbane othile wesigaba esithile kunye namandla angalinganiyo kwisigaba ngasinye, nto leyo ekhokelela kwimigca ethe rhoqo. yomgca. 10. Le meko ilandelayo eyenzeka kule meko ilandelayo iya kubangela umonakalo wabaqhubi besibane se-LED: (1) I-AC ifunyenwe kwi-terminal ye-DC ye-drive ye-drive, okubangelwa umphumo womqhubi; Umqhubi uyasebenza; (3) i-terminal ephumayo eqhubekayo yangoku ifunyenwe kunye nomgca wokulungelelanisa ukukhanya, okukhokelela kwisiphumo somqhubi; (4) umgca wesigaba uqhagamshelwe kumgca osezantsi, obangela ukukhutshwa komqhubi ngaphandle kokuphuma kunye nokutshaja kwegobolondo;