Ngokomgaqo, emvaIzibane ze-LEDzihlanganiswe kwiimveliso ezigqityiweyo, kufuneka zivavanyelwe ukuguga. Injongo ephambili kukubona ukuba i-LED yonakaliswe ngexesha lenkqubo yokuhlanganisana kunye nokujonga ukuba umbane uzinzile kwindawo yokushisa ephezulu. Enyanisweni, ixesha elifutshane lokuguga alinalo ixabiso lokuvavanya umphumo wokukhanya. Iimvavanyo zokuguga ziguquguqukayo ekusebenzeni kwangempela, okungenakukwazi ukuhlangabezana neemfuno zemigangatho efanelekileyo, kodwa nokuphucula ukusebenza kakuhle kwemveliso. Namhlanje, umenzi wesibane se-LED u-TIANXIANG uya kukubonisa indlela yokwenza ngayo.
Ukuvavanya imigangatho yokuguga yezibane ze-LED, kuyimfuneko ukusebenzisa izixhobo ezimbini zokuvavanya ezinkulu, iibhokisi zokuvavanya amandla kunye neengqungquthela zokuvavanya ukuguga. Uvavanyo lwenziwa phantsi kobushushu obuqhelekileyo, kwaye ixesha lihlala libekwe phakathi kwe-6 kunye ne-12 iiyure ukuqinisekisa ukusebenza kwezibane ze-LED ngamaxesha ahlukeneyo. Ngexesha lenkqubo yovavanyo, nikela ingqalelo kwizalathisi eziphambili ezinje ngobushushu besibane, amandla ombane wokuphuma, amandla ombane, igalelo lombane, igalelo langoku, ukusetyenziswa kwamandla, kunye nokuphuma ngoku. Ngale datha, unokuqonda ngokupheleleyo utshintsho lwezibane ze-LED ngexesha lokuguga.
Ubushushu besibane sesinye sezibonakaliso ezibalulekileyo zokuvavanya ukuguga kwezibane ze-LED. Njengoko ixesha lokusetyenziswa kwezibane ze-LED landa, ubushushu bangaphakathi buqokelela ngokuthe ngcembe, obunokubangela ukunyuka kweqondo lokushisa. Kuvavanyo lokuguga, ukurekhoda utshintsho lweqondo lokushisa kwezibane ngamaxesha ahlukeneyo kunceda ukugweba ukuzinza kwe-thermal yezibane ze-LED. Ukuba iqondo lokushisa likhuphuka ngokungaqhelekanga, kunokwenzeka ukuba ukusebenza kokushisa kwangaphakathi kwesibane se-LED kubi, kubonisa ukuba isantya sokuguga sikhawuleza.
I-voltage ephumayo sisalathisi esiphambili sokulinganisa ukusebenza kwezibane ze-LED. Ngexesha lovavanyo lokuguga, ukujonga ngokuqhubekayo ukuguquguquka kombane ophumayo kunokunceda ukumisela ukuzinza kombane wesibane se-LED. Ukuncipha kwe-voltage ephumayo kunokubonisa ukuba ukusebenza okukhanyayo kwesibane se-LED kunciphile, oku kubonakaliso oluqhelekileyo lwenkqubo yokuguga. Nangona kunjalo, ukuba i-voltage ephumayo iyatshintsha ngokukhawuleza okanye yehla ngokukhawuleza, mhlawumbi isibane se-LED asiphumelelanga kwaye uphando olongezelelweyo luyafuneka.
Isici samandla sisalathisi esibalulekileyo sokulinganisa ukuguqulwa kwamandla okusebenza kakuhle kwezibane ze-LED. Kuvavanyo lokuguga, ngokuthelekisa umlinganiselo wamandla okufakwa kumandla okuvelisa, kunokumiselwa ukuba umbane osebenza kakuhle wesibane se-LED uhlala uzinzile. Ukuncipha kwamandla kungabonisa ukuba ukusebenza kwamandla kwesibane se-LED kuye kwancipha ngexesha lokuguga, into engokwemvelo yenkqubo yokuguga. Nangona kunjalo, ukuba amandla ombane ayancipha ngokungaqhelekanga, mhlawumbi kukho ingxaki kumacandelo angaphakathi kwesibane se-LED, ekufuneka sijongwe ngexesha.
I-voltage yokufaka kunye ne-input current ibaluleke ngokulinganayo kuvavanyo lokuguga. Bangabonakalisa ukuhanjiswa kwangoku kwesibane se-LED phantsi kweemeko ezahlukeneyo zokusebenza. Ngokurekhoda utshintsho kwi-input voltage kunye ne-input current, ukuzinza kokusebenza kwesibane se-LED kunokumiselwa. Ukutshintsha kwe-voltage ye-input okanye ukusabalalisa okungaqhelekanga kwegalelo langoku kungabonisa iingxaki zokusebenza kwezibane ze-LED ngexesha lokuguga.
Ukusetyenziswa kwamandla kunye nokuphuma okwangoku zizibonakaliso eziphambili zokulinganisa ukusebenza kwangempela kwezibane ze-LED. Kuvavanyo lokuguga, ukujonga ukusetyenziswa kwamandla kunye nokuphuma kwangoku kwezibane ze-LED kunokugqiba ukuba ukusebenza kwazo okukhanyayo kuhlala kuzinzile. Ukunyuka kokusetyenziswa kwamandla okanye ukuguquguquka okungaqhelekanga kwimveliso yangoku kungabonisa ukuba isibane se-LED siguga ngokukhawuleza, kwaye ingqalelo kufuneka ihlawulwe kwiinguqu zayo zokusebenza.
Umenzi wesibane se-LEDI-TIANXIANG ikholelwa ukuba ngokuhlalutya ngokubanzi idatha ebonelelwe yibhokisi yokuvavanya amandla kunye ne-rack test yokuguga, ukuqonda okubanzi kokusebenza kwezibane ze-LED ngexesha lokuguga kunokufumaneka. Ukunikela ingqalelo kwizalathisi eziphambili ezifana nobushushu besibane, amandla ombane aphumayo, amandla ombane, amandla ombane, igalelo langoku, ukusetyenziswa kwamandla, kunye nemveliso yangoku kunokunceda ukumisela isantya sokuguga kunye nokuzinza kokusebenza kwezibane ze-LED, ukuze kuthathelwe amanyathelo okulondolozwa okuhambelanayo ukuqinisekisa ukusetyenziswa kwexesha elide kunye nokuthembekileyo kwezibane ze-LED. Ukuba ufuna ukwazi ngakumbi malunga nezibane ze-LED, ncedaQhagamshelana nathi.
Ixesha lokuposa: Apr-10-2025