Isicelo se-MCPCB siphucula ukusebenza kunye nokuthembeka kwe-UV LED

Kwintsimi ye-UV LEDs, ukusetyenziswa kweBhodi yeSekethe ye-Metal Core Printed Circuit Board (MCPCB) idlala indima ebalulekileyo ekuphuculeni ukusebenza, ukulawulwa kwe-thermal kunye nokuthembeka ngokubanzi kweemveliso.

Ukuchithwa kobushushu ngokufanelekileyo

I-MCPCB igqwesileyo ekudambiseni ubushushu, iqinisekisa ukusebenza ngokugqibeleleyo kunye nobomi obude bezibane ze-UV ze-LED. Izinto zetsimbi ze-MCPCB zenziwe nge-aluminiyam okanye ubhedu kunye ne-thermal conductivity ephezulu. Le conductivity ikhethekileyo ye-thermal ivumela ubushushu obuveliswayo ukuba buphele ngokukhawuleza, buthintele ukwakhiwa kobushushu kunye nokuqinisekisa ukuba izixhobo zisebenza ngaphakathi kwinqanaba eliphezulu lobushushu.

Ukwandiswa kwe-Thermal Conductivity

I-thermal conductivity ye-MCPCB imalunga namaxesha ali-10 e-FR4PCB. I-MCPCB inceda ukufezekisa ukusabalalisa ubushushu obufanayo kunye nokunciphisa umngcipheko weendawo ezishushu kunye noxinzelelo lwe-thermal kwiIzibane ze-UV ze-LED.Ngenxa yoko, izibane zigcina ukusebenza kwazo okugqwesileyo kunye nokuthembeka okuphezulu nakwixesha elide lokusebenza.

Ukuphucula ukuthembeka

I-MCPCB inikezela ngamandla omatshini aphezulu kunye nokuzinza kwe-thermal. Ngokomzekelo, i-coefficient of thermal expansion (CTE) ye-MCPCB inokuhambelana ne-UV LEDs, ukunciphisa umngcipheko wokungaphumeleli komatshini ngenxa yokungahambi kakuhle kwe-thermal. 

Ukugqunywa koMbane

I-MCPCB ibonelela ngokufakelwa kombane phakathi kombindi wentsimbi kunye neengqimba zesekethe ukuqinisekisa ukusebenza okukhuselekileyo nokuthembekileyo kweenkqubo ze-UV LED. Umaleko we-dielectric ngokuqhelekileyo wenziwa ngezinto ezifana ne-epoxy resin okanye i-thermal conductive fluid (TCF), enika amandla ombane aphezulu kunye nokumelana nokugquma. Oku kufakwa kombane kunciphisa umngcipheko weesekethe ezimfutshane okanye ingxolo yombane, ukukhusela inkqubo kumonakalo onokubakho.

UPhuculo lokuSebenza

Ngokudibanisa i-MCPCB, abavelisi banokwandisa ukusebenza kwaboIzixhobo ze-UV ze-LED. Ukutshatyalaliswa kobushushu kunye ne-thermal conductivity ye-MCPCB ivumela i-UV LED ukuba isebenze ngokufanelekileyo. Lo msebenzi uqinisekisa imveliso ye-UV engaguqukiyo, okwenza i-MCPCB ilungele usetyenziso oluhlukeneyo lwe-UV.