A matsayina na mai ɗaukar zafi da isar da iska, ƙoshin zafin wutar lantarki LED ya kunshi PCB yana taka muhimmiyar rawa a watsawar zafi na LED. DPC yumbu PCB tare da kyakkyawan aikin sa da rage farashin sannu a hankali, a cikin kayan kwantena na lantarki da yawa suna nuna gasa mai ƙarfi, shine ikon haɓaka fakitin LED na gaba. Tare da haɓaka kimiyya da fasaha da fitowar sabon fasahar shirye -shiryen, babban kayan aikin yumbu mai ɗorewa azaman sabon kayan PCB na kayan lantarki yana da fa’ida mai fa’ida sosai.

Fasaha marufi na LED galibi an haɓaka shi kuma ya samo asali ne akan fasahar tattara kayan aiki mai hankali, amma yana da babban fifiko. Gabaɗaya, an rufe ainihin kayan aiki mai hankali a cikin jikin fakiti. Babban aikin kunshin shine don kare ainihin da cikakken haɗin haɗin lantarki. Kuma fakitin LED shine don kammala siginar wutar lantarki mai fitarwa, kare aikin al’ada na bututun bututu, fitarwa: aikin hasken da ake iya gani, duka sigogi na lantarki, da sigogi na ƙira da buƙatun fasaha, ba za su iya zama kawai fakitin na’urar don LED ba.

Tare da ci gaba da haɓaka ikon shigar da guntu na LED, babban adadin zafin da ake samu ta hanyar watsawa mai ƙarfi yana gabatar da buƙatu mafi girma don kayan marufi na LED. A cikin tashar watsa wutar zafi ta LED, kunshin PCB shine babbar hanyar haɗin haɗin tashar watsawa ta ciki da waje, yana da ayyukan tashar watsa zafi, haɗin kewaya da goyan bayan jiki na guntu. Don samfuran LED masu ƙarfi, PCBS na kunshe suna buƙatar babban rufi na lantarki, babban ƙarfin ɗigon ɗumbin dumbin dumbin dumama da ya dace da guntu.

Maganin da ake da shi shine a haɗa guntu kai tsaye zuwa radiator na jan ƙarfe, amma radiator na jan ƙarfe shi kansa tashar watsawa. Dangane da tushen haske, ba a samun rarrabuwa na thermoelectric. Daga qarshe, kunshin hasken yana kunshe a kan allon PCB, kuma har yanzu ana buƙatar rufin rufi don cimma rarrabuwa na thermoelectric. A wannan lokacin, kodayake zafi bai mai da hankali kan guntu ba, yana mai da hankali ne kusa da rufin rufi ƙarƙashin tushen haske. Yayin da iko ke ƙaruwa, matsalolin zafi suna tasowa. DPC yumbu substrate na iya magance wannan matsalar. Zai iya gyara guntu kai tsaye zuwa yumbu kuma ya samar da rami mai haɗa kai tsaye a cikin yumbu don samar da tashar tashar mai zaman kanta mai zaman kanta. Ceramics kansu sune insulators, wanda ke watsa zafi. Wannan rabuwa ce ta thermoelectric a matakin tushen haske.

A cikin ‘yan shekarun nan, tallafin SMD LED galibi yana amfani da kayan aikin filastik injiniyan da aka gyara, yana amfani da reshen PPA (polyphthalamide) azaman albarkatun ƙasa, da ƙara matattara masu gyara don haɓaka wasu kaddarorin jiki da na sunadarai na albarkatun PPA. Don haka, kayan PPA sun fi dacewa da gyaran allura da amfani da brake LED na SMD. PPA filastik thermal conductivity yana da rauni ƙwarai, watsawar zafinsa galibi ta hanyar firam ɗin gubar ƙarfe, ƙarfin watsa zafi yana iyakance, kawai ya dace da fakitin wutar lantarki mara ƙarfi.

Don warware matsalar rarrabuwar wutar lantarki a matakin madogara mai haske, yadudduka yumɓu yakamata su kasance da halaye masu zuwa: na farko, dole ne ya kasance yana da ƙima mai zafi, umarni da yawa na girma fiye da resin; Na biyu, dole ne ya kasance yana da ƙarfin rufi; Na uku, da’irar tana da babban ƙuduri kuma ana iya haɗa ta ko jujjuya tsaye tare da guntu ba tare da matsaloli ba. Na huɗu shine madaidaicin shimfidar wuri, babu rata yayin walda. Na biyar, yumbu da karafa yakamata su kasance da babban manne; Na shida shine haɗin haɗin kai tsaye ta cikin rami, don haka yana ba da damar shigarwar SMD don jagorantar da’irar daga baya zuwa gaba. Iyakar abin da ya dace da waɗannan sharuɗɗan shine substrate yumbu na DPC.

Yumburan filastik tare da ingantaccen yanayin zafi na iya inganta ingantaccen watsawar zafi, shine mafi kyawun samfurin don haɓaka babban iko, ƙaramin girman LED. PCB na yumbu yana da sabon kayan motsawar zafi da sabon tsarin ciki, wanda ke gyara lahani na PCB na aluminium kuma yana inganta tasirin PCB gaba ɗaya. Daga cikin kayan yumbu a halin yanzu ana amfani da su don sanyaya PCBS, BeO yana da haɓaka mai ɗorewar zafi, amma faɗin faɗin layinsa ya sha bamban da na silicon, kuma gubarsa yayin ƙira yana iyakance aikace -aikacen sa. BN yana da kyakkyawan aikin gabaɗaya, amma ana amfani dashi azaman PCB.

Kayan ba shi da fa’idodi na musamman kuma yana da tsada. A halin yanzu ana nazari da ingantawa; Silicon carbide yana da babban ƙarfi da haɓaka mai ɗorewar zafi, amma juriyarsa da juriya mai ƙarfi yana da ƙarancin ƙarfi, kuma haɗin bayan ƙarfe ƙarfe ba tabbatacce ba ne, wanda zai haifar da canje -canje a cikin yanayin ɗumbin zafi da madaidaicin madaidaici bai dace ba don amfani azaman rufe kayan PCB.