iyini i-pcb imele

Emhlabeni wobuchwepheshe besimanje, kuneqhawe elingaculwanga ngemuva kwezigcawu, elidlala indima ebalulekile kumagajethi namadivayisi amaningi esiwasebenzisa nsuku zonke. Isifinyezo saso sithi PCB, okusho ukuthi Printed Circuit Board. Nakuba leli gama lingase lingajwayelekile kwabaningi, ukubaluleka kwalo akuqhathaniswe njengoba lingaphakathi kwensiza kagesi. Namuhla, sizoqala uhambo olufundisayo lokuhlola ukuthi iyini i-PCB futhi siveze indima yayo ebalulekile ekulolongeni isimo sethu sobuchwepheshe.

Ayini ama-PCB?

Empeleni, i-PCB iyiphaneli eyisicaba elenziwe ngezinto ezingaqhubeki njenge-fiberglass noma i-epoxy eyinhlanganisela, lapho kubekwa khona ungqimba oluncane lwethusi noma enye insimbi yokuqondisa. Lawa mathrekhi ethusi asebenza njengezindlela ezixhuma izingxenye ze-elekthronikhi ezihlukene zedivayisi, okuhlanganisa ama-resistors, ama-capacitor nama-microchips. Empeleni, i-PCB isebenza njengohlaka lwamathambo olugcina inethiwekhi eyinkimbinkimbi yokuxhunywa kukagesi okuyenza ibe yingxenye ebalulekile yezinto zikagesi zesimanje.

Ukuvela kwe-PCBs

Umqondo we-PCB uhlehlela emuva ekuqaleni kwekhulu lama-20, lapho izinto zikagesi zakhiwa kusetshenziswa izintambo ezisuka lapho ziya ephuzwini, ezibonakale zingasebenzi kahle futhi zivame ukuba namaphutha. Ukufika kwe-PCB kwaguqula inqubo yokukhiqiza, kwanikeza izindlela ezimisiwe nezithembekile zokuxhumanisa izingxenye. Emashumini eminyaka adlule, ubuchwepheshe be-PCB buye benza intuthuko emangalisayo, okwenza kwaba nokwenzeka ukwenza izinto zikagesi zibe zincane futhi zibe namandla kakhulu.

I-PCB: umgogodla wobuchwepheshe

I-PCB isiyingxenye engenakushintshwa yempilo yethu yansuku zonke. Angena cishe kuzo zonke izici zokuphila kwethu, kusukela kuma-smartphones namathebulethi kuya kumathelevishini nezimoto. Ukuhlukahluka kwama-PCB kuvumela ukuthi enzelwe izinjongo ezithile, kuqinisekiswe ukuhlanganiswa okungenamthungo ezinhlobonhlobo zamadivayisi.

Izinzuzo PCBs

Ukunyuka kobuchwepheshe be-PCB kulethe izinzuzo eziningi kwezobuchwepheshe nokukhiqiza:

1. Ukuqina nokusebenza kahle kwezindleko: Ama-PCB avumela ukuhlelwa kwezingxenye eziminyene, ehlisa usayizi wedivayisi nokusebenza kahle. Ngaphezu kwalokho, ukukhiqizwa ngobuningi kwama-PCB kuyabiza ngenxa yokwakheka kwawo okujwayelekile kanye nenqubo yokukhiqiza.

2. Ukuthembeka Nokuqina: Imvelo eqinile ye-PCB iyenza imelane nokushisa, umswakama kanye nengcindezi yemishini, iqinisekisa ubude besikhathi semishini kagesi.

3. Ukusebenza okuthuthukisiwe: Ngenxa yezindlela ezimfushane zokuxhumanisa, i-PCB isiza ukuhamba kahle kwamasignali kagesi, ngaleyo ndlela inciphise ukulahlekelwa kwesignali futhi ithuthukise ukusebenza.

4. Ukuxilonga kalula nokulungisa: Isakhiwo esihlelekile se-PCB senza lula ukuhlonzwa kwephutha kanye nenqubo yokulungisa, okuholela ekushintsheni kwesikhathi ngokushesha kanye nezindleko eziphansi.

Umthelela Wekusasa lama-PCB

Njengoba ubuchwepheshe buqhubeka nokuphusha imingcele, ama-PCB azoqhubeka nokuvela. Ngokufika kwama-PCB aguquguqukayo, singalindela ukuthi izinto zikagesi zihlangane ngaphandle komthungo ekuphileni kwethu kwansuku zonke. Ukwengeza, inqubekelaphambili kubuchwepheshe bokuhlanganisa i-PCB, njengobuchwepheshe be-surface mount, izokhuphula ukusebenza kahle kokukhiqiza futhi iholele kumadivaysi kagesi amancane, anamandla kakhulu.

Sengiphetha, ama-PCB (noma ama-Printed Circuit Boards) akha isixhumanisi esingabonakali sobuchwepheshe besimanje futhi ayisisekelo sezinto eziningi zikagesi. Kusukela ezinsukwini zokuqala ze-point-to-point izintambo kuya enkathini yamanje yama-elekthronikhi acwebezelayo futhi asebenza kahle kakhulu, ama-PCB adlale indima ebalulekile ekulolongeni isimo sethu sobuchwepheshe. Uma sibheka phambili, kuyacaca ukuthi ama-PCB azoqhubeka nokuphusha imingcele yokuqanjwa kabusha, anikeze amandla ubuchwepheshe obuphumelelayo esingakabucabangeli. Ngakho-ke ngokuzayo lapho uthatha i-smartphone yakho noma uvula ikhompuyutha yakho, khumbula iqhawe elingaqashiwe emsebenzini elixhuma amachashazi omhlaba wethu wedijithali.