Xa kuyilwa okanye kwandiswa iinkqubo ezisebenzisa ibhetri, umbuzo oqhelekileyo uphakama: Ngaba iipakethi ezimbini zebhetri ezine-voltage efanayo zinokudityaniswa ngokulandelelana? Impendulo emfutshane yileEwe, kodwa kukho imfuneko ebalulekileyo:amandla okumelana ne-voltage yesekethe yokukhuselakufuneka ihlolwe ngononophelo. Ngezantsi, sichaza iinkcukacha zobugcisa kunye namanyathelo okukhusela ukuqinisekisa ukusebenza okukhuselekileyo nokuthembekileyo.
Ukuqonda Imida: Ukhuseleko Ukunyamezelana kweVolthi yeSekethe
Iipakethi zebhetri yeLithium zihlala zixhotyiswe ngeBhodi yeSekethe yoKhuseleko (i-PCB) ukuthintela ukutshaja kakhulu, ukukhupha ngaphezulu, kunye neesekethe ezimfutshane. Ipharamitha ephambili yale PCB yii-voltage imelana novavanyo lwe-MOSFETs zayo(iiswitshi ze-elektroniki ezilawula ukuhamba kombane).
Umzekelo wemeko:
Thatha iipakethi ezimbini zebhetri zeLiFePO4 ezineeseli ezi-4 njengomzekelo. Ipakethi nganye inevolthi epheleleyo yokutshaja eyi-14.6V (3.65V ngeseli nganye). Ukuba iqhagamshelwe ngokulandelelana, ivolthi yazo edibeneyo iba29.2VI-PCB eqhelekileyo yokukhusela ibhetri ye-12V idla ngokuyilwa ngeeMOSFET ezilinganisiweyo35–40VKule meko, i-voltage iyonke (29.2V) iwela ngaphakathi koluhlu olukhuselekileyo, okuvumela iibhetri ukuba zisebenze ngokufanelekileyo ngokulandelelana.
Umngcipheko Wokugqithisa Imida:
Nangona kunjalo, ukuba udibanisa iipakethe ezine ezinjalo ngokulandelelana, i-voltage iyonke iya kudlula i-58.4V—ngaphezulu kakhulu kokunyamezelana kwe-35–40V kwee-PCB eziqhelekileyo. Oku kudala ingozi efihlakeleyo:
Isayensi Ebangela Umngcipheko
Xa iibhetri ziqhagamshelwe ngokulandelelana, ii-voltage zazo ziyanda, kodwa iisekethe zokukhusela zisebenza ngokuzimeleyo. Phantsi kweemeko eziqhelekileyo, i-voltage edibeneyo inika amandla umthwalo (umz., isixhobo se-48V) ngaphandle kweengxaki. Nangona kunjalo, ukubaibhetri enye ivuselela ukhuseleko(umz., ngenxa yokukhupha i-extra-discharge okanye i-overcurrent), ii-MOSFET zayo ziya kuyisusa loo paki kwisekethe.
Kule ndawo, i-voltage epheleleyo yeebhetri eziseleyo kolu luhlu isetyenziswa kuzo zonke ii-MOSFET ezingaxhunyiweyo. Umzekelo, kwiseti yeepakethi ezine, i-PCB engaxhunyiweyo iya kujongana phantse58.4V—idlula umlinganiselo wayo we-35–40V. IiMOSFET zisenokungaphumeleli ngenxaukwaphuka kwe-voltage, ikhubaza isekethe yokukhusela ngokusisigxina kwaye ishiya ibhetri isengozini kwiingozi ezizayo.
Izisombululo zoQhagamshelo oluKhuselekileyo lweSeries
Ukuze uphephe ezi ngozi, landela le migaqo:
1.Jonga iinkcukacha zoMvelisi:
Soloko uqinisekisa ukuba i-PCB yokukhusela ibhetri yakho ilinganiswe kwii-series applications. Ezinye ii-PCB zenzelwe ngokucacileyo ukusingatha ii-voltage eziphezulu kwii-multi-pack configurations.
2.IiPCB zeVoltage eziphezulu ezenziwe ngokwezifiso:
Kwiiprojekthi ezifuna iibhetri ezininzi ezilandelelanayo (umz., indawo yokugcina ilanga okanye iinkqubo ze-EV), khetha iisekethe zokukhusela ezineeMOSFET ze-high-voltage ezenzelwe wena. Ezi zinokulungiswa ukuze zikwazi ukumelana ne-voltage iyonke yokuseta uthotho lwakho.
3.Uyilo oluLungelelanisiweyo:
Qinisekisa ukuba zonke iibhetri ezikwichungechunge ziyahambelana ngomthamo, ubudala, kunye nempilo ukuze kuncitshiswe umngcipheko wokungasebenzi kakuhle kweendlela zokukhusela.
Iingcinga Zokugqibela
Nangona ukudibanisa iibhetri ze-voltage efanayo kuluhlu kunokwenzeka ngokwetekhnoloji, umngeni wokwenene usekuqinisekiseni ukubaisekethe yokhuseleko inokusingatha uxinzelelo lwevolthi eqokelelweyoNgokubeka phambili iinkcukacha zecandelo kunye noyilo olusebenzayo, ungaziphucula ngokukhuselekileyo iinkqubo zakho zebhetri ukuze zilungele usetyenziso olusebenzisa amandla aphezulu e-voltage.
Apha eDALY, sinikezelaizisombululo zePCB ezinokwenziwa ngokwezifisongeeMOSFET ezine-voltage ephezulu ukuhlangabezana neemfuno eziphambili zonxibelelwano lwechungechunge. Nxibelelana neqela lethu ukuze uyile inkqubo yamandla ekhuselekileyo nethembekileyo ngakumbi kwiiprojekthi zakho!
Ixesha lokuthumela: Meyi-22-2025
