Iintambo zokulinganisa ze-BMS: Indlela iintambo ezincinci ezijonga ngayo iiseli zebhetri ezinkulu ngokuchanekileyo

Kwiinkqubo zolawulo lweebhetri, umbuzo oqhelekileyo uphakama: iingcingo ezincinci zokuthatha iisampulu zingayisingatha njani indlela yokubeka esweni i-voltage kwiiseli ezinkulu ngaphandle kweengxaki? Impendulo ikwindlela esisiseko yoyilo lweteknoloji yeNkqubo yoLawulo lweeBhetri (i-BMS). Iingcingo zokuthatha iisampulu zinikezelwe ekufumaneni i-voltage, hayi ekudluliseleni umbane, kufana nokusebenzisa i-multimeter ukulinganisa i-voltage yebhetri ngokuqhagamshelana nee-terminals.

Kwipakethi yebhetri ye-20-series, i-sampling harness idla ngokuba neengcingo ezingama-21 (ezingama-20 ezilungileyo + enye engalunganga eqhelekileyo). Isibini ngasinye esikufutshane silinganisa i-voltage yeseli enye. Le nkqubo ayisiyondlela yokulinganisa esebenzayo kodwa yitshaneli yokudlulisa isignali engasebenziyo. Umgaqo ophambili ubandakanya i-impedance ephezulu yokufaka, etsala umbane omncinci—ngesiqhelo ii-microamperes (μA)—ongenamsebenzi xa kuthelekiswa nomthamo weseli. Ngokutsho koMthetho ka-Ohm, nge-currents ye-μA-level kunye nokumelana kwentambo kwe-ohms ezimbalwa, ukuhla kwe-voltage yi-microvolts (μV) nje kuphela, ukuqinisekisa ukuchaneka ngaphandle kokuchaphazela ukusebenza.

Nangona kunjalo, ukufakelwa ngokufanelekileyo kubalulekile. Ukufakelwa kweentambo ngendlela engalunganga—njengokunxibelelana ngasemva okanye okunqamlezileyo—kunokubangela iimpazamo ze-voltage, nto leyo ekhokelela ekugwetyweni kakubi kwe-BMS (umz., izinto ezibangela i-over/under-voltage). Amatyala anzima anokubeka iingcingo kwi-voltage ephezulu, nto leyo ebangela ukutshisa kakhulu, ukunyibilika, okanye umonakalo wesekethe ye-BMS. Soloko uqinisekisa ulandelelwano lwe-wiring ngaphambi kokudibanisa i-BMS ukuthintela le mingcipheko. Ke ngoko, iingcingo ezincinci zanele ukutsalwa kwe-voltage ngenxa yeemfuno zamandla aphantsi, kodwa ukufakelwa ngokuchanekileyo kuqinisekisa ukuthembeka.

ukujonga i-voltage

Ixesha leposi: Septemba-30-2025

QHAGAMSHELANA NO-DALY

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