Ezinhlelweni zamabhethri e-lithium, ukunemba kokulinganisa kwe-SOC (State of Charge) kuyisilinganiso esibalulekile sokusebenza kwe-Battery Management System (BMS). Ngaphansi kwezimo zokushisa ezihlukahlukayo, lo msebenzi uba nzima nakakhulu. Namuhla, singena emqondweni wobuchwepheshe ocashile kodwa obalulekile—ugesi ongekho manzi, okuthinta kakhulu ukunemba kokulinganisa kwe-SOC.
Kuyini i-Zero-Drift Current?
Ugesi we-Zero-drift ubhekisela kusignali yamanje engamanga ekhiqizwa kusekethe ye-amplifier uma kukhonaokwamanje kokufaka okungu-zero, kodwa ngenxa yezici ezifanaizinguquko zokushisa noma ukungazinzile kokunikezwa kwamandla, indawo yokusebenza engaguquki ye-amplifier iyashintsha. Lokhu kushintsha kuyakhuliswa futhi kubangela ukuthi umphumela uphambuke enanini lawo elihlosiwe elingu-zero.
Ukukuchaza kalula, cabanga ngesikali sendlu yokugezela yedijithali esibonisaIsisindo esingu-5 kg ngaphambi kokuba umuntu anyathele kusoLeso sisindo "sesipoki" silingana nomsinga ogeleza u-zero-drift—isignali engekho ngempela.
Kungani Kuyinkinga Yamabhethri E-Lithium?
I-SOC kumabhethri e-lithium ivame ukubalwa kusetshenziswaukubalwa kwe-coulomb, okuhlanganisa amandla amanje ngokuhamba kwesikhathi.
Uma ugesi we-zero-drift ukhonaokuhle nokuqhubekayo, kungaseukukhulisa i-SOC ngamanga, okukhohlisa uhlelo ukuthi lucabange ukuthi ibhethri lishajwe kakhulu kunalokho eliyikho ngempela—mhlawumbe linqamule ukushaja ngaphambi kwesikhathi. Ngokuphambene nalokho,ukuzulazula okungekuhlekungaholela ku-i-SOC ephansi, okubangela ukuvikelwa kokukhishwa kusenesikhathi.
Ngokuhamba kwesikhathi, la maphutha aqongelelekayo anciphisa ukuthembeka nokuphepha kohlelo lwebhethri.
Nakuba umsinga we-zero-drift ungenakuqedwa ngokuphelele, ungancishiswa ngempumelelo ngokuhlanganiswa kwezindlela:
- Ukulungiswa kwehadiwe: Sebenzisa ama-op-amps kanye nezingxenye ezisebenzisa ukunemba okuphezulu, ezisheshayo futhi ezisheshayo;
- Isinxephezelo se-algorithm: Lungisa ngokuguquguqukayo ukuze uzulazule usebenzisa idatha yesikhathi sangempela njengokushisa, i-voltage, kanye nogesi;
- Ukuphathwa kokushisa: Lungiselela ukwakheka kanye nokushabalaliswa kokushisa ukuze unciphise ukungalingani kokushisa;
- Ukuzwa okunembile kakhulu: Thuthukisa ukunemba kokutholwa kwamapharamitha okhiye (i-voltage yeseli, i-voltage yephakethe, izinga lokushisa, yamanje) ukuze kuncishiswe amaphutha okulinganisa.
Ekuphetheni, ukunemba kuyo yonke i-microamp kubalulekile. Ukubhekana nomsinga we-zero-drift kuyisinyathelo esibalulekile ekwakheni izinhlelo zokuphatha ibhethri ezihlakaniphile nezithembekile.
Isikhathi sokuthunyelwe: Juni-20-2025
