Ngowama-2025, ngaphezulu kwama-68% eengozi zebhetri yombane enamavili amabini zifunyenwe kwiNkqubo yoLawulo lweBhetri (i-BMS) echaphazelekileyo, ngokutsho kwedatha yeKhomishini ye-International Electrotechnical. Le setyhula ibalulekileyo ijonga iiseli ze-lithium amaxesha angama-200 ngomzuzwana, isenza imisebenzi emithathu yokugcina ubomi:
1. I-Voltage Sentinel
• Ukuvalelwa kwe-overcharge: Kunciphisa amandla kwi->4.25V/iseli (umz., 54.6V kwiipakethi ze-48V) kuthintela ukubola kwe-electrolyte
• Uhlangulo lwe-Undervoltage: Inyanzela imo yokulala kwi-<2.8V/iseli (umz., <33.6V kwiinkqubo ze-48V) ukuthintela umonakalo ongenakuguqulwa
2. Ulawulo lwangoku olutshintshatshintshayo
| Imeko yoMngcipheko | Ixesha Lokuphendula le-BMS | Iziphumo Zithintelwe |
|---|---|---|
| Ukunyuka kakhulu kweentaba | Umda wangoku ukuya kwi-15A kwi-50ms | Ukudinwa ngabalawuli |
| Isiganeko se-short-circuit | Ikhefu lesekethe kwimizuzwana eyi-0.02 | Iseli ebalekayo kubushushu bayo |
3. Ulawulo oluBukrelekrele loBushushu
- 65°C: Ukunciphisa amandla kuthintela ukubila kwe-electrolyte
- <-20°C: Ifudumeza iiseli ngaphambi kokuba itshaje ukuze iphephe ukufakwa kwe-lithium plating
Umgaqo wokuHlola kathathu
① Inani le-MOSFET: ≥6 ii-MOSFET ezihambelanayo zilawula ukukhutshwa kwe-30A+
② Ukulinganisela Umbane: >80mA kunciphisa umahluko womthamo weseli
③ I-BMS iyamelana nokungena kwamanzi
Ukuphepha Okubalulekileyo
① Ungaze utshaje iibhodi zeBMS eziveziweyo (ingozi yomlilo iyanda ngama-400%)
② Kuphephe ukudlula imingcele yangoku ("i-mod yocingo lobhedu" ivala lonke ukhuseleko)
"Umahluko weVolthi engaphezulu kwe-0.2V phakathi kweeseli ubonisa ukusilela kwe-BMS okuzayo," ulumkisa uGqr. Emma Richardson, umphandi wokhuseleko lwe-EV kwi-UL Solutions. Ukuhlolwa kwevolthi yenyanga nganye ngee-multimeters kunokwandisa ubomi bepakethi ngokuphindwe kathathu.
Ixesha lokuthumela: Agasti-16-2025
