Mu 2025, ibirenga 68% by'impanuka za bateri z'amashanyarazi zifite amapine abiri byagaragaye ko zatewe n'uburyo bwo gucunga bateri (BMS) bwangiritse, nk'uko bigaragazwa n'amakuru ya Komisiyo Mpuzamahanga y'Ubuhanga mu by'Ikoranabuhanga. Iyi circuitry y'ingenzi igenzura uturemangingo twa lithium inshuro 200 ku isegonda, ikora imirimo itatu yo kubungabunga ubuzima:
1. Umuyoboro w'amashanyarazi
• Gukoresha imbaraga nyinshi: Bigabanya ingufu kuri >4.25V/uturemangingo (urugero, 54.6V ku dupaki twa 48V) bibuza electrolyte kubora
• Ubutabazi bwo Kudakoresha Undervoltage: Butuma uburyo bwo gusinzira bugera kuri <2.8V/cell (urugero, <33.6V kuri sisitemu za 48V) budatuma habaho kwangirika gukomeye
2. Igenzura ry'Umuyoboro Uhinduka
| Ingero z'ibyago | Igihe cyo Gusubiza BMS | Ingaruka zarakumiriwe |
|---|---|---|
| Kuzamuka imisozi birenze urugero | Umupaka w'ubu ni 15A muri 50ms | Gucika intege kw'abagenzuzi |
| Igikorwa cy'amasaha magufi | Ikiruhuko cy'uruziga mu masegonda 0.02 | Ubushyuhe bw'uturemangingo bugenda bushira |
3. Ubugenzuzi bw'ubushyuhe bw'ubwenge
- 65°C: Kugabanya ingufu birinda kubira kw'amashanyarazi
- <-20°C: Ishyushya utwuma mbere yo gusharija kugira ngo yirinde ko litiyumu ishyirwamo
Ihame ryo kugenzura gatatu
① Umubare wa MOSFET: ≥6 MOSFET zifatanye zikora 30A+ discharge
② Kugereranya Umuvuduko w'amashanyarazi: >80mA bigabanya itandukaniro ry'ubushobozi bw'uturemangingo
③ BMS yihanganira kwinjira mu mazi
Kwirinda bikomeye
① Ntukigere ushyira umuriro ku mbaho za BMS zigaragara (inkongi y'umuriro yiyongeraho 400%)
② Irinde kunyura ku mipaka y'amashanyarazi ("uburyo bw'umuringa" butuma uburinzi bwose butagira icyo bugeraho)
"Itandukaniro ry'amashanyarazi arenga 0.2V hagati y'uturemangingo rigaragaza ko BMS igiye gutsindwa," Dr. Emma Richardson, umushakashatsi ku mutekano wa EV muri UL Solutions, abibutsa. Gusuzuma amashanyarazi buri kwezi hakoreshejwe multimeters bishobora kongera igihe cyo kubaho cya paki inshuro eshatu.
Igihe cyo kohereza: Kanama-16-2025
