Funso lofala limabuka: kodi BMS ya batri ya lithiamu-ion imayambitsa chitetezo cha overcharge, ndipo njira yoyenera yochiritsira ndi iti?
Chitetezo cha mphamvu yowonjezereka ya mabatire a lithiamu-ion chimayamba pamene chilichonse mwa zinthu ziwiri zakwaniritsidwa. Choyamba, selo limodzi limafika pa mphamvu yake yowonjezereka. Kachiwiri, mphamvu yonse ya batire imakwaniritsa malire owonjezereka a mphamvu yowonjezereka. Mwachitsanzo, maselo a lead-acid ali ndi mphamvu yowonjezereka ya 3.65V, kotero BMS nthawi zambiri imayika mphamvu yowonjezera ya selo limodzi kukhala 3.75V, ndi chitetezo chonse cha mphamvu yowonjezereka chomwe chimawerengedwa ngati 3.7V chochulukitsidwa ndi chiwerengero cha maselo. Pa mabatire atatu a lithiamu, mphamvu yonse yowonjezereka ndi 4.2V pa selo iliyonse, kotero chitetezo cha mphamvu yowonjezera ya selo limodzi la BMS chimayikidwa pa 4.25V, ndipo chitetezo chonse cha mphamvu yowonjezereka ndi 4.2V kuchulukitsa chiwerengero cha maselo.
Funso lomwe limafunsidwa kawirikawiri pakati pa ogwiritsa ntchito: Kodi kusiya batire ya EV yoyatsidwa usiku wonse (kuyambira pakati pausiku mpaka tsiku lotsatira) kumaiwononga pakapita nthawi? Yankho limadalira momwe zinthu zilili. Ngati batire ndi chojambulira zikugwirizana ndi wopanga zida zoyambirira (OEM), palibe chifukwa chodera nkhawa - BMS imapereka chitetezo chodalirika. Nthawi zambiri, mphamvu yoteteza mphamvu ya BMS imakwera kuposa mphamvu yotulutsa mphamvu ya chojambulira. Maselo akamasunga kukhazikika bwino (monga mabatire atsopano), chitetezo cha mphamvu yowonjezereka sichidzayambitsidwa pambuyo pochaja mokwanira. Pamene batire ikukalamba, kukhazikika kwa maselo kumachepa, ndipo BMS imayamba kupereka chitetezo.
Chodziwika bwino n'chakuti, pali kusiyana kwa magetsi pakati pa mphamvu ya BMS yowonjezerera mphamvu ndi mphamvu yobwezeretsa mphamvu. Mphamvu yamagetsi yosungidwa iyi imaletsa kuzungulira koopsa: kuyatsa chitetezo → kutsika kwa mphamvu yamagetsi → kutulutsidwa kwa chitetezo → kubwezeretsanso mphamvu → kutetezanso mphamvu, zomwe zimathandiza kukulitsa moyo wa batri. Kuti mukhale otetezeka komanso okhalitsa, njira yabwino kwambiri ndikuyiyika pachaja nthawi iliyonse yomwe mukufuna ndikuchotsa choyikiracho batri ikadzaza mphamvu.
Nthawi yotumizira: Disembala-11-2025
