Kodi munayamba mwadzifunsapo kutiBMSKodi mungathe kuzindikira mphamvu ya batri ya lithiamu? Kodi pali multimeter yomangidwa mkati mwake?
Choyamba, pali mitundu iwiri ya Battery Management Systems (BMS): mabaibulo anzeru ndi a hardware. BMS yanzeru yokha ndi yomwe imatha kutumiza zambiri zomwe zilipo, pomwe ma hardware alibe.
BMS nthawi zambiri imakhala ndi dera lowongolera (IC), ma switch a MOSFET, ma circuits owunikira ma current, ndi ma circuits owunikira kutentha. Gawo lofunika kwambiri la mtundu wanzeru ndi IC yowongolera, yomwe imagwira ntchito ngati ubongo wa dongosolo loteteza. Imayang'anira kuyang'anira ma current a batri nthawi yeniyeni. Polumikizana ndi dera lowunikira ma current, IC yowongolera imatha kupeza molondola zambiri zokhudza ma current a batri. Pamene magetsi apitirira malire a chitetezo omwe adakhazikitsidwa kale, IC yowongolera imapanga chigamulo mwachangu ndikuyambitsa zochita zodzitetezera.
Kotero, kodi mphamvu yamagetsi imapezeka bwanji?
Kawirikawiri, sensa ya Hall effect imagwiritsidwa ntchito poyang'anira mphamvu yamagetsi. Sensa iyi imagwiritsa ntchito ubale womwe ulipo pakati pa mphamvu yamagetsi ndi mphamvu yamagetsi. Mphamvu yamagetsi ikadutsa, mphamvu yamagetsi imapangidwa mozungulira sensa. Sensa imatulutsa chizindikiro chamagetsi chofanana kutengera mphamvu ya mphamvu yamagetsi. IC yowongolera ikalandira chizindikiro chamagetsi ichi, imawerengera kukula kwa mphamvu yamagetsi pogwiritsa ntchito ma algorithms amkati.
Ngati mphamvu yamagetsi ipitirira mtengo wokhazikika wa chitetezo, monga mphamvu yamagetsi yopitirira muyeso kapena yafupikitsa, IC yowongolera idzalamulira mwachangu ma switch a MOSFET kuti adule njira yamagetsi, kuteteza batri ndi dongosolo lonse lamagetsi.
Kuphatikiza apo, BMS ingagwiritse ntchito zotsutsa zina ndi zigawo zina kuti zithandize kuwunika mphamvu yamagetsi. Poyesa kutsika kwa mphamvu yamagetsi pa resistor, kukula kwa mphamvu yamagetsi kumatha kuwerengedwa.
Mapangidwe a ma circuit ovuta komanso olondola awa komanso njira zowongolera zonse cholinga chake ndi kuyang'anira mphamvu ya batri pomwe akuteteza ku zochitika zopitilira muyeso. Amagwira ntchito yofunika kwambiri pakuwonetsetsa kuti mabatire a lithiamu akugwiritsidwa ntchito bwino, kukulitsa moyo wa batri, ndikuwonjezera kudalirika kwa dongosolo lonse la batri, makamaka mu mapulogalamu a LiFePO4 ndi machitidwe ena a BMS.
Nthawi yotumizira: Okutobala-19-2024
