A Battery Management System (BMS) imagwira ntchito yofunikira pakuwonetsetsa kuti mabatire a lithiamu-ion akugwira ntchito motetezeka komanso moyenera, kuphatikiza LFP ndi mabatire a ternary lithium (NCM/NCA). Cholinga chake chachikulu ndikuwunika ndikuwongolera magawo osiyanasiyana a batri, monga magetsi, kutentha, ndi zamakono, kuwonetsetsa kuti batire imagwira ntchito moyenera. BMS imatetezanso batri kuti lisapitirire, kutulutsidwa, kapena kugwira ntchito kunja kwa kutentha kwake komwe kuli koyenera. Mu mapaketi a batri okhala ndi ma cell angapo (zingwe za batri), BMS imayang'anira kusanja kwa ma cell. BMS ikalephera, batire imasiyidwa pachiwopsezo, ndipo zotsatira zake zimakhala zowopsa.
1. Kuchulukitsitsa kapena Kutulutsa Kwambiri
Chimodzi mwazinthu zovuta kwambiri za BMS ndikuletsa batire kuti lisachuluke kapena kuthamangitsidwa. Kuchulukirachulukira ndikowopsa kwambiri pamabatire amphamvu kwambiri ngati ternary lithium (NCM/NCA) chifukwa amatha kuthawa chifukwa cha kutentha. Izi zimachitika pamene mphamvu ya batri idutsa malire otetezeka, kutulutsa kutentha kwakukulu, komwe kungayambitse kuphulika kapena moto. Kutulutsa mopitirira muyeso, kumbali ina, kungayambitse kuwonongeka kosatha kwa maselo, makamaka m'mabatire a LFP, omwe amatha kutaya mphamvu ndikuwonetsa kusachita bwino pambuyo potulutsa kwambiri. Mumitundu yonse iwiri, kulephera kwa BMS kuwongolera mphamvu yamagetsi panthawi yolipiritsa ndi kutulutsa kumatha kubweretsa kuwonongeka kosasinthika kwa paketi ya batri.
2. Kutentha Kwambiri ndi Kuthamanga kwa Thermal
Mabatire a Ternary lithiamu (NCM/NCA) amakhudzidwa kwambiri ndi kutentha kwambiri, kuposa mabatire aLFP, omwe amadziwika kuti ndi okhazikika bwino. Komabe, mitundu yonse iwiri imafuna kusamala kwambiri kutentha. BMS yogwira ntchito imayang'anira kutentha kwa batri, kuwonetsetsa kuti imakhala pamalo otetezeka. Ngati BMS ilephera, kutenthedwa kungathe kuchitika, kumayambitsa njira yowopsa yotchedwa thermal runaway. Mu paketi ya batri yopangidwa ndi ma cell ambiri (zingwe za batri), kuthawa kwamafuta kumatha kufalikira mwachangu kuchokera ku selo imodzi kupita ku ina, zomwe zimabweretsa kulephera koopsa. Pamagetsi okwera kwambiri ngati magalimoto amagetsi, chiwopsezochi chimakulitsidwa chifukwa kuchuluka kwa mphamvu ndi kuchuluka kwa ma cell ndizokwera kwambiri, zomwe zimapangitsa kuti pakhale zotsatira zoyipa.
3. Kusalinganika Pakati pa Maselo a Battery
M'mapaketi a batri okhala ndi ma cell ambiri, makamaka omwe ali ndi ma voliyumu apamwamba kwambiri monga magalimoto amagetsi, kusanja voteji pakati pa ma cell ndikofunikira. BMS ili ndi udindo wowonetsetsa kuti ma cell onse mu paketi ali bwino. BMS ikalephera, ma cell ena akhoza kuchulukitsidwa pamene ena amakhalabe opanda ndalama. M'makina omwe ali ndi zingwe zambiri za batri, kusalinganika kumeneku sikungochepetsa mphamvu zonse komanso kumayambitsa ngozi. Ma cell ochulukitsidwa makamaka amakhala pachiwopsezo cha kutentha kwambiri, zomwe zingawapangitse kulephera mowopsa.
4. Kutayika kwa Kuwunika ndi Kudula Deta
M'makina ovuta a batri, monga omwe amagwiritsidwa ntchito posungira mphamvu kapena magalimoto amagetsi, BMS imayang'anitsitsa momwe mabatire amagwirira ntchito, kudula deta pamagalimoto, magetsi, kutentha, ndi thanzi la munthu aliyense. Izi ndizofunikira pakumvetsetsa thanzi la mapaketi a batri. BMS ikalephera, kuwunika kofunikiraku kumayima, ndikupangitsa kuti zikhale zosatheka kutsata momwe ma cell omwe ali mu paketi akugwirira ntchito. Kwa makina a batri okwera kwambiri okhala ndi ma cell ambiri, kulephera kuyang'anira thanzi la ma cell kungayambitse kulephera kosayembekezereka, monga kutayika kwadzidzidzi kwamagetsi kapena zochitika zamafuta.
5. Kulephera kwa Mphamvu kapena Kuchepa Mwachangu
Kulephera kwa BMS kungayambitse kuchepa kwachangu kapena kulephera kwathunthu kwa mphamvu. Popanda kasamalidwe koyenera kaVoteji, kutentha, ndi kulinganiza kwa maselo, dongosolo likhoza kutsekedwa kuti lisawonongeke. Mu ntchito kumenezingwe za batri zamphamvu kwambiriakukhudzidwa, monga magalimoto amagetsi kapena kusungirako mphamvu zamafakitale, izi zingayambitse kutayika kwadzidzidzi kwa mphamvu, kuyika zoopsa zazikulu zachitetezo. Mwachitsanzo, aternary lithiamuBattery pack ikhoza kuzimitsa mosayembekezereka pamene galimoto yamagetsi ikuyenda, zomwe zimapangitsa kuti galimoto ikhale yoopsa.
Nthawi yotumiza: Sep-11-2024
