Chifukwa chiyani BMS ndiyofunikira kwambiri mu mabatire a Lithium-ion?

Mabatire a Lithium iron phosphate (LiFePO4) amabwera mu phukusi limodzi lokhala ndi mphamvu zambiri komanso mtengo wake. Chemistry iyi ya lithiamu batire ndiye gawo lalikulu la magwiridwe ake apamwamba. Ngakhale mabatire onse odziwika bwino a lithiamu-ion amaphatikizanso gawo lina lofunikira limodzi ndi maselo a batri: dongosolo loyang'anira batire (BMS) lopangidwa mwaluso. Dongosolo lokonzekera bwino la batire limatha kuteteza ndikuwunika batire ya lithiamu-ion kuti ikwaniritse bwino ntchito, kukulitsa moyo wake wonse, ndikuwonetsetsa kuti ikugwira ntchito motetezeka pazinthu zosiyanasiyana.

Kuteteza Voltage
Maselo a LiFePO4 amagwira ntchito motetezeka pamagetsi osiyanasiyana, kuyambira 2.0V mpaka 4.2V. Ma chemistries ena a lithiamu amabweretsa ma cell omwe amakhudzidwa kwambiri ndi mphamvu yamagetsi, koma maselo a LiFePO4 amalekerera. Komabe, kuchuluka kwamagetsi kwanthawi yayitali pakuchapira kumatha kupangitsa kuti lithiamu yachitsulo ikhale pa anode ya batri yomwe imayipitsa magwiridwe antchito. Komanso, zinthu za cathode zimatha kukhala oxidize, kukhala osakhazikika, ndikutulutsa mpweya woipa womwe ungayambitse kukakamiza kwa selo. Polinovel BMS imaletsa selo lililonse ndi batire yokha kuti ikhale yothamanga kwambiri ya 3.9V ndi 15.6V.

Pansi pa Voltage Protection
Kutsika kwamagetsi panthawi yotulutsa batire kumadetsanso nkhawa popeza kutulutsa selo la LiFePO4 pansi pa 2.0V kungayambitse kuwonongeka kwa zida za elekitirodi. BMS imagwira ntchito ngati yolephera kuletsa batire kuchokera kudera ngati selo iliyonse itsika pansi pa 2.0V. Mabatire a lithiamu a Polinovel ali ndi mphamvu yocheperako yocheperako, yomwe ndi 2.5V yama cell, ndi 10V ya batire.

Chitetezo Chachikulu
Batire iliyonse ili ndi mphamvu yokwanira yodziwika kuti igwire ntchito motetezeka. Ngati katundu yemwe amakokera mphamvu yamagetsi ku batteri, atha kutenthetsa batire. Ngakhale kuli kofunika kugwiritsa ntchito batri m'njira yoti musunge mawonekedwe omwe alipo panopa pansi pa chiwerengero chachikulu, BMS imagwiranso ntchito ngati chotsalira chotsutsana ndi zomwe zikuchitika ndipo imadula batire kuchokera kudera.

Chitetezo Chachidule Chozungulira
Kuzungulira kwakanthawi kwa batri ndi mtundu wowopsa kwambiri wazomwe zikuchitika pano. Nthawi zambiri zimachitika pamene maelekitirodi olumikizidwa mwangozi ndi chidutswa chachitsulo. BMS iyenera kuzindikira mwachangu mawonekedwe afupiafupi asanayambe kujambula kwadzidzidzi komanso kwakukulu komweko kutenthetsa batire ndikuwononga kwambiri.

Kutentha Kwambiri
Mabatire a Lithium iron phosphate amagwira ntchito bwino komanso mosatekeseka pa kutentha mpaka 60oC kapena kupitirira apo. Koma pa kutentha kwapamwamba ndi kusungirako, monga momwe zilili ndi mabatire onse, zipangizo za electrode zidzayamba kuwonongeka. BMS ya batire ya lithiamu imagwiritsa ntchito ma thermistors ophatikizidwa kuti ayang'anire kutentha panthawi yogwira ntchito, ndipo imachotsa batire kudera pa kutentha kwapadera.

Chidule
Mabatire a Lithium iron phosphate amapangidwa kuchokera kuzinthu zambiri kuposa ma cell omwe amalumikizidwa palimodzi. Amaphatikizanso njira yoyendetsera batri (BMS) yomwe nthawi zambiri sichiwoneka kwa wogwiritsa ntchito kumapeto, kuonetsetsa kuti selo iliyonse mu batri imakhalabe m'malire otetezeka. Ku JB BATTERY, mabatire athu onse a LiFePO4 amaphatikizapo BMS yamkati kapena yakunja kuti ateteze, kulamulira, ndi kuyang'anira batri kuti atsimikizire chitetezo ndi kukulitsa moyo wonse pazochitika zonse zogwirira ntchito.

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