Relay vs. MOS no ka BMS o kēia manawa: ʻO wai ka mea ʻoi aku ka maikaʻi no nā kaʻa uila?

Ke kohohe Pūnaehana Hoʻokele Baterya (BMS) no nā noi kiʻekiʻe o kēia manawae like me nā forklifts uila a me nā kaʻa huakaʻi, ʻo ka manaʻo maʻamau he mea nui nā relays no nā au ma luna o 200A ma muli o ko lākou ʻae ʻana i kēia manawa a me ke kūpaʻa uila. Eia nō naʻe, ʻo ka holomua o ka ʻenehana MOS ke hoʻohālikelike nei i kēia manaʻo.

Ma ke ʻano o ka uhi ʻana o ka noi, kākoʻo nā ʻōnaehana BMS i hoʻokumu ʻia e MOS i kēia manawa mai 200A a hiki i 800A, e kūpono ana iā lākou no nā hiʻohiʻona kiʻekiʻe o kēia manawa. Hoʻopili kēia i nā kaʻa kaʻa uila, nā kaʻa kolepa, nā kaʻa āpau āpau, a me nā noi moana, kahi e pono ai ka hoʻokele pololei ʻana o nā kaʻa hoʻomaka a me nā hoʻololi ukana ikaika. Pēlā nō, i nā mīkini logistic e like me nā forklifts a me nā keʻena hoʻoili kelepona, hāʻawi nā hoʻonā MOS i ka hoʻohui kiʻekiʻe a me nā manawa pane wikiwiki.
ʻO ka hana, ʻo nā ʻōnaehana relay e pili ana i ka hui paʻakikī me nā mea ʻē aʻe e like me nā transformers o kēia manawa a me nā kumu mana o waho, e koi ana i nā wili ʻoihana a me ke kūʻai ʻana. Hoʻonui kēia i ka pilikia o nā pilikia soldering virtual, e alakaʻi ana i nā hemahema e like me ka pau ʻana o ka mana a i ʻole ka wela i ka manawa. ʻO ka ʻokoʻa, hōʻike nā papahana MOS i nā hoʻolālā i hoʻohui ʻia e maʻalahi i ka hoʻonohonoho ʻana a me ka mālama ʻana. No ka laʻana, pono ka hoʻopaʻa ʻana i ka relay i ka mana o ke kaʻina e pale aku i ka pōʻino o nā mea, ʻoiai ʻo MOS e ʻae i ka ʻoki pololei me ka liʻiliʻi o ka hapa hapa. ʻO nā kumukūʻai mālama no MOS he 68-75% haʻahaʻa i kēlā me kēia makahiki ma muli o ka liʻiliʻi o nā ʻāpana a me ka hoʻoponopono wikiwiki.
BMS kiʻekiʻe o kēia manawa
hoʻolele BMS
Hōʻike ka hōʻike kumukūʻai ʻoiai ʻoi aku ka liʻiliʻi o nā relay i ka wā mua, ʻoi aku ka haʻahaʻa o ke kumukūʻai ola o MOS. Pono nā ʻōnaehana relay i nā ʻāpana ʻē aʻe (e laʻa, nā kaola wela), ʻoi aku ka nui o nā koina hana no ka hoʻopau ʻana, a hoʻopau i ka ≥5W o ka ikehu mau, ʻoiai ʻo MOS e hoʻopau i ka ≤1W. ʻOi aku ka wikiwiki o ka pau ʻana o nā pilina relay, pono 3-4 mau manawa hou i ka mālama ʻana i kēlā me kēia makahiki.
Ma ka hana, ʻoi aku ka lohi o nā relays (10-20ms) a hiki ke hoʻoulu i ka mana "pahu" i ka wā e hoʻololi wikiwiki ai e like me ka hāpai ʻana i ka forklift a i ʻole ka haʻalulu koke ʻana, e hoʻonui ana i nā pilikia e like me ka fluctuations voltage a i ʻole nā ​​​​hewa sensor. Ma ka ʻokoʻa, pane ʻo MOS ma 1-3ms, hāʻawi i ka hāʻawi ʻana i ka mana maʻalahi a me ke ola lōʻihi me ka ʻole o ka hoʻopili kino.

I ka hōʻuluʻulu manaʻo, hiki i nā ʻōnaehana relay ke kūpono i nā hiʻohiʻona maʻalahi o kēia manawa (<200A), akā no nā noi kiʻekiʻe, hāʻawi nā hoʻonā BMS i hoʻokumu ʻia e MOS i nā pono i ka maʻalahi o ka hoʻohana ʻana, ka maikaʻi o ke kumukūʻai, a me ka paʻa. Hoʻokumu pinepine ʻia ka hilinaʻi o ka ʻoihana i nā relay i nā ʻike kahiko; me ka ʻenehana o MOS, ʻo ia ka manawa e loiloi ai ma muli o nā pono maoli ma mua o ka kuʻuna.


Ka manawa hoʻouna: Sep-28-2025

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