ʻO nā paipu hoʻohaʻahaʻa wela multilayer me ke kūpaʻa mechanical kiʻekiʻe a me ka coefficient thermal kiʻekiʻe no ka hoʻopaʻa ʻana a me ka pale ʻana i nā rotors kaʻa brushless, ke kaupaona ʻana i nā ʻano ikaika centrifugal a pau i hoʻohana ʻia ma nā magnet mau loa.ʻAʻohe pilikia o ka haki ʻana a i ʻole ka hōʻino ʻana i nā magnet mau loa i ka wā e hui ai.Loaʻa iā ia ka pōmaikaʻi o kahi paʻa kūpono ma nā kihi o ka rotor.Eia kekahi, ʻo ka fiber aniani i loko o ka lima wela wela ka ikaika mechanical a me ke kūpaʻa wela, a ʻoi aku ka haʻahaʻa o ka wela i hoʻohana ʻia no ka hoʻohaʻahaʻa ʻana i ka wela ma mua o ka Curie point, ʻaʻole ia e hōʻemi i ka flux magnetic o ka magnet.

E hoʻokomo i ka lima wela wela ma luna o ka rotor, aia nā magnets, a emi ka wela (ma ka hoʻohana ʻana i kahi mahana haʻahaʻa haʻahaʻa ma mua o ka lae Curie a pale aku i kekahi pilikia o ka nalowale o ka flux), loaʻa kahi adhesion paʻa i ka rpm kiʻekiʻe.He kū'ē nō hoʻi ia i ka haʻalulu wela ke holo ka kaʻa no nā manawa lōʻihi (a hiki i 180°C).Ua pale ʻia nā poho o Eddy i kēia manawa ke hoʻohālikelike ʻia me nā pūlima rotor metala makamae loa, ka mea e hōʻemi ai i ka pono o ka kaʻa a hiki ke hoʻoulu i ka wela.Ma muli o ka palena o ka mānoanoa ma waena o 0.19-0.35 mm, ʻo ka lima e hōʻoiaʻiʻo i ka maikaʻi loa o ka magnet mau loa a me ka hana kiʻekiʻe o ka magnet, no laila e hōʻoiaʻiʻo i ka hana maikaʻi loa o ka kaʻa ponoʻī.

ʻO nā mea maikaʻi ʻē aʻe i hāʻawi ʻia e ka heat shrink tubing: ʻAʻole like me nā apo kila pipiʻi loa, ua uhi ʻia nā pahu wela wela a pale i nā wēlau o nā mea magneti, hiki nō hoʻi i ka corrosion, a inā haki, hiki ke hoʻopaʻa i ke kaʻa.Ke pale nei i ka ʻoki ʻana i ka wā o ka hui ʻana me ka hoʻohana ʻana i nā apo ʻoʻoleʻa, pili pono ka pahu wela i ka magnet, paʻa i kona ʻano a pale i ka haki ʻana a me ka ʻakaʻaka.Inā hoʻopili ʻia nā magnet ma kahi o ka rotor, e pili ana i ka nui o ke kāpili i hoʻohana ʻia no kēlā me kēia magnet, hiki ke loaʻa kekahi mau pilikia me ke koena o ka rotor, ʻo ia hoʻi ka hoʻokomo ʻana i kekahi ʻōnaehana paʻakikī e kaulike i ka rotor, e hoʻonui ai i ka helu ʻōpala. .

ʻO nā paipu hoʻoheheʻe wela a puni no ka hoʻohālikelike ʻana i ka rotor maʻalahi, e hōʻemi i ka ʻōpala hana, ka nānā ʻana i ke kaupaona ʻana ma ke ʻano he ʻāpana o ke kaʻina hana hiki ke hoʻopau ʻia, e hoʻopau ana i nā kumukūʻai hiki ke kūʻai ʻia, a me ka hoʻopau ʻana i ka pono o nā pili lima me ka lipine epoxy-impregnated. manawa i ka umu, a laila e hoʻomaikaʻi ai i ka huahana a hoʻemi i nā kumukūʻai hana huna.Hiki ke hoʻohana maikaʻi ʻia nā paipu wela me ka epoxy glue i hoʻohana ʻia no ka hoʻopaʻa ʻana i nā magnet, e hōʻoiaʻiʻo ana i ka pale hou aku i ka hiki ʻole o ke kāpili a me ka wehe ʻana o nā magnet, a me nā ʻōpala a i ʻole nā ​​​​mea haumia ʻē aʻe.

i ka hopena

I loko o nā kaʻa e hoʻohana ana i nā apo magnet i hoʻoheheʻe ʻia mai Nd-Fe-B NdFeB magnet me ka hoʻohui ʻana o kahi resin thermosetting (plastic ferrite), pale pū ka lima wela wela i nā magnet mai ka pōʻino ma muli o ka brittleness o ka alloy i hoʻohana ʻia i ka corrosion, pēlā e pale ai i ka ʻino. kaa mai ka paa ana.ʻO ka puʻupuʻu polyester hiki ke hoʻohaʻahaʻa i ka wela e hōʻoiaʻiʻo i ka hoʻoheheʻe wela (Class B), dielectric (4-5 kV) insulation, a hoʻohana ʻia i nā mahana a hiki i 150-155 ° C kiʻekiʻe.E ʻimi wikiwiki a maʻalahi i ka mānoanoa, ka nui a me ke kaumaha o nā magnet mau loa i nā kaʻina hana ʻenehana, hoʻomaʻamaʻa i ka hoʻopili pono ʻana o ka wela wela i nā rotors a me nā magnet, a loaʻa ke kumu kūʻai haʻahaʻa a me ka wehe maʻalahi i ka wā o ka hana hou ʻana o nā magnet mau loa.

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