Kapangidwe kake
1. Maginito okhazikika a DC mota:
Lili ndi mitengo ya stator, ma rotor, maburashi, ma casing, ndi zina zotero.
Mizati ya stator imapangidwa ndi maginito okhazikika (chitsulo cha maginito chokhazikika), chopangidwa ndi ferrite, alnico, neodymium iron boron ndi zipangizo zina. Malinga ndi kapangidwe kake, ikhoza kugawidwa m'mitundu ingapo monga mtundu wa cylindrical ndi mtundu wa matailosi.
Rotor nthawi zambiri imapangidwa ndi mapepala achitsulo a silikoni opangidwa ndi laminated, ndipo waya wopindidwa umakulungidwa pakati pa mipata iwiri ya pakati pa rotor (pali mipiringidzo itatu m'mipata itatu), ndipo zolumikizira zimalumikizidwa motsatana pa mapepala achitsulo a commutator.
Burashi ndi gawo loyendetsa magetsi lomwe limalumikiza magetsi ndi chozungulira cha rotor, ndipo lili ndi makhalidwe awiri a conductivity ndi kukana kuwonongeka. Maburashi a maginito okhazikika amagwiritsa ntchito mapepala achitsulo a amuna kapena akazi okhaokha kapena maburashi achitsulo a graphite, ndi maburashi a graphite a electrochemical.
2. Mota ya DC yopanda burashi:
Imapangidwa ndi rotor yokhazikika ya maginito, stator yozungulira ya pole zambiri, sensor ya malo ndi zina zotero. Mota ya DC yopanda brush imadziwika kuti ndi yopanda brush, ndipo imagwiritsa ntchito zida zosinthira za semiconductor (monga zinthu za Hall) kuti ipange kusintha kwamagetsi, kutanthauza kuti, zida zosinthira zamagetsi zimagwiritsidwa ntchito m'malo mwa zida zolumikizirana ndi maburashi. Ili ndi ubwino wodalirika kwambiri, wopanda spark yosinthira, komanso phokoso lochepa la makina.
Sensa ya malo imasintha mphamvu ya stator winding motsatira dongosolo linalake malinga ndi kusintha kwa malo a rotor (ndiko kuti, imazindikira malo a rotor magnetic pole poyerekeza ndi stator winding, ndipo imapanga chizindikiro chozindikira malo pamalo omwe atsimikiziridwa, chomwe chimakonzedwa ndi signal conversion circuit kenako nkuchotsedwa. Yang'anirani power switch circuit, ndikusintha winding current motsatira logic relationship inayake).
2. Mota ya DC yopanda burashi:
Imapangidwa ndi rotor yokhazikika ya maginito, stator yozungulira ya pole zambiri, sensor ya malo ndi zina zotero. Mota ya DC yopanda brush imadziwika kuti ndi yopanda brush, ndipo imagwiritsa ntchito zida zosinthira za semiconductor (monga zinthu za Hall) kuti ipange kusintha kwamagetsi, kutanthauza kuti, zida zosinthira zamagetsi zimagwiritsidwa ntchito m'malo mwa zida zolumikizirana ndi maburashi. Ili ndi ubwino wodalirika kwambiri, wopanda spark yosinthira, komanso phokoso lochepa la makina.
Sensa ya malo imasintha mphamvu ya stator winding motsatira dongosolo linalake malinga ndi kusintha kwa malo a rotor (ndiko kuti, imazindikira malo a rotor magnetic pole poyerekeza ndi stator winding, ndipo imapanga chizindikiro chozindikira malo pamalo omwe atsimikiziridwa, chomwe chimakonzedwa ndi signal conversion circuit kenako nkuchotsedwa. Yang'anirani power switch circuit, ndikusintha winding current motsatira logic relationship inayake).
3. Mota yothamanga kwambiri yopanda maginito yokhazikika:
Imapangidwa ndi stator core, magnetic steel rotor, sun gear, deceleration clutch, hub shell ndi zina zotero. Sensor ya Hall ikhoza kuyikidwa pa chivundikiro cha mota kuti muyese liwiro.
Kuyerekeza kwa ma mota opukutidwa ndi ma mota opanda maburashi
Kusiyana kwa mfundo yamagetsi pakati pa mota yopukutidwa ndi mota yopanda burashi: Mota yopukutidwa imasinthidwa ndi makina pogwiritsa ntchito burashi ya kaboni ndi commutator. Mota yopanda burashi imasinthidwa ndi makina pogwiritsa ntchito chowongolera kutengera chizindikiro cha induction.
Mfundo yamagetsi ya mota yopukutidwa ndi burashi ndi yosiyana, ndipo kapangidwe kake kamkati nakonso ndi kosiyana. Kwa ma hub motors, njira yotulutsira mphamvu ya mota (kaya yachepetsedwa mphamvu ndi njira yochepetsera magiya) ndi yosiyana, ndipo kapangidwe kake ka makina nakonso ndi kosiyana.
mota ya DC yopanda coreless
mota ya DC yopanda brushless
Nthawi yotumizira: Juni-03-2019