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1. (WO2018176942) ROTOR USED FOR ELECTRIC MOTOR, ELECTRIC MOTOR AND COMPRESSOR
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Pub. No.: WO/2018/176942 International Application No.: PCT/CN2017/118715
Publication Date: 04.10.2018 International Filing Date: 26.12.2017
IPC:
H02K 1/27 (2006.01)
H ELECTRICITY
02
GENERATION, CONVERSION, OR DISTRIBUTION OF ELECTRIC POWER
K
DYNAMO-ELECTRIC MACHINES
1
Details of the magnetic circuit
06
characterised by the shape, form, or construction
22
Rotating parts of magnetic circuit
27
Rotor cores with permanent magnets
Applicants: ANHUI MEIZHI COMPRESSOR CO., LTD.[CN/CN]; No. 418 Caihong Road, Science City, Hefei High and New Technical Development District Hefei, Anhui 230031, CN
MIDEA GROUP CO., LTD.[CN/CN]; B26-28F, Midea Headquarter Building, No. 6 Midea Avenue, Beijiao, Shunde Foshan, Guangdong 528311, CN
Inventors: XU, Ben; CN
Agent: TSINGYIHUA INTELLECTUAL PROPERTY LLC; Room 301, Trade Building, Zhaolanyuan Tsinghua University, Qinghuayuan Haidian District, Beijing 100084, CN
Priority Data:
201710191555.228.03.2017CN
201720322695.428.03.2017CN
Title (EN) ROTOR USED FOR ELECTRIC MOTOR, ELECTRIC MOTOR AND COMPRESSOR
(FR) ROTOR UTILISÉ POUR MOTEUR ÉLECTRIQUE, MOTEUR ÉLECTRIQUE ET COMPRESSEUR
(ZH) 用于电机的转子、电机及压缩机
Abstract:
(EN) Disclosed are a rotor used for an electric motor, an electric motor and a compressor. The rotor comprises: a rotor core (1), with a shaft hole (11) and four magnet grooves (12) being provided on the rotor core; and four permanent magnets (2), the four permanent magnets being disposed in corresponding magnet grooves, and the permanent magnets comprising a first surface (21) and a second surface (22), wherein a projection on a base face of the first surface comprises a circular arc segment (211), and a projection on a base face of the second surface is formed of multiple linear segments connected in succession, the thickness H of the permanent magnets on a corresponding magnetic pole centre line, the length L projected in the base face of the second surface, and the radius R of the rotor core meeting the following relations: 0.24 ≤ H/R ≤ 0.26 and 1.07 ≤ L/R ≤ 1.11.
(FR) L'invention concerne un rotor utilisé pour un moteur électrique, un moteur électrique et un compresseur. Le rotor comprend: un noyau de rotor (1), un trou d'arbre (11) et quatre rainures d'aimant (12) disposés sur le noyau de rotor; et quatre aimants permanents (2), les quatre aimants permanents étant disposés dans des rainures d'aimant correspondantes, et les aimants permanents comprenant une première surface (21) et une seconde surface (22), une partie saillante formée sur une face de base de la première surface comprenant un segment d'arc circulaire (211), et une partie saillante formée sur une face de base de la deuxième surface est constituée de multiples segments linéaires reliés successivement, l'épaisseur H des aimants permanents sur une ligne centrale de pôle magnétique correspondante, la longueur L projetée dans la face de base de la seconde surface, et le rayon R du noyau de rotor satisfaisant les relations suivantes: 0,24 ≤ H/R ≤ 0,26 et 1,07 ≤ L/R ≤ 1,11.
(ZH) 一种用于电机的转子、电机及压缩机。转子包括:转子铁芯(1),转子铁芯上设有轴孔(11)和四个磁体槽(12);四个永磁体(2),四个永磁体设在对应的磁体槽内,永磁体包括第一表面(21)和第二表面(22),第一表面在基面上的投影包括圆弧段(211),第二表面在基面上的投影由多段直线段依次连接构成,永磁体在对应的磁极中心线上的厚度H、第二表面在基面内投影的长度L和转子铁芯的半径R之间满足如下关系式:0.24≤H/R≤0.26且1.07≤L/R≤1.11。
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: Chinese (ZH)
Filing Language: Chinese (ZH)