WO2015196604A1 - Rotor de moteur et moteur à carter en plastique utilisant ce dernier - Google Patents

Rotor de moteur et moteur à carter en plastique utilisant ce dernier Download PDF

Info

Publication number
WO2015196604A1
WO2015196604A1 PCT/CN2014/087353 CN2014087353W WO2015196604A1 WO 2015196604 A1 WO2015196604 A1 WO 2015196604A1 CN 2014087353 W CN2014087353 W CN 2014087353W WO 2015196604 A1 WO2015196604 A1 WO 2015196604A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
rotor core
convex portion
ring
wall surface
Prior art date
Application number
PCT/CN2014/087353
Other languages
English (en)
Chinese (zh)
Inventor
金建伟
Original Assignee
中山大洋电机股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中山大洋电机股份有限公司 filed Critical 中山大洋电机股份有限公司
Publication of WO2015196604A1 publication Critical patent/WO2015196604A1/fr

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278—Surface mounted magnets; Inset magnets
    • H02K1/2781—Magnets shaped to vary the mechanical air gap between the magnets and the stator

Definitions

  • the utility model relates to a motor rotor and a plastic sealing motor thereof.
  • the existing motor damping rotor comprises an inner rotor core and an outer rotor core, and the outer rotor core sleeve is outside the inner rotor core and forms a gap between the outer rotor core and the inner rotor core, and the inner rotor core is outside a plurality of inner convex portions are protruded from the wall surface, and the inner wall surface of the outer rotor core protrudes from the plurality of outer convex portions, and the inner convex portion and the outer convex portion are oppositely arranged or spaced apart from each other, and are disposed between the outer rotor core and the inner rotor core
  • the rotor core is detached or broken, which seriously affects the normal operation of the motor, and the replacement of the rotor will increase the cost; 2) the insulator is easily misaligned with the inner rotor core or the outer rotor core, resulting in poor control of the rotor concentricity, affecting the rotor Operating efficiency.
  • the utility model aims to provide a motor rotor and a motor thereof, which has the advantages of simple structure, large structural strength, good concentricity control and shock absorption effect, high reliability, simple structure of the motor, large structural strength and concentricity. Degree control and shock absorption are good.
  • An electric machine rotor comprising an inner rotor core, an outer rotor core, a plurality of permanent magnets and an insulator
  • the inner rotor core comprises an inner ring and a plurality of convex portions extending circumferentially from the outer side wall of the inner ring
  • the rotor core comprises an outer ring and a plurality of inner protrusions extending circumferentially from the inner side wall of the outer ring
  • the outer ring sleeve is outside the inner ring and forms a cavity between the outer ring and the inner ring
  • the outer convex portions are arranged at intervals in the circumferential direction of the cavity
  • the plurality of permanent magnets are circumferentially spaced apart from the outer wall surface of the outer rotor core
  • the insulator is nested inside the cavity and wrapped around the outer convex portion and the inner convex portion
  • the utility model is characterized in that: a first gap is formed between two adjacent
  • the distance between the outer end surface of the outer convex portion and the inner wall surface of the outer ring is between 0.8 mm and 1.2 mm, and the distance between the outer end surface of the inner convex portion and the outer wall surface of the inner ring is between 0.8 mm and 1.2 mm.
  • the insulator is a shock absorbing rubber.
  • the above-mentioned outer convex portion includes a first end portion and a first root portion connected between the first end portion and the inner annular outer wall surface, the first end portion having a width larger than a width of the first root portion, the inner convex portion A second end portion and a second root portion connected between the second end portion and the inner wall surface of the outer annular ring, the second end portion having a width greater than a width of the second root portion.
  • the number of the outer convex portions and the inner convex portions described above is four.
  • the axial height of the outer rotor core described above is greater than the axial height of the inner rotor core, and the insulator is wrapped around the outer end surfaces of the outer rotor core and the inner rotor core.
  • the outer wall surface of the outer ring described above protrudes circumferentially from a plurality of bosses, and the permanent magnets are mounted on the outer wall surface of the outer ring between the adjacent two bosses by glue.
  • the permanent magnet described above has an inner arc surface and an outer arc surface.
  • the inner arc surface is centered on the center of the outer rotor core, and the outer arc surface is centered at a point deviated from the center of the outer rotor core.
  • a plastic-sealed motor includes a rotating shaft, a rotor assembly, a plastic-sealed stator and an end cover.
  • the rotor assembly is mounted on the rotating shaft, and the plastic-sealed stator is nested outside the rotor assembly.
  • the plastic-sealed stator includes a stator core, an end insulation, a coil winding, and a plastic-clad outer casing.
  • the end insulation is mounted on the end face of the stator core, the coil winding is wound around the end insulation, the plastic case is wrapped around the stator core, the end insulation and the coil winding, the end cover is mounted at the end of the plastic case, and the shaft is supported at The bearing on both ends of the cover is characterized in that the rotor assembly is the structure described in any one of claims 1 to 7.
  • the motor has a simple structure, so that the insulator nested between the adjacent two outer convex portions and the inner convex portion is not easy to rotate or break, the structural strength of the rotor is improved, the shock absorption effect is good, and the reliability is high;
  • the distance between the outer end surface of the outer convex portion and the inner wall surface of the outer ring is in the range of 0.8 mm to 1.2 mm.
  • the distance between the outer end surface of the convex portion and the outer wall surface of the inner ring is between 0.8 mm and 1.2 mm, which effectively ensures the connection strength between the inner rotor core and the outer rotor core, and has high reliability;
  • the outer convex portion includes a first end portion and a first root portion connected between the first end portion and the inner annular outer wall surface, the width of the first end portion being greater than the width of the first root portion, and the inner convex portion including the second end portion And a second root portion connected between the second end portion and the inner wall surface of the outer ring, the width of the second end portion being greater than the width of the second root portion, forming a trapezoid between the adjacent two outer convex portions and the inner convex portion.
  • the insulator is nested inside the cavity and wrapped around the outer convex portion and the inner convex portion, thereby effectively improving the structural strength of the rotor, and the concentricity control and shock absorption effect of the rotor are good, and the reliability is high;
  • the number of the outer convex portion and the inner convex portion are four, and the arrangement is reasonable, so that the inner rotor core and the outer rotor core are evenly stressed, and the shock absorbing effect of the rotor is improved;
  • the axial height of the outer rotor core is larger than the axial height of the inner rotor core, and the insulator is wrapped around the outer end surfaces of the outer rotor core and the inner rotor core, the structure is simple, the insulator is not easy to be detached or broken, and the structural strength of the rotor is improved. ;
  • the motor has a simple structure, large structural strength, good concentricity control and shock absorption effect.
  • Figure 1 is a perspective view of the shock absorbing rotor of the present invention
  • Figure 2 is an exploded view of the shock absorbing rotor of the present invention
  • Figure 3 is a front view of the shock absorbing rotor of the present invention.
  • Figure 4 is a cross-sectional view taken along line A-A of Figure 3;
  • Figure 5 is a plan view of the shock absorbing rotor of the present invention.
  • Figure 6 is a cross-sectional view taken along line B-B of Figure 5;
  • Figure 7 is a perspective view of the motor of the present invention.
  • Figure 8 is a plan view of the motor of the present invention.
  • Figure 9 is a plan view of the motor of the present invention.
  • Figure 10 is a cross-sectional view taken along line C-C of Figure 9;
  • Embodiment 1 As shown in FIG. 1 to FIG. 6 , the utility model relates to an electric machine rotor, which comprises an inner rotor core 1 , an outer rotor core 2 , a plurality of permanent magnets 3 and an insulator 4 , and the inner rotor core 1 includes an inner ring 11 and a plurality of outer protrusions 12 projecting circumferentially from an outer side wall of the inner ring 11, the outer rotor core 2 including an outer ring 21 and a plurality of inner protrusions extending circumferentially from the inner side wall of the outer ring 21.
  • the outer ring 21 is sleeved outside the inner ring 11 and forms a cavity 10 between the outer ring 21 and the inner ring 11, and the inner convex portion 22 and the outer convex portion 12 are alternately arranged in the circumferential direction of the cavity 10.
  • the outer protrusion 12 includes a first end portion 121 and a first root portion 122 connected between the first end portion 121 and an outer wall surface of the inner ring portion 11.
  • the width of the first end portion 121 is greater than the width of the first root portion 122.
  • the inner convex portion 22 includes a second end portion 221 and a second root portion 222 connected between the second end portion 221 and the inner wall surface of the outer circular ring 21, and the width of the second end portion 221 is greater than the width of the second root portion 222.
  • the number of the outer convex portion 12 and the inner convex portion 22 is four.
  • the axial height H1 of the outer rotor core 2 is larger than the axial height H2 of the inner rotor core 1, and the insulator 4 is wrapped around the outer end faces of the outer rotor core 2 and the inner rotor core 1.
  • the distance between the outer end surface of the outer convex portion 12 and the inner wall surface of the outer ring 21 is in the range of 0.8 mm to 1.2 mm, and the distance between the outer end surface of the inner convex portion 22 and the outer wall surface of the inner ring 11 is in the range of 0.8 mm to 1.2 mm.
  • a plurality of bosses 211 are circumferentially projected on the outer wall surface of the outer ring 21, and the permanent magnets 3 are attached to the outer wall surface of the outer ring 21 between the adjacent two bosses 211 by glue.
  • the permanent magnet 3 has an inner arc surface and an outer arc surface.
  • the inner arc surface is centered on the center O of the outer rotor core 2, and the outer arc surface is centered on a point A which is offset from the center O of the outer rotor core 2 by a certain distance.
  • the insulator is made of a shock absorbing rubber or other insulating material such as plastic.
  • Embodiment 2 As shown in FIG. 1 to FIG. 10, the utility model relates to a plastic-sealed motor, comprising a rotating shaft 5, a rotor assembly 6, a plastic-sealed stator 7 and an end cover 8.
  • the rotor assembly 6 is mounted on the rotating shaft 5, and the stator 7 is molded.
  • the molded stator 7 Nested outside the rotor assembly 6, the molded stator 7 includes a stator core 71, an end insulation 72, and a coil winding 73.
  • a molded case 74 the end insulation 72 is mounted on the end face of the stator core 71, and the coil winding 73 is wound around the end insulation 72, which is wrapped around the stator core 71, the end insulation 72 and the coil winding 73.
  • the end cap 8 is mounted at the end of the plastic casing 74, and the rotating shaft 5 is supported on the bearings of the end caps 8, the rotor assembly 6 including the inner rotor core 1, the outer rotor core 2, the plurality of permanent magnets 3, and the insulator 4
  • the inner rotor core 1 includes an inner ring 11 and a plurality of outer protrusions 12 projecting circumferentially from the outer side wall of the inner ring 11, the outer rotor core 2 including the outer ring 21 and the inner side wall of the outer ring 21 A plurality of inner convex portions 22 projecting upwardly, the outer ring 21 is sleeved outside the inner ring 11 and forms a cavity 10 between the outer ring 21 and the inner ring 11, and the inner convex portion 22 and the outer convex portion 12 are in the cavity
  • the inner circumferences of the outer rotor core 2 are circumferentially spaced apart from each other, and the permanent magnets 3 are circumferentially spaced apart on the outer wall surface of
  • the convex portion 12 includes a first end portion 121 and a first root portion 122 connected between the first end portion 121 and an outer wall surface of the inner ring portion 11.
  • the width of the first end portion 121 is greater than the width of the first root portion 122.
  • the inner convex portion 22 includes a second end portion 221 and a second root portion 222 connected between the second end portion 221 and the inner wall surface of the outer circular ring 21, and the width of the second end portion 221 is greater than the width of the second root portion 222.
  • the number of the outer convex portion 12 and the inner convex portion 22 is four.
  • the axial height H1 of the outer rotor core 2 is larger than the axial height H2 of the inner rotor core 1, and the insulator 4 is wrapped around the outer end faces of the outer rotor core 2 and the inner rotor core 1.
  • the distance between the outer end surface of the outer convex portion 12 and the inner wall surface of the outer ring 21 is in the range of 0.8 mm to 1.2 mm, and the distance between the outer end surface of the inner convex portion 22 and the outer wall surface of the inner ring 11 is in the range of 0.8 mm to 1.2 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)

Abstract

L'invention concerne un rotor de moteur qui comprend un noyau de fer de rotor interne (1), un noyau de fer de rotor externe (2), une pluralité d'aimants permanents (3) et un isolant (4), le noyau de fer de rotor interne (1) comprenant une bague circulaire interne (11) et une pluralité de renflements externes (12) s'étendant circonférentiellement depuis la paroi latérale externe de la bague circulaire interne (11) ; le noyau de fer de rotor externe (2) comprenant une bague circulaire externe (21) et une pluralité de renflements internes (22) s'étendant circonférentiellement depuis la paroi latérale interne de la bague circulaire externe (21) ; et un premier espace (13) étant formé entre deux renflements externes adjacents (12), un second espace (23) étant formé entre deux renflements internes adjacents (22), les renflements internes (22) s'étendant dans les premiers espaces (13) et les seconds renflements externes (12) s'étendant dans les seconds espaces (23). Le rotor de moteur présente une structure simple, une résistance structurelle élevée, un bon effet d'amortissement et de contrôle de concentricité et une fiabilité élevée.
PCT/CN2014/087353 2014-06-24 2014-09-24 Rotor de moteur et moteur à carter en plastique utilisant ce dernier WO2015196604A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201420340783.3 2014-06-24
CN201420340783.3U CN204030755U (zh) 2014-06-24 2014-06-24 一种电机转子及应用其的塑封电机

Publications (1)

Publication Number Publication Date
WO2015196604A1 true WO2015196604A1 (fr) 2015-12-30

Family

ID=52070582

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/087353 WO2015196604A1 (fr) 2014-06-24 2014-09-24 Rotor de moteur et moteur à carter en plastique utilisant ce dernier

Country Status (2)

Country Link
CN (1) CN204030755U (fr)
WO (1) WO2015196604A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107707055A (zh) * 2017-10-25 2018-02-16 珠海格力节能环保制冷技术研究中心有限公司 一种塑封电机
EP3379697A1 (fr) * 2017-03-23 2018-09-26 Fujitsu General Limited Moteur électrique à aimant permanent
EP3518389A4 (fr) * 2016-09-21 2020-05-06 Fujitsu General Limited Moteur à aimants permanents
CN111769665A (zh) * 2020-06-16 2020-10-13 广东威灵电机制造有限公司 减振转子组件和具有它的电机
CN113839486A (zh) * 2021-10-12 2021-12-24 珠海凯邦电机制造有限公司 一种防切割减震转子

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104505963A (zh) * 2015-01-05 2015-04-08 江苏富天江电子电器有限公司 一种注塑减震转子
CN104753217B (zh) * 2015-04-08 2018-02-27 江苏富天江电子电器有限公司 一种电动机用拼装减震转子结构
CN106301134A (zh) * 2015-06-08 2017-01-04 华帝股份有限公司 一种可控硅调速吸油烟机的控制方法及控制装置
CN106936237B (zh) * 2017-05-16 2023-09-05 深圳市赫瑞科技有限公司 一种磁齿轮中内、外转子的安装结构
CN108988535A (zh) * 2018-07-02 2018-12-11 珠海格力电器股份有限公司 转子、电机及转子的制备方法
CN109888938A (zh) * 2019-02-01 2019-06-14 东菱技术有限公司 一种伺服电机
CN111786484B (zh) * 2020-06-16 2022-12-27 淮安威灵电机制造有限公司 转子组件及具有该转子组件的电机
CN112510872B (zh) * 2020-11-13 2021-11-09 珠海格力电器股份有限公司 转子铁芯组件、转子组件和电机

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007123057A1 (fr) * 2006-04-17 2007-11-01 Panasonic Corporation Moteur
CN202435155U (zh) * 2011-11-25 2012-09-12 美的威灵电机技术（上海）有限公司 用于电动机的表贴式磁铁结构
CN102969850A (zh) * 2011-09-01 2013-03-13 三星电机株式会社 开关磁阻电机
CN202978488U (zh) * 2012-11-30 2013-06-05 中山大洋电机股份有限公司 一种减震转子结构
CN203278576U (zh) * 2013-05-31 2013-11-06 中山大洋电机股份有限公司 一种电机转子结构
CN203554139U (zh) * 2013-11-14 2014-04-16 中山大洋电机股份有限公司 一种塑封电机
CN203840089U (zh) * 2014-04-30 2014-09-17 中山大洋电机制造有限公司 一种电机转子及其应用的电机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007123057A1 (fr) * 2006-04-17 2007-11-01 Panasonic Corporation Moteur
CN102969850A (zh) * 2011-09-01 2013-03-13 三星电机株式会社 开关磁阻电机
CN202435155U (zh) * 2011-11-25 2012-09-12 美的威灵电机技术（上海）有限公司 用于电动机的表贴式磁铁结构
CN202978488U (zh) * 2012-11-30 2013-06-05 中山大洋电机股份有限公司 一种减震转子结构
CN203278576U (zh) * 2013-05-31 2013-11-06 中山大洋电机股份有限公司 一种电机转子结构
CN203554139U (zh) * 2013-11-14 2014-04-16 中山大洋电机股份有限公司 一种塑封电机
CN203840089U (zh) * 2014-04-30 2014-09-17 中山大洋电机制造有限公司 一种电机转子及其应用的电机

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3518389A4 (fr) * 2016-09-21 2020-05-06 Fujitsu General Limited Moteur à aimants permanents
US10797553B2 (en) 2016-09-21 2020-10-06 Fujitsu General Limited Permanent magnet electric motor
EP3379697A1 (fr) * 2017-03-23 2018-09-26 Fujitsu General Limited Moteur électrique à aimant permanent
CN108631467A (zh) * 2017-03-23 2018-10-09 富士通将军股份有限公司 永磁体电动机
US10622855B2 (en) 2017-03-23 2020-04-14 Fujitsu General Limited Permanent magnet electric motor
CN108631467B (zh) * 2017-03-23 2021-11-05 富士通将军股份有限公司 永磁体电动机
CN107707055A (zh) * 2017-10-25 2018-02-16 珠海格力节能环保制冷技术研究中心有限公司 一种塑封电机
CN111769665A (zh) * 2020-06-16 2020-10-13 广东威灵电机制造有限公司 减振转子组件和具有它的电机
CN113839486A (zh) * 2021-10-12 2021-12-24 珠海凯邦电机制造有限公司 一种防切割减震转子

Also Published As

Publication number Publication date
CN204030755U (zh) 2014-12-17

Similar Documents

Publication Publication Date Title
WO2015196604A1 (fr) Rotor de moteur et moteur à carter en plastique utilisant ce dernier
CN205283354U (zh) 单相外转子电机及其转子
JP5785863B2 (ja) 電動機の固定子および永久磁石式回転電機
WO2015180329A1 (fr) Couvercle d'extrémité de moteur et moteur sous boîtier en plastique l'utilisant
WO2014082423A1 (fr) Structure de rotor à absorption de choc
JP2015159706A5 (fr)
CN104467212A (zh) 定子铁芯及定子、电机
KR101475272B1 (ko) 풍력 발전기의 실링 장치
CN202931055U (zh) 电机转子及电机
CN203840089U (zh) 一种电机转子及其应用的电机
WO2015096284A1 (fr) Ensemble de stator de moteur électrique et moteur électrique qui l'utilise
JP2019075923A5 (fr)
JP2019088159A (ja) ステータ、および単相モータ
KR102554396B1 (ko) 로터 및 이를 포함하는 모터
WO2013136022A3 (fr) Ensemble de flasques de rotor de machine electrique tournante comportant des orifices asymetriques favorisant un flux d'air axial a l'interieur du rotor et rotor de machine electrique tournante associe
JP2016046840A5 (fr)
MY190943A (en) Outer rotor-type electric motor and ceiling fan mounted with same
JP2015106966A (ja) 回転子および永久磁石電動機
WO2016206199A1 (fr) Moteur à rotor externe
CN203416091U (zh) 防震胶圈及电机
TWM542286U (zh) 單相無刷電機
CN104868685A (zh) 一种无刷交流电机结构
WO2012139418A1 (fr) Moteur synchrone à aimants permanents à densité de couple élevée
JP2017085804A (ja) 永久磁石電動機
CN207368775U (zh) 转子组件及电机

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14895835

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14895835

Country of ref document: EP

Kind code of ref document: A1