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WO2018121726A1 - Logement de moteur et moteur - Google Patents

Logement de moteur et moteur Download PDF

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Publication number
WO2018121726A1
WO2018121726A1 PCT/CN2017/119780 CN2017119780W WO2018121726A1 WO 2018121726 A1 WO2018121726 A1 WO 2018121726A1 CN 2017119780 W CN2017119780 W CN 2017119780W WO 2018121726 A1 WO2018121726 A1 WO 2018121726A1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
rear end
motor housing
cavity
stepped opening
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2017/119780
Other languages
English (en)
Chinese (zh)
Inventor
羊晓晟
郑海波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Automotive Products Changsha Co Ltd
Original Assignee
Bosch Automotive Products Changsha Co Ltd
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 Bosch Automotive Products Changsha Co Ltd filed Critical Bosch Automotive Products Changsha Co Ltd
Publication of WO2018121726A1 publication Critical patent/WO2018121726A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer

Definitions

  • This invention relates to motor mechanical structures and, more particularly, to a motor housing having an integral heat dissipation structure.
  • the invention also relates to a motor comprising the above described motor housing.
  • the motor 100 includes an end cap 110 and a body 120.
  • the body 120 is typically attached to the end cap 110 by a plurality of bolts 140.
  • a stator and a rotor (not shown) of the motor are disposed within the body 120, and the rotating shaft 130 is supported on the end cap 110.
  • a plurality of electrodes 111 are provided on the side of the end cap 110.
  • FIG. 2 shows a cross-sectional structure of the body 120.
  • the main body 120 includes a flange 121 disposed at one end of the main body 120 and having a plurality of bolt holes 121a; a rear end surface 123 located at the other end of the main body 120; a side surface 122 at the flange 121 and The rear end faces 123 extend between and have a relatively smooth outer surface; and a cavity 120a formed by the side faces 122 and the rear end faces 123 for receiving the stator and the rotor.
  • the main body 120 is usually made of cast iron, and in order to ensure the heat dissipation performance of the motor, it is also necessary to install an aluminum heat sink outside the main body 120.
  • the heat sink usually has an annular structure or is composed of two or more arcuate halves, and the outer circumference of the heat sink has a protruding annular structure to facilitate heat dissipation of the motor.
  • the heat sink typically needs to be secured to the body 120, such as by a plurality of bolts 140, and attached to the body structure or other structure. During this process, scratches may occur between the heat sink and the sides, and additional fixing operations increase manufacturing costs. In addition, the bolts pose a risk of loosening.
  • a motor housing includes:
  • the subject which includes:
  • a flange disposed at one end of the body and having a plurality of bolt holes
  • stepped opening is disposed at an inner circumference of the side surface near the flange, and the plurality of heat dissipation fins are disposed on the outer surface of the side surface;
  • End caps which include:
  • a mounting portion configured to fit into the stepped opening and having a groove provided on a periphery thereof;
  • a seal ring is mounted in the recess and cooperates with the stepped opening to seal the cavity.
  • the inner diameter of the stepped opening is greater than the outer diameter of the side.
  • the stepped opening is disposed on one of the plurality of heat dissipation fins.
  • the outer surface of the side surface is provided with a plurality of heat dissipation fins, and the plurality of heat dissipation fins are arranged in parallel with each other and cover at least a portion of the outer surface of the side surface.
  • the plurality of annular projections are configured to extend perpendicular to the outer surface of the side.
  • the body is configured to be made by casting.
  • a motor comprising:
  • stator and rotor which are disposed within the cavity
  • the rotating shaft has one end supported on the end cover and the other end supported on the rear end surface, wherein the rotor is mounted on the rotating shaft.
  • a bearing housing for supporting the rotating shaft is disposed on the rear end surface.
  • the bearing housing is configured to protrude into the interior of the cavity.
  • the rear end face and the side face are configured to be integrally formed.
  • the motor housing of the present invention has the advantages of simple structure, easy manufacture, convenient installation, and the like, and can reduce the manufacturing process of the motor, reduce the manufacturing cost, and improve the reliability while providing good heat dissipation performance to the motor.
  • FIG. 1 is a perspective view of a prior art motor.
  • FIG. 2 is a partial cross-sectional view of a prior art motor.
  • Figure 3 is a partial perspective view of one embodiment of the body of the motor housing of the present invention.
  • Figure 4 is a cross-sectional view of the embodiment of Figure 3.
  • Figure 5 is a perspective view of one embodiment of an end cap of the present invention.
  • Figure 6 is a perspective view of one embodiment of a seal ring of the present invention.
  • Figure 7 is a perspective view of one embodiment of the motor of the present invention.
  • top, bottom, upward, downward, etc. mentioned herein are defined with respect to the directions in the respective drawings, they are relative concepts, and thus can be based on them. It varies in different locations and in different practical states. Therefore, these or other orientation terms should not be construed as limiting terms.
  • Figure 3 is a partial perspective view of one embodiment of the body of the motor housing of the present invention
  • Figure 4 is a cross-sectional view of the embodiment of Figure 3.
  • the main body 220 includes a flange 221 disposed at one end of the main body 220 and having a plurality of bolt holes 221a; a rear end surface 223 located at the other end of the main body 220; a side surface 222 at the flange 221 and The rear end faces 223 extend between the outer surfaces of the side faces 222 with a plurality of heat radiating fins 222a, and a cavity 220a formed by the side faces 222 and the rear end faces 223 for accommodating the stator and the rotor.
  • a stepped opening 221b is provided at an inner circumference of the side surface 222 near the flange 221, and wherein the flange 221, the rear end surface 223 and the side surface 222 are configured to be integrally formed.
  • the inner diameter of the stepped opening 221b is greater than the inner diameter of the cavity 220a.
  • the inner diameter of the stepped opening 221b is greater than the outer diameter of the side surface 222.
  • the stepped opening 221b is disposed on one of the plurality of heat dissipation fins 222a
  • the body 220 may be made of aluminum.
  • the body 220 can be made by casting.
  • a bearing seat 223a is formed on the side of the rear end surface 223 facing the cavity 220a for supporting one end of a rotating shaft not shown and its bearing.
  • the flange 221 is provided with six bolt holes 221a.
  • the body 220 has a diameter of approximately 129 mm.
  • the side surface 222 is formed integrally with the heat dissipation fins 222a.
  • the plurality of heat dissipation fins 222a are arranged in parallel with each other and cover at least a portion of the outer surface of the side surface 222.
  • the plurality of heat dissipation fins 222a extend from the flange 221 to the rear end surface 223, and the plurality of heat dissipation fins 222a are configured to be substantially perpendicular to the outer surface of the side surface 222.
  • Figure 5 is a perspective view of one embodiment of an end cap of the present invention.
  • the end cover 210 includes a mounting portion 212 configured to fit into the stepped opening 221b and having a groove 212a at the periphery thereof.
  • the end cap 210 is attached to the flange 221 by a plurality of first bolts 240.
  • Figure 6 is a perspective view of one embodiment of a seal ring of the present invention.
  • the seal ring 250 is configured to be mounted in the recess 212a and cooperate with the stepped opening 221b to achieve a sealed connection between the stepped opening 221b and the end cap 210.
  • Figure 7 is a perspective view of one embodiment of the motor of the present invention.
  • the motor 200 includes: a main body 220 according to the above; a stator and a rotor (not shown) disposed in the cavity 220a of the main body 220; and a rotating shaft 230 having one end supported on the end cover 210 and the other end Supported on the rear end surface 223, wherein the rotor is mounted on the rotating shaft 230.
  • a plurality of side-by-side electrodes 211 are disposed on a side of the end cap 210.
  • the end cap 210 is attached to the flange 221 by two first bolts 240, and the motor 200 is attached to the vehicle structure or other structure by four second bolts 240a.
  • a bearing seat 223a for supporting the rotating shaft 230 is disposed on the rear end surface 223.
  • the bearing housing 223a is configured to protrude toward the interior of the cavity 220a.
  • the rear end surface 223 and the side surface 222 are configured to be integrally formed.
  • the stator, rotor, core, bearings and other motor components of the motor are first placed into the cavity 220a through the opening.
  • the end cap 210 is then attached to the flange 221 with a plurality of bolts 240 and the shaft 230 is extended from the aperture in the end cap 210.
  • the step of fixing the heat sink ring to the motor housing is omitted.
  • the motor housing and the motor of the invention have an integrated heat dissipation structure, which not only facilitates heat dissipation during operation of the motor, but also requires no additional installation process, thereby reducing cost and improving efficiency.
  • the integrated heat dissipation structure does not require bolts to secure, reducing the risk of bolts falling out.
  • the motor housing and motor of the present invention may be cooled by air cooling.
  • the motor housing and the motor of the present invention can be used for electric bicycles, electric vehicles, electric skating vehicles, etc., and can also be applied to other products.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

L'invention concerne un logement de moteur, comprenant un corps (220) et un couvercle d'extrémité (210). Le corps (220) comprend : une bride (221), disposée à une extrémité du corps (220) et ayant une pluralité de trous de boulons (221a) ; une face d'extrémité arrière (223), située à l'autre extrémité du corps (220) ; une face latérale (222), s'étendant entre la bride (221) et la face d'extrémité arrière (223), comportant une ouverture en escalier (221b) qui est réalisée sur la périphérie intérieure de la face latérale (222) près de la bride (221) et une pluralité d'ailettes de dissipation thermique (222a) qui sont disposées sur la surface extérieure de la face latérale (222) ; une cavité (220a), entourée par la face latérale (222) et la face d'extrémité arrière (223), le diamètre intérieur de l'ouverture en escalier (221b) étant supérieur au diamètre intérieur de la cavité (220a). Le couvercle d'extrémité (210) comprend : une partie d'installation (212), conçue pour s'insérer dans l'ouverture en escalier (221b) et comportant une rainure (212a) sur sa périphérie ; et une bague d'étanchéité (250) montée dans la rainure (212a) et appariée à l'ouverture en escalier (221b) afin de sceller la cavité (220a). L'invention porte également sur un moteur comprenant ledit logement de moteur. Le logement de moteur présente une structure simple, est facile à fabriquer, et pratique à installer, et peut réduire les processus de fabrication de moteurs, réduire les coûts de fabrication et améliorer la fiabilité tout en assurant une bonne performance de dissipation thermique au moteur.
PCT/CN2017/119780 2016-12-30 2017-12-29 Logement de moteur et moteur Ceased WO2018121726A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611256020.0 2016-12-30
CN201611256020.0A CN108270306A (zh) 2016-12-30 2016-12-30 电机壳体和电机

Publications (1)

Publication Number Publication Date
WO2018121726A1 true WO2018121726A1 (fr) 2018-07-05

Family

ID=62707844

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/119780 Ceased WO2018121726A1 (fr) 2016-12-30 2017-12-29 Logement de moteur et moteur

Country Status (3)

Country Link
CN (1) CN108270306A (fr)
TW (1) TWI712250B (fr)
WO (1) WO2018121726A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115173612A (zh) * 2022-07-29 2022-10-11 广东美的智能科技有限公司 伺服电机及工业机器人

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021248338A1 (fr) * 2020-06-09 2021-12-16 南京阔鹿智能科技有限公司 Dispositif de montage de main courante

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201466931U (zh) * 2009-05-22 2010-05-12 南阳防爆电气研究所有限公司 一种隔爆型三相异步电动机
CN202495825U (zh) * 2012-02-02 2012-10-17 中国长江航运集团电机厂 一种电机外壳
US20140138951A1 (en) * 2012-11-20 2014-05-22 Turbogen, Llc Housing apparatus for use with an electrical system and method of using same
CN104124810A (zh) * 2013-04-26 2014-10-29 威海克莱特机电有限公司 轴流风机专用电机
CN104578518A (zh) * 2013-10-11 2015-04-29 成都中远信电子科技有限公司 液冷式电机
CN205583904U (zh) * 2016-04-15 2016-09-14 福建恒冠机电设备有限公司 一种发电机散热外壳

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TWI277272B (en) * 2004-05-11 2007-03-21 Wei-Chung Su Enclosure of motor
CN2840487Y (zh) * 2005-10-28 2006-11-22 鲍文光 电动车电机端盖
TWM339853U (en) * 2008-01-25 2008-09-01 Adlee Powertronic Co Ltd Fan-free spindle motor
FR2935561A1 (fr) * 2008-09-03 2010-03-05 Michelin Soc Tech Flasque connecteur pour machine electrique a enroulements statoriques
TWM366238U (en) * 2009-05-19 2009-10-01 wei-xiang Liao Combination structure of motor side cover
CN103036345A (zh) * 2012-12-14 2013-04-10 山东省源通机械股份有限公司 防爆电机外壳
CN204349744U (zh) * 2015-01-24 2015-05-20 浙江品溢电机有限公司 三相异步密封电动机
CN104716806B (zh) * 2015-03-16 2017-11-10 南京奥特佳新能源科技有限公司 汽车电动/汽油模式快速切换用无刷直流电机
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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201466931U (zh) * 2009-05-22 2010-05-12 南阳防爆电气研究所有限公司 一种隔爆型三相异步电动机
CN202495825U (zh) * 2012-02-02 2012-10-17 中国长江航运集团电机厂 一种电机外壳
US20140138951A1 (en) * 2012-11-20 2014-05-22 Turbogen, Llc Housing apparatus for use with an electrical system and method of using same
CN104124810A (zh) * 2013-04-26 2014-10-29 威海克莱特机电有限公司 轴流风机专用电机
CN104578518A (zh) * 2013-10-11 2015-04-29 成都中远信电子科技有限公司 液冷式电机
CN205583904U (zh) * 2016-04-15 2016-09-14 福建恒冠机电设备有限公司 一种发电机散热外壳

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115173612A (zh) * 2022-07-29 2022-10-11 广东美的智能科技有限公司 伺服电机及工业机器人

Also Published As

Publication number Publication date
TW201830831A (zh) 2018-08-16
CN108270306A (zh) 2018-07-10
TWI712250B (zh) 2020-12-01

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