WO2021169156A1 - Feuille de stator, noyau de stator, stator et moteur - Google Patents

Feuille de stator, noyau de stator, stator et moteur Download PDF

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Publication number
WO2021169156A1
WO2021169156A1 PCT/CN2020/103261 CN2020103261W WO2021169156A1 WO 2021169156 A1 WO2021169156 A1 WO 2021169156A1 CN 2020103261 W CN2020103261 W CN 2020103261W WO 2021169156 A1 WO2021169156 A1 WO 2021169156A1
Authority
WO
WIPO (PCT)
Prior art keywords
tooth
stator
tooth body
yoke
shoe
Prior art date
Application number
PCT/CN2020/103261
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English (en)
Chinese (zh)
Inventor
吴迪
武谷雨
龚黎明
Original Assignee
广东威灵电机制造有限公司
美的威灵电机技术（上海）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
Priority claimed from CN202020201342.0U external-priority patent/CN211183554U/zh
Priority claimed from CN202010113561.8A external-priority patent/CN113300497A/zh
Application filed by 广东威灵电机制造有限公司, 美的威灵电机技术（上海）有限公司 filed Critical 广东威灵电机制造有限公司
Publication of WO2021169156A1 publication Critical patent/WO2021169156A1/fr

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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
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/32—Windings characterised by the shape, form or construction of the insulation
    • H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation

Definitions

  • a motor generally includes a stator and a rotor installed inside or outside the stator.
  • the stator includes a stator core and winding coils wound on the stator core.
  • the stator core is formed by laminating a plurality of stator punching pieces, each stator punching piece is provided with multiple teeth and yokes, and the stator core sheets formed after punching are welded or bonded to each other to form a complete stator iron core.
  • This application aims to solve at least one of the technical problems existing in the prior art or related technologies.
  • the third aspect of the application proposes a stator.
  • the fourth aspect of the application proposes a motor.
  • the first aspect of the present application proposes a stator punch, which includes: a yoke; a tooth, one end of the tooth is connected to the yoke, and the other end extends away from the yoke; wherein the stator punch At least a part of the sheet has a rectangular structure or a fan-shaped structure, and the tooth portion includes a first tooth body, a second tooth body and a third tooth body, and the first tooth body is arranged between the second tooth body and the third tooth body.
  • the first tooth body, the second tooth body and the third tooth body together form an E-shaped structure, so that the outline of the stator punch is rectangular or sector-shaped.
  • the design can improve the winding efficiency when winding the winding coil, and can also avoid bumps when the winding coil is wound, thereby ensuring the quality of the winding coil.
  • the rectangular structure of the stator fins can prevent the stator fins from interfering with each other during installation.
  • the stator punch of the fan-shaped structure is more stable when spliced and matched, which can effectively improve the stability of the stator punch after installation and splicing.
  • stator punching piece of this application According to the above-mentioned stator punching piece of this application, the following additional technical features may also be provided:
  • the yoke part and the tooth part respectively have a straight bar structure, and the first tooth body, the second tooth body and the third tooth body are arranged side by side, so that at least a part of the stator punch has a rectangular structure.
  • the rectangular structure of the stator punching sheet has a simple structure and is easy to manufacture, which is beneficial to winding the winding coils on the teeth.
  • the rectangular structure of the stator punch is easy to install and fix, which can improve the installation and assembly efficiency of the stator punch.
  • the yoke has an arc structure
  • the teeth have a straight structure
  • the end of the second tooth body and the third tooth body away from the yoke extends to the end of the first tooth body away from the yoke, so as to At least a part of the stator punch has a fan-shaped structure.
  • the stator punching sheet structure of the sector structure is more stable and easy to manufacture, which is beneficial to winding the winding coils on the teeth.
  • the stator punching piece further includes: a welding part having a concave structure or a convex structure; wherein a first vertex angle is provided between the second tooth body and the yoke, and the third tooth body and the yoke part There is a second apex angle therebetween, and the welding part is arranged at the position of the first apex angle and/or the second apex angle.
  • the position of the stator punch is fixed by welding.
  • welding parts By arranging welding parts at both the first vertex angle and the second vertex angle, the stator punch can be fixed more firmly, so as to improve the robustness and service life of the overall structure of the stator punch.
  • the stator punching piece further includes: a tooth shoe, which is arranged at an end of at least one of the first tooth body, the second tooth body, and the third tooth body away from the yoke.
  • the tooth shoe can prevent the winding coil from falling off, so as to improve the service life of the winding coil.
  • At least a part of the tooth shoe has an arc-shaped structure, and the plurality of tooth shoes collectively surround and define at least a part of the circle.
  • At least a part of the tooth shoe has an arc structure and can be matched with the outer contour of the rotor.
  • the tooth shoe is a soft magnetic material tooth shoe, and the soft magnetic material tooth shoe is sleeved with at least one of the first tooth body, the second tooth body, and the third tooth body.
  • the tooth shoe of soft magnetic material is conducive to installation and fixation, and the soft magnetic material is also more conducive to the sleeve of the tooth shoe on the first tooth body, the second tooth body or the third tooth body. Or install the tooth shoe after winding the winding coil on the third tooth body to ensure the winding efficiency of the winding coil.
  • the tooth shoe includes: a first tooth shoe, which is arranged at an end of the first tooth body away from the yoke; wherein the first tooth shoe and the first tooth body are separately connected.
  • first tooth shoe at one end of the first tooth body away from the yoke, it can be ensured that the winding coil wound on the first tooth body will not fall off.
  • the first tooth shoe and the first tooth body are separately connected, so that the first tooth shoe is installed after the winding coil is wound on the first tooth body, which can ensure the winding efficiency of the winding coil.
  • the stator punch further includes: a first connecting portion, which is arranged on any one of the first tooth body and the first tooth shoe; a second connecting portion, which is arranged on the first tooth body and the first tooth shoe; The first tooth shoe is on the other relative to any one; wherein, the first connecting part and the second connecting part cooperate with each other, so that the first tooth body and the first tooth shoe are connected to each other.
  • the installation of the first tooth body can be completed after winding the winding coil on any tooth shoe or yoke part. Splicing. Therefore, the winding of the winding coil is facilitated, and the loosening of the winding coil after winding can be avoided.
  • At least a part of the first connecting portion protrudes outward relative to any one of the first tooth body and the first tooth shoe; at least a part of the second connecting part is relative to the first tooth body and One of the first tooth shoes is recessed inward with respect to the other one.
  • the structure is simple, especially when the concave-convex fitting structure of the falcon structure is adopted, not only the connection structure is simple, but also the first tooth can be prevented. Rotation occurs between the shoe and the first tooth body to ensure the firmness of the connection between the first tooth shoe and the first tooth body, so that the first tooth shoe is not easy to fall off, which can ensure the function of the first tooth shoe, and ultimately improve The product quality of the stator punch.
  • the second aspect of the present application proposes a stator core, which includes: a stator punch designed as in any one of the first aspect; wherein at least two stator punches are laminated to each other to jointly define at least one stator core Part.
  • the stator core provided in the present application includes any stator punch designed as in the first aspect, so it has all the beneficial effects of any stator punch designed in the first aspect, and will not be repeated here.
  • the third aspect of the present application proposes a stator including: a stator core designed as in any one of the second aspect; winding coils wound on a yoke and/or a tooth.
  • the stator provided by the present application includes any stator core designed as in the second aspect, so it has all the beneficial effects of any stator core designed in the second aspect, and will not be repeated here.
  • the winding coil is wound on the first tooth body of the tooth.
  • the winding coil is wound on the first tooth body located in the middle, and the first tooth body is located in a semi-closed rectangular structure or a sector structure, which is more conducive to the stability of the stator core structure.
  • the winding coil is wound around the part of the yoke between the first tooth body and the second tooth body; and/or the winding coil is wound around the yoke part between the first tooth body and the third tooth body part.
  • the design is not only suitable for winding the winding coil, but also facilitates the improvement of the stability of the stator core structure.
  • a plurality of stator core segments arranged along the circumferential direction; wherein the winding coil is wound between two adjacent teeth of two adjacent stator core segments.
  • stator cores are wound with each other through winding coils, and on the basis of ensuring the performance of the stator cores, its stability is further ensured.
  • the stator further includes an insulating frame, which is arranged between the stator core and the winding coils, and is attached to the stator core.
  • the insulating frame is sleeved on the stator core and extends to the inner side of the yoke and the teeth and covers, so as to insulate the stator core. Then the winding coil is wound on the insulating frame, which can improve the safety performance and stability performance of the stator core.
  • the fourth aspect of the present application proposes a motor, which includes: a stator designed as in any one of the third aspect; a rotor that cooperates with the stator.
  • the motor provided by the present application includes a stator designed as in any one of the third aspect, so it has all the beneficial effects of any one designed in the third aspect, and will not be repeated here.
  • FIG. 1 is a schematic diagram of a first top view structure of a stator punching sheet according to an embodiment of the application
  • FIG. 2 is a schematic diagram of a second top view structure of a stator punching sheet according to an embodiment of the application
  • FIG. 3 is a schematic diagram of a third top view structure of a stator punching sheet according to an embodiment of the application.
  • FIG. 4 is a schematic diagram of a fourth top view structure of the stator punching sheet according to the embodiment of the application.
  • FIG. 5 is a schematic diagram of a fifth top view structure of a stator punching sheet according to an embodiment of the application.
  • Fig. 6 is a first assembly schematic diagram of the stator core, winding coils, and insulating frame according to an embodiment of the application;
  • FIG. 7 is a second assembly schematic diagram of the stator core, winding coils, and insulating frame according to an embodiment of the application;
  • FIG. 8 is a third assembly schematic diagram of the stator core, winding coils, and insulating frame according to the embodiment of the application;
  • FIG. 9 is a fourth assembly schematic diagram of the stator core, winding coils and insulating frame according to the embodiment of the application.
  • FIG. 10 is a fifth assembly schematic diagram of the stator core, the winding coil and the insulating frame according to the embodiment of the application;
  • FIG. 11 is a schematic diagram of a first top view structure of a stator according to an embodiment of the application.
  • FIG. 12 is a schematic diagram of a second top view structure of a stator according to an embodiment of the application.
  • FIG. 13 is a schematic diagram of a third top view structure of a stator according to an embodiment of the application.
  • FIG. 14 is a schematic diagram of a fourth top view structure of a stator according to an embodiment of the application.
  • FIG. 15 is a schematic diagram of a fifth top view structure of a stator according to an embodiment of the application.
  • FIG. 16 is a schematic diagram of a sixth top view structure of a stator according to an embodiment of the application.
  • stator stator
  • 20 rotor
  • 100 stator punch
  • 102 yoke
  • 104 tooth
  • 106 tooth shoe
  • 108 first connecting part
  • 110 stator core block
  • 112 second connecting part
  • 114 welding part
  • 200 insulating frame
  • 300 winding coil
  • 1042 first tooth body
  • 1044 second tooth body
  • 1046 third tooth body
  • 1062 first tooth shoe
  • 1064 second tooth shoe
  • 1066 The third tooth shoe.
  • this embodiment provides a stator punch 100, which includes a yoke 102 and a tooth 104.
  • One end of the tooth 104 is connected to the yoke 102, and the other end faces away from the yoke 102.
  • the stator punch 100 has a rectangular structure or a sector structure, and the tooth portion 104 includes a first tooth body 1042, a second tooth body 1044, and a third tooth body 1046.
  • the first tooth body 1042 is provided on the second tooth body 1044.
  • the third tooth body 1046 is provided.
  • stator punching pieces 100 are laminated on each other to form at least a part of the stator core.
  • the contour of at least a part of the stator punch 100 is a rectangular structure or a fan-shaped structure, and one end is open, and the open end is close to the rotor 20, and the teeth 104 constitute a part of the fan-shaped structure or the rectangular structure.
  • at least a part of the stator punch 100 is set to an E-shaped structure, so that it is convenient to wind the winding coil 300 on the teeth 104 to improve the winding efficiency of the winding coil 300.
  • the winding coil 300 of this embodiment is not easy to occur during winding. By bumping, the quality of the winding coil 300 can be ensured.
  • the tooth 104 is divided into three parts: a first tooth body 1042, a second tooth body 1044, and a third tooth body 1046, and a part of them is formed into a rectangular structure or a fan-shaped structure with an open end.
  • the structure is simple and convenient.
  • the winding coil 300 is wound around a suitable part of the tooth 104.
  • the first tooth body 1042 is suitable for winding the winding coil 300.
  • the stator blades 100 with a rectangular structure or a sector structure are arranged and fixed along the same central circumferential direction.
  • the center is used to set the rotor 20.
  • the winding coil 300 is wound on the tooth 104 or can be wound on the yoke 102. On the yoke 102, the relatively small space in the yoke 102 is avoided, and the winding coil 300 is more efficiently wound.
  • this embodiment provides a stator punch 100.
  • this embodiment also includes the following technical features:
  • the yoke 102 and the tooth 104 have a straight bar structure respectively, and the first tooth body 1042, the second tooth body 1044 and the third tooth body 1046 are arranged side by side, so that at least a part of the stator punch 100 has a rectangular structure.
  • the first tooth body 1042 is located at the symmetric center of the stator punch 100 with a symmetric structure, which can ensure the structural strength and stability of the overall structure of the stator punch 100.
  • the yoke 102 and the tooth 104 can be integrally formed, or they can be spliced after separate manufacturing.
  • the rectangular structure of the stator punching piece 100 has a simple structure, is easy to manufacture, and facilitates regular and regular winding of the winding coil 300 on the teeth 104.
  • this embodiment provides a stator punch 100.
  • this embodiment also includes the following technical features:
  • the yoke 102 has an arc structure, and the tooth 104 has a straight structure.
  • the ends of the second tooth body 1044 and the third tooth body 1046 away from the yoke 102 extend to the end of the first tooth body 1042 away from the yoke 102 so At least a part of the stator punch 100 has a fan-shaped structure.
  • the first tooth body 1042 is located at the symmetric center of the stator punch 100 with a symmetric structure, which can ensure the structural strength and stability of the overall structure of the stator punch 100.
  • the yoke 102 and the tooth 104 can be integrally formed, or they can be joined to each other after being separately manufactured.
  • the stator punch 100 with a sector structure is more stable in structure, and it is also convenient to wind the winding coil 300 around the teeth 104.
  • This embodiment provides a stator punch 100.
  • this embodiment also includes the following technical features:
  • the stator punch 100 is formed by splicing at least two stator core segments 110.
  • the stator core sub-block 110 facilitates the installation and assembly of the stator punch 100 and also facilitates the winding of the winding coil 300.
  • this embodiment provides a stator punch 100.
  • this embodiment also includes the following technical features:
  • the stator punch 100 further includes: a welding portion 114 having a concave structure or a convex structure, wherein a first vertex angle is formed between the second tooth body 1044 and the yoke portion 102, and the third tooth body 1046 and the yoke portion There is a second apex angle between 102, and the welding portion 114 is provided at the position of the first apex angle and/or the second apex angle.
  • the first vertex angle and the second vertex angle may be any one of a right angle, an acute angle, or an obtuse angle.
  • this embodiment provides a stator punch 100.
  • this embodiment also includes the following technical features:
  • the stator punch 100 further includes a tooth shoe 106, which is disposed on an end of at least one of the first tooth body 1042, the second tooth body 1044, and the third tooth body 1046 away from the yoke 102.
  • At least one of the first tooth body 1042, the second tooth body 1044, and the third tooth body 1046 is provided with a tooth shoe 106 at one end away from the yoke 102, and two ends of the tooth shoe 106 respectively extend the first tooth body 1042 The main body part of the second tooth body 1044 or the third tooth body 1046.
  • the tooth shoe 106 can prevent the winding coil 300 from falling off, so as to improve the use of the winding coil 300 life.
  • This embodiment provides a stator punch 100.
  • this embodiment also includes the following technical features:
  • the first tooth shoe 1062 is provided at the end of the first tooth body 1042 away from the yoke 102 to ensure that the winding coil 300 wound on the first tooth body 1042 will not fall off.
  • the first tooth shoe 1062 and the first tooth body 1042 are separately connected, so that the first tooth shoe 1062 is installed after the winding coil 300 is wound on the first tooth body 1042, which can ensure the winding efficiency of the winding coil 300 and avoid The first tooth shoe 1062 hinders the winding of the winding coil 300.
  • this embodiment provides a stator punch 100.
  • this embodiment also includes the following technical features:
  • At least a part of the first connecting portion 108 protrudes outward relative to any one of the first tooth body 1042 and the first tooth shoe 1062; at least a part of the second connecting part 112 is relative to the first tooth body 1042 and the first tooth One of the boots 1062 is recessed inward with respect to the other one.
  • the structure is simple, especially when the concave-convex fitting structure of the falcon structure is adopted, not only the connection structure is simple, but also the second connection can be prevented.
  • a tooth shoe 1062 rotates with the first tooth body 1042 to ensure the firmness of the connection between the first tooth shoe 1062 and the first tooth body 1042, so that the first tooth shoe 1062 is not easy to fall off, which can ensure the first tooth The function of the shoe 1062 will ultimately improve the product quality of the stator punch 100.
  • This embodiment provides a stator core, which includes the stator punch 100 as in any embodiment of the present application. Wherein, at least two stator punching pieces are laminated with each other to jointly define at least a part of the stator core.
  • this embodiment provides a stator 10, including: the stator core of any embodiment of the present application and a winding coil 300, the winding coil 300 is wound around the yoke 102 and/or the tooth 104 superior.
  • the stator 10 includes three rectangular stator punches 100 arranged at equal intervals, and the winding coil 300 is wound on the teeth 104.
  • the stator 10 includes three fan-shaped stator cores arranged at equal intervals, and the winding coil 300 is wound on the yoke 102.
  • the stator 10 includes three rectangular stator cores arranged equidistantly, and a tooth shoe 10 is provided on the stator punch 100 of any stator core, and the winding coil 300 is wound on the tooth 104.
  • FIG. 11 the stator 10 includes three rectangular stator punches 100 arranged at equal intervals, and the winding coil 300 is wound on the teeth 104.
  • the stator 10 includes three fan-shaped stator cores arranged at equal intervals, and the winding coil 300 is wound on the yoke 102.
  • the stator 10 includes three rectangular stator cores arranged equidistantly, and a tooth shoe 10 is provided on the stator punch 100 of any stator core, and the wind
  • the stator 10 includes four rectangular stator cores arranged equidistantly, and a tooth shoe 106 is provided on the stator punch 100 of any stator core, and the winding coil 300 is wound on the tooth 104.
  • the stator 10 includes three sector-shaped stator cores arranged at equal intervals, and the tooth shoe 106 and the tooth 104 on the stator punch 100 of any stator core are spliced with each other, and the winding coil 300 is wound around the tooth. 104 above.
  • the stator 10 includes three sector-shaped stator cores arranged at equal intervals, and a winding coil 300 is jointly wound on two adjacent stator cores.
  • this embodiment provides a stator 10.
  • this embodiment also includes the following technical features:
  • the winding coil 300 is wound on the first tooth body 1042 of the tooth 104.
  • the winding coil 300 is wound on the first tooth body 1042 located in the middle, and the first tooth body 1042 is located in a semi-closed rectangular structure or a sector structure.
  • the winding coil 300 can also be wound on the adjacent second tooth body 1044 and the third tooth body 1046, so that the second tooth body 1044 and the third tooth body 1046 are located inside the winding coil 300.
  • the second tooth body The shoe 1064 plays a role in preventing the winding coil 300 from falling off.
  • this embodiment provides a stator 10.
  • this embodiment also includes the following technical features:
  • the winding coil 300 is wound around the part of the yoke 102 between the first tooth body 1042 and the second tooth body 1044; and/or the winding coil 300 is wound around the yoke part 102 between the first tooth body 1042 and the third tooth body 1046 part. In this embodiment, even when the winding coil 300 is wound, it is convenient to improve the stability of the stator core.
  • this embodiment provides a stator 10.
  • this embodiment also includes the following technical features:
  • the stator core has a rectangular structure, and the insulating frame 200 is attached to the inner edge of the stator core.
  • the stator core has a fan-shaped structure, and the insulating frame 200 is attached to the inner and outer edges of the stator core.
  • the stator core has a rectangular structure, the insulating frame 200 is attached to the inner edge of the stator core, and a tooth shoe 106 is provided on the stator core.
  • the stator core has a sector structure, the insulating frame 200 is attached to the inner edge of the stator core, and a tooth shoe 106 is provided on the stator core.
  • the beneficial effect of the embodiment of the present application is that in this embodiment, the stator punch 100 is set in an E-shaped structure, thereby facilitating winding the winding coil 300 on the stator core formed by the stator punch 100. In order to improve the production efficiency of the motor, and improve the winding effect of the winding coil.
  • the term “plurality” refers to two or more than two, unless specifically defined otherwise.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense.
  • “connected” can be a fixed connection, a detachable connection, or an integral connection;
  • “connected” can be It is directly connected or indirectly connected through an intermediary.
  • the specific meanings of the above-mentioned terms in this application can be understood according to specific circumstances.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

La présente invention concerne une feuille de stator, un noyau de stator, un stator et un moteur. La feuille de stator comprend des parties de culasse et des parties de dent, les parties de dent ont une extrémité reliée aux parties de culasse et les autres extrémités s'étendent à l'opposé des parties de culasse, au moins une partie de la feuille de stator ayant une structure rectangulaire ou une structure de secteur, et chaque partie de dent comprenant un premier corps de dent, un deuxième corps de dent, et un troisième corps de dent, le deuxième corps de dent étant disposé sur un côté du premier corps de dent, et le troisième corps de dent étant disposé sur l'autre côté du premier corps de dent à l'opposé du deuxième corps de dent. La présente invention peut améliorer l'efficacité d'enroulement et la commodité d'enroulement de bobines d'enroulement.
PCT/CN2020/103261 2020-02-24 2020-07-21 Feuille de stator, noyau de stator, stator et moteur WO2021169156A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202010113561.8 2020-02-24
CN202020201342.0U CN211183554U (zh) 2020-02-24 2020-02-24 定子冲片、定子铁芯、定子和电机
CN202020201342.0 2020-02-24
CN202010113561.8A CN113300497A (zh) 2020-02-24 2020-02-24 定子冲片、定子铁芯、定子和电机

Publications (1)

Publication Number Publication Date
WO2021169156A1 true WO2021169156A1 (fr) 2021-09-02

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ID=77489844

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Application Number Title Priority Date Filing Date
PCT/CN2020/103261 WO2021169156A1 (fr) 2020-02-24 2020-07-21 Feuille de stator, noyau de stator, stator et moteur

Country Status (1)

Country Link
WO (1) WO2021169156A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202651909U (zh) * 2012-06-19 2013-01-02 江门市地尔汉宇电器股份有限公司 拼装型定子及铁芯及应用该定子的dd电机
US20180287437A1 (en) * 2017-03-31 2018-10-04 University Of Illinois At Urbana-Champaign High frequency electric motor, control system, and method of manufacture
US20180351426A1 (en) * 2017-06-02 2018-12-06 Whirlpool Corporation Winding configuration electric motor
CN209233577U (zh) * 2018-12-28 2019-08-09 捷和电机制品(深圳)有限公司 一种定子冲片、定子铁芯及无刷电机
CN209497335U (zh) * 2019-04-29 2019-10-15 广东威灵电机制造有限公司 定子组件及电机
CN209545267U (zh) * 2019-05-15 2019-10-25 美的威灵电机技术（上海）有限公司 定子冲片、定子及电机

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202651909U (zh) * 2012-06-19 2013-01-02 江门市地尔汉宇电器股份有限公司 拼装型定子及铁芯及应用该定子的dd电机
US20180287437A1 (en) * 2017-03-31 2018-10-04 University Of Illinois At Urbana-Champaign High frequency electric motor, control system, and method of manufacture
US20180351426A1 (en) * 2017-06-02 2018-12-06 Whirlpool Corporation Winding configuration electric motor
CN209233577U (zh) * 2018-12-28 2019-08-09 捷和电机制品(深圳)有限公司 一种定子冲片、定子铁芯及无刷电机
CN209497335U (zh) * 2019-04-29 2019-10-15 广东威灵电机制造有限公司 定子组件及电机
CN209545267U (zh) * 2019-05-15 2019-10-25 美的威灵电机技术（上海）有限公司 定子冲片、定子及电机

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