WO2018099728A1 - Stator pour une machine électrique, son procédé de fabrication et machine électrique pour un véhicule automobile - Google Patents

Stator pour une machine électrique, son procédé de fabrication et machine électrique pour un véhicule automobile Download PDF

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Publication number
WO2018099728A1
WO2018099728A1 PCT/EP2017/079445 EP2017079445W WO2018099728A1 WO 2018099728 A1 WO2018099728 A1 WO 2018099728A1 EP 2017079445 W EP2017079445 W EP 2017079445W WO 2018099728 A1 WO2018099728 A1 WO 2018099728A1
Authority
WO
WIPO (PCT)
Prior art keywords
stator
projections
electrical machine
motor vehicle
impregnation
Prior art date
Application number
PCT/EP2017/079445
Other languages
German (de)
English (en)
Inventor
Mike Fippl
Lars WETTERAU
Original Assignee
Volkswagen Aktiengesellschaft
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 Volkswagen Aktiengesellschaft filed Critical Volkswagen Aktiengesellschaft
Priority to EP17798221.2A priority Critical patent/EP3549236A1/fr
Priority to CN201780074584.9A priority patent/CN110024263A/zh
Publication of WO2018099728A1 publication Critical patent/WO2018099728A1/fr

Links

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
    • H02K1/18—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures
    • H02K1/185—Means for mounting or fastening magnetic stationary parts on to, or to, the stator structures to outer stators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies

Definitions

  • the invention relates to a stator for an electric machine according to the preamble of
  • the invention further relates to a manufacturing method for a stator and an electric machine for a motor vehicle.
  • An electric machine is generally understood to mean an electromechanical converter which converts electrical energy into mechanical energy and / or mechanical energy into electrical energy.
  • An electric machine is in particular an electric motor (electric motor) and / or generator with a fixed stator or stator and a rotatably mounted in the stator rotor or rotor (inner rotor).
  • the stator has a stator or
  • the stator body may be formed from individual stator laminations, which are combined to form a so-called laminated stator core.
  • the prior art is made to DE 10 2008 007 578 A1.
  • stator laminations can be perforated, wherein the perforations in the laminated stator core are axial
  • Stator sheets are provided. This is shown, for example, in US 6,088,905 A (see
  • the object of the invention is to provide a trained with axial bores or axial bores stator, which is space and weight optimized.
  • stator according to the invention has a stator body formed from individual stator laminations, which is formed with axial bores, in particular through-bores, wherein the stator body is provided with (radially projecting) on its outer circumferential or circumferential surface.
  • Projections is formed, in which the axial bores are arranged.
  • a plurality of projections distributed over the circumference are provided, wherein in each projection at least one axial bore is formed.
  • the projections preferably extend over the entire axial length of the stator body or of the stator lamination stack formed from the stator laminations. Since there are voids between the projections, considerable space and weight or mass can be saved with the invention.
  • a first embodiment provides that the individual stator laminations, in particular all the stator laminations, are formed on the outer circumference with perforated, ear-like tabs which are aligned one above the other in the laminated stator core and form the projections.
  • the projections are by means of interlocking form-locking elements on
  • the interlocking elements may be designed for an undercut connection, preferably with a Verastungsgeometrie, which allows snapping by pressing.
  • the positive locking elements are
  • the projections can, in particular in one piece, be formed from metal, for example aluminum, or plastic, also fiber-reinforced plastic. Preference is given to injection-molded parts or cut extruded profile parts.
  • the second embodiment is particularly advantageous for a dip-impregnated stator.
  • the entire stator is immersed in an impregnation medium, such as resin, and soaked. Subsequently, the resin is cured by supplying energy.
  • the immersion impregnation allows a fixation of the stator laminations and a coating of the stator body and stator winding in a single process step.
  • Impregnation can also serve the sealing.
  • the prior art is on the
  • the production of an impregnated and in particular dip-impregnated stator can then comprise, for example, the following steps:
  • Impregnating and in particular dip impregnating the stator preferably by
  • Projections or the stator are heated or residual heat can be used by hot curing.
  • the projections attached subsequently to the impregnation process are thus resin-free on their outer surfaces, which may in particular act as contact surfaces or support surfaces, and on end surfaces, which may furthermore function in particular as screw head support surfaces.
  • ZSB stator assembly stator
  • the stator can thus be installed without additional processing and, for example, be installed in a housing.
  • Fig. 1 shows an axial plan view of a stator with projections.
  • Fig. 2 shows an axial plan view of a section of another stator body with separately formed projections.
  • Fig. 3 shows a perspective view of a projection formed as a separate part for attachment to the stator shown in Fig. 2.
  • the stator body or carrier 100 shown in FIG. 1 is approximately circular cylindrical and is formed from a plurality of identical stator laminations 110, which are stacked in the axial direction L (perpendicular to the plane of the page) and form a laminated stator core.
  • the stator winding grooves 120 for receiving a stator winding not shown are formed on the inner circumferential surface (internally-grooved stator).
  • stator body 100 On its outer peripheral surface, the stator body 100 is formed with four protrusions 130 through which axial through holes 140 extend.
  • the through holes 140 are, for example, for the attachment of end plates or end caps, bearing caps or
  • the through holes 140 may also be provided for mounting the stator in a housing.
  • the projections 130 may also be used as attachment or
  • the stator body 100 further includes a dip impregnated resin impregnation 150, which is only partially illustrated.
  • each stator lamination 10 has four tabs or ears 15 which are radially outwardly projecting and perforated and which form the projections 130 in the laminated stator core.
  • all projections 130 are formed as separate parts or body 135 which are secured by means of dovetail 160 form-fitting manner on the outer peripheral surface of the stator 100 also formed of stator laminations.
  • the axial length of the separate projections 130/135 corresponds to the axial length of the stator body or the stator lamination 100.
  • Dovetail connection 160 extends over the entire axial connection length.
  • FIG. 3 shows such a projection 130 formed as a separate part, which is already formed with a through-bore 140, with support surfaces 138 adapted to the outer circumferential surface of the stator body 100 and with a dovetail-shaped groove 137. (The other separate projections 130 are identical.)
  • the stator 100 is formed with corresponding Nutzapfen 107, resulting from a corresponding
  • the Nutzapfen 107 and the groove 137 form corresponding form-fitting elements.
  • the projections 130 formed as separate parts 135 are preferably fastened to the stator body 100 only after a possible impregnation and are thus resin-free (ie the contact surfaces functioning as housing contact surfaces and / or as screw head contact surfaces are free of impregnation). Manufacturing tolerances can be better adhered to, in addition, the protrusions 130 are also free of resin drops and resin runners.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

L'invention concerne un stator pour une machine électrique, comprenant un corps statorique (100) qui est formé de tôles statoriques (110) individuelles et qui présente des perçages axiaux (140), ce corps statorique (100) présentant sur sa surface périphérique extérieure des parties saillantes (130) dans lesquelles sont placés ces perçages axiaux (140). L'invention concerne en outre un procédé de fabrication de ce stator et une machine électrique comprenant un tel stator.
PCT/EP2017/079445 2016-12-02 2017-11-16 Stator pour une machine électrique, son procédé de fabrication et machine électrique pour un véhicule automobile WO2018099728A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17798221.2A EP3549236A1 (fr) 2016-12-02 2017-11-16 Stator pour une machine électrique, son procédé de fabrication et machine électrique pour un véhicule automobile
CN201780074584.9A CN110024263A (zh) 2016-12-02 2017-11-16 用于电机的定子、制造方法和用于机动车的电机

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016224066.8 2016-12-02
DE102016224066.8A DE102016224066A1 (de) 2016-12-02 2016-12-02 Stator für eine elektrische Maschine, Herstellverfahren und elektrische Maschine für ein Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2018099728A1 true WO2018099728A1 (fr) 2018-06-07

Family

ID=60331623

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/079445 WO2018099728A1 (fr) 2016-12-02 2017-11-16 Stator pour une machine électrique, son procédé de fabrication et machine électrique pour un véhicule automobile

Country Status (4)

Country Link
EP (1) EP3549236A1 (fr)
CN (1) CN110024263A (fr)
DE (1) DE102016224066A1 (fr)
WO (1) WO2018099728A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113824282B (zh) * 2020-06-19 2023-04-14 新疆金风科技股份有限公司 发电机定子的上漆方法以及插接工装

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB329739A (en) * 1929-03-12 1930-05-29 Ernest Barlow Improvements in laminated structures for dynamo-electric machines
US1771475A (en) * 1928-06-18 1930-07-29 Robbins & Myers Stator in electric motors and generators
US1980026A (en) * 1934-02-24 1934-11-06 Gen Electric Fabricated dynamo-electric machine
GB737825A (en) * 1953-06-19 1955-10-05 Gen Electric Co Ltd Improvements in or relating to resilient support arrangements for electric motors
US3807040A (en) * 1972-04-21 1974-04-30 Gen Electric Method of assembling a dynamoelectric machine stator
US6088905A (en) 1993-10-20 2000-07-18 General Electric Company Method for manufacturing a dynamoelectric machine
US6425176B1 (en) * 1999-08-26 2002-07-30 Honda Giken Kogyo Kabushiki Kaisha Method of securing a stator winding in a rotating electrical machine
DE102008007578A1 (de) 2008-02-05 2009-08-27 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Verfahren zur Befestigung eines Lagerschildes an einem Statorblechpaket sowie Stator für einen elektromotorischen Antrieb
US20120126641A1 (en) * 2010-11-22 2012-05-24 Aisin Aw Co., Ltd. Stator cooling device
JP2013135539A (ja) * 2011-12-27 2013-07-08 Fuji Heavy Ind Ltd 電動機、および、積層ステータ
DE102012017293A1 (de) * 2012-08-27 2014-02-27 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Elektrische Maschine für einen Kraftfahrzeug-Antriebsstrang
US20140091672A1 (en) * 2011-02-25 2014-04-03 Toshiba Industrial Products Manufacturing Corporation Method of manufacturing stator core and the stator core
EP2887507A1 (fr) 2013-12-18 2015-06-24 Siemens Aktiengesellschaft Imprégnation d'un stator d'une machine électrique
EP2899849A1 (fr) * 2012-09-18 2015-07-29 Meidensha Corporation Structure de fixation de stator
EP3035491A1 (fr) * 2013-11-08 2016-06-22 Samsung Electronics Co., Ltd. Moteur, son procédé de fabrication, et machine à laver

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1395742A (en) * 1971-05-18 1975-05-29 Skf Ind Trading & Dev Stators of electric motors and other rotary electric machines and a method of the manufacture of such stators
DE3818195A1 (de) * 1988-05-28 1989-12-07 Asea Brown Boveri Spindeln mit elektromotorischem einzelantrieb fuer eine spinnereimaschine
CN2555583Y (zh) * 2002-08-08 2003-06-11 张芳溥 一种高防潮的马达绕线定子浸漆结构
JP4858944B2 (ja) * 2005-12-27 2012-01-18 株式会社三井ハイテック 積層鉄心の製造方法
CN103051082B (zh) * 2012-12-30 2015-06-03 南车株洲电机有限公司 一种定子铁心固定结构及箱式电机
JP6137314B2 (ja) * 2013-07-12 2017-05-31 アイシン・エィ・ダブリュ株式会社 ワニス含浸装置及びワニス含浸方法
CN103683698B (zh) * 2013-12-05 2015-09-09 张学义 组合式磁极径向永磁恒压发电机的生产方法
CN204967442U (zh) * 2015-10-09 2016-01-13 南车株洲电机有限公司 一种电机

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1771475A (en) * 1928-06-18 1930-07-29 Robbins & Myers Stator in electric motors and generators
GB329739A (en) * 1929-03-12 1930-05-29 Ernest Barlow Improvements in laminated structures for dynamo-electric machines
US1980026A (en) * 1934-02-24 1934-11-06 Gen Electric Fabricated dynamo-electric machine
GB737825A (en) * 1953-06-19 1955-10-05 Gen Electric Co Ltd Improvements in or relating to resilient support arrangements for electric motors
US3807040A (en) * 1972-04-21 1974-04-30 Gen Electric Method of assembling a dynamoelectric machine stator
US6088905A (en) 1993-10-20 2000-07-18 General Electric Company Method for manufacturing a dynamoelectric machine
US6425176B1 (en) * 1999-08-26 2002-07-30 Honda Giken Kogyo Kabushiki Kaisha Method of securing a stator winding in a rotating electrical machine
DE102008007578A1 (de) 2008-02-05 2009-08-27 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Verfahren zur Befestigung eines Lagerschildes an einem Statorblechpaket sowie Stator für einen elektromotorischen Antrieb
US20120126641A1 (en) * 2010-11-22 2012-05-24 Aisin Aw Co., Ltd. Stator cooling device
US20140091672A1 (en) * 2011-02-25 2014-04-03 Toshiba Industrial Products Manufacturing Corporation Method of manufacturing stator core and the stator core
JP2013135539A (ja) * 2011-12-27 2013-07-08 Fuji Heavy Ind Ltd 電動機、および、積層ステータ
DE102012017293A1 (de) * 2012-08-27 2014-02-27 Getrag Getriebe- Und Zahnradfabrik Hermann Hagenmeyer Gmbh & Cie Kg Elektrische Maschine für einen Kraftfahrzeug-Antriebsstrang
EP2899849A1 (fr) * 2012-09-18 2015-07-29 Meidensha Corporation Structure de fixation de stator
EP3035491A1 (fr) * 2013-11-08 2016-06-22 Samsung Electronics Co., Ltd. Moteur, son procédé de fabrication, et machine à laver
EP2887507A1 (fr) 2013-12-18 2015-06-24 Siemens Aktiengesellschaft Imprégnation d'un stator d'une machine électrique

Also Published As

Publication number Publication date
CN110024263A (zh) 2019-07-16
DE102016224066A1 (de) 2018-06-07
EP3549236A1 (fr) 2019-10-09

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