WO2020253900A1 - Moteur électrique, pièce de moteur et procédé de fabrication d'une pièce de moteur - Google Patents

Moteur électrique, pièce de moteur et procédé de fabrication d'une pièce de moteur Download PDF

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Publication number
WO2020253900A1
WO2020253900A1 PCT/DE2020/100401 DE2020100401W WO2020253900A1 WO 2020253900 A1 WO2020253900 A1 WO 2020253900A1 DE 2020100401 W DE2020100401 W DE 2020100401W WO 2020253900 A1 WO2020253900 A1 WO 2020253900A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide element
wire
receiving component
wires
component
Prior art date
Application number
PCT/DE2020/100401
Other languages
German (de)
English (en)
Inventor
Norman BIEHLMAN
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2020253900A1 publication Critical patent/WO2020253900A1/fr

Links

Classifications

    • 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
    • H02K3/38—Windings characterised by the shape, form or construction of the insulation around winding heads, equalising connectors, or connections thereto
    • 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
    • H02K15/0056—Manufacturing winding connections
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/46—Fastening of windings on the stator or rotor structure
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto

Definitions

  • Electric motor motor component and method for manufacturing an engine component
  • the invention relates to a method for producing a wire-wound motor component assigned to an electric motor according to the preamble of claim 1.
  • the invention further relates to an engine component according to the preamble of claim 7 and an electric motor with such an engine component according to claim 10.
  • a wire-wound motor component of an electric motor is known from DE 10 2008 019 479 A1, for example. It describes a method for producing a stator or rotor of an electric motor with a distributed wave winding, in which two individually prefabricated, interwoven wire strands are wound one on top of the other. The wire strands are formed from parallel, evenly aligned wires with a rectangular cross-section and interwoven and inserted into the stator or rotor slots in the adjacent state as a cohesive wave winding.
  • the object of the present invention is to improve a method for producing an engine component.
  • the production should be easier, faster and cheaper.
  • the engine component should be cheaper and easier to manufacture.
  • an electric motor with a motor component should be easier and cheaper to manufacture.
  • At least one of these objects is achieved by a method for producing a wire-wound and an electric motor associated motor component with the characteristics according to claim 1.
  • the motor component can be designed as a rotor or as a stator of the electric motor.
  • the electric motor can be installed in a drive train of a motor vehicle. The electric motor can act as a drive element.
  • the receiving component can be designed as a laminated core.
  • the receiving component can have a plurality of circumferentially distributed grooves in which the wire winding is arranged.
  • the wire winding can be designed as a continuous hairpin winding.
  • the wire winding can be designed as a, in particular distributed, wave winding.
  • the wires can have a round cross-section, a rectangular cross-section, in particular a special square cross-section, or any geometrically-led cross-section.
  • the proposed method is not limited to a cross-sectional configuration.
  • the wires can all have the same cross section or at least two wires can have a different cross section. At least one, in particular each of the wires, can have a constant or variable cross section, in particular in the area of the wire winding on the receiving component.
  • the wires can consist of at least a first and a second wire.
  • the wires can have several circumferentially spaced wire pairs aufwei sen, each wire pair being formed by the first and second wire.
  • the first wire can have a first wire end and the second wire can have a second wire end.
  • the first and second wire can be arranged next to one another, in particular radially.
  • the first and second wire can be arranged directly next to one another.
  • the guide element can be designed as a switching ring.
  • the guide element can be designed as an annular disk arranged axially next to the receiving component.
  • the through openings can be aligned axially.
  • the guide element and the receiving component can be arranged coaxially.
  • the guide element can be made of plastic.
  • the guide element can have at least a first and a second through opening.
  • the first wire can be the first Through-opening and the second wire can be assigned to the second through-opening.
  • the first and second through openings can be arranged circumferentially and / or radially offset from one another.
  • the first and second through openings can be separated from one another by a spacer means.
  • the spacing means can have a spacing width.
  • the Ab stand means can, in particular radially and / or circumferentially, be arranged between the first and second wire.
  • the first and second wire can be arranged in the receiving component, in particular radially, directly on top of one another and in the region of the spacer at least by the spacing width, in particular radially and / or on the peripheral side, spaced from one another.
  • the first and second wire ends can be spaced apart from one another by the spacing means by the spacing width, in particular radially and / or circumferentially.
  • the contact area faces away from the receiving component in relation to the guide element, and electrical contact is made with the wire when the guide element is attached. Reliable electrical contact can thereby be achieved while maintaining the alignment of the wires.
  • the wires run through the through openings when the guide element is pushed onto the receiving component and are thereby separated.
  • each wire is assigned its own through opening. This allows the wires to be separated and spread open.
  • the through openings on the side of the guide element facing the receiving component are bevelled for aligning the wires with respect to the guide element via guide bevels.
  • the contacting area is arranged on the side of the guide element facing away from the guide bevels.
  • a Mo gate component for an electric motor is also proposed. The features specified above for the method and in particular relating to the device, the arrangement or the design of the components also apply accordingly to the proposed engine component.
  • the guide element is designed separately from the receiving component.
  • the wires can be separated and aligned when the guide element is arranged on the receiving component.
  • the guide element is designed as an annular disk, which is arranged axially next to the receiving component.
  • the wires can have a rectangular cross section.
  • a first wire and a second wire of the wires can be arranged directly on top of one another in the receiving component and spaced apart from one another in the region of the guide element.
  • the wire ends can be in electrical contact with one another on the side of the guide element facing away from the receiving component.
  • an electric motor with a motor component having at least one of the above features.
  • FIG. 1 A three-dimensional view of an engine component in a special embodiment of the invention.
  • Figure 2 A detail from Figure 1 in an enlarged view.
  • FIG. 3 A rear view of a guide element of an engine component in a further special embodiment of the invention.
  • FIG. 4 A detail from FIG. 3 in an enlarged view.
  • FIG. 5 A front view of the guide element from FIG. 3.
  • FIG. 6 A detail from FIG. 5 in an enlarged view.
  • FIG. 7 A partial step of a method for producing an engine component in a special embodiment of the invention.
  • FIG. 1 shows a three-dimensional view of an engine component 10 in a special embodiment of the invention and FIG. 2 shows a detail from FIG. 1 in an enlarged illustration.
  • the motor component 10 is designed as a stator 12 and is assigned to an electric motor, which furthermore comprises a rotor that can be rotated radially inside of the motor component 10.
  • the electric motor can be installed in a drive train of a motor vehicle and act as a drive element.
  • the motor component 10 comprises a receiving component 12 and a wire winding 14, which is arranged on the receiving component 12 and has a plurality of wires 16 which conduct electricity to generate a magnetic field, with respective wire ends 18.
  • the wires 16 have a rectangular cross section, which enables a high fill factor.
  • the wires 16 can be copper wires with a high electrical conductivity.
  • the wires 16 are arranged in grooves 20 in the receiving component 12.
  • the wire winding is designed here as a continuous hairpin winding, for example.
  • the wires 16 comprise a plurality of wire pairs 22 arranged at a distance from one another on the circumference, a wire pair 22 in each case being formed by a first wire 24 and a second wire 26.
  • the first wire 24 has a first wire end 28 and the second wire 26 has a second wire end 30.
  • the first and second wire 24, 26 are arranged radially directly next to one another.
  • An electrical Greie tion of the wire ends 18, in particular the directly adjacent first and second wire ends 28, 30 is difficult and expensive due to the cramped arrangement.
  • FIG. 3 shows a rear view of a guide element 32 of an engine component in a further special embodiment of the invention and FIG. 4 shows a detail from Figure 3 in an enlarged view.
  • the guide element 32 is assigned to the receiving component.
  • the guide element 32 is designed as an annular disk separate from the receiving component.
  • the guide element 32 is, for example, placed on the end face of the receiving component with the wire winding arranged.
  • the guide element 32 comprises a plurality of through openings 34, in which the wires of the wire winding can be guided through the guide element 32 when the guide element 32 is placed on the receiving component.
  • the through openings 34 are beveled on the side 36 of the guide element 32 facing the receiving component in order to align the wires with respect to the guide element 32 via guide bevels 37. As a result, a simple and reliable insertion of the wire ends into the through openings 34 can be made light.
  • the wires introduced into the guide element 32 can thus be spaced apart from one another and aligned with one another in the region of the guide element 32.
  • the through openings 34 extend axially through the guide element 32.
  • Each wire is assigned its own through opening 34.
  • a first wire can be assigned to a first through-opening 38 and a second wire, radially outside of the first wire and directly adjacent to it, can be assigned to a second through-opening 40.
  • the first and second through openings 38, 40 are arranged circumferentially and radially offset from one another.
  • the first and second through openings 38, 40 are separated from one another by a spacer 42, here by a web.
  • the spacer 42 has a spacing width from and is in particular arranged on the circumferential side between the first and second wire or between the first and second through opening 38, 40.
  • the first and second wire are arranged in the region of the spacer 42 at least circumferentially spaced from one another by the spacing width. As a result, the wire ends are spread apart in a contacting area adjoining the guide element 32 and can be electrically contacted with one another in a simple and reliable manner.
  • FIG. 5 shows a front view of the guide element 32 from FIG. 3 or FIG. 4 and FIG. 6 shows a detail from FIG. 5 in an enlarged illustration.
  • the through openings 34 run axially through the guide element 32 and extend axially between the entry bevels on the side facing the receiving component and outlet openings on the opposite side of the guide element 32 shown here.
  • FIG. 7 shows a partial step of a method 100 for lowering an engine component 10 in a special embodiment of the invention.
  • the motor component 10 is designed here as a stator of an electric motor.
  • the wire winding 14 arranged on the receiving component 12 comprises several wires 16 which conduct electricity to generate a magnetic field and have respective wire ends 18 which are electrically contacted with one another in a subsequent substep.
  • a guide element 32 is pushed in the axial direction A after arranging the wire winding 14 on the receiving component 12 and before contacting the wire ends 18, through which the wires 16 are guided and mutually aligned. If the guide element 32 is placed on the receiving component 12, the wires 16 in the area of the guide element 32 are spaced from one another and aligned with one another.
  • the wire ends 18 can be electrically contacted with one another simply and reliably in a subsequent substep in a contacting area adjoining the guide element 32.

Landscapes

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

Abstract

La présente invention concerne un procédé (100) de fabrication d'une pièce de moteur (10) bobinée avec des fils et associée à un moteur électrique, comprenant une pièce d'accueil (12) et un bobinage de fils (14) disposé sur la pièce d'accueil (12) et composé de plusieurs fils (16, 24, 26), conducteurs d'un courant électrique pour générer un champ magnétique, ayant des extrémités de fil (18) respectives qui sont contactées électriquement les unes avec les autres. Après l'agencement du bobinage de fils (14) sur la pièce d'accueil (12) et avant la mise en contact des extrémités de fil (18, 28, 30) est installé sur la pièce d'accueil (12) un élément de guidage (32) qui comprend des ouvertures de passage (34, 38, 40) dans lesquelles les fils (16, 24, 26) sont menés à travers l'élément de guidage (32). Au niveau de l'élément de guidage (32), les fils (16, 24, 26) sont écartés les uns des autres et orientés les uns par rapport aux autres, et les extrémités de fil (18, 28, 30) sont ensuite contactées électriquement les unes avec les autres dans une zone de mise en contact contiguë à l'élément de guidage (32). La présente invention concerne en outre une pièce de moteur (10) et un moteur électrique équipé d'une pièce de moteur (10) de ce genre.
PCT/DE2020/100401 2019-06-19 2020-05-12 Moteur électrique, pièce de moteur et procédé de fabrication d'une pièce de moteur WO2020253900A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019116599.7A DE102019116599A1 (de) 2019-06-19 2019-06-19 Elektromotor, Motorbauteil und Verfahren zur Herstellung eines Motorbauteils
DE102019116599.7 2019-06-19

Publications (1)

Publication Number Publication Date
WO2020253900A1 true WO2020253900A1 (fr) 2020-12-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2020/100401 WO2020253900A1 (fr) 2019-06-19 2020-05-12 Moteur électrique, pièce de moteur et procédé de fabrication d'une pièce de moteur

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Country Link
DE (1) DE102019116599A1 (fr)
WO (1) WO2020253900A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021208183A1 (de) * 2021-07-29 2023-02-02 Valeo Eautomotive Germany Gmbh Stator für eine elektrische Maschine, Verfahren zur Herstellung eines Stators elektrische Maschine für ein Fahrzeug und Verfahren zum Betreiben einer elektrischen Maschine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004027380A1 (de) * 2004-06-04 2005-12-29 Siemens Ag Elektrische Maschine mit einem Schaltungsträger
DE102008019479A1 (de) 2008-04-17 2009-10-29 Elmotec Statomat Vertriebs Gmbh Stator oder Rotor für elektrische Maschinen und Verfahren zu seiner Herstellung
US20130162072A1 (en) * 2011-12-26 2013-06-27 Asmo Co., Ltd. Method for manufacturing stator, apparatus for manufacturing stator, and stator
DE102015221843A1 (de) * 2015-11-06 2017-05-11 Volkswagen Aktiengesellschaft Verschaltungsanordnung zur elektrischen Verschaltung mehrerer Statordrähte mit angespritztem Dichtelement
DE102017100478A1 (de) * 2017-01-11 2018-07-12 Ebm-Papst Mulfingen Gmbh & Co. Kg Anordnung zur Wicklungsverschaltung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004027380A1 (de) * 2004-06-04 2005-12-29 Siemens Ag Elektrische Maschine mit einem Schaltungsträger
DE102008019479A1 (de) 2008-04-17 2009-10-29 Elmotec Statomat Vertriebs Gmbh Stator oder Rotor für elektrische Maschinen und Verfahren zu seiner Herstellung
US20130162072A1 (en) * 2011-12-26 2013-06-27 Asmo Co., Ltd. Method for manufacturing stator, apparatus for manufacturing stator, and stator
DE102015221843A1 (de) * 2015-11-06 2017-05-11 Volkswagen Aktiengesellschaft Verschaltungsanordnung zur elektrischen Verschaltung mehrerer Statordrähte mit angespritztem Dichtelement
DE102017100478A1 (de) * 2017-01-11 2018-07-12 Ebm-Papst Mulfingen Gmbh & Co. Kg Anordnung zur Wicklungsverschaltung

Also Published As

Publication number Publication date
DE102019116599A1 (de) 2020-12-24

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