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WO2013037409A1 - Moteur électrique d'une transmission hybride, comprenant des sorties de câble sur une surface circonférentielle radiale, et axe électrique d'un entraînement hybride - Google Patents

Moteur électrique d'une transmission hybride, comprenant des sorties de câble sur une surface circonférentielle radiale, et axe électrique d'un entraînement hybride Download PDF

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Publication number
WO2013037409A1
WO2013037409A1 PCT/EP2011/065949 EP2011065949W WO2013037409A1 WO 2013037409 A1 WO2013037409 A1 WO 2013037409A1 EP 2011065949 W EP2011065949 W EP 2011065949W WO 2013037409 A1 WO2013037409 A1 WO 2013037409A1
Authority
WO
WIPO (PCT)
Prior art keywords
electric motor
housing
stator
opening
cable
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/EP2011/065949
Other languages
German (de)
English (en)
Inventor
Markus Klinger
Fritz Wiesinger
Tomas Smetana
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.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and 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 and Co KG filed Critical Schaeffler Technologies AG and Co KG
Priority to PCT/EP2011/065949 priority Critical patent/WO2013037409A1/fr
Publication of WO2013037409A1 publication Critical patent/WO2013037409A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • 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
    • H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
    • H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Definitions

  • Electric motor of a hybrid transmission having cable outlets on a radial peripheral surface and electrical axis of a hybrid drive
  • the invention relates to an electric motor of a motor vehicle, such as a pure electric vehicle or a hybrid vehicle, with a housing in the interior of which a stator is present, via a designed for conducting electrical current component, a connection to the stator and a housing-external component, such as Converter, is realized, and the housing has at least one opening for performing the designed for conducting electrical current component.
  • Such electric motors are used in motor vehicles, such as hybrid vehicles and pure electric-powered motor vehicles, such as cars, trucks or other land-based vehicles.
  • motor vehicles such as hybrid vehicles and pure electric-powered motor vehicles, such as cars, trucks or other land-based vehicles.
  • electric motors are used to reduce fuel consumption of internal combustion engines or as an alternative to internal combustion engines.
  • a field of application of such electric motors is, for example, an axle hybrid module.
  • the design can also be used in electric axes, for example, in an all-wheel-drive arrangement and / or a longitudinal arrangement.
  • the electric motors whose torque provided by them is supplied to a differential, supplied with electric current and control pulses.
  • the current and the control pulses are connected via cable, for example via one or more power cables on the one hand, and one or more sensor cables on the other hand, for example, temperature sensor cables and coordinate converter cables, which are connected to a resolver.
  • a known prior art is known for example from US 7 884 5 1. There, it is disclosed that a cable of a re- solver which exits only at an axial surface is guided radially upwards after a deflection.
  • cables exit axially from the Statorverguss. They are additionally fastened in the housing by means of screw connections. These fittings are used to strain relief and sealing of the cables.
  • the corresponding cable itself is cut to length as required and depending on the distance to a converter and provided with a plug at the end of the cable.
  • the cables must be routed in an arc to the converter in the event of an axial exit.
  • bending radius can be relatively large. According to the usual manufacturer's instructions, the bending radii are to be kept four times as large as the possible ca- bel diemesser.
  • the cable diameter is, for example, 17 mm, a minimum permissible bending radius is 68 mm. This bend can be both outside and inside the housing. In any case, it consumes a relatively large amount of axial space.
  • a cable guide outside the housing also has the problem that the cables are guided relatively close to rotating thru axles.
  • the opening is provided on a radial peripheral surface of the housing.
  • the housing has a cooling ring for dissipating heat occurring in the region of the stator and the opening is present on a radial peripheral surface of the cooling ring.
  • the component designed to conduct electrical current such as the power cable, is led radially outward through recesses on the cooling ring and holes in the cable flange before casting the stator. Before casting these are with Fixed cable glands. In this way, the designed to conduct electrical power component can save space and trouble-prone laying.
  • the opening is present at an axial end of the housing. In such an embodiment, the opening can be easily realized as a recess. Cutting or non-cutting manufacturing processes can then be used cost-effectively.
  • the opening When the opening is formed as a rounded slot and extends to an axial end of the housing, the component designed to conduct electrical current can be laid in a particularly suitable location and the opening can be quickly introduced during manufacture. If there is a multitude of openings, not only power cables but also sensor cables, temperature sensor cables, resolver cables and similar cables can be routed to a suitable location. It is advantageous if the openings are positioned close to each other, so for example. In a 60 ° segment on the circumference of the housing. The manufacturing work can then be simplified.
  • the component is a cable, such as a power, sensor, temperature sensor and / or supply cable or is designed as a plug. Especially in the design of a plug, the assembly and disassembly in the vehicle can be facilitated.
  • An advantageous embodiment is also characterized in that the formed as a power cable, for conducting electrical power from laid component and the stator are completely surrounded by the housing formed of potting material.
  • the manufacturing process of the electric motor can also be simplified if the power cable is connected to the stator by a crimp connection, in particular in the area of cable windings.
  • the invention also relates to an electric axle of a hybrid drive with an electric motor as explained above according to the invention.
  • FIG. 1 shows a cross section through an electric motor according to the invention in FIG. 1
  • Fig. 2 is a view from the side of the electric motor of Fig. 1, wherein the
  • FIGS. 1 and 2 are a perspective view of the electric motor of FIGS. 1 and 2,
  • Fig. 4 is a singular perspective view of a cooling ring of the housing of the electric motor, as it is visualized in Figs. 1 to 3 and
  • Fig. 5 shows a variant of the connection of a for conducting electrical
  • FIG. 1 a first inventive electric motor 1 is shown.
  • This electric motor 1 is used in a hybrid vehicle, in an axle hybrid module.
  • the electric motor has a housing 2.
  • the housing 2 is made of cast material, such as light metal.
  • the housing 2 has an interior 3 and an exterior 4.
  • a stator 5 In the interior 3 of the housing 2, a stator 5 is arranged.
  • the stator 5 interacts electromagnetically with a rotor and sets a shaft 6 to be detected in FIG. 2 in motion.
  • the shaft 6 rotates about a rotation axis 7 extending through it.
  • a cooling ring 8 is present outside of the stator 5. Through the housing 2 and the cooling ring 8 9 openings 10 extend at a radial peripheral surface. These openings 10 are also clearly visible in Fig. 4.
  • a converter is positioned, which is connected to the stator via an electrical current-conducting component 1 1.
  • the openings 10 are formed as slots and each take a Kabeflansch 12.
  • the openings 10 are located above a radial peripheral surface of the stator 5.
  • the openings 10 are further introduced at an axial end 13 in the housing 2.
  • the openings 10 are formed as rounded slots extending from the axial end 13 of the cooling ring 8 extending in the longitudinal direction of the cooling ring 8.
  • the openings 10 thus protrude through an outer housing layer and the cooling ring 8 arranged radially within it.
  • the cooling ring 8 has ribs 14 on its outer side. Between a corresponding housing portion 15 and the cooling ring 8 2 cooling channels 16 are formed in the installed state of the cooling ring 8 in the interior of the housing 3.
  • the housing section 15 can also be understood as an outer housing or outer housing layer. It is also possible for the cooling ring 8 to be an integral part of the housing 2, in particular of the housing section 15.
  • the apertures 10 are juxtaposed in a plane orthogonal to the longitudinal axis of the housing 2, and oriented such that components passing therethrough for directing electrical current in the same direction. This similar orientation is particularly good in FIGS. 2 and 3 can be seen.
  • a variant is shown in which a power connector is realized by means of a mounting box 17 which is plugged into the cable flange 12, wherein a plug 18 partially surrounds the socket to ultimately electrical contact between the stator 5 and the designed to conduct electrical power component 1 1, which is designed as a power cable 19, ensure.
  • the inserted plug 18 additionally integrates a strain relief function and a sealing function. In this way, there are advantages in packaging, especially in terms of cable management and it can be saved axial space. LIST OF REFERENCE NUMBERS

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

L'invention concerne un moteur électrique (1) d'un véhicule automobile, tel qu'un simple véhicule électrique ou un véhicule hybride, comprenant un boîtier (2) à l'intérieur (3) duquel est disposé un stator (5). Une liaison avec le stator (5) et un élément extérieur au boîtier, tel qu'un convertisseur, est établie par un élément (11) configuré pour conduire du courant électrique, et le boîtier (2) comporte au moins une ouverture (10) destinée à faire passer l'élément (11) configuré pour conduire du courant électrique. L'ouverture (10) est disposée sur une surface circonférentielle radiale (9) du boîtier (2). L'invention concerne également un axe électrique d'un entraînement hybride doté d'un tel moteur électrique (1).
PCT/EP2011/065949 2011-09-14 2011-09-14 Moteur électrique d'une transmission hybride, comprenant des sorties de câble sur une surface circonférentielle radiale, et axe électrique d'un entraînement hybride Ceased WO2013037409A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/065949 WO2013037409A1 (fr) 2011-09-14 2011-09-14 Moteur électrique d'une transmission hybride, comprenant des sorties de câble sur une surface circonférentielle radiale, et axe électrique d'un entraînement hybride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2011/065949 WO2013037409A1 (fr) 2011-09-14 2011-09-14 Moteur électrique d'une transmission hybride, comprenant des sorties de câble sur une surface circonférentielle radiale, et axe électrique d'un entraînement hybride

Publications (1)

Publication Number Publication Date
WO2013037409A1 true WO2013037409A1 (fr) 2013-03-21

Family

ID=44651792

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2011/065949 Ceased WO2013037409A1 (fr) 2011-09-14 2011-09-14 Moteur électrique d'une transmission hybride, comprenant des sorties de câble sur une surface circonférentielle radiale, et axe électrique d'un entraînement hybride

Country Status (1)

Country Link
WO (1) WO2013037409A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015176705A1 (fr) * 2014-05-20 2015-11-26 Schaeffler Technologies AG & Co. KG Enveloppe réfrigérante robuste, à espace de montage optimisé pour une machine électrique
WO2015176704A1 (fr) * 2014-05-20 2015-11-26 Schaeffler Technologies AG & Co. KG Chemise de refroidissement à encombrement optimisé pour machine électrique
WO2015176703A1 (fr) * 2014-05-20 2015-11-26 Schaeffler Technologies AG & Co. KG Enveloppe réfrigérante à espace de montage optimisé avec nervure de séparation présentant un élément de retenue pour une machine électrique
WO2019081054A1 (fr) * 2017-10-26 2019-05-02 Franz Wölfer Elektromaschinenfabrik Osnabrück, Gesellschaft Mit Beschränkter Haftung Moteur électrique muni d'un double refroidissement
WO2020216508A1 (fr) * 2019-04-23 2020-10-29 Zf Friedrichshafen Ag Machine électrique dotée d'un corps en matière plastique
WO2020216506A1 (fr) * 2019-04-23 2020-10-29 Zf Friedrichshafen Ag Machine électrique dotée d'un corps en matière plastique
EP3799274A1 (fr) * 2019-09-30 2021-03-31 Robert Bosch GmbH Dispositif d'entraînement électrique pour un véhicule et véhicule
DE102020119590A1 (de) 2020-07-24 2022-01-27 Schaeffler Technologies AG & Co. KG Gehäuse für einen Elektromotor und elektrische Antriebseinheit

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0541380U (ja) * 1991-11-07 1993-06-01 株式会社前川製作所 水冷密封型モータ
DE4417432A1 (de) * 1993-05-28 1994-12-01 Steyr Daimler Puch Ag Flüssigkeitsgekühlte Antriebseinheit für ein Elektromobil
US5491370A (en) * 1994-01-28 1996-02-13 General Motors Corporation Integrated AC machine
JP2000102221A (ja) * 1998-09-25 2000-04-07 Hitachi Ltd 制御装置一体形回転電機
WO2008132177A2 (fr) * 2007-04-30 2008-11-06 Siemens Aktiengesellschaft Moteur électrique muni d'un dispositif de raccordement intégré dans la chemise réfrigérante
US20100259118A1 (en) * 2007-12-06 2010-10-14 Toyota Jidosha Kabushiki Kaisha Vehicle drive device
US7884511B2 (en) 2007-11-13 2011-02-08 Honda Motor Co., Ltd. Motor-type power device
DE102009051881A1 (de) * 2009-11-04 2011-05-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kühlvorrichtung für eine Elektromaschinenanordnung

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0541380U (ja) * 1991-11-07 1993-06-01 株式会社前川製作所 水冷密封型モータ
DE4417432A1 (de) * 1993-05-28 1994-12-01 Steyr Daimler Puch Ag Flüssigkeitsgekühlte Antriebseinheit für ein Elektromobil
US5491370A (en) * 1994-01-28 1996-02-13 General Motors Corporation Integrated AC machine
JP2000102221A (ja) * 1998-09-25 2000-04-07 Hitachi Ltd 制御装置一体形回転電機
WO2008132177A2 (fr) * 2007-04-30 2008-11-06 Siemens Aktiengesellschaft Moteur électrique muni d'un dispositif de raccordement intégré dans la chemise réfrigérante
US7884511B2 (en) 2007-11-13 2011-02-08 Honda Motor Co., Ltd. Motor-type power device
US20100259118A1 (en) * 2007-12-06 2010-10-14 Toyota Jidosha Kabushiki Kaisha Vehicle drive device
DE102009051881A1 (de) * 2009-11-04 2011-05-05 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Kühlvorrichtung für eine Elektromaschinenanordnung

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015176705A1 (fr) * 2014-05-20 2015-11-26 Schaeffler Technologies AG & Co. KG Enveloppe réfrigérante robuste, à espace de montage optimisé pour une machine électrique
WO2015176704A1 (fr) * 2014-05-20 2015-11-26 Schaeffler Technologies AG & Co. KG Chemise de refroidissement à encombrement optimisé pour machine électrique
WO2015176703A1 (fr) * 2014-05-20 2015-11-26 Schaeffler Technologies AG & Co. KG Enveloppe réfrigérante à espace de montage optimisé avec nervure de séparation présentant un élément de retenue pour une machine électrique
WO2019081054A1 (fr) * 2017-10-26 2019-05-02 Franz Wölfer Elektromaschinenfabrik Osnabrück, Gesellschaft Mit Beschränkter Haftung Moteur électrique muni d'un double refroidissement
WO2020216508A1 (fr) * 2019-04-23 2020-10-29 Zf Friedrichshafen Ag Machine électrique dotée d'un corps en matière plastique
WO2020216506A1 (fr) * 2019-04-23 2020-10-29 Zf Friedrichshafen Ag Machine électrique dotée d'un corps en matière plastique
CN113678348A (zh) * 2019-04-23 2021-11-19 采埃孚股份公司 具有塑料体的电动机器
US12126240B2 (en) 2019-04-23 2024-10-22 Zf Friedrichshafen Ag Electric machine having a plastic body
EP3799274A1 (fr) * 2019-09-30 2021-03-31 Robert Bosch GmbH Dispositif d'entraînement électrique pour un véhicule et véhicule
DE102020119590A1 (de) 2020-07-24 2022-01-27 Schaeffler Technologies AG & Co. KG Gehäuse für einen Elektromotor und elektrische Antriebseinheit

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