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WO2018036903A1 - Moteur électrique destiné notamment à un dispositif d'entraînement d'une boîte de vitesses de confort dans un véhicule à moteur - Google Patents

Moteur électrique destiné notamment à un dispositif d'entraînement d'une boîte de vitesses de confort dans un véhicule à moteur Download PDF

Info

Publication number
WO2018036903A1
WO2018036903A1 PCT/EP2017/070852 EP2017070852W WO2018036903A1 WO 2018036903 A1 WO2018036903 A1 WO 2018036903A1 EP 2017070852 W EP2017070852 W EP 2017070852W WO 2018036903 A1 WO2018036903 A1 WO 2018036903A1
Authority
WO
WIPO (PCT)
Prior art keywords
shielding
electric motor
armature
motor according
brush holder
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/EP2017/070852
Other languages
German (de)
English (en)
Inventor
Laszlo Bakai
Stephan Scheurich
Jens BENECKE
Peter UNGVARI
Norbert SZUCS
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Priority to CN201780051684.XA priority Critical patent/CN109643931B/zh
Publication of WO2018036903A1 publication Critical patent/WO2018036903A1/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
    • H02K5/14—Means for supporting or protecting brushes or brush holders
    • H02K5/143—Means for supporting or protecting brushes or brush holders for cooperation with commutators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/01—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for shielding from electromagnetic fields, i.e. structural association with shields
    • H02K11/014—Shields associated with stationary parts, e.g. stator cores
    • H02K11/0141—Shields associated with casings, enclosures or brackets
    • 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

Definitions

  • Electric motor in particular for a gear drive device of a
  • the invention relates to an electric motor, in particular for a
  • Transmission drive device of a comfort drive in a motor vehicle according to the preamble of claim 1.
  • Such an electric motor is known from DE 10 2014 226 564 A1 of the Applicant.
  • the known electric motor is characterized in that arranged on a brush holder carbon brushes, the
  • the electric motor in particular for a transmission drive device of a
  • Comfort drive in a motor vehicle with the features of claim 1 has the advantage that optionally over the prior art optimized electromagnetic shielding or compatibility of the electric motor is achieved.
  • the invention is based on the idea known per se
  • Brush holder device optionally with a separate, with the
  • Brush holder means connectable component in the form of a shielding device which covers the cross section of the motor housing in the region of the frontal opening of the motor housing at least partially, wherein the carbon brushes are arranged on the armature side facing the shielding.
  • the shielding arranged in the cross-sectional plane of the motor housing in registration with the carbon brushes is. This proposal is based on the finding that the largest portion of the interfering electromagnetic radiation is generated in the transition region between the commutator and the carbon brushes serving to conduct current.
  • the shielding device is formed in the form of a stamped / bent part of sheet metal.
  • Shielding device provided that the shielding device in abutting contact with the metal motor housing (which is in the installed state to electrical ground) is arranged. Alternatively or additionally, it may also be provided that the
  • Bearing means is arranged for the anchor. In both cases mentioned, an electrical ground connection of the shielding device is made possible.
  • the contact contact via at least one integrally formed on the shielding portion, wherein the portion rests under elastic bias on the motor housing and / or the bearing means.
  • the attachment of the shielding to the brush holder device is preferably carried out by at least one clamping or latching portion which forms a clamping connection with the brush holder device.
  • a further preferred embodiment of the electric motor provides that the brush holder device consists of two modules, wherein the one
  • Brush carrier device regardless of the custom second module, each having the same first assembly.
  • such a configuration also makes the shielding device particularly safe and to position exactly in particular to the motor housing of the electric motor by the shielding arranged with a portion between the two modules and thus guided by the two modules or positioned and simultaneously held by positive engagement in position.
  • a further optimization of the shielding device with a view to the structural design of the brush holder device provides that the
  • Shielding means comprises a plurality of arranged in relation to the longitudinal direction of the armature at different levels shielding sections, which are connected to each other with a connecting portion.
  • Sensor element at least substantially completely covered.
  • the areas of the brush holder device in the region of the connector plug are covered by the shielding device, which are current-carrying.
  • Such a current guide exists for example by
  • Punched grid elements and electrical or electronic components which are connected to the brush holder device.
  • a shielding device causes a reduction of the antenna effect of the metallic or current-carrying elements.
  • the shielding device is hood-shaped and has a protruding toward the anchor, preferably peripheral edge. This edge also covers the inside of the connector with respect to the emission of radiation critical points of the current-carrying components or shields them from the side.
  • the shielding device On the one hand to enable a shielding device which is as compact as possible, and on the other hand to limit the emission of electromagnetic radiation spatially within the electric motor as far as possible, it is furthermore advantageous if the shielding device has several
  • Brush support means are adapted on the side facing away from the armature such that between the Ableabritten of the shielding and the second assembly, a contact contact or only a small distance is formed.
  • Fig. 1 is a side view of a transmission drive means for a
  • Fig. 2 is a perspective view of a portion of the
  • FIG. 3 is a perspective view of a brush holder device, as used in a gear drive device according to FIG. 1, with a first embodiment of a shielding element, FIG.
  • FIG. 5 is a perspective view of the brush holder device according to FIG. 3 with a shielding device modified with respect to FIG. 3
  • FIG. 6 is a perspective view of the shielding device according to FIG. 5 in an individual representation
  • Fig. 7 is a perspective view of a modified
  • Shielding device in which the shielding device completely covers the cross section of the brush holder device in a single representation
  • FIG. 8 shows the brush holder device and the shielding device according to FIG.
  • FIG. 9 is a longitudinal section through the arrangement of FIG .. 8
  • a transmission drive device 100 is shown as
  • a comfort drive is an example, and not limiting, a
  • the transmission drive device 100 consists essentially of a
  • Transmission drive device 100 is at least indirectly connected to the element to be adjusted (for example, a seat or a window pane).
  • the electric motor 10 has a motor housing 1 1, which is designed in the form of a so-called pole pot 12.
  • the motor housing 1 1 is formed by a deep-drawing operation of the existing of sheet metal pole pot 12.
  • an armature 15 is rotatably mounted with an armature shaft 16.
  • the bearing of the armature shaft 16 takes place by way of example in a cup-like portion of the
  • the armature 15 also has a rotatably mounted on the armature shaft 16 commutator 22, which in a known manner with the
  • Winding wires of the armature 15 is connected (not shown).
  • Commutator 22 is arranged in relation to the longitudinal axis 23 of the armature shaft 16 at the level of the brush holder device 20.
  • the commutator 22 cooperates with these pressing carbon brushes 24, 25, which are pressed in a known manner by spring elements against the outer periphery of the commutator 22 and arranged in the region of the brush holder device 20.
  • the brush holder device 20 which protrudes partially into the bottom region 17 opposite the frontal opening 26 of the pole pot 12, consists essentially of two assemblies 28, 29.
  • the first assembly 28 has a in
  • the support member 31 which serves the arrangement or attachment of the carbon brushes 24, 25.
  • the support member 31 has a peripheral wall 32 defining a receiving space 33 for the carbon brushes 24, 25, wherein the peripheral wall 32 is surrounded by the Poltopfwand 34 and is in abdichttar with this. Furthermore, the
  • Carrier member 31 has a through hole 35 through which the armature shaft 16 protrudes with a portion 36 (Fig. 2).
  • the section 36 has one
  • Gear section 37 which cooperates within the transmission housing 51 with the gear arranged there to drive this. Furthermore, a bearing receptacle 38 is formed in the region of the through hole 35, in whose
  • Area the second bearing device 21 is arranged.
  • the second assembly 29 of the brush holder device 20 has a likewise made of plastic and produced by injection molding
  • connection element 39 on which a custom connector 40 is integrally formed.
  • the custom connector 40 is contactable with a vehicle-side mating connector and is used for electrical control of the gear drive device 100 and the electric motor 10.
  • the connecting element 39 has a connection plate 41 on which by way of example a latching lug 42 is formed, with a counter-recess or Similarly, on the support member 31 of the first assembly 28 a
  • connection element 39 also has a passage opening 44, which is arranged concentrically to the passage opening 35 in the carrier element 31, and through which the armature shaft 16 projects with the section 36.
  • connection plate 41 furthermore has an outer edge region 45 which, on the one hand, projects beyond the peripheral wall 32 of the carrier element 31 laterally or on the outer circumference, and, on the other hand, has slots 46, 47 and 48 which lie between the inner side of the edge region 45 and the outer side of the peripheral wall 32 run (Fig. 3 and 5).
  • the brush holder device 20 can optionally be equipped with a shielding device 60.
  • the shielding device 60 has a shielding element 61, 61 a made of sheet metal, designed as a stamped / bent part.
  • Shielding 61, 61 a is such to the motor housing 1 1 in the region of
  • the discernible in FIGS. 3 and 4 shielding 61 covers the opening 26 of the pole pot 12 and des
  • the shielding element 61 has two parallel and in relation to the longitudinal axis 23 of the armature shaft 16 spaced-apart shielding sections 62, 63, which are connected without gaps to each other via a perpendicular to the longitudinal axis 23 connecting portion 64. It can be seen from a combination of FIGS. 3 and 4 that the shielding element 61 has a centrally arranged through-opening 65 through which on the one hand the connecting element 39 protrudes with an approximately annular extension 66 made of plastic, and which on the other hand surrounds the armature shaft 16. Furthermore, the one
  • Shielding portion 62 has a peripheral edge 67 which terminates at least almost flush with the plane of the shield 63. Both at the
  • Edge 67, as well as on the shielding portion 63 are further formed in the direction of the pole pot 12 out contact portions 68, 69 having a protruding from the plane of the contact portions 68, 69, slots 70
  • Shielding portion 63 projecting Verrastungszunge 72 which the latching of the shielding 61 on the extension 66 of
  • Connection element 39 is used (FIG. 3). Also, a further contact portion 73 is integrally formed on the shielding portion 63, which protrudes through a slot 74 of the extension 66 and in abutting contact with the second
  • Bearing device 21 is arranged (Fig. 2), wherein by a corresponding, formed in the manner of a spring shape of the contact portion 73 of the
  • the first assembly 28 is inserted into the pole pot 12.
  • the anchor 15 is already within the
  • the shielding member 61a shown in Figs. 5 and 6 differs from the shielding member 61 in that only one shielding portion 63a is provided, but not one from another plane with respect to
  • the shielding 61 a covers the cross section of the opening 26 of the pole pot 12 only partially, and it is preferably provided as in the shielding 61 preferably that the shielding 61, 61 a with respect to a perpendicular to the Longitudinal axis 23 arranged cross-sectional plane of the pole pot 12, the carbon brushes 24, 25 overlap.
  • the shielding device 60 is shown using a modified shielding element 61 b.
  • the shielding 61 b is at least substantially hood-shaped and has a
  • the contact section 73b lies axially on the second
  • Shielding sections 81 to 83 which is adapted to the on the side facing away from the armature 15 contour 85 of the second assembly 29, that between the individual Ableabroughen 81 to 83 and the shielding 61 b and the contour 85 is either a direct investment contact , or only a small distance is formed.
  • Brush holder device 20 is at least almost completely covered.
  • the shielding section 81 is designed in the form of an annular bead, which conforms to the extension 66 of the brush holder device 20.
  • the shielding portion 83 completely covers the cross section of the connector plug 40.
  • the shielding element 61b also has an edge 87 extending in the direction of the armature 15, which shields the connector plug 40 at least in places laterally.
  • Connector plug 40 different contact elements 88 or electrical or electronic components 89 are arranged, which are energized, and which are covered by the hood-shaped shielding 61 b.
  • Shielding portion 81 an opening 90 is formed, which serves the arrangement sensor element 91.
  • the sensor element 91 is in particular, a Hall sensor which cooperates with a arranged on the armature 15, ring magnets, not shown.
  • the mounting order of the electric motor 10 and the brush holder device 20 b when using the shielding 61 b differs from the mounting sequence when using the shielding 61, 61 a, that according to the illustration of FIG. 7, first, the two assemblies 28, 29 of the brush holder device 20 with each other be connected or locked. Subsequently, the shielding member 61 b is connected to the second assembly 29 by passing from the shielding 61 b in the direction of the second assembly 29 projecting on opposite sides arranged two contact portions 69 through the slots 46 on the second assembly 29 and the contact portions 69 in Contact with the
  • Motor housing 1 1 (not shown) are brought.

Landscapes

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

Abstract

La présente invention concerne un moteur électrique (10) destiné notamment à un dispositif d'entraînement (100) d'une boîte de vitesses de confort dans un véhicule à moteur, comprenant un carter moteur (11) dans lequel un induit (15) est monté rotatif, l'induit (15) présentant un commutateur (22) qui coopère avec un dispositif porte-balais (20) qui présente des balais charbon (24, 25) et qui est disposé dans la zone d'une ouverture frontale (26) du carter moteur (11), les balais charbon (24, 25) étant entourés par le carter moteur (11) dans un plan qui s'étend perpendiculairement à un axe longitudinal (23) de l'induit (15).
PCT/EP2017/070852 2016-08-23 2017-08-17 Moteur électrique destiné notamment à un dispositif d'entraînement d'une boîte de vitesses de confort dans un véhicule à moteur Ceased WO2018036903A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201780051684.XA CN109643931B (zh) 2016-08-23 2017-08-17 电动马达、用于机动车中的舒适驱动器的传动机构驱动装置

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102016215734.5 2016-08-23
DE102016215734 2016-08-23
DE102016222572.3 2016-11-16
DE102016222572.3A DE102016222572A1 (de) 2016-08-23 2016-11-16 Elektromotor, insbesondere für eine Getriebeantriebseinrichtung eines Komfortantriebs in einem Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2018036903A1 true WO2018036903A1 (fr) 2018-03-01

Family

ID=61167064

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/070852 Ceased WO2018036903A1 (fr) 2016-08-23 2017-08-17 Moteur électrique destiné notamment à un dispositif d'entraînement d'une boîte de vitesses de confort dans un véhicule à moteur

Country Status (3)

Country Link
CN (1) CN109643931B (fr)
DE (1) DE102016222572A1 (fr)
WO (1) WO2018036903A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020205151A1 (de) * 2020-04-23 2021-10-28 Robert Bosch Gesellschaft mit beschränkter Haftung Antriebsvorrichtung für ein Fahrzeug und Fahrzeug
DE102021214052A1 (de) 2021-12-09 2023-06-15 Volkswagen Aktiengesellschaft Elektrische Kontaktanordnung zwischen einem Bolzen oder einer Schraube und zwei übereinander angeordneten Kabelschuhen, Bauteil mit Bolzen und Kabelschuh
DE102021214282A1 (de) 2021-12-14 2023-06-15 Robert Bosch Gesellschaft mit beschränkter Haftung Elektrische Maschine mit einem elektrischen Schleifkontakt sowie Verfahren zum Herstellen einer solchen

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152295A (en) * 1983-12-14 1985-07-31 Mabuchi Motor Co Cover plate
DE102007007248A1 (de) * 2007-02-14 2008-08-21 Wabco Gmbh Bürstenkommutierter Elektromotor
DE102008000887A1 (de) * 2008-03-31 2009-10-01 Robert Bosch Gmbh Entstörvorrichtung für das Kommutierungssystem eines Gleichstrommotors
DE102010062034A1 (de) * 2010-11-26 2012-05-31 Robert Bosch Gmbh Schirmungsanordnung für einen bürstenkommutierten Elektromotor sowie Stellgeber mit einem Elektromotor
US20130088108A1 (en) * 2010-05-28 2013-04-11 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft Electric motor
DE102014226564A1 (de) 2014-12-19 2016-06-23 Robert Bosch Gmbh Verfahren zur Einstellung der Lage des Magnetfelds eines Magnetelements in einem Elektromotor und Getriebe-Antriebseinrichtung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006042604A1 (de) * 2006-09-11 2008-03-27 Robert Bosch Gmbh Kommutierungsvorrichtung für einen Gleichstrommotor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2152295A (en) * 1983-12-14 1985-07-31 Mabuchi Motor Co Cover plate
DE102007007248A1 (de) * 2007-02-14 2008-08-21 Wabco Gmbh Bürstenkommutierter Elektromotor
DE102008000887A1 (de) * 2008-03-31 2009-10-01 Robert Bosch Gmbh Entstörvorrichtung für das Kommutierungssystem eines Gleichstrommotors
US20130088108A1 (en) * 2010-05-28 2013-04-11 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft Electric motor
DE102010062034A1 (de) * 2010-11-26 2012-05-31 Robert Bosch Gmbh Schirmungsanordnung für einen bürstenkommutierten Elektromotor sowie Stellgeber mit einem Elektromotor
DE102014226564A1 (de) 2014-12-19 2016-06-23 Robert Bosch Gmbh Verfahren zur Einstellung der Lage des Magnetfelds eines Magnetelements in einem Elektromotor und Getriebe-Antriebseinrichtung

Also Published As

Publication number Publication date
CN109643931A (zh) 2019-04-16
CN109643931B (zh) 2021-06-22
DE102016222572A1 (de) 2018-03-01

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