EP1935077A1 - Moteur electrique a balais a marteau - Google Patents

Moteur electrique a balais a marteau

Info

Publication number
EP1935077A1
EP1935077A1 EP06806732A EP06806732A EP1935077A1 EP 1935077 A1 EP1935077 A1 EP 1935077A1 EP 06806732 A EP06806732 A EP 06806732A EP 06806732 A EP06806732 A EP 06806732A EP 1935077 A1 EP1935077 A1 EP 1935077A1
Authority
EP
European Patent Office
Prior art keywords
electric motor
housing part
circuit board
hammer
armature
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.)
Withdrawn
Application number
EP06806732A
Other languages
German (de)
English (en)
Inventor
Thomas Huck
Stefan Hornung
Diyap Bueyuekasik
Lars-Dirk Anding
Tarek Mili
Armin Niederer
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
Publication of EP1935077A1 publication Critical patent/EP1935077A1/fr
Withdrawn legal-status Critical Current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
    • H02K5/145—Fixedly supported brushes or brush holders, e.g. leaf or leaf-mounted brushes
    • 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
    • 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
    • H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
    • 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
    • H02K11/02—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for suppression of electromagnetic interference
    • H02K11/026—Suppressors associated with brushes, brush holders or their supports
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/66—Structural association with auxiliary electric devices influencing the characteristic of, or controlling, the machine, e.g. with impedances or switches
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49009—Dynamoelectric machine

Definitions

  • the invention relates to an electric motor with hammer brushes and a method for producing such, in particular for adjusting moving parts in the motor vehicle, according to the preamble of the independent claims.
  • the electric motor according to the invention and its manufacturing method with the characterizing feature of the independent claims have the advantage that the hammer brushes can be positioned more accurately with respect to the commutator by the storage of the hammer brush directly in a housing part which also supports the armature of the electric motor.
  • the hammer brushes are completely independent of the Printed circuit board or a brush holder component inserted in receptacles which are integrally formed in the housing part. By decoupling the hammer brushes from the circuit board, the latter can be very easily varied in their shape and their equipment, without the support of the hammer brushes must be adjusted. As a result, in particular the sensor or different connector terminals easier
  • the motor housing can therefore be realized very easily and inexpensively by means of two housing shells, which are very easy to seal against each other.
  • the hammer brushes can be clamped in the housing part in a particularly simple manner by means of a clamping element which is arranged on the hammer brush. As a result, no additional connection means are necessary.
  • the hammer brush is simply inserted, for example, with a locking toothing in the receptacle of the housing part and locked therein.
  • the hammer brush can be inserted in a simple process to an end stop in the recording and is simultaneously reliably fixed by the clawing of the teeth.
  • the hammer brush has a male contact, which is oriented such that at the Monatag the circuit board of the male is inserted into a corresponding opening of the circuit board. In this case, a mechanical connection to the hammer brush is created with the assembly process of the circuit board.
  • the hammer brush is also electrically contacted with the assembly of the printed circuit board at the same time reliably by means of press-fit technology. This eliminates soldering or other contacting methods.
  • the male contact has the necessary mechanical stability, this is advantageously made of a different material than the spring clip. Then, the male contact may be connected to the spring clip in a simple manner by means of rivets or welding before mounting the hammer brush.
  • latching toothing is formed directly in one piece together with the plug-in contact.
  • the locking teeth is then also formed of a harder material than the corresponding counter surface of the receptacle, in which the locking teeth can then better intervene.
  • the fastening element is securely fixed on the one hand, and the spring clip with the coal can simultaneously protrude from the latter opening to abut the commutator.
  • the receptacle has a guide rail on which the hammer brush can be pushed into a latching position.
  • a guide element is used in particular the male member which engages for example through a gap of the guide rail.
  • the electric motor has two hammer brushes which are arranged on both sides of the armature shaft
  • the printed circuit board can receive both male members directly when the printed circuit board extends tangentially over the commutator.
  • the coals are on a very short electrical path directly to the
  • a sensor system can be positioned at the same time very favorable directly to the armature shaft.
  • Circuit board made by means of guide pins all electrical contacts, so that additional contacting processes omitted.
  • a carbon wire can be fastened to the carbon brush, which contacts the latter directly with the plug-in contact electrical. This has the additional advantage that can be machanically dampened by the way the attachment of the carbon wire of the spring clip.
  • the carbon brushes are inserted radially to the armature so that the spring clips extend in the axial direction, wherein the coals are shaped in particular by means of chamfers such that they occupy their optimal spring-loaded position when pushed onto the commutator.
  • Figure 1 and Figure 2 show two different exemplary embodiments of a hammer brush according to the invention
  • Figure 3 shows a further variant in the installed state
  • Figure 4 shows the hammer brush according to Figure 1 in the installed state
  • Figure 5 shows the assembly process of the electric motor according to the invention.
  • FIG. 1 shows a hammer brush 12, in which a coal 13 is mechanically and electrically connected to a spring clip 14.
  • the hammer brush 12 further comprises a male contact 16, which is connected to the spring clip 14, for example by means of rivets 15 or by means of welding or another connection method.
  • the spring clip 14 is made of spring steel, or of Cu or CuBe material, so that the coal 13 is electrically connected via the spring clip 14 with the male contact 16.
  • the coal 13 is for example in Figure 1 on the
  • a fastener 26 is further arranged, which has a plurality of locking teeth 28, which cling to the insertion into a receptacle 30 of a lower housing part 32.
  • the fastener 26 is in this embodiment made in one piece from the same material as the male contact 16, for example, made as a bending stamped part of a copper plate.
  • the hammer brush 12 has, for example, four fastening elements 26, which all extend approximately perpendicular to the plane of the spring clip 14. During assembly of the hammer brush 12, the spring clip 14 then extends approximately parallel to a counter-surface 52 of the latching toothing 28, as can be seen in FIG.
  • the hammer brush 12 is shown in Figure 1 in the assembled state after it has been inserted into the receptacle 30 of the lower housing part 32.
  • an armature shaft 36 is mounted with an armature 38 arranged thereon and a commutator 40 by means of bearings 35.
  • the armature shaft 36 has, as drive element 42, a worm 43 which, for example, has an output element 44 a movable part adjusted in the vehicle.
  • the receptacles 30 are formed directly in the lower housing part 32 on both sides of the armature shaft 36, which are formed as open pockets 46.
  • the hammer brushes 12 are introduced in the mounting direction 50 radially to the armature shaft 36 in frontal openings 48 of the receptacles 30.
  • the spring clip 14 with the carbon 13 protrude through a lateral gap 49 from the receptacle 30 out.
  • the spring clip 14 extend from the receptacle 30 in the axial direction 51 to the commutator 40.
  • FIG. 5 shows the same electric motor 10 as FIG. 4 in the next assembly step.
  • plug pins 58 are arranged in the area of a connector plug 56, whose plug-in areas 60 likewise extend in the mounting direction 50.
  • the printed circuit board 24 is now pushed in the radial direction 50 with its centering holes 52 on corresponding guide pins 64 of the lower housing part 32.
  • both the plug-in contacts 16 of the hammer brush 12, as well as the insertion portions 60 of the connector pins 58 are pressed into corresponding holes 22 of the circuit board 24 by means of press-fitting.
  • the printed circuit board 24 extends tangentially to the commutator 40 and completely covers it in the tangential direction 53.
  • a speed sensor 66 such as a Hall IC 67 is further arranged such that it is directly opposite to a
  • Signal transmitter 68 for example, a ring magnet 69 of the armature shaft 36 is positioned.
  • circuit board 24 On the circuit board 24 other components 65, such as relays, capacitors, diodes, Entstörimplantation and a microprocessor are arranged.
  • the printed circuit board 24 also has a recess 70, through which after mounting the upper housing part 34, not shown, the bearing 35 in the lower housing shell 32nd is pressed.
  • the upper housing part 34 rests after its mounting in the radial direction 50 directly to a seal 72 of the lower housing part 32, so that the two housing parts 32, 34 completely surround the electric motor 10 with the adjoining transmission 42, 44.
  • FIG. 2 shows a further exemplary embodiment of a hammer brush 12 according to the invention is shown, in which the coal 13 is inserted into the spring clip 14.
  • the coal 13 has a connection element 74, which electrically connects the coal 13 to the spring clip 14. Additionally or alternatively, the coal 13 is connected directly to the male contact 16 of the hammer brush 12 by means of a pigtail 76. Rejects that
  • Hammer brush 12 a pigtail 76, a bad electrical conductor can be used for the spring clip 14.
  • the carbon fiber 76 may be secured such that the hammer brush 12 is mechanically damped.
  • the Verastvertechnikung 28 is formed in the region between the spring clip 14 and the male contact 16, which is in the plane of the
  • Spring clip 14 extends.
  • the plug-in contact 16 in turn has a press-in zone 18, which is formed by two spring webs 20 which enclose an eyelet 21.
  • Such a hammer brush 12 can also be inserted into a receptacle 30, not shown, of a housing part 32 of the electric motor 10, wherein the Verastvertechnikung 28 jammed in the receptacle 30.
  • FIG. 3 shows a further embodiment of a hammer brush 12, in which the coal 13 is arranged in a formation 77 of the spring clip 14.
  • the spring clip 14 is formed here, for example, in one piece with the plug-in contact 16 and the fastening element 26.
  • the plug-in contacts 16 extend in this embodiment through the guide rail 80, so that the circuit board 24 from the other side of the guide rail 80 with the plug-in 16 is connected.
  • the spring clips 14 do not extend axially relative to the armature shaft 36, but tangentially to the commutator 40.
  • the specific configuration of the fastening elements 26 and their connection to the spring clip 14 can be varied.
  • the hammer brushes 12 can also be fixed by means of the Verast leopardung 28 with other connecting means.
  • the shape and the connection of the plug-in contacts 16, the corresponding housing geometry and the printed circuit board 24 used of the electric motor 10 can be adapted.
  • the configuration of the receptacles 30 and their mating surfaces 52 in the lower housing part 32 depends on the specific mounting geometry of the electric motor 10.
  • the electric motor according to the invention is preferably used for the adjustment of windows or other moving parts in the motor vehicle, wherein the housing preferably consists of two half-shells 30, 32.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Motor Or Generator Frames (AREA)
  • Motor Or Generator Current Collectors (AREA)
  • Manufacture Of Motors, Generators (AREA)

Abstract

L'invention concerne un moteur électrique (10) et un procédé de production correspondant, servant notamment à déplacer des pièces mobiles dans une automobile. Ledit moteur comprend un commutateur (36) monté sur un induit (38), ledit commutateur étant mis en contact électrique par l'intermédiaire de balais à marteau (12). L'induit (38) est entouré par une partie inférieure de carter (32) et par une partie supérieure de carter (34), qui peuvent être réunies dans le sens radial (50) par rapport à l'induit (38). Les balais à marteau (12) présentent dans chaque cas un élément de fixation (26), qui entre directement dans une cavité (30) de la partie inférieure ou de la partie supérieure du carter (32, 34).
EP06806732A 2005-09-30 2006-08-16 Moteur electrique a balais a marteau Withdrawn EP1935077A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005047428A DE102005047428A1 (de) 2005-09-30 2005-09-30 Elektromotor mit Hammerbürsten
PCT/EP2006/065365 WO2007039341A1 (fr) 2005-09-30 2006-08-16 Moteur electrique a balais a marteau

Publications (1)

Publication Number Publication Date
EP1935077A1 true EP1935077A1 (fr) 2008-06-25

Family

ID=37561132

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06806732A Withdrawn EP1935077A1 (fr) 2005-09-30 2006-08-16 Moteur electrique a balais a marteau

Country Status (6)

Country Link
US (1) US7893592B2 (fr)
EP (1) EP1935077A1 (fr)
JP (1) JP2009510987A (fr)
KR (1) KR101017859B1 (fr)
DE (1) DE102005047428A1 (fr)
WO (1) WO2007039341A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5773585B2 (ja) * 2009-06-29 2015-09-02 日東電工株式会社 発光性トリアリール
US9837776B2 (en) 2013-07-11 2017-12-05 Mitsuba Corporation Electric motor
KR101586213B1 (ko) * 2014-06-09 2016-01-18 (주)보쉬전장 축방향 형태 햄머 브러쉬 장치
DE102015122095A1 (de) * 2015-12-17 2017-06-22 Valeo Systèmes d'Essuyage Anschlusseinheit für einen Wischermotor für Scheibenwischanlagen und Wischermotor
DE102016222563A1 (de) * 2016-11-16 2018-05-17 Robert Bosch Gmbh Elektrische Maschine
DE102017213083A1 (de) * 2017-07-28 2019-01-31 Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft, Würzburg Elektromotor mit einem durch ein Blattfederelement ausgebildeten Bürstenhalter
DE102019213762A1 (de) * 2019-09-10 2021-03-11 Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg Bürstensystem

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
JPS459695Y1 (fr) * 1967-03-01 1970-05-07
JPS52118208A (en) * 1976-03-31 1977-10-04 Hitachi Ltd Small size motor
JPS6152462A (ja) * 1984-08-20 1986-03-15 Aisin Warner Ltd 直結クラツチ付自動変速機の油圧制御装置
JPS6257568U (fr) * 1985-09-26 1987-04-09
JPS63176359A (ja) * 1987-01-16 1988-07-20 東京窯業株式会社 ジルコニアグリ−ンシ−トの製造方法
JPH10108402A (ja) * 1996-09-30 1998-04-24 Jidosha Denki Kogyo Co Ltd 小型モータ
JP2000324767A (ja) * 1999-05-12 2000-11-24 Honda Motor Co Ltd モータおよび前後輪駆動車両
JP3390721B2 (ja) * 2000-03-09 2003-03-31 第一電子工業株式会社 Ｃ形コンプライアントコンタクト
US6400058B1 (en) * 2000-08-01 2002-06-04 Primax Electronics Ltd. Universal motor with reduced EMI characteristics
GB0020519D0 (en) * 2000-08-21 2000-10-11 Johnson Electric Sa End cap assembly
KR100785257B1 (ko) * 2001-03-17 2007-12-13 로베르트 보쉬 게엠베하 액추에이터 및 그 조립 방법
JP4159263B2 (ja) * 2001-04-19 2008-10-01 株式会社ミツバ モータ
JP2002325400A (ja) * 2001-04-27 2002-11-08 Matsushita Electric Ind Co Ltd 小型直流モータ
DE50306121D1 (de) * 2003-10-29 2007-02-08 Siemens Ag Bürstenträger für einen elektromotorischen Stellantrieb und elektromotorischer Stellantrieb
DE10352234A1 (de) 2003-11-08 2005-06-09 Robert Bosch Gmbh Elektromotor, insbesondere zum Verstellen beweglicher Teile im Kraftfahrzeug

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2007039341A1 *

Also Published As

Publication number Publication date
KR20080051149A (ko) 2008-06-10
WO2007039341A1 (fr) 2007-04-12
US20090134743A1 (en) 2009-05-28
US7893592B2 (en) 2011-02-22
JP2009510987A (ja) 2009-03-12
DE102005047428A1 (de) 2007-04-05
KR101017859B1 (ko) 2011-03-04

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