WO2008061956A1 - Servomoteur, notamment pour un véhicule automobile - Google Patents

Servomoteur, notamment pour un véhicule automobile Download PDF

Info

Publication number
WO2008061956A1
WO2008061956A1 PCT/EP2007/062500 EP2007062500W WO2008061956A1 WO 2008061956 A1 WO2008061956 A1 WO 2008061956A1 EP 2007062500 W EP2007062500 W EP 2007062500W WO 2008061956 A1 WO2008061956 A1 WO 2008061956A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
unit
actuator
control unit
transmission housing
Prior art date
Application number
PCT/EP2007/062500
Other languages
German (de)
English (en)
Inventor
Helmut Schneider
Original Assignee
Brose Fahrzeugteile Gmbh & Co. Kg, Würzburg
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 Brose Fahrzeugteile Gmbh & Co. Kg, Würzburg filed Critical Brose Fahrzeugteile Gmbh & Co. Kg, Würzburg
Publication of WO2008061956A1 publication Critical patent/WO2008061956A1/fr

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
    • H02K5/148—Slidably supported brushes
    • 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
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/38—Control circuits or drive circuits associated with geared commutator motors of the worm-and-wheel type
    • 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
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
    • H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel

Definitions

  • the invention relates to an actuator with a motor unit and a transmission unit.
  • the motor unit has a commutator mounted on the motor shaft.
  • the gear unit has a gear housing made of plastic, which is produced by means of an injection molding process. It is arranged a brush system for contacting the commutator between the motor unit and the gear unit.
  • the invention also relates to a use of the actuator in a motor vehicle.
  • Actuators such as Window lift drives or sunroof drives have long been known.
  • a brush housing having the brush system is pushed onto the motor shaft via the commutator and firmly connected to the motor unit.
  • the brush housing can already be accommodated a motor shaft bearing through which the motor shaft is guided.
  • the motor unit together with the brush housing is then inserted into a corresponding opening in the transmission housing, so that the motor shaft for driving the transmission unit can engage in a gear inside the transmission unit.
  • the gear unit has a worm wheel, which is driven by a worm shaft seated on the motor shaft.
  • the gear unit may comprise a spur gear, a bevel gear or a planetary gear.
  • the motor unit usually consists of a Motorgekoru- se, a brush housing and a rotor.
  • Known brush housings have an existing plastic housing, in which other components can be accommodated, such as power lines, carbon brushes or suppression elements.
  • the runner is preferably designed as a rotor package with a plurality of louvers mounted on the motor shaft.
  • the actuator can be electrically connected via an outward-guided plug or an outward-guided socket.
  • the currently known actuators usually have three or four main components, that is, the motor unit, the brush system, the transmission unit and possibly a control unit.
  • the latter can be omitted with technically simpler actuators.
  • the control unit comprises electrical and electronic components for adjusting the direction of motor rotation, such as e.g. a relay, or temperature sensors on. It can e.g. have a microcontroller for controlling and monitoring the actuator.
  • the brush system in the injection molding process for the production of the transmission housing is at least partially encapsulated by the plastic of the transmission housing.
  • This integration of the brush system into the gear housing advantageously increases the degree of integration of such a positioning drive.
  • the actuator according to the invention consists only of the two main components motor unit and gear / brush unit. This advantageously reduces the overall assembly effort for the actuator. It advantageously reduces the size of the gear housing and the actuator. In addition, the total weight of the actuator is reduced.
  • the actuator has a control unit connected to the brush system. The control unit is in the injection molding process for the production of the transmission housing partially or completely encapsulated with the plastic of the transmission housing.
  • the components of the brush system and the components of the control unit, or at least a part of the components and components, are thereby inserted into the injection mold for the transmission housing and encapsulated during molding with molding material, in particular plastic.
  • molding material in particular plastic.
  • the carbon brushes of the brush system can be kept free from the molding compound by appropriate partitions or separation chambers provided in the mold.
  • the molding compound is typically a thermoplastic such as e.g. Polyethylene or polyamide.
  • the integration of the brush system and the control unit on a printed circuit board advantageously reduces the number of contact points.
  • the reliability of the actuator increases.
  • the control unit may alternatively be used in a corresponding recess or in a corresponding cavity in the gear housing of the actuator.
  • the recess or the cavity can be used in the shaping of the injection molding Tool or the injection mold of the gear housing are taken into account.
  • webs, frames or receiving openings for receiving and fixing the aforementioned components and components may be formed during the injection molding of the gear housing.
  • At least a part of the components of the brush system and at least a part of the components of the control unit are arranged on a common printed circuit board. It is at least a part of the circuit board during injection molding of the transmission housing with umspritzbar.
  • the circuit board is advantageously used as a carrier of the aforementioned components and components.
  • the printed circuit board in particular for technically more sophisticated control units, for electrical connection of the components and components with each other.
  • the current guides of the brush system are mounted on the circuit board and soldered there.
  • the respective free end of the Stromstockedun- gene is ever a brush, in particular a carbon brush, the
  • the current leads can be conductively connected via further conductor tracks with interference suppression elements, such as chokes or capacitors, which are likewise arranged on the printed circuit board.
  • the current leads can furthermore be conductively connected to a relay for switching the direction of rotation of the motor or to a power output of a switching transistor or a microcontroller.
  • At least a part of the assembled printed circuit board, but preferably the entire printed circuit board, is encapsulated with the injection molding of the gear housing. Areas of the circuit board that are not to be overmoulded, such as the contacting area to the commutator of the motor unit, can by appropriate, provided in the mold
  • the gear housing is designed at least in two parts. At least one gear is received between the housing parts of the transmission housing.
  • the brush system and possibly the control unit can be encapsulated with the injection molding of one of the housing parts of the transmission housing.
  • the particular two-part design of the gear housing allows in a simple manner the inclusion of the gear components of the gear unit, such. a gear, a worm wheel, a dome or a pot bearing.
  • the two housing parts of the gear housing may be formed so that they can be permanently joined together after receiving the gear components by means of locks or clips.
  • the brush system and optionally the control unit can be injected by means of a lead-frame method during injection molding of the gear housing.
  • a so-called "Lead Frame” conductive stamped part
  • the components and components of the brush housing and the control unit are placed on the lead frame and then encapsulated with the lead frame method in addition to the placement of the components and components on the printed circuit board.
  • a connector or a connection socket during injection molding of the transmission housing can be molded with.
  • the degree of integration of the actuator is further increased.
  • connection pins or the connection contacts of the plug or the socket can be part of the lead frame described above.
  • the current leads of the injected brush system are electrically connected directly to the terminal contacts of the connector or the socket.
  • the electrical connections can e.g. be electrical leads, wires or conductive frame parts of the lead frame.
  • the power guides are connected to corresponding inputs on the circuit board of the control unit.
  • the actuator according to the invention can be used in a motor vehicle, in particular in a passenger car or a truck.
  • the actuator serves as a drive unit for motor vehicle windows or for opening and closing a motor vehicle sliding roof.
  • FIG. 2 shows an example of an actuator according to the invention in a perspective view in elevation
  • FIG 3 shows the actuator according to FIG 2 in a further perspective view.
  • 1 shows an example of an actuator 1 according to the prior art in a perspective view.
  • the actuator 1 has a motor unit 2 and a gear unit 3.
  • the motor shaft and a commutator mounted on the motor shaft are not recognizable in this illustration.
  • the gear unit 3 has a gear housing 6 made of plastic, which is produced by means of an injection molding process.
  • an output 14 can be seen, which is e.g. can serve to drive a window lifting mechanism of a motor vehicle.
  • mounting holes for attaching the actuator 1 to body parts of the motor vehicle can be seen.
  • the transmission housing 6 shown in FIG. 1 forms a transmission-side connecting flange 12 approximately at the center of the image. At these a designated by the reference numeral 13 Motoran gleichflansch the motor unit 2 is attached. In the example of FIG 1, the motor unit 2 is screwed by means of the fastening screws 16 shown fixed to the transmission housing 6.
  • a combined control / brush unit 9 is further seen, which is composed of a brush system 7 and a control unit 8.
  • the control unit 8 has a housing 19 for accommodating the components of the control unit 8.
  • the control unit 8 is screwed tightly to the transmission housing 6 by means of the fastening screws 17 shown.
  • the contact pins of the connector 10 are designated by the reference numeral 11.
  • the brush system 7 is mechanically and electrically connected via a connecting web, which is not visible in the present illustration, in which electrical connecting lines run from the control unit 8 to the brush system 7 Control unit 8 connected.
  • the brush system 7 is received in a brush housing not further described. In the example of FIG. 1, only a part of the brush housing can be seen as a narrow web between the motor and gearbox side connection flange 13, 12. The rest of the brush housing is housed inside the motor unit 2 and therefore not visible.
  • FIG. 2 shows by way of example an actuator 1 according to the invention in a perspective view in elevation.
  • the motor shaft 4 is mounted by way of example in a cap 18 and in a pot bearing 24.
  • the motor shaft 4 further has a toothing 23 designed as a worm shaft, which is in engagement with a worm wheel 25.
  • a brush system 7 is encapsulated in the transmission housing 6.
  • a control unit 8 in the transmission housing 6 is already encapsulated.
  • control unit 8 may be housed in a recess and in a cavity in the transmission housing 6.
  • FIG 2 further shows, at least a portion of the components 17 of the brush system 7 and at least a portion of the components 10, 11, 21, 22 of the control unit 8 are arranged on a common printed circuit board 20. It is at least a part of the circuit board 20 during injection molding of the transmission housing 6 with molded. In the example of FIG. 2, all components 17 and components 10, 11, 21, 22 are arranged on the printed circuit board 20.
  • a microcontroller chip on the circuit board 20 is exemplified. It serves to control the control unit 8.
  • the reference numeral 22, a relay for switching the direction of rotation of the motor unit 2 is designated.
  • the circuit board 20 is completely encapsulated by way of example in the transmission housing 6.
  • the carbon brushes th which are each attached to a free end of the current guides 17, and a part of the current guides 17, however, are not molded around.
  • the gear housing 6 may further be designed at least in two parts, in which case at least one gear 25 of the gear unit 3 is received between the housing parts of the gear housing 6. It may be the brush system 7 and optionally the control unit 8 during injection molding of one of the housing parts of the transmission housing 6 with encapsulated. You can, for example by means of a lead-frame method during injection molding of the gear housing 6 and the housing parts to be encapsulated.
  • the transmission housing 6 is made in two parts.
  • the two housing parts can then also be referred to as the upper shell and lower shell of the transmission housing.
  • the transmission housing 6 may alternatively comprise a plurality of housing parts, such as e.g. three or four.
  • FIG 3 shows the actuator 1 according to FIG 2 in a further perspective view.
  • the connector 10 may also be sprayed as part of the gear housing 6 for electrical connection of the actuator 1 during injection molding of the gear housing 6 with.
  • the actuator 1 consequently has only two main components, namely the motor unit 2 and the gear unit 3 with the brush housing 7 integrated in the gearbox housing 6 and optionally with the control unit 8 integrated in the gearbox housing 6. After injection molding, the brush housing 7 and optionally the control unit 8 undetachably firmly connected to the transmission housing 6.
  • One of the- Like transmission unit can also be considered as a transmission / brush unit 3, 7 or as a transmission / control / brush unit 3, 7, 8.
  • the actuator 1 according to the invention is particularly useful in a motor vehicle, e.g. in a passenger car or truck, usable. It is preferably used to drive a window lifter or a sunroof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

Servomoteur (1) présentant une unité de motorisation (2) et une unité de transmission (3). L'unité de motorisation (2) présente un collecteur (5) fixé sur l'arbre de moteur (4). L'unité de transmission (3) présente un boîtier de transmission (6) en matière plastique, qui est fabriqué par moulage par injection. Un système de balais (7) pour la mise en contact du collecteur (5) est disposé entre l'unité de motorisation (2) et l'unité de transmission (3). Selon l'invention, le système de balais (7) est conjointement enrobé par la matière plastique du boîtier lors du moulage par injection du boîtier de transmission (6). Selon une forme de réalisation, le servomoteur (1) présente une unité de commande (8) qui est reliée au système de balais (7) et qui est conjointement incorporée lors du moulage par injection du boîtier de transmission (6).
PCT/EP2007/062500 2006-11-22 2007-11-19 Servomoteur, notamment pour un véhicule automobile WO2008061956A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006055159.1 2006-11-22
DE102006055159A DE102006055159A1 (de) 2006-11-22 2006-11-22 Stellantrieb, insbesondere für ein Kraftfahrzeug

Publications (1)

Publication Number Publication Date
WO2008061956A1 true WO2008061956A1 (fr) 2008-05-29

Family

ID=39111285

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/062500 WO2008061956A1 (fr) 2006-11-22 2007-11-19 Servomoteur, notamment pour un véhicule automobile

Country Status (2)

Country Link
DE (1) DE102006055159A1 (fr)
WO (1) WO2008061956A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008030004A1 (de) * 2008-06-24 2009-12-31 Mahle International Gmbh Aktuator
DE102008030006A1 (de) * 2008-06-24 2009-12-31 Mahle International Gmbh Aktuator
DE102008030005A1 (de) * 2008-06-24 2009-12-31 Mahle International Gmbh Aktuator
WO2011098378A1 (fr) 2010-02-12 2011-08-18 Mahle International Gmbh Dispositif d'entraînement
EP2815866B1 (fr) 2013-06-19 2015-11-18 Mabuchi Motor Co., Ltd. Reducteur et son procédé de fabrication

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013209233A1 (de) * 2013-05-17 2014-11-20 Robert Bosch Gmbh Kontaktierungskomponente für ein Antriebsmodul, Antriebsmodul sowie Verfahren zur Herstellung einer Kontaktierungskomponente

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5965239A (en) * 1996-06-19 1999-10-12 Itt Manufacturing Enterprises, Inc. Plastics housing
EP1251604A2 (fr) * 2001-04-19 2002-10-23 Jidosha Denki Kogyo Kabushiki Kaisha Balais pour un moteur à collecteur
US20030178908A1 (en) * 2002-03-22 2003-09-25 Yoshinobu Hirano Brush holder and manufacturing method thereof
EP1453182A2 (fr) * 2003-02-26 2004-09-01 Robert Bosch Gmbh Porte-balais integré dans le carter en plastique d'une boíte de vitesse

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2735918B1 (fr) * 1995-06-21 1997-07-18 Valeo Equip Electr Moteur Alternateur de vehicule automobile equipe d'un regulateur de tension muni d'un composant noye par surmoulage et plaque porte-balai munie d'un tel composant
DE19710015A1 (de) * 1997-03-12 1998-09-17 Bosch Gmbh Robert Motor mit Drehzahlabgriff über einen Hall-Sensor
DE19749457C2 (de) * 1997-11-10 2002-01-24 Schunk Motorensysteme Kohlehalteranordnung
DE19858627A1 (de) * 1998-12-18 2000-06-21 Bosch Gmbh Robert Stellantrieb mit einem Elektromotor und mit einer Steuerelektronik
DE202005004435U1 (de) * 2005-03-18 2005-06-16 Bühler Motor GmbH Elektrischer Antrieb

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5965239A (en) * 1996-06-19 1999-10-12 Itt Manufacturing Enterprises, Inc. Plastics housing
EP1251604A2 (fr) * 2001-04-19 2002-10-23 Jidosha Denki Kogyo Kabushiki Kaisha Balais pour un moteur à collecteur
US20030178908A1 (en) * 2002-03-22 2003-09-25 Yoshinobu Hirano Brush holder and manufacturing method thereof
EP1453182A2 (fr) * 2003-02-26 2004-09-01 Robert Bosch Gmbh Porte-balais integré dans le carter en plastique d'une boíte de vitesse

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008030004A1 (de) * 2008-06-24 2009-12-31 Mahle International Gmbh Aktuator
DE102008030006A1 (de) * 2008-06-24 2009-12-31 Mahle International Gmbh Aktuator
DE102008030005A1 (de) * 2008-06-24 2009-12-31 Mahle International Gmbh Aktuator
WO2011098378A1 (fr) 2010-02-12 2011-08-18 Mahle International Gmbh Dispositif d'entraînement
DE102010007785A1 (de) 2010-02-12 2011-08-18 MAHLE International GmbH, 70376 Antriebsvorrichtung
EP2815866B1 (fr) 2013-06-19 2015-11-18 Mabuchi Motor Co., Ltd. Reducteur et son procédé de fabrication

Also Published As

Publication number Publication date
DE102006055159A1 (de) 2008-05-29

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