EP1388195A1 - Actuating drive and method for assembling an actuating drive - Google Patents

Actuating drive and method for assembling an actuating drive

Info

Publication number
EP1388195A1
EP1388195A1 EP01921210A EP01921210A EP1388195A1 EP 1388195 A1 EP1388195 A1 EP 1388195A1 EP 01921210 A EP01921210 A EP 01921210A EP 01921210 A EP01921210 A EP 01921210A EP 1388195 A1 EP1388195 A1 EP 1388195A1
Authority
EP
European Patent Office
Prior art keywords
housing
brush holder
circuit board
printed circuit
electronics
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Withdrawn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
EP01921210A
Other languages
German (de)
French (fr)
Inventor
Michael C. Mueller
Peter Steuer
Robert Heitz
Stefan Kolmorgen
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 EP1388195A1 publication Critical patent/EP1388195A1/en
Withdrawn legal-status Critical Current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
    • 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
    • H02K11/02—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
    • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
    • 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
    • H02K5/14—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
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R39/00—Rotary current collectors, distributors or interrupters
    • H01R39/02—Details for dynamo electric machines
    • H01R39/38—Brush holders

Definitions

  • the invention is based on an actuator or a method for assembling an actuator.
  • AI shows a drive device in which a brush holder is formed in one piece with a plug receptacle. This is then attached to a printed circuit board.
  • a commutator gear drive unit is known from EP 0 474 904 B1, in which a brush holder and a plug are arranged separately from one another on a printed circuit board.
  • the disadvantage of these devices is that the manufacturing process is very complex and therefore expensive.
  • the fixed connection of the brush holder and printed circuit board has the disadvantage that an exact simultaneous tolerance adjustment of the brush holder with carbon brushes to the commutator and printed circuit board with switching elements, for example Hall elements, which each have different system interfaces, is very difficult.
  • the actuator according to the invention and the method according to the invention for assembling an actuator with the characterizing features of claims 1 and 10 have the advantage over the prior art that the manufacturing process is simplified in a simple manner and operational reliability is improved, and mechanical loads are reduced.
  • Fastening the brush holder to the housing has the advantage that the brush holder is decoupled from the circuit board and mechanical vibrations of the motor are not transmitted to the circuit board.
  • the circuit board is fixed in the housing in an advantageous manner in that elastic pressure elements are arranged on the lower part of the housing, because the circuit board is thereby not rigidly attached to the housing.
  • FIG. 1 shows an actuator in an exploded view
  • Figure 2 is a brush holder
  • Figure 3 shows a brush holder, a circuit board and a
  • Figure 1 shows an actuator 1.
  • the actuator 1 has an electric motor 3, which is housed in a motor housing 6.
  • the electric motor 3 consists, among other things, of a stator and a rotor, the shaft 19 of which protrudes from the motor housing 6.
  • the motor housing 6 is connected to a housing 9 into which the shaft 19 projects.
  • the housing 9 comprises a gear housing 12 and an electronics housing 15.
  • the housing 9 has at least one upper part and at least one lower part.
  • the gear housing 12 accordingly has at least one upper part 23 and at least one lower part 24.
  • the electronics housing 15 also has at least one upper part 26 and at least one lower part 27.
  • the lower part 24 of the gear housing 12 and the lower part 27 of the electronics housing are made in one piece. This can also be designed accordingly for other individual parts of the housing 9.
  • at least a part e.g. an electronics housing top 26 and a
  • Transmission housing upper part 23 can be made in one piece with the motor housing 6.
  • Plug contacts 34 which are parts of a plug 37, are connected to a printed circuit board 31.
  • the circuit board 31 also carries electrical components of motor electronics, which are not shown here.
  • a brush holder 41 is coupled to the printed circuit board 31 by means of latching hooks 43.
  • the brush holder 41 is arranged, for example, in the area of the electronics housing 15.
  • a gear 47 is still inserted in the gear housing 12.
  • the shaft 19 of the electric motor 3 acts on the gear 47.
  • FIG. 2 shows an underside of the brush holder 14, which faces the printed circuit board 31 directly in the installed state.
  • the brush holder 41 has, for example, four in this example
  • the brush holder 41 further includes brushes 62 (Fig.
  • interference suppressors 54 here for example electrical choke coils, are arranged in the brush holder, their electrical
  • Connection lines or wires 51 from the bottom of the Stick out the brush holder 41 In the installed state of the brush holder 41 and printed circuit board 31, these connecting lines or wires 51 protrude, for example, through the printed circuit board 31 and are soldered on one side of the printed circuit board 31.
  • Figure 3 shows the brush holder 41, the circuit board 31 and the housing 9 in cross section.
  • the cross section through the actuator 1 runs here perpendicular to the shaft 19.
  • a commutator 58 is fastened on the shaft 19, on which brushes 62 engage for the transmission of current.
  • the brushes 62 are arranged in the brush holder 41.
  • Connection lines or wires 51 of the electrical interference suppression element 54 project, for example, through the printed circuit board 31 and are electrically connected to the printed circuit board 31 by means of a soldering point 65.
  • the electrical connecting lines or wires 51 have so much play that they can be passed through the printed circuit board 31 without voltage, for example.
  • a screw 68 connects the upper housing part 23, 26 and the lower housing part 24, 27 to one another and clamps the brush holder 41 between the housing parts. With this fastening, the latching hooks 43 lift off and no longer engage on the printed circuit board 31.
  • the brush holder 41 has fixing pins 72, which each engage in a corresponding recess 73 in the housing 9.
  • the printed circuit board 31 is fixed to another part of the housing 9 by means of elastic pressure elements 77 which are fastened to one part of the housing 9.
  • the assembly of an actuator 1 is described below.
  • the electric motor 3 is, for example, already in the prefabricated state.
  • the upper part 23, 26 of the housing 9 is then attached to the motor housing 6. As a result, the shaft 19 of the electric motor 3 projects into the transmission housing
  • circuit board 31 with, for example
  • Locking hook 43 loosely coupled to the printed circuit board 31
  • Brush holder 41 is guided.
  • Brush holder 61 encompass the commutator 58
  • Brush holder 41 is thereby centered on commutator 58.
  • the circuit board 31 is independent of the centering of the
  • the circuit board 31 is made by elastic pressure elements

Abstract

An actuating drive according to prior art comprises a plug contact arranged on a printed circuit board, and a brush holder which is not arranged on the printed circuit board, but is electrically connected thereto, the disadvantage of one such system being that it requires additional electrical connections. In the inventive actuating drive (1), the brush holder (41) is detachably coupled to the printed circuit board (31) and is fixed to the housing (9) in such a way that electrical connections from the brush holder (41) and the printed circuit board (31) can be easily created without the use of additional means.

Description

Stellantrieb bzw. Verfahren zur Montage eines StellantriebsActuator or method for assembling an actuator
Stand der TechnikState of the art
Die Erfindung geht aus von einem Stellantrieb bzw. eines Verfahrens zur Montage eines Stellantriebs nach der Gattung des Anspruchs 1 bzw. 10.10. The invention is based on an actuator or a method for assembling an actuator.
Aus der EP 0 865 148 AI ist ein Kommutatormotor mit Motorbetriebssensor bekannt, bei dem ein Stecker auf einer Leiterplatine angeordnet ist. Ein Bürstenhalter ist getrennt von der Leiterplatine ausgebildet .From EP 0 865 148 AI a commutator motor with motor operating sensor is known, in which a plug is arranged on a printed circuit board. A brush holder is formed separately from the circuit board.
Die DE 198 051 85 AI zeigt eine Antriebsvorrichtung, bei der ein Bürstenhalter einstückig mit einer Steckeraufnahme ausgebildet ist . Dieser ist dann auf einer Leiterplatine angebracht .DE 198 051 85 AI shows a drive device in which a brush holder is formed in one piece with a plug receptacle. This is then attached to a printed circuit board.
Aus der EP 0 474 904 Bl ist eine Kommutator-Getriebe- Antriebseinheit bekannt, bei der ein Bürstenhalter und ein Stecker getrennt voneinander auf einer Leiterplatine angeordnet sind. Diese Vorrichtungen haben zum Nachteil, dass der Fertigungsprozess sehr aufwendig und damit kostenintensiv ist. Weiterhin hat die feste Verbindung von Bürstenhalter und Leiterplatine den Nachteil, dass eine genaue gleichzeitige Toleranzabstimmung von Bürstenhalter mit Kohlebürsten zum Kommutator und Leiterplatine mit Schaltelementen, z.B. Hallelementen, die jeweils unterschiedliche Systemschnittstellen haben, sich sehr schwierig gestaltet.A commutator gear drive unit is known from EP 0 474 904 B1, in which a brush holder and a plug are arranged separately from one another on a printed circuit board. The disadvantage of these devices is that the manufacturing process is very complex and therefore expensive. Furthermore, the fixed connection of the brush holder and printed circuit board has the disadvantage that an exact simultaneous tolerance adjustment of the brush holder with carbon brushes to the commutator and printed circuit board with switching elements, for example Hall elements, which each have different system interfaces, is very difficult.
Ausserdem macht diese feste Verbindung ein Justieren erforderlich.In addition, this fixed connection requires adjustment.
Vorteile der ErfindungAdvantages of the invention
Der erfindungsgemässe Stellantrieb bzw. das erfindungsgemässe Verfahren zur Montage eines Stellantriebs mit den kennzeichnenden Merkmalen des Anspruchs 1 bzw. 10 hat dem gegenüber den Vorteil, dass auf einfache Art und Weise der Fertigungsprozess vereinfacht und die Betriebssicherheit verbessert wird, sowie mechanische Belastungen verringert werden.The actuator according to the invention and the method according to the invention for assembling an actuator with the characterizing features of claims 1 and 10 have the advantage over the prior art that the manufacturing process is simplified in a simple manner and operational reliability is improved, and mechanical loads are reduced.
Durch die in den abhängigen Ansprüchen 2 bis 9 bzw. 11 aufgeführten Massnahmen bzw. Verfahrensschritte sind vorteilhafte Weiterbildungen und Verbesserungen des im Anspruch 1 genannten Stellantriebs bzw. des im Anspruch 10 genannten Verfahrens zur Montage eines Stellantriebs möglich.The measures or method steps listed in the dependent claims 2 to 9 or 11 make possible advantageous developments and improvements of the actuator mentioned in claim 1 or the method mentioned in claim 10 for assembling an actuator.
Es ist vorteilhaft, den Bürstenhalter für den Einbau in den Stellantrieb an die Leiterplatine lose zu koppeln, weil sich dadurch der Bürstenhalter zu dem Kommutator des Elektromotors selber ausrichtet.It is advantageous to install the brush holder in the To loosely couple the actuator to the printed circuit board because this causes the brush holder to align itself with the commutator of the electric motor.
Weiterhin ist es vorteilhaft, den Bürstenhalter durch Rastelemente an der Leiterplatine lose zu koppeln, weil dadurch der Einbau des Bürstenhalters vereinfacht wird.Furthermore, it is advantageous to loosely couple the brush holder by means of locking elements on the printed circuit board, because this simplifies the installation of the brush holder.
Durch die Befestigung des Bürstenhalters am Gehäuse entsteht der Vorteil, dass der Bürstenhalter von der Leiterplatine entkoppelt ist und sich mechanische Schwingungen des Motors nicht auf die Leiterplatine übertragen.Fastening the brush holder to the housing has the advantage that the brush holder is decoupled from the circuit board and mechanical vibrations of the motor are not transmitted to the circuit board.
Ausserdem ist es vorteilhaft, dass auf dem Bürstenhalter elektrische Bauelemente in einer Aufnahme beweglich angeordnet sind, weil dadurch ihre elektrischen Anschlussleitungen ohne mechanische Spannungen mit der Leiterplatine elektrisch verbunden werden können, wenn der Bürstenhalter im Gehäuse montiert ist.In addition, it is advantageous that electrical components are movably arranged in a receptacle on the brush holder because their electrical connecting lines can be electrically connected to the printed circuit board without mechanical stresses when the brush holder is mounted in the housing.
Für die Montage ist es vorteilhaft, dass einzelne Teile des Getriebegehäuses oder des Elektronikgehäuses, die aus zumindest einem Oberteil und zumindest einem Unterteil bestehen, einteilig sind oder mit dem Motorgehäuse einteilig sind, weil dadurch die Anzahl der zu montierenden Teile und der Fertigungsaufwand reduziert wird.For the assembly, it is advantageous that individual parts of the transmission housing or the electronics housing, which consist of at least one upper part and at least one lower part, are in one piece or are in one piece with the motor housing, because this reduces the number of parts to be assembled and the manufacturing effort.
Die Fixierung der Leiterplatine in dem Gehäuse geschieht auf vorteilhafte Weise dadurch, dass elastische Andruckelemente am Unterteil des Gehäuses angeordnet sind, weil die Leiterplatine dadurch nicht starr am Gehäuse befestigt ist. Bei der Montage des Stellantriebs ist es vorteilhaft die Rasthaken zwischen Bürstenhalter und Leiterplatine zu lösen.The circuit board is fixed in the housing in an advantageous manner in that elastic pressure elements are arranged on the lower part of the housing, because the circuit board is thereby not rigidly attached to the housing. When installing the actuator, it is advantageous to release the latching hook between the brush holder and the printed circuit board.
Zeichnungdrawing
Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung vereinfacht dargestellt und in der nachfolgenden Beschreibung näher erläutert .An embodiment of the invention is shown in simplified form in the drawing and explained in more detail in the following description.
Es zeigenShow it
Figur 1 einen Stellantrieb in Explosionsdarstellung,FIG. 1 shows an actuator in an exploded view,
Figur 2 einen Bürstenhalter undFigure 2 is a brush holder and
Figur 3 einen Bürstenhalter, eine Leiterplatine und einFigure 3 shows a brush holder, a circuit board and a
Gehäuse im Querschnitt.Cross section of the housing.
Beschreibung des AusführungsbeispielsDescription of the embodiment
Figur 1 zeigt einen Stellantrieb 1. Der Stellantrieb 1 hat einen Elektromotor 3, der in einem Motorgehäuse 6 untergebracht ist. Der Elektromotor 3 besteht u.a. aus einem Stator und einem Rotor, dessen Welle 19 aus dem Motorgehäuse 6 herausragt. Das Motorgehäuse 6 ist mit einem Gehäuse 9 verbunden, in das die Welle 19 hineinragt. Das Gehäuse 9 umfasst ein Getriebegehäuse 12 und ein Elektronikgehäuse 15. Das Gehäuse 9 hat zumindest ein Oberteil und zumindest ein Unterteil. Das Getriebegehäuse 12 hat dementsprechend zumindest ein Oberteil 23 und zumindest ein Unterteil 24. Beispielsweise hat auch das Elektronikgehäuse 15 zumindest ein Oberteil 26 und zumindest ein Unterteil 27. In diesem Beispiel sind das Unterteil 24 des Getriebegehäuses 12 und das Unterteil 27 des Elektronikgehäuses einteilig ausgeführt . Dies kann entsprechend für andere Einzelteile des Gehäuses 9 ebenso ausgebildet sein. Weiterhin kann zumindest ein Teil, bsp . ein Elektronikgehäuseoberteil 26 und einFigure 1 shows an actuator 1. The actuator 1 has an electric motor 3, which is housed in a motor housing 6. The electric motor 3 consists, among other things, of a stator and a rotor, the shaft 19 of which protrudes from the motor housing 6. The motor housing 6 is connected to a housing 9 into which the shaft 19 projects. The housing 9 comprises a gear housing 12 and an electronics housing 15. The housing 9 has at least one upper part and at least one lower part. The gear housing 12 accordingly has at least one upper part 23 and at least one lower part 24. For example, the electronics housing 15 also has at least one upper part 26 and at least one lower part 27. In this example, the lower part 24 of the gear housing 12 and the lower part 27 of the electronics housing are made in one piece. This can also be designed accordingly for other individual parts of the housing 9. Furthermore, at least a part, e.g. an electronics housing top 26 and a
Getriebegehäuseoberteil 23 mit dem Motorgehäuse 6 einteilig ausgeführt sein.Transmission housing upper part 23 can be made in one piece with the motor housing 6.
Mit einer Leiterplatine 31 sind Steckkontakte 34 verbunden, die Teile eines Steckers 37 sind. Die Leiterplatine 31 trägt weiterhin elektrische Bauelemente einer Motorelektronik , die hier nicht weiter dargestellt ist. Mit der Leiterplatine 31 ist ein Bürstenhalter 41 mittels Rasthaken 43 gekoppelt. Der Bürstenhalter 41 ist bspw. im Bereich des Elektronikgehäuses 15 angeordnet .Plug contacts 34, which are parts of a plug 37, are connected to a printed circuit board 31. The circuit board 31 also carries electrical components of motor electronics, which are not shown here. A brush holder 41 is coupled to the printed circuit board 31 by means of latching hooks 43. The brush holder 41 is arranged, for example, in the area of the electronics housing 15.
In das Getriebegehäuse 12 wird weiterhin noch ein Getriebe 47 eingesetzt. An dem Getriebe 47 greift die Welle 19 des Elektromotors 3 an.A gear 47 is still inserted in the gear housing 12. The shaft 19 of the electric motor 3 acts on the gear 47.
Figur 2 zeigt eine Unterseite des Bürstenhalters 14, der im eingebauten Zustand der Leiterplatine 31 direkt zugewandt ist .FIG. 2 shows an underside of the brush holder 14, which faces the printed circuit board 31 directly in the installed state.
Der Bürstenhalter 41 hat in diesem Beispiel bspw. vierThe brush holder 41 has, for example, four in this example
Rasthaken 43, mit denen er an die Leiterplatine 31 durchLocking hook 43, with which he through to the circuit board 31
Umgreifen lose gekoppelt wird.Reach loosely coupled.
Der Bürstenhalter 41 beinhaltet weiterhin Bürsten 62 (Fig.The brush holder 41 further includes brushes 62 (Fig.
3), die hier nicht näher dargestellt sind. Ausserdem sind in dem Bürstenhalter Entstörelemente 54, hier beispielsweise elektrische Drosselspulen, angeordnet, deren elektrische3), which are not shown here. In addition, interference suppressors 54, here for example electrical choke coils, are arranged in the brush holder, their electrical
Anschlussleitungen bzw. -drahte 51 aus der Unterseite des Bürstenhalters 41 herausragen. Im eingebauten Zustand von Bürstenhalter 41 und Leiterplatine 31 ragen diese Anschlussleitungen bzw. -drahte 51 bspw. durch die Leiterplatine 31 hindurch und werden auf einer Seite der Leiterplatine 31 verlötet.Connection lines or wires 51 from the bottom of the Stick out the brush holder 41. In the installed state of the brush holder 41 and printed circuit board 31, these connecting lines or wires 51 protrude, for example, through the printed circuit board 31 and are soldered on one side of the printed circuit board 31.
Figur 3 zeigt den Bürstenhalter 41, die Leiterplatine 31 und das Gehäuse 9 im Querschnitt. Der Querschnitt durch den Stellantrieb 1 verläuft hier senkrecht zur Welle 19. Für gleiche oder gleichwirkende Teile werden die gleichen Bezugszeichen wie in den bisherigen Figuren verwendet. Auf der Welle 19 ist ein Kommutator 58 befestigt, an dem Bürsten 62 zur Stromübertragung angreifen. Die Bürsten 62 sind in dem Bürstenhalter 41 angeordnet. Anschlussleitungen bzw. -drahte 51 des elektrischen Entstörelements 54 ragen bspw. durch die Leiterplatine 31 hindurch und sind mittels einer Lötstelle 65 mit der Leiterplatine 31 elektrisch verbunden. Die elektrischen Anschlussleitungen bzw. -drahte 51 haben darüber soviel Spiel, dass sie ohne Spannung bspw. durch die Leiterplatine 31 hindurchgeführt werden.Figure 3 shows the brush holder 41, the circuit board 31 and the housing 9 in cross section. The cross section through the actuator 1 runs here perpendicular to the shaft 19. The same reference numerals are used for the same or equivalent parts as in the previous figures. A commutator 58 is fastened on the shaft 19, on which brushes 62 engage for the transmission of current. The brushes 62 are arranged in the brush holder 41. Connection lines or wires 51 of the electrical interference suppression element 54 project, for example, through the printed circuit board 31 and are electrically connected to the printed circuit board 31 by means of a soldering point 65. The electrical connecting lines or wires 51 have so much play that they can be passed through the printed circuit board 31 without voltage, for example.
Eine Schraube 68 verbindet das Gehäuseoberteil 23, 26 und das Gehäuseunterteil 24, 27 miteinander und klemmt zwischen den Gehäuseteilen den Bürstenhalter 41 ein. Durch diese Befestigung heben die Rasthaken 43 ab und greifen nicht mehr an der Leiterplatine 31 an.A screw 68 connects the upper housing part 23, 26 and the lower housing part 24, 27 to one another and clamps the brush holder 41 between the housing parts. With this fastening, the latching hooks 43 lift off and no longer engage on the printed circuit board 31.
Der Bürstenhalter 41 hat Fixierzapfen 72, die jeweils in eine entsprechende Vertiefung 73 des Gehäuses 9, eingreifen. Die Leiterplatine 31 wird mittels elastischer Andruckelemente 77, die an einem Teil des Gehäuses 9 befestigt sind, an einem anderen Teil des Gehäuses 9 fixiert . Die Montage eines Stellantriebs 1 wird im Folgenden beschrieben. Der Elektromotor 3 liegt bspw. bereits im vorgefertigten Zustand vor. An dem Motorgehäuse 6 wird dann das Oberteil 23, 26 des Gehäuses 9 befestigt. Dadurch ragt die Welle 19 des Elektromotors 3 in das GetriebegehäuseThe brush holder 41 has fixing pins 72, which each engage in a corresponding recess 73 in the housing 9. The printed circuit board 31 is fixed to another part of the housing 9 by means of elastic pressure elements 77 which are fastened to one part of the housing 9. The assembly of an actuator 1 is described below. The electric motor 3 is, for example, already in the prefabricated state. The upper part 23, 26 of the housing 9 is then attached to the motor housing 6. As a result, the shaft 19 of the electric motor 3 projects into the transmission housing
12 hinein. Als nächstes wird ein Getriebe 47 in dem Gehäuse12 in. Next is a gear 47 in the housing
9 eingebaut .9 installed.
Danach wird die Leiterplatine 31 mit dem bspw. durchThereafter, the circuit board 31 with, for example
Rasthaken 43 an die Leiterplatine 31 lose gekoppeltenLocking hook 43 loosely coupled to the printed circuit board 31
Bürstenhalter 41 in das Gehäuse 9 eingebracht.Brush holder 41 introduced into the housing 9.
Führungszapfen 72 des Bürstenhalters 41 greifen dabei in eine Vertiefung 73 des Gehäuses 9 ein, wodurch derGuide pins 72 of the brush holder 41 engage in a recess 73 of the housing 9, whereby the
Bürstenhalter 41 geführt wird. Die Bürsten 62 desBrush holder 41 is guided. The brushes 62 of the
Bürstenhalters 61 umgreifen dabei den Kommutator 58. DerBrush holder 61 encompass the commutator 58
Bürstenhalter 41 wird dadurch zum Kommutator 58 zentriert.Brush holder 41 is thereby centered on commutator 58.
Die Leiterplatine 31 wird unabhängig von der Zentrierung desThe circuit board 31 is independent of the centering of the
Bürstenhalters 41 ebenfalls durch Führungsnoppen 74 imBrush holder 41 also by guide knobs 74 in
Gehäuse 9 ausgerichtet.Housing 9 aligned.
Danach wird das Unterteil des Getriebegehäuses 12 und desThen the lower part of the gear housing 12 and the
Elektronikgehäuses 15 montiert und mittels Schrauben 68 mit dem Oberteil befestigt. Zwischen Oberteil und Unterteil wird dadurch der Bürstenhalter 41 eingeklemmt und unabhängig von der Lage der Leiterplatine 31 befestigt.Electronics housing 15 mounted and fastened to the upper part by means of screws 68. As a result, the brush holder 41 is clamped between the upper part and the lower part and is fixed regardless of the position of the printed circuit board 31.
Die Leiterplatine 31 wird durch elastische AndruckelementeThe circuit board 31 is made by elastic pressure elements
77, die an dem Gehäuse 9 befestigt sind, in dem Gehäuse 9 fixiert . 77, which are fixed to the housing 9, fixed in the housing 9.

Claims

Ansprüche Expectations
1. Stellantrieb (1) , insbesondere für ein Aggregat eines Kraftfahrzeugs , mit einer Einheit aus einem Elektromotor (3) , einem Getriebe (47) und einer Motorelektronik (4) , mit einem Gehäuse (9) , das aus einem Getriebegehäuse (12) für das Getriebe (47) und einem Elektronikgehäuse (15) für die Motorelektronik (4) besteht, mit einem Motorgehäuse (6) des Elektromotors (3) , das mit dem Gehäuse (9) verbunden ist, mit einer Welle (19) des Elektromotors (3) , die in das Getriebegehäuse (12) hineinragt, mit einem Bürstenhalter (41) im Gehäuse (9) , mit einer Leiterplatine (31) ,1. Actuator (1), in particular for an assembly of a motor vehicle, with a unit consisting of an electric motor (3), a gear (47) and motor electronics (4), with a housing (9) consisting of a gear housing (12) for the gear (47) and an electronics housing (15) for the motor electronics (4), with a motor housing (6) of the electric motor (3), which is connected to the housing (9), with a shaft (19) of the electric motor (3), which projects into the gearbox housing (12), with a brush holder (41) in the housing (9), with a printed circuit board (31),
• die in dem Elektronikgehäuse (15) angeordnet ist,• which is arranged in the electronics housing (15),
• die mit einem äußeren Anschlußstecker (37) verbunden ist,• which is connected to an external connector (37),
• die mit dem Bürstenhalter (41) und Bauelementen der Motorelektronik (4) elektrisch verbunden ist,• which is electrically connected to the brush holder (41) and components of the motor electronics (4),
dadurch gekennzeichnet, daß der Bürstenhalter (41) für den Einbau in den Stellantrieb (1) an die Leiterplatine (31) lose gekoppelt ist.characterized in that the brush holder (41) is loosely coupled to the printed circuit board (31) for installation in the actuator (1).
2. Stellantrieb nach Anspruch 1, dadurch gekennzeichnet, daß2. Actuator according to claim 1, characterized in that
der Bürstenhalter (41) nach dem Einbau in den Stellantrieb (1) am Gehäuse (9) befestigt ist.the brush holder (41) is attached to the housing (9) after installation in the actuator (1).
3. Stellantrieb nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß3. Actuator according to claim 1 or 2, characterized in that
der Bürstenhalter (41) im Bereich des Elektronikgehäuses (15) angeordnet ist.the brush holder (41) is arranged in the region of the electronics housing (15).
4. Stellantrieb nach einem oder mehreren der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß4. Actuator according to one or more of claims 1 to 3, characterized in that
der Bürstenhalter (41) durch Rastelemente (43) mit der Leiterplatine (31) lose gekoppelt ist.the brush holder (41) is loosely coupled to the printed circuit board (31) by latching elements (43).
5. Stellantrieb nach einem oder• mehreren der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß5. Actuator according to one or • more of claims 1 to 4, characterized in that
auf dem Bürstenhalter (41) elektrische Bauelemente (54) in einer Aufnahme (72) beweglich angeordnet sind, so daß ihre elektrischen Anschlußleitungen (51) ohne mechanische Spannungen mit der Leiterplatine (31) elektrisch verbunden werden können, wenn der Bürstenhalter (41) im Gehäuse (9) montiert ist. on the brush holder (41) electrical components (54) are movably arranged in a receptacle (72) so that their electrical connecting lines (51) can be electrically connected to the printed circuit board (31) without mechanical stresses when the brush holder (41) in Housing (9) is mounted.
6. Stellantrieb nach Anspruch 1, dadurch gekennzeichnet,6. Actuator according to claim 1, characterized in
daß das Getriebegehäuse (12) und das Elektronikgehäuse (15) aus zumindest einem Oberteil (23, 26) und zumindest einem Unterteil (24, 27) bestehen, und daß zumindest ein Unterteil (24) des Getriebegehäuses (12) und zumindest ein Unterteil (27) des Elektronikgehäuses (15) .einteilig sind.that the gear housing (12) and the electronics housing (15) consist of at least one upper part (23, 26) and at least one lower part (24, 27), and that at least one lower part (24) of the gear housing (12) and at least one lower part ( 27) of the electronics housing (15) are in one piece.
7. Stellantrieb nach Anspruch 1 oder 6, dadurch gekennzeichnet, daß7. Actuator according to claim 1 or 6, characterized in that
zumindest ein Oberteil (26) des Elektronikgehäuses (15) mit zumindest einem Oberteil (23) des Getriebegehäuses (12) einteilig ist.at least one upper part (26) of the electronics housing (15) is in one piece with at least one upper part (23) of the gear housing (12).
8. Stellantrieb nach Anspruch 1, dadurch gekennzeichnet, daß8. Actuator according to claim 1, characterized in that
das Motorgehäuse (6) und zumindest ein Teil des Gehäuses (9) einteilig sind.the motor housing (6) and at least part of the housing (9) are in one piece.
9. Stellantrieb nach Anspruch 1, dadurch gekennzeichnet, daß9. Actuator according to claim 1, characterized in that
die Leiterplatine (31) mittels elastischer Andruckelemente (77), die am Unterteil des Gehäuses (24,27) angeordnet sind, am Gehäuse (9) fixiert ist. the printed circuit board (31) is fixed to the housing (9) by means of elastic pressure elements (77) which are arranged on the lower part of the housing (24, 27).
10. Verfahren zur Montage eines Stellantriebs (1) bestehend aus einem Elektromotor (3) mit einem Motorgehäuse (6) und mit einem Rotor, der eine Welle (19) mit einem Kommutator (58) hat, einer Leiterplatine (31) , einem Gehäuse (9) , Lagern, einem Bürstenhalter (41) und elektrischen Bauelementen (54) , insbesondere nach einem oder mehrerem der Ansprüche 1 bis 9, mit den Verfahrensschritten:10. A method for mounting an actuator (1) consisting of an electric motor (3) with a motor housing (6) and with a rotor which has a shaft (19) with a commutator (58), a printed circuit board (31), a housing (9), bearings, a brush holder (41) and electrical components (54), in particular according to one or more of claims 1 to 9, with the method steps:
» das Motorgehäuse (6) des Elektromotors (3) wird mit dem Gehäuse (9) verbunden, so daß ein Teil der Welle (19) mit dem Kommutator (58) in das Gehäuse (9) ragt,»The motor housing (6) of the electric motor (3) is connected to the housing (9) so that part of the shaft (19) with the commutator (58) protrudes into the housing (9),
» auf die Leiterplatine (31) mit der Motorelektronik (4) und mit dem Anschlußstecker (37) wird der Bürstenhalter (41) montiert, indem die Rasthaken (43) des Bürstenhalters (41) an der Leiterplatine (31) einrasten,»The brush holder (41) is mounted on the printed circuit board (31) with the motor electronics (4) and with the connector (37) by snapping the latching hooks (43) of the brush holder (41) onto the printed circuit board (31).
» die Leiterplatine (31) wird in das Gehäuse (9) eingebracht,»The circuit board (31) is inserted into the housing (9),
» die Leiterplatine (31) wird mittels zumindest einem Führungszapfen (72) im Gehäuse (9) geführt,»The printed circuit board (31) is guided in the housing (9) by means of at least one guide pin (72),
» der Bürstenhalter (41) wird mittels zumindest einem Führungsnoppen (74) im Gehäuse (9) geführt,»The brush holder (41) is guided in the housing (9) by means of at least one guide knob (74),
» Bürsten des Bürstenhalters (41) umgreifen den Kommutator (58) und richten den Bürstenhalter (41) zum Kommutator (58) aus,»Brushes of the brush holder (41) grip the commutator (58) and align the brush holder (41) with the commutator (58),
► der Bürstenhalter (41) wird am Gehäuse (9) fixiert,► the brush holder (41) is fixed to the housing (9),
► das zumindest eine Oberteil des Elektronikgehäuses (26) und das zumindest eine Unterteil des Gehäuses (24,27) werden montiert. ► the at least one upper part of the electronics housing (26) and the at least one lower part of the housing (24, 27) are mounted.
1. Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß1. The method according to claim 10, characterized in that
nach dem Einbau der Leiterplatine (31) in den Stellantrieb (1) die Rasthaken (43) des Bürstenhalters (41) zur Leiterplatine (31) gelöst werden. After installing the printed circuit board (31) in the actuator (1), the latching hooks (43) of the brush holder (41) for the printed circuit board (31) are released.
EP01921210A 2001-03-17 2001-03-17 Actuating drive and method for assembling an actuating drive Withdrawn EP1388195A1 (en)

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Application Number Priority Date Filing Date Title
PCT/DE2001/001029 WO2002075899A1 (en) 2001-03-17 2001-03-17 Actuating drive and method for assembling an actuating drive

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EP (1) EP1388195A1 (en)
JP (1) JP2004519196A (en)
KR (1) KR100785257B1 (en)
CN (1) CN1288822C (en)
BR (1) BR0110839A (en)
WO (1) WO2002075899A1 (en)

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KR20030003659A (en) 2003-01-10
JP2004519196A (en) 2004-06-24
WO2002075899A1 (en) 2002-09-26
BR0110839A (en) 2003-03-11
CN1288822C (en) 2006-12-06
CN1426623A (en) 2003-06-25
KR100785257B1 (en) 2007-12-13

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