EP2909923A1 - Élément de raccordement pour un système d'entraînement ainsi que système d'entraînement comportant un élément de raccordement - Google Patents

Élément de raccordement pour un système d'entraînement ainsi que système d'entraînement comportant un élément de raccordement

Info

Publication number
EP2909923A1
EP2909923A1 EP13766495.9A EP13766495A EP2909923A1 EP 2909923 A1 EP2909923 A1 EP 2909923A1 EP 13766495 A EP13766495 A EP 13766495A EP 2909923 A1 EP2909923 A1 EP 2909923A1
Authority
EP
European Patent Office
Prior art keywords
lead frame
lines
components
connection element
drive
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Withdrawn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
EP13766495.9A
Other languages
German (de)
English (en)
Inventor
Heiko Buss
Jens Maerkle
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 EP2909923A1 publication Critical patent/EP2909923A1/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Withdrawn legal-status Critical Current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
    • H02K5/22—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
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • 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
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/21—Devices for sensing speed or position, or actuated thereby
    • H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
    • 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
    • H02K11/33—Drive circuits, e.g. power electronics
    • 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
    • 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
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49121—Beam lead frame or beam lead device

Definitions

  • the present invention relates to electromotive drive arrangements, in particular for use in power windows, and further the construction and the electrical contacting of drive assemblies.
  • the invention relates to the arrangement of electronic components between a supply line contacting the drive arrangement and an electrical machine to be operated.
  • Locking systems such.
  • automatic power window systems are usually operated with electrical drive assemblies whose electric drive can move a window to close and open a window.
  • the drive assembly is arranged in a cavity of a vehicle door, wherein the available space is very limited. Therefore, such drive assemblies are provided in a compact manner with other components to realize additional functions that must be arranged close to the electric drive of the drive assembly, saving space.
  • Such functions may include, for example, an electromagnetic interference suppression or a position detection of a rotor shaft of the drive.
  • Magnetic sensors such as Hall sensors, are usually used for position detection in conjunction with a ring magnet arranged on the rotor shaft. Position detection can be performed in an external control advises the speed can be calculated and it can be further functions, such as anti-pinch, for locking systems, realized.
  • the magnetic field sensors used for the position detection are usually mounted together with other electronic components in a pre-assembly step on a circuit board.
  • the circuit board can then be connected in a mounting step by soldering or press-fitting with connecting lines in a connection element, in particular a connector housing, which further includes a connector interface to connecting lines, for. B. via a wiring harness, provides.
  • connection element and a drive arrangement which can be produced more easily, in particular with a smaller number of production steps.
  • connection element for a drive arrangement according to claim 1 is achieved by the connection element for a drive arrangement according to claim 1 and by the drive arrangement and the method for
  • connection element for a drive arrangement in particular for an electrical closing device in a motor vehicle, comprising:
  • a cladding to insulate the leadframe lines, a portion of the stamped grid protruding from one end of the terminal element so that the leadframe lines are exposed;
  • One or more components which are electrically conductively attached to the protruding portion of the lead frame lines, wherein the components are formed as SMD components (surface mounted devices).
  • connection element contact the components previously arranged on the printed circuit board directly with lines, in particular stamped grid lines of a stamped grid, in the connection element.
  • lines in particular stamped grid lines of a stamped grid
  • the use of a printed circuit board and the manufacturing step of connecting the printed circuit board to the connecting element can be dispensed with.
  • line sections of the stamped grid are for this purpose freely accessible in a section for mounting with the components and the conductor elements are insulated by a sheathing with a housing part of the connection element.
  • a connector can be arranged at a further end of the connecting element.
  • the one or more components may comprise a capacitor and / or a coil and / or a magnetic field sensor.
  • At the punched grid may be arranged a contact element for contacting the electric drive.
  • At least part of the stamped grid lines can be arranged in one plane.
  • a drive arrangement comprising:
  • connection element A drive housing with an electric drive; and the above connection element, wherein the end of the connection element protrudes into the drive housing in order to supply the electric drive
  • a magnetic field sensor as a component is electrically contacted by the lead frame lines, wherein the magnetic field sensor is positioned by the lead frame in the drive housing so that a magnetic field change due to an operation of the drive assembly is detectable.
  • a magnetic field transmitter can be connected to a rotor shaft of the electric drive, wherein the magnetic field sensor can be arranged laterally of the rotor shaft or on the front side of the rotor shaft.
  • connection element a method for producing a connection element, comprising the following steps:
  • the production of the stamped grid may include the provision of pre-encapsulations in order to fix the stamped grid lines against each other.
  • the insulation of the lead frame lines takes place after the attachment of the one or more components.
  • the electrically conductive attachment of the one or more components to the lead frame lines may be performed by soldering or conductive bonding. Since the Leitkleben cures at relatively low temperatures, the components - in particular SMD components
  • the stamped wire lines can also be formed by a plurality of separate Einlegmaschine. By directly contacting the electrical components on the lead frame lines can be advantageously dispensed with additional circuit boards, such as Senorikplatinen.
  • Figure 1 is a cross-sectional view through a drive assembly with an inserted connection element
  • Figure 2 is a side view of a connection element for a drive assembly
  • Figure 3 is a side view of another connection element for a drive assembly
  • Figure 4 is a view of a stamped grid of the connection element of Figure 2;
  • FIG. 5 shows a side view of a further embodiment of a connection element
  • FIG. 6 shows a side view of a further embodiment of a connection element with an arrangement on a rotor shaft of the drive arrangement
  • FIG. 7 shows a flow chart for illustrating a method for
  • connection element Production of a connection element.
  • FIG. 1 shows a drive arrangement 1 with a housing 4 and a brush-commutated DC motor 2 arranged in the drive housing 4 as a drive motor.
  • the DC motor 2 has stator magnets 22 surrounding an inner recess in which a rotor 23 with rotor windings (not shown) is arranged.
  • the rotor 23 is rotatably mounted on the rotor shaft 21 in the drive housing 4.
  • the DC motor 2 has a commutator 3 arranged on the rotor shaft 21 and comprising a commutator ring 31 with commutator blades (not shown) and brushes 33 in brush shafts 32 aligned with the commutator blades.
  • the brushes 33 are biased in the direction of the commutator and thereby contact them electrically.
  • the brushes 33 are connected via brush cables (not shown) with brush contacts in electrical connection.
  • the housing 4 has a recess through which a plug housing 5 is introduced as a connection element during assembly of the drive arrangement 1, by means of which the brush contacts become electrically contactable.
  • the connector housing 5 provides a connector receptacle 6 (connector) for receiving a connector of a wiring harness or the like, and further comprises electrical connection lines 51 extending from the connector
  • Plug receptacle 6 through the connector housing 5 into the interior of the drive housing 4 of the drive assembly 1 lead.
  • another type of connecting device may be provided in order to provide a particularly detachable electrical connection with leads or a wiring harness.
  • the plug housing 5 has a cable jacket 7, which extends from the plug receptacle 6 to one end in the drive housing 4 of the drive assembly 1 and there contact pins 52 or fork contacts or the like provides to contact the brush contacts arranged there electrically.
  • the electrical connection can be made by inserting the plug housing 5 in the drive housing 4.
  • at least a part of the connecting lines 51 is formed by a stamped grid, which also protrudes from the end located in the drive housing 4.
  • the connecting lines 51 which are formed as part of the stamped grid, are referred to below as stamped grid lines 12.
  • the line jacket 7 is angled, so that in the present embodiment, contact pins 53 in the connector receptacle 6 extend substantially parallel to the axial direction of the rotor shaft 21 of the drive 2.
  • the cable jacket 7 may also be formed in a straight line or in another form.
  • the lead frame lines 12 vorzugs- 5 in the form of pre-punched and mutually fixed metal strips or the like, wherein the lead frame lines 12 form the contact pins 53 in the connector receptacle 6 and extend into the housing interior of the drive housing 4 and there on the one hand the contacting of the brush contacts and further provide a possibility for connection of electronic components 10 9.
  • Entstörbauium such as capacitors or coils, or senil.5 sorbauieri, such as a device for a magnetic field sensor
  • a magnetic field sensor a Hall sensor, AMR sensor, GMR sensor can be used.
  • Other types of components which perform a function with respect to the drive arrangement 1 can also be arranged on the lead frame lines 12 extending into the drive housing 4.
  • the components (9) are preferably designed as SMD components (surface mounted devices), which are electrically connected to the stamped grid, for example, by conductive bonding or SMD soldering.
  • the punched grid lines 12 of the stamped grid preferably protrude into the drive housing 4 so far that the magnetic field sensor attached thereto
  • Magnetic field of a ring magnet 10 can be detected, which is arranged on a portion of the rotor shaft 21.
  • the ring magnet 10 is positioned in the drive housing 4 such that when the plug housing 5 is inserted into the drive housing 4, the component 9 designed as a magnetic field sensor is arranged correspondingly close to the ring magnet 10.
  • the connecting element designed as a plug housing can, in a further embodiment, also be designed as a brush carrier element, on which the brushes 33 are received for contacting the collector 3.
  • the brush holder element has a recess through which the rotor shaft 21 of the electric drive engages.
  • FIG. 2 shows a side view of the plug housing 5
  • Plug housing 5 has contact pins 52 as contact elements for contacting the brush contacts and the lead frame lines 12.
  • Pins 52 further into the housing interior and are suitably shaped and arranged side by side, so that between the lead frame lines 12 individual electronic components 9, in particular SMD components, can be applied.
  • the leadframe lines 12 can be provided with a variable or varying width, in order to achieve the same
  • the components 9 are preferably designed as SMD components and can be arranged by soldering or conductive bonding with a suitable conductive adhesive between the lead frame lines 12, so that the electronic function is ensured.
  • the punched grid lines 12 are preferably arranged in a plane which, as shown in Figure 2, perpendicular to the arrangement plane of the contact pins 52 (contact elements) or, as shown in Figure 3, parallel to the arrangement plane of the Kommutatorrome isten 8.
  • At least one surface of a stamped grid line 12 may be aligned with a surface of another of the stamped grid lines 12 such that they lie at least in sections in a plane.
  • the corresponding surfaces can then represent the contacting surfaces for the connection of a component 9.
  • FIG. 4 shows an illustration of the stamped grid without lead sheath 7 and
  • Connector receptacle 6 shown. It can be seen the arrangement of the lead frame lines 12, which extend from the connector receptacle 6 to the housing interior to be assigned end. Before attaching the lead sheath 7, the lead frame lines 12 are fixed by providing one or more pre-shots 13 against each other. This makes it possible, when attaching the cable jacket 7, to ensure that the lead frame lines gene 12 do not move against each other, since for the attachment of electronic components 9 of a certain size, a predefined distance between the lead frame lines 12 is necessary.
  • FIG. 5 shows a further arrangement of the stamped grid plane. There, the stamped wire lines 12 extend after exiting from the
  • the plane in which the punched grid lines 12 extend when the plug housing 5 is inserted may be arranged essentially perpendicular to the axial direction of the rotor shaft 21, so that when the plug housing 5 is inserted, the leadframe lines 12 are connected to
  • the ring magnet 10 provided end of the rotor shaft 21 overlap the front side so as to detect the magnetic field change of the magnetic field laterally of the ring magnet 10, in particular axially opposite to the ring magnet 10, on the rotor shaft 21.
  • step S1 a sheet or plate of another conductive material is punched to obtain punched grid lines 12.
  • the punched grid lines 12 punched in this way are arranged or adjusted relative to each other and provided with pre-molded parts by a pre-extrusion (step S2) which can be arranged transversely to the extension direction of the leadframe lines 12, so that the lead frame lines 12 resulting from the stamping process of step S1 are fixed relative to one another and whose arrangement is maintained.
  • step S3 the mutually fixed punched grid lines 12 thus obtained are bent (step S3) and any additional contacts, such as, for example, the commutator contacts 8, are connected in a suitable manner to the stamped grid (step S4).
  • step S5 a section of the stamped grid, which is to be provided with a line casing 7, is overmolded, so that the line casing 7 and the plug receptacle 6 are formed.
  • step S6 At one of the connector receptacle 6 opposite end of the connector housing 5 remains a portion of the lead frame without line jacket 7, which can be fitted in sequence (step S6) with electronic components 9 by these are attached by soldering, welding or gluing with a conductive adhesive.
  • DC motor instead of a DC motor can be provided as the drive motor and an electronically commutated electric machine.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

L'invention concerne un élément de raccordement (5) pour un système d'entraînement (1) ainsi qu'un procédé de fabrication d'un tel élément, en particulier pour un dispositif de fermeture électrique d'ouvertures dans un véhicule automobile, comprenant: - une grille estampée pourvue de plusieurs lignes (12); - une enveloppe (7) pour isoler les lignes (12), une partie de la grille estampée faisant saillie à une extrémité de l'élément de raccordement (5) de sorte que les lignes (12) sont à découvert; et - un ou plusieurs éléments (9) qui sont appliqués de manière électroconductrice sur la partie en saillie des lignes (12), les éléments (9) étant conçus comme des éléments SMD (dispositifs montés en surface).
EP13766495.9A 2012-10-16 2013-09-18 Élément de raccordement pour un système d'entraînement ainsi que système d'entraînement comportant un élément de raccordement Withdrawn EP2909923A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012218847.9A DE102012218847A1 (de) 2012-10-16 2012-10-16 Anschlusselement für eine Antriebsanordnung sowie eine Antriebsanordnung mit einem Anschlussteil
PCT/EP2013/069409 WO2014060174A1 (fr) 2012-10-16 2013-09-18 Élément de raccordement pour un système d'entraînement ainsi que système d'entraînement comportant un élément de raccordement

Publications (1)

Publication Number Publication Date
EP2909923A1 true EP2909923A1 (fr) 2015-08-26

Family

ID=49237190

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13766495.9A Withdrawn EP2909923A1 (fr) 2012-10-16 2013-09-18 Élément de raccordement pour un système d'entraînement ainsi que système d'entraînement comportant un élément de raccordement

Country Status (5)

Country Link
US (1) US20150288245A1 (fr)
EP (1) EP2909923A1 (fr)
CN (1) CN104737424B (fr)
DE (1) DE102012218847A1 (fr)
WO (1) WO2014060174A1 (fr)

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DE102014007242B4 (de) 2014-05-16 2024-02-22 Nidec Motors & Actuators (Germany) Gmbh Bürstenhaltevorrichtung für eine Kommutatormaschine
DE102014007244B4 (de) 2014-05-16 2024-08-29 Nidec Motors & Actuators (Germany) Gmbh Bürstenhaltevorrichtung für eine Kommutatormaschine
DE102014217924B4 (de) * 2014-09-08 2016-07-28 Continental Automotive Gmbh Verfahren zum Montieren von SMD-Bauteilen an Kontaktfedern bei Elektromotoren
FR3034584B1 (fr) * 2015-04-02 2019-06-07 Valeo Equipements Electriques Moteur Ensemble comportant une machine electrique tournante positionnee a l'interieur d'une enceinte
DE102015219979A1 (de) 2015-10-14 2017-04-20 Conti Temic Microelectronic Gmbh Entstörmodul für einen elektrisch kommutierten Elektromotor, Verfahren zur Herstellung eines Entstörmoduls und Fahrzeug mit einem solchen Entstörmodul
DE102016204954A1 (de) 2016-03-24 2017-09-28 Robert Bosch Gmbh Elektrische Maschine sowie Verfahren zum Herstellen einer elektrischen Maschine
CN106230177A (zh) * 2016-08-11 2016-12-14 江苏理工学院 步进电机
JP2018093585A (ja) * 2016-11-30 2018-06-14 ミネベアミツミ株式会社 モータ
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DE102017205970A1 (de) * 2017-04-07 2018-10-11 Zf Friedrichshafen Ag Lösbare elektrische Verbindung einer Leistungselektronik mit einer E-Maschine
DE102019102536A1 (de) * 2019-02-01 2020-08-06 Nidec Motors & Actuators (Germany) Gmbh Verstellantrieb aufweisend eine Bürstenkartenanordnung mit integrierter Leiterplatte
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Also Published As

Publication number Publication date
CN104737424A (zh) 2015-06-24
US20150288245A1 (en) 2015-10-08
WO2014060174A1 (fr) 2014-04-24
CN104737424B (zh) 2019-03-29
DE102012218847A1 (de) 2014-04-17

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