EP2499314B1 - Procédé de fabrication d'une serrure de porte de véhicule automobile et serrure de porte de véhicule automobile associée - Google Patents

Procédé de fabrication d'une serrure de porte de véhicule automobile et serrure de porte de véhicule automobile associée Download PDF

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Publication number
EP2499314B1
EP2499314B1 EP10803031.3A EP10803031A EP2499314B1 EP 2499314 B1 EP2499314 B1 EP 2499314B1 EP 10803031 A EP10803031 A EP 10803031A EP 2499314 B1 EP2499314 B1 EP 2499314B1
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EP
European Patent Office
Prior art keywords
plastic
plastic carrier
vehicle door
motor vehicle
carrier
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.)
Active
Application number
EP10803031.3A
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German (de)
English (en)
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EP2499314A2 (fr
Inventor
Ludger Graute
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.)
Kiekert AG
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Kiekert AG
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Filing date
Publication date
Application filed by Kiekert AG filed Critical Kiekert AG
Publication of EP2499314A2 publication Critical patent/EP2499314A2/fr
Application granted granted Critical
Publication of EP2499314B1 publication Critical patent/EP2499314B1/fr
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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/02Lock casings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/54Electrical circuits
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/54Electrical circuits
    • E05B81/64Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/66Monitoring or sensing, e.g. by using switches or sensors the bolt position, i.e. the latching status
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00Power-actuated vehicle locks
    • E05B81/54Electrical circuits
    • E05B81/64Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/72Monitoring or sensing, e.g. by using switches or sensors the lock status, i.e. locked or unlocked condition

Definitions

  • the invention relates to a method for producing a motor vehicle door lock, with a housing, further comprising at least one plastic carrier, and with electrical / electronic components in and / or on the housing, which individual or all electrical conductors for contacting the electrical / electronic components in the plastic carrier be integrated in the course of a manufacturing process, and then the electrical traces are applied to the independently produced or produced plastic carrier.
  • a metallic circuit element is integrated with a component or the plastic support of the housing by being inserted during molding of the component made of plastic material.
  • Such a component carrier or plastic carrier for locking systems essentially consists of a conductor track unit which can be equipped with electrical or electronic components or components. These components may be connectors, microswitches, sensors, motors, etc. used in a motor vehicle door lock.
  • the conductor track unit consists essentially of a flexible conductor foil or generally a so-called stamped grid, which is or which is encapsulated to form a module made of plastic.
  • the invention is based on the technical problem of further developing such a method so that the flexibility is increased and the production costs are reduced.
  • a generic method for producing a motor vehicle door lock in the invention is characterized in that the electrical conductors are applied to the plastic substrate subtractive structuring, in which the plastic carrier is metallized total on its surface, then a protective coating of the tracks takes place and Finally, the remaining metallization is removed.
  • the production of the plastic carrier on the one hand and the definition or the application of the electrical conductor tracks on the plastic carrier on the other hand is carried out separately from each other.
  • the electrical conductors are unchanged in the plastic carrier in question - at least superficially - integrated and experienced on the one hand protection by the plastic carrier and on the other hand stabilized by the plastic carrier.
  • the conductor tracks may still be completely or partially enclosed by the plastic of the plastic carrier. This is not mandatory.
  • the invention makes use of the known MID (Molded Interconnect Devices) technology, in which the plastic carrier consisting of an electrically nonconducting plastic material on its surface, for example by electrically conductive stamping foils or by local metallization with the desired electrical conductor tracks is equipped. These tracks follow more or less the three-dimensional topography of the plastic carrier.
  • MID Manufacturing Interconnect Devices
  • a component carrier is here propagated for components to be wired to form an electrical assembly, in which case the components are supported on or in the bottom region of the component carrier.
  • circuit wires extending through a clearance above the ground area are attached to terminal portions of the components.
  • Such a procedure is unsuitable for use in the motor vehicle sector because the circuit wires are partly exposed and thus more or less exposed to both mechanical and environmental influences.
  • the present invention proves that the so-called MID technology can be used in the meantime for the production of housings as a whole or of plastic carriers, for example, as components of the housing of motor vehicle door locks.
  • the respective plastic carrier may be part of the housing, form the housing as a whole or be designed as a so-called component carrier independently of the housing, as described in the context of the previously described DE 20 2007 005 076 U1 is explained. All variants are covered by the invention.
  • the procedure is such that the electrical interconnects are applied in a subtractive manner to the plastic carrier in question.
  • the procedure is such that the plastic carrier in the relevant areas is completely equipped with a metallic coating (on its surface) or metallized overall. After that For the most part, this metallization or the associated metal coating is removed, namely in the areas which serve as free areas between the remaining conductor tracks.
  • this approach it is, of course, on the fact that the plastic carrier itself is designed to be electrically non-conductive, as already explained in one piece. In any case, the different basic procedures allow a particularly great flexibility in the definition of the electrical conductors and their attachment to the associated plastic carrier.
  • the plastic carrier may be the entire plastic housing of the motor vehicle door lock, that is to say the casing of the motor vehicle door lock with the recessed metal lock case, which is usually made of metal.
  • the plastic carrier but also only represent a part of the housing.
  • the option that the plastic carrier as a component carrier in the sense of DE 20 007 005 076 U1 is designed.
  • the invention intentionally omits, for example, a prefabricated stamped grid, which is inserted into an injection mold and molded with plastic. Rather, the interconnects can be flexibly adapted to the respective plastic carrier. As a result, various variants of the motor vehicle door lock can be realized by resorting to one and the same injection mold for the plastic carrier or the housing. As a result, the manufacturing costs can be reduced while at the same time achieving increased flexibility.
  • the plastic carrier can be produced in the course of an injection process.
  • an additive metallizing coating is disclosed, which does not form part of the invention.
  • the conductor tracks are applied to the plastic carrier by the plastic carrier in the region of the subsequent conductor tracks undergoes - at least local - metallization.
  • electrically conductive embossing foils or conductor foils or conductor foils which form a connection with the plastic carrier.
  • the so-called hot stamping has proven to be particularly favorable.
  • the electrical conductors can be applied as metallic conductors on the otherwise injection-molded plastic carrier. It can be used in detail on a two-component injection molding process become.
  • a first non-metallizable and electrically non-conductive plastic forms a base body
  • another second electrically non-conductive plastic can be made metallizable and defines the electrical conductor tracks.
  • the other second and metallizable plastic forms a printed circuit board layout.
  • the metallization of the other second plastic can for example be made as in the DE 199 07 245 A1 will be described in detail.
  • a thermoplastic plastic is used as the second plastic, for example polyamide, which can be electrolessly and wet-chemically metallized.
  • the polyamide surface is first roughened and then a metal layer is deposited.
  • a composite of two thermoplastic materials is first prepared, of which one component, the second plastic, is metallizable.
  • the other component, the first plastic remains completely unaffected by the subsequent chemical action of the metallization electrolytes.
  • the overall plastic carrier can be produced in such a way that metallic properties are present in part in the region of the desired conductor tracks.
  • the metallizable plastic or the second plastic in the form of electrical conductors can be easily structured. For this purpose, first the first plastic is injected and then encapsulated by the metallizable second plastic, or vice versa.
  • a metallizable and electrically non-conductive plastic wherein the layout of the tracks is shown sublimely.
  • the first non-metallizable plastic which is also electrically non-conductive, then fills the open areas between the individual tracks.
  • recesses can be used.
  • the first plastic is again not metallizable and electrically non-conductive and are formed in the first plastic, the subsequent traces as wells. These recesses are then filled with the second metallizable and electrically non-conductive plastic.
  • the plastic carrier to be finished on the surface with the strip conductors is firstly activated and structured on its surface. Then, a metal layer is applied to the individual structures or the plastic undergoes a corresponding metallization.
  • Both approaches can be advantageously realized with a laser.
  • the plastic carrier can be converted into an electrically conductive state in the irradiation region of the laser. Then an additional metallization is not required, but rather the plastic of the plastic carrier is modified accordingly. Of course, this requires that the plastic itself is designed to be metallised.
  • the plastic carrier is metallized overall and then a protective coating of the conductors takes place. Subsequently, the remaining metallization is then removed and there remain only the protected by means of the protective coating tracks.
  • the metallization of the surface of the plastic carrier can be carried out again by means of laser irradiation, with inter alia Nd: YAG laser or fiber laser can be used.
  • Nd YAG laser or fiber laser can be used.
  • the entire surface of the plastic carrier is first of all metallized by means of laser radiation or, for example, by measurement.
  • the structure of the desired printed conductors is defined by means of a protective coating. This may be an initially liquid and then curing plastic coating, which is resistant to subsequent etching processes. In any case, after this process, the metallized surface of the plastic carrier, which is not protected by the ⁇ tzresist, then etch away.
  • the plastic carrier can be metallized in a customary manner, that is to say by depositing a metal or copper layer.
  • a metallization by laser irradiation is conceivable.
  • This metallized component surface then undergoes laser structuring by structuring the previously applied plastic layer or layer resistant to the etching process.
  • the remaining exposed copper layer or metal layer is then etched away.
  • the plastic support is again, for example wet-chemically, with a metallic coating, such as a thin copper layer, equipped.
  • a photoresist coating is applied to this copper layer. This coating can be exposed using an example three-dimensional photomask, for example, with UV light. After applying the thus produced etching mask, the photoresistive layer and the copper which is no longer needed can be etched away.
  • the plastic carrier which may be an electronic component carrier, is manufactured independently of the electrical conductors which are applied to the already produced or still to be produced plastic carrier.
  • the invention relies on a per se known to partially modified MID method.
  • the main benefits are the main benefits.
  • a motor vehicle door lock is shown, which is of conventional design, that is a not explicitly illustrated locking mechanism with a catch and pawl has.
  • a locking lever or central locking lever 1 which by means of a drive unit 2, 3, for example, in its positions “unlocked” and “locked” about an axis 4 can be pivoted.
  • an inner locking lever 5 may provide for corresponding pivoting movements of the central locking lever 1.
  • the basic structure is still a housing 6, which at the transition from the Fig. 1 to Fig. 2 partially opened or removed.
  • the housing 6 is composed of an upper housing part 6a and a lower housing part 6b.
  • connection socket 7 in the upper housing part 6a and two switches 8 in the upper housing part 6b which query the position of the rotary latch and the central locking lever 1.
  • the connector 7 and the two switches 8 are as well as the electric motor 2 via a in the Fig. 2 Basically illustrated conductor sheet 9 electrically connected to each other. That is, any signals of the switch 8 are transmitted to a remote control unit via the conductor foil 9 and finally the connection socket 7 or a plug inserted therein.
  • the connection socket 7 ensures the control of the electric motor 2 with the interposition of the conductor film 9.
  • the one half of the housing or the upper housing part 6a acts as a plastic support 6a or component carrier in the sense of DE 20 2007 005 076 U1 .
  • the plastic support 6a carries, inter alia, the connector 7 and can also be equipped with other electrical / electronic components.
  • the component carrier 6a is equipped with the conductor foil 9, which is integrated in the component carrier 6a - at least in the region of its surface.
  • the surface in which the printed circuit film 9 is integrated or onto which it is applied is the surface facing the lower housing part 6b and consequently the switches 8 and the electric motor 2.
  • the housing half or the component carrier 6a For the production of the housing half or the component carrier 6a, this is first formed by means of a plastic injection molding tool. Subsequently, electrical conductors are applied.
  • a printed circuit foil 9 punched out of a metal foil is applied to the plastic carrier 6a in question by hot stamping. This corresponds to an additive metallizing order, which is not the subject of the method according to the invention and only serves to clarify the fundamental principle.
  • the conductor film 9 is punched out of the metal foil and impressed with the simultaneous application of pressure and heat in the plastic carrier 6a.
  • the strip conductor 9 dips into the plastic support 6a on the surface side and at least slightly and ensures plasticized and displaced plastic mass corresponding to the fact that the strip conductor 9 is optionally sealed by the previously molten plastic.
  • a potting compound can also be applied to the printed circuit film 9 for its protection, or the printed circuit film 9 can undergo a potting coating.

Landscapes

  • Lock And Its Accessories (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Claims (4)

  1. Procédé de fabrication d'une serrure de porte de véhicule à moteur comprenant un boîtier (6) et comprenant en outre un support en matière plastique (6a) et des composants électriques/électroniques (7, 8) dans et/ou sur le boîtier (6), dans lequel
    - certaines ou l'ensemble des pistes conductrices électriques destinées à contacter des composants (7, 8) sont intégrées dans le support en matière plastique (6a) au cours d'un processus de fabrication, et dans lequel
    - les pistes conductrices électriques sont appliquées sur le support en matière plastique qui a été fabriqué ou est à fabriquer indépendamment de celles-ci,
    caractérisé en ce que
    - les pistes conductrices électriques sont appliquées sur le support en matière plastique (6a) de manière soustractive structurante, en
    - métallisant la surface entière du support en matière plastique (6a), en revêtant après les pistes conductrices électriques d'une couche protectrice et en enlevant finalement la couche de métallisation restante.
  2. Procédé selon la revendication 1, caractérisé en ce que le support en matière plastique (6a) est moulé par injection.
  3. Procédé selon l'une des revendications 1 à 2, caractérisé en ce que la surface du support en matière plastique (6a) est activée et structurée, la couche métallique étant ensuite appliquée sur la surface structurée de cette façon.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que les pistes conductrices électriques sont imprégnées par injection à l'arrière d'une matière plastique.
EP10803031.3A 2009-11-14 2010-11-11 Procédé de fabrication d'une serrure de porte de véhicule automobile et serrure de porte de véhicule automobile associée Active EP2499314B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910053384 DE102009053384A1 (de) 2009-11-14 2009-11-14 Verfahren zur Herstellung eines Kraftfahrzeugtürschlosses und zugehöriges Kraftfahrzeugtürschloss
PCT/DE2010/001327 WO2011057619A2 (fr) 2009-11-14 2010-11-11 Procédé de fabrication d'une serrure de porte de véhicule automobile et serrure de porte de véhicule automobile associée

Publications (2)

Publication Number Publication Date
EP2499314A2 EP2499314A2 (fr) 2012-09-19
EP2499314B1 true EP2499314B1 (fr) 2015-04-01

Family

ID=43877647

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10803031.3A Active EP2499314B1 (fr) 2009-11-14 2010-11-11 Procédé de fabrication d'une serrure de porte de véhicule automobile et serrure de porte de véhicule automobile associée

Country Status (5)

Country Link
EP (1) EP2499314B1 (fr)
CN (1) CN102597399B (fr)
DE (1) DE102009053384A1 (fr)
RU (1) RU2561860C2 (fr)
WO (1) WO2011057619A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2983227B1 (fr) * 2011-11-30 2014-01-03 Valeo Securite Habitacle Serrure pour vehicule automobile
EP2792829B1 (fr) * 2013-04-15 2018-02-28 Inteva Products, LLC. Système de fermeture de porte de véhicule
DE102014000294A1 (de) 2014-01-15 2015-07-16 Kiekert Aktiengesellschaft Seitentürschloss für ein Kraftfahrzeug
DE102014118399A1 (de) 2014-12-11 2016-06-16 Kiekert Ag Kraftfahrzeugschloss mit Positionsabfrage
JP6592842B2 (ja) * 2015-10-29 2019-10-23 三井金属アクト株式会社 車両用ドアロック装置
DE102016112482A1 (de) * 2016-07-07 2018-01-11 Huf Hülsbeck & Fürst Gmbh & Co. Kg Kraftfahrzeugschloss
DE102018112900A1 (de) 2018-05-30 2019-12-05 Kiekert Aktiengesellschaft Elektrische Antriebseinheit für kraftfahrzeugtechnische Anwendungen

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RU2072123C1 (ru) * 1991-01-22 1997-01-20 Радиоприборный завод Способ изготовления многослойных печатных плат
GB9108447D0 (en) 1991-04-19 1991-06-05 Rockwell Automotive Body Syst Vehicle door latches
DE4306143C3 (de) 1993-02-27 2003-10-16 Kiekert Ag Verfahren zur Herstellung eines aus Spritzguß-Kunststoff bestehenden Gehäuses für einen Kraftfahrzeug-Türverschluß
DE9321228U1 (de) * 1993-02-27 1996-12-12 Kiekert AG, 42579 Heiligenhaus Kraftfahrzeug-Türverschluß mit elektrischen Bauteilen
US5487602A (en) * 1994-06-03 1996-01-30 Farrel Corporation Multi-screw, extrusion-compounding machine with modular mixing elements
DE19702205B4 (de) 1997-01-23 2004-12-23 Kiekert Ag Kraftfahrzeugtürschloß, insbesondere für Kraftfahrzeuge mit Zentralverriegelungs- und Diebstahlsicherungseinrichtung
EP0982978B1 (fr) * 1998-08-25 2005-05-25 Kiekert Aktiengesellschaft Boítier, en particulier boítier de serrure avec interconnections électriques
DE19916949B4 (de) * 1998-08-25 2004-08-19 Kiekert Ag Gehäuse, insbesondere Schloßgehäuse für einen Kraftfahrzeugtürverschluß, Getriebegehäuse oder dergleichen Leitungsträger
DE19907245A1 (de) 1999-02-19 2000-08-24 Bayer Ag Metallisierbares Formteil
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DE202007005076U1 (de) 2007-04-05 2007-08-02 Kiekert Ag Komponententräger für Schließsysteme

Also Published As

Publication number Publication date
DE102009053384A1 (de) 2011-05-19
CN102597399A (zh) 2012-07-18
WO2011057619A3 (fr) 2011-07-21
EP2499314A2 (fr) 2012-09-19
WO2011057619A2 (fr) 2011-05-19
CN102597399B (zh) 2015-06-10
RU2012117511A (ru) 2013-12-20
RU2561860C2 (ru) 2015-09-10

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