EP2499314A2 - 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

Info

Publication number
EP2499314A2
EP2499314A2 EP10803031A EP10803031A EP2499314A2 EP 2499314 A2 EP2499314 A2 EP 2499314A2 EP 10803031 A EP10803031 A EP 10803031A EP 10803031 A EP10803031 A EP 10803031A EP 2499314 A2 EP2499314 A2 EP 2499314A2
Authority
EP
European Patent Office
Prior art keywords
plastic
plastic carrier
carrier
conductor tracks
motor vehicle
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.)
Granted
Application number
EP10803031A
Other languages
German (de)
English (en)
Other versions
EP2499314B1 (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
Original Assignee
Kiekert AG
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 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
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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 are integrated in the course of or its manufacturing process.
  • the procedure is such that the electrical conductor tracks are embedded in regions of the lock housing which are made of injection-molded plastic by means of injection molding. That is, the production of the plastic carrier or the entire housing in the example case and the embedding of the associated electrical conductors in the plastic carrier in question take place simultaneously.
  • the plastic carrier is in this case a part of the housing, which is not mandatory.
  • DE 692 06 671 T2 deals with a vehicle door locking device.
  • 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.
  • DE 197 02 205 B4 is concerned with a motor vehicle door lock in which a motor / gear unit is in contact connection with conductor elements projecting from the plastic of a housing cover.
  • the motor / gear unit is combined to form a structural unit with the aid of a plate-shaped component carrier.
  • a component carrier or plastic carrier for locking systems is explained in detail.
  • such a component carrier 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.
  • a relatively rigid or dimensionally stable component carrier is provided on the whole, with the aid of which a secure positioning of the aforementioned components in or on motor vehicle door locks can be ensured. This has proven itself in principle.
  • 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 within the scope of the invention is characterized in that the electrical conductors are applied to the independently produced or produced plastic carrier.
  • 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 uses at this point on the known MID (Molded Interconnect Devices) technology, in which the from an electrical non-conductive plastic existing plastic carrier on its surface, for example, by electrically conductive stamping foils or by local metallization is equipped with the desired electrical conductors. These tracks follow more or less the three-dimensional topography of the plastic carrier. Since the so-called MID technology combines different approaches, it has not yet been successful in practice, as evidenced by DE 10 2006 037 159 A1. For this reason, 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. In addition, self-supporting 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.
  • MID Manufacturing Interconnect Devices
  • the present invention proves that the so-called MID technology can now also be used for the production of housings in total 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 is explained in the context of the previously described DE 20 2007 005 076 U1. All variants are covered by the invention.
  • the procedure is such that the electrical conductor tracks are applied to the plastic carrier in question in a subtractive or additive metalizing manner. Basically, it is also a combination Both principle approaches conceivable and is included.
  • the procedure is generally such that the plastic carrier in the relevant areas is completely equipped with a metallic coating (on its surface) or metallized overall. Following this, this metallization or the associated metal coating is largely removed, namely in the areas that serve as open areas between the remaining conductor tracks.
  • the plastic carrier itself is designed to be electrically non-conductive, as has already been explained in the introduction.
  • 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 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. It also exists under the Invention, the option that the plastic carrier is designed as a component carrier in the sense of DE 20 007 005 076 U1.
  • the invention deliberately dispenses with, for example, a prefabricated stamped grid which is inserted into an injection mold and extrusion-coated 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 main benefits are the main benefits.
  • the electrical conductor tracks are applied as metallic conductor tracks on the otherwise injection-molded plastic carrier. That is, the plastic carrier is produced in the course of an injection molding process.
  • a two-component injection molding process can be used.
  • 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. That is, the other second and metallizable plastic forms a printed circuit board layout.
  • the metallization of the further second plastic can be carried out, for example, as described in detail in DE 199 07 245 A1.
  • 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.
  • 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.
  • first the first plastic is injected and then encapsulated by the metallizable second plastic, or vice versa.
  • the plastic carrier with the electrical lines additively metallizing.
  • the invention also proposes to use as the second plastic 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.
  • 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 procedures described are those in which the electrical conductor tracks are applied to the actual plastic carrier in an additive metallizing manner.
  • the electrical conductors are designed as (flexible) conductor foil.
  • This conductor foil will be advantageous hot stamping connected to the plastic carrier.
  • the plastic carrier is usually inserted into a stamping die.
  • the conductor film can then be punched simultaneously with a die and connected using pressure and heat with the plastic carrier.
  • the conductor film may be equipped on its side facing the plastic carrier with an adhesive layer or generally an adhesive coating.
  • the plastic carrier which is to be finished on the surface with the strip conductors is first surface-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.
  • the metallized surface of the plastic carrier which is not protected by the ⁇ tzresist, then etch away.
  • first of all the entire surface of 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 substrate is again, for example wet-chemically, equipped with a metallic coating, for example a thin copper layer.
  • this copper layer is a applied photoresistant coating.
  • 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.
  • a kind of flame spraying process is also suitable for the production of the plastic carrier.
  • a metal wire is melted or melted and sprayed onto the plastic carrier.
  • the back-injected printed circuit foil it is again an additive metallizing coating.
  • 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 uses known and in part modified MID methods.
  • the main benefits In the following the invention will be explained in more detail with reference to a drawing showing only one exemplary embodiment; show it:
  • FIG. 1 shows the motor vehicle door lock according to the invention in a partial section
  • Fig. 2 the conductor sheet used in a schematic overview.
  • 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 still includes a housing 6, which is partially opened or removed at the transition from Fig. 1 to Fig. 2.
  • 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 connection socket 7 and the two switches 8 are, like the electric motor 2, electrically connected to one another via a conductor track foil 9, which is basically shown in FIG. 2. 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.
  • connection socket 7 ensures the control of the electric motor 2 with the interposition of the conductor foil 9.
  • the one half of the housing or the upper housing part 6a functions as a plastic support 6a or component support 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.
  • this is first formed by means of a plastic injection molding tool. Subsequently, electrical conductor tracks in the form of the conductor foil 9 are applied to the plastic carrier 9 in question. This happens within the scope of the invention by hot stamping.
  • the conductor foil 9 is punched out of a metal foil and impressed into the plastic carrier 6a with simultaneous application of pressure and heat.
  • 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 accordingly that the printed circuit film 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.
  • the conductor foil 9 or the individual conductor tracks defined with the conductor foil 9 are applied to the plastic support 6a in an additive metallizing manner.

Landscapes

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

Abstract

L'invention concerne un procédé de fabrication d'une serrure de porte de véhicule automobile et une telle serrure de porte de véhicule automobile. Des composants électriques/électroniques (7, 8) sont placés dans et/ou sur un boîtier (6). Toutes les pistes conductrices électriques destinées à la mise en contact des composants (7, 8), ou quelques-unes d'entre elles, sont intégrées dans un support en matière plastique (6a). Selon l'invention, les pistes conductrices électriques sont appliquées sur le support en matière plastique (6a) à réaliser ou réalisé de manière indépendante.
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 true EP2499314A2 (fr) 2012-09-19
EP2499314B1 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)

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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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Also Published As

Publication number Publication date
DE102009053384A1 (de) 2011-05-19
CN102597399A (zh) 2012-07-18
WO2011057619A3 (fr) 2011-07-21
WO2011057619A2 (fr) 2011-05-19
CN102597399B (zh) 2015-06-10
RU2012117511A (ru) 2013-12-20
RU2561860C2 (ru) 2015-09-10
EP2499314B1 (fr) 2015-04-01

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