EP3748111B1 - Serrure de véhicule automobile - Google Patents

Serrure de véhicule automobile Download PDF

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Publication number
EP3748111B1
EP3748111B1 EP20173817.6A EP20173817A EP3748111B1 EP 3748111 B1 EP3748111 B1 EP 3748111B1 EP 20173817 A EP20173817 A EP 20173817A EP 3748111 B1 EP3748111 B1 EP 3748111B1
Authority
EP
European Patent Office
Prior art keywords
motor vehicle
energy storage
housing part
leadframe
vehicle lock
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
EP20173817.6A
Other languages
German (de)
English (en)
Other versions
EP3748111A1 (fr
Inventor
Ludger Graute
René Bekendam
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.)
Brose Schliesssysteme GmbH and Co KG
Original Assignee
Brose Schliesssysteme GmbH and Co KG
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
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Publication of EP3748111A1 publication Critical patent/EP3748111A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/12—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators
    • E05B81/16—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on locking elements for locking or unlocking action
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B79/00—Mounting or connecting vehicle locks or parts thereof
    • E05B79/02—Mounting of vehicle locks or parts thereof
    • E05B79/08—Mounting of individual lock elements in the lock, e.g. levers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/80—Electrical circuits characterised by the power supply; Emergency power operation
    • E05B81/86—Electrical circuits characterised by the power supply; Emergency power operation using capacitors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
    • E05B85/02—Lock casings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/10—Covers; Housings
    • E05Y2201/11—Covers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/40—Motors; Magnets; Springs; Weights; Accessories therefor
    • E05Y2201/404—Function thereof
    • E05Y2201/42—Function thereof for locking
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/40—Control units therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/65—Power or signal transmission
    • E05Y2400/654—Power or signal transmission by electrical cables
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/502—Clamping
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/60—Mounting or coupling members; Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/531—Doors

Definitions

  • the invention relates to a motor vehicle lock according to claim 1 and a method for producing such a motor vehicle lock according to claim 17.
  • the motor vehicle lock in question is equipped with a locking mechanism, which regularly has the locking elements “lock latch” and “pawl”, and with a lock housing structure.
  • the motor vehicle lock has motor functions such as opening the locking mechanism.
  • the DE 10 2015 109494 A1 shows a motor vehicle lock with a locking mechanism and a lock housing structure with a motor drive arrangement.
  • a control unit for controlling the drive arrangement is also provided.
  • the lock housing structure also has an inner housing part equipped with the lock mechanism and the drive arrangement and a control housing part equipped with a control circuit board. Also provided is a lead frame of lead frames extending along the board plane to allow the control board to be electrically connected to other components to simplify wiring configurations and arrangements for the vehicle subsystems.
  • Another well-known motor vehicle lock ( DE 20 2013 103 042 U1 ) shows a drive arrangement with an electric drive motor, which is used to lift the pawl of the barrage.
  • the lock housing structure accommodates a capacitive energy storage arrangement.
  • an electrical voltage supply is available for the drive arrangement or a control unit assigned to the drive arrangement.
  • the invention is based on the problem of designing and developing the known motor vehicle lock in such a way that the control of the drive arrangement involved components are pre-assembled and that at the same time a high degree of structural flexibility in terms of the location of the drive assembly is guaranteed at low cost.
  • a motor vehicle lock in which the drive arrangement is arranged separately from the locking mechanism in a separate fluid-tight housing is from U.S. 9,353,556 B2 famous. From the DE 11 2014 004 455 T5 is a motor vehicle lock known, in which the storage arrangement and the drive arrangement is electrically connected directly to the printed circuit board.
  • the lock housing structure has an inner housing part equipped with the locking mechanism and the drive arrangement, a housing cover for closing an upper side of the inner housing part and between the inner housing part and the housing cover a control housing part equipped with a flat control circuit board of the control unit and the energy storage arrangement.
  • This design of the lock housing structure allows the above-mentioned pre-assembly of the control circuit board and the energy storage arrangement, in that the control housing part is equipped with these control components and, if necessary, further control components. This allows a self-contained functional unit to be built on the control housing part, which can already be subjected to a functional test in the pre-assembled state.
  • control housing part is assigned a leadframe made of leadframe lines extending at least in sections along the plane of the circuit board, with at least part of the drive arrangement being electrically connected to the control circuit board via the leadframe lines of the leadframe.
  • the arrangement of the drive arrangement is not limited to the extension of the control circuit board, but that the drive arrangement can be arranged largely arbitrarily with a suitable design of the stamped grid. Due to the fact that the stamped grid extends at least in sections along the board level of the control board, the drive arrangement can be arranged laterally offset to the control board as desired along the board level.
  • the control board can be designed independently of the position of the drive arrangement. This results in the possibility of reducing the expansion of the control board in the board level.
  • the control board can have a simple shape, especially rectangular or square, since the control board no longer necessarily has to extend towards the drive arrangement.
  • connection and arrangement of the energy storage arrangement are the subject of claims 2 and 3.
  • the electrical connection of the energy storage arrangement to the control board via lead frame lines of the lead frame according to claim 2 enables the energy storage arrangement to be positioned laterally offset relative to the control board according to claim 3.
  • This Spatial decoupling of the energy storage arrangement from the control board also leads to a high level of structural flexibility here, on the one hand with regard to the position of the energy storage arrangement and, on the other hand, with regard to the design of the control board.
  • the drive arrangement and/or the control circuit board and/or the energy storage arrangement is or are preferably connected directly to the pressed screen, that is to say without intermediate connecting elements.
  • a plug connection or plug connections is proposed.
  • such a plug-in connection is easy to produce and, on the other hand, with a suitable design it is insensitive to mechanical tolerances.
  • the dividing wall can also preferably be used as a carrier for the stamped grid, in that the stamped grid is let into the dividing wall, preferably using the plastic injection molding process.
  • the dividing wall is of course made of a plastic material.
  • connection tongues are preferably part of the plug connection mentioned above, so that the connecting piece provides a counter bearing when the plug connection is produced.
  • the connecting piece is embedded in the partition wall, as mentioned above.
  • connection tongues of the pressed screen lines are the subject matter of claims 7 to 9. It is clear here that an extraordinarily high structural flexibility can be achieved with the proposed pressed screen.
  • control housing part interacts with the housing cover in order to form at least one essentially closed chamber for accommodating the energy storage arrangement and/or the control circuit board (claim 12).
  • the further preferred embodiment according to claim 15 ensures that the electrical connection of the energy storage arrangement to the pressed screen is not impaired during normal operation of the motor vehicle lock, in particular by an associated motor vehicle door slamming shut.
  • control housing part in particular the control circuit board
  • housing cover is preferably equipped with at least one corresponding recess through which the connector arrangement is accessible.
  • control housing part is fitted with the control circuit board and the energy storage arrangement and only then is the inner housing part fitted with the control housing part.
  • a function test of the functional unit preassembled in this way is carried out.
  • control housing part is fitted with the control circuit board and/or the energy storage arrangement, preferably by joining the control circuit board or the energy storage arrangement to the stamped grid.
  • the proposed motor vehicle lock 1 is used in all types of locking elements of a motor vehicle. These include, in particular, side doors, rear doors, tailgates, trunk lids, front hoods, in particular engine hoods. These closure elements can be designed in the manner of pivoting doors or in the manner of sliding doors.
  • the motor vehicle lock 1 with a locking mechanism 2 from a lock latch 3 and a pawl arrangement associated with the lock latch 4 is equipped.
  • the lock latch 3 interacts in the usual way with a locking part 5 in order to keep the associated locking element in the closed position.
  • the pawl arrangement 4 of two pawls 4a, 4b blocks the lock latch 3 in its respective closed position.
  • the pawl assembly 4 here the pawl 4b, lift.
  • the locking part 5 is preferably arranged on the motor vehicle body, while the motor vehicle lock 1 is arranged on the locking element. This can also be provided the other way around.
  • the motor vehicle lock 1 also has a lock housing structure 6 which, as also shown in 1 is shown, is multi-part.
  • a motorized drive arrangement 7 for the motorized drive of at least one mechanical lock component, here the pawl 4b, a control unit 8 for controlling the drive arrangement 7 and a preferably capacitive energy storage arrangement 9 for the electrical voltage supply of the drive arrangement 7 and/or or the control unit 8 is provided.
  • the drive arrangement 7 has a first electric drive motor 10, which is used to lift the pawl 4b and thus to open the locking mechanism 2.
  • the drive arrangement 7 can only have a single electric drive motor.
  • the drive arrangement 7 has a second drive motor 11, which is used to set mechanical locking states.
  • a lock mechanism 12 is provided for this purpose, which can be brought into the various locking states by the second drive motor 11 .
  • the motor vehicle lock 1 shown and preferred in this respect is an electric lock with mechanical redundancy. This means that the locking mechanism 2 can be opened on the one hand by the drive arrangement 7 and on the other hand by manual actuation, for example via a manually deflectable outside door handle. In principle, however, the motor vehicle lock 1 can also be a purely electric lock.
  • the lock housing structure 6 has an inner housing part 13 equipped with the locking mechanism 2 and the drive arrangement 7, a housing cover 14 for closing an upper side 15 of the inner housing part 13 and between the inner housing part 13 and the housing cover 14 has a control housing part 17 equipped with a flat control circuit board 16 of the control unit 8 and the energy storage arrangement 9 .
  • This arrangement allows the control housing part 17 to be fully equipped with the energy storage arrangement 9, the control circuit board 16 and, if necessary, further electrical or electronic components such as actuators, sensors, switches or the like.
  • the control housing part 17 fitted in this way forms a self-contained functional unit which can already be subjected to a functional test in this pre-assembled state.
  • closure in connection with the housing parts, in particular with the housing cover 14, is to be interpreted broadly. This is not necessarily a closure that seals against liquid on all sides, but can also be realized in the sense of a cover. This in particular against the background that, depending on the design of the motor vehicle lock 1, passages for levers or the like may have to be provided.
  • control housing part 17 is assigned an electrically conductive stamped grid 19 made up of stamped grid lines 20, 21, which extends at least in sections along the circuit board plane 18 of the control circuit board 16, with at least part of the drive arrangement 7 being connected via the stamped grid lines 20, 21 of the stamped grid 19 is electrically connected to the control board 16.
  • the lead frame lines 20 assigned to the drive arrangement 7 are in 2 shown. From this representation it is evident that the drive arrangement 7, in particular the drive motors 10, 11, can be arranged largely arbitrarily along the circuit board plane 18 of the control circuit board 16 without the control circuit board 16 having to have correspondingly large dimensions. Furthermore shows 2 that the production of a still to be explained plug connection with the stamped grid 19 is easily possible due to the extension of the stamped grid 19 along the board level 18, provided that the assembly movements required for this are provided transversely to the board level 18, as in the illustrated embodiment.
  • control boards 16 are provided, which in turn are connected to the pressed screen 19 .
  • the design flexibility that can be achieved with the proposed solution relates not only to the positioning of the drive arrangement 7, but also to the positioning of the energy storage arrangement 9.
  • the energy storage arrangement 9 is electrically connected here and preferably also via lead frame lines 21 of the lead frame 19 to the control circuit board 16. This makes it possible, in particular, for the energy storage arrangement 9 to be positioned laterally offset relative to the control circuit board 16 along the circuit board plane 18 . In addition, it is here and preferably so that the energy storage arrangement 9 is positioned directly on or in the board level 18 of the control board 16 .
  • the energy storage arrangement 9 is a capacitive energy storage arrangement.
  • Such an energy storage arrangement 9 has capacitors for storing electrical energy. These capacitors are preferably supercapacitors, which are also referred to as ultracapacitors.
  • the energy storage arrangement 9 can have other types of energy storage, in particular accumulators or the like.
  • the energy storage arrangement 9 has a first capacitor 22 and a second capacitor 23, which are configured separately from one another. In principle, it can also be provided that only a single capacitor or more than two capacitors are assigned to the energy storage arrangement 9 .
  • the electrical connection between the energy storage arrangement 9 and the control circuit board 16 can be designed to be particularly insensitive to mechanical tolerances.
  • the electrical connection is concerned, relative movements between the control circuit board 16 and the energy storage arrangement 9 affect the respective other component only via the stamped grid 19 .
  • the stamped grid 19 can be designed to be flexible, at least in sections, which further increases the insensitivity to tolerances.
  • control circuit board 16 and the energy storage arrangement 9 are mounted separately from one another on the control housing part 17 in the exemplary embodiment shown and in this respect preferred, so that a mechanical interaction between these two components is further reduced.
  • mechanical vibrations of the energy storage arrangement 9 are at best transmitted to the control housing part 17 and not directly to the control circuit board 16. This mechanical decoupling leads to a mechanical protection of the control board 16 and thus to a reduction in the probability of failure of the control board 16.
  • this connection is a plug-in connection, which can be designed as a plug-socket connection, as an insulation displacement connection or the like.
  • a plug-in connection can be produced with a simple assembly movement and, with a suitable design, allows a high degree of insensitivity to tolerances along the respective assembly movement.
  • the electrical connection between the drive arrangement 7 and the stamped grid 19 is designed as a plug-in connection, as shown in the illustration 2 can be seen.
  • the plug-in connection between the drive arrangement 7 and the stamped grid 19 is a plug-socket connection 24, 25.
  • the electrical connection between the control circuit board 16 and the stamped grid 19 is a plug-in connection is designed.
  • the plug-in connection is designed as a plug-socket connection 26, so that the control board 16 can be easily plugged onto the stamped grid 19.
  • the electrical connection between the energy storage arrangement 9 and the stamped grid 19 is designed as a plug-in connection.
  • the plug connection is an insulation displacement connection 27, 28, which is provided between the connections 22a, 23a and the stamped grid 19.
  • the connections 22a, 23a are of different dimensions in pairs, in accordance with the associated connection tongues, in such a way that polarity reversal of the connections 22a, 23a is ruled out.
  • plug-in connections can be manufactured easily by means of a simple assembly movement and that they are highly insensitive to mechanical tolerances.
  • the control housing part 17 is equipped with a partition wall 29, which runs here preferably parallel to the circuit board level 18 and defines an upper side 30 and a lower side 31 of the control housing part 17, with the control circuit board 16 and the energy storage arrangement 9 being arranged on the upper side and the drive arrangement 7 being arranged on the lower side .
  • This basic arrangement results in a compact construction of the motor vehicle lock 1 overall.
  • the stamped grid 19 is let into a housing wall of the lock housing structure 6 .
  • This housing wall is here and preferably the partition wall 29 mentioned above.
  • Preferred variants for the design of the lead frame lines 20, 21 of the lead frame 19 are in 2 shown.
  • at least a portion of the lead frame lines 20, 21 of the lead frame 19 each have a running along the circuit board level 18, here and preferably embedded in the partition 29, Connecting piece 32, 33 with terminal tongues 34, 35; 36, 37, with the connection tongues 34, 35; 36, 37, here and preferably transversely, protrude from the partition 29.
  • the length of the connecting piece 32, 33 is greater than the respective lengths of the terminal tongues 34, 35; 36, 37. This takes into account the fact that the proposed offset of the drive arrangement 7 or the energy storage arrangement 9 relative to the control circuit board 16 goes beyond just a slight displacement.
  • connection tongues here the connection tongues 34, 35, 37, are preferably designed as connection pins which each provide connection plugs of a plug-socket connection.
  • connection tongues here the connection tongues 36
  • connection tongues are designed in the manner of insulation displacement terminals.
  • connection tongues are designed as resilient connection elements, and/or that at least some of the connection tongues are designed as, here and preferably resilient, connection sockets. All of these preferred configurations of connection sockets are used to produce the above electrical connection to the stamped grid 19 via a plug-in connection that is easy to produce and is not sensitive to tolerances with regard to mechanical tolerances. In principle, however, the relevant electrical connections can also be produced at least in part by a conventional soldering process.
  • a synopsis of 1 and 2 shows further that the housing cover 14, together with the inner housing part 13, encloses the control housing part 17 completely, in particular sealingly. This results in further structural flexibility, in particular with regard to the design of the control housing part 17 and the tightness requirements that may have to be implemented there.
  • the term "sealing" is to be understood here in the sense of a liquid-tight seal.
  • the control housing part 17 has a first housing section 38 for accommodating the energy storage arrangement 9 and, separately therefrom, a second housing section 39 for accommodating the control circuit board 16.
  • the energy storage arrangement 9 has the above-mentioned electrical connections 22a, 23a, which protrude through the side wall 40 and - from the energy storage arrangement 9 - beyond the side wall 40 in electrical connection with associated connection tongues 36 of the stamped grid 19 stand.
  • the side wall 40 is here and preferably transverse to the above-mentioned partition 29.
  • control housing part 17 forms at least one chamber, which is closed in the above sense, for accommodating the energy storage arrangement 9 and/or the control circuit board 16.
  • first housing section 38 and the second housing section 39 together each form a closed chamber in the above sense with the housing cover 14 .
  • An assembly direction 41 is preferably assigned to the motor vehicle lock 1 , wherein the control housing part 17 can be equipped with the energy storage arrangement 9 in an assembly movement 42 in the assembly direction, producing the plug-in connection with the stamped grid 19 .
  • the control housing part 17 with the control circuit board 16 in one Assembly movement 43 in the assembly direction 41, producing the plug-in connection with the stamped grid 19, can be assembled.
  • the inner housing part 13 can be equipped with the control housing part 17 in an assembly movement 44 in the assembly direction 41, producing the plug-in connection with the stamped grid 19.
  • the exemplary embodiment shown shows an interesting mechanical fixation of the energy storage arrangement 9.
  • the control housing part 17 has a clamping arrangement 45, with the energy storage arrangement 9 being clamped during the assembly movement 42 of the energy storage arrangement 9 in the assembly direction 41 45 comes into clamping engagement with the control housing part 17.
  • the clamping arrangement 45 preferably has clamping ribs 46 which extend along the assembly direction 41 .
  • Other variants for the configuration of the clamping arrangement 45 are conceivable.
  • a particular advantage of the clamping arrangement 45 is the fact that the assembly movement 42 of the energy storage arrangement 9 not only creates an electrical connection, but also a mechanical connection.
  • the assembly movement, in particular of the energy storage arrangement 9, is of particular importance here, since it must be ensured that the energy storage arrangement 9, as a safety-relevant component, always has a secure electrical connection to the stamped grid 19.
  • This relates in particular to the situation in which an associated closure element, in particular an associated motor vehicle door, slams shut, which is accompanied by a corresponding force effect on the energy storage arrangement 9 .
  • the motor vehicle lock 1 is initially assigned a closing direction 47, in which the motor vehicle lock 1 runs in the assembled state when the assigned closure element is closed. It is now preferably the case that the assembly movement 42 of the energy storage arrangement 9 is oriented differently, in particular transversely, to the closing direction 47 . This ensures that the electrical connection of the energy storage arrangement 9 to the stamped grid 19 is not impaired when used as intended.
  • the housing cover 14 has a hold-down arrangement 48a, which acts in the assembly direction 41 in a non-positive manner on the energy storage arrangement 9, in particular on the housing of the capacitors 22, 23. This ensures that any accelerations that occur, in particular vibrations, cannot lead to an impairment of the electrical connection between the energy storage arrangement 9 and the stamped grid.
  • the hold-down arrangement 48a has web-like formations which are arranged on an inside of the housing cover 14 .
  • the housing cover 14 has a contact holder arrangement 48b, which acts in a non-positive manner on the connections 22a, 23a of the energy storage arrangement 9, in particular the capacitors 22, 23, in the mounting direction 41. This in turn ensures that the connections 22a, 23a cannot leave the connection with the pressed screen 19.
  • control housing part 17, here and preferably the control circuit board 16 is equipped with an electrical plug arrangement 49 which is accessible through the housing cover 14 is only indicated in the drawing.
  • the housing cover 14 is equipped with corresponding recesses 50 for this purpose.
  • control housing part 17 is first fitted with the control circuit board 16 and the energy storage arrangement 9 . Only then is the inner housing part 13 fitted with the control housing part 17, as a result of which the electrical connection between the control circuit board 16 and the drive arrangement 7 is established. As described above, a functional test can be carried out with the first-mentioned method step without the complete motor vehicle lock 1 having to be installed.
  • the control housing part 17 is preferably equipped with the control circuit board 16 and/or the energy storage arrangement 9 by joining the control circuit board 16 or the energy storage arrangement 9 to the stamped grid 19 . It was mentioned above that this should preferably be done via a Connector is provided. Reference may be made to all statements relating to the proposed motor vehicle lock 1 which are suitable for explaining the proposed method.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Lock And Its Accessories (AREA)

Claims (18)

  1. Serrure de véhicule automobile comprenant un mécanisme de verrouillage (2) et une structure de boîtier de serrure (6), un ensemble d'entraînement par moteur (7) destiné à entraîner au moins un composant de serrure mécanique, une unité de commande (8) destinée à commander l'ensemble d'entraînement (7) et un ensemble accumulateur d'énergie (9), en particulier capacitif, destiné à l'alimentation en tension électrique de l'ensemble d'entraînement (7) et/ou de l'unité de commande (8) étant prévus dans ou sur la structure de boîtier de serrure (6),
    la structure de boîtier de serrure (6) comportant une partie de boîtier intérieure (13) équipée du mécanisme de verrouillage (2) et de l'ensemble d'entraînement (7), un couvercle de boîtier (14) destiné à fermer un côté supérieur (15) de la partie de boîtier intérieure (13) et, entre la partie de boîtier intérieure (13) et le couvercle de boîtier (14), une partie de boîtier de commande (17) équipée d'une carte de commande plane (16) de l'unité de commande (8) et de l'ensemble accumulateur d'énergie (9), en ce que la partie de boîtier de commande (17) est associée à une grille estampée (19) qui s'étend au moins par portions le long du plan (18) de la carte de commande (16) et qui comprend des lignes de grille estampée (20, 21) et en ce qu'au moins une partie de l'ensemble d'entraînement (7) est reliée électriquement à la carte de commande (16) par le biais des lignes (20) de la grille estampée (19) .
  2. Serrure de véhicule automobile selon la revendication 1, caractérisée en ce que l'ensemble accumulateur d'énergie (9) est relié électriquement à la carte de commande (16) par le biais des lignes (21) de la grille estampée (19).
  3. Serrure de véhicule automobile selon la revendication 1 ou 2, caractérisée en ce que l'ensemble accumulateur d'énergie (9) est positionné le long du plan de carte (18) de manière latéralement décalée par rapport à la carte de commande (16).
  4. Serrure de véhicule automobile selon l'une des revendications précédentes, caractérisée en ce que la liaison électrique entre l'ensemble d'entraînement (7) et la grille estampée (19) et/ou la liaison électrique entre la carte de commande (16) et la grille estampée (19) et/ou la liaison électrique entre l'ensemble accumulateur d'énergie (9) et la grille estampée (19) sont réalisées sous la forme d'une liaison enfichable respectivement de liaisons enfichables, de préférence en ce que la liaison enfichable est réalisée sous la forme d'une liaison mâle-femelle, d'une liaison à borne guillotine, ou similaire.
  5. Serrure de véhicule automobile selon l'une des revendications précédentes, caractérisée en ce qu'une cloison (29) de la partie de boîtier de commande (17) définit un côté supérieur (30) et un côté inférieur (31) de la partie de boîtier de commande (17) et en ce que la carte de commande (16) et l'ensemble accumulateur d'énergie (9) sont disposés du côté supérieur et l'ensemble d'entraînement (7) est disposé du côté inférieur, de préférence en ce qu'au moins une partie de la grille estampée (19) est encastrée dans la cloison (29).
  6. Serrure de véhicule automobile selon l'une des revendications précédentes, caractérisée en ce qu'au moins une partie des lignes (20, 21) de la grille estampée (19) comporte une pièce de liaison (32, 33) qui s'étend le long du plan de carte (18), qui est de préférence encastrée dans la cloison (29) et qui est pourvue de languettes de raccordement côté extrémité (34, 35 ; 36, 37) et en ce que les languettes de raccordement (34, 35 ; 36, 37) font saillie, notamment transversalement, de la cloison (29), de préférence en ce que la longueur de la pièce de liaison (32, 33) est supérieure aux longueurs respectives des languettes de raccordement côté extrémité (34, 35 ; 36, 37).
  7. Serrure de véhicule automobile selon la revendication 6, caractérisée en ce qu'au moins une partie des languettes de raccordement (34, 35 ; 36, 37) est réalisée sous forme de broches de raccordement, et/ou en ce qu'au moins une partie des languettes de raccordement (34, 35 ; 36, 37) est réalisée sous forme d'éléments de raccordement à ressort, et/ou en ce qu'au moins une partie des languettes de raccordement (34, 35 ; 36, 37) est réalisée sous la forme de douilles de raccordement, notamment à ressort, et/ou en ce qu'au moins une partie des languettes de raccordement (34, 35 ; 36, 37) est réalisée à la manière de bornes à guillotine.
  8. Serrure de véhicule automobile selon la revendication 6, caractérisée en ce que les deux languettes de raccordement côté extrémité (36, 37) d'au moins une partie des lignes de grille estampée (20, 21), de préférence des lignes de grille estampée (21) associées à l'ensemble accumulateur d'énergie (9), font saillie de la cloison (29) dans la même direction.
  9. Serrure de véhicule automobile selon la revendication 6, caractérisée en ce que les deux languettes de raccordement côté extrémité (34, 35) d'au moins une partie des lignes de grille estampée (20, 21), de préférence des lignes de grille estampée (20) associées à l'ensemble d'entraînement (7), font saillie de la cloison (29) dans la direction opposée.
  10. Serrure de véhicule automobile selon l'une des revendications précédentes, caractérisée en ce que le couvercle de boîtier (14) et la partie de boîtier intérieure (13) enserrent de manière conjointe complètement, notamment de manière étanche, la partie de boîtier de commande (17).
  11. Serrure de véhicule automobile selon l'une des revendications précédentes, caractérisée en ce que la partie de boîtier de commande (17) comporte une première portion de boîtier (38) destinée à recevoir l'ensemble accumulateur d'énergie (9) et, séparément de celle-ci, une deuxième portion de boîtier (39) destinée à recevoir la carte de commande (16), de préférence en ce que les deux portions de boîtier (38, 39) sont séparées l'une de l'autre par une paroi latérale (40), plus préférablement en ce que l'ensemble accumulateur d'énergie (9) comporte des bornes électriques (22a, 23a) qui font saillie à travers la paroi latérale (40) et qui sont en liaison électrique avec des languettes de raccordement associées de la grille estampée (19) au-delà de la paroi latérale (40).
  12. Serrure de véhicule automobile selon l'une des revendications précédentes, caractérisée en ce que la partie de boîtier de commande (17) forme conjointement avec le couvercle de boîtier (14) au moins une chambre fermée destinée à loger l'ensemble accumulateur d'énergie (9) et/ou la carte de commande (16), de préférence en ce que la première portion de boîtier (38) et la deuxième portion de boîtier (39) forment chacune conjointement avec le couvercle de boîtier (14) une chambre fermée.
  13. Serrure de véhicule automobile selon l'une des revendications précédentes, caractérisée en ce que la serrure de véhicule automobile (1) est associée à un sens de montage (41) et en ce que la partie de boîtier de commande (17) peut être équipée de l'ensemble accumulateur d'énergie (9) dans un mouvement de montage (42) dans la direction de montage (41), en réalisant la liaison enfichable avec la grille estampée (19), et/ou en ce que la partie de boîtier de commande (17) peut être équipée de la carte de commande (16) dans un mouvement de montage (43) dans le sens de montage (41), en réalisant la liaison enfichable avec la grille estampée (19) et/ou en ce que la partie de boîtier intérieure (13) peut être équipée de la partie de boîtier de commande (17) dans un mouvement de montage (44) dans le sens de montage (41), en réalisant la liaison enfichable avec la grille estampée (19).
  14. Serrure de véhicule automobile selon l'une des revendications précédentes, caractérisée en ce que la partie de boîtier de commande (17) comporte un ensemble de serrage (45) et en ce que, lors du mouvement de montage (42) de l'ensemble accumulateur d'énergie (9) dans direction de montage (41), l'ensemble accumulateur d'énergie (9) vient en engagement de serrage avec la partie de boîtier de commande (17) par le biais de l'ensemble de serrage (45), de préférence en ce que l'ensemble de serrage (45) comporte des nervures de serrage (46) qui s'étendent dans le sens de montage (41) .
  15. Serrure de véhicule automobile selon l'une des revendications précédentes, caractérisée en ce que la serrure de véhicule automobile (1) est associée à un sens de fermeture (47) dans lequel la serrure de véhicule automobile (1) fonctionne à l'état monté lors de la fermeture d'un élément de fermeture associé et en ce que le mouvement de montage (42) de l'ensemble accumulateur d'énergie (9) est orienté différemment, en particulier transversalement, par rapport au sens de fermeture (47).
  16. Serrure de véhicule automobile selon l'une des revendications précédentes, caractérisée en ce que la partie de boîtier de commande (17), en particulier la carte de commande (16), est équipée d'un ensemble connecteur électrique (49) qui est accessible à travers le couvercle de boîtier (14).
  17. Procédé de fabrication d'une serrure de véhicule automobile selon l'une des revendications précédentes, caractérisé en ce que la partie de boîtier de commande (17) est équipée de la carte de commande (16) et de l'ensemble accumulateur d'énergie (9) puis la partie de boîtier intérieure (13) est équipée de la partie boîtier de commande (17).
  18. Procédé selon la revendication 17, caractérisé en ce que la partie de boîtier de commande (17) est équipée de la carte de commande (16) et/ou de l'ensemble accumulateur d'énergie (9) du fait que la carte de commande (16) ou l'ensemble accumulateur d'énergie (9) est assemblé à la grille estampée (19).
EP20173817.6A 2019-06-06 2020-05-11 Serrure de véhicule automobile Active EP3748111B1 (fr)

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DE102019115445.6A DE102019115445A1 (de) 2019-06-06 2019-06-06 Kraftfahrzeugschloss

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US11959314B2 (en) 2024-04-16
US20240209657A1 (en) 2024-06-27
US20200386016A1 (en) 2020-12-10
EP3748111A1 (fr) 2020-12-09
DE102019115445A1 (de) 2020-12-10

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