EP3099871B1 - Dispositif de fermeture électrique de portière de véhicule automobile à sécurité de fonctionnement élevée - Google Patents

Dispositif de fermeture électrique de portière de véhicule automobile à sécurité de fonctionnement élevée Download PDF

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Publication number
EP3099871B1
EP3099871B1 EP15713625.0A EP15713625A EP3099871B1 EP 3099871 B1 EP3099871 B1 EP 3099871B1 EP 15713625 A EP15713625 A EP 15713625A EP 3099871 B1 EP3099871 B1 EP 3099871B1
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EP
European Patent Office
Prior art keywords
actuator
motor vehicle
vehicle door
locking mechanism
door latch
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
EP15713625.0A
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German (de)
English (en)
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EP3099871A1 (fr
Inventor
Armin Handke
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Kiekert AG
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Kiekert AG
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Publication of EP3099871A1 publication Critical patent/EP3099871A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B77/00—Vehicle locks characterised by special functions or purposes
    • E05B77/02—Vehicle locks characterised by special functions or purposes for accident situations
    • E05B77/12—Automatic locking or unlocking at the moment of collision
    • 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
    • E05B81/14—Power-actuated vehicle locks characterised by the function or purpose of the powered actuators operating on bolt detents, e.g. for unlatching the bolt
    • 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
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/54—Electrical circuits
    • E05B81/90—Manual override in case of power failure
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B83/00—Vehicle locks specially adapted for particular types of wing or vehicle
    • E05B83/28—Locks for glove compartments, console boxes, fuel inlet covers or the like
    • E05B83/34—Locks for glove compartments, console boxes, fuel inlet covers or the like for fuel inlet covers essentially flush with the vehicle surface

Definitions

  • the present invention relates to a motor vehicle door lock with a locking mechanism and an opening actuator and a method for operating the same.
  • Motor vehicle door locks are known for many years. These usually include a catch with a catch which cooperates with a striker and a pawl for the catch. Originally, the locking mechanism was unlocked using only an actuator such as a door handle. Recently, there has been a development to unlock ratchets by means of an opening actuator.
  • the opening actuator is often an electric drive, so that overall can also be spoken by an electric motor vehicle door lock.
  • all other suitable types of actuators are also usable, such that an automotive electrical door latch means any type of automotive door actuation latch. In normal operation of the electrical motor vehicle door lock the actuator is set ineffective. The unlocking of the locking is done exclusively via the ⁇ Stammsaktuator.
  • the document DE 100 48 709 A1 discloses a motor vehicle door lock with the features of the preamble of claim 1.
  • it is desirable in an emergency for example, in the interruption of the power supply or in an accident, to be able to unlock the locking purely manual, ie by means of the actuator.
  • some electrical motor vehicle door locks on a Umschaltaktuator that effectively sets the actuator in an emergency.
  • An inventive motor vehicle door lock has a locking mechanism, a ⁇ ffhungsaktuator to unlock the locking mechanism, an actuator for unlocking the locking mechanism and a Umschaltaktuator that can assume a normal position and an emergency position, wherein the Umschaltaktuator in the normal position, the actuator is ineffective and in the emergency position the Actuator effectively sets.
  • the motor vehicle door lock furthermore has a control unit for activating the changeover actuator. According to the invention, the control unit is set up to move the changeover actuator from the normal position into the emergency position in a predetermined cycle.
  • the ratchet usually includes a catch and a pawl.
  • the rotary latch cooperates with a locking pin to close the motor vehicle door or release for opening.
  • the pawl prevents rotation of the catch and thus release the striker.
  • the locking mechanism is unlocked exclusively by means of the confirmation member.
  • the actuator is in particular a manual actuator, such as a door handle or a lever. By means of the actuator, the locking mechanism is thus unlocked manually.
  • the unlocking of the locking mechanism takes place by means of the opening actuator.
  • a corresponding signal is generated, for example by pressing a button or exerting a force on the actuator, the opening actuator is driven accordingly to unlock the ratchet.
  • the actuating member is set ineffective by means of the Umschaltaktuators, so that an actuation of the actuator, for example, is prevented or does not lead to an unlocking of the locking mechanism.
  • the control unit controls the changeover actuator so that it changes from its normal position to its emergency position. This is the actuator set effective and the locking mechanism can be unlocked manually in particular by means of the actuator.
  • the control unit is set up to (additionally) set the changeover actuator to the emergency position in a predetermined cycle independently of the presence of an emergency from the normal position. Since the emergency is a very rarely occurring case, the activation of the actuator by means of the Umschaltaktuators takes place correspondingly rare. This can lead to the fact that the activation of the actuator is not possible due to the long-term non-use of this function, for example due to a blockage of the Umschaltaktuators or an associated mechanism. If this function is not used for a long time, a number of components which are necessary for the activation of the actuating element may become lodged. This is prevented by the shift actuator being shifted from the normal position to the emergency position in a predetermined cycle, even if no emergency has occurred. As a result, the Umschaltaktuator and any associated mechanics are kept popular.
  • the displacement of the changeover actuator from the normal position to the emergency position in the predetermined cycle preferably comprises the subsequent displacement of the changeover actuator back from its emergency position to its normal position.
  • it may also comprise the multiple displacement of the changeover actuator from the normal position into the emergency position and back again.
  • control unit is not only used to control the Umschaltaktuators, but also for driving the ⁇ réellesaktuators.
  • the control unit is preferably connected to a sensor which generates a corresponding output signal when the locking is to be unlocked by the ⁇ réellesaktuator.
  • the sensor detects, for example, the operation of a button or a force on a door handle.
  • An actuator that is to say in particular the opening actuator and / or the switching actuator, may be of suitable type.
  • An actuator contains in particular an electric drive, but may for example also be a magnetic, hydraulic, pneumatic or Piezoelectric drive included.
  • the actuator may include a further mechanism, in particular a transmission.
  • an actuator which may also be referred to as an actuator, a component or an assembly that / a control signal, in particular an electrical signal, converts into a mechanical movement
  • an actuator is a component that is manually operated, ie is moved in particular by the application of a force by an operator.
  • the opening actuator and the switching actuator become the same actuator.
  • This actuator then has in particular at least three positions, namely a first position in which the actuator is set inoperative and the locking mechanism is locked, a second position in which the confirmation member is set inoperative and the locking mechanism is unlocked, and a third position, in the the actuator is set effectively.
  • the locking mechanism is preferably not blocked by the actuator, so that the locking mechanism can be unlocked by an actuation of the actuating member.
  • the first and second positions are both normal positions for the actuator in its function as a changeover actuator.
  • the term "normal position" may thus comprise more than one actuator position.
  • the motor vehicle door lock on a driven by the Umschaltaktuator latch which blocks the actuator in the normal position of the Umschaltaktuators and thus sets ineffective.
  • the bolt does not block the actuator, so that an actuation of the actuator can unlock the locking mechanism.
  • blocking not only means a complete prevention of movement of the actuator, for example relative to a motor vehicle door, in which the power door lock is installed, but also includes the case in which such movement of the actuator is possible that thereby the locking is not unlocked, but the movement can be detected, for example, to generate a control signal for driving the ⁇ schensaktuators so that it unlocks the locking.
  • the bolt can be, for example, a sliding bolt, that is to say a translationally moving bolt, a pivot bolt, that is to say a pivotable bolt, or a combination thereof.
  • the motor vehicle door lock on a driven by the Umschaltaktuator coupling mechanism that puts the actuator relative to the locking in an idle stroke and thus ineffective in the emergency position of the Umschaltaktuators the coupling mechanism generates a coupling between the actuator and the Lock, so that an actuation of the actuator unlocks the locking mechanism. Due to the idle stroke, the actuator can indeed operate, so move, in particular relative to a motor vehicle door in which the motor vehicle door lock is installed, but this operation does not lead to an unlocking of the locking mechanism.
  • the predetermined cycle corresponds to a number of the openings of the locking mechanism by the ⁇ Stammsaktuator. With an "opening of Gesperres" in particular the unlocking of the Gesperres meant.
  • the predetermined number of openings of the locking mechanism is performed by the ⁇ Stammsaktuator, the Umschaltaktuator from the normal position is placed in the emergency position, even if no emergency has occurred.
  • the number of openings of the locking mechanism that defines the given cycle is, for example, 100, 200, 500, 1000, 2000 or more.
  • the predetermined cycle corresponds to the n-times opening of a fuel cap of a motor vehicle, in which the motor vehicle door lock is installed, where n is a positive integer.
  • the control unit has a signal input for receiving a signal indicating the opening of the tank cap. The control unit sums up the number of times such a signal has been applied to the input and places the changeover actuator from the normal position to the emergency position when this sum reaches the number n.
  • n is 10, 20, 25, 50 or 100.
  • the predetermined cycle corresponds to the n-times connecting a diagnostic device to the vehicle electronics of a motor vehicle, in which the motor vehicle door lock is installed, where n is a positive integer.
  • the control unit preferably has an interface for connection to the vehicle electronics, via the control unit can receive a signal indicating the connection of a diagnostic device to the vehicle electronics.
  • the control unit can also be integrated with the vehicle electronics so that there is no need for an interface for connection to the vehicle electronics.
  • a diagnostic device is connected in particular during an inspection to the vehicle electronics, so usually once a year.
  • n is 1, 2, 3, 4, 5 or more.
  • the predetermined cycle corresponds to the n-times starting of the engine of a motor vehicle in which the motor vehicle door lock is installed, where n is a positive integer.
  • the control unit in particular has an interface via which the control unit can receive a signal indicating the starting of the engine.
  • the control unit may be connected, for example, with the vehicle electronics or a sensor in the ignition.
  • the control unit may also be part of the vehicle electronics.
  • n is 10, 20, 25, 50, 100, 200, 250 or 500.
  • the cycle has been defined as the number of occurrences of a particular event. If a predetermined number is reached, the control unit sets the change-over actuator into its Nötfall ein and preferably sets the counter for the number of occurrences, in particular to the value 0. Furthermore, it may be in the given cycle to a temporal cycle.
  • the control unit thus sets the changeover actuator after a certain period of time from a start time of the normal position in the emergency position.
  • the starting time is, for example, the time at which the ⁇ réellesaktuator was last placed in the emergency position, the time of manufacture of the motor vehicle door lock, the times of installation of the motor vehicle door lock or the time of the last maintenance of the motor vehicle door lock. For example, after 1, 2, 3, 6, 12, 18 or 24 months, the change-over actuator is moved from the normal position to the emergency position and back again.
  • the present invention further relates to a method for operational security of a motor vehicle door lock with a locking mechanism, an opening actuator for unlocking the locking mechanism, an actuator for unlocking the locking mechanism and a Umschaltaktuator which can assume a normal position and an emergency position, the Umschaltaktuator in the normal position, the actuator is ineffective and in the emergency position, the actuator is effective.
  • the change-over actuator is shifted from the normal position into the emergency position and back in a predetermined cycle, in particular independently of the presence of an emergency.
  • a motor vehicle door lock which is equipped with a locking mechanism 1, 2 of rotary latch 1 and pawl 2.
  • an actuating lever 3 according to the embodiment, an external operating lever 3, which is in mechanical operative connection with an outside door handle.
  • the combination of external operating lever 3 and Outside door handle forms an actuator for manual unlocking of the locking mechanism 1, 2.
  • the actuating lever 3 strikes during rotation about its axis 4 on a boom 5 of a release lever 6 (see FIG. 5 ).
  • Corresponding pivotal movements of the actuating lever 3 lead in befindlichem in the closed position locking (see FIG. 2 ) to the fact that the release lever 6 and thus also the operating lever 3 and the door outside handle connected thereto perform a no-lift.
  • the pawl 2 can be opened not only by means of the internal operating lever, but also electrically.
  • This provides an actuator 10, 11, 12, 13.
  • This electric actuator 10, 11, 12, 13 is in the context of the embodiment of an electric motor 10, one of this rotationally driven output shaft 11, a worm wheel 12 on the output shaft 11 and a with the driven wheel 13 meshing with the worm wheel 12 is capable of rotating in a clockwise and anticlockwise direction.
  • an output cam 14 located in a plan below the driven pulley 13 in conjunction with a cam counterpart 15 on the pawl 2 ensures that the pawl 2 makes a clockwise movement about its axis 8, so that - as in the case of described mechanical opening by means of acting on the boom 7 inside operating lever - the catch 1 released spring assisted.
  • This process can be at a comparative consideration of Figures 2 and 3 comprehend.
  • corresponding arrow entries ensure that the movements of the individual components of the motor vehicle door lock become clear.
  • the driven pulley 13 in the Figures 2 and 3 it is normal positions of the actuator, since the actuator is set ineffective.
  • the intermediate lever 19 between the trigger lever 6 and the pawl 2 is arranged.
  • the intermediate lever 19 may be located in front of the release lever 6, as the FIG. 1b shows.
  • the release lever 6 and the pawl 2 are mounted coaxially, namely on the axis 8. Furthermore, a stop 25 in the housing ensures that the clockwise rotations of the intermediate lever 19 performed in the course of the emergency opening are limited. Finally, in the FIG. 2 shown that the intermediate lever 19 can be additionally transferred by means of a lock cylinder 26 or a comparable mechanical adjustment in the release lever 6 with the pawl 2 coupling position. This is possible in the context of the embodiment, regardless of the described and with the electric actuator 10, 11, 12, 13 enabled emergency opening.
  • FIGS. 4 and 5 shown mechanical connection from the actuating lever 3 via the release lever 6 to the pawl 2 in Emergency then be carried out when a corresponding signal of a sensor, not shown, is present in this sensor is in the context of the embodiment of the airbag sensor whose signals from one in the FIG. 6 shown controller 27 are evaluated and processed to control the electric actuator 10, 11, 12, 13.
  • the motor vehicle door lock naturally opens up the possibility of using any sensor signals for the described adjustment of the driven pulley 13 in the clockwise direction so that the emergency opening is made possible.
  • the electric motor 10 forms, in combination with the output shaft 11, the worm wheel 12 and the driven pulley 13, an actuator which serves both as an opening actuator for unlocking the locking mechanism 1, 2 and as a switching actuator.
  • the in the Figures 2 and 3 illustrated positions of the driven pulley 13 correspond to normal positions of the Umschaltaktuators in which the actuator is set ineffective in the form of the external actuating lever 3, while in the FIG. 4 a position of the driven pulley 3 is shown, which corresponds to an emergency position of the Umschaltaktuators, in which the actuating member comprising the outer operating lever 3 is set effectively.
  • FIG. 6 shows a schematic control block diagram of a motor vehicle door lock from the other figures.
  • a control unit 27 is electrically connected to the electric motor 10 to drive it.
  • the control unit generates pure control signals that are converted by the electric motor 10, or power signals that directly drive the electric motor 10.
  • the control unit 27 has an interface 27a via which the control unit 27 can be connected to a counting sensor 28, the vehicle electronics 29 of the motor vehicle in which the motor vehicle door lock can be installed, and an actuation sensor 30.
  • the interface 27a is optional, and thus the connection to each of the counting sensor 28, the vehicle electronics 29 and the actuation sensor 30th
  • the control unit 27 further optionally has a memory 27b.
  • the memory 27b includes a counter which is incremented by 1 each time the control unit 27 receives the Electric motor 10 causes the driven pulley 13 to act in a counter-clockwise direction, that is to unlock the locking mechanism 1, 2 actuator.
  • the control unit 27 controls the electric motor 10 in such a way that the driven pulley 13 executes a clockwise movement.
  • the ratchet 1, 2 mechanically connected to the operating lever 3 and thus also the outside door handle.
  • the control unit 27 controls the electric motor 10 so that the driven pulley 13 is rotated counterclockwise to its original position, and also sets the counter stored in the memory 27b back to the value 0.
  • the counter stored in the memory 27b may count the number of openings of the tank cap of the motor vehicle.
  • the counting sensor 28 generates a corresponding signal when the fuel cap is opened.
  • the control unit 27 increments the counter stored in the memory 27b by 1 each time such a signal from the counting sensor 28 is applied. If the counter reaches a predetermined level, the electric motor 10 is actuated as described above in order to rotate the driven pulley 13 in the clockwise direction.
  • the counter stored in the memory 27b may also count the number of starts of the motor of the motor vehicle or how many times a diagnostic device has been connected to the motor vehicle electronics 29. In such an event, the motor vehicle electronics 29 generates a corresponding signal, which causes the control unit 27 increases by 1 the counter stored in the memory 27b and puts the actuator 10 to 13 in the emergency position when the counter reaches a predetermined level
  • the operation sensor 30 is a sensor that detects when the actuator 10 to 13 is to unlock the ratchet 1, 2.
  • the actuation sensor 30 detects in particular the actuation of a button or switch, a force acting on the actuator or a deflection of the actuator. If the actuation sensor 30 generates a corresponding signal, then the control unit 27 controls the electric motor 10 in such a way that the driven pulley 13 moves in the counterclockwise direction into that in the FIG. 3 shown position moves, so the locking mechanism 1, 2 is electrically unlocked.
  • the actuator is composed of the electric motor 10, the output shaft 11, the worm wheel 12 and the driven pulley 13 both as ⁇ réellesaktuator and as Umschaltaktuator.
  • two separate actuators can also be provided, which are preferably both controlled by the control unit 27. Due to the use of a single actuator, which serves both as ⁇ réellesaktuator as well as a Umschaltaktuator, the actuator, in particular the driven pulley 13, two normal positions, namely in the Figures 2 and 3 shown positions that are in the function of the actuator as Umschaltaktuator a normal position, ie a position in which the actuator is set ineffective.

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  • Lock And Its Accessories (AREA)

Claims (10)

  1. Fermeture de porte de voiture dotée d'un cliquet (1, 2), d'un dispositif d'ouverture (10, 11, 12, 13) permettant de déverrouiller le cliquet (1, 2), d'un dispositif d'actionnement (3) permettant de déverrouiller le cliquet (1, 2), d'un commutateur (10, 11, 12, 13) pouvant prendre une position normale et une position d'urgence, à savoir que le commutateur (10, 11, 12, 13) en position normale désactive le dispositif d'actionnement (3) et qu'en position d'urgence il active le dispositif d'actionnement (3), ainsi que d'un dispositif de commande (27) permettant de commander le commutateur (10, 11, 12, 13), caractérisée en ce que l'unité de commande (27) est réglée pour faire passer le commutateur (10, 11, 12, 13) se trouvant dans un cycle prédéfini d'une position normale à une position d'urgence, Indépendamment de l'existence d'une urgence.
  2. Fermeture de porte voiture selon la revendication 1, caractérisée en ce qu'au moins un des entraînements du dispositif d'ouverture (10, 11, 12, 13) et du commutateur (10, 11, 12, 13) est un entraînement électrique.
  3. Fermeture de porte de voiture selon une des revendications 1 ou 2, caractérisée en ce que le dispositif d'ouverture et le commutateur sont le même dispositif (10, 11, 12, 13).
  4. Fermeture de porte de voiture selon une des revendications 1 à 3, caractérisée par un verrou entraîné par le commutateur (10, 11, 12, 13) et qui bloque le dispositif d'actionnement (3) lorsque le commutateur est en position normale, le désactivant.
  5. Fermeture de porte de voiture selon une des revendications 1 à 4, caractérisée par un mécanisme de couplage (18, 19, 20, 23) entraîné par le commutateur (10, 11, 12, 13) et met le dispositif d'actionnement (3) dans une course à vide lorsque le commutateur (10, 11, 12, 13) est en position normale, le désactivant.
  6. Fermeture de porte de voiture selon une des revendications 1 à 5, caractérisée en ce que le cycle prescrit correspond au nombre d'ouvertures du cliquet (1, 2) par le dispositif d'ouverture (10, 11, 12, 13),
  7. Fermeture de porte de voiture selon une des revendications 1 à 6, caractérisée en ce que le cycle prescrit correspond à la ènième ouverture du couvercle du réservoir d'un véhicule dans lequel la fermeture de voiture est Intégrée, à savoir que n est un nombre entier positif.
  8. Fermeture de porte de voiture selon une des revendications 1 à 7, caractérisée en ce que le cycle prescrit correspond au ènième raccordement d'un appareil de diagnostic au système électronique du véhicule (29) dans lequel la fermeture de voiture est intégrée, à savoir que n est un nombre entier positif.
  9. Fermeture de porte de voiture selon une des revendications 1 à 8, caractérisée en ce que le cycle prescrit correspond au ènième démarrage du moteur d'un véhicule dans lequel la fermeture de voiture est Intégrée, à savoir que n est un nombre entier positif.
  10. Procédure de sécurisation du fonctionnement d'une fermeture de porte de voiture dotée d'un cliquet (1, 2), d'un dispositif d'ouverture (10, 11, 12, 13) permettant de déverrouiller le cliquet (1, 2), d'un dispositif d'actionnement (3) permettant de déverrouiller le cliquet (1, 2), d'un commutateur (10, 11, 12, 13) pouvant prendre une position normale et une position d'urgence, à savoir que le commutateur (10, 11, 12, 13) en position normale désactive le dispositif d'actionnement (3) et qu'en position d'urgence II active le dispositif d'actionnement (3), caractérisée en ce que le commutateur (10, 11, 12, 13) se trouvant dans un cycle prédéfini d'une position normale à une position d'urgence, indépendamment de l'existence d'une urgence.
EP15713625.0A 2014-01-31 2015-02-02 Dispositif de fermeture électrique de portière de véhicule automobile à sécurité de fonctionnement élevée Active EP3099871B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014001160.7A DE102014001160A1 (de) 2014-01-31 2014-01-31 Elektrischer Kraftfahrzeugtürverschluss mit erhöter Betriebssicherheit
PCT/DE2015/000033 WO2015113545A1 (fr) 2014-01-31 2015-02-02 Dispositif de fermeture électrique de portière de véhicule automobile à sécurité de fonctionnement élevée

Publications (2)

Publication Number Publication Date
EP3099871A1 EP3099871A1 (fr) 2016-12-07
EP3099871B1 true EP3099871B1 (fr) 2018-05-16

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EP15713625.0A Active EP3099871B1 (fr) 2014-01-31 2015-02-02 Dispositif de fermeture électrique de portière de véhicule automobile à sécurité de fonctionnement élevée

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Country Link
US (1) US10508476B2 (fr)
EP (1) EP3099871B1 (fr)
CN (1) CN105960497A (fr)
DE (1) DE102014001160A1 (fr)
WO (1) WO2015113545A1 (fr)

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DE102019133654A1 (de) * 2019-12-10 2021-06-10 Kiekert Aktiengesellschaft Kraftfahrzeugschloss
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Also Published As

Publication number Publication date
EP3099871A1 (fr) 2016-12-07
CN105960497A (zh) 2016-09-21
DE102014001160A1 (de) 2015-08-06
US20170159331A1 (en) 2017-06-08
WO2015113545A1 (fr) 2015-08-06
US10508476B2 (en) 2019-12-17

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