EP3987137B1 - Device for locking and/or unlocking a motor vehicle opening panel, vehicle comprising said device and method for locking or unlocking a motor vehicle opening panel using said device - Google Patents

Device for locking and/or unlocking a motor vehicle opening panel, vehicle comprising said device and method for locking or unlocking a motor vehicle opening panel using said device Download PDF

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Publication number
EP3987137B1
EP3987137B1 EP20747016.2A EP20747016A EP3987137B1 EP 3987137 B1 EP3987137 B1 EP 3987137B1 EP 20747016 A EP20747016 A EP 20747016A EP 3987137 B1 EP3987137 B1 EP 3987137B1
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EP
European Patent Office
Prior art keywords
locking
unlocking
detection
handle
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.)
Active
Application number
EP20747016.2A
Other languages
German (de)
French (fr)
Other versions
EP3987137A1 (en
Inventor
Frédérick Reichheld
François BOLLIER
Christophe Cazes
Lamine BENAISSA
Jean-Sébastien Moulet
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.)
Novares France SAS
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Novares France SAS
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
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.)
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Publication of EP3987137A1 publication Critical patent/EP3987137A1/en
Application granted granted Critical
Publication of EP3987137B1 publication Critical patent/EP3987137B1/en
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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
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • E05B81/78—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles as part of a hands-free locking or unlocking operation
    • 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
    • E05B85/10—Handles
    • 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
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E05B17/10—Illuminating devices on or for locks or keys; Transparent or translucent lock parts; Indicator lights
    • 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
    • E05B79/10—Connections between movable lock parts
    • E05B79/22—Operative connections between handles, sill buttons or lock knobs and the lock unit
    • 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
    • E05B81/64—Monitoring or sensing, e.g. by using switches or sensors
    • E05B81/76—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles
    • E05B81/77—Detection of handle operation; Detection of a user approaching a handle; Electrical switching actions performed by door handles comprising sensors detecting the presence of the hand of a user
    • 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
    • E05B85/10—Handles
    • E05B85/14—Handles pivoted about an axis parallel to the wing
    • E05B85/16—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted at one end about an axis perpendicular to the longitudinal axis of the grip part

Definitions

  • the present invention aims to overcome this drawback by proposing a locking and/or unlocking device making it possible to reliably lock or unlock a motor vehicle door independently of weather conditions and whether or not the user is wearing gloves.
  • the lighting means comprise a plurality of light sources configured to emit a predetermined light signal in order to suggest to the user the execution on the detection zone of a predetermined contact.
  • the device comprises a motor vehicle door pillar, and the detection wall is integrated into this pillar.
  • the locking and/or unlocking device 1 comprises a detection wall 30 and detection means fixed against this detection wall 30.
  • this detection wall 30 is a wall of the door handle 2, and more precisely of the handle 23 of the handle 2. If necessary, the detection wall 30 is advantageously located on the outer side 233 of this handle 23. As visible on the figure 4 , the handle 23 of the handle 2 may be formed of two half-shells attached to each other, including an outer shell 237 and an inner shell 236, the outer shell 237 forming the wall 30 of detection. Thus, the detection wall 30 is accessible to the user from outside the vehicle.
  • the detection wall 30 has an internal face 31 and an opposite external face 33 .
  • the outer face 33 forms a contact detection zone intended to be activated by a finger or a hand of a user in order to control the locking or unlocking of the door.
  • This outer face 33 preferentially extends in a longitudinal direction, in particular allowing the user to slide his finger along the detection zone, in one direction or the other, in a sweeping motion.
  • the detection zone can extend horizontally, so that the user slides his finger forwards or backwards to lock or unlock the vehicle, or vice versa. Other orientations of the detection zone relative to the vehicle are however possible.
  • the outer face 33 can be smooth or not, convex or concave, or flat, painted or not.
  • the detection zone extends over an upper half of the handle 2.
  • the detection means are fixed against the internal face 31 and comprise a sensor 4 having a layer 40 made of a piezoelectric material, for example a ceramic film.
  • the layer 40 of piezoelectric material makes it possible to detect a predetermined contact from among several possible predetermined contacts, with a view to controlling the execution of a predetermined function associated with the contact. detected, in particular the locking or unlocking of the sash.
  • the layer 40 of piezoelectric material has surface undulations in the form of wrinkles on which the pressure transmitted by the detection wall 30 is intended to be exerted when the user presses on the outer face 33 .
  • the detection contact between this piezoelectric layer 40 and the internal face 31 is linear, formed by a plurality of lines corresponding to the crests or valleys of the undulations.
  • These surface undulations offer a high and discriminating detection sensitivity, so that the sensor 4 makes it possible to detect complex movements, of the "swipe", “single tap” or “double tap” type, that is to say a contact in the form of sliding movement (as well as its orientation) or single or double touch.
  • the sensor 4 can also detect a more or less prolonged pressing of the user on the external face 33 .
  • the sensor 4 is connected for this purpose to an electronic chip (not shown) intended to identify the nature of the movement detected by the wrinkled piezoelectric layer and consequently send to a central unit of the vehicle a request for execution of a function associated with the movement. detected and identified, such as the locking or unlocking of the vehicle, or even the illumination of the door handle.
  • the sensor 4 can also detect and annihilate parasitic movements such as vehicle cleaning actions, the friction of a branch or even the impact of gravel.
  • the sensor 4 is configured to detect a predetermined contact among several possible predetermined contacts in order to control the execution of a predetermined function such as the locking or unlocking of the opening.
  • the detection means are configured to allow detection including with a detection wall 30 which comprises materials that are not transparent to waves.
  • the structure of the sensor 4 can be similar to that of the sensor described in the application WO 2015/055788 .
  • the sensor 4 can alternatively be in a rigid form, for example if the substrate is a PCB (from the English “printed circuit board”, for printed circuit). In this case, other assembly methods can be envisaged by any means of mechanical fastening such as screws, rivets, etc.
  • the device 1 can advantageously comprise lighting means for emitting a light signal indicating to the user the location of the detection zone.
  • the lighting means are arranged close to the detection zone, for example under the detection wall 30, where appropriate in a lower half of the handle 2.
  • the lighting means can form, with the detection wall 30 , the outer half-shell 237 of the handle 2.
  • the lighting means preferably extend parallel to the detection zone.
  • the light sources 5 can also light up together at a predetermined frequency, to suggest a single or double touch movement, or remain lit for a predetermined time to suggest a more or less prolonged pressing of the user's finger on the face 33 external forming the detection zone. These light sources 5 can also change color to indicate the correct progress of the action, for example a green color for the unlocked state and a red color for the locked state.
  • the lighting means comprise in particular a matrix 50 of multiplexed light-emitting diodes housed behind protective optics 51 also making it possible to diffuse the light emitted by the light-emitting diodes.
  • the lighting means, more specifically the optics 51, can be fixed by gluing, clipping, screwing or overmolding to the detection wall 30 .
  • the device 1 can also comprise authorized user detection means, configured to detect the presence of an authorized user near the vehicle.
  • the authorized user detection means comprise a system on board the vehicle, such as for example an antenna and a radio receiver, and an identifier carried by the authorized user, such as for example a key fob, a terminal such as a smartphone, or a transmitter key.
  • the execution of the unlocking or the locking of the door(s) of the vehicle can be subordinated to the identification of an authorized user near the vehicle.
  • the locking and/or unlocking device 1 also includes a lock (not shown) movable between a locking position in which the lock keeps the leaf closed and an unlocking position in which the lock authorizes the opening of the leaf.
  • a lock (not shown) movable between a locking position in which the lock keeps the leaf closed and an unlocking position in which the lock authorizes the opening of the leaf.
  • the handle 2 may further comprise an arm 29 rotatably mounted in the handle 23 on the one hand and rotatable with respect to the angled lever 27 on the other hand.
  • the traction exerted by the user on the handle 2 of the handle 23 is thus transmitted via the rotary arm 29 to the angled lever 27, the rotation of the angled lever 27 allowing the door to be opened.
  • the rotation of the angled lever 27 acts on a cable which in turn acts on the lock, causing the door to open.
  • the central unit allows the unlocking of the door by sending an instruction to the lock actuator.
  • the handle 2 can comprise a cap 30 including a key cylinder allowing the unlocking or the locking of the sash by means of a mechanical key.
  • the locking and/or unlocking device 1 comprises purely mechanical locking or unlocking control means configured to allow the door to be locked or unlocked by key, in particular in the event of an electrical fault.
  • the handle 2 also comprises a microswitch 32 making it possible to actuate an aid for opening the door, in particular an electric triggering of the strike plate of the door, if the lock is of the electromechanical type.
  • the method for locking and/or unlocking a motor vehicle door may comprise an initial step of detecting a user via the authorized user detection means. This step can be followed by a step of emitting a predetermined visual signal via the lighting means, in order to signal the location of the detection wall 30 and/or to suggest to the user the execution of a predetermined contact on this detection wall 30 .
  • the method comprises a step of detecting a predetermined contact on the detection wall 30, via the sensor 4.
  • the electronic chip connected to the sensor 4 identifies the predetermined function, typically locking or unlocking of the opening, associated with the type of contact detected, and sends a request in execution of this predetermined function to the central unit of the vehicle.
  • the central unit commands the unlocking or locking of the door, according to the contact movement made by the user. The user can then pull handle 2 to open the door
  • the method can alternatively begin with the contact detection step via the detection wall 30 and the sensor 4, then be followed by the authorized user detection step as soon as the central unit receives the request when executing a locking or unlocking.
  • the central unit can then command the execution of the locking or unlocking.
  • the step of emitting a visual signal by the lighting means can then take place to signal to the user that the locking or unlocking has been executed.
  • unlocking the user can then pull the handle 2 to open the door.

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  • Lock And Its Accessories (AREA)

Description

La présente invention concerne un dispositif de verrouillage et/ou déverrouillage d'un ouvrant de véhicule automobile.The present invention relates to a device for locking and/or unlocking a motor vehicle door.

Classiquement, les dispositifs de commande d'ouverture de porte comprennent un capteur capacitif destiné à détecter un contact entre une main d'un utilisateur et une zone de détection prédéterminée afin de commander un déverrouillage ou un verrouillage de la porte du véhicule. Ces capteurs capacitifs sont généralement associés à un système d'identification d'utilisateur permettant d'identifier à distance un utilisateur autorisé.Conventionally, door opening control devices comprise a capacitive sensor intended to detect contact between a hand of a user and a predetermined detection zone in order to command unlocking or locking of the door of the vehicle. These capacitive sensors are generally associated with a user identification system making it possible to remotely identify an authorized user.

Cependant, les capteurs capacitifs utilisés pour la commande de déverrouillage ou de verrouillage des portes de véhicule présentent parfois des problèmes de détection lorsque le contact entre la main de l'utilisateur et la zone de détection n'a pas lieu dans des conditions de détection optimales.However, the capacitive sensors used for the unlocking or locking of vehicle doors sometimes have detection problems when the contact between the user's hand and the detection zone does not take place under optimal detection conditions. .

Ainsi la détection, et conséquemment le déverrouillage et le verrouillage de la ou des portières du véhicule, peinent à s'opérer lorsque l'utilisateur porte un gant ou lorsque la zone de détection est mouillée par une pluie ou couverte par du givre.Thus the detection, and consequently the unlocking and locking of the door or doors of the vehicle, are difficult to operate when the user is wearing a glove or when the detection zone is wet with rain or covered with frost.

Des dispositifs de commande d'ouverture de porte comprenant un capteur piézoélectrique sont connus par exemple de EP308864 , JP3812592B ou DE102012107189 .Door opening control devices comprising a piezoelectric sensor are known for example from EP308864 , JP3812592B Or DE102012107189 .

Aussi, la présente invention vise à pallier cet inconvénient en proposant un dispositif de verrouillage et/ou déverrouillage permettant de verrouiller ou déverrouiller de manière fiable un ouvrant de véhicule automobile indépendamment des conditions météorologiques et du port ou non de gants par l'utilisateur.Also, the present invention aims to overcome this drawback by proposing a locking and/or unlocking device making it possible to reliably lock or unlock a motor vehicle door independently of weather conditions and whether or not the user is wearing gloves.

A cet effet, la présente invention a pour objet un dispositif de verrouillage et/ou déverrouillage d'un ouvrant de véhicule automobile, le dispositif comprenant une paroi de détection présentant une face interne et une face externe opposée, la face externe formant une zone de détection de contact, et des moyens de détection agencés contre la face interne pour détecter un contact entre un doigt ou une main d'un utilisateur et ladite face externe, dans lequel les moyens de détection comprennent un capteur ayant une couche en un matériau piézoélectrique présentant des ondulations de surface sous forme de rides, ladite couche en matériau piézoélectrique étant configurée pour détecter un contact prédéterminé sur la face externe en vue de commander, en fonction du contact prédéterminé détecté, le verrouillage ou le déverrouillage de l'ouvrant, et dans lequel la zone de détection s'étend sur une surface supérieure à celle occupée par la couche en matériau piézoélectrique sur la face interne.To this end, the subject of the present invention is a device for locking and/or unlocking a motor vehicle door, the device comprising a detection wall having an internal face and an opposite external face, the external face forming a zone of contact detection, and detection means arranged against the internal face to detect contact between a finger or a hand of a user and said external face, in which the detection means comprise a sensor having a layer of piezoelectric material presenting surface undulations in the form of wrinkles, said layer of piezoelectric material being configured to detect a predetermined contact on the external face with a view to controlling, depending on the predetermined contact detected, the locking or unlocking of the leaf, and in which the detection zone extends over a surface greater than that occupied by the layer of piezoelectric material on the internal face.

Ainsi, le dispositif selon l'invention permet de détecter et d'identifier un mouvement complexe, du type glissement, ainsi que son orientation (vers le haut, vers le bas, à droite ou à gauche) ou tape, ainsi que sa durée ou fréquence (simple ou double, par exemple), parmi plusieurs possibles, afin de commander l'exécution de la fonction associée, particulièrement le verrouillage ou le déverrouillage de l'ouvrant, indépendamment des conditions météorologiques pouvant affecter la face externe (givre, pluie, etc.) et indépendamment du port ou non de gants par l'utilisateur.Thus, the device according to the invention makes it possible to detect and identify a complex movement, of the sliding type, as well as its orientation (up, down, right or left) or tap, as well as its duration or frequency (single or double, for example), among several possible, in order to control the execution of the associated function, particularly the locking or unlocking of the sash, independently of the weather conditions that may affect the external face (frost, rain, etc.) and regardless of whether or not the user is wearing gloves.

Cela permet une détection et identification de contact en-dehors de la partie de face externe qui est en regard de la couche en matériau piézoélectrique. Ainsi, cela permet l'ajout d'un ou plusieurs éléments d'interface avec l'utilisateur, comme un écran, dans la zone de détection, à proximité de la couche en matériau piézoélectrique.This allows detection and identification of contact outside the part of the outer face which faces the layer of piezoelectric material. Thus, this allows the addition of one or more interface elements with the user, such as a screen, in the detection zone, close to the layer of piezoelectric material.

Selon un mode de réalisation, le dispositif comprend des moyens d'éclairage adjacents à la zone de détection.According to one embodiment, the device comprises lighting means adjacent to the detection zone.

Cela permet de signaler la zone de détection lorsque l'utilisateur approche du véhicule.This makes it possible to signal the detection zone when the user approaches the vehicle.

Selon un mode de réalisation, les moyens d'éclairage comprennent une pluralité de sources lumineuses configurées pour émettre un signal lumineux prédéterminé en vue de suggérer à l'utilisateur l'exécution sur la zone de détection d'un contact prédéterminé.According to one embodiment, the lighting means comprise a plurality of light sources configured to emit a predetermined light signal in order to suggest to the user the execution on the detection zone of a predetermined contact.

Selon un mode de réalisation, les moyens de détection sont collés ou surmoulés sur la face interne.According to one embodiment, the detection means are glued or overmolded on the internal face.

Selon un mode de réalisation, le dispositif comprend une poignée de porte de véhicule automobile, et la paroi de détection fait partie de cette poignée.According to one embodiment, the device comprises a motor vehicle door handle, and the detection wall forms part of this handle.

Selon un mode de réalisation, la poignée comprend une anse ayant un côté externe et un côté interne opposé, et la paroi de détection est agencée sur le côté externe de l'anse de la poignée.According to one embodiment, the handle comprises a handle having an external side and an opposite internal side, and the detection wall is arranged on the external side of the handle handle.

Selon un mode de réalisation, la poignée affleure la carrosserie du véhicule et la paroi de détection est agencée sur le côté externe de cette poignée.According to one embodiment, the handle is flush with the bodywork of the vehicle and the detection wall is arranged on the outer side of this handle.

Par poignée affleurant la carrosserie on entend que le côté externe de la poignée, et conséquemment la paroi de détection, est au même niveau que la surface de la carrosserie autour de la poignée. Ainsi, vue de l'extérieur, la poignée ne forme ni saillie ni cavité par rapport à la carrosserie.By handle flush with the bodywork is meant that the external side of the handle, and consequently the detection wall, is at the same level as the surface of the bodywork around the handle. Thus, seen from the outside, the handle forms neither a projection nor a cavity with respect to the bodywork.

Selon un mode de réalisation, le dispositif comprend un montant de porte de véhicule automobile, et la paroi de détection est intégrée à ce montant.According to one embodiment, the device comprises a motor vehicle door pillar, and the detection wall is integrated into this pillar.

Selon un autre aspect, l'invention a pour objet une poignée de porte pour véhicule automobile intégrant un dispositif de commande de verrouillage et/ou de déverrouillage ayant les caractéristiques précitées.According to another aspect, the subject of the invention is a door handle for a motor vehicle incorporating a locking and/or unlocking control device having the aforementioned characteristics.

Selon encore un autre aspect, l'invention a pour objet un véhicule automobile comprenant un dispositif de verrouillage et/ou de déverrouillage ayant les caractéristiques précitées.According to yet another aspect, the subject of the invention is a motor vehicle comprising a locking and/or unlocking device having the aforementioned characteristics.

Le dispositif peut faire partie d'une poignée de portière. Il peut alternativement faire partie d'un montant fixe du châssis du véhicule, en pouvant être positionné le cas échéant en regard ou à proximité d'une poignée d'ouvrant.The device can be part of a door handle. It can alternatively be part of a fixed upright of the vehicle chassis, being able to be positioned if necessary opposite or close to a door handle.

Selon un autre aspect, l'invention a également pour objet un procédé de verrouillage et/ou de déverrouillage d'un ouvrant de véhicule automobile comprenant les étapes:

  • de détection d'un utilisateur autorisé à proximité du véhicule,
  • de détection d'un contact prédéterminé sur la zone de détection d'un dispositif de verrouillage et/ou de déverrouillage ayant les caractéristiques précitées,
  • de verrouillage ou de déverrouillage de l'ouvrant en fonction du contact prédéterminé exécuté par l'utilisateur.
According to another aspect, the invention also relates to a method for locking and/or unlocking a motor vehicle door comprising the steps:
  • detection of an authorized user near the vehicle,
  • detection of a predetermined contact on the detection zone of a locking and/or unlocking device having the aforementioned characteristics,
  • locking or unlocking of the opening according to the predetermined contact made by the user.

L'étape de détection d'un utilisateur autorisé à proximité du véhicule peut précéder ou suivre l'étape de détection d'un contact prédéterminée sur la zone de détection.The step of detecting an authorized user close to the vehicle can precede or follow the step of detecting a predetermined contact on the detection zone.

Avantageusement, le procédé comprend une étape d'émission d'un signal visuel par l'intermédiaire des moyens d'éclairage.Advantageously, the method includes a step of emitting a visual signal via the lighting means.

Cette étape peut suivre l'étape de détection d'un utilisateur autorisé à proximité du véhicule et précéder l'étape de détection d'un contact prédéterminée sur la zone de détection. Il est aussi possible d'envisage que cette étape ait lieu après l'étape de verrouillage ou de déverrouillage de l'ouvrant.This step can follow the step of detecting an authorized user near the vehicle and precede the step of detecting a predetermined contact on the detection zone. It is also possible to consider that this step takes place after the step of locking or unlocking the opening.

D'autres caractéristiques et avantages de la présente invention ressortiront clairement de la description détaillée ci-après d'un mode de réalisation, donné à titre d'exemple non limitatif, en référence aux dessins annexés dans lesquels :

  • La figure 1 est une vue en perspective d'un dispositif de verrouillage et/ou déverrouillage selon un mode de réalisation de l'invention, équipant un ouvrant de véhicule automobile,
  • La figure 2 est une vue en perspective semi-transparente d'un dispositif de verrouillage et/ou déverrouillage selon un mode de réalisation de l'invention, équipant un ouvrant de véhicule automobile,
  • La figure 3 est une vue en coupe du dispositif de verrouillage et/ou déverrouillage selon la figure 2,
  • La figure 4 est une vue en perspective éclatée d'un dispositif de verrouillage et/ou déverrouillage selon un mode de réalisation de l'invention, équipant un ouvrant de véhicule automobile,
  • La figure 5 est une vue en perspective et par transparence des moyens de détection d'un dispositif de verrouillage et/ou déverrouillage d'ouvrant de véhicule automobile selon un mode de réalisation de l'invention.
Other characteristics and advantages of the present invention will emerge clearly from the following detailed description of an embodiment, given by way of non-limiting example, with reference to the appended drawings in which:
  • There figure 1 is a perspective view of a locking and/or unlocking device according to one embodiment of the invention, fitted to a motor vehicle door,
  • There picture 2 is a semi-transparent perspective view of a locking and/or unlocking device according to one embodiment of the invention, fitted to a motor vehicle door,
  • There picture 3 is a sectional view of the locking and/or unlocking device according to picture 2 ,
  • There figure 4 is an exploded perspective view of a locking and/or unlocking device according to one embodiment of the invention, fitted to a motor vehicle door,
  • There figure 5 is a perspective and transparent view of the detection means of a device for locking and/or unlocking a motor vehicle door according to one embodiment of the invention.

Les figures 1 et 2 montrent un dispositif 1 destiné au verrouillage et/ou déverrouillage d'un ou plusieurs ouvrants, notamment une ou plusieurs portières 100, de véhicule automobile. Selon l'exemple de réalisation illustré sur les figures 1 à 4, le dispositif 1 équipe une poignée 2 pouvant être montée sur une portière 100 d'un véhicule. Alternativement, le dispositif 1 de verrouillage et/ou déverrouillage peut équiper une partie fixe du véhicule, par exemple en regard d'une poignée 2 d'ouvrant.THE figures 1 and 2 show a device 1 intended for locking and/or unlocking one or more openings, in particular one or more doors 100, of a motor vehicle. According to the embodiment illustrated in the figures 1 to 4 , the device 1 equips a handle 2 which can be mounted on a door 100 of a vehicle. Alternatively, the locking and/or unlocking device 1 can be fitted to a fixed part of the vehicle, for example opposite a door handle 2.

En référence à la figure 4, la poignée 2 comprend un châssis 21 destiné à être fixé à la portière 100 du véhicule, ainsi qu'une anse 23 reliée au châssis 21 et destinée à être saisie par un utilisateur pour ouvrir la portière 100. L'anse 23 délimite avec le châssis 21 une ouverture 25 permettant le passage des doigts de l'utilisateur. L'anse 23 présente un côté intérieur 231 faisant face du châssis 21 et délimitant avec celui-ci l'ouverture 25 pour le passage des doigts de l'utilisateur, ainsi qu'un côté extérieur 233 opposé au côté intérieur 231. La poignée 2, une fois montée sur l'ouvrant du véhicule, peut être destinée à s'étendre selon une direction horizontale. La poignée 2 peut être en matériau plastique et réalisée par injection plastique.With reference to the figure 4 , the handle 2 comprises a frame 21 intended to be fixed to the door 100 of the vehicle, as well as a handle 23 connected to the frame 21 and intended to be gripped by a user to open the door 100. The handle 23 delimits with the frame 21 an opening 25 allowing the passage of the user's fingers. The handle 23 has an inner side 231 facing the frame 21 and delimiting therewith the opening 25 for the passage of the user's fingers, as well as an outer side 233 opposite the inner side 231. The handle 2 , once mounted on the opening of the vehicle, may be intended to extend in a horizontal direction. The handle 2 can be made of plastic material and produced by plastic injection.

On notera que le dispositif 1 de verrouillage et/ou déverrouillage présente l'avantage de fonctionner avec tous types de matériaux, y compris avec des matières non transparentes aux ondes comme le métal, le carbone, la peinture métallisée, etc...It will be noted that the locking and/or unlocking device 1 has the advantage of operating with all types of materials, including with materials that are not transparent to waves such as metal, carbon, metallic paint, etc.

Dans la présente demande, on notera que les directions avant, arrière, sont définies par rapport à l'avant et l'arrière d'un véhicule automobile. De même, les directions interne/ intérieure, externe/extérieure sont définies par rapport au centre du véhicule, la direction interne/intérieure étant orientée vers le centre du véhicule, tandis que la direction externe/extérieure est orientée en s'éloignant du centre du véhicule, c'est-à-dire vers l'extérieur du véhicule.In the present application, it will be noted that the front and rear directions are defined with respect to the front and the rear of a motor vehicle. Likewise, the internal/interior, external/external directions are defined with respect to the center of the vehicle, the internal/interior direction being oriented towards the center of the vehicle, while the external/external direction is oriented away from the center of the vehicle. vehicle, i.e. towards the outside of the vehicle.

Comme visible sur les figures 2 à 4, le dispositif 1 de verrouillage et/ou de déverrouillage comprend une paroi 30 de détection et des moyens de détection fixés contre cette paroi 30 de détection.As seen on the figures 2 to 4 , the locking and/or unlocking device 1 comprises a detection wall 30 and detection means fixed against this detection wall 30.

Dans le mode de réalisation présenté sur les figures, cette paroi 30 de détection est une paroi de la poignée 2 de porte, et plus précisément de l'anse 23 de la poignée 2. Le cas échéant, la paroi 30 de détection est située avantageusement sur le côté extérieur 233 de cette anse 23. Comme visible sur la figure 4, l'anse 23 de la poignée 2 peut être formée de deux demi-coques rattachées l'une à l'autre, dont une coque externe 237 et une coque interne 236, la coque externe 237 formant la paroi 30 de détection. Ainsi, la paroi 30 de détection est accessible à l'utilisateur depuis l'extérieur du véhicule. La paroi 30 de détection peut être en matériau plastique, par exemple en ABS (Acrylonitrile Butadiène Styrène) ou en PC-ABS (mélange Polycarbonate et Acrylonitrile Butadiène Styrène) ou encore en PMMA (Poly-méthacrylate de méthyle). La paroi 30 de détection peut également être en métal, en composite à base de carbone, ou encore recouverte d'une peinture métallisée ou non, les moyens de détection étant configurés pour fonctionner avec des matières non transparentes aux ondes.In the embodiment shown in the figures, this detection wall 30 is a wall of the door handle 2, and more precisely of the handle 23 of the handle 2. If necessary, the detection wall 30 is advantageously located on the outer side 233 of this handle 23. As visible on the figure 4 , the handle 23 of the handle 2 may be formed of two half-shells attached to each other, including an outer shell 237 and an inner shell 236, the outer shell 237 forming the wall 30 of detection. Thus, the detection wall 30 is accessible to the user from outside the vehicle. The detection wall 30 can be made of plastic material, for example ABS (Acrylonitrile Butadiene Styrene) or PC-ABS (Polycarbonate and Acrylonitrile Butadiene Styrene mixture) or even PMMA (Polymethyl methacrylate). The detection wall 30 can also be made of metal, a carbon-based composite, or even covered with a metallic or non-metallic paint, the detection means being configured to operate with materials that are not transparent to the waves.

Comme visible sur la figure 3, la paroi 30 de détection présente une face 31 interne et une face 33 externe opposée.As seen on the picture 3 , the detection wall 30 has an internal face 31 and an opposite external face 33 .

La face 33 externe forme une zone de détection de contact destinée à être activée par un doigt ou une main d'un utilisateur dans le but de commander le verrouillage ou le déverrouillage de la portière. Cette face 33 externe s'étend préférentiellement selon une direction longitudinale, permettant notamment à l'utilisateur de faire glisser son doigt le long de la zone de détection, dans un sens ou dans l'autre, selon un mouvement balayant. En utilisation, la zone de détection peut s'étendre horizontalement, si bien que l'utilisateur glisse son doigt vers l'avant ou vers l'arrière pour verrouiller ou déverrouiller le véhicule, ou inversement. D'autres orientations de la zone de détection relativement au véhicule sont cependant possibles. Par ailleurs, la face 33 externe peut être lisse ou non, convexe ou concave, ou plate, peinte ou non. De préférence, la zone de détection s'étend sur une moitié haute de la poignée 2.The outer face 33 forms a contact detection zone intended to be activated by a finger or a hand of a user in order to control the locking or unlocking of the door. This outer face 33 preferentially extends in a longitudinal direction, in particular allowing the user to slide his finger along the detection zone, in one direction or the other, in a sweeping motion. In use, the detection zone can extend horizontally, so that the user slides his finger forwards or backwards to lock or unlock the vehicle, or vice versa. Other orientations of the detection zone relative to the vehicle are however possible. Furthermore, the outer face 33 can be smooth or not, convex or concave, or flat, painted or not. Preferably, the detection zone extends over an upper half of the handle 2.

Comme visible sur la figure 3, la face 31 interne est destinée à supporter les moyens de détection afin de transmettre les vibrations ou pressions exercées par l'utilisateur sur la face 33 externe.As seen on the picture 3 , the internal face 31 is intended to support the detection means in order to transmit the vibrations or pressures exerted by the user on the external face 33.

Les moyens de détection sont fixés contre la face 31 interne et comprennent un capteur 4 ayant une couche 40 en un matériau piézoélectrique, par exemple un film céramique. La couche 40 en matériau piézoélectrique permet de détecter un contact prédéterminé parmi plusieurs contacts prédéterminés possibles, en vue de commander l'exécution d'une fonction prédéterminée associée au contact détecté, notamment le verrouillage ou le déverrouillage de l'ouvrant. Comme illustré sur la figure 5, la couche 40 en matériau piézoélectrique présente des ondulations de surface sous forme de rides sur lesquelles est destinée à s'exercer la pression transmise par la paroi 30 de détection lorsque l'utilisateur appuie sur la face 33 externe. Ainsi, le contact de détection entre cette couche 40 piézoélectrique et la face 31 interne est linéique, formée par une pluralité de lignes correspondant aux crêtes ou vallées des ondulations. Ces ondulations de surface offrent une sensibilité de détection importante et discriminante, si bien que le capteur 4 permet de détecter des mouvements complexes, du type « swipe », « simple tap » ou « double tap », c'est-à-dire un contact sous forme de mouvement de glissement (ainsi que son orientation) ou de toucher simple ou double. Le capteur 4 peut aussi détecter un appui plus ou moins prolongé de l'utilisateur sur la face 33 externe. Le capteur 4 est connecté à cet effet à une puce électronique (non représentée) destinée à identifier la nature du mouvement détecté par la couche piézoélectrique ridée et envoyer conséquemment à une unité centrale du véhicule une requête d'exécution d'une fonction associée au mouvement détecté et identifié, comme le verrouillage ou le déverrouillage du véhicule, ou encore l'éclairage de la poignée de porte. Le capteur 4 peut également détecter et annihiler des mouvements parasites comme des actions de nettoyage du véhicule, le frottement d'une branche ou encore le choc d'un gravillon. Ainsi, le capteur 4 est configuré pour détecter un contact prédéterminé parmi plusieurs contacts prédéterminés possibles en vue de commander l'exécution d'une fonction prédéterminée comme le verrouillage ou le déverrouillage de l'ouvrant.The detection means are fixed against the internal face 31 and comprise a sensor 4 having a layer 40 made of a piezoelectric material, for example a ceramic film. The layer 40 of piezoelectric material makes it possible to detect a predetermined contact from among several possible predetermined contacts, with a view to controlling the execution of a predetermined function associated with the contact. detected, in particular the locking or unlocking of the sash. As illustrated on the figure 5 , the layer 40 of piezoelectric material has surface undulations in the form of wrinkles on which the pressure transmitted by the detection wall 30 is intended to be exerted when the user presses on the outer face 33 . Thus, the detection contact between this piezoelectric layer 40 and the internal face 31 is linear, formed by a plurality of lines corresponding to the crests or valleys of the undulations. These surface undulations offer a high and discriminating detection sensitivity, so that the sensor 4 makes it possible to detect complex movements, of the "swipe", "single tap" or "double tap" type, that is to say a contact in the form of sliding movement (as well as its orientation) or single or double touch. The sensor 4 can also detect a more or less prolonged pressing of the user on the external face 33 . The sensor 4 is connected for this purpose to an electronic chip (not shown) intended to identify the nature of the movement detected by the wrinkled piezoelectric layer and consequently send to a central unit of the vehicle a request for execution of a function associated with the movement. detected and identified, such as the locking or unlocking of the vehicle, or even the illumination of the door handle. The sensor 4 can also detect and annihilate parasitic movements such as vehicle cleaning actions, the friction of a branch or even the impact of gravel. Thus, the sensor 4 is configured to detect a predetermined contact among several possible predetermined contacts in order to control the execution of a predetermined function such as the locking or unlocking of the opening.

On notera également que les moyens de détection sont configurés pour permettre la détection y compris avec une paroi 30 de détection qui comprend des matières non transparentes aux ondes.It will also be noted that the detection means are configured to allow detection including with a detection wall 30 which comprises materials that are not transparent to waves.

La structure du capteur 4 peut être similaire à celle du capteur décrit dans la demande WO 2015/055788 .The structure of the sensor 4 can be similar to that of the sensor described in the application WO 2015/055788 .

En référence à la figure 5, le capteur 4 comprend avantageusement au moins une électrode 41, 42 en un matériau conducteur de chaque côté de la couche 40 piézoélectrique, ainsi qu'un substrat 43, par exemple en polymère, pour supporter l'empilement électrode, couche piézoélectrique, électrode, et permettre sa manipulation. Par ailleurs, le capteur 4 peut comprendre une ou plusieurs couches 44 de protection, par exemple en matériau polymère. Ainsi, selon une forme de réalisation, le capteur 4 présente un empilement substrat 43, électrode 41, couche 40 piézoélectrique ridée, électrode 42, couche 44 protectrice. Avantageusement, c'est le substrat 43, ici en polymère, qui est choisi pour assurer le contact avec la face 31 interne de la paroi 30 de détection. Dans ce cas de figure, ce sont les vallées des ondulations qui assurent la continuité mécanique.With reference to the figure 5 , the sensor 4 advantageously comprises at least one electrode 41, 42 made of a conductive material on each side of the piezoelectric layer 40, as well as a substrate 43, for example made of polymer, to support the stack of electrode, piezoelectric layer, electrode, and allow its manipulation. Furthermore, the sensor 4 may comprise one or more protective layers 44, for example made of polymer material. Thus, according to one embodiment, the sensor 4 has a stack of substrate 43, electrode 41, wrinkled piezoelectric layer 40, electrode 42, protective layer 44. Advantageously, it is the substrate 43, here made of polymer, which is chosen to ensure contact with the internal face 31 of the detection wall 30. In this case, it is the valleys of the undulations which ensure the mechanical continuity.

Le capteur 4 se présente avantageusement sous la forme d'un film flexible pouvant être fixé, par exemple par collage ou surmoulage, sur la face 31 interne de la paroi 30 de détection.The sensor 4 is advantageously in the form of a flexible film which can be fixed, for example by gluing or overmoulding, on the internal face 31 of the wall 30 of detection.

Le capteur 4 peut alternativement se présenter sous une forme rigide, par exemple si le substrat est un PCB (de l'anglais « printed circuit board », pour circuit imprimé). Dans ce cas, d'autres modes d'assemblages peuvent être envisagés par tout moyen de fixation mécanique comme des vis, rivets, ...The sensor 4 can alternatively be in a rigid form, for example if the substrate is a PCB (from the English “printed circuit board”, for printed circuit). In this case, other assembly methods can be envisaged by any means of mechanical fastening such as screws, rivets, etc.

Comme illustré sur la figure 2, on notera que la zone de détection, schématiquement représentée en pointillés, est avantageusement plus grande que le capteur 4. Ainsi, cette zone de détection s'étend sur une surface plus grande que celle occupée par le capteur 4 sur la face 31 interne de la paroi 30 de détection. Le capteur 4 détecte donc et identifie des contacts de l'utilisateur avec la face 33 externe qui peuvent survenir non pas sur la seule partie de face 33 externe derrière laquelle est situé le capteur 4, mais également sur des parties de face 33 externe qui sont à proximité du capteur 4, autour de celui-ci. La détection est plus fiable, d'une part, et d'autre part il devient possible de positionner des équipements additionnels sur la face 33 externe, dans la zone de détection, à côté du capteur 4, comme par exemple un écran d'interface (non représenté) avec l'utilisateur. A titre d'exemple, le ratio entre la surface de la zone de détection par rapport à celle occupée par le capteur peut aller de 1 à 1000, de préférence de 10 à 500 et encore plus préférentiellement de 100 à 500, par exemple de l'ordre de 300.As illustrated on the picture 2 , it will be noted that the detection zone, shown schematically in dotted lines, is advantageously larger than the sensor 4. Thus, this detection zone extends over a larger surface than that occupied by the sensor 4 on the internal face 31 of the detection wall 30. The sensor 4 therefore detects and identifies user contact with the external face 33 which may occur not only on the external face part 33 behind which the sensor 4 is located, but also on external face parts 33 which are close to sensor 4, around it. The detection is more reliable, on the one hand, and on the other hand it becomes possible to position additional equipment on the external face 33, in the detection zone, next to the sensor 4, such as for example an interface screen (not shown) with the user. By way of example, the ratio between the surface of the detection zone with respect to that occupied by the sensor can range from 1 to 1000, preferably from 10 to 500 and even more preferably from 100 to 500, for example from l order of 300.

En référence à la figure 3, le dispositif 1 peut avantageusement comprendre des moyens d'éclairage pour émettre un signal lumineux indiquant à l'utilisateur l'emplacement de la zone de détection. Les moyens d'éclairage sont agencés à proximité de la zone de détection, par exemple sous la paroi 30 de détection, le cas échéant dans une moitié inférieure de la poignée 2. Les moyens d'éclairage peuvent former, avec la paroi 30 de détection, la demi-coque externe 237 de la poignée 2. Les moyens d'éclairage s'étendent de préférence parallèlement à la zone de détection.With reference to the picture 3 , the device 1 can advantageously comprise lighting means for emitting a light signal indicating to the user the location of the detection zone. The lighting means are arranged close to the detection zone, for example under the detection wall 30, where appropriate in a lower half of the handle 2. The lighting means can form, with the detection wall 30 , the outer half-shell 237 of the handle 2. The lighting means preferably extend parallel to the detection zone.

De préférence, les moyens d'éclairage comprennent une pluralité de sources 5 lumineuses, avantageusement des diodes électroluminescentes (DEL, ou LED selon l'acronyme anglais). Ces sources 5 lumineuses sont configurées pour s'allumer ou s'éteindre indépendamment les unes des autres afin de fournir à l'utilisateur un signal visuel prédéterminé lui suggérant la nature du mouvement à effectuer sur la zone de détection. Par exemple, en référence à la figure 1, les sources 5 lumineuses s'allument successivement dans le sens de la flèche A, vers l'arrière du véhicule, pour suggérer à l'utilisateur l'exécution d'un mouvement glissant destiné par exemple à déverrouiller l'ouvrant. Les sources 5 lumineuses peuvent également s'allumer ensemble à une fréquence prédéterminée, pour suggérer un mouvement de simple ou double toucher, ou rester allumées pendant une durée prédéterminée pour suggérer un appui plus ou moins prolongé du doigt de l'utilisateur sur la face 33 externe formant la zone de détection. Ces sources 5 lumineuses peuvent également changer de couleur pour indiquer le bon déroulement de l'action, par exemple une couleur verte pour l'état déverrouillé et une couleur rouge pour l'état verrouillé.Preferably, the lighting means comprise a plurality of light sources, advantageously light-emitting diodes (LED, or LED according to the English acronym). These light sources 5 are configured to turn on or off independently of each other in order to provide the user with a predetermined visual signal suggesting to him the nature of the movement to be performed on the area of detection. For example, with reference to the figure 1 , the light sources 5 light up successively in the direction of the arrow A, towards the rear of the vehicle, to suggest to the user the execution of a sliding movement intended for example to unlock the opening. The light sources 5 can also light up together at a predetermined frequency, to suggest a single or double touch movement, or remain lit for a predetermined time to suggest a more or less prolonged pressing of the user's finger on the face 33 external forming the detection zone. These light sources 5 can also change color to indicate the correct progress of the action, for example a green color for the unlocked state and a red color for the locked state.

Toujours en référence à la figure 3, les moyens d'éclairage comprennent notamment une matrice 50 de diodes électroluminescentes multiplexées abritées derrière une optique 51 protectrice permettant également de diffuser la lumière émise par les diodes électroluminescentes. Les moyens d'éclairage, plus précisément l'optique 51, peuvent être fixés par collage, clippage, vissage ou surmoulage à la paroi 30 de détection.Still with reference to the picture 3 , the lighting means comprise in particular a matrix 50 of multiplexed light-emitting diodes housed behind protective optics 51 also making it possible to diffuse the light emitted by the light-emitting diodes. The lighting means, more specifically the optics 51, can be fixed by gluing, clipping, screwing or overmolding to the detection wall 30 .

Le dispositif 1 peut également comprendre des moyens de détection d'utilisateur autorisé, configurés pour détecter la présence d'un utilisateur autorisé à proximité du véhicule. Les moyens de détection d'utilisateur autorisé comprennent un système embarqué dans le véhicule, comme par exemple une antenne et un récepteur radio, et un identifiant porté par l'utilisateur autorisé, comme par exemple un porteclés, un terminal tel qu'un smartphone, ou encore une clé émettrice. Ainsi, l'exécution du déverrouillage ou du verrouillage de la ou des portes du véhicule peut être subordonnée à l'identification d'un utilisateur autorisé à proximité du véhicule.The device 1 can also comprise authorized user detection means, configured to detect the presence of an authorized user near the vehicle. The authorized user detection means comprise a system on board the vehicle, such as for example an antenna and a radio receiver, and an identifier carried by the authorized user, such as for example a key fob, a terminal such as a smartphone, or a transmitter key. Thus, the execution of the unlocking or the locking of the door(s) of the vehicle can be subordinated to the identification of an authorized user near the vehicle.

Le dispositif 1 de verrouillage et/ou déverrouillage inclut également un verrou (non représenté) mobile entre une position de verrouillage dans laquelle le verrou maintient l'ouvrant fermé et une position de déverrouillage dans laquelle le verrou autorise l'ouverture de l'ouvrant.The locking and/or unlocking device 1 also includes a lock (not shown) movable between a locking position in which the lock keeps the leaf closed and an unlocking position in which the lock authorizes the opening of the leaf.

En référence à la figure 4, lorsque le dispositif 1 de verrouillage et/ou déverrouillage est intégré dans une poignée 2, cette poignée 2 peut également comprendre tout ou partie des caractéristiques suivantes. La poignée 2 peut ainsi comprendre des moyens de liaison pivot reliant rotativement l'anse 23 de la poignée 2 et le châssis 21. Les moyens de liaison pivot peuvent comprendre un axe 24 monté dans le châssis 21 et un bras 22 de pivot reliant l'axe à l'anse 23 de la poignée 2. Des moyens d'étanchéité, comme un joint 26 de pivot, peuvent également équiper la poignée 2. La poignée 2 peut comprendre un levier 27 coudé monté rotatif par rapport au châssis 21 et rappelé par des moyens de rappel, comme un ressort 28, dans une position de repos. La poignée 2 peut en outre comprendre un bras 29 monté rotatif dans l'anse 23 d'une part et rotatif par rapport au levier 27 coudé d'autre part. La traction exercée par l'utilisateur sur la poignée 2 de l'anse 23 se transmet ainsi par l'intermédiaire du bras 29 rotatif au levier 27 coudé, la rotation du levier 27 coudé permettant l'ouverture de la portière. La rotation du levier 27 coudé agit sur un câble qui à son tour agit sur la serrure, provoquant l'ouverture de la portière. L'unité centrale permet quant à elle le déverrouillage de la portière en envoyant une consigne à l'actionneur de la serrure.With reference to the figure 4 , when the locking and/or unlocking device 1 is integrated into a handle 2, this handle 2 may also include all or some of the following characteristics. The handle 2 can thus comprise pivot connection means rotatably connecting the handle 23 of the handle 2 and the frame 21. The pivot connection means can comprise a pin 24 mounted in the frame 21 and a pivot arm 22 connecting the axis to the handle 23 of the handle 2. Sealing means, such as a pivot joint 26, can also be fitted to the handle 2. The handle 2 can comprise a bent lever 27 rotatably mounted relative to the frame 21 and returned by return means, such as a spring 28, to a rest position. The handle 2 may further comprise an arm 29 rotatably mounted in the handle 23 on the one hand and rotatable with respect to the angled lever 27 on the other hand. The traction exerted by the user on the handle 2 of the handle 23 is thus transmitted via the rotary arm 29 to the angled lever 27, the rotation of the angled lever 27 allowing the door to be opened. The rotation of the angled lever 27 acts on a cable which in turn acts on the lock, causing the door to open. The central unit allows the unlocking of the door by sending an instruction to the lock actuator.

La poignée 2 peut comprendre un capuchon 30 incluant un barillet de serrure permettant le déverrouillage ou le verrouillage de l'ouvrant par l'intermédiaire d'une clé mécanique. Ainsi, le dispositif 1 de verrouillage et/ou déverrouillage comprend des moyens purement mécaniques de commande de verrouillage ou de déverrouillage configurés pour permettre un verrouillage ou un déverrouillage de l'ouvrant par clé, en particulier en cas de panne électrique.The handle 2 can comprise a cap 30 including a key cylinder allowing the unlocking or the locking of the sash by means of a mechanical key. Thus, the locking and/or unlocking device 1 comprises purely mechanical locking or unlocking control means configured to allow the door to be locked or unlocked by key, in particular in the event of an electrical fault.

La poignée 2 comprend également un microrupteur 32 permettant d'actionner une aide à l'ouverture de la porte, en particulier un déclenchement électrique de la gâche de la porte, si la serrure est du type électromécanique.The handle 2 also comprises a microswitch 32 making it possible to actuate an aid for opening the door, in particular an electric triggering of the strike plate of the door, if the lock is of the electromechanical type.

Le fonctionnement du dispositif 1 de verrouillage et/ou déverrouillage est décrit ci-après.The operation of the locking and/or unlocking device 1 is described below.

Le procédé de verrouillage et/ou de déverrouillage d'un ouvrant de véhicule automobile peut comprendre une étape initiale de détection d'un utilisateur par l'intermédiaire des moyens de détection d'utilisateur autorisé. Cette étape peut être suivie d'une étape d'émission d'un signal visuel prédéterminé par l'intermédiaire des moyens d'éclairage, afin de signaler l'emplacement de la paroi 30 de détection et/ou suggérer à l'utilisateur l'exécution d'un contact prédéterminé sur cette paroi 30 de détection.The method for locking and/or unlocking a motor vehicle door may comprise an initial step of detecting a user via the authorized user detection means. This step can be followed by a step of emitting a predetermined visual signal via the lighting means, in order to signal the location of the detection wall 30 and/or to suggest to the user the execution of a predetermined contact on this detection wall 30 .

Le procédé comprend une étape de détection d'un contact prédéterminé sur la paroi 30 de détection, par l'intermédiaire du capteur 4. La puce électronique connectée au capteur 4 identifie la fonction prédéterminée, typiquement verrouillage ou déverrouillage de l'ouvrant, associée au type de contact détecté, et envoie une requête en exécution de cette fonction prédéterminée à l'unité centrale du véhicule. Dans la mesure où l'utilisateur a été identifié au préalable comme autorisé, l'unité centrale commande le déverrouillage ou le verrouillage de la portière, selon le mouvement de contact effectué par l'utilisateur. L'utilisateur peut ensuite tirer la poignée 2 pour ouvrir la portièreThe method comprises a step of detecting a predetermined contact on the detection wall 30, via the sensor 4. The electronic chip connected to the sensor 4 identifies the predetermined function, typically locking or unlocking of the opening, associated with the type of contact detected, and sends a request in execution of this predetermined function to the central unit of the vehicle. Insofar as the user has been previously identified as authorized, the central unit commands the unlocking or locking of the door, according to the contact movement made by the user. The user can then pull handle 2 to open the door

On notera que le procédé peut alternativement débuter par l'étape de détection de contact via la paroi 30 de détection et le capteur 4, puis être suivi par l'étape de détection d'utilisateur autorisé dès lors que l'unité centrale reçoit la requête en exécution d'un verrouillage ou déverrouillage. Dans la mesure où l'utilisateur est reconnu comme autorisé, l'unité centrale peut ensuite commander l'exécution du verrouillage ou déverrouillage. L'étape d'émission d'un signal visuel par les moyens d'éclairage peut ensuite avoir lieu pour signaler à l'utilisateur que le verrouillage ou déverrouillage a été exécuté. Dans le cas d'un déverrouillage, l'utilisateur peut ensuite tirer la poignée 2 pour ouvrir la portière.It will be noted that the method can alternatively begin with the contact detection step via the detection wall 30 and the sensor 4, then be followed by the authorized user detection step as soon as the central unit receives the request when executing a locking or unlocking. Insofar as the user is recognized as authorized, the central unit can then command the execution of the locking or unlocking. The step of emitting a visual signal by the lighting means can then take place to signal to the user that the locking or unlocking has been executed. In the case of unlocking, the user can then pull the handle 2 to open the door.

Bien entendu, l'invention n'est nullement limitée au mode de réalisation décrit ci-dessus, ce mode de réalisation n'ayant été donné qu'à titre d'exemple. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par la substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the invention is in no way limited to the embodiment described above, this embodiment having been given only by way of example. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by the substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Claims (9)

  1. A device (1) for locking and/or unlocking a door leaf of a motor vehicle, the device (1) comprising a detection wall (30) having an inner face (31) and an opposite outer face (33), the outer face (33) forming a contact detection area, and detection means arranged against the inner face (31) for detecting a contact between a finger or a hand of a user and said outer face (33), wherein the detection means comprise a sensor (4) having a layer (40) made of a piezoelectric material with surface undulations in the form of ridges, said layer (40) made of a piezoelectric material being configured to detect a predetermined contact on the outer face (33) in order to control, depending on the predetermined detected contact, the locking or the unlocking of the door leaf, and wherein the detection area extends over a surface larger than that occupied by the layer (40) made of a piezoelectric material on the inner face (31).
  2. The device (1) according to claim 1, wherein the device (1) comprises lighting means adjacent to the detection area.
  3. The device (1) according to claim 2, wherein the lighting means comprise a plurality of light sources (5) configured to emit a predetermined light signal in order to suggest to the user the execution on the detection area of a predetermined contact.
  4. The device (1) according to any claims 1 to 3, wherein the detection means are glued or overmolded onto the inner face (31).
  5. The device (1) according to any of claims 1 to 4, wherein the device (1) comprises a handle (2) for a motor vehicle door, and the detection wall (30) is part of this handle (2).
  6. The device (1) according to claim 5, wherein the handle (2) comprises a grip (23) having an outer side and an opposite inner side, and the detection wall (30) is arranged on the outer side of the grip of the handle (2).
  7. The device (1) according to any of claims 1 to 5, wherein the device (1) comprises a motor vehicle door post, and the detection wall (30) is integrated into this post.
  8. A motor vehicle comprising a locking and/or unlocking device (1) according to any of claims 1 to 7.
  9. A method for locking and/or unlocking a door leaf of a motor vehicle comprising the steps:
    - of detecting an authorized user near the vehicle,
    - of detecting a predetermined contact on the detection area of a locking and/or unlocking device (1) according to any of claims 1 to 7,
    - of locking or unlocking the door leaf depending on the predetermined contact made by the user.
EP20747016.2A 2019-06-24 2020-06-22 Device for locking and/or unlocking a motor vehicle opening panel, vehicle comprising said device and method for locking or unlocking a motor vehicle opening panel using said device Active EP3987137B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1906774A FR3097583B1 (en) 2019-06-24 2019-06-24 Device for locking and/or unlocking a motor vehicle door, vehicle comprising this device and method for locking or unlocking a motor vehicle door using this device.
PCT/FR2020/051079 WO2020260812A1 (en) 2019-06-24 2020-06-22 Device for locking and/or unlocking a motor vehicle opening panel, vehicle comprising said device and method for locking or unlocking a motor vehicle opening panel using said device

Publications (2)

Publication Number Publication Date
EP3987137A1 EP3987137A1 (en) 2022-04-27
EP3987137B1 true EP3987137B1 (en) 2023-07-12

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EP20747016.2A Active EP3987137B1 (en) 2019-06-24 2020-06-22 Device for locking and/or unlocking a motor vehicle opening panel, vehicle comprising said device and method for locking or unlocking a motor vehicle opening panel using said device

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US (1) US11952808B2 (en)
EP (1) EP3987137B1 (en)
CN (1) CN114127378B (en)
FR (1) FR3097583B1 (en)
WO (1) WO2020260812A1 (en)

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Publication number Priority date Publication date Assignee Title
EP4261372A1 (en) * 2022-04-13 2023-10-18 U-Shin Italia S.p.A. Vehicle door handle assembly

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6965189B2 (en) * 2002-09-20 2005-11-15 Monodrive Inc. Bending actuators and sensors constructed from shaped active materials and methods for making the same
JP3812592B2 (en) * 2005-11-07 2006-08-23 松下電器産業株式会社 Door handle device
JP4600323B2 (en) * 2006-03-15 2010-12-15 アイシン精機株式会社 Vehicle door handle
JP4947348B2 (en) * 2006-09-13 2012-06-06 アイシン精機株式会社 Vehicle door handle device
JP2008082069A (en) * 2006-09-28 2008-04-10 Aisin Seiki Co Ltd Door handle for vehicle
DE102012107189A1 (en) * 2012-07-18 2014-01-23 Huf Hülsbeck & Fürst Gmbh & Co. Kg Electronic module for e.g. door handle for security system of motor car, has electronic unit surrounded by casting material in housing that comprises hollow chambers, where electrodes of electronic unit are arranged in hollow chambers
FR3012255B1 (en) 2013-10-17 2017-03-10 Commissariat Energie Atomique PROCESS FOR FORMING WRINKLES BY FUSIONING A FOUNDATION ON WHICH RESTORATES A CONSTRAINED LAYER
EP3088641A1 (en) * 2015-05-01 2016-11-02 Adac Plastics, Inc. Control for vehicle closures
JP6572161B2 (en) * 2016-03-22 2019-09-04 株式会社ミツバ Operation detection device

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Publication number Publication date
CN114127378B (en) 2024-01-05
FR3097583A1 (en) 2020-12-25
US11952808B2 (en) 2024-04-09
EP3987137A1 (en) 2022-04-27
US20220349221A1 (en) 2022-11-03
FR3097583B1 (en) 2022-08-12
WO2020260812A1 (en) 2020-12-30
CN114127378A (en) 2022-03-01

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