EP3507436A1 - Système de poignée de porte pour véhicule automobile - Google Patents

Système de poignée de porte pour véhicule automobile

Info

Publication number
EP3507436A1
EP3507436A1 EP17794700.9A EP17794700A EP3507436A1 EP 3507436 A1 EP3507436 A1 EP 3507436A1 EP 17794700 A EP17794700 A EP 17794700A EP 3507436 A1 EP3507436 A1 EP 3507436A1
Authority
EP
European Patent Office
Prior art keywords
door handle
handle system
detection element
doing
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP17794700.9A
Other languages
German (de)
English (en)
Other versions
EP3507436B1 (fr
Inventor
Matthias Koch
Nicole LIERSCH
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.)
Witte Automotive GmbH
Original Assignee
Witte Automotive GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Witte Automotive GmbH filed Critical Witte Automotive GmbH
Publication of EP3507436A1 publication Critical patent/EP3507436A1/fr
Application granted granted Critical
Publication of EP3507436B1 publication Critical patent/EP3507436B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
    • E05B81/04—Electrical
    • E05B81/06—Electrical using rotary motors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B81/00—Power-actuated vehicle locks
    • E05B81/24—Power-actuated vehicle locks characterised by constructional features of the actuator or the power transmission
    • E05B81/32—Details of the actuator transmission
    • E05B81/34—Details of the actuator transmission of geared transmissions
    • 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
    • E05B85/103—Handles creating a completely closed wing surface
    • 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
    • E05B85/107—Pop-out handles, e.g. sliding outwardly before rotation
    • 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

Definitions

  • the present invention relates to a door handle system for a motor vehicle comprising a mounting bracket, at least one component movable relative to the mounting bracket and at least one sensor for detecting a position of the movable member relative to the mounting bracket.
  • Door handle systems of this type are known in principle.
  • microswitches are used in such door handle systems to detect the position of one or more movable members relative to the mounting bracket.
  • these micro-switches prove to be disadvantageous in that they require comparatively much space, are susceptible to wear and are sensitive to external influences such as vibration, moisture or dust.
  • Hall sensors for detecting the position of a movable component.
  • magnetic material which has a negative effect on the production costs.
  • the invention has for its object to provide a door handle system of the type mentioned, which is characterized by a higher efficiency.
  • the sensor is an inductive sensor.
  • an inductive sensor measures the change in an inductance by changing the content of an electrically conductive material, for example metal, in the detection range of the sensor.
  • the inductive sensor forms a resonant circuit whose frequency changes when the content of the electrically conductive material in the detection range of the sensor changes, for example, the metal content in the detection range increases or decreases.
  • Inductive sensors have the advantage over microswitches that they detect non-contact and thus virtually wear-free and are also insensitive to external influences, such as vibrations, moisture or dust. Both ultimately contribute to a permanently reliable function of the sensors. In addition, inductive sensors require much less installation space than microswitches. Compared to
  • inductive sensors also have the advantage that they do not require magnetic material for detection, but sufficient electrically conductive material, such as simple metal.
  • an inductive sensor not only allows an absolute determination of the position of the movable member, but it can also determine multiple positions of the movable member by means of a single inductive sensor.
  • the use of an inductive sensor not only allows a more compact design, but also a more cost-effective production of the door handle system, both of which contribute to a higher efficiency of the door handle system.
  • the senor can be attached to the movable component and detect its movement relative to a stationary, for example attached to a mounting bracket, electrically conductive detection element. In most cases, however, it is favorable by design, when the sensor is mounted on the mounting bracket and detects the position of a movable electrically conductive detection element.
  • the electrically conductive detection element can be mounted directly on or in the movable component.
  • the electrically conductive detection element is attached to or in a drive element for driving the movable component.
  • a drive element is preferably part of a transmission connected between a motor, in particular an electric motor, and the movable component.
  • the drive element may be part of a worm gear and in particular a worm wheel.
  • the detection element performs a linear movement through the detection range of the sensor.
  • the detection element performs a non-linear, eg circular, movement through the detection area.
  • the detection element may be provided on or in a carrier, for example in the form of an eccentric, which is rotatably connected to the drive element.
  • the carrier ensures a rotational movement of the detection element and thus makes it possible in a particularly simple manner to realize a change in the content of electrical material in the detection range of the sensor that is sufficient for position detection while the compact design is at the same time, since the detection element extends around an axis of rotation of the carrier can.
  • the detection element can expand continuously in a direction of movement.
  • the detection element can increase continuously in a direction of movement.
  • the detection element is formed by a series of discrete, mutually objected individual elements.
  • the distance and / or a height and / or a width of the individual elements can thereby increase or decrease continuously in a direction of movement.
  • Each of these measures ensures that the content of electrically conductive material detected by the sensor changes as the detection element moves in the detection range of the sensor.
  • the senor when a predetermined position of the detection element is reached, the sensor outputs a signal which, for example, can trigger deactivation of the mentioned motor and / or the electrical opening of a door lock.
  • the movable component may be a handle part, for example an outside door handle.
  • the grip part in the attachment bracket can be received such that an outer side of the grip part terminates flush with an outer panel of the motor vehicle surrounding the door grip system.
  • FIG. 1 shows a perspective view of a door handle system according to the invention with the handle part in the rest position;
  • FIG. 2 shows the door handle system of FIG. 1 with the handle part swung out
  • FIG. 3 shows an electric drive of the door handle system of FIG. 1.
  • a door handle system for a motor vehicle is shown.
  • the door handle system is intended for installation in a door, in particular a left side door of the motor vehicle.
  • the door handle system includes a mounting bracket 10 and a handle portion 12, in the present embodiment, an outside door handle, which is pivotally mounted on the mounting bracket 10.
  • the handle part 12 is pivotable about a pivot axis 14, which is oriented substantially vertically in the present embodiment.
  • FIG. 1 shows the grip part 12 in a rest position in which it is completely received in the attachment bracket 10 such that an outer face 16 of the grip part 12 is substantially flush with an outer edge 18 of the attachment bracket. If the mounting bracket 10 is inserted flush into an outer panel of the motor vehicle, the outer surface 16 of the grip part 12, which is in the rest position, thus also terminates flush with the outer panel of the motor vehicle.
  • the door handle system comprises an electric drive 20 (FIG. 3) integrated in the mounting bracket 10, which is coupled to the handle part 12 in order to remove it from that shown in FIG shown rest position to pivot in an operating position shown in Fig. 2, in which the handle portion 12, in particular a rear portion of the handle portion 12, at least partially from the mounting bracket 10 is out.
  • the electric drive 20 can automatically pivot the grip part 12 into the actuation position whenever an authorized user approaches the vehicle.
  • the electric drive 20 includes an electric motor 22, on the output shaft 24, a worm 26 is rotatably formed.
  • the worm 26 is in engagement with a worm wheel 28 whose axis of rotation 30 coincides with the pivot axis 14 of the handle part 12. More specifically, the worm wheel 28 is non-rotatably mounted on the pivot axis 14, so that a rotation of the worm wheel 28 results directly in a pivoting of the grip part 12.
  • This bearing detection takes place by means of an inductive sensor 32, which detects the position of an electrically conductive detection element 34.
  • the detection element 34 is a metal foil which has an elongated strip shape and is curved around the pivot axis 14 in the circumferential direction.
  • the detection element 34 runs in the direction of its one end, in Fig. 3 in the direction of its left end, continuously pointed. In other words, the detection element 34 widens in the direction of its right-hand end in FIG. 3, ie the width of the detection element 34 increases continuously in the longitudinal direction of the detection element 34. It is understood that the extension of the detection element 34 but also can take place in the reverse direction.
  • the metal foil is applied to a carrier 36 formed from a plastic material, which in turn sits non-rotatably on the pivot axis 14.
  • the carrier 36 has the shape of an eccentric, but it is understood that the carrier 36 could also have any other shape, which allows an extension of the detection element 34 in the circumferential direction about the pivot axis 14 around.
  • the detection element 34 could also be attached directly to the worm wheel 28, whereby a separate carrier 36 could be dispensed with.
  • the detection element 34 is arranged in the detection region of the sensor 32 and, with a rotation of the worm wheel 28 and thus pivoting of the grip part 12, moves relative to the sensor 32, more specifically in the circumferential direction around the pivot axis 14, through the detection region of the sensor 32 Due to the continuous widening of the detection element 34 in the circumferential direction, the sensor 32 detects, depending on the rotational position of the worm wheel 28 and carrier 36, a different amount of electrically conductive material, which leads to a corresponding frequency change of the resonant circuit of the sensor 32, from which the position of the detection element 34 and thus ultimately the grip part 12 can be determined absolutely.
  • the senor 32 is arranged at a first possible location (1.), For example above the carrier 36. Purely by way of example, however, three further possible locations (2. -4.) For arranging the sensor 32 are shown in FIG. 3 indicated.
  • the decisive factor is that the sensor 32 and the detection element 34 are arranged relative to one another such that the detection element 34 moves through the detection region of the sensor 32 during a rotation of the worm wheel 28.
  • the achievement of a predetermined frequency change of the resonant circuit may be defined as a switching point of the sensor 32, in which the handle part 12 has reached its actuating position and the electric motor 22 is stopped.
  • the handle part 32 If the handle part 32 is in its actuation position, the user can pivot the handle part 12 manually beyond the actuation position in order to move through the actuation position Handle part 12 to operate a Bowden cable, which couples the handle part 12 with the mechanics of a door lock and accordingly allows manual opening of the door lock. But it is also conceivable a servo opening of the door lock, wherein the door lock is not mechanically connected to the door handle system, but electrically. In this case, a manual pivoting of the handle portion 12 by the user beyond the operating position in turn detected by the sensor 32 and output upon reaching a predetermined pivot position of the handle portion 12, a corresponding signal from the sensor 32 to the door lock to open this electrically.

Landscapes

  • Lock And Its Accessories (AREA)

Abstract

L'invention concerne un système de poignée de porte destiné à un véhicule automobile, ce système comprenant une console de fixation, au moins un élément mobile par rapport à la console de fixation et au moins un capteur destiné à détecter la position de l'élément mobile par rapport à la console de fixation.
EP17794700.9A 2016-10-27 2017-10-25 Système de poignée de porte pour véhicule automobile Active EP3507436B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016120576.1A DE102016120576A1 (de) 2016-10-27 2016-10-27 Türgriffsystem für ein Kraftfahrzeug
PCT/EP2017/077227 WO2018077915A1 (fr) 2016-10-27 2017-10-25 Système de poignée de porte pour véhicule automobile

Publications (2)

Publication Number Publication Date
EP3507436A1 true EP3507436A1 (fr) 2019-07-10
EP3507436B1 EP3507436B1 (fr) 2020-12-02

Family

ID=60268359

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17794700.9A Active EP3507436B1 (fr) 2016-10-27 2017-10-25 Système de poignée de porte pour véhicule automobile

Country Status (4)

Country Link
EP (1) EP3507436B1 (fr)
CN (1) CN109923273B (fr)
DE (1) DE102016120576A1 (fr)
WO (1) WO2018077915A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024056126A1 (fr) * 2022-09-12 2024-03-21 Kiekert Aktiengesellschaft Dispositif d'entraînement d'une poignée de porte

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018120074A1 (de) * 2018-08-17 2020-02-20 Witte Automotive Gmbh Schließsystem

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4205957A1 (de) * 1992-02-27 1993-09-02 Vogt Electronic Ag Spulenaufbau
FR2750155B1 (fr) * 1996-06-25 1998-09-04 Valeo Securite Habitacle Dispositif de commande de l'ouverture d'une serrure d'un ouvrant de vehicule automobile
DE19743129C2 (de) * 1997-08-25 1999-08-26 Bosch Gmbh Robert Kraftfahrzeug-Schließvorrichtung mit einer Positionserkennung eines sich bewegenden Stellelementes
EP1007812A1 (fr) * 1997-08-25 2000-06-14 Robert Bosch Gmbh Dispositif de fermeture pour vehicules automobiles comportant un systeme de reconnaissance de la position d'un element de reglage se depla ant
FR2889553B1 (fr) * 2005-08-02 2007-11-09 Renault Sas Commande d'ouverture exterieure motorisee d'un ouvrant d'un vehicule automobile
US8701353B2 (en) * 2012-06-29 2014-04-22 Ford Global Technologies, Llc Deployable door handle for vehicles
JP6009325B2 (ja) * 2012-11-12 2016-10-19 アイシン精機株式会社 ドアハンドル装置
US9157768B2 (en) * 2013-03-04 2015-10-13 Texas Instruments Incorporated Inductive sensing including inductance multiplication with series connected coils
FR3023865B1 (fr) * 2014-07-17 2016-07-29 Mgi Coutier Espana Sl Ensemble de poignee pour vehicule automobile et ouvrant comprenant un tel ensemble de poignee
EP3032013B1 (fr) * 2014-12-08 2017-03-29 Huf Hülsbeck & Fürst GmbH & Co. KG Manette d'actionnement pour un véhicule
DE102015205659A1 (de) * 2015-03-27 2016-09-29 Volkswagen Aktiengesellschaft Griffvorrichtung für eine Tür, Türanordnung
FR3051501B1 (fr) * 2016-05-20 2018-05-18 Peugeot Citroen Automobiles Sa Commande d’ouverture exterieure de vehicule automobile
DE102016007112A1 (de) * 2016-06-13 2017-12-14 Huf Hülsbeck & Fürst Gmbh & Co. Kg Griffeinheit für ein bewegliches Teil eines Fahrzeugs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024056126A1 (fr) * 2022-09-12 2024-03-21 Kiekert Aktiengesellschaft Dispositif d'entraînement d'une poignée de porte

Also Published As

Publication number Publication date
EP3507436B1 (fr) 2020-12-02
CN109923273A (zh) 2019-06-21
WO2018077915A1 (fr) 2018-05-03
DE102016120576A1 (de) 2018-05-03
CN109923273B (zh) 2022-05-03

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