EP2088267A2 - Agencement de capteur pouvant être actionné manuellement dans une paroi d'une poignée de véhicule automobile - Google Patents

Agencement de capteur pouvant être actionné manuellement dans une paroi d'une poignée de véhicule automobile Download PDF

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Publication number
EP2088267A2
EP2088267A2 EP09152594A EP09152594A EP2088267A2 EP 2088267 A2 EP2088267 A2 EP 2088267A2 EP 09152594 A EP09152594 A EP 09152594A EP 09152594 A EP09152594 A EP 09152594A EP 2088267 A2 EP2088267 A2 EP 2088267A2
Authority
EP
European Patent Office
Prior art keywords
sensor
wall
mechano
electrical
arrangement according
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
EP09152594A
Other languages
German (de)
English (en)
Other versions
EP2088267B1 (fr
EP2088267A3 (fr
Inventor
Stefan Lange
Martin Witte
Andreas Peschl
Bernd Gerdes
Klaus-Dieter Kulik
Witold Joschko
Peter Van Gastel
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.)
Huf Huelsbeck and Fuerst GmbH and Co KG
Original Assignee
Huf Huelsbeck and Fuerst GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huf Huelsbeck and Fuerst GmbH and Co KG filed Critical Huf Huelsbeck and Fuerst GmbH and Co KG
Publication of EP2088267A2 publication Critical patent/EP2088267A2/fr
Publication of EP2088267A3 publication Critical patent/EP2088267A3/fr
Application granted granted Critical
Publication of EP2088267B1 publication Critical patent/EP2088267B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B39/00—Locks giving indication of authorised or unauthorised unlocking
    • E05B39/007—Indication by a tactile impulse to the user, e.g. vibration of a lock-, handle- or key-part
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0011—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with piezoelectric actuators
    • 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

Definitions

  • the invention relates to a arranged in a wall of a motor vehicle door handle, manually operable by an operator mechano-electrical sensor assembly having a first sensor portion comprising at least one moving upon actuation by the operator component, and a second sensor portion which detects the movement of the component and a corresponding sensor output signal outputs.
  • a mechano-electrical sensor arrangement is to be understood here as meaning an arrangement which detects a mechanical variable (eg force or displacement) and outputs a corresponding electrical signal (eg current or voltage). This electrical signal need not be generated directly from the detected mechanical quantity; There may also be a chain of transformations in which correspondingly variable mechanical quantities or electrical or magnetic fields are generated.
  • a manually operable mechano-electrical sensor arrangement is then one which detects, for example, the placement of a hand or the pressing by means of a finger. Moving a component is understood to mean any translation, rotation or even deformation.
  • Such a sensor arrangement is used for example in an outside door handle for triggering a closing function by manual operation by a driver of the motor vehicle, which wishes to close the vehicle doors after getting out of the vehicle.
  • the haptic feedback can be obtained in these sensors only if the operation of the capacitive sensor detected by a drive circuit is used to trigger an active mechanical feedback, for example with the aid of a vibration transmitter (cf. EP 1 510 637 A1 ).
  • the disadvantage here is the relatively high circuit complexity for generating an active mechanical feedback.
  • the object of the invention is therefore to provide a suitable for a motor vehicle door handle sensor assembly, which gives an operator a mechanically noticeable feedback (also called “tactile” or “tactile” feedback), but still requires a relatively low circuit complexity and protection of the electrical Assemblies against environmental influences allowed.
  • the mechano-electrical sensor arrangement has a first sensor section which is arranged on an outer side of a wall section of the wall and which comprises at least one component moved by the operator when actuated, and a second sensor section arranged behind the wall section which detects the movement of the component and a corresponding sensor output signal spend, on.
  • the wall of the motor vehicle door handle hermetically encloses electrical assemblies and the second sensor section and isolates them from the environment.
  • the first sensor section comprises a deformable mechanical element having a stable resting state and a metastable state (ie, a "click-frog") formed in a depression of the wall wherein an erratic transition to the metastable state caused by a manual application of force to an exterior of the deformable mechanical element results in a tactile feedback sensible to the operator.
  • a deformable mechanical element having a stable resting state and a metastable state (ie, a "click-frog") formed in a depression of the wall wherein an erratic transition to the metastable state caused by a manual application of force to an exterior of the deformable mechanical element results in a tactile feedback sensible to the operator.
  • a metastable state ie, a "click-frog
  • the slight deformations of the piezoelectric sensor are not felt by an operator.
  • the tactile (or haptic) feedback to the operator provides the deformable mechanical element with a stable resting state and a metastable state (ie the "crackpot frog"), ie an element that in a relatively slow and continuous operation with a manually applied force After an initially small, barely perceptible movement suddenly jumps into a state, but it does not maintain after the removal of the force. This sudden change is noticeable to the operator.
  • the arrangement according to the invention in particular the division into a first sensor section arranged in front of the wall and a second sensor section arranged behind the wall, advantageously leads to a separation or isolation of the electrical parts of the sensor arrangement located in the second sensor section from the outside environment .
  • the tactile feedback comprehensive first sensor section can remain relatively unprotected exposed to the effects of the environment, since it can be configured largely insensitive. It is advantageous to accommodate it in a depression, because on the one hand improves the mechanical protection of the first sensor section and on the other hand allows a smoother design of the handle surface.
  • the deformable mechanical element with a stable and a metastable state which is also referred to as "crackpot frog" or “clicker”, is preferably a snap-action disc.
  • the snap-action disc is inexpensive and corresponds to a preferred circular shape of the user-operable closing sensor surface and is easily inserted into a circular recess of the wall.
  • the recess with the deformable mechanical element received therein is covered by a cover plate or cover membrane which permits force-displacement transfer from the operator's hand (finger) to the deformable element.
  • the recess is covered by the cover plate or cover membrane such that a substantially continuous outer surface is formed. The cover plate or cover membrane closes the recess flush, so that a flat or evenly curved outer contour is formed.
  • the moving component of the first sensor section may be arranged next to or on the deformable mechanical element, preferably also in the recess of the wall.
  • the moving component, the movement of which is detected by the second sensor section is a metal body, for example a flat metal plate, which is moved translationally, preferably perpendicular to the wall plane, during actuation, and the second sensor section comprises an inductive sensor ( inductive proximity sensor).
  • the inductive sensor detects (through the wall section) the (preferably translational) movement of the (preferably ferromagnetic) metal body, because the change in position of the metal body influences the magnetic field of a coil contained in the second sensor section and thus its inductance, resulting in a corresponding change of currents , Voltages, frequencies or time constants in a coupled to the coil evaluation is detected.
  • the magnetic field of the coil by means of a particular embodiment of the Coil windings and / or a coil core shaped and directed (in particular through the wall portion in the direction of the metal body) that a maximum influence can take place by a change in position of the metal body.
  • the metal body is, for example, directly connected to a surface which can be manually operated by the operator and is preferably surrounded by a protective layer of plastic for protection against corrosion.
  • the moving component whose movement is detected by the second sensor section comprises a permanent magnet and the second sensor section comprises a magnetic field sensor, preferably a Hall sensor.
  • the magnetic field sensor detects the (preferably translational) movement of the permanent magnet through the wall section, because the change in position alters the magnetic field penetrating the magnetic field sensor, which is detected by a change of currents or voltages in an evaluation electronics coupled to the magnetic field sensor.
  • the moving component whose movement is detected by the second sensor section is the deformable mechanical element itself or a part of this device. This has the advantage that the sudden deformation when switching to the metastable state represents a brief rapid movement that can be detected by a sensor regularly easier than a slow, steady movement.
  • the deformable mechanical element (as in the embodiment described above) comprises a metal body and the second sensor section comprises an inductive sensor, wherein a sudden transition caused by a manual action of force on the outside of the deformable mechanical element the metastable state leads to a sudden movement of the metal body and consequently to a pulse-shaped electrical output signal of the inductive sensor.
  • a snap-action disc used from a ferromagnetic material.
  • the magnetic field of the coil with the aid of a specific embodiment of the coil windings and / or a coil core is shaped and directed so that a maximum influence can take place by a change in position of the metal body.
  • the second sensor section has a mechano-electrical converter with a deformation body, which is positioned immediately behind the wall portion of the wall such that a force on the wall section to a deformation of the Wandungsabitess and the deformation body and a corresponding electrical output signal of the transducer leads.
  • the deformable mechanical element is disposed adjacent to the outwardly facing surface of the wall portion such that an abrupt transition to the metastable state caused by a manual application of force to an exterior of the deformable mechanical element results in a mechanical impact on the wall portion Deformation of the deformation body and an electrical output signal leads.
  • the mechano-electrical converter can be of a type which basically does not give haptic feedback to the operator via the actuator.
  • it may be a piezoelectric sensor, in which very small deformations lead to sufficient output voltages. The slight deformations of the piezoelectric sensor would not be felt by an operator.
  • the sensor may alternatively also be a piezo-resistive sensor or another sensor with a mechanical deformation body.
  • this sensor arrangement according to the invention has the advantage that even a relatively slow-running manual actuating movement is converted into a sudden mechanical deformation and this sudden mechanical deformation (shock) is transmitted to the deformation body of the mechano-electrical transducer, resulting in a more easily detectable electrical output pulse.
  • the mechano-electrical converter is a piezoelectric sensor. Piezoelectric sensors that are suitable for the sensor arrangement according to the invention can be made available relatively inexpensively.
  • a snap disk is arranged in a recess of the wall defining the wall section as a deformable mechanical element. This has the advantage that the wall portion is thinned and thus can transfer the sudden mechanical deformation better on the deformation body.
  • the wall portion is bounded by an annular thinning of the wall.
  • the annular thinning of the wall allows easier mobility of the wall section.
  • the limited by the annular thinning of the wall wall portion itself can also be thinned, so that a recess for receiving the snap disk is formed.
  • the mechano-electrical converter is mounted on a printed circuit board mounted in an interior behind the wall and rests against the wall section without a gap.
  • a printed circuit board mounted in an interior behind the wall and rests against the wall section without a gap.
  • an outer side of the deformation body of the sensor can be adhesively bonded to an inner surface of the wall section. Even a mere pressing of the deformation body to the inner surface of the Wandungsabitess is conceivable.
  • the interior is filled with a potting compound. This fixes the circuit board and the components applied thereto in the interior, for example in the interior of a motor vehicle outside door handle.
  • the door handle 1 has an inner wall 2 enclosing wall 3.
  • the wall 3 is shown as consisting of a homogeneous material.
  • the wall 3 may also be designed in a multi-layered manner, for example, a plastic base body of the door handle may be encapsulated with a further plastic layer.
  • a circuit board 5 is arranged, which in addition to various components of a control circuit (which are not shown) receives a piezoelectric sensor 6, which is soldered, for example, directly to the surface of the circuit board 5.
  • a piezoelectric sensor 6 which is soldered, for example, directly to the surface of the circuit board 5.
  • the interior brackets that fix the circuit board 5, as well as other commonly present in the interior components, such as electrodes for capacitive proximity sensors or induction coils for wireless communication with an electronic key (ID transmitter). Also not shown is a the interior 2-filling potting compound, which fixes the circuitry.
  • the piezoelectric sensor comprises a deformation body, which consists at least partially of a piezoelectric material, wherein a mechanical deformation (in particular deflection) leads to an output voltage to suitably arranged electrodes.
  • the electrodes are arranged so that they can be soldered to the circuit board 5 or contacted in any other way.
  • the piezoelectric sensor consists of a circular bending plate made of a piezoelectric material (piezoelectric ceramic), wherein the two electrodes contact the two opposite side of the circular disc and the printed circuit board 5 facing away from the electrode by means of a conductor track around the edge the piezoelectric ceramic disc is pulled around, so that the sensor 6 can be contacted on one side on the circuit board 5.
  • the piezoelectric sensor 6, d. H. its deformation body is arranged in the interior 2 behind a thinned portion 4 of the wall 3 such that a force on the outwardly facing surface of the wall portion 4 leads to a deformation of the deformation body of the sensor 6.
  • an outwardly facing surface of the sensor deformation body is directly adjacent to the wall section 4, wherein it may be pressed or glued to the wall section 4, for example.
  • the thinned wall portion 4 of the wall 3 is defined by a running in the wall 3 recess 7.
  • the recess 7 forms a receiving space for a snap disk 8, wherein the recess 7 is covered with the snap disk 8 contained therein by a cover plate 9.
  • the recess 7, the snap disc 8 and the cover plate 9 are coordinated in their dimensions to one another, that a manual pressure (force) on the outwardly facing surface of the cover plate 9 transmits directly to the snap disc 8 and the force resulting from a conventional finger pressure to a deformation of the snap disc 8 is sufficient so that it jumps into its metastable state.
  • the snap-action disc 8 acts on the outwardly facing surface of the wall section 4 in such a way that a mechanical impulse is transmitted to the deformation body of the sensor 6, so that the deformation provides an output pulse detectable for evaluation electronics.
  • the cover plate 9 is inserted into a correspondingly adapted receiving the wall 3 such that a continuous, continuous outer surface of the door handle 1 is formed.
  • the inner space 2 accommodating the printed circuit board 5 and the sensor 6 is completely enclosed by the wall 3, 4, so that a complete insulation of the electronic assemblies of the sensor arrangement is ensured.
  • the receiving space 7 for the snap-action disc 8 is also insulated from the interior 2 by the wall section 4.
  • the cover plate 9 could also be the door handle 1 completely enclosing further plastic layer applied, which spans a covering membrane over the recess 7.
  • the snap-action disc 8 could be replaced by any other snap-hook arrangement which need not be of a circular shape. It is merely essential that the forces which normally arise during a finger pressure and which are transmitted through the cover membrane or cover plate 9 suffice to cause the snap frog element to jump from the stable (resting) state into the metastable state. In addition, it is preferred that this sudden mechanical deformation of the cracked frog is transmitted as a mechanical pulse through the wall section 4 to a deformation body of a sensor 6 and that the mechanical pulse acting there is sufficiently large to an evaluable and clearly distinguishable from disturbing output signal produce.
  • piezoelectric sensor 6 instead of the piezoelectric sensor 6, another mechano-electrical converter could be used in which a mechanical deformation body is present, wherein the deformation of the deformation body, for example, to a detuning of a bridge circuit of piezo-resistive resistors or to a change in the distance between two electrodes a capacitive sensor leads.

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  • Lock And Its Accessories (AREA)
EP09152594.9A 2008-02-11 2009-02-11 Poignée de véhicule automobile avec agencement de capteur pouvant être actionné manuellement dans sa paroie Not-in-force EP2088267B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008000273A DE102008000273A1 (de) 2008-02-11 2008-02-11 Sensoranordnung mit einem mechano-elektrischen Wandler und einem darauf einwirkenden deformierbaren mechanischen Element mit einem matastabilen Zustand

Publications (3)

Publication Number Publication Date
EP2088267A2 true EP2088267A2 (fr) 2009-08-12
EP2088267A3 EP2088267A3 (fr) 2011-08-03
EP2088267B1 EP2088267B1 (fr) 2017-08-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP09152594.9A Not-in-force EP2088267B1 (fr) 2008-02-11 2009-02-11 Poignée de véhicule automobile avec agencement de capteur pouvant être actionné manuellement dans sa paroie

Country Status (2)

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EP (1) EP2088267B1 (fr)
DE (1) DE102008000273A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140367975A1 (en) * 2013-06-12 2014-12-18 James Sanborn Door Handle Arrangement For Vehicles
EP3054069A1 (fr) * 2015-02-06 2016-08-10 Huf Hülsbeck & Fürst GmbH & Co. KG Système de poignée de porte de véhicule
FR3038642A1 (fr) * 2015-07-08 2017-01-13 Continental Automotive France Dispositif de detection d'intention de verrouillage ou de deverrouillage d'une portiere de vehicule automobile par un utilisateur
WO2018162108A1 (fr) * 2017-03-09 2018-09-13 Huf Hülsbeck & Fürst Gmbh & Co. Kg Module d'actionnement pour une poignée de porte
EP3734002A1 (fr) * 2019-05-02 2020-11-04 Witte Automotive GmbH Mécanisme de déverrouillage et/ou d'ouverture de porte doté d'un dispositif actionneur
JP2021505797A (ja) * 2017-12-05 2021-02-18 エイディーエイシー・プラスティックス・インコーポレーテッド 動力車両のためのドアハンドル組立体
CN112543837A (zh) * 2018-05-28 2021-03-23 纬湃科技有限责任公司 利用杠杆臂上的靶通过感应来检测锁定机动车门的意图的装置
EP3322869B1 (fr) * 2015-07-13 2023-12-06 Huf Hülsbeck & Fürst GmbH & Co. KG Poignée extérieure de porte pour véhicule

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Publication number Priority date Publication date Assignee Title
DE102011106051B4 (de) * 2011-06-30 2015-03-19 Audi Ag Bedienelement
DE102019104677B4 (de) * 2019-02-25 2022-08-04 Ifm Electronic Gmbh Kraftfahrzeugtürgriff mit einem Kraftsensor

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EP1510637A1 (fr) 2003-09-01 2005-03-02 Kiekert Aktiengesellschaft Dispositif d'actionnement pour le systéme de verrouillage d'un véhicule automobile et procede pour indiquer les états de fonctionnements
EP1589167A2 (fr) 2004-04-19 2005-10-26 Aisin Seiki Kabushiki Kaisha Poignée de porte véhicule

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DE102006010811B4 (de) * 2006-03-07 2018-03-01 Huf Hülsbeck & Fürst Gmbh & Co. Kg Schaltelement und Betätigungsvorrichtung damit sowie Türgriff mit dieser Betätigungsvorrichtung

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DE19805659C1 (de) 1998-02-12 1999-03-18 Bosch Gmbh Robert Vorrichtung zum Auslösen einer Berechtigungsabfrage für ein Fahrzeug
DE10255439A1 (de) 2002-11-28 2004-06-17 Daimlerchrysler Ag Griffanordnung für eine Fahrzeugtür
EP1510637A1 (fr) 2003-09-01 2005-03-02 Kiekert Aktiengesellschaft Dispositif d'actionnement pour le systéme de verrouillage d'un véhicule automobile et procede pour indiquer les états de fonctionnements
EP1589167A2 (fr) 2004-04-19 2005-10-26 Aisin Seiki Kabushiki Kaisha Poignée de porte véhicule

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140367975A1 (en) * 2013-06-12 2014-12-18 James Sanborn Door Handle Arrangement For Vehicles
US9353557B2 (en) * 2013-06-12 2016-05-31 Huf North America Automotive Parts Manufacturing Corp. Door handle arrangement for vehicles
EP3054069A1 (fr) * 2015-02-06 2016-08-10 Huf Hülsbeck & Fürst GmbH & Co. KG Système de poignée de porte de véhicule
US9995065B2 (en) 2015-02-06 2018-06-12 Huf Huelsbeck & Fuerst Gmbh & Co. Kg Door handle assembly for a motor vehicle
FR3038642A1 (fr) * 2015-07-08 2017-01-13 Continental Automotive France Dispositif de detection d'intention de verrouillage ou de deverrouillage d'une portiere de vehicule automobile par un utilisateur
US10428562B2 (en) 2015-07-08 2019-10-01 Continental Automotive France Device for detecting a user's intention to lock or unlock a motor vehicle door
EP3322869B1 (fr) * 2015-07-13 2023-12-06 Huf Hülsbeck & Fürst GmbH & Co. KG Poignée extérieure de porte pour véhicule
WO2018162108A1 (fr) * 2017-03-09 2018-09-13 Huf Hülsbeck & Fürst Gmbh & Co. Kg Module d'actionnement pour une poignée de porte
JP2021505797A (ja) * 2017-12-05 2021-02-18 エイディーエイシー・プラスティックス・インコーポレーテッド 動力車両のためのドアハンドル組立体
US11441341B2 (en) 2017-12-05 2022-09-13 Adac Plastics, Inc. Door handle assembly for a motor vehicle
CN115419334A (zh) * 2017-12-05 2022-12-02 Adac塑模公司 用于机动车辆的门手柄组件
CN115419334B (zh) * 2017-12-05 2024-03-26 Adac塑模公司 用于机动车辆的门手柄组件
CN112543837A (zh) * 2018-05-28 2021-03-23 纬湃科技有限责任公司 利用杠杆臂上的靶通过感应来检测锁定机动车门的意图的装置
US20210238897A1 (en) * 2018-05-28 2021-08-05 Vitesco Technologies GmbH Device for detecting by induction an intention to lock a motor vehicle door with a target on a lever arm
CN112543837B (zh) * 2018-05-28 2022-01-25 纬湃科技有限责任公司 利用杠杆臂上的靶通过感应来检测锁定机动车门的意图的装置
US12000181B2 (en) 2018-05-28 2024-06-04 Vitesco Technologies GmbH Device for detecting by induction an intention to lock a motor vehicle door with a target on a lever arm
EP3734002A1 (fr) * 2019-05-02 2020-11-04 Witte Automotive GmbH Mécanisme de déverrouillage et/ou d'ouverture de porte doté d'un dispositif actionneur
EP4258312A3 (fr) * 2019-05-02 2024-01-24 Witte Automotive GmbH Mécanisme de déverrouillage de porte et/ou d'ouverture de porte doté d'un dispositif d'actionnement
US11946293B2 (en) 2019-05-02 2024-04-02 Witte Automotive Gmbh Door unlocking and/or door opening mechanism comprising an actuating device

Also Published As

Publication number Publication date
DE102008000273A1 (de) 2009-08-13
EP2088267B1 (fr) 2017-08-16
EP2088267A3 (fr) 2011-08-03

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