EP2697457B1 - Poignée de porte pour véhicule automobile - Google Patents

Poignée de porte pour véhicule automobile Download PDF

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Publication number
EP2697457B1
EP2697457B1 EP12715681.8A EP12715681A EP2697457B1 EP 2697457 B1 EP2697457 B1 EP 2697457B1 EP 12715681 A EP12715681 A EP 12715681A EP 2697457 B1 EP2697457 B1 EP 2697457B1
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EP
European Patent Office
Prior art keywords
sensor electrode
vehicle door
door handle
electronic module
section
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
EP12715681.8A
Other languages
German (de)
English (en)
Other versions
EP2697457A1 (fr
Inventor
Sebastian RAULIN
Stefan Neuhoff
Yong Sang CHO
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 EP2697457A1 publication Critical patent/EP2697457A1/fr
Application granted granted Critical
Publication of EP2697457B1 publication Critical patent/EP2697457B1/fr
Active legal-status Critical Current
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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
    • 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
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/57—Operators with knobs or handles

Definitions

  • the invention relates to a motor vehicle door handle having a wall enclosing at least one cavity and a handle region, wherein the wall has an inwardly facing wall section which includes an engagement space with a door associated with the motor vehicle door handle and an outwardly facing wall section, one in the at least one cavity arranged electronic module, wherein the electronic module comprises at least one electronic assembly and this fully envelopes, and having a first sensor electrode of a first capacitive sensor for triggering an unlocking upon detecting an approach to the engagement space, wherein the sensor electrode is electrically connected to the electronic assembly, wherein the sensor electrode partially is led out of the electronic module, wherein the led out part of the sensor electrode has a portion adjacent to the inwardly facing wall portion in the Kra Fork door handle is arranged, in such a way that an approach to the engagement space can be detected.
  • the electronic module is designed such that it extends over almost the entire length of the inwardly facing wall portion, ie along the entire grip portion of the motor vehicle door handle.
  • a first sensor electrode is disposed adjacent to the inwardly facing wall portion to allow detection of an approach to the engagement space.
  • this first sensor electrode, and thus the electronics module extends over almost the entire length of the grip region.
  • the sensor electrode is to be adapted to the handle shape as such, since the sensor electrode is arranged in a cavity of the handle or the handle itself. It is thus vorzuhalten for each handle type a special sensor electrode to allow installation in the different cavities / handle shapes. At the same time, the sensor electrode must be protected against the effects of weather, since it is led out of the protective electronics module.
  • the first sensor electrode is partially led out of the electronic module, wherein the lead-out part of the sensor electrode has a portion which is disposed adjacent to the inwardly facing wall portion in the motor vehicle door handle, in such a way that an approximation the engagement space can be detected.
  • the sensor electrode is not fully arranged in the electronic module, but a part of the sensor electrode is led out of the electronic module for positioning in the motor vehicle door handle.
  • the positioning of the electronic module in the motor vehicle door handle is flexible, ie, the electronic module need not be disposed adjacent to the inwardly facing wall section in the motor vehicle door handle to approach to be able to detect at the engagement space, since the led out of the electronic module part of the first sensor electrode performs this task.
  • the executed part of the first sensor electrode expands the effective range of the capacitive sensor from the electronic module, so that the effective area of the first capacitive sensor can be maintained with a corresponding arrangement of the lead-out portion of the sensor electrode over the entire handle length of the motor vehicle door handle, so that the ease of use is not limited is, although the flexibility in terms of design and arrangement of the electronic module is greatly increased.
  • the motor vehicle door handle is characterized in that the part of the first sensor electrode led out of the electronic module is furthermore at least partially flexible and is fed back as a loop into the electronic module.
  • a suitably designed motor vehicle door handle is particularly flexible with regard to the positioning of the electronic module in the motor vehicle door handle, since the lead-out parts of the first and / or the second sensor electrode can be arranged in adaptation to the shape of the motor vehicle door handle.
  • the led out of the electronic module part of the first sensor module and / or the second sensor module is fed back as a loop in the electronic module and is connected in this with the electronic module.
  • the electronics assembly in the electronics module includes u. a. a printed circuit board on which components of a transmitter are arranged, which evaluates the signals detected by the first electrode and forwards them to a control unit in, for example, the motor vehicle door.
  • a standard electronic module can be used, which can also be used in other types of motor vehicle door handles, whereby reduce the production costs for the motor vehicle door handle, since not for each special motor vehicle door handle own electronics module is to be manufactured.
  • the lead out and arrangement of part of the first sensor electrode of the motor vehicle door handle according to the invention also makes it possible to carry out the electronic module as such considerably smaller, which contributes to a reduction in the production cost of the entire motor vehicle door handle.
  • the motor vehicle door handle according to the invention may comprise a second sensor, and in particular a second capacitive sensor with a second sensor electrode, for triggering a locking operation, wherein the second sensor is electrically connected to the electronic assembly.
  • a capacitive sensor at least a portion of the second sensor electrode of the sensor is arranged adjacent to the outwardly facing wall section, in such a way that an approximation to a part of the wall section assigned to the section of the second sensor electrode can be detected.
  • the term "outwardly facing wall portion" should not be limited in the context of this application to the wall portion of the vehicle door handle, which is substantially opposite the inwardly facing wall portion, which forms an engagement space with the motor door handle associated door, opposite.
  • the term should also extend to the upwardly and downwardly facing areas of the motor vehicle door handle, so that the portion of the second sensor electrode can also be arranged in the upper or lower region of the power door handle, in such a way that an approach to a section associated with the point "from below” and "from above” can be detected.
  • the electronic module in the electronic module also comprises the evaluation electronics for detecting the locking.
  • the second sensor electrode is fully disposed in the electronics module, and the cavity is formed adjacent to the outward facing wall portion in the vehicle door handle, and the electronics module is at the outwardly facing wall portion arranged, wherein the portion of the second sensor electrode is arranged in the electronic module, that an approach to a portion of the second sensor electrode associated point can be detected in the outwardly facing wall portion.
  • the motor vehicle door handle requires the design of the electronic module and its arrangement, so that the positioning of the electronic module within the motor vehicle door handle ensures the desired positioning of at least a portion of the second sensor electrode.
  • the arrangement of the second sensor electrode within the electronic module protects it from environmental influences and ensures a decoupling with respect to the first sensor electrode.
  • the motor vehicle door handle with two sensors it may comprise a cavity arranged at or adjacent to the inwardly directed wall section, which is connected to the first cavity and in which the section of the first sensor electrode is arranged first sensor electrode is performed such that an approach to the engagement space can be detected.
  • the provision of a second cavity ensures a spatial separation of the electronic module and the part of the first sensor electrode led out of the electronic module, as a result of which the decoupling of the two sensor electrodes is improved.
  • the corresponding cavities can also be made smaller, which contributes to an increase in the stability of the motor vehicle door handle and leaves more room for further modules.
  • the second sensor electrode may be partially led out of the electronic module, wherein the led out part of the second sensor electrode has a portion which is adjacent to the outwardly facing wall portion, such that an approximation to the assigned in the portion of the sensor electrode body of Wandungsabiteses can be detected.
  • both a portion of the first and the second sensor electrode from the electronic module led out which further increases the flexibility with regard to the arrangement of the electronic module in the motor vehicle door handle.
  • the part of the second sensor electrode led out of the electronic module is made flexible at least in sections.
  • a suitably designed motor vehicle door handle is particularly flexible with regard to the positioning of the electronic module in the motor vehicle door handle, since the lead-out parts of the first and the second sensor electrode can be arranged in adaptation to the shape of the motor vehicle door handle.
  • the flexible, led out of the electronic module part of the second sensor electrode may for example be a simple possibly sheathed wire. However, it is preferred that the led out of the electronic module part of the second sensor module is fed back as a loop in the electronic module and is connected in this with the electronic module. This has the advantage that the led out part of the second sensor electrode has no "open" end and thus no further measures are necessary to protect the lead-out part of the second sensor electrode against environmental influences.
  • the electronic module enclosing the electronic module can, for example, be embodied such that it is provided by an encapsulation or encapsulation of the electronic module.
  • Such a provision of the electronic module is expensive to manufacture, since the electronic assembly is to be introduced into a corresponding shape before it is encapsulated or encapsulated.
  • the electronics module preferably on one end face, is insertable into the electronic module, ie the electronic module is provided as a type of container into which the electronic module can be inserted.
  • This has the advantage that a standard container can be used, in which, depending on the requirements of, for example, the sensors for unlocking and locking, different Electronic assemblies can be introduced.
  • the interior of the container of the electronic module is filled with a potting compound which protects the electronic module against environmental influences and in the container fixed.
  • FIG. 1 shows a schematic sectional view of an embodiment of a motor vehicle door handle 1 with a handle portion 2, a handle hook portion 22 and a pivoting portion 23.
  • the wall of the motor vehicle door handle 1 encloses in the in FIG. 1 shown embodiment, a cavity 3, wherein for the sake of simplicity, the cavity 3 in the embodiment shown spatially not defined in detail.
  • conventional components of a motor vehicle door handle which are not essential to the present invention, have been omitted in the merely schematic representations of the various embodiments of a motor vehicle door handle for the sake of clarity.
  • the wall of the motor vehicle door handle 1 comprises a wall section 20b which is connected to a door associated with the motor vehicle door handle 1, which in FIG FIG. 1 is indicated by a dashed line, includes an engagement space 8, and an outwardly facing wall portion 20 a.
  • an electronic module 4 is arranged, which comprises at least one electronic module 5, wherein the electronic module 5 is completely enveloped by the electronic module 4, so that the electronic module 4 protects the electronic module 5 against environmental influences.
  • the electronic module 4 is designed as a kind of container.
  • the electronics module may be provided by overmolding or overmolding the electronics package 5.
  • the illustrated embodiment of the motor vehicle door handle further comprises a first sensor electrode 6 of a first capacitive sensor for triggering an unlocking operation upon detecting an approach to the engagement space 8. This sensor electrode 6 is electrically connected to the electronic assembly 5.
  • a portion of the sensor electrode extends in the electronic module 4, but the greater part of the sensor electrode 6 is led out of the electronic module 4, and a portion 7 of the lead-out part is arranged in the region of the wall portion 20 b, so that through this portion 7 an approach of an operator can be detected on the engagement space 8.
  • the arrangement of the electronic module 4 in the cavity 3 of the motor vehicle door handle 1 is not essential in the illustrated embodiment; on the other hand, the arrangement of the section 7 along or adjacent to the wall section 20b is important since the corresponding arrangement makes it possible to detect an approach. In order to keep operating convenience as high as possible, section 7 of first sensor electrode 6 is arranged essentially along the entire wall section 20b of the engagement region.
  • the electronics module 5 comprises, inter alia, a printed circuit board with components of an evaluation circuit of the first capacitive sensor.
  • FIGS. 2A to 2D show schematic sectional partial views of various embodiments of a motor vehicle door handle.
  • the electronic module 4 is arranged in the vicinity or adjacent to the wall section 20b.
  • the first sensor electrode 6 comprises a portion 7 ', which corresponds to the in FIG. 1 shown embodiment along the wall portion 20b of the handle portion 2 is arranged.
  • the first sensor electrode 6 comprises a further section 7 ", which is arranged inside the electronic module 4, specifically below the electronic subassembly 5.
  • Such an embodiment has the advantage that an approach can also be detected in the area of the electronic module 4 itself.
  • the electronic module 4 comprises a second capacitive sensor with a second sensor electrode 10 for triggering a locking operation.
  • the second capacitive sensor is completely contained in the electronic assembly 4, ie, the second sensor electrode 10 is fully contained in the electronic module 4 and not led out of this.
  • the second sensor electrode 10 includes a portion 11 which is disposed adjacent to the upper wall of the electronic module 4, and this in turn is adjacent to the wall portion 20 a of the wall of the motor vehicle door handle arranged so that over the portion 11 of the sensor electrode 10, an approach to the Section 11 associated part 13 of the wall portion 20a can be detected.
  • the portion 11 of the second sensor electrode acts only locally on the portion 1 of the wall portion 20 a associated with the portion 1.
  • the first sensor electrode 7 does not comprise a section arranged below the electronics assembly 5, so that the section 7 of the sensor electrode in the cavity 3 of the motor vehicle door handle 1 is arranged slightly differently in order to ensure detection over the entire length of the wall section 20b.
  • a part of the second sensor electrode 10 is led out of the electronic module 4. Due to the task of the second sensor electrode, namely the detection of an approach to a part of the outer wall or of the wall section 20a, a section 11 of the second sensor electrode is arranged adjacent to a part 13 of the wall section 20a.
  • the first sensor electrode 6 of the first capacitive sensor comprises in the in Figure 2C shown embodiment, in turn, two sections 7 'and 7 ", wherein the portion 7" is disposed below the electronics assembly.
  • the electronic module 4 is arranged at the wall section 20b, that is, the wall section facing the engagement space 8.
  • the electronic assembly 4 again comprises a first and a second capacitive sensor, wherein the second capacitive sensor is completely contained in the electronic module 4, so that an arrangement of the electronic module 4 on the wall portion 20a is required.
  • the electronic module 4 is arranged in the first cavity 3.
  • the motor vehicle door handle 1 according to the embodiment shown comprises a second cavity 14, which is connected to the first cavity 3, and in the second cavity 14, the portion 11 of the first sensor electrode 6 is arranged and provides for detecting an approach to the engagement space 8. Die Spatial separation of the sections 11 and 7 of the first and second sensor electrode requires a particularly good decoupling of the two electrode sections.
  • FIG. 3A shows a schematic representation of the underside of the electronic assembly 5 of an embodiment of the invention.
  • a portion 7 "of the first sensor electrode 6 is attached to the underside of the electronics assembly 5.
  • a second portion 7 ' is led away from the electronics assembly 5 and would protrude therefrom in the event that the electronic assembly 5 shown is inserted in an electronics module 4.
  • the section 7 ' is formed in the embodiment shown as a loop, ie, the section 7' is to the electronic assembly 5 returned.
  • the electronic assembly 5 further comprises four leads 21, which provide for a voltage supply and signal transmission to the interior of the motor vehicle.
  • the region 7 'of the first sensor electrode is designed as a sheet, this having two holding means 24 with which the portion 7' of the first sensor electrode can be fixed in the motor vehicle door handle.
  • the holding means 24 are designed as openings in the section 7 '.
  • FIG. 4A shows a side view of an electronic assembly 5 of another embodiment of the motor vehicle door handle according to the invention.
  • a first sensor electrode 6 Connected to the electronic assembly 5 is a first sensor electrode 6 with a section 7, which detects an approach to the engagement space 8 when the electronic assembly 5 is installed.
  • a second first electrode 6 ' is arranged, which is not in direct electrical connection with the first electrode 6, that is, the sensor electrode 6' is part of another capacitive sensor.
  • the electronic module 4 is to be arranged adjacent to the outer wall section 20b.
  • the evaluation of the signals detected at the first electrodes 6 'and 6 can be carried out in the same or separate evaluation circuits.
  • the execution of the first electrode that is, the electrode that detects an approach to the engagement space 8, as a double or double first electrode requires some redundancy with respect to a detection of the engagement space 8, ie in case of failure of the first electrode 6, an approximation over the first electrode 6 'are detected, although in such a case the ease of use is significantly reduced.
  • the FIG. 4B shows a side view of an electronic module 4, in which the electronic assembly 5 is inserted.
  • the first electrode 6 with the detection section 7 is designed as a loop and a part of this first electrode 6 is led out of the module.
  • the electronics module 5 is also four Lead wires 21 are connected, which provide a power supply to the electronic assembly and transmit control signals to the interior of the motor vehicle door handle or the motor vehicle.
  • the electronic module comprises a container open to an end face in which the electronic assembly 5 is inserted. To protect the electronic assembly more effectively against environmental influences, the container may be filled with a potting compound.

Landscapes

  • Lock And Its Accessories (AREA)

Claims (6)

  1. Poignée de portière (1) d'un véhicule automobile, avec une paroi entourant au moins une cavité (3) et une zone de préhension (2), la paroi comportant une portion de paroi (20b) dirigée vers l'intérieur, qui avec une portière associée à la poignée de portière (1) d'un véhicule automobile inclut un espace d'engagement (8) et une portion de paroi (20a) dirigée vers l'extérieur,
    un module électronique (4) placé dans l'au moins une cavité (3), le module électronique (4) comprenant au moins un ensemble électronique (5) et enveloppant ce dernier sur toute sa périphérie,
    une première électrode de capteur (6) d'un premier capteur capacitif, destinée à déclencher un processus de déverrouillage lors de la détection d'une approche de l'espace d'engagement (8), l'électrode de capteur (6) étant électriquement connectée avec l'ensemble électronique (5),
    la première électrode de capteur (6) étant conduite en partie hors du module électronique (4), la partie conduite vers l'extérieur de l'électrode de capteur (6) comportant une portion (7) qui est placée au voisinage de la portion de paroi (20b) dirigée vers l'intérieur dans la poignée de portière (1) d'un véhicule automobile et à savoir de telle sorte qu'une approche de l'espace d'engagement (8) puisse être détectée,
    caractérisée en ce que la partie de la première électrode de capteur (6) qui est conduite hors du module électronique (4) est au moins souple par endroits et est ramenée en boucle dans le module électronique (4).
  2. Poignée de portière (1) d'un véhicule automobile selon la revendication 1, caractérisée en ce que la poignée de portière (1) d'un véhicule automobile comprend un deuxième capteur capacitif avec une deuxième électrode de capteur (10), destinée à déclencher un processus de verrouillage, la deuxième électrode de capteur (10) étant électriquement connectée avec l'ensemble électronique (5) et au moins une portion (11) de la deuxième électrode de capteur (10) étant placée au voisinage de la portion de paroi (20a) dirigée vers l'extérieur et à savoir de telle sorte qu'une approche d'un endroit (13) de la portion de paroi (20a) associé à la portion (11) de la deuxième électrode de capteur (10) puisse être détectée.
  3. Poignée de portière (1) d'un véhicule automobile selon la revendication 2, caractérisée en ce que la deuxième électrode de capteur (10) est entièrement placée dans le module électronique (4)
    et en ce que la cavité (3) est conçue au voisinage de la portion de paroi (20a) dirigée vers l'extérieur dans la poignée de portière (1) d'un véhicule automobile et le module électronique (4) est placé près de la portion de paroi (20a) dirigée vers l'extérieur,
    la portion (11) de la deuxième électrode de capteur (10) étant placée dans le module électronique (4) de telle sorte qu'une approche d'un endroit (13) associé à la portion (11) de la deuxième électrode de capteur (10) puisse être détectée sur la portion de paroi (20a) dirigée vers l'extérieur.
  4. Poignée de portière (1) d'un véhicule automobile selon la revendication 3, caractérisée en ce que la poignée de portière (1) d'un véhicule automobile comprend une deuxième cavité (14) placée au voisinage ou près de la portion de paroi (20b) dirigée vers l'extérieur qui est reliée avec la première cavité (3) et dans laquelle est placée la portion (7) de la première électrode de capteur (6) et à savoir de telle sorte qu'une approche de l'espace d'engagement (8) puisse être détectée.
  5. Poignée de portière (1) d'un véhicule automobile selon la revendication 2, caractérisée en ce que la deuxième électrode de capteur (10) est conduite en partie hors du module électronique (4), la partie conduite vers l'extérieur de la deuxième électrode de capteur (10) comportant une portion (11) qui est placée au voisinage de la portion de paroi (20a) dirigée vers l'extérieur et à savoir de telle sorte qu'une approche de l'endroit (13) de la portion de paroi (20a) qui est associée à la portion (11) de l'électrode de capteur (10) puisse être détectée.
  6. Poignée de portière (1) d'un véhicule automobile selon l'une quelconque des revendications 1 à 5, caractérisée en ce que l'ensemble électronique (5) est insérable de préférence sur une face frontale dans le module électronique (4).
EP12715681.8A 2011-04-15 2012-04-12 Poignée de porte pour véhicule automobile Active EP2697457B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110002105 DE102011002105A1 (de) 2011-04-15 2011-04-15 Kraftfahrzeugtürgriff
PCT/EP2012/056671 WO2012140137A1 (fr) 2011-04-15 2012-04-12 Poignée de porte pour véhicule automobile

Publications (2)

Publication Number Publication Date
EP2697457A1 EP2697457A1 (fr) 2014-02-19
EP2697457B1 true EP2697457B1 (fr) 2017-01-11

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Application Number Title Priority Date Filing Date
EP12715681.8A Active EP2697457B1 (fr) 2011-04-15 2012-04-12 Poignée de porte pour véhicule automobile

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Country Link
US (1) US20140246873A1 (fr)
EP (1) EP2697457B1 (fr)
CN (1) CN103492652A (fr)
DE (1) DE102011002105A1 (fr)
WO (1) WO2012140137A1 (fr)

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CN103492652A (zh) 2014-01-01
EP2697457A1 (fr) 2014-02-19
US20140246873A1 (en) 2014-09-04
WO2012140137A1 (fr) 2012-10-18
DE102011002105A1 (de) 2012-10-18

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