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EP1428961B1 - Concept de mise en contact pour une poignée de porte extérieure - Google Patents

Concept de mise en contact pour une poignée de porte extérieure Download PDF

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Publication number
EP1428961B1
EP1428961B1 EP03028067.1A EP03028067A EP1428961B1 EP 1428961 B1 EP1428961 B1 EP 1428961B1 EP 03028067 A EP03028067 A EP 03028067A EP 1428961 B1 EP1428961 B1 EP 1428961B1
Authority
EP
European Patent Office
Prior art keywords
handle
component
conductor
motor vehicle
vehicle door
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.)
Expired - Lifetime
Application number
EP03028067.1A
Other languages
German (de)
English (en)
Other versions
EP1428961A2 (fr
EP1428961A3 (fr
Inventor
Markus Bartels
Bernd Gerdes
Klaus Kulik
Iko Lindic
Michael Müller
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 EP1428961A2 publication Critical patent/EP1428961A2/fr
Publication of EP1428961A3 publication Critical patent/EP1428961A3/fr
Application granted granted Critical
Publication of EP1428961B1 publication Critical patent/EP1428961B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Definitions

  • the invention relates to a method for the electrical contacting of at least one surface electrically conductive component of a handle of a motor vehicle door in motor vehicles in the course of their assembly.
  • EP 1 235 190 A1 the use of shielding to selectively affect effective ranges of individual capacitive sensors in the range of a handle. That is, it is about to specify the outgoing of the respective sensors electric fields in terms of their extent and direction in the desired sense.
  • the prerequisite for the exact function of the shielding device is always the electrical connection to ground, wherein the aforementioned prior publication in turn does not reveal details.
  • WO 99/19585 A1 an attachment / mounting part in a motor vehicle, which is designed as a handle or part thereof.
  • the handle has a cover or cover shell, which may be, for example, chrome-plated, that is, it has an electrically conductive surface. Consequently, the cover shell is able to perform the function of an electrode of a capacitive sensor, this capacitive sensor operates as a proximity sensor and is used in conjunction with a keyless entry system to sense approaches of an operator willing to enter, so a keyless question-answer dialogue can take place.
  • This dialogue is - as mentioned - initiated by the respective proximity sensor and checks data of a transponder entrained by the operator, which constitute his authorization to open the relevant motor vehicle.
  • the invention is based on the technical problem of a method for electrical contacting of the surface specify electrically conductive component of a handle of a motor vehicle door in the course of their assembly, in which with minimal effort a perfect electrical connection is achieved, even if the component in question is subjected to movements during operation.
  • a suitably designed attachment / installation part is to be created.
  • the invention is a method for electrically contacting at least one surface electrically conductive component of a handle of a motor vehicle door in motor vehicles in the course of their assembly, after which the respective component of the handle with the interposition of an electrically conductive adhesive with a contact point of a conductor Motor vehicle electrics / electronics is connected.
  • the component may preferably consist of plastic and has an electrically conductive surface. This can be accomplished by metallizing the plastic surface, chrome plating or the like known approaches. In addition, it is also possible, the plastic by introduced materials such. As metal particles or graphite to make conductive overall. For example, it may be the plastic to polyamide, which is relatively viscous and is equipped either continuously or only near the surface with a corresponding graphite content in order to represent the required electrically conductive surface can.
  • the component in question is made entirely of a conductive material such as the previously described plastic with embedded conductive particles.
  • the component may consist entirely of metal, both variants also have a surface electrically conductive design.
  • the component has, in addition to its conductive surface, additional conductors in its interior.
  • metallized plastic components As a rule, these are components of a handle on a motor vehicle door, for example, individual parts of an outside door handle.
  • design elements such as moldings, cover shells, panels, etc., which - as in the WO 02/33202 A1 described - a contact with the automotive electrical / electronics require.
  • design elements may be grounded.
  • the proximity sensor is usually used to initiate a keyless entry query. With the help of a touch sensor, for example, all vehicle door locks can be lock.
  • the component may also take over the mode of action of an electrical shielding device. Then you will connect the relevant component usually with the ground potential or vehicle ground.
  • an electrically conductive connecting member may be interposed between the adhesive and the contact point of the conductor.
  • This connecting element may be one or more lugs fixing the conductor at the contact point.
  • This tab thus assumes a dual function. On the one hand it fixes the end of the conductor with the contact point, for example on the motor vehicle door or the handle or an associated base body or a profile body.
  • the tab carries the adhesive and this may have a recess, a corrugation, etc., so that the usually drop-shaped with the aid of a gun applied hot glue occupies a unique position with respect to the tab.
  • an electrically conductive adhesive may be a polyamide resin-based adhesive used, which contains silver, as in the context of DE 697 02 218 T2 is described.
  • acrylate-based adhesives are also conceivable that with a conductive filler such.
  • graphite or silver are equipped.
  • polyisobutylene may find use as a chemical basis polyisobutylene, again provide the fillers graphite and / or silver for the required low electrical resistance. All electrically conductive adhesives have in common that they cure at room temperature in the hour range and have at elevated temperature on the other hand, a reduced curing time in the minute range.
  • the specific resistance in ohms x cm is low and is well below 100 ohms x cm, usually even below 10 ohms x cm, so that impairments of the flow of current from the conductor to the on / built-in component and back do not occur.
  • the invention proposes to immerse the web into a tray filled with the adhesive during assembly of the component of a motor vehicle door handle.
  • a boom or other part l of the component can be positioned in the tub filled with adhesive.
  • Also in the tub is regularly at least one leg of the tab, while another leg of the tab holds the conductor at the contact point. Consequently, there is a continuous flow of current from the component via the web through the adhesive in the tub, the leg located in the trough of the tab further on the leg of the tab clamping the conductor towards the head and the motor vehicle electrics / electronics.
  • the conductor may advantageously be a conductor foil, that is to say a plastic foil with applied conductor tracks. This is not mandatory.
  • the invention is also a motor vehicle door handle, as described in claim 6.
  • Advantageous embodiments of this handle are the subject of claims 7 and 8.
  • the theory of the invention is essentially based on an intermediate electrically conductive adhesive, which ensures due to its permanent elasticity and curing ability for a proper definition of Bestanteils on the handle of a motor vehicle door, at the same time operational vibration and vibration are absorbed without the electrical connection in any way suffers.
  • the optional tab which fixes the conductor at the contact point contributes to this, as it also absorbs and positions the adhesive correctly.
  • a well filled with the adhesive pan may be used, which ensures even greater reliability.
  • the main benefits are the main benefits.
  • a door handle assembly for a motor vehicle door can be seen, which has in its basic structure via a handle 1 and arranged in the handle 1 ladder 2.
  • the conductor 2 is embodied as a conductor arrangement 2-that is, a summary of a plurality of conductor or conductor foil 2. This is not mandatory.
  • the conductor arrangement 2 is completely or partially held by a profile body 3.
  • the handle 1 is an external handle on a motor vehicle door, which is designed as a pull handle and has a bearing projection 4 as a fulcrum for this purpose.
  • the connection to the motor vehicle door is designed similar, as in the EP 1 067 257 A1 described.
  • the door handle assembly has in the context of the embodiment of a cover shell 1 b, which the Function of the component 1b takes over.
  • the conductor arrangement 2 embodied as a conductor foil 2 at least partially wraps around the profile body 3 and forms with it a unit 2, 3 which can be inserted into a recess 5 in the handle 1.
  • the conductor arrangement 2 or printed circuit film 2 wraps around the profile body 3 along its longitudinal sides 3a, 3b in a U-shape. In this way, both a front side 3a of the profile body 3 and a rear side 3b of the profile body 3 are completely or partially occupied by the conductor arrangement 2 or the conductor foil 2.
  • Fig. 1 indicated recesses 6 in the profile body or base body 3 ensure that located on the conductor foil 2 electrical / electronic components 7, 8 are incorporated herein. In fact, these components 7, 8 are each on the profile body 3 facing surface of the conductor foil 2, so that they automatically find space in the associated recesses 6 of the profile body 3.
  • the electrical / electronic components 7, 8 are, inter alia, Hall sensors 7, which respond as soon as a person in question operates the handle 1 or the door handle according to the exemplary embodiment in the direction of the arrow Fig. 1 draws.
  • the appealing ones Hall sensors 7 ensure that individual or all motor vehicle door locks, not shown, are actuated in the sense of an electrical opening. At the same time belonging to the handle 1 motor vehicle door may be issued.
  • the other components 8 include microcontroller, a transmitting / receiving device or antenna, capacitors, resistors, coils, etc .. These all components 7, 8 find their one-to-one assignment on the conductor foil 2, because corresponding punch holes ensure their inclusion. Soldering or other electrical connections contact the components 7, 8 with conductor tracks located on the conductor foil 2, the input or output signals of which are transmitted by means of a plug 9 at the end of a foil tail 10 of the conductor foil 2 into the interior of the motor vehicle door.
  • the conductor arrangement or conductor foil 2 has two integrated electrodes 11, 12 which are realized as rectangular conductor tracks on the conductor foil 2 and may extend from the handle dome to the bearing projection 4.
  • the electrodes 11, 12 are each located on the profile body 3 facing away from the surface of the conductor foil 2. This surface is designed to be smooth because of the inward into the recesses 6 facing components 7, 8.
  • the electrode 11 serves to realize a capacitive proximity sensor in the context of a keyless entry system. As soon as an authorized person approaches the electrode 11, which is arranged on the side facing away from the motor vehicle of the handle, it allows access to the motor vehicle without the use of an electronic or mechanical key. Because when the person in question is sensed by the electrode 11, a question-and-answer dialogue takes place between a motor vehicle-side control / evaluation electronics and a transponder carried by the person. After successful question-answer dialogue, the individual motor vehicle door locks, not shown, are unlocked. This is well known, what specifically on the EP 1 235 190 A1 referenced.
  • the electrode 12 realizes, together with an inserted between the handle 1 and the vehicle door in the grip area hand of an operator another sensor, which responds to touch. As part of the embodiment, such touches ensure that the mentioned motor vehicle door locks (again) are locked. It is understood that not only rectangular shapes of the electrodes 11, 12 are possible, but also other geometric configurations such as round or oval embodiments are included within the scope of the invention.
  • the conductor arrangement 2 or conductor foil 2 has lateral tabs 13 which are anchored to associated hooks 14 of the profile body 3.
  • a firm connection between conductor film 2 and profile body 3 takes place in the context of a pre-assembly, wherein at the same time an entire functional pre-test of this preassembled unit 2, 3 can be made.
  • the structural unit 2, 3 can be positioned in a base shell 1a of the handle 1 according to the described prefabricating of the profile carrier 3 with the conductor foil 2.
  • the handle 1 is made in two parts and has a base shell 1a and the cover shell 1b. This is not mandatory.
  • the assembly made of conductor foil 2 and profile body 3 is received in the recess 5 in the base shell 1a, taking into account a minimum distance of about 1 mm from the base shell 1a. Subsequent to the positioning in the recess 5, the assembly 2, 3 is potted in the recess 5 and the cover shell 1 b combined with the base shell 1 a, for example by clipping, gluing (that is, a cohesive connection) or screwing.
  • the profile body 3 is made of plastic and has a metallic coating which serves to shield the two electrodes 11, 12 against each other.
  • the profiled body 3 made of plastic may also be embodied in an entirely electrically conductive manner by introducing electrically conductive materials into the plastic during production.
  • Herbei may be a metal powder or graphite.
  • the cover shell 1b has one or more webs 15.
  • the respective web 15 is evidenced by Fig. 3 to 6 each on the outer surface of the component or the cover shell 1b and is directed towards the component interior.
  • the cover shell 1b has a metallized surface, is thus formed electrically conductive at least on the surface. Otherwise, this is a plastic injection molded part.
  • the tab 16 is configured substantially U-shaped and has two legs or U-legs 16a, 16b and a base 16c.
  • the one leg 16a held by means of a nose 17 on the profile body 3, which - as described - simultaneously carries the conductor foil 2.
  • the other leg 16b of the tab 16 fixes the conductor foil 2 or lies against a contact point 18 there.
  • an electrically conductive adhesive 19 is now applied, wherein the tab 16 may have a corresponding recess, corrugation, etc., in order to promote a desired drop formation of the adhesive 19. It is understood that only a predetermined volume of the adhesive 19 is applied to the tab 16, for example 10 mm 3 , which can be done with the help of a volumetrically and semi-automatically operating metering gun.
  • the lid shell 1 b is combined with the base shell 1 a, the two webs 15 dive according to the Fig. 3 and 4 in the adhesive 19 a.
  • an electrical connection is produced from the cover shell 1b, which is coated with a metal layer and is otherwise made of plastic, via the webs 15, the adhesive 19, the tab 16 and the contact point 18, which are likewise coated with the metal layer, finally to the printed circuit film 2.
  • the cover shell 1b can thus be connected in this way with the motor vehicle mass, so that it can take over a shielding function with respect to the two electrodes 11, 12.
  • the lid shell 1b may also act as an electrode itself, for example, to represent the proximity sensor. Then can be dispensed with the electrode 11.
  • the adhesive 19 After a certain curing time, the adhesive 19 has reached its final strength, but unchanged movements of the web or webs 15 relative to the tab 16 are absorbed elastically.
  • the adhesive may be one based on acrylate, in which graphite or silver is incorporated as filler to ensure the required electrical conductivity.
  • a variant is also included in which the function of at least one of the electrodes 11, 12 is taken over by the component 1b or the cover shell 1b of the handle 1.
  • the lid shell 1b will be used for approach sensing.
  • the cover shell 1b thus assumes the function of the electrode 11 for the realization of a capacitive proximity sensor, wherein it is basically also conceivable to combine the electrode 11 with the cover shell 1b to form a total electrode for the proximity sensing.
  • this modification offers the further advantage that the cover shell 1b, which is basically made of plastic, at least in the region of its visible Outer sides over a layer of an electrically conductive plastic or a metal layer has, which may serve as a basis for applying a coloring substance at the same time. That is, the respective electrically conductive layer on the surface of the component 1b or the cover shell 1b assumes a dual function. First, it acts as an electrode of a capacitive proximity sensor. On the other hand, this electrically conductive layer is able to absorb, for example, electrostatically charged color particles, which are then fixed by a heat treatment on the respective plastic molded part. In this way, the component 1 b can be adapted to the particular motor vehicle as a whole from the color scheme and additionally assumes the described shielding, grounding and / or sensing function.

Landscapes

  • Lock And Its Accessories (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)

Claims (8)

  1. Procédé destiné à la connexion électrique d'au moins un composant électroconducteur en surface (1b) d'une poignée (1) d'une porte de véhicule automobile sur des véhicules automobiles au cours de leur montage, caractérisé en ce que le composant (1b) respectif de la poignée (1) est relié par intercalage d'un adhésif électroconducteur (19) avec un point de contact (18) d'un conducteur (2) du système électrique-électronique du véhicule automobile.
  2. Procédé selon la revendication 1, caractérisé en ce que le composant (1b) de la poignée (1) de la porte de véhicule automobile assume la fonction d'une électrode pour réaliser un capteur capacitif, le mode de fonctionnement d'un dispositif électrique de protection et/ou de mise à la terre, etc.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le composant (1b) de la poignée (1) de la porte de véhicule automobile est relié au moyen d'au moins une barrette formée (15) par l'intermédiaire de l'adhésif (19) au point de contact (18) du conducteur (2).
  4. Procédé selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'entre l'adhésif (19) et le point de contact (18) du conducteur (2) est intercalé un élément de liaison électroconducteur (16), par ex. : une patte de fixation (16) fixant le conducteur (2) au point de contact (18).
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que lors du montage du composant (1b) de la poignée (1) de la porte du véhicule automobile, la barrette (15) plonge dans une cuve (20) remplie avec l'adhésif (19).
  6. Poignée de porte de véhicule automobile (1) avec un composant (1b) avec au moins une surface électroconductrice, par eux. : une coquille de couverture métallisée (1b) de la poignée (1), pour laquelle le composant (1b) de la poignée (1) est reliée électriquement à un conducteur (2), caractérisée en ce que le composant (1b) de la poignée (1) par intercalage d'un adhésif électroconducteur (19) donne naissance à une liaison électrique avec un point de contact (18) du conducteur (2), pour laquelle une patte (16) avec une branche (16a) plonge dans une cuve (20) d'un corps profilé (3) alors qu'une autre branche (16b) fixe le conducteur (2), et en ce qu'une barrette (15) plonge lors du montage dans la cuve (20) remplie avec l'adhésif (19) pour établir une liaison électrique constante du composant (1b) de la poignée (1) avec le conducteur (2).
  7. Poignée de porte de véhicule automobile (1) selon la revendication 6, caractérisée en ce que la poignée de porte de véhicule automobile (1) comporte au moins une barrette (15), laquelle se lève vers l'intérieur du composant orientée vers une surface extérieure du composant (1b) de la poignée (1).
  8. Poignée de porte de véhicule automobile (1) selon la revendication 6 ou 7, caractérisée en ce que la barrette (15) fixe une patte (16) lors du montage, laquelle de son côté positionne le conducteur (2).
EP03028067.1A 2002-12-12 2003-12-08 Concept de mise en contact pour une poignée de porte extérieure Expired - Lifetime EP1428961B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002158393 DE10258393A1 (de) 2002-12-12 2002-12-12 Verfahren zur elektrischen Kontaktierung von zumindest oberflächig leitfähigen An-/Einbauteilen bei Kraftfahrzeugen im Zuge ihrer Montage
DE10258393 2002-12-12

Publications (3)

Publication Number Publication Date
EP1428961A2 EP1428961A2 (fr) 2004-06-16
EP1428961A3 EP1428961A3 (fr) 2006-05-10
EP1428961B1 true EP1428961B1 (fr) 2015-07-29

Family

ID=32319093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03028067.1A Expired - Lifetime EP1428961B1 (fr) 2002-12-12 2003-12-08 Concept de mise en contact pour une poignée de porte extérieure

Country Status (2)

Country Link
EP (1) EP1428961B1 (fr)
DE (1) DE10258393A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025113941A1 (fr) * 2023-11-30 2025-06-05 Huf Hülsbeck & Fürst Gmbh & Co. Kg Dispositif d'actionnement pour un système d'accès d'un véhicule, pour actionner une partie mobile du véhicule

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005031441A1 (de) * 2005-07-04 2007-01-11 Huf Hülsbeck & Fürst Gmbh & Co. Kg Griffvorrichtung
IT1392399B1 (it) * 2008-12-22 2012-03-02 Valeo Spa Maniglia per porta di autoveicolo

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4443596B4 (de) * 1994-12-07 2004-12-16 Heinz Prof. Dr.-Ing. Lindenmeier Funkantenne auf der Fensterscheibe eines Kraftfahrzeugs
DE19842094A1 (de) * 1998-09-15 2000-03-30 Rolf Weick Elektrisch beheizbarer Kfz.- und Haushaltsspiegel mit Chromschicht zur Wärmeerzeugung
WO2000050261A2 (fr) * 1999-02-24 2000-08-31 Advanced Safety Concepts, Inc. Capteurs capacitifs pour vehicules

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025113941A1 (fr) * 2023-11-30 2025-06-05 Huf Hülsbeck & Fürst Gmbh & Co. Kg Dispositif d'actionnement pour un système d'accès d'un véhicule, pour actionner une partie mobile du véhicule

Also Published As

Publication number Publication date
EP1428961A2 (fr) 2004-06-16
EP1428961A3 (fr) 2006-05-10
DE10258393A1 (de) 2004-06-24

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