EP2010743A1 - Dispositif de protection antipincement commandé par capteur et véhicule associé - Google Patents

Dispositif de protection antipincement commandé par capteur et véhicule associé

Info

Publication number
EP2010743A1
EP2010743A1 EP07722252A EP07722252A EP2010743A1 EP 2010743 A1 EP2010743 A1 EP 2010743A1 EP 07722252 A EP07722252 A EP 07722252A EP 07722252 A EP07722252 A EP 07722252A EP 2010743 A1 EP2010743 A1 EP 2010743A1
Authority
EP
European Patent Office
Prior art keywords
component
body part
sensor
tailgate
support element
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.)
Withdrawn
Application number
EP07722252A
Other languages
German (de)
English (en)
Inventor
Thomas Kraus
Josef Appel
Anton Dietmar JÖHL
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.)
Webasto SE
Original Assignee
Webasto SE
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 Webasto SE filed Critical Webasto SE
Publication of EP2010743A1 publication Critical patent/EP2010743A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/46—Detection using safety edges responsive to changes in electrical capacitance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/546—Tailboards, tailgates or sideboards opening upwards

Definitions

  • the present invention relates to a sensor-controlled anti-trap device for preventing jamming of an object, in particular in or for a motor vehicle.
  • the invention further relates to a corresponding motor vehicle.
  • Motorically adjustable components in a motor vehicle are movable devices, such as sunroofs, lifting roofs, side doors, sliding doors and tailgates.
  • the invention and the problem underlying it will be described below with reference to a pinch protection in a vehicle and here on a pinch protection in a tailgate of a motor vehicle, but without limiting the invention thereto.
  • a motor drive is designed in such a tailgate to bring them from a closed to an open position and vice versa. During a closing operation, it can lead to a trapping, in which, for example, a person's hand can come into the gap between the tailgate and the body. In order to recognize such situations, which often lead to injuries, in good time and thus avoid them, electrically actuated components have safety systems.
  • the corresponding capacitive sensing electrodes of the anti-pinch guards may, for example, be integrated with corresponding rubber profiles of the tailgate, which are mounted along the clamping edge on the tailgate or the corresponding opposite body edge. Such an arrangement is described, for example, in DE 10 2004 023 285 B3.
  • the capacitive sensor electrodes may also be formed as strips, as described in 10 2005 043 543.3, which was filed for a patent by the Applicant, but is not yet published at the filing date of the present patent application.
  • Tailgate support elements are designed to support the tailgate in the open state.
  • the motor vehicle in the region of the tailgate usually has a safety device with anti-pinch protection, which has capacitive sensor elements.
  • the problem is that - depending on where the sensor elements are mounted - through the typically made of metal support element itself to some extent a shield of a portion between the tailgate and the body is present. In this shielded area of the anti-trap is not or only partially guaranteed.
  • This problem will be briefly explained with reference to the figures Ia, Ib. 1 a, the sensor element 1 is arranged on a risk of pinching edge 2 of the tailgate 3. In a region designated by reference numeral 4 in FIG.
  • this object is achieved by a anti-pinch device having the features of patent claim 1 and / or by a motor vehicle having the features of patent claim 16.
  • a sensor-controlled anti-jamming device for preventing jamming of an object, in particular in or for a motor vehicle, with a body part and with the cable Rosserieteil pivotally connected motor-actuated component, with at least one support member which supports the component in an open state of the component against the body part, and with at least one capacitive sensor element, which is arranged in the open state of the component between the component and the body part and which is designed during a closing operation to detect an object located in a predetermined clamping area between the component and the body part.
  • a motor vehicle with a sensor-controlled anti-pinch device according to the invention.
  • the idea on which the present invention is based consists of a sensor element for monitoring the risk of pinching
  • those areas are monitored, which are shielded for example by the support element or other body regions.
  • a preferred embodiment provides that the component is pivotally mounted on the body part via a pivot axis and that the predetermined clamping area denotes a first gap in the immediate vicinity of the pivot axis. additionally or alternatively, the predetermined clamping region denotes a second gap between the body part and the support element and / or a third gap between the support element and the component.
  • the support element is electrically insulated from the component and / or the body part.
  • the sensor element is part of the support element.
  • the sensor element can be fastened here by means of an adhesive layer and / or clip closure and / or screw connection and / or plug connection on the support element.
  • a laterally arranged diaphragm element is provided between the component and / or the body part, wherein the sensor element is part of the diaphragm element.
  • the diaphragm element is attached to the support element here.
  • the visor element is mounted electrically isolated on a pivot axis for the tailgate.
  • the diaphragm element it would also be conceivable for the diaphragm element to be fixed in an electrically insulated manner on the component or on the body part in the vicinity of a pivot axis for the component.
  • a particularly preferred embodiment of the invention provides that a further sensor element is provided, which is arranged on the component along its edge-risk-prone edge and / or on the body part along its edge-endangered edge.
  • the anti-trap device has a non-contact proximity sensor.
  • this proximity sensor is a capacitive sensor.
  • Other non-contact proximity sensors would also be conceivable here, for example on the basis of infrared, ultrasound or radar.
  • the sensor electrode is formed as a conductive coating and / or as a conductive wire electrode and / or as a conductive sheet metal part and / or as a conductive (metal) film.
  • This type of sensor electrode can be integrated in the material of the component, of the body part or of the support element, for example by encapsulation.
  • the support element has a gas spring.
  • the support element is acted upon by a resilient element.
  • the anti-trap device has a control device.
  • This control device which typically also contains an evaluation circuit for evaluating the sensor signals, controls the anti-pinch function as a function of the evaluation of the sensor signals.
  • the controller is located within the motor actuatable member.
  • the control device is part of a control device for controlling the opening and / or closing operation of the component.
  • the component is provided with a drive motor that moves the motor-actuatable component in response to a control of the controller.
  • the drive motor Gate acts for an opening and / or closing operation of the component on an adjusting mechanism, wherein the component is preferably connected via a driver with this adjusting mechanism.
  • the motor-actuated component is designed as a tailgate or boot lid, which can be actuated via an electric motor drive.
  • Other applications include electrical Schiebetü- ren, side doors, sliding and / or lifting roofs of a motor vehicle and the like.
  • FIG. 2 shows a side view of a vehicle in its rear area for explaining a first embodiment of the anti-pinch device according to the invention
  • FIG. 3 shows a side view of a vehicle in its rear area for explaining a second embodiment of the anti-pinch device according to the invention
  • Example of the anti-pinching device according to the invention is a side view of a vehicle in the rear area for explaining a third embodiment.
  • Example of the anti-pinching device according to the invention is a side view of a vehicle in the rear area for explaining a third embodiment.
  • FIGS. 2-4 show side views of a vehicle in its rear area for explaining exemplary embodiments of the anti-pinch device according to the invention.
  • FIGS. 2-4 show, by way of example, the rear region of a motor vehicle 10 which is shown only in partial detail.
  • the motor vehicle 10 has a rear-side body part 11 on which a pivotable tailgate 12 is attached.
  • the tailgate 12 is pivotable about a provided on the roof 15 of the motor vehicle 10 axis of rotation 13, for example, a pivot joint 13 which defines a pivot axis in the pivoting direction 16 and zubewegbar.
  • a motor drive for example in the form of an electric motor
  • an adjusting mechanism not shown in FIGS. 2 to 4
  • This actuated via the drive motor opening and closing the tailgate 12 can be realized in many embodiments and variants, for example, by a direct intervention of the drive on the axis of rotation 13 or alternatively by means of a mounted on the tailgate 12 and the motor vehicle 10 lever driver, via the drive is pressed.
  • the present patent application is based on the exact Design of this drive motor with adjustment mechanism not discussed.
  • the tailgate 12 is in the open state, i. it is located on the pivot joint 13 of the body part 11 in a weggeschwenkten position.
  • a region 14 is formed, which is located between the tailgate 12 and the body part 11.
  • the motor vehicle 10 has an anti-pinch device according to the invention in the rear area 12, which will be discussed in detail below.
  • a first sensor element 18 is arranged in the region of a risk of edge 17 of the tailgate 12.
  • this first sensor element 18 is arranged more or less along the entire edge 17 of the tailgate 12 which is at risk of pinching.
  • This sensor element 18 is e.g. Part of a capacitive proximity sensor.
  • the sensor element 18 is designed to monitor the area 14 between the tailgate 12 and the body part 11 with regard to a situation where there is a risk of pinching when the tailgate 12 is closed.
  • a support member 19 is provided, which is arranged in the open state of the tailgate 12 in the region 14 between the flap 12 and the body part 11.
  • the support member 19 includes in the present embodiment, a gas spring.
  • the support member 19 is on the body side via a first attachment point 20 and tailgate side over a second attachment point 21 connected to these elements 11, 12.
  • the support element 19 now has a further sensor element 22.
  • This further sensor element 22 is designed to monitor a region 14 'between the support element 19 and the body part 11 with respect to a situation which may jam.
  • the first sensor element 18 is also designed to monitor the area 14 between the support element 19 and the body part 11.
  • the regions 14 ⁇ in the vicinity of the attachment point 20 are not or only insufficiently monitored via the sensor element 18 with regard to a situation which would endanger the clamping due to the presence of the typically metallic and therefore shielding support element 19.
  • the further sensor element 22 is provided, which is designed especially for monitoring the Einklemmgefährdendenten area 14 'in the vicinity of the attachment point 20. This can be over the entire area 14, 14 'between the tailgate 12 and body part 11 provide optimal monitoring to prevent trapping.
  • the support element 19, which consists predominantly of a metal or a metal alloy, for example, is itself used as the sensor electrode for the further sensor element 19.
  • the attachment points 20, 21 of the support member 19 must be performed by the body part 11 on the one hand and the tailgate 21 on the other hand electrically isolated.
  • This can be realized, for example, by forming the attachment points 20, 21 of the support element 19 by means of ball heads or rollers which contain an electrically insulating material, for example plastic, at least on their outer surfaces.
  • the corresponding bearing shells which serve to receive these ball heads or rollers, on whose outer surfaces comprise an electrically insulating material.
  • tailgate 12 and / or the body part 11 at least in the region where the support member 19 via the attachment points 20, 21 are attached to these elements, made of an electrically insulating material, can on the isolation of the bearings of the Support element 19 are also dispensed with.
  • an electrically conductive for example made of metal support member 19 as a further sensor element 22
  • a separate sensor element 22 may be provided, which is applied, for example, on the support member 19, attached, etc.
  • the further sensor element 22 can be glued, plugged or clipped on to the support element 19 via an adhesive, plug-in, clip connection, etc.
  • the advantage of a plug or clip connection is that the corresponding further sensor element 22 can be removed in a simple manner, which is particularly advantageous in terms of maintenance.
  • an evaluation and control device 23 is shown schematically.
  • This evaluation and control device 23 is used to evaluate the sensor signals S1, S2 generated via the sensor elements 18, 22.
  • the evaluation and control device 23 is connected to the first sensor element 18 via a first connecting line 24.
  • the evaluation and control device 23 is connected to the further sensor element 22.
  • the sensor signals Sl, S2 for evaluation of the evaluation device 23 are supplied.
  • this can for example be led out of the support member 19 by corresponding holes or recesses within the shell or the ball element in the region of the attachment point 20.
  • the evaluation and control device 23 is designed to carry out an evaluation and control of the opening and closing operation of the tailgate 12. In the case of a dangerous pinching situation in which, for example, jamming in the region of the gap 14 between the tailgate 12 and the motor vehicle 10 is imminent, this is detected by means of the evaluation and control device 23. The evaluation and control device 23 is now able to activate a pinch protection, for example, in the case of closing the tailgate 12, this is opened again or at least the closing process is stopped.
  • the evaluation direction can of course also be formed separately from the control device 23, for example, the evaluation direction can be part of the respective sensor element 18, 22 itself. It would also be conceivable if the evaluation and control device 23 is arranged in the tailgate 12.
  • the evaluation and control device 23 may be designed, for example, as a program-controlled device, for example as a microcontroller or microprocessor, and is typically part of a control device.
  • two support elements 19 are provided in the rear area. Since these support elements 19 are typically mounted symmetrically on lateral edges of the tailgate 12, a capacitance change resulting from the change in position of the tailgate 12, which are detected by the corresponding sensor elements 18, 22, can be compensated by subtracting the corresponding henden sensor signals are hidden. In the event that there is no risk of pinching, a difference signal results in a zero signal. Only in the case of a detected, non-zero signal, for example, using a corresponding switching threshold for the difference signal is detected on a pinching hazardous situation and it can be initiated the appropriate measures for the anti-trap. This, measures can be, for example, a stop of the electric motor for the electric motor-operated tailgate 12 or a reopening of the tailgate 12 on the electric motor.
  • the sensor elements 18, 22 may be e.g. be formed of a metal sheet, a wire, an electrically conductive layer or the like. In the area of the tailgate 12 and / or the
  • the corresponding sensor element 18 may be attached or attached to the surface of these elements or be arranged in the material of these elements, provided that this material is electrically non-conductive. In the case of an electrically conductive material for the elements 11, 12, the corresponding sensor element 18 may also be integrated in a sealing material on the corresponding edges 16, 16 which are at risk of pinching.
  • the sensor element 18 is arranged along a pinch-hazard edge 26 of the body part 11. Is designed During this sensor element 18 to wide areas 14 between the tailgate 12 and Ka rosserieteil respect to monitor a risk of trapping situation 11, disposed in the support member 19 further sensor element 22 serves the purpose of an additional area 'monitor 14 ⁇ .
  • This additional region 14 ⁇ located at the rear flap side in the immediate vicinity of the
  • the support element 19 itself can not contain any further sensor element 22, as is the case in the exemplary embodiments 2 and 3.
  • the function of the further sensor element 22 is fulfilled here by an aperture element 27, which is fastened to the support element 19.
  • This panel 27 extends at least partially into the area 14 from an area directly in the vicinity of the pivot joint 13.
  • the panel 27 is on the other hand spaced from the tailgate 12 on the one hand and the body part 11.
  • the diaphragm element 27 contains the further sensor element 22, which is preferably arranged over the entire length of the diaphragm 27.
  • the aperture 27 is typically movably connected to the support element 19 and the pivot axis 13 so that the aperture element 27 moves in the direction of the body part 11 along a support rail 19, for example, along a rail.
  • the panel 27 is clipped onto the support element 19. It is also important here that the panel 27 is designed to be electrically insulated from the body part 11 and the tailgate 12, and typically also against the support element 19, above all. This can be done, for example, by an electrically non-conductive attachment of the diaphragm 27 on the support element 19 or on the pivot axis 13.
  • the panel 27 is formed in the closed state of the tailgate 12 in a specially provided recess in the body part 11 or the tailgate 12 retractable. Additionally or alternatively, it would also be conceivable that the Aperture 27 is formed bellows-shaped, which can fully unfold when opened and can be completely folded when closing.
  • the blend element 27 may consist entirely of a conductive material, for example a metal or a metal alloy. In this case, the entire aperture 27 would fulfill the function of the further sensor element 22. Additionally or alternatively, it would also be conceivable for the diaphragm 27 to have suitably shaped, electrically conductive conductor structures which comprise the function of the further sensor element 22.
  • the diaphragm 27 which contains the further sensor element 22, preferably the entire area 14 * w between the tailgate 12, the body part 11 and the support element 19 can be monitored with respect to a risk of pinching situation.
  • the otherwise critical area in the immediate vicinity of the swivel joint 13, which otherwise can only be monitored insufficiently, is now optimally monitored.
  • the cover element 27 in FIG. 4 protects the entire area 14 ''', the first sensor element 18 can be dispensed with in this area of the tailgate 12 (or of the body part 11).
  • the electrical connection of the diaphragm element 27 to the evaluation and control device 23 can be realized by means of a connection line provided for this purpose, as is shown analogously in FIGS. 2 and 3. It is also advantageous that no complicated wiring is required for the further sensor element 22 within the aperture 27.
  • Contacting can be done here, for example, very simply by clipping on a sensor element 22 on the panel 27 or by other planar contact of the sensor element 22, since the safe operation of the sensor element 22 is already a good kapa- citive coupling in the range of some piko farads are sufficient. This would also be by a thin insulating layer, such as an anodization, a thin paint, etc, conceivable. In a very simple way, the formation of a capacitive sensor element in the case of the exemplary embodiment in FIG. 4 is possible.
  • the contacting described can also be extended or applied to the exemplary embodiments in FIGS. 2 and 3 by using the contacting just described for the electrical connection of the support elements 19 to the further sensor elements 22 in the examples of FIGS. 2 and 3 ,
  • the invention is not limited to the specific embodiments of the sensor element as well as for the sensor elements and also for the tailgate, the body part and the
  • the sensor element used may be any material or article which is electrically conductive, wherein preferably those materials are used which are very easy to process and to assemble in terms of production technology.
  • As sensor elements such a sensor can be used which emits electromagnetic signals and / or receives and evaluates.
  • the invention is not limited exclusively to a tailgate in a motor vehicle, but can of course also other motor-operated components, such as side doors, sliding / lifting roof structures, trunk lid, hood and the like apply.
  • the invention is not limited exclusively to the automotive sector, but can also be used advantageously in other vehicles, such as trucks, buses, train cars and the like.
  • Body part in the rear of the vehicle 12 Tailgate, engine-operable component

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)

Abstract

Dispositif de protection antipincement commandé par capteur, destiné à empêcher le pincement d'un objet, en particulier dans ou pour un véhicule automobile. Ledit dispositif antipincement comporte une partie carrosserie et une partie structurale pouvant être actionnée par moteur et connectée pivotante à la partie carrosserie, au moins un élément d'appui qui appuie la partie structurale lorsque cette dernière se trouve à l'état ouvert contre la partie carrosserie, et au moins un élément capteur capacitif qui est placé, lorsque la partie structurale se trouve à l'état ouvert, entre ladite partie structurale et la partie carrosserie et qui est conçu, lors d'un processus de fermeture, pour détecter un objet se trouvant dans une certaine zone de pincement entre la partie structurale et la partie carrosserie.
EP07722252A 2006-04-27 2007-04-19 Dispositif de protection antipincement commandé par capteur et véhicule associé Withdrawn EP2010743A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006019710A DE102006019710B4 (de) 2006-04-27 2006-04-27 Sensorgesteuerte Einklemmschutzvorrichtung und Kraftfahrzeug
PCT/DE2007/000694 WO2007124718A1 (fr) 2006-04-27 2007-04-19 Dispositif de protection antipincement commandé par capteur et véhicule associé

Publications (1)

Publication Number Publication Date
EP2010743A1 true EP2010743A1 (fr) 2009-01-07

Family

ID=38512513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07722252A Withdrawn EP2010743A1 (fr) 2006-04-27 2007-04-19 Dispositif de protection antipincement commandé par capteur et véhicule associé

Country Status (4)

Country Link
US (1) US20090171537A1 (fr)
EP (1) EP2010743A1 (fr)
DE (1) DE102006019710B4 (fr)
WO (1) WO2007124718A1 (fr)

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DE102011116345B4 (de) * 2011-10-05 2014-05-08 Benjamin Aktan Verfahren zum Modifizieren einer Gasdruckfeder für eine Kraftfahrzeug-Heckklappe
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US9797178B2 (en) * 2015-07-29 2017-10-24 Ford Global Technologies, Llc Seal based object detection for vehicle door assist system
US10570656B2 (en) * 2015-07-29 2020-02-25 Ford Global Technologies, Llc Magnetic object detection for vehicle door assist system
FR3058439B1 (fr) * 2016-11-04 2018-12-07 Compagnie Plastic Omnium Dispositif anti-pincement de type capteur capacitif pour ouvrant de vehicule automobile
DE102018201832A1 (de) 2018-02-06 2019-08-08 Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Bamberg Tür eines Kraftfahrzeugs

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Also Published As

Publication number Publication date
US20090171537A1 (en) 2009-07-02
DE102006019710B4 (de) 2010-03-11
WO2007124718A1 (fr) 2007-11-08
DE102006019710A1 (de) 2007-10-31

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