EP1741865A2 - Système de capteur pour un dispositif anti-pincement - Google Patents

Système de capteur pour un dispositif anti-pincement Download PDF

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Publication number
EP1741865A2
EP1741865A2 EP06090120A EP06090120A EP1741865A2 EP 1741865 A2 EP1741865 A2 EP 1741865A2 EP 06090120 A EP06090120 A EP 06090120A EP 06090120 A EP06090120 A EP 06090120A EP 1741865 A2 EP1741865 A2 EP 1741865A2
Authority
EP
European Patent Office
Prior art keywords
sensor
vehicle part
sensor system
body portion
moving
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Withdrawn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
EP06090120A
Other languages
German (de)
English (en)
Other versions
EP1741865A3 (fr
Inventor
Thomas Weingärtner
Carsten Abert
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.)
Brose Fahrzeugteile SE and Co KG
Original Assignee
Brose Fahrzeugteile SE 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 Brose Fahrzeugteile SE and Co KG filed Critical Brose Fahrzeugteile SE and Co KG
Publication of EP1741865A2 publication Critical patent/EP1741865A2/fr
Publication of EP1741865A3 publication Critical patent/EP1741865A3/fr
Withdrawn legal-status Critical Current

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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
    • 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
    • E05F15/44—Detection using safety edges responsive to changes in electrical conductivity
    • E05F15/443—Detection using safety edges responsive to changes in electrical conductivity specially adapted for vehicle windows or roofs
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/67—Materials; Strength alteration thereof
    • 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
    • E05Y2900/55—Windows

Definitions

  • the invention relates to a sensor system for an anti-trap device on a vehicle according to the preamble of claim 1.
  • Known sensor systems for anti-jamming devices on vehicles are designed as contact strips, ultrasonic barriers or infrared light barriers which cooperate as a safety device with the anti-pinch device, for example to detect an object trapped between a vehicle part, for example in the form of a closing window pane, and a body section. to prevent the closing of the window pane and thus to prevent damage to the object, the window pane or the window pane moving window regulator.
  • tactile sensors for example piezoelectric or pyroelectric sensors, are used as sensors for anti-pinch devices, which are designed as pressure sensors or heat sensors and react to pressure or heat applied.
  • the object of the present invention is to provide a sensor system for an anti-pinch device for monitoring a movement of a vehicle part provide that a jammed object safely detected and can be produced in a simple and cost-effective manner.
  • the senor of a sensor system is configured in a layered manner, is applied to the moving vehicle part, the body section and / or the further vehicle part and adapted to the shape of the moving vehicle part, the body section and / or the further vehicle part.
  • the solution according to the invention thus provides a sensor system for an anti-trapping device for monitoring the movement of a vehicle part, in which the sensor is arranged in layers on the moving vehicle part itself, the body section of a motor vehicle or the other vehicle part and thereby adapted to the shape of its surroundings it is inconspicuous from the outside and can not be recognized as a separate component due to the layered and shape-adapted application from the outside.
  • the sensor is connected to the moving vehicle part, the body portion or the other vehicle part that no special fasteners, such as screw or connectors, openings, recesses, indentations or the like, are required and the assembly cost for attaching the sensor is significantly reduced. In this way, a sensor is provided, which can extend by the manner of its application in areas of the vehicle, in which the mounting of a sensor has been difficult or even impossible.
  • the senor is generated by a layered deposition on the moving vehicle part, the body portion of a motor vehicle or the other vehicle part.
  • a layered deposition on the moving vehicle part, the body portion of a motor vehicle or the other vehicle part.
  • thin layers can be created which at least partly cover the moving vehicle part, the body section or the further vehicle part and, due to the type of layered application of the shape of the surface of the moving vehicle part, the body section or the other Adapt vehicle part and are firmly connected to the body portion or the vehicle part.
  • the sensor can be arranged both on the moving vehicle part, the body section or the other vehicle part.
  • the other vehicle part can be in another Function attached to the vehicle and also serve as a carrier for the sensor.
  • the sensor may be deposited on a sealing element forming the further vehicle part or on a lining element which is assigned to the body.
  • Serving as a carrier vehicle part can be fixed together with the arranged on the vehicle part sensor to the body and, depending on the type and use of the vehicle part glued to the body, plugged, screwed or otherwise connected to the vehicle.
  • the sensor system is preferably designed so that it already detects the approach of an object to the moving vehicle part, the body portion or the other vehicle part, so as to avoid a possible pinching of the object early.
  • the sensor may have, for example, on the moving vehicle part, the body portion or the further part of the vehicle layered antennas, which are part of a sensor system and detect an approaching object.
  • the sensor detects a pressure force exerted on the body section or one of the vehicle parts, which pressure force can be caused by an object clamped between the moved vehicle part and the body section or the further vehicle part.
  • the sensor of the sensor system is preferably designed as a piezoelectric sensor, which is applied in layers to the moving vehicle part, the body section or the further vehicle part and partially covered. The piezoelectric sensor detects a compressive force exerted by an object on the sensor, converts it into an electrical signal that can be passed on and evaluated, and thus indicates the object.
  • the piezoelectric sensor preferably has a piezoelectric layer and the piezoelectric layer at least partially overlapping electrodes, which can be generated by the deposition of suitable piezoelectric materials on the moving vehicle part, the body portion or the other vehicle part.
  • a compressive force perpendicular to the surface of the layer Upon exertion of a compressive force perpendicular to the surface of the layer, a voltage directed perpendicularly to the surface, which can be tapped off by electrodes below and above the layer, and which induces a charge displacement and thus an electrical signal, arises over the piezoelectric layer.
  • the piezoelectric Sensor is formed by thin layers generated by the deposition, is thus almost invisible from the outside and does not disturb the visual design of the vehicle. So there are no separate measures for attaching the sensor on the vehicle or on the vehicle body necessary and the design and layout of the body does not need to be changed.
  • the piezoelectric layer of the sensor is at least partially covered with electrodes made of a conductive material. Since usually the body consists of a metal and thus of a conductive material, it is conceivable to use the body portion as one of the electrodes of the sensor and to apply the piezoelectric layer directly to the conductive body. Similarly, even if the sensor is mounted on a vehicle part, the vehicle part, if it is conductive, can serve as an electrode for the sensor. Advantage of this variant of the sensor system is that supply lines for the sensor can be partially eliminated.
  • the leads required to contact the sensor can also be made by applying suitable conductive materials to the body portion or the vehicle part to avoid cables and to simplify the assembly and mounting of the sensor and the anti-trap device.
  • the electronic control circuit required for the sensor is likewise produced directly on the moving vehicle part, the body section or the further vehicle part by depositing suitable materials together with the piezoelectric sensor.
  • the electronic control circuit required for the sensor is likewise produced directly on the moving vehicle part, the body section or the further vehicle part by depositing suitable materials together with the piezoelectric sensor.
  • the sensor of the sensor system can be arranged on or under a lacquer layer or under components, such as a seal.
  • a coating layer covering the sensor it is possible to ensure that the sensor is color-matched to the environment in order to make the piezoelectric sensor invisible from the outside.
  • the senor can be arranged wholly or partially overlapping on the body, without the piezoelectric sensor, the positioning of the components difficult or affected or the components must be adapted to the piezoelectric sensor in their design.
  • the sensor of the sensor system can cover a body section over a large area in order to detect a possible risk of pinching in a large area by means of a single sensor.
  • a plurality of small-area sensors can also be arranged on the moving vehicle part, the body section or the further vehicle part, which are spatially offset and thus receive a spatially differentiated signal.
  • the sensor system is part of an anti-pinch device for a window pane forming the moving vehicle part in a motor vehicle door.
  • the sensor may be arranged on a door frame of the motor vehicle door forming the body section or, in the case of a frameless door, on a stationary body section of the vehicle body surrounding the door opening.
  • the sensor faces the closing window pane and is mounted in a region which receives the moving window pane, so that an object which is clamped between the window pane and the door frame or the body section on the vehicle body during the closing operation of the window pane is detected.
  • the sensor is formed directly on the window pane, preferably in the region of the upper pane edge.
  • Fig. 1 shows a side view of a vehicle door 2 with a body portion forming a door frame 21 for receiving a moving vehicle part forming window pane 3, to which a sensor 1 is mounted, which partially covers the upper part of the door frame 21 on the side facing the window 3 ,
  • the sensor 1 is part of a sensor system of a pinch protection device, which serves as a safety device when moving the window 3 and the closing closes when an object between the window 3 and door frame 21 is detected and there is a risk that the object is trapped.
  • the sensor 1 is attached to the closing window 3 facing the door frame 21 and covers the door frame 21 in particular in the areas in which the pinching of an object is possible.
  • the sensor 1 is applied to the door frame 21 and is completely adapted to the shape of the door frame 21, may additionally be covered by a lacquer layer and is therefore not visible from the outside.
  • the leads of the sensor 1 are attached to points not visible from the outside or can also be prepared by deposition of conductive material on the door frame 21.
  • Fig. 2 shows a side view of the body forming the vehicle door 2 with a plurality of sensors 1 a - 1 j, which are arranged spatially offset on the door frame 21 and each cover a relatively small portion of the door frame 21.
  • the sensors 1a-1j are connected via supply lines to the drive circuit of the anti-pinch device, which evaluates the signals of the individual sensors 1a-1j and initiates suitable measures as a function of the signals. For example, it is conceivable that the drive circuit sooner or later inhibits or slows down the closing operation as a function of the position of the signal-generating sensor 1a-1j.
  • a Arrangement according to FIG. 3 is connected with a higher integration effort and a more complex drive circuit, but can be produced by successive deposition steps of suitable materials and the automated application of the sensors 1a-1j together with their supply lines to relatively simple, minimizing the assembly effort.
  • FIG. 3 shows a cross-section through a door frame 21 forming the body with a sensor 1 mounted on the door frame 21.
  • the sensor 1 is arranged in the form of a thin layer on the door frame 21 and is partially covered by a component in the form of a seal 4 for sealing the window pane 3 is covered in the closed position.
  • the sensor 1 is firmly connected to the door frame 21 and conforms to its contour and can thus be produced on complex shaped, curved body areas. If an object is clamped between the window pane 3 and the door frame 21, pressure is applied to the sensor 1 at a point or in an area of the door frame 21 when using a pressure-sensitive sensor, a signal is generated by the sensor 1 and the closing process is interrupted.
  • the anti-trap device can be designed so that even an object that touches the sensor 1 only slightly or just approaches the sensor, the closing operation of the window glass 3 interrupts so as to react early on the risk of possible pinching.
  • tactile sensors or distance-sensitive sensors for example near-field radar systems can be used for this purpose, whose antennas are applied as patch antennas as shown in Fig. 3 conforming to the surface of the door frame.
  • the sensor 1 is designed as a pressure-sensitive piezoelectric sensor.
  • Fig. 4 shows a sectional view through a piezoelectric sensor 1, which has a piezoelectric layer 11 and two electrodes 12, 13 and is formed as a pressure sensor in the form of a pressure-sensitive layer.
  • the piezoelectric sensor 1 is applied to the body 2 of a vehicle and separated from the body 2 by means of an insulating layer 14.
  • piezoceramic materials For the production of the piezoelectric sensor 1, known piezoceramic materials can be used which are applied to the body 2 in a layered manner by deposition.
  • the piezoelectric layer 11 is covered on both sides at least partially with electrodes 12, 13.
  • an electrode 13 facing the body is first produced on an insulating layer 14, the piezoelectric layer 11 is deposited on the electrode 13 and then deposited on the electrode piezoelectric layer 11, the second electrode 12 produced. Due to the layered production of the piezoelectric sensor 1 is adapted in its shape of the body 2, is firmly connected to the body 2 and covers the body 2 uniform.
  • the lower electrode 13 may be formed by the body 2.
  • the insulating layer 14 and the body-facing electrode 13 can then be omitted, and the piezoelectric layer 11 is directly on the body 2 and is connected thereto.
  • the electrode formed by the body 2 is electrically at a ground potential.
  • the piezoelectric sensor 1 In order to make the piezoelectric sensor 1 as inconspicuous as possible to the outside, it can be coated with a lacquer layer and thereby also color matched to the body 2, without the functionality of the sensor 1 is impaired.

Landscapes

  • Power-Operated Mechanisms For Wings (AREA)
  • Window Of Vehicle (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
EP06090120A 2005-07-06 2006-06-26 Système de capteur pour un dispositif anti-pincement Withdrawn EP1741865A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202005011044U DE202005011044U1 (de) 2005-07-06 2005-07-06 Sensorsystem für eine Einklemmschutzvorrichtung

Publications (2)

Publication Number Publication Date
EP1741865A2 true EP1741865A2 (fr) 2007-01-10
EP1741865A3 EP1741865A3 (fr) 2009-08-26

Family

ID=37054436

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06090120A Withdrawn EP1741865A3 (fr) 2005-07-06 2006-06-26 Système de capteur pour un dispositif anti-pincement

Country Status (3)

Country Link
US (1) US20070007068A1 (fr)
EP (1) EP1741865A3 (fr)
DE (1) DE202005011044U1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103670125A (zh) * 2013-12-14 2014-03-26 中山菲柯特电子电器有限公司 一种电门自动升窗器
EP3392439A1 (fr) * 2017-04-21 2018-10-24 C.R.F. Società Consortile per Azioni Joints pour véhicules à moteur ayant un système de protection contre le coincement intégré

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Publication number Priority date Publication date Assignee Title
DE102008017246B4 (de) * 2008-04-04 2018-06-28 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Anordnung zur Aufprallerkennung
CN108698493B (zh) * 2016-02-29 2022-04-08 法拉第未来公司 门入口传感器

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103670125A (zh) * 2013-12-14 2014-03-26 中山菲柯特电子电器有限公司 一种电门自动升窗器
EP3392439A1 (fr) * 2017-04-21 2018-10-24 C.R.F. Società Consortile per Azioni Joints pour véhicules à moteur ayant un système de protection contre le coincement intégré
US10927582B2 (en) 2017-04-21 2021-02-23 C.R.F. Societa Consortile Per Azioni Motor-vehicle seal with integrated anti-pinching system

Also Published As

Publication number Publication date
EP1741865A3 (fr) 2009-08-26
US20070007068A1 (en) 2007-01-11
DE202005011044U1 (de) 2006-11-16

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