EP0556711B1 - Control device for controlling the closing of a motorized window panel, especially a window panel of a motor vehicle - Google Patents

Control device for controlling the closing of a motorized window panel, especially a window panel of a motor vehicle Download PDF

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Publication number
EP0556711B1
EP0556711B1 EP93102110A EP93102110A EP0556711B1 EP 0556711 B1 EP0556711 B1 EP 0556711B1 EP 93102110 A EP93102110 A EP 93102110A EP 93102110 A EP93102110 A EP 93102110A EP 0556711 B1 EP0556711 B1 EP 0556711B1
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EP
European Patent Office
Prior art keywords
window
receiver
light
door
motor vehicle
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
EP93102110A
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German (de)
French (fr)
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EP0556711A1 (en
Inventor
Rolf Herrmann
Gregor Aussendorf
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Hella GmbH and Co KGaA
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Hella KGaA Huek and Co
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Publication of EP0556711A1 publication Critical patent/EP0556711A1/en
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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
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E05F15/431—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound specially adapted for vehicle windows or roofs
    • 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
    • E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
    • E05F2015/434—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors
    • E05F2015/435—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors by interruption of the beam
    • E05F2015/436—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with cameras or optical sensors by interruption of the beam the beam being parallel to the wing edge
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40—Mounting location; Visibility of the elements
    • E05Y2600/45—Mounting location; Visibility of the elements in or on the fixed frame
    • 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 window system for monitoring the closing process of a motor-driven motor vehicle window pane in a motor vehicle door, with a motor-driven motor vehicle window pane, with a window opening inside the motor vehicle door, with a transmitter and a receiver for electromagnetic radiation, with at least one light-deflecting means which emits the electromagnetic radiation conducts from the transmitter to the receiver and in which the drive of the window pane is stopped or vice versa if the radiation intensity received by a receiver changes during the closing process of the window.
  • Such a window system is known from DE-A-28 21 681.
  • Such systems are known and are used to prevent the trapping of limbs or objects during the closing process of a motor-driven window.
  • DE-PS 31 07 847 proposes a device in which a light guide is attached along the closing edge of a window frame and guides a light beam from a transmitter to a receiver by means of total reflection. If this light guide, which is designed as an optical fiber bundle, is pressed together, for example because an object is jammed between the window and the window frame, the light intensity received by the receiver changes, whereupon the window drive is stopped or reversed.
  • the light guide be used form compressible, internally mirrored plastic tube.
  • Both embodiments have the disadvantage that a relatively complex and expensive light guide is required for the production of such a monitoring device.
  • the disadvantage is even more serious that the light guide must be deformed in order to respond to this monitoring device, so that the monitoring device only reacts after an object or a body part has already been pinched with a certain force.
  • pinching forces required to respond to the monitoring device are generally not too high, pinching is at least uncomfortable. A shock or panic reaction cannot be ruled out either. Pinching can even be damaging, for example if children's limbs are affected.
  • DE-A-28 21 681 describes a system with a motor-operated motor vehicle window, a radiation splitter being provided on the window frame, which distributes the light pulses emitted by a light transmitter to a plurality of light receivers.
  • the use of a second light transmitter or a light deflection device, which is arranged in the region of the radiation splitter is also proposed.
  • the beam path must be precisely adjusted when installing a spatially limited radiation splitter or light deflecting means, which is particularly time-consuming and expensive.
  • the object of the invention to create a window system which is particularly simple and inexpensive and which also avoids the disadvantages described above.
  • the window system should be able to influence the window pane drive before pinching takes place and, moreover, does not require any complex optical adjustment work during assembly.
  • the light-deflecting means is designed as a reflecting means, the reflecting means being designed as a metal sheet or a metal foil or as a reflective plastic layer or as a reflective lacquer layer and as part of the upper door pillar, or as part of the door interior trim, or arranged on the inner door panel extends along, at least in part, the upper edge area of the window opening.
  • Reflective means can be suitably designed flat or concave reflection surfaces, via which the electromagnetic radiation is guided from the transmitter to the receiver by means of single or multiple reflection.
  • the infrared light is guided to the receiver by the light-deflecting means along the upper edge region of the window opening. If an object or a body part reaches this area during the closing process of the window, only a reduced radiation intensity reaches the receiver, which then causes the pane movement to be stopped or reversed via control electronics.
  • a particular advantage of such an arrangement is that no light-guiding medium is used, the light-guiding properties of which are changed by an external force, as is the case, for. B. is the case with an optical fiber bundle or with a compressible, internally mirrored hose or tube.
  • the arrangement is also particularly simple and inexpensive since, despite the curved beam path, only one transmitter and receiver is required.
  • an area of the underside of the upper door spar can be designed as a reflective means, for example by polishing its surface and coating it with a reflective lacquer. This configuration is particularly advantageous in view of the low cost of materials.
  • a strip of metal foil or sheet metal can also be applied as a reflecting agent along the underside of the upper door spar.
  • Such a design offers the advantage that no special requirements have to be made of the shape of the door spar and that no subsequent shaping measures have to be carried out on it, since the specification of the light path is brought about by the shape of the applied reflecting agent and, for example, easily by bending it a sheet metal strip acting as a reflecting agent can take place.
  • the reflecting means is designed as part of a door interior trim.
  • the direction of reflection can be predefined in a simple manner by the shape of the door interior trim without the need to change the door frame.
  • the protective layer can, for. B. be formed as a dark infrared-transparent plastic film or as an infrared-transparent lacquer layer.
  • Such protective layers can also bring about an improvement in the aesthetic effect of the reflective agent, in particular if the reflective agent is in the form of a brightly polished metal surface.
  • FIG. 1 shows a schematic arrangement of the window system according to the invention
  • FIGS. 2 and 3 each show, in two exemplary embodiments, a section through the partial area of FIG. 1 identified by AA.
  • FIG. 1 shows the external view of a motor vehicle door which has a motor-operated window pane (1) and a monitoring device.
  • a reflective means (4) is attached to the inside of the door in a manner to be described.
  • An infrared radiation transmitter (2) or an infrared radiation receiver (3) is arranged on the door or embedded in the door on opposite sides of the upper edge region of the window opening.
  • At least part of the radiation intensity emitted by the transmitter (2) reaches the receiver (3) from the infrared transmitter (2) via single or multiple reflection.
  • a possible beam path is shown as an example in FIG.
  • FIGS. 2 and 3 show a cross section through the area marked A-A in FIG.
  • the reference numerals for the same or equivalent objects correspond to those in FIG. 1 below.
  • Figure 2 shows a cross section through the upper door spar (7).
  • the upper door spar (7) is one Rubber seal (10) fitted into which the motor-driven window pane (1) runs in during the closing process.
  • a flat area of the upper door handle (7) is used here as reflecting means (4).
  • the surface of the door bar plate has been polished in this area to achieve reflective properties. It is advantageous to provide this area of the door spar (7) with a protective cover (9).
  • a protective cover (9) For example, an infrared-transparent protective lacquer or an infrared-transparent film is suitable for this.
  • the door spar (7) can also be provided with a reflective lacquer layer. Polished metal foils or metal sheets which are applied to this area of the door spar (7) are also suitable as reflecting means (4). The shape of the applied metal foil or sheet can easily be used to specify the beam path from the transmitter (2) to the receiver (3).
  • FIG. 3 Another embodiment of the monitoring device according to the invention is shown in FIG. 3.
  • the upper door spar (7) is provided on the inside of the vehicle with an inner door panel (8).
  • the reflecting means (4) is formed here by a reflecting surface on the inside door panel (8).
  • the reflective surface which is applied at a suitable point on the door interior trim (8), can also be designed here as a reflective lacquer layer or as a polished metal foil or sheet metal.
  • a particular advantage of this embodiment can be seen in the fact that the adjustment of the light path by means of shaping measures, for example the door interior trim (8) can be done before the door lining (8) is attached to the door spar (7).
  • the assembly and adjustment of the reflecting means (4) can therefore advantageously take place independently of the assembly of the door frame.
  • the reflective surface (4) applied to the door interior trim (8) is also covered in this exemplary embodiment by a suitable protective layer (infrared-transparent plastic film or infrared-transparent protective lacquer or the like).
  • the beam path (11) of the light directed from the transmitter (2) to the receiver (3) is shown in a highly simplified manner.
  • different beam paths are possible, in particular depending on the shape of the reflecting means (4), in particular by means of multiple reflections. It is therefore advantageous to design the receiver (3) or the electronics connected to it in such a way that it does not react solely to a lack of light, but already to a reduction in the light intensity, so that the window drive is already influenced when a possible light path is interrupted.
  • the control circuits or the mechanical part of the window drive are well known, so that it can be omitted here.
  • the only advantageous measures to be proposed here are that the transmitter (2) is operated in pulsed mode and the receiver (3) should be provided with a tube in order to rule out interference from direct or scattered light and to further increase the sensitivity of the system.

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  • Power-Operated Mechanisms For Wings (AREA)
  • Window Of Vehicle (AREA)

Description

Die Erfindung betrifft ein Fenstersystem zur überwachung des Schließvorganges einer motorisch angetriebenen Kraftfahrzeugfensterscheibe in einer Kraftfahrzeugtür, mit einer motorisch angetriebenen Kraftfahrzeugfensterscheibe, mit einer Fensteröffnung innerhalb der Kraftfahrzeugtür, mit einem Sender und einem Empfänger für elektromagnetische Strahlung, mit mindestens einem lichtablenkenden Mittel, das die elektromagnetische Strahlung vom Sender zum Empfänger leitet und bei der der Antrieb der Fensterscheibe gestoppt oder umgekehrt wird, wenn sich während des Schließvorganges des Fensters die von einem Empfänger aufgenommene Strahlungsintensität ändert.The invention relates to a window system for monitoring the closing process of a motor-driven motor vehicle window pane in a motor vehicle door, with a motor-driven motor vehicle window pane, with a window opening inside the motor vehicle door, with a transmitter and a receiver for electromagnetic radiation, with at least one light-deflecting means which emits the electromagnetic radiation conducts from the transmitter to the receiver and in which the drive of the window pane is stopped or vice versa if the radiation intensity received by a receiver changes during the closing process of the window.

Ein derartiges Fenstersystem ist aus DE-A- 28 21 681 bekannt.Such a window system is known from DE-A-28 21 681.

Solche Systeme sind bekannt und dienen dazu, während des Schließvorganges eines motorisch angetriebenen Fensters das Einklemmen von Gliedmaßen oder von Gegenständen zu verhindern.Such systems are known and are used to prevent the trapping of limbs or objects during the closing process of a motor-driven window.

So wird beispielsweise in der DE-PS 31 07 847 eine Vorrichtung vorgeschlagen, bei der entlang der Schließkante eines Fensterrahmens ein Lichtleiter angebracht ist, der mittels Totalreflexion einen Lichtstrahl von einem Sender zu einem Empfänger leitet. Wird dieser als Lichtleiterfaserbündel ausgebildete Lichtleiter zusammengedrückt, etwa weil ein Gegenstand zwischen Fenster und Fensterrahmen eingeklemmt ist, so ändert sich die vom Empfänger aufgenommene Lichtintensität, woraufhin der Fensterantrieb gestoppt oder umgesteuert wird.For example, DE-PS 31 07 847 proposes a device in which a light guide is attached along the closing edge of a window frame and guides a light beam from a transmitter to a receiver by means of total reflection. If this light guide, which is designed as an optical fiber bundle, is pressed together, for example because an object is jammed between the window and the window frame, the light intensity received by the receiver changes, whereupon the window drive is stopped or reversed.

In einer weiteren in der DE 31 07 847 beschriebenen Ausführungsform wird vorgeschlagen, den Lichtleiter als zusammendrückbares, innenverspiegeltes Kunststoffrohr auszubilden.In a further embodiment described in DE 31 07 847, it is proposed that the light guide be used form compressible, internally mirrored plastic tube.

Beide Ausführungsformen weisen den Nachteil auf, daß für die Herstellung einer solchen überwachungsvorrichtung ein relativ aufwendig gestalteter und kostenintensiver Lichtleiter benötigt wird.Both embodiments have the disadvantage that a relatively complex and expensive light guide is required for the production of such a monitoring device.

Noch gravierender wirkt sich der Nachteil aus, daß zum Ansprechen dieser überwachungsvorrichtung der Lichtleiter deformiert werden muß, so daß die überwachungsvorrichtung erst dann reagiert, nachdem bereits ein Gegenstand oder ein Körperteil mit einer gewissen Kraft eingeklemmt wurde.The disadvantage is even more serious that the light guide must be deformed in order to respond to this monitoring device, so that the monitoring device only reacts after an object or a body part has already been pinched with a certain force.

Auch wenn die zum Ansprechen der überwachungsvorrichtung nötigen Einklemmkräfte im allgemeinen nicht allzu hoch sind, so ist ein Einklemmen zumindest unangenehm. Eine Schreck- oder Panikreaktion kann ebenfalls nicht ausgeschlossen werden. Ein Einklemmen kann sich sogar schädigend auswirken, beispielsweise wenn Körpergliedmaße von Kindern betroffen sind.Even if the pinching forces required to respond to the monitoring device are generally not too high, pinching is at least uncomfortable. A shock or panic reaction cannot be ruled out either. Pinching can even be damaging, for example if children's limbs are affected.

In der DE-A-28 21 681 wird ein System mit einem motorisch betriebenen Kraftfahrzeugfenster beschrieben, wobei am Fensterrahmen ein Strahlungsteiler vorgesehen ist, welcher die von einem Lichtsender abgegebenen Lichtimpulse auf mehrere Lichtempfänger verteilt.DE-A-28 21 681 describes a system with a motor-operated motor vehicle window, a radiation splitter being provided on the window frame, which distributes the light pulses emitted by a light transmitter to a plurality of light receivers.

Alternativ zum Strahlungsteiler wird auch der Einsatz eines zweiten Lichtsenders oder einer Lichtumlenkeinrichtung, der im Bereich des Strahlungsteilers angeordnet ist, vorgeschlagen.As an alternative to the radiation splitter, the use of a second light transmitter or a light deflection device, which is arranged in the region of the radiation splitter, is also proposed.

Hierdurch ist es möglich, auch den gekrümmten Randbereich einer Fensteröffnung zu überwachen, wobei aber ein relativ großer Aufwand an optischen Mitteln nötig ist, da entweder mehrere Lichtsender und/oder Lichtempfänger oder ein Strahlungsteiler oder eine Lichtumlenkeinrichtung benötigt wird.This makes it possible to monitor the curved edge area of a window opening, but a relatively large amount of optical means is necessary, since either several light transmitters and / or light receivers or one Radiation splitter or a light deflection device is required.

Nachteilig hierbei ist neben dem Kostenaufwand auch, daß für alle optischen Mittel geeignete Anbauorte gefunden werden müssen und daß dabei besonders der Strahlungsteiler oder die Lichtumlenkeinrichtung so anzuordnen sind, daß sie nicht störend oder im ästhetischen Sinne als Fremdkörper wirken.In addition to the cost, it is also disadvantageous that suitable mounting locations must be found for all optical means and that the radiation splitter or the light deflection device in particular must be arranged in such a way that they do not have a disturbing effect or, in an aesthetic sense, act as foreign bodies.

Besonders nachteilig ist auch, daß der Strahlengang beim Einbau eines räumlich begrenzten Strahlungsteilers oder Lichtumlenkmittels genau einjustiert werden muß, was besonders zeitaufwendig und teuer ist.It is also particularly disadvantageous that the beam path must be precisely adjusted when installing a spatially limited radiation splitter or light deflecting means, which is particularly time-consuming and expensive.

Es ist daher die Aufgabe der Erfindung, ein Fenstersystem zu schaffen, das besonders einfach und kostengünstig aufgebaut ist und zudem die zuvor beschriebenen Nachteile vermeidet. Insbesondere soll das Fenstersystem den Fensterscheibenantrieb beeinflussen können, bevor eine Einklemmung stattfindet und zudem bei der Montage keine aufwendigen optischen Justierarbeiten erfordern.It is therefore the object of the invention to create a window system which is particularly simple and inexpensive and which also avoids the disadvantages described above. In particular, the window system should be able to influence the window pane drive before pinching takes place and, moreover, does not require any complex optical adjustment work during assembly.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das lichtablenkende Mittel als reflektierendes Mittel ausgebildet ist, wobei das reflektierende Mittel als ein Metallblech oder eine Metallfolie oder als reflektierende Kusntstoffschicht oder als reflektierende Lackschicht ausgebildet ist und als Teil des oberen Türholmes, oder als Teil der Türinnenverkleidung, oder angeordnet auf der Türinnenverkleidung sich entlang, zumindest von Teilbereichen, des oberen Randbereichs der Fensteröffnung erstreckt.This object is achieved according to the invention in that the light-deflecting means is designed as a reflecting means, the reflecting means being designed as a metal sheet or a metal foil or as a reflective plastic layer or as a reflective lacquer layer and as part of the upper door pillar, or as part of the door interior trim, or arranged on the inner door panel extends along, at least in part, the upper edge area of the window opening.

Reflektierende Mittel können geeignet ausgestaltete ebene oder konkave Reflexionsflächen sein, über die die elektromagnetische Strahlung mittels ein- oder mehrfacher Reflexion vom Sender zum Empfänger geleitet wird.Reflective means can be suitably designed flat or concave reflection surfaces, via which the electromagnetic radiation is guided from the transmitter to the receiver by means of single or multiple reflection.

Hierdurch ist es auf besonders einfache Weise, beispielsweise mit nur einer einfachen aus einem Infrarotsender und einem Infrarotempfänger bestehenden Lichtschrankenanordnung möglich, den gesamten oberen Randbereich der Fensteröffnung zu überwachen. Das infrarote Licht wird hierzu durch das lichtablenkende Mittel entlang des oberen Randbereichs der Fensteröffnung zum Empfänger geleitet. Gelangt nun während des Schließvorganges des Fensters ein Gegenstand oder ein Körperteil in diesen Bereich, so gelangt nur noch eine verminderte Strahlungsintensität zum Empfänger, der daraufhin über eine Steuerelektronik ein Anhalten oder Umkehren der Scheibenbewegung bewirkt.This makes it possible to monitor the entire upper edge region of the window opening in a particularly simple manner, for example with only a simple light barrier arrangement consisting of an infrared transmitter and an infrared receiver. For this purpose, the infrared light is guided to the receiver by the light-deflecting means along the upper edge region of the window opening. If an object or a body part reaches this area during the closing process of the window, only a reduced radiation intensity reaches the receiver, which then causes the pane movement to be stopped or reversed via control electronics.

Ein besonderer Vorteil einer solchen Anordnung besteht darin, daß kein lichtleitendes Medium verwendet wird, dessen lichtleitende Eigenschaften durch eine äußere Krafteinwirkung verändert wird, wie es z. B. bei einem Lichtleiterfaserbündel oder bei einem zusammendrückbaren, innenverspiegelten Schlauch oder Rohr der Fall ist.A particular advantage of such an arrangement is that no light-guiding medium is used, the light-guiding properties of which are changed by an external force, as is the case, for. B. is the case with an optical fiber bundle or with a compressible, internally mirrored hose or tube.

Ein einklemmgefährdeter Gegenstand oder Körperteil kann also sensiert werden, ohne daß dieser vorher eingeklemmt wird. Auch ist die Anordnung besonders einfach und kostengünstig, da trotz des gekrümmten Strahlenganges nur ein Sender und Empfänger benötigt wird.An object or body part at risk of being pinched can thus be sensed without being pinched beforehand. The arrangement is also particularly simple and inexpensive since, despite the curved beam path, only one transmitter and receiver is required.

Für die Ausbildung des reflektierenden Mittels sind eine Reihe von vorteilhaften Varianten möglich.A number of advantageous variants are possible for the formation of the reflecting means.

So kann beispielsweise ein Bereich der Unterseite des oberen Türholms als reflektierendes Mittel ausgestaltet werden, beispielsweise indem dessen Oberfläche poliert und mit einem reflektierenden Lack überzogen wird. Diese Ausgestaltung ist besonders im Hinblick auf den geringen Materialaufwand günstig.For example, an area of the underside of the upper door spar can be designed as a reflective means, for example by polishing its surface and coating it with a reflective lacquer. This configuration is particularly advantageous in view of the low cost of materials.

Als reflektierendes Mittel kann ebenso ein Streifen Metallfolie oder Metallblech entlang der Unterseite des oberen Türholms aufgebracht werden. Eine solche Gestaltung bietet den Vorteil, daß keine besonderen Anforderungen an die Formgebung des Türholms gestellt werden müssen und daß an diesem auch keine nachträglichen Formgebungsmaßnahmen vorgenommen werden müssen, da die Vorgabe des Lichtweges durch die Formgebung des aufgebrachten reflektierenden Mittels bewirkt wird und beispielsweise leicht durch Zurechtbiegen eines als reflektierendes Mittel wirkenden Metallblechstreifen erfolgen kann.A strip of metal foil or sheet metal can also be applied as a reflecting agent along the underside of the upper door spar. Such a design offers the advantage that no special requirements have to be made of the shape of the door spar and that no subsequent shaping measures have to be carried out on it, since the specification of the light path is brought about by the shape of the applied reflecting agent and, for example, easily by bending it a sheet metal strip acting as a reflecting agent can take place.

Ein vergleichbarer Vorteil ergibt sich, wenn das reflektierende Mittel als Teil einer Türinnenverkleidung ausgebildet ist. Auch hier kann die Reflexionsrichtung auf einfache Weise durch die Formgebung der Türinnenverkleidung vorgegeben werden, ohne daß eine Veränderung des Türrahmens erforderlich ist.A comparable advantage results if the reflecting means is designed as part of a door interior trim. Here, too, the direction of reflection can be predefined in a simple manner by the shape of the door interior trim without the need to change the door frame.

In allen diesen Fällen ist es vorteilhaft, die als reflektierendes Mittel wirkende Oberfläche durch eine Schutzschicht beispielsweise gegen Zerkratzen zu schützen. Die Schutzschicht kann dabei z. B. als eine dunkle infrarotdurchlässige Kunststoffolie oder auch als infrarotdurchlässige Lackschicht ausgebildet sein.In all these cases, it is advantageous to protect the surface acting as a reflecting agent against scratching, for example, by a protective layer. The protective layer can, for. B. be formed as a dark infrared-transparent plastic film or as an infrared-transparent lacquer layer.

Solche Schutzschichten können auch, insbesondere wenn das reflektierende Mittel als blank polierte Metalloberfläche ausgeführt ist, eine Verbesserung der ästhetischen Wirkung des reflektierenden Mittels bewirken.Such protective layers can also bring about an improvement in the aesthetic effect of the reflective agent, in particular if the reflective agent is in the form of a brightly polished metal surface.

Zwei Ausführungsbeispiele für das erfindungsgemäße Fenstersystem sind in der Zeichnung dargestellt und werden im folgenden anhand der Zeichnung näher erläutert.Two exemplary embodiments of the window system according to the invention are shown in the drawing and are explained in more detail below with reference to the drawing.

Die Figur 1 zeigt eine schematische Anordnung des erfindungsgemäßen Fenstersystems,
die Figuren 2 und 3 zeigen in zwei Ausführungsbeispielen jeweils einen Schnitt durch den mit A-A gekennzeichneten Teilbereich der Figur 1.FIG. 1 shows a schematic arrangement of the window system according to the invention,
FIGS. 2 and 3 each show, in two exemplary embodiments, a section through the partial area of FIG. 1 identified by AA.

In der Figur 1 ist die Außenansicht einer Kraftfahrzeugtür, die eine motorisch betriebene Fensterscheibe (1) sowie eine überwachungsvorrichtung aufweist, dargestellt.FIG. 1 shows the external view of a motor vehicle door which has a motor-operated window pane (1) and a monitoring device.

Im Bereich des oberen Randes der Fensteröffnung (5) ist auf der Türinnenseite auf noch zu beschreibende Weise ein reflektierendes Mittel (4) angebracht.In the area of the upper edge of the window opening (5), a reflective means (4) is attached to the inside of the door in a manner to be described.

An jeweils gegenüberliegenden Seiten des oberen Randbereichs der Fensteröffnung ist ein Infrarotstrahlungssender (2) bzw. ein Infrarotstrahlungsempfänger (3) an der Tür angeordnet oder in die Tür eingelassen.An infrared radiation transmitter (2) or an infrared radiation receiver (3) is arranged on the door or embedded in the door on opposite sides of the upper edge region of the window opening.

Vom Infrarotsender (2) gelangt über einfache oder mehrfache Reflexion zumindest ein Teil der vom Sender (2) abgegebenen Strahlungsintensität zum Empfänger (3). In der Figur 1 ist beispielhaft ein möglicher Strahlenverlauf eingezeichnet.At least part of the radiation intensity emitted by the transmitter (2) reaches the receiver (3) from the infrared transmitter (2) via single or multiple reflection. A possible beam path is shown as an example in FIG.

Die Figuren 2 und 3 zeigen einen Querschnitt durch den in der Figur 1 mit A-A gekennzeichneten Bereich. Die Bezugszeichen für gleiche oder gleichwirkende Gegenstände entsprechen im folgenden denen der Figur 1.FIGS. 2 and 3 show a cross section through the area marked A-A in FIG. The reference numerals for the same or equivalent objects correspond to those in FIG. 1 below.

Die Figur 2 zeigt einen Querschnitt durch den oberen Türholm (7). In den oberen Türholm (7) ist eine Gummidichtung (10) eingepaßt, in welche die motorisch angetriebene Fensterscheibe (1) während des Schließvorgangs einläuft.Figure 2 shows a cross section through the upper door spar (7). In the upper door spar (7) is one Rubber seal (10) fitted into which the motor-driven window pane (1) runs in during the closing process.

Als reflektierendes Mittel (4) wird hier ein flächig ausgebildeter Bereich des oberen Türholmes (7) verwendet.A flat area of the upper door handle (7) is used here as reflecting means (4).

Zur Erzielung reflektierender Eigenschaften ist in diesem Bereich die Oberfläche des Türholmblechs poliert worden. Es ist vorteilhaft, diesen Bereich des Türholms (7) mit einer schützenden Abdeckung (9) zu versehen. Hierzu eignet sich beispielsweise ein infrarotdurchlässiger Schutzlack oder eine infrarotdurchlässige Folie.The surface of the door bar plate has been polished in this area to achieve reflective properties. It is advantageous to provide this area of the door spar (7) with a protective cover (9). For example, an infrared-transparent protective lacquer or an infrared-transparent film is suitable for this.

Anstatt den als reflektierendes Mittel (4) vorgesehenen Bereich des Türholms (7) zu polieren, kann der Türholm (7) auch mit einer reflektierenden Lackschicht versehen werden. Als reflektierende Mittel (4) eignen sich auch polierte Metallfolien oder Metallbleche, die auf diesen Bereich des Türholms (7) aufgebracht werden. Durch die Formgebung der aufgebrachten Metallfolie oder des aufgebrachten Metallbleches kann leicht der Strahlenverlauf vom Sender (2) zum Empfänger (3) vorgegeben werden.Instead of polishing the area of the door spar (7) provided as reflecting means (4), the door spar (7) can also be provided with a reflective lacquer layer. Polished metal foils or metal sheets which are applied to this area of the door spar (7) are also suitable as reflecting means (4). The shape of the applied metal foil or sheet can easily be used to specify the beam path from the transmitter (2) to the receiver (3).

Eine andere Ausführungsform der erfindungsgemäßen überwachungsvorrichtung zeigt die Figur 3. Bei dieser Ausführungsform ist der obere Türholm (7) an der Fahrzeuginnenseite mit einer Türinnenverkleidung (8) versehen. Das reflektierende Mittel (4) wird hier durch eine reflektierende Fläche an der Türinnenverkleidung (8) ausgebildet. Die reflektierende Fläche, die an geeigneter Stelle an der Türinnenverkleidung (8) aufgebracht ist, kann auch hier als reflektierende Lackschicht oder als polierte Metallfolie bzw. Metallblech ausgebildet sein. Ein besonderer Vorteil gerade dieser Ausführungsform ist darin zu sehen, daß die Einstellung des Lichtweges durch Formgebungsmaßnahmen beispielsweise der Türinnenverkleidung (8) schon vor dem Anfügen der Türinnenverkleidung (8) an den Türholm (7) erfolgen kann. Die Montage und Einstellung des reflektierenden Mittels (4) kann daher auf vorteilhafte Weise unabhängig von der Montage des Türrahmens erfolgen.Another embodiment of the monitoring device according to the invention is shown in FIG. 3. In this embodiment, the upper door spar (7) is provided on the inside of the vehicle with an inner door panel (8). The reflecting means (4) is formed here by a reflecting surface on the inside door panel (8). The reflective surface, which is applied at a suitable point on the door interior trim (8), can also be designed here as a reflective lacquer layer or as a polished metal foil or sheet metal. A particular advantage of this embodiment can be seen in the fact that the adjustment of the light path by means of shaping measures, for example the door interior trim (8) can be done before the door lining (8) is attached to the door spar (7). The assembly and adjustment of the reflecting means (4) can therefore advantageously take place independently of the assembly of the door frame.

Die auf die Türinnenverkleidung (8) aufgebrachte reflektierende Oberfläche (4) wird auch in diesem Ausführungsbeispiel durch eine geeignete Schutzschicht (infrarotdurchlässige Kunststoffolie oder infrarotdurchlässiger Schutzlack oder ähnliches) abgedeckt.The reflective surface (4) applied to the door interior trim (8) is also covered in this exemplary embodiment by a suitable protective layer (infrared-transparent plastic film or infrared-transparent protective lacquer or the like).

In der Figur 1 ist beispielhaft der Strahlenverlauf (11) des vom Sender (2) zum Empfänger (3) geleiteten Lichts stark vereinfacht dargestellt. Tatsächlich sind, insbesondere abhängig von der Formgebung des reflektierenden Mittels (4) verschiedene Strahlenwege und zwar insbesondere über Mehrfachreflexionen möglich. Vorteilhaft ist daher, den Empfänger (3) bzw. die damit verbundene Elektronik so auszulegen, daß sie nicht allein auf ein Ausbleiben, sondern bereits auf eine Verminderung der Lichtintensität reagiert, so daß eine Beeinflussung des Fensterantriebs schon bei Unterbrechung eines möglichen Lichtweges erfolgt.In FIG. 1, the beam path (11) of the light directed from the transmitter (2) to the receiver (3) is shown in a highly simplified manner. In fact, different beam paths are possible, in particular depending on the shape of the reflecting means (4), in particular by means of multiple reflections. It is therefore advantageous to design the receiver (3) or the electronics connected to it in such a way that it does not react solely to a lack of light, but already to a reduction in the light intensity, so that the window drive is already influenced when a possible light path is interrupted.

Umgekehrt ist es auch möglich, nur den direkt (also mittels einfacher Reflexion) vom Sender (2) zum Empfänger (3) geleiteten Lichtanteil zur überwachung zu benutzen. Hierdurch kann man die Anbringung reflektierender Mittel (4) auf einen kleineren Teilbereich des oberen Randes der Fensteröffnung (5) beschränken.Conversely, it is also possible to use only the light component which is directed directly (ie by means of simple reflection) from the transmitter (2) to the receiver (3) for monitoring. This allows the attachment of reflective means (4) to a smaller portion of the upper edge of the window opening (5).

Weitere zur überwachungseinrichtung gehörende Einrichtungen, wie z. B. die Steuerschaltungen oder der mechanische Teil des Fensterantriebs, sind ausreichend bekannt, so daß auf eine Darstellung hier verzichtet werden kann. Als vorteilhafte Maßnahmen sollen hier lediglich vorgeschlagen werden, daß der Sender (2) gepulst betrieben und der Empfänger (3) mit einem Tubus versehen werden sollte, um eine Störung durch Gleich- bzw. Streulicht auszuschließen und die Empfindlichkeit der Anlage weiter zu erhöhen.Other devices belonging to the monitoring device, such as. B. the control circuits or the mechanical part of the window drive are well known, so that it can be omitted here. The only advantageous measures to be proposed here are that the transmitter (2) is operated in pulsed mode and the receiver (3) should be provided with a tube in order to rule out interference from direct or scattered light and to further increase the sensitivity of the system.

Claims (6)

  1. A window system for monitoring the closure operation of a motor-driven motor vehicle window glass (1) in a motor vehicle door, having a motor-driven motor vehicle window glass, having a window aperture within the motor vehicle door, having a transmitter (2) and a receiver (3) for electromagnetic radiation, having at least one light-deflecting medium (4) which directs the electromagnetic radiation from the transmitter (2) to the receiver (3), and wherein the drive of the window glass (1) is stopped or reversed when the intensity of radiation picked up by a receiver (3) changes during the closure operation of the window, characterised in that the light-deflecting medium (4) is constructed as a reflecting surface, wherein the reflecting surface (4) is constructed as a metal sheet or a metal foil, or as a polished part of the door bar, or as a reflecting plastic layer or as a reflecting lacquer layer, and is applied to the upper door bar (7) or to the interior trim (8) of the door, and extends along at least portions of the upper edge region of the window aperture (5).
  2. A window system according to claim 1, characterised in that the reflecting medium (4) is produced as a flat or concave reflecting surface.
  3. A window system according to claim 1, characterised in that a protective layer (9) in the form of a radiation-transparent film or a radiation-transparent lacquer layer is applied to the light-deflecting medium (4).
  4. A window system according to claim 1, characterised in that the transmitter (2) and the receiver (3) are disposed in a housing.
  5. A window system according to claim 1, characterised in that pulsed infrared light is used as the electromagnetic radiation.
  6. A window system according to claim 1, characterised in that the receiver (3) is provided with a tubular body (6).
EP93102110A 1992-02-21 1993-02-11 Control device for controlling the closing of a motorized window panel, especially a window panel of a motor vehicle Expired - Lifetime EP0556711B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4205251A DE4205251A1 (en) 1992-02-21 1992-02-21 DEVICE FOR MONITORING THE CLOSING PROCESS OF A MOTOR-DRIVEN WINDOW WINDOW, IN PARTICULAR A MOTOR VEHICLE WINDOW WINDOW
DE4205251 1992-02-21

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EP0556711A1 EP0556711A1 (en) 1993-08-25
EP0556711B1 true EP0556711B1 (en) 1995-12-20

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EP93102110A Expired - Lifetime EP0556711B1 (en) 1992-02-21 1993-02-11 Control device for controlling the closing of a motorized window panel, especially a window panel of a motor vehicle

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US (1) US5326967A (en)
EP (1) EP0556711B1 (en)
DE (2) DE4205251A1 (en)

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EP0556711A1 (en) 1993-08-25
US5326967A (en) 1994-07-05
DE59301184D1 (en) 1996-02-01
DE4205251A1 (en) 1993-08-26

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