EP2512291A1 - Device and method for detecting a collision of a displaceable furniture part and an obstacle - Google Patents

Device and method for detecting a collision of a displaceable furniture part and an obstacle

Info

Publication number
EP2512291A1
EP2512291A1 EP10798304A EP10798304A EP2512291A1 EP 2512291 A1 EP2512291 A1 EP 2512291A1 EP 10798304 A EP10798304 A EP 10798304A EP 10798304 A EP10798304 A EP 10798304A EP 2512291 A1 EP2512291 A1 EP 2512291A1
Authority
EP
European Patent Office
Prior art keywords
sensor
furniture
furniture part
controller
collision
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.)
Granted
Application number
EP10798304A
Other languages
German (de)
French (fr)
Other versions
EP2512291B1 (en
Inventor
Stefan Lukas
Günter Mußbacher
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.)
Logicdata Electronic and Software Entwicklungs GmbH
Original Assignee
Logicdata Electronic and Software Entwicklungs GmbH
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 Logicdata Electronic and Software Entwicklungs GmbH filed Critical Logicdata Electronic and Software Entwicklungs GmbH
Publication of EP2512291A1 publication Critical patent/EP2512291A1/en
Application granted granted Critical
Publication of EP2512291B1 publication Critical patent/EP2512291B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B9/00—Tables with tops of variable height

Definitions

  • the invention relates to a device and a method for collision detection of a movable furniture component with an obstacle.
  • Furniture with a movable furniture portion are used in the living and working area but also in the medical field.
  • height-adjustable work and Schreibti ⁇ cal, work benches, nursing and care beds are called.
  • Bet ⁇ ten or lying with adjustable parts, such as head or foot, or furniture that support people with movement ⁇ restrictions when setting up, are examples of furniture with a movable furniture share.
  • the movable furniture component is usually non-manual, for example by means of a motor, relative to a fixed
  • Moving furniture moved may cause interference with obstacles, such as walls or objects, which may damage the furniture or obstruction. It is also critical if people or animals collide with the movable furniture, which can cause injuries, such as bruising. To reduce injury and mar ⁇ risk, it is necessary to detect a collision with an obstacle to access appropriate actions with a pause or, for example, the movement of bewegli ⁇ chen furniture share after hitting retract the movable furniture portion , A collision detection with anti-pinch protection is shown, for example, in AT 410626, are monitored in the engine characteristics in order to conclude from a collision. The collision detection via engine parameters limits the switching-technical effort, but is associated with only a limited sensitivity of the collision detection.
  • This apparatus comprises a controller for an on ⁇ drive device for the movable furniture part and a sensor having a first sensor area and a second sensor region, occurring between the first and second sensor field strength and / or relative movement is erutz- bar.
  • the first and second sensor portions are provided with first and second furniture parts, advantageously either the bewegli ⁇ chen or the fixed furniture portion, connectable.
  • first and second furniture parts advantageously either the bewegli ⁇ chen or the fixed furniture portion, connectable.
  • There is a mechanical connection between the sensor area and the furniture part so that a movement or deformation of the furniture part is transmitted to the sensor part.
  • the compound includes not only direct but also indirect Verbin ⁇ dung.
  • a connection can be achieved, for example, by screwing or gluing.
  • the furniture parts that are connected to the sensor areas deformed and / or moved relative to each other, for example, when a tabletop is pressed in ei ⁇ ner collision with an obstacle against their support.
  • the sensor is capable of sharing a passing on ⁇ in the collision deformation difference between the two furniture ⁇ to detect.
  • the one furniture part deformed relative to the other furniture part, so that between the first and second sensor area, a force and / or relative movement occurs, indicating the collision.
  • the controller is adapted to signal the drive device for the movable furniture component a movement change - for example, a movement stop or a change of direction - of the movable furniture part, if a collision has been detected. It is also possible to reduce the movement ⁇ speed.
  • the controller may be configured to control the drive device also in normal operation; that is, the controller initiates and controls the movement of the movable furniture portion in normal operation and causes a change in movement in the event of a collision.
  • the controller is configured to provide only a stop signal or a motion change signal. Such a control only intervenes in the event of a collision in the movement of the movable furniture part.
  • For the normal Operation would provide a further control component which controls the movement of the movable furniture portion in normal operation.
  • the first sensor area is connected to the controller.
  • the first sensor area can be connected to a furniture part when mounting the controller. It is only necessary to connect the second sensor area with another piece of furniture.
  • the senor is in the control integ ⁇ riert so that the first sensor portion is positioned within the housing of the control and protrudes only the second sensor area.
  • the sensor comprises a sensor body, which may be formed in one piece, which is associated with a simple construction of the sensor.
  • the sensor body serves as a support or envelope of the actual sensor element including modeling the esterification or detected motion and converts into an electrical sig nal ⁇ .
  • the sensor comprises a strain gauge as a sensor element, which is glued, for example, on a metal sensor body.
  • the first sensor area is win ⁇ Kelig, preferably essentially perpendicular arranged to two ⁇ th sensor area, so that the sensor regions are connectable with furniture parts that are arranged at an angle to each other.
  • a piece of furniture with a device described above comprises a first furniture part and a second furniture part, wherein the control with the first furniture part and the second sensor part are rich connected to the second furniture part.
  • the watei ⁇ le are advantageously either parts of the movable Mo ⁇ loaded or partly of fixed furniture component. It is also conceivable that the sensor is not integrated in the controller. One of the sensor areas would then be connected to the first furniture part and the other sensor area to the second furniture part.
  • the corresponding method for collision detection of a movable furniture component with an obstacle provides to detect a deformation difference and / or a relative movement between a first and a second furniture part. It is also conceivable to attach a plurality of sensors at different locations of the piece of furniture, for example different locations between the table frame and the table top.
  • FIG. 1 shows a table base, which is a table-up ⁇ bar
  • Figure 2 shows a detail of a highly mobile table with a controller and a sensor
  • FIG. 3 shows a detail of a controller with an integrated sensor which is mounted in a lift-up table
  • Figure 4 shows an embodiment of a sensor which is mounted on a furniture
  • Figures 5 to 7 show further embodiments of a sensor
  • Figure 1 shows a three-dimensional representation of exporting approximately ⁇ example of a table frame 1 for a height adjustable ⁇ cash table. For clarity was decided not to Dar ⁇ position a tabletop.
  • the table frame 1 has two legs 2 with fixed elements and in these extendable and retractable elements to adjust conditions 3 with interposed cross struts 4, on which rests the table top to adjust in height.
  • An on ⁇ driving device such as a motor in the legs 2, moves the extendable and retractable elements.
  • a controller 5 is positioned between the cross braces 4, a controller 5 is positioned.
  • the fixed furniture component includes the fixed members of the legs 2.
  • the BE ⁇ wegliche furniture portion comprises the extensible and retractable Ele ⁇ elements, the mounts 3, the cross bars 4, the controller 5 and the table top (not shown in Figure 1).
  • the controller 5 controls the drive device so that the extendable and retractable elements and thereby the supports 3 and cross struts 4 are moved.
  • the transmission of control signals from the controller 5 can be effected by means of cables, for example in or between the cross struts 4.
  • Figure 2 shows a section of an embodiment of a height-adjustable table with a table top 6, wel ⁇ cher on the supports 3 (not shown in Figure 2) and the cross braces 4 is mounted.
  • a device for collision detection comprises the controller 5 and a sensor 20 having a first sensor area 21 and a second sensor area 22.
  • the first sensor area 21 is fixedly connected to the controller 5.
  • the first sensor portion 21 is connected to the table top 6 by screwing the controller 5 to the table top 6.
  • the second sensor region 22 is screwed outside the control 5 to the crossbar 4 or another metal part of the table frame 1.
  • the sensor 20 can measure such deformation differences between Tischplat ⁇ te 6 and table frame. 1 By a collision of the table top 6 with an obstacle deforms in the Ver ⁇ relation to the table frame 1. This difference is detected by Sen ⁇ sor 20 and can be detected by an electronic evaluation system of the controller. 5 As soon as a signal is detected which indicates a collision, for example in that the force between the first and second sensor regions 21, 22 exceeds a predetermined threshold value, the controller 5 changes the previous movement of the movable furniture component, for example by stopping or stopping the movement In the opposite direction a movement takes place, so that the movable furniture part releases the obstacle or moves away from it.
  • the sensor 20 may be, for example, a simple metal angle with a strain gauge. Alternatively, a load cell may be provided with a strain gauge be. Since the sensor 20 is firmly connected to the controller 5, the controller 5 and the sensor 20 can be mounted in a simple manner and there is no additional Ver ⁇ cabling effort. An amplifier electronics can be integrated on the control board so that no additional electronics outside the control 5 is required. Since the sensor 20 does not measure the entire weight located on the table top, but only the force between the table top 6 and table frame 1 is measured, the table can be built in the usual way, for example rigidly, since the sensor 20 also has low relative forces and / or Deformations between the sensor areas 21, 22 detected.
  • Figure 3 shows a three-dimensional illustration of a detail section of an embodiment of a formerlyverstellba ⁇ ren table, the table top is not shown for clarity.
  • a controller 5 is arranged between the cross braces 4 of the table frame.
  • the sensor 20 is integrated in the controller 5, so that the first sensor area is arranged inside the housing of the controller 5.
  • the second sensor region 22 projects out and is fastened by means of a screw 7 to one of the cross braces 4.
  • the controller 5 is connected to the table top (not shown in FIG. 6), so that in this way also the first sensor area is connected to the table top.
  • the controller 5 signals the drive device (not shown in FIG. 3) to stop the movement or the direction of movement to change the movable furniture proportion.
  • the signaling may for example take place via a cable for transmission elekt ⁇ -driven or optical signals, which is connected to an interface 9 of the controller 5.
  • Figure 4 shows the attachment of a metal angle with a strain gauge 10, which serve as a sensor 20.
  • the metal angle serves as a sensor body on which the strain gauge ⁇ strip 10 is attached.
  • the metal bracket has a first tab, which is the first sensor portion 21, with a hole 8 for attachment and a second tab, which is the second Sen ⁇ sor Suite 22, with a hole 8 for attachment.
  • the strain gauge 10 may extend from one tab to the other over the angled region.
  • the second sensor region 22 is fastened to the transverse strut 4 by means of a screw 7.
  • the first sensor area 21 is fastened to the table top (not shown in FIG. 4).
  • the sensor 20 is not integrated in the controller 5 (not shown in FIG. 4). However, the sensor signal can be supplied to it via a cable (not shown in FIG. 4).
  • FIG. 5 shows a further exemplary embodiment of a sensor 20.
  • the strain gauge is not shown for the sake of clarity; it may for example be provided on an upper side of the sensor 20 or integrated in the sensor 20.
  • the sensor 20 is designed as a metal angle and comprises a planar, rectangular first sensor region 21 and a planar, rectangular second sensor region 22, between which a right or almost right angle is.
  • a sensor body can as an L-shaped plate of a Are punched metal plate and bent by one Abwin ⁇ none in its shape.
  • One of the sensor regions 21, 22 can be mounted on the tabletop, for example, and the other on a vertically arranged furniture part, for example, the cross brace. For mounting holes 8 in the sensor areas 21, 22 are provided.
  • Such a sensor 20 can be fixedly connected to the controller 5, for example by being screwed to the controller 5.
  • a sensor region can be fastened to the exterior of the control, for example screwed onto it, or be integrated inside the housing so that one of the sensor regions 21, 22 is outside the housing. However, it is also conceivable to mount this sensor 20 outside the controller and to transmit a sensor signal via a cable running for control.
  • the embodiment shown in Figure 6 shows a Sen ⁇ sor 20 having a first and second sensor area 21, 22 which are arranged at an angle to each other. In this mecanicsbei ⁇ game a connection region 23 between the first and second sensor region 21, 22 is arranged.
  • the first rich Sensorbe- 21 is arranged at an angle to a first edge of the connection area ⁇ 23rd
  • the second sensor region 22 is arranged win ⁇ kelig to a perpendicular edge of the connecting region 23.
  • Such a sensor body can be bent into its shape by bending it twice in an L-shaped plate.
  • the strain gauge (not shown in FIG. 6) may extend from the first sensor region 21 via the connection region 23 to the second sensor region 22, or extend only over one, for example, the Ardsbe ⁇ rich 23, or two of the areas 21, 22, 23.
  • FIG. 7 shows a further example of a sensor 20 with a first and a second sensor region 21, 22, between which a connection region 23 is provided.
  • a part of the second sensor region 24, adjacent to the connection region 23, is curved or arched in the shape of a circle segment, so that the second sensor region 22 is bendable, which facilitates assembly.

Landscapes

  • Tables And Desks Characterized By Structural Shape (AREA)
  • Instructional Devices (AREA)

Abstract

The invention relates to a device for detecting a collision of a displaceable furniture part and an obstacle, comprising a controller (5) for a drive device for the displaceable furniture part, and a sensor (20) having a first sensor range (21) and a second sensor range (22), wherein a force and/or a relative motion arising between the first and second sensor parts (21, 22) can be detected.

Description

Beschreibung description
Vorrichtung und Verfahren zur Kollisionserkennung eines beweglichen Möbelanteils mit einem Hindernis Apparatus and method for collision detection of a movable furniture portion with an obstacle
Die Erfindung betrifft eine Vorrichtung und ein Verfahren zur Kollisionserkennung eines beweglichen Möbelanteils mit einem Hindernis . Möbel mit einem beweglichen Möbelanteil werden im Wohn- und Arbeitsbereich aber auch im medizinischen Bereich verwendet. Als Beispiel seien höhenverstellbare Arbeits- und Schreibti¬ sche, Werkbänke, Kranken- und Pflegebetten genannt. Auch Bet¬ ten oder Liegen mit verstellbaren Teilen, beispielsweise Kopf- oder Fußteil, oder Möbel, die Menschen mit Bewegungs¬ einschränkungen beim Aufrichten unterstützen, sind Beispiele für Möbel mit einem beweglichen Möbelanteil. The invention relates to a device and a method for collision detection of a movable furniture component with an obstacle. Furniture with a movable furniture portion are used in the living and working area but also in the medical field. As an example height-adjustable work and Schreibti ¬ cal, work benches, nursing and care beds are called. Bet ¬ ten or lying with adjustable parts, such as head or foot, or furniture that support people with movement ¬ restrictions when setting up, are examples of furniture with a movable furniture share.
Der bewegliche Möbelanteil wird üblicherweise nicht-manuell, beispielsweise mittels eines Motors, relativ zu einem fixenThe movable furniture component is usually non-manual, for example by means of a motor, relative to a fixed
Möbelanteil bewegt. Bei der Bewegung des beweglichen Möbelanteils kann es zu Kollisionen mit Hindernissen, beispielsweise Wänden oder Gegenständen kommen, was zu einer Beschädigung des Möbels oder des Hindernisses führen kann. Kritisch ist auch wenn Personen oder Tiere mit dem beweglichen Möbelanteil kollidieren, was Verletzungen, beispielsweise Quetschungen, nach sich ziehen kann. Um das Verletzungs- und Beschädigungs¬ risiko zu verringern, ist es erforderlich, eine Kollision mit einem Hindernis zu detektieren, um geeignete Maßnahmen er- greifen zu können, beispielsweise die Bewegung des bewegli¬ chen Möbelanteils nach der Kollision zu unterbrechen oder den beweglichen Möbelanteil zurückzufahren. Ein Kollisionserkennung mit Einklemmschutz wird beispielsweise in der AT 410626 gezeigt, in der Motorkenngrößen überwacht werden, um daraus auf eine Kollision zu schließen. Die Kollisionserkennung über Motorkenngrößen begrenzt den schaltungs- technischen Aufwand, geht jedoch mit einer nur begrenzten Empfindlichkeit der Kollisionserkennung einher. Moving furniture moved. Moving the moving furniture may cause interference with obstacles, such as walls or objects, which may damage the furniture or obstruction. It is also critical if people or animals collide with the movable furniture, which can cause injuries, such as bruising. To reduce injury and mar ¬ risk, it is necessary to detect a collision with an obstacle to access appropriate actions with a pause or, for example, the movement of bewegli ¬ chen furniture share after hitting retract the movable furniture portion , A collision detection with anti-pinch protection is shown, for example, in AT 410626, are monitored in the engine characteristics in order to conclude from a collision. The collision detection via engine parameters limits the switching-technical effort, but is associated with only a limited sensitivity of the collision detection.
Alternative Kollisionserkennungs- oder Einklemmschutzmecha¬ nismen werden in der SE 516479, der WO 03/056976 AI, der EP 1704797 AI und der EP 1891872 AI gezeigt. Diese Mechanismen erfordern neben einer Steuerung zusätzliche Sensoren, also zusätzliche Hardware, was auch mit einem erhöhtem Montage- und Verkabelungsaufwand für die Sensoren einhergeht. Aufgabe der Erfindung ist es, eine alternative Kollisionser¬ kennung bereitzustellen. Alternative Kollisionserkennungs- or Einklemmschutzmecha ¬ mechanisms are shown in SE 516479, WO 03/056976 AI, EP 1704797 AI and EP 1891872 AI. These mechanisms require in addition to a controller additional sensors, so additional hardware, which is also associated with an increased installation and wiring costs for the sensors. The object of the invention is to provide an alternative Kollisionser ¬ recognition.
Die Aufgabe wird gelöst durch eine Vorrichtung zur Kollisi¬ onserkennung eines beweglichen Möbelanteils mit einem Hinder- nis. Diese Vorrichtung umfasst eine Steuerung für eine An¬ triebsvorrichtung für den beweglichen Möbelanteil und einen Sensor mit einem ersten Sensorbereich und einem zweiten Sensorbereich, wobei eine zwischen dem ersten und zweiten Sensorbereich auftretende Kraft und/oder Relativbewegung erfass- bar ist. The object is achieved by a device for Kollisi ¬ onserkennung a movable furniture share with a hindrance. This apparatus comprises a controller for an on ¬ drive device for the movable furniture part and a sensor having a first sensor area and a second sensor region, occurring between the first and second sensor field strength and / or relative movement is erfass- bar.
Die ersten und zweiten Sensorbereiche sind mit ersten und zweiten Möbelteilen, vorteilhafterweise entweder des bewegli¬ chen oder des fixen Möbelanteils, verbindbar. Zwischen Sen- sorbereich und Möbelteil besteht eine mechanische Verbindung, sodass eine Bewegung oder Verformung des Möbelteils auf das Sensorteil übertragen wird. Vorteilhafterweise ist zwischen Sensorbereich und Möbelteil keine oder nur eine geringe Rela- tivbewegung möglich. Es sei bemerkt, dass die Verbindung nicht nur eine direkte sondern auch eine mittelbare Verbin¬ dung umfasst. Eine Verbindung lässt sich beispielsweise durch Schrauben oder Kleben erreichen. The first and second sensor portions are provided with first and second furniture parts, advantageously either the bewegli ¬ chen or the fixed furniture portion, connectable. There is a mechanical connection between the sensor area and the furniture part so that a movement or deformation of the furniture part is transmitted to the sensor part. Advantageously, there is no or only a slight difference between the sensor area and the furniture part. possible. It should be noted that the compound includes not only direct but also indirect Verbin ¬ dung. A connection can be achieved, for example, by screwing or gluing.
Bei einer Kollision werden die Möbelteile, die mit den Sensorbereichen verbunden sind, relativ zueinander verformt und/oder bewegt, beispielsweise wenn eine Tischplatte bei ei¬ ner Kollision mit einem Hindernis gegen ihre Auflage gepresst wird. Der Sensor ist geeignet, einen bei der Kollision auf¬ tretenden Verformungsunterschied zwischen den beiden Möbel¬ teilen zu detektieren. Bei der Kollision verformt sich das eine Möbelteil relativ zum anderen Möbelteil, sodass auch zwischen dem ersten und zweiten Sensorbereich eine Kraft und/oder Relativbewegung auftritt, die die Kollision anzeigt. In a collision, the furniture parts that are connected to the sensor areas, deformed and / or moved relative to each other, for example, when a tabletop is pressed in ei ¬ ner collision with an obstacle against their support. The sensor is capable of sharing a passing on ¬ in the collision deformation difference between the two furniture ¬ to detect. In the collision, the one furniture part deformed relative to the other furniture part, so that between the first and second sensor area, a force and / or relative movement occurs, indicating the collision.
Die Steuerung ist geeignet der Antriebsvorrichtung für den beweglichen Möbelanteil eine Bewegungsänderung - beispielsweise einen Bewegungstopp oder eine Richtungsänderung - des beweglichen Möbelanteils zu signalisieren, wenn eine Kollision detektiert worden ist. Es ist auch denkbar die Bewegungs¬ geschwindigkeit zu reduzieren. The controller is adapted to signal the drive device for the movable furniture component a movement change - for example, a movement stop or a change of direction - of the movable furniture part, if a collision has been detected. It is also possible to reduce the movement ¬ speed.
Es sei bemerkt, dass die Steuerung ausgebildet sein kann die Antriebsvorrichtung auch im normalen Betreib zu steuern; das heißt die Steuerung initiiert und steuert die Bewegung des beweglichen Möbelanteils im normalen Betrieb und führt im Kollisionsfall eine Bewegungsänderung herbei. Alternativ ist die Steuerung ausgebildet lediglich ein Stoppsignal oder Bewegungsänderungssignal bereitzustellen. Eine derartige Steuerung greift lediglich im Kollisionsfall in die Bewegung des beweglichen Möbelanteils ein. Für den normalen Betrieb wäre eine weitere Steuerungskomponente vorzusehen, welche die Bewegung des beweglichen Möbelanteils im normalen Betrieb steuert. In einem Ausführungsbeispiel ist der erste Sensorbereich mit der Steuerung verbunden. Somit lässt sich der erste Sensorbereich beim Montieren der Steuerung an ein Möbelteil mit diesem verbinden. Es ist nur noch erforderlich, den zweiten Sensorbereich mit einem anderen Möbelteil zu verbinden. It should be noted that the controller may be configured to control the drive device also in normal operation; that is, the controller initiates and controls the movement of the movable furniture portion in normal operation and causes a change in movement in the event of a collision. Alternatively, the controller is configured to provide only a stop signal or a motion change signal. Such a control only intervenes in the event of a collision in the movement of the movable furniture part. For the normal Operation would provide a further control component which controls the movement of the movable furniture portion in normal operation. In one embodiment, the first sensor area is connected to the controller. Thus, the first sensor area can be connected to a furniture part when mounting the controller. It is only necessary to connect the second sensor area with another piece of furniture.
Vorteilhafterweise ist der Sensor in die Steuerung integ¬ riert, sodass der erste Sensorbereich innerhalb des Gehäuses der Steuerung positioniert ist und lediglich der zweite Sensorbereich herausragt. Advantageously, the sensor is in the control integ ¬ riert so that the first sensor portion is positioned within the housing of the control and protrudes only the second sensor area.
Der Sensor umfasst einen Sensorkörper, welcher einstückig ausgebildet sein kann, was mit einem einfachen Aufbau des Sensors einhergeht. Der Sensorkörper dient als Träger oder Umhüllung des eigentlichen Sensorelements, welches die Ver- formung oder Bewegung detektiert und in ein elektrisches Sig¬ nal wandelt. In einem Ausführungsbeispiel umfasst der Sensor einen Dehnungsmessstreifen als Sensorelement, welcher beispielsweise auf einen metallenen Sensorkörper aufgeklebt ist. In einem Ausführungsbeispiel ist der erste Sensorbereich win¬ kelig, vorzugsweise im Wesentlichen rechtwinkelig, zum zwei¬ ten Sensorbereich angeordnet, sodass die Sensorbereiche mit Möbelteilen verbindbar sind, die winkelig zueinander angeordnet sind. The sensor comprises a sensor body, which may be formed in one piece, which is associated with a simple construction of the sensor. The sensor body serves as a support or envelope of the actual sensor element including modeling the esterification or detected motion and converts into an electrical sig nal ¬. In one embodiment, the sensor comprises a strain gauge as a sensor element, which is glued, for example, on a metal sensor body. In one embodiment, the first sensor area is win ¬ Kelig, preferably essentially perpendicular arranged to two ¬ th sensor area, so that the sensor regions are connectable with furniture parts that are arranged at an angle to each other.
Ein Möbel mit einer oben beschriebenen Vorrichtung umfasst ein erstes Möbelteil und ein zweites Möbelteil, wobei die Steuerung mit dem ersten Möbelteil und der zweite Sensorbe- reich mit dem zweiten Möbelteil verbunden sind. Die Möbeltei¬ le sind vorteilhafterweise entweder Teile des beweglichen Mö¬ belanteils oder des fixen Möbelanteils. Es ist auch denkbar, dass der Sensor nicht in die Steuerung integriert ist. Einer der Sensorbereiche wäre dann mit dem ersten Möbelteil und der andere Sensorbereich mit dem zweiten Möbelteil verbunden. Das entsprechende Verfahren zur Kollisionserkennung eines beweglichen Möbelanteils mit einem Hindernis sieht vor einen Verformungsunterschied und/oder eine Relativbewegung zwischen einem ersten und einem zweiten Möbelteil zu detektieren. Es ist auch denkbar, mehrere Sensoren an unterschiedlichen Stellen des Möbelstücks, beispielsweise unterschiedlichen Stellen zwischen Tischgestell und Tischplatte, anzubringen. A piece of furniture with a device described above comprises a first furniture part and a second furniture part, wherein the control with the first furniture part and the second sensor part are rich connected to the second furniture part. The Möbeltei ¬ le are advantageously either parts of the movable Mo ¬ loaded or partly of fixed furniture component. It is also conceivable that the sensor is not integrated in the controller. One of the sensor areas would then be connected to the first furniture part and the other sensor area to the second furniture part. The corresponding method for collision detection of a movable furniture component with an obstacle provides to detect a deformation difference and / or a relative movement between a first and a second furniture part. It is also conceivable to attach a plurality of sensors at different locations of the piece of furniture, for example different locations between the table frame and the table top.
Weitere vorteilhafte Ausgestaltungen der Erfindung sind in den untergeordneten Patentansprüchen angegeben. Further advantageous embodiments of the invention are specified in the subordinate claims.
Nachfolgend wird die Erfindung unter Bezugnahme auf die Hereinafter, the invention with reference to the
Zeichnung anhand von Ausführungsbeispielen erklärt. Es zeigen: Drawing explained by means of embodiments. Show it:
Figur 1 ein Tischgestell, mit dem eine Tischplatte hochfahr¬ bar ist, Figur 2 einen Ausschnitt eines hochfahrbaren Tischs mit einer Steuerung und einem Sensor, Figur 3 einen Ausschnitt einer Steuerung mit einem integrierten Sensor, die in einem hochfahrbaren Tisch montiert ist, 1 shows a table base, which is a table-up ¬ bar, Figure 2 shows a detail of a highly mobile table with a controller and a sensor, FIG. 3 shows a detail of a controller with an integrated sensor which is mounted in a lift-up table,
Figur 4 zeigt ein Ausführungsbeispiel eines Sensors, der an einem Möbel montiert ist, und die Figuren 5 bis 7 zeigen weitere Ausführungsbeispiele eines Sensors . Figur 1 zeigt eine dreidimensionale Darstellung eines Ausfüh¬ rungsbeispiels eines Tischgestells 1 für einen höhenverstell¬ baren Tisch. Der Übersichtlichkeit halber wurde auf die Dar¬ stellung einer Tischplatte verzichtet. Das Tischgestell 1 hat zwei Beine 2 mit fixen Elementen und in diese aus- und einfahrbaren Elementen, um Auflagen 3 mit dazwischen angeordneten Querverstrebungen 4, auf denen die Tischplatte aufliegt, in ihrer Höhe zu verstellen. Eine An¬ triebsvorrichtung, beispielsweise ein Motor in den Beinen 2, bewegt die aus- und einfahrbaren Elemente. Zwischen den Querverstrebungen 4 ist eine Steuerung 5 positioniert. Der fixe Möbelanteil umfasst die fixen Elemente der Beine 2. Der be¬ wegliche Möbelanteil umfasst die aus- und einfahrbaren Ele¬ mente, die Auflagen 3, die Querverstrebungen 4, die Steuerung 5 und die Tischplatte (nicht dargestellt in Figur 1) . Figure 4 shows an embodiment of a sensor which is mounted on a furniture, and Figures 5 to 7 show further embodiments of a sensor. Figure 1 shows a three-dimensional representation of exporting approximately ¬ example of a table frame 1 for a height adjustable ¬ cash table. For clarity was decided not to Dar ¬ position a tabletop. The table frame 1 has two legs 2 with fixed elements and in these extendable and retractable elements to adjust conditions 3 with interposed cross struts 4, on which rests the table top to adjust in height. An on ¬ driving device, such as a motor in the legs 2, moves the extendable and retractable elements. Between the cross braces 4, a controller 5 is positioned. The fixed furniture component includes the fixed members of the legs 2. The BE ¬ wegliche furniture portion comprises the extensible and retractable Ele ¬ elements, the mounts 3, the cross bars 4, the controller 5 and the table top (not shown in Figure 1).
Die Steuerung 5 steuert die Antriebsvorrichtung an, sodass die aus- und einfahrbaren Elemente und dadurch die Auflagen 3 und Querverstrebungen 4 bewegt werden. Die Übertragung von Steuersignalen von der Steuerung 5 kann mittels Kabeln, beispielsweise in oder zwischen den Querverstrebungen 4, erfolgen . Figur 2 zeigt einen Ausschnitt aus einem Ausführungsbeispiel eines höhenverstellbaren Tischs mit einer Tischplatte 6, wel¬ cher auf den Auflagen 3 (nicht dargestellt in Figur 2) und den Querverstrebungen 4 montiert ist. Eine Vorrichtung zur Kollisionserkennung umfasst die Steuerung 5 sowie einen Sensor 20 mit einem ersten Sensorbereich 21 und einem zweiten Sensorbereich 22. Der erste Sensorbereich 21 ist fest mit der Steuerung 5 verbunden. Der erste Sensorbereich 21 wird mit der Tischplatte 6 verbunden, indem die Steuerung 5 an die Tischplatte 6 geschraubt wird. Der zweite Sensorbereich 22 wird außerhalb der Steuerung 5 an die Querverstrebung 4 oder ein anderes Metallteil des Tischgestells 1 geschraubt. Der Sensor 20 kann so Verformungsunterschiede zwischen Tischplat¬ te 6 und Tischgestell 1 messen. Durch eine Kollision der Tischplatte 6 mit einem Hindernis verformt diese sich im Ver¬ hältnis zum Tischgestell 1. Dieser Unterschied wird vom Sen¬ sor 20 erfasst und kann von einer Auswerteelektronik der Steuerung 5 detektiert werden. Sobald ein Signal detektiert wird, das auf eine Kollision schließen lässt, beispielsweise indem die Kraft zwischen dem ersten und zweiten Sensorbereich 21, 22 einen vorgegebenen Schwellwert übersteigt, verändert die Steuerung 5 die bisherige Bewegung des beweglichen Möbelanteil, beispielsweise indem die Bewegung gestoppt wird oder in umgekehrter Richtung eine Bewegung erfolgt, sodass der be- wegliche Möbelanteil das Hindernis freigibt beziehungsweise von diesem wegfährt. The controller 5 controls the drive device so that the extendable and retractable elements and thereby the supports 3 and cross struts 4 are moved. The transmission of control signals from the controller 5 can be effected by means of cables, for example in or between the cross struts 4. Figure 2 shows a section of an embodiment of a height-adjustable table with a table top 6, wel ¬ cher on the supports 3 (not shown in Figure 2) and the cross braces 4 is mounted. A device for collision detection comprises the controller 5 and a sensor 20 having a first sensor area 21 and a second sensor area 22. The first sensor area 21 is fixedly connected to the controller 5. The first sensor portion 21 is connected to the table top 6 by screwing the controller 5 to the table top 6. The second sensor region 22 is screwed outside the control 5 to the crossbar 4 or another metal part of the table frame 1. The sensor 20 can measure such deformation differences between Tischplat ¬ te 6 and table frame. 1 By a collision of the table top 6 with an obstacle deforms in the Ver ¬ relation to the table frame 1. This difference is detected by Sen ¬ sor 20 and can be detected by an electronic evaluation system of the controller. 5 As soon as a signal is detected which indicates a collision, for example in that the force between the first and second sensor regions 21, 22 exceeds a predetermined threshold value, the controller 5 changes the previous movement of the movable furniture component, for example by stopping or stopping the movement In the opposite direction a movement takes place, so that the movable furniture part releases the obstacle or moves away from it.
Diese Vorrichtung zur Kollisionserkennung geht mit einem niedrigen Aufwand und damit verbundenen niedrigen Kosten durch den einfach aufgebauten Sensor 20 einher. Bei dem Sensor 20 kann es sich beispielsweise um einen einfachen Metallwinkel mit einem Dehnungsmessstreifen handeln. Alternativ kann eine Wägezelle mit einem Dehnungsmessstreifen vorgesehen sein. Da der Sensor 20 fest mit der Steuerung 5 verbunden ist, können die Steuerung 5 und der Sensor 20 in einfacher Weise montiert werden und es entsteht kein zusätzlicher Ver¬ kabelungsaufwand. Eine Verstärkerelektronik kann auf der Steuerplatine integriert werden, sodass keine zusätzliche E- lektronik außerhalb der Steuerung 5 erforderlich ist. Da der Sensor 20 nicht das gesamte auf der Tischplatte befindliche Gewicht misst, sondern lediglich die Kraft zwischen Tischplatte 6 und Tischgestell 1 gemessen wird, kann der Tisch in üblicher Weise, beispielsweise starr, gebaut werden, da der Sensor 20 auch geringe Relativkräfte und/oder Verformungen zwischen den Sensorbereichen 21, 22 detektiert. This device for collision detection is associated with a low cost and associated low costs by the simple design sensor 20. The sensor 20 may be, for example, a simple metal angle with a strain gauge. Alternatively, a load cell may be provided with a strain gauge be. Since the sensor 20 is firmly connected to the controller 5, the controller 5 and the sensor 20 can be mounted in a simple manner and there is no additional Ver ¬ cabling effort. An amplifier electronics can be integrated on the control board so that no additional electronics outside the control 5 is required. Since the sensor 20 does not measure the entire weight located on the table top, but only the force between the table top 6 and table frame 1 is measured, the table can be built in the usual way, for example rigidly, since the sensor 20 also has low relative forces and / or Deformations between the sensor areas 21, 22 detected.
Figur 3 zeigt eine dreidimensionale Darstellung eines Aus- Schnitts aus einem Ausführungsbeispiel eines höhenverstellba¬ ren Tischs, dessen Tischplatte der Übersichtlichkeit halber nicht dargestellt ist. Figure 3 shows a three-dimensional illustration of a detail section of an embodiment of a höhenverstellba ¬ ren table, the table top is not shown for clarity.
Zwischen den Querverstrebungen 4 des Tischgestells ist eine Steuerung 5 angeordnet. Der Sensor 20 ist in die Steuerung 5 integriert, sodass der erste Sensorbereich im Gehäuseinneren der Steuerung 5 angeordnet ist. Der zweite Sensorbereich 22 ragt heraus und ist mittels einer Schraube 7 an einer der Querverstrebungen 4 befestigt. Die Steuerung 5 ist mit der Tischplatte (in Figur 6 nicht dargestellt) verbunden, sodass auf diese Weise auch der erste Sensorbereich mit der Tischplatte verbunden ist. Between the cross braces 4 of the table frame, a controller 5 is arranged. The sensor 20 is integrated in the controller 5, so that the first sensor area is arranged inside the housing of the controller 5. The second sensor region 22 projects out and is fastened by means of a screw 7 to one of the cross braces 4. The controller 5 is connected to the table top (not shown in FIG. 6), so that in this way also the first sensor area is connected to the table top.
Bei einer Kollision mit einem Hindernis wird eine zwischen dem ersten und zweiten Sensorbereich 21, 22 auftretende Kraft und/oder Relativbewegung detektiert und die Steuerung 5 signalisiert der Antriebseinrichtung (in Figur 3 nicht dargestellt) , die Bewegung zu stoppen oder die Bewegungsrichtung des beweglichen Möbelanteils zu verändern. Die Signalisierung kann beispielsweise über ein Kabel für die Übertragung elekt¬ rischer oder optischer Signale, das mit einer Schnittstelle 9 der Steuerung 5 verbunden ist, erfolgen. In the event of a collision with an obstacle, a force and / or relative movement occurring between the first and second sensor regions 21, 22 is detected and the controller 5 signals the drive device (not shown in FIG. 3) to stop the movement or the direction of movement to change the movable furniture proportion. The signaling may for example take place via a cable for transmission elekt ¬-driven or optical signals, which is connected to an interface 9 of the controller 5.
Figur 4 zeigt die Befestigung eines Metallwinkels mit einem Dehnungsmessstreifen 10, welche als Sensor 20 dienen. Der Metallwinkel dient als Sensorkörper, auf dem der Dehnungsmess¬ streifen 10 befestigt ist. Der Metallwinkel hat eine erste Lasche, die der erste Sensorbereich 21 ist, mit einem Loch 8 zur Befestigung und eine zweite Lasche, die der zweite Sen¬ sorbereich 22 ist, mit einem Loch 8 zur Befestigung. Der Dehnungsmessstreifen 10 kann sich von der einen zur anderen Lasche über den gewinkelten Bereich verlaufend erstrecken. Der zweite Sensorbereich 22 wird an der Querverstrebung 4 mittels einer Schraube 7 befestigt. Der erste Sensorbereich 21 wird an der Tischplatte (in Figur 4 nicht dargestellt) befestigt. In diesem Ausführungsbeispiel ist der Sensor 20 nicht in die Steuerung 5 (in Figur 4 nicht dargestellt) integriert. Das Sensorsignal kann dieser jedoch über ein Kabel (in Figur 4 nicht dargestellt) zugeführt werden. Figure 4 shows the attachment of a metal angle with a strain gauge 10, which serve as a sensor 20. The metal angle serves as a sensor body on which the strain gauge ¬ strip 10 is attached. The metal bracket has a first tab, which is the first sensor portion 21, with a hole 8 for attachment and a second tab, which is the second Sen ¬ sorbereich 22, with a hole 8 for attachment. The strain gauge 10 may extend from one tab to the other over the angled region. The second sensor region 22 is fastened to the transverse strut 4 by means of a screw 7. The first sensor area 21 is fastened to the table top (not shown in FIG. 4). In this embodiment, the sensor 20 is not integrated in the controller 5 (not shown in FIG. 4). However, the sensor signal can be supplied to it via a cable (not shown in FIG. 4).
Figur 5 zeigt ein weiteres Ausführungsbeispiel eines Sensors 20. In diesem Ausführungsbeispiel ist der Dehnungsmessstrei- fen der Übersichtlichkeit halber nicht dargestellt; er kann beispielsweise auf einer Oberseite des Sensors 20 vorgesehen oder im Sensor 20 integriert sein. FIG. 5 shows a further exemplary embodiment of a sensor 20. In this exemplary embodiment, the strain gauge is not shown for the sake of clarity; it may for example be provided on an upper side of the sensor 20 or integrated in the sensor 20.
Der Sensor 20 ist als Metallwinkel ausgebildet und umfasst einen flächigen, rechteckigen ersten Sensorbereich 21 und einen flächigen, rechteckigen zweiten Sensorbereich 22, zwischen denen ein rechter oder nahezu rechter Winkel ist. Ein derartiger Sensorkörper kann als L-förmige Platte aus einer Metallplatte ausgestanzt werden und durch einmaliges Abwin¬ kein in seine Form gebogen werden. Einer der Sensorbereiche 21, 22 kann beispielsweise an der Tischplatte und der andere an einem dazu senkrecht angeordneten Möbelteil, beispielswei- se der Querverstrebung, montiert werden. Für die Montage sind Löcher 8 in den Sensorbereichen 21, 22 vorgesehen. Es ist jedoch auch denkbar, den Sensor 20 in anderer Weise mit den Möbelteilen zu verbinden, beispielsweise durch Kleben. Ein derartiger Sensor 20 kann fest mit der Steuerung 5 verbunden werden, beispielsweise indem er mit der Steuerung 5 verschraubt wird. Ein Sensorbereich kann am Steuerungsäußeren befestigt sein, beispielsweise auf diesem angeschraubt sein, oder im Gehäuseinneren integriert sein, sodass einer der Sen- sorbereiche 21, 22 außerhalb des Gehäuses ist. Es ist aber auch denkbar, diesen Sensor 20 außerhalb der Steuerung zu montieren und ein Sensorsignal über ein zur Steuerung laufendes Kabel zu übertragen. Das in Figur 6 gezeigte Ausführungsbeispiel zeigt einen Sen¬ sor 20 mit einem ersten und zweiten Sensorbereich 21, 22, die winklig zueinander angeordnet sind. In diesem Ausführungsbei¬ spiel ist ein Verbindungsbereich 23 zwischen dem ersten und zweiten Sensorbereich 21, 22 angeordnet. Der erste Sensorbe- reich 21 ist winkelig zu einer ersten Kante des Verbindungs¬ bereichs 23 angeordnet. Der zweite Sensorbereich 22 ist win¬ kelig zu einer dazu senkrechten Kante des Verbindungsbereichs 23 angeordnet. Ein derartiger Sensorkörper kann durch zweimaliges Abwinkein einer L-förmigen Platte in seine Form gebogen werden. Der Dehnungsmessstreifen (in Figur 6 nicht dargestellt) kann vom ersten Sensorbereich 21 über den Verbindungsbereich 23 zum zweiten Sensorbereich 22 verlaufen, oder sich lediglich über einen, beispielsweise den Verbindungsbe¬ reich 23, oder zwei der Bereiche 21, 22, 23 erstrecken. The sensor 20 is designed as a metal angle and comprises a planar, rectangular first sensor region 21 and a planar, rectangular second sensor region 22, between which a right or almost right angle is. Such a sensor body can as an L-shaped plate of a Are punched metal plate and bent by one Abwin ¬ none in its shape. One of the sensor regions 21, 22 can be mounted on the tabletop, for example, and the other on a vertically arranged furniture part, for example, the cross brace. For mounting holes 8 in the sensor areas 21, 22 are provided. However, it is also conceivable to connect the sensor 20 in a different way with the furniture parts, for example by gluing. Such a sensor 20 can be fixedly connected to the controller 5, for example by being screwed to the controller 5. A sensor region can be fastened to the exterior of the control, for example screwed onto it, or be integrated inside the housing so that one of the sensor regions 21, 22 is outside the housing. However, it is also conceivable to mount this sensor 20 outside the controller and to transmit a sensor signal via a cable running for control. The embodiment shown in Figure 6 shows a Sen ¬ sor 20 having a first and second sensor area 21, 22 which are arranged at an angle to each other. In this Ausführungsbei ¬ game a connection region 23 between the first and second sensor region 21, 22 is arranged. The first rich Sensorbe- 21 is arranged at an angle to a first edge of the connection area ¬ 23rd The second sensor region 22 is arranged win ¬ kelig to a perpendicular edge of the connecting region 23. Such a sensor body can be bent into its shape by bending it twice in an L-shaped plate. The strain gauge (not shown in FIG. 6) may extend from the first sensor region 21 via the connection region 23 to the second sensor region 22, or extend only over one, for example, the Verbindungsbe ¬ rich 23, or two of the areas 21, 22, 23.
Figur 7 zeigt ein weiteres Beispiel eines Sensors 20 mit ei- nem ersten und zweiten Sensorbereich 21, 22, zwischen denen ein Verbindungsbereich 23 vorgesehen ist. Ein Teil des zweiten Sensorbereichs 24, benachbart zum Verbindungsbereich 23, ist kreissegmentförmig gebogen oder gewölbt, sodass der zweite Sensorbereich 22 biegbar ist, was die Montage erleichtert. FIG. 7 shows a further example of a sensor 20 with a first and a second sensor region 21, 22, between which a connection region 23 is provided. A part of the second sensor region 24, adjacent to the connection region 23, is curved or arched in the shape of a circle segment, so that the second sensor region 22 is bendable, which facilitates assembly.
Es sei bemerkt, dass die Merkmale der Ausführungsbeispiele miteinander kombinierbar sind. It should be noted that the features of the embodiments can be combined with each other.
Bezugs zeichen Reference sign
1 Tischgestell 1 table frame
2 Bein  2 leg
3 Auflage  3. Edition
4 Querverstrebung 4 cross bracing
5 Steuerung 5 control
6 Tischplatte  6 table top
7 Schraube  7 screw
8 Loch  8 holes
9 Schnittstelle  9 interface
10 Dehnungsmessstreifen 10 strain gauges
20 Sensor 20 sensor
21 erster Sensorbereich 21 first sensor area
22 zweiter Sensorbereich22 second sensor area
23 Verbindungsbereich23 connection area
24 gewölbter Bereich 24 arched area

Claims

Patentansprüche claims
1. Vorrichtung zur Kollisionserkennung eines beweglichen Möbelanteils mit einem Hindernis umfassend 1. Apparatus for collision detection of a movable furniture component comprising an obstacle
- eine Steuerung (5) für eine Antriebsvorrichtung für den beweglichen Möbelanteil und  - A controller (5) for a drive device for the movable furniture component and
- einen Sensor (20) mit einem ersten Sensorbereich (21) und einem zweiten Sensorbereich (22), wobei eine zwischen dem ersten und zweiten Sensorbereich (21, 22) auftretende Kraft und/oder Relativbewegung erfassbar sind.  - A sensor (20) having a first sensor region (21) and a second sensor region (22), wherein between the first and second sensor region (21, 22) occurring force and / or relative movement can be detected.
2. Vorrichtung nach Anspruch 1, wobei der erste Sensorbereich2. Device according to claim 1, wherein the first sensor area
(21) mit der Steuerung (5) verbunden ist. (21) is connected to the controller (5).
3. Vorrichtung nach Anspruch 1 oder 2, wobei der Sensor (20) in die Steuerung (5) zumindest teilweise integriert ist. 3. Apparatus according to claim 1 or 2, wherein the sensor (20) in the controller (5) is at least partially integrated.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, wobei der erste Sensorbereich (21) und/oder der zweite Sensorbereich4. Device according to one of claims 1 to 3, wherein the first sensor area (21) and / or the second sensor area
(22) mit einem Möbelteil (4) verbindbar sind. (22) with a furniture part (4) are connectable.
5. Vorrichtung nach einem der Ansprüche 1 bis 4, wobei der Sensor (20) einen metallenen Sensorkörper umfasst. 5. Device according to one of claims 1 to 4, wherein the sensor (20) comprises a metal sensor body.
6. Vorrichtung nach einem der Ansprüche 1 bis 5, wobei der Sensor (20) einen einstückigen Sensorkörper umfasst. 6. Device according to one of claims 1 to 5, wherein the sensor (20) comprises a one-piece sensor body.
7. Verrichtung nach einem der Ansprüche 1 bis 6, wobei der erste Sensorbereich (21) winkelig zum zweiten Sensorbereich (23) angeordnet ist. 7. Device according to one of claims 1 to 6, wherein the first sensor region (21) is arranged at an angle to the second sensor region (23).
8. Vorrichtung nach einem der Ansprüche 1 bis 7, wobei der Sensor (20) einen Dehnungsmessstreifen (10) umfasst. 8. Device according to one of claims 1 to 7, wherein the sensor (20) comprises a strain gauge (10).
9. Möbel mit einer Vorrichtung nach einem der Ansprüche 1 bis 8, ferner umfassend ein erstes Möbelteil (6) und ein zweites9. Furniture with a device according to one of claims 1 to 8, further comprising a first furniture part (6) and a second
Möbelteil (4), wobei einer der Sensorbereiche (21, 22) mit dem ersten Möbelteil (6) und der andere Sensorbereich (21, 22) mit dem zweiten Möbelteil (4) verbunden ist. Furniture part (4), wherein one of the sensor areas (21, 22) with the first furniture part (6) and the other sensor area (21, 22) with the second furniture part (4) is connected.
10. Möbel mit einer Vorrichtung nach einem der Ansprüche 2 bis 8, ferner umfassend ein erstes Möbelteil (6) und ein zweites Möbelteil (4), wobei die Steuerung (5) mit dem ersten Möbelteil (6) und zweite Sensorbereich (22) mit dem zweiten Möbelteil (4) verbunden ist. 10. Furniture with a device according to one of claims 2 to 8, further comprising a first furniture part (6) and a second furniture part (4), wherein the controller (5) with the first furniture part (6) and second sensor area (22) the second furniture part (4) is connected.
11. Möbel nach Anspruch 9 oder 10, wobei das erste Möbelteil eine Tischplatte ist. 11. Furniture according to claim 9 or 10, wherein the first furniture part is a table top.
12. Möbel nach einem der Ansprüche 9 bis 11, wobei das zweite Möbelteil ein Tischgestell ist. 12. Furniture according to any one of claims 9 to 11, wherein the second furniture part is a table frame.
13. Verfahren zur Kollisionserkennung eines beweglichen Möbelanteils mit einem Hindernis, das umfasst einen Verfor¬ mungsunterschied und/oder eine Relativbewegung zwischen einem ersten und einem zweiten Möbelteil (4, 6) zu detektieren. 13. A method for collision detection of a movable furniture portion with an obstacle comprising a Verfor ¬ tion difference and / or a relative movement between a first and a second furniture part (4, 6) to detect.
EP10798304.1A 2009-12-16 2010-12-16 Device and method for collision recognicion of movable furniture element with an obstacle Active EP2512291B1 (en)

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DE102009058422A1 (en) 2011-06-22
US20120247228A1 (en) 2012-10-04

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