EP1694162A1 - Displaceable piece of furniture - Google Patents

Displaceable piece of furniture

Info

Publication number
EP1694162A1
EP1694162A1 EP04789565A EP04789565A EP1694162A1 EP 1694162 A1 EP1694162 A1 EP 1694162A1 EP 04789565 A EP04789565 A EP 04789565A EP 04789565 A EP04789565 A EP 04789565A EP 1694162 A1 EP1694162 A1 EP 1694162A1
Authority
EP
European Patent Office
Prior art keywords
furniture part
movable furniture
evaluation unit
outer panel
furniture
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
EP04789565A
Other languages
German (de)
French (fr)
Other versions
EP1694162B1 (en
Inventor
Edgar Huber
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.)
Julius Blum GmbH
Original Assignee
Julius Blum 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 Julius Blum GmbH filed Critical Julius Blum GmbH
Publication of EP1694162A1 publication Critical patent/EP1694162A1/en
Application granted granted Critical
Publication of EP1694162B1 publication Critical patent/EP1694162B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • 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
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/457—Actuated drawers operated by electrically-powered actuation means
    • 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
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • 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
    • E05F15/70—Power-operated mechanisms for wings with automatic actuation
    • E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
    • E05F15/75—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects responsive to the weight or other physical contact of a person or object
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10—Electronic control
    • E05Y2400/44—Sensors therefore
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2400/00—Electronic control; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/80—User interfaces
    • E05Y2400/85—User input means
    • E05Y2400/852—Sensors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/10—Additional functions
    • E05Y2800/11—Manual wing operation
    • E05Y2800/112—Back driving the transmission or motor
    • E05Y2800/113—Power assistance
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furnitures, e.g. cabinets

Definitions

  • the present invention relates to a movable furniture part with at least one force sensor for measuring forces acting on the outer panel of the movable furniture part.
  • Such a movable furniture part can be seen, for example, from EP 1 323 363 A1.
  • the force signal measured by the force sensor can, for example, be interpreted as the user's request for actuation.
  • the force sensor can be arranged between an outer panel of the movable furniture part and a part of the movable furniture part directly adjoining it. The disadvantage of this is that the force sensor can be triggered incorrectly, for example, by the contents falling over in or behind the movable furniture part.
  • the object of the invention is to provide a generic movable furniture part in which this problem does not occur.
  • the movable furniture part has an inner panel arranged behind the outer panel and spaced apart from it, and in that the at least one force sensor is arranged between the outer panel and the inner panel.
  • a movable furniture part is thus created, in which the force sensor (s) have (have) greater operational safety.
  • a displacement of the filling material arranged in or behind the movable furniture part therefore no longer leads to incorrectly detected forces and thus to incorrect triggering.
  • forces of a user are also detected, which the user exerts on the movable furniture part by encompassing the outer panel.
  • the inner panel can have a smaller area than the outer panel, so that the outer panel projects over the inner panel at least in some areas.
  • the clamping protection achieved thereby is also particularly advantageous in the arrangement according to the invention of the at least one force sensor.
  • the forces occurring are immediately registered by the force sensor and suitable countermeasures can be initiated.
  • it can be provided from the outset to detect only the components of the forces in or opposite to the direction of movement of the movable furniture part.
  • provision can also be made to first detect all components of the forces acting on the movable furniture part and to select the required components electronically.
  • the movable furniture part has at least two, preferably at least three, force sensors arranged between the outer panel and the inner panel.
  • the arrangement of several force sensors leads to a reduction in the force acting on a single force sensor and thereby reduces the risk of damage to the individual force sensors due to the forces acting on the outer panel of the movable furniture part.
  • At least one force sensor is arranged on the inner panel. If all the force sensors provided are arranged on the inner panel, this has the advantage that the outer panel, which is usually designed to match the rest of the furniture, can be produced separately from the movable furniture part.
  • the movable furniture part can be, for example, a drawer, a box that can be raised or a furniture door.
  • a drawer for example, a box that can be raised or a furniture door.
  • it could also be a flap or the like.
  • the invention further relates to a piece of furniture with a movable furniture part according to one of claims 1 to 4.
  • the furniture has a drive unit for driving the movable furniture part.
  • the user can at least support the movement of the movable furniture part.
  • the furniture has a control or regulating device for controlling or regulating the drive unit.
  • This enables the power of the drive unit to be adapted to the force exerted by a user on the movable furniture part.
  • the signals from the force sensor or the force sensors can be fed to an evaluation unit arranged in the furniture or in the movable furniture part. In such an evaluation unit, arithmetic operations for more precise determination of the required power of the drive unit can take place depending on the size of the force applied by the user to the movable furniture part.
  • the signals of the at least one force sensor can be fed to the evaluation unit via electrical lines. This represents a simple alternative to other more complex forms of signal transmission. However, contactless signal transmission, for example via radio, would also be conceivable.
  • the force sensors comprise strain gauges. These are easy to use and offer good resolution.
  • the strain gauges are preferably electrically connected to form a full bridge (Wheatstone bridge). The ratio of the measured bridge detuning to the specified supply voltage corresponds to the total relative change in length of the strain gauges.
  • the invention further relates to a piece of furniture with a movable furniture part, an evaluation unit and at least two piezoelectric force sensors for measuring forces acting on the outer panel of the movable furniture part, the signals of the force sensors being able to be fed to the evaluation unit via electrical lines, in particular according to one of claims 5 to 9th
  • Such furniture can be seen, for example, from EP 1 323 363 A1. So far, the force signals of the individual force sensors have been transmitted individually to the evaluation unit and added in this to determine the total force exerted on the movable furniture part.
  • the electrical lines leading from the force sensors to the evaluation unit are connected in parallel to one another and in series with the evaluation unit.
  • Evaluation unit are supplied and therefore the step previously provided for Determination of the total force from the partial forces determined by the individual force sensors can be omitted.
  • the invention further relates to a piece of furniture with a movable furniture part, an evaluation unit and at least one force sensor for measuring forces acting on the outer panel of the movable furniture part, the signals of the force sensor being able to be fed to the evaluation unit, in particular according to one of claims 5 to 10.
  • the evaluation unit has been arranged stationary in the furniture itself. It is disadvantageous in that the analog signals generated by the force sensors on the movable furniture part are relatively sensitive to interference and deteriorations in the signal quality already occur when these signals are transmitted from the force sensors to the evaluation unit arranged stationary in the furniture. According to the invention, it is now provided that the evaluation unit is arranged to move in or on the movable furniture part.
  • the interference-sensitive signals generated by the force sensors are fed to the evaluation unit over a distance that is kept as short as possible, which leads to a considerable improvement in the signal quality.
  • FIG. 1 shows a perspective view of an exemplary embodiment of a piece of furniture according to the invention
  • FIG. 22 shows a detailed view of the piece of furniture shown in FIG. 1,
  • FIG. 3 shows a detailed view of a further exemplary embodiment of a piece of furniture according to the invention
  • FIG. 4a is a side view of the furniture shown in Fig. 1,
  • FIG. 4b shows a detailed view of the piece of furniture shown in FIG. 4a
  • FIG. 55 shows the exemplary representation of an electrical circuit arrangement of a piece of furniture according to the invention
  • FIG. 6 shows a sectional illustration of an exemplary embodiment of a movable furniture part according to the invention
  • FIG. 7 shows a sectional illustration of a further exemplary embodiment of a piece of furniture according to the invention
  • 8 shows the schematic illustration of a further exemplary embodiment of a piece of furniture according to the invention
  • FIG. 9 shows a sectional illustration of the piece of furniture shown in FIG. 8,
  • FIGS. 11a-c show schematic sectional representations through the movable furniture part shown in FIG. 10 for various uses and
  • FIG. 12 shows the electrical circuit of the force sensors in the exemplary embodiment according to FIG. 10 and 11a-c.
  • Fig. 1 shows a piece of furniture 9 with a movable IV furniture part 1 according to the invention, which in this embodiment is designed as a drawer.
  • the movable furniture part 1 has an outer panel 2 on which a handle 10 is arranged.
  • FIG. 2 shows the furniture 9 shown in FIG. 1 in detail in the region of the movable furniture part 1 with the outer panel 2 removed.
  • the inner panel 3 can be seen, on which four force sensors 4 (here: piezoelectric force sensors) are arranged.
  • FIG. 3 shows a further exemplary embodiment of a movable furniture part 1 according to the invention, in which only a centrally arranged force sensor 4 is provided.
  • FIG. 4a shows a side view of the furniture 9 shown in FIG. 1 with the furniture part 1 partially moved out.
  • the inner panel 3, the outer panel 2 and the force sensors 4 arranged between the inner panel 3 and the outer panel 2 can now be seen.
  • FIG. 4b shows the area labeled A in FIG. 4a in detail.
  • FIG. 5 shows an example of the circuit arrangement of a piece of furniture 1 according to the invention, in which four piezoelectric force sensors 4 are connected in parallel to one another and in series with an evaluation unit 7 via lines 8.
  • the evaluation unit 7 is connected via further lines to the control unit 6 for controlling the drive unit 5, which in this exemplary embodiment is an electric motor.
  • Fig. 6 shows a sectional view of an embodiment of a piece of furniture 9 according to the invention with a movable furniture part 1 designed as a drawer, in which between
  • Inner panel 3 and outer panel 2 force sensors 4 are arranged.
  • the evaluation unit 7 is arranged in a moving manner on the movable furniture part 1.
  • the electrical lines 8 leading from the force sensors 4 to the evaluation unit 7 are shown in broken lines.
  • FIG. 7 shows a sectional illustration of a further exemplary embodiment of a piece of furniture 9 according to the invention with a movable furniture part 1 designed as a drawer, the outer panel 2 projecting beyond the inner panel 3.
  • the clamping of an object 11 between the outer panel 2 and furniture 9 is shown schematically.
  • the force exerted on the outer panel 2 causes the outer panel 2 to pivot in the direction shown by arrow 12. This is registered by the force sensors 4 and reported via lines (not shown) to the control unit 6, which immediately stops the drive unit 5 and, for example, can also command the movable furniture part 1 to be partially moved out to release the object 11. This creates a pinch protection.
  • Fig. 8 shows a further embodiment of a piece of furniture 9 according to the invention, which is designed as a cabinet.
  • the movable furniture part 1 is a furniture door, which is evident via a handle 10.
  • FIG. 9 shows a sectional view through the furniture 9 shown in FIG. 8 with the furniture door closed. It can be seen that the movable furniture part 1, that is to say the furniture door, has an inner panel 3 and an outer panel 2, between which force sensors 4 are arranged.
  • 10a shows a further exemplary embodiment of a movable furniture part 1 according to the invention.
  • four force sensors 4 are arranged, of which only two force sensors 4 can be seen in FIG. 10, each force sensor 4 having two strain gauges arranged on a flexible rod 13 16-23.
  • Each bendable rod 13 is fastened to the inner panel 3 via an intermediate piece 15 and to the outer panel 2 via an intermediate piece 14.
  • 10b shows the force sensors 4 which cannot be seen in FIG. 10a.
  • FIG. 11a-c shows the movable furniture part 1 shown in FIG. 10 for different usage situations.
  • the user exerts a compressive force F centrally on the outer panel 2, as a result of which the ends of the rods 13 connected to the intermediate pieces 15 bend in the direction of the inner panel 3.
  • the user exerts a tensile force F centrally on the outer panel 2, as a result of which the intermediate pieces 15 Bend the connected ends of the rods 13 in the direction of the outer panel 2.
  • the user exerts a tensile force F on the upper side of the outer panel 2, as a result of which the end of the upper rod 13 connected to the intermediate piece 15 moves in the direction of the outer panel 2 and the end of the lower rod 13 connected to the intermediate piece 15 the inner panel 3 bends.
  • FIGS. 10a, b and 11a-c show the electrical circuit 12 of the strain gauges 17-23 of the exemplary embodiment shown in FIGS. 10a, b and 11a-c.
  • the strain gauges 17-23 are connected to form a full bridge (Wheatstone bridge), the bridge detuning U M in relation to the supply voltage U B being a measure of the total relative change in length of the strain gauges 17-23 and thus of the amount of the detected force.
  • the bridge detuning U is amplified in an amplifier 24 and fed to the control unit 6.
  • the control unit 6 is connected to the drive unit 5 designed as a motor.

Abstract

The invention relates to a displaceable piece of furniture comprising at least one force sensor which is used to measure forces applied to the external panel of the displaceable piece of furniture. The displaceable piece of furniture (1) comprises, when seen from the side, an internal panel (3) which is arranged behind said external panel (2) at a distance therefrom. The at least one force sensor (4) is disposed between the external panel (2) and the internal panel (3).

Description

Bewegbares Möbelteil Movable furniture part
Die vorliegende Erfindung betrifft ein bewegbares Möbelteil mit wenigstens einem Kraftsensor zur Messung von auf die Außenblende des bewegbaren Möbelteils angreifenden Kräften.The present invention relates to a movable furniture part with at least one force sensor for measuring forces acting on the outer panel of the movable furniture part.
Ein derartiges bewegbares Möbelteil geht beispielsweise aus der EP 1 323 363 A1 hervor. Das vom Kraftsensor gemessene Kraftsignal kann beispielsweise als Betätigungswunsch des Benutzers interpretiert werden. Der Kraftsensor kann beim Stand der Technik zwischen einer Außenblende des bewegbaren Möbelteils und einen daran direkt anschließenden Teil des bewegbaren Möbelteils angeordnet sein. Nachteilig ist daran, dass es beispielsweise durch Umstürzen des Füllguts in bzw. hinter dem bewegbaren Möbelteil zu einer Fehlauslösung des Kraftsensors kommen kann.Such a movable furniture part can be seen, for example, from EP 1 323 363 A1. The force signal measured by the force sensor can, for example, be interpreted as the user's request for actuation. In the prior art, the force sensor can be arranged between an outer panel of the movable furniture part and a part of the movable furniture part directly adjoining it. The disadvantage of this is that the force sensor can be triggered incorrectly, for example, by the contents falling over in or behind the movable furniture part.
Aufgabe der Erfindung ist es, ein gattungsgemäßes bewegbares Möbelteil zu schaffen, bei dem dieses Problem nicht auftritt.The object of the invention is to provide a generic movable furniture part in which this problem does not occur.
Dies wird erfindungsgemäß dadurch erreicht, dass das bewegbare Möbelteil eine frontseitig betrachtet hinter der Außenblende angeordnete und von dieser beabstandete Innenblende aufweist und dass der wenigstens eine Kraftsensor zwischen Außenblende und Innenblende angeordnet ist.This is achieved according to the invention in that the movable furniture part has an inner panel arranged behind the outer panel and spaced apart from it, and in that the at least one force sensor is arranged between the outer panel and the inner panel.
Erfindungsgemäß wird somit ein bewegbares Möbelteil geschaffen, bei dem der bzw. die Kraftsensor(en) eine höhere Bediensicherheit aufweist (aufweisen). Eine Verlagerung von im bzw. hinter dem bewegbaren Möbelteil angeordnetem Füllgut führt somit nicht mehr zu fehlerhaft detektierten Kräften und damit einer Fehlauslösung. Erfindungsgemäß werden auch Kräfte eines Benutzers detektiert, welche dieser durch Umfassen der Außenblende auf das bewegbare Möbelteil ausübt. Um diese Bedienungsart zu erleichtern, kann die Innenblende eine geringere Fläche aufweisen als die Außenblende, sodass die Außenblende wenigstens bereichsweise über die Innenblende übersteht. Besonders vorteilhaft an der erfindungsgemäßen Anordnung des wenigstens einen Kraftsensors ist auch der dadurch erzielte Klemmschutz. Falls es zum Einklemmen eines Objekts zwischen der überstehenden Außenblende des in einem Möbel gelagerten Möbelteils und dem Möbel selbst kommt, werden die dabei auftretenden Kräfte sofort vom Kraftsensor registriert und es können geeignete Gegenmaßnahmen eingeleitet werden. Es kann beispielsweise vorgesehen sein, von vornherein nur die Komponenten der Kräfte in bzw. entgegengesetzt zur Bewegungsrichtung des bewegbaren Möbelteils zu detektieren. Andererseits kann auch vorgesehen sein, zuerst alle Komponenten der am bewegbaren Möbelteil angreifenden Kräfte zu detektieren und die benötigten Komponenten elektronisch auszuwählen.According to the invention, a movable furniture part is thus created, in which the force sensor (s) have (have) greater operational safety. A displacement of the filling material arranged in or behind the movable furniture part therefore no longer leads to incorrectly detected forces and thus to incorrect triggering. According to the invention, forces of a user are also detected, which the user exerts on the movable furniture part by encompassing the outer panel. In order to facilitate this type of operation, the inner panel can have a smaller area than the outer panel, so that the outer panel projects over the inner panel at least in some areas. The clamping protection achieved thereby is also particularly advantageous in the arrangement according to the invention of the at least one force sensor. If an object is jammed between the protruding outer panel of the furniture part stored in a piece of furniture and the piece of furniture itself, the forces occurring are immediately registered by the force sensor and suitable countermeasures can be initiated. For example, it can be provided from the outset to detect only the components of the forces in or opposite to the direction of movement of the movable furniture part. On the other hand, provision can also be made to first detect all components of the forces acting on the movable furniture part and to select the required components electronically.
Bei einer vorteilhaften Ausführungsform der Erfindung kann vorgesehen sein, dass das bewegbare Möbelteil mindestens zwei, vorzugsweise mindestens drei, zwischen Außenblende und Innenblende angeordnete Kraftsensoren aufweist. Die Anordnung mehrerer Kraftsensoren führt zu einer Reduzierung der auf einen einzelnen Kraftsensor einwirkenden Kraft und verringert dadurch die Gefahr einer Beschädigung der einzelnen Kraftsensoren durch die auf die Außenblende des bewegbaren Möbelteils angreifenden Kräfte.In an advantageous embodiment of the invention, it can be provided that the movable furniture part has at least two, preferably at least three, force sensors arranged between the outer panel and the inner panel. The arrangement of several force sensors leads to a reduction in the force acting on a single force sensor and thereby reduces the risk of damage to the individual force sensors due to the forces acting on the outer panel of the movable furniture part.
Weiters kann beispielsweise vorgesehen sein, dass wenigstens ein Kraftsensor an der Innenblende angeordnet ist. Werden alle vorgesehenen Kraftsensoren an der Innenblende angeordnet, bringt dies den Vorteil mit sich, dass die üblicherweise passend zum restlichen Möbel ausgeführte Außenblende getrennt vom bewegbaren Möbelteil hergestellt werden kann.Furthermore, it can be provided, for example, that at least one force sensor is arranged on the inner panel. If all the force sensors provided are arranged on the inner panel, this has the advantage that the outer panel, which is usually designed to match the rest of the furniture, can be produced separately from the movable furniture part.
Bei dem bewegbaren Möbelteil kann es sich beispielsweise um eine Schublade, einen anhebbaren Kasten oder eine Möbeltüre handeln. Es könnte sich beispielsweise auch um eine Klappe oder dergleichen handeln.The movable furniture part can be, for example, a drawer, a box that can be raised or a furniture door. For example, it could also be a flap or the like.
Die Erfindung betrifft weiters ein Möbel mit einem bewegbaren Möbelteil nach einem der Ansprüche 1 bis 4.The invention further relates to a piece of furniture with a movable furniture part according to one of claims 1 to 4.
Vorzugsweise ist dabei vorgesehen, dass das Möbel eine Antriebseinheit zum Antreiben des bewegbaren Möbelteils aufweist. Dadurch kann zumindest eine Unterstützung der Bewegung des bewegbaren Möbelteils durch einen Benutzer erfolgen.It is preferably provided that the furniture has a drive unit for driving the movable furniture part. As a result, the user can at least support the movement of the movable furniture part.
Weiters kann es vorteilhaft sein, wenn das Möbel eine Steuer- bzw. Regeleinrichtung zur Steuerung bzw. Regelung der Antriebseinheit aufweist. Diese ermöglicht die Anpassung der Leistung der Antriebseinheit an die von einem Benutzer auf das bewegbare Möbelteil aufgebrachte Kraft. Die Signale des Kraftsensors bzw. der Kraftsensoren können einer im Möbel oder im bewegbaren Möbelteil angeordneten Auswerteeinheit zuführbar sein. In einer derartigen Auswerteeinheit können Rechenoperationen zur genaueren Bestimmung der benötigten Leistung der Antriebseinheit in Abhängigkeit von der Größe der vom Benutzer auf das bewegbare Möbelteil aufgebrachten Kraft erfolgen.Furthermore, it can be advantageous if the furniture has a control or regulating device for controlling or regulating the drive unit. This enables the power of the drive unit to be adapted to the force exerted by a user on the movable furniture part. The signals from the force sensor or the force sensors can be fed to an evaluation unit arranged in the furniture or in the movable furniture part. In such an evaluation unit, arithmetic operations for more precise determination of the required power of the drive unit can take place depending on the size of the force applied by the user to the movable furniture part.
Weiters kann vorgesehen sein, dass die Signale des wenigstens einen Kraftsensors der Auswerteeinheit über elektrische Leitungen zuführbar sind. Dies stellt eine einfache Alternative zu anderen aufwändigeren Formen der Signalübermittlung dar. Denkbar wäre aber auch eine berührungslose Signalübermittlung, beispielsweise über Funk.It can further be provided that the signals of the at least one force sensor can be fed to the evaluation unit via electrical lines. This represents a simple alternative to other more complex forms of signal transmission. However, contactless signal transmission, for example via radio, would also be conceivable.
Bei einer besonders bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass die Kraftsensoren Dehnmessstreifen umfassen. Diese sind einfach anwendbar und bieten eine gute Auflösung. Vorzugsweise sind die Dehnmessstreifen elektrisch zu einer Vollbrücke (Wheatstonesche Brücke) geschalten. Das Verhältnis der gemessenen Brückenverstimmung zur vorgegebenen Speisespannung entspricht der aufsummierten relativen Längenänderung der Dehnmessstreifen.In a particularly preferred embodiment of the invention, it is provided that the force sensors comprise strain gauges. These are easy to use and offer good resolution. The strain gauges are preferably electrically connected to form a full bridge (Wheatstone bridge). The ratio of the measured bridge detuning to the specified supply voltage corresponds to the total relative change in length of the strain gauges.
Die Erfindung betrifft weiters ein Möbel mit einem bewegbaren Möbelteil, einer Auswerteeinheit und wenigstens zwei piezoelektrischen Kraftsensoren zur Messung von auf die Außenblende des bewegbaren Möbelteils angreifenden Kräften, wobei die Signale der Kraftsensoren der Auswerteeinheit über elektrische Leitungen zuführbar sind, insbesondere nach einem der Ansprüche 5 bis 9.The invention further relates to a piece of furniture with a movable furniture part, an evaluation unit and at least two piezoelectric force sensors for measuring forces acting on the outer panel of the movable furniture part, the signals of the force sensors being able to be fed to the evaluation unit via electrical lines, in particular according to one of claims 5 to 9th
Ein derartiges Möbel geht beispielsweise aus der EP 1 323 363 A1 hervor. Bisher wurden die Kraftsignale der einzelnen Kraftsensoren einzeln an die Auswerteeinheit übermittelt und in dieser zur Bestimmung der auf das bewegbare Möbelteil ausgeübten Gesamtkraft addiert.Such furniture can be seen, for example, from EP 1 323 363 A1. So far, the force signals of the individual force sensors have been transmitted individually to the evaluation unit and added in this to determine the total force exerted on the movable furniture part.
Erfindungsgemäß ist nun vorgesehen, dass die von den Kraftsensoren zu der Auswerteeinheit führenden elektrischen Leitungen parallel zueinander und in Serie mit der Auswerteeinheit geschalten sind.According to the invention, it is now provided that the electrical lines leading from the force sensors to the evaluation unit are connected in parallel to one another and in series with the evaluation unit.
Dies bringt den Vorteil mit sich, dass die von den piezoelektrischen Kraftsensoren bei Detektion einer Kraft erzeugten elektrischen Ladungen bereits in aufsummierter Form derThis has the advantage that the electrical charges generated by the piezoelectric force sensors upon detection of a force are already in a summed form
Auswerteeinheit zugeführt werden und daher der bisher vorgesehene Schritt zur Bestimmung der Gesamtkraft aus den von den einzelnen Kraftsensoren ermittelten Teilkräften entfallen kann.Evaluation unit are supplied and therefore the step previously provided for Determination of the total force from the partial forces determined by the individual force sensors can be omitted.
Die Erfindung betrifft weiters ein Möbel mit einem bewegbaren Möbelteil, einer Auswerteeinheit und wenigstens einem Kraftsensor zur Messung von auf die Außenblende des bewegbaren Möbelteils angreifenden Kräften, wobei die Signale des Kraftsensors der Auswerteeinheit zuführbar sind, insbesondere nach einem der Ansprüche 5 bis 10.The invention further relates to a piece of furniture with a movable furniture part, an evaluation unit and at least one force sensor for measuring forces acting on the outer panel of the movable furniture part, the signals of the force sensor being able to be fed to the evaluation unit, in particular according to one of claims 5 to 10.
Bisher wurde die Auswerteeinheit stationär im Möbel selbst angeordnet. Nachteilig ist daran, dass die von den Kraftsensoren am bewegbaren Möbelteil erzeugten analogen Signale relativ störempfindlich sind und bereits bei der Übertragung dieser Signale von den Kraftsensoren zu der stationär im Möbel angeordneten Auswerteeinheit Verschlechterungen der Signalqualität auftreten. Erfindungsgemäß ist nunmehr vorgesehen, dass die Auswerteeinheit mitfahrend im oder am bewegbaren Möbelteil angeordnet ist.So far, the evaluation unit has been arranged stationary in the furniture itself. It is disadvantageous in that the analog signals generated by the force sensors on the movable furniture part are relatively sensitive to interference and deteriorations in the signal quality already occur when these signals are transmitted from the force sensors to the evaluation unit arranged stationary in the furniture. According to the invention, it is now provided that the evaluation unit is arranged to move in or on the movable furniture part.
Dadurch werden die von den Kraftsensoren erzeugten störempfindlichen Signale über eine so gering wie möglich gehaltene Strecke der Auswerteeinheit zugeführt, was zu einer erheblichen Verbesserung der Signalqualität führt.As a result, the interference-sensitive signals generated by the force sensors are fed to the evaluation unit over a distance that is kept as short as possible, which leads to a considerable improvement in the signal quality.
Weitere Einzelheiten und Vorteile der Erfindung ergeben sich anhand der nachfolgenden Figuren sowie der Figurenbeschreibung. Dabei zeigen:Further details and advantages of the invention result from the following figures and the description of the figures. Show:
Fig. 1 die perspektivische Ansicht eines Ausführungsbeispiels eines erfindungsgemäßen Möbels, FFiigg.. 22 eine Detailansicht des in Fig. 1 dargestellten Möbels,1 shows a perspective view of an exemplary embodiment of a piece of furniture according to the invention, FIG. 22 shows a detailed view of the piece of furniture shown in FIG. 1,
Fig. 3 eine Detailansicht zu einem weiteren Ausführungsbeispiel eines erfindungsgemäßen Möbels,3 shows a detailed view of a further exemplary embodiment of a piece of furniture according to the invention,
Fig. 4a eine Seitenansicht des in Fig. 1 dargestellten Möbels,4a is a side view of the furniture shown in Fig. 1,
Fig. 4b eine Detailansicht des in Fig. 4a dargestellten Möbels, FFiigg.. 55 die beispielhafte Darstellung einer elektrischen Schaltungsanordnung eines erfindungsgemäßen Möbels,4b shows a detailed view of the piece of furniture shown in FIG. 4a, FIG. 55 shows the exemplary representation of an electrical circuit arrangement of a piece of furniture according to the invention,
Fig. 6 eine Schnittdarstellung eines Ausführungsbeispiels eines erfindungsgemäßen bewegbaren Möbelteils,6 shows a sectional illustration of an exemplary embodiment of a movable furniture part according to the invention,
Fig. 7 eine Schnittdarstellung eines weiteren Ausführungsbeispiels eines erfindungsgemäßen Möbels, Fig. 8 die schematische Darstellung eines weiteren Ausführungsbeispiels eines erfindungsgemäßen Möbels, Fig. 9 eine Schnittdarstellung des in Fig. 8 dargestellten Möbels,7 shows a sectional illustration of a further exemplary embodiment of a piece of furniture according to the invention, 8 shows the schematic illustration of a further exemplary embodiment of a piece of furniture according to the invention, FIG. 9 shows a sectional illustration of the piece of furniture shown in FIG. 8,
Fig. 10a,b zwei Schnittdarstellungen eines weiteren Ausführungsbeispiels eines erfindungsgemäßen bewegbaren Möbelteils, Fig. 11a-c schematische Schnittdarstellungen durch das in Fig. 10 dargestellten bewegbaren Möbelteils für verschiedene Benutzungsfälle und Fig. 12 die elektrische Schaltung der Kraftsensoren im Ausführungsbeispiel nach den Fig. 10 und 11a-c.10a, b show two sectional representations of a further exemplary embodiment of a movable furniture part according to the invention, FIGS. 11a-c show schematic sectional representations through the movable furniture part shown in FIG. 10 for various uses and FIG. 12 shows the electrical circuit of the force sensors in the exemplary embodiment according to FIG. 10 and 11a-c.
Fig. 1 zeigt ein Möbel 9 mit einem erfindungsgemäßen bewegbaren IVlöbelteil 1 , welches in diesem Ausführungsbeispiel als Schublade ausgebildet ist. Das bewegbare Möbelteil 1 weist dabei eine Außenblende 2 auf, an der ein Griff 10 angeordnet ist.Fig. 1 shows a piece of furniture 9 with a movable IV furniture part 1 according to the invention, which in this embodiment is designed as a drawer. The movable furniture part 1 has an outer panel 2 on which a handle 10 is arranged.
Fig. 2 zeigt das in Fig. 1 dargestellte Möbel 9 im Detail im Bereich des bewegbaren Möbelteils 1 bei entfernter Außenblende 2. Zu erkennen sind die Innenblende 3, an welcher vier Kraftsensoren 4 (hier: piezoelektrische Kraftsensoren) angeordnet sind.2 shows the furniture 9 shown in FIG. 1 in detail in the region of the movable furniture part 1 with the outer panel 2 removed. The inner panel 3 can be seen, on which four force sensors 4 (here: piezoelectric force sensors) are arranged.
Fig. 3 zeigt ein weiteres Ausführungsbeispiel eines erfindungsgemäßen bewegbaren Möbelteils 1 , bei der nur ein zentral angeordneter Kraftsensor 4 vorgesehen ist.3 shows a further exemplary embodiment of a movable furniture part 1 according to the invention, in which only a centrally arranged force sensor 4 is provided.
Fig. 4a zeigt eine Seitendarstellung des in Fig. 1 dargestellten Möbels 9 mit teilweise herausbewegtem Möbelteil 1. Zu erkennen sind nun die Innenblende 3, die Außenblende 2 sowie die zwischen Innenblende 3 und Außenblende 2 angeordneten Kraftsensoren 4.4a shows a side view of the furniture 9 shown in FIG. 1 with the furniture part 1 partially moved out. The inner panel 3, the outer panel 2 and the force sensors 4 arranged between the inner panel 3 and the outer panel 2 can now be seen.
Fig. 4b zeigt den in Fig. 4a mit A bezeichneten Bereich im Detail.FIG. 4b shows the area labeled A in FIG. 4a in detail.
Fig. 5 zeigt beispielhaft die Schaltungsanordnung eines erfindungsgemäßen Möbels 1 , bei der vier piezoelektrischen Kraftsensoren 4 über Leitungen 8 parallel zueinander und in Serie mit einer Auswerteeinheit 7 geschalten sind. Die Auswerteeinheit 7 steht über weitere Leitungen mit der Regeleinheit 6 zur Regelung der Antriebseinheit 5, welche in diesem Ausführungsbeispiel ein Elektromotor ist, in Verbindung.5 shows an example of the circuit arrangement of a piece of furniture 1 according to the invention, in which four piezoelectric force sensors 4 are connected in parallel to one another and in series with an evaluation unit 7 via lines 8. The evaluation unit 7 is connected via further lines to the control unit 6 for controlling the drive unit 5, which in this exemplary embodiment is an electric motor.
Fig. 6 zeigt eine Schnittdarstellung eines Ausführungsbeispiels eines erfindungsgemäßen Möbels 9 mit einem als Schublade ausgeführten bewegbaren Möbelteil 1 , bei dem zwischenFig. 6 shows a sectional view of an embodiment of a piece of furniture 9 according to the invention with a movable furniture part 1 designed as a drawer, in which between
Innenblende 3 und Außenblende 2 Kraftsensoren 4 angeordnet sind. Die Auswerteeinheit 7 ist dabei mitfahrend am bewegbaren Möbelteil 1 angeordnet. Die von den Kraftsensoren 4 zur Auswerteeinheit 7 führenden elektrischen Leitungen 8 sind strichliert dargestellt.Inner panel 3 and outer panel 2 force sensors 4 are arranged. The evaluation unit 7 is arranged in a moving manner on the movable furniture part 1. The electrical lines 8 leading from the force sensors 4 to the evaluation unit 7 are shown in broken lines.
Fig. 7 zeigt eine Schnittdarstellung eines weiteren Ausführungsbeispiels eines erfindungsgemäßen Möbels 9 mit einem als Schublade ausgeführten bewegbaren Möbelteil 1 , wobei die Außenblende 2 über die Innenblende 3 übersteht. Schematisch ist das Einklemmen eines Objekts 11 zwischen Außenblende 2 und Möbel 9 dargestellt. Durch die auf die Außenblende 2 ausgeübte Kraft kommt es zu einem Verschwenken der Außenblende 2 in die durch Pfeil 12 gezeigte Richtung. Dies wird von den Kraftsensoren 4 registriert und über nicht dargestellte Leitungen der Regeleinheit 6 gemeldet, welche sofort die Antriebseinheit 5 stoppt und beispielsweise auch ein teilweises Herausbewegen des bewegbaren Möbelteils 1 zur Freigabe des Objekts 11 befehlen kann. Hierdurch wird ein Klemmschutz realisiert.FIG. 7 shows a sectional illustration of a further exemplary embodiment of a piece of furniture 9 according to the invention with a movable furniture part 1 designed as a drawer, the outer panel 2 projecting beyond the inner panel 3. The clamping of an object 11 between the outer panel 2 and furniture 9 is shown schematically. The force exerted on the outer panel 2 causes the outer panel 2 to pivot in the direction shown by arrow 12. This is registered by the force sensors 4 and reported via lines (not shown) to the control unit 6, which immediately stops the drive unit 5 and, for example, can also command the movable furniture part 1 to be partially moved out to release the object 11. This creates a pinch protection.
Fig. 8 zeigt ein weiteres Ausführungsbeispiel eines erfindungsgemäßen Möbels 9, welches als Schrank ausgeführt ist. Beim bewegbaren Möbelteil 1 handelt es sich um eine Möbeltüre, welche über einen Griff 10 offenbar ist.Fig. 8 shows a further embodiment of a piece of furniture 9 according to the invention, which is designed as a cabinet. The movable furniture part 1 is a furniture door, which is evident via a handle 10.
Fig. 9 zeigt eine Schnittdarstellung durch das in Fig. 8 dargestellte Möbel 9 bei geschlossener Möbeltüre. Erkennbar ist, dass das bewegbare Möbelteil 1 , also die Möbeltüre, eine Innenblende 3 sowie eine Außenblende 2 aufweist, zwischen denen Kraftsensoren 4 angeordnet sind.FIG. 9 shows a sectional view through the furniture 9 shown in FIG. 8 with the furniture door closed. It can be seen that the movable furniture part 1, that is to say the furniture door, has an inner panel 3 and an outer panel 2, between which force sensors 4 are arranged.
Fig. 10a zeigt ein weiteres Ausführungsbeispiel eines erfindungsgemäßen bewegbaren Möbelteils 1. Zwischen Innenblende 3 und Außenblende 2 sind vier Kraftsensoren 4 angeordnet, von denen in Fig. 10 nur zwei Kraftsensoren 4 erkennbar sind, wobei jeder Kraftsensor 4 zwei auf einem biegefähigen Stab 13 angeordnete Dehnmessstreifen 16-23 aufweist. Jeder biegefähige Stab 13 ist über ein Zwischenstück 15 an der Innenblende 3 und über ein Zwischenstück 14 an der Außenblende 2 befestigt. Fig. 10b zeigt die in Fig. 10a nicht erkennbaren Kraftsensoren 4.10a shows a further exemplary embodiment of a movable furniture part 1 according to the invention. Between the inner panel 3 and the outer panel 2, four force sensors 4 are arranged, of which only two force sensors 4 can be seen in FIG. 10, each force sensor 4 having two strain gauges arranged on a flexible rod 13 16-23. Each bendable rod 13 is fastened to the inner panel 3 via an intermediate piece 15 and to the outer panel 2 via an intermediate piece 14. 10b shows the force sensors 4 which cannot be seen in FIG. 10a.
Die Fig. 11a-c zeigt das in Fig. 10 dargestellte bewegbare Möbelteil 1 für verschiedene Benutzungssituationen. In Fig. 11a übt der Benutzer zentral an der Außenblende 2 eine Druckkraft F aus, wodurch sich die mit den Zwischenstücken 15 verbundenen Enden der Stäbe 13 in Richtung der Innenblende 3 biegen. In Fig. 11b übt der Benutzer zentral an der Außenblende 2 eine Zugkraft F aus, wodurch sich die mit den Zwischenstücken 15 verbundenen Enden der Stäbe 13 in Richtung der Außenblende 2 biegen. In Fig. 11c übt der Benutzer an der Oberseite der Außenblende 2 eine Zugkraft F aus, wodurch sich das mit dem Zwischenstück 15 verbundene Ende des oberen Stabes 13 in Richtung der Außenblende 2 und das mit dem Zwischenstück 15 verbundene Ende des unteren Stabes 13 in Richtung der Innenblende 3 verbiegt.11a-c shows the movable furniture part 1 shown in FIG. 10 for different usage situations. In FIG. 11 a, the user exerts a compressive force F centrally on the outer panel 2, as a result of which the ends of the rods 13 connected to the intermediate pieces 15 bend in the direction of the inner panel 3. In FIG. 11 b, the user exerts a tensile force F centrally on the outer panel 2, as a result of which the intermediate pieces 15 Bend the connected ends of the rods 13 in the direction of the outer panel 2. 11c, the user exerts a tensile force F on the upper side of the outer panel 2, as a result of which the end of the upper rod 13 connected to the intermediate piece 15 moves in the direction of the outer panel 2 and the end of the lower rod 13 connected to the intermediate piece 15 the inner panel 3 bends.
Fig. 12 zeigt die elektrische Schaltung 12 der Dehnmessstreifen 17-23 des in den Fig. 10a,b und 11a-c dargestellten Ausführungsbeispiels. Die Dehnmessstreifen 17-23 sind zu einer Vollbrücke (Wheatstonesche Brücke) verschaltet, wobei die Brückenverstimmung UM im Verhältnis zur Speisespannung UB ein Maß für die aufsummierte relative Längenänderung der Dehnmessstreifen 17-23 und somit für den Betrag der detektierten Kraft ist. Die Brückenverstimmung U wird in einem Verstärker 24 verstärkt und der Regeleinheit 6 zugeführt. Die Regeleinheit 6 steht mit der als Motor ausgeführten Antriebseinheit 5 in Verbindung. 12 shows the electrical circuit 12 of the strain gauges 17-23 of the exemplary embodiment shown in FIGS. 10a, b and 11a-c. The strain gauges 17-23 are connected to form a full bridge (Wheatstone bridge), the bridge detuning U M in relation to the supply voltage U B being a measure of the total relative change in length of the strain gauges 17-23 and thus of the amount of the detected force. The bridge detuning U is amplified in an amplifier 24 and fed to the control unit 6. The control unit 6 is connected to the drive unit 5 designed as a motor.

Claims

Patentansprüche: claims:
1. Bewegbares Möbelteil mit wenigstens einem Kraftsensor zur Messung von auf die Außenblende des bewegbaren Möbelteils angreifenden Kräften, dadurch gekennzeichnet, dass das bewegbare Möbelteil (1 ) eine frontseitig betrachtet hinter der Außenblende (2) angeordnete und von dieser beabstandete Innenblende (3) aufweist und dass der wenigstens eine Kraftsensor (4) zwischen Außenblende (2) und Innenblende (3) angeordnet ist.1. Movable furniture part with at least one force sensor for measuring forces acting on the outer panel of the movable furniture part, characterized in that the movable furniture part (1) has an inner panel (3) arranged behind and spaced from the outer panel (2) and spaced therefrom and that the at least one force sensor (4) is arranged between the outer panel (2) and the inner panel (3).
2. Bewegbares Möbelteil nach Anspruch 1 , dadurch gekennzeichnet, dass das bewegbare Möbelteil (1 ) mindestens zwei, vorzugsweise mindestens drei, zwischen Außenblende (2) und Innenblende (3) angeordnete Kraftsensoren (4) aufweist.2. Movable furniture part according to claim 1, characterized in that the movable furniture part (1) has at least two, preferably at least three, between the outer panel (2) and inner panel (3) arranged force sensors (4).
3. Bewegbares Möbelteil nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass wenigstens ein Kraftsensor (4) an der Innenblende (3) angeordnet ist.3. Movable furniture part according to claim 1 or 2, characterized in that at least one force sensor (4) is arranged on the inner panel (3).
4. Bewegbares Möbelteil nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Kraftsensoren (4) Dehnmessstreifen (17-23) umfassen.4. Movable furniture part according to one of claims 1 to 3, characterized in that the force sensors (4) comprise strain gauges (17-23).
5. Bewegbares Möbelteil nach Anspruch 4, dadurch gekennzeichnet, dass die Dehnmessstreifen (17-23) elektrisch zu einer Vollbrücke geschalten sind.5. Movable furniture part according to claim 4, characterized in that the strain gauges (17-23) are electrically connected to a full bridge.
6. Bewegbares Möbelteil nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das bewegbare Möbelteil (1) eine Schublade oder eine Möbeltüre ist.6. Movable furniture part according to one of claims 1 to 5, characterized in that the movable furniture part (1) is a drawer or a furniture door.
7. Möbel mit einem bewegbaren Möbelteil nach einem der Ansprüche 1 bis 6.7. Furniture with a movable furniture part according to one of claims 1 to 6.
8. Möbel nach Anspruch 7, dadurch gekennzeichnet, dass es eine Antriebseinheit (5) zum Antreiben des bewegbaren Möbelteils (1 ) aufweist.8. Furniture according to claim 7, characterized in that it has a drive unit (5) for driving the movable furniture part (1).
9. Möbel nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass es eine Steuer- bzw. Regeleinrichtung (6) zur Steuerung bzw. Regelung der Antriebseinheit (5) aufweist.9. Furniture according to claim 7 or 8, characterized in that it has a control or regulating device (6) for controlling or regulating the drive unit (5).
10. Möbel nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass die Signale des wenigstens einen Kraftsensors (4) einer im Möbel (9) oder im bewegbaren Möbelteil (1) angeordneten Auswerteeinheit (7) zuführbar sind. 10. Furniture according to one of claims 7 to 9, characterized in that the signals of the at least one force sensor (4) can be fed to an evaluation unit (7) arranged in the furniture (9) or in the movable furniture part (1).
11. Möbel nach Anspruch 10, dadurch gekennzeichnet, dass die Signale des wenigstens einen Kraftsensors (4) der Auswerteeinheit (7) über elektrische Leitungen (8) zuführbar sind.11. Furniture according to claim 10, characterized in that the signals of the at least one force sensor (4) of the evaluation unit (7) can be supplied via electrical lines (8).
12. Möbel mit einem bewegbaren Möbelteil, einer Auswerteeinheit und wenigstens zwei piezoelektrischen Kraftsensoren zur Messung von auf die Außenblende des bewegbaren Möbelteils angreifenden Kräften, wobei die Signale der Kraftsensoren der Auswerteeinheit über elektrische Leitungen zuführbar sind, insbesondere nach einem der Ansprüche 7 bis 11 , dadurch gekennzeichnet, dass die von den Kraftsensoren (4) zu der Auswerteeinheit (7) führenden elektrischen Leitungen (8) parallel zueinander und in Serie mit der Auswerteeinheit (7) geschalten sind.12. Furniture with a movable furniture part, an evaluation unit and at least two piezoelectric force sensors for measuring forces acting on the outer panel of the movable furniture part, the signals of the force sensors of the evaluation unit being able to be supplied via electrical lines, in particular according to one of claims 7 to 11, thereby characterized in that the electrical lines (8) leading from the force sensors (4) to the evaluation unit (7) are connected in parallel to one another and in series with the evaluation unit (7).
13. Möbel mit einem bewegbaren Möbelteil, einer Auswerteeinheit und wenigstens einem Kraftsensor zur Messung von auf die Außenblende des bewegbaren Möbelteils angreifenden Kräften, wobei die Signale des Kraftsensors der Auswerteeinheit zuführbar sind, insbesondere nach einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, dass die Auswerteeinheit (7) mitfahrend im oder am bewegbaren Möbelteil (1) angeordnet ist. 13. Furniture with a movable furniture part, an evaluation unit and at least one force sensor for measuring forces acting on the outer panel of the movable furniture part, the signals from the force sensor being able to be fed to the evaluation unit, in particular according to one of claims 7 to 12, characterized in that the Evaluation unit (7) is arranged to move in or on the movable furniture part (1).
EP04789565A 2003-12-17 2004-10-29 Displaceable piece of furniture Active EP1694162B1 (en)

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Publication number Publication date
AT413935B (en) 2006-07-15
CN100459906C (en) 2009-02-11
ATA20362003A (en) 2005-11-15
WO2005058092A1 (en) 2005-06-30
EP1694162B1 (en) 2011-08-03
CN1893856A (en) 2007-01-10
ATE518449T1 (en) 2011-08-15
US7500400B1 (en) 2009-03-10
ES2370249T3 (en) 2011-12-13
JP2007514484A (en) 2007-06-07
AU2004298280A1 (en) 2005-06-30
AU2004298280B2 (en) 2009-09-24

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