EP1323363A1 - Device with a movable furniture part, including drive unit and control device - Google Patents

Device with a movable furniture part, including drive unit and control device Download PDF

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Publication number
EP1323363A1
EP1323363A1 EP02027227A EP02027227A EP1323363A1 EP 1323363 A1 EP1323363 A1 EP 1323363A1 EP 02027227 A EP02027227 A EP 02027227A EP 02027227 A EP02027227 A EP 02027227A EP 1323363 A1 EP1323363 A1 EP 1323363A1
Authority
EP
European Patent Office
Prior art keywords
furniture part
movable furniture
drive unit
measuring device
acceleration
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
EP02027227A
Other languages
German (de)
French (fr)
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EP1323363B1 (en
Inventor
Edgar Huber
Klaus Mattle
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
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Julius Blum GmbH
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Filing date
Publication date
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Publication of EP1323363A1 publication Critical patent/EP1323363A1/en
Application granted granted Critical
Publication of EP1323363B1 publication Critical patent/EP1323363B1/en
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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
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/463—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-opening
    • 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
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/60—Suspension or transmission members; Accessories therefor
    • E05Y2201/622—Suspension or transmission members elements
    • E05Y2201/71—Toothed gearing
    • E05Y2201/722—Racks

Definitions

  • the present invention relates to an arrangement with a movable furniture part, in particular with a drawer, or the like with a drive unit and with a control device for controlling the drive unit.
  • the German patent specification DE 1 017 351 describes a device for pulling out or pushing in Drawers in furniture that are controlled by a push button on the cabinet side Drive unit can be extended or retracted. With the help of trained as push buttons Trigger device is any possible positioning of the drawer between the fully retracted and fully withdrawn position possible.
  • the Austrian patent AT 398 513 B describes a drawer slide set, whose drive is arranged on the front panel of the drawer capacitive push button switch is controlled. By touching the key switch, the Drawer on or off.
  • the European patent application EP 0 957 225 A1 contains a device for opening a drawer provided with a drive unit, wherein the drive unit by a trigger element designed as a push button is controlled. The last two publications mentioned each show one Tripping element that knows two switching states. Hence after one time pull-out operation when the trigger element is actuated only the triggering of the opposite process possible.
  • the object of the present invention is now to provide a generic arrangement create a more intuitive operation of a driven by a drive unit Movable furniture part allows.
  • the arrangement is one, preferably Analogous, force measuring device, the force measuring device one for Characteristic force signal applied to the outside of the movable furniture part generated, which can be fed to the control device.
  • an arrangement which is like an usual, not additionally driven movable furniture part can be operated.
  • a force signal is generated by means of the force measuring device, which forwards the user's request for actuation to the control device. From this, the control device calculates a control signal, which is the support the movement of the movable furniture part desired by the user through the Drive unit enables. In this way, the one desired by the user Movement supports, while at the same time the intuitively known procedure for Full opening or closing of a movable piece of furniture for the user remains.
  • the force signal contains both the information about the Amount as well as the direction, preferably via the direction component parallel to the extension direction of the movable furniture part, which from the outside to the includes movable forces applied forces.
  • the control device recognizes whether pressure or tension is exerted on the movable furniture part. This can the control device decides whether the movable furniture part is open, closed, should be accelerated or decelerated.
  • it is by measuring the Amount of external forces applied to the movable furniture part is also possible to determine how much this accelerates when opening or closing should be delayed.
  • the arrangement has at least one Has position measuring device which for the opening state of the Movable furniture part characteristic and feedable to the control device Position signal generated.
  • the position signal made available in this way can Calculation of the current actual position and / or the current actual speed and / or the current actual value of the acceleration or deceleration of the movable furniture part serve as a function of the measured position. This will Conveniently realized in that the control device Has actual value calculation device.
  • control device has a setpoint calculation device, which from the Force measuring device generated a target value for the acceleration or the delay of the movable furniture part is calculated, one particularly preferred embodiment in turn provides that the target value for the Acceleration or deceleration from the loaded state of the movable Furniture part is independent.
  • This configuration ensures that the movable furniture part regardless of its filling when creating a certain external force on the movable furniture part always with the same acceleration or delay is moved. This gives the user the feeling that the Movable furniture part always the same regardless of how it is filled Bulk owns and results in the opening or closing of one completely filled movable furniture part feels to the user in the same way and involves the same amount of effort as opening or closing one empty movable furniture part.
  • control device Control module which indicates the actual value of the acceleration or deceleration the setpoint of acceleration or deceleration by passing on a Adapts control signal to a drive unit controller, the drive unit controller Controls drive unit.
  • the drive unit controller Controls drive unit.
  • the Control device has a speed setpoint calculation device, which calculates a setpoint value of the speed dependent on the actual position, the control module giving the drive unit controller a control command to reduce the actual value of the acceleration or to increase the actual value of the deceleration sends if the actual value of the speed is the setpoint of the speed for exceeds the current position.
  • the control module giving the drive unit controller a control command to reduce the actual value of the acceleration or to increase the actual value of the deceleration sends if the actual value of the speed is the setpoint of the speed for exceeds the current position.
  • the force measuring device between a front panel and one directly on it adjoining part of the movable furniture part is arranged. It can also be provided that the force measuring device between a front panel and the Drive unit, preferably in the engine.
  • Fig. 1 shows a movable furniture part, a drawer or a drawer 3 without the surrounding piece of furniture in which it is installed.
  • the drawer 3 has here, as is generally customary, a front panel 15 and a handle 16. Furthermore is on the drawer 3 shown in a side view a rail 14, which on its lower edge is designed as a rack.
  • the leadership of the Drawer when opening or closing takes place here, as in the prior art known, via the rail 14. This is not shown here in detail and can in be carried out in various ways.
  • a drive unit 5 is now arranged in such a way that the gear 13 driven by it in the attached to the guide rail 14 Rack engages.
  • the drive unit 5 has an electric motor preferably servo motor 6 and a gear 12.
  • the drawer 3 can by means of the drive unit 5 designed in this way both partially or completely opened and partially or completely closed.
  • the drive unit 5 is stationary attached to the furniture, not shown, surrounding the drawer.
  • a position measuring device 4 here as one in the rack engaging gear shown
  • the arrangement according to the invention Force measuring device 2 can be driven via a toothed wheel 17 engage the rack in the rail 14.
  • the force measuring device can e.g. also on handle 16 or be arranged between the front panel 15 and the drawer 3.
  • the force measuring device 2 between a front panel 15 and a part of the movable furniture part 3 directly adjoining it is arranged, or that the force measuring device between a front panel 15 and the Drive unit 5, preferably in the motor 6, is arranged.
  • 5 here is one Variant of the force measuring device 2 shown, which upon actuation of the handle 16 in vertical direction 21 is designed.
  • 6 shows a variant of the forces in horizontal direction 20 detected.
  • a force measuring device 2 Different force and accelerometers in question. This can e.g. Strain gauges, piezoelectric force transducers or electromagnetic Force measuring devices, e.g. Be moving coil instruments.
  • the Force measuring device 2 and the position measuring device 4 lead via suitable Lines of the control device 1 a force signal or position signal, from which in the Control device 1 a control signal for the drive unit 5 is calculated.
  • a force signal or position signal from which in the Control device 1 a control signal for the drive unit 5 is calculated.
  • the power transmission from the Drive unit 5, and the arrangement of the position measuring device 4 and the Force measuring device 2 can also be in a different way than that shown here be realized.
  • Drives via cables, toothed belts or otherwise driven guide rails.
  • the control device 1 shown in FIG. 2 first receives a force signal from the force measuring device 2 and a position signal from the position measuring device 4.
  • the control device 1, the force measuring device 2 and the position measuring device 4 can be designed in an analog, digital, partially analog and partially digital manner ,
  • the analog force measuring device 2 supplies an analog measurement signal to the analog input 18.
  • This transmits the measurement signal to the setpoint calculation device 7 and to the comparator 19.
  • the position signal generated by the position measuring device 4 (for example, a sine-cosine encoder or incremental encoder) is fed to the actual-value calculation device 8. In this, the current actual position x I and the actual speed as well as the current actual value of the acceleration or deceleration of the drawer are calculated from the position signal.
  • the actual value of the speed and the acceleration can be calculated, for example, by single or double derivation of the actual value of the position over time. All three actual values calculated in this way are supplied to the controller module 9 and to the speed setpoint calculation device 11. The latter uses this to calculate the setpoint of the speed for each position, which must not be exceeded by the actual value of the speed at any position (see Fig. 4).
  • the comparator 19 receives information about the current Actual speed as well as the force signal, which is the information on the outside forces currently applied to the drawer.
  • the comparator 19 calculates a signal that tells the control module 9 whether pressure or tension is on the movable furniture part or the drawer is exercised.
  • the Setpoint calculation device 7 calculates the setpoint value from the force signal Accelerating the drawer. In general, both Frictional forces, which when opening or closing the drawer or the Movable furniture part act, as well as the adhesive forces, which are only in the end positions act on the drawer or the movable furniture part, taken into account.
  • the calculation is to set a target value for the acceleration or deceleration To provide the acceleration or deceleration of an empty one Drawer or an empty movable piece of furniture with the measured externally equal forces. This can be done both through a calculation as well using a digital table in which measured accelerations or Delays of the empty furniture part depending on the measured from the outside this applied forces are stored, can be realized.
  • a unfilled furniture part preferably corresponds to the target value of the acceleration Acceleration value, which is without additional support from the drive unit would result from the external forces.
  • a filled one Furniture part is the setpoint of acceleration calculated in such a way that by the filling additional forces to open or close by the Drive unit can be compensated.
  • the values calculated as described above are fed to the control module 9.
  • a control command is generated in the control module 9, which the adaptation of the actual value of the acceleration or deceleration to the Setpoint used for acceleration or deceleration. This is beyond monitors that the actual value of the speed at no position of the movable Furniture part 3 exceeds the setpoint speed.
  • Alternatively to Actual value / setpoint adjustment of the acceleration can also be provided in the control module 9 be that the measured force applied externally to the movable furniture part 3 is adjusted to 0 by an appropriate acceleration or deceleration.
  • the control command thus calculated is fed to the drive unit controller 10. This can e.g.
  • control device 1 shown in FIG. 2 is only here a possible embodiment variant of a control method for the invention Arrangement.
  • the components shown schematically in Fig. 2 can be both an integrated component as well as an arrangement of various separate Components be formed.
  • the device according to the invention shown schematically in FIGS. 1 and 2 serves supporting both the closing and opening movements of the movable furniture part.
  • the delay phase can be such that the Servo assist effect is disabled from a custom position and the movable furniture part with the same kinematic parameters End position moved (forced guidance).
  • FIG. 3 shows the forces of a typical opening process for an empty (solid line) and a filled (dashed line) drawer in an arbitrarily selected calculation example.
  • an external actuation force 20 of 8 N for acceleration or an actuation force of 2 N for deceleration is necessary (solid line).
  • an external actuation force of 53 N for acceleration or 47 N for deceleration is required without servo assistance (dashed line).
  • 3 is based on a constant frictional force of 3 N, a non-existing locking force of the guide system of 0 N, a desired acceleration / deceleration of the drawer of 1 m / s 2 and a dead weight of the drawer of 5 kg.
  • the mass of the filling material is 45 kg.
  • the drawer behaves like an unloaded system (solid line), since the externally acting actuating force 20 is converted directly into a target value for the acceleration for the drive unit. This ensures that the filled drawer 3 also experiences an acceleration or a deceleration of 1 m / s 2 at 8 N actuating force 20. Without this support from the drive unit 5, the filled drawer would only experience an acceleration of 0.1 m / s 2 with the values used in the above calculation example if it were accelerated or decelerated with an actuating force of 8 N.
  • the externally applied actuating force F B is plotted as a function of the actual position x I of the drawer.
  • FIG. 4 shows an example of a curve of the target value V S of the speed calculated for a specific movement state of the movable furniture part.
  • This setpoint curve calculated in this way is used by the control device 1 to ensure that the movable furniture part comes to a standstill in the end positions (0 or x M ) and thus incorrect operation is not possible.
  • the ramp shown in FIG. 4 is calculated so that the maximum achievable speed decreases linearly to zero from a certain position.
  • corresponding setpoint value curves are preferably stored digitally.
  • a switching threshold can be provided during the control process, wherein if the actuating force 20 in the direction 20 or 21 is smaller than the switching threshold, the movable furniture part is decelerated with a user-defined delay value.
  • This switching threshold can be calculated, for example, from the frictional force of the empty, movable furniture part, but can also be determined using other criteria.
  • the control device 1 ensures that the maximum speed of the movable furniture part at any position is always less than or equal to the setpoint value V S of the speed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Abstract

The item has a movable component, e.g. a drawer (3), operated by an electric drive unit (5) using a servomotor (6), with a force measuring device (2) providing a signal indicating the external force applied to the movable component, for corresponding regulation of the drive unit via a regulation device (1). The latter maybe supplied with a second signal from a position measuring device (4), indicating the drawer position.

Description

Die vorliegende Erfindung betrifft eine Anordnung mit einem bewegbaren Möbelteil, insbesondere mit einer Schublade, oder dergleichen mit einer Antriebseinheit und mit einer Regeleinrichtung zur Regelung der Antriebseinheit.The present invention relates to an arrangement with a movable furniture part, in particular with a drawer, or the like with a drive unit and with a control device for controlling the drive unit.

Derartige Anordnungen sind grundsätzlich bereits bekannt. Die deutsche Patentschrift DE 1 017 351 beschreibt eine Einrichtung zum Ausziehen oder Einschieben von Schubladen in Möbel, die durch eine mittels korpusseitigen Drucktasten angesteuerte Antriebseinheit aus- bzw. einziehbar sind. Mit Hilfe der als Drucktasten ausgebildeten Auslöseeinrichtung ist jede mögliche Positionierung der Schublade zwischen der vollständig eingeschobenen und der vollständig herausgezogenen Position möglich. Die österreichische Patentschrift AT 398 513 B beschreibt eine Schubladenführungsgarnitur, deren Antrieb durch einen an der Frontblende der Schublade angeordneten kapazitiven Tastschalter angesteuert ist. Durch Berührung des Tastschalters fährt die Schublade ein bzw. aus. Die europäische Patentanmeldung EP 0 957 225 A1 enthält eine Vorrichtung zum Öffnen einer mit einer Antriebseinheit versehenen Schublade, wobei die Antriebseinheit durch ein als Tastschalter ausgeführtes Auslöseelement angesteuert ist. Die beiden zuletzt genannten Veröffentlichungen zeigen jeweils ein Auslöseelement, das zwei Schaltzustände kennt. Folglich ist nach einem einmal erfolgten Ausziehvorgang bei Betätigung des Auslöseelements nur die Auslösung des entgegengesetzten Vorgangs möglich.Such arrangements are basically already known. The German patent specification DE 1 017 351 describes a device for pulling out or pushing in Drawers in furniture that are controlled by a push button on the cabinet side Drive unit can be extended or retracted. With the help of trained as push buttons Trigger device is any possible positioning of the drawer between the fully retracted and fully withdrawn position possible. The Austrian patent AT 398 513 B describes a drawer slide set, whose drive is arranged on the front panel of the drawer capacitive push button switch is controlled. By touching the key switch, the Drawer on or off. The European patent application EP 0 957 225 A1 contains a device for opening a drawer provided with a drive unit, wherein the drive unit by a trigger element designed as a push button is controlled. The last two publications mentioned each show one Tripping element that knows two switching states. Hence after one time pull-out operation when the trigger element is actuated only the triggering of the opposite process possible.

Aufgabe der vorliegenden Erfindung ist es nun, eine gattungsgemäße Anordnung zu schaffen, die ein intuitiveres Bedienen eines durch eine Antriebseinheit angetriebenen bewegbaren Möbelteiles ermöglicht.The object of the present invention is now to provide a generic arrangement create a more intuitive operation of a driven by a drive unit Movable furniture part allows.

Dies wird erfindungsgemäß dadurch erreicht, dass die Anordnung eine, vorzugsweise analoge, Kraftmesseinrichtung aufweist, wobei die Kraftmesseinrichtung ein für von außen an das bewegbare Möbelteil angelegte Kräfte charakteristisches Kraftsignal erzeugt, welches der Regeleinrichtung zuführbar ist.This is achieved according to the invention in that the arrangement is one, preferably Analogous, force measuring device, the force measuring device one for Characteristic force signal applied to the outside of the movable furniture part generated, which can be fed to the control device.

Erfindungsgemäß ist somit eine Anordnung zur Verfügung gestellt, welche wie ein übliches, nicht zusätzlich angetriebenes bewegbares Möbelteil betätigt werden kann. Mittels der Kraftmesseinrichtung wird erfindungsgemäß ein Kraftsignal erzeugt, welches den Betätigungswunsch des Benutzers an die Regeleinrichtung weiterleitet. Hieraus berechnet die Regeleinrichtung ein Regelsignal, welches die Unterstützung der vom Benutzer gewünschten Bewegung des bewegbaren Möbelteils durch die Antriebseinheit ermöglicht. In dieser Weise wird die vom Benutzer gewünschte Bewegung unterstützt, wobei gleichzeitig die intuitiv bekannte Vorgehensweise beim Öffnen oder Schließen eines bewegbaren Möbelteils für den Benutzer voll erhalten bleibt.According to the invention, an arrangement is thus provided which is like an usual, not additionally driven movable furniture part can be operated. According to the invention, a force signal is generated by means of the force measuring device, which forwards the user's request for actuation to the control device. From this, the control device calculates a control signal, which is the support the movement of the movable furniture part desired by the user through the Drive unit enables. In this way, the one desired by the user Movement supports, while at the same time the intuitively known procedure for Full opening or closing of a movable piece of furniture for the user remains.

Besonders günstig ist es hierbei, dass das Kraftsignal sowohl die Information über den Betrag als auch über die Richtung, vorzugsweise über die Richtungskomponente parallel zur Auszugsrichtung des bewegbaren Möbelteils, der von außen an den bewegbaren Möbelteil angelegten Kräfte beinhaltet. In dieser Variante ist somit vorgesehen, dass von der Regeleinrichtung mittels der Kraftmesseinrichtung erkannt wird, ob Druck oder Zug auf den bewegbaren Möbelteil ausgeübt wird. Hierdurch kann die Regeleinrichtung entscheiden, ob der bewegbare Möbelteil geöffnet, geschlossen, beschleunigt oder verzögert werden soll. Darüber hinaus ist es durch die Messung des Betrages der von außen an den bewegbaren Möbelteil angelegten Kräfte auch möglich zu bestimmen, wie stark dieser beim Öffnen oder Schließen beschleunigt oder verzögert werden soll.It is particularly favorable here that the force signal contains both the information about the Amount as well as the direction, preferably via the direction component parallel to the extension direction of the movable furniture part, which from the outside to the includes movable forces applied forces. So in this variant provided that recognized by the control device by means of the force measuring device whether pressure or tension is exerted on the movable furniture part. This can the control device decides whether the movable furniture part is open, closed, should be accelerated or decelerated. In addition, it is by measuring the Amount of external forces applied to the movable furniture part is also possible to determine how much this accelerates when opening or closing should be delayed.

Des weiteren ist es günstig, dass die Anordnung mindestens eine Positionsmesseinrichtung aufweist, welche ein für den Öffnungszustand des bewegbaren Möbelteils charakteristisches und der Regeleinrichtung zuführbares Positionssignal erzeugt. Das so zur Verfügung gestellte Positionssignal kann der Berechnung der momentanen Istposition und/oder der momentanen Istgeschwindigkeit und/oder des momentanen Istwertes der Beschleunigung oder Verzögerung des bewegbaren Möbelteils als Funktion der gemessenen Position dienen. Dies wird günstigerweise dadurch realisiert, dass die Regeleinrichtung eine Istwertberechnungseinrichtung aufweist.Furthermore, it is favorable that the arrangement has at least one Has position measuring device which for the opening state of the Movable furniture part characteristic and feedable to the control device Position signal generated. The position signal made available in this way can Calculation of the current actual position and / or the current actual speed and / or the current actual value of the acceleration or deceleration of the movable furniture part serve as a function of the measured position. this will Conveniently realized in that the control device Has actual value calculation device.

In einer günstigen Variante ist des weiteren vorgesehen, dass die Regeleinrichtung eine Sollwertberechnungseinrichtung aufweist, welche aus dem von der Kraftmesseinrichtung erzeugten Kraftsignal einen Sollwert für die Beschleunigung oder die Verzögerung des bewegbaren Möbelteils berechnet, wobei eine besonders bevorzugte Ausgestaltungsform wiederum vorsieht, dass der Sollwert für die Beschleunigung oder die Verzögerung vom Beladungszustand des bewegbaren Möbelteils unabhängig ist. Durch diese Ausgestaltung wird erreicht, dass der bewegbare Möbelteil unabhängig von seiner Befüllung bei Anlegen einer bestimmten äußeren Kraft an das bewegbare Möbelteil immer mit der gleichen Beschleunigung oder Verzögerung bewegt wird. Dies gibt dem Benutzer das Gefühl, dass der bewegbare Möbelteil scheinbar unabhängig von seiner Befüllung immer die gleiche Masse besitzt und resultiert darin, dass das Öffnen oder Schließen eines vollständig gefüllten bewegbaren Möbelteils sich für den Benutzer in der gleichen Weise anfühlt und mit dem gleichen Kraftaufwand verbunden ist wie das Öffnen oder Schließen eines leeren bewegbaren Möbelteils.In a favorable variant it is further provided that the control device has a setpoint calculation device, which from the Force measuring device generated a target value for the acceleration or the delay of the movable furniture part is calculated, one particularly preferred embodiment in turn provides that the target value for the Acceleration or deceleration from the loaded state of the movable Furniture part is independent. This configuration ensures that the movable furniture part regardless of its filling when creating a certain external force on the movable furniture part always with the same acceleration or delay is moved. This gives the user the feeling that the Movable furniture part always the same regardless of how it is filled Bulk owns and results in the opening or closing of one completely filled movable furniture part feels to the user in the same way and involves the same amount of effort as opening or closing one empty movable furniture part.

Dies kann günstigerweise realisiert werden, indem die Regeleinrichtung ein Regelmodul aufweist, welches den Istwert der Beschleunigung oder Verzögerung an den Sollwert der Beschleunigung oder Verzögerung durch Weitergabe eines Regelsignals an einen Antriebseinheitregler anpaßt, wobei der Antriebseinheitregler die Antriebseinheit ansteuert. Durch diesen Istwert/Sollwert-Abgleich der Beschleunigung wird erreicht, dass die Antriebseinheit die Bewegung des bewegbaren Möbelteils gezielt in der Weise unterstützt, dass sich auch ein gefüllter bewegbarer Möbelteil für den Benutzer scheinbar wie ein leerer bewegbarer Möbelteil betätigen läßt.This can conveniently be achieved by using the control device Control module which indicates the actual value of the acceleration or deceleration the setpoint of acceleration or deceleration by passing on a Adapts control signal to a drive unit controller, the drive unit controller Controls drive unit. Through this actual value / setpoint adjustment of the acceleration is achieved that the drive unit stops the movement of the movable furniture part specifically supports in such a way that there is also a filled, movable furniture part for lets the user seem to operate like an empty movable piece of furniture.

Um ein rechtzeitiges Abbremsen des bewegbaren Möbelteils vor dem Erreichen seiner Endlage beim Öffnen oder Schließen zu gewährleisten, ist es vorteilhaft, wenn die Regeleinrichtung eine Geschwindigkeitsollwertberechnungseinrichtung aufweist, welche einen von der Istposition abhängigen Sollwert der Geschwindigkeit berechnet, wobei das Regelmodul dem Antriebseinheitregler einen Steuerbefehl zur Verringerung des Istwertes der Beschleunigung oder zur Erhöhung des Istwertes der Verzögerung zusendet, wenn der Istwert der Geschwindigkeit den Sollwert der Geschwindigkeit für die momentane Position überschreitet. In dieser Ausführungsform werden somit die vom Benutzer des bewegbaren Möbelteils durch Drücken oder Ziehen an diesem ausgeübten Steuersignale in der Weise kontrolliert, dass der bewegbare Möbelteil in der vollständig ausgefahren und in der vollständig eingeschobenen Position zur Ruhe kommt. Hierdurch werden unbeabsichtigte Beschädigungen der gesamten Einrichtung verhindert. To slow down the movable furniture part before reaching it To ensure end position when opening or closing, it is advantageous if the Control device has a speed setpoint calculation device, which calculates a setpoint value of the speed dependent on the actual position, the control module giving the drive unit controller a control command to reduce the actual value of the acceleration or to increase the actual value of the deceleration sends if the actual value of the speed is the setpoint of the speed for exceeds the current position. In this embodiment, the by the user of the movable furniture part by pressing or pulling on it Control signals exercised in such a way that the movable furniture part in the fully extended and in the fully retracted position to rest comes. This will cause accidental damage to the entire facility prevented.

Bei einer weiteren vorteilhaften Ausführungsform der Erfindung kann vorgesehen sein, dass die Kraftmesseinrichtung zwischen einem Frontpaneel und einem daran direkt anschließenden Teil des bewegbaren Möbelteils angeordnet ist. Es kann auch vorgesehen sein, dass die Kraftmesseinrichtung zwischen einem Frontpaneel und der Antriebseinheit, vorzugsweise im Motor, angeordnet ist.In a further advantageous embodiment of the invention, that the force measuring device between a front panel and one directly on it adjoining part of the movable furniture part is arranged. It can also be provided that the force measuring device between a front panel and the Drive unit, preferably in the engine.

Weitere Einzelheiten und Merkmale der vorliegenden Erfindung ergeben sich aus der nachfolgenden Figurenbeschreibung. Dabei zeigt:

Fig. 1
eine schematisierte Seitenansicht auf eine erfindungsgemäße Ausführungsform mit einer Schublade,
Fig. 2
ein Schema zu einer Möglichkeit der Ausbildung der Regeleinrichtung,
Fig. 3
ein Vergleich des Kraftbedarfs beim Betätigen einer rein manuell betriebenen Schublade im leeren und im gefüllten Zustand,
Fig.4
eine beispielhafte Darstellung zum Sollwert der Geschwindigkeit als Funktion der momentanen Position und
Fig. 5 und 6
spezielle Ausführungsvarianten der Kraftmesseinrichtung
Further details and features of the present invention result from the following description of the figures. It shows:
Fig. 1
2 shows a schematic side view of an embodiment according to the invention with a drawer,
Fig. 2
a scheme for a possibility of training the control device,
Fig. 3
a comparison of the power requirement when operating a purely manually operated drawer in the empty and in the filled state,
Figure 4
an exemplary representation of the setpoint value of the speed as a function of the current position and
5 and 6
special design variants of the force measuring device

Fig. 1 zeigt als bewegbaren Möbelteil eine Schublade oder einen Schubkasten 3 ohne das umgebende Möbelstück, in dem sie/er eingebaut ist. Die Schublade 3 weist hierbei, wie allgemein üblich, ein Frontpaneel 15 sowie einen Griff 16 auf. Des weiteren ist an der in einer Seitenansicht dargestellten Schublade 3 eine Schiene 14, welche an ihrer Unterkante als Zahnstange ausgebildet ist, angeordnet. Die Führung der Schublade beim Öffnen oder Schließen erfolgt hierbei, wie beim Stand der Technik bekannt, über die Schiene 14. Dies ist hier nicht genauer dargestellt und kann in verschiedensten Arten und Weisen ausgeführt sein. Zur Unterstützung der Öffnungsund Schließbewegung ist nun eine Antriebseinheit 5 in der Weise angeordnet, dass das von ihr angetriebene Zahnrad 13 in die an der Führungsschiene 14 angebrachte Zahnstange eingreift. Die Antriebseinheit 5 weist hierbei einen elektrischen Motor vorzugsweise Servomotor 6 sowie ein Getriebe 12 auf. Die Schublade 3 kann mittels der so gestalteten Antriebseinheit 5 sowohl teilweise oder vollständig geöffnet als auch teilweise oder vollständig geschlossen werden. Hierbei ist die Antriebseinheit 5 ortsfest am nicht weiter dargestellten, die Schublade umgebenden Möbel angebracht. Zur Bestimmung eines Positionssignals, welches den Öffnungs- bzw. Schließzustand der Schublade angibt, ist eine Positionsmesseinrichtung 4 (hier als ein in die Zahnstange eingreifendes Zahnrad dargestellt) vorgesehen.Fig. 1 shows a movable furniture part, a drawer or a drawer 3 without the surrounding piece of furniture in which it is installed. The drawer 3 has here, as is generally customary, a front panel 15 and a handle 16. Furthermore is on the drawer 3 shown in a side view a rail 14, which on its lower edge is designed as a rack. The leadership of the Drawer when opening or closing takes place here, as in the prior art known, via the rail 14. This is not shown here in detail and can in be carried out in various ways. To support the opening and Closing movement, a drive unit 5 is now arranged in such a way that the gear 13 driven by it in the attached to the guide rail 14 Rack engages. The drive unit 5 has an electric motor preferably servo motor 6 and a gear 12. The drawer 3 can by means of the drive unit 5 designed in this way both partially or completely opened and partially or completely closed. Here, the drive unit 5 is stationary attached to the furniture, not shown, surrounding the drawer. to Determination of a position signal which indicates the opening or closing state of the Indicates drawer is a position measuring device 4 (here as one in the rack engaging gear shown) provided.

Zur Bestimmung des Betrages und der Richtung der von außen an die Schublade 3 angreifenden Kräfte 20 weist die Anordnung erfindungsgemäß eine Kraftmesseinrichtung 2 auf. Diese Kraftmesseinrichtung 2 kann über ein Zahnrad 17 in die Zahnstange in der Schiene 14 eingreifen. Alternativ hierzu sind jedoch auch zahlreiche andere Anordnungs- und Ausbildungsformen der erfindungsgemäßen Kraftmesseinrichtung möglich. So kann die Kraftmesseinrichtung z.B. auch am Griff 16 oder zwischen Frontpaneel 15 und Schublade 3 angeordnet sein. Allgemein kann vorgesehen sein, dass die Kraftmesseinrichtung 2 zwischen einem Frontpaneel 15 und einem daran direkt anschließenden Teil des bewegbaren Möbelteils 3 angeordnet ist, oder dass die Kraftmesseinrichtung zwischen einem Frontpaneel 15 und der Antriebseinheit 5, vorzugsweise im Motor 6, angeordnet ist. In Fig. 5 ist hierbei eine Variante der Kraftmesseinrichtung 2 gezeigt, welche auf Betätigung des Griffes 16 in vertikaler Richtung 21 ausgelegt ist. In Fig. 6 ist eine Variante gezeigt, welche Kräfte in horizontaler Richtung 20 detektiert. Als Kraftmesseinrichtung 2 kommen unterschiedlichste Kraft- bzw. Beschleunigungsmesser in Frage. Dies können z.B. Dehnungsmeßstreifen, piezoelektrische Kraftaufnehmer oder elektromagnetische Kraftmesseinrichtungen, wie z.B. Tauchspuleninstrumente sein. Die Kraftmesseinrichtung 2 sowie die Positionsmesseinrichtung 4 führen über geeignete Leitungen der Regeleinrichtung 1 ein Kraftsignal bzw. Positionssignal zu, woraus in der Regeleinrichtung 1 ein Ansteuersignal für die Antriebseinheit 5 berechnet wird. Bei der Messung der von außen an die Schublade angreifenden Kräfte 20 wird in der Regel wie in der in Fig. 1 dargestellten üblichen Ausführungsform nur die in Bewegungsrichtung der Schublade 3 verlaufende horizontale Kraftkomponente (durch die Pfeilrichtung 20 gekennzeichnet) gemessen, da die vertikal angreifenden Kraftkomponenten durch die Führungsschiene auf entsprechende nach dem Stand der Technik ausgebildete Lager übertragen werden. Die Kraftübertragung von der Antriebseinheit 5, sowie die Anordnung der Positionsmesseinrichtung 4 und der Kraftmesseinrichtung 2 können auch in anderer als der hier dargestellten Weise realisiert sein. In Frage kommen hierzu z.B. Antriebe über Seilzüge, Zahnriemen oder anderweitig angetriebene Führungsschienen. To determine the amount and the direction of the outside of the drawer 3 attacking forces 20, the arrangement according to the invention Force measuring device 2. This force measuring device 2 can be driven via a toothed wheel 17 engage the rack in the rail 14. Alternatively, however, are also numerous other forms of arrangement and training of the invention Force measuring device possible. The force measuring device can e.g. also on handle 16 or be arranged between the front panel 15 and the drawer 3. Generally can be provided that the force measuring device 2 between a front panel 15 and a part of the movable furniture part 3 directly adjoining it is arranged, or that the force measuring device between a front panel 15 and the Drive unit 5, preferably in the motor 6, is arranged. 5 here is one Variant of the force measuring device 2 shown, which upon actuation of the handle 16 in vertical direction 21 is designed. 6 shows a variant of the forces in horizontal direction 20 detected. Come as a force measuring device 2 Different force and accelerometers in question. This can e.g. Strain gauges, piezoelectric force transducers or electromagnetic Force measuring devices, e.g. Be moving coil instruments. The Force measuring device 2 and the position measuring device 4 lead via suitable Lines of the control device 1 a force signal or position signal, from which in the Control device 1 a control signal for the drive unit 5 is calculated. In the Measurement of the forces 20 acting on the drawer from the outside is generally carried out as in the usual embodiment shown in Fig. 1 only in Direction of movement of the drawer 3 horizontal force component (through the arrow direction 20 marked) measured, since the vertically attacking Force components through the guide rail to corresponding according to the state of the Technically trained bearings are transferred. The power transmission from the Drive unit 5, and the arrangement of the position measuring device 4 and the Force measuring device 2 can also be in a different way than that shown here be realized. For example, Drives via cables, toothed belts or otherwise driven guide rails.

Die in Fig. 2 dargestellte Regeleinrichtung 1 erhält zunächst ein Kraftsignal von der Kraftmesseinrichtung 2 sowie ein Positionssignal von der Positionsmesseinrichtung 4. Die Regeleinrichtung 1, die Kraftmesseinrichtung 2 sowie die Positionsmesseinrichtung 4 können sowohl analog als auch digital als auch teilweise analog und teilweise digital ausgebildet sein. Im dargestellten Beispiel führt die analoge Kraftmesseinrichtung 2 ein analoges Meßsignal dem Analogeingang 18 zu. Dieser überträgt das Meßsignal zur Sollwertberechnungseinrichtung 7 sowie zum Komparator 19. Das von der Positionsmesseinrichtung 4 (z.B. als Sinus-Cosinus-Geber oder Incremental-Geber ausgebildeter Encoder) erzeugte Positionssignal wird der Istwertberechnungseinrichtung 8 zugeführt. In dieser wird aus dem Positionssignal sowohl die momentane Istposition xI und Istgeschwindigkeit als auch der momentane Istwert der Beschleunigung oder Verzögerung der Schublade berechnet. Der Istwert der Geschwindigkeit und der Beschleunigung können dabei z.B. durch einfache bzw. zweifache Ableitung des Istwertes der Position nach der Zeit berechnet werden. Alle drei so berechneten Istwerte werden dem Reglermodul 9 sowie der Geschwindigkeitssollwertberechnungseinrichtung 11 zugeführt. Letztere berechnet hieraus für jede Position den Sollwert der Geschwindigkeit, welcher an keiner Position vom Istwert der Geschwindigkeit übertroffen werden darf (siehe hierzu Fig. 4).The control device 1 shown in FIG. 2 first receives a force signal from the force measuring device 2 and a position signal from the position measuring device 4. The control device 1, the force measuring device 2 and the position measuring device 4 can be designed in an analog, digital, partially analog and partially digital manner , In the example shown, the analog force measuring device 2 supplies an analog measurement signal to the analog input 18. This transmits the measurement signal to the setpoint calculation device 7 and to the comparator 19. The position signal generated by the position measuring device 4 (for example, a sine-cosine encoder or incremental encoder) is fed to the actual-value calculation device 8. In this, the current actual position x I and the actual speed as well as the current actual value of the acceleration or deceleration of the drawer are calculated from the position signal. The actual value of the speed and the acceleration can be calculated, for example, by single or double derivation of the actual value of the position over time. All three actual values calculated in this way are supplied to the controller module 9 and to the speed setpoint calculation device 11. The latter uses this to calculate the setpoint of the speed for each position, which must not be exceeded by the actual value of the speed at any position (see Fig. 4).

Der Komparator 19 erhält sowohl Informationen über die momentane Istgeschwindigkeit als auch das Kraftsignal, welches die Information über die äußerlich an die Schublade momentan angelegten Kräfte beinhaltet. Der Komparator 19 berechnet hierbei ein Signal, das dem Regelmodul 9 mitteilt, ob Druck oder Zug auf das bewegbare Möbelteil bzw. die Schublade ausgeübt wird. Die Sollwertberechnungseinrichtung 7 berechnet aus dem Kraftsignal den Sollwert der Beschleunigung der Schublade. Hierbei werden im allgemeinen sowohl die Reibungskräfte, welche beim Öffnen oder Schließen auf die Schublade bzw. das bewegbare Möbelteil wirken, als auch die Haftkräfte, welche nur in den Endpositionen auf die Schublade bzw. das bewegbare Möbelteil wirken, berücksichtigt. Ziel der Berechnung ist es, einen Sollwert der Beschleunigung bzw. Verzögerung zur Verfügung zu stellen, der der Beschleunigung bzw. Verzögerung einer leeren Schublade bzw. eines leeren bewegbaren Möbelteils bei den gemessenen äußerlich anliegenden Kräften gleichkommt. Dies kann sowohl durch eine Berechnung als auch mittels einer digitalen Tabelle, in der gemessene Beschleunigungen bzw. Verzögerungen des leeren Möbelteiles in Abhängigkeit der gemessenen von außen an dieses angelegten Kräfte gespeichert sind, realisiert werden. Im Falle eines nichtgefüllten Möbelteils entspricht der Sollwert der Beschleunigung vorzugsweise dem Beschleunigungswert, welcher sich ohne zusätzliche Unterstützung der Antriebseinheit durch die äußerlich angelegten Kräfte ergeben würde. Im Falle eines gefüllten Möbelteils ist der Sollwert der Beschleunigung in der Weise berechnet, dass die durch die Befüllung zusätzlich aufzuwendenden Kräfte zum Öffnen oder Schließen durch die Antriebseinheit kompensiert werden. Die - wie oben geschildert - berechneten Werte werden dem Regelmodul 9 zugeführt. Im Regelmodul 9 wird ein Steuerbefehl erzeugt, welcher der Anpassung des Istwertes der Beschleunigung oder Verzögerung an den Sollwert der Beschleunigung oder Verzögerung dient. Hierbei wird darüber hinaus überwacht, dass der Istwert der Geschwindigkeit an keiner Position des bewegbaren Möbelteils 3 den Sollwert der Geschwindigkeit überschreitet. Alternativ zum Istwert/Sollwert Abgleich der Beschleunigung kann im Regelmodul 9 auch vorgesehen sein, dass die gemessene äußerlich an das bewegbare Möbelteil 3 angelegte Kraft durch eine entsprechende Beschleunigung oder Verzögerung auf 0 abgeglichen wird. Der so berechnete Steuerbefehl wird dem Antriebseinheitsregler 10 zugeführt. Dieser kann z.B. als Servomotor-Regelmodul, vozugsweise mit kaskadiertem Lageregler, Geschwindigkeitsregler und Stromregler ausgebildet sein und dient der Ansteuerung des Motors bzw. Servomotors 6 der Antriebseinheit 5. Das hierzu notwendige Ansteuersignal kann z.B. ein pulsweitenmodulierter Strom, wie beim Stand der Technik für Servoregler bekannt, sein. Die in Fig. 2 gezeigte Regeleinrichtung 1 ist hierbei nur eine mögliche Ausführungsvariante eines Regelverfahrens für die erfindungsgemäße Anordnung. Die in Fig. 2 schematisch dargestellten Komponenten können sowohl als ein integriertes Bauelement als auch als eine Anordnung verschiedener separater Komponenten ausgebildet sein.The comparator 19 receives information about the current Actual speed as well as the force signal, which is the information on the outside forces currently applied to the drawer. The comparator 19 calculates a signal that tells the control module 9 whether pressure or tension is on the movable furniture part or the drawer is exercised. The Setpoint calculation device 7 calculates the setpoint value from the force signal Accelerating the drawer. In general, both Frictional forces, which when opening or closing the drawer or the Movable furniture part act, as well as the adhesive forces, which are only in the end positions act on the drawer or the movable furniture part, taken into account. goal of The calculation is to set a target value for the acceleration or deceleration To provide the acceleration or deceleration of an empty one Drawer or an empty movable piece of furniture with the measured externally equal forces. This can be done both through a calculation as well using a digital table in which measured accelerations or Delays of the empty furniture part depending on the measured from the outside this applied forces are stored, can be realized. in case of a unfilled furniture part preferably corresponds to the target value of the acceleration Acceleration value, which is without additional support from the drive unit would result from the external forces. In the case of a filled one Furniture part is the setpoint of acceleration calculated in such a way that by the filling additional forces to open or close by the Drive unit can be compensated. The values calculated as described above are fed to the control module 9. A control command is generated in the control module 9, which the adaptation of the actual value of the acceleration or deceleration to the Setpoint used for acceleration or deceleration. This is beyond monitors that the actual value of the speed at no position of the movable Furniture part 3 exceeds the setpoint speed. Alternatively to Actual value / setpoint adjustment of the acceleration can also be provided in the control module 9 be that the measured force applied externally to the movable furniture part 3 is adjusted to 0 by an appropriate acceleration or deceleration. The control command thus calculated is fed to the drive unit controller 10. This can e.g. as a servo motor control module, preferably with a cascaded position controller, Speed controller and current controller should be designed and used for control of the motor or servo motor 6 of the drive unit 5. The necessary for this Control signal can e.g. a pulse width modulated current, as in the prior art known for servo drives. The control device 1 shown in FIG. 2 is only here a possible embodiment variant of a control method for the invention Arrangement. The components shown schematically in Fig. 2 can be both an integrated component as well as an arrangement of various separate Components be formed.

Die in den Fig. 1 und 2 schematisch dargestellte erfindungsgemäße Einrichtung dient sowohl der Unterstützung der Schließ- als auch der Öffnungsbewegung des bewegbaren Möbelteils. Beim Schließvorgang ergeben sich die Beschleunigungsphasen und Verzögerungsphasen in entsprechender Weise wie beim Öffnungsvorgang. Die Verzögerungsphase kann jedoch so erfolgen, dass der Servounterstützungseffekt ab einer benutzerdefinierten Position deaktiviert wird und der bewegbare Möbelteil sich mit immer gleichen kinematischen Parametern in die Endlage bewegt (Zwangsführung). The device according to the invention shown schematically in FIGS. 1 and 2 serves supporting both the closing and opening movements of the movable furniture part. When closing, the result Acceleration phases and deceleration phases in the same way as for Opening process. However, the delay phase can be such that the Servo assist effect is disabled from a custom position and the movable furniture part with the same kinematic parameters End position moved (forced guidance).

In Fig. 3 sind in einem beliebig herausgegriffenen Rechenbeispiel die Kräfte eines typischen Öffnungsvorgangs für eine leere (durchgezogene Linie) und eine gefüllte (gestrichelte Linie) Schublade dargestellt. Um eine Beschleunigung und eine Verzögerung von jeweils 1m/s2 für die Schublade zu erreichen, ist im Fall der unbeladenen Schublade 3 eine externe Betätigungskraft 20 von 8 N zur Beschleunigung bzw. eine Betätigungskraft von 2 N zur Verzögerung notwendig (durchgezogene Linie). Um bei gefüllter Schublade die gleichen Beschleunigungs- und Verzögerungswerte für eine gefüllte Schublade zu erreichen, ist ohne Servounterstützung eine externe Betätigungskraft von 53 N zur Beschleunigung bzw. von 47 N zur Verzögerung notwendig (strichlierte Linie). Diesem in Fig. 3 gezeigten Rechenbeispiel sind eine gleichbleibende Reibungskraft von 3 N, eine nicht vorhandene Zuhaltekraft des Führungssystems von 0 N, eine gewünschte Beschleunigung/Verzögerung der Lade von 1 m/s2 und eine Eigenmasse der Schublade von 5 kg zugrunde gelegt. Die Masse des Füllgutes beträgt 45 kg.3 shows the forces of a typical opening process for an empty (solid line) and a filled (dashed line) drawer in an arbitrarily selected calculation example. In order to achieve an acceleration and a deceleration of 1m / s 2 for the drawer, in the case of the unloaded drawer 3 an external actuation force 20 of 8 N for acceleration or an actuation force of 2 N for deceleration is necessary (solid line). To achieve the same acceleration and deceleration values for a filled drawer when the drawer is full, an external actuation force of 53 N for acceleration or 47 N for deceleration is required without servo assistance (dashed line). This calculation example shown in FIG. 3 is based on a constant frictional force of 3 N, a non-existing locking force of the guide system of 0 N, a desired acceleration / deceleration of the drawer of 1 m / s 2 and a dead weight of the drawer of 5 kg. The mass of the filling material is 45 kg.

Durch die in Fig. 1 und 2 illustrierte erfindungsgemäße Anordnung verhält sich die Schublade jedoch wie ein unbeladenes System (durchgezogene Linie), da die äußerlich angreifende Betätigungskraft 20 direkt in einen Sollwert der Beschleunigung für die Antriebseinheit umgerechnet wird. Hierdurch wird erreicht, dass bereits bei 8 N Betätigungskraft 20 die gefüllte Schublade 3 durch Unterstützung ebenfalls eine Beschleunigung bzw. eine Verzögerung von 1 m/s2 erfährt. Ohne diese Unterstützung durch die Antriebseinheit 5 würde die gefüllte Schublade bei den im oben angeführten Berechnungsbeispiel zugrundegelegten Werten lediglich eine Beschleunigung von 0,1 m/s2 erfahren, wenn sie mit einer Betätigungskraft von 8 N beschleunigt bzw. verzögert würde. Im in Fig. 3 dargestellten Beispiel ist die äußerlich angelegte Betätigungskraft FB in Abhängigkeit der Istposition xI der Schublade aufgetragen.Due to the arrangement according to the invention illustrated in FIGS. 1 and 2, however, the drawer behaves like an unloaded system (solid line), since the externally acting actuating force 20 is converted directly into a target value for the acceleration for the drive unit. This ensures that the filled drawer 3 also experiences an acceleration or a deceleration of 1 m / s 2 at 8 N actuating force 20. Without this support from the drive unit 5, the filled drawer would only experience an acceleration of 0.1 m / s 2 with the values used in the above calculation example if it were accelerated or decelerated with an actuating force of 8 N. In the example shown in FIG. 3, the externally applied actuating force F B is plotted as a function of the actual position x I of the drawer.

Fig. 4 zeigt ein Beispiel einer für einen bestimmten Bewegungszustand des bewegbaren Möbelteils berechneten Kurve des Sollwertes VS der Geschwindigkeit. Diese so berechnete Sollwertkurve dient der Regeleinrichtung 1 dazu, sicherzustellen, dass das bewegbare Möbelteil in den Endlagen (0 oder xM) zum Stillstand kommt und somit keine Fehlbedienung möglich ist. Beim Öffnen oder Schließen wird die in Fig. 4 dargestellte Rampe so berechnet, dass die maximal erreichbare Geschwindigkeit ab einer bestimmten Position linear auf Null abnimmt. Alternativ zur Berechnung des Sollwertes der Geschwindigkeit kann auch vorgesehen sein, dass entsprechende Sollwertkurven vorzugsweise digital abgespeichert sind.FIG. 4 shows an example of a curve of the target value V S of the speed calculated for a specific movement state of the movable furniture part. This setpoint curve calculated in this way is used by the control device 1 to ensure that the movable furniture part comes to a standstill in the end positions (0 or x M ) and thus incorrect operation is not possible. When opening or closing, the ramp shown in FIG. 4 is calculated so that the maximum achievable speed decreases linearly to zero from a certain position. As an alternative to calculating the setpoint value of the speed, it can also be provided that corresponding setpoint value curves are preferably stored digitally.

Zusätzlich kann eine Schaltschwelle beim Regelvorgang vorgesehen sein, wobei, wenn die Betätigungskraft 20 in Richtung 20 oder 21 kleiner als die Schaltschwelle ist, das bewegbare Möbelteil mit einem benutzerdefinierten Verzögerungswert verzögert wird. Diese Schaltschwelle kann z.B. aus der Reibungskraft des leeren bewegbaren Möbelteils errechnet, jedoch auch mittels anderer Gesichtspunkte ermittelt werden. Insgesamt sorgt die Regeleinrichtung 1 dafür, dass die Höchstgeschwindigkeit des bewegbaren Möbelteils an jeder Position immer kleiner oder gleich dem Sollwert VS der Geschwindigkeit ist.In addition, a switching threshold can be provided during the control process, wherein if the actuating force 20 in the direction 20 or 21 is smaller than the switching threshold, the movable furniture part is decelerated with a user-defined delay value. This switching threshold can be calculated, for example, from the frictional force of the empty, movable furniture part, but can also be determined using other criteria. Overall, the control device 1 ensures that the maximum speed of the movable furniture part at any position is always less than or equal to the setpoint value V S of the speed.

Claims (11)

Anordnung mit einem bewegbaren Möbelteil, insbesondere mit einer Schublade, oder dergleichen, mit einer Antriebseinheit und mit einer Regeleinrichtung zur Regelung der Antriebseinheit, dadurch gekennzeichnet, dass die Anordnung eine, vorzugsweise analoge, Kraftmesseinrichtung (2) aufweist, wobei die Kraftmesseinrichtung (2) ein für von außen an das bewegbare Möbelteil (3) angelegte Kräfte (20, 21) charakteristisches Kraftsignal erzeugt, welches der Regeleinrichtung (1) zuführbar ist.Arrangement with a movable furniture part, in particular with a drawer or the like, with a drive unit and with a regulating device for regulating the drive unit, characterized in that the arrangement has a, preferably analog, force measuring device (2), the force measuring device (2) being a Generates a characteristic force signal for forces (20, 21) applied to the movable furniture part (3) from the outside, which force signal can be fed to the control device (1). Anordnung nach Anspruch 1, dadurch gekennzeichnet, dass das Kraftsignal sowohl die Information über den Betrag als auch über die Richtung, vorzugsweise über die Richtungskomponente parallel zur Auszugsrichtung des bewegbaren Möbelteils (3) der von außen an das bewegbare Möbelteil (3) angelegten Kräfte (20) beinhaltet.Arrangement according to claim 1, characterized in that the force signal not only provides information about the amount but also about the direction, preferably about the directional component parallel to the direction of extension of the movable furniture part (3) of the forces (20) applied to the movable furniture part (3) from the outside ) includes. Anordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sie mindestens eine Positionsmesseinrichtung (4) aufweist, welche ein für den Öffnungszustand des bewegbaren Möbelteils (3) charakteristisches und der Regeleinrichtung (1) zuführbares Positionssignal erzeugt.Arrangement according to claim 1 or 2, characterized in that it has at least one position measuring device (4) which generates a position signal which is characteristic of the opening state of the movable furniture part (3) and which can be supplied to the control device (1). Anordnung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Antriebseinheit (5) einen elektrischen Motor (6), vorzugsweise einen Servomotor, aufweist.Arrangement according to one of claims 1 to 3, characterized in that the drive unit (5) has an electric motor (6), preferably a servo motor. Anordnung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Regeleinrichtung (1) eine Sollwertberechnungseinrichtung (7) aufweist, welche aus dem von der Kraftmesseinrichtung (2) erzeugten Kraftsignal einen Sollwert für die Beschleunigung oder die Verzögerung des bewegbaren Möbelteils (3) berechnet.Arrangement according to one of Claims 1 to 4, characterized in that the control device (1) has a setpoint calculation device (7) which, from the force signal generated by the force measuring device (2), has a setpoint value for the acceleration or deceleration of the movable furniture part (3) calculated. Anordnung nach Anspruch 5, dadurch gekennzeichnet, dass der Sollwert für die Beschleunigung oder die Verzögerung vom Beladungszustand des bewegbaren Möbelteils (3) unabhängig ist. Arrangement according to claim 5, characterized in that the target value for the acceleration or deceleration is independent of the loading state of the movable furniture part (3). Anordnung nach einem der Ansprüche 3 bis 6, dadurch gekennzeichnet, dass die Regeleinrichtung (1) eine Istwertberechnungseinrichtung (8) aufweist, welche aus dem von der Positionsmesseinrichtung (4) erzeugten Positionssignal, die momentane Istposition und/oder die momentane Istgeschwindigkeit und/oder den momentanen Istwert der Beschleunigung oder Verzögerung des bewegbaren Möbelteils (3) als Funktion der gemessenen Position berechnet.Arrangement according to one of claims 3 to 6, characterized in that the control device (1) has an actual value calculation device (8) which, from the position signal generated by the position measuring device (4), the current actual position and / or the current actual speed and / or the instantaneous actual value of the acceleration or deceleration of the movable furniture part (3) calculated as a function of the measured position. Anordnung nach Anspruch 7, dadurch gekennzeichnet, dass die Regeleinrichtung (1) ein Regelmodul (9) aufweist, welches den Istwert der Beschleunigung oder Verzögerung an den Sollwert der Beschleunigung oder Verzögerung durch Weitergabe eines Regelsignals an einen Antriebseinheitregler (10) anpaßt, wobei der Antriebseinheitregler (10) die Antriebseinheit (5) ansteuert.Arrangement according to Claim 7, characterized in that the control device (1) has a control module (9) which adjusts the actual value of the acceleration or deceleration to the setpoint value of the acceleration or deceleration by passing on a control signal to a drive unit controller (10), the drive unit controller (10) controls the drive unit (5). Anordnung nach Anspruch 8, dadurch gekennzeichnet, dass die Regeleinrichtung (1) eine Geschwindigkeitsollwertberechnungseinrichtung (11) aufweist, welche einen von der Istposition abhängigen Sollwert der Geschwindigkeit berechnet, wobei das Regelmodul (9) dem Antriebseinheitregler (10) einen Steuerbefehl zur Verringerung des Istwertes der Beschleunigung oder zur Erhöhung des Istwertes der Verzögerung zusendet, wenn der Istwert der Geschwindigkeit den Sollwert der Geschwindigkeit für die momentane Position überschreitet.Arrangement according to Claim 8, characterized in that the control device (1) has a speed setpoint calculation device (11) which calculates a setpoint value of the speed which is dependent on the actual position, the control module (9) giving the drive unit controller (10) a control command to reduce the actual value of the Acceleration or to increase the actual value of the deceleration when the actual value of the speed exceeds the setpoint of the speed for the current position. Anordnung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Kraftmesseinrichtung (2) zwischen einem Frontpaneel (15) und einem daran direkt anschließenden Teil des bewegbaren Möbelteils (3) angeordnet ist.Arrangement according to one of claims 1 to 9, characterized in that the force measuring device (2) is arranged between a front panel (15) and a part of the movable furniture part (3) directly adjoining it. Anordnung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Kraftmesseinrichtung (2) zwischen einem Frontpaneel (15) und der Antriebseinheit (5), vorzugsweise im Motor (6), angeordnet ist.Arrangement according to one of claims 1 to 9, characterized in that the force measuring device (2) is arranged between a front panel (15) and the drive unit (5), preferably in the motor (6).
EP02027227A 2001-12-27 2002-12-06 Device with a movable furniture part, including drive unit and control device Expired - Fee Related EP1323363B1 (en)

Applications Claiming Priority (2)

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AT20372001 2001-12-27
AT0203701A AT413631B (en) 2001-12-27 2001-12-27 ARRANGEMENT WITH A MOVABLE FURNITURE, WITH A DRIVE UNIT AND WITH A CONTROL DEVICE

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EP1323363A1 true EP1323363A1 (en) 2003-07-02
EP1323363B1 EP1323363B1 (en) 2008-02-20

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EP (1) EP1323363B1 (en)
JP (1) JP2003334120A (en)
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AT (2) AT413631B (en)
DE (1) DE50211731D1 (en)
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DE202006005578U1 (en) * 2006-04-04 2007-08-16 Grass Gmbh Device for moving a first furniture part relative to a second furniture part and furniture
US7812561B2 (en) 2006-04-04 2010-10-12 Grass Gmbh Device for controlling a movement of furniture parts which can be moved with respect to one another, and piece of furniture
US7816880B2 (en) 2006-04-04 2010-10-19 Grass Gmbh Device for controlling the movement of a moveable furniture part, and a piece of furniture having a device such as this
DE202006005579U1 (en) * 2006-04-04 2007-08-16 Grass Gmbh Device for influencing the movement of furniture parts and furniture that are movable relative to one another
US8044627B2 (en) 2006-04-04 2011-10-25 Grass Gmbh Device for controlling the movement of furniture parts which can be moved with respect to one another, and a piece of furniture
US8026686B2 (en) 2006-04-04 2011-09-27 Grass Gmbh Device for controlling the movement of a plurality of movable furniture parts and method for configuration of a device such as this, and piece of furniture
US8026685B2 (en) 2006-04-04 2011-09-27 Grass Gmbh Device for controlling the movement of a plurality of moveable furniture parts, and a method for configuration of a device such as this, and piece of furniture
US8013558B2 (en) 2006-04-04 2011-09-06 Grass Gmbh Method for adjusting a closing gap in a piece of furniture, device for moving a movable furniture part relative to a stationary furniture part, and piece of furniture
US7994743B2 (en) 2006-04-04 2011-08-09 Grass Gmbh Device for moving a first furniture part relative to a second furniture part, and a piece of furniture
US8005577B2 (en) 2006-04-04 2011-08-23 Grass Gmbh Apparatus for controlling the movement of furniture parts which can be moved with respect to one another, and piece of furniture
DE202006006181U1 (en) * 2006-04-18 2007-08-30 Paul Hettich Gmbh & Co. Kg Furniture
DE202006012087U1 (en) * 2006-08-04 2007-12-20 Grass Gmbh Device for moving a first furniture part relative to a second furniture part and furniture
WO2008113402A1 (en) * 2007-03-21 2008-09-25 Linrot Holding Ag Piece of furniture
AT505562B1 (en) * 2007-07-24 2013-04-15 Blum Gmbh Julius FURNITURE DRIVE
WO2009012507A1 (en) 2007-07-24 2009-01-29 Julius Blum Gmbh Furniture drive
JP2010534090A (en) * 2007-07-24 2010-11-04 ジュリウス ブルム ゲゼルシャフト エム．ビー．エイチ． Furniture drive
EP2090190A1 (en) * 2008-02-18 2009-08-19 Paul Hettich GmbH & Co. KG Acoustic signal creation in furniture with electromechanical drive device
EP2283293A4 (en) * 2008-03-26 2015-06-10 Lg Electronics Inc System and method for driving a drawer in a refrigerator
EP3553434A1 (en) * 2008-03-26 2019-10-16 Lg Electronics Inc. Method for driving a drawer in a refrigerator
FR2937369A1 (en) * 2008-10-17 2010-04-23 Bernard Loiseau Sa Service-hatch device for use on partition in e.g. catering industry, has slide slidingly mounted through partition via glide, and obturator element preventing continuous passage of smoke from room to other places
AT526352B1 (en) * 2022-12-23 2024-02-15 Blum Gmbh Julius Arrangement comprising a fixed furniture part, a movable furniture part, a guide device and an electric drive device
AT526351B1 (en) * 2022-12-23 2024-02-15 Blum Gmbh Julius Arrangement comprising a fixed furniture part, a movable furniture part, a guide device and an electric drive device
AT526351A4 (en) * 2022-12-23 2024-02-15 Blum Gmbh Julius Arrangement comprising a fixed furniture part, a movable furniture part, a guide device and an electric drive device
AT526352A4 (en) * 2022-12-23 2024-02-15 Blum Gmbh Julius Arrangement comprising a fixed furniture part, a movable furniture part, a guide device and an electric drive device

Also Published As

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JP2003334120A (en) 2003-11-25
CN1428115A (en) 2003-07-09
ATA20372001A (en) 2005-09-15
DE50211731D1 (en) 2008-04-03
CN100353886C (en) 2007-12-12
ES2299549T3 (en) 2008-06-01
US7633258B2 (en) 2009-12-15
AT413631B (en) 2006-04-15
US20030122519A1 (en) 2003-07-03
EP1323363B1 (en) 2008-02-20
ATE386451T1 (en) 2008-03-15

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