EP2164364B1 - Drive for a movable furniture element - Google Patents

Drive for a movable furniture element Download PDF

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Publication number
EP2164364B1
EP2164364B1 EP08733255A EP08733255A EP2164364B1 EP 2164364 B1 EP2164364 B1 EP 2164364B1 EP 08733255 A EP08733255 A EP 08733255A EP 08733255 A EP08733255 A EP 08733255A EP 2164364 B1 EP2164364 B1 EP 2164364B1
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EP
European Patent Office
Prior art keywords
drive
furniture part
actuator
motor
measuring device
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.)
Active
Application number
EP08733255A
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German (de)
French (fr)
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EP2164364A1 (en
Inventor
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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Publication date
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Publication of EP2164364A1 publication Critical patent/EP2164364A1/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47BTABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40Sliding drawers; Slides or guides therefor
    • A47B88/453Actuated drawers
    • A47B88/457Actuated drawers operated by electrically-powered actuation means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05DHINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00Suspension arrangements for wings
    • E05D15/26Suspension arrangements for wings for folding wings
    • E05D15/262Suspension arrangements for wings for folding wings folding vertically
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/40Safety devices, e.g. detection of obstructions or end positions
    • E05F15/41Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00Power-operated mechanisms for wings
    • E05F15/60Power-operated mechanisms for wings using electrical actuators
    • E05F15/603Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/63Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by swinging arms
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23Actuation thereof
    • E05Y2201/232Actuation thereof by automatically acting means
    • E05Y2201/234Actuation thereof by automatically acting means direction dependent
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/20Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
    • E05Y2201/23Actuation thereof
    • E05Y2201/232Actuation thereof by automatically acting means
    • E05Y2201/236Actuation thereof by automatically acting means using force or torque
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2201/00Constructional elements; Accessories therefor
    • E05Y2201/60Suspension or transmission members; Accessories therefor
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/71Toothed gearing
    • E05Y2201/716Pinions
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2400/00Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10Electronic control
    • E05Y2400/30Electronic control of motors
    • E05Y2400/3013Electronic control of motors during manual wing operation
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2400/00Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10Electronic control
    • E05Y2400/32Position control, detection or monitoring
    • E05Y2400/322Position control, detection or monitoring by using absolute position sensors
    • E05Y2400/326Position control, detection or monitoring by using absolute position sensors of the angular type
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING 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
    • E05Y2400/00Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
    • E05Y2400/10Electronic control
    • E05Y2400/52Safety arrangements associated with the wing motor
    • E05Y2400/53Wing impact prevention or reduction
    • E05Y2400/54Obstruction or resistance detection
    • E05Y2400/56Obstruction or resistance detection by using speed sensors
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2600/00Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40Mounting location; Visibility of the elements
    • E05Y2600/458Mounting location; Visibility of the elements in or on a transmission member
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20Combinations of elements
    • E05Y2800/23Combinations of elements of elements of different categories
    • E05Y2800/232Combinations of elements of elements of different categories of motors and transmissions
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2800/00Details, accessories and auxiliary operations not otherwise provided for
    • E05Y2800/20Combinations of elements
    • E05Y2800/23Combinations of elements of elements of different categories
    • E05Y2800/238Combinations of elements of elements of different categories of springs and transmissions
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/20Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • the present invention relates to a drive for a movable furniture part having the features of the preamble of claim 1.
  • the prior art has the problem that it is not possible to detect the position or derived motion quantities selectively or simultaneously from both the furniture part and the actuator regardless of whether the actuator just contacted the furniture part or not.
  • the object of the invention is to remedy this problem.
  • the actuator and the furniture part are temporarily movable independently.
  • the actuator for moving the furniture part is loosely contacted with the furniture part (not part of the invention).
  • This situation occurs when the actuator is designed as a discharge lever or plunger.
  • the ejection lever or the plunger namely lie only on their pivoting or extension path on the furniture part.
  • the actuator is in itself firmly connected to the furniture part, however, is arranged in the drive train between the engine, which drives the actuator and the furniture part, a clutch through which the drive train can be solved.
  • the movable furniture part may be manually movable by a user without the user being obstructed by the motor. This is advantageous if the engine is defective or the user, for example, wants a higher speed than the motor-driven furniture part has.
  • the coupling is designed as an overload clutch to prevent damage or even destruction of the actuator or the motor. Without such an overload clutch, it may happen that the actuator transmits these forces to the engine or a transmission with a load of the movable furniture part with excessive forces.
  • the position or derived movement variables of the furniture part are constantly determinable, it is possible, for example, to maintain a touch-latch functionality of the drive constantly.
  • a user can cause an activation of the motor by a force on the furniture part and the position or speed change of the furniture part caused. This is particularly desirable when the engine is active only over a portion of the entire path of movement of the furniture part to re-trigger the engine.
  • the determination of the position or separated movement quantities of the actuator can also be used to realize a touch-latch functionality. In this case, for example, when a change in the position or the speed of the actuator, the motor is activated.
  • the motor should travel via the actuator a predetermined path, speed or acceleration profile for the furniture part.
  • a corresponding position measuring device and optionally a clock and a computing unit must be provided.
  • the position-measuring device has at least one potentiometer.
  • two potentiometers are particularly preferably provided, with one potentiometer each being assigned to the actuator or the furniture part. Potentiometers can be used for absolute position determination. For the invention, however, a purely incremental position determination may be sufficient.
  • the motor is designed as an electric motor.
  • Fig. 1 to 4 show an embodiment of the invention with reference to a flap drive system.
  • a top surface 24 of an in Fig. 2 The upper surface 24 has two projections 241, which serve to mount the base plate 39 of the electric drive 3. The suspension is carried out via tabs 391. After successful hooking the electric drive 3 and the mechanical actuator 2 can be screwed together by screws, in this embodiment, the top surface 24 has corresponding receptacles 242 for the screws. Furthermore recognizable in Fig. 2 the gear 33, the electric motor 31 and one of these two components interconnecting (in this embodiment mechanically flexible trained), motor coupling 34. On the base plate 39 is further mounted a circuit board 38 which has the circuits of a control unit.
  • the interface 6 is here in the form of the central axis 6 'of the electric drive 3 and behind a receiving opening 6 "arranged on the setting unit 2 receptacle (not shown) for the axis 6' is formed.
  • Fig. 2 the mechanical actuator 2 is shown as a whole unit as they are already in an in Fig. 2 Furniture body, not shown, may be attached.
  • the mechanical actuator 2 has as an actuator to a control arm 21, which by a in Fig. 2 not shown in detail but the state of the art corresponding energy storage 22 (here: spring assembly) is acted upon.
  • the housing of the actuating unit 2 has a base surface 23 with which the actuating unit 2 can be fastened to a furniture carcass. From this spaced and substantially parallel to this, the top surface 24 is arranged, which serves for the attachment of the electric drive 3.
  • a potentiometer 37 With respect to the electric drive 3 is in Fig. 2 in comparison to Fig. 1 a potentiometer 37 can be seen, which cooperates with the output stage of the transmission 33 (see the exploded view of FIG Fig. 3 ). Via the potentiometer 37, the position of the actuating arm 21 and thus the position of the in Fig. 2 not shown flap 4 determinable, since the output stage of the transmission 33 with the actuator arm 21 without slippage on the in Fig. 2 not shown interface 6 cooperates.
  • Fig. 3 is the actual arrangement of the potentiometer 37 relative to the gear 33 recognizable.
  • a sprocket 371 is rotatably connected to the output stage of the transmission 33 and cooperates with a gear 372 such that a 2: 1 translation of the movement of the output stage of the transmission 33 to the gear 372 takes place.
  • the measuring range of the potentiometer 37, with which the gear 372 cooperates can be better utilized.
  • a pin 312 is plugged, which is plugged into the engine clutch 34 (here: mechanically flexible hose coupling).
  • the engine clutch 34 here: mechanically flexible hose coupling
  • On the other side of the engine clutch 34 is in a housing 313, a worm wheel arranged, which cooperates with the first stage of the transmission 33.
  • the electric drive 3 further has an overload clutch 331 and an overrunning clutch 35.
  • the overload clutch 331 prevents unwanted destruction of the gears of the transmission 33 by an excessive force acting on the actuator arm 21 load.
  • the one-way clutch 35 allows the intervention of a user with driven flap 4, without being prevented by the motor 31 therefrom.
  • Fig. 4 shows in a perspective view again the valve drive system 1 according to the previous Fig. 1 to 3 wherein the electric drive 3 is attached as a closed component to the mechanical actuator 2.
  • Fig. 5 shows a furniture body 5 with a movably mounted flap 4 and a flap drive system 1 according to the Fig. 1 to 4 ,

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  • Power-Operated Mechanisms For Wings (AREA)

Abstract

A drive for a movable furniture element has an actuating element for moving the furniture element and a motor for driving the actuating element. The actuating element and the furniture element may at times be moved independently of one another, and a position measurement system is provided for determining both the position of the actuating element and the position of the furniture element.

Description

Die vorliegende Erfindung betrifft einen Antrieb für ein bewegbares Möbelteil mit den Merkmalen des Oberbegriffs des Anspruchs 1.The present invention relates to a drive for a movable furniture part having the features of the preamble of claim 1.

Es sind bereits Antriebe bekannt, bei welchen über eine Positionsmesseinrichtung die Position bzw. davon abgeleitete Bewegungsgrößen des Stellgliedes oder des bewegbaren Möbelteils bestimmbar sind.There are already known drives in which a position measuring device, the position or derived movement variables of the actuator or the movable furniture part can be determined.

Beispielsweise beschreibt die WO 2006/017864 A1 auf den Seiten 5 bis 6 (vierte Variante der in der WO 2006/017864 A1 beschriebenen Erfindung) einen Antrieb für ein bewegbares Möbelteil, mit einer Positionsmesseinrichtung, durch welche die Position des Stellgliedes (Ausstoßhebel) bestimmbar ist. Daneben beschreibt die genannte Schrift auf Seite 7 die Möglichkeit die Positionsmesseinrichtung statt mit dem Stellglied mit dem Möbelteil selbst zu koppeln. Dies erfolgt in den in den Figuren 18 und 20 gezeigten Ausführungsformen entweder über einen federbelasteten Stößel oder über einen mit dem bewegbaren Möbelteil über einen gewissen Weg koppelbaren Mitnehmer.For example, this describes WO 2006/017864 A1 on pages 5 to 6 (fourth variant of in the WO 2006/017864 A1 described invention) a drive for a movable furniture part, with a position measuring device, by which the position of the actuator (ejection lever) can be determined. In addition, the above-mentioned document on page 7 describes the possibility to couple the position measuring device instead of the actuator with the furniture part itself. This is done in the embodiments shown in Figures 18 and 20, either via a spring-loaded plunger or a coupled with the movable furniture part over a certain way driver.

Ein gattungsgemäßer Antrieb mit einer Freilaufkupplung geht aus der WO 2006/099645 A1 hervor.A generic drive with a one-way clutch goes out of the WO 2006/099645 A1 out.

Der Stand der Technik weist das Problem auf, dass es nicht möglich ist, die Position oder daraus abgeleitete Bewegungsgrößen wahlweise oder gleichzeitig sowohl vom Möbelteil als auch vom Stellglied zu erfassen und zwar unabhängig davon, ob das Stellglied das Möbelteil gerade kontaktiert oder nicht.The prior art has the problem that it is not possible to detect the position or derived motion quantities selectively or simultaneously from both the furniture part and the actuator regardless of whether the actuator just contacted the furniture part or not.

Aufgabe der Erfindung ist es, dieses Problem zu beheben.The object of the invention is to remedy this problem.

Diese Aufgabe wird durch einen Antrieb mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a drive with the features of claim 1.

Weitere vorteilhafte Ausführungsformen sind in den abhängigen Ansprüchen definiert.Further advantageous embodiments are defined in the dependent claims.

Es kann verschiedene Gründe dafür geben, warum das Stellglied und das Möbelteil zeitweise unabhängig voneinander bewegbar sind. Beispielsweise kann vorgesehen sein, dass das Stellglied zum Bewegen des Möbelteils lose mit dem Möbelteil kontaktierbar ist (nicht Teil der Erfindung). Diese Situation liegt vor, wenn das Stellglied als Ausstoßhebel oder Stößel ausgebildet ist. Der Ausstoßhebel bzw. der Stößel liegen nämlich nur über ihren Verschwenk- bzw. Ausfahrweg am Möbelteil an.There may be various reasons why the actuator and the furniture part are temporarily movable independently. For example, can be provided be that the actuator for moving the furniture part is loosely contacted with the furniture part (not part of the invention). This situation occurs when the actuator is designed as a discharge lever or plunger. The ejection lever or the plunger namely lie only on their pivoting or extension path on the furniture part.

Gemäß der Erfindung ist das Stellglied an sich fest mit dem Möbelteil verbunden, jedoch ist im Antriebsstrang zwischen dem Motor, welcher das Stellglied antreibt und dem Möbelteil eine Kupplung angeordnet, durch welche der Antriebsstrang gelöst werden kann.According to the invention, the actuator is in itself firmly connected to the furniture part, however, is arranged in the drive train between the engine, which drives the actuator and the furniture part, a clutch through which the drive train can be solved.

Es kann beispielsweise wünschenswert sein, wenn das bewegbare Möbelteil manuell durch einen Benutzer bewegbar ist, ohne dass der Benutzer dabei vom Motor behindert wird. Dies ist vorteilhaft, wenn der Motor defekt ist oder der Benutzer beispielsweise eine höhere Geschwindigkeit wünscht, als sie das vom Motor angetriebene Möbelteil aufweist.For example, it may be desirable for the movable furniture part to be manually movable by a user without the user being obstructed by the motor. This is advantageous if the engine is defective or the user, for example, wants a higher speed than the motor-driven furniture part has.

Es kann aber auch sein, dass die Kupplung als Überlastkupplung ausgebildet ist, um eine Beschädigung oder gar Zerstörung des Stellgliedes oder des Motors zu verhindern. Ohne eine derartige Überlastkupplung kann es vorkommen, dass das Stellglied bei einer Belastung des bewegbaren Möbelteils mit übermäßigen Kräften diese Kräfte auf den Motor oder ein Getriebe überträgt.But it may also be that the coupling is designed as an overload clutch to prevent damage or even destruction of the actuator or the motor. Without such an overload clutch, it may happen that the actuator transmits these forces to the engine or a transmission with a load of the movable furniture part with excessive forces.

Bei all diesen Möglichkeiten ist es bei einem erfindungsgemäßen Antrieb möglich, die Position bzw. davon abgeleitete Bewegungsgrößen (wie Geschwindigkeit oder Beschleunigung) des Stellglieds und/oder des Möbelteils zu bestimmen, auch wenn sich das Stellglied und das Möbelteil gerade unabhängig voneinander bewegen.In all these possibilities, it is possible in a drive according to the invention to determine the position or derived movement variables (such as speed or acceleration) of the actuator and / or the furniture part, even if the actuator and the furniture part just move independently.

Dadurch dass die Position oder davon abgeleitete Bewegungsgrößen des Möbelteils ständig bestimmbar sind, Ist es zum Beispiel möglich, eine Touch-Latch-Funktionalität des Antriebs ständig aufrecht zu erhalten. Dies bedeutet, dass ein Benutzer durch eine Kraftausübung auf das Möbelteil und die damit verursachte Position- bzw. Geschwindigkeitsänderung des Möbelteils eine Aktivierung des Motors bewirken kann. Dies ist vor allem dann wünschenswert, wenn der Motor nur über einen Teil des gesamten Bewegungsweges des Möbelteils aktiv ist, um den Motor erneut auszulösen. Die Bestimmung der Position bzw. abgeleilete Bewegungsgrößen des Stellgliedes kann einerseits ebenfalls zur Verwirklichung einer Touch-Latch-Funktionalität verwendet werden. In diesem Fall wird also beispielsweise bei einer Veränderung der Position oder der Geschwindigkeit des Stellgliedes der Motor aktiviert.The fact that the position or derived movement variables of the furniture part are constantly determinable, it is possible, for example, to maintain a touch-latch functionality of the drive constantly. This means that a user can cause an activation of the motor by a force on the furniture part and the position or speed change of the furniture part caused. This is particularly desirable when the engine is active only over a portion of the entire path of movement of the furniture part to re-trigger the engine. On the one hand, the determination of the position or separated movement quantities of the actuator can also be used to realize a touch-latch functionality. In this case, for example, when a change in the position or the speed of the actuator, the motor is activated.

Andererseits kann auch vorgesehen sein, dass der Motor über das Stellglied ein vorgegebenes Weg-, Geschwindigkeits- oder Beschleunigungsprofil für das Möbelteil fahren soll. Um die Abhängigkeit von der Position bzw. der Geschwindigkeit oder Beschleunigung in geregelter Weise zu ermöglichen, muss natürlich eine entsprechende Positionsmesseinrichtung sowie gegebenenfalls eine Uhr und eine Recheneinheit vorgesehen sein.On the other hand, it can also be provided that the motor should travel via the actuator a predetermined path, speed or acceleration profile for the furniture part. In order to enable the dependence on the position or the speed or acceleration in a controlled manner, of course, a corresponding position measuring device and optionally a clock and a computing unit must be provided.

Über die Positionsmesseinrichtung kann auch eine Kollisionsüberwachung durchgeführt werden. Die Stellung (Position bzw. Weg) des bewegbaren Möbelteils wird dabei gemessen und über eine Steuer- bzw. Regeleinrichtung auf eine Geschwindigkeits- bzw. Beschleunigungsänderung hin überwacht. Die Ermittlung der Geschwindigkeit bzw. Beschleunigung des bewegbaren Möbelteils kann beispielsweise durch Bildung der ersten bzw. zweiten Ableitung der Position in Abhängigkeit von der Zeit erfolgen. Weicht die Geschwindigkeits- oder Beschleunigungsänderung von einem früher gegebenen Sollwert ab, so kann eine Abschaltung des Motors erfolgen. Beispiele für Kollisionen sind ein unter einem als Klappe ausgeführten bewegbaren Möbel stehender Benutzer, der den Schließvorgang der Klappe blockiert oder ein aus einem Möbelkorpus vorstehender Gegenstand, der das Schließen einer Schublade oder Klappe behindert.A collision monitoring can also be carried out via the position-measuring device. The position (position or path) of the movable furniture part is measured and monitored via a control or regulating device to a speed or acceleration change out. The determination of the speed or acceleration of the movable furniture part can be done, for example, by forming the first or second derivative of the position as a function of time. If the speed or acceleration change deviates from a previously given desired value, the motor can be switched off. Examples of collisions include a user standing beneath a movable furniture designed as a flap, who blocks the closing operation of the flap or an object protruding from a furniture body, which obstructs the closing of a drawer or flap.

Bei einer besonders bevorzugten Ausführungsform der Erfindung ist vorgesehen, dass die Positionsmesseinrichtung wenigstens ein Potentiometer aufweist. Besonders bevorzugt sind aber zwei Potentiometer vorgesehen, wobei je ein Potentiometer dem Stellglied bzw. dem Möbelteil zugeordnet ist. Durch Potentiometer kann eine absolute Positionsbestimmung erfolgen. Für die Erfindung kann aber auch eine rein inkrementelle Positionsbestimmung ausreichend sein.In a particularly preferred embodiment of the invention, it is provided that the position-measuring device has at least one potentiometer. However, two potentiometers are particularly preferably provided, with one potentiometer each being assigned to the actuator or the furniture part. Potentiometers can be used for absolute position determination. For the invention, however, a purely incremental position determination may be sufficient.

Besonders bevorzugt ist vorgesehen, dass der Motor als Elektromotor ausgebildet ist.Particularly preferably, it is provided that the motor is designed as an electric motor.

Ist ein Steuern bzw. Regeln des Antriebs erwünscht, so muss natürlich eine Steuer- bzw. Regeleinrichtung vorgesehen sein, welche die Signale der Positionsmesseinrichtung zuführbar sind.If it is desired to control the drive, it is of course necessary to provide a control or regulating device, which can be fed with the signals of the position-measuring device.

Es versteht sich von selbst, dass die Positionsmesseinrichtung physisch auch in Form von zwei räumlich voneinander getrennten Bauteilen ausgebildet sein kann. Alternativ kann ein einziger Bauteil vorgesehen sein, dem zwei getrennt voneinander operierende Messfühler (für das Stellglied und das Möbelteil) zugeordnet sind.It goes without saying that the position measuring device can be physically formed in the form of two spatially separated components. Alternatively, a single component can be provided, to which two sensors operating separately from one another (for the actuator and the furniture part) are assigned.

Weitere Vorteile und Einzelheiten der Erfindung ergeben sich anhand der Figuren sowie der dazugehörigen Figurenbeschreibung. Dabei zeigen:

Fig. 1 bis 4
ein Ausführungsbeispiel der Erfindung anhand eines Klappenantriebssystems in verschiedenen Ansichten und
Fig. 5
eine perspektivische Ansicht eines Möbelkorpus mit einem montierten Klappenantriebssystem gemäß Fig. 1 bis 4.
Further advantages and details of the invention will become apparent from the figures and the associated description of the figures. Showing:
Fig. 1 to 4
an embodiment of the invention with reference to a flap drive system in different views and
Fig. 5
a perspective view of a furniture body with a mounted flap drive system according to Fig. 1 to 4 ,

Die Fig. 1 bis 4 zeigen ein Ausführungsbeispiel der Erfindung anhand eines Klappenantriebssystems 1.The Fig. 1 to 4 show an embodiment of the invention with reference to a flap drive system. 1

In Fig. 1 erkennt man dabei eine Deckfläche 24 einer in Fig. 2 nicht näher dargestellten mechanischen Stelleinheit 2. Die Deckfläche 24 weist zwei Vorsprünge 241, welche zum Einhängen der Grundplatte 39 des Elektroantriebs 3 dienen. Das Einhängen erfolgt dabei über Laschen 391. Nach erfolgtem Einhängen können der Elektroantrieb 3 und die mechanische Stelleinheit 2 über Schrauben miteinander verschraubt werden, wobei in diesem Ausführungsbeispiel die Deckfläche 24 entsprechende Aufnahmen 242 für die Schrauben aufweist. Weiters erkennbar sind in Fig. 2 das Getriebe 33, der Elektromotor 31 sowie eine diese beiden Bauteile miteinander verbindende (in diesem Ausführungsbeispiel mechanisch flexibel ausgebildete), Motorkupplung 34. Auf der Grundplatte 39 ist weiters eine Platine 38 befestigt, welche die Schaltkreise einer Steuer- bzw. Regeleinheit aufweist.In Fig. 1 one recognizes a top surface 24 of an in Fig. 2 The upper surface 24 has two projections 241, which serve to mount the base plate 39 of the electric drive 3. The suspension is carried out via tabs 391. After successful hooking the electric drive 3 and the mechanical actuator 2 can be screwed together by screws, in this embodiment, the top surface 24 has corresponding receptacles 242 for the screws. Furthermore recognizable in Fig. 2 the gear 33, the electric motor 31 and one of these two components interconnecting (in this embodiment mechanically flexible trained), motor coupling 34. On the base plate 39 is further mounted a circuit board 38 which has the circuits of a control unit.

Die Schnittstelle 6 ist hier in Form der zentralen Achse 6' des Elektroantriebs 3 und einer hinter einer Aufnahmeöffnung 6" an der Stelleinheit 2 angeordneten Aufnahme (nicht dargestellt) für die Achse 6' ausgebildet.The interface 6 is here in the form of the central axis 6 'of the electric drive 3 and behind a receiving opening 6 "arranged on the setting unit 2 receptacle (not shown) for the axis 6' is formed.

In Fig. 2 ist die mechanische Stelleinheit 2 als Gesamteinheit dargestellt so wie sie bereits in einem in Fig. 2 nicht dargestellten Möbelkorpus befestigt sein kann. Die mechanische Stelleinheit 2 weist dabei als Stellglied einen Stellarm 21 auf, welcher durch einen in Fig. 2 nicht näher dargestellten aber dem Stand der Technik entsprechenden Kraftspeicher 22 (hier: Federpaket) beaufschlagt wird.In Fig. 2 the mechanical actuator 2 is shown as a whole unit as they are already in an in Fig. 2 Furniture body, not shown, may be attached. The mechanical actuator 2 has as an actuator to a control arm 21, which by a in Fig. 2 not shown in detail but the state of the art corresponding energy storage 22 (here: spring assembly) is acted upon.

Das Gehäuse der Stelleinheit 2 weist eine Grundfläche 23 auf, mit welcher die Stelleinheit 2 an einem Möbelkorpus befestigbar ist. Von dieser beabstandet und im Wesentlichen parallel zu dieser ist die Deckfläche 24 angeordnet, welche der Befestigung des Elektroantriebs 3 dient.The housing of the actuating unit 2 has a base surface 23 with which the actuating unit 2 can be fastened to a furniture carcass. From this spaced and substantially parallel to this, the top surface 24 is arranged, which serves for the attachment of the electric drive 3.

In Bezug auf den Elektroantrieb 3 ist in Fig. 2 im Vergleich zur Fig. 1 ein Potentiometer 37 erkennbar, welches mlt der Endstufe des Getriebes 33 zusammenwirkt (siehe hierfür die Explosionsdarstellung der Fig. 3).Über das Potentiometer 37 ist die Position des Stellarms 21 und damit die Position der in Fig. 2 nicht dargestellten Klappe 4 bestimmbar, da die Endstufe des Getriebes 33 mit dem Stellarm 21 ohne Schlupf über die in Fig. 2 nicht dargestellte Schnittstelle 6 zusammenwirkt.With respect to the electric drive 3 is in Fig. 2 in comparison to Fig. 1 a potentiometer 37 can be seen, which cooperates with the output stage of the transmission 33 (see the exploded view of FIG Fig. 3 ). Via the potentiometer 37, the position of the actuating arm 21 and thus the position of the in Fig. 2 not shown flap 4 determinable, since the output stage of the transmission 33 with the actuator arm 21 without slippage on the in Fig. 2 not shown interface 6 cooperates.

In den Figuren nicht gesondert dargestellt ist ein weiteres Potentiometer, welches direkt auf der Platine 38 durch geeignete Schaltungen ausgebildet ist. Über dieses Potentiometer kann die Position des Stellglied in Form des Abtriebs des Elektromotors 31 bestimmt werden.Not shown separately in the figures, another potentiometer, which is formed directly on the board 38 by suitable circuits. About this potentiometer, the position of the actuator in the form of the output of the electric motor 31 can be determined.

In Fig. 3 ist die tatsächliche Anordnung des Potentiometers 37 relativ zum Getriebe 33 erkennbar. Dabei ist ein Zahnkranz 371 drehfest mit der Endstufe des Getriebes 33 verbunden und wirkt mit einem Zahnrad 372 derart zusammen, dass eine 2:1-Übersetzung der Bewegung der Endstufe des Getriebes 33 auf das Zahnrad 372 erfolgt. Hierdurch kann der Messbereich des Potentiometers 37, mit welchem das Zahnrad 372 zusammenwirkt, besser ausgenutzt werden.In Fig. 3 is the actual arrangement of the potentiometer 37 relative to the gear 33 recognizable. In this case, a sprocket 371 is rotatably connected to the output stage of the transmission 33 and cooperates with a gear 372 such that a 2: 1 translation of the movement of the output stage of the transmission 33 to the gear 372 takes place. As a result, the measuring range of the potentiometer 37, with which the gear 372 cooperates, can be better utilized.

In Fig. 3 ist weiters erkennbar, dass am Abtrieb 311 des Elektromotors 31 ein Stift 312 aufgesteckt ist, welcher in die Motorkupplung 34 (hier: mechanisch flexible Schlauchkupplung) eingesteckt ist. Auf der anderen Seite der Motorkupplung 34 ist in einem Gehäuse 313 ein Schneckenrad angeordnet, welches mit der ersten Stufe des Getriebes 33 zusammenwirkt.In Fig. 3 It can further be seen that at the output 311 of the electric motor 31, a pin 312 is plugged, which is plugged into the engine clutch 34 (here: mechanically flexible hose coupling). On the other side of the engine clutch 34 is in a housing 313, a worm wheel arranged, which cooperates with the first stage of the transmission 33.

Der Elektroantrieb 3 weist weiters eine Überlastkupplung 331 sowie eine Freilaufkupplung 35 auf. Die Überlastkupplung 331 verhindert dabei eine ungewollte Zerstörung der Zahnräder des Getriebes 33 durch eine übermäßige auf den Stellarm 21 einwirkende Belastung. Die Freilaufkupplung 35 gestattet den Eingriff eines Benutzers bei angetriebener Klappe 4, ohne durch den Motor 31 daran gehindert zu werden.The electric drive 3 further has an overload clutch 331 and an overrunning clutch 35. The overload clutch 331 prevents unwanted destruction of the gears of the transmission 33 by an excessive force acting on the actuator arm 21 load. The one-way clutch 35 allows the intervention of a user with driven flap 4, without being prevented by the motor 31 therefrom.

Fig. 4 zeigt in einer perspektivischen Ansicht nochmals das Klappenantriebssystem 1 gemäß den vorigen Fig. 1 bis 3, wobei der Elektroantrieb 3 als ein abgeschlossener Bauteil an der mechanischen Stelleinheit 2 befestigt ist. Fig. 4 shows in a perspective view again the valve drive system 1 according to the previous Fig. 1 to 3 wherein the electric drive 3 is attached as a closed component to the mechanical actuator 2.

Obwohl es vorteilhaft ist, den Elektroantrieb 3 auch dann an einer Stelleinheit 2 zu befestigen, wenn die Stelleinheit 2 bereits an einem hier nicht dargestellten Möbelkorpus 5 montiert ist, kann natürlich auch eine Vorkonfektionierung des Klappenantriebs 1 in der in Fig. 4 dargestellten Form erfolgen.Although it is advantageous to attach the electric drive 3 to an adjusting unit 2, even if the setting unit 2 is already mounted on a furniture body 5, not shown here, of course, a pre-assembly of the damper drive 1 in the in Fig. 4 shown form.

Fig. 5 zeigt einen Möbelkorpus 5 mit einer daran bewegbar gelagerten Klappe 4 und einem Klappenantriebssystem 1 nach den Fig. 1 bis 4. Fig. 5 shows a furniture body 5 with a movably mounted flap 4 and a flap drive system 1 according to the Fig. 1 to 4 ,

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

KlappenantriebssystemFlap drive system
11
Stelleinheitactuator
22
Stellarmactuating arm
2121
Kraftspeicherpower storage
2222
GrundflächeFloor space
2323
Deckflächecover surface
2424
Vorsprüngeprojections
241241
AufnahmenRecordings
242242
Elektroantriebelectric drive
33
Elektromotorelectric motor
3131
Abtrieboutput
311311
Stiftpen
312312
Gehäusecasing
313313
Getriebetransmission
3333
ÜberlastkupplungOverload clutch
331331
Motorkupplungclutch
3434
FreilaufkupplungOverrunning clutch
3535
Potentiometerpotentiometer
3737
Zahnkranzsprocket
371371
Zahnradgear
372372
Platinecircuit board
3838
Grundplattebaseplate
3939
Laschentabs
391391
Klappeflap
44
Möbelkorpusfurniture body
55
Schnittstelleinterface
66
Achseaxis
6'6 '
Aufnahmeöffnungreceiving opening
6"6 "

Claims (5)

  1. A drive (1) for a movable furniture part (4), comprising an adjusting member for moving the furniture part (4), a motor (31) for driving the adjusting member and a coupling arranged in the drive train between the motor (31) and the furniture part (4), wherein the adjusting member and the furniture part (4) are in principle fixedly connected with each other, but - since the coupling has a freewheel (35) and/or is designed as an overload coupling (331) - are at times movable independently of each other, characterised in that there is provided a position measuring device by which both the position of the adjusting member and also the position of the furniture part (4) can be determined.
  2. A drive as set forth in claim 1, characterised in that the position measuring device has at least one, preferably two, potentiometer(s) (37).
  3. A drive as set forth in claim 1 or 2, characterised in that the motor (31) is in the form of an electric motor.
  4. A drive as set forth in one of claims 1 through 3, characterised in that there is provided a control or regulating device to which the signals of the position measuring device can be fed.
  5. A drive as set forth in claim 4, characterised in that the control or regulating device controls or regulates the motor (31) in dependence on the signals of the position measuring device.
EP08733255A 2007-05-07 2008-04-25 Drive for a movable furniture element Active EP2164364B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA695/2007A AT505209B1 (en) 2007-05-07 2007-05-07 DRIVE FOR A MOVABLE FURNITURE PART
PCT/AT2008/000152 WO2008134785A1 (en) 2007-05-07 2008-04-25 Drive for a movable furniture element

Publications (2)

Publication Number Publication Date
EP2164364A1 EP2164364A1 (en) 2010-03-24
EP2164364B1 true EP2164364B1 (en) 2012-06-27

Family

ID=39645577

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EP08733255A Active EP2164364B1 (en) 2007-05-07 2008-04-25 Drive for a movable furniture element

Country Status (7)

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US (1) US8303054B2 (en)
EP (1) EP2164364B1 (en)
JP (1) JP5426534B2 (en)
CN (1) CN101674758A (en)
AT (1) AT505209B1 (en)
ES (1) ES2390189T3 (en)
WO (1) WO2008134785A1 (en)

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Also Published As

Publication number Publication date
AT505209A1 (en) 2008-11-15
US8303054B2 (en) 2012-11-06
WO2008134785A1 (en) 2008-11-13
JP5426534B2 (en) 2014-02-26
EP2164364A1 (en) 2010-03-24
JP2010527415A (en) 2010-08-12
CN101674758A (en) 2010-03-17
ES2390189T3 (en) 2012-11-07
US20100043595A1 (en) 2010-02-25
AT505209B1 (en) 2012-04-15

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