EP2819548B1 - Furniture arrangement and method for the parallel control of at least two electromotive furniture drives of a furniture arrangement - Google Patents

Furniture arrangement and method for the parallel control of at least two electromotive furniture drives of a furniture arrangement Download PDF

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Publication number
EP2819548B1
EP2819548B1 EP13708756.5A EP13708756A EP2819548B1 EP 2819548 B1 EP2819548 B1 EP 2819548B1 EP 13708756 A EP13708756 A EP 13708756A EP 2819548 B1 EP2819548 B1 EP 2819548B1
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EP
European Patent Office
Prior art keywords
furniture
drive
drives
control
adjusting
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EP13708756.5A
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German (de)
French (fr)
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EP2819548A1 (en
Inventor
Armin Hille
Steffen Loley
Karsten Gehrke
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Dewertokin GmbH
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Dewertokin GmbH
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Application filed by Dewertokin GmbH filed Critical Dewertokin GmbH
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/08—Head -, foot -, or like rests for beds, sofas or the like with means for adjusting two or more rests simultaneously
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
    • A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
    • A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors

Definitions

  • the invention relates to a furniture arrangement with at least two furniture according to the preamble of claim 1.
  • the invention also relates to a method for parallel control of at least two electromotive furniture drives a furniture assembly.
  • Furniture having a plurality of support surfaces for supporting a person in the furniture is e.g. as beds, sofas, armchairs and the like. widely used and known. They have at least one movable support surface, which is mounted movably relative to at least one further support surface.
  • the movable support surface is e.g. a back part and / or a leg part, which is adjustable with at least one electromotive furniture drive.
  • the movable support surface can be pivoted, displaceable or both by means of a suitable fitting.
  • a primitive e.g. a bed frame, height adjustable with one or more furniture drives is executed.
  • An electromotive furniture drive comprises at least one electric motor, which is often designed as a brushed DC motor.
  • the engine is followed by a transmission, usually a DC gear motor is used.
  • the electromotive furniture drive comprises an operating unit and a control device.
  • the control unit may be designed wired or wireless and has a number of pushbuttons, when actuated via the signal transmission, a control signal for electrical control of the respective motor in the respective direction of rotation.
  • Furniture arrangements are arrangements of furniture, e.g. two adjoining beds or double beds.
  • Each adjustable furniture is usually equipped with an electromotive furniture drive with at least one adjustment, a control device and a control unit.
  • a number of motors are connected to a number of controllers and together form a drive set, which is also referred to as an electromotive furniture drive.
  • a three-motor bed has a drive set (furniture drive) with three adjustment drives on. There are also adjusting drives with integrated control, to which even more drives can be connected.
  • a synchronous control of adjusting drives comprises at least two adjusting drives of a common drive set (electromotive furniture drive) with a common control device. For example, Both adjusting drives are switched on and moved simultaneously for a height adjustment of a table top with two adjusting drives.
  • the synchronous control serves to ensure that both adjustment drives have the same adjustment speed so that there is no inclination of the table top. If the motor of the one adjusting drive has e.g. a lower speed due to higher load than the motor of the other adjustment, so usually the speed of the faster motor is reduced by appropriate measures of the common control device. In doing so, e.g. PWM (Pulse Width Modulation) reduces the speed of the faster motor.
  • PWM Pulse Width Modulation
  • variable speed drives In contrast to a synchronous control, in a parallel control at least two variable speed drives, each of which belongs to a separate drive set, are simultaneously, i. parallel, proceed. Each adjusting drive has its own control device.
  • Each drive set is used in a piece of furniture (for example, two single beds). It is also possible to use several drive sets in a piece of furniture (for example a double bed or a chaining of several lift tables).
  • the object of the present invention is to provide an improved furniture arrangement with parallel control of at least two electromotive furniture drives i. To create drive sets.
  • Another object is to provide an improved method of parallel control.
  • the control devices of the electromotive furniture drives are equipped with detection means for detecting drive-specific values such as motor current, motor operating voltage, motor speed of the electric motor of the at least one associated adjusting drive for parallel control and can communicate with each other and with the operating unit, or with each other via the operating unit.
  • a furniture arrangement comprises at least two furniture, each with an electromotive furniture drive for adjusting at least one movable part of each of the at least two furniture, each electromotive furniture drive a) at least one adjustment with at least one electric motor, a so coupled speed reducer, with which Output member drivenly coupled and linearly movable and / or rotatably movable, and b) comprises at least one control device, wherein c) the furniture assembly comprises an operating unit for actuating all electrical motors of the adjusting drives of the electromotive furniture drives.
  • the control devices of the electromotive furniture drives are provided with detection means for detecting drive-specific values such as motor current, motor operating voltage, motor speed or the like of the electric motor of the at least one associated adjusting drive and with at least one adjusting device for variable positions the operating voltage of the electric motor of the at least one associated adjusting drive for a parallel control of the at least one adjustment of an electromotive furniture drive and the at least one adjustment of the other electromotive furniture drive formed.
  • the control devices are designed for communication with the operating unit and with one another, or for communication with one another via the operating unit with at least one transmission link.
  • Each drive set has a bidirectional transmission path to the operating unit or to a number of operating units, as well as to a number of drive sets or electromotive furniture drives.
  • At least one control device is designed in accordance with the detected drive-specific values for transmitting corresponding signals via the at least one transmission path.
  • the communication is possible in a simple manner.
  • each further control device and the operating unit are designed to receive the corresponding signals transmitted by the at least one control device.
  • At least one control device has a program for variably setting the operating voltage of at least one electric motor of the at least one adjusting drive, whereby a simple setting of a rotational speed of the electric motor is made possible.
  • the adjusting device is designed to variably set the operating voltage of the electric motor of the at least one associated adjusting drive with a PWM control and / or with at least one switchable electrical series resistor in series with the electric motor.
  • control devices can advantageously communicate with one another if the at least one control device of one of the electromotive drives is coupled to the at least one control device of the other of the electromotive drives via a transmission path.
  • the transmission links may be wireless or / and wired. For a use of different drive sets is possible.
  • Each drive set or each electromotive furniture drives has a control program. All control programs are formed by means of the bidirectional transmission path for communication with each other. Thus, an advantageous exchange of Verstellparameter (path, angle, current, voltage) of several "drive sets" with each other. The communication can be done directly between the controllers or / and via the handset as a common communication center.
  • a method according to the invention for the parallel control of at least two electromotive furniture drives of the furniture arrangement described above comprises the method steps: (S1) detecting actual adjustment positions of the operated motors of the adjusting drives to be controlled in parallel; (S2) communicating the current actual positions of the operated motors of the adjusting drives to be controlled in parallel between the control devices and comparing these current actual positions; and (S3) parallel control of the operated motors of the variable-displacement drives to be controlled in parallel by throttling a detected leading motor of the parallel-controlled variable speed drives or accelerating the trailing motor to a higher speed.
  • the actual positions are determined with predeterminable values, e.g. Table values, compared. Table values are advantageous because they can be easily predefined.
  • step (S3) throttling of the leading motor or acceleration of the respective lagging motor with the intensity of a pre-definable value, e.g. value stored in the table. Since the table values have already been created, calculating or determining, e.g. using algorithms, not required, which saves time.
  • communication takes place between the control devices and the operating unit or between one of the control devices and the operating unit, whereby an area of use is increased.
  • FIG. 1 1 shows an exemplary embodiment of a piece of furniture 1 according to the invention.
  • FIGS. 2 and 2 a show schematic perspective views of an operating unit 10, 10 '.
  • the furniture 1 is shown here as a bed and has at least one support element 3 for receiving objects, a padding, a mattress M and / or a person.
  • the support element 3 is e.g. as a slatted frame, as a flat support surface or the like and formed on a base member 2, here a frame with feet, for coupling the furniture 1 at a place of installation, e.g. Floor, attached.
  • the support element 3 here has a back part 4 and a leg part 5, which are arranged movably relative to the support element 3 and / or a further support element or relative to the base element 2.
  • This movable arrangement is realized here by means of a so-called motion fitting 6.
  • the movement is designed to be displaceable and / or pivotable.
  • the furniture 1 also has an electromotive furniture drive 100, which here comprises two adjusting drives 7 and 8, a control device 9 and an operating unit 10.
  • the operating unit 10 is wireless in this example.
  • the movably mounted back part 4 and the leg part 5 are each coupled to an adjusting drive 7, 8.
  • the back part 4 is coupled to the adjusting drive 7.
  • For movement or adjustment of the leg part 5 of the adjustment 8 is provided.
  • the adjusting drives 7, 8 are designed as linear drives.
  • the linear drives have one or a number of electric motors, wherein each motor is followed by a Drehierereduziergetriebe with at least one gear stage.
  • the Drehierereduziergetriebe may be followed by a further transmission, for example in the form of a threaded spindle gear, which generates a linear movement of an output member from the rotational movement of the motor.
  • the last gear member or an associated further member forms the output member.
  • the output member of the respective adjusting drive communicates with the respective furniture component (back part 4, leg part 5) or alternatively with a component connected to the base frame 2, so that during operation of the electric motor of the respective adjusting drive 7, 8, the movable furniture components 4, 5 relative relative to each other or relative to the base frame 2 are adjusted.
  • the adjusting drives 7, 8 are connected to the control device 9 in each case via a drive line 100a, such as in Fig. 4 is shown.
  • This drive line 100a can be designed, for example, as a pluggable cable connection.
  • the control device 9 has an electrical supply unit, not shown, which provides the electrical energy, for example from the network, for the adjusting drives 7, 8.
  • the control device 9 is connectable in this example via a power cord with a power plug with a power supply.
  • the power cord is not shown, but easy to imagine.
  • the power plug passes via the power cord, the input side mains voltage to the electrical supply unit of the control device 9, which outputs a low voltage in the form of a DC voltage on the secondary side and forwards them to a likewise not shown motor control with control switches.
  • control device 9 is preceded by a network-dependent power supply not shown in detail with mains input and secondary-side low-voltage output, which supplies the low voltage in the form of a DC voltage via the line 9d.
  • the furniture 1 is further assigned an operating unit 10, 10 ', with its operating elements 12, 13 (see Fig. 2 ) the adjusting drives 7, 8 are controllable via the control device 9.
  • the operating unit 10 is provided with a transmitter or transceiver for wireless transmission.
  • the wireless transmission may include a transmission link 23, 23 '(see Fig. 5, 5a, 5b ) with radio transmission, optical transmission (eg infrared) and / or ultrasonic transmission, wherein the control device 9 with a respective corresponding transmission unit 9a, 9'a (see, eg Fig. 5 ) is equipped.
  • the operating unit 10 is designed with a control line 18 in a wired form, which Fig. 2a shows.
  • the service line 18 can be connected to the control device 9, for example pluggable. This is eg in Fig. 4a exemplified.
  • the operating unit 10, 10 ' is provided with operating elements 12, 13, which are provided for the operation of a respective adjusting drive 7, 8.
  • the controls 12, 13 are designed for example as a button. For example, serve the controls 12 for raising and the controls 13 for lowering the respective movable furniture part.
  • Operating units 10, 10 ' are shown for six adjusting drives.
  • the operating unit 10, 10 ' is provided with a signaling element 14, e.g. a light emitting diode, equipped.
  • the signaling element 14 serves e.g. for function display or feedback, error display etc.
  • An additional operating element 15, which may also consist of a plurality of operating elements and / or a combination operating element, serves for a so-called memory function of the adjusting drives 7, 8.
  • the additional controls 15, 16, 17 may be designed as a button and / or switch.
  • the control device 9 has for the electric motors of the adjusting drives 7, 8 control switches with switching elements which convert the control signals of the transmission path into switching signals for switching the respective adjusting drive 7, 8.
  • the switching elements may be, for example, relay switch and / or semiconductor switch.
  • the manually operable controls 12, 13 of the control unit 10 generate control signals which are converted here by the transmission unit 9a, 9'a of the control device 9 in control currents for the switching elements.
  • the operating elements 12, 13 switch the control current of the relay switches or the semiconductor switches.
  • the circuit breaker of the relay switch or the semiconductor switch the high motor current of the respective adjustment drive 7, 8. It is also an embodiment possible in which the motor currents flow directly through the contacts of the controls 12, 13 of the control unit 10.
  • the adjusting drives 7, 8 are designed as brush-mounted DC motors or have them.
  • a voltage dropped across a resistor in the motor line due to the motor current flowing through the resistor during operation of the motor is measured at the terminals of the resistor.
  • a synchronous control of adjusting drives comprises at least two adjusting drives of an electromotive furniture drive 100 with a common control device 9. For example, for a height adjustment of a table top with two adjusting drives all two turned on simultaneously.
  • the synchronous control serves to ensure that both adjustment drives have the same adjustment speed so that there is no inclination of the table top. If, for example, the engine of one adjusting drive has a lower rotational speed due to a higher load than the motor of the other adjusting drive, the rotational speed of the faster motor usually becomes through suitable measures of the common control device 9 reduced. For example, PWM reduces the speed of the faster motor.
  • Fig. 3 shows a schematic perspective view of an exemplary furniture assembly 200 with two side by side furniture 1, 1 ', each as a bed according to Fig. 1 are formed.
  • the furniture assembly 200 comprises at least two furniture 1 and 1 '.
  • the furniture 1, 1 ' are identical. They can also be designed as a double bed.
  • This in Fig. 3 arranged left furniture 1 has an electromotive furniture drive 100 with two adjusting drives 7, 8 and a control device 9.
  • the right-hand furniture 1 ' is provided with an electromotive furniture drive 100' with two adjusting drives 7 ', 8' and a control device 9 '.
  • only one operating unit 10 is provided, with which both electromotive furniture drives 100 and 100 'can be operated. The other control unit is not needed.
  • a parallel control according to the invention of at least two adjusting drives 7, 7 ' is provided.
  • This configuration is in the FIGS. 4, 4a and 4b and will be explained in detail in connection with these figures.
  • a parallel control for both the adjusting drives 7 and 7 'and for the adjusting drives 8 and 8' for each leg part 5, 5 'of a piece of furniture 1, 1' is provided.
  • the adjusting drives 7 and 7 'as well as for the adjusting drives 8 and 8' can each be actuated simultaneously by a single operating unit 10. It is necessary that both the two back parts 4, 4 'and the two leg parts 5, 5' are each adjusted at the same speeds or at least at very similar speeds. Also, in the case of, for example, a leading adjusting drive 7, the adjustment speed, ie the speed of this motor, compared to the other motor of the slower adjustment 7 'reduced.
  • FIG. 4-4b show schematic block diagrams of embodiments of inventive parallel control arrangements of electromotive furniture drives 100, 100 'with wireless control units 10.
  • FIG. 5-5a are schematic block diagrams of embodiments of the invention parallel control arrangements of electromotive furniture drives 100, 100 'shown with wired control units 10'.
  • the one adjusting drive 7 is connected to the first control device 9 via the drive line 100a.
  • the other adjustment drive 7' is connected via the drive line 100'a.
  • a first embodiment is shown, in which the operating unit 10 with both control devices 9 and 9 'communicates.
  • a first wireless transmission path 23 is arranged between the operating unit 10 and a transmission unit 9a of the first control device 9.
  • a second wireless transmission path 23' Between the operating unit 10 and a transmission unit 9'a of the second control device 9 'there is a second wireless transmission path 23'.
  • the wireless links 23 and 23 ' are bidirectional links, and the transmitters 9a and 9'a are configured to transmit and receive data.
  • control signals are transmitted via the two transmission lines 23 and 23 'simultaneously to the control devices 9 and 9' in order to simultaneously switch the adjusting drives 7 and 7 'on and off.
  • Fig. 4a shows a second embodiment, wherein only one bidirectional transmission path 23 between the operating unit 10 and the transmission unit 9a of the first control device 9 is arranged.
  • a connection to the second control device 9 ' is provided by means of a bidirectional wireless transmission path 21 between transmission units 9b and 9'b of the first control device 9 and second control device 9'.
  • a control signal is first transmitted via the transmission path 23 to the transmission unit 9a of the first control device 9, which then transmits this signal to the connected adjusting drive 7 and via the transmission unit 9b to the second control device 9 'forwards, which in turn controls the second adjusting drive 7' simultaneously.
  • the transmission path 21 between the control devices 9 and 9 ' is formed wired. Only the first control device 9 has a wireless transmission unit 9 a for communication with the operating unit 10.
  • Fig. 5 shows a parallel control arrangement of two electromotive furniture drives 100, 100 'with the respective control device 9, 9' and in each case an adjusting drive 7, 7 '.
  • the adjusting drives 7, 7 ' are as in Fig. 4-4b shown in each case connected to one of the control devices 9, 9 'via a respective drive line 100a, 100'a. This connection can be made solid and pluggable, which will not be described here.
  • the operating unit 10 ' is connected with its service line 18 to a distribution unit 20.
  • the distributor unit 20 is connected via a first control line 19 to the first control device 9 and via a second control line 19 'to the second control device 9'. All connection lines 18, 19, 19 'can be connected to the distribution unit 20 can be plugged or hardwired.
  • each individual wire of the service line 18 is connected to a wire of the first control line 19 and at the same time to a wire of the second control line 19 '.
  • a parallel control of the adjusting drives 7 and 7 ' is possible in such a way that they can be switched on and off simultaneously by means of the operating unit 10'.
  • the first control line 19 forms a first transmission path 23, wherein the second control line 19 'forms a second transmission path 23'.
  • the service line 18 is here a further common transmission link 23a.
  • a wired transmission path 21 between the control devices 9 and 9 ' is provided, wherein the operating unit 10' is connected to its control line 18 of the first control device 9.
  • the service line 18 forms here a transmission link 23.
  • the wired transmission links 23a, 23, 23 'in the form of wire lines 18, 19, 19' may be bidirectional transmission links.
  • the lines 18, 19, 19 'of the two embodiments according to Fig. 5 and 5a can be both control lines and power lines that carry motor current.
  • Each control device 9, 9 ' is e.g. equipped with a microprocessor or microcomputer and has a control program. All control programs are formed by means of the bidirectional transmission links 21, 22 between the control means 9 and 9 'for communication with each other.
  • an exchange of adjustment parameters (adjustment path, adjustment angle, motor current, motor voltage) of the electromotive furniture drives 100, 100 ' can take place among each other.
  • the operating unit 10, 10 ' with a corresponding intelligent control, i. with a microprocessor or microcomputer provided.
  • both adjustment drives 7, 7 ' are switched on at the same time, a communication of drive-specific values such as engine speed, motor current, motor voltage takes place between the control devices 9 and 9'.
  • drive-specific values are detected by detection means of the respective control device 9, 9 '.
  • a control program can detect a lead of the respective connected motor of the adjusting drive 7, 7 '. The leading motor is then automatically throttled by its associated control device 9, 9 '.
  • a motor is throttled via a PWM control, reducing the operating voltage of the respective motor, or 2-point controller (short-time switching off), 3-point controller (intermediate stage with heating resistor or other voltage and current flow limiting means), n-point controller with more than 3 points.
  • Detecting the drive-specific values is done with the detection means by measuring the motor current across the voltage drop of a resistor in the motor line realized.
  • the motor speed can be via incremental rotary encoder or by counting ripple the back EMF of the respective motor.
  • An adjustment position is determined by potentiometer (rotary potentiometer, linear potentiometer) and communication with other electromotive furniture drives 100, 100 '.
  • the furniture assembly 200 according to Fig. 3 is created by simple assembly.
  • the operating unit 10 is subjected to an assignment process in which a so-called pairing takes place.
  • the respective operating elements 12, 13 Fig. 2
  • Fig. 6 shows a schematic flow diagram of a method according to the invention for parallel control of at least two electromotive furniture drives 100, 100 'of a furniture assembly 200th
  • a first method step S1 the current adjustment positions of the operated motors of the parallel-controlled adjusting drives 7, 7 'are detected.
  • a second method step S2 the actual positions are communicated between the control devices 9, 9 ', these being compared with one another.
  • step S3 If a difference has been found, i. If a leading drive is detected, in a third method step S3, the motor of this leading drive is throttled by the associated control device 9, 9 ', or the other motor is accelerated to a higher speed.
  • the actual positions with predefinable values e.g. Table values, compared.
  • an operating unit 10, 10 ' with a plurality of operating elements 12, 13 for operating all electromotive furniture drives 100, 100' are used.
  • a series resistor is temporarily connected in the motor line in series with the associated motor. This is possible due to the fact that this series resistor can be used during operation, e.g. is bridged by a relay switch, which is opened for throttling.
  • Travel information can be obtained by counting the ripple of the back EMF of the associated motor.
  • control devices (9, 9 ') of the electromotive furniture drives (100, 100') have detection means for detecting drive-specific values such as motor current, motor operating voltage, engine speed or the like of the electric motor of the at least one associated adjusting drive (7, 7 '; , 8 ') on or are connected to it.
  • drive-specific values are the adjustment path of a linearly movable output member of an adjustment drive or (7, 7 ', 8, 8') the displacement angle of a rotating or pivoting output member of another adjustment drive not described in more detail here.
  • an alternative embodiment provides a plurality of operating units 10 which control the furniture arrangement 200.
  • at least one adjusting drive 7, 7 ', 8, 8' may include a control device 9, 9 ', with adjusting drive 7, 7', 8, 8 'and control device 9, 9' having a common housing.

Description

Die Erfindung betrifft eine Möbelanordnung mit zumindest zwei Möbeln gemäß dem Oberbegriff des Anspruchs 1. Die Erfindung bezieht sich auch auf ein Verfahren zum Parallelsteuern von zumindest zwei elektromotorischen Möbelantrieben einer Möbelanordnung.The invention relates to a furniture arrangement with at least two furniture according to the preamble of claim 1. The invention also relates to a method for parallel control of at least two electromotive furniture drives a furniture assembly.

Möbel, mit mehreren Stützflächen zur Abstützung einer sich im Möbel befindenden Person sind z.B. als Betten, Sofas, Sessel u.dgl. weit verbreitet und bekannt. Sie besitzen wenigstens eine bewegliche Stützfläche, welche relativ zu wenigstens einer weiteren Stützfläche beweglich gelagert ist. Die bewegliche Stützfläche ist z.B. ein Rückenteil oder/und ein Beinteil, die mit wenigstens einem elektromotorischen Möbelantrieb verstellbar ist. Dazu kann die bewegliche Stützfläche mittels eines geeigneten Beschlags verschwenkbar, verschiebbar oder beides sein. Es ist auch möglich, dass ein Grundelement, z.B. ein Bettrahmen, höhenverstellbar mit einem oder mehreren Möbelantrieben ausgeführt ist.Furniture having a plurality of support surfaces for supporting a person in the furniture is e.g. as beds, sofas, armchairs and the like. widely used and known. They have at least one movable support surface, which is mounted movably relative to at least one further support surface. The movable support surface is e.g. a back part and / or a leg part, which is adjustable with at least one electromotive furniture drive. For this purpose, the movable support surface can be pivoted, displaceable or both by means of a suitable fitting. It is also possible that a primitive, e.g. a bed frame, height adjustable with one or more furniture drives is executed.

Ein elektromotorischer Möbelantrieb umfasst zumindest einen elektrischen Motor, der häufig als bürstenbehafteter Gleichstrommotor ausgebildet ist. Dem Motor ist ein Getriebe nachgeschaltet, wobei üblicherweise ein Gleichstromgetriebemotor verwendet wird. Weiterhin umfasst der elektromotorische Möbelantrieb eine Bedieneinheit und eine Steuereinrichtung. Die Bedieneinheit kann drahtgebunden oder drahtlos ausgestaltet sein und weist eine Anzahl Drucktasten auf, bei deren Betätigung über die Signalübertragung ein Steuersignal zur elektrischen Ansteuerung des jeweiligen Motors in der jeweiligen Drehrichtung erfolgt.An electromotive furniture drive comprises at least one electric motor, which is often designed as a brushed DC motor. The engine is followed by a transmission, usually a DC gear motor is used. Furthermore, the electromotive furniture drive comprises an operating unit and a control device. The control unit may be designed wired or wireless and has a number of pushbuttons, when actuated via the signal transmission, a control signal for electrical control of the respective motor in the respective direction of rotation.

Möbelanordnungen sind Anordnungen von Möbeln, z.B. zwei nebeneinander stehende Betten oder Doppelbetten. Dabei ist jedes verstellbare Möbel üblicherweise mit einem elektromotorischen Möbelantrieb mit zumindest einem Verstellantrieb, einer Steuereinrichtung und einer Bedieneinheit ausgestattet.Furniture arrangements are arrangements of furniture, e.g. two adjoining beds or double beds. Each adjustable furniture is usually equipped with an electromotive furniture drive with at least one adjustment, a control device and a control unit.

Eine Anzahl Motoren sind an einer Anzahl Steuerungen angeschlossen und bilden zusammen einen Antriebsset, der auch als elektromotorischer Möbelantrieb bezeichnet wird. Ein dreimotoriges Bett weist ein Antriebsset (Möbelantrieb) mit drei Verstellantrieben auf. Es gibt auch Verstellantriebe mit integrierter Steuerung, an welche noch weitere Antriebe angeschlossen sein können.A number of motors are connected to a number of controllers and together form a drive set, which is also referred to as an electromotive furniture drive. A three-motor bed has a drive set (furniture drive) with three adjustment drives on. There are also adjusting drives with integrated control, to which even more drives can be connected.

In der DE 93 194 84 U1 sind zwei Einzelbetten mit jeweils einem elektromotorischen Möbelantrieb beschrieben. Die Möbelantriebe bzw. Antriebssets sind über eine Leitung zur Energieversorgung steuerungstechnisch miteinander verbunden, wobei zusätzliche Kontakte zur Leitung von Schaltsignalen an den Energieversorgungsanschlüssen vorgesehen sind. Dabei ist es möglich, mit einer Bedienungseinheit die Verstellantriebe beider elektromotorischen Möbelantriebe bzw. Antriebssets zu steuern.In the DE 93 194 84 U1 Two single beds are described, each with an electromotive furniture drive. The furniture drives or drive sets are connected via a line to the power supply control technology with each other, with additional contacts are provided for the conduction of switching signals to the power supply terminals. It is possible to control the adjusting drives of both electromotive furniture drives or drive sets with an operating unit.

Eine Synchronsteuerung von Verstellantrieben umfasst zumindest zwei Verstellantriebe eines gemeinsamen Antriebssets (elektromotorischer Möbelantrieb) mit einer gemeinsamen Steuereinrichtung. Z.B. werden für eine Höhenverstellung einer Tischplatte mit zwei Verstellantrieben beide Verstellantriebe gleichzeitig eingeschaltet und verfahren. Dabei dient die Synchronsteuerung dazu, dass beide Verstellantriebe eine gleiche Verstellgeschwindigkeit aufweisen, so dass keine Schrägstellung der Tischplatte erfolgt. Weist der Motor des einen Verstellantriebs z.B. eine geringere Drehzahl aufgrund von höherer Belastung als der Motor des anderen Verstellantriebs auf, so wird üblicherweise die Drehzahl des schnelleren Motors durch geeignete Maßnahmen der gemeinsamen Steuereinrichtung verringert. Dabei wird z.B. mittels PWM (Pulsweitenmodulation) die Drehzahl des schnelleren Motors verkleinert.A synchronous control of adjusting drives comprises at least two adjusting drives of a common drive set (electromotive furniture drive) with a common control device. For example, Both adjusting drives are switched on and moved simultaneously for a height adjustment of a table top with two adjusting drives. The synchronous control serves to ensure that both adjustment drives have the same adjustment speed so that there is no inclination of the table top. If the motor of the one adjusting drive has e.g. a lower speed due to higher load than the motor of the other adjustment, so usually the speed of the faster motor is reduced by appropriate measures of the common control device. In doing so, e.g. PWM (Pulse Width Modulation) reduces the speed of the faster motor.

Im Gegensatz zu einer Synchronsteuerung werden bei einer Parallelsteuerung mindestens zwei Verstellantriebe, von denen jeder einem separaten Antriebsset angehört, gleichzeitig, d.h. parallel, verfahren. Jeder Verstellantrieb weist dabei eine eigene Steuereinrichtung auf.In contrast to a synchronous control, in a parallel control at least two variable speed drives, each of which belongs to a separate drive set, are simultaneously, i. parallel, proceed. Each adjusting drive has its own control device.

Mehrere Antriebssets können gemäß des Standes der Technik nur schwer miteinander verbunden werden, da sich der

  • Montageaufwand extrem erhöht (zusätzliche Steckanschlüsse einer jeden Steuerung, zusätzliche Kabelverbindung zwischen den Steuerungen, zusätzlicher Montageaufwand für die Kabelverlegung zwischen zwei oder mehreren Möbeln).
  • Programmieraufwand erhöht (Synchronsteuerungen des Standes der Technik sind mikroprozessorgesteuert ausgeführt, die Kommunikation mit einer weiteren Steuerung muss beispielsweise nach den Kriterien der Busverbindung angepasst werden)
Several drive sets can be difficult to connect to each other according to the prior art, since the
  • Extremely increased assembly costs (additional plug-in connections of each control, additional cable connection between the controls, additional installation effort for cable routing between two or more furniture).
  • Programming effort increased (synchronous controllers of the prior art are executed microprocessor-controlled, the communication with another controller must be adjusted, for example, according to the criteria of the bus connection)

Dabei ist jedes Antriebsset in einem Möbel eingesetzt (z.B. zwei Einzelbetten). Es können auch in einem Möbel mehrere Antriebssets eingesetzt sein (z.B. Doppelbett oder Verkettung mehrerer Hubtische).Each drive set is used in a piece of furniture (for example, two single beds). It is also possible to use several drive sets in a piece of furniture (for example a double bed or a chaining of several lift tables).

Die Aufgabe der vorliegenden Erfindung besteht darin, eine verbesserte Möbelanordnung mit Parallelsteuerung von zumindest zwei elektromotorischen Möbelantrieben d.h. Antriebssets zu schaffen.The object of the present invention is to provide an improved furniture arrangement with parallel control of at least two electromotive furniture drives i. To create drive sets.

Diese Aufgabe wird durch Möbelanordnung mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by furniture arrangement with the features of claim 1.

Eine weitere Aufgabe ist es, ein verbessertes Verfahren zum Parallelsteuern bereitzustellen.Another object is to provide an improved method of parallel control.

Diese Aufgabe wird durch ein Verfahren mit den Merkmalen des Anspruchs 9 gelöst.This object is achieved by a method having the features of claim 9.

Die Steuereinrichtungen der elektromotorischen Möbelantriebe sind mit Detektionsmitteln zur Erfassung antriebsspezifischer Werte wie Motorstrom, Motorbetriebsspannung, Motordrehzahl des elektrischen Motors des zumindest einen zugehörigen Verstellantriebs zur Parallelsteuerung ausgerüstet und können untereinander und mit der Bedienungseinheit, oder untereinander über die Bedienungseinheit kommunizieren. Damit ist eine einfache Lösung geschaffen, wobei gleiche Antriebssets in Möbelanordnungen zur Parallelsteuerung verbindbar sind.The control devices of the electromotive furniture drives are equipped with detection means for detecting drive-specific values such as motor current, motor operating voltage, motor speed of the electric motor of the at least one associated adjusting drive for parallel control and can communicate with each other and with the operating unit, or with each other via the operating unit. For a simple solution is created, wherein the same drive sets are connected in furniture arrangements for parallel control.

Demgemäß umfasst eine erfindungsgemäße Möbelanordnung zumindest zwei Möbel mit jeweils einem elektromotorischen Möbelantrieb zur Verstellung zumindest eines beweglichen Teils eines jeden der zumindest zwei Möbel, wobei jeder elektromotorische Möbelantrieb a) zumindest einen Verstellantrieb mit jeweils zumindest einem elektrischen Motor, einem damit gekoppelten Drehzahlreduziergetriebe, mit welchem ein Abtriebsglied antriebstechnisch gekoppelt und linear verfahrbar und/oder rotierbar bewegbar ist, und b) zumindest eine Steuereinrichtung umfasst, wobei c) die Möbelanordnung eine Bedienungseinheit zur Betätigung aller elektrischen Motore der Verstellantriebe der elektromotorischen Möbelantriebe aufweist. Die Steuereinrichtungen der elektromotorischen Möbelantriebe sind mit Detektionsmitteln zur Erfassung antriebsspezifischer Werte wie Motorstrom, Motorbetriebsspannung, Motordrehzahl oder dergleichen des elektrischen Motors des zumindest einen zugehörigen Verstellantriebs und mit wenigstens einer Stelleinrichtung zum veränderbaren Stellen der Betriebsspannung des elektrischen Motors des zumindest einen zugehörigen Verstellantriebs für eine Parallelsteuerung des zumindest einen Verstellantriebs des einen elektromotorischen Möbelantriebs und des zumindest einen Verstellantriebs des anderen elektromotorischen Möbelantriebs ausgebildet. Die Steuereinrichtungen sind zur Kommunikation mit der Bedienungseinheit und untereinander, oder zur Kommunikation untereinander über die Bedienungseinheit mit zumindest einer Übertragungsstrecke ausgebildet.Accordingly, a furniture arrangement according to the invention comprises at least two furniture, each with an electromotive furniture drive for adjusting at least one movable part of each of the at least two furniture, each electromotive furniture drive a) at least one adjustment with at least one electric motor, a so coupled speed reducer, with which Output member drivenly coupled and linearly movable and / or rotatably movable, and b) comprises at least one control device, wherein c) the furniture assembly comprises an operating unit for actuating all electrical motors of the adjusting drives of the electromotive furniture drives. The control devices of the electromotive furniture drives are provided with detection means for detecting drive-specific values such as motor current, motor operating voltage, motor speed or the like of the electric motor of the at least one associated adjusting drive and with at least one adjusting device for variable positions the operating voltage of the electric motor of the at least one associated adjusting drive for a parallel control of the at least one adjustment of an electromotive furniture drive and the at least one adjustment of the other electromotive furniture drive formed. The control devices are designed for communication with the operating unit and with one another, or for communication with one another via the operating unit with at least one transmission link.

Damit ist ein einfaches Verbinden der von einer Anzahl Handschalter ausgehenden Steuersignale mit dem jeweiligen Möbel bzw. mit dem jeweiligen Antriebsset möglich.For a simple connection of the outgoing of a number of hand control signals with the respective furniture or with the respective drive set is possible.

Dabei ist es vorteilhaft, wenn die zumindest eine Übertragungsstrecke bidirektional ausgebildet ist. Jedes Antriebsset weist eine bidirektionale Übertragungsstrecke zu der Bedienungseinheit oder auch zu einer Anzahl von Bedienungseinheiten, sowie zu einer Anzahl von Antriebssets bzw. elektromotorischen Möbelantrieben auf.It is advantageous if the at least one transmission path is bidirectional. Each drive set has a bidirectional transmission path to the operating unit or to a number of operating units, as well as to a number of drive sets or electromotive furniture drives.

In einer Ausführung ist zumindest eine Steuereinrichtung entsprechend der detektierten antriebsspezifischen Werte zur Übertragung von korrespondierenden Signalen über die zumindest eine Übertragungsstrecke ausgebildet ist. Damit ist die Kommunikation in einfacher Weise möglich.In one embodiment, at least one control device is designed in accordance with the detected drive-specific values for transmitting corresponding signals via the at least one transmission path. Thus, the communication is possible in a simple manner.

Dazu ist es weiterhin vorteilhaft, wenn jede weitere Steuereinrichtung und die Bedienungseinheit zum Empfang der von der zumindest einen Steuereinrichtung übertragenen korrespondierenden Signale ausgebildet ist.For this purpose, it is furthermore advantageous if each further control device and the operating unit are designed to receive the corresponding signals transmitted by the at least one control device.

In einer weiteren Ausführung ist es vorgesehen, dass zumindest eine Steuereinrichtung ein Programm zum veränderbaren Stellen der Betriebsspannung wenigstens eines elektrischen Motors des zumindest einen Verstellantriebs aufweist, wodurch ein einfaches Stellen einer Drehzahl des elektrischen Motors ermöglicht wird.In a further embodiment, it is provided that at least one control device has a program for variably setting the operating voltage of at least one electric motor of the at least one adjusting drive, whereby a simple setting of a rotational speed of the electric motor is made possible.

Weiterhin ist vorgesehen, dass die Stelleinrichtung zum veränderbaren Stellen der Betriebsspannung des elektrischen Motors des zumindest einen zugehörigen Verstellantriebs mit einer PWM-Steuerung oder/und mit zumindest einem schaltbaren elektrischen Vorwiderstand in Reihe mit dem elektrischen Motor ausgebildet ist.Furthermore, it is provided that the adjusting device is designed to variably set the operating voltage of the electric motor of the at least one associated adjusting drive with a PWM control and / or with at least one switchable electrical series resistor in series with the electric motor.

Die Steuereinrichtungen können vorteilhaft untereinander kommunizieren, wenn die zumindest eine Steuereinrichtung des einen der elektromotorischen Antriebe mit der zumindest einen Steuereinrichtung des anderen der elektromotorischen Antriebe über eine Übertragungsstrecke gekoppelt ist.The control devices can advantageously communicate with one another if the at least one control device of one of the electromotive drives is coupled to the at least one control device of the other of the electromotive drives via a transmission path.

Die Übertragungsstrecken können drahtlos oder/und drahtgebunden ausgebildet sein. Damit ist eine Verwendung auch von unterschiedlichen Antriebssets möglich.The transmission links may be wireless or / and wired. For a use of different drive sets is possible.

Jedes Antriebsset bzw. jeder elektromotorische Möbelantriebe weist ein Steuerprogramm auf. Alle Steuerprogramme sind mittels der bidirektionalen Übertragungsstrecke zur Kommunikation untereinander ausgebildet. So kann vorteilhaft ein Austausch der Verstellparameter (Weg, Winkel, Strom, Spannung) mehrerer "Antriebssets" untereinander erfolgen. Die Kommunikation kann direkt zwischen den Steuerungen oder/und über den Handschalter als gemeinsame Kommunikationszentrale erfolgen.Each drive set or each electromotive furniture drives has a control program. All control programs are formed by means of the bidirectional transmission path for communication with each other. Thus, an advantageous exchange of Verstellparameter (path, angle, current, voltage) of several "drive sets" with each other. The communication can be done directly between the controllers or / and via the handset as a common communication center.

Ein erfindungsgemäßes Verfahren zum Parallelsteuern von zumindest zwei elektromotorischen Möbelantrieben der oben beschriebenen Möbelanordnung weist die Verfahrensschritte auf: (S1) Erfassen von aktuellen Verstellpositionen der betriebenen Motore der parallel zu steuernden Verstellantriebe; (S2) Kommunizieren der aktuellen Ist-Positionen der betriebenen Motore der parallel zu steuernden Verstellantriebe zwischen den Steuereinrichtungen und Vergleichen dieser aktuellen Ist-Positionen; und (S3) Parallelsteuern der betriebenen Motore der parallel zu steuernden Verstellantriebe durch Drosseln eines erkannten voreilenden Motors der parallel zu steuernden Verstellantriebe oder Beschleunigen des nacheilenden Motors auf eine höhere Drehzahl.A method according to the invention for the parallel control of at least two electromotive furniture drives of the furniture arrangement described above comprises the method steps: (S1) detecting actual adjustment positions of the operated motors of the adjusting drives to be controlled in parallel; (S2) communicating the current actual positions of the operated motors of the adjusting drives to be controlled in parallel between the control devices and comparing these current actual positions; and (S3) parallel control of the operated motors of the variable-displacement drives to be controlled in parallel by throttling a detected leading motor of the parallel-controlled variable speed drives or accelerating the trailing motor to a higher speed.

In einer Ausführung werden im zweiten Verfahrensschritt (S2) die Ist-Positionen mit vorher festlegbaren Werten, z.B. Tabellenwerten, verglichen. Tabellenwerte sind vorteilhaft, da sie auf einfache Weise vorher festgelegt werden können.In one embodiment, in the second method step (S2), the actual positions are determined with predeterminable values, e.g. Table values, compared. Table values are advantageous because they can be easily predefined.

In einer weiteren Ausführung ist vorgesehen, dass im dritten Verfahrensschritt (S3) ein Drosseln des voreilenden Motors oder ein Beschleunigen des jeweils nacheilenden Motors mit der Intensität eines vorher festlegbaren Wertes, z.B. in der Tabelle hinterlegten Wertes, erfolgt. Da die Tabellenwerte bereits zuvor erstellt worden sind, ist ein Berechnen oder Ermitteln, z.B. über Algorithmen, nicht erforderlich, wodurch Zeit gespart wird.In a further embodiment, it is provided that in the third method step (S3) throttling of the leading motor or acceleration of the respective lagging motor with the intensity of a pre-definable value, e.g. value stored in the table. Since the table values have already been created, calculating or determining, e.g. using algorithms, not required, which saves time.

In noch einer weiteren Ausführung erfolgt im zweiten Verfahrensschritt (S2) das Kommunizieren zwischen den Steuereinrichtungen und der Bedienungseinheit oder zwischen einer der Steuereinrichtungen und der Bedienungseinheit, wodurch ein Einsatzbereich erhöht ist.In yet another embodiment, in the second method step (S2), communication takes place between the control devices and the operating unit or between one of the control devices and the operating unit, whereby an area of use is increased.

Anhand der beigefügten Zeichnungen wird die Erfindung noch näher erläutert. Es zeigen:

Figur 1
eine schematische Perspektivansicht eines beispielhaften Möbels;
Figur 2-2a
schematische Perspektivansichten von Ausführungsbeispielen von Bedienungseinheiten;
Figur 3
eine schematische Perspektivansicht einer beispielhaften Möbelanordnung;
Figur 4-4a
schematische Blockschaltbilder von erfindungsgemäßen Parallelsteuerungsanordnungen von elektromotorischen Möbelantrieben mit drahtlosen Bedienungseinheiten;
Figur 5-5b
schematische Blockschaltbilder von erfindungsgemäßen Parallelsteuerungsanordnungen von elektromotorischen Möbelantrieben mit drahtgebundenen Bedienungseinheiten; und
Figur 6
ein schematisches Flussdiagramm eines erfindungsgemäßen Verfahrens zum Parallelsteuern von zumindest zwei elektromotorischen Möbelantrieben einer Möbelanordnung.
Reference to the accompanying drawings, the invention will be explained in more detail. Show it:
FIG. 1
a schematic perspective view of an exemplary piece of furniture;
Figure 2-2a
schematic perspective views of embodiments of operating units;
FIG. 3
a schematic perspective view of an exemplary furniture assembly;
Figure 4-4a
schematic block diagrams of parallel control arrangements according to the invention of electromotive furniture drives with wireless control units;
Figure 5-5b
schematic block diagrams of parallel control arrangements of electromotive furniture drives according to the invention with wired control units; and
FIG. 6
a schematic flow diagram of a method according to the invention for parallel control of at least two electromotive furniture drives a furniture assembly.

Fig. 1 zeigt ein Ausführungsbeispiel eines erfindungsgemäßen Möbels 1. In den Figuren 2 und 2a sind schematische Perspektivansichten einer Bedienungseinheit 10, 10' dargestellt. Fig. 1 1 shows an exemplary embodiment of a piece of furniture 1 according to the invention. FIGS. 2 and 2 a show schematic perspective views of an operating unit 10, 10 '.

Das Möbel 1 ist hier als ein Bett dargestellt und weist wenigstens ein Stützelement 3 zur Aufnahme von Gegenständen, einer Polsterung, einer Matratze M und/oder einer Person auf. Das Stützelement 3 ist z.B. als ein Lattenrost, als ebene Stützfläche oder dergleichen ausgebildet und an einem Grundelement 2, hier ein Gestell mit Füßen, zur Ankopplung des Möbels 1 an einem Aufstellort, z.B. Fußboden, angebracht.The furniture 1 is shown here as a bed and has at least one support element 3 for receiving objects, a padding, a mattress M and / or a person. The support element 3 is e.g. as a slatted frame, as a flat support surface or the like and formed on a base member 2, here a frame with feet, for coupling the furniture 1 at a place of installation, e.g. Floor, attached.

Das Stützelement 3 weist hier ein Rückenteil 4 und ein Beinteil 5 auf, welche relativ zu dem Stützelement 3 und/oder einem weiteren Stützelement oder relativ zu dem Grundelement 2 beweglich gelagert angeordnet sind. Diese bewegliche Anordnung ist hier mittels eines so genannten Bewegungsbeschlags 6 realisiert. Die Bewegung ist verschiebbar und/oder schwenkbar ausgebildet.The support element 3 here has a back part 4 and a leg part 5, which are arranged movably relative to the support element 3 and / or a further support element or relative to the base element 2. This movable arrangement is realized here by means of a so-called motion fitting 6. The movement is designed to be displaceable and / or pivotable.

Das Möbel 1 weist außerdem einen elektromotorischen Möbelantrieb 100 auf, der hier zwei Verstellantriebe 7 und 8, eine Steuereinrichtung 9 und eine Bedienungseinheit 10 umfasst. Die Bedienungseinheit 10 ist in diesem Beispiel drahtlos ausgeführt.The furniture 1 also has an electromotive furniture drive 100, which here comprises two adjusting drives 7 and 8, a control device 9 and an operating unit 10. The operating unit 10 is wireless in this example.

Das beweglich gelagerte Rückenteil 4 und das Beinteil 5 sind jeweils mit einem Verstellantrieb 7, 8 gekoppelt. So ist das Rückenteil 4 mit dem Verstellantrieb 7 gekoppelt. Zur Bewegung bzw. Verstellung des Beinteils 5 ist der Verstellantrieb 8 vorgesehen.The movably mounted back part 4 and the leg part 5 are each coupled to an adjusting drive 7, 8. Thus, the back part 4 is coupled to the adjusting drive 7. For movement or adjustment of the leg part 5 of the adjustment 8 is provided.

Die Verstellantriebe 7, 8 sind als Linearantriebe ausgebildet. Die Linearantriebe weisen einen oder eine Anzahl Elektromotore auf, wobei jedem Motor ein Drehzahlreduziergetriebe mit wenigstens einer Getriebestufe nachgeschaltet ist. Dem Drehzahlreduziergetriebe kann ein weiteres Getriebe, beispielsweise in Form eines Gewindespindelgetriebes, nachgeschaltet sein, welches aus der Drehbewegung des Motors eine Linearbewegung eines Abtriebsgliedes erzeugt. Das letzte Getriebeglied oder ein damit verbundenes weiteres Glied bildet das Abtriebsglied. Das Abtriebsglied des jeweiligen Verstellantriebs steht mit dem jeweiligen Möbelbauteil (Rückenteil 4, Beinteil 5) oder alternativ mit einem mit dem Grundrahmen 2 verbundenes Bauteil in Verbindung, so dass bei einem Betrieb des Elektromotors des jeweiligen Verstellantriebs 7, 8 die beweglichen Möbelbauteile 4, 5 relativ zueinander bzw. relativ zum Grundrahmen 2 verstellt werden.The adjusting drives 7, 8 are designed as linear drives. The linear drives have one or a number of electric motors, wherein each motor is followed by a Drehzahlreduziergetriebe with at least one gear stage. The Drehzahlreduziergetriebe may be followed by a further transmission, for example in the form of a threaded spindle gear, which generates a linear movement of an output member from the rotational movement of the motor. The last gear member or an associated further member forms the output member. The output member of the respective adjusting drive communicates with the respective furniture component (back part 4, leg part 5) or alternatively with a component connected to the base frame 2, so that during operation of the electric motor of the respective adjusting drive 7, 8, the movable furniture components 4, 5 relative relative to each other or relative to the base frame 2 are adjusted.

Die Verstellantriebe 7, 8 sind mit der Steuereinrichtung 9 jeweils über eine Antriebsleitung 100a verbunden, wie z.B. in Fig. 4 dargestellt ist. Diese Antriebsleitung 100a kann z.B. als steckbare Kabelverbindung ausgeführt sein. Die Steuereinrichtung 9 weist eine nicht gezeigte elektrische Versorgungseinheit auf, welche die elektrische Energie, z.B. aus dem Netz, für die Verstellantriebe 7, 8 bereitstellt. Dazu ist die Steuereinrichtung 9 in diesem Beispiel über ein Netzkabel mit einem Netzstecker mit einem Netzanschluss verbindbar. Das Netzkabel ist nicht dargestellt, aber leicht vorstellbar. Der Netzstecker leitet über das Netzkabel die eingangsseitige Netzspannung zu der elektrischen Versorgungseinheit der Steuereinrichtung 9, welche sekundärseitig eine Kleinspannung in Form einer Gleichspannung abgibt und diese zu einer ebenfalls nicht gezeigten Motorsteuerung mit Steuerschaltern weiterleitet.The adjusting drives 7, 8 are connected to the control device 9 in each case via a drive line 100a, such as in Fig. 4 is shown. This drive line 100a can be designed, for example, as a pluggable cable connection. The control device 9 has an electrical supply unit, not shown, which provides the electrical energy, for example from the network, for the adjusting drives 7, 8. For this purpose, the control device 9 is connectable in this example via a power cord with a power plug with a power supply. The power cord is not shown, but easy to imagine. The power plug passes via the power cord, the input side mains voltage to the electrical supply unit of the control device 9, which outputs a low voltage in the form of a DC voltage on the secondary side and forwards them to a likewise not shown motor control with control switches.

Alternativ hierzu ist der Steuereinrichtung 9 eine nicht näher dargestellte netzabhängige Spannungsversorgung mit Netzeingang und mit sekundärseitigem Kleinspannungsausgang vorgeschaltet, welche über die Leitung 9d die Kleinspannung in Form einer Gleichspannung zuführt.Alternatively, the control device 9 is preceded by a network-dependent power supply not shown in detail with mains input and secondary-side low-voltage output, which supplies the low voltage in the form of a DC voltage via the line 9d.

Dem Möbel 1 ist ferner eine Bedienungseinheit 10, 10' zugewiesen, mit dessen Bedienungselementen 12, 13 (siehe Fig. 2) die Verstellantriebe 7, 8 über die Steuereinrichtung 9 steuerbar sind.The furniture 1 is further assigned an operating unit 10, 10 ', with its operating elements 12, 13 (see Fig. 2 ) the adjusting drives 7, 8 are controllable via the control device 9.

Die Bedienungseinheit 10 gemäß Fig. 2 ist mit einer Sendeeinrichtung oder Sende/Empfangseinrichtung für eine drahtlose Übertragung versehen. Die drahtlose Übertragung kann eine Übertragungsstrecke 23, 23' (siehe Fig. 5, 5a, 5b) mit Funkübertragung, optischer Übertragung (z.B. Infrarot) oder/und Ultraschallübertragung sein, wobei die Steuereinrichtung 9 mit einer jeweiligen entsprechenden Übertragungseinheit 9a, 9'a (siehe z.B. Fig. 5) ausgerüstet ist.The operating unit 10 according to Fig. 2 is provided with a transmitter or transceiver for wireless transmission. The wireless transmission may include a transmission link 23, 23 '(see Fig. 5, 5a, 5b ) with radio transmission, optical transmission (eg infrared) and / or ultrasonic transmission, wherein the control device 9 with a respective corresponding transmission unit 9a, 9'a (see, eg Fig. 5 ) is equipped.

In einer anderen Ausführung ist die Bedienungseinheit 10' mit einer Bedienungsleitung 18 in drahtgebundener Form ausgeführt, was Fig. 2a zeigt. Dabei ist die Bedienungsleitung 18 mit der Steuereinrichtung 9 verbindbar, z.B. steckbar. Dies ist z.B. in Fig. 4a beispielhaft dargestellt.In another embodiment, the operating unit 10 'is designed with a control line 18 in a wired form, which Fig. 2a shows. In this case, the service line 18 can be connected to the control device 9, for example pluggable. This is eg in Fig. 4a exemplified.

Die Bedienungseinheit 10, 10' ist mit Bedienungselementen 12, 13 versehen, welche zur Bedienung eines jeweiligen Verstellantriebs 7, 8 vorgesehen sind. Die Bedienungselemente 12, 13 sind z.B. als Taster ausgeführt. Beispielsweise dienen die Bedienungselemente 12 zum Hochstellen und die Bedienungselemente 13 zum Absenken des jeweiligen beweglichen Möbelteils. In Fig. 2 und 2a sind Bedienungseinheiten 10, 10' für sechs Verstellantriebe gezeigt.The operating unit 10, 10 'is provided with operating elements 12, 13, which are provided for the operation of a respective adjusting drive 7, 8. The controls 12, 13 are designed for example as a button. For example, serve the controls 12 for raising and the controls 13 for lowering the respective movable furniture part. In Fig. 2 and 2a Operating units 10, 10 'are shown for six adjusting drives.

Ferner ist die Bedienungseinheit 10, 10' mit einem Meldeelement 14, z.B. einer Leuchtdiode, ausgerüstet. Das Meldeelement 14 dient z.B. zur Funktionsanzeige bzw. Rückmeldung, Fehleranzeige etc.Furthermore, the operating unit 10, 10 'is provided with a signaling element 14, e.g. a light emitting diode, equipped. The signaling element 14 serves e.g. for function display or feedback, error display etc.

Ein Zusatzbedienungselement 15, welches auch aus mehreren Bedienungselementen oder/und einem Kombinationsbedienungselement bestehen kann, dient für eine so genannte Memoryfunktion der Verstellantriebe 7, 8.An additional operating element 15, which may also consist of a plurality of operating elements and / or a combination operating element, serves for a so-called memory function of the adjusting drives 7, 8.

Außerdem können Zusatzfunktionen, wie z.B. Leselampe oder/und Heizung, mittels weiterer Zusatzbedienungselemente 16, 17 bedienbar sein.In addition, additional functions, such as Reading lamp and / or heating, be operated by means of additional additional control elements 16, 17.

Die Zusatzbedienungselemente 15, 16, 17 können als Taster oder/und Schalter ausgeführt sein.The additional controls 15, 16, 17 may be designed as a button and / or switch.

Bei Betätigen eines Bedienungselementes 12, 13 wird ein Steuersignal zur Ansteuerung des jeweiligen Verstellantriebs 7, 8 über die Übertragungsstrecke 23, 23' drahtlos oder drahtgebunden der Steuereinrichtung 9 übermittelt. Die Steuereinrichtung 9 weist für die elektrischen Motoren der Verstellantriebe 7, 8 Steuerschalter mit Schaltelementen auf, welche die Steuersignale der Übertragungsstrecke in Schaltsignale zum Schalten des jeweiligen Verstellantriebs 7, 8 umwandeln. Die Schaltelemente können z.B. Relaisschalter oder/und Halbleiterschalter sein. Die manuell betätigbaren Bedienungselemente 12, 13 der Bedienungseinheit 10 erzeugen Steuersignale, die hier von der Übertragungseinheit 9a, 9'a der Steuereinrichtung 9 in Steuerströme für die Schaltelemente umgewandelt werden. Bei der drahtgebundenen Bedienungseinheit 10' schalten die Bedienungselemente 12, 13 den Steuerstrom der Relaisschalter bzw. der Halbleiterschalter. In beiden Fällen schalten die Leistungsschalter der Relaisschalter bzw. der Halbleiterschalter den hohen Motorstrom des jeweiligen Verstellantriebs 7, 8. Es ist auch eine Ausführung möglich, bei welcher die Motorströme direkt durch die Kontakte der Bedienungselemente 12, 13 der Bedienungseinheit 10 fließen.Upon actuation of a control element 12, 13 is a control signal for controlling the respective adjustment drive 7, 8 via the transmission path 23, 23 'wirelessly or wired to the control device 9 transmitted. The control device 9 has for the electric motors of the adjusting drives 7, 8 control switches with switching elements which convert the control signals of the transmission path into switching signals for switching the respective adjusting drive 7, 8. The switching elements may be, for example, relay switch and / or semiconductor switch. The manually operable controls 12, 13 of the control unit 10 generate control signals which are converted here by the transmission unit 9a, 9'a of the control device 9 in control currents for the switching elements. In the case of the wired operating unit 10 ', the operating elements 12, 13 switch the control current of the relay switches or the semiconductor switches. In both cases, the circuit breaker of the relay switch or the semiconductor switch the high motor current of the respective adjustment drive 7, 8. It is also an embodiment possible in which the motor currents flow directly through the contacts of the controls 12, 13 of the control unit 10.

Die Verstellantriebe 7, 8 sind als bürstenbehaftete Gleichstrommotoren ausgebildet bzw. weisen diese auf.The adjusting drives 7, 8 are designed as brush-mounted DC motors or have them.

Für eine so genannte Memorysteuerung und/oder Synchronsteuerungen und/oder Parallelfahrt für mehrere Verstellantriebe 7, 8 wird eine Gegen-EMK des jeweiligen Motors eines Verstellantriebs 7, 8 erfasst, wobei eine Auswertung von so genannten Ripples der Gegen-EMK stattfindet. Ein Verfahren dazu ist in der DE 10 2009 059 267 A1 ausführlich beschrieben, worauf hier Bezug genommen wird.For a so-called memory control and / or synchronous control and / or parallel drive for several adjusting drives 7, 8, a back EMF of the respective motor of an adjusting drive 7, 8 is detected, an evaluation of so-called ripples of the back EMF takes place. A method is in the DE 10 2009 059 267 A1 described in detail, which is incorporated herein by reference.

Zur Erfassung der Gegen-EMK des Motors M1 wird eine Spannung, die an einem Widerstand in der Motorleitung aufgrund des durch den Widerstand bei Betrieb des Motors fließenden Motorstroms abfällt, an den Anschlüssen des Widerstands gemessen.For detecting the back EMF of the motor M1, a voltage dropped across a resistor in the motor line due to the motor current flowing through the resistor during operation of the motor is measured at the terminals of the resistor.

Eine Synchronsteuerung von Verstellantrieben umfasst zumindest zwei Verstellantriebe eines elektromotorischen Möbelantriebs 100 mit einer gemeinsamen Steuereinrichtung 9. Z.B. werden für eine Höhenverstellung einer Tischplatte mit zwei Verstellantrieben alle zwei gleichzeitig eingeschaltet. Dabei dient die Synchronsteuerung dazu, dass beide Verstellantriebe eine gleiche Verstellgeschwindigkeit aufweisen, so dass keine Schrägstellung der Tischplatte erfolgt. Weist der Motor des einen Verstellantriebs z.B. eine geringere Drehzahl aufgrund von höherer Belastung als der Motor des anderen Verstellantriebs auf, so wird üblicherweise die Drehzahl des schnelleren Motors durch geeignete Maßnahmen der gemeinsamen Steuereinrichtung 9 verringert. Dabei wird z.B. mittels PWM die Drehzahl des schnelleren Motors verkleinert.A synchronous control of adjusting drives comprises at least two adjusting drives of an electromotive furniture drive 100 with a common control device 9. For example, for a height adjustment of a table top with two adjusting drives all two turned on simultaneously. The synchronous control serves to ensure that both adjustment drives have the same adjustment speed so that there is no inclination of the table top. If, for example, the engine of one adjusting drive has a lower rotational speed due to a higher load than the motor of the other adjusting drive, the rotational speed of the faster motor usually becomes through suitable measures of the common control device 9 reduced. For example, PWM reduces the speed of the faster motor.

Im Gegensatz zu einer Synchronsteuerung wird nun im Zusammenhang mit Fig. 3 eine Parallelsteuerung erläutert.Unlike a synchronous control is now related to Fig. 3 a parallel control explained.

Fig. 3 zeigt eine schematische Perspektivansicht einer beispielhaften Möbelanordnung 200 mit zwei nebeneinander stehenden Möbeln 1, 1', die jeweils als ein Bett gemäß Fig. 1 ausgebildet sind. Fig. 3 shows a schematic perspective view of an exemplary furniture assembly 200 with two side by side furniture 1, 1 ', each as a bed according to Fig. 1 are formed.

Die Möbelanordnung 200 umfasst mindestens zwei Möbel 1 und 1'. Die Möbel 1, 1' sind identisch ausgebildet. Sie können auch als ein Doppelbett ausgeführt sein. Das in Fig. 3 angeordnete linke Möbel 1 weist einen elektromotorischen Möbelantrieb 100 mit zwei Verstellantrieben 7, 8 und einer Steuereinrichtung 9 auf. In gleicher Weise ist das rechte Möbel 1' mit einem elektromotorischen Möbelantrieb 100' mit zwei Verstellantrieben 7', 8' und einer Steuereinrichtung 9' versehen. Beide elektromotorische Möbelantriebe 100, 100' sind üblicherweise mit einer Bedienungseinheit 10 ausgerüstet. Hier ist jedoch nur eine Bedienungseinheit 10 vorgesehen, mit welcher beide elektromotorischen Möbelantriebe 100 und 100' bedienbar sind. Die andere Bedienungseinheit wird nicht benötigt.The furniture assembly 200 comprises at least two furniture 1 and 1 '. The furniture 1, 1 'are identical. They can also be designed as a double bed. This in Fig. 3 arranged left furniture 1 has an electromotive furniture drive 100 with two adjusting drives 7, 8 and a control device 9. In the same way, the right-hand furniture 1 'is provided with an electromotive furniture drive 100' with two adjusting drives 7 ', 8' and a control device 9 '. Both electromotive furniture drives 100, 100 'are usually equipped with an operating unit 10. Here, however, only one operating unit 10 is provided, with which both electromotive furniture drives 100 and 100 'can be operated. The other control unit is not needed.

Dazu ist eine erfindungsgemäße Parallelsteuerung von zumindest zwei Verstellantrieben 7, 7' vorgesehen. Die Verstellantriebe 7, 7' gehören jedoch zu unterschiedlichen elektromotorischen Möbelantrieben 1 und 1'. Das heißt, dass der eine Verstellantrieb 7 des ersten elektromotorischen Möbelantriebs 1 mit der Steuereinrichtung 9 des ersten elektromotorischen Möbelantriebs 1 verbunden ist, wobei der andere Verstellantrieb 7' des zweiten elektromotorischen Möbelantriebs 1' mit der Steuereinrichtung 9' des zweiten elektromotorischen Möbelantriebs 1' verbunden ist. Diese Konfiguration ist in den Figuren 4, 4a und 4b dargestellt und wird im Zusammenhang mit diesen Figuren noch ausführlich erläutert.For this purpose, a parallel control according to the invention of at least two adjusting drives 7, 7 'is provided. However, the adjusting drives 7, 7 'belong to different electromotive furniture drives 1 and 1'. That is, one adjusting drive 7 of the first electromotive furniture drive 1 is connected to the control device 9 of the first electromotive furniture drive 1, the other adjusting drive 7 'of the second electromotive furniture drive 1' being connected to the control device 9 'of the second electromotive furniture drive 1' , This configuration is in the FIGS. 4, 4a and 4b and will be explained in detail in connection with these figures.

In diesem Beispiel ist eine Parallelsteuerung sowohl für die Verstellantriebe 7 und 7' als auch für die Verstellantriebe 8 und 8' für jeweils ein Beinteil 5, 5' eines Möbels 1, 1' vorgesehen. Mit anderen Worten, die Verstellantriebe 7 und 7' als auch für die Verstellantriebe 8 und 8' können jeweils von einer einzigen Bedienungseinheit 10 gleichzeitig betätigt werden. Dabei ist es erforderlich, dass sowohl die beiden Rückenteile 4, 4' als auch die beiden Beinteile 5, 5' jeweils mit gleichen Geschwindigkeiten oder zumindest mit sehr ähnlichen Geschwindigkeiten_verstellt werden. Auch dazu wird im Falle z.B. eines voreilenden Verstellantriebs 7, die Verstellgeschwindigkeit, d.h. die Drehzahl dieses Motors, gegenüber dem anderen Motor des langsameren Verstellantriebs 7' verringert.In this example, a parallel control for both the adjusting drives 7 and 7 'and for the adjusting drives 8 and 8' for each leg part 5, 5 'of a piece of furniture 1, 1' is provided. In other words, the adjusting drives 7 and 7 'as well as for the adjusting drives 8 and 8' can each be actuated simultaneously by a single operating unit 10. It is necessary that both the two back parts 4, 4 'and the two leg parts 5, 5' are each adjusted at the same speeds or at least at very similar speeds. Also, in the case of, for example, a leading adjusting drive 7, the adjustment speed, ie the speed of this motor, compared to the other motor of the slower adjustment 7 'reduced.

Fig. 4-4b zeigen schematische Blockschaltbilder von Ausführungsbeispielen erfindungsgemäßer Parallelsteuerungsanordnungen von elektromotorischen Möbelantrieben 100, 100' mit drahtlosen Bedienungseinheiten 10. In Fig. 5-5a sind schematische Blockschaltbilder von Ausführungsbeispielen erfindungsgemäßer Parallelsteuerungsanordnungen von elektromotorischen Möbelantrieben 100, 100' mit drahtgebundenen Bedienungseinheiten 10' dargestellt. Fig. 4-4b show schematic block diagrams of embodiments of inventive parallel control arrangements of electromotive furniture drives 100, 100 'with wireless control units 10. In Fig. 5-5a are schematic block diagrams of embodiments of the invention parallel control arrangements of electromotive furniture drives 100, 100 'shown with wired control units 10'.

Der eine Verstellantrieb 7 ist über die Antriebsleitung 100a mit der ersten Steuereinrichtung 9 verbunden. An der zweiten Steuereinrichtung 9' ist der andere Verstellantrieb 7' über die Antriebsleitung 100'a angeschlossen.The one adjusting drive 7 is connected to the first control device 9 via the drive line 100a. At the second control device 9 ', the other adjustment drive 7' is connected via the drive line 100'a.

In Fig. 4 ist ein erstes Ausführungsbeispiel gezeigt, in welchem die Bedienungseinheit 10 mit beiden Steuereinrichtungen 9 und 9' kommuniziert. Dabei ist zwischen der Bedienungseinheit 10 und einer Übertragungseinheit 9a der ersten Steuereinrichtung 9 eine erste drahtlose Übertragungsstrecke 23 angeordnet. Zwischen der Bedienungseinheit 10 und einer Übertragungseinheit 9'a der zweiten Steuereinrichtung 9' besteht eine zweite drahtlose Übertragungsstrecke 23'.In Fig. 4 a first embodiment is shown, in which the operating unit 10 with both control devices 9 and 9 'communicates. In this case, a first wireless transmission path 23 is arranged between the operating unit 10 and a transmission unit 9a of the first control device 9. Between the operating unit 10 and a transmission unit 9'a of the second control device 9 'there is a second wireless transmission path 23'.

Die drahtlosen Übertragungsstrecken 23 und 23' sind bidirektionale Übertragungsstrecken, wobei die Übertragungseinheiten 9a und 9'a zum Senden und Empfangen von Daten ausgebildet sind.The wireless links 23 and 23 'are bidirectional links, and the transmitters 9a and 9'a are configured to transmit and receive data.

Durch Betätigung der Bedienungseinheit 10 werden Steuersignale über die beiden Übertragungsstrecken 23 und 23' gleichzeitig zu den Steuereinrichtungen 9 und 9' übertragen, um die Verstellantriebe 7 und 7' gleichzeitig ein- und auszuschalten.By actuating the operating unit 10, control signals are transmitted via the two transmission lines 23 and 23 'simultaneously to the control devices 9 and 9' in order to simultaneously switch the adjusting drives 7 and 7 'on and off.

Fig. 4a zeigt ein zweites Ausführungsbeispiel, wobei nur eine bidirektionale Übertragungsstrecke 23 zwischen der Bedienungseinheit 10 und der Übertragungseinheit 9a der ersten Steuereinrichtung 9 angeordnet ist. Eine Verbindung zu der zweiten Steuereinrichtung 9' ist mittels einer bidirektionalen drahtlosen Übertragungsstrecke 21 zwischen Übertragungseinheiten 9b und 9'b der ersten Steuereinrichtung 9 und zweiten Steuereinrichtung 9' vorgesehen. Fig. 4a shows a second embodiment, wherein only one bidirectional transmission path 23 between the operating unit 10 and the transmission unit 9a of the first control device 9 is arranged. A connection to the second control device 9 'is provided by means of a bidirectional wireless transmission path 21 between transmission units 9b and 9'b of the first control device 9 and second control device 9'.

Bei Betätigung der Bedienungseinheit 10 wird zunächst ein Steuersignal über die Übertragungsstrecke 23 an die Übertragungseinheit 9a der ersten Steuereinrichtung 9 übertragen, welche dann dieses Signal an den angeschlossenen Verstellantrieb 7 und über die Übertragungseinheit 9b an die zweite Steuereinrichtung 9' weiterleitet, welche ihrerseits den zweiten Verstellantrieb 7' gleichzeitig steuert.Upon actuation of the operating unit 10, a control signal is first transmitted via the transmission path 23 to the transmission unit 9a of the first control device 9, which then transmits this signal to the connected adjusting drive 7 and via the transmission unit 9b to the second control device 9 'forwards, which in turn controls the second adjusting drive 7' simultaneously.

In dem Ausführungsbeispiel nach Fig. 4b ist die Übertragungsstrecke 21 zwischen den Steuereinrichtungen 9 und 9' drahtgebunden ausgebildet. Nur die erste Steuereinrichtung 9 weist eine drahtlose Übertragungseinheit 9a zur Kommunikation mit der Bedienungseinheit 10 auf.In the embodiment according to Fig. 4b the transmission path 21 between the control devices 9 and 9 'is formed wired. Only the first control device 9 has a wireless transmission unit 9 a for communication with the operating unit 10.

Fig. 5 zeigt eine Parallelsteuerungsanordnung zweier elektromotorischer Möbelantriebe 100, 100' mit der jeweiligen Steuereinrichtung 9, 9' und jeweils einem Verstellantrieb 7, 7'. Die Verstellantriebe 7, 7' sind wie schon in Fig. 4-4b gezeigt jeweils an eine der Steuereinrichtungen 9, 9' über jeweils eine Antriebsleitung 100a, 100'a angeschlossen. Diese Verbindung kann fest als auch steckbar ausgeführt sein, was hier nicht näher beschrieben wird. Fig. 5 shows a parallel control arrangement of two electromotive furniture drives 100, 100 'with the respective control device 9, 9' and in each case an adjusting drive 7, 7 '. The adjusting drives 7, 7 'are as in Fig. 4-4b shown in each case connected to one of the control devices 9, 9 'via a respective drive line 100a, 100'a. This connection can be made solid and pluggable, which will not be described here.

Die Bedienungseinheit 10' ist mit ihrer Bedienungsleitung 18 an eine Verteilereinheit 20 angeschlossen. Die Verteilereinheit 20 ist über eine erste Steuerleitung 19 mit der ersten Steuereinrichtung 9 und über eine zweite Steuerleitung 19' mit der zweiten Steuereinrichtung 9' verbunden. Alle Verbindungsleitungen 18, 19, 19' können an der Verteilereinheit 20 ansteckbar oder fest verdrahtet angeschlossen sein.The operating unit 10 'is connected with its service line 18 to a distribution unit 20. The distributor unit 20 is connected via a first control line 19 to the first control device 9 and via a second control line 19 'to the second control device 9'. All connection lines 18, 19, 19 'can be connected to the distribution unit 20 can be plugged or hardwired.

Die Funktion der Verteilereinheit 20 besteht darin, dass jede einzelne Ader der Bedienungsleitung 18 mit einer Ader der ersten Steuerleitung 19 und gleichzeitig mit einer Ader der zweiten Steuerleitung 19' verbunden sind. Dadurch ist eine Parallelsteuerung der Verstellantriebe 7 und 7' derart möglich, dass diese mittels der Bedienungseinheit 10' gleichzeitig ein- und ausschaltbar sind.The function of the distributor unit 20 is that each individual wire of the service line 18 is connected to a wire of the first control line 19 and at the same time to a wire of the second control line 19 '. As a result, a parallel control of the adjusting drives 7 and 7 'is possible in such a way that they can be switched on and off simultaneously by means of the operating unit 10'.

Die erste Steuerleitung 19 bildet eine erste Übertragungsstrecke 23, wobei die zweite Steuerleitung 19' eine zweite Übertragungsstrecke 23' bildet. Die Bedienungsleitung 18 ist hier eine weitere, gemeinsame Übertragungsstrecke 23a.The first control line 19 forms a first transmission path 23, wherein the second control line 19 'forms a second transmission path 23'. The service line 18 is here a further common transmission link 23a.

In dem Ausführungsbeispiel nach Fig. 5a ist eine drahtgebundene Übertragungsstrecke 21 zwischen den Steuereinrichtungen 9 und 9' vorgesehen, wobei die Bedienungseinheit 10' mit ihrer Bedienungsleitung 18 der ersten Steuereinrichtung 9 angeschlossen ist. Die Bedienungsleitung 18 bildet hier eine Übertragungsstrecke 23.In the embodiment according to Fig. 5a a wired transmission path 21 between the control devices 9 and 9 'is provided, wherein the operating unit 10' is connected to its control line 18 of the first control device 9. The service line 18 forms here a transmission link 23.

Auch die drahtgebundenen Übertragungsstrecken 23a, 23, 23' in Form von Drahtleitungen 18, 19, 19' können bidirektionale Übertragungsstrecken sein.The wired transmission links 23a, 23, 23 'in the form of wire lines 18, 19, 19' may be bidirectional transmission links.

Die Leitungen 18, 19, 19' der beiden Ausführungsbeispiele nach Fig. 5 und 5a können sowohl Steuerleitungen als auch Leistungsleitungen, die Motorstrom führen, sein.The lines 18, 19, 19 'of the two embodiments according to Fig. 5 and 5a can be both control lines and power lines that carry motor current.

Jede Steuereinrichtung 9, 9' ist z.B. mit einem Mikroprozessor bzw. Mikrocomputer ausgerüstet und weist ein Steuerprogramm auf. Alle Steuerprogramme sind mittels der bidirektionalen Übertragungsstrecken 21, 22 zwischen den Steuereinrichtungen 9 und 9' zur Kommunikation untereinander ausgebildet. Es kann somit ein Austausch von Verstellparametern (Verstellweg, Verstellwinkel, Motorstrom, Motorspannung) der elektromotorischen Möbelantriebe 100, 100', deren Anzahl nicht auf die zwei in den Ausführungsbeispielen gezeigten Möbelantriebe 100, 100' beschränkt ist, untereinander erfolgen.Each control device 9, 9 'is e.g. equipped with a microprocessor or microcomputer and has a control program. All control programs are formed by means of the bidirectional transmission links 21, 22 between the control means 9 and 9 'for communication with each other. Thus, an exchange of adjustment parameters (adjustment path, adjustment angle, motor current, motor voltage) of the electromotive furniture drives 100, 100 ', the number of which is not limited to the two furniture drives 100, 100' shown in the exemplary embodiments, can take place among each other.

Dieser Austausch von Verstellparametern der elektromotorischen Möbelantriebe 100, 100' kann auch über die Bedienungseinheit 10, 10' als gemeinsame Kommunikationszentrale erfolgen. Dabei ist die Bedienungseinheit 10, 10' mit einer entsprechenden intelligenten Steuerung, d.h. mit einem Mikroprozessor bzw. Mikrocomputer, versehen.This exchange of adjustment parameters of the electromotive furniture drives 100, 100 'can also take place via the operating unit 10, 10' as a common communication center. In this case, the operating unit 10, 10 'with a corresponding intelligent control, i. with a microprocessor or microcomputer provided.

Es ist ein einfacher Aufbau möglich, da alle Steuereinrichtungen 9, 9' und alle Steuerprogramme eines jeden elektromotorischen Möbelantriebs 100, 100' identisch aufgebaut sein können. Es kann jederzeit ein weiteres Möbel 1, 1' in der Möbelanordnung 200 hinzugefügt werden.It is a simple structure possible because all the control devices 9, 9 'and all control programs of each electromotive furniture drive 100, 100' may be identical. It can be added at any time another piece of furniture 1, 1 'in the furniture assembly 200.

Wenn beide Verstellantriebe 7, 7' gleichzeitig eingeschaltet sind, erfolgt eine Kommunikation von antriebsspezifischen Werten wie Motordrehzahl, Motorstrom, Motorspannung zwischen den Steuereinrichtungen 9 und 9'. Diese antriebsspezifischen Werte werden mit Detektionsmitteln der jeweiligen Steuereinrichtung 9, 9' erfasst. Dabei kann ein Steuerprogramm ein Voreilen des jeweiligen angeschlossenen Motors des Verstellantriebs 7, 7' erfassen. Der voreilende Motor wird dann automatisch von seiner zugehörigen Steuereinrichtung 9, 9' gedrosselt.If both adjustment drives 7, 7 'are switched on at the same time, a communication of drive-specific values such as engine speed, motor current, motor voltage takes place between the control devices 9 and 9'. These drive-specific values are detected by detection means of the respective control device 9, 9 '. In this case, a control program can detect a lead of the respective connected motor of the adjusting drive 7, 7 '. The leading motor is then automatically throttled by its associated control device 9, 9 '.

Ein Drosseln eines Motors erfolgt über eine PWM-Steuerung, Reduzierung der Betriebsspannung des jeweiligen Motors, oder 2-Punktregler (kurzzeitiges Ausschalten), 3-Punktregler (Zwischenstufe mit Heizwiderstand oder anderen Spannungsund Stromflussbegrenzungsmitteln), n-Punktregler mit mehr als 3 Punkten.A motor is throttled via a PWM control, reducing the operating voltage of the respective motor, or 2-point controller (short-time switching off), 3-point controller (intermediate stage with heating resistor or other voltage and current flow limiting means), n-point controller with more than 3 points.

Das Erfassen der antriebsspezifischen Werte wird mit den Detektionsmitteln durch Messen des Motorstroms über den Spannungsabfall eines Widerstands in der Motorleitung realisiert. Die Motordrehzahl kann über inkrementale Drehimpulsgeber oder über Zählen von Ripple der Gegen-EMK des jeweiligen Motors erfolgen.Detecting the drive-specific values is done with the detection means by measuring the motor current across the voltage drop of a resistor in the motor line realized. The motor speed can be via incremental rotary encoder or by counting ripple the back EMF of the respective motor.

Eine Verstellposition wird über Potentiometer (Drehpotentiometer, Linearpotentiometer) und Kommunikation mit weiteren elektromotorischen Möbelantrieben 100, 100' ermittelt.An adjustment position is determined by potentiometer (rotary potentiometer, linear potentiometer) and communication with other electromotive furniture drives 100, 100 '.

Die Möbelanordnung 200 gemäß Fig. 3 wird durch einfaches Zusammenstellen bzw. Zusammenbauen erstellt. Die Bedienungseinheit 10 wird einem Zuweisungsvorgang unterzogen, bei welchem ein so genanntes Pairing stattfindet. Dabei werden die jeweiligen Bedienungselemente 12, 13 (Fig. 2) dem jeweiligen Möbel 1, 1' bzw. dem jeweiligen elektromotorischen Möbelantrieb 100, 100' zugewiesen.The furniture assembly 200 according to Fig. 3 is created by simple assembly. The operating unit 10 is subjected to an assignment process in which a so-called pairing takes place. In this case, the respective operating elements 12, 13 ( Fig. 2 ) the respective furniture 1, 1 'and the respective electromotive furniture drive 100, 100' assigned.

Jeder elektromotorische Möbelantrieb 100, 100' hat eine eigene Adresse

  • ▪ Die Adresse wird über einen Zufallsgenerator festgelegt, wobei es ca. 24 Mio. Möglichkeiten gibt.
  • ▪ Diese Adresse ist bevorzugt die Seriennummer des jeweiligen elektromotorischen Möbelantriebs 100, 100'
  • ▪ Eine automatische Vergabe der Adresse kann bei der Montage erfolgen.
  • ▪ Eine automatische Vergabe der Adresse kann auch bei der Erstinbetriebnahme vorgenommen werden.
Each electromotive furniture drive 100, 100 'has its own address
  • ▪ The address is determined by a random number generator, with about 24 million options.
  • ▪ This address is preferably the serial number of the respective electromotive furniture drive 100, 100 '
  • ▪ Automatic assignment of the address can be done during assembly.
  • ▪ An automatic assignment of the address can also be made during initial commissioning.

Die Bedienungseinheit 10, 10' arrangiert das Pairing

  • ▪ Es wird nach vorhandenen elektromotorischen Möbelantrieben 100, 100' gesucht. Dann erfolgt ein Synchronisieren mit allen gefundenen elektromotorischen Möbelantrieben 100, 100' (vgl. Schnurlostelefon und Anmelden an der Basisstation)
  • ▪ Ein Zuweisen des jeweiligen elektromotorischen Möbelantriebs 100, 100' zu der Tastenbelegung an der Bedienungseinheit 10, 10' erfolgt durch Tastenkombination der Bedienungseinheit 10, 10'
The operation unit 10, 10 'arranges the pairing
  • ▪ Searches for existing electromotive furniture drives 100, 100 '. Then synchronization takes place with all electromotive furniture drives 100, 100 'found (see cordless telephone and registering at the base station)
  • ▪ Assigning the respective electromotive furniture drive 100, 100 'to the key assignment on the operating unit 10, 10' is effected by key combination of the operating unit 10, 10 '.

Fig. 6 zeigt ein schematisches Flussdiagramm eines erfindungsgemäßen Verfahrens zum Parallelsteuern von zumindest zwei elektromotorischen Möbelantrieben 100, 100' einer Möbelanordnung 200. Fig. 6 shows a schematic flow diagram of a method according to the invention for parallel control of at least two electromotive furniture drives 100, 100 'of a furniture assembly 200th

In einem ersten Verfahrensschritt S1 werden die aktuellen Verstellpositionen der betriebenen Motoren der parallelgesteuerten Verstellantriebe 7, 7' erfasst.In a first method step S1, the current adjustment positions of the operated motors of the parallel-controlled adjusting drives 7, 7 'are detected.

Dann erfolgt in einem zweiten Verfahrensschritt S2 eine Kommunikation der Ist-Positionen zwischen den Steuereinrichtungen 9, 9', wobei diese untereinander verglichen werden.Then, in a second method step S2, the actual positions are communicated between the control devices 9, 9 ', these being compared with one another.

Ist ein Unterschied festgestellt worden, d.h. ein voreilender Antrieb erkannt, so wird in einem dritten Verfahrensschritt S3 der Motor dieses voreilenden Antriebs von der zugehörigen Steuereinrichtung 9, 9' gedrosselt, oder der andere Motor auf eine höhere Drehzahl beschleunigt.If a difference has been found, i. If a leading drive is detected, in a third method step S3, the motor of this leading drive is throttled by the associated control device 9, 9 ', or the other motor is accelerated to a higher speed.

In einer Alternative werden im zweiten Verfahrensschritt S2 die Ist-Positionen mit vorher festlegbaren Werten, z.B. Tabellenwerte, verglichen.In an alternative, in the second method step S2, the actual positions with predefinable values, e.g. Table values, compared.

Dann erfolgt im dritten Verfahrensschritt S3 ein Drosseln des voreilenden Motors oder ein Beschleunigen des jeweils nacheilenden Motors mit der Intensität eines vorher festgelegten Wertes, beispielsweise eines in der Tabelle hinterlegten Wertes.Then, in the third method step S3, a throttling of the leading motor or an acceleration of the respectively lagging motor with the intensity of a predetermined value, for example, a value stored in the table.

Die Erfindung ist nicht auf die oben beschriebenen Ausführungsbeispiele beschränkt. Sie ist im Rahmen der beigefügten Ansprüche modifizierbar.The invention is not limited to the embodiments described above. It is modifiable within the scope of the appended claims.

So ist es beispielsweise denkbar, dass bei einer Bedienungseinheit 10, 10' mit einer Anzahl Bedienungselemente 12, 13 für nur einen elektromotorischen Möbelantrieb 100, 100' eines der Zusatzbedienungselemente 15, 16, 17 (siehe Fig. 2) als Taste oder Schalter ausgebildet ist und für eine Umschaltung vorgesehen ist.Thus, it is conceivable, for example, that in the case of an operating unit 10, 10 'with a number of operating elements 12, 13 for only one electromotive furniture drive 100, 100' one of the additional operating elements 15, 16, 17 (see Fig. 2 ) is designed as a button or switch and is provided for switching.

In einer Alternative kann eine Bedienungseinheit 10, 10' mit einer Vielzahl von Bedienungselementen 12, 13 zur Bedienung aller elektromotorischen Möbelantriebe 100, 100' verwendet werden.In an alternative, an operating unit 10, 10 'with a plurality of operating elements 12, 13 for operating all electromotive furniture drives 100, 100' are used.

Zur Drosselung eines voreilenden Motors kann dieser kurz abgeschaltet werden.To throttle a leading motor this can be switched off briefly.

Es ist natürlich auch möglich, dass vorübergehend ein Vorwiderstand in die Motorleitung in Reihe zu dem zugehörigen Motor geschaltet wird. Dies ist dadurch möglich, dass dieser Vorwiderstand bei Betrieb z.B. durch einen Relaisschalter überbrückt ist, welcher zur Drosselung geöffnet wird.Of course, it is also possible that a series resistor is temporarily connected in the motor line in series with the associated motor. This is possible due to the fact that this series resistor can be used during operation, e.g. is bridged by a relay switch, which is opened for throttling.

Verstellweginformationen können durch Zählen von Ripple der Gegen-EMK des zugehörigen Motors erhalten werden.Travel information can be obtained by counting the ripple of the back EMF of the associated motor.

Es ist auch möglich, dass Hallsensoren, Potentiometer, Lichtschrankengeber verwendet werden. Natürlich können auch Endschalter längs des Verstellwegs an bestimmten Positionen angeordnet sein, welche eine Weginformation geben bzw. zur Korrektur eines Verstellwegwertes dienen können.It is also possible that Hall sensors, potentiometers, photocells are used. Of course, limit switches along the Verstellwegs to certain Positions can be arranged, which give a Weginformation or can serve to correct a Verstellwegwertes.

Wie eingangs beschrieben weisen die Steuereinrichtungen (9, 9') der elektromotorischen Möbelantriebe (100, 100') mit Detektionsmitteln zur Erfassung antriebsspezifischer Werte wie Motorstrom, Motorbetriebsspannung, Motordrehzahl oder dergleichen des elektrischen Motors des zumindest einen zugehörigen Verstellantriebs (7, 7'; 8, 8') auf bzw. sind damit verbunden. Alternative antriebsspezifische Werte sind der Verstellweg eines linear verfahrbaren Abtriebsgliedes eines Verstellantriebs oder (7, 7'; 8, 8') der Verstellwinkel eines rotierenden oder schwenkenden Abtriebsgliedes eines anderen hier nicht näher beschriebenen Verstellantriebes.As described above, the control devices (9, 9 ') of the electromotive furniture drives (100, 100') have detection means for detecting drive-specific values such as motor current, motor operating voltage, engine speed or the like of the electric motor of the at least one associated adjusting drive (7, 7 '; , 8 ') on or are connected to it. Alternative drive-specific values are the adjustment path of a linearly movable output member of an adjustment drive or (7, 7 ', 8, 8') the displacement angle of a rotating or pivoting output member of another adjustment drive not described in more detail here.

Ferner sieht eine alternative Ausführung eine Mehrzahl Bedienungseinheiten 10 vor, welche die Möbelanordnung 200 steuern. Gemäß einer anderen Alternative kann wenigstens ein Verstellantrieb 7, 7', 8, 8' eine Steuereinrichtung 9, 9' beinhalten, wobei Verstellantrieb 7, 7', 8, 8' und Steuereinrichtung 9, 9' ein gemeinsames Gehäuse aufweisen.Furthermore, an alternative embodiment provides a plurality of operating units 10 which control the furniture arrangement 200. According to another alternative, at least one adjusting drive 7, 7 ', 8, 8' may include a control device 9, 9 ', with adjusting drive 7, 7', 8, 8 'and control device 9, 9' having a common housing.

Bezugszeichenreference numeral

1, 1'1, 1 '
MöbelFurniture
2, 2'2, 2 '
Grundelementbasic element
3, 3'3, 3 '
Stützelementsupport element
4, 4'4, 4 '
Rückenteilback
5,5'5.5 '
Beinteilleg part
6,66.6
Bewegungsbeschlagmovement fitting
7, 7'; 8, 8'7, 7 '; 8, 8 '
Verstellantriebadjustment
9, 9'9, 9 '
Steuereinrichtungcontrol device
9a, 9'a; 9b, 9'b9a, 9'a; 9b, 9'b
Empfängerreceiver
10, 10'10, 10 '
Bedienungseinheitoperating unit
1111
Gehäusecasing
12, 1312, 13
Bedienungselementoperating element
1414
Meldeelementsignaling element
15, 16, 1715, 16, 17
ZusatzbedienungselementAdditional control element
1818
Bedienungsleitungoperating instruction
19, 19'19, 19 '
Steuerleitungcontrol line
2020
Verteilereinheitdistribution unit
21,2221.22
Übertragungsstrecketransmission path
23, 23'23, 23 '
Übertragungsstrecketransmission path
100, 100'100, 100 '
Elektromotorischer MöbelantriebElectromotive furniture drive
100a, 100'a100a, 100'a
Antriebsleitungdrive line
200200
Möbelanordnungfurniture arrangement
M, M'M, M '
Matratzemattress
S1...3S1 ... 3
Verfahrensschrittstep

Claims (12)

  1. A furniture arrangement (200), comprising at least two pieces of furniture (1,1') with one respective electromotive furniture drive (100, 100') for the adjustment of at least one movable part (4, 5) of each of the at least two pieces of furniture (1, 1'), wherein each electromotive furniture drive (100, 100') comprises
    a) at least one adjusting drive (7, 7'; 8, 8') with at least one respective electric motor, a revolution speed reducing gear mechanism which is coupled thereto and with which an output element is drivingly coupled and can be linearly displaced and/or rotatably moved, and
    b) at least one control device (9, 9'), wherein
    c) the furniture arrangement (200) comprises an operating unit (10, 10') for actuating all electric motors of the adjusting drives (7, 7'; 8, 8') of the electromotive furniture drives (100, 100'),
    characterized in that
    d) the control devices (9, 9') of the electromotive furniture drives (100, 100') are equipped with detection means for detecting drive-specific values of the at least one associated adjusting drive (7, 7'; 8, 8') and with at least one final control device for the variable setting of the operating voltage of the electric motor of the at least one associated adjusting drive (7, 7'; 8, 8') for parallel control of the at least one adjusting drive (7, 8) of the one electromotive furniture drive (100) and the at least one adjusting drive (7', 8') of the other electromotive furniture drive (100'), wherein
    f) the control devices (9, 9') are arranged for communication with the operating unit (10, 10') and among each other, or for communication among each other via the operating unit (10, 10') with at least one transmission link (21, 22, 23, 23a, 23').
  2. A furniture arrangement (200) according to claim 1, characterized in that the at least one transmission link (23, 23a, 23') is arranged in a bidirectional manner.
  3. A furniture arrangement (200) according to claim 2, characterized in that at least one control device (9, 9') is arranged according to the detected drive-specific values for the transmission of corresponding signals via the at least one transmission link (21, 22, 23, 23a, 23').
  4. A furniture arrangement (200) according to claim 3, characterized in that each further control device (9, 9') and the operating unit (10, 10') is arranged for receiving corresponding signals transmitted by the at least one control device (9, 9').
  5. A furniture arrangement (200) according to claim 4, characterized in that at least one control device (9, 9') comprises a program for the variable setting of the operating voltage of the at least one electric motor of the at least one adjusting drive (7, 8).
  6. A furniture arrangement (200) according to one of the preceding claims, characterized in that the final control device for the variable setting of the operating voltage of the electric motor of the at least one associated adjusting drive (7, 7'; 8, 8') is arranged with a PWM control unit and/or at least one switchable electric series resistor connected in series with the electric motor.
  7. A furniture arrangement (200) according to one of the preceding claims, characterized in that the at least one control device (9, 9') of the one of the electromotive drives (100, 100') is coupled via a transmission link (21, 22) to the at least one control device (9, 9') of the other one of the electromotive drives (100, 100').
  8. A furniture arrangement (200) according to one of the preceding claims, characterized in that the transmission links (21, 22, 23, 23a, 23') are arranged in a wireless and/or wire-bound way.
  9. A method for the parallel control of at least two electromotive furniture drives (100, 100') of a furniture arrangement (200) according to one of the preceding claims, characterized by the method steps:
    (S1) detection of current adjusting positions of the operated motors of the adjusting drives (7, 7'; 8, 8') to be controlled in parallel;
    (S2) communication of the current actual positions of the operating motors of the adjusting drives (7, 7'; 8, 8') to be controlled in parallel between the control devices (9, 9') and comparison of said current actual positions, and
    (S3) parallel control of the operated motors of the adjusting drives (7, 7'; 8, 8') to be controlled in parallel by throttling a recognized advancing motor of the adjusting drives (7, 7'; 8, 8') to be controlled in parallel, or acceleration of the trailing motor to a higher speed.
  10. A method according to claim 9, characterized in that the actual positions are compared in the second method step (S2) with previously determinable values such as values in a table.
  11. A method according to claim 10, characterized in that a throttling of the advancing motor or an acceleration of the respectively trailing motor occurs in the third method step (S3) with the intensity of a previously determinable value, e.g. a value stored in the table.
  12. A method according to one of the claims 9 to 11, characterized in that the communication occurs in the second method step (S2) between the control devices (9, 9') and the operating unit (10, 10') or between one of the control devices (9, 9') and the operating unit (10, 10').
EP13708756.5A 2012-02-28 2013-02-28 Furniture arrangement and method for the parallel control of at least two electromotive furniture drives of a furniture arrangement Active EP2819548B1 (en)

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DE102012101623 2012-02-28
PCT/EP2013/054086 WO2013127950A1 (en) 2012-02-28 2013-02-28 Furniture arrangement and method for the parallel control of at least two electromotive furniture drives of a furniture arrangement

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EP (1) EP2819548B1 (en)
CN (1) CN104302211B (en)
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US20150035457A1 (en) 2015-02-05
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CN104302211A (en) 2015-01-21
EP2819548A1 (en) 2015-01-07
CN104302211B (en) 2016-11-16

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