EP4601509A1 - Anordnung umfassend ein feststehendes möbelteil, ein bewegbares möbelteil und eine führungsvorrichtung - Google Patents
Anordnung umfassend ein feststehendes möbelteil, ein bewegbares möbelteil und eine führungsvorrichtungInfo
- Publication number
- EP4601509A1 EP4601509A1 EP23825199.5A EP23825199A EP4601509A1 EP 4601509 A1 EP4601509 A1 EP 4601509A1 EP 23825199 A EP23825199 A EP 23825199A EP 4601509 A1 EP4601509 A1 EP 4601509A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- furniture part
- movable furniture
- electric drive
- drive device
- relative
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
- A47B88/40—Sliding drawers; Slides or guides therefor
- A47B88/453—Actuated drawers
- A47B88/457—Actuated drawers operated by electrically-powered actuation means
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/44—Sensors not directly associated with the wing movement
Definitions
- Arrangement comprising a fixed furniture part, a movable furniture part and a guide device
- the invention relates to an arrangement comprising a fixed furniture part, in particular a furniture body, a furniture part that is movable relative to the fixed furniture part, in particular a drawer, and a guide device, in particular a drawer pull-out guide, for guiding the movable furniture part relative to the fixed furniture part, wherein the movable furniture part is movable along the guide device relative to the fixed furniture part over a distance, preferably in a translational manner, wherein at least one electric drive device comprising at least one electric motor is provided for the at least partially automated movement of the movable furniture part relative to the fixed furniture part.
- the invention also relates to a distance measuring device for such an arrangement, an electric drive device for such an arrangement and a method for moving a movable furniture part.
- the invention also relates to a computer program product.
- An arrangement with a movable furniture part is already known from the document EP 1 323 364 A1, in which a drawer is moved by means of a drive unit controlled by a triggering device.
- the triggering device comprises two manually operable pushbutton switches - for example a drag switch - arranged on the drawer for three different switching states.
- the triggering device can be initiated depending on a relative position of furniture part components or by tapping a furniture part component in order to generate a switching pulse.
- An arrangement with a movable furniture part is also already known from the document EP 1 323 363 A1, in which a drive unit is controlled by a control device and a force measuring device in order to automatically support a movement desired by the user of a drawer in a bidirectional manner.
- a position measuring device can be present which generates a position signal by means of which a current actual position, actual speed and actual acceleration can be calculated as a function of the measured position.
- Target values can also be determined so that essentially the same amount of force can be generated with varying loads in the drawer.
- a disadvantage of the state of the art is that in the event of a power failure or other malfunction, a reference run of the movable furniture part is necessary in order to be able to determine a position of the movable furniture part so that it can be properly driven in the direction of the opening position or the closing position.
- the objective technical task of the present invention is therefore to provide an arrangement which is improved compared to the prior art, as well as a position measuring device, a drive device, a method and a computer program product in which the disadvantages of the prior art are at least partially eliminated and which are characterized in particular by a particularly interference-resistant operation.
- At least one path measuring device is provided for determining a position of the movable furniture part relative to the fixed furniture part, wherein the position in the form of an absolute path covered by the movable furniture part relative to the fixed furniture part can be determined by the at least one path measuring device, preferably unambiguously, for determining a position of the movable furniture part along the path of the guide device for the at least one electric drive device.
- the at least one path measuring device can be designed to detect the absolute path traveled over the entire path, preferably between the completely closed position and the completely open position, and/or at least over a path of movement for the movable furniture part along the path mediated by the at least one electric drive device.
- the at least one electric drive device is activated as a function of the detection of the absolute distance covered by the movable furniture part via the at least one distance measuring device.
- the at least one distance measuring device is coupled - optionally mechanically - to the at least one electric drive device.
- the absolute distance travelled can be clearly calculated without a reference run, which ensures correct operation and, in particular, a drive that is coordinated with the position.
- the specific position can be used to ensure correct detection of whether the movable furniture part is to be subjected to force by the electric drive device in the direction of the closed position or the open position.
- the position and, if applicable, a determined speed can be used to determine whether the user of the movable furniture part wants to move the movable furniture part in a free-running area or wants a drive in the closing or opening direction.
- a speed profile to be transmitted to the movable furniture part can be adjusted so that an individual speed can be individually transmitted for each position along the guide device.
- the position can provide additional information as to whether the movable furniture part should be freely movable in the freewheel area (possibly bidirectional) or driven via the electric drive device (in the closing or opening direction), as well as the extent to which the force should be applied or the speed profile with which the movable furniture part should be moved.
- protection is also sought for a position measuring device for such an arrangement, wherein the position measuring device is designed to determine a position of the movable furniture part relative to the fixed furniture part, wherein the position can be determined, preferably unambiguously, in the form of an absolute path traveled by the movable furniture part relative to the fixed furniture part by the position measuring device.
- protection is also sought for an electric drive device for such an arrangement, wherein the electric drive device comprises at least one electric motor for at least partially automated movement of the movable furniture part relative to the fixed furniture part, wherein at least one such displacement measuring device is arranged on the electric drive device.
- protection is also sought for a method for moving a movable furniture part, in particular a drawer, relative to a fixed furniture part, in particular a furniture body, at least in regions along a path of the movable furniture part between a closed position and an open position of the movable furniture part by means of at least one electric drive device, in particular such an electric drive device, and at least one path measuring device, in particular such a path measuring device, wherein the following method steps are carried out, in particular in chronological order:
- a position of the movable furniture part relative to the fixed furniture part is determined, preferably unambiguously, as the absolute distance travelled by the movable furniture part relative to the fixed furniture part via the at least one distance measuring device
- the movable furniture part is moved by the at least one electric drive device between the closed position and the open position along a guide device, preferably a drawer pull-out guide, at least over a partial region of the path depending on the absolute path determined by the at least one path measuring device, preferably translationally.
- a guide device preferably a drawer pull-out guide
- protection is also sought for a computer program product comprising instructions which, when executed by a computing unit, cause the latter to carry out such a method from a memory unit which is in a data connection with the computing unit or can be brought into such a connection, for example by controlling an electric drive device for execution.
- Fig. 1a, 1b a guide device of a piece of furniture driven by an electric drive device according to a preferred embodiment in a perspective view with an enlarged detailed view in the area of the electric drive device,
- Fig. 2-4 the guide device according to the embodiment of Fig. 1b in perspective view with enlarged detail representations in the area of a connection of a rack to a drawer rail,
- Fig. 5 shows the guide device according to the embodiment of Fig. 1b in a view from above with an enlarged detail in the area of a coupling between the rack and a gear of the electric drive device
- Fig. 6 shows the guide device according to the embodiment of Fig. 1b in a view from below with an enlarged Detailed view in the area of a connection of the electric drive device to a carcass rail
- Fig. 7a, 7b the electric drive device according to the embodiment according to Fig. 1b with a carrier for coupling to the carcass rail in a view from above and a perspective view
- Fig. 8a, 8b the electric drive device according to the embodiment of Fig. 1b with dismantled housing in two perspective views from a front and a rear side
- Fig. 9, 10 a position measuring device of the electric drive device according to the embodiment of Fig. 1b in an exploded view and in a view from above with enlarged detail in the area of position sensors,
- Fig. 11, 12 the electric drive device according to Fig. 8a in perspective view with enlarged detail in the area of a protective body in the housing for protecting a gear against abrasion from a belt and a belt drive with belt tensioners on both sides,
- Fig. 13a, 13b show a gear arrangement of the electric drive device according to the embodiment of Fig. 1b in two perspective views
- Fig. 14a, 14b show a freewheel clutch of the electric drive device according to the embodiment of Fig. 1b in a plan view and a perspective view
- Fig. 15 shows a guide device according to a further preferred embodiment with an electric drive device arranged on one side in a perspective view
- Fig. 16 is a diagram illustrating a unique position measurement or absolute path measurement for a movable furniture part along a guide device by a position measuring device according to the embodiment of Fig. 9 via sensor angle over extension lengths.
- Fig. 1a shows a piece of furniture with movable furniture parts 2 in the form of drawers, which can be moved relative to a fixed furniture part 1 in the form of a furniture body via a guide device 3 in the form of a drawer pull-out guide by an electric drive device 6.
- the furniture is not limited to drawers and can generally comprise other containers.
- the furniture can be a furniture body with a flap, a cupboard with a folding and/or sliding door or the like.
- Fig. 1b shows the furniture with a hidden movable furniture part 2 in an arrangement comprising the fixed furniture part 1, the furniture part 2 movable relative to the fixed furniture part 1 and two guide devices 3 for guiding the movable furniture part 2 relative to the fixed furniture part 1.
- the arrangement comprises an electric drive device 6 for at least partially automated movement of the movable furniture part 2 relative to the fixed furniture part 1 comprising an electric motor 7 that can be supplied with 230 V.
- the energy supply for the electric motor 7 is generally arbitrary and can also be operated with different voltages. In general, a voltage can also be lower - particularly due to local or regional power grid characteristics - in order to supply the electric motor 7 with sufficient energy.
- the guide devices 3 each comprise a body rail 4 arranged on the fixed furniture part 1 and a drawer rail 5 arranged on the movable furniture part 2.
- a middle rail can be arranged at least in some areas between the body rail 4 and the drawer rail 5, but this is generally not necessary - in particular for a full extension of the movable furniture part 2 due to the front-side arrangement of the electric drive device 6 and the connection to a rack 9.
- the drawer rail 5 comprises a first interface 34 (optionally a plurality of first interfaces 34) which is suitable for fixing an ejection device 11 and a closing device 8 to the drawer rail 5.
- a closing device 8 is arranged at the first interface 34, which is generally not required.
- an ejection device 11 - in particular a mechanical or electrical one - can be arranged at the first interface 34.
- the ejection device 11 preferably comprises a tip-on function, with which an ejection process can be triggered by an overpressing movement.
- the electric drive device 6 In the closed position, the electric drive device 6 is arranged flush with the drawer rail 5 or the rack 9.
- the rack 9 can compensate for any loss of extension caused by the fastening of the cabinet rail and/or by the use of a specific trigger sensor type.
- the electric drive device 6 is arranged substantially flush with the free end 24 of the body rail 4 both in the closed position and in the open position 30.
- the fixed furniture part 1 comprises two furniture panels 64 oriented vertically and parallel to one another in the position of use 14, with exactly one electric drive device 6 being stationary on one of the two furniture panels 64 indirectly via the body rail
- the movable furniture part 2 comprises, in the use position 14 of the arrangement, a furniture part front 23, wherein the electric drive device 6 is mounted on the body rail 4 in the region of a free end 24 of the body rail 4 facing the furniture part front 23 (essentially flush with the free end 24 or the drawer rail
- the rack 9 is detachably arranged on a support device 10 and the support device 10 is detachably arranged on the closing device 8.
- the detachable connection of the carrier device 10 means a connection that can be released without force, preferably without tools.
- the support device 10 is arranged in the horizontal direction 16 between the rack 9 and the closing device 8, wherein in general a rack 9 pointing downwards in the vertical direction 15 can also be provided.
- the support device 10 or the closing device 8 can comprise a mechanical or electrical ejection device 11, wherein a damping device 12 in the closing device 8 for dampening a movement of the movable furniture part 2 in a region of the closed position.
- the stationary electric drive device 6 is in constant connection to the rack 9 for transmitting motion over the entire path 13 along the guide device 3, wherein the electric drive device 6 comprises a gear 17 meshing with the rack 9 in connection with the electric motor 7.
- the rack 9 is arranged laterally between the electric drive device 6 and the drawer rail 5 over the entire path 13.
- exactly one electric drive device 6 is provided on one of the two body rails 4 of the guide devices 3 and exactly one rack 9 is provided on one of the two drawer rails 5 of the guide devices 3, whereby in general two electric drive devices 6 can also be used on both body rails 4.
- the electric drive device 6 or any other power sink that may be present - such as the lighting means 31 in Fig. 6 - is supplied with power via the body rail 4, whereby the power supply can alternatively or additionally be routed via the rack 9.
- the power supply can be routed between the two body rails 4 of the two guide devices 3 provided in order to supply a further trigger sensor 65 with power, for example.
- a separate power supply for each body rail 4 (or rack 9) is also possible.
- a toothing 18 of the rack 9 is oriented in the horizontal direction 16 in a direction pointing away from the drawer rail 5, whereby in general an orientation in the vertical direction 15 downwards is also possible.
- the rack 9 is coupled to the gear 17 of the electric drive device 6, wherein the rack 9 (via a connection to the carrier device 10 or by the connection of the carrier device 10) is bendable in the horizontal direction 16 relative to the drawer rail 5 (pivoting is also conceivable) and is thus mounted for limited lateral movement.
- the rack 9 could also be mounted for limited movement in the vertical direction 15 (away from the gear 17) in the case of vertical toothing 18.
- the rack 9 can be preloaded in the direction of the gear 17 by a spring or by its own elasticity in order to ensure a positive connection to the electric drive device 6 during operation.
- the rack 9 is designed to be flexible in order to be able to ensure a safe, harmonious and continuous transmission of movement through elastic deformation.
- the detachable connection - in particular the double detachable connection - can be used to create an overload clutch via the components involved, which means that an overload clutch 68 of the electric drive unit 6 can be dispensed with.
- an overload clutch 68 of the electric drive unit 6 can be dispensed with.
- a tolerance in the interaction between the gear 17 and the rack 9 caused by the load can prevent a complete decoupling between the electrical drive device 6 and the rack 9 - without losing the effect of an overload clutch, whereby the position of the drawer rail 5 relative to the body rail 4 can be clearly determined via the relative position between the rack 9 and the gear 17.
- Decoupling from the electric motor 7 is not necessary and can be generated, for example, via a freewheel clutch 29.
- a required reference run can be prevented, with the carrier device 10 acting as a coupling device.
- Fig. 4 shows the guide device 3 with an enlarged detail of the drawer rail 5 in the area of a coupling device on the rear side of the furniture part for the movable furniture part 2.
- the drawer rail 5 comprises a bearing device 21 for the rack 9, wherein the bearing device 21 is arranged on the drawer rail 5 and the rack 9, wherein a carrier 22 of the electric drive device 6 for connecting the electric drive device 6 to the carcass rail 4 can be traversed by the rack 9 and the bearing device 21 in the course of a relative movement between the drawer rail 5 and the carcass rail 4.
- Fig. 5 shows the guide device 3, wherein the coupling between a gear 17 of the electric drive device 6, which is in operative connection with the electric motor 7, and a toothing 18 of the rack 9 is shown in an enlarged detail.
- the electric motor 7 (or the electric drive device 6 ) comprises, in the coupling with gear stages 55 of the electric drive device 6, a gear 17 meshing with the rack 9.
- the gear wheel 17 is oriented in the horizontal direction 16 in the direction of the drawer rail 5, whereby a gear wheel 17 of the electric drive device 6 oriented upwards in the vertical direction 15 is also possible.
- the rack 9 is arranged between the electric drive device 6 and the drawer rail 5.
- the guide device 3 is in the closed position, whereby a movable furniture part 2 arranged on the drawer rail 5 would be located in an end position.
- the electric drive device is controlled by a microcontroller 37, which functions as a control and/or regulating device 44 and acts as a computing unit.
- An exemplary computing unit-supported method for moving the movable furniture part 2 relative to the fixed furniture part 1 along the guide device 3 by the electric drive device 6 for at least partially automated movement of the movable furniture part 2 relative to the fixed furniture part 1 via an electric motor 17 can be implemented as follows:
- the microcontroller 37 comprising the computing unit and a storage unit in data connection with the computing unit, determines a model of the movable furniture part 2 depending on at least one static data set stored in the storage unit, the movable furniture part 2 is moved manually in the direction of the closed position or vice versa and the microcontroller
- the static data set can include, for example, a mass of the movable furniture part 2, a friction of the movable furniture part 2 on the guide device 3, a dimensioning of the movable furniture part 2, a load in the movable furniture part 2, a dimensioning of the guide device 3, a path 13 along the guide device 3, tolerance limits, etc.
- the path 13 can generally be determined by an extension path for the movable furniture part 2 or a longitudinal extension of the rack 9, over which at least a partial drive is carried out by the electric drive device 6 via an automated control.
- a drive over the path 13 is possible; a drive over partial areas of the path 13 is preferred.
- the dynamic data set can, for example, include an absolute path traveled by the movable furniture part 2 relative to the stationary furniture part 1, a speed of the movable furniture part 2, a load in the movable furniture part 2, an acceleration profile of the movable furniture part 2 (generally determined via a speed measuring device 52), an acceleration path of the movable furniture part 2, a kinetic energy of the movable furniture part 2, etc.
- the static data set or the dynamic data set can be created in a reference run of the movable furniture part 2 or over a large number of reference runs - if necessary with varying loads of the movable furniture part 2 - can be determined.
- the microcontroller 37 makes a decision as to whether the electric drive device 6 should apply force to the movable furniture part 2 or whether the movable furniture part 2 should be manually movable in a freewheeling area.
- the electric motor 7 comprises a freewheel clutch 29, with which a power transmission from the electric motor 7 to the movable furniture part 2 is separated in the freewheeling area.
- a movement of the movable furniture part 2 in the direction of the closed position or the open position 30 can be dampened, braked or blocked via the electric drive device 6, wherein the movable furniture part 2 in the area of the Closed position by a closing device 8 with force in
- a closing device 8 is not absolutely necessary, and the closing device 8 can be replaced, for example, by the electric drive device 6.
- An algorithm or a computer program product comprising instructions for carrying out the method can be stored in the microcontroller 37 or the control and/or regulating device 44, transmitted on a data carrier signal or stored on a - in particular non-volatile - data carrier.
- the computing unit of the microcontroller 37 or of the control and/or regulating device 44 is configured to determine a model of the movable furniture part 2 depending on the at least one static data set stored in the memory unit and to calculate a predicted movement trajectory of the movable furniture part 2 along the guide device 3 depending on the at least one dynamic data set - possibly stored in the memory unit.
- the electric drive device 6 comprises the computing unit.
- the storage unit has sufficient storage capacity to provide the information required for the model.
- the computing unit has sufficient computing power to calculate the model with the accuracy required for use in the furniture industry in relation to a speed profile to be transferred to the movable furniture part 2.
- the storage capacity and the computing power can be adapted depending on a desired precision of the model or a desired accuracy of an output parameter to be generated from the model, such as the speed profile.
- the speed profile preferably includes an amplitude of the acceleration, a path of the acceleration, the path 13 or a portion of the path 13 over which the movable furniture part 2 is to be subjected to speed or is to be driven, a maximum speed and the like.
- a current load of the movable furniture part 2 or a pulse transmission (discrete or continuous) by the operator of the movable furniture part 2 can be used as a dynamic parameter.
- the microcontroller 37 can be understood as a control and/or regulating device 44 or can comprise such a computing unit.
- a lighting means 31 is in the form of a lamp 38 - designed as an LED lamp - and is partially integrated in the housing 47 of the electric drive device 6.
- a further lighting means 31 is in the form of a strip-like lighting means 40 - designed as an LED strip - and is arranged directly on the electric drive device 6.
- the dotted line indicates that the further lighting means 31 can also be in the form of a flat lighting means 39 - here provided as an LED surface.
- the further lighting means 31 can also be arranged indirectly on the electric drive device 6 - for example by connecting a power line 32 (not shown for reasons of clarity) to the power line 32 of the electric drive device 6.
- the lighting means 31 are oriented on a bottom side of the electric drive device 6 in such a way that the other movable furniture parts 42 can be illuminated by the lighting means 31, wherein the lighting means 31 are arranged on the electric drive device 6 of the first movable furniture part 41.
- the lighting means 31 can However, in general, alternatively or additionally, they can be arranged on the electric drive device 6 or the power line 32 of the electric drive device 6 of the first movable furniture part 41 in such a way that the first movable furniture part 41 can be illuminated by the lighting means 31.
- a distance measuring device 33 which can be used as an alternative or in addition to the schematically indicated motion sensor 43 in order to detect a relative position - such as a complete or partial opening position 30 of the movable furniture part 2 relative to the fixed furniture part 1.
- the lighting means 31 can be activated depending on the determined relative position by a control and/or regulating device 44 or a microcontroller 37.
- the distance measuring device 33 and the motion sensor 43 are arranged on the electric drive device 6 and coupled to the power line 32 of the electric drive device 6 and to the lighting means 31.
- the distance sensor 50 (see Fig. 1b) can be used as an alternative or in addition to the distance measuring device 33 or the motion sensor 43 to determine the relative position for triggering the lighting means 31.
- the number of lighting means 31 is generally arbitrary.
- the electric drive device 6 is arranged stationary on one of the two body rails 4 and the rack 9 is arranged on the drawer rail 5 of the guide device 3 for the continuous transmission of movement from a gear 17 of the electric drive device 6 to the drawer rail 5.
- the electric drive device 6 and the power line 32 for the electric drive device 6 and for the lighting means 31 are arranged stationary on the guide device 3 - on the body rail 4.
- the movable furniture part 2 can be subjected to force via the electric drive device 6 via a control and/or regulating device 44 or a microcontroller 37, so that the connection to the body rail 4 requires a double function.
- the electric drive device 6 is designed to move the movable furniture part 2 at least in some areas relative to the fixed furniture part 1, wherein the electric drive device 6 comprises the lighting means 31 arranged on the electric drive device 6 or the power line 32 of the electric drive device 6.
- the further movable furniture part 42 is illuminated by the lighting means 31 as a function of a movement of the first movable furniture part 41, the lighting means 31 remaining stationary on the electrical drive device 6 of the first movable furniture part 41.
- the relative position of the further movable furniture part 42 can be detected, the lighting means 31 being activated as a function of the determined relative position via a control and/or regulating device 44 or the microcontroller 37.
- an algorithm or a computer program product can be stored in the control and/or regulating device 44 or the microcontroller 37, which algorithm or computer program product comprises commands which, when executed by a computing unit, cause the latter to carry out the method from a memory unit which has a data connection with the computing unit.
- an illumination means 31 can alternatively or additionally emit light in the infrared range for heating or light in the UV wavelength range - in particular UVC wavelength range - for sterilization or disinfection.
- This allows stored goods or a surface to be freed from unwanted microorganisms or an interior of the movable furniture part 2 to be regulated to a desired temperature in order to, for example, heat food - in particular in Combination with a vacuum drawer and, if necessary, adjustable - to be able to irradiate with varying intensity or adjustable wavelength range.
- Positioning on a stationary electric drive device 6 above the storage space is particularly suitable for this.
- a locking device dependent on activation of the lighting means 31 is also conceivable.
- an energy supply by introducing electricity into the movable furniture part 2 is complex and inconvenient, since the movement of the movable furniture part 2 must be taken into account.
- lighting the movable furniture part 2 has the advantage of being able to clearly identify stored goods in the movable furniture part 2 - particularly in poor lighting conditions or at night.
- an electric drive device 6 arranged in a fixed position on the body rail 4, the introduction of electricity via the body rail 4 can also be used in a dual function to use energy for supplying the lighting means 31 in a particularly advantageous manner.
- Fig. 7a shows an electric drive device 6 with the electric motor 7 that can be supplied with 230 V, the electric drive device 6 comprising a plate-shaped carrier 22 for arrangement on the body rail 4 of the guide device 3, the carrier 22 comprising an inclined surface 72 which is such that the electric drive device 6 can be mounted on a body rail 4 arranged on the fixed furniture part 1 in the assembled state (cf. Fig. 6 in conjunction with Fig. 1b) in a collision-free manner via a pivoting process.
- the electric drive device 6 has a longitudinal direction 27 and the inclined surface 72 of the carrier 22 is in a pointed Angle between 5 ° and 30 ° relative to the longitudinal direction 27 .
- the electric drive device 6 comprises two coupling devices 74 on the carrier 22 for connection to a second interface 35 of the body rail 4, whereby one coupling device 74 is generally sufficient.
- a coupling device 74 is in the form of a hook 75 punched out of a sheet metal and bent, whereby a further hook 76 is provided on the carrier 22 as a counter bearing for the connection of the electric drive device 6 to the body rail 4.
- a driver 36 for the closing device 8 or an ejection device 11 (optionally with tip-on
- the further hook 76 can be used as a second interface 35.
- a further coupling device 74 is present (analogous to the two coupling devices 74 as hook/further hook 75, 76) as a clip connection 71.
- the further coupling device 74 is designed as a locking hump 81.
- the electric drive device 6 can be attached to the body rail 4 in a translatory manner via the locking hump 81 and the carrier 22 and can be securely fixed to the body rail 4 via the two hooks in a pivoting process, whereby in general a secure fixation can already be achieved via the locking hump 81.
- the locking projection 81 can be elastically adjusted during assembly due to a recess in the material provided at the side. a corresponding recess for fixing. Between the hooks 75, 76 an extension can be seen which acts as a rotation axis for a rotational movement after translational contact.
- fixing can also be provided, for example, by a snap-in web via a purely translational movement in the sense of a clip connection.
- the coupling device 72 in the form of the hook 75 overlaps with an opening 77 in the carrier 22.
- the opening 77 has a dual function in connection with a manufacturing process of the carrier 22, since the opening 77 can be used, for example, as a holding device (for example for handling or coating) in production.
- the opening 77 can generally be arranged alternatively or in addition to the body rail 4, whereby the dual function in relation to the connection and the manufacturing process can also be used here.
- the hook 75 protrudes through the opening 77 in the carrier 22 (or the body rail 4).
- the electric drive device 6 can generally be arranged indirectly via the carrier 22 on the body rail 4.
- the carrier 22 can be designed in several parts.
- the hook 75 or the locking hump 81 can generally be arranged as a kinematic reversal on the body rail 4.
- the opening 77 or a multi-part structure of the carrier 22 is generally not required.
- a further movement technology can be connected to the hook 74.
- An exemplary method for retrofitting the electric drive device 6 to the guide device 3 in the installed state of the guide device 3 can be explained as follows:
- the electric drive device 6 for the at least partially automated movement of the movable furniture part 2 is provided and the guide device 3 is mounted on the fixed furniture part 1 (see Fig. 1a) for guiding the movable furniture part 2 relative to the fixed furniture part 1, wherein, if necessary, an ejection device 11, a closing device 8, a driver 36 for the ejection device 11 or a driver 36 for the closing device 8 is removed from the guide device 3.
- the electric drive device 6 is then arranged essentially completely (if necessary with the furniture part front 23 projecting downwards) below the movable furniture part 2 to be moved at the second interface 35 of the body rail 4 and the rack 9 is arranged at the first interface 34 of the drawer rail 5 for transmitting power from the electric drive device 6 to the drawer rail 5.
- a locking device 69 (indicated schematically in dotted lines) for blocking a movement of the movable furniture part 2 relative to the fixed furniture part 1 and a driver 36 for an ejection device 11 can be arranged at the second interface 35.
- the driver 36 for the closing device 8 provided in this embodiment is indicated in dotted lines at the second interface.
- the inclined surface 72 reduces the risk of a collision with the fixed furniture part 1 or the body rail 4 during the assembly of the electric drive device 6 on the body rail 4, whereby the electric drive device 6 can be connected as an add-on to existing guide devices 3.
- the rack 9 (or equivalents) can also can be subsequently coupled to the drawer rail 9 to transmit movement from the electric drive device 6 to the movable furniture part 2.
- the interfaces 34, 35 in conjunction with the components to be arranged thereon therefore comprise a multifunction - on the one hand to ensure user-friendly retrofitting and on the other hand to connect a large number of flexibly exchangeable and varying movement technologies. Multiple interfaces for a large number of movement technologies can thus be avoided, with individual movement technologies being able to be connected as add-ons in an assembly-friendly manner. Additional installation space for the arrangement of the electric drive device 6 does not have to be provided, which also facilitates the energy supply for the movable furniture part 2 and sufficient movement transmission to the movable furniture part 2.
- Fig. 7b differs from Fig. 7a only in that the electric drive device 6 is shown in a perspective view.
- the electric motor 7 is arranged within a housing 47 with a thickness 67 in the vertical direction 15 in the use position 14 of the arrangement of less than 100 mm. It is possible to achieve thicknesses 67 of less than 80 mm.
- the thickness 67 is preferably less than 60 mm (and less than 40 mm is also conceivable), so that in conventional furniture a furniture part front 23 protrudes below the underside of the electric drive device 6.
- Fig. 8a shows that the electric motor 7 of the electric drive device 6 is in the form of a brushless external rotor motor 66, although in general brushed external rotor motors 66, disc rotor motors or rod motors can also be provided. External rotor motors and disc rotor motors have a particularly flat design and are therefore preferred.
- the electric motor 7 is connected to a plurality of gear stages 55 with gear wheels 17 for driving the movable furniture part 2.
- a thickness 67 can be further reduced and the other dimensions can also be made compact.
- Fig. 8b differs from Fig. 8 only in that the components of the electric drive device 6 that are operatively connected to the electric motor 7 are viewed from a different angle.
- the electric drive device 6 comprises a data interface 63 for the wired transmission of at least one digital data set stored in a storage unit, wherein the data interface 63 can generally be designed as an alternative or in addition to the radio signal-transmitting transmission of the digital data set.
- the electric drive device 6 comprises a trigger sensor 59 for activating the electric motor 7 for a closed position of the movable furniture part 2, wherein the electric drive device 6 has a housing 47 which is dismantled in the illustration and the trigger sensor 59 is arranged on the housing 47 for contacting the movable furniture part 2 in the use position 14 of the electric drive device 6.
- the trigger sensor 59 comprises a plunger 60 and a microswitch 61, which can be triggered tactilely and electronically via the microswitch 61.
- a trigger sensor 59 that can be operated exclusively electronically can be provided alternatively or in addition.
- Fig. 9 shows a distance measuring device 33 for the arrangement, wherein the distance measuring device 33 is designed to determine a position of the movable furniture part 2 relative to the fixed furniture part 1 and the position in the form of an absolute distance traveled by the movable furniture part 2 relative to the fixed furniture part 1 can be clearly determined by the distance measuring device 33.
- the electric drive device 6 comprises an electric motor 7 that can be supplied with 230 V for at least partially automated movement of the movable furniture part 2 relative to the fixed furniture part 1, wherein the position measuring device 33 is arranged on the electric drive device 6 or represents an integral part of the drive device 6 in interaction with the electric motor 7 and is integrated in the housing 47 of the electric drive device 6.
- the movable furniture part 2 can be moved translationally along the guide device 3 relative to the fixed furniture part 1 over the path 13 between the closed position and the open position 30 and can be driven over the entire path 13 by the electric drive device 6.
- the path measuring device 33 is provided for determining a position of the movable furniture part 2 relative to the fixed furniture part 1, wherein a relative position can be clearly determined via the path measuring device 33.
- the position measuring device 33 comprises potentiometers 49 in the form of rotary potentiometers for determining the position, with Hall sensors (magnet in conjunction with Hall electronics) having proven to be particularly advantageous in the underlying electronics.
- a distance sensor 50 for example a distance laser - can be provided.
- the distance sensor 50 can generally also be located spatially spaced from the electric drive device 6.
- the position measuring device 33 is arranged on the electric drive device 6.
- the absolute path is determined starting from a predefined reference position, wherein the reference position is in the form of a relative position between the movable furniture part 2 and the fixed furniture part 1 - in this embodiment given as a stop 51 for the detection of an end position of the movable furniture part 2 - or a reference position of the electric drive device 6 - in this embodiment given as a starting position of the gears 17 in connection with the electric motor 7.
- a speed measuring device 52 in the form of a potentiometer 49 arranged on the electric motor 7 or integrated in a control and/or regulating device 44 or a Microcontroller 35 is provided.
- Speed measuring device 52 is used to determine a speed of the movable furniture part 2 relative to the fixed furniture part 1, wherein the movable furniture part 2 can be driven by the electric drive device 6 with a speed profile adapted to the determined speed of the movable furniture part 2 and/or the determined absolute path.
- the control and/or regulating device 44 or the microcontroller 37 can be used to activate the electric motor 7 at a predefined speed determined by the speed measuring device 52 or at a predefined absolute distance determined by the at least one distance measuring device 33.
- the position in the form of the absolute distance traveled is stored as a dynamic data set and the speed as a dynamic data set for simulating the model via the computing unit of the microcontroller 37 or the control and/or regulation unit 44, at least temporarily in the storage unit.
- the position measuring device 33 comprises a first position sensor 53 in the form of a sensor wheel designed as a gear 17 and a further position sensor 54 in the form of a further sensor wheel designed as a gear 17, wherein the absolute path can be clearly determined via a relative rotational position of the position sensors 53, 54.
- the first position sensor 53 and the further position sensor 54 are in the form of gear stages 55 of the electric drive device 6, whereby these gear stages 55 are not required for a transmission of the drive from the electric motor 7 to the drawer rail 5; for this purpose, further Gear stages 55 are used.
- a transmission ratio in the range between 1.01:1 and 1.2:1 that can be used for the position measuring device 33 can be transmitted via the first sensor wheel.
- a transmission ratio in the range between 1.2:1 and 2.3:1 can be transmitted between the first sensor wheel and the further sensor wheel, and a transmission ratio in the range between 1.5:1 and 2:1 can be transmitted via the first sensor wheel and the further sensor wheel.
- the sensor wheels as position sensors 53, 54 are designed as gears 17, which are not required for the engagement of the electric drive device 6 in the rack 9.
- the diameter 56 of the first sensor wheel differs from a diameter 56 of the second sensor wheel, whereby an absolute distance of up to 1200 mm can be clearly determined by the distance measuring device 33.
- the absolute path of the movable furniture part 2 is determined starting from a reference position via a sum or a difference of rotation angles of the two position sensors 53, 54, so that a distancing between the movable furniture part 2 and the fixed furniture part 1 can be clearly calculated.
- the position measuring device 33 comprises a magnetic bearing 57 over the housing 47 of the electric drive device 6 and a plastic part 58.
- the plastic part 58 acts as a double function as a circuit board for a microcontroller 37.
- the travel measuring device 33 comprises a tactile trigger sensor 59 in the form of a plunger 60 and a microswitch 61, whereby in general other trigger sensors 59 can also be provided which do not require mechanical triggering, so that a front gap between the movable furniture part 2 and the fixed furniture part 1 in the closed position for an overpressure movement for electronic triggering can be omitted, whereby a piece of furniture with a particularly aesthetically pleasing appearance can be achieved.
- a purely electronic triggering can take place, for example, by contacting the movable furniture part 2, whereby, for example, a user pressing or wiping the movable furniture part on a furniture part front 23 is detected.
- the distance measuring device 33 is arranged together with the electric drive device 6 in a stationary manner on the body rail 4, wherein a movement transfer of the electric drive energy takes place on the rack 9 arranged on the drawer rail 5 in order to be able to convey a force transmission over the entire path 13 or starting from any point along the path 13 over a partial area of the path 13.
- the position measuring device 33 is arranged completely below the movable furniture part 2, indirectly via the electric drive device 6 on the body rail 4. If necessary, a furniture part front 23 of the movable furniture part 2 can protrude below the electric drive device 6 or the position measuring device 33 in order to contact the trigger sensor 59, for example. At least one base of the movable furniture part 2 is, however, arranged above the electric drive device 6.
- Both gears 17 for determining position or speed have a microchip. Another gear 17 transfers the energy of the electric motor 7 to the rack 9.
- the electric drive device 6 is arranged on the guide device 3 at least away from a closed position of the movable furniture part 2 without contact with the movable furniture part 2.
- a position of the movable furniture part 2 relative to the fixed furniture part 1 is clearly determined as the absolute path traveled by the movable furniture part 2 relative to the fixed furniture part 1, and the movable furniture part 2 is moved translationally by the electric drive device 6 between the closed position and the open position 30 along the guide device 3 over a partial area of the path 13 depending on the absolute path determined by the path measuring device 33.
- a drive of the drawer rail 5 over the entire path 13 is generally possible due to the constant coupling between the rack 9 and the electric drive device
- the absolute path can be clearly determined starting from a predefined reference position, via a relative position of the position sensors 53, 54 and starting from a reference position via a sum or difference of angles of rotation of the position sensors 53, 54 as a distance between the movable furniture part 2 (generally the drawer rail 5) and the fixed furniture part 1 (generally the carcass rail 4).
- the movable furniture part 2 can be driven with a speed profile adapted to the determined speed or the determined absolute path, wherein the electric drive device 6 at a predefined speed or at a predefined absolute distance.
- an algorithm or a computer program product can be stored which comprises instructions which, when executed by a computing unit, cause the latter to carry out the method from a memory unit which has a data connection with the computing unit.
- the specific position can be used to ensure proper detection of whether the movable furniture part 2 is to be subjected to force by the electric drive device 6 in the direction of the closed position or the open position 30.
- the position and, if applicable, the speed can be used to determine whether the user of the movable furniture part 2 wants to move the movable furniture part 2 in a free-running area or wants a drive in the closing or opening direction.
- a speed profile to be transmitted to the movable furniture part 2 can be adjusted so that an individual speed can be individually transmitted for each position along the guide device.
- Fig. 11 and Fig. 12 show components of the electric drive device 6, wherein in Fig. 11 in the enlarged detail section a protective body 78 integrated in the housing 47 can be seen, which protects the gear - in particular a gear stage 55 - from abrasion by a belt (drive belt 79).
- the belt drive is shown enlarged in connection with the electric motor 7, wherein two belt tensioners 80 are provided, which provide a tension that is favorable for driving the electric drive device 6.
- two belt tensioners 80 are provided, which provide a tension that is favorable for driving the electric drive device 6.
- only one belt tensioner 80 or several belt tensioners 80 can be provided, wherein two belt tensioners 80 arranged on opposite sides of the drive belt 79 have proven to be particularly advantageous.
- Fig. 13a shows the gear stages 55 of the electric motor 7, wherein the electric motor 7 is coupled to a freewheel clutch 29.
- Fig. 13b differs from Fig. 13a only in that it is viewed from a different angle.
- Fig. 14a and Fig. 14b show a one-way clutch 29 as a component comprising two gears 17, which can act as gear stages 55.
- the one-way clutch 29 is generally not self-locking.
- the freewheel clutch 29 is integrated in the electric drive device 6 , the freewheel clutch 29 can remain stationary on the body rail 4 .
- An overload clutch 68 can generally also be provided, which - for example depending on a speed of the movable furniture part 2 or a position of the movable furniture part 2 - enables a decoupling between the electric motor 7 and the rack 9; by means of a double detachable connection of the rack 9 (detachable connection between the carrier device 10 and the rack 9 and the closing device 8) during the engagement of the gear 17 of the electric drive device 6 in the function as an overload clutch 68, an integrated overload clutch 68 can be dispensed with. In general, it may be sufficient that only the rack 9 is detachably arranged on the carrier device 10 or only the carrier device 10 is detachably arranged on the closing device 8.
- Fig. 15 shows an electric drive device 6 arranged on one side of the guide device 3, wherein a further trigger sensor 65 (indicated schematically by dotted lines) for activating the electric motor 7 for a closed position (activation in or via the closed position or possibly an overpressure position) of a movable furniture part 2 arranged on the fixed furniture part 1 is arranged stationary on the second furniture panel 64 via the body rail 4 arranged on the second furniture panel 64.
- a further trigger sensor 65 (indicated schematically by dotted lines) for activating the electric motor 7 for a closed position (activation in or via the closed position or possibly an overpressure position) of a movable furniture part 2 arranged on the fixed furniture part 1 is arranged stationary on the second furniture panel 64 via the body rail 4 arranged on the second furniture panel 64.
- the additional trigger sensor 65 preferably comprises a damping device 12 or a buffer.
- the additional trigger sensor 65 can be in data communication with the electric drive device 6 via a radio connection or a cable connection.
- the additional trigger sensor 65 means that processing of the furniture part front 23 can be omitted.
- the additional trigger sensor 65 is preferably used together with the trigger sensor 59.
- the synchronization rod 20 with the two further racks 19 can be provided as a separate configuration as an add-on, wherein at least one of the three component parts can be connected to the second interface 35, the rack 9, the body rail 4 or the electric drive device 6.
- the rack 9 can comprise a coupling device 25 with which the rack 9 can be extended by a rack extension 26, wherein the rack 9 is then composed of at least two rack segments 28 in the longitudinal direction 27.
- a length-adjustable rack 9 in order to be able to adjust a dimension of the rack 9 individually to a dimension of the guide device 3 or an extension path along the path 13.
- the rack 9 it is also conceivable to design the rack 9 to be telescopic.
- Fig. 16 shows a diagram with sensor angles (in degrees) plotted on the ordinate and absolute distances along the path 13 (in mm) plotted on the abscissa.
- the position of the drawer rail 5 or the movable furniture part 2 can be clearly identified along the path 13 by the relative rotational position using the two position sensors 53, 54.
- an intersection point of the sensor angles corresponding to an extension length of approximately 245 mm is marked with a square, whereby this intersection point corresponds to three complete rotations of the first position sensor 53 and five complete rotations of the second position sensor 54.
- the difference in the rotation angles corresponds to 36°, so that the position is clearly defined.
- Another intersection point of the sensor angles corresponding to an absolute travel of approximately 165 mm is marked with a circle, whereby this intersection point corresponds to two complete revolutions of the first position sensor 53 and five complete revolutions of the second position sensor 54.
- the difference in the rotation angles corresponds to 144°, so that the position is clearly defined.
- a signal tolerance of the first position sensor 53 is 60° in relation to a maximum number of six rotations for a clear position determination.
- a signal tolerance for the second position sensor 54 is 36° in relation to a maximum of 10 revolutions.
- a tolerance can be reduced to +/- 30° for the first position sensor 53 and +/- 18° for the second position sensor 54, which is sufficiently precise for a precise determination of the absolute path via both position sensors 53, 54.
- a redundancy of intersection points for determining the absolute path can occur for long distances 13, whereby this undesirable situation can be prevented by an entry in a storage unit or a varying translation. It is also conceivable to use additional sensors.
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Drawers Of Furniture (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA50998/2022A AT526504B1 (de) | 2022-12-23 | 2022-12-23 | Anordnung umfassend ein feststehendes Möbelteil, ein bewegbares Möbelteil und eine Führungsvorrichtung |
| PCT/AT2023/060423 WO2024130282A1 (de) | 2022-12-23 | 2023-12-01 | Anordnung umfassend ein feststehendes möbelteil, ein bewegbares möbelteil und eine führungsvorrichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4601509A1 true EP4601509A1 (de) | 2025-08-20 |
Family
ID=89223704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23825199.5A Pending EP4601509A1 (de) | 2022-12-23 | 2023-12-01 | Anordnung umfassend ein feststehendes möbelteil, ein bewegbares möbelteil und eine führungsvorrichtung |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20250302195A1 (de) |
| EP (1) | EP4601509A1 (de) |
| JP (1) | JP2025542345A (de) |
| CN (1) | CN120417812A (de) |
| AT (1) | AT526504B1 (de) |
| TW (1) | TWI871145B (de) |
| WO (1) | WO2024130282A1 (de) |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29802535U1 (de) * | 1998-02-14 | 1999-06-17 | Dewert Antriebs- und Systemtechnik GmbH & Co KG, 32278 Kirchlengern | Elektromotorischer Linearantrieb |
| AT413631B (de) | 2001-12-27 | 2006-04-15 | Blum Gmbh Julius | Anordnung mit einem bewegbaren möbelteil, mit einer antriebseinheit und mit einer regeleinrichtung |
| AT413632B (de) | 2001-12-27 | 2006-04-15 | Blum Gmbh Julius | Bewegbarer möbelteil |
| AT500362B1 (de) * | 2002-06-27 | 2007-01-15 | Blum Gmbh Julius | Anordnung mit einem bewegbaren möbelteil und mit einer antriebseinheit |
| DE102005035104C5 (de) * | 2004-08-06 | 2013-02-21 | Dewert Antriebs- Und Systemtechnik Gmbh | Möbelantrieb mit Weggeber |
| AT502660B1 (de) * | 2005-10-25 | 2007-05-15 | Blum Gmbh Julius | Einzugsvorrichtung |
| AT504375B1 (de) | 2006-10-23 | 2010-01-15 | Blum Gmbh Julius | Möbel mit einer antriebsvorrichtung für bewegbare möbelteile |
| AT505209B1 (de) * | 2007-05-07 | 2012-04-15 | Blum Gmbh Julius | Antrieb für ein bewegbares möbelteil |
| AT505562B1 (de) * | 2007-07-24 | 2013-04-15 | Blum Gmbh Julius | Möbelantrieb |
| DE102007046172A1 (de) * | 2007-09-26 | 2009-04-02 | Dorma Gmbh + Co. Kg | Mit Linearmotoren ausgestattete Möbel |
| ES2888655T3 (es) * | 2008-03-26 | 2022-01-05 | Lg Electronics Inc | Procedimiento de accionamiento de un cajón en un refrigerador |
| AT510549B1 (de) | 2011-02-21 | 2012-05-15 | Blum Gmbh Julius | Möbelantrieb |
| DE202011100584U1 (de) * | 2011-05-12 | 2012-08-13 | Grass Gmbh | Vorrichtung zum Bewegen eines bewegbaren Möbelteils und Möbel |
| KR102595327B1 (ko) * | 2018-08-30 | 2023-10-30 | 엘지전자 주식회사 | 냉장고 |
-
2022
- 2022-12-23 AT ATA50998/2022A patent/AT526504B1/de active
-
2023
- 2023-12-01 JP JP2025536635A patent/JP2025542345A/ja active Pending
- 2023-12-01 EP EP23825199.5A patent/EP4601509A1/de active Pending
- 2023-12-01 CN CN202380088033.3A patent/CN120417812A/zh active Pending
- 2023-12-01 WO PCT/AT2023/060423 patent/WO2024130282A1/de not_active Ceased
- 2023-12-21 TW TW112150054A patent/TWI871145B/zh active
-
2025
- 2025-06-17 US US19/240,834 patent/US20250302195A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| TW202440008A (zh) | 2024-10-16 |
| AT526504B1 (de) | 2024-04-15 |
| JP2025542345A (ja) | 2025-12-25 |
| CN120417812A (zh) | 2025-08-01 |
| WO2024130282A1 (de) | 2024-06-27 |
| US20250302195A1 (en) | 2025-10-02 |
| TWI871145B (zh) | 2025-01-21 |
| AT526504A4 (de) | 2024-04-15 |
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