EP2710215B1 - Elektromechanischer aktuator-kopf zur handhabung eines aufroll-elements - Google Patents

Elektromechanischer aktuator-kopf zur handhabung eines aufroll-elements Download PDF

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Publication number
EP2710215B1
EP2710215B1 EP12721850.1A EP12721850A EP2710215B1 EP 2710215 B1 EP2710215 B1 EP 2710215B1 EP 12721850 A EP12721850 A EP 12721850A EP 2710215 B1 EP2710215 B1 EP 2710215B1
Authority
EP
European Patent Office
Prior art keywords
actuator
head
accessory
torque
angular position
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12721850.1A
Other languages
English (en)
French (fr)
Other versions
EP2710215A1 (de
Inventor
Serge Bruno
Sébastien LEMAITRE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Somfy Activites SA
Original Assignee
Somfy Activites SA
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Filing date
Publication date
Application filed by Somfy Activites SA filed Critical Somfy Activites SA
Publication of EP2710215A1 publication Critical patent/EP2710215A1/de
Application granted granted Critical
Publication of EP2710215B1 publication Critical patent/EP2710215B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/40—Safety devices, e.g. detection of obstructions or end positions
    • E05F15/42—Detection using safety edges
    • E05F15/48—Detection using safety edges by transmission of mechanical forces, e.g. rigid or movable members
    • 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
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • 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
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/106—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for garages
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6818—Control using sensors
    • E06B2009/6845—Control using sensors sensing position
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6818—Control using sensors
    • E06B2009/6854—Control using sensors sensing torque

Definitions

  • the invention relates to the field of electromechanical actuators for motorized control of occultation or sun protection elements in a building, such as blinds, shutters.
  • it relates to an actuator adapted to control in rotation of a winding tube, on which is wound a rollable element.
  • Requirement WO2007 / 51865 also describes an embodiment (FIG. 10), in which the clearance is created not between the head and the body of the actuator, but between the head and an accessory for mounting the actuator on the building (called in English "wall bracket”). Elastic parts are also added between the head and the accessory.
  • This embodiment involves adding detection elements (an electronic circuit and Hall effect sensors) between the head and the accessory.
  • the integrated mechanical assembly then comprises the actuator, the wall accessory and the detection elements.
  • the problem mentioned above is displaced but remains equivalent. If the components of the assembly (actuator on the one hand and accessory on the other hand) are separable and mounted by the installer on site, another problem related to this embodiment becomes accessibility to the electronic circuit: it is not protected and may be damaged during assembly. In addition, the electrical connections are more complex.
  • the patent application EP2167776 discloses an obstacle detection device or abutment stop similar to the above, but using the remote measurement of an electronic motion detector, such as an accelerometer or a gyroscopic sensor. This request is based on the use of a remote sensor in relation to the zone where the game is generated, to avoid any need for wiring between the measuring zone of the force or rotation and the zone of measurement. integration of the measure. It does not respond well to the ease of integration or assembly, insofar as additional elastic parts must be inserted between the actuator and a fixed support (caisson which surrounds the screen, the winding tube and the actuator, or frame). On the other hand, an adjustment of the elastic element, in particular the tension of a spring is possible but complex, because it mainly requires acting at the connection between the spring and the fixed support. All of these aspects make it extremely difficult to assemble the actuator on site.
  • an electronic motion detector such as an accelerometer or a gyroscopic sensor.
  • a first object of the invention is to detect a force exerted on a roll-up screen, without this implying the creation of a mechanical play at the level of the actuator itself. Keeping rigid connections between the various components of the actuator, in particular at the end of the actuator which must be connected to the frame, simplifies its design and assembly, its resistance to external climatic elements and its integrity over time.
  • a second objective is to simplify its mounting to the frame, using as much as possible the accessories available on the market and compatible with other actuators.
  • a third goal is to minimize the settings when installing the actuator at the window.
  • a fourth objective is to maintain compatibility with existing accessories on the market to simplify the replacement of an actuator by a fine-obstacle detection actuator.
  • the object of the invention is to provide an actuator head or an accessory remedying the disadvantages mentioned and improving the heads known from the prior art.
  • the invention proposes to provide a simple head or accessory to simplify the mounting of an actuator and to avoid any risk of damaging the electronics during its assembly.
  • the first deformable part is integrated at a first torque recovery branch.
  • the first deformable part can penetrate, in particular be fixed in a recess provided at the first branch.
  • the deformable part may be an elastomer, stressed in compression during the application of the torque to which the actuator is subjected.
  • the first branch may comprise an expansion zone intended to facilitate the deformation of the elastomer during its compression.
  • the head or the accessory may comprise a first non-deformable contact element under the action of the couple, the first contact element being distinct from the first deformable part.
  • the contact element can be integrated with a second external branch of the head or the accessory.
  • the head or the accessory may comprise a second deformable part and a second non-deformable contact element.
  • the control unit may include an angular position detection module, adapted to determine the angular position of the actuator from the measurements provided by an angular position sensor.
  • the angular position sensor can be remote and without contact with the elastic contact piece.
  • the angular position sensor can be implanted out of the head.
  • the control unit may comprise an element for automatically determining an angular position threshold from which the motor must be deactivated.
  • At least one branch of the actuator head is mounted without play in a part of the accessory.
  • the accessory and the actuator can only cooperate mechanically, without requiring a module for detecting their relative angular position.
  • the actuator and / or the accessory can comprise mounting means such that the actuator can be mounted in a plurality of angular positions with respect to the fixed support, in particular in more than two angular positions.
  • the figure 1 represents a plant 100 comprising a tubular actuator 1 for operating a closure device, occultation, sun protection or screen.
  • the tubular actuator 1 comprises a fixed point or head 2, a tubular body 3 and an output shaft 4 rotatable along the axis XX 'of the tubular body of the actuator.
  • the output shaft is connected to a winding tube 5, in which the actuator is engaged, by a drive wheel 6.
  • a bearing 7 allows the rotational guidance of the winding tube on the tubular body of the actuator.
  • An attachment accessory 8 connects the fixed point to a frame 9 (including a window frame).
  • a windable element 10, shown in phantom, is fixed by one of its ends to the winding tube, the windable element occulting the window when it is unwound.
  • the windable element can be a shutter, a screen, a grid or a canvas.
  • the fixed point otherwise known as the "head" of the actuator, is an end piece which supports a portion of the weight of the actuator, the winding tube and the windable element, and which fully supports the torque of the actuator. the actuator.
  • the attachment accessory connecting the fixed point or head to the frame is adapted to be securely attached to the frame, for example by means of bolts on a metal frame or with peg screws (not shown).
  • the connection of the head to the attachment accessory is preferably detachable, that is to say easily locked or unlocked, so as to facilitate the installation or maintenance of the windable element or actuator.
  • specific fastening elements comprise, for example, clipping means elastic and shapes adapted to the simultaneous recovery of weight and torque, for example as described in the patent EP468925 or EP1106774 . These fixing elements are included or not in the accessory and / or in the head.
  • the head 2 is connected without play to the tubular body. It comprises for this purpose a tubular portion 20 adapted to engage the tube 3, either in direct contact thereof by a tight fitting, or by direct contact with another element in contact with the tube, for example a tube insulation (not shown) required by the electrical insulation of control means included in the actuator tube or by the sound insulation of the actuator.
  • the outer diameter of this tubular portion is for example substantially equal to the inside diameter of the tube 3.
  • a dotted line represents the tubular portion 20 of the fixed point 2 engaged in the tubular body 3.
  • the head and the body are fixed axially to one another by means of a screw or by clipping (means not shown).
  • the tubular body also comprises at least one lumen 30 at a first end, cooperating with a longitudinal shoulder or longitudinal boss 24 provided on the tubular portion of the head. In this way, the tube can not move angularly vis-à-vis the head.
  • the tubular portion 20 and the longitudinal shoulder form a mechanical connecting element of the head to the body 3 of the actuator. This connection is preferably without rotating play.
  • the tubular portion is rigidly connected to a base 21 at least substantially circular in a plane perpendicular to the axis of the tube, outside the tube and having reliefs or branches 22 adapted to be housed in corresponding or complementary forms of the accessory of 8.
  • Various locking means are provided for ensure the maintenance of the base in the mounting accessory in rotation and / or in translation.
  • the tubular portion and the base may be formed integrally or form a single piece by their rigid connection with known means not shown.
  • the head and the base are made mainly of rigid plastic material, by molding or extrusion.
  • a control module 40 for controlling a motor 99 is housed inside the tubular body.
  • the control module comprises motor control means 41 such as, for example, a counting device, an automatic end-of-travel module of the windable element, an automatic engine stop module in response to the presence of an obstacle or a stop module in the intermediate position or any other control module capable of executing a particular engine control program.
  • the control means are represented schematically by an electronic assembly representing the various electronic components, mounted on an electronic card 42, for example a printed circuit.
  • control module can be held by a support 43, also called tub, itself held relative to the tube and / or the head .
  • the tracks of this card 42 are electrically connected, via connectors not shown, to a wired connection 44.
  • the wired connection makes it possible to supply the electronic card and the motor electrically via the control module.
  • a cavity 23 shown in figures 3 and 4 is provided in the head for the passage of the wired connection (plug and cable).
  • the control module also comprises a module 50 for detecting the angular position of the actuator, shown separately from the motor control means 41 for reasons of readability.
  • This detection module comprises, for example, an electronic sensor for movement or acceleration, an inclinometer or other component of the same type (angular position sensor). It cooperates with information processing means, these being notably understood at the level of the motor control means.
  • the detection module is intended to detect an absolute angular position with respect to a stable position, for example linked to an earth marker based on the gravity or a relative angular position of the actuator vis-à-vis a position of reference, for example the angular position at the start of a movement.
  • the detection module may be mounted on the printed circuit or be positioned separately, for example in the form of an overmoulded component (MID Molded Interconnect Device) outside the printed circuit. It can in this case easily be positioned at the most appropriate place of the actuator.
  • MID Molded Interconnect Device MID Molded Interconnect Device
  • the head 2 comprises at least two branches of substantially equivalent external dimensions.
  • a first branch 22a includes a first deformable part 25a, deformable under the action of a torque to which the actuator is subjected.
  • An integration of the deformable part at a branch means in particular that the deformable part is included totally or in the major part, on the branch and / or inside thereof.
  • the deformable part can be supported or held by a rigid part, which is not necessarily integrated with the first branch.
  • the head also comprises a first contact element 25b distinct and non-deformable under the action of the same pair, for example included at a second branch 22b.
  • the head can be held at least partially without play in the accessory.
  • the first deformable part in the absence of a load, such as for example during installation of the actuator in the winding tube, the first deformable part is in contact, direct or indirect, with the accessory of fixation.
  • the first contact element is not in contact with the accessory.
  • the first branch is held without play in the accessory, while the second branch is without contact with the accessory.
  • a torque is applied to the actuator, for example a torsion force in a first direction due to the weight of the deck blades not wound on one side of the tube, the actuator as a whole is subjected to this torque.
  • the first deformable part is then constrained against the accessory and deforms, while the first contact element comes into contact with the accessory.
  • the first contact element acts as an abutment limiting the rotational movement of the actuator relative to the accessory. Lightening the rollable element, for example echoed because of the rolling element encountering an obstacle, causes a relaxation of the compression force of the first deformable part and a new angular position of the actuator.
  • the first branch in static or dynamic operation of the actuator in the absence of an obstacle, the first branch is deformed so that elastic, while the second branch limits this deformation. This allows both to protect the deformable part and to transmit the torque.
  • the deformation of the first branch decreases.
  • the variation of deformation is characteristic of the variation of angular position of the head of the actuator vis-à-vis the accessory.
  • the head of the actuator comprises a second deformable part 26a, preferably integrated with the first branch. It also comprises a second non-deformable contact element 26b, integrated in the second branch.
  • the second deformable part and the second non-deformable contact element are respectively symmetrical to the first deformable part and the first non-deformable contact element so as to take into account angular variations of the actuator relative to the attachment accessory in both directions of rotation.
  • a single deformable part disposed on either side of an axis of symmetry of the first branch, constitutes by itself the first and the second deformable part.
  • the first and second contact elements can be formed integrally into a single element.
  • the elastic contact pieces are preferably formed by elastomers integrated in the first branch of the base of the actuator head, for example silicone parts attached to the head.
  • the elastomers are molded or co-injected with the head of the actuator.
  • the contact elements can be provided on branches not equipped with deformable parts.
  • the contact elements are constituted by the surfaces of the branches of the head not equipped with deformable parts. These different elements are schematized on the figures 3 and 4 , showing part of the base.
  • the contact elements are provided on the same branches as those integrating the deformable parts.
  • the deformable parts in the form of elastomers can be protected by a cover 27 of protection.
  • This is in the form of another deformable part or mounted with freedom of movement relative to the base.
  • the cover can thus comprise two elements sliding one vis-à-vis the other and relative to the base, the deformable part being held between these sliding elements. These elements can then correspond to the first and second contact element.
  • This cover protects the elastomers against cuts, scratches that could damage their structure. It can also provide the function of mechanical stop against excessive crushing of the elastomers, such as a contact element.
  • the deformable parts are overmolded on the base, at the level of recesses 28 provided for this purpose on at least one branch of the base, in particular on either side of the branch. During overmoulding, a space or expansion zone of the elastomer 29 must be provided. The deformable parts penetrate and are held in the recesses.
  • the contact elements limit the compression of the deformable parts below their maximum compression capacity.
  • the number and shape of the deformable parts are provided so that the actuator is mounted without mechanical play in the accessory, at least at the branches equipped with deformable parts.
  • the actuator at least at its near end of the head, is thus devoid of moving mechanical parts relative to each other: the actuator is said to be rigid (as opposed to the actuators of the prior art which provide a mechanical play between parts constituting the actuator , such as the head and the tube). Thanks to the deformation of the deformable part (s) and the remote measurement at the printed circuit, a fine obstacle detection or intrusion attempt is possible, including with a rigid actuator.
  • the shape of the branches is substantially equivalent to that of the branches of actuators already marketed.
  • the accessories used may be common and the replacement of an actuator already installed and not equipped with the detection device according to the invention may easily be replaced by an actuator according to the invention.
  • the main difference in terms of external appearance is to provide branches not equipped with deformable parts, a section SA1 is smaller than the corresponding section of the accessory, so as to allow a movement of the actuator vis-à-vis of the accessory in some cases of load.
  • all the branches of the head are equipped with contact elements and they have an external appearance (shape and dimensions) equivalent to that of the accessory.
  • the contact elements are then provided at these same branches, that is to say that they allow compression of the deformable parts but in a limited manner, that is to say that this compression is stopped as soon as the contact element is in contact with the direct contact accessory or via another part, for example via the protective cover).
  • the angular position detection module is mounted on the printed circuit board. This is held fixedly relative to the tube or the actuator head. Regardless of the mounting angle of the actuator in the accessory, the detection module detects a reference angle, which corresponds, for example, to the initial angular position, before starting. This reference angle value can be determined at the beginning of each maneuver. There is therefore no constraint positioning the actuator in the accessory vis-à-vis a particular orientation. This is particularly suitable for integration in a so-called multi-position head, that is to say that can be mounted indifferently in several angular positions vis-à-vis the accessory. The measured angle variations are therefore variations with respect to the reference angle.
  • the fact that part of the blades of the windable element remains hanging on one side of the winding tube creates an unbalance effect on one side, which can be detected by the angular position detection module. Therefore, it is possible to detect a final blade frozen by the gel or other phenomenon when the windable element is in the high position. If the actuator is disassembled and reassembled in another angular orientation, the reference angle will be changed accordingly in a transparent manner for the installer or the user.
  • This embodiment requires no contact or particular relative positioning between the test body (the deformable part or pieces) and the sensor (the angular position detection module).
  • the information is processed by the engine control means.
  • the measured angular variations are filtered and an inclination curve can be deduced.
  • the curves represented in figure 5 show on the one hand a signal as measured and a filtered signal (The elimination of high frequencies is possible because the angular variations are slow with respect to these high frequencies). Filtering can be done by integration.
  • the filtering means may be software or hardware.
  • vibrations can be recorded, related to the mechanical stresses on the structure, for example in contact with the blades of a rollable element in the slideway. These movements can be measured by the angular position detection module, but are not taken into account in the context of obstacle detection.
  • An angular variation greater than an absolute value at a first threshold may be defined as resulting from an obstacle.
  • the actuator motor is then stopped or activated in the opposite direction of rotation to clear the obstacle.
  • this angular variation is a negative variation (the obstacle creating a reduction in the load borne by the actuator and therefore a relaxation of the compressive force on the deformable part).
  • an angle measurement lower than the reference angle is an obstacle or intrusion indicator.
  • the sensitivity threshold may be variable, for example depending on the position, the direction of movement, or other parameters, so that an obstacle is detected for example from the stack of 3 or 4 blades. outside the end position, while avoiding a hard point in the slide causes the systematic rise of the rollable element.
  • the same deformable part is adapted to a range of sensitivities. Moreover, because of the use of the contact elements forming rigid abutments, the same deformable part can be used on several types of actuators providing very different couples (for example from 6 to 40 Nm).
  • the curve of the figure 6 explains schematically the taking into account of the measured data (raw signal) and filtered (filtered signal), except for the presence of stops (contact elements).
  • the first zone ZA corresponds to the reference zone, for example a zone of angular position of the reference actuator, with constant charge substantially zero.
  • the second zone ZB shows a gradual evolution of the measurement. This corresponds to a gradual increase in the load, for example when the rolling element goes down and its weight, supported by the head of the actuator, increases.
  • Zone ZC shows a zone of release of the load, with a sudden angular variation. This corresponds for example to the appearance of an obstacle on the run of the windable element or an end stop.
  • the third zone is followed by a fourth zone ZD returning to a constant angular position, for example the reference angular position but may also be an angular position different from this reference position.
  • the processing of this information can therefore allow the detection of an unexpected phenomenon, for example the presence of an obstacle on the stroke, and cause the stop or the change of direction of rotation of the actuator.
  • zone ZB1 shows a gradual change in the measurement of the angular position of the actuator from a reference position in which the load is substantially zero (zone ZA).
  • Zone ZB2 shows a ceiling area, during which the load can increase, but without affecting the compression of the room deformable.
  • the zone ZC1 reflects a slackening of the load, with a sudden angular variation, which can lead to a reversal of angular position with respect to the reference position (zone ZC2).
  • Zone ZD shows a return to a constant angular position, for example the reference angular position but can also be an angular position different from this reference position.
  • the deformable part for example of the elastomer type, operates in compression, this allowing the actuator to have a dampened movement in the accessory. Only one type of deformable part can be adapted for a range of actuators capable of producing different torques of rotation, that is, the deformable part is independent of the working torque of the actuator.
  • the angular variation with respect to the reference angle will be different according to the working torque of the actuator.
  • the speed of angular variation will be different according to the working torque of the actuator (at equal output speeds).
  • a mechanical elastic part for example a spring blade or a coil spring could be used as a deformable part. Their life is superior but they do not offer the benefits of damping elastomers. A combination of these elements could be considered.
  • a head comprises a branch 22c provided with a groove 221, in particular a longitudinal groove, in which is housed a deformable part 222 constituted by a leaf spring 222 having a profile or section W.
  • the central tip of the W-shaped profile, joined by the two central flanges 224 of the blade, is housed by deformation elastic in the groove.
  • the two outer wings 223 of the W profile extend along the flanks of the branch 22c.
  • the actuator when the actuator is subjected to a torque, a surface of the accessory is pressed on one of the outer wings of the leaf spring and deform. It follows a rotational movement of the head, so the actuator, relative to the accessory or the frame.
  • the torque on the actuator is zero, the head is once again occupy its rest position relative to the accessory or to the frame, under the action of the leaf spring.
  • the spring can be made in two independent parts, each part constituting an elastic piece at a side of the branch.
  • the same device can allow the detection of an intrusion attempt on a rollable element.
  • the lifting of the rollable element, while the actuator is stopped, is reflected in a variation of rotation angle of the actuator vis-à-vis the attachment accessory, in the absence of command command issued to the actuator.
  • This angular variation detected is used to implement an alarm device coupled to the actuator or to any other action to alert or prevent the intrusion.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Claims (15)

  1. Kopf (2) eines elektromechanischen Aktuators (1) zur Handhabung eines Aufrollelements (10), umfassend:
    - ein Element zum mechanischen Verbinden (20, 24) mit einem Körper (3) des Aktuators ohne Drehspiel,
    - mindestens zwei Drehmomentanlauf-Arme (22, 22a, 22b, 22c), die geeignet sind, mit einem Zubehör (8) zum Befestigen an einem Gehäuse (9) zusammenzuwirken,
    - mindestens ein erstes Teil (25a, 26a, 222), das unter der Einwirkung eines Drehmoments verformbar ist, dem der Aktuator ausgesetzt ist,
    dadurch gekennzeichnet, dass das erste verformbare Teil an einem ersten Arm (22a, 22c) der mindestens zwei Drehmomentanlauf-Arme (22, 22a, 22b, 22c) integriert ist.
  2. Zubehör zum Befestigen (8) eines elektromechanischen Aktuators zur Handhabung eines Aufrollelements an einem Gehäuse, umfassend:
    - ein Element zum mechanischen Verbinden mit dem Gehäuse ohne Drehspiel,
    - mindestens zwei Drehmomentanlauf-Arme, die geeignet sind, mit einem Kopf des Aktuators zusammenzuwirken,
    - mindestens ein erstes Teil, das unter der Einwirkung eines Drehmoments verformbar ist, dem der Aktuator ausgesetzt ist,
    dadurch gekennzeichnet, dass das erste verformbare Teil an einem ersten Arm der mindestens zwei Drehmomentanlauf-Arme integriert ist.
  3. Kopf oder Zubehör nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste verformbare Teil in eine Ausnehmung (28) eindringt, insbesondere darin befestigt ist, die an dem ersten Arm vorgesehen ist.
  4. Kopf oder Zubehör nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das erste verformbare Teil ein Elastomer ist, das beim Ausüben des Drehmoments, dem der Aktuator ausgesetzt ist, einer Komprimierung unterzogen wird.
  5. Kopf oder Zubehör nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der erste Arm einen Ausdehnungsbereich (29) aufweist, der dazu bestimmt ist, die Verformung des Elastomers bei seiner Komprimierung zu erleichtern.
  6. Kopf oder Zubehör nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Kopf oder das Zubehör ein erstes Kontaktelement (25b) aufweist, das unter der Einwirkung des Drehmoments nicht verformbar ist, wobei das erste Kontaktelement von dem ersten verformbaren Teil verschieden ist.
  7. Kopf oder Zubehör nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass das Kontaktelement in einem zweiten externen Arm des Kopfes oder des Zubehörs integriert ist.
  8. Kopf oder Zubehör nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Kopf oder das Zubehör ein zweites verformbares Teil und ein zweites nicht verformbares Kontaktelement aufweist.
  9. Elektromechanischer Aktuator zur Handhabung eines Elements zum Aufrollen (10) um ein Aufrollrohr (5), wobei der Aktuator Folgendes aufweist:
    - einen röhrenförmigen Körper (3),
    - einen Kopf (2) nach einem der vorhergehenden Ansprüche, wobei der Kopf ohne Spiel mit dem röhrenförmigen Körper mechanisch verbunden ist und mindestens zwei Drehmomentanlauf-Arme (22, 22a, 22b, 22c) aufweist, die geeignet sind, mit einem Zubehör (8) zum Befestigen an einem Gehäuse zusammenzuwirken,
    - einen Motor (99) und
    - eine Steuereinheit (40).
  10. Aktuator nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Steuereinheit ein Modul (50) zum Erfassen der Winkelposition aufweist, das geeignet ist, die Winkelposition des Aktuators ausgehend von Messungen, die von einem Winkelpositionssensor bereitgestellt werden, zu bestimmen.
  11. Aktuator nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Winkelpositionssensor entfernt und ohne Kontakt mit dem elastischen Kontaktteil ist.
  12. Aktuator nach einem der Ansprüche 10 bis 11, dadurch gekennzeichnet, dass der Winkelpositionssensor außerhalb des Kopfes installiert ist.
  13. Aktuator nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, dass die Steuereinheit ein Element zum automatischen Bestimmen eines Schwellenwertes der Winkelposition aufweist, ab dem der Motor ausgeschaltet werden muss.
  14. Anlage (100) zur Handhabung eines Aufrollelements (10) zum Verdecken, zum Verschließen, zum Sonnenschutz oder zur Abschirmung, umfassend:
    - mindestens ein Zubehör zum Befestigen nach einem der Ansprüche 2 bis 8, das geeignet ist, auf einem festen Träger (9) befestigt zu werden, und/oder
    - einen Aktuator (1) nach einem der Ansprüche 9 bis 13, wobei der Aktuator mit der Möglichkeit eines Winkelausschlags in dem festen Träger befestigt ist.
  15. Anlage nach Anspruch 14, dadurch gekennzeichnet, dass:
    - mindestens ein Arm (22, 22a, 22b) des Kopfes des Aktuators ohne Spiel in einem Teil des Zubehörs befestigt ist und/oder
    - das Zubehör und der Aktuator nur mechanisch zusammenwirken, ohne dass ein Modul zum Erfassen ihrer relativen Winkelposition notwendig ist, und/oder
    - der Aktuator und/oder das Zubehör derartige Befestigungsmittel (22, 22a, 22b) aufweisen, dass der Aktuator in mehreren Winkelpositionen gegenüber dem festen Träger, insbesondere in mehr als zwei Winkelpositionen, befestigt werden kann.
EP12721850.1A 2011-05-17 2012-05-16 Elektromechanischer aktuator-kopf zur handhabung eines aufroll-elements Active EP2710215B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1154292A FR2975426B1 (fr) 2011-05-17 2011-05-17 Tete d'actionneur electromecanique de manoeuvre d'un element enroulable
PCT/EP2012/059184 WO2012156471A1 (fr) 2011-05-17 2012-05-16 Tete d'actionneur electromecanique de manoeuvre d'un element enroulable

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EP2710215A1 EP2710215A1 (de) 2014-03-26
EP2710215B1 true EP2710215B1 (de) 2018-01-03

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FR2999640B1 (fr) * 2012-12-19 2015-06-05 Somfy Sas Actionneur electromecanique, installation de fermeture ou de protection solaire comprenant un tel actionneur et procede de controle d'un tel actionneur
DE102013110845B4 (de) 2013-10-01 2023-03-02 Elero Gmbh Antriebssystem
FR3015545B1 (fr) * 2013-12-20 2018-02-16 Somfy Sas Dispositif d'entrainement motorise d'un tube d'enroulement pour un ecran appartenant a un dispositif d'occultation
FR3059699B1 (fr) * 2016-12-07 2019-05-17 Somfy Sas Organe de suspension, actionneur electromecanique comprenant un tel organe de suspension et installation de fermeture ou de protection solaire comprenant un tel organe de suspension ou un tel actionneur electromecanique
US11957261B2 (en) 2017-04-28 2024-04-16 Lutron Technology Company Llc Window treatment mounting bracket
FR3072115B1 (fr) 2017-10-10 2019-11-08 Somfy Activites Sa Actionneur electromecanique tubulaire, installation domotique comprenant un tel actionneur et procede d'assemblage d'un tel actionneur
FR3072119B1 (fr) * 2017-10-10 2019-11-08 Somfy Activites Sa Actionneur electromecanique tubulaire et installation domotique comprenant un tel actionneur

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FR2664938B1 (fr) * 1990-07-23 1992-10-23 Somfy Dispositif de fixation d'un moteur tubulaire pour l'entrainement d'un store ou analogues, dans une embrasure.
FR2790787B1 (fr) 1999-03-08 2001-08-10 Somfy Dispositif de detection de la fin d'empilement des lames d'un volet roulant
FR2801631B1 (fr) 1999-11-30 2002-06-07 Simbac S P A Dispositif de fixation d'un organe d'entrainement et mecanisme de manoeuvre d'une installation de fermeture ou de protection solaire comprenant un tel dispositif
US20060086874A1 (en) * 2004-10-26 2006-04-27 Somfy Systems, Inc. Anti-vibration bracket for tubular motor
ITTV20050169A1 (it) * 2005-11-07 2007-05-08 Nice Spa Dispositivo di sicurezza per avvolgibili, tende solari, cancelli o simili.
WO2008148386A1 (en) 2007-06-07 2008-12-11 Vkr Holding A/S A screening device with an electronic motion sensor
FR2945314B1 (fr) * 2009-05-05 2011-07-01 Somfy Sas Actionneur tubulaire d'entrainement d'un volet roulant
DE202010003095U1 (de) * 2010-03-02 2011-11-16 Arca Beteiligungen Gmbh Rohrmotoranordnung für eine Verdunkelungsvorrichtung

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CN103620152B (zh) 2016-08-17
WO2012156471A1 (fr) 2012-11-22
EP2710215A1 (de) 2014-03-26
FR2975426A1 (fr) 2012-11-23
FR2975426B1 (fr) 2018-03-02

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