EP2746526B1 - Elektromechanisches Stellglied, Schließ- oder Sonnenschutzanlage, die ein solches Stellglied umfasst, und Verfahren zum Steuern eines solchen Stellglieds - Google Patents

Elektromechanisches Stellglied, Schließ- oder Sonnenschutzanlage, die ein solches Stellglied umfasst, und Verfahren zum Steuern eines solchen Stellglieds Download PDF

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Publication number
EP2746526B1
EP2746526B1 EP13198058.3A EP13198058A EP2746526B1 EP 2746526 B1 EP2746526 B1 EP 2746526B1 EP 13198058 A EP13198058 A EP 13198058A EP 2746526 B1 EP2746526 B1 EP 2746526B1
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EP
European Patent Office
Prior art keywords
actuator
transient
obstacle
movement
torque
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.)
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Application number
EP13198058.3A
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English (en)
French (fr)
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EP2746526A1 (de
Inventor
Alain Tranchand
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Somfy SA
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Somfy SA
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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
    • E06B9/56—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
    • 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
    • E06B9/90—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for immobilising the closure member in various chosen positions

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 or shutters.
  • Such actuators move a concealment element, or screen, by means of a winding shaft, on which the screen is wound directly, of the flap or flexible fabric type, for example, or cords. linked to a free end of the screen, in the case of blinds called pleated or Venetian particular.
  • Actuators must fulfill a number of criteria for their optimal operation. In particular, they must be aware of the position of the screen and must be able to stop in particular positions.
  • An additional advantageous criterion is the ability to stop at any position of the race due to an obstacle present in the path of the shutter.
  • the remote sensor must necessarily be powered, either autonomously by a battery, or by a cable running along the screen.
  • the information detected by the sensor must be transmitted to the actuator.
  • the routing of power and information is a constraint, especially in terms of installation, lifetime or reliability.
  • the invention therefore proposes to provide an alternative to existing devices and an improvement thereof to allow fine obstacle detection on the deployment path of a roller shutter.
  • the invention proposes an obstacle generation device using a majority of mechanical components whose resistance in time is known and which allow a complete independence vis-à-vis the operating parameters of the engine, in particular the actuator power supply, or surrounding parameters such as temperature or travel time.
  • the device according to the invention also makes it possible to detect the occurrence of an obstacle in a zero load zone, preferably even before the load, seen by the engine, is canceled by passing driving load led load. This has the advantage of not forcing the engine to exert a greater torque for the passage of a blocking point in full stroke.
  • a transient obstacle in the path of the screen can be detected reliably and quickly on the basis of a transient resistant force generated by the obstacle element and detected on the basis of the torque at the output of the actuator.
  • the invention also relates to a closure or sun protection system which comprises, inter alia, an occultation screen and an actuator as mentioned above.
  • the method may comprise a step f) during which the detection of the transient drive torque is ignored, in particular during non-steady state operation.
  • 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 about a central axis XX 'of the tubular body 3, which is horizontal when the installation is in use.
  • the output shaft 4 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 2 to a frame 9 such as 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 may be a shutter, a screen, a grid, a fabric, or a cord or any other mobile screen for concealment or closure.
  • the fixed point 2 otherwise called the "head” of the actuator, is an end piece that supports a portion of the weight of the actuator 1, the winding tube 5 and the windable element 10 and which fully supports the torque of the actuator.
  • the fastening accessory 8 connecting the fixed point or head 2 to the frame is able to be fixed firmly to the frame.
  • the connection of the head 2 to the attachment accessory 8 is, in turn, preferably removable, that is to say easily locked or unlocked, so as to facilitate the installation or maintenance of the windable element 10 or actuator 1.
  • specific fastening elements are used, which comprise for example elastic clipping means and shapes adapted to the simultaneous recovery of weight and torque. These fixing elements are included or not in the accessory 8 and / or in the head 2.
  • the head 2 is connected without play to the tubular body 3. It comprises for this purpose a tubular portion 20 engaged in the tubular body 3.
  • the head and the tubular body are fixed axially to each other via a screw or by clipping, which is not shown.
  • the tubular body 3 also comprises at least one lumen 30 at one end, cooperating with a longitudinal shoulder or longitudinal boss 24 provided on the tubular portion 20 of the head. In this way, the tubular body 3 can not move angularly vis-à-vis the head 2 and the boss allows, in cooperation with the light, the torque recovery to the head of the actuator.
  • the head 2 is also mounted without play in the attachment accessory 8.
  • An asynchronous motor 50 and a control module 40 for driving the motor 50 are housed inside the tubular body 3.
  • the motor 50 can be direct or alternating current, with or without brush.
  • the control module comprises means 41 for controlling the motor 50, such as, for example, a counting device and a motor variable monitoring module, such as the position and / or the torque.
  • This monitoring module notably allows the automatic stop at the end of the stroke or in the intermediate position of the windable element 10 or the automatic stopping of the motor 50 in response to the presence of an obstacle.
  • the control means 41 also comprise a specific module capable of executing a particular engine control program, in particular as a function of the variables monitored.
  • the control means 41 are represented at figure 1 schematically by an electronic assembly representing the various electronic components, mounted on an electronic card 42, for example a printed circuit.
  • the control means may also comprise one or more sensors for parameters external to the engine, in particular an accelerometer, the dies of which are used by the monitoring module.
  • this electronic card 42 can be embedded in the head 2 for its maintenance or, as shown, the control module can be held by a support 43, also called bathtub, itself maintained relative to the tubular body 3 and / or at the head 2.
  • the tracks of this card 42 are electrically connected, by means of connectors not shown, to a wired connection 44.
  • the wired connection 44 makes it possible to supply the electronic card and the motor electrically via the control module.
  • a not shown cavity is provided in the head 2 for the passage of the wired link 44.
  • the actuator 1 comprises, in addition to the motor 50, a brake 51 and a gearbox 52.
  • the elements 50, 51 and 52 form with the shaft 4 a kinematic chain driving the wheel 6 located inside the tubular body 3.
  • the reducer is epicyclic type and comprises several stages of reduction.
  • the brake is, for example, a spring-type brake, as described in the patents EP-B-2267330 or EP-B-2230415 .
  • the actuator 1 also comprises a device for generating a transient obstacle, represented by the reference 53.
  • the device for generating an obstacle transient is included in the brake 51 on the figure 1 , which is therefore arranged upstream of the gearbox 52. It could alternatively be included in another element of the kinematic chain between the head 2 of the actuator and the output shaft 4 or between two elements of this kinematic chain having between them a game of operation.
  • the transient obstacle device 53 could be made in the manner of an accessory, which could be mounted between the head of the actuator 2 and the attachment 8 attachment to the frame.
  • the Figures 2 to 7 provide a simplified schematic representation of the various moving parts during a displacement of the load constituted by the windable element 10 and represented by the black square.
  • the obstacle generating device 53 comprises a friction drum 59 in which an input piece 60 and an outlet piece 70 are housed.
  • the parts 60 and 70 therefore also belong to the kinematic chain mentioned above.
  • the input piece 60 comprises a central portion 61 extending axially along the axis XX 'thereof having two bumps 62-1 and 62-2 on its outer radial surface, these bumps being substantially opposite diametrically with respect to the axis XX 'with a slight shift of the two bumps on the same side of the diameter, and symmetrical in a plane perpendicular to the diameter in question.
  • each boss comprises a radial surface with respect to the axis XX 'and a surface inclined with respect to this axis.
  • each cam comprises a rounded surface and a rectilinear surface.
  • the cams 72-1 and 72-2 cooperate or not with the bumps 62-1 and 62-2 in the direction of rotation of the input piece 60 vis-à-vis the output piece 70.
  • Each bump cooperates so with a cam and the device 53 is symmetrical in that it can operate for an actuator 1 mounted on the right as on the left of a window frame for which, depending on the mounting side, the directions of rotation corresponding to the ascent and descent are reversed.
  • the figure 2 represents a load movement situation 10 driven upwards, or driven, as represented by the arrow F3.
  • the central input piece 60 rotates in the direction of the arrow R3 and drives the outlet piece 70 by cooperation of the activation tabs 64-1 and 64-2 with the edges of the housings 74-1 and 74-2 of the exit room.
  • the bumps 62-1 and 62-2 and the cams 72-1 and 72-2 do not come into contact.
  • the input part 60 maintains the load 10 by blocking the outlet part 70, in particular through the brake 51 which is not visible in this figure.
  • the actuator When a descent order is given, the actuator at least partially releases the brake 51 and the load 10 becomes driving, or driving, moving downwards, in the direction of the arrow F4.
  • the outlet piece 70 then rotates in the direction of the arrow R4, the opposite of that of the arrow R3, by driving the input piece 60 through the activation tabs.
  • the load 10 descends in the direction of the arrow F4 and the motor 50 generates a load retaining torque 10 through the drive train.
  • the two input and output parts do not move relative to each other.
  • the bumps and cams are in their so-called initial configuration, without contact between them. This situation is represented by the figure 4 .
  • the activation tabs 64-1 and 64-2 move in rotation inside the housings 74-1 and 74-2 and the bump 62-1 comes back, radially relative to the axis X-X ', the corresponding cam 72-1 towards the drum 59, in the direction of the arrow F1, while the other cam 72-2 is tilted in the direction of the arrow R2 by the boss 62-2, without touching the drum.
  • the pushed cam 72-1 rubs against the drum 59 as shown in FIG. 5, which slows down the rotation of the outlet piece 70.
  • the pushed cam 72-1 thus creates a temporary obstacle or CLOC to the movement of the workpiece. exit 70.
  • the friction force generated between the cam 72-1 and the drum 59 is transient, since it is present only when the boss 62-1 pushes the cam in the direction of the arrow F1. This effort opposes the transmission of movement between the parts 60 and 70 since it brakes the part 70.
  • the temporary appearance of the friction force caused by the cam 72-1 pushed back can be detected by a measurement of the torque C to be generated by the motor 50 to drive the parts 60 and 70.
  • the detection of the particular signature of this couple as represented in figure 8 it is possible to deduce therefrom an engine stop command S 50.
  • This analysis is carried out by the control means 41 which are capable of determining the torque generated by the motor 50 from, in particular, the current and the voltage of the motor. supply that precisely delivers the module 40 or variations thereof.
  • the figure 8 shows schematically the torque curve C as a function of the time t seen by the motor 50, while the torque at the output of the actuator 1 varies around a zero value, during the passage of the temporary obstacle element .
  • the periods P0 and P5 correspond to the torque C when the obstacle elements, namely the set of cams 72-1 and 72-2, are not solicited.
  • the period P1 represents the beginning of the friction of a cam against the drum, when one of the cams is to be repelled by the passage of the corresponding bump.
  • Period P2 represents the friction created by maintaining the cam in the direction of the drum throughout the passage of the bump.
  • the periods P3 and P4 show the return to a rest position of the cam following the passage of the bump beyond the cam, taking into account the inertia of the engine, which provided a given torque for the crossing of the cam. transient obstacle, returns to a pair of equilibrium represented by the value C 0 at the figure 8 .
  • the means 41 determines whether a transient resistant force has been and / or is generated by one of the cams 72-1 and 72-2, that is, if a temporary obstacle was encountered and / or crossed during the lowering of the load 10.
  • the actuator 1 is controlled to generate a retaining torque of the parts 60 and 70, allowing movements in the direction of the arrows F4 and R4.
  • the cam 72-1 reaches the drum 59, as shown in FIG. figure 5 .
  • the driving of the parts 60 and 70 imposes to increase the torque delivered by the motor 50. This increase takes place until reaching a maximum torque C 1 , at the end of the period P 1 , then applying a bearing torque C 2 over the period P2.
  • the bearing torque C 2 which is a transient drive torque used to react to the transient force resulting from the friction of the cam 72-1 against the drum 59.
  • This transient drive torque C 2 can be detected by means of to the means 41.
  • the load 10 becomes catchy again.
  • the output piece 70 is again driven and recreates a game with the input piece 60.
  • the bumps and cams then resume their initial configuration, so as to have the same behavior on the rest of the downward movement. During this movement which takes place out of control of the behavior of the motor 50, the possible friction of one of the cams 72-1 and 72-2 against the drum 59 is not analyzed.
  • the next movement is a climbing movement, which also comes to replace the bumps and cams in their initial configuration, as shown in FIG. the figure 7 .
  • the obstacle generating device 53 is in fact rearmed, in that the load 10 is lifted in the direction of the arrow F6, by means of a rotation of the driving part 60 in the direction of the arrow R6, around the X-X 'axis.
  • the cam 72-2 comes into contact with the drum 59, which induces a transient resistant force for the same reasons as those explained above. This induces the generation of a transient drive torque, comparable to the torque C 2 , but it is not taken into account to determine that an obstacle has been encountered because it is there in a regime operation not established .
  • This embodiment is based on a transient obstacle generation device 53 coupled with a spring brake 51.
  • This embodiment is advantageous, since it makes it possible to pool certain parts of the brake 51 and the device 53 for generating obstacle, such as the entrance piece or the drum.
  • the elements of the second obstacle generating device similar to those of the first bear the same references.
  • the figure 9 shows an exploded view of a braking and detection assembly comprising the brake device 51 and the obstacle generating device 53.
  • This assembly comprises a drum 59 common to the two devices 51 and 53.
  • a plate 110 corresponds to the part brake plate 51 and is rotated by the motor 50.
  • the plate 110 supports the spring brake 51 and also a butterfly 70A actuating the coil spring 120 of the brake 51.
  • the butterfly 70A constitutes the output member 51.
  • the brake 51 is as explained in the patent EP-B-2267330 or EP-B-2230415 .
  • the butterfly valve 70A comprises a central output shaft 71 as well as lateral lugs 78-1 and 78-2 enabling it to act on the lugs of the helical spring 120, one of these lugs being visible at the figure 9 with the reference 122.
  • the throttle 70A is driven by the load seen from the brake, especially in the case of a driving load, when the weight of the roller shutter or weighted load bar causes the unwinding of the shutter, the engine being driven.
  • the brake 51 also comprises a cover 63, coupled to the plate 110 by screws 65 represented by their center lines and which are engaged in tappings formed in blocks 115, themselves integral with the plate 110 and arranged radially at the end of FIG. Inside the spring 120.
  • the plate 110 and the cover 63 are integral in rotation about the axis XX 'and together constitute an input part 60 common to the devices 51 and 53.
  • the cover 63 holds the brake parts 51 axially. It is in the form of a plate comprising an axial extension 61, directed away from the plate 110 and surrounding the output central shaft 71 of the throttle valve 70A.
  • the axial extension is provided with a first bump 62-1 and a second bump 62-2 on its outer surface, these bumps being substantially opposite diametrically, with a slight offset of the two bumps on the same side of the diameter, and symmetrical in a plane perpendicular to the diameter in question.
  • Each boss comprises a first flat surface 62-3, substantially perpendicular to the axial extension 61 and radial relative to the axis X-X ', and a second inclined surface 62-4.
  • a cam ring 70B driven without play in rotation by the butterfly 70A.
  • the ring 70B is fixed by any known means on the throttle valve 70A, for example fixed in rotation on the central shaft 71 of the throttle valve 70A by means of flats.
  • the elements 70A and 70B together constitute an outlet piece 70 for the devices 51 and 53.
  • cam ring 70B is capable of a rotation movement of limited amplitude relative to the input piece.
  • the lateral lugs 78-1 and 78-2 of the butterfly 70 can rotate about the axis X-X ', radially inside the spring 120, in an angular movement limited by the blocks 115.
  • a first cam 72-1 and a second cam 72-2 are mounted with the possibility of displacement in translation and in rotation.
  • the cams are provided with a first flat surface 72-3 and a second rounded surface 72-4, cooperating respectively with the surfaces 62-3 and 62-4 of the bumps, according to the direction of rotation of the entry piece. 60 or the outlet piece 70.
  • a third friction surface 72-5 joins the other two surfaces, so that each cam has a generally triangular shape.
  • the cams are returned to the rest position by return springs 75-1 and 75-2, themselves bearing on abutments 75-3 and 75-4 rigidly mounted on the ring 70B and visible to the figures 10 and 11 .
  • Each cam 72-1 and 72-2 is provided with two pins 72-6 which are engaged in grooves 70-6 of the ring 70B, with a possibility of translation in the direction of arrows F1 and F2 and rotation in the direction of the arrows R1 and R2.
  • the ring 70B also carries a first elastic blade 76-1 and a second elastic blade 76-2, which are held on the ring 70B, at one of their ends.
  • the free end 76-3 of the resilient blades is rounded outwardly, thus forming a friction surface against the drum 59 when the blade is pushed aside towards this one. At rest, the elastic blades are spaced apart from the drum, without contact therewith.
  • Each boss 62-1 or 62-2 cooperates with a cam 72-1 or 72-2.
  • a cam is either pushed by the corresponding boss, radially towards the drum, in the direction of the arrows F1 or F2, thus creating a friction and therefore an obstacle to movement, while the other is simply tilted in the direction of the arrow R1 or R2, to release the passage of the corresponding bump.
  • a cam 72-1 or 72-2 when it is pushed radially, comes into contact with one of the elastic blades 76-1 or 76-2, which itself comes to rub against the drum 59 by its rounded end.
  • the rotation of the input piece 60 has brought the bumps and the cams into contact.
  • the first cam 72-1 contacted the first bump 62-1 by their respective flat surfaces 72-3 and 62-3.
  • the first cam has tilted about its axis of rotation in the direction of the arrow R1. It does not come into contact with the drum 59, nor with the first elastic blade 76-1.
  • the second cam 72-2 and the second bump 62-2 slid translationally relative to each other because their inclined surfaces 62-4 and 72-4 were vis-à-vis during the rotation.
  • the second cam has slid radially outwardly relative to the axis X-X ', towards the inner wall of the drum in the direction of the arrow F2.
  • the second cam is in contact with the second elastic blade 76-2, whose rounded end 76-3 rubs against the inner radial surface of the drum.
  • the figure 11 shows the cams and bumps when they return to their original configuration. None of the two cams no longer press on the corresponding elastic blade, the friction between the latter and the drum is over. The obstacle created by the support of one of the elastic blades on the drum is therefore a transient obstacle, which takes place only at the moment of the passage of the bumps at the cams.
  • This device makes it possible to very accurately detect an obstacle, due to the induced change in driving or driving load at driven or driven load.
  • the reducer which is highly irreversible brakes itself and triggers the generation of an obstacle, earlier than in the first case where the reducer is rather irreversible.
  • the response of the motor is also faster to provide a driving torque, this torque being greater than in the first case to compensate for the poor performance.
  • the transition from a driving load situation to a conducted load situation is detectable earlier and more easily in the second case than in the first case.
  • the actuator can even anticipate the transition to zero load.
  • the obstacle generating device 53 upstream of the gearbox 52, that is, closer to the engine 50.
  • the obstacle generating device 53 is near the motor 50, compared to the reduction stages, the earlier it will detect the passage at zero load, because of the accumulation of reduction stages between the load and the obstacle generating device 53 and therefore the increased irreversibility of the gearbox 52.
  • the actuator may comprise several transient obstacle generation devices placed at different locations along the kinematic chain.
  • each transient obstacle generating device may comprise different transient obstacle elements for the same direction of movement. The detection of the charge-driven driving charge passage will then be done not on the detection of the crossing of a temporary obstacle, but on a more complex signature of the torque seen by the actuator, corresponding to the crossing of the various obstacles, in particular with different crossing thresholds.
  • the two cams 72-1 and 72-2 make it possible to create a transient force respectively when the motor 50 drives the wheel 6 in a first direction or in a second direction.
  • the cam 72-1 is active in the configuration of the figure 5 due to the rotation of the input piece 60 in the direction of the arrow R5, which is the same as that of the arrow R4.
  • the cam 72-2 would be active in the case of rotation in the opposite direction. It is the same for the two cams of the second embodiment shown.
  • each obstacle element in the example formed by a cam 72-1 or 72-2, is internal to the actuator 1.
  • the transient force is generated by a transient movement or movement of the obstacle element inside the actuator, in particular by an interaction, such as friction, of the obstacle element with an internal part of the actuator, such as the drum 59, which is different from the outlet part 70.
  • the obstacle element can not be external to the actuator 1; in particular, it can not be an obstacle on the stroke of the mobile screen formed by the windable element 10.
  • several obstacle elements of the type of the cams 72-1 and 72-2 may be provided, these different obstacle elements being active in each direction of movement.
  • the invention is described above and shown in the figures in the case where the input piece 60 and the outlet piece 70 are movable relative to each other in a rotational movement of limited amplitude. It is also applicable in the case where these parts are movable relative to each other in a translational movement.
  • transient force is understood as a force disappearing when the movement between the input piece and the output piece continues in the same direction.

Claims (15)

  1. Elektromechanisches Betätigungselement (1) für die motorisierte Steuerung eines beweglichen Schirms (10), wobei das Betätigungselement umfasst einen Motor (50), der eine Bewegung (R3, R4) an eine kinematische Kette liefert, die mindestens ein Getriebe (52), eine Welle (4) zur Übertragung der von dem Motor gelieferten Bewegung, ein Eingangsteil (60) und ein Ausgangsteil (70), die zueinander über einen begrenzten Weg beweglich sind, umfasst, wobei das Betätigungselement dadurch gekennzeichnet ist, dass es umfasst:
    - eine Vorrichtung (53) zur Erzeugung einer Hemmung, die mindestens ein Hemmelement (72-1, 72-2) aufweist und die mindestens eine Übergangskraft erzeugt, wenn der Motor (50) den beweglichen Schirm (10) antreibt, wobei diese Übergangskraft sich der Übertragung der Bewegung zwischen dem Eingangsteil und dem Ausgangsteil entgegenstellt und die Erzeugung eines Übergangsantriebsdrehmoments (C2) als Reaktion induziert, wohingegen das Drehmoment am Ausgang des Betätigungselements (1) bei dem Durchgang des Hemmelements um einen Wert Null herum variiert, und
    - ein Mittel (41) zur Detektion der entgegenstehenden Übergangskraft durch Detektion des Drehmoments (C) am Ausgang des Betätigungselements (1).
  2. Betätigungselement nach Anspruch 1, dadurch gekennzeichnet, dass das Hemmelement (72-1, 72-2) die Übergangswiderstandskraft bei einem Lastzustand im Wesentlichen Null erzeugt, insbesondere bei dem Übergang vom treibenden Lastzustand in den getriebenen Lastzustand.
  3. Betätigungselement nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das Hemmelement (72-1, 72-2) die Übergangswiderstandskraft erzeugt, indem es sich zwischen einer ersten Position, in der es nicht die Übertragung der Bewegung zwischen dem Eingangsteil (60) und dem Ausgangsteil (70) beeinflusst, und einer zweiten Position, in der es das Ausgangsteil bremst, bewegt (F1, F2).
  4. Betätigungselement nach Anspruch 3, dadurch gekennzeichnet, dass die Bewegung (F1, F2) des Hemmelements (72-1, 72-2) zwischen seiner ersten Position und seiner zweiten Position gemäß einer radialen Richtung in Bezug auf eine Drehachse (X-X') der Übertragungselle (4) stattfindet.
  5. Betätigungselement nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass die Vorrichtung (53) zur Erzeugung einer Hemmung in einem Element (51) der kinematischen Kette, insbesondere stromaufwärts zum Getriebe (52) und/oder in einem Zusatzteil, das am Ausgang des Betätigungselements (1) auf der Übertragungswelle (4) angeordnet ist, eingeschlossen ist.
  6. Betätigungselement nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass das Mittel zur Detektion der Übergangswiderstandskraft Bestandteil eines Elements (41) zur Detektion eines Betriebsparameters des Motors (50) ist.
  7. Betätigungselement nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Mittel (41) zur Detektion der Übergangswiderstandskraft entlang der kinematischen Kette in Bezug auf den Motor (50) versetzt ist.
  8. Betätigungselement nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass es mindestens zwei Hemmelemente (72-1, 72-2) umfasst, die angepasst sind, jeweils eine Übergangswiderstandskraft gegen die Übertragung der Bewegung zwischen dem Eingangsteil (60) und dem Ausgangsteil (70) jeweils in eine erste Richtung (R3) und eine zweite Richtung (R4) zu erzeugen, wobei die zwei Hemmelemente (72-1, 72-2) vorzugsweise in einer selben Ebene senkrecht zu einer Längsachse (X-X') des Betätigungselements angeordnet sind.
  9. Betätigungselement nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass es mehrere Hemmelemente (72-1, 72-2) umfasst, die in jeder Bewegungsrichtung aktiv sind.
  10. Betätigungselement nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass es mehrere Vorrichtungen (53) zur Erzeugung einer Hemmung umfasst, die an unterschiedlichen Stellen entlang der kinematischen Kette angeordnet sind.
  11. Betätigungselement nach einem der vorhergehenden Ansprüche,
    dadurch gekennzeichnet, dass es Mittel (75-1, 75-2) zur Rückstellung des Übergangshemmelements (72-1, 72-2) in eine Ausgangsposition umfasst, in der es geeignet ist, erneut eine Übergangswiderstandskraft zu erzeugen, die die Übertragung der Bewegung zwischen dem Eingangsteil (60) und dem Ausgangsteil (70) ohne eine zwangsläufige Erzeugung einer neuen Übergangswiderstandskraft bei dem Zurückkehren des Hemmelements in die Ausgangsposition modifiziert.
  12. Schließ- oder Sonnenschutzanlage (100) mit einem Abdeckschirm (10) und einem elektromechanischen Betätigungselement (1) nach einem der vorhergehenden Ansprüche für den Antrieb dieses Schirms.
  13. Verfahren zur Steuerung der Funktionsweise eines Betätigungselements (1), das vorgesehen ist, die Bewegung eines beweglichen Abdeckschirms (10) zu steuern, wobei das Betätigungselement einen Motor (50) umfasst, der eine Bewegung (R3, R4) an eine kinematische Kette liefert, die mindestens ein Eingangsteil (60) und ein Ausgangsteil (70) umfasst, die zueinander auf einem begrenzten Weg beweglich sind, wobei dieses Verfahren dadurch gekennzeichnet ist, dass es mindestens die Schritte umfasst, die darin bestehen:
    a) - ein Rückdrehmoment zu erzeugen, das ermöglicht, das bewegliche Element als treibende Last (10) zu halten,
    b) - ein Übergangsantriebsdrehmoment (C2) in Reaktion auf eine Übergangswiderstandskraft zum Antreiben des Eingangsteils (60) und des Ausgangsteils (70) zu erzeugen,
    c) - das Übergangsantriebsdrehmoment zu detektieren,
    d) - einen Übergang einer treibenden Last zu einer angetriebenen Last zu bestimmen, wenn das Übergangsantriebsdrehmoment einen Wert Null annimmt, nachdem es einen Wert (C2) von nicht Null angenommen hatte.
  14. Verfahren zur Steuerung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass es einen zusätzlichen Schritt umfasst, der darin besteht:
    e) - ausgehend von dem Übergang der treibenden Last in die getriebene Last die Tatsache, dass durch den Abdeckschirm (10) ein Hindernis getroffen wird, oder eine der kinematischen Kette (4, 50, 51, 52) zugeordnete Drehrichtung zu bestimmen.
  15. Verfahren zur Steuerung nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass es einen zusätzlichen Schritt umfasst, der darin besteht:
    f) - die Detektion des Übergangsantriebsdrehmoments, insbesondere während der Funktionsweise bei nicht stationärem Betriebszustand zu ignorieren.
EP13198058.3A 2012-12-19 2013-12-18 Elektromechanisches Stellglied, Schließ- oder Sonnenschutzanlage, die ein solches Stellglied umfasst, und Verfahren zum Steuern eines solchen Stellglieds Active EP2746526B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1262335A FR2999640B1 (fr) 2012-12-19 2012-12-19 Actionneur electromecanique, installation de fermeture ou de protection solaire comprenant un tel actionneur et procede de controle d'un tel actionneur

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FR3024176B1 (fr) * 2014-07-25 2016-08-05 Somfy Sas Procede de controle d'un actionneur d'enroulement, actionneur d'enroulement configure pour un tel procede et installation de fermeture ou de protection solaire comprenant un tel actionneur
WO2018200978A2 (en) 2017-04-28 2018-11-01 Lutron Electronics Co., Inc. Window treatment mounting bracket
FR3072116B1 (fr) * 2017-10-10 2019-11-08 Somfy Activites Sa Actionneur electromecanique tubulaire et installation domotique comprenant un tel actionneur
FR3072119B1 (fr) * 2017-10-10 2019-11-08 Somfy Activites Sa Actionneur electromecanique tubulaire et installation domotique comprenant un tel actionneur
FR3108459B1 (fr) 2020-03-20 2022-04-01 Somfy Activites Sa Procédé de détection d’un obstacle, actionneur électromécanique et installation de fermeture ou de protection solaire

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FR2671582B1 (fr) * 1991-01-14 1993-04-16 Simu Mecanisme de securite pour dispositifs de fermeture a commande electrique du type des volets roulants et similaires.
DE4440449C2 (de) * 1994-11-14 1997-06-12 Elero Antrieb Sonnenschutz Verfahren und Vorrichtung zur Stillstandssteuerung von elektromotorisch betriebenen Rolläden oder dergleichen
DE19706209B4 (de) * 1996-11-09 2004-05-06 Becker-Antriebe Gmbh Vorrichtung zur Steuerung, insbesondere Endabschaltung einer motorischen Antriebsvorrichtung einer Wickelwelle eines Rolladens, Garagentors o. dgl.
WO2002068786A1 (en) * 2001-02-28 2002-09-06 Vkr Holding A/S Screening device and drive means for the screening device and method of manual operating the screening device and a mounting for the screening device
ITTV20050169A1 (it) * 2005-11-07 2007-05-08 Nice Spa Dispositivo di sicurezza per avvolgibili, tende solari, cancelli o simili.
EP2167776B1 (de) * 2007-06-07 2010-09-08 VKR Holding A/S Wickelwelle mit Rohrmotor und elektronischem Bewegungssensor
ITVE20070089A1 (it) * 2007-11-26 2009-05-27 Master S R L Unipersonale Modulo adattatore con molle di compensazione per motori tubolari idonei alla movimentazione di dispositivi di protezione ambientale.
FR2943379B1 (fr) 2009-03-17 2011-04-08 Somfy Sas Frein a ressort pour actionneur d'entrainement d'un ecran domotique et actionneur equipe d'un tel frein
FR2946997B1 (fr) 2009-06-23 2011-07-08 Somfy Sas Actionneur electrique d'entrainement d'un ecran domotique
CN201658218U (zh) * 2010-03-09 2010-12-01 芜湖超越机械设备有限公司 一种电动窗帘的驱动装置
FR2975426B1 (fr) * 2011-05-17 2018-03-02 Somfy Sas Tete d'actionneur electromecanique de manoeuvre d'un element enroulable

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FR2999640B1 (fr) 2015-06-05
CN103883244B (zh) 2017-04-12
EP2746526A1 (de) 2014-06-25
CN103883244A (zh) 2014-06-25

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