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EP2808479B1 - Method and device for actuating a mobile closure, concealment, solar protection or screen element - Google Patents

Method and device for actuating a mobile closure, concealment, solar protection or screen element Download PDF

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Publication number
EP2808479B1
EP2808479B1 EP14170078.1A EP14170078A EP2808479B1 EP 2808479 B1 EP2808479 B1 EP 2808479B1 EP 14170078 A EP14170078 A EP 14170078A EP 2808479 B1 EP2808479 B1 EP 2808479B1
Authority
EP
European Patent Office
Prior art keywords
threshold
overshoot
stressing
actuator
discontinuity
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
EP14170078.1A
Other languages
German (de)
French (fr)
Other versions
EP2808479A1 (en
Inventor
Benjamin Desfossez
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 SA
Original Assignee
Somfy SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Somfy SA filed Critical Somfy SA
Priority to PL14170078T priority Critical patent/PL2808479T3/en
Publication of EP2808479A1 publication Critical patent/EP2808479A1/en
Application granted granted Critical
Publication of EP2808479B1 publication Critical patent/EP2808479B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E06B9/80—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
    • 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
    • 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
    • E05Y2400/30—Electronic control of motors
    • E05Y2400/31—Force or torque control
    • E05Y2400/315—Curve setting or adjusting
    • 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
    • E05Y2400/32—Position control, detection or monitoring
    • E05Y2400/35—Position control, detection or monitoring related to specific positions
    • E05Y2400/354—End positions
    • 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
    • E05Y2400/45—Control modes
    • E05Y2400/456—Control modes for programming, e.g. learning or AI [artificial intelligence]
    • 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
    • E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
    • 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
    • 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
    • E05Y2900/13—Type of wing
    • E05Y2900/146—Shutters
    • 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
    • E06B2009/885—Braking mechanism activated by the bottom bar

Definitions

  • the invention relates to a method for actuating a movable closing element, occultation, sun protection or screen, under the action of a driving torque provided by an actuator, the movable element being able to be operated in two distinct directions. It also relates to a device for actuating the movable element.
  • the document FR 2 816 465 represents the prior art closest to the object of the present invention.
  • the movable element may be a rolling element, for example a shutter, a sunscreen or a projection screen.
  • the movable element may be driven by an actuator in a first or a second direction, for example in a winding direction or in a direction of unwinding, between two extreme stops, said low and high.
  • the upper stop position corresponds to a raised or wound up position, in which the movable element is housed, almost completely, in a box, and the lower position of stopping, in an extended position, or unwound, end position. race.
  • These positions correspond in particular to the position of a shutter blade, for example a final blade.
  • a roller shutter consisting of a set of juxtaposed blades, including a first blade attached to a winding tube housed in the box and a last free end blade or final blade.
  • At least one stop finger is generally provided on the final blade, positioned for example on the front face of the shutter.
  • the finger of the final blade abuts against the box, in particular because it is larger than a longitudinal slot formed in the box and through which the flap enters the box.
  • the shutter reaches high abutment. This has the effect of sharply increasing the driving torque provided by an actuator of the actuating device.
  • the actuator When the torque or a variation of the torque exceeds a predefined threshold, the actuator is stopped. When the flap is lowered to the end-of-stroke position, the last blade abuts against a stop surface, for example a window sill. This likewise causes an increase in the drive torque supplied by the actuator and, on detection of a threshold overshoot, a shutdown of the actuator.
  • a stop surface for example a window sill.
  • a de-stressing function can be planned. This function consists, following the detection of a threshold exceeding by the torque or by a variation of the driving torque supplied by the actuator in one of the two drive directions, to provide a driving torque in the other direction for a predefined duration. This duration is for example 100 ms and set at the factory during the manufacture of the actuating device.
  • An actuating device must be adapted for use with a wide variety of moving elements and associated boxes, which can be designed with materials of different qualities.
  • the movable elements and the boxes may have a greater or lesser elasticity.
  • the longitudinal slot of the box, through which the flap penetrates into the box it is particularly flexible and weakened in the area of contact with the stop finger. This may result in a lack of effectiveness of the de-stressing function.
  • the applied de-stressing time may be insufficient to completely eliminate the mechanical stresses induced by the abutment. In the long run, the box can remain deformed.
  • the present invention improves the situation.
  • the de-stressing value is a spatial or temporal value.
  • the de-stressing value is a duration greater than or equal to the duration between the detections of discontinuity and threshold exceeding.
  • the duration of de-stressing is equal to the time elapsed between the detections of discontinuity and threshold overshoot, plus a duration of reactivity of a chain of elements intended to cooperate to drive the movable element in the second direction. , following the detection of the exceeding of the threshold.
  • a set of elements cooperates to, in response to this exceeding of threshold, in the second direction to cause the movable element, possibly after a stop momentary of it.
  • the invention takes into account this reaction time between the exceeding of threshold and the stopping or driving in the second direction of the movable element, to evaluate the de-stressing time.
  • the de-stressing value is a distance at least equal to a difference in position of the mobile element between the detections of discontinuity and threshold overshoot.
  • the stress-relieving value is an angular magnitude at least equal to a variation of the angular position of the actuator between the detections of discontinuity and threshold overshoot.
  • the de-stressing step comprises stopping the actuator before driving the movable element in the second direction.
  • the threshold is adapted to allow the detection of one of the situations of a group comprising: an abutment of the movable element in the deployed position, an abutment of the movable element in the raised position and a blocking the movable element by an obstacle.
  • the operating parameter is a torque, respectively a speed, the exceeding of the threshold being an overshoot of an upward torque threshold, respectively an exceeding of a speed threshold downward.
  • the operating parameter is an evolution slope of a torque or speed, the exceeding of the threshold being an overshoot of a threshold slope.
  • the invention also relates to a home automation installation comprising a device as previously defined and a movable element for closing, concealment, sun protection or screen.
  • the actuating device 1 represented on the figure 1 is intended to set in motion a movable element 2, for example a shutter. It comprises an actuator 3, represented in dotted lines, comprising in particular a control signal receiver 4 and an electronic control module 5.
  • the receiver 4 is adapted to communicate with one or more transmitters of control signals 6, here by a wireless link.
  • Each transmitter 6 includes a control user interface. This includes for example buttons for controlling an upward or downward movement of the movable member 2, or a stop thereof.
  • the movable element 2 comprises an apron 22 composed of a number N of blades 20 1 , 20 2 ,..., 20 N of which an initial blade 20 1 , appearing on the figure 2 attached to a winding tube 8 and a final blade 20 N.
  • the winding tube 8 of the apron 22 is in the form of a cylinder and situated inside a housing casing 7. The latter comprises in particular on a lower face, a longitudinal slot (not shown), through which passes the apron 22.
  • the actuator 3, the control receiver 4 or the electronic module 5 can be distinctly integrated or not in a housing of the actuator 3 and therefore positioned inside or outside the box 7.
  • a stop 21 is fixed on the final blade 20 N , for example on the front face, facing outwardly of the building equipped with this flap.
  • the apron 22 of the movable element 2 can be wound around the winding tube 8, by the actuator 3, between a low unwound stop position P B and a high rolled stop position P H. These positions P B and P H correspond in particular to the positions reached by final blade 20 N at the end of movement associated with a descent order, mounted respectively.
  • the wound position P H the apron 22 is wound almost completely around the winding tube 8 and housed in the casing 7, the abutment 21 bearing against the casing 7 or slightly recessed from the casing 7.
  • the apron 22 is unwound, or deployed, and here extends vertically, the final blade 20 N being in abutment against an abutment surface formed, for example, by a window sill.
  • the actuator 3 shown in dotted lines, is housed in the casing 7, inside the winding tube 8. It comprises an electric motor 30, in particular an asynchronous motor, to which a gearbox 31 and a brake 32 are connected, as represented on the figure 2 . These various elements 30-32 are connected to the electronic control module 5. The role of the motor 30 is to rotate the winding tube 8 about its longitudinal central axis in two directions, winding and unwinding respectively, so as to wind or unroll the deck 22 of the movable member 2. In addition, the actuator 3 is connected to a power source (not shown).
  • the receiver 4 is intended to receive radio control signals transmitted by a transmitter 6 to control upward or downward movement or a stop of the mobile element 2.
  • the received control signals are transmitted by the receiver 4 to the electronic control module 5 which controls the actuator 3 accordingly to move or stop the movable element 2.
  • the electronic control module 5 comprises a processing unit 51, a unit 52 for detecting and controlling the actuator 3, a de-stressing unit 53, a parameterization unit 54, a storage memory 55, and a central processing unit.
  • control 50 to which the various elements 51-54 of the module 5 are connected and intended to control the operation of these elements.
  • the units 51-54 are elements, or submodules, of the electronic module 5 which are here software and include software instructions for controlling the execution of the method of actuating the movable element, as described below, when these instructions are executed by the central control unit 50.
  • the motor 30 integrates a capacitor (not shown), whose terminal voltage is representative of an operating parameter of the actuator 3.
  • the operating parameter of the actuator 3 observable by a measurement of the voltage at the terminals of the motor capacitor is the torque supplied by the motor 30 and applied to the movable element 2, or the instantaneous variation of this torque (in other words the variation slope of the motor torque).
  • An electronic circuit is provided for measuring this voltage across the motor capacitor and transmitting the measured voltage signals to the processing unit 51. In operation, the processing unit 51 receives as input a measured voltage value across the capacitor.
  • the motor and processes these signals to provide the detection unit 52 and the parameterization unit 54 with data representative of the evolution of the driving torque or the evolution of an instantaneous variation of the driving torque (that is to say, the evolution of the torque variation slope) as a function of the deck height 22 not rolled up.
  • data can form a curve such as that represented on the figure 3 .
  • the figure 3 represents, by way of illustrative example, a variation curve of the torque supplied by the actuator 3 as a function of the remaining deck height 22, when of a winding of the movable element 2.
  • the engine torque delivered, noted T is represented on the ordinate, in Nm (Newton meter), and the deck height 22 remaining to be wound is represented in abscissa, in meter (m) .
  • the points P and B P H respectively correspond to the unwound lower position and the upper wound position of the deck 22 of the movable member 2, reached after an order of descent, respectively mounted.
  • the actuator 3 Starting from the low unwound position P B for which the driving torque T applied to the movable member 2 is zero, the actuator 3 provides a winding torque for winding the apron 22 around the winding tube 8 This torque T increases to a maximum value Tmax, represented by a point A, then decreases to a minimum value Tmin.
  • the point A corresponds to an intermediate position suspended from the movable element 2, in which the final blade 20 N has traveled a part of the path between the low unwound position P B and the raised high position P H.
  • the wound up position P H corresponds to the de-stressed stop position of the movable element 2, reached once the final blade 20 N has come into abutment against the casing 7 and after de-stressing.
  • the torque T increases abruptly until it reaches the critical threshold TSH, beyond which the motor 30 is stopped and then the triggered de-stressing.
  • the threshold TSH is represented by a point B on the curve.
  • the final blade 20 N has then reached a position PB H , located beyond the high position P H , before the flap is returned to the P H position.
  • the detection and control unit 52 (or “detector” or “actuator control sensor”) has the role of detecting whether the torque (or an instantaneous variation of the driving torque) supplied by the motor 30 exceeds the predefined TSH critical threshold (or the threshold slope P_TSH) and, in the event of detection of a threshold overshoot, to command a shutdown of the engine 30 and to inform the de-stressing unit 53 thereof.
  • the de-stressing unit 53 or control unit of the actuator, its role is to control a de-stressing action of the actuator.
  • de-stressing action is meant a steering action of the actuator for driving the movable element 2 in a second direction opposite to the first direction preceding the exceeding of the threshold and the engine stop triggered by the overrun threshold, to bring the movable member 2 in a de-stressed stop position corresponding to the wound up position P H.
  • the de-stressing action aims to reduce the mechanical stresses induced by the abutment of the movable member 2 just before stopping the engine.
  • the de-stressing stroke that is to say the path of the movable element 2 in the second direction to the de-stressed stop position, is less than the total stroke of the movable element 2. More precisely, this is a partial race that should generally not exceed 20% of the total race. Note that the de-stressed stop position is close to the position of the movable element when the engine stops caused by the exceeding of the threshold (TSH or P_TSH here) corresponding to the abutment.
  • TSH threshold
  • the unit 53 is intended to control a reversal of the driving torque of the motor 30 so that that the motor 30 provides, here for a predetermined duration ⁇ , said de-stressing time, a drive torque in a direction opposite to the drive direction preceding the motor stop and thus causes the movable element 2 to its position de-stressed stop corresponding to the high wound position P H.
  • the parameterizing unit 54 is a unit for configuring a de-stressing parameter (that is to say for controlling the actuator), which is intended to parameterize or configure a de-stressing value.
  • de-stressing value is meant defining a value of a so-called “de-stressing” parameter making it possible to define a stopping position of the moving element after de-stressing, that is to say after having been dragged into the second direction (opposite to the first direction of training preceding the threshold crossing).
  • the de-stressing value is a time value, that is to say a duration during which the motor must be driven in the second direction.
  • the parameterization unit 54 comprises a unit 541 for evaluating a de-stressing value defining the de-stressed stop position (or substantially this de-stressed stop position) and a unit 542 for setting the de-braiding value.
  • the parameterization value is a time value, namely a de-stressing time ⁇ .
  • This de-stressing time ⁇ is determined as a function of an estimated time of evolution of the driving torque (or of an instantaneous torque variation) supplied by the actuator 3, between the discontinuity D and the threshold overshoot TSH as will be explained in the following description of the process.
  • the term “discontinuity” and “overshoot” here refers to the moment of detection of the discontinuity D and the time of detection of the threshold overshoot TSH (or P_TSH).
  • the method comprises a parameterizing step E0, for setting here the de-stressing duration ⁇ adapted to the moving element 2.
  • This de-stressing time ⁇ is the duration during which, following a motor stop 30 caused by exceeding the threshold TSH by the motor torque (or by exceeding the threshold slope P_TSH by the instantaneous variation of the motor torque), the actuator 3 must provide a drive torque in the opposite direction to the drive direction preceding the engine stop to unwind the movable element 2.
  • the processing unit 51 transmits to the parameterization unit 54 data on the evolution of the driving torque supplied by the motor 30 (or an instantaneous variation of this driving torque ).
  • the parameterization unit 54 detects a discontinuity D (substantially at the point P H ) in the variation of the engine torque, during a substep E00.
  • This discontinuity D is here detected by detection of an exceeding of threshold SD by the variation slope of the engine torque.
  • the parameterization unit 54 triggers a stopwatch to measure a duration of evolution of the motor torque supplied by the actuator 3 in the winding direction, from this instant of discontinuity D to a moment exceeding the TSH threshold represented by the point B, during a substep E01. The duration thus measured is noted d.
  • the parameterization unit determines the de-stressing time ⁇ as a function of the measured evolution time d.
  • This reactivity time ⁇ corresponds to the reaction time of all the elements which cooperate in response to exceeding the TSH threshold by the engine torque (or exceeding the threshold P_TSH by the variation slope of the engine torque). the movable element 2 in the opposite direction.
  • This duration of reactivity ⁇ can be provided by the manufacturer of the actuating device and prerecorded in the memory 55. One could also consider measuring it during the parameterization step E0. It can be predefined and is preferentially less than d.
  • the de-stressing time ⁇ is stored in the memory 55.
  • a similar parameterization step can be performed to calculate a de-stressing time ⁇ 'to be applied when the final blade 20 N abuts against a stop surface in the low position unrolled.
  • the de-stressing time to be applied following an engine stop in the low position unwound may be identical to that to be applied following an engine stop in the wound-up position.
  • the apron 22 of the movable member 2 is in the low position P B.
  • the transmitter 6 transmits to the receiver 4 a control signal for winding the mobile element 2, in a step E1.
  • the winding control is retransmitted by the receiver 4 to the electronic control module 5 during a step E2.
  • Step E3 corresponds to the instant when the stop 21 of the final blade 20 N comes into contact with the casing 7.
  • the actuator 3 exerts traction on the movable member 2 abuts against the casing 7.
  • the force torque provided by the actuator 3 increases sharply.
  • the detection unit 52 detects an exceeding of the threshold TSH by the torque supplied by the actuator 3 (or an exceeding of the threshold slope P_TSH by the slope of variation of the torque). On detection of the overrun threshold, the unit 52 controls a stop of the actuator 3 (step E7) and, in parallel, transmits the threshold overshoot information to the de-stressing unit 53 (step E8).
  • the de-stressing unit 53 transmits to the actuator 3 a command for providing a driving torque in the unwinding direction during the predetermined de-stressing time ⁇ .
  • the actuator 3 is energized to rotate the movable element in the opposite direction to the one preceding the threshold crossing TSH E6, namely here in the unwinding direction.
  • the actuator 3 thus provides a drive torque in the unwinding direction, applied to the movable element 2, during the duration ⁇ , and thus causes the movable element to its de-stressed stop position corresponding to the position high P H.
  • the deck 22 unfolds slightly so as to release the mechanical stresses induced by the abutment of the deck 22 against the caisson 7.
  • the de-stressing time ⁇ is adapted to the specific structure of the movable element 2 and the casing 7 so that the de-stressing - steps E9 and E10 - provides adequate relaxation of the mechanical stresses while avoiding a too important unwinding of the apron 22 which would have the effect of creating a visual defect.
  • the de-stressing is systematically effective, especially regardless of the structure of the movable element 2 and the box 7, without risk of causing a visual defect.
  • Actuation of the movable member 2 is effected in a similar manner during unwinding and abutment of the final blade 20 N of the deck 22 against a lower abutment surface.
  • a de-stressing can also be implemented when the movable member 2 comes into abutment against an obstacle.
  • de-stressing can be achieved after a threshold exceeding corresponding to an abutment of the movable member and an engine stop, caused by an obstacle against which the movable member has come into abutment.
  • a parameterization step similar to step E0 previously described, to evaluate the de-stressing time ⁇ adapted to the detected obstacle and to drive the mobile element to a suitable de-stressed position.
  • the movable element 2 could be any element of closure, occultation, sunscreen or screen, for example a solar protection cloth, a projection screen, a shutter, a terrace awning, a blind blade orientable, etc.
  • the de-stressing is triggered on detection of a threshold exceeding by the driving torque (or an instantaneous variation of this torque).
  • the parameter considered for threshold overruns could be a parameter of speed or instantaneous speed variation (ie acceleration or deceleration).
  • the stop detection is performed by detecting a downward movement of a speed value, the measurement of which can be carried out at the output shaft of the actuator, at the motor level or elsewhere on the motor. the kinematic chain, or by detecting a speed variation slope greater than a threshold slope value on a speed curve.
  • the parameterized de-stressing value is a time value determined from the time elapsed between the discontinuity D and the threshold overshoot TSH (or P_TSH), that is to say between the instant of detection of the discontinuity and the detection time of the TSH threshold (or P_TSH).
  • the parameterized de-stressing value is a spatial value.
  • the spatial value of de-stressing is a distance L determined from a positional deviation of the movable element 2 between the discontinuity D and the threshold overshoot TSH (or P_TSH), that is to say say in the position of the movable element 2 at the moment when the discontinuity D is detected and the position of the movable element 2 at the moment when the TSH threshold (or P_TSH) threshold is detected.
  • the de-stressing distance is at least equal (i.e. greater than or equal to) this positional deviation.
  • the spatial value of de-stressing is an angular magnitude ⁇ , for example a number of engine revolutions, determined from an angular variation of the motor 30 between the discontinuity D and the threshold overshoot TSH (or P_TSH), that is to say between the angular position of the motor 30 at the moment when the discontinuity D is detected and the angular position of the motor 30 at the moment when the TSH threshold (or P_TSH) is detected.
  • the angular magnitude of de-stressing is at least equal (that is to say greater than or equal to) this angular variation.
  • the invention also relates to a home automation installation comprising the device for actuating the mobile element 2 and the mobile element 2.

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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)

Description

L'invention concerne un procédé d'actionnement d'un élément mobile de fermeture, d'occultation, de protection solaire ou d'écran, sous l'action d'un couple d'entraînement fourni par un actionneur, l'élément mobile pouvant être actionné dans deux sens distincts. Elle concerne également un dispositif d'actionnement de l'élément mobile.The invention relates to a method for actuating a movable closing element, occultation, sun protection or screen, under the action of a driving torque provided by an actuator, the movable element being able to be operated in two distinct directions. It also relates to a device for actuating the movable element.

Le document FR 2 816 465 représente l'art antérieur le plus proche de l'objet de la présente invention.The document FR 2 816 465 represents the prior art closest to the object of the present invention.

L'élément mobile peut être un élément roulant, par exemple un volet de fermeture, une toile de protection solaire ou un écran de projection.The movable element may be a rolling element, for example a shutter, a sunscreen or a projection screen.

En fonctionnement, l'élément mobile peut être entraîné par un actionneur dans un premier ou dans un deuxième sens, par exemple dans un sens d'enroulement ou dans un sens de déroulement, entre deux positions extrêmes d'arrêt, dites basse et haute. La position haute d'arrêt correspond à une position relevée, ou enroulée, dans laquelle l'élément mobile est logé, quasi-intégralement, dans un caisson, et la position basse d'arrêt, à une position déployée, ou déroulée, de fin de course. Ces positions correspondent notamment à la position d'une lame du volet, par exemple une lame finale.In operation, the movable element may be driven by an actuator in a first or a second direction, for example in a winding direction or in a direction of unwinding, between two extreme stops, said low and high. The upper stop position corresponds to a raised or wound up position, in which the movable element is housed, almost completely, in a box, and the lower position of stopping, in an extended position, or unwound, end position. race. These positions correspond in particular to the position of a shutter blade, for example a final blade.

Prenons l'exemple d'un volet roulant composé d'un ensemble de lames juxtaposées, dont une première lame fixée à un tube d'enroulement logé dans le caisson et une dernière lame d'extrémité libre ou lame finale. Au moins un doigt de butée est généralement prévu sur la lame finale, positionné par exemple en face avant du volet. En fonctionnement, lorsque le volet est relevé jusqu'en position enroulée, le doigt de la lame finale bute contre le caisson, notamment parce qu'il est de dimension plus importante qu'une fente longitudinale formée dans le caisson et à travers laquelle le volet pénètre dans le caisson. Il existe de nombreux autres systèmes de butée haute. En toute hypothèse, en position enroulée, le volet arrive en butée haute. Cela a pour effet d'augmenter brutalement le couple d'entraînement fourni par un actionneur du dispositif d'actionnement. Lorsque le couple ou une variation du couple dépasse un seuil prédéfini, l'actionneur est arrêté. Lorsque le volet est descendu jusqu'en position déroulée de fin de course, la dernière lame bute contre une surface d'arrêt, par exemple un rebord de fenêtre. Cela provoque de la même manière une augmentation du couple d'entraînement fourni par l'actionneur puis, sur détection d'un dépassement de seuil, un arrêt de l'actionneur.Take the example of a roller shutter consisting of a set of juxtaposed blades, including a first blade attached to a winding tube housed in the box and a last free end blade or final blade. At least one stop finger is generally provided on the final blade, positioned for example on the front face of the shutter. In operation, when the flap is raised to the wound position, the finger of the final blade abuts against the box, in particular because it is larger than a longitudinal slot formed in the box and through which the flap enters the box. There are many other high stop systems. In any event, in rolled up position, the shutter reaches high abutment. This has the effect of sharply increasing the driving torque provided by an actuator of the actuating device. When the torque or a variation of the torque exceeds a predefined threshold, the actuator is stopped. When the flap is lowered to the end-of-stroke position, the last blade abuts against a stop surface, for example a window sill. This likewise causes an increase in the drive torque supplied by the actuator and, on detection of a threshold overshoot, a shutdown of the actuator.

Afin de ménager les éléments de la chaîne cinématique de transmission de l'effort fourni par l'actionneur, notamment lors des phases d'arrêt de l'actionneur en position relevée et en position déployée de fin de course, une fonction de déstressage peut être prévue. Cette fonction consiste, suite à la détection d'un dépassement de seuil par le couple ou par une variation du couple d'entraînement fourni par l'actionneur dans l'un des deux sens d'entraînement, à fournir un couple d'entraînement dans l'autre sens pendant une durée prédéfinie. Cette durée est par exemple de 100 ms et paramétrée en usine lors de la fabrication du dispositif d'actionnement.In order to protect the elements of the kinematic transmission chain of the force supplied by the actuator, in particular during the stopping phases of the actuator in the raised position and in the extended end-of-stroke position, a de-stressing function can be planned. This function consists, following the detection of a threshold exceeding by the torque or by a variation of the driving torque supplied by the actuator in one of the two drive directions, to provide a driving torque in the other direction for a predefined duration. This duration is for example 100 ms and set at the factory during the manufacture of the actuating device.

Un dispositif d'actionnement doit être adapté pour être utilisé avec une grande variété d'éléments mobiles et de caissons associés, ceux-ci pouvant être conçus avec des matériaux de qualités différentes. En particulier, dans le cas d'éléments mobiles et de caissons réalisés en plastique, selon le type de matériau plastique utilisé, les éléments mobiles et les caissons peuvent présenter une élasticité plus ou moins importante. De plus, du fait de la fente longitudinale du caisson, à travers laquelle le volet pénètre dans le caisson, celui-ci est particulièrement souple et fragilisé dans la zone de contact avec le doigt de butée. Il peut en résulter un manque d'efficacité de la fonction de déstressage. En particulier, dans le cas d'un élément mobile et d'un caisson de structure souple, la durée de déstressage appliquée peut s'avérer insuffisante pour supprimer totalement les contraintes mécaniques induites par la mise en butée. A la longue, le caisson peut rester déformé.An actuating device must be adapted for use with a wide variety of moving elements and associated boxes, which can be designed with materials of different qualities. In particular, in the case of mobile elements and caissons made of plastic, depending on the type of plastic material used, the movable elements and the boxes may have a greater or lesser elasticity. In addition, because of the longitudinal slot of the box, through which the flap penetrates into the box, it is particularly flexible and weakened in the area of contact with the stop finger. This may result in a lack of effectiveness of the de-stressing function. In particular, in the case of a movable element and a flexible structural box, the applied de-stressing time may be insufficient to completely eliminate the mechanical stresses induced by the abutment. In the long run, the box can remain deformed.

La présente invention vient améliorer la situation.The present invention improves the situation.

A cet effet, l'invention concerne un procédé d'actionnement d'un élément mobile de fermeture, d'occultation, de protection solaire ou d'écran, sous l'action d'un actionneur, l'élément mobile pouvant être actionné dans deux sens distincts, comprenant:

  • une étape de détection d'un dépassement de seuil par un paramètre de fonctionnement de l'actionneur, lors d'un entraînement dans l'un des deux sens, dit premier sens, de l'élément mobile ;
  • une étape de déstressage déclenchée sur détection du dépassement de seuil, durant laquelle l'actionneur entraîne l'élément mobile dans l'autre sens, dit deuxième sens, jusqu'à une position d'arrêt déstressée de l'élément mobile;
caractérisé en ce qu'il comprend une étape de paramétrage d'une valeur de déstressage définissant la position d'arrêt déstressée comportant les sous-étapes suivantes :
  • détecter une discontinuité dans l'évolution du paramètre de fonctionnement de l'actionneur lors de l'entraînement dans le premier sens, précédant le dépassement du seuil ;
  • paramétrer la valeur de déstressage en fonction de la discontinuité et du dépassement de seuil détectés.
For this purpose, the invention relates to a method for actuating a movable closure element, occultation, sun protection or screen, under the action of an actuator, the movable element can be actuated in two distinct meanings, including:
  • a step of detecting a threshold exceeding by an operating parameter of the actuator, during a drive in one of the two directions, said first direction, of the movable element;
  • a de-stressing step triggered on detection of the threshold exceeding, during which the actuator drives the movable element in the other direction, said second sense, to a de-stressed stop position of the movable element;
characterized in that it comprises a step of setting a de-stressing value defining the de-stressed stop position comprising the following sub-steps:
  • detecting a discontinuity in the evolution of the operating parameter of the actuator during the drive in the first direction, preceding the exceeding of the threshold;
  • set the de-stressing value according to the detected discontinuity and threshold overrun.

Avantageusement, la valeur de déstressage est une valeur spatiale ou temporelle.Advantageously, the de-stressing value is a spatial or temporal value.

Dans un premier mode de réalisation, la valeur de déstressage est une durée supérieure ou égale à la durée entre les détections de discontinuité et de dépassement de seuil. Avantageusement, la durée de déstressage est égale à la durée écoulée entre les détections de discontinuité et de dépassement de seuil, augmentée d'une durée de réactivité d'une chaîne d'éléments destinés à coopérer pour entraîner l'élément mobile dans le deuxième sens, suite à la détection du dépassement de seuil.In a first embodiment, the de-stressing value is a duration greater than or equal to the duration between the detections of discontinuity and threshold exceeding. Advantageously, the duration of de-stressing is equal to the time elapsed between the detections of discontinuity and threshold overshoot, plus a duration of reactivity of a chain of elements intended to cooperate to drive the movable element in the second direction. , following the detection of the exceeding of the threshold.

Lorsque le couple ou une variation du couple d'entraînement dans le premier sens dépasse le seuil prédéfini, un ensemble d'éléments coopère pour, en réaction à ce dépassement de seuil, entraîner dans le deuxième sens l'élément mobile, éventuellement après un arrêt momentané de celui-ci. L'invention prend en compte ce temps de réaction entre le dépassement de seuil et l'arrêt ou l'entraînement dans le deuxième sens de l'élément mobile, pour évaluer le temps de déstressage.When the torque or a variation of the drive torque in the first direction exceeds the predefined threshold, a set of elements cooperates to, in response to this exceeding of threshold, in the second direction to cause the movable element, possibly after a stop momentary of it. The invention takes into account this reaction time between the exceeding of threshold and the stopping or driving in the second direction of the movable element, to evaluate the de-stressing time.

Dans un deuxième mode de réalisation, la valeur de déstressage est une distance au moins égale à un écart de position de l'élément de mobile entre les détections de discontinuité et de dépassement de seuil.In a second embodiment, the de-stressing value is a distance at least equal to a difference in position of the mobile element between the detections of discontinuity and threshold overshoot.

Dans un troisième mode de réalisation, la valeur déstressage est une grandeur angulaire au moins égale à une variation de position angulaire de l'actionneur entre les détections de discontinuité et de dépassement de seuil.In a third embodiment, the stress-relieving value is an angular magnitude at least equal to a variation of the angular position of the actuator between the detections of discontinuity and threshold overshoot.

Avantageusement, l'étape de déstressage comprend un arrêt de l'actionneur avant l'entraînement de l'élément mobile dans le deuxième sens.Advantageously, the de-stressing step comprises stopping the actuator before driving the movable element in the second direction.

Avantageusement encore, le seuil est adapté pour permettre la détection de l'une des situations d'un groupe comportant : une mise en butée de l'élément mobile en position déployée, une mise en butée de l'élément mobile en position relevée et un blocage de l'élément mobile par un obstacle.Advantageously, the threshold is adapted to allow the detection of one of the situations of a group comprising: an abutment of the movable element in the deployed position, an abutment of the movable element in the raised position and a blocking the movable element by an obstacle.

Pour détecter la discontinuité, on peut détecter un dépassement de seuil, en valeur absolue, par la pente d'évolution du paramètre de fonctionnement.To detect the discontinuity, it is possible to detect a threshold exceeding, in absolute value, by the slope of evolution of the operating parameter.

Dans une variante de réalisation, le paramètre de fonctionnement est un couple, respectivement une vitesse, le dépassement du seuil étant un dépassement d'un seuil de couple à la hausse, respectivement un dépassement d'un seuil de vitesse à la baisse.In an alternative embodiment, the operating parameter is a torque, respectively a speed, the exceeding of the threshold being an overshoot of an upward torque threshold, respectively an exceeding of a speed threshold downward.

Dans une autre variante de réalisation, le paramètre de fonctionnement est une pente d'évolution d'un couple ou d'une vitesse, le dépassement du seuil étant un dépassement d'une pente seuil.In another variant embodiment, the operating parameter is an evolution slope of a torque or speed, the exceeding of the threshold being an overshoot of a threshold slope.

L'invention concerne aussi un dispositif d'actionnement d'un élément mobile de fermeture, d'occultation, de protection solaire ou d'écran, apte à fournir un couple d'entraînement de l'élément mobile dans deux sens distincts, comprenant des éléments matériels et/ou logiciels pour mettre en oeuvre les étapes du procédé précédemment défini, ledit dispositif comprenant

  • une unité de détection d'un dépassement de seuil par un paramètre de fonctionnement de l'actionneur lors d'un entraînement dans l'un des deux sens d'entraînement, dit premier sens ;
  • une unité de déstressage commandant l'actionneur de manière à ce que, sur détection du dépassement de seuil, il entraîne dans l'autre sens, dit deuxième sens, l'élément mobile jusqu'à une position d'arrêt déstressée ;
caractérisé en ce qu'il comprend une unité de paramétrage d'une valeur de déstressage définissant la position d'arrêt déstressée, comprenant une unité de détection d'une discontinuité dans l'évolution du paramètre de fonctionnement de l'actionneur lors de l'entraînement dans le premier sens, précédant le dépassement de seuil, et une unité de paramétrage de la valeur de déstressage en fonction de la discontinuité et du dépassement de seuil détectés.The invention also relates to a device for actuating a mobile closure, occultation, sun protection or screen element, able to provide a driving torque of the mobile element in two distinct directions, comprising hardware and / or software elements for implementing the steps of the previously defined method, said device comprising
  • a unit for detecting a threshold exceeding by an operating parameter of the actuator during a drive in one of the two driving directions, said first direction;
  • a de-stressing unit controlling the actuator so that, upon detection of the exceeding of the threshold, it drives in the other direction, said second direction, the movable element to a de-stressed stop position;
characterized in that it comprises a parameterizing unit of a de-stressing value defining the de-stressed stop position, comprising a unit for detecting a discontinuity in the evolution of the operating parameter of the actuator during the drive in the first direction, preceding the exceeding of the threshold, and a unit of parameterizing the de-stressing value as a function of the detected discontinuity and threshold overrun.

L'invention concerne encore une installation domotique comprenant un dispositif tel que précédemment défini et un élément mobile de fermeture, d'occultation, de protection solaire ou d'écran.The invention also relates to a home automation installation comprising a device as previously defined and a movable element for closing, concealment, sun protection or screen.

L'invention sera mieux comprise à l'aide de la description suivante de plusieurs modes de réalisation particuliers du procédé d'actionnement d'un élément mobile de l'invention et du dispositif d'actionnement associé, en référence aux dessins annexés sur lesquels :

  • la figure 1 représente un schéma d'un dispositif d'actionnement d'un élément mobile, selon un exemple particulier de réalisation ;
  • la figure 2 représente un schéma d'un actionneur du dispositif d'actionnement de la figure 1 ;
  • la figure 3 est une représentation graphique d'une variation du couple d'entraînement fourni par l'actionneur de la figure 2, lors d'une phase de remontée de l'élément mobile ;
  • la figure 4 représente un organigramme des étapes du procédé d'actionnement, selon un mode de réalisation particulier.
The invention will be better understood with the aid of the following description of several particular embodiments of the method of actuating a mobile element of the invention and the associated actuating device, with reference to the appended drawings in which:
  • the figure 1 represents a diagram of a device for actuating a mobile element, according to a particular embodiment;
  • the figure 2 represents a diagram of an actuator of the actuating device of the figure 1 ;
  • the figure 3 is a graphical representation of a variation of the driving torque provided by the actuator of the figure 2 during a rising phase of the mobile element;
  • the figure 4 represents a flowchart of the steps of the actuation method, according to a particular embodiment.

Le dispositif d'actionnement 1 représenté sur la figure 1 est destiné à mettre en mouvement un élément mobile 2, par exemple un volet roulant. Il comprend un actionneur 3, représenté en pointillés, comprenant notamment un récepteur de signaux de commande 4 et un module électronique de contrôle 5.The actuating device 1 represented on the figure 1 is intended to set in motion a movable element 2, for example a shutter. It comprises an actuator 3, represented in dotted lines, comprising in particular a control signal receiver 4 and an electronic control module 5.

Le récepteur 4 est adapté pour communiquer avec un ou plusieurs émetteurs de signaux de commande 6, ici par une liaison sans fil. Chaque émetteur 6 comprend une interface utilisateur de commande. Celle-ci comporte par exemple des boutons pour commander un déplacement vers le haut ou vers le bas de l'élément mobile 2, ou bien un arrêt de celui-ci.The receiver 4 is adapted to communicate with one or more transmitters of control signals 6, here by a wireless link. Each transmitter 6 includes a control user interface. This includes for example buttons for controlling an upward or downward movement of the movable member 2, or a stop thereof.

Dans l'exemple particulier décrit ici, l'élément mobile 2 comprend un tablier 22 composé d'un nombre N de lames 201, 202, ..., 20N dont une lame initiale 201, apparaissant sur la figure 2, fixée à un tube d'enroulement 8 et une lame finale 20N. Le tube 8 d'enroulement du tablier 22 est en forme de cylindre et situé à l'intérieur d'un caisson de logement 7. Celui-ci comprend notamment sur une face inférieure, une fente longitudinale (non représentée), à travers laquelle passe le tablier 22. L'actionneur 3, le récepteur de commande 4 ou le module électronique 5 peuvent être distinctement intégrés ou non dans un carter de l'actionneur 3 et donc positionnés à l'intérieur ou à l'extérieur du caisson 7.In the particular example described here, the movable element 2 comprises an apron 22 composed of a number N of blades 20 1 , 20 2 ,..., 20 N of which an initial blade 20 1 , appearing on the figure 2 attached to a winding tube 8 and a final blade 20 N. The winding tube 8 of the apron 22 is in the form of a cylinder and situated inside a housing casing 7. The latter comprises in particular on a lower face, a longitudinal slot (not shown), through which passes the apron 22. The actuator 3, the control receiver 4 or the electronic module 5 can be distinctly integrated or not in a housing of the actuator 3 and therefore positioned inside or outside the box 7.

Une butée 21 est fixée sur la lame finale 20N, par exemple en face avant, tournée vers l'extérieur du bâtiment équipé par ce volet. Le tablier 22 de l'élément mobile 2 peut être enroulé autour du tube d'enroulement 8, par l'actionneur 3, entre une position d'arrêt déroulée basse PB et une position d'arrêt enroulée haute PH. Ces positions PB et PH correspondent notamment aux positions atteintes par la lame finale 20N en fin de mouvement lié à un ordre de descente, respectivement de montée. En position enroulée PH, le tablier 22 est enroulé quasi-intégralement autour du tube d'enroulement 8 et logé dans le caisson 7, la butée 21 étant en appui contre le caisson 7 ou légèrement en retrait du caisson 7. En position déroulée PB, le tablier 22 est déroulé, ou déployé, et s'étend ici verticalement, la lame finale 20N étant en appui contre une surface de butée formée, par exemple, par un rebord de fenêtre.A stop 21 is fixed on the final blade 20 N , for example on the front face, facing outwardly of the building equipped with this flap. The apron 22 of the movable element 2 can be wound around the winding tube 8, by the actuator 3, between a low unwound stop position P B and a high rolled stop position P H. These positions P B and P H correspond in particular to the positions reached by final blade 20 N at the end of movement associated with a descent order, mounted respectively. In the wound position P H , the apron 22 is wound almost completely around the winding tube 8 and housed in the casing 7, the abutment 21 bearing against the casing 7 or slightly recessed from the casing 7. In the unrolled position P B , the apron 22 is unwound, or deployed, and here extends vertically, the final blade 20 N being in abutment against an abutment surface formed, for example, by a window sill.

L'actionneur 3, représenté en pointillés, est logé dans le caisson 7, à l'intérieur du tube d'enroulement 8. Il comporte un moteur électrique 30, notamment un moteur asynchrone, auquel sont connectés un réducteur 31 et un frein 32, comme représenté sur la figure 2. Ces différents éléments 30-32 sont connectés au module électronique de contrôle 5. Le moteur 30 a pour rôle d'entraîner en rotation le tube d'enroulement 8 autour de son axe central longitudinal dans deux sens, respectivement d'enroulement et de déroulement, de manière à enrouler ou dérouler le tablier 22 de l'élément mobile 2. En outre, l'actionneur 3 est relié à une source d'alimentation électrique (non représentée).The actuator 3, shown in dotted lines, is housed in the casing 7, inside the winding tube 8. It comprises an electric motor 30, in particular an asynchronous motor, to which a gearbox 31 and a brake 32 are connected, as represented on the figure 2 . These various elements 30-32 are connected to the electronic control module 5. The role of the motor 30 is to rotate the winding tube 8 about its longitudinal central axis in two directions, winding and unwinding respectively, so as to wind or unroll the deck 22 of the movable member 2. In addition, the actuator 3 is connected to a power source (not shown).

Le récepteur 4 est destiné à recevoir des signaux radio de commande transmis par un émetteur 6 pour commander un déplacement vers le haut ou vers le bas ou bien un arrêt de l'élément mobile 2. En fonctionnement, les signaux de commande reçus sont transmis par le récepteur 4 au module électronique de contrôle 5 qui pilote en conséquence l'actionneur 3 pour déplacer ou arrêter l'élément mobile 2.The receiver 4 is intended to receive radio control signals transmitted by a transmitter 6 to control upward or downward movement or a stop of the mobile element 2. In operation, the received control signals are transmitted by the receiver 4 to the electronic control module 5 which controls the actuator 3 accordingly to move or stop the movable element 2.

Le module électronique de contrôle 5 comprend une unité de traitement 51, une unité 52 de détection et de commande de l'actionneur 3, une unité de déstressage 53, une unité de paramétrage 54, une mémoire de stockage 55, et une unité centrale de commande 50, à laquelle les différents éléments 51-54 du module 5 sont connectés et destinée à contrôler le fonctionnement de ces éléments. Les unités 51-54 sont des éléments, ou sous-modules, du module électronique 5 qui sont ici logiciels et comprennent des instructions logicielles pour commander l'exécution du procédé d'actionnement de l'élément mobile, tel que décrit plus loin, lorsque ces instructions sont exécutées par l'unité centrale de commande 50.The electronic control module 5 comprises a processing unit 51, a unit 52 for detecting and controlling the actuator 3, a de-stressing unit 53, a parameterization unit 54, a storage memory 55, and a central processing unit. control 50, to which the various elements 51-54 of the module 5 are connected and intended to control the operation of these elements. The units 51-54 are elements, or submodules, of the electronic module 5 which are here software and include software instructions for controlling the execution of the method of actuating the movable element, as described below, when these instructions are executed by the central control unit 50.

Le moteur 30 intègre un condensateur (non représenté), dont la tension aux bornes est représentative d'un paramètre de fonctionnement de l'actionneur 3. En l'espèce, le paramètre de fonctionnement de l'actionneur 3 observable par une mesure de la tension au bornes du condensateur moteur est le couple fourni par le moteur 30 et appliqué à l'élément mobile 2, ou la variation instantanée de ce couple (autrement dit la pente de variation du couple moteur). Un circuit électronique est prévu pour mesurer cette tension aux bornes du condensateur moteur et transmettre les signaux de tension mesurés à l'unité de traitement 51. En fonctionnement, l'unité de traitement 51 reçoit en entrée une valeur de tension mesurée aux bornes du condensateur moteur et traite ces signaux pour fournir à l'unité de détection 52 et à l'unité de paramétrage 54 des données représentatives de l'évolution du couple d'entraînement ou de l'évolution d'une variation instantanée du couple d'entraînement (c'est-à-dire de l'évolution de la pente de variation du couple) en fonction de la hauteur de tablier 22 non enroulée. Ces données peuvent former une courbe telle que celle représentée sur la figure 3.The motor 30 integrates a capacitor (not shown), whose terminal voltage is representative of an operating parameter of the actuator 3. In this case, the operating parameter of the actuator 3 observable by a measurement of the voltage at the terminals of the motor capacitor is the torque supplied by the motor 30 and applied to the movable element 2, or the instantaneous variation of this torque (in other words the variation slope of the motor torque). An electronic circuit is provided for measuring this voltage across the motor capacitor and transmitting the measured voltage signals to the processing unit 51. In operation, the processing unit 51 receives as input a measured voltage value across the capacitor. motor and processes these signals to provide the detection unit 52 and the parameterization unit 54 with data representative of the evolution of the driving torque or the evolution of an instantaneous variation of the driving torque ( that is to say, the evolution of the torque variation slope) as a function of the deck height 22 not rolled up. These data can form a curve such as that represented on the figure 3 .

La figure 3 représente, à titre d'exemple illustratif, une courbe de variation du couple fourni par l'actionneur 3 en fonction de la hauteur de tablier restant 22, lors d'un enroulement de l'élément mobile 2. Le couple moteur délivré, noté T, est représenté en ordonnée, en Nm (Newton mètre), et la hauteur de tablier 22 restant à enrouler est représentée en abscisse, en mètre (m). Les points PB et PH correspondent respectivement à la position basse déroulée et à la position haute enroulée du tablier 22 de l'élément mobile 2, atteintes après un ordre de descente, respectivement de montée. En partant de la position basse déroulée PB pour laquelle le couple d'entraînement moteur T appliqué à l'élément mobile 2 est nul, l'actionneur 3 fournit un couple d'enroulement pour enrouler le tablier 22 autour du tube d'enroulement 8. Ce couple T croit jusqu'à une valeur maximale Tmax, représentée par un point A, puis décroît jusqu'à une valeur minimale Tmin. Le point A correspond à une position intermédiaire suspendue de l'élément mobile 2, dans laquelle la lame finale 20N a parcouru une partie du trajet entre la position basse déroulée PB et la position haute enroulée PH. La position haute enroulée PH correspond à la position d'arrêt déstressée de l'élément mobile 2, atteinte une fois que la lame finale 20N est venue en butée contre le caisson 7 et après un déstressage. Lorsque la lame finale 20N arrive en butée contre le caisson 7, par l'intermédiaire de la butée 21, un effort de traction est exercé par l'actionneur 3 sur l'élément mobile 2 de sorte que le couple T (ou une pente de variation de celui-ci) fourni par l'actionneur 3 augmente brutalement. Lorsque ce couple atteint un seuil TSH (ou lorsque la pente de variation du couple atteint une pente seuil P_TSH), l'actionneur 3 est arrêté puis un déstressage est réalisé, comme cela sera explicité plus loin.The figure 3 represents, by way of illustrative example, a variation curve of the torque supplied by the actuator 3 as a function of the remaining deck height 22, when of a winding of the movable element 2. The engine torque delivered, noted T, is represented on the ordinate, in Nm (Newton meter), and the deck height 22 remaining to be wound is represented in abscissa, in meter (m) . The points P and B P H respectively correspond to the unwound lower position and the upper wound position of the deck 22 of the movable member 2, reached after an order of descent, respectively mounted. Starting from the low unwound position P B for which the driving torque T applied to the movable member 2 is zero, the actuator 3 provides a winding torque for winding the apron 22 around the winding tube 8 This torque T increases to a maximum value Tmax, represented by a point A, then decreases to a minimum value Tmin. The point A corresponds to an intermediate position suspended from the movable element 2, in which the final blade 20 N has traveled a part of the path between the low unwound position P B and the raised high position P H. The wound up position P H corresponds to the de-stressed stop position of the movable element 2, reached once the final blade 20 N has come into abutment against the casing 7 and after de-stressing. When the final blade 20 N comes into abutment against the box 7, via the stop 21, a traction force is exerted by the actuator 3 on the movable member 2 so that the torque T (or a slope variation thereof) provided by the actuator 3 increases sharply. When this torque reaches a threshold TSH (or when the slope of variation of the torque reaches a threshold slope P_TSH), the actuator 3 is stopped and a de-stressing is performed, as will be explained later.

A partir de l'instant où la butée 21 de la lame finale 20N de l'élément mobile 2 entre en contact avec le caisson 7, le moteur 30 doit fournir un couple de traction pour exercer un effort de traction sur l'élément mobile 2 en butée contre le caisson 7, qui s'ajoute au couple que fournit encore l'actionneur 3 pour enrouler le tablier 22 autour du tube d'enroulement 8. Ce changement d'effort à fournir par l'actionneur 3, dû à la butée, induit une discontinuité D dans l'évolution du couple moteur T et dans l'évolution de la pente de variation du couple moteur T. Cette discontinuité D correspond à l'instant ou sensiblement à l'instant où la lame finale 20N entre en contact avec le caisson 7. Cette discontinuité D peut être caractérisée par un dépassement de seuil SD par la pente de variation du couple moteur T en valeur absolue (ou par un dépassement de pente seuil P_SD par la pente de variation de la variation instantanée du couple moteur).From the instant when the stop 21 of the final blade 20 N of the movable element 2 comes into contact with the casing 7, the motor 30 must provide a traction torque to exert a tensile force on the movable element 2 in abutment against the box 7, which is added to the torque still provided by the actuator 3 to wind the apron 22 around the winding tube 8. This change in force to be provided by the actuator 3, due to the stop, induces a discontinuity D in the evolution of the engine torque T and in the evolution of the variation slope of the engine torque T. This discontinuity D corresponds to the instant or substantially at the instant when the final blade 20 N between in contact with the casing 7. This discontinuity D can be characterized by an exceeding of the threshold SD by the variation slope of the engine torque T by value absolute (or by exceeding the threshold slope P_SD by the slope of variation of the instantaneous variation of the engine torque).

En partant de ce point de discontinuité D, le couple T augmente brutalement jusqu'à atteindre le seuil critique TSH, au-delà duquel le moteur 30 est arrêté puis le déstressage déclenché. L'atteinte du seuil TSH est représentée par un point B sur la courbe. La lame finale 20N a alors atteint une position PBH, située au-delà de la position haute PH, avant que le volet ne soit replacé en position PH.Starting from this point of discontinuity D, the torque T increases abruptly until it reaches the critical threshold TSH, beyond which the motor 30 is stopped and then the triggered de-stressing. The threshold TSH is represented by a point B on the curve. The final blade 20 N has then reached a position PB H , located beyond the high position P H , before the flap is returned to the P H position.

L'unité de détection et de commande 52 (ou « détecteur » ou encore « détecteur de commande de l'actionneur ») a pour rôle de détecter si le couple (ou une variation instantanée du couple d'entraînement) fourni par le moteur 30 dépasse le seuil critique TSH prédéfini (ou la pente seuil P_TSH) et, en cas de détection d'un dépassement de seuil, de commander un arrêt du moteur 30 et d'en informer l'unité de déstressage 53.The detection and control unit 52 (or "detector" or "actuator control sensor") has the role of detecting whether the torque (or an instantaneous variation of the driving torque) supplied by the motor 30 exceeds the predefined TSH critical threshold (or the threshold slope P_TSH) and, in the event of detection of a threshold overshoot, to command a shutdown of the engine 30 and to inform the de-stressing unit 53 thereof.

En cas de dépassement du seuil TSH par le couple (ou de dépassement de pente seuil P_TSH par une variation instantanée du couple moteur) ayant engendré un arrêt du moteur 30, l'unité de déstressage 53, ou unité de pilotage de l'actionneur, a pour rôle de piloter une action de déstressage de l'actionneur. Par « action de déstressage », on entend désigner une action de pilotage de l'actionneur permettant d'entraîner l'élément mobile 2 dans un deuxième sens, opposé au premier sens précédant le dépassement de seuil et l'arrêt moteur déclenché par le dépassement de seuil, jusqu'à amener l'élément mobile 2 dans une position d'arrêt déstressée correspondant à la position haute enroulée PH. L'action de déstressage vise à réduire les contraintes mécaniques induites par la mise en butée de l'élément mobile 2 juste avant l'arrêt du moteur. La course de déstressage, c'est-à-dire le parcours de l'élément mobile 2 dans le deuxième sens jusqu'à la position d'arrêt déstressée, est inférieure à la course totale de l'élément mobile 2. Plus précisément, il s'agit d'une course partielle qui ne devrait généralement pas dépasser 20% de la course totale. Notons que la position d'arrêt déstressée est proche de la position de l'élément mobile à l'arrêt du moteur provoqué par le dépassement de seuil (TSH ou P_TSH ici) correspondant à la mise en butée. Pour piloter une action de déstressage, l'unité 53 est destinée à commander une inversion du couple d'entraînement du moteur 30 de manière à ce que le moteur 30 fournisse, ici pendant une durée prédéfinie τ, dite durée de déstressage, un couple d'entraînement dans un sens opposé au sens d'entraînement précédant l'arrêt moteur et entraîne ainsi l'élément mobile 2 jusqu'à sa position d'arrêt déstressée correspondant à la position haute enroulée PH.If the threshold TSH is exceeded by the torque (or exceeding the threshold slope P_TSH by an instantaneous variation of the engine torque) which has caused a stopping of the motor 30, the de-stressing unit 53, or control unit of the actuator, its role is to control a de-stressing action of the actuator. By "de-stressing action" is meant a steering action of the actuator for driving the movable element 2 in a second direction opposite to the first direction preceding the exceeding of the threshold and the engine stop triggered by the overrun threshold, to bring the movable member 2 in a de-stressed stop position corresponding to the wound up position P H. The de-stressing action aims to reduce the mechanical stresses induced by the abutment of the movable member 2 just before stopping the engine. The de-stressing stroke, that is to say the path of the movable element 2 in the second direction to the de-stressed stop position, is less than the total stroke of the movable element 2. More precisely, this is a partial race that should generally not exceed 20% of the total race. Note that the de-stressed stop position is close to the position of the movable element when the engine stops caused by the exceeding of the threshold (TSH or P_TSH here) corresponding to the abutment. To control a de-stressing action, the unit 53 is intended to control a reversal of the driving torque of the motor 30 so that that the motor 30 provides, here for a predetermined duration τ, said de-stressing time, a drive torque in a direction opposite to the drive direction preceding the motor stop and thus causes the movable element 2 to its position de-stressed stop corresponding to the high wound position P H.

L'unité de paramétrage 54 est une unité de configuration d'un paramètre de déstressage (c'est-à-dire de pilotage de l'actionneur), qui est destinée à paramétrer ou configurer une valeur de déstressage. Par « valeur de déstressage », on entend définir une valeur d'un paramètre dit « de déstressage » permettant de définir une position d'arrêt de l'élément mobile après déstressage, c'est-à-dire après avoir été entraîné dans le deuxième sens (opposé au premier sens d'entraînement précédant le dépassement de seuil). Par exemple, la valeur de déstressage est une valeur temporelle, c'est-à-dire une durée pendant laquelle le moteur doit être entraîné dans le deuxième sens. L'unité de paramétrage 54 comprend une unité 541 d'évaluation d'une valeur de déstressage définissant la position d'arrêt déstressée (ou sensiblement cette position d'arrêt déstressée) et une unité 542 de paramétrage de la valeur de déstressage. Dans l'exemple particulier de réalisation décrit ici, la valeur de paramétrage est une valeur temporelle, à savoir une durée de déstressage τ. Cette durée de déstressage τ est déterminée en fonction d'une durée d évaluée d'évolution du couple d'entraînement (ou d'une variation instantanée du couple) fourni par l'actionneur 3, entre la discontinuité D et le dépassement de seuil TSH, comme cela sera explicité dans la description du procédé qui suit. Par « discontinuité » et « dépassement », on entend désigner ici l'instant de détection de la discontinuité D et l'instant de détection du dépassement de seuil TSH (ou P_TSH).The parameterizing unit 54 is a unit for configuring a de-stressing parameter (that is to say for controlling the actuator), which is intended to parameterize or configure a de-stressing value. By "de-stressing value" is meant defining a value of a so-called "de-stressing" parameter making it possible to define a stopping position of the moving element after de-stressing, that is to say after having been dragged into the second direction (opposite to the first direction of training preceding the threshold crossing). For example, the de-stressing value is a time value, that is to say a duration during which the motor must be driven in the second direction. The parameterization unit 54 comprises a unit 541 for evaluating a de-stressing value defining the de-stressed stop position (or substantially this de-stressed stop position) and a unit 542 for setting the de-braiding value. In the particular embodiment described here, the parameterization value is a time value, namely a de-stressing time τ. This de-stressing time τ is determined as a function of an estimated time of evolution of the driving torque (or of an instantaneous torque variation) supplied by the actuator 3, between the discontinuity D and the threshold overshoot TSH as will be explained in the following description of the process. The term "discontinuity" and "overshoot" here refers to the moment of detection of the discontinuity D and the time of detection of the threshold overshoot TSH (or P_TSH).

On va maintenant décrire, en référence à la figure 4, le procédé d'actionnement de l'élément mobile 2, correspondant au procédé de fonctionnement de l'actionneur 3, selon un premier mode de réalisation particulier.We will now describe, with reference to the figure 4 , the method of actuating the movable element 2, corresponding to the operating method of the actuator 3, according to a first particular embodiment.

Le procédé comprend une étape de paramétrage E0, destinée à paramétrer ici la durée τ de déstressage adaptée à l'élément mobile 2. Cette durée de déstressage τ est la durée pendant laquelle, suite à un arrêt du moteur 30 provoqué par un dépassement du seuil TSH par le couple moteur (ou par un dépassement de pente seuil P_TSH par la variation instantanée du couple moteur), l'actionneur 3 doit fournir un couple d'entraînement en sens opposé au sens d'entraînement précédant l'arrêt moteur pour dérouler l'élément mobile 2.The method comprises a parameterizing step E0, for setting here the de-stressing duration τ adapted to the moving element 2. This de-stressing time τ is the duration during which, following a motor stop 30 caused by exceeding the threshold TSH by the motor torque (or by exceeding the threshold slope P_TSH by the instantaneous variation of the motor torque), the actuator 3 must provide a drive torque in the opposite direction to the drive direction preceding the engine stop to unwind the movable element 2.

Lors de l'étape initiale de paramétrage E0, l'élément mobile 2 est enroulé depuis sa position basse déroulée PB ou depuis une position intermédiaire suspendue jusqu'à sa position haute enroulée PH. Durant l'enroulement du tablier 22, l'unité de traitement 51 transmet à l'unité de paramétrage 54 des données d'évolution du couple d'entraînement fourni par le moteur 30 (ou d'une variation instantanée de ce couple d'entraînement).During the initial parametering step E0, the movable element 2 is wound from its unrolled low position P B or from an intermediate suspended position to its wound up position P H. During the winding of the apron 22, the processing unit 51 transmits to the parameterization unit 54 data on the evolution of the driving torque supplied by the motor 30 (or an instantaneous variation of this driving torque ).

Lorsque la lame finale 20N entre en contact avec le caisson 7, l'unité de paramétrage 54 détecte une discontinuité D (sensiblement au point PH) dans la variation du couple moteur, lors d'une sous-étape E00. Cette discontinuité D est ici détectée par détection d'un dépassement de seuil SD par la pente de variation du couple moteur. Sur détection de cette discontinuité D, l'unité de paramétrage 54 déclenche un chronomètre pour mesurer une durée d'évolution du couple moteur fourni par l'actionneur 3 dans le sens d'enroulement, depuis cet instant de discontinuité D jusqu'à un instant de dépassement du seuil TSH représenté par le point B, lors d'une sous-étape E01. La durée ainsi mesurée est notée d. Notons que dans le cas où l'on observe la pente de variation du couple moteur (au lieu d'observer directement le couple moteur), au lieu de détecter une discontinuité dans la variation du couple moteur, on détecte une discontinuité dans la variation de la pente de variation du couple moteur. Dans ce cas, on détecte un dépassement de la pente seuil P_TSH par la variation instantanée du couple moteur.When the final blade 20 N comes into contact with the box 7, the parameterization unit 54 detects a discontinuity D (substantially at the point P H ) in the variation of the engine torque, during a substep E00. This discontinuity D is here detected by detection of an exceeding of threshold SD by the variation slope of the engine torque. Upon detection of this discontinuity D, the parameterization unit 54 triggers a stopwatch to measure a duration of evolution of the motor torque supplied by the actuator 3 in the winding direction, from this instant of discontinuity D to a moment exceeding the TSH threshold represented by the point B, during a substep E01. The duration thus measured is noted d. Note that in the case where we observe the slope of variation of the engine torque (instead of directly observing the engine torque), instead of detecting a discontinuity in the variation of the engine torque, we detect a discontinuity in the variation of the variation slope of the motor torque. In this case, it is detected that the threshold slope P_TSH is exceeded by the instantaneous variation of the motor torque.

Lors d'une sous-étape E02, l'unité de paramétrage détermine la durée de déstressage τ en fonction de la durée d'évolution mesurée d. Dans l'exemple particulier décrit ici, cette durée de déstressage τ est égale à la durée d'évolution mesurée d augmentée d'une durée prédéfinie de réactivité Δ, autrement dit : τ = d + Δ

Figure imgb0001
During a substep E02, the parameterization unit determines the de-stressing time τ as a function of the measured evolution time d. In the particular example described here, this de-stressing time τ is equal to the measured evolution time d increased by a predefined duration of reactivity Δ, in other words: τ = d + Δ
Figure imgb0001

Cette durée de réactivité Δ correspond à la durée de réaction de l'ensemble des éléments qui coopèrent pour, en réaction au dépassement du seuil TSH par le couple moteur (ou au dépassement de seuil P_TSH par la pente de variation du couple moteur), entraîner l'élément mobile 2 en sens inverse. Cette durée de réactivité Δ peut être fournie par le fabricant du dispositif d'actionnement et préenregistrée dans la mémoire 55. On pourrait également envisager de la mesurer lors de l'étape de paramétrage E0. Elle peut être prédéfinie et est préférentiellement inférieure à d.This reactivity time Δ corresponds to the reaction time of all the elements which cooperate in response to exceeding the TSH threshold by the engine torque (or exceeding the threshold P_TSH by the variation slope of the engine torque). the movable element 2 in the opposite direction. This duration of reactivity Δ can be provided by the manufacturer of the actuating device and prerecorded in the memory 55. One could also consider measuring it during the parameterization step E0. It can be predefined and is preferentially less than d.

Lors d'une sous-étape E03, la durée de déstressage τ est enregistrée dans la mémoire 55.During a substep E03, the de-stressing time τ is stored in the memory 55.

Si un déstressage est mis en oeuvre suite à un arrêt moteur en position basse déroulée, une étape de paramétrage analogue peut être réalisée pour calculer une durée de déstressage τ' à appliquer lorsque la lame finale 20N vient en butée contre une surface d'arrêt en position basse déroulée. En variante, la durée de déstressage à appliquer suite à un arrêt moteur en position basse déroulée peut être identique à celle à appliquer suite à un arrêt moteur en position haute enroulée.If de-stressing is implemented following a motor stop in the lowered position unwound, a similar parameterization step can be performed to calculate a de-stressing time τ 'to be applied when the final blade 20 N abuts against a stop surface in the low position unrolled. In a variant, the de-stressing time to be applied following an engine stop in the low position unwound may be identical to that to be applied following an engine stop in the wound-up position.

On va maintenant décrire brièvement l'actionnement de l'élément mobile 2 une fois le paramétrage réalisé.We will now briefly describe the actuation of the movable element 2 once the parameterization achieved.

Prenons l'exemple d'un enroulement de l'élément mobile 2 depuis sa position basse PB déroulée jusqu'à enroulement total du tablier 22.Take the example of a winding of the movable member 2 from its low position P B unrolled until total winding of the deck 22.

Initialement, le tablier 22 de l'élément mobile 2 est en position déroulée basse PB. Sur commande d'un utilisateur, l'émetteur 6 transmet au récepteur 4 un signal de commande pour enrouler l'élément mobile 2, lors d'une étape E1. La commande d'enroulement est retransmise par le récepteur 4 au module électronique de contrôle 5 lors d'une étape E2.Initially, the apron 22 of the movable member 2 is in the low position P B. On command of a user, the transmitter 6 transmits to the receiver 4 a control signal for winding the mobile element 2, in a step E1. The winding control is retransmitted by the receiver 4 to the electronic control module 5 during a step E2.

Sur commande du module électronique 5, le moteur 30 est mis en marche et fournit un couple d'entraînement dans le sens d'enroulement, appliqué au tablier 22 de l'élément mobile 2, lors d'une étape E3. Lors de cette étape E3, le tablier 22 s'enroule autour du tube d'enroulement 8, la lame finale 20N remontant vers le haut jusqu'à venir en butée contre le caisson 7 (étape E4). L'étape E4 correspond à l'instant où la butée 21 de la lame finale 20N entre en contact avec le caisson 7.On command of the electronic module 5, the motor 30 is started and provides a driving torque in the winding direction, applied to the deck 22 of the movable member 2, in a step E3. During this step E3, the apron 22 wraps around the winding tube 8, the final blade 20 N upwardly up to abut against the casing 7 (step E4). Step E4 corresponds to the instant when the stop 21 of the final blade 20 N comes into contact with the casing 7.

Lors d'une étape E5, l'actionneur 3 exerce une traction sur l'élément mobile 2 en butée contre le caisson 7. Le couple d'effort fourni par l'actionneur 3 augmente brutalement.During a step E5, the actuator 3 exerts traction on the movable member 2 abuts against the casing 7. The force torque provided by the actuator 3 increases sharply.

Lors d'une étape E6, l'unité de détection 52 détecte un dépassement du seuil TSH par le couple fourni par l'actionneur 3 (ou un dépassement de la pente seuil P_TSH par la pente de variation du couple). Sur détection du dépassement de seuil, l'unité 52 commande un arrêt de l'actionneur 3 (étape E7) et, parallèlement, transmet l'information de dépassement de seuil à l'unité de déstressage 53 (étape E8).During a step E6, the detection unit 52 detects an exceeding of the threshold TSH by the torque supplied by the actuator 3 (or an exceeding of the threshold slope P_TSH by the slope of variation of the torque). On detection of the overrun threshold, the unit 52 controls a stop of the actuator 3 (step E7) and, in parallel, transmits the threshold overshoot information to the de-stressing unit 53 (step E8).

Lors d'une étape E9, l'unité de déstressage 53 transmet à l'actionneur 3 une commande pour fournir un couple d'entraînement dans le sens de déroulement pendant la durée de déstressage prédéterminée τ.In a step E9, the de-stressing unit 53 transmits to the actuator 3 a command for providing a driving torque in the unwinding direction during the predetermined de-stressing time τ.

Lors d'une étape E10, l'actionneur 3 est alimenté pour faire tourner l'élément mobile dans le sens opposé à celui précédant le dépassement de seuil TSH E6, à savoir ici dans le sens de déroulement. L'actionneur 3 fournit ainsi un couple d'entraînement dans le sens de déroulement, appliqué à l'élément mobile 2, pendant la durée τ, et entraîne ainsi l'élément mobile jusqu'à sa position d'arrêt déstressée correspondant à la position haute PH. Lors de cette étape E10, le tablier 22 se déroule légèrement de manière à relâcher les contraintes mécaniques induites par la mise en butée du tablier 22 contre le caisson 7.During a step E10, the actuator 3 is energized to rotate the movable element in the opposite direction to the one preceding the threshold crossing TSH E6, namely here in the unwinding direction. The actuator 3 thus provides a drive torque in the unwinding direction, applied to the movable element 2, during the duration τ, and thus causes the movable element to its de-stressed stop position corresponding to the position high P H. During this step E10, the deck 22 unfolds slightly so as to release the mechanical stresses induced by the abutment of the deck 22 against the caisson 7.

On soulignera ici que, grâce au paramétrage initial E0 de la durée de déstressage τ, celle-ci est adaptée à la structure spécifique de l'élément mobile 2 et du caisson 7 de manière à ce que le déstressage - étapes E9 et E10 - procure un relâchement adéquat des contraintes mécaniques tout en évitant un déroulement trop important du tablier 22 qui aurait pour effet de créer un défaut visuel. Ainsi, le déstressage est systématiquement efficace, notamment quelle que soit la structure de l'élément mobile 2 et du caisson 7, sans risque d'engendrer un défaut visuel.It will be emphasized here that, thanks to the initial parameterization E0 of the de-stressing time τ, it is adapted to the specific structure of the movable element 2 and the casing 7 so that the de-stressing - steps E9 and E10 - provides adequate relaxation of the mechanical stresses while avoiding a too important unwinding of the apron 22 which would have the effect of creating a visual defect. Thus, the de-stressing is systematically effective, especially regardless of the structure of the movable element 2 and the box 7, without risk of causing a visual defect.

L'actionnement de l'élément mobile 2 s'effectue de façon analogue lors d'un déroulement et de la mise en butée de la lame finale 20N du tablier 22 contre une surface de butée inférieure.Actuation of the movable member 2 is effected in a similar manner during unwinding and abutment of the final blade 20 N of the deck 22 against a lower abutment surface.

Un déstressage, analogue aux étapes E9-E10, peut également être mis en oeuvre lorsque l'élément mobile 2 arrive en butée contre un obstacle. Ainsi, un déstressage peut être réalisé après un dépassement de seuil correspondant à une mise en butée de l'élément mobile et un arrêt moteur, causés par un obstacle contre lequel l'élément mobile est venu en butée. Dans ce cas, on pourrait envisager d'exécuter une étape de paramétrage, analogue à l'étape E0 précédemment décrite, pour évaluer la durée de déstressage τ adaptée à l'obstacle détecté et entraîner l'élément mobile vers une position déstressée adaptée.A de-stressing, similar to steps E9-E10, can also be implemented when the movable member 2 comes into abutment against an obstacle. Thus, de-stressing can be achieved after a threshold exceeding corresponding to an abutment of the movable member and an engine stop, caused by an obstacle against which the movable member has come into abutment. In this case, it could be envisaged to carry out a parameterization step, similar to step E0 previously described, to evaluate the de-stressing time τ adapted to the detected obstacle and to drive the mobile element to a suitable de-stressed position.

On pourrait également envisager de réitérer l'étape de paramétrage régulièrement durant la vie de l'élément mobile afin de réévaluer les durées de déstressage à appliquer lorsque l'élément mobile vient en butée contre le caisson en fin d'enroulement et lorsque l'élément mobile vient en butée contre une surface d'arrêt en fin de déroulement.One could also consider repeating the setting step regularly during the life of the movable member to re-evaluate the de-stressing times to be applied when the movable member abuts against the box at the end of winding and when the element mobile abuts against a stopping surface at the end of unwinding.

En variante, on pourrait également envisager de réaliser l'étape de paramétrage de façon systématique à chaque fois que l'élément mobile arrive en butée et qu'un dépassement de seuil correspondant à une mise en butée de l'élément mobile est détecté. Ainsi le déstressage est adapté en permanence à toutes les situations rencontrées.As a variant, it would also be possible to carry out the parameterization step systematically each time the movable element comes into abutment and a threshold exceeding corresponding to an abutment of the movable element is detected. Thus the de-stressing is constantly adapted to all the situations encountered.

L'élément mobile 2 pourrait être tout élément de fermeture, d'occultation, de protection solaire ou d'écran, par exemple une toile de protection solaire, un écran de projection, un volet roulant, un store de terrasse, un store à lames orientables, etc...The movable element 2 could be any element of closure, occultation, sunscreen or screen, for example a solar protection cloth, a projection screen, a shutter, a terrace awning, a blind blade orientable, etc.

Dans la description qui précède, le déstressage est déclenché sur détection d'un dépassement de seuil par le couple d'entraînement moteur (ou par une variation instantanée de ce couple). En variante, on pourrait observer un paramètre autre que le couple d'entraînement ou que la pente de variation de ce couple d'entraînement et détecter un dépassement de seuil par le paramètre observé, ce seuil correspondant à une mise en butée de l'élément mobile. Par exemple, le paramètre considéré pour les dépassements de seuil pourrait être un paramètre de vitesse ou de variation instantanée de vitesse (autrement dit d'accélération ou de décélération). Dans ce cas, la détection de butée est réalisée par détection de dépassement à la baisse d'une valeur de vitesse, dont la mesure peut être réalisée au niveau de l'arbre de sortie de l'actionneur, au niveau du moteur ou ailleurs sur la chaîne cinématique, ou par détection d'une pente de variation de vitesse supérieure à une valeur de pente seuil sur une courbe de vitesse.In the above description, the de-stressing is triggered on detection of a threshold exceeding by the driving torque (or an instantaneous variation of this torque). As a variant, it would be possible to observe a parameter other than the driving torque or the variation slope of this driving torque and to detect a threshold overrun by the observed parameter, this threshold corresponding to an abutment of the element mobile. For example, the parameter considered for threshold overruns could be a parameter of speed or instantaneous speed variation (ie acceleration or deceleration). In this case, the stop detection is performed by detecting a downward movement of a speed value, the measurement of which can be carried out at the output shaft of the actuator, at the motor level or elsewhere on the motor. the kinematic chain, or by detecting a speed variation slope greater than a threshold slope value on a speed curve.

De même, tout autre procédé de détermination du couple fourni par le moteur ou de la variation de couple est envisageable sans sortir du cadre de l'invention.Likewise, any other method for determining the torque provided by the motor or the variation in torque can be envisaged without departing from the scope of the invention.

Dans le mode de réalisation particulier décrit en référence à la figure 4, la valeur de déstressage paramétrée est une valeur temporelle déterminée à partir de la durée écoulée entre la discontinuité D et le dépassement de seuil TSH (ou P_TSH), c'est-à-dire entre l'instant de détection de la discontinuité et l'instant de détection du dépassement de seuil TSH (ou P_TSH). Dans un deuxième mode de réalisation, la valeur de déstressage paramétrée est une valeur spatiale. Dans une première variante, la valeur spatiale de déstressage est une distance L déterminée à partir d'un écart de position de l'élément mobile 2 entre la discontinuité D et le dépassement de seuil TSH (ou P_TSH), c'est-à-dire en la position de l'élément mobile 2 au moment où la discontinuité D est détectée et la position de l'élément mobile 2 au moment où le dépassement de seuil TSH (ou P_TSH) est détecté. Dans ce cas, la distance de déstressage est au moins égale (c'est-à-dire supérieure ou égale) à cet écart de position. Dans une deuxième variante, la valeur spatiale de déstressage est une grandeur angulaire θ, par exemple un nombre de tours moteur, déterminée à partir d'une variation angulaire du moteur 30 entre la discontinuité D et le dépassement de seuil TSH (ou P_TSH), c'est-à-dire entre la position angulaire du moteur 30 au moment où la discontinuité D est détectée et la position angulaire du moteur 30 au moment où le dépassement de seuil TSH (ou P_TSH) est détecté. Dans ce cas, la grandeur angulaire de déstressage est au moins égale (c'est-à-dire supérieure ou égale) à cette variation angulaire.In the particular embodiment described with reference to the figure 4 , the parameterized de-stressing value is a time value determined from the time elapsed between the discontinuity D and the threshold overshoot TSH (or P_TSH), that is to say between the instant of detection of the discontinuity and the detection time of the TSH threshold (or P_TSH). In a second embodiment, the parameterized de-stressing value is a spatial value. In a first variant, the spatial value of de-stressing is a distance L determined from a positional deviation of the movable element 2 between the discontinuity D and the threshold overshoot TSH (or P_TSH), that is to say say in the position of the movable element 2 at the moment when the discontinuity D is detected and the position of the movable element 2 at the moment when the TSH threshold (or P_TSH) threshold is detected. In this case, the de-stressing distance is at least equal (i.e. greater than or equal to) this positional deviation. In a second variant, the spatial value of de-stressing is an angular magnitude θ, for example a number of engine revolutions, determined from an angular variation of the motor 30 between the discontinuity D and the threshold overshoot TSH (or P_TSH), that is to say between the angular position of the motor 30 at the moment when the discontinuity D is detected and the angular position of the motor 30 at the moment when the TSH threshold (or P_TSH) is detected. In this case, the angular magnitude of de-stressing is at least equal (that is to say greater than or equal to) this angular variation.

L'invention concerne aussi une installation domotique comprenant le dispositif d'actionnement de l'élément mobile 2 et l'élément mobile 2.The invention also relates to a home automation installation comprising the device for actuating the mobile element 2 and the mobile element 2.

Claims (13)

  1. Method for actuating a mobile closure, privacy, solar protection or screen element (2), under the action of an actuator (3), the mobile element (2) being able to be actuated in two distinct directions, comprising:
    • a step (E6) of detection of a threshold (TSH) overshoot by an operating parameter (T) of the actuator (3), upon a driving in one of the two directions, called first direction, of the mobile element (2);
    • a de-stressing step (E9-E10) triggered on detection of the threshold overshoot (E6), during which the actuator (3) drives the mobile element (2) in the other direction, called second direction, to a de-stressed stop position (PH) of the mobile element (2);
    characterized in that it comprises a step (E0) of parameterizing of a de-stressing value (τ) defining the de-stressed stop position (PH) comprising the following substeps:
    • detecting (E00) a discontinuity in the trend of the operating parameter (T) of the actuator (3) upon the driving in the first direction, preceding the threshold overshoot (E6);
    • parameterizing the de-stressing value (τ) as a function of the discontinuity and of the threshold overshoot detected.
  2. Method according to Claim 1, characterized in that the de-stressing value is a spatial or temporal value (τ).
  3. Method according to Claim 1 or 2, characterized in that the de-stressing value is a time (τ) greater than or equal to the time between the detections of discontinuity and of threshold overshoot.
  4. Method according to Claim 3, characterized in that the de-stressing time (τ) is equal to the time (d) elapsed between the detections of discontinuity and of threshold overshoot, increased by a response time (Δ) of a chain of elements intended to cooperate to drive the mobile element (2) in the second direction, following the detection of the threshold overshoot (E6).
  5. Method according to Claim 1 or 2, characterized in that the de-stressing value is a distance at least equal to a difference in position of the mobile element between the detections of discontinuity and of threshold overshoot.
  6. Method according to Claim 1 or 2, characterized in that the de-stressing value is an angular quantity at least equal to a variation of angular position of the actuator between the detections of discontinuity and of threshold overshoot.
  7. Method according to one of Claims 1 to 6, characterized in that the mobile element (2) is stopped (E7) before being driven in the second direction.
  8. Method according to one of Claims 1 to 7, characterized in that the threshold is adapted to allow the detection of one of the situations from a group comprising: an abutment of the mobile element in deployed position, an abutment of the mobile element in raised position and an immobilizing of the mobile element by an obstacle.
  9. Method according to one of Claims 1 to 8, characterized in that, to detect the discontinuity, a threshold overshoot is detected, as absolute value, by the trend slope of the operating parameter.
  10. Method according to one of Claims 1 to 9, characterized in that the operating parameter is a torque (T), respectively a speed, the overshoot of the threshold being an upward overshoot of a torque threshold (TSH), respectively a downward overshoot of a speed threshold.
  11. Method according to one of Claims 1 to 10, characterized in that the operating parameter is a trend slope of a torque or of a speed, the overshoot of the threshold being an overshoot of a threshold slope (P_TSH).
  12. Device for actuating a mobile closure, privacy, solar protection or screen element (2), comprising:
    • an actuator (3) capable of supplying a driving torque for the mobile element (2) in two distinct directions;
    • a detector (52) intended to detect a threshold overshoot by an operating parameter of the actuator (3) upon a driving in one of the two driving directions, called first direction;
    • a unit (53) controlling the actuator (3) intended to control a de-stressing action of the actuator (3) so that, on detection of the threshold overshoot, it drives the mobile element in the other direction, called second direction, to a de-stressed stop position;
    characterized in that it comprises a parameterizing unit (54), intended to parameterize a de-stressing value defining the de-stressed stop position of the mobile element, designed for detecting a discontinuity (D) in the trend of the operating parameter of the actuator (3) upon the driving in the first direction, preceding the threshold overshoot, and for parameterizing the de-stressing value as a function of the discontinuity (D) and of the threshold overshoot detected.
  13. Home automation installation comprising a device according to Claim 12 and a mobile closure, privacy, solar protection or screen element.
EP14170078.1A 2013-05-31 2014-05-27 Method and device for actuating a mobile closure, concealment, solar protection or screen element Active EP2808479B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14170078T PL2808479T3 (en) 2013-05-31 2014-05-27 Method and device for actuating a mobile closure, concealment, solar protection or screen element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1355027A FR3006360B1 (en) 2013-05-31 2013-05-31 METHOD AND DEVICE FOR OPERATING A MOBILE ELEMENT FOR CLOSURE, OCCULTATION, SOLAR PROTECTION OR SCREEN

Publications (2)

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EP2808479A1 EP2808479A1 (en) 2014-12-03
EP2808479B1 true EP2808479B1 (en) 2017-03-08

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EP14170078.1A Active EP2808479B1 (en) 2013-05-31 2014-05-27 Method and device for actuating a mobile closure, concealment, solar protection or screen element

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EP (1) EP2808479B1 (en)
CN (1) CN104213828B (en)
FR (1) FR3006360B1 (en)
PL (1) PL2808479T3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3039189B1 (en) 2015-07-23 2017-09-01 Somfy Sas METHOD FOR CONTROLLING A SCREEN RELEASE ACTUATOR AND SYSTEM IMPLEMENTING SAID METHOD
GB2602972B (en) * 2021-01-20 2023-02-15 Tilt A Dor Ltd Roller door assembly

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2816465A1 (en) * 2000-11-06 2002-05-10 Fial Awning blind motor stopping method, comprises establishment of motor torque thresholds corresponding to rolled and unrolled positions and controlling motor by comparison with actual motor torques
CN2599202Y (en) * 2003-02-12 2004-01-14 戴明正 Transmission device for fast rolling door
FR2862334B1 (en) * 2003-11-19 2006-02-10 Somfy DEVICE FOR DRIVING A CLOSURE OR SOLAR PROTECTION SCREEN AND INSTALLATION COMPRISING SUCH A DEVICE
FR2878358B1 (en) * 2004-11-19 2007-04-20 Somfy Sas METHOD OF OPERATING A MOTORIZED ROLLING SHUTTER COMPRISING MEANS OF INFORMATION OF THE VALUE OF AN ADJUSTING PARAMETER AND ROLLING SHUTTER OPERATING ACCORDING TO SAID METHOD
WO2009140711A1 (en) * 2007-01-03 2009-11-26 Dazhi Huang Motorized blind system

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Title
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Also Published As

Publication number Publication date
CN104213828A (en) 2014-12-17
FR3006360B1 (en) 2015-07-03
EP2808479A1 (en) 2014-12-03
PL2808479T3 (en) 2017-08-31
CN104213828B (en) 2019-04-12
FR3006360A1 (en) 2014-12-05

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