EP3128100A1 - Verfahren zur steuerung eines motorisierten sonnenschutzsystems - Google Patents

Verfahren zur steuerung eines motorisierten sonnenschutzsystems Download PDF

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Publication number
EP3128100A1
EP3128100A1 EP16182407.3A EP16182407A EP3128100A1 EP 3128100 A1 EP3128100 A1 EP 3128100A1 EP 16182407 A EP16182407 A EP 16182407A EP 3128100 A1 EP3128100 A1 EP 3128100A1
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EP
European Patent Office
Prior art keywords
blind
fabric
deployment
motor
arms
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.)
Granted
Application number
EP16182407.3A
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English (en)
French (fr)
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EP3128100B1 (de
Inventor
Eric Delaunay
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Franciaflex SAS
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Franciaflex SAS
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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • E04F10/0648Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind acting on the roller tube
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0611Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with articulated arms supporting the movable end of the blind for deployment of the blind
    • E04F10/0618Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with articulated arms supporting the movable end of the blind for deployment of the blind whereby the pivot axis of the articulation is perpendicular to the roller
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F10/00Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins
    • E04F10/02Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins
    • E04F10/06Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building
    • E04F10/0644Sunshades, e.g. Florentine blinds or jalousies; Outside screens; Awnings or baldachins of flexible canopy materials, e.g. canvas ; Baldachins comprising a roller-blind with means for holding the end away from a building with mechanisms for unrolling or balancing the blind
    • E04F10/0659Control systems therefor
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/88Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling

Definitions

  • the present invention relates to the field of motorized mobile screens, including sun protection, store-type awning and especially awning, or equivalent, intended to equip the bays of a building.
  • It relates more particularly to a control method of a motorized blind system, the installation comprising a frame supporting a winding tube adapted to be rotated by an actuator comprising a tubular motor allowing a shade cloth to be wound or unrolled around the tube by a first end, the blind fabric being fixed by a second end to a load bar disposed substantially parallel to the winding tube and mounted movably relative to the frame between end positions respectively rolled up and unrolled from the fabric by means of foldable arms, the method comprising, during the unfolding of the fabric, a step of controlling the actuator capable of bringing the fabric into a stretched stretched end position.
  • the motor drives the winding tube in rotation and the guide arms unfold gradually to a locked position of the arms, corresponding to the end position of the unwinding of the fabric, in which it is tensioned .
  • the tubular actuator rotating the winding tube in order to place the blind in respectively unwound or wound end-of-travel positions is associated with an end-of-stroke device for stopping the winding.
  • actuator when the blind is fully unwound or rolled up.
  • Such a device generally comprises a device for counting the winding turns of the fabric around the winding tube to allow determination of the end positions.
  • the counting device associated with the actuator makes it possible to know at any time the current position of the load bar and, during a setting phase, the two wound end positions are recorded wound up and unwound. To do this, the user operates the blind in small steps in both directions of rotation until reaching the ideal end positions desired and memorizes them.
  • the actuator is controlled to automatically stop at the end positions thus stored.
  • a particular constraint weighs on the determination of the unwound end position of the blind, which must be precisely adjusted in order to guarantee an optimal unwound fabric tension. Indeed, it is necessary in this fully deployed position of the awning that the fabric is well tensioned, both for aesthetic and technical reasons (absence of water accumulation in case of rain, maintaining more rigid and therefore wind resistance , etc.). However, it appears that such precision is difficult to obtain given the variations in length of the fabric observed over time. Thus, during the use of the awning, the fabric may lengthen slightly, which will have the effect of causing a relaxed canvas effect in the unwinding end position.
  • the document FR 2,899,923 discloses a method of controlling a blind installation based on a detection of the web tension drop when the foldable guide arms of the fabric are in a fully unfolded position, followed by a slight winding movement of the fabric.
  • canvas on the tube in response to the detection of this voltage drop of the fabric, this winding step being stopped automatically before a noticeable withdrawal of the arms.
  • the fact of triggering the winding step as soon as the tension of the fabric drops thus makes it possible to automatically tighten the fabric, without it being necessary to resort to counting devices to control the stopping of the deployment of the fabric.
  • this control mode blind to bring the canvas in a stretched stretched end position is relatively complex to implement, since it requires a slight folding movement of the blind to tighten the fabric.
  • the document FR 2 816 465 discloses a method of controlling a blind based on the determination of a maximum torque value exerted on the motor at the end of the unwinding course of the blind, this value corresponding to a unwinding threshold value for which the blind occupies a stretched end position and then detects the torque exerted on the motor during deployment and, if the unwinding threshold value is exceeded, the motor is stopped unwinding and it is commanded in winding until the detected torque value again exceeds the value of unwinding threshold.
  • This control mode therefore also involves a folding movement of the fabric after stopping the motor to ensure that the blind occupies a stretched position stretched at the end of the unwound race.
  • an object of the invention is to provide a control method of a motorized blind system for placing, in a simple and reproducible manner, the fabric in a stretched position at the end of unwinding run.
  • the adjustment phase is reiterated periodically.
  • the adjustment phase excluding the continuous folding step of the blind to the wound end position is repeated periodically or each cycle of operation.
  • the monitoring of the rotational speed of the motor or of the engine torque consists in continuously measuring the rotational speed of the engine or the engine torque and in evaluating a speed of variation of the speed of rotation of the engine. motor or motor torque, the automatic stopping of the deployment of the blind in response to the detection of the increase in the rotational speed of the motor or the engine torque being triggered when said speed of variation increases in a given time interval.
  • the invention also relates to a motorized blind system
  • a motorized blind system comprising a frame supporting a winding tube adapted to be rotated by an actuator comprising a tubular drive motor allowing a blind fabric to be wound or unrolled around the tube by a first end, the blind fabric being fixed by a second end to a load bar disposed substantially parallel to the winding tube and mounted movably relative to the frame between end positions respectively wound and unwound of the fabric by by means of foldable arms, said installation being characterized in that it comprises a speed or torque sensor for measuring the rotational speed of the motor or the engine torque and a control unit adapted to control the actuator and for implement the control method according to the invention.
  • a motorized blind system 1 is a type of installation "awning", typically used as solar protection of the terraces.
  • awning typically used as solar protection of the terraces.
  • a winding tube 3 on which is intended to come to wind a fabric 4 by one of its ends.
  • the other end of the fabric 4 is attached to a load bar 5, held in the frame 2 by at least two folding arms 6, 7 for guiding the load bar 5 and ensuring the tension of the fabric 4, during operations unwinding and winding the canvas.
  • the arms 6, 7 are fixed on the one hand to the chassis and, on the other hand, to the load bar and have at least one articulated elbow allowing them to fold or unfold to accompany a folding movement or deployment of the canvas.
  • the arms are provided, generally at the elbow of a spring (not shown) biased during the winding of the fabric.
  • An actuator comprising a tubular motor 8 is mounted inside the winding tube 3.
  • This actuator is able to drive the tube 3 in rotation in a first direction and, alternately, in a second opposite direction, so as to allow 4.
  • the actuator also comprises a speed sensor capable of measuring the speed of rotation of the motor.
  • a speed sensor capable of measuring the speed of rotation of the motor.
  • this magnitude will control the installation 1 during an adjustment phase of the latter to determine the end position of the unwinding of the fabric.
  • the engine being driven as a result of the force exerted by the arms, it will be possible to use an equivalent measurement of the torque perceived by the engine during the deployment phase.
  • a sensor for measuring the engine torque during deployment can be used while remaining within the scope of the invention.
  • control unit capable of executing the control method which will be described with reference to FIG. figure 3 .
  • This control unit typically consists of a programmable computer associated with an information recording medium containing instructions for the execution of the method.
  • the tubular motor 8 drives the tube 3 in rotation so as to unroll the fabric 4.
  • the arms 6, 7 then unfold gradually to their maximum length corresponding to a locking position of the arms, in which the arms are braced, allowing a good maintenance of the tension of canvas.
  • this position also corresponds to the unwinding end position, ie to the fully deployed position, also known as the "low end position”.
  • the Figure 2 illustrates the variation of the motor rotation speed measured by the sensor, as a function of time, at different phases of the deployment of the blind.
  • a progressive unfolding phase of the arms allows unrolling the awning with the stretched canvas thanks to the action of the springs integrated in each arm.
  • V1 on the figure 2 where the arms are being opened and unlocked, the rotational speed of the measured motor is almost constant.
  • the fabric remains taut and detected by means of the sensor a significant increase in the speed of rotation of the engine until the arrival of arm in their locking position.
  • This phase of deployment referenced V2 on the figure 2 where the speed of rotation of the motor is in acceleration is brought about by kinematics of the arms during deployment. Indeed, at the end of deployment, when the fabric reaches its fully deployed position, for a short period of time, the force exerted by the arms just before reaching their locking position is much greater, which causes an increase significant speed of rotation of the engine. Then, when the arms reach their locking position, intervenes a third phase referenced V3 to the figure 2 , in which the motor is no longer driven, so that it slows down by loosening the relaxed fabric slightly, which results in a speed of rotation of the engine measured in deceleration, since the fabric no longer exerts stress on the winding tube and thus on the actuator. Thus, the fabric remains stretched to the locking position of the arms and is then relaxed if the motor continues to drive the tube in rotation.
  • the position in which an increase in the speed of rotation of the motor is detected, following an unfolding movement of the arms at the end of the deployment preceding the arrival of the arms in their locking position corresponds to the ideal position of end of race unrolled stretched.
  • the determination of this stretched stretched end position is therefore based on the detection of the acceleration of the rotational speed of the motor during the deployment of the blind. It controls the automatic shutdown of the motor and therefore the locking of the winding tube as soon as the increase in the rotational speed of the motor is detected, so that the installation is stopped preventing the actuator from continuing the unwinding of the fabric, which therefore remains advantageously taut in its low end position.
  • the determination of the stretched stretched end position is performed during an adjustment phase E0 of the installation.
  • This adjustment phase is activated for example by the installer during a first adjustment phase, by means of the transmission of a command appropriate to the actuator, for example from a wired or wireless control point.
  • the switchover in the adjustment phase triggers a step E01 of deployment of the blind from the wound end position (high limit switch) in which the rotation speed of the motor measured continuously by the sensor during the deployment is monitored.
  • the arms arrive at the end of opening but are not blocked, that is to say that they have not yet reached their locking position.
  • the actuator control unit detects an increase in the rotational speed of the motor measured by the sensor. To do this, the control unit evaluates the rate of change of the rotational speed of the motor during deployment, and detects when the rate of variation increases in a given period of time, relatively short.
  • the control unit in a step E03, immediately commands the stopping of the motor, the blind then being considered to be, in accordance with the invention, in a position corresponding to the ideal position stretched stretched end position.
  • the control unit stores the position of the blind when the deployment is stopped, for example via the position supplied by the counting device, the position thus stored corresponding to the end position Tensioned Stroke that will be used in subsequent cycles.
  • the adjustment phase ends with a step E05 in which the control unit triggers the continuous folding of the blind (without stopping) to the wound end position.
  • the control unit triggers the continuous folding of the blind (without stopping) to the wound end position.
  • control unit in a step E11 controls the deployment of the blind, then, in a step E12, when the latter reaches the previously stored position in the adjustment phase, the control unit, in a step E13, controls the automatic stopping of the deployment in this memorized position, corresponding to the stretched stretched end position.
  • the fabric may lengthen slightly, which may have the effect of creating a relaxed canvas effect in the end position of the fabric. unrolled race.
  • the control unit is then provided to be able to automatically readjust the end of travel position unwound periodically or at each operating cycle by performing again the steps E01 to E04 of the adjustment phase, in a manner transparent to the user.
  • the phase of adjustment can be performed again, but then excluding step E05 continuous folding of the blind to the wound limit position.
  • the awning must deploy, detect the end of travel position unwound according to the principles described in steps E01 and E02, automatically stop the engine at this position and memorize this new position to replace the previous one.
  • the blind must not then fold automatically according to step E05 of the adjustment phase, because it is not, in this case, the wish of the user.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Awnings And Sunshades (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Moulding By Coating Moulds (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
EP16182407.3A 2015-08-05 2016-08-02 Verfahren zur steuerung eines motorisierten sonnenschutzsystems Active EP3128100B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1557548A FR3039846B1 (fr) 2015-08-05 2015-08-05 Procede de commande d'une installation de store motorisee

Publications (2)

Publication Number Publication Date
EP3128100A1 true EP3128100A1 (de) 2017-02-08
EP3128100B1 EP3128100B1 (de) 2020-06-24

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EP16182407.3A Active EP3128100B1 (de) 2015-08-05 2016-08-02 Verfahren zur steuerung eines motorisierten sonnenschutzsystems

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EP (1) EP3128100B1 (de)
FR (1) FR3039846B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109006060A (zh) * 2018-10-10 2018-12-18 云南涵乾农业科技有限公司 一种滴灌施肥智能控制光伏大棚

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770757A2 (de) * 1995-10-28 1997-05-02 Elero Antriebs- und Sonnenschutztechnik GmbH Verfahren zum Antreiben von elektromotorisch betriebenen Markisen oder dergleichen
FR2816465A1 (fr) 2000-11-06 2002-05-10 Fial Dispositif pour arreter un moteur d'entrainement d'un tube d'enroulement d'un store, en fonction d'une mesure du couple exerce sur ledit moteur
FR2899923A1 (fr) 2006-04-14 2007-10-19 Somfy Sas Procede de commande et installation de store commandee par ce procede
EP2186989A2 (de) * 2008-11-18 2010-05-19 GERHARD GEIGER GMBH & CO. Motorsteuerung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770757A2 (de) * 1995-10-28 1997-05-02 Elero Antriebs- und Sonnenschutztechnik GmbH Verfahren zum Antreiben von elektromotorisch betriebenen Markisen oder dergleichen
FR2816465A1 (fr) 2000-11-06 2002-05-10 Fial Dispositif pour arreter un moteur d'entrainement d'un tube d'enroulement d'un store, en fonction d'une mesure du couple exerce sur ledit moteur
FR2899923A1 (fr) 2006-04-14 2007-10-19 Somfy Sas Procede de commande et installation de store commandee par ce procede
EP2186989A2 (de) * 2008-11-18 2010-05-19 GERHARD GEIGER GMBH & CO. Motorsteuerung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109006060A (zh) * 2018-10-10 2018-12-18 云南涵乾农业科技有限公司 一种滴灌施肥智能控制光伏大棚

Also Published As

Publication number Publication date
FR3039846B1 (fr) 2025-10-31
EP3128100B1 (de) 2020-06-24
FR3039846A1 (fr) 2017-02-10

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