EP3622160A1 - Motorised roller shutter - Google Patents

Motorised roller shutter

Info

Publication number
EP3622160A1
EP3622160A1 EP18725773.8A EP18725773A EP3622160A1 EP 3622160 A1 EP3622160 A1 EP 3622160A1 EP 18725773 A EP18725773 A EP 18725773A EP 3622160 A1 EP3622160 A1 EP 3622160A1
Authority
EP
European Patent Office
Prior art keywords
apron
rotation
motor tube
tube
detecting
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
EP18725773.8A
Other languages
German (de)
French (fr)
Other versions
EP3622160B1 (en
Inventor
Frédéric ROUTIER
Philippe FLAUX
Cyril CANO
Maxime CASSAN
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.)
Delta Dore SA
Original Assignee
Delta Dore 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 Delta Dore SA filed Critical Delta Dore SA
Publication of EP3622160A1 publication Critical patent/EP3622160A1/en
Application granted granted Critical
Publication of EP3622160B1 publication Critical patent/EP3622160B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • E06B9/86—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic against unauthorised opening
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6818—Control using sensors
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B2009/6809—Control
    • E06B2009/6818—Control using sensors
    • E06B2009/6845—Control using sensors sensing position

Definitions

  • the present invention relates to a device for motorized closure of a bay of the type comprising an apron and comprising means for detecting an intrusion attempt, and a method for detecting an attempt to open the apron. such a motorized shutter device.
  • a motorized shutter device comprising an apron and drive means comprising a tube housing a motor intended to rotate a coaxial winding tube on which the apron is wound, itself made of a plurality of slats or adjacent slats and for, when in the low position, to close the bay.
  • a linear sensor which extends all along the deck and down the latter.
  • an attempt to lift the apron involves an action on the linear sensor. This action is detected and this detection is transmitted to a security center which can then trigger an alarm.
  • This embodiment requires the introduction of a linear detector, generally expensive, which causes an increase in the price of the motorized shutter device.
  • the French patent application No. 08/57626 filed November 10, 2008 discloses a motorized shutter device of a bay overcomes this disadvantage.
  • Said motorized shutter device comprises an apron, drive means for driving up and down said apron, detection means intended to be in a first detection state when the apron is at a low stop, and in a second state of detection when the apron is suspended, communication means for communicating with a security center, polling means for verifying the switchover of the detection means from the second detection state to the first detection state, and control means for generating a message representative of an attempt to open the apron when the scanning means detect the switching of the detection means, and to transmit it to the security center via the communication means.
  • Fig. 1 shows such motorized shutter device of a bay 100 which is intended to be installed in a shutter box of a building above the bay to be closed.
  • the motorized shutter device 100 comprises:
  • - Drive means 102 consisting of a motor tube 103 and a winding tube 104 and for driving up and down the deck 106.
  • the motor tube 103 is coaxial with the winding tube 104 and is disposed therein.
  • the deck 106 is fixed to the winding tube 104 by means of a flexible or rigid locking device.
  • the deck 106 consists of slats attached to each other so as to have a space between them.
  • the lowest batten of the apron 106 comes into abutment, the next lath continues to descend until it abuts against the lowest lath, and so on until the batten attached to the winding tube 104, and the apron 106 becomes progressively rigid starting from the lowest lath up to the winding tube 104 and through the intake of the motor shaft 118 to the motor tube 103.
  • the deck 106 is raised by winding said apron 106 around the winding tube 104 which is rotated by the motor tube 103 about its axis X.
  • the descent of the deck 106 is performed in the opposite manner.
  • the motor tube 103 comprises a flange 108 which is fixedly mounted in the trunk of the roller shutter and a bearing 110 rotatably mounted about the X axis on the flange 108. This rotation has a limited travel of about twenty degrees around the axis X.
  • the motor tube 103 also comprises motor means 116, such as, for example, a motor, a brake and a gearbox.
  • the movable bearing 110 carries detection means 113.
  • the motorized shutter 100 also comprises control means 112 and communication means 120 which are for example arranged on the movable bearing 110. The control means 112 make it possible to control the starting and stopping the drive means 102, and in particular the motor means 116.
  • the detection means 113 are said in a first detection state, and when the deck 106 is sufficiently raised to cause the tilting of the detection means 113 due to the traction of the deck 106 under the effect of gravity, the detection means 113 are said in a second detection state.
  • Such a device operates according to a method comprising:
  • the device To put the device in intrusion detection mode, because of the use of detection means comprising two positions, the device first needs to go to a low position, then to a position in which the apron 106 is slightly raised to be in intrusion detection mode.
  • the fact of having to raise slightly the apron 106 causes some openings at the top of the deck 106 between the upper battens. This can be troublesome, especially when the device is used to close a window, since the apron 106 can not then prevent the passage of light.
  • An object of the present invention is to propose a device for motorized closure of a rack comprising means provided for detecting an intrusion attempt, which does not have the drawbacks of the prior art, and which in particular allows a total closure of the apron 106.
  • the invention relates to a device for motorized closing of a rack comprising: an apron, drive means for driving up and down said apron, the drive means comprising a winding tube of the apron and a coaxial motor tube, the motor tube being rotatably mounted about its axis, the rotation being possible between a first position and a second position, detection means for detecting a rotation of the motor tube, means for control intended to generate a message representative of an attempt to open the apron when the detection means detect a rotation of the motor tube, communication means for transmitting the generated message to a security center.
  • the bay shutter device can detect an intrusion attempt without the apron must be in slightly raised position. This avoids the appearance of openings in the apron.
  • the proposed solution reconciles both a complete closure of the array and detection of an intrusion.
  • the detection means comprise a gyroscope.
  • the detection means comprise an accelerometer.
  • the invention also relates to a method for detecting an attempt to open an apron of a motorized shutter device of a rack, the motorized shutter device comprising: an apron, drive means intended to to drive up and down said apron, the drive means comprising a winding tube of the deck and a coaxial motor tube, the motor tube being rotatably mounted about its axis, the rotation being possible between a first position and a second position, detection means for detecting a rotation of the motor tube, control means for generating a message representative of an attempt to open the apron when the detection means detect a rotation of the motor tube, communication means for transmitting the generated message to a security central, the method comprising the steps of: receiving an activation instruction an alarm mode, down the apron, detect by the detection means a first rotation of the motor tube, stop the descent of the deck so that the motor tube is stopped in an intermediate position between the first position and the second position, detect by the detection means a second rotation of the motor tube, generate a message
  • the method before the step of lowering the apron, the method comprises a step of raising the apron to position the motor tube in the first position.
  • the step of detecting a second rotation of the motor tube is followed by a step of lowering the apron until the motor tube is in the second position to block the apron.
  • the steps subsequent to the step of detecting a second rotation are performed only if the second rotation is greater than a predetermined threshold.
  • the invention also relates to a computer program comprising instructions for implementing, by a processor, the method of detecting an attempt to open an apron of a motorized shutter device of an array when the computer program is executed by the processor.
  • the invention also relates to a recording medium on which is stored said computer program.
  • Fig. 1 represents an exploded view of a motorized shutter device of a bay as disclosed in the French patent application No. 08/57626 filed November 10, 2008,
  • FIG. 2 represents an exploded view of a motorized shutter device of a bay according to one embodiment of the invention
  • FIG. 3 is a flowchart of a method for detecting an attempt to intrude by raising the apron of the motorized shutter device according to one embodiment of the invention.
  • Figs. 4, 5, 6, 7 and 8 show a schematic view of the respective positions of the apron, the motor tube and the winding tube at different stages of the method of detecting an attempt to intrude by raising the device apron.
  • Motorized shutter according to one embodiment of the invention.
  • Fig. 1 shows a motorized closure device 100 of a bay which is intended to be installed in a shutter box of a building above the bay to be closed.
  • a quick description of such a device 100 is recalled in the preamble of the present text, a more detailed description is found in the French patent application No. 08/57626 filed November 10, 2008 and published under the reference 2 938 288 May 14 2010.
  • the principle of operation of the device 100 is based on the fact that when the deck 106 is at the bottom stop, that is to say that the deck 106 is fully unwound and the slats resting on each other, the detection means 113 are said in a first detection state. When the deck 106 is then sufficiently raised to cause the tilting of the detection means 113 due to the pulling of the deck 106 under the effect of gravity, the detection means 113 are said in a second detection state. If, during an intrusion attempt, the deck 106 is raised, the detection means 113 then pass from the second detection state to the first detection state, which triggers the alarm.
  • Fig. 2 shows an exploded view of a motorized shutter device 200 of a bay according to one embodiment of the invention.
  • the motorized shutter device 200 is intended to be installed in a shutter box of a building above the bay to be closed.
  • the motorized shutter device 200 comprises:
  • - Drive means 102 consisting of a motor tube 103 and a winding tube 104 and for driving up and down the deck 106.
  • the motor tube 103 is coaxial with the winding tube 104 and is disposed therein.
  • the deck 106 is fixed to the winding tube 104 by means of a flexible or rigid locking device.
  • the deck 106 consists of slats attached to each other so as to have a space between them.
  • the lowest batten of the apron 106 comes into abutment, the next lath continues to descend until it abuts against the lowest lath, and so on until the batten attached to the winding tube 104, and the apron 106 becomes progressively rigid starting from the lowest lath up to the winding tube 104 and through the intake of the motor shaft 118 to the motor tube 103.
  • the deck 106 is raised by winding said apron 106 around the winding tube 104 which is rotated by the motor tube 103 about its axis X.
  • the descent of the deck 106 is performed in the opposite manner.
  • the motor tube 103 comprises a flange 108 which is fixedly mounted in the trunk of the roller shutter and a bearing 110 rotatably mounted about the X axis on the flange 108. This rotation has a limited travel of about twenty degrees around the axis X.
  • the weight of the slats of the apron 106 suspended that the motor tube 103 abuts in a first position called “high stop”.
  • the motor tube 103 abuts in a second position called "low stop”.
  • the blockage is due firstly to the fact that the motor tube 103 is in abutment, and secondly to the fact that all the slats of the deck 106 are in contact with each other.
  • the first and second positions correspond to the two extreme positions of the travel of the landing 110.
  • the motor tube 103 also comprises motor means 116, such as, for example, a motor, a brake and a gearbox.
  • the movable bearing 110 carries detection means 213.
  • the motorized shutter 100 also comprises control means 112 and communication means 120 which are for example arranged on the movable bearing 110.
  • the control means 112 make it possible to control the starting and stopping the drive means 102, and in particular the motor means 116.
  • the detection means 213 comprise a proportional position sensor of the gyroscope or accelerometer type.
  • the detection means 213 make it possible to measure a rotation of the motor tube 103 relative to its axis of rotation, typically the horizontal axis.
  • the communication means 120 are intended to communicate with a security center 150, for example of the alarm type.
  • the communication means 120 may be wired or radio or other means.
  • the security central 150 comprises communication means 152 for dialogue with the communication means 120 of the control means 112 and warning means 154, for example of the speaker type.
  • Fig. 3 is a flowchart of a method of detecting an attempted intrusion by raising the deck 106 of the motorized shutter device 200 according to one embodiment of the invention.
  • the control means 112 generally comprise a processor which receives information coming in particular from the communication means 120 or detection means 213 and sends commands to the communication means 120 and the drive means 102.
  • the processor of the control means 112 is adapted to carry out the process steps described below.
  • the first step 301 corresponds to the reception of a message, for example via the communication means 120, the message comprising information or instructions for activating an "alarm" mode.
  • the message is typically sent by the security center 150.
  • a positioning step 305 is performed or not.
  • step 305 is performed. Otherwise, the next step is step 310.
  • step 305 the control means 112 activate the raising of the deck 106 sufficiently for the motor tube 103 to abut in the first position called "high stop" under the weight of a few slats apron 106 raised.
  • the control means 112 activate the raising of the deck 106 for a predetermined time, the predetermined time being provided so that the deck 106 can be raised from a height ensuring the rotation of the motor tube 103 under the effect of the severity of the slats of the deck 106.
  • the deck 106 is raised so that some slats, the upper battens, no longer rest in contact on the lower battens.
  • the number of slats to be lifted depends on their weights as well as the frictional forces that can prevent the motor tube 103 from pivoting.
  • the weight of the raised slats guarantees, by the effect of gravity, that the motor tube 103 returns to the first so-called "high stop" position.
  • next step 310 is performed starting in all cases of a situation in which the motor tube 103 is in the first position called "high stop".
  • step 310 the control means 112 control the descent of the deck 106.
  • This descent of the deck 106 is achieved by the rotation of the motor tube 103 by the motor means 116 in the appropriate direction for the winding tube 104 can unwind the deck 106.
  • This step is illustrated in Figs. 4, 5 and 6.
  • the motor tube 103 is in the first position called "high stop", first position making an arbitrarily defined angle of X degrees with respect to the vertical.
  • the apron 106 down, the deck 106 not yet in contact with the ground.
  • FIG. 5 the lower batten of the apron 106 comes into contact with the ground, the lower slats of the deck 106 then begin to reduce the inter-slat gap.
  • FIG. 6 corresponds to the moment when the last lath of apron 106, the upper lath, fills her gap with the penultimate batten of the deck 106. From this moment, the laths are in contact and the rotation of the winding tube 104 is blocked.
  • the rotation of the winding tube 104 being blocked by the total unwinding of the apron 106, the motor tube 103, in direct contact with the winding tube 104 via the engagement of the drive shaft 118, is, by reaction, set in motion. rotation counterclockwise.
  • the motor tube 103 will tend to rotate, in the present case counterclockwise, to go, if it were not stopped in its rotation as described above. afterwards, to the second position called "low stop”.
  • the detection means 213 detect this rotation of the motor tube 103.
  • the detection means 213 may comprise an accelerometer or a gyroscope to detect this rotation of the motor tube 103. A sensitivity of the order of a few degrees of detection means 213 is sufficient.
  • step 320 following the detection of the rotation of the motor tube 103, the control means 112 stop the motor means 116.
  • motor means 116 of brushless motor type or "brushless” in English
  • the inertia of the engine is very low
  • the engine stop command can be started after the motor tube 103 has been rotated by a few degrees.
  • step 315 the motorized shutter device 200 detects that the motor tube 103 is rotating and, in the step 320, the motorized shutter device 200 stops the rotation of the motor tube 103 so that it is in an intermediate position between the first position called “high stop” and the second position called “low stop”.
  • the total angle of rotation between the first position and the second position corresponds to the limited deflection angle allowed by the flange 108 and the bearing 110. This angle is typically of the order of twenty degrees.
  • the motorized shutter device 200 stops the rotation of the motor tube 103 after having detected, in the step 315, a rotation of the order of a few degrees, for example five degrees.
  • the control means 112 wait a predetermined time before stopping the motor means 116.
  • the predetermined time is defined according to the speed of rotation so that the rotation of the motor tube 103 reaches ultimately an angle, said stopping angle of a few degrees, less than the available travel.
  • the control means 112 stop the motor means 116 after the rotation detected by the detection means 213 has reaches a predetermined angle, said stopping angle, this stopping angle being less than the available travel.
  • the control means 112 stop the motor means 116 immediately, the inertia of the motor tube 103 allowing a further rotation of a few degrees before stopping the motor tube 103.
  • step 315 the motor tube 103 can still rotate before coming into abutment in the second position called "low stop".
  • the still possible rotation corresponding to the difference between the available travel and the stopping angle. For example, for a travel of twenty degrees and a stop, in step 320, after five degrees, the motor tube 103 can potentially still rotate fifteen degrees.
  • a person wanting to break in will attempt to lift the deck 106 to force the opening of the bay, for example a door or window, closed by the shutter 200.
  • the winding tube 104 being supported on the apron 106, any attempt to lift the deck 106 will therefore cause a rotation of the winding tube 104, and therefore the motor tube 103, the winding tube 104 and the motor tube 103 being engaged via the socket motor shaft 118.
  • a step 325 the detection means 213 scan a rotation of the motor tube 103 following an intrusion attempt. This step 325 loops as long as the alarm is active and no rotation is detected.
  • the shutter device 200 goes to the step 330.
  • the rotation detected during the step 325 must be greater than a threshold.
  • the motorized shutter device 200 can ignore the rotation of the motor tube 103 as the angle of said detected rotation is less than a predetermined threshold.
  • the predetermined threshold corresponds to an angle and is for example equal to four degrees. This reduces false alarms in case of movement of the deck 106 under the effect of eg wind.
  • the predetermined threshold can be reduced to a minimum, for example two degrees, ie to the sensitivity allowed by the control means. detection 213.
  • Step 330 corresponds to the triggering of the alarm.
  • the control means 112 control the communication means 120 in order to send a message to the security center 150.
  • the message comprises an intrusion detection information.
  • the security central 150 can then trigger a visual, audible or other alarm, or send an alarm message to a device.
  • control means 112 cause the total closure of the deck 106.
  • the control means 112 cause the rotation of the motor tube 103 to block in the second position called "low stop”.
  • the apron 106 is then in a locked position and can not be reassembled by force. Indeed, the motor tube 103 being abutted in the second position called “low stop", the rotation of the winding tube 104 in the direction allowing the raising of the deck 106, is then blocked.
  • the security central 150 sends a closing command to any other bay closure device, for example similar to the bay closure device 100 or else 200, connected to said security central 150.

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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)

Abstract

The invention relates to a motorised closing device (200) for closing a bay, comprising an apron (106), driving means (102) for driving the apron up and down, the driving means comprising a tube (104) for winding the apron and a coaxial motor tube (103), the motor tube being mounted such that it rotates about its axis, the rotation being possible between a first position and a second position, detection means (213) allowing a rotation of the motor tube (103) to be detected, control means (112) for generating a message representing an attempt to open the apron when the detection means detect a rotation of the motor tube, and communication means (120) for transmitting the generated message to a security centre (150), the motorised closing device being suitable for implementing the steps of a method for detecting an attempt to open the apron, three of these steps being to detect (315), by the detection means, a first rotation of the motor tube, then to stop (320) the lowering of the apron (106) so that the motor tube (103) stops in an intermediate position between the first position and the second position, and finally to detect (325), by the detection means, a second rotation of the motor tube.

Description

VOLET ROULANT MOTORISE  MOTORIZED ROLLING SHUTTER
La présente invention concerne un dispositif d'obturation motorisé d'une baie du type comportant un tablier et comprenant des moyens prévus pour détecter une tentative d'intrusion, ainsi qu'un procédé de détection d'une tentative d'ouverture du tablier d'un tel dispositif d'obturation motorisé. The present invention relates to a device for motorized closure of a bay of the type comprising an apron and comprising means for detecting an intrusion attempt, and a method for detecting an attempt to open the apron. such a motorized shutter device.
On connaît un dispositif d'obturation motorisé d'une baie comprenant un tablier et des moyens d'entraînement comprenant un tube logeant un moteur prévu pour entraîner en rotation un tube d'enroulement coaxial sur lequel est enroulé le tablier, lui- même constitué d'une pluralité de lattes ou lamelles adjacentes et destiné, lorsqu'il est en position basse, à obturer la baie.  A motorized shutter device comprising an apron and drive means comprising a tube housing a motor intended to rotate a coaxial winding tube on which the apron is wound, itself made of a plurality of slats or adjacent slats and for, when in the low position, to close the bay.
Généralement, pour détecter une tentative d'intrusion par ce type de dispositif d'obturation, il est prévu un capteur linéaire qui s'étend tout le long du tablier et en bas de celui-ci. Lorsque le tablier est en position basse, c'est-à-dire lorsque le dispositif d'obturation est fermé, une tentative de soulèvement du tablier implique une action sur le capteur linéaire. Cette action est détectée et cette détection est transmise à une centrale de sécurité qui peut alors déclencher une alarme.  Generally, to detect an intrusion attempt by this type of closure device, there is provided a linear sensor which extends all along the deck and down the latter. When the apron is in the low position, that is to say when the shutter device is closed, an attempt to lift the apron involves an action on the linear sensor. This action is detected and this detection is transmitted to a security center which can then trigger an alarm.
Ce mode de réalisation nécessite la mise en place d'un détecteur linéaire, généralement coûteux, ce qui entraîne une augmentation du prix du dispositif d'obturation motorisé.  This embodiment requires the introduction of a linear detector, generally expensive, which causes an increase in the price of the motorized shutter device.
La demande de brevet français n° 08/57626 déposée le 10 novembre 2008 divulgue un dispositif d'obturation motorisé d'une baie palliant cet inconvénient. Ledit dispositif d'obturation motorisé comprend un tablier, des moyens d'entraînement destinés à entraîner en montée et en descente ledit tablier, des moyens de détection destinés à être dans un premier état de détection lorsque le tablier est en butée basse, et dans un deuxième état de détection lorsque le tablier est suspendu, des moyens de communication destinés à communiquer avec une centrale de sécurité, des moyens de scrutation destinés à vérifier le basculement des moyens de détection du deuxième état de détection vers le premier état de détection, et des moyens de commande destinés à générer un message représentatif d'une tentative d'ouverture du tablier lorsque les moyens de scrutation détectent le basculement des moyens de détection, et à le transmettre à la centrale de sécurité via les moyens de communication. La Fig. 1 montre un tel dispositif d'obturation motorisé d'une baie 100 qui est destiné à venir s'installer dans un coffre de volet d'un bâtiment au-dessus de la baie à obturer. Le dispositif d'obturation motorisé 100 comprend : The French patent application No. 08/57626 filed November 10, 2008 discloses a motorized shutter device of a bay overcomes this disadvantage. Said motorized shutter device comprises an apron, drive means for driving up and down said apron, detection means intended to be in a first detection state when the apron is at a low stop, and in a second state of detection when the apron is suspended, communication means for communicating with a security center, polling means for verifying the switchover of the detection means from the second detection state to the first detection state, and control means for generating a message representative of an attempt to open the apron when the scanning means detect the switching of the detection means, and to transmit it to the security center via the communication means. Fig. 1 shows such motorized shutter device of a bay 100 which is intended to be installed in a shutter box of a building above the bay to be closed. The motorized shutter device 100 comprises:
- un tablier 106, et,  an apron 106, and
- des moyens d'entraînement 102 constitués d'un tube moteur 103 et d'un tube d'enroulement 104 et destinés à entraîner en montée et en descente le tablier 106.  - Drive means 102 consisting of a motor tube 103 and a winding tube 104 and for driving up and down the deck 106.
Le tube moteur 103 est coaxial avec le tube d'enroulement 104 et il est disposé à l'intérieur de celui-ci. La fixation du tablier 106 sur le tube d'enroulement 104 s'effectue à l'aide d'un dispositif de verrouillage souple ou rigide.  The motor tube 103 is coaxial with the winding tube 104 and is disposed therein. The deck 106 is fixed to the winding tube 104 by means of a flexible or rigid locking device.
Généralement, le tablier 106 est constitué de lattes fixées les unes aux autres de manière à présenter un espace entre elles. Lorsque la latte la plus basse du tablier 106 arrive en butée, la latte suivante continue à descendre jusqu'à venir en butée contre la latte la plus basse, et ainsi de suite jusqu'à la latte fixée au tube d'enroulement 104, ainsi le tablier 106 devient progressivement rigide en partant de la latte la plus basse jusqu'au tube d'enroulement 104 et à travers la prise de l'arbre moteur 118 jusqu'au tube moteur 103. Lorsque la dernière latte du tablier 106 descend jusqu'à être en butée avec l'avant dernière latte du tablier 106, et que par conséquent le tablier 106 est entièrement déroulé, chaque latte étant en butée, la position du tablier 106 est dite « en butée basse ».  Generally, the deck 106 consists of slats attached to each other so as to have a space between them. When the lowest batten of the apron 106 comes into abutment, the next lath continues to descend until it abuts against the lowest lath, and so on until the batten attached to the winding tube 104, and the apron 106 becomes progressively rigid starting from the lowest lath up to the winding tube 104 and through the intake of the motor shaft 118 to the motor tube 103. When the last batten of the deck 106 goes down to to be in abutment with the penultimate batten of the apron 106, and that the apron 106 is fully unrolled, each batten being in abutment, the position of the deck 106 is said "low abutment".
La montée du tablier 106 s'effectue par enroulement dudit tablier 106 autour du tube d'enroulement 104 qui est entraîné en rotation par le tube moteur 103 autour de son axe X. La descente du tablier 106 s'effectue de la manière inverse.  The deck 106 is raised by winding said apron 106 around the winding tube 104 which is rotated by the motor tube 103 about its axis X. The descent of the deck 106 is performed in the opposite manner.
Le tube moteur 103 comprend un flasque 108 qui est monté fixe dans le coffre du volet roulant et un palier 110 monté mobile en rotation autour de l'axe X sur le flasque 108. Cette rotation possède un débattement limité d'environ vingt degrés autour de l'axe X. Le tube moteur 103 comprend également des moyens moteur 116, comme par exemple, un moteur, un frein et un réducteur. Le palier mobile 110 porte des moyens de détection 113. Le volet roulant motorisé 100 comprend également des moyens de commande 112 et des moyens de communication 120 qui sont par exemple disposés sur le palier mobile 110. Les moyens de commande 112 permettent de commander le démarrage et l'arrêt des moyens d'entraînement 102, et en particulier des moyens moteur 116. Lorsque le tablier 106 est en butée basse, c'est-à-dire que le tablier 106 est totalement déroulé, les moyens de détection 113 sont dits dans un premier état de détection, et lorsque le tablier 106 est suffisamment remonté pour entraîner le basculement des moyens de détection 113 du fait de la traction du tablier 106 sous l'effet de la pesanteur, les moyens de détection 113 sont dits dans un deuxième état de détection. The motor tube 103 comprises a flange 108 which is fixedly mounted in the trunk of the roller shutter and a bearing 110 rotatably mounted about the X axis on the flange 108. This rotation has a limited travel of about twenty degrees around the axis X. The motor tube 103 also comprises motor means 116, such as, for example, a motor, a brake and a gearbox. The movable bearing 110 carries detection means 113. The motorized shutter 100 also comprises control means 112 and communication means 120 which are for example arranged on the movable bearing 110. The control means 112 make it possible to control the starting and stopping the drive means 102, and in particular the motor means 116. When the apron 106 is at the bottom stop, that is to say that the apron 106 is completely unwound, the detection means 113 are said in a first detection state, and when the deck 106 is sufficiently raised to cause the tilting of the detection means 113 due to the traction of the deck 106 under the effect of gravity, the detection means 113 are said in a second detection state.
Un tel dispositif fonctionne suivant un procédé comprenant :  Such a device operates according to a method comprising:
- une étape de descente du tablier 106 jusqu'à ce que les moyens de détection 113 basculent dans le premier état de détection, étape au cours de laquelle les moyens de commande 112 commandent les moyens d'entraînement 102 en descente,  a step of lowering the apron 106 until the detection means 113 switch into the first detection state, during which the control means 112 control the drive means 102 downhill,
- une étape de montée du tablier 106 jusqu'à ce que les moyens de détection 113 basculent dans le deuxième état de détection, étape au cours de laquelle les moyens de commande 112 commandent les moyens d'entraînement 102 en montée,  a step of raising the apron 106 until the detection means 113 switch to the second detection state, a step during which the control means 112 control the drive means 102 while climbing,
- une étape de scrutation par des moyens de scrutation de l'état des moyens de détection 113 qui boucle sur elle-même tant que les moyens de détection 113 ne basculent pas du deuxième état de détection vers le premier état de détection,  a step of scanning by means of polling the state of the detection means 113 which loop on itself as long as the detection means 113 do not switch from the second detection state to the first detection state,
- une étape de génération d'un message représentatif d'une tentative d'ouverture du tablier 106 par les moyens de commande 112, et,  a step of generating a message representative of an attempt to open the apron 106 by the control means 112, and
- une étape de transmission dudit message par les moyens de commande 112 à la centrale de sécurité 150 via les moyens de communication 120.  a step of transmission of said message by the control means 112 to the security central 150 via the communication means 120.
Pour mettre en mode détection d'intrusion le dispositif, du fait de l'utilisation de moyens de détection comprenant deux positions, le dispositif a tout d'abord besoin de se mettre sur une position basse, puis ensuite sur une position dans laquelle le tablier 106 est légèrement remonté pour être en mode détection d'intrusion. Le fait de devoir remonter légèrement le tablier 106 provoque quelques ajours au niveau du haut du tablier 106 entre les lattes supérieures. Ceci peut être gênant, particulièrement lorsque le dispositif est utilisé pour obturer une fenêtre, puisque le tablier 106 ne peut alors empêcher le passage de la lumière.  To put the device in intrusion detection mode, because of the use of detection means comprising two positions, the device first needs to go to a low position, then to a position in which the apron 106 is slightly raised to be in intrusion detection mode. The fact of having to raise slightly the apron 106 causes some openings at the top of the deck 106 between the upper battens. This can be troublesome, especially when the device is used to close a window, since the apron 106 can not then prevent the passage of light.
Un objet de la présente invention est de proposer un dispositif d'obturation motorisé d'une baie comprenant des moyens prévus pour détecter une tentative d'intrusion, qui ne présente pas les inconvénients de l'art antérieur, et qui en particulier, permette une fermeture totale du tablier 106.  An object of the present invention is to propose a device for motorized closure of a rack comprising means provided for detecting an intrusion attempt, which does not have the drawbacks of the prior art, and which in particular allows a total closure of the apron 106.
L'invention concerne un dispositif d'obturation motorisé d'une baie comprenant : un tablier, des moyens d'entraînement destinés à entraîner en montée et en descente ledit tablier, les moyens d'entraînement comprenant un tube d'enroulement du tablier et un tube moteur coaxial, le tube moteur étant monté mobile en rotation autour de son axe, la rotation étant possible entre une première position et une deuxième position, des moyens de détection permettant de détecter une rotation du tube moteur, des moyens de commande destinés à générer un message représentatif d'une tentative d'ouverture du tablier lorsque les moyens de détection détectent une rotation du tube moteur, des moyens de communication destinés à émettre le message généré vers une centrale de sécurité. The invention relates to a device for motorized closing of a rack comprising: an apron, drive means for driving up and down said apron, the drive means comprising a winding tube of the apron and a coaxial motor tube, the motor tube being rotatably mounted about its axis, the rotation being possible between a first position and a second position, detection means for detecting a rotation of the motor tube, means for control intended to generate a message representative of an attempt to open the apron when the detection means detect a rotation of the motor tube, communication means for transmitting the generated message to a security center.
Avantageusement, le dispositif d'obturation de baie peut détecter une tentative d'intrusion sans que le tablier ne doive être en position légèrement remontée. Cela évite l'apparition d'ajours dans le tablier. Avantageusement, la solution proposée permet de concilier à la fois une obturation complète de la baie et une détection d'une intrusion.  Advantageously, the bay shutter device can detect an intrusion attempt without the apron must be in slightly raised position. This avoids the appearance of openings in the apron. Advantageously, the proposed solution reconciles both a complete closure of the array and detection of an intrusion.
Selon un mode de réalisation complémentaire de l'invention, les moyens de détection comprennent un gyroscope.  According to a complementary embodiment of the invention, the detection means comprise a gyroscope.
Selon un mode de réalisation complémentaire de l'invention, les moyens de détection comprennent un accéléromètre.  According to a complementary embodiment of the invention, the detection means comprise an accelerometer.
L'invention concerne également un procédé de détection d'une tentative d'ouverture d'un tablier d'un dispositif d'obturation motorisé d'une baie, le dispositif d'obturation motorisé comprenant : un tablier, des moyens d'entraînement destinés à entraîner en montée et en descente ledit tablier, les moyens d'entraînement comprenant un tube d'enroulement du tablier et un tube moteur coaxial, le tube moteur étant monté mobile en rotation autour de son axe, la rotation étant possible entre une première position et une deuxième position, des moyens de détection permettant de détecter une rotation du tube moteur, des moyens de commande destinés à générer un message représentatif d'une tentative d'ouverture du tablier lorsque les moyens de détection détectent une rotation du tube moteur, des moyens de communication destinés à émettre le message généré vers une centrale de sécurité, le procédé comprenant les étapes de : recevoir une instruction d'activation d'un mode alarme, descendre le tablier, détecter par les moyens de détection une première rotation du tube moteur, arrêter la descente du tablier afin que le tube moteur soit arrêté dans une position intermédiaire entre la première position et la deuxième position, détecter par les moyens de détection une deuxième rotation du tube moteur, générer un message représentatif d'une tentative d'ouverture du tablier par les moyens de commande, et, émettre ledit message vers la centrale de sécurité via les moyens de communication.  The invention also relates to a method for detecting an attempt to open an apron of a motorized shutter device of a rack, the motorized shutter device comprising: an apron, drive means intended to to drive up and down said apron, the drive means comprising a winding tube of the deck and a coaxial motor tube, the motor tube being rotatably mounted about its axis, the rotation being possible between a first position and a second position, detection means for detecting a rotation of the motor tube, control means for generating a message representative of an attempt to open the apron when the detection means detect a rotation of the motor tube, communication means for transmitting the generated message to a security central, the method comprising the steps of: receiving an activation instruction an alarm mode, down the apron, detect by the detection means a first rotation of the motor tube, stop the descent of the deck so that the motor tube is stopped in an intermediate position between the first position and the second position, detect by the detection means a second rotation of the motor tube, generate a message representative of an attempt to open the deck by the control means, and issue said message to the security center via the communication means.
Selon un mode de réalisation complémentaire de l'invention, avant l'étape de descente du tablier, le procédé comprend une étape de remontée du tablier afin de positionner le tube moteur dans la première position. Selon un mode de réalisation complémentaire de l'invention, l'étape détection d'une deuxième rotation du tube moteur est suivie d'une étape de descente du tablier jusqu'à ce que le tube moteur soit dans la deuxième position afin de bloquer le tablier. According to a complementary embodiment of the invention, before the step of lowering the apron, the method comprises a step of raising the apron to position the motor tube in the first position. According to a complementary embodiment of the invention, the step of detecting a second rotation of the motor tube is followed by a step of lowering the apron until the motor tube is in the second position to block the apron.
Selon un mode de réalisation complémentaire de l'invention, les étapes ultérieures à l'étape de détection d'une deuxième rotation ne sont réalisées que si la deuxième rotation est supérieure à un seuil prédéterminé.  According to a complementary embodiment of the invention, the steps subsequent to the step of detecting a second rotation are performed only if the second rotation is greater than a predetermined threshold.
L'invention concerne également un programme d'ordinateur comprenant des instructions pour mettre en œuvre, par un processeur, le procédé de détection d'une tentative d'ouverture d'un tablier d'un dispositif d'obturation motorisé d'une baie lorsque le programme d'ordinateur est exécuté par le processeur.  The invention also relates to a computer program comprising instructions for implementing, by a processor, the method of detecting an attempt to open an apron of a motorized shutter device of an array when the computer program is executed by the processor.
L'invention concerne également un support d'enregistrement sur lequel est stocké ledit programme d'ordinateur.  The invention also relates to a recording medium on which is stored said computer program.
La Fig. 1 représente une vue éclatée d'un dispositif d'obturation motorisé d'une baie tel que divulgué dans la demande de brevet français n° 08/57626 déposée le 10 novembre 2008,  Fig. 1 represents an exploded view of a motorized shutter device of a bay as disclosed in the French patent application No. 08/57626 filed November 10, 2008,
la Fig. 2 représente une vue éclatée d'un dispositif d'obturation motorisé d'une baie selon un mode de réalisation de l'invention,  FIG. 2 represents an exploded view of a motorized shutter device of a bay according to one embodiment of the invention,
la Fig. 3 est un organigramme d'un procédé de détection d'une tentative d'intrusion par relevage du tablier du dispositif d'obturation motorisé selon un mode de réalisation de l'invention, et,  FIG. 3 is a flowchart of a method for detecting an attempt to intrude by raising the apron of the motorized shutter device according to one embodiment of the invention, and
les Figs. 4, 5, 6, 7 et 8 représentent une vue schématique des positions respectives du tablier, du tube moteur et du tube d'enroulement à différentes étapes du procédé de détection d'une tentative d'intrusion par relevage du tablier du dispositif d'obturation motorisé selon un mode de réalisation de l'invention.  Figs. 4, 5, 6, 7 and 8 show a schematic view of the respective positions of the apron, the motor tube and the winding tube at different stages of the method of detecting an attempt to intrude by raising the device apron. Motorized shutter according to one embodiment of the invention.
La Fig. 1 montre un dispositif d'obturation motorisé 100 d'une baie qui est destiné à venir s'installer dans un coffre de volet d'un bâtiment au-dessus de la baie à obturer. Une description rapide d'un tel dispositif 100 est rappelée en préambule du présent texte, une description plus détaillée se trouve dans la demande de brevet français n° 08/57626 déposée le 10 novembre 2008 et publiée sous la référence 2 938 288 le 14 mai 2010.  Fig. 1 shows a motorized closure device 100 of a bay which is intended to be installed in a shutter box of a building above the bay to be closed. A quick description of such a device 100 is recalled in the preamble of the present text, a more detailed description is found in the French patent application No. 08/57626 filed November 10, 2008 and published under the reference 2 938 288 May 14 2010.
Dans l'art antérieur tel que défini par ladite demande de brevet, le principe de fonctionnement du dispositif 100 repose sur le fait que lorsque le tablier 106 est en butée basse, c'est-à-dire que le tablier 106 est totalement déroulé et les lattes en appui les unes sur les autres, les moyens de détection 113 sont dits dans un premier état de détection. Lorsque le tablier 106 est ensuite suffisamment remonté pour entraîner le basculement des moyens de détection 113 du fait de la traction du tablier 106 sous l'effet de la pesanteur, les moyens de détection 113 sont dits dans un deuxième état de détection. Si, lors d'une tentative d'intrusion, le tablier 106 est soulevé, les moyens de détection 113 passent alors du deuxième état de détection au premier état de détection, ce qui déclenche l'alarme. In the prior art as defined by said patent application, the principle of operation of the device 100 is based on the fact that when the deck 106 is at the bottom stop, that is to say that the deck 106 is fully unwound and the slats resting on each other, the detection means 113 are said in a first detection state. When the deck 106 is then sufficiently raised to cause the tilting of the detection means 113 due to the pulling of the deck 106 under the effect of gravity, the detection means 113 are said in a second detection state. If, during an intrusion attempt, the deck 106 is raised, the detection means 113 then pass from the second detection state to the first detection state, which triggers the alarm.
La Fig. 2 représente une vue éclatée d'un dispositif d'obturation motorisé 200 d'une baie selon un mode de réalisation de l'invention.  Fig. 2 shows an exploded view of a motorized shutter device 200 of a bay according to one embodiment of the invention.
Le dispositif d'obturation motorisé 200 est destiné à venir s'installer dans un coffre de volet d'un bâtiment au-dessus de la baie à obturer. Le dispositif d'obturation motorisé 200 comprend:  The motorized shutter device 200 is intended to be installed in a shutter box of a building above the bay to be closed. The motorized shutter device 200 comprises:
- un tablier 106, et,  an apron 106, and
- des moyens d'entraînement 102 constitués d'un tube moteur 103 et d'un tube d'enroulement 104 et destinés à entraîner en montée et en descente le tablier 106.  - Drive means 102 consisting of a motor tube 103 and a winding tube 104 and for driving up and down the deck 106.
Le tube moteur 103 est coaxial avec le tube d'enroulement 104 et il est disposé à l'intérieur de celui-ci. La fixation du tablier 106 sur le tube d'enroulement 104 s'effectue à l'aide d'un dispositif de verrouillage souple ou rigide.  The motor tube 103 is coaxial with the winding tube 104 and is disposed therein. The deck 106 is fixed to the winding tube 104 by means of a flexible or rigid locking device.
Généralement, le tablier 106 est constitué de lattes fixées les unes aux autres de manière à présenter un espace entre elles. Lorsque la latte la plus basse du tablier 106 arrive en butée, la latte suivante continue à descendre jusqu'à venir en butée contre la latte la plus basse, et ainsi de suite jusqu'à la latte fixée au tube d'enroulement 104, ainsi le tablier 106 devient progressivement rigide en partant de la latte la plus basse jusqu'au tube d'enroulement 104 et à travers la prise de l'arbre moteur 118 jusqu'au tube moteur 103. Lorsque la dernière latte du tablier 106 descend jusqu'à être en butée avec l'avant dernière latte du tablier 106, et que par conséquent le tablier 106 est entièrement déroulé, chaque latte étant en butée, la position du tablier 106 est dit « en butée basse ».  Generally, the deck 106 consists of slats attached to each other so as to have a space between them. When the lowest batten of the apron 106 comes into abutment, the next lath continues to descend until it abuts against the lowest lath, and so on until the batten attached to the winding tube 104, and the apron 106 becomes progressively rigid starting from the lowest lath up to the winding tube 104 and through the intake of the motor shaft 118 to the motor tube 103. When the last batten of the deck 106 goes down to to be in abutment with the penultimate batten of the apron 106, and that the apron 106 is completely unrolled, each batten being in abutment, the position of the deck 106 is said "low abutment".
La montée du tablier 106 s'effectue par enroulement dudit tablier 106 autour du tube d'enroulement 104 qui est entraîné en rotation par le tube moteur 103 autour de son axe X. La descente du tablier 106 s'effectue de la manière inverse.  The deck 106 is raised by winding said apron 106 around the winding tube 104 which is rotated by the motor tube 103 about its axis X. The descent of the deck 106 is performed in the opposite manner.
Le tube moteur 103 comprend un flasque 108 qui est monté fixe dans le coffre du volet roulant et un palier 110 monté mobile en rotation autour de l'axe X sur le flasque 108. Cette rotation possède un débattement limité d'environ vingt degrés autour de l'axe X. Ainsi, lorsque le tablier 106 n'est pas totalement déroulé, et sous l'effet de la gravité, le poids des lattes du tablier 106 suspendues fait que le tube moteur 103 est en butée dans une première position, dite « butée haute ». A l'opposé, lorsque le tablier 106 est totalement déroulé et que les lattes du tablier 106 sont en contact les unes avec les autres, alors le tube moteur 103 est en butée dans une deuxième position dite « butée basse ». Dans cette position, la rotation du tube moteur 103 et du tube d'enroulement 104 est bloquée. Le blocage est dû d'une part au fait que le tube moteur 103 est en butée, et d'autre part au fait que toutes les lattes du tablier 106 sont en appui les unes avec les autres. La première et la deuxième positions correspondent aux deux positions extrêmes du débattement du palier 110. The motor tube 103 comprises a flange 108 which is fixedly mounted in the trunk of the roller shutter and a bearing 110 rotatably mounted about the X axis on the flange 108. This rotation has a limited travel of about twenty degrees around the axis X. Thus, when the deck 106 is not fully unwound, and under the effect of gravity, the weight of the slats of the apron 106 suspended that the motor tube 103 abuts in a first position, called "high stop". In contrast, when the deck 106 is fully unwound and the slats of the deck 106 are in contact with each other, then the motor tube 103 abuts in a second position called "low stop". In this position, the rotation of the motor tube 103 and the winding tube 104 is blocked. The blockage is due firstly to the fact that the motor tube 103 is in abutment, and secondly to the fact that all the slats of the deck 106 are in contact with each other. The first and second positions correspond to the two extreme positions of the travel of the landing 110.
Le tube moteur 103 comprend également des moyens moteur 116, comme par exemple, un moteur, un frein et un réducteur. Le palier mobile 110 porte des moyens de détection 213. Le volet roulant motorisé 100 comprend également des moyens de commande 112 et des moyens de communication 120 qui sont par exemple disposés sur le palier mobile 110. Les moyens de commande 112 permettent de commander le démarrage et l'arrêt des moyens d'entraînement 102, et en particulier des moyens moteur 116.  The motor tube 103 also comprises motor means 116, such as, for example, a motor, a brake and a gearbox. The movable bearing 110 carries detection means 213. The motorized shutter 100 also comprises control means 112 and communication means 120 which are for example arranged on the movable bearing 110. The control means 112 make it possible to control the starting and stopping the drive means 102, and in particular the motor means 116.
Les moyens de détection 213 comprennent un capteur proportionnel de position de type gyroscope ou accéléromètre. Les moyens de détection 213 permettent de mesurer une rotation du tube moteur 103 par rapport à son axe de rotation, typiquement l'axe horizontal.  The detection means 213 comprise a proportional position sensor of the gyroscope or accelerometer type. The detection means 213 make it possible to measure a rotation of the motor tube 103 relative to its axis of rotation, typically the horizontal axis.
Les moyens de communication 120 sont destinés à communiquer avec une centrale de sécurité 150, par exemple du type alarme. Les moyens de communication 120 peuvent être des moyens filaires ou radio ou autres.  The communication means 120 are intended to communicate with a security center 150, for example of the alarm type. The communication means 120 may be wired or radio or other means.
La centrale de sécurité 150 comprend des moyens de communication 152 destinés à dialoguer avec les moyens de communication 120 des moyens de commande 112 et des moyens d'avertissement 154, par exemple du type haut-parleur.  The security central 150 comprises communication means 152 for dialogue with the communication means 120 of the control means 112 and warning means 154, for example of the speaker type.
La Fig. 3 est un organigramme d'un procédé de détection d'une tentative d'intrusion par relevage du tablier 106 du dispositif d'obturation motorisé 200 selon un mode de réalisation de l'invention.  Fig. 3 is a flowchart of a method of detecting an attempted intrusion by raising the deck 106 of the motorized shutter device 200 according to one embodiment of the invention.
Les moyens de commande 112 comprennent généralement un processeur qui reçoit des informations en provenance en particulier des moyens de communication 120 ou des moyens de détection 213 et envoie des ordres aux moyens de communication 120 et aux moyens d'entraînement 102.  The control means 112 generally comprise a processor which receives information coming in particular from the communication means 120 or detection means 213 and sends commands to the communication means 120 and the drive means 102.
Ainsi, le processeur des moyens de commande 112 est adapté pour réaliser les étapes du procédé décrites ci-après. La première étape 301 correspond à la réception d'un message, par exemple via les moyens de communication 120, le message comprenant une information ou instruction d'activation d'un mode « alarme ». Le message est typiquement envoyé par la centrale de sécurité 150. Thus, the processor of the control means 112 is adapted to carry out the process steps described below. The first step 301 corresponds to the reception of a message, for example via the communication means 120, the message comprising information or instructions for activating an "alarm" mode. The message is typically sent by the security center 150.
Selon la position du tablier 106 lorsque le message d'activation de l'alarme est reçu, une étape 305 de positionnement est réalisée ou non.  Depending on the position of the deck 106 when the activation message of the alarm is received, a positioning step 305 is performed or not.
Ainsi, si le tablier 106 est dans la deuxième position « butée basse », alors l'étape 305 est réalisée. Sinon, l'étape suivante est l'étape 310.  Thus, if the apron 106 is in the second position "low stop", then the step 305 is performed. Otherwise, the next step is step 310.
Dans l'étape 305, les moyens de commande 112 activent la remontée du tablier 106 suffisamment pour que le tube moteur 103 vienne en butée dans la première position dite « butée haute » sous le poids des quelques lattes du tablier 106 relevées. Selon un mode de réalisation de l'invention, les moyens de commande 112 activent la remontée du tablier 106 pendant un temps prédéterminé, le temps prédéterminé étant prévu pour que le tablier 106 puisse être remonté d'une hauteur garantissant la rotation du tube moteur 103 sous l'effet de la gravité des lattes du tablier 106. Le tablier 106 est remonté afin que quelques lattes, les lattes supérieures, ne reposent plus en contact sur les lattes inférieures. Le nombre de lattes devant être soulevées dépend de leurs poids ainsi que des forces de friction pouvant empêcher le tube moteur 103 de pivoter. Le poids des lattes soulevées garantit, par l'effet de la gravité, que le tube moteur 103 revienne dans la première position dite « butée haute ».  In step 305, the control means 112 activate the raising of the deck 106 sufficiently for the motor tube 103 to abut in the first position called "high stop" under the weight of a few slats apron 106 raised. According to one embodiment of the invention, the control means 112 activate the raising of the deck 106 for a predetermined time, the predetermined time being provided so that the deck 106 can be raised from a height ensuring the rotation of the motor tube 103 under the effect of the severity of the slats of the deck 106. The deck 106 is raised so that some slats, the upper battens, no longer rest in contact on the lower battens. The number of slats to be lifted depends on their weights as well as the frictional forces that can prevent the motor tube 103 from pivoting. The weight of the raised slats guarantees, by the effect of gravity, that the motor tube 103 returns to the first so-called "high stop" position.
Ainsi, l'étape suivante 310 est réalisée en partant dans tous les cas d'une situation dans laquelle le tube moteur 103 est dans la première position dite « butée haute ».  Thus, the next step 310 is performed starting in all cases of a situation in which the motor tube 103 is in the first position called "high stop".
Dans l'étape 310, les moyens de commande 112 commandent la descente du tablier 106. Cette descente du tablier 106 est réalisée par la mise en rotation du tube moteur 103 par les moyens moteur 116 dans le sens adéquat pour que le tube d'enroulement 104 puisse dérouler le tablier 106. Cette étape est illustrée dans les Figs. 4, 5 et 6. Dans ces Figs. 4, 5 et 6, le tube moteur 103 est dans la première position dite « butée haute », première position faisant un angle arbitrairement défini de X degrés par rapport à la verticale. Dans la Fig. 4 le tablier 106 descend, le tablier 106 n'étant pas encore en contact avec le sol. Dans la Fig. 5, la latte inférieure du tablier 106 entre en contact avec le sol, les lattes inférieures du tablier 106 commencent alors à réduire l'écart inter-lattes. Dans les Figs. 4 et 5, le tube d'enroulement 104 est déroulé dans le sens horaire afin de permettre la descente du tablier 106. La Fig. 6 correspond au moment où la dernière latte du tablier 106, la latte supérieure, comble son écart avec l'avant dernière latte du tablier 106. A partir de ce moment, les lattes sont en contact et la rotation du tube d'enroulement 104 est bloquée. La rotation du tube d'enroulement 104 étant bloquée par le déroulement total du tablier 106, le tube moteur 103, en prise directe avec le tube d'enroulement 104 via la prise de l'arbre moteur 118, est, par réaction, mis en rotation dans le sens antihoraire. Ainsi, partant de la première position dite « butée haute », le tube moteur 103 va avoir tendance à tourner, dans le cas présent dans le sens antihoraire, pour aller, s'il n'était pas arrêté dans sa rotation comme décrit ci-après, jusqu'à la deuxième position dite « butée basse ». In step 310, the control means 112 control the descent of the deck 106. This descent of the deck 106 is achieved by the rotation of the motor tube 103 by the motor means 116 in the appropriate direction for the winding tube 104 can unwind the deck 106. This step is illustrated in Figs. 4, 5 and 6. In these Figs. 4, 5 and 6, the motor tube 103 is in the first position called "high stop", first position making an arbitrarily defined angle of X degrees with respect to the vertical. In FIG. 4 the apron 106 down, the deck 106 not yet in contact with the ground. In FIG. 5, the lower batten of the apron 106 comes into contact with the ground, the lower slats of the deck 106 then begin to reduce the inter-slat gap. In Figs. 4 and 5, the winding tube 104 is unwound in a clockwise direction to allow the deck 106 to descend. FIG. 6 corresponds to the moment when the last lath of apron 106, the upper lath, fills her gap with the penultimate batten of the deck 106. From this moment, the laths are in contact and the rotation of the winding tube 104 is blocked. The rotation of the winding tube 104 being blocked by the total unwinding of the apron 106, the motor tube 103, in direct contact with the winding tube 104 via the engagement of the drive shaft 118, is, by reaction, set in motion. rotation counterclockwise. Thus, starting from the first so-called "high stop" position, the motor tube 103 will tend to rotate, in the present case counterclockwise, to go, if it were not stopped in its rotation as described above. afterwards, to the second position called "low stop".
Dans une étape suivante 315, les moyens de détection 213 détectent cette mise en rotation du tube moteur 103. Les moyens de détection 213 peuvent comprendre un accéléromètre ou un gyroscope pour détecter cette rotation du tube moteur 103. Une sensibilité de l'ordre de quelques degrés des moyens de détection 213 est suffisante.  In a following step 315, the detection means 213 detect this rotation of the motor tube 103. The detection means 213 may comprise an accelerometer or a gyroscope to detect this rotation of the motor tube 103. A sensitivity of the order of a few degrees of detection means 213 is sufficient.
Dans une étape suivante 320, suite à la détection de la mise en rotation du tube moteur 103, les moyens de commande 112 arrêtent les moyens moteur 116. Dans le cas de moyens moteur 116 de type moteur sans balais (ou « brushless » en anglais), l'inertie du moteur est très faible, la commande d'arrêt du moteur peut être lancée après que le tube moteur 103 ait subi une rotation de l'ordre de quelques degrés.  In a following step 320, following the detection of the rotation of the motor tube 103, the control means 112 stop the motor means 116. In the case of motor means 116 of brushless motor type (or "brushless" in English ), the inertia of the engine is very low, the engine stop command can be started after the motor tube 103 has been rotated by a few degrees.
Dans l'étape 315, le dispositif d'obturation motorisé 200 détecte que le tube moteur 103 est en rotation puis, dans l'étape 320, le dispositif d'obturation motorisé 200 arrête la rotation du tube moteur 103 afin que celui-ci soit dans une position intermédiaire entre la première position dite « butée haute » et la deuxième position dite « butée basse ». L'angle de rotation total entre la première position et la deuxième position correspond à l'angle de débattement limité permis par la flasque 108 et le palier 110. Cet angle est typiquement de l'ordre de vingt degrés. Par exemple, le dispositif d'obturation motorisé 200 arrête la rotation du tube moteur 103 après avoir détecté, dans l'étape 315, une rotation de l'ordre de quelques degrés, par exemple cinq degrés.  In step 315, the motorized shutter device 200 detects that the motor tube 103 is rotating and, in the step 320, the motorized shutter device 200 stops the rotation of the motor tube 103 so that it is in an intermediate position between the first position called "high stop" and the second position called "low stop". The total angle of rotation between the first position and the second position corresponds to the limited deflection angle allowed by the flange 108 and the bearing 110. This angle is typically of the order of twenty degrees. For example, the motorized shutter device 200 stops the rotation of the motor tube 103 after having detected, in the step 315, a rotation of the order of a few degrees, for example five degrees.
Selon un mode de réalisation de l'invention, suite à la détection dans l'étape 315 de la mise en rotation du tube moteur 103, les moyens de commande 112 attendent un temps prédéterminé avant d'arrêter les moyens moteur 116. Le temps prédéterminé est défini selon la vitesse de rotation afin que la rotation du tube moteur 103 atteigne in fine un angle, dit angle d'arrêt, de quelques degrés, inférieur au débattement disponible. Selon un autre mode de réalisation de l'invention, suite à la détection dans l'étape 315 de la mise en rotation du tube moteur 103, les moyens de commande 112 arrêtent les moyens moteur 116 après que la rotation détectée par les moyens de détection 213 ait atteint un angle prédéterminé, dit angle d'arrêt, cet angle d'arrêt étant inférieur au débattement disponible. Selon un autre mode de réalisation de l'invention, les moyens de commande 112 arrêtent les moyens moteur 116 immédiatement, l'inertie du tube moteur 103 permettant une rotation supplémentaire de quelques degrés avant l'arrêt du tube moteur 103. According to one embodiment of the invention, following the detection in step 315 of the rotation of the motor tube 103, the control means 112 wait a predetermined time before stopping the motor means 116. The predetermined time is defined according to the speed of rotation so that the rotation of the motor tube 103 reaches ultimately an angle, said stopping angle of a few degrees, less than the available travel. According to another embodiment of the invention, following the detection in step 315 of the rotation of the motor tube 103, the control means 112 stop the motor means 116 after the rotation detected by the detection means 213 has reaches a predetermined angle, said stopping angle, this stopping angle being less than the available travel. According to another embodiment of the invention, the control means 112 stop the motor means 116 immediately, the inertia of the motor tube 103 allowing a further rotation of a few degrees before stopping the motor tube 103.
Ainsi, suite à l'étape 315, le tube moteur 103 peut encore tourner avant de venir en butée dans la deuxième position dite « butée basse ». La rotation encore possible correspondant à la différence entre le débattement disponible et l'angle d'arrêt. Par exemple, pour un débattement de vingt degrés et un arrêt, lors de l'étape 320, après cinq degrés, le tube moteur 103 peut potentiellement encore pivoter de quinze degrés.  Thus, following step 315, the motor tube 103 can still rotate before coming into abutment in the second position called "low stop". The still possible rotation corresponding to the difference between the available travel and the stopping angle. For example, for a travel of twenty degrees and a stop, in step 320, after five degrees, the motor tube 103 can potentially still rotate fifteen degrees.
Une personne voulant entrer par effraction tentera de soulever le tablier 106 afin de forcer l'ouverture de la baie, par exemple une porte ou une fenêtre, obturé par le dispositif d'obturation 200. Le tube d'enroulement 104 étant en appui sur le tablier 106, toute tentative de soulèvement du tablier 106 provoquera donc une mise en rotation du tube d'enroulement 104, et par conséquent du tube moteur 103, le tube d'enroulement 104 et le tube moteur 103 étant en prise via la prise de l'arbre moteur 118.  A person wanting to break in will attempt to lift the deck 106 to force the opening of the bay, for example a door or window, closed by the shutter 200. The winding tube 104 being supported on the apron 106, any attempt to lift the deck 106 will therefore cause a rotation of the winding tube 104, and therefore the motor tube 103, the winding tube 104 and the motor tube 103 being engaged via the socket motor shaft 118.
Dans une étape 325, les moyens de détection 213 scrutent une mise en rotation du tube moteur 103 consécutive à une tentative d'intrusion. Cette étape 325 boucle tant que l'alarme est active et qu'aucune rotation n'est détectée.  In a step 325, the detection means 213 scan a rotation of the motor tube 103 following an intrusion attempt. This step 325 loops as long as the alarm is active and no rotation is detected.
Si les moyens de détection 213 détectent une mise en rotation du tube moteur 103, alors le dispositif d'obturation 200 passe à l'étape 330. Selon un mode de réalisation de l'invention, la rotation détectée lors de l'étape 325 doit être supérieure à un seuil. Ainsi, le dispositif d'obturation motorisé 200 peut ignorer la mise en rotation du tube moteur 103 tant que l'angle de ladite rotation détectée est inférieur à un seuil prédéterminé. Le seuil prédéterminé correspond à un angle et est par exemple égal à quatre degrés. Cela permet de réduire les fausses alarmes en cas de mouvement du tablier 106 sous l'effet par exemple du vent. Inversement, pour rendre le dispositif d'obturation motorisé 200 le plus sensible possible à une possible tentative d'intrusion, le seuil prédéterminé peut être réduit au minimum, par exemple deux degrés, c'est à dire à la sensibilité permise par les moyens de détection 213.  If the detection means 213 detect a rotation of the motor tube 103, then the shutter device 200 goes to the step 330. According to one embodiment of the invention, the rotation detected during the step 325 must be greater than a threshold. Thus, the motorized shutter device 200 can ignore the rotation of the motor tube 103 as the angle of said detected rotation is less than a predetermined threshold. The predetermined threshold corresponds to an angle and is for example equal to four degrees. This reduces false alarms in case of movement of the deck 106 under the effect of eg wind. Conversely, in order to render the motorized shutter device 200 as sensitive as possible to a possible intrusion attempt, the predetermined threshold can be reduced to a minimum, for example two degrees, ie to the sensitivity allowed by the control means. detection 213.
L'étape 330 correspond au déclenchement de l'alarme. Les moyens de commande 112 pilotent les moyens de communication 120 afin d'envoyer un message à la centrale de sécurité 150. Le message comprend une information de détection d'intrusion. La centrale de sécurité 150 peut déclencher alors une alarme visuelle, sonore ou autre, ou envoyer un message d'alarme à un dispositif. Step 330 corresponds to the triggering of the alarm. The control means 112 control the communication means 120 in order to send a message to the security center 150. The message comprises an intrusion detection information. The security central 150 can then trigger a visual, audible or other alarm, or send an alarm message to a device.
Dans une étape suivante optionnelle 335, les moyens de commande 112 provoquent la fermeture totale du tablier 106. Pour cela, les moyens de commande 112 provoquent la rotation du tube moteur 103 jusqu'à le bloquer dans la deuxième position dite « butée basse ». Le tablier 106 est alors dans une position bloquée et ne peut plus être remonté de force. En effet, le tube moteur 103 étant en butée dans la deuxième position dite « butée basse », la rotation du tube d'enroulement 104, dans le sens permettant la remontée du tablier 106, est alors bloquée.  In an optional next step 335, the control means 112 cause the total closure of the deck 106. For this, the control means 112 cause the rotation of the motor tube 103 to block in the second position called "low stop". The apron 106 is then in a locked position and can not be reassembled by force. Indeed, the motor tube 103 being abutted in the second position called "low stop", the rotation of the winding tube 104 in the direction allowing the raising of the deck 106, is then blocked.
Selon un mode de réalisation de l'invention, lors de l'étape 330, la centrale de sécurité 150 envoie un ordre de fermeture à tout autre dispositif d'obturation de baie, par exemple similaire au dispositif d'obturation de baie 100 ou bien 200, connecté à ladite centrale de sécurité 150.  According to one embodiment of the invention, during step 330, the security central 150 sends a closing command to any other bay closure device, for example similar to the bay closure device 100 or else 200, connected to said security central 150.

Claims

REVENDICATIONS
1) Dispositif d'obturation motorisé (200) d'une baie comprenant : Motorized shutter device (200) for a rack comprising:
- un tablier (106),  an apron (106),
des moyens d'entraînement (102) destinés à entraîner en montée et en descente ledit tablier, les moyens d'entraînement comprenant un tube d'enroulement (104) du tablier et un tube moteur (103) coaxial, le tube moteur étant monté mobile en rotation autour de son axe, la rotation étant possible entre une première position et une deuxième position, des moyens de détection (213) permettant de détecter une rotation du tube moteur (103),  drive means (102) for driving up and down said apron, the driving means comprising a winding tube (104) of the apron and a coaxial motor tube (103), the motor tube being movably mounted in rotation about its axis, the rotation being possible between a first position and a second position, detection means (213) for detecting a rotation of the motor tube (103),
des moyens de commande (112) destinés à générer un message représentatif d'une tentative d'ouverture du tablier lorsque les moyens de détection détectent une rotation du tube moteur, des moyens de communication (120) destinés à émettre le message généré vers une centrale de sécurité (150),  control means (112) for generating a message representative of an attempt to open the apron when the detection means detect a rotation of the motor tube, communication means (120) for transmitting the generated message to a central unit security (150),
le dispositif d'obturation motorisé étant caractérisé en ce qu'il est adapté pour mettre en œuvre les étapes d'un procédé de détection d'une tentative d'ouverture du tablier selon l'une des revendications 4 à 7.  the motorized shutter device being characterized in that it is adapted to implement the steps of a method of detecting an attempt to open the deck according to one of claims 4 to 7.
2) Dispositif d'obturation motorisé (200) d'une baie selon la revendication 1, les moyens de détection comprenant un gyroscope. 2) motorized shutter device (200) of a bay according to claim 1, the detection means comprising a gyroscope.
3) Dispositif d'obturation motorisé (200) d'une baie selon la revendication 1, les moyens de détection comprenant un accéléromètre. 3) motorized shutter device (200) of a bay according to claim 1, the detection means comprising an accelerometer.
4) Procédé de détection d'une tentative d'ouverture d'un tablier ( 106) d'un dispositif d'obturation motorisé (200) d'une baie, le dispositif d'obturation motorisé comprenant : 4) A method of detecting an attempt to open an apron (106) of a motorized shutter device (200) of a bay, the motorized shutter device comprising:
- un tablier (106),  an apron (106),
des moyens d'entraînement (102) destinés à entraîner en montée et en descente ledit tablier, les moyens d'entraînement comprenant un tube d'enroulement (104) du tablier et un tube moteur (103) coaxial, le tube moteur étant monté mobile en rotation autour de son axe, la rotation étant possible entre une première position et une deuxième position, des moyens de détection (213) permettant de détecter une rotation du tube moteur (103), drive means (102) for driving up and down said apron, the driving means comprising a winding tube (104) of the apron and a coaxial motor tube (103), the motor tube being movably mounted in rotation about its axis, the rotation being possible between a first position and a second position, detection means (213) for detecting rotation of the motor tube (103),
des moyens de commande (112) destinés à générer un message représentatif d'une tentative d'ouverture du tablier lorsque les moyens de détection détectent une rotation du tube moteur, des moyens de communication (120) destinés à émettre le message généré vers une centrale de sécurité (150),  control means (112) for generating a message representative of an attempt to open the apron when the detection means detect a rotation of the motor tube, communication means (120) for transmitting the generated message to a central unit security (150),
le procédé comprenant les étapes de :  the method comprising the steps of:
recevoir (301) une instruction d'activation d'un mode alarme, descendre (310) le tablier,  receiving (301) an instruction for activating an alarm mode, lowering (310) the apron,
détecter (315) par les moyens de détection une première rotation du tube moteur,  detecting (315) by the detecting means a first rotation of the motor tube,
arrêter (320) la descente du tablier afin que le tube moteur soit arrêté dans une position intermédiaire entre la première position et la deuxième position,  stopping (320) the descent of the apron so that the motor tube is stopped in an intermediate position between the first position and the second position,
détecter (325) par les moyens de détection une deuxième rotation du tube moteur,  detecting (325) by the detecting means a second rotation of the motor tube,
générer (330) un message représentatif d'une tentative d'ouverture du tablier par les moyens de commande, et,  generating (330) a message representative of an attempt to open the apron by the control means, and,
émettre (330) ledit message vers la centrale de sécurité (150) via les moyens de communication (120).  transmitting (330) said message to the security center (150) via the communication means (120).
5) Procédé de détection d'une tentative d'ouverture d'un tablier selon la revendication 4, caractérisé en ce que, avant l'étape de descente (310) du tablier, le procédé comprend une étape (305) de remontée du tablier afin de positionner le tube moteur dans la première position. 5) Method for detecting an attempt to open an apron according to claim 4, characterized in that, before the step of lowering (310) of the deck, the method comprises a step (305) of raising the deck to position the motor tube in the first position.
6) Procédé de détection selon l'une des revendications 4 ou 5, caractérisé en ce que l'étape détection (325) d'une deuxième rotation du tube moteur est suivie d'une étape de descente du tablier jusqu'à ce que le tube moteur soit dans la deuxième position afin de bloquer le tablier. 7) Procédé de détection selon l'une des revendications 4, 5 ou 6, caractérisé en ce que les étapes ultérieures à l'étape de détection (325) d'une deuxième rotation ne sont réalisées que si la deuxième rotation est supérieure à un seuil prédéterminé. 6) Detection method according to one of claims 4 or 5, characterized in that the detection step (325) of a second rotation of the motor tube is followed by a lowering step of the deck until the engine tube is in the second position to block the deck. 7) Detection method according to one of claims 4, 5 or 6, characterized in that the steps subsequent to the step of detecting (325) a second rotation are performed only if the second rotation is greater than one predetermined threshold.
8) Programme d'ordinateur, caractérisé en ce qu'il comprend des instructions pour mettre en œuvre, par un processeur, le procédé de détection d'une tentative d'ouverture d'un tablier d'un dispositif d'obturation motorisé d'une baie, selon l'une des revendications 4 à 7, lorsque le programme d'ordinateur est exécuté par le processeur. 8) Computer program, characterized in that it comprises instructions for implementing, by a processor, the method of detecting an attempt to open an apron of a motorized shutter device. a rack, according to one of claims 4 to 7, when the computer program is executed by the processor.
9) Support d'enregistrement sur lequel est stocké le programme d'ordinateur selon la revendication précédente. 9) Recording medium on which is stored the computer program according to the preceding claim.
2/4 2/4
Fig. 3 Fig. 3
Fig.8  Fig.8
EP18725773.8A 2017-05-12 2018-05-04 Motorised roller shutter Active EP3622160B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1754204A FR3066222A1 (en) 2017-05-12 2017-05-12 MOTORIZED ROLLING SHUTTER
PCT/EP2018/061536 WO2018206440A1 (en) 2017-05-12 2018-05-04 Motorised roller shutter

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EP3622160A1 true EP3622160A1 (en) 2020-03-18
EP3622160B1 EP3622160B1 (en) 2021-06-30

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FR (1) FR3066222A1 (en)
WO (1) WO2018206440A1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9115538B2 (en) * 2007-06-07 2015-08-25 Vkr Holding A/S Screening device with an electronic motion sensor
FR2938288B1 (en) * 2008-11-10 2010-12-17 Delta Dore MOTORIZED ROLLING SHUTTER

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WO2018206440A1 (en) 2018-11-15
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EP3622160B1 (en) 2021-06-30

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