EP0533625B1 - Security device for roller door or shutter - Google Patents

Security device for roller door or shutter Download PDF

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Publication number
EP0533625B1
EP0533625B1 EP92810686A EP92810686A EP0533625B1 EP 0533625 B1 EP0533625 B1 EP 0533625B1 EP 92810686 A EP92810686 A EP 92810686A EP 92810686 A EP92810686 A EP 92810686A EP 0533625 B1 EP0533625 B1 EP 0533625B1
Authority
EP
European Patent Office
Prior art keywords
door
roller blind
information processing
processing means
roller
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.)
Expired - Lifetime
Application number
EP92810686A
Other languages
German (de)
French (fr)
Other versions
EP0533625A1 (en
Inventor
Jean-Michel Orsat
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Somfy SA
Original Assignee
Somfy SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Somfy SA filed Critical Somfy SA
Publication of EP0533625A1 publication Critical patent/EP0533625A1/en
Application granted granted Critical
Publication of EP0533625B1 publication Critical patent/EP0533625B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling
    • E—FIXED CONSTRUCTIONS
    • 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
    • E06B2009/6836—Control using sensors sensing obstacle
    • 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 subject of the invention is a security device for a motorized door or rolling shutter and having a flexible structure such as slats comprising an information processing means located on one side of the door or rolling shutter near the axis d winding of the door or rolling shutter and to which information representative of the movement of the door or rolling shutter is transmitted by means of a non-elastic flexible element held taut between the free transverse edge of the door or rolling shutter and the processing means of information.
  • a device of this kind is known from patent application FR 2 657 646 in the name of the applicant.
  • This device comprises a signal generator comprising a pulley mounted at one end of the winding shaft and on which a wire is wound, the end of which is fixed to the lower edge of the rolling shutter, on the same side as the pulley, this both for aesthetic reasons, the wire must be as little visible as possible, and for mechanical reasons, the wire must deviate as little as possible from the plane of the pulley.
  • Such a device is intended above all to stop the descent of the door or roller shutter when it encounters an obstacle. Such a stop is particularly necessary when the obstacle is constituted by the head or the fingers of a child.
  • the doors and the roller shutters generally consist of blades having a certain degree of freedom between them, so that it can happen that the door or the roller shutter continues its descent on the side where the wire is attached, while the other side encountered an obstacle, the first blade taking an oblique position.
  • the reaction delay of the safety device can thus lead to a dangerous crushing of the obstacle encountered or to deterioration of the roller shutter.
  • the object of the present invention is to provide a construction which overcomes the aforementioned drawback.
  • the safety device is characterized in that the end of the flexible element opposite the information processing means is fixed at a fixed point located on the other side of the door or roller shutter, near the winding axis, and that the flexible element passes over two references mounted approximately at each end of the free transverse edge of the door or roller shutter.
  • any obstacle encountered at any point on the transverse lower edge of the door or roller shutter results in a clear variation in the speed of movement, in particular of unwinding, of the flexible element, a variation which is detected by the information processing means.
  • the safety device according to the invention does not apply only to doors and roller shutters with blades, but to all doors or roller shutters having a flexible structure allowing an oblique position of its lower edge.
  • the flexible element is not necessarily unwound from a pulley, but it could be attached to a spring or any other linear return system or not.
  • the single figure of the drawing schematically represents a rolling shutter 1 during the unwinding of a winding drum 2 and whose blades are guided by two vertical slides 3 and 4.
  • an information processing device 6 In the extension of the axis 5 of the drum winding, is mounted an information processing device 6 to which are transmitted information relating to the movement of the terminal blade 11 of the roller shutter transmitted by a wire 7.
  • the information is transmitted, for example, by means of a generator of signals comprising a pulley on which the wire 7 is wound, as described in patent application FR 2 657 646.
  • the other end of the wire 7 is attached at a fixed point 8 on the other side of the roller shutter, near of the axis 5 and the wire 7 also passes over two references constituted by rollers 9 and 10 mounted near each of the ends of the terminal strip 11 constituting the lower edge of the roller shutter.
  • the invention can be used with any means of processing information formed by the sudden variation in the speed of movement of the flexible element 7.

Abstract

The safety device is intended to stop the motor driving a roller door or blind when the latter encounters an obstacle during its downward travel. It is of the type having a cord (7) following the displacement of the roller blind, for example by being wound over a pulley forming part of an information processing means (6). In order to prevent an encountered obstacle from causing the lower slat of the roller blind to tilt without the motor being immediately stopped, the end of the cord is attached at a fixed point (8) located on the other side of the roller blind and the cord passes over two return pulleys (9, 10) mounted near the ends of the lower slat (11). <IMAGE>

Description

L'invention a pour objet un dispositif de sécurité pour porte ou volet roulant motorisé et présentant une structure souple telle que lames comprenant un moyen de traitement d'information situé d'un côté de la porte ou volet roulant à proximité de l'axe d'enroulement de la porte ou volet roulant et auquel sont transmises des informations représentatives du déplacement de la porte ou volet roulant au moyen d'un élément souple non élastique maintenu tendu entre le bord transversal libre de la porte ou volet roulant et le moyen de traitement d'information.The subject of the invention is a security device for a motorized door or rolling shutter and having a flexible structure such as slats comprising an information processing means located on one side of the door or rolling shutter near the axis d winding of the door or rolling shutter and to which information representative of the movement of the door or rolling shutter is transmitted by means of a non-elastic flexible element held taut between the free transverse edge of the door or rolling shutter and the processing means of information.

Un dispositif de ce genre est connu de la demande de brevet FR 2 657 646 au nom de la demanderesse. Ce dispositif comprend un générateur de signal comportant une poulie montée à une extrémité de l'arbre d'enroulement et sur laquelle s'enroule un fil dont l'extrémité est fixée au bord inférieur du volet roulant, du même côté que la poulie, ceci à la fois pour des raisons d'esthétique, le fil devant être aussi peu visible que possible, et pour des raisons mécaniques, le fil devant s'écarter aussi peu que possible du plan de la poulie.A device of this kind is known from patent application FR 2 657 646 in the name of the applicant. This device comprises a signal generator comprising a pulley mounted at one end of the winding shaft and on which a wire is wound, the end of which is fixed to the lower edge of the rolling shutter, on the same side as the pulley, this both for aesthetic reasons, the wire must be as little visible as possible, and for mechanical reasons, the wire must deviate as little as possible from the plane of the pulley.

Un tel dispositif est destiné avant tout à stopper la descente de la porte ou volet roulant lorsque celui-ci rencontre un obstacle. Un tel arrêt est particulièrement nécessaire lorsque l'obstacle est constitué par la tête ou les doigts d'un enfant. Or, les portes et les volets roulants sont généralement constitués de lames présentant un certain degré de liberté entre elles, de telle sorte qu'il peut arriver que la porte ou le volet roulant poursuive sa descente du côté où le fil est attaché, alors que l'autre côté a rencontré un obstacle, la première lame prenant une position oblique. La réaction tardive du dispositif de sécurité peut ainsi entraîner un écrasement dangereux de l'obstacle rencontré ou à une détérioration du volet roulant.Such a device is intended above all to stop the descent of the door or roller shutter when it encounters an obstacle. Such a stop is particularly necessary when the obstacle is constituted by the head or the fingers of a child. However, the doors and the roller shutters generally consist of blades having a certain degree of freedom between them, so that it can happen that the door or the roller shutter continues its descent on the side where the wire is attached, while the other side encountered an obstacle, the first blade taking an oblique position. The reaction delay of the safety device can thus lead to a dangerous crushing of the obstacle encountered or to deterioration of the roller shutter.

La présente invention a pour but une construction obviant à l'inconvénient susmentionné.The object of the present invention is to provide a construction which overcomes the aforementioned drawback.

Le dispositif de sécurité selon l'invention est caractérisé en ce que l'extrémité de l'élément souple opposée au moyen de traitement de l'information est fixée en un point fixe situé de l'autre côté de la porte ou volet roulant, à proximité de l'axe d'enroulement, et que l'élément souple passe sur deux renvois montés approximativement à chacune des extrémités du bord transversal libre de la porte ou volet roulant.The safety device according to the invention is characterized in that the end of the flexible element opposite the information processing means is fixed at a fixed point located on the other side of the door or roller shutter, near the winding axis, and that the flexible element passes over two references mounted approximately at each end of the free transverse edge of the door or roller shutter.

Grâce à cette disposition, tout obstacle rencontré en un point quelconque du bord inférieur transversal de la porte ou volet roulant se traduit par une franche variation de la vitesse de déplacement, notamment de déroulement, de l'élément souple, variation qui est détectée par le moyen de traitement de l'information.Thanks to this arrangement, any obstacle encountered at any point on the transverse lower edge of the door or roller shutter results in a clear variation in the speed of movement, in particular of unwinding, of the flexible element, a variation which is detected by the information processing means.

Le dispositif de sécurité selon l'invention ne s'applique pas seulement aux portes et volets roulants à lames, mais à toutes portes ou volets roulants présentant une structure souple autorisant une position oblique de son bord inférieur.The safety device according to the invention does not apply only to doors and roller shutters with blades, but to all doors or roller shutters having a flexible structure allowing an oblique position of its lower edge.

L'élément souple n'est pas forcément déroulé d'une poulie, mais il pourrait être attaché à un ressort ou tout autre système de rappel linéaire ou non.The flexible element is not necessarily unwound from a pulley, but it could be attached to a spring or any other linear return system or not.

Le dessin annexé représente, à titre d'exemple, un mode d'exécution de l'invention.The accompanying drawing shows, by way of example, an embodiment of the invention.

L'unique figure du dessin représente schématiquement un volet roulant 1 en cours de déroulement d'un tambour d'enroulement 2 et dont les lames sont guidées par deux glissières verticales 3 et 4. Dans le prolongement de l'axe 5 du tambour d'enroulement, est monté un dispositif de traitement de l'information 6 auquel sont transmises des informations relatives au déplacement de la lame terminale 11 du volet roulant transmises par un fil 7. L'information est transmise, par exemple, au moyen d'un générateur de signaux comprenant une poulie sur laquelle est enroulé le fil 7, comme décrit dans la demande de brevet FR 2 657 646. L'autre extrémité du fil 7 est attachée en un point fixe 8 de l'autre côté du volet roulant, à proximité de l'axe 5 et le fil 7 passe en outre sur deux renvois constitués par des galets 9 et 10 montés à proximité de chacune des extrémités de la lame terminale 11 constituant le bord inférieur du volet roulant.The single figure of the drawing schematically represents a rolling shutter 1 during the unwinding of a winding drum 2 and whose blades are guided by two vertical slides 3 and 4. In the extension of the axis 5 of the drum winding, is mounted an information processing device 6 to which are transmitted information relating to the movement of the terminal blade 11 of the roller shutter transmitted by a wire 7. The information is transmitted, for example, by means of a generator of signals comprising a pulley on which the wire 7 is wound, as described in patent application FR 2 657 646. The other end of the wire 7 is attached at a fixed point 8 on the other side of the roller shutter, near of the axis 5 and the wire 7 also passes over two references constituted by rollers 9 and 10 mounted near each of the ends of the terminal strip 11 constituting the lower edge of the roller shutter.

Tout obstacle rencontré par la lame finale 11 dans sa descente provoque une brusque variation de la vitesse de déroulement du fil 7. Il suffit donc que le moyen de traitement de l'information détecte cette variation pour commander l'arrêt immédiat du moteur entraînant le tambour 2. Il est en effet pratiquement impossible que la brusque décélération de l'un des galets 9 et 10 soit exactement compensée par l'accélération de l'autre galet, ce qui supposerait que la lame 11 rencontre un obstacle en son point milieu et que la lame bascule autour de son point milieu contrairement aux lois de l'équilibre. Le dispositif présente donc une sécurité pratiquement absolue en ce qui concerne la détection instantanée d'un obstacle.Any obstacle encountered by the final blade 11 in its descent causes an abrupt variation in the speed of unwinding of the wire 7. It is therefore sufficient for the information processing means to detect this variation to order the immediate stopping of the motor driving the drum. 2. It is in fact practically impossible for the sudden deceleration of one of the rollers 9 and 10 to be exactly compensated for by the acceleration of the other roller, which would suppose that the blade 11 encounters an obstacle at its midpoint and that the blade swings around its midpoint contrary to the laws of equilibrium. The device therefore has practically absolute security as regards the instantaneous detection of an obstacle.

Au lieu d'un fil 7 ou d'une cordelette, il serait possible d'utiliser un ruban ou tout autre élément souple non élastique.Instead of a wire 7 or a cord, it would be possible to use a ribbon or any other non-elastic flexible element.

Comme déjà souligné plus haut, l'invention est utilisable avec tout moyen de traitement de l'infomation constituée par la brusque variation de la vitesse de déplacement de l'élément souple 7.As already emphasized above, the invention can be used with any means of processing information formed by the sudden variation in the speed of movement of the flexible element 7.

Claims (2)

  1. A safety device for a motorised door or roller blind having a flexible structure such as slats comprising information processing means (6) placed on a side of the door or roller blind (1) close to the winding axis (5) of the door or roller blind (1) and to which information representing the displacement of the door or roller blind (1) is transmitted, said displacement being generated through a flexible non-elastic means (7) which is maintained tense between the free transversal edge (11) of the door or roller blind (1) and the information processing means (6), said information processing means (6) commanding an immediate stop of the motor when the free transversal edge (11) of the door or roller blind (1) runs into an obstacle, characterised in that the end of the flexible non-elastic means (7) opposite to the information processing means (6) is attached to a fixed point (8) situated on the other side of the door or roller blind (1), close to the winding axis (5), and in that the flexible non-elastic means (7) runs on two countershafts (9,10) mounted approximately at each end of the free transversal edge (11) of the door or roller blind (1).
  2. A safety device as claimed in claim 1, characterised in that the information processing means (6) comprises a pulley on which the flexible non-elastic means (7) is wound.
EP92810686A 1991-09-16 1992-09-08 Security device for roller door or shutter Expired - Lifetime EP0533625B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9111390 1991-09-16
FR9111390A FR2681371B1 (en) 1991-09-16 1991-09-16 SECURITY DEVICE FOR ROLLING DOOR OR SHUTTER.

Publications (2)

Publication Number Publication Date
EP0533625A1 EP0533625A1 (en) 1993-03-24
EP0533625B1 true EP0533625B1 (en) 1996-12-11

Family

ID=9416975

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92810686A Expired - Lifetime EP0533625B1 (en) 1991-09-16 1992-09-08 Security device for roller door or shutter

Country Status (6)

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EP (1) EP0533625B1 (en)
JP (1) JPH05195679A (en)
AT (1) ATE146254T1 (en)
DE (1) DE69215810D1 (en)
ES (1) ES2048722T1 (en)
FR (1) FR2681371B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2735812B1 (en) * 1995-06-21 1997-08-22 Somfy MOTORIZED WINDING DEVICE FOR VENETIAN BLINDS
FR2747152B1 (en) * 1996-04-03 1999-11-19 Correard Jean Luc Laurent Aime MONITORING AND ANTI-CRUSHING SYSTEM FOR VERTICALLY MOVED BUILDINGS
FR2900959B1 (en) * 2006-05-11 2008-12-12 Fp2X Groupement D Interet Econ DEVICE AND METHOD FOR CONTROLLING A STORE OR A SHUTTER
DE102015208222B3 (en) * 2015-05-04 2016-09-01 Wafios Aktiengesellschaft Wire processing machine with protection device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU558455B2 (en) * 1981-11-03 1987-01-29 Automatic Roller Doors Australia Pty Ltd Reversing device
DE3843917A1 (en) * 1988-12-24 1990-06-28 Schanz Hans Drive device for a rolling surface
FR2656371B1 (en) * 1989-12-26 1992-03-27 Zurfluh Feller Sa MOTORIZED SHUTTER WITH POSITION AND MOVEMENT CONTROL.
ES2053307T3 (en) * 1990-01-26 1994-07-16 Somfy SAFETY DEVICE FOR MOTORIZED ROLLING SHUTTER.

Also Published As

Publication number Publication date
EP0533625A1 (en) 1993-03-24
DE69215810D1 (en) 1997-01-23
FR2681371A1 (en) 1993-03-19
ES2048722T1 (en) 1994-04-01
JPH05195679A (en) 1993-08-03
FR2681371B1 (en) 1993-11-26
ATE146254T1 (en) 1996-12-15

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