EP0618341B1 - Sicherheitsvorrichtung für eine Öffnung, zum Beispiel Rolladen - Google Patents

Sicherheitsvorrichtung für eine Öffnung, zum Beispiel Rolladen Download PDF

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Publication number
EP0618341B1
EP0618341B1 EP19940490012 EP94490012A EP0618341B1 EP 0618341 B1 EP0618341 B1 EP 0618341B1 EP 19940490012 EP19940490012 EP 19940490012 EP 94490012 A EP94490012 A EP 94490012A EP 0618341 B1 EP0618341 B1 EP 0618341B1
Authority
EP
European Patent Office
Prior art keywords
drum
curtain
potentiometer
opening
rotation
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
EP19940490012
Other languages
English (en)
French (fr)
Other versions
EP0618341A1 (de
Inventor
Vincent Haze
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.)
Deprat Jean SA
Original Assignee
Deprat Jean 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 Deprat Jean SA filed Critical Deprat Jean SA
Publication of EP0618341A1 publication Critical patent/EP0618341A1/de
Application granted granted Critical
Publication of EP0618341B1 publication Critical patent/EP0618341B1/de
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

Definitions

  • the present invention relates to a device for protecting an opening such as for example a rolling shutter intended to equip for example a window, a door or any other. It will find its application in the manufacturers of roller shutters and in all sectors of economic activity in which it is necessary to use such devices.
  • a device implementing an electronic position detection system having the characteristics of the preamble of claim 1 is described in particular in EP-A-485,747.
  • It may for example be a device comprising an electric motor ensuring the winding and unwinding of the curtain as well as two switches respectively corresponding to the rolled up and unwound position of the curtain, and which each cooperate with a stop to cut the motor supply when the curtain arrives either in the rolled up position or in the desired unwound position.
  • Linear drive means of the switches or stops, kinematically linked to the curtain as well as adjustment means, making it possible to modify the relative position between each switch and its stop, are also provided in order to obtain an adjustment of the position of the curtain as needed.
  • a device for moving a concealing element such as an apron or a canvas to adjustable stable positions which include a sensor of the incremental type constituted by an optical disc intended to detect the rotation of the tube on which the apron is wound, driven by a motor member, in order to determine its position.
  • This disk is connected with two optical detectors so as to make it possible to detect each of its elementary displacements and in particular the pulse which is emitted in order to be counted or counted according to the direction of rotation.
  • These optical detectors are connected to information processing means which also make it possible to control the position of the fabric or apron as required.
  • the object of the present invention is to remedy the drawbacks of the devices currently known by proposing a device for protecting an opening which makes it possible to control the position of a concealing element such as a curtain or an apron in a simple, rapid manner. and reliable.
  • Another advantage of the device for protecting an opening in accordance with the invention lies in the fact that it can be implemented whatever the nature of the opening that it is desired to protect, which increases the capacities thereof. 'use.
  • Another advantage of the protection device according to the invention lies in the fact that it can be manufactured in series from standard elements which reduces the cost thereof.
  • the device for protecting a opening such as a rolling shutter comprising a drum, driven in rotation by a motor member around which a curtain or an apron is wound between at least two positions, and means for controlling the position of said curtain subject to the position of the drum, is characterized by the fact that it comprises, mechanically associated with the drum, at least one element making it possible to vary, at its terminals, the value of the voltage and / or the intensity as a function of the position of the curtain, and means for comparing the signal delivered with at least two predetermined thresholds.
  • the subject of the invention is a device for protecting an opening such as for example a rolling shutter and it will find its application mainly in the manufacturers of protection devices for opening as well as in all sectors of economic activity in which it is necessary to use such devices.
  • a device for protecting an opening according to the invention such as a roller shutter 1 fitted here with a window 2.
  • This roller shutter 1 comprises a box 3 containing a driven drum 4 in rotation by an organ motor 5, around which is wound, between at least two positions a curtain 6 or an apron constituted here by a set of hinged slats 7.
  • this curtain 6 is intended to be wound around the drum 4 by means of motor means 5 whose rotation is controlled by means of switching means 8 such as switches.
  • this curtain 6 is mounted movable in vertical translation between two stable extreme positions, namely one in which it is completely wound around the drum 4 and which constitutes a position called “opening” and the other in which it is completely unwound from the drum 4 and which constitutes a so-called “closing” position in which it completely obscures the window 2.
  • this curtain 6 is able to occupy a stable intermediate position between these two extreme positions as is illustrated in particular in FIG. 1.
  • the drum 4 is associated by an annular ring 8 spacer with a fixed tube 9 inside which is disposed a first tubular sheath 10 fixed supporting the motor members 5 constituted here by a motor 11 associated with a reduction gear 12, which are supplied with energy by conventional and known means and the operation of which is controlled by means of switching means such as for example by at least one switch 13a for placing the curtain 6 in the high position and at least one switch 13b for installation of the curtain 6 in the low position.
  • switching means such as for example by at least one switch 13a for placing the curtain 6 in the high position and at least one switch 13b for installation of the curtain 6 in the low position.
  • a second fixed tubular sheath 14 is also provided inside the tube 9 to support means 15 for controlling the position of the curtain 6.
  • these means 15 consist of at least one element 16 making it possible to vary the value of the voltage and / or the current at these terminals as a function of the position of the curtain 6 and it is also associated with means 17 for comparing the signal delivered with at least two predetermined thresholds.
  • a limit switch housing 18 disposed at one end of the tube 9 is provided to receive a set of gears 19, such as that which is more particularly illustrated in FIG. 3, and in particular a gear 20 intended for s '' mesh with a ring with internal toothing 21 externally at least partially surrounding the casing 18 and locked in rotation with the drum 4.
  • control element 16 is constituted here by a potentiometer 22 whose characteristics are adapted to such applications.
  • a potentiometer will be used which has good reproducibility characteristics and a small variation in these resistive properties as a function of the temperature.
  • This potentiometer 22 has an axis 23 locked in rotation with a set of gears and in particular with a toothed wheel 24 which also meshes on a toothed wheel 25 wedged in rotation on a toothed pinion 26 which meshes on a toothed pinion 27 wedged in rotation on a toothed wheel 28 which meshes with the gear 20 of the inner toothed ring 21.
  • the electronic means for controlling the position of the curtain connected to the potentiometer 22, are arranged on a support placed inside the annular sheath 9.
  • the potentiometer 22 is connected to means for comparing a signal delivered with at least two thresholds constituted by two comparators 30 and 31 corresponding respectively to a high value and to a low value of a predetermined voltage threshold.
  • These comparators 30 and 31 are here constituted by operational amplifiers.
  • Each controller 30, 31 is connected via a transistor 32, 33 to a relay 34, 35 of a conventional and known type which are each associated with the switching means 13a-13b and at the terminals of an electric motor 10, the direction of which rotation can be reversed, and itself connected to supply means here from an electrical network.
  • the variations in the voltage threshold are regulated as a function for example of the number of turns that it is desired to obtain from the drum 4 as a function in particular of the position curtain 6 desired.
  • means are provided for disengaging from a certain number of turns of the drum 4 of the mechanical line connecting the axis 23 of the potentiometer 22 to the gear. 20 of the inner toothed ring 21.
  • the invention is not limited to the only embodiment which has been described above and one could envisage other alternative embodiments using other elements mechanically linked to the drum such as for example resistance or other bridges, the value of the intensity and / or of the voltage of which varies as a function of the position of the drum and the value of the signal emitted compared with at least two reference thresholds.

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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)

Claims (9)

  1. Schutzvorrichtung für eine Öffnung, wie ein Rolladen (1), umfassende eine von einem Antriebsorgan (5) in Drehung angetriebene Trommel (4), um die sich ein Vorhang (6) oder eine Decke zwischen wenigstens zwei Positionen aufrollt, und Mittel (15) zur Steuerung der Position des genannten Vorhangs (6) in Abhängigkeit von der Position der Trommel (4), dadurch gekennzeichnet, daß sie mechanisch mit der Trommel (4) verbunden wenigstens ein Element (16), das es erlaubt, den Wert der Spannung und/oder der Intensität an seinen Anschlußklemmen in Abhängigkeit von der Position des Vorhangs zu ändern, und Mittel (17), um das gelieferte Signal mit wenigstens zwei vorbestimmten Schwellwerten zu vergleichen, umfaßt.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Element (16) aus einem Potentiometer (22) besteht.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß das Potentiometer (22) ein Mehrwindungspotentiometer ist.
  4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß sie einen Satz von an der Achse (23) des Potentiometers (22) gekoppelten Getrieben umfaßt.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß sie Mittel zur Entkopplung der mechanischen Kopplungslinie zwischen dem Getriebensatz und der Achse (23) des Potentiometers (22) umfaßt.
  6. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß sie wenigstens zwei Komparatoren (30 und 31) umfaßt, die respektive mit einem Steuer- und Versorgungsmitteln zugeordneten Relais verbunden sind.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, daß die Komparatoren (30 und 31) aus Operatorverstärkern bestehen.
  8. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Mittel (15) zur Steuerung der Position des Vorhangs in Abhängigkeit von der Position der Trommel (4) innerhalb der genannten Trommel (4) angebracht sind.
  9. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Steuermittel (29) in einem unabhängigen Gehäuse untergebracht sind.
EP19940490012 1993-04-02 1994-04-01 Sicherheitsvorrichtung für eine Öffnung, zum Beispiel Rolladen Expired - Lifetime EP0618341B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9304101 1993-04-02
FR9304101A FR2703397B1 (fr) 1993-04-02 1993-04-02 Dispositif de protection d'une ouverture telle que par exemple un volet roulant.

Publications (2)

Publication Number Publication Date
EP0618341A1 EP0618341A1 (de) 1994-10-05
EP0618341B1 true EP0618341B1 (de) 1997-12-29

Family

ID=9445830

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19940490012 Expired - Lifetime EP0618341B1 (de) 1993-04-02 1994-04-01 Sicherheitsvorrichtung für eine Öffnung, zum Beispiel Rolladen

Country Status (3)

Country Link
EP (1) EP0618341B1 (de)
DE (1) DE69407465T2 (de)
FR (1) FR2703397B1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2740824B1 (fr) * 1995-11-07 1998-01-23 Somfy Installation de fermeture ou de protection solaire motorisee
CN107664007B (zh) * 2016-07-06 2019-03-26 德侑股份有限公司 窗帘
TWI651462B (zh) * 2017-04-13 2019-02-21 德侑股份有限公司 窗簾

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3122550A1 (de) * 1981-06-06 1982-12-23 Gebr. Bode & Co, 3500 Kassel Signalgeber zur erfassung der schliess- und oeffnungsbewegungen automatisch betaetigter tueren.
DE3346242A1 (de) * 1983-12-21 1985-07-04 Kurt Schlattingen Kunz Verfahren zum ansteuern eines rollo-antriebsmotors sowie steuerung zur ausfuehrung des verfahrens
EP0468361B1 (de) * 1990-07-26 1995-07-05 DORMA GmbH + Co. KG Begrenzung der Schliesskraft an der Schliesskante eines beweglichen Elementes
ATE125329T1 (de) * 1990-10-17 1995-08-15 Baumann Rolladen Antriebseinheit für storen sowie store mit einer solchen antriebseinheit.

Also Published As

Publication number Publication date
EP0618341A1 (de) 1994-10-05
FR2703397B1 (fr) 1995-05-24
DE69407465D1 (de) 1998-02-05
DE69407465T2 (de) 1998-06-18
FR2703397A1 (fr) 1994-10-07

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