EP3755864B1 - System zur ansteuerung eines wicklungselements in drehung - Google Patents

System zur ansteuerung eines wicklungselements in drehung Download PDF

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Publication number
EP3755864B1
EP3755864B1 EP19706981.8A EP19706981A EP3755864B1 EP 3755864 B1 EP3755864 B1 EP 3755864B1 EP 19706981 A EP19706981 A EP 19706981A EP 3755864 B1 EP3755864 B1 EP 3755864B1
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EP
European Patent Office
Prior art keywords
main shaft
drive system
rotation
rotating element
apron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP19706981.8A
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English (en)
French (fr)
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EP3755864A1 (de
Inventor
Arnaud Marcassoli
Sébastien Brogly
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Zurfluh Feller SAS
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Zurfluh Feller SAS
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Publication of EP3755864A1 publication Critical patent/EP3755864A1/de
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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
    • E06B9/68—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
    • E06B9/62—Counterweighting arrangements
    • 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
    • E06B9/74—Operating devices or mechanisms, e.g. with electric drive adapted for selective electrical or manual operation

Definitions

  • the present invention relates to a drive system in rotation of a winding member of a closing screen apron that can be rolled up around a central axis.
  • a rolling shutter or door comprises a rolling member, such as a rolling tube, on which is fixed a flexible apron, such as an apron formed by slats hinged together.
  • An electric motor drives the drum in rotation to open or close the shutter or door.
  • the standards in force require the possibility of maneuvering the apron in the event of a power failure.
  • JPH 11 101077 also describes a drive system consisting of a torsion spring mounted in parallel with a motor, the spring and the motor acting at the same time directly on the winding tube.
  • CSI motors for Integrated Emergency Control that is to say integrating a manual winch which makes it possible to set the motor rotor in motion.
  • the invention intends to remedy by proposing a new drive system in which the winding of the apron is obtained more quickly and efficiently compared to known systems.
  • This system is characterized in that the second elastic means drive the rotating element in rotation around the central axis in such a way that the apron is driven towards a rolled-up configuration only in the disengaged configuration, and are interposed in series between the shaft main and rotating element.
  • the ascent of the apron is permitted by the simple translation of a cable.
  • the energy of the prestressed spring is released directly after disengaging the coupling means, which causes automatic rewinding of the roller shutter.
  • the system is fast: the apron raising time is very short compared to other systems, in particular the CSI.
  • the system is also autonomous: no additional instrument (TO, handwheel, etc.) is necessary.
  • the figures 1 to 3 represent a drive system 1 comprising an actuator 3 having an output shaft 5.
  • the output shaft 5 defines a central axis X of the drive system 1.
  • the actuator 3 can be an electric motor, a winch, etc.
  • the output shaft 5 is connected to a main shaft 7 of the drive system 1, in such a way that the main shaft 7 is integral in rotation with the output shaft 5.
  • an intermediate part 6 can ensure the connection between the output shaft 5 and the main shaft 7 so as to facilitate the adaptation of the main shaft 7 on all types of actuators 3.
  • the drive system 1 comprises a rotary element 9 in pivot connection with the main shaft 7.
  • the rotary element 9 is fixed axially on the main shaft 7. This fixing in translation is ensured by a part 10 fixed on the main shaft 7 and which prevents the axial translation of the rotary element 9 in the direction of the actuator 3.
  • the main shaft 7 has a circular section
  • the rotary element 9 has a central orifice 90 for receiving the main shaft 7, this orifice 90 having a circular section corresponding to that of the main shaft 7 .
  • main shaft 7 has a profile that does not allow a direct pivot connection (that is to say mounting of the rotary element 9 directly on the main shaft 7) then a intermediate piece may be provided between the main shaft 7 and the rotating element 9. This may be the case if the main shaft 7 has a non-circular section, with sharp edges or irregularities.
  • the main shaft 7 can in particular be of square, hexagonal, etc. profile.
  • the rotary element 9 is integral in rotation with a winding member of a roll-up closing screen apron.
  • the rotating element 9 is connected to a winding tube 11 forming the winding member, around which the slats of the apron are wound.
  • the winding tube 11 is formed by a hollow cylinder centered on the central axis X is in which are mounted the actuator 3, the output shaft 5, the connecting piece 6, the main shaft 7 and the rotating element 9.
  • the winding tube 11 is mounted free in rotation on two side cheeks 12a and 12b, mounted in a support such as a wall, and which also provide support for the drive system 1.
  • the rotary element 9 can be connected to a cord which generates the stacking of the slats, or else to an axis which winds this cord.
  • the drive system 1 comprises a member 13 movable in translation on the main shaft 7 and relative to the rotating element 9.
  • the member 13 is integral in rotation with the main shaft 7.
  • the main shaft 7 having a circular profile making rotational attachment by direct mounting impossible, the drive system 1 comprises an intermediate part 15 provided between the main shaft 7 and the member 13.
  • the intermediate part 15 transmits the rotational movements of the actuator 3 to the member 13 leaving it the possibility of translation along the X axis.
  • the intermediate piece 15 has a circular internal section in which the main shaft 7 is received.
  • the intermediate piece 15 is secured in rotation to the main shaft 7 by a bolt 17 (this function can also be performed by a pin, or any other known means).
  • the intermediate part 15 has a non-circular outer profile 150, hexagonal in this example, complementary to a hexagonal profile 130 provided on the inside of the member 13.
  • the drive system may not include an intermediate piece 15 and the member 13 may adopt the same profile as that of the main shaft 7.
  • the rotary element 9 and the member 13 have disengageable connecting means which allow them to engage or disengage depending on the axial position of the member 13.
  • the rotary element 9 is equipped with first coupling means in rotation 92, and the member 13 comprises second means of coupling in rotation 132.
  • the means of coupling in rotation 92 and 132 are formed by complementary shapes, such as teeth or splines. In this example, the shapes are circumferentially alternating projecting and recessed reliefs forming, in the coupled configuration, stops in rotation. Any other shape can be considered.
  • the first and second rotational coupling means can be formed by a friction clutch system.
  • the coupling means 92 are in engagement with the coupling means 132, causing a connection in rotation of the member 13 with the rotary element 9.
  • the coupling means 92 are in a second remote position and are no longer in engagement with the coupling means 132, causing a separation in rotation of the member 13 with the rotary element 9.
  • the member 13 has undergone a translation along the axis X opposite the rotary element 9 between a first close position and a second remote position.
  • the drive system 1 comprises elastic means which by default push the member 13 into the engaged configuration. These elastic means are formed by a compression spring 19, interposed between the member 13 and a flange 152 of the intermediate piece 15.
  • the drive system 1 also comprises a control connected to the member 13, and adapted to move the member 13 towards its disengaged configuration, against the force of the spring 19.
  • this control can be provided in the form of a cable 21 operable by a user, and connected to the member 13 by a connecting piece 23. When the cable 21 is pulled, the member 13 is moved away from the rotary element 9, which leads to its disengaged configuration.
  • the drive system 1 also comprises second elastic means which drive the rotary element 9 in rotation around the central axis X in such a way that the apron is driven towards a rolled-up configuration.
  • These second elastic means are intended to provide a return torque on the apron towards its rolled-up position in the event of an emergency if the actuator 3 is inoperative.
  • the second elastic means are interposed between the main shaft 7 and the rotary element 9. In other words, these elastic means are arranged in series between the actuator 3 and the winding tube 11.
  • the actuator 3 drives the main shaft 7, which drives the elastic means, which drives the rotary element 9, which drives the winding tube 11.
  • the second elastic means are able to be prestressed by a relative rotation between the main shaft 7 and the rotary element 9.
  • the second elastic means in an unstressed state, cannot generate a relative rotation of the main shaft 7 and the rotary element 9, but when a rotation between the main shaft 7 and the element rotary 9 is applied, the second elastic means are in a stressed state. In this state, they undergo an internal stress which tends to exert a relative rotation between the main shaft 7 and the rotary element 9 with respect to each other, in such a way that the apron is raised.
  • the second elastic means are formed by a torsion spring 25 comprising a first end 250 fixed to the main shaft 7, and a second other end 252 fixed to the rotary element 9.
  • the first end 250 is fixed to the main shaft 7 by a bolt 27.
  • the second end 252 is fixed to the rotary element 9 by a screw 29.
  • the operation of the drive system 1 is as follows. In the normal operating configuration, the rotary element 9 and the member 13 are in the engaged configuration. The torque generated by the actuator 3 is transmitted to the main shaft 7 which transmits it to the member 13 then finally it passes from the member 13 to the rotary element 9 thanks to the disengageable connecting means 92 and 132. The torque of the actuator 3 is found at the level of the rotary element 9.
  • the torsion spring 25 pre-tensioned keeps the rotary element 9 under tension which, once released, will be driven in rotation, then will drive the winding tube 11 But as long as the member 13 and the rotating element 9 are engaged, the torsion spring 25 cannot release its energy.
  • the spring 19 pushes the member 13 against the rotary element 9 so that the disengageable connecting means are coupled again.
  • the two ends 250 and 252 of the torsion spring 25 are fixed with respect to the main shaft 7, the rotary element 9 can only be set in motion by the actuator 3. The engaged configuration is found again.
  • the drive system 1 has the advantage of being resettable and therefore reusable. In fact, when the disengagement control is triggered, the drive system 1 is in the disengaged configuration and the torsion spring 25 releases its energy. before releasing the cable 21 and switch back to the engaged configuration to return to normal operation, it is always possible to manually put the rotary element 9 in rotation, for example by manipulating the winding tube 11 or any other axis connected to the rotary element 9, or even by actuating the main shaft 7 (by the actuator 3, by a winch, among others) given that the apron is then blocked in the high position following its emergency winding.
  • the actuator 3 in the case of a large rolling shutter, can be a motor of considerable length, and is likely not to remain in the central axis X of the winding tube 11 under the effect of its own weight. Fixed only at cheek 12a and at rotary element 9, actuator 3 will flex in winding tube 11 at the risk of touching it.
  • the drive system 1 can therefore comprise a support part 31 mounted in the winding tube 11 and mounted on the main shaft 7 or on the connecting part 6 closest to the output shaft 5 of the actuator 3. The position of the main shaft 7 relative to the winding tube 11 is therefore maintained. In this way, the actuator 3 is supported by two supports to be kept aligned with the central axis X.
  • the second elastic means can be formed not by a single spring 25 but by several elastic elements, in particular springs.
  • several coaxial springs arranged in series or in parallel can be used.
  • the springs will be arranged coaxially, each spring exerting a torque on the next, the last being connected to the rotary element 9 to transmit the overall torque of the series of springs.
  • the springs will be arranged coaxially, each spring exerting its torque on the rotating element.

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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)
  • Overhead Projectors And Projection Screens (AREA)

Claims (11)

  1. Antriebssystem (1) zum Drehen eines Aufwickelorgans (11) einer um eine Mittelachse (X) aufwickelbaren Verschlussschirmschürze, das Antriebssystem umfassend:
    - einen Aktuator (3), der eine Abtriebswelle (5) antreibt,
    - eine Hauptwelle (7), die von der Abtriebswelle (5) angetrieben wird,
    - ein Drehelement (9), das drehbeweglich und translationsfest in Bezug auf die Hauptwelle (7) ist und geeignet ist, um drehfest mit dem Aufwickelorgan (11) verbunden zu sein, wobei dieses Element mit ersten Drehkopplungseinrichtungen (92) ausgestattet ist,
    - ein Organ (13), das entlang der Mittelachse (X) in Bezug auf das Drehelement (9) translatorisch beweglich ist, drehfest mit der Hauptwelle (7) verbunden ist und zweite Drehkopplungseinrichtungen (132) umfasst,
    - erste elastische Mittel (19), die das bewegliche Element (13) standardmäßig in eine eingekuppelte Konfiguration drücken, in der die Drehkopplungseinrichtungen (92, 132) zusammenwirken, sodass die Hauptwelle (7) und das Drehelement (9) drehfest miteinander verbunden sind,
    - eine Steuerung (21), die mit dem translatorisch beweglichen Element (13) verbunden ist und angepasst ist, um das translatorisch bewegliche Element (13) in eine ausgekuppelte Konfiguration zu bewegen, in der die Drehkopplungseinrichtungen (92, 132) voneinander entfernt sind, um die Hauptwelle (7) und das Drehelement (9) drehbar zu entkoppeln,
    - zweite elastische Einrichtungen (25), die angepasst sind, um das Drehelement (9) um die Mittelachse (X) zu drehen, sodass die Schürze in eine aufgerollte Konfiguration angetrieben wird,
    dadurch gekennzeichnet, dass die zweiten elastischen Einrichtungen (25) das Drehelement (9) um die Mittelachse (X) in Drehung versetzen, sodass die Schürze nur in der ausgekuppelten Konfiguration zu einer aufgerollten Konfiguration angetrieben wird, und in Reihe zwischen der Hauptwelle (7) und dem Drehelement (9) angeordnet sind.
  2. Antriebssystem nach Anspruch 1, dadurch gekennzeichnet, dass in der ausgekuppelten Konfiguration des translatorisch beweglichen Organs (13) die zweiten elastischen Einrichtungen (25) geeignet sind, um durch eine relative Drehung zwischen der Hauptwelle (7) und dem Drehelement (9) vorgespannt zu sein.
  3. Antriebssystem nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die zweiten elastischen Einrichtungen durch mindestens eine Torsionsfeder (25) gebildet sind, die mit ihrem einen Ende (250) an der Hauptwelle (7) und mit ihrem anderen Ende (252) an dem Drehelement (9) befestigt ist.
  4. Antriebssystem nach Anspruch 3, dadurch gekennzeichnet, dass die zweiten elastischen Einrichtungen durch mehrere Torsionsfedern gebildet sind, die in Reihe oder parallel angeordnet sind.
  5. Antriebssystem nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Hauptwelle (7) einen kreisförmigen Querschnitt aufweist und dass das Drehelement (9) eine mittlere Öffnung (90) zum Aufnehmen der Hauptwelle (7) aufweist, wobei diese Öffnung (90) einen kreisförmigen Querschnitt aufweist.
  6. Antriebssystem nach Anspruch 5, dadurch gekennzeichnet, dass es ein Zwischenstück (15) umfasst, das translatorisch und rotatorisch fest mit der Hauptwelle (7) verbunden und translatorisch frei in Bezug auf das translatorisch bewegliche Organ (13) montiert ist.
  7. Antriebssystem nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Hauptwelle (7) einen nicht kreisförmigen Querschnitt aufweist, dass das translatorisch bewegliche Organ (13) das gleiche Profil wie die Hauptwelle (7) aufweist, und dass das Antriebssystem (1) kein Zwischenstück zwischen der Hauptwelle (7) und dem translatorisch beweglichen Organ (13) aufweist.
  8. Antriebssystem nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die ersten und zweiten Drehkopplungseinrichtungen (92, 132) durch komplementäre Formen, wie z. B. Verzahnungen oder Rillen, gebildet sind, die an dem translatorisch beweglichen Organ (13) und an dem Drehelement (9) bereitgestellt sind.
  9. Antriebssystem nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die ersten und zweiten Drehkopplungseinrichtungen durch ein Reibungskupplungssystem gebildet sind.
  10. Antriebssystem nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass das Drehelement (9) geeignet ist, um mit einem Wickelrohr (11) der Schürze verbunden zu sein, das das Wickelorgan bildet.
  11. Antriebssystem nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass das Drehelement (9) geeignet ist, um mit einer Schnur verbunden zu sein, die Lamellen trägt, die die Schürze bilden, wobei diese Schnur das Aufwickelorgan bildet.
EP19706981.8A 2018-02-22 2019-02-21 System zur ansteuerung eines wicklungselements in drehung Active EP3755864B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1851527A FR3078095B1 (fr) 2018-02-22 2018-02-22 Systeme d'entrainement en rotation d'un organe d'enroulement
PCT/EP2019/054319 WO2019162380A1 (fr) 2018-02-22 2019-02-21 Système d'entrainement en rotation d'un organe d'enroulement

Publications (2)

Publication Number Publication Date
EP3755864A1 EP3755864A1 (de) 2020-12-30
EP3755864B1 true EP3755864B1 (de) 2022-08-10

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EP19706981.8A Active EP3755864B1 (de) 2018-02-22 2019-02-21 System zur ansteuerung eines wicklungselements in drehung

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EP (1) EP3755864B1 (de)
ES (1) ES2926823T3 (de)
FR (1) FR3078095B1 (de)
WO (1) WO2019162380A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT201900017567A1 (it) * 2019-09-30 2021-03-30 Moveup S R L Gruppo integrato per l’azionamento motorizzato di una serranda avvolgibile.
CN115989356A (zh) * 2020-03-06 2023-04-18 李曼德 紧急情况下自动打开卷帘门的机构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1391576A (fr) * 1964-04-30 1965-03-05 Nihon Bunka Roller Shutter Co Dispositif de fermeture à nappe enroulable
FR2736087B1 (fr) 1995-06-28 1998-01-09 Bubendorff Sa Volet roulant motorise
JPH11101077A (ja) * 1997-09-29 1999-04-13 Tostem Corp シャッター
FR2837865B1 (fr) * 2002-03-28 2005-07-29 Simu Mecanisme de manoeuvre et installation de fermeture ou de protection solaire incorporant un tel dispositif
FR3004745B3 (fr) 2013-04-17 2017-01-27 Somfy Sas Systeme d'entrainement en rotation d'un tambour d'enroulement, ecran de fermeture enroulable et methode de pilotage

Also Published As

Publication number Publication date
EP3755864A1 (de) 2020-12-30
FR3078095B1 (fr) 2020-10-23
FR3078095A1 (fr) 2019-08-23
ES2926823T3 (es) 2022-10-28
WO2019162380A1 (fr) 2019-08-29

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