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EP2138673B1 - Sun protection facility with emergency folding facility - Google Patents

Sun protection facility with emergency folding facility Download PDF

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Publication number
EP2138673B1
EP2138673B1 EP09007981.5A EP09007981A EP2138673B1 EP 2138673 B1 EP2138673 B1 EP 2138673B1 EP 09007981 A EP09007981 A EP 09007981A EP 2138673 B1 EP2138673 B1 EP 2138673B1
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EP
European Patent Office
Prior art keywords
drive
emergency
sun protection
protection system
gathering device
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EP09007981.5A
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German (de)
French (fr)
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EP2138673B2 (en
EP2138673A1 (en
Inventor
Simone Zobel
Karlheinz Kraft
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Warema Renkhoff SE
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Warema Renkhoff SE
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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
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • 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
    • E06B2009/6863—Control using sensors sensing wind speed

Definitions

  • the present invention is concerned with a sunshade system with a wound with the help of a prime mover drapery and a Notraffvorraum that allows a particularly rapid catching up the curtain in a dangerous situation.
  • Sun protection systems are provided with emergency devices in order to be able to catch up on the curtain more quickly than in normal operation in order to be able to quickly release an escape route.
  • An example of a sunshade system of the type mentioned is, for example, in the DE 202 19 778 U1 shown.
  • There is a biased spring assembly is provided which is unlocked by operating a Bowden cable, the energy stored in the springs is then used to catch up the curtain quickly.
  • This solution is widely used but has a number of disadvantages. Firstly, it is necessary after triggering to manually re-tension the spring element.
  • Sun protection systems with secondary drives, but which are not suitable for a Notraffung are from the DE 200 05 567 U1 , of the DE 200 12 242 U1 and the JP 05231081 A known.
  • the object of the invention is to improve a sun shading system with a Notraffvorraum in view of the above disadvantages of existing embodiments.
  • the object is achieved in that the Notraffvorges via an electric secondary drive has, which causes an accelerated ramping up the curtain by providing an increased drive power instead of or in addition to the drive power of the prime mover when it is replaced by the regular primary drive in case of emergency to quickly catch up the curtain or this is switchable, so that the curtain in a substantial shorter time is obtainable.
  • the realization of the Notraffvorides based on electrical equipment avoids the manual tensioning of a spring energy storage, so that even after a triggering, for example in the case of an exercise, the plant after the extension of the curtain on the primary drive immediately available for normal operation including emergency recovery available , without requiring higher drive power in normal operation.
  • the emergency lifting device also acts via the normal lift / turn bearings on the regular elevator belts of the system. Additional elevator elements can be omitted. Due to the fact that the regular drive is replaced or merely supported and the lamellae are initially brought into the appropriate angular position for a first aid, there is no risk of damage to the lamellae more, especially as the catching motion is very rapid due to the control of the drive power but can be controlled.
  • the secondary drive has the advantage that it can still catch the curtain even in case of failure of the prime mover in an emergency, with the arrangement of the secondary drive various options are available that allow a better adaptation to spatial conditions, eg. B. help avoid a second upper rail.
  • the secondary drive for example via a differential gear or alternatively via an electrically switchable Coupling be coupled to the drive shaft of the prime mover.
  • the differential gear or the clutch ensure that in normal operation, the additional drive is decoupled from the drive shaft and does not rotate with the drive shaft in normal operation. Accordingly, the secondary drive is supplied with power only in an emergency.
  • the secondary drive there is the option to arrange it with its drive shaft coaxial with the primary drive, for example, on a single, continuous drive shaft.
  • the secondary drive of Notraffvor substances can also be arranged outside the upper rail for receiving the primary drive and coupled via suitable drive torque to the drive shaft of the prime mover.
  • the secondary drive can also be arranged with a vertical drive shaft laterally next to or above the area to be shaded by the curtain of the sunshade system, wherein the coupling then takes place via an angle gear.
  • the electrical equipment of the emergency lifting device also allows easy control by means of an external signal, which actuates a control device which triggers the emergency lifting device.
  • This external signal for example, by actuation switch or push-button different types of sensors, such. As fire and smoke detectors or temperature sensors, but also by motion detectors, triggered smoke and heat exhaust systems or a triggered fire alarm are generated. Without further ado, it is also possible to give the external triggering signal for all emergency building devices installed in a building from a control center in which the building technology is centrally monitored then simultaneously release the escape routes, without each system would have to manually triggered individually.
  • the Notraffvoroplasty has an emergency power supply, which generates the signal to trigger the Notraffvorraum in the event of a power failure and provides the necessary electrical drive power available.
  • a further expedient embodiment of the invention provides that, in the case of a specific wind load, a wind sensor generates the external signal for triggering the emergency raid device. It can also be distinguished by a control logic, if at a relatively small wind load, a relatively slow rolling up of the curtain using the primary drive or, z. B. in an emerging thunderstorm with strong gusts, a quick catch up with the help of the secondary drive should be.
  • Fig. 1 shows an upper rail 12 of a sunshade system 10 with a gatherable Lamellenbehang (not shown), as used for example for shading in the field of doors or windows, which also serve as an escape route.
  • an electric primary drive 14 is provided, which acts via a drive shaft 16 on combined reversible / elevator bearings.
  • the elevator bearings each have a reel on which an elevator belt can be wound up and down, which is attached to the end rail of the curtain (not shown).
  • the individual slats (also not shown) of the curtain are suspended on a ladder cord or the like, which wraps around the coil bearing 18.
  • the spiral bearing can be pivoted within a defined angular range by adjusting the primary drive, so that the inclination of the slats is adjustable. This also means that when catching up the curtain with the direction of rotation predetermined thereby, the slats are always brought into a defined angular position before catching up by pivoting the coil bearings up to the end stop.
  • the emergency raking device 20 has a secondary drive 22, which acts via a drive shaft 24 and an angle gear 26 on an intermediate shaft 28 which is coupled via a differential gear 30 to the drive shaft 16 of the prime mover 14.
  • the differential gear 30 separates the secondary drive 22 from the primary drive 14, ie with a normal adjustment of the blind rests the secondary drive 22 and its associated drive elements 24, 26, 28th
  • the secondary drive 22 is designed so that it drives the turning / elevator bearings with respect to the primary drive 14 significantly higher speed after its activation, so that catching up can possibly go much faster with further support by the primary drive 14.
  • a typical value is a speed increased by a factor of 10 or more. Since the drive via the reversible / elevator bearings 18 and the drive shaft 16 of the prime mover 14, the lamellae are previously brought into an optimum for shirring position, so that damage can be excluded even with failed lamellar profiles. In addition, no additional Aufholbs are required for the Notraffvoroplasty, which would be in the visible range and interfere with known systems with extended blind the visual appearance.
  • the control of the secondary drive 22 by means of a control device which can be triggered by an external signal.
  • an external signal may, for example, be an actuating button or switch (not shown) arranged in the immediate vicinity of the system and marked as an emergency switch. It is particularly advantageous, however, that the external signal can also be triggered by other sensors, such as fire or smoke detectors, temperature sensors, motion detectors or trigger signals of smoke and heat exhaust systems. The triggering can also be done via a central control unit, for example, when a fire alarm is triggered in a house.
  • the secondary drive 22 and the control device assigned to it can be coupled to an emergency power supply which, for example, generates the external signal in the event of a power failure and also provides the electrical energy for actuating the secondary drive 22.
  • Conceivable is also the control of the emergency device 20 in a wind alarm, for example, if sudden gusts of wind threaten to considerable extent to damage the sunshade system 10.
  • Fig. 1 Since the in Fig. 1 shown embodiment because of the short length of the upper rail does not provide enough space to integrate the secondary drive in the upper rail, there are the secondary drive 22 and its associated drive elements laterally and rotated by 90 ° below the upper rail. With a sufficiently long top rail, it is easily possible to integrate the secondary drive into the top rail.
  • Fig. 2 provided in an upper rail 112 not only a prime mover 114 with the already discussed reversing / elevator bearings 118, but also a secondary drive 122, which can act in this coaxial arrangement to the primary drive 114 via a simple intermediate shaft 128 to the differential gear 130.
  • FIG. 3 Yet another embodiment of a sunshade system 210 is shown in which a single drive 214 represents both the prime mover and the secondary drive.
  • the peculiarity of this embodiment lies in the fact that the drive 214 can be operated at different rotational speeds in a plurality of operating regions, with a control device generally ensuring a comparatively slow retraction and extension of the curtain.
  • the control device either an increased supply voltage for the drive 214 or it will be energized additional windings in the drive motor 214, to cause by the then higher drive power, the rapid recovery of the blind.
  • the advantage of this embodiment is the elimination of all gear parts for coupling the secondary drive to the primary drive, ie the only provided drive 214 is simply coupled via drive shafts 216 with the example in the case of 2 elevator / reversible bearings 218.
  • the Notraffvorraum described is not only used in the aforementioned external venetian blinds, but can also be used for particularly fast recovery of windable hangings, z. As for blinds, awnings or blackout systems.
  • the Notraffvorraum then acts instead of or in addition to the primary drive on the winding shaft of the curtain.

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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)
  • Curtains And Furnishings For Windows Or Doors (AREA)

Abstract

The system has a hanging angled or gathered by a primary drive (14). An emergency gathering device (20) is regulated by an electrical secondary drive (22) e.g. electrical gear. The emergency gathering device enables catch up of the hanging in an emergency situation. The secondary drive is operated during releasing an accelerated catch up of the hanging by providing increased drive power or providing power additional to regulation drive power of the primary drive. The secondary drive is replaced to the primary drive during emergency catch up of the hanging.

Description

Die vorliegende Erfindung befasst sich mit einer Sonnenschutzanlage mit einem mit Hilfe eines Primärantriebes wickel- oder raffbaren Behang und einer Notraffvorrichtung, die in einer Gefahrensituation ein besonders rasches Aufholen des Behangs ermöglicht.The present invention is concerned with a sunshade system with a wound with the help of a prime mover drapery and a Notraffvorrichtung that allows a particularly rapid catching up the curtain in a dangerous situation.

Sonnenschutzanlagen werden mit Notraffvorrichtungen versehen, um in einem Gefahrenfall den Behang schneller als im normalen Betrieb aufholen zu können, um einen Fluchtweg rasch freigeben zu können. Ein Beispiel für eine Sonnenschutzanlage der eingangs genannten Art ist beispielsweise in der DE 202 19 778 U1 gezeigt. Dort ist ein vorgespanntes Federpaket vorgesehen, das durch Betätigen eines Bowdenzuges entriegelt wird, wobei die in den Federn gespeicherte Energie dann zum raschen Aufholen des Behangs genutzt wird. Diese Lösung ist weit verbreitet, bedingt jedoch eine Reihe von Nachteilen. Zum einen ist es nach einer Auslösung erforderlich, das Federelement erneut manuell zu spannen. Zudem resultiert eine unschöne Optik oft daraus, dass das Federpaket selbst nicht in die Oberschiene integriert werden kann und die Anlage damit mehr Bauraum im oberen Bereich beansprucht und außerdem die Notraffvorrichtung über spezielle zusätzliche Aufzugselemente verfügt, die im sichtbaren Bereich liegen oder aufwändig verdeckt werden müssen. Die zusätzlichen Bänder verkomplizieren auch den Aufbau der Anlage. Wegen des unkontrollierten Aufholen besteht auch eine Gefahr der Beschädigung von Raffstorelamellen, insbesondere bei bestimmten Lamellentypen, die vor dem Aufholen in eine bestimmte Winkelneigung gebracht werden müssen, da die Notraffvorrichtung gemäß dem Stand der Technik keine Wendungen der Lamellen vor der Notraffung bewerkstelligen können. Ein grundsätzlicher Nachteil besteht auch in der manuellen Auslösung, die eine entsprechende Schulung der Personen erfordert um einerseits Bedienfehler zu vermeiden und andererseits im Gefahrenfall sicher und schnell Fluchtwege freigeben zu können.Sun protection systems are provided with emergency devices in order to be able to catch up on the curtain more quickly than in normal operation in order to be able to quickly release an escape route. An example of a sunshade system of the type mentioned is, for example, in the DE 202 19 778 U1 shown. There is a biased spring assembly is provided which is unlocked by operating a Bowden cable, the energy stored in the springs is then used to catch up the curtain quickly. This solution is widely used but has a number of disadvantages. Firstly, it is necessary after triggering to manually re-tension the spring element. In addition, an unsightly appearance often results from the fact that the spring package itself can not be integrated into the upper rail and the system thus claimed more space in the upper area and also the Notraffvorrichtung has special additional elevator elements that are in the visible range or must be carefully covered. The additional bands also complicate the structure of the plant. Because of the uncontrolled catching up there is also a risk of damage to Venetian blind lamellae, especially for certain types of lamellae, which must be brought to a certain angle tilt before catching up, since the Notraffvorrichtung according to the prior art can not accomplish twists of the slats before the emergency release. A fundamental disadvantage exists also in the Manual release, which requires a corresponding training of the persons on the one hand to avoid operator error and on the other hand to be able to release escape routes safely and quickly in case of danger.

Aus der DE 10 2004 029 553 A1 ist eine Notraffvorrichtung bekannt, bei welcher einem elektrischen Antriebsmotor eine Federwelle zugeordnet ist, deren Federpaket bei einer Ausfahrbewegung gespannt wird. Im Notfall wird der elektrische Antrieb von der eigentlichen Notraffvorrichtung entkoppelt, so dass die in dem Federpaket gespeicherte Energie den Behang rasch aufholen kann. Diese Lösung hat zwar den Vorteil, dass nach einer Notraffung der elektrische Antrieb das Federpaket nach dem Schließen der Kupplung wieder vorspannen kann, neben den zuvor bereits erörterten Nachteilen solcher mechanischer Notraffvorrichtungen besteht aber noch der weitere Nachteil, dass der elektrische Antrieb die Notraffvorrichtung bei jedem Ausfahrvorgang spannen muss. Da die Notraffung erheblich schneller als ein normaler Verfahrvorgang ausgeführt werden soll, muss der elektrische Antrieb um eine Mehrfaches überdimensioniert sein, was einer wirtschaftlichen Fertigung entgegensteht und zu Problemen mit dem Bauraum und der Energieversorgung führen kann.From the DE 10 2004 029 553 A1 a Notraffvorrichtung is known in which an electric drive motor is associated with a spring shaft, the spring assembly is tensioned in an extension movement. In an emergency, the electric drive is decoupled from the actual Notraffvorrichtung, so that the stored energy in the spring package can catch up on the curtain quickly. Although this solution has the advantage that after a Notraffung the electric drive can bias the spring package after closing the clutch, in addition to the previously discussed disadvantages of such mechanical Notraffvorrichtungen but there is the further disadvantage that the electric drive the Notraffvorrichtung at each extension must tension. Since emergency rollout is to be carried out considerably faster than a normal traversing operation, the electric drive must be oversized by several times, which precludes economic production and can lead to problems with the installation space and the energy supply.

Sonnenschutzanlagen mit Sekundärantrieben, die aber für eine Notraffung nicht geeignet sind, sind aus der DE 200 05 567 U1 , der DE 200 12 242 U1 und der JP 05231081 A bekannt.Sun protection systems with secondary drives, but which are not suitable for a Notraffung are from the DE 200 05 567 U1 , of the DE 200 12 242 U1 and the JP 05231081 A known.

Die Aufgabe der Erfindung besteht darin, eine Sonnenschutzanlage mit Notraffvorrichtung im Hinblick auf die vorstehenden Nachteile bestehender Ausführungsformen zu verbessern.The object of the invention is to improve a sun shading system with a Notraffvorrichtung in view of the above disadvantages of existing embodiments.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass die Notraffvorrichtung über einen elektrischen Sekundärantrieb verfügt, der beim Auslösen ein beschleunigtes Hochfahren des Behangs durch Bereitstellen einer erhöhten Antriebsleistung anstelle oder zusätzlich zu der Antriebsleistung des Primärantriebes bewirkt, indem er den regulären Primärantrieb im Notfall zum raschen Aufholen des Behanges ersetzt oder diesem zuschaltbar ist, so dass der Behang in einer wesentlich kürzeren Zeit raffbar ist.According to the invention the object is achieved in that the Notraffvorrichtung via an electric secondary drive has, which causes an accelerated ramping up the curtain by providing an increased drive power instead of or in addition to the drive power of the prime mover when it is replaced by the regular primary drive in case of emergency to quickly catch up the curtain or this is switchable, so that the curtain in a substantial shorter time is obtainable.

Die Realisierung der Notraffvorrichtung auf der Basis einer elektrischen Ausrüstung vermeidet das manuelle Spannen eines Federkraftspeichers, so dass auch nach einem Auslösen, beispielsweise im Falle einer Übung, die Anlage nach dem Ausfahren des Behangs über den Primärantrieb sofort wieder für den Normalbetrieb einschließlich Notraffung zur Verfügung steht, ohne dass im Normalbetrieb höheren Antriebsleistung gefordert wäre. Die Notraffvorrichtung wirkt auch über die normalen Aufzugs-/Wendelager auf die regulären Aufzugsbänder der Anlage. Zusätzliche Aufzugselemente können entfallen. Dadurch, dass der reguläre Antrieb ersetzt oder lediglich unterstützt wird und bei einer Notraffung die Lamellen damit zunächst in die hierfür geeignete Winkelstellung gebracht werden, besteht auch keine Gefahr einer Beschädigung der Lamellen mehr, zumal durch die Steuerung der Antriebsleistung die Aufholbewegung zwar sehr rasch, dennoch aber kontrolliert erfolgen kann.The realization of the Notraffvorrichtung based on electrical equipment avoids the manual tensioning of a spring energy storage, so that even after a triggering, for example in the case of an exercise, the plant after the extension of the curtain on the primary drive immediately available for normal operation including emergency recovery available , without requiring higher drive power in normal operation. The emergency lifting device also acts via the normal lift / turn bearings on the regular elevator belts of the system. Additional elevator elements can be omitted. Due to the fact that the regular drive is replaced or merely supported and the lamellae are initially brought into the appropriate angular position for a first aid, there is no risk of damage to the lamellae more, especially as the catching motion is very rapid due to the control of the drive power but can be controlled.

Der Sekundärantrieb bietet den Vorteil, dass er auch bei einem Ausfall des Primärantriebes im Notfall noch den Behang raffen kann, wobei für die Anordnung des Sekundärantriebes verschiedene Möglichkeiten zur Verfügung stehen, die eine bessere Anpassung an räumliche Gegebenheiten ermöglichen, z. B. eine zweite Oberschiene vermeiden helfen.The secondary drive has the advantage that it can still catch the curtain even in case of failure of the prime mover in an emergency, with the arrangement of the secondary drive various options are available that allow a better adaptation to spatial conditions, eg. B. help avoid a second upper rail.

Der Sekundärantrieb kann beispielsweise über ein Differentialgetriebe oder alternativ über eine elektrisch schaltbare Kupplung mit der Antriebswelle des Primärantriebes gekoppelt sein. Das Differentialgetriebe bzw. die Kupplung sorgen dafür, dass im Normalbetrieb der zusätzliche Antrieb von der Antriebswelle entkoppelt ist und im normalen Betrieb nicht mit der Antriebswelle rotiert. Entsprechend wird der Sekundärantrieb nur im Notfall mit Spannung versorgt.The secondary drive, for example via a differential gear or alternatively via an electrically switchable Coupling be coupled to the drive shaft of the prime mover. The differential gear or the clutch ensure that in normal operation, the additional drive is decoupled from the drive shaft and does not rotate with the drive shaft in normal operation. Accordingly, the secondary drive is supplied with power only in an emergency.

Als Anordnung für den Sekundärantrieb besteht die Option, diesen mit seiner Antriebswelle koaxial zum Primärantrieb anzuordnen beispielsweise auch auf einer einzigen, durchgehenden Antriebswelle. Sofern kein Platz im Bereich der Antriebswelle des Primärantriebes zur Verfügung steht, beispielsweise bei sehr schmalen Anlagen, kann der Sekundärantrieb der Notraffvorrichtung auch außerhalb der Oberschiene zur Aufnahme des Primärantriebes angeordnet und über geeignete Antriebsmomente mit der Antriebswelle des Primärantriebes gekoppelt sein. Beispielsweise kann der Sekundärantrieb auch mit einer vertikalen Antriebswelle seitlich neben oder über dem von dem Behang der Sonnenschutzanlage zu verschattenden Bereich angeordnet sein, wobei die Ankopplung dann über ein Winkelgetriebe erfolgt.As an arrangement for the secondary drive there is the option to arrange it with its drive shaft coaxial with the primary drive, for example, on a single, continuous drive shaft. If there is no space in the drive shaft of the primary drive available, for example, in very narrow systems, the secondary drive of Notraffvorrichtung can also be arranged outside the upper rail for receiving the primary drive and coupled via suitable drive torque to the drive shaft of the prime mover. For example, the secondary drive can also be arranged with a vertical drive shaft laterally next to or above the area to be shaded by the curtain of the sunshade system, wherein the coupling then takes place via an angle gear.

Die elektrische Ausrüstung der Notraffvorrichtung erlaubt auch eine problemlose Ansteuerung mit Hilfe eines externen Signals, das eine Steuereinrichtung betätigt, die die Notraffvorrichtung auslöst. Dieses externe Signal kann beispielsweise durch Betätigungsschalter oder -taster unterschiedliche Arten von Sensoren, wie z. B. Brand- und Rauchmelder oder Temperatursensoren, aber auch durch Bewegungsmelder, ausgelöste Rauch- und Wärmeabzuganlagen oder eine ausgelösten Feueralarm generiert werden. Ohne weiteres ist es auch möglich, von einer Zentrale aus, in der die Gebäudetechnik zentral überwacht wird, das externe Auslösesignal für alle in einem Gebäude verbauten Notraffvorrichtungen zu geben, die dann simultan die Fluchtwege freigeben, ohne dass jede Anlage einzeln manuell ausgelöst werden müsste.The electrical equipment of the emergency lifting device also allows easy control by means of an external signal, which actuates a control device which triggers the emergency lifting device. This external signal, for example, by actuation switch or push-button different types of sensors, such. As fire and smoke detectors or temperature sensors, but also by motion detectors, triggered smoke and heat exhaust systems or a triggered fire alarm are generated. Without further ado, it is also possible to give the external triggering signal for all emergency building devices installed in a building from a control center in which the building technology is centrally monitored then simultaneously release the escape routes, without each system would have to manually triggered individually.

Besonders bevorzugt ist eine Ausführungsform, bei welcher die Notraffvorrichtung über eine Notstromversorgung verfügt, die im Falle eines Stromausfalls das Signal zum Auslösen der Notraffvorrichtung generiert und die notwendige elektrische Antriebsleistung zur Verfügung stellt.Particularly preferred is an embodiment in which the Notraffvorrichtung has an emergency power supply, which generates the signal to trigger the Notraffvorrichtung in the event of a power failure and provides the necessary electrical drive power available.

Eine weitere zweckmäßige Ausführungsform der Erfindung sieht vor, dass ein Windsensor im Falle einer bestimmten Windbelastung das externe Signal zum Auslösen der Notraffvorrichtung generiert. Dabei kann auch durch eine Steuerlogik unterschieden werden, ob bei einer relativ kleinen Windbelastung ein relativ langsames Aufrollen des Behangs mit Hilfe des Primärantriebes oder, z. B. bei einem aufkommenden Gewitter mit starken Böen, ein schnelles Aufholen mit Hilfe des Sekundärantriebes erfolgen soll.A further expedient embodiment of the invention provides that, in the case of a specific wind load, a wind sensor generates the external signal for triggering the emergency raid device. It can also be distinguished by a control logic, if at a relatively small wind load, a relatively slow rolling up of the curtain using the primary drive or, z. B. in an emerging thunderstorm with strong gusts, a quick catch up with the help of the secondary drive should be.

Nachfolgend wird anhand der beigefügten Zeichnungen näher auf Ausführungsbeispiele der Erfindung eingegangen. Es zeigen:

Fig. 1
eine erste Ausführungsform einer Sonnenschutzanlage mit außerhalb der Oberschiene angeordnetem Sekundärantrieb einer Notraffvorrichtung;
Fig. 2
eine in eine Oberschiene einer Sonnenschutzanlage integrierte Notraffvorrichtung;
Fig. 3
eine weitere Ausführungsform einer Anlage mit elektronisch realisierter Notraffvorrichtung.
Hereinafter, reference will be made to embodiments of the invention with reference to the accompanying drawings. Show it:
Fig. 1
a first embodiment of a sun protection system with arranged outside the upper rail secondary drive a Notraffvorrichtung;
Fig. 2
a Notraffvorrichtung integrated into an upper rail of a sunshade system;
Fig. 3
a further embodiment of a system with electronically implemented Notraffvorrichtung.

Fig. 1 zeigt eine Oberschiene 12 einer Sonnenschutzanlage 10 mit einem raffbaren Lamellenbehang (nicht gezeigt), wie er beispielsweise zur Verschattung im Bereich von Türen oder Fenstern eingesetzt wird, die auch als Fluchtweg dienen. In der Oberschiene 12 ist ein elektrischer Primärantrieb 14 vorgesehen, der über eine Antriebswelle 16 auf kombinierte Wende-/Aufzugslager wirkt. Die Aufzugslager besitzen jeweils eine Bandspule, auf welchen ein Aufzugsband auf- und abgewickelt werden kann, das an der Endschiene des Behangs (nicht gezeigt) befestigt ist. Die einzelnen Lamellen (ebenfalls nicht gezeigt) des Behangs sind an einer Leiterkordel oder dergleichen aufgehängt, die das Wendelager 18 umschlingt. Das Wendelager kann innerhalb eines definierten Winkelbereiches durch Verstellen des Primärantriebes verschwenkt werden, so dass die Neigung der Lamellen einstellbar ist. Dies bedeutet auch, dass beim Aufholen des Behangs mit der dadurch vorgegebenen Drehrichtung die Lamellen vor dem Aufholen zunächst durch Verschwenken der Wendelager bis an den Endanschlag immer in eine definierte Winkelstellung gebracht werden. Fig. 1 shows an upper rail 12 of a sunshade system 10 with a gatherable Lamellenbehang (not shown), as used for example for shading in the field of doors or windows, which also serve as an escape route. In the upper rail 12 is an electric primary drive 14 is provided, which acts via a drive shaft 16 on combined reversible / elevator bearings. The elevator bearings each have a reel on which an elevator belt can be wound up and down, which is attached to the end rail of the curtain (not shown). The individual slats (also not shown) of the curtain are suspended on a ladder cord or the like, which wraps around the coil bearing 18. The spiral bearing can be pivoted within a defined angular range by adjusting the primary drive, so that the inclination of the slats is adjustable. This also means that when catching up the curtain with the direction of rotation predetermined thereby, the slats are always brought into a defined angular position before catching up by pivoting the coil bearings up to the end stop.

Da das Aufholen des Behangs im Normalfall vergleichsweise langsam vonstatten geht, weil kein Bedarf für ein besonders rasches Aufholen besteht und für ein schnelleres Aufholen eine erheblich höhere Antriebsleistung erforderlich wäre, die wiederum einen größeren Primärantrieb 14 bedingen würde, ist es notwendig, für eine Notfallsituation eine Notraffvorrichtung 20 vorzusehen, mit deren Hilfe im Gefahrenfall das Aufholen des Behangs erheblich beschleunigt werden kann, z. B. um etwa den Faktor 10. Die Notraffvorrichtung 20 verfügt über einen Sekundärantrieb 22, der über eine Antriebswelle 24 und ein Winkelgetriebe 26 auf eine Zwischenwelle 28 wirkt, die über ein Differentialgetriebe 30 an die Antriebswelle 16 des Primärantriebes 14 angekoppelt ist. Im Regelfall trennt das Differentialgetriebe 30 den Sekundärantrieb 22 vom Primärantrieb 14, d. h. bei einem normalen Verstellen des Behangs ruht der Sekundärantrieb 22 und die ihm zugeordneten Antriebselemente 24, 26, 28.Since the catching up of the curtain in the normal case is comparatively slow, because there is no need for a particularly rapid catch-up and a much higher drive power would be required for a faster catch, which in turn would require a larger primary drive 14, it is necessary for an emergency situation Provide emergency 20, with the help of which in case of danger, the catching up of the curtain can be significantly accelerated, z. B. The emergency raking device 20 has a secondary drive 22, which acts via a drive shaft 24 and an angle gear 26 on an intermediate shaft 28 which is coupled via a differential gear 30 to the drive shaft 16 of the prime mover 14. As a rule, the differential gear 30 separates the secondary drive 22 from the primary drive 14, ie with a normal adjustment of the blind rests the secondary drive 22 and its associated drive elements 24, 26, 28th

Der Sekundärantrieb 22 ist so ausgelegt, dass er nach seinem Einschalten die Wende-/Aufzugslager mit gegenüber dem Primärantrieb 14 erheblich höherer Drehzahl antreibt, so dass das Aufholen ggf. unter weiterer Unterstützung durch den Primärantrieb 14 erheblich schneller vonstatten gehen kann. Ein typischer Wert ist eine um den Faktor 10 oder mehr erhöhte Drehzahl. Da der Antrieb über die Wende-/ Aufzugslager 18 und die Antriebswelle 16 des Primärantriebes 14 erfolgt, werden auch die Lamellen vorher in eine für das Raffen optimale Position gebracht, so dass eine Beschädigung auch bei ausgefallenen Lamellenprofilen ausgeschlossen werden kann. Außerdem sind für die Notraffvorrichtung keine zusätzlichen Aufholbänder erforderlich, die im sichtbaren Bereich liegen würden und bei bekannten Anlagen bei ausgefahrenem Behang das optische Erscheinungsbild stören.The secondary drive 22 is designed so that it drives the turning / elevator bearings with respect to the primary drive 14 significantly higher speed after its activation, so that catching up can possibly go much faster with further support by the primary drive 14. A typical value is a speed increased by a factor of 10 or more. Since the drive via the reversible / elevator bearings 18 and the drive shaft 16 of the prime mover 14, the lamellae are previously brought into an optimum for shirring position, so that damage can be excluded even with failed lamellar profiles. In addition, no additional Aufholbänder are required for the Notraffvorrichtung, which would be in the visible range and interfere with known systems with extended blind the visual appearance.

Die Ansteuerung des Sekundärantriebes 22 erfolgt mittels einer Steuereinrichtung, die durch ein externes Signal auslösbar ist. Ein solches externes Signal kann beispielsweise eine Betätigungstaste oder -schalter (nicht dargestellt) sein, der in unmittelbarer Nähe der Anlage angeordnet und als Notfallschalter gekennzeichnet ist. Besonders vorteilhaft ist aber, dass das externe Signal auch durch andere Sensoren ausgelöst werden kann, beispielsweise Brand- oder Rauchmelder, Temperatursensoren, Bewegungsmelder oder Auslösesignale von Rauch- und Wärmeabzugsanlagen. Die Auslösung kann auch über eine zentrale Steuerzentrale erfolgen, wenn beispielsweise in einem Haus ein Feueralarm ausgelöst wird.The control of the secondary drive 22 by means of a control device which can be triggered by an external signal. Such an external signal may, for example, be an actuating button or switch (not shown) arranged in the immediate vicinity of the system and marked as an emergency switch. It is particularly advantageous, however, that the external signal can also be triggered by other sensors, such as fire or smoke detectors, temperature sensors, motion detectors or trigger signals of smoke and heat exhaust systems. The triggering can also be done via a central control unit, for example, when a fire alarm is triggered in a house.

Der Sekundärantrieb 22 und die ihm zugeordnete Steuereinrichtung können mit einer Notstromversorgung gekoppelt sein, die beispielsweise im Falle eines Stromausfalls das externe Signal generiert und auch die elektrische Energie für die Betätigung des Sekundärantriebes 22 zur Verfügung stellt. Denkbar ist auch die Ansteuerung der Notfallvorrichtung 20 bei einem Windalarm, wenn beispielsweise plötzliche Windböen in erheblicher Stärke drohen, die Sonnenschutzanlage 10 zu beschädigen.The secondary drive 22 and the control device assigned to it can be coupled to an emergency power supply which, for example, generates the external signal in the event of a power failure and also provides the electrical energy for actuating the secondary drive 22. Conceivable is also the control of the emergency device 20 in a wind alarm, for example, if sudden gusts of wind threaten to considerable extent to damage the sunshade system 10.

Da die in Fig. 1 gezeigte Ausführungsform wegen der kurzen Länge der Oberschiene nicht genügend Raum bietet, den Sekundärantrieb in die Oberschiene zu integrieren, sind dort der Sekundärantrieb 22 und die ihm zugeordneten Antriebselemente seitlich und um 90° gedreht unterhalb der Oberschiene angeordnet. Bei genügend langer Oberschiene ist es ohne weiteres möglich, den Sekundärantrieb in die Oberschiene zu integrieren. So ist bei dem Ausführungsbeispiel gemäß Fig. 2 in einer Oberschiene 112 nicht nur ein Primärantrieb 114 mit den bereits erörterten Wende-/Aufzugslagern 118 vorgesehen, sondern auch ein Sekundärantrieb 122, der bei dieser koaxialen Anordnung zum Primärantrieb 114 über eine einfache Zwischenwelle 128 auf das Differentialgetriebe 130 wirken kann. Bei einer solchen Anordnung ist es von außen nicht mehr erkennbar, dass die Sonnenschutzanlage mit einer Notraffvorrichtung ausgerüstet ist, und auch bei der Montage entsteht keinerlei Mehraufwand, mit Ausnahme einer eventuelle vorzusehenden Verdrahtung der Notfallvorrichtung 120 zum Anlegen externer Steuersignale oder einer Verbindung mit einer Notstromversorgung.Since the in Fig. 1 shown embodiment because of the short length of the upper rail does not provide enough space to integrate the secondary drive in the upper rail, there are the secondary drive 22 and its associated drive elements laterally and rotated by 90 ° below the upper rail. With a sufficiently long top rail, it is easily possible to integrate the secondary drive into the top rail. Thus, in the embodiment according to Fig. 2 provided in an upper rail 112 not only a prime mover 114 with the already discussed reversing / elevator bearings 118, but also a secondary drive 122, which can act in this coaxial arrangement to the primary drive 114 via a simple intermediate shaft 128 to the differential gear 130. In such an arrangement, it is no longer recognizable from the outside that the sunshade system is equipped with a Notraffvorrichtung, and also during assembly no additional effort, except for any provided wiring of the emergency device 120 for applying external control signals or a connection to an emergency power supply.

Schließlich ist in Fig. 3 noch eine weitere Ausführungsform einer Sonnenschutzanlage 210 gezeigt, bei welcher ein einziger Antrieb 214 sowohl den Primärantrieb als auch den Sekundärantrieb darstellt. Die Besonderheit dieser Ausführungsform liegt darin, dass der Antrieb 214 in mehreren Betriebsbereichen mit unterschiedlichen Drehzahlen betreibbar ist, wobei eine Steuervorrichtung im Regelfall für ein vergleichsweise langsames Ein- und Ausfahren des Behanges sorgt. In einer Notfallsituation mit Auslösen des bereits angesprochenen externen Signals erzeugt dann die Steuervorrichtung entweder eine erhöhte Versorgungsspannung für den Antrieb 214 oder es werden zusätzliche Wicklungen in dem Antriebsmotor 214 bestromt, um durch die dann höhere Antriebsleistung das rasche Einholen des Behangs zu veranlassen. Der Vorteil dieser Ausführungsform besteht in dem Wegfall sämtlicher Getriebeteile zur Ankopplung des Sekundärantriebes an den Primärantrieb, d. h. der einzige vorgesehene Antrieb 214 wird schlicht über Antriebswellen 216 mit dem im Beispielsfall 2 Aufzug-/Wendelagern 218 gekoppelt. Dem gegebenenfalls etwas höheren Platzbedarf des Antriebes 214, der die höhere Antriebsleistung zumindest im kurzzeitigen Betrieb schadlos überstehen muss, steht die Raumersparnis durch die entfallenden Getriebeteile und die damit verbundene Kosteneinsparung entgegen.Finally, in Fig. 3 Yet another embodiment of a sunshade system 210 is shown in which a single drive 214 represents both the prime mover and the secondary drive. The peculiarity of this embodiment lies in the fact that the drive 214 can be operated at different rotational speeds in a plurality of operating regions, with a control device generally ensuring a comparatively slow retraction and extension of the curtain. In an emergency situation triggering the already mentioned external Signal then generates the control device either an increased supply voltage for the drive 214 or it will be energized additional windings in the drive motor 214, to cause by the then higher drive power, the rapid recovery of the blind. The advantage of this embodiment is the elimination of all gear parts for coupling the secondary drive to the primary drive, ie the only provided drive 214 is simply coupled via drive shafts 216 with the example in the case of 2 elevator / reversible bearings 218. The possibly slightly higher space requirement of the drive 214, which must withstand the higher drive power at least during short-term operation without damage, is offset by the space savings by the attributable gear parts and the associated cost savings.

Die beschriebene Notraffvorrichtung ist nicht nur bei den zuvor erwähnten Raffstoreanlagen einsetzbar, sondern kann auch zum besonders schnellen Einholen von wickelbaren Behängen dienen, z. B. bei Rollos, Markisen oder Verdunklungsanlagen. Die Notraffvorrichtung wirkt dann anstelle oder zusätzlich zu dem Primärantrieb auf die Wickelwelle des Behangs.The Notraffvorrichtung described is not only used in the aforementioned external venetian blinds, but can also be used for particularly fast recovery of windable hangings, z. As for blinds, awnings or blackout systems. The Notraffvorrichtung then acts instead of or in addition to the primary drive on the winding shaft of the curtain.

Claims (10)

  1. A sun protection system comprising a hanging, which can be wound or gathered with the help of a primary drive (14), and comprising an emergency gathering device (20), which provides for a particularly quick pick-up of the hanging in a dangerous situation, characterized in that the emergency gathering device (20) has an electric secondary drive (22; 122), which, in response to being triggered, effects an accelerated pick-up of the hanging by providing an increased drive power instead of or in addition to the regular drive power of the primary drive (14; 114), in that, in case of an emergency, it replaces the regular primary drive (14; 114) for quickly picking up the hanging or can be connected to the latter, so that the hanging can be gathered within a significantly shorter period of time.
  2. The sun protection system according to claim 1, characterized in that the secondary drive (22; 122) of the emergency gathering device (20; 120) is coupled to the drive shaft (16; 116) of the primary drive (14; 114) via a differential gear (30; 130).
  3. The sun protection system according to claim 1, characterized in that the electric secondary drive of the emergency gathering device is coupled to the primary drive via an electrically switchable coupling.
  4. The sun protection system according to any one of claims 1 to 3, characterized in that the secondary drive (122) of the emergency gathering device (120) is arranged such that its drive shaft (128) is coaxial to the primary drive (114, 116).
  5. The sun protection system according to any one of claims 1 to 3, characterized in that the secondary drive (22) of the emergency gathering device (20) is arranged outside of an upper rail (12) for accommodating the primary drive (14) and is coupled to the drive shaft (16) of the primary drive (14) via suitable drive elements (24, 26, 28).
  6. The sun protection system according to claim 1, characterized in that provision is made for a control device, which triggers the emergency gathering device (20; 120) when an external signal is applied.
  7. The sun protection system according to claim 6, characterized in that the external signal can be triggered by means of a control switch or button or by certain sensors, such as fire or smoke detectors, temperature sensors, motion detectors, smoke or heat exhaust systems or the like.
  8. The sun protection system according to claim 6 or 7, characterized in that the emergency gathering device has an emergency power supply, which, in the case of a power failure, generates the external signal for triggering the emergency gathering device and which provides the required electrical drive energy.
  9. The sun protection system according to any one of claims 6 to 8, characterized in that, in the case of a certain wind load, a wind sensor generates the external signal for triggering the emergency gathering device.
  10. The sun protection system according to any one of the preceding claims, characterized in that the emergency gathering takes place via drive elements and/or hoisting elements of the primary drive (14).
EP09007981.5A 2008-06-26 2009-06-18 Sun protection facility with emergency folding facility Active EP2138673B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008030483A DE102008030483A1 (en) 2008-06-26 2008-06-26 Sun protection system with emergency lifting device

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EP2138673A1 EP2138673A1 (en) 2009-12-30
EP2138673B1 true EP2138673B1 (en) 2013-12-25
EP2138673B2 EP2138673B2 (en) 2020-07-01

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010023151A1 (en) 2010-06-01 2011-12-01 Reflexa-Werke Albrecht Gmbh emergency blinds system
DE102011117989A1 (en) 2011-11-09 2013-05-16 Warema Renkhoff Se Sun protection system with two drive motors

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3238473C2 (en) * 1982-10-16 1985-04-18 Ehage Jalousie-Fabrik Erich Hinnenberg GmbH & Co KG, 4006 Erkrath Roman blinds, especially for escape doors
JP2599527B2 (en) * 1992-02-18 1997-04-09 文化シヤッター株式会社 Drive unit for electric shutter
US6082433A (en) † 1997-11-21 2000-07-04 Overhead Door Corporation Control system and method for roll-up door
DE19942512A1 (en) † 1999-09-07 2001-03-08 Somfy Feinmech & Elektrotech Electric drive device for blackout or shading devices
DE20005567U1 (en) * 2000-03-24 2000-07-13 Warema Renkhoff Gmbh, 97828 Marktheidenfeld Sun protection system with drive secured against failure
DE20012242U1 (en) * 2000-07-14 2000-12-14 Cheng, Keng Mu, Taipeh/T'ai-pei Double power transmission mechanism
DE10216342C1 (en) * 2002-04-13 2003-05-22 Warema Renkhoff Gmbh & Co Kg Sun-protection system used as a blind comprises an emergency reel device having a lifting spring with a lifting element acting on a hanging via a step-down gear
DE20219778U1 (en) 2002-12-20 2003-02-27 Warema Renkhoff Gmbh, 97828 Marktheidenfeld Hand-lever and Bowden cable operated locking system for window shutters
FR2858491B1 (en) † 2003-07-29 2010-06-18 Somfy METHOD FOR CONTROLLING A MOTORIZED SCREEN AND DEVICE FOR CARRYING OUT SAID METHOD
DE102004029553A1 (en) * 2004-06-18 2006-01-12 Hüppelux Sonnenschutzsysteme GmbH & Co. KG Auxiliary snatching device for engagable and extendable hanging to lock opening of e.g. door, has shaft and arbor arranged in two parallel axes, and connecting drive connecting shaft and arbor only with coupling
NL1026541C2 (en) † 2004-07-01 2006-01-03 Marcel Marinus Wilhelm Vermeer Protective construction that opens in the event of a disaster.
DE202005000588U1 (en) * 2005-01-14 2005-03-24 Schueco Int Kg Sun protection system with emergency lifting device

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Publication number Publication date
EP2138673B2 (en) 2020-07-01
EP2138673A1 (en) 2009-12-30
DE102008030483A1 (en) 2009-12-31

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