EP2960197B1 - Emergency winding for electrically operated blind and sun protection systems - Google Patents
Emergency winding for electrically operated blind and sun protection systems Download PDFInfo
- Publication number
- EP2960197B1 EP2960197B1 EP15001766.3A EP15001766A EP2960197B1 EP 2960197 B1 EP2960197 B1 EP 2960197B1 EP 15001766 A EP15001766 A EP 15001766A EP 2960197 B1 EP2960197 B1 EP 2960197B1
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- EP
- European Patent Office
- Prior art keywords
- motor
- emergency
- winding
- journal
- shaft
- 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.)
- Not-in-force
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- 238000004804 winding Methods 0.000 title claims description 40
- 230000037072 sun protection Effects 0.000 title claims description 8
- 230000004313 glare Effects 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 240000003517 Elaeocarpus dentatus Species 0.000 description 1
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- JKMBMIMLVFMXRW-LYYFRFARSA-N epicocconone Chemical compound C1=C2C[C@@H](CO)OC=C2C(=O)[C@]2(C)C1=C(C(/O)=C/C(=O)/C=C/C=C/C=C/C)C(=O)O2 JKMBMIMLVFMXRW-LYYFRFARSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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- 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
-
- 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
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- 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
Definitions
- the invention relates to an electrically operated unwinding device with emergency winding, in particular for glare and sun protection systems, shutters or roller shutters, according to claim 1.
- a winding cover device with emergency winding known in which on a shaft, a flexible long part, such as a roller shutter, is fixed, which is wound in an open state on the shaft and unwound in a closed position of the shaft.
- a reversible tubular motor is arranged, on the one hand has a driven part for driving the shaft and the other hand is fixedly supported on a stationary bearing with a motor pin.
- a tension spring is arranged, which is tensioned in normal operation and locked in rotation with the driven part.
- this connection can be unlocked by means of a mechanical actuator, wherein the tension spring on the one hand axially displaces the tubular motor within the shaft and on the other hand rotates the shaft for winding the shutter relative to the tubular motor in the winding.
- This device has the disadvantage that in an emergency, the relatively heavy and under circumstances standing under train tubular motor must be moved axially by the tension spring, which either high forces required or otherwise there is a risk of jamming, so that the emergency winding could fail in an emergency.
- this emergency winding can not be combined with conventional devices, but conventional winding cover devices must be constructively adapted to emergency winding.
- a drive device for shutters with an emergency winding comprising a shaft for winding and unwinding of the shutter, which has at one end a bearing pin for stationary, rotatable mounting and at the opposite end of an electrically reversible tubular motor.
- the tubular motor has in turn at one end a motor pin for stationary storage and on the other hand, a rotatably connected to the shaft output member.
- a spring element is arranged, which is biased when closing the shutter and thereby exerts a torque in the opening direction of the roller shutter.
- an unlocking device is further arranged, which prevents a rotational movement of the motor pin in normal operation and releases after an operation in an emergency rotational movement of the motor pin by means of the spring element.
- This device has the disadvantage that the shaft is constantly under spring tension under normal operation.
- equipping commercial, motor-assisted systems with such emergency rewinding is cumbersome because the elements of the emergency rewind are located at opposite ends of the system and therefore a complete redesign of the systems is necessary.
- the object of the invention is therefore to provide an unwinding device with emergency winding, which is simple in construction, works reliably in an emergency and forms a compact unit.
- the unwinding device according to the invention with emergency winding comprises a shaft for winding or unwinding of a flexible surface element having at one end a bearing pin for stationary, rotatable mounting and at the opposite end having an electrically revisable tubular motor, said tubular motor having on the one hand a motor pin for stationary storage and on the other hand rotatably connected to the shaft output member, wherein the emergency winding comprises an unlocking device and a mechanical drive device, and wherein the unlocking device after an operation in an emergency mechanical or spring-loaded winding allows.
- the unlocking device is designed such that it prevents a rotational movement of the motor pin in normal operation and releases a rotational movement of the motor pin after an emergency operation.
- the mechanical drive device is coaxially wound around the motor pin Driving spring formed and arranged adjacent to the unlocking device on the motor pin, wherein the mainspring is arranged stationary at the outer end and at the inner end exerts a torque on the motor pin in the winding.
- the mechanical drive device may alternatively be designed as Gurtroller or crank mechanism, so that proven technology can be used.
- the unlocking device can be designed as arranged transversely to the direction of rotation of the shaft locking part, wherein the motor pin in the unlocking device has a deviating from the circular profile cross-section, and wherein the locking part open from above, For receiving the motor cross-section corresponding to the profile cross section.
- the locking part can be held in the vertical direction by elastic or easily releasable securing elements in a locking position. Since the locking part must essentially support the occurring torques during winding and unwinding, but the bearing points absorb the weight force, only a small force has to be expended for unlocking the emergency winding.
- the unlocking device can be made operable from the inside and outside.
- the emergency winding can be arranged within the wall box, which does not require additional space. However, if the available space in the wall box is not sufficient, the emergency winding can be arranged outside the wall box.
- the device according to the invention offers the overall advantage that in an emergency lightning fast winding is possible, even in the event of a power failure. It is also suitable for all electrically operated glare and sun protection systems and electric roller doors, without the original structure must be significantly changed. Furthermore, the operation is possible with little effort. Since it is a mechanical solution, only low maintenance costs can be expected.
- Fig. 1 an unwinding apparatus, generally designated 1, with an emergency rewind 2 is shown.
- the unwinding device 1 is preferably arranged in wall openings, for example windows or window door openings, and is designed as a glare or sun protection system, as a roller shutter or as a roller shutter.
- the unwinding device 1 comprises a shaft 4, on which a flexible, not shown surface element up or can be unwound.
- the surface element on narrow rail elements which are pivotally connected to each other in the direction of the shaft axis.
- the roller shutter is preferably arranged in a wall box 3, which has on the underside a not shown, substantially over the entire transverse side extending exit slot. Through this exit slot, the roller shutter can extend when unwinding down and is then held on opposite sides in each case in a guide rail.
- the shaft 4 is executed at one end - in the embodiment right - hollow and takes in an electrically reversible tubular motor 5. That is, the direction of rotation of the tubular motor can be reversed electrically for unwinding or winding of the surface element.
- the tubular motor shown in a schematic diagram 5 has a motor pin 6 designed as a stator, and a relative to the stator, designed as a driven part 7 rotor, which is rotatably connected to the shaft 4.
- a bearing pin 8 is also arranged on the shaft 4.
- the bearing pin 8 and the motor pin 6 are arranged coaxially and vertically supported on two on the wall box 3 on opposite sides arranged bearing points 9a, 9b and rotatably supported.
- the total designated 2 emergency winding is still arranged.
- This has an unlocking device 10 and a mechanical drive device 11 and comprises the motor pin 6 coaxially.
- the mechanical drive device 11 and the unlocking device 10 is disposed adjacent in the wall box 3, this order also reversed or outboard ( Fig. 3 ) can be performed.
- the mechanical drive device 11 as a mainspring 12 coaxially wound around the motor pin 6.
- the outer end of the mainspring 12 is connected to the motor pin, while the outer end of the mainspring 12 stationary, for example, is arranged on the housing 13 of the emergency rewind.
- the mainspring 12 exerts in the wound state a torque in the winding direction on the motor pin 6.
- the unlocking device 10 which in Fig. 2 is shown in more detail in plan view, is designed such that it prevents a rotational movement of the motor pin 6 in normal operation of the unwinding device 1 and releases a rotational movement of the motor pin 6 after an operation in an emergency.
- the Unlocking device 10 according to embodiment as vertically arranged in the housing 13 locking part 14 executed, which has a freewheel cross section 15 for the motor pin 6 in the upper central region.
- the motor pin 6 has, at least in the region of the unlocking device 10, a profile cross-section 16 deviating from the circular shape, for example as in FIG Fig. 2 shown with an octagonal profile cross-section.
- the freewheel cross section 15 in the locking part 14 has accordingly at its bottom end to a profile cross-section 16 corresponding shape. Furthermore, the locking member 14 is supported on opposite sides via housing struts 21 or directly on the housing 9, so that when winding or unwinding of the surface element on the motor pin 6 acting torques on the locking part 14 and from there on the housing 13 are supported.
- a slot 18 suitable for carrying out the locking part 14 is provided, through which the locking part 14 can be pulled down by means of an emergency operation 19.
- the spring elements 17a, 17b are here designed so that the weight of the locking part 14 is sufficiently compensated, so that an unwanted lowering of the locking part 14 is prevented.
- the spring force is preferably not designed stronger than necessary, so that the emergency operation 19 can be operated with little effort.
- the securing elements 17 may also be designed as a suspension or support.
- suspension the spring elements 17a, 17b are replaced by wires, cords, plastic elements or the like, the tearing strength or load capacity of the fastening being designed according to the requirements described above.
- support the spring elements 17a, 17b are replaced by folds, noses or the like, which are suppressed in an emergency.
- the emergency winding 2 unlocked by means of the emergency operation 19, so eliminates the non-rotatable mounting of the motor pin 6 of the tubular motor 5. Therefore, the force exerted by the mainspring 12 torque the motor pin 6 and thus the tubular motor 5 rotate together with the shaft 4 in the winding.
- the mainspring 12 is preferably designed so that the torque is sufficient to completely roll up the surface element within a few seconds.
- an electrical contact 20 is provided for controlling the tubular motor 5.
- an unillustrated slip ring is used to prevent during an emergency winding a twisting of the electrical line and to ensure easy repair of the mainspring 12 after the operation in an emergency.
- the emergency winding can also be carried out as a conventional belt roller or crank drive.
- the emergency operation 19 may be executed in the simplest case as a cord or belt. By pulling on the cord or on the belt, the locking member 14 is pulled against the securing elements 17 through the slot 18 in the housing 13 down and thereby unlocks the emergency winding so that the surface element automatically wound up completely by means of the mainspring 12 in a short time becomes.
- the emergency operation 19 is disposed within the building and possibly marked accordingly and / or secured.
- persons in the building can initiate the emergency operation 19.
- a further emergency operation 19 can be laid in the outer area of the building, so that an emergency operation by the fire department or other rescue services can be triggered.
- FIG Fig. 3 Another embodiment of an unwinding device 1 with emergency winding 2 is shown in FIG Fig. 3 represented deviating from Fig. 1 the emergency winding 2 is arranged outside the wall box 3. Furthermore, the order in the arrangement of the individual components is reversed, without thereby changing the basic operation of the device.
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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)
Description
Die Erfindung betrifft eine elektrisch betriebene Abwickel-Vorrichtung mit Notfall-Aufwicklung, insbesondere für Blend- bzw. Sonnenschutzsysteme, Rollläden oder Rolltore, gemäß Patentanspruch 1.The invention relates to an electrically operated unwinding device with emergency winding, in particular for glare and sun protection systems, shutters or roller shutters, according to
Zur Gewährleistung eines ausreichenden Brandschutzes, insbesondere für Schulen, Wohnanlagen, Krankenhäuser, Altersheime, Verwaltungsgebäude, gibt es gesetzliche Regelungen für Fluchtwege, Notausgänge und Notausstiege. Die Anforderungen ergeben sich aus der jeweiligen Landesbauordnung (LBO) und den Arbeitsstättenrichtlinien (ASR). Beispielsweise gelten in Baden-Württemberg (siehe LBO BW § 28) folgende Anforderungen an Bauteile in Rettungswegen:
- "Türen und Fenster, die bei einem Brand der Rettung von Menschen dienen oder der Ausbreitung von Feuer und Rauch entgegenwirken, müssen so beschaffen und angeordnet sein, dass sie den Erfordernissen des Brandschutzes genügen."
- "Doors and windows that serve to rescue people in a fire or counteract the spread of fire and smoke must be designed and arranged to meet the requirements of fire safety."
Die zugehörigen Begriffsbestimmungen sind z.B. ASR A2.3, Punkt 4 zu entnehmen:
- "(1) Beim Einrichten und Betreiben von Fluchtwegen und Notausgängen sind die beim Errichten von Rettungswegen zu beachtenden Anforderungen des Bauordnungsrechts der Länder zu berücksichtigen. Darüber hinaus können sich weitergehende Anforderungen an Fluchtwege und Notausgänge aus dieser Arbeitsstättenregel ergeben. Dies gilt z. B. für das Erfordernis zur Einrichtung eines zweiten Fluchtweges.
- (2) Fluchtwege, Notausgänge und Notausstiege müssen ständig freigehalten werden, damit sie jederzeit benutzt werden können."
- "(1) When setting up and operating escape routes and emergency exits, when setting up escape routes, the too compliance with the requirements of the building regulations of the Länder. In addition, further requirements may arise for escape routes and emergency exits from this workplace rule. This applies z. B. for the requirement to set up a second escape route.
- (2) Escape routes, emergency exits and emergency exits must be kept clear at all times so that they can be used at any time. "
Die Praxis zeigt eine unterschiedliche, uneinheitliche Auslegung und Grauzone bei der Bauabnahme, da der Einsatz von elektrischen Motoren bei Blend- und Sonnenschutzsystemen in der Bauplanung und Herstellung, in der täglichen Nutzung und im Notfall bisher mit vielen Problemen und vielen Nachteilen behaftet ist. Fenster oder Fenstertüren, die als Fluchtweg oder Notausstieg vorgesehen sind, sind immer häufiger mit elektrischen Rollläden oder anderen elektrisch angetriebenen Blend- und Sonnenschutzsystemen versehen. Diese stellen dann im Brand- oder Notfall häufig ein Hindernis dar, insbesondere bei Stromausfall beziehungsweise bei Dunkelheit.The practice shows a different, uneven design and gray area in the acceptance test, since the use of electric motors in glare and sun protection systems in construction planning and manufacturing, in daily use and in an emergency so far has many problems and many disadvantages. Windows or balcony doors intended as escape route or emergency exit are increasingly equipped with electric shutters or other electrically driven glare and sun protection systems. These then often pose a barrier in case of fire or emergency, especially in the event of a power failure or in the dark.
Auch der Gesetzgeber hat in Zukunft die Aufgabe, diese Grauzone "elektrische Rollläden" genauer zu definieren. Diese Probleme und Nachteile einer "Einfachen Notentriegelung von elektrischen Motoren" wurden von der Industrie bisher noch nicht zufriedenstellend und kostengünstig gelöst.The legislature will also have the task of defining this gray area "electric shutters" more precisely. These problems and disadvantages of a "simple emergency release of electric motors" have not yet been satisfactorily and inexpensively solved by the industry.
Dieses Problem kann durch den Einsatz mechanischer Motoren mit einer Nothandkurbel umgangen werden. Dadurch ist aber der wünschenswerte Einsatz elektronisch gesteuerter Motoren (Plug & Play) ausgeschlossen. Außerdem lässt sich im Notfall und bei Stromausfall der Motor nur sehr langsam und mit stetigem Kraftaufwand mit der Kurbel nach oben drehen. Bei Rollläden mit Außenrevision sind solche Lösungen nicht oder nur schwierig einsetzbar.This problem can be avoided by using mechanical motors with an emergency hand crank. However, this eliminates the desirable use of electronically controlled motors (Plug & Play). In addition, can be in an emergency and power failure, the engine only very slowly and with steady Turn up force with the crank. In roller shutters with external revision such solutions are not or only difficult to use.
Weiterhin sind Elektromotoren mit Akkupufferung bekannt. Diese müssen jedoch aufwendigen Wartungs- und Inspektionsprüfungen mindestens einmal pro Jahr unterzogen werden, was mit hohen Folgekosten verbunden ist. Die verwendeten Akkus weisen in der Regel eine beschränke Kraft auf, so dass nur eine relativ langsame Öffnung möglich ist. Außerdem sind solche Akkus teuer und weisen noch Probleme mit der Haltbarkeit auf. Schließlich ist die Entsorgung der Akkus mit Umweltbelastungen behaftet.Furthermore, electric motors with battery backup are known. However, these must be subjected to costly maintenance and inspection checks at least once a year, which is associated with high follow-up costs. The batteries used usually have a limited power, so that only a relatively slow opening is possible. In addition, such batteries are expensive and still have durability issues. Finally, the disposal of the battery is contaminated with environmental impact.
Aus der
Diese Vorrichtung weist den Nachteil auf, dass im Notfall der relativ schwere und unter umständen unter Zug stehende Rohrmotor durch die Spannfeder axial verschoben werden muss, was entweder hohe Kräfte erfordert oder anderenfalls die Gefahr eines Verkantens birgt, so dass die Notfall-Aufwicklung im Notfall ausfallen könnte. Außerdem kann diese Notfall-Aufwickung nicht mit herkömmlichen Vorrichtungen kombiniert werden, sondern herkömmliche Wickel-Abdeckung-Vorrichtungen müssen an die Notfall-Aufwicklung konstruktiv angepasst werden.This device has the disadvantage that in an emergency, the relatively heavy and under circumstances standing under train tubular motor must be moved axially by the tension spring, which either high forces required or otherwise there is a risk of jamming, so that the emergency winding could fail in an emergency. In addition, this emergency winding can not be combined with conventional devices, but conventional winding cover devices must be constructively adapted to emergency winding.
Aus der gattungsgemäßen
Diese Vorrichtung weist den Nachteil auf, dass die Welle im Normalbetrieb ständig unter Federspannung steht. Außerdem ist eine Ausstattung handelsüblicher, motorunterstützter Systeme mit einer solchen Notfall-Aufwicklung aufwändig, da die Elemente der Notfall-Aufwicklung an gegenüberliegenden Enden des Systems angeordnet sind und daher eine komplette Umgestaltung der Systeme notwendig ist. Schließlich ist der Einsatz geeigneter Federelemente durch die Anordnung innerhalb der Welle sehr eingeschränkt.This device has the disadvantage that the shaft is constantly under spring tension under normal operation. In addition, equipping commercial, motor-assisted systems with such emergency rewinding is cumbersome because the elements of the emergency rewind are located at opposite ends of the system and therefore a complete redesign of the systems is necessary. Finally, that is Use of suitable spring elements by the arrangement within the shaft very limited.
Aufgabe der Erfindung ist es daher, eine Abwickel-Vorrichtung mit Notfall-Aufwicklung zu schaffen, die einfach aufgebaut ist, im Notfall zuverlässig funktioniert und eine kompakte Einheit bildet.The object of the invention is therefore to provide an unwinding device with emergency winding, which is simple in construction, works reliably in an emergency and forms a compact unit.
Diese Aufgabe wird gelöst durch eine Abwickel-Vorrichtung mit Notfall-Aufwicklung mit den Merkmalen des Patentanspruchs 1. Vorteilhafte Ausführungen sind Gegenstand weiterer Ansprüche.This object is achieved by an unwinding device with emergency winding with the features of
Die erfindungsgemäße Abwickel-Vorrichtung mit Notfall-Aufwicklung, insbesondere für Blend- bzw. Sonnenschutzsysteme, Rollläden oder Rolltore, umfasst eine Welle zum Auf- bzw. Abwickeln eines flexiblen Flächenelementes, die an einem Ende einen Lagerzapfen zur ortsfesten, drehbaren Lagerung und am gegenüberliegenden Ende einen elektrisch revisierbaren Rohrmotor aufweist, wobei dieser Rohrotor einerseits einen Motorzapfen zur ortsfesten Lagerung und anderseits ein mit der Welle drehfest verbundenes Abtriebsteil aufweist, wobei die Notfall-Aufwicklung eine Entriegelungsvorrichtung und eine mechanische Antriebsvorrichtung aufweist, und wobei die Entriegelungsvorrichtung nach einer Betätigung im Notfall ein mechanisches oder federbelastetes Aufwickeln ermöglicht. Die Entriegelungsvorrichtung ist derart ausgebildet, dass diese im Normalbetrieb eine Drehbewegung des Motorzapfens verhindert und nach einer Notfallbetätigung eine Drehbewegung des Motorzapfens freigibt.The unwinding device according to the invention with emergency winding, in particular for glare and sun protection systems, shutters or roller shutters, comprises a shaft for winding or unwinding of a flexible surface element having at one end a bearing pin for stationary, rotatable mounting and at the opposite end having an electrically revisable tubular motor, said tubular motor having on the one hand a motor pin for stationary storage and on the other hand rotatably connected to the shaft output member, wherein the emergency winding comprises an unlocking device and a mechanical drive device, and wherein the unlocking device after an operation in an emergency mechanical or spring-loaded winding allows. The unlocking device is designed such that it prevents a rotational movement of the motor pin in normal operation and releases a rotational movement of the motor pin after an emergency operation.
Um eine platzsparende und einfach aufgebaute Vorrichtung zu schaffen, ist erfindungsgemäß die mechanische Antriebsvorrichtung als koaxial um den Motorzapfen gewickelte Triebfeder ausgebildet und benachbart zur Entriegelungsvorrichtung am Motorzapfen angeordnet, wobei die Triebfeder am äußeren Ende ortsfest angeordnet ist und am inneren Ende ein Drehmoment auf den Motorzapfen in Aufwickelrichtung ausübt.In order to create a space-saving and simply constructed device, according to the invention, the mechanical drive device is coaxially wound around the motor pin Driving spring formed and arranged adjacent to the unlocking device on the motor pin, wherein the mainspring is arranged stationary at the outer end and at the inner end exerts a torque on the motor pin in the winding.
Die mechanische Antriebsvorrichtung kann alternativ als Gurtroller oder Kurbeltrieb ausgebildet sein, so dass bewährte Technik eingesetzt werden kann.The mechanical drive device may alternatively be designed as Gurtroller or crank mechanism, so that proven technology can be used.
Um eine möglichst zuverlässige Funktion der Notfall-Aufwicklung zu gewährleisten, kann die Entriegelungsvorrichtung als quer zur Drehrichtung der Welle angeordnetes Arretierungsteil ausgeführt sein, wobei der Motorzapfen im Bereich der Entriegelungsvorrichtung einen von der Kreisform abweichenden Profilquerschnitt aufweist, und wobei das Arretierungsteil eine von oben offene, zum Profilquerschnitt korrespondierende Aufnahme für den Motorzapfen aufweist. Weiterhin kann das Arretierungsteil in vertikaler Richtung durch elastische oder leicht lösbare Sicherungselemente in einer Verriegelungsposition gehalten sein. Da das Arretierungsteil im Wesentlichen beim Auf- und Abwickeln die auftretenden Drehmomente abstützen muss, die Lagerstellen jedoch die Gewichtskraft aufnehmen, muss zum Entriegeln der Notfall-Aufwicklung lediglich eine geringe Kraft aufgewendet werden.In order to ensure the most reliable function of the emergency rewind, the unlocking device can be designed as arranged transversely to the direction of rotation of the shaft locking part, wherein the motor pin in the unlocking device has a deviating from the circular profile cross-section, and wherein the locking part open from above, For receiving the motor cross-section corresponding to the profile cross section. Furthermore, the locking part can be held in the vertical direction by elastic or easily releasable securing elements in a locking position. Since the locking part must essentially support the occurring torques during winding and unwinding, but the bearing points absorb the weight force, only a small force has to be expended for unlocking the emergency winding.
Durch den Einsatz eines Schleifringes zur elektrischen Kontaktierung des Rohrmotors kann verhindert werden, dass sich während einer Notfall-Aufwicklung die elektrische Anschlussleitung verdrillt und dadurch beschädigt wird oder die Funktion unter Umständen behindert.Through the use of a slip ring for making electrical contact with the tube motor, it is possible to prevent the electrical connection line from twisting during an emergency winding and thus from being damaged or possibly hindering the function.
Um im Notfall eine Notfall-Aufwicklung sowohl durch die Bewohner des Gebäudes als auch durch Rettungskräfte außerhalb des Gebäudes zu ermöglichen, kann die Entriegelungsvorrichtung von innen und außen betätigbar ausgeführt werden.In an emergency, an emergency winder both by the occupants of the building as well as by rescue workers outside allow the building, the unlocking device can be made operable from the inside and outside.
Üblicherweise werden solche Abwickel-Vorrichtungen in einem Mauerkasten angeordnet. In diesem Fall kann die Notfall-Aufwicklung innerhalb des Mauerkastens angeordnet werden, was keinen zusätzlichen Bauraum benötigt. Falls der vorhandene Bauraum im Mauerkasten jedoch nicht ausreicht, kann die Notfall-Aufwicklung auch außerhalb des Mauerkastens angeordnet werden.Typically, such unwinding devices are placed in a wallbox. In this case, the emergency winding can be arranged within the wall box, which does not require additional space. However, if the available space in the wall box is not sufficient, the emergency winding can be arranged outside the wall box.
Die erfindungsgemäße Vorrichtung bietet insgesamt den Vorteil, dass im Notfall eine blitzschnelle Aufwickelung möglich ist, selbst bei einem Stromausfall. Sie ist außerdem für alle elektrisch betriebenen Blend- und Sonnenschutzsysteme und elektrischen Rolltore geeignet, ohne dass hierzu die ursprüngliche Konstruktion wesentlich verändert werden muss. Weiterhin ist die Bedienung mit geringem Kraftaufwand möglich. Da es sich um eine mechanische Lösung handelt, ist nur mit geringen Wartungskosten zu rechnen.The device according to the invention offers the overall advantage that in an emergency lightning fast winding is possible, even in the event of a power failure. It is also suitable for all electrically operated glare and sun protection systems and electric roller doors, without the original structure must be significantly changed. Furthermore, the operation is possible with little effort. Since it is a mechanical solution, only low maintenance costs can be expected.
Weitere vorteilhafte Einzelheiten von Ausführungsformen der Erfindung ergeben sich aus den Unteransprüchen, der Zeichnung, sowie der zugehörigen Beschreibung. Die Erfindung wird nachstehend beispielhaft anhand einer Zeichnung näher beschrieben, wobei die Prinzipdarstellungen zeigen:
- Fig. 1
- ein erstes Ausführungsbeispiel einer erfindungsgemäßen Abwickel-Vorrichtung mit Notfall-Aufwicklung in einem vertikalen Schnitt (innenliegend),
- Fig. 2
- eine Ansicht gemäß Pfeil II in
Fig. 1 auf eine Entriegelungsvorrichtung, und - Fig. 3
- ein zweites Ausführungsbeispiel einer erfindungsgemäßen Abwickel-Vorrichtung mit Notfall-Aufwicklung in einem vertikalen Schnitt (außenliegend).
- Fig. 1
- A first embodiment of an unwinding device according to the invention with emergency winding in a vertical section (inside),
- Fig. 2
- a view according to arrow II in
Fig. 1 on an unlocking device, and - Fig. 3
- A second embodiment of an unwinding device according to the invention with emergency winding in a vertical section (outboard).
In
Die Welle 4 ist an einem Ende - im Ausführungsbeispiel rechts - hohl ausgeführt und nimmt darin einen elektrisch reversierbaren Rohrmotor 5 auf. Das heißt, die Drehrichtung des Rohrmotors kann zum Abwickeln bzw. Aufwickeln des Flächenelements elektrisch angesteuert umgekehrt werden. Im stromlosen Zustand werden Rotor und Stator mit Hilfe einer Motorbremse drehfest verblockt. Der in einer Prinzipdarstellung gezeigte Rohrmotor 5 weist einen als Motorzapfen 6 ausgeführten Stator, sowie einen relativ zum Stator, als Abtriebsteil 7 ausgeführten Rotor auf, der drehfest mit der Welle 4 verbunden ist. An dem dem Rohrmotor 5 gegenüberliegenden Ende ist an der Welle 4 außerdem ein Lagerzapfen 8 angeordnet. Der Lagerzapfen 8 und der Motorzapfen 6 sind koaxial angeordnet und an zwei am Mauerkasten 3 auf gegenüberliegenden Seiten angeordneten Lagerstellen 9a, 9b vertikal abgestützt und drehbar gelagert.The
Außerhalb, an der dem Motorzapfen 6 zugewandten Seite des Mauerkastens 3 ist weiterhin die insgesamt mit 2 gekennzeichnete Notfall-Aufwicklung angeordnet. Diese weist eine Entriegelungsvorrichtung 10 und eine mechanische Antriebsvorrichtung 11 auf und umfasst den Motorzapfen 6 koaxial. Im dargestellten Ausführungsbeispiel ist die mechanische Antriebsvorrichtung 11 und die Entriegelungsvorrichtung 10 benachbart im Mauerkasten 3 angeordnet, wobei diese Reihenfolge auch vertauscht oder außenliegend (
Dargestellt ist die mechanische Antriebsvorrichtung 11 als Triebfeder 12, die koaxial um den Motorzapfen 6 aufgewickelt ist. Am inneren Ende ist die Triebfeder 12 mit dem Motorzapfen verbunden, während das äußere Ende der Triebfeder 12 ortsfest, beispielsweise am Gehäuse 13 der Notfall-Aufwicklung angeordnet ist. Die Triebfeder 12 übt im aufgewickelten Zustand ein Drehmoment in Aufwickelrichtung auf den Motorzapfen 6 aus.Shown is the
Die Entriegelungsvorrichtung 10, die in
Im Ruhezustand, das heißt bei nicht aktiven Rohrmotor 5, wirkt auf den Motorzapfen 6 kein Drehmoment, sondern lediglich die Gewichtskraft der Aufwickel-Vorrichtung 1 sowie des nicht dargestellten Flächenelementes. Diese Gewichtskraft wird jedoch durch die Lagerstellen 9a, 9b (in
Alternativ können die Sicherungselemente 17 auch als Aufhängung oder Abstützung ausgeführt sein. Im Fall der Aufhängung werden die Federelemente 17a, 17b durch Drähte, Schnüre, Kunststoffelemente oder dergleichen ersetzt, wobei die Reißfestigkeit oder die Belastbarkeit der Befestigung entsprechend den oben beschriebenen Anforderungen ausgelegt werden. Im Fall der Abstützung werden die Federelemente 17a, 17b durch Falze, Nasen oder dergleichen ersetzt, die im Notfall überdrückt werden.Alternatively, the securing
Wird die Notfall-Aufwicklung 2 mit Hilfe der Notfallbetätigung 19 entriegelt, so entfällt die drehfeste Lagerung des Motorzapfens 6 des Rohrmotors 5. Daher kann das von der Triebfeder 12 ausgeübte Drehmoment den Motorzapfen 6 und damit den Rohrmotor 5 mitsamt der Welle 4 in Aufwickelrichtung drehen. Die Triebfeder 12 wird vorzugsweise so ausgelegt, dass das Drehmoment ausreicht, das Flächenelement innerhalb weniger Sekunden vollständig aufzurollen. Zur Ansteuerung des Rohrmotors 5 ist eine elektrische Kontaktierung 20 vorgesehen. Vorzugsweise wird hierbei ein nicht dargestellter Schleifring eingesetzt, um während einer Notfall-Aufwicklung ein Verdrillen der elektrischen Leitung zu verhindern und ein einfaches Instandsetzen der Triebfeder 12 nach der Betätigung im Notfall zu gewährleisten. Alternativ zur dargestellten Triebfeder 12 kann die Notfall-Aufwicklung auch als herkömmlicher Gurtroller oder Kurbeltrieb ausgeführt werden.If the emergency winding 2 unlocked by means of the
Die Notfallbetätigung 19 kann im einfachsten Fall als Kordel oder Gurt ausgeführt sein. Durch Ziehen an der Kordel oder an dem Gurt wird das Arretierungsteil 14 entgegen den Sicherungselementen 17 durch den Schlitz 18 im Gehäuse 13 nach unten gezogen und dadurch die Notfall-Aufwicklung entriegelt, so dass das Flächenelement mit Hilfe der Triebfeder 12 in kurzer Zeit automatisch vollständig aufgewickelt wird. Im Beispielsfall eines Rollladens kann somit im Brandfall, bei dem unter Umständen die Stromversorgung ausfällt, dieser einfach, schnell und ohne großen Kraftaufwand vollständig geöffnet werden und somit einen Fluchtweg freigeben. Vorzugsweise wird dabei die Notfallbetätigung 19 innerhalb des Gebäudes angeordnet und eventuell entsprechend markiert und/oder gesichert. Somit können Personen im Gebäude die Notfallbetätigung 19 auslösen. Zusätzlich kann aber auch eine weitere Notfallbetätigung 19 in den Außenbereich des Gebäudes verlegt werden, so dass auch eine Notfallbetätigung durch die Feuerwehr oder andere Rettungskräfte ausgelöst werden kann.The
Ein weiteres Ausführungsbeispiel einer Abwickel-Vorrichtung 1 mit Notfall-Aufwicklung 2 ist in
Claims (8)
- Unwinding device (1) with an emergency wind-up (2), in particular for glare and sun protection systems, roller blinds or roller shutters, with a shaft (4) for winding up and unwinding a flexible two-dimensional element, which shaft has a bearing journal (8) at one end for stationary, rotary support and an electrically reversible tube motor (5) at the opposite end, which motor has a motor journal (6) on the one hand for stationary support and a driven part (7) connected fixedly to the shaft (4) on the other hand,- wherein the emergency wind-up (2) has an unlocking device (10) and a mechanical drive device (11), and- wherein the unlocking device (10) prevents a rotary movement of the motor journal (6) in normal operation and following an actuation in an emergency releases a rotary movement of the motor journal (6) and facilitates a mechanical or springloaded winding-up by this,characterised by that
the mechanical drive device (11) is formed as a mainspring (12) wound coaxially around the motor journal (6) and is arranged adjacent to the unlocking device (10) on the motor journal (6), wherein the mainspring (12) is arranged fixedly at the outer end and at the inner end exerts a torque on the motor journal (6) in a winding-up direction. - Device according to claim 1,
characterised by that
the mechanical drive device (11) is formed as a belt reel or crank drive. - Device according to one of claims 1 or 2,
characterised by that
the unlocking device (10) is executed as a vertically arranged locking part (14) transverse to the rotary axis of the shaft (4), that the motor journal (6) has a profile cross section (16) diverging from the circular form in the region of the unlocking device (10), and that the locking part (14) has a freewheel cross section (15) for the motor journal (6) that corresponds to the profile cross section (16) and is open from above in the installed state. - Device according to claim 3,
characterised by that
the locking part (14) is held in a locking position in a vertical direction by elastic or easily detachable securing elements (17). - Device according to one of claims 1 to 4,
characterised by that
a slip ring is provided for electrical contacting (20) of the tube motor (5). - Device according to one of claims 1 to 5,
characterised by that
the unlocking device (10) can be operated from inside and outside a building. - Device according to one of claims 1 to 6,
characterised by that
the unwinding device (1) is arranged in a wall box (3), wherein the emergency wind-up (2) is arranged inside the wall box (3). - Device according to one of claims 1 to 6,
characterised by that
the unwinding device (1) is arranged in a wall box (3), wherein the emergency wind-up (2) is arranged outside the wall box (3).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014008854.5A DE102014008854B4 (en) | 2014-06-14 | 2014-06-14 | Emergency rewind for electrically operated glare and sun protection systems |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2960197A1 EP2960197A1 (en) | 2015-12-30 |
EP2960197B1 true EP2960197B1 (en) | 2017-01-25 |
Family
ID=53510549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15001766.3A Not-in-force EP2960197B1 (en) | 2014-06-14 | 2015-06-15 | Emergency winding for electrically operated blind and sun protection systems |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2960197B1 (en) |
DE (1) | DE102014008854B4 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018112577A1 (en) | 2017-06-01 | 2018-12-06 | Gerhard Geiger GmbH & Co. KG | Unwinding device, in particular for sunshade systems, roller shutters and roller shutters, with a return device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019003391A1 (en) | 2019-05-11 | 2019-08-08 | Otto Feyer | Emergency quick opening for the roller shutters and sun protection systems for windows and doors |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8803606U1 (en) * | 1988-02-29 | 1988-06-23 | MFZ Antriebe GmbH, 4427 Legden | Emergency manual gear for roller shutter systems |
FR2744759B1 (en) * | 1996-02-14 | 1998-04-17 | Simu | HANDLING DEVICE FOR ROLLING SHUTTER |
US6302179B1 (en) * | 1998-01-16 | 2001-10-16 | James V. Miller | Modular roll-up partition system with tension adjustment mechanism |
DE19918489C2 (en) | 1999-04-23 | 2003-04-17 | Helmut Hofmann | Wrap cover device with emergency winding |
FR2837865B1 (en) * | 2002-03-28 | 2005-07-29 | Simu | MANUFACTURING MECHANISM AND CLOSURE OR SOLAR PROTECTION INSTALLATION INCORPORATING SUCH A DEVICE |
-
2014
- 2014-06-14 DE DE102014008854.5A patent/DE102014008854B4/en not_active Expired - Fee Related
-
2015
- 2015-06-15 EP EP15001766.3A patent/EP2960197B1/en not_active Not-in-force
Non-Patent Citations (1)
Title |
---|
None * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018112577A1 (en) | 2017-06-01 | 2018-12-06 | Gerhard Geiger GmbH & Co. KG | Unwinding device, in particular for sunshade systems, roller shutters and roller shutters, with a return device |
Also Published As
Publication number | Publication date |
---|---|
EP2960197A1 (en) | 2015-12-30 |
DE102014008854B4 (en) | 2017-06-22 |
DE102014008854A1 (en) | 2015-12-17 |
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