EP2283199B1 - Roller blind having a solar-driven electric motor - Google Patents

Roller blind having a solar-driven electric motor Download PDF

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Publication number
EP2283199B1
EP2283199B1 EP09737974A EP09737974A EP2283199B1 EP 2283199 B1 EP2283199 B1 EP 2283199B1 EP 09737974 A EP09737974 A EP 09737974A EP 09737974 A EP09737974 A EP 09737974A EP 2283199 B1 EP2283199 B1 EP 2283199B1
Authority
EP
European Patent Office
Prior art keywords
blind
strip
length
traction means
electrical conductor
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
Application number
EP09737974A
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German (de)
French (fr)
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EP2283199A1 (en
Inventor
Sascha Dempwolff
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Porschen GmbH and Co KG
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Porschen GmbH and Co KG
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Publication of EP2283199A1 publication Critical patent/EP2283199A1/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • 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
    • E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • 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
    • E06B2009/2476—Solar cells
    • 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
    • E06B9/262—Lamellar or like blinds, e.g. venetian blinds with flexibly-interconnected horizontal or vertical strips; Concertina blinds, i.e. upwardly folding flexible screens
    • E06B2009/2627—Cellular screens, e.g. box or honeycomb-like

Definitions

  • the present invention relates to a roller blind curtain, in particular a Roman shade consisting of a roller blind, a traction means and arranged at one end of the roller blind winding device, wherein the winding device has an electric motor drive, which is connected to a rechargeable battery and the battery via at least one Voltaic solar cell attached to the roller blind is electrically charged, wherein the electrical connection between the battery and the solar cell consists of electrical conductors.
  • a generic roller blind curtain is known from WO02 / 41740 A.
  • the electrical conductors are passed through the folds of the blinds, including perforations must be present in the blind, while the traction means are guided by indicated eyelets and the Faftstellen of the blinds. Due to the perforations but damage to the blind is done.
  • Such blinds curtains are mounted in window openings or openings and serve to cover the window opening.
  • This electromotive operation requires an electrical power connection in the immediate vicinity of the take-up, which, however, the installation costs are substantially increased.
  • a subsequent attachment is possible only in those cases where a power connection is available at the installation site.
  • the present invention is based on the object to enable an independent electrical power supply for electric motor driven roller blinds curtains and to improve the generic roller blind curtain.
  • this is achieved in that on the roller blind at least one Rolloband fixed on one side is present, and the traction means with the roller blind is connected, wherein the Rolloband consists of a fabric band and having at least one electrical conductor, which consists of an electrically conductive yarn and woven into the Rolloband and / or connected to the formed as a fabric band
  • Rolloband traction means comprises an electrical conductor, wherein the traction means consists of a cord of textile material and the electrical conductor consists of electrically conductive Kordelgam.
  • the attachment of the voltaic solar cell takes place at the opposite end of the winding device of the roller blind.
  • the electrical line consists of warp threads woven from electrically conductive yarns in the longitudinal edges of the woven fabric tape.
  • FIG. 1 an inventive roller blind curtain 1 is shown.
  • This is a Roman blind.
  • This Roman shade consists of a roller blind 2, for example made of textile material and / or plastic.
  • a roller blind according to the invention instead of a roman blind.
  • On the roller blind 2 are in the longitudinal direction X parallel to their longitudinal edges 3 extending according to Fig. 1 sewn several, in particular three Rollobs 4 in the illustrated embodiment.
  • These roller blinds 4 are preferably made as in Fig. 2
  • the electrical conductors 6a, 6b preferably consist of two woven, electrically conductive yarns of known type, wherein the conductive yarns form warp threads of the fabric band 5, which are woven into the longitudinal edges 7 of the fabric band 5.
  • the roller blind 4 each have a traction means 8, which is guided by loops 9 or other attached to the fabric band 5 guide means, such as guide eyelets or the like.
  • This traction means 8 is expediently to a drawstring made of textile material.
  • a take-up device 11 is attached, which extends over the entire width B of the blind sheet 2.
  • the winding device 11 is formed in a known Roman blind coil technology and has a hollow shaft 12.
  • the traction means 8 With this hollow shaft 12, the traction means 8 unilaterally connected, so that by a rotational movement of the hollow shaft in one direction, the traction means 8 can be wound on the hollow shaft 12 and located on the hollow shaft coils.
  • the take-up device 11 opposite end of the roller blind, with the traction means 8 are connected, pulled in the direction of the take-up device 11 out.
  • the lower end of the Roman blind In the mounted, hanging state of the Roman blind, the lower end of the Roman blind is thus pulled upwards in the direction of the winding device 11, forming the folds of the roller blind 2.
  • the blind sheet 2 At the opposite end of the reeling device 11 of the blind sheet 2, the lower end, the blind sheet 2 has a saddle-type a conclusion 16, in the expediently a stiffening insert is introduced.
  • an electromotive actuation of the roller blind curtain 1 is provided.
  • an electric motor 13 is advantageously arranged in a known type in the hollow shaft 12 and the rotor of the electric motor 13 is connected to the hollow shaft 12.
  • the electric motor 13 is preferably a low-voltage DC motor and is supplied with a DC voltage of 24 volts, which is generated by a rechargeable battery 14, which is electrically connected to the electric motor 13.
  • the charging of the battery 14 is carried out according to the invention via one or more voltaic solar cells 15, so that a power supply independent of the power supply and installation of the roller blind curtain 1 according to the invention is achieved.
  • the solar cells 15 are expediently fixed on the lower end of the roller blind 2, namely on the side facing outward in the mounted state, so that the solar cells 15 are not covered and the daylight both in the lowered state of the roller blind curtain and are exposed in its raised state.
  • the roller blinds 4, like the solar cells 15, are fastened on the outside of the roller blind 2.
  • a power supply via the Rollob it may also be appropriate according to the invention, with the roller belt.
  • the traction means 8 electrically conductive form by in the traction means 8, an electrical conductor of an example electrically conductive yarn is integrated.
  • the traction means itself can be made, for example, from a cord made of textile material.
  • the traction means on the one hand electrically connected to the one or more solar cells 15, and the other end is an electrical connection with the battery 14.
  • the Fabric tapes 5 of the roller blinds 4 are made of a transparent material.
  • the conductive yarns used to make the electrical conductors 6a, 6b may be, for example, yarns having an outer silver coating.
  • the solar cells 15 are preferably fastened by means of a hook and loop fastener on the lower end of the blind sheet 2, so that an easy assembly and disassembly is possible.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Blinds (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Special Wing (AREA)

Abstract

A window blind, in particular a Roman blind, having a blind panel (2) and at least one blind ribbon (4) fastened to one side of the blind panel (2) and having a traction mechanism (8) connected thereto, and a winding device (11) disposed at one end of the blind panel (2) having an electromotive drive (13) that is connected to a rechargeable battery (14), and the battery (14) is electrically charged by means of at least one photovoltaic solar cell (15). The solar cell is attached to the blind panel (2), wherein the electric connection between the battery (14) and the solar cell (15) is formed by electric conductors (6a, 6b) that are attached to the blind ribbon (4) and/or the traction mechanism (8). The electrical conductors can be integrated into the blind ribbon and/or a cord which is part of the winding device (11).

Description

Die vorliegende Erfindung betrifft einen Rollo-Vorhang, insbesondere ein Raffrollo bestehend aus einer Rollobahn, einem Zugmittel und einer an einem Ende der Rollobahn angeordneten Aufwickelvorrichtung, wobei die Aufwickelvorrichtung einen elektromotorischen Antrieb aufweist, der an eine aufladbare Batterie angeschlossen ist und die Batterie über mindestens eine an der Rollobahn befestigte Voltaik-Solarzelle elektrisch aufgeladen wird, wobei die elektrische Verbindung zwischen der Batterie und der Solarzelle aus elektrischen Leitern besteht.The present invention relates to a roller blind curtain, in particular a Roman shade consisting of a roller blind, a traction means and arranged at one end of the roller blind winding device, wherein the winding device has an electric motor drive, which is connected to a rechargeable battery and the battery via at least one Voltaic solar cell attached to the roller blind is electrically charged, wherein the electrical connection between the battery and the solar cell consists of electrical conductors.

Ein gattungsgemäßer Rollo-Vorhang ist aus der WO02/41740 A bekannt. Bei diesem bekannten Rollo-Vorhang werden die elektrischen Leiter durch die Falten des Rollos hindurchgeführt, wozu Perforationen in der Rollobahn vorhanden sein müssen, während die Zugmittel durch angedeutete Ösen und den Faftstellen des Rollos geführt sind. Durch die Perforationen erfolgt aber eine Beschädigung der Rollobahn.A generic roller blind curtain is known from WO02 / 41740 A. In this known roller blind the electrical conductors are passed through the folds of the blinds, including perforations must be present in the blind, while the traction means are guided by indicated eyelets and the Faftstellen of the blinds. Due to the perforations but damage to the blind is done.

Derartige Rollo-Vorhänge werden in Fensterausschnitte bzw. -öffnungen montiert und dienen zur Abdeckung der Fensteröffnung. Hierbei ist es wünschenswert, eine elektromotorische Betätigung zu ermöglichen. Diese elektromotorische Betätigung erfordert einen elektrischen Netzanschluss in unmittelbarer Nähe der Aufwickelvorrichtung, wodurch aber die Montagekosten wesentlich erhöht werden. Zudem ist ein nachträgliches Anbringen nur in solchen Fällen möglich, bei denen am Montageort ein Netzanschluss zur Verfügung steht.Such blinds curtains are mounted in window openings or openings and serve to cover the window opening. In this case, it is desirable to enable an electromotive actuation. This electromotive operation requires an electrical power connection in the immediate vicinity of the take-up, which, however, the installation costs are substantially increased. In addition, a subsequent attachment is possible only in those cases where a power connection is available at the installation site.

Der vorliegenden Erfindung liegt die Aufgabe zu Grunde, eine vom Stromnetz unabhängige elektrische Spannungsversorgung für elektromotorisch angetriebene Rollo-Vorhänge zu ermöglichen und den gattungsgemäßen Rollo-Vorhang zu verbessern.The present invention is based on the object to enable an independent electrical power supply for electric motor driven roller blinds curtains and to improve the generic roller blind curtain.

Erfindungsgemäß wird dies dadurch erreicht, dass auf der Rollobahn mindestens ein einseitig befestigtes Rolloband vorhanden ist, und das Zugmittel mit dem Rolloband verbunden ist, wobei das Rolloband aus einem Gewebeband besteht und mindestens einen elektrischen Leiter aufweist, der aus einem elektrisch leitfähigen Garn besteht und in das Rolloband eingewebt ist und/oder das mit dem als Gewebeband ausgebildeten Rolloband verbundene Zugmittel einen elektrischen Leiter aufweist, wobei das Zugmittel aus einer Kordel aus textilem Material besteht und der elektrische Leiter aus elektrisch leitfähigem Kordelgam besteht.According to the invention this is achieved in that on the roller blind at least one Rolloband fixed on one side is present, and the traction means with the roller blind is connected, wherein the Rolloband consists of a fabric band and having at least one electrical conductor, which consists of an electrically conductive yarn and woven into the Rolloband and / or connected to the formed as a fabric band Rolloband traction means comprises an electrical conductor, wherein the traction means consists of a cord of textile material and the electrical conductor consists of electrically conductive Kordelgam.

Zweckmäßigerweise erfolgt die Befestigung der Voltaik-Solarzelle an dem der Aufwickelvorrichtung gegenüberliegenden Ende der Rollobahn. Hierbei ist es insbesondere vorteilhaft, wenn die elektrische Leitung aus in den Längskanten des Gewebebandes eingewebten Kettfäden aus elektrisch leitfähigem Garnen besteht.Conveniently, the attachment of the voltaic solar cell takes place at the opposite end of the winding device of the roller blind. In this case, it is particularly advantageous if the electrical line consists of warp threads woven from electrically conductive yarns in the longitudinal edges of the woven fabric tape.

Weitere vorteilhafte Ausführungen sind in den Unteransprüchen enthalten. Anhand des in den beiliegenden Zeichnungen dargestellten Ausführungsbeispiels wird die Erfindung näher erläutert. Es zeigen:

Fig. 1
eine Ansicht auf ein erfindungsgemäßes Raffrollo,
Fig. 2
eine Ansicht eines erfindungsgemäß verwendeten Rollobandes.
Further advantageous embodiments are contained in the subclaims. Reference to the embodiment shown in the accompanying drawings, the invention is explained in detail. Show it:
Fig. 1
a view of a Roman blind according to the invention,
Fig. 2
a view of a Rollobandes used in the invention.

In Fig. 1 ist ein erfindungsgemäßer Rollo-Vorhang 1 dargestellt. Hierbei handelt es sich um ein Raffrollo. Dieses Raffrollo besteht aus einer Rollobahn 2, beispielsweise aus textilem Material und/oder Kunststoff. Es liegt jedoch ebenfalls im Rahmen der Erfindung, an Stelle eines Raffrollos ein Rollrollo erfindungsgemäß auszugestalten. Auf der Rollobahn 2 sind in deren Längsrichtung X parallel zu ihren Längskanten 3 verlaufend gemäß Fig. 1 im dargestellten Ausführungsbeispiel mehrere, insbesondere drei Rollobänder 4 aufgenäht. Diese Rollobänder 4 bestehen vorzugsweise, wie in Fig. 2 dargestellt, aus einem Gewebeband 5. Mindestens eines der Rollobänder 4, vorzugsweise alle aufgenähten Rollobänder 4 weisen einen oder zwei elektrische Leiter 6a, 6b auf. In Fig. 2 ist dargestellt, dass die elektrischen Leiter 6a, 6b vorzugsweise aus zwei eingewebten, elektrisch leitfähigen Garnen bekannter Art bestehen, wobei die leitfähigen Garne Kettfäden des Gewebebandes 5 bilden, die in den Längskanten 7 des Gewebebandes 5 eingewebt sind. Weiterhin weisen die Rollobänder 4 jeweils ein Zugmittel 8 auf, das durch Schlaufen 9 oder anderen am Gewebeband 5 befestigten Führungsmitteln, beispielsweise Führungsösen oder dergleichen geführt ist. Bei diesem Zugmittel 8 handelt es sich zweckmäßigerweise um eine Zugkordel aus textilem Material. An einem Ende der Rollobahn 2 ist eine Aufwickelvorrichtung 11 befestigt, die sich über die gesamte Breite B der Rollobahn 2 erstreckt. Die Aufwickelvorrichtung 11 ist in bekannter Raffrollo-Spulentechnik ausgebildet und weist eine Hohlwelle 12 auf. Mit dieser Hohlwelle 12 sind die Zugmittel 8 einendig verbunden, so dass durch eine Drehbewegung der Hohlwelle in eine Richtung die Zugmittel 8 auf der Hohlwelle 12 bzw. auf auf der Hohlwelle befindlichen Spulen aufgewickelt werden können. Hierbei wird das der Aufwickelvorrichtung 11 gegenüberliegende Ende der Rollobahn, mit dem die Zugmittel 8 verbunden sind, in Richtung auf die Aufwickelvorrichtung 11 hin gezogen. Im montierten, hängenden Zustand des Raffrollos wird somit das untere Ende des Raffrollos unter Faltenbildung der Rollobahn 2 nach oben in Richtung auf die Aufwickelvorrichtung 11 gezogen. An dem der Aufwickelvorrichtung 11 gegenüberliegenden Ende der Rollobahn 2, dem unteren Ende, besitzt die Rollobahn 2 schabrackenartig einen Abschluss 16, in den zweckmäßigerweise eine Versteifungseinlage eingebracht ist. Durch eine Drehbewegung der Hohlwelle 12 in die entgegengesetzte Richtung zu der Aufwickelrichtung kann/können sich das/die Zugmittel 8 abwickeln und die Rollobahn 2 nach unten bewegen. Die hierfür erforderliche Kraft wird durch das Eigengewicht der Rollobahn 2 erzeugt, weshalb es vorteilhaft ist, durch die Versteifungseinlage das Gewicht der Rollobahn 2 insbesondere am unteren Ende zu erhöhen, wodurch eine gleichmäßige Krafteinwirkung gewährleistet ist.In Fig. 1 an inventive roller blind curtain 1 is shown. This is a Roman blind. This Roman shade consists of a roller blind 2, for example made of textile material and / or plastic. However, it is also within the scope of the invention to design a roller blind according to the invention instead of a roman blind. On the roller blind 2 are in the longitudinal direction X parallel to their longitudinal edges 3 extending according to Fig. 1 sewn several, in particular three Rollobänder 4 in the illustrated embodiment. These roller blinds 4 are preferably made as in Fig. 2 At least one of the roller blinds 4, preferably all sewn-on roller blinds 4, have one or two electrical conductors 6a, 6b. In Fig. 2 It is shown that the electrical conductors 6a, 6b preferably consist of two woven, electrically conductive yarns of known type, wherein the conductive yarns form warp threads of the fabric band 5, which are woven into the longitudinal edges 7 of the fabric band 5. Furthermore, the roller blind 4 each have a traction means 8, which is guided by loops 9 or other attached to the fabric band 5 guide means, such as guide eyelets or the like. This traction means 8 is expediently to a drawstring made of textile material. At one end of the blind sheet 2, a take-up device 11 is attached, which extends over the entire width B of the blind sheet 2. The winding device 11 is formed in a known Roman blind coil technology and has a hollow shaft 12. With this hollow shaft 12, the traction means 8 unilaterally connected, so that by a rotational movement of the hollow shaft in one direction, the traction means 8 can be wound on the hollow shaft 12 and located on the hollow shaft coils. Here, the take-up device 11 opposite end of the roller blind, with the traction means 8 are connected, pulled in the direction of the take-up device 11 out. In the mounted, hanging state of the Roman blind, the lower end of the Roman blind is thus pulled upwards in the direction of the winding device 11, forming the folds of the roller blind 2. At the opposite end of the reeling device 11 of the blind sheet 2, the lower end, the blind sheet 2 has a saddle-type a conclusion 16, in the expediently a stiffening insert is introduced. By a rotational movement of the hollow shaft 12 in the opposite direction to the winding can / can the draw means 8 unwind and move the blind sheet 2 down. The force required for this purpose is generated by the weight of the blind sheet 2, which is why it is advantageous to increase the weight of the blind sheet 2, in particular at the lower end by the stiffening insert, whereby a uniform force is ensured.

Erfindungsgemäß ist eine elektromotorische Betätigung des Rollo-Vorhangs 1 vorgesehen. Hierzu ist vorteilhafterweise in der Hohlwelle 12 ein Elektromotor 13 in bekannter Bauart angeordnet und der Rotor des Elektromotors 13 ist mit der Hohlwelle 12 verbunden. Der Elektromotor 13 ist vorzugsweise ein Niederspannungs-Gleichstrommotor und wird mit einer Gleichspannung von 24 Volt versorgt, die von einer wieder aufladbaren Batterie 14 erzeugt wird, welche mit dem Elektromotor 13 elektrisch verbunden ist. Die Aufladung der Batterie 14 erfolgt erfindungsgemäß über eine oder mehrere Voltaik-Solarzellen 15, so dass eine vom Stromnetz unabhängige Spannungsversorgung und Montage des erfindungsgemäßen Rollo-Vorhangs 1 erreicht wird. Die Solarzellen 15 werden erfindungsgemäß zweckmäßigerweise auf dem unteren Ende der Rollobahn 2, und zwar auf der Seite, die im montierten Zustand nach außen zeigt, befestigt, so dass die Solarzellen 15 nicht abgedeckt und dem Tageslicht sowohl im heruntergelassenen Zustand des Rollo-Vorhangs als auch in seinem hochgezogenen Zustand ausgesetzt sind. Die elektrische Verbindung der vorzugsweise in Reihe geschalteten Solarzelle 15 mit der Batterie 14 erfolgt über die in den Rollobändern 4 enthaltenen elektrischen Leiter 6a, 6b. Hierzu ist es zweckmäßig, wenn auch die Rollobänder 4 wie die Solarzellen 15 auf der Außenseite der Rollobahn 2 befestigt sind. An Stelle einer Stromversorgung über die Rollobänder 4 kann es erfindungsgemäß auch zweckmäßig sein, das mit dem Rollband 4 verbundene Zugmittel 8 elektrisch leitend auszubilden, indem in dem Zugmittel 8 ein elektrischer Leiter aus einem beispielsweise elektrisch leitenden Garn integriert ist. Das Zugmittel selbst kann beispielsweise aus einer Kordel aus textilem Material hergestellt sein. In diesem Fall sind die Zugmittel endseitig einerseits mit der bzw. den Solarzellen 15 elektrisch verbunden, und anderendig besteht eine elektrische Verbindung mit der Batterie 14. Um einen möglichst guten optischen Eindruck des erfindungsgemäßen Rollo-Vorhangs 1 zu erreichen, ist es zweckmäßig, wenn die Gewebebänder 5 der Rollobänder 4 aus einem transparenten Material hergestellt sind. Die zur Herstellung der elektrischen Leiter 6a, 6b verwendeten leitfähigen Garne können beispielsweise Garne mit einer äußeren Silberbeschichtung sein. Die Solarzellen 15 werden vorzugsweise mittels eines Klettverschlusses auf dem unteren Ende der Rollobahn 2 befestigt, so dass eine leichte Montage und Demontage möglich ist.According to the invention, an electromotive actuation of the roller blind curtain 1 is provided. For this purpose, an electric motor 13 is advantageously arranged in a known type in the hollow shaft 12 and the rotor of the electric motor 13 is connected to the hollow shaft 12. The electric motor 13 is preferably a low-voltage DC motor and is supplied with a DC voltage of 24 volts, which is generated by a rechargeable battery 14, which is electrically connected to the electric motor 13. The charging of the battery 14 is carried out according to the invention via one or more voltaic solar cells 15, so that a power supply independent of the power supply and installation of the roller blind curtain 1 according to the invention is achieved. According to the invention, the solar cells 15 are expediently fixed on the lower end of the roller blind 2, namely on the side facing outward in the mounted state, so that the solar cells 15 are not covered and the daylight both in the lowered state of the roller blind curtain and are exposed in its raised state. The electrical connection of the preferably series-connected solar cell 15 with the battery 14 via the contained in the blind bands 4 electrical conductors 6a, 6b. For this purpose, it is expedient if the roller blinds 4, like the solar cells 15, are fastened on the outside of the roller blind 2. Instead of a power supply via the Rollobänder 4, it may also be appropriate according to the invention, with the roller belt. 4 connected traction means 8 electrically conductive form by in the traction means 8, an electrical conductor of an example electrically conductive yarn is integrated. The traction means itself can be made, for example, from a cord made of textile material. In this case, the traction means on the one hand electrically connected to the one or more solar cells 15, and the other end is an electrical connection with the battery 14. In order to achieve the best possible visual impression of the roller blind curtain 1 according to the invention, it is expedient if the Fabric tapes 5 of the roller blinds 4 are made of a transparent material. The conductive yarns used to make the electrical conductors 6a, 6b may be, for example, yarns having an outer silver coating. The solar cells 15 are preferably fastened by means of a hook and loop fastener on the lower end of the blind sheet 2, so that an easy assembly and disassembly is possible.

Claims (14)

  1. A blind, in particular a roman blind, consisting of a blind length (2), a traction means (8) and a winding-up device (11) arranged at one end of the blind length (2), wherein the winding-up device (11) has an electromotive drive (13) connected to a rechargeable battery (14) and the battery (14) is charged electrically via at least one voltaic solar cell (15) secured to the blind length (2), wherein the electrical connection between the battery (14) and the solar cell (15) is composed of electrical conductors (6a, 6b), characterised in that at least one blind strip (4), secured on one side, is present on the blind length (2) and the traction means (8) is connected to the blind strip (4), wherein the blind strip (4) is composed of a fabric strip (5) and has at least one electrical conductor (6a, 6b) which is composed of an electrically conductive yarn and which is woven into the blind strip (4) and/or the traction means (8) connected to the blind strip (4) in the forum of a fabric strip has an electrical conductor (6b), wherein the traction means (8) is composed of a cord of a textile material and the electrical conductor is composed of electrically conductive cord yarn.
  2. A blind according to claims 1, characterised in that at the end of the blind length (2) opposite the winding-up device (11) there is a pelmet-like border (10) which is in particular stiffened by an insert and the voltaic solar cell (15) is secured on the border (10).
  3. A blind according to claim 1 or 2, characterised in that the solar cell (15) is detachably secured to the blind length (2) by means of a hook and loop fastener.
  4. A blind according to any one of claims 1 to 3, characterised in that the blind length (2) is composed of a textile material and/or a plastics material.
  5. A blind according to any one of claims 1 to 4, characterised in that a plurality of solar cells (15) connected in series are present.
  6. A blind according to any one of claims 1 to 5, characterised in that the winding-up device (11) has a hollow shaft (12) in which there is arranged an electric drive motor (13).
  7. A blind according to any one of claims 1 to 6, characterised in that the rechargeable battery (14) is arranged within the hollow shaft (12).
  8. A blind according to any one of claims 1 to 7, characterised in that the blind strip (4) is composed of a textile material.
  9. A blind according to any one of claims 1 to 8, characterised in that the blind strip (4) and the solar cells (15) are arranged on the outwards-directed side in the installed state of the blind (1).
  10. A blind strip for use with a blind according to any one of claims 1 to 9, characterised in that the blind strip (4) is composed of a fabric strip (5) and has at least one electrical conductor (6a, 6b), wherein the electrical conductor (6a, 6b) is composed of an electrically conductive yarn and is woven into the blind strip (4).
  11. A blind strip according to claim 10, characterised in that two electrical conductors (6a, 6b) are present and are in each case woven into the longitudinal edges (7) of the woven band (5) as warp threads.
  12. A blind strip according to claim 10 or 11, characterised in that the fabric strip (5) is composed of a transparent material.
  13. A blind strip according to claim 9, characterised in that the blind strip (8) is composed of a fabric strip (5), wherein the traction means (8) is composed of a cord of a textile material and the electrical conductor is formed from an electrically conductive cord yarn.
  14. A blind length for use with a blind (1) according to claims 1 to 9, characterised by the use of a blind strip (4) according to the features of claims 10, 11 or 12 or of claim 13.
EP09737974A 2008-04-29 2009-04-06 Roller blind having a solar-driven electric motor Not-in-force EP2283199B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202008005928U DE202008005928U1 (en) 2008-04-29 2008-04-29 Roller blind curtain, in particular Roman shade
PCT/EP2009/054073 WO2009132930A1 (en) 2008-04-29 2009-04-06 Roller blind having a solar-driven electric motor

Publications (2)

Publication Number Publication Date
EP2283199A1 EP2283199A1 (en) 2011-02-16
EP2283199B1 true EP2283199B1 (en) 2011-12-07

Family

ID=40940372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09737974A Not-in-force EP2283199B1 (en) 2008-04-29 2009-04-06 Roller blind having a solar-driven electric motor

Country Status (5)

Country Link
US (1) US20110036511A1 (en)
EP (1) EP2283199B1 (en)
AT (1) ATE536459T1 (en)
DE (1) DE202008005928U1 (en)
WO (1) WO2009132930A1 (en)

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US20120168094A1 (en) * 2010-12-30 2012-07-05 Whole Space Industries Ltd Window Covering with Cord Shrouds
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US11603704B2 (en) 2019-05-16 2023-03-14 Imam Abdulrahman Bin Faisal University System and method for controlling solar powered smart windows

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DE20101298U1 (en) * 2001-01-25 2001-04-19 Khuon Wildegg Alexander Von Photovoltaic roller blind
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DE102019124389B4 (en) 2019-09-11 2022-12-29 maasberg gmbh Curtain system and method of operating the curtain system

Also Published As

Publication number Publication date
WO2009132930A1 (en) 2009-11-05
DE202008005928U1 (en) 2009-09-03
EP2283199A1 (en) 2011-02-16
US20110036511A1 (en) 2011-02-17
ATE536459T1 (en) 2011-12-15

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