EP2813753B1 - Lamp - Google Patents

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Publication number
EP2813753B1
EP2813753B1 EP14156458.3A EP14156458A EP2813753B1 EP 2813753 B1 EP2813753 B1 EP 2813753B1 EP 14156458 A EP14156458 A EP 14156458A EP 2813753 B1 EP2813753 B1 EP 2813753B1
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EP
European Patent Office
Prior art keywords
reflector
lamp
support
angle
light
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EP14156458.3A
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German (de)
French (fr)
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EP2813753A1 (en
Inventor
Markus Weindl
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Ruco-Licht GmbH
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Ruco-Licht GmbH
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Publication of EP2813753A1 publication Critical patent/EP2813753A1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14Adjustable mountings
    • F21V21/30Pivoted housings or frames
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/34Supporting elements displaceable along a guiding element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/005Reflectors for light sources with an elongated shape to cooperate with linear light sources
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21WINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40Lighting for industrial, commercial, recreational or military use
    • F21W2131/405Lighting for industrial, commercial, recreational or military use for shop-windows or displays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2103/00Elongate light sources, e.g. fluorescent tubes
    • F21Y2103/10Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Definitions

  • the invention relates to a luminaire according to the preamble of claim 1 and a luminaire arrangement according to the preamble of claim 7.
  • a luminaire which comprises a series of light-emitting diodes, which are attached to a common, designed as a board carrier.
  • the LEDs are each provided with lenses to achieve a good radiation characteristics.
  • two lenses are combined on a lens carrier, which is connected by means of locking elements with the carrier.
  • both the production of these lenses, as well as the assembly is associated with considerable effort and costs.
  • the WO 2011/110217 A1 shows a lamp with a support and a series of light-emitting diodes which are attached to the carrier.
  • An asymmetrical reflector with two opposite reflector regions is arranged on the carrier, wherein a first of the two reflector regions has at least two mutually inclined planar surfaces on one side of the carrier.
  • the row of light emitting diodes is completely enclosed by a housing which consists of a transparent part and a part comprising the reflector and is produced in one piece by coextrusion, and thus protected against environmental influences.
  • a luminaire which has a curved reflector to allow uniform illumination.
  • the reflector is a housing integrated, which has at two opposite ends a hinge, whereby the lamp is pivotable about a longitudinal axis.
  • the EP 2 413 028 A2 shows a lamp assembly with two elongated lights, the lights are each arranged between two suspensions pivotable about a longitudinal axis. At the lamp assembly, a connecting element for mounting the lamp assembly is also provided on a rail.
  • the object of the invention is to provide a cost-effective and easy to manufacture luminaire with light emitting diodes, which allows a simple influence on the radiation pattern, especially vertical surfaces should be illuminated evenly.
  • the luminaire according to the invention is characterized in that a first of the two reflector regions has on one side of the support at least two mutually inclined planar surfaces.
  • This structure of the first reflector region allows optimal influenceability of the radiation characteristic of the luminaire for illuminating vertical walls or shelves and at the same time a simple and cost-effective production by bending or bending.
  • the asymmetric light steering is achieved by an asymmetrical structure of the two opposing reflector areas with respect to the C90 plane running in the longitudinal direction of the luminaire.
  • the reflector and the carrier are integrally formed. This is inventively achieved in that the reflector and the
  • Carrier be formed from a flat metal or plastic sheet by bending.
  • the manufacturing cost of such a construction is extremely low, resulting in low production costs.
  • the first reflector region may also have more than two planar and mutually inclined surfaces.
  • a second reflector region is formed on the other side of the carrier as a flat surface. This allows a sufficient deflection of the light radiation and at the same time a very simple production of this second reflector region.
  • the angle between the first reflector region and the support may be between 90 ° and 150 °, preferably 110 °, and / or between the second reflector region and the support between 90 ° and 160 °, preferably 120 °.
  • the angle between the two mutually inclined surfaces of the first reflector region may be between 1 ° and 60 °, preferably 15 °.
  • the carrier is integrated with the LEDs and the reflector in a housing, on which at two opposite ends a hinge for rotatable mounting with two suspensions is arranged. This makes it possible to turn the lamp as needed, and so set an optimal angle of the light on the object to be illuminated.
  • a luminaire arrangement according to the invention with at least two of the aforementioned lamps is claimed.
  • This is characterized by the fact that the lights between two suspensions are arranged pivotably about a longitudinal axis.
  • the lights can be mounted the other way around in the suspensions, so that both a symmetrical in cross-section, as well as a parallel orientation of the lights is possible.
  • the luminaire arrangement can be made e.g. be used by a arranged in the middle of a corridor light on the one hand for uniform illumination of opposing vertical surfaces or shelves.
  • one of the two lights can be mounted the other way round, so that both lights have a rectified radiation to increase the brightness of the illuminated area.
  • the suspensions are designed as holding plates, which are connected by a substantially U-shaped longitudinal profile are.
  • the U-shaped longitudinal profile provides high rigidity and allows easy placement of equipment such as the power supply for the LEDs.
  • the suspensions may preferably have hinges for rotatable mounting of the lights. This makes it possible to freely rotate the lights relative to the suspensions to achieve the desired orientation of the lights.
  • At least one connecting element for the displaceable fastening of the luminous arrangement in a rail can be arranged on the longitudinal profile.
  • a lamp 1 is shown in cross-section, which consists of a series of light-emitting diodes 2 which are fixed to a common carrier 3.
  • the course of the row of LEDs 2 is perpendicular to the image plane in this representation.
  • a reflector 4 with two opposite reflector regions 5 and 6 is arranged on the support 3.
  • a first reflector region 5 has on one side of the carrier at least two mutually inclined planar surfaces 7 and 8.
  • a second reflector region 6 on the other side of the carrier 3 is formed as a flat surface.
  • the reflector areas 5 and 6 are mirrored on the light emitting diodes 2 facing side or have a high reflectivity, so that the light of the LEDs 2 can be deflected almost lossless.
  • the beam path of the lamp 1 is designed so that the lamp 1 mounted on the ceiling allows a uniform and continuous illumination of substantially vertical walls or shelves.
  • the reflector areas 5 and 6 have an asymmetrical structure.
  • the first reflector leg 5 has an approximately centrally arranged bend 9 between the flat surfaces 7 and 8.
  • the angle ⁇ of the bend 9 is preferably 15 °.
  • the light beams of the light-emitting diodes 2, which are deflected downwards by the first reflector region 5, strike deeper regions of the wall or of the shelf, so that these regions of the object to be illuminated, which are further away from the light 1, are illuminated sufficiently.
  • the second reflector region 6 is formed as a flat surface. This is because the light rays, which are directed downwards anyway, need only be deflected slightly to hit the bottom of the wall or shelf.
  • the angle ⁇ between the first reflector region 5 and the carrier 3 is preferably 110 °. This angle is mainly determined by the vertical and horizontal distance of the lamp 1 from the uppermost part of the wall or shelf to be illuminated.
  • the angle ⁇ between the second reflector region 6 and the carrier 3 is preferably 120 °. This angle depends on the vertical and horizontal spacing of the luminaire 1 from the lowermost part of the wall or shelf to be illuminated.
  • the carrier 3 is integrally formed with the reflector legs 5 and 6 and formed by bending a flat metal or plastic sheet. This allows for a very simple production and on the other hand, a high adaptability of the lamp 1 to different lighting requirements by simply changing the bending angle.
  • the angle ⁇ is achieved that a part of the light rays, which were originally directed towards the upper, the lamp 1 nearer wall parts are deflected downward and thus the loss of light intensity due to the further distance and the larger area in the lower part of the area to be filled.
  • the illustrated lamp 1 results in an unusually uniform Illumination without steps, which is especially important when lighting larger areas such as pictures or goods on store shelves.
  • FIG. 2 a luminaire assembly 10 is shown in cross-section, which has two of the aforementioned lamps 1. These lights 1 are each in a housing 11 of an elongated and in cross-section U-shaped profile body, such as a U-profile made of aluminum or plastic used.
  • the housings 11 are each rotatably mounted at their opposite ends with hinges 12 to suspensions 13.
  • the suspensions 13 are designed as holding plates, which are connected by a substantially U-shaped longitudinal profile 14, within which the electronics for the lights 1 can be arranged.
  • the hinges 12 make it possible to align the lights 1 with the light rays during assembly in a simple manner to the areas to be illuminated.
  • the luminaire arrangement 10 is designed for the illumination of two walls or shelves, which are located at approximately the same distance laterally to the luminaire arrangement 10. In this case, each lamp 1 lit only a wall or a shelf.
  • the luminaire arrangement 10 is designed for the illumination of a shelf or a wall.
  • the left of the two lights 1 connected the other way around with the holding plates 13, so that both lights 1 have the same orientation and have a mutually offset, but parallel beam path.
  • each of the luminaires 1 is as in the embodiment of FIG. 2 rotatably mounted about the pivot joints 12.
  • a connecting element 15 is shown, which is connected to the U-shaped longitudinal profile 13.
  • the connecting element 15 is designed to be connected to a not shown mounted on a ceiling rail, wherein the connecting part 15 is movable in the longitudinal direction of the rail.
  • 15 clip elements 16 may be arranged on the connecting part, which allow a quick and easy installation of the lamp assembly 10 to the rail.
  • FIG. 4 a lamp 1 is shown in a perspective view.
  • the luminaire 1 has an unillustrated blind raster which reduces glare in the C90 plane 17.
  • the blend grids are arranged parallel to the C0 plane 18 on the luminaire 1.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Description

Die Erfindung betrifft eine Leuchte nach dem Oberbegriff des Anspruchs 1 und eine Leuchtenanordnung nach dem Oberbegriff des Anspruchs 7.The invention relates to a luminaire according to the preamble of claim 1 and a luminaire arrangement according to the preamble of claim 7.

Aus der DE 20 2012 003 680 U1 ist eine Leuchte bekannt, die eine Reihe von Leuchtdioden aufweist, welche an einem gemeinsamen, als Platine ausgebildeten Träger, befestigt sind. Die Leuchtdioden sind jeweils mit Linsen versehen, um eine gute Abstrahlcharakteristik zu erreichen. Dabei sind jeweils zwei Linsen auf einer Linsentrageinrichtung zusammengefasst, die mittels Rastelementen mit dem Träger verbunden wird. Sowohl die Herstellung dieser Linsen, als auch die Montage ist jedoch mit erheblichem Aufwand und entsprechenden Kosten verbunden.From the DE 20 2012 003 680 U1 a luminaire is known which comprises a series of light-emitting diodes, which are attached to a common, designed as a board carrier. The LEDs are each provided with lenses to achieve a good radiation characteristics. In each case, two lenses are combined on a lens carrier, which is connected by means of locking elements with the carrier. However, both the production of these lenses, as well as the assembly is associated with considerable effort and costs.

Aus der US 2008/0316760 A1 ist eine gattungsgemäße Leuchte bekannt. Diese weist einen Träger auf, an dem eine Reihe von Leuchtdioden befestigt ist. Zudem ist an dem Träger ein asymmetrischer Reflektor mit zwei gegenüberliegenden Reflektorbereichen angeordnet, wobei die Reflektorbereiche jeweils eben ausgebildet sind und eine gezielte Ausleuchtung mittels einer scharfen Lichtkante mit hoher Lichtintensität ermöglichen. Eine derartige Abstrahlcharakteristik ist beispielsweise bei Scheinwerfern von Kraftfahrzeugen gewünscht, die Lichtverteilung ist dabei jedoch ungleichmäßig.From the US 2008/0316760 A1 is a generic lamp known. This has a support to which a series of light-emitting diodes is attached. In addition, an asymmetrical reflector with two opposing reflector regions is arranged on the support, wherein the reflector regions are respectively planar and allow targeted illumination by means of a sharp edge of light with high light intensity. Such a radiation characteristic is desired, for example, in headlights of motor vehicles, but the light distribution is uneven.

Die WO 2011/110217 A1 zeigt eine Leuchte mit einem Träger und einer Reihe von Leuchtdioden, die an dem Träger befestigt sind. An dem Träger ist ein asymmetrischer Reflektor mit zwei gegenüberliegenden Reflektorbereichen angeordnet, wobei ein erster der beiden Reflektorbereiche auf der einen Seite des Trägers mindestens zwei zueinander geneigte ebene Flächen aufweist. Die Reihe von Leuchtdioden ist dabei von einem Gehäuse vollständig umschlossen, welches aus einem transparenten Teil und einem den Reflektor umfassenden Teil besteht und einstückig durch Coextrusion hergestellt wird, und damit gegenüber Umwelteinflüssen geschützt.The WO 2011/110217 A1 shows a lamp with a support and a series of light-emitting diodes which are attached to the carrier. An asymmetrical reflector with two opposite reflector regions is arranged on the carrier, wherein a first of the two reflector regions has at least two mutually inclined planar surfaces on one side of the carrier. The row of light emitting diodes is completely enclosed by a housing which consists of a transparent part and a part comprising the reflector and is produced in one piece by coextrusion, and thus protected against environmental influences.

Aus der US 5 971 571 A ist eine Leuchte bekannt, die einen gekrümmten Reflektor aufweist, um eine gleichmäßige Beleuchtung zu ermöglichen. Der Reflektor ist ein einem Gehäuse integriert, welches an zwei gegenüberliegenden Enden ein Drehgelenk aufweist, wodurch die Leuchte um eine Längsachse schwenkbar ist.From the US 5,971,571 A a luminaire is known which has a curved reflector to allow uniform illumination. The reflector is a housing integrated, which has at two opposite ends a hinge, whereby the lamp is pivotable about a longitudinal axis.

Die EP 2 413 028 A2 zeigt eine Leuchtenanordnung mit zwei länglichen Leuchten, wobei die Leuchten jeweils zwischen zwei Aufhängungen um eine Längsachse schwenkbar angeordnet sind. An der Leuchtenanordnung ist zudem ein Verbindungselement zur Befestigung der Leuchtenanordnung an einer Schiene vorgesehen.The EP 2 413 028 A2 shows a lamp assembly with two elongated lights, the lights are each arranged between two suspensions pivotable about a longitudinal axis. At the lamp assembly, a connecting element for mounting the lamp assembly is also provided on a rail.

Aufgabe der Erfindung ist es, eine kostengünstig und einfach herstellbare Leuchte mit Leuchtdioden zu schaffen, die eine einfache Beeinflussung der Abstrahlcharakteristik ermöglicht, wobei speziell vertikale Flächen gleichmäßig ausgeleuchtet werden sollen.The object of the invention is to provide a cost-effective and easy to manufacture luminaire with light emitting diodes, which allows a simple influence on the radiation pattern, especially vertical surfaces should be illuminated evenly.

Diese Aufgabe wird durch eine Leuchte mit den Merkmalen des Anspruchs 1 und eine Leuchtenanordnung mit den Merkmalen des Anspruchs 7 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by a luminaire having the features of claim 1 and a luminaire arrangement having the features of claim 7. Advantageous embodiments of the invention are specified in the subclaims.

Die erfindungsgemäße Leuchte zeichnet sich dadurch aus, dass ein erster der beiden Reflektorbereiche auf der einen Seite des Trägers mindestens zwei zueinander geneigte ebene Flächen aufweist. Dieser Aufbau des ersten Reflektorbereichs ermöglicht eine optimale Beeinflussbarkeit der Abstrahlcharakteristik der Leuchte zur Ausleuchtung vertikaler Wände bzw. Regale und zugleich eine einfache und kostengünstige Herstellung durch Abkanten bzw. Krümmen. Die asymmetrische Lichtlenkung wird durch einen asymmetrischen Aufbau der zwei sich gegenüberliegenden Reflektorbereiche im Bezug auf die in Längsrichtung der Leuchte verlaufende C90-Ebene erreicht. Zudem sind der Reflektor und der Träger einstückig ausgebildet. Dies wird erfindungsgemäß dadurch erreicht , dass der Reflektor und derThe luminaire according to the invention is characterized in that a first of the two reflector regions has on one side of the support at least two mutually inclined planar surfaces. This structure of the first reflector region allows optimal influenceability of the radiation characteristic of the luminaire for illuminating vertical walls or shelves and at the same time a simple and cost-effective production by bending or bending. The asymmetric light steering is achieved by an asymmetrical structure of the two opposing reflector areas with respect to the C90 plane running in the longitudinal direction of the luminaire. In addition, the reflector and the carrier are integrally formed. This is inventively achieved in that the reflector and the

Träger aus einem ebenen Metall- oder Kunststoffblech durch Biegen geformt werden. Der Fertigungsaufwand einer solchen Bauweise ist äußerst gering, was niedrige Herstellungskosten zur Folge hat.Carrier be formed from a flat metal or plastic sheet by bending. The manufacturing cost of such a construction is extremely low, resulting in low production costs.

Der erste Reflektorbereich kann jedoch auch mehr als zwei ebene und zueinander geneigte Flächen aufweisen. So ist es auch möglich, durch eine Vielzahl von Biegungen den ersten Reflektorbereich mit einer durchgehenden Krümmung zu versehen.However, the first reflector region may also have more than two planar and mutually inclined surfaces. Thus, it is also possible to provide the first reflector region with a continuous curvature through a plurality of bends.

In einer bevorzugten Ausführungsform ist ein zweiter Reflektorbereich auf der anderen Seite des Trägers als ebene Fläche ausgebildet. Dies ermöglicht eine ausreichende Umlenkung der Lichtstrahlung und zugleich eine sehr einfache Herstellung dieses zweiten Reflektorbereichs.In a preferred embodiment, a second reflector region is formed on the other side of the carrier as a flat surface. This allows a sufficient deflection of the light radiation and at the same time a very simple production of this second reflector region.

In einer zweckmäßigen Ausführungsform kann der Winkel zwischen dem ersten Reflektorbereich und dem Träger zwischen 90° und 150°, vorzugsweise 110°, und/oder zwischen dem zweiten Reflektorbereich und dem Träger zwischen 90° und 160°, vorzugsweise 120°, betragen. Der Winkel zwischen den zwei zueinander geneigten Flächen des ersten Reflektorbereichs kann zwischen 1° und 60°, vorzugsweise 15°, betragen. Diese Winkel ermöglichen für sich alleine oder auch in Kombination eine besonders gleichmäßige Ausleuchtung vertikaler Flächen wie Wänden und im Besonderen von Regalen. Zur Verringerung der Blendung in der C90-Ebene der Leuchte können optional Blendraster parallel zur C0-Ebene der Leuchte angebracht werden.In an expedient embodiment, the angle between the first reflector region and the support may be between 90 ° and 150 °, preferably 110 °, and / or between the second reflector region and the support between 90 ° and 160 °, preferably 120 °. The angle between the two mutually inclined surfaces of the first reflector region may be between 1 ° and 60 °, preferably 15 °. These angles, on their own or in combination, allow a particularly uniform illumination of vertical surfaces such as walls and in particular of shelves. In order to reduce the glare in the C90-level of the luminaire, it is possible to optionally install glare grids parallel to the C0-plane of the luminaire.

Es ist zudem in einer vorteilhaften Ausführungsform der Leuchte vorgesehen, dass der Träger mit den Leuchtdioden und dem Reflektor in einem Gehäuse integriert ist, an dem an zwei gegenüberliegenden Enden ein Drehgelenk zur drehbaren Befestigung mit zwei Aufhängungen angeordnet ist. Dies ermöglicht es, die Lampe je nach Bedarf zu drehen und so einen optimalen Anstrahlwinkel der Leuchte auf das zu beleuchtende Objekt einzustellen.It is also provided in an advantageous embodiment of the lamp, that the carrier is integrated with the LEDs and the reflector in a housing, on which at two opposite ends a hinge for rotatable mounting with two suspensions is arranged. This makes it possible to turn the lamp as needed, and so set an optimal angle of the light on the object to be illuminated.

Zudem wird auch eine erfindungsgemäße Leuchtenanordnung mit mindestens zwei der vorgenannten Leuchten beansprucht. Diese zeichnet sich dadurch aus, dass die Leuchten zwischen zwei Aufhängungen schwenkbar um eine Längsachse angeordnet sind. Zudem können die Leuchten auch anders herum in den Aufhängungen montiert werden, so dass sowohl eine im Querschnitt symmetrische, wie auch eine parallele Ausrichtung der Leuchten möglich ist. Hierdurch kann die Leuchtenanordnung z.B. durch eine in der Mitte eines Gangs angeordnete Leuchte einerseits zur gleichmäßigen Ausleuchtung gegenüberliegender vertikaler Flächen bzw. Regale verwendet werden. Andererseits kann auch eine der beiden Leuchten anders herum montiert werden, so dass beide Leuchten eine gleichgerichtete Ausstrahlung aufweisen, um die Helligkeit der beleuchteten Fläche zu erhöhen.In addition, a luminaire arrangement according to the invention with at least two of the aforementioned lamps is claimed. This is characterized by the fact that the lights between two suspensions are arranged pivotably about a longitudinal axis. In addition, the lights can be mounted the other way around in the suspensions, so that both a symmetrical in cross-section, as well as a parallel orientation of the lights is possible. As a result, the luminaire arrangement can be made e.g. be used by a arranged in the middle of a corridor light on the one hand for uniform illumination of opposing vertical surfaces or shelves. On the other hand, one of the two lights can be mounted the other way round, so that both lights have a rectified radiation to increase the brightness of the illuminated area.

In einer bevorzugten Ausführungsform der Leuchtenanordnung sind die Aufhängungen als Halteplatten ausgebildet, die durch ein im Wesentlichen U-förmiges Längsprofil verbunden sind. Das U-förmige Längsprofil bietet eine hohe Steifigkeit und ermöglicht die problemlose Unterbringung von Betriebsmitteln wie der Spannungsversorgung für die Leuchtdioden.In a preferred embodiment of the luminaire arrangement, the suspensions are designed as holding plates, which are connected by a substantially U-shaped longitudinal profile are. The U-shaped longitudinal profile provides high rigidity and allows easy placement of equipment such as the power supply for the LEDs.

Die Aufhängungen können bevorzugt Drehgelenke zur drehbaren Befestigung der Leuchten aufweisen. Hierdurch wird es möglich, die Leuchten relativ zu den Aufhängungen frei zu drehen, um die gewünschte Ausrichtung der Leuchten zu erreichen.The suspensions may preferably have hinges for rotatable mounting of the lights. This makes it possible to freely rotate the lights relative to the suspensions to achieve the desired orientation of the lights.

An dem Längsprofil kann zudem vorteilhafterweise mindestens ein Verbindungselement zum verschiebbaren Befestigen der Leuchtenanordnung in einer Schiene angeordnet sein. Hierdurch wird eine rasche Verstellbarkeit der Position der Leuchtenanordnung in Richtung der Schiene ermöglicht.In addition, advantageously at least one connecting element for the displaceable fastening of the luminous arrangement in a rail can be arranged on the longitudinal profile. As a result, a rapid adjustability of the position of the lamp assembly is made possible in the direction of the rail.

Weitere Besonderheiten und Vorzüge der Erfindung ergeben sich aus der Beschreibung eines bevorzugten Ausführungsbeispiels anhand der Zeichnung. Es zeigen:

Figur 1
einen Querschnitt durch eine Leuchte;
Figur 2
einen Querschnitt durch eine Leuchtenanordnung mit einer symmetrischen Ausrichtung der Leuchten;
Figur 3
einen Querschnitt durch eine Leuchtenanordnung mit einer parallelen Ausrichtung der Leuchten und
Figur 4
eine Leuchte in einer perspektivischen Ansicht.
Other features and advantages of the invention will become apparent from the description of a preferred embodiment with reference to the drawings. Show it:
FIG. 1
a cross section through a lamp;
FIG. 2
a cross section through a lamp assembly with a symmetrical orientation of the lights;
FIG. 3
a cross section through a lamp assembly with a parallel orientation of the lights and
FIG. 4
a lamp in a perspective view.

In Figur 1 ist eine Leuchte 1 im Querschnitt gezeigt, die aus einer Reihe von Leuchtdioden 2 besteht, die an einem gemeinsamen Träger 3 befestigt sind. Der Verlauf der Reihe von Leuchtdioden 2 ist bei dieser Darstellung senkrecht zu der Bildebene. An dem Träger 3 ist ein Reflektor 4 mit zwei gegenüberliegenden Reflektorbereichen 5 und 6 angeordnet. Ein erster Reflektorbereich 5 weist auf der einen Seite des Trägers mindestens zwei zueinander geneigte ebene Flächen 7 und 8 auf. Ein zweiter Reflektorbereich 6 auf der anderen Seite des Trägers 3 ist dahingegen als ebene Fläche ausgebildet. Die Reflektorbereiche 5 und 6 sind auf der den Leuchtdioden 2 zugewandten Seite verspiegelt bzw. weisen einen hohen Reflexionsgrad auf, so dass das Licht der Leuchtdioden 2 annähernd verlustfrei umgelenkt werden kann.In FIG. 1 a lamp 1 is shown in cross-section, which consists of a series of light-emitting diodes 2 which are fixed to a common carrier 3. The course of the row of LEDs 2 is perpendicular to the image plane in this representation. On the support 3, a reflector 4 with two opposite reflector regions 5 and 6 is arranged. A first reflector region 5 has on one side of the carrier at least two mutually inclined planar surfaces 7 and 8. A second reflector region 6 on the other side of the carrier 3 is formed as a flat surface. The reflector areas 5 and 6 are mirrored on the light emitting diodes 2 facing side or have a high reflectivity, so that the light of the LEDs 2 can be deflected almost lossless.

Der Strahlengang der Leuchte 1 ist so ausgelegt, dass die Leuchte 1 an der Decke montiert eine gleichmäßige und stufenlose Ausleuchtung von im Wesentlichen vertikalen Wänden oder Regalen ermöglicht. Dazu weisen die Reflektorbereiche 5 und 6 einen asymmetrischen Aufbau auf. Der erste Reflektorschenkel 5 hat einen in etwa mittig angeordneten Knick 9 zwischen den ebenen Flächen 7 und 8. Der Winkel α des Knicks 9 liegt vorzugsweise bei 15°. Die durch den ersten Reflektorbereich 5 nach unten abgelenkten Lichtstrahlen der Leuchtdioden 2 treffen auf tiefere Bereiche der Wand bzw. des Regals, so dass auch diese von der Leuchte 1 weiter entfernten Bereiche des zu beleuchtenden Objekts ausreichend angeleuchtet werden.The beam path of the lamp 1 is designed so that the lamp 1 mounted on the ceiling allows a uniform and continuous illumination of substantially vertical walls or shelves. For this purpose, the reflector areas 5 and 6 have an asymmetrical structure. The first reflector leg 5 has an approximately centrally arranged bend 9 between the flat surfaces 7 and 8. The angle α of the bend 9 is preferably 15 °. The light beams of the light-emitting diodes 2, which are deflected downwards by the first reflector region 5, strike deeper regions of the wall or of the shelf, so that these regions of the object to be illuminated, which are further away from the light 1, are illuminated sufficiently.

Im Gegensatz dazu ist der zweite Reflektorbereich 6 als ebene Fläche ausgebildet. Dies hat den Grund, dass die ohnehin nach unten gerichteten Lichtstrahlen nur wenig umgelenkt werden müssen, um auf die unteren Bereiche der Wand bzw. des Regals zu treffen.In contrast, the second reflector region 6 is formed as a flat surface. This is because the light rays, which are directed downwards anyway, need only be deflected slightly to hit the bottom of the wall or shelf.

Der Winkel β zwischen dem ersten Reflektorbereich 5 und dem Träger 3 beträgt vorzugsweise 110°. Dieser Winkel bestimmt sich hauptsächlich aus dem vertikalen und horizontalen Abstand der Leuchte 1 von dem obersten zu beleuchtenden Teil der Wand bzw. des Regals. Der Winkel γ zwischen dem zweiten Reflektorbereich 6 und dem Träger 3 beträgt bevorzugt 120°. Dieser Winkel hängt von dem vertikalen und horizontalen Abstand der Leuchte 1 von dem untersten zu beleuchtenden Teil der Wand bzw. des Regals ab.The angle β between the first reflector region 5 and the carrier 3 is preferably 110 °. This angle is mainly determined by the vertical and horizontal distance of the lamp 1 from the uppermost part of the wall or shelf to be illuminated. The angle γ between the second reflector region 6 and the carrier 3 is preferably 120 °. This angle depends on the vertical and horizontal spacing of the luminaire 1 from the lowermost part of the wall or shelf to be illuminated.

In dem gezeigten Ausführungsbeispiel ist der Träger 3 mit den Reflektorschenkeln 5 und 6 einstückig ausgeführt und durch Biegen eines ebenen Metall- oder Kunststoffblechs geformt. Dies ermöglicht zum einen eine sehr einfache Fertigung und zum anderen eine hohe Anpassbarkeit der Leuchte 1 an verschiedene Beleuchtungsanforderungen durch einfache Änderung der Biegewinkel.In the embodiment shown, the carrier 3 is integrally formed with the reflector legs 5 and 6 and formed by bending a flat metal or plastic sheet. This allows for a very simple production and on the other hand, a high adaptability of the lamp 1 to different lighting requirements by simply changing the bending angle.

Speziell durch den Winkel α wird erreicht, dass ein Teil der Lichtstrahlen, die ursprünglich in Richtung der oberen, der Leuchte 1 näheren Wandteile gerichtet waren, nach unten abgelenkt werden und somit der Verlust an Lichtintensität aufgrund der weiteren Entfernung und der größeren Fläche im unteren Teil des anzuleuchtenden Bereichs ausgeglichen werden kann. Als Resultat ergibt sich durch die dargestellte Leuchte 1 eine ungewöhnlich gleichmäßige Ausleuchtung ohne Stufen, was vor allem bei der Beleuchtung von größeren Flächen wie Bildern oder auch von Waren in Regalen von Geschäften von wesentlicher Bedeutung ist.Specifically, by the angle α is achieved that a part of the light rays, which were originally directed towards the upper, the lamp 1 nearer wall parts are deflected downward and thus the loss of light intensity due to the further distance and the larger area in the lower part of the area to be filled. As a result, the illustrated lamp 1 results in an unusually uniform Illumination without steps, which is especially important when lighting larger areas such as pictures or goods on store shelves.

In Figur 2 ist eine Leuchtenanordnung 10 im Querschnitt gezeigt, die zwei der vorgenannten Leuchten 1 aufweist. Diese Leuchten 1 sind jeweils in ein Gehäuse 11 aus einem länglichen und im Querschnitt U-förmigen Profilkörper, wie z.B. ein U-Profil aus Aluminium oder Kunststoff, eingesetzt. Die Gehäuse 11 sind jeweils an ihren gegenüberliegenden Enden mit Drehgelenken 12 drehbar an Aufhängungen 13 befestigt. Die Aufhängungen 13 sind dabei als Halteplatten ausgebildet, die durch ein im Wesentlichen U-förmiges Längsprofil 14 verbunden sind, innerhalb dem die Elektronik für die Leuchten 1 angeordnet sein kann.In FIG. 2 a luminaire assembly 10 is shown in cross-section, which has two of the aforementioned lamps 1. These lights 1 are each in a housing 11 of an elongated and in cross-section U-shaped profile body, such as a U-profile made of aluminum or plastic used. The housings 11 are each rotatably mounted at their opposite ends with hinges 12 to suspensions 13. The suspensions 13 are designed as holding plates, which are connected by a substantially U-shaped longitudinal profile 14, within which the electronics for the lights 1 can be arranged.

Die Drehgelenke 12 ermöglichen es, die Leuchten 1 mit den Lichtstrahlen bei der Montage in einfacher Weise auf die zu beleuchtenden Bereiche auszurichten. In der in Figur 2 gezeigten Ausführungsform ist die Leuchtenanordnung 10 auf die Ausleuchtung von zwei Wänden bzw. Regalen ausgelegt, die sich in etwa gleichem Abstand seitlich zu der Leuchtenanordnung 10 befinden. In diesem Fall beleuchtet jede Leuchte 1 nur eine Wand bzw. ein Regal.The hinges 12 make it possible to align the lights 1 with the light rays during assembly in a simple manner to the areas to be illuminated. In the in FIG. 2 In the embodiment shown, the luminaire arrangement 10 is designed for the illumination of two walls or shelves, which are located at approximately the same distance laterally to the luminaire arrangement 10. In this case, each lamp 1 lit only a wall or a shelf.

In dem in Figur 3 gezeigten Ausführungsbeispiel ist dagegen die Leuchtenanordnung 10 auf die Beleuchtung von einem Regal bzw. einer Wand ausgelegt. Hierzu wurde im Vergleich zu dem Ausführungsbeispiel der Figur 2 die Linke der beiden Leuchten 1 anders herum mit den Halteplatten 13 verbunden, so dass beide Leuchten 1 die gleiche Orientierung aufweisen und einen zueinander versetzten, aber parallelen Strahlengang haben. Bezüglich einer Feinabstimmung ist jede der Leuchte 1 wie in dem Ausführungsbeispiel der Figur 2 um die Drehgelenke 12 drehbar gelagert.In the in FIG. 3 In contrast, the luminaire arrangement 10 is designed for the illumination of a shelf or a wall. For this purpose, compared to the embodiment of the FIG. 2 the left of the two lights 1 connected the other way around with the holding plates 13, so that both lights 1 have the same orientation and have a mutually offset, but parallel beam path. With regard to a fine tuning, each of the luminaires 1 is as in the embodiment of FIG FIG. 2 rotatably mounted about the pivot joints 12.

Bei den in den Figuren 2 und 3 gezeigten Ausführungsbeispielen ist zudem ein Verbindungselement 15 gezeigt, das mit dem U-förmigen Längsprofil 13 verbunden ist. Das Verbindungselement 15 ist dafür ausgelegt, mit einer nicht dargestellten an einer Decke montierten Schiene verbunden zu werden, wobei das Verbindungsteil 15 in Längsrichtung der Schiene verfahrbar ist. Zudem können an dem Verbindungsteil 15 Clips-Elemente 16 angeordnet sein, die eine rasche und einfache Montage der Leuchtenanordnung 10 an der Schiene ermöglichen.In the in the Figures 2 and 3 shown embodiments, a connecting element 15 is shown, which is connected to the U-shaped longitudinal profile 13. The connecting element 15 is designed to be connected to a not shown mounted on a ceiling rail, wherein the connecting part 15 is movable in the longitudinal direction of the rail. In addition, 15 clip elements 16 may be arranged on the connecting part, which allow a quick and easy installation of the lamp assembly 10 to the rail.

In Figur 4 ist eine Leuchte 1 in einer perspektivischen Ansicht gezeigt. Die Leuchte 1 weist ein nicht dargestelltes Blendraster auf, das eine Blendung in der C90-Ebene 17 verringert. Dazu sind die Blendraster parallel zur C0-Ebene 18 an der Leuchte 1 angeordnet.In FIG. 4 a lamp 1 is shown in a perspective view. The luminaire 1 has an unillustrated blind raster which reduces glare in the C90 plane 17. For this purpose, the blend grids are arranged parallel to the C0 plane 18 on the luminaire 1.

Claims (10)

  1. Lamp (1) having a support (3) and a series of light-emitting diodes (2) which are attached to the support (3), wherein an asymmetrical reflector (4) having two opposing reflector regions (5; 6) is arranged on the support (3) and a first of the two reflector regions (5) has on the one side of the support (3) at least two flat surfaces (7; 8) at an angle to one another, characterised in that the reflector (4) and the support (3) are designed to be integral, wherein the reflector (4) and the support (3) are shaped from a flat metal sheet or plastic sheet by bending.
  2. Lamp (1) according to claim 1, characterised in that a second reflector region (6) is designed as a flat surface on the other side of the support (3).
  3. Lamp (1) according to claim 1 or 2, characterised in that the angle (β) between the first reflector region (5) and the support (3) is between 90° and 150°, preferably 110°.
  4. Lamp (1) according to one of claims 1 to 3, characterised in that the two flat surfaces (7; 8) at an angle to one another of the firstreflector region (5) have an angle (α) between 1° and 60°, preferably 15°, to one another.
  5. Lamp (1) according to one of claims 2 to 4, characterised in that the angle (γ) between the second reflector region (6) and the support (3) is between 90° and 160°,preferably 120°.
  6. Lamp (1) according to one of claims 1 to 5, characterised in that the support (3) is integrated with the light-emitting diodes (2) and the reflector (4) in a housing (11), on which a hinge (12) for rotatable attachment with two mounting brackets (13) is arranged at two opposing ends.
  7. Lamparrangement (10) having at least two lamps (1) according to one of claims 1 to 6, characterised in that the lamps (1) are arranged between two mounting brackets (13) to be pivotable about a longitudinal axis.
  8. Lamp arrangement (10) according to claim 7, characterised in that the mounting brackets (13) are designed as supporting plates which are connected by an essentially U-shaped longitudinal profile (14).
  9. Lamp arrangement (10) according to claim 7 or 8, characterised in that the mounting brackets (13) have hinges (12) for rotatable attachment of the lamps (1).
  10. Lamp arrangement (10) according to one of claim 8 or 9, characterised in that the longitudinal profile (14) has at least one connecting element (15) for displaceable attachment of the lamp arrangement (10) in a rail.
EP14156458.3A 2013-06-11 2014-02-25 Lamp Active EP2813753B1 (en)

Applications Claiming Priority (1)

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DE102013106033.1A DE102013106033A1 (en) 2013-06-11 2013-06-11 lamp

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DE102019106678A1 (en) * 2019-03-15 2020-09-17 Siteco Gmbh Modular wall and shelf washers

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Publication number Priority date Publication date Assignee Title
FR2378325A1 (en) * 1977-01-20 1978-08-18 Radiotechnique Compelec ELECTROLUMINESCENT DISPLAY ELEMENT
US5971571A (en) * 1997-09-08 1999-10-26 Winona Lighting Studio, Inc. Concave light reflector device
ATE514899T1 (en) * 2004-09-20 2011-07-15 Koninkl Philips Electronics Nv LED COLLIMATOR ELEMENT WITH AN ASYMMETRIC COLLIMATOR
EP2454520B1 (en) * 2010-03-09 2015-01-28 Tri-O-Light BV Light strip
ITMI20100260U1 (en) * 2010-07-29 2012-01-30 Ivela S P A JOINT FOR EQUIPMENT D ILLUMINATED SHAPE LIGHTS.
US10883702B2 (en) * 2010-08-31 2021-01-05 Ideal Industries Lighting Llc Troffer-style fixture
WO2013050340A1 (en) * 2011-10-04 2013-04-11 Tp Vision Holding B.V. Light emitting device for use in a display device
DE202012003680U1 (en) 2012-04-13 2012-05-18 Gratz Luminance GmbH LED light

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