EP3088795B1 - Lighting device - Google Patents

Lighting device Download PDF

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Publication number
EP3088795B1
EP3088795B1 EP16166564.1A EP16166564A EP3088795B1 EP 3088795 B1 EP3088795 B1 EP 3088795B1 EP 16166564 A EP16166564 A EP 16166564A EP 3088795 B1 EP3088795 B1 EP 3088795B1
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EP
European Patent Office
Prior art keywords
optical arrangement
light
lighting device
arrangement
optical
Prior art date
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Active
Application number
EP16166564.1A
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German (de)
French (fr)
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EP3088795A1 (en
Inventor
Wolfgang Rüf
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zumtobel Lighting GmbH Austria
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Zumtobel Lighting GmbH Austria
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Publication of EP3088795A1 publication Critical patent/EP3088795A1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/002—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for interchangeability, i.e. component parts being especially adapted to be replaced by another part with the same or a different function
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/02—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages with provision for adjustment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/008—Combination of two or more successive refractors along an optical axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • F21V5/045—Refractors for light sources of lens shape the lens having discontinuous faces, e.g. Fresnel lenses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to an elongated lighting device, in particular a continuous line luminaire, and an optical arrangement for releasable attachment to an elongate lighting device.
  • elongated lighting devices are known from the prior art, see for example in the form of elongated continuous line lights with elongated fluorescent tubes or elongated LED arrays US2010 / 0135027 or WO2006 / 087198 ,
  • the known lighting devices are typically constructed or assembled by means of individual lighting modules having a predefined length.
  • such lighting devices often include optical arrangements, such as reflectors or frosted glass panes, in order to be able to emit a directed or diffused light through the lighting device.
  • the individual lighting modules of the elongated lighting device can result from the replacement of the lighting modules unwanted lighting gaps that adversely affect the lighting impression of the elongated lighting device.
  • the replacement of the lighting modules is relatively complex, especially since in this case the electrical contacts of the light module to be replaced must first be removed and reapplied to the light module to be used.
  • the electrical contacts often also arranged only at predefined positions on the elongated lighting device, which further limits the positioning options for the alternative lighting modules.
  • the present invention has the object to provide an elongated lighting device on which in a simple manner in individual areas a modified emission, preferably a radiator function, can optionally be provided.
  • An elongate lighting device in particular a continuous-line luminaire, comprises: at least one light source; at least one first optical arrangement, which is arranged in the emission direction of the light source (seen) behind the light source; at least one separate second optical arrangement, which is arranged in the emission direction of the light source (seen) behind the first optical arrangement detachably on the lighting device, in such a way that the light emerging from the first optical arrangement can partially enter the second optical arrangement, so in that the lighting device can emit light from the first optical arrangement and light from the second optical arrangement.
  • the present invention proposes to detachably arrange a second, separate optical arrangement on a first optical arrangement of the elongate lighting device, for example a reflector arrangement, a diffusing screen or another diffuser, and, unlike the known solutions, no longer replace the lighting modules ,
  • the term of the second optical arrangement is to be understood broadly and includes not only optical elements, such as lenses, light guide, but also housing, fasteners and the like.
  • the second optical arrangement means the entire unit which can be arranged on the elongate lighting device.
  • the second optical arrangement is a housing with at least one optical element, which in Longitudinal extension at any position on the elongated lighting device can be clipped.
  • the light emitted by the light source of the elongate lighting device can be quasi branched off and guided through the optical element of the second optical arrangement.
  • the optical element of the second optical arrangement for example a converging lens or a Fresnel lens, is selected such that a bundled light output is generated by the second optical arrangement, in order to be able to additionally provide at least one radiator function on the elongate lighting device.
  • the detachable attachment of the second optical arrangement in the beam path behind the first optical arrangement has the particular advantage that the existing lighting device does not need to be structurally changed in order to provide a region with a modified radiation characteristic can. Also, no electrical contacts are necessary for the second optical arrangement, since the second optical arrangement uses the radiated light of the elongated lighting device and does not comprise its own active light sources. In comparison to the previously known solutions, an elongated lighting device with a further emission characteristic, in particular a radiator function, can thus be provided in a simple manner and this while avoiding the disadvantages described above.
  • the elongated lighting device comprises a housing in which the at least one light source and the at least one first optical arrangement are fixed, wherein the light source of the elongated lighting device is preferably an elongated LED array or an elongate fluorescent tube.
  • the second optical arrangement on the housing of the elongate lighting device or on the first optical arrangement is detachably arranged or can be arranged.
  • the second optical arrangement has at least one latching / spring element in order to releasably connect it to a corresponding latching / spring element of the housing and / or the first optical arrangement.
  • the latching / spring element of the housing and / or the first optical arrangement extends substantially over the entire longitudinal extension of the elongate lighting device, so that the second optical arrangement can be arranged detachably substantially over the entire longitudinal extent of the elongate lighting device is.
  • the locking / spring elements are preferably designed as tongue and groove connections, as clip connections and / or as spring pin connections.
  • the second optical arrangement in the longitudinal extent of the elongated lighting device is slidably disposed on the housing and / or on the first optical arrangement. This can be done for example by an over the entire longitudinal extent of the elongated lighting device provided undercut / detent groove on which the second optical arrangement can be arranged by means of correspondingly formed locking means.
  • the second optical arrangement and / or the lens element of the second optical arrangement is arranged rotatable and / or tiltable in order to be able to change the light emission direction of the light emerging from the second optical arrangement.
  • Such mobility can be provided in particular by turning or tilting mechanisms.
  • the lens element may be a Fresnel lens, which is rotatably attached to the second optical arrangement, for example in the housing of the second optical arrangement.
  • the second optical arrangement preferably comprises light-guiding means, such as at least one reflector surface, and a lens element adapted to guide the light entering the second optical arrangement to the lens element.
  • light-guiding means such as at least one reflector surface
  • a lens element adapted to guide the light entering the second optical arrangement to the lens element.
  • reflective coatings / surfaces can be provided on or in the housing of the second optical arrangement in order to guide the light obtained from the light source of the elongate lighting device to the optical element of the second optical arrangement.
  • further light-conducting means such as lens arrangements, prisms, optical waveguides and the like in the second optical arrangement.
  • the second optical arrangement or the housing of the second optical arrangement is preferably substantially funnel-shaped, cylindrical or rod-shaped.
  • a substantially funnel-shaped embodiment it is particularly preferred that this is a funnel shape with a rectangular base surface, which corresponds to the surface of the elongated lighting device on which the second optical arrangement is arranged on the elongate lighting device / is.
  • the possibility exists of the optical element of the second optical Arrangement for example, designed as a cylindrical or rod-shaped light guide, such form and rotatably arranged in the cylinder that a light output can be carried out in dependence of the angular positioning of the optical element.
  • a cylindrical design of the second optical arrangement it is also possible to mount the entire arrangement rotatably on the elongate lighting device and to vary a light output according to the angular positioning of the second optical arrangement.
  • the light entrance surface of the second optical arrangement at which light enters from the first optical arrangement into the second optical element, has a substantially rectangular shape when seen in plan view
  • the light exit area of the second optical arrangement at which light emerges from the second optical arrangement or is guided to the lens element of the second optical arrangement, seen in plan view has substantially a circular shape.
  • the present invention relates to a second optical arrangement described above, wherein the optical arrangement is arranged to be arranged on the elongated lighting device comprising at least one light source and a first optical arrangement, releasably attached to the lighting device in the emission direction behind the first optical arrangement in such a way that the light emerging from the first optical arrangement can partly enter the second optical arrangement, so that the lighting device emits light from the first optical system
  • Dispense arrangement and light from the second optical arrangement Dispense arrangement and light from the second optical arrangement.
  • FIG. 1 shows a schematic view of a preferred embodiment of a second optical arrangement 10 according to the invention, which in the FIGS. 2 to 4 is releasably secured to an elongated lighting device 100.
  • the preferred embodiment of the second optical arrangement 10 comprises a substantially funnel-shaped main body 11, wherein a lens element 12 is arranged in the form of a Fresnel lens on a lower side provided for emitting light, which bundles the light and emits with a lens-dependent angle to the vertical.
  • the optical arrangement 10 On the opposite side of the lens element 12, the optical arrangement 10 has two opposing locking lugs 13, with which the optical arrangement 10 at the in the FIGS. 2 to 4 shown elongated lighting device 100 can be releasably secured.
  • the upper side of the optical device 10 is formed open so that light from the elongated lighting device 100 can enter the optical device 10 in this region.
  • the light entry surface formed in the upper region can enter light from the elongated lighting device 100 in the optical assembly 10, seen in plan view formed substantially rectangular.
  • the light exit surface, on which light can exit from the optical arrangement 10 or from the lens element 12, is substantially circular in plan view.
  • the lens element 12 bundles the light entering the optical arrangement 10 such that the optical arrangement 10 is perceived as light point sources, such as a radiator module or a spotlight module, and can be used accordingly.
  • optical elements such as a reflector arrangement, a lens arrangement or other light-guiding elements can be provided, which serve to light the light entering at the upper light entry surface up to the lens element 12 to lead it out of the optical arrangement can escape.
  • the lens element 12 is preferably rotatably arranged on the base body 11, so that the exact light emission direction of the radiation cone can be changed accordingly.
  • the illustrated substantially rectangular shaped light entry surface of the optical arrangement 10 represents a particularly preferred form of the light entry surface, as this can be done by a particularly simple attachment of the light entry surface on the elongated lighting device 100.
  • the optical arrangement and / or the lens element essentially cylindrical, for example by means of cylindrical or rod-shaped light-guiding elements.
  • the optical arrangement or the lens element of the optical arrangement can be arranged to be rotatable so that a light emission can occur depending on the angular positioning of the lens element or the optical arrangement.
  • the elongate lighting device 100 comprises, on the light exit side, an optical arrangement 110 in the form of diffuser elements.
  • the elongate lighting device 100 may comprise further optical elements / devices, such as, for example, reflector arrangements, diffusing screens, milk glass panes or the like.
  • the elongated lighting device 100 further comprises at least one elongated light source (not shown) provided behind the optical assembly 110.
  • the optical arrangement 110 and the at least one light source are arranged in a housing 113 of the elongate lighting device 100.
  • the elongated lighting device 100 comprises two opposing locking grooves 111, in which the correspondingly formed locking lugs 13 of the optical assembly 10 is engaged can be and thus the optical assembly 10 can be attached to the elongated lighting device 100.
  • the latching grooves 111 of the elongated lighting device 100 extend substantially over the entire longitudinal extent of the elongated lighting device 100, so that the positioning of the optical arrangement 10 is essentially freely selectable.
  • detent connections 13, 111 shown can be provided in order to detach the optical arrangement 10 to the housing 113 or to the optical arrangement 110 the elongated lighting device 100 to connect.
  • the detachable attachment of the optical arrangement 10 in the beam path behind the optical arrangement 110 of the elongated lighting device 100 thus provides an easy way to provide an elongated lighting device 100 with an additional radiation characteristic without having to structurally modify the existing lighting device. Also, no electrical contacts are necessary because the optical assembly 10 does not require active light sources and utilizes only the radiated light of the elongated light emitting device 100. As a result, an elongated lighting device with a further emission characteristic, in particular a radiator function, can thus be provided in a simple manner and this while avoiding the known disadvantages. It is also possible to retrofit already built-in elongated lighting devices in a simple way with an additional emission characteristics.

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

Description

1. Gebiet der Erfindung1. Field of the invention

Die vorliegende Erfindung betrifft eine längliche Leuchtvorrichtung, insbesondere eine Lichtbandleuchte, und eine optische Anordnung zur lösbaren Befestigung an einer länglichen Leuchtvorrichtung.The present invention relates to an elongated lighting device, in particular a continuous line luminaire, and an optical arrangement for releasable attachment to an elongate lighting device.

2. Hintergrund2. Background

Aus dem Stand der Technik ist eine Vielzahl von länglichen Leuchtvorrichtungen bekannt, beispielsweise in Form von länglichen Lichtbandleuchten mit länglichen Leuchtstoffröhren oder länglichen LED-Arrays siehe US2010/0135027 oder WO2006/087198 . Die bekannten Leuchtvorrichtungen sind dabei typischerweise mittels einzelner Leuchtmodule, die eine vordefinierte Länge aufweisen, aufgebaut bzw. zusammengesetzt. Derartige Leuchtvorrichtungen umfassen darüber hinaus häufig optische Anordnungen, wie Reflektoren oder Milchglasscheiben, um ein gerichtetes oder diffuses Licht durch die Leuchtvorrichtung abgeben zu können.A variety of elongated lighting devices are known from the prior art, see for example in the form of elongated continuous line lights with elongated fluorescent tubes or elongated LED arrays US2010 / 0135027 or WO2006 / 087198 , The known lighting devices are typically constructed or assembled by means of individual lighting modules having a predefined length. In addition, such lighting devices often include optical arrangements, such as reflectors or frosted glass panes, in order to be able to emit a directed or diffused light through the lighting device.

Ferner ist es im Stand der Technik bekannt, dass einzelne Leuchtmodule der länglichen Leuchtvorrichtung nachträglich abgenommen werden und durch andere Leuchtmodule, die eine andere Abstrahlcharakteristik aufweisen, ersetzt werden können. In diesem Zusammenhang ist es insbesondere bekannt eines oder mehrere der Leuchtmodule mit länglichen Lichtquellen durch Leuchtmodule mit Lichtpunktquellen, wie Strahlermodule, Spot-Light-Module oder dergleichen, zu ersetzen, um in einzelnen Bereichen eine entsprechende Beleuchtung bereitstellen zu können.Furthermore, it is known in the prior art that individual lighting modules of the elongated lighting device are subsequently removed and can be replaced by other lighting modules which have a different emission characteristic. In this context, it is known in particular to replace one or more of the lighting modules with elongate light sources by lighting modules with light point sources, such as radiator modules, spot light modules or the like, in order to be able to provide corresponding illumination in individual areas.

Nachdem die einzelnen Leuchtmodule der länglichen Leuchtvorrichtung häufig allerdings eine vordefinierte Länge aufweisen und für einen Austausch zumindest ein derartiges Leuchtmodul entfernt werden muss, können sich durch den Austausch der Leuchtmodule unerwünschte Beleuchtungslücken ergeben, die den Beleuchtungseindruck der länglichen Leuchtvorrichtung nachteilig beeinflussen. Darüber hinaus ist der Austausch der Leuchtmodule vergleichsweise aufwändig, insbesondere da hierbei die elektrischen Kontaktierungen des auszutauschenden Leuchtmoduls zunächst entfernt und am einzusetzenden Leuchtmodul erneut angebracht werden müssen. Darüber hinaus sind die elektrischen Kontaktierungen häufig auch nur an vordefinierten Positionen an der länglichen Leuchtvorrichtung angeordnet, was die Positionierungsmöglichkeiten für die alternativen Leuchtmodule weiter einschränkt.After the individual lighting modules of the elongated lighting device, however, often have a predefined length and at least one such lighting module must be removed for replacement, can result from the replacement of the lighting modules unwanted lighting gaps that adversely affect the lighting impression of the elongated lighting device. In addition, the replacement of the lighting modules is relatively complex, especially since in this case the electrical contacts of the light module to be replaced must first be removed and reapplied to the light module to be used. In addition, the electrical contacts often also arranged only at predefined positions on the elongated lighting device, which further limits the positioning options for the alternative lighting modules.

Ausgehend von diesem Stand der Technik stellt sich die vorliegende Erfindung die Aufgabe, eine längliche Leuchtvorrichtung bereitzustellen, an der in einfacher Weise in einzelnen Bereichen eine veränderte Abstrahlcharakteristik, vorzugsweise eine Strahlerfunktion, optional bereitgestellt werden kann.Based on this prior art, the present invention has the object to provide an elongated lighting device on which in a simple manner in individual areas a modified emission, preferably a radiator function, can optionally be provided.

Diese und andere Aufgaben, die beim Lesen der folgenden Beschreibung noch genannt werden oder vom Fachmann erkannt werden können, werden durch den Gegenstand der unabhängigen Ansprüche gelöst. Die abhängigen Ansprüche bilden den zentralen Gedanken der vorliegenden Erfindung in besonders vorteilhafterweise weiter.These and other objects, which will become apparent upon reading the following description or which will be recognized by those skilled in the art, are achieved by the subject-matter of the independent claims. The dependent claims further form the central idea of the present invention in a particularly advantageous manner.

3. Ausführliche Beschreibung der Erfindung3. Detailed description of the invention

Eine erfindungsgemäße längliche Leuchtvorrichtung, insbesondere eine Lichtbandleuchte, umfasst: zumindest eine Lichtquelle; zumindest eine erste optische Anordnung, die in Abstrahlrichtung der Lichtquelle (gesehen) hinter der Lichtquelle angeordnet ist; zumindest eine separate zweite optische Anordnung, die in Abstrahlrichtung der Lichtquelle (gesehen) hinter der ersten optischen Anordnung lösbar an der Leuchtvorrichtung angeordnet ist, und zwar derart, dass das aus der ersten optischen Anordnung austretende Licht teilweise in die zweite optische Anordnung eintreten kann, so dass die Leuchtvorrichtung Licht aus der ersten optischen Anordnung und Licht aus der zweiten optischen Anordnung abgeben kann.An elongate lighting device according to the invention, in particular a continuous-line luminaire, comprises: at least one light source; at least one first optical arrangement, which is arranged in the emission direction of the light source (seen) behind the light source; at least one separate second optical arrangement, which is arranged in the emission direction of the light source (seen) behind the first optical arrangement detachably on the lighting device, in such a way that the light emerging from the first optical arrangement can partially enter the second optical arrangement, so in that the lighting device can emit light from the first optical arrangement and light from the second optical arrangement.

Mit anderen Worten schlägt die vorliegende Erfindung vor, auf eine erste optische Anordnung der länglichen Leuchtvorrichtung, beispielsweise eine Reflektoranordnung, eine Streuscheibe oder ein sonstiges Diffusormittel, eine zweite, separate optische Anordnung lösbar anzuordnen und im Gegensatz zu den bekannten Lösungen keinen Austausch der Leuchtmodule mehr vorzunehmen. Der Begriff der zweiten optischen Anordnung ist dabei breit zu verstehen und umfasst nicht nur optische Element, wie beispielsweise Linsen, Lichtleitmittel, sondern auch Gehäuse, Befestigungsmittel und dergleichen. Insbesondere ist unter der zweiten optischen Anordnung die gesamte an der länglichen Leuchtvorrichtung anordenbare Baueinheit zu verstehen.In other words, the present invention proposes to detachably arrange a second, separate optical arrangement on a first optical arrangement of the elongate lighting device, for example a reflector arrangement, a diffusing screen or another diffuser, and, unlike the known solutions, no longer replace the lighting modules , The term of the second optical arrangement is to be understood broadly and includes not only optical elements, such as lenses, light guide, but also housing, fasteners and the like. In particular, the second optical arrangement means the entire unit which can be arranged on the elongate lighting device.

In der einfachsten Ausführungsform handelt es sich bei der zweiten optischen Anordnung um ein Gehäuse mit zumindest einem optischen Element, das in Längserstreckung an einer beliebigen Position auf die längliche Leuchtvorrichtung aufclipsbar ist. Dadurch kann das von der Lichtquelle der länglichen Leuchtvorrichtung ausgestrahlte Licht quasi abgezweigt werden und durch das optische Element der zweiten optischen Anordnung geführt werden. Das optische Element der zweiten optischen Anordnung, beispielsweise eine Sammellinse oder eine Fresnellinse, ist derart gewählt, dass eine gebündelte Lichtabgabe durch die zweite optische Anordnung erzeugt wird, um an der länglichen Leuchtvorrichtung zusätzlich zumindest eine Strahlerfunktion bereitstellen zu können.In the simplest embodiment, the second optical arrangement is a housing with at least one optical element, which in Longitudinal extension at any position on the elongated lighting device can be clipped. As a result, the light emitted by the light source of the elongate lighting device can be quasi branched off and guided through the optical element of the second optical arrangement. The optical element of the second optical arrangement, for example a converging lens or a Fresnel lens, is selected such that a bundled light output is generated by the second optical arrangement, in order to be able to additionally provide at least one radiator function on the elongate lighting device.

Das lösbare Anbringen der zweiten optischen Anordnung im Strahlengang hinter der ersten optischen Anordnung, anstatt eines Austausches von Leuchtmodulen, weist insbesondere den Vorteil auf, dass die bestehende Leuchtvorrichtung nicht strukturell verändert werden muss, um einen Bereich mit einer veränderten Abstrahlcharakteristik bereitstellen zu können. Auch sind keine elektrischen Kontaktierungen für die zweite optische Anordnung notwendig, da die zweite optische Anordnung das abgestrahlte Licht der länglichen Leuchtvorrichtung nutzt und keine eigenen aktiven Lichtquellen umfasst. Im Vergleich zu den bisher bekannten Lösungen kann somit auf einfache Weise eine längliche Leuchtvorrichtung mit einer weiteren Abstrahlcharakteristik, insbesondere einer Strahlerfunktion, bereitgestellt werden und dies unter Vermeidung der oben beschriebenen Nachteile.The detachable attachment of the second optical arrangement in the beam path behind the first optical arrangement, instead of an exchange of lighting modules, has the particular advantage that the existing lighting device does not need to be structurally changed in order to provide a region with a modified radiation characteristic can. Also, no electrical contacts are necessary for the second optical arrangement, since the second optical arrangement uses the radiated light of the elongated lighting device and does not comprise its own active light sources. In comparison to the previously known solutions, an elongated lighting device with a further emission characteristic, in particular a radiator function, can thus be provided in a simple manner and this while avoiding the disadvantages described above.

Vorzugsweise umfasst die längliche Leuchtvorrichtung ein Gehäuse, in dem bzw. an dem die zumindest eine Lichtquelle und die zumindest eine erste optische Anordnung fest angeordnet sind, wobei die Lichtquelle der länglichen Leuchtvorrichtung vorzugsweise ein längliches LED-Array oder eine längliche Leuchtstoffröhre ist. Dabei ist es besonders bevorzugt, dass die zweite optische Anordnung an dem Gehäuse der länglichen Leuchtvorrichtung oder an der ersten optischen Anordnung lösbar angeordnet ist bzw. angeordnet werden kann. In diesem Zusammenhang ist es weiterhin bevorzugt, dass die zweite optische Anordnung zumindest ein Rast-/Federelement aufweist, um diese lösbar mit einem korrespondierenden Rast-/Federelement des Gehäuses und/oder der ersten optischen Anordnung zu verbinden. Ferner ist es besonders bevorzugt, dass das Rast-/Federelement des Gehäuses und/oder der ersten optischen Anordnung sich im Wesentlichen über die gesamte Längserstreckung der länglichen Leuchtvorrichtung erstreckt, so dass die zweite optische Anordnung im Wesentlichen an der gesamten Längserstreckung der länglichen Leuchtvorrichtung lösbar anordenbar ist. Die Rast-/Federelemente sind vorzugsweise als Feder-Nut-Verbindungen, als Clips-Verbindungen und/oder als Federstift-Verbindungen ausgebildet.Preferably, the elongated lighting device comprises a housing in which the at least one light source and the at least one first optical arrangement are fixed, wherein the light source of the elongated lighting device is preferably an elongated LED array or an elongate fluorescent tube. It is particularly preferred that the second optical arrangement on the housing of the elongate lighting device or on the first optical arrangement is detachably arranged or can be arranged. In this context, it is further preferred that the second optical arrangement has at least one latching / spring element in order to releasably connect it to a corresponding latching / spring element of the housing and / or the first optical arrangement. Furthermore, it is particularly preferred that the latching / spring element of the housing and / or the first optical arrangement extends substantially over the entire longitudinal extension of the elongate lighting device, so that the second optical arrangement can be arranged detachably substantially over the entire longitudinal extent of the elongate lighting device is. The locking / spring elements are preferably designed as tongue and groove connections, as clip connections and / or as spring pin connections.

Vorteilhafterweise ist die zweite optische Anordnung in Längserstreckung der länglichen Leuchtvorrichtung gleitverschieblich am Gehäuse und/oder an der ersten optischen Anordnung angeordnet. Dies kann beispielsweise durch eine über die gesamte Längserstreckung der länglichen Leuchtvorrichtung vorgesehene Hinterschneidung/Rastnut erfolgen, an der die zweite optische Anordnung mittels korrespondierend ausgebildeter Rastmittel angeordnet werden kann.Advantageously, the second optical arrangement in the longitudinal extent of the elongated lighting device is slidably disposed on the housing and / or on the first optical arrangement. This can be done for example by an over the entire longitudinal extent of the elongated lighting device provided undercut / detent groove on which the second optical arrangement can be arranged by means of correspondingly formed locking means.

Ferner ist es besonders bevorzugt, dass die zweite optische Anordnung und/oder das Linsenelement der zweiten optischen Anordnung dreh- und/oder kippbar angeordnet ist, um die Lichtabstrahlrichtung des aus der zweiten optischen Anordnung austretenden Lichts verändern zu können. Eine derartige Beweglichkeit kann insbesondere durch Dreh- oder Kippmechanismen bereitgestellt werden. Beispielsweise kann es sich bei dem Linsenelement um eine Fresnellinse handeln, die drehbar an der zweiten optischen Anordnung, beispielsweise im Gehäuse der zweiten optischen Anordnung, befestigt ist.Furthermore, it is particularly preferred that the second optical arrangement and / or the lens element of the second optical arrangement is arranged rotatable and / or tiltable in order to be able to change the light emission direction of the light emerging from the second optical arrangement. Such mobility can be provided in particular by turning or tilting mechanisms. For example, the lens element may be a Fresnel lens, which is rotatably attached to the second optical arrangement, for example in the housing of the second optical arrangement.

Die zweite optische Anordnung umfasst vorzugsweise Lichtleitmittel, wie beispielsweise zumindest eine Reflektorfläche, und ein Linsenelement, das derart ausgebildet ist, um das in die zweite optische Anordnung eintretende Licht zum Linsenelement zu führen. Insbesondere können am oder im Gehäuse der zweiten optischen Anordnung reflektierende Beschichtungen/Oberflächen vorgesehen sein, um das von der Lichtquelle der länglichen Leuchtvorrichtung erhaltene Licht zum optischen Element der zweiten optischen Anordnung zu leiten. Alternativ oder zusätzlich besteht die Möglichkeit noch weitere Lichtleitmittel, wie Linsenanordnungen, Prismen, Lichtwellenleiter und dergleichen in der zweiten optischen Anordnung vorzusehen.The second optical arrangement preferably comprises light-guiding means, such as at least one reflector surface, and a lens element adapted to guide the light entering the second optical arrangement to the lens element. In particular, reflective coatings / surfaces can be provided on or in the housing of the second optical arrangement in order to guide the light obtained from the light source of the elongate lighting device to the optical element of the second optical arrangement. Alternatively or additionally, it is possible to provide further light-conducting means, such as lens arrangements, prisms, optical waveguides and the like in the second optical arrangement.

Die zweite optische Anordnung bzw. das Gehäuse der zweiten optischen Anordnung ist vorzugsweise im Wesentlichen trichterförmig, zylindrisch oder stabförmig ausgebildet. Bei einer im Wesentlichen trichterförmigen Ausbildung ist es besonders bevorzugt, dass es sich dabei um eine Trichterform mit einer rechteckförmigen Grundfläche handelt, die mit der Fläche der länglichen Leuchtvorrichtung korrespondiert, an der die zweite optische Anordnung an der länglichen Leuchtvorrichtung angeordnet ist/wird. Bei einer im Wesentlichen zylindrischen Ausbildung der zweiten optischen Anordnung besteht die Möglichkeit das optische Element der zweiten optischen Anordnung, beispielsweise ausgebildet als zylinderförmiges oder stabförmiges Lichtleitelement, derart auszubilden und in dem Zylinder drehbar anzuordnen, dass eine Lichtabgabe in Abhängigkeit der Winkelpositionierung des optischen Elements erfolgen kann. Zusätzlich oder alternativ besteht bei einer zylindrischen Ausbildung der zweiten optischen Anordnung ferner die Möglichkeit, die gesamte Anordnung drehbar an der länglichen Leuchtvorrichtung zu lagern und eine Lichtabgabe entsprechend der Winkelpositionierung der zweiten optischen Anordnung zu variieren.The second optical arrangement or the housing of the second optical arrangement is preferably substantially funnel-shaped, cylindrical or rod-shaped. In a substantially funnel-shaped embodiment, it is particularly preferred that this is a funnel shape with a rectangular base surface, which corresponds to the surface of the elongated lighting device on which the second optical arrangement is arranged on the elongate lighting device / is. In a substantially cylindrical design of the second optical arrangement, the possibility exists of the optical element of the second optical Arrangement, for example, designed as a cylindrical or rod-shaped light guide, such form and rotatably arranged in the cylinder that a light output can be carried out in dependence of the angular positioning of the optical element. Additionally or alternatively, in the case of a cylindrical design of the second optical arrangement, it is also possible to mount the entire arrangement rotatably on the elongate lighting device and to vary a light output according to the angular positioning of the second optical arrangement.

Die Lichteintrittsfläche der zweiten optischen Anordnung, an der Licht von der ersten optischen Anordnung in das zweite optische Element eintritt, weist in Draufsicht gesehen im Wesentlichen eine Rechteckform auf, wobei die Lichtaustrittsfläche der zweiten optischen Anordnung, an der Licht aus der zweiten optischen Anordnung austritt oder zum Linsenelement der zweiten optischen Anordnung geführt wird, in Draufsicht gesehen im Wesentlichen eine Kreisform aufweist.The light entrance surface of the second optical arrangement, at which light enters from the first optical arrangement into the second optical element, has a substantially rectangular shape when seen in plan view, the light exit area of the second optical arrangement, at which light emerges from the second optical arrangement or is guided to the lens element of the second optical arrangement, seen in plan view has substantially a circular shape.

Ferner betrifft die vorliegende Erfindung eine oben beschriebene zweite optische Anordnung, wobei die optische Anordnung eingerichtet ist, um an der länglichen Leuchtvorrichtung, die zumindest eine Lichtquelle und eine erste optische Anordnung umfasst, in Abstrahlrichtung hinter der ersten optischen Anordnung lösbar an der Leuchtvorrichtung angeordnet zu werden, und zwar derart, dass das aus der ersten optischen Anordnung austretende Licht teilweise in die zweite optische Anordnung eintreten kann, so dass die Leuchtvorrichtung Licht aus der ersten optischenFurthermore, the present invention relates to a second optical arrangement described above, wherein the optical arrangement is arranged to be arranged on the elongated lighting device comprising at least one light source and a first optical arrangement, releasably attached to the lighting device in the emission direction behind the first optical arrangement in such a way that the light emerging from the first optical arrangement can partly enter the second optical arrangement, so that the lighting device emits light from the first optical system

Anordnung und Licht aus der zweiten optischen Anordnung abgeben kann.Dispense arrangement and light from the second optical arrangement.

4. Beschreibung einer bevorzugten Ausführungsform4. Description of a preferred embodiment

Nachfolgend wird eine detaillierte Beschreibung der Figuren gegeben. Darin zeigt:

Figur 1
eine schematische Ansicht einer bevorzugten Ausführungsform einer erfindungsgemäßen zweiten optischen Anordnung, die an einer länglichen Leuchtvorrichtung lösbar befestigt werden kann;
Figur 2
eine schematische Ansicht einer bevorzugten Ausführungsform einer erfindungsgemäßen länglichen Leuchtvorrichtung, an der die zweite optische Anordnung aus Figur 1 befestigt ist;
Figur 3
eine schematische Teilansicht der in Figur 2 gezeigten länglichen Leuchtvorrichtung;
Figur 4
eine schematische Teilansicht der in Figur 2 gezeigten länglichen Leuchtvorrichtung.
Hereinafter, a detailed description of the figures will be given. It shows:
FIG. 1
a schematic view of a preferred embodiment of a second optical arrangement according to the invention, which can be releasably attached to an elongated lighting device;
FIG. 2
a schematic view of a preferred embodiment of an elongated lighting device according to the invention, on which the second optical arrangement of FIG. 1 is attached;
FIG. 3
a schematic partial view of in FIG. 2 shown elongated lighting device;
FIG. 4
a schematic partial view of in FIG. 2 shown elongated lighting device.

Figur 1 zeigt eine schematische Ansicht einer bevorzugten Ausführungsform einer erfindungsgemäßen zweiten optischen Anordnung 10, die in den Figuren 2 bis 4 an einer länglichen Leuchtvorrichtung 100 lösbar befestigt ist. FIG. 1 shows a schematic view of a preferred embodiment of a second optical arrangement 10 according to the invention, which in the FIGS. 2 to 4 is releasably secured to an elongated lighting device 100.

Die bevorzugte Ausführungsform der zweiten optischen Anordnung 10 umfasst einen im Wesentlichen trichterförmigen Grundkörper 11, wobei an einer zur Lichtabgabe vorgesehenen unteren Seite ein Linsenelement 12 in Form einer Fresnellinse angeordnet ist, die das Licht bündelt und mit einem linsenabhängigen Winkel zur senkrechten abgibt.The preferred embodiment of the second optical arrangement 10 comprises a substantially funnel-shaped main body 11, wherein a lens element 12 is arranged in the form of a Fresnel lens on a lower side provided for emitting light, which bundles the light and emits with a lens-dependent angle to the vertical.

An der dem Linsenelement 12 gegenüberliegenden Seite weist die optische Anordnung 10 zwei sich gegenüberliegende Rastnasen 13 auf, mit der die optische Anordnung 10 an der in den Figuren 2 bis 4 gezeigten länglichen Leuchtvorrichtung 100 lösbar befestigt werden kann. Im Übrigen ist die obere Seite der optischen Anordnung 10 offen ausgebildet, so dass in diesem Bereich Licht von der länglichen Leuchtvorrichtung 100 in die optische Anordnung 10 eintreten kann.On the opposite side of the lens element 12, the optical arrangement 10 has two opposing locking lugs 13, with which the optical arrangement 10 at the in the FIGS. 2 to 4 shown elongated lighting device 100 can be releasably secured. Incidentally, the upper side of the optical device 10 is formed open so that light from the elongated lighting device 100 can enter the optical device 10 in this region.

Wie in Figur 1 gut zu erkennen ist, ist die im oberen Bereich gebildete Lichteintrittsfläche, an Licht von der länglichen Leuchtvorrichtung 100 in die optische Anordnung 10 eintreten kann, in Draufsicht gesehen im Wesentlichen rechteckförmig ausgebildet. Die Lichtaustrittsfläche, an der Licht aus der optischen Anordnung 10 bzw. aus dem Linsenelement 12 austreten kann, ist in Draufsicht gesehen im Wesentlichen kreisförmig ausgebildet. Durch das Linsenelement 12 erfolgt eine Bündelung des in die optische Anordnung 10 eintretenden Lichts derart dass, die optische Anordnung 10 als Lichtpunktquellen, wie beispielsweise ein Strahlermodul oder ein Spot-Light-Modul, wahrgenommen wird und entsprechend verwendet werden kann.As in FIG. 1 can be clearly seen, the light entry surface formed in the upper region, can enter light from the elongated lighting device 100 in the optical assembly 10, seen in plan view formed substantially rectangular. The light exit surface, on which light can exit from the optical arrangement 10 or from the lens element 12, is substantially circular in plan view. The lens element 12 bundles the light entering the optical arrangement 10 such that the optical arrangement 10 is perceived as light point sources, such as a radiator module or a spotlight module, and can be used accordingly.

Im Inneren oder an der optischen Anordnung 10 (vorzugsweise im Grundkörper 11 der optischen Anordnung 10) können weiter optische Elemente, wie eine Reflektoranordnung, eine Linsenanordnung oder sonstige Lichtleitelemente vorgesehen sein, die dazu dienen, das an der oberen Lichteintrittsfläche eintretende Licht bis zum Linsenelement 12 zu führen, wo es aus der optischen Anordnung austreten kann. Das Linsenelement 12 ist vorzugsweise drehbar am Grundkörper 11 angeordnet, so dass die genaue Lichtabgaberichtung des Strahlungskegels entsprechend verändert werden kann. In diesem Zusammenhang kann es von Vorteil sein, noch weitere Schwenk- und/oder Kippeinrichtungen an der optischen Anordnung 10 bzw. am Linsenelement 12 vorzusehen, um die Lichtabgaberichtung noch weiter variieren zu können.In the interior or on the optical arrangement 10 (preferably in the base body 11 of the optical arrangement 10), further optical elements, such as a reflector arrangement, a lens arrangement or other light-guiding elements can be provided, which serve to light the light entering at the upper light entry surface up to the lens element 12 to lead it out of the optical arrangement can escape. The lens element 12 is preferably rotatably arranged on the base body 11, so that the exact light emission direction of the radiation cone can be changed accordingly. In this context, it may be advantageous to provide further pivoting and / or tilting devices on the optical arrangement 10 or on the lens element 12 in order to be able to vary the light emission direction even further.

Die gezeigte im Wesentlichen rechteckförmig ausgebildete Lichteintrittsfläche der optischen Anordnung 10 stellt eine besonders bevorzugte Form der Lichteintrittsfläche dar, da dadurch eine besonders einfache Anbringung der Lichteintrittsfläche an der länglichen Leuchtvorrichtung 100 erfolgen kann. Alternativ zur gezeigten im Wesentlichen trichterförmigen Ausbildung der optischen Anordnung 10 mit dem lichtaustrittsseitig angeordneten Linsenelement 12, besteht auch die Möglichkeit die optische Anordnung und/oder das Linsenelement im Wesentlichen zylindrisch auszubilden, beispielsweise mittels zylinderförmiger oder stabförmiger Lichtleitelementen. Dabei kann die optische Anordnung oder das Linsenelement der optischen Anordnung derart drehbar angeordnet werden, so dass eine Lichtabgabe in Abhängigkeit der Winkelpositionierung des Linsenelements oder der optischen Anordnung erfolgen kann.The illustrated substantially rectangular shaped light entry surface of the optical arrangement 10 represents a particularly preferred form of the light entry surface, as this can be done by a particularly simple attachment of the light entry surface on the elongated lighting device 100. As an alternative to the substantially funnel-shaped design of the optical arrangement 10 with the lens element 12 arranged on the light exit side, it is also possible to make the optical arrangement and / or the lens element essentially cylindrical, for example by means of cylindrical or rod-shaped light-guiding elements. In this case, the optical arrangement or the lens element of the optical arrangement can be arranged to be rotatable so that a light emission can occur depending on the angular positioning of the lens element or the optical arrangement.

Nachfolgend wird eine bevorzugte Ausführungsform einer erfindungsgemäßen länglichen Leuchtvorrichtung 100, an der die in Figur 1 gezeigte optische Anordnung 10 befestigt ist, im Zusammenhang mit den Figuren 2 bis 4 erläutert. Dieselben Teile sind mit denselben Bezugszeichen versehen.Hereinafter, a preferred embodiment of an elongate lighting device 100 according to the invention, in which the in FIG. 1 shown optical assembly 10 is attached, in connection with the FIGS. 2 to 4 explained. The same parts are provided with the same reference numerals.

Wie in den Figuren 2 bis 4 gut zu erkennen ist, umfasst die längliche Leuchtvorrichtung 100 lichtaustrittsseitig eine optische Anordnung 110 in Form von Diffusorelementen. Alternativ oder zusätzlich kann die längliche Leuchtvorrichtung 100 weitere optische Elemente/Einrichtungen umfassen, wie beispielsweise Reflektoranordnungen, Streuscheiben, Milchglassscheiben oder dergleichen. Die längliche Leuchtvorrichtung 100 umfasst weiterhin zumindest eine längliche Lichtquelle (nicht gezeigt), die hinter der optischen Anordnung 110 vorgesehen ist. Die optische Anordnung 110 und die zumindest eine Lichtquelle sind dabei in einem Gehäuse 113 der länglichen Leuchtvorrichtung 100 angeordnet.As in the FIGS. 2 to 4 As can be clearly seen, the elongate lighting device 100 comprises, on the light exit side, an optical arrangement 110 in the form of diffuser elements. Alternatively or additionally, the elongate lighting device 100 may comprise further optical elements / devices, such as, for example, reflector arrangements, diffusing screens, milk glass panes or the like. The elongated lighting device 100 further comprises at least one elongated light source (not shown) provided behind the optical assembly 110. The optical arrangement 110 and the at least one light source are arranged in a housing 113 of the elongate lighting device 100.

Wie in den Figuren 2 bis 4 ebenfalls gut zu erkennen ist, umfasst die längliche Leuchtvorrichtung 100 zwei gegenüberliegende Rastnuten 111, in die die korrespondierend ausgebildeten Rastnasen 13 der optischen Anordnung 10 eingerastet werden können und die optische Anordnung 10 somit an der länglichen Leuchtvorrichtung 100 befestigt werden kann. Die Rastnuten 111 der länglichen Leuchtvorrichtung 100 erstrecken sich dabei im Wesentlichen über die gesamte Längserstreckung der länglichen Leuchtvorrichtung 100, so dass die Positionierung der optischen Anordnung 10 im Wesentlichen frei wählbar ist.As in the FIGS. 2 to 4 can also be seen well, the elongated lighting device 100 comprises two opposing locking grooves 111, in which the correspondingly formed locking lugs 13 of the optical assembly 10 is engaged can be and thus the optical assembly 10 can be attached to the elongated lighting device 100. The latching grooves 111 of the elongated lighting device 100 extend substantially over the entire longitudinal extent of the elongated lighting device 100, so that the positioning of the optical arrangement 10 is essentially freely selectable.

Alternativ oder zusätzlich zu den gezeigten Rastverbindungen 13, 111 können auch andere Rast-/Federelement, Feder-Nut-Verbindungen, Clips-Verbindungen oder Federstift-Verbindungen vorgesehen werden, um die optische Anordnung 10 lösbar mit dem Gehäuse 113 oder mit der optischen Anordnung 110 der länglichen Leuchtvorrichtung 100 zu verbinden.Alternatively or in addition to the detent connections 13, 111 shown, other detent / spring element, tongue and groove connections, clip connections or spring pin connections can be provided in order to detach the optical arrangement 10 to the housing 113 or to the optical arrangement 110 the elongated lighting device 100 to connect.

Durch das lösbare Anbringen der optischen Anordnung 10 im Strahlengang hinter der optischen Anordnung 110 der länglichen Leuchtvorrichtung 100 kann somit eine einfache Möglichkeit bereitgestellt werden, eine längliche Leuchtvorrichtung 100 mit einer zusätzlichen Abstrahlcharakteristik bereitzustellen, ohne dass die bestehende Leuchtvorrichtung strukturell verändert werden müsste. Auch sind keine elektrischen Kontaktierungen notwendig, da die optische Anordnung 10 keine aktiven Lichtquellen benötigt und nur das abgestrahlte Licht der länglichen Leuchtvorrichtung 100 nutzt. Im Ergebnis kann somit auf einfache Weise eine längliche Leuchtvorrichtung mit einer weiteren Abstrahlcharakteristik, insbesondere einer Strahlerfunktion, bereitgestellt werden und dies unter Vermeidung der bekannten Nachteile. Auch besteht die Möglichkeit bereits eingebaute längliche Leuchtvorrichtungen auf einfache Weise mit einer zusätzlichen Abstrahlcharakteristik nachzurüsten.The detachable attachment of the optical arrangement 10 in the beam path behind the optical arrangement 110 of the elongated lighting device 100 thus provides an easy way to provide an elongated lighting device 100 with an additional radiation characteristic without having to structurally modify the existing lighting device. Also, no electrical contacts are necessary because the optical assembly 10 does not require active light sources and utilizes only the radiated light of the elongated light emitting device 100. As a result, an elongated lighting device with a further emission characteristic, in particular a radiator function, can thus be provided in a simple manner and this while avoiding the known disadvantages. It is also possible to retrofit already built-in elongated lighting devices in a simple way with an additional emission characteristics.

Die vorliegende Erfindung ist nicht auf das vorhergehende Ausführungsbeispiel beschränkt, solange sie vom Gegenstand der folgenden Ansprüche umfasst ist. Insbesondere ist anzumerken, dass die vorliegende Erfindung nicht auf eine spezielle Form der zweiten optischen Anordnung beschränkt ist.The present invention is not limited to the foregoing embodiment as long as it is encompassed by the subject matter of the following claims. In particular, it should be noted that the present invention is not limited to any particular form of the second optical arrangement.

Claims (14)

  1. An elongated lighting device (100), in particular, a strip-light luminaire, comprising:
    - at least one light source;
    - at least one first optical arrangement (110), which is arranged behind the light source in the emission direction of the light source;
    - at least one separate second optical arrangement (10), which is arranged detachably on the lighting device (100) in the emission direction of the light source behind the first optical arrangement (110), specifically in such a manner that the light emerging from the first optical arrangement (110) can partially enter into the second optical arrangement (10), so that the lighting device (100) can emit light from the first optical arrangement (110) and light from the second optical arrangement (10), characterized in that
    the second optical arrangement (10) focuses and directionally emits the light entering from the first optical arrangement (110); and wherein a light-entry surface of the second optical arrangement (10), on which light from the first optical arrangement (110) enters into the second optical arrangement (10), seen from above has substantially a rectangular shape, and wherein the light-emitting surface of the second optical arrangement (10), on which light exits from the second optical arrangement (10) or is guided to the lens element (12) of the second optical arrangement (10), seen from above has substantially a circular form.
  2. An elongated lighting device (100) according to Claim 1, wherein the lighting device (100) comprises a housing (113), in which or on which the at least one light source and the at least one first optical arrangement (110) are arranged.
  3. An elongated lighting device (100) according to any one of Claims 1 or 2, wherein the light source is an elongated LED array or an elongated fluorescent tube, and/or wherein the first optical arrangement (110) comprises a diffuser element, in particular, a diffusion disc, a reflector arrangement.
  4. An elongated lighting device (100) according to any one of the preceding claims, wherein the second optical arrangement (10) comprises at least a lens element (12), wherein the second optical arrangement comprises, in addition, preferably a light guiding means, such as, for example, a reflector arrangement, which is designed in such a manner to guide the light entering into the second optical arrangement (10) to the lens element (12), wherein the lens element (12) of the second optical arrangement (10) preferably comprises a Fresnel structure.
  5. An elongated lighting device (100) according to any one of the preceding claims, wherein the second optical arrangement (10) is designed substantially funnel-shaped, cylindrical or rod-shaped.
  6. An elongated lighting device (100) according to any one of the preceding claims, wherein the second optical arrangement (10) and/or the lens element (12) of the second optical arrangement (10) is arranged in a rotatable and/or tiltable manner, in order to be able to change the light emission direction of the light emerging from the second optical arrangement (10).
  7. An elongated lighting device (100) according to any one of Claims 2 to 6, wherein the second optical arrangement (10) is detachably arranged on the housing (113) of the elongated lighting device (100) or on the first optical arrangement (110), wherein the second optical arrangement (10) preferably has at least one latching- / spring element (13), in order to connect the second optical arrangement (10) detachably with a corresponding latching- / spring element (111) of the housing (113) and/or of the first optical arrangement (110),
    wherein preferably the latching- / spring element (111) of the housing (113) and/or the first optical arrangement (110) extends substantially over the entire longitudinal extent of the elongated lighting device (100), so that the second optical arrangement (10) can be arranged detachably substantially on the entire longitudinal extent of the elongated lighting device (100), wherein preferably the latching- / spring elements (13, 111) are designed as spring-groove connections, as clip connections and/or as spring-pin connections.
  8. An elongated lighting device (100) according to any one of the preceding claims, wherein the second optical arrangement (10) is arranged in the longitudinal extent in a slideable manner on the housing (113) and/or on the first optical arrangement (110).
  9. An optical arrangement (10) for mounting on an elongated lighting device (100), in particular, on a strip-light luminaire, wherein the optical arrangement (10) is configured, in order to be arranged detachably on the elongated lighting device (100), which comprises at least one light source and a first optical arrangement (110), in the emission direction behind the first optical arrangement (110) on the lighting device (100), specifically in such a manner that the light emerging from the first optical arrangement (110) can partially enter into the optical arrangement (10), such that the lighting device (100) can emit light from the first optical arrangement (110) and can emit light from the optical arrangement (10), characterized in that
    the optical arrangement (10) is configured to focus and directionally emit the light entering from the first optical arrangement (110); and wherein a light-entry surface of the second optical arrangement (10), on which light from the first optical arrangement (110) can enter into the optical arrangement (10), seen from above has substantially a rectangular shape, and wherein a light-emitting surface of the optical arrangement (10), on which light can exit from the optical arrangement (10) or can be guided to the lens element (12) of the optical arrangement (10), seen from above has substantially a circular form.
  10. An optical arrangement (10) according to Claim 9,
    wherein the optical arrangement (10) comprises at least one lens element (12) and preferably light guiding means, such as, for example, a reflector surface, which is designed in such a manner to be able to guide the light entering into the optical arrangement (10) to the lens element (12), wherein, preferably the lens element (12) of the optical arrangement (10) comprises a Fresnel structure.
  11. An optical arrangement (10) according to any one of Claims 9 or 10, wherein the optical arrangement (10) is designed substantially funnel-shaped, cylindrical or rod-shaped.
  12. An optical arrangement (10) according to any one of Claims 9 to 11, wherein the optical arrangement (10) and/or the lens element (12) of the optical arrangement (10) is arranged in a rotatable and/or tiltable manner, in order to be able to change the light emission direction of the light emerging from the optical arrangement (10).
  13. An optical arrangement (10) according to any one of Claims 9 to 12, wherein the optical arrangement (10) can be detachably arranged on a housing of the elongated lighting device (100) or on the first optical arrangement (110),
    wherein the optical arrangement (10) preferably comprises at least one latching- / spring element (13), in order to connect the optical arrangement (10) detachably with a corresponding latching- / spring element (111) of the housing (113) and/or of the first optical arrangement (110), wherein preferably the at least one latching- / spring element (13) is designed as a spring-groove connection, as a clip connection and/or as a spring pin connection.
  14. An optical arrangement (10) according to Claim 13, wherein the optical arrangement (10) can be arranged in the longitudinal extent in a slideable manner on the housing (113) and/or on the first optical arrangement (110).
EP16166564.1A 2015-04-30 2016-04-22 Lighting device Active EP3088795B1 (en)

Applications Claiming Priority (1)

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DE102015207987.2A DE102015207987A1 (en) 2015-04-30 2015-04-30 lighting device

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EP3088795A1 EP3088795A1 (en) 2016-11-02
EP3088795B1 true EP3088795B1 (en) 2018-03-14

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Publication number Priority date Publication date Assignee Title
CN110906189A (en) * 2018-09-17 2020-03-24 光宝电子(广州)有限公司 Lighting device

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US7510305B2 (en) * 2004-06-18 2009-03-31 Abl Ip Holding Llc Air-handling light fixture and lens assembly for same
DE102005007347A1 (en) * 2005-02-17 2006-08-31 Zumtobel Staff Gmbh Luminaire with elongated light source and light influencing element
MX2011004552A (en) * 2008-10-31 2011-05-25 Code 3 Inc Light fixture with inner and outer trough reflectors.
CN101749638B (en) * 2008-11-28 2012-06-13 富士迈半导体精密工业（上海）有限公司 Indoor lamp
WO2010106470A1 (en) * 2009-03-18 2010-09-23 Koninklijke Philips Electronics N.V. Lighting system for a freezer cabinet and/or a refrigerator cabinet
DE202010008598U1 (en) * 2010-09-21 2011-12-28 Zumtobel Lighting Gmbh Optical system and luminaire for direct and indirect lighting
DE102011082844A1 (en) * 2011-09-16 2013-03-21 Zumtobel Lighting Gmbh Lighting arrangement, in particular for escape route lighting
JP3174652U (en) * 2012-01-20 2012-03-29 大凡設計顧問有限公司 Cover structure
DE102012006999A1 (en) * 2012-04-10 2013-10-10 Erco Gmbh lamp
DE102012209345A1 (en) * 2012-06-04 2013-12-05 Ridi - Leuchten Gmbh Luminaire, in particular for a light band
DE202013010408U1 (en) * 2013-11-19 2015-02-20 Zumtobel Lighting Gmbh Luminaire optics and continuous line luminaire

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EP3088795A1 (en) 2016-11-02
AT16244U1 (en) 2019-05-15

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