EP1557604A1 - Lighting system - Google Patents

Lighting system Download PDF

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Publication number
EP1557604A1
EP1557604A1 EP04001178A EP04001178A EP1557604A1 EP 1557604 A1 EP1557604 A1 EP 1557604A1 EP 04001178 A EP04001178 A EP 04001178A EP 04001178 A EP04001178 A EP 04001178A EP 1557604 A1 EP1557604 A1 EP 1557604A1
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EP
European Patent Office
Prior art keywords
light source
radiation
reflector
lighting
light
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Granted
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EP04001178A
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German (de)
French (fr)
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EP1557604B1 (en
Inventor
Martin Dr. Kirsten
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BaeRo GmbH and Co KG
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BaeRo GmbH and Co KG
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Priority to DE502004001097T priority Critical patent/DE502004001097D1/en
Priority to ES04001178T priority patent/ES2270184T3/en
Priority to EP04001178A priority patent/EP1557604B1/en
Priority to AT04001178T priority patent/ATE335160T1/en
Priority to DK04001178T priority patent/DK1557604T3/en
Publication of EP1557604A1 publication Critical patent/EP1557604A1/en
Application granted granted Critical
Publication of EP1557604B1 publication Critical patent/EP1557604B1/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00Lighting devices intended for fixed installation
    • F21S8/04Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • 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
    • F21Y2113/00Combination of light sources
    • 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 present invention relates to a lighting system with at least one bulb to use land illuminate and at the same time a body color of it emphasize arranged objects. Furthermore it concerns the present invention is a method of lighting of usable areas and to be accentuated on body colors Objects through a lighting system with at least one light source.
  • Lighting systems are used in which modern, effective bulbs with a high light output such as metal halide lamps in the Light colors warm white (3000 K), neutral white (about 4000 K) and daylight (about 6500 K) are used. the goal is it always, the usable areas evenly with little effort and with a high general color rendering index, which reproduces all body colors as evenly as possible, illuminate.
  • the above bulbs emit while a radiation, in the light spectrum all light colors shares are evenly present.
  • the narrow band filters used become common manufactured as an interference filter, and their function requires a variety of interference layers.
  • the lamp and the filter element aligned at a certain angle to each other which gives flexibility in terms of construction limited such a lighting system is.
  • a lighting system to provide at saturation one or more body colors can be strengthened, without losing the useful lighting efficiency of the lighting system herabzusenken.
  • This object is achieved in that in the lighting system to change by the Illuminant on the effective surface radiated light spectrum at least one single-color emitting light source is provided in addition to the lighting means.
  • the invention is therefore based on the consideration in the Lighting system in addition to the useful area illuminating Bulbs, which radiation with a emit high general color rendering index, in their light spectrum all light color components approximately evenly are present, at least one monochrome, ie in a very narrow spectral range emitting light source use.
  • the radiation of the monochrome emitting light source to the radiation of Illuminant becomes the color saturation of the corresponding Body color, which is also within of the bulb emitted light spectrum is present, amplified, so that it is emphasized.
  • the light spectrum of Illuminant be admixed.
  • a lighting system with, for example, in each case in two spectral ranges Provide emitting light sources, as appropriate emphasizing spectral range one or the other Light source can be switched on alternatively.
  • the monochrome emitting light sources in one Embodiment adjacent and parallel to the Lamps above the floor space next to each other arranged.
  • the admixture of the radiation of the monochrome emitting light source to the radiation of Illuminant then takes place below the lighting system.
  • a further embodiment of the invention provides that monochrome emitting light sources on the reflector to arrange itself and thus a closed unit in the form of a lighting module. It can the monochrome emitting light sources directly into the Irradiate reflector space, so that the mixing of the Radiation of the monochromatic light source and the Radiation of the bulb within the reflector takes place.
  • This modular structure allows a very simple as well as flexible, to the external conditions easily adaptable mounting of the lighting system according to the invention.
  • the lighting system composed of any number of lighting modules be.
  • a particularly effective single-color emitting light source with high efficiency and low maintenance costs represents a light emitting diode (LED) represents.
  • LED light emitting diode
  • a light source in the form of a metal halide lamp or a sodium vapor lamp with to provide improved color reproduction.
  • These lamp types provide modern, effective light sources with a high Luminous efficacy. But it can also be conventional lamp types used in the lighting system according to the invention become.
  • the Illuminant 2a may be an incandescent lamp or a high-pressure gas discharge lamp with improved color rendering, for example a high pressure sodium vapor lamp with improved Color rendering or a metal halide lamp be.
  • the illuminant of a mirror reflector 3 surrounded to a possible uniform illumination of one under the lighting system 1 arranged usable area 5 to achieve.
  • the surface of the mirror reflector 3 may be made of aluminum or Silver exist or formed as cold light mirror coating be. The latter acts selectively, i. he reflects only the light rays in the visible range, while He transmits the heat radiation in the infrared range.
  • LEDs 4 have the task the light spectrum, which of the lighting means 2a on the usable area 5 or on objects arranged thereon (not shown) is irradiated, to that effect change that a color saturation of a body color whose Spectral range that of the light emitting diodes. 4 emitted radiation is amplified.
  • the LEDs 4 are so right and left of the Luminaire 2 arranged symmetrically to each other, that the admixture the radiation emitted by the LEDs 4 radiation to the radiation of the luminous means 2a below the lighting system 1 in an area that is about the half the distance between lighting system 1 and usable area 5 corresponds, takes place.
  • FIG. 2 shows a lighting installation according to the invention 1, in which the lighting means 2a in the form of a high-pressure gas discharge lamp surrounded by a box reflector 6 is. Symmetrically four LEDs 4 are adjacent arranged, in each case two left and two right side of the lamp 2.
  • the side reflectors 7 of the box reflector 6 generate in the longitudinal direction the effective area 5 to be illuminated, i. transverse to the longitudinal direction the high-pressure gas discharge lamp 2a, a Batwing light distribution 8, which is an illumination of a large area of the floor space 5 with only one gas discharge lamp 2a allows.
  • the floor space 5 and the lighting system 1 point in This embodiment, the distance h to each other.
  • the light emitting diodes 4 with the distance x h ⁇ tan ⁇ arranged to each other, in order accordingly the intensity distribution curve 9 of the respective LEDs 4 as uniform as possible illumination and thus a uniform reinforcement of body colors to reach 5 on the floor space.
  • FIG 3 is a cross section through an inventive Illumination module shown.
  • the lighting module has a lighting means 2a in the form of an in-lying Burning arranged high-pressure gas discharge lamp, which of a Batwing light distribution generating Box reflector 6 is surrounded.
  • the box reflector 6 is conventional design with side reflectors 7, the Light emission through the bottom opening 10 of the box reflector 6 in the transverse direction to be illuminated Limit and concentrate objects on the usable area 5, whereby a particularly homogeneous illumination of Usable areas and thus the Nutzbeleuchtungs Signsgrad is increased.
  • the area of the box reflector 6 above the high pressure gas discharge lamp 2a is a cold mirror 3 designed to reduce the heat radiation.
  • Shield 11 is provided below the high pressure gas discharge lamp 2a, which directs a light emission on the immediately below the high pressure gas discharge lamp 2a located area of the illuminated Usable area 5 should decrease to this way too high concentrations of light, resulting in damage to the goods can lead to avoid.
  • the shield 11 may for a residual light passage through holes (not shown) and has at her to High pressure gas discharge lamp 2a facing side a reflective Surface, which is also selectively reflective can be to filter out certain color components.

Abstract

A source (4) of light, e.g. an LED, in addition to a luminous device (2) emits a single color so as to alter a light spectrum beamed onto a useful surface (5) through a lighting device (2a) like a halogen metal vapor discharge lamp or sodium discharge lamp with improved color reproduction. An independent claim is also included for a method for illuminating useful surfaces.

Description

Die vorliegende Erfindung betrifft eine Beleuchtungsanlage mit mindestens einem Leuchtmittel, um Nutzflächen zu beleuchten und gleichzeitig eine Körperfarbe von darauf angeordneten Objekten zu betonen. Des weiteren betrifft die vorliegende Erfindung ein Verfahren zur Beleuchtung von Nutzflächen und zur Betonung von Körperfarben anzustrahlender Objekte durch eine Beleuchtungsanlage mit mindestens einem Leuchtmittel.The present invention relates to a lighting system with at least one bulb to use land illuminate and at the same time a body color of it emphasize arranged objects. Furthermore it concerns the present invention is a method of lighting of usable areas and to be accentuated on body colors Objects through a lighting system with at least one light source.

Zur Beleuchtung von Nutzflächen wie Warenpräsentationsflächen werden Beleuchtungsanlagen verwendet, in denen moderne, effektive Leuchtmittel mit einer hohen Lichtausbeute wie beispielsweise Halogen-Metalldampflampen in den Lichtfarben Warmweiß (3000 K), Neutralweiß (ca. 4000 K) und Tageslicht (ca. 6500 K) eingesetzt werden. Ziel ist es stets, die Nutzflächen mit geringem Aufwand gleichmäßig und mit einem hohen allgemeinen Farbwiedergabeindex, der alle Körperfarben möglichst gleichmäßig wiedergibt, auszuleuchten. Die oben genannten Leuchtmittel emittieren dabei eine Strahlung, in deren Lichtspektrum alle Lichtfarbenanteile gleichmäßig vorhanden sind. For illuminating usable areas such as goods display areas Lighting systems are used in which modern, effective bulbs with a high light output such as metal halide lamps in the Light colors warm white (3000 K), neutral white (about 4000 K) and daylight (about 6500 K) are used. the goal is it always, the usable areas evenly with little effort and with a high general color rendering index, which reproduces all body colors as evenly as possible, illuminate. The above bulbs emit while a radiation, in the light spectrum all light colors shares are evenly present.

Bei der Beleuchtung von Warenpräsentationsflächen in Verkaufsräumen ist es oftmals erwünscht, die Farbsättigung von bestimmten Körperfarben zu erhöhen.In the illumination of goods display areas in sales rooms it is often desirable to have the color saturation of certain body colors increase.

Aus der DE 35 158 879 C1 ist hierzu bekannt, eine Leuchte mit einer Filtereinrichtung einzusetzen, um zur Betonung einer Warmtonfarbe Orange, Rot und Purpur die entsprechende Komplementärfarbe in dem Spektralbereich von 480 bis 570 nm wegzufiltern. Die Filterung in diesem relativ engen Spektralbereich hat Filtertransmissionskurven mit steilen Filterkanten zur Folge. Des weiteren wird nicht nur die zu betonende Körperfarbe verstärkt, sondern auch die Lichtfarbe an sich stark verändert, so daß ein gegebenenfalls weißes Umfeld in unerwünschter Weise rötlich eingefärbt wird.From DE 35 158 879 C1 this is known, a lamp use with a filter device to emphasize a warm tone orange, red and purple the corresponding Complementary color in the spectral range of 480 Filter away up to 570 nm. The filtering in this relative narrow spectral range has filter transmission curves steep filter edges result. Furthermore, it will not only strengthens the body color to be emphasized, but also the light color itself changes greatly, so that an optionally white environment undesirably reddish is colored.

Die verwendeten schmalbandigen Filter werden üblicherweise als Interferenzfilter hergestellt, und ihre Funktion erfordert eine Vielzahl von Interferenzschichten.The narrow band filters used become common manufactured as an interference filter, and their function requires a variety of interference layers.

Während die Verwendung solcher Filter in Leuchten, deren Lampen ein kontinuierliches Lichtspektrum ausstrahlen wie beispielsweise Halogenlampen, relativ unproblematisch ist, erweist sich die Verwendung einer solchen Filteranordnung problematisch, wenn Lampen zum Einsatz kommen, die ein Linienspektrum erzeugen. Insbesondere bei der Verwendung einer Natriumdampfhochdrucklampe mit verbesserter Farbwiedergabe, mit deren Lichtspektrum mittels einer Filteranordnung eine Rotbetonung erfolgen soll, fällt das Transmissionsminimum der Filterkurve mit einer steilen Flanke im Lichtspektrum dieser Lampe zusammen, so daß sich Toleranzen in der Filterherstellung, die unvermeidbar sind, sehr stark auswirken.While the use of such filters in lights whose Lamps emit a continuous spectrum of light like For example, halogen lamps, relatively easy is, proves the use of such a filter assembly problematic when lamps are used, which produce a line spectrum. Especially at the Use of a high pressure sodium vapor lamp with improved Color rendering, with their light spectrum by means of a filter arrangement should be red emphasized, falls the transmission minimum of the filter curve with a steep flank in the light spectrum of this lamp together, so that tolerances in filter production, the inevitable are, very strong impact.

Ein weiteres Problem besteht darin, daß die Wirkung von Interferenzfiltern in starkem Maße vom Winkel des eingestrahlten Lichts abhängig ist. In der EP 1 122 488 B1 wird dieser Problematik dahingehend entgegengetreten, daß die Filtereinrichtung zusätzlich einen Teil des Farbanteils der zu betonenden Körperfarbe selbst wegfiltert. Das Wegfiltern dieses Farbanteils hat zur Folge, daß die Lichtfarbe derart beeinflußt wird, daß ein weißes Umfeld weniger oder gar nicht mehr eingefärbt wird, d.h. der weiße Hintergrund im wesentlichen weiß bleibt.Another problem is that the effect of Interference filters to a large extent from the angle of the irradiated Light is dependent. In EP 1 122 488 B1 This problem is countered to the effect that the filter device additionally a part of the color component the body color to be emphasized filters itself away. The Wegfiltern this color content has the consequence that the Light color is influenced such that a white environment less or no longer colored, i. of the white background essentially remains white.

Durch das Vorsehen von Filterelementen ist es jedoch notwendig, Lichtquellen einzusetzen, die in ihrem Spektrum einen erhöhten Rotanteil haben, wie beispielsweise Glühlampen oder Halogenglühlampen.However, by providing filter elements, it is necessary Use light sources that are in their spectrum have an increased proportion of red, such as incandescent lamps or halogen bulbs.

Des weiteren müssen das Leuchtmittel und das Filterelement in einem bestimmten Winkel zueinander ausgerichtet werden, wodurch die Flexibilität bezüglich des Aufbaus einer derartig ausgerüsteten Beleuchtungsanlage eingeschränkt ist.Furthermore, the lamp and the filter element aligned at a certain angle to each other which gives flexibility in terms of construction limited such a lighting system is.

Durch den Einsatz von Filtern wird des weiteren nachteilig Licht absorbiert. Das herausgefilterte Licht geht einfach verloren, wodurch der Nutzbeleuchtungswirkungsgrad der Beleuchtungsanlage verringert wird.The use of filters is further disadvantageous Absorbed light. The filtered out light goes simply lost, reducing the utility lighting efficiency the lighting system is reduced.

Es ist daher Aufgabe der vorliegenden Erfindung, eine Beleuchtungsanlage bereitzustellen, bei der eine Sättigung einer oder mehrerer Körperfarben verstärkt werden kann, ohne dabei den Nutzbeleuchtungswirkungsgrad der Beleuchtungsanlage herabzusenken.It is therefore an object of the present invention, a lighting system to provide at saturation one or more body colors can be strengthened, without losing the useful lighting efficiency of the lighting system herabzusenken.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß in der Beleuchtungsanlage zur Veränderung des durch das Leuchtmittel auf die Nutzfläche eingestrahlten Lichtspektrums mindestens eine einfarbig emittierende Lichtquelle zusätzlich zu dem Leuchtmittel vorgesehen ist.This object is achieved in that in the lighting system to change by the Illuminant on the effective surface radiated light spectrum at least one single-color emitting light source is provided in addition to the lighting means.

Der Erfindung liegt somit die Überlegung zugrunde, in die Beleuchtungsanlage zusätzlich zu den die Nutzfläche ausleuchtenden Leuchtmitteln, welche eine Strahlung mit einem hohen allgemeinen Farbwiedergabeindex emittieren, in deren Lichtspektrum alle Lichtfarbanteile etwa gleichmäßig vorhanden sind, mindestens eine einfarbig, also in einem sehr engen Spektralbereich emittierende Lichtquelle einzusetzen. Durch die Zumischung der Strahlung der einfarbig emittierenden Lichtquelle zu der Strahlung des Leuchtmittels wird die Farbsättigung der entsprechenden Körperfarbe, welche auch innerhalb des von dem Leuchtmittel emittierten Lichtspektrums vorhanden ist, verstärkt, so daß diese betont wird. Weiterhin kann so auch eine Körperfarbe, die ggf. nicht innerhalb des Lichtspektrums des Leuchtmittels vorhanden ist, dem Lichtspektrum des Leuchtmittels zugemischt werden.The invention is therefore based on the consideration in the Lighting system in addition to the useful area illuminating Bulbs, which radiation with a emit high general color rendering index, in their light spectrum all light color components approximately evenly are present, at least one monochrome, ie in a very narrow spectral range emitting light source use. By mixing the radiation of the monochrome emitting light source to the radiation of Illuminant becomes the color saturation of the corresponding Body color, which is also within of the bulb emitted light spectrum is present, amplified, so that it is emphasized. Furthermore, so can one Body color that may not be within the light spectrum of the illuminant is present, the light spectrum of Illuminant be admixed.

Wenn mehrere verschiedenartige Körperfarben betont werden sollen, ist es auch möglich, entsprechende einfarbig emittierende Lichtquellen aus unterschiedlichen Spektralbereichen vorzusehen. Sollen beispielsweise zwei Körperfarben verstärkt werden, so ist es möglich, zwei einfarbig emittierende Lichtquellen vorzusehen, die jeweils Strahlung entsprechend der zu verstärkenden Spektren emittieren.When emphasizing several different body colors it is also possible to have corresponding monochrome emitting light sources from different spectral ranges provided. For example, should two body colors be strengthened, so it is possible two monochromatic to provide emitting light sources, respectively Radiation according to the spectra to be amplified emit.

Des weiteren ist es auch möglich, eine Beleuchtungsanlage mit beispielsweise jeweils in zwei Spektralbereichen emittierenden Lichtquellen vorzusehen, wobei je nach zu betonendem Spektralbereich die eine oder die andere Lichtquelle alternativ zugeschaltet werden kann.Furthermore, it is also possible to have a lighting system with, for example, in each case in two spectral ranges Provide emitting light sources, as appropriate emphasizing spectral range one or the other Light source can be switched on alternatively.

Um einen möglichst großen Bereich der Nutzfläche ausleuchten und dabei eine Körperfarbe betonen zu können, sind die einfarbig emittierenden Lichtquellen in einem Ausführungsbeispiel benachbart und parallel zu den Leuchtmitteln oberhalb der Nutzfläche nebeneinander liegend angeordnet. Die Zumischung der Strahlung der einfarbig emittierenden Lichtquelle zu der Strahlung des Leuchtmittels erfolgt dann unterhalb der Beleuchtungsanlage.To illuminate the largest possible area of the usable area and be able to emphasize a body color, are the monochrome emitting light sources in one Embodiment adjacent and parallel to the Lamps above the floor space next to each other arranged. The admixture of the radiation of the monochrome emitting light source to the radiation of Illuminant then takes place below the lighting system.

Der Abstand x zwischen zwei einfarbig emittierenden Lichtquellen, deren Strahlung sich im Bereich von h/2 kreuzen soll, berechnet sich dabei vorzugsweise aus x = h · tan α, wobei h den Abstand zwischen Nutzfläche und Beleuchtunsanlage und α der Strahlungswinkel der einfarbig emittierenden Lichtquelle darstellen. Durch diese Anordnung wird eine optimale Ausnutzung der Intensität der emittierten Strahlung der einfarbig emittierenden Lichtquelle erreicht.The distance x between two monochromatic emitting Light sources whose radiation is in the range of h / 2 should cross, preferably calculated from x = h · tan α, where h is the distance between usable area and Beleuchtungunsanlage and α the radiation angle of the monochrome represent emitting light source. Through this Arrangement will be optimal utilization of intensity the emitted radiation of monochromatic emitting Light source reached.

Es ist zweckmäßig, zur Erzielung einer besonders homogenen Ausleuchtung der Nutzflächen und zur Steigerung des Nutzbeleuchtungswirkungsgrades das Leuchtmittel von einem Reflektor, insbesondere einem eine Batwing-Lichtverteilung erzeugenden Kastenreflektor, zu umgeben. Durch die Reflexion des Kastenreflektors wird ein hoher Nutzbeleuchtungswirkungsgrad erzielt und eine homogene Ausbreitung der von dem Leuchtmittel abgegebenen Strahlung erzeugt.It is expedient to achieve a particularly homogeneous Illumination of the usable areas and to increase the Utility lighting efficiency of one light source Reflector, in particular a Batwing light distribution generating box reflector to surround. By the reflection of the box reflector becomes a high lighting efficiency achieved and a homogeneous spread generates the radiation emitted by the lamp radiation.

Eine weitere Ausführungsform der Erfindung sieht vor, die einfarbig emittierenden Lichtquellen an dem Reflektor selbst anzuordnen und dadurch eine geschlossene Einheit in Form eines Beleuchtungsmoduls zu bilden. Dabei können die einfarbig emittierenden Lichtquellen direkt in den Reflektorraum einstrahlen, so daß die Vermischung der Strahlung der einfarbig emittierenden Lichtquelle und der Strahlung des Leuchtmittels innerhalb des Reflektors erfolgt. Dieser modulartige Aufbau ermöglicht eine sehr einfache sowie flexible, an die äußeren Bedingungen leicht anpaßbare Montage der erfindungsgemäßen Beleuchtungsanlage. A further embodiment of the invention provides that monochrome emitting light sources on the reflector to arrange itself and thus a closed unit in the form of a lighting module. It can the monochrome emitting light sources directly into the Irradiate reflector space, so that the mixing of the Radiation of the monochromatic light source and the Radiation of the bulb within the reflector takes place. This modular structure allows a very simple as well as flexible, to the external conditions easily adaptable mounting of the lighting system according to the invention.

Je nach Ausdehnung der Nutzfläche kann die Beleuchtungsanlage aus beliebig vielen Beleuchtungsmudulen zusammengesetzt sein.Depending on the extent of the usable area, the lighting system composed of any number of lighting modules be.

Eine besonders effektive einfarbig emittierende Lichtquelle mit einem hohen Wirkungsgrad und geringen Wartungskosten stellt eine Licht emittierende Diode (LED) dar.A particularly effective single-color emitting light source with high efficiency and low maintenance costs represents a light emitting diode (LED) represents.

Es ist zweckmäßig, ein Leuchtmittel in Form einer Halogen-Metalldampflampe oder einer Natrium-Dampflampe mit verbesserter Farbwiedergabe vorzusehen. Diese Lampentypen stellen moderne, effektive Lichtquellen mit einer hohen Lichtausbeute dar. Es können aber auch herkömmliche Lampentypen in die erfindungsgemäße Beleuchtungsanlage eingesetzt werden.It is expedient, a light source in the form of a metal halide lamp or a sodium vapor lamp with to provide improved color reproduction. These lamp types provide modern, effective light sources with a high Luminous efficacy. But it can also be conventional lamp types used in the lighting system according to the invention become.

Hinsichtlich weiterer Vorteile und Ausbildungen der Erfindung wird auf die Unteransprüche sowie auf die nachfolgende Beschreibung eines Ausführungsbeispiels unter Bezugnahme auf die beiliegende Zeichnung verwiesen. In der Zeichnung zeigt:

Figur 1
eine Beleuchtungsanlage gemäß der vorliegenden Erfindung, bei der eine Zumischung der Strahlung zweier einfarbig emittierender Lichtquellen zu der Strahlung eines herkömmlichen, von einem Reflektor umgebenen Leuchtmittels unterhalb der Beleuchtungsanlage erfolgt;
Figur 2
eine erfindungsgemäße Beleuchtungsanlage, in der ein eine Batwing-Lichtverteilung erzeugender Kastenreflektor das Leuchtmittel umgibt und Leuchtdioden benachbart zu dem Leuchtmittel angeordnet sind; und
Figur 3
einen Querschnitt durch ein erfindungsgemäßes Beleuchtungsmodul.
With regard to further advantages and embodiments of the invention, reference is made to the dependent claims and to the following description of an embodiment with reference to the accompanying drawings. In the drawing shows:
FIG. 1
a lighting system according to the present invention, in which an admixing of the radiation of two single-color emitting light sources to the radiation of a conventional, surrounded by a reflector bulb below the lighting system takes place;
FIG. 2
a lighting installation according to the invention, in which a box-type reflector producing a batwing light distribution surrounds the luminous means and light-emitting diodes are arranged adjacent to the luminous means; and
FIG. 3
a cross section through an inventive lighting module.

Die Figur 1 zeigt schematisch eine erfindungsgemäße Beleuchtungsanlage 1, die beispielsweise an einer Decke montiert ist. Sie umfaßt eine Leuchte 2, deren Leuchtmittel 2a eine Strahlung mit einem hohen allgemeinen Farbwiedergabeindex emittiert, in deren Lichtspektrum alle Lichtfarbenanteile etwa gleichmäßig vorhanden sind. Das Leuchtmittel 2a kann eine Glühlampe oder eine Hochdruck-Gasentladungslampe mit verbesserter Farbwiedergabe, beispielsweise eine Natriumdampfhochdrucklampe mit verbesserter Farbwiedergabe oder eine Metall-Halogendampflampe sein. In dieser Ausführungsform ist das leuchtmittel von einem Spiegelreflektor 3 umgeben, um eine möglichst gleichmäßige Ausleuchtung einer unter der Beleuchtungsanlage 1 angeordneten Nutzfläche 5 zu erreichen. Die Oberfläche des Spiegelreflektors 3 kann aus Aluminium oder Silber bestehen oder auch als Kaltlichtspiegelbelag ausgebildet sein. Letzterer wirkt selektiv, d.h. er reflektiert nur die Lichtstrahlen im sichtbaren Bereich, während er die wärmestrahlung im Infrarotbereich durchläßt. 1 shows schematically a lighting system according to the invention 1, for example, on a ceiling is mounted. It comprises a lamp 2, the lighting means 2a shows a radiation with a high general color rendering index emitted, in the light spectrum of all Light color shares are approximately evenly present. The Illuminant 2a may be an incandescent lamp or a high-pressure gas discharge lamp with improved color rendering, for example a high pressure sodium vapor lamp with improved Color rendering or a metal halide lamp be. In this embodiment, the illuminant of a mirror reflector 3 surrounded to a possible uniform illumination of one under the lighting system 1 arranged usable area 5 to achieve. The surface of the mirror reflector 3 may be made of aluminum or Silver exist or formed as cold light mirror coating be. The latter acts selectively, i. he reflects only the light rays in the visible range, while He transmits the heat radiation in the infrared range.

Rechts und links von der Leuchte 2 sind einfarbig emittierende Lichtquellen in Form von Leuchtdioden 4 symmetrisch angeordnet. Die Leuchtdioden 4 haben die Aufgabe, das Lichtspektrum, welches von dem Leuchtmittel 2a auf die Nutzfläche 5 bzw. auf darauf angeordnete Objekte (nicht dargestellt) eingestrahlt wird, dahingehend zu verändern, daß eine Farbsättigung einer Körperfarbe, deren Spektralbereich dem der durch die Leuchtdioden 4 emittierten Strahlung entspricht, verstärkt wird.Right and left of the lamp 2 are monochrome emitting Light sources in the form of LEDs 4 symmetrical arranged. The LEDs 4 have the task the light spectrum, which of the lighting means 2a on the usable area 5 or on objects arranged thereon (not shown) is irradiated, to that effect change that a color saturation of a body color whose Spectral range that of the light emitting diodes. 4 emitted radiation is amplified.

Die Leuchtdioden 4 sind derart rechts und links von der Leuchte 2 symmetrisch zueinander angeordnet, daß die Zumischung der von den Leuchtdioden 4 emittierten Strahlung zu der Strahlung des Leuchtmittels 2a unterhalb der Beleuchtungsanlage 1 in einem Bereich, der ungefähr dem halben Abstand zwischen Beleuchtungsanlage 1 und Nutzfläche 5 entspricht, erfolgt.The LEDs 4 are so right and left of the Luminaire 2 arranged symmetrically to each other, that the admixture the radiation emitted by the LEDs 4 radiation to the radiation of the luminous means 2a below the lighting system 1 in an area that is about the half the distance between lighting system 1 and usable area 5 corresponds, takes place.

Die Figur 2 zeigt eine erfindungsgemäße Beleuchtungsanlage 1, bei der das Leuchtmittel 2a in Form einer Hochdruck-Gasentladungslampe von einem Kastenreflektor 6 umgeben ist. Symmetrisch dazu sind vier Leuchtdioden 4 benachbart angeordnet, und zwar jeweils zwei links- und zwei rechtsseitig von der Leuchte 2. Die Seitenreflektoren 7 des Kastenreflektors 6 erzeugen in Längsrichtung der zu beleuchtenden Nutzfläche 5, d.h. quer zur Längsrichtung der Hochdruck-Gasentladungslampe 2a, eine Batwing-Lichtverteilung 8, welche eine Ausleuchtung eines großen Bereichs der Nutzfläche 5 mit nur einer Gasentladungslampe 2a ermöglicht.FIG. 2 shows a lighting installation according to the invention 1, in which the lighting means 2a in the form of a high-pressure gas discharge lamp surrounded by a box reflector 6 is. Symmetrically four LEDs 4 are adjacent arranged, in each case two left and two right side of the lamp 2. The side reflectors 7 of the box reflector 6 generate in the longitudinal direction the effective area 5 to be illuminated, i. transverse to the longitudinal direction the high-pressure gas discharge lamp 2a, a Batwing light distribution 8, which is an illumination of a large area of the floor space 5 with only one gas discharge lamp 2a allows.

Die Nutzfläche 5 und die Beleuchtungsanlage 1 weisen in diesem Ausführungsbeispiel den Abstand h zueinander auf. Abhängig von dem Abstand h sind die Leuchtdioden 4 mit dem Abstand x = h · tan α zueinander angeordnet, um entsprechend der Intensitätsverteilungskurve 9 der jeweiligen Leuchtdioden 4 eine möglichst gleichmäßige Ausleuchtung und damit eine gleichmäßige Verstärkung von Körperfarben auf der Nutzfläche 5 zu erreichen.The floor space 5 and the lighting system 1 point in This embodiment, the distance h to each other. Depending on the distance h, the light emitting diodes 4 with the distance x = h · tan α arranged to each other, in order accordingly the intensity distribution curve 9 of the respective LEDs 4 as uniform as possible illumination and thus a uniform reinforcement of body colors to reach 5 on the floor space.

In der Figur 3 ist ein Querschnitt durch ein erfindungsgemäßes Beleuchtungsmodul gezeigt. Das Beleuchtungsmodul weist ein Leuchtmittel 2a in Form einer in liegender Brennlage angeordneten Hochdruck-Gasentladungslampe auf, welches von einem eine Batwing-Lichtverteilung erzeugenden Kastenreflektor 6 umgeben ist. Der Kastenreflektor 6 ist üblicher Bauart mit Seitenreflektoren 7, die den Lichtaustritt durch die unterseitige Öffnung 10 des Kastenreflektors 6 in Querrichtung zu den anzustrahlenden Objekten auf der Nutzfläche 5 begrenzen und konzentrieren, wodurch eine besonders homogene Ausleuchtung der Nutzflächen erreicht und damit der Nutzbeleuchtungswirkungsgrad erhöht wird.In the figure 3 is a cross section through an inventive Illumination module shown. The lighting module has a lighting means 2a in the form of an in-lying Burning arranged high-pressure gas discharge lamp, which of a Batwing light distribution generating Box reflector 6 is surrounded. The box reflector 6 is conventional design with side reflectors 7, the Light emission through the bottom opening 10 of the box reflector 6 in the transverse direction to be illuminated Limit and concentrate objects on the usable area 5, whereby a particularly homogeneous illumination of Usable areas and thus the Nutzbeleuchtungswirkungsgrad is increased.

Der Bereich des Kastenreflektors 6 oberhalb der Hochdruck-Gasentladungslampe 2a ist als Kaltlichtspiegel 3 ausgebildet, um die Wärmeabstrahlung zu vermindern. The area of the box reflector 6 above the high pressure gas discharge lamp 2a is a cold mirror 3 designed to reduce the heat radiation.

An den Seitenreflektoren 7 und an dem Kaltlichtspiegel 3 des Kastenreflektors 6 sind Leuchtdioden 4 angeordnet, die in den Reflektorraum 12 hineinstrahlen, so daß die Zumischung der von den Leuchtdioden 4 emittierten Strahlung zu der Strahlung der Hochdruck-Gasentladungslampe 2a innerhalb des Reflektorraums 12 erfolgt. Hierdurch wird erreicht, daß ein homogenes Strahlungsgemisch den Kastenreflektor 6 an seiner unterseitigen Öffnung 10 verläßt und eine Sättigung der gewünschten Körperfarben der Gegenstände auf der zu beleuchtenden Nutzfläche 5 bewirkt.On the side reflectors 7 and on the cold mirror 3 of the box reflector 6 light emitting diodes 4 are arranged, which radiate into the reflector space 12, so that the Adding the radiation emitted by the LEDs 4 radiation to the radiation of the high pressure gas discharge lamp 2a takes place within the reflector space 12. This will achieved that a homogeneous mixture of radiations the box reflector 6 leaves at its bottom opening 10 and a saturation of the desired body colors of the objects on the surface to be illuminated 5 causes.

Unterhalb der Hochdruck-Gasentladungslampe 2a ist eine Abschirmung 11 vorgesehen, die eine direkte Lichtabstrahlung auf den unmittelbar unterhalb der Hochdruck-Gasentladungslampe 2a gelegenen Bereich der zu beleuchtenden Nutzfläche 5 verringern soll, um auf diese weise zu hohe Lichtkonzentrationen, welche zu einer Warenbeschädigung führen können, zu vermeiden. Die Abschirmung 11 kann für einen Restlichtdurchlaß Durchgangsöffnungen (nicht dargestellt) aufweisen und besitzt an ihrer zur Hochdruck-Gasentladungslampe 2a weisenden Seite eine reflektierende Oberfläche, die auch selektiv reflektierend sein kann, um bestimmte Farbanteile herauszufiltern.Below the high pressure gas discharge lamp 2a is a Shield 11 is provided, which directs a light emission on the immediately below the high pressure gas discharge lamp 2a located area of the illuminated Usable area 5 should decrease to this way too high concentrations of light, resulting in damage to the goods can lead to avoid. The shield 11 may for a residual light passage through holes (not shown) and has at her to High pressure gas discharge lamp 2a facing side a reflective Surface, which is also selectively reflective can be to filter out certain color components.

Claims (11)

Beleuchtungsanlage (1) mit mindestens einem Leuchtmittel (2a), um Nutzflächen (5) zu beleuchten und gleichzeitig Körperfarben anzustrahlender Objekte zu betonen, dadurch gekennzeichnet, daß zur Veränderung des durch das Leuchtmittel (2a) auf die Nutzfläche (5) eingestrahlten Lichtspektrums mindestens eine einfarbig emittierende Lichtquelle (4) zusätzlich zu dem Leuchtmittel (2) vorgesehen ist.Lighting system (1) with at least one lighting means (2a) to illuminate usable areas (5) and at the same time to emphasize body colors of objects to be irradiated, characterized in that at least one of the light spectrum irradiated by the lighting means (2a) onto the useful area (5) is changed single-color emitting light source (4) in addition to the light-emitting means (2) is provided. Beleuchtungsanlage (1) nach Anspruch 1, dadurch gekennzeichnet, daß mehrere einfarbig emittierende Lichtquellen (4) aus verschiedenen Spektralbereichen vorgesehen sind.Lighting installation (1) according to Claim 1, characterized in that a plurality of single-color emitting light sources (4) are provided from different spectral ranges. Beleuchtungsanlage (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Leuchtmittel (2a) von einem Reflektor (3), insbesondere einem Kastenreflektor (6), der eine Batwing-Lichtverteilung erzeugt, umgeben ist.Lighting installation (1) according to Claim 1 or 2, characterized in that the luminous means (2a) is surrounded by a reflector (3), in particular a box reflector (6) which generates a batwing light distribution. Beleuchtungsanlage (1) nach Anspruch 3, dadurch gekennzeichnet, daß mindestens eine einfarbig emittierende Lichtquelle (4) an dem Reflektor (3, 6) angeordnet ist.Lighting installation (1) according to Claim 3, characterized in that at least one monochromatic light source (4) is arranged on the reflector (3, 6). Beleuchtungsanlage (1) nach Anspruch 4, dadurch gekennzeichnet, daß die einfarbig emittierende Lichtquelle (4) derart angeordnet ist, daß sie in den Reflektorraum (11) einstrahlt, so daß die Mischung der Strahlung des Leuchtmittels (2) mit der Strahlung der einfarbig emittierenden Lichtquelle (4) innerhalb des Reflektors (3, 6) erfolgt.Lighting installation (1) according to claim 4, characterized in that the monochrome emitting light source (4) is arranged such that it radiates into the reflector space (11) so that the mixture of the radiation of the light source (2) with the radiation of the monochromatic emitting Light source (4) within the reflector (3, 6) takes place. Beleuchtungsanlage (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Abstand x zwischen zwei einfarbig emittierenden Lichtquellen (4), deren emittierte Strahlung sich im Bereich von h/2 kreuzt, sich aus x = h · tan α berechnet, wobei h den Abstand zwischen Beleuchtungsanlage (1) und Nutzfläche und α den Strahlungswinkel der einfarbig emittierenden Lichtquelle (4) bezeichnet.Lighting installation (1) according to one of the preceding claims, characterized in that the distance x between two monochrome emitting light sources (4) whose emitted radiation crosses in the range of h / 2 is calculated from x = h · tan α, where h the distance between the lighting system (1) and effective area and α denotes the radiation angle of the monochromatic light source (4). Beleuchtungsanlage (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die einfarbige Lichtquelle (4) als lichtemittierende Diode (LED) ausgebildet ist.Lighting installation (1) according to one of the preceding claims, characterized in that the monochrome light source (4) is designed as a light-emitting diode (LED). Beleuchtungsanlage (1) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß das Leuchtmittel (2a) eine Halogen-Metalldampflampe oder eine Natrium-Dampflampe mit verbesserter Farbwiedergabe ist. Lighting installation (1) according to one of the preceding claims, characterized in that the lighting means (2a) is a metal halide lamp or a sodium vapor lamp with improved color rendering. Verfahren zur Beleuchtung von Nutzflächen (5) durch eine Beleuchtungsanlage (1) mit mindestens einem Leuchtmittel (2a), dadurch gekennzeichnet, daß zur Erhöhung der Farbsättigung mindestens einer Körperfarbe dem durch das Leuchtmittel (2a) emittierten Lichtspektrum die Strahlung mindestens einer einfarbig emittierenden Lichtquelle (4) zugemischt wird.Method for illuminating usable areas (5) by means of a lighting system (1) having at least one light source (2a), characterized in that, to increase the color saturation of at least one body color, the radiation emitted by the light source (2a) is at least one monochromatic light source ( 4) is mixed. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß die Zumischung der Strahlung der einfarbig emittierenden Lichtquelle (4) zu der Strahlung des Leuchtmittels (2a) unterhalb der Beleuchtungsanlage (1) erfolgt.A method according to claim 9, characterized in that the admixing of the radiation of the monochrome emitting light source (4) to the radiation of the luminous means (2a) below the lighting system (1). Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß das Leuchtmittel (2a) von einem Reflektor (3), insbesondere von einem Kastenreflektor (6), umgeben ist, der eine Batwing-Lichtverteilung erzeugt durch den eine homogene Ausbreitung der von dem Leuchtmittel (2a) abgegebenen Strahlung erzeugt wird und mindestens eine einfarbig emittierenden Lichtquelle (4) an dem Reflektor (3, 6) derart angeordnet wird, daß die Mischung der Strahlung des Leuchtmittels (2a) und der Strahlung der einfarbig emittierenden Lichtquelle (4) innerhalb des Reflektors (3, 6) erfolgt.Method according to Claim 9, characterized in that the luminous means (2a) is surrounded by a reflector (3), in particular by a box reflector (6), which generates a batwing light distribution by means of a homogeneous propagation of the light emitted by the luminous means (2a). emitted radiation is generated and at least one monochrome emitting light source (4) on the reflector (3, 6) is arranged such that the mixture of the radiation of the illuminant (2a) and the radiation of the monochrome emitting light source (4) within the reflector (3 , 6).
EP04001178A 2004-01-21 2004-01-21 Lighting system Expired - Lifetime EP1557604B1 (en)

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DE502004001097T DE502004001097D1 (en) 2004-01-21 2004-01-21 lighting system
ES04001178T ES2270184T3 (en) 2004-01-21 2004-01-21 LIGHTING INSTALLATION.
EP04001178A EP1557604B1 (en) 2004-01-21 2004-01-21 Lighting system
AT04001178T ATE335160T1 (en) 2004-01-21 2004-01-21 LIGHTING SYSTEM
DK04001178T DK1557604T3 (en) 2004-01-21 2004-01-21 Lighting systems

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EP1746338A1 (en) * 2005-07-22 2007-01-24 ERCO Leuchten GmbH Luminaire
US7497587B2 (en) 2005-07-22 2009-03-03 Erco Gmbh Lamp
WO2008029352A1 (en) * 2006-09-08 2008-03-13 Koninklijke Philips Electronics N.V. Lighting device with a plurality of light sources and two lighting patterns
EP1906077A1 (en) * 2006-09-28 2008-04-02 BÄ*RO GmbH & Co. KG Lamp
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ES2270184T3 (en) 2007-04-01
ATE335160T1 (en) 2006-08-15
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EP1557604B1 (en) 2006-08-02
DK1557604T3 (en) 2006-12-04

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