EP2995846A1 - Deflection mirror light - Google Patents

Deflection mirror light Download PDF

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Publication number
EP2995846A1
EP2995846A1 EP15158579.1A EP15158579A EP2995846A1 EP 2995846 A1 EP2995846 A1 EP 2995846A1 EP 15158579 A EP15158579 A EP 15158579A EP 2995846 A1 EP2995846 A1 EP 2995846A1
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EP
European Patent Office
Prior art keywords
reflector
primary reflector
deflecting mirror
light
light source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP15158579.1A
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German (de)
French (fr)
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EP2995846B1 (en
Inventor
Markus Weindl
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.)
RUCO LICHT GmbH
Ruco-Licht GmbH
Original Assignee
RUCO LICHT GmbH
Ruco-Licht GmbH
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Publication of EP2995846A1 publication Critical patent/EP2995846A1/en
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Classifications

    • 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
    • F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
    • F21V14/04—Controlling the distribution of the light emitted by adjustment of elements by movement of reflectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/0025—Combination of two or more reflectors for a single light source
    • F21V7/0033—Combination of two or more reflectors for a single light source with successive reflections from one reflector to the next or following
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/041—Optical design with conical or pyramidal surface
    • 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
    • F21V7/00—Reflectors for light sources
    • F21V7/04—Optical design
    • F21V7/06—Optical design with parabolic curvature
    • 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 invention relates to a deflecting mirror light according to the preamble of claim 1.
  • Such a deflecting mirror light is from the DE 10 2011 009 404 A1 known.
  • This has a light source, a primary reflector and one or more in the region of an opening of the primary reflector adjustably arranged deflection mirror on
  • Such lights are used to produce a basic lighting and additional accent lighting, with a uniform basic lighting can be achieved by the primary reflector, while the individually adjustable Deflection mirror special lighting effects can be achieved.
  • conventional incandescent or gas discharge lamps are used as light sources. For other light sources, however, the problem may arise that a sufficiently effective lighting is no longer guaranteed.
  • the object of the invention is to provide a luminaire of the type mentioned, which allows efficient lighting even with different light sources.
  • the light source is designed as an LED module with a plurality of LEDs arranged on a carrier.
  • Such light sources have a particularly long service life and high light output with lower power consumption and lower heat development compared to conventional light sources.
  • a secondary reflector is arranged between the light source and the at least one deflecting mirror, by means of which the light emitted by the light source is focused via the primary reflector onto the at least one deflecting mirror.
  • the secondary reflector for example, the light radiated by the light source at a wider angle can first be directed onto a central reflector region on the inside of the primary reflector and focused therefrom onto the deflection mirrors.
  • the secondary reflector may be formed in a preferred embodiment in the form of a cone arranged in the central axis of the primary reflector with a cone tip facing the light source and concave reflector surfaces facing inner reflector surfaces of the primary reflector.
  • the secondary reflector can e.g. be formed in the form of a sheet-formed or made of plastic and provided with a corresponding coating, thin-walled hollow cone with concave wall. Between an outer edge on the underside of the secondary reflector and the primary reflector is preferably provided an annular gap for the passage of the light.
  • the deflecting mirror light may have one or more deflection mirrors.
  • a plurality of deflecting mirrors are provided, which can be arranged rotatably and pivotably on a holder fastened to the inside of the primary reflector.
  • the deflecting mirrors can have a concave, convex or even reflector surface. As a result, different lighting effects can be achieved.
  • the LED module can be designed as a so-called chip on board (COB) LED, in which several individual LED chips are mounted on a printed circuit board. The chip terminals and the circuit board are connected by wire bonding and the chip is then covered by epoxy resin and protected.
  • COB chip on board
  • the COB technology allows high LED packing densities so that more light can be emitted from a smaller area.
  • a very flat and space-saving design can be achieved.
  • deflecting mirror light contains a trained example as a heat sink body 1 and executed here in the manner of a paraboloid parabolic stump primary reflector 2, which is arranged on the underside of the base body 1 reflector base 3 and a curved reflector body 4 with an inner reflector surface 5 and a here round reflector opening 6 contains.
  • the primary reflector 2 has a passage 7 in its reflector base 3 for a light source 8 designed as an LED module.
  • the deflecting mirrors 9 can have a concave, convex or even reflector surface 10 and are pivotably arranged on a holder 11 fastened to the inside of the reflector body 4.
  • the holder 11 consists of a fixed to the inside of the primary reflector 2 thin sheet metal with a arranged in the central axis 12 of the primary reflector 2 lower retaining web 13, to which two spaced-apart discs 14 and 15 are attached. Between the two discs 14 and 15 spherical ends 16 are supported by rods 17 to which the deflecting mirror 9 are attached.
  • the spherical ends 16 of the rods 17 are rotatably mounted between the two discs 14 and 15, so that the deflecting mirror 9 can be pivoted in all directions.
  • a secondary reflector 18 is arranged between the light source 8 and the deflecting mirrors 9, through which the light emitted by the light source 7 is first directed to a central reflector region 19 on the inside of the curved reflector body 4 of the primary reflector 2 and from there to the deflection mirror 8 is focused.
  • the secondary reflector 18 is designed such that the light source 9, e.g. light radiated at an angle of 120 ° is conducted via the primary reflector 2 onto the deflecting mirrors 10.
  • the secondary reflector 18 in the form of a arranged in the central axis 12 of the primary reflector 2 cone with a light source 7 facing conical tip 20 and one of the inner reflector surface 5 of the primary reflector 2 facing concave lateral surface 21 designed as a reflector surface.
  • the conical secondary reflector 18 is arranged such that its central axis coincides with the central axis 12 of the Primary reflector 2 coincides.
  • the secondary reflector 18 may be formed, for example, in the form of a formed from sheet metal or plastic and provided with a corresponding coating, thin-walled hollow cone with concave wall 22.
  • the conical secondary reflector 18 may be mounted, for example, via a clip connection on the holder 11 fastened to the inside of the reflector body 4. Between an outer edge 23 on the underside of the conical secondary reflector 18 and the primary reflector 2, an annular gap 24 is provided, via which the light reflected by the primary reflector 2 can reach the opening 6 and the deflecting mirrors 9.
  • the designed as an LED module light source 9 is designed as a so-called chip on board (COB) LED.
  • COB chip on board
  • the chip is then covered by epoxy resin and protected.
  • LED modules manufactured using COB technology have a longer life and higher light output compared to conventional light sources.
  • LED modules also have less heat development in the beam direction.
  • such LED modules can also be built very flat and thus require only a small installation space.
  • the secondary reflector 18 is designed such that the light emitted by the light source 8 light reaches the central reflector region 19 on the inside of the curved reflector body 4 of the primary reflector 2 and from there on the deflection mirror 9 for generating focusable and directable light cone for the creation of special Lighting effects can be directed.
  • FIG. 2 It can be seen that a portion of the light can be directed through the secondary reflector 18 and the primary reflector 2 but also between the deflecting mirrors 9 down, so that a homogeneous basic lighting is achieved directly under the lamp without the holder 11 in the Projection images.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

Die Erfindung betrifft eine Umlenkspiegelleuchte mit einer Lichtquelle (8), einem Primärreflektor (2) und mindestens einem im Bereich einer Öffnung (6) des Primärreflektors (2) verstellbar angeordneten Umlenkspiegel (9). Erfindungsgemäß ist innerhalb des Primärreflektors (2) zwischen der Lichtquelle (8) und dem mindestens einen Umlenkspiegel (9) ein Sekundärreflektor (18) angeordnet, durch den das von der Lichtquelle (8) abgestrahlte Licht über den Primärreflektor (2) auf den mindestens einen Umlenkspiegel (9) fokussiert wird.The invention relates to a deflecting mirror with a light source (8), a primary reflector (2) and at least one deflecting mirror (9) adjustably arranged in the region of an opening (6) of the primary reflector (2). According to the invention, a secondary reflector (18) is arranged within the primary reflector (2) between the light source (8) and the at least one deflecting mirror (9) through which the light emitted by the light source (8) is transmitted through the primary reflector (2) to the at least one Deflection mirror (9) is focused.

Description

Die Erfindung betrifft eine Umlenkspiegelleuchte nach dem Oberbegriff des Anspruchs 1.The invention relates to a deflecting mirror light according to the preamble of claim 1.

Eine derartige Umlenkspiegelleuchte ist aus der DE 10 2011 009 404 A1 bekannt. Diese weist eine Lichtquelle, einen Primärreflektor und einem oder mehrere im Bereich einer Öffnung des Primärreflektors verstellbar angeordnete Umlenkspiegel auf Solche Leuchten werden zur Erzeugung einer Grundbeleuchtung und einer zusätzlichen Akzentbeleuchtung eingesetzt, wobei durch den Primärreflektor eine gleichmäßige Grundbeleuchtung erreicht werden kann, während durch die individuell verstellbaren Umlenkspiegel besondere Lichteffekte erzielbar sind. Bei den bisher bekannten Leuchten dieser Art werden konventionelle Glüh- oder Gasentladungslampen als Lichtquellen eingesetzt. Bei anderen Lichtquellen kann sich jedoch das Problem ergeben, dass eine ausreichend effektive Beleuchtung nicht mehr gewährleistet ist.Such a deflecting mirror light is from the DE 10 2011 009 404 A1 known. This has a light source, a primary reflector and one or more in the region of an opening of the primary reflector adjustably arranged deflection mirror on Such lights are used to produce a basic lighting and additional accent lighting, with a uniform basic lighting can be achieved by the primary reflector, while the individually adjustable Deflection mirror special lighting effects can be achieved. In the previously known luminaires of this type conventional incandescent or gas discharge lamps are used as light sources. For other light sources, however, the problem may arise that a sufficiently effective lighting is no longer guaranteed.

Aufgabe der Erfindung ist es, eine Leuchte der eingangs genannten Art zu schaffen, die auch bei unterschiedlichen Lichtquellen eine effiziente Beleuchtung ermöglicht.The object of the invention is to provide a luminaire of the type mentioned, which allows efficient lighting even with different light sources.

Diese Aufgabe wird durch eine Umlenkspiegelleuchte mit den Merkmalen des Anspruchs 1 gelöst. Zweckmäßige Ausgestaltungen und vorteilhafte Weiterbildungen der Erfindung sind in den Unteransprüchen angegeben.This object is achieved by a deflecting mirror lamp with the features of claim 1. Advantageous embodiments and advantageous developments of the invention are specified in the dependent claims.

Bei der erfindungsgemäßen Leuchte ist die Lichtquelle als LED-Modul mit mehreren auf einem Träger angeordneten LEDs ausgeführt. Derartige Lichtquellen weisen eine besonders hohe Lebensdauer und hohe Lichtausbeute bei kleinerem Strombedarf und geringerer Wärmeentwicklung im Vergleich zu konventionellen Lichtquellen auf. Innerhalb des Primärreflektors ist zwischen der Lichtquelle und dem mindestens einen Umlenkspiegel ein Sekundärreflektor angeordnet, durch den das von der Lichtquelle abgestrahlte Licht über den Primärreflektor auf den mindestens einen Umlenkspiegel fokussiert wird. Durch den Sekundärreflektor kann so z.B. das von der Lichtquelle in einem breiteren Winkel abgestrahlte Licht zunächst auf einen mittleren Reflektorbereich an der Innenseite des Primärreflektors gelenkt und von dort auf die Umlenkspiegel fokussiert werden.In the luminaire according to the invention, the light source is designed as an LED module with a plurality of LEDs arranged on a carrier. Such light sources have a particularly long service life and high light output with lower power consumption and lower heat development compared to conventional light sources. Within the primary reflector, a secondary reflector is arranged between the light source and the at least one deflecting mirror, by means of which the light emitted by the light source is focused via the primary reflector onto the at least one deflecting mirror. By means of the secondary reflector, for example, the light radiated by the light source at a wider angle can first be directed onto a central reflector region on the inside of the primary reflector and focused therefrom onto the deflection mirrors.

Der Sekundärreflektor kann in einer bevorzugten Ausführung in Form eines in der Mittelachse des Primärreflektors angeordneten Kegels mit einer der Lichtquelle zugewandten Kegelspitze und zu inneren Reflektorflächen des Primärreflektors weisenden konkaven Reflektorflächen ausgebildet sein.The secondary reflector may be formed in a preferred embodiment in the form of a cone arranged in the central axis of the primary reflector with a cone tip facing the light source and concave reflector surfaces facing inner reflector surfaces of the primary reflector.

In einer einfachen und fertigungstechnisch vorteilhaften Ausführung kann der Sekundärreflektor z.B. in Form eines aus Blech geformten oder aus Kunststoff hergestellten und mit einer entsprechenden Beschichtung versehenen, dünnwandigen Hohl-Kegels mit konkaver Wandung ausgebildet sein. Zwischen einem äußeren Rand an der Unterseite des Sekundärreflektors und dem Primärreflektor ist vorzugsweise ein ringförmiger Spalt für den Durchgang des Lichts vorgesehen.In a simple and production-wise advantageous embodiment, the secondary reflector can e.g. be formed in the form of a sheet-formed or made of plastic and provided with a corresponding coating, thin-walled hollow cone with concave wall. Between an outer edge on the underside of the secondary reflector and the primary reflector is preferably provided an annular gap for the passage of the light.

Die Umlenkspiegelleuchte kann einen oder mehrere Umlenkspiegel aufweisen. Vorzugsweise sind mehrere Umlenkspiegel vorgesehen, die an einer an der Innenseite des Primärreflektors befestigten Halterung dreh- und schwenkbar angeordnet sein können. Die Umlenkspiegel können je nach Einsatzbereich eine konkave, konvexe oder gerade Reflektorfläche aufweisen. Dadurch können unterschiedliche Lichteffekte erzielt werden.The deflecting mirror light may have one or more deflection mirrors. Preferably, a plurality of deflecting mirrors are provided, which can be arranged rotatably and pivotably on a holder fastened to the inside of the primary reflector. Depending on the area of use, the deflecting mirrors can have a concave, convex or even reflector surface. As a result, different lighting effects can be achieved.

In einer besonders kompakten und platzsparenden Bauweise kann das LED-Modul als so genannte Chip on Board (COB) LED ausgeführt sein, bei der mehrere einzelne LED-Chips auf einer Leiterplatte angebracht sind. Die Chipanschlüsse und die Leiterplatte sind durch Drahtbonding miteinander verbunden und der Chip wird dann durch Epoxidharz abgedeckt und geschützt. Die COB-Technologie erlaubt hohe LED-Packungsdichten, so dass mehr Licht aus einer kleineren Fläche abgestrahlt werden kann. Außerdem ist eine sehr flache und platzsparende Bauweise erreichbar.In a particularly compact and space-saving design, the LED module can be designed as a so-called chip on board (COB) LED, in which several individual LED chips are mounted on a printed circuit board. The chip terminals and the circuit board are connected by wire bonding and the chip is then covered by epoxy resin and protected. The COB technology allows high LED packing densities so that more light can be emitted from a smaller area. In addition, a very flat and space-saving design can be achieved.

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

Figur 1
eine erfindungsgemäße Umlenkspiegelleuchte mit mehreren Umlenkspiegeln im Querschnitt und
Figur 2
die in Figur 1 gezeigte Umlenkspiegelleuchte ohne Umlenkspiegel.
Other features and advantages of the invention will become apparent from the following description of an embodiment with reference to the drawings. Show it:
FIG. 1
a deflection mirror according to the invention with several deflecting mirrors in cross-section and
FIG. 2
in the FIG. 1 shown deflecting mirror without deflecting mirror.

Die in Figur 1 in einem Querschnitt schematisch dargestellte Umlenkspiegelleuchte enthält einen z.B. als Kühlkörper ausgebildeten Grundkörper 1 und einen hier in Art eines Rotationsparaboloid-Stumpfs ausgeführten Primärreflektor 2, der einen an der Unterseite des Grundkörpers 1 angeordneten Reflektorboden 3 und einen gekrümmten Reflektorkörper 4 mit einer inneren Reflektorfläche 5 und einer hier runden Reflektoröffnung 6 enthält. Der Primärreflektor 2 weist in seinem Reflektorboden 3 einen Durchgang 7 für eine als LED-Modul ausgebildete Lichtquelle 8 auf.In the FIG. 1 In a cross-section schematically illustrated deflecting mirror light contains a trained example as a heat sink body 1 and executed here in the manner of a paraboloid parabolic stump primary reflector 2, which is arranged on the underside of the base body 1 reflector base 3 and a curved reflector body 4 with an inner reflector surface 5 and a here round reflector opening 6 contains. The primary reflector 2 has a passage 7 in its reflector base 3 for a light source 8 designed as an LED module.

Im Bereich der Reflektoröffnung 6 des Primärreflektors 2 sind mehrere getrennt verstellbare Umlenkspiegel 9 vorgesehen. Die Umlenkspiegel 9 können je nach Einsatzbereich eine konkave, konvexe oder gerade Reflektorfläche 10 aufweisen und sind an einer an der Innenseite des Reflektorkörpers 4 befestigten Halterung 11 schwenkbar angeordnet. Die Halterung 11 besteht aus einem an der Innenseite des Primärreflektors 2 befestigten dünnen Blech mit einem in der Mittelachse 12 des Primärreflektors 2 angeordneten unteren Haltesteg 13, an dem zwei voneinander beabstandete Scheiben 14 und 15 befestigt sind. Zwischen den beiden Scheiben 14 und 15 sind kugelförmige Enden 16 von Stangen 17 gelagert, an denen die Umlenkspiegel 9 befestigt sind. Die kugelförmigen Enden 16 der Stangen 17 sind zwischen den beiden Scheiben 14 und 15 drehbar gelagert, so dass die Umlenkspiegel 9 in alle Richtungen geschwenkt werden können.In the area of the reflector opening 6 of the primary reflector 2, a plurality of separately adjustable deflecting mirrors 9 are provided. Depending on the area of use, the deflecting mirrors 9 can have a concave, convex or even reflector surface 10 and are pivotably arranged on a holder 11 fastened to the inside of the reflector body 4. The holder 11 consists of a fixed to the inside of the primary reflector 2 thin sheet metal with a arranged in the central axis 12 of the primary reflector 2 lower retaining web 13, to which two spaced-apart discs 14 and 15 are attached. Between the two discs 14 and 15 spherical ends 16 are supported by rods 17 to which the deflecting mirror 9 are attached. The spherical ends 16 of the rods 17 are rotatably mounted between the two discs 14 and 15, so that the deflecting mirror 9 can be pivoted in all directions.

Innerhalb des Primärreflektors 2 ist zwischen der Lichtquelle 8 und den Umlenkspiegeln 9 ein Sekundärreflektor 18 angeordnet, durch den das von der Lichtquelle 7 abgestrahlte Licht zunächst auf einen mittleren Reflektorbereich 19 an der Innenseite des gekrümmten Reflektorkörpers 4 des Primärreflektors 2 gelenkt und von dort auf die Umlenkspiegel 8 fokussiert wird. Der Sekundärreflektor 18 ist also derart ausgestaltet, dass das von der Lichtquelle 9 z.B. in einem Winkel von 120° abgestrahlte Licht über den Primärreflektor 2 auf die Umlenkspiegel 10 geleitet wird.Within the primary reflector 2, a secondary reflector 18 is arranged between the light source 8 and the deflecting mirrors 9, through which the light emitted by the light source 7 is first directed to a central reflector region 19 on the inside of the curved reflector body 4 of the primary reflector 2 and from there to the deflection mirror 8 is focused. Thus, the secondary reflector 18 is designed such that the light source 9, e.g. light radiated at an angle of 120 ° is conducted via the primary reflector 2 onto the deflecting mirrors 10.

In dem gezeigten Ausführungsbeispiel ist der Sekundärreflektor 18 in Form eines in der Mittelachse 12 des Primärreflektors 2 angeordneten Kegels mit einer der Lichtquelle 7 zugewandten Kegelspitze 20 und einer der inneren Reflektorfläche 5 des Primärreflektors 2 zugewandten konkaven Mantelfläche 21 als Reflektorfläche ausgeführt. Der kegelförmige Sekundärreflektor 18 ist derart angeordnet, dass seine Mittelachse mit der Mittelachse 12 des Primärreflektors 2 zusammenfällt. Der Sekundärreflektor 18 kann z.B. in Form eines aus Blech geformten oder Kunststoff hergestellten und mit einer entsprechenden Beschichtung versehenen, dünnwandigen Hohl-Kegels mit konkaver Wandung 22 ausgebildet sein. Der kegelförmige Sekundärreflektor 18 kann z.B. über eine Clipverbindung auf der an der Innenseite des Reflektorkörpers 4 befestigten Halterung 11 montiert sein. Zwischen einem äußeren Rand 23 an der Unterseite des kegelförmigen Sekundärreflektors 18 und dem Primärreflektor 2 ist ein ringförmiger Spalt 24 vorgesehen, über den das vom Primärreflektor 2 reflektierte Licht zu der Öffnung 6 und den Umlenkspiegeln 9 gelangen kann.In the embodiment shown, the secondary reflector 18 in the form of a arranged in the central axis 12 of the primary reflector 2 cone with a light source 7 facing conical tip 20 and one of the inner reflector surface 5 of the primary reflector 2 facing concave lateral surface 21 designed as a reflector surface. The conical secondary reflector 18 is arranged such that its central axis coincides with the central axis 12 of the Primary reflector 2 coincides. The secondary reflector 18 may be formed, for example, in the form of a formed from sheet metal or plastic and provided with a corresponding coating, thin-walled hollow cone with concave wall 22. The conical secondary reflector 18 may be mounted, for example, via a clip connection on the holder 11 fastened to the inside of the reflector body 4. Between an outer edge 23 on the underside of the conical secondary reflector 18 and the primary reflector 2, an annular gap 24 is provided, via which the light reflected by the primary reflector 2 can reach the opening 6 and the deflecting mirrors 9.

Die als LED-Modul ausgeführte Lichtquelle 9 ist als so genannte Chip on Board (COB) LED ausgeführt. Hier ist eine Vielzahl einzelner LED-Chips auf einer Leiterplatte angebracht, wobei die Chipanschlüsse und die Leiterplatte durch Drahtbonding miteinander verbunden sind. Der Chip wird dann durch Epoxidharz abgedeckt und geschützt. Mit der COB-Technologie hergestellte LED-Module weisen im Vergleich zu konventionellen Leuchtquellen eine längere Lebensdauer und höhere Lichtausbeute auf. Darüber hinaus weisen solche LED-Module auch eine geringere Wärmeentwicklung in Strahlrichtung auf. Außerdem können solche LED-Module auch besonders flach gebaut werden und benötigen dadurch nur einen geringen Einbauraum.The designed as an LED module light source 9 is designed as a so-called chip on board (COB) LED. Here, a plurality of individual LED chips mounted on a circuit board, wherein the chip terminals and the circuit board are connected by wire bonding. The chip is then covered by epoxy resin and protected. LED modules manufactured using COB technology have a longer life and higher light output compared to conventional light sources. In addition, such LED modules also have less heat development in the beam direction. In addition, such LED modules can also be built very flat and thus require only a small installation space.

Wie besonders aus Figur 1 hervorgeht, ist der Sekundärreflektor 18 derart konzipiert, dass das von der Lichtquelle 8 abgestrahlte Lichts zu dem mittleren Reflektorbereich 19 an der Innenseite des gekrümmten Reflektorkörpers 4 des Primärreflektors 2 gelangt und von dort auf die Umlenkspiegel 9 zur Erzeugung fokussierbarer und richtbarer Lichtkegel für die Schaffung spezieller Lichteffekte gelenkt werden kann.How special FIG. 1 As can be seen, the secondary reflector 18 is designed such that the light emitted by the light source 8 light reaches the central reflector region 19 on the inside of the curved reflector body 4 of the primary reflector 2 and from there on the deflection mirror 9 for generating focusable and directable light cone for the creation of special Lighting effects can be directed.

Aus Figur 2 ist ersichtlich, dass ein Teil des Lichts über den Sekundärreflektor 18 und den Primärreflektor 2 aber auch zwischen den Umlenkspiegeln 9 hindurch nach unten gelenkt werden kann, so dass auch eine homogene Grundbeleuchtung direkt unter der Leuchte erreicht wird, ohne dass sich die Halterung 11 in der Projektion abbildet.Out FIG. 2 It can be seen that a portion of the light can be directed through the secondary reflector 18 and the primary reflector 2 but also between the deflecting mirrors 9 down, so that a homogeneous basic lighting is achieved directly under the lamp without the holder 11 in the Projection images.

Claims (9)

Umlenkspiegelleuchte mit einer Lichtquelle (8), einem Primärreflektor (2) und mindestens einem im Bereich einer Öffnung (6) des Primärreflektors (2) verstellbar angeordneten Umlenkspiegel (9), dadurch gekennzeichnet, dass die Lichtquelle (8) als LED-Modul ausgebildet ist und dass innerhalb des Primärreflektors (2) zwischen der Lichtquelle (8) und dem mindestens einen Umlenkspiegel (9) ein Sekundärreflektor (18) angeordnet ist, durch den das von der Lichtquelle (8) abgestrahlte Licht über den Primärreflektor (2) auf den mindestens einen Umlenkspiegel (9) fokussiert wird.Deflection mirror light with a light source (8), a primary reflector (2) and at least one in the region of an opening (6) of the primary reflector (2) adjustably arranged deflection mirror (9), characterized in that the light source (8) is designed as an LED module and that within the primary reflector (2) between the light source (8) and the at least one deflecting mirror (9) a secondary reflector (18) is arranged, through which the light emitted by the light source (8) via the primary reflector (2) on the at least a deflecting mirror (9) is focused. Umlenkspiegelleuchte nach Anspruch 1, dadurch gekennzeichnet, dass der Sekundärreflektor (18) in Form eines in der Mittelachse (12) des Primärreflektors (4) angeordneten Kegels mit einer der Lichtquelle (8) zugewandten Kegelspitze (20) und zu inneren Reflektorflächen (5) des Primärreflektors (4) weisenden konkaven Reflektorflächen (21) ausgebildet ist.Deflection mirror light according to claim 1, characterized in that the secondary reflector (18) in the form of a in the central axis (12) of the primary reflector (4) arranged cone with a light source (8) facing the cone tip (20) and inner reflector surfaces (5) of Primary reflector (4) facing concave reflector surfaces (21) is formed. Umlenkspiegelleuchte nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Sekundärreflektor (18) in Form eines aus Blech geformten oder aus Kunststoff hergestellten, dünnwandigen Hohl-Kegels mit konkaver Wandung (22) ausgebildet ist.Deflecting mirror light according to claim 1 or 2, characterized in that the secondary reflector (18) in the form of a sheet-formed or made of plastic, thin-walled hollow cone with concave wall (22) is formed. Umlenkspiegelleuchte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass zwischen einem äußeren Rand (23) an der Unterseite des Sekundärreflektors (18) und dem Primärreflektor (2) ein ringförmiger Spalt (24) für den Durchgang des Lichts vorgesehen ist.Deflecting mirror lamp according to one of claims 1 to 3, characterized in that between an outer edge (23) on the underside of the secondary reflector (18) and the primary reflector (2) an annular gap (24) is provided for the passage of the light. Umlenkspiegelleuchte nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der eine oder mehrere Umlenkspiegel (9) an einer an der Innenseite des Primärreflektors (2) befestigten Halterung (11) dreh- und schwenkbar angeordnet sind.Deflecting mirror light according to one of claims 1 to 4, characterized in that the one or more deflecting mirrors (9) on a on the inside of the primary reflector (2) fixed to the holder (11) are arranged rotatably and pivotally. Umlenkspiegelleuchte nach Anspruch 5, dadurch gekennzeichnet, dass die Halterung (11) aus einem an der Innenseite des Hauptreflektors (4) befestigten Blech mit einem in der Mittelachse (12) des Primärreflektors (2) angeordneten unteren Haltesteg (13) besteht, an dem zwei voneinander beabstandete Scheiben (14, 15) befestigt sind.Deflecting mirror light according to claim 5, characterized in that the holder (11) consists of a on the inside of the main reflector (4) fixed plate with a in the central axis (12) of the primary reflector (2) arranged lower holding web (13), at the two spaced apart discs (14, 15) are attached. Umlenkspiegelleuchte nach Anspruch 6, dadurch gekennzeichnet, dass zwischen den beiden Scheiben (14, 15) die kugelförmigen Enden (16) von Stangen (17) zu Halterung der Umlenkspiegel (9) befestigt sind.Deflecting mirror light according to claim 6, characterized in that between the two discs (14, 15), the spherical ends (16) of rods (17) are attached to the mounting of the deflection mirror (9). Umlenkspiegelleuchte nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die Umlenkspiegel (9) eine konkave, konvexe oder gerade Reflektorfläche (10) aufweisen.Deflecting mirror light according to one of claims 1 to 7, characterized in that the deflection mirrors (9) have a concave, convex or straight reflector surface (10). Umlenkspiegelleuchte nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass das die Lichtquelle (8) als Chip on Board LED ausgebildet ist.Deflecting mirror light according to one of claims 1 to 8, characterized in that the light source (8) is designed as a chip on board LED.
EP15158579.1A 2014-08-06 2015-03-11 Deflection mirror light Active EP2995846B1 (en)

Applications Claiming Priority (1)

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DE102014111206.7A DE102014111206A1 (en) 2014-08-06 2014-08-06 Umlenkspiegelleuchte

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CN108954140A (en) * 2018-07-26 2018-12-07 深圳市港瑞达科技有限公司 A kind of LED illumination lamp protective device

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DE9215276U1 (en) * 1991-10-10 1993-01-21 Schewe, Jürgen, 6900 Heidelberg Luminaire, especially wall or ceiling spotlights
DE10252724A1 (en) * 2001-11-30 2003-06-12 Mega N V Light fitting with multiple reflectors, has adjustable secondary and tertiary reflectors to provide supplementary control of aim of light from lamp
WO2008089324A2 (en) * 2007-01-17 2008-07-24 Lighting Science Group Corporation Folded light path led array collimation optic
DE102011009404A1 (en) 2011-01-25 2012-07-26 D. Lindner Lichttechnische Großhandlung GmbH Lampen-Leuchten-Strahler Lighting device for use in department stores or showrooms, has light unit equipped with light source and light-concentrating reflector, where mirror is provided at light exit side end of reflector

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CN108954140A (en) * 2018-07-26 2018-12-07 深圳市港瑞达科技有限公司 A kind of LED illumination lamp protective device

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EP2995846B1 (en) 2018-05-16

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