EP2539629B1 - Recessed light having a base body and a dome-shaped reflector - Google Patents
Recessed light having a base body and a dome-shaped reflector Download PDFInfo
- Publication number
- EP2539629B1 EP2539629B1 EP11704985.8A EP11704985A EP2539629B1 EP 2539629 B1 EP2539629 B1 EP 2539629B1 EP 11704985 A EP11704985 A EP 11704985A EP 2539629 B1 EP2539629 B1 EP 2539629B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reflector
- recessed luminaire
- retaining ring
- light source
- heat sink
- 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.)
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- 239000004033 plastic Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
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- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
- F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
-
- 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
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
-
- 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
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/14—Bayonet-type fastening
-
- 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
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
- F21V21/04—Recessed bases
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
-
- 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
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
-
- 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
- Recessed luminaires of the type described above are commonly used in suspended ceiling systems. They are here sunk in a circular opening of the suspended ceiling sunk. The assembly takes place for example by means of a mounting ring, which is first fixed to the ceiling. Subsequently, a unit consisting of light source carrier and reflector can be attached to the mounting ring. The light emitted by the light source is then emitted substantially vertically downwards via the reflector.
- a downlight which allows the attachment of such additional optical components.
- a retaining ring is provided which is fixed to the outer periphery of a front flange of the reflector. This ring allows the insertion of an optical element, such as a transparent disc.
- the present invention has for its object to provide an alternative to the previously described known embodiment, a solution for mounting an additional component in a downlight.
- the light source is arranged in a recess of the heat sink, wherein in the recess further a pot-like head reflector is arranged and the additional optical element between the reflector and head reflector is clamped and the head reflector is fixed by means of the retaining ring.
- the additional optical element is not attached to the light exit opening of the reflector, but instead stored between the retaining ring or base body and reflector, more precisely between the head reflector and the reflector. There it is fixed when joining the two elements, or jammed, so that a reliable support is guaranteed.
- the solution according to the invention would also open up the possibility, in addition to the light exit opening of the reflector to arrange further additional components. For this purpose, in turn, the solution known from the prior art could be used.
- the connecting device between retaining ring and reflector is preferably formed by a screw connection or a bayonet connection. This allows easy joining of both elements. A release of the connection, for example, to replace the additional optical element, is readily possible.
- the installation of the recessed luminaire in a ceiling is preferably again via a mounting ring, which is provided for attachment in the ceiling opening.
- the assembly is then fixed consisting of base body and reflector, which in turn preferably a screw or Bayonet connection is provided.
- the mounting ring may have latching means for latching or jamming with the ceiling, which are preferably provided in a support area with a friction increasing element or with a corresponding coating. A rotation of the downlight relative to the ceiling is thereby prevented.
- FIGS. 1 and 2 show first views of the generally provided with the reference numeral 1 recessed luminaire according to the invention in the fully assembled state. It is a so-called downlight, which is to be mounted in the circular opening of a suspended ceiling.
- a special feature in the present case is that the support elements 57 are provided with a friction-increasing element 58 or a coating. It may be, for example, a rubber ring or a corresponding plugged element made of rubber or plastic, by which the friction with the surface of the ceiling is significantly increased. As a result, an unintentional rotation of the mounting ring 50 and ultimately the entire lamp is prevented from the ceiling.
- the actual lighting unit is mounted as already mentioned.
- this consists on the one hand of a base body and on the other hand of a dome-shaped reflector.
- a modular design of the luminaire according to the invention is thereby created, which makes it possible to use reflectors of different types and also to use optical elements for influencing the light output in a simple manner.
- the base body is in this case formed by a cylinder-like heat sink 10, which serves in particular to support and cool the light source.
- the light source is formed in particular by an LED module 15, which has a plurality of LEDs arranged on a circuit board.
- This board 15 is disposed in a recess of the heat sink 10 and preferably attached directly to the heat sink to allow a good heat transfer.
- the heat sink 10, which has a plurality of cooling fins 11 which extend from a massive central region 12 to the side, is for this purpose formed on one side with a slightly tapered recess, at the bottom of the support surface is formed for the LED board.
- a dome-shaped plastic element 17 and a dome-shaped head reflector 18 are then also arranged.
- the head reflector 18, which in further views in the FIGS. 7a and 7b is shown here serves to effectively direct the light emitted by the LEDs in a large spatial area light to the bottom.
- this head reflector 18 consists of a relatively flexible plastic material, which has been deep-drawn into the appropriate shape.
- FIGS. 8a and 8b show further views of this retaining ring 20, which is preferably formed of plastic material and fixed in the screwed on the heat sink 10 state, the plastic part 17 with the head reflector 18 clamped.
- Another essential function of the retaining ring 20 is to provide a releasable connection for the actual dome-shaped reflector 25 of the lamp 1.
- a bayonet connection between the retaining ring 20 and reflector 25 is provided.
- the reflector in the FIGS. 9a and 9b is shown in detail, this has on the outside of the reflector wall three hooks 26, which form a bayonet connection with corresponding guide projections 22 on the retaining ring 20. This allows a simple and quick attachment of the reflector 25 to the heat sink 10, alternatively, a screw connection would be conceivable.
- connection - in the present case, the bayonet connection - between the retaining ring 20 and the reflector 25 is formed such that when attaching the reflector 25 optical elements can be inserted and fixed to influence the light output.
- a homogenization of the light output is to be achieved or it is desired that the individual LEDs of the LED board are no longer individually perceptible.
- an optical unit consisting of a plastic disk 30 and a light-scattering film 31 arranged in front of it is mounted. Both elements can - as shown below - now be inserted before fixing the reflector 25 to the retaining ring 20 in the ring 20. If subsequently the reflector 25 is fixed by means of the bayonet connection, this simultaneously leads to a fixation of the optical elements 30, 31.
- the plastic part 17 and the head reflector 18 are placed on the heat sink 10 with the attached LED module. Both elements are then fixed by means of the retaining ring 20, which is screwed by the screws 21 onto the heat sink 10, so that the in FIG. 5 shown arrangement results.
- the optical elements that is, the scattering film 31 and the plastic disk 30 are then inserted into the retaining ring 20.
- the reflector 25 is placed on the retaining ring 20 and rotated in order to achieve a catch on the bayonet connection.
- FIG. 6 illustrated assembly consisting of heat sink 10 and reflector 25 is then attached to the mounting ring 50 as described initially. Again, a connection is again using a bayonet lock, for which the reflector 25 has on its outer side further protruding pin 27, which cooperate with the corresponding guideways 52 on the mounting ring.
- the reflector 25 thus represents the link between mounting ring 50 and heat sink 10.
- the inventive concept described above namely to clamp the optical elements for influencing the light output between the head reflector and the dome reflector, is not limited to the illustrated disk-like optical elements. It would also be conceivable, for example, to arrange luminaire screens or comparable elements in a corresponding manner. Furthermore, in the case of disk-like elements, light-influencing elements with prismatic structures or the like could also be used.
- FIGS. 10 to 12 illustrated further embodiments of recessed luminaires according to the invention, in which different reflectors were used in each case.
- the figures show that the appearance of the luminaire and also its light output can be influenced by the replacement of the reflectors. So is the variant of FIGS. 10a to 10c the reflector 25 designed higher, resulting in a more concentrated light output to the bottom out.
- the variants of Figures 11 and 12 correspond to the first and second embodiments, but here has the reflector 25 on the bottom no peripheral frame. In this so-called frameless variant of the mounting ring is designed slightly different, since it is now either plastered after installation or is attached to the ceiling from the top.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Die vorliegende Erfindung betrifft eine Einbauleuchte gemäß dem Oberbegriff des Anspruchs 1, welche einen Basiskörper zur Halterung einer Lichtquelle sowie einen domförmigen Reflektor aufweist, der über eine Verbindungseinrichtung lösbar an dem Basiskörper befestigt ist. Insbesondere betrifft die vorliegende Erfindung ein sogenanntes Downlight.The present invention relates to a recessed luminaire according to the preamble of
Einbauleuchten der vorstehend beschriebenen Art werden üblicherweise in abgehängten Deckensystemen verwendet. Sie werden hierbei in einer kreisrunden Öffnung der abgehängten Decke versenkt angeordnet. Die Montage erfolgt beispielsweise mit Hilfe eines Montagerings, der zunächst an der Decke fixiert wird. Anschließend kann eine Baueinheit bestehend aus Lichtquellenträger und Reflektor an dem Montagering befestigt werden. Über den Reflektor wird dann das von der Lichtquelle abgegebene Licht im Wesentlichen senkrecht nach unten abgegeben.Recessed luminaires of the type described above are commonly used in suspended ceiling systems. They are here sunk in a circular opening of the suspended ceiling sunk. The assembly takes place for example by means of a mounting ring, which is first fixed to the ceiling. Subsequently, a unit consisting of light source carrier and reflector can be attached to the mounting ring. The light emitted by the light source is then emitted substantially vertically downwards via the reflector.
Durch die Wahl und Ausgestaltung des Reflektors kann die Lichtabgabe des Downlights in gewisser Weise beeinflusst werden. Oftmals ist auch gewünscht, innerhalb des Reflektors bzw. an dessen Lichtaustrittsöffnung ein optisches Element anzuordnen, um die Lichtabgabe in bestimmter Weise zu beeinflussen. Bei diesem optischen Element kann es sich um einen transparenten Körper mit lichtstreuenden oder lichtbrechenden Eigenschaften handeln. Auch die Montage eines Leuchtenrasters wäre denkbar.The choice and design of the reflector, the light output of the downlight can be influenced in some ways. Often, it is also desirable to arrange an optical element within the reflector or at its light exit opening in order to influence the light output in a certain way. This optical element may be a transparent body having light-diffusing or refractive properties. The installation of a lighting grid would be conceivable.
In der
transparenten Scheibe.In the
transparent disc.
Auch aus der
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine zu der zuvor beschriebenen bekannten Ausführungsform alternative Lösung zur Befestigung eines Zusatzbauteils bei einem Downlight anzugeben.The present invention has for its object to provide an alternative to the previously described known embodiment, a solution for mounting an additional component in a downlight.
Die Aufgabe wird durch eine Einbauleuchte mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung sind Gegenstand der abhängigen Ansprüche. Die erfindungsgemäße Einbauleuchte weist zunächst eine Lichtquelle, einen Basiskörper zur Halterung der Lichtquelle, der als Kühlkörper ausgestaltet ist, einen Haltering, der an den Kühlkörper angeschraubt ist, sowie einen domförmigen Reflektor auf, der über eine Verbindungseinrichtung lösbar an dem Haltering befestigt ist. Außerdem ist die Verbindungseinrichtung derart ausgebildet ist, dass im verbundenen Zustand von Haltering und Reflektor zwischen beiden Elementen ein zusätzliches optisches Element zur Beeinflussung der Lichtabgabe aufgenommen und fixiert ist. Die Lichtquelle ist dabei in einer Vertiefung des Kühlkörpers angeordnet, wobei in der Vertiefung ferner ein topfartiger Kopfreflektor angeordnet ist und das zusätzliche optische Element zwischen dem Reflektor und Kopfreflektor eingeklemmt ist und der Kopfreflektor mit Hilfe des Halterings fixiert ist.The object is achieved by a recessed luminaire with the features of
Mit anderen Worten, bei der vorliegenden Erfindung wird das zusätzliche optische Element nicht an der Lichtaustrittsöffnung des Reflektors befestigt, sondern stattdessen zwischen Haltering bzw. Basiskörper und Reflektor, genauer gesagt zwischen Kopfreflektor und Reflektor, gelagert. Dort wird es beim Zusammenfügen der beiden Elemente fixiert, bzw. verklemmt, so dass eine zuverlässige Halterung gewährleistet ist. Die erfindungsgemäße Lösung würde darüber hinaus auch die Möglichkeit eröffnen, zusätzlich an der Lichtaustrittsöffnung des Reflektors weitere Zusatzbauteile anzuordnen. Hierfür könnte wiederum die aus dem Stand der Technik bekannte Lösung verwendet werden.In other words, in the present invention, the additional optical element is not attached to the light exit opening of the reflector, but instead stored between the retaining ring or base body and reflector, more precisely between the head reflector and the reflector. There it is fixed when joining the two elements, or jammed, so that a reliable support is guaranteed. The solution according to the invention would also open up the possibility, in addition to the light exit opening of the reflector to arrange further additional components. For this purpose, in turn, the solution known from the prior art could be used.
Die Verbindungseinrichtung zwischen Haltering und Reflektor ist vorzugsweise durch eine Schraubverbindung bzw. eine Bajonettverbindung gebildet. Dies ermöglicht ein einfaches Zusammenfügen beider Elemente. Auch ein Lösen der Verbindung, um beispielsweise das zusätzliche optische Element auszutauschen, ist ohne Weiteres möglich.The connecting device between retaining ring and reflector is preferably formed by a screw connection or a bayonet connection. This allows easy joining of both elements. A release of the connection, for example, to replace the additional optical element, is readily possible.
Als Lichtquelle kommt im vorliegenden Fall vorzugsweise eine Lichtquelle auf LED-Basis zum Einsatz. Es kann sich beispielsweise um eine Platine handeln, auf der mehrere LEDs matrixartig angeordnet sind. In einem derartigen Fall muss berücksichtigt werden, dass beim Betrieb der LEDs eine nicht unbeträchtliche Wärme entsteht. Durch die Anordnung der Lichtquelle in einer Vertiefung des Kühlkörpers kann die Wärme effektiv abführt werden.In the present case, a light source based on LEDs is preferably used as the light source. It may, for example, be a circuit board on which a plurality of LEDs are arranged like a matrix. In such a case, it must be taken into account that not inconsiderable heat is generated during operation of the LEDs. The arrangement of the light source in a recess of the heat sink, the heat can be dissipated effectively.
Die Montage der Einbauleuchte in einer Decke erfolgt vorzugsweise wiederum über einen Montagering, der zur Befestigung in der Deckenöffnung vorgesehen ist. An diesem Montagering wird dann die Baueinheit bestehend aus Basiskörper und Reflektor befestigt, wozu wiederum vorzugsweise eine Schraub-oder Bajonettverbindung vorgesehen ist. Der Montagering kann dabei Rastmittel zum Verrasten bzw. Verklemmen mit der Decke aufweisen, wobei diese vorzugsweise in einem Auflagebereich mit einem die Reibung erhöhenden Element bzw. mit einer entsprechenden Beschichtung versehen sind. Eine Verdrehung des Downlights gegenüber der Decke wird hierdurch verhindert.The installation of the recessed luminaire in a ceiling is preferably again via a mounting ring, which is provided for attachment in the ceiling opening. At this mounting ring, the assembly is then fixed consisting of base body and reflector, which in turn preferably a screw or Bayonet connection is provided. The mounting ring may have latching means for latching or jamming with the ceiling, which are preferably provided in a support area with a friction increasing element or with a corresponding coating. A rotation of the downlight relative to the ceiling is thereby prevented.
Nachfolgend soll die Erfindung anhand der beiliegenden Zeichnung näher erläutert werden. Es zeigen:
- Fig. 1 und 2
- Ansichten eines ersten Ausführungsbeispiels einer erfindungsgemäßen Einbauleuchte;
- Fig. 3a
- eine Schnittdarstellung der Leuchte der
;Figuren 1 und 2 - Fig. 3b und 3c
- Schnittdarstellungen des Basiskörpers;
- Fig. 4 die
- Leuchte gemäß dem ersten Ausführungsbeispiel in Explosionsdarstellung;
- Fig. 5 und 6
- aufeinanderfolgende Schritte beim Zusammenfügen der Leuchte;
- Fig. 7a und 7b
- Ansichten eines bei der Leuchte der
verwendeten Kopfreflektors;Figuren 1 und 2 - Fig. 8a und 8b
- Ansichten eines Befestigungsrings zur Befestigung des domförmigen Reflektors an dem Basiskörper;
- Fig. 9a und 9b
- Ansichten eines domförmigen Reflektors;
- Fig. 10a bis 10c
- Ansichten eines zweiten Ausführungsbeispiels einer erfindungsgemäßen Leuchte;
- Fig. 11a und 11b
- Ansichten eines dritten Ausführungsbeispiels einer erfindungsgemäßen Leuchte und
- Fig. 12a und 12b
- Ansichten eines vierten Ausführungsbeispiels einer erfindungsgemäßen Leuchte.
- Fig. 1 and 2
- Views of a first embodiment of a recessed luminaire according to the invention;
- Fig. 3a
- a sectional view of the lamp of
Figures 1 and 2 ; - Fig. 3b and 3c
- Sectional views of the base body;
- Fig. 4 the
- Luminaire according to the first embodiment in exploded view;
- FIGS. 5 and 6
- successive steps in assembling the luminaire;
- Fig. 7a and 7b
- Views of the light of the
Figures 1 and 2 used head reflector; - Fig. 8a and 8b
- Views of a mounting ring for fixing the dome-shaped reflector to the base body;
- Fig. 9a and 9b
- Views of a domed reflector;
- Fig. 10a to 10c
- Views of a second embodiment of a lamp according to the invention;
- Fig. 11a and 11b
- Views of a third embodiment of a lamp according to the invention and
- Fig. 12a and 12b
- Views of a fourth embodiment of a lamp according to the invention.
Die
Die Montage erfolgt hierbei mit Hilfe eines Montagerings 50, der zunächst an der Einbauöffnung der - nicht dargestellten - Decke fixiert wird. Anschließend wird die eigentliche Leuchteneinheit an dem Montagering befestigt. Diese Art der Montage von Downlights ist bereits bekannt und soll dementsprechend im Folgenden nicht weiter besprochen werden. Lediglich kurz soll darauf hingewiesen werden, dass die Befestigung des Montagerings 50 an der Decke mit Hilfe von Rastmitteln erfolgt, welche insbesondere über den Umfang des Rings 50 verteilte Rastarme 55 umfassen, die höhenverstellbar an Stegen 56 angeordnet sind. Zum Einsetzen des Montagerings 50 in die Deckenöffnung werden die Arme 55 derart positioniert, dass sie das Einsetzen des Montagerings 50 ermöglichen. Anschließend erfolgt ein seitliches Ausschwenken der Arme 55 derart, dass Auflageelemente 57 auf der Oberseite der abgehängten Decke aufliegen. Gemeinsam mit dem an der Unterseite der Decke anliegenden umlaufenden Flansch 51 bewirken die Auflageelemente 57 eine Verklemmung des Montagerings 50 mit der Decke.The assembly takes place here using a mounting
Eine Besonderheit besteht im vorliegenden Fall dabei darin, dass die Auflageelemente 57 mit einem die Reibung erhöhenden Element 58 bzw. einer Beschichtung versehen sind. Es kann sich beispielsweise um einen Gummiring oder ein entsprechendes aufgestecktes Element aus Gummi oder Kunststoff handeln, durch welches die Reibung mit der Oberfläche der Decke deutlich erhöht wird. Hierdurch wird ein unbeabsichtigtes Verdrehen des Montagerings 50 und letztendlich der gesamten Leuchte gegenüber der Decke verhindert.A special feature in the present case is that the
Nach dem Fixieren des Montagrings 50 in der Deckenöffnung wird wie bereits erwähnt die eigentliche Leuchteneinheit montiert. Diese besteht im vorliegenden Fall zum einen aus einem Basiskörper sowie zum anderen aus einem domförmigen Reflektor. Wie später noch ausführlich erläutert, wird hierdurch eine modulartige Ausgestaltung der erfindungsgemäßen Leuchte geschaffen, die es ermöglicht, Reflektoren unterschiedlicher Art zu verwenden und ferner auch in einfacher Weise optische Elemente zur Beeinflussung der Lichtabgabe zu nutzen.After fixing the mounting
Die einzelnen Komponenten dieser zwei Baueinheiten der Leuchte können insbesondere auch der Explosionsdarstellung von
Der Basiskörper wird hierbei durch einen zylinderartigen Kühlkörper 10 gebildet, der insbesondere der Halterung und Kühlung der Lichtquelle dient. Im vorliegenden Fall ist die Lichtquelle insbesondere durch ein LED-Modul 15 gebildet, welches mehrere auf einer Platine angeordnete LEDs aufweist. Diese Platine 15 ist in einer Vertiefung des Kühlkörpers 10 angeordnet und vorzugsweise unmittelbar auf dem Kühlkörper befestigt, um eine gute Wärmeübertragung zu ermöglichen. Der Kühlkörper 10, der eine Vielzahl von Kühllamellen 11 aufweist, die sich von einem massiven Zentralbereich 12 zur Seite erstrecken, ist hierzu an einer Seite mit einer sich leicht verjüngenden Vertiefung ausgebildet, an deren Boden die Auflagefläche für die LED-Platine gebildet ist. Innerhalb dieser Vertiefung werden dann ferner noch ein domförmiges Kunststoffelement 17 sowie ein domförmiger Kopfreflektor 18 angeordnet.The base body is in this case formed by a cylinder-
Der Kopfreflektor 18, der in weiteren Ansichten in den
Beide Elemente, also Kunststoffteil 17 und Kopfreflektor 18 werden mit Hilfe eines Halterings 20 an dem Kühlkörper 10 fixiert. Der Haltering 20 selbst wird mit Hilfe von Schrauben 21 an dem Kühlkörper 10 angeschraubt.
Eine weitere wesentliche Funktion des Halterings 20 besteht darin, eine lösbare Verbindung für den eigentlichen domförmigen Reflektor 25 der Leuchte 1 zu schaffen. Hierfür ist insbesondere eine Bajonettverbindung zwischen Haltering 20 und Reflektor 25 vorgesehen. Der Reflektor, der in den
Dabei ist die Verbindung - im vorliegenden Fall also die Bajonettverbindung - zwischen dem Haltering 20 und dem Reflektor 25 derart ausgebildet, dass beim Befestigen des Reflektors 25 optische Elemente zur Beeinflussung der Lichtabgabe eingefügt und fixiert werden können. Im dargestellten Ausführungsbeispiel soll insbesondere eine Vergleichmäßigung der Lichtabgabe erzielt werden bzw. es ist gewünscht, dass die einzelnen LEDs der LED-Platine nicht mehr individuell wahrnehmbar sind. Hierfür soll im oberen Bereich des Reflektors 25 eine optische Einheit bestehend aus einer Kunststoffscheibe 30 sowie einer davor angeordneten lichtstreuenden Folie 31 montiert werden. Beide Elemente können - wie nachfolgend gezeigt - nunmehr vor dem Fixieren des Reflektors 25 an dem Haltering 20 in den Ring 20 eingelegt werden. Wird anschließend der Reflektor 25 mittels der Bajonettverbindung fixiert, so führt dies gleichzeitig auch zu einer Fixierung der optischen Elemente 30, 31.In this case, the connection - in the present case, the bayonet connection - between the retaining
Aus dem zuvor beschriebenen Zusammenwirken der verschiedenen Komponenten der erfindungsgemäßen Leuchte ergibt sich nunmehr folgende Vorgehensweise beim Zusammenfügen bzw. Montieren.From the above-described interaction of the various components of the luminaire according to the invention, the following procedure now results during assembly or assembly.
Zunächst werden auf den Kühlkörper 10 mit dem daran befestigten LED-Modul das Kunststoffteil 17 und der Kopfreflektor 18 aufgesetzt. Beide Elemente werden dann mit Hilfe des Halterings 20, der durch die Schrauben 21 auf den Kühlkörper 10 aufgeschraubt wird, fixiert, so dass sich die in
Die sich hierbei ergebende und in
Letztendlich ergibt sich dann die in den
Das zuvor beschriebene erfindungsgemäße Konzept, nämlich die optischen Elemente zur Beeinflussung der Lichtabgabe zwischen Kopfreflektor und Domreflektor einzuklemmen, ist nicht auf die dargestellten scheibenartigen optischen Elemente beschränkt. Denkbar wäre beispielsweise auch, Leuchtenraster oder vergleichbare Elemente in entsprechender Weise anzuordnen. Ferner könnten im Falle scheibenartiger Elemente auch lichtbeeinflussende Elemente mit Prismenstrukturen oder dergleichen eingesetzt werden.The inventive concept described above, namely to clamp the optical elements for influencing the light output between the head reflector and the dome reflector, is not limited to the illustrated disk-like optical elements. It would also be conceivable, for example, to arrange luminaire screens or comparable elements in a corresponding manner. Furthermore, in the case of disk-like elements, light-influencing elements with prismatic structures or the like could also be used.
Desweitern eröffnet die modulartige Bauweise der erfindungsgemäßen Leuchte die Möglichkeit, in einfacher Weise einen Wechsel des Reflektors vorzunehmen. Beispielhaft sind in den
Das Zusammenfügen und Montieren der Leuchte erfolgt allerdings in sämtlichen Beispielen in gleicher Weise, so dass letztendlich unterschiedlich ausgestaltete Einbauleuchten realisiert werden können. Bei all diesen Varianten besteht der oben beschriebene Vorteil der Möglichkeit, in einfacher Weise optische Elemente zum Beeinflussen die Lichtabgabe anordnen zu können.However, the assembly and assembly of the luminaire takes place in the same way in all the examples, so that finally differently designed recessed luminaires can be realized. In all these variants, the advantage described above of the possibility of being able to easily arrange optical elements for influencing the light output.
Claims (8)
- Recessed luminaire (1) with
a light source (15),
a base body for holding the light source (15), which is designed as a heat sink (10),
a retaining ring (20) which is screwed onto the heat sink (10), as well as a dome-shaped reflector (25), which is releasedly attached to the retaining ring (20) via a connecting device,
wherein the connecting device is so formed that an additional optical element (30, 31) for influencing the light output is received and fixed in the connected state of the retaining ring (20) and reflector (25),
wherein the light source (15) is arranged in a recess of the heat sink (10), and a pot-like head reflector (18) is further arranged in the recess, and
wherein the additional optical element (30, 31) is clamped between the reflector (25) and upper reflector (18), and the top reflector (18) is fixed with the help of the retaining ring (20). - Recessed luminaire
characterized in that
the connecting device is formed by a screw connection or a bayonet connection. - Recessed luminaire according to one of the preceding claims,
characterized in that
this further comprises a mounting ring (50) for fastening in a ceiling opening. - Recessed luminaire according to claim 3,
characterized in that
the mounting ring (50) has latching means (57) for locking or jamming with the ceiling, wherein the latching means (57) are provided in a support area with a friction-enhancing element (58) or a coating. - Recessed luminaire according to claim 3 or 4,
characterized in that
the reflector (25) is preferably releasedly connected to the mounting ring (50) via a screw connection or bayonet connection. - Recessed luminaire according to one of the preceding claims, characterized
in that
the light source (15) comprises one or more LEDs. - Recessed luminaire according to one of the preceding claims, characterized
in that
the additional optical element is formed by a diffusion disc or diffusion sheet (31). - Recessed luminaire according to any one of the claims I to 6, characterized in
that
the additional optical element is formed by a grid.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202010002676U DE202010002676U1 (en) | 2010-02-23 | 2010-02-23 | Recessed luminaire with base body and domed reflector |
PCT/EP2011/052651 WO2011104258A2 (en) | 2010-02-23 | 2011-02-23 | Recessed light having a base body and a dome-shaped reflector |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2539629A2 EP2539629A2 (en) | 2013-01-02 |
EP2539629B1 true EP2539629B1 (en) | 2016-08-24 |
Family
ID=44227894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11704985.8A Active EP2539629B1 (en) | 2010-02-23 | 2011-02-23 | Recessed light having a base body and a dome-shaped reflector |
Country Status (5)
Country | Link |
---|---|
US (1) | US8801217B2 (en) |
EP (1) | EP2539629B1 (en) |
CN (1) | CN102822591B (en) |
DE (1) | DE202010002676U1 (en) |
WO (1) | WO2011104258A2 (en) |
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Also Published As
Publication number | Publication date |
---|---|
WO2011104258A2 (en) | 2011-09-01 |
WO2011104258A3 (en) | 2011-11-24 |
DE202010002676U1 (en) | 2011-07-26 |
CN102822591A (en) | 2012-12-12 |
US20130051012A1 (en) | 2013-02-28 |
EP2539629A2 (en) | 2013-01-02 |
US8801217B2 (en) | 2014-08-12 |
CN102822591B (en) | 2015-08-05 |
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