EP3217070B1 - Illumination device - Google Patents
Illumination device Download PDFInfo
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- EP3217070B1 EP3217070B1 EP16159990.7A EP16159990A EP3217070B1 EP 3217070 B1 EP3217070 B1 EP 3217070B1 EP 16159990 A EP16159990 A EP 16159990A EP 3217070 B1 EP3217070 B1 EP 3217070B1
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- EP
- European Patent Office
- Prior art keywords
- illumination device
- symmetry
- plane
- reflector
- receiving device
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- 238000005286 illumination Methods 0.000 title claims description 22
- 241000237983 Trochidae Species 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005457 optimization 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
- F21V7/00—Reflectors for light sources
- F21V7/0008—Reflectors for light sources providing for indirect lighting
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- 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
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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
- F21V7/00—Reflectors for light sources
- F21V7/0083—Array of reflectors for a cluster of light sources, e.g. arrangement of multiple light sources in one plane
Definitions
- the invention relates to a lighting device for illuminating a, in particular rectangular, surface piece of a facade, wall, ceiling, floor surface or the like, with at least three radiators, each having a point light source, preferably in the form of an LED, and a light source associated with the reflector the reflector substantially completely captures the light of the associated light source and casts it on the patch to be illuminated, and is composed of two shell halves, each of which shell halves distributes the respective captured light to the entire patch to be illuminated.
- Such lighting devices are also known under the name “wallwasher” in the lighting industry and serve to illuminate a, in particular rectangular, surface piece of a facade, wall ceiling, floor surface or the like as homogeneously as possible.
- a lighting device is known from WO 2014/019703 known. Although it has been found that the illumination device disclosed in this document achieves an improvement in the illumination of a patch in terms of homogeneity compared to the prior art mentioned in this document, there is still a need for optimization in this respect. A tilt of the radiator to each other is in the WO 2014/019703 shown as disadvantageous.
- the objective technical object of the present invention is therefore to provide a lighting device according to the preamble of claim 1, which is characterized in particular by an even more homogeneous lighting a, in particular rectangular, surface piece of a facade, wall, ceiling, floor surface or the like and a reduced space requirement Has.
- the reflector is formed substantially mirror-symmetrical to a plane of symmetry and the lighting device comprises a receiving device for the radiator, wherein the at least three radiators are arranged in the receiving device such that the plane of symmetry of at least one, preferably each, reflector opposite tilted at each plane of symmetry of all other reflectors.
- the reflector has a mounting plate, via which it is connected to the receiving device, and the mounting plate is aligned substantially perpendicular to the plane of symmetry.
- each mounting plate of each reflector is tilted with respect to each mounting plate of all other reflectors.
- the reflectors of the at least three radiators are arranged substantially mirror-symmetrically to a main plane of symmetry, preferably wherein the main plane of symmetry is arranged substantially in the middle of the cradle, and particularly preferably the cradle is formed substantially mirror-symmetrical to this main plane of symmetry of the reflectors ,
- the reflectors as such are constructed essentially mirror-symmetrically, but also arranged relative to one another essentially mirror-symmetrically to a main plane of symmetry.
- the planes of symmetry of the reflectors of at least three radiators have a common axis of intersection and / or the illumination device comprises an odd number of radiators.
- the receiving device is cuboid, and preferably comprises five radiators or the receiving device is cylindrical, and preferably comprises three radiators.
- the lighting device comprises a mounting device for mounting the lighting device on a ceiling or the like.
- the lighting device has a pivoting mechanism, via which the receiving device is pivotable relative to the mounting device.
- the Swiveling mechanism designed such that it allows a pivoting of the receiving device to a - in the position of use of the lighting device - vertical axis, preferably by 360 °, and / or - in the position of use of the lighting device - horizontal axis, preferably by 90 °.
- FIG. 1 shows an exploded view of a first preferred embodiment of the lighting device.
- the centerpiece is a receiving device 21 for receiving five radiators 5, 6, 7, 8, and 9 (see FIG FIG. 2 ).
- the radiators 5, 6, 7, 8 and 9 each comprise an LED module 34 with a point-shaped light source in the form of an LED and a reflector 13 associated with the light source. Details of this reflector 13 are described with reference to FIGS FIG. 9 described in detail below.
- the radiators 5, 6, 7, 8, and 9 are arranged in a housing 33.
- the housing 33 is closed by means of a cover 36.
- the rear sides of the reflectors 13, which protrude out of the housing 33, are covered by a rear wall 35 connected or connectable to the housing 33.
- a heat sink 57 is arranged at the top of the housing 33.
- the lighting device further comprises a mounting device 26 for mounting the lighting device on a ceiling or the like.
- This mounting device 26 is composed in this embodiment of two angled longitudinal plates 38, which are connected to each other via two arranged on the short sides sheet metal parts 39.
- the mounting device 26 can be inserted into an opening in the ceiling. Subsequently, the receiving device 21 can then be releasably locked via two arranged on the receiving device 21 Federschnapper 37.
- FIG. 2 shows the lighting device 1 according to this embodiment in the assembled state.
- FIG. 3 shows a view of this lighting device 1 from below.
- the light emitted by the lighting device 1 is emitted to the left in this illustration.
- the relative orientation and arrangement of the radiators 5, 6, 7, 8, and 9 and the reflectors 13 of these radiators in this lighting device 1 is apparent:
- a central radiator 7 Adjacent to a central radiator 7, which is arranged in the center of the receiving device 21, two further radiators 5, 6 and 8 and 9 are arranged on both sides.
- the plane of symmetry 18 of the central radiator 7 is aligned substantially perpendicular to the longitudinal sides of the receiving device 21 (the angle 56 is thus approximately 90 °).
- the reflectors 13 of the radiators 5, 7, and 9 and 6, 7 and 8 each have a common cutting axis 32 and 25, wherein these cutting axes 25 and 32 are arranged parallel to each other.
- the plane of symmetry 17 of the reflector 13 of the radiator 6 is tilted at an angle 50 with respect to the plane of symmetry 18 of the reflector 13 of the radiator 7.
- the plane of symmetry 19 of the reflector 13 of the radiator 8 is tilted at an angle 49 with respect to the plane of symmetry 18 of the reflector 13 of the radiator 7.
- the two angles 49 and 50 are substantially equal, only the signs differ relative to the plane of symmetry 18.
- the reflectors 13 of the radiators 6 and 8 are rotated in opposite directions from the central radiator 7.
- the plane of symmetry 16, 17, 18, 19 and 20 of each reflector 13 is tilted with respect to each plane of symmetry 16, 17, 18, 19, 20 of all other reflectors.
- the reflectors 13 of the radiators 5, 6, 7, 8 and 9 are arranged substantially mirror-symmetrically to a main symmetry plane 24, this main symmetry plane 24 being substantially congruent with the plane of symmetry 18 of the reflector 13 of the central radiator 7 ,
- the main plane of symmetry 24 is arranged substantially in the center of the receiving device 21.
- the receiving device 21 is formed substantially mirror-symmetrically to this main plane of symmetry 24 of the reflectors 13.
- FIGS. 4 and 5 show two side views of the lighting device 1 according to the first preferred embodiment and once in the case of FIG. 4 in a plan view of one of the long sides and in the case of FIG. 5 in a plan view of one of the end faces.
- FIG. 6 shows an exploded view of a lighting device 2 according to a second preferred embodiment.
- the lighting device 2 in this case comprises a cylindrical receiving device 22, in which a total of three radiators 10, 11 and 12 are arranged. Details of the pickup device 22 will be described with reference to the following FIG. 8 described in more detail.
- the lighting device 2 further comprises a mounting device 27 for mounting the lighting device 2 on a ceiling or the like.
- the mounting device 27 is composed in detail of a lower housing part 40 and an upper housing part 41, wherein between the two housing parts 40 and 41, a power supply unit 44 for the three point-shaped light sources in the form of LEDs of the radiator 10, 11 and 12 is arranged.
- the mounting device 27 is designed to be fastened to a rail system to which the mains voltage is applied.
- an adapter 42 which is arranged on the outer side of the upper housing half 41, is provided.
- the receiving device 22 is connected via a pivoting mechanism 29 (see FIG FIG. 8 ) relative to the mounting device 27 pivotally.
- FIG. 7 shows a side view of the lighting device 2 in the assembled state.
- FIG. 8 shows an exploded view of the receiving device 22 and the pivoting mechanism 29, which on the one hand forms a bearing point on the receiving device 22 and on the other hand a bearing point on the mounting device 27.
- the receiving device 22 comprises a cylindrical housing 43, which can be closed by a cover 45. Through this cover, a part of the pivoting mechanism 29 passes.
- the pivoting mechanism 29 is designed such that it allows a pivoting of the receiving device 22 by a vertical axis 30 in the position of use of the lighting device 2 by 360 ° and in the position of use of the lighting device 2 horizontal axis 31 by 90 °.
- About a pin 58 of the pivoting mechanism and thus the receiving device 22 are mounted on the mounting device 27.
- a heat sink 59 is arranged in the upper part of the housing 43. This serves to efficiently dissipate heat generated by the operation of the radiators 10, 11, and 12 arranged in the lower part of the housing 43.
- the device for holding the three radiators 10, 11 and 12 is composed of an upper part 46 and a lower part 47, wherein on the lower part 47 attachment points for the three radiators 10, 11 and 12 are formed.
- the three radiators 10, 11 and 12 each comprise a punctiform light source in the form of an LED, which is formed on an LED module 34, and a reflector 13 associated with the light source.
- the planes of symmetry of the reflectors 13 are substantially perpendicular to the mounting plate 23 of the reflectors 13 (compare FIG. 9 ) or to the LED modules 34 aligned. In the planes of symmetry are the dashed lines 53, 54, 55, which make the attachment of the radiators 10, 11 and 12 at the lower part 47 by means of fasteners 60 in the form of cylinder screws, mark.
- each reflector 13 is tilted with respect to each plane of symmetry of all the other reflectors 13.
- the plane of symmetry of the reflector 13 of the central radiator 12 coincides with a main plane of symmetry, to which the reflectors 13 of the three radiators 10, 11 and 12 are arranged substantially mirror-symmetrically.
- this main symmetry plane is in turn arranged substantially in the middle of the receiving device 22 and the receiving device 22 is formed substantially mirror-symmetrically to this main symmetry plane of the reflectors 13.
- FIG. 9 shows a preferred embodiment of the reflector 13 of the radiator 5, 6, 7, 8, 9, 10, 11 and 12.
- the reflector 13 is formed so that it substantially completely captures the light of the associated light source and the surface to be illuminated throws.
- the reflector 13 is composed of two shell halves 14 and 15, of which shell halves 14 and 15 each distributes the respective captured light to the entire surface to be illuminated.
- the reflector 13 is in Essentially formed mirror-symmetrically to a plane of symmetry.
- the plane of symmetry is indicated by a dashed line 61.
- the reflector further comprises a mounting plate 23, via which it can be connected to the receiving device 21 or 22 of the lighting device 1 and 2 respectively.
- the mounting plate 23 is aligned substantially perpendicular to the plane of symmetry of the reflector 13.
- On the inner surface of the two shell halves 14 and 15 facets 48 are arranged.
- the reflector 13 is simply reflective. This means that all the light emitted and captured by the associated light source is only reflected once.
- Each of the shell halves 14 and 15 distributes the respective captured light with single reflection to the entire area illuminated by the reflector 13.
- the shell halves 14 and 15 are each formed double convergent reflective, such that the entire captured light is radiated substantially completely on different sides of the associated light source to the light source, each having a left shell edge portion of the shell halves 14 and 15th a right edge portion of the illuminated patch illuminates and a right bowl edge portion of the shell halves 14 and 15 illuminates a left edge portion of the illuminated patch, a lower shell edge portion of the shell halves 14 and 15 illuminates an upper edge portion of the illuminated patch and a top shell edge portion of the shell halves 14 and 15 illuminates a lower one Edge portion of the illuminated patch illuminated.
- the reflector 13 can be connected to the LED module 34 in such a way that the punctiform light source in the form of an LED is arranged substantially in the plane of symmetry of the reflector 13, ie approximately in the middle.
- FIG. 10 schematically shows a possible arrangement of the lighting device 1 or 2 on a ceiling 28 of a room for illuminating a rectangular sheet 3 of a wall 4.
- the width 62 of the lighting device 1 and 2 is in relation to the width 63 of the illuminated sheet 3 comparatively low, a Advantage associated with the solution according to the WO 2014/019703 A1 is not achievable.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Description
Die Erfindung betrifft eine Beleuchtungsvorrichtung zur Beleuchtung eines, insbesondere rechteckigen, Flächenstücks einer Fassade, Wand, Decke, Bodenfläche oder dergleichen, mit zumindest drei Strahlern, welche jeweils eine punktförmige Lichtquelle, vorzugsweise in Form einer LED, und einen der Lichtquelle zugeordneten Reflektor aufweisen, wobei der Reflektor das Licht der zugeordneten Lichtquelle im Wesentlichen vollständig einfängt und auf das zu beleuchtende Flächenstück wirft, und aus zwei Schalenhälften zusammengesetzt ist, von welchen Schalenhälften jede das jeweils eingefangene Licht auf das gesamte zu beleuchtende Flächenstück verteilt.The invention relates to a lighting device for illuminating a, in particular rectangular, surface piece of a facade, wall, ceiling, floor surface or the like, with at least three radiators, each having a point light source, preferably in the form of an LED, and a light source associated with the reflector the reflector substantially completely captures the light of the associated light source and casts it on the patch to be illuminated, and is composed of two shell halves, each of which shell halves distributes the respective captured light to the entire patch to be illuminated.
Derartige Beleuchtungsvorrichtungen sind auch unter der Bezeichnung "Wallwasher" in der Beleuchtungsindustrie bekannt und dienen dazu, ein, insbesondere rechteckiges, Flächenstück einer Fassade, Wanddecke, Bodenfläche oder dergleichen möglichst homogen auszuleuchten.Such lighting devices are also known under the name "wallwasher" in the lighting industry and serve to illuminate a, in particular rectangular, surface piece of a facade, wall ceiling, floor surface or the like as homogeneously as possible.
Eine Beleuchtungsvorrichtung gemäß dem Oberbegriff des Anspruchs 1 ist aus der
Ein weiterer Nachteil der in der
Die objektive technische Aufgabe der vorliegenden Erfindung besteht somit darin, eine Beleuchtungsvorrichtung gemäß dem Oberbegriff des Anspruchs 1 anzugeben, welche sich insbesondere durch eine noch homogenere Beleuchtung eines, insbesondere rechteckigen, Flächenstücks einer Fassade, Wand, Decke, Bodenfläche oder dergleichen auszeichnet und einen reduzierten Platzbedarf hat.The objective technical object of the present invention is therefore to provide a lighting device according to the preamble of
Diese Aufgabe wird gelöst durch die Merkmale des unabhängigen Anspruchs 1.This object is achieved by the features of
Es ist also erfindungsgemäß vorgesehen, dass der Reflektor im Wesentlichen spiegelsymmetrisch zu einer Symmetrieebene ausgebildet ist und die Beleuchtungsvorrichtung eine Aufnahmevorrichtung für die Strahler aufweist, wobei die zumindest drei Strahler derart in der Aufnahmevorrichtung angeordnet sind, dass die Symmetrieebene zumindest eines, vorzugsweise jedes, Reflektors gegenüber jeder Symmetrieebene aller übrigen Reflektoren verkippt ist.It is therefore provided according to the invention that the reflector is formed substantially mirror-symmetrical to a plane of symmetry and the lighting device comprises a receiving device for the radiator, wherein the at least three radiators are arranged in the receiving device such that the plane of symmetry of at least one, preferably each, reflector opposite tilted at each plane of symmetry of all other reflectors.
Überraschenderweise führt also gerade eine spezielle Ausführungsform der in der
Gemäß einer bevorzugten Ausführungsform ist es vorgesehen, dass der Reflektor eine Montageplatte aufweist, über welche er mit der Aufnahmevorrichtung verbunden ist, und die Montageplatte im Wesentlichen senkrecht zur Symmetrieebene ausgerichtet ist. Für den Fall, dass die Symmetrieebene jedes Reflektors gegenüber jeder Symmetrieebene aller übrigen Reflektoren verkippt ist, ist auch jede Montageplatte jedes Reflektors gegenüber jeder Montageplatte aller übrigen Reflektoren verkippt.According to a preferred embodiment, it is provided that the reflector has a mounting plate, via which it is connected to the receiving device, and the mounting plate is aligned substantially perpendicular to the plane of symmetry. In the event that the symmetry plane of each reflector with respect to each plane of symmetry of all other reflectors is tilted, each mounting plate of each reflector is tilted with respect to each mounting plate of all other reflectors.
Vorteilhafterweise ist es vorgesehen, dass die Reflektoren der zumindest drei Strahler im Wesentlichen spiegelsymmetrisch zu einer Hauptsymmetrieebene angeordnet sind, bevorzugt wobei die Hauptsymmetrieebene im Wesentlichen in der Mitte der Aufnahmevorrichtung angeordnet ist, und besonders bevorzugt die Aufnahmevorrichtung im Wesentlichen spiegelsymmetrisch zu dieser Hauptsymmetrieebene der Reflektoren ausgebildet ist. In diesem Fall sind also nicht nur die Reflektoren als solche im Wesentlichen spiegelsymmetrisch aufgebaut, sondern auch relativ zueinander im Wesentlichen spiegelsymmetrisch zu einer Hauptsymmetrieebene angeordnet.Advantageously, it is provided that the reflectors of the at least three radiators are arranged substantially mirror-symmetrically to a main plane of symmetry, preferably wherein the main plane of symmetry is arranged substantially in the middle of the cradle, and particularly preferably the cradle is formed substantially mirror-symmetrical to this main plane of symmetry of the reflectors , In this case, therefore, not only the reflectors as such are constructed essentially mirror-symmetrically, but also arranged relative to one another essentially mirror-symmetrically to a main plane of symmetry.
Als günstig hat es sich im Hinblick auf die Lichtverteilung auch herausgestellt, dass die Symmetrieebenen der Reflektoren von zumindest drei Strahlern eine gemeinsame Schnittachse aufweisen und/oder die Beleuchtungsvorrichtung eine ungerade Anzahl an Strahlern umfasst.With regard to the light distribution, it has also proved to be favorable that the planes of symmetry of the reflectors of at least three radiators have a common axis of intersection and / or the illumination device comprises an odd number of radiators.
Zwei besonders bevorzugter Ausführungsformen bestehen darin, dass die Aufnahmevorrichtung quaderförmig ausgebildet ist, und vorzugsweise fünf Strahler umfasst oder die Aufnahmevorrichtung zylinderförmig ausgebildet ist, und vorzugsweise drei Strahler umfasst.Two particularly preferred embodiments are that the receiving device is cuboid, and preferably comprises five radiators or the receiving device is cylindrical, and preferably comprises three radiators.
Gemäß einer vorteilhaften Ausführungsform ist es vorgesehen, dass die Beleuchtungsvorrichtung eine Montagevorrichtung zur Montage der Beleuchtungsvorrichtung an einer Decke oder dergleichen umfasst.According to an advantageous embodiment, it is provided that the lighting device comprises a mounting device for mounting the lighting device on a ceiling or the like.
Um die Ausrichtung der Beleuchtungsvorrichtung relativ zu dem zu beleuchtenden Flächenstück zu vereinfachen, kann es ergänzend vorgesehen sein, dass die Beleuchtungsvorrichtung einen Verschwenkmechanismus aufweist, über welchen die Aufnahmevorrichtung gegenüber der Montagevorrichtung verschwenkbar ist. Vorteilhafterweise ist dabei der Verschwenkmechanismus derart ausgebildet, dass er eine Verschwenkung der Aufnahmevorrichtung um eine - in Gebrauchslage der Beleuchtungsvorrichtung - vertikale Achse, vorzugsweise um 360°, und/oder eine - in Gebrauchslage der Beleuchtungsvorrichtung - horizontale Achse, vorzugsweise um 90°, ermöglicht.In order to simplify the alignment of the lighting device relative to the surface piece to be illuminated, it may be additionally provided that the lighting device has a pivoting mechanism, via which the receiving device is pivotable relative to the mounting device. Advantageously, is the Swiveling mechanism designed such that it allows a pivoting of the receiving device to a - in the position of use of the lighting device - vertical axis, preferably by 360 °, and / or - in the position of use of the lighting device - horizontal axis, preferably by 90 °.
Weitere Einzelheiten und Vorteile der vorliegenden Erfindung werden anhand der Figurenbeschreibung unter Bezugnahme auf die Zeichnungen im Folgenden näher erläutert.Further details and advantages of the present invention will be explained in more detail below with reference to the description of the figures with reference to the drawings.
- Fig. 1Fig. 1
- eine Beleuchtungsvorrichtung gemäß einer ersten bevorzugten Ausführungsform in einer Explosionsdarstellung,a lighting device according to a first preferred embodiment in an exploded view,
- Fig. 2Fig. 2
-
die Beleuchtungsvorrichtung gemäß
Figur 1 im zusammengebauten Zustand in einer perspektiven Ansicht,the lighting device according toFIG. 1 when assembled in a perspective view, - Fig. 3Fig. 3
-
die Beleuchtungsvorrichtung gemäß
Figur 1 bzw. 2 im zusammengebauten Zustand in einer Ansicht von unten,the lighting device according toFIG. 1 or 2 in the assembled state in a view from below, - Fig. 4Fig. 4
-
die Beleuchtungsvorrichtung gemäß
Figur 1, 2 bzw. 3 im zusammengebauten Zustand in einer ersten Seitenansicht,the lighting device according toFIG. 1, 2 or 3 in the assembled state in a first side view, - Fig. 5Fig. 5
-
die Beleuchtungsvorrichtung gemäß
Figur 1, 2 ,3 bzw. 4 im zusammengebauten Zustand in einer zweiten Seitenansicht,the lighting device according toFIG. 1, 2 .3 4 in the assembled state in a second side view, - Fig. 6Fig. 6
- eine Beleuchtungsvorrichtung gemäß einer zweiten bevorzugten Ausführungsform in einer Explosionsdarstellung,a lighting device according to a second preferred embodiment in an exploded view,
- Fig. 7Fig. 7
-
die Beleuchtungsvorrichtung gemäß
Fig. 6 im zusammengebauten Zustand in einer Seitenansicht,the lighting device according toFig. 6 in the assembled state in a side view, - Fig. 8Fig. 8
-
eine Explosionsdarstellung der Aufnahmevorrichtung 22 der Beleuchtungsvorrichtung gemäß dem zweiten Ausführungsbeispiel,an exploded view of the
receiving device 22 of the lighting device according to the second embodiment, - Fig. 9Fig. 9
- eine vorteilhafte Ausgestaltung des Reflektors in einer perspektivischen Ansicht, undan advantageous embodiment of the reflector in a perspective view, and
- Fig. 10Fig. 10
- eine schematische Darstellung einer an einer Decke angeordneten erfindungsgemäßen Beleuchtungsvorrichtung zur Beleuchtung eines rechteckigen Flächenstücks einer Wand.a schematic representation of a arranged on a ceiling lighting device according to the invention for illuminating a rectangular sheet of a wall.
Die Strahler 5, 6, 7, 8, und 9 sind in einem Gehäuse 33 angeordnet. Das Gehäuse 33 ist mittels einer Abdeckung 36 verschlossen. Die Rückseiten der Reflektoren 13, welche aus dem Gehäuse 33 herausstehen, sind über eine mit dem Gehäuse 33 verbundene bzw. verbindbare Rückwand 35 abgedeckt. An der Oberseite des Gehäuses 33 ist ein Kühlkörper 57 angeordnet.The
Die Beleuchtungsvorrichtung umfasst weiterhin eine Montagevorrichtung 26 zur Montage der Beleuchtungsvorrichtung an einer Decke oder dergleichen. Diese Montagevorrichtung 26 setzt sich in diesem Ausführungsbeispiel aus zwei abgewinkelten Längsblechen 38 zusammen, welche über zwei an den kurzen Seiten angeordnete Blechteile 39 miteinander verbunden sind.The lighting device further comprises a
Die Montagevorrichtung 26 kann in eine Öffnung in der Decke eingesetzt werden. Nachträglich kann dann die Aufnahmevorrichtung 21 über zwei an der Aufnahmevorrichtung 21 angeordnete Federschnapper 37 lösbar arretiert werden.The
Benachbart zu einem zentralen Strahler 7, welcher in der Mitte der Aufnahmevorrichtung 21 angeordnet ist, sind auf beiden Seiten jeweils zwei weitere Strahler 5, 6 sowie 8 und 9 angeordnet. Die Symmetrieebene 18 des zentralen Strahlers 7 ist im Wesentlichen senkrecht zu den Längsseiten der Aufnahmevorrichtung 21 ausgerichtet (der Winkel 56 beträgt somit ca. 90°).Adjacent to a
Die Reflektoren 13 der Strahler 5, 7, und 9 sowie 6, 7 und 8 weisen jeweils eine gemeinsame Schnittachse 32 bzw. 25 auf, wobei diese Schnittachsen 25 und 32 parallel zueinander angeordnet sind.The
Die Symmetrieebene 17 des Reflektors 13 des Strahlers 6 ist um einen Winkel 50 gegenüber der Symmetrieebene 18 des Reflektors 13 des Strahlers 7 verkippt. Die Symmetrieebene 19 des Reflektors 13 des Strahlers 8 ist um einen Winkel 49 gegenüber der Symmetrieebene 18 des Reflektors 13 des Strahlers 7 verkippt. Vom Betrag sind die beiden Winkel 49 und 50 im Wesentlichen gleich, nur die Vorzeichen unterscheiden sich relativ zur Symmetrieebene 18. Mit anderen Worten sind die Reflektoren 13 der Strahler 6 und 8 in entgegengesetzte Richtungen von dem zentralen Strahler 7 verdreht.The plane of
Analoges gilt für die Ausrichtung der Reflektoren 13 der Strahler 5 und 9 relativ zu dem zentralen Strahler 7 bzw. zu den benachbarten Strahlern 8 und 6 (vergleiche auch die Winkel 51 zwischen der Symmetrieebene 16 des Reflektors 13 des Strahlers 5 und der Symmetrieebene 18 des Reflektors 13 des Strahlers 7 und 52 zwischen der Symmetrieebene 20 des Reflektors 13 des Strahlers 9 und der Symmetrieebene 18 des Reflektors 13 des Strahlers 7). Insgesamt gesehen, ist die Symmetrieebene 16, 17, 18, 19 und 20 jedes Reflektors 13 gegenüber jeder Symmetrieebene 16, 17, 18, 19, 20 aller übrigen Reflektoren verkippt.The same applies to the alignment of the
In der gezeigten speziellen Ausführungsform sind die Reflektoren 13 der Strahler 5, 6, 7, 8 und 9 darüber hinaus im Wesentlichen spiegelsymmetrisch zu einer Hauptsymmetrieebene 24 angeordnet, wobei dieser Hauptsymmetrieebene 24 mit der Symmetrieebene 18 des Reflektors 13 des zentralen Strahlers 7 im Wesentlichen deckungsgleich ist.Moreover, in the specific embodiment shown, the
Darüber hinaus ist die Hauptsymmetrieebene 24 im Wesentlichen in der Mitte der Aufnahmevorrichtung 21 angeordnet. Außerdem ist die Aufnahmevorrichtung 21 im Wesentlichen spiegelsymmetrisch zu dieser Hauptsymmetrieebene 24 der Reflektoren 13 ausgebildet.In addition, the main plane of symmetry 24 is arranged substantially in the center of the receiving
Die
Die Beleuchtungsvorrichtung 2 umfasst weiterhin eine Montagevorrichtung 27 zur Montage der Beleuchtungsvorrichtung 2 an einer Decke oder dergleichen. Die Montagevorrichtung 27 setzt sich im Einzelnen zusammen aus einem unteren Gehäuseteil 40 und einem oberen Gehäuseteil 41, wobei zwischen den beiden Gehäuseteilen 40 und 41 eine Spannungsversorgungseinheit 44 für die drei punktförmigen Lichtquellen in Form von LED's der Strahler 10, 11 und 12 angeordnet ist. Im konkreten Fall, ist die Montagevorrichtung 27 dazu ausgelegt, an einem Schienensystem befestigt zu werden, an welchem die Netzspannung anliegt. Zur Weitergabe der Netzspannung an die Spannungsversorgungseinheit 44 ist ein Adapter 42, der an der Außenseite der oberen Gehäusehälfte 41 angeordnet ist, vorgesehen.The
Die Aufnahmevorrichtung 22 ist über einen Verschwenkmechanismus 29 (vergleiche
Die Aufnahmevorrichtung 22 umfasst ein zylinderförmiges Gehäuse 43, welches mit einer Abdeckung 45 verschlossen werden kann. Durch diese Abdeckung tritt ein Teil des Verschwenkmechanismus 29 hindurch. Der Verschwenkmechanismus 29 ist derart ausgebildet, dass er eine Verschwenkung der Aufnahmevorrichtung 22 um eine in Gebrauchslage der Beleuchtungsvorrichtung 2 vertikale Achse 30 um 360° und eine in Gebrauchslage der Beleuchtungsvorrichtung 2 horizontale Achse 31 um 90° ermöglicht. Über einen Zapfen 58 sind der Verschwenkmechanismus und damit die Aufnahmevorrichtung 22 an der Montagevorrichtung 27 gelagert.The receiving
Im oberen Teil des Gehäuses 43 ist ein Kühlkörper 59 angeordnet. Dieser dient dazu, Wärme, welche durch den Betrieb der im unteren Teil des Gehäuses 43 angeordneten Strahler 10, 11, und 12 entsteht, effizient abzuführen.In the upper part of the
Die Vorrichtung zur Halterung der drei Strahler 10, 11 und 12 setzt sich aus einem oberen Teil 46 und einem unteren Teil 47 zusammen, wobei an dem unteren Teil 47 Befestigungsstellen für die drei Strahler 10, 11 und 12 ausgebildet sind.The device for holding the three
Die drei Strahler 10, 11 und 12 umfassen jeweils eine punktförmige Lichtquelle in Form einer LED, welche auf einem LED-Modul 34 ausgebildet ist, und einen der Lichtquelle zugeordneten Reflektor 13. Die Symmetrieebenen der Reflektoren 13 sind im Wesentlichen senkrecht zur Montageplatte 23 der Reflektoren 13 (vergleiche
Anhand dieser Orientierungslinien 53, 54 und 55 wird deutlich, dass die Symmetrieebene jedes Reflektors 13 gegenüber jeder Symmetrieebene aller übrigen Reflektoren 13 verkippt ist. Die Symmetrieebene des Reflektors 13 des mittleren Strahlers 12 fällt dabei mit einer Hauptsymmetrieebene zusammen, zu welcher die Reflektoren 13 der drei Strahler 10, 11 und 12 im Wesentlichen spiegelsymmetrisch angeordnet sind. Auch in diesem Fall ist diese Hauptsymmetrieebene wiederum im Wesentlichen in der Mitte der Aufnahmevorrichtung 22 angeordnet und die Aufnahmevorrichtung 22 im Wesentlichen spiegelsymmetrisch zu dieser Hauptsymmetrieebene der Reflektoren 13 ausgebildet.On the basis of these
Der Reflektor 13 ist einfach reflektierend ausgebildet. Das bedeutet, dass das gesamte von der zugeordneten Lichtquelle abgegebene und eingefangene Licht nur einmal reflektiert wird. Jede der Schalenhälften 14 und 15 verteilt das jeweils eingefangene Licht mit Einfachreflektion auf das gesamte von dem Reflektor 13 beleuchtete Flächenstück.The
Weiterhin ist auszuführen, dass die Schalenhälften 14 und 15 jeweils doppelt konvergent reflektierend ausgebildet sind, derart, dass das gesamte eingefangene Licht im Wesentlichen vollständig auf verschiedenen Seiten der zugeordneten Lichtquelle an der Lichtquelle vorbei abgestrahlt wird, wobei jeweils ein linker Schalenrandabschnitt der Schalenhälften 14 und 15 einen rechten Randabschnitt des beleuchteten Flächenstücks beleuchtet und ein rechter Schalenrandabschnitt der Schalenhälften 14 und 15 einen linken Randabschnitt des beleuchteten Flächenstücks beleuchtet, ein unterer Schalenrandabschnitt der Schalenhälften 14 und 15 einen oberen Randabschnitt des beleuchteten Flächenstücks beleuchtet und ein oberer Schalenrandabschnitt der Schalenhälften 14 und 15 einen unteren Randabschnitt des beleuchteten Flächenstücks beleuchtet.Furthermore, it should be noted that the shell halves 14 and 15 are each formed double convergent reflective, such that the entire captured light is radiated substantially completely on different sides of the associated light source to the light source, each having a left shell edge portion of the shell halves 14 and 15th a right edge portion of the illuminated patch illuminates and a right bowl edge portion of the shell halves 14 and 15 illuminates a left edge portion of the illuminated patch, a lower shell edge portion of the shell halves 14 and 15 illuminates an upper edge portion of the illuminated patch and a top shell edge portion of the shell halves 14 and 15 illuminates a lower one Edge portion of the illuminated patch illuminated.
Der Reflektor 13 kann derart mit dem LED-Modul 34 verbunden werden, dass die punktförmige Lichtquelle in Form einer LED im Wesentlichen in der Symmetrieebene des Reflektors 13, d.h. in etwa mittig angeordnet ist.The
Claims (10)
- An illumination device (1, 2) for illuminating an in particular rectangular surface portion (3) of a façade, wall (4), ceiling, floor surface or the like, comprising at least three radiating devices (5, 6, 7, 8, 9, 10, 11, 12) which each have a respective punctiform light source, preferably in the form of an LED, and a reflector (13) associated with the light source, wherein the reflector (13) substantially completely catches the light of the associated light source and directs it on to the surface portion (3) to be illuminated, and is composed of two shell halves (14, 15), of which shell halves (14, 15) each distributes the respectively caught light on to the whole surface portion (3) to be illuminated, characterised in that the reflector (13) is of a substantially mirror-symmetrical configuration relative to a plane of symmetry (16, 17, 18, 19, 20), and the illumination device (1, 2) has a receiving device (21, 22) for the radiating devices (5, 6, 7, 8, 9, 10, 11, 12), wherein the at least three radiating devices (5, 6, 7, 8, 9, 10, 11, 12) are arranged in the receiving device (21, 22) in such a way that the plane of symmetry (16, 17, 18, 19, 20) of at least one and preferably each reflector (13) is tilted with respect to each plane of symmetry (16, 17, 18, 19, 20) of all other reflectors (13).
- An illumination device (1, 2) according to claim 1 wherein the reflector (13) has a mounting plate (23) by way of which it is connected to the receiving device (21, 22) and the mounting plate (23) is oriented substantially perpendicularly to the plane of symmetry (16, 17, 18, 19, 20).
- An illumination device (1, 2) according to claim 1 or claim 2 wherein the reflectors (13) of the at least three radiating devices (5, 6, 7, 8, 9, 10, 11, 12) are arranged in substantially mirror-symmetrical relationship with a main plane of symmetry (24) preferably wherein the main plane of symmetry (24) is arranged substantially in the centre of the receiving device (21, 22) and particularly preferably the receiving device (21, 22) is of a substantially mirror-symmetrical configuration with respect to said main plane of symmetry (24) of the reflectors (13).
- An illumination device (1, 2) according to one of claims 1 to 3 wherein the planes of symmetry (16, 17, 18, 19, 20) of the reflectors (13) of at least three radiating devices (5, 6, 7, 8, 9, 10, 11, 12) have a common section axis (25, 32).
- An illumination device (1, 2) according to one of claims 1 to 4 wherein the illumination device (1, 2) includes an odd number of radiating devices (5, 6, 7, 8, 9, 10, 11, 12).
- An illumination device (1) according to one of claims 1 to 5 wherein the receiving device (21) is of a parallelepipedic configuration and preferably includes five radiating devices (5, 6, 7, 8, 9).
- An illumination device (2) according to one of claims 1 to 5 wherein the receiving device (22) is of a cylindrical configuration and preferably includes three radiating devices (10, 11, 12).
- An illumination device (1, 2) according to one of claims 1 to 7 wherein the illumination device (1, 2) includes a mounting device (26, 27) for mounting the illumination device (1, 2) to a ceiling (28) or the like.
- An illumination device (2) according to claim 8 wherein the illumination device (2) has a pivoting mechanism (29), by way of which the receiving device (22) is pivotable with respect to the mounting device (27).
- An illumination device (2) according to claim 9 wherein the pivoting mechanism (29) is of such a design that it permits a pivotal movement of the receiving device (22) about an axis (30) which is vertical in the position of use of the illumination device (2), preferably through 360°, and/or an axis (31) which is horizontal in the position of use of the illumination device (2), preferably through 90°.
Priority Applications (1)
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EP16159990.7A EP3217070B1 (en) | 2016-03-11 | 2016-03-11 | Illumination device |
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EP16159990.7A EP3217070B1 (en) | 2016-03-11 | 2016-03-11 | Illumination device |
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EP3217070B1 true EP3217070B1 (en) | 2018-06-27 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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EP3865761B1 (en) * | 2020-02-14 | 2022-08-31 | Zumtobel Lighting GmbH | Light with combined shelf washer and spot function |
Family Cites Families (4)
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DE29617628U1 (en) * | 1996-10-10 | 1996-12-12 | Korsch, Alfred, 47918 Tönisvorst | Luminaire arrangement |
EP1706666A4 (en) * | 2003-12-16 | 2007-03-28 | 1662801 Ontario Inc | Lighting assembly, heat sink and heat recovery system therefor |
US20100039793A1 (en) * | 2008-08-18 | 2010-02-18 | Juei-Chao Chen | Multi-directional standby lighting device |
DE102012015394A1 (en) | 2012-08-03 | 2014-02-06 | Bartenbach Holding Gmbh | Facade and / or wall lighting device |
-
2016
- 2016-03-11 EP EP16159990.7A patent/EP3217070B1/en active Active
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EP3865761B1 (en) * | 2020-02-14 | 2022-08-31 | Zumtobel Lighting GmbH | Light with combined shelf washer and spot function |
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