WO2012146519A1 - Luminaire - Google Patents

Luminaire Download PDF

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Publication number
WO2012146519A1
WO2012146519A1 PCT/EP2012/057081 EP2012057081W WO2012146519A1 WO 2012146519 A1 WO2012146519 A1 WO 2012146519A1 EP 2012057081 W EP2012057081 W EP 2012057081W WO 2012146519 A1 WO2012146519 A1 WO 2012146519A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
profile
frame
support
lamp according
Prior art date
Application number
PCT/EP2012/057081
Other languages
German (de)
English (en)
Inventor
Hartmut S. Engel
Original Assignee
Engel Hartmut S
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Engel Hartmut S filed Critical Engel Hartmut S
Publication of WO2012146519A1 publication Critical patent/WO2012146519A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation

Definitions

  • the invention relates to a luminaire with a housing for accommodating a plurality of bulbs, preferably located in a plane and optionally required ballasts, drivers and the like. And a scattered light surface, in particular in the form of a micro Prismatik Formation or in the housing forming a room-side direct light surface a satin or opal surface, wherein the housing is subdivided into a base part assigned to the lighting elements and a frame part associated with the scattered light surface, and a transparent intermediate element is provided between the base part and the frame part.
  • Luminaires of this type are known as recessed lights, surface-mounted lights and also with respect to the respective ceiling suspended lights. Both in lighting and in terms of aesthetics, such lights often leave much to be desired.
  • a luminaire of the type mentioned is known from EP 2 023 035 AI.
  • the lighting means are in the region of a frame part enclosing the scattered light surface and are directed onto a reflection surface arranged between the base part and the frame part.
  • an expanding space body which is formed by a base portion, an adjoining, on all sides widening inclined surface portion and an integrally adjoining edge portion which is formed as a support for the frame part.
  • This room body can be transparent overall.
  • US Pat. No. 6,161,939 A discloses a luminaire in which a fluorescent tube arranged centrally in a housing radiates light on all sides, wherein the emitted light impinges on a masking grid directly below the fluorescent tube and planar light guides are provided laterally next to the fluorescent tube in which the light entering the front side is reflected several times and emitted over a large area on the room side.
  • the object of the invention is to design lamps of the type specified in the introduction, taking into account the light source used in each case with a structurally simple structure such that on the one hand a high uniformity of the room side light emitting surface achieved and on the other hand an aesthetic emphasis on the respective format contour and in particular a softer Light transition is achieved to the ceiling surface.
  • the light collection and guide profile integrated into the overall structure of the luminaire results in a defined proportion of the light sources branched off to produce a circumferential light band, this light band is optically separated from the direct light surface formed by the Streulichtflä- surface by the frame part, whereby the format contour emphasizes apparent and also the desired soft light transition to the respective ceiling surface can be ensured.
  • the light collecting and guiding profile consisting of transparent materials comprises an inner light collecting area situated in the irradiation area of the illuminating means and an outer light emitting area ending either flush with the housing and / or frame parts or projecting beyond this.
  • the partial luminous flux coupled into the light collecting area is guided in this element formed by an element with total internal reflection so that it passes virtually in its entirety into the light emitting area formed by a diffuser material and emerges therefrom in the form of stray light.
  • the light guide and diffuser regions of the light collection and guide profile which are made of different materials, are preferably designed as a uniform, coextruded part.
  • the scattered light element associated with the light guide element is designed as a multi-functional part and has on the one hand to the scattered light or Prismatik Formation extending support and support legs and on the other hand a parallel and spaced from the light guide element extending holding leg to form a receiving groove.
  • This configuration allows a structurally simple structure and an advantageous connection of Lichtsammei- and Guide profile with a carrier profile frame which can be coupled to the base part.
  • the light source is a plurality of at least substantially over the scattered light surface extending fluorescent lamps or a plurality of distributed on a with respect to their size adapted to the scattered light surface support surface LED's used.
  • the use of a combination of these bulbs is possible.
  • the arrangement and the choice of the distance of the fluorescent lamps from the scattered light surface, a very uniform illumination of these preferably still covered by a diffuser foil prismatic surface can be ensured with simultaneous glare.
  • a preferred embodiment of the invention is as
  • the frame part comprises an outer profile part in the form of a cover and mounting frame with an inwardly directed support leg for the scattered light surface and a fitted in the outer profile part support profile part, on the one hand the edge region of the scattered light surface, in particular via a bend , Fixed and on the other hand has a support and mounting surface for the Lichtsammei- and guide profile.
  • Outer profile part and support profile Filteil are preferably detachable, but firmly connected. This connection preferably takes place via snap-action latching elements, for which purposes, for example, inwardly directed dimples can be provided on the outer profile part and depressions or openings corresponding in the support profile part can be provided.
  • the frame part can be coupled to the base part via a carrier profile part, wherein this carrier profile part is connected to the frame part via the Lichtsammei- and guide profile arranged therebetween.
  • the light collecting and guiding profile penetrating fastening elements are preferably designed to be transparent in order to avoid a disturbing influence of the luminous flux through this Lichtsammei- and guide profile therethrough.
  • the components resting against the light collecting and guiding profile on both sides and connected to it ensure that lateral light emission is prevented, as far as this is not already the case due to the total internal reflection in the light conductor element acted on by the light sources.
  • the frame part comprises an outer profile part in the form of a cover and mounting frame with an inwardly directed support leg for the prismatic surface and a Abdeckschenkel, the snap-in connections in the form of a Locking groove in the support and support legs of the scattered light element and resilient locking elements on the inside of the cover leg can be coupled.
  • the frame part can be coupled to the base part via a frame-shaped carrier profile part, and this carrier profile part engages in a preferred embodiment via an outwardly angled end with little play in the circumferential receiving groove between the light guide element and the holding leg of the scattered light element. In this way, a boltless connection between the carrier profile part and the Lichtsammei- and guide profile is realized.
  • a further embodiment variant of the invention consists in that the light collecting and supporting profile is arranged as a circumferential vertical frame element between the prismatic surface-carrying outer profile part of the frame part and the vertical walls of the base part to form a ceiling-mounted light strip in a luminaire, wherein an exposed inner region of the transparent vertical frame element the light collection area forms.
  • the Lichtsammei- and guide profile is perpendicular to the prismatic surface and either ends flush with the prismatic surface and separated from this by the frame member or is formed projecting over the prismatic surface, wherein the projecting portion in its shape or outer contour is freely designable.
  • This emphasis can - as in all other embodiments of the invention - be further enhanced by different colors compared to the prismatic surface, wherein the generation of a band of light of predeterminable color by selecting a speaking colored light guide element or diffuser element for the light collection area.
  • a tool-free pivoting of the frame part is provided by the base part, preferably via an internal pivoting lever system, in particular a scissor lever system, wherein the fixing of the frame part on the base part in the operating position by a correspondingly acting spring bias or at least a releasable closure element can be ensured. It will either be a closure like one
  • SchnappverBankes provided under spring force, the closing process is easy, but for opening a certain amount of force is required, or it is preferably a so-called push / push closure used without any operating elements by pressing lightly on the base to a correspondingly low Game-containing frame part simply closed and can be solved accordingly comfortable again.
  • a particularly advantageous application of the luminaire according to the invention consists in the creation of so-called cluster situations, in which several recessed luminaires are arranged adjacent to each other in a grid profile ceiling, namely to form uniform gaps or joints with a width of a few millimeters, for example 5 mm, said this column or joints bounded by the cover of the lights are and are applied via the opposing, rotating stray light elements with light.
  • the ceiling profile parts to which the base parts of the lights are fixed so that can be used to connect the base and frame parts push / push units are generally white, so that ideal reflection surfaces for the joint light present and used in the inventive arrangement can.
  • the use of push / push units allows the particularly close ranking of individual lights, since in this case no special controls for opening the lights must be provided, but the light emitting surface forms the control surface.
  • the projection of the luminaires over the ceiling profile makes it possible to utilize the entire grid dimension, which results in an approximately 10% larger light area.
  • Fig. 1 is a schematic partial perspective view of a first
  • Embodiment of the invention with fluorescent tubes as lighting means Embodiment of the invention with fluorescent tubes as lighting means
  • FIGS. 2, 2a are schematic partial sectional views of the transition region from frame part to base part according to preferred embodiments of the invention, a schematic perspective partial representation of a further embodiment of the invention in the form of a surface-mounted luminaire with a plurality of LEDs as a lighting means, Fig. 4 is a schematic partial perspective view of another embodiment of the invention in the form of a recessed light, a schematic perspective view of an embodiment of a lamp according to the invention with swiveling frame part .
  • Fig. 6 is a partial perspective sectional view of another embodiment of the invention.
  • Fig. 7 is a partial sectional view of a grid profile ceiling with too
  • FIG. 1 shows in the form of a perspective partial representation of an embodiment of the invention in the form of a fitted with fluorescent tubes 4 surface-mounted luminaire, which comprises a certain base for ceiling mounting base 1 and connectable to the base part or detachable frame part 2.
  • the basic housing or base part 1 accommodates the arranged in a plane fluorescent tubes 4 with associated version and the required, not shown in the drawing electronic components, in particular ballasts, on.
  • the frame part 2 which closes the housing in the operating state of the lamp, carries on narrow, inwardly angled support legs 7 a micro Prismatik Chemistry 3 with room side prisms of known design, at a uniform luminance, preferably in the range of about 1000 cd / m 2 to about 2000 cd / m 2 is feasible.
  • the luminance over the surface is evenly distributed, including the mutual distance of the fluorescent tubes 4 on the one hand and the distance between the plane in which the fluorescent tubes 4 are located, and the micro Prismatik Chemistry 3 is set optimally.
  • three-dimensional prisms of approximately 120 degrees are provided in the micro-prismatic surface 3.
  • Component of the frame part 2 is an outer profile part 6, which has a lower-sided narrow bend 7, which forms a covering and mounting frame, and a support profile part 8 which is arranged within the outer profile part and which preferably overlies the outer profile part 6
  • Snap locking elements is connected and has two main functions, namely on the one hand, the fixation of the edge region of the micro Prismatikisation 3 and on the other the formation of a support and mounting surface 9 for a transparent Lichtsammei- and guide profile 5.
  • Each as a circumferential, frame-shaped Parts formed profile parts 8, 9 and 5 are connected together with a light collecting and guiding profile 5 adjacent, extending into the base part 1 carrier profile part 12 firmly together, preferably via transparent connecting elements.
  • Main surface of the light is formed, an indirect light zone is formed, which provides an aesthetically soft light transition to the ceiling surface.
  • FIG. 2 a illustrates in an enlarged representation the basic structure of an embodiment of a surface-mounted luminaire with prismatic surface 3, frame part 2 with integrated Lichtsam - mel- and guide profile 5 and intended for ceiling installation base part.
  • a ceiling 21 base part in the form of a flat-top-shaped housing receives a support surface 15 for a plurality of distributed over this support surface LED's 4, in the space between this support surface 15 and the housing bottom, the required electronic components and wiring can be accommodated.
  • a push / push unit 22 which is attached to the lateral inner wall of the base part 1 and cooperates with a firmly connected to the frame part 2 locking element 23.
  • the carrier profile part 12 is supported on the bottom of the base part 1 via an elastic element 35, for example consisting of a foam rubber material, in such a way that with the light on the carrier profile part 12 a certain prestress is exerted and therewith a defined relative position between the base part 1 and the frame part 2 is guaranteed.
  • the frame part 2 comprises an outer profile 6 serving as cover and mounting frame, which is L-shaped in cross-section, so that an inwardly angled support leg 7 serves as support for the prismatic surface, on which preferably a foil 20 is still arranged can.
  • a support profile part 8 is provided, which on the one hand serves to fix the prismatic surface 3 and can have a corresponding angled end, and on the other hand has a supporting and fastening surface 9 on which the Lichtsammei- and Guide profile 5 is arranged.
  • the outer profile 6 is preferably releasably connected to the support profile 8, wherein the connection takes place according to a preferred embodiment of snap-locking units in the illustrated example of openings 18 in the support profile part 8 and in these openings 18 engaging nubs 19 on the outer profile part 6.
  • the knobs 19 can be formed by corresponding characteristics in the outer profile part 6.
  • Push / push units 22 connected to this cooperating locking element 23. It is ensured that a small, lying in the millimeter range game 24 remains between the Lichtsammei- and guide profile 5 and the built-in the respective ceiling 21 base part, which is necessary for the function of the push / push units used.
  • the Lichtsammei- and guide profile is composed of a formed by a light guide light collection area 10 and an adjoining scattered light element or diffuser, which acts as Lichtabstrahl Scheme 1 1.
  • the light-collecting region 10 is designed and dimensioned so that it lies in the incident region of the light coming from the bulbs 4, so that the recorded light component is directed to the diffuser element within the light guide operating in particular with total internal reflection, where it is emitted to the outside as indirect light and a soft light transition to the ceiling 21 causes.
  • FIG. 2b shows a modification of the embodiment according to FIG. 2a, whereby it is possible within the scope of this modification to dispense with the, in particular transparent connecting elements 13 shown in FIG. 2a.
  • the diffuser or scattered light element 1 1 is provided with a U-shaped recess 39, wherein between the legs 37, 38 formed thereby, leaving free each of a receiving gap, the light guide element 10 engages.
  • the light guide element 10 and the diffuser element 1 1 1 provided with the recess 39 may consist of a coextruded part.
  • An angled leg 38 of the support profile part 8 engages in the gap between the light guide element 10 and the limb of the diffuser element, which is located on the side of the prismatic surface 3 covered with a diffuser foil 36, while in the opposite gap between light guide element 10 and Diffuser element 1 1 extends the angled end 37 of the carrier profile part. In this way, a frictional connection between the base part 1 and the frame part 2 is created without the use of connecting bolts.
  • Fig. 3 shows a preferred embodiment of the invention in the form of a recessed luminaire, being provided as a lighting means 4 a plurality of distributed over a support surface 15 LED's.
  • the basic structure of the luminaire according to FIG. 3 corresponds to the principle explained with reference to FIGS. 2 a and 2 b, whereby here, however, the characteristic feature is that the circulating light band formed by the light collecting and guiding profile 5 practically adjoins the ceiling in the installed state, and thus clearly separated from the main emission surface of the micro Prismatikectomy 3 a ceiling illumination is obtained via indirect light and thereby the light band appears as an independent feature of the lamp in appearance. It can also be seen from this illustration that the space behind the carrier surface 15 is particularly well suited for receiving all other required electronic components as well as the electrical connection connections, which can also be embodied, for example, via plug-in elements. Fig.
  • FIG. 4 shows another embodiment of the invention in the form of flush-mounted recessed luminaire, in which case to form a flush light strip 14 Lichtsammei- and guide profile 5 formed as a circumferential vertical frame member and between the prismatic surface 3 supporting carrier profile part 12 and the vertical walls 16 of the base part 1 is arranged and fixed to the vertical walls 16.
  • the frame-shaped encircling light collection and guide profile 5 located in the interior of the base part 1 free light collection area 10, from which the recorded partial luminous flux - guided between the walls of carrier profile part 12 and vertical wall 16 - is led to the ceiling flush end and there the light band 14, which is clearly separated from the prismatic surface 3 by the frame part and thus appears individually and optionally in the light color selected in the individual case.
  • the light collecting region 10 formed by an optical waveguide can also be angled at its end to improve the light coupling, wherein the angled region does not extend to the housing bottom, so that light coupling from above and from the side can be achieved via this angled end ,
  • the light guide part is adjoined by a diffuser region, which forms the light beam region which emerges as the light band 14.
  • the frame part 2, which is flush with the light band 14, is constructed in terms of outer profile part and support profile part analogous to the already described embodiments.
  • the diffuser region of Lichtsammei- and guide profile 5 also as be formed projecting outside, wherein the protruding portion is freely designed with respect to its shape.
  • frame part 2 and base part 1 are connected to one another via an internal pivoting lever system, in particular a scissor lever system 17, as described, for example, in US Pat Fig. 5 is shown.
  • the scissor levers 17 are connected to the frame part 2 via technical push buttons, so that the connection of the two basic components of the lamp can be done quickly and easily during final assembly and basically a decrease in the frame part is possible.
  • the pivoting of the frame part 2 made possible by the pivoting lever system 17 ensures a tool-free opening of the luminaire and easy accessibility of the interior components.
  • the total luminous area formed by the LEDs can be subdivided into a plurality of partial areas, and these partial areas can in turn be designed so that they can be swiveled over a pivot axis. If the total luminous area is not subdivided into a plurality of partial areas, it is also possible to provide for the total luminous area to be able to be swiveled away.
  • the fixation of the frame part 2 on the base part 1 can be realized, for example, by snap closures on umspringende elements with spring force, are preferably on the inner circumference of Luminaire distributes several push / push units 22 used, which are known as such and allow closing the lamp by lightly pressing the frame part against the base part, while releasing again only on the frame part 2 a certain pressure must be exerted to the latching to solve and to allow the lamp to open.
  • the carrier profile part 12 is supported relative to the base part via an elastic element 36, which has a predefinable preload guaranteed when using push / push units.
  • FIG. 6 shows a further embodiment of a luminaire according to the invention, as has already been explained with regard to the basic principle in connection with FIGS. 2a and 2b.
  • the lighting means are provided which consist of a plurality of distributed over a support surface 15 arranged LED's 4 here.
  • the electronic components required for the operation of the lamp are housed in this base part.
  • the frame part 2 detachably connected to the base part 1 in turn comprises the prismatic surface 3 supported in a peripheral frame and the light collecting and guiding profile in the form of a preferably coextruded light collecting region 10 and a light emitting region 11 formed as a diffuser, this light collecting and guiding profile having a circumferential carrier profile 12 is connected, which engages in the base part 1 and can be coupled with this.
  • the embodiment according to FIG. 6 differs from the embodiment according to FIG.
  • the diffuser part 1 1 has a supporting and supporting leg 25 extending in the direction of the prismatic surface 3, the free end of which bears against the prismatic surface 3 and which has on the outside a circumferential detent groove 30 which serves to receive detent spring elements 29, which engage in the interior a cover leg 28 of the cover and mounting frame are provided which carries the prismatic surface 3 via the angled leg 7.
  • the cover and mounting frame can be fixed together with the prismatic surface by a Aufschnappvorgang to the rotating support and support legs 25.
  • the prerequisite for this, of course, is that the light collecting and guiding profile has previously been combined with the carrier profile housing part 12 to form a unit. This is done in this embodiment by using a circumferential receiving groove 27 for the angled end 31 of the carrier profile part 12, wherein this receiving groove 27 is formed by a integrally formed on the diffuser part 1 1 holding leg 26 in conjunction with the parallel thereto light guide element 10.
  • Lichtsammei- and guide profiles are attached to the angled end portions 31 of the carrier profile part 12 and glued together at the miter corners, wherein the receiving groove 27 is dimensioned so that different thermal expansion of plastic material and metal can be compensated.
  • Fig. 7 shows a particularly advantageous use of recessed luminaires according to the invention in the form of a partial sectional view. Accordingly, a freely selectable number of inventive lights can be installed in a grid profile ceiling, namely the way that defined between the individual lights, limited by cover joints are available, which are illuminated on the inner Lichtsammei- and guide profiles and thus form Fugenlichtbs.
  • FIG. 7 shows, in connection with a ceiling profile part 33, two luminaires installed in the ceiling and forming a gap 32 or a joint, whose housings or base parts 1 are supported on support legs 34 of the ceiling profile parts 33. Not shown is provided for example via double adhesive tapes or mechanical fixing elements connection between the base parts 1 and the support legs 34, which is particularly necessary if between the preferably swing-formed frame part 2 and the base part 1 for coupling push / push elements 22 are provided.
  • the gap 32 for example, having a width of approximately 5 mm between adjacent luminaires is bounded on the one hand by the leg of the cover and mounting frame 6 and on the other by the opposing light exit surfaces of the diffuser elements 1 1.
  • Light emerging from these diffuser elements 1 1 passes either directly into the joint 32 or is reflected by the diffuser elements 1 1 facing wall portions of the support legs 34 in the joint 32, so that between the light surfaces formed by the prismatic surfaces 3 Clearly defined by these luminous surfaces delimited by the opaque covering and mounting frame 6 joint light bands are formed. Since the lights - as shown in Fig. 7 - survive on the ceiling profile, the entire grid can be fully exploited, which means that about 10% more light area compared to conventional arrangements can be obtained.
  • the arrangement of the individual lights in conjunction with the narrow joint design is mainly possible through the use of push / push units between the base and frame part, since the opening and closing of the lights without any controls is possible, and represent the light emitting surfaces practically the control surfaces ,
  • Characteristic of all embodiments of the invention is the use of a partial light flow branching Lichtsammei- and guide profile to create a circumferential light band, which clearly defines the contour of the individual luminaire formats as an independent element and also an indirect light effect in the form of an aesthetic Lich- passage in particular Can cause ceiling surface.
  • connection element transparent

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

Abstract

L'invention concerne un luminaire comportant un boîtier pour recevoir une pluralité de moyens d'éclairage (4) situés de préférence dans un plan ainsi que des ballasts, pilotes et similaires, éventuellement nécessaires, et une surface microprismatique (3) formant une surface lumineuse directe du côté local et retenue dans le boîtier. Le luminaire est caractérisé en ce que le boîtier est subdivisé en une partie de base associée aux moyens d'éclairage et une partie cadre (2) associée à la surface prismatique et un élément intermédiaire conçu comme un profilé omnibus d'éclairage (5) et de guidage transparent destiné à créer une bande de lumière (14) circonférentielle, espacée de la surface prismatique, est disposé entre la partie de base (1) et la partie cadre (2).
PCT/EP2012/057081 2011-04-28 2012-04-18 Luminaire WO2012146519A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11003500.3 2011-04-28
EP20110003500 EP2518388B1 (fr) 2011-04-28 2011-04-28 Eclairage

Publications (1)

Publication Number Publication Date
WO2012146519A1 true WO2012146519A1 (fr) 2012-11-01

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ID=44262485

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Application Number Title Priority Date Filing Date
PCT/EP2012/057081 WO2012146519A1 (fr) 2011-04-28 2012-04-18 Luminaire

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EP (1) EP2518388B1 (fr)
WO (1) WO2012146519A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1043542A2 (fr) * 1999-04-07 2000-10-11 Zumtobel Staff GmbH Système d' éclairage pour installation au plafond ou au mur d' une pièce
US6161939A (en) 1999-05-05 2000-12-19 Semperlux Ag Interior lighting fixture
EP2023035A1 (fr) 2007-08-02 2009-02-11 Hartmut S. Engel Luminaire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1043542A2 (fr) * 1999-04-07 2000-10-11 Zumtobel Staff GmbH Système d' éclairage pour installation au plafond ou au mur d' une pièce
US6161939A (en) 1999-05-05 2000-12-19 Semperlux Ag Interior lighting fixture
EP2023035A1 (fr) 2007-08-02 2009-02-11 Hartmut S. Engel Luminaire

Also Published As

Publication number Publication date
EP2518388B1 (fr) 2014-04-16
EP2518388A1 (fr) 2012-10-31

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