EP1616124A1 - Dispositif d'eclairage a ecran paralume - Google Patents

Dispositif d'eclairage a ecran paralume

Info

Publication number
EP1616124A1
EP1616124A1 EP04728803A EP04728803A EP1616124A1 EP 1616124 A1 EP1616124 A1 EP 1616124A1 EP 04728803 A EP04728803 A EP 04728803A EP 04728803 A EP04728803 A EP 04728803A EP 1616124 A1 EP1616124 A1 EP 1616124A1
Authority
EP
European Patent Office
Prior art keywords
lamp
grid
luminaire according
luminaire
modules
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04728803A
Other languages
German (de)
English (en)
Other versions
EP1616124B1 (fr
EP1616124B2 (fr
Inventor
Gerald Ladstätter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZUMTOBEL LIGHTING GmbH
Original Assignee
Zumtobel Staff GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=33311750&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1616124(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE10342039A external-priority patent/DE10342039A1/de
Application filed by Zumtobel Staff GmbH filed Critical Zumtobel Staff GmbH
Publication of EP1616124A1 publication Critical patent/EP1616124A1/fr
Publication of EP1616124B1 publication Critical patent/EP1616124B1/fr
Application granted granted Critical
Publication of EP1616124B2 publication Critical patent/EP1616124B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/06—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using crossed laminae or strips, e.g. grid-shaped louvers; using lattices or honeycombs
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • 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
    • F21V17/16—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 deformation of parts; Snap action mounting
    • F21V17/164—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 deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • 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
    • F21V7/005—Reflectors for light sources with an elongated shape to cooperate with linear 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
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F21V23/026—Fastening of transformers or ballasts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
    • 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
    • F21Y2103/00—Elongate light sources, e.g. fluorescent tubes

Definitions

  • the present invention relates to a luminaire with a grid which has passage openings provided for light emission.
  • Luminaires with elongated, rod-shaped light sources for example fluorescent tubes
  • Luminaires with elongated, rod-shaped light sources are usually used for lighting in offices or at other workplaces.
  • grids are arranged in front of the lamp when viewed in the direction of radiation, with the aid of which the light emission is restricted to a predetermined area.
  • the use of fluorescent lamps guarantees a high luminous efficacy with a relatively low energy requirement.
  • Such a louvre luminaire usually consists of an elongated luminaire housing which has lamp sockets in its end regions for holding and electrically connecting at least one elongated lamp.
  • the housing which also generally houses an operating device for the lamp - for example an electronic ballast - also has holding elements in its lower area, with the aid of which a luminaire grid can be arranged and fastened in front of the lamp when viewed in the direction of radiation.
  • the grid is usually a one-piece element, which is snapped onto the underside of the lamp housing or onto the fastening or holding means provided there.
  • Gas discharge lamps in particular the fluorescent lamps mainly used for normal room lighting, are available in different lengths.
  • luminaires In order to be able to provide luminaires of the same type in which a lamp of different lengths can be used, it is necessary to provide the luminaire housing and luminaire grid in the appropriate lengths.
  • the production of these elements in different lengths is associated with increased costs, which is why the present invention is based on the object of specifying a cost-effective alternative to the production of lights of the type described above. At the same time, however, the lights should look appealing and have a very high quality.
  • the object is achieved by a lamp with the features of claim 1.
  • the luminaire according to the invention has means for holding and for electrically connecting a tubular lamp as well as a plurality of grid modules arranged in front of the lamp, as seen in the direction of radiation, which each have passage openings provided for light emission.
  • the grid modules are arranged one behind the other to form an elongated luminaire grid and are held by holding elements.
  • the solution according to the invention thus consists in forming a luminaire grid from a plurality of individual grid modules which, on their own, are relatively short and are arranged or put together to form the grid of suitable length.
  • This makes it possible to provide only a single grid module of a predefined length, which is assembled with several identical modules to form luminaire grids in the desired lengths.
  • grid modules with a length of 300 mm can be provided, which are combined to the usual lengths of 600, 1200 and 1500 mm.
  • the costs can be reduced considerably, since only a single tool is required for the grid modules, which are preferably produced by plastic injection molding. The considerable cost of tools in longer lengths can be saved by the present invention.
  • the various grid modules are preferably held together to form a single luminaire grid by means of profile elements which can be pushed on or snapped on laterally. These profile elements can be very slim and are stabilized in conjunction with the grid modules, so that overall a very stable arrangement results. This means that the profile elements can even replace the luminaire housing that is usually required, which saves further costs.
  • the luminaire can also be used for indirect lighting, ie some of the light emitted by the lamp is emitted counter to the main light emission direction towards the top, for example to lighten the ceiling.
  • the use of the profile elements that can only be slid on or snapped on is even particularly advantageous since, in contrast to a conventional luminaire housing, which is usually U-shaped in section, no partial holes have to be punched or milled in the housing base. which enable indirect light emission.
  • by using the only laterally arranged profile elements simplifies the supply and discharge of electrical lines.
  • the individual grid modules assembled to form the luminaire grid preferably consist - as already mentioned - of plastic.
  • the individual modules can expand and contract slightly due to the temperature differences that occur. This could result in a narrow gap between the individual grid modules through which light can escape, which impairs the optical impression of the luminaire.
  • the grid modules are compressed in the longitudinal direction by end springs provided on the longitudinal ends of the lamp grid, by elastic bands or the like. This ensures that the individual grid modules are still in contact with one another even after temperature fluctuations and that there is no undesired light emission.
  • the grid modules are preferably held together by the lateral profile elements with the aid of guide grooves and / or snap-in lugs, which enable the individual elements to be locked together.
  • the profile elements can have a greater height than the grid modules themselves, as a result of which a space enclosed or laterally covered by the profile elements is formed above the luminaire grid and can be used, for example, to accommodate lamp operating devices.
  • Another possibility is also to design the lateral profile elements in a U-shaped cross section, as a result of which a space is created in addition to the luminaire grid, in which corresponding lamp operating devices can be arranged.
  • the luminaire has two luminaire grids of the type described above which are arranged laterally next to one another and which are connected to one another via a connecting profile arranged between them. All in all, this creates the possibility of producing a grid light in a very simple and inexpensive way.
  • Another advantageous development of the present invention relates to the design of the individual grid modules. These each preferably have a rear reflector which extends in the longitudinal direction and is intended to reflect part of the light emitted by the lamp against the direction of emission.
  • passage openings are arranged in the rear reflector, which openings are intended for part of the light emitted by the lamp Let light pass through in the direction of radiation. Pot reflectors can also be connected to these openings in the direction of radiation.
  • a corresponding grid module is characterized by its simple construction, since the arrangement consisting of the rear reflector and the pot reflectors can be formed in one piece, which - as already mentioned above - is achieved in that the grid modules are produced by injection molding.
  • pot reflectors are connected to one another at their edge regions via a connecting plate arranged parallel to the lamp, the connecting plate also being able to be connected in one piece to the reflectors or to the entire grid module.
  • the connecting plate itself is made transparent. If a part of the light emitted by the tubular lamp is directed into an area outside the pot reflectors, their structure can be recognized by the transparent connecting plate.
  • the introduction of the light into the area outside the pot reflectors can be achieved, for example, in that the rear reflector is at least partially translucent.
  • coloring the back reflector in its transparent areas so that the connecting plate appears in a different color.
  • the top reflectors can protrude with their light outlet openings over the connecting plate or end flush with it.
  • the rear reflector is preferably designed such that it at least partially encompasses the lamp.
  • it can be semicircular in cross section.
  • Another advantage of the specially designed grid modules is that part of the light emitted by the lamp is used for indirect lighting.
  • the edge areas of this anti-glare or filter plate can be designed to be reflective in order to allow some of the light to be deflected into the space surrounding the top reflectors.
  • Figure 1 shows a first embodiment of a lamp according to the invention in a perspective view.
  • FIG. 1 shows the lamp shown in Figure 1 in section.
  • FIG. 3 shows a preferred grid module for forming a luminaire grid in a perspective view
  • Fig. 7 shows a third variant of the lamp according to the invention, for
  • FIG. 8 shows a fourth variant of the luminaire according to the invention with two tubular lamps
  • FIG. 9 shows a further exemplary embodiment of a lamp according to the invention.
  • Fig. 10a, b different uses for the lamp shown in Fig. 9;
  • FIG. 11 shows a further exemplary embodiment for a raster module with square pot reflectors
  • FIG. 12 shows the grid module of the lamp shown in FIG. 11;
  • FIG. 14 is a perspective view of the arrangement according to FIG. 13;
  • Fig. 16 two connected in series in the longitudinal direction and by one
  • FIG. 17 shows a perspective view of the front end of a luminaire grid comprising a plurality of series-connected grid modules with spring elements for applying a connecting pressure acting in the longitudinal direction;
  • Figures 1 to 12 initially show basic options for designing a grid light. Furthermore, a particularly preferred exemplary embodiment for a raster module is described.
  • the lamp 1 shown in FIG. 1 in perspective and in section in FIG. 2 essentially consists of a tubular elongated lamp 2, which is preferably a fluorescent lamp, and a grid module 3 formed from three series-connected modules and laterally or in the radiation direction arranged in front of the lamp 2 luminaire grid.
  • the luminaire grid or the grid modules 3 are each formed by a rear reflector 4, which is semicircular in section and extends in the longitudinal direction of the lamp 2, from which a plurality of pot reflectors 6 with a circular light outlet opening 7 extend in the radiation direction.
  • the lamp 2 is arranged inside the semicircular longitudinal reflector 4.
  • the pot reflectors 6 adjoin the passage openings of the rear reflector 4, so that part of the light emitted by the lamp 2 is directed downward through these passage openings and the pot reflectors 6.
  • the pot reflectors 6 are thus used for direct lighting of the space below the lamp 1 and have a shape by which the light emitted downwards by the lamp 2 is limited to a predetermined exit angle. Since glare effects are avoided in this way, the luminaire 1 according to the invention can also be used in particular for room lighting in office workplaces.
  • This operating device 11 can be, in particular, an electronic ballast for operating a gas discharge lamp, in particular a fluorescent lamp.
  • the versions for holding and electrically connecting the lamp 2 have been omitted.
  • the side boxes 10 also serve as holding elements for holding the grid modules 3 arranged one behind the other to form the lamp grid.
  • the two side boxes 10 are fastened to the grid modules 3 with the aid of side webs 9 which protrude from the outer sides of the rear reflector 4 and a connecting plate 8 arranged parallel to these side webs 9.
  • This connecting plate 8 connects the top reflectors 6 at their edge regions , wherein the pot reflectors 6 with their light exit openings 7 protrude a little from the connecting plate 8.
  • the connecting plate 8 and the side webs 9 also serve to produce special lighting effects, as will also be explained later.
  • part of the light emitted by the lamp 2 is also directed upwards via the rear reflector 4 and accordingly serves for indirect room lighting. It is possible to vary the ratio between the direct lighting via the top reflectors 6 and the .Indirect lighting via the rear reflector 4 by changing the lamp position with respect to the rear reflector 4. As a result, the lighting properties of the luminaire 1 can be adapted to external conditions.
  • a grid module 3 with the back reflector 4 and the pot reflectors 6 is preferably formed by a single part, for example by injection molding will be produced.
  • the grid module 3 can be produced with a simply designed, slide-free molding tool; in the case of more complex structures, the workpiece is demolded using slide technology.
  • the connecting plate 8 is also part of this one-piece plastic part, which is shown in an enlarged view in Figures 3 and 4.
  • the underside of the rear reflector 4 has a plurality of passage openings 5, to which the top reflectors 6 connect, which in turn are connected to one another in their end regions via the approx. 1-2 mm thick connecting plate 8.
  • the cup reflectors 6, which are provided with a reflection layer at least on their inner sides, preferably have a size corresponding to the usual halogen spotlights of approximately 40-60 mm in diameter.
  • the inside of the pot reflectors 6 be made faceted.
  • the production of the individual facets takes place during the production of the plastic part during the injection molding and is achieved by an appropriate design of the molding tools.
  • the reflection layer is preferably applied by vapor deposition of an aluminum coating in a high vacuum.
  • the variant shown in FIG. 5 differs by the inclined arrangement of the two side boxes 10, by means of which the lamp 1 as a whole is given a changed shape.
  • the outer sides of the pot reflectors 6 are illuminated, so that their pot shape can be seen through the transparent connecting plate 8.
  • This brightening of the outer sides of the pot reflectors 6 is achieved in that the rear reflector 4 is partially transparent, at least in its upper regions, so that part of the light emitted by the lamp 2 can pass through the rear reflector 4.
  • This light thus falls into a light chamber through the side wall of the rear reflector 4, the top reflectors 6 Connection plate 8 and additional reflectors 12 on both sides of the pot reflectors 6 is limited.
  • the light entering the light chamber can leave it again via the connecting plate 8, so that the outside of the pot reflectors 6 can be seen.
  • Another advantage of this embodiment is that the luminaire 1 does not appear dark when viewed under a flat angular range, but rather presents itself as a luminous but glare-free body.
  • FIG. 6 The previously described effect of brightening the outer sides of the pot reflectors 6 is also achieved in the variant shown in FIG. 6, in which circular side boxes 10 are provided in section.
  • a cut-off or filter plate 13 which is curved in section and extends over the length of the lamp 2, is provided on the top of the lamp 1 and is translucent in its central region 14, so that part of the light emitted by the lamp 2 is radiated upwards and can be used for ceiling lighting.
  • the anti-glare or filter plate 13 is designed to be diffusely reflective, for example coated white, so that the light impinging on these areas 15 from the lamp 2 is reflected downward.
  • the two side webs 9 are designed to be translucent, so that the light reflected on the side regions 15 of the anti-glare or filter plate 13 enters the region between the side boxes 10 and the pot reflectors 6 via these side webs 9, the outside of the pot reflectors 6 illuminate and can leave again via the transparent connecting plate 8.
  • the back reflector 4 can thus also be designed to be completely reflective.
  • a further development of the variant shown in FIG. 6 can consist in designing the side webs 9 as color filters so that the light illuminating the outside of the pot reflectors 6 is colored. As a result, additional color effects can be achieved, which, however, do not influence the light emitted downward via the pot reflectors 6 and used for the actual room lighting.
  • the configuration as a color filter can of course also be provided in the variant shown in FIG. 5.
  • the anti-glare or filter plate 13 shown in FIG. 6 can also be used in the other variants of the luminaire 1 according to the invention and, for example, also be designed as a color filter in order to make the ceiling area surrounding the luminaire appear in a different color.
  • color filters, reflective surfaces or partial covers can be combined in any way in order to achieve different lighting effects.
  • the lamp according to the invention can also be provided for mounting on a mounting rail 16, as is the case with the variant shown in FIG. 7.
  • the U-shaped mounting rail 16 also serves to hold the operating device 11 for the lamp 2.
  • the lamp 1 is attached to the mounting rail 16 with the aid of a cover cap 17, which is inserted into the mounting rail 16 from the underside and mechanically connected to it - for example locked - can be.
  • This roof reflector 18 is designed in such a way that the light emitted laterally upwards by the lamp 2 illuminates the ceiling area surrounding the mounting rail 16.
  • the luminaire grid is attached to the mounting rail 16 or the end cap 17 with the help of forehead parts 19 which hold the various components of the luminaire 1, in particular the grid modules 3 assembled to form the luminaire grid.
  • FIG. 8 shows a two-lamp variant of a louvre luminaire 1, in which two fluorescent lamps 2 and luminaire louvres assigned to the lamps are arranged on both sides of a box 20a. Before switching devices 11 for operating the lamps 2 are both arranged in the box 20a, on the sides facing away from the box 20a, the grid modules 3 are closed and held together by C-shaped side walls 20.
  • FIG. 9 shows an asymmetrical variant of a louvre luminaire 1, in which an additional side box 10, which was provided in the exemplary embodiments of FIGS. 1, 5 and 6 for reasons of symmetry, was dispensed with. Instead, a C-shaped side wall closes the luminaire grid on the side opposite the box 10.
  • the luminaire shown in FIG. 9, in its asymmetrical shape, can be attached to a ceiling 21 of a room using a fastening rod 23 or ropes, as shown in FIG. 10a on the left side.
  • a fastening rod 23 or ropes as shown in FIG. 10a on the left side.
  • This can be done, for example, by arranging a decorative surface 25 between the two asymmetrical lights, which in turn are each fastened to the ceiling with the aid of fastening rods 23, which is for example transparent or has lattice structures.
  • the overall arrangement being fastened to the ceiling 21 with the aid of steel cables 27.
  • Figure 10b shows the undersides of these two variants.
  • the shape of the top lights can basically be chosen freely.
  • the grid modules 3 of which are shown in an enlarged representation in FIG. 12 cup reflectors 6 with a square light exit opening 7 are provided.
  • the edge regions of the top light 6 protrude beyond the connecting plate 8.
  • the reflectivity of the individual areas of a raster module 3 can be designed individually.
  • the pot reflectors 6 can be made very smooth on the inside, so that a high-gloss layer is formed during the vapor deposition, while the connecting plate 8 surrounding the pot reflectors 6 can be structured somewhat coarser, so that a matt layer results. This can already be taken into account when designing the injection molding tool, so that no reworking of the plastic workpiece is necessary.
  • the luminaire grid composed of the special grid modules is characterized by the variety of lighting effects that can be achieved with it, but which have no effect on the functionality of the luminaire in room lighting or the lighting of workplaces. In other words, despite the various optical effects, the luminaire is still able to suitably illuminate office spaces.
  • FIGS. 13 to 19 Reference is made primarily to the grid module shown in FIGS. 3 and 4 or 11.
  • a luminaire grid in the sense of the present invention can be formed by any type of grid module with light exit openings for light emission.
  • the grid module - as in the preferred variant of FIGS. 3, 4 and 11 - also enables indirect light radiation.
  • the grid modules 3 are preferably injection molded into plastic in a single length of 300 mm. These individual grid modules 3 can then be used for lighting grids in the usual lengths of 600, 1200 and 1500 mm be put together. According to the illustration in FIGS. 13 and 14, this is done by snapping on the holding elements or connecting profiles 20, which on their own can already form the luminaire housing.
  • the profiles 20 can be very slim, they are then stabilized in the snapped-on state in connection with the individual grid modules 3, which overall results in a relatively stable arrangement. It is also important here, as can be seen from the illustrations in FIGS. 13 and 14, that the variant according to the invention with lateral profiles 20 for holding the straight modules 3 shown, in which both direct and indirect light emission is provided, in particular Raster modules 3 is significantly cheaper than the use of a usually U-shaped housing profile, in the bottom side of which additional holes would have to be made, for example punched or milled, in order to allow indirect light emission. Furthermore, due to the fact that the housing formed by the profile elements 20 is open towards the top, electrical lines can be fed in or out very easily.
  • the side profiles 20 could also be pushed on.
  • corresponding connecting elements 20, 20 2 are to be provided in the form of guide grooves or snap noses, which can extend over the entire length of the profiles 20. It is essential here that the connecting elements 20, 20 2 responsible for holding the grid modules 3 are provided at least on the respective end regions of the grid modules 3, because only a fixation in these end regions leads to the necessary stability of the entire arrangement. In other words, it is to be avoided that the profiles 20, which are preferably extruded from aluminum, can bend.
  • the grid modules 3 abut each other on their respective end faces over their entire height.
  • the grid modules 3 can be glued or welded to one another in these areas, as is indicated in FIG. 15.
  • Another possibility, which is shown in FIG. 16, is to provide snap devices 32 or 33 at the respective ends of the grid modules 3, by means of which the individual grid modules 3 are connected together.
  • those connection forms between the grid modules 3 and the profile elements 2 that can be closed without tools are particularly preferred.
  • the stability of the entire luminaire grid is increased by the previously described connection of the individual grid modules 3 to one another, but it is not absolutely necessary. If the grid modules 3 are only loosely joined together, another problem arises from the fact that the grid modules 3 are made of plastic.
  • springs 31 are arranged on the end faces of the luminaire grid, which push the individual grid modules together and thus ensure that their end faces lie against one another at all times.
  • elastic bands or other elements which exert an axial pressure on the grid arrangement could also be used.
  • the grid modules 3 abut one another directly with their respective end faces in order to form the luminaire grid.
  • the individual modules 3 can also be deliberately arranged at a distance from one another.
  • Fig. 1 of DE 33 01 277 AI shown lamp The lamp (not shown) according to the invention is formed from two grid modules 3, each
  • Module 3 is assigned a lamp 2 and the two grid modules 3 in
  • Raster modules can intervene, as is shown, for example, in FIGS. 13 and 14.
  • An operating device unit is arranged between the grid modules 3 and can also accommodate mounting elements for mounting the lamp on a ceiling.
  • the lamp is covered by simple end pieces that
  • the space for the device unit is also covered by cover strips.
  • the device unit essentially consists of a mounting plate and the operating devices and, if applicable, of the mounting elements for mounting the lamp 1 on the ceiling.
  • the mounting plate is preferably designed in such a way that it fits with the profile parts 20, that is to say, similarly to the grid modules 3, has snap noses or the like which cooperate with the snap arms of the profiles 20.
  • the application of an axial pressure in accordance with the arrangement in FIG. 17 can be provided in order to ensure that the individual elements of the luminaire lie against one another in the longitudinal direction without gaps.
  • the profile parts 20 thus simultaneously form the outer wall of the lamp housing.
  • the outer sides of the profiles 20 can be designed in different ways. For example, grooves or ribs can be provided, or the outside can also be made very smooth.
  • the surface of the profiles 20 could also be colored by different coating methods. The method of powder coating is preferably used for this.
  • FIG. 18 shows a variant of the luminaire according to the invention, in which a U-shaped profile 20 is used instead of an L-shaped profile.
  • a space enclosed by the profile 20 is formed on the side next to the luminaire grid, in which, for example, lamp operating devices can in turn be accommodated.
  • the previously mentioned space for control gear is not necessary in this case.
  • Another variant (not shown) of the luminaire according to the invention consists in designing the L-shaped profiles 20 significantly higher than the grid modules 3. In this case, above the grid modules 3 a free space is created which is laterally covered by the side profiles 20 and which is also used for storage which can be used by lamp control gear. If the operating device is arranged in the middle of the luminaire 1, the ends of the luminaire can be designed in such a way that light can emerge both directly in the direction of the surface to be illuminated and - now only in the end regions of the luminaire - indirectly to the ceiling .
  • a final variant, shown in FIG. 19, consists in using a profile part 20 which has snap arms arranged on both sides for latching with raster modules 3. This makes it possible to form 20 luminaire grids on both sides of the central profile element and accordingly to implement two-lamp or multi-lamp luminaires.
  • the luminaire according to the present invention is thus distinguished by its simple construction, which makes it possible to provide luminaires in different variants and lengths by making minor changes to the individual components. At the same time, visually appealing lighting effects can be achieved and the luminaire can be given a high-quality appearance.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

L'invention concerne un dispositif d'éclairage à écran paralume comprenant des moyens servant à maintenir et raccorder électriquement une lampe tubulaire (2) ainsi que plusieurs modules d'écran paralume (3) disposés devant la lampe (2), vu dans le sens d'émission du rayonnement lumineux. Les modules d'écran paralume comportent des ouvertures de passage (5) servant respectivement à l'émission d'un rayonnement lumineux. Lesdits modules d'écran paralume (3) sont disposés de façon à former un écran paralume allongé pour le dispositif d'éclairage et sont maintenus par des éléments de maintien (20).
EP04728803.0A 2003-04-22 2004-04-22 Dispositif d'eclairage a ecran paralume Expired - Lifetime EP1616124B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10318346 2003-04-22
DE10342039A DE10342039A1 (de) 2003-04-22 2003-09-11 Rasterleuchte
PCT/EP2004/004281 WO2004094897A1 (fr) 2003-04-22 2004-04-22 Dispositif d'eclairage a ecran paralume

Publications (3)

Publication Number Publication Date
EP1616124A1 true EP1616124A1 (fr) 2006-01-18
EP1616124B1 EP1616124B1 (fr) 2015-06-24
EP1616124B2 EP1616124B2 (fr) 2018-08-29

Family

ID=33311750

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04728803.0A Expired - Lifetime EP1616124B2 (fr) 2003-04-22 2004-04-22 Dispositif d'eclairage a ecran paralume

Country Status (2)

Country Link
EP (1) EP1616124B2 (fr)
WO (1) WO2004094897A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007011212U1 (de) * 2007-08-10 2008-12-24 Zumtobel Lighting Gmbh Leuchte mit Raster zur Lichtabgabe
DE202009016793U1 (de) 2009-12-11 2011-04-21 Zumtobel Lighting Gmbh Anordnung zur Lichtabgabe

Family Cites Families (18)

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Publication number Priority date Publication date Assignee Title
DE1946788U (de) 1966-06-04 1966-09-29 Trilux Lenze Gmbh & Co Kg Leuchte fuer leuchtstofflampen mit einem lichtraster.
DE1597908A1 (de) * 1967-01-14 1970-08-27 Acker Norbert Karl Raumbeleuchtung
DE7540059U (de) * 1975-12-12 1976-05-26 Semperlux-Gmbh, 1000 Berlin Spiegelprofilleuchte, insbesondere fuer decken mit einem bestimmten deckenraster
AT376784B (de) 1982-01-18 1984-12-27 Zumtobel Ag Arbeitsplatzleuchte
DE8620169U1 (de) 1986-07-28 1986-10-09 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum Haltern eines Leuchten-Gitterrasters
DE8810235U1 (fr) * 1988-08-12 1988-11-03 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg, De
DE3831205A1 (de) * 1988-09-14 1990-03-22 Licentia Gmbh Verfahren zur herstellung eines leuchtenrasters
DE9017372U1 (fr) 1990-12-22 1991-04-04 Grosskinsky, Wilfried, 5000 Koeln, De
DE9104244U1 (fr) 1991-04-09 1991-06-20 Grosskinsky, Wilfried, 5000 Koeln, De
DE9416878U1 (de) 1994-10-24 1994-12-15 Hoffmeister Leuchten Kg Langfeldleuchte
EP0795719B1 (fr) * 1996-03-14 2006-01-25 Siteco Beleuchtungstechnik GmbH Unité modulaire pour illumination
DE19802376C2 (de) 1997-01-22 2003-04-30 Zumtobel Staff Gmbh Anordnung von mindestens zwei aneinander stoßenden gleichartigen Leuchten zu einem Lichtband und Positionierelement dafür
EP1074788B1 (fr) 1999-08-06 2006-06-21 Siteco Beleuchtungstechnik GmbH Elément de fixation pour composants utilisés dans la technique d'éclairage dans un luminaire
EP1132681B1 (fr) 2000-03-09 2013-01-23 Siteco Beleuchtungstechnik GmbH Système de rails de support
ITTO20010464A1 (it) * 2001-05-18 2002-11-18 Fiat Ricerche Dispositivo di illuminazione a luminanza controllata.
DE10151958A1 (de) 2001-10-22 2003-04-30 Zumtobel Staff Gmbh Leuchte mit mehreren Topfreflektoren
DE20209445U1 (de) * 2002-06-18 2002-09-05 Grau Tobias Leuchte für Leuchtstofflampen mit einem langgestreckten Leuchtengehäuse
DE102004002025A1 (de) 2004-01-14 2005-08-18 Zumtobel Staff Gmbh Leuchte mit Basisteil und wannenförmiger Abdeckung

Non-Patent Citations (1)

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Title
See references of WO2004094897A1 *

Also Published As

Publication number Publication date
WO2004094897A8 (fr) 2005-04-14
EP1616124B1 (fr) 2015-06-24
EP1616124B2 (fr) 2018-08-29
WO2004094897A1 (fr) 2004-11-04

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