EP2827050B1 - Éclairage - Google Patents

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Publication number
EP2827050B1
EP2827050B1 EP14176731.9A EP14176731A EP2827050B1 EP 2827050 B1 EP2827050 B1 EP 2827050B1 EP 14176731 A EP14176731 A EP 14176731A EP 2827050 B1 EP2827050 B1 EP 2827050B1
Authority
EP
European Patent Office
Prior art keywords
light
longitudinal
optic
support body
prisms
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.)
Active
Application number
EP14176731.9A
Other languages
German (de)
English (en)
Other versions
EP2827050A1 (fr
Inventor
Dirk Mania
Michael Krajka
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.)
RIDI Leuchten GmbH
Original Assignee
RIDI Leuchten GmbH
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Filing date
Publication date
Application filed by RIDI Leuchten GmbH filed Critical RIDI Leuchten GmbH
Priority to PL14176731T priority Critical patent/PL2827050T3/pl
Publication of EP2827050A1 publication Critical patent/EP2827050A1/fr
Application granted granted Critical
Publication of EP2827050B1 publication Critical patent/EP2827050B1/fr
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/049—Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/08—Refractors for light sources producing an asymmetric light distribution
    • 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
    • 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
    • F21V17/104—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 using feather joints, e.g. tongues and grooves, with or without friction
    • 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
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention relates to a luminaire, preferably a rectilinear and oblong luminaire, which is particularly suitable for producing a light band.
  • US 2009/0296381 A1 discloses a luminaire according to the preamble of claim 1.
  • US 5499170 discloses a luminaire with a rectilinear Carrying body and a straight-lined light optics.
  • Such a luminaire usually has a rectilinear and elongated support body, on which at least one electrical load is arranged and which can be releasably secured to a support profile, which serves for wall mounting or ceiling mounting.
  • rectilinear is understood in the present context to mean that a rectilinear body has a longitudinal central axis that extends along a straight line.
  • elongate is understood in the present context to mean that an elongate body has a length measured in its longitudinal direction which is greater than a width and height measured in its transverse direction. In particular, the length of the elongated body is at least twice, and preferably at least ten times, its width and height.
  • LEDs are typically at least one lighting device or lamp and an associated power electronics.
  • modern lamps often replace conventional lamps, such as light bulbs and fluorescent tubes, with energy-saving lamps.
  • LEDs also mean OLEDs, where OLED stands for organic LED.
  • LEDs In contrast to fluorescent tubes, LEDs each define a punctiform light source. If a plurality of such LEDs are arranged on a circuit board, then results in a series of punctiform light sources. This can be perceived as a loss of comfort or even disturbing, in particular compared to a conventional fluorescent tube.
  • the present invention is concerned with the problem of providing an improved embodiment of such a luminaire, which is characterized in particular by improved light emission. At the same time the simplest possible structure is sought, which favors an inexpensive production.
  • the invention is based on the general idea of providing the rectilinear and elongate supporting body specifically with at least one rectilinear holding region in which at least one rectilinear and oblong circuit board is mounted, which has a plurality of LEDs arranged along a rectilinear row. Furthermore, each holding region is associated with a rectilinear and oblong light optic, which represents a separate component with respect to the respective circuit board and with respect to the respective support body. The respective light optics is fixed to the support body and arranged so that it covers the respective board.
  • the light optics is an extrusion profile.
  • the light optics for this purpose is produced from a transparent or translucent plastic for the light emitted by the LEDs in the extrusion process.
  • the light optics used in the luminaire according to the invention has in cross section at its rear side facing the respective board a plurality of juxtaposed longitudinal protrusions projecting in the direction of the respective board, while it is rectilinear in cross section on its front side facing away from the respective board.
  • the longitudinal prisms define Lichtleitkonturen that are generated directly on the extrusion profile in the production of the light optics, so that the longitudinal prisms are integrally formed in the light optics.
  • the light emission of the luminaire can be significantly influenced.
  • the configuration presented here in which the longitudinal prisms are formed on the back of the light optics, while the front of the light optics is formed in a straight line in cross section.
  • this makes it possible to arrange the light optics on a correspondingly shaped carrier body with its front side flush with a front side of the carrier body, which considerably improves the optical appearance of the luminaire formed thereby.
  • the inevitably projecting longitudinal prisms form contours, which can preferably impurities, such as dust and the like accumulate.
  • the arrangement of the longitudinal prisms on the back of the light optics they are located in one of the respective board facing area, which is already protected against dust to protect the boards.
  • the respective light optics forms a cover of a depression, in which the holding region for receiving the respective circuit board is arranged. In this way, the risk of disturbing contamination of the longitudinal prisms can be significantly reduced.
  • the luminaire or the support body can be made more compact by the longitudinal prisms arranged on the rear side, since the longitudinal prisms can be positioned relatively close to the relatively small LEDs. In particular, this can efficiently utilize a volume present in the aforementioned recess.
  • the respective board has only a single LED row, which is then preferably arranged centrally on the respective board.
  • the longitudinal prisms may be geometrically shaped to align the light emitted by the LEDs by means of refraction, specifically in such a way as to produce a desired emission geometry which, in operation of the luminaire on the front side of the luminaire respective light optics is emitted or emitted.
  • a plurality of longitudinal prisms cooperate to produce a common emission geometry, whereby the light generated by the LEDs can be efficiently utilized to produce a desired emission geometry.
  • a desired lighting function can be realized specifically.
  • the longitudinal prisms of the rear side are geometrically shaped in such a way that they effect a transverse suppression of the light emitted at the front by means of refraction.
  • the transverse glare refers to the longitudinal direction of the lamp. In the case of a transverse glare, a glare effect of the light emitted by the light across the longitudinal direction of the light is reduced.
  • the light optics may also be straight in longitudinal section on its front side.
  • the front side is flat overall, which simplifies the production of the light optics.
  • the light optics in longitudinal section at its front several, juxtaposed, outwardly projecting Have transverse prisms.
  • Such transverse prisms like the longitudinal prisms, have a light guiding function and can influence the light emitted by the lamp.
  • Particularly useful is a development in which the transverse prisms of the front side are geometrically shaped so that they effect by means of refraction a longitudinal glare of the light emitted at the front.
  • the longitudinal glare also refers to the longitudinal direction of the lamp and reduces the glare of the emitted light from the lamp parallel to the longitudinal direction of the lamp.
  • a glare of the lamp in the transverse direction and / or in the longitudinal direction is particularly advantageous for powerful LEDs to increase the lighting comfort.
  • the transverse prisms can be worked out by machining the extrusion profile integrally on the extrusion profile. For example, it is possible to reshape the extrusion profile by partial hot forming on the front side so as to form the transverse prisms. Likewise, a machining or machining of the extrusion profile is conceivable in order to produce the transverse prisms.
  • the transverse prisms may be formed on a separate with respect to the extrusion profile attachment which is attached to the extrusion profile and which forms on its side facing away from the extrusion profile page, the front of the light optics.
  • the light optics can also be retrofitted with transverse prisms or with a longitudinal glare.
  • the attachment can be glued to the extrusion profile.
  • the facing sides of extrusion profile and Attachment be just configured, whereby a large-area contact is simplified.
  • the attachment and the extrusion profile are either directly contacted or indirectly via the adhesive used. It is clear that the attachment as well as the optionally used adhesive for the light emitted by the LEDs is transparent or translucent.
  • the support body for the respective holding region depending on a recess in which the respective light optics is used to close the respective recess.
  • the light optics then covers the respective board arranged in the recess.
  • the recessed housing of the board and the light optics in the support body results in a particularly compact design for the lamp.
  • this achieves that the longitudinal prisms are accommodated in the depression, as a result of which the space created in the depression can be utilized efficiently.
  • the longitudinal prisms are not recognizable from the outside, whereby an optically high-quality appearance can be realized.
  • a longitudinal guide is formed between the longitudinal sides of the respective light optics on the one hand and the longitudinal sides of the respective recess on the other hand with the aid of which the respective light optics is axially inserted into the support body.
  • a longitudinal guide may be formed by a tongue and groove guide.
  • the respective longitudinal guide can be formed by a guide contour which is integrally formed on the carrier body in the region of the respective longitudinal side of the depression and cooperates with a complementary counter-contour contour which is integrally formed on the light-optical system on the respective longitudinal side, preferably already during the extrusion process.
  • the guide contour can be designed as a spring of a tongue and groove guide, while the mating contour then forms a complementary groove.
  • the respective light optics is held by the respective longitudinal guide in a direction of emission of the LEDs by means of positive engagement on the carrier body.
  • the respective longitudinal guide is designed as a tongue and groove guide.
  • the respective longitudinal guide has a formed on the respective longitudinal side of the light optics longitudinal groove and formed on the respective longitudinal side of the recess longitudinal ridge which engages in the longitudinal groove.
  • the respective light optics is recessed in the associated recess, preferably in such a way that the, in particular, flat front side of the light optic is flush with a, in particular flat, front side of the support body.
  • the longitudinal prisms can be shaped to produce a symmetrical emission geometry with respect to a central axis of the light optics running perpendicular to the straight front side.
  • a symmetrical emission geometry a space adjoining the luminaire in the light propagation direction is illuminated symmetrically.
  • a symmetrical emission geometry is also accompanied by a symmetrical geometry of the light optics or a symmetrical arrangement of the longitudinal prisms on the light optics.
  • a radiation geometry which comprises a single, continuous, has symmetrical angular range to the central axis, in which the light emission takes place. Within this angular range, a complete illumination of the space adjoining the luminaire in the light propagation direction is thus achieved.
  • the light optics wide-beam or deep-beam or extremely deep-beam.
  • the light emission can thereby be adapted to different installation situations of the lights, which depends in a ceiling mounting of the lamp in particular from the respective room height.
  • the symmetrical light optics in such a way that the emission geometry which can be generated thereby has two angular regions in which the light emission takes place, which are separated in the area of the central axis apart from any overlapping that is proximal to the light optic, are symmetrical to the central axis and each are continuous.
  • two symmetrical angular ranges separated from one another are thus formed. This results in an illumination that spares a region that adjoins the luminaire in the light propagation direction in a straight line to a large extent and, on the other hand, illuminates laterally adjacent regions.
  • the longitudinal prisms may be shaped to produce asymmetric emission geometry with respect to a central axis of the light optic that is perpendicular to the straight front. In this way, a light emission is generated, which takes place substantially only on one side of said central axis.
  • the support body If only one holding area for accommodating the respective circuit board is provided on the support body, it is a single-flame luminaire. If, however, two or more such holding regions are arranged next to one another on the carrier body, in each of which at least one board can be accommodated, it is a two-lamp or multi-lamp. In the case of a two- or multi-lamp luminaire, the light optics used may in principle be identical. Likewise, different light optics can be used simultaneously on the same support body. This results in versatile possibilities for varying the respective illumination. As a result, the luminaire presented here can be adapted particularly easily to different lighting tasks.
  • FIG. 1 1 comprises a rectilinear and oblong luminaire 1, a rectilinear and oblong supporting body 2, and a straight and oblong supporting profile 3.
  • the support profile 3 is used to mount the lamp 1 on a wall or ceiling.
  • the support section 3 is for example a sheet metal part.
  • a current-carrying rail 4 which has a plurality of engagement regions 5, in each of which at least one electrical conductor 6 can extend.
  • the current-carrying rail 4 is electrically connected, for example, to a power grid of a building.
  • the support body 2 carries at least one electrical load 7, here by a lighting device 8 in conjunction with an associated, in FIG. 3 recognizable power electronics 9 is formed.
  • the lighting device 8 is in this case formed by at least one rectilinear and elongated circuit board 10, which carries a plurality of LEDs 11, which are arranged along a rectilinear row. This LED row extends parallel to the longitudinal direction of the lamp 1, ie in the Figures 1 and 2 each perpendicular to the plane of the drawing.
  • the support body 2 has at least one rectilinear holding region 12, in which the respective circuit board 10 is arranged and is fixedly connected to the support body 2.
  • FIG. 1 shown embodiment, only one holding portion 12 is formed centrally in the support body 2, in which one or more such boards 10 are arranged. Accordingly, the in FIG. 1 shown lamp 1 to a single-lamp 1. In contrast, shows FIG. 2 a two-lamp lamp 1, but without support profile 3. In this case, the support body 2 includes two juxtaposed holding areas 12, in each of which at least one circuit board 10 is arranged.
  • the respective circuit board 8 is fastened to the support body 2 in the respective holding region 12 by means of retaining webs 13, which are preferably integrally formed on the support body 2 and engage over the respective board 10 at lateral longitudinal edges and press against the holding region 12 and thereby the circuit board 10 fix on the support body 2.
  • the holding webs 13 are plastically deformed for this purpose, preferably by means of a rolling process.
  • the support body 2 is preferably an extruded profile, which is made of a light metal, for example aluminum, or of a light metal alloy, for example of an aluminum alloy.
  • the support body 2 is locked to the support section 3.
  • the support profile 3 has resilient latching regions 14, which cooperate with complementary thereto, formed on the support body 2 locking contours 15 and thus positively locking and / or frictionally lock.
  • a retaining clip 16 may be provided, on the one hand is fixed to the support body 2 and the other hand is latched to the support section 3.
  • the support body 2 carries at least one connection element 17 which has engagement elements 18 which engage in the engagement regions 5 of the current-carrying rail 4.
  • the respective connection element 17 is connected, for example, to the aforementioned power electronics 9, which in turn is connected to the respective lighting device 8.
  • the luminaire 1 also has, for each holding region 2, at least one rectilinear and oblong optical system 19, which represents a separate component both with respect to the circuit board 10 and with respect to the carrier body 2.
  • the light optics 19 is held in a suitable manner on the support body 2 and arranged thereon so that it covers the respective circuit board 10.
  • the support body 2 for the respective holding portion 12 has a recess 20 in which the respective holding portion 12 is recessed with respect to a side facing away from the support section 3 front 21 of the support body 2.
  • the light optics 19 is mounted on the support body 2, that closes the respective recess 20.
  • the light optics 19 is expediently inserted into the respective recess 20.
  • the longitudinal guides 22 are each formed between two mutually applied longitudinal sides 23 of the light optics 19 on the one hand and two mutually facing longitudinal sides 24 of the recess 20.
  • the respective longitudinal guide 22 is configured in the manner of a tongue-and-groove guide, wherein a guide contour 25 formed on the respective longitudinal side 24 of the recess 20 cooperates or engages in the form of a spring with a counter-contour 26 complementary thereto. at the respective longitudinal side 23 of the light optics 19 is formed.
  • the respective guide contour 25 is integrally formed on the extruded profile of the support body 2.
  • the positioning of the respective light optics 19 on or in the respective recess 20 is preferably carried out so that the light optics 19 is substantially flush with the front side 21 of the support body 2.
  • the light optics 19 is designed as an extrusion profile.
  • the aforementioned counter-contour contours 26 can be formed integrally on the extrusion profile of the light-optical system 19.
  • the respective light optics 19 is thus by the respective longitudinal guide 22 in a in the Fig. 1 and 2 by an arrow indicated emission direction 44 of the LEDs 11 and the entire lamp 1 by means of positive engagement on the support body 2 held.
  • the respective longitudinal guide 22 is preferably designed as a tongue and groove guide.
  • the respective longitudinal guide 22 has a longitudinal groove 26 formed on the respective longitudinal side 23 of the light optics 19 and a longitudinal web 25 formed on the respective longitudinal side 24 of the depression 20, which engages in the longitudinal groove 26.
  • the respective light optics 19 is recessed in the associated recess 20, such that the front side 30 of the light optics 19 is flush with a flat front side 21 of the support body 2.
  • connection element 17 can be connected in an electrically conductive manner to the support body 2 with the aid of a grounding clip 27.
  • the power electronics 9 can be fixed by means of a bracket clip 28 on the support body 2.
  • the light optics 19 has a rear side 29 facing the respective circuit board 10 and a front side 30 facing away from the respective circuit board 10.
  • the light optics 19 at its rear side 29 a plurality of juxtaposed, projecting longitudinal prisms 31.
  • the light optics 19 at its front 30 in cross section is rectilinear.
  • the light optics 19, for example, in the embodiments of the FIGS. 7 to 11 also in a longitudinal section, not shown here, perpendicular to the drawing planes of the FIGS. 7 to 11 is to be rectilinear at its front 30.
  • the front side 30 of the light optical system 19 is straight both in cross section and in the longitudinal section, as a result of which the front side 30 defines or is plane.
  • Such a level is purely exemplary in FIG. 7 indicated and designated 32.
  • FIGS. 4 to 5 an embodiment of the light optics 19, wherein the light optics 19 in the longitudinal section of FIG. 4 has at its front 30 a plurality of juxtaposed, projecting transverse prisms 33. While the longitudinal prisms 31 of the back 29 extend parallel to the longitudinal direction of the light optics 19, the transverse prisms 33 of the front 30 extend transversely to the longitudinal direction of the light optics 19. In principle, the in the FIGS. 7 to 11 embodiments shown to be equipped with such transverse prisms 33.
  • the transverse prisms 33 are expediently geometrically shaped in such a way that they effect a longitudinal glare of the light emitted on the front side 30 during operation of the luminaire 1 by refraction, ie by refraction of light.
  • the transverse prisms 33 can be as in FIG. 5 shown to be integrally formed on the extrusion profile of the light optics 19, by machining the extrusion profile. It is conceivable, for example, a hot forming of the front side 30, the transverse prisms 33rd impress or produce by forming. Furthermore, it is conceivable to machine the extrusion profile on the front side 30 in order to produce the transverse prisms 33.
  • FIGS. 4 and 6 an embodiment in which a separate attachment 35 is attached to the extrusion profile 34 in a suitable manner, on which the transverse prisms 33 are formed.
  • the attachment 35 may be attached to the extrusion profile 34 in a suitable manner.
  • a side facing away from the extrusion profile 34 side of the attachment 35 then forms the front 30 of the light optics 19.
  • the attachment 35 is adhered to the extrusion profile 34.
  • Attachment 35 and extrusion profile 34 can along a plane 36, the in FIG. 6 is indicated, abut each other.
  • the longitudinal prisms 31 are geometrically shaped so that they align the light emitted by the LEDs 11 of the respective circuit board 10 during operation of the luminaire 1 by means of refraction. In this case, this alignment takes place in such a way that an emission geometry 37 for the light emitted at the front 30 of the light optics 19 results. Furthermore, the longitudinal prisms 31 are expediently shaped in such a way that, by refraction, they effect a transverse suppression of the light emitted at the front side 30.
  • the longitudinal prisms 31 are geometrically shaped such that the emission geometry 37 generated thereby is symmetrical with respect to a central axis 38 in cross-section.
  • the central axis 38 in this case runs perpendicular to the straight front 30 of the light optics 19.
  • the longitudinal prisms 31 are geometrically shaped such that the emission geometry 37 generated thereby has a single, continuous angle region 39 in which the light emission takes place.
  • FIG. 7 shows an embodiment in which the longitudinal prisms 31 a small Angle range 39 for generating a low-beam Abstrahlgeometrie 37 form.
  • the geometric shape of the longitudinal prisms 31, on the other hand, is such that the emission geometry 37 created in this case has two angular regions 40 in which the light emission takes place.
  • the two angular regions 40 are each continuous. They are also arranged symmetrically to the central axis 38. However, the two separate angular regions 40 are separated from each other in the region of the central axis 38. This can in principle be continuous, ie along the entire center axis 38. However, as in FIG. 9 form an overlap 41 of the two angular regions 40 near the light optics 19, so that the two angular regions 40 propagate separately only after this overlap 41, ie, distally to the light optics 19.
  • the longitudinal prisms 31, which in the embodiments of the FIGS. 7 to 10 each generate a symmetrical Abstrahlgeometrie 37 are symmetrically arranged at the respective light optics 19 itself also with respect to the central axis 38. Accordingly, the entire light optics 19 in these embodiments with respect to the central axis 38 is mirror-symmetrical.
  • FIG. 11 shows FIG. 11 an embodiment in which the longitudinal ribs 31 are arranged and formed asymmetrically with respect to the central axis 38. Also, the light optics 19 in this embodiment is no longer mirror-symmetrical to the central axis 38. Such an embodiment also leads to the generation of an asymmetric emission geometry 42, wherein the asymmetry relates again to the central axis 38.
  • the asymmetrical emission geometry 42 can analogously to the embodiments of the FIGS. 7 . 8th and 10 a single, continuous angle range 43 include.
  • FIG. 1 the embodiment shown is purely exemplary of the asymmetrical light optics 19 FIG. 11 intended.
  • FIG. 2 shown embodiment is in both wells 20 each of the asymmetrical light optics 19 from FIG. 11 provided, wherein the two asymmetric light optics 19 are also installed asymmetrically, whereby the two-lamp lamp 1 of FIG. 2 overall produces an asymmetrical light emission.

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

Claims (13)

  1. Lampe
    - comprenant un corps porteur (2) rectiligne et allongé, qui présente au moins une zone de maintien (12) rectiligne, dans laquelle au moins une platine (10) rectiligne et allongée est fixée, laquelle présente plusieurs DEL (11) disposées le long d'une rangée rectiligne,
    - dans laquelle respectivement une optique lumineuse (19) rectiligne et allongée est associée à chaque zone de maintien (12), laquelle représente un composant séparé par rapport à la platine (10) respective et au corps porteur (2), est maintenue au niveau du corps porteur (2) et qui recouvre la platine (10) respective,
    - dans laquelle l'optique lumineuse (19) respective est un profilé d'extrusion,
    - dans laquelle l'optique lumineuse (19) respective présente, dans la section transversale, au niveau de son côté arrière (29) tourné vers la platine (10) respective, plusieurs prismes longitudinaux (31) disposés les uns à côté des autres, en saillie,
    caractérisée en ce
    - que le corps porteur (2) est un profil extrudé en métal léger ou en un alliage de métaux légers,
    - que l'optique lumineuse (19) respective est, dans la section transversale, au niveau de son côté avant (30) opposé à la platine (10) respective, rectiligne,
    - que le corps porteur (2) présente, pour la zone de maintien (12) respective, respectivement un creux (20), dans lequel l'optique lumineuse (19) respective est insérée afin de fermer le creux (20) respectif,
    - qu'est réalisé entre d'une part des côtés longitudinaux (23) opposés les uns aux autres de l'optique lumineuse (19) respective et d'autre part des côtés longitudinaux (24) tournés les uns vers les autres du creux respectif (20), respectivement un guidage longitudinal (22), à l'aide duquel l'optique lumineuse (19) respective est enfichée de manière axiale dans le corps porteur (2).
  2. Lampe selon la revendication 1,
    caractérisée en ce
    que les prismes longitudinaux (31) sont formés de manière géométrique de telle sorte qu'ils orientent la lumière émise par les DEL (11) au moyen d'une réfraction afin de produire une géométrie d'émission (37, 42) émise au niveau du côté avant (30) de l'optique lumineuse (19) respective.
  3. Lampe selon la revendication 1 ou 2,
    caractérisée en ce
    que l'optique lumineuse (19) est, dans la coupe longitudinale, rectiligne au niveau de son côté avant (30).
  4. Lampe selon la revendication 1 ou 2,
    caractérisée en ce
    que l'optique lumineuse (19) présente, dans la coupe longitudinale, au niveau de son côté avant (30), plusieurs prismes transversaux (33) disposés les uns à côté des autres, en saillie.
  5. Lampe selon la revendication 4,
    caractérisée en ce
    que les prismes transversaux (33) sont élaborés intégralement au niveau du profilé d'extrusion (34) par usinage du profilé d'extrusion (34).
  6. Lampe selon la revendication 4,
    caractérisée en ce
    que les prismes transversaux (33) sont réalisés au niveau d'un composant rapporté (35) séparé par rapport au profilé d'extrusion (34), lequel est fixé au niveau du profilé d'extrusion (34) et qui forme, au niveau de son côté opposé au profilé d'extrusion (34), le côté avant (30) de l'optique lumineuse (19).
  7. Lampe selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    que l'optique lumineuse (19) respective est maintenue au moyen d'une complémentarité de forme au niveau du corps porteur (2) par le guidage longitudinal (22) respectif dans une direction d'émission (44) des DEL (11).
  8. Lampe selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    que le guidage longitudinal (22) respectif est configuré sous la forme d'un guidage à rainure et à languette.
  9. Lampe selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    que le guidage longitudinal (22) respectif présente une rainure longitudinale (26) réalisée au niveau du côté longitudinal (23) respectif de l'optique lumineuse (19) et une nervure longitudinale (25) réalisée au niveau du côté longitudinal (24) respectif du creux (20), laquelle vient en prise avec la rainure longitudinale (26).
  10. Lampe selon l'une quelconque des revendications précédentes,
    caractérisée en ce
    que l'optique lumineuse (19) respective est disposée de manière enfoncée dans le creux (20) associé de telle manière que le côté avant (30) de l'optique lumineuse (19) se termine au même niveau d'un côté avant (21) plan du corps porteur (2).
  11. Lampe selon l'une quelconque des revendications 1 à 10,
    caractérisée en ce
    que les prismes longitudinaux (31) sont formés afin de produire une géométrie d'émission (37) symétrique par rapport à un axe central (38), s'étendant de manière perpendiculaire par rapport au côté avant (30) droit, de l'optique lumineuse (19).
  12. Lampe selon la revendication 11,
    caractérisée en ce
    que la géométrie d'émission (37) présente deux plages angulaires (40), dans lesquelles l'émission de lumière a lieu, lesquelles sont séparées dans la zone de l'axe central (38), abstraction faite d'un chevauchement (41) proximal éventuellement présent par rapport à l'optique lumineuse (19), sont symétriques par rapport à l'axe central (38) et sont respectivement continues en soi.
  13. Lampe selon l'une quelconque des revendications 1 à 10,
    caractérisée en ce
    que les prismes longitudinaux (31) sont formés afin de produire une géométrie d'émission (42) asymétrique par rapport à un axe central (38), s'étendant de manière perpendiculaire par rapport au côté avant (30) droit, de l'optique lumineuse (19).
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FR3034166B1 (fr) * 2015-03-23 2018-04-06 Novaday International Dispositif d'eclairage lineaire a diodes electroluminescentes avec un lobe d'eclairage decale
ITUB20153331A1 (it) * 2015-09-01 2017-03-01 Osram Spa Lente per dispositivi di illuminazione, dispositivo e procedimento corrispondenti
DE102017110428A1 (de) * 2017-05-12 2018-11-15 Occhio GmbH Innen- oder Außenleuchte mit einer blendarmen Lichtaustrittsfläche
DE102021212614B4 (de) 2021-11-09 2023-11-16 Ridi Leuchten Gmbh Optik für eine Leuchte und Leuchte mit Optik

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EP1130310B1 (fr) * 2000-03-03 2005-08-03 Siteco Beleuchtungstechnik GmbH Luminaire à conducteur de lumière creux avec une lampe intégrée dans la cavité
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PL2827050T3 (pl) 2017-05-31
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