EP0903535A2 - Système de grille pour luminaires - Google Patents

Système de grille pour luminaires Download PDF

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Publication number
EP0903535A2
EP0903535A2 EP98250339A EP98250339A EP0903535A2 EP 0903535 A2 EP0903535 A2 EP 0903535A2 EP 98250339 A EP98250339 A EP 98250339A EP 98250339 A EP98250339 A EP 98250339A EP 0903535 A2 EP0903535 A2 EP 0903535A2
Authority
EP
European Patent Office
Prior art keywords
prism body
arrangement according
light source
lamella
cross
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.)
Withdrawn
Application number
EP98250339A
Other languages
German (de)
English (en)
Other versions
EP0903535A3 (fr
Inventor
Udo Bansbach
Dieter Albert
Helmut Senkel
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.)
Semperlux Aktiengesellschaft Lichttechnische Werk
Original Assignee
Semperlux 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
Application filed by Semperlux GmbH filed Critical Semperlux GmbH
Publication of EP0903535A2 publication Critical patent/EP0903535A2/fr
Publication of EP0903535A3 publication Critical patent/EP0903535A3/fr
Withdrawn legal-status Critical Current

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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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/04—Combinations of only two kinds of elements the elements being reflectors and refractors
    • 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
    • F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
    • F21V13/02—Combinations of only two kinds of elements
    • F21V13/10—Combinations of only two kinds of elements the elements being reflectors and screens
    • 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
    • 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
    • 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 invention relates to a lamella arrangement for lights according to the preamble of the main claim.
  • Luminaire grids are known in lighting technology which Slats, e.g. made of mirrored materials, with the help of which glare-free light is emitted into a room can be.
  • the slats form individual spatial bodies with two partial areas similar to a parabola on both Sides that are V-shaped with the pointed side of one Light source are arranged facing away. Because of relatively complicated Such slats have so far been in spatial form from punched aluminum sheet blanks, which are then shaped and were joined together using longitudinal bars or manufactured as a coherent injection molded part, which then vaporized with a reflective has been. These manufacturing processes are because of the need extremely from many intermediate processing steps complex and therefore expensive.
  • the invention has for its object a lamella arrangement to create lights that are simple and inexpensive is to produce and which is a good glare control and light control guaranteed.
  • the slat arrangement can be made using transparent plastics in injection molding technology or by extrusion or from glass as well as in combination with aluminum side reflectors getting produced.
  • the slats or prismatic bodies have the task of directing light, whereby the light control through refraction during transmission as well as lossless through reflection by means of total reflection takes place.
  • the slats shield the light of one Lamp from certain cut-off angles.
  • the invention Slat arrangements preferably serve as lower and side light ends in lights for Interiors, in lights for outdoor spaces under canopies, such as used for petrol pump lighting become. Also rotationally symmetrical designs with Cross grids or with ring grids for almost punctiform, centrally arranged lamps and / or for concentric arranged ring lamps are possible.
  • the prism body Cross-section are essentially triangular, with a Combine cylindrical lens so that there is a teardrop-shaped Cross-sectional shape results. With such an arrangement an even better glare control can be achieved.
  • the side surfaces of the prism bodies are curved or straight can be and the surface facing away from the light source concave, convex, straight, mirrored and provided with prisms be or a combination of these characteristics applied become.
  • Prism body by hollow chamber extrusion or in press or to produce spray technology as a shaped body, so that the prism body facing away from the light source Area are interconnected.
  • FIG. 1 is a partial view of a luminaire grid 20
  • Light source 3 which is an elongated fluorescent lamp can be formed.
  • the luminaire grid 20 has two longitudinal webs or longitudinal elements 1, one Form bracket for slats 2.
  • the longitudinal webs 1 are in their shape adapted to the lamp in which the lamp grid should be used and are in the present Embodiment, as can be seen in the section, slightly inwards e.g. parabolically curved. Of course they can also have a different curvature, they can be shaped in steps or even straight.
  • the longitudinal webs 1 mirrored on the inside or with another surface with a high degree of reflection Mistake.
  • the slats 2 are spaced from one another transversely to Light source 3 attached between the longitudinal webs 1 and attached to the longitudinal webs 1 via a fastening spring 4, through which the grid 20 consisting of lamellae 2 and longitudinal element 1 snapped into a lamp without tools can be.
  • the slats 2 are shown in more detail in FIG. 3 shown and exist made of a transparent plastic prism body or glass that is essentially triangular in cross section is formed, whereby the light source 3 facing bottom 6 has the greatest width and the side surfaces 7 obliquely upwards to the light source 3 run out and according to FIG. 3 in one tip Edge 5 ends.
  • FIG. 3rd a) to g) (h) is a side view) are the side surfaces 22 of the prism body is curved, e.g.
  • the shape of the side surfaces can also be straight Surface parts are approximated or the curved surface can be graduated.
  • the bottom 6 of the prism body 21 can according to the desired radiation conditions concave (FIG. 3 a, b), convex (FIG. 3 c, d) straight (FIG. 3 e, f) or with prisms in longitudinal or Transverse direction (FIG. 3 g, h) or another have prismatic radiation surface.
  • the bottom 6 can be mirrored or otherwise e.g. transparent and / or colored or opaque be coated, as in the perspective view in FIG. 3 is indicated.
  • the cross-sectional shapes from FIG. 3rd i to p correspond to those according to FIG. 3 a to h with the difference that the side surfaces 22 are not curved are provided, but are just trained.
  • the lamellae 2 or prism body 21 are preferably made made of plastic and can be injection-extruded, Pressing process and the like process produced become.
  • a plastic with the desired Transmission behavior can be chosen and the surfaces of the prism body 21, in particular the underside 6 be provided with the desired structuring.
  • Glass can be used, with e.g. the Pressing is chosen.
  • FIG. 4a) and b) and FIG. 12 are other forms a prismatic lamella 2 in supervision and in Cross section shown.
  • the lower edge 24 is also over the length of the lamella 2 is drawn in concavely, whereby the curvatures of the upper edge 23 and the lower edge 24 can also be different.
  • FIG. 2a) and b) beam paths are shown, wherein in FIG. 2a) the course between two slats is shown is where the refraction at the interfaces of the lamella is easy to see.
  • FIG. 2b) is the bottom 2 of the lamella concave and that of the light source 3 rays hitting the bottom is totally reflected and through total reflection the escape of disturbing light avoided and the reflected Light is passed on as useful light.
  • the bottom can be mirrored.
  • FIG. 5 shows a schematic perspective view a molded body produced by means of hollow chamber extrusion 25, the longitudinal section of which is shown in FIG. 6 is shown.
  • the slats 2 are 6 on their underside connected to each other and have no distance from each other on and its side facing the light source 3 the slats are flattened and also in this area 2 connected by webs 26.
  • an embodiment arises that has an optical path has that of a conventional parabolic mirror grid is similar to the prior art, in which however, in place of the air space between the parabolic mirror blades transparent according to the state of the art light-directing material 9 occurs and the "leaves" formed here as a cavity 27 according to the prior art are.
  • FIG. 6 two beam paths are shown, with the one at the transition between transparent Material 9 and air have a refraction designated 7 and in the other beam path at the transition from one determined angle the total reflection designated 8 takes place.
  • This molded body 25 can also with a locking mechanism to be attached to the longitudinal webs 1, but it can also otherwise, e.g. by hanging on the bracket forming frame are attached.
  • FIG. 7 are other ways of forming Shaped bodies 25 shown in longitudinal section.
  • FIG. 7a) shows an embodiment that is technically simpler as an embodiment in hollow chamber extrusion according to FIG. 6 is to be produced.
  • a separate plate 28 as a connecting element of the Light source 3 facing side of the slats 2 is provided.
  • the molded body 25 consists of two molded parts 10, 11, wherein the one molded part 11 the series the slats 2 forms and the other molded part 10 fills in and out the cavities between the slats 2 a transparent material that unites one to the of the material of the molded part 11 different refractive index Has.
  • FIG. 7a) shows an embodiment that is technically simpler as an embodiment in hollow chamber extrusion according to FIG. 6 is to be produced.
  • a separate plate 28 as a connecting element of the Light source 3 facing side of the slats 2 is provided.
  • the molded body 25 consists of two molded parts 10, 11, wherein the one molded part 11 the series the
  • FIG. 7c) is again a longitudinal section a molded body 25 shown, in which the lamellae 2 a flattened triangular shape in cross section have and wherein this embodiment is also in Hollow chamber extrusion process is made.
  • this embodiment is also in Hollow chamber extrusion process is made.
  • a separate plate similar to plate 28 according to FIG. 7a) or as shown in FIG. 7b) can two molded parts, each with inverted shape and materials different refractive indices can be used.
  • FIG. 8 is a cylindrical lens in longitudinal section and in cross section 29 shown, the cylindrical lens 29 in Cross section is formed as a circular section.
  • the cylindrical lens 29 is with the underside 6 of a lamella 2 connected and forms the end of the lamella 2.
  • For one Connection to the lamella 2 instructs the cylindrical lens at their ends approaches 30 with corresponding recesses engage at the ends of the lamella 2.
  • FIG. 9 is a lamella 2 with a cylindrical lens 29 in the composite State shown.
  • the cylindrical lens 29 as the lower end surface of the lamella 2 is a better one Glare achieved.
  • the lamellar prism 2 it can be at certain positions of light to radiation at too small angles and thus too come in a glare. This is due to the cylindrical lens 29 avoided because they have these unfavorable rays due to total reflection and / or by refraction into favorable beam angles distracts.
  • the cylindrical lens 29 is also preferably made of plastic or glass and is made using the methods mentioned above manufactured.
  • the Lamella 2 at their ends molded locking elements 31, the for locking or jamming with the bracket serving longitudinal webs or elements 1. To do this corresponding recesses or holes in the longitudinal webs provided in which the locking elements 31 are inserted and through corresponding slits or cross-sectional constrictions is locked.
  • FIGS. 10 and 11 are bottom views and cross sections a rotationally symmetrical arrangement of the Slats 2 receiving bracket 13 shown, wherein FIG. 10 the arrangement of the lamella as a cross grid in one rotationally symmetrical conical round reflector 13 for the operation with approximately punctiform centrally arranged Lamps 3 and / or arranged concentrically Ring lamps (shown in phantom) shows.
  • FIG. 11 are the convex shaped prismatic slats 2 as Ring pattern 15 in the rotationally symmetrical round reflector used and can by transparent webs or Wire clips or the like. To be connected to it.
  • the cross-sectional contour is in the exemplary embodiments described the slats or the prism body in such a way designed that they are particularly in their general form with regard to the side contour towards the light source rejuvenated.
  • the cross-sectional contour generally tapering towards the light source can be straight, curved or serrated e.g. similar to a Fresnel lens or graduated parts be formed.
  • the prism body can the contour of the general tapered shape, e.g. can in the bottom Range of the distance between the side surfaces in the Seen cross-section, remain the same or become smaller.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP98250339A 1997-09-23 1998-09-23 Système de grille pour luminaires Withdrawn EP0903535A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29716999U 1997-09-23
DE29716999U DE29716999U1 (de) 1997-09-23 1997-09-23 Prismierte Lamellen zur Abblendung und Lenkung von Licht

Publications (2)

Publication Number Publication Date
EP0903535A2 true EP0903535A2 (fr) 1999-03-24
EP0903535A3 EP0903535A3 (fr) 2000-09-20

Family

ID=8046342

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98250339A Withdrawn EP0903535A3 (fr) 1997-09-23 1998-09-23 Système de grille pour luminaires

Country Status (2)

Country Link
EP (1) EP0903535A3 (fr)
DE (1) DE29716999U1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004088203A1 (fr) * 2003-04-03 2004-10-14 Zumtobel Staff Gmbh Element influant sur la lumiere
WO2006018285A1 (fr) * 2004-08-16 2006-02-23 Zumtobel Lighting Gmbh. Ensemble ecran
EP1712835A1 (fr) * 2005-04-13 2006-10-18 Reggiani S.p.A. Illuminazione Dispositif d'éclairage avec écran amélioré
DE102005035720A1 (de) * 2005-07-29 2007-02-08 Zumtobel Staff Gmbh Leuchte mit einer langgestreckten Lichtquelle und mit einem ebenfalls langgestreckten Lichtleitelement
DE102008016496A1 (de) * 2008-03-31 2009-10-01 Zumtobel Lighting Gmbh Leuchte mit punktförmiger Lichtquelle und asymmetrischer Lichtabstrahlcharakteristik

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20070290A1 (it) * 2007-10-31 2009-05-01 Turn Lights S R L Struttura di schermo, particolarmente per apparecchi di illuminazione.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2143148A (en) * 1937-01-26 1939-01-10 Edwin F Guth Light shield
US2904673A (en) * 1957-02-13 1959-09-15 Sr Edwin F Guth Light diffusors for illuminating devices
FR1334217A (fr) * 1962-09-24 1963-08-02 Dow Chemical Co Feuilles de composition thermoplastique transparente qui diffusent la lumière
US3600570A (en) * 1967-12-11 1971-08-17 Mitsubishi Rayon Co Low glare louver
ATE187538T1 (de) * 1993-09-09 1999-12-15 Veko Products B V Querlamelle für leuchtenkasten
CH690657A5 (de) * 1993-12-01 2000-11-30 Olga Raimondi Staeuble Richtblende für Beleuchtungskörper.
DE4344978C2 (de) * 1993-12-30 1996-09-05 Parol Leuchtenkomponenten Gmbh Leuchtenraster für mindestens eine langgestreckte Lichtquelle

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004088203A1 (fr) * 2003-04-03 2004-10-14 Zumtobel Staff Gmbh Element influant sur la lumiere
US7766506B2 (en) 2003-04-03 2010-08-03 Zumtobel Staff Gmbh Light influencing element
EP2295851A3 (fr) * 2003-04-03 2014-09-03 Zumtobel Staff GmbH Elément influant sur la lumière
WO2006018285A1 (fr) * 2004-08-16 2006-02-23 Zumtobel Lighting Gmbh. Ensemble ecran
EP1712835A1 (fr) * 2005-04-13 2006-10-18 Reggiani S.p.A. Illuminazione Dispositif d'éclairage avec écran amélioré
DE102005035720A1 (de) * 2005-07-29 2007-02-08 Zumtobel Staff Gmbh Leuchte mit einer langgestreckten Lichtquelle und mit einem ebenfalls langgestreckten Lichtleitelement
DE102008016496A1 (de) * 2008-03-31 2009-10-01 Zumtobel Lighting Gmbh Leuchte mit punktförmiger Lichtquelle und asymmetrischer Lichtabstrahlcharakteristik

Also Published As

Publication number Publication date
EP0903535A3 (fr) 2000-09-20
DE29716999U1 (de) 1998-01-08

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