EP0358155A1 - Grille pour luminaire - Google Patents

Grille pour luminaire Download PDF

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Publication number
EP0358155A1
EP0358155A1 EP89116331A EP89116331A EP0358155A1 EP 0358155 A1 EP0358155 A1 EP 0358155A1 EP 89116331 A EP89116331 A EP 89116331A EP 89116331 A EP89116331 A EP 89116331A EP 0358155 A1 EP0358155 A1 EP 0358155A1
Authority
EP
European Patent Office
Prior art keywords
edge
luminaire
cutouts
grid
grid according
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Withdrawn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
EP89116331A
Other languages
German (de)
English (en)
Inventor
Michael Jordan
Günter Grünert
Ulrich Jordan
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.)
August Jordan & Co GmbH
Original Assignee
August Jordan & Co 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 August Jordan & Co GmbH filed Critical August Jordan & Co GmbH
Publication of EP0358155A1 publication Critical patent/EP0358155A1/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Withdrawn legal-status Critical Current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
    • F21V11/06—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

Definitions

  • the present invention relates to a luminaire louvre made of external reflectors and louvre louvers running transversely to these louvers, the cross-sectional shape of which is held in the external reflectors by means of latching means.
  • Such a luminaire grid is known from DE-PS 30 05 762.
  • the locking means with which the louvres are held in the outer reflectors consist of projections on the edges of the cutouts receiving the louvres and of these associated locking slots formed in the louvres, into which the projections engage when the grid is plugged together and the louvres and the outer reflector hold in the target position.
  • This design of the luminaire grid requires a certain amount of play in the upper region of the recesses for receiving the louvre slats, so that when the ends of the louvre slats are inserted into the cutouts, these can be guided past the projections, which is made possible by a slight compression of the lamella slat legs.
  • the present invention has for its object to provide a lamella fixation in a grid described above, which on the one hand ensures a secure holding of the grid parts to each other and on the other hand enables easy, automated assembly.
  • the latching means are formed from at least two spring-elastic latching tongues of the grid slats projecting outward in opposite directions from the cross-sectional contour of the grid slats, which rest with their free ends on the outer sides of the outer reflectors.
  • This design enables the outer reflectors and the louvre slats to be joined together in a simple manner in that the outer reflectors are pushed over the louvre slats, the resilient arms being pressed back into the louvre slat plane and springing back after passing through the outer reflectors and thus for contacting the outside of the external reflectors come, whereby these are fixed in their position between the free ends of the spring-elastic locking tongues and a stop on the louvres. It is also essential that in addition to a fixation in the transverse direction of the luminaire grid there is also a perfect fixation in the longitudinal direction, which is achieved by a tight fit of the louvre slats within the cutouts.
  • the cutouts in the outer reflectors have side edges running in accordance with the V-shaped louvres. which are connected at their base point by a horizontal lower edge and which are spaced at their upper end by a projection projecting into the recesses, guide slots being formed by the projection and the side edges. According to the invention, these guide slots serve to receive the V-shaped grid lamellae, the projection pushing the lamellae apart so that they rest on the side edges of the cutouts.
  • An important advantage of the invention is that it is not only limited to an application for V-shaped louvres, but can also be used for straight slats. In addition, it is also suitable for a reliable fixing of grid lamellae with small lamella heights, since the latching means according to the invention do not require the grid lamellae to be compressed for assembly.
  • a luminaire grid 1 consists of two parallel, spaced-apart outer reflectors 2 and transversely to the outer reflectors, in particular perpendicular to these, louvre-shaped louvres 3.
  • the outer reflectors used in the luminaire grid according to the invention have, for. B. a curved contour, so that they are slightly concave with respect to the luminaire grid interior.
  • the louvre blades 3 used in the exemplary embodiment shown are of approximately V-shaped cross section, the V-legs 4 not running in a straight line but with a slight external curvature.
  • the design of the external reflectors 2 and the louvre 3 are known per se, as shown for example in DE-PS 30 05 762.
  • the grid lamellae 3 have on their V-legs 4 two spring-elastic latching tongues 6 projecting outwards from the cross-sectional contour of the grid lamellae 3 and pointing in opposite directions.
  • These locking tongues 6 are formed as stamped stampings on the grid lamellae 3.
  • the free ends of the latching tongues 6 point in the direction of the mounted external reflectors 2, so that in the mounted state of the luminaire grid 1 according to the invention Latching tongues 6 rest with their free ends on the outside of the outer reflectors 2. Furthermore, it can be seen in FIG.
  • the louvre slats 3 have a step-shaped cutout 9 at the transition from their upper edge 7 to their transverse edge 8.
  • This step-shaped cutout 9 has a stop edge 11 which runs inclined to the upper edge 7 in accordance with the outer reflector contour and a leading edge 12 which slopes down to the transverse edge 8.
  • the falling leading edge 12 makes it easier to carry out a tilting movement which is required for the assembly of the outer reflectors 2, which is carried out in an automated assembly is required.
  • this also facilitates the insertion of the louvre slats into the external reflectors 2.
  • the louvres 3 have in their lower edge 13 immediately behind their transverse edge 8 inwardly offset holding cutouts 14 for receiving the external reflectors 2.
  • the position of the holding cutouts 14 results from the intersection of the extension of the stop edge 11 with the lower edge 13.
  • the width of the holding cutouts 14 is approximately equal to the thickness of the wall of the outer reflectors 2, and their inclination corresponds approximately to that of the mounted outer reflector. Since the locking tongues 6 rest with their free ends on the outer wall of the outer reflectors 2, their contact edge 16 is also inclined in accordance with the inclination of the outer reflectors.
  • the vertical distance between the contact edge 16 and the extension of the stop edge 11 corresponds to the wall thickness of the external reflectors 2.
  • cutouts 17 which serve to receive the louvre slats 3.
  • These cutouts 17 have outwardly curved, lateral edges 18 against which the V-legs 4 of the louvre blades 3 rest in the inserted state, so that their curvature is given by the contour of the V-legs 14.
  • the side edges 18 are on hers lower end connected by a horizontal bottom edge 19, the length of which corresponds approximately to twice the wall thickness of the V-leg 4. At their upper end, the side edges 18 are separated from one another by a projection 21 projecting into the cutout 17.
  • the projection 21 forms guide slots 22 with the side edges 18.
  • the louvres 3 running with their V-legs 4 in the guide slots 22 are pressed apart, so that they are in contact with the side edges 18.
  • the height h see FIG. 2, ie the vertical distance of the upper end of the guide slots 22 from the lower edge 19, corresponds to the vertical distance a of the inner end of the holding cutouts 14 from the intersection of the stop edge 11 and the leading edge 12.
  • the width of the guide slots 22 tapers towards the closed slot end approximately to the material thickness of the V-legs 4.
  • the luminaire grid 1 according to the invention is expediently made of aluminum.
  • the luminaire grid 1 is expediently installed in such a way that the two external reflectors 2 are arranged in such a way that the cutouts 17 run in a vertical plane and are at a distance which corresponds to the distance when the luminaire grid is fully assembled.
  • the louvres 3 with their holding cutouts 14 are then inserted into the cutouts 17 of the external reflectors 2 in the region of the lower edges 19, so that prepositioning has thus taken place.
  • the outer reflectors 2 are then pivoted toward one another, being moved over the latching tongues 6 until they abut the stop edge 11.
  • FIGS. 5 to 8 A further exemplary embodiment of a luminaire grid according to the invention is shown in FIGS. 5 to 8.
  • the louvres 3 have a straight strip-shaped blank.
  • the cutouts 17 are correspondingly slit-shaped and have somewhat larger dimensions with respect to their width and height compared to the louvre blades 3.
  • the grid lamellae 3 have at least two latching tongues 6 offset in their vertical spacing from one another. These locking tongues 6 each point in opposite directions.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
EP89116331A 1988-09-06 1989-09-05 Grille pour luminaire Withdrawn EP0358155A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8811249U DE8811249U1 (fr) 1988-09-06 1988-09-06
DE8811249U 1988-09-06

Publications (1)

Publication Number Publication Date
EP0358155A1 true EP0358155A1 (fr) 1990-03-14

Family

ID=6827615

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89116331A Withdrawn EP0358155A1 (fr) 1988-09-06 1989-09-05 Grille pour luminaire

Country Status (2)

Country Link
EP (1) EP0358155A1 (fr)
DE (1) DE8811249U1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4432931A1 (de) * 1994-09-15 1996-03-21 Siemens Ag Leuchtenraster

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3932935A1 (de) * 1989-10-03 1991-04-11 Zumtobel Ag Leuchtenraster

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007511A1 (fr) * 1978-07-27 1980-02-06 Siemens Aktiengesellschaft Ecran à lamelles
EP0034354A1 (fr) * 1980-02-15 1981-08-26 Siemens Aktiengesellschaft Grille-écran avec réflecteurs latéraux incurvés
DE3239692A1 (de) * 1982-10-27 1984-05-03 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Leuchtenraster
DE8508740U1 (de) * 1985-03-23 1985-05-15 Zumtobel Ag, Dornbirn Raster für Leuchtstofflampenleuchten

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0007511A1 (fr) * 1978-07-27 1980-02-06 Siemens Aktiengesellschaft Ecran à lamelles
EP0034354A1 (fr) * 1980-02-15 1981-08-26 Siemens Aktiengesellschaft Grille-écran avec réflecteurs latéraux incurvés
DE3239692A1 (de) * 1982-10-27 1984-05-03 Trilux-Lenze Gmbh + Co Kg, 5760 Arnsberg Leuchtenraster
DE8508740U1 (de) * 1985-03-23 1985-05-15 Zumtobel Ag, Dornbirn Raster für Leuchtstofflampenleuchten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4432931A1 (de) * 1994-09-15 1996-03-21 Siemens Ag Leuchtenraster

Also Published As

Publication number Publication date
DE8811249U1 (fr) 1988-10-20

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