EP1504216B1 - Paralume pourvu de reflecteurs lateraux a double paroi - Google Patents

Paralume pourvu de reflecteurs lateraux a double paroi Download PDF

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Publication number
EP1504216B1
EP1504216B1 EP03725035A EP03725035A EP1504216B1 EP 1504216 B1 EP1504216 B1 EP 1504216B1 EP 03725035 A EP03725035 A EP 03725035A EP 03725035 A EP03725035 A EP 03725035A EP 1504216 B1 EP1504216 B1 EP 1504216B1
Authority
EP
European Patent Office
Prior art keywords
luminaire
wall
luminaire louvre
louvre
reflectors
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.)
Expired - Lifetime
Application number
EP03725035A
Other languages
German (de)
English (en)
Other versions
EP1504216A1 (fr
Inventor
Reinhard Feistmantl
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 Lighting GmbH Austria
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 Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP1504216A1 publication Critical patent/EP1504216A1/fr
Application granted granted Critical
Publication of EP1504216B1 publication Critical patent/EP1504216B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • 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
    • 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

Definitions

  • the present invention relates to a luminaire grid for an elongated luminaire whose side reflectors each have an inner wall and an outer wall.
  • a standard luminaire grid consists of two elongated side reflectors and a plurality of transversely arranged transverse reflectors, the so-called.
  • Cross lamellae The transverse lamellae are fastened with their end faces in each case to the side reflectors, which takes place, for example, by latching.
  • the side reflectors have corresponding openings, in which engage parts of the end faces of the slats.
  • a lamp is sold under the name RTX, in which the openings of the side reflectors and the end portions of the engaging therein cross blades are kept deliberately visible. This gives the lamp a special look with a technical character.
  • a side reflector is formed by two separate parts, which form the inner and outer walls and engage each other lockingly on their longitudinal sides.
  • Such a structure which is also known from DE 37 04 501 A1, is relatively expensive and requires an additional step in the assembly of the grid.
  • Double-walled side reflectors for lamps are also known from DE 88 01 786.9 and CH 673 047 A5.
  • DE 88 01 786.9 describes a linear luminaire, which is intended for use in clean rooms.
  • Below the light source in this case a so-called.
  • Mirror housing is provided, the side regions each have an inner wall used as a reflector surface and an outer wall, which merge into one another at its end facing away from the light source.
  • the mirror housing is connected via separate latching devices, which are arranged on end sides of the mirror housing, with a support element of the lamp.
  • the reflector provided for light emission is designed with double walls with inner and outer walls merging into one another.
  • the outer walls are here extended upward and structured at their ends, that the reflector can be hung in a grid of several longitudinal and transverse beams.
  • the present invention is therefore an object of the invention to provide a light grid with double-walled side reflectors, which can be assembled in a simple manner and attached to a lamp.
  • the problem is solved by a luminaire grid, which has the features of claim 1.
  • the luminaire grid according to the invention initially again consists of two elongated side reflectors and a plurality of transverse lamellae, the side reflectors each having an inner wall and an outer wall.
  • at least one clip element is now provided, which overlaps and holds adjacent edge regions of the inner and outer walls of a side reflector and which also has attachment means for attaching the luminaire grid to a luminaire.
  • the inner and outer walls of a side reflector preferably merge into one another in one piece above.
  • a side reflector is thus no longer formed from two separate parts that need to be assembled. Instead, a single correspondingly shaped sheet metal part is used, which is brought into a substantially V-like structure.
  • the stability of the side reflectors is increased, on the other hand, the structure and installation of the luminaire grid is simplified.
  • the integral transition region - seen in cross-section of the luminaire grid - preferably located at the opposite end of the lamp of the inner and outer walls.
  • a side reflector is then first prefabricated in a form in which the later inner and outer walls are still V-shaped apart.
  • the transverse lamellae can be attached by hand assembly to the inner wall.
  • the two walls are then pressed against each other, so that they form at their opposite ends of the transition region, the adjacent edge regions.
  • the clip element which overlaps these edge regions, the inner and outer walls can then be held in the appropriate form and at the same time the luminaire grid can be attached to a luminaire.
  • the clamping element is formed substantially U-shaped, wherein the fastening means are formed by a projecting from the U-shaped contour locking lug.
  • a particularly preferred structure of the clamping element is that it has a first side wall, in which at least one first recess is provided.
  • the clamping element has a second side wall, which is aligned in a first section towards the first side wall and bent away in a second section from the first side wall, wherein in the region of the bending edge between the first and the second section at least one further recess is provided, which has a pointed approach, which protrudes in continuation of the alignment of the second portion in the region of the first recess of the first side wall.
  • two such clip members are provided to hold together the inner and outer walls of a side reflector.
  • the transverse lamellae may in particular be formed integrally and in cross-section approximately V-shaped, wherein on their end faces in each case tabs are formed, which have cam-like projections and engage in correspondingly shaped recesses in the inner walls.
  • the recesses of the inner walls of the side reflectors then have approximately the shape of an isosceles triangle, wherein the recesses each at the end of the the same length triangular legs are continued as a slot and the upper edges of the tabs of the cross blades are kept precisely in these slots.
  • V-shaped cross blades it is also possible to form them from a metal strip ribbed on both sides.
  • the present invention also relates to a clip element for a luminaire grid, which consists of two elongated side reflectors and a plurality of cross blades and the side reflectors each having an inner wall and an outer wall, wherein the clip element according to the invention is adapted to overlap adjacent edge portions of the inner and outer walls of the side reflector and hold together and further comprises fastening means for attaching the lighting grid to a lamp.
  • the basic framework of the elongated luminaire grid 1 illustrated in FIG. 1 forms two elongated side reflectors 2, which are connected to one another via a series of transverse laminations 10. At its two ends, the grid 1 of two end walls completed, however, their representation has been omitted to better explain the arrangement of the cross blades 10 in the present drawing.
  • the side reflectors 2 are each formed double-walled with an inner wall 3 and an outer wall 4, wherein the transverse lamellae 10 are latched with their Stim Suiteen in each case with the two inner walls 3 of the side reflectors 2.
  • a cavity 6 is formed, in which engage the arranged on the end faces of the cross blades 10 mounting tabs.
  • the special feature of the lighting grid according to the invention consists in the integral nature of the side reflectors 2. These consist of a single sheet metal part, which has been bent to the illustrated V-shaped structure. At their ends which are opposite the one-piece transition 5 of the V-shape, the inner and outer walls 3 and 4 respectively have edge regions 3a and 4a lying against one another. By one of these edge portions 3a, 4a cross clip element 15, the two walls 3 and 4 of a side reflector 2 are held in the illustrated form. The exact configuration of the clip element 15 will be explained later in detail.
  • the cross blades are - seen in section - designed in a known manner V-shaped and closed at its top by so-called. Umbördelept.
  • a correspondingly formed cross-blade 10 is shown in a side view in Fig. 3. At its two end faces, it has two tabs 11, which additionally have a plurality of knob-like projections 12. These projections 12 can be obtained by appropriate free punching.
  • the provided for locking with the cross blades 10 recesses 7 on the inner walls 3 of the side reflectors 2 are shown in Fig. 2.
  • the recesses 7 are formed according to the V-shape of the cross blades - roughly seen - triangular with the tip down.
  • the slots 8 form a guide and a support for the tops of the tabs 11 and have the task of preventing the tabs 11 move at a corresponding pressure inward.
  • the engagement of the transverse lamellae 10 with the side walls 3 is additionally enhanced by the knob-like projections 12 each clawing behind the recesses 7 in the inner walls 3, as e.g. is shown in Fig ..
  • the one-piece nature of the two side reflectors 2 brings with it certain problems in the assembly of the transverse lamellae.
  • it is namely necessary to oppose the mounting pressure of the transverse lamellae a corresponding resistance.
  • This is difficult with a double-walled side reflector in that the counterpressure can not be exerted on the outer side part. This would have the consequence that the outer wall abuts against the end face of the cross-blade utilizatde and prevents their penetration into the opening of the inner wall.
  • the side reflectors are first prefabricated in a form in which they are still V-shaped with a relatively large opening angle.
  • a structure is shown in Fig. 5a.
  • the inner wall 3 and outer wall 4 are at an angle of at least 30 ° apart. This makes it possible, in a manual assembly of the transverse lamellae on the corresponding inner side of the inner wall 3 to exert the counter-pressure until the transverse lamella is engaged in its opening in the inner wall 3. In this way, first all cross blades are mounted one after the other.
  • the clip element shown in FIGS. 6 to 9 is U-shaped or hairpin-shaped in section. It initially has a first straight side wall 16 with two first recesses 16a.
  • the opposing second side wall 17 is divided into a first portion 17 a, which is aligned with the first side wall 16 and a second portion 17 b, which is bent away from the first side wall 16, divided.
  • a bending edge 17e is formed between the first portion 17a and the second portion 17b.
  • two further recesses are provided in the region of the bending edge 17e, each having a pointed projection 17d, which protrudes in continuation of the alignment of the second portion 17b in the region of the first recess 16a of the first side wall 16.
  • the two projections 17d thus effect, in cooperation with the bending edge 17e and the first side wall 16, a clamping fit of the clamping element 15 on the two upper edges 3a, 4b of the side walls 3,4 of the side reflector, as shown in Figures 5b and 5c.
  • a free punching is also provided, is formed by a projecting from the U-shaped contour of the clip element locking lug 17c in the form of a straight projection.
  • this locking lug 17c is used for fastening the luminaire grid 1 to a luminaire housing.
  • the detent 17c may also bent back at its front end and thus formed curved. It is essential that the clamping element 15 consists of a material which is permanently resilient and has a high resistance to deformation, so that a secure attachment of the grid is ensured on the lamp housing.
  • FIG. 10 shows the attachment of the luminaire grid 1 according to the invention to a luminaire housing 20.
  • This has a downwardly open C-shape and can be formed, for example, by a mounting rail of a busbar system.
  • the electronic components of the lamp for example, an electronic ballast 26 and corresponding conductor wires 28 which extend in a Stromleitprofil 27, are arranged inside the housing 20, which is formed essentially of two side walls 21 and a bottom wall 22, the electronic components of the lamp, for example, an electronic ballast 26 and corresponding conductor wires 28 which extend in a Stromleitprofil 27, are arranged.
  • the attachment of the lamp holder 24 is effected by means of two clamping webs 25 which engage with corresponding projections 23 on the inner sides of the side walls 21.
  • the two side walls 21 of the lamp housing 20 also each have an elongated recess 22, in which the locking lugs 17 c of the clip elements 15 can engage.
  • the fully assembled light grid 1 can thus be easily clamped to the underside of the lamp housing 20.
  • the present invention thus provides a luminaire grid which has a smooth outer surface due to the double-walled design of the side reflectors.
  • the grid according to the invention is characterized in particular by its simple and inexpensive construction, with the additional possibility is given to attach the grid in a simple manner to a lamp.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Securing Globes, Refractors, Reflectors Or The Like (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Aerials With Secondary Devices (AREA)
  • Road Signs Or Road Markings (AREA)

Claims (14)

  1. Grille paralume (1) pour une lampe latérale, composée de deux réflecteurs latéraux de forme allongée (2) ainsi que plusieurs lamelles transversales (10), les réflecteurs latéraux (2) présentant chacun une paroi intérieure (3) et une paroi extérieure (4),
    caractérisée par
    au moins un élément de retenue (15) qui chevauche et maintient les sections d'arête (3a, 4a) juxtaposées des parois intérieure et extérieure (3, 4) d'un réflecteur latéral (2) et qui comporte en outre des moyens de fixation (17c) pour fixer la grille paralume (1) à une lampe.
  2. Grille paralume selon la revendication 1,
    caractérisée
    en ce que la paroi intérieure (3) et la paroi extérieure (4) des réflecteurs latéraux (2) se confondent de façon monobloc.
  3. Grille paralume selon la revendication 2,
    caractérisée
    en ce que la jonction solidaire (5) - vue dans la coupe transversale de la grille paralume (1) - se trouve à l'extrémité des parois intérieure et extérieure (3, 4) qui est éloignée de la lampe.
  4. Grille paralume selon la revendication 2 ou 3,
    caractérisée
    en ce que les extrémités opposées à la jonction (5) - vue dans la coupe transversale de la grille paralume (1) - des parois intérieure et extérieure (3, 4) d'un réflecteur latéral (2) sont maintenues ensemble par un élément de retenue (15).
  5. Grille paralume selon l'une quelconque des revendications 1 à 4,
    caractérisée
    en ce que l'élément de retenue (15) est essentiellement conçu en forme de U.
  6. Grille paralume selon la revendication 5,
    caractérisée
    en ce que les moyens de fixation sont formés par un nez d'encliquetage (17c) s'éloignant du contour en forme de U de l'élément de retenue (15).
  7. Grille paralume selon l'une quelconque des revendications précédentes,
    caractérisée
    en ce que l'élément de retenue (15) présente une première paroi latérale (16), dans laquelle est prévu au moins un premier évidement (16a), et en ce que l'élément de retenue (15) présente une deuxième paroi latérale (17) qui, dans une première section (17a), est orientée en direction de la première paroi latérale (16) et, dans une deuxième section (17b), est pliée dans une direction s'éloignant de la première paroi latérale (16),
    au moins un autre évidement étant prévu dans la zone de l'arête de pliage (17e) entre les première et deuxième sections (17a, 17b), évidement qui présente une saillie pointue (17d) qui, dans la continuité de l'orientation de la deuxième section (17b), s'étend dans la zone du premier évidement (16a) de la première paroi latérale (16).
  8. Grille paralume selon l'une quelconque des revendications précédentes,
    caractérisée
    en ce que les sections d'arête juxtaposées (3a, 4a) des parois intérieure et extérieure (3, 4) d'un réflecteur latéral (2) sont à chaque fois maintenues ensemble par deux éléments de retenue (15).
  9. Grille paralume selon l'une quelconque des revendications précédentes,
    caractérisée
    en ce que les lamelles transversales (10) sont chacune fixées aux parois intérieures (3) des deux réflecteurs latéraux (2) avec leurs faces avant.
  10. Grille paralume selon la revendication 9,
    caractérisée
    en ce que les lamelles transversales (10) sont enclenchées dans les encoches (7) affectées des parois intérieures (3) des deux réflecteurs latéraux (2).
  11. Grille paralume selon la revendication 10,
    caractérisée
    en ce que les lamelles transversales (10) sont conçues de façon monobloc et, en coupe transversale, approximativement en forme de V, des pattes (11) pourvues de saillies (12) en forme de téton étant moulées au niveau de leurs faces avant.
  12. Grille paralume selon la revendication 11,
    caractérisée
    en ce que les encoches (7) des parois intérieures (3) des deux réflecteurs latéraux (2) présentent approximativement la forme d'un triangle isocèle,
    les encoches (7) présentant chacune des rainures (8) à l'extrémité des deux côtés égaux et les arêtes supérieures des pattes (11) étant maintenues dans ces rainures avec une grande précision de montage.
  13. Grille paralume selon l'une quelconque des revendications 1 à 10,
    caractérisée
    en ce que les lamelles transversales (10) sont formées à partir d'une bande de tôle nervurée des deux côtés.
  14. Élément de retenue (15) pour une grille paralume (1), qui se compose de deux réflecteurs latéraux de forme allongée (2) ainsi que de plusieurs lamelles transversales (10) et dont les réflecteurs latéraux (2) présentent chacun une paroi intérieure (3) et une paroi extérieure (4),
    l'élément de retenue
    a) étant conçu pour chevaucher et maintenir ensemble les sections d'arête (3a, 4a) juxtaposées des parois intérieure et extérieure (3,4) du réflecteur latéral (2) et, en outre
    b) présentant des moyens de fixation (17c) pour fixer la grille paralume (1) à une lampe.
EP03725035A 2002-05-15 2003-04-15 Paralume pourvu de reflecteurs lateraux a double paroi Expired - Lifetime EP1504216B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10221630A DE10221630A1 (de) 2002-05-15 2002-05-15 Leuchtenraster mit doppelwandigen Seitenreflektoren
DE10221630 2002-05-15
PCT/EP2003/003938 WO2003098101A1 (fr) 2002-05-15 2003-04-15 Paralume pourvu de reflecteurs lateraux a double paroi

Publications (2)

Publication Number Publication Date
EP1504216A1 EP1504216A1 (fr) 2005-02-09
EP1504216B1 true EP1504216B1 (fr) 2006-08-09

Family

ID=29285432

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03725035A Expired - Lifetime EP1504216B1 (fr) 2002-05-15 2003-04-15 Paralume pourvu de reflecteurs lateraux a double paroi

Country Status (7)

Country Link
US (1) US6966672B2 (fr)
EP (1) EP1504216B1 (fr)
AT (1) ATE335961T1 (fr)
AU (1) AU2003227629A1 (fr)
DE (2) DE10221630A1 (fr)
ES (1) ES2271579T3 (fr)
WO (1) WO2003098101A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006017043B4 (de) * 2006-04-11 2015-04-09 Siteco Beleuchtungstechnik Gmbh Verbindungstechnik von Lamellen in Leuchtenrastern
US8155580B2 (en) * 2006-06-23 2012-04-10 Qualcomm Incorporated Methods and apparatus for efficient data distribution to a group of users
DE202009006399U1 (de) * 2009-04-30 2010-09-16 Zumtobel Lighting Gmbh Rasterelement für eine Leuchte
KR200455077Y1 (ko) 2009-11-03 2011-08-16 중앙산업주식회사 측면 플레이트가 구비된 천정용 루버
DE202010015872U1 (de) * 2010-11-25 2011-02-17 Elpro Lichttechnik Gmbh Elektrische Leuchte

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7522065U (de) * 1976-01-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Leuchte mit mehreren Leuchtstofflampen und Raster
US2619583A (en) * 1947-10-21 1952-11-25 Gen Electric Luminaire for elongated tubular lamps
DE3225544A1 (de) * 1982-07-08 1984-01-12 Friedrich 7800 Freiburg Wolff Reflektoranordnung fuer stabfoermige strahlungserzeuger
DE3406447C2 (de) * 1984-02-22 1995-03-16 Christian Bartenbach Abschirmung für eine Leuchte mit stabförmiger Lampe
CH669830A5 (fr) * 1986-03-17 1989-04-14 Peter A Balla
CH673047A5 (en) * 1987-01-27 1990-01-31 Valentin Patentverwertungs Ans Rectangular screen ceiling with fittings for cap lamps - has lighting tubes associated with concave reflectors mfd. of sheet metal and fitted over ceiling joists
DE8801786U1 (de) * 1988-02-11 1988-03-31 Siemens AG, 1000 Berlin und 8000 München Langfeldleuchte für Reinsträume
DE3932935A1 (de) * 1989-10-03 1991-04-11 Zumtobel Ag Leuchtenraster
GB2300471A (en) * 1995-04-03 1996-11-06 Louvre Company Limited The A reflector unit
US5697591A (en) * 1995-04-07 1997-12-16 Cooper; Kenneth R. Ornament holder
DE19620209A1 (de) 1996-05-20 1997-11-27 Zumtobel Licht Leuchte mit einem profilierten Basiskörper als Träger für wenigstens eine Lampe

Also Published As

Publication number Publication date
EP1504216A1 (fr) 2005-02-09
AU2003227629A1 (en) 2003-12-02
DE10221630A1 (de) 2003-11-27
WO2003098101A1 (fr) 2003-11-27
US20050117345A1 (en) 2005-06-02
US6966672B2 (en) 2005-11-22
ES2271579T3 (es) 2007-04-16
DE50304578D1 (de) 2006-09-21
ATE335961T1 (de) 2006-09-15

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