WO2007087947A1 - Lampe allongee dotee d'extremites a section transverSale retrecie - Google Patents

Lampe allongee dotee d'extremites a section transverSale retrecie Download PDF

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Publication number
WO2007087947A1
WO2007087947A1 PCT/EP2007/000041 EP2007000041W WO2007087947A1 WO 2007087947 A1 WO2007087947 A1 WO 2007087947A1 EP 2007000041 W EP2007000041 W EP 2007000041W WO 2007087947 A1 WO2007087947 A1 WO 2007087947A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
housing
longitudinal center
lamp
cross
Prior art date
Application number
PCT/EP2007/000041
Other languages
German (de)
English (en)
Inventor
Wolfgang Gadner
Bernd Walser
Patrik Gassner
Original Assignee
Zumtobel Lighting 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 Zumtobel Lighting Gmbh filed Critical Zumtobel Lighting Gmbh
Priority to KR1020087017303A priority Critical patent/KR101398803B1/ko
Priority to CN200780002992XA priority patent/CN101371072B/zh
Priority to EP07700183A priority patent/EP1979670B1/fr
Publication of WO2007087947A1 publication Critical patent/WO2007087947A1/fr

Links

Classifications

    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/02—Globes; Bowls; Cover glasses characterised by the 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • 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

Definitions

  • the invention relates to a luminaire according to the preamble of claim 1.
  • a lamp of this type is formed with a two-part housing, of which one part is a trough-shaped housing, the fastening elements for attachment to a support, for.
  • the other part is formed by an at least partially transparent cover, which is releasably connected by closure elements with the trough-shaped housing.
  • a lamp can be mechanically and electrically connected, the radiated during operation light emits through the transparent cover for room lighting.
  • the side walls of the housing and / or the cover or the wall of the cover extend in the region of their ridge profile-like parallel to the longitudinal direction of the lamp.
  • a lamp of this type is z.
  • luminaire are used to attach the cover to the trough-shaped housing in principle C-shaped closure elements, which are formed as separate components, and of which engages an end portion of the C-shape with a locking leg in a bag-shaped undercut on the trough-shaped housing, over the Dividing joint between the trough-shaped housing and the cover extends beyond and engages with its other end portion of the C-shape edge of the cover with a tensile stress and thereby compresses the trough-shaped housing and the cover with an elastic clamping voltage.
  • a present luminaire is a typical mass product, on the one hand intended to reduce the wall thicknesses to a required minimum in order to save a material and the other weight.
  • care must be taken to ensure that sufficient stability, in particular of the cover but also of the trough-shaped housing, is achieved.
  • a design, statically and functionally favorable form of the luminaire is desired.
  • the invention is therefore based on the object in a luminaire of the type specified to expand the design possibilities of the shape of the lamp. Furthermore, it is desirable to stabilize at least the cover and preferably also the housing.
  • the cover and preferably also the housing are cambered, such that they have larger cross-sectional dimensions in their central region than in their end regions.
  • the cover, and preferably also the housing receives in each case a cross-sectional size extending over a large part of its length, which deviates from a profiled shape and tapers from the central longitudinal region to the associated end regions.
  • the cover and preferably also the housing both in terms of the required space and functionally, in particular taking into account on the one hand the heat generated in operation in the lamp and on the other with respect to the panel of the lamp a favorable shape.
  • the cover and preferably the housing is substantially stabilized. Therefore, the inventive design makes it possible either to stabilize the lamp or the cover or to reduce the wall of the housing and / or the cover with a sufficient stability, so that material and / or weight can be saved.
  • the inventive design results in a simple and inexpensive producible form for the housing and / or the cover.
  • the shape profile deviating from a profile shape according to the invention can be achieved both when the dimension or width of the housing and / or the cover extending substantially parallel to the dividing or opening plane decreases continuously from the middle region to the ends and / / or the dimension or depth extending substantially perpendicular to the split plane decreases continuously from the middle region to the ends.
  • a particularly advantageous form results when the dimension extending substantially parallel to the split or opening plane decreases more than the dimension substantially perpendicular to the split plane.
  • the light guide ribs it is further advantageous to form the light guide ribs so that over the length of the lamp or cover, a substantially same photometric effect is achieved. This can be achieved if the light guide ribs z. B. extend along the lamp extending and angularly offset planes, which are all in a straight and also longitudinal common cut line.
  • the Lichtleitrippen may have different cross-sectional shapes to z. B. in lateral and lower-side peripheral areas to achieve a different light emission.
  • FIG. 1 shows a lamp according to the invention in a side view.
  • Figure 2 shows the lamp in the bottom view.
  • FIG. 3 shows a cover of the luminaire in a perspective plan view
  • Fig. 4 the left half of the lamp in vertical cross section and in enlarged
  • FIG. 5 shows the central cross-section V-V of the cover in FIG. 2;
  • FIG. 6 shows the cross-section VI-VI of the cover in FIG. 2;
  • Fig. 7 shows the cover in perspective cross-section.
  • the main parts of the luminaire designated in FIG. 1 in their entirety by 1 are a wart-shaped housing 2, a cover 4 releasably connected thereto by a plurality of closure devices 3 distributed around the circumference, and a cover 4 in the cavity 5 between the wart-shaped housing 2 and the cover 4 arranged lamp 6, which is connected to at least one mechanical and electrical connection element and held.
  • the cover 4 is dome-shaped. Their wall 4a thus extends in cross-section arcuate or U-shaped.
  • Area of the dividing joint 7 between the wart-shaped housing 2 and the cover 4, is splash-proof.
  • This protection can be formed in the region of the dividing joint 7 by comb-like intermeshing webs 8a, 8b, 8c extending circumferentially in the circumferential direction, which form a labyrinth which provides protection against the penetration of sprayed water. (Fig. 4).
  • the trough-shaped housing wall 2 a branches in its free edge region to two wall webs 8 a, 8 b, which have a transverse distance from one another, which is larger than a wall web 8 c enclosing the wall webs 8 a, 8 b with a transverse spacing, which transverse to the parting line 7 of the z.
  • opposite trough-shaped or dome-shaped cover wall 4a protrudes.
  • the division joint 7 is preferably sealed in addition to the labyrinth by a ring seal having a sealing ring D, the z. B. in the reason between the wall webs 8a, 8b existing circumferential groove 2b is arranged, and presses against the wall web 8c.
  • the sealing ring D is made of soft elastic material, for. B. from a foam tape.
  • the outer wall web 8b of the housing wall 2a is part of a widening step 9 in the free edge region of the housing wall 2a.
  • the housing wall 2a has on its a carrier, for. As a ceiling or wall of a room, facing investment side 1 1 fasteners 12, which serve the attachment to the carrier.
  • the lamp 1 has an elongated and straight-extending shape whose length Ll is a multiple of its width B. Accordingly, the trough-shaped housing 2 and the cover 4 are formed. This consists at least in their housing 2 remote from the dome area or the embodiment of a total of a transparent material, for. As glass or plastic, through which the light of the lamp 6 in the main emission direction S but also radiates to the sides.
  • the housing 2 is made of plastic, in particular of a thermosetting plastic.
  • closure devices 3 The majority of the existing closure devices 3 are arranged and formed mirror-inverted relative to one another or on both sides. It is therefore sufficient if only one closure device 3 is described below in each case.
  • the closure device 3 has a closure element 3a in a generally C-shaped longitudinal cross-sectional shape, whose end portions are designated 3b, 3c, which engages behind the trough-shaped housing 2 with its upper end portion 3b and at the same time into a recess, in particular a pocket 13, engages in the housing 2, which is open to the dividing joint 7 side facing away.
  • the pocket 13 has two mutually opposite pocket walls 13a, 13b, which extend approximately parallel to the longitudinal center plane 15 and is adapted to the cross-sectional size of the end portion 3b with play or taking into account a clamping action.
  • the recess or pocket 13 may extend in the longitudinal direction of the lamp 1 in each case only to a portion or continuously.
  • the closure element 3a extends from the end portion 3b substantially in a matched to the associated outer shape of the housing 2 form the outside of the lamp housing to the cover 4 out, where it extends beyond the dividing joint 7 and out with the associated end portion 3c a widening step 10 engages behind the cover 4, optionally engages in a recess 10a formed thereon.
  • the latter is carried out with an angled or curved inwardly extending, the end portion 3c forming Hintergreifschenkel 3d, which is secured by a securing device 14 in its engaged position.
  • the securing device 14 can be formed thereby; that the Hintergreifschenkel 3d is biased obliquely inwardly against the widening shoulder 10 with respect to the transversely or perpendicular to the dividing joint 7 extending longitudinal median plane 15 of the lamp 1, so that this tension pulls him inward and not outward.
  • This is achieved in that the rear grip of the end portion 3c is arranged at a distance a from the longitudinal center plane 15, which is greater than the distance b of the rear grip of the end portion 3b of the longitudinal center plane 15.
  • Hintergreifschenkel 3d a clamping force 16 whose effective direction includes an acute angle Wl with the longitudinal center plane 15.
  • This clamping force can be based on an elastic bending of the end region 3b and / or the end region 3c and / or the shape of the closure element 3a following the widening step 9 with respect to the step shape.
  • the closure element 3a is formed by a web 3e extending flat over its entire length, the thickness of which is denoted by d.
  • the hook-shaped to the free end portion 3c projecting end portion 3b of the closure element 3a is locked by a locking device 17 in the pocket 13 against accidental withdrawal and thus loosening.
  • a locking device 17 may be based on different efficiencies, e.g. on clamping action.
  • the cover 4, and preferably also the housing 2 each have a convex cross-sectional shape which is visible in a viewing direction transverse to the longitudinal direction. This may be a cigar-shaped form.
  • the cross-sectional size of the lamp 1 or the cross-sectional size of the housing 2 and / or the cover 4 decreases continuously from the longitudinal center or a point in a central longitudinal region to the respectively associated free end region.
  • the substantially parallel to the plane of the opening 4b of the housing 2 and / or the cover 4 extending Width B continuously decrease from the central region to the free end regions, as can be seen in particular from Fig. 2, 3, 6 and 7.
  • the depth T extending at right angles to the plane of the opening 4b of the housing 2 and / or the cover 4 may be continuously reduced from the central area to the respectively associated free end area of the cover 4.
  • this depth T can also be the same size at least in the central longitudinal region L2 of the cover 4 or of the housing 2, as shown in FIG.
  • the longitudinal crest line 4c of the cover 4 extends substantially straight at least in the longitudinal region L2.
  • the cross-sectional size or depth of the housing and / or the cover can be reduced from the longitudinal center or a point in a central end region to the respectively associated end region.
  • the side walls 2a, 4a of the housing 2 and / or the cover 4 are bulged laterally over substantially the entire length L1 or outside a central longitudinal region of the luminaire 1, so that the width B starts from the longitudinal center or from one point in the central longitudinal region L2 to the respective associated end portion of the housing 2 and / or cover 4 continuously reduced towards.
  • the wall 4a may also extend as a whole or at least in the longitudinal region L2 straight and substantially parallel to the contact side 11, so that the depth T of the luminaire 1 or the cover 4 substantially over at least the central longitudinal region L2 Whole length Ll is the same, apart from the curves at the ends of the lamp 1 and the cover. 4
  • the contact side 11 is formed so that it is flat overall or that at least the majority of the existing contact points lie in a plane.
  • the convergence of the width B of the housing 2 and / or the cover 4 and the convergence of the depth T of the cover 4 may be the same or different.
  • the convergence of the width B is greater than the convergence of the depth TD h.
  • the width B decreases towards the free end more than the depth T.
  • the Figs. 1 and 6 shows the section VI-VI in Fig. 2.
  • the width convergence shows due to the difference between the average width B and the width B 1 reduced in section.
  • the cover 4 forms a light-guiding element that the light emitted by the lamp 6 and a reflector R located above and held on the housing 2 in the environment of the cover 4, i. into the room to be illuminated, into it.
  • the aim is to form the cover 4 such that in the presence of the lateral bulges 21 and the bulge 22 on the apex line 4c, the photometric effect is substantially equal over substantially the entire length Ll or L3 substantially. It is desirable that at any point over the length of the bulges 21, 22, the substantially same lighting effect is achieved.
  • a central illumination zone Wl arranged in the ridge region of the cover 4 and two illumination zones W2 adjoining on both sides are present, which extend approximately to the edge of the wall 4a of the cover 4 and are each delimited by an angular range.
  • ribs 23 which are arranged directly next to one another and are triangular in cross-section are also provided, whose lamp 6 or light-coupling surfaces 23a, 23b facing the plane of the opening 4b are flat surfaces.
  • the angles of the coupling surfaces 23 a, 23 b are mirror-symmetrical on both sides of the vertical longitudinal center plane of the lamp 1 and cover 4 and arranged so that in the Lighting zones Wl, W2 the desired light control and light emission is achieved in the room to be illuminated.
  • the row of the light guide ribs 23 extends approximately to the free edge of the wall 4a, which lies in a plane E, which is arranged in the mounted state approximately in the plane of the opening 4b of the housing 2.
  • the ribs 23 in the longitudinal direction of the lamp 1 and the cover 4 are formed so that an equal lighting effect over the length of the wall 4a or in the region of the end walls 4d is achieved.
  • the width e and preferably also the height h of the preferably directly juxtaposed ribs 23 tapers towards the opposite ends of the cover 4, preferably in the ratio of the respective existing convergence of the respective cross-sectional dimension of the dome-shaped cover 4.
  • the ribs 23 are located in relation to one another angle offset planes El, all of which intersect in a longitudinal line 24, which is located in the region between the central axis of the lamp 6 and the associated electrical and mechanical connection means and the edge plane E, preferably in the edge plane E.
  • the ribs 23 can extend into the end walls 4d of the cover 4, as shown in FIGS. 3 and 7, or the ribs 23 can each end in the transition region to the end walls 4b, as shown in the section in FIG. In Fig. 7, the longitudinal edges of the ribs 23 are not shown for reasons of simplification in the left half of the figure.
  • the positions of the closure devices 3 and the webs 3e of the closure elements 3a are adapted to the bulge 21 and bulged outside, so that their visible in Fig. 2 center axes each include an acute angle W3 between them.

Landscapes

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

Abstract

L'invention concerne une lampe (1) et en particulier une lampe pour espace humide, qui présente un boîtier (2) en forme de cuvette allongée, dans lequel sont disposés des raccordements pour au moins une lampe (6), un couvercle transparent (4) qui recouvre l'ouverture du boîtier (2) et de préférence des nervures allongées (23) de guidage de lumière dans le couvercle (4). Pour élargir les possibilités techniques de configuration du couvercle (4), au moins une dimension (B, T) de la section transversale du couvercle (4) diminue progressivement depuis le milieu de sa longueur ou un emplacement situé dans la zone du milieu (L2) de sa longueur à l'extrémité associée du couvercle (4).
PCT/EP2007/000041 2006-02-01 2007-01-04 Lampe allongee dotee d'extremites a section transverSale retrecie WO2007087947A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020087017303A KR101398803B1 (ko) 2006-02-01 2007-01-04 단면이 테이퍼진 단부 부위들을 가지는 긴 조명기구
CN200780002992XA CN101371072B (zh) 2006-02-01 2007-01-04 带有截面渐缩的端部区域的细长照明器
EP07700183A EP1979670B1 (fr) 2006-02-01 2007-01-04 Lampe allongee dotee d'extremites a section transversale retrecie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006004580.7 2006-02-01
DE102006004580A DE102006004580A1 (de) 2006-02-01 2006-02-01 Längliche Leuchte mit im Querschnitt verjüngten Endbereichen

Publications (1)

Publication Number Publication Date
WO2007087947A1 true WO2007087947A1 (fr) 2007-08-09

Family

ID=37775560

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/000041 WO2007087947A1 (fr) 2006-02-01 2007-01-04 Lampe allongee dotee d'extremites a section transverSale retrecie

Country Status (5)

Country Link
EP (1) EP1979670B1 (fr)
KR (1) KR101398803B1 (fr)
CN (1) CN101371072B (fr)
DE (1) DE102006004580A1 (fr)
WO (1) WO2007087947A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150062925A1 (en) * 2013-08-27 2015-03-05 GE Lighting Solutions, LLC Multi-part reflector for outdoor light design

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB672705A (en) * 1949-05-20 1952-05-28 Holophane Ltd Improvements in the manufacture of bowl-type refractors
WO1980002735A1 (fr) * 1979-06-08 1980-12-11 P Ngai Luminaire d'eclairage indirect
EP0242316A2 (fr) * 1986-04-16 1987-10-21 Sociedad Espanola de Construcciones Eléctricas, S.A. Système pour le nettoyage automatique des enveloppes d'appareils d'éclairage
DE3729554A1 (de) * 1984-10-17 1989-03-16 Balla Peter Alexander Beleuchtung fuer geschlossene laengliche raeume
EP0785391A1 (fr) 1996-01-22 1997-07-23 3F Filippi S.r.l. Dispositif de fixation d'un écran d'une lampe de plafond sur sa base

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2081933U (zh) * 1991-01-29 1991-07-31 李东群 带节能罩灯
CN2515524Y (zh) * 2001-05-22 2002-10-09 株式会社严氏贸易 中央光洁的封闭式照明灯
CN2583501Y (zh) * 2002-10-15 2003-10-29 陈武德 灯罩的改良结构

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB672705A (en) * 1949-05-20 1952-05-28 Holophane Ltd Improvements in the manufacture of bowl-type refractors
WO1980002735A1 (fr) * 1979-06-08 1980-12-11 P Ngai Luminaire d'eclairage indirect
DE3729554A1 (de) * 1984-10-17 1989-03-16 Balla Peter Alexander Beleuchtung fuer geschlossene laengliche raeume
EP0242316A2 (fr) * 1986-04-16 1987-10-21 Sociedad Espanola de Construcciones Eléctricas, S.A. Système pour le nettoyage automatique des enveloppes d'appareils d'éclairage
EP0785391A1 (fr) 1996-01-22 1997-07-23 3F Filippi S.r.l. Dispositif de fixation d'un écran d'une lampe de plafond sur sa base

Also Published As

Publication number Publication date
CN101371072A (zh) 2009-02-18
DE102006004580A1 (de) 2007-08-02
EP1979670A1 (fr) 2008-10-15
CN101371072B (zh) 2010-11-03
KR101398803B1 (ko) 2014-07-03
KR20080099242A (ko) 2008-11-12
EP1979670B1 (fr) 2012-06-27

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