EP1359371A1 - Luminaire avec diffuseur - Google Patents

Luminaire avec diffuseur Download PDF

Info

Publication number
EP1359371A1
EP1359371A1 EP03005321A EP03005321A EP1359371A1 EP 1359371 A1 EP1359371 A1 EP 1359371A1 EP 03005321 A EP03005321 A EP 03005321A EP 03005321 A EP03005321 A EP 03005321A EP 1359371 A1 EP1359371 A1 EP 1359371A1
Authority
EP
European Patent Office
Prior art keywords
diffuser
lamp
basket
reflector
wall
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.)
Granted
Application number
EP03005321A
Other languages
German (de)
English (en)
Other versions
EP1359371B1 (fr
Inventor
Thomas Schmölz
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 Staff 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 Staff GmbH filed Critical Zumtobel Staff GmbH
Publication of EP1359371A1 publication Critical patent/EP1359371A1/fr
Application granted granted Critical
Publication of EP1359371B1 publication Critical patent/EP1359371B1/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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • 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
    • 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
    • F21V13/12—Combinations of only three kinds of elements
    • F21V13/14—Combinations of only three kinds of elements the elements being filters or photoluminescent elements, 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • 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
    • 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
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • 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
    • 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 lamp according to the preamble of claim 1.
  • a lamp of this type is described in DE 100 06 410 A.
  • a lamp chamber accommodating the gas discharge lamp limited to the area to be illuminated by a diffuser basket. It is the purpose of the diffuser basket to protect the lamp chamber on the one hand and both against damage as well as against dirt, and on the other hand that of the Diffuse lamp emitted light and thereby an at least cross-effective To cause glare, so that glare for people who are in the stop, prevent or prevent illuminating area or room from a normal viewing angle is at least diminished.
  • the optics or diffuser basket can consist of an outer grille, the inside with a translucent material, e.g. B. made of plastic.
  • the latter has the Task to prevent insects, especially flies, from entering the diffuser basket can penetrate.
  • the invention has for its object in a lamp of the type specified Way to avoid or reduce heat build-up.
  • the diffuser basket has on at least one side the lamp chamber at least one air inlet opening, the diffuser basket opposite wall of the lamp chamber at least one Has air outlet opening.
  • This configuration enables a reduction in Heat build-up in the lamp chamber due to self-adjusting Airflow with which the heat in the lamp chamber is dissipated upwards becomes. The airflow is created by a chimney effect. It turned out to be surprisingly found that the efficiency of the in the lamp chamber located lamp can be improved more if the air inlet opening is arranged laterally in the diffuser basket instead of - as one should assume - below.
  • This Knowledge also complies with the endeavor to be uniform Elements that interfere with light radiation, such as the air inlet opening, should not be in the to arrange the lower area, especially in the bottom of the diffuser basket.
  • the air inlet opening is so in connection with the perforated plate or wire mesh designed and arranged that insects continue to enter the Diffuser basket is largely prevented.
  • the object of the invention is also achieved by a lamp, which according to claim 5 is trained.
  • This lamp is also based on a state of the art, which in DE 100 06 410 A is described.
  • This lamp has a lamp chamber, at least one socket provided with the lamp chamber for at least one in this tubular gas discharge lamp to be used, at least one to the side of the Lamp to be used arranged reflector, one - of the one to be illuminated Area seen - in front of / each reflector arranged diffuser disc partially translucent material and between the lamp to be used and the space enclosed by the reflector and the diffuser disc Diffuser partition on.
  • the solution is based on a luminaire designed in this way that the Light radiation and thus also infrared radiation (heat) as far as possible should be increased. So far, the at least partially scattering reflector and the partially translucent material of the scattering partition wall part of the light absorbed and converted into heat or reduced infrared radiation.
  • the diffuser material used so far consists of PMMA (polymethyl methacrylate), in which small bodies are distributed (e.g., to achieve the diffuser effect) Vitreous bodies) that have a higher melting point than the rest of the material.
  • PMMA polymethyl methacrylate
  • Such a diffuser material still has a white content of approx. 7%.
  • a diffuser material is now used in accordance with the invention proposal should be completely or almost completely free of scattering deposits , it means that the diffuser material is not vitreous or the like should contain.
  • the invention proposal aimed at an improved heat radiation can with the combined better ventilation of the lamp chamber proposed invention become.
  • the drawing shows a lamp according to the invention in vertical section.
  • the main parts of the lamp designated in its entirety by 1, are hood-shaped Housing 2 with a ceiling wall 2a and one from the edge down extending peripheral wall 2b, which delimits a housing opening 3 on the underside.
  • the lamp 1 or the housing 2 z.
  • B. a round or have a rectangular shape, so that two side walls 2c, 2d each other are opposite.
  • At least one gas discharge lamp 5 is provided as the light source, which can be tubular, as is common. With one straight extending lamp tube 5, the lamp 1 can be one in the longitudinal direction of the tube have an elongated shape. To hold the gas discharge lamp 5 is on one or are only at two opposite ends of the gas discharge lamp 5 or two hinted versions 6 provided.
  • One or more gas discharge lamps 5 with associated sockets 6 can be used be provided.
  • three lamp tubes 5 are horizontal arranged side by side.
  • the at least one gas discharge lamp 5 is located in the central region of the Housing 2 and in the middle or upper region of a diffuser housing 7, which at Embodiment of an upper diffuser hood 7a and a lower diffuser basket 7b exists.
  • the lower side edge of the basket 7b extends on each side a diffuser disc 8 each to the opposite peripheral wall 2b, wherein it a round lamp can be a ring disc and one square lamp can be two side panels.
  • the disks 8 are inclined toward their peripheral edge, preferably curved in the shape of an arc or a circle, being on or in the vicinity of the lower peripheral edge of the peripheral wall 2b can end.
  • the hood 7a also extends or extends a circular reflector 9 two side reflectors 9 up to the respective opposite peripheral wall 2b.
  • the reflectors 9 preferably also extend inclined or outward arcuate, in particular curved in a circular arc, in the embodiment also to the lower edge of the circumferential wall 2b, one in the fillet Angle 11 on the outer edge of the diffuser discs 8 can end.
  • the up curved curvature of the reflectors 9 is stronger than the curvature of the diffuser discs 8.
  • Between the reflectors 9 and the associated diffuser disks 8 and the intermediate wall 7c of the hood 7a extending therebetween is in each case one Luminaire room 12 with a triangular shape that is flat in vertical cross section.
  • the housing 2 in the peripheral wall 2b or at least in each of the opposite side walls 2c Profile retraction 10, which is preferably in the lower area and the overlap the free edges of the diffuser discs 8 or also of the reflector or reflectors 9 can.
  • the peripheral wall 2b or the side walls 2c may be on their free edges can be stabilized by a protruding flange 10a, which preferably can have the shape of a gutter.
  • the lamp 1 is preferably of flat design, the one in the drawing visible width B is in a ratio of about 4: 1 with respect to its height H.
  • the diffuser housing 7 has a trapezoidal shape Cross-sectional shape so that the partition 7c of the upper hood 7a and the adjoining side walls 7d of the lower basket 7b divergent downwards or extend diagonally.
  • the top wall 7e of the upper hood 7a preferably extends horizontal.
  • the reflectors 9 with one on the Ceiling wall 7e overlying middle wall section 9a by a continuous Wall.
  • the reflector 9 or the reflectors 9 are each by a thin wall, preferably made of metal, in particular sheet metal, the to which reflecting surface facing the illuminating area, preferably to a high degree is reflective, so that the reflection is 100% or almost 100%.
  • the diffuser disks 8, the side wall sections 7c and the top wall 7e can be formed by a common component, which is preferably formed in one piece can.
  • the basket 7b is by a connecting device, not shown, in particular a quick connection or locking device, so with the upper one Hood 7a or the diffuser discs 8 connected to the partition walls 7c Wicker walls, for example, are aligned.
  • the basket 7b consists of a pot-shaped grid 13 or perforated plate, which has a fine mesh and the lamp chamber 14 in the diffuser housing 7 before flies occur or the like protects.
  • the grid 13 thus has the shape of an open top Box or shell, the bottom wall 13a preferably extends flat and whose side walls 13b preferably extend converging upwards and one Include an acute angle W.
  • the grid 13 is inside with a cover 15 made of flat or film-shaped translucent material, preferably made of plastic, which is also the Form of an open top shell with a flat bottom wall 15a and behind has top extending side walls 15b and like the grid alone or with this can be prefabricated.
  • the diffuser housing 7 can with a round lamp as a central body or a square lamp as an elongated body on the ceiling wall 2a and / or on the be opposite end walls 2d attached.
  • Air inlet opening 21 is arranged, which is preferably in the side walls 15b of the Cover 15 is located so that it is covered by the grid 13 and the Lamp chamber 14 remains covered fly-proof.
  • the Air inlet openings 21 only in the opposite side walls 15b arranged mirror-symmetrically with respect to the vertical center plane of the lamp 1 and educated.
  • the air inlet openings 21 are preferably located in the upper one Region of the side walls 15b, and they are formed in particular by the fact that the Sidewalls 15b are dimensioned lower than the sidewalls 13b of the grille 13.
  • a light entry opening 21 in the form of a slot which extends essentially over the entire length of the associated side wall 15b can extend.
  • the side walls 15b are relative to the Side walls 13b are arranged inclined inwards, with the entry opening 21 also as a gap between the upper edge of the side wall 15b and the grid 13 results.
  • This configuration is particularly advantageous if the grid 13 for Increased its stability in the upper region of its side walls 13b not perforated is.
  • one or more air outlet openings 22 are provided in the ceiling wall 7e of the diffuser housing 7 or the continuous reflector 9 in the ceiling wall 7e of the diffuser housing 7 or the continuous reflector 9 in the ceiling wall 7e of the diffuser housing 7 or the continuous reflector 9 in the ceiling wall 7e of the diffuser housing 7 or the continuous reflector 9 in the ceiling wall 7e of the diffuser housing 7 or the continuous reflector 9 in the ceiling wall 7e of the diffuser housing 7 or the continuous reflector 9 .
  • the diffuser discs 8, the upper diffuser basket 7a and the cover 15 can consist of a diffuser material, e.g. B. from PMMA (polymethyl methacrylate), in small white bodies that are distributed to achieve the diffuser effect can have a higher melting point than the diffuser material and z. B. Can be vitreous.
  • a diffuser material e.g. B. from PMMA (polymethyl methacrylate)
  • PMMA polymethyl methacrylate
  • Partitions 7c which extend between the diffuser disks 8 and the reflectors 9 Partitions 7c have no or almost no white particles and therefore none or almost no white part. They can be clear or translucent Material. It is also possible within the scope of the invention Omit side wall sections 7c, so that there are free passages between the Lamp chamber 14 and the laterally adjacent lamp chambers 12 that the light coming from the at least one lamp 5 pass unimpaired can. Especially when a reflector 9 is provided, which is above the basket 7b extends continuously, the ceiling wall 7e can also be omitted.
  • the ceiling wall 7e can consist of a diffuser material with a white component or of the material of the Partitions 7c exist.
  • the ceiling wall 7e on the upper side by a continuous reflector 9 can also be made of clear or transparent translucent material exist or are missing.
  • the upper hood 7a can be a one-piece component.
  • a protective wall 23 can be fastened, which covers the area of the lamp 1 above it protects against heat, and that can also be designed as a reflector.
  • the at least one lamp 5 outgoing light rays 24a diffuse as they pass through the lower basket 7b scattered, whereby the light rays 24b emerging from the cover 15 glare are.
  • the light beams 24c passing through the partition walls 7c turn on reflects the reflection surfaces of the reflectors 9 and appear as light beams 24d through the diffuser discs 8, being diffusely scattered and likewise be dazzled. This results in a light image of the lamp 1, which is in Extends substantially over the entire transverse dimension of the lamp 1 and the The areas surrounding the diffuser basket 7b may be illuminated in a different color.
  • the lamp chamber 14 is replaced by at least one Heated lamp, which is preferably a gas discharge tube and especially a modern thin tube.
  • the in the lamp chamber 14 heated air can pass through the at least one light exit opening 22 in the Ceiling wall 7e and / or in continuous reflectors 9 upwards escape, at least one hole also being arranged in the ceiling wall 2a can, which allows ventilation upwards.
  • the at least one Air inlet opening 21 air is sucked in from the surroundings, which means not only one Air exchange takes place in the lamp chamber 14, but also an effective one Cooling of the at least one gas discharge lamp 5, thereby Performance is increased.
  • Color filter disks 25 By or preferably arranged on the inside on the side walls 7c Color filter disks 25 replacing them may surround the diffuser basket 7b in FIG the selected color of the color filter disk (s) 25 emitted light become.
  • the lamp 1 can have several color filter disks in different Colors can be assigned, which can optionally be selected and exchanged. This applies both to the prefabrication of the lamp 1 and to the user of the to illuminating room-mounted luminaire.
  • the lamp according to the invention is suitable both as a recessed lamp and as Pendant lamp for a ceiling and also as a surface-mounted lamp for a ceiling or wall. in the In the case of a recessed luminaire, it is suitable for installation in an installation opening as well as for installation or for insertion between mounting rails.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • External Artificial Organs (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
EP03005321A 2002-04-12 2003-03-11 Luminaire avec diffuseur Expired - Lifetime EP1359371B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10216249A DE10216249A1 (de) 2002-04-12 2002-04-12 Leuchte mit Diffusor-Korb
DE10216249 2002-04-12

Publications (2)

Publication Number Publication Date
EP1359371A1 true EP1359371A1 (fr) 2003-11-05
EP1359371B1 EP1359371B1 (fr) 2006-05-31

Family

ID=28458767

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03005321A Expired - Lifetime EP1359371B1 (fr) 2002-04-12 2003-03-11 Luminaire avec diffuseur

Country Status (3)

Country Link
EP (1) EP1359371B1 (fr)
AT (1) ATE328240T1 (fr)
DE (2) DE10216249A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1496308A2 (fr) 2003-07-10 2005-01-12 Siteco Beleuchtungstechnik GmbH Lampe d'éclairage intérieur avec un élément réfractif
US7232239B2 (en) 2004-04-10 2007-06-19 Trilux-Lenze Gmbh & Co. Kg Ergonomic ceiling mounted lamp
EP2039983A1 (fr) * 2007-09-20 2009-03-25 RIDI Leuchten GmbH Eclairage
CN102588756A (zh) * 2011-01-13 2012-07-18 旭丽电子(广州)有限公司 灯具装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006047689B4 (de) * 2006-04-12 2017-01-26 Siteco Beleuchtungstechnik Gmbh Leuchte und Lichtbandsystem mit transparentem Leuchtenschirm
DE202006016859U1 (de) * 2006-11-03 2008-03-06 Zumtobel Lighting Gmbh Stimmungsleuchte
DE102009007794B4 (de) * 2009-02-06 2012-03-15 Osram Ag Diffusor
DE102010041478A1 (de) * 2010-09-27 2012-03-29 Zumtobel Lighting Gmbh Anordnung zur gerichteten Lichtabgabe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2267518A1 (en) * 1974-04-11 1975-11-07 Trilux Lenze Gmbh & Co Kg Ceiling light/air conditioner component - with passage for outgoing air, and with light-conducting cover
GB2215447A (en) * 1987-11-06 1989-09-20 Designed Architectural Lightin Lighting installation
EP0538727A1 (fr) * 1991-10-24 1993-04-28 ZUMTOBEL LICHT GmbH Réflecteur pour dispositif d'éclairage
DE19647487A1 (de) * 1996-11-16 1998-05-20 Semperlux Gmbh Anpassung der Oberflächenleuchtdichte von Leuchten-Konturen und Gehäuse-Flächen an die physiologischen Anforderungen
DE10006410A1 (de) * 2000-02-14 2001-08-16 Zumtobel Staff Gmbh Leuchte

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR45475E (fr) * 1934-11-21 1935-09-12 Metaladher Perfectionnements apportés aux réflecteurs

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2267518A1 (en) * 1974-04-11 1975-11-07 Trilux Lenze Gmbh & Co Kg Ceiling light/air conditioner component - with passage for outgoing air, and with light-conducting cover
GB2215447A (en) * 1987-11-06 1989-09-20 Designed Architectural Lightin Lighting installation
EP0538727A1 (fr) * 1991-10-24 1993-04-28 ZUMTOBEL LICHT GmbH Réflecteur pour dispositif d'éclairage
DE19647487A1 (de) * 1996-11-16 1998-05-20 Semperlux Gmbh Anpassung der Oberflächenleuchtdichte von Leuchten-Konturen und Gehäuse-Flächen an die physiologischen Anforderungen
DE10006410A1 (de) * 2000-02-14 2001-08-16 Zumtobel Staff Gmbh Leuchte

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1496308A2 (fr) 2003-07-10 2005-01-12 Siteco Beleuchtungstechnik GmbH Lampe d'éclairage intérieur avec un élément réfractif
EP1496308A3 (fr) * 2003-07-10 2007-10-24 Siteco Beleuchtungstechnik GmbH Lampe d'éclairage intérieur avec un élément réfractif
US7232239B2 (en) 2004-04-10 2007-06-19 Trilux-Lenze Gmbh & Co. Kg Ergonomic ceiling mounted lamp
EP2039983A1 (fr) * 2007-09-20 2009-03-25 RIDI Leuchten GmbH Eclairage
CN102588756A (zh) * 2011-01-13 2012-07-18 旭丽电子(广州)有限公司 灯具装置
CN102588756B (zh) * 2011-01-13 2014-05-07 光宝电子(广州)有限公司 灯具装置

Also Published As

Publication number Publication date
DE10216249A1 (de) 2003-10-23
ATE328240T1 (de) 2006-06-15
EP1359371B1 (fr) 2006-05-31
DE50303542D1 (de) 2006-07-06

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