EP1519103A1 - Luminaire comprenant un tube fluorescent - Google Patents

Luminaire comprenant un tube fluorescent Download PDF

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Publication number
EP1519103A1
EP1519103A1 EP04022846A EP04022846A EP1519103A1 EP 1519103 A1 EP1519103 A1 EP 1519103A1 EP 04022846 A EP04022846 A EP 04022846A EP 04022846 A EP04022846 A EP 04022846A EP 1519103 A1 EP1519103 A1 EP 1519103A1
Authority
EP
European Patent Office
Prior art keywords
lamp
reflector
luminaire according
light
luminaire
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
EP04022846A
Other languages
German (de)
English (en)
Other versions
EP1519103B1 (fr
Inventor
Simona Loga
Georg Kempter
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 EP1519103A1 publication Critical patent/EP1519103A1/fr
Application granted granted Critical
Publication of EP1519103B1 publication Critical patent/EP1519103B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • 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
    • 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
    • F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
    • F21V11/14—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures with many small apertures
    • 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
    • F21V17/104—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 using feather joints, e.g. tongues and grooves, with or without friction
    • 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
    • F21V17/18—Latch-type fastening, e.g. with rotary action
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/402—Lighting for industrial, commercial, recreational or military use for working places
    • 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 present invention relates to a luminaire with a tubular Gas discharge lamp and a concave curved reflector, in front of both Side of the lamp light influencing elements are arranged.
  • a generic lamp is known for example from DE 100 06 410 A1 of Applicant known and will be explained below with reference to FIG. 3 briefly.
  • the individual elements of the lamp 100 are within a box-shaped Luminaire housing 107 arranged, which when mounting the lamp in the ceiling a room to be illuminated is sunk.
  • the light source is a rod-shaped Gas discharge lamp 101, under or - seen in the direction of radiation - in front of the one consisting of side reflectors and cross blades existing grid 106 is arranged. Of the Most of the light emitted by the lamp 101 becomes light through this grid 106 emitted downwards.
  • the gas discharge lamp 101 is further characterized by a concave curved reflector 102 spans, the side wing substantially next to the lamp 101st are arranged.
  • a diffuser 103 is arranged in common with the reflector 102 two laterally adjacent to the lamp 101 arranged so-called Light chambers 104 includes.
  • the diffuser 103 and the reflector 102 run each at their ends remote from the lamp 101 together.
  • a portion of the light emitted by the lamp 101 is the light with the Reference numeral 105 provided so-called light entry surfaces in the two Light chambers 104 coupled, reflected on the reflector 102 and on the Diffuser 103 radiated down.
  • the lighting grid 106 surrounding area of the luminaire 100 also slightly lightened, creating a visual attractive lighting effect is achieved.
  • the special embodiment of Light chambers 104 has the consequence that the desired optical effect already is achieved at a very low height or depth of the lamp housing 107.
  • the ratio of the width a of a light chamber 104 to the height b of the light entrance surface 105 in the range of about 4: 1.
  • the diffuser 103 is integrally formed and forms a self-supporting plastic part.
  • the plastic part is concavely curved in its two side areas and has a central kink which defines the curved side areas connects to each other and surrounds the lamp 101 in its upper area.
  • the Side regions of the buckling thereby form the light entry surfaces 105 for the two light chambers 104.
  • Such a plastic part is made for example Polymethyl methacrylate (PMMA) manufactured by injection molding.
  • the one-piece design of the diffuser is considered to be disadvantageous, as thus the possibilities to vary the dimensions of the luminaire, be restricted.
  • the reason for this is that for the production of the one-piece Diffusers a specially prefabricated tool is required, which exclusively for the manufacture of the diffuser in these specific dimensions suitable is. If you want to create a luminaire with different dimensions, then would have this another tool for creating a corresponding Plastic part can be provided with the new dimensions, which, however the manufacturing cost of the lamp would be considerably increased overall.
  • the one-piece diffuser in the illustrated special form can only be made of PMMA.
  • PMMA polycarbonate
  • the diffuser would have to Made of the slightly more resistant material polycarbonate (PC).
  • PC polycarbonate
  • injection molding it is also possible to produce PC plastic parts by injection molding, however would have to use this again its own tool, since polycarbonate has a different shrinkage behavior than PMMA and thus the dimensions after the Cooling of the plastic part would no longer meet the standard.
  • Another problem with the one-piece design of the diffuser 103 consists Further, it causes heat accumulation in the area surrounding the lamp 101 can lead, among other things, to a reduction in luminaire performance.
  • the present invention is therefore based on the object; a lamp of to create the type described above, with the same lighting effects as can be achieved in the known lamp, but the previously mentioned disadvantages are avoided. It should still be a simple Assembly of the various components within the lamp housing allows become.
  • the object is achieved by a luminaire, which has the features of claim 1 has, or solved by a mounting member according to claim 19.
  • the luminaire according to the invention initially has one in a luminaire housing arranged tubular gas discharge lamp, the lamp across and with its side areas - seen from the area to be illuminated - too both sides next to the lamp arranged concave curved reflector as well also arranged on both sides next to the lamp but in front of the reflector Light influencing elements.
  • the reflector and the Light influencing elements by means of at least one mounting element to a Assembly unit, which can be mounted as a whole in the luminaire housing or is removable.
  • the novel Mounting element created a unit whose central elements of the reflector as well as the two lateral light influencing elements - which are themselves in particular can act around diffusers - are and in the whole from the Luminaire housing removed or can be used in this.
  • the assembly of Light overall is thus very simple.
  • the use of the mounting element according to the invention makes it possible to the Diffuser - in contrast to the known luminaire - made of two separate To form components. So it is no longer necessary to have a one-piece, complex plastic part to use, which is why the effort to produce the Lamp is extremely reduced. In particular, there is the possibility that to both To form sides next to the lamp arranged diffuser of flat plates.
  • a novel design of the luminaire makes it possible, instead of diffuser discs other light influencing means - for example Perforated sheets or prismatic disks - as radiating elements for the two To use light chambers. There are thus additional possibilities for Design of the luminaire, thereby opening up further areas of application become.
  • the mounting element according to the invention of which preferably two for formation the unit can be used, preferably designed like a bow and consists of two laterally projecting side arms for holding the reflector as well from a middle region connecting the side arms.
  • the side arms can each be concavely curved and the reflector in the desired Hold the shape or determine the curvature of the reflector.
  • the middle area can two perpendicular to the extension direction of the side arms arranged feet which in the mounted state on both sides next to the Gas discharge lamp are arranged and holding means for holding another Have light influencing elements.
  • These holding means can be in the form of Slots are realized, in which the other light influencing elements can be inserted.
  • the feet of the bow-shaped mounting member further preferably have projections on, in which the arranged next to the lamp light influencing elements can be hung. In their end portions facing away from the lamp are the Light influencing elements then preferably clamped to the reflector, so that the desired assembly of reflector, diffusers and mounting elements is achieved.
  • a further light-influencing element can furthermore be arranged which is in particular a luminaire grid or a perforated plate can act. Also, this element is preferably attached to the underside of Anklappst mounting element, so that no further fastening means required are.
  • Mounting element 10 consists of a central region 11, of which two Side arms 12 extend laterally.
  • the side arms 12 are slightly concave curved and have at their ends in each case rotatable latching wings 13 which are for latching are provided with the reflector.
  • the central region 11 consists of two perpendicular to the extension direction of the Side arms 12 arranged feet 14, the latching hooks at their lower end portions or projections 16 for holding the light chambers final Have light influencing elements.
  • the feet 14 are in the assembled state of Assembly arranged on both sides next to the lamp or lamps and further comprise two in the longitudinal direction of the feet extending slit 15, in which additional light influencing elements can be inserted. These inserted light influencing elements are then in the mounted State in the transition region from the light sources to the light chambers and thus influence the light emitted via the light chambers.
  • Preferably 15 color filters are inserted into the slots, whereby the two Light chambers in a compared to the directly emitted light of the lamps changed hue appear.
  • a fastening tab 17th provided with the help of the mounting element 10 and thus the entire from the Mounting elements, the reflector and the light influencing elements existing Assembly can be anchored in a luminaire housing.
  • FIG. 2 the Inventive lamp 1 in its entirety shows.
  • a recessed ceiling light is shown, whose elements are in a box-shaped Luminaire housing 20 are arranged, which by means of - not shown - Mounting means in the ceiling of a room to be illuminated is sunk.
  • the light source is a gas discharge lamp 2, under the one from side reflectors and transverse blades existing light grid 6 is arranged.
  • a gas discharge lamp 2 under the one from side reflectors and transverse blades existing light grid 6 is arranged.
  • known lamp is a major part of the lamp of the first - which is preferably a fluorescent lamp - delivered Light emitted down the grid 6 down, taking the structures and Dimensions of the reflectors and fins are chosen such that this after down radiated light to a certain degree is cross-faded.
  • the Lamp according to the invention is thus in particular also for the illumination of rooms suitable with VDU workstations, as glare effects on screen surfaces and for persons present in the room as far as possible.
  • the illustrated grid 6 could also be a perforated plate, which For example, with films deposited, or other optical elements used be, for example, diffusers or prismatic structures. It also exists Of course, the possibility of the lamp 1 with several Equip gas discharge lamps.
  • the Light chambers 5 are first formed by a reflector 3, the middle Area of the lamp 1 with the lamp 2 overlaps and with his two Side areas - viewed from the area to be illuminated - next to the lamp 1 is arranged.
  • each Diffuser plate 4 is arranged, wherein the reflector 3 and the two diffuser plates 4th converge at the remote from the lamp 2 ends each and thus the Include light chambers 5.
  • the light entry surfaces for the two light chambers 5 are each bounded by the upper edges of the grid 6 and the reflector 3. Since the diffuser plates 4 each up to the top of the corresponding Side wall of the grid 6 out, it is avoided that above the Grid arranged lamp 2 viewed directly from the side can and thus dazzle.
  • the arrangement and mounting of the reflector 3 and the diffusers 4 in the illustrated manner takes place primarily by two longitudinally of the lamp. 2 arranged distributed mounting elements 10.
  • the mounting elements 10 pass through in each case two arranged in the reflector 3 slots such that they with their Side arms 12 above the reflector 3 and with their feet 14 below the Reflectors 3 are arranged.
  • An attachment of the reflector 3 to the Mounting elements 10 takes place with the aid of the latching wings 13, the additional locking slots pass through in the reflector 3 and after twisting the same with this lock.
  • the formation of the unit is thus a very simple assembly or Disassembly of the lamp 1 allows.
  • the Luminaire housing 20 After mounting the unit in the Luminaire housing 20 are arranged on both sides of the lamp 2 Light chambers 5 formed over which a part of the light emitted from the lamp 2 is discharged laterally.
  • the transition of the light rays from the area with the Lamp 2 in the lateral light chambers 5 is initially unhindered, there - apart from the feet 14 of the mounting elements 10 no further elements are arranged next to the lamp 2.
  • there is a possibility in the Slots of the feet 14 of the mounting elements 10 to insert elongated color filter, so the light passing into the light chambers 5 is changed in color.
  • Luminous grid 6 surrounded area thus appears in a different hue, whereby attractive lighting effects can be achieved. Even with However, inserted color filters is not airtight completion of the lamp. 2 achieved area, so that still compared to the known In Figure 3 a better heat exchange is achieved and thus losses in the luminous power can be reduced.
  • Both diffusers 4 can be made of plastic plates that are not more must be produced by injection molding. This can be done without additional cost of lighting realized in different dimensions Be as cutting out of plastic sheets in the desired sizes is much easier to perform.
  • the diffuser plates can now optionally made of PMMA or PC. Alternatively, it exists but also the possibility of replacing diffuser discs with others Light influencing elements, such as prismatic disks or perforated plates to use.
  • a luminaire is thus created by the present invention, which in terms of their lighting properties comparable to the previous known light is.
  • the appearance of the present lamp is similar essentially the already known lamp, but by the present Invention, the production is significantly simplified and made cheaper.
  • the assembly or disassembly of the lamp by the inventive unit designed particularly simple and elegant.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP04022846A 2003-09-25 2004-09-24 Luminaire comprenant un tube fluorescent Active EP1519103B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10344618 2003-09-25
DE10344618A DE10344618A1 (de) 2003-09-25 2003-09-25 Leuchte mit rohrförmiger Gasentladungslampe

Publications (2)

Publication Number Publication Date
EP1519103A1 true EP1519103A1 (fr) 2005-03-30
EP1519103B1 EP1519103B1 (fr) 2006-11-15

Family

ID=34177958

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04022846A Active EP1519103B1 (fr) 2003-09-25 2004-09-24 Luminaire comprenant un tube fluorescent

Country Status (3)

Country Link
EP (1) EP1519103B1 (fr)
AT (1) ATE345468T1 (fr)
DE (2) DE10344618A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2431656A1 (fr) * 2010-09-16 2012-03-21 LG Innotek Co., Ltd. Dispositif d'éclairage
EP2732198A2 (fr) * 2011-07-15 2014-05-21 LG Innotek Co., Ltd. Dispositif d'éclairage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998029683A1 (fr) * 1996-12-26 1998-07-09 Heiko Hinrichs Systeme d'eclairage pour interieurs
DE10006410A1 (de) 2000-02-14 2001-08-16 Zumtobel Staff Gmbh Leuchte
WO2003071182A1 (fr) * 2002-02-21 2003-08-28 Koninklijke Philips Electronics N.V. Luminaire et procede de reparation d'un luminaire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998029683A1 (fr) * 1996-12-26 1998-07-09 Heiko Hinrichs Systeme d'eclairage pour interieurs
DE10006410A1 (de) 2000-02-14 2001-08-16 Zumtobel Staff Gmbh Leuchte
WO2003071182A1 (fr) * 2002-02-21 2003-08-28 Koninklijke Philips Electronics N.V. Luminaire et procede de reparation d'un luminaire

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2431656A1 (fr) * 2010-09-16 2012-03-21 LG Innotek Co., Ltd. Dispositif d'éclairage
US8220955B2 (en) 2010-09-16 2012-07-17 Lg Innotek Co., Ltd. Lighting device
US8398259B2 (en) 2010-09-16 2013-03-19 Lg Innotek Co., Ltd. Lighting device
EP2636945A2 (fr) 2010-09-16 2013-09-11 LG Innotek Co., Ltd. Dispositif d'éclairage
EP2636945A3 (fr) * 2010-09-16 2014-07-02 LG Innotek Co., Ltd. Dispositif d'éclairage
CN104197212A (zh) * 2010-09-16 2014-12-10 Lg伊诺特有限公司 照明装置
CN104197212B (zh) * 2010-09-16 2017-01-18 Lg伊诺特有限公司 照明装置
EP2732198A2 (fr) * 2011-07-15 2014-05-21 LG Innotek Co., Ltd. Dispositif d'éclairage
EP2732198A4 (fr) * 2011-07-15 2015-04-01 Lg Innotek Co Ltd Dispositif d'éclairage
US9353931B2 (en) 2011-07-15 2016-05-31 Lg Innotek Co., Ltd. Lighting device
EP3121507A1 (fr) * 2011-07-15 2017-01-25 LG Innotek Co., Ltd. Dispositif d'éclairage
US9909736B2 (en) 2011-07-15 2018-03-06 Lg Innotek Co., Ltd. Lighting device

Also Published As

Publication number Publication date
ATE345468T1 (de) 2006-12-15
EP1519103B1 (fr) 2006-11-15
DE502004001993D1 (de) 2006-12-28
DE10344618A1 (de) 2005-05-04

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