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WO2012113772A2 - Système d'éclairage - Google Patents

Système d'éclairage Download PDF

Info

Publication number
WO2012113772A2
WO2012113772A2 PCT/EP2012/052904 EP2012052904W WO2012113772A2 WO 2012113772 A2 WO2012113772 A2 WO 2012113772A2 EP 2012052904 W EP2012052904 W EP 2012052904W WO 2012113772 A2 WO2012113772 A2 WO 2012113772A2
Authority
WO
WIPO (PCT)
Prior art keywords
lighting system
support
support body
channels
cover
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.)
Ceased
Application number
PCT/EP2012/052904
Other languages
English (en)
Other versions
WO2012113772A3 (fr
Inventor
Frederic BORGARELLI
Michele MARTINI
Alessio SAGLIOCCO
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.)
Osram GmbH
Original Assignee
Osram 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 Osram GmbH filed Critical Osram GmbH
Publication of WO2012113772A2 publication Critical patent/WO2012113772A2/fr
Publication of WO2012113772A3 publication Critical patent/WO2012113772A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/005—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips for several lighting devices in an end-to-end arrangement, i.e. light tracks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F21S2/005—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/002—Table lamps, e.g. for ambient lighting
    • F21S6/003—Table lamps, e.g. for ambient lighting for task lighting, e.g. for reading or desk work, e.g. angle poise lamps
    • 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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • 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
    • F21V29/75—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with fins or blades having different shapes, thicknesses or spacing
    • 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
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • 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
    • F21S8/03—Lighting devices intended for fixed installation of surface-mounted type
    • F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
    • F21S8/036—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade by means of a rigid support, e.g. bracket or arm
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/10—Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards
    • F21V21/116—Fixing lighting devices to arms or standards
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present description relates to lighting systems.
  • Lighting systems which comprise at least one light source, such as one or more LEDs (Light Emitting Diodes) are known. These modules may require a cooling system in order to ensure the stability of the LEDs over time.
  • LEDs Light Emitting Diodes
  • the document WO 2009/039907 describes a lighting system in which a cylindrical body made of metallic material which comprises a plurality of longitudinal air flow channels is used as a heat dissipator.
  • this document refers to the fact that such a cylindrical body may have an attractive aesthetic appearance such as not to re ⁇ quire an external casing which surrounds the entire lighting system.
  • the object of the invention is to overcome the abovemen- tioned drawbacks.
  • the lighting system may comprise a lighting module, such as an LED module, and a support body.
  • the support body may comprise a plurality of air flow channels or ducts.
  • the support body may comprise a cooling body which is closed on one side by means of a cover and on the other side by means of a support on which the lighting module is mounted.
  • additional elements may be fixed to the lighting system, for example by means of an engaging fit, so that at least one portion of the additional elements projects from the support body.
  • the cover may comprise on its external surface a plurality of seats arranged along an internal cir ⁇ cumference line and the support may comprise a flange on its external surface.
  • the additional elements may comprise at least one first portion configured so as to coop ⁇ erate with one of the seats in the cover and a second portion comprising at least one projection for cooperating with the flange of the support.
  • each additional element may comprise at least one formation which cooperates with one of the channels in the cooling body.
  • an embodiment in the context of this description indicates that a particular configuration, structure or characteristic feature described in relation to the embodiment is included in at least one embodiment. Therefore, phrases such as "in one embodiment", which may occur at vari- ous points in this description, do not necessarily refer to the same embodiment. Moreover, particular forms, structures or characteristic features may be combined in any suitable manner in one or more embodiments.
  • Figures la to lc show different perspective views of a possible embodiment of a modular lighting system 1 according to the present invention.
  • the lighting system 1 com ⁇ prises lighting means 20, such as an LED module comprising at least one LED, and a casing.
  • the casing of the lighting system 1 may be formed by a cooling body 14 comprising in the longitu- dinal direction a plurality of air flow channels or ducts 140.
  • the cooling body 14 comprises an internal body 142 with a tubular shape, i.e. the internal body has a closed cross-section and com- prises axially a first opening and a second opening.
  • the internal body 142 has a substantially cylindrical form. This internal body 142 may be used to support a drive circuit for the LED module 20.
  • the cooling body 14 com ⁇ prises a plurality of walls 146 which extend radially from the external surface of the tubular body 142 and which define together with the surface of the tubular body 142 the longitudinal air flow channels 140.
  • these channels 140 are arranged in an equidistant manner.
  • the cooling body 14 in order to increase the surface area of the cooling body, also comprises an external body 144.
  • the external body 144 in order to allow the air to flow inside the ducts 140, the external body 144 comprises at least one opening for each duct.
  • the external body 144 also has a substantially cylindrical form and comprises radially a plurality of longitudinal incisions.
  • the external body 144 is connected to the internal body 142 by means of the walls 146.
  • the cooling body 14 is formed as one piece, for example by means of an extrusion process.
  • the lighting system 1 comprises a cover 12 which is intended to close the cooling body 14 axi- ally on a first side, i.e. on the top side shown in Figures la to lc.
  • the cover 12 has a disk-like form.
  • this cover 12 may be fixed to the cooling body 14 via suitable fixing means, such as screws.
  • the cool ⁇ ing body 14, for example the walls 146 comprises a plurality of blind holes 148 with an internal thread and the cover 12 comprises through-holes 122 in the corresponding positions.
  • a support 18 is provided for fixing the LED module 20 to the cooling body 14.
  • this support 18 has a first cylindri ⁇ cal portion 18a comprising a cavity inside which the LED mod- ule 20 may be fixed.
  • the LED module 20 is mounted preferably on a printed circuit with a circular cross-section .
  • the support 18 also com ⁇ prises a second cylindrical portion 18b.
  • This second cylin- drical portion 18b has an external diameter which is substantially identical to the internal diameter of the internal body 142 of the cooling body 14 so that the portion 18b of the support 18 may be inserted in the internal body 142 in the manner of a "stopper".
  • the support 18 could also be fixed to the cooling body 14 in any other suitable manner, for example via fixing means, such as screws.
  • the support 18 is made of a material with a high heat dissi ⁇ pation coefficient.
  • the lighting system 1 comprises a re ⁇ flector 22 for focusing the light generated by the LED module 20.
  • the lighting system 1 comprises a transparent cover 24.
  • this cover 24 may be fixed, for example by means of engagement, inside a suitable hollow portion 22a of the reflector 20.
  • the casing of the reflec ⁇ tor 22, the portion 22a of the reflector 22 and the transparent cover 24 also have circular cross-sections.
  • the external body 144 of the cooling body 14 has a length which is greater than the length of the internal body 142 so that a part of the external body 146 covers at least the support 18 and preferably also the re ⁇ flector 22.
  • the external body 144 extends as far as the portion 22a of the casing of the reflector 22.
  • the additional elements 4 are fixed to the lighting system 1 by means of an engaging fit.
  • the cover 12 comprises on its top side a plu ⁇ rality of seats 124, such as cavities or openings, which are arranged along an internal circumference line.
  • the cover 12 comprises a plu ⁇ rality of incisions 124 which extend radially.
  • the portion 18a of the support 18 comprises a flange on the bot ⁇ tom side, i.e. on the side onto which the LED module 20 is fixed .
  • the additional elements 4 instead comprise at least one fastening element or profiled portion 40 for an engaging fit of the additional element 4 on the lighting system 1.
  • the profile 40 has a clip-like form similar to a "square bracket", i.e. the pro ⁇ file comprises a cross-piece or bar 44 comprising, respec- tively, on its end parts, a first portion 42 and a second portion 46 extending laterally.
  • the portion 42 is config ⁇ ured to cooperate with the seats 124 in the cover 12, while the portion 46 is configured to cooperate with the flange of the support 18.
  • the portion 42 has a form complementing the cavity or openings 124 in the cover 12, while the portion 46 comprises a projection for joining together with the flange of the sup- port 18.
  • the additional element 4 is therefore fixed to the flange of the support 18 and not to the reflector 22 or to the transparent cover 24.
  • the reflector 22 comprises a top portion with a cross-section which has a width smaller than the width of the cross-section of the portion 18a of the sup ⁇ port 18 so that the flange on the support 18 is accessible from the outside. Consequently, in order to mount an addi ⁇ tional element 4 on the lighting system 1, the portion 42 is first inserted in one of the incisions 124 and the projection of the portion 46 is then pushed over the flange of the sup ⁇ port 18.
  • the additional elements 4 are fixed along the longitudinal channels, i.e. the seats 124 in the cover 12 are arranged opposite the channels 140 in the cool ⁇ ing body 14.
  • the profile 40 may comprise at least one projection 48 which extends laterally and which cooperates with one of the channels 140 in the cooling body 14 when the additional element 4 is fixed to the lighting system.
  • smaller channels 150 may also be provided inside the channels 140.
  • the additional element 4 forms a support for resting the lighting system 1 on a table T.
  • the additional element 4 comprises the connection profile 40 described above, a base 420 with a flat surface intended to rest on the table T or on another flat surface, and a column 422 which connects the interconnecting profile 40 to the base 420.
  • Figure 3 shows a second possible embodiment of the addi ⁇ tional element 4.
  • the additional element 4 supports an optical element 430, such as a diffuser, a re ⁇ flector or an optical lens, which is arranged along the path of the radiation emitted by the lighting system 1.
  • an optical element 430 such as a diffuser, a re ⁇ flector or an optical lens, which is arranged along the path of the radiation emitted by the lighting system 1.
  • a column 422 which connects the connecting pro ⁇ file 40 to the optical element 430 is provided.
  • Figure 4 shows a third possible embodiment of the addi ⁇ tional element 4.
  • the additional element 4 forms a support for fixing the lighting system 1 to a wall W.
  • the additional element 4 comprises the con ⁇ necting profile 40 described above, a base 440 with a flat surface intended to rest on the wall W or on another flat surface, and a column 422 which connects the interconnecting profile 40 to the base 440.
  • fixing means for fixing the base 440 to the wall W may also be provided.
  • Figure 5 shows a fourth possible embodiment of the addi- tional element 4.
  • the additional element 1 can be used to fix mechanically together several lighting systems 1 by means of a universal fastening system, thus mak ⁇ ing it possible to form a lighting apparatus with configura- tions which can be personalized.
  • the addi ⁇ tional element 4 forms a connection piece for connecting to ⁇ gether two corresponding lighting systems 1.
  • the additional element 4 comprises at least two con ⁇ necting profiles 40a and 40b as described above.
  • the person skilled in the art will appreciate that the appearance and form of the additional elements 4 described above may be adapted to the technical needs of the applica ⁇ tion and/or the specific requirements of the end user. More ⁇ over, the lighting system itself could also have different forms.
  • the cooling body 14 and optionally also the cover 12 and the support 18 may have circular or polygo- nal cross-sections, such as rectangular or square cross- sections .
  • Figures 6a and 6b show a lighting system la with a rectangular cross-section which is connected to a lighting system lb with a circular cross-section.
  • Figure 7 shows how a plurality of lighting sys ⁇ tems 1 may also be connected together so as to form more com ⁇ plex structures.
  • Figure 7 also shows how such a lighting system may be used in combination with conventional electric rails where the lighting system is fixed to an electric rail by means of a hanging wire F.
  • these hanging wires F are fixed via suitable fixing means 450 directly to the additional elements 4.
  • the fastening system described here provides the apparatus with spatial characteristics of structural stability both in the same plane or by expanding the struc ⁇ ture in different planes which may also not be parallel to each other.
  • the fixing points may be rigid and/or hung from surfaces (e.g. walls, ceilings) and/or other structures (e.g. secondary optical systems) .
  • assembly may also be performed only at the fi ⁇ nal destination, which simplifies the transportation logistics, considering the packaging - individual and/or in kit form - both of the single light sources and of the intercon ⁇ necting elements.
  • the basic lighting system may be reused, thus allowing the costs of the apparatus to be minimized, by taking ad- vantage of the low costs for production of predefined compo ⁇ nents .

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Lasers (AREA)

Abstract

La présente invention a trait à un système d'éclairage qui comprend un corps de support (12, 14, 18) destiné à un module d'éclairage (20) comprenant au moins une source lumineuse, lequel corps de support (12, 14, 18) est pourvu d'une surface extérieure dotée d'une pluralité de canaux (140, 150). La source d'éclairage comprend également au moins un élément profilé (4) qui peut être couplé au corps de support (12, 14, 18) et qui fait saillie à partir du corps de support (12, 14, 18) lorsqu'il est couplé au corps de support (12, 14, 18). En particulier, l'élément profilé (4) est doté de formations de mise en prise (48) qui peuvent être insérées à l'intérieur des canaux (140, 150) de la surface extérieure du corps de support (12, 14, 18).
PCT/EP2012/052904 2011-02-25 2012-02-21 Système d'éclairage Ceased WO2012113772A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO2011A000164A IT1404534B1 (it) 2011-02-25 2011-02-25 Sistema di illuminazione.
ITTO2011A000164 2011-02-25

Publications (2)

Publication Number Publication Date
WO2012113772A2 true WO2012113772A2 (fr) 2012-08-30
WO2012113772A3 WO2012113772A3 (fr) 2012-10-26

Family

ID=43976493

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/052904 Ceased WO2012113772A2 (fr) 2011-02-25 2012-02-21 Système d'éclairage

Country Status (2)

Country Link
IT (1) IT1404534B1 (fr)
WO (1) WO2012113772A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2584252A1 (fr) * 2011-10-21 2013-04-24 OSRAM GmbH Système dýéclairage
CN105531557A (zh) * 2013-07-04 2016-04-27 芬兰露米特阵列照明技术有限公司 热传递轮廓件
IT201600108837A1 (it) * 2016-10-27 2018-04-27 Simes Lampada e suo metodo di realizzazione
EP3327333A1 (fr) * 2016-10-27 2018-05-30 Simes S.p.A. Lampe et son procédé de fabrication

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009039907A1 (fr) 2007-09-24 2009-04-02 Ledon Lighting Gmbh Corps de refroidissement et système de refroidissement pour un module de led

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
US7025481B2 (en) * 2003-03-18 2006-04-11 Nexlite Vehicular lighting system
US7226183B2 (en) * 2005-06-28 2007-06-05 Robert D. Galli Flashlight having mating formations for integration with a rail mounting system
NZ542332A (en) * 2005-09-09 2008-05-30 Selecon New Zealand Ltd Improvements relating to lighting
US7572027B2 (en) * 2005-09-15 2009-08-11 Integrated Illumination Systems, Inc. Interconnection arrangement having mortise and tenon connection features
US20080089071A1 (en) * 2006-10-12 2008-04-17 Chin-Wen Wang Lamp structure with adjustable projection angle
WO2009100478A1 (fr) * 2008-02-15 2009-08-20 Ian Lloyd Whalan Appareil et procédés pour dissuader les prédateurs
DE202010011170U1 (de) * 2010-08-07 2010-11-18 Schneider, Wulf, Prof. Modulares LED-Leuchtensystem

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009039907A1 (fr) 2007-09-24 2009-04-02 Ledon Lighting Gmbh Corps de refroidissement et système de refroidissement pour un module de led

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2584252A1 (fr) * 2011-10-21 2013-04-24 OSRAM GmbH Système dýéclairage
US9163809B2 (en) 2011-10-21 2015-10-20 Osram Gmbh Lighting system
CN105531557A (zh) * 2013-07-04 2016-04-27 芬兰露米特阵列照明技术有限公司 热传递轮廓件
US20160178286A1 (en) * 2013-07-04 2016-06-23 Lumitar Array Lighting Technology Finland Ltd Heat Transfer Profile
EP3017260A4 (fr) * 2013-07-04 2016-12-28 Lumitar Array Lighting Tech Finland Ltd Profilé de transfert de chaleur
IT201600108837A1 (it) * 2016-10-27 2018-04-27 Simes Lampada e suo metodo di realizzazione
EP3327333A1 (fr) * 2016-10-27 2018-05-30 Simes S.p.A. Lampe et son procédé de fabrication

Also Published As

Publication number Publication date
WO2012113772A3 (fr) 2012-10-26
ITTO20110164A1 (it) 2012-08-26
IT1404534B1 (it) 2013-11-22

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