EP2392854A2 - Lampe destinée à la production d'un éclairage indirect modifiable - Google Patents

Lampe destinée à la production d'un éclairage indirect modifiable Download PDF

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Publication number
EP2392854A2
EP2392854A2 EP11158591A EP11158591A EP2392854A2 EP 2392854 A2 EP2392854 A2 EP 2392854A2 EP 11158591 A EP11158591 A EP 11158591A EP 11158591 A EP11158591 A EP 11158591A EP 2392854 A2 EP2392854 A2 EP 2392854A2
Authority
EP
European Patent Office
Prior art keywords
side wall
wall portion
light
region
luminaire according
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
EP11158591A
Other languages
German (de)
English (en)
Other versions
EP2392854B1 (fr
EP2392854A3 (fr
Inventor
Matthias Menke
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 Austria
Original Assignee
Zumtobel Lighting GmbH Austria
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP2392854A2 publication Critical patent/EP2392854A2/fr
Publication of EP2392854A3 publication Critical patent/EP2392854A3/fr
Application granted granted Critical
Publication of EP2392854B1 publication Critical patent/EP2392854B1/fr
Not-in-force 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
    • F21S6/00—Lighting devices intended to be free-standing
    • F21S6/005—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting
    • F21S6/007—Lighting devices intended to be free-standing with a lamp housing maintained at a distance from the floor or ground via a support, e.g. standing lamp for ambient lighting for indirect lighting only, e.g. torchiere with reflector bowl directed towards ceiling
    • 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
    • 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
    • F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/507—Cooling arrangements characterised by the adaptation for cooling of specific components of means for protecting lighting devices from damage, e.g. housings
    • 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
    • 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
    • F21V7/0008—Reflectors for light sources providing for indirect lighting
    • F21V7/0016—Reflectors for light sources providing for indirect lighting on lighting devices that also provide for direct lighting, e.g. by means of independent light sources, by splitting of the light beam, by switching between both lighting modes
    • 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
    • F21S8/08—Lighting devices intended for fixed installation with a standard
    • 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
    • F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
    • 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
    • F21Y2113/00—Combination of light sources
    • 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
    • F21Y2113/00—Combination of light sources
    • F21Y2113/20—Combination of light sources of different form
    • 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 invention relates to a luminaire for generating an indirect illumination according to the preamble of the independent claim.
  • Such a lamp is known for example in the form of a floor lamp.
  • the light for generating the indirect lighting is generated in this case by a light source of the luminaire and subsequently emitted upwards;
  • it is basically possible and known to influence the radiation area occupied by this light outside the luminaire by means of optical elements, alignment of the luminous means, etc. In this way, therefore, the radiation characteristics of the lamp can be selected in a certain way.
  • the luminaire has a radiation characteristic that is specially tailored to the spatial environment of the operating location of the luminaire. For example, in the case of a comparatively small distance between the luminaire and a ceiling above, a relatively wide radiation to produce the indirect lighting is desired, but in the case of a large distance to the ceiling, a narrower radiation. If the luminaire is located near a lateral wall of the room, asymmetric radiation is often desired, with respect to the vertical.
  • the invention has for its object to provide a corresponding light with which an influence on the radiation pattern is possible in a simpler manner.
  • a luminaire for producing an indirect illumination comprising a luminous means for producing a light which can be emitted from the luminaire upwards to produce the indirect illumination; the light source comprises at least one LED (light emitting diode). Furthermore, the luminaire has a cooling body for cooling the luminous means.
  • the heat sink in this case has a first side wall region, which is inclined at an angle, and a second side wall region, which is inclined, wherein the second side wall region differs from the first side wall region in its inclination and / or in its orientation; the luminaire is designed such that the luminous means for generating the indirect illumination can be arranged either on the first or on the second side wall region.
  • the lamp When assembling the lamp, the lamp can be arranged either on the first or on the second side wall portion.
  • the orientation and / or inclination of the luminous means can be set or determined in a particularly simple manner and in this way influence the emission area occupied by the light outside the luminaire in its direction.
  • the heat sink has an upwardly open groove, wherein the first side wall portion and the second side wall portion form walls of the groove. This allows a particularly simple design and thereby a particularly effective cooling of the lamp.
  • the groove has a longitudinal axis, wherein the first side wall region and the second side wall region are formed symmetrically with respect to a vertical plane extending through the longitudinal axis. This allows a symmetrical influence on the orientation of the radiation area with respect to the vertical.
  • the groove has a V-shaped cross section. This allows a design that requires comparatively little space.
  • the lamp further comprises a transparent disc, with which the groove is covered.
  • the lamp can be protected from external influences.
  • the first sidewall region and the second sidewall region enclose an angle of at least 120 °, in particular an angle between 120 ° and 160 °. This allows the formation of a comparatively wide radiation range.
  • the lighting means comprises an elongated board having a plurality of LEDs arranged in a row thereon. This allows a comparatively intense light output.
  • the heat sink or a further heat sink has a third side wall region and a fourth side wall region, wherein the third and the fourth side wall region are formed and arranged symmetrically with respect to the first and the second side wall region.
  • the lamp also expediently has a further light source for generating a light that can be emitted from the light up to produce the indirect lighting, wherein the light is further designed such that the further light source for generating the indirect lighting on the third or on the fourth side wall area can be arranged.
  • two emission regions can be produced, which are both symmetrical with respect to a vertical plane, the emission regions being of different widths.
  • the lamp further comprises a direct light illuminant provided for generating downwardly directed direct illumination, the third and fourth sidewall portions being formed symmetrically with respect to the first and second sidewall portions with respect to a central portion of the direct light illuminant are arranged.
  • the direct light illuminant may advantageously comprise a fluorescent tube.
  • the lamp a floor lamp or a pendant lamp.
  • the lamp is a floor lamp having a lamp head 2, which is held on a stand 4.
  • a luminaire according to the invention can also be present, for example, in the form of a pendant luminaire. More generally, the luminaire is a luminaire for producing indirect lighting. Of course, the light can also be designed to generate a direct lighting.
  • Fig. 4 shows a perspective view of the lamp head 2 obliquely from above.
  • Fig. 5 shows a cross section through the lamp head. 2
  • the lamp in the FIGS. 4 and 5 exemplified, illuminant 6 on.
  • the lighting means 6 has at least one LED 10.
  • the lighting means 6 may comprise an elongate board 61 having a plurality of LEDs arranged in a row thereon, as for example Fig. 4 evident.
  • the luminaire has a cooling body 8 for cooling the luminous means 6;
  • the board 61 may be connected to the heat sink 8 directly conductive.
  • the heat sink 8 has a first side wall portion 81 which is inclined and a second side wall portion 82 which is also inclined obliquely.
  • obliquely inclined is meant that the respective side wall area, when the lamp is intended as for the operation, oriented with respect to the vertical, is not aligned vertically or horizontally.
  • the luminaire can be provided, for example, to be oriented during operation, as shown in the illustration of Fig. 5 corresponds, so that the arrow o the direction vertical upward and the arrow u indicates the direction vertically downwards.
  • the first sidewall region 81 has a slope N1 with respect to the horizontal H and the second sidewall region 82 has a slope N2 .
  • the first side wall portion 81 and the second side wall portion 82 differ in inclination and / or orientation.
  • the second side wall portion 82 differs as shown Fig. 5 is apparent from the first side wall portion 81 only in the orientation; in their inclinations N1, N2 , however, the two side wall portions 81, 82 do not differ in this example.
  • the luminaire is designed such that the luminous means 6 can be arranged either on the first side wall region 81 or on the second side wall region 82; at the in Fig. 5 In the case shown, it is arranged on the first side wall portion 81.
  • the light generated by the light source 6 for generating the indirect lighting takes outside, here above the light a radiation area A1 .
  • the direction of this radiation area A1 is dependent on the orientation of the luminous means 6.
  • Fig. 5 is tilted to the right side due to the inclination N1 of the first side wall portion 81 on which the lamp 6 is arranged in this example. If the bulb 6, however, on the second Side wall region 82 is arranged, so the corresponding radiation region tilts to the left, so that a corresponding second radiation area is formed.
  • the orientation of the radiation portion changes by an angle W when the light source 6 starts from the first side wall portion 81 is arranged on the second side wall portion 82, wherein the angle W of the inclination N1 of the first side wall portion 81 and the inclination N2 of the second side wall portion 82 additively composed.
  • Fig. 6 the second emission angle A2 is sketched, which results when the luminous means 6 is arranged on the second side wall region 82 (the arrangement of the luminous means 6 is in this case for the sake of simplicity Fig. 5 been taken over; in fact, it would have to be drawn on the second side wall area 82 corresponding to the second emission area A2 ).
  • the luminous means 6 can be arranged either on the first side wall region 81 or on the second sidewall region 82, so that in this way it is particularly easy to influence the emission characteristic of the luminaire.
  • the luminous means 6, the first sidewall region 81 and the second sidewall region 82 are correspondingly matched in their sizes.
  • the lighting means 6 has an elongated circuit board 61 and, viewed in a section normal to the longitudinal axis of the circuit board 61, the first side wall region 81 is minimally larger than the circuit board 61, for example between 1.1 and 1, 5 times as large as the board 61.
  • the heat sink 8 has an upwardly open groove, wherein the first side wall portion 81 and the second side wall portion 82 form walls of the groove.
  • the groove can extend straight, so they have a in Fig. 4 has indicated longitudinal axis L.
  • the groove may advantageously have a length which is greater than half the diameter of the lamp head second
  • the first side wall portion 81 and the second side wall portion 82 may be referenced with reference to a Fig. 5 exemplified vertical plane E, which runs through the longitudinal axis L of the groove, be symmetrical, in particular mirror-symmetrical.
  • the groove may be formed by the first side wall portion 81 and the second side wall portion 82.
  • the two side wall portions 81, 82 may be formed in particular each plan. In this way, the groove may be formed to have a V-shaped cross section.
  • the lamp has a transparent cover or disc 12, with which the groove from above, preferably completely, is covered.
  • the lighting means 6 can be protected against external influences.
  • the first sidewall region 81 and the second sidewall region 82 preferably enclose an angle of at least 120 °. For example, it may be provided that they include an angle which is between 120 ° and 160 °.
  • the luminaire further comprises a third sidewall region 83 and a fourth sidewall region 84, which are formed and arranged symmetrically with respect to the first sidewall region 81 and the second sidewall region 82.
  • the third and the fourth side wall region 83, 84 may be formed on the heat sink 8 or - as in Fig. 5 shown by way of example - on a further heat sink 8 '.
  • the emission characteristic of the luminaire can be influenced even more variably in a particularly simple manner.
  • a further light source 6 ' may be provided, which is preferably formed analogously to the first-mentioned light source 6 and which can be arranged to produce the indirect lighting either on the third side wall portion 83 or on the fourth side wall portion 84.
  • a further light source 6 ' may be provided, which is preferably formed analogously to the first-mentioned light source 6 and which can be arranged to produce the indirect lighting either on the third side wall portion 83 or on the fourth side wall portion 84.
  • the further heat sink 8 ' has a further groove, wherein the third side wall portion 83 and the fourth side wall portion 84 form walls of the further groove and the first-mentioned groove and the further groove respectively rectilinear and parallel to each other and analog are formed.
  • the two grooves may be formed symmetrically to a vertical center plane M of the lamp.
  • A, with respect to the center plane M upwardly symmetric radiation characteristic of the lamp can be achieved in this embodiment, characterized in that the light source 6 and the other light source 6 'are arranged symmetrically to the center plane M ;
  • the light source 6 and the other light source 6 ' are arranged symmetrically to the center plane M ;
  • the light source 6 on the first side wall portion 81 and the further light source 6 'on the first side wall portion 81 symmetrically formed third side wall region 83 may be arranged or in a second case, as in Fig. 6 Based on the Abstrahl Stude A2 , A2 'outlines the light source 6 on the second side wall portion 82 and the other light source 6' on the symmetrical fourth side wall portion 84.
  • the radiation is up through the respective correspondingly formed Abstrahl Schemee together, ie in first case by the radiation areas A1 and A1 'and in the second case by the radiation areas A2 and A2 '.
  • the first case there is an upward emission, which is wider than in the second case. Accordingly, the first case may, for example, be preferred when the luminaire is put into operation in a room with a comparatively low ceiling, the second case with a comparatively high ceiling.
  • a third case is shown in which the luminous means 6 is arranged on the second side wall region 82 and the further luminous means 6 'on the third sidewall region 83.
  • the two corresponding emission regions A2 and A1' result in an upward emission overall inclined to the left side.
  • Analog results in a Fig. 8 shown fourth case in which the lighting means 6 is arranged on the first side wall portion 81 and the further lighting means 6 'on the fourth side wall portion 84. This results in a Upward radiation, which is composed of the radiation areas A1 and A2 ' and which is inclined to the right.
  • the arrangement of the luminous means 6 and of the further luminous means 6 ' can take place, for example, within the framework of the production of the luminaire.
  • the lamp may further comprise a direct light illuminant 14, for example in the form of a fluorescent tube or two fluorescent tubes; in the case of an elongated direct light illuminant 14, the arrangement is preferably such that a longitudinal axis of the direct light illuminant 14 is oriented parallel to the groove and to the further groove.
  • the direct light illuminant 14 may be arranged in particular symmetrically to the center plane M.
  • the further groove in the further heat sink 8 ' is formed, that is, if two heat sinks are provided, since the light can be designed in this way with a particularly low height.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP20110158591 2010-03-17 2011-03-17 Lampe destinée à la production d'un éclairage indirect modifiable Not-in-force EP2392854B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202010003751U DE202010003751U1 (de) 2010-03-17 2010-03-17 Leuchte zur Erzeugung einer veränderbaren indirekten Beleuchtung

Publications (3)

Publication Number Publication Date
EP2392854A2 true EP2392854A2 (fr) 2011-12-07
EP2392854A3 EP2392854A3 (fr) 2012-05-02
EP2392854B1 EP2392854B1 (fr) 2015-05-13

Family

ID=43983551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110158591 Not-in-force EP2392854B1 (fr) 2010-03-17 2011-03-17 Lampe destinée à la production d'un éclairage indirect modifiable

Country Status (2)

Country Link
EP (1) EP2392854B1 (fr)
DE (1) DE202010003751U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9993816B2 (en) * 2007-02-09 2018-06-12 Fabpulous B.V. Apparatus and method for separating and analyzing blood
WO2018108745A1 (fr) * 2016-12-13 2018-06-21 Licht Kunst Licht Ag Dispositif d'éclairage
AT16563U1 (de) * 2016-01-29 2020-01-15 Zumtobel Lighting Gmbh Kühlkörper für eine Leuchte, sowie Leuchte mit einem solchen Kühlkörper

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012102973A1 (de) 2012-04-05 2013-10-10 Siteco Beleuchtungstechnik Gmbh Leuchte mit integriertem Kühlkörper
DE202013103456U1 (de) * 2013-08-01 2014-11-04 Zumtobel Lighting Gmbh Pendelleuchte mit einer Lichtquelle zur Erzeugung einer indirekten Beleuchtung
CN212156699U (zh) * 2017-12-08 2020-12-15 嘉兴山蒲照明电器有限公司 一种led灯

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1828677B1 (fr) * 2004-12-23 2015-10-14 Nualight Limited Eclairage de vitrine
ES2330054T3 (es) * 2006-04-19 2009-12-03 F.A.R.O. Fabbrica Apparecchiature Razionali Odontoiatriche S.P.A. Dispositivo de iluminacion compacto, en particular para su utilizacion en una lampara dental.
US7766511B2 (en) * 2006-04-24 2010-08-03 Integrated Illumination Systems LED light fixture
DE102007043904A1 (de) * 2007-09-14 2009-03-19 Osram Gesellschaft mit beschränkter Haftung Leucht-Vorrichtung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9993816B2 (en) * 2007-02-09 2018-06-12 Fabpulous B.V. Apparatus and method for separating and analyzing blood
AT16563U1 (de) * 2016-01-29 2020-01-15 Zumtobel Lighting Gmbh Kühlkörper für eine Leuchte, sowie Leuchte mit einem solchen Kühlkörper
WO2018108745A1 (fr) * 2016-12-13 2018-06-21 Licht Kunst Licht Ag Dispositif d'éclairage
US10704749B2 (en) 2016-12-13 2020-07-07 Licht Kunst Licht Ag Lamp

Also Published As

Publication number Publication date
EP2392854B1 (fr) 2015-05-13
EP2392854A3 (fr) 2012-05-02
DE202010003751U1 (de) 2011-07-26

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