WO2017129621A1 - Lampe à del comprenant un élément directeur de lumière - Google Patents

Lampe à del comprenant un élément directeur de lumière Download PDF

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Publication number
WO2017129621A1
WO2017129621A1 PCT/EP2017/051554 EP2017051554W WO2017129621A1 WO 2017129621 A1 WO2017129621 A1 WO 2017129621A1 EP 2017051554 W EP2017051554 W EP 2017051554W WO 2017129621 A1 WO2017129621 A1 WO 2017129621A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
profile element
elements
led
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.)
Ceased
Application number
PCT/EP2017/051554
Other languages
German (de)
English (en)
Inventor
Hans-Peter Koenigstein
Helmut Zahnbrecher
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 SBT GmbH
Original Assignee
Siteco Beleuchtungstechnik 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 Siteco Beleuchtungstechnik GmbH filed Critical Siteco Beleuchtungstechnik GmbH
Publication of WO2017129621A1 publication Critical patent/WO2017129621A1/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
    • F21V5/00—Refractors for light sources
    • F21V5/007—Array of lenses or refractors for a cluster of light sources, e.g. for arrangement of multiple light sources in one plane
    • 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
    • F21V13/04—Combinations of only two kinds of elements the elements being 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
    • F21V7/00—Reflectors for light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/049—Patterns or structured surfaces for diffusing light, e.g. frosted surfaces
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional [2D] array of point-like light-generating elements

Definitions

  • the present invention relates to a luminaire, in particular a linear luminaire, with at least one cluster of LEDs (which generally semiconductor light sources are understood, including organic semiconductor light sources) as Leuchtmit tel.
  • LEDs which generally semiconductor light sources are understood, including organic semiconductor light sources
  • LED bulbs In the prior art lights are often provided with LED bulbs due to the advantages in energy conservation. However, compared to conventional bulbs, such as fluorescent tubes, the LED bulbs require other light directing elements because the LEDs emit the light as near-point radiators. Even a cluster of several LEDs, which are arranged over a surface, produce a light distribution which is not comparable to a conventional light source, which emits light over an extended surface section.
  • the LEDs can be associated with lenses or reflectors to design the light distribution according to the lighting task.
  • these solutions are often very cost intensive, because the lenses and / or reflectors are arranged as individual components with respect to the LEDs.
  • Object of the present invention is to provide a luminaire with at least one LED cluster, which allows a simplified Lichtlenkmila.
  • a special feature of the lamp according to the invention consists in the nature of the light-guiding elements. These are from at least one - -
  • Lens plate and side reflector walls integrally gebil ⁇ det and are assigned as a whole to the LED cluster on the support.
  • the component can be produced inexpensively.
  • the reflective side walls relative to the individual lenses and the lenses are firmly connected to each other, so that structural tolerances or tolerances, for example by different heat development within the luminaire, are reduced.
  • the carrier with the LEDs is held directly on the profile element .
  • the profile element may be formed in particular of aluminum and therefore effectively contribute to the cooling of the LEDs by the contact with the carrier element of the at least one LED carrier.
  • the profile allows in a particularly simple manner, the positioning and mounting of the light-guiding elements relative to the LED cluster on the support.
  • the light directing element is made of a two-component injection molding, wherein the lens plate are formed of a transparent material and the Be ⁇ tenrow of an at least partially reflective material.
  • the light-directing component can be produced inexpensively. Further, since both components are made of plastic, they also have a similar thermal expansion.
  • the light-guiding element has an optically transparent cover, which is connected to the edges of the side walls on the side opposite the lens plate.
  • the light-guiding element is integrally formed, including the transparent cover.
  • the transparent cover may not only serve to protect the lens plate, but may also provide other light directing properties.
  • the cover may have a prismatic structure. - or have a microlens structure, which ensures the glare of the lamp.
  • the transparent cover extends in the direction of the lenses ⁇ plate to sen to further influence the distribution of light. In particular, this can achieve a glare on direct view of the lamp, which is comparable in effect with a classic lighting grid.
  • the Lichtlenkele- ment is provided with locking elements which engage the profile element to hal ⁇ tion the light-guiding element on the profile element.
  • the locking elements engage at one or two opposite along the profile element réelleckenden recesses. This makes it particularly easy to mount the light-deflecting element on the profile element. Since the carrier with the at least one LED cluster is likewise fastened to the profile element, the light-guiding element can thereby be easily fixed in relation to the LED cluster.
  • the light-guiding element has positioning elements which interact positively with the support of at least one LED cluster.
  • one or more domes may be provided on the light-directing element, which engage in corresponding recesses on the support of the LED cluster, so that the position of the light-directing element is fixed relative to the support and thus to the LED cluster.
  • This embodiment is particularly advantageous in connection with the previously mentioned latching elements on the light-guiding element, which engage in the profile element.
  • the latching elements can engage in a groove of the profile element, so that the light-guiding element can still be displaced along one direction in the profile element.
  • the positioning element of the light-guiding element interacts directly with the carrier in order to ensure a particularly precise positioning of the lenses relative to the LEDs in the cluster.
  • Structural tolerances arising from the mounting of the carrier in the profile element or by the assembly of the light-guiding element on the profile element can be compensated by the positioning element which acts directly between the light-guiding element and the carrier.
  • the light-directing element is not directly connected to the LED cluster to thermally decouple the light-directing element from the LEDs.
  • an air gap between the LEDs and the lens plate offers the advantage that the light entry surface of the lenses is more effective for diffractive light steering.
  • the carrier is formed with the at least one LED cluster as a circuit board, which mechanically holds the LED of the cluster and electrically contacted.
  • the board also has the advantage that it is flat and therefore can be easily inserted into an undercut on the profile element. Furthermore, operating devices for operating the LEDs can be connected directly or indirectly to the printed circuit board.
  • the carrier is inserted with the LED cluster in the profile and additionally secured with a mechanical fastener.
  • the board may be hooked on one longitudinal side in an undercut of the profile element and be screwed on the opposite ⁇ the page.
  • the connection has the advantage that the board is in good thermal contact with the profile element, so that the profile element at the same time - -
  • Heat sink for the LEDs or other operating devices on the board can act.
  • the luminaire has a plurality of the light elements and the carrier has a plurality of LED clusters.
  • each LED cluster on the carrier is assigned a light-guiding element. It can be integrated with each other ver ⁇ also prevented several adjacent light guide elements.
  • This embodiment is suitable for the formation of a linear luminaire.
  • the plurality of juxtaposed light guide elements can be arranged as in the manner of a classic lighting grid in a linear luminaire.
  • the profile element in areas in which no light-guiding elements are arranged in the profile ⁇ element, closed with non-transparent ⁇ bdeckelemen- th.
  • cover elements on the light output be arranged between the light guide elements cover elements in the same width as the light guide elements and the side walls can be closed with cover elements.
  • the profile element itself may have the side walls of the lamp.
  • the end faces of the profile element are also closed by cover elements.
  • connecting elements can also be present in order to connect several of the profile elements at the front, in order to form a light band from several of the entire luminaires.
  • the cover elements between the light-guiding elements are preferably held on the profile element.
  • they can be slid lengthwise or plugged by hooks and / or spring elements on the profile element and locked.
  • the profiled element is disposed on a support opposite the support of the light-guiding elements. set up facilities to install the lamp on the building side and / or has other lighting devices to produce an indirect lighting.
  • the luminaire can be constructed as a suspended luminaire.
  • the elements for hanging are mounted on the light exit surface ge ⁇ opposite side of the luminaire.
  • optical elements are provided on the additional lighting elements, which provide a broad radiation, so that with the suspended lamp a ceiling can be illuminated over a larger area.
  • FIG. 2 shows a cross section through the luminaire according to FIG.
  • FIG. 3 shows a partial perspective view of the lamp of Figure 1, wherein elements of the lamp are omitted.
  • FIG. 4 shows a cross section through the luminaire according to FIG.
  • FIG. 5 shows a cross section through the luminaire according to FIG.
  • FIG. 6 shows a plan view of the front side of the luminaire according to FIG. 1 with additional components for indirect illumination and luminaire suspension.
  • the luminaire is designed as a linear luminaire, i. it has a much greater length than width.
  • Figure 1 shows the light on the light exit side, which is intended to point in a room.
  • the luminaire of the illustrated embodiment comprises twelve light-deflecting elements, which are arranged in two groups of six light-deflecting elements 3 in succession. Each of the light-guiding elements 3 is made in one piece. Furthermore, two or more of the adjacent light-guiding elements 3 may be fixedly connected with each other.
  • FIG. 2 a cross section through the luminaire according to FIG. 1 is shown.
  • This is a profile element 1 of the lamp to see, which serves as a central holding elements for all components of the lamp.
  • the profile element 1 is formed from an extruded profile, in particular an aluminum profile is preferred because it has the necessary stability and at the same time is a good conductor of heat, so that it can also serve as a heat sink for the lamps and equipment of the lamp.
  • the profile element 1 has on one side continuous hooks la, which serve to receive the light-guiding elements 3, which in turn have locking elements 3a on the side surfaces.
  • the latching elements 3a on the light-guiding elements can be designed to be elastic, for example, of plastic, so that they can simply be placed under elastic deformation on the hooks la of the profile element 1 from below and engage behind the hook 1a.
  • a carrier ger 2 for LED cluster which is formed in the illustrated Ausrete ⁇ tion form by a board 2 attached.
  • the board 2 is flat and extends at least over the Län ⁇ ge of the adjacent light-guiding elements 3.
  • the board 2 is flat against the profile element 1, so that a good thermal contact between the board 2 and the profile element 1 is ensured. If, according to preferred embodiments, the printed circuit board 2 also has printed conductors on the side facing the profiled element 1, these are electrically insulated from the metal profiled element 1 by an insulating layer.
  • the board 2 On the side facing the light-guiding element 3, the board 2 has clusters of LEDs 2d which serve as light-emitting means in the luminaire for generating direct illumination.
  • the clusters of LEDs 2d can be seen in the top view. They form a two-dimensional array of LEDs, each associated with a light-guiding element 3.
  • the light-guiding element 3 has a transparent lens plate on the side facing the LED cluster 2d (only the circumference of the lens plate is shown in FIG. 3 for clarity).
  • the lens plate has a continuous arrangement of a plurality of lenses, which may be formed, for example, as collecting, scatter or free-form lenses.
  • Each individual LED 2d in the LED cluster is in each case assigned a lens, so that the light from the LED strikes, at least for the most part, the lens assigned to it.
  • the lenses are preferably equipped in such a way that they concentrate the light of the LED 2d and thereby emit mainly in a direction perpendicular to the light exit surface of the light.
  • the light guide member 3 further has side walls 3a extending laterally from the edges of the lens plate toward the light exit surface.
  • the lens plate and the side walls 3a are integrally formed with a two-component plastic injection molding method. In this case, the plastic which forms the lens plate, transparent to produce the optical properties for the lenses.
  • the plastic material for the side walls 3a is at least partially light-reflecting, so that the side walls can act as reflectors on the side facing the LEDs 2d. Light of the LED 2d, which is not directed to the light exit side of the light guide elements 3 after penetrating the lens plate, is reflected on the side walls 3a to also leave the light guide element from the light exit surface.
  • Two or more of the light-guiding elements 3 can be connected to one another on one side, as shown in FIG. Further, in this area of the light-guiding elements 3, at least one dome 3b is provided on the light-guiding element 3, which engages in a recess of the board 2.
  • the light-guiding element and in particular the lens plate is aligned with respect to the board 2 or the clusters of LEDs 2 d arranged thereon.
  • the mechanical support of the light-guiding element 3 in the luminaire is ensured by the latching elements 3a, which latch onto the hanks of the profile element 1.
  • the pin 3b By the pin 3b, a precise alignment of the light-guiding element with respect to the board can be ensured, while they act directly between the board and the light-directing elements.
  • the light guide element 3 (not constitute ⁇ provided in the figures), a cover aufwei ⁇ sen, in particular consisting of plastic cover which is welded integrally with the side walls 3a of the light guide element 3 on the light exit side further.
  • the art fabric cover is transparent and preferably has a micro-prism structure, which can provide for further light control, in particular for a diffuse scattering to glare.
  • the transparent cover in the light-guiding element 3 has a depression in the direction of the lens plate or the LEDs 2d, whereby a further light deflection is produced for glare-freeing of the luminaire. Further details with regard to the transparent cover are described in patent application DE 10 2016 101 345, the disclosure of which is incorporated herein by reference for further details on the transparent cover.
  • FIG. 4 which shows the cross section through the lamp described above in an area further on one of the front side, hereinafter a non-transparent cover 4 of the lamp, the side walls, the narrow areas between the light guide elements 3 and the front of the Close the light, described.
  • the non-transparent cover 4 has a frame-like underside, whose openings form the light exit side of the light-guiding elements. Furthermore, the cover 4 extends over the side walls of the lamp and over the front side
  • FIG. 4 One of the side walls of the cover 4 (on the left side in FIG. 4) has on the inside a projection 4a which bears against a projection of the hook 1a of the profile element.
  • a spring element 4b is integrated in the cover 4, which engages for the corresponding projection on the opposite side.
  • FIG. 6 shows the above-described luminaire from one end face in the plan view, wherein further components are shown
  • Top are provided.
  • ⁇ tel 5 preferably also LEDs, provided, which are directed in Rich ⁇ tion to the ceiling to provide for indirect lighting.
  • a lens element 5a on the LED 5 on projections of the profile element 1 lengthwise over the lamp is provided, and the light of LEDs 5 for the Indi ⁇ rektbeleuchtung is to deflect. Further details on the Indirektbe ⁇ illumination are written in the patent application DE 10 2016 101 361 loading, whose disclosure is incorporated with respect to the details of the indirect lighting herein by reference.
  • FIG. 6 shows how the luminaire is mounted on the room side.
  • the profile element 1 are behind projections several ironing elements 6 (in Figure 6, only one to see) up- _ 2 _ pushed.
  • a Seilversteller 7 is mounted centrally, to which a suspension cable 7a is attached, on which the lamp is kept at a distance from the ceiling.
  • Further modifications of the luminaire are possible within the scope of the invention, which is defined by the claims.
  • a different number of light-guiding elements may be provided in the luminaire.
  • the lamp, as shown in Figure 1 may have more or fewer light-guiding elements in a row.
  • at least two Lichtlenkele- elements are present in a lamp.
  • the luminaire does not have to be designed as a single luminaire. It can be provided instead of the end-side covers and a connecting element (preferably attached to the profile element 1) to connect a plurality of lights to form a light band in a row. It is also possible to provide corner elements which have, for example, one or more of the light-guiding elements 3, in which case the light-guiding elements 3 can be arranged not only one behind the other but also at an angle of, for example, 90 ° to one another. In other embodiments, it is also possible to provide light-guiding elements next to one another and behind one another, for example in several columns.

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

Abstract

La présente invention concerne une lampe qui présente les caractéristiques suivantes : un élément profilé, un support doté d'au moins un groupement de DEL qui est maintenu sur l'élément profilé, et au moins un élément directeur de lumière comprenant une plaque de lentilles qui est disposée au-dessus du groupement de DEL, et des parois latérales réfléchissantes qui sont reliées de façon monobloc à la plaque de lentilles et s'étendent à partir des bords de la plaque de lentilles dans une direction opposée au groupement de DEL, l'élément directeur de lumière étant maintenu contre l'élément profilé de sorte que la plaque de lentilles se trouve positionnée au-dessus du groupement de DEL.
PCT/EP2017/051554 2016-01-26 2017-01-25 Lampe à del comprenant un élément directeur de lumière Ceased WO2017129621A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102016101361 2016-01-26
DE102016101361.7 2016-01-26
DE102016104221.8 2016-03-08
DE102016104221.8A DE102016104221B4 (de) 2016-01-26 2016-03-08 LED-Leuchte mit Lichtlenkelement

Publications (1)

Publication Number Publication Date
WO2017129621A1 true WO2017129621A1 (fr) 2017-08-03

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ID=59295609

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/051554 Ceased WO2017129621A1 (fr) 2016-01-26 2017-01-25 Lampe à del comprenant un élément directeur de lumière

Country Status (2)

Country Link
DE (2) DE102016104221B4 (fr)
WO (1) WO2017129621A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018222327A1 (de) * 2018-12-19 2020-06-25 Frenger Systemen BV Heiz- und Kühltechnik GmbH Strahlflächenaufbau mit Hochvolt-LEDs
DE102023130876A1 (de) * 2023-11-08 2025-05-08 Bartenbach Holding Gmbh Strahler

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009023916A1 (de) * 2009-06-04 2010-12-09 Hella Kgaa Hueck & Co. Leuchte für Fahrzeuge
EP2416062A2 (fr) * 2010-08-06 2012-02-08 Everlight Yi-Guang Technology (Shanghai) LTD. Dispositif électroluminescent
DE202013101816U1 (de) * 2013-04-26 2014-07-29 Zumtobel Lighting Gmbh Optisches Element für eine LED-Lichtquelle, Anordnung zur Lichtabgabe sowie Leuchte

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI116116B (fi) * 2003-11-07 2005-09-15 Teknoware Oy Hybridivalaisin
DE102009037763A1 (de) * 2009-08-17 2011-02-24 Zumtobel Lighting Gmbh Stromschienensystem für ein Leuchtmodul
US9016895B2 (en) 2011-03-30 2015-04-28 Innovative Lighting, Inc. LED lighting fixture with reconfigurable light distribution pattern
DE102013203912A1 (de) 2013-03-07 2014-09-11 Zumtobel Lighting Gmbh LED-Leuchtmodul und Leuchte mit wenigstens einem LED-Leuchtmodul
CH708279A1 (de) 2013-07-08 2015-01-15 Regent Beleuchtungskörper Ag Leuchte.
DE202013010408U1 (de) 2013-11-19 2015-02-20 Zumtobel Lighting Gmbh Leuchtenoptik und Lichtbandleuchte
DE202014101954U1 (de) * 2014-04-25 2015-07-28 Zumtobel Lighting Gmbh Optisches Element für eine LED, LED-Anordnung mit einem solchen optischen Element, sowie Leuchte mit einer solchen LED-Anordnung
DE202014104801U1 (de) 2014-10-07 2016-01-11 Zumtobel Lighting Gmbh Längliche LED-Leuchte
DE202015105154U1 (de) 2015-09-30 2017-01-02 Zumtobel Lighting Gmbh Lichtbandsystem-Leuchte mit Reflektor, Lichtbandsystem und optisches Linsenelement
DE102016101345A1 (de) 2016-01-26 2017-07-27 Osram Gmbh Leuchte mit pyramidenförmiger oder kegelförmiger Abdeckung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009023916A1 (de) * 2009-06-04 2010-12-09 Hella Kgaa Hueck & Co. Leuchte für Fahrzeuge
EP2416062A2 (fr) * 2010-08-06 2012-02-08 Everlight Yi-Guang Technology (Shanghai) LTD. Dispositif électroluminescent
DE202013101816U1 (de) * 2013-04-26 2014-07-29 Zumtobel Lighting Gmbh Optisches Element für eine LED-Lichtquelle, Anordnung zur Lichtabgabe sowie Leuchte

Also Published As

Publication number Publication date
DE102016104223A1 (de) 2017-07-27
DE102016104221A1 (de) 2017-08-10
DE102016104221B4 (de) 2022-01-05

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