EP3006818B1 - Elongated led lamp - Google Patents

Elongated led lamp Download PDF

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Publication number
EP3006818B1
EP3006818B1 EP15188606.6A EP15188606A EP3006818B1 EP 3006818 B1 EP3006818 B1 EP 3006818B1 EP 15188606 A EP15188606 A EP 15188606A EP 3006818 B1 EP3006818 B1 EP 3006818B1
Authority
EP
European Patent Office
Prior art keywords
leg
compartment
luminaire
light source
separating area
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.)
Active
Application number
EP15188606.6A
Other languages
German (de)
French (fr)
Other versions
EP3006818A1 (en
Inventor
Wolfgang Rüf
Patrick Kilga
Joachim Frick
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 EP3006818A1 publication Critical patent/EP3006818A1/en
Application granted granted Critical
Publication of EP3006818B1 publication Critical patent/EP3006818B1/en
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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
    • F21S4/00—Lighting devices or systems using a string or strip of light sources
    • F21S4/20—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports
    • F21S4/28—Lighting devices or systems using a string or strip of light sources with light sources held by or within elongate supports rigid, e.g. LED bars
    • 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
    • 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
    • F21S8/038—Lighting devices intended for fixed installation of surface-mounted type intended to be mounted on a light track
    • 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
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/0035—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources the fastening means being capable of simultaneously attaching of an other part, e.g. a housing portion or an optical component
    • 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
    • F21V7/0091—Reflectors for light sources using total internal reflection
    • 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
    • F21Y2105/00—Planar light sources
    • F21Y2105/10—Planar light sources comprising a two-dimensional 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to an elongated LED light (LED: light-emitting diode), also referred to herein as "LED bar light”.
  • LED light-emitting diode
  • the Applicant sells under the name TECTON a trunking system with a mounting rail and a corresponding LED bar light, which is intended to be fixed from below to the mounting rail.
  • electrical conductors run to power the lamp.
  • the lamp has an elongated, profile-like support element.
  • a, arranged on the support element so-called rotary knob
  • the lamp can be mechanically connected by locking with the support rail;
  • the rotary knob can be produced by the rotary knob when making the mechanical connection and an electrical contact with the conductor tracks in the mounting rail, so that in this way a power supply of the lamp is guaranteed.
  • the LED light is designed such that the rotary knob has a lateral actuating arm which passes through an opening in the support element and can be operated from the outside.
  • an LED lamp with a profile-like support member on which an LED board is arranged.
  • the support element On both sides of the LED board, the support element has bends, which serve to hold a lens element.
  • the support member On one of the LED board opposite side, the support member has two flange-like areas for connection to a light carrier.
  • the invention has for its object to provide a corresponding improved luminaire;
  • the luminaire should allow easy manufacture and have a reduced probability of light leakage through the opening of the actuating arm.
  • a luminaire which has a profile-like carrier element which extends along a longitudinal axis, an LED light source, and a holding element for holding the luminaire on a, in particular in the form of a support rail formed light carrier.
  • a first compartment and a second compartment are formed, wherein the LED light source is arranged in the first compartment and the holding element in the second compartment.
  • the carrier element is formed from a bent component, such that, viewed in the cross section, the first compartment and the second compartment are completely separated from one another by a separating region of the carrier element.
  • the carrier element is formed from a bent component, it can be produced in a particularly simple and cost-effective manner. Nevertheless, the formation of the two compartments makes it possible to ensure that no light from the first compartment, in which the LED light source is located, penetrates into the second compartment and leaves the luminaire in an undesired manner.
  • a fold is formed by the carrier element for complete separation of the two compartments.
  • the fold comprises a 180 ° bend, as provided for by the invention, it can be designed with particularly advantageous use of space.
  • the second compartment viewed in the cross section, has a U-shape with a first U-leg, a second U-leg and one, the two U-legs connecting connecting leg, wherein the fold passes through a, defined by the first U-leg level.
  • a passage of light from the first compartment into the region of the first U-leg can be particularly suitably prevented, in particular if the fold is formed between the separation area and the first U-leg.
  • a passage opening for an actuating arm or the like of the holding element is formed.
  • the connecting leg is at least predominantly formed by the separation region.
  • the connecting leg is at least predominantly formed by the separation region.
  • the first U-leg has a recess, in particular a through opening, wherein the retaining element is arranged passing through the recess.
  • the holding element can be operated particularly suitably from an outside area of the luminaire.
  • the first compartment at least in a first approximation on another U-shape with another first U-leg, another second U-leg and one, the two other U-legs connecting connecting leg, the latter at least predominantly the separation area is formed.
  • the separating region of the carrier element is formed by a preferably rectilinear leg which consists only of one layer of the component.
  • the carrier element can be made particularly material-saving.
  • the LED light source and / or the holding element are arranged in a space-saving manner and preferably held on the separating region.
  • the LED light source is preferably arranged on a first side of the separating region and the holding element is arranged on a second side of the separating region lying opposite the first side.
  • the carrier element consists of a sheet metal part. This is manufacturing technology advantageous.
  • Fig. 1 shows a perspective sketch in the manner of an exploded view of an embodiment of a lamp according to the application.
  • the luminaire comprises a profile-like carrier element 1 which extends along a longitudinal axis L.
  • the longitudinal axis L here runs parallel to the axis defined by the profile shape of the carrier element 1.
  • the lamp includes an LED light source 2.
  • the LED light source 2 is used to generate a light that is emitted by the lamp.
  • the lamp further comprises a holding element 3, for example in the form of a lever, in particular in the form of a rotary knob.
  • the holding element 3 is configured to hold the lamp to a light carrier.
  • the light carrier may, for example, be a mounting rail, in particular a mounting rail of a lighting system. Accordingly, the light carrier may also be elongate, being oriented parallel to the light when the light is arranged on it as intended by the holding element 3.
  • the luminaire can accordingly be a continuous line luminaire.
  • Fig. 3 is a cross section of the support member 1 normal to the longitudinal axis L sketched. Viewed in this cross section, a first compartment I and a second compartment II are formed by the carrier element 1.
  • Fig. 4 a corresponding cross-section is sketched, which also shows the LED light source 2.
  • the LED light source 2 is arranged in the first compartment I. How out Fig. 5 hinted, the holding element 3 is arranged in the second compartment II.
  • the luminaire can have a light exit region 5, through which the light generated by the LED light source 2 passes into an outer region of the luminaire.
  • the light exit region 5 can be formed by a light emission opening of the first compartment I.
  • an optical element 4 for influencing the light emitted by the LED light source 2 is arranged between the LED light source 2 and the light exit region 5.
  • the carrier element 1 is advantageously formed from a bent component, in particular a bent sheet metal part.
  • the carrier element 1 can therefore be a sheet-metal profile part, with the axis given by the profile shape running parallel to the longitudinal axis L.
  • Fig. 3 As can be seen, the component is bent in such a way that, viewed in the cross section, the first compartment I and the second compartment II are completely separated from one another by a separating region 11 of the carrier element 1. In this way, the likelihood that light from the LED light source 2 from the first compartment I penetrates into the second compartment II and subsequently - undesirably - leaves the luminaire can be reduced.
  • Fig. 3 shows by way of example, is formed by the support member 1, preferably for complete separation of the two compartments I, II a fold 12.
  • the fold 12 comprises a 180 ° bend.
  • the fold 12 is formed by a bend with a, parallel to the longitudinal axis L extending bending line.
  • the 180 ° bend is designed such that contact the two, adjacent to the bending line portions of the support member 1 area. This allows a particularly space-saving, suitable separation of the two compartments I, II.
  • the second compartment II has, at least to a first approximation, a U-shape with a first U-leg 14, a second U-leg 15 and a connecting leg connecting the two U-legs 14, 15; it is still here preferably the design such that the fold 12 passes through a plane E defined by the first U-leg 14. In the example shown, this plane E runs parallel to the longitudinal axis L.
  • the first U-leg 14 and the second U-leg 15 can be provided for attaching the luminaire to the luminous carrier for connecting the luminaire.
  • the connecting leg of said U-shape of the second compartment II can be formed at least predominantly by the separating region 11 of the carrier element 1.
  • the fold 12 is preferably formed between the separation region 11 and the first U-leg 14.
  • the design is preferably such that the bending line of the fold 12 extends on a first side of the plane E and a middle region of the separating region 11 runs on the second side of the plane E opposite thereto.
  • the first U-leg 14 preferably has a recess 141, in particular a through opening, wherein the holding element 3, the recess 141 is arranged to pass through.
  • the holding element 3 is formed by a rotary knob, which has an actuating arm, wherein the actuating arm passes through the recess 141, so that a suitable operation from outside the light is possible.
  • the design is, for example, such that, by an actuation of the actuating arm, the rotary knob moves back and forth between a mounting position and an operating position, in particular, can be rotated.
  • the lamp In the mounting position, the lamp can be attached to the light carrier, so for example the mounting rail.
  • the actuating arm can be actuated so that the rotary knob is rotated from the mounting position to the operating position.
  • the lamp In the operating position, the lamp is provided as for an operation of the lamp, connected to the light carrier, that is arranged mechanically held on the light carrier.
  • the holding member 3 is further designed so that it not only serves for the mechanical support of the lamp to the light carrier, but also allows an electrical connection between the light carrier and the lamp, said electrical connection is made when the holding member 3 in the Operating position is, but not when the holding member 3 in the Mounting position is located.
  • the holding element 3 for this purpose has in particular electrical contact areas, which are configured, for example, to contact corresponding electrical conductor tracks which are arranged in the light carrier or the mounting rail for the power supply of the luminaire.
  • the recess 141 can be covered, so to speak, from the side of the first compartment I forth, so that a corresponding passage of light is prevented at this point.
  • the first compartment I at least in a first approximation, has a further U-shape with a further first U-leg 16, a further second U-leg 17 and a connecting leg connecting the two further U-legs 16, 17 the latter being formed at least predominantly by the separating region 11.
  • the light exit region 5 may in particular be formed between the further first U-leg 16 and the further second U-leg 17.
  • the separation region 11 is designed plane, so that it defines a further plane E ', which is preferably oriented perpendicular to the first-mentioned, that is defined by the first U-leg 14 plane E perpendicular.
  • the luminaire is aligned for operation in relation to the vertical such that the separating region 11 or the further plane E 'is oriented horizontally.
  • first U-leg 14 and the second U-leg 15 of the U-shape of the second compartment II extend here from the separating region 11 or the further plane E 'in a first direction - here also referred to as "upward” -
  • first direction - here also referred to as "upward”
  • second direction - also referred to as "down"
  • the design of the carrier element 1 is such that the distance ⁇ 1 between the first U-leg 14 and the second U-leg 15 is slightly smaller than the distance ⁇ 2 the other first U-leg 16 and the other second U-leg 17.
  • the relationship 3/4 ⁇ 2 ⁇ 1 ⁇ 2 applies.
  • the separating region 11 of the carrier element 1 is formed by a preferably rectilinear leg, which consists only of one layer of the component.
  • the LED light source 2 and / or the holding element 3 are preferably arranged supported on the separating region 11.
  • the LED light source 2 is arranged on a first side of the separating region 11 -in this case below-and the holding element 3 is arranged on a second side of the separating region 11 lying opposite the first side-here above.
  • a bearing element 115 may be formed, for example in the form of a bent punched-out, which serves for pivotal mounting of the retaining element 3.
  • the LED light source 2 comprises, for example, a circuit board 21 with LEDs 22 arranged thereon, which is arranged on the separating region 11-for example, directly.
  • the support element 1 further comprises a further fold 13 which, with respect to a, parallel to the longitudinal axis L extending in Fig. 3 indicated, center plane M of the lamp is designed analogous to the first-mentioned fold 12.
  • the second U-leg 15 is further formed corresponding symmetrically to the first U-leg 14;
  • the carrier element 1 is configured symmetrically overall with respect to the center plane M.
  • the lamp allows in particular a cost-effective production; the carrier element 1 can be advantageously produced by bending, for example, roll bending. An unwanted passage of the emitted light from the LED light source 2 in the second compartment II, in which the holding element 3 is arranged, can be practically prevented. In particular, it is not necessary here that subsequently separate elements must be inserted or mounted.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Description

Die Erfindung betrifft eine längliche LED-Leuchte (LED: Licht emittierende Diode), hier auch als "LED-Balkenleuchte" bezeichnet.The invention relates to an elongated LED light (LED: light-emitting diode), also referred to herein as "LED bar light".

Die Anmelderin vertreibt unter der Bezeichnung TECTON ein Lichtbandsystem mit einer Tragschiene und einer entsprechenden LED-Balkenleuchte, die dafür vorgesehen ist, von unten an der Tragschiene befestigt zu werden. In der Tragschiene verlaufen elektrische Leiterbahnen zur Stromversorgung der Leuchte.The Applicant sells under the name TECTON a trunking system with a mounting rail and a corresponding LED bar light, which is intended to be fixed from below to the mounting rail. In the mounting rail electrical conductors run to power the lamp.

Die Leuchte weist ein längliches, profilartiges Trägerelement auf. Mit Hilfe eines, an dem Trägerelement angeordneten, so genannten Drehknebels lässt sich die Leuchte durch ein Verriegeln mechanisch mit der Tragschiene verbinden; außerdem lässt sich durch den Drehknebel beim Herstellen der mechanischen Verbindung auch ein elektrischer Kontakt zu den Leiterbahnen in der Tragschiene herstellen, so dass hierdurch eine Stromversorgung der Leuchte gewährleistet ist.The lamp has an elongated, profile-like support element. By means of a, arranged on the support element, so-called rotary knob, the lamp can be mechanically connected by locking with the support rail; In addition, can be produced by the rotary knob when making the mechanical connection and an electrical contact with the conductor tracks in the mounting rail, so that in this way a power supply of the lamp is guaranteed.

Da im Vergleich zu einer Leuchte mit einer Leuchtstofflampe als Lichtquelle bei einer entsprechenden LED-Leuchte der Drehknebel von der Unterseite her nicht zugänglich ist, ist die LED-Leuchte derart gestaltet, dass der Drehknebel einen seitlichen Betätigungsarm aufweist, der eine Öffnung in dem Trägerelement durchgreift und von außen her betätigt werden kann.Since in comparison to a luminaire with a fluorescent lamp as the light source for a corresponding LED lamp of the rotary knob from the bottom is not accessible, the LED light is designed such that the rotary knob has a lateral actuating arm which passes through an opening in the support element and can be operated from the outside.

Es hat sich nunmehr gezeigt, dass grundsätzlich die Möglichkeit besteht, dass über die Öffnung, durch die der Betätigungsarm des Drehknebels hindurch ragt, ein gewisser ungewollter Lichtaustritt erfolgt. Grund hierfür ist, dass ein Teil des von den LEDs emittierten Lichts innerhalb eines Bereichs für die Lichtabgabe reflektiert und nach oben zurück geworfen werden kann und dann durch die Öffnung, durch die der Betätigungsarm ragt, austreten kann; dies ist im Allgemeinen unerwünscht, insbesondere wird es in der Regel als unschön wahrgenommen.It has now been found that in principle there is the possibility that over the opening through which the actuating arm of the rotary knob protrudes, a certain unwanted light emission occurs. This is because part of the light emitted by the LEDs can be reflected and thrown back up within a light emitting area and then exit through the opening through which the operating arm protrudes; this is generally undesirable, in particular it is usually perceived as unpleasant.

Um einen entsprechenden Lichtaustritt durch die Öffnung des Trägerelements zu verhindern, wäre der Einsatz separater Abdeck-Elemente denkbar, die die Öffnung entsprechend abdecken. Dies ist allerdings mit einem erhöhten Montageaufwand verbunden; zudem ist hierbei grundsätzlich die Gefahr eines fehlerhaften Einbaus der Abdeck-Elemente gegeben.In order to prevent a corresponding light emission through the opening of the carrier element, the use of separate cover elements would be conceivable, which cover the opening accordingly. However, this is with an increased installation effort connected; Moreover, there is basically the risk of incorrect installation of the cover elements.

Aus der WO 2014/045164 A1 ist eine LED-Leuchte mit einem profilartigen Trägerelement bekannt, auf dem eine LED-Platine angeordnet ist. Beidseits neben der LED-Platine weist das Trägerelement Biegungen auf, die zur Halterung eines Linsenelements dienen. Auf einer der LED-Platine gegenüber liegenden Seite weist das Trägerelement zwei flanschartige Bereiche zur Verbindung mit einem Leuchtenträger auf.From the WO 2014/045164 A1 an LED lamp with a profile-like support member is known, on which an LED board is arranged. On both sides of the LED board, the support element has bends, which serve to hold a lens element. On one of the LED board opposite side, the support member has two flange-like areas for connection to a light carrier.

Aus der DE 20 2013 102 670 U1 ist eine LED-Leuchte mit einem profilartigen Reflektorelement bekannt. Eine Baueinheit dient dabei zur Halterung der Leuchte an einer Tragschiene.From the DE 20 2013 102 670 U1 is an LED lamp with a profile-like reflector element known. A unit serves to hold the lamp to a mounting rail.

Der Erfindung liegt die Aufgabe zugrunde, eine entsprechende verbesserte Leuchte anzugeben; insbesondere soll die Leuchte eine einfache Herstellung ermöglichen sowie eine reduzierte Wahrscheinlichkeit für einen Lichtaustritt durch die Öffnung des Betätigungsarms aufweisen.The invention has for its object to provide a corresponding improved luminaire; In particular, the luminaire should allow easy manufacture and have a reduced probability of light leakage through the opening of the actuating arm.

Diese Aufgabe wird gemäß der Erfindung mit dem in dem unabhängigen Anspruch genannten Gegenstand gelöst. Besondere Ausführungsarten der Erfindung sind in den abhängigen Ansprüchen angegeben.This object is achieved according to the invention with the object mentioned in the independent claim. Particular embodiments of the invention are indicated in the dependent claims.

Gemäß der Erfindung ist eine Leuchte vorgesehen, die ein profilartiges Trägerelement aufweist, das sich entlang einer Längsachse erstreckt, eine LED-Lichtquelle, sowie ein Halteelement zur Halterung der Leuchte an einem, insbesondere in Form einer Tragschiene ausgebildeten Leuchtenträger. Dabei sind in einem Querschnitt normal zu der Längsachse betrachtet durch das Trägerelement ein erstes Kompartiment und ein zweites Kompartiment gebildet, wobei die LED-Lichtquelle in dem ersten Kompartiment angeordnet ist und das Halteelement in dem zweiten Kompartiment. Das Trägerelement ist dabei aus einem gebogenen Bauteil gebildet, derart, dass in dem Querschnitt betrachtet das erste Kompartiment und das zweite Kompartiment durch einen Trennbereich des Trägerelements vollständig voneinander getrennt sind.According to the invention, a luminaire is provided which has a profile-like carrier element which extends along a longitudinal axis, an LED light source, and a holding element for holding the luminaire on a, in particular in the form of a support rail formed light carrier. In this case, viewed in a cross section normal to the longitudinal axis through the carrier element, a first compartment and a second compartment are formed, wherein the LED light source is arranged in the first compartment and the holding element in the second compartment. In this case, the carrier element is formed from a bent component, such that, viewed in the cross section, the first compartment and the second compartment are completely separated from one another by a separating region of the carrier element.

Dadurch, dass das Trägerelement aus einem gebogenen Bauteil gebildet ist, lässt es sich besonders einfach und kostengünstig herstellen. Durch die Ausbildung der beiden Kompartimente lässt sich dennoch erzielen, dass kein Licht aus dem ersten Kompartiment, in dem sich die LED-Lichtquelle befindet, in das zweite Kompartiment dringt und von dort auf unerwünschte Weise die Leuchte verlässt.Because the carrier element is formed from a bent component, it can be produced in a particularly simple and cost-effective manner. Nevertheless, the formation of the two compartments makes it possible to ensure that no light from the first compartment, in which the LED light source is located, penetrates into the second compartment and leaves the luminaire in an undesired manner.

Erfindungsgemäß ist durch das Trägerelement zur vollständigen Trennung der beiden Kompartimente eine Falte gebildet. Auf diese Weise lässt sich herstellungstechnisch vorteilhaft ein entsprechender Lichtdurchtritt aus dem ersten in das zweite Kompartiment besonders zuverlässig verhindern. Wenn dabei die Falte - wie erfindungsgemäß vorgesehen - eine 180°-Biegung umfasst, lässt sie sich unter besonders vorteilhafter Raumnutzung gestalten.According to the invention, a fold is formed by the carrier element for complete separation of the two compartments. In this way, advantageously, a corresponding passage of light from the first to the second compartment can be prevented with particular reliability. If, in this case, the fold comprises a 180 ° bend, as provided for by the invention, it can be designed with particularly advantageous use of space.

Erfindungsgemäß weist in dem Querschnitt betrachtet das zweite Kompartiment zumindest in erster Näherung eine U-Form mit einem ersten U-Schenkel, einem zweiten U-Schenkel und einem, die beiden U-Schenkel verbindenden Verbindungsschenkel auf, wobei die Falte eine, durch den ersten U-Schenkel festgelegte Ebene durchsetzt. Auf diese Weise lässt sich ein Lichtdurchtritt aus dem ersten Kompartiment in den Bereich des ersten U-Schenkels besonders geeignet verhindern, insbesondere, wenn die Falte zwischen dem Trennbereich und dem ersten U-Schenkel gebildet ist. Dies ist insbesondere vorteilhaft, wenn in dem ersten U-Schenkel eine Durchgangsöffnung für einen Betätigungsarm oder dergleichen des Halteelements gebildet ist.According to the invention, viewed in the cross section, the second compartment, at least to a first approximation, has a U-shape with a first U-leg, a second U-leg and one, the two U-legs connecting connecting leg, wherein the fold passes through a, defined by the first U-leg level. In this way, a passage of light from the first compartment into the region of the first U-leg can be particularly suitably prevented, in particular if the fold is formed between the separation area and the first U-leg. This is particularly advantageous if in the first U-leg, a passage opening for an actuating arm or the like of the holding element is formed.

Vorzugsweise ist der Verbindungsschenkel zumindest überwiegend durch den Trennbereich gebildet. Hierdurch ist insbesondere eine kleinräumige Gestaltung ermöglicht.Preferably, the connecting leg is at least predominantly formed by the separation region. As a result, in particular a small-scale design is possible.

Vorzugsweise weist der erste U-Schenkel eine Ausnehmung, insbesondere eine Durchgangsöffnung auf, wobei das Halteelement die Ausnehmung durchsetzend angeordnet ist. Auf diese Weise lässt sich erzielen, dass das Halteelement besonders geeignet von einem Außenbereich der Leuchte her bedient werden kann.Preferably, the first U-leg has a recess, in particular a through opening, wherein the retaining element is arranged passing through the recess. In this way it is possible to achieve that the holding element can be operated particularly suitably from an outside area of the luminaire.

Erfindungsgemäß weist in dem Querschnitt betrachtet das erste Kompartiment zumindest in erster Näherung eine weitere U-Form mit einem weiteren ersten U-Schenkel, einem weiteren zweiten U-Schenkel und einem, die beiden weiteren U-Schenkel verbindenden Verbindungsschenkel auf, wobei Letzterer zumindest überwiegend durch den Trennbereich gebildet ist. Hierdurch ist insbesondere für die Gestaltung der Leuchte eine besonders geeignete Raumnutzung ermöglicht.According to the invention, viewed in the cross section, the first compartment at least in a first approximation on another U-shape with another first U-leg, another second U-leg and one, the two other U-legs connecting connecting leg, the latter at least predominantly the separation area is formed. As a result, a particularly suitable use of space is made possible in particular for the design of the lamp.

Vorzugsweise ist in dem Querschnitt betrachtet der Trennbereich des Trägerelements durch einen vorzugsweise geradlinigen Schenkel gebildet, der lediglich aus einer Lage des Bauteils besteht. Hierdurch lässt sich insbesondere das Trägerelement besonders materialsparend gestalten. Dabei sind insbesondere raumsparend weiterhin vorzugsweise die LED-Lichtquelle und/oder das Halteelement an dem Trennbereich gehaltert angeordnet. Vorzugsweise ist dabei die LED-Lichtquelle auf einer ersten Seite des Trennbereichs angeordnet und das Halteelement auf einer, der ersten Seite gegenüber liegenden zweiten Seite des Trennbereichs.Preferably, as viewed in the cross section, the separating region of the carrier element is formed by a preferably rectilinear leg which consists only of one layer of the component. As a result, in particular the carrier element can be made particularly material-saving. In particular, the LED light source and / or the holding element are arranged in a space-saving manner and preferably held on the separating region. In this case, the LED light source is preferably arranged on a first side of the separating region and the holding element is arranged on a second side of the separating region lying opposite the first side.

Vorzugsweise besteht das Trägerelement aus einem Blechteil. Dies ist herstellungstechnisch vorteilhaft.Preferably, the carrier element consists of a sheet metal part. This is manufacturing technology advantageous.

Die Erfindung wird im Folgenden anhand eines Ausführungsbeispiels und mit Bezug auf die Zeichnungen näher erläutert. Es zeigen:

Fig. 1
eine perspektivische Skizze zu einem Ausführungsbeispiel einer erfindungsgemäßen Leuchte,
Fig. 2
eine perspektivische Skizze zu einem Trägerelement der Leuchte,
Fig. 3
eine Querschnitt-Skizze des Trägerelements,
Fig. 4
eine Querschnittskizze des Trägerelements mit einer LED-Lichtquelle und einem optischen Element und
Fig. 5
eine perspektivische Skizze zu einem Halteelement der Leuchte.
The invention is explained in more detail below with reference to an embodiment and with reference to the drawings. Show it:
Fig. 1
a perspective sketch of an embodiment of a lamp according to the invention,
Fig. 2
a perspective sketch of a support element of the lamp,
Fig. 3
a cross-sectional sketch of the support element,
Fig. 4
a cross-sectional diagram of the carrier element with an LED light source and an optical element and
Fig. 5
a perspective sketch of a holding element of the lamp.

Fig. 1 zeigt eine perspektivische Skizze nach Art einer Explosionsdarstellung zu einem Ausführungsbeispiel einer anmeldungsgemäßen Leuchte. Die Leuchte umfasst ein profilartiges Trägerelement 1, das sich entlang einer Längsachse L erstreckt. Insbesondere verläuft die Längsachse L hier parallel zu der durch die Profilform des Trägerelements 1 festgelegten Achse. Weiterhin umfasst die Leuchte eine LED-Lichtquelle 2. Die LED-Lichtquelle 2 dient zur Erzeugung eines Lichts, das von der Leuchte abgegeben wird. Fig. 1 shows a perspective sketch in the manner of an exploded view of an embodiment of a lamp according to the application. The luminaire comprises a profile-like carrier element 1 which extends along a longitudinal axis L. In particular, the longitudinal axis L here runs parallel to the axis defined by the profile shape of the carrier element 1. Furthermore, the lamp includes an LED light source 2. The LED light source 2 is used to generate a light that is emitted by the lamp.

Wie in Fig. 5 angedeutet, umfasst die Leuchte weiterhin ein Halteelement 3, beispielsweise in Form eines Hebels, insbesondere in Form eines Drehknebels. Das Halteelement 3 ist dazu ausgestaltet, die Leuchte an einem Leuchtenträger zu halten. Bei dem Leuchtenträger kann es sich beispielsweise um eine Tragschiene handeln, insbesondere um eine Tragschiene eines Lichtbandsystems. Der Leuchtenträger kann dementsprechend ebenfalls länglich sein, wobei er parallel zu der Leuchte orientiert ist, wenn die Leuchte an ihm wie vorgesehen durch das Halteelement 3 gehalten angeordnet ist. Bei der Leuchte kann es sich dementsprechend um eine Lichtbandleuchte handeln.As in Fig. 5 indicated, the lamp further comprises a holding element 3, for example in the form of a lever, in particular in the form of a rotary knob. The holding element 3 is configured to hold the lamp to a light carrier. The light carrier may, for example, be a mounting rail, in particular a mounting rail of a lighting system. Accordingly, the light carrier may also be elongate, being oriented parallel to the light when the light is arranged on it as intended by the holding element 3. The luminaire can accordingly be a continuous line luminaire.

In Fig. 3 ist ein Querschnitt des Trägerelements 1 normal zu der Längsachse L skizziert. In diesem Querschnitt betrachtet sind durch das Trägerelement 1 ein erstes Kompartiment I und ein zweites Kompartiment II gebildet. In Fig. 4 ist ein entsprechender Querschnitt skizziert, der weiterhin die LED-Lichtquelle 2 zeigt. Die LED-Lichtquelle 2 ist in dem ersten Kompartiment I angeordnet. Wie aus Fig. 5 andeutungsweise hervorgeht, ist das Halteelement 3 in dem zweiten Kompartiment II angeordnet.In Fig. 3 is a cross section of the support member 1 normal to the longitudinal axis L sketched. Viewed in this cross section, a first compartment I and a second compartment II are formed by the carrier element 1. In Fig. 4 a corresponding cross-section is sketched, which also shows the LED light source 2. The LED light source 2 is arranged in the first compartment I. How out Fig. 5 hinted, the holding element 3 is arranged in the second compartment II.

Wie in Fig. 4 beispielhaft angedeutet, kann die Leuchte einen Lichtaustrittsbereich 5 aufweisen, durch den hindurch das von der LED-Lichtquelle 2 erzeugte Licht in einen Außenbereich der Leuchte tritt. Insbesondere kann der Lichtaustrittsbereich 5 durch eine Lichtabgabeöffnung des ersten Kompartiments I gebildet sein. Im gezeigten Beispiel ist zwischen der LED-Lichtquelle 2 und dem Lichtaustrittsbereich 5 ein optisches Element 4 zur Beeinflussung des von der LED-Lichtquelle 2 abgestrahlten Lichts angeordnet.As in Fig. 4 indicated by way of example, the luminaire can have a light exit region 5, through which the light generated by the LED light source 2 passes into an outer region of the luminaire. In particular, the light exit region 5 can be formed by a light emission opening of the first compartment I. In the example shown, an optical element 4 for influencing the light emitted by the LED light source 2 is arranged between the LED light source 2 and the light exit region 5.

Das Trägerelement 1 ist herstellungstechnisch vorteilhaft aus einem gebogenen Bauteil, insbesondere einem gebogenen Blechteil gebildet. Bei dem Trägerelement 1 kann es sich also um ein Blechprofilteil handeln, wobei die durch die Profilform gegebene Achse parallel zu der Längsachse L verläuft.The carrier element 1 is advantageously formed from a bent component, in particular a bent sheet metal part. The carrier element 1 can therefore be a sheet-metal profile part, with the axis given by the profile shape running parallel to the longitudinal axis L.

Wie aus Fig. 3 hervorgeht, ist das Bauteil derart gebogen, dass in dem Querschnitt betrachtet das erste Kompartiment I und das zweite Kompartiment II durch einen Trennbereich 11 des Trägerelements 1 vollständig voneinander getrennt sind. Auf diese Weise lässt sich die Wahrscheinlichkeit reduzieren, dass Licht der LED-Lichtquelle 2 aus dem ersten Kompartiment I in das zweite Kompartiment II dringt und im Weiteren - unerwünscht - die Leuchte verlässt.How out Fig. 3 As can be seen, the component is bent in such a way that, viewed in the cross section, the first compartment I and the second compartment II are completely separated from one another by a separating region 11 of the carrier element 1. In this way, the likelihood that light from the LED light source 2 from the first compartment I penetrates into the second compartment II and subsequently - undesirably - leaves the luminaire can be reduced.

Wie aus Fig. 3 exemplarisch hervorgeht, ist durch das Trägerelement 1 vorzugsweise zur vollständigen Trennung der beiden Kompartimente I, II eine Falte 12 gebildet. Insbesondere umfasst die Falte 12 eine 180°-Biegung. Im gezeigten Beispiel ist die Falte 12 durch eine Biegung mit einer, parallel zu der Längsachse L verlaufenden Biegelinie gebildet. Die 180°-Biegung ist dabei derart ausgebildet, dass sich die beiden, an die Biegelinie angrenzenden Teilbereiche des Trägerelements 1 flächig kontaktieren. Hierdurch ist eine besonders raumsparende, geeignete Trennung der beiden Kompartimente I, II ermöglicht.How out Fig. 3 shows by way of example, is formed by the support member 1, preferably for complete separation of the two compartments I, II a fold 12. In particular, the fold 12 comprises a 180 ° bend. In the example shown, the fold 12 is formed by a bend with a, parallel to the longitudinal axis L extending bending line. The 180 ° bend is designed such that contact the two, adjacent to the bending line portions of the support member 1 area. This allows a particularly space-saving, suitable separation of the two compartments I, II.

Wie weiter aus Fig. 3 exemplarisch hervorgeht, weist vorzugsweise in dem Querschnitt betrachtet das zweite Kompartiment II zumindest in erster Näherung eine U-Form mit einem ersten U-Schenkel 14, einem zweiten U-Schenkel 15 und einem, die beiden U-Schenkel 14, 15 verbindenden Verbindungsschenkel auf; dabei ist weiterhin vorzugsweise die Gestaltung derart, dass die Falte 12 eine, durch den ersten U-Schenkel 14 festgelegte Ebene E durchsetzt. Im gezeigten Beispiel verläuft diese Ebene E parallel zu der Längsachse L. Insbesondere können der erste U-Schenkel 14 und der zweite U-Schenkel 15 dafür vorgesehen sein, zur Verbindung der Leuchte mit dem Leuchtenträger, an den Leuchtenträger angesetzt zu werden.How farther Fig. 3 By way of example, preferably in the cross section, the second compartment II has, at least to a first approximation, a U-shape with a first U-leg 14, a second U-leg 15 and a connecting leg connecting the two U-legs 14, 15; it is still here preferably the design such that the fold 12 passes through a plane E defined by the first U-leg 14. In the example shown, this plane E runs parallel to the longitudinal axis L. In particular, the first U-leg 14 and the second U-leg 15 can be provided for attaching the luminaire to the luminous carrier for connecting the luminaire.

Vorteilhaft kann dabei der Verbindungsschenkel der genannten U-Form des zweiten Kompartiments II zumindest überwiegend durch den Trennbereich 11 des Trägerelements 1 gebildet sein. Die Falte 12 ist dabei vorzugsweise zwischen dem Trennbereich 11 und dem ersten U-Schenkel 14 gebildet. Weiterhin vorzugsweise ist die Gestaltung derart, dass die Biegelinie der Falte 12 auf einer ersten Seite der Ebene E verläuft und ein mittlerer Bereich des Trennbereichs 11 auf der hierzu gegenüberliegenden zweiten Seite der Ebene E.Advantageously, the connecting leg of said U-shape of the second compartment II can be formed at least predominantly by the separating region 11 of the carrier element 1. The fold 12 is preferably formed between the separation region 11 and the first U-leg 14. Furthermore, the design is preferably such that the bending line of the fold 12 extends on a first side of the plane E and a middle region of the separating region 11 runs on the second side of the plane E opposite thereto.

Wie beispielhaft in den Figuren 2 und 5 skizziert, weist der erste U-Schenkel 14 vorzugsweise eine Ausnehmung 141, insbesondere eine Durchgangsöffnung auf, wobei das Halteelement 3 die Ausnehmung 141 durchsetzend angeordnet ist. Im gezeigten Beispiel ist das Halteelement 3 durch einen Drehknebel gebildet, der einen Betätigungsarm aufweist, wobei der Betätigungsarm die Ausnehmung 141 durchsetzt, so dass eine geeignete Betätigung von außerhalb der Leuchte her möglich ist.As an example in the Figures 2 and 5 sketched, the first U-leg 14 preferably has a recess 141, in particular a through opening, wherein the holding element 3, the recess 141 is arranged to pass through. In the example shown, the holding element 3 is formed by a rotary knob, which has an actuating arm, wherein the actuating arm passes through the recess 141, so that a suitable operation from outside the light is possible.

Dabei ist die Gestaltung beispielsweise derart, dass durch eine Betätigung des Betätigungsarms der Drehknebel zwischen einer Montageposition und einer Betriebsposition hin- und her bewegt, insbesondere gedreht werden kann. In der Montageposition kann dabei die Leuchte an dem Leuchtenträger, also beispielsweise der Tragschiene angesetzt werden. Sobald die Leuchte wie vorgesehen gegenüber dem Leuchtenträger positioniert ist, kann der Betätigungsarm betätigt werden, so dass der Drehknebel aus der Montageposition in die Betriebsposition gedreht wird. In der Betriebsposition ist die Leuchte wie für einen Betrieb der Leuchte vorgesehen, mit dem Leuchtenträger verbunden, also mechanisch an dem Leuchtenträger gehalten angeordnet.In this case, the design is, for example, such that, by an actuation of the actuating arm, the rotary knob moves back and forth between a mounting position and an operating position, in particular, can be rotated. In the mounting position, the lamp can be attached to the light carrier, so for example the mounting rail. Once the lamp is positioned as intended with respect to the light carrier, the actuating arm can be actuated so that the rotary knob is rotated from the mounting position to the operating position. In the operating position, the lamp is provided as for an operation of the lamp, connected to the light carrier, that is arranged mechanically held on the light carrier.

Vorzugsweise ist das Halteelement 3 weiterhin so gestaltet, dass es nicht nur zur mechanischen Halterung der Leuchte an dem Leuchtenträger dient, sondern auch eine elektrische Verbindung zwischen dem Leuchtenträger und der Leuchte ermöglicht, wobei diese elektrische Verbindung hergestellt ist, wenn sich das Halteelement 3 in der Betriebsposition befindet, nicht jedoch, wenn sich das Halteelement 3 in der Montageposition befindet. Dementsprechend weist das Halteelement 3 hierzu insbesondere elektrische Kontaktbereiche auf, die beispielsweise dafür ausgestaltet sind, entsprechende elektrische Leiterbahnen zu kontaktieren, die in dem Leuchtenträger bzw. der Tragschiene zur Stromversorgung der Leuchte angeordnet sind.Preferably, the holding member 3 is further designed so that it not only serves for the mechanical support of the lamp to the light carrier, but also allows an electrical connection between the light carrier and the lamp, said electrical connection is made when the holding member 3 in the Operating position is, but not when the holding member 3 in the Mounting position is located. Accordingly, the holding element 3 for this purpose has in particular electrical contact areas, which are configured, for example, to contact corresponding electrical conductor tracks which are arranged in the light carrier or the mounting rail for the power supply of the luminaire.

Durch die Falte 12 lässt sich die Ausnehmung 141 sozusagen von der Seite des ersten Kompartiments I her abdecken, so dass ein entsprechender Lichtdurchtritt an dieser Stelle verhindert ist.Through the fold 12, the recess 141 can be covered, so to speak, from the side of the first compartment I forth, so that a corresponding passage of light is prevented at this point.

Weiterhin vorzugsweise weist in dem Querschnitt betrachtet das erste Kompartiment I zumindest in erster Näherung eine weitere U-Form mit einem weiteren ersten U-Schenkel 16, einem weiteren zweiten U-Schenkel 17 und einem, die beiden weiteren U-Schenkel 16, 17 verbindenden Verbindungsschenkel auf, wobei Letzterer zumindest überwiegend durch den Trennbereich 11 gebildet ist. Der Lichtaustrittsbereich 5 kann insbesondere zwischen dem weiteren ersten U-Schenkel 16 und dem weiteren zweiten U-Schenkel 17 gebildet sein.Furthermore, preferably in the cross section, the first compartment I, at least in a first approximation, has a further U-shape with a further first U-leg 16, a further second U-leg 17 and a connecting leg connecting the two further U-legs 16, 17 the latter being formed at least predominantly by the separating region 11. The light exit region 5 may in particular be formed between the further first U-leg 16 and the further second U-leg 17.

Beim gezeigten Beispiel ist der Trennbereich 11 plan gestaltet, so dass durch ihn eine weitere Ebene E' festgelegt ist, die vorzugsweise zu der zuerst genannten, also durch den ersten U-Schenkel 14 festgelegten Ebene E senkrecht orientiert ist. Beispielsweise kann vorgesehen sein, dass die Leuchte für den Betrieb derart gegenüber der Vertikalen ausgerichtet ist, dass der Trennbereich 11 bzw. die weitere Ebene E' horizontal orientiert ist.In the example shown, the separation region 11 is designed plane, so that it defines a further plane E ', which is preferably oriented perpendicular to the first-mentioned, that is defined by the first U-leg 14 plane E perpendicular. For example, it can be provided that the luminaire is aligned for operation in relation to the vertical such that the separating region 11 or the further plane E 'is oriented horizontally.

Dementsprechend erstrecken sich hier der erste U-Schenkel 14 und der zweite U-Schenkel 15 der U-Form des zweiten Kompartiments II ausgehend von dem Trennbereich 11 bzw. der weiteren Ebene E' in eine erste Richtung - hier auch als nach "oben" bezeichnet - und der weitere erste U-Schenkel 16 und der weitere zweite U-Schenkel 17 der U-Form des ersten Kompartiments I in die entsprechende entgegengesetzte Richtung - hier auch als nach "unten" bezeichnet.Accordingly, the first U-leg 14 and the second U-leg 15 of the U-shape of the second compartment II extend here from the separating region 11 or the further plane E 'in a first direction - here also referred to as "upward" - And the other first U-leg 16 and the other second U-leg 17 of the U-shape of the first compartment I in the corresponding opposite direction - also referred to as "down".

Im gezeigten Beispiel ist die Gestaltung des Trägerelements 1 derart, dass der Abstand δ1 zwischen dem ersten U-Schenkel 14 und dem zweiten U-Schenkel 15 etwas kleiner ist als der Abstand δ2 dem weiteren ersten U-Schenkel 16 und dem weiteren zweiten U-Schenkel 17. Beispielsweise kann vorgesehen sein, dass die Beziehung 3/4 δ2 < δ1 < δ2 gilt.In the example shown, the design of the carrier element 1 is such that the distance δ1 between the first U-leg 14 and the second U-leg 15 is slightly smaller than the distance δ2 the other first U-leg 16 and the other second U-leg 17. For example, it may be provided that the relationship 3/4 δ2 <δ1 <δ2 applies.

Vorzugsweise ist in dem Querschnitt betrachtet der Trennbereich 11 des Trägerelements 1 durch einen vorzugsweise geradlinigen Schenkel gebildet ist, der lediglich aus einer Lage des Bauteils besteht.Preferably, viewed in the cross section, the separating region 11 of the carrier element 1 is formed by a preferably rectilinear leg, which consists only of one layer of the component.

Wie im gezeigten Beispiel der Fall, sind vorzugsweise die LED-Lichtquelle 2 und/oder das Halteelement 3 an dem Trennbereich 11 gehaltert angeordnet. Insbesondere ist die LED-Lichtquelle 2 auf einer ersten Seite des Trennbereichs 11 - hier also unten - angeordnet und das Halteelement 3 auf einer, der ersten Seite gegenüber liegenden zweiten Seite des Trennbereichs 11 - hier also oben - angeordnet.As in the example shown, the case, the LED light source 2 and / or the holding element 3 are preferably arranged supported on the separating region 11. In particular, the LED light source 2 is arranged on a first side of the separating region 11 -in this case below-and the holding element 3 is arranged on a second side of the separating region 11 lying opposite the first side-here above.

An dem Trennbereich 11 kann ein Lagerelement 115 ausgebildet sein, beispielsweise in Form einer gebogenen Ausstanzung, das zur Drehlagerung des Halteelements 3 dient.At the separation area 11, a bearing element 115 may be formed, for example in the form of a bent punched-out, which serves for pivotal mounting of the retaining element 3.

Die LED-Lichtquelle 2 umfasst beispielsweise eine Platine 21 mit darauf angeordneten LEDs 22, die an dem Trennbereich 11 - beispielsweise unmittelbar - angeordnet ist.The LED light source 2 comprises, for example, a circuit board 21 with LEDs 22 arranged thereon, which is arranged on the separating region 11-for example, directly.

Vorzugsweise weist das Trägerelement 1 weiterhin eine weitere Falte 13 auf, die mit Bezug auf eine, parallel zu der Längsachse L verlaufende, in Fig. 3 angedeutete, Mittelebene M der Leuchte analog zu der zuerst genannten Falte 12 gestaltet ist. Vorzugsweise ist weiterhin der zweite U-Schenkel 15 entsprechend symmetrisch zu dem ersten U-Schenkel 14 ausgebildet; besonders bevorzugt ist das Trägerelement 1 insgesamt mit Bezug auf die Mittelebene M symmetrisch gestaltet.Preferably, the support element 1 further comprises a further fold 13 which, with respect to a, parallel to the longitudinal axis L extending in Fig. 3 indicated, center plane M of the lamp is designed analogous to the first-mentioned fold 12. Preferably, the second U-leg 15 is further formed corresponding symmetrically to the first U-leg 14; Particularly preferably, the carrier element 1 is configured symmetrically overall with respect to the center plane M.

Die Leuchte ermöglicht insbesondere eine kostengünstige Herstellung; das Trägerelement 1 lässt sich vorteilhaft durch Biegen, beispielsweise Rollbiegen herstellen. Ein ungewollter Durchtritt des von der LED-Lichtquelle 2 abgestrahlten Lichts in das zweite Kompartiment II, in dem das Halteelement 3 angeordnet ist, lässt sich praktisch verhindern. Insbesondere ist es hierbei nicht erforderlich, dass nachträglich separate Elemente eingefügt bzw. montiert werden müssen.The lamp allows in particular a cost-effective production; the carrier element 1 can be advantageously produced by bending, for example, roll bending. An unwanted passage of the emitted light from the LED light source 2 in the second compartment II, in which the holding element 3 is arranged, can be practically prevented. In particular, it is not necessary here that subsequently separate elements must be inserted or mounted.

Claims (8)

  1. A luminaire having
    - a profile-like support element (1), which extends along a longitudinal axis (L),
    - a LED light source (2)
    - a holding element (3) for mounting the luminaire on a luminaire support designed, in particular, in the form of a support rail,
    wherein a first compartment (I) and a second compartment (II) are formed by the support element (1) viewed in a cross section normal to the longitudinal axis (L) and the LED light source (2) is arranged in the first compartment (I) and the holding element (3) in the second compartment (II),
    wherein the support element (1) is formed from a bent component in such a manner that viewed in the cross section the first compartment (I) and the second compartment (II) are completely separated from one another by a separating area (11) of the support element (1),
    wherein a fold (12) is formed by the support element (1) for the complete separation of the two compartments (I, II),
    wherein the fold (12) comprises a 180° bend,
    wherein viewed in the cross section the second compartment (II) has at least in first approximation a U-shape with a first U-leg (14), a second U-leg (15) and a connecting leg, which connects both U-legs (14, 15),
    characterized in
    that the fold (12) passes through a plane (E) defined by the first U-leg (14), wherein viewed in the cross section the first compartment (I) at least in first approximation has a further U-shape with a further first U-leg (16), a further second U-leg (15) and a connecting leg, which connects the two further U-legs (16, 17), wherein the latter connecting leg is formed at least predominantly by the separating area (11).
  2. A luminaire according to Claim 1,
    wherein the connecting leg is formed at least predominantly by the separating area (11).
  3. A luminaire according to Claim 1 or 2,
    in which the fold (12) is formed between the separating area (11) and the first U-leg (14).
  4. A luminaire according to any one of the preceding claims,
    in which the first U-leg (14) has a recess (141), in particular, a through-opening, wherein the holding element (3) is arranged passing through the recess (141).
  5. A luminaire according to any one of the preceding claims,
    in which viewed in the cross section the separating area (11) of the support element (1) is formed by a preferably straight leg, which consists only of one position of the component.
  6. A luminaire according to Claim 5,
    in which the LED light source (2) and/or the holding element (3) are arranged mounted on the separating area (11).
  7. A luminaire according to Claim 6,
    in which the LED light source (2) is arranged on a first side of the separating area (11) and the holding element (3) is arranged on a second side of the separating area (11) situated opposite the first side.
  8. A luminaire according to any one of the preceding claims,
    in which the support element (1) consists of a sheet-metal part.
EP15188606.6A 2014-10-07 2015-10-06 Elongated led lamp Active EP3006818B1 (en)

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DE202014104801.4U DE202014104801U1 (en) 2014-10-07 2014-10-07 Elongated LED light

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EP3006818A1 EP3006818A1 (en) 2016-04-13
EP3006818B1 true EP3006818B1 (en) 2017-12-13

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EP3006818A1 (en) 2016-04-13
DE202014104801U1 (en) 2016-01-11

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