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EP2851609A1 - Illumination device - Google Patents

Illumination device Download PDF

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Publication number
EP2851609A1
EP2851609A1 EP20140175537 EP14175537A EP2851609A1 EP 2851609 A1 EP2851609 A1 EP 2851609A1 EP 20140175537 EP20140175537 EP 20140175537 EP 14175537 A EP14175537 A EP 14175537A EP 2851609 A1 EP2851609 A1 EP 2851609A1
Authority
EP
European Patent Office
Prior art keywords
lighting device
light
housing
circuit board
optical element
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
EP20140175537
Other languages
German (de)
French (fr)
Other versions
EP2851609B1 (en
Inventor
Ralph Wemper
Karsten Müller
Rudolf Heise
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.)
Insta Elektro GmbH and Co KG
Original Assignee
Insta Elektro GmbH and Co KG
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 Insta Elektro GmbH and Co KG filed Critical Insta Elektro GmbH and Co KG
Publication of EP2851609A1 publication Critical patent/EP2851609A1/en
Application granted granted Critical
Publication of EP2851609B1 publication Critical patent/EP2851609B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F21V5/008—Combination of two or more successive refractors along an optical axis
    • 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
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • F21V15/013—Housings, e.g. material or assembling of housing parts the housing being an extrusion
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the present invention is based on a designed according to the preamble of the main claim lighting device.
  • Such lighting devices are usually intended to provide inside or outside of buildings for the targeted illumination of their environment or for the illumination of objects directly in their environment and / or for a targeted coupling of light into objects. When light is coupled into objects, these are in turn often intended to emit the coupled-in light with certain effects to their surroundings.
  • a the preamble of the main claim corresponding lighting device is characterized by the DE 103 26 063 B4 known.
  • This lighting device has a plurality of arranged on a circuit board, connectable via this to a supply network, lighting means, wherein the circuit board is surrounded by a targeted light emission enabling housing.
  • the housing is made with its light exit area in one piece from a correspondingly shortened piece of continuous profile. In the inside of the two longitudinal walls of the housing in each case a groove for receiving the printed circuit board is formed.
  • needs-based lighting which can not be realized by means of such a designed lighting device.
  • needs-based lighting can be realized by goods located on store shelves, the associated requirements can not always be met to the necessary extent.
  • the present invention is therefore an object of the invention to provide a lighting device whose housing not only the functional elements safely protected against aggressive environmental conditions and can be produced in one piece with its light exit area in a simple and inexpensive way by means of particularly fewer steps, but which also offers the possibility of additionally receiving a separate optical element for influencing the light, in order to generate light effects in a simple manner, which in many cases are necessary for an adequate lighting.
  • the additionally received optical element can be manufactured as a separate component and provided in a simple manner with a light influencing structure adapted to the respective application.
  • such an optical element can then be designed rod-shaped and simply inserted into the interior of the housing of the illumination device, so that an illumination device optimally matched to the respective lighting tasks (application) can be made available.
  • such a lighting device consists mainly of a housing 1, in which a connectable to the power supply circuit board 2 is arranged.
  • the printed circuit board 2 is equipped with a plurality of bulbs 3 designed as LED, and the housing 1 surrounding the printed circuit board 2 has a light exit region 4 for targeted light emission, the housing 1 with its light exit region 4 being made in one piece from a correspondingly shortened piece of endless profile.
  • the housing 1 with its light exit region 4 being made in one piece from a correspondingly shortened piece of endless profile.
  • the circuit board 2 can be inserted from one of the two end portions of the housing 1 comfortably in the interior thereof.
  • the light exit area 4 is provided for selective light influencing on its the printed circuit board 2 inside facing integrally with an optical education, which has a plurality of extending in the longitudinal direction of the housing 1, first grooves 7. On its outer side facing away from the printed circuit board 2, the light exit region 4 has a light output surface 6.
  • a retaining lug 9 is integrally formed on the inside of the two longitudinal walls of the housing 1.
  • the separate optical element 8 is rod-shaped and integrally provided with a light influencing structure, which has a plurality of second grooves 10 which extend transversely to the longitudinal direction of the housing 1.
  • the retaining lugs 9 are formed or mounted so that the optical element 8 can be inserted below the optical education of the light exit region 4, starting from one of the two end portions of the housing 1 comfortably in its interior.
  • the light-influencing structure is integrally formed on the upper side of the optical element 8 facing the light exit region 4.
  • the light influencing structure has a multiplicity of second grooves 10 extending transversely to the longitudinal direction of the housing 1 and essentially causes the light emitted by the light sources 3 (LEDs) to be influenced in a scattering manner.
  • the thus diffused influenced light is supplied to the optics education with their first grooves 7, which causes the light is again influenced scattering, so that on the light output surface 6 of the light exit region 4, a wide homogeneous beam of light is emitted for illumination to the outside.
  • the light emitted by the light sources 3 is directed and aligned in such a way that a uniform light overlay with optionally homogeneous color light mixture occurs. As already mentioned, it thus comes about the light exit area 4 to a defined light emission to the outside.
  • the light exit region 4 of the housing 1 consists of translucent plastic.
  • the housing is the first manufactured as an extrusion profile in the so-called 2K process, wherein the, not attributable to the light exit region 4 housing areas consist of a light-impermeable plastic material.
  • the two end portions of the housing 1 are each closed by a closure piece 11, wherein the two end pieces 11 are welded to the housing 1, so that the interior of the housing is effectively protected from environmental influences.
  • One of the two end pieces 11 has a, for simplicity, not shown, cable passage opening.
  • a locking bar 12 is formed, which are intended to cooperate detent with fastening means, which are designed in the present case as retaining clips K.
  • All existing on the circuit board 2 bulbs 3 are designed as LED and arranged in a running in the longitudinal direction of the housing 1 row.
  • the printed circuit board 2 is in this case equipped with lighting means 3, so that a cold-white light emitting LED alternates with a red light emitting LED, which is why in the present case special emphasis is placed on a uniform light overlay with homogeneous color light mixture.
  • the circuit board 2 is connected to a, for simplicity, not shown, control device.
  • each retaining clip K has a first end portion for fixing to a goods rack R, said first end portion is provided as an assembly aid with an angled portion.
  • the second end region of the retaining clip 4 is provided for receiving the illumination device and for this purpose comprises the housing 1 of the illumination device partially and comes detent with the two, integrally formed on the housing 1 locking strips 12 in operative connection.
  • three or four retaining clips K use.
  • two retaining clips K are used.
  • R shelf R is a shelf made of metal use, which is part of a refrigerated shelf.
  • Ground area of the goods rack R is provided for receiving the goods to be presented, and a right angle bent therefrom end serves for fixing a price tag or for fixing a price tag carrier P.
  • a right angle bent therefrom end serves for fixing a price tag or for fixing a price tag carrier P.
  • the mounting leg runs parallel to the bottom portion of the goods rack R.
  • the housing 1 not only the functional elements safely protected against environmental influences and can be produced in one piece with its light exit area 4 in a simple and inexpensive way by means of particularly fewer steps, but also offers the possibility, in addition, a separate To receive optical element 8 protected for needs-based light influencing in order to easily create lighting effects that are necessary in many cases for a needs-based lighting.
  • the additionally recorded optical element 8 is advantageously produced as a separate component and provided in a simple manner with a matched to the particular application light influencing structure.
  • such a rod-shaped optical element 8 can then be simply inserted into the interior of the housing 1 of the illumination device.
  • it can be made available a lighting device that is tuned in a simple manner optimally to the respective lighting tasks.

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)

Abstract

Es wird eine Beleuchtungseinrichtung vorgeschlagen, deren an ein Versorgungsnetz angeschlossene, mit Leuchtmitteln bestückte Leiterplatte von einem einen gezielten Lichtaustritt ermöglichenden Gehäuse (1) umgeben ist, wobei das Gehäuse (1) mit seinem Lichtaustrittsbereich (4) einstückig aus einem entsprechend gekürzten Stück Endlosprofil besteht. Zu dem Zweck, eine Beleuchtungseinrichtung zu schaffen, deren Gehäuse (1) nicht nur die Funktionselemente sicher geschützt vor aggressiven Umweltbedingungen aufnimmt und sich einstückig mit seinem Lichtaustrittsbereich (4) auf einfache und preisgünstige Art und Weise mittels besonders weniger Arbeitsschritte herstellen lässt, sondern welches zudem die Möglichkeit bietet, zusätzlich ein separates Optikelement (8) zur Lichtbeeinflussung geschützt aufzunehmen, ist der Lichtaustrittsbereich (4) zur gezielten Lichtbeeinflussung an seiner der Leiterplatte (2) zugewandten Innenseite einstückig mit einer Optikausbildung versehen, die mehrere in Längsrichtung des Gehäuses (1) verlaufende erste Rillen (7) aufweist, und ist der Lichtaustrittsbereich (4) an seiner der Leiterplatte (2) abgewandten Außenseite einstückig mit einer Lichtauskoppelfläche versehen, wobei zur Aufnahme eines separaten, einstückig mit einer Lichtbeeinflussungsstruktur versehenen Optikelementes (8) an die Innenseite der beiden Längswände des Gehäuses (1) jeweils zumindest eine Haltenase (9) angeformt ist.It is proposed a lighting device whose connected to a supply network, equipped with bulbs circuit board is surrounded by a specific light emission enabling housing (1), the housing (1) with its light exit area (4) consists of one piece correspondingly shortened endless profile. For the purpose of creating a lighting device, the housing (1) not only the functional elements safely protected from aggressive environmental conditions and can be produced in one piece with its light exit area (4) in a simple and inexpensive way by means of particularly fewer steps, but which also offers the possibility of additionally receiving a separate optical element (8) protected to influence the light, the light exit area (4) for targeted light influencing on its the printed circuit board (2) facing inside is integrally provided with an optical education, the more in the longitudinal direction of the housing (1) extending has first grooves (7), and the light exit region (4) on its the printed circuit board (2) facing away from the outer side integrally provided with a Lichtauskoppelfläche, wherein for receiving a separate, integrally provided with a light influencing structure optical element (8) to the interior nseite the two longitudinal walls of the housing (1) in each case at least one retaining lug (9) is integrally formed.

Description

Die vorliegende Erfindung geht von einer gemäß Oberbegriff des Hauptanspruches konzipierten Beleuchtungseinrichtung aus.The present invention is based on a designed according to the preamble of the main claim lighting device.

Derartige Beleuchtungseinrichtungen sind in der Regel dafür vorgesehen, innerhalb bzw. außerhalb von Gebäuden für die gezielte Ausleuchtung ihrer Umgebung bzw. für die Anleuchtung von direkt in ihrer Umgebung befindlicher Gegenstände und/oder für eine gezielte Einkoppelung von Licht in Gegenstände zu sorgen. Wird Licht in Gegenstände eingekoppelt, sind diese oftmals ihrerseits dafür vorgesehen, das eingekoppelte Licht mit bestimmten Effekten an ihre Umgebung abzugeben.Such lighting devices are usually intended to provide inside or outside of buildings for the targeted illumination of their environment or for the illumination of objects directly in their environment and / or for a targeted coupling of light into objects. When light is coupled into objects, these are in turn often intended to emit the coupled-in light with certain effects to their surroundings.

Eine dem Oberbegriff des Hauptanspruches entsprechende Beleuchtungseinrichtung ist durch die DE 103 26 063 B4 bekannt geworden. Diese Beleuchtungseinrichtung weist mehrere, auf einer Leiterplatte angeordnete, über diese an ein Versorgungsnetz anschließbare, Leuchtmittel auf, wobei die Leiterplatte von einem einen gezielten Lichtaustritt ermöglichenden Gehäuse umgeben ist. Das Gehäuse ist mit seinem Lichtaustrittsbereich einstückig aus einem entsprechend gekürzten Stück Endlosprofil hergestellt. In die Innenseite der beiden Längswände des Gehäuses ist jeweils eine Nut zur Aufnahme der Leiterplatte eingeformt. Oftmals werden jedoch zur bedarfsgerechten Beleuchtung Lichteffekte benötigt, die mittels einer derart ausgestalteten Beleuchtungseinrichtung nicht realisiert werden können. Insbesondere, wenn eine bedarfsgerechte Beleuchtung von sich in Verkaufsregalen befindlichen Waren zu realisieren ist, können die damit einhergehenden Anforderungen nicht immer im notwendigen Maße erfüllt werden.A the preamble of the main claim corresponding lighting device is characterized by the DE 103 26 063 B4 known. This lighting device has a plurality of arranged on a circuit board, connectable via this to a supply network, lighting means, wherein the circuit board is surrounded by a targeted light emission enabling housing. The housing is made with its light exit area in one piece from a correspondingly shortened piece of continuous profile. In the inside of the two longitudinal walls of the housing in each case a groove for receiving the printed circuit board is formed. Often, however, light effects are needed for needs-based lighting, which can not be realized by means of such a designed lighting device. In particular, if needs-based lighting can be realized by goods located on store shelves, the associated requirements can not always be met to the necessary extent.

Der vorliegenden Erfindung liegt deshalb die Aufgabe zugrunde, eine Beleuchtungseinrichtung zu schaffen, deren Gehäuse nicht nur die Funktionselemente sicher geschützt vor aggressiven Umweltbedingungen aufnimmt und sich einstückig mit seinem Lichtaustrittsbereich auf einfache und preisgünstige Art und Weise mittels besonders weniger Arbeitsschritte herstellen lässt, sondern welches zudem die Möglichkeit bietet, zusätzlich ein separates Optikelement zur Lichtbeeinflussung geschützt aufzunehmen, um auf einfache Art und Weise Lichteffekte zu erzeugen, die in vielen Fällen für eine bedarfsgerechte Beleuchtung notwendig sind.The present invention is therefore an object of the invention to provide a lighting device whose housing not only the functional elements safely protected against aggressive environmental conditions and can be produced in one piece with its light exit area in a simple and inexpensive way by means of particularly fewer steps, but which also offers the possibility of additionally receiving a separate optical element for influencing the light, in order to generate light effects in a simple manner, which in many cases are necessary for an adequate lighting.

Diese Aufgabe wird durch die im Hauptanspruch angegebenen Merkmale gelöst. Bei einer solchermaßen ausgebildeten Beleuchtungseinrichtung ist besonders vorteilhaft, dass das zusätzlich aufgenommene Optikelement als separates Bauteil hergestellt und auf einfache Art und Weise mit einer, auf den jeweiligen Anwendungsfall abgestimmten Lichtbeeinflussungsstruktur versehen werden kann. Vorteilhafterweise kann dann ein solches Optikelement stabförmig ausgebildet sein und einfach in den Innenraum des Gehäuses der Beleuchtungseinrichtung eingeschoben werden, so dass eine auf die jeweiligen Beleuchtungsaufgaben (Anwendungsfall) optimal abgestimmte Beleuchtungseinrichtung zur Verfügung gestellt werden kann.This object is achieved by the features specified in the main claim. In a lighting device designed in this way, it is particularly advantageous that the additionally received optical element can be manufactured as a separate component and provided in a simple manner with a light influencing structure adapted to the respective application. Advantageously, such an optical element can then be designed rod-shaped and simply inserted into the interior of the housing of the illumination device, so that an illumination device optimally matched to the respective lighting tasks (application) can be made available.

Weitere vorteilhafte Ausgestaltungen des erfindungsgemäßen Gegenstandes sind in den Unteransprüchen angegeben. Anhand eines Ausführungsbeispieles sei der erfindungsgemäße Gegenstand näher beschrieben, dabei zeigen:

Fig. 1:
prinziphaft einen Vollschnitt der Beleuchtungseinrichtung, in räumlicher Darstellung;
Fig. 2:
prinziphaft eine am Befestigungsschenkel eines Regalbodens befestigte Beleuchtungseinrichtung in Zuordnung eines Preisschildträgers, im Schnitt.
Further advantageous embodiments of the subject invention are specified in the subclaims. Reference to an embodiment of the subject invention is described in detail, showing:
Fig. 1:
in principle, a full section of the lighting device, in a spatial representation;
Fig. 2:
in principle a fortified on the mounting leg of a shelf lighting device in association with a price tag carrier, in section.

Wie aus den Zeichnungen hervorgeht, besteht eine solche Beleuchtungseinrichtung hauptsächlich aus einem Gehäuse 1, in welchem eine an das Versorgungsnetz anschließbare Leiterplatte 2 angeordnet ist. Die Leiterplatte 2 ist mit mehreren, als LED ausgebildeten Leuchtmitteln 3 bestückt, und das die Leiterplatte 2 umgebende Gehäuse 1 weist zum gezielten Lichtaustritt einen Lichtaustrittsbereich 4 auf, dabei besteht das Gehäuse 1 mit seinem Lichtaustrittsbereich 4 einstückig aus einem entsprechend gekürzten Stück Endlosprofil. Zur sicheren Aufnahme der Leiterplatte 2 ist in die Innenseite der beiden Längswände des Gehäuses 1 jeweils eine Nut 5 eingeformt. Somit kann die Leiterplatte 2 ausgehend von einem der beiden Endbereiche des Gehäuses 1 bequem in dessen Innenraum eingeschoben werden.As can be seen from the drawings, such a lighting device consists mainly of a housing 1, in which a connectable to the power supply circuit board 2 is arranged. The printed circuit board 2 is equipped with a plurality of bulbs 3 designed as LED, and the housing 1 surrounding the printed circuit board 2 has a light exit region 4 for targeted light emission, the housing 1 with its light exit region 4 being made in one piece from a correspondingly shortened piece of endless profile. For secure mounting of the printed circuit board 2 is in the inside of the two longitudinal walls of the housing 1 each have a groove. 5 formed. Thus, the circuit board 2 can be inserted from one of the two end portions of the housing 1 comfortably in the interior thereof.

Der Lichtaustrittsbereich 4 ist zur gezielten Lichtbeeinflussung an seiner der Leiterplatte 2 zugewandten Innenseite einstückig mit einer Optikausbildung versehen, welche mehrere in Längsrichtung des Gehäuses 1 verlaufende, erste Rillen 7 aufweist. An seiner der Leiterplatte 2 abgewandten Außenseite weist der Lichtaustrittsbereich 4 eine Lichtauskoppelfläche 6 auf. Zur Aufnahme eines separaten Optikelementes 8 ist an die Innenseite der beiden Längswände des Gehäuses 1 jeweils eine Haltenase 9 angeformt. Das separate Optikelement 8 ist stabförmig ausgebildet und einstückig mit einer Lichtbeeinflussungsstruktur versehen, welche mehrere zweite Rillen 10 aufweist, die quer zur Längsrichtung des Gehäuses 1 verlaufen. Die Haltenasen 9 sind derart ausgebildet bzw. angebracht, so dass das Optikelement 8 unterhalb der Optikausbildung des Lichtaustrittsbereiches 4 ausgehend von einem der beiden Endbereiche des Gehäuses 1 bequem in dessen Innenraum eingeschoben werden kann.The light exit area 4 is provided for selective light influencing on its the printed circuit board 2 inside facing integrally with an optical education, which has a plurality of extending in the longitudinal direction of the housing 1, first grooves 7. On its outer side facing away from the printed circuit board 2, the light exit region 4 has a light output surface 6. For receiving a separate optical element 8, a retaining lug 9 is integrally formed on the inside of the two longitudinal walls of the housing 1. The separate optical element 8 is rod-shaped and integrally provided with a light influencing structure, which has a plurality of second grooves 10 which extend transversely to the longitudinal direction of the housing 1. The retaining lugs 9 are formed or mounted so that the optical element 8 can be inserted below the optical education of the light exit region 4, starting from one of the two end portions of the housing 1 comfortably in its interior.

Wie des Weiteren aus den Figuren hervorgeht, ist die Lichtbeeinflussungsstruktur gänzlich an die dem Lichtaustrittsbereich 4 zugewandte Oberseite des Optikelementes 8 angeformt. Die Lichtbeeinflussungsstruktur weist eine Vielzahl von quer zur Längsrichtung des Gehäuses 1 verlaufenden, zweiten Rillen 10 auf und bewirkt im Wesentlichen, dass das von den Leuchtmitteln 3 (LEDs) abgegebene Licht streuend beeinflusst wird. Das so streuend beeinflusste Licht wird der Optikausbildung mit ihren ersten Rillen 7 zugeführt, welche bewirkt, dass das Licht nochmals streuend beeinflusst wird, so dass über die Lichtauskoppelfläche 6 des Lichtaustrittsbereiches 4 ein breiter homogener Lichtkegel zur Beleuchtung nach außen abgegeben wird. Durch die unterschiedliche Ausgestaltung der Optikausbildung des Lichtaustrittsbereiches 4 und der Lichtbeeinflussungsstruktur des Optikelementes 8 wird das von den Leuchtmitteln 3 abgegebene Licht derart gelenkt und ausgerichtet, dass es zu einer gleichmäßigen Lichtüberlagerung mit gegebenenfalls homogener Farblichtmischung kommt. Wie bereits erwähnt, kommt es damit über den Lichtaustrittsbereich 4 zu einer definierten Lichtabstrahlung nach außen. Um den Einblick in das Gehäuse 1 zu verhindern, besteht der Lichtaustrittsbereich 4 des Gehäuses 1 aus transluzentem Kunststoff. Um die übrigen Gehäusebereiche Licht undurchlässig auszugestalten, wird das Gehäuse 1 als Extrusionsprofil im sogenannten 2K-Verfahren hergestellt, wobei die, nicht dem Lichtaustrittsbereich 4 zuzurechnenden Gehäusebereiche aus einem für Licht undurchlässigen Kunststoffmaterial bestehen.As can further be seen from the figures, the light-influencing structure is integrally formed on the upper side of the optical element 8 facing the light exit region 4. The light influencing structure has a multiplicity of second grooves 10 extending transversely to the longitudinal direction of the housing 1 and essentially causes the light emitted by the light sources 3 (LEDs) to be influenced in a scattering manner. The thus diffused influenced light is supplied to the optics education with their first grooves 7, which causes the light is again influenced scattering, so that on the light output surface 6 of the light exit region 4, a wide homogeneous beam of light is emitted for illumination to the outside. Due to the different design of the optical design of the light exit region 4 and the light influencing structure of the optical element 8, the light emitted by the light sources 3 is directed and aligned in such a way that a uniform light overlay with optionally homogeneous color light mixture occurs. As already mentioned, it thus comes about the light exit area 4 to a defined light emission to the outside. In order to prevent the view of the housing 1, the light exit region 4 of the housing 1 consists of translucent plastic. In order to make the remaining housing areas light impermeable, the housing is the first manufactured as an extrusion profile in the so-called 2K process, wherein the, not attributable to the light exit region 4 housing areas consist of a light-impermeable plastic material.

Wie des Weiteren insbesondere aus Figur 1 hervorgeht, sind die beiden Endbereiche des Gehäuses 1 jeweils durch ein Abschlussstück 11 verschlossen, wobei die beiden Abschlussstücke 11 mit dem Gehäuse 1 verschweißt sind, damit der Innenraum des Gehäuses wirkungsvoll vor Umwelteinflüssen geschützt ist. Eines der beiden Abschlussstücke 11 weist eine, der Einfachheit halber nicht dargestellte, Kabeldurchgangsöffnung auf. An jede der beiden Außenseiten der Längswände des Gehäuses 1 ist eine Rastleiste 12 angeformt, welche dafür vorgesehen sind, rastend mit Befestigungsmitteln zusammenzuwirken, die im vorliegenden Fall als Halteklammern K ausgeführt sind. Alle auf der Leiterplatte 2 vorhandenen Leuchtmittel 3 sind als LED ausgeführt und in einer in Längsrichtung des Gehäuses 1 verlaufenden Reihe angeordnet. Die Leiterplatte 2 ist dabei derart mit Leuchtmitteln 3 bestückt, so dass sich eine kalt-weißes Licht abgebende LED mit einer rotes Licht abgebenden LED abwechselt, weshalb im vorliegenden Fall auf eine gleichmäßige Lichtüberlagerung mit homogener Farblichtmischung besonderer Wert gelegt wird. Zur gezielten Ansteuerung der Leuchtmittel 3 ist die Leiterplatte 2 an eine, der Einfachheit halber nicht dargestellte, Steuereinrichtung angeschlossen.As further particularly from FIG. 1 shows, the two end portions of the housing 1 are each closed by a closure piece 11, wherein the two end pieces 11 are welded to the housing 1, so that the interior of the housing is effectively protected from environmental influences. One of the two end pieces 11 has a, for simplicity, not shown, cable passage opening. At each of the two outer sides of the longitudinal walls of the housing 1, a locking bar 12 is formed, which are intended to cooperate detent with fastening means, which are designed in the present case as retaining clips K. All existing on the circuit board 2 bulbs 3 are designed as LED and arranged in a running in the longitudinal direction of the housing 1 row. The printed circuit board 2 is in this case equipped with lighting means 3, so that a cold-white light emitting LED alternates with a red light emitting LED, which is why in the present case special emphasis is placed on a uniform light overlay with homogeneous color light mixture. For targeted control of the lighting means 3, the circuit board 2 is connected to a, for simplicity, not shown, control device.

Wie insbesondere aus Figur 2 hervorgeht, weist jede Halteklammer K einen ersten Endbereich zur Festlegung an einem Warenregal R auf, wobei dieser erste Endbereich als Montagehilfe mit einer Abwinklung versehen ist. Der zweite Endbereich der Halteklammer 4 ist zur Aufnahme der Beleuchtungseinrichtung vorgesehen und umfasst zu diesem Zweck das Gehäuse 1 der Beleuchtungseinrichtung partiell und kommt dabei rastend mit den beiden, an das Gehäuse 1 angeformten Rastleisten 12 in Wirkverbindung. Üblicherweise finden zur Befestigung der Beleuchtungseinrichtung am zugehörigen Befestigungsschenkel des Warenregals R drei oder vier Halteklammern K Verwendung. Beim vorliegenden Ausführungsbeispiel kommen zwei Halteklammern K zur Verwendung.As in particular from FIG. 2 shows, each retaining clip K has a first end portion for fixing to a goods rack R, said first end portion is provided as an assembly aid with an angled portion. The second end region of the retaining clip 4 is provided for receiving the illumination device and for this purpose comprises the housing 1 of the illumination device partially and comes detent with the two, integrally formed on the housing 1 locking strips 12 in operative connection. Usually find for fixing the lighting device on the associated mounting leg of the goods rack R three or four retaining clips K use. In the present embodiment, two retaining clips K are used.

Bei dem in Figur 2 prinziphaft dargestellten Warenregal R findet ein aus Metall hergestellter Regalboden Verwendung, welcher Bestandteil eines Kühlregals ist. Der Bodenbereich des Warenregals R ist zur Aufnahme der zu präsentierenden Waren vorgesehen, und ein rechtwinklig davon abgebogener Stirnbereich dient zur Befestigung eines Preisschildes bzw. zur Befestigung eines Preisschildträgers P. Wiederum rechtwinklig vom Stirnbereich ist der Befestigungsschenkel abgebogen, an dem die Beleuchtungseinrichtung über die damit in Verbindung stehenden Halteklammern K festgelegt wird. Der Befestigungsschenkel verläuft parallel zum Bodenbereich des Warenregals R.At the in FIG. 2 Basically illustrated R shelf R is a shelf made of metal use, which is part of a refrigerated shelf. Of the Ground area of the goods rack R is provided for receiving the goods to be presented, and a right angle bent therefrom end serves for fixing a price tag or for fixing a price tag carrier P. Again, at right angles from the front area of the mounting leg is bent at which the lighting device on the in connection standing retaining clips K is set. The mounting leg runs parallel to the bottom portion of the goods rack R.

Es ist somit eine Beleuchtungseinrichtung realisiert, deren Gehäuse 1 nicht nur die Funktionselemente sicher geschützt vor Umwelteinflüssen aufnimmt und sich einstückig mit seinem Lichtaustrittsbereich 4 auf einfache und preisgünstige Art und Weise mittels besonders weniger Arbeitsschritte herstellen lässt, sondern welches zudem die Möglichkeit bietet, zusätzlich ein separates Optikelement 8 zur bedarfsgerechten Lichtbeeinflussung geschützt aufzunehmen, um auf einfache Art und Weise Lichteffekte zu erzeugen, die in vielen Fällen für eine bedarfsgerechte Beleuchtung notwendig sind. Dabei ist das zusätzlich aufgenommene Optikelement 8 vorteilhafterweise als separates Bauteil hergestellt und auf einfache Art und Weise mit einer auf den jeweiligen Anwendungsfall abgestimmten Lichtbeeinflussungsstruktur zu versehen. Vorteilhafterweise kann dann ein solches stabförmig ausgebildetes Optikelement 8 einfach in den Innenraum des Gehäuses 1 der Beleuchtungseinrichtung eingeschoben werden. Es kann also eine Beleuchtungseinrichtung zur Verfügung gestellt werden, die auf einfache Art und Weise optimal auf die jeweiligen Beleuchtungsaufgaben abgestimmt ist.It is thus realized a lighting device, the housing 1 not only the functional elements safely protected against environmental influences and can be produced in one piece with its light exit area 4 in a simple and inexpensive way by means of particularly fewer steps, but also offers the possibility, in addition, a separate To receive optical element 8 protected for needs-based light influencing in order to easily create lighting effects that are necessary in many cases for a needs-based lighting. In this case, the additionally recorded optical element 8 is advantageously produced as a separate component and provided in a simple manner with a matched to the particular application light influencing structure. Advantageously, such a rod-shaped optical element 8 can then be simply inserted into the interior of the housing 1 of the illumination device. Thus, it can be made available a lighting device that is tuned in a simple manner optimally to the respective lighting tasks.

Bezugszeichenliste:LIST OF REFERENCE NUMBERS

1.1.
Gehäusecasing
2.Second
Leiterplattecircuit board
3.Third
LeuchtmittelLamp
4.4th
LichtaustrittsbereichLight output region
5.5th
Nutgroove
6.6th
Lichtauskoppelflächelight coupling
7.7th
Erste RillenFirst grooves
8.8th.
Optikelementoptical element
9.9th
Haltenaseretaining nose
10.10th
Zweite RillenSecond grooves
11.11th
Abschlussstückterminating piece
12.12th
Rastleistelocking strip
KK
Halteklammerretaining clip
PP
PreisschildträgerPrice tag holder
RR
Warenregalgoods shelf

Claims (19)

Beleuchtungseinrichtung mit mehreren auf einer Leiterplatte angeordneten, über diese an ein Versorgungsnetz anschließbaren Leuchtmitteln, wobei die Leiterplatte von einem einen gezielten Lichtaustritt ermöglichenden Gehäuse umgeben ist, und wobei das Gehäuse mit seinem Lichtaustrittsbereich einstückig aus einem entsprechend gekürzten Stück Endlosprofil besteht, und wobei in die Innenseite der beiden Längswände des Gehäuses jeweils eine Nut zur Aufnahme der Leiterplatte eingeformt ist, dadurch gekennzeichnet, dass der Lichtaustrittsbereich (4) zur gezielten Lichtbeeinflussung an seiner der Leiterplatte (2) zugewandten Innenseite einstückig mit einer Optikausbildung versehen ist, die mehrere in Längsrichtung des Gehäuses (1) verlaufende erste Rillen (7) aufweist, und dass der Lichtaustrittsbereich (4) an seiner der Leiterplatte (2) abgewandten Außenseite einstückig mit einer Lichtauskoppelfläche (6) versehen ist, und dass zur Aufnahme eines separaten Optikelementes (8) an die Innenseite der beiden Längswände des Gehäuses (1) jeweils zumindest eine Haltenase (9) angeformt ist, und dass das separate Optikelement (8) einstückig mit einer Lichtbeeinflussungsstruktur versehen ist.Lighting device having a plurality of arranged on a circuit board, connectable via this to a power supply bulbs, wherein the circuit board is surrounded by a targeted light emission enabling housing, and wherein the housing with its light exit region integrally consists of a correspondingly shortened piece of continuous profile, and wherein in the inside the two longitudinal walls of the housing in each case a groove for receiving the printed circuit board is formed, characterized in that the light exit region (4) for selective light influencing on its the printed circuit board (2) facing inside is integrally provided with an optical education, the more in the longitudinal direction of the housing ( 1) extending first grooves (7), and that the light exit region (4) on its the printed circuit board (2) facing away from the outer side integrally with a light output surface (6) is provided, and that for receiving a separate optical element (8) a n the inside of the two longitudinal walls of the housing (1) in each case at least one retaining lug (9) is integrally formed, and that the separate optical element (8) is integrally provided with a light influencing structure. Beleuchtungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das separate Optikelement (8) stabförmig ausgebildet ist.Lighting device according to claim 1, characterized in that the separate optical element (8) is rod-shaped. Beleuchtungseinrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Lichtbeeinflussungsstruktur des Optikelementes (8) mehrere zweite Rillen (10) aufweist, die quer zur Längsrichtung des Gehäuses (1) verlaufen.Lighting device according to claim 1 or 2, characterized in that the light influencing structure of the optical element (8) has a plurality of second grooves (10) extending transversely to the longitudinal direction of the housing (1). Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass zumindest ein Teil der Lichtbeeinflussungsstruktur an die der Leiterplatte (2) zugewandte Unterseite des Optikelementes (8) angeformt ist.Lighting device according to one of claims 1 to 3, characterized in that at least part of the light influencing structure to the the printed circuit board (2) facing bottom of the optical element (8) is integrally formed. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass zumindest ein Teil der Lichtbeeinflussungsstruktur an die dem Lichtaustrittsbereich (4) zugewandte Oberseite des Optikelementes (8) angeformt ist.Lighting device according to one of claims 1 to 4, characterized in that at least a part of the light influencing structure to the light exit area (4) facing top of the optical element (8) is integrally formed. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Optikelement (8) zumindest überwiegend Licht streuend ausgeführt ist.Lighting device according to one of claims 1 to 5, characterized in that the optical element (8) is designed at least predominantly light scattering. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Optikausbildung des Lichtaustrittsbereiches (4) zumindest überwiegend Licht streuend ausgeführt ist.Lighting device according to one of claims 1 to 6, characterized in that the optical education of the light exit region (4) is designed at least predominantly light scattering. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 7 dadurch gekennzeichnet, dass der erste Endbereich des Gehäuses (1) und der zweite Endbereich des Gehäuses (1) jeweils durch ein Abschlussstück (11) verschlossen ist.Lighting device according to one of claims 1 to 7, characterized in that the first end portion of the housing (1) and the second end portion of the housing (1) is closed by a respective end piece (11). Beleuchtungseinrichtung nach Anspruch 8, dadurch gekennzeichnet, dass zumindest eines der Abschlussstücke (11) mit einer Kabeldurchgangsöffnung versehen ist.Lighting device according to claim 8, characterized in that at least one of the end pieces (11) is provided with a cable passage opening. Beleuchtungseinrichtung nach einem der Ansprüche 8 oder 9, dadurch gekennzeichnet, dass zumindest ein Abschlussstück (11) mit einem einerseits eine Kontaktierung zur Leiterplatte (2) herstellenden und andererseits eine Verbindungsmöglichkeit mit dem Versorgungsnetz und/oder anderen Beleuchtungseinrichtungen schaffenden Steckerteil versehen ist.Lighting device according to one of claims 8 or 9, characterized in that at least one end piece (11) is provided with a one hand, a contact to the circuit board (2) producing and on the other hand, a connection possibility with the supply network and / or other lighting devices creating connector part. Beleuchtungseinrichtung nach einem der Ansprüche 8 bis 10, dadurch gekennzeichnet, dass zumindest ein Abschlussstück (11) mit einem Dichtmittel versehen ist.Lighting device according to one of claims 8 to 10, characterized in that at least one end piece (11) is provided with a sealing means. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, dass an die Außenseite jeder Längswand des Gehäuses (1) zumindest eine zur Aufnahme von Befestigungsmitteln dienende Rastleiste (12) angeformt ist.Lighting device according to one of claims 1 to 11, characterized in that on the outside of each longitudinal wall of the housing (1) at least one serving for receiving fastening means locking strip (12) is integrally formed. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass zumindest ein Teil des Lichtaustrittsbereiches (4) des Gehäuses (1) aus transparentem Kunststoff besteht.Lighting device according to one of claims 1 to 12, characterized in that at least part of the light exit region (4) of the housing (1) consists of transparent plastic. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, dass zumindest ein Teil des Lichtaustrittsbereiches (4) des Gehäuses (1) aus transluzentem Kunststoff besteht.Lighting device according to one of claims 1 to 13, characterized in that at least part of the light exit region (4) of the housing (1) consists of translucent plastic. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass zumindest ein Teil der Leuchtmittel (3) als LEDs ausgebildet sind.Lighting device according to one of claims 1 to 14, characterized in that at least part of the lighting means (3) are formed as LEDs. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 15, dadurch gekennzeichnet, dass die auf der Leiterplatte (2) vorhandenen Leuchtmittel (3) in zumindest einer Reihe angeordnet sind.Lighting device according to one of claims 1 to 15, characterized in that on the circuit board (2) existing lighting means (3) are arranged in at least one row. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 16, dadurch gekennzeichnet, dass die Leuchtmittel (3) in zumindest zwei parallel zueinander verlaufenden Reihen auf der Leiterplatte (2) angeordnet sind.Lighting device according to one of claims 1 to 16, characterized in that the lighting means (3) are arranged in at least two mutually parallel rows on the printed circuit board (2). Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 17, dadurch gekennzeichnet, dass die Leuchtmittel (3) Licht in zumindest zwei verschiedenen Lichtfarben abstrahlen.Lighting device according to one of claims 1 to 17, characterized in that the lighting means (3) emit light in at least two different light colors. Beleuchtungseinrichtung nach einem der Ansprüche 1 bis 18, dadurch gekennzeichnet, dass die Leuchtmittel (3) mit einer Steuerungseinrichtung in Verbindung stehen, wodurch diese gezielt zur Erzeugung von Lichteffekten ansteuerbar sind.Lighting device according to one of claims 1 to 18, characterized in that the lighting means (3) are in communication with a control device, whereby they can be controlled specifically for generating light effects.
EP14175537.1A 2013-09-19 2014-07-03 Illumination device Active EP2851609B1 (en)

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