EP2257735B1 - Illumination device - Google Patents

Illumination device Download PDF

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Publication number
EP2257735B1
EP2257735B1 EP09727191A EP09727191A EP2257735B1 EP 2257735 B1 EP2257735 B1 EP 2257735B1 EP 09727191 A EP09727191 A EP 09727191A EP 09727191 A EP09727191 A EP 09727191A EP 2257735 B1 EP2257735 B1 EP 2257735B1
Authority
EP
European Patent Office
Prior art keywords
light
circuit board
printed circuit
installation according
lighting installation
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.)
Not-in-force
Application number
EP09727191A
Other languages
German (de)
French (fr)
Other versions
EP2257735A1 (en
Inventor
Udo Schauer
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.)
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Publication date
Application filed by Insta Elektro GmbH and Co KG filed Critical Insta Elektro GmbH and Co KG
Publication of EP2257735A1 publication Critical patent/EP2257735A1/en
Application granted granted Critical
Publication of EP2257735B1 publication Critical patent/EP2257735B1/en
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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
    • 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
    • F21V19/0045—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by tongue and groove connections, e.g. dovetail interlocking means fixed by sliding
    • 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
    • F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
    • F21V11/02—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using parallel laminae or strips, e.g. of Venetian-blind type
    • 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
    • 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
    • F21V17/16—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 by deformation of parts; Snap action mounting
    • F21V17/164—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 by deformation of parts; Snap action mounting the parts being subjected to bending, e.g. snap joints
    • 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
    • F21V19/004—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by deformation of parts or snap action mountings, e.g. using clips
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
    • F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/004—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board
    • F21V23/006—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array arranged on a substrate, e.g. a printed circuit board the substrate being distinct from the light source holder
    • 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
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier
    • F21V23/026—Fastening of transformers or ballasts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/76—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section
    • F21V29/763—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical parallel planar fins or blades, e.g. with comb-like cross-section the planes containing the fins or blades having the direction of the light emitting axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/107—Outdoor lighting of the exterior of buildings
    • 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]

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The invention relates to an illumination device consisting essentially of at least one first printed circuit board (1) which is provided with a plurality of illuminants and is used to connect the illuminants to the supply network. The first printed circuit board is received by a housing (2) enabling the targeted light emergence, the housing comprising a guide rail arrangement (3) for receiving the first printed circuit board. Said housing is a single component consisting of a correspondingly shortened part of a continuous profiled element comprising a light emergence region (4). In order to create an illumination device wherein it is ensured in an especially simple manner that the light emitted by the illuminants or the light-emitting diodes is especially efficiently converted into useful light for the illumination device, and at the same time that there is good heat dissipation of the heat produced by the illuminants, the main surface of the first printed circuit board provided with the illuminants, facing the light emergence region, rests on the rear side of a light shielding device, facing away from the light emergence region, and the first printed circuit board and the light shielding device are both received by the guide rail arrangement in a fixed manner under spring action, said guide rail arrangement being formed on the inner surface of the housing, opposite the light emergence region.

Description

Die vorliegende Erfindung geht von einer gemäß dem 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 befindlichen Gegenständen und/oder für eine gezielte Einkoppelung von Licht in Gegenstände zu sorgen. Oftmals sind heutzutage die Anforderungen an solche Beleuchtungseinrichtungen derart, dass sie zum einen auch unter widrigen Umgebungsbedingungen über einen langen Zeitraum störungsfrei funktionieren müssen und zum anderen in der Lage sind, Licht in einer bestimmten bzw. gewünschten Lichtfarbe abzugeben, ohne dass es in Randbereichen des erzeugten Lichtkegels der Leuchte zu störenden Lichterscheinungen kommt. Des weiteren wird es heutzutage immer wichtiger, dass das von den Leuchtmitteln abgestrahlte Licht so effizient wie möglich von der Leuchte in Nutzlicht umgesetzt wird.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 located directly in their environment and / or for a targeted coupling of light into objects. Often these days, the requirements for such lighting devices are such that they have to function without interference even under adverse environmental conditions over a long period of time and, secondly, are able to emit light in a specific or desired light color without it being generated in peripheral areas of the light Light cone of the light to disturbing light phenomena comes. Furthermore, it is becoming increasingly important nowadays that the light emitted by the light sources is converted as efficiently as possible from the light into useful light.

Durch die DE 103 26 063 B4 ist eine dem Oberbegriff des Hauptanspruches entsprechende Beleuchtungseinrichtung bekannt geworden. Diese Beleuchtungseinrichtung weist mehrere auf zumindest einer ersten Leiterplatte angeordnete, über diese an das Versorgungsnetz anschließbare Leuchtmittel auf, wobei die erste Leiterplatte von einem den gezielten Lichtaustritt ermöglichenden Gehäuse aufgenommen ist und wobei das Gehäuse zur Aufnahme der ersten Leiterplatte eine Führungsschienenanordnung aufweist und wobei das Gehäuse einstückig aus einem entsprechend gekürzten, mit einem Lichtaustrittsbereich versehenen Stück Endlosprofil besteht. Die auf der ersten Leiterplatte angeordneten Leuchtmittel sind als Leuchtdioden ausgeführt. Bei einer solchen Beleuchtungseinrichtung ist jedoch nicht in jedem Fall gewährleistet, dass das von den Leuchtmitteln bzw. Leuchtdioden erzeugte Licht dem Lichtaustrittsbereich derart zugeführt wird, so dass der von der Beleuchtungseinrichtung erzeugte Lichtkegel frei von störenden Effekten bleibt. Auch ist nicht immer eine effiziente Umsetzung des von den Leuchtmitteln abgestrahlten Lichts in Nutzlicht der Beleuchtungseinrichtung bei gleichzeitig guter Wärmeableitung gewährleistet. Eine gute Wärmeableitung ist insbesondere dann besonders wichtig, wenn Hochstromleuchtdioden zur Anwendung kommen sollen.By the DE 103 26 063 B4 has become known to the preamble of the main claim lighting device. This lighting device has a plurality of arranged on at least one first printed circuit board, connectable via this to the mains lighting, wherein the first printed circuit board is received by a targeted light emission enabling housing and wherein the housing for receiving the first circuit board has a guide rail assembly and wherein the housing in one piece consists of a correspondingly shortened, provided with a light exit area piece endless profile. The lamps arranged on the first printed circuit board are designed as light-emitting diodes. In such a lighting device, however, it is not guaranteed in every case that the light generated by the light sources or light emitting diodes is such in the light exit region is supplied, so that the light cone generated by the lighting device remains free of disturbing effects. Also, an efficient implementation of the light emitted by the light bulbs in useful light of the lighting device is not always guaranteed with good heat dissipation. Good heat dissipation is particularly important, especially when high-current light-emitting diodes are to be used.

Die US 2007/098334 wird als nächst liegender Stand der Technik angesehen und offenbart die Merkmale des Oberbegriffs.The US 2007/098334 is considered the closest prior art and discloses the features of the preamble.

Der vorliegenden Erfindung liegt deshalb die Aufgabe zugrunde, eine Beleuchtungseinrichtung zu schaffen, bei der auf besonders einfache Art und Weise sicher gestellt ist, dass das von den Leuchtmitteln bzw. Leuchtdioden abgestrahlte Licht besonders effizient in Nutzlicht der Beleuchtungseinrichtung umgesetzt wird und gleichzeitig eine gute Wärmeableitung der von den Leuchtmitteln erzeugten Wärme gewährleistet ist. Zudem soll die Aufgabe gelöst sein, dass dem Lichtaustrittsbereich der Beleuchtungseinrichtung das von den Leuchtmitteln abgestrahlte Licht derart zugeführt wird, dass der von der Beleuchtungseinrichtung erzeugte Lichtkegel frei von störenden Effekten bleibt.The present invention is therefore based on the object to provide a lighting device in which is ensured in a particularly simple manner that the light emitted by the light emitting means or light emitting diode is particularly efficiently converted into useful light of the lighting device and at the same time a good heat dissipation of guaranteed by the bulbs heat is guaranteed. In addition, the object is to be achieved that the light emitted by the bulbs light is supplied to the light exit region of the illumination device such that the light cone generated by the illumination device remains free of disturbing effects.

Diese Aufgabe wird durch die im Hauptanspruch angegebenen Merkmale gelöst. Bei einer solchermaßen ausgebildeten Beleuchtungseinrichtung ist besonders vorteilhaft, dass den Leuchtmitteln bzw. Leuchtdioden eine Lichtabschottungseinrichtung derart zugeordnet ist, dass nahezu das gesamte von den Leuchtdioden bzw. Leuchtmitteln abgestrahlte Licht zielgerichtet und dabei farbstörungsfrei dem Lichtauskoppelbereich der Beleuchtungseinrichtung zugeführt wird. Weiterhin ist besonders vorteilhaft, wenn der Lichtabschottungseinrichtung an ihrer dem Lichtaustrittsbereich zugewandten Vorderseite eine Lichtbeeinflussungseinrichtung zugeordnet ist.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 lighting means or light emitting diodes is associated with a Lichtabschottungseinrichtung such that almost all of the light emitting diodes or bulbs light targeted and thereby colorless is supplied to the Lichtauskoppelbereich the lighting device. Furthermore, it is particularly advantageous if the Lichtabschottungseinrichtung is associated with a light influencing device on its front side facing the light exit area.

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 die Draufsicht eines Ausschnittes einer Beleuchtungseinrichtung räumlich;
Fig. 2:
prinziphaft eine Seitenansicht eines Teilbereiches der Beleuchtungseinrichtung gemäß Figur 1 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:
principle, the plan view of a section of a lighting device spatially;
Fig. 2:
in principle, a side view of a portion of the illumination device according to FIG. 1 on average.

Wie aus den Figuren hervorgeht, besteht eine solche Beleuchtungseinrichtung hauptsächlich aus einer mehrere als Leuchtdioden ausgebildete Leuchtmittel (LED) aufweisenden ersten Leiterplatte 1, wobei die erste Leiterplatte 1 von einem den gezielten Lichtaustritt ermöglichenden Gehäuse 2 aufgenommen ist und wobei das Gehäuse 2 zur Aufnahme der ersten Leiterplatte 1 eine Führungsschienenanordnung 3 aufweist und wobei das Gehäuse 2 einstückig aus einem entsprechend gekürzten, einen Lichtaustrittsbereich 4 aufweisenden Stück Endlosprofil besteht. Im vorliegenden Fall ist das Gehäuse 2 als Strangpressprofil ausgeführt und aus Aluminium hergestellt. Der Lichtaustrittsbereich 4 ist anschließend durch spangebende Bearbeitung aus dem Strangpressprofil herausgearbeitet, so dass der Lichtaustrittsbereich 4 des Gehäuses 2 umlaufend eine nicht unterbrochene, einstückig angeformte Auflagefläche 5 aufweist. Die Auflagefläche 5 ist dazu vorgesehen, eine den Lichtaustrittsbereich 4 abdeckende Schutzscheibe 6 aufzunehmen. Damit eine gegen widrige Umwelteinflüsse, wie Staub, Feuchtigkeit, Wasser usw. besonders dichte Anordnung entsteht, ist die Schutzscheibe 6 mit der Auflagefläche 5 des Lichtaustrittsbereiches 4 des Gehäuses 2 verklebt.As can be seen from the figures, such a lighting device mainly consists of a plurality of light emitting diodes designed as a light emitting diode (LED) having first printed circuit board 1, wherein the first printed circuit board 1 is received by a targeted light emission enabling housing 2 and wherein the housing 2 for receiving the first Printed circuit board 1 has a guide rail assembly 3 and wherein the housing 2 consists of a piece of a correspondingly shortened, a light exit region 4 having piece of endless profile. In the present case, the housing 2 is designed as an extruded profile and made of aluminum. The light exit region 4 is then machined out of the extruded profile by machining, so that the light exit region 4 of the housing 2 has circumferentially an uninterrupted, integrally formed bearing surface 5. The support surface 5 is intended to receive a protective screen 6 covering the light exit region 4. In order to create a particularly dense arrangement against adverse environmental influences, such as dust, moisture, water, etc., the protective pane 6 is glued to the bearing surface 5 of the light exit region 4 of the housing 2.

Wie des weiteren aus den Figuren hervorgeht, ist die mit den Leuchtmitteln (LED) bzw. Leuchtdioden versehe erste Leiterplatte 1 mit ihrer dem Lichtaustrittsbereich 4 zugewandten Hauptfläche einer Lichtabschottungseinrichtung 7 zugeordnet. Dabei kommt die erste Leiterplatte 1 an der dem Lichtaustrittsbereich 4 abgewandten Rückseite der Lichtabschottungseinrichtung 7 zur Anlage. Damit eine exakte Festlegung der ersten Leiterplatte 1 und der Lichtabschottungseinrichtung 7 im Innenraum des Gehäuses 2 gewährleistet ist, wird sowohl die erste Leiterplatte 1 als auch die Lichtabschottungseinrichtung 7 unter Federwirkung von der Führungsschienenanordnung 3 aufgenommen. Zu diesem Zweck ist an die Rückseite der Lichtabschottungseinrichtung 7 ein Führungsrahmen 8 angeformt, an dem einerseits die als Blattfedern ausgebildeten Federelemente 9 befestigt sind und an der andererseits die erste Leiterplatte 1 mit ihrer dem Lichtaustrittsbereich 4 zugewandten Hauptfläche zur Anlage kommt. Damit die erste Leiterplatte 1 positionsgesichert an dem Führungsrahmen 8 festgelegt ist, sind diese miteinander verschraubt. Um eine höhere Stabilität des Führungsrahmens 8 zu erreichen, ist dieser zusätzlich mit einem Versteifungsrahmen versehen. Die Führungsschienenanordnung 3 ist an die Innenfläche des Gehäuses 2 angeformt, welche dem Lichtaustrittsbereich 4 gegenüberliegend angeordnet ist. Im vorliegenden Fall sind vom Gehäuse 2 zwei jeweils mit mehreren Leuchtdioden bestückte erste Leiterplatten 1, wie vorstehend beschrieben, aufgenommen. Es kann genauso gut auch eine einzige erste Leiterplatte 1 oder aber mehr als zwei Leiterplatten 1 zur Anwendung kommen. Die beiden ersten Leiterplatten 1 sind über zwei weitere Leiterplatten 10 an das Versorgungsnetz angeschlossen, wobei die beiden weiteren Leiterplatten 10 senkrecht zu den beiden ersten Leiterplatten 1 angeordnet im Innenraum des Gehäuses 2 aufgenommen sind. Zur Festlegung der beiden weiteren Leiterplatten 10 sind in zwei innere, sich gegenüberliegende Seitenwände des Gehäuses 2 Führungsnuten 11 eingeformt, in welche die beiden weiteren Leiterplatten 10 jeweils mit ihren beiden Längskantenbereichen eingreifen. Die beiden weiteren Leiterplatten 10 sind zum Anschluss der Leuchtdioden an das Netz mit entsprechenden Bauteilen bzw. elektrischen Komponenten bestückt. Außerdem sind die beiden weiteren Leiterplatten 10 mit einer Steuereinrichtung versehen, damit auf einfache Art und Weise z. B. eine gewünschte Lichtfarbe und/oder Lichtszene von der Beleuchtungseinrichtung erzeugt werden kann. Über einen in das Gehäuse 2 integrierten Anschlusskasten 19 sind die zum Anschluss notwendigen elektrischen Leitungen nach außen geführt. Die für den Anschlusskasten 19 notwendige Ausnehmung wird ebenfalls durch eine spangebende Bearbeitung aus dem Strangpressprofil bzw. Gehäuse 2 herausgearbeitet. Somit ist es möglich, einen mit der Außenfläche des Gehäuses 2 bündigen Anschlusskasten 19 zu realisieren, welcher mit einem entsprechend ausgebildeten in die Außenfläche des Gehäuses 2 integrierten -der Einfachheit halber nicht dargestellten- Deckelteil dichtend verschlossen ist. Stirnseitig ist das Gehäuse 2 jeweils dichtend mit einer entsprechend formschön gestalteten -der Einfachheit halber nicht dargestellten- Stirnkappe verschlossen. Dabei sind jeweils Dichtelemente vorgesehen, so dass der Innenraum des Gehäuses 2 wirkungsvoll gegen widrige Umwelteinflüsse, wie Staub, Feuchtigkeit, Wasser usw. geschützt ist.As can further be seen from the figures, the first printed circuit board 1, which is provided with the light sources (LED) or light emitting diodes, is associated with a light sealing device 7 with its main surface facing the light exit region 4. In this case, the first printed circuit board 1 comes to rest on the rear side of the Lichtabschottungseinrichtung 7 facing away from the light exit region 4. So that an exact fixing of the first printed circuit board 1 and Lichtabschottungseinrichtung 7 is ensured in the interior of the housing 2, both the first circuit board 1 and the Lichtabschottungseinrichtung 7 is received by the guide rail assembly 3 under spring action. For this purpose, a guide frame 8 is integrally formed on the back of the Lichtabschottungseinrichtung 7, on the one hand, the leaf springs designed as spring elements 9 are fixed and on the other hand, the first circuit board 1 with its the light exit region 4 facing the main surface comes into contact. In order for the first circuit board 1 to be fixed in position on the guide frame 8, these are connected to one another screwed. In order to achieve a higher stability of the guide frame 8, this is additionally provided with a stiffening frame. The guide rail assembly 3 is formed on the inner surface of the housing 2, which is arranged opposite the light exit region 4. In the present case, two of the housing 2 each equipped with a plurality of light emitting diodes first printed circuit boards 1, as described above, added. It can just as well a single first circuit board 1 or more than two circuit boards 1 are used. The two first printed circuit boards 1 are connected via two further printed circuit boards 10 to the supply network, wherein the two other printed circuit boards 10 are arranged perpendicular to the two first printed circuit boards 1 are accommodated in the interior of the housing 2. To define the two further printed circuit boards 10, two guide grooves 11 are formed in two inner, opposite side walls of the housing, into which the two further printed circuit boards 10 each engage with their two longitudinal edge regions. The two further printed circuit boards 10 are equipped to connect the LEDs to the network with corresponding components or electrical components. In addition, the two other circuit boards 10 are provided with a control device so that in a simple manner z. B. a desired light color and / or light scene can be generated by the lighting device. About a built-in housing 2 terminal box 19 necessary for connection electrical lines are led to the outside. The necessary for the connection box 19 recess is also worked out by a cutting machining of the extruded profile or housing 2. Thus, it is possible to realize a flush with the outer surface of the housing 2 terminal box 19, which is sealingly sealed with a correspondingly formed in the outer surface of the housing 2 integrated-for simplicity not shown- cover part. The front side of the housing 2 is sealed in each case with a correspondingly shapely designed -for the sake of simplicity not shown- closed end cap. In each case, sealing elements are provided, so that the interior of the housing 2 is effectively protected against adverse environmental influences, such as dust, moisture, water, etc.

Wie des weiteren aus den beiden Figuren hervorgeht, sind den auf der ersten Leiterplatte 1 befindlichen Leuchtdioden Reflektoren 12 zugeordnet. Jeder Reflektor 12 weist einstückig drei Reflektorkammem auf und ist einstückig drei Leuchtdioden bzw. Leuchtmitteln (LED) zugeordnet. Damit eine positionsgerechte Festlegung der Reflektoren 12 in Bezug auf die Leuchtdioden auf einfache Art und Weise möglich ist, sind an diese zwei Haltefüße angeformt, welche in entsprechend exakt positionierte Halteausnehmungen der ersten Leiterplatte 1 eingreifen. Im vorliegenden Fall sind die drei einstückig im Reflektor 12 vorhandenen Reflektorkammern linienförmig angeordnet.As can further be seen from the two figures, reflectors 12 are assigned to the light-emitting diodes located on the first printed circuit board 1. Every reflector 12 has integrally three reflector chambers and is integrally associated with three light-emitting diodes or light sources (LED). Thus, a positionally appropriate fixing of the reflectors 12 in relation to the light-emitting diodes in a simple manner possible, are formed on these two holding feet, which engage in correspondingly accurately positioned retaining recesses of the first circuit board 1. In the present case, the three integrally present in the reflector 12 reflector chambers are arranged linearly.

Wie insbesondere aus Figur 1 hervorgeht, weist die Führungsschienenanordnung 3 zwei einstückig an das Gehäuse 2 angeformte Führungseinrichtungen auf. Jede der beiden Führungseinrichtungen ist einstückig mit einer Lagerschiene 13 und einer Halteschiene 14 versehen. Die dem Lichtaustrittsbereich 4 abgewandte Hauptfläche der ersten Leiterplatte 1 kommt auf den beiden Lagerschienen 13 zur Anlage und die an die Lichtabschottungseinrichtung 7 angebrachten, die Federwirkung erzeugenden Federelemente 9 wirken mit den beiden Halteschienen 14 zusammen. Erst nachdem die erste Leiterplatte 1 an der Rückseite der Lichtabschottungseinrichtung 7 festgelegt worden ist, werden diese beiden Baugruppen zur positionsgerechten Festlegung gemeinsam in die Führungsschienenanordnung 3 eingeschoben und damit lagegerecht vom Gehäuse 2 aufgenommen. Nachdem die Lichtabschottungseinrichtung 7 und die erste Leiterplatte 1 gemeinsam gänzlich in die Führungsschienenanordnung 3 eingeschoben worden sind, wird zur Erhöhung der Federkraft zwischen die an der Lichtabschottungseinrichtung 7 angebrachten Federelemente 9 und die beiden Halteschienen 14 jeweils ein Druckstab 15 eingeschoben. So ist es möglich, dass die Leiterplatte 1 zusammen mit der Lichtabschottungseinrichtung 7 bei geringer Federwirkung einfach im Gehäuse 2 platziert werden kann und trotzdem der für eine gute Wärmeableitung notwendige Anpressdruck zwischen Gehäuse 2 und erster Leiterplatte 1 erzeugt wird. Weil nämlich die Tragstruktur der ersten Leiterplatte 1 aus Metall gefertigt ist und das Gehäuse 2 aus Aluminium besteht, ist eine besonders gute Wärmeableitung der von den elektronischen Bauteilen erzeugten Wärme sichergestellt. Auch die von den Leuchtdioden erzeugte Wärme wird besonders gut an das aus Aluminium bestehende Gehäuse 2 abgeleitet. Im vorliegenden Fall sind die Leuchtdioden als Hochstromleuchtdioden ausgebildet, welche vergleichsweise große Lichtmengen, aber auch große Wärmemengen erzeugen. Durch die vorstehend beschriebenen Maßnahmen ist sichergestellt, dass die erzeugte Wärme optimal an die Außenwände des Gehäuses 2 und damit an die Umgebung abgegeben wird. Um diesen Prozess weiter positiv zu beeinflussen, weist zumindest eine Außenwand des Gehäuses 2 entsprechend angeformte Kühlrippen 16 auf. Gegebenenfalls können diese Kühlrippen 16 derart ausgeführt werden, so dass sie auf einfache Art und Weise zur Aufnahme von Befestigungselementen ausgenutzt werden können.As in particular from FIG. 1 shows, the guide rail assembly 3 has two integrally formed on the housing 2 guide means. Each of the two guide devices is integrally provided with a bearing rail 13 and a support rail 14. The main surface of the first printed circuit board 1 facing away from the light exit region 4 comes into abutment on the two bearing rails 13 and the spring elements 9, which produce the spring effect, act together with the two retaining rails 14. Only after the first printed circuit board 1 has been fixed to the back of Lichtabschottungseinrichtung 7, these two modules are inserted for positionally appropriate determination together in the guide rail assembly 3 and thus accurately received by the housing 2. After the Lichtabschottungseinrichtung 7 and the first circuit board 1 have been jointly inserted completely into the guide rail assembly 3, a pressure rod 15 is inserted to increase the spring force between the attached to the Lichtabschottungseinrichtung 7 spring elements 9 and the two support rails 14. Thus, it is possible that the printed circuit board 1 together with the Lichtabschottungseinrichtung 7 can be easily placed in the housing 2 with low spring action and still the necessary for a good heat dissipation contact pressure between the housing 2 and the first circuit board 1 is generated. Namely, since the support structure of the first circuit board 1 is made of metal and the housing 2 is made of aluminum, a particularly good heat dissipation of the heat generated by the electronic components is ensured. The heat generated by the LEDs is particularly well derived from the aluminum housing 2. In the present case, the light-emitting diodes are designed as high-current light-emitting diodes, which generate comparatively large amounts of light, but also large amounts of heat. By the above-described Measures is ensured that the heat generated is optimally discharged to the outer walls of the housing 2 and thus to the environment. In order to further positively influence this process, at least one outer wall of the housing 2 has correspondingly shaped cooling fins 16. Optionally, these cooling fins 16 can be made such that they can be utilized in a simple manner for receiving fasteners.

Wie des weiteren aus den beiden Figuren hervorgeht, ist die Lichtabschottungseinrichtung 7 aus Blech hergestellt und weist mehrere Kammern auf. Jede Kammer ist trichterförmig ausgeführt, wobei die der Hauptfläche der ersten Leiterplatte 1 zugewandte Rückseite die kleine Öffnung und die dem Lichtaustrittsbereich 4 zugewandte Vorderseite die große Öffnung aufweist. Dabei ist in der Figur 1 der Blick frontal auf eine der Schottwände 17 einer Kammer gerichtet, wohingegen in Figur 2 die Schottwände 17 im Schnitt dargestellt sind. In Figur 2 sind alle übrigen Wände der Lichtabschottungseinrichtung 7 ausgeblendet d.h. nicht dargestellt. Im vorliegenden Fall weist die Lichtabschottungseinrichtung 7 insgesamt acht Kammern auf. Jede Kammer der Lichtabschottungseinrichtung 7 umfasst lichtabschottend eine Reflektoranordnung 12 mit den drei zugehörigen Leuchtdioden. Jeder Kammer der Lichtabschottungseinrichtung 7 ist an ihrer dem Lichtaustrittsbereich 4 zugewandten Vorderseite eine Lichtbeeinflussungseinrichtung 18 zugeordnet. Die Lichtbeeinflussungseinrichtung 18 ist jedoch nur einmal prinziphaft in Figur 2 dargestellt. Jede Lichtbeeinflussungseinrichtung 18 besteht aus drei plattenförmigen Optiken, wovon die erste plattenförmige Optik dazu vorgesehen ist, dass von den Leuchtdioden erzeugte Licht wunschgemäß zu richten, die zweite plattenförmige Optik dazu vorgesehen ist, dass Licht zu mischen und die dritte plattenförmige Optik dazu vorgesehen ist, die gewünschte Lichtabstrahlungscharakteristik zu erzeugen. Wie bereits vorstehend beschrieben, ist darüberliegend eine klartransparente Schutzscheibe 6 vorgesehen, die den gesamten Lichtaustrittsbereich 4 des Gehäuses 2 abdeckt. Durch Verklebung ist die zugeordnete Schutzscheibe 6 mit dem Gehäuse 2 verbunden.As can further be seen from the two figures, the Lichtabschottungseinrichtung 7 is made of sheet metal and has a plurality of chambers. Each chamber is funnel-shaped, wherein the main surface of the first printed circuit board 1 facing the rear side of the small opening and the light exit region 4 facing front has the large opening. It is in the FIG. 1 the view is directed frontally on one of the bulkheads 17 of a chamber, whereas in FIG. 2 the bulkheads 17 are shown in section. In FIG. 2 are all other walls of Lichtabschottungseinrichtung 7 hidden ie not shown. In the present case, the Lichtabschottungseinrichtung 7 a total of eight chambers. Each chamber of Lichtabschottungseinrichtung 7 includes lichtabschottend a reflector assembly 12 with the three associated light-emitting diodes. Each chamber of Lichtabschottungseinrichtung 7 is assigned at its the light exit region 4 facing the front of a light influencing device 18. However, the light influencing device 18 is only once in principle in FIG. 2 shown. Each light influencing device 18 consists of three plate-shaped optics, of which the first plate-shaped optics is provided to direct the light generated by the LEDs as desired, the second plate-shaped optics is provided to mix the light and the third plate-shaped optics is provided to desired light emission characteristic to produce. As already described above, a clear transparent protective screen 6 is provided overlying the entire light exit region 4 of the housing 2. By gluing the associated protective plate 6 is connected to the housing 2.

Claims (15)

  1. Lighting installation having several illuminants arranged on at least one first printed circuit board by means of which they can be connected to the power supply network, with the first printed circuit board being accommodated in an enclosure facilitating specific light emission and with the enclosure having a guide rail arrangement for the purpose of supporting the first printed circuit board, and with the enclosure consisting of an integral, appropriately shortened piece of continuous profile featuring a light emitting zone, with the first printed circuit board and the light partitioning facility being jointly accommodated in the guide rail arrangement in a retaining fashion under spring action, characterised in that the first printed circuit board (1) provided with the illuminants (LED) comes to rest with its main surface facing the light emitting zone (4) on the rear side of a light partitioning facility (7) facing away from the light emitting zone (4), and that the first printed circuit board (1) and the light partitioning facility (7) are held by a spring in the guide rail arrangement (3) which is formed onto the inner surface of the enclosure (2) opposite the light emitting zone (4).
  2. Lighting installation according to Claim 1, characterised in that at least one further printed circuit board (10) extending parallel to the first printed circuit board (1) is accommodated by the enclosure (2) and that this further printed circuit board (10) engages in two guide grooves (11) moulded into two side walls of the enclosure (2).
  3. Lighting installation according to Claim 1 or Claim 2, characterised in that a reflector (12) located on the first printed circuit board (1) is assigned to at least one of the illuminants (LED) on the first printed circuit board (1).
  4. Lighting installation according to any of Claims 1 to 3, characterised in that the guide rail arrangement (3) consists of two guiding devices arranged parallel, each of the guiding devices having a bearing rail (13) which comes to rest on the main surface of the printed circuit board (1) facing away from the light emitting zone and a retaining rail (14) which interacts with the spring elements (9) that generate the spring effect.
  5. Lighting installation according to any of Claims 1 to 4, characterised in that at least one spring element (9) generating the spring force is designed as a leaf spring and is attached to a guide frame (8) provided at the rear of the light partitioning facility (7).
  6. Lighting installation according to any of Claims 1 to 5, characterised in that a pressure bar (15) is provided between the spring elements (9), the light partitioning facility (7) and the two retention rails (14) of the guide rail arrangement (3), respectively, to generate an increased spring force.
  7. Lighting installation according to any of Claims 1 to 6, characterised in that the enclosure (2) is made of aluminium.
  8. Lighting installation according to any of Claims 1 to 7, characterised in that the light partitioning facility (7) is made of metal sheet and has several chambers.
  9. Lighting installation according to Claim 8, characterised in that each chamber of the light partitioning facility (7) is assigned to at least one reflector (12) and at least one illuminant (LED).
  10. Lighting installation according to any of Claims 1 to 9, characterised in that at least one light influencing means (18) is assigned to the front face of the light partitioning facility (7) facing the light emitting zone (4).
  11. Lighting installation according to Claim 10, characterised in that at least one of the light influencing means (18) assigned to the light partitioning device (7) is made up of at least one sheet-like and/or foil-like lens.
  12. Lighting installation according to any of Claims 1 to 11, characterised in that the light emitting zone (4) of the enclosure (2) is covered with a clear, transparent protective screen (6).
  13. Lighting installation according to any of Claims 1 to 12, characterised in that the protective screen (6) assigned to the light emitting zone (4) of the enclosure (2) is attached to the enclosure (2) by means of bonding.
  14. Lighting installation according to any of Claims 1 to 13, characterised in that at least one illuminant (LED) arranged on the first printed circuit board (1) is designed as a light emitting diode.
  15. Lighting installation according to any of Claims 1 to 14, characterised in that at least one light conductor having at least one light input surface and at least one light output surface, is assigned to at least one reflector arrangement.
EP09727191A 2008-04-04 2009-01-08 Illumination device Not-in-force EP2257735B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008017614A DE102008017614B8 (en) 2008-04-04 2008-04-04 lighting device
PCT/EP2009/000045 WO2009121441A1 (en) 2008-04-04 2009-01-08 Illumination device

Publications (2)

Publication Number Publication Date
EP2257735A1 EP2257735A1 (en) 2010-12-08
EP2257735B1 true EP2257735B1 (en) 2012-06-13

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EP09727191A Not-in-force EP2257735B1 (en) 2008-04-04 2009-01-08 Illumination device

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EP (1) EP2257735B1 (en)
DE (1) DE102008017614B8 (en)
WO (1) WO2009121441A1 (en)

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CN103697352B (en) * 2013-12-02 2017-01-11 中山市鑫凯盛照明有限公司 LED (light-emitting diode) lamp reliable in performance and long in service life

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DE102008017614B3 (en) 2009-09-17
DE102008017614B8 (en) 2010-02-11
EP2257735A1 (en) 2010-12-08
WO2009121441A1 (en) 2009-10-08

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