EP2738454A1 - Lamp with a housing and an electronic circuit - Google Patents

Lamp with a housing and an electronic circuit Download PDF

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Publication number
EP2738454A1
EP2738454A1 EP13194779.8A EP13194779A EP2738454A1 EP 2738454 A1 EP2738454 A1 EP 2738454A1 EP 13194779 A EP13194779 A EP 13194779A EP 2738454 A1 EP2738454 A1 EP 2738454A1
Authority
EP
European Patent Office
Prior art keywords
circuit board
printed circuit
luminaire
housing
lamp
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
EP13194779.8A
Other languages
German (de)
French (fr)
Other versions
EP2738454B1 (en
Inventor
Mario PÖHS
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
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Filing date
Publication date
Application filed by Zumtobel Lighting GmbH Austria filed Critical Zumtobel Lighting GmbH Austria
Publication of EP2738454A1 publication Critical patent/EP2738454A1/en
Application granted granted Critical
Publication of EP2738454B1 publication Critical patent/EP2738454B1/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
    • F21V15/00—Protecting lighting devices from damage
    • F21V15/01—Housings, e.g. material or assembling of housing parts
    • 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
    • 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
    • F21V23/005—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 is supporting also the light source
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/04—Provision of filling media
    • 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
    • F21S8/033—Lighting devices intended for fixed installation of surface-mounted type the surface being a wall or like vertical structure, e.g. building facade
    • 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
    • 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
    • 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
    • F21V19/005—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by permanent fixing means, e.g. gluing, riveting or embedding in a potting compound
    • 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
    • F21V19/0055—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by screwing
    • 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
    • F21V31/00—Gas-tight or water-tight arrangements
    • F21V31/005—Sealing arrangements therefor
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

Definitions

  • the invention relates to a luminaire with a luminaire housing and an electronic circuit arranged on a printed circuit board.
  • a luminaire with a luminaire housing and an electronic circuit in which the electronic circuit is arranged on a printed circuit board which is mounted in the luminaire housing.
  • the circuit board with the electronics arranged thereon is thus arranged in the interior of the lamp housing and enclosed by the latter.
  • To mount the circuit board is mounted in the lamp housing and then closed the latter with a lid.
  • the invention has for its object to provide a corresponding improved luminaire, in particular a lamp with reduced manufacturing and assembly costs.
  • a luminaire which has a luminaire housing and an electronic circuit arranged on a printed circuit board.
  • the circuit board is designed and arranged such that an outer wall region of the lamp housing is formed by them.
  • the circuit board is preferably a metal core board, in particular a metal core board with a single-sided conductor track guide. Accordingly, the outer surface of the printed circuit board opposite the printed conductor guide can be designed without conductor tracks, so that it is particularly suitable for direct contact with the ambient air.
  • the circuit board is attached to the remaining lamp housing by means of a screw connection.
  • a snapper and / or a latch and / or a slot and / or an adhesive bond and / or a potting may be provided.
  • gluing or potting can be particularly suitable form a tight connection between the circuit board and the rest of the luminaire housing.
  • a snapper or other locking connection allows a particularly simple installation.
  • the luminaire housing has a shoulder surface, which is designed to abut the printed circuit board. This makes it particularly suitable to achieve a defined positioning of the circuit board relative to the rest of the luminaire housing with simple installation.
  • a particularly dense luminaire housing can be achieved if a sealing element is sealingly arranged between the circuit board and the remaining luminaire housing.
  • the assembly cost of the luminaire can be further reduced if the circuit board has an opening or a recess for the passage of a cable; Furthermore advantageously, a device connection element is arranged on the printed circuit board.
  • the luminaire is particularly suitable in the form of an outdoor luminaire and / or in particular in the form of a facade luminaire.
  • Fig. 1 a sketch of a lamp according to the invention.
  • the luminaire comprises a printed circuit board 2.
  • Fig. 3 is shown in perspective, the circuit board 2 is separated, in Fig. 4 as well, but from a different point of view.
  • the electronic circuit 3 may in particular be an electronic circuit for operating the luminaire, for example for operating a light source of the luminaire.
  • the light source may be, for example, LEDs.
  • the printed circuit board 2 or board is a metal core board.
  • the printed circuit board 2 preferably has a conductor track guide of the electronic circuit 3, which is formed only on a first surface 21 of the two large surfaces of the printed circuit board 2.
  • the first surface 21 opposite, second surface 22 of the two major surfaces of the circuit board 2 is preferably designed plan.
  • the luminaire has a luminaire housing 1, wherein - as in Fig. 1 shown by way of example - the printed circuit board 2 is designed and arranged such that an outer wall region 4 of the lamp housing 1 is formed by them. By the circuit board 1, a part of the lamp housing 1 is thus formed.
  • the outer wall region 4 is formed by the second surface 22 of the printed circuit board 2.
  • Fig. 2 showing the printed circuit board 2 separated from the rest of the luminaire housing 1 shows.
  • the lamp housing 1 can be closed so to speak. As a result, a particularly simple installation of the lamp is possible.
  • a screw connection can be provided for fastening the printed circuit board 2 to the rest of the luminaire housing 1.
  • a latching connection for example with a snapper.
  • an insert it is also possible to provide an insert, so that the luminaire housing 1 can be closed by insertion of the printed circuit board 2, for example guided by guide elements which are formed on the remaining luminaire housing 1.
  • a lock may be provided. It can also be a bond and / or a potting for attachment of the circuit board 2 to the rest of the lamp housing 2 may be provided.
  • the lamp can be suitably designed so that it corresponds to a specific protection class.
  • the luminaire housing 1 for this purpose, for example, have a shoulder surface 5, which is designed to abut the printed circuit board 2.
  • the design is such that the remaining luminaire housing 1 forms a frame element 11 which completely surrounds the circuit board 2 when the circuit board 2 is connected to the rest of the luminaire housing 1 as intended.
  • the remaining lamp housing 1 forms in the example shown by the frame member 11 has an opening for receiving the circuit board. 2
  • circuit board 2 in particular a rear wall of the lamp housing 1 may be formed.
  • a (not shown in the figures) sealing element may be provided, which is arranged sealingly between the printed circuit board 2 and the remaining lamp housing 1.
  • the sealing element can be arranged, for example, along the circumference of the printed circuit board 1.
  • the printed circuit board 2 and the remaining light housing 1 are designed so that when arranged or inserted printed circuit board 2 on two opposite sides of the circuit board 2 free spaces 15, 16 are formed, which may be provided that this example, closed by casting be or are.
  • the printed circuit board 2 has an opening or a recess 25 for the passage of a cable, for example a power supply cable of the lamp.
  • a cable for example a power supply cable of the lamp.
  • at least one device connection element preferably two device connection elements are mounted on the circuit board 2, whereby a further wiring effort with any interfaces in the lamp housing 1 can be omitted.
  • the lamp is suitable in a special way as outdoor lamp.
  • the luminaire may be a facade luminaire.
  • the light housing 1 is designed as a whole oblong, as the circuit board 1;
  • the invention is generally suitable for differently shaped luminaire housing.

Abstract

The lamp has a lamp housing (1) and an electronic circuit which is arranged on a printed circuit board (2) e.g. metal core circuit board. The printed circuit board is designed and arranged such that outer wall region (4) of the lamp housing is formed by the surface (22) of circuit board. A sealing element is formed between circuit board and lamp housing.

Description

Die Erfindung betrifft eine Leuchte mit einem Leuchtengehäuse und einer, auf einer Leiterplatte angeordneten elektronischen Schaltung.The invention relates to a luminaire with a luminaire housing and an electronic circuit arranged on a printed circuit board.

Aus dem Stand der Technik ist eine Leuchte mit einem Leuchtengehäuse und einer elektronischen Schaltung bekannt, bei der die elektronische Schaltung auf einer Leiterplatte angeordnet ist, die in dem Leuchtengehäuse montiert ist. Die Leiterplatte mit der darauf angeordneten Elektronik ist also im Innenraum des Leuchtengehäuses angeordnet und von Letzterem umschlossen. Zur Montage wird die Leiterplatte in dem Leuchtengehäuse befestigt und anschließend Letzteres mit einem Deckel verschlossen.From the prior art, a luminaire with a luminaire housing and an electronic circuit is known in which the electronic circuit is arranged on a printed circuit board which is mounted in the luminaire housing. The circuit board with the electronics arranged thereon is thus arranged in the interior of the lamp housing and enclosed by the latter. To mount the circuit board is mounted in the lamp housing and then closed the latter with a lid.

Insbesondere im Fall von Leiterplatten, auf denen LEDs (LED: Lichtemittierende Diode) zur Lichterzeugung angeordnet sind, muss Sorge dafür getragen werden, dass die während des Betriebs der LEDs von Letzteren erzeugte Wärme effizient abgeführt wird. Eine entsprechende Problematik ergibt sich auch im Fall einer Leiterplatte, auf der elektronische Komponenten zum Versorgen von Lichtquellen angeordnet sind. In beiden Fällen ist durch die Anbindung der Leiterplatte an das Leuchtengehäuse ein thermischer Widerstand gebildet, so dass eine besondere thermische Kopplung zur Abfuhr der Wärme zwischen der betreffenden Leiterplatte und dem Leuchtengehäuse vorgesehen werden muss. Hierzu ist insbesondere ein nicht zu vernachlässigender Material- und Montageaufwand erforderlich.In particular, in the case of printed circuit boards on which LEDs (light emitting diode) for light generation are arranged, care must be taken that the heat generated by the latter during operation of the LEDs is efficiently dissipated. A corresponding problem also arises in the case of a printed circuit board on which electronic components for supplying light sources are arranged. In both cases, a thermal resistance is formed by the connection of the printed circuit board to the lamp housing, so that a special thermal coupling to dissipate the heat between the relevant circuit board and the lamp housing must be provided. For this purpose, a not inconsiderable material and assembly costs are required in particular.

Der Erfindung liegt die Aufgabe zugrunde, eine entsprechende verbesserte Leuchte anzugeben, insbesondere eine Leuchte mit reduziertem Herstellungs- und Montageaufwand.The invention has for its object to provide a corresponding improved luminaire, in particular a lamp with reduced manufacturing and assembly costs.

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 Leuchtengehäuse und eine, auf einer Leiterplatte angeordnete elektronische Schaltung aufweist. Die Leiterplatte ist dabei derart gestaltet und angeordnet, dass durch sie ein Außenwandbereich des Leuchtengehäuses gebildet ist.According to the invention, a luminaire is provided which has a luminaire housing and an electronic circuit arranged on a printed circuit board. The circuit board is designed and arranged such that an outer wall region of the lamp housing is formed by them.

Hierdurch lässt sich erzielen, dass die Leiterplatte in unmittelbarem Kontakt mit einer Umgebungsluft der Leuchte steht. Auf diese Weise ist eine effiziente und quasi direkte Abfuhr der Wärme ermöglicht, die während eines Betriebs der Leuchte durch die elektronische Schaltung erzeugt wird. Es ist sozusagen eine sehr gute thermische Anbindung an die Umgebung erzielt. Dabei lässt sich ein Montageschritt einsparen, da das Leuchtengehäuse nach der Montage der Leiterplatte nicht mehr gesondert mit einem Deckel oder Ähnlichem geschlossen werden muss.This makes it possible to achieve that the printed circuit board is in direct contact with ambient air of the luminaire. In this way, an efficient and quasi-direct dissipation of the heat is generated, which is generated during operation of the lamp by the electronic circuit. It is a very good thermal connection to the environment, so to speak. In this case, a mounting step can be saved, since the luminaire housing after mounting the circuit board no longer separately with a lid or the like must be closed.

Bei der Leiterplatte handelt es sich vorzugsweise um eine Metallkernplatine, insbesondere um eine Metallkernplatine mit einer einseitigen Leiterbahnführung. Die der Leiterbahnführung gegenüberliegende Außenfläche der Leiterplatte kann dementsprechend ohne Leiterbahnen gestaltet sein, so dass sie sich besonders für einen unmittelbaren Kontakt mit der Umgebungsluft eignet.The circuit board is preferably a metal core board, in particular a metal core board with a single-sided conductor track guide. Accordingly, the outer surface of the printed circuit board opposite the printed conductor guide can be designed without conductor tracks, so that it is particularly suitable for direct contact with the ambient air.

Vorzugsweise ist die Leiterplatte an dem restlichen Leuchtengehäuse mittels einer Schraubverbindung befestigt. Alternativ oder ergänzend kann bzw. können auch ein Schnapper und/oder eine Verriegelung und/oder ein Einschub und/oder eine Verklebung und/oder ein Verguss vorgesehen sein. Durch eine Verklebung oder einen Verguss lässt sich besonders geeignet eine dichte Verbindung zwischen der Leiterplatte und dem restlichen Leuchtengehäuse bilden. Ein Schnapper oder ein sonstige Rastverbindung ermöglicht eine besonders einfache Montage.Preferably, the circuit board is attached to the remaining lamp housing by means of a screw connection. Alternatively or additionally, a snapper and / or a latch and / or a slot and / or an adhesive bond and / or a potting may be provided. By gluing or potting can be particularly suitable form a tight connection between the circuit board and the rest of the luminaire housing. A snapper or other locking connection allows a particularly simple installation.

Vorzugsweise weist das Leuchtengehäuse eine Schulterfläche auf, die zur Anlage der Leiterplatte ausgebildet ist. Hierdurch lässt sich besonders geeignet eine definierte Positionierung der Leiterplatte gegenüber dem restlichen Leuchtengehäuse bei einfacher Montage erzielen.Preferably, the luminaire housing has a shoulder surface, which is designed to abut the printed circuit board. This makes it particularly suitable to achieve a defined positioning of the circuit board relative to the rest of the luminaire housing with simple installation.

Ein besonders dichtes Leuchtengehäuse lässt sich erzielen, wenn zwischen der Leiterplatte und dem restlichen Leuchtengehäuse dichtend ein Dichtelement angeordnet ist.A particularly dense luminaire housing can be achieved if a sealing element is sealingly arranged between the circuit board and the remaining luminaire housing.

Der Montageaufwand der Leuchte lässt sich weitergehend reduzieren, wenn die Leiterplatte einen Durchbruch oder eine Ausnehmung zur Durchführung eines Kabels aufweist; weiterhin vorteilhaft ist auf der Leiterplatte ein Geräteanschlusselement angeordnet.The assembly cost of the luminaire can be further reduced if the circuit board has an opening or a recess for the passage of a cable; Furthermore advantageously, a device connection element is arranged on the printed circuit board.

Die Leuchte eignet sich besonders in Form einer Außenleuchte und/oder insbesondere in Form einer Fassadenleuchte.The luminaire is particularly suitable in the form of an outdoor luminaire and / or in particular in the form of a facade luminaire.

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

Fig. 1
eine perspektivische Skizze zu einer erfindungsgemäßen Leuchte,
Fig. 2
eine entsprechende Skizze, bei der die Leiterplatte von dem restlichen Leuchtengehäuse separiert ist,
Fig. 3
eine perspektivische Skizze der Leiterplatte und
Fig. 4
eine weitere perspektivische Skizze der Leiterplatte aus einem anderen Blickwinkel.
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 a lamp according to the invention,
Fig. 2
a corresponding sketch, in which the circuit board is separated from the rest of the luminaire housing,
Fig. 3
a perspective sketch of the circuit board and
Fig. 4
another perspective sketch of the circuit board from a different angle.

In Fig. 1 ist eine Skizze zu einer erfindungsgemäßen Leuchte gezeigt. Die Leuchte umfasst eine Leiterplatte 2. In Fig. 3 ist perspektivisch die Leiterplatte 2 separiert gezeigt, in Fig. 4 ebenso, jedoch aus einer anderen Sicht.In Fig. 1 is shown a sketch of a lamp according to the invention. The luminaire comprises a printed circuit board 2. In Fig. 3 is shown in perspective, the circuit board 2 is separated, in Fig. 4 as well, but from a different point of view.

Auf der Leiterplatte 2 ist eine elektronische Schaltung 3 angeordnet. Bei der elektronischen Schaltung 3 kann es sich insbesondere um eine elektronische Schaltung zum Betrieb der Leuchte handeln, beispielsweise zum Betrieb einer Lichtquelle der Leuchte. Bei der Lichtquelle kann es sich dabei beispielsweise um LEDs handeln.On the circuit board 2, an electronic circuit 3 is arranged. The electronic circuit 3 may in particular be an electronic circuit for operating the luminaire, for example for operating a light source of the luminaire. The light source may be, for example, LEDs.

Im gezeigten Beispiel handelt es sich bei der Leiterplatte 2 bzw. Platine um eine Metallkernplatine. Die Leiterplatte 2 weist vorzugsweise eine Leiterbahnführung der elektronischen Schaltung 3 auf, die lediglich auf einer ersten Oberfläche 21 der beiden großen Oberflächen der Leiterplatte 2 gebildet ist. Wie in Fig. 1 beispielhaft gezeigt, ist die, der ersten Oberfläche 21 gegenüberliegende, zweite Oberfläche 22 der beiden großen Oberflächen der Leiterplatte 2 vorzugsweise plan gestaltet.In the example shown, the printed circuit board 2 or board is a metal core board. The printed circuit board 2 preferably has a conductor track guide of the electronic circuit 3, which is formed only on a first surface 21 of the two large surfaces of the printed circuit board 2. As in Fig. 1 shown by way of example, the first surface 21 opposite, second surface 22 of the two major surfaces of the circuit board 2 is preferably designed plan.

Die Leuchte weist ein Leuchtengehäuse 1 auf, wobei - wie in Fig. 1 beispielhaft gezeigt - die Leiterplatte 2 derart gestaltet und angeordnet ist, dass durch sie ein Außenwandbereich 4 des Leuchtengehäuses 1 gebildet ist. Durch die Leiterplatte 1 ist somit einen Teil des Leuchtengehäuses 1 gebildet.The luminaire has a luminaire housing 1, wherein - as in Fig. 1 shown by way of example - the printed circuit board 2 is designed and arranged such that an outer wall region 4 of the lamp housing 1 is formed by them. By the circuit board 1, a part of the lamp housing 1 is thus formed.

Im gezeigten Beispiel ist der Außenwandbereich 4 durch die zweite Oberfläche 22 der Leiterplatte 2 gebildet. Dies geht auch aus Fig. 2 hervor, die die Leiterplatte 2 separiert von dem restlichen Leuchtengehäuse 1 zeigt.In the example shown, the outer wall region 4 is formed by the second surface 22 of the printed circuit board 2. This is also possible Fig. 2 showing the printed circuit board 2 separated from the rest of the luminaire housing 1 shows.

Durch die Leiterplatte 2 lässt sich das Leuchtengehäuse 1 sozusagen verschließen. Hierdurch ist eine besonders einfache Montage der Leuchte ermöglicht.Through the circuit board 2, the lamp housing 1 can be closed so to speak. As a result, a particularly simple installation of the lamp is possible.

Zur Befestigung der Leiterplatte 2 an dem restlichen Leuchtengehäuse 1 kann beispielsweise eine Schraubverbindung vorgesehen sein. Es kann aber auch eine Rastverbindung vorgesehen sein, beispielsweise mit einem Schnapper. Es kann auch ein Einschub vorgesehen sein, so dass sich das Leuchtengehäuse 1 durch ein Einschieben der Leiterplatte 2, zum Beispiel geführt durch Führungselemente, die an dem restlichen Leuchtengehäuse 1 ausgebildet sind, verschließen lässt. Hierdurch ist eine besonders einfache Montage der Leiterplatte 2 an dem restlichen Leuchtengehäuse 1 ermöglicht. Alternativ oder ergänzend kann eine Verriegelung vorgesehen sein. Es kann auch eine Verklebung und/oder ein Verguss zur Befestigung der Leiterplatte 2 an dem restlichen Leuchtengehäuse 2 vorgesehen sein.For fastening the printed circuit board 2 to the rest of the luminaire housing 1, for example, a screw connection can be provided. But it can also be provided a latching connection, for example with a snapper. It is also possible to provide an insert, so that the luminaire housing 1 can be closed by insertion of the printed circuit board 2, for example guided by guide elements which are formed on the remaining luminaire housing 1. As a result, a particularly simple mounting of the circuit board 2 to the remaining lamp housing 1 is possible. Alternatively or additionally, a lock may be provided. It can also be a bond and / or a potting for attachment of the circuit board 2 to the rest of the lamp housing 2 may be provided.

Durch einen Verguss bzw. eine Verklebung lässt sich dabei auf besonders einfache Weise eine dichte Verbindung bilden. Hierdurch lässt sich die Leuchte geeignet so gestalten, dass sie einer bestimmten Schutzklasse entspricht.Through a casting or a bond can be a particularly easy way to form a tight connection. As a result, the lamp can be suitably designed so that it corresponds to a specific protection class.

Wenn die Anforderungen an die Dichtigkeit geringer sind, kann auch eine einfache überlappende Anordnung zwischen der Leiterplatte 2 und dem restlichen Leuchtengehäuse 1 ausreichend sein. Wie in Fig. 2 beispielhaft skizziert, kann das Leuchtengehäuse 1 hierzu beispielsweise eine Schulterfläche 5 aufweisen, die zur Anlage der Leiterplatte 2 ausgebildet ist.If the requirements for tightness are less, a simple overlapping arrangement between the printed circuit board 2 and the remaining light housing 1 may be sufficient. As in Fig. 2 outlined by way of example, the luminaire housing 1 for this purpose, for example, have a shoulder surface 5, which is designed to abut the printed circuit board 2.

Im gezeigten Beispiel ist die Gestaltung derart, dass das restliche Leuchtengehäuse 1 ein Rahmenelement 11 bildet, das die Leiterplatte 2 vollständig umfasst, wenn die Leiterplatte 2 wie vorgesehen mit dem restlichen Leuchtengehäuse 1 verbunden ist. Das restliche Leuchtengehäuse 1 bildet im gezeigten Beispiel durch das Rahmenelement 11 eine Öffnung zur Aufnahme der Leiterplatte 2.In the example shown, the design is such that the remaining luminaire housing 1 forms a frame element 11 which completely surrounds the circuit board 2 when the circuit board 2 is connected to the rest of the luminaire housing 1 as intended. The remaining lamp housing 1 forms in the example shown by the frame member 11 has an opening for receiving the circuit board. 2

Durch die Leiterplatte 2 kann insbesondere eine Rückwand des Leuchtengehäuses 1 gebildet sein.By the circuit board 2, in particular a rear wall of the lamp housing 1 may be formed.

Weiterhin kann ein (in den Figuren nicht gezeigtes) Dichtelement vorgesehen sein, das dichtend zwischen der Leiterplatte 2 und dem restlichen Leuchtengehäuse 1 angeordnet ist. Das Dichtelement kann dabei beispielsweise entlang des Umfangs der Leiterplatte 1 angeordnet sein.Furthermore, a (not shown in the figures) sealing element may be provided, which is arranged sealingly between the printed circuit board 2 and the remaining lamp housing 1. The sealing element can be arranged, for example, along the circumference of the printed circuit board 1.

Im gezeigten Beispiel sind die Leiterplatte 2 und das restliche Leuchtengehäuse 1 so gestaltet, dass bei wie vorgesehen angeordneter bzw. eingesetzter Leiterplatte 2 auf zwei gegenüberliegenden Seiten der Leiterplatte 2 Freiräume 15, 16 gebildet sind, wobei vorgesehen sein kann, dass diese beispielsweise durch Vergießen geschlossen werden bzw. sind.In the example shown, the printed circuit board 2 and the remaining light housing 1 are designed so that when arranged or inserted printed circuit board 2 on two opposite sides of the circuit board 2 free spaces 15, 16 are formed, which may be provided that this example, closed by casting be or are.

Vorzugsweise weist die Leiterplatte 2 einen Durchbruch oder eine Ausnehmung 25 zur Durchführung eines Kabels, beispielsweise eines Stromversorgungskabels der Leuchte auf. Weiterhin vorzugsweise sind an der Leiterplatte 2 wenigstens ein Geräteanschlusselement, vorzugsweise zwei Geräteanschlusselemente montiert, wodurch ein weiterer Verdrahtungsaufwand mit etwaigen Schnittstellen im Leuchtengehäuse 1 entfallen kann.Preferably, the printed circuit board 2 has an opening or a recess 25 for the passage of a cable, for example a power supply cable of the lamp. Further preferably, at least one device connection element, preferably two device connection elements are mounted on the circuit board 2, whereby a further wiring effort with any interfaces in the lamp housing 1 can be omitted.

Die Leuchte eignet sich in besonderer Weise als Außenleuchte. Insbesondere kann es sich bei der Leuchte um eine Fassadenleuchte handeln.The lamp is suitable in a special way as outdoor lamp. In particular, the luminaire may be a facade luminaire.

Im gezeigten Beispiel ist das Leuchtengehäuse 1 insgesamt länglich gestaltet, ebenso die Leiterplatte 1; die Erfindung eignet sich jedoch allgemein auch für andersartig geformte Leuchtengehäuse.In the example shown, the light housing 1 is designed as a whole oblong, as the circuit board 1; However, the invention is generally suitable for differently shaped luminaire housing.

Claims (9)

Leuchte, aufweisend - ein Leuchtengehäuse (1) und - eine, auf einer Leiterplatte (2) angeordnete elektronische Schaltung (3), dadurch gekennzeichnet,
dass die Leiterplatte (2) derart gestaltet und angeordnet ist, dass durch sie ein Außenwandbereich (4) des Leuchtengehäuses (1) gebildet ist.Light, comprising - A luminaire housing (1) and an electronic circuit (3) arranged on a printed circuit board (2), characterized,
that the circuit board (2) is designed and arranged such that by making an outer wall portion (4) of the lamp housing (1) is formed. Leuchte nach Anspruch 1,
bei der die Leiterplatte (2) durch eine Metallkernplatine, insbesondere mit einer einseitigen Leiterbahnführung gebildet ist.Luminaire according to claim 1,
in which the printed circuit board (2) is formed by a metal core board, in particular with a single-sided conductor track guide. Leuchte nach Anspruch 1 oder 2,
bei der die Leiterplatte (2) an dem restlichen Leuchtengehäuse (1) mittels einer Schraubverbindung und/oder Schnappern und/oder einer Verriegelung und/oder eines Einschubs und/oder einer Verklebung und/oder einem Verguss befestigt ist.Luminaire according to claim 1 or 2,
in which the printed circuit board (2) is attached to the remaining lamp housing (1) by means of a screw connection and / or snappers and / or a lock and / or an insert and / or an adhesive bond and / or a potting. Leuchte nach einem der vorhergehenden Ansprüche,
bei der das Leuchtengehäuse (1) eine Schulterfläche (5) aufweist, die zur Anlage der Leiterplatte (2) ausgebildet ist.Luminaire according to one of the preceding claims,
in which the luminaire housing (1) has a shoulder surface (5) which is designed to abut the printed circuit board (2). Leuchte nach einem der vorhergehenden Ansprüche,
weiterhin aufweisend - ein Dichtelement, das dichtend zwischen der Leiterplatte (2) und dem restlichen Leuchtengehäuse (1) angeordnet ist. Luminaire according to one of the preceding claims,
still having - A sealing element, which is arranged sealingly between the printed circuit board (2) and the remaining lamp housing (1). Leuchte nach einem der vorhergehenden Ansprüche
bei der die Leiterplatte (2) einen Durchbruch oder eine Ausnehmung (25) zur Durchführung eines Kabels aufweist.Luminaire according to one of the preceding claims
in which the circuit board (2) has an opening or a recess (25) for the passage of a cable. Leuchte nach einem der vorhergehenden Ansprüche,
bei der auf der Leiterplatte (2) ein Geräteanschlusselement angeordnet ist.Luminaire according to one of the preceding claims,
in which a device connection element is arranged on the printed circuit board (2). Leuchte nach einem der vorhergehenden Ansprüche,
in Form einer Außenleuchte.Luminaire according to one of the preceding claims,
in the form of an outdoor lamp. Leuchte nach einem der vorhergehenden Ansprüche
in Form einer Fassadenleuchte.Luminaire according to one of the preceding claims
in the form of a facade light.
EP13194779.8A 2012-11-29 2013-11-28 Lamp with a housing and an electronic circuit Active EP2738454B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202012104635.0U DE202012104635U1 (en) 2012-11-29 2012-11-29 Luminaire with a luminaire housing and electronic circuit

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EP2738454A1 true EP2738454A1 (en) 2014-06-04
EP2738454B1 EP2738454B1 (en) 2020-01-08

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EP2738454B1 (en) 2020-01-08

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