EP2313683A1 - Lighting device - Google Patents

Lighting device

Info

Publication number
EP2313683A1
EP2313683A1 EP09780866A EP09780866A EP2313683A1 EP 2313683 A1 EP2313683 A1 EP 2313683A1 EP 09780866 A EP09780866 A EP 09780866A EP 09780866 A EP09780866 A EP 09780866A EP 2313683 A1 EP2313683 A1 EP 2313683A1
Authority
EP
European Patent Office
Prior art keywords
power supply
lighting device
supply unit
cap
heat sink
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
EP09780866A
Other languages
German (de)
French (fr)
Other versions
EP2313683B1 (en
Inventor
Fabian Reingruber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Osram GmbH
Original Assignee
Osram GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Osram GmbH filed Critical Osram GmbH
Publication of EP2313683A1 publication Critical patent/EP2313683A1/en
Application granted granted Critical
Publication of EP2313683B1 publication Critical patent/EP2313683B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • 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
    • 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 lighting device with at least one light source, a power supply unit for the at least one light source and a heat sink for cooling the at least one light source.
  • One of the main problems in downsizing luminaires with LEDs is the distances that must be maintained between the primary and secondary sides of an associated power supply.
  • the separation is essential because the LEDs electrically conductive on the heat sink and thus usually rest on a touchable metal body.
  • To the primary side typically all primary components as well as the transformer core are counted.
  • the required distances between the primary side and secondary-side components are, for example, according to DIN EN 60598-1 or VDE 0711-1 6.5 mm (air gap) and 5 mm (creepage distance). So far, these distances are usually maintained by a corresponding spacing of the primary side of the secondary side, in particular a heat sink, but this requires a comparatively large design.
  • the lighting device has at least one light source (eg a gas discharge lamp or a light emitting diode, LED), as well as a power supply unit for the power supply of the at least one light source.
  • the lighting device has Furthermore, a heat sink for cooling the at least one light source.
  • the heat sink may be an active or passive cooling heat sink.
  • the at least one light-emitting means is attached to the heat sink for heat dissipation and separated from the power supply unit by the heat sink.
  • the at least one lighting means and the power supply unit are arranged on opposite sides of at least one heat sink area.
  • the power supply unit has an electrically insulating cap which separates the power supply unit from the heat sink.
  • the cap By means of the cap firstly a directly opposite arrangement is prevented (without electrical insulation or only with an air gap).
  • the shortest air or creepage distance between the primary side (power supply unit) and the heat sink then runs around the cap. Since the cap has a side wall, these distances are extended, whereby an improved electrical I- insulation between the primary and secondary side and thus a higher security requirement can be met, for. B. in terms of the protection classes I to III according to DIN EN 60598-1.
  • the power supply unit can be brought closer to the heat sink.
  • a lighting device in which the heat sink has a passage for at least one connecting cable between the power supply unit and the at least one light source.
  • a lighting device may be preferred in which the cover cap also has at least one bushing, in particular a frontal bushing, which extends through the passage of the heat sink.
  • a frontal bushing which extends through the passage of the heat sink.
  • a lighting device may be preferred in which the cover cap rests firmly or loosely on a receptacle for the power supply unit.
  • the contact surfaces can also be glued or welded together.
  • a lighting device may be preferred, in which the cover cap is integrally connected to a receptacle for the power supply unit, in particular a tubular one. Then a plastic is preferred as the material, for. As PVC, as this can be easily injection-molded.
  • a lighting device in which the cap has a closed shape, so no implementation with circumferential edge has.
  • the connecting lead (s) is / are then guided around the edge of the cover and guided outside on the cover to the at least one light source, preferably by a passage through the heat sink.
  • a lighting device may also be preferred in which the cover cap is at least partially plugged over the power supply unit.
  • the cap can be attached in particular with an open side over an object to be covered and covers this frontally (with respect to the direction of attachment) and by means of a - mostly circumferential - sidewall at least partially laterally.
  • a lighting device is preferred in which the power supply unit has at least one printed circuit board equipped with at least one transformer and the cover cap is at least partially plugged over the transformer.
  • the insulating cap is preferably placed over the transformer and the board that it holds by clamping.
  • transformerless power supply units can also be used as long as they have a primary side and a secondary side, in particular a secondary side which is galvanically separated from the primary side.
  • a lighting device which has at least one connecting line between the power supply unit and the at least one lighting means for feeding the lighting means.
  • the connection line can be connected directly to the at least one light source; Alternatively, electrical or electronic elements can be interposed, for. B. a driver for controlling the at least one light source, in particular LED.
  • connection line is connected to the power supply unit in the space covered by the cover, since in this way the creepage distance between the primary-side connection of the line and the heat sink is extended.
  • a cap which has a shell-shaped basic shape is preferred.
  • Various variations are conceivable, for. B. with a flat or curved bottom, straight or curved side wall, round (circular, oval, etc.) or square, z. B. cuboid, planing contour and so on.
  • the cap is preferably made of flexible material.
  • the cap can be fixed by a press fit, but also in other ways such as gluing, notching and so on.
  • the cap can not be designed flexible, z. B. be made of PVC.
  • a lighting device in which the cap is equipped with a means for rotational security.
  • a lighting device in which the cap is equipped with a means for fixing the power supply unit.
  • the lighting means is basically not limited and may have a gas discharge lamp or incandescent lamp.
  • a luminous device is preferred in which the luminous means has at least one semiconductor light source such as a diode laser, but in particular a light-emitting diode.
  • the light-emitting means can be present, for example, as an LED module with one light-emitting diode or several light-emitting diodes.
  • the individual LEDs can each monochrome or multicolor, z. B. white, radiate. In the presence of several LEDs, these z. B. same color (monochrome or multi-colored) and / or different colors shine.
  • an LED module may have a plurality of individual LEDs ('LED cluster'), which together can give a white mixed light, z. B. in 'cold white' or 'warm white'.
  • the LED cluster preferably includes light-emitting diodes which shine in the primary colors red (R), green (G) and blue (B).
  • single or multiple colors can also be generated by several LEDs simultaneously; Combinations RGB, RRGB, RGGB, RGBB, RGGBB etc. are possible.
  • the color combination is not limited to R, G and B (and A).
  • one or more amber LEDs 'amber' (A) may also be present in a warm white color tone.
  • these can also be controlled so that the LED module radiates in a tunable RGB color range.
  • phosphor LED blue chips can also be used, e.g. B. in surface-mounting technique, z. B. in ThInGaN technology.
  • an LED module can also have a plurality of white single chips, which can be a simple scalability of the luminous flux can be achieved.
  • the individual chips and / or the modules can be equipped with suitable optics for beam guidance, z.
  • z. As based on InGaN, InGAlP or AlInGaP, organic LEDs (OLEDs) are generally used. Also, as semiconductor light sources, e.g. B. diode lasers are used.
  • FIG. 1 shows a sectional side view of an LED lighting device according to a first embodiment
  • FIG. 2 shows a sectional side view of an LED lighting device according to a second embodiment
  • FIG. 3 shows a sectional side view of an LED lighting device according to a third embodiment
  • 4 shows a sectional side view of an LED lighting device according to a fourth embodiment
  • FIG. 5 shows a sectional side view of an LED lighting device according to a fifth embodiment.
  • the device has a plurality of light emitting diodes 2, which are mounted together with associated electronic components 3 on an upper side of a circuit board 4.
  • the electronic components provide at least one driver for the controlled supply of the light-emitting diodes.
  • the circuit board 4 is designed as a metal core board, which rests with its underside on a flat support area 5 of a metallic heat sink 6.
  • the support area 5 is laterally surrounded by a circumferential side wall 7, which (to the right of the support area 5, in the z-direction) forms a cup-shaped reflector for the light emitted by the LEDs 2 with the support area 5.
  • connection region 8 for use or an electrically insulating, at least terminal tubular plastic body 9 with curved (eg round or oval) or angular (eg.
  • the plastic body 9 serves as a receptacle for a power supply unit 10 and accommodates at least a part of the power supply unit 10.
  • the power supply unit 10 here has a printed circuit board 11 with a transformer 12 attached to an upper side thereof
  • the transformer 12 is arranged on that outer edge of the printed circuit board 11, which lies directly opposite the support region 5 of the heat sink 6.
  • the secondary-side connection 13 of the transformer 12 is located in the vicinity of the Edge.
  • a connecting line 14 is connected, which leads through a central passage 15 in the support area 5 of the heat sink 6 and by a subsequent passage 16 in the metal core board 5 to the top to the electrical connection.
  • an electrically insulating cap 17 is plugged so far from the heat sink side end that it extends partially over the transformer 12 and the circuit board 11.
  • the cap 17 separates the power supply unit 10 thereby from the heat sink 6, so that the primary and secondary sides are separated from each other. Since the cap 17 has a closed shape, the connecting lead 14 must be guided around the cap 17. In this way, both the required air and the creepage distance can be maintained even if the heat sink 6 is located directly next to the transformer 12.
  • the components of the secondary side are located on the metal core board 4 with the LEDs 2. Due to the reduced size, it is in particular possible to comply with standards in terms of size.
  • FIG 2 shows an LED lighting device 18 according to a second embodiment.
  • the cap 19 has a bottom-side center
  • the connecting line 14 can now be guided instead of around the cap through the passage .20 to the top of the metal core board 4.
  • the clearance and creepage distance is calculated here essentially from the distance from the power supply unit 10 to the feedthrough 20, the length of the feedthrough 20 (along the z-axis) and the distance of the opening of the feedthrough to the metal core board 4.
  • the cap 19 may be attached to the power supply unit 20 or the cooling body 6 before the power supply unit 20 and the heat sink 6 are combined.
  • FIG 3 shows a lighting device 22, in which, in contrast to the lighting device 18 of FIG 2, the cap 23 is not attached to the power supply unit 10, but is attached to the outside of its side wall on the trained as a plastic body receptacle 9 for the power supply unit 10.
  • the cap 23 may, for example, loose or tight sitting in the tubular receptacle 9 and / or be glued or snapped thereto.
  • FIG 4 shows a lighting device 24, in which now the cap 25 is made in one piece with the receptacle 26 and thus represents a portion, here: end portion, thereof.
  • the cap 25 with the receptacle 26, for example, by injection molding of plastic, for. As PVC, be prepared.
  • plastic for. As PVC, be prepared.
  • the cover cap region 25 has a passage 20
  • This embodiment has the
  • FIG. 5 shows a lighting apparatus 27 similar to that of FIG. 4, wherein the covering cap 29 integrally formed with the receptacle 28 now has webs 30 for fixing the circuit board 4 of the power supply unit 10, the circuit board 4 being inserted into the webs 30 for fixing purposes becomes.
  • the present invention is not limited to the embodiments shown.
  • the cap can be generally equipped with a rotation.
  • This can be realized for example by at least one web in the cap - in particular on an outer side of the side wall - as an engagement element and a matching groove in the housing as a counter-engagement element, or vice versa.
  • the cap can generally have a fixing means with one or more fixing elements for fixing or holding the power supply unit.
  • the heat sink only needs to have an electrically conductive surface and except for metal z.
  • B. also made of an electrically conductive plastic or an electrically conductive ceramic, for. B. with AlN, be built or coated with it.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

The lighting device (1,18,22,24,27) of the present invention comprises at least one lighting means (2), a power supply unit (10) for the at least one lighting means (2), and a cooling body (6) for cooling the at least one lighting means (2), wherein the at least one lighting means (2) is fastened to the cooling body (6) and is separated from the power supply unit (10) by the cooling body (6), and wherein the power supply unit (10) comprises an electrically insulating cap (17,19,23,25,29), which is attached at least partially over the power supply unit (10) and separates the power supply unit from the cooling body (6).

Description

Beschreibungdescription
LeuchtVorrichtunglighting device
Die Erfindung betrifft eine Leuchtvorrichtung mit mindestens einem Leuchtmittel, einer Stromversorgungseinheit für das mindestens eine Leuchtmittel und mit einem Kühlkörper zur Kühlung des mindestens einen Leuchtmittels.The invention relates to a lighting device with at least one light source, a power supply unit for the at least one light source and a heat sink for cooling the at least one light source.
Eines der Hauptprobleme bei der Verkleinerung von Leuchten mit Leuchtdioden sind die Abstände, welche zwischen der Primär- und der Sekundärseite einer zugehörigen Stromversorgung eingehalten werden müssen. Die Trennung ist unerlässlich, da die Leuchtdioden elektrisch leitend auf dem Kühlkörper und damit meist auf einem berührbarem Metallkörper aufliegen. Zur Primärseite werden typischerweise alle primären Bauelemente wie auch der Trafokern gezählt. Die erforderlichen Abstände zwischen der Primärseite und sekundärseitigen Bauelementen betragen beispielsweise gemäß DIN EN 60598-1 bzw. VDE 0711-1 6,5 mm (Luftstrecke) und 5 mm (Kriechstrecke) . Bisher werden diese Abstände meist durch eine entsprechende Beabstandung der Primärseite von der Sekundärseite, insbesondere einem Kühlkörper, eingehalten, was jedoch eine vergleichsweise große Bauform bedingt.One of the main problems in downsizing luminaires with LEDs is the distances that must be maintained between the primary and secondary sides of an associated power supply. The separation is essential because the LEDs electrically conductive on the heat sink and thus usually rest on a touchable metal body. To the primary side, typically all primary components as well as the transformer core are counted. The required distances between the primary side and secondary-side components are, for example, according to DIN EN 60598-1 or VDE 0711-1 6.5 mm (air gap) and 5 mm (creepage distance). So far, these distances are usually maintained by a corresponding spacing of the primary side of the secondary side, in particular a heat sink, but this requires a comparatively large design.
Es ist die Aufgabe der vorliegenden Erfindung, eine kompakte Leuchtvorrichtung mit einer hohen elektrischen Isolierung zwischen Primär- und Sekundärseite bereitzustellen.It is the object of the present invention to provide a compact lighting device with a high electrical insulation between the primary and secondary side.
Diese Aufgabe wird mittels einer Leuchtvorrichtung nach Anspruch 1 gelöst. Bevorzugte Ausführungsformen sind insbesondere den abhängigen Ansprüchen entnehmbar.This object is achieved by means of a lighting device according to claim 1. Preferred embodiments are in particular the dependent claims.
Die Leuchtvorrichtung weist mindestens ein Leuchtmittel (z. B. eine Gasentladungslampe oder eine Leuchtdiode, LED) auf, sowie eine Stromversorgungseinheit zur Stromversorgung des mindestens einen Leuchtmittels. Die Leuchtvorrichtung weist ferner einen Kühlkörper zur Kühlung des mindestens einen Leuchtmittels auf. Der Kühlkörper kann ein aktiv oder passiv kühlender Kühlkörper sein. Das mindestens eine Leuchtmittel ist zur Wärmeableitung an dem Kühlkörper befestigt und von der Stromversorgungseinheit durch den Kühlkörper getrennt. In anderen Worten sind das mindestens eine Leuchtmittel und die Stromversorgungseinheit an gegenüberliegenden Seiten zumindest eines Kühlkörperbereichs angeordnet. Die Stromversorgungseinheit weist eine elektrisch isolierende Abdeckkappe auf, die Stromversorgungseinheit vom Kühlkörper trennt.The lighting device has at least one light source (eg a gas discharge lamp or a light emitting diode, LED), as well as a power supply unit for the power supply of the at least one light source. The lighting device has Furthermore, a heat sink for cooling the at least one light source. The heat sink may be an active or passive cooling heat sink. The at least one light-emitting means is attached to the heat sink for heat dissipation and separated from the power supply unit by the heat sink. In other words, the at least one lighting means and the power supply unit are arranged on opposite sides of at least one heat sink area. The power supply unit has an electrically insulating cap which separates the power supply unit from the heat sink.
Mittels der Abdeckkappe wird erstens eine direkt gegenüberliegende Anordnung (ohne elektrische Isolation oder nur mit einer Luftstrecke) verhindert. Die kürzeste Luft- oder Kriechstrecke zwischen der Primärseite (Stromversorgungseinheit) und dem Kühlkörper läuft dann um die Abdeckkappe herum. Da die Abdeckkappe eine Seitenwand aufweist, werden diese Strecken verlängert, wodurch eine verbesserte elektrische I- solierung zwischen Primär- und Sekundärseite und damit eine höhere Sicherheitsanforderung erfüllt werden kann, z. B. in Bezug auf die Schutzklassen I bis III gemäß DIN EN 60598-1. Gleichzeitig wird auf einfache Weise eine kompaktere Bauweise ermöglicht, da die Stromversorgungseinheit näher an den Kühlkörper herangeführt werden kann.By means of the cap firstly a directly opposite arrangement is prevented (without electrical insulation or only with an air gap). The shortest air or creepage distance between the primary side (power supply unit) and the heat sink then runs around the cap. Since the cap has a side wall, these distances are extended, whereby an improved electrical I- insulation between the primary and secondary side and thus a higher security requirement can be met, for. B. in terms of the protection classes I to III according to DIN EN 60598-1. At the same time a more compact design is possible in a simple manner, since the power supply unit can be brought closer to the heat sink.
Es kann zur einfachen Erreichung des Leuchtmittels eine Leuchtvorrichtung bevorzugt sein, bei welcher der Kühlkörper eine Durchführung für mindestens eine Anschlussleitung zwischen der Stromversorgungseinheit und dem mindestens einen Leuchtmittel aufweist.It can be preferred for easy achievement of the bulb, a lighting device in which the heat sink has a passage for at least one connecting cable between the power supply unit and the at least one light source.
Es kann eine Leuchtvorrichtung bevorzugt sein, bei welcher auch die Abdeckkappe mindestens eine Durchführung, insbesondere frontale Durchführung, aufweist, welche sich durch die Durchführung des Kühlkörpers erstreckt. Dadurch wird eine Anordnung geschaffen, bei der die Anschlussleitung (en) unter geringem Verlegungsaufwand und verschleißunanfällig direkt zur Vorderseite des Kühlkörpers geführt werden kann bzw. können. Die Länge der Luftstrecke hängt dann stark von der Länge der Erstreckung der Durchführung der Abdeckkappe ab. Sie ist dann vorzugsweise zumindest um die Dicke der Durchführung des Kühlkörpers länger als bei nicht vorhandener Abdeckkappe. Die Erstreckung ist vorzugsweise rohrförmig.A lighting device may be preferred in which the cover cap also has at least one bushing, in particular a frontal bushing, which extends through the passage of the heat sink. As a result, an arrangement is created in which the connecting line (s) with low installation costs and wear-susceptible directly can be performed to the front of the heat sink or can. The length of the air gap then depends heavily on the length of the extension of the implementation of the cap. It is then preferably at least the thickness of the implementation of the heat sink longer than in the absence of cap. The extension is preferably tubular.
Zur einfachen Montage und Abdichtung kann eine Leuchtvorrichtung bevorzugt sein, bei der die Abdeckkappe an einer Aufnah- me für die Stromversorgungseinheit fest oder lose anliegt. Die Anlageflächen können auch miteinander verklebt oder verschweißt sein.For ease of mounting and sealing, a lighting device may be preferred in which the cover cap rests firmly or loosely on a receptacle for the power supply unit. The contact surfaces can also be glued or welded together.
Zur einfachen Herstellung und Erreichung einer hohen Dichtig- keit kann eine Leuchtvorrichtung bevorzugt sein, , bei der die Abdeckkappe mit einer, insbesondere rohrförmigen, Aufnahme für die Stromversorgungseinheit einstückig verbunden ist. Dann wird als Material ein Kunststoff bevorzugt, z. B. PVC, da sich dieses einfach spritzgiessen lässt.For easy production and achievement of a high degree of tightness, a lighting device may be preferred, in which the cover cap is integrally connected to a receptacle for the power supply unit, in particular a tubular one. Then a plastic is preferred as the material, for. As PVC, as this can be easily injection-molded.
Es kann, insbesondere zur Sicherstellung einer langen Luftoder Kriechstrecke, eine Leuchtvorrichtung bevorzugt sein, bei der die Abdeckkappe eine geschlossene Form aufweist, also keine Durchführung mit umlaufendem Rand, aufweist. Die An- Schlussleitung (en) wird bzw. werden dann um den Rand der Abdeckung herumgeführt und Außen an der Abdeckung zum mindestens einen Leuchtmittel geführt, vorzugsweise durch eine Durchführung durch den Kühlkörper.It may be preferable, in particular to ensure a long air or creepage distance, a lighting device in which the cap has a closed shape, so no implementation with circumferential edge has. The connecting lead (s) is / are then guided around the edge of the cover and guided outside on the cover to the at least one light source, preferably by a passage through the heat sink.
Zur einfachen Montage kann aber auch eine Leuchtvorrichtung bevorzugt sein, bei der die Abdeckkappe zumindest teilweise über die Stromversorgungseinheit aufgesteckt ist. Die Abdeckkappe kann insbesondere mit einer offenen Seite über einen abzudeckenden Gegenstand aufgesteckt werden und deckt diesen frontal (bezüglich der Aufsatzrichtung) und mittels einer - zumeist umlaufenden - Seitenwand auch mindestens teilweise seitlich ab. Es wird eine Leuchtvorrichtung bevorzugt, bei der die Stromversorgungseinheit mindestens eine mit mindestens einem Transformator bestückte Leiterplatte aufweist und die Abdeck- kappe zumindest teilweise über den Transformator aufgesteckt ist. Bei der Platinenbauweise wird die isolierende Abdeckkappe vorzugsweise über den Transformator und die Platine aufgesteckt, dass sie durch Klemmung hält. Es sind jedoch auch transformatorlose Stromversorgungseinheiten einsetzbar, so- lange diese eine Primärseite und eine Sekundärseite, insbesondere eine von der Primärseite galvanisch getrennte Sekundärseite, aufweisen.For ease of installation, however, a lighting device may also be preferred in which the cover cap is at least partially plugged over the power supply unit. The cap can be attached in particular with an open side over an object to be covered and covers this frontally (with respect to the direction of attachment) and by means of a - mostly circumferential - sidewall at least partially laterally. A lighting device is preferred in which the power supply unit has at least one printed circuit board equipped with at least one transformer and the cover cap is at least partially plugged over the transformer. In the board construction, the insulating cap is preferably placed over the transformer and the board that it holds by clamping. However, transformerless power supply units can also be used as long as they have a primary side and a secondary side, in particular a secondary side which is galvanically separated from the primary side.
Es wird auch eine Leuchtvorrichtung bevorzugt, die mindestens eine Anschlussleitung zwischen der Stromversorgungseinheit und dem mindestens einen Leuchtmittel zur Speisung des Leuchtmittels aufweist. Dabei kann die Anschlussleitung direkt an das mindestens eine Leuchtmittel angeschlossen werden; alternativ können elektrische oder elektronische Elemen- te zwischengeschaltet sein, z. B. ein Treiber zur Steuerung des mindestens einen Leuchtmittels, insbesondere LED.A lighting device is also preferred which has at least one connecting line between the power supply unit and the at least one lighting means for feeding the lighting means. In this case, the connection line can be connected directly to the at least one light source; Alternatively, electrical or electronic elements can be interposed, for. B. a driver for controlling the at least one light source, in particular LED.
Es wird bevorzugt, wenn die Anschlussleitung in dem von der Abdeckung überdeckten Raum an die Stromversorgungseinheit an- geschlossen ist, da so die Luft- und Kriechstrecke zwischen dem primärseitigen Anschluss der Leitung und dem Kühlkörper verlängert wird.It is preferred if the connection line is connected to the power supply unit in the space covered by the cover, since in this way the creepage distance between the primary-side connection of the line and the heat sink is extended.
Es wird eine Abdeckkappe bevorzugt, die eine schalenförmig Grundform aufweist. Dabei sind verschiedene Variationen denkbar, z. B. mit ebenem oder gekrümmtem Boden, gerader oder ge- krümmter Seitenwand, runder (kreisförmiger, ovaler usw.) oder eckiger, z. B. quaderförmiger, Aufsichtskontur und so weiter. Zur einfacheren Aufstecken ist die Abdeckkappe vorzugsweise aus flexiblem Material hergestellt. Die Abdeckkappe kann durch Klemmsitz fixiert werden, aber auch auf andere Weise wie Kleben, Rasten und so weiter. Selbstverständlich kann die Abdeckkappe auch nicht flexibel ausgestaltet sein, z. B. aus PVC hergestellt sein.A cap which has a shell-shaped basic shape is preferred. Various variations are conceivable, for. B. with a flat or curved bottom, straight or curved side wall, round (circular, oval, etc.) or square, z. B. cuboid, planing contour and so on. For easier attachment, the cap is preferably made of flexible material. The cap can be fixed by a press fit, but also in other ways such as gluing, notching and so on. Of course, the cap can not be designed flexible, z. B. be made of PVC.
Es kann zur verringerten Störanfälligkeit eine Leuchtvorrichtung bevorzugt sein, bei der die Abdeckkappe mit einem Mittel zur Drehsicherung ausgerüstet ist.It may be preferred to reduce the susceptibility to failure, a lighting device in which the cap is equipped with a means for rotational security.
Es kann zur verringerten Störanfälligkeit auch eine Leuchtvorrichtung bevorzugt sein, bei der die Abdeckkappe mit einem Mittel zur Fixierung der Stromversorgungseinheit ausgerüstet ist.It may be preferred to reduce susceptibility to failure, a lighting device in which the cap is equipped with a means for fixing the power supply unit.
Das Leuchtmittel ist grundsätzlich nicht eingeschränkt und kann eine Gasentladungslampe oder auch Glühlampe aufweisen. Es wird jedoch eine Leuchtvorrichtung bevorzugt, bei der das Leuchtmittel mindestens eine Halbleiterlichtquelle wie einen Diodenlaser, insbesondere aber eine Leuchtdiode, aufweist.The lighting means is basically not limited and may have a gas discharge lamp or incandescent lamp. However, a luminous device is preferred in which the luminous means has at least one semiconductor light source such as a diode laser, but in particular a light-emitting diode.
Das Leuchtmittel kann beispielsweise als LED-Modul mit einer Leuchtdiode oder mehreren Leuchtdioden vorliegen. Die einzel- nen Leuchtdioden können jeweils einfarbig oder mehrfarbig, z. B. weiß, abstrahlen. Bei Vorliegen mehrerer Leuchtdioden können diese z. B. gleichfarbig (einfarbig oder mehrfarbig) und / oder verschiedenfarbig leuchten. So mag ein LED-Modul mehrere Einzel-LEDs ( ' LED-Cluster ' ) aufweisen, welche zusammen ein weißes Mischlicht ergeben können, z. B. in 'kaltweiß' o- der 'warmweiß'. Zur Erzeugung eines weißen Mischlichts um- fasst das LED-Cluster bevorzugt Leuchtdioden, die in den Grundfarben rot (R), grün (G) und blau (B) leuchten. Dabei können einzelne oder mehrere Farben auch von mehreren LEDs gleichzeitig erzeugt werden; so sind Kombinationen RGB, RRGB, RGGB, RGBB, RGGBB usw. möglich. Jedoch ist die Farbkombination nicht auf R, G und B (und A) beschränkt. Zur Erzeugung ei- nes warmweißen Farbtons können beispielsweise auch eine oder mehrere bernsteinfarbige LEDs 'amber' (A) vorhanden sein. Bei LEDs mit unterschiedlichen Farben können diese auch so angesteuert werden, dass das LED-Modul in einem durchstimmbaren RGB-Farbbereich abstrahlt. Zur Erzeugung eines weißen Lichts aus einer Mischung von blauem Licht mit gelbem Licht können auch mit Leuchtstoff versehene blaue LED-Chips verwendet werden, z. B. in Oberflächen-imontagetechnik, z. B. in ThInGaN- Technik. Dann kann ein LED-Modul auch mehrere weiße Einzel- Chips aufweisen, wodurch sich eine einfache Skalierbarkeit des Lichtstroms erreichen lässt. Die Einzel-Chips und / oder die Module können mit geeigneten Optiken zur Strahlführung ausgerüstet sein, z. B. Fresnel-Linsen, Kollimatoren, und so weiter. Es können an einem Kontakt mehrere gleiche oder ver- schiedenartige LED-Module angeordnet sein, z. B. mehrere gleichartige LED-Module auf dem gleichen Substrat. Statt oder zusätzlich zu anorganischen Leuchtdioden, z. B. auf Basis von InGaN, InGAlP oder AlInGaP, sind allgemein auch organische LEDs (OLEDs) einsetzbar. Auch können als Halbleiterlichtquel- len z. B. Diodenlaser verwendet werden.The light-emitting means can be present, for example, as an LED module with one light-emitting diode or several light-emitting diodes. The individual LEDs can each monochrome or multicolor, z. B. white, radiate. In the presence of several LEDs, these z. B. same color (monochrome or multi-colored) and / or different colors shine. Thus, an LED module may have a plurality of individual LEDs ('LED cluster'), which together can give a white mixed light, z. B. in 'cold white' or 'warm white'. To generate a white mixed light, the LED cluster preferably includes light-emitting diodes which shine in the primary colors red (R), green (G) and blue (B). In this case, single or multiple colors can also be generated by several LEDs simultaneously; Combinations RGB, RRGB, RGGB, RGBB, RGGBB etc. are possible. However, the color combination is not limited to R, G and B (and A). To generate a For example, one or more amber LEDs 'amber' (A) may also be present in a warm white color tone. For LEDs with different colors, these can also be controlled so that the LED module radiates in a tunable RGB color range. To produce a white light from a mixture of blue light with yellow light, phosphor LED blue chips can also be used, e.g. B. in surface-mounting technique, z. B. in ThInGaN technology. Then, an LED module can also have a plurality of white single chips, which can be a simple scalability of the luminous flux can be achieved. The individual chips and / or the modules can be equipped with suitable optics for beam guidance, z. B. Fresnel lenses, collimators, and so on. It can be arranged on a contact several identical or different LED modules, for. B. several similar LED modules on the same substrate. Instead of or in addition to inorganic light emitting diodes, z. As based on InGaN, InGAlP or AlInGaP, organic LEDs (OLEDs) are generally used. Also, as semiconductor light sources, e.g. B. diode lasers are used.
In den folgenden Figuren wird die Erfindung anhand von Ausführungsbeispielen schematisch genauer beschrieben. Dabei können zur besseren Übersichtlichkeit gleiche oder gleichwir- kende Elemente mit gleichen Bezugszeichen versehen sein.In the following figures, the invention will be described schematically with reference to exemplary embodiments. For the sake of clarity, identical or equivalent elements may be provided with the same reference numerals.
FIG 1 zeigt als Schnittdarstellung in Seitenansicht eine LED-Leuchtvorrichtung gemäß einer ersten Ausführungsform;1 shows a sectional side view of an LED lighting device according to a first embodiment;
FIG 2 zeigt als Schnittdarstellung in Seitenansicht eine LED-Leuchtvorrichtung gemäß einer zweiten Ausführungsform;2 shows a sectional side view of an LED lighting device according to a second embodiment;
FIG 3 zeigt als Schnittdarstellung in Seitenansicht eine LED-Leuchtvorrichtung gemäß einer dritten Ausführungsform; FIG 4 zeigt als Schnittdarstellung in Seitenansicht eine LED-Leuchtvorrichtung gemäß einer vierten Ausführungsform;3 shows a sectional side view of an LED lighting device according to a third embodiment; 4 shows a sectional side view of an LED lighting device according to a fourth embodiment;
FIG 5 zeigt als Schnittdarstellung in Seitenansicht eine LED-Leuchtvorrichtung gemäß einer fünften Ausführungsform.5 shows a sectional side view of an LED lighting device according to a fifth embodiment.
FIG 1 zeigt eine LED-Leuchtvorrichtung 1 gemäß einer ersten Ausführungsform. Die Vorrichtung weist mehrere Leuchtdioden 2 auf, die zusammen mit zugehörigen elektronischen Bauelementen 3 auf einer Oberseite einer Platine 4 montiert sind. Die e- lektronischen Bauelemente stellen zumindest einen Treiber zur gesteuerten Speisung der Leuchtdioden bereit. Zur Wärmeabfuhr von den Leuchtdioden 2 und den elektronischen Bauelementen 3 ist die Platine 4 als Metallkernplatine ausgeführt, die mit ihrer Unterseite auf einem planen Auflagebereich 5 eines metallischen Kühlkörpers 6 aufliegt. Der Auflagebereich 5 ist seitlich von einer umlaufenden Seitenwand 7 umgeben, welche (rechts vom Auflagebereich 5, in z-Richtung) mit dem Auflagebereich 5 einen becherförmigen Reflektor für das von den LEDs 2 abgestrahlte Licht bildet. Unterhalb (bezüglich der z- Richtung) des Auflagebereichs 5 bildet die umlaufende Seiten- wand 7 einen Verbindungsbereich 8 zum Einsatz bzw. eines elektrisch isolierenden, zumindest endständig rohrförmigen Kunststoffkörpers 9 mit gebogenem (z. B. runden oder ovalen) oder eckigen (z. B. quadratischen oder n-eckigen (n ≥ 5) Profil. Der Kunststoffkörpers 9 dient als Aufnahme für eine Stromversorgungseinheit 10 und beherbergt zumindest einen Teil der Stromversorgungseinheit 10. Die Stromversorgungseinheit 10 weist hier eine Leiterplatte 11 mit einem auf einer Oberseite davon befestigten Transformator 12 auf. Der Transformator 12 ist an demjenigen äußeren Rand der Leiterplatte 11 angeordnet, welcher dem Auflagebereich 5 des Kühlkörpers 6 direkt gegenüberliegt. Insbesondere befindet sich der sekun- därseitige Anschluss 13 des Transformators 12 in Nähe des Randes. An dem sekundärseitigen Anschluss 13 ist eine Anschlussleitung 14 angeschlossen, welche durch eine mittige Durchführung 15 im Auflagebereich 5 des Kühlkörpers 6 und durch eine sich anschließende Durchführung 16 in der Metall- kernplatine 5 zu deren Oberseite zum elektrischen Anschluss führt.1 shows an LED lighting device 1 according to a first embodiment. The device has a plurality of light emitting diodes 2, which are mounted together with associated electronic components 3 on an upper side of a circuit board 4. The electronic components provide at least one driver for the controlled supply of the light-emitting diodes. For heat dissipation from the light emitting diodes 2 and the electronic components 3, the circuit board 4 is designed as a metal core board, which rests with its underside on a flat support area 5 of a metallic heat sink 6. The support area 5 is laterally surrounded by a circumferential side wall 7, which (to the right of the support area 5, in the z-direction) forms a cup-shaped reflector for the light emitted by the LEDs 2 with the support area 5. Below (with respect to the z direction) of the support region 5, the circumferential side wall 7 forms a connection region 8 for use or an electrically insulating, at least terminal tubular plastic body 9 with curved (eg round or oval) or angular (eg. The plastic body 9 serves as a receptacle for a power supply unit 10 and accommodates at least a part of the power supply unit 10. The power supply unit 10 here has a printed circuit board 11 with a transformer 12 attached to an upper side thereof The transformer 12 is arranged on that outer edge of the printed circuit board 11, which lies directly opposite the support region 5 of the heat sink 6. In particular, the secondary-side connection 13 of the transformer 12 is located in the vicinity of the Edge. At the secondary-side terminal 13, a connecting line 14 is connected, which leads through a central passage 15 in the support area 5 of the heat sink 6 and by a subsequent passage 16 in the metal core board 5 to the top to the electrical connection.
Ohne weitere Maßnahmen würde die Luftstrecke zwischen der Primärseite der Stromversorgung 10, welche bis zum äußersten dem Auflagebereich 5 des Kühlkörpers gegenüberliegenden Ende reicht, in etwa dem Abstand der Stromversorgungseinheit 10 zu dem Auflagebereich 5 entsprechen. Jedoch ist über die Stromversorgungseinheit 10 eine elektrisch isolierende Abdeckkappe 17 soweit vom kühlkörperseitigen Ende aus aufgesteckt, dass sie teilweise über den Transformator 12 und die Leiterplatte 11 reicht. Die Abdeckkappe 17 trennt die Stromversorgungseinheit 10 dadurch vom Kühlkörper 6, so dass auch Primär- und Sekundärseite voneinander getrennt werden. Da die Abdeckkappe 17 eine geschlossene Form aufweist, muss die Anschlussleitung 14 um die Kappe 17 herum geführt werden. Auf diese Weise können sowohl die erforderliche Luft- als auch die Kriechstrecke selbst dann eingehalten werden, wenn der Kühlkörper 6 direkt neben dem Transformator 12 liegt. Die Bauteile der Sekundärseite befinden sich auf der Metallkernplatine 4 mit den LEDs 2. Durch die so verkleinerte Bauform ist es insbesondere möglich, Normen bezüglich der Baugröße einzuhalten.Without further measures, the air gap between the primary side of the power supply 10, which extends to the extreme opposite the support area 5 of the heat sink end, approximately correspond to the distance of the power supply unit 10 to the support area 5. However, via the power supply unit 10, an electrically insulating cap 17 is plugged so far from the heat sink side end that it extends partially over the transformer 12 and the circuit board 11. The cap 17 separates the power supply unit 10 thereby from the heat sink 6, so that the primary and secondary sides are separated from each other. Since the cap 17 has a closed shape, the connecting lead 14 must be guided around the cap 17. In this way, both the required air and the creepage distance can be maintained even if the heat sink 6 is located directly next to the transformer 12. The components of the secondary side are located on the metal core board 4 with the LEDs 2. Due to the reduced size, it is in particular possible to comply with standards in terms of size.
FIG 2 zeigt eine LED-Leuchtvorrichtung 18 gemäß einer zweiten Ausführungsform. Im Unterschied zur ersten Ausführungsform gemäß FIG 1 weist die Abdeckkappe 19 eine bodenseitig mittige2 shows an LED lighting device 18 according to a second embodiment. In contrast to the first embodiment shown in FIG 1, the cap 19 has a bottom-side center
(frontale in Aufsetzrichtung gegen die z-Achse) Durchführung(frontal in Aufsetzrichtung against the z-axis) implementation
(Kanal) 20 auf. Die Durchführung 20 weist eine sich durch die(Channel) 20 on. The passage 20 has a through the
Durchführung 15 des Kühlkörpers 6 erstreckende rohrförmigePassage 15 of the heat sink 6 extending tubular
Erstreckung 21 auf. Die Anschlussleitung 14 kann nun statt um die Kappe herum durch die Durchführung .20 zur Oberseite der Metallkernplatine 4 geführt werden. Dadurch kann eine seitlich (senkrecht zur z-Achse) kompaktere Bauform erreicht wer- den. Die Luft- und Kriechstrecke wird hier im Wesentlichen aus dem Abstand von Stromversorgungseinheit 10 zur Durchführung 20, der Länge der Durchführung 20 (entlang der z-Achse) und dem Abstand der Öffnung der Durchführung zur Metallkern- platine 4 berechnet.Extension 21 up. The connecting line 14 can now be guided instead of around the cap through the passage .20 to the top of the metal core board 4. As a result, a more compact design can be achieved laterally (perpendicular to the z-axis). the. The clearance and creepage distance is calculated here essentially from the distance from the power supply unit 10 to the feedthrough 20, the length of the feedthrough 20 (along the z-axis) and the distance of the opening of the feedthrough to the metal core board 4.
Zur Herstellung der Leuchtvorrichtung 18 kann die Abdeckkappe 19 vor Zusammenführung von Stromversorgungseinheit 20 und Kühlkörper 6 an der Stromversorgungseinheit 20 oder am Kühl- körper 6 befestigt sein.To produce the lighting device 18, the cap 19 may be attached to the power supply unit 20 or the cooling body 6 before the power supply unit 20 and the heat sink 6 are combined.
FIG 3 zeigt eine Leuchtvorrichtung 22, bei der im Gegensatz zu der Leuchtvorrichtung 18 aus FIG 2 die Abdeckkappe 23 nicht auf die Stromversorgungseinheit 10 aufgesteckt ist, sondern mit der Außenseite ihrer Seitenwand an der als Kunststoffkörper ausgebildeteten Aufnahme 9 für die Stromversorgungseinheit 10 befestigt ist. Die Abdeckkappe 23 kann beispielsweise in der rohrförmigen Aufnahme 9 locker oder fest sitzen und / oder daran angeklebt oder gerastet sein.3 shows a lighting device 22, in which, in contrast to the lighting device 18 of FIG 2, the cap 23 is not attached to the power supply unit 10, but is attached to the outside of its side wall on the trained as a plastic body receptacle 9 for the power supply unit 10. The cap 23 may, for example, loose or tight sitting in the tubular receptacle 9 and / or be glued or snapped thereto.
FIG 4 zeigt eine Leuchtvorrichtung 24, bei der nun die Abdeckkappe 25 einstückig mit der Aufnahme 26 ausgeführt ist und also einen Teilbereich, hier: endseitigen Teilbereich, davon darstellt. Die Abdeckkappe 25 mit der Aufnahme 26 kann beispielsweise durch Spritzgießen von Kunststoff, z. B. PVC, hergestellt sein. Wie in den Ausführungsformen nach FIG 2 und4 shows a lighting device 24, in which now the cap 25 is made in one piece with the receptacle 26 and thus represents a portion, here: end portion, thereof. The cap 25 with the receptacle 26, for example, by injection molding of plastic, for. As PVC, be prepared. As in the embodiments of FIG 2 and
FIG 3 weist der Abdeckkappenbereich 25 eine Durchführung 203, the cover cap region 25 has a passage 20
(entlang der z-Achse) auf. Diese Ausführungsform weist den(along the z-axis). This embodiment has the
Vorteil auf, dass durch die einstückige Ausführung der Kühl- körper 6 gegen die Stromversorgungseinheit bis auf die Durchführung 20 abgedichtet ist.Advantage that is sealed by the one-piece design of the cooling body 6 against the power supply unit to the implementation 20.
FIG 5 zeigt eine Leuchtvorrichtung 27 ähnlich zu derjenigen aus FIG 4, wobei die mit der Aufnahme 28 einstückig ausge- führte Abdeckkappe 29 nun aber Stege 30 zur Fixierung der Platine 4 der Stromversorgungseinheit 10 aufweist, wobei die Platine 4 zur Fixierung in die Stege 30 eingesteckt wird. Selbstverständlich ist die vorliegende Erfindung nicht auf die gezeigten Ausführungsbeispiele beschränkt.FIG. 5 shows a lighting apparatus 27 similar to that of FIG. 4, wherein the covering cap 29 integrally formed with the receptacle 28 now has webs 30 for fixing the circuit board 4 of the power supply unit 10, the circuit board 4 being inserted into the webs 30 for fixing purposes becomes. Of course, the present invention is not limited to the embodiments shown.
So kann die Kappe allgemein mit einer Verdrehsicherung ausgerüstet sein. Dies kann beispielsweise durch mindestens einen Steg in der Kappe - insbesondere an einer Außenseite der Seitenwand - als Eingriffselement und eine dazu passende Nut im Gehäuse als Eingriffsgegenelement realisiert werden, oder um- gekehrt. Es sind aber auch andere rastende, steckende, klemmende usw. Verdrehsicherung möglich, z. B. auch im Zusammenspiel zwischen Kappe und Kühlkörper.Thus, the cap can be generally equipped with a rotation. This can be realized for example by at least one web in the cap - in particular on an outer side of the side wall - as an engagement element and a matching groove in the housing as a counter-engagement element, or vice versa. But there are also other restraining, sticking, clamping, etc. Verdrehsicherung possible, for. B. also in the interaction between the cap and heat sink.
Die Kappe kann allgemein ein Fixierungsmittel mit ein oder mehreren Fixierungselementen zur Fixierung bzw. Halterung der Stromversorgungseinheit aufweisen .The cap can generally have a fixing means with one or more fixing elements for fixing or holding the power supply unit.
Der Kühlkörper braucht lediglich eine elektrisch leitende Oberfläche aufzuweisen und kann außer aus Metall z. B. auch aus einem elektrisch leitenden Kunststoff oder einer elektrisch leitenden Keramik, z. B. mit AlN, aufgebaut sein oder damit beschichtet sein. The heat sink only needs to have an electrically conductive surface and except for metal z. B. also made of an electrically conductive plastic or an electrically conductive ceramic, for. B. with AlN, be built or coated with it.
Bezugs zeichenlisteReference sign list
1 LED-Leuchtvorrichtung1 LED lighting device
2 Leuchtdiode 3 elektronisches Bauelement2 LED 3 electronic component
4 Metallkernplatine4 metal core board
5 Auflagebereich5 circulation area
6 Kühlkörper6 heatsinks
7 Seitenwand 8 Verbindungsbereich7 side wall 8 connection area
9 Kunststoffkörper9 plastic body
10 Stromversorgungseinheit10 power supply unit
11 Leiterplatte11 circuit board
12 Transformator 13 sekundärseitiger Anschluss12 transformer 13 secondary connection
14 Anschlussleitung14 connecting cable
15 Durchführung15 implementation
16 Durchführung16 implementation
17 Abdeckkappe 18 Leuchtvorrichtung17 cap 18 lighting device
19 Abdeckkappe19 cap
20 Durchführung20 implementation
21 rohrförmige Erstreckung21 tubular extension
22 Leuchtvorrichtung 23 Abdeckkappe22 lighting device 23 cap
24 Leuchtvorrichtung24 lighting device
25 Abdeckkappe 26 Aufnahme25 cap 26 recording
27 Leuchtvorrichtung 28 Aufnahme27 lighting device 28 recording
29 Abdeckkappe29 cap
30 Steg 30 footbridge

Claims

Patentansprüche claims
1. Leuchtvorrichtung (1 ; 18 ; 22 ; 24 ; 27) , aufweisend1. Lighting device (1; 18; 22; 24; 27) comprising
- mindestens ein Leuchtmittel (2), — eine Stromversorgungseinheit (10) für das mindestens eine Leuchtmittel (2) und- At least one light source (2), - A power supply unit (10) for the at least one light source (2) and
— einen Kühlkörper (6) zur Kühlung des mindestens einen Leuchtmittels (2), wobei das mindestens eine Leuchtmittel (2) an dem Kühl- körper (6) befestigt ist und von der Stromversorgungseinheit (10) durch den Kühlkörper (6) getrennt ist und wobei die Stromversorgungseinheit (10) eine elektrisch isolierende Kappe (17 ; 19; 23; 25; 29) aufweist, welche die Stromversorgungseinheit (10) vom Kühlkörper (6) trennt.A cooling body (6) for cooling the at least one luminous means (2), wherein the at least one luminous means (2) is fixed to the cooling body (6) and is separated from the power supply unit (10) by the cooling body (6) and wherein the power supply unit (10) has an electrically insulating cap (17; 19; 23; 25; 29) which separates the power supply unit (10) from the heat sink (6).
2. Leuchtvorrichtung (1 ; 18 ; 22 ; 24 ; 27) nach Anspruch 1, bei welcher der Kühlkörper (6) eine Durchführung (15) für mindestens eine Anschlussleitung (14) zwischen der Stromversorgungseinheit (10) und dem mindestens einen Leucht- mittel (2) aufweist2. lighting device (1; 18; 22; 24; 27) according to claim 1, wherein the heat sink (6) has a passage (15) for at least one connecting line (14) between the power supply unit (10) and the at least one lamp (2)
3. Leuchtvorrichtung (18 ; 22 ; 24 ; 27) nach Anspruch 2, bei welcher die Abdeckkappe (19; 23; 25; 29) mindestens eine Durchführung (20), insbesondere frontale Durchführung (20), aufweist, welche sich durch die Durchführung (15) des Kühlkörpers (6) erstreckt.3. Lighting device (18; 22; 24; 27) according to claim 2, wherein the cap (19; 23; 25; 29) at least one passage (20), in particular frontal passage (20), which extends through the passage (15) of the heat sink (6).
4. Leuchtvorrichtung (22) nach Anspruch 3, bei der die Abdeckkappe (23) an einer Aufnahme (9) für die Stromversor- gungseinheit (10) anliegt.4. lighting device (22) according to claim 3, wherein the cover cap (23) on a receptacle (9) for the power supply unit (10).
5. Leuchtvorrichtung (24;27) nach Anspruch 3, bei der die Abdeckkappe (25; 29) mit einer Aufnahme (26; 28) für die Stromversorgungseinheit (10) einstückig verbunden ist. 5. lighting device (24; 27) according to claim 3, wherein the cover cap (25; 29) with a receptacle (26; 28) for the power supply unit (10) is integrally connected.
6. Leuchtvorrichtung (1) nach einem der Ansprüche 1 oder 2, bei der die Abdeckkappe (17) eine geschlossene Form aufweist .6. lighting device (1) according to any one of claims 1 or 2, wherein the cover cap (17) has a closed shape.
7. Leuchtvorrichtung (1;18) nach einem der vorhergehenden Ansprüche, bei der die Abdeckkappe (17; 19) zumindest teilweise über die Stromversorgungseinheit (10) aufgesteckt ist.7. Lighting device (1, 18) according to one of the preceding claims, wherein the cover cap (17, 19) is at least partially plugged over the power supply unit (10).
8. Leuchtvorrichtung (1;18) nach Anspruch 7, bei der die Stromversorgungseinheit (10) eine mit einem Transformator (12) bestückte Leiterplatte (11) aufweist und die Abdeckkappe (17;19;29) zumindest teilweise über den Transformator (12) aufgesteckt ist.8. Lighting device (1, 18) according to claim 7, wherein the power supply unit (10) has a transformer (12) equipped printed circuit board (11) and the cap (17; 19; 29) at least partially via the transformer (12). is plugged.
9. Leuchtvorrichtung (1 ; 18 ; 22 ; 24 ; 27) nach einem der vorhergehenden Ansprüche , ferner aufweisend mindestens eine Anschlussleitung (14) zwischen der Stromversorgungseinheit (10) und dem mindestens einen Leuchtmittel (2), wel- che in dem von der Abdeckung (17 ; 19; 23; 25; 29) überdeckten Raum an die Stromversorgungseinheit (10) angeschlossen ist.9. lighting device (1; 18; 22; 24; 27) according to any one of the preceding claims, further comprising at least one connecting line (14) between the power supply unit (10) and the at least one lighting means (2), which in the of Cover (17; 19; 23; 25; 29) covered space to the power supply unit (10) is connected.
10. Leuchtvorrichtung (1 ; 18 ; 22 ; 24 ; 27) nach einem der vorher- gehenden Ansprüche, bei der die Abdeckkappe10. Lighting device (1; 18; 22; 24; 27) according to one of the preceding claims, wherein the cap
(17 ; 19; 23; 25; 29) eine schalenförmig Grundform aufweist.(17; 19; 23; 25; 29) has a shell-shaped basic shape.
11. Leuchtvorrichtung (1 ; 18 ; 22 ; 24 ; 27) nach einem der vorhergehenden Ansprüche, bei der die Abdeckkappe (17;19;23;25;29) aus flexiblem Material hergestellt ist.A lighting device (1; 18; 22; 24; 27) according to any one of the preceding claims, wherein the cap (17; 19; 23; 25; 29) is made of flexible material.
12. Leuchtvorrichtung (1 ; 18 ; 22 ; 24 ; 27) nach einem der vorhergehenden Ansprüche, bei der die Abdeckkappe mit einem Mittel zur Drehsicherung ausgerüstet ist.12. A lighting device (1; 18; 22; 24; 27) according to any one of the preceding claims, wherein the cover cap is equipped with a means for anti-rotation.
13. Leuchtvorrichtung (27) nach einem der vorhergehenden Ansprüche, bei der die Abdeckkappe (29) mit einem Mittel (30) zur Fixierung der Stromversorgungseinheit (10) ausgerüstet ist.13. Lighting device (27) according to one of the preceding claims, wherein the cover cap (29) with a means (30) for fixing the power supply unit (10) is equipped.
14. Leuchtvorrichtung (1;19) nach einem der vorhergehenden Ansprüche, bei der das Leuchtmittel mindestens eine Leuchtdiode (2) aufweist. 14. Lighting device (1, 19) according to one of the preceding claims, wherein the lighting means comprises at least one light-emitting diode (2).
EP09780866.1A 2008-08-22 2009-07-21 Lighting device Active EP2313683B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008039365A DE102008039365A1 (en) 2008-08-22 2008-08-22 lighting device
PCT/EP2009/059345 WO2010020497A1 (en) 2008-08-22 2009-07-21 Lighting device

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EP2313683A1 true EP2313683A1 (en) 2011-04-27
EP2313683B1 EP2313683B1 (en) 2016-06-29

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EP (1) EP2313683B1 (en)
KR (1) KR101651527B1 (en)
CN (1) CN102132082B (en)
AU (1) AU2009284289B2 (en)
DE (1) DE102008039365A1 (en)
TW (1) TW201011205A (en)
WO (1) WO2010020497A1 (en)

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DE102008039365A1 (en) 2010-03-04
KR101651527B1 (en) 2016-08-26
TW201011205A (en) 2010-03-16
AU2009284289B2 (en) 2015-05-28
EP2313683B1 (en) 2016-06-29
WO2010020497A1 (en) 2010-02-25
AU2009284289A1 (en) 2010-02-25
CN102132082B (en) 2014-03-12
CN102132082A (en) 2011-07-20
KR20110048057A (en) 2011-05-09
US20110211352A1 (en) 2011-09-01

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