EP2411732B1 - Led luminaire - Google Patents

Led luminaire Download PDF

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Publication number
EP2411732B1
EP2411732B1 EP10712039.6A EP10712039A EP2411732B1 EP 2411732 B1 EP2411732 B1 EP 2411732B1 EP 10712039 A EP10712039 A EP 10712039A EP 2411732 B1 EP2411732 B1 EP 2411732B1
Authority
EP
European Patent Office
Prior art keywords
led
led module
module
connection
light head
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP10712039.6A
Other languages
German (de)
French (fr)
Other versions
EP2411732A1 (en
Inventor
Christoph Platzer
Jürgen Kreuzbichler
Thomas Riedler
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.)
Tridonic Jennersdorf GmbH
Tridonic GmbH and Co KG
Original Assignee
Tridonic Jennersdorf GmbH
Tridonic GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tridonic Jennersdorf GmbH, Tridonic GmbH and Co KG filed Critical Tridonic Jennersdorf GmbH
Publication of EP2411732A1 publication Critical patent/EP2411732A1/en
Application granted granted Critical
Publication of EP2411732B1 publication Critical patent/EP2411732B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • 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
    • 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
    • F21K9/20—Light sources comprising attachment means
    • 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
    • F21V19/006—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base
    • F21V19/0065—Fastening of light sources or lamp holders of point-like light sources, e.g. incandescent or halogen lamps, with screw-threaded or bayonet base at least one conductive element acting as a support means, e.g. spring-mounted contact plate in a bayonet base
    • 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
    • F21V19/04—Fastening of light sources or lamp holders with provision for changing light source, e.g. turret
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/14—Bayonet-type fastening
    • 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
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/14—Adjustable mountings
    • F21V21/30—Pivoted housings or frames
    • 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
    • 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
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
    • F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
    • 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R33/00—Coupling devices specially adapted for supporting apparatus and having one part acting as a holder providing support and electrical connection via a counterpart which is structurally associated with the apparatus, e.g. lamp holders; Separate parts thereof
    • H01R33/05—Two-pole devices
    • H01R33/46—Two-pole devices for bayonet type base

Definitions

  • the invention relates to an LED lamp (LED: light-emitting diode), which has an LED module with at least one LED as the light source and a light head with a heat sink, wherein the LED module for dissipating heat generated by the LED can, is thermally connected to the heat sink.
  • LED light-emitting diode
  • LED lights are known from the prior art. In the desire to change the optical properties of the LED light, so if, for example, a different colored emission light is desired, usually the entire LED light is replaced.
  • an LED lamp with a housing is known in which an LED board with a bayonet lock, which also produces electrically conductive connections between the housing and the board, is detachably held in the housing.
  • an LED lamp in which a light head, on which the LEDs are arranged, can be connected via a plug connection with a heat sink, which is on the other hand connected to a voltage source.
  • the invention is based on the object of specifying an LED lamp with improved possibilities for influencing the emission behavior of the luminaire.
  • an LED light which has an LED module with at least one LED as a light source and a light head with a heat sink, wherein the LED module for dissipating heat that can be generated by the LED, thermally with the Heat sink is connected.
  • the LED lamp has means for producing a detachable electrical, at least two-pole connection between the LED module and the light head and for establishing a releasable mechanical connection between the LED module and the light head.
  • the means are designed to establish or release the connection either by two successive translational movements of different directions or by a translational movement and a rotational movement or merely by a rotational movement.
  • the LED lamp has means for producing a detachable electrical, at least three-pole connection between the LED module and the light head.
  • different, serving as a light source and different colored light emitting LEDs can be controlled.
  • back channels for example, for temperature sensors, etc., are thereby made possible.
  • the means for producing an at least nine-pole connection between the LED module and the light head are advantageously formed. This allows particularly diverse control options. For example, eleven poles may be provided.
  • the means are also designed to produce a releasable mechanical connection between the LED module and the light head.
  • the lighthead, and optionally other components of the LED light can remain in the installed state at the installation of the LED light.
  • a change of the LED module by another LED module, for example, has other optical properties, this is possible in a simple manner.
  • the LED lamp can be particularly easily maintained, because by releasing the LED module from the light head accessibility to the LED module, as well as to those areas of the LED module and light head, which are provided for mutual contact.
  • the LED module comprises at least two, preferably at least three LEDs, each of which can generate light of a different color.
  • the means comprise plug contacts and the plug contacts contact pins, wherein in each case a contact pin for the realization of an electrical pole of the connection, wherein the means also comprise further elements for mechanical connection between the LED module and the light head.
  • the means are designed such that the connection can be made and released without tools. In this way, handling is particularly easy.
  • a particularly good heat transfer is possible when the LED module has a module surface and the heat sink a heat sink surface, in such a way that in the connected state, the module surface the heat sink surface area contacted.
  • the LED lamp further comprises a lamp operating device, wherein the lamp operating device is preferably connected via a support arm to the light head and / or to the LED module.
  • the LED light is particularly advantageous if it is an LED spotlight or an LED downlight.
  • Fig. 1 is a schematic view of an embodiment of an LED lamp 1 according to the invention shown.
  • the LED light 1 has an LED module 2 with at least one LED as the light source and a light head 4 with a heat sink 3.
  • Clearly visible in Fig. 1 Cooling ribs of the heat sink 3. To dissipate heat that can be generated by the at least one LED, the LED is thermally connected to the heat sink 3.
  • the LED module 2 may in particular comprise at least two, preferably at least three LEDs, each of which can generate light of a different color.
  • the LED light can produce light in a particularly large number of different colors.
  • the LED lamp 1 further comprises means for producing a detachable electrical, at least two-pole, preferably at least three-pole connection between the LED module 2 and the light head 4.
  • a detachable electrical, at least two-pole, preferably at least three-pole connection between the LED module 2 and the light head 4.
  • an at least nine-pole electrical connection between the LED module and the light head may be provided.
  • an eleven-pole connection can be provided in the exemplary embodiment.
  • Fig. 2 a view is shown on the light head 4 and the LED module 2 connected thereto.
  • the cooling fins can - as in Fig. 2 the case - be arranged radially oriented.
  • Fig. 3a is the in Fig. 2 shown light head 4 shown separately, in a perspective view of that side which is provided for connection to the LED module 2.
  • Fig. 3b a corresponding view is shown on this interface.
  • Fig. 4 this in Fig. 2 shown LED module 2 shown separately, in a perspective view of that side, which is provided for connection to the light head 4.
  • Fig. 5 shows the LED module 2 from another side, so that the bulbs are visible.
  • the means for producing the detachable electrical connection between the LED module 2 and the light head 4 may have plug contacts; these can - in Fig. 4 shown - contact pins 40 which are arranged on one of the two components LED module 2 or light head 4.
  • the contact pins 40 are arranged on the LED module 2.
  • eleven pins 40 are provided. In each case, a contact pin 40 serves to realize an electrical pole of the connection.
  • the plug contacts can continue on the corresponding other component, in the example shown so on the light head 4, for each contact pin 40 a counter element, for example in the form of a contact spring 42 include.
  • the means for producing the detachable electrical connection between the LED module 2 and the light head 4 may alternatively or additionally also have sliding contacts and / or spring contacts and / or cutting contacts.
  • the means are also designed to produce a detachable mechanical connection between the LED module 2 and the light head 4.
  • a detachable mechanical connection between the LED module 2 and the light head 4.
  • T-shaped elements 50 and on the other component, in this case the light head 4 corresponding recesses 52, such that by interaction of the T-shaped Elements 50 and the recesses 52 by means of a Translational movement and a subsequent rotational movement between the two components 2, 4 make the mechanical connection.
  • the means for producing the electrical and mechanical connection are in this case designed to produce or release the connection only by means of a translation movement and a rotational movement.
  • the contact pins 40 are arranged for this purpose on a first circular path, wherein the center of the first circular path is located on the axis of rotation of the rotational movement.
  • the T-shaped elements 50 are arranged on a second circular path whose center coincides with the center of the first circular path.
  • the radius of the first circular path is greater than the radius of the second circular path. In principle, however, the radius of the first circular path may be smaller than the radius of the second circular path.
  • a particularly simple handling in the operation of the LED light is possible if the means are designed such that the connection can be made without the aid of a tool and released again.
  • the embodiment shown above is suitable for this purpose.
  • FIGS. 6 and 7 Sketches for a first variant of the connection between the LED module 2 and the light head 4 are shown. It shows Fig. 6 a perspective sketch of the relevant parts and Fig. 7 a corresponding cross-section.
  • the means are designed to establish or release the connection by two successive translational movements of different directions. These directions are in Fig. 6 indicated by the arrows "1" and "2". The directions may in particular be perpendicular to each other.
  • corresponding contact springs 42 ' may be provided.
  • the contact pins 40 ' are here arranged along a line which is perpendicular to that translational movement, which represents the second translational movement when the connection is made. Therefore, one can speak here of a "linear locking with frontal contacting".
  • a slotted guide can be provided, as in Fig. 7 indicated. Furthermore, this can be done on one of the two mentioned components 2, 4 - as in Fig. 6 indicated - L-shaped holding elements 50 'and on the other component 4, 2 corresponding recesses 52' may be provided, in which the holding elements 50 'can engage.
  • the L-legs of the L-shaped holding elements 50 ' are in turn aligned along the two directions of translational movements.
  • FIG. 8 Another variant of the compound is in Fig. 8 outlined.
  • a hook-in element 60 and a latching element 62 can be provided on one of the two components 2, 4 and corresponding counter-elements on the other component 4, 2.
  • the suspension element 60 serves in particular to secure the axis of rotation.
  • FIGS. 9 and 10 sketches are shown to a third variant for the connection.
  • the contact pins 40 formed rectilinear and formed as counter-elements contact springs 42" provided.
  • two translational movements are provided; these are in Fig. 9 indicated by the two arrows "1" and "2".
  • a sliding guide can be provided for mechanical connection.
  • the contact pins 40 are here arranged along a line which runs parallel to that translational movement which represents the second translational movement when the connection is made. Therefore, it can be said here of a" linear locking with lateral contacting ".
  • FIGS. 11 to 13 sketches are shown to a fourth variant for the connection.
  • the counter elements are in particular in Fig. 13 to recognize that a cross-sectional sketch along in Fig. 11 marked line shows.
  • two translational movements are provided; these are in Fig. 11 indicated by the two arrows "1" and "2".
  • Fig. 12 indicated can for mechanical connection in turn be provided a slotted guide.
  • a slotted guide can be spoken of a "linear locking with front-side contacting".
  • the LED module 2 a in Fig. 4 have designated module surface 6 and the light head 4 or preferably directly the heat sink 3 in a Fig. 3b Have designated heat sink surface 7, such that in the connected state, the module surface 6, the heat sink surface 7 contacted surface.
  • the T-shaped elements 50 may be disposed directly on the module surface 6 and the corresponding recesses 52 on the heat sink surface 7. This is particularly advantageous in terms of heat dissipation from the LED, as a result, a particularly intensive areal contact between the both surfaces mentioned and thus produce a particularly good heat transfer.
  • the LED module 2 may have in its interior a circuit board on which the at least one LED is arranged or a plurality of LEDs are arranged.
  • the board is advantageously connected to the outer surface 14 with good thermal conductivity.
  • a thermal compound can be used for this purpose.
  • copper pins may be provided to transfer heat from the LED to the outer surface 14. Copper pins can also or alternatively be provided to conduct heat from the LED to the module surface 6 in order to improve the heat flow to the heat sink 3 in this way.
  • the illustrated LED lamp 1 may be formed as an LED spotlight.
  • the LED light 1, as in Fig. 1 indicated having a support arm 20 which is connected on the one hand to the light head 4 and on the other hand with a (not shown) lamp operating device, which may be arranged for example in the region of a light rail, which is provided for holding the LED lamp 1.

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

Description

Die Erfindung betrifft eine LED-Leuchte (LED: Licht emittierende Diode), die ein LED-Modul mit wenigstens einer LED als Leuchtmittel sowie einen Lichtkopf mit einem Kühlkörper aufweist, wobei das LED-Modul zur Abfuhr von Wärme, die durch die LED erzeugt werden kann, thermisch mit dem Kühlkörper verbunden ist.The invention relates to an LED lamp (LED: light-emitting diode), which has an LED module with at least one LED as the light source and a light head with a heat sink, wherein the LED module for dissipating heat generated by the LED can, is thermally connected to the heat sink.

Derartige LED-Leuchten sind aus dem Stand der Technik bekannt. Bei dem Wunsch, die optischen Eigenschaften der LED-Leuchte zu verändern, wenn also beispielsweise ein andersfarbiges Abstrahllicht gewünscht ist, wird zumeist einfach die gesamte LED-Leuchte ausgetauscht.Such LED lights are known from the prior art. In the desire to change the optical properties of the LED light, so if, for example, a different colored emission light is desired, usually the entire LED light is replaced.

Aus der DE 20 2006 002 583 U1 ist eine LED-Leuchte mit einem Gehäuse bekannt, bei der eine LED-Platine mit einer Bajonettverriegelung, die zugleich elektrisch leitende Verbindungen zwischen dem Gehäuse und der Platine herstellt, lösbar in dem Gehäuse gehalten ist.From the DE 20 2006 002 583 U1 an LED lamp with a housing is known in which an LED board with a bayonet lock, which also produces electrically conductive connections between the housing and the board, is detachably held in the housing.

Aus der US 2003/0214810 A1 ist eine LED-Leuchte bekannt, bei der ein Lichtkopf, an dem die LEDs angeordnet sind, über eine Steckverbindung mit einem Kühlkörper verbunden werden kann, der andererseits mit einer Spannungsquelle verbunden ist.From the US 2003/0214810 A1 an LED lamp is known in which a light head, on which the LEDs are arranged, can be connected via a plug connection with a heat sink, which is on the other hand connected to a voltage source.

Aus der US 2007/0098334 A1 ist eine Leuchte mit einem LED-Modul und einem Gehäuse mit einem Kühlkörper bekannt, wobei das LED-Modul über eine zweipolige elektrische Verbindung mit dem Gehäuse verbunden ist.From the US 2007/0098334 A1 a luminaire with an LED module and a housing with a heat sink is known, wherein the LED module is connected via a two-pole electrical connection to the housing.

Aus der WO 2009/108799 A1 , die ein Dokument gemäß Artikel 54 (3) EPÜ darstellt, ist eine LED-Leuchte mit einem Bajonettverschluss bekannt.From the WO 2009/108799 A1 , which constitutes a document under Article 54 (3) EPC, an LED lamp with a bayonet fitting is known.

Der Erfindung liegt die Aufgabe zu Grunde, eine LED-Leuchte mit verbesserten Möglichkeiten zur Einflussnahme auf das Abstrahlverhalten der Leuchte anzugeben.The invention is based on the object of specifying an LED lamp with improved possibilities for influencing the emission behavior of the luminaire.

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

Gemäß der Erfindung ist eine LED-Leuchte vorgesehen, die ein LED-Modul mit wenigstens einer LED als Leuchtmittel und einen Lichtkopf mit einem Kühlkörper aufweist, wobei das LED-Modul zur Abfuhr von Wärme, die durch die LED erzeugt werden kann, thermisch mit dem Kühlkörper verbunden ist. Weiterhin weist die LED-Leuchte Mittel zur Herstellung einer lösbaren elektrischen, wenigstens zweipoligen Verbindung zwischen dem LED-Modul und dem Lichtkopf und zur Herstellung einer lösbaren mechanischen Verbindung zwischen dem LED-Modul und dem Lichtkopf auf. Die Mittel sind dabei dazu ausgebildet, die Verbindung entweder durch zwei aufeinanderfolgende Translationsbewegungen unterschiedlicher Richtungen oder durch eine Translationsbewegung und eine Rotationsbewegung oder lediglich durch eine Rotationsbewegung herzustellen bzw. zu lösen.According to the invention, an LED light is provided, which has an LED module with at least one LED as a light source and a light head with a heat sink, wherein the LED module for dissipating heat that can be generated by the LED, thermally with the Heat sink is connected. Furthermore, the LED lamp has means for producing a detachable electrical, at least two-pole connection between the LED module and the light head and for establishing a releasable mechanical connection between the LED module and the light head. The means are designed to establish or release the connection either by two successive translational movements of different directions or by a translational movement and a rotational movement or merely by a rotational movement.

Durch die Mittel zur Herstellung einer lösbaren elektrischen, wenigstens zweipoligen Verbindung zwischen dem LED-Modul und dem Lichtkopf werden besonders gute Ansteuermöglichkeiten für die LED ermöglicht; vorzugsweise weist die LED-Leuchte Mittel zur Herstellung einer lösbaren elektrischen, wenigstens dreipoligen Verbindung zwischen dem LED-Modul und dem Lichtkopf auf. Hierdurch können beispielsweise unterschiedliche, als Leuchtmittel dienende und unterschiedlich farbiges Licht abstrahlende LEDs angesteuert werden. Auch so genannte back-Kanäle, beispielsweise für Temperatursensorik etc., sind hierdurch ermöglicht.By the means for producing a detachable electrical, at least two-pole connection between the LED module and the light head particularly good control options for the LED allows; Preferably, the LED lamp has means for producing a detachable electrical, at least three-pole connection between the LED module and the light head. As a result, for example, different, serving as a light source and different colored light emitting LEDs can be controlled. Also so-called back channels, for example, for temperature sensors, etc., are thereby made possible.

Vorteilhaft sind die Mittel zur Herstellung einer wenigstens neunpoligen Verbindung zwischen dem LED-Modul und dem Lichtkopf ausgebildet. Dies ermöglicht besonders vielfältige Ansteuermöglichkeiten. Beispielsweise können elf Pole vorgesehen sein.The means for producing an at least nine-pole connection between the LED module and the light head are advantageously formed. This allows particularly diverse control options. For example, eleven poles may be provided.

Vorteilhaft sind die Mittel auch zur Herstellung einer lösbaren mechanischen Verbindung zwischen dem LED-Modul und dem Lichtkopf ausgebildet. Hierdurch wird ermöglicht, dass bei einem Defekt des LED-Moduls lediglich dieses ersetzt wird. Der Lichtkopf, sowie gegebenenfalls weitere Bauteile der LED-Leuchte, beispielsweise ein Betriebsgerät und Stromkabel, können am Aufstellort der LED-Leuchte in montiertem Zustand verbleiben. Auch ein Wechsel des LED-Moduls durch ein anderes LED-Modul, das beispielsweise andere optische Eigenschaften aufweist, ist hierdurch auf einfache Weise möglich. Außerdem kann die LED-Leuchte besonders leicht gewartet werden, weil durch ein Lösen des LED-Moduls von dem Lichtkopf die Zugänglichkeit zu dem LED-Modul, sowie zu denjenigen Bereichen von LED-Modul und Lichtkopf verbessert wird, die zum gegenseitigen Kontakt vorgesehen sind.Advantageously, the means are also designed to produce a releasable mechanical connection between the LED module and the light head. This makes it possible that in case of a defect of the LED module, only this is replaced. The lighthead, and optionally other components of the LED light, such as an operating device and power cable, can remain in the installed state at the installation of the LED light. Also, a change of the LED module by another LED module, for example, has other optical properties, this is possible in a simple manner. In addition, the LED lamp can be particularly easily maintained, because by releasing the LED module from the light head accessibility to the LED module, as well as to those areas of the LED module and light head, which are provided for mutual contact.

Vorteilhaft umfasst das LED-Modul wenigstens zwei, vorzugsweise wenigstens drei LEDs, die jeweils Licht einer anderen Farbe erzeugen können.Advantageously, the LED module comprises at least two, preferably at least three LEDs, each of which can generate light of a different color.

Erfindungsgemäß umfassen die Mittel Steckkontakte und die Steckkontakte Kontaktstifte, wobei jeweils ein Kontaktstift zur Realisierung eines elektrischen Pols der Verbindung dient, wobei die Mittel außerdem weitere Elemente zur mechanischen Verbindung zwischen dem LED-Modul und dem Lichtkopf aufweisen.According to the invention, the means comprise plug contacts and the plug contacts contact pins, wherein in each case a contact pin for the realization of an electrical pole of the connection, wherein the means also comprise further elements for mechanical connection between the LED module and the light head.

Vorteilhaft sind die Mittel derart ausgebildet, dass die Verbindung werkzeuglos hergestellt und gelöst werden kann. Auf diese Weise ist die Handhabung besonders einfach.Advantageously, the means are designed such that the connection can be made and released without tools. In this way, handling is particularly easy.

Eine besonders gute Wärmeübertragung ist ermöglicht, wenn das LED-Modul eine Modul-Fläche aufweist und der Kühlkörper eine Kühlkörper-Fläche, und zwar derart, dass im verbundenen Zustand die Modul-Fläche die Kühlkörper-Fläche flächig kontaktiert.A particularly good heat transfer is possible when the LED module has a module surface and the heat sink a heat sink surface, in such a way that in the connected state, the module surface the heat sink surface area contacted.

Vorteilhaft weist die LED-Leuchte weiterhin ein Lampenbetriebsgerät auf, wobei das Lampenbetriebsgerät vorzugsweise über einen Tragarm mit dem Lichtkopf und/oder mit dem LED-Modul verbunden ist.Advantageously, the LED lamp further comprises a lamp operating device, wherein the lamp operating device is preferably connected via a support arm to the light head and / or to the LED module.

Die LED-Leuchte ist besonders vorteilhaft, wenn sie ein LED-Strahler oder ein LED-Downlight ist.The LED light is particularly advantageous if it is an LED spotlight or an LED downlight.

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

Fig. 1
eine schematische perspektivische Ansicht eines Ausführungsbeispiels einer erfindungsgemäßen LED-Leuchte in Form eines LED-Strahlers,
Fig. 2
eine Ansicht des Lichtkopfs und des damit verbundenen LED-Moduls einer erfindungsgemäßen LED-Leuchte,
Fig. 3a
eine perspektivische Ansicht des in Fig. 2 gezeigten Lichtkopfs,
Fig. 3b
eine weitere Ansicht des Lichtkopfs, und zwar auf diejenige Fläche, die zur Verbindung mit dem LED-Modul vorgesehen ist.
Fig. 4
eine Ansicht des in Fig. 2 gezeigten LED-Moduls,
Fig. 5
eine weitere Ansicht des in Fig. 2 gezeigten LED-Moduls aus einer anderen Perspektive,
Figuren 6 und 7
Skizzen zu einer ersten Variante der Verbindungsart zwischen dem LED-Modul und dem Lichtkopf,
Fig. 8
eine Skizze zu einer zweiten Variante,
Figuren 9 und 10
Skizzen zu einer dritten Variante, und
Figuren 11 bis 13
Skizzen zu einer vierten Variante der Verbindungsart zwischen dem LED-Modul und dem Lichtkopf.
The invention is explained in more detail below with reference to an embodiment and with reference to the drawings. Show it:
Fig. 1
a schematic perspective view of an embodiment of an LED lamp according to the invention in the form of an LED spotlight,
Fig. 2
a view of the light head and the associated LED module of an LED lamp according to the invention,
Fig. 3a
a perspective view of the in Fig. 2 shown lighthead,
Fig. 3b
another view of the light head, on the surface which is provided for connection to the LED module.
Fig. 4
a view of the in Fig. 2 shown LED module,
Fig. 5
another view of the in Fig. 2 shown LED module from a different perspective,
FIGS. 6 and 7
Sketches for a first variant of the type of connection between the LED module and the light head,
Fig. 8
a sketch to a second variant,
FIGS. 9 and 10
Sketches to a third variant, and
FIGS. 11 to 13
Sketches for a fourth variant of the connection between the LED module and the light head.

In Fig. 1 ist eine schematische Ansicht eines Ausführungsbeispiels einer erfindungsgemäßen LED-Leuchte 1 dargestellt. Die LED-Leuchte 1 weist ein LED-Modul 2 mit wenigstens einer LED als Leuchtmittel und einen Lichtkopf 4 mit einem Kühlkörper 3 auf. Deutlich erkennbar sind in Fig. 1 Kühlrippen des Kühlkörpers 3. Zur Abfuhr von Wärme, die durch die wenigstens eine LED erzeugt werden kann, ist die LED thermisch mit dem Kühlkörper 3 verbunden.In Fig. 1 is a schematic view of an embodiment of an LED lamp 1 according to the invention shown. The LED light 1 has an LED module 2 with at least one LED as the light source and a light head 4 with a heat sink 3. Clearly visible in Fig. 1 Cooling ribs of the heat sink 3. To dissipate heat that can be generated by the at least one LED, the LED is thermally connected to the heat sink 3.

Das LED-Modul 2 kann insbesondere wenigstens zwei, vorzugsweise wenigstens drei LEDs umfassen, die jeweils Licht einer anderen Farbe erzeugen können. In diesem Fall lässt sich mit der LED-Leuchte Licht in besonders vielen unterschiedlichen Farben erzeugen.The LED module 2 may in particular comprise at least two, preferably at least three LEDs, each of which can generate light of a different color. In this case, the LED light can produce light in a particularly large number of different colors.

Die LED-Leuchte 1 weist weiterhin Mittel zur Herstellung einer lösbaren elektrischen, wenigstens zweipoligen, vorzugsweise wenigstens dreipoligen Verbindung zwischen dem LED-Modul 2 und dem Lichtkopf 4 auf. Auf diese Weise wird eine besonders vielfältige Ansteuerung der LED bzw. der LEDs ermöglicht. Beispielsweise kann eine wenigstens neunpolige elektrische Verbindung zwischen dem LED-Modul und dem Lichtkopf vorgesehen sein. Beim Ausführungsbeispiel kann also beispielsweise eine elfpolige Verbindung vorgesehen sein.The LED lamp 1 further comprises means for producing a detachable electrical, at least two-pole, preferably at least three-pole connection between the LED module 2 and the light head 4. In this way, a particularly diverse control of the LED or the LEDs is possible. For example, an at least nine-pole electrical connection between the LED module and the light head may be provided. Thus, for example, an eleven-pole connection can be provided in the exemplary embodiment.

In Fig. 2 ist eine Ansicht auf den Lichtkopf 4 und das damit verbundene LED-Modul 2 gezeigt. Die Kühlrippen können - wie in Fig. 2 der Fall - radial orientiert angeordnet sein.In Fig. 2 a view is shown on the light head 4 and the LED module 2 connected thereto. The cooling fins can - as in Fig. 2 the case - be arranged radially oriented.

In Fig. 3a ist der in Fig. 2 gezeigte Lichtkopf 4 gesondert gezeigt, und zwar in einer perspektivischen Ansicht auf diejenige Seite, die zur Verbindung mit dem LED-Modul 2 vorgesehen ist. In Fig. 3b ist eine entsprechende Aufsicht auf diese Verbindungsfläche gezeigt. In Fig. 4 das in Fig. 2 gezeigte LED-Modul 2 gesondert gezeigt, und zwar in einer perspektivischen Ansicht auf diejenige Seite, die zur Verbindung mit dem Lichtkopf 4 vorgesehen ist. Fig. 5 zeigt das LED-Modul 2 von einer anderen Seite, so dass die Leuchtmittel erkennbar sind.In Fig. 3a is the in Fig. 2 shown light head 4 shown separately, in a perspective view of that side which is provided for connection to the LED module 2. In Fig. 3b a corresponding view is shown on this interface. In Fig. 4 this in Fig. 2 shown LED module 2 shown separately, in a perspective view of that side, which is provided for connection to the light head 4. Fig. 5 shows the LED module 2 from another side, so that the bulbs are visible.

Die Mittel zur Herstellung der lösbaren elektrischen Verbindung zwischen dem LED-Modul 2 und dem Lichtkopf 4 können Steckkontakte aufweisen; diese können - in Fig. 4 gezeigte - Kontaktstifte 40 umfassen, die an einem der beiden Bauteile LED-Modul 2 oder Lichtkopf 4 angeordnet sind. Im gezeigten Beispiel sind die Kontaktstifte 40 am LED-Modul 2 angeordnet. Im gezeigten Beispiel sind elf Kontaktstifte 40 vorgesehen. Jeweils ein Kontaktstift 40 dient zur Realisierung eines elektrischen Pols der Verbindung.The means for producing the detachable electrical connection between the LED module 2 and the light head 4 may have plug contacts; these can - in Fig. 4 shown - contact pins 40 which are arranged on one of the two components LED module 2 or light head 4. In the example shown, the contact pins 40 are arranged on the LED module 2. In the example shown eleven pins 40 are provided. In each case, a contact pin 40 serves to realize an electrical pole of the connection.

Die Steckkontakte können weiterhin am entsprechend anderen Bauteil, im gezeigten Beispiel also am Lichtkopf 4, für jeden Kontaktstift 40 ein Gegenelement, beispielsweise in Form einer Kontaktfeder 42 umfassen.The plug contacts can continue on the corresponding other component, in the example shown so on the light head 4, for each contact pin 40 a counter element, for example in the form of a contact spring 42 include.

Die Mittel zur Herstellung der lösbaren elektrischen Verbindung zwischen dem LED-Modul 2 und dem Lichtkopf 4 können alternativ oder zusätzlich auch Schleifkontakte und/oder Federkontakte und/oder Schneidkontakte aufweisen.The means for producing the detachable electrical connection between the LED module 2 and the light head 4 may alternatively or additionally also have sliding contacts and / or spring contacts and / or cutting contacts.

Vorteilhaft sind die Mittel auch zur Herstellung einer lösbaren mechanischen Verbindung zwischen dem LED-Modul 2 und dem Lichtkopf 4 ausgebildet. Wie aus den Figuren 4 und 3a ersichtlich, können hierzu an einem der beiden Bauteile, hier am LED-Modul 2, T-förmige Elemente 50 vorgesehen sein und an dem anderen Bauteil, hier also am Lichtkopf 4, entsprechende Vertiefungen 52, derart, dass sich durch Wechselwirkung der T-förmigen Elemente 50 und der Vertiefungen 52 mittels einer Translationsbewegung und einer darauffolgenden Rotationsbewegung zwischen den beiden Bauteilen 2, 4 die mechanische Verbindung herstellen lässt.Advantageously, the means are also designed to produce a detachable mechanical connection between the LED module 2 and the light head 4. Like from the FIGS. 4 and 3a can be provided for this purpose on one of the two components, here on the LED module 2, T-shaped elements 50 and on the other component, in this case the light head 4, corresponding recesses 52, such that by interaction of the T-shaped Elements 50 and the recesses 52 by means of a Translational movement and a subsequent rotational movement between the two components 2, 4 make the mechanical connection.

Die Mittel zur Herstellung der elektrischen und mechanischen Verbindung sind in diesem Fall dazu ausgebildet, die Verbindung lediglich durch eine Translationbewegung und eine Rotationsbewegung herzustellen bzw. zu lösen. Die Kontaktstifte 40 sind hierzu auf einer ersten Kreisbahn angeordnet, wobei der Mittelpunkt der ersten Kreisbahn auf der Rotationsachse der Rotationsbewegung liegt. Die T-förmigen Elemente 50 sind auf einer zweiten Kreisbahn angeordnet, deren Mittelpunkt mit dem Mittelpunkt der ersten Kreisbahn zusammenfällt. Im gezeigten Beispiel ist der Radius der ersten Kreisbahn größer als der Radius der zweiten Kreisbahn. Grundsätzlich kann jedoch auch der Radius der ersten Kreisbahn kleiner sein als der Radius der zweiten Kreisbahn.The means for producing the electrical and mechanical connection are in this case designed to produce or release the connection only by means of a translation movement and a rotational movement. The contact pins 40 are arranged for this purpose on a first circular path, wherein the center of the first circular path is located on the axis of rotation of the rotational movement. The T-shaped elements 50 are arranged on a second circular path whose center coincides with the center of the first circular path. In the example shown, the radius of the first circular path is greater than the radius of the second circular path. In principle, however, the radius of the first circular path may be smaller than the radius of the second circular path.

Eine besonders einfache Handhabung bei der Bedienung der LED-Leuchte ist möglich, wenn die Mittel derart ausgebildet sind, dass die Verbindung ohne Zuhilfenahme eines Werkzeugs hergestellt und wieder gelöst werden kann. Die oben dargestellte Ausführungsform eignet sich hierzu.A particularly simple handling in the operation of the LED light is possible if the means are designed such that the connection can be made without the aid of a tool and released again. The embodiment shown above is suitable for this purpose.

In den Figuren 6 und 7 sind Skizzen zu einer ersten Variante der Verbindungsart zwischen dem LED-Modul 2 und dem Lichtkopf 4 gezeigt. Dabei zeigt Fig. 6 eine perspektivische Skizze der relevanten Teile und Fig. 7 einen entsprechenden Querschnitt. Bei dieser Variante sind die Mittel dazu ausgebildet, die Verbindung durch zwei aufeinanderfolgende Translationsbewegungen unterschiedlicher Richtungen herzustellen bzw. zu lösen. Diese Richtungen sind in Fig. 6 mit den Pfeilen "1" und "2" angedeutet. Die Richtungen können insbesondere senkrecht zueinander stehen. Bei dieser Variante sind die Kontaktstifte 40' L-förmig ausgebildet, wobei die beiden L-Schenkel längs der beiden Richtungen der Translationsbewegungen ausgerichtet sind. Als Gegenelemente können wiederum entsprechende Kontaktfedern 42' vorgesehen sein. Die Kontaktstifte 40' sind hier längs einer Linie angeordnet, die senkrecht zu derjenigen Translationsbewegung verläuft, die bei Herstellung der Verbindung die zweite Translationsbewegung darstellt. Daher kann man hier von einer "Linearverriegelung mit stirnseitiger Kontaktierung" sprechen.In the FIGS. 6 and 7 Sketches for a first variant of the connection between the LED module 2 and the light head 4 are shown. It shows Fig. 6 a perspective sketch of the relevant parts and Fig. 7 a corresponding cross-section. In this variant, the means are designed to establish or release the connection by two successive translational movements of different directions. These directions are in Fig. 6 indicated by the arrows "1" and "2". The directions may in particular be perpendicular to each other. In this variant, the contact pins 40 'L-shaped, wherein the two L-legs are aligned along the two directions of the translational movements. As counter elements in turn corresponding contact springs 42 'may be provided. The contact pins 40 'are here arranged along a line which is perpendicular to that translational movement, which represents the second translational movement when the connection is made. Therefore, one can speak here of a "linear locking with frontal contacting".

Zur gleichzeitigen mechanischen Verbindung kann beispielsweise eine Kulissenführung vorgesehen sein, wie in Fig. 7 angedeutet. Weiterhin können hierfür an einem der beiden genannten Bauteile 2, 4 - wie in Fig. 6 angedeutet - L-förmige Halteelemente 50' und am anderen Bauteil 4, 2 entsprechende Ausnehmungen 52' vorgesehen sein, in die die Halteelemente 50' eingreifen können. Die L-Schenkel der L-förmigen Halteelemente 50' sind dabei wiederum längs der beiden Richtungen der Translationsbewegungen ausgerichtet.For simultaneous mechanical connection, for example, a slotted guide can be provided, as in Fig. 7 indicated. Furthermore, this can be done on one of the two mentioned components 2, 4 - as in Fig. 6 indicated - L-shaped holding elements 50 'and on the other component 4, 2 corresponding recesses 52' may be provided, in which the holding elements 50 'can engage. The L-legs of the L-shaped holding elements 50 'are in turn aligned along the two directions of translational movements.

Eine weitere Variante zur Verbindung ist in Fig. 8 skizziert. Hierbei ist grundsätzlich lediglich eine Rotationsbewegung erforderlich; dies ist in Fig. 8 durch einen Pfeil angedeutet. An einem der beiden Bauteile 2, 4 kann in diesem Fall ein Einhäng-Element 60 und ein Verrastungs-Element 62 vorgesehen sein und an dem anderen Bauteil 4, 2 entsprechende Gegenelemente. Das Einhäng-Element 60 dient dabei insbesondere zur Sicherung der Rotationsachse.Another variant of the compound is in Fig. 8 outlined. Here, basically only a rotational movement is required; this is in Fig. 8 indicated by an arrow. In this case, a hook-in element 60 and a latching element 62 can be provided on one of the two components 2, 4 and corresponding counter-elements on the other component 4, 2. The suspension element 60 serves in particular to secure the axis of rotation.

In den Figuren 9 und 10 sind Skizzen zu einer dritten Variante für die Verbindung gezeigt. Hier sind die Kontaktstifte 40" geradlinig geformt ausgebildet und als Gegenelemente Kontaktfedern 42" vorgesehen. Zur Herstellung der Verbindung sind wiederum zwei Translationsbewegungen vorgesehen; diese sind in Fig. 9 durch die beiden Pfeile "1" und "2" angedeutet. Wie in Fig. 10 angedeutet, kann zur mechanischen Verbindung wiederum eine Kulissenführung vorgesehen sein. Die Kontaktstifte 40" sind hier längs einer Linie angeordnet, die parallel zu derjenigen Translationsbewegung verläuft, die bei Herstellung der Verbindung die zweite Translationsbewegung darstellt. Daher kann hier von einer "Linearverriegelung mit seitlicher Kontaktierung" gesprochen werden.In the FIGS. 9 and 10 sketches are shown to a third variant for the connection. Here, the contact pins 40 "formed rectilinear and formed as counter-elements contact springs 42" provided. For the preparation of the compound in turn two translational movements are provided; these are in Fig. 9 indicated by the two arrows "1" and "2". As in Fig. 10 indicated, in turn, a sliding guide can be provided for mechanical connection. The contact pins 40 "are here arranged along a line which runs parallel to that translational movement which represents the second translational movement when the connection is made. Therefore, it can be said here of a" linear locking with lateral contacting ".

In den Figuren 11 bis 13 sind Skizzen zu einer vierten Variante für die Verbindung gezeigt. Hier sind die Kontaktstifte 40'" geradlinig geformt ausgebildet und als Gegenelemente Kontaktfedern 42"' vorgesehen. Die Gegenelemente sind insbesondere in Fig. 13 zu erkennen, die eine Querschnittskizze längs der in Fig. 11 markierten Linie zeigt. Zur Herstellung der Verbindung sind wiederum zwei Translationsbewegungen vorgesehen; diese sind in Fig. 11 durch die beiden Pfeile "1" und "2" angedeutet. Wie in Fig. 12 angedeutet, kann zur mechanischen Verbindung wiederum eine Kulissenführung vorgesehen sein. Hier kann wiederum von einer "Linearverriegelung mit stirnseitiger Kontaktierung" gesprochen werden.In the FIGS. 11 to 13 sketches are shown to a fourth variant for the connection. Here, the contact pins 40 '"formed rectilinear and formed as counter-elements contact springs 42"'. The counter elements are in particular in Fig. 13 to recognize that a cross-sectional sketch along in Fig. 11 marked line shows. For the preparation of the compound in turn two translational movements are provided; these are in Fig. 11 indicated by the two arrows "1" and "2". As in Fig. 12 indicated, can for mechanical connection in turn be provided a slotted guide. Here again can be spoken of a "linear locking with front-side contacting".

Zur besonders guten Wärmeleitung kann das LED-Modul 2 eine in Fig. 4 bezeichnete Modul-Fläche 6 aufweisen und der Lichtkopf 4 oder vorzugsweise direkt der Kühlkörper 3 eine in Fig. 3b bezeichnete Kühlkörper-Fläche 7 aufweisen, derart dass im verbundenen Zustand die Modul-Fläche 6 die Kühlkörper-Fläche 7 flächig kontaktiert.For particularly good heat conduction, the LED module 2 a in Fig. 4 have designated module surface 6 and the light head 4 or preferably directly the heat sink 3 in a Fig. 3b Have designated heat sink surface 7, such that in the connected state, the module surface 6, the heat sink surface 7 contacted surface.

Insbesondere können die T-förmigen Elemente 50 unmittelbar an der Modul-Fläche 6 angeordnet sein und die entsprechenden Vertiefungen 52 an der Kühlkörper-Fläche 7. Dies ist hinsichtlich der Wärmeableitung von der LED besonders vorteilhaft, weil sich hierdurch ein besonders intensiver flächiger Kontakt zwischen den beiden genannten Flächen und damit eine besonders gute Wärmeübertragung herstellen lässt.In particular, the T-shaped elements 50 may be disposed directly on the module surface 6 and the corresponding recesses 52 on the heat sink surface 7. This is particularly advantageous in terms of heat dissipation from the LED, as a result, a particularly intensive areal contact between the both surfaces mentioned and thus produce a particularly good heat transfer.

Das LED-Modul 2 kann in seinem Inneren eine Platine aufweisen, auf der die wenigstens eine LED angeordnet ist bzw. mehrere LEDs angeordnet sind. Vorteilhaft ist in diesem Fall die Platine gut wärmeleitend mit der Außenfläche 14 verbunden. Beispielsweise kann hierfür eine Wärmeleitpaste verwendet werden. Auch können Kupferstifte vorgesehen sein, um Wärme von der LED zur Außenfläche 14 zu übertragen. Kupferstifte können auch oder alternativ dafür vorgesehen sein, Wärme von der LED zur Modulfläche 6 zu leiten, um auf diese Weise den Wärmefluss zum Kühlkörper 3 hin zu verbessern.The LED module 2 may have in its interior a circuit board on which the at least one LED is arranged or a plurality of LEDs are arranged. In this case, the board is advantageously connected to the outer surface 14 with good thermal conductivity. For example, a thermal compound can be used for this purpose. Also, copper pins may be provided to transfer heat from the LED to the outer surface 14. Copper pins can also or alternatively be provided to conduct heat from the LED to the module surface 6 in order to improve the heat flow to the heat sink 3 in this way.

Die dargestellte LED-Leuchte 1 kann als LED-Strahler ausgebildet sein. Hierzu kann die LED-Leuchte 1, wie in Fig. 1 angedeutet, einen Tragarm 20 aufweisen, der einerseits mit dem Lichtkopf 4 verbunden ist und andererseits mit einem (nicht gezeigten) Lampenbetriebsgerät, das beispielsweise im Bereich einer Leuchtenschiene angeordnet sein kann, die zur Halterung der LED-Leuchte 1 vorgesehen ist.The illustrated LED lamp 1 may be formed as an LED spotlight. For this purpose, the LED light 1, as in Fig. 1 indicated having a support arm 20 which is connected on the one hand to the light head 4 and on the other hand with a (not shown) lamp operating device, which may be arranged for example in the region of a light rail, which is provided for holding the LED lamp 1.

Claims (8)

  1. An LED luminaire having
    - an LED module (2) with at least one LED as a luminous means, and
    - a light head (4) with a heat sink (3),
    wherein in order to dissipate heat, which can be generated by the LED, the LED module (2) is thermally connected to the heat sink (3),
    - means (40, 40', 40", 40"', 42, 42', 42'", 42"', 50, 50', 52, 52', 60, 62) for establishing a releasable electrical, at least two-pole connection between the LED module (2) and the light head (4) and for establishing a releasable mechanical connection between the LED module (2) and the light head (4),
    wherein the means (40, 40', 40", 40"', 42, 42', 42", 42"', 50, 50', 52, 52', 60, 62) are configured to establish or release both the electrical connection and the mechanical connection either by means of two successive translational movements in different directions or by means of one translational movement and one rotational movement or merely by means of one rotational movement,
    characterised in that
    the means (40, 40', 40", 40"', 42, 42', 42", 42"', 50, 50', 52, 52', 60, 62) comprise:
    a) plug contacts which comprise contact pins (40, 40', 40", 40"'),
    wherein in each case one contact pin (40, 40', 40", 40"') is used to realize one electrical pole of the connection, and also
    b) further elements (50, 50', 52, 52', 60, 62) which are configured to establish the releasable mechanical connection between the LED module (2) and the light head (4).
  2. An LED luminaire according to claim 1,
    in which the means (40, 40', 40" , 40"', 42, 42', 42", 42"', 50, 50', 52, 52', 60, 62) are configured to establish an at least nine-pole connection between the LED module (2) and the light head (4).
  3. An LED luminaire according to one of the preceding claims,
    in which the LED module (2) comprises at least two, preferably at least three LEDs which can each generate light of a different colour.
  4. An LED luminaire according to one of the preceding claims,
    in which the means (40, 40', 40", 40"', 42, 42', 42", 42"', 50, 50', 52, 52', 60, 62) are configured in such a way that the connection can be established and released without tools.
  5. An LED luminaire according to one of the preceding claims,
    in which the LED module (2) has a module face (6) and the heat sink (3) has a heat-sink face (7) in such a way that in the connected state the module face (6) contacts the heat-sink face (7) over an area.
  6. An LED luminaire according to one of the preceding claims,
    having, furthermore, a lamp-operating device, wherein the lamp-operating device is connected to the light head and/or to the LED module (2) preferably by way of a supporting arm (20).
  7. An LED luminaire according to one of the preceding claims,
    wherein the LED luminaire is an LED spotlight.
  8. An LED luminaire according to one of the preceding claims 1 to 6,
    wherein the LED luminaire is an LED downlight.
EP10712039.6A 2009-03-23 2010-03-23 Led luminaire Not-in-force EP2411732B1 (en)

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PCT/EP2010/053749 WO2010108906A1 (en) 2009-03-23 2010-03-23 Led luminaire

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WO2010051985A2 (en) * 2008-11-05 2010-05-14 Zumtobel Lighting Gmbh & Co.Kg. Led luminaire

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DE102009014485A1 (en) 2010-09-30
WO2010108906A1 (en) 2010-09-30
EP2411732A1 (en) 2012-02-01

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