EP2679883B1 - Illumination device - Google Patents

Illumination device Download PDF

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Publication number
EP2679883B1
EP2679883B1 EP13169151.1A EP13169151A EP2679883B1 EP 2679883 B1 EP2679883 B1 EP 2679883B1 EP 13169151 A EP13169151 A EP 13169151A EP 2679883 B1 EP2679883 B1 EP 2679883B1
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EP
European Patent Office
Prior art keywords
fan
lighting device
cover
adapter
bayonet
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EP13169151.1A
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German (de)
French (fr)
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EP2679883A2 (en
EP2679883A3 (en
Inventor
Christoph Längauer
Clemens Hauer
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ZKW Group GmbH
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ZKW Group GmbH
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Publication of EP2679883A2 publication Critical patent/EP2679883A2/en
Publication of EP2679883A3 publication Critical patent/EP2679883A3/en
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    • 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
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/42—Forced cooling
    • F21S45/43—Forced cooling using gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S43/00—Signalling devices specially adapted for vehicle exteriors, e.g. brake lamps, direction indicator lights or reversing lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/16—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by deformation of parts; Snap action mounting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S45/00—Arrangements within vehicle lighting devices specially adapted for vehicle exteriors, for purposes other than emission or distribution of light
    • F21S45/40—Cooling of lighting devices
    • F21S45/49—Attachment of the cooling means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
    • F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Description

Die Erfindung betrifft eine Beleuchtungsvorrichtung gemäß Anspruch 1.The invention relates to a lighting device according to claim 1.

Die Erfindung betrifft ferner eine Beleuchtungsvorrichtung für ein Kraftfahrzeug gemäß Anspruch 3.The invention also relates to a lighting device for a motor vehicle according to claim 3.

Fahrzeugscheinwerfer verfügen häufig über einen Lüfter zur Erzeugung eines Luftstroms, mit welchem beispielsweise Lichtquellen gekühlt werden. Bei LED-Scheinwerfern sind beispielsweise die LED-Lichtquellen auf einem Kühlkörper befestigt, welcher durch den Luftstrom des Kühlers gekühlt wird, und/oder die LED-Lichtquellen werden durch den Luftstrom direkt gekühlt.Vehicle headlights often have a fan for generating an air flow with which, for example, light sources are cooled. In the case of LED headlights, for example, the LED light sources are attached to a heat sink, which is cooled by the air flow from the radiator, and / or the LED light sources are cooled directly by the air flow.

Zur Befestigung kann der Lüfter dabei beispielsweise mit dem Scheinwerfer, d.h. mit dem Gehäuse, einem Lichtmodul oder einem Deckel für das Scheinwerfergehäuse verschraubt werden. Ein Wechsel des Lüfters ist daher nur unter Verwendung geeigneter Spezialwerkzeuge möglich.For fastening, the fan can for example be screwed to the headlight, i.e. to the housing, a light module or a cover for the headlight housing. The fan can therefore only be changed using suitable special tools.

Aus der FR 2 923 891 A1 ist ein Fahrzeugscheinwerfer bekannt, welcher eine Belüftungsvorrichtung aufweist, um einen Luftstrom durch das Scheinwerfergehäuse zu leiten, um beispielsweise Kondenswasser innerhalb des Scheinwerfers zu trocknen.From the FR 2 923 891 A1 a vehicle headlamp is known which has a ventilation device in order to direct a flow of air through the headlamp housing in order, for example, to dry condensation water inside the headlamp.

Die WO 2013/071972 A1 zeigt einen Fahrzeugscheinwerfer mit einer LED Lichtquelle, welche mit einem Lüfter fest verbunden und mit einem Reflektor lösbar verbunden ist.the WO 2013/071972 A1 shows a vehicle headlight with an LED light source, which is permanently connected to a fan and detachably connected to a reflector.

Ein weiterer Fahrzeugscheinwerfer mit einer LED Lichtquelle, welche lösbar an dem Fahrzeugscheinwerfer montiert werden kann, ist aus der KR 2011 0029062 A bekannt.Another vehicle headlight with an LED light source, which can be detachably mounted on the vehicle headlight, is from the KR 2011 0029062 A known.

In der WO 2012/068722 A1 wird eine LED Lampe gezeigt, wobei die Lichtquelle über wärmeleitende Elemente mit einem Kühlkörper verbunden ist.In the WO 2012/068722 A1 an LED lamp is shown, the light source being connected to a heat sink via heat-conducting elements.

US 2009/154189 A1 offenbart einen Kraftfahrzeugscheinwerfer, wobei der Lüfter durch Schrauben mit einem Deckel verbunden ist. Dieser Deckel wird dann auch durch Schrauben mit dem Gehäuse verbunden. US 2009/154189 A1 discloses a motor vehicle headlamp, the fan being connected to a cover by screws. This cover is then also connected to the housing by screws.

Es ist eine Aufgabe, eine Beleuchtungsvorrichtung für ein Kraftfahrzeug, etwa einen Fahrzeugscheinwerfer oder ein Lichtmodul für ein Kraftfahrzeug bzw. für einen Fahrzeugscheinwerfer zu schaffen, bei dem der Lüfter ohne zusätzliches Werkzeug gewechselt werden kann.It is an object to provide a lighting device for a motor vehicle, for example a vehicle headlight or a light module for a motor vehicle or for a vehicle headlight in which the fan can be changed without additional tools.

Diese Aufgabe wird mit einer eingangs erwähnten Beleuchtungsvorrichtung dadurch gelöst, dass erfindungsgemäß eine Bajonettiereinrichtung und/oder eine Rastverbindung vorgesehen ist, mittels welcher Bajonettiereinrichtung und/oder Rastverbindung der Lüfter durch Zwischenschalten von einem oder mehreren Zwischenelementen lösbar mit der Beleuchtungsvorrichtung verbunden ist.This object is achieved with a lighting device mentioned at the beginning in that, according to the invention, a bayonetting device and / or a latching connection is provided, by means of which bayonetting device and / or latching connection the fan is detachably connected to the lighting device by interposing one or more intermediate elements.

Durch Verbindung des Lüfters über eine Bajonetteinrichtung und/oder eine Rastverbindung durch Zwischenschalten von einem oder mehreren Zwischenelementen, wie im Folgenden beschrieben, kann der Lüfter ohne Werkzeug gewechselt werden.By connecting the fan via a bayonet device and / or a latching connection by interposing one or more intermediate elements, as described below, the fan can be changed without tools.

Es ist vorgesehen, dass die Beleuchtungsvorrichtung einen Lüfter-Adapter als Zwischenelement aufweist, mit welchem Lüfter-Adapter der Lüfter verbunden ist bzw. der Lüfter in den Lüfter-Adapter eingesetzt ist, und wobei die Bajonettiereinrichtung an dem Lüfter-Adapter und einem Gegenstück der Beleuchtungseinrichtung, an welchem Gegenstück der Lüfter befestigt ist, angeordnet ist.It is provided that the lighting device has a fan adapter as an intermediate element, with which fan adapter the fan is connected or the fan is inserted into the fan adapter, and the bayonet device on the fan adapter and a counterpart of the lighting device , on which counterpart the fan is attached, is arranged.

Der Lüfter ist mit dem Lüfter-Adapter lösbar verbunden bzw. lösbar in diesem eingesetzt.The fan is detachably connected to the fan adapter or is detachably inserted therein.

Weiters ist vorgesehen, dass der Lüfter-Adapter eine Aufnahme aufweist, in welcher Aufnahme der Lüfter mittels einer Einrastverbindung, Einklipsverbindung oder Bajonettiereinrichtung lösbar befestigt/eingesetzt ist.It is further provided that the fan adapter has a receptacle, in which receptacle the fan is releasably fastened / inserted by means of a snap-in connection, clip-in connection or bayonetting device.

Bei einer anderen Variante , die nicht Teil der Erfindung ist, kann vorgesehen sein, dass der Lüfter mit einer Lüfter-Abdeckung als Zwischenelement lösbar verbindbar ist, wobei die Lüfter-Abdeckung mit der Beleuchtungsvorrichtung verbindbar, beispielsweise verschraubbar ist.In another variant, which is not part of the invention, it can be provided that the fan can be detachably connected to a fan cover as an intermediate element, the fan cover being connectable, for example screwable, to the lighting device.

Bei einer weiteren Variante, die nicht Teil der Erfindung ist, kann vorgesehen sein, dass der Lüfter mit einer Lüfter-Abdeckung als Zwischenelement lösbar verbindbar ist, wobei eine Bajonettiereinrichtung zum lösbaren Verbinden des Lüfters mit der Lüfter-Abdeckung vorgesehen ist.In a further variant, which is not part of the invention, it can be provided that the fan can be releasably connected to a fan cover as an intermediate element, with a bayonet device is provided for releasably connecting the fan to the fan cover.

Von Vorteil ist es dabei, wenn die Lüfter-Abdeckung mit der Beleuchtungsvorrichtung, beispielsweise mit einem Kühlkörper für eine oder mehrere Lichtquellen der Beleuchtungsvorrichtung verbunden ist.It is advantageous if the fan cover is connected to the lighting device, for example to a heat sink for one or more light sources of the lighting device.

Grundsätzlich ist es von Vorteil, wenn der Lüfter-Adapter bzw. die Lüfter-Abdeckung zumindest einen Luftführ-Kanal aufweist, sodass der Luftstrom optimal gelenkt werden kann.In principle, it is advantageous if the fan adapter or the fan cover has at least one air duct so that the air flow can be optimally directed.

Die Aufgabe wird alternativ mit einer Beleuchtungsvorrichtung gemäß Anspruch 3 gelöst, wobei bei dieser Alternative der Lüfter mit einem Deckel - als Zwischenelement - für eine Öffnung in der Beleuchtungsvorrichtung lösbar verbunden ist, wobei der Deckel mit einer Bajonettiereinrichtung bzw. mit Bajonettiermitteln versehen ist, mittels welcher er in der Öffnung lösbar verbunden ist, wobei der Deckel eine Rastvorrichtung aufweist, mittels welcher der Lüfter lösbar an dem Deckel befestigt ist.The object is alternatively achieved with a lighting device according to claim 3, wherein in this alternative the fan is detachably connected to a cover - as an intermediate element - for an opening in the lighting device, the cover being provided with a bayonet device or with bayonet means by means of which it is releasably connected in the opening, the cover having a latching device by means of which the fan is releasably attached to the cover.

Im Folgenden ist die Erfindung an Hand der Zeichnung näher erörtert. In dieser zeigt

  • Fig. 1 eine erfindungsgemäße Variante der Befestigung eines Lüfters in einer Beleuchtungseinrichtung in unverbautem Zustand,
  • Fig. 1a den Lüfter aus Figur 1 in verbautem Zustand,
  • Fig. 1b den Lüfter aus Figur 1 in verbautem Zustand und verbunden mit einem Kühlkörper für Lichtquellen, beispielsweise für LED-Lichtquellen,
  • Fig. 1c die Einheit aus Figur 1b in in eine Beleuchtungsvorrichtung in Form eines Scheinwerfers eingebautem Zustand,
  • Fig. 2 eine nicht erfindungsgemäße Variante der Befestigung eines Lüfters in einer Beleuchtungseinrichtung in unverbautem Zustand,
  • Fig. 2a den Lüfter aus Figur 2 in verbautem Zustand,
  • Fig. 2b den Lüfter aus Figur 2 in verbautem Zustand und verbunden mit einem Kühlkörper für Lichtquellen, beispielsweise für LED-Lichtquellen,
  • Fig. 2c die Einheit aus Figur 2b in in eine Beleuchtungsvorrichtung in Form eines Scheinwerfers eingebautem Zustand,
  • Fig. 3 eine weitere nicht erfindungsgemäße Variante der Befestigung eines Lüfters in einer Beleuchtungseinrichtung in unverbautem Zustand,
  • Fig. 3a den Lüfter aus Figur 3 in verbautem Zustand,
  • Fig. 3b den Lüfter aus Figur 3 in verbautem Zustand und verbunden mit einem Kühlkörper für Lichtquellen, beispielsweise für LED-Lichtquellen,
  • Fig. 3c die Einheit aus Figur 3b in in eine Beleuchtungsvorrichtung in Form eines Scheinwerfers eingebautem Zustand,
  • Fig. 4 eine weitere nicht erfindungsgemäße Variante der Befestigung eines Lüfters in einer Beleuchtungseinrichtung in unverbautem Zustand,
  • Fig. 4a den Lüfter aus Figur 4 in verbautem Zustand in einer Lüfteraufnahme,
  • Fig. 4b die Lüfteraufnahme aus Figur 4a mit verbautem Lüfter in einer perspektivischen Ansicht,
  • Fig. 4c die Lüfteraufnahme aus Figur 4b mit verbautem Lüfter, verbunden mit einem Kühlkörper für Lichtquellen, beispielsweise für LED-Lichtquellen,
  • Fig. 4d die Einheit aus Figur 4c in in eine Beleuchtungsvorrichtung in Form eines Scheinwerfers eingebautem Zustand,
  • Fig. 5 eine alternative erfindungsgemäße Variante der Befestigung eines Lüfters in einem Deckel einer Beleuchtungseinrichtung in unverbautem Zustand,
  • Fig. 5a den Lüfter aus Figur 5 in verbautem Zustand in dem Deckel,
  • Fig. 5b die Einheit aus Figur 5b in in eine Beleuchtungsvorrichtung in Form eines Scheinwerfers eingebautem Zustand,
  • Fig. 5c die Beleuchtungseinrichtung aus Figur 5b mit einem Kühlkörper für Lichtquellen, beispielsweise für LED-Lichtquellen, befestigt an dem Lüfter.
The invention is discussed in more detail below with reference to the drawing. In this shows
  • Fig. 1 a variant according to the invention of fastening a fan in a lighting device in an unassembled state,
  • Fig. 1a the fan off Figure 1 in built-in condition,
  • Figure 1b the fan off Figure 1 when installed and connected to a heat sink for light sources, e.g. for LED light sources,
  • Figure 1c the unit off Figure 1b when installed in a lighting device in the form of a headlight,
  • Fig. 2 a variant, not according to the invention, of fastening a fan in a lighting device in an unassembled state,
  • Fig. 2a the fan off Figure 2 in built-in condition,
  • Figure 2b the fan off Figure 2 when installed and connected to a heat sink for light sources, e.g. for LED light sources,
  • Figure 2c the unit off Figure 2b when installed in a lighting device in the form of a headlight,
  • Fig. 3 Another variant not according to the invention of the fastening of a fan in a lighting device in an unassembled state,
  • Fig. 3a the fan off Figure 3 in built-in condition,
  • Figure 3b the fan off Figure 3 when installed and connected to a heat sink for light sources, e.g. for LED light sources,
  • Figure 3c the unit off Figure 3b when installed in a lighting device in the form of a headlight,
  • Fig. 4 Another variant not according to the invention of the fastening of a fan in a lighting device in an unassembled state,
  • Figure 4a the fan off Figure 4 when installed in a fan mount,
  • Figure 4b the fan mount off Figure 4a with built-in fan in a perspective view,
  • Figure 4c the fan mount off Figure 4b with built-in fan, connected to a heat sink for light sources, e.g. for LED light sources,
  • Figure 4d the unit off Figure 4c when installed in a lighting device in the form of a headlight,
  • Fig. 5 an alternative variant according to the invention of fastening a fan in a cover of a lighting device in an unassembled state,
  • Figure 5a the fan off Figure 5 when installed in the lid,
  • Figure 5b the unit off Figure 5b when installed in a lighting device in the form of a headlight,
  • Figure 5c the lighting device off Figure 5b with a heat sink for light sources, for example for LED light sources, attached to the fan.

Figur 1 zeigt eine erfindungsgemäße Variante der Befestigung eines Lüfters 1 in einer Beleuchtungseinrichtung 100 in unverbautem Zustand. Figure 1 shows a variant according to the invention of the fastening of a fan 1 in a lighting device 100 in an unassembled state.

Der Lüfter 1 ist mittels einer Bajonettiereinrichtung mit einem Gegenstück 4 verbindbar. Dazu ist ein Lüfter-Adapter 3 vorgesehen, welcher Bajonettierhaken 2, 2a aufweist. In den Lüfter-Adapter 3 wird der Lüfter 1 in eine entsprechende Aufnahme 3a eingesetzt.The fan 1 can be connected to a counterpart 4 by means of a bayonetting device. For this purpose, a fan adapter 3 is provided which has bayonet hooks 2, 2a. In the fan adapter 3, the fan 1 is inserted into a corresponding receptacle 3a.

Das Gegenstück 4 verfügt über Bajonettieröffnungen 20, 20a, 20b, in welche der Lüfter-Adapter 3 mit den Bajonettierhaken 2, 2a eingesetzt und durch anschließendes Verdrehen des Adpapters 3 lösbar mit dem Gegenstück 4 verbunden wird. Auf diese Weise wird der Lüfter 1 lösbar mit dem Gegenstück 4 verbunden.The counterpart 4 has bayonet openings 20, 20a, 20b into which the fan adapter 3 with the bayonet hooks 2, 2a is inserted and releasably connected to the counterpart 4 by subsequently rotating the adapter 3. In this way, the fan 1 is releasably connected to the counterpart 4.

Das Gegenstück 4 weist eine zentrale Öffnung 4' auf, durch welche Luft axial angesaugt wird, diese strömt dann radial aus dem Lüfter 1 hinaus, wozu vorzugsweise der Adapter 3 über eine radiale Luftführungen, d.h. einen Luftführkanal 3b verfügt.The counterpart 4 has a central opening 4 'through which air is sucked in axially; it then flows radially out of the fan 1, for which purpose the adapter 3 preferably has radial air ducts, i.e. an air duct 3b.

Figur 1a zeigt den Lüfter aus Figur 1 in verbautem Zustand, d.h. in an dem Gegenstück 4 befestigtem Zustand. Figure 1a shows the fan off Figure 1 in the installed state, ie in the state attached to the counterpart 4.

Wie Figur 1b zu entnehmen ist, kann das Gegenstück 4 als Montageplatte ausgebildet sein, mittels welcher - etwa über entsprechende Bohrungen 50 - die Einheit aus Figur 1a mit einem Kühlkörper 105, welcher eine oder mehrere Lichtquellen 110 trägt, beispielsweise LED-Lichtquellen, verbunden werden kann (siehe Figur 1c).As Figure 1b can be seen, the counterpart 4 can be designed as a mounting plate, by means of which - for example via corresponding bores 50 - the unit Figure 1a can be connected to a heat sink 105, which carries one or more light sources 110, for example LED light sources (see FIG Figure 1c ).

Figur 1c zeigt eine Beleuchtungsvorrichtung (Scheinwerfer) 100, in welche die Baugruppe aus Figur 1b in einer entsprechenden Öffnung eingebaut ist; weiters zu erkennen ist, dass bei dieser Ausführungsform ein Reflektor 120 vorgesehen ist, welcher ebenfalls mit dem Kühlkörper 105 verbunden ist. Figure 1c shows a lighting device (headlamp) 100, in which the assembly from Figure 1b is installed in a corresponding opening; It can also be seen that in this embodiment a reflector 120 is provided, which is also connected to the heat sink 105.

Der Adapter 3 kann von der Rückseite des Scheinwerfers 100 her gelöst werden, sodass aus dem Adapter 3 der Lüfter 1 entnommen werden kann.The adapter 3 can be detached from the rear of the headlight 100 so that the fan 1 can be removed from the adapter 3.

Figur 2 zeigt eine nicht erfindungsgemäße Variante der Befestigung eines Lüfters in einer Beleuchtungseinrichtung in unverbautem Zustand. Figure 2 shows a variant, not according to the invention, of the fastening of a fan in a lighting device in an unassembled state.

Hier ist eine Lüfter-Abdeckung 5 vorgesehen, mit welcher der Lüfter 1 lösbar verbindbar ist. Konkret ist hier eine Rastverbindung vorgesehen, bestehend aus Haltehaken 5a und Rasthaken 5b, welche von der Lüfter-Abdeckung 5 abstehen.A fan cover 5 is provided here, to which the fan 1 can be detachably connected. Specifically, a locking connection is provided here, consisting of retaining hooks 5a and locking hooks 5b, which protrude from the fan cover 5.

Der Lüfter 1 weist Halteabschnitte 1' und Rastabschnitte 1" auf, welche mit den entsprechenden Haken 5a, 5b der Lüfter-Abdeckung 5 zusammenwirken (siehe Figur 2a).The fan 1 has holding sections 1 'and latching sections 1 "which interact with the corresponding hooks 5a, 5b of the fan cover 5 (see FIG Figure 2a ).

Die Rasthaken 5b verbiegen sich beim Einrasten des Lüfters 1, während die Haltehaken 5a sich nur geringfügig oder gar nicht biegen können; durch die Kombination aus Rast- und Haltehaken ergibt sich eine stabile, rüttelfeste Verbindung des Lüfters 1 mit der Lüfter-Abdeckung 5.The latching hooks 5b bend when the fan 1 snaps into place, while the retaining hooks 5a can bend only slightly or not at all; The combination of latching and retaining hooks results in a stable, vibration-proof connection between the fan 1 and the fan cover 5.

Die Lüfter-Abdeckung 5 selbst wird mit der Beleuchtungsvorrichtung beispielsweise verschraubt, vernietet etc., wozu bei der gezeigten Ausführungsform in Figur 2a und 2b entsprechende Befestigungs-Bohrungen 50 an der Lüfter-Abdeckung 5 vorgesehen sind.The fan cover 5 itself is screwed, riveted, etc. to the lighting device, for example, for which purpose in the embodiment shown in FIG Figure 2a and 2 B Corresponding fastening bores 50 are provided on the fan cover 5.

Konkret wird dabei mit der Lüfter-Abdeckung 5 der Lüfter beispielsweise, wie in Figur 2b gezeigt, an einem Kühlkörper 105 befestigt.Specifically, the fan is used with the fan cover 5, for example, as in Figure 2b shown attached to a heat sink 105.

Figur 2c zeigt noch die gesamte Beleuchtungsvorrichtung 100, die Bezugszeichen 110 und 120 wurden schon in Zusammenhang mit Figur 1c erörtert. Figure 2c shows the entire lighting device 100, the reference numerals 110 and 120 have already been used in connection with Figure 1c discussed.

Der Lüfter 1 kann von der Rückseite des Scheinwerfers 100 her gelöst werden, indem er aus der Lüfter-Abdeckung 5 entnommen wird.The fan 1 can be released from the rear of the headlight 100 by removing it from the fan cover 5.

Figur 3 und 3a zeigen eine weitere nicht erfindungsgemäße Variante der Befestigung eines Lüfters 1 an einer Beleuchtungseinrichtung. Figure 3 and 3a show a further variant, not according to the invention, of fastening a fan 1 to a lighting device.

Der Lüfter 1 ist wieder mit einer Lüfter-Abdeckung 5 lösbar verbindbar ist, wobei eine Bajonettiereinrichtung zum lösbaren Verbinden des Lüfters 1 mit der Lüfter-Abdeckung 5 vorgesehen ist.The fan 1 can again be releasably connected to a fan cover 5, a bayonet device being provided for releasably connecting the fan 1 to the fan cover 5.

Dabei umfasst in dem gezeigten Beispiel die Bajonettiereinrichtung Bajonetthaken 21, welche an der Lüfter-Abdeckung 5 angebracht sind, sowie entsprechende Gegenstücke 210 an dem Lüfter 1. Durch Drehen des Lüfters 1 in Bezug auf die Lüfter-Abdeckung 5 kann eine lösbare Verbindung zwischen diesen Bauteilen 1, 5 über die Bajonettiereinrichtung hergestellt werden.In the example shown, the bayonet device includes bayonet hooks 21, which are attached to the fan cover 5, as well as corresponding counterparts 210 on the fan 1. By rotating the fan 1 in relation to the fan cover 5, a detachable connection between these components can be established 1, 5 can be made via the bayonetting device.

Der 1 Lüfter hält an der Lüfter-Abdeckung 5 durch die Bajonettiereinrichtung. Da diese nur zwei Haltepunkte liefert, ist ein Niederhalteelement 31 an der Lüfter-Abdeckung 5 vorgesehen, welches den Lüfter 1 an dem Element 310 niederhält, um ein Aufschwingen des Lüfters 1 zu verhindern.The 1 fan is held on the fan cover 5 by the bayonet device. Since this only provides two holding points, a hold-down element 31 is provided on the fan cover 5, which holds the fan 1 down on the element 310 in order to prevent the fan 1 from swinging open.

Ein weiterer Haltepunkt wird von einem Haltehaken 51 geliefert.A further holding point is provided by a holding hook 51.

Figur 3b zeigt die Verbindung mit einem Kühlkörper 105 und Figur 3 die gesamte Beleuchtungsvorrichtung 100. Es gelten hier dieselbe Beschreibung und Überlegungen wie zu den Figuren 2b und 2c. Figure 3b shows the connection to a heat sink 105 and Figure 3 the entire lighting device 100. The same description and considerations apply here as for Figures 2b and 2c .

Wie auch bei Variante 2 deckt bei Variante 3 die Lüfter-Abdeckung 5 den Lüfter 1 zum Scheinwerfer 100 hin ab und dient als Halterung für den Lüfter 1. Die Luft strömt durch die Lüfterabdeckung 5 und durch den Lüfter 1 und tritt in beiden Varianten 2 und 3 seitlich aus dem Lüfter 1 aus (axiale Ansaugung, radialer Austritt).As in variant 2, in variant 3, the fan cover 5 covers the fan 1 towards the headlight 100 and serves as a holder for the fan 1. The air flows through the fan cover 5 and through the fan 1 and occurs in both variants 2 and 3 from the side of the fan 1 (axial suction, radial outlet).

Figur 4 zeigt eine weitere nicht erfindungsgemäße Variante, bei der Lüfter 1 in einer Lüfter-Abdeckung 60 befestigt wird. Figure 4 shows a further variant not according to the invention, in which the fan 1 is fastened in a fan cover 60.

Die Lüfter-Abdeckung 60 weist eine Aufnahme auf, in welcher der Lüfter 1 mittels einer entsprechenden Einrastverbindung verrastet werden kann. Dazu verfügt der Lüfter 1 über Rastelemente 40, welche durch Hineindrücken und gegebenenfalls ein Verdrehen des Lüfters 1 in entsprechende Öffnungen 41 in der Lüfter-Abdeckung 60 lösbar einrasten (siehe Figur 4a).The fan cover 60 has a receptacle in which the fan 1 can be locked by means of a corresponding snap-in connection. For this purpose, the fan 1 has latching elements 40 which, by pushing in and, if necessary, rotating the fan 1, detachably latch into corresponding openings 41 in the fan cover 60 (see FIG Figure 4a ).

Die Lüfter-Abdeckung 60 selbst wird an einem Gegenstück 4, etwas einer Montageplatte ähnlich wie an Hand der Figuren 1 und 1 a beschrieben bajonettiert, dazu verfügt die Lüfter-Abdeckung 60 über entsprechende Bajonettierhaken 51.The fan cover 60 itself is on a counterpart 4, something of a mounting plate similar to that of the Figures 1 and 1 a, the fan cover 60 has corresponding bayonet hooks 51 for this purpose.

Figur 4c zeigt die Lüfter-Abdeckung 60 mit Lüfter 1, bajonettiert an der Montageplatte 4, welche mit einem Kühlkörper 105 beispielsweise über Bohrungen 50 verbunden ist. Figure 4c shows the fan cover 60 with fan 1, bayoneted on the mounting plate 4, which is connected to a heat sink 105 via bores 50, for example.

Bezüglich Figur 4c und der Luftströmung gelten die Überlegungen wie zu den Varianten 2 und 3.In terms of Figure 4c and the air flow, the same considerations as for variants 2 and 3 apply.

Figur 5 zeigt eine alternative erfindungsgemäße Variante, bei welcher der Lüfter 1 mit einem Deckel 7 zum Verschließen einer Öffnung der Beleuchtungsvorrichtung 100 lösbar verbindbar ist. Figure 5 shows an alternative variant according to the invention, in which the fan 1 can be detachably connected to a cover 7 for closing an opening of the lighting device 100.

Der Deckel 7 weist Bajonettiermittel 70 auf, mittels welcher er in der Öffnung der Beleuchtungsvorrichtung 100 lösbar verbindbar ist.The cover 7 has bayonet means 70 by means of which it can be detachably connected in the opening of the lighting device 100.

Figur 5b zeigt die Situation, in welcher der Deckel 7 in der Öffnung der Beleuchtungsvorrichtung 100 bajonettiert ist. Die Öffnung ist dazu entsprechend ausgebildet, was hier nicht näher beschrieben ist. Figure 5b shows the situation in which the cover 7 is bayoneted in the opening of the lighting device 100. The opening is designed accordingly, which is not described in more detail here.

Weiters weist der der Deckel 7 eine Rastvorrichtung bestehend aus Rasthaken 7a auf, mittels welcher der Lüfter 1 lösbar an dem Deckel 7 befestigbar ist, wie dies in Figur 5a gezeigt ist. Die Rasthaken 7a umgreifen dabei die Oberseite des Lüfters 1 und halten diesen an dem Deckel 1.Furthermore, the cover 7 has a latching device consisting of latching hooks 7a, by means of which the fan 1 can be releasably attached to the cover 7, as shown in FIG Figure 5a is shown. The latching hooks 7a grip around the top of the fan 1 and hold it on the cover 1.

Der Lüfter 1 saugt axial die Luft an der dem Deckel 7 abgewandten Seite an, diese strömt dann radial aus dem Lüfter heraus.The fan 1 sucks in the air axially on the side facing away from the cover 7, which then flows radially out of the fan.

Figur 5c zeigt schließlich noch einen Kühlkörper 105 montiert, Reflektor 120 und etc. (Bezugszeichen wie bei den vorhergehenden Varianten). Figure 5c Finally, FIG. 8 shows a heat sink 105 mounted, reflector 120 and etc. (reference numerals as in the previous variants).

Der Deckel 7 kann von der Rückseite des Scheinwerfers problemlos herausgedreht und dann der eingerastete Lüfter entnommen werden.The cover 7 can easily be unscrewed from the back of the headlight and then the latched fan can be removed.

Claims (4)

  1. Lighting device for a motor vehicle, which has at least one fan (1), the at least one fan (1) being detachably fastened to the lighting device, a bayoneting device (2, 2a, 20, 20a, 20b) and/or a latching connection being provided, by means of which bayoneting device and/or latching connection the fan (1) is detachably connected to the lighting device by interconnection of one or more intermediate elements, the lighting device having a fan adapter (3) as intermediate element, to which fan adapter (3) the fan (1) is connected or the fan (1) is inserted into the fan adapter (3), and wherein the bayoneting device (2, 2a, 2b, 20, 20a, 20b) is arranged on the fan adapter (3) and a counterpart (4) of the lighting device, to which counterpart (4) the fan (1) is attached, the fan adapter (3) having a receptacle (3a), in which receptacle (3a) the fan (1) is detachably fastened/inserted by means of a snap-in connection, clip-in connection or bayonet device.
  2. Lighting device according to claim 1, characterized in that the fan adapter (3) has at least one air guide channel (3b).
  3. Lighting device for a motor vehicle, which has at least one fan (1), the at least one fan (1) being detachably fastened to the lighting device, a bayonet device (70) and/or a latching connection being provided, by means of which bayonet device and/or latching connection the fan (1) is detachably connected to the lighting device by the interposition of one or more intermediate elements, wherein the fan (1) is detachably connected to a cover (7) - as an intermediate element - for an opening in the lighting device, wherein the cover (7) is provided with a bayonet device (70) by means of which it is detachably connected in the opening, wherein the cover (7) has a latching device (7a) by means of which the fan (1) is detachably fastened to the cover (7).
  4. Motor vehicle headlamp having at least one lighting device according to any one of claims 1 to 3.
EP13169151.1A 2012-06-27 2013-05-24 Illumination device Active EP2679883B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ATA50251/2012A AT513058B1 (en) 2012-06-27 2012-06-27 lighting device

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EP2679883A2 EP2679883A2 (en) 2014-01-01
EP2679883A3 EP2679883A3 (en) 2018-04-25
EP2679883B1 true EP2679883B1 (en) 2021-12-29

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CN (2) CN105351841A (en)
AT (1) AT513058B1 (en)

Families Citing this family (3)

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FR3031571B1 (en) * 2015-01-09 2018-08-10 Valeo Vision OPTICAL MODULE FOR VEHICLE PROJECTOR
DE102017110740A1 (en) 2017-05-17 2018-11-22 HELLA GmbH & Co. KGaA Recording arrangement for receiving a fan to a light module of a headlamp for a vehicle
DE102020112963B3 (en) 2020-05-13 2021-10-07 HELLA GmbH & Co. KGaA Ventilation system for a headlight of a motor vehicle, headlight and motor vehicle

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Also Published As

Publication number Publication date
AT513058A1 (en) 2014-01-15
EP2679883A2 (en) 2014-01-01
AT513058B1 (en) 2014-09-15
CN105351841A (en) 2016-02-24
CN103511947A (en) 2014-01-15
EP2679883A3 (en) 2018-04-25

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