专利摘要:
The invention relates to a lighting device which has at least one fan (1), wherein the fan (1) can be fastened to the lighting device, preferably releasably fastened, and wherein a bayonet device (2, 2a, 20, 20a, 20b) and / or a Locking connection is provided, by means of which Bajonettiereinrichtung and / or latching connection of the fan (1) is detachably connectable to the lighting device.
公开号:AT513058A1
申请号:T50251/2012
申请日:2012-06-27
公开日:2014-01-15
发明作者:Christoph Laengauer;Clemens Hauer
申请人:Zizala Lichtsysteme Gmbh;
IPC主号:
专利说明:

P12581
lighting device
The invention relates to a lighting device which has at least one fan, wherein the fan to the lighting device fastened, preferably releasably fastened.
Vehicle headlights often have a fan for generating an air flow with which, for example, light sources are cooled. In LED headlights, for example, the LED light sources are mounted on a heat sink, which is cooled by the air flow of the radiator, and / or the LED light sources are directly cooled by the air flow.
For attachment, the fan can, for example, with the headlight, i. be bolted to the housing, a light module or a cover for the headlight housing. Changing the fan is therefore only possible using suitable special tools.
It is an object to provide a lighting device for a motor vehicle, such as 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.
This object is achieved with an illumination device mentioned in the introduction in that, according to the invention, a bayonet device and / or a latching connection is provided, by means of which bayonet device and / or latching connection the fan can be detachably connected to the illumination device.
By connecting the fan A bayonet device and / or a locking connection, either directly or by interposing one or more intermediate elements, as described below, the fan can be changed without tools. -2- PI2581
In a variant of the invention, it is provided that the lighting device has a fan adapter, with which fan adapter the fan can be connected or the fan can be inserted into the fan adapter, and wherein the bayonet device is connected to the fan adapter and a counterpart the lighting device, on which counterpart the fan is to be attached, is arranged.
It is advantageous if the fan with the fan adapter detachably connectable or detachable in this is used.
Furthermore, it can be advantageously provided that the fan adapter has a receptacle in which receptacle the fan can be fastened / inserted, preferably detachably fastened / inserted, for example by means of a snap connection, Einklipsverbindung or Bajonettiereinrichtung.
In another variant, it can be provided that the fan with a fan cover is releasably connectable, wherein the fan cover with the lighting device connectable, for example, is screwed.
In a further embodiment it can be provided that the fan with a fan cover is detachably connectable, wherein a Bajonettiereinrichtung is provided for releasably connecting the fan with the fan cover.
It is advantageous if the fan cover is connected to the lighting device, for example with a heat sink for one or more light sources of the lighting device.
In principle, it is advantageous if the fan adapter or the fan cover has at least one air guide channel, so that the air flow can be optimally steered.
In yet another variant of the invention, the fan is detachably connectable to a lid for an opening in the lighting device, wherein the lid is provided with a bayonet device or with bayonet means, by means of which it can be detachably connected in the opening.
In order to be able to fasten the fan detachably to the cover, it is further provided that the cover has a latching device, by means of which the fan can be detachably fastened to the cover.
In the following the invention is discussed in more detail with reference to the drawing. In this shows
1 shows a first variant of the attachment of a fan in a lighting device in the uninstalled state,
1a shows the fan of Figure 1 in installed condition,
1 b in the installed state and connected to a heat sink for light sources, for example for LED light sources,
1c shows the unit of FIG. 1b in a state installed in a lighting device in the form of a headlight;
2 shows a second variant of the attachment of a fan in a lighting device in the uninstalled state,
2a shows the fan of Figure 2 in the installed state,
2 b in the installed state and connected to a heat sink for light sources, for example for LED light sources,
FIG. 2c shows the unit from FIG. 2b in a state installed in a lighting device in the form of a headlight, FIG.
3 shows a third variant of the attachment of a fan in a lighting device in imbedautem state,
3a shows the fan of Figure 3 in the installed state,
3b, the fan of Figure 3 in the installed state and connected to a heat sink for light sources, for example for LED light sources,
FIG. 3c shows the unit of FIG. 3b in a state installed in a lighting device in the form of a headlamp, FIG
4 shows a fourth variant of the attachment of a fan in a lighting device in the uninstalled state,
4 a shows the fan from FIG. 4 in the installed state in a fan receptacle,
4b, the Ltifteraufnahme from Figure 4a with installed fan in a perspective view,
4c shows the fan mount from FIG. 4b with a built-in fan connected to a heat sink for light sources, for example for LED light sources, FIG.
4d shows the unit from FIG. 4c in a state incorporated in a lighting device in the form of a headlight,
5 shows a fifth variant of the attachment of a fan in a cover of a lighting device in the uninstalled state,
5a, the fan of Figure 5 in the installed state in the lid,
5b shows the unit of FIG. 5b installed in a lighting device in the form of a headlight, FIG.
5c shows the illumination device from FIG. 5b with a heat sink for light sources, for example for LED light sources, attached to the fan.
Figure 1 shows a first variant of the attachment of a fan 1 in a lighting device 100 in the uninstalled state.
The fan 1 is connected by means of a Bajonettiereinrichtung with a counterpart 4. 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. -5- PI2581
The counterpart 4 has bayonet openings 20, 20a, 20b, in which the fan adapter 3 is inserted with the bayonet hook% 2a and is connected by subsequent rotation of the Adpapters 3 releasably connected to the counterpart 4. In this way, the fan 1 is releasably connected to the counterpart 4.
The counterpart 4 has a central opening 4 ', through which air is sucked in axially, this then flows radially out of the fan 1, to which end preferably the adapter 3 via a radial air ducts, i. an air duct 3b has.
Figure la shows the fan of Figure 1 in the installed state, i. in attached to the counterpart 4 state.
As can be seen from Figure lb, the counterpart 4 may be formed as a mounting plate, by means of which - about corresponding holes 50 - the unit of Figure la with a heat sink 105, which carries one or more light sources 110, such as LED light sources connected can (see Figure lc).
Figure lc shows a lighting device (headlamp) 100, in which the assembly of Figure lb is installed in a corresponding opening; Furthermore, it can be seen that in this embodiment, a reflector 120 is provided, which is also connected to the heat sink 105
The adapter 3 can be released from the rear side of the headlamp 100, so that the fan 1 can be removed from the adapter 3.
Figure 2 shows a second variant of the attachment of a fan in a lighting device in uninstalled state.
Here, a fan cover 5 is provided, with which the fan 1 is detachably connectable. Specifically, a locking connection is provided here, consisting of retaining hooks 5a and latching hooks 5b, which protrude from the fan cover 5.
The fan 1 has holding sections 1 'and latching sections 1 " which cooperate with the corresponding hooks 5a, 5b of the fan cover 5 (see FIG. 2a). -6- PI2581
The latching hooks 5b bend during engagement of the fan 1, 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 of the fan 1 with the fan cover 5.
The fan cover 5 itself is screwed, riveted, etc. with the lighting device, for example, for which corresponding mounting holes 50 are provided on the fan cover 5 in the embodiment shown in Figure 2a and 2b.
Specifically, with the fan cover 5 of the fan, for example, as shown in Figure 2b, attached to a heat sink 105.
Figure 2c still shows the entire lighting device 100, the reference numerals 110 and 120 have already been discussed in connection with Figure 1c.
The fan 1 can be released from the rear side of the headlight 100 by being removed from the fan cover 5.
Figures 3 and 3a show a third variant of the attachment of a fan 1 to a lighting device.
The fan 1 is again releasably connectable to a fan cover 5, wherein a Bajonettiereinrichtung is provided for releasably connecting the fan 1 with the fan cover 5
In the example shown, the bayonet device comprises bayonet hooks 21, which are attached to the fan cover 5, and corresponding counterparts 210 on the fan 1. By turning the fan 1 with respect to the fan cover 5, a releasable connection between these components 1, 5 are produced via the Bajonettiereinrichtung.
The 1 fan stops at the fan cover 5 through the bayonet device. Since this provides only two breakpoints a hold-down element 31 is provided on the fan cover 5, which holds down the fan 1 on the element 310 in order to prevent the fan 1 from swinging up.
[Printed: 2 $ 062Q12 PI2581
Another breakpoint is supplied by a retaining hook 51.
FIG. 3b shows the connection with a heat sink 105 and FIG. 3 shows the entire lighting device 100. The same description and considerations apply here as in FIGS. 2b and 2c.
As in the case of variant 2, in variant 3 the fan cover 5 covers the fan 1 toward 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 laterally from the fan 1 (axial intake, radial outlet).
FIG. 4 shows a fourth variant, in which fan 1 is fastened in a fan cover 60.
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 engage releasably by pushing in and optionally rotating the fan 1 into corresponding openings 41 in the fan cover 60 (see FIG. 4a).
The fan cover 60 itself is bayoneted on a counterpart 4, somewhat similar to a mounting plate as described with reference to FIGS. 1 and 1a. The fan cover 60 has corresponding bayonet hooks 51 for this purpose.
Figure 4c shows the fan cover 60 with fan 1, bayonet on the mounting plate 4, which is connected to a heat sink 105, for example via holes 50.
With regard to FIG. 4c and the air flow, the considerations as for variants 2 and 3 apply.
Figure 5 shows a fifth variant in which the fan 1 with a cover 7 for closing an opening of the lighting device 100 is detachably connectable.
The cover 7 has bayonetizing means 70, by means of which it can be releasably connected in the opening of the lighting device 100. -8- PI2581
FIG. 5 b 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 here.
Furthermore, the lid 7 has a latching device consisting of latching hooks 7a, by means of which the fan 1 can be detachably fastened to the lid 7, as shown in FIG. 5a. The latching hooks 7a engage around the top side of the fan 1 and hold it against the cover 1.
The fan 1 axially sucks the air on the side facing away from the cover 7, this then flows radially out of the fan.
Finally, FIG. 5c also shows a heat sink 105 mounted, reflector 120 and etc. (reference numerals as in the preceding variants).
The lid 7 can be easily unscrewed from the back of the headlamp and then removed the locked fan.
Vienna, June 27, 2012
权利要求:
Claims (10)
[1]


1. Lighting device, which has at least one fan (1), wherein the fan (1) attachable to the lighting device, preferably releasably fastened is characterized in that a Bajonettiereinrichtung (2, 2a, 20, 20a, 20b) and / or a Locking connection is provided, by means of which Bajonettiereinrichtung and / or latching connection of the fan (1) is detachably connectable to the lighting device.
[2]
2. Lighting device according to claim 1, characterized in that the lighting device comprises a fan adapter (3) with which fan adapter (3) the fan (1) is connectable or the fan (1) in the fan Adapter (3) can be used, and wherein the Bajonettiereinrichtung (2, 2a, 2b, 20, 20a, 20b) on the fan adapter (3) and a counterpart (4) of the illumination device on which counterpart (4) of the fan ( 1) is to be fastened, is arranged.
[3]
3. Lighting device according to claim 3, characterized in that the fan (1) with the fan adapter (3) is releasably connectable or detachably insertable in this.
[4]
4. Lighting device according to claim 2 or 3, characterized in that the fan adapter (3) has a receptacle (3a), in which receptacle (3a) of the fan (1) attachable / usable, preferably releasably attachable / can be used for example by means a snap connection, Einkbpsverbindung or Bajoenttiereinrichtung.
[5]
5. Lighting device according to claim 1, characterized in that the fan (1) with a fan cover (5) is detachably connectable, wherein the fan cover (5) with the lighting device connectable, for example, is screwed.
[6]
6. Lighting device according to claim 1, characterized in that the fan (1) with a fan cover (5) is releasably connectable, wherein a Bajonettiereinrichtung (21, 210) for releasably connecting the fan (1) with the fan cover ( 5) is provided. -10- -10- ^ änted: 2e ^ 06-20i2 PI2581
[7]
7. Lighting device according to claim 5 or 6, characterized in that the fan cover (5) is connected to the lighting device, for example with a heat sink (105) for one or more light sources of the lighting device.
[8]
8. Lighting device according to one of claims 2 to 7, characterized in that the fan adapter (3) or the fan cover (5) has at least one air duct (3b).
[9]
9. Lighting device according to claim 1, characterized in that the fan (1) with a cover (7) for an opening in the lighting device is releasably connectable, wherein the lid (7) is provided with a Bajonettiereinrichtung (70), by means of which he detachably connectable in the opening.
[10]
10. Lighting device according to claim 9, characterized in that the cover (7) has a latching device (7a), by means of which the fan (1) releasably on the lid (7) can be fastened. Vienna, June 27, 2012
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同族专利:
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引用文献:
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法律状态:
2016-11-15| HC| Change of the firm name or firm address|Owner name: ZKW GROUP GMBH, AT Effective date: 20161014 |
2019-02-15| MM01| Lapse because of not paying annual fees|Effective date: 20180627 |
优先权:
申请号 | 申请日 | 专利标题
ATA50251/2012A|AT513058B1|2012-06-27|2012-06-27|lighting device|ATA50251/2012A| AT513058B1|2012-06-27|2012-06-27|lighting device|
EP13169151.1A| EP2679883B1|2012-06-27|2013-05-24|Illumination device|
CN201510678621.XA| CN105351841A|2012-06-27|2013-06-27|Illumination device|
CN201310261505.9A| CN103511947A|2012-06-27|2013-06-27|Illumination device|
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