CN217714597U - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN217714597U CN217714597U CN202221068478.4U CN202221068478U CN217714597U CN 217714597 U CN217714597 U CN 217714597U CN 202221068478 U CN202221068478 U CN 202221068478U CN 217714597 U CN217714597 U CN 217714597U
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Abstract
The utility model discloses a lighting device, which comprises a lamp shell, a first light source, a second light source and a first reflecting cup which are arranged in the lamp shell, and a lamp shade connected with the lamp shell; at least one cup cavity is arranged in the first reflecting cup, the first light source and the second light source are arranged in each cup cavity, and the distances from the first light source and the second light source in the same cup cavity to the central axis of the cup cavity are different; the light rays emitted by the first light source and the second light source are reflected by the first reflecting cup and then emitted out of the lampshade. The utility model discloses a lighting device light-emitting homogeneity is good, and can realize two kind at least grading angles.
Description
Technical Field
The utility model relates to an illumination lamps and lanterns technical field especially relates to a lighting device.
Background
At present, in order to improve the light emitting uniformity of an LED lamp, a TIR combined lens and a fly-eye lampshade are generally adopted to carry out secondary light distribution when the LED lamp bead is assembled into the LED lamp.
However, this structure is difficult to be applied to a down lamp provided with a plurality of lamp beads. On one hand, when the lens covers a plurality of lamp beads, the overall height and the diameter of the lens are required to be large, the occupied installation space is large, and the cost is high; on the other hand, as the distance between the light sources is larger, the granular light sources are easy to see after being emitted out of the lens and the lampshade, and the uniform light-emitting effect of the COB-simulated light source cannot be achieved; in addition, the down lamp with the structure can only realize a single light spot effect due to the limitation of installation space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a lighting device is provided, the light-emitting homogeneity is good, and can realize two kind at least grading angles.
In order to solve the technical problem, the utility model provides a lighting device, which comprises a lamp housing, a first light source, a second light source, a first reflecting cup and a lamp shade, wherein the first light source, the second light source and the first reflecting cup are arranged in the lamp housing;
at least one cup cavity is arranged in the first reflecting cup, the first light source and the second light source are arranged in each cup cavity, and the distances from the first light source and the second light source in the same cup cavity to the central axis of the cup cavity are different;
the light rays emitted by the first light source and the second light source are reflected by the first reflecting cup and then emitted out of the lampshade.
As an improvement of the above scheme, a first cup cavity and a second cup cavity are arranged in the first reflection cup, the first cup cavity and the lamp housing are coaxially arranged, and the second cup cavity is arranged in a circumferential array of the first cup cavity.
As an improvement of the scheme, the reflective cup further comprises a second reflective cup, wherein a third cup cavity is arranged in the second reflective cup, and the third cup cavity completely covers all cup cavities of the first reflective cup.
As an improvement of the scheme, the second reflecting cup is arranged on the top of the first reflecting cup.
As an improvement of the above scheme, the lamp further comprises a heat sink, the heat sink is arranged in the lamp housing, and the second reflection cup is formed on the heat sink.
As an improvement of the scheme, the calibers of the first reflecting cup and the second reflecting cup are gradually increased towards one end close to the lampshade.
As an improvement of the scheme, the first light source is arranged in the center of the cup cavity, and the second light source is arranged in a mode of deviating from the central axis of the cup cavity.
As a refinement of the above, the second light sources are arranged in a circumferential array of the first light sources.
As an improvement of the scheme, a cup cavity is arranged in the first reflecting cup, and the first reflecting cups are circumferentially arrayed in the lamp housing along the central axis of the lamp housing.
As an improvement of the above scheme, the first light source and the second light source are respectively connected with different power supply circuits.
Implement the utility model discloses, following beneficial effect has:
the utility model provides a lighting device, through set up at least one cup chamber in first reflection cup, all set up first light source and second light source in each cup chamber, the distance of first light source to cup chamber axis sets to the inequality with the distance of second light source to cup chamber axis, the grading angle of the first light source light that is reflected back by first reflection cup by the lamp shade is different with the grading angle of the second light source light that is reflected back by first reflection cup by the lamp shade, first light source and second light source realize the regional grading in original optical space, can realize the illumination mode of different angles;
the first light source and the second light source are arranged in the same cup cavity, the distance between the light sources arranged in the lens is small, the visual effect of a single light source cannot appear in appearance, and the uniform light-emitting effect of the COB-like light source is achieved;
the lamp shell is not required to be internally provided with a lens with large volume, so that the installation space is saved, the cost is reduced, and the miniaturization design of the illuminating device is facilitated.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the lighting device of the present invention;
FIG. 2 is an enlarged view of part A of FIG. 1;
fig. 3 is a schematic structural diagram of another embodiment of a lighting device according to the present invention;
fig. 4 is an enlarged schematic view of a portion B of fig. 3.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the present invention provides an embodiment of a lighting device, which includes a lamp housing 1, a first light source 2, a second light source 3, and a first reflector cup 4 disposed in the lamp housing 1, and a lamp cover 5 connected to the lamp housing 1; at least one cup cavity is arranged in the first reflecting cup 4, the first light source 2 and the second light source 3 are arranged in each cup cavity, and the distances from the first light source 2 and the second light source 3 in the same cup cavity to the central axis of the cup cavity are different; the light rays emitted by the first light source 2 and the second light source 3 are reflected by the first reflecting cup 4 and then emitted out of the lampshade 5.
In the embodiment, at least one cup cavity is arranged in a first reflection cup 4, a first light source 2 and a second light source 3 are arranged in each cup cavity, the distance from the first light source 2 to the central axis of the cup cavity is unequal to the distance from the second light source 3 to the central axis of the cup cavity, the light distribution angle of the light of the first light source 2 emitted by a lampshade 5 after being reflected by the first reflection cup 4 is different from the light distribution angle of the light of the second light source 3 emitted by the lampshade 5 after being reflected by the first reflection cup 4, the first light source 2 and the second light source 3 realize regional light distribution, and illumination modes with different angles can be realized; the first light source 2 and the second light source 3 are arranged in the same cup cavity, the distance between the light sources arranged in the lens is small, the visual effect of a single light source cannot appear in appearance, and the uniform light-emitting effect of the COB-like light source is achieved; a lens with large volume is not needed to be arranged in the lamp shell 1, so that the installation space is saved, the cost is reduced, and the miniaturization design of the illuminating device is facilitated.
In this embodiment, the first light source 2 is preferably arranged in the center of the cup cavity, and the second light source 3 is arranged offset from the central axis of the cup cavity.
The first light source 2 and the second light source 3 of the present embodiment are both disposed on the light source board 6. The first light source 2 and the second light source 3 are respectively connected with different power supply circuits on the light source board 6, so that the lighting device of the embodiment can realize at least three lighting modes, namely the first light source 2 works independently to form lighting with a small light distribution angle; the second light source 3 works independently to form illumination with a large light distribution angle; the first light source 2 and the second light source 33 work simultaneously to form a lighting effect with a large light distribution angle, large brightness and uniformity.
The present embodiment further includes a heat sink 7, and the heat sink 7 is connected to the light source board 6 to help the light source board 6 dissipate heat.
To enhance the brightness of the second light source 3 during dark operation, the second light source 3 may be arranged in a circumferential array of the first light sources 2.
Only one cup cavity can be arranged in the first reflection cup 4, and the first reflection cup 4 is arranged in the lamp housing 1 along the central axis of the lamp housing 1 in a circumferential array mode, so that the overall light emitting of the lighting device is uniform.
For convenient assembly, in this embodiment, preferably, a first cup cavity 41a and a second cup cavity 41b are formed in the first reflection cup 4, the first cup cavity 41a and the lamp housing 1 are coaxially arranged, the second cup cavity 41b is arranged in a circumferential array of the first cup cavity 41a, and the light emitted from the whole lighting device is uniform.
As shown in fig. 3 and 4, the present invention further discloses another embodiment of a lighting device, which comprises a lamp housing 1, a first light source 2, a second light source 3, a first reflective cup 4, a second reflective cup 8 and a heat sink 7 arranged in the lamp housing 1, and a lamp shade 5 connected to the lamp housing 1; at least one cup cavity is arranged in the first reflecting cup 4, the first light source 2 and the second light source 3 are arranged in each cup cavity, and the distances from the first light source 2 and the second light source 3 in the same cup cavity to the central axis of the cup cavity are different; the second reflector cup 8 and the heat sink 7 are disposed in the lamp housing 1.
The heat sink 7 is connected to the light source board 6 to help the light source board 6 dissipate heat.
A third cup cavity 81 is arranged in the second reflection cup 8, and the third cup cavity 81 completely covers all the cup cavities of the first reflection cup 4. The calibers of the first reflector cup 4 and the second reflector cup 8 are gradually increased towards one end close to the lampshade 5, so that the first light source 2 and the second light source 3 can form a larger light distribution angle.
The second reflection cup 8 can be independent of the radiator 7 and is arranged at the top of the first reflection cup 4, so that the light rays emitted by the first light source 2 and the second light source 3 are fully reflected and then emitted by the lampshade 5, and the light emitting uniformity is further improved.
In order to facilitate the assembly of the lamp, the second reflective cup 8 may be further formed on the heat sink 7, specifically, a reflective film disposed on an inner wall of the heat sink 7.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A lighting device is characterized by comprising a lamp shell, a first light source, a second light source, a first reflecting cup and a lamp shade, wherein the first light source, the second light source and the first reflecting cup are arranged in the lamp shell;
at least one cup cavity is arranged in the first reflecting cup, the first light source and the second light source are arranged in each cup cavity, and the distances from the first light source and the second light source in the same cup cavity to the central axis of the cup cavity are different;
the light rays emitted by the first light source and the second light source are reflected by the first reflecting cup and then emitted out of the lampshade.
2. The illumination device of claim 1, wherein a first cup cavity and a second cup cavity are disposed within the first reflector cup, the first cup cavity being disposed coaxially with the lamp housing, the second cup cavity being disposed in a circumferential array of the first cup cavity.
3. The illumination device of claim 1, further comprising a second reflector cup having a third cup cavity disposed therein, the third cup cavity completely covering all cup cavities of the first reflector cup.
4. A lighting device as recited in claim 3, wherein said second reflector cup is disposed on top of said first reflector cup.
5. A lighting device as recited in claim 3, further comprising a heat sink disposed within said lamp envelope, said second reflector cup being formed on said heat sink.
6. The illumination device of claim 3, wherein the first reflector cup and the second reflector cup each have a diameter that gradually increases toward an end near the lamp housing.
7. The illumination device of claim 1, wherein the first light source is centrally disposed in the cup cavity and the second light source is disposed off-center from the central axis of the cup cavity.
8. The illumination device of claim 1, wherein the second light source is disposed in a circumferential array of the first light source.
9. A lighting device as recited in claim 1, wherein said first reflector cup has a cup cavity formed therein, said first reflector cup being disposed in said lamp housing in a circumferential array along a central axis of said lamp housing.
10. A lighting device as recited in claim 1, wherein said first light source and said second light source are each connected to different power supply circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221068478.4U CN217714597U (en) | 2022-04-29 | 2022-04-29 | Lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221068478.4U CN217714597U (en) | 2022-04-29 | 2022-04-29 | Lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217714597U true CN217714597U (en) | 2022-11-01 |
Family
ID=83792254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221068478.4U Active CN217714597U (en) | 2022-04-29 | 2022-04-29 | Lighting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217714597U (en) |
-
2022
- 2022-04-29 CN CN202221068478.4U patent/CN217714597U/en active Active
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