CN219222191U - Optical assembly and lamp - Google Patents
Optical assembly and lamp Download PDFInfo
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- CN219222191U CN219222191U CN202223540951.7U CN202223540951U CN219222191U CN 219222191 U CN219222191 U CN 219222191U CN 202223540951 U CN202223540951 U CN 202223540951U CN 219222191 U CN219222191 U CN 219222191U
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- reflecting cup
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Abstract
The utility model provides an optical assembly and a lamp, wherein the optical assembly comprises a lens, a first reflecting cup, an optical plate and a second reflecting cup, the lens, the first reflecting cup and the second reflecting cup are coaxially arranged, the lens is arranged at a light inlet of the first reflecting cup, a light inlet of the second reflecting cup is arranged at a light outlet of the first reflecting cup, and the optical plate is arranged between the first reflecting cup and the second reflecting cup. Compared with the prior art, the dual-reflection cup is arranged and the light mixing is carried out through the optical plate, so that the color mixing is uniform, and the RGBW color separation phenomenon is avoided.
Description
Technical Field
The utility model relates to an optical assembly and a lamp, and belongs to the technical field of illumination.
Background
The existing lamp is generally provided with a reflecting cup or a light mixing plate for mixing light, so that light rays are more uniform, but the reflecting cup is difficult to control the light rays, and uneven color mixing and RGBW color separation phenomena are easily caused.
In view of the foregoing, it is necessary to provide an optical assembly and a lamp for solving the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide an optical assembly and a lamp, which can enhance the light mixing effect.
In order to achieve the above object, the present utility model provides an optical assembly, which includes a lens, a first reflective cup, an optical plate, and a second reflective cup, wherein the lens, the first reflective cup, and the second reflective cup are coaxially disposed, the lens is disposed at a light inlet of the first reflective cup, a light inlet of the second reflective cup is disposed at a light outlet of the first reflective cup, and the optical plate is disposed between the first reflective cup and the second reflective cup.
As a further improvement of the present utility model, the lens includes a first light incident surface, a second light incident surface, and a third light incident surface, where the first light incident surface, the second light incident surface, and the third light incident surface are formed on a side of the lens facing away from the first reflective cup, and the first light incident surface and the second light incident surface are symmetrically disposed, and the third light incident surface is disposed between the first light incident surface and the second light incident surface.
As a further improvement of the present utility model, the lens includes a first light-emitting surface, a second light-emitting surface, a third light-emitting surface, a fourth light-emitting surface, and a fifth light-emitting surface, where the first light-emitting surface is opposite to the first light-entering surface, the second light-emitting surface is opposite to the second light-entering surface, and the first light-emitting surface and the second light-emitting surface are opposite to each other, the third light-emitting surface is opposite to the third light-entering surface, and the cross section of the third light-emitting surface is v-shaped, and the fourth light-emitting surface and the fifth light-emitting surface are respectively connected to the first light-emitting surface and the second light-emitting surface, and the third light-emitting surface is disposed between the fourth light-emitting surface and the fifth light-emitting surface.
As a further improvement of the utility model, the optical plate is also provided with a first microstructure, the first microstructure is arranged on one side of the second reflecting cup, and the first microstructure comprises a plurality of closely-paved bulges.
As a further improvement of the utility model, the reflecting surface of the first reflecting cup is also provided with a second microstructure, and the second microstructure comprises a plurality of square bulges arranged in an array.
As a further development of the utility model, the outer side of the first reflector cup is also provided with v-shaped ribs.
As a further improvement of the utility model, the cross-sectional area of the light inlet of the second reflecting cup is the same as the cross-sectional area of the light outlet of the first reflecting cup.
As a further improvement of the utility model, the opening angle of the second reflecting cup is larger than the opening angle of the first reflecting cup.
To achieve the above object, the present utility model provides a lamp comprising an optical assembly as described above.
As a further improvement of the utility model, the lamp also comprises a lamp body and a light source module arranged in the lamp body, wherein the light source module is arranged at the light inlet of the lens.
The beneficial effects of the utility model are as follows: according to the utility model, the double reflection cups are arranged and light mixing is carried out through the optical plate, so that the mixed light is uniform, and the RGBW color separation phenomenon is avoided.
Drawings
Fig. 1 is a schematic cross-sectional structure of a lamp of the present utility model.
Fig. 2 is a schematic cross-sectional view of the lamp of the present utility model.
Fig. 3 is a schematic cross-sectional view of a lens in a lamp of the present utility model.
Fig. 4 is a schematic structural view of an optical plate in the lamp of the present utility model.
Fig. 5 is a schematic structural view of a first reflecting cup in the lamp of the present utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.
In this case, in order to avoid obscuring the present utility model due to unnecessary details, only the structures and/or processing steps closely related to the aspects of the present utility model are shown in the drawings, and other details not greatly related to the present utility model are omitted.
In addition, it should be further noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
As shown in fig. 1 to 5, the present utility model discloses a lamp 100, preferably a down lamp, where the lamp 100 is provided with a plurality of optical structures for mixing light. For clarity of description, the following description will take the luminaire 100 as an example.
As shown in fig. 1, the lamp 100 includes a lamp body 10, a light source module and an optical assembly 20, wherein the lamp body 10 is cylindrical, the light source module and the optical assembly 20 are both disposed in the lamp body 10, and the light source module is disposed at a light inlet of the optical assembly 20, so that light emitted by the light source module is emitted through the optical assembly 20. The light source module comprises a light source plate and a light source arranged on the light source plate, and the light source can be a single lamp bead.
As shown in fig. 2, the optical assembly 20 includes a lens 21, a first reflecting cup 22, an optical plate 23 and a second reflecting cup 24, where the lens 21, the first reflecting cup 22, the optical plate 23 and the second reflecting cup 24 are sequentially disposed, and the lens 21, the first reflecting cup 22 and the second reflecting cup 24 are coaxially disposed, and the lens 21 is disposed near the light source module, and the first reflecting cup 22 and the second reflecting cup 24 are both in a horn shape.
The lens 21 is disposed at the light inlet of the first reflecting cup 22, and the diameter of the lens 21 is the same as the diameter of the light inlet of the first reflecting cup 22. Of course, the lens 21 may be integrally provided with the first reflecting cup 22, and is not particularly limited.
As shown in fig. 3, specifically, the lens 21 includes a first light incident surface 211, a second light incident surface 212, and a third light incident surface 213, where the first light incident surface 211, the second light incident surface 212, and the third light incident surface 213 are formed on a side of the lens 21 facing away from the first reflective cup 22, that is, on a side facing the light source module, and the first light incident surface 211 and the second light incident surface 212 are symmetrically disposed, the third light incident surface 213 is disposed between the first light incident surface 211 and the second light incident surface 212, and the first light incident surface 211, the second light incident surface 212, and the third light incident surface 213 together enclose a light incident cavity, and the light source is disposed in the light incident cavity. In addition, the third light incident surface 213 is curved in cross section and protrudes toward the light source, so as to reduce the light emitted from the center of the light source.
The side of the lens 21 facing the first reflecting cup 22 further includes a first light-emitting surface 214, a second light-emitting surface 215, a third light-emitting surface 216, a fourth light-emitting surface 217 and a fifth light-emitting surface 218, wherein the first light-emitting surface 214 is opposite to the first light-entering surface 211, the second light-emitting surface 215 is opposite to the second light-entering surface 212, the first light-emitting surface 214 and the second light-emitting surface 215 are opposite to each other, the third light-emitting surface 216 is opposite to the third light-entering surface 213, the cross section of the third light-emitting surface 216 is v-shaped and is concave towards the third light-entering surface 213, the fourth light-emitting surface 217 and the fifth light-emitting surface 218 are respectively connected with the first light-emitting surface 214 and the second light-emitting surface 215, and the third light-emitting surface 216 is disposed between the fourth light-emitting surface 217 and the fifth light-emitting surface 218, so that the light passing through the lens 21 can be folded to two sides by the lens 21, and the light is more uniform.
The light inlet of the second reflecting cup 24 is arranged at the light outlet of the first reflecting cup 22, and the optical plate 23 is arranged between the first reflecting cup 22 and the second reflecting cup 24. The light emitted by the light source passes through the lens 21, then sequentially passes through the first reflection cup 22, then passes through the optical plate 23, and then is reflected by the second reflection cup 24 and then is emitted.
As shown in fig. 4, preferably, the optical plate 23 is further provided with a first microstructure 231, where the first microstructure 231 is disposed on one side of the second reflecting cup 24, and the first microstructure 231 includes a plurality of closely-spaced protrusions, and an area where the first microstructure 231 is located is circular and has a radius equal to a radius of the light outlet of the first reflecting cup 22, and is also equal to a radius of the light inlet of the second reflecting cup 24, that is, a cross-sectional area of the light inlet of the second reflecting cup 24 is the same as a cross-sectional area of the light outlet of the first reflecting cup 22, and the first microstructure 231 is used for enhancing the light mixing effect.
In addition, the opening angle of the second reflecting cup 24 is larger than the opening angle of the first reflecting cup 22, that is, the ratio of the cross-sectional area of the light outlet of the second reflecting cup 24 to the cross-sectional area of the light inlet of the second reflecting cup 24 is larger than the ratio of the cross-sectional area of the light outlet of the first reflecting cup to the cross-sectional area of the light inlet of the first reflecting cup 22.
As shown in fig. 5, the reflecting surface of the first reflecting cup 22 is further provided with a second microstructure 221, the second microstructure 221 includes a plurality of square protrusions arranged in an array, and the second microstructure 221 makes the light in the first reflecting cup 22 more uniform. In addition, the outer side of the first reflecting cup 22 is also provided with v-shaped ribs 222.
In summary, the present utility model mixes light through the optical plate 23 by providing the dual reflective cups, so that the color mixture is uniform and the RGBW color separation phenomenon is avoided.
The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.
Claims (10)
1. An optical assembly, characterized by: including lens (21), first reflection cup (22), optical plate (23) and second reflection cup (24), lens (21) first reflection cup (22) with second reflection cup (24) coaxial setting, just lens (21) set up the light inlet department of first reflection cup (22), the light inlet setting of second reflection cup (24) is in the light outlet department of first reflection cup (22), optical plate (23) set up first reflection cup (22) with between second reflection cup (24).
2. An optical assembly as claimed in claim 1, wherein: the lens (21) comprises a first light incident surface (211), a second light incident surface (212) and a third light incident surface (213), the first light incident surface (211), the second light incident surface (212) and the third light incident surface (213) are formed on one side, opposite to the first reflecting cup (22), of the lens (21), the first light incident surface (211) and the second light incident surface (212) are symmetrically arranged, and the third light incident surface (213) is arranged between the first light incident surface (211) and the second light incident surface (212).
3. An optical assembly as claimed in claim 2, wherein: the lens (21) comprises a first light-emitting surface (214), a second light-emitting surface (215), a third light-emitting surface (216), a fourth light-emitting surface (217) and a fifth light-emitting surface (218), wherein the first light-emitting surface (214) is opposite to the first light-emitting surface (211), the second light-emitting surface (215) is opposite to the second light-emitting surface (212), the first light-emitting surface (214) and the second light-emitting surface (215) are opposite to each other, the third light-emitting surface (216) is opposite to the third light-emitting surface (213), the cross section of the third light-emitting surface (216) is v-shaped, the fourth light-emitting surface (217) and the fifth light-emitting surface (218) are respectively connected with the first light-emitting surface (214) and the second light-emitting surface (215), and the third light-emitting surface (216) is arranged between the fourth light-emitting surface (217) and the fifth light-emitting surface (218).
4. An optical assembly as claimed in claim 1, wherein: the optical plate (23) is further provided with a first microstructure (231), the first microstructure (231) is arranged on one side of the second reflecting cup (24), and the first microstructure (231) comprises a plurality of closely-paved protrusions.
5. An optical assembly as claimed in claim 1, wherein: the reflecting surface of the first reflecting cup (22) is also provided with a second microstructure (221), and the second microstructure (221) comprises a plurality of square protrusions arranged in an array.
6. An optical assembly as claimed in claim 1, wherein: the outer side of the first reflecting cup (22) is also provided with a v-shaped edge (222).
7. An optical assembly as claimed in claim 1, wherein: the cross-sectional area of the light inlet of the second reflecting cup (24) is the same as the cross-sectional area of the light outlet of the first reflecting cup (22).
8. An optical assembly as claimed in claim 1, wherein: the opening angle of the second reflecting cup (24) is larger than the opening angle of the first reflecting cup (22).
9. A lamp, characterized in that: an optical assembly (20) comprising any of claims 1-8.
10. A light fixture as recited in claim 9, wherein: the lamp (100) further comprises a lamp body (10) and a light source module arranged in the lamp body (10), and the light source module is arranged at the light inlet of the lens (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223540951.7U CN219222191U (en) | 2022-12-29 | 2022-12-29 | Optical assembly and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223540951.7U CN219222191U (en) | 2022-12-29 | 2022-12-29 | Optical assembly and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219222191U true CN219222191U (en) | 2023-06-20 |
Family
ID=86745540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223540951.7U Active CN219222191U (en) | 2022-12-29 | 2022-12-29 | Optical assembly and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219222191U (en) |
-
2022
- 2022-12-29 CN CN202223540951.7U patent/CN219222191U/en active Active
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