CN216844501U - Reflection type lamp with uniform lighting and automobile - Google Patents
Reflection type lamp with uniform lighting and automobile Download PDFInfo
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- CN216844501U CN216844501U CN202122935492.1U CN202122935492U CN216844501U CN 216844501 U CN216844501 U CN 216844501U CN 202122935492 U CN202122935492 U CN 202122935492U CN 216844501 U CN216844501 U CN 216844501U
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Abstract
The utility model provides a reflection type lamp and an automobile with uniform lighting, which comprise a light ray emergent surface, a light emitting circuit board, a reflector and an auxiliary reflecting surface, wherein the light emitting circuit board is arranged on the light ray emergent surface; the light emergent surface comprises an eyebrow area positioned on the upper side and an eye area positioned on the lower side; the light-emitting circuit board is provided with a light-emitting light source; the reflector is arranged on the rear side of the light-emitting source and used for reflecting the light emitted by the light-emitting source to the eyebrow area, the eye area and the auxiliary reflecting surface so as to project the light through the eyebrow area and the eye area; and the auxiliary reflecting surface is arranged at the front side of the light-emitting light source and is used for reflecting the light reflected to the auxiliary reflecting surface by the reflector to the upper end part of the reflector so that the reflector can project the part of light through the eyebrow area. The utility model can effectively and accurately control the emergence of light rays on the premise of not increasing the cost, and has good effect on optimizing the lighting uniformity.
Description
Technical Field
The utility model relates to an automobile lamp, in particular to a reflection-type lamp with uniform lighting and an automobile.
Background
With the rapid development of the automobile industry and the progress of human civilization, people put higher and higher requirements on the aspects of attractive appearance and economy of automobiles. The vehicle lamp is an important component of an automobile, and the requirements of the vehicle lamp are certainly no exception, so that the vehicle lamp not only meets the requirement of attractive appearance, but also meets the light distribution regulations, has uniform lighting effect, and also has low cost.
It is a subject of considerable research on how to maximize the energy efficiency and improve the lighting uniformity of a low-cost lamp.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a reflection type lamp and an automobile, wherein the reflection type lamp is uniformly lighted.
The utility model provides a reflective lamp with uniform lighting, which comprises a light ray emergent surface, a light-emitting circuit board, a reflector and an auxiliary reflecting surface;
the light ray outgoing surface comprises an eyebrow area positioned on the upper side and an eye area positioned on the lower side;
a light-emitting light source is arranged on the light-emitting circuit board;
the reflector is arranged on the rear side of the light-emitting source and used for reflecting the light emitted by the light-emitting source to the eyebrow area, the eye area and the auxiliary reflecting surface so as to project the light through the eyebrow area and the eye area;
The auxiliary reflecting surface is arranged on the front side of the light-emitting light source and used for reflecting light reflected to the auxiliary reflecting surface by the reflector to the upper end part of the reflector, so that the reflector can project the part of light through the eyebrow area.
Preferably, the light-emitting light source is an LED light source.
Preferably, the unilateral exit angle of the light-emitting source is 60 °, and the overall exit angle is 120 °.
Preferably, the mirror is concave;
the concave direction of the reflector is a direction far away from the light-emitting source.
Preferably, the auxiliary reflecting surface is obliquely arranged and can be adjusted and designed according to specific conditions;
one end of the auxiliary reflecting surface is close to the light-emitting source, and the other end of the auxiliary reflecting surface is far away from the light-emitting source.
Preferably, the light-emitting light source is disposed between the reflector and the auxiliary reflecting surface.
Preferably, the light emitting source is disposed between the reflector and a lower end of the auxiliary reflecting surface.
Preferably, an included angle between a lower end light ray emitted by the light emitting source and reflected by the reflector to the auxiliary reflecting surface and an upper end light ray reflected to the auxiliary reflecting surface is greater than or equal to 29 °. This term is merely for the purpose of illustrating the improved utilization of light, and is not limited to a specific number of included angles.
The automobile provided by the utility model comprises the reflection-type lamp which is uniformly lighted.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the auxiliary reflecting surface is arranged in front of the low-cost lamp reflector, so that the light ray outgoing amount of the eyebrow area in the light ray outgoing surface can be increased, the outgoing of light rays can be effectively and accurately controlled on the premise of not increasing the cost, and a good effect of optimizing the lighting uniformity is achieved; the reflecting surface is not only used for primary reflection of light, but also can be used for realizing secondary reflection to realize accurate control, and simultaneously improves the utilization rate of energy.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a cross-sectional view of a prior art reflective lamp;
fig. 2 is a schematic structural diagram of a reflective lamp with uniform lighting in an embodiment of the utility model.
In the figure:
1 is a light-emitting circuit board; 101 is a light emitting source; 2 is an auxiliary reflecting surface; 3 is a reflector; 4 is a light emergent surface; 401 is an eyebrow region; 402 is the eye region.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will aid those skilled in the art in further understanding the present invention, but are not intended to limit the utility model in any manner. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the concept of the utility model. All falling within the scope of the present invention.
In the prior art, low cost light fixtures often use reflective type. The lamp body is used as a reflecting surface to form a low-cost lamp, and the whole lamp can realize the functions of 2-3 signal lamps by using only one circuit board, so that the manufacturing cost of the lamp is greatly saved.
Fig. 1 is a schematic cross-sectional view of a reflective lamp in the prior art, and as shown in fig. 1, three signal lamp functions are realized by using a lamp body as a reflecting surface and a circuit board. But such a solution has significant limitations. Because the LED circuit board is fixed, the LED is far away from the reflecting surface above the lamp, and the emergent energy is little due to the shielding of the shape and the structure.
It can be seen from fig. 1 that the light that can illuminate the upper eyebrow of the lamp is LED light within a range of only 6 °, the single-side exit angle of the LED is 60 °, the overall exit angle is 120 °, that is, only approximately 5% of the light can be used to light the upper eyebrow, which presents a great challenge to the uniformity requirement of the upper eyebrow and the lower eye.
Fig. 2 is a schematic structural view of a reflective lamp with uniform lighting according to an embodiment of the present invention, and as shown in fig. 2, the reflective lamp with uniform lighting according to the present invention includes a light exit surface 4, a light emitting circuit board 1, a reflector 3, and an auxiliary reflection surface 2;
the light exit surface 4 includes an eyebrow region 401 on the upper side and an eye region 402 on the lower side;
the light-emitting circuit board 1 is provided with a light-emitting light source 101;
the reflector 3 is disposed at the rear side of the light source 101, and configured to reflect the light emitted by the light source 101 to the eyebrow area 401, the eye area 402 and the auxiliary reflective surface 2, so as to project the light through the eyebrow area 401 and the eye area 402;
the auxiliary reflecting surface 2 is disposed at a front side of the light emitting source 101, and is configured to reflect the light reflected by the reflector 3 to the auxiliary reflecting surface 2 to an upper end of the reflector 3, so that the reflector 3 can project the part of the light through the eyebrow area 401.
In the embodiment of the present invention, the light emitting source 101 is an LED light source. In general, the single-side emission angle of the light source 101 is 60 °, and the entire emission angle is 120 °.
In the present embodiment, the reflector 3 has a concave shape; the concave direction of the reflector 3 is a direction away from the light-emitting source 101.
In the embodiment of the utility model, the auxiliary reflecting surface 2 is arranged in an inclined manner, and can be adjusted and designed according to specific design, including parameters such as an inclination angle and the turnover diffusion of a reflector;
one end of the auxiliary reflecting surface 2 is close to the light-emitting source 101, and the other end is far away from the light-emitting source 101.
In the embodiment of the present invention, the light emitting source 101 is disposed between the reflector 3 and the auxiliary reflecting surface 2. More specifically, the light-emitting light source 101 is disposed between the reflector 3 and the lower end of the auxiliary reflecting surface 2.
In the embodiment of the present invention, the angle between the auxiliary reflective surface 2 and the light emitting circuit board 1 is 45 °. The included angle between the light emitted by the light emitting source 101 and reflected by the reflector 3 to the lower end of the auxiliary reflecting surface 2 and the light reflected to the upper end of the auxiliary reflecting surface 2 is greater than or equal to 29 degrees.
In the embodiment of the utility model, an optimization scheme for optimizing uniformity and improving energy utilization rate is provided by adding the structural design of another reflecting surface in front of the reflector 3. According to the scheme, the structural design that the reflecting surface is additionally arranged in front of the reflector 3 is adopted, so that the energy below the reflector 3 is ingeniously utilized by secondary reflection and is reused.
As shown in the propagation paths of the light rays 1 and 2 in fig. 2, the energy of the lower 29% of the light rays can be reflected by the additional auxiliary reflecting surface 2, so that the light rays are reflected again to the upper end area of the reflector 3, and the energy is emitted from the upper eyebrows through the reflecting surface.
According to the utility model, the auxiliary reflecting surface 2 is added, so that the energy of the three-time reflection can be effectively utilized, the utilization rate of the energy is improved, and the lighting uniformity at the eyebrow position is optimized.
The secondary reflection through the supplementary plane of reflection 2 that increases realizes the accurate control of energy, with the design of mutually supporting of speculum 3 and supplementary plane of reflection 2, through the height and the angle of adjustment plane of reflection and the diffusion of adjustment plane of reflection, realizes the accurate control of light, has improved the utilization ratio of energy when optimizing the homogeneity of lighting a lamp.
For a low-cost lamp, by adopting the structural design of adding the auxiliary reflecting surface 2, the aim of optimizing lighting uniformity can be fulfilled by accurately controlling light rays without increasing the cost, and meanwhile, the utilization rate of energy is also improved. And a new idea is provided for the optimization of the lighting uniformity.
In the embodiment of the utility model, the automobile provided by the utility model comprises the reflection-type lamp which is uniformly lighted.
According to the utility model, the auxiliary reflecting surface is arranged in front of the low-cost lamp reflector, so that the light ray outgoing amount of the eyebrow area in the light ray outgoing surface can be increased, the outgoing of light rays can be effectively and accurately controlled on the premise of not increasing the cost, and a good effect of optimizing the lighting uniformity is achieved; the reflecting surface is not only used for primary reflection of light, but also can be used for realizing secondary reflection to realize accurate control, and simultaneously improves the utilization rate of energy.
The foregoing description has described specific embodiments of the present invention. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model.
Claims (7)
1. A reflection type lamp with uniform lighting is characterized by comprising a light ray emergent surface, a light emitting circuit board, a reflector and an auxiliary reflecting surface;
the light ray outgoing surface comprises an eyebrow area positioned on the upper side and an eye area positioned on the lower side;
a light-emitting light source is arranged on the light-emitting circuit board;
the reflector is arranged on the rear side of the light-emitting source and used for reflecting the light emitted by the light-emitting source to the eyebrow area, the eye area and the auxiliary reflecting surface so as to project the light through the eyebrow area and the eye area;
The auxiliary reflecting surface is arranged at the front side of the light-emitting light source and is used for reflecting the light reflected to the auxiliary reflecting surface by the reflector to the upper end part of the reflector so that the reflector can project the part of light through the eyebrow area;
the auxiliary reflecting surface is obliquely arranged;
one end of the auxiliary reflecting surface is close to the light-emitting light source, and the other end of the auxiliary reflecting surface is far away from the light-emitting light source;
the light emitting source is disposed between the reflector and the lower end of the auxiliary reflecting surface.
2. The uniformly lit reflective lamp of claim 1 wherein the light emitting source is an LED light source.
3. The uniformly lit reflective lamp of claim 1 wherein the single edge exit angle of the light source is 60 ° and the overall exit angle is 120 °.
4. A uniformly lit reflective lamp as claimed in claim 1 wherein said reflector is concave;
the concave direction of the reflector is far away from the light-emitting source.
5. A uniformly lit reflective lamp as claimed in claim 1, wherein said light source is disposed between said reflector and said auxiliary reflective surface.
6. The uniformly lit reflective lamp as claimed in claim 1, wherein an angle between a lower end light ray emitted from the light source and reflected by the reflector toward the auxiliary reflective surface and an upper end light ray reflected toward the auxiliary reflective surface is equal to or greater than 29 °.
7. An automobile comprising a uniformly lit reflective lamp as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122935492.1U CN216844501U (en) | 2021-11-26 | 2021-11-26 | Reflection type lamp with uniform lighting and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122935492.1U CN216844501U (en) | 2021-11-26 | 2021-11-26 | Reflection type lamp with uniform lighting and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216844501U true CN216844501U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122935492.1U Active CN216844501U (en) | 2021-11-26 | 2021-11-26 | Reflection type lamp with uniform lighting and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216844501U (en) |
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2021
- 2021-11-26 CN CN202122935492.1U patent/CN216844501U/en active Active
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