CN220523935U - Car light optical structure - Google Patents
Car light optical structure Download PDFInfo
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- CN220523935U CN220523935U CN202321797343.6U CN202321797343U CN220523935U CN 220523935 U CN220523935 U CN 220523935U CN 202321797343 U CN202321797343 U CN 202321797343U CN 220523935 U CN220523935 U CN 220523935U
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- wall member
- total reflection
- reflection surface
- wall
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- 230000003287 optical effect Effects 0.000 title claims abstract description 23
- 230000007704 transition Effects 0.000 claims description 3
- 238000009792 diffusion process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a car light optical structure which comprises an LED light source and a thick-wall member, wherein one end of the thick-wall member is a condenser arranged corresponding to the LED light source, the other end of the thick-wall member is a light emitting end, a total reflection surface is arranged at a corner of the thick-wall member, and the total reflection surface on the thick-wall member is an arc total reflection surface. The optical structure of the car lamp is reasonable in design, the total reflection surface is designed into an arc reflection surface, light emitted by the LED light sources is converged and widened after being outwards expanded, so that a single LED can have a wider light emitting surface, the LED spacing can be increased, the number of light sources is reduced, and the control of the cost is facilitated.
Description
Technical Field
The utility model relates to the technical field of car lamps, in particular to a car lamp optical structure.
Background
Along with the aging of the LED light source technology development, the LED gradually replaces a common light source to become a first-choice light source of the car lamp; the combined design of the position arrangement of the LED light sources and the optical system can better meet the requirements of customers, and meanwhile, the cost of the car lamp can be effectively controlled under certain conditions.
For the light-emitting mode of the car light thick-wall part, the existing optical structure is as follows: the light source is aligned with the condenser at the bottom of the thick-wall member, the light emitted by the light source is reflected to the diffusion surface of the thick-wall member through the total reflection plane of the thick-wall member and is emitted, and the reflected light is collimated light at the moment and is only reflected linearly towards the light emitting direction; the defects are that: the single LED has the advantages of narrow light emitting surface, low current utilization rate, small LED spacing and large number of light sources needing to be arranged.
The thick-wall piece utilizing grating total reflection disclosed in Chinese patent CN216591518U comprises a front thick-wall piece and a rear thick-wall piece, wherein a condenser and a total reflection structure are arranged at the left end of the front thick-wall piece, a front light-emitting surface and a rear light-entering surface are respectively arranged at the opposite ends of the front thick-wall piece and the rear thick-wall piece, and a rear light-emitting surface is arranged at the right end of the rear thick-wall piece; the total reflection structure is an inclined plane, and the light emitting surface of a single LED is narrow.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide a car lamp optical structure so as to achieve the aim of wide light emitting surface of a single LED.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the car light optical structure comprises an LED light source and a thick-wall member, wherein one end of the thick-wall member is a condenser corresponding to the LED light source, the other end of the thick-wall member is a light-emitting end, a total reflection surface is arranged at the corner of the thick-wall member, and the total reflection surface on the thick-wall member is an arc total reflection surface.
Further:
the total reflection surface is an outwards convex arc surface.
The structure of the condenser corresponding to the total reflection surface is an arc-shaped structure.
The light-emitting end of the thick-wall piece is provided with a pattern surface.
The arc total reflection surface is provided with a pattern structure.
The thick-wall member comprises an inner thick-wall member and an outer thick-wall member which are integrated, the condenser is arranged at the end part of the inner thick-wall member, the arc total reflection surface is arranged at the transition part of the inner thick-wall member and the outer thick-wall member, and the light emitting end is arranged at the end part of the outer thick-wall member.
The thickness of the outer thick-wall piece is greater than that of the inner thick-wall piece.
Compared with the prior art, the utility model has the following advantages:
the optical structure of the car lamp is reasonable in design, the total reflection surface is designed into an arc reflection surface, light emitted by the LED light sources is converged and widened after being outwards expanded, so that a single LED can have a wider light emitting surface, the LED spacing can be increased, the number of light sources is reduced, and the control of the cost is facilitated.
Drawings
The contents and the marks in the drawings expressed in the drawings of the present specification are briefly described as follows:
FIG. 1 is a schematic view of an optical structure of the present utility model.
FIG. 2 is a schematic diagram of a second optical structure according to the present utility model.
FIG. 3 is a schematic diagram of an optical structure according to the present utility model.
In the figure:
a. an inner thick-wall member, b.an outer thick-wall member, a 1.LED light source, a 2. Condenser, and a 3. Total reflection surface.
Detailed Description
The following description of the embodiments of the present utility model refers to the accompanying drawings, which illustrate in further detail.
As shown in fig. 1 to 3, the optical structure of the car lamp comprises an LED light source 1 and a thick-wall member, wherein one end of the thick-wall member is a condenser 2 corresponding to the LED light source, the other end of the thick-wall member is a light emitting end, a total reflection surface 3 is arranged at a corner of the thick-wall member, and the total reflection surface on the thick-wall member is an arc total reflection surface.
According to the utility model, the total reflection surface is designed into an arc reflection surface, and the light emitted by the LED light sources is converged and widened after being outwards expanded, so that a single LED can have a wider light emitting surface, the LED spacing can be increased, the number of light sources is reduced, and the cost is favorably controlled.
The total reflection surface is an outwards convex arc surface, and the structure of the condenser corresponding to the total reflection surface is an arc structure; and the light emitted by the LED light source is converged and widened after being outwards expanded.
Further, the light-emitting end of the thick-wall piece is provided with a pattern surface, and the arc total reflection surface is also provided with a pattern structure; improving the homogenization effect of the light source.
The thick-wall member comprises an inner thick-wall member a and an outer thick-wall member b which are integrated, the condenser is arranged at the end part of the inner thick-wall member, the arc total reflection surface is arranged at the transition part of the inner thick-wall member and the outer thick-wall member, the light emitting end is arranged at the end part of the outer thick-wall member, and the light emitting end is integrally arranged, so that the cost is low; the thickness of the outer thick-wall part is larger than that of the inner thick-wall part, so that the light emitting uniformity is improved.
One side of the thick-wall member is an optical surface, the other side of the thick-wall member is a diffusion pattern surface, the optical surface is formed by arranging a total reflection surface and a light transmission surface at intervals, an LED light source is aligned with a bottom condenser of the inner thick-wall member, light emitted by the light source is reflected to the diffusion pattern surface on the inner thick-wall member to exit through the total reflection surface on the inner thick-wall member, and the exiting light is reflected to the diffusion pattern surface on the outer thick-wall member to complete exiting through the total reflection surface on the outer thick-wall member.
The light emitted by the LED light source is converged and widened after being outwards expanded in one direction, the outwards expanded light is straightened through an optimized arc-shaped total reflection surface, patterns are added on the arc surface to enable the light to be more uniform, and the purpose is that a single LED can have a wider light-emitting surface; light in the other direction is relatively collimated and does not spread.
The foregoing description is only illustrative of the preferred embodiments of the present utility model, and the above-described technical features may be arbitrarily combined to form a plurality of embodiments of the present utility model.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied to other applications without any modification, as long as the inventive concept and technical scheme are adopted.
Claims (7)
1. The utility model provides a car light optical structure, includes LED light source and thick wall spare, the one end of thick wall spare is the spotlight ware that corresponds the LED light source setting, and the other end of thick wall spare is the light-emitting end, and the corner of thick wall spare is equipped with the total reflection face, its characterized in that: the total reflection surface on the thick-wall part is an arc total reflection surface.
2. The vehicle light optical structure of claim 1, wherein: the total reflection surface is an outwards convex arc surface.
3. The vehicle light optical structure of claim 1, wherein: the structure of the condenser corresponding to the total reflection surface is an arc-shaped structure.
4. The vehicle light optical structure of claim 1, wherein: the light-emitting end of the thick-wall piece is provided with a pattern surface.
5. The vehicle light optical structure of claim 1, wherein: the arc total reflection surface is provided with a pattern structure.
6. The vehicle light optical structure of claim 1, wherein: the thick-wall member comprises an inner thick-wall member and an outer thick-wall member which are integrated, the condenser is arranged at the end part of the inner thick-wall member, the arc total reflection surface is arranged at the transition part of the inner thick-wall member and the outer thick-wall member, and the light emitting end is arranged at the end part of the outer thick-wall member.
7. The lamp optical structure of claim 6, wherein: the thickness of the outer thick-wall piece is greater than that of the inner thick-wall piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321797343.6U CN220523935U (en) | 2023-07-10 | 2023-07-10 | Car light optical structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321797343.6U CN220523935U (en) | 2023-07-10 | 2023-07-10 | Car light optical structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220523935U true CN220523935U (en) | 2024-02-23 |
Family
ID=89932733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321797343.6U Active CN220523935U (en) | 2023-07-10 | 2023-07-10 | Car light optical structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220523935U (en) |
-
2023
- 2023-07-10 CN CN202321797343.6U patent/CN220523935U/en active Active
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