CN220436306U

CN220436306U - Thick-wall piece with high space utilization

Info

Publication number: CN220436306U
Application number: CN202321909337.5U
Authority: CN
Inventors: 徐岩修; 刘馨雨
Original assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Current assignee: Changzhou Xingyu Automotive Lighting Systems Co Ltd
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-02-02
Anticipated expiration: 2033-07-19

Abstract

The utility model relates to the technical field of car lamps, in particular to a thick-wall member with high space utilization rate, which comprises a light inlet end, a total reflection surface and a light outlet surface, wherein the light inlet end is arranged on one side of the total reflection surface, the total reflection surface and the light outlet surface are oppositely arranged, an LED light source is arranged at a focus of the light inlet end, and light rays emitted by the LED light source are emitted to the total reflection surface through the light inlet end and are emitted to the light outlet surface through total reflection of the total reflection surface. The thick-wall member with high space utilization rate has extremely narrow shape, high system light efficiency and uniform lighting, and can realize dynamic running water.

Description

Thick-wall piece with high space utilization

Technical Field

The utility model relates to the technical field of car lamps, in particular to a thick-wall part with high space utilization rate.

Background

With the rapid development of automobile lamp technology, users pursue gradual diversification of lamp modeling, and attractive degree is also an important consideration, so that the simplified appearance is also the development direction of each host factory, extremely narrow light outlets and modeling spaces are the difficulties to overcome in the technical field of automobiles, and the main current scheme is mostly thick-wall parts, reflectors or light guides.

In the traditional project, the upper and lower width of a light outlet of an optical scheme in the form of a thick-wall piece and a reflecting mirror is limited by light efficiency, space and the like, and the optical scheme cannot be extremely narrow, efficient and uniform. The light guide forms have narrow upper and lower light outlets, but cannot realize the dynamic flow effect.

Disclosure of Invention

The utility model aims to solve the technical problems that: in order to solve the technical problems that the scheme of the light outlet of the rear wall piece and the reflecting mirror in the prior art cannot meet the space requirement and the scheme of the light outlet of the light guide cannot realize the dynamic water flowing effect. The utility model provides a thick-wall member with high space utilization, which has extremely narrow shape, high system light efficiency and uniform lighting, and can realize dynamic running water. The technical scheme adopted for solving the technical problems is as follows: a high space utilization thick wall member comprising:

the light source comprises a light inlet end, a total reflection surface and a light outlet surface, wherein the light inlet end is arranged on one side of the total reflection surface, the total reflection surface and the light outlet surface are oppositely arranged, an LED light source is arranged at the focus of the light inlet end, and light rays emitted by the LED light source are emitted onto the total reflection surface through the light inlet end and are emitted to the light outlet surface through total reflection of the total reflection surface.

Further, the height h1 of the light incident end is between 0.5 and 5.0mm, and the height h2 of the light emergent surface is between 4 and 6 mm.

Further, the number of the light incident ends is multiple, the number of the total reflection surfaces is multiple, the multiple light incident ends and the multiple total reflection surfaces are in one-to-one correspondence, and the left side and the right side of any total reflection surface are respectively provided with a first side wall surface and a second side wall surface.

Further, the total reflection surface and the light incident plane form an included angle of 40-50 degrees, and the total reflection surface and the light emergent plane form an included angle of 40-50 degrees.

Further, the first side wall surface and the second side wall surface are respectively arranged at the left side and the right side of the corresponding emergent light, and respectively form an included angle of 8-20 degrees with the emergent light.

Further, the first side wall surface and the second side wall surface are cambered surfaces.

Further, the first side wall surface and the second side wall surface are both step surfaces.

Further, vertical stripes distributed left and right are arranged on the total reflection surface.

Further, the light-emitting surface is provided with patterns.

Further, the LED light source is white, red or yellow in color.

Further, the material of the thick-wall member is transparent PMMA or PC.

The thick-wall member with high space utilization rate has the advantages that the longitudinal heights of the total reflection surface and the light emitting surface are reduced, so that the longitudinal height of the system is narrow, the adaptability is high, the lighting of the lamp is uniform and efficient by arranging the first side wall surface and the second side wall surface, the lighting sequence of the LED light sources is controlled by arranging a plurality of light inlet ends to be matched with a plurality of LED light sources, the dynamic running water lighting is realized, and the whole structure is simple and elegant.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a front view of a high space utilization thick-walled member of the present utility model;

FIG. 2 is a rear view of the high space utilization thick-walled member of the present utility model;

FIG. 3 is a schematic view of the light-in end of the high space utilization thick-wall piece of the present utility model;

fig. 4 is a schematic view of the optical path of the high space utilization thick-walled member of the present utility model.

Reference numerals:

1. a light inlet end; 2. a total reflection surface; 3. a light-emitting surface; 4. a first sidewall surface; 5. and a second sidewall surface.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 4, which are preferred embodiments of the present utility model, a high space utilization thick wall member comprises: an light incident end 1, a total reflection surface 2 and a light emergent surface 3.

The light inlet end 1 is arranged on one side of the total reflection surface 2, the total reflection surface 2 and the light outlet surface 3 are oppositely arranged, an LED light source is arranged at the focus of the light inlet end 1, light rays emitted by the LED light source are emitted onto the total reflection surface 2 through the light inlet end 1, are totally reflected to the light outlet surface 3 through the total reflection surface 2 and are emitted out, the height h1 of the light inlet end 1 is 0.5-5.0mm, preferably 1.5-3mm, the height h2 of the light outlet surface 3 is 4-6mm, and the light inlet end is particularly suitable for modeling of a car lamp with limited longitudinal space.

The light entering end of the light entering end 1 of the LED light source enters and exits from the light exiting surface 3 through the total reflection surface 2 of the system, and the whole structure system is narrow in height up and down and suitable for the structure modeling with limited up and down space.

The light incidence ends 1 are multiple, the total reflection surfaces 2 are multiple, the multiple light incidence ends 1 and the multiple total reflection surfaces 2 are in one-to-one correspondence, and the left side and the right side of any total reflection surface 2 are respectively provided with a first side wall surface 4 and a second side wall surface 5. The light-in end 1 is formed by rotating a stub with a collimation function element, which can be a condenser stub, as shown in fig. 3.

The included angle between the total reflection surface 2 and the light incident plane is 40-50 degrees, preferably 45 degrees, and the included angle between the total reflection surface 2 and the light emergent plane is 40-50 degrees, preferably 45 degrees, so that the emergent light rays are more efficient.

The first side wall surface 4 and the second side wall surface 5 are respectively arranged at the left side and the right side of the corresponding emergent light ray, and form an included angle of 8-20 degrees with the emergent light ray, preferably 15 degrees, so that emergent light is more uniform, a gradual change angle can be formed, and the first side wall surface 4 and the second side wall surface 5 are cambered surfaces. Alternatively, the first side wall surface 4 and the second side wall surface 5 are both stepped surfaces. The dermatoglyph structure can be added at the side wall according to practical requirements, so that the lighting uniformity is further improved.

The total reflection surface 2 is provided with vertical stripes distributed left and right. The vertical stripes are arranged left and right, so that the uniformity of left and right light emission can be improved, and the vertical stripes can be arranged according to the light emission requirement, so that the uniformity of the upper and lower light emission can be improved.

In order to increase the uniformity of the light, the light-emitting surface 3 is provided with a pattern.

The LED light source is white, red or yellow, and the material of the thick-wall member is transparent PMMA or PC.

The thick-wall member with high space utilization ratio reduces the longitudinal heights of the total reflection surface and the light emitting surface, so that the longitudinal height of the system is narrow, the longitudinal height of the whole system is half of that of a traditional majority mode, the space is saved, the adaptability is high, the lighting of the lamp is uniform and efficient by arranging the first side wall surface and the second side wall surface, the lighting sequence of the LED light sources is controlled by arranging a plurality of light inlet ends to be matched with a plurality of LED light sources, the dynamic running water lighting is realized, the whole structure is simple and elegant, and the thick-wall member is not limited to be used for the functions of position, braking or steering lamps.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined as the scope of the claims.

Claims

1. A high space utilization thick wall member comprising:

the light incident end (1), the total reflection surface (2) and the light emergent surface (3), wherein the light incident end (1) is arranged on one side of the total reflection surface (2), the total reflection surface (2) and the light emergent surface (3) are oppositely arranged, an LED light source is arranged at the focus of the light incident end (1), and light rays emitted by the LED light source are emitted onto the total reflection surface (2) through the light incident end (1) and are emitted to the light emergent surface (3) through total reflection of the total reflection surface (2);

the light incidence ends (1) are multiple, the total reflection surfaces (2) are multiple, the multiple light incidence ends (1) and the multiple total reflection surfaces (2) are in one-to-one correspondence, and the left side and the right side of any total reflection surface (2) are respectively provided with a first side wall surface (4) and a second side wall surface (5).

2. A high space utilization thick-walled component according to claim 1 characterized in that the height h1 of the light entrance end (1) is between 0.5 and 5.0mm and the height h2 of the light exit surface (3) is between 4 and 6 mm.

3. The high space utilization thick-walled component according to claim 1 characterized in that the total reflection surface (2) and the light entrance plane are 40-50 ^° Included angle, the total reflection surface (2) and the light emergent plane are 40-50 ^° And an included angle.

4. A high space utilization thick-walled component according to claim 3 characterized in that the first side wall surface (4) and the second side wall surface (5) are respectively arranged on the left and right sides of the corresponding outgoing light ray and form an angle of 8-20 ° with the outgoing light ray.

5. The high space-utilization thick-walled component according to claim 4 wherein the first side wall (4) and the second side wall (5) are cambered surfaces.

6. The high-space-utilization thick-walled component according to claim 4, characterized in that the first side wall surface (4) and the second side wall surface (5) are stepped surfaces.

7. The high-space-utilization thick-wall element according to claim 1, characterized in that the total reflection surface (2) is provided with vertical stripes distributed left and right.

8. A high space utilization thick-walled member according to claim 1 wherein the light exit surface (3) is patterned.

9. The high space utilization thick-wall component of claim 1 wherein said LED light source is white, red or yellow in color.