CN220082892U - Thick wall and automobile fog lamp applying same - Google Patents

Abstract

The utility model relates to the technical field of car lamps and discloses a thick wall and a car fog lamp applying the thick wall; a thick wall comprising: a first part, one side of which is formed as a collimator for receiving light and collimating the light, and the other side is formed as a first light-emitting plane; and a second portion, a side of the second portion, which is close to the first portion, is formed as a light incident plane, and a side of the second portion, which is far from the first portion, is formed as a second light emergent plane; an air layer is reserved between the first light-emitting plane and the light-entering plane; the automobile fog lamp comprises the thick wall, and consists of the following structures: a thick wall as described above; the LED lamp corresponds to the light inlet of the collimator and is used for emitting light rays to the light inlet; and the lamp panel is used for installing the LED lamp. The utility model has the technical effects of reducing the manufacturing cost of a single thick wall, increasing the optical utilization rate, reducing the optical lumen value, reducing the product cost and reducing the heat dissipation space requirement.

Description

Thick wall and automobile fog lamp applying same

Technical Field

The utility model relates to the field of optical components, belongs to the technical field of car lamps, and particularly relates to a thick wall and a car fog lamp applying the thick wall.

Background

The rear fog lamp is used as a signal lamp which is assembled at the rear part of the automobile, and plays a role in warning that the rear automobile keeps a safe distance in severe weather of rain, fog, snow or dust. In the rule GB11554-2008, it is clearly specified that the minimum limit value of the luminous intensity of the rear fog lamp is 150cd between 10 DEG on the left and right sides and 5 DEG on the upper and lower sides of the reference axis through the horizontal H-H line and the vertical V-V line of the reference axis.

The traditional rear fog lamp adopts a transparent internal matching and reflecting mirror (side reflection) mode. This solution, while meeting the regulatory requirements, has its drawbacks: 1. the lamp panel needs to adopt an aluminum plate and a radiator, so that the cost is high; 2. the particle lumen value requirement is large, and the light decay is risky; 3. considering the stacked heat sink, the space requirement is large.

Based on the above problems, the utility model provides a thick wall and an automobile fog lamp using the thick wall, which are used for solving the defects of the prior art.

Disclosure of Invention

The utility model aims to provide a thick wall and an automobile fog lamp using the thick wall so as to solve the problems in the background technology.

In order to solve the technical problems, the utility model provides the following technical scheme:

a thick wall comprising: a first part, one side of which is formed as a collimator for receiving light and collimating the light, and the other side is formed as a first light-emitting plane; and a second portion, a side of the second portion, which is close to the first portion, is formed as a light incident plane, and a side of the second portion, which is far from the first portion, is formed as a second light emergent plane; an air layer is reserved between the first light-emitting plane and the light-entering plane.

The thick wall also comprises a third part which connects one end of the first part with one end of the second part, so that the thick wall is formed into a structure.

The first part, the second part and the third part are integrally injection molded.

And the second light emergent plane is provided with diffusion patterns.

The utility model also provides the following technical scheme:

an automobile fog lamp is composed of the following structures: a thick wall as described above; the LED lamp corresponds to the light inlet of the collimator and is used for emitting light rays to the light inlet; and the lamp panel is used for installing the LED lamp.

An automobile fog lamp, further comprising: the transparent inner part is arranged at one side of the second part far away from the first part; and the outer part is arranged on one side of the transparent inner part far away from the second part.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the thick wall disclosed by the utility model, the thick wall is designed into one part, namely the middle part of the thick wall is concavely arranged, so that the injection molding time of the thick wall is saved, the cost of a single thick wall is reduced, and the technical effects of low cost, light weight and high uniformity are realized;

2. the lamp panel of the automobile fog lamp disclosed by the utility model is prepared from the FR4 lamp panel, so that an aluminum-substituted substrate in a traditional structure is replaced, and the material cost of the lamp panel is reduced; meanwhile, the thick-wall member with a special structure is combined with the LED lamp, so that the use of a radiator can be omitted, the manufacturing cost of the whole lamp is reduced, the internal space of the lamp is fully utilized, and the heat-resistant risk is reduced; effectively solves the regulation problem of the rear fog lamp with wide luminous surface.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic structural view of a conventional rear fog lamp;

FIG. 2 is a schematic diagram of a light decay test of a conventional rear fog lamp;

FIG. 3 is a schematic view of the structure of the thick wall in embodiment 1 of the present utility model;

fig. 4 is a schematic view of the structure of an automobile fog lamp in embodiment 2 of the present utility model;

fig. 5 is a schematic diagram of a view angle simulation for an automobile fog lamp in embodiment 2 of the present utility model.

In the figure:

thick wall 1;

a first part 11, a collimator 111, an optical inlet 112, a first light exit plane 113;

a second portion 12, a light entrance plane 121, a second light exit plane 122, a diffusing pattern 123;

an air layer 13;

a third portion 14;

an LED lamp 2;

a lamp panel 3;

transparent internal matching 4;

and 5, external preparation.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the rule GB11554-2008, it is clearly specified that the minimum limit value of the luminous intensity of the rear fog lamp is 150cd between 10 DEG on the left and right sides and 5 DEG on the upper and lower sides of the reference axis through the horizontal H-H line and the vertical V-V line of the reference axis.

As shown in fig. 1 (which is a schematic structural diagram of a conventional rear fog lamp), a transparent internal-matched+reflecting mirror (side-inverted) mode is adopted by the conventional rear fog lamp. This solution, while meeting the regulatory requirements, has its drawbacks: 1. the lamp panel needs to adopt an aluminum plate and a radiator, so that the cost is high; 2. the particle lumen value requirement is large, and the light decay is at risk (shown by figure 2-a schematic diagram of the light decay test of a traditional rear fog lamp); 3. considering the stacked heat sink, the space requirement is large.

Based on the above, the present utility model provides example 1, specifically a best mode for implementing a thick wall 1, to solve the drawbacks of the prior art.

Specifically, as shown in fig. 3, which is a schematic structural diagram of the thick wall 1, the thick wall 1 includes a first portion 11, one side of the first portion 11 is formed as a collimator 111, in this embodiment, eight collimators 111 are provided for receiving light rays emitted from a light source and collimating the light rays, the other side is formed as a first light emitting plane 113, and the light rays are collimated by the collimator 111 and then emitted through the first light emitting plane 113, so as to improve light efficiency.

Further, as shown in fig. 3, the thick wall 1 further includes a second portion 12, a side of the second portion 12, which is close to the first portion 11, is formed into a light incident plane 121, a side, which is far away from the first portion 11, is formed into a second light emergent plane 122, a diffusion pattern 123 is disposed on the second light emergent plane 122, after light is emitted from the first light emergent plane 113, the light is emitted into the second portion 12 through the light incident plane 121, and then is emitted from the second light emergent plane 122 on the second light emergent plane 122 after being diffused, so as to realize secondary refraction of the light, and the refraction realizes light type calibration, so that the light can be better matched with requirements of a fog lamp, and meanwhile, uniformity is improved.

Further, as shown in fig. 3, an air layer 13 is reserved between the first light emitting plane 113 and the light entering plane 121, and the light passes through the air layer 13 before entering the second portion 12, and the light path is lifted by one refraction, so that a better uniform effect can be achieved at a smaller longitudinal depth.

Further, as shown in fig. 3, the thick wall 1 further includes a third portion 14, the third portion 14 connects one end of the first portion 11 with one end of the second portion 12, so that the thick wall 1 is formed into a structure, and the first portion 11, the second portion 12 and the third portion 14 can be integrally injection molded, so that the thick wall 1 is formed into a part, the middle part of the thick wall 1 is recessed, the injection molding time of the thick wall 1 is saved, the cost of the single thick wall 1 is reduced, and the technical effects of low cost, light weight and high uniformity are achieved.

The utility model also provides an embodiment 2, in particular to an optimal implementation scheme of an automobile fog lamp, which is used for solving the defects of the prior art.

Specifically, as shown in fig. 4, the present automobile fog lamp is a schematic structural diagram, and the present automobile fog lamp is composed of the following structures: one thick wall 1 in example 1; eight LED lamps 2, where the eight LED lamps 2 correspond to the light inlet 112 of the eight collimators 111, and are used to emit light to the light inlet 112; the lamp panel 3 is used for installing the LED lamp 2, and in the embodiment, the lamp panel 3 is prepared from an FR4 lamp panel, so that an aluminum-substituted substrate in a traditional structure is replaced, and the material cost of the lamp panel is reduced; meanwhile, the automobile fog lamp can discard the use of the radiator, reduce the manufacturing cost of the whole lamp, fully utilize the internal space of the lamp and reduce the heat-resistant risk.

Further, as shown in fig. 4, the automobile fog lamp further includes a transparent inner part 4, wherein the transparent inner part 4 is disposed at a side of the second portion 12 away from the first portion 11; the light beam with the wall thickness 1 is sequentially emitted through the transparent inner part 4 and the outer part 5.

The automobile fog lamp provided in this embodiment 2 is simulated for the visual angle by using the optical simulation software Lucidshape, and the result is shown in fig. 5 (which is a schematic diagram for simulating the visual angle of the automobile fog lamp), and the test points in [ -15 °,15 ° ] are all larger than 150cd, which indicates that the requirement of the regulations is satisfied. According to the scheme, after the project amount is finished, the light intensity is detected by using the light distribution machine LMTGO-H1660, and the visible angles are found to meet the requirements within the range of the legal requirements.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. Thick wall (1), characterized in that it comprises:

a first portion (11), one side of the first portion (11) being formed as a collimator (111) for receiving light and collimating the light, the other side being formed as a first light exit plane (113);

and a second portion (12), a side of the second portion (12) close to the first portion (11) being formed as a light-in plane (121), a side remote from the first portion (11) being formed as a second light-out plane (122);

an air layer (13) is reserved between the first light emergent plane (113) and the light incident plane (121).

2. A thick wall (1) according to claim 1, characterized in that: the device further comprises a third part (14), wherein the third part (14) connects one end of the first part (11) with one end of the second part (12) so that the thick wall (1) is in a -shaped structure.

3. A thick wall (1) according to claim 2, characterized in that: the first part (11), the second part (12) and the third part (14) are integrally injection molded.

4. A thick wall (1) according to any one of claims 1 to 3, characterized in that: and a diffusion pattern (123) is arranged on the second light emergent plane (122).

5. An automobile fog lamp is characterized by comprising the following structures:

a thick wall (1) as claimed in any one of claims 1 to 4;

the LED lamp (2) corresponds to the light inlet (112) of the collimator (111), and emits light rays to the light inlet (112);

and a lamp panel (3), wherein the lamp panel (3) is used for installing the LED lamp (2).

6. The automotive fog lamp of claim 5, further comprising:

a transparent inner part (4), the transparent inner part (4) being arranged on the side of the second part (12) remote from the first part (11);

and an outer fitting (5), the outer fitting (5) being placed on the side of the transparent inner fitting (4) remote from the second portion (12).