CN217004288U - Optical system with light curtain effect - Google Patents

Abstract

The utility model provides an optical system with a light curtain effect, which comprises a thick-wall part, wherein an accommodating space is arranged behind the rear end of the thick-wall part and used for accommodating a light source, light rays emitted by the light source enter from the rear end face of the thick-wall part, and a part of the light rays are emitted from the front end face of the thick-wall part; the utility model discloses a light distribution device of a signal lamp, which comprises a thick-wall part, a rear wall part and a rear wall part expansion part, wherein a first concave-convex structure is arranged on one side of the front end of the thick-wall part, the other side of the front end of the thick-wall part extends out of the rear wall part expansion part, a second concave-convex structure is arranged on the rear end surface of the rear wall part expansion part, and the other part of light is projected onto the first concave-convex structure, then reflected onto the second concave-convex structure, reflected again and ejected out from the front end of the rear wall part expansion part.

Description

Optical system with light curtain effect

Technical Field

The utility model relates to the technical field of vehicle lamps, in particular to an optical system with a light curtain effect.

Background

The car light is the important accessory of car, can guarantee driving safety for the person of traveling under the dark light condition, and car light simple structure only installs the car light in the arc car cover today, and the light that shines is dispersed, and illuminating effect is poor. In general, to meet the requirement of FMVSS108 regulation on the light emitting area, a reflective bowl is additionally designed and lighted at the same time besides the optical unit, but the cost is increased.

Patent document CN214275574U discloses a vehicle lamp structure capable of realizing a three-dimensional lighting effect, which is characterized by comprising an outer cover, a supporting structure, a light source assembly and a housing, wherein the light source assembly and the supporting structure are fixed inside the housing, and the light source assembly is located at the lower side of the supporting structure; the inner decoration frame is in a three-dimensional shape and is provided with a depth structure with a depth effect, the inner decoration frame is made of transparent and non-transparent materials, a plurality of annular light emitting areas are achieved, light depends on the diffusion function of the inner mask, each annular can guarantee the lighting uniformity, and the lighting area of the design is not large enough and needs to be further optimized.

SUMMERY OF THE UTILITY MODEL

In view of the defects in the prior art, the present invention aims to provide an optical system with light curtain effect.

The optical system with the light curtain effect comprises a thick-wall part, wherein an accommodating space is formed behind the rear end of the thick-wall part and used for accommodating a light source;

the light emitted by the light source enters from the rear end face of the thick-wall part, and part of the light is emitted from the front end face of the thick-wall part;

one side of the front end of the thick-wall part is provided with a first concave-convex structure, the other side of the front end of the thick-wall part extends out of the rear wall part expansion part, the rear end face of the rear wall part expansion part is provided with a second concave-convex structure, and the other part of the light is projected onto the first concave-convex structure, reflected to the second concave-convex structure, reflected again and ejected out of the front end of the rear wall part expansion part.

Preferably, the surface of the second concave-convex structure has an aluminum plating layer or a chromium plating layer.

Preferably, the first concave-convex structure is a tooth-shaped structure.

Preferably, the second concave-convex structure is any one of the following structures:

a plurality of first groove surfaces arranged successively in order;

the second groove surfaces are sequentially arranged at intervals, and a first plane structure is arranged between every two adjacent second groove surfaces;

the groove structures are sequentially arranged at intervals, and a third groove surface is arranged between every two adjacent groove structures;

a second planar structure having a plurality of uniform or non-uniform first aperture structures disposed therein.

Preferably, each joint of two adjacent first groove surfaces is provided with a plurality of second hole structures which are uniformly or non-uniformly arranged.

Preferably, the cross sections of the first groove surface, the second groove surface and the third groove surface are arc-shaped structures.

Preferably, the cross section of the groove structure is in a parabolic surface structure.

Preferably, the first groove surface, the second groove surface and the third groove surface are all long groove structures, and two ends of each long groove structure extend to two ends of the rear wall member expansion part respectively.

Preferably, the inner surfaces of the first hole structure and the second hole structure are both structures matched with the outer surfaces of the end parts of the ellipsoids.

Preferably, the rear end face of the thick-walled part is provided with a peripheral optical pattern, the peripheral optical pattern is provided with one or more drawing transition surfaces, a central optical pattern is arranged inside the drawing transition surfaces, and the central optical pattern is opposite to the light source.

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

1. according to the utility model, when the main body meets the signal lamp light distribution regulation, the rear wall part extension part is uniformly lightened together by arranging the first concave-convex structure, the requirement on the light emitting area in the FMVSS108 regulation is met, and various uniform lightening effects can be realized by matching with different types of optical patterns, so that the lightening effect of the vehicle lamp is greatly improved, and the cost is low.

2. The second concave-convex structure has various implementable structures, and is flexible in structure and high in practicability.

3. According to the utility model, the first concave-convex structure is provided with a plurality of third plane structures to realize light reflection and transmission, the third plane structures can be reasonably set according to the distance from a light source, the inclination degree of the third plane structures is matched with the second concave-convex structure, a good lighting effect is achieved, the structural design is ingenious, and the customer experience is good.

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 schematic cross-sectional view of a thick-walled part according to the present invention;

FIG. 2 is a front view of the front end of the thick-walled member;

fig. 3 is a schematic structural view of a second concave-convex structure in embodiment 2;

FIG. 4 is a schematic sectional view showing the structure of example 2;

FIG. 5 is a partially enlarged schematic view of FIG. 4;

fig. 6 is a schematic structural view of a second concavo-convex structure in embodiment 3;

FIG. 7 is a schematic sectional view of the structure of embodiment 3;

FIG. 8 is an enlarged partial schematic view of FIG. 7;

fig. 9 is a schematic structural view of a second concavo-convex structure in embodiment 4;

FIG. 10 is a schematic sectional view showing the structure of example 4;

FIG. 11 is an enlarged partial schematic view of FIG. 10;

fig. 12 is a schematic structural view of a second concavo-convex structure in embodiment 5;

FIG. 13 is a schematic sectional view showing the structure of example 5;

FIG. 14 is an enlarged partial schematic view of FIG. 13;

fig. 15 is a schematic structural view of a second concave-convex structure in example 6;

FIG. 16 is a schematic sectional view showing the structure of example 6;

fig. 17 is a partially enlarged view of fig. 16.

The figures show that:

second hole structure 11 of thick-walled member 1

Optical pattern 12 on the periphery of the light source 2

First relief structure 3 draft transition surface 13

Central optical pattern 14 of rear wall member extension 4

Second relief structure 5 light 15

First groove face 6 and third planar structure 16

Second recessed surface 7 body front surface 17

Front surface 18 of the expansion of the first planar structure 8

Groove structure 19 of third groove surface 9

First aperture arrangement 10 and second planar arrangement 20

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.

Example 1:

the utility model provides an optical system with a light curtain effect, which is used for an automobile signal lamp and can be used for realizing functions of a position lamp, a steering lamp, a brake lamp and the like, as shown in figures 1 and 2, the optical system comprises a thick-wall part 1, wherein an accommodating space is arranged behind the rear end of the thick-wall part 1 and is used for accommodating a light source 2, the light source 2 preferably adopts an LED lamp, light rays 15 emitted by the light source 2 enter and are collimated from the rear end face of the thick-wall part 1, a part of the light rays 15 are emitted from the front end face of the thick-wall part 1, namely, are emitted from the front surface 17 of a main body part of the thick-wall part 1, and the front surface 17 of the main body part is provided with optical patterns and plays a role of properly diffusing the light rays 15 to meet the requirements of light distribution regulations.

One side of thick-walled spare 1 front end has first concave-convex structure 3, and the opposite side of thick-walled spare 1 front end extends rear wall spare extension 4, and the rear end face of rear wall spare extension 4 has second concave-convex structure 5, and another part in light 15 projects on first concave-convex structure 3 and reflects behind second concave-convex structure 5 again and jets out from the extension front surface 18 of the front end of rear wall spare extension 4. According to the utility model, when the main body meets the signal lamp light distribution regulation, the first concave-convex structure 3 is arranged to uniformly light the rear wall part extension part 4 together, so that the requirements on the light emitting area in the FMVSS108 regulation are met, and various uniform lighting effects can be realized by matching with different types of optical patterns.

Specifically, the surface of the second concave-convex structure 5 is preferably subjected to an aluminizing or chrome plating process, so that the surface of the second concave-convex structure 5 has an aluminized layer or a chrome plated layer, which increases the light reflecting effect.

As shown in fig. 1, the first concave-convex structure 3 is a tooth-shaped structure, the tooth-shaped structure has a plurality of third planar structures 16 facing the emitting direction of the light ray 15, and when the light ray 15 is projected onto the third planar structures 16 and reflected, the light ray 15 can be projected onto the second concave-convex structure 5, so as to realize the lighting effect of the second concave-convex structure 5, wherein the plurality of third planar structures 16 are partially parallel, completely parallel or non-parallel, and are specifically set reasonably according to the actual lighting effect.

The second relief structure 5 has an optical pattern for totally reflecting the light 15 totally reflected by the first relief structure 3 again and exiting through the front surface 18 of the expansion, and the second relief structure 5 has various structural forms, which will be described in detail below with reference to several embodiments.

Example 2:

this embodiment is the first preferred embodiment of embodiment 1.

In this embodiment, as shown in fig. 3, 4, and 5, the second concave-convex structure 5 is a plurality of first groove surfaces 6 that are sequentially and continuously arranged, a cross section of each first groove surface 6 is an arc-shaped structure, each first groove surface 6 is a long groove structure, and two ends of each long groove structure extend to two ends of the rear wall member extension portion 4 respectively.

Specifically, the rear end face of the thick-wall part 1 plays a role in collimating light emitted by the light source 2, a peripheral optical pattern 12 is arranged on the rear end face of the thick-wall part 1, one or more pattern drawing transition faces 13 are arranged on the peripheral optical pattern 12, a central optical pattern 14 is arranged inside the pattern drawing transition faces 13, and the central optical pattern 14 is opposite to the light source 2.

Example 3:

this embodiment is a second preferred embodiment of embodiment 1.

In this embodiment, as shown in fig. 6, 7, and 8, the second concave-convex structure 5 is a plurality of second groove surfaces 7 that are sequentially arranged at intervals, a first plane structure 8 is provided between every two adjacent second groove surfaces 7, the cross sections of the second groove surfaces 7 are arc-shaped structures, the second groove surfaces 7 are elongated slot structures, and two ends of each elongated slot structure extend to two ends of the rear wall member expansion portion 4.

Example 4:

this embodiment is a third preferred embodiment of embodiment 1.

In this embodiment, as shown in fig. 9, 10, and 11, the second concave-convex structure 5 is a plurality of groove structures 19 that are sequentially arranged at intervals, and a third groove surface 9 is provided between every two adjacent groove structures 19, and the groove depth of the groove structure 19 is greater than the groove depth of the third groove surface 9.

The cross section of the groove structure 19 is of a parabolic surface structure, the cross section of the third groove surface 9 is of an arc-shaped structure, the third groove surfaces 9 are of long groove structures, and two ends of each long groove structure respectively extend to two ends of the rear wall part expansion part 4.

Example 5:

this embodiment is a fourth preferred embodiment of embodiment 1.

In this embodiment, as shown in fig. 12, 13 and 14, the second concave-convex structure 5 is a second planar structure 20 in which a plurality of uniform or non-uniform first hole structures 10 are arranged, and the inner surfaces of the first hole structures 10 are both structures matching the outer surfaces of the end portions of the ellipsoid.

Example 6:

this embodiment is a fifth preferred embodiment of embodiment 1.

In this embodiment, as shown in fig. 15, 16, and 17, the second concave-convex structure 5 is a plurality of first groove surfaces 6 arranged in series, a junction of every two adjacent first groove surfaces 6 has a plurality of second hole structures 11 arranged uniformly or non-uniformly, preferably, a junction of two first groove surfaces 6 has a plurality of second hole structures 11 arranged uniformly, and inner surfaces of the second hole structures 11 are both structures matching outer surfaces of end portions of the ellipsoid.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or 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. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims (10)

1. An optical system with a light curtain effect is characterized by comprising a thick-wall part (1), wherein an accommodating space is arranged behind the rear end of the thick-wall part (1) and used for accommodating a light source (2);

the light (15) emitted by the light source (2) enters from the rear end face of the thick-wall part (1), and a part of the light (15) is emitted from the front end face of the thick-wall part (1);

one side of thick-walled spare (1) front end has first concave-convex structure (3), and the opposite side of thick-walled spare (1) front end extends back wall spare extension portion (4), the rear end face of back wall spare extension portion (4) has second concave-convex structure (5), another part in light (15) is projected on first concave-convex structure (3) after the back reflection is to second concave-convex structure (5) after reflect once more and follow the front end of back wall spare extension portion (4) is jetted out.

2. Optical system with a light curtain effect according to claim 1, characterized in that the surface of the second relief structure (5) has an aluminium or chromium plating.

3. An optical system with a light curtain effect as claimed in claim 1, wherein the first relief structure (3) is a tooth-like structure.

4. An optical system with a light curtain effect as claimed in claim 1, wherein the second relief structure (5) is any one of the following:

a plurality of first groove surfaces (6) arranged successively in succession;

a plurality of second groove surfaces (7) are arranged at intervals in sequence, and a first plane structure (8) is arranged between every two adjacent second groove surfaces (7);

a plurality of groove structures (19) are arranged at intervals in sequence, and a third groove surface (9) is arranged between every two adjacent groove structures (19);

a second planar structure (20) arranged with a plurality of uniform or non-uniform first hole structures (10).

5. An optical system with a light curtain effect as claimed in claim 4, characterized in that the junction of every two adjacent first groove surfaces (6) has a plurality of second hole structures (11) arranged uniformly or non-uniformly.

6. The optical system with light curtain effect as claimed in claim 4, wherein the cross-sections of the first (6), second (7) and third (9) groove surfaces are arc-shaped structures.

7. The optical system with light curtain effect as claimed in claim 4, wherein the cross section of the groove structure (19) is parabolic.

8. The optical system with a light curtain effect according to claim 4, wherein the first groove surface (6), the second groove surface (7) and the third groove surface (9) are all long groove structures, and two ends of each long groove structure extend to two ends of the rear wall member expansion part (4).

9. The optical system with light curtain effect as claimed in claim 5, wherein the inner surfaces of the first and second hole structures (10, 11) are both structures matching the outer surface of the end of the ellipsoid.

10. Optical system with light curtain effect according to claim 1, characterized in that the rear end face of the thick-walled part (1) has a peripheral optical pattern (12), one or more pattern-drawing transition surfaces (13) are arranged on the peripheral optical pattern (12), a central optical pattern (14) is arranged inside the pattern-drawing transition surfaces (13), and the central optical pattern (14) is opposite to the light source (2).

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