CN220102929U - Optical system for improving large-angle lighting effect and car lamp signal lamp - Google Patents

Optical system for improving large-angle lighting effect and car lamp signal lamp Download PDF

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Publication number
CN220102929U
CN220102929U CN202320748488.0U CN202320748488U CN220102929U CN 220102929 U CN220102929 U CN 220102929U CN 202320748488 U CN202320748488 U CN 202320748488U CN 220102929 U CN220102929 U CN 220102929U
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light
reflecting surface
thick
optical system
lighting effect
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王宣淇
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Magneti Marelli Automotive Components Wuhu Co Ltd
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Magneti Marelli Automotive Components Wuhu Co Ltd
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Abstract

The utility model provides an optical system for improving a large-angle lighting effect and a car lamp signal lamp, which comprises: the device comprises a thick-wall member and a light guide, wherein a groove is formed in the thick-wall member, and the light guide is arranged in the groove; the thick-wall member is provided with a light incident structure, a first reflecting surface, a second reflecting surface, a third reflecting surface, a fourth reflecting surface and a light emergent surface; the first reflecting surface and the fourth reflecting surface are arranged at the positions of the grooves, and the light guide is positioned between the first reflecting surface and the fourth reflecting surface; the light beam reaches the first reflecting surface through the light entering structure, the first reflecting surface reflects the light beam to the second reflecting surface, the light beam changes the light path through the second reflecting surface and reflects to the third reflecting surface, the third reflecting surface reflects the light beam to the fourth reflecting surface, and the light beam reaches the light emitting surface through the fourth reflecting surface and exits. The utility model changes the light path of the thick-wall part, adds the light guide to compensate the large-angle lighting effect so as to improve uniformity, and simultaneously, the optical system can continuously realize the function of flowing water when the light guide light source is turned off.

Description

Optical system for improving large-angle lighting effect and car lamp signal lamp
Technical Field
The utility model relates to the technical field of automobile lamps, in particular to an optical system for improving a large-angle lighting effect and an automobile lamp signal lamp.
Background
With the development of car light designs, the running water function is demanded by more and more customers, the thick-wall part has high-efficiency optical efficiency and transparent lighting effect, the thick-wall part has the advantages that each light source can be controlled independently, each cavity can be lighted independently, the running water function can be realized, and the thick-wall part has high-efficiency collimation and uniform front lighting effect and is widely used in car light optical designs. However, due to the inherent structural characteristics of the thick-wall member, the lighting uniformity always has a space to be lifted in the wide-angle view angle of the outer side, and the conventional thick-wall member has a granular feel in the wide-angle view when being lighted, so that the problem of uneven lighting effect is caused. Light guides have the advantage of being relatively uniform in illumination at all angles, but light guides do not achieve the current flow effects.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide an optical system and a car lamp signal lamp for improving the large-angle lighting effect.
An optical system for improving a large angle lighting effect according to the present utility model includes: the device comprises a thick-wall member and a light guide, wherein a groove is formed in the thick-wall member, and the light guide is arranged in the groove;
the thick-wall piece is provided with a light incident structure, a first reflecting surface, a second reflecting surface, a third reflecting surface, a fourth reflecting surface and a light emergent surface; the first reflecting surface and the fourth reflecting surface are arranged at the groove position, and the light guide is positioned between the first reflecting surface and the fourth reflecting surface;
the light reaches the first reflecting surface through the light entering structure, the first reflecting surface reflects the light to the second reflecting surface, the light changes the light path through the second reflecting surface and reflects to the third reflecting surface, the third reflecting surface reflects the light to the fourth reflecting surface, and the light reaches the light emitting surface through the fourth reflecting surface and emits.
Preferably, the fourth reflecting surface is provided with a first pattern and a second pattern;
the first patterns are used for receiving the light rays from the third reflecting surface and reflecting the light rays to the light emitting surface to emit; the second patterns are used for receiving light rays of the light guide, so that the light rays enter the thick-wall member and exit through the light-emitting surface.
Preferably, the first patterns and the second patterns are staggered.
Preferably, the light guide is disposed right behind the light emitting surface along the light emitting direction, and the diameter of the light guide is smaller than the width of the light emitting surface.
Preferably, the light incident structure comprises a thick-wall member collimator and a thick-wall member rear surface, and the thick-wall member collimator and the thick-wall member rear surface are arranged on the thick-wall member;
the light is collected by the collimator of the thick-wall piece and is collimated to the rear surface of the thick-wall piece, and the light changes the light path to reach the first reflecting surface by the rear surface of the thick-wall piece.
Preferably, the thick-wall piece collimator is provided with an optical pattern.
Preferably, the first reflecting surface is provided with a first tooth pattern;
the first tooth-shaped patterns reflect the light rays from the light incident structure to the second reflecting surface;
the second reflecting surface is provided with a second toothed pattern;
the second tooth-shaped patterns reflect the light rays from the first reflecting surface to the third reflecting surface;
the third reflecting surface is provided with a third toothed pattern;
the third tooth pattern reflects light rays from the second reflecting surface to the fourth reflecting surface.
Preferably, the first, second and third tooth patterns are tooth patterns having a 45-degree surface with respect to the horizontal direction.
Preferably, the LED lamp further comprises a first light source assembly and a second light source assembly;
light rays emitted by the first light source component enter the thick-wall piece through the light inlet structure, and light rays emitted by the second light source component enter the light guide;
the first light source component and the second light source component are the same-color light source or different-color light sources.
The utility model also provides a car lamp signal lamp, which comprises the optical system for improving the large-angle lighting effect.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the light path of the thick-wall member is changed on the basis of the thick-wall member, the problem of uneven lighting at a large angle is solved by adding the light guide, the high-efficiency optical utilization efficiency of the thick-wall member is maintained, and the lighting effect at each angle is realized more uniformly;
2. when the system of the utility model is used for turning off the light guide light source, the optical system can realize the function of running water, thereby meeting the diversity and the aesthetic property of modeling.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of an optical system for improving a large-angle lighting effect according to the present utility model;
FIG. 2 is a schematic diagram of a second optical system for improving the large-angle lighting effect according to the present utility model;
FIG. 3 is a top view of an optical system for improving the high angle lighting effect of the present utility model;
FIG. 4 is a partial schematic view of an optical system for improving the high angle lighting effect of the present utility model;
FIG. 5 is a schematic view showing the structure of the first pattern and the second pattern;
FIG. 6 is a light path diagram of the light passing through the first pattern before reaching the light-emitting surface of the thick-wall member;
FIG. 7 is a light path diagram of the light passing through the second pattern before reaching the light exit surface of the thick-wall member;
FIG. 8 is a block diagram of a second tooth pattern on a second reflective surface on a thick-walled member;
FIG. 9 is a schematic view of the construction of a light guide in a thick-walled member construction;
FIG. 10 is a schematic view of a conventional thick-wall structure;
FIG. 11 is a graph showing the comparison of the lighting effect of the outer 30 degrees of the conventional thick-wall structure and the thick-wall structure of the present utility model.
The figure shows:
light-emitting surface 8 of first light source component 1
Thick-walled collimator 2 light guide 9
Groove 10 of rear surface 3 of thick-walled member
Thick-walled member 11 of first reflecting surface 4
The second reflecting surface 5 has a first pattern 12
Third reflective surface 6 second pattern 13
The fourth reflecting surface 7 has a second toothed pattern 14
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.
Example 1:
as shown in fig. 1 to 9, the present embodiment provides an optical system that improves a large-angle lighting effect, including: the light guide device comprises a thick-wall member 11 and a light guide 9, wherein a groove 10 is formed in the thick-wall member 11, the light guide 9 is arranged in the groove 10, and a light inlet structure, a first reflecting surface 4, a second reflecting surface 5, a third reflecting surface 6, a fourth reflecting surface 7 and a light outlet surface 8 are formed in the thick-wall member 11; the first reflecting surface 4 and the fourth reflecting surface 7 are arranged at the position of the groove 10, the light guide 9 is positioned between the first reflecting surface 4 and the fourth reflecting surface 7, light reaches the first reflecting surface 4 through the light entering structure, the first reflecting surface 4 reflects the light to the second reflecting surface 5, the light changes the light path through the second reflecting surface 5 to reflect to the third reflecting surface 6, the third reflecting surface 6 reflects the light to the fourth reflecting surface 7, and the light reaches the light emitting surface 8 through the fourth reflecting surface 7 to emit. The light guide 9 is disposed right behind the light-emitting surface 8 in the light-emitting direction, and the diameter of the light guide 9 is smaller than the width of the light-emitting surface 8.
The optical system for improving the large-angle lighting effect of the embodiment further includes a first light source assembly 1 and a second light source assembly, wherein the light emitted by the first light source assembly 1 enters the thick-wall member 11 through the light entering structure, the light emitted by the second light source assembly enters the light guide 9, and the first light source assembly 1 and the second light source assembly are the same-color light source or different-color light sources.
The light entering structure comprises a thick-wall piece collimator 2 and a thick-wall piece rear surface 3, wherein the thick-wall piece collimator 2 and the thick-wall piece rear surface 3 are arranged on a thick-wall piece 11, light rays are collected through the thick-wall piece collimator 2 and collimated to the thick-wall piece rear surface 3, and the light rays change the light path through the thick-wall piece rear surface 3 to reach the first reflecting surface 4. The thick-walled collimator 2 is provided with optical patterns.
The first reflecting surface 4 is provided with a first tooth pattern, and the first tooth pattern reflects the light from the light incident structure to the second reflecting surface 5. The second reflecting surface 5 is provided with a second tooth pattern 14, the second tooth pattern 14 reflecting light from the first reflecting surface 4 to the third reflecting surface 6. The third reflecting surface 6 is provided with a third toothed pattern which reflects light rays from the second reflecting surface 5 to the fourth reflecting surface 7.
The fourth reflecting surface 7 is provided with a first pattern 12 and a second pattern 13, the first pattern 12 is used for receiving the light from the third reflecting surface 6 and reflecting the light to the light emergent surface 8 for emergent, and the second pattern 13 is used for receiving the light of the light guide 9, so that the light enters the thick-wall member and is emergent through the light emergent surface 8. The first pattern 12 and the second pattern 13 are arranged in a staggered manner.
The first, second and third tooth patterns 14, 14 are tooth patterns having a 45-degree surface with respect to the horizontal direction.
The embodiment also provides a car light signal lamp, which comprises the optical system for improving the large-angle lighting effect.
Example 2:
the present embodiment will be understood by those skilled in the art as a more specific description of embodiment 1.
The embodiment provides an optical structure capable of effectively improving the large-angle lighting uniformity of a thick-wall member, which comprises a PCB (printed circuit board), a light source LED (light emitting diode), a thick-wall member 11 and a light guide 9. The thick-walled member 11 is provided with a groove 10, and the light guide 9 is provided in a size and shape corresponding to the groove 10.
The light emitted by the LED light source is collected and collimated to the rear surface 3 of the thick-wall member through the collimator 2 of the thick-wall member, the light passes through the rear surface 3 of the thick-wall member to change the light path to reach the first reflecting surface 4, most of the light is reflected to the second reflecting surface 5 through the toothed pattern on the first reflecting surface 4, then the light is reflected to the third reflecting surface 6 through the toothed pattern on the second reflecting surface 5, the toothed pattern on the third reflecting surface 6 reflects the light to the fourth reflecting surface 7, the fourth reflecting surface 7 is provided with two patterns, the two patterns are staggered, the first pattern is used for receiving the light from the third reflecting surface 6 and reflecting the light to the light emitting surface 8, the second pattern is used for receiving the light of the light guide 9 placed between the first reflecting surface and the fourth reflecting surface on the thick-wall member, so that the light enters the thick-wall member 11, and the two parts of the light are finally diffused through the light emitting surface 8 and then emitted.
Further, the light guide 9 is disposed right behind the light emitting surface 8, the thickness is coordinated with the light emitting surface 8, and the diameter of the light guide 9 cannot be smaller than the width of the light emitting surface 8, for example, in this example, the width of the actual light emitting surface 8 is 12mm, and the diameter of the light guide 9 is 8mm.
Furthermore, optical patterns are added on the thick-wall piece collimator 2 and used for uniformly scattering light emitted by the LED light source at a small angle after the light is collimated, so that the lighting effect is more uniform.
Furthermore, the first reflecting surface 4, the second reflecting surface 5 and the third reflecting surface 6 are all designed with optical patterns, specifically, tooth-shaped patterns forming 45-degree surfaces with the horizontal direction are changed according to the curvature of an actual base surface, the effect of changing the light path is achieved, and light rays are reflected to enter the next part of the thick-wall member.
Further, two patterns arranged on the fourth reflecting surface 7 can be arranged freely according to actual demands, in this example, the patterns are staggered, if the thick-wall part is required to emit more light to reach a better regulation value, the arrangement number of the first patterns can be higher than that of the second patterns, and vice versa, and the proportion of the first patterns to the second patterns is adjustable.
Further, the thick-wall member 11 and the light guide 9 can use the same color light source or two different color light sources, and can realize the effect as the same or different functions.
The embodiment provides an optical structure capable of effectively improving the large-angle lighting uniformity of a thick-wall member, because of the characteristics of the inherent structure of the thick-wall member, the lighting uniformity always has a space to be improved on the outside large-angle view angle, and the embodiment changes the light path of the thick-wall member on the basis of the original thick-wall member and adds a light guide to compensate the large-angle lighting effect so as to improve the uniformity, and meanwhile, when the light guide light source is turned off, the optical system can continuously realize the running water function. Fig. 11 is a graph comparing the lighting effect of the outer 30 degrees of the conventional thick-wall structure (upper graph) with that of the thick-wall structure of the present utility model (lower graph).
The utility model changes the light path of the thick-wall part, adds the light guide to compensate the large-angle lighting effect so as to improve uniformity, and simultaneously, the optical system can continuously realize the function of flowing water when the light guide light source is turned off.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", 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 devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the utility model and the features of the embodiments may be combined with each other arbitrarily without conflict.

Claims (10)

1. An optical system for improving a large angle lighting effect, comprising: a thick-walled member (11) and a light guide (9), wherein a groove (10) is arranged on the thick-walled member (11), and the light guide (9) is arranged in the groove (10);
the thick-wall member (11) is provided with a light incident structure, a first reflecting surface (4), a second reflecting surface (5), a third reflecting surface (6), a fourth reflecting surface (7) and a light emergent surface (8); the first reflecting surface (4) and the fourth reflecting surface (7) are arranged at the position of the groove (10), and the light guide (9) is positioned between the first reflecting surface (4) and the fourth reflecting surface (7);
light reaches the first reflecting surface (4) through the light entering structure, the first reflecting surface (4) reflects the light to the second reflecting surface (5), the light changes a light path through the second reflecting surface (5) and reflects the light to the third reflecting surface (6), the third reflecting surface (6) reflects the light to the fourth reflecting surface (7), and the light reaches the light emitting surface (8) through the fourth reflecting surface (7) and exits.
2. An optical system for improving a large angle lighting effect according to claim 1, characterized in that the fourth reflecting surface (7) is provided with a first pattern (12) and a second pattern (13);
the first patterns (12) are used for receiving light rays from the third reflecting surface (6) and reflecting the light rays to the light emitting surface (8) to emit; the second pattern (13) is used for receiving the light rays of the light guide (9), so that the light rays enter the thick-wall member and exit through the light-emitting surface (8).
3. An optical system for improving a large angle lighting effect according to claim 2, wherein the first pattern (12) and the second pattern (13) are arranged in a staggered manner.
4. An optical system for improving a large angle lighting effect according to claim 1, characterized in that the light guide (9) is arranged right behind the light exit surface (8) in the light exit direction, the diameter of the light guide (9) being smaller than the width of the light exit surface (8).
5. An optical system for improving a high angle lighting effect according to claim 1, characterized in that the light entry structure comprises a thick-wall element collimator (2) and a thick-wall element rear surface (3), the thick-wall element collimator (2) and the thick-wall element rear surface (3) being arranged on the thick-wall element (11);
light is collected by the thick-wall piece collimator (2) and collimated to the rear surface (3) of the thick-wall piece, and the light changes the light path to the first reflecting surface (4) by the rear surface (3) of the thick-wall piece.
6. An optical system for improving a large angle lighting effect according to claim 5, characterized in that the thick-walled collimator (2) is provided with an optical pattern.
7. An optical system for improving a large angle lighting effect according to claim 1, characterized in that the first reflecting surface (4) is provided with a first tooth pattern;
the first tooth-shaped patterns reflect the light rays from the light incident structure to the second reflecting surface (5);
the second reflecting surface (5) is provided with a second toothed pattern (14);
the second tooth pattern (14) reflects light rays from the first reflecting surface (4) to the third reflecting surface (6);
the third reflecting surface (6) is provided with a third tooth-shaped pattern;
the third tooth pattern reflects light rays from the second reflecting surface (5) to the fourth reflecting surface (7).
8. An optical system for improving a large angle lighting effect according to claim 7, wherein the first, second and third tooth patterns (14, 14) are tooth patterns having 45-degree faces with respect to a horizontal direction.
9. An optical system for improving a large angle lighting effect according to claim 1, further comprising a first light source assembly (1) and a second light source assembly;
light rays emitted by the first light source component (1) enter the thick-wall piece (11) through the light inlet structure, and light rays emitted by the second light source component enter the light guide (9);
the first light source component (1) and the second light source component are the same-color light source or different-color light sources.
10. A vehicular lamp signal lamp comprising the optical system for improving a large-angle lighting effect according to any one of claims 1 to 9.
CN202320748488.0U 2023-04-03 2023-04-03 Optical system for improving large-angle lighting effect and car lamp signal lamp Active CN220102929U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320748488.0U CN220102929U (en) 2023-04-03 2023-04-03 Optical system for improving large-angle lighting effect and car lamp signal lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320748488.0U CN220102929U (en) 2023-04-03 2023-04-03 Optical system for improving large-angle lighting effect and car lamp signal lamp

Publications (1)

Publication Number Publication Date
CN220102929U true CN220102929U (en) 2023-11-28

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Application Number Title Priority Date Filing Date
CN202320748488.0U Active CN220102929U (en) 2023-04-03 2023-04-03 Optical system for improving large-angle lighting effect and car lamp signal lamp

Country Status (1)

Country Link
CN (1) CN220102929U (en)

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