Automobile lamp structure

Abstract

The utility model belongs to an automobile lamp structure in the technical field of automobile parts. A light source (2), a condensation structure (3), a total reflection surface (4) and a light emitting surface (5) are arranged in the lamp body (1), and the total reflection surface (4) is of a non-straight surface structure and is of a convex arc-shaped surface structure or a concave-convex step structure or a plurality of convex spherical pattern structures. The light source (2) is aligned with the light condensation structure (3), and the light condensation structure (3) is close to the fully reflecting surface (4). According to the automobile lamp structure, the structure is simple, the light path design and the light density distribution in the light path can be optimized, the problem of the optical lightening effect is efficiently solved under the condition that the space is limited, and the overall performance is improved.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts technology, and more specifically, relates to an automotive lighting structure. Background Technology

[0002] Currently, automotive lighting optical design, when integrated with overall vehicle styling, is often constrained by space limitations, and conventional design methods are no longer sufficient to meet customer requirements. Therefore, an efficient and practical approach is crucial in automotive lighting optical design. Current methods often employ a total internal reflection optical surface with a projection area nearly identical to the target illumination surface in the light-emitting direction to achieve a uniform lighting effect. However, this method is no longer sufficient to meet customer lighting requirements when the lamp body or other structural limitations, or when the lamp's molding angle is restricted.

[0003] Existing technology includes a technology entitled "Automotive Light and Automobile Having It," with publication number "CN103994387B." This technology discloses an automotive light and an automobile having it. The automotive light includes: a substrate; a light source mounted on the substrate; a lens mounted on the substrate and located in the light-emitting direction of the light source, the lens having a light-emitting surface; a diffuser located between the light source and the lens in the light-emitting direction of the light source; a total reflection mirror mounted on the lens and having a total reflection surface; and a semi-reflective cover disposed on the substrate, the light source, the diffuser, the lens, and the total reflection mirror being located within the semi-reflective cover, with the light-emitting surface and the total reflection surface facing the semi-reflective cover. The automotive light according to the embodiments of the present invention has advantages such as uniform light emission, good visual effect, and convenient assembly.

[0004] However, this technology does not address the technical issues and solutions of this application. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide an automotive lighting structure that is simple in structure, can effectively optimize the optical path design and the optical density distribution in the optical path, and can efficiently solve the problem of optical lighting effect under space-constrained conditions, thereby improving the overall performance, in order to address the shortcomings of the existing technology.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:

[0007] This utility model relates to an automotive lamp structure, which includes a light source, a focusing structure, a total reflection surface, and a light-emitting surface inside the lamp body. The total reflection surface is configured as a non-straight surface structure, which can be a convex arc-shaped surface structure, or a stepped structure with concave and convex surfaces, or a structure with multiple convex spherical patterns.

[0008] The light source is aligned with the focusing structure, which is close to the total reflection surface.

[0009] The total internal reflection surface is aligned with the light-emitting surface.

[0010] The light-emitting surface has an uneven, serrated structure, and the outer surface of the light-emitting surface is the target surface.

[0011] When the total reflection surface is a convex arc-shaped surface structure, the total reflection surface is a structure that convexes towards the light-concentrating structure.

[0012] When the total reflection surface is a stepped structure with concave and convex surfaces, the stepped structure is formed by multiple bent surfaces, and two adjacent bent surfaces form an obtuse angle structure.

[0013] When the total reflection surface is a structure with multiple convex spherical patterns, the multiple spherical surfaces are configured to convex towards the light-concentrating structure, and there are concave portions between adjacent spherical surfaces.

[0014] The light-emitting surface includes an upper part and a lower part.

[0015] The light-emitting surface connects the upper wall component and the lower wall component, which have a V-shaped structure.

[0016] The working principle and beneficial effects of this utility model are as follows:

[0017] The automotive lamp structure of this utility model improves the total reflection surface by making it a non-linear structure. The total reflection surface can take various forms, such as a convex arc-shaped surface, a stepped structure with concave and convex surfaces, or a structure with multiple convex spherical patterns. All of these forms of the total reflection surface effectively solve the problems in the prior art. After structural improvement, the light collected by the focusing structure from the light source shines on the total reflection surface. After beam shaping by the total reflection surface, it shines on the light-emitting surface, and finally, after refraction by the light-emitting surface, it evenly illuminates the target surface. The light-emitting surface is the light-emitting surface required by the customer, and its height is also required by the customer. It is also required that the light-emitting surface emits light uniformly. Due to limitations in the lamp body structure or internal space, the upper and lower wall components are set in a V-shape, i.e., the upper and lower wall components form a conical shape, making the light-emitting surface larger than the total reflection surface in the lamp direction. The total internal reflection surface has a convex arc-shaped structure. After the light beam is shaped by the aspherical surface, it illuminates the light-emitting surface. After refraction, the light from the light-emitting surface achieves uniform brightness in the target area. The total internal reflection surface has a stepped structure with concave and convex surfaces. The upper part of the stepped surface reflects the light to the upper part of the light-emitting surface, and the lower part reflects the light to the lower part of the light-emitting surface. The light is reflected sequentially in this manner, and finally, after refraction by the light-emitting surface, it propagates along the reference direction of the luminaire. The total internal reflection surface 4 has multiple convex spherical patterns. The function of these micro-structures is to diffuse the total internally reflected light at a certain angle. The arch height of the micro-structures is relatively high; where the light density is low at the incident point on the total internal reflection surface, the diffusion angle is small, and the arch height of the micro-structures is small, resulting in a uniform brightness effect on the target surface. Attached Figure Description

[0018] The following is a brief explanation of the contents depicted in the accompanying drawings and the markings therein:

[0019] Figure 1 This is a schematic diagram of the structure of embodiment 1 of the automotive lighting structure described in this utility model;

[0020] Figure 2 This is a schematic diagram of Embodiment 2 of the automotive lighting structure described in this utility model;

[0021] Figure 3 This is a schematic diagram of embodiment 3 of the automotive lighting structure described in this utility model;

[0022] The labels in the attached diagram are as follows: 1. Lamp body; 2. Light source; 3. Focusing structure; 4. Total reflection surface; 5. Light emitting surface; 6. Target surface; 7. Recess; 8. Upper part of light emitting surface; 9. Lower part of light emitting surface; 10. Upper wall component; 11. Lower wall component. Detailed Implementation

[0023] The following description, with reference to the accompanying drawings, provides a more detailed explanation of the specific embodiments of this utility model, including the shape and structure of each component, the relative positions and connections between the parts, the functions and working principles of each part:

[0024] As attached Figure 1 -Appendix Figure 3 As shown, this utility model is a structure for an automotive lamp. The lamp body 1 contains a light source 2, a focusing structure 3, a total reflective surface 4, and a light-emitting surface 5. The total reflective surface 4 is a non-straight surface structure; it can be a convex arc-shaped surface, a stepped structure with concave and convex surfaces, or a structure with multiple convex spherical patterns. The light-emitting surface 5 includes an upper part 8 and a lower part 9. The light-emitting surface 5 connects an upper wall member 10 and a lower wall member 11, which form a V-shape. This structure addresses the shortcomings of existing technologies by proposing an improved technical solution. In the structural design, the total reflective surface 4 is improved to be a non-straight surface structure. The total reflective surface 4 can take various specific forms, such as a convex arc-shaped surface, a stepped structure with concave and convex surfaces, or a structure with multiple convex spherical patterns. All of these forms of the total reflective surface 4 can effectively solve the problems in existing technologies. After structural improvements, the light collected by the focusing structure illuminates the total reflection surface 4. After beam shaping by the total reflection surface 4, the light illuminates the light-emitting surface 5. Finally, after refraction by the light-emitting surface 5, the light is evenly emitted into the target surface 6. The light-emitting surface 5 is the luminous surface required by the customer, and its height is also required by the customer. It is also required that the light emitted from the light-emitting surface 5 be visually uniform. Due to structural limitations or internal space constraints, the upper and lower wall components are designed in a V-shape, forming a cone shape, making the light-emitting surface 5 larger than the total reflection surface 4 in the lamp direction. The total reflection surface 4 is a convex arc-shaped surface structure. After beam shaping by the aspherical surface, it illuminates the light-emitting surface, and the light refracted by the light-emitting surface results in uniform brightness in the target area. The total internal reflection surface 4 has a stepped structure with concave and convex surfaces. The upper part of the stepped surface reflects light to the upper part of the light-emitting surface 5, and the lower part of the stepped surface reflects light to the lower part of the light-emitting surface 5. Light is reflected sequentially in between, and finally refracted by the light-emitting surface and propagates along the reference direction of the lamp. The total internal reflection surface 4 has multiple convex spherical pattern structures. The function of the microstructure pattern is to diffuse the total internal reflection light at a certain angle. The arch height of the microstructure pattern is relatively high. The diffusion angle is small where the light density is low on the incident light of the total internal reflection surface, and the arch height of the microstructure pattern is small, resulting in a uniform brightness effect on the target surface. The automotive lamp structure described in this utility model has a simple structure, can optimize the optical path design and the light density distribution in the optical path, and can efficiently solve the problem of optical lighting effect under space-constrained conditions, thereby improving overall performance.

[0025] The light source 2 is aligned with the focusing structure 3, which is close to the total reflection surface 4. The total reflection surface 4 is aligned with the light-emitting surface 5. The light-emitting surface 5 has an uneven, serrated structure, and the outer surface of the light-emitting surface 5 is the target surface 6. In this structure, the lamp body 1 serves as the carrier for mounting related components. The light source 2 emits light, which is reflected by the total reflection surface 4, then reflected back to the light-emitting surface 5, and finally illuminates the target surface 6. This invention effectively improves the brightness of the lamp.

[0026] When the total reflection surface 4 is a convex arc-shaped structure, it protrudes towards the light-concentrating structure 3. In Example 1, the total reflection surface 4 divides the light beam into sections in the vertical direction. The light reflected from the upper part of the total reflection surface 4 corresponds to the upper part of the light-emitting surface, and the upper light-emitting surface refracts the light, causing it to propagate along the reference direction of the luminaire (or diffuse vertically around the reference direction). The light reflected from the lower part of the total reflection surface corresponds to the lower part of the light-emitting surface, and the lower light-emitting surface refracts the downward-propagating light to propagate along the reference direction of the luminaire (or diffuses vertically around the reference direction). The middle section of the total reflection surface 4 corresponds sequentially to the middle section of the light-emitting surface.

[0027] When the total reflection surface 4 has a stepped structure with concave and convex surfaces, the stepped structure is formed by multiple bent surfaces, and two adjacent bent surfaces form an obtuse angle. As an embodiment 2, the method is similar to that of embodiment 1. By utilizing the tilt angle of each small total reflection step surface, the light incident on the step surface is completely reflected to the corresponding light-emitting surface. For example, the upper surface of the step surface of the total reflection surface 4 completely reflects the light to the upper part of the light-emitting surface, and the lower surface of the step surface of the total reflection surface completely reflects the light to the lower part of the light-emitting surface. The light is reflected in sequence in the middle, and finally, after being refracted by the light-emitting surface, the light propagates along the reference direction of the lamp (or diffuses up and down with the reference direction as the center), thereby improving the brightness effect of the lamp.

[0028] When the total reflection surface 4 is a structure with multiple convex spherical patterns, the multiple spherical surfaces are configured to convex towards the light-concentrating structure 3, and there are recesses 7 between adjacent spherical surfaces. As an embodiment 3, microstructure patterns are added to the surface of the total reflection surface 4. The function of the microstructure patterns is to diffuse the total reflected light from the total reflection surface at a certain angle. Figure 3The three typical light beams shown are: ray 1, after reaching point 1, undergoes total internal reflection and diffuses at a diffusion angle α to the light-emitting surface 5; ray 2, after reaching point 2, undergoes total internal reflection and diffuses at a diffusion angle β to the light-emitting surface 5; and ray 3, after reaching point 3, undergoes total internal reflection and diffuses at a diffusion angle γ to the light-emitting surface 5. After refraction at the light-emitting surface 5, these three beams propagate along the reference direction of the luminaire (or diffuse vertically around the reference direction). The diffusion angle gradually decreases from β to α, and also gradually decreases from β to γ. This effect is equivalent to a larger diffusion angle and a higher arch height for the microstructure pattern where the incident light density on the total internal reflection surface is high; conversely, a smaller diffusion angle and a smaller arch height for the microstructure pattern where the incident light density on the total internal reflection surface is low, ultimately resulting in a uniform brightness effect on the target surface 6.

[0029] The automotive lamp structure of this utility model improves the structure of the total reflection surface 4, making it a non-straight surface. The total reflection surface 4 can take various forms: in embodiment 1, it is a convex arc-shaped surface; in embodiment 2, it is a stepped structure with concave and convex surfaces; and in embodiment 3, it is a structure with multiple convex spherical patterns. All of these forms of the total reflection surface 4 effectively solve the problems in the prior art. After structural improvement, the light collected by the focusing structure from the light source shines on the total reflection surface 4. After beam shaping by the total reflection surface 4, it shines on the light-emitting surface 5. Finally, after refraction by the light-emitting surface 5, the light is evenly emitted into the target surface 6. The light-emitting surface 5 is the light-emitting surface required by the customer, and its height is also required by the customer. It is also required that the light-emitting surface 5 emits light evenly. Due to limitations in the lamp body structure or internal space, the upper and lower wall components are set into a V-shaped structure, i.e., the upper and lower wall components form a conical shape, making the light-emitting surface 5 larger than the total reflection surface 4 in the lamp direction. The total internal reflection surface 4 has a convex arc-shaped structure. After the light beam is shaped by the aspherical surface, it illuminates the light-emitting surface. After refraction, the light from the light-emitting surface achieves uniform brightness in the target area. The total internal reflection surface 4 has a stepped structure with concave and convex surfaces. The upper part of the stepped surface reflects the light to the upper part of the light-emitting surface 5, and the lower part reflects the light to the lower part of the light-emitting surface 5. The light is reflected sequentially in between, and finally, after refraction by the light-emitting surface, the light propagates along the reference direction of the luminaire. The total internal reflection surface 4 has multiple convex spherical pattern structures. The function of the microstructure pattern is to diffuse the total internal reflection light at a certain angle. The arch height of the microstructure pattern is relatively high. The diffusion angle is small where the light density is low on the total internal reflection surface, and the arch height of the microstructure pattern is small, resulting in a uniform brightness effect on the target surface.

[0030] The present invention has been described above with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any improvements made using the inventive concept and technical solution of the present invention, or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. A structure for an automotive lamp, characterized in that: The lamp body (1) is equipped with a light source (2), a light-focusing structure (3), a total reflection surface (4), and a light-emitting surface (5). The total reflection surface (4) is set as a non-straight surface structure. The total reflection surface (4) is a convex arc surface structure, or a concave-convex step structure, or a structure with multiple convex spherical patterns.

2. The automotive lighting structure according to claim 1, characterized in that: The light source (2) is aligned with the focusing structure (3), and the focusing structure (3) is close to the total reflection surface (4).

3. The automotive lighting structure according to claim 1 or 2, characterized in that: The total reflection surface (4) is aligned with the light-emitting surface (5).

4. The automotive lighting structure according to claim 3, characterized in that: The light-emitting surface (5) has an uneven, sawtooth structure, and the outer surface of the light-emitting surface (5) is the target surface (6).

5. The automotive lighting structure according to claim 1 or 2, characterized in that: When the total reflection surface (4) is a convex arc-shaped surface structure, the total reflection surface (4) is a structure that convexes towards the light-concentrating structure (3).

6. The automotive lamp structure according to claim 1 or 2, characterized in that: When the total reflection surface (4) is a stepped structure with concave and convex surfaces, the stepped structure is formed by multiple bent surfaces, and two adjacent bent surfaces form an obtuse angle structure.

7. The automotive lamp structure according to claim 1 or 2, characterized in that: When the total reflection surface (4) is a structure with multiple convex spherical patterns, the multiple spherical surfaces are configured to convex towards the light-concentrating structure (3), and there is a concave part (7) between adjacent spherical surfaces.

8. The automotive lamp structure according to claim 1 or 2, characterized in that: The light-emitting surface (5) includes an upper part (8) and a lower part (9) of the light-emitting surface.

9. The automotive lighting structure according to claim 8, characterized in that: The light-emitting surface (5) connects the upper wall component (10) and the lower wall component (11), and the upper wall component (10) and the lower wall component (11) have a V-shaped structure.

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