CN219102781U - Multi-surface luminous car lamp structure - Google Patents
Multi-surface luminous car lamp structure Download PDFInfo
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- CN219102781U CN219102781U CN202320243558.7U CN202320243558U CN219102781U CN 219102781 U CN219102781 U CN 219102781U CN 202320243558 U CN202320243558 U CN 202320243558U CN 219102781 U CN219102781 U CN 219102781U
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Abstract
The utility model discloses a multi-surface luminous car lamp structure, which comprises a multi-surface annular thick-wall light guide body, wherein the light inlet end of the thick-wall light guide body is provided with a collimation structure; the thick-wall light guide body is formed by connecting a plurality of light guides end to end; the outer side of each light conductor is a light guide surface, and the inner side of each light conductor is a reflecting surface; light emitted by the light source enters the nearest two adjacent light guides symmetrically on two sides after being collimated by the collimating structure, the light is totally reflected to the opposite light guide surface by the first reflecting surface, one part of the light is emitted from the light guide surface, the other part of the light is totally reflected to the next light guide body by the light guide surface, and is totally reflected in the next light guide body, one part of the light is emitted from the light guide surface of the next light guide body, the other part of the light is continuously transmitted to the next light guide body to be totally reflected, and the process is repeated. The utility model adopts a multi-surface light-emitting structure, can replace a multi-directional light-emitting LED, has more uniform lighting effect and more attractive visual angle effect.
Description
Technical Field
The utility model relates to the technical field of automobile lamps, in particular to a multi-surface luminous car lamp structure.
Background
With the rapid development of automobile lamp technology, users pursue gradual diversification of lamp modeling, the attractive degree is also an important consideration, and general light rays are emitted from LEDs and then emitted from a light emitting surface after passing through a series of action devices, so that the effect of more uniform lighting of the automobile lamp is achieved.
However, in the conventional lamps, the internal light-emitting scheme is mostly unidirectional light-emitting in the direction of the light-emitting surface, the optical utilization rate is not high, the light-emitting angle is limited, the uniformity of lighting is insufficient from the external visual effect, and even a dark area may exist. Of course, some lamps use a plurality of LEDs in different directions to make up for the uniformity and the deficiency of dark areas, but the cost is increased.
Disclosure of Invention
The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide the multi-surface luminous car lamp structure which adopts a multi-surface luminous structure, can replace a multi-directional luminous LED, has more uniform lighting effect and more attractive visual angle effect.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
the multi-surface luminous car lamp structure comprises a multi-surface annular thick-wall light guide body, wherein a collimation structure is arranged at the light inlet end of the thick-wall light guide body;
the thick-wall light guide body is formed by connecting a plurality of light guides end to end;
the outer side of each light conductor is a light guide surface, and the inner side of each light conductor is a reflecting surface;
light emitted by the light source enters the nearest two adjacent light guides symmetrically on two sides after being collimated by the collimating structure, the light is totally reflected to the opposite light guide surface by the first reflecting surface, one part of the light is emitted from the light guide surface, the other part of the light is totally reflected to the next light guide body by the light guide surface, and is totally reflected in the next light guide body, one part of the light is emitted from the light guide surface of the next light guide body, the other part of the light is continuously transmitted to the next light guide body to be totally reflected, and the process is repeated.
Further, the thick-wall light guide body comprises four light conductors, namely a first light conductor, a second light conductor, a third light conductor and a fourth light conductor which are connected in sequence;
the outer side of the first light conductor is a first light guide surface, and the inner side of the first light conductor is a first reflecting surface;
the outer side of the second light conductor is a second light guide surface, and the inner side of the second light conductor is a second reflecting surface;
the outer side of the third light conductor is a third light guide surface, and the inner side of the third light conductor is a third reflecting surface;
the outer side of the fourth light conductor is a fourth light guide surface, and the inner side of the fourth light conductor is a fourth reflecting surface;
the collimating structure is a condenser, and the condenser is arranged at the connecting end of the first light conductor and the fourth light conductor;
light emitted by the light source can enter the first light conductor and the fourth light conductor in a bilateral symmetry way after being collimated by the condenser, and is totally internally reflected and propagated in the multi-surface thick-wall light conductor body formed by the first light conductor, the second light conductor, the third light conductor and the fourth light conductor, and can exit from the first light guide surface, the second light guide surface, the third light guide surface and the fourth light guide surface.
Further, the thick-wall light guide body is made of transparent PC or PMMA.
Further, the condenser is a circular condenser or a nested condenser or a stretching condenser.
Further, microstructures for reflection are processed on the first reflecting surface, the second reflecting surface, the third reflecting surface and the fourth reflecting surface.
Further, the microstructure is a densely distributed spherical groove.
Further, the diameter of the spherical grooves is 0.5mm, and the distance between adjacent spherical grooves is 0.2mm.
Further, the first light guiding surface is parallel to the first reflecting surface, the second light guiding surface is parallel to the second reflecting surface, the third light guiding surface is parallel to the third reflecting surface, and the fourth light guiding surface is parallel to the fourth reflecting surface;
the included angles among adjacent ones of the first light conductor, the second light conductor, the third light conductor and the fourth light conductor are 90 degrees;
the light entering direction of the condenser forms an included angle of 45 degrees with the first light conductor, and the light entering direction of the condenser also forms an included angle of 45 degrees with the fourth light conductor.
By adopting the technical scheme, the utility model has the following beneficial effects:
1. the light guide structure adopts four-side multi-angle light emission, namely multi-direction multi-surface light emission, the light emission angle is large, the existence of a dark area is prevented, and the lighting effect is better. The light source is characterized in that the light source is provided with a plurality of light guide surfaces, the light guide surfaces are arranged on the inner side and the outer side of the light guide surfaces, the light guide surfaces are connected and matched with each other in an angle mode, light rays can be transmitted in the light guide surfaces in a total reflection mode, part of the light rays can be transmitted continuously, light loss is reduced, the light utilization rate is higher, the lighting effect of each surface is more uniform and cool and unique, visual permeation and attractive appearance are achieved, and the light source is simple and three-dimensional and attractive.
2. The LED light source can replace a multi-surface multi-directional light emitting LED, only one LED light source in one direction is needed, the cost of the light source is reduced, and the light utilization rate is improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of another view of the present utility model;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 1;
FIG. 4 is a schematic top view of the present utility model;
FIG. 5 is a schematic diagram of a first optical path according to the present utility model;
FIG. 6 is a second schematic diagram of the light path of the present utility model;
FIG. 7 is a third schematic diagram of the light path of the present utility model;
1, a first light conductor; 11. a first light guide surface; 12. a first reflecting surface; 2. a second light conductor; 21. a second light guide surface; 22. a second reflecting surface; 3. a third light conductor; 31. a third light guide surface; 32. a third reflective surface; 4. a fourth light conductor; 41. a fourth light guide surface; 42. a fourth reflecting surface; 400. a spherical groove; 5. a condenser.
Detailed Description
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 4, in this embodiment, a multi-surface luminous vehicle lamp structure is provided, the main body of which is composed of a thick-wall light guide body with square ring shape on four sides, and the material of the thick-wall light guide body is transparent PC or PMMA.
The thick-wall light guide body can be subdivided into four light guides which are connected end to end and integrally combined, the four light guides are respectively a first light guide body 1, a second light guide body 2, a third light guide body 3 and a fourth light guide body 4 which are connected in sequence, and the included angles between the adjacent four light guides are all 90 degrees. The four optical conductors are provided with two optical surfaces, namely, the outer side of the first optical conductor 1 is a first light guide surface 11, the inner side of the first optical conductor is a first reflecting surface 12, and the first light guide surface 11 is parallel to the first reflecting surface 12; the second light conductor 2 has a second light guiding surface 21 on the outer side and a second reflecting surface 22 on the inner side, and the second light guiding surface 21 is parallel to the second reflecting surface 22; the outer side of the third light conductor 3 is a third light guide surface 31, the inner side of the third light conductor 3 is a third reflecting surface 32, and the third light guide surface 31 is parallel to the third reflecting surface 32; the fourth light guide surface 41 is arranged on the outer side of the fourth light guide body 4, the fourth reflecting surface 42 is arranged on the inner side of the fourth light guide body, and the fourth light guide surface 41 is parallel to the fourth reflecting surface 42.
Meanwhile, a collimation structure is further arranged at the light inlet end of the thick-wall light guide body, namely, the right-angle connection end of the first light conductor 1 and the fourth light conductor 4, the collimation structure is a condenser 5, the condenser 5 is a circular condenser, and a nested condenser, a stretching condenser or the like can be selected. The whole condenser 5 is divided into two halves corresponding to the first light conductor 1 and the fourth light conductor 4 respectively, and the light entering direction of the condenser 5 forms an included angle of 45 degrees with the first light conductor 1, and the light entering direction of the condenser 5 forms an included angle of 45 degrees with the fourth light conductor 4, namely, the first light conductor 1 and the fourth light conductor 4 form a symmetrical state about the central line of the condenser 5.
In order to realize light reflection, microstructures are processed on the first reflecting surface 12, the second reflecting surface 22, the third reflecting surface 32 and the fourth reflecting surface 42, and the microstructures can destroy the total internal reflection of part of light rays to make the light rays smoothly exit, and the microstructures are specifically densely distributed spherical grooves 400, the diameter of each spherical groove 400 is 0.5mm, and the interval between adjacent spherical grooves 400 is 0.2mm. Of course, the microstructure is not limited to a spherical structure, and can be a light guide tooth or the like, and the arrangement, the size, the angle and the like of the microstructure can be adjusted according to practical requirements of use.
The light guide structure in the vehicle lamp according to this embodiment is used for diffusing light sources, and the LED light source emits light during operation, and referring to the structures shown in fig. 1-4 and the light path diagrams shown in fig. 5-7, the light emitted by the LED light source is first collimated by the condenser 5 and then enters the first light guide 1 and the fourth light guide 4 symmetrically on both sides, and then totally internally reflected and propagated in the four-sided thick-wall light guide body formed by the first light guide 1, the second light guide 2, the third light guide 3 and the fourth light guide 4, and can exit from the first light guide surface 11, the second light guide surface 21, the third light guide surface 31 and the fourth light guide surface 41.
Referring specifically to fig. 5-7, the left half of the light is collimated by the condenser 5 and then is incident on the first reflecting surface 12, is totally reflected by the first reflecting surface 12 to the opposite first light guiding surface 11, and a part of the light is emitted from the first light guiding surface 11 as shown in fig. 5, another part of the light is totally reflected by the first light guiding surface 11 to the second light guiding surface 2 as shown in fig. 6, is totally reflected by the second reflecting surface 22 to the opposite second light guiding surface 21, a part of the light is emitted from the second light guiding surface 21 as shown in fig. 6, another part of the light is totally reflected by the second light guiding surface 21 to the third light guiding surface 3 as shown in fig. 7, is totally reflected by the third light guiding surface 3, and is emitted from the third light guiding surface 31 and propagates to the fourth light guiding surface 41 by repeating the optical path principle described above. Similarly, the right half light is collimated by the condenser 5 and then is emitted onto the fourth reflecting surface 42, and the light path is symmetrical with the light path principle of the left half light.
As can be seen from the above design of the present embodiment, the light guide structure adopts four-side multi-angle light emission, that is, multi-direction multi-surface light emission, and the light emission angle is large, so that the existence of dark areas is prevented, and the lighting effect is better. The light source is characterized in that the light source is provided with a plurality of light guide surfaces, the light guide surfaces are arranged on the inner side and the outer side of the light guide surfaces, the light guide surfaces are connected and matched with each other in an angle mode, light rays can be transmitted in the light guide surfaces in a total reflection mode, part of the light rays can be transmitted continuously, light loss is reduced, the light utilization rate is higher, the lighting effect of each surface is more uniform and cool and unique, visual permeation and attractive appearance are achieved, and the light source is simple and three-dimensional and attractive.
Meanwhile, the embodiment can replace a multi-surface multidirectional luminous LED, only an LED light source in one direction is needed, the cost of the light source is reduced, and the light utilization rate is improved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The technical problems, technical solutions and beneficial effects that the present utility model solves are further described in detail in the above specific embodiments, it should be understood that the above description is only specific embodiments of the present utility model and is not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. that fall within the spirit and principles of the present utility model should be included in the scope of protection of the present utility model.
Claims (8)
1. A car light structure that multiaspect is luminous, its characterized in that: the light guide comprises a multi-surface annular thick-wall light guide body, wherein a collimation structure is arranged at a light inlet end of the thick-wall light guide body;
the thick-wall light guide body is formed by connecting a plurality of light guides end to end;
the outer side of each light conductor is a light guide surface, and the inner side of each light conductor is a reflecting surface;
light emitted by the light source enters the nearest two adjacent light guides symmetrically on two sides after being collimated by the collimating structure, the light is totally reflected to the opposite light guide surface by the first reflecting surface, one part of the light is emitted from the light guide surface, the other part of the light is totally reflected to the next light guide body by the light guide surface, and is totally reflected in the next light guide body, one part of the light is emitted from the light guide surface of the next light guide body, the other part of the light is continuously transmitted to the next light guide body to be totally reflected, and the process is repeated.
2. The multi-faceted light emitting lamp structure of claim 1, wherein: the thick-wall light guide body comprises four light conductors, namely a first light conductor (1), a second light conductor (2), a third light conductor (3) and a fourth light conductor (4) which are connected in sequence;
the outer side of the first light conductor (1) is a first light guide surface (11), and the inner side of the first light conductor is a first reflecting surface (12);
the outer side of the second light conductor (2) is a second light guide surface (21), and the inner side of the second light conductor is a second reflecting surface (22);
the outer side of the third light conductor (3) is a third light guide surface (31), and the inner side of the third light conductor is a third reflecting surface (32);
the outer side of the fourth light conductor (4) is a fourth light guide surface (41), and the inner side of the fourth light conductor is a fourth reflecting surface (42);
the collimating structure is a condenser (5), and the condenser (5) is arranged at the connecting end of the first light conductor (1) and the fourth light conductor (4);
light emitted by the light source can enter the first light conductor (1) and the fourth light conductor (4) in a bilateral symmetry mode after being collimated by the condenser (5), and is totally internally reflected and propagated in a multi-surface thick-wall light guide body formed by the first light conductor (1), the second light conductor (2), the third light conductor (3) and the fourth light conductor (4), and can be emitted from the first light guide surface (11), the second light guide surface (21), the third light guide surface (31) and the fourth light guide surface (41).
3. A multi-faceted light emitting vehicle lamp structure according to claim 2, wherein: the thick-wall light guide body is made of transparent PC or PMMA.
4. A multi-faceted light emitting vehicle lamp structure according to claim 2, wherein: the condenser (5) is a circular condenser or a nested condenser or a stretching condenser.
5. A multi-faceted light emitting vehicle lamp structure according to claim 2, wherein: microstructures for reflection are processed on the first reflecting surface (12), the second reflecting surface (22), the third reflecting surface (32) and the fourth reflecting surface (42).
6. The multi-faceted light emitting lamp structure of claim 5, wherein: the microstructure is a dense spherical groove (400).
7. The multi-faceted light emitting lamp structure of claim 6, wherein: the diameter of the spherical grooves (400) is 0.5mm, and the interval between the adjacent spherical grooves (400) is 0.2mm.
8. A multi-faceted light emitting vehicle lamp structure according to claim 2, wherein: the first light guide surface (11) is parallel to the first reflecting surface (12), the second light guide surface (21) is parallel to the second reflecting surface (22), the third light guide surface (31) is parallel to the third reflecting surface (32), and the fourth light guide surface (41) is parallel to the fourth reflecting surface (42);
the included angles between adjacent first light conductors (1), second light conductors (2), third light conductors (3) and fourth light conductors (4) are 90 degrees;
the light entering direction of the condenser (5) forms an included angle of 45 degrees with the first light conductor (1), and the light entering direction of the condenser (5) also forms an included angle of 45 degrees with the fourth light conductor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243558.7U CN219102781U (en) | 2023-02-17 | 2023-02-17 | Multi-surface luminous car lamp structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320243558.7U CN219102781U (en) | 2023-02-17 | 2023-02-17 | Multi-surface luminous car lamp structure |
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| Publication Number | Publication Date |
|---|---|
| CN219102781U true CN219102781U (en) | 2023-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320243558.7U Active CN219102781U (en) | 2023-02-17 | 2023-02-17 | Multi-surface luminous car lamp structure |
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| CN (1) | CN219102781U (en) |
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- 2023-02-17 CN CN202320243558.7U patent/CN219102781U/en active Active
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