Functional multiplexing thick-wall part structure and vehicle lamp
By using a light conductor and collimating part design with thick-walled parts in the car light and combined with the bracket, the defocusing problem of multi-functional shared light outlet is solved, achieving uniform and efficient light output, and improving the light efficiency of the car light.
Patent Information
- Application Number
- CN202422471292.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-12
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-10-12
AI Technical Summary
Among the existing car light technology, the multi-function shared light outlet is not efficient at high light efficiency, and defocusing problems are prone to occur.
The thick-walled part structure with functional multiplexing is adopted, including a light conductor, a first collimating part and a second collimating part, which is arranged side by side on the light conductor. In combination with the bracket design, it ensures that light is guided through the corresponding light guide part to avoid defocusing and improve light efficiency.
The lighting effect of the multi-function shared light outlet is realized, and the light output is uniform and efficient, improving the light efficiency of the headlight system.
Smart Images

Figure CN223153366U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vehicle lamps, and particularly relates to a thick-wall part structure with function multiplexing and a vehicle lamp. Background Technique
[0002] With the rapid development of automotive headlamp technology, users' pursuit of lamp shapes has gradually become diversified, and aesthetics is also an important consideration factor. The lighting appearance effect of multiple functions sharing one light-emitting port is also the mainstream form in the current vehicle lamp technology field. In traditional projects, after the light emitted from the LED passes through a series of acting devices, it is then emitted from the light-emitting surface. To achieve the lighting effect of multiple functions sharing the light-emitting port, the existing multiplexing solutions usually share a single PCB board, and two functions of light are set on one PCB board. In this way, the light of one function will be defocused, so the light efficiency of the entire vehicle lamp system is not high. Content of the Utility Model
[0003] In view of this, in order to solve the problems existing in the prior art, the purpose of the present utility model is to provide a thick-wall part structure with function multiplexing and a vehicle lamp, which has the effects of non-defocusing and uniform and efficient light emission.
[0004] In order to achieve the above purpose, the technical solution adopted by the present utility model is as follows:
[0005] A thick-wall part structure with function multiplexing, including: a thick-wall part body and a bracket. The thick-wall part body includes a light conductor, a first collimating part, and a second collimating part. The first collimating part and the second collimating part are arranged side by side on the light conductor along the length direction of the light conductor. The incident end of the light conductor is obliquely provided with a first light guiding part, and the light-emitting end of the light conductor is provided with a light-emitting surface. The first collimating part and the second collimating part are arranged at the same end of the light conductor as the first light guiding part and are both located above the first light guiding part. The uppermost end of the first light guiding part is connected to the outermost edge of the first collimating part close to the second collimating part;
[0006] The bracket is arranged behind one end of the thick-wall part body, and a second light guiding part is arranged on the bracket. The second light guiding part, the first light guiding part, and the light-emitting surface are arranged in sequence along the length direction of the light conductor. The second collimating part is arranged above the second light guiding part.
[0007] The specific technical effect is that by arranging a bracket behind the thick-wall part body, it is ensured that there will be no defocusing problem even when sharing a single PCB board. The first collimating part and the second collimating part share the light-emitting surface of one light conductor to achieve the lighting effect of multiple functions sharing the light-emitting port. Moreover, the first light guiding part and the second light guiding part are respectively designed below them to ensure that the light of each function can be guided out through the corresponding light guiding part. Without defocusing, the light emission is uniform and efficient, and the light efficiency utilization of the entire vehicle lamp system is higher.
[0008] Further, the first light guide part includes a plurality of alternately connected first total reflection surfaces and first refraction surfaces. The first total reflection surfaces are inclined, and the first refraction surfaces are arranged vertically. The second light guide part includes a plurality of alternately connected second total reflection surfaces and second refraction surfaces. The second total reflection surfaces are inclined, and the second refraction surfaces are arranged vertically. Each first total reflection surface is correspondingly arranged with a second refraction surface, and each second total reflection surface is correspondingly arranged with a first refraction surface.
[0009] The specific technical effect is that: the design of such corresponding arrangement ensures that the light rays hitting the second total reflection surface can be reflected to the first refraction surface, and then exit from the light-emitting surface through the light conductor.
[0010] Further, the included angle range between the first total reflection surface and the light-emitting direction is 40° - 50°, the included angle range between the first refraction surface and the light-emitting direction is 80° - 100°, the included angle range between the second total reflection surface and the light-emitting direction is 40° - 50°, and the included angle range between the second refraction surface and the light-emitting direction is 80° - 100°.
[0011] Further, the projection distances of the first total reflection surface and the second refraction surface along the vertical direction are equal, and the projection distances of the first refraction surface and the second total reflection surface along the vertical direction are equal.
[0012] The specific technical effect is that: the purpose of this design is to achieve the maximum utilization of light rays, and it can be specifically adjusted and designed according to actual applications.
[0013] Further, the bracket further includes a connecting part. One end of the connecting part is connected to the lower end of the second light guide part, and the other end of the connecting part extends towards the light-emitting surface and is connected to the lower end of the light conductor.
[0014] The specific technical effect is that: the connecting part is designed to play a role in connecting and fixing the bracket.
[0015] Further, the first collimating part includes a plurality of first collimators, and the plurality of first collimators are arranged and distributed along the width direction of the light conductor. The second collimating part includes a plurality of second collimators, and the plurality of second collimators are arranged and distributed along the width direction of the light conductor.
[0016] Further, a collimator reflection surface is provided on the inner side wall of each first collimator and each second collimator.
[0017] The specific technical effect is that: the collimator reflection surface is for enabling the light rays emitted by the LED light to be collimated and hit the first light guide part and the second light guide part.
[0018] Further, aluminum is plated on the side wall surface of the second light guide portion facing the first light guide portion.
[0019] The specific technical effect is that the purpose of aluminum plating is to increase the reflection efficiency.
[0020] Further, corn grain patterns or leather patterns are provided on the light-emitting surface.
[0021] The specific technical effect is that other patterns can be actually set according to requirements, and the purpose is to increase the light-emitting uniformity.
[0022] A vehicle lamp, which includes a PCB board and the thick-walled part structure with function multiplexing as described in any one of the above. The PCB board is disposed above the thick-walled part body. The PCB board includes two groups of LED lights. One group of the LED lights is located above the first collimating portion, and the optical axis of this group of LED lights and the center of the first light guide portion are in the same plane. The other group of LED lights is located above the second collimating portion, and the optical axis of this group of LED lights and the center of the second light guide portion are in the same plane. The distance between the first light guide portion and the second light guide portion is equal to the distance between the optical axes of the two groups of LED lights.
[0023] The specific technical effect is that one group of LED lights is incident on the first collimating portion. After being collimated by the first collimating portion, it hits the first total reflection surface. After total reflection by it, it enters the light conductor, and then refracts out of the light-emitting surface. The other group of LED lights is incident on the second collimating portion. After being collimated by the second collimating portion, it hits the second total reflection surface. After total reflection by it into the air, it then refracts into the light conductor from the first refraction surface, and then refracts out of the light-emitting surface.
[0024] The beneficial effects of the present utility model are as follows:
[0025] By providing a bracket behind the thick-walled part body, it is ensured that there will be no defocus problem even when sharing a single PCB board. The first collimating portion and the second collimating portion share the light-emitting surface of a single light conductor, achieving the lighting effect of a multi-functional shared light-emitting port. And the first light guide portion and the second light guide portion are respectively designed below it, ensuring that the light of each function can be guided and emitted through the corresponding light guide portion. Without defocus, the light-emitting is uniform and efficient, and the light efficiency utilization of the entire vehicle lamp system is higher.
[0026] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following specifically gives preferred embodiments and, in conjunction with the accompanying drawings, makes a detailed description as follows. Description of the Drawings
[0027] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0028] Figure 1 is the optical path diagram of the vehicle lamp of the present utility model;
[0029] Figure 2 is the top view of the thick-walled part structure with function multiplexing of the present utility model;
[0030] Figure 3 is Figure 2 the right view of;
[0031] Figure 4 is the structural schematic diagram of the thick-walled part body of the present utility model;
[0032] Figure 5 is the structural schematic diagram of the bracket of the present utility model;
[0033] Figure 6 is Figure 1 the enlarged view of part A in;
[0034] In the figure:
[0035] 1. Thick-walled part body; 2. Bracket; 3. Light conductor; 4. First collimating part; 5. Second collimating part; 6. First light guiding part; 7. Light emitting surface; 8. Second light guiding part; 9. First total reflection surface; 10. First refraction surface; 11. Second total reflection surface; 12. Second refraction surface; 13. Connection part; 14. First collimator; 15. Second collimator; 16. PCB board; 17. LED light. Specific embodiments
[0036] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions of the present utility model in conjunction with the drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.
[0037] Such as Figures 1 to 6As shown in the figure, there is a thick-walled component structure with function multiplexing, including: a thick-walled component body 1 and a bracket 2. The thick-walled component body 1 includes a light conductor 3, a first collimating part 4 and a second collimating part 5. The first collimating part 4 and the second collimating part 5 are arranged side by side along the length direction of the light conductor 3 on the light conductor 3. The incident end of the light conductor 3 is inclined with a first light guiding part 6, and the outgoing end of the light conductor 3 is provided with an outgoing light surface 7. The first collimating part 4 and the second collimating part 5 are arranged at the same end of the light conductor 3 as the first light guiding part 6 and are both located above the first light guiding part 6. The uppermost end of the first light guiding part 6 is connected to the outermost edge of the first collimating part 4 on the side close to the second collimating part 5;
[0038] The bracket 2 is arranged behind one end of the thick-walled component body 1. A second light guiding part 8 is arranged on the bracket 2. The second light guiding part 8, the first light guiding part 6 and the outgoing light surface 7 are arranged in sequence along the length direction of the light conductor 3. The second collimating part 5 is arranged above the second light guiding part 8.
[0039] It should be noted here that: by arranging the bracket 2 behind the thick-walled component body 1, it is ensured that there will be no defocus problem even when sharing a single PCB board 16. The first collimating part 4 and the second collimating part 5 share the outgoing light surface 7 of a single light conductor 3, achieving the lighting effect of a multi-functional shared outgoing light port. Moreover, the first light guiding part 6 and the second light guiding part 8 are respectively designed below them to ensure that the light of each function can be guided and emitted through the corresponding light guiding part. Without defocus, the outgoing light is uniform and efficient, and the light efficiency of the entire vehicle lamp system is utilized more highly.
[0040] The first light guiding part 6 includes a plurality of alternately connected first total reflection surfaces 9 and first refraction surfaces 10. The first total reflection surfaces 9 are inclined, and the first refraction surfaces 10 are vertical. The second light guiding part 8 includes a plurality of alternately connected second total reflection surfaces 11 and second refraction surfaces 12. The second total reflection surfaces 11 are inclined, and the second refraction surfaces 12 are vertical. Each first total reflection surface 9 is correspondingly arranged with a second refraction surface 12, and each second total reflection surface 11 is correspondingly arranged with a first refraction surface 10.
[0041] It should be noted here that: adopting this corresponding arrangement design ensures that the light hitting the second total reflection surface 11 can be reflected onto the first refraction surface 10, and then exits through the light conductor 3 from the outgoing light surface 7.
[0042] The included angle range between the first total reflection surface 9 and the outgoing light direction is 40° - 50°. The included angle range between the first refraction surface 10 and the outgoing light direction is 80° - 100°. The included angle range between the second total reflection surface 11 and the outgoing light direction is 40° - 50°. The included angle range between the second refraction surface 12 and the outgoing light direction is 80° - 100°.
[0043] In practice, the angles of each part can be adjusted according to actual requirements and lighting effects.
[0044] The projection distances of the first total reflection surface 9 and the second refraction surface 12 in the vertical direction are equal, and the projection distances of the first refraction surface 10 and the second total reflection surface 11 in the vertical direction are equal.
[0045] It should be noted here that: the purpose of this design is to maximize the utilization of light, and it can be adjusted and designed according to actual applications.
[0046] The bracket 2 further includes a connecting portion 13. One end of the connecting portion 13 is connected to the lower end of the second light guide portion 8, and the other end of the connecting portion 13 extends towards the light exit surface 7 and is connected to the lower end of the light conductor 3.
[0047] It should be noted here that: the connecting portion 13 is designed to connect and fix the bracket 2.
[0048] The first collimating portion 4 includes a plurality of first collimators 14, and the plurality of first collimators 14 are arranged and distributed along the width direction of the light conductor 3. The second collimating portion 5 includes a plurality of second collimators 15, and the plurality of second collimators 15 are arranged and distributed along the width direction of the light conductor 3.
[0049] A collimator reflection surface is provided on the inner side wall of each first collimator 14 and each second collimator 15.
[0050] It should be noted here that: the collimator reflection surface is for enabling the light emitted by the LED light 17 to be collimated and hit on the first light guide portion 6 and the second light guide portion 8.
[0051] The side wall surface of the second light guide portion 8 facing the first light guide portion 6 is aluminized.
[0052] It should be noted here that: the purpose of aluminizing is to increase the reflection efficiency.
[0053] The light exit surface 7 is provided with corn kernel patterns or leather patterns.
[0054] It should be noted here that: other patterns can be set according to actual needs, and the purpose is to increase the light output uniformity.
[0055] A vehicle lamp, which includes a PCB board 16 and the thick-walled part structure with multiplexed functions as described in any one of the above. The PCB board 16 is arranged above the thick-walled part body 1. The PCB board 16 includes two groups of LED lights 17. One group of LED lights 17 is located above the first collimating portion 4, and the optical axis of this LED light 17 and the center of the first light guide portion 6 are in the same plane. The other group of LED lights 17 is located above the second collimating portion 5, and the optical axis of this LED light 17 and the center of the second light guide portion 8 are in the same plane. The distance between the first light guide portion 6 and the second light guide portion 8 is equal to the distance between the optical axes of the two groups of LED lights 17.
[0056] It should be noted here that: One group of LED lights 17 is incident on the first collimating part 4, and after being collimated by the first collimating part 4, it hits the first total reflection surface 9. After total reflection by it, it enters the light conductor 3, and then light is refracted out from the light-emitting surface 7; the other group of LED lights 17 is incident on the second collimating part 5, and after being collimated by the second collimating part 5, it hits the second total reflection surface 11. After total reflection by it into the air, it then enters the light conductor 3 through refraction from the first refracting surface 10, and then light is refracted out from the light-emitting surface 7.
[0057] The thick-walled part body 1 can be made of transparent materials such as PMMA or PC.
[0058] The two groups of LED lights 17 are not limited in color and can be the same or any combination of two of the colors such as red, white, and yellow.
[0059] In summary, the beneficial effects of the present utility model are as follows:
[0060] By arranging the bracket 2 behind the thick-walled part body 1, it is ensured that there will be no defocus problem even when sharing a common PCB board 16. The first collimating part 4 and the second collimating part 5 share the light-emitting surface 7 of a light conductor 3 to achieve the lighting effect of a multi-functional shared light-emitting port. And the first light guide part 6 and the second light guide part 8 are respectively designed below it to ensure that the light of each function can be guided and emitted through the light guide part corresponding to it. While there is no defocus, the light emission is uniform and efficient, and the light efficiency utilization of the entire vehicle lamp system is higher.
[0061] Each device selected in this application is a general standard part or a component known to those skilled in the art, and its structure and principle can be known to those skilled in the art through technical manuals or obtained through conventional experimental methods.
[0062] In the description of the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0063] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0064] Taking the above-mentioned ideal embodiment of the present utility model as an inspiration, through the above description, relevant staff can completely make various changes and modifications without departing from the technical idea of this utility model. The technical scope of this utility model is not limited to the content in the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A thick-walled part structure with function multiplexing, characterized in that Comprising: A thick-walled part body (1) and a bracket (2), the thick-walled part body (1) includes an optical conductor (3), a first collimating part (4) and a second collimating part (5), the first collimating part (4) and the second collimating part (5) are arranged side by side along the length direction of the optical conductor (3) on the optical conductor (3), a first light guiding part (6) is inclined at the light incident end of the optical conductor (3), a light emitting surface (7) is arranged at the light emitting end of the optical conductor (3), the first collimating part (4) and the second collimating part (5) are arranged at the same end of the optical conductor (3) as the first light guiding part (6) and are both located above the first light guiding part (6), and the uppermost end of the first light guiding part (6) is connected to the outermost edge of the first collimating part (4) on the side close to the second collimating part (5); The bracket (2) is arranged behind one end of the thick-walled part body (1), a second light guiding part (8) is arranged on the bracket (2), the second light guiding part (8), the first light guiding part (6) and the light emitting surface (7) are arranged in sequence along the length direction of the optical conductor (3), and the second collimating part (5) is arranged above the second light guiding part (8).
2. The thick-walled component structure with function multiplexing as described in claim 1, wherein The first light guiding part (6) includes a plurality of alternately connected first total reflection surfaces (9) and first refraction surfaces (10), the first total reflection surfaces (9) are inclined, the first refraction surfaces (10) are arranged vertically, the second light guiding part (8) includes a plurality of alternately connected second total reflection surfaces (11) and second refraction surfaces (12), the second total reflection surfaces (11) are inclined, the second refraction surfaces (12) are arranged vertically, each first total reflection surface (9) is correspondingly arranged with a second refraction surface (12), and each second total reflection surface (11) is correspondingly arranged with a first refraction surface (10).
3. The thick-walled part structure with function multiplexing as described in claim 2, characterized in that The included angle between the first total reflection surface (9) and the light emitting direction ranges from 40° to 50°, the included angle between the first refraction surface (10) and the light emitting direction ranges from 80° to 100°, the included angle between the second total reflection surface (11) and the light emitting direction ranges from 40° to 50°, and the included angle between the second refraction surface (12) and the light emitting direction ranges from 80° to 100°.
4. The thick-walled part structure with function multiplexing as described in claim 2, characterized in that, The projection distances of the first total reflection surface (9) and the second refraction surface (12) along the vertical direction are equal, and the projection distances of the first refraction surface (10) and the second total reflection surface (11) along the vertical direction are equal.
5. The thick-walled part structure with function multiplexing as described in claim 1, characterized in that The bracket (2) further includes a connecting part (13), one end of the connecting part (13) is connected to the lower end of the second light guiding part (8), and the other end of the connecting part (13) extends towards the direction of the light emitting surface (7) and is connected to the lower end of the optical conductor (3).
6. The thick-walled part structure with function multiplexing as described in claim 1, characterized in that, The first collimating part (4) includes a plurality of first collimators (14), and the plurality of first collimators (14) are arranged and distributed along the width direction of the light conductor (3). The second collimating part (5) includes a plurality of second collimators (15), and the plurality of second collimators (15) are arranged and distributed along the width direction of the light conductor (3).
7. The thick-walled part structure with function multiplexing as described in claim 6, characterized in that, A collimator reflecting surface is provided on the inner side wall of each first collimator (14) and each second collimator (15).
8. The thick-walled component structure with function multiplexing as described in claim 1, characterized in that, The side wall surface of the second light guiding part (8) facing the first light guiding part (6) is aluminized.
9. The thick-walled part structure with function multiplexing as described in claim 1, characterized in that The light emitting surface (7) is provided with corn grain patterns or leather patterns.
10. A vehicle lamp, characterized in that, It includes a PCB board (16) and the thick wall part structure with function multiplexing as described in any one of claims 1 to 9. The PCB board (16) is arranged above the thick wall part body (1). The PCB board (16) includes two groups of LED lights (17). One group of LED lights (17) is located above the first collimating part (4), and the optical axis of this group of LED lights (17) and the center of the first light guiding part (6) are in the same plane. The other group of LED lights (17) is located above the second collimating part (5), and the optical axis of this group of LED lights (17) and the center of the second light guiding part (8) are in the same plane. The distance between the first light guiding part (6) and the second light guiding part (8) is equal to the distance between the optical axes of the two groups of LED lights (17).