Thick-wall part capable of uniformly emitting light, vehicle lamp and vehicle with thick-wall part
By designing a thick-walled part that combines the optical end and the total reflection surface, using the optical principles of multiple refraction and total reflection, the problems of low efficiency and poor uniformity caused by the narrow light outlet of the car lamp are solved, and the effects of efficient light output, good uniformity and high-angle brightness improvement are achieved.
Patent Information
- Application Number
- CN202421950123.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The light outlet of modern car lights is gradually narrowing, resulting in low optical design efficiency and poor lighting uniformity. Existing methods such as increasing the number of LED light sources and increasing the power are difficult to meet customer needs.
A thick-walled piece with uniform light output is designed. By cooperating with the light inlet end and the total reflection surface, the light ray refracts and total reflections in the thick-walled piece and then emits light. Combined with the V-shaped structure and the central total reflection surface, the bright and dark areas of the incident light are adjusted to achieve high light efficiency and good uniformity.
It achieves efficient light output, good uniformity and high-angle brightness improvement, reduces system power consumption, saves production costs, and enhances visual transparency and versatility.
Smart Images
Figure CN222864740U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vehicle lamps, and in particular relates to a thick-walled part with uniform light emission, a vehicle lamp and a vehicle thereof. Background Art
[0002] Due to the changes in the aesthetic requirements of OEMs and market customers for the shape of car lights, car lights are gradually shifting towards miniaturization and diversification, which has led to the light outlets of car lights becoming narrower and narrower. For optical designers, the narrower the light outlet, the lower the efficiency of the narrow light outlet with the same structure and design, and the poor lighting uniformity, which brings obstacles to the optical design to meet the requirements.
[0003] At present, in order to meet the optical design requirements of narrow light outlets, the method adopted is to use a large number of LED light sources or increase the power of the LED light sources to increase the luminous flux of the optical system. However, increasing the number of LED light sources and increasing the power will greatly increase the production cost. Therefore, solving the problem of low efficiency of narrow light outlets by increasing the number of LED light sources and the power is difficult to meet customer needs. Utility Model Content
[0004] In order to solve the above technical problems, the utility model provides a thick-walled part, a car light and a vehicle with uniform light output, which cooperates with the light incident end and the total reflection surface, and outputs light after refraction and multiple total reflections within the system, with high light efficiency. At the same time, the lighting is uniform and the brightness at a large angle is also improved synchronously, which is visually transparent and has strong versatility.
[0005] The utility model provides a thick-walled component with uniform light emission, comprising:
[0006] A thick-walled member body, wherein a light incident end of the thick-walled member body is provided with a light incident surface and a total reflection surface, and a light emitting end of the thick-walled member body is provided with a light emitting surface;
[0007] At least one V-shaped structure is provided on the total reflection surface, and each of the V-shaped structures includes: a first side wall surface and a second side wall surface corresponding thereto;
[0008] The light emitted by the light source enters the thick-walled component body through the light incident surface, and part of the light reaches the first side wall surface on the total reflection surface. The part of the light is totally reflected by the first side wall surface to the corresponding second side wall surface. After the part of the light is totally reflected by the second side wall surface, it is emitted from the light emitting surface through the thick-walled component body;
[0009] Part of the light reaches the second side wall of the total reflection surface, and is totally reflected by the second side wall to the corresponding first side wall. After being totally reflected by the first side wall, the part of the light is emitted from the light emitting surface through the thick-walled member body.
[0010] Furthermore, a plurality of V-shaped structures are provided on the total reflection surface, and adjacent V-shaped structures are connected by a middle total reflection surface. Part of the light reaches the middle total reflection surface of the total reflection surface, and after being totally reflected by the middle total reflection surface, the part of the light is emitted from the light emitting surface through the thick-walled component body.
[0011] Furthermore, the light incident end is a concentrator, and the light source is directed toward a concentrating portion of the concentrator.
[0012] Furthermore, the angle between the first side wall surface and the second side wall surface in the V-shaped structure is in the range of 80-100°.
[0013] Furthermore, a light distribution pattern is provided on the light emitting surface.
[0014] Furthermore, the thick-walled component body is made of PMMA or PC.
[0015] Furthermore, a hollow portion is provided in the thick-walled component body.
[0016] Furthermore, the light color of the light source is one or more of red light, yellow light, and white light.
[0017] The utility model also provides a vehicle lamp, comprising the thick-walled part with uniform light emission.
[0018] The utility model also provides a vehicle, comprising the above-mentioned vehicle lamp.
[0019] The beneficial effects of the utility model are:
[0020] The utility model discloses a thick-walled component with uniform light output. The light input end cooperates with the total reflection surface to divide the light into three parts. The light is output after multiple refractions and total reflections in the thick-walled component. The light efficiency is high and the uniformity is good. Moreover, the multiple refractions and total reflections of the light in the thick-walled component can increase the lighting angle synchronously, making the light transparent. The utility model has a simple structure and is easy to implement. It can effectively reduce the power consumption of the system and save production costs.
[0021] The vehicle lamp and the vehicle of the utility model have the thick-walled part with uniform light emission, and therefore have the advantages of the thick-walled part with uniform light emission.
[0022] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0024] Figure 1 This is a schematic diagram of the structure of a thick-walled component with uniform light output according to the utility model;
[0025] Figure 2 It is a side view of the structure of the thick-walled component with uniform light output of the utility model;
[0026] Figure 3 It is a schematic diagram of the V-shaped structure of the utility model.
[0027] Figure 4 It is a schematic diagram of the connection between the first side wall surface, the second side wall surface and the middle total reflection surface of the utility model.
[0028] In the figure:
[0029] 1. Thick-walled component body; 2. Light input end; 31. V-shaped structure; 32. First side wall surface; 33. Second side wall surface; 34. Middle total reflection surface; 4. Light output end. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0031] like Figures 1 to 4 As shown, it is the best embodiment of the utility model, a thick-walled component with uniform light output, comprising:
[0032] A thick-walled member body 1, a light incident end 2 of the thick-walled member body 1 is provided with a light incident surface and a total reflection surface, a light emitting end 4 of the thick-walled member body 1 is provided with a light emitting surface, the light incident end 2 can be a concentrator, the light source faces the concentrating part of the concentrator, and the light emitted by the light source is incident from the concentrator;
[0033] A plurality of V-shaped structures 31 are provided on the total reflection surface, and any V-shaped structure 31 includes: a first side wall surface 32 and a second side wall surface 33 corresponding thereto;
[0034] The light emitted by the light source enters the thick-walled member body 1 through the light incident surface, and part of the light reaches the first side wall surface 32 on the total reflection surface. The part of the light is totally reflected by the first side wall surface 32 to the corresponding second side wall surface 33. After the part of the light is totally reflected by the second side wall surface 33, it is emitted from the light emitting surface through the thick-walled member body 1.
[0035] Part of the light reaches the second side wall 33 of the total reflection surface, and is totally reflected by the second side wall 33 to the corresponding first side wall 32 . After being totally reflected by the first side wall 32 , the part of the light is emitted from the light emitting surface through the thick-walled component body 1 .
[0036] The adjacent V-shaped structures 31 are connected by the middle total reflection surface 34. Part of the light reaches the middle total reflection surface 34 of the total reflection surface. After being totally reflected by the middle total reflection surface 34, the part of the light is emitted from the light emitting surface through the thick-walled body 1. The light path diagram is as shown in FIG. Figure 1 and Figure 3 As shown, in Figure 3 In order to better illustrate the V-shaped structure 31, a three-dimensional coordinate system is added.
[0037] The utility model discloses a thick-walled component with uniform light output. The light is input in three parts through the cooperation between the light input end 2 and the total reflection surface. The light is output after multiple refractions and total reflections in the thick-walled component. The light efficiency is high and the uniformity is good. By setting a V-shaped structure 31, the first side wall surface 32 and the second side wall surface 33 of the V-shaped structure 31 can adjust the bright area and the dark area of the incident light, so that the light in the bright and dark areas is fully mixed, so the light output is more uniform.
[0038] The size of the middle total reflection surface 34 between adjacent V-shaped structures 31 is adjustable. To ensure that the light has a better total reflection effect, the angle between the first side wall surface 32 and the second side wall surface 33 in the V-shaped structure 31 is within the range of 80-100°.
[0039] A light distribution pattern is arranged on the light emitting surface, and the light distribution pattern may be a corn grain-shaped pattern, and the size, width, curvature and arch height of the pattern may be adjusted according to usage requirements.
[0040] In order to facilitate material selection, the thick-walled component body 1 is made of PMMA or PC.
[0041] A hollow portion is provided in the thick-walled member body 1 , and the hollow portion can be completely hollowed out or partially hollowed out in the thick-walled member body 1 to increase the uniformity of lighting. In addition, the uniformity of lighting can also be increased by providing stripes and other structures in the thick-walled member body 1 .
[0042] The light color of the light source is one or more of red light, yellow light, and white light. When the light color of the light source is multiple, functional multiplexing is achieved. For example, when changing lanes, the turn signal lights up yellow light, when braking, it switches to red light, and when reversing, it switches to white light. Specifically, the light source may include multiple LED lamp beads, some of which are yellow light and some are white light. When yellow light is needed for turning, the yellow light source is lit, and when white light is needed for reversing, the white light source is lit. The optical form of the utility model can be flexibly applied to a variety of scenarios.
[0043] The utility model also provides a vehicle lamp, comprising the thick-walled part with uniform light emission.
[0044] The utility model also provides a vehicle, comprising the above-mentioned vehicle lamp.
[0045] In summary, the utility model is a thick-walled component with uniform light output. The light is input in three parts through the cooperation between the light incident end and the total reflection surface. The light is output after multiple refractions and total reflection in the thick-walled component. The light efficiency is high and the uniformity is good. In addition, the multiple refractions and total reflections of the light in the thick-walled component can simultaneously increase the lighting angle, making it visually transparent. The utility model has a simple structure, is easy to implement, can effectively reduce system power consumption, and save production costs.
[0046] The vehicle lamp and the vehicle of the utility model have the thick-walled part with uniform light emission, and therefore have the advantages of the thick-walled part with uniform light emission.
[0047] The various devices selected in this application are all universal standard parts or parts known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.
[0048] In the description of the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0049] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0050] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.
Claims
1. A thick-walled part with uniform light output, characterized in that: include: A thick-walled component body (1), wherein a light incident end (2) of the thick-walled component body (1) is provided with a light incident surface and a total reflection surface, and a light emitting end (4) of the thick-walled component body (1) is provided with a light emitting surface; At least one V-shaped structure (31) is provided on the total reflection surface, and the V-shaped structure (31) comprises: a first side wall surface (32) and a second side wall surface (33); Light emitted by the light source enters the thick-walled component body (1) through the light incident surface, part of the light reaches the first side wall surface (32) on the total reflection surface, the part of the light is totally reflected by the first side wall surface (32) to the second side wall surface (33), and the part of the light is totally reflected by the second side wall surface (33) before being emitted from the light exiting surface through the thick-walled component body (1); Part of the light reaches the second side wall surface (33) of the total reflection surface, and is totally reflected by the second side wall surface (33) to the first side wall surface (32). After being totally reflected by the first side wall surface (32), the part of the light is emitted from the light emitting surface through the thick-walled component body (1).
2. The thick-walled member with uniform light output as claimed in claim 1, characterized in that: A plurality of V-shaped structures (31) are provided on the total reflection surface, and adjacent V-shaped structures (31) are connected via a middle total reflection surface (34). Part of the light reaches the middle total reflection surface (34) of the total reflection surface, and after being totally reflected by the middle total reflection surface (34), the part of the light is emitted from the light emitting surface through the thick-walled component body (1).
3. The thick-walled member with uniform light output as claimed in claim 1, characterized in that: The light incident end (2) is a condenser, and the light source faces the condensing part of the condenser.
4. The thick-walled member with uniform light output as claimed in claim 2, characterized in that: The angle between the first side wall surface (32) and the second side wall surface (33) in the V-shaped structure (31) is in the range of 80-100 degrees.
5. The thick-walled member with uniform light output according to claim 1, characterized in that: The light emitting surface is provided with a light distribution pattern.
6. The thick-walled member with uniform light output as claimed in claim 1, characterized in that: The thick-walled component body (1) is made of PMMA or PC.
7. The thick-walled member with uniform light emission as claimed in claim 1, characterized in that: A hollow portion is provided in the thick-walled component body (1).
8. The thick-walled member with uniform light emission as claimed in claim 1, characterized in that: The light color of the light source is one or more of red light, yellow light and white light.
9. A vehicle lamp, characterized in that: The invention comprises a thick-walled part with uniform light emission as described in any one of claims 1 to 8.
10. A vehicle, characterized in that: The vehicle lamp comprising the vehicle lamp according to claim 9.