Thick-wall part structure capable of being lightened uniformly and vehicle lamp
By adopting the thick-walled part structure of the light guide structure body and the reflection unit in the car light, the light is reflected several times and then emits from the exit surface, solving the problem of uneven light lines in the existing car lights, achieving more efficient light utilization and cost savings.
Patent Information
- Application Number
- CN202421676350.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-16
AI Technical Summary
In the existing car light design, after light is emitted from the LED light source, it passes through a series of action devices and then emits from the light outward surface, resulting in uneven light, which increases the cost of LED raw materials and increases the complexity of circuit design and heat risk.
A thick-walled component structure including a light guide structure body, a reflection unit and an incident unit is adopted. By setting an exit surface, a first reflection surface, a second reflection surface and a third reflection surface, light rays enter the light guide structure body through the incident unit, and then reflect through the first reflection surface, the second reflection surface and the third reflection surface are sequentially reflected, thereby expanding the light output area and improving the uniformity of light.
It realizes the uniform lighting effect of light, improves the light efficiency, saves the use of LED light sources, and reduces production costs.
Smart Images
Figure CN222824163U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of thick-walled parts, and in particular relates to a thick-walled part structure and a vehicle lamp with uniform lighting. Background Art
[0002] The mature development of LED light source technology has gradually replaced halogen bulbs and become the preferred light source for cars. The development of LED light sources has made the optical design of LED light sources, concentrators, and thick-walled parts widely used in car light design. However, with the rapid development of automotive lighting technology and consumers' increasing pursuit of lighting effects, production costs and efficiency are also issues that various car light suppliers urgently need to solve.
[0003] In the prior art, after the light is emitted from the LED light source, it passes through a series of devices and then is emitted from the light emitting surface to achieve a more uniform lighting effect for the headlights. In the prior art, since a large number of LED light sources are required, the optical efficiency is not high, the cost of LED raw materials is increased, and the circuit design is complicated and the heat risk is increased. Utility Model Content
[0004] In view of this, in order to solve the problems existing in the prior art, the purpose of the utility model is to provide a thick-walled structure and a car lamp with uniform lighting, which has the effects of uniform lighting, expanding the light output area, saving the use of LED light sources, and reducing costs.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A thick-walled structure with uniform lighting, comprising: a light-guiding structure body, a reflecting unit and an incident unit;
[0007] The front end of the light guide structure body is provided with an exit surface, the incident unit and the reflection unit are both provided at the rear end of the light guide structure body, and the incident unit is provided above the reflection unit;
[0008] The reflection unit includes a first reflection surface, a second reflection surface and a third reflection surface connected in sequence. The first reflection surface is arranged below the incident unit and connected to the lower end of the light guide structure body. The third reflection surface is arranged opposite to the exit surface and connected to the lower end of the incident unit.
[0009] The specific technical effect is: after the light enters the light-guiding structure body through the incident unit, it is reflected by the first reflection surface, the second reflection surface and the third reflection surface in sequence and then emitted from the emission surface, so that the light output is more uniform, the light efficiency is reasonably and efficiently utilized, the light is fully reflected out, the light output area is expanded, and the use of LED light sources is saved and the cost is reduced.
[0010] Furthermore, an included angle α1 is defined between the first reflecting surface and the second reflecting surface, and the range of α1 is 85° to 95°. An included angle α2 is defined between the second reflecting surface and the third reflecting surface, and the range of α2 is 85° to 95°.
[0011] The specific technical effect is: ensuring that the light incident on the first reflection surface can be reflected by the second reflection surface and the third reflection surface and then emitted from the emission surface, and the angle values of α1 and α2 can be adjusted according to the actual required emission light direction.
[0012] Furthermore, a projection distance of the first reflecting surface in the horizontal direction, a projection distance of the second reflecting surface in the horizontal direction, and a projection distance of the third reflecting surface in the horizontal direction are all equal.
[0013] The specific technical effect is that when the projection distances of the first reflection surface, the second reflection surface and the third reflection surface in the horizontal direction are equal, the light efficiency is the highest, and it can ensure that all light incident on the first reflection surface is fully reflected.
[0014] Furthermore, the emitting surface is provided with patterns or leather grains.
[0015] The specific technical effect is: a pattern or leather texture is arranged on the exit surface, and the pattern or leather texture can diffuse the light, so that the light radiation range is wider and more uniform, which is conducive to achieving better uniformity.
[0016] Furthermore, the pattern is a corn kernel pattern or other shaped pattern.
[0017] Furthermore, the thick-walled structure is made of transparent material such as PMMA or PC.
[0018] Furthermore, the incident unit includes a plurality of condensers, and the plurality of condensers are arranged along the length direction of the light guide structure body.
[0019] The specific technical effect is: the concentrator can gather and collimate the light, maximize the use of light efficiency, make the light more concentrated and collimated on the first reflection surface, and improve the light efficiency and uniformity.
[0020] Furthermore, the incident light enters through the light incident end of the concentrator in a collimated manner and forms an angle of 40° to 55° with the first reflecting surface. The incident light is reflected from the first reflecting surface to the second reflecting surface and forms an angle of 40° to 55° with the second reflecting surface. The incident light is reflected from the second reflecting surface to the third reflecting surface and forms an angle of 40° to 55° with the third reflecting surface.
[0021] A vehicle lamp comprises a light source and any one of the above-mentioned thick-walled structure with uniform lighting, wherein the light source is arranged above the incident unit.
[0022] The specific technical effect is that the thick-walled structure with uniform lighting is not limited to the function or position of the vehicle lamp to be used.
[0023] Furthermore, the color of the light source is red, white, yellow, or a combination of any two of them.
[0024] The specific technical effect is that different colors of light represent different functions on the car lights, and the thick-walled structure that is evenly lit can light up different colors of light according to needs.
[0025] The beneficial effects of the utility model are:
[0026] After the light enters the light guide structure body through the incident unit, it is reflected by the first reflection surface, the second reflection surface and the third reflection surface in sequence and then emitted from the emission surface, so that the light output is more uniform, the light efficiency is reasonably and efficiently utilized, the light is fully reflected out, the light output area is expanded, and the use of LED light sources is saved and the cost is reduced.
[0027] 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
[0028] 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.
[0029] Figure 1 It is a structural schematic diagram of the thick-walled component structure of the utility model;
[0030] Figure 2 This is a light path diagram of the thick-walled structure of the utility model;
[0031] Figure 3 yes Figure 1 The main view;
[0032] Figure 4 yes Figure 1 Rear view of
[0033] Figure 5 yes Figure 1 Top view of the .
[0034] In the figure:
[0035] 1. Light guide structure body; 2. Reflection unit; 3. Incident unit; 4. Exit surface; 5. First reflection surface; 6. Second reflection surface; 7. Third reflection surface; 8. Concentrator. DETAILED DESCRIPTION
[0036] 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.
[0037] Example:
[0038] like Figures 1 to 5 As shown, a thick-walled structure with uniform lighting, including: a light-guiding structure body 1, a reflecting unit 2 and an incident unit 3;
[0039] The front end of the light guide structure body 1 is provided with an exit surface 4, the incident unit 3 and the reflection unit 2 are both provided at the rear end of the light guide structure body 1, and the incident unit 3 is provided above the reflection unit 2;
[0040] The reflection unit 2 includes a first reflection surface 5, a second reflection surface 6 and a third reflection surface 7 which are connected in sequence. The first reflection surface 5 is arranged below the incident unit 3 and connected to the lower end of the light guide structure body 1. The third reflection surface 7 is arranged opposite to the exit surface 4 and connected to the lower end of the incident unit 3.
[0041] It should be noted here that: after the light enters the light-guiding structure body 1 vertically through the incident unit 3, it is reflected by the first reflection surface 5, the second reflection surface 6 and the third reflection surface 7 in sequence and then emitted from the output surface 4, so that the light output is more uniform, the light efficiency is reasonably and efficiently utilized, the light is fully reflected out, the light output area is expanded, and the use of LED light sources is saved and the cost is reduced.
[0042] There is an included angle α1 between the first reflecting surface 5 and the second reflecting surface 6, and the range of α1 is 85° to 95°
[0043] An included angle α2 is formed between the second reflecting surface 6 and the third reflecting surface 7 , and the range of α2 is 85° to 95°.
[0044] It should be noted here that: it is ensured that the light incident on the first reflection surface 5 can be reflected by the second reflection surface 6 and the third reflection surface 7 and then emitted from the output surface 4, and the angle values of α1 and α2 can be adjusted according to the actual required output light direction and the shape of the light guide structure body 1 and the output surface 4.
[0045] The projection distance of the first reflection surface 5 in the horizontal direction, the projection distance of the second reflection surface 6 in the horizontal direction, and the projection distance of the third reflection surface 7 in the horizontal direction are all equal.
[0046] It should be noted here that the first reflection surface 5, the second reflection surface 6 and the third reflection surface 7 are all total reflection surfaces. When the projection distances of the first reflection surface 5, the second reflection surface 6 and the third reflection surface 7 in the horizontal direction are equal, the light efficiency is the highest at this time, and it can ensure that all light incident on the first reflection surface 5 is totally reflected.
[0047] The exit surface 4 is provided with patterns or leather grains.
[0048] It should be noted here that: the pattern or leather texture is arranged on the exit surface 4, and the pattern or leather texture can diffuse the light, so that the light radiation range is wider and more uniform, which is conducive to achieving better uniformity.
[0049] The patterns are corn kernel patterns or other shaped patterns.
[0050] Thick-walled parts are made of transparent materials such as PMMA or PC.
[0051] The incident unit 3 includes a plurality of light concentrators 8 , and the plurality of light concentrators 8 are arranged along the length direction of the light guide structure body 1 .
[0052] It should be noted here that the concentrator 8 can gather and collimate the light, maximize the light effect, make the light more concentrated and collimated on the first reflection surface 5, and improve the light efficiency and uniformity.
[0053] The structure of the condenser 8 can be adjusted according to the light path of the incident light.
[0054] The concentrator 8 can be selected from one of a circular concentrator, an asymmetric concentrator, a stretched concentrator, and a nested concentrator.
[0055] The incident light enters the concentrator 8 through the light incident end in a collimated manner and forms an angle of 40° to 55° with the first reflection surface 5. The incident light is reflected from the first reflection surface 5 to the second reflection surface 6 and forms an angle of 40° to 55° with the second reflection surface 6. The incident light is reflected from the second reflection surface 6 to the third reflection surface 7 and forms an angle of 40° to 55° with the third reflection surface 7.
[0056] A vehicle lamp comprises a light source and any one of the above-mentioned thick-walled structure with uniform lighting, wherein the light source is arranged above the incident unit 3.
[0057] It should be noted here that the thick-walled structure with uniform lighting is not limited to being applied to any function or position of the vehicle lamp.
[0058] The color of the light source is one of red, white, yellow, or a combination of any two.
[0059] It should be noted here that different colors of light represent different functions on the vehicle lights, and this uniformly lit thick-walled structure can light up different colors of light as needed.
[0060] In summary, the beneficial effects of the utility model are:
[0061] After the light enters the light guide structure body 1 through the incident unit 3, it is reflected by the first reflection surface 5, the second reflection surface 6 and the third reflection surface 7 in sequence and then emitted from the emission surface 4, so that the light output is more uniform, the light efficiency is reasonably and efficiently utilized, the light is fully reflected out, the light output area is expanded, and the use of LED light sources is saved and the cost is reduced.
[0062] 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.
[0063] 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.
[0064] 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.
[0065] 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 structure with uniform lighting, characterized in that: include: A light guide structure body (1), a reflection unit (2) and an incident unit (3); The front end of the light guide structure body (1) is provided with an exit surface (4), the incident unit (3) and the reflection unit (2) are both arranged at the rear end of the light guide structure body (1), and the incident unit (3) is arranged above the reflection unit (2); The reflection unit (2) comprises a first reflection surface (5), a second reflection surface (6) and a third reflection surface (7) which are connected in sequence; the first reflection surface (5) is arranged below the incident unit (3) and connected to the lower end of the light guide structure body (1); the third reflection surface (7) is arranged opposite to the exit surface (4) and connected to the lower end of the incident unit (3).
2. A thick-walled structure with uniform lighting as claimed in claim 1, characterized in that: An included angle α1 is formed between the first reflecting surface (5) and the second reflecting surface (6), and the range of α1 is 85° to 95°. An included angle α2 is formed between the second reflecting surface (6) and the third reflecting surface (7), and the range of α2 is 85° to 95°.
3. A thick-walled structure with uniform lighting as claimed in claim 1, characterized in that: The projection distance of the first reflecting surface (5) in the horizontal direction, the projection distance of the second reflecting surface (6) in the horizontal direction, and the projection distance of the third reflecting surface (7) in the horizontal direction are all equal.
4. A thick-walled structure with uniform lighting as claimed in claim 1, characterized in that: The exit surface (4) is provided with patterns or leather grains.
5. A thick-walled structure with uniform lighting as claimed in claim 4, characterized in that: The pattern is a corn kernel pattern.
6. A thick-walled structure with uniform lighting as claimed in claim 1, characterized in that: The thick-walled structure is made of transparent material PMMA or PC.
7. A thick-walled structure with uniform lighting as claimed in claim 1, characterized in that: The incident unit (3) comprises a plurality of condensers (8), and the plurality of condensers (8) are arranged along the length direction of the light guide structure body (1).
8. A thick-walled structure with uniform lighting as claimed in claim 7, characterized in that: The incident light enters the concentrator (8) through the light incident end in a collimated manner and forms an angle of 40° to 55° with the first reflection surface (5). The incident light is reflected from the first reflection surface (5) to the second reflection surface (6) and forms an angle of 40° to 55° with the second reflection surface (6). The incident light is reflected from the second reflection surface (6) to the third reflection surface (7) and forms an angle of 40° to 55° with the third reflection surface (7).
9. A vehicle lamp, characterized in that: The invention comprises a light source and the uniformly lit thick-walled structure according to any one of claims 1 to 8, wherein the light source is arranged above the incident unit (3).
10. A vehicle lamp as claimed in claim 9, characterized in that: The color of the light source is red, white, yellow, or a combination of any two of them.