Automobile daytime running lamp optical light guide structure and automobile daytime running lamp
By setting up an adjustment layer in the light guide structure of the daytime running light of the car and adjusting the light shape of the light by using the laser engraving process, the problems of high costs, difficulty in assembly and single light shape in the existing technology are solved, and cost saving, simplifying assembly and improving light are achieved. Target to adjust the effect.
Patent Information
- Application Number
- CN202421195039.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-05-28
AI Technical Summary
Existing automotive daytime running lights use reflector luminescence, resulting in high costs, difficulty in assembly and single light type.
Design an optical light guide structure for automobile daylight travel lights. By setting an adjustment layer inside the light guide, using laser engraving technology to carve text or patterns, adjust the light type of irradiated light, and realize the conduction and adjustment of light.
Use fewer components, save manufacturing costs, simplify the assembly process, avoid the problems of high costs, difficulty in assembly and single light type, and improve the adjustment effect of light.
Smart Images
Figure CN222459278U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of automobile manufacturing, and specifically relates to an optical light guide structure of an automobile daytime running light and an automobile daytime running light. Background Art
[0002] In automobile manufacturing, lighting equipment includes daytime running lights, which are frequently used during the use of automobiles. In the prior art, automobile daytime running lights mainly adopt the form of reflector lighting, which requires assembly of light sources, reflective components, masks and other components. Since it has many components, the cost is high, and during the assembly process, each component needs to be positioned and assembled, which has high requirements for the assembly process and easily leads to assembly difficulties. Since it adopts the light source and reflector lighting form, the light is emitted by the light source and then reflected by the reflector before emitting light. The reflector only adjusts the path of the light source, and does not have the function of adjusting the light type of the emitted light, and it is difficult to meet the current demand for adjusting the light type of the emitted light. Utility Model Content
[0003] The purpose of the utility model is to provide an optical light guide structure of an automobile daytime running light and an automobile daytime running light to solve the above-mentioned technical problems. An adjustment layer is arranged inside the light guide, and a light source emitting part emits a light source through the light guide and the adjustment layer inside the light guide, so that the light is adjusted under the action of the adjustment layer. A practical single light guide cooperates with the light source emitting part to conduct and adjust the light, uses fewer parts to save manufacturing costs and is easy to assemble, avoiding the problems of high cost, difficult assembly and single light type caused by fluorescent lamps using reflector light emission in the prior art.
[0004] In order to achieve the above utility model purpose, the technical solution adopted by the utility model is as follows:
[0005] An optical light guide structure for a daytime running light of an automobile comprises a light source emitting part and a light guide module, wherein the light guide module comprises a light guide, and an adjustment layer for adjusting the irradiated light is arranged inside the light guide. The light guide module is arranged on one side of the light source emitting part, and the light guide module is arranged opposite to the light emitting surface of the light source emitting part, wherein the light guide is in a transparent state as a whole, so as to realize the function of irradiating light after light transmission and cooperating with the adjustment layer to adjust the irradiated light, wherein adjusting the irradiated light is to adjust the light type of the irradiated light. A gap is arranged between the light source emitting part and the light guide module. An adjustment layer is arranged inside the light guide, and the light source emitting part emits light through the light guide and the adjustment layer inside the light guide, wherein the adjustment layer is made by engraving text or patterns by laser engraving technology, so that the light is adjusted under the action of the adjustment layer, and a practical single light guide is used to cooperate with the light source emitting part to conduct and adjust the light, and fewer parts are used to save manufacturing costs and easy to assemble, thereby avoiding the problems of high cost, difficult assembly and single light type caused by fluorescent lamps using reflector light emission in the prior art.
[0006] Preferably, the projection of the adjustment layer along the bottom direction of the light guide completely covers the bottom surface of the light guide. The adjustment layer can be distributed in the horizontal direction and completely covers the bottom surface of the light guide in the vertical direction. At the same time, the adjustment layer is inside the light guide to avoid the problem of assembly difficulty and high cost caused by more components. The light generated by the light source emitting part is completely adjusted by the adjustment layer, which increases the adjustment processing area of the light and thus improves the light adjustment effect.
[0007] Preferably, the adjustment layer includes a plurality of triangles arranged in an array. The adjustment layer formed by the arrangement of the triangles has a plurality of exit surfaces, so as to improve the transmission effect of light from the adjustment layer and realize the adjustment of the light, so that the light type can be adjusted; the adjustment layer is arranged inside the light guide, and the structure is highly integrated, avoiding the problem of difficult assembly and high cost caused by the combination of multiple components in the prior art, and improving the assembly speed.
[0008] Preferably, the adjustment layer is arranged parallel to the bottom surface of the light guide, so that the light entering from the bottom surface of the light guide is adjusted by the adjustment layer arranged in parallel, so as to control the consistency of the propagation length of the light and improve the stability of the adjustment process.
[0009] Preferably, the adjustment layer is set at 1 / 4 to 3 / 4 of the vertical dimension of the light guide, with the center of the bottom surface of the light guide as the initial point, so that there is a certain distance between the adjustment layer and the bottom surface of the light guide, and a certain distance between the adjustment layer and the top surface of the light guide, to improve the stability of the light before and after adjustment.
[0010] Preferably, the light guide comprises a light guide body and an optical molding part arranged below the light guide body. The adjustment layer is arranged between the top of the light guide body and the optical molding part. The outer edge of the light guide body is provided with a second chamfer, so that the outer edge of the light guide body is relatively smooth, reducing the difficulty of assembly. The light source is transmitted to the inside of the light guide body through the optical molding part, so that the light transmission process is relatively simple, the required parts are reduced, and the effect of low cost and simple assembly is achieved. At the same time, the adjustment layer is arranged between the top of the light guide body and the optical molding part, so that the light type can be adjusted, solving the problem of single light type.
[0011] Preferably, the optical molding part includes a column and a groove body arranged in the column, and the cross-sectional shape of the groove body is circular. The columns are arranged in a plurality of arrays on the bottom surface of the light guide body; the columns arranged in a plurality of arrays transmit the light and transmit it into the light guide body, and have a plurality of paths for transmitting the light into the light guide body, and the transmission method is simple and easy to implement.
[0012] Preferably, a first chamfer is provided on the outer edge of the column. Specifically, a first chamfer is provided on one side of the column facing the light source emitting portion.
[0013] Preferably, the column is provided with a convex surface, and the groove body is connected to the outer surface of the convex surface. The convex surface allows the light in the groove body to be transmitted to the light guide body, thereby improving the stability of light transmission.
[0014] Preferably, the light source emitting part is an LED module. The light emitting surface of the LED module is arranged toward the bottom of the light guide body; wherein a gap is arranged between the LED module and the light guide module to avoid the problem of deformation of the light guide module caused by heating of the LED module.
[0015] A vehicle daytime running light comprises any of the above-mentioned optical light-guiding structures for the vehicle daytime running light.
[0016] This application has achieved beneficial technical effects:
[0017] The utility model provides an adjustment layer inside the light guide, and the light source emitting part emits light through the light guide and the adjustment layer inside the light guide, wherein the adjustment layer is made by engraving text or patterns through a laser engraving process, so that the light is adjusted under the action of the adjustment layer, and a single light guide is used in conjunction with the light source emitting part to conduct and adjust the light, using fewer parts to save manufacturing costs and easy assembly, thus avoiding the problems of high cost, difficult assembly and single light type caused by fluorescent lamps using reflector light emission in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 Shown is a schematic diagram of the structure of the utility model;
[0019] Figure 2 Shown is a side structural schematic diagram of the utility model;
[0020] Figure 3 Shown Figure 2 AA section structural diagram;
[0021] Figure 4 Shown Figure 3 A partial enlarged schematic diagram of
[0022] Figure 5 Shown Figure 2 BB-direction cross-sectional structural diagram;
[0023] Figure 6 Shown is a schematic diagram of the structure of the utility model;
[0024] Figure 7 Shown is a schematic structural diagram of the optical molding part of the utility model;
[0025] Figure 8 The figure shows a schematic diagram of the structure of the light guide of the utility model when viewed from above;
[0026] Fig. 9 Shown Figure 8 Schematic diagram of the CC section structure.
[0027] Reference numerals
[0028] 1-light source emitting part; 2-light guide; 3-adjustment layer; 21-light guide body; 22-optical forming part; 211-second chamfer; 221-column; 222-groove; 223-convex surface; 224-first chamfer. DETAILED DESCRIPTION
[0029] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.
[0030] The technical solution of the utility model is described in detail below with specific embodiments.
[0031] Reference Figure 1-9 , an optical light guide structure of a daytime running light of an automobile, comprising a light source emitting part 1 and a light guide module, wherein the light guide module comprises a light guide 2, wherein an adjustment layer 3 for adjusting the irradiated light is arranged inside the light guide 2. The light guide module is arranged on one side of the light source emitting part 1, and the light guide module is arranged opposite to the light emitting surface of the light source emitting part 1, wherein the light guide 2 is in a transparent state as a whole, so as to realize the function of irradiating light after light transmission and cooperating with the adjustment layer 3 to adjust the irradiated light, wherein adjusting the irradiated light is to adjust the light type of the irradiated light. A gap is arranged between the light source emitting part 1 and the light guide module. An adjustment layer 3 is arranged inside the light guide 2, and the light source emitting part 1 emits light through the light guide 2 and the adjustment layer 3 inside the light guide 2, wherein the adjustment layer 3 is made by engraving text or pattern by laser engraving process, so that the light is adjusted under the action of the adjustment layer 3, and a practical single light guide is used to cooperate with the light source emitting part to conduct and adjust the light, and fewer parts are used to save manufacturing cost and easy to assemble, thereby avoiding the problems of high cost, difficult assembly and single light type caused by the fluorescent lamp using the reflector light emission form in the prior art.
[0032] The projection of the adjustment layer 3 along the bottom direction of the light guide 2 completely covers the bottom surface of the light guide 2. The adjustment layer 3 can be distributed in the horizontal direction and completely covers the bottom surface of the light guide 2 in the vertical direction. At the same time, the adjustment layer 3 is inside the light guide 2, so as to avoid the problem of assembly difficulty and high cost caused by more components, so that the light generated by the light source emitting part 1 is completely adjusted by the adjustment layer 3, and the adjustment processing area of the light is increased, thereby improving the light adjustment effect.
[0033] The adjustment layer 3 includes a plurality of triangles arranged in an array. The adjustment layer 3 formed by the arrangement of the triangles has a plurality of exit surfaces, so as to improve the transmission effect of light from the adjustment layer 3 and realize the adjustment of the light, so that the light type can be adjusted; the adjustment layer 3 is arranged inside the light guide 2, and the structure is highly integrated, avoiding the problem of difficult assembly and high cost caused by the combination of multiple components in the prior art, and improving the assembly speed.
[0034] The adjustment layer 3 is arranged parallel to the bottom surface of the light guide 2. The light entering from the bottom surface of the light guide 2 is adjusted by the parallel adjustment layer 3 to control the consistency of the propagation length of the light and improve the stability of the adjustment process.
[0035] Taking the center of the bottom surface of the light guide 2 as the starting point, the adjustment layer 3 is set at 1 / 4 to 3 / 4 of the vertical dimension of the light guide 2. There is a certain distance between the adjustment layer 3 and the bottom surface of the light guide 2, and there is a certain distance between the adjustment layer 3 and the top surface of the light guide 2, so as to improve the stability of the light before and after adjustment.
[0036] The light guide 2 includes a light guide body 21 and an optical molding part 22 disposed below the light guide body 21. The adjustment layer 3 is disposed between the top of the light guide body 21 and the optical molding part 22. A second chamfer 211 is disposed on the outer edge of the light guide body 21, so that the outer edge of the light guide body 21 is relatively smooth, reducing the difficulty of assembly. The light source is transmitted to the inside of the light guide body 21 through the optical molding part 22, so that the light transmission process is relatively simple, the required parts are reduced, and the effect of low cost and simple assembly is achieved. At the same time, the adjustment layer 3 is disposed between the top of the light guide body 21 and the optical molding part 22, so that the light type can be adjusted, solving the problem of a single light type.
[0037] The optical molding part 22 includes a column 221 and a groove 222 disposed in the column 221, and the cross-sectional shape of the groove 222 is circular. The columns 221 are arranged in a plurality of arrays on the bottom surface of the light guide body 21; specifically, the cross-sectional surface of the groove 222 along the vertical direction of the extension direction of the columns 221 is circular. The columns 221 arranged in a plurality of arrays transmit light and transmit it into the light guide body 21, and multiple paths are provided for transmission into the light guide body 21, and the transmission method is simple and easy to implement.
[0038] The outer edge of the column 221 is provided with a first chamfer 224. Specifically, the column 221 is provided with a first chamfer 224 on one side facing the light source emitting part 1. The column 221 is provided with a convex surface 223, and the groove 222 is connected to the outer surface of the convex surface 223. The provision of the convex surface 223 allows the light in the groove 222 to be transmitted to the light guide body 21, thereby improving the stability of light transmission.
[0039] The light source emitting part 1 is an LED module. The light emitting surface of the LED module is arranged toward the bottom of the light guide body; a gap is arranged between the LED module and the light guide module to avoid the problem of deformation of the light guide module caused by heating of the LED module. The number of light sources of the LED module is the same as the number of the columns 221.
[0040] Among them, thick-walled light guide is a product that has very high requirements on mold design and injection molding process.
[0041] A vehicle daytime running light comprises an optical light guide structure of the vehicle daytime running light.
[0042] This technical solution uses thick-walled light guides to transmit light. Laser engraving is used to engrave text and patterns in the light guide, which can not only achieve aesthetic effects but also adjust the light type. It can achieve efficient work and save labor costs.
[0043] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0044] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
[0045] The above is a detailed description of an optical light guide structure of a vehicle daytime running light and an embodiment of a vehicle daytime running light provided by the utility model. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiment is only used to help understand the core idea of the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.
Claims
1. An optical light guide structure for a daytime running light of an automobile, comprising a light source emitting unit (1) and a light guide module, characterized in that: The light guide module comprises a light guide (2), wherein an adjustment layer (3) for adjusting the irradiated light is arranged inside the light guide (2).
2. The optical light guide structure of the automobile daytime running light according to claim 1, characterized in that: The projection of the adjustment layer (3) along the bottom direction of the light guide (2) completely covers the bottom surface of the light guide (2).
3. The optical light guide structure of the automobile daytime running light according to claim 1, characterized in that: The adjustment layer (3) comprises a plurality of triangles arranged in an array.
4. The optical light guide structure of the automobile daytime running light according to claim 1, characterized in that: The adjustment layer (3) is arranged parallel to the bottom surface of the light guide (2).
5. The optical light guide structure of the automobile daytime running light according to claim 1, characterized in that: Taking the center of the bottom surface of the light guide (2) as the initial point, the adjustment layer (3) is arranged at 1 / 4 to 3 / 4 of the vertical dimension of the light guide (2).
6. The optical light guide structure of the automobile daytime running light according to claim 1, characterized in that: The light guide (2) comprises a light guide body (21) and an optical molding portion (22) arranged below the light guide body (21).
7. The optical light guide structure of the automobile daytime running light according to claim 6, characterized in that: The optical molding part (22) comprises a column (221) and a groove (222) arranged in the column (221), and the cross-sectional shape of the groove (222) is circular; The column (221) is provided with a convex surface (223), and the groove body (222) is connected to the outer surface of the convex surface (223).
8. The optical light guide structure of the automobile daytime running light according to claim 7, characterized in that: The outer edge of the column (221) is provided with a first chamfer (224).
9. The optical light guide structure of a vehicle daytime running light according to claim 1, characterized in that: The light source emitting part (1) is an LED module.
10. A daytime running light for an automobile, characterized in that: It comprises the optical light-guiding structure of the automobile daytime running light as described in any one of claims 1-9.