Thick-walled part capable of enlarging light emitting width
By designing thick-walled parts to expand the light output width and utilizing multiple total reflections to expand the light output width, the problem of increased heat in the headlights is solved, achieving better lighting effects and reducing costs.
Patent Information
- Application Number
- CN202423156475.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-19
AI Technical Summary
The use of a large number of LED light sources causes the heat of the headlights to increase, affecting the life of automotive parts.
A thick-walled component is designed to expand the light output width. The light output width is expanded through multiple total reflections, which reduces the use of light sources, reduces costs and reduces heat.
It improves the lighting effect and beam quality of car lights, reduces the number of light sources used, reduces heat, and extends the service life of car parts.
Smart Images
Figure CN223460295U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of car light, specifically relates to thick wall spare of expanding light width. BACKGROUND
[0002] The thick wall spare of car light is one of the commonly used optical schemes in car light, and is usually more of a reflection type or a direct type, through special design and material selection, the thick wall spare of car light can optimize the refraction and reflection of light, thereby improving the illumination effect and beam quality of car light.
[0003] At present, in order to improve the lighting effect of car light, make the light emitting area larger and brighter, usually use a large number of LED raw materials to light car light, and a large number of LED raw materials emit light at the same time, improve the cost of light source and also increase the heat, which may cause the automobile parts to be damaged due to overheating and affect the service life of the automobile. UTILITY MODEL CONTENTS
[0004] The utility model discloses a thick wall spare of expanding light width, to solve the technical problem that the heat increases due to the use of a large number of light sources for better lighting effect of car light, which affects the service life of automobile parts, the light width is expanded by multiple total reflection, so as to reduce the use of light source, reduce the cost and reduce the heat.
[0005] In order to solve the above technical problem, the utility model provides a thick wall spare of expanding light width, which comprises: a thick wall spare body, one end of the thick wall spare body is provided with a reflection assembly, the other end of the thick wall spare body is provided with a light outlet;
[0006] One end of the reflection assembly away from the light outlet is provided with a reflection unit, the reflection unit is inverted triangular, the two sides of the reflection unit are provided with a first reflection surface A and a second reflection surface A, one end of the reflection unit close to the light outlet is provided with a third reflection surface;
[0007] One side of the reflection assembly close to the first reflection surface A is provided with a first reflection surface B, and one side of the reflection assembly close to the second reflection surface A is provided with a second reflection surface B;
[0008] Part of the light is emitted to the first reflection surface A through the bottom end of the reflection assembly, totally reflected by the first reflection surface A, and emitted to the first reflection surface B, totally reflected by the first reflection surface B and emitted from the light outlet;
[0009] Part of the light is emitted to the second reflection surface A through the bottom end of the reflection assembly, totally reflected by the second reflection surface A, and emitted to the second reflection surface B, totally reflected by the second reflection surface B and emitted from the light outlet;
[0010] Part of the light is emitted to the third reflecting surface through the bottom end of the reflecting assembly, and is emitted from the light outlet after total reflection of the third reflecting surface.
[0011] Further, the included angle between the first reflecting surface A and the vertical direction is 40°-50°, and the projection length of the first reflecting surface A and the first reflecting surface B in the horizontal direction is Y.
[0012] Further, the included angle between the second reflecting surface A and the horizontal direction is 40°-50°, and the projection length of the second reflecting surface A and the second reflecting surface B in the horizontal direction is X.
[0013] Further, the included angle between the third reflecting surface and the vertical direction is 40°-50°, the top end of the third reflecting surface extends in the direction close to the light outlet, and the projection length of the third reflecting surface in the vertical direction is H.
[0014] The areas of the first reflecting surface A, the first reflecting surface B, the second reflecting surface A and the second reflecting surface B are equal, and the area of the third reflecting surface is twice that of the first reflecting surface A.
[0015] Further, the bottom end of the reflecting assembly is provided with a light collector, and the projection of the light collector in the horizontal direction is L.
[0016] Wherein, L=2Y=2X=2H.
[0017] Further, the reflecting assembly is provided with a plurality of reflecting assemblies, and the plurality of reflecting assemblies are connected in sequence along the length direction of the thick-walled member body, and the plurality of reflecting assemblies have notches therebetween.
[0018] Further, the surface of the light collector is provided with a light distribution pattern or a light distribution skin.
[0019] Further, the surface of the light outlet is provided with a light distribution pattern or a light distribution skin.
[0020] The beneficial effects of the utility model are:
[0021] By setting the reflecting assembly, the light is emitted from the light outlet after total reflection of the first reflecting surface A (the second reflecting surface A) and the first reflecting surface B (the second reflecting surface B), and the light is emitted from the light outlet after total reflection of the third reflecting surface in the prior art, the light of the utility model is emitted from the third reflecting surface, and the light emitting surface at both ends of the third reflecting surface is increased, so that the light emitting width of the light is improved, and the lighting uniformity of the vehicle lamp is improved.
[0022] In order to make the above object, features and advantages of the present application more obvious, the following preferred embodiments are described in detail, and the accompanying drawings are described as follows. BRIEF DESCRIPTION OF DRAWINGS
[0023] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0024] Figure 1 is a structural diagram of the thick-walled part of the present application for expanding the light emitting width;
[0025] Figure 2 is Figure 1 rear view of the present application;
[0026] Figure 3 is Figure 1 top view of the present application;
[0027] Figure 4 is Figure 1 front view of the present application.
[0028] In the drawings:
[0029] 1, thick-walled part body; 11, reflection assembly; 12, light emitting port; 2, reflection unit; 21, first reflection surface A; 211, first reflection surface B; 22, second reflection surface A; 221, second reflection surface B; 23, third reflection surface; 3, condenser. DETAILED DESCRIPTION
[0030] In order to make the object, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the present application will be described in detail below with reference to the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0031] Embodiment:
[0032] As Figures 1 to 4As shown, the thick-walled member for expanding light-emitting width comprises a thick-walled member body 1, one end of the thick-walled member body 1 is provided with a plurality of reflection assemblies 11, the plurality of reflection assemblies 11 are sequentially connected along the length direction of the thick-walled member body 1, and the plurality of reflection assemblies 11 have notches therebetween; the other end of the thick-walled member body 1 is provided with a light-emitting opening 12, the surface of the light-emitting opening 12 is provided with a light distribution pattern or a light distribution skin, and light is uniformly emitted from the light-emitting opening 12 after multiple total reflections of the light by the reflection assemblies 11.
[0033] In the embodiment, the reflection assembly 11 is provided with a reflection unit 2 at the end away from the light-emitting opening 12, the reflection unit 2 is in the shape of an inverted triangle, two sides of the reflection unit 2 are provided with a first reflection surface A21 and a second reflection surface A22, and the first reflection surface A21 and the second reflection surface A22 are oppositely arranged; the side of the reflection assembly 11 close to the first reflection surface A21 is provided with a first reflection surface B211, the first reflection surface B211 is connected with the first reflection surface A21, the side of the reflection assembly 11 close to the second reflection surface A22 is provided with a second reflection surface B221, the second reflection surface B221 is connected with the second reflection surface A22, part of light is totally reflected from the light-emitting opening in sequence through the first reflection surface A21 and the first reflection surface B211, part of light is totally reflected from the light-emitting opening in sequence through the second reflection surface A22 and the second reflection surface B221, thereby expanding the light-emitting width of the light on both sides; the surface of at least one reflection surface in the reflection unit 2 is provided with a light distribution pattern or a light distribution skin.
[0034] In the embodiment, the included angle between the first reflection surface A21 and the first reflection surface B211 and the vertical direction is 45°, the projection length of the first reflection surface A21 and the first reflection surface B211 in the horizontal direction is Y; the included angle between the second reflection surface A22 and the second reflection surface B221 and the horizontal direction is 45°, the projection length of the second reflection surface A22 and the second reflection surface B221 in the horizontal direction is X; the reflection unit 2 is provided with a third reflection surface 23 at the end close to the light-emitting opening 12; the included angle between the third reflection surface 23 and the vertical direction is 45°, the top end of the third reflection surface 23 extends in the direction close to the light-emitting opening 12, and the projection length of the third reflection surface 23 in the vertical direction is H.
[0035] In this embodiment, the first reflecting surface A21, the first reflecting surface B211, the second reflecting surface A22 and the second reflecting surface B221 have equal areas, and the third reflecting surface 23 has an area twice that of the first reflecting surface A21; the bottom end of the reflecting assembly 11 is provided with a condenser 3, and the surface of the condenser 3 is provided with a light distribution pattern or a light distribution skin; the projection of the condenser 3 in the horizontal direction is L, wherein L = 2Y = 2X = 2H; therefore, the light emitting width of the third reflecting surface 23 is twice that of the first reflecting surface A21 or the second reflecting surface A22, the light rays are emitted from both sides of the third reflecting surface 23 through the first reflecting surface A21 and the second reflecting surface A22, and the sum of the light emitting widths of the first reflecting surface A21 and the second reflecting surface A22 is equal to that of the third reflecting surface 23, so that the light emitting width of the light outlet 12 is doubled, thereby increasing the light emitting area and improving the lighting effect of the vehicle lamp.
[0036] Part of the light rays are emitted from the bottom end of the reflecting assembly 11 to the first reflecting surface A21, are totally reflected by the first reflecting surface A21 to the first reflecting surface B211, are totally reflected by the first reflecting surface B211 to the light outlet 12, are sequentially emitted from one side of the third reflecting surface 23 through the first reflecting surface A21 and the first reflecting surface B211, and increase the width of one side of the light emitting surface; part of the light rays are emitted from the bottom end of the reflecting assembly 11 to the second reflecting surface A22, are totally reflected by the second reflecting surface A22 to the second reflecting surface B221, are totally reflected by the second reflecting surface B221 to the light outlet 12, are sequentially emitted from the other side of the third reflecting surface 23 through the second reflecting surface A22 and the second reflecting surface B221, and increase the width of the other side of the light emitting surface; part of the light rays are emitted from the bottom end of the reflecting assembly 11 to the third reflecting surface 23, are totally reflected by the third reflecting surface 23 to the light outlet 12.
[0037] In summary, the light rays are emitted from the bottom end into the condenser 3, the condenser 3 converges the light rays into parallel light, the light rays are divided into three parts and are respectively emitted on the first reflecting surface A21, the second reflecting surface A22 and the third reflecting surface 23, part of the light rays are totally reflected by the third reflecting surface 23 to the light outlet, part of the light rays are sequentially totally reflected by the first reflecting surface A21 and the first reflecting surface B211 to one side of the third reflecting surface 23, and part of the light rays are sequentially totally reflected by the second reflecting surface A22 and the second reflecting surface B221 to the other side of the third reflecting surface 23, thereby increasing the light emitting width and the light emitting area and improving the lighting effect of the vehicle lamp.
[0038] Each device selected in the present application is a general standard part or a component known to those skilled in the art, the structure and principle of which can be known to those skilled in the art through technical manuals or through conventional experimental methods.
[0039] In the description of the embodiments of the utility model, unless another definite provision and limitation, the term "mount", "link", "connect" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through the intermediate medium, can be two elements inside the communication.For the ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to the specific circumstances.
[0040] In the description of the utility model, it needs to be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicative or suggestive of relative importance.
[0041] With the above ideal embodiments according to the utility model as inspiration, through the above description, relevant staff can certainly make various changes and modifications without deviating from the scope of the technical idea of the utility model.The technical scope of the utility model is not limited to the content in the specification, and must be determined according to the scope of claims.
Claims
1. A thick-walled member for expanding the light emission width, characterized by The utility model relates to a thick -walled piece body (1) one end is provided with reflection subassembly (11) of thick -walled piece body (1), the other end is provided with light outlet (12) of thick -walled piece body (1), reflection subassembly (11) is provided with reflection unit (2) away from the one end of light outlet (12), reflection unit (2) is inverted triangle, and both sides of reflection unit (2) are provided with first reflection surface A (21) and second reflection surface A (22), and the one end of reflection unit (2) is provided with third reflection surface (23) close to light outlet (12), reflection subassembly (11) is provided with first reflection surface B (211) close to the side of first reflection surface A (21), and reflection subassembly (11) is provided with second reflection surface B (221) close to the side of second reflection surface A (22), wherein, part light is shot to first reflection surface A (21) through the bottom end of reflection subassembly (11), and after total reflection of first reflection surface A (21), it is shot to first reflection surface B (211), and after total reflection of first reflection surface B (211), it is shot from light outlet (12), part light is shot to second reflection surface A (22) through the bottom end of reflection subassembly (11), and after total reflection of second reflection surface A (22), it is shot to second reflection surface B (221), and after total reflection of second reflection surface B (221), it is shot from light outlet (12), part light is shot to third reflection surface (23) through the bottom end of reflection subassembly (11), and after total reflection of third reflection surface (23), it is shot from light outlet (12). The included angle between the first reflection surface A (21) and the first reflection surface B (211) and the vertical direction is 40°-50°, and the projection length of the first reflection surface A (21) and the first reflection surface B (211) in the horizontal direction is Y. The included angle between the second reflection surface A (22) and the second reflection surface B (221) and the horizontal direction is 40°-50°, and the projection length of the second reflection surface A (22) and the second reflection surface B (221) in the horizontal direction is X. The included angle between the third reflection surface (23) and the vertical direction is 40°-50°, the top end of the third reflection surface (23) extends in the direction close to the light outlet (12), and the projection length of the third reflection surface (23) in the vertical direction is H. The areas of the first reflection surface A (21), the first reflection surface B (211), the second reflection surface A (22), and the second reflection surface B (221) are equal, and the area of the third reflection surface (23) is twice the area of the first reflection surface A (21). The bottom end of the reflection subassembly (11) is provided with a condenser (3), and the projection of the condenser (3) in the horizontal direction is L. Wherein, L=2Y=2X=2H.
2. The thick-walled member of claim 1, wherein The reflection subassembly (11) is provided with a plurality of reflection subassemblies (11), and the plurality of reflection subassemblies (11) are connected in sequence along the length direction of the thick-walled piece body (1), and the plurality of reflection subassemblies (11) have notches therebetween.
3. The thick-walled member of claim 2, wherein 4. The thick-walled member of claim 3, wherein 5. The thick-walled member of claim 4, wherein 6. The thick-walled member of claim 1, wherein 7. The thick-walled member of claim 5, wherein The surface of the light collector (3) is provided with a light distribution pattern or a light distribution skin.
8. The thick-walled member of claim 1, wherein The surface of the light outlet (12) is provided with a light distribution pattern or a light distribution skin.