Optical system with diamond effect and capable of improving LED utilization rate
By using a combined optical system of inner lampshade and reflective bracket in automotive lamps, multiple reflective surfaces and pattern diffusion surfaces are used to solve the problem of low LED utilization, and efficient LED utilization and diamond-like lamps are achieved.
Patent Information
- Application Number
- CN202420932761.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-04-30
AI Technical Summary
In some automotive lamp application scenarios, the utilization rate of LEDs is low, resulting in an increase in costs. It is difficult for the prior art to achieve efficient LED utilization under complex shapes and limited space.
A combined optical system of an inner lampshade and a reflection bracket is adopted to form multiple reflective surfaces and pattern diffusion surfaces to achieve cyclic reflection and uniform distribution of light, thereby improving the utilization rate and lighting effect of LEDs.
It realizes that under complex shapes and space constraints, improves LED utilization and lighting effects, reduces costs, and forms a diamond-like lamp.
Smart Images
Figure CN222798761U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile LED lamps, in particular to an optical system with a diamond effect and improved LED utilization. Background Art
[0002] LED car lights refer to the use of LED technology for both interior and exterior lighting. External lighting equipment involves thermal limits and EMC issues, as well as many complex standards for unloading load tests. LED car lights can be widely used to create an in-car environment with a service life of 50,000 hours. The structure of LED is sturdy and not easily affected by vibration, and the brightness of light output will not decrease significantly during use. LED car lights are suitable for various lighting applications in automotive electronics, including headlights (high beam and low beam), fog lights, tail lights, brake lights, turn signals, daytime running lights, pedal lights, instrument lights, license plate lights, door lights, interior lights, width lights, navigation, entertainment systems, backlights and indicator lights, etc.
[0003] At present, there are more and more automotive LED lamps on the market. Due to its many advantages such as energy saving and long life, people are increasingly fond of LED lamps. In actual use, the application of LED makes automotive lamps more integrated, so multifunctional composite lamps have also emerged. However, the shape of automotive lamps is becoming more and more varied. In some application scenarios, the utilization rate of LED is low, and the defects must be solved by increasing the number of LED particles and adding structural parts, which leads to an increase in costs. Utility Model Content
[0004] In order to solve the problems and defects in the background technology, the purpose of the utility model is to provide an optical system with a diamond effect and improved LED utilization, so as to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] The utility model discloses an optical system with a diamond effect and improved LED utilization, and proposes to use a combined optical system of an inner lampshade and a reflective bracket to achieve multifunctional combination on the same light-emitting surface and achieve a better lighting effect when the shape is more complicated and the space is limited.
[0007] An optical system with a diamond effect and improved LED utilization rate, comprising an inner lampshade, wherein the inner lampshade is formed with a first reflection surface, a second reflection surface, a pattern diffusion surface, an aluminum-plated reflection surface and a diamond pattern light-emitting surface;
[0008] A bracket is provided with a third reflecting surface on one side of the bracket close to the inner lampshade, and the distance between the third reflecting surface and the aluminum-plated reflecting surface gradually decreases, so that the light path reflected by the third reflecting surface supplements the overall light output, and a collimated incident condenser, a first reflecting surface, a second reflecting surface, a pattern diffusion surface, a semi-transparent and semi-reflective aluminum-plated reflecting surface and a diamond pattern light-emitting surface are formed on the lampshade, and the semi-transparent and semi-reflective aluminum-plated reflecting surface corresponds to the diamond pattern light-emitting surface, so that after the light path is incident through the condenser, it is reflected by the first reflecting surface and the second reflecting surface in sequence, and finally is reflected by the semi-transparent and semi-reflective aluminum-plated reflecting surface, and is emitted through the diamond pattern light-emitting surface An inner lampshade is formed with a patterned diffusion surface, the concentrator collimates the light path and then emits it through the patterned diffusion surface, the light path is reflected by the reflection bracket, semi-transmitted and semi-reflected by the aluminum-plated reflection surface, and finally emitted by the diamond patterned light-emitting surface, the first reflection surface and the patterned diffusion surface can be used to divide the light path through the collimated incident concentrator into two parts, when one of the light paths takes effect, the other light path will not be idle, and the utilization rate of the LED will not be weakened due to the existence of two light paths, the existence of two light paths makes the light distribution of the entire optical system more uniform, thereby improving the lighting effect.
[0009] Preferably, the inner lampshade is also formed with a concentrator, which is used to collimate the light path before irradiating it to the first reflecting surface, and the light path reflected by the first reflecting surface is irradiated to the second reflecting surface, wherein the first reflecting surface and the second reflecting surface are inclined surfaces that form an angle with the central axis of the concentrator.
[0010] Preferably, a patterned diffusion surface is formed on the inner lampshade, and the concentrator is used to collimate the light path and emit it through the patterned diffusion surface in front. The light path is reflected by the third reflection surface and then transmitted through the aluminum-plated reflection surface, and finally emitted from the diamond patterned light-emitting surface.
[0011] Preferably, the first reflecting surface, the second reflecting surface, the pattern diffusion surface, and the aluminum-plated reflecting surface may be formed with corrosive leather patterns, horizontal stripe patterns, or fisheye patterns. The use of patterns can make the light path distribution more uniform, thereby improving the lighting effect.
[0012] Preferably, the third reflective surface is formed by a reflective material electroplated on the bracket.
[0013] Preferably, the thickness of the inner lampshade is between 2mm and 5mm, the reflectivity of the aluminum plating on the inner surface of the inner lampshade needs to be between 50% and 80%, and the transmittance is between 50% and 20%. The smaller the spacing between the inner lampshade and the reflective bracket, the stronger the supplement of the diffused pattern light on the front surface of the concentrator to the light on the outer surface of the inner lampshade. The larger the spacing between the inner lampshade and the reflective bracket, the weaker the supplement of the diffused pattern light on the front surface of the concentrator to the light on the outer surface of the inner lampshade. At the same time, a diamond pattern is made on the outer surface of the inner lampshade so that the LED lamp can form a diamond effect.
[0014] Preferably, a light source is provided on one side of the concentrator, and the light source is arranged with two, three or RGB color LEDs.
[0015] Preferably, the light source is set to be a light source of at least one color among white, yellow, red and blue.
[0016] Preferably, the light sources share a same PCB.
[0017] Compared with the prior art, the beneficial effects of the utility model are:
[0018] In the utility model, by aluminum plating the inner surface of the inner lampshade and using a high-reflective white material to prepare a reflective bracket, light is reflected cyclically to enhance the diamond lighting effect. In addition, aluminum plating can be performed on the front surface of the inner lampshade or on the bottom surface, and also on the surface of the bracket. The diamond effect formed will vary with the different aluminum plating areas. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0021] Figure 2 This is a schematic diagram of the first type of light refraction of the light source body of the utility model;
[0022] Figure 3 This is a schematic diagram of the second light refraction of the light source body of the utility model;
[0023] Figure 4 This is a schematic diagram of the third light refraction of the light source body of the utility model;
[0024] In the figure: 1, inner lampshade; 2, first reflecting surface; 3, second reflecting surface; 4, pattern diffusion surface; 5, aluminum-plated reflecting surface; 6, stone pattern light-emitting surface; 7, bracket; 8, third reflecting surface; 9, condenser; 10, light source. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0026] See also Figure 1 The utility model provides an optical system with a diamond effect and improved LED utilization, and the technical scheme is as follows: an optical system with a diamond effect and improved LED utilization, comprising an inner lampshade 1, wherein the inner lampshade 1 is formed with a first reflection surface 2, a second reflection surface 3, a pattern diffusion surface 4, an aluminum-plated reflection surface 5 and a diamond pattern light-emitting surface 6;
[0027] The bracket 7 has a third reflecting surface 8 formed on one side of the bracket 7 close to the inner lampshade 1, and the distance between the third reflecting surface 8 and the aluminum-plated reflecting surface 5 gradually decreases, so that the light path reflected by the third reflecting surface 8 supplements the overall light output.
[0028] Furthermore, the inner lampshade 1 is also formed with a concentrator 9, which is used to collimate the light path and then direct it to the first reflection surface 2, and the light path reflected by the first reflection surface 2 is directed to the second reflection surface 3, wherein the first reflection surface 2 and the second reflection surface 3 are inclined surfaces that form an angle with the central axis of the concentrator 9.
[0029] Furthermore, a patterned diffusion surface 4 is formed on the inner lampshade 1, and the concentrator 9 is used to collimate the light path and emit it through the patterned diffusion surface 4 in front. The light path is reflected by the third reflection surface 8 and then transmitted through the aluminum-plated reflection surface 5, and finally emitted from the diamond patterned light-emitting surface 6.
[0030] Furthermore, the first reflecting surface 2, the second reflecting surface 3, the pattern diffusion surface 4, and the aluminum-plated reflecting surface 5 may be formed with corrosive leather patterns, horizontal stripe patterns, or fisheye patterns.
[0031] Furthermore, the third reflective surface 8 is formed by a reflective material electroplated on the bracket 7 .
[0032] Furthermore, the thickness of the inner lampshade 1 is between 2 mm and 5 mm.
[0033] Furthermore, a light source 10 is disposed on one side of the concentrator 9, and the light source 10 is arranged with two, three or RGB color LEDs.
[0034] Furthermore, the light source 10 is configured to be a light source 10 of at least one color among white, yellow, red, and blue.
[0035] Furthermore, the light sources 10 share the same PCB.
[0036] The working principle of the utility model is as follows: Figure 1 The optical system includes: an inner lampshade 1, on which a first reflecting surface 2, a second reflecting surface 3, a pattern diffusion surface 4, an aluminum-plated reflecting surface 5 (semi-transparent and semi-reflective) and a diamond pattern light-emitting surface 6 are formed; a bracket 7, on a surface of the bracket 7 close to the inner lampshade 1, a third reflecting surface 8 is formed, and the distance between the third reflecting surface 8 and the aluminum-plated reflecting surface 5 (semi-transparent and semi-reflective) gradually changes from large to small, so that the light path reflected by the third reflecting surface 8 supplements the overall light output, and the lighting effect is further improved.
[0037] Specifically, Figure 2 When the light from the LED light source 10 enters the system through the collimated incident concentrator 9, it passes through the first reflecting surface 2 and the second reflecting surface 3 ( Figure 2 ) is reflected and reaches the outer surface of the inner lampshade 1, part of the light is refracted, part of the light is reflected and reaches the aluminum-plated area on the inner surface of the inner lampshade 1 (semi-transmissive and semi-reflective), part of the light is reflected and emitted through the outer surface of the inner lampshade 1, and the other part of the light passes through the aluminum-plated area and reaches the outer surface of the bracket 71, the light is reflected on the outer surface of the bracket 71, passes through the aluminum-plated area, and refracted on the diamond-patterned light-emitting surface 6 on the outer surface of the inner lampshade 1.
[0038] Further, such as Figure 3 When the light from the LED light source 10 enters the system through the collimated incident concentrator 9, it is diffused by the front pattern surface ( Figure 3 ) and reaches the aluminum-plated area on the inner surface of the inner lampshade 1 (semi-transmissive and semi-reflective). Part of the light passes through the aluminum-plated area and is refracted by the outer surface of the inner lampshade 1. The other part of the light is reflected and reaches the outer surface of the bracket 71. The light is reflected on the outer surface of the bracket 71, passes through the inner surface of the inner lampshade 1, and is refracted by the diamond-patterned light-emitting surface 6 on the outer surface of the inner lampshade 1.
[0039] Further, such as Figure 4 When the light from the LED light source 10 enters the system through the collimated incident concentrator 9, it is diffused by the front pattern surface ( Figure 4 ) is emitted and reaches the outer surface of the bracket 71. The light is reflected to the inner surface of the inner lampshade 1 (semi-transmissive and semi-reflective). Part of the light passes through the aluminum-plated area and is refracted through the diamond-patterned light-emitting surface 6 on the outer surface of the inner lampshade 1. The other part of the light is reflected back to the outer surface of the bracket 71, reflected again, passes through the inner surface of the inner lampshade 1, and is refracted through the diamond-patterned light-emitting surface 6 on the outer surface of the inner lampshade 1.
[0040] Furthermore, a portion of the light emitted by the light source 10 is totally reflected twice by the inclined surface in front of the concentrator 9, and after entering the inner lampshade 1, a small portion of the light passes through the aluminum-plated area on the inner surface of the inner lampshade 1 (semi-transparent and semi-reflective), and most of the light is totally reflected by the local aluminum-plated inner surface of the inner lampshade 1, and is emitted from the diamond patterned surface on the outer surface of the inner lampshade 1 to form a diamond effect. Another portion of the light emitted by the light source 10 is emitted through the diffusion pattern on the front surface of the concentrator 9, and is totally reflected on the outer surface of the bracket 71. A small portion of the light passes through the aluminum-plated area on the inner surface of the inner lampshade 1 (semi-transparent and semi-reflective), and most of the light is totally reflected on the outer surface of the bracket 71 and is totally reflected again on the aluminum-plated area on the inner surface of the inner lampshade 1. This is repeated to supplement the light emitted from the outer surface of the inner lampshade 1 and enhance the diamond effect.
[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. An optical system with diamond effect and improved LED utilization, characterized in that: The invention comprises an inner lampshade (1), wherein the inner lampshade (1) is formed with a first reflection surface (2), a second reflection surface (3), a pattern diffusion surface (4), an aluminum-plated reflection surface (5) and a diamond pattern light emitting surface (6); A bracket (7), wherein a third reflecting surface (8) is formed on a surface of the bracket (7) close to the inner lampshade (1), and the distance between the third reflecting surface (8) and the aluminum-plated reflecting surface (5) gradually decreases from large to small, so that the light path reflected by the third reflecting surface (8) supplements the overall light output.
2. The optical system with diamond effect and improved LED utilization rate according to claim 1, characterized in that: The inner lampshade (1) is also formed with a condenser (9), and the condenser (9) is used to collimate the light path and then emit it to the first reflection surface (2), and the light path reflected by the first reflection surface (2) is emitted to the second reflection surface (3), wherein the first reflection surface (2) and the second reflection surface (3) are inclined surfaces that form an angle with the central axis of the condenser (9).
3. The optical system with diamond effect and improved LED utilization rate according to claim 2, characterized in that: The inner lampshade (1) is also formed with a pattern diffusion surface (4), and the condenser (9) is used to collimate the light path and emit it through the front pattern diffusion surface (4), and the light path is reflected by the third reflection surface (8) and then transmitted through the aluminum-plated reflection surface (5), and finally emitted from the diamond pattern light emitting surface (6).
4. The optical system with diamond effect and improved LED utilization rate according to claim 3, characterized in that: The first reflecting surface (2), the second reflecting surface (3), the pattern diffusion surface (4), and the aluminum-plated reflecting surface (5) may be formed with corrosive leather patterns, horizontal stripe patterns, or fisheye patterns.
5. The optical system with diamond effect and improved LED utilization rate according to claim 3, characterized in that: The third reflective surface (8) is formed by a reflective material electroplated on the bracket (7).
6. The optical system with diamond effect and improved LED utilization rate according to claim 3, characterized in that: The thickness of the inner lampshade (1) is between 2 mm and 5 mm.
7. The optical system with diamond effect and improved LED utilization rate according to claim 3, characterized in that: A light source (10) is provided on one side of the condenser (9), and the light source (10) is arranged with LEDs of two, three or RGB colors.
8. The optical system with diamond effect and improved LED utilization rate according to claim 7, characterized in that: The light source (10) is configured as a light source (10) of at least one color among white, yellow, red, and blue.
9. The optical system with diamond effect and improved LED utilization rate according to claim 8, characterized in that: The light sources (10) share the same PCB.