Signal lamp optical system and signal lamp
By adopting the design of multiple reflective surfaces and focusing structures in the signal light optical system, the problem that reflective light-guiding structures are difficult to achieve uniform light output and high light efficiency in a limited space is solved, and the multifunctional optical efficiency and miniaturized design of the signal light are realized.
Patent Information
- Application Number
- CN202410455261.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-16
- Publication Date
- 2025-10-24
AI Technical Summary
Existing reflective light guide structures have difficulty in achieving uniform light output and high light efficiency in a limited space, and are also unable to realize different light functions.
A signal light optical system adopts a multi-reflective surface design, including a first reflective surface and a second reflective surface with staggered settings. Combined with a focusing reflective surface and a light-transmitting structure, it uses multiple light sources and reflective surfaces in a staggered arrangement to achieve different light functions, and modulates the light through a light distribution mirror to improve optical efficiency.
It achieves uniform light output and high light efficiency in a limited space, and can realize different light functions at the same time. It has a simple structure, occupies a small area, and is suitable for the miniaturization design of signal lights.
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Figure CN120830822A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of vehicle lamps, in particular to a signal lamp optical system. In addition, the present application also relates to a signal lamp. BACKGROUND
[0002] In the existing vehicle signal lamp, a light guide structure is generally used to collimate light. Commonly used light guide structures mainly include direct reflection type, reflection type, and a combination of direct reflection and reflection. In addition, the signal lamp needs to be provided with a continuous lighting area, and a plurality of light sources and light guide structures need to be provided in correspondence with the continuous lighting area. Because the light guide structure has a deep and transparent feeling when not lit, and a three-dimensional and crystal feeling when lit, it is deeply loved by consumers.
[0003] However, the existing reflection type light guide structure is usually relatively simple in shape, and if a relatively uniform light emission effect and a relatively high light efficiency are to be achieved, a relatively large space is required, and the depth of the light guide structure needs to be considered during the design process. In addition, the single-structure reflection type light guide structure cannot achieve different light functions.
[0004] Based on the above reasons, the prior art cannot effectively ensure that the light guide structure is provided in a limited space to make the signal lamp optical system have a uniform light emission effect and a high light efficiency while achieving different light functions. SUMMARY
[0005] The problem to be solved by the present application is to provide a signal lamp optical system. The reflection element of the signal lamp optical system reflects light emitted by a light source through different reflection surfaces of the reflection element, thereby achieving different light functions and improving light emission efficiency.
[0006] In addition, the problem to be solved by the present application is to provide a signal lamp. The signal lamp has a simple structure and can achieve different light functions with high optical efficiency.
[0007] To solve the above technical problems, the present application provides a signal lamp optical system. The signal lamp optical system comprises a light source and a reflection element. The light source comprises a first light source and a second light source. The first light source and the second light source are arranged on a circuit board. The reflection element comprises a first reflection surface and a second reflection surface. The first reflection surface and the second reflection surface are arranged in a staggered manner so that the first reflection surface and the second reflection surface do not block each other. The first light source corresponds to the first reflection surface, and the second light source corresponds to the second reflection surface. Light emitted by the first light source is reflected by the first reflection surface after being emitted. Light emitted by the second light source is reflected by the second reflection surface after being emitted.
[0008] Preferably, a first connecting portion is integrally connected between the first reflection surface and the second reflection surface. A first light transmission structure is arranged on the first connecting portion. Light emitted by the first light source is reflected by the first reflection surface after being emitted through the first light transmission structure.
[0009] Preferably, the reflecting element further comprises a first light collecting reflecting surface, which is arranged on one side of the first light source and corresponds to the first light source, and part of the light emitted by the first light source is reflected by the first light collecting reflecting surface and then reflected by the first reflecting surface and emitted.
[0010] Preferably, the reflecting element further comprises a second light collecting reflecting surface, which is arranged on the other side of the first light source and corresponds to the first light source, and part of the light emitted by the first light source is reflected by the second light collecting reflecting surface and then reflected by the first reflecting surface and emitted.
[0011] Preferably, the first reflecting surface, the first light collecting reflecting surface, the second light collecting reflecting surface and the second reflecting surface are connected as a whole, wherein the first light collecting reflecting surface and the second light collecting reflecting surface are integrally connected by a second connecting portion, and the second connecting portion is provided with a second light passing structure.
[0012] Preferably, the first light collecting reflecting surface and the second reflecting surface are formed as a transparent light guide member having a first light passing portion, the first light collecting reflecting surface is located on the inner surface of the transparent light guide member, and the second reflecting surface is located on the outer surface of the transparent light guide member, the first light source is arranged corresponding to the light inlet end of the first light passing portion, the light emitted by the first light source is incident into the first light passing portion through the light inlet end, part of the light is refracted and emitted through the light outlet end of the first light passing portion after being reflected by the first light collecting reflecting surface, and then is emitted after being reflected by the first reflecting surface.
[0013] Preferably, the signal light optical system further comprises a first light outlet surface corresponding to the first reflecting surface, and the first light outlet surface, the first reflecting surface, the first light collecting reflecting surface and the second reflecting surface are formed as a transparent light guide member having a second light passing portion, the first light collecting reflecting surface is located on the inner surface of the transparent light guide member, and the second reflecting surface is located on the outer surface of the transparent light guide member, the first light source is arranged corresponding to the light inlet end of the second light passing portion, the light emitted by the first light source is incident into the second light passing portion through the light inlet end of the second light passing portion, part of the light is refracted and emitted through the first light outlet surface after being reflected by the first reflecting surface and then by the first light collecting reflecting surface.
[0014] Preferably, the signal light optical system further comprises a light distribution mirror arranged on the light outlet side of the reflecting element, the light distribution mirror comprises a first light distribution mirror corresponding to the first reflecting surface and a second light distribution mirror corresponding to the second reflecting surface, and the first light distribution mirror and the second light distribution mirror are arranged in a frame and connected as a whole by the frame.
[0015] Preferably, the first light source and the second light source are arranged on the same circuit board.
[0016] In addition, another aspect of the present application also provides a signal light comprising the signal light optical system according to any one of the above technical solutions.
[0017] The signal light optical system of the present application has the following advantages:
[0018] First, the reflecting element of the signal light optical system of the present application has a plurality of reflecting surfaces, respectively including a first reflecting surface and a second reflecting surface, the light source includes a first light source and a second light source, the light emitted by the first light source can be directly incident on the first reflecting surface, the light emitted by the second light source can be directly reflected by the second reflecting surface, and the plurality of reflecting surfaces are arranged in a staggered manner, so that the first reflecting surface and the second reflecting surface do not block each other, different light functions are realized, the optical efficiency is effectively improved, and the structure is relatively simple.
[0019] Second, the reflecting element of the signal light optical system of the present application can also be provided with a light collecting structure, which further improves the light emitting effect and improves the optical efficiency.
[0020] Third, the reflecting element of the signal light optical system of the present application can also be provided with a first light collecting reflecting surface and a second light collecting reflecting surface, the first light collecting reflecting surface and the first reflecting surface can be connected as a whole, or can be an integral formed part, the second light collecting reflecting surface and the second reflecting surface are connected as a whole, or can be an integral formed part, or the first light collecting reflecting surface and the second light collecting reflecting surface are integrally connected with a second connecting portion, thereby effectively reducing the occupied area of the signal light system, and providing an effective technical solution for the miniaturization design of the signal light.
[0021] Other advantages of the present application and technical effects of the preferred embodiments will be further described in the specific embodiments below. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 is a structural schematic diagram of a first specific embodiment of the signal light optical system of the present application;
[0023] Figure 2 is a structural schematic diagram of a second specific embodiment of the signal light optical system of the present application;
[0024] Figure 3 is a side view of Figure 1 ;
[0025] Figure 4 is a light path diagram of the first specific embodiment of the signal light optical system of the present application;
[0026] Figure 5 is a structural schematic diagram of a third specific embodiment of the signal light optical system of the present application;
[0027] Figure 6 is a structural schematic diagram of a fourth specific embodiment of the signal light optical system of the present application;
[0028] Figure 7This is one of the structural diagrams of the second specific embodiment of the signal light optical system of the present application;
[0029] Figure 8 This is the second structural diagram of the second specific embodiment of the signal light optical system of the present application;
[0030] Figure 9 This is the third structural diagram of the second specific embodiment of the signal light optical system of the present application;
[0031] Figure 10 This is the fourth structural diagram of the second specific embodiment of the signal light optical system of the present application;
[0032] Figure 11 This is one of the structural diagrams of the third specific embodiment of the signal light optical system of the present application;
[0033] Figure 12 yes Figure 11 Side view of
[0034] Figure 13 This is the second structural diagram of the third specific embodiment of the signal light optical system of the present application;
[0035] Figure 14 This is the third structural diagram of the third specific embodiment of the signal light optical system of the present application;
[0036] Figure 15 This is one of the structural diagrams of the fourth specific embodiment of the signal light optical system of the present application;
[0037] Figure 16 yes Figure 15 Side view of
[0038] Figure 17 This is the second structural diagram of the fourth specific embodiment of the signal light optical system of the present application;
[0039] Figure 18 This is the third structural diagram of the fourth specific embodiment of the signal light optical system of the present application;
[0040] Figure 19 This is one of the structural diagrams of the fifth specific embodiment of the signal light optical system of the present application;
[0041] Figure 20 yes Figure 19 Side view of
[0042] Figure 21 This is the second structural diagram of the fifth specific embodiment of the signal light optical system of the present application;
[0043] Figure 22Fig. 3 is a structural schematic diagram of a third embodiment of the signal light optical system of the present application.
[0044] Explanation of reference numerals
[0045] 1 light source 101 first light source
[0046] 102 second light source 2 reflecting element
[0047] 201 first reflecting surface 202 second reflecting surface
[0048] 2031 first condensing reflecting surface 2032 second condensing reflecting surface
[0049] 204 second connecting portion 205 second light passing structure
[0050] 206 first light passing structure 207 first light passing portion light entering end
[0051] 208 first light passing portion 209 first light passing portion light exiting end
[0052] 210 first light exiting surface 211 second light passing portion
[0053] 3 circuit board 4 frame
[0054] 5 light distribution lens 501 first light distribution lens
[0055] 502 second light distribution lens DETAILED DESCRIPTION
[0056] The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are merely intended to explain and illustrate the present application, and the scope of protection of the present application is not limited to the specific embodiments described below.
[0057] In the description of the present application, it should be further noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection" should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integral connection; can be direct connection, or indirect connection through intermediate medium, can be internal communication of two elements or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0058] In the description of the present application, it is necessary to explain that in the following description, some orientation words related to the technical solutions of the present application, such as "up", "down", "left", "right", etc. are based on the normal use orientation of the signal light optical system. "Front" refers to the direction of the light emitting direction, "back" refers to the direction opposite to "front", "up" and "down" refer to the vertical direction after the signal light is assembled on the vehicle. The terms are based on the direction or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0059] The present application provides a signal light optical system, comprising a light source 1 and a reflecting element 2, the light source 1 comprises a first light source 101 and a second light source 102, the first light source 101 and the second light source 102 are arranged on a circuit board, the reflecting element 2 comprises a first reflecting surface 201 and a second reflecting surface 202, the first reflecting surface 201 and the second reflecting surface 202 are arranged in a staggered manner so that the first reflecting surface 201 and the second reflecting surface 202 do not block each other, the first light source 101 corresponds to the first reflecting surface 201, the second light source 102 corresponds to the second reflecting surface 202, the light emitted by the first light source 101 is reflected by the first reflecting surface 201 and then emitted, and the light emitted by the second light source 102 is reflected by the second reflecting surface 202 and then emitted.
[0060] In the present application, the number of light sources 1 can be set to multiple, and the type of light source 1 can be set to different, that is, light sources 1 of different light emitting colors and different powers can be arranged on the circuit board, preferably on the same mounting surface of the circuit board, which reduces the requirement for mounting space and facilitates the miniaturization of the signal light. In addition, the first reflecting surface 201 and the second reflecting surface 202 correspond to the first light source 101 and the second light source 102 respectively, the first reflecting surface 201 and the second reflecting surface 202 are arranged in a staggered manner and do not block each other, which is beneficial to realize different signal light functions.
[0061] In one specific embodiment of the present application, as shown in Figures 19-22 A first connecting portion 212 is integrally connected between the first reflecting surface 201 and the second reflecting surface 202, and a first light transmission structure 206 is arranged on the first connecting portion 212. The light emitted by the first light source 101 is reflected by the first reflecting surface 201 after passing through the first light transmission structure 206. The first reflecting surface 201 and the second reflecting surface 202 are connected as a whole to improve the integration of the signal light optical system.
[0062] In one specific embodiment of the present application, as shown in Figures 1-6As shown in the figure, the reflective element 2 further comprises a first light-converging reflective surface 2031, which is arranged on one side of the first light source 101 and corresponds to the first light source 101, and part of the light emitted by the first light source 101 is reflected by the first light-converging reflective surface 2031 and then reflected by the first reflective surface 201 and emitted. The arrangement of the first light-converging reflective surface 2031 can converge the light emitted by the first light source 101, thereby improving the light efficiency of the light function realized by the first light source 101. Further, the first light-converging reflective surface 2031 and the first reflective surface 201 are connected as a whole, and can also be an integrally formed piece, so as to improve the integration of the optical system of the signal lamp.
[0063] In one specific embodiment of the present application, as shown in the figure, Figures 1-6 the reflective element 2 further comprises a second light-converging reflective surface 2032, which is arranged on the other side of the first light source 101 and corresponds to the first light source 101, and part of the light emitted by the first light source 101 is reflected by the second light-converging reflective surface 2032 and then reflected by the first reflective surface 201 and emitted. The arrangement of the second light-converging reflective surface 2032 can converge the light emitted by the first light source 101, thereby further improving the light efficiency of the light function realized by the first light source 101. Further, the second light-converging reflective surface 2032 and the second reflective surface 202 are connected as a whole, and can also be an integrally formed piece, so as to improve the integration of the optical system of the signal lamp.
[0064] In one specific embodiment of the present application, as shown in the figure, Figures 7-10 the first reflective surface 201, the first light-converging reflective surface 2031, the second light-converging reflective surface 2032, and the second reflective surface 202 are connected as a whole, wherein the first light-converging reflective surface 2031 and the second light-converging reflective surface 2032 are integrally connected by a second connecting portion 212, and the second connecting portion 212 is provided with a first light-transmitting structure 206.
[0065] By arranging the first light-transmitting structure 206 on the second connecting portion 212, the light emitted by the first light source 101 passes through the first light-transmitting structure 206 and then is incident on the first light-converging reflective surface 2031, the second light-converging reflective surface 2032, and the first reflective surface 201. It can be conceived that the second connecting portion 212 can also be arranged to be detachably connected with the first light-converging reflective surface 2031 and the second light-converging reflective surface 2032, and is connected by a fastener.
[0066] In one preferred embodiment of the present application, as shown in the figure, Figure 7 and Figure 10 the first light-transmitting structure 206 is formed as a plurality of circular through holes, and each circular through hole corresponds to the first light source 101.
[0067] In one preferred embodiment of the present application, as shown in the figure, Figures 19-22As shown, the first light transmission structure 206 is formed as a strip-shaped through hole, and two ends of the strip-shaped through hole are formed as a plane, an arc surface or a semicircular surface.
[0068] In a specific embodiment of the present application, as shown in Figures 11-14 As shown, the first light transmission structure 206 is formed as a strip-shaped through hole, and two ends of the strip-shaped through hole are formed as a plane, an arc surface or a semicircular surface.
[0069] Further, the light-incident end 207 is formed as a light condensing structure, which is preferably a light condensing cup or a light condenser or an outward convex curved surface. The light emitted by the first light source 101 is converged by the light-incident end 207 and then enters the first light transmission part 208. In this embodiment, the light efficiency is improved by the light condensing structure, and the light emission effect is better.
[0070] In a preferred embodiment of the present application, as shown in Figures 15-18 As shown, the signal light optical system is further provided with a first light emission surface 210 corresponding to the first reflecting surface 201. The first light emission surface 210, the first reflecting surface 201, the first light condensing reflecting surface 2031 and the second reflecting surface 202 are formed as a transparent light guide part with a second light transmission part 211. The first light condensing reflecting surface 2031 is located on the inner surface of the transparent light guide part, and the second reflecting surface 202 is located on the outer surface of the transparent light guide part. The first light source 101 is arranged corresponding to the light-incident end of the second light transmission part 211. The light emitted by the first light source 101 enters the second light transmission part 211 through the light-incident end. Part of the light is reflected by the first light condensing reflecting surface 2031, then reflected by the first reflecting surface 201 and then refracted by the first light emission surface 210. In this embodiment, the integration of the first reflecting surface 201 and the second reflecting surface 202 is further improved, and the optical surface for modulating the light is increased by the first light emission surface 210, thereby improving the uniformity of the light.
[0071] In a specific embodiment of the present application, as shown in Figure 4As shown in the figure, the signal lamp optical system further comprises a light distribution mirror 5 arranged on the light exit side of the reflecting element 2, the light distribution mirror 5 comprises a first light distribution mirror 501 corresponding to the first reflecting surface 201 and a second light distribution mirror 502 corresponding to the second reflecting surface 202 respectively, the first light distribution mirror 501 and the second light distribution mirror 502 are arranged in the frame 4 and are connected as a whole through the frame 4. By arranging the light distribution mirror 5, the light emitted by the first reflecting surface 201 and the second reflecting surface 202 is modulated, and the uniformity of the light is improved.
[0072] In one specific embodiment of the present application, as shown in the figure, the first light source 101 and the second light source 102 are arranged on the same circuit board 3. By arranging the first light source 101 and the second light source 102 on the same circuit board 3, the integration of the signal lamp optical system is improved, the requirement for the installation space is further reduced, and the miniaturization of the signal lamp is realized. Figure 4
[0073] The present application also provides a signal lamp comprising the signal lamp optical system according to any one of the above technical solutions.
[0074] The preferred embodiments of the present application are described in detail above in combination with the drawings, but the present application is not limited to the specific details in the above embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.
[0075] In addition, it should be noted that various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present application will not further describe various possible combination manners.
[0076] In addition, various different embodiments of the present application can also be combined in any appropriate manner, as long as it does not deviate from the idea of the present application, it should also be considered as disclosed in the present application.
Claims
1. A signal light optical system characterized by comprising: The application relates to a light source (1) and a reflecting element (2), the light source (1) comprising a first light source (101) and a second light source (102), the first light source (101) and the second light source (102) being arranged on a circuit board, the reflecting element (2) comprising a first reflecting surface (201) and a second reflecting surface (202), the first reflecting surface (201) and the second reflecting surface (202) being arranged in a staggered manner so that the first reflecting surface (201) and the second reflecting surface (202) do not block each other, the first light source (101) corresponding to the first reflecting surface (201), the second light source (102) corresponding to the second reflecting surface (202), light emitted by the first light source (101) being reflected by the first reflecting surface (201) and then emitted, light emitted by the second light source (102) being reflected by the second reflecting surface (202) and then emitted.
2. The signal light optical system according to claim 1, characterized by The first reflecting surface (201) and the second reflecting surface (202) are integrally connected with a first connecting portion (212), the first connecting portion (212) being provided with a first light transmission structure (206), light emitted by the first light source (101) being reflected by the first reflecting surface (201) after passing through the first light transmission structure (206) and then emitted.
3. The signal light optical system according to claim 1, characterized by The reflecting element (2) further comprises a first light collecting reflecting surface (2031), the first light collecting reflecting surface (2031) being arranged on one side of the first light source (101) and corresponding to the first light source (101), part of light emitted by the first light source (101) being reflected by the first light collecting reflecting surface (2031) and then reflected by the first reflecting surface (201) and then emitted.
4. The signal light optical system according to claim 3, characterized by The reflecting element (2) further comprises a second light collecting reflecting surface (2032), the second light collecting reflecting surface (2032) being arranged on the other side of the first light source (101) and corresponding to the first light source (101), part of light emitted by the first light source (101) being reflected by the second light collecting reflecting surface (2032) and then reflected by the first reflecting surface (201) and then emitted.
5. The signal light optical system according to claim 4, characterized by The first reflecting surface (201), the first light collecting reflecting surface (2031), the second light collecting reflecting surface (2032) and the second reflecting surface (202) are integrally connected, wherein the first light collecting reflecting surface (2031) and the second light collecting reflecting surface (2032) are integrally connected with a second connecting portion (204), the second connecting portion (204) being provided with a second light transmission structure (205).
6. The signal light optical system according to claim 3, characterized by The first light-collecting reflective surface (2031) and the second reflective surface (202) are formed as a transparent light guide with a first light transmission part (208), the first light-collecting reflective surface (2031) is located on the inner surface of the transparent light guide, the second reflective surface (202) is located on the outer surface of the transparent light guide, the first light source (101) is arranged corresponding to the first light transmission part light inlet end (207) of the first light transmission part (208), the light emitted by the first light source (101) is incident into the first light transmission part (208) through the first light transmission part light inlet end (207), part of the light is reflected by the first light-collecting reflective surface (2031) and then refracted out through the first light transmission part light outlet end (209), and then emitted by the first reflective surface (201).
7. The signal light optical system according to claim 3, characterized by The signal light optical system is further provided with a first light outlet surface (210) corresponding to the first reflective surface (201), the first light outlet surface (210), the first reflective surface (201), the first light-collecting reflective surface (2031) and the second reflective surface (202) are formed as a transparent light guide with a second light transmission part (211), the first light-collecting reflective surface (2031) is located on the inner surface of the transparent light guide, the second reflective surface (202) is located on the outer surface of the transparent light guide, the first light source (101) is arranged corresponding to the light inlet end of the second light transmission part (211), the light emitted by the first light source (101) is incident into the second light transmission part (211) through the light inlet end of the second light transmission part (211), part of the light is reflected by the first light-collecting reflective surface (2031) and then reflected by the first reflective surface (201), and then emitted by the first light outlet surface (210) after refraction.
8. The signal light optical system according to any one of claims 1 to 7, characterized by, The signal light optical system further comprises a light distribution mirror (5) arranged on the light outlet side of the reflective element (2), the light distribution mirror (5) comprises a first light distribution mirror (501) corresponding to the first reflective surface (201) and a second light distribution mirror (502) corresponding to the second reflective surface (202), the first light distribution mirror (501) and the second light distribution mirror (502) are arranged in a frame (4) and connected into one body through the frame (4).
9. The signal light optical system according to any one of claims 1 to 7, characterized by, The first light source (101) and the second light source (102) are arranged on the same circuit board (3).
10. A signal light, characterized by The signal light optical system comprises the signal light optical system according to any one of claims 1 to 9. The signal light optical system comprises the signal light optical system according to any one of claims 1 to 9.