A reflection-in light structure and a reflection-in light atmosphere lamp
By using a reflector structure to concentrate the light emitted by the light source to a 120° angle, the problem of low light efficiency of the skylight ambient light is solved, achieving a 4-fold increase in light efficiency and facilitating product maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KEBODA TECH CO LTD
- Filing Date
- 2025-07-18
- Publication Date
- 2026-07-21
AI Technical Summary
The existing sunroof ambient lights have low luminous efficacy at the LED light input end, and the light can only effectively propagate at a 30° angle in the sunroof glass, resulting in low overall luminous efficacy.
The light-reflecting structure, which uses a reflector, concentrates the light emitted from the light source to a 120° angle through the curved reflective surface. By using the first and second reflection focal points of the reflector, the light is focused into the light guide glass, thereby improving the light utilization efficiency.
The light efficiency is increased to four times that of the original, achieving more efficient light utilization, and the reflector assembly is detachable for easy product maintenance.
Smart Images
Figure CN224534111U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of optics, specifically to a reflective light-incident structure and a reflective light-incident ambient light. Background Technology
[0002] Currently, sunroof ambient lighting uses light-guiding glass to guide LED light into the glass, where it is reflected and then illuminated by reflective ink on the glass. However, the luminous efficacy of the LED light source is currently relatively low. Figure 1 The diagram shows the current light-introducing method, which consists of LED 01, PCBA board 06, light guide glass 02, skylight glass 03, 3M adhesive 04, and light-shielding strip 05. The LED light enters the skylight glass through the light guide glass, and the light is continuously reflected and propagated within the skylight glass.
[0003] like Figure 2 The diagram shows the light propagation path. The LED has a light emission angle of 120°, but only 30° of light can enter the sunroof glass and propagate within it. At the light entry point, 3 / 4 of the light efficiency is lost, resulting in low overall light efficiency.
[0004] Therefore, it is necessary to provide a new technical solution. Utility Model Content
[0005] To address the technical problems existing in the prior art, this utility model discloses a reflective light-incident structure and a reflective light-incident ambient light. It can collect light from a light source at a 120° angle through a reflector, resulting in a luminous efficiency approximately four times that of the original, thus greatly improving light utilization efficiency. The specific technical solution is as follows:
[0006] On the one hand, this utility model provides a reflective light-incident structure, which includes a reflector, a light source, and a first substrate.
[0007] The reflector is elongated and has an arc-shaped reflective surface and a reflective cavity formed by the arc-shaped reflective surface. The arc-shaped reflective surface extends along the length direction of the reflector. On a plane perpendicular to the length direction of the reflector, the arc-shaped reflective surface has a first reflection focus and a second reflection focus.
[0008] At least one light source is located on one side of the reflecting cavity and faces the reflecting cavity, and the light emission center of the light source is located at the first reflection focal point;
[0009] The first substrate is located on the other side of the reflective cavity, and the second reflection focus is located on the surface of the first substrate closer to the reflective cavity.
[0010] The light emitted by the light source shines on the arc-shaped reflective surface, which reflects the light and then focuses it at the second reflection focal point into the first substrate. The light entering the first substrate is projected out from one surface of the first substrate.
[0011] Furthermore, it also includes a PCBA board, on which the light source is mounted;
[0012] The reflector further includes a first connecting plate and a second connecting plate. The first connecting plate extends outward from one edge of the reflective cavity, and the second connecting plate extends outward from the other edge of the reflective cavity. The PCBA board is connected to the first connecting plate, and the second connecting plate is fixed to the other surface of the first substrate.
[0013] Furthermore, the second connecting plate is a mounting surface.
[0014] Furthermore, the PCBA board is detachably connected to the first connecting plate, and the PCBA board is detachably connected to the first connecting plate by clips, screws and / or rivets;
[0015] The second connecting plate is bonded to the other surface of the first substrate by an adhesive.
[0016] Furthermore, it also includes a bracket, one side of which is bonded and fixed to the other surface of the first substrate, and the other side of which is detachably connected to the second connecting plate by means of a buckle, screw and / or rivet.
[0017] Furthermore, the light source is a plurality of LEDs, which extend along the length of the reflector, the reflector being a mirror, and the first substrate being light guide glass.
[0018] Furthermore, the arc-shaped reflective surface is an elliptical reflective surface.
[0019] On the other hand, this utility model also provides a reflective ambient light, which includes a light-shielding member, a second substrate, and the aforementioned reflective ambient light structure.
[0020] The light-shielding member has a receiving cavity, the reflective light-incident structure is located in the receiving cavity, the second substrate is covered at the opening of the receiving cavity, and the first substrate abuts against and is fixed to the second substrate. The light emitted from the first substrate enters the second substrate and is reflected and propagated within the second substrate.
[0021] Furthermore, the light-shielding component is a light-shielding strip, and the second substrate is glass.
[0022] Furthermore, the second substrate is automotive sunroof glass, and the reflective light-incident structure is located on the inner surface of the automotive sunroof glass.
[0023] This utility model has the following beneficial effects:
[0024] (1) The reflective light-incident structure and reflective light-incident ambient light of this utility model can improve the light that can only be collected at an angle of 30° to the light that can be collected at an angle of 120° by means of a reflector. The light efficiency is about 4 times that of the original, which greatly improves the light utilization efficiency.
[0025] (2) The reflective light-incident structure and reflective light-incident ambient light of this utility model have a PCBA and reflector as a reflector assembly that can be disassembled, which is beneficial for the later maintenance of the product.
[0026] (3) The reflective light-incident structure and reflective light-incident ambient light of this utility model can be detachably connected by setting a bracket, which is beneficial for the later maintenance of the product.
[0027] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0029] Figure 1 This is a schematic diagram of the light incident scheme for ambient lighting in a sunroof in the prior art;
[0030] Figure 2 for Figure 1 A schematic diagram of light propagation;
[0031] Figure 3 This is a schematic diagram of one embodiment of the reflective ambient light of this utility model;
[0032] Figure 4 for Figure 3 A schematic diagram of light propagation;
[0033] Figure 5 for Figure 3 A schematic diagram of the structure of the central reflecting mirror.
[0034] Among them, 1-reflector, 11-arc-reflective surface, 12-reflective cavity, 13-first connecting plate, 14-second connecting plate, 2-light source, 3-first substrate, 4-PCBA board, 5-bracket, 6-adhesive, 7-light shield, 8-second substrate, 9-accommodating cavity. Detailed Implementation
[0035] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.
[0036] In the description of this utility model, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0037] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0038] Please see Figures 3 to 5 , Figure 1 This is a schematic diagram of the light incident scheme for ambient lighting in a sunroof in the prior art; Figure 2 for Figure 1 A schematic diagram of light propagation; Figure 3 This is a schematic diagram of one embodiment of the reflective ambient light structure of this utility model; Figure 4 for Figure 3 A schematic diagram of light propagation; Figure 5 for Figure 3 A schematic diagram of the structure of the central reflecting mirror.
[0039] like Figure 3 As shown, this utility model provides a reflective light-incident structure, which includes a reflector 1, a light source 2, and a first substrate 3.
[0040] The reflector 1 is elongated and has an arc-shaped reflective surface 11 and a reflective cavity 12 formed by the arc-shaped reflective surface. The arc-shaped reflective surface 11 extends along the length direction of the reflector 1, and has a first reflection focus and a second reflection focus on a plane perpendicular to the length direction of the reflector 1. The reflector 1 is a mirror, and preferably, the arc-shaped reflective surface 11 is an elliptical arc-shaped reflective surface to ensure efficient light utilization.
[0041] The light source 2 consists of several LEDs arranged along the length of the reflector 1. The light source 2 is located on one side of the reflective cavity 12 and faces the reflective cavity 12. The light-emitting center of the light source 2 is located at the first reflection focal point. By setting the light-emitting center of the light source at the first reflection focal point of the reflector, the light emitted by each light source at a 120° angle can be collected through the first reflection focal point, resulting in a light efficiency approximately four times that of the original, thus greatly improving the light utilization efficiency.
[0042] Please see Figure 4 The first substrate 3 is located on the other side of the reflecting cavity 12, and the second reflection focal point is located on the surface of the first substrate 3 near the reflecting cavity 12. The first substrate is a light guide glass. This invention sets the second reflection focal point of the reflector on the surface of the light-incident side of the light guide glass, thereby smoothly guiding LED light into the glass and ensuring efficient light utilization.
[0043] Furthermore, the reflective light-incident structure also includes a PCBA board 4, on which the light source 2 is mounted. The PCBA board 4 is partially located above the reflective cavity 12. Preferably, the light source 2 faces and extends into the reflective cavity 12, ensuring that the light emitted by the light source can illuminate the arc-shaped reflective surface 11 to the maximum extent.
[0044] Please continue reading. Figure 3 and Figure 5 The reflector 1 further includes a first connecting plate 13 and a second connecting plate 14, the second connecting plate being a mounting plane. The first connecting plate 13 extends outward from one edge of the reflective cavity 12, and the second connecting plate 14 extends outward from the other edge of the reflective cavity 12. The PCBA board 4 is detachably connected to the first connecting plate 13, and the second connecting plate 14 is fixed to the other surface of the first substrate 3. In this invention, the PCBA board is connected to the first connecting plate by thermal riveting. Preferably, the PCBA board is detachably connected to the first connecting plate by clips, screws, and / or rivets, which facilitates later maintenance of the product. Preferably, the PCBA board is snapped onto the first connecting plate by clips. Preferably, the second connecting plate 14 is bonded to the other surface of the first substrate 3 by an adhesive 6. Preferably, the adhesive is 3M adhesive.
[0045] In one embodiment, a bracket 5 is also included. One side of the bracket 5 is bonded and fixed to the other surface of the first substrate 3, and the other side of the bracket 5 is detachably connected to the second connecting plate 14 by a buckle, screw and / or rivet, which is beneficial for the later maintenance of the product.
[0046] Please continue reading. Figure 3 and Figure 4 This utility model also provides a reflective ambient light, which includes a light-shielding member 7, a second substrate 8, and the aforementioned reflective ambient structure. The light-shielding member 7 is a light-shielding strip, and the second substrate 8 is glass, preferably a sunroof glass. The reflective ambient structure is located on the inner surface of the sunroof glass. This reflective ambient light is not only applicable to sunroof ambient lights.
[0047] The light-shielding member 7 forms a receiving cavity 9, and the second substrate 8 covers the opening of the receiving cavity 9. The reflective light-incident structure is located in the receiving cavity 9, and the first substrate 3 abuts against and is fixed to the second substrate 8. Preferably, one surface of the first substrate 3, i.e., the light-emitting surface, is bonded to the light-incident surface of the second substrate 8 with 3M adhesive.
[0048] like Figure 4 As shown, light emitted from light source 2 illuminates the arc-shaped reflective surface 11. The arc-shaped reflective surface 11 reflects the light, which then converges at the second reflection focal point on the side surface of the light guide glass before entering the light guide glass. The light entering the light guide glass illuminates one surface of the light guide glass and is projected from that surface into the sunroof glass, where it is continuously reflected and propagated, thus illuminating the sunroof ambient light. This invention utilizes reflective ink on the sunroof glass to reflect light, ensuring that more light is reflected to the desired location.
[0049] (1) The reflective light-incident structure and reflective light-incident ambient light of this utility model can improve the light that can only be collected at an angle of 30° to the light that can be collected at an angle of 120° by means of a reflector. The light efficiency is about 4 times that of the original, which greatly improves the light utilization efficiency.
[0050] (2) The reflective light-incident structure and reflective light-incident ambient light of this utility model have a PCBA and reflector as a reflector assembly that can be disassembled, which is beneficial for the later maintenance of the product.
[0051] (3) The reflective light-incident structure and reflective light-incident ambient light of this utility model can be detachably connected by setting a bracket, which is beneficial for the later maintenance of the product.
[0052] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.
[0053] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications and variations to the above embodiments within the scope of the present invention.
Claims
1. A reflective light-incident structure, characterized in that, It includes a reflector (1), a light source (2), and a first substrate (3). The reflector (1) is elongated and has an arc-shaped reflective surface (11) and a reflective cavity (12) formed by the arc-shaped reflective surface. The arc-shaped reflective surface (11) extends along the length direction of the reflector (1). On a plane perpendicular to the length direction of the reflector (1), the arc-shaped reflective surface (11) has a first reflection focus and a second reflection focus. At least one light source (2) is located on one side of the reflecting cavity and faces the reflecting cavity, and the light emission center of the light source is located at the first reflection focal point; The first substrate (3) is located on the other side of the reflective cavity, and the second reflection focus is located on the surface of the first substrate near the reflective cavity. The light emitted by the light source shines on the arc-shaped reflective surface, which reflects the light and then focuses it at the second reflection focal point into the first substrate. The light entering the first substrate is projected out from one surface of the first substrate.
2. The reflective light-incident structure according to claim 1, characterized in that, It also includes a PCBA board (4), on which the light source (2) is mounted; The reflector (1) further includes a first connecting plate (13) and a second connecting plate (14). The first connecting plate (13) extends outward from one edge of the reflective cavity, and the second connecting plate (14) extends outward from the other edge of the reflective cavity. The PCBA board (4) is connected to the first connecting plate (13), and the second connecting plate (14) is fixed to the other surface of the first substrate.
3. The reflective light-incident structure according to claim 2, characterized in that, The second connecting plate (14) is the mounting surface.
4. The reflective light-incident structure according to claim 2, characterized in that, The PCBA board (4) is detachably connected to the first connecting plate (13). The PCBA board (4) is detachably connected to the first connecting plate (13) by means of buckles, screws and / or rivets. The second connecting plate (14) is bonded to the other surface of the first substrate by an adhesive (6).
5. The reflective light-incident structure according to claim 2, characterized in that, It also includes a bracket (5), one side of which is bonded and fixed to the other surface of the first substrate, and the other side of which is detachably connected to the second connecting plate (14) by means of a buckle, screw and / or rivet.
6. The reflective light-incident structure according to claim 1, characterized in that, The light source (2) consists of several LEDs, which extend along the length of the reflector (1). The reflector (1) is a mirror, and the first substrate (3) is a light guide glass.
7. The reflective light-incident structure according to claim 1, characterized in that, The arc-shaped reflective surface (11) is an elliptical reflective surface.
8. A reflective ambient light, characterized in that, It includes a light-shielding member (7), a second substrate (8), and a reflective light-incident structure as described in any one of claims 1 to 7. The light-shielding member (7) forms a receiving cavity (9), the reflective light-incident structure is located in the receiving cavity (9), the second substrate (8) covers the opening of the receiving cavity (9), and the first substrate (3) abuts against and is fixed to the second substrate (8). The light emitted from the first substrate enters the second substrate and is reflected and propagated within the second substrate.
9. The ambient light with reflective incident light according to claim 8, characterized in that, The light-shielding component (7) is a light-shielding strip, and the second substrate is glass.
10. The reflective ambient light according to claim 8, characterized in that, The second substrate (8) is a car sunroof glass, and the reflective light-incident structure is located on the inner surface of the car sunroof glass.