Atmosphere lamp assembly, vehicle door plate and vehicle

Abstract

The atmosphere lamp assembly comprises a bottom plate, a functional layer and an outer wrapping layer, the outer side face of the bottom plate is provided with a side wall part and a containing part, and the position, close to the side wall part, of the containing part is provided with a through groove part; the functional layer comprises a light guide fiber braid layer, and light inlet ends of light guide fibers belonging to warps or wefts in the light guide fiber braid layer are converged into at least one optical fiber bundle end; the optical fiber bundle end penetrates through the through groove part and is fixed on the inner side surface of the bottom plate; the outer wrapping layer covers the whole outer side face of the bottom plate and reversely wraps and covers part of the inner side face of the bottom plate and part of the light guide fibers from the edge of the bottom plate to the inner side face of the bottom plate. According to the utility model, the through groove part is additionally arranged on the bottom plate, so that the optical fiber bundle end of the light guide fiber braid layer on the outer side surface of the bottom plate can penetrate through the through groove part and then is fixed on the inner side surface of the bottom plate, and the outer coating layer does not need to reversely coat the whole functional layer, so that the light guide fiber is prevented from being excessively pressed and bent to cause light leakage to influence the optical performance; and meanwhile, the coating process difficulty is reduced.

Description

Technical Field

[0001] This invention relates to the field of vehicle ambient lighting, specifically to an ambient lighting assembly, a vehicle door panel, and a vehicle. Background Technology

[0002] As vehicles increasingly move towards personalized and stylish lighting effects, vehicle door panels, due to their large surface area, have become a preferred source of surface light. One current surface light technology for vehicle door panels uses a woven layer of light-guiding fibers inside the door panel as a surface light source. For example, the ambient lighting assembly disclosed in patent CN114312556A includes a base plate 1, a soft pad layer 2, a woven layer of light-guiding fibers 4, a light-diffusing layer 5, and an outer covering layer 6.

[0003] As interior components of a vehicle, door panels are often covered in leather for tactile feel, texture, and aesthetic appeal, ensuring that the areas visible to the user are made of leather. One characteristic of this leather-covering process is the need to stretch the leather layer taut to achieve a smooth, wrinkle-free surface. This is not a problem for normal vehicle door panels. However, when combined with door panels employing fiber optic woven layered light-emitting technology, a problem arises:

[0004] Firstly, such as Figure 2 As shown, the current vehicle door panels using the optical fiber woven layer light-emitting technology also require a leather covering process. The outer covering layer 6 wraps back from the outer surface of the door panel bottom plate along the edge of the bottom plate to the inner surface of the bottom plate. Since the outer covering layer 6 is in a stretched and taut state, the outer covering layer 6 near the edge of the bottom plate 1 will apply pressure to the optical fiber 4, causing the optical fiber 4 to stick tightly to the bottom plate 1 and bend along the edge shape of the bottom plate. This results in an excessive change in the bending angle of the optical fiber, which destroys the conditions for total internal reflection of light propagation inside the optical fiber, and thus causes light leakage of the optical fiber, affecting the overall optical performance.

[0005] Secondly, in addition to the optical fiber woven layer, the surface of vehicle door panels usually includes other functional layers with specific functions. The number of layers varies from 1 to 3 as needed. The overall thickness of the functional layers is relatively large. When the leather of the outer covering layer wraps the entire functional layer backward, it causes the wrinkles at the corners where the two edges of the bottom panel intersect to increase, affecting the covering effect. Summary of the Invention

[0006] To avoid the shortcomings of the prior art, the present invention provides an ambient light assembly that can avoid excessive bending of the light guide fiber and reduce the difficulty of the coating process.

[0007] This invention proposes an ambient light assembly, comprising a base plate, a functional layer, and an outer covering layer. The base plate includes an outer side and an inner side. The outer side of the base plate has a sidewall portion and a receiving portion formed by the sidewall portion. The receiving portion has a through groove extending through the thickness direction of the base plate near the sidewall portion. The functional layer is disposed on the surface of the receiving portion, and extends in a way that fits the surface shape of the receiving portion and terminates in front of the sidewall portion. The functional layer includes a light-guiding fiber braided layer, which includes warp and weft threads woven together. At least one of the warp and weft threads is a light-guiding fiber. The light-incoming ends of the light-guiding fibers belonging to the same warp or weft thread are converged to form at least one fiber bundle end. The fiber bundle end passes through the through groove portion and is fixed to the inner side of the base plate. The outer covering layer covers the entire outer side of the base plate and wraps around the inner side of the base plate from the edge of the base plate, covering part of the inner side of the base plate and part of the light-guiding fibers. The outer covering layer has a preset light-transmitting pattern portion.

[0008] Furthermore, the through slot includes a first through slot and a second through slot. The diameter of the inscribed circle of the first through slot is larger than the outer diameter of the fiber bundle end. The second through slot is elongated and connected to the first through slot.

[0009] Furthermore, the inner surface has strip-shaped protrusions, one side of which overlaps with one side of the second through groove, and the optical fiber contacts the strip-shaped protrusions after passing through the second through groove.

[0010] Furthermore, the cross-section of the strip-shaped protrusions is arc-shaped.

[0011] Furthermore, the functional layer includes a cushion layer and a reflective layer. The reflective layer is used to reflect the light emitted inward from the light-guiding fiber braided layer, and the cushion layer is located on the innermost side of the functional layer and is attached to the outer surface of the base plate.

[0012] Furthermore, the height of the sidewall portion relative to the receiving portion is equal to the thickness of the functional layer.

[0013] The present invention also proposes a vehicle door panel, including the ambient lighting assembly described above.

[0014] The present invention also proposes a vehicle, including the vehicle door panel as described above.

[0015] The beneficial effect of this invention is that by adding a through groove to the base plate to connect the outer and inner sides, the fiber bundle end of the optical fiber braided layer in the functional layer on the outer side of the base plate can pass through the through groove and be fixed to the inner side of the base plate. The outer covering layer does not need to wrap the entire functional layer in reverse, avoiding excessive pressure and bending of the optical fiber braided layer, which would lead to light leakage and affect the overall optical performance. At the same time, it also reduces the difficulty of the wrapping process of the vehicle door panel. Attached Figure Description

[0016] Figure 1 This is a structural schematic diagram of an existing ambient lighting assembly.

[0017] Figure 2 This is a schematic diagram of the existing vehicle door panel covering structure using a fiber optic braided layer.

[0018] Figure 3 This is a cross-sectional structural schematic diagram of the ambient light assembly in the embodiment.

[0019] Figure 4 yes Figure 3 A magnified view of a portion of the image.

[0020] Figure 5 This is a structural diagram of the outer side of the base plate.

[0021] Figure 6 This is a structural diagram of the inner side of the base plate.

[0022] Figure 7 This is a schematic diagram of the structure where the fiber bundle ends pass through the inner side of the base plate.

[0023] The reference numerals in the attached figures are as follows: 100-base plate; 110-outer side surface; 120-inner side surface; 130-side wall portion; 140-accommodating portion; 150-through groove portion; 151-first through groove; 152-second through groove; 160-strip-shaped protrusion; 200-functional layer; 210-pad layer; 220-optical fiber braided layer; 221-optical fiber bundle end; 230-uniform light layer; 300-outer cladding layer. Detailed Implementation

[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0025] Example, see attached document Figure 1-7 An ambient lighting assembly, applied to a vehicle door panel, includes a base plate 100, a functional layer 200, and an outer covering layer 300.

[0026] The base plate 100 includes an outer side 110 and an inner side 120. The outer side 110 of the base plate 100 has a side wall portion 130 and a receiving portion 140 formed by the side wall portion 130. The receiving portion 140 has a through groove portion 150 that penetrates the thickness direction of the base plate 100 at a position adjacent to the side wall portion 130.

[0027] The functional layer 200 is disposed on the surface of the receiving portion 140. The functional layer 200 extends along the surface shape of the receiving portion 140 and terminates in front of the side wall portion 130. The functional layer 200 includes a light guide fiber braided layer 220, which includes warp and weft threads woven together. The braided light guide fiber braided layer 220 is soft and similar to fabric. At least one of the warp and weft threads is a light guide fiber. The light-inlet ends of the light guide fibers belonging to the same warp or weft thread are converged to form at least one fiber bundle end 221. The fiber bundle end 221 passes through the through slot portion 150 and is fixed to the inner side surface 120 of the base plate 100. Each fiber bundle end 221 is connected to a light-emitting lamp head. The light emitted from the light-emitting lamp head enters from the light-inlet end of the light guide fiber and is emitted outward from the side of the light guide fiber. Finally, the light guide fiber braided layer 220 appears to have a surface light emission effect to the naked eye.

[0028] The outer covering layer 300 covers the entire outer side 110 of the base plate 100 and wraps around the edge of the base plate 100 to cover part of the inner side 120 of the base plate 100 and part of the light guide fiber; the outer covering layer 300 has a preset light-transmitting pattern portion. In this embodiment, the outer covering layer 300 is preferably a leather layer with a hollow pattern, and the light emitted by the light guide fiber woven layer 220 can be emitted to the outside from the light-transmitting pattern portion.

[0029] In this embodiment of the ambient light assembly, by adding a through slot 150 connecting the outer side 110 and the inner side 120 to the base plate 100, the fiber bundle end 221 of the light guide fiber braided layer 220 in the functional layer 200 of the outer side 110 of the base plate 100 can pass through the through slot 150 and be fixed to the inner side 120 of the base plate 100. The outer covering layer 300 does not need to cover the entire functional layer 200 in reverse, avoiding excessive pressure and bending of the light guide fiber braided layer 220, which would cause light leakage and affect the overall optical performance. At the same time, it also reduces the difficulty of the vehicle door panel covering process.

[0030] In order to make the appearance of the vehicle door panel flat, in this embodiment, the height of the side wall portion 130 relative to the receiving portion 140 is equal to the thickness of the functional layer 200. The overall thickness of the functional layer 200 can be determined first, and then the height of the side wall portion 130 relative to the receiving portion 140 can be determined. When the outer covering layer 300 covers the entire outer side 110 of the cover plate 100, there are no recessed or raised line defects in the appearance of the side wall portion 130.

[0031] In this embodiment, the through slot 150 includes a first through slot 151 and a second through slot 152. The specific shape of the first through slot 151 is not important, as long as the diameter of the inscribed circle of the first through slot 151 is greater than the outer diameter of the fiber bundle end 221, the fiber bundle end 221 can easily pass through the through slot 150. The second through slot 152 is connected to the first through slot 151 and is elongated as a whole. The fiber bundle end 221 is formed by the convergence of multiple optical fibers. Since the convergence cannot be completed on the outer side 110 of the base plate 100, otherwise it will affect the appearance, the convergence can only be completed on the inner side 120 of the base plate 100. The optical fibers in the optical fiber braided layer 220 are arranged side by side, so the elongated second through slot 152 is needed for the optical fibers to pass through. During assembly, the fiber bundle end 221 is first passed through the first through slot 151, and then the optical fibers connected to the fiber bundle end 221 are laid flat in the second through slot 152.

[0032] Considering that the thickness of the base plate 100 will not be too thick, in order to prevent the bending angle of the optical fiber after passing through the through groove 150 from being too large, in this embodiment, the inner side 120 of the base plate 100 has a strip-shaped protrusion 160 with an arc-shaped cross-section. One side of the strip-shaped protrusion 160 coincides with one side of the second through groove 152 150. After the optical fiber passes through the second through groove 152 150, it contacts the strip-shaped protrusion 160.

[0033] The functional layer 200 comprises multiple layers with different functions. Generally, the more functions the functional layer 200 has, the thicker the overall thickness of the functional layer 200, making it more difficult to use traditional encapsulation processes. Based on actual needs, in this embodiment, the functional layer 200 includes a cushion layer 210 and a reflective layer. The cushion layer 210 is located on the innermost side of the functional layer 200 and adheres to the outer surface of the base plate 100. It can provide cushioning in case of accidental collisions, ensuring good safety. Simultaneously, it provides a soft and responsive feel when the user touches the ambient light assembly, improving the user experience. In this embodiment, the cushion layer 210 is preferably a sponge layer. The reflective layer is mainly used to reflect the light emitted inward from the light guide fiber woven layer 220, since the sides of the light guide fiber are 360 ​​degrees surrounding the light source. That is, nearly half of the light is directed inwards. Adding a reflective layer can reflect this part of the light, which can significantly improve the brightness of the ambient light assembly. The reflective layer can exist as a component, such as using white soft light cloth bonded to the light guide fiber woven layer 220; or it can be attached to the padding layer 210, such as being sprayed with white reflective paint on the outer surface of the padding layer 210. In this embodiment, the preferred solution is to spray white paint on the outer surface of the padding layer 210. This solution has a simple spraying process and does not add extra parts, thus reducing costs.

[0034] Although the present invention has been described with reference to preferred embodiments, those skilled in the art will understand that it is not limited to the description of the above embodiments, and various changes in form and detail may be made within the scope of the claims.

Claims

1. An ambient lighting assembly, characterized in that it comprises a base plate, a functional layer, and an outer covering layer. The base plate includes an outer side and an inner side. The outer side of the base plate has a side wall portion and a receiving portion formed by the side wall portion. The receiving portion has a through groove portion that extends through the thickness direction of the base plate near the side wall portion. The functional layer is disposed on the surface of the receiving portion, and the functional layer extends along the surface shape of the receiving portion and terminates in front of the side wall portion; wherein... The functional layer includes a light-guiding fiber braided layer, which includes warp and weft yarns woven together. At least one of the warp and weft yarns is a light-guiding fiber. The light-incoming ends of the light-guiding fibers belonging to the same warp or weft yarn are converged to form at least one fiber bundle end. The fiber bundle end passes through the through slot and is fixed to the inner side of the base plate. The outer covering layer covers the entire outer side of the base plate and wraps back around the edge of the base plate to cover part of the inner side of the base plate and part of the light guide fiber; the outer covering layer has a preset light-transmitting pattern.

2. An ambient lighting assembly according to claim 1, characterized in that: The through slot includes a first through slot and a second through slot. The diameter of the inscribed circle of the first through slot is larger than the outer diameter of the fiber bundle end. The second through slot is elongated and connected to the first through slot.

3. An ambient lighting assembly according to claim 2, characterized in that: The inner surface has a strip-shaped protrusion, one side of which overlaps with one side of the second through groove. The optical fiber passes through the second through groove and then contacts the strip-shaped protrusion.

4. An ambient lighting assembly according to claim 3, characterized in that: The cross-section of the strip-shaped protrusion is arc-shaped.

5. An ambient lighting assembly according to claim 1, characterized in that: The functional layer includes a cushion layer and a reflective layer. The reflective layer is used to reflect the light emitted inward by the light-guiding fiber braided layer. The cushion layer is located on the innermost side of the functional layer and is attached to the outer surface of the base plate.

6. An ambient lighting assembly according to claim 1, characterized in that: The height of the sidewall portion relative to the receiving portion is equal to the thickness of the functional layer.

7. A vehicle door panel, characterized in that: Includes the ambient lighting assembly as described in any one of claims 1-6.

8. A vehicle, characterized in that: Includes the vehicle door panel as described in claim 7.

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