A carbon fiber trim piece woven with optical fiber

Abstract

The utility model discloses a carbon fiber ornament of braiding optical fiber, include: by the substrate layer and optical fiber fabric layer of inside to outside layer arrangement, the substrate layer is used for installing in the surface of car interior ornament, the optical fiber fabric layer is by warp carbon fiber tows and weft carbon fiber tows to weave into the flaky three -dimensional fabric structure, and the optical fiber is along warp and / or weft and the fiber tows are collectively woven, and one end of optical fiber is connected to the light source, and the optical fiber is provided with the notch towards the outside, and the notch forms the lateral light guide structure, realizes the pure decoration function of original carbon fiber ornament, and can realize the atmosphere lamp function of night light emitting, the utility model relates to car interior technical field.

Description

Technical Field

[0001] This utility model relates to the field of automotive interior technology, and more specifically to a carbon fiber trim piece woven with optical fibers. Background Technology

[0002] Currently, there are three main types of carbon fiber trim parts for automobiles: 1. Traditional carbon fiber ornaments are made by directly weaving black carbon fiber warp and weft threads; this type of carbon fiber is currently the most widely used. 2. Dyed yarn embellishment of carbon fiber ornaments: During the weaving process of warp and weft yarns, dyeable yarns, such as red or blue yarns, are woven in to achieve the desired aesthetic effect, serving as embellishments and decorations. Common yarn materials include glass fiber, polyester, copper, and aramid.

[0003] 3. Colored carbon fiber ornaments: Amorphous TiO2 thin films of varying sizes are constructed on the surface of carbon fiber ribbons or carbon fiber fabrics using ALD (atomic layer deposition) technology. The special optical-scale microstructure of the thin film selectively reflects, disperses, scatters, interferes, diffracts, and transmits visible light, resulting in a variety of colorful biological colors, thereby achieving the coloring of carbon fibers and their fabrics.

[0004] The above three forms have the following drawbacks: they can achieve a completely black effect, a partial color embellishment effect, and a colorful appearance effect, but the surface color can only be seen under ambient light, and none of them have a self-illuminating function. Therefore, this type of carbon fiber can only improve the cabin atmosphere to a certain extent during the day, but the colorful surface cannot be seen at night, and it cannot improve the atmosphere in the cabin at night. Utility Model Content

[0005] To address the shortcomings and defects of existing technologies, a carbon fiber ornament woven with optical fibers is provided, which can realize the pure decorative function of the original carbon fiber ornament, and also realize the function of ambient lighting that emits light at night.

[0006] A carbon fiber trim woven with optical fibers, comprising: A substrate layer and an optical fiber fabric layer are stacked from the inside out, wherein the substrate layer is used to be installed on the surface of automotive interior parts; The optical fiber fabric layer is a sheet-like three-dimensional fabric structure woven from warp and weft carbon fiber bundles, with the optical fiber woven together with the fiber bundles along the warp and / or weft directions. One end of the optical fiber is connected to a light source, and the optical fiber has an outward-facing notch, which forms a lateral light-guiding structure.

[0007] With the above structure, the carbon fiber ornament woven with optical fibers of this invention has the following advantages compared with the prior art: When the carbon fiber fabric of this application is applied to the surface of interior parts, It can achieve both the pure decorative function of the original carbon fiber trim and the function of ambient lighting that illuminates at night; In addition, existing products require the development of special injection molds for light guide plates, while this application directly weaves and molds them into shape, which can be assembled onto the decorative panel without the need for injection molds, thus reducing development costs; Existing products typically require thick light guide plates, usually 3-6mm, while the fabric structure in this application is thinner, allowing for a reduction in product thickness and freeing up more cabin space. In existing products, light guide plates are generally injection molded from PMMA or PC materials, which are rigid sheets. To ensure uniform light guiding effect, they have certain limitations on the complexity of the curved surface shape of the product. However, the fabric structure of this application is a flexible material with high styling flexibility, which can realize more aesthetically pleasing and complex curved surface product shapes.

[0008] As an improvement of this utility model, each warp fiber bundle and / or weft fiber bundle has multiple strands, and they are distributed in a bundled manner.

[0009] As an improvement of this utility model, the optical fiber is woven into the bundle.

[0010] As an improvement of this utility model, the bundle has a recessed portion formed in each interlacing area, wherein the front end of the recessed portion is flush with the bottom end of the adjacent recessed portion.

[0011] As an improvement of this utility model, the substrate layer includes a non-woven fabric layer and an adhesive layer, and the non-woven fabric layer is bonded to the fabric layer through the adhesive layer.

[0012] As an improvement of this utility model, the light source is an LED light-emitting diode, and multiple optical fibers are bundled together and coupled to the same light source to receive the light emitted by the same light source. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the product of this utility model.

[0014] Figure 2 This is a partial cross-sectional structural schematic diagram of the present invention.

[0015] Figure 3 This is an enlarged schematic diagram of the optical fiber structure of this utility model.

[0016] The figure shows: 1. Substrate layer; 1.1. Non-woven fabric layer; 1.2. Adhesive layer; 2. Optical fiber fabric layer; 2.1. Warp carbon fiber bundle; 2.2. Weft carbon fiber bundle; 3. Optical fiber; 3.1. Notch; 4. Interlacing area; 4.1. Recessed area; 5. Light source. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0018] Please see Figure 1-3 As shown, A carbon fiber trim woven with optical fibers, comprising: A substrate layer 1 and an optical fiber fabric layer 2 are stacked from the inside out. The substrate layer 1 is used to be installed on the surface of automotive interior parts. The optical fiber fabric layer 2 is a sheet-like three-dimensional fabric structure woven from warp carbon fiber bundles 2.1 and weft carbon fiber bundles 2.2. The optical fiber 3 is woven together with the fiber bundles along the warp and / or weft directions. One end of the optical fiber 3 is connected to the light source 5. The optical fiber 3 is provided with a notch 3.1 facing outward, and the notch 3.1 forms a side-guided light structure. Among them, optical fiber 3 is mainly polymer optical fiber 3 (POF or PMMA). After being woven into a fabric, the exposed outer surface of optical fiber 3 is mechanically damaged and laser-etched to form a notch 3.1, thereby forming a side light-emitting area.

[0019] When in use, the light emitted by the light source 5 is transmitted through the optical fiber 3, and the notch 3.1 allows the light to pass through, ultimately presenting the desired luminous effect.

[0020] When the carbon fiber fabric of this application is applied to the surface of interior parts, It can achieve both the pure decorative function of the original carbon fiber trim and the function of ambient lighting that illuminates at night; In addition, existing products require the development of special injection molds for light guide plates, while this application directly weaves and molds them into shape, which can be assembled onto the decorative panel without the need for injection molds, thus reducing development costs; Existing products typically require thick light guide plates, usually 3-6mm, while the fabric structure in this application is thinner, allowing for a reduction in product thickness and freeing up more cabin space. In existing products, light guide plates are generally injection molded from PMMA or PC materials, which are rigid sheets. To ensure uniform light guiding effect, they have certain limitations on the complexity of the curved surface shape of the product. However, the fabric structure of this application is a flexible material with high styling flexibility, which can realize more aesthetically pleasing and complex curved surface product shapes.

[0021] In some embodiments, each warp fiber bundle and / or weft fiber bundle has multiple bundles, forming a bundled distribution, which increases structural strength and extends service life.

[0022] The optical fiber 3 is woven into the above bundle. The diameter of the optical fiber 3 is generally larger than the diameter of the fiber bundle. After the above structural arrangement, the optical fiber 3 can be embedded in the bundle without protruding, which would reduce the aesthetics of the fabric and has the characteristics of reasonable structural layout.

[0023] In some embodiments, the bundled fabric forms a recessed portion 4.1 in each interlacing region 4, wherein the front end of the recessed portion 4.1 is flush with the bottom end of the adjacent recessed portion 4.1. After the above improvement, the fabric as a whole has a relatively flat structure, the outer side has a better feel, and the inner side has a better fit with the substrate layer 1 and the interior part surface, avoiding bulging during use.

[0024] The substrate layer 1 includes a nonwoven fabric layer 1.1 and an adhesive layer 1.2, and the nonwoven fabric layer 1.1 is bonded to the fabric layer through the adhesive layer 1.2.

[0025] In some embodiments, the light source 5 is an LED light-emitting diode with a single power > 0.1W, an emission wavelength covering 400-700nm, and an emission angle ≥ 120°. Existing products require several LED beads to achieve uniform light emission in the light guide plate. However, in this application, the light-emitting component can be equipped with only one LED bead. After being bundled at the input ends of multiple optical fibers 3, it is coupled with the same LED bead to receive the light emitted by the same light source 5, thereby realizing the light guiding of multiple optical fibers 3 and reducing the BOM cost.

[0026] The above are merely preferred embodiments of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are within its protection scope. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within its protection scope.

Claims

1. A carbon fiber ornament woven with optical fibers, characterized in that, include: A substrate layer (1) and an optical fiber fabric layer (2) are stacked from the inside to the outside. The substrate layer (1) is used to be installed on the surface of automotive interior parts. The optical fiber fabric layer (2) is a sheet-like three-dimensional fabric structure woven from warp carbon fiber bundles (2.1) and weft carbon fiber bundles (2.2). The optical fiber (3) is woven together with the fiber bundles along the warp and / or weft directions. One end of the optical fiber (3) is connected to the light source (5), and the optical fiber (3) is provided with a notch (3.1) facing outward, and the notch (3.1) forms a side-guided light structure.

2. A carbon fiber ornament woven with optical fibers according to claim 1, characterized in that: Each warp fiber bundle and / or weft fiber bundle has multiple bundles, forming a clustered distribution.

3. A carbon fiber ornament woven with optical fibers according to claim 2, characterized in that: The optical fiber (3) is woven into the bundle.

4. A carbon fiber ornament woven with optical fibers according to claim 2, characterized in that: The bundle forms a recessed portion (4.1) in each interlacing region (4), wherein the front end of the recessed portion (4.1) is flush with the bottom end of the adjacent recessed portion (4.1).

5. A carbon fiber ornament woven with optical fibers according to claim 1, characterized in that: The substrate layer (1) includes a nonwoven fabric layer (1.1) and an adhesive layer (1.2), and the nonwoven fabric layer (1.1) is bonded to the fabric layer through the adhesive layer (1.2).

6. A carbon fiber ornament woven with optical fibers according to claim 1, characterized in that: The light source (5) is an LED light-emitting diode. Multiple optical fibers (3) are bundled together and coupled to the same light source (5) to receive the light emitted by the same light source (5).

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