CN111114081A - Light-transmitting structure for automobile interior illumination and preparation method thereof - Google Patents
Light-transmitting structure for automobile interior illumination and preparation method thereof Download PDFInfo
- Publication number
- CN111114081A CN111114081A CN202010052339.1A CN202010052339A CN111114081A CN 111114081 A CN111114081 A CN 111114081A CN 202010052339 A CN202010052339 A CN 202010052339A CN 111114081 A CN111114081 A CN 111114081A
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- Prior art keywords
- light
- transmitting
- layer
- transmitting structure
- automotive interior
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Links
- 238000005286 illumination Methods 0.000 title claims abstract description 14
- 238000002360 preparation method Methods 0.000 title abstract description 10
- 238000001746 injection moulding Methods 0.000 claims abstract description 27
- 239000004831 Hot glue Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 84
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 9
- 239000003292 glue Substances 0.000 description 7
- 238000005507 spraying Methods 0.000 description 5
- 238000000576 coating method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
- B32B27/365—Layered products comprising a layer of synthetic resin comprising polyesters comprising polycarbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
- B32B37/1284—Application of adhesive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/14—Printing or colouring
- B32B38/145—Printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/70—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose
- B60Q3/74—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by the purpose for overall compartment lighting; for overall compartment lighting in combination with specific lighting, e.g. room lamps with reading lamps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a light-transmitting structure for automobile interior illumination and a preparation method thereof, wherein the light-transmitting structure comprises a light-transmitting elastic layer, a first connecting layer, a light-transmitting pattern layer, a second connecting layer and an injection molding part which are sequentially stacked; the preparation method comprises the steps of sequentially attaching the light-transmitting elastic layer, the light-transmitting pattern layer and the injection molding piece through hot melt adhesive, and respectively forming a first connecting layer and a second connecting layer between the light-transmitting elastic layer and the light-transmitting pattern layer and between the light-transmitting pattern layer and the injection molding piece to form the light-transmitting structure. Compared with the prior art, the invention has the advantages of simple structure, easy preparation, lower cost and the like.
Description
Technical Field
The invention belongs to the technical field of automotive interior trim, and relates to a light-transmitting structure for automotive interior trim illumination and a preparation method thereof.
Background
At present, the application of automotive interior lighting mainly adopts a process of injecting plastic in an ins pattern film mold and then spraying and coating the plastic to realize the lighting effect of a product; however, the cost of the ins pattern film in the process is very high, special requirements are imposed on injection molding equipment, processes and the like of plastic parts, and the entrance threshold is very high. In addition, the glue spraying and coating process of the surface skin has the influence on the lighting effect due to the residual of redundant glue.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a light-transmitting structure for automobile interior lighting and a preparation method thereof, which are used for solving the problems that the glue spraying process of an ins pattern film used in the existing automobile interior lighting has adverse effects on the lighting effect and the ins pattern film is high in cost.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a printing opacity structure for automotive interior illumination, includes the printing opacity elastic layer, first articulamentum, printing opacity pattern layer, second articulamentum and the injection molding that stack gradually the setting.
Further, the light-transmitting elastic layer is made of a transparent polyurethane elastomer. The transparent polyurethane elastomer has good wear resistance, processability and light transmittance, and is used as an outer layer structure of the light-transmitting structure for protecting the light-transmitting pattern layer.
Further, the thickness of the light-transmitting elastic layer is 0.8-1.2 mm.
Furthermore, the first connecting layer and the second connecting layer are both hot melt adhesive layers. The transparent elastic layer, the transparent pattern layer and the injection molding part are connected through the hot melt adhesive, so that negative effects on illumination effects caused by residual redundant glue in the glue spraying process are avoided.
Furthermore, the thickness of the first connecting layer and the thickness of the second connecting layer are both 0.03-0.08 mm.
Furthermore, the light-transmitting pattern layer is made of an opaque polyurethane elastomer material and is provided with hollow patterns. The hollow patterns can be made into different plane patterns by a computer engraving technology according to requirements.
Further, the thickness of the light-transmitting pattern layer is 0.03-0.05 mm.
Furthermore, the injection molding piece is made of transparent polycarbonate. The injection molding piece is provided with a corresponding mounting structure, so that the assembly of the transparent structure and the lighting source is facilitated, and the mounting of the automotive interior lighting structure is further facilitated.
Further, the thickness of the injection molding piece is 2-3 mm.
A preparation method of a light-transmitting structure for automobile interior illumination comprises the steps of sequentially attaching a light-transmitting elastic layer, a light-transmitting pattern layer and an injection molding piece through hot melt adhesive, and respectively forming a first connecting layer and a second connecting layer between the light-transmitting elastic layer and the light-transmitting pattern layer and between the light-transmitting pattern layer and the injection molding piece to form the light-transmitting structure.
When the light-transmitting structure is assembled, the light source is installed on the injection molding part, light emitted by the light source sequentially penetrates through the injection molding part, the second connecting layer, the light-transmitting pattern layer, the first connecting layer and the light-transmitting elastic layer, and the generated lighting effect can be presented according to the pattern of the light-transmitting pattern layer.
Compared with the prior art, the invention has the following characteristics:
1) compared with the traditional ins film inner injection molding process, the light-transmitting pattern layer has the advantages of simple structure, easiness in preparation and lower cost;
2) according to the invention, the light-transmitting elastic layer, the light-transmitting pattern layer and the injection molding piece are fixedly connected by the hot melt adhesive, so that the negative influence on the illumination effect caused by residual excess glue in the glue spraying and coating process after the ins film injection is avoided.
Drawings
FIG. 1 is a schematic view of a light-transmitting structure for interior illumination of an automobile according to the present invention;
the notation in the figure is:
1-light-transmitting elastic layer, 2-first connecting layer, 3-light-transmitting pattern layer, 4-second connecting layer and 5-injection molding.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Example 1:
the light-transmitting structure for the automotive interior lighting as shown in fig. 1 comprises a light-transmitting elastic layer 1, a first connecting layer 2, a light-transmitting pattern layer 3, a second connecting layer 4 and an injection molding piece 5 which are fixedly connected in sequence;
wherein, the transparent elastic layer 1 is made of transparent polyurethane elastomer material and has a thickness of 0.8 mm.
The first connecting layer 2 and the second connecting layer 4 are both made of hot melt adhesive, and the thickness of the first connecting layer and the second connecting layer is 0.03 mm.
The light-transmitting pattern layer 3 is a hollow pattern layer with plane hollow patterns manufactured on the pattern layer made of the opaque polyurethane elastomer material through a computer engraving technology. Wherein, the thickness of the light-transmitting pattern layer 3 is 0.03 mm.
The injection molding 5 is made of transparent polycarbonate and has a thickness of 2 mm.
The preparation method of the light-transmitting structure comprises the following steps:
1) preparing the opaque polyurethane elastomer into a base layer of the light-transmitting pattern layer through an injection molding process, and drawing a plane hollow pattern on the base layer through a computer engraving technology to obtain a light-transmitting pattern layer 3;
2) transparent polyurethane elastomer is made into a transparent elastic layer 1 through an injection molding process, transparent polycarbonate is made into an injection molding piece 5 through the injection molding process, the transparent elastic layer 1 and a transparent pattern layer 3, and the transparent pattern layer 3 and the injection molding piece 5 are sequentially connected through hot melt adhesive to form a first connecting layer 2 and a second connecting layer 4 respectively, and finally, a transparent structure is formed.
The light-transmitting structure is coated on the LED light source through the injection molding piece 5 to form an illumination structure, the illumination structure is arranged in an automobile cockpit to form an automobile interior illumination structure, and the LED light source is started, so that a corresponding illumination effect can be presented according to the pattern of the hollow pattern.
Example 2:
in this embodiment, the thickness of the transparent elastic layer 1 is 1.2mm, the thickness of the first connection layer 2 and the thickness of the second connection layer 4 are both 0.08mm, the thickness of the transparent pattern layer 3 is 0.05mm, and the thickness of the injection molding 5 is 3mm, which is the same as that of embodiment 1.
Example 3:
in this embodiment, the thickness of the transparent elastic layer 1 is 1.0mm, the thickness of the first connection layer 2 and the thickness of the second connection layer 4 are both 0.05mm, the thickness of the transparent pattern layer 3 is 0.04mm, and the thickness of the injection molding 5 is 2.5mm, which is otherwise the same as that in embodiment 1.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. The utility model provides a light-transmitting structure for automotive interior illumination which characterized in that, this light-transmitting structure is including the printing opacity elastic layer (1), first articulamentum (2), printing opacity pattern layer (3), second articulamentum (4) and injection molding (5) that stack gradually the setting.
2. A light-transmitting structure for automotive interior lighting according to claim 1, characterized in that said light-transmitting elastic layer (1) is a light-transmitting elastic layer of transparent polyurethane elastomer material.
3. A light-transmitting structure for automotive interior lighting according to claim 1, characterized in that the thickness of the light-transmitting elastic layer (1) is 0.8-1.2 mm.
4. A light-transmitting structure for automotive interior lighting according to claim 1, wherein the first connecting layer (2) and the second connecting layer (4) are both hot-melt adhesive layers.
5. A light-transmitting structure for automotive interior lighting according to claim 1, characterized in that the first connection layer (2) and the second connection layer (4) each have a thickness of 0.03-0.08 mm.
6. A light-transmitting structure for automotive interior lighting according to claim 1, wherein the light-transmitting pattern layer is made of an opaque polyurethane elastomer material and is provided with a hollow pattern.
7. A light-transmitting structure for automotive interior lighting according to claim 1, characterized in that the thickness of the light-transmitting pattern layer (3) is 0.03-0.05 mm.
8. A light-transmitting structure for automotive interior lighting according to claim 1, characterized in that the injection-molded part (5) is an injection-molded part of transparent polycarbonate.
9. A light-transmitting structure for automotive interior lighting according to claim 1, characterized in that the thickness of the injection-molded part (5) is 2-3 mm.
10. A method for preparing a light-transmitting structure as claimed in any one of claims 1 to 9, wherein the method comprises sequentially laminating the light-transmitting elastic layer (1), the light-transmitting pattern layer (3) and the injection molded part (5) by hot melt adhesive, and forming a first connecting layer (2) and a second connecting layer (4) between the light-transmitting elastic layer (1) and the light-transmitting pattern layer (3) and between the light-transmitting pattern layer (3) and the injection molded part (5), respectively, to form the light-transmitting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010052339.1A CN111114081A (en) | 2020-01-17 | 2020-01-17 | Light-transmitting structure for automobile interior illumination and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010052339.1A CN111114081A (en) | 2020-01-17 | 2020-01-17 | Light-transmitting structure for automobile interior illumination and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111114081A true CN111114081A (en) | 2020-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010052339.1A Pending CN111114081A (en) | 2020-01-17 | 2020-01-17 | Light-transmitting structure for automobile interior illumination and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111114081A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703381A (en) * | 2020-06-02 | 2020-09-25 | 东风汽车有限公司 | Automotive interior trim part |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201127632A (en) * | 2010-02-05 | 2011-08-16 | San Fang Chemical Industry Co | Structure with luminous and visual effects and light transmissive sheet thereof and method for making the same |
| CN109016712A (en) * | 2018-07-11 | 2018-12-18 | 广东东田转印新材料有限公司 | A kind of light transmission diaphragm embedding note with light display color pattern and suitable mould |
| CN109835041A (en) * | 2017-11-27 | 2019-06-04 | 现代摩比斯株式会社 | Transparent component for automobile inner part |
| CN209142050U (en) * | 2018-11-14 | 2019-07-23 | 上海延锋金桥汽车饰件系统有限公司 | A kind of light-permeable gadget |
| CN212171553U (en) * | 2020-01-17 | 2020-12-18 | 上海延鑫汽车座椅配件有限公司 | A printing opacity structure for automotive interior illumination |
-
2020
- 2020-01-17 CN CN202010052339.1A patent/CN111114081A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201127632A (en) * | 2010-02-05 | 2011-08-16 | San Fang Chemical Industry Co | Structure with luminous and visual effects and light transmissive sheet thereof and method for making the same |
| CN109835041A (en) * | 2017-11-27 | 2019-06-04 | 现代摩比斯株式会社 | Transparent component for automobile inner part |
| CN109016712A (en) * | 2018-07-11 | 2018-12-18 | 广东东田转印新材料有限公司 | A kind of light transmission diaphragm embedding note with light display color pattern and suitable mould |
| CN209142050U (en) * | 2018-11-14 | 2019-07-23 | 上海延锋金桥汽车饰件系统有限公司 | A kind of light-permeable gadget |
| CN212171553U (en) * | 2020-01-17 | 2020-12-18 | 上海延鑫汽车座椅配件有限公司 | A printing opacity structure for automotive interior illumination |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111703381A (en) * | 2020-06-02 | 2020-09-25 | 东风汽车有限公司 | Automotive interior trim part |
| CN111703381B (en) * | 2020-06-02 | 2022-05-17 | 东风汽车有限公司 | Automotive interior trim part |
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