Solar automobile exterior trimming part structure

Abstract

The utility model relates to a solar automobile exterior trimming part structure which comprises a lower-layer adhesive film (2), a solar cell (3), an upper-layer adhesive film (4) and a surface transparent membrane (5) which are sequentially arranged on the outer surface of an automobile exterior trimming plate body (1) from bottom to top. The exterior trimming panel body (1), the lower-layer adhesive film (2), the solar cell (3), the upper-layer adhesive film (4) and the surface transparent membrane (5) are connected through lamination, the thickness of the surface transparent membrane (5) is 0.2-1mm, and the surface transparent membrane (5) and the exterior trimming panel body (1) are made of the same material. Compared with the prior art, the utility model can reduce the damage of the solar cell in the use process, improve the efficiency of the solar cell, satisfy the use strength and service life of the automotive plastic product, and maintain the aesthetic property of the external shape of the product.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of solar energy technology of automobile, especially a solar energy automobile exterior trim structure. BACKGROUND

[0002] The automobile exterior trim mainly refers to front and rear bumpers, spoilers, engine covers, wheel openings, air inlet grilles, radiator shrouds, and rubbing strips, which are connected to the vehicle body through bolts and buckles or double-sided adhesive tapes. The automobile exterior trim mainly plays a decorative and protective role on the vehicle body and has functions such as opening.

[0003] Under the trend of rapid development of solar cell technology and electric vehicles, the combination of solar cell technology and electric vehicles can provide the electric vehicles with endurance and achieve the goal of carbon neutrality. Currently, solar cells or solar modules are embedded in the relatively flat roof of the vehicle to receive sunlight and convert solar energy into electrical energy to power the electrical appliances that still need to work when the vehicle is parked or charge the vehicle battery. However, the more complex exterior trim such as spoilers and engine covers have not been fully combined with solar cell technology. SUMMARY

[0004] The utility model aims to provide a solar energy automobile exterior trim structure which can be suitable for more vehicle body structures.

[0005] The utility model can achieve the purpose by the following technical scheme: a solar energy automobile exterior trim structure, comprising a lower layer of adhesive film, a solar cell, an upper layer of adhesive film, and a surface transparent film arranged in sequence from bottom to top on the outer surface of an automobile exterior trim plate body.

[0006] The exterior trim plate body, the lower layer of adhesive film, the solar cell, the upper layer of adhesive film, and the surface transparent film are connected by lamination, the surface transparent film has a thickness of 0.2mm-1mm, and has the same material as the automobile exterior trim plate body.

[0007] Preferably, the automobile exterior trim plate body and the surface transparent film are made of plastic material.

[0008] Further preferably, the automobile exterior trim plate body and the surface transparent film are made of PP, PC, or PET material.

[0009] Preferably, the automobile exterior trim plate body is a spoiler, an electric vehicle engine cover, a decorative strip, a grille panel, or a bumper.

[0010] Further preferably, the automobile exterior trim plate body is a spoiler, an electric vehicle engine cover, or a grille panel.

[0011] Preferably, the automobile exterior trim plate body has a thickness of 3mm-5mm.

[0012] Preferably, the surface transparent film is blistered into the shape of the surface of the automobile exterior panel body.

[0013] Further preferably, the edge of the surface transparent film is integrally formed with a turn-up towards the automobile exterior panel body.

[0014] Still further preferably, the length of the turn-up is not less than the sum of the thicknesses of the automobile exterior panel body, the lower adhesive film, the solar cell and the upper adhesive film, and a glue overflow gap is provided between the inner side of the turn-up and the outer edges of the automobile exterior panel body, the lower adhesive film, the solar cell and the upper adhesive film.

[0015] Preferably, the solar cell comprises a plurality of bendable solar cell pieces, which are welded by metal welding strips to form a series or parallel structure, and are encapsulated between the lower adhesive film and the upper adhesive film.

[0016] Further preferably, the bendable solar cell piece comprises a heterojunction silicon single crystal solar cell piece, a GIGS thin film solar cell piece, a perovskite solar cell piece or a thin film crystalline silicon solar cell piece.

[0017] Preferably, the solar cell is bent into the shape of the surface of the automobile exterior panel body by a cutting and welding process.

[0018] Preferably, the lower adhesive film and the upper adhesive film are made of EVA, POE or EPE material, and are used for laminated bonding.

[0019] Preferably, the thickness of the upper adhesive film is 0.2-0.8 mm.

[0020] Preferably, the thickness of the upper adhesive film is 0.2-0.8 mm.

[0021] The utility model discloses a plastic film piece and body structure, and the solar cell is encapsulated in plastic by adhesive film.

[0022] The utility model discloses still provide a kind of solar cell piece and the combination method of outer plastic part, solar cell piece is combined to the method of the surface of plastic piece by 3D laminated mode.Especially for the surface of car body plastic piece.

[0023] A preparation method of the above-mentioned solar automobile exterior part structure, comprising the following steps:

[0024] (1) place the automobile exterior panel body in an autoclave, and place the lower adhesive film, the solar cell, the upper adhesive film and the surface transparent film on the automobile exterior panel body in sequence;

[0025] (2) heat and vacuumize, so that the automobile exterior panel body, the lower adhesive film, the solar cell, the upper adhesive film and the surface transparent film are connected by laminating;

[0026] (3) cooling, taking out the obtained solar car exterior trim structure from the autoclave.

[0027] Preferably, the heating temperature in step (2) is 75-200℃, and the vacuum degree is 0.1-30Mpa.

[0028] Compared with the prior art, the utility model has the following beneficial effects:

[0029] 1. The diaphragm material is consistent with the outer plastic base material, ensuring that the combination rate and expansion coefficient of the whole product are consistent, and being more suitable for the outer trim part with more complex appearance such as a spoiler and an engine cover.

[0030] 2. The traditional roof structure is mostly used in a surface bonding mode, and the sunroof is mostly used in glass packaging, the utility model adopts plastic packaging, can be injection molded or vacuum formed, has not too many structure restrictions, and can be suitable for more vehicle body structures.

[0031] 3. The utility model combines the solar cell and the automobile outer plastic part through laminating technology or 3D laminating, and can be used for arranging the solar cell module on the automobile plastic outer trim part.

[0032] 4. The utility model protects the solar cell through the surface transparent diaphragm and enables the solar cell to better absorb photovoltaic energy. The combination mode can reduce the damage of the solar cell in the use process, improve the efficiency of the solar cell, meet the use strength and service life of the plastic product for vehicles, and keep the aesthetic property of the external shape of the product. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 It is a partial structure schematic view of the solar car exterior trim structure of the utility model.

[0034] Figure 2 It is a schematic view of the automobile exterior trim plate body, the solar cell and the surface transparent diaphragm of example 3.

[0035] Figure 3 It is a schematic view of the automobile exterior trim plate body, the solar cell and the surface transparent diaphragm of example 4.

[0036] In the drawing: 1 is an automobile exterior trim plate body, 2 is a lower layer of adhesive film, 3 is a solar cell, 4 is an upper layer of adhesive film, 5 is a surface transparent diaphragm, and 51 is a turned edge. DETAILED DESCRIPTION

[0037] The utility model will be described in detail in combination with the drawings and specific embodiments. The embodiment is implemented on the premise of the technical scheme of the utility model, gives the detailed implementation mode and specific operation process, but the protection scope of the utility model is not limited to the following examples.

[0038] It should be noted that like reference numerals and letters refer to like items in the several views, and once an item is defined in one view, it need not be further defined and explained in the subsequent views.

[0039] Some embodiments of the present application will be described in detail with reference to the drawings. In the case of no conflict, the following examples and features in the examples can be combined with each other.

[0040] Example 1

[0041] A solar car exterior trim structure, as shown in Figure 1 , comprising a car exterior trim plate body 1, a lower layer of adhesive film 2, a solar cell 3, an upper layer of adhesive film 4, and a surface transparent film 5.

[0042] Among them, the surface transparent film 5, the upper layer of adhesive film 4, the solar cell 3, the lower layer of adhesive film 2 and the car exterior trim plate body 1 are connected in turn from top to bottom by lamination, the thickness of the surface transparent film 5 is 0.2mm-1mm, and the material of the car exterior trim plate body 1 is the same.

[0043] Example 2

[0044] A solar car exterior trim structure, the car exterior trim plate body 1 and the surface transparent film 5 are made of the same PP material, the thickness of the surface transparent film 5 is 0.6mm, the thickness of the car exterior trim plate body 1 is 4mm, the lower layer of adhesive film 2 and the upper layer of adhesive film 4 are made of EVA material, and the solar cell 3 comprises a plurality of bendable heterojunction silicon single crystal solar cell pieces.

[0045] And in this embodiment, the surface transparent film 5 is vacuum formed into the surface shape of the car exterior trim plate body 1 and the edge is integrally formed with a flange 51 facing the car exterior trim plate body 1, the inner side of the flange 51 is provided with a glue overflow gap, when the solar car exterior trim structure is prepared by lamination, part of the glue generated by the melting of the lower layer of adhesive film 2 and the upper layer of adhesive film 4 will flow into the glue overflow gap, and after cooling, it will solidify to enhance the structural strength of the flange.

[0046] Example 3

[0047] A solar car exterior trim structure, as shown in Figure 2 , the car exterior trim plate body 1 is a spoiler, the solar cell 3 arranged by welding is combined with the car plastic spoiler by 3D lamination, the upper layer of adhesive film 4 and the lower layer of adhesive film 2 are respectively arranged between the vacuum formed imitation spoiler film (surface transparent film 5) and the solar cell 3, and between the solar cell 3 and the car exterior trim plate body 1. The rest is the same as example 1.

[0048] Example 4

[0049] A solar car exterior part structure, as shown in Figure 3 The surface transparent film 5, the solar cell 3 and the exterior plastic part (the car exterior panel body 1) are combined together by means of pressure and temperature through laminating technology (protective layer, adhesive film, battery piece are integrated by vacuum heating and pressing) or 3D laminating technology (laminating technology of non-planar special-shaped products).

[0050] In the embodiment, the car exterior panel body is a car grille panel, the edge of the surface transparent film exceeds the car exterior panel body by about 1mm, and the rest is the same as that in Embodiment 1.

[0051] The above description of the embodiments is for facilitating the ordinary skilled person in the art to understand and use the utility model. The person skilled in the art can obviously easily make various modifications to the embodiments, and apply the general principles described herein to other embodiments without having to undergo creative labor. Therefore, the utility model is not limited to the above embodiments, and the improvements and modifications made by the person skilled in the art without departing from the scope of the utility model should be within the protection scope of the utility model.

Claims

1. A solar powered automotive exterior trim structure, characterized by, The automobile exterior panel body (1), the lower layer of glue film (2), the solar cell (3), the upper layer of glue film (4) and the surface transparent film piece (5) are connected through laminating, the thickness of the surface transparent film piece (5) is 0.2mm-1mm, and the surface transparent film piece (5) is made of the same material as the automobile exterior panel body (1). The automobile exterior panel body (1), the lower layer of glue film (2), the solar cell (3), the upper layer of glue film (4) and the surface transparent film piece (5) are connected through laminating, the thickness of the surface transparent film piece (5) is 0.2mm-1mm, and the surface transparent film piece (5) is made of the same material as the automobile exterior panel body (1).

2. The solar powered automotive exterior trim structure of claim 1, wherein, The automobile exterior panel body (1) and the surface transparent film piece (5) are made of plastic material.

3. The solar powered automotive exterior trim structure of claim 2, wherein, The automobile exterior panel body (1) and the surface transparent film piece (5) are made of PP, PC or PET material.

4. The solar powered automotive exterior trim structure of claim 1, wherein, The automobile exterior panel body (1) is a spoiler, an electric vehicle engine cover, a decorative strip, a grille panel or a bumper.

5. The solar powered automotive exterior trim structure of claim 1, wherein, The thickness of the automobile exterior panel body (1) is 3mm-5mm.

6. The solar powered automotive exterior trim structure of claim 1, wherein, The surface transparent film piece (5) is vacuum formed into the surface shape of the automobile exterior panel body (1).

7. The solar powered automotive exterior trim structure of claim 6, wherein, The surface transparent film piece (5) is integrally formed with a flange (51) towards the automobile exterior panel body (1) at the edge.

8. The solar powered automotive exterior trim structure of claim 7, wherein, The length of the flange (51) is not less than the sum of the thicknesses of the automobile exterior panel body (1), the lower layer of glue film (2), the solar cell (3) and the upper layer of glue film (4), and a glue overflow gap is arranged between the inner side of the flange (51) and the outer edges of the automobile exterior panel body (1), the lower layer of glue film (2), the solar cell (3) and the upper layer of glue film (4).

9. The solar-powered automotive exterior trim structure of claim 1, wherein, The solar cell (3) comprises a plurality of bendable solar cell pieces, the cell pieces are welded by metal welding strips to form a series or parallel structure, and are packaged between the lower layer of glue film (2) and the upper layer of glue film (4).

10. The solar-powered automotive exterior trim structure of claim 1, wherein, The lower layer of glue film (2) and the upper layer of glue film (4) are made of EVA, POE or EPE material.

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