Photovoltaic module with composite material frame

Abstract

The utility model provides a composite material frame photovoltaic assembly comprising a frame, the frame comprises an outer frame and a bearing part, the bearing part is located on the outer frame, a photovoltaic assembly laminated piece is borne in the bearing part, the frame comprises a glass fiber layer, and fiber felt layers are arranged on the two sides of the glass fiber layer. A resin layer is arranged on the side, away from the glass fiber layer, of each fiber felt layer, a performance layer is arranged on the side, away from the fiber felt layer, of each resin layer, an adhesive tape layer is arranged on the side, away from the resin layer, of one performance layer, and the adhesive tape layer of the bearing part is arranged on the side close to the photovoltaic module laminated piece. According to the photovoltaic module with the composite material frame, the performance layer is arranged, so that the weather resistance, the aging resistance, the fire resistance and the ultraviolet resistance of the photovoltaic module are improved; and the adhesive tape layer is arranged on the inner side of the mounting cavity of the bearing part, so that the adhesion with the photovoltaic module laminated piece is enhanced, and the anti-falling frame and frame anti-shearing performance is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of photovoltaic components, and in particular relates to a composite material frame photovoltaic component. Background Art

[0002] With the deterioration of the global environment and the depletion of fossil fuels, the photovoltaic industry is booming. Due to the large differences in climate in the installation areas, the actual power generation of photovoltaic modules is also greatly affected. Therefore, photovoltaic modules have received more and more attention in terms of weather resistance. Photovoltaic composite layer material frames are gradually emerging due to their low material cost, excellent weather resistance, insulation, light weight and beautiful appearance.

[0003] At present, most photovoltaic modules use aluminum alloy frames, which are highly corrosion-resistant, lightweight, low-cost and highly recyclable. However, their thermal expansion coefficient is relatively high. In areas with large temperature differences between day and night, they are prone to shrinkage, deformation, loosening and other problems, which may lead to failure or damage of solar photovoltaic modules. In addition, aluminum frames are prone to corrosion failure in high-corrosion scenarios such as offshore photovoltaic power station projects, affecting the overall quality and service life of photovoltaic modules. Therefore, it is necessary to introduce a new type of composite layer material as the frame material to solve the above problems. Summary of the invention

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a composite material frame photovoltaic module, which improves the weather resistance, aging resistance, fire resistance and UV resistance of the photovoltaic module by setting a performance layer; a tape layer is provided on the inner side of the installation cavity of the bearing part to enhance the adhesion with the photovoltaic module laminate and improve the anti-shear performance of the anti-stripping frame and the frame.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the utility model is:

[0006] A composite material frame photovoltaic module, comprising a frame, the frame comprising an outer frame and a bearing portion, the bearing portion being located above the outer frame, the bearing portion carrying a photovoltaic module laminate, the frame comprising a glass fiber layer, fiber felt layers are arranged on both sides of the glass fiber layer, a resin layer is arranged on the side of each of the fiber felt layers away from the glass fiber layer, a performance layer is arranged on the side of each of the resin layers away from the fiber felt layer, a tape layer is arranged on the side of one of the performance layers away from the resin layer, and the tape layer of the bearing portion is arranged on a side close to the photovoltaic module laminate.

[0007] Preferably, in the composite material frame photovoltaic module, the glass fibers of the glass fiber layer are unidirectional fibers.

[0008] Preferably, in the composite material frame photovoltaic module, the glass fiber layer has a thickness between 0 and 15 mm, the fiber felt layer has a thickness between 0 and 5 mm, and the resin layer has a thickness between 0 and 5 mm.

[0009] Preferably, in the composite material frame photovoltaic module, the thickness of the performance layer is between 0 and 3 mm, and the thickness of the tape layer is between 0 and 2 mm.

[0010] Preferably, in the composite material frame photovoltaic module, the performance layer includes a fluorocarbon coating layer, a fluorine coating and a fireproof layer, the fluorocarbon coating layer is arranged on a side close to the resin layer, a fluorine coating is arranged between the fluorocarbon coating layer and the fireproof layer, and the fluorine coating is arranged on a side away from the resin layer.

[0011] Preferably, in the composite material frame photovoltaic module, gradient layers are provided between the glass fiber layer and the fiber felt layer, between the fiber felt layer and the resin layer, between the resin layer and the performance layer, and between the performance layer and the tape layer.

[0012] Preferably, in the composite material frame photovoltaic module, the thickness of the gradient layer is between 0 and 2 mm.

[0013] The beneficial effects brought by the technical solution provided by the embodiment of the utility model are:

[0014] The composite material frame photovoltaic module of the utility model improves the weather resistance, aging resistance, fire resistance and UV resistance of the photovoltaic module by setting a performance layer; a tape layer is provided on the inner side of the installation cavity of the bearing part to enhance the adhesion with the photovoltaic module laminate and improve the anti-shear performance of the anti-stripping frame and the frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic structural diagram of the composite material frame photovoltaic assembly of the utility model.

[0016] Figure 2 This is a schematic diagram of the frame structure of Example 1 of the utility model.

[0017] Figure 3 Schematic diagram of the frame structure of Example 2 of the utility model DETAILED DESCRIPTION

[0018] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "inside, outside", "up, down", "front, back", etc. are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise stated, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention.

[0019] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0020] Example 1

[0021] like Figure 1-2 A composite material frame photovoltaic module, including a frame, the frame including an outer frame 7 and a bearing portion 8, the bearing portion 8 is located on the outer frame 7, and the bearing portion 8 carries a photovoltaic module laminate, the frame including a glass fiber layer 1, fiber felt layers 2 are arranged on both sides of the glass fiber layer 1, a resin layer 3 is arranged on the side of each of the fiber felt layers 2 away from the glass fiber layer 1, a performance layer 4 is arranged on the side of each of the resin layers 3 away from the fiber felt layer 2, a tape layer 5 is arranged on the side of one of the performance layers 4 away from the resin layer 3, and the tape layer 5 of the bearing portion 8 is arranged on the side close to the photovoltaic module laminate.

[0022] The glass fibers of the glass fiber layer 1 are unidirectional fibers, and the fiber directions of the fiber felt layer 2 are staggered; the thickness of the glass fiber layer 1 is between 0 and 15 mm, the thickness of the fiber felt layer 2 is between 0 and 5 mm, and the thickness of the resin layer 3 is between 0 and 5 mm; the thickness of the performance layer 4 is between 0 and 3 mm, and the thickness of the tape layer 5 is between 0 and 2 mm; the performance layer 4 includes a fluorocarbon coating layer, a fluorine coating and a fireproof layer, the fluorocarbon coating layer is arranged on a side close to the resin layer 3, a fluorine coating is arranged between the fluorocarbon coating layer and the fireproof layer, and the fluorine coating is arranged on a side away from the resin layer 3.

[0023] Example 2

[0024] like Figure 1 and 3A composite material frame photovoltaic module, including a frame, the frame including an outer frame 7 and a bearing portion 8, the bearing portion 8 is located on the outer frame 7, and the bearing portion 8 carries a photovoltaic module laminate, the frame including a glass fiber layer 1, fiber felt layers 2 are arranged on both sides of the glass fiber layer 1, a resin layer 3 is arranged on the side of each of the fiber felt layers 2 away from the glass fiber layer 1, a performance layer 4 is arranged on the side of each of the resin layers 3 away from the fiber felt layer 2, a tape layer 5 is arranged on the side of one of the performance layers 4 away from the resin layer 3, and the tape layer 5 of the bearing portion 8 is arranged on the side close to the photovoltaic module laminate.

[0025] The glass fibers of the glass fiber layer 1 are unidirectional fibers, and the fiber directions of the fiber felt layer 2 are staggered; the thickness of the glass fiber layer 1 is between 0 and 15 mm, the thickness of the fiber felt layer 2 is between 0 and 5 mm, and the thickness of the resin layer 3 is between 0 and 5 mm; the thickness of the performance layer 4 is between 0 and 3 mm, and the thickness of the tape layer 5 is between 0 and 2 mm; the performance layer 4 includes a fluorocarbon coating layer, a fluorine coating and a fireproof layer, the fluorocarbon coating layer is arranged on a side close to the resin layer 3, a fluorine coating is arranged between the fluorocarbon coating layer and the fireproof layer, and the fluorine coating is arranged on a side away from the resin layer 3.

[0026] A gradient layer 6 is provided between the glass fiber layer 1 and the fiber felt layer 2, between the fiber felt layer 2 and the resin layer 3, between the resin layer 3 and the performance layer 4, and between the performance layer 4 and the tape layer 5. The gradient layer 6 has a thickness of 0-2 mm. The gradient layer is a gradient functional material made based on two adjacent layers of materials, specifically a material composed of two or more materials with a gradient composition structure, which can improve the bonding strength of the interface between the two materials, thereby improving the strength and performance of the frame.

[0027] Glass fibers and glass fiber mats are added into the mold. When adding, the outermost glass fibers in the glass fiber layer 1 are allowed to mix with the glass fiber mats near the glass fiber layer 1 in the glass fiber mat. The transition zone between the glass fiber layer 1 and the fiber mat layer 2 is the gradient layer 6 between the glass fiber layer 1 and the glass fiber mat 2. Resin is injected at the same time. The glass fiber mat impregnated with the resin forms a gradient layer 6 of the fiber mat layer 2 and the resin layer 3. Subsequently, the resin layer 3 is formed on the gradient layer 6. The above structure is cured and formed at high temperature in the mold to obtain a glass fiber reinforced resin profile. Then, a performance layer 4 and a tape layer 5 are sequentially arranged on the outer layer of the glass fiber reinforced resin profile. The mutual penetration area of ​​the two materials of the resin layer 3 and the performance layer 4 forms the gradient layer 6 between the resin layer 3 and the performance layer 4. The mutual penetration area of ​​the two materials of the performance layer 4 and the tape layer 5 forms the gradient layer 6 between the performance layer 4 and the tape layer 5. The resin layer 3 protects the glass fiber layer 1 and the fiber felt layer 2, and further improves the strength of the frame; the performance layer 4 improves the weather resistance, UV resistance and water resistance of the photovoltaic module. The material of the performance layer is fluorocarbon coating, and a fluorine coating is also arranged on the fluorocarbon coating, and a fireproof layer is arranged on the fluorine coating: basic resin + fire retardant + pigment filler + additive, both expandable fireproof coating and non-expandable fireproof coating are possible; or additives are added to the polyurethane, the additives can be inorganic compounds such as zinc borate and aluminum hydroxide (to improve heat resistance and thermal stability), zinc oxide or aluminum oxide (to inhibit combustion speed), calcium hydrogen phosphate (to reduce combustion temperature); the tape layer 5 can increase the bonding with the bearing part 8 and improve the anti-frame debonding ability of the frame. The tape layer 5 is arranged on the inner surface of the bearing part 8, and the gradient layer is a mixture of materials of two structural layers in contact with each other.

[0028] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A composite material frame photovoltaic module, characterized in that: The frame comprises an outer frame (7) and a bearing portion (8), the bearing portion (8) being located above the outer frame (7), and the bearing portion (8) bearing a photovoltaic module laminate, the frame comprising a glass fiber layer (1), fiber felt layers (2) being arranged on both sides of the glass fiber layer (1), a resin layer (3) being arranged on the side of each fiber felt layer (2) away from the glass fiber layer (1), a performance layer (4) being arranged on the side of each resin layer (3) away from the fiber felt layer (2), a tape layer (5) being arranged on the side of one performance layer (4) away from the resin layer (3), and the tape layer (5) of the bearing portion (8) being arranged on the side close to the photovoltaic module laminate.

2. The composite material frame photovoltaic module according to claim 1, characterized in that: The glass fibers of the glass fiber layer (1) are unidirectional fibers.

3. The composite material frame photovoltaic module according to claim 1, characterized in that: The thickness of the glass fiber layer (1) is between 0 and 15 mm, the thickness of the fiber felt layer (2) is between 0 and 5 mm, and the thickness of the resin layer (3) is between 0 and 5 mm.

4. The composite material frame photovoltaic module according to claim 1, characterized in that: The thickness of the performance layer (4) is between 0 and 3 mm, and the thickness of the adhesive tape layer (5) is between 0 and 2 mm.

5. The composite material frame photovoltaic module according to claim 1, characterized in that: The performance layer (4) comprises a fluorocarbon coating layer, a fluorine coating layer and a fireproof layer, wherein the fluorocarbon coating layer is arranged on a side close to the resin layer (3), the fluorine coating layer is arranged between the fluorocarbon coating layer and the fireproof layer, and the fluorine coating layer is arranged on a side away from the resin layer (3).

6. The composite material frame photovoltaic module according to claim 1, characterized in that: Gradient layers (6) are provided between the glass fiber layer (1) and the fiber felt layer (2), between the fiber felt layer (2) and the resin layer (3), between the resin layer (3) and the performance layer (4), and between the performance layer (4) and the tape layer (5).

7. The composite material frame photovoltaic module according to claim 6, characterized in that: The thickness of the gradient layer (6) is between 0 and 2 mm.

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