Shock-resistant protective composite gasket for packaging photovoltaic cells or silicon wafers

Abstract

The utility model relates to the technical field of anti-seismic protective composite gaskets, and discloses an anti-seismic protective composite gasket for packaging photovoltaic cells or silicon wafers, which comprises a gasket main body formed by combining sulfur-free paper, a PE (polyethylene) composite film main body, a pearl wool main body and a PP (polypropylene) hollow plate from top to bottom, a PP hollow plate is fixed to the bottom end of the pearl wool body. The sulfur-free paper, the PE composite film main body, the pearl wool main body and the PP hollow plate are combined to form the gasket main body, the gasket main body is used for packaging work, the design of the pearl wool main body plays a role in protection, and the anti-shock layer is fixed in the middle of the interior of the pearl wool main body, so that the anti-shock effect is good. The center anti-seismic effect is enhanced through the anti-seismic layer, heat insulation protection is achieved through distribution of the heat insulation cotton, waterproof protection is achieved through the waterproof layer, in the working process, the whole-course anti-seismic protection work is achieved through the pearl cotton body, and the overall protection effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of anti-seismic protective composite gaskets, in particular to an anti-seismic protective composite gasket for packaging photovoltaic cells or silicon chips. Background Art

[0002] Photovoltaic cells are semiconductor devices that can convert sunlight into electrical energy. They directly convert light energy into electrical energy through the photoelectric effect or photochemical effect. They are the core components of today's photovoltaic power generation. Silicon wafers are also a type of semiconductor device. Circuits are made on silicon wafers and then packaged to form chips. Therefore, they are important materials for making integrated circuits.

[0003] Based on the use of silicon wafers and photovoltaic cells, they need to be packaged and encapsulated. Therefore, in order to protect the silicon wafers and photovoltaic cells, seismic protective composite gaskets are provided to assist in completing the packaging work. However, during transportation after packaging, if the protective seismic resistance is poor, it is easy to directly cause damage to the photovoltaic cells or silicon wafers. Utility Model Content

[0004] The purpose of the utility model is to provide a seismic protective composite gasket for packaging photovoltaic cells or silicon wafers, so as to solve the problem raised in the above background technology that if the protective seismic resistance is poor during transportation after packaging, it is easy to directly cause damage to the photovoltaic cells or silicon wafers.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-seismic protective composite gasket for packaging photovoltaic cells or silicon wafers, comprising a gasket body, which is composed of a sulfur-free paper, a PE composite film body, an EPE body, and a PP polypropylene hollow board from top to bottom, the bottom end of the sulfur-free paper is fixed with a PE composite film body, the bottom end of the PE composite film body is fixed with an EPE body, and the bottom end of the EPE body is fixed with a PP polypropylene hollow board.

[0006] Preferably, the PE composite film body includes a first composite film, a first adhesive layer, a shaping strip, a second adhesive layer and a second composite film, the first composite film is fixed to the bottom end with the first adhesive layer, the first adhesive layer is fixed to the bottom end with the shaping strip, the second adhesive layer is fixed to the bottom end of the shaping strip, and the second composite film is fixed to the bottom end of the second adhesive layer.

[0007] Preferably, an adhesive connection is formed between the first composite film and the first adhesive layer, and an adhesive connection is formed between the second adhesive layer and the second composite film.

[0008] Preferably, the shaping strip is bonded to the first adhesive layer and the second adhesive layer, and the coating surface areas of the first adhesive layer and the second adhesive layer are the same.

[0009] Preferably, an earthquake-resistant layer is fixed at the middle position inside the pearl cotton body, heat-insulating cotton is fixed at the top and bottom of the earthquake-resistant layer, and a waterproof layer is fixed at one end of the heat-insulating cotton.

[0010] Preferably, the heat-insulating cotton is symmetrically distributed about the central axis of the earthquake-resistant layer, and the waterproof layer is symmetrically distributed about the central axis of the pearl cotton body.

[0011] Preferably, a first shaping layer is fixed to the top of the sulfur-free paper, a heat-resistant layer is fixed to the top of the first shaping layer, a heat-insulating layer is fixed to the top of the heat-resistant layer, and a wear-resistant layer is fixed to the top of the heat-insulating layer.

[0012] Preferably, the coating surface area between the heat-resistant layer and the heat-insulating layer is the same in size, and the coating surface area between the heat-insulating layer and the wear-resistant layer is the same in size.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the earthquake-resistant protective composite gasket for packaging photovoltaic cells or silicon wafers not only improves the earthquake-resistant protection capability, but also improves the external protection capability and shaping capability of the earthquake-resistant protective composite gasket;

[0014] (1) The gasket body is formed by combining sulfur-free paper, PE composite film body, pearl cotton body and PP polypropylene hollow board, and the gasket body is used for packaging. The design of the pearl cotton body has a protective effect, and an anti-seismic layer is fixed at the middle position inside the pearl cotton body. The anti-seismic layer strengthens the central anti-seismic effect, and the distribution of the heat insulation cotton performs heat insulation protection. Then, under the fixation of the waterproof layer, the waterproof layer performs water-proof protection. In this way, in the process of work, the pearl cotton body plays a full-course anti-seismic protection work, and improves the overall protection effect;

[0015] (2) The heat-resistant layer is fixed at the top of the sulfur-free paper by using the first fixing layer, so that the heat-resistant layer, the heat-insulating layer and the wear-resistant layer are located in the same vertical plane. At this time, the wear-resistant layer is located at the outermost leakage position, so the wear-resistant layer plays a corresponding wear-resistant protection ability, and the heat-resistant layer and the heat-insulating layer perform heat-resistant protection, thereby improving the overall external protection ability during the working process;

[0016] (3) A PE composite film body is formed by combining the first composite film, the first adhesive layer, the shaping strip, the second adhesive layer and the second composite film. The first adhesive layer and the second adhesive layer are used to bond and fix the first composite film and the second composite film respectively. The shaping strip is located in the middle to form a shaping treatment. This improves the overall stable installation capability during the work process and improves the positioning effect and the stabilizing effect during installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of a partial front view cross-sectional structure of the main body of the PE composite film of the utility model;

[0019] Figure 3 This is a schematic diagram of a partial front view cross-sectional structure of the pearl cotton main body of the utility model;

[0020] Figure 4 It is a partial front view cross-sectional structural schematic diagram of the sulfur-free paper of the present invention.

[0021] In the figure: 1. Gasket body; 2. Sulfur-free paper; 3. PE composite film body; 4. Pearl cotton body; 5. PP polypropylene hollow board; 6. First composite film; 7. First adhesive layer; 8. Shaping strip; 9. Second adhesive layer; 10. Second composite film; 11. Waterproof layer; 12. Heat-insulating cotton; 13. Shock-resistant layer; 14. First shaping layer; 15. Heat-resistant layer; 16. Heat-insulating layer; 17. Wear-resistant layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides an embodiment: an anti-seismic protective composite gasket for packaging photovoltaic cells or silicon wafers, including a gasket body 1, which is composed of a sulfur-free paper 2, a PE composite film body 3, an EPE body 4, and a PP polypropylene hollow board 5 from top to bottom, the bottom end of the sulfur-free paper 2 is fixed with the PE composite film body 3, the bottom end of the PE composite film body 3 is fixed with the EPE body 4, and the bottom end of the EPE body 4 is fixed with the PP polypropylene hollow board 5.

[0024] The PE composite film body 3 includes a first composite film 6, a first adhesive layer 7, a shaping strip 8, a second adhesive layer 9 and a second composite film 10. The first adhesive layer 7 is fixed to the bottom end of the first composite film 6, the shaping strip 8 is fixed to the bottom end of the first adhesive layer 7, the second adhesive layer 9 is fixed to the bottom end of the shaping strip 8, and the second composite film 10 is fixed to the bottom end of the second adhesive layer 9.

[0025] An adhesive connection is formed between the first composite film 6 and the first adhesive layer 7 , and an adhesive connection is formed between the second adhesive layer 9 and the second composite film 10 .

[0026] The shaping strip 8 is bonded to the first adhesive layer 7 and the second adhesive layer 9, and the coating surface areas of the first adhesive layer 7 and the second adhesive layer 9 are the same.

[0027] An anti-seismic layer 13 is fixed at the middle position inside the pearl cotton body 4 , and heat-insulating cotton 12 is fixed to the top and bottom ends of the anti-seismic layer 13 , and a waterproof layer 11 is fixed to one end of the heat-insulating cotton 12 .

[0028] The heat-insulating cotton 12 is symmetrically distributed about the central axis of the anti-seismic layer 13 , and the waterproof layer 11 is symmetrically distributed about the central axis of the pearl cotton body 4 .

[0029] A first shaping layer 14 is fixed to the top of the sulfur-free paper 2 , a heat-resistant layer 15 is fixed to the top of the first shaping layer 14 , a heat-insulating layer 16 is fixed to the top of the heat-resistant layer 15 , and a wear-resistant layer 17 is fixed to the top of the heat-insulating layer 16 .

[0030] The coating surface area between the heat-resistant layer 15 and the heat-insulating layer 16 is the same, and the coating surface area between the heat-insulating layer 16 and the wear-resistant layer 17 is the same;

[0031] Furthermore, the sulfur-free paper 2 can also be used with an aluminum-plated film, which mainly plays a role in anti-sulfurization;

[0032] Furthermore, the main body of the pearl cotton body 4 can also use PE polyethylene air cushion film in addition to pearl cotton, mainly for shock-resistant buffering.

[0033] Working principle: First, during operation, the first composite film 6, the first adhesive layer 7, the shaping strip 8, the second adhesive layer 9 and the second composite film 10 are combined to form a PE composite film body 3, and the first adhesive layer 7 and the second adhesive layer 9 are used to respectively complete the bonding and fixing of the first composite film 6 and the second composite film 10, and the sulfur-free paper 2, the PE composite film body 3, the pearl cotton body 4 and the PP polypropylene hollow board 5 are combined to form a gasket body 1, and the gasket body 1 is used for packaging, and the pearl cotton body 4 is used to play a full-process anti-seismic protection work. When in use, the first shaping layer 14 is used to shape the heat-resistant layer 15 at the top position of the sulfur-free paper 2, and the heat-resistant layer 15, the heat-insulating layer 16 and the wear-resistant layer 17 are located in the same vertical plane. At this time, the wear-resistant layer 17 is located at the outermost leakage position, and the wear-resistant layer 17 is used to complete the outermost wear-resistant protection work, while the heat-resistant layer 15 and the heat-insulating layer 16 are heat-resistantly protected, so that the packaging of the photovoltaic cell or silicon wafer is completed after forming a whole.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A composite gasket for earthquake protection used in packaging photovoltaic cells or silicon wafers, comprising a gasket body (1), characterized in that: The gasket body (1) is composed of a sulfur-free paper (2), a PE composite film body (3), an EPE main body (4), and a PP polypropylene hollow plate (5) from top to bottom; the bottom end of the sulfur-free paper (2) is fixed with the PE composite film body (3); the bottom end of the PE composite film body (3) is fixed with the EPE main body (4); and the bottom end of the EPE main body (4) is fixed with the PP polypropylene hollow plate (5).

2. The anti-seismic composite gasket for packaging photovoltaic cells or silicon wafers according to claim 1, characterized in that: The PE composite film body (3) comprises a first composite film (6), a first adhesive layer (7), a shaping strip (8), a second adhesive layer (9) and a second composite film (10); the first adhesive layer (7) is fixed to the bottom end of the first composite film (6); the shaping strip (8) is fixed to the bottom end of the first adhesive layer (7); the second adhesive layer (9) is fixed to the bottom end of the shaping strip (8); and the second composite film (10) is fixed to the bottom end of the second adhesive layer (9).

3. The anti-seismic composite gasket for packaging photovoltaic cells or silicon wafers according to claim 2, characterized in that: An adhesive connection is formed between the first composite film (6) and the first adhesive layer (7), and an adhesive connection is formed between the second adhesive layer (9) and the second composite film (10).

4. The anti-seismic composite gasket for packaging photovoltaic cells or silicon wafers according to claim 2, characterized in that: The shaping strip (8) forms an adhesive connection with both the first adhesive layer (7) and the second adhesive layer (9), and the coating surface areas of the first adhesive layer (7) and the second adhesive layer (9) are the same.

5. The anti-seismic composite gasket for packaging photovoltaic cells or silicon wafers according to claim 1, characterized in that: An anti-seismic layer (13) is fixed at the middle position inside the pearl cotton body (4), and heat-insulating cotton (12) is fixed at the top and bottom ends of the anti-seismic layer (13), and a waterproof layer (11) is fixed at one end of the heat-insulating cotton (12).

6. The anti-seismic composite gasket for packaging photovoltaic cells or silicon wafers according to claim 5, characterized in that: The heat-insulating cotton (12) is symmetrically distributed about the central axis of the anti-seismic layer (13), and the waterproof layer (11) is symmetrically distributed about the central axis of the pearl cotton body (4).

7. The anti-seismic composite gasket for packaging photovoltaic cells or silicon wafers according to claim 1, characterized in that: A first shaping layer (14) is fixed to the top of the sulfur-free paper (2), a heat-resistant layer (15) is fixed to the top of the first shaping layer (14), a heat-insulating layer (16) is fixed to the top of the heat-resistant layer (15), and a wear-resistant layer (17) is fixed to the top of the heat-insulating layer (16).

8. The anti-seismic composite gasket for packaging photovoltaic cells or silicon wafers according to claim 7, characterized in that: The coating surface area between the heat-resistant layer (15) and the heat-insulating layer (16) is the same in size, and the coating surface area between the heat-insulating layer (16) and the wear-resistant layer (17) is the same in size.

Images