A photovoltaic module encapsulant tape having a "j" shape

Abstract

The utility model discloses a photovoltaic module encapsulation adhesive tape with "] " shape structure, including the adhesive tape body of "] " shape structure and the release paper layer filled in the cavity of "] " shape structure, release paper layer is connected with the adhesive tape body through the adhesive layer, and the adhesive layer sets up in the inside surface of adhesive tape body, and the upper surface of release paper layer is flush with the upper end surface of adhesive tape body. The present application avoids the link that needs to use the roller to press when using the existing adhesive tape, saves the installation time, improves the installation efficiency and installation quality.

Description

Technical Field

[0001] This utility model relates to the field of tape technology, specifically to a photovoltaic module encapsulation tape with a “]” shaped structure. Background Technology

[0002] Solar photovoltaic (PV) modules are the core components of solar power generation systems, with applications spanning transportation, communication, meteorology, and many other fields. Adhesive tape is a common method for fixing PV modules to their frames. Leveraging the adhesive properties of tape, it replaces traditional silicone or mechanical fastening, achieving quick and convenient sealing and fixation. Foam tape possesses excellent cushioning, sealing, and conformability, adapting to irregular surfaces between the frame and the module, preventing moisture and dust intrusion, making it the preferred product for PV module encapsulation. Currently, using foam tape requires using sealing wheels (or rollers) to press the tape from an "I" shape into a "]" shape to ensure complete coverage of the contact surface between the frame and the module. This method is time-consuming, labor-intensive, inefficient, and inconsistent. Therefore, developing a PV module encapsulation tape with a "]" shaped structure is of great significance for improving the installation efficiency and quality of PV modules. Utility Model Content

[0003] To solve the above problems, this utility model provides a photovoltaic module encapsulation tape with a "]" shaped structure.

[0004] The technical solution adopted in this utility model is:

[0005] A photovoltaic module encapsulation tape with a "]" shaped structure includes a tape body with a "]" shaped structure and a release paper layer filled in the cavity of the "]" shaped structure. The release paper layer is connected to the tape body by an adhesive layer, which is disposed on the inner side of the tape body. The upper surface of the release paper layer is flush with the upper end face of the tape body.

[0006] Furthermore, the thickness of the release paper layer is the same as the thickness of the tape body, and the total thickness of the photovoltaic module encapsulation tape is equal to the sum of the thickness of the release paper layer and the thickness of the tape body.

[0007] Furthermore, the thickness of the tape body is 0.5-1.5mm.

[0008] Furthermore, the tape body includes an inner adhesive layer, a substrate layer, and an outer adhesive layer arranged sequentially.

[0009] Furthermore, the substrate layer is a PE foam layer and / or an acrylic foam layer.

[0010] Furthermore, the inner adhesive layer and the outer adhesive layer are acrylic pressure-sensitive adhesive layers.

[0011] The beneficial effects of this utility model are:

[0012] 1. By setting the tape body to a "]" shape, the photovoltaic module can be connected to the frame by simply tearing off the release paper. This avoids the need to use rollers to press the tape when using existing tapes, saving installation time and improving installation efficiency.

[0013] 2. By pre-setting the tape body to a "]" shape, the consistency of tape size is ensured, and the bonding quality is improved. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the photovoltaic module encapsulation tape structure of this application.

[0015] Figure 2 This is a schematic diagram of the tape body structure. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solution of this utility model will be clearly and completely described below in conjunction with the accompanying drawings and a preferred embodiment.

[0017] See Figure 1 and Figure 2 This application provides a photovoltaic module encapsulation tape with a "]" shaped structure, including a tape body 20 with a "]" shaped structure and a release paper layer 10 filled in the cavity of the "]" shaped structure. The release paper layer 10 is connected to the tape body 20 by an adhesive layer 21, which is disposed on the inner side of the tape body. The upper surface 101 of the release paper layer is flush with the upper end surface 201 of the tape body.

[0018] In the above structure, the release paper layer 10 serves as a protective layer. On the one hand, it can protect the surface of the tape from contamination and ensure smooth unwinding. On the other hand, as a support layer filled in the cavity of the "]" shaped structure, it can maintain the dimensional stability of the "]" shaped structure of the tape body.

[0019] In this embodiment, the thickness of the release paper layer 10 is the same as the thickness 20 of the adhesive tape body. The total thickness of the photovoltaic module encapsulation tape is equal to the sum of the thickness of the release paper layer 10 and the thickness of the adhesive tape body 20, wherein the thickness of the adhesive tape body is selected within the range of 0.5-1.5mm. This size range can meet the sealing requirements of the conventional gap between the photovoltaic module and the frame. For example, if the thickness of the release paper layer 10 is 25mm and the thickness of the adhesive tape body 20 is 25mm, the total thickness of the finished photovoltaic module encapsulation tape is 50mm. The fact that the thickness of the release paper layer 10 is the same as the thickness 20 of the adhesive tape body facilitates the maintenance of dimensional consistency of the adhesive tape body during compression molding.

[0020] The tape body 20 includes an inner adhesive layer 21, a substrate layer 22 and an outer adhesive layer 23 arranged sequentially.

[0021] The substrate layer can be a PE foam layer or / and an acrylic foam layer. PE foam and acrylic foam are the most commonly used foam materials, and are low in cost. Using PE foam and acrylic foam in combination can improve the overall dimensional stability, UV resistance, and cushioning effect of the tape. Other materials can also be used alone or in combination for the substrate layer.

[0022] The inner and outer adhesive layers are acrylic pressure-sensitive adhesive layers. Acrylic pressure-sensitive adhesive is resistant to oxidation, ultraviolet (UV) radiation, and temperature and humidity, which helps photovoltaic modules withstand long-term exposure to extreme outdoor environments (such as high temperatures in the desert and high humidity at the seaside), thus improving the service life of photovoltaic modules.

[0023] The preparation method of the above-mentioned encapsulating tape is as follows:

[0024] 1. The preferred method is to prepare the planar adhesive tape body using conventional methods;

[0025] 2. Then, the release paper layer 10 is bonded to the middle part of the upper side 211 of the flat tape body;

[0026] 3. Using a mold with a cavity structure of "]", rollers are used to press the tape body from a "1" shape into a "]" shape;

[0027] 4. With the release paper layer 10 facing outwards, roll up the tape.

[0028] When using, peel off the release agent layer 10, stick the "]" shaped tape body to the edge of the photovoltaic module, and then put the photovoltaic module into the frame to achieve encapsulation.

[0029] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of the present utility model, and these improvements and modifications are also within the protection scope of the present utility model.

Claims

1. A photovoltaic module encapsulation tape with a "]" shaped structure, characterized in that, The tape body includes a "]" shaped structure and a release paper layer filled in the cavity of the "]" shaped structure. The release paper layer is connected to the tape body by an adhesive layer, which is disposed on the inner side of the tape body. The upper surface of the release paper layer is flush with the upper end face of the tape body.

2. The photovoltaic module encapsulation tape with a "]" shaped structure according to claim 1, characterized in that, The thickness of the release paper layer is the same as the thickness of the tape body, and the total thickness of the photovoltaic module encapsulation tape is equal to the sum of the thickness of the release paper layer and the thickness of the tape body.

3. The photovoltaic module encapsulation tape with a "]" shaped structure according to claim 2, characterized in that, The thickness of the tape body is 0.5-1.5mm.

4. The photovoltaic module encapsulation tape with a "]" shaped structure according to claim 1, characterized in that, The tape body includes an inner adhesive layer, a substrate layer, and an outer adhesive layer arranged sequentially.

5. The photovoltaic module encapsulation tape with a "]" shaped structure according to claim 4, characterized in that, The substrate layer is a PE foam layer and / or an acrylic foam layer.

6. The photovoltaic module encapsulation tape with a "]" shaped structure according to claim 4, characterized in that, The inner and outer adhesive layers are acrylic pressure-sensitive adhesive layers.

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