Adhesive film structure capable of increasing reflection

Abstract

The utility model discloses an adhesive film structure for increasing reflection, which comprises front glass and a front adhesive film arranged at the lower end of the front glass, battery pieces are arranged on the outer wall of the lower end of the front adhesive film and close to the left side and the right side respectively, and back adhesive films are arranged on the outer walls of the lower ends of the battery pieces. The outer wall of the lower end of the front adhesive film is provided with front glass, the outer wall of the lower end of the back adhesive film is provided with back glass, one end of the opposite face of the front adhesive film and one end of the opposite face of the back adhesive film are each provided with a reflective grid, one side of each reflective grid is provided with reflective particles a to reflect light, and one side of each reflective grid is provided with a shading grid a to block light penetration. And reflective particles b are arranged on one sides of the two shading grids a, and the shading grids a and the reflective particles b are installed, so that the situation that the reflective grids with various different reflective particles a need to be carried when the reflective grids and the front adhesive film are connected can be avoided, and the production cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the related technical field of photovoltaic module, concretely relates to a glue film structure of increasing reflection. BACKGROUND

[0002] In order to increase the light receiving rate of the front of the cell piece, the existing photovoltaic module generally utilizes the gap between the cell pieces, the gap is reflected to the back side of the front glass and the contact surface of the glue film after receiving light on the front, and then is reflected to the front of the cell, the light is utilized twice, and the power of the module is increased, but when light is reflected through different reflective particles on the glue film, the glue film with different reflective particles needs to be assembled and replaced according to the light irradiation direction, so that the glue film with different reflective particles needs to be carried at the installation position, the burden is increased, and the production cost is also increased. UTILITY MODEL CONTENTS

[0003] The utility model discloses a glue film structure of increasing reflection, which solves the problem of needing to assemble and replace the glue film with different reflective particles according to the light irradiation direction when light is reflected through different reflective particles on the glue film.

[0004] To achieve the above object, the utility model provides the following technical scheme: a glue film structure of increasing reflection, comprising a front glass and a front glue film installed at the lower end of the front glass.

[0005] The lower end outer wall of the front glue film is provided with cell pieces close to the left and right sides respectively.

[0006] The lower end outer wall of the cell piece is provided with a back glue film.

[0007] The lower end outer wall of the back glue film is provided with a back glass, and the opposite end of the front glue film and the back glue film is provided with a light-reflecting grid, and one side of the two light-reflecting grids is provided with light-reflecting particles a to reflect light.

[0008] One side of the two light-reflecting grids is provided with a light-shielding grid a to shield light penetration, and one side of the two light-shielding grids a is provided with light-reflecting particles b to reflect light at different angles from the light-reflecting particles a.

[0009] Preferably, one side of the two light-shielding grids a is provided with a light-shielding grid b to shield light penetration, and one side of the two light-shielding grids b is provided with light-reflecting particles c to reflect light at different angles from the light-reflecting particles a and the light-reflecting particles b.

[0010] Preferably, the light shielding grid a and the light shielding grid b abut the light reflecting particles a and the light reflecting particles b on one side and are embedded with a plurality of point glues, and the uppermost side of the outer wall of the left end of the two light shielding grid a is fixedly connected with a pull tab a to tear off the light shielding grid a under the action of external force.

[0011] Preferably, the uppermost side of the outer wall of the right end of the two light shielding grid b is fixedly connected with a pull tab b to tear off the light shielding grid b under the action of external force, and the light reflecting particles b, the light reflecting particles c and the light reflecting particles a are different in shape and correspond to different angle light reflection.

[0012] Preferably, a plurality of grid gaps are equidistantly arranged in the light reflecting grid to limit the position of the battery piece, and the four corners of the grid gap are provided with chamfers.

[0013] Preferably, the size of the battery piece is greater than the size of the grid gap by two and a half to five millimeters, and the upper and lower ends of the front adhesive film and the back adhesive film are provided with patterns to increase the friction between the front glass, the back glass and the battery piece.

[0014] Preferably, the front adhesive film and the back adhesive film can be made of ethylene-vinyl acetate copolymer material, and the light reflecting grid can be changed to different colors according to the light reflection intensity from high to low.

[0015] Compared with the prior art, the utility model provides a kind of adhesive film structure of increasing reflection, with the following beneficial effects:

[0016] When the shape of the light reflecting particle a is selected according to the light reflection direction and the reflection intensity, the light shielding grid a previously adhered to the light reflecting particle a can be torn off, and the required light reflecting particle a can be leaked out. When the light reflecting particle b on the light shielding grid a can adapt to the current light reflection direction and the reflection intensity, the light shielding grid a does not need to be torn off and can be used directly. The light reflecting grid and the front adhesive film can be bonded directly. This way can avoid the need to carry light reflecting grids with multiple different light reflecting particles a when connecting the light reflecting grid and the front adhesive film. It increases the speed of replacing different light reflecting grids, and the torn-off light shielding grid a can be recycled for secondary use, reducing the cost of production. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structure schematic view of the utility model's one kind of adhesive film structure of increasing reflection.

[0018] Figure 2 It is a schematic view of the adhesive film structure of the utility model.

[0019] Figure 3 It is a schematic view of the front adhesive film area of the utility model.

[0020] Figure 4 It is a local structure diagram of the shading grid a area of the utility model.

[0021] Figure 5 It is a local structure diagram of the shading grid a area of the utility model.

[0022] In the figure: 1, front glass; 2, front adhesive film; 3, back adhesive film; 4, back glass; 5, reflective grid; 6, battery piece; 7, grid gap; 8, a push piece; 9, b push piece; 10, reflective particle a; 11, shading grid a; 12, glue dispensing; 13, reflective particle b; 14, reflective particle c; 15, shading grid b. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] The utility model provides a kind of reflective adhesive film structure as Figures 1-5 As shown in the figure, it includes front glass 1 and the front adhesive film 2 of the front glass 1 lower end installation;

[0025] The lower end outer wall of front adhesive film 2 and respectively close to left and right sides are each provided with battery piece 6;

[0026] The lower end outer wall of battery piece 6 is provided with back adhesive film 3;

[0027] The lower end outer wall of back adhesive film 3 is provided with back glass 4, and the opposite end of front adhesive film 2 and back adhesive film 3 is provided with reflective grid 5, and the side of two reflective grids 5 is provided with reflective particle a 10 to reflect light, when increasing the light receiving rate of battery piece 6 by light, first, front light is irradiated to front adhesive film 2 on front glass 1, and light is reflected to battery piece 6 by front adhesive film 2, then part of light will be irradiated on front adhesive film 2, and light is refracted by reflective particle a 10 on reflective grid 5, and then reflected to the front of battery piece 6 after refraction to front glass 1, so as to increase the light receiving amount of battery piece 6, increase the power generation of assembly, and the back light uses the same method, and light is sequentially refracted to the back of battery piece 6 by back glass 4 and back adhesive film 3, and then refracted to the back of battery piece 6 by the reflective grid 5 on one side of back adhesive film 3;

[0028] Two light reflection grids 5 are provided with light shielding grids a11 on one side to shield light penetration, and the two light shielding grids a11 are provided with light reflection particles b13 on one side to reflect light at different angles from the light reflection particles a10. When connecting the light reflection grid 5 and the front adhesive film 2 or the back adhesive film 3, the angle of light refraction can be used to determine the selection. When the light reflection angle can be refracted through the light reflection particles b13 on the light shielding grid a11, the light reflection grid 5 and the front adhesive film 2 or the back adhesive film 3 can be connected without replacement. When the light reflection particles b13 cannot adapt to the current light angle for refraction, the light shielding grid a11 can be torn off, and the light reflection particles a10 on the light reflection grid 5 can be exposed to see if they adapt to the current light angle. If they adapt, the light reflection grid 5 can be connected, and the torn light shielding grid a11 can be recycled.

[0029] As shown in Figure 3 and Figure 4 , two light shielding grids a11 are provided with light shielding grids b15 on one side to shield light penetration, and the two light shielding grids b15 are provided with light reflection particles c14 on one side to reflect light at different angles from the light reflection particles a10 and the light reflection particles b13. The light shielding grid a11 and the light shielding grid b15 abut the light reflection particles a10 and the light reflection particles b13, and each is embedded with a plurality of dispensing 12. The left end outer wall of the two light shielding grids a11 is fixedly connected with a tab a8 to tear off the light shielding grid a11 under the action of external force.

[0030] The light shielding grid b15 and the light reflection particles c14 provided on the upper side of the light shielding grid a11 can increase the options for refracting light at different angles. Suitable light reflection particles a10, light reflection particles b13 and light reflection particles c14 can be selected for use in different environments. When the light shielding grid a11 and the light shielding grid b15 are not torn off, the light shielding grid b15 and the light shielding grid a11 can be connected through the dispensing 12 between the light shielding grid a11 and the light reflection grid 5. When the light shielding grid a11 and the light shielding grid b15 are torn off, the corresponding light shielding grid a11 and light shielding grid b15 can be torn off by tearing off the tab a8 and the tab b9.

[0031] As shown in Figure 3 and Figure 5 , the right end outer wall of the two light shielding grids b15 is fixedly connected with a tab b9 on the uppermost side to tear off the light shielding grid b15 under the action of external force. The light reflection particles b13, the light reflection particles c14 and the light reflection particles a10 have different shapes and correspond to different angles of light reflection.

[0032] The light reflection particles b13, the light reflection particles c14 and the light reflection particles a10 of different shapes can stably reflect light at different angles of light irradiation.

[0033] As shown inFigure 2 As shown, the inside of the reflective grid 5 is equidistantly provided with a plurality of grid gaps 7 to limit the position of the battery sheet 6, and the four corners of the grid gap 7 are provided with chamfers.

[0034] The plurality of grid gaps 7 are sleeved on the battery sheet 6 to limit the position of the reflective grid 5, and the chamfers provided at the four corners of the grid gap 7 can adapt to the battery sheet 6 with small chamfers, avoiding the occurrence of light leakage.

[0035] As shown in Figure 1 and Figure 2 The size of the battery sheet 6 is greater than the size of the grid gap 7 by two to five millimeters, and the front adhesive film 2 and the back adhesive film 3 are both provided with patterns at the upper and lower ends to increase the friction between the front glass 1, the back glass 4 and the battery sheet 6, and the front adhesive film 2 and the back adhesive film 3 can be made of ethylene-vinyl acetate copolymer material, and the reflective grid 5 can be changed to different colors according to the light reflection intensity from high to low.

[0036] The front adhesive film 2 and the back adhesive film 3 are both provided with patterns at the upper and lower ends to increase the friction between the front glass 1, the back glass 4 and the battery sheet 6, preventing large displacement during operation and lamination, and the color of the reflective grid 5 is from high to low according to the light reflection intensity: silver, white, and other colors, which can be selected according to different scene applications.

[0037] The principle of this embodiment is: when the light is increased on the battery sheet 6, first, the front light is irradiated to the front adhesive film 2 through the front glass 1, and the light is reflected to the battery sheet 6 through the front adhesive film 2, then part of the light will be irradiated on the front adhesive film 2, and the light will be refracted twice through the reflective particles a10 on the reflective grid 5, and then the light will be reflected to the front of the battery sheet 6 after being refracted to the front glass 1, thereby increasing the light receiving amount of the battery sheet 6 and the power generation of the assembly, and the back light uses the same method, and the light is sequentially refracted to the back of the battery sheet 6 through the back glass 4 and the back adhesive film 3, and the light is refracted to the back of the battery sheet 6 through the reflective grid 5 on one side of the back adhesive film 3, and when connecting the reflective grid 5 and the front adhesive film 2 or the back adhesive film 3, the angle of light refraction can be used to determine the selection, when the light irradiation angle can be refracted through the reflective particles b13 on the shading grid a11, then there is no need to replace, and the reflective grid 5 and the front adhesive film 2 or the back adhesive film 3 can be connected, when the reflective particles b13 cannot adapt to the current light angle for refraction, the shading grid a11 can be torn off, the reflective particles a10 on the reflective grid 5 are exposed, and it is checked whether it is adapted to the current light angle, if it is adapted, the reflective grid 5 is connected, and the torn shading grid a11 is recycled.

[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. An increased reflection of the film structure, comprising a front glass (1) and a front film (2) installed at the lower end of the front glass (1); The lower end of the outer wall of the front film (2) is provided with a battery piece (6) near the left and right sides respectively; The lower end of the outer wall of the battery piece (6) is provided with a back film (3); The lower end of the outer wall of the back film (3) is provided with a back glass (4), and the opposite ends of the front film (2) and the back film (3) are provided with a reflective grid (5), one side of the two reflective grids (5) is provided with a reflective particle a (10) to reflect light; characterized in that One side of the two reflective grids (5) is provided with a shading grid a (11) to block the penetration of light, and one side of the two shading grid a (11) is provided with a reflective particle b (13) to reflect light at a different angle from the reflective particle a (10).

2. The increased reflection adhesive film structure of claim 1, wherein: One side of the two shading grid a (11) is provided with a shading grid b (15) to block the penetration of light, and one side of the two shading grid b (15) is provided with a reflective particle c (14) to reflect light at a different angle from the reflective particle a (10) and the reflective particle b (13).

3. The increased reflection adhesive film structure of claim 1, wherein: The shading grid a (11) and the shading grid b (15) abut the reflective particle a (10) and the reflective particle b (13) and are embedded with a plurality of point glues (12) on one side, and the uppermost side of the left end of the two shading grid a (11) is fixedly connected with a tab a (8) to tear off the shading grid a (11) under the action of external force.

4. The increased reflection adhesive film structure of claim 2, wherein: The uppermost side of the right end of the two shading grid b (15) is fixedly connected with a tab b (9) to tear off the shading grid b (15) under the action of external force, and the reflective particle b (13), the reflective particle c (14) and the reflective particle a (10) are different in shape and correspond to different angles of light reflection.

5. The increased reflection adhesive film structure of claim 1, wherein: A plurality of grid gaps (7) are equidistantly arranged in the reflective grid (5) to limit the position of the battery piece (6), and the four corners of the grid gap (7) are provided with chamfers.

6. The increased reflection adhesive film structure of claim 1, wherein: The size of the battery piece (6) is greater than the size of the grid gap (7) by two and a half to five millimeters, and the upper and lower ends of the front film (2) and the back film (3) are provided with patterns to increase the friction between the front glass (1), the back glass (4) and the battery piece (6).

7. The increased reflective adhesive film structure of claim 1, wherein: The front film (2) and the back film (3) can be made of ethylene-vinyl acetate copolymer material, and the reflective grid (5) can be changed to different colors according to the light reflection intensity from high to low.

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