CN210607291U

CN210607291U - Anti-aging PE (polyethylene) film of solar backboard

Info

Publication number: CN210607291U
Application number: CN201921794207.5U
Authority: CN
Inventors: 何京昌
Original assignee: Zhejiang Gaoyuan New Material Technology Co ltd
Current assignee: Zhejiang Gaoyuan New Material Technology Co ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-05-22
Anticipated expiration: 2029-10-24

Abstract

The utility model relates to the technical field of solar cell backboard manufacturing, and discloses an anti-aging PE film of a solar backboard, which comprises a PE film body, the PE film top film layer is arranged inside the PE film body, the anti-aging layer is fixedly connected to the surface of one side of the PE film top film layer, one side of the anti-aging layer, which is far away from the PE top layer film, is fixedly connected with an adhesive tape, the adhesive tape is fixedly connected with a buffer layer, one side of the buffer layer far away from the adhesive tape is fixedly connected with a high temperature resistant layer, a middle tearing line is arranged on the PE film body, the left side and the right side of the middle tearing line are both fixedly connected with a right tearing port row and a left tearing port row, one side of the high-temperature-resistant layer far away from the buffer layer is fixedly connected with a PE bottom film layer, the outer surfaces of the upper side and the lower side of the PE film body are coated with silicon release agents, and a plurality of bubbles are arranged inside the PE film top film layer and the PE bottom film layer. The utility model provides an easy ageing and the problem that can not resist high temperature.

Description

Anti-aging PE (polyethylene) film of solar backboard

Technical Field

The utility model relates to a technical field is made to solar cell backplate, specifically is a solar cell backplate's ageing-resistant PE membrane.

Background

With the development of modern industry, the world faces severe energy crisis and environmental pollution. Among them, the photovoltaic solar cell directly converts solar energy into electric energy, which is one of the important methods for solving the global energy crisis and reducing environmental pollution. The solar power generation assembly mainly comprises a front plate, a packaging material, a crystalline silicon cell and a back plate. Because the solar cell back plate is positioned at the outermost layer of the solar cell module and the back plate is required to have good environmental erosion resistance, the manufactured solar cell module back plate must have good moisture-heat aging resistance, ultraviolet aging resistance, hydrolysis resistance, high temperature resistance and other properties.

The general solar energy backplate at present generally has 3 layers of structures, and resistant layer has good environmental erosion resistance for the fluoropolymer layer, and the intermediate level has good insulating properties and mechanical properties for biaxial stretching polyester film layer, and the backplate inlayer is EVA or polyolefin, and the three-layer membrane material forms through the adhesive complex, and this backplate thermal diffusivity is relatively poor, and in addition, ultraviolet ageing resistance is poor, often can lead to this layer of material of battery piece face to meadow the flower early, yellow stain fracture ageing failure, the subassembly is reprocessed difficultly, and the price is expensive.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar energy backplate's ageing-resistant PE membrane reaches ageing-resistant, high temperature resistant, the purpose that easily tears.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-aging PE film of a solar backboard comprises a PE film body, wherein a PE film top film layer is arranged inside the PE film body, an anti-aging layer is fixedly connected to the surface of one side of the PE film top film layer, an adhesion belt is fixedly connected to one side of the anti-aging layer away from the PE film top film layer), a buffer layer is fixedly connected to the adhesion belt, a reinforcing ring is fixedly connected to the inside of the buffer layer, a reinforcing ring is fixedly connected to the surface of the reinforcing ring, a rubber block is fixedly connected to the inside of the reinforcing ring, a high-temperature resistant layer is fixedly connected to one side of the buffer layer away from the adhesion belt, a breathable net is fixedly connected to the inside of the high-temperature resistant layer, an upper high-temperature cloth and a lower high-temperature cloth are arranged inside the breathable net, the upper high-temperature cloth and the lower high-temperature cloth are arranged in a crossed manner, a sponge ball is arranged between the upper high-temperature cloth and the lower high-, the utility model discloses a buffer layer, including PE membrane top membrane layer, the equal fixedly connected with right side of middle left side and the equal fixedly connected with right side of tearing the line of acting as go-between tears the mouth row and tears the mouth row with a left side, one side fixedly connected with PE basement membrane layer of buffer layer is kept away from on the high temperature resistant layer, the surface of both sides all coats and has silicon release agent about the PE membrane body, the inside of PE membrane top membrane layer and PE basement membrane layer all is provided with a plurality of bubbles, the inside of bubble is equipped with the.

Preferably, the upper end and the lower end of the surface of the PE film body are provided with triangular holes, and the triangular holes and the middle tearing line are on the same vertical axis.

Preferably, the tearing openings of the right tearing opening row and the left tearing opening row are opposite at intervals.

Preferably, the upper high-temperature cloth and the lower high-temperature cloth are both suspended polytetrafluoroethylene, and the adhesive tape is a polymer modified asphalt mixture.

Preferably, the number of the reinforcing rings is at least eight, every four reinforcing rings are divided into a group, and each group of reinforcing rings is fixedly connected to the surface of each reinforcing ring at equal intervals.

Preferably, the surface of the anti-aging layer is coated with an anti-aging agent.

The utility model provides an ageing-resistant PE membrane of solar energy backplate. The method has the following beneficial effects:

(1) the utility model discloses a high temperature cloth and lower high temperature cloth are set up in the inside of ventilative net, and go up high temperature cloth and be suspension polytetrafluoroethylene material with lower high temperature cloth and make, and suspension polytetrafluoroethylene material has good thermal-insulated high temperature resistance, and ventilative net and sponge ball can accelerate the gas flow on high temperature resistant layer simultaneously to the good high temperature resistance of ageing-resistant PE membrane of this solar energy backplate has been guaranteed.

(2) The utility model discloses a be equipped with the temperature sensing powder that discolours in the inside of bubble, can make this solar energy backplate's ageing-resistant PE membrane under the ambient temperature of difference, its colour can change, judge ambient temperature presumably through the colour, when ambient temperature is higher, place low temperature department with the solar energy backplate, thereby avoid the easy ageing problem of product of not high temperature resistant, inside at PE membrane body sets up anti-aging layer, anti-aging layer can play the effect of ageing resistance to this solar energy backplate's ageing-resistant PE membrane, and scribble the anti-aging agent simultaneously and on anti-aging layer's surface, thereby great improvement the ageing resistance effect of this solar energy backplate's ageing-resistant PE membrane.

(3) The utility model discloses a set up in the middle of tearing the line, triangle trompil, the right side tears the mouth row and the left side tears the mouth row on PE membrane body for the PE membrane is torn easily, and labour saving and time saving, and the right side tears the mouth row and tears the use of mutually supporting between the mouth row with the left side, when tearing the PE membrane, effectively prevents that the PE membrane from tearing partially.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the buffer layer according to the present invention;

FIG. 3 is a schematic view of the internal structure of the refractory layer of the present invention;

fig. 4 is a top view of the present invention;

fig. 5 is a schematic diagram of the internal structure of the top layer of the PE film of the present invention.

In the figure: 1 PE membrane body, 2 PE membrane top rete, 3 anti-aging layers, 4 adhesive tape, 5 buffer layers, 6 high temperature resistant layers, 7PE base film layer, 8 beaded finish, 9 reinforcing rings, 10 rubber blocks, 11 high temperature cloth, 12 low temperature cloth, 13 sponge balls, 14 ventilative net, 15 left tear mouth rows, 16 right tear mouth rows, 17 triangular holes, 18 middle tear lines, 19 silicon mold release, 20 bubbles.

Detailed Description

As shown in fig. 1-4, the utility model provides a technical solution: an anti-aging PE film of a solar backboard comprises a PE film body 1, wherein the PE film body 1 is provided with a PE film top film layer 2, an anti-aging layer 3 is fixedly connected to the surface of one side of the PE film top film layer 2, the surface of the anti-aging layer 3 is coated with an anti-aging agent, one side of the anti-aging layer 3, which is far away from the PE film top film layer 2, is fixedly connected with an adhesive tape 4, the adhesive tape 4 is fixedly connected with a buffer layer 5, a reinforcing ring 8 is fixedly connected inside the buffer layer 5, the surface of the reinforcing ring 8 is fixedly connected with reinforcing rings 9, the number of the reinforcing rings 9 is at least eight, every four reinforcing rings 9 are divided into one group, each group of the reinforcing rings 9 is fixedly connected to the surface of the reinforcing ring 8 at equal intervals, a rubber block 10 is fixedly connected inside the reinforcing ring 8, one side of the buffer layer 5, which is far away from the adhesive tape 4, is fixedly connected with a high temperature resistant layer 6, an air permeable net 14, the high-temperature cloth 11 and the low-temperature cloth 12 are arranged in a crossed manner, the high-temperature cloth 11 and the low-temperature cloth 12 are both made of suspended polytetrafluoroethylene, the adhesive tape 4 is made of polymer modified asphalt mixture, a sponge ball 13 is arranged between the high-temperature cloth 11 and the low-temperature cloth 12, the PE film body 1 is provided with a middle tear line 18, the left side and the right side of the middle tear line 18 are both fixedly connected with a right tear row 15 and a left tear row 16, the tear rows of the right tear row 15 and the left tear row 16 are opposite in interval, one side of the high-temperature resistant layer 6, which is far away from the buffer layer 5, is fixedly connected with a PE bottom film layer 7, the outer surfaces of the upper side and the lower side of the PE film body 1 are both coated with silicon release agents 19, the silicon release agents 19 prevent adhesives from being adhered to the PE film, the upper end and the lower end of the surface of the PE film body 1 are both provided with triangular open holes 17, and the middle tear line 18 are on the same vertical axis, the inside of the bubble 20 is provided with the thermochromic powder, which is mobile, so that the ambient temperature can be judged by displaying different colors according to different regions, and the method can be applied to a very large place.

When using, adorn PE membrane body 1 on the solar energy backplate earlier, set up high temperature cloth 11 and lower high temperature cloth 12 through the inside at ventilative net 14, ventilative net 14 and sponge ball 13 can accelerate the gas flow of high temperature resistant layer 6 simultaneously, thereby the good high temperature resistance of this solar energy backplate's ageing-resistant PE membrane has been guaranteed, through the inside at bubble 20 be equipped with the temperature sensing powder that discolours, can make this solar energy backplate's ageing-resistant PE membrane under the ambient temperature of difference, its colour can change, judge ambient temperature presumably through the colour, when ambient temperature is higher, place low temperature department with the solar energy backplate, thereby avoid the easy ageing problem of the product that does not resist high temperature, and scribble the age resister on the surface of ageing resistant layer 3, thereby great improvement the ageing resistance effect of this solar energy backplate's ageing-resistant PE membrane.

To sum up can, the utility model discloses a high temperature cloth 11 and lower high temperature cloth 12 are gone up in the inside setting of ventilative net 14, and go up high temperature cloth 11 and be suspension polytetrafluoroethylene material with lower high temperature cloth 12 and make, and suspension polytetrafluoroethylene material has good thermal-insulated high temperature resistance, and ventilative net 14 and sponge ball 13 can accelerate the gas flow on high temperature resistant layer 6 simultaneously to the good high temperature resistance of this solar energy backplate's ageing-resistant PE membrane has been guaranteed. Through the inside at bubble 20 is equipped with the temperature sensing powder that discolours, can make this solar energy backplate's ageing-resistant PE membrane under the ambient temperature of difference, its colour can change, judge ambient temperature presumably through the colour, when ambient temperature is higher, place low temperature department with the solar energy backplate, thereby avoid the easy ageing problem of product that does not resist high temperature, inside at PE membrane body 1 sets up ageing resistance layer 3, ageing resistance layer 3 can play the effect of ageing resistance to this solar energy backplate's ageing-resistant PE membrane, and scribble the ageing resistance on ageing resistance layer 3's surface simultaneously, thereby great improvement the ageing resistance effect of this solar energy backplate's ageing-resistant PE membrane. Tear line 18, triangle trompil 17, the right side through setting up in the middle of tearing on PE membrane body and tear a mouthful row 16 and a left side and tear a mouthful row 15 for the PE membrane is torn easily, labour saving and time saving, and the right side tears and draws a mouthful row 16 and a left side and tear the use of mutually supporting between a mouthful row 15, when tearing the PE membrane, effectively prevents that the PE membrane from tearing partially.

Claims

1. The utility model provides an ageing-resistant PE membrane of solar backplane, includes PE membrane body (1), its characterized in that: the PE film comprises a PE film body (1) and is characterized in that the PE film body is provided with a PE film top film layer (2), the surface of one side of the PE film top film layer (2) is fixedly connected with an anti-aging layer (3), one side, far away from the PE film top film layer (2), of the anti-aging layer (3) is fixedly connected with an adhesive tape (4), the adhesive tape (4) is fixedly connected with a buffer layer (5), the inside of the buffer layer (5) is fixedly connected with a reinforcing ring (8), the surface of the reinforcing ring (8) is fixedly connected with a reinforcing ring (9), the inside of the reinforcing ring (8) is fixedly connected with a rubber block (10), one side, far away from the adhesive tape (4), of the buffer layer (5) is fixedly connected with a high temperature resistant layer (6), the inside of the high temperature resistant layer (6) is fixedly connected with a breathable net (14), and the inside of the breathable net (14) is provided with, go up high temperature cloth (11) and low high temperature cloth (12) cross arrangement, go up high temperature cloth (11) and be provided with sponge ball (13) down between high temperature cloth (12), PE membrane body (1) is provided with middle tear line (18), the equal fixedly connected with right side in the left side and the right side of middle tear line (18) tears a mouthful row (15) and a left side and tears a mouthful row (16), one side fixedly connected with PE basement membrane layer (7) of buffer layer (5) are kept away from in resistant high temperature layer (6), the surface of both sides all coats and has silicon release agent (19) about PE membrane body (1), the inside of PE membrane roof membrane layer (2) and PE basement membrane layer (7) all is provided with a plurality of bubbles (20), the inside of bubble (20) is equipped with the temperature sensing powder that discolours.

2. The aging-resistant PE film for solar back sheets as claimed in claim 1, wherein: the PE film is characterized in that triangular holes (17) are formed in the upper end and the lower end of the surface of the PE film body (1) respectively, and the PE film and the middle tearing line (18) are located on the same vertical axis.

3. The aging-resistant PE film for solar back sheets as claimed in claim 1, wherein: the tearing openings of the right tearing opening row (15) and the left tearing opening row (16) are opposite at intervals.

4. The aging-resistant PE film for solar back sheets as claimed in claim 1, wherein: the upper high-temperature cloth (11) and the lower high-temperature cloth (12) are both made of suspended polytetrafluoroethylene, and the adhesive tape (4) is made of polymer modified asphalt mixture.

5. The aging-resistant PE film for solar back sheets as claimed in claim 1, wherein: the number of the reinforcing rings (9) is at least eight, every four reinforcing rings (9) are divided into one group, and each group of reinforcing rings (9) is fixedly connected to the surface of the reinforcing ring (8) at equal intervals.

6. The aging-resistant PE film for solar back sheets as claimed in claim 1, wherein: the surface of the anti-aging layer (3) is coated with an anti-aging agent.