CN110534609A - A kind for the treatment of process of photovoltaic double-glass glass component - Google Patents

Abstract

The present invention relates to the technical field of solar cells, in particular to a process for processing a photovoltaic double glass assembly, comprising the following process steps: performing a corner cutting process on the corners of the photovoltaic double glass assembly body, and performing corner cutting on the photovoltaic double glass assembly The corners of the main body are edged; and the process of applying corner rubber strips is to fix the corner rubber strips on the sides of the main body of the photovoltaic double glass module. Due to the application of corner strips with appropriate thickness and length, external stress is transmitted to this area, and its point load becomes surface load, so that the body of the photovoltaic double glass module weakens the concentration transmitted from the outside during installation, transportation and use. The damage of the stress to the module reduces the probability of damage to the photovoltaic double glass module; the stress concentration phenomenon at the corner of the photovoltaic double glass module is reduced by setting a cut-off structure, thereby reducing the formation of stress concentration during the installation, transportation and use of the photovoltaic double glass module damage phenomenon, thus playing a protective role.

Description

A processing technology of photovoltaic double glass module

technical field

The invention relates to the technical field of solar cells, in particular to a treatment process for photovoltaic double glass components.

Background technique

With the continuous development of distributed solar energy, photovoltaic systems are widely used in buildings, especially BIPV such as photovoltaic curtain walls, photovoltaic lighting roofs, photovoltaic sun rooms, photovoltaic parking sheds, photovoltaic agricultural greenhouses, and photovoltaic greenhouses. Glass has the advantages of high strength, good light transmission, excellent waterproof performance, low price, and convenient material acquisition. It is widely used as packaging materials and conductive materials for photovoltaic modules. Double-glass modules, namely photovoltaic solar cells, are generally used in similar BIPV projects. Or the front and rear packaging panels of the photovoltaic chip are all glass.

The prior art photovoltaic double glass module glass has the following problems: 1. The photovoltaic double glass module of the prior art, after packaging and testing, has a rectangular overall shape, that is, the four corners of the glass plane are at right angles of 90°. In actual application, photovoltaic double glass modules are generally used as light-transmitting or opaque building covering enclosure materials, and are directly installed on photovoltaic curtain walls, photovoltaic lighting roofs, photovoltaic sun rooms, photovoltaic carports, photovoltaic agricultural greenhouses, and photovoltaic greenhouses. In other BIPV projects, it replaces the original glass or other building envelope materials. In order to meet the needs of building waterproofing, the supporting structure of the photovoltaic double glass module is generally fixed by the frame, stuffed with rubber strips, sealed with sealant or not applied, and some support structures are directly attached to the frame with structural adhesive The method is fixed. Due to the impact of external forces on the supporting structure system due to external snow loads, wind loads or construction loads during the actual installation or use of the project, the supporting structure frame is deformed by force, often due to uneven force. The glass itself is a brittle material, and also has internal stress; and as one side of the conductive layer of the photovoltaic module, the encapsulation panel glass cannot be fully tempered in order to ensure its flatness and prevent deformation during the tempering process; The standard products of glass components are designed, produced, and tested according to photovoltaic specifications. In order to control the weight, the thickness of a single piece of glass is generally used; The cracking and damage of the glass panel of the packaging material occurs from time to time, and most of the cracks are in the form of: one side near a right-angled corner starts to extend radially toward the middle. Regarding this problem, the industry has been working hard to improve the support structure and efforts, and the phenomenon of cracking and damage of photovoltaic double glass modules has not been eliminated.

Contents of the invention

The technical problem to be solved by the present invention is: stress concentration phenomenon exists in the glass in the existing photovoltaic double glass module, which easily causes the problem of cracking and damage of the glass panel.

In order to solve the above-mentioned technical problems, the present invention provides a process for processing photovoltaic double glass components. The corner cutting process is to perform corner cutting processing on the corners of the photovoltaic double glass component body, and to process the corners of the photovoltaic double glass component body after corner cutting. The corners are edged; and the process of applying corner rubber strips is to fix the corner rubber strips on the side of the photovoltaic double glass module body.

Further, in the corner cutting process, the corners of the photovoltaic double glass module body are rounded, and the radius of the rounded corners is 10-25mm.

Further, in the chamfering process, the corners of the main body of the photovoltaic double glass module are chamfered, and the length of the chamfered corners is 10-25 mm.

Further, a corner bead is fixed on each side of the body of the photovoltaic double glass assembly at a distance of 5-10 mm from each corner-cutting structure.

Further, the corner bead is fixed on the side of the main body of the photovoltaic double glass module by using a liquid rubber mold injection method.

Further, the corner protector strip is bonded to the side of the main body of the photovoltaic double glass module.

Further, the photovoltaic double glass module body includes a front encapsulation glass panel, a rear encapsulation glass panel and a photovoltaic chip arranged between the front encapsulation glass panel and the rear encapsulation glass panel, the front encapsulation glass panel and the rear encapsulation glass panel connected by an adhesive layer.

Further, the bonding layer is two layers of EVA film.

Further, the middle of the photovoltaic double glass module body is a solar photovoltaic cell area, and the surrounding edges are non-power generation edge areas, and the corner strips are installed on the non-power generation edge areas.

Beneficial effects of the present invention: The process for processing photovoltaic double-glass components provided by the present invention includes a corner-cutting process, which performs corner-cutting treatment on the corners of the photovoltaic double-glass component body, and performs corner-cutting on the corners of the photovoltaic double-glass component after corner-cutting. Edge grinding; and applying the corner beading tape process, fixing the corner beading tape on the side of the photovoltaic double glass assembly body; chamfering the corners of the photovoltaic double glass assembly body through the corner cutting process, and at the same time Each side of the main body of the photovoltaic double glass module is fixed with at least one corner rubber strip. Due to the application of the corner rubber strip with appropriate thickness and length, the external stress is transmitted to this area, and its point load becomes a surface Load, so that the photovoltaic double glass module body weakens the damage to the module by the concentrated stress transmitted from the outside during installation, transportation, and use, reducing the probability of damage to the photovoltaic double glass module; and at the corners of the photovoltaic double glass module body There is a corner-cutting structure, which reduces the stress concentration phenomenon at the corners of the photovoltaic double-glass module body, thereby reducing the damage caused by stress concentration during the installation, transportation and use of the photovoltaic double-glass module, thereby playing a role The protective effect improves the quality, integrity rate and service life of the photovoltaic double glass module, and has good economical efficiency.

Description of drawings

The advantages of the above and/or additional aspects of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is the flow chart of the photovoltaic double glass module treatment process described in the first embodiment of the present invention;

Fig. 2 is the flowchart of the production process of the photovoltaic double glass module described in the second embodiment of the present invention;

Fig. 3 is a front view structural schematic diagram of the photovoltaic double glass assembly described in Embodiment 3 of the present invention;

Fig. 4 is a side view schematic diagram of the photovoltaic double glass module described in Embodiment 3 of the present invention;

Fig. 5 is a partial enlarged view of Fig. 4;

Fig. 6 is an enlarged view of part A of Fig. 5;

Fig. 7 is a schematic front view structural diagram of the photovoltaic double glass assembly described in Embodiment 4 of the present invention.

Among them, the corresponding relationship between reference numerals and component names in Fig. 1 to Fig. 7 is:

1. Photovoltaic double glass module body, 11. Front encapsulation glass panel, 111. Solar photovoltaic cell area, 112. Non-power generation edge area, 12. Rear encapsulation glass panel, 13. EVA film, 131. Photovoltaic cell layer, 14. Circle Cutting corner, 15. Beveled corner, 2. Corner protector strip, 3. Junction box, 4. Electrical cable, 5. MC4 connector.

Detailed ways

In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

Embodiment one

As shown in Figure 1, this embodiment provides a treatment process for photovoltaic double glass components, which mainly includes corner cutting process and application of corner protector strips on the formed photovoltaic double glass component body, specifically including : Corner cutting process, first prepare the finished photovoltaic double glass module body, carry out the corner cutting process on the corners of the photovoltaic double glass module body, and grind the corners of the photovoltaic double glass module body after the corner cutting; and The process of applying corner beading strips is to fix the corner beading strips on the side of the photovoltaic double glass module body. By chamfering the corners of the finished photovoltaic double glass module body, and at least one corner bead is fixed on each side of the photovoltaic double glass module body, due to the appropriate thickness and length of the protective With the application of the corner rubber strip, the external stress is transmitted to this area, and its point load becomes a surface load, so that the photovoltaic double glass module body weakens the damage to the module due to the concentrated stress transmitted from the outside during installation, transportation and use, and reduces The probability of damage to the photovoltaic double glass assembly; and a corner cut structure is provided at the corner of the photovoltaic double glass module body, and the stress concentration phenomenon at the corner of the photovoltaic double glass module is reduced by setting the corner cut structure, thereby reducing the photovoltaic double glass The damage phenomenon caused by stress concentration during the installation, transportation and use of the glass module body plays a protective role, improving the quality, integrity rate and service life of the photovoltaic double glass module, and has good economical efficiency.

The photovoltaic double glass module body includes a front packaging glass panel, a rear packaging glass panel and a photovoltaic chip arranged between the front packaging glass panel and the rear packaging glass panel, and the front packaging glass panel and the rear packaging glass panel are bonded The knot layers are connected into one. The front encapsulation glass panel and the rear encapsulation glass panel are bonded together through the adhesive layer to form the entire body of the photovoltaic double glass panel assembly. The main body of the photovoltaic double glass assembly includes a solar photovoltaic cell area in the middle and a non-power generation edge area, and the corner protector strip is installed on the non-power generation edge area. Wherein the corner bead in this application is a U-shaped structure, and the U-shaped corner bead is set on the side of the non-power generation edge area of the photovoltaic double glass module body, thereby realizing the The overall fixation of the module body does not affect the work of the solar photovoltaic cell area at the same time.

Preferably, the adhesive layer described in the present application is two layers of EVA film, and a photovoltaic chip is arranged between the two layers of EVA films, and the photovoltaic chip corresponds to the solar photovoltaic cell area on the front packaging glass panel, and the two layers of the EVA film The outer sides of the EVA film are respectively the rear sealing glass panel and the front sealing glass panel, and then form a whole; the glass itself in this embodiment is the same as the conventional photovoltaic double glass module, and its production process is the same as its original process.

Preferably, in the corner cutting process, the corners of the photovoltaic double glass module are chamfered, and the length of the chamfered corner is 10-25mm; this can meet the requirements of reducing stress concentration, that is, increase To achieve a suitable stress release cut angle size, so that the internal force transmitted along the non-power generation edge area can be completely released, and the solar power generation area on the photovoltaic double glass module can not be occupied.

In the corner cutting process described in the present application, corners of the photovoltaic double glass module may be rounded, and the radius of the rounded corners is 10-25 mm. As shown in Figure 5, the cut corner structure described in this embodiment is a round cut corner 14. The photovoltaic double glass assembly provided in this embodiment includes a photovoltaic double glass assembly body and a corner strip 2. The photovoltaic double glass assembly described in this embodiment The double glass assembly body is rectangular, and the four corners of the rectangular photovoltaic double glass assembly body are provided with the rounded corners 14, by setting each corner of the photovoltaic double glass assembly body The rounded corners 14 are used to improve the overall strength of the photovoltaic double glass module, reduce stress concentration, and further reduce the problem of cracking and damage of the photovoltaic double glass module during transportation. Wherein the round cut corner 14 described in the present application is to form a round cut corner structure at the four right-angle corners of the photovoltaic double glass module body, and the radius of the round cut corner is 10-25mm, so that it can To meet the requirements of reducing stress concentration, that is, to increase the size of the appropriate stress release cut-off angle, so that the internal force transmitted along the non-power generation edge area can be completely released, and the solar power generation area on the photovoltaic double glass module can not be occupied. In the corner cutting process, the corners of the photovoltaic double glass module are chamfered, and the side length of the chamfered corner is 10-25 mm.

Each of the four sides of the photovoltaic double glass module body is provided with two corner protector strips, and the two corner protector strips are respectively close to the two described corner protector strips on the side. Chamfer structure settings. That is to say, in this application, the corner protector strips are arranged on the non-power generation edge area near the bevel corner starting at a distance of 5-10mm from the bevel cut angle. The difference is that the material of the corner protector strips is EPDM and other aging-resistant rubber materials. The application process can be performed by liquid rubber mold injection, or by other methods such as bonding with solid rubber strips. Due to the application of the corner strips with appropriate thickness and length, the external stress is transmitted to this area, and its point load becomes a surface load, so that the body of the photovoltaic double glass module weakens the concentration transmitted from the outside during installation, transportation and use. Stress damage to components.

Embodiment two

As shown in Figure 2, the present invention provides a production process for a photovoltaic double glass module, including a corner cutting process, which is to perform a corner cutting process on the corners of the photovoltaic double glass module body, and to process the corners of the photovoltaic double glass module body after corner cutting The corners of the photovoltaic double glass assembly body are edged; and the corner beading process is applied, and the corner beading tape is fixed on the side of the photovoltaic double glass assembly body; the corners of the photovoltaic double glass assembly body are cut through the trimming process, At the same time, at least one corner rubber strip is fixed on each side of the photovoltaic double glass module body. Due to the application of the corner rubber strip with a suitable thickness and length, the external stress is transmitted to this area, and its point load It becomes a surface load, so that the main body of the photovoltaic double glass module weakens the damage to the module caused by the concentrated stress transmitted from the outside during installation, transportation and use, and reduces the probability of damage to the photovoltaic double glass module; and in the photovoltaic double glass module The corners of the main body are provided with a corner-cutting structure, which reduces the stress concentration phenomenon at the corners of the photovoltaic double-glass module, thereby reducing the damage caused by stress concentration during the installation, transportation and use of the photovoltaic double-glass module. Therefore, it plays a protective role, improves the quality, integrity rate and service life of the photovoltaic double glass module, and has good economy.

As shown in Figure 2, the production process of the photovoltaic double glass module also includes the following process steps:

Material preparation, the photovoltaic chip, EVA film, front packaging glass panel and rear packaging glass panel are processed in a dust-free environment according to the production requirements and product size for backup;

Glass cleaning, cleaning the surface of the front packaging glass panel and the rear packaging glass panel;

Cutting the film, cutting the prepared EVA film, so that the shape and size of the EVA film are suitable for the front packaging glass panel and the rear packaging glass panel;

Photovoltaic chip welding;

Laying, the front packaging glass panel, EVA diaphragm, photovoltaic chip EVA diaphragm and rear packaging glass panel are laminated and pressed together in sequence to form the initial body of the battery;

Lamination, put the laid-up battery body into the laminator for pre-pressing;

Pressing and bonding, put the laminated battery body into the high-pressure reactor, so that the front packaging glass panel, EVA diaphragm, photovoltaic chip EVA diaphragm and rear packaging glass panel are pressed into a whole to form a photovoltaic double glass components;

Install the junction box and connect the junction box with the photovoltaic chip in the photovoltaic double glass module;

Inspection, appearance inspection: color difference, air bubbles and dirt on the surface of photovoltaic double glass modules;

Internal quality inspection, use the tester to measure the electrical performance parameters to determine the quality level of the product;

Packaging, packaging the appearance of the products that pass the quality standard;

The trimming process is located between the pressing and bonding process and the junction box installation process.

It should be noted that the above-mentioned material preparation, glass cleaning, film cutting, photovoltaic chip welding, laying, lamination, pressing and bonding, installation of junction boxes, testing and packaging are all process steps in the prior art. The specific details will not be repeated here.

Preferably, in the chamfering process, the corners of the photovoltaic double glass module body are chamfered, and the side length of the chamfered angle is 10-25mm, which can meet the requirement of reducing stress concentration. That is to say, it is increased to a suitable stress relief cutting angle size, so that the internal force transmitted along the non-power generation edge area can be completely released, and the solar power generation area on the photovoltaic double glass module can not be occupied. Optionally, the triangle cut by the chamfered angle structure in the present application is an isosceles right triangle, that is, the angles between the two sides and the hypotenuse of the chamfered angle are both 135°; it should be noted that in In the present application, the included angles between the two sides and the hypotenuse of the bevel angle can also be unequal, that is, the cut right triangle can not be an isosceles right triangle, such as one of the sides obliquely with the bevel angle. The included angle of one side is 150 °, and the included angle of another adjacent side and the beveled angle side is 120 °, which can also realize the purpose of the present application, and its purpose does not depart from the design concept of the present invention, and should belong to this application. protection scope of the invention.

In this embodiment, not all corners may be provided with chamfered corners, and only one, two or three corners may be provided with chamfered corners, which can also achieve the improvement of structural strength in the present application. The purpose of reducing the stress should belong to the protection scope of the present invention.

It should be noted that, in this embodiment, not all corners are provided with chamfered corners, and there may be only one, two or three corners provided with chamfered corners, which can also realize the The purpose of improving structural strength and reducing stress should belong to the scope of protection of the present invention.

Optionally, in the corner cutting process described in the present application, the corners of the photovoltaic double glass module may be rounded, and the radius of the rounded corners is 10-25 mm. As shown in Figure 5, the cut corner structure described in this embodiment is a round cut corner. The photovoltaic double glass assembly provided in this embodiment includes a photovoltaic double glass assembly body and a corner strip. The photovoltaic double glass assembly described in this embodiment The component body is rectangular, and the four corners of the rectangular photovoltaic double glass component body are provided with the rounded corners. By setting the rounded corners at each corner of the photovoltaic double glass component body To improve the overall strength of the photovoltaic double glass module, reduce the stress concentration phenomenon, and then reduce the problem of cracking and damage of the photovoltaic double glass module during transportation. Among them, the rounded corners described in this application are to form a rounded corner structure at the four right-angled corners of the photovoltaic double glass module body, and the radius of the rounded corners is 10-25mm, which can meet the The need to reduce stress concentration is to increase the size of the appropriate stress release cut-off angle, so that the internal force transmitted along the non-power generation edge area can be completely released, and the solar power generation area on the photovoltaic double glass module can not be occupied.

Each of the four sides of the photovoltaic double glass module body is provided with two corner protector strips, and the two corner protector strips are respectively close to the two described corner protector strips on the side. Chamfer structure settings. That is to say, in this application, the corner protector strips are arranged on the non-power generation edge area near the bevel corner starting at a distance of 5-10mm from the bevel cut angle. The difference is that the material of the corner protector strips is EPDM and other aging-resistant rubber materials. The application process can be performed by liquid rubber mold injection, or by other methods such as bonding with solid rubber strips. Due to the application of the corner strips with appropriate thickness and length, the external stress is transmitted to this area, and its point load becomes a surface load, so that the body of the photovoltaic double glass module weakens the concentration transmitted from the outside during installation, transportation and use. Stress damage to components.

Embodiment three

As shown in Figures 3 to 6, this embodiment provides a photovoltaic double glass assembly product manufactured by the method of Embodiment 1 or Embodiment 2. The photovoltaic double glass assembly includes a photovoltaic double glass assembly body 1 and a corner protector Rubber strip 2, at least one corner rubber strip 2 is provided on each side of the photovoltaic double glass assembly body 1, and a beveled corner 15 is provided at the corner of the photovoltaic double glass assembly body 1, By setting the bevel angle 15 to reduce the stress concentration problem at the corner of the main body 1 of the photovoltaic double glass module, thereby reducing the damage phenomenon caused by the stress concentration during the installation, transportation and use of the photovoltaic double glass module, thereby playing a protective role and improving the The quality, integrity rate and service life of the photovoltaic double glass module have good economics.

As shown in Figures 4 to 6, the photovoltaic double glass module body 1 includes an adhesive layer, a front encapsulation glass panel 11 and a rear encapsulation glass panel 12, and the front encapsulation glass panel 11 and the rear encapsulation glass panel 12 pass through The adhesive layer is connected into one body. The front encapsulation glass panel 11 and the rear encapsulation glass panel 12 are bonded together through an adhesive layer to form the entire photovoltaic double glass panel assembly body; the photovoltaic double glass assembly body 1 can be divided into a solar photovoltaic cell area 111 in the middle and surrounding areas The non-power generation edge area 112 of the edge, the corner bead 2 is installed on the side of the non-power generation edge area 112; wherein the corner bead 2 in this application is a U-shaped structure, and the U-shaped The corner protector strip 2 is set on the side of the photovoltaic double glass module body 1 in the non-power generation edge area 112, so as to realize the overall fixation of the photovoltaic double glass module body 1 without affecting the solar photovoltaic cell area 111. Work.

Preferably, the bonding layer described in the present application is two layers of EVA films 13, and a photovoltaic cell layer 131 is arranged between the two layers of EVA films 13, and the photovoltaic cell layer 131 corresponds to the solar energy on the front encapsulation glass panel 11. Photovoltaic cell area 111, the outer side of two layers of described EVA film 13 is rear encapsulation glass panel 12 and front encapsulation glass panel 11 respectively, and then forms a whole; In the present embodiment, the glass itself is the same as the conventional photovoltaic double glass assembly, and its production The process is the same as its original process.

The corners in this embodiment refer to the connection between two adjacent sides of the photovoltaic double glass assembly body 1. Preferably, the photovoltaic double glass assembly body 1 in this embodiment is rectangular, and the rectangular shape The four corners of the photovoltaic double glass assembly body 1 are provided with the chamfer 15, by setting the chamfer 15 at each corner of the photovoltaic double glass assembly body 1 to improve the photovoltaic double glass assembly The overall strength of the main body 1 reduces the phenomenon of stress concentration, thereby reducing the problem of cracking and damage of the main body 1 of the photovoltaic double glass module during transportation. The chamfered corner 15 in this application is to cut a right triangle at the four right-angled corners of the photovoltaic double glass module body 1 to form a chamfered corner structure.

Preferably, in this embodiment, the side length of the chamfered corner 15 is 10-25 mm, which can meet the requirement of reducing stress concentration, that is, increase to a suitable size of the chamfered corner for stress release, so that along the non-power generation The internal force transmitted by the edge area 112 is completely released, and the solar power generation area on the photovoltaic double glass assembly may not be occupied. Optionally, the triangle cut by the chamfered angle structure in the present application is an isosceles right triangle, that is, the angle between the two sides and the hypotenuse of the chamfered angle 15 is 135°; it should be noted that In the present application, the included angles between the two sides and the hypotenuse of the chamfered angle 15 may also be unequal, that is, the cut right triangle may not be an isosceles right triangle, such as where one side and the chamfered The included angle of the hypotenuse of the angle 15 is 150°, and the included angle between the other adjacent side and the side of the beveled angle 15 is 120°, which can also achieve the purpose of the present application, and its purpose does not deviate from the design concept of the present invention , should belong to the protection scope of the present invention.

In the present embodiment, not all corners are provided with chamfered corners 15, and only one, two or three corners are provided with chamfered corners 15, which can also realize the improvement in the present application. The purpose of structural strength to reduce stress does not deviate from the design concept of the present application, and should belong to the protection scope of the present invention.

In the present application, two of the corner bead strips 2 are provided on each of the four sides of the photovoltaic double glass module body 1, and the two corner bead strips 2 are respectively close to the side The two chamfered structures on the sides are provided. That is to say, in this application, the corner protector strip 2 is arranged on the non-power generation edge area 112 near the chamfer angle 15 and at a distance of 5-10 mm from the chamfer corner. The length and thickness of the corner protector strip 2 are based on the size specifications and The weight is different. The material of the corner protector strip 2 is EPDM and other aging-resistant rubber materials. The application process can adopt liquid rubber mold injection method, or use other methods such as bonding method with solid rubber strip. Due to the application of the corner bead 2 with appropriate thickness and length, the external stress is transmitted to this area, and its point load becomes a surface load, so that the photovoltaic double glass module body weakens the external stress during installation, transportation and use. Concentrated stress damage to components.

Of course, in this embodiment, the corner bead 2 can also be equipped with one, three, four, etc., which can also realize the problem of changing point loads into surface loads and reducing stress concentration. Deviation from the design idea of the present invention shall belong to the protection scope of the present invention.

As shown in Figures 3 to 6, the photovoltaic double glass assembly also includes a junction box 3, an electrical cable 4 and a joint, the junction box 3 is connected to the output end of the solar photovoltaic cell area 111, and the electrical wire One end of the cable 4 is connected to the junction box 3, and the other end is connected to the joint, and the electric energy generated by the solar photovoltaic cell area 111 is transported out through the junction box 3, the electrical cable 4 and the joint; preferably, the joint is MC4 Connector 5, the electrical cable and the MC4 connector 5 are provided with two, one end of the two electrical cables 4 communicates with the junction box 3 respectively, and the other end connects with the two MC4 connectors 5 respectively. connected.

Embodiment four

This example is another product of the photovoltaic double glass assembly obtained by using the preparation process or treatment process of Example 1 or Example 2. The structure of the photovoltaic double glass assembly obtained in this example is substantially the same as that of Example 3. The main difference is that, as shown in Figure 7, the cut corner structure described in this embodiment is a round cut corner 14, and the photovoltaic double glass module provided in this embodiment includes a photovoltaic double glass module body 1 and a corner protector strip 2. In the embodiment, the main body 1 of the photovoltaic double glass assembly is rectangular, and the four corners of the rectangular photovoltaic double glass assembly body 1 are provided with the rounded corners 14. Each corner of the body 1 is provided with rounded corners 14 to improve the overall strength of the photovoltaic double glass module body 1 and reduce stress concentration, thereby reducing the problem of cracking and damage of the photovoltaic double glass module body 1 during transportation. Wherein the rounded corner 14 described in this application is to form a rounded corner 14 structure at the four right-angled corners of the photovoltaic double glass module body 1, and the radius of the rounded corner 14 is 10-25mm, In this way, the demand for reducing stress concentration can be met, that is, the size of the cut angle for stress relief can be increased to a suitable size, so that the internal force transmitted along the non-power generation edge area 112 can be completely released, and the solar power generation area on the photovoltaic double glass module can not be occupied. .

Embodiment five

This embodiment is another product of the photovoltaic double glass module obtained by adopting the preparation process or treatment process of Embodiment 1 or Embodiment 2. The technical solution of this embodiment is basically the same as that of Embodiment 3. In the embodiment, the cut corners have both chamfered corners and round cut corners. For example, the main body of the photovoltaic double glass module is rectangular, and two of the four corners of the rectangular photovoltaic double glass module body are set There are beveled corners and the other two are provided with rounded corners. It can also be three beveled corners and one rounded corner, or three rounded corners and one beveled corner. It can also achieve the purpose of this application, and its purpose does not deviate from Design idea of the present invention.

In summary, the production process of the photovoltaic double glass module provided by the present invention includes: a corner cutting process, which is to perform a corner cutting process on the corners of the photovoltaic double glass module, and to grind the corners of the photovoltaic double glass module after corner cutting edge; and applying the corner beading strip process, fixing the corner beading strip on the side of the photovoltaic double glass assembly; cutting the corners of the photovoltaic double glass assembly through the trimming process, and simultaneously on the photovoltaic double glass assembly At least one corner bead is fixed on each side of the component. Due to the application of the corner bead with appropriate thickness and length, the external stress is transferred to this area, and its point load becomes a surface load, so that The main body of the photovoltaic double glass module weakens the damage to the module caused by the concentrated stress transmitted from the outside during installation, transportation and use, reducing the probability of damage to the photovoltaic double glass module; and there is a corner cut at the corner of the photovoltaic double glass module Structure, by setting a corner-cutting structure to reduce the stress concentration phenomenon at the corner of the photovoltaic double glass module, thereby reducing the damage caused by the stress concentration during the installation, transportation and use of the photovoltaic double glass module, thus playing a protective role and improving the photovoltaic performance. The quality, integrity rate and service life of the double glass components have good economy. .

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. It is not intended to indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "communication", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; may be mechanically connected, may also be electrically connected; may be directly communicated, may also be indirectly communicated through an intermediary, and may be internally communicated between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.

Claims (9)

1. A treatment process for photovoltaic double glass components, characterized in that: comprising: A chamfering process, chamfering the corners of the photovoltaic double glass module body, and grinding the corners of the photovoltaic double glass module body after chamfering; and The process of applying corner beading strips is to fix the corner beading strips on the side of the photovoltaic double glass module body. 2. The processing technology of the photovoltaic double glass assembly according to claim 1, characterized in that: in the corner cutting process, the corners of the photovoltaic double glass assembly body are rounded, and the corners of the rounded corners The radius is 10-25mm. 3. The processing technology of the photovoltaic double glass assembly according to claim 1, characterized in that: in the chamfering process, the corners of the photovoltaic double glass assembly body are beveled, and the angle of the chamfered angle The side length of the cut corner is 10-25mm. 4. The processing technology of the photovoltaic double glass assembly according to claim 1, characterized in that: a corner strip is fixed on each side of the photovoltaic double glass assembly body at a distance of 5-10mm from each corner cutting structure . 5. The processing technology of photovoltaic double glass assembly according to claim 1, characterized in that: the corner bead is fixed on the side of the photovoltaic double glass assembly body by liquid rubber mold injection method. 6 . The processing technology of the photovoltaic double glass assembly according to claim 1 , wherein the corner protector strip is bonded to the side of the main body of the photovoltaic double glass assembly. 7 . 7. The processing technology of the photovoltaic double glass assembly according to any one of claims 1 to 6, characterized in that: the photovoltaic double glass assembly body comprises a front encapsulation glass panel, a rear encapsulation glass panel and a front encapsulation glass panel 1. Photovoltaic chips between the rear packaging glass panels, the front packaging glass panel and the rear packaging glass panel are connected into one body through an adhesive layer. 8. The treatment process of photovoltaic double glass modules according to claim 7, characterized in that: the bonding layer is two layers of EVA film. 9. The processing technology of photovoltaic double glass assembly according to claim 7, characterized in that: the middle of the photovoltaic double glass assembly body is the solar photovoltaic cell area, and the surrounding edges are non-power generation edge areas, and the corner protector strip Installed in the non-power generating edge area.