CN215184013U

CN215184013U - Photovoltaic back film for increasing light absorptivity of photovoltaic module

Info

Publication number: CN215184013U
Application number: CN202120715165.2U
Authority: CN
Inventors: 缪清; 陈守辉; 苏青梅; 杨慧敏
Original assignee: AE Solar Co Ltd
Current assignee: AE Solar Co Ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-12-14
Anticipated expiration: 2031-04-08

Abstract

The utility model discloses a photovoltaic back film for increasing the light absorption rate of a photovoltaic module, which comprises a cell panel and a back film main body layer, wherein the back film main body layer is adhered on one side of the cell panel, an adhesive layer is arranged on the other side of the back film main body layer, a mirror reflection layer is arranged on one side of the back film main body layer, the mirror reflection layer is adhered on one side of the back film main body layer through the adhesive layer, a steel mesh layer is arranged on one side of the mirror reflection layer, a waterproof layer is arranged on one side of the steel mesh layer, and a glass protective layer is arranged on one side of the waterproof layer, the utility model is suitable for a photovoltaic back film, sunlight is reflected by arranging the mirror reflection layer above the back film main body layer, the conversion efficiency of the photovoltaic module is improved, and meanwhile, the waterproof layer and the steel mesh layer are arranged above the back film main body layer, the waterproof and supporting functions of the back film are ensured, and the bulges can play a role of buffering function, and grooves are arranged on both sides of the cell panel, utilize the cylindrical shaft block on the buckle, make the installation of notacoria bulk layer more convenient with taking off.

Description

Photovoltaic back film for increasing light absorptivity of photovoltaic module

Technical Field

The utility model belongs to the technical field of photovoltaic module, specifically a photovoltaic notacoria that increases photovoltaic module light absorption rate.

Background

The single solar cell can not be directly used as a power supply, a plurality of single cells are required to be connected in series, in parallel and tightly packaged into a module as the power supply, the photovoltaic module is a core part in a solar power generation system and is also the most important part in the solar power generation system, and the photovoltaic module has the function of converting solar energy into electric energy and transmitting the electric energy to a storage battery for storage or pushing a load to work;

the back film is used as a photovoltaic packaging material which is directly contacted with an external environment in a large area, and has excellent long-term aging resistance, electrical insulation resistance, water vapor barrier and other properties, and the improvement of the conversion efficiency of a photovoltaic module is a constant subject of the solar photovoltaic industry, so that the photovoltaic back film can meet the application environment examination and the use requirements, and simultaneously, more functions and better properties are endowed, such as the improvement of the light absorption rate of the photovoltaic module and the like, and the back film is easy to install and take down.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide an increase photovoltaic notacoria of photovoltaic module light absorption rate.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an increase photovoltaic notacoria of photovoltaic module light absorptivity, includes panel and notacoria main part layer, the notacoria main part layer bonds one side of panel, be provided with the gluing layer on the notacoria main part layer opposite side, notacoria main part layer one side is provided with the mirror surface reflection layer, the mirror surface reflection layer passes through the gluing layer bonds in notacoria main part layer one side, mirror surface reflection layer one side is provided with the steel mesh layer, steel mesh layer one side sets up the waterproof layer, waterproof layer one side is provided with the glass protective layer.

Preferably, the side of the glass protective layer, which is in contact with the waterproof layer, is uniformly provided with spherical protrusions.

Preferably, the two sides of the battery panel are provided with grooves, the two side faces of the glass protective layer are provided with clamping holes, the two sides of the battery panel are provided with clamping plates, the clamping plates are U-shaped, and the two ends of each clamping plate are clamped into the grooves and the clamping holes respectively.

Preferably, the clamping plate is made of a micro-elastic material, and a cushion pad is arranged on the contact side of the clamping plate and the battery panel.

Preferably, buckles are arranged on two sides of the battery panel and are U-shaped, one end of each buckle can be clamped into the corresponding groove, and the other end of each buckle can be pressed on the upper surface of the back membrane main body layer.

Preferably, through holes are formed in two sides of the back membrane main body layer, a cylindrical shaft is arranged on the lower surface of one side of the back membrane main body layer in a press fit mode, and the cylindrical shaft can be inserted into the through holes in the back membrane main body layer.

In the utility model, the mirror reflection layer is arranged above the back film main body layer to reflect sunlight, thereby improving the conversion efficiency of the photovoltaic module battery, and meanwhile, other structures such as the waterproof layer and the steel net layer are arranged above the back film main body layer, thereby ensuring the waterproof and supporting functions of the back film, and the spherical bulge can play a role in buffering, protecting the internal structure from being damaged, and having simple structure and lower cost;

the utility model discloses in, through setting up the recess in the panel both sides, utilize the cylinder axle block on the buckle, it is more convenient to make the installation on notacoria main part layer and take off, reduces the waste of cost of labor.

Drawings

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

FIG. 2 is a schematic view of the middle buckle mounting structure of the present invention;

fig. 3 is a schematic view of the middle buckle structure of the present invention.

Reference numerals: 1. a battery plate; 2. a groove; 3. a backsheet bulk layer; 4. an adhesive layer; 5. a specular reflection layer; 6. a steel mesh layer; 7. a glass protective layer; 8. a clamping hole; 9. a waterproof layer; 10. a spherical bulge; 11. clamping a plate; 12. buckling; 13. a cylindrical shaft.

Detailed Description

The following describes a specific embodiment of a photovoltaic back film for increasing the light absorption rate of a photovoltaic module according to the present invention with reference to fig. 1 to 3. The utility model relates to an increase photovoltaic notacoria of photovoltaic module light absorptivity is not limited to the description of following embodiment.

Example 1:

this embodiment provides a specific structure of photovoltaic notacoria that increases photovoltaic module light absorption rate, as shown in fig. 1, including panel 1 and notacoria main part layer 3, notacoria main part layer 3 bonds in one side of panel 1, be provided with adhesive layer 4 on the 3 opposite sides of notacoria main part layer, 3 one sides of notacoria main part layer are provided with specular reflection layer 5, specular reflection layer 5 bonds in 3 one sides of notacoria main part layer through adhesive layer 4, 5 one sides of specular reflection layer are provided with

steel mesh layer

6, 6 one sides of steel mesh layer are provided with waterproof layer 9, waterproof layer 9 one side is provided with glass protective layer 7.

The side of the glass protective layer 7 contacting the waterproof layer 9 is uniformly provided with spherical protrusions 10 which play a role in buffering the internal structure.

The battery board 1 both sides are provided with recess 2, and 7 both sides of glass protective layer are provided with

card hole

8, and 1 both sides of battery board are provided with cardboard 11, and cardboard 11 is the U font, and the cardboard 11 both ends block respectively advances in recess 2 and the card hole 8.

Cardboard 11 is little elastic material, and cardboard 11 is provided with the blotter with 1 contact side of panel, protection inner structure.

By adopting the technical scheme: first bind the one side at panel 1 with notacoria main part layer 3, then place adhesive layer 4 on notacoria main part layer 3, mirror reflection layer 5 is placed to adhesive layer 4 top, steel mesh layer 6 is placed to mirror reflection layer 5 top, waterproof layer 9 is placed to steel mesh layer 6 top, glass protective layer 7 is placed to waterproof layer 9 top, glass protective layer 7 has one side and the waterproof layer 9 contact of globular arch 10, then card board 11 both ends block respectively in card hole 8 and recess 2, above-mentioned process, through setting up mirror reflection layer 5, improve the reflection of sunshine, and then promote the conversion rate of panel 1, set up waterproof layer 9 simultaneously in notacoria main part layer 3 top, steel mesh layer 6, increase waterproof and the supporting role to the structure, carry out the block through card board 11 structure and panel 1 simultaneously, guarantee the stability of structure, and simple structure, and low cost.

Example 2:

the embodiment provides a specific structure of a photovoltaic back film for increasing the light absorption rate of a photovoltaic module, as shown in fig. 1-3, two sides of a cell panel 1 are provided with buckles 12, the buckles 12 are U-shaped, one end of each buckle 12 can be clamped into the corresponding groove 2, and the other end of each buckle can be pressed on the upper surface of the back film main body layer 3.

Through holes are formed in two sides of the back membrane main body layer 3, a cylindrical shaft 13 is arranged on the lower surface of one side of the back membrane main body layer 3 in a press fit mode through the buckles 12, and the cylindrical shaft 13 can be inserted into the through holes in the back membrane main body layer 3.

By adopting the technical scheme: at first on the cylinder axle 13 of 3 block in buckle 12 below of notacoria main part layer, then go into the recess 2 of 1 both sides of battery board through 12 other end block of buckle, bind notacoria main part layer 3 on 1 surface of battery board, when needing to take off notacoria main part layer 3, to buckle 12 block on 3 surfaces of notacoria main part layer, cylinder axle 13 inserts in closing the through-hole on the notacoria main part layer 3, take off notacoria main part layer 3, above in-process, through simple structure, make notacoria main part layer 3 more conveniently take off and install.

The working principle is that referring to fig. 1-3, firstly, a back film main body layer 3 is clamped on a cylindrical shaft 13 below a buckle 12, then the other end of the buckle 12 is clamped into grooves 2 at two sides of a battery plate 1, the back film main body layer 3 is adhered on the surface of the battery plate 1, then an adhesive layer 4 is arranged on the back film main body layer 3, a mirror reflection layer 5 is arranged above the adhesive layer 4, a steel mesh layer 6 is arranged above the mirror reflection layer 5, a waterproof layer 9 is arranged above the steel mesh layer 6, a glass protective layer 7 is arranged above the waterproof layer 9, one side of the glass protective layer 7 with spherical protrusions 10 is contacted with the waterproof layer 9, then two ends of a clamping plate 11 are respectively clamped into a clamping hole 8 and the groove 2, when the back film main body layer 3 needs to be taken down, firstly, the structure above the back film main body layer 3 is taken down, the buckle 12 is clamped on the surface of the back film main body layer 3, the cylindrical shaft 13 is inserted into a through hole on the back film main body layer 3, the backsheet body layer 3 is removed.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides an increase photovoltaic notacoria of photovoltaic module light absorptivity, includes panel (1) and notacoria main part layer (3), its characterized in that: the solar cell panel is characterized in that the back film main body layer (3) is adhered to one side of the cell panel (1), an adhesive layer (4) is arranged on the other side of the back film main body layer (3), a mirror reflection layer (5) is arranged on one side of the back film main body layer (3), the mirror reflection layer (5) is adhered to one side of the back film main body layer (3) through the adhesive layer (4), a steel mesh layer (6) is arranged on one side of the mirror reflection layer (5), a waterproof layer (9) is arranged on one side of the steel mesh layer (6), and a glass protective layer (7) is arranged on one side of the waterproof layer (9).

2. The photovoltaic backsheet for increasing the light absorption of a photovoltaic module of claim 1, wherein: and spherical bulges (10) are uniformly arranged on one side of the glass protective layer (7) which is in contact with the waterproof layer (9).

3. The photovoltaic backsheet for increasing the light absorption of a photovoltaic module of claim 1, wherein: the solar cell panel is characterized in that grooves (2) are formed in two sides of the solar cell panel (1), clamping holes (8) are formed in two side faces of the glass protective layer (7), clamping plates (11) are arranged on two sides of the solar cell panel (1), the clamping plates (11) are U-shaped, and two ends of each clamping plate (11) are clamped into the grooves (2) and the clamping holes (8) respectively.

4. The photovoltaic backsheet for increasing the light absorption of a photovoltaic module of claim 3 wherein: the clamping plate (11) is made of a micro-elastic material, and a cushion pad is arranged on the contact side of the clamping plate (11) and the battery panel (1).

5. The photovoltaic backsheet for increasing the light absorption of a photovoltaic module of claim 3 wherein: the back film comprises a back film body layer (3) and is characterized in that buckles (12) are arranged on two sides of the battery panel (1), the buckles (12) are U-shaped, one end of each buckle (12) can be clamped into the corresponding groove (2), and the other end of each buckle can be pressed on the upper surface of the back film body layer (3).

6. The photovoltaic backsheet for increasing the light absorption of a photovoltaic module of claim 5 wherein: through holes are formed in two sides of the back membrane main body layer (3), a cylindrical shaft (13) is arranged on the lower surface of one side, pressed on the back membrane main body layer (3), of the buckle (12), and the cylindrical shaft (13) can be inserted into the through holes in the back membrane main body layer (3).