CN218677169U

CN218677169U - Solar cell backboard with fluorine-containing flame-retardant coating

Info

Publication number: CN218677169U
Application number: CN202223411365.2U
Authority: CN
Inventors: 周俊; 魏虎
Original assignee: Changshu Tuopu Photovoltaic Material Co ltd
Current assignee: Changshu Tuopu Photovoltaic Material Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-03-21
Anticipated expiration: 2032-12-17

Abstract

The utility model discloses a solar cell backboard with a fluorine-containing flame retardant coating, which comprises a backboard, wherein a photovoltaic module is arranged on the backboard; the back plate comprises a surface layer, and a plurality of edges are arranged on the upper surface of the surface layer; a flame-retardant layer is arranged below the surface layer, a sealing plate is arranged below the flame-retardant layer, a connecting layer is arranged below the sealing plate, an inner wrapping layer is arranged below the connecting layer, and two ends of the inner wrapping layer extend upwards to be connected with the surface layer; be equipped with support piece below the top layer, support piece run through fire-retardant layer, closing plate, articulamentum in proper order and with interior parcel level fixed connection, be equipped with the fixed plate below the interior parcel level, the fixed plate side all upwards extends to and can cover photovoltaic module, is equipped with on the fixed plate and can be to the spacing limit structure of photovoltaic module. The utility model discloses increase the firmness that the backplate bonded, and can install backplate and photovoltaic module fixed, improve stability.

Description

Solar cell backboard with fluorine-containing flame-retardant coating

Technical Field

The utility model relates to a solar energy application technology field specifically indicates a solar cell backplate who contains fluorine flame retardant coating.

Background

A solar cell is a photoelectric semiconductor sheet that directly generates electricity using sunlight. The solar photovoltaic generator can output voltage instantly and generate current under the condition of a loop as long as the generator is irradiated by light meeting a certain illumination condition, and is physically called as solar photovoltaic, namely photovoltaic for short. The solar cell backboard is also called as a solar cell backboard film, a photovoltaic backboard film and a solar backboard, is widely applied to solar cell modules, is positioned on the outermost layer of the back surface of a solar cell panel, plays a role in protecting and supporting a cell, and has reliable insulativity, water resistance and aging resistance. Under long-time outdoor use, the glued membrane on the backplate easily ages and drops for the firmness of backplate descends, influences the use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses solve foretell technical problem, provide a solar cell backplate that the firmness is high, sealed fire resistance is good.

In order to solve the technical problem, the utility model provides a technical scheme does: a solar cell backboard with a fluorine-containing flame-retardant coating comprises a backboard, wherein a photovoltaic module is arranged on the backboard, and the photovoltaic module sequentially comprises a lower adhesive film, a cell piece, an upper adhesive film and glass; the back plate comprises a surface layer, and a plurality of edges are arranged on the upper surface of the surface layer; the fire-retardant layer is arranged below the surface layer, the sealing plate is arranged below the fire-retardant layer, the connecting layer is arranged below the sealing plate, the inner wrapping layer is arranged below the connecting layer and is U-shaped, and two ends of the inner wrapping layer extend upwards to be connected with the surface layer; be equipped with support piece below the top layer, support piece run through fire-retardant layer, closing plate, articulamentum in proper order and with interior parcel level fixed connection, be equipped with the fixed plate below the interior parcel level, the fixed plate side all upwards extends to and can cover photovoltaic module, be equipped with on the fixed plate and to the spacing limit structure of photovoltaic module.

Compared with the prior art, the utility model the advantage lie in: the surface layer of the back plate is additionally provided with a plurality of edges, so that the contact area with the eva adhesive film is increased, and the bonding firmness is increased; the sealing flame-retardant performance of the back plate is improved, and the longitudinal penetrating supporting piece is arranged, so that the stability and the pressure resistance are improved; the outer fixed plate and the limit structure that can fix backplate and photovoltaic module that are equipped with further make the backplate difficult for droing.

As an improvement, the flame-retardant layer adopts a fluorine-containing flame retardant.

As an improvement, the connecting layer adopts an adhesive.

As an improvement, the supporting piece is made of metal and the upper end and the lower end of the supporting piece are horn-shaped.

As the improvement, limit structure includes a plurality of screw hole that is equipped with on the fixed plate, screw hole female connection has the screw rod, the screw rod upper end is equipped with the turn button, the screw rod lower extreme rotates and is equipped with the limiting plate.

Drawings

Fig. 1 is a schematic diagram of the position of the back plate of the present invention.

Fig. 2 is a schematic cross-sectional view of the back plate of the present invention.

As shown in the figure: 1. the battery pack comprises a back plate, 2 parts of a lower adhesive film, 3 parts of a battery piece, 4 parts of an upper adhesive film, 5 parts of glass, 6 parts of a surface layer, 7 parts of a flame-retardant layer, 8 parts of a sealing plate, 9 parts of a connecting layer, 10 parts of an inner wrapping layer, 11 parts of a supporting part, 12 parts of a fixing plate, 13 parts of a threaded hole, 14 parts of a screw rod, 15 parts of a rotating button, 16 parts of a limiting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the first embodiment, all the figures are combined, the solar cell back plate with the fluorine-containing flame-retardant coating comprises a back plate 1, wherein a photovoltaic module is arranged on the back plate 1, and the photovoltaic module sequentially comprises a lower adhesive film 2, a cell piece 3, an upper adhesive film 4 and glass 5; the back plate 1 comprises a surface layer 6, and a plurality of edges are arranged on the upper surface of the surface layer 6, so that the contact area can be increased during glue application, and the bonding tightness can be improved; the fireproof sealing structure is characterized in that a flame-retardant layer 7 is arranged below the surface layer 6, the flame-retardant layer 7 adopts a fluorine-containing flame retardant, so that a good flame-retardant effect is achieved, a sealing plate 8 is arranged below the flame-retardant layer 7, a connecting layer 9 is arranged below the sealing plate 8, the connecting layer 9 adopts an adhesive, so that the sealing plate 8 and an inner wrapping layer 10 are connected, the inner wrapping layer 10 is arranged below the connecting layer 9, two ends of the inner wrapping layer 10 both extend upwards to be connected with the surface layer 6, the inner wrapping layer 10 is U-shaped, and forms a sealed whole with the surface layer 6, so that the sealing fireproof performance is improved; be equipped with support piece 11 below the top layer 6, support piece 11 is tubaeform for the metal material and upper and lower both ends, the area of contact that the end is connected about increasing, and the stability of metal material is better, support piece 11 runs through fire-retardant layer 7, closing plate 8, articulamentum 9 in proper order and with interior 10 fixed connection of wrapping up in the layer, plays vertical ascending supporting role, be equipped with fixed plate 12 below interior 10 of wrapping up in the layer, fixed plate 12 side all upwards extends to and can cover photovoltaic module, be equipped with on the fixed plate 12 and to the spacing limit structure of photovoltaic module, be convenient for with photovoltaic module and backplate whole reinforcement, long-time outdoor use is difficult for breaking away.

In this embodiment, limit structure includes a plurality of screw hole 13 that is equipped with on the fixed plate 12, screw hole 13 female connection has

screw rod

14, 14 upper ends of screw rods are equipped with

knob

15, 14 lower extremes of screw rods rotate and are equipped with limiting plate 16, can drive screw rod 14 through rotating knob 15 and rotate, and because limiting plate 16 is the rotation with screw rod 14 and is connected, limiting plate 16 can reciprocate when 14 rotations of screw rods, fixes photovoltaic module.

The utility model discloses a theory of operation: when using, when top layer 6 is connected with battery piece 3 through glued membrane 2 down, because be equipped with the arris on top layer 6, can increase the glueing area, improve the firmness of bonding, fluorine-containing fire-retardant layer 7 and closing plate 8 can increase sealed fire behaviour, the articulamentum 9 is connected closing plate 8 and interior parcel layer 10, make the interior parcel layer 10 of U-shaped and top layer 6 can form a sealed whole, be connected the installation with top layer 6 and photovoltaic module at last, make whole be located fixed plate 12, then rotate knob 15, make it drive screw rod 14 and rotate, make limiting plate 16 can the downstream, compress tightly photovoltaic module, thereby the backplate is also difficult for breaking away under long-time the use, the firmness is high, therefore, the clothes hanger is strong in practicability.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A solar cell backboard with a fluorine-containing flame retardant coating comprises a backboard (1), wherein a photovoltaic module is arranged on the backboard (1), and the photovoltaic module sequentially comprises a lower adhesive film (2), a cell piece (3), an upper adhesive film (4) and glass (5); the method is characterized in that: the back plate (1) comprises a surface layer (6), and a plurality of edges are arranged on the upper surface of the surface layer (6); a flame-retardant layer (7) is arranged below the surface layer (6), a sealing plate (8) is arranged below the flame-retardant layer (7), a connecting layer (9) is arranged below the sealing plate (8), an inner wrapping layer (10) is arranged below the connecting layer (9), the inner wrapping layer (10) is U-shaped, and two ends of the inner wrapping layer (10) extend upwards to be connected with the surface layer (6); be equipped with support piece (11) below top layer (6), support piece (11) run through fire-retardant layer (7), closing plate (8), articulamentum (9) in proper order and with interior parcel layer (10) fixed connection, be equipped with fixed plate (12) below interior parcel layer (10), fixed plate (12) side all upwards extends to and can cover photovoltaic module, be equipped with on fixed plate (12) and can be to the spacing limit structure of photovoltaic module.

2. The solar cell backsheet comprising a fluorine flame retardant coating according to claim 1, wherein: the flame-retardant layer (7) adopts a fluorine-containing flame retardant.

3. The back sheet for a solar cell comprising a fluorine-containing flame retardant coating according to claim 1, wherein: the connecting layer (9) is made of an adhesive.

4. The solar cell backsheet comprising a fluorine flame retardant coating according to claim 1, wherein: the supporting piece (11) is made of metal materials, and the upper end and the lower end of the supporting piece are horn-shaped.

5. The solar cell backsheet comprising a fluorine flame retardant coating according to claim 1, wherein: limiting structure includes a plurality of screw hole (13) that are equipped with on fixed plate (12), screw hole (13) female connection has screw rod (14), screw rod (14) upper end is equipped with turn button (15), screw rod (14) lower extreme rotates and is equipped with limiting plate (16).