CN210984740U

CN210984740U - Solar cell module

Info

Publication number: CN210984740U
Application number: CN201922066493.XU
Authority: CN
Inventors: 高月云
Original assignee: Jiangsu Qixin Energy Technology Co ltd
Current assignee: Jiangsu Qixin Energy Technology Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-07-10
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a solar module relates to solar energy power generation technical field, leads to the problem that the absorption light energy efficiency descends for solving current spotlight performance reduction. The plate body comprises backplate, lower EVA glued membrane, battery layer, last EVA glued membrane and glass board, it is equipped with a plurality of concave portions to personally submit the rectangle array on the glass board, glass board lower extreme personally submits the rectangle array and is equipped with a plurality of convex portions, the bottom of backplate is provided with power source, the externally mounted of plate body has the frame, the inside of frame is provided with joint strip, joint strip's below is provided with the mounting panel, joint strip's both sides all are provided with the curb plate, all be provided with the sleeve between frame and the mounting panel and between curb plate and the mounting panel, telescopic internally mounted has the extension rod, and the upper end of extension rod extends to telescopic outside, install reset spring between sleeve and the extension rod.

Description

Solar cell module

Technical Field

The utility model relates to a solar energy power generation technical field specifically is a solar module.

Background

The solar cell module is composed of a high-efficiency single crystal/polycrystal solar cell piece, low-iron super white suede toughened glass, a packaging material, a functional back plate, an interconnection bar, a bus bar, a junction box and an aluminum alloy frame, and the solar cell module (also called a solar cell panel and a 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. The solar energy is converted into electric energy, or the electric energy is sent to a storage battery for storage, or a load is pushed to work.

However, the existing solar cell module is greatly influenced by illumination, when the light is weak, the light condensation effect is reduced, so that the efficiency of absorbing light energy is reduced, and high-efficiency power generation cannot be realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar module to the problem that the light concentration performance that proposes reduces and leads to absorbing light energy efficiency to descend in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a solar cell module comprises a plate body, wherein the plate body comprises a back plate, a lower EVA adhesive film, a cell layer, an upper EVA adhesive film and a glass plate, the lower EVA adhesive film is positioned above the back plate, the cell layer is positioned above the lower EVA adhesive film, the upper EVA adhesive film is positioned above the cell layer, the glass plate is positioned above the upper EVA adhesive film, the upper end of the glass plate is in a rectangular array and is provided with a plurality of concave parts, the lower end of the glass plate is in a rectangular array and is provided with a plurality of convex parts, the bottom of the back plate is provided with a power interface, the outside of the plate body is provided with a frame, the inside of the frame is provided with a sealing rubber strip, the lower part of the sealing rubber strip is provided with an installation plate, the two sides of the sealing rubber strip are provided with side plates, sleeves are arranged between the frame and the installation plate and between the side plates, and, and the upper end of the extension rod extends to the outside of the sleeve, and a return spring is arranged between the sleeve and the extension rod.

Preferably, the diameter of the concave part is gradually reduced from one surface close to the upper end of the plate body to the lower end, and the diameter of the convex part is gradually reduced from one surface close to the lower end of the plate body to the upper EVA adhesive film.

Preferably, the first silicon wafer cell and the second silicon wafer cell are respectively mounted inside the cell layer, a plurality of silicon wafers are mounted on the first silicon wafer cell and the second silicon wafer cell, and the second silicon wafer cell is located above the first silicon wafer cell.

Preferably, the power interface is electrically connected in series with the first silicon wafer and the second silicon wafer.

Preferably, the plate body extends to the inside of the sealing rubber strip, and the plate body is connected with the sealing rubber strip in a sealing manner.

Preferably, mounting panel and joint strip fixed connection, mounting panel and curb plate sliding connection, extension rod and mounting panel fixed connection, sleeve and frame fixed connection, reset spring is located telescopic inside.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be the concave-convex structure with the glass board design, its sensitive surface comprises a plurality of concave surface portions that are the rectangle array and distribute, the one side that the glass board is close to last EVA glued membrane comprises a plurality of convex surface portions that are the rectangle array and distribute, the convex surface portion diameter of its bottom is twenty five millimeters, concave surface portion makes up with convex surface portion and has formed a plurality of spotlight structures, in the use, because concave surface portion's area is greater than the area of plane circle, and then the area of contact illumination improves, the effect of absorbed light energy obtains promoting, and simultaneously, the convex surface portion of bottom can carry out certain gathering to light, make still can gather light in the environment that illumination is more weak, thereby guaranteed the absorption efficiency to light energy.

2. The utility model discloses a be provided with a plurality of first silicon wafer battery pieces and second silicon wafer battery piece respectively in the inside on battery layer, first silicon wafer battery piece and second silicon wafer battery piece are with spaced type overlapping distribution, improve silicon wafer battery's quantity in the limited space of battery layer, and then the power generation area of the silicon wafer battery who has improved.

3. The utility model discloses a be provided with joint strip in the inside of frame, stretch into joint strip's inside with the plate body during installation, and seal it through using sealed glue, avoid inside intaking, while the mounting panel of joint strip below passes through sliding connection with the curb plate, install respectively through the bottom at the frame and inside both sides and prevent expend with heat and contract with cold device, prevent expend with heat and contract with cold device by the sleeve, extension rod and reset spring constitute, when the plate body thermal expansion, extrude the curb plate of both sides and the mounting panel of bottom through joint strip, receive reset spring elastic deformation's influence, the internal contraction, give the expanded space of plate body when keeping its stationary force, thereby the life of plate body has been improved.

Drawings

FIG. 1 is an overall cross-sectional view of the present invention;

fig. 2 is a perspective view of a battery layer of the present invention;

FIG. 3 is a perspective view of a glass plate according to the present invention;

fig. 4 is a schematic view of the internal structure of the frame of the present invention.

In the figure: 1. a plate body; 2. a back plate; 3. an EVA adhesive film is arranged; 4. a battery layer; 5. a first silicon wafer cell; 6. a second silicon wafer cell; 7. applying an EVA adhesive film; 8. a glass plate; 9. a frame; 10. a power interface; 11. a concave surface portion; 12. a convex surface portion; 13. sealing rubber strips; 14. mounting a plate; 15. a side plate; 16. a sleeve; 17. an extension rod; 18. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: a solar cell module comprises a plate body 1, wherein the plate body 1 consists of a back plate 2, a lower EVA (ethylene vinyl acetate) film 3, a cell layer 4, an upper EVA film 7 and a glass plate 8, the lower EVA film 3 is positioned above the back plate 2, the cell layer 4 is positioned above the lower EVA film 3, the upper EVA film 7 is positioned above the cell layer 4, the glass plate 8 is positioned above the upper EVA film 7, the upper end surface of the glass plate 8 is in a rectangular array and is provided with a plurality of concave parts 11, the lower end surface of the glass plate 8 is in a rectangular array and is provided with a plurality of convex parts 12, the bottom of the back plate 2 is provided with a power interface 10, the outer part of the plate body 1 is provided with a frame 9, the inner part of the frame 9 is provided with a sealing rubber strip 13, the lower part of the sealing rubber strip 13 is provided with an installation plate 14, both sides of the sealing rubber strip 13 are provided with side plates, an extension rod 17 is installed inside the sleeve 16, the upper end of the extension rod 17 extends to the outside of the sleeve 16, and a return spring 18 is installed between the sleeve 16 and the extension rod 17.

Further, the diameter of concave part 11 diminishes by the one side lower extreme that is close to plate body 1 upper end gradually, and the diameter of convex part 12 diminishes by the one side EVA glued membrane 7 direction that makes progress that is close to plate body 1 lower extreme gradually, because the area of concave part 11 is greater than the area of plane circle, and then the illumination area of contact improves, and the effect of absorbed light energy obtains promoting, and simultaneously, the convex part 12 of bottom can carry out certain gathering to light for still can gather light in the environment that illumination is more weak.

Further, the first silicon wafer cell 5 and the second silicon wafer cell 6 are respectively installed inside the cell layer 4, the first silicon wafer cell 5 and the second silicon wafer cell 6 are respectively installed with a plurality of silicon wafers, the second silicon wafer cell 6 is located above the first silicon wafer cell 5, the first silicon wafer cell 5 and the second silicon wafer cell 6 are overlapped and distributed in a spaced mode, the number of the silicon wafers is increased in the limited space of the cell layer 4, and the power generation area of the silicon wafers is further increased.

Further, the power interface 10 is electrically connected in series with the first silicon wafer cell 5 and the second silicon wafer cell 6, and contacts the storage battery through the power interface 10 to store the light energy collected by the battery assembly.

Further, plate body 1 extends to joint strip 13's inside, and plate body 1 and joint strip 13 sealing connection, joint strip 13 can seal plate body 1 edge, avoids inside intaking.

Further, mounting panel 14 and joint strip 13 fixed connection,

mounting panel

14 and 15 sliding connection of curb plate,

extension rod

17 and 14 fixed connection of mounting panel, sleeve 16 and frame 9 fixed connection, reset spring 18 is located the inside of sleeve 16, when plate body 1 is heated the inflation, extrude the curb plate 15 of both sides and the mounting panel 14 of bottom through joint strip 13, receive the influence of reset spring 18 elastic deformation, inwards contract, give the expanded space of plate body 1 when keeping its stationary force.

The working principle is as follows: when in use, the glass plate 8 is designed into a concave-convex structure, the light receiving surface of the glass plate is composed of a plurality of concave parts 11 distributed in a rectangular array, the surface of the glass plate 8 close to the upper EVA adhesive film 7 is composed of a plurality of convex parts 12 distributed in a rectangular array, the diameter of the convex part 12 at the bottom of the glass plate is twenty-five millimeters, and the concave parts 11 and the convex parts 12 are combined to form a plurality of light gathering structures, in the using process, as the area of the concave parts 11 is larger than that of a plane circle, the area of contact illumination is improved, the effect of absorbing light energy is improved, meanwhile, the convex parts 12 at the bottom can gather light to a certain extent, so that the light can still be gathered in the environment with weak illumination, the absorption efficiency of the light energy is ensured, meanwhile, the first silicon crystal cell piece 5 and the second silicon cell piece 6 are distributed in an overlapped mode at intervals, the number of the silicon cell pieces is improved in, and then the generating area of the silicon crystal battery that has improved, in addition through be provided with joint strip 13 in the inside of frame 9, stretch into joint strip 13's inside with plate body 1 during the installation, and seal it through using sealed glue, avoid inside intaking, simultaneously, mounting panel 14 and curb plate 15 of joint strip 13 below pass through sliding connection, through installing the device of preventing expend with heat and contract with cold respectively in the bottom of frame 9 and inside both sides, the device of preventing expend with heat and contract with cold is by sleeve 16, extension rod 17 and reset spring 18 are constituteed, when plate body 1 thermal expansion, extrude curb plate 15 of both sides and mounting panel 14 of bottom through joint strip 13, receive reset spring 18 elastic deformation's influence, inwards contract, give the expanded space of plate body 1 when keeping its fixed power.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A solar cell module comprising a plate body (1), characterized in that: the solar cell panel is characterized in that the panel body (1) comprises a back panel (2), a lower EVA adhesive film (3), a battery layer (4), an upper EVA adhesive film (7) and a glass panel (8), the lower EVA adhesive film (3) is positioned above the back panel (2), the battery layer (4) is positioned above the lower EVA adhesive film (3), the upper EVA adhesive film (7) is positioned above the battery layer (4), the glass panel (8) is positioned above the upper EVA adhesive film (7), a rectangular array is arranged at the upper end of the glass panel (8) and provided with a plurality of concave portions (11), a rectangular array is arranged at the lower end of the glass panel (8) and provided with a plurality of convex portions (12), a power supply interface (10) is arranged at the bottom of the back panel (2), a frame (9) is installed outside the panel body (1), a sealing rubber strip (13) is arranged inside the frame (9), and an installation plate (14) is arranged below the sealing rubber strip (, both sides of joint strip (13) all are provided with curb plate (15), all be provided with sleeve (16) between frame (9) and mounting panel (14) and between curb plate (15) and mounting panel (14), and sleeve (16) are provided with a plurality of, the internally mounted of sleeve (16) has extension rod (17), and the upper end of extension rod (17) extends to the outside of sleeve (16), install reset spring (18) between sleeve (16) and extension rod (17).

2. The solar cell module as claimed in claim 1, wherein: the diameter of the concave surface part (11) is gradually reduced from one surface close to the upper end of the plate body (1) to the lower end, and the diameter of the convex surface part (12) is gradually reduced from one surface close to the lower end of the plate body (1) to the upper EVA adhesive film (7).

3. The solar cell module as claimed in claim 1, wherein: the solar cell comprises a cell layer (4), wherein a first silicon wafer cell (5) and a second silicon wafer cell (6) are respectively arranged in the cell layer (4), the first silicon wafer cell (5) and the second silicon wafer cell (6) are respectively provided with a plurality of silicon wafers, and the second silicon wafer cell (6) is positioned above the first silicon wafer cell (5).

4. The solar cell module as claimed in claim 1, wherein: the power interface (10) is electrically connected with the first silicon wafer cell (5) and the second silicon wafer cell (6) in series.

5. The solar cell module as claimed in claim 1, wherein: the plate body (1) extends to the inside of the sealing rubber strip (13), and the plate body (1) is connected with the sealing rubber strip (13) in a sealing mode.

6. The solar cell module as claimed in claim 1, wherein: mounting panel (14) and joint strip (13) fixed connection, mounting panel (14) and curb plate (15) sliding connection, extension rod (17) and mounting panel (14) fixed connection, sleeve (16) and frame (9) fixed connection, reset spring (18) are located the inside of sleeve (16).