CN219678388U

CN219678388U - Photovoltaic module

Info

Publication number: CN219678388U
Application number: CN202320703861.0U
Authority: CN
Inventors: 佘杰; 王禹
Original assignee: Trina Solar Co Ltd
Current assignee: Trina Solar Co Ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-09-12
Anticipated expiration: 2033-04-03

Abstract

The utility model provides a photovoltaic module, which comprises a frame and a photovoltaic component, wherein the photovoltaic component comprises a front light-transmitting piece, a back light-transmitting piece and a photovoltaic cell piece for converting solar energy into electric energy, the front light-transmitting piece is laminated on the front surface of the photovoltaic cell piece, and the back light-transmitting piece is laminated on the back surface of the photovoltaic cell piece; the frame comprises a bearing part and a limiting part, wherein the bearing part is positioned on one side, away from the photovoltaic cell, of the back light-transmitting piece and used for bearing the back light-transmitting piece, the limiting part is positioned on the outer side of the edge of the front light-transmitting piece, the first surface of the limiting part is flush with the surface, away from the photovoltaic cell, of the front light-transmitting piece, and the first surface is the surface, away from the back light-transmitting piece, of the adjacent part of the edge of the front light-transmitting piece, of the limiting part. The photovoltaic module provided by the utility model can reduce the dust accumulation and snow accumulation of the photovoltaic module, so that the possibility of occurrence of a hot spot effect can be reduced, the stability of the generated energy of the photovoltaic module is improved, the manual maintenance can be reduced, and the service life of the photovoltaic module is prolonged.

Description

Photovoltaic module

Technical Field

The utility model relates to the technical field of photovoltaics, in particular to a photovoltaic module.

Background

The prior photovoltaic assembly comprises a photovoltaic component and a frame, wherein the photovoltaic component is arranged on the frame, the photovoltaic component is used for directly converting solar radiation energy into electric energy by utilizing a photovoltaic effect, and the frame is used for supporting the photovoltaic component so as to improve the structural strength of the photovoltaic component and seal the photovoltaic component.

However, the top of the frame of the existing photovoltaic module is higher than the top of the photovoltaic component, the adjacent positions of the top of the photovoltaic component and the top of the frame have height differences, so that the photovoltaic module is installed outdoors, dust accumulation and snow accumulation phenomena exist at the adjacent positions of the top of the photovoltaic component and the top of the frame under the environments of long-term wind sand, rain and snow and the like, the long-time dust accumulation and snow accumulation can possibly cause the hot spot effect of the photovoltaic module, the generating capacity of the photovoltaic module is influenced, the photovoltaic module needs to be manually maintained, the dust accumulation and the snow accumulation are cleaned, and the service life of the photovoltaic module can be possibly influenced.

Disclosure of Invention

The utility model aims at solving at least one of the technical problems in the prior art, and provides a photovoltaic module, which can reduce the dust accumulation and snow accumulation of the photovoltaic module, thereby reducing the possibility of occurrence of hot spot effect, improving the stability of the generated energy of the photovoltaic module, reducing the manual maintenance and prolonging the service life of the photovoltaic module.

The utility model provides a photovoltaic module, which comprises a frame and a photovoltaic component arranged on the frame, wherein the photovoltaic component comprises a photovoltaic cell, a front transparent piece and a back transparent piece, the photovoltaic cell is used for converting solar energy into electric energy, the front transparent piece is arranged on the front surface of the photovoltaic cell in a lamination way, and the back transparent piece is arranged on the back surface of the photovoltaic cell in a lamination way;

the frame comprises a bearing part and a limiting part, wherein the bearing part is positioned on one side, deviating from the photovoltaic cell, of the back light-transmitting piece and is used for bearing the back light-transmitting piece, the limiting part is positioned on the outer side of the edge of the front light-transmitting piece, the first surface of the limiting part is flush with the surface, deviating from the photovoltaic cell, of the front light-transmitting piece, and the first surface is the surface, deviating from the back light-transmitting piece, of the adjacent part of the edge of the front light-transmitting piece, of the limiting part.

Optionally, the spacing portion with the carrier part interval sets up, is formed with accommodation space between the two, back printing opacity spare includes body and extension, the body stacks up and sets up the back of photovoltaic cell piece, the extension sets up at least one side edge of body, and for the edge protrusion of front printing opacity spare, and follow the radial extension of body arrives in the accommodation space.

Optionally, the edge of the bearing part protrudes relative to the edge of the limiting part, and is located at one side of the extending part away from the photovoltaic cell and one side of the body away from the photovoltaic cell.

Optionally, the spacing between the spacing portion and the bearing portion at the position where the accommodating space is close to the photovoltaic component is smaller than the spacing between the spacing portion and the bearing portion at the position where the accommodating space is far away from the photovoltaic component.

Optionally, the limiting portion is in a bending shape, and a portion, close to the photovoltaic component, of the limiting portion is close to the bearing portion relative to a portion, far away from the photovoltaic component, of the limiting portion.

Optionally, the accommodating space has an adhesive therein, and the adhesive is used for bonding the extension part in the accommodating space.

Optionally, the extension part is located in the middle of the accommodating space, and the adhesive is provided between the extension part and the limiting part, between the extension part and the bearing part, and outside the edge of the extension part.

Optionally, the adhesive is provided between the body and the bearing portion, and/or the adhesive is provided between the front transparent member and the limiting portion.

Optionally, the surface of the adhesive between the front transparent member and the limiting portion, which faces away from the back transparent member, is flush with the surface of the front transparent member, which faces away from the photovoltaic cell.

Optionally, the frame further includes a first supporting portion, a second supporting portion and a third supporting portion, one end of the first supporting portion is connected with the limiting portion, the other end of the first supporting portion is connected with the third supporting portion, the middle portion of the first supporting portion is connected with the bearing portion, one end of the second supporting portion is connected with the bearing portion, the other end of the second supporting portion is connected with the third supporting portion, and the first supporting portion, the second supporting portion and the third supporting portion support the bearing portion and the limiting portion together.

The utility model has the following beneficial effects:

according to the photovoltaic module, the limiting part is arranged on the outer side of the edge of the front transparent part, the first surface of the limiting part is flush with the surface, away from the photovoltaic cell, of the front transparent part, wherein the first surface is the surface, away from the back transparent part, of the adjacent part of the edge of the front transparent part, of the limiting part, so that dust and snow on the edge of the front transparent part can be reduced in long-term wind, sand, rain, snow and other environments of the photovoltaic module, dust and snow on the edge of the front transparent part can be reduced, the probability of occurrence of hot spot effect can be reduced, the stability of the generated energy of the photovoltaic module can be improved, manual maintenance can be reduced, and the service life of the photovoltaic module can be prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a photovoltaic module according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a frame of a photovoltaic module according to an embodiment of the present utility model;

reference numerals illustrate:

1-a frame; 11-a carrier; 12-a limiting part; 13-a first support; 14-a second support; 15-a third support; 21-a photovoltaic cell sheet; 22-a front light-transmitting member; 23-a rear light-transmitting member; 231-body; 232-an extension; 24-front adhesive film layer; 25-back adhesive film layer; 3-an accommodation space; 4-adhesive.

Detailed Description

In order to enable those skilled in the art to better understand the technical scheme of the present utility model, the following describes the photovoltaic module provided by the present utility model in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the embodiment of the utility model provides a photovoltaic module, which comprises a frame 1 and a photovoltaic component mounted on the frame 1, wherein the photovoltaic component comprises a photovoltaic cell 21, a front transparent member 22 and a back transparent member 23, the photovoltaic cell 21 is used for converting solar energy into electric energy, the front transparent member 22 is arranged on the front surface of the photovoltaic cell 21 in a lamination manner, and the back transparent member 23 is arranged on the back surface of the photovoltaic cell 21 in a lamination manner; the frame 1 comprises a bearing part 11 and a limiting part 12, wherein the bearing part 11 is positioned on one side of the back light-transmitting piece 23, which is far away from the photovoltaic cell piece 21, and is used for bearing the back light-transmitting piece 23, the limiting part 12 is positioned on the outer side of the edge of the front light-transmitting piece 22, the first surface of the limiting part 12 is flush with the surface of the front light-transmitting piece 22, which is far away from the photovoltaic cell piece 21, and the first surface is the surface of the adjacent part of the edge of the limiting part 12, which is far away from the back light-transmitting piece 23, and is adjacent to the edge of the front light-transmitting piece 22.

In practical application, when the photovoltaic component is mounted on the frame 1, the bearing part 11 is located on one side of the back transparent member 23, which is away from the photovoltaic cell 21, so that the back transparent member 23 can be borne by the bearing part 11, and then the photovoltaic component can be borne by the bearing part 11, the limiting part 12 is located on the outer side of the edge of the front transparent member 22, and the first surface of the limiting part 12 is flush with the surface of the front transparent member 22, which is away from the photovoltaic cell 21, wherein the first surface is the surface of the limiting part 12, which is away from the back transparent member 23, of the adjacent part of the edge of the front transparent member 22, that is, the part of the limiting part 12 is adjacent to the edge of the front transparent member 22, and the other part is away from the edge of the front transparent member 22, wherein the surface of the adjacent part of the limiting part 12, which is away from the back transparent member 23, is the first surface, so that the position of the front transparent member 22 can be limited by means of the limiting part 12, and the position of the photovoltaic component can be limited by means of the limiting part 12. When sunlight irradiates the photovoltaic device, the sunlight passes through the front light transmitting member 22 and irradiates the front of the photovoltaic cell 21, thereby converting solar energy into electric energy by means of the photovoltaic cell 21.

According to the photovoltaic module provided by the embodiment of the utility model, the limiting part 12 is positioned on the outer side of the edge of the front transparent member 22, and the first surface of the limiting part 12 is flush with the surface, facing away from the photovoltaic cell 21, of the front transparent member 22, wherein the first surface is the surface, facing away from the back transparent member 23, of the part, adjacent to the edge of the front transparent member 22, of the limiting part 12, so that dust and snow on the edge of the front transparent member 22 can be reduced in long-term windy and snowy environments of the photovoltaic module, dust and snow on the edge of the photovoltaic module can be reduced, the possibility of occurrence of hot spot effect can be reduced, the stability of the generated energy of the photovoltaic module can be improved, manual maintenance can be reduced, and the service life of the photovoltaic module can be prolonged.

Alternatively, the front transmissive member 22 may comprise a front glass.

Alternatively, the rear light-transmitting member 23 may include a rear glass.

Alternatively, the front transmissive member 22 may have a thickness of 1mm to 4mm.

Alternatively, the thickness of the rear light-transmitting member 23 may be 1mm to 4mm.

Alternatively, the thickness of the front light-transmitting member 22 may be the same as or different from the thickness of the rear light-transmitting member 23.

Alternatively, the spacing portion 12 and the edge of the front transparent member 22 may have a first gap therebetween, and the first gap may be greater than 3mm.

Alternatively, the first gap may be 3mm-5mm.

As shown in fig. 1 and 2, in an embodiment of the present utility model, the limiting portion 12 and the carrying portion 11 may be disposed at intervals, and an accommodating space 3 may be formed therebetween, the back light-transmitting member 23 may include a body 231 and an extending portion 232, the body 231 is stacked on the back surface of the photovoltaic cell 21, and the extending portion 232 is disposed at least one side edge of the body 231 and protrudes with respect to an edge of the front light-transmitting member 22 and extends into the accommodating space 3 along a radial direction of the body 231.

That is, the rear light-transmitting member 23 may include two parts, namely, a body 231 and an extension 232, wherein an edge of the body 231 may be flush with an edge of the photovoltaic cell 21 and flush with an edge of the front light-transmitting member 22, the extension 232 is disposed at least one side edge of the body 231 and extends in a radial direction of the body 231 and protrudes with respect to the edge of the photovoltaic cell 21 and protrudes with respect to the edge of the front light-transmitting member 22, and the extension 232 may extend into the receiving space 3.

Thus, when the photovoltaic component is mounted on the frame 1, the extension 232 of the back light-transmitting member 23 may be located in the accommodation space 3 between the limiting portion 12 and the carrying portion 11, that is, the carrying portion 11 may be located on a side of the extension 232 facing away from the photovoltaic cell 21 and the front light-transmitting member 22, and the limiting portion 12 may be located on a side of the extension 232 facing toward the photovoltaic cell 21 and the front light-transmitting member 22, so that the extension 232 of the back light-transmitting member 23 may be carried by the carrying portion 11, the position of the extension 232 of the back light-transmitting member 23 may be limited by the limiting portion 12, the back light-transmitting member 23 may be carried by the carrying portion 11, and the photovoltaic component may be carried by the carrying portion 11, and the position of the photovoltaic component may be limited by the limiting portion 12.

Alternatively, the length of the limiting portion 12 and the length of the extending portion 232 may be the same.

Alternatively, the length of the extension 232 may be 5mm-10mm.

Alternatively, the height of the accommodation space 3 may be 5mm or more larger than the thickness of the rear light-transmitting member 23.

Alternatively, the height of the accommodation space 3 may be 5mm to 8mm greater than the thickness of the rear light-transmitting member 23.

As shown in fig. 1 and 2, in an embodiment of the present utility model, the edge of the bearing portion 11 may protrude with respect to the edge of the limiting portion 12, and be located on the side of the extending portion 232 facing away from the photovoltaic cell 21 and the side of the body 231 facing away from the photovoltaic cell 21.

Through making the edge of carrying part 11 for spacing portion 12 edge protrusion, can make carrying part 11 be located the one side that deviates from photovoltaic cell piece 21 of extension 232 to be located the one side that deviates from photovoltaic cell piece 21 of body 231, thereby can bear extension 232 and body 231 to back printing opacity spare 23 with the help of carrying part 11, can improve carrying part 11 and carry out the stability that bears to back printing opacity spare 23 then, and then can improve carrying part 11 piece and carry out the stability that bears to the photovoltaic part, make carrying part 11 can bear the photovoltaic part that weight is bigger.

However, in the embodiment of the present utility model, the structures of the back light-transmitting member 23 and the carrying portion 11 are not limited thereto. For example, the edge of the back light-transmitting member 23 may be flush with the edge of the front light-transmitting member 22, that is, the back light-transmitting member 23 may include the body 231 without the extending portion 232, so that the carrying portion 11 may be located on the side of the back light-transmitting member 23 facing away from the photovoltaic cell 21 by making the edge of the carrying portion 11 protrude with respect to the edge of the limiting portion 12, so that the back light-transmitting member 23 may be carried by the carrying portion 11, and thus the photovoltaic component may be carried by the carrying portion 11. In addition, when the back light-transmitting member 23 includes the body 231 and the extension portion 232, the edge of the carrying portion 11 may be flush with the edge of the limiting portion 12, that is, the edge of the carrying portion 11 may not protrude relative to the edge of the limiting portion 12, so that the extension portion 232 may still extend into the accommodating space 3, and the carrying portion 11 may be located on a side of the extension portion 232 facing away from the photovoltaic cell 21, so that the back light-transmitting member 23 may be carried by means of the carrying portion 11, and further, the photovoltaic component may be carried by means of the carrying portion 11.

As shown in fig. 1 and 2, in an embodiment of the present utility model, a distance between the limiting portion 12 and the carrying portion 11 at the accommodating space 3 near the photovoltaic component may be smaller than a distance between the limiting portion 12 and the carrying portion 11 at the accommodating space 3 far from the photovoltaic component.

That is, the accommodation space 3 may have two portions near the photovoltaic part and far from the photovoltaic part, wherein at the position of the accommodation space 3 near the photovoltaic part, the spacing portion 12 is spaced apart from the carrying portion 11 less, and at the position of the accommodation space 3 far from the photovoltaic part, the spacing portion 12 is spaced apart from the carrying portion 11 more, so that the space of the portion of the accommodation space 3 near the photovoltaic part can be made smaller, and the space of the portion of the accommodation space 3 far from the photovoltaic part can be made larger.

Such a design is because in practical application, the accommodating space 3 may have an adhesive 4 therein to bond the extension 232 in the accommodating space 3 by the adhesive 4, and by making the space of the portion of the accommodating space 3 close to the photovoltaic component smaller, the space of the portion of the accommodating space 3 away from the photovoltaic component larger, on the one hand, the first surface of the limiting portion 12 may be made flush with the surface of the front light-transmitting member 22 facing away from the photovoltaic cell 21, and on the other hand, the accommodating space 3 may be made to have a space large enough to accommodate enough adhesive 4, so that the stability of bonding of the extension 232 in the accommodating space 3 can be improved, and the adhesive 4 can be reduced from overflowing to the surfaces of the front light-transmitting member 22 and the back light-transmitting member 23 of the photovoltaic component.

As shown in fig. 1 and 2, in an embodiment of the present utility model, the limiting portion 12 may be bent, and a portion of the limiting portion 12 near the photovoltaic component is near the carrying portion 11 relative to a portion of the limiting portion 12 far from the photovoltaic component.

Such design can make spacing portion 12 and the interval of carrying part 11 near photovoltaic part department at accommodation space 3, is less than spacing portion 12 and carrying part 11 and keep away from the interval of photovoltaic part department at accommodation space 3 to can make at accommodation space 3 be close to photovoltaic part department, spacing portion 12 and carrying part 11's interval is less, and at accommodation space 3 keep away from photovoltaic part department, spacing portion 12 and carrying part 11's interval is great, and then can make accommodation space 3 be less near the space of the part of photovoltaic part, and make accommodation space 3 keep away from the space of the part of photovoltaic part great.

In an embodiment of the utility model, the receiving space 3 may have an adhesive 4 therein, the adhesive 4 being used to adhere the extension 232 in the receiving space 3.

The stability of the mounting of the photovoltaic component on the frame 1 can be improved by bonding the extension 232 into the receiving space 3 by means of the adhesive 4.

Alternatively, the adhesive 4 may comprise a silicone gel.

As shown in fig. 1 and 2, in an embodiment of the present utility model, the extension portion 232 may be located in the middle of the accommodating space 3, and the adhesive 4 is disposed between the extension portion 232 and the limiting portion 12, between the extension portion 232 and the carrying portion 11, and outside the edge of the extension portion 232.

The adhesive 4 between the extending portion 232 and the limiting portion 12 can bond the extending portion 232 and the limiting portion 12, and the adhesive 4 between the extending portion 232 and the bearing portion 11 can bond the extending portion 232 and the bearing portion 11, so that the extending portion 232 can be bonded with the limiting portion 12 and the bearing portion 11 respectively, and further the bonding stability of the extending portion 232 can be improved, and the extending portion 232 and the limiting portion 12 can be prevented from being in direct contact, and the extending portion 232 and the bearing portion 11 can be prevented from being damaged by the extending portion 232, the limiting portion 12 and the bearing portion 11.

As shown in fig. 1 and 2, in an embodiment of the present utility model, an adhesive 4 may be disposed between the body 231 and the carrier 11, and/or an adhesive 4 may be disposed between the front transparent member 22 and the limiting portion 12.

By the adhesive 4 between the body 231 and the carrier 11, the body 231 and the carrier 11 can be bonded, so that the bonding stability between the back light transmitting member 23 and the carrier 11 can be improved, and the stability of mounting the photovoltaic device on the frame 1 can be improved.

As shown in fig. 1 and 2, in practical application, the photovoltaic component may further include a front adhesive film layer 24 and a back adhesive film layer 25, where the front adhesive film layer 24 is located between the front surface of the photovoltaic cell 21 and the front transparent member 22, and bonds the front transparent member 22 to the front surface of the photovoltaic cell 21, and the back adhesive film layer 25 is located between the back surface of the photovoltaic cell 21 and the back transparent member 23, and bonds the back transparent member 23 to the back surface of the photovoltaic cell 21. In practical application, when the adhesive 4 is filled into the accommodating space 3, the adhesive 4 flows between the body 231 and the bearing part 11 and between the front transparent member 22 and the limiting part 12 after filling the accommodating space 3, and in the process that the adhesive 4 flows between the front transparent member 22 and the limiting part 12, the adhesive 4 is located outside the edges of the back adhesive film layer 25, the photovoltaic cell piece 21 and the front adhesive film layer 24, so that the edges of the photovoltaic component can be sealed by the adhesive 4 outside the edges of the back adhesive film layer 25, the photovoltaic cell piece 21 and the front adhesive film layer 24 and the adhesive 4 between the body 231 and the bearing part 11, and then the erosion of water vapor to the back adhesive film layer 25 and the front adhesive film layer 24 can be reduced, and further the service life of the photovoltaic component can be prolonged.

Alternatively, the thickness of the adhesive 4 between the front light-transmitting member 22 and the stopper 12 may be greater than 3mm.

Alternatively, the thickness of the adhesive 4 between the front light-transmitting member 22 and the stopper 12 may be 3mm to 5mm.

As shown in fig. 1 and 2, in an embodiment of the present utility model, a surface of the adhesive 4 between the front transparent member 22 and the limiting portion 12 facing away from the back transparent member 23 may be flush with a surface of the front transparent member 22 facing away from the photovoltaic cell 21.

On the one hand, the adhesive 4 can be prevented from being positioned on the surface, deviating from the photovoltaic cell piece 21, of the front light-transmitting piece 22, and the adhesive 4 is prevented from shielding the front light-transmitting piece 22, so that the generating capacity of the photovoltaic component can be improved, the service life of the photovoltaic component can be prolonged, and on the other hand, the outer tube of the photovoltaic component can be attractive.

As shown in fig. 1 and 2, in an embodiment of the present utility model, the frame 1 may further include a first supporting portion 13, a second supporting portion 14, and a third supporting portion 15, one end of the first supporting portion 13 is connected to the limiting portion 12, the other end is connected to the third supporting portion 15, a middle portion of the first supporting portion 13 is connected to the bearing portion 11, one end of the second supporting portion 14 is connected to the bearing portion 11, the other end is connected to the third supporting portion 15, and the first supporting portion 13, the second supporting portion 14, and the third supporting portion 15 jointly support the bearing portion 11 and the limiting portion 12.

Specifically, the third supporting portion 15 may be plate-shaped, the first supporting portion 13 may be rod-shaped, the second supporting portion 14 may be rod-shaped, the bearing portion 11 may be plate-shaped, the third supporting portion 15 and the bearing portion 11 may be horizontally spaced and parallel to each other, the first supporting portion 13 may be located at one side of the limiting portion 12, the bearing portion 11 and the third supporting portion 15, the first supporting portion 13, the bearing portion 11 and the limiting portion 12 may form the accommodating space 3, the first supporting portion 13 may be connected with the limiting portion 12, the bearing portion 11 and the first supporting portion 13 from one end to the other end thereof, that is, one end of the first supporting portion 13 is connected with the limiting portion 12, the other end is connected with the third supporting portion 15, the middle portion of the first supporting portion 13 is connected with the bearing portion 11, the second supporting portion 14 may be located at the other side of the bearing portion 11 and the third supporting portion 15, one end of the second supporting portion 14 may be connected with the bearing portion 11, thereby enabling the third supporting portion 15 to be capable of supporting the first supporting portion 13 and the second supporting portion 14, and then enabling the first supporting portion 13 and the first supporting portion 14 to be capable of supporting the first supporting portion 1 and then enabling the first supporting portion 13 to be capable of supporting the first supporting portion 1.

Alternatively, the first supporting part 13 and the rear light-transmitting member 23 may have a second gap therebetween, and the second gap may be greater than 3mm.

Alternatively, the second gap may be 3mm-5mm.

Alternatively, the adhesive 4 may be provided between the first support portion 13 and the rear light-transmitting member 23, and the thickness of the adhesive 4 between the first support portion 13 and the rear light-transmitting member 23 may be greater than 3mm.

Alternatively, the thickness of the adhesive 4 between the first support 13 and the rear light-transmitting member 23 may be 3mm to 5mm.

In summary, the photovoltaic module provided by the embodiment of the utility model can reduce the dust accumulation and snow accumulation of the photovoltaic module, thereby reducing the possibility of occurrence of hot spot effect, improving the stability of the generated energy of the photovoltaic module, reducing the manual maintenance and prolonging the service life of the photovoltaic module.

It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.

Claims

1. The photovoltaic component is characterized by comprising a frame and a photovoltaic component arranged on the frame, wherein the photovoltaic component comprises a photovoltaic cell, a front light-transmitting piece and a back light-transmitting piece, the photovoltaic cell is used for converting solar energy into electric energy, the front light-transmitting piece is arranged on the front side of the photovoltaic cell in a stacked manner, and the back light-transmitting piece is arranged on the back side of the photovoltaic cell in a stacked manner;

2. The photovoltaic module according to claim 1, wherein the limiting portion and the carrying portion are disposed at intervals, a receiving space is formed therebetween, the back light-transmitting member includes a body and an extending portion, the body is disposed on the back surface of the photovoltaic cell in a stacked manner, and the extending portion is disposed on at least one side edge of the body, protrudes with respect to an edge of the front light-transmitting member, and extends into the receiving space in a radial direction of the body.

3. The photovoltaic module of claim 2, wherein an edge of the carrier portion protrudes relative to an edge of the limit portion on a side of the extension portion facing away from the photovoltaic cell and on a side of the body facing away from the photovoltaic cell.

4. The photovoltaic assembly according to claim 2, wherein a spacing between the spacing portion and the carrier portion at a location of the accommodation space proximate to the photovoltaic component is less than a spacing between the spacing portion and the carrier portion at a location of the accommodation space distal to the photovoltaic component.

5. The photovoltaic module according to claim 4, wherein the limit portion is bent, and a portion of the limit portion adjacent to the photovoltaic member is adjacent to the carrier portion with respect to a portion of the limit portion remote from the photovoltaic member.

6. The photovoltaic module of claim 2, wherein the receiving space has an adhesive therein for bonding the extension into the receiving space.

7. The photovoltaic module of claim 6, wherein the extension is located in a middle portion of the accommodation space, and the adhesive is provided between the extension and the limiting portion, between the extension and the carrying portion, and outside an edge of the extension.

8. The photovoltaic module of claim 6, wherein the adhesive is provided between the body and the carrier portion, and/or the adhesive is provided between the front light transmissive member and the stopper portion.

9. The photovoltaic module of claim 8, wherein a surface of the adhesive between the front side light transmissive member and the limit portion facing away from the back side light transmissive member is flush with a surface of the front side light transmissive member facing away from the photovoltaic cell.

10. The photovoltaic module according to claim 1, wherein the frame further comprises a first supporting portion, a second supporting portion, and a third supporting portion, one end of the first supporting portion is connected to the limiting portion, the other end is connected to the third supporting portion, a middle portion of the first supporting portion is connected to the bearing portion, one end of the second supporting portion is connected to the bearing portion, the other end is connected to the third supporting portion, and the first supporting portion, the second supporting portion, and the third supporting portion support the bearing portion and the limiting portion together.