CN218734094U

CN218734094U - Photovoltaic module

Info

Publication number: CN218734094U
Application number: CN202222620581.1U
Authority: CN
Inventors: 黄宏伟; 张舒; 王乐
Original assignee: Trina Solar Co Ltd
Current assignee: Trina Solar Changzhou Technology Co ltd; Trina Solar Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-03-24
Anticipated expiration: 2032-09-30

Abstract

The application relates to a photovoltaic assembly, relates to the photovoltaic field, and comprises a laminated board and a frame; the frame comprises an upper frame and a lower frame, and the upper frame is fixedly connected with the laminated board; the upper frame and the lower frame are connected in an inserting mode along a first direction, and the first direction is along the thickness direction of the laminated board. This application has the effect of the photovoltaic module transportation transport of being convenient for.

Description

Photovoltaic module

Technical Field

The application relates to the photovoltaic field, in particular to a photovoltaic module.

Background

The photovoltaic module is a device which connects a plurality of single batteries in series and parallel and then seals the single batteries into a whole to convert solar energy into electric energy. Common photovoltaic modules are generally flat-plate type packaging structures. The uppermost layer of the photovoltaic module is a low-iron high-transmittance toughened glass plate which has the functions of enabling light rays to penetrate through and irradiate the solar cell and fixing and supporting the solar cell.

The photovoltaic module technology is rapidly developed, the photovoltaic module is more and more widely applied, and with the development of the photovoltaic module technology, the size and the weight of a single photovoltaic module become larger and heavier.

The transportation difficulty of the photovoltaic module after the photovoltaic module becomes large and heavy is relatively increased.

SUMMERY OF THE UTILITY MODEL

The application provides a photovoltaic module, has the effect that reduces the photovoltaic module transportation degree of difficulty, the photovoltaic module transportation of being convenient for.

The application provides a photovoltaic assembly, which comprises a laminated board and a frame; the frame comprises an upper frame and a lower frame, and the upper frame is fixedly connected with the laminated board; the upper frame and the lower frame are connected in an inserting mode along a first direction, and the first direction is along the thickness direction of the laminated board.

In the technical scheme, when the photovoltaic module is conveyed, the laminated board, the upper frame and the lower frame are respectively conveyed, and compared with the method for directly conveying the laminated board and the whole frame, the weight of the laminated board and the upper frame is reduced, and the photovoltaic module with larger specification or weight can be more conveniently conveyed; when the laminated board in the photovoltaic module is damaged, only the laminated board and the upper frame need to be replaced, the frame is kept, and the use and installation work of the lower frame are reduced.

Drawings

FIG. 1 is a schematic diagram of an embodiment of a top frame and a bottom frame that are inserted together;

FIG. 2 is a schematic diagram of the structure of the laminate and the upper bezel in one embodiment;

FIG. 3 is a schematic diagram of a lower bezel in one embodiment;

FIG. 4 is a schematic diagram of a front view of a lower frame according to an embodiment;

FIG. 5 is a schematic structural view of two lower frames attached to a cross member in one embodiment;

FIG. 6 is a schematic structural view of a fixed end plate according to an embodiment;

FIG. 7 is a schematic diagram of an embodiment of a set of fastening ends connecting a plurality of laminates and an upper frame.

1. A laminate; 2. a frame; 21. an upper frame; 211. inserting grooves; 22. a lower frame; 221. a plug-in part; 222. a bearing part; 223. a fixed part; 3. a cross beam; 4. a pressing member; 5. a buffer member; 6. and fixing the end plate.

Detailed Description

The present application is described in further detail below with reference to the figures and examples. The features and advantages of the present application will become more apparent from the description.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

In addition, the technical features described below in the different embodiments of the present application may be combined with each other as long as they do not conflict with each other.

The embodiment of the application discloses a photovoltaic module. Referring to fig. 1, a photovoltaic module includes a laminate 1 and a frame 2.

In this embodiment, the laminated board 1 includes a battery piece, a cover plate and a back plate, the battery piece is located between the cover plate and the back plate, the cover plate is located on one side of the battery piece facing the sun, the back plate is located on one side of the battery facing the ground, the cover plate is a tempered glass plate, and the back plate can be a tempered glass plate, a metal plate or a polymer material composite plate. Sunlight irradiates the cell after passing through the cover plate, and the cell generates current after being irradiated.

The frame 2 is arranged on the outer side of the periphery of the laminated board 1, specifically, the frame 2 is fixed on the outer side of the periphery of the cover board and the back board, and fixes the cover board and the back board, and simultaneously clamps the battery piece between the cover board and the back board.

When the solar cell panel is used, the frame 2 is fixed, the laminated board 1 is fixed, and light rays penetrate through the cover plate and irradiate the cell to generate electricity.

Referring to fig. 1, the frame 2 includes an upper frame 21 and a lower frame 22, the upper frame 21 is fixedly connected to the laminated board 1, and the lower frame 22 and the upper frame 21 are separable from or connectable to each other.

Specifically, the upper frame 21 is a square section, a connecting groove for accommodating the laminated board 1 to be inserted is formed in one side of the upper frame 21, the connecting groove is embedded in one side of the laminated board 1, the cover board and the back board are connected in a pressing mode in the thickness direction through the upper frame 21, and the laminated board 1 moves or is fixed along with the upper frame 21. It should be noted that the structure of the upper frame 21 may be other structures, such as rectangle and ellipse, or other forming methods, such as welding and bending, according to design requirements.

When the photovoltaic module needs to be fixed, the lower frame 22 is fixed, the upper frame 21 is connected with the lower frame 22, the upper frame 21 is fixed, the frame 2 is fixed, and the laminated board 1 is stable when used.

During transportation, the upper frame 21 and the lower frame 22 are separated from each other, and the upper frame 21 and the lower frame 22 are respectively transported or fixed; the upper frame 21 fixed with the laminated board 1 is conveyed or fixed, and compared with the mode that the laminated board 1 is fixed with the frame 2, the weight of the lower frame 22 is reduced when the laminated board 1 is conveyed, and the photovoltaic module is convenient to convey.

In the use process of the photovoltaic module, when the laminated board 1 is damaged, the upper frame 21 is taken down from the lower frame 22, only the laminated board 1 and the upper frame 21 need to be scrapped, the lower frame 22 can be reserved, and the maintenance cost is reduced.

Referring to fig. 1, the upper frame 21 and the lower frame 22 are inserted and connected in a first direction along the thickness direction of the laminated board 1, which is denoted as a z-direction in the drawing.

When the photovoltaic module is fixed, the lower frame 22 is fixed, the upper frame 21 is moved along the first direction, the upper frame 21 is connected with the lower frame 22 in an inserting mode, and the inserting direction is the thickness direction of the laminated board 1, so that the laminated board 1 can be conveniently moved and installed; after the upper frame 21 and the lower frame 22 are spliced, the upper frame 21 can be kept connected with the lower frame 22 by means of the gravity of the upper frame 21 and the laminated board 1, and the photovoltaic module is fixed.

Referring to fig. 2, as an alternative, the upper frame 21 is provided with an insertion groove 211, the insertion groove 211 is an elongated groove arranged along a third direction, the third direction is a length direction of the upper frame 21, the third direction is perpendicular to the first direction, and the third direction is denoted as an x direction in the drawing. In this embodiment, the insertion connection between the upper frame 21 and the lower frame 22 is described by taking the insertion groove 211 provided on the upper frame 21 as an example.

Inserting groove 211 sets up in the side of last frame 21, and inserting groove 211 place side is adjacent with the spread groove place side, and the interval sets up in last frame 21 between inserting groove 211 and the spread groove.

The upper frame 21 is provided with the insertion groove 211, so that the weight of the upper frame 21 can be further reduced, and the lighter the upper frame 21 is, the more convenient the upper frame 21 and the laminated board 1 can be conveyed.

Referring to fig. 3, the lower frame 22 includes a plug portion 221 and a fixing portion 223, the plug portion 221 is fixedly connected to the fixing portion 223, and the plug portion 221 is connected to the plug groove 211 in a plug manner along a first direction. In this embodiment, the fixing portion 223 is fixed using a fastener, which is a bolt.

The fixing portion 223 is fixed by a fastener, so that the lower frame 22 is fixed, and then the inserting groove 211 of the upper frame 21 corresponds to the fixing portion 223 and moves along the first direction, so that the fixing portion 223 is inserted into the inserting groove 211, and the inserting connection between the upper frame 21 and the lower frame 22 is realized.

In the present embodiment, the cross section formed by the fixing portion 223 and the inserting portion 221 is L-shaped, and the fixing portion 223 is located right below the laminated board 1. The structure of the fixing portion 223 and the inserting portion 221 is selected according to design requirements, and in another embodiment, the fixing portion 223 is located below the laminated board 1 and located on the outer side of the inserting portion 221 facing away from the laminated board 1. In another embodiment, the cross section of the fixing portion 223 and the insertion portion 221 is T-shaped, and a part of the fixing portion 223 is located right below the laminated board 1, and a part of the fixing portion 223 is located below the laminated board 1 and located on the outer side of the insertion portion 221 facing away from the laminated board 1.

In another embodiment, the lower frame 22 is provided with a slot, the slot is disposed on the upper surface of the lower frame 22, and the upper frame 21 is fixedly provided with a strip, and the strip is connected with the slot in an inserting manner. The upper frame 21 moves along the first direction, so that the inserting strips are inserted into the inserting slots, and the inserting connection of the upper frame 21 and the upper frame 21 is realized.

Referring to fig. 2, in the present embodiment, two ends of the insertion groove 211 respectively penetrate two ends of the upper frame 21 along the third direction. In another embodiment, the insertion groove 211 may have a suitable length along the third direction according to design requirements, for example, the length of the insertion groove 211 is half of the length of the upper frame 21, and only one end of the insertion groove 211 in the length direction penetrates through one end of the upper frame 21 along the third direction. In another embodiment, the insertion groove 211 may be a plurality of long grooves spaced along the third direction, and at this time, gaps are disposed at corresponding positions between the insertion portion 221 and two adjacent long grooves.

The cross section of the insertion groove 211 can be determined according to design requirements, a dovetail groove shape, a right trapezoid shape or other shapes can be selected, and the requirement that the width of the long groove notch is larger than or equal to the width of the long groove inner cavity is met so that the upper frame 21 and the lower frame 22 can be conveniently connected in an insertion mode along the first direction. It should be noted that, when the upper frame 21 can be rigidly deformed and the long groove opening can accommodate the fixing portion 223 to pass through after being rigidly deformed, the width of the long groove opening can still be considered to be equal to the width of the long groove inner cavity.

In this embodiment, the insertion groove 211 adopts an elongated slot structure, and has a simple form, which is convenient for processing and forming the insertion groove 211, and for inserting and connecting the upper frame 21 and the lower frame 22; the force applied to the insertion groove 211 of the long groove structure is relatively uniform, and the acting force between the upper frame 21 and the lower frame 22 can be uniformly transmitted to the insertion part 221.

Referring to fig. 3, the length of the insertion part 221 in the third direction is equal to the length of the fixing part 223 in the third direction.

The fixing portion 223 and the inserting portion 221 are equal in length along the third direction, so that the lower frame 22 can be machined and formed at one time during production, and the number of operations for machining the inserting portion 221 is reduced. On the other hand, compared with the case that the plug part 221 is shorter than the fixing part 223, in this embodiment, the fixing part 223 and the plug part 221 have the same length along the third direction, the connection area between the plug part 221 and the fixing part 223 is relatively large, and the deformation resistance of the plug part 221 can be improved.

Referring to fig. 1, as an alternative, the lower frame 22 is inserted with an upper frame 21. A lower frame 22 is correspondingly inserted with an upper frame 21. The upper frame 21 and the lower frame 22 are correspondingly connected one by one, so that the upper frame 21 and the lower frame 22 can be conveniently processed and transported in a matched manner.

In another embodiment, the lower frame 22 is correspondingly inserted with a plurality of upper frames 21, and the plurality of upper frames 21 are arranged at intervals along the third direction. Specifically, one lower frame 22 connects two upper frames 21 arranged in the third direction at the same time. In other embodiments, one lower frame 22 is connected to three upper frames 21 at the same time, or one lower frame 22 is completely connected to two upper frames 21 and is connected to one half of the other upper frame 21, and the specific connection number is determined according to design requirements.

One lower frame 22 is connected with a plurality of upper frames 21, so that the installation number of the lower frames 22 can be reduced, and the lower frames 22 can be conveniently installed and positioned when being fixed.

Referring to fig. 1, the lower frames 22 are disposed at intervals along a second direction, which is a width direction of the lower frames 22, the second direction being perpendicular to the third direction, the second direction being perpendicular to the first direction, and the second direction being represented as a y direction in the drawing.

Along the second direction, the both sides of lamination board 1 symmetry respectively set up last frame 21, and lower frame 22 sets up with last frame 21 one-to-one.

In the present embodiment, the frame 2 further includes upper frames 21 symmetrically disposed at both sides of the laminate 1 in the third direction. The frame 2 includes four lower frames 22, and the four lower frames 22 are respectively disposed in one-to-one correspondence with the four upper frames 21 on the four sides of the laminate 1. In another embodiment, the frame 2 further includes profile bars located on two sides of the laminated board 1 along the third direction, the profile bars are of a conventional profile bar structure fixed to the laminated board 1, and at this time, the frame 2 includes two lower frames 22, and the two lower frames 22 are respectively arranged in one-to-one correspondence with the two upper frames 21 on two sides of the laminated board 1 along the second direction.

In this embodiment, two ends of the laminated board 1 along the second direction are respectively provided with an upper frame 21, and a lower frame 22 is respectively inserted and connected to the two upper frames 21. In another embodiment, an upper frame 21 and a lower frame 22 are arranged at one end of the laminated board 1 in the width direction, and the lower frame is connected with the upper frame 21 in an inserting manner; the other end of the laminate 1 in the second direction is provided with a frame 2 of a conventional profile construction.

In order to reduce the transportation quality of the laminated board 1, the four sides of the laminated board 1 are provided with the upper frames 21, and each upper frame 21 corresponds to one lower frame 22 for plug-in connection, in the embodiment, at least one side of the four sides of the laminated board 1 uses the connection structure of the upper frames 21 and the lower frames 22.

Referring to fig. 5, the photovoltaic module further includes a fixed beam 3, and at least two lower frames 22 spaced apart from each other along the second direction are fixed to the same beam 3.

Specifically, the cross beam 3 is a channel steel, two lower frames 22 corresponding to the two upper frames 21 at the two ends of the same laminated board 1 in the second direction are fixed on the same cross beam 3, and the same cross beam 3 only fixes the lower frames 22 on the same laminated board 1.

In another embodiment, the lower frames 22 corresponding to the plurality of laminated boards 1 arranged in the second direction are fixed to the same cross member 3. In another embodiment, two lower frames 22 at both ends of the same laminate board 1 in the second direction and one lower frame 22 at one end of the other laminate board 1 in the second direction are fixed to the same cross member 3.

The beam 3 is fixed on a roof or a purline, the lower frames 22 are positioned and then fixed on the beam 3 by fasteners, and the upper frame 21 fixed with the laminated board 1 is connected with the lower frames 22 in an inserting manner, so that the whole fixed connection of the photovoltaic module is realized.

Referring to fig. 5, as an alternative, the photovoltaic module further includes a pressing member 4, and the pressing member 4 is fixedly connected to the cross beam 3 and is configured to press the upper frame 21 against the lower frame 22.

Specifically, the pressing part 4 is detachably and fixedly connected with the cross beam 3 by using a fastener, the upper frame 21 is inserted into the lower frame 22, the pressing part 4 is connected with the cross beam 3, and the pressing part 4 and the upper frame 21 are pressed.

The pressing member 4 is a Z-shaped structure in this embodiment, one end of the pressing member 4 contacts and presses against the upper surface of the upper frame 21, which is opposite to the lower frame 22, and the other end is fixedly connected to the cross beam 3 by a fastener. The shape of the pressing piece 4 can be selected according to design requirements, and in other embodiments, the pressing piece is T-shaped or U-shaped.

The pressing piece 4 is used for pressing the upper frame 21, the upper frame 21 is further pressed with the lower frame 22, and the stability of connection between the upper frame 21 and the lower frame 22 is improved.

As an alternative, the upper surface of the cross beam 3 is provided with notches for respectively accommodating the fixing portions 223 and the pressing members 4 for connecting with the cross beam 3, and after the fixing portions 223 and the pressing members 4 are connected with the cross beam 3, the upper surface of the cross beam 3 is kept flat.

Referring to fig. 4, as an alternative, the lower frame 22 further includes a support portion 222, the support portion 222 is fixed to the fixing portion 223, and the support portion 222 supports the upper frame 21 along the first direction.

In this embodiment, the supporting portion 222 is a long strip with a rectangular cross section, the supporting portion 222 is located in an L-shaped opening surrounded by the fixing portion 223 and the inserting portion 221, the cross section of the supporting portion 222 is square, and the supporting portion 222, the fixing portion 223 and the inserting portion 221 are integrally formed.

In another embodiment, the supporting portion 222 is an L-shaped structure with an opening facing the fixing portion 223 and the inserting portion 221. The supporting portion 222 is in pressing contact with the lower surface of the upper frame 21 along the upper surface of the first direction opposite to the fixing portion 223, and the supporting portion 222 supports the upper frame 21.

After the upper frame 21 and the lower frame 22 are inserted and connected, the upper surface of the supporting portion 222 is in contact with the lower surface of the upper frame 21 in a pressing manner, the supporting portion 222 supports the upper frame 21, and the inserting portion 221 limits relative movement between the upper frame 21 and the lower frame 22 in the width direction of the laminated board 1. The support part 222 connects the insertion part 221 and the fixing part 223, thereby improving the connection strength between the fixing part 223 and the insertion part 221 and reducing the deformation of the insertion part 221 in the width direction of the laminated board 1. The support portion 222 supports the upper frame 21, and bears the gravity of the upper frame 21 and the laminated board 1, thereby reducing the pressure between the upper frame 21 and the insertion portion 221.

Referring to fig. 1, in another embodiment, a buffer 5 is disposed between the upper frame 21 and the laminated board 1, the buffer 5 is a rubber strip with a C-shaped cross section, an inner side of the buffer 5 is pressed against a side surface and two surfaces of the thickness of the laminated board 1, and the buffer 5 extends into the connecting groove and abuts against an inner side surface of the connecting groove.

On one hand, the buffer 5 slows down the impact vibration between the laminated board 1 and the upper frame 21 and reduces the occurrence of the damage condition of the joint of the upper frame 21 and the laminated board 1; on the other hand, the pressing effect of the upper frame 21 on the laminated board 1 can be kept, and the stable connection between the laminated board 1 and the upper frame 21 is kept.

Referring to fig. 6, as an alternative, the photovoltaic module further includes a fixing assembly for transporting the upper frame 21 and the laminated board 1, the fixing assembly includes a fixing end plate 6, and a plurality of fixing grooves 61 for bearing the upper frame 21 are formed in the fixing end plate 6.

Referring to fig. 7, specifically, the fixed end plates 6 are arranged two by two as a group, two fixed end plates 6 of the group of fixed end plates 6 are respectively located at two ends of the laminated plate 1 in the second direction, and the group of fixed end plates 6 connects the plurality of laminated plates 1. The fixed end plate 6 is in this embodiment made of a shock absorbing foam having a certain strength.

The fixing grooves 61 are disposed on one side of the fixing end plate 6, the fixing grooves 61 are spaced apart in a length direction of the fixing end plate 6, and a width of the fixing grooves 61 is equal to a thickness of the upper frame 21 in the first direction.

When the laminated board 1 and the upper frames 21 are transported using the fixed end plates 6, the sides of the two fixed end plates 6 on which the fixing grooves 61 are provided are placed to face each other, the two upper frames 21 at both ends of the same laminated board 1 are inserted into the fixing grooves 61 of the two fixed end plates 6 facing each other, and the upper frames 21 of the plurality of laminated boards 1 are sequentially inserted into the corresponding fixing grooves 61, thereby fixing the plurality of laminated boards 1.

In this embodiment, the fixing assembly further comprises a flexible member, the flexible member passes through the insertion slot 211, and both ends of the flexible member are fixedly connected with the fixing end plate 6, and the flexible member is not shown in the drawings.

Specifically, the flexible members are cords, and two upper frames 21 of the laminated board 1 along the second direction are respectively fixed to the fixed end plate 6 through one flexible member.

In another embodiment, the fixing assembly further comprises a tray, two ends of the flexible member are fixedly connected with the tray, and the same set of fixing end plates 6 are fixed on the same tray.

And a wire rope penetrates through the insertion groove 211, and the two ends of the wire harness are fixed on the fixed end plate 6, so that the upper frame 21 and the fixed end plate 6 are further fixed. When a plurality of laminated boards 1 and the upper frame 21 need to be sequentially dismounted from the fixed end plate 6, the corresponding cords on the laminated board 1 to be dismounted are unfastened, and other upper frames 21 are still stably connected with the fixed end plate 6 through the cords, so that the risk of toppling over the laminated board 1 is reduced, and the upper frame 21 is convenient to dismount.

In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on operational states of the present application, and are only used for convenience in describing and simplifying the present application, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly unless otherwise explicitly stated or limited. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

The present application has been described above with reference to preferred embodiments, but these embodiments are merely exemplary and merely illustrative. On the basis of the above, the present application can be subjected to various substitutions and improvements, and the substitutions and the improvements are all within the protection scope of the present application.

Claims

1. A photovoltaic module is characterized by comprising a laminated board and a frame;

the frame comprises an upper frame and a lower frame, and the upper frame is fixedly connected with the laminated board;

the upper frame and the lower frame are connected in an inserting mode along a first direction, and the first direction is along the thickness direction of the laminated board.

2. The photovoltaic module according to claim 1, wherein the upper frame is provided with an insertion groove;

the lower frame comprises an inserting part and a fixing part, the inserting part is fixedly connected with the fixing part, and the inserting part is connected with the inserting groove in an inserting mode along the first direction.

3. The photovoltaic module of claim 2, wherein the insertion groove is an elongated groove arranged along a third direction, and the third direction is a length direction of the upper frame;

the length of the inserting part along the third direction is equal to the length of the fixing part along the third direction.

4. The photovoltaic module according to claim 3, wherein the lower frame is correspondingly inserted with one of the upper frames;

or the lower frame is correspondingly inserted with a plurality of upper frames, and the upper frames are arranged at intervals along the third direction.

5. The photovoltaic module according to any one of claims 1 to 4, further comprising a plurality of fixedly disposed cross beams, wherein the lower frame is disposed at intervals along a second direction, the second direction is a width direction of the lower frame, and at least two lower frames disposed at intervals along the second direction are fixed to the same cross beam.

6. The photovoltaic module according to claim 5, further comprising a pressing member, wherein the pressing member is fixedly connected to the cross member and configured to press the upper frame against the lower frame.

7. The photovoltaic module of claim 2, wherein the lower frame further comprises a support portion, the support portion being fixed to the fixing portion, the support portion supporting the upper frame along the first direction.

8. The photovoltaic module of claim 1, wherein a buffer is disposed between the upper rim and the laminate.

9. The photovoltaic module according to claim 1, further comprising a fixing assembly for transporting the upper frame and the laminate, wherein the fixing assembly comprises a fixing end plate, and a plurality of fixing grooves for bearing the upper frame are formed in the fixing end plate.

10. The photovoltaic module according to claim 9, wherein the upper frame is provided with an insertion groove which is inserted and matched with the lower frame;

the fixing assembly further comprises a flexible piece, the flexible piece penetrates through the insertion groove, and two ends of the flexible piece are fixedly connected with the fixing end plate.