CN220711421U - Photovoltaic power generation device - Google Patents

Abstract

The present application relates to a photovoltaic power generation device. The photovoltaic power generation device comprises a support, a photovoltaic module and a pressing block, wherein the support is used for supporting the photovoltaic module, the photovoltaic module is placed on the support and comprises a photovoltaic body and a frame which is arranged on the edge of the photovoltaic body in a surrounding mode, and a clamping groove is formed in the frame. The pressing block is connected with the bracket, and at least part of the pressing block is clamped in the clamping groove. Above-mentioned photovoltaic power generation device can firmly fix photovoltaic module on the support, has improved photovoltaic module's installation steadiness, simultaneously, the installation of being convenient for has reduced the work load in the installation engineering, improves installation effectiveness.

Description

Photovoltaic power generation device

Technical Field

The application relates to the technical field of photovoltaic cells, in particular to a photovoltaic power generation device.

Background

As conventional fossil fuels are increasingly consumed, solar energy is undoubtedly the cleanest, most common and most potential alternative energy source among existing sustainable energy sources, and thus photovoltaic power generation plants are increasingly emerging. In the manufacturing process of the photovoltaic power station, the material cost of a bracket, a cable, a combiner box and the like can be obviously reduced by adopting the large-size photovoltaic module, and meanwhile, other invisible cost of manual carrying, installation and the like can be reduced by adopting the large-size photovoltaic module under the same-capacity power station, so that the large-size photovoltaic module is a development trend of a future photovoltaic power station.

At present, in a photovoltaic power station, a photovoltaic module is usually installed on a support through a pressing block, the pressing block is in press fit with an A face of the photovoltaic module, and the pressing block is locked on the support through a connecting bolt, so that the photovoltaic module is pressed on the support from top to bottom. However, when the large-size photovoltaic module is loaded, for example, when the large-size photovoltaic module is loaded by wind pressure or snow pressure, deformation is easier to generate, so that when the photovoltaic module is installed, the accuracy of the A-plane position of the pressing block and the frame is ensured, the contact area of the pressing block and the frame is ensured to be large enough, and the installation stability of the photovoltaic module is ensured. If when the installation, briquetting and frame are inaccurate, photovoltaic module can further reduce with the contact surface of briquetting after the compressive deformation to make photovoltaic module and briquetting break away from easily, and then lead to photovoltaic module to drop, cause economic loss. Therefore, when the conventional pressing block is adopted to mount the photovoltaic module, the pressing block must be manually aligned, the construction requirement is high, the mounting workload is large, the mounting efficiency is low, the fixing effect is unstable, and the photovoltaic module is easy to drop off the frame.

Disclosure of Invention

Accordingly, it is necessary to provide a photovoltaic power generation device in order to solve the problem of how to improve the mounting efficiency and the mounting firmness of the photovoltaic module.

A photovoltaic power generation device, comprising:

a bracket;

the photovoltaic module is arranged on the bracket and comprises a photovoltaic body and a frame which is arranged around the edge of the photovoltaic body, and the frame is provided with a clamping groove; the method comprises the steps of,

the pressing block is connected with the support, and at least part of the pressing block is clamped in the clamping groove.

The technical scheme is further described as follows:

in one embodiment, the number of the photovoltaic modules is at least two, the at least two photovoltaic modules are arranged on the support at intervals, and the two sides of each photovoltaic module are clamped with the pressing blocks.

In one embodiment, the pressing block comprises a body part, at least one end of the body part is convexly provided with a clamping part, the clamping part is arranged in the clamping groove, the clamping groove is provided with two side groove walls which are oppositely arranged, at least one of the side groove walls is provided with a limiting part at the notch of the clamping groove, and the limiting part is used for limiting the clamping part to deviate from the notch of the clamping groove.

In one embodiment, the two ends of the body portion of the pressing block located between two adjacent photovoltaic modules are respectively provided with the clamping portions in a protruding mode, and the two clamping portions are respectively clamped into the clamping grooves of the two adjacent photovoltaic modules.

In one embodiment, along the arrangement direction of the photovoltaic module, one end of the body portion of the foremost pressing block and the foremost pressing block is provided with the clamping portion in a protruding mode, and the other end of the body portion of the foremost pressing block is provided with the abutting portion abutting against the support.

In one embodiment, the frame comprises a first edge and a second edge intersecting the first edge, the clamping groove is formed in the first edge, the clamping groove penetrates through two ends of the first edge, an opening is formed in the second edge, the opening is communicated with the clamping groove, and at least part of the pressing block can enter the clamping groove through the opening.

In one embodiment, the clamping groove is formed on one side of the first edge, which faces away from the photovoltaic body; or, the clamping groove is formed in one side, away from the bracket, of the first edge.

In one embodiment, the support comprises at least two purlines, at least two purlines are arranged at intervals and jointly support the photovoltaic module, and each purline is provided with the pressing block.

In one embodiment, the purline is provided with a chute, the press block is connected to the purline through a connecting assembly, and the connecting assembly has a locking state for locking the press block on the purline and an adjusting state for unlocking the press block so that the press block can move along the chute.

In one embodiment, the connecting assembly comprises a threaded connecting piece and a locking piece, wherein the threaded connecting piece is connected with the pressing block, one end of the threaded connecting piece penetrates through the sliding groove, and the locking piece is limited in the sliding groove and is in threaded connection with the threaded connecting piece.

According to the photovoltaic power generation device, the clamping grooves are formed in the frame of the photovoltaic module, when the photovoltaic module is installed, at least part of the pressing blocks are clamped into the clamping grooves, and then the pressing blocks are connected onto the support, so that the photovoltaic module can be fixedly installed onto the support. Compare in traditional mode that adopts briquetting crimping photovoltaic module, the photovoltaic power generation device of this application passes through the briquetting and cooperates at photovoltaic module's frame joint, when photovoltaic module receives external load such as wind pressure or snow pressure and inwards contracts the deformation, the briquetting still can close connection photovoltaic module's frame to restriction photovoltaic module inwards contracts, avoided photovoltaic module to break away from with the briquetting mutually, so alright firmly fix photovoltaic module on the support, improved photovoltaic module's installation steadiness. Meanwhile, through clamping groove clamping cooperation of the pressing block and the frame, when in installation, the pressing block can be tightly connected with the frame of the photovoltaic module only by directly inserting at least part of the pressing block into the clamping groove, repeated adjustment and alignment are not needed, the installation is convenient, the workload in the installation engineering is reduced, and the installation efficiency is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application.

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Moreover, the figures are not drawn to a 1:1 scale, and the relative sizes of various elements are merely exemplary in the figures, and are not necessarily drawn to true scale. In the drawings:

fig. 1 is a schematic structural diagram of a photovoltaic power generation device according to an embodiment.

Fig. 2 is a front view of the photovoltaic power generation apparatus shown in fig. 1.

Fig. 3 is a partial enlarged view of a portion a shown in fig. 2.

Fig. 4 is a schematic structural view of a first press block according to an embodiment.

Fig. 5 is a partial enlarged view of a portion B shown in fig. 2.

Fig. 6 is a schematic structural diagram of a second press block according to an embodiment.

Fig. 7 is a schematic structural diagram of a photovoltaic module according to an embodiment.

Fig. 8 is a partial enlarged view of a portion D shown in fig. 7.

Fig. 9 is a side view of a first rim of an embodiment.

Fig. 10 is a left side view of the photovoltaic power generation apparatus shown in fig. 1.

Fig. 11 is a partial enlarged view of a portion C shown in fig. 10.

Reference numerals illustrate:

10. a photovoltaic module; 11. a photovoltaic body; 12. a frame; 121. a first edge; 1211. a clamping groove; 1212. a limit part; 1213. a surface B; 1214. a surface; 122. a second edge; 1221. an opening; 20. a bracket; 21. purlin; 211. a chute; 30. briquetting; 301. a first briquette; 302. a second briquetting; 31. a body portion; 32. a clamping part; 33. an abutting portion; 41. a threaded connection; 42. a locking piece.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., these terms refer to the orientation or positional relationship based on the drawings, which are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In this application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

An embodiment of the present application provides a photovoltaic power generation device. Referring specifically to fig. 1 to 3, an embodiment of a photovoltaic power generation apparatus includes a support 20, a photovoltaic module 10, and a pressing block 30, wherein the support 20 is used for supporting the photovoltaic module 10, and the photovoltaic module 10 is placed on the support 20. The photovoltaic module 10 includes a photovoltaic body 11 and a frame 12 surrounding the edge of the photovoltaic body 11, and the frame 12 is provided with a clamping groove 1211. The pressing block 30 is connected with the bracket 20, and at least part of the pressing block 30 is clamped in the clamping groove 1211.

According to the photovoltaic power generation device, the clamping groove 1211 is formed in the frame 12 of the photovoltaic module 10, and when the photovoltaic module 10 is installed, at least part of the pressing block 30 is clamped into the clamping groove 1211, and then the pressing block 30 is connected to the bracket 20, so that the photovoltaic module 10 can be fixedly installed on the bracket 20. Compare in traditional mode that adopts briquetting 30 crimping photovoltaic module 10, this application's photovoltaic power generation device passes through briquetting 30 and frame 12 joint cooperation at photovoltaic module 10, when photovoltaic module 10 receives external load such as wind pressure or snow pressure and inwards contracts the deformation, briquetting 30 still can the zonulae occludens photovoltaic module 10's frame 12 to restrict photovoltaic module 10 inwards shrink, avoided photovoltaic module 10 to break away from mutually with briquetting 30, so alright firmly fix photovoltaic module 10 on support 20, improved photovoltaic module 10's installation steadiness. Meanwhile, through the clamping fit of the pressing block 30 and the clamping groove 1211 of the frame 12, when in installation, the pressing block 30 can be tightly connected with the frame 12 of the photovoltaic module 10 only by directly inserting at least part of the pressing block 30 into the clamping groove 1211, repeated adjustment and alignment are not needed, the installation is convenient, the workload in the installation engineering is reduced, and the installation efficiency is improved.

Referring to fig. 1 and 2, the number of the photovoltaic modules 10 is at least two, and at least two photovoltaic modules 10 are spaced apart on the support 20, thereby improving the power generation efficiency. Further, the two sides of each photovoltaic module 10 are respectively clamped with the pressing blocks 30, and thus the pressing blocks 30 on the two sides are respectively clamped with the side frames 12 of the photovoltaic module 10, so that the clamping limit can be carried out on the photovoltaic module 10 from the two sides of the photovoltaic module 10, the inward shrinkage deformation of the two sides of the photovoltaic module 10 when the photovoltaic module 10 is subjected to a load is avoided, and the installation stability of the photovoltaic module 10 is improved.

Referring to fig. 3 to 6, in an embodiment, the pressing block 30 includes a body 31, at least one end of the body 31 is convexly provided with a clamping portion 32, specifically, the clamping portion 32 protrudes toward a direction forming an angle with the body 31, and the clamping portion 32 is disposed in the clamping groove 1211. Referring to fig. 8 and 9, the clamping groove 1211 has two opposite side groove walls, at least one of the two side groove walls is provided with a limit portion 1212 at the notch of the clamping groove 1211, and the limit portion 1212 is used for limiting the clamping portion 32 from being separated from the notch of the clamping groove 1211. The clamping part 32 of the pressing block 30 is clamped with the limit part 1212 in the clamping groove 1211, so that the clamping part 32 can be effectively prevented from falling out of the clamping groove 1211 when the photovoltaic module 10 is deformed under load, and the connection stability of the pressing block 30 and the photovoltaic module 10 is ensured. It should be noted that the shapes of the clamping portion 32 and the clamping groove 1211 may have various forms, for example, in the present embodiment, the clamping portion 32 is a T-shaped protrusion structure, and the clamping groove 1211 is a T-shaped groove. In other embodiments, the clamping portion 32 may also be an inverted trapezoid protruding structure or an inverted triangle protruding structure, and correspondingly, the shape of the clamping groove 1211 is adapted to the clamping portion 32; the engagement portion 32 is not limited herein as long as the engagement with the engaging groove 1211 is achieved and the disengagement of the engagement portion 32 from the notch of the engaging groove 1211 is avoided.

Further, in the present embodiment, the pressing blocks 30 are divided into two types, one is the first pressing block 301 disposed between two adjacent photovoltaic modules 10, and two ends of the first pressing block 301 are respectively engaged with two adjacent photovoltaic modules 10. The other is a second pressing block 302 located at the forefront end and the extreme end along the arrangement direction of the photovoltaic module 10, one end of the second pressing block 302 is in clamping fit with the photovoltaic module 10, and the other end is in abutting fit with the bracket 20.

Specifically, referring to fig. 3 and 4, in an embodiment, two ends of the body portion 31 of the first pressing block 301 are protruding with the clamping portions 32, and two clamping portions 32 are respectively clamped into the clamping grooves 1211 of two adjacent photovoltaic modules 10. So can fix two adjacent photovoltaic module 10 simultaneously through first briquetting 301, reduce the required briquetting 30 quantity between two adjacent photovoltaic module 10, reduced material cost to can reduce the interval between two adjacent photovoltaic module 10, make photovoltaic module 10 arrange more closely, can arrange more photovoltaic module 10 under the same area, thereby improve photovoltaic power generation facility's generating efficiency.

Referring to fig. 5 and 6, in an embodiment, a clamping portion 32 is protruding at one end of the body portion 31 of the second pressing block 302, and an abutment portion 33 for abutting against the bracket 20 is provided at the other end. Specifically, since only one side of the foremost and endmost press blocks 30 (i.e., the second press block 302) has the photovoltaic modules 10, the corresponding photovoltaic modules 10 can be fixed by protruding the clamping portions 32 at one ends of the body portions 31 of the second press blocks 302 and by clamping the clamping portions 32 with the clamping grooves 1211 of the corresponding photovoltaic modules 10. By arranging the abutting part 33 at the other end of the body part 31, the abutting part 33 is in abutting fit with the bracket 20, so that the balance of the two ends of the second pressing block 302 can be ensured, and the situation that the two ends of the second pressing block 302 are inclined due to unbalanced stress after the second pressing block 302 is locked on the bracket is avoided. Preferably, the abutting portion 33 includes a boss abutting against the bracket 20 and a connecting portion connecting the boss and the body portion 31, and the connecting portion is disposed at right angles to the body portion 31.

Referring to fig. 7 and 8, the frame 12 includes a first edge 121 and a second edge 122 intersecting the first edge 121, the clamping groove 1211 is formed on the first edge 121, the clamping groove 1211 penetrates through two ends of the first edge 121, an opening 1221 is formed on the second edge 122 corresponding to the clamping groove 1211, the opening 1221 is communicated with the clamping groove 1211, and at least part of the pressing block 30 can enter the clamping groove 1211 through the opening 1221. Specifically, in this embodiment, the first edge 121 is a long edge of the frame 12, and the second edge 122 is a short edge of the frame 12, and the long edge of the frame 12 can be engaged with the pressing block 30 by providing the long edge of the frame 12 with the clamping groove 1211, so as to improve the fixing effect of the pressing block 30 on the photovoltaic module 10. Meanwhile, the opening 1221 communicated with the clamping groove 1211 is formed in the short side of the frame 12, so that the clamping part 32 of the pressing block 30 can be placed into the clamping groove 1211 through the opening 1221, the frame 12 is not required to be disassembled, the installation is convenient, and the installation engineering quantity is saved. It will be appreciated that in another embodiment, the first edge 121 may be a short side of the frame 12, and the second edge 122 may be a long side of the frame 12, which is not limited herein.

Referring to fig. 8, in an alternative embodiment, the clamping groove 1211 is formed on a side of the first edge 121 facing away from the photovoltaic body 11, that is, the clamping groove 1211 is formed on the B-surface 1213 of the first edge 121. It should be noted that, in another embodiment, the slot 1211 may be formed on a side of the first edge 121 facing away from the bracket 20, that is, the slot 1211 may be formed on the a-plane 1214 of the first edge, which is not limited herein.

Referring to fig. 1, the bracket 20 includes at least two purlines 21, the at least two purlines 21 are spaced apart and jointly support the photovoltaic module 10, and each purline 21 is provided with a pressing block 30. Preferably, in this embodiment, the support 20 includes two purlins 21, and two purlins 21 are arranged along the length direction interval of the photovoltaic module 10, and each purlin 21 extends along the width direction of the photovoltaic module 10, and each purlin 21 is provided with a pressing block 30 on two sides of the photovoltaic module 10, so that each photovoltaic module 10 can be supported by two purlins 21 and fixed by four pressing blocks 30, and the installation stability is improved.

Referring to fig. 10 and 11, in one embodiment, the purline 21 is provided with a sliding slot 211, and the press block 30 is connected to the purline 21 by a connection assembly having a locking state in which the press block 30 is locked to the purline 21, and an adjustment state in which the lock of the press block 30 is released to enable the press block 30 to move along the sliding slot 211. Specifically, in one embodiment, the connection assembly includes a threaded connection member 41 and a locking member 42, the threaded connection member 41 is connected with the pressing block 30, and one end of the threaded connection member 41 is inserted into the sliding slot 211, and the locking member 42 is limited in the sliding slot 211 and is in threaded connection with the threaded connection member 41. Preferably, the width of the locking member 42 is greater than the width of the notch of the sliding slot 211, so that the locking member 42 can be limited in the sliding slot 211, and the locking member 42 is prevented from falling out of the notch of the sliding slot 211. Thus, when the position of the photovoltaic module 10 needs to be adjusted, the connecting component enters the adjustment state by unscrewing the threaded connecting piece 41, and the pressing block 30 can move along the sliding groove 211 at this time, so that the position of the photovoltaic module 10 on the purline 21 can be adjusted. After the position of the photovoltaic module 10 is determined, the pressing block 30 can be locked on the purline 21 by screwing the threaded connecting piece 41, so that the photovoltaic module 10 is fixed.

The installation method of the photovoltaic power generation device comprises the following steps: the locking piece 42 is preset in the sliding groove 211 of the purlin 21, at least two photovoltaic modules 10 are arranged at intervals along the purlin 21, the clamping part 32 of the pressing block 30 is inserted into the clamping groove 1211 of the first edge 121 from the opening 1221 of the second edge 122 of the frame 12, wherein the first pressing block 301 is arranged between two adjacent photovoltaic modules 10, the clamping parts 32 at the two ends of the first pressing block 301 are respectively clamped into the clamping grooves 1211 of the two adjacent photovoltaic modules 10, and at the moment, the relative displacement of the two adjacent photovoltaic modules 10 along the purlin 21 is limited for subsequent installation. The second press block 302 is disposed outside the first photovoltaic module 10 and outside the last photovoltaic module 10, and the clamping portion 32 of the second press block 302 is clamped with the clamping groove 1211 of the corresponding photovoltaic module 10. Then, the threaded connectors 41 are threaded into the pressing blocks 30 and the locking pieces 42 in a one-to-one correspondence, before the threaded connectors 41 are screwed down, the positions of the pressing blocks 30 and the photovoltaic modules 10 on the purline 21 can be adjusted along the sliding grooves 211, and finally, the threaded connectors 41 are screwed down, so that the photovoltaic modules 10 can be firmly fixed on the purline 21.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples only represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the claims. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims (10)

1. A photovoltaic power generation device, comprising:

a bracket (20);

the photovoltaic module (10), the photovoltaic module (10) is arranged on the bracket (20), the photovoltaic module (10) comprises a photovoltaic body (11) and a frame (12) which is arranged around the edge of the photovoltaic body (11), and the frame (12) is provided with a clamping groove (1211); the method comprises the steps of,

the pressing block (30), the pressing block (30) is connected with the bracket (20), and at least part of the pressing block (30) is clamped in the clamping groove (1211).

2. The photovoltaic power generation device according to claim 1, wherein the number of the photovoltaic modules (10) is at least two, at least two photovoltaic modules (10) are arranged on the support (20) at intervals, and two sides of each photovoltaic module (10) are clamped with the pressing blocks (30).

3. The photovoltaic power generation device according to claim 2, wherein the pressing block (30) comprises a body portion (31), at least one end of the body portion (31) is convexly provided with a clamping portion (32), the clamping portion (32) is arranged in the clamping groove (1211), the clamping groove (1211) is provided with two opposite side groove walls, at least one of the two side groove walls is provided with a limiting portion (1212) at a notch of the clamping groove (1211), and the limiting portion (1212) is used for limiting the clamping portion (32) from falling out of the notch of the clamping groove (1211).

4. A photovoltaic power generation device according to claim 3, wherein the two ends of the body portion (31) of the pressing block (30) located between two adjacent photovoltaic modules (10) are each provided with the clamping portion (32) in a protruding manner, and the two clamping portions (32) are respectively clamped into the clamping grooves (1211) of the two adjacent photovoltaic modules (10).

5. A photovoltaic power generation device according to claim 3, wherein the pressing block (30) located at the forefront end and the body portion (31) of the pressing block (30) located at the extreme end are provided with the engaging portion (32) at one end thereof in a protruding manner, and the abutting portion (33) abutting the bracket (20) is provided at the other end thereof in the direction in which the photovoltaic module (10) is arranged.

6. The photovoltaic power generation device according to claim 1, wherein the frame (12) comprises a first edge (121) and a second edge (122) intersecting the first edge (121), the clamping groove (1211) is formed in the first edge (121), the clamping groove (1211) penetrates through two ends of the first edge (121), the second edge (122) is formed with an opening (1221), the opening (1221) is communicated with the clamping groove (1211), and at least part of the pressing block (30) can enter the clamping groove (1211) through the opening (1221).

7. The photovoltaic power generation device according to claim 6, characterized in that the clamping groove (1211) is open at a side of the first edge (121) facing away from the photovoltaic body (11); or, the clamping groove (1211) is formed on one side of the first edge (121) away from the bracket (20).

8. The photovoltaic power generation device according to claim 1, wherein the bracket (20) comprises at least two purlines (21), the at least two purlines (21) are arranged at intervals and jointly support the photovoltaic module (10), and the pressing blocks (30) are arranged on each purline (21).

9. The photovoltaic power generation device according to claim 8, wherein the purline (21) is provided with a sliding groove (211), the press block (30) is connected to the purline (21) through a connection assembly, the connection assembly has a locking state in which the press block (30) is locked to the purline (21), and an adjustment state in which the lock of the press block (30) is released so that the press block (30) can move along the sliding groove (211).

10. The photovoltaic power generation device according to claim 9, characterized in that the connection assembly comprises a threaded connection member (41) and a locking member (42), the threaded connection member (41) is connected with the pressing block (30), one end of the threaded connection member (41) is arranged in the sliding groove (211) in a penetrating mode, and the locking member (42) is limited in the sliding groove (211) and is in threaded connection with the threaded connection member (41).