CN220798155U - Fixing device for photovoltaic module and photovoltaic power generation device - Google Patents

Abstract

The utility model provides a fixing device for a photovoltaic module and a photovoltaic power generation device. The fixing device comprises: a support beam extending in a first direction; the connecting plate extends along the first direction and is connected to the supporting beam; the pressing plate extends along the first direction, the pressing plate is connected to the connecting plate, the pressing plate, the connecting plate and the supporting beam enclose a limiting structure, and the limiting structure is used for accommodating and limiting the frame of the photovoltaic module. According to the fixing device, the pressing plate, the connecting plate and the supporting beam form a limiting structure, the reliability is improved, meanwhile, the frame damage caused by overlarge local pressure can be avoided, additional parts are not required to be added, the assembly process can be simplified, the working efficiency is improved, and the labor cost is reduced.

Description

Fixing device for photovoltaic module and photovoltaic power generation device

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to a fixing device for a photovoltaic module and a photovoltaic power generation device.

Background

Photovoltaic power generation is a technology that uses the photovoltaic effect of a semiconductor interface to directly convert light energy into electrical energy. Photovoltaic power generation has received much attention from countries around the world and has evolved into an emerging industry. The photovoltaic module is formed by connecting and tightly packaging a plurality of single solar cells in series and parallel, and is a photovoltaic cell combination device which can realize the minimum indivisible photovoltaic power generation.

At present, a photovoltaic module is fixedly installed by a multipurpose bolt and a pressing block. According to the installation and fixation method, a tool is required to be used for screwing the bolt in the installation process, so that the photovoltaic module is pressed on the purline through the pressing block, and the installation and fixation of the photovoltaic module are realized. In addition, in order to facilitate drainage, the diversion trench is also required to be independently arranged at the clearance position of the adjacent photovoltaic modules. Because bolt, briquetting, purlin, guiding gutter are individual part, when the installation, need stepwise installation, lead to the installation loaded down with trivial details, in addition, because the briquetting size is limited, only fixed to photovoltaic module's local frame, this just leads to the reliability decline of connection, if want to improve the reliability, need increase the quantity of briquetting or increase the compressive force of applying on the briquetting, and first mode can make the installation more loaded down with trivial details, reduce installation effectiveness, can greatly increase the installation degree of difficulty, reduce installation effectiveness, lead to the cost of labor great, and the second mode can make frame local pressure too big lead to the deformation, thereby make photovoltaic module damage easily.

Disclosure of Invention

The utility model aims to at least solve the problems of complicated installation process and low installation efficiency caused by more parts of a fixing device for a photovoltaic module in the prior art, and provides a fixing device for the photovoltaic module and a photovoltaic power generation device.

To achieve the object of the present utility model, there is provided a fixing device for a photovoltaic module, comprising: a support beam extending in a first direction; the connecting plate extends along the first direction and is connected to the supporting beam; the pressing plate extends along the first direction, the pressing plate is connected to the connecting plate, the pressing plate, the connecting plate and the supporting beam enclose a limiting structure, and the limiting structure is used for accommodating and limiting the frame of the photovoltaic module.

Further, the support beam, the connecting plate and the pressing plate are of an integrated structure.

Further, the support beam has a supporting surface extending along the first direction, the supporting surface is used for supporting a frame of the photovoltaic module, the pressing plate has a pressing surface extending along the first direction, the pressing surface faces to the supporting surface, the connecting plates are respectively connected to the supporting surface and the pressing surface, and the limiting structure is formed by the supporting surface, the surface of the connecting plates and the pressing surface in a surrounding mode.

Further, the connection plate has a first side and a second side; the connecting plate divides the supporting surface into a first supporting surface and a second supporting surface; the connecting plate separates the pressing surface into a first pressing surface and a second pressing surface; the first supporting surface, the first side surface and the first pressing surface enclose a first limit groove; the second supporting surface, the second side surface and the second pressing surface enclose a second limit groove; the first limit groove and the second limit groove form the limit structure.

Further, an avoidance groove is formed in the supporting surface and located at a position close to the connecting plate.

Further, the platen includes: the pressing sub-board is connected with the connecting plate; and the limiting sub-board is connected to the pressing sub-board and is far away from the connecting plate, and the limiting sub-board extends towards the inside of the limiting structure.

Further, the fixing device further comprises a drainage structure for draining accumulated water along the first direction, and the drainage structure is arranged on the side wall surface of the supporting beam; the drainage structure includes: the first guide plate extends along the first direction and is connected to the side wall surface; the first side plate extends along the first direction, the first side plate is connected to the first guide plate, and the first side plate, the first guide plate and the side wall face form a first guide groove.

Further, the drainage structure further includes: the second guide plate extends along the first direction, is connected to the side wall surface, is positioned close to the supporting surface, and is positioned far away from the supporting surface; the second side plate extends along the first direction and is connected to the second guide plate, and a second guide groove is formed by the second side plate, the second guide plate and part of the side wall surface; orthographic projection of the second diversion trench on the first diversion plate is positioned inside the first diversion trench.

Further, the connection plate includes: the first sub-board is connected to the pressing plate, and the first sub-board and the pressing plate are of an integrated structure; the second daughter board is connected to the supporting beam, the second daughter board and the supporting beam are of an integrated structure, the first daughter board and the second daughter board are detachably connected, and the pressing plate is detachably connected to the supporting beam through the cooperation of the first daughter board and the second daughter board.

Further, one end of the supporting surface, which is far away from the connecting plate, is provided with a limiting protrusion.

According to a second aspect of the present utility model, there is also disclosed a photovoltaic power generation apparatus comprising: a plurality of photovoltaic modules; according to the fixing device for the photovoltaic module, the fixing devices are distributed along the second direction perpendicular to the first direction, an installation space is formed between every two adjacent fixing devices, the photovoltaic module is installed in the installation space, and two side frames parallel to the first direction of the photovoltaic module are respectively accommodated in the limiting structures corresponding to the installation space.

According to the fixing device, the limiting structure is formed by surrounding the pressing plate, the connecting plate and the supporting beam, the connecting plate and the pressing plate are arranged along the first direction, and the limiting structure can accommodate the frame of the photovoltaic module, so that the pressing plate can uniformly apply the pressing force to the frame in the limiting structure, the reliability is improved, meanwhile, the frame damage caused by overlarge local pressure can be avoided, additional components are not required to be added, the assembly process can be simplified, the working efficiency is improved, and the labor cost is reduced.

Drawings

Fig. 1 is a perspective view of a fixing device according to a first embodiment of the present utility model;

FIG. 2 is a schematic structural view of a fixing device according to a first embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a schematic structural diagram of a fixing device according to a second embodiment of the present utility model;

fig. 5 is a diagram illustrating an assembly step of a fixing device and a photovoltaic module according to a second embodiment of the present utility model;

fig. 6 is a second assembly step diagram of the fixing device and the photovoltaic module according to the second embodiment of the present utility model;

fig. 7 is a third assembly step diagram of the fixing device and the photovoltaic module according to the second embodiment of the present utility model;

fig. 8 is a diagram illustrating a step of assembling a fixing device and a photovoltaic module according to a second embodiment of the present utility model;

FIG. 9 is a schematic structural view of a fixing device according to a third embodiment of the present utility model;

fig. 10 is a schematic structural view of a fixing device according to a fourth embodiment of the present utility model;

FIG. 11 is a schematic structural view of a fixing device according to a fifth embodiment of the present utility model;

fig. 12 is a schematic structural view of a fixing device according to a sixth embodiment of the present utility model;

fig. 13 is a schematic structural view of a fixing device according to a seventh embodiment of the present utility model;

fig. 14 is a schematic structural view of a fixing device according to an eighth embodiment of the present utility model;

fig. 15 is a schematic structural view of a fixing device according to a ninth embodiment of the present utility model;

FIG. 16 is a schematic view showing a structure of a fixing device according to a tenth embodiment of the present utility model;

FIG. 17 is a schematic structural view of a fastening device according to an eleventh embodiment of the present utility model;

fig. 18 is a schematic structural diagram of a photovoltaic power generation device according to the first embodiment of the present utility model;

fig. 19 is a schematic diagram illustrating the cooperation of two adjacent fixing devices of the photovoltaic power generation device according to the first embodiment of the present utility model;

FIG. 20 is an enlarged view of a portion B of FIG. 18;

fig. 21 is a partial enlarged view of a portion C of fig. 18;

FIG. 22 is a schematic structural diagram of a drainage groove and a second drainage groove according to a second embodiment of the present utility model;

list of reference numerals:

10. a support beam; 11. a support surface; 111. a first support surface; 112. a second support surface; 113. an avoidance groove; 114. a limit protrusion; 115. a water draining part; 12. a sidewall surface; 13. a bottom surface; 14. reinforcing ribs; 20. a connecting plate; 21. a first side; 22. a second side; 23. a first sub-board; 231. a tenon; 24. a second sub-board; 241. a slot; 242. a through hole; 243. a tongue and groove; 30. a pressing plate; 31. pressing the surface; 311. a first press-fit surface; 312. a second press-fit surface; 32. pressing the sub-board; 33. a limiting sub-board; 40. a limit structure; 41. a first limit groove; 42. the second limit groove; 50. a drainage structure; 51. a first diversion trench; 511. a first deflector;

512. a first side plate; 52. a second diversion trench; 521. a second deflector; 522. a second side plate; 100. a photovoltaic module; 110. a frame; 110a, frame a face; 110B, frame B face; 110C, frame C face; 120. a body; 130. a gap; 200. a fixing device; 300. drainage grooves; 400. mounting a beam; 500. a connecting piece; 501. a hemming structure; 600. and (5) an installation space.

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 fixing device for a photovoltaic module and the photovoltaic power generation device in detail with reference to the accompanying drawings.

As shown in fig. 1, in accordance with an embodiment of the present utility model, there is disclosed a fixing device for a photovoltaic module, comprising: the support beam 10, the connection plate 20, and the pressing plate 30 are all disposed to extend in a first direction, which is the length direction of the support beam 10 in the present embodiment, and the second direction is the width direction of the support beam 10, i.e., the direction perpendicular to the first direction in fig. 1, as shown in fig. 1.

The connecting plate 20 is connected to the supporting beam 10, the pressing plate 30 is connected to the connecting plate 20, the pressing plate 30, the connecting plate 20 and the supporting beam 10 enclose a limiting structure 40, and the limiting structure 40 is used for accommodating the frame 110 of the photovoltaic module 100 and is in limiting fit with the frame 110 of the photovoltaic module 100.

According to the fixing device disclosed by the utility model, the pressing plate 30, the connecting plate 20 and the supporting beam 10 enclose the limiting structure 40, and the supporting beam 10, the connecting plate 20 and the pressing plate 30 are arranged along the first direction, and the limiting structure 40 can accommodate the frame 110 of the photovoltaic module 100, so that the pressing plate 30 can uniformly apply a pressing force to the frame 110 in the limiting structure 40, the reliability is improved, meanwhile, the damage to the frame 110 caused by overlarge local pressure can be avoided, no additional component is required, the assembly process is simplified, the working efficiency is improved, and the labor cost is reduced.

In this embodiment, the support beam 10, the connection plate 20, and the pressing plate 30 are an integrally formed structure. By adopting the integrated structure, the reliability of connection among the support beam 10, the connecting plate 20 and the pressing plate 30 is higher and the service life is longer than that of the split structure. And can directly install photovoltaic module 100 on fixing device during the assembly, compare with prior art, save the process of an assembled supporting beam 10, connecting plate 20 and clamp plate 30 to and improved assembly efficiency greatly, reduce the cost of labor. Moreover, each part of the conventional split process needs to be produced separately, and the inventive fixture can be produced as a single unit, thus resulting in relatively lower production costs.

As shown in fig. 2, in the present embodiment, the support beam 10 has a support surface 11 extending along a first direction, the support surface 11 is used for supporting a frame 110 of the photovoltaic module 100, the pressing plate 30 has a pressing surface 31 extending along the first direction, the pressing surface 31 faces the support surface 11, the connecting plate 20 is respectively connected to the support surface 11 and the pressing surface 31, and the support surface 11, the surface of the connecting plate 20 and the pressing surface 31 enclose a limiting structure 40.

As shown in fig. 3, the connection plate 20 has a first side 21 and a second side 22 disposed opposite to each other; the connection plate 20 divides the support surface 11 into a first support surface 111 and a second support surface 112; the connecting plate 20 separates the pressing surface 31 into a first pressing surface 311 and a second pressing surface 312; the first supporting surface 111, the first side surface 21 and the first pressing surface 311 enclose a first limiting groove 41; the second supporting surface 112, the second side surface 22 and the second pressing surface 312 enclose a second limiting groove 42; referring to fig. 2, the first and second limiting grooves 41 and 42 together form the limiting structure 40. By providing the first limit groove 41 and the second limit groove 42, two adjacent photovoltaic modules 100 can be respectively installed in the first limit groove 41 and the second limit groove 42, thereby fixedly connecting the two adjacent photovoltaic modules 100. That is, as shown in fig. 3, the connecting plate 20 has a T-shaped structure, so as to fix two adjacent photovoltaic modules 100 (see fig. 18) conveniently, and ensure uniformity of fastening forces applied to the frames 110 on both sides of the same photovoltaic module 100, and balance of fastening forces applied to a plurality of photovoltaic modules 100, which is beneficial to production and use.

In the first embodiment, since the support beam 10, the connection plate 20 and the pressing plate 30 are all disposed along the first direction, the fixing device has two opposite ends in the first direction, and when the photovoltaic module 100 is mounted to the first limit groove 41 or the second limit groove 42, the frame 110 of the photovoltaic module 100 can be inserted into the first limit groove 41 or the second limit groove 42 along the first direction from any one end of the fixing device, so as to achieve assembly. By adopting the assembly mode, compared with the split structure in the prior art, the assembly method has fewer assembly steps, can effectively improve the assembly efficiency, reduce the labor cost, increase the available area and further increase the installed capacity.

As shown in fig. 3, the pressing plate 30 includes: the pressing sub-board 32 and the limiting sub-board 33, and the pressing sub-board 32 and the connecting plate 20 are integrally formed; the limiting sub-board 33 is connected to the pressing sub-board 32 at a position far away from the connecting board 20, that is, the limiting sub-board 33 is located at the left and right sides of the pressing sub-board 32 in fig. 3, and the limiting sub-board 33 extends toward the inside of the limiting structure 40 to limit the frame 110 at the assembling position. Through setting up the spacing subplate 33 that extends to limit structure 40 inside, can form spacing cooperation with the frame 110 of photovoltaic module 100, prevent that photovoltaic module 100 from deviate from, improve the reliability of being connected with photovoltaic module 100.

It should be noted that, the width of the supporting surface 11 in the second direction is consistent with the width of the frame C surface 110C (see fig. 18) of the photovoltaic module 100, so as to improve the contact area, and meanwhile, the supporting surface 11, the surface of the connecting plate 20, the inner surface of the pressing sub-board 32 and the inner surface of the limiting sub-board 33 enclose a structure that matches the outline of the frame 110 of the photovoltaic module 100, especially, the inner surface of the pressing sub-board 32 and the inner surface of the limiting sub-board 33 form an inward slightly curved structure that matches the frame a surface 110a (see fig. 20) of the photovoltaic module 100 along with the shape, so that the bonding between the pressing plate 30 and the frame is tighter, the contact area is increased, and the fixing and limiting effects on the frame 110 are improved.

As shown in fig. 2, the support beam 10 further has a side wall surface 12 and a bottom surface 13 extending in the first direction. The side wall surfaces 12 are two, the two side wall surfaces 12 are oppositely arranged, the supporting surface 11 is connected between the two side wall surfaces 12, the bottom surface 13 is oppositely arranged with the supporting surface 11, the bottom surface 13 is connected between the two side wall surfaces 12, and the supporting surface 11, the two side wall surfaces 12 and the bottom surface 13 enclose the outer wall surface of the supporting beam 10.

As shown in fig. 2, the support beam 10 has a hollow structure, and the inside of the support beam 10 is provided with two reinforcing ribs 14, and the two reinforcing ribs 14 have a V-shaped structure.

Referring to fig. 1, the fixing device 200 further includes: and a drain structure 50, the drain structure 50 being disposed on the side wall surface 12, the drain structure 50 being configured to drain the accumulated water in a first direction.

Referring to fig. 2, the drainage structure 50 includes: a first baffle 511 and a first side plate 512. The first deflector 511 extends along a first direction, and the first deflector 511 is connected to the side wall surface 12; the first side plate 512 extends along the first direction, the first side plate 512 is connected to the first deflector 511, and the first side plate 512, the first deflector 511 and the side wall 12 form the first deflector groove 51. By providing the first diversion trench 51, the accumulated water can be led out, thereby avoiding the generation of the accumulated water and improving the reliability of the fixing device 200.

In this embodiment, as shown in fig. 2, the first baffle 511 is connected to the side wall 12 and the bottom 13, and the surface of the side of the first baffle 511 facing away from the supporting surface 11 is flush with the bottom 13. In this way, when the support beam 10 is connected with the installation beam, the contact area between the support beam 10 and the installation beam 400 is enlarged, so that the support beam 10 is more stable, and rolling in the left and right directions in fig. 2 is prevented, thereby improving the overall stability. The first diversion trench 51 not only can drain accumulated water, but also can fix the support beam 10 on the mounting beam 400 through the first diversion trench 51, thereby being a typical one-thing multi-purpose.

It will be appreciated that the drainage structure 50 is integrally formed with the support beam 10 for improved reliability and simplified assembly.

In the second embodiment of the present utility model shown in fig. 4, a fixing device 200 for a photovoltaic module 100 is also disclosed, and the structure of the fixing device is basically the same as that of the first embodiment, which is different in that in the present embodiment, an avoidance groove 113 is provided on the supporting surface 11, the avoidance groove 113 is located near the connecting plate 20, and the avoidance groove 113 is used for avoiding the frame 110 of the photovoltaic module 100, so that the frame 110 enters the assembly position through the avoidance groove 113. The avoiding groove 113 is an arc groove formed by recessing the supporting surface 11 downward in fig. 4, and the arc groove extends along the first direction. In the second embodiment, the first supporting surface 111 and the second supporting surface 112 are respectively provided with the avoiding groove 113, so that the assembly process of the photovoltaic module 100 into the first limiting groove 41 and the second limiting groove 42 is more convenient.

Referring to fig. 5 to 8, by providing the escape groove 113, the assembly mode of the photovoltaic module 100 can be further simplified. Taking a process of assembling the photovoltaic module 100 into the first limiting groove 41 as an example, as shown in fig. 5, the photovoltaic module 100 includes a frame 110 and a body 120, the frame 110 is coated on the outer periphery of the body 120, as shown in fig. 5, the outer surface of the frame 110 includes: frame a face 110a, frame B face 110B, and frame C face 110C. During assembly, the photovoltaic module 100 is moved along the arrow direction in fig. 5, so that the photovoltaic module 100 enters the first limit groove 41 in an inclined manner in fig. 6, at this time, the frame a surface 110a of the photovoltaic module 100 in fig. 6 is located below the pressing plate 30, the junction of the frame B surface 110B and the frame C surface 110C in fig. 6 enters the avoiding groove 113, then the photovoltaic module 100 is rotated in the arrow direction in fig. 6, so that the frame B surface 110B and the frame C surface 110C enter the first limit groove 41 along the avoiding groove 113, then as shown in fig. 7, at this time, the limit sub-plate 33 continuously rotates the photovoltaic module 100 along the arrow direction in fig. 7 by contacting with the frame a surface 110a and taking the contact position of the limit sub-plate 33 and the frame 110 as a fulcrum, and finally as shown in fig. 8, the whole frame 110 of the photovoltaic module 100 enters the first limit groove 41 through rotation. At this time, it can be seen that the limiting sub-board 33 extends toward the inside of the first limiting groove 41 and is matched with the shape of the frame 110, so that an effective limit can be formed on the frame 110, and the frame 110 is prevented from moving to the left in fig. 8, thereby preventing the photovoltaic module 100 from falling out.

The mounting mode is more convenient, the friction between the photovoltaic module and the limiting structure is reduced, and the damage probability is reduced.

As shown in fig. 9, in the third embodiment of the present utility model, a fixing device 200 for a photovoltaic module 100 is also disclosed, which is substantially the same as that of the first embodiment, wherein in the present embodiment, a limiting protrusion 114 is disposed at an end of the supporting surface 11 away from the connecting plate 20, and a limiting space is formed between the limiting protrusion 114 and the connecting plate 20, so as to limit the frame 110 in the second direction (the left-right direction in fig. 9).

Specifically, as shown in fig. 9, the limiting protrusion 114 is disposed at an end of the supporting surface 11 away from the connecting plate 20, and the limiting protrusion 114 is disposed to extend along the first direction, and the limiting protrusion 114 is used to form a limiting space with two side surfaces of the supporting surface 11 and the connecting plate 20 to accommodate and limit the frame C surface 110C. Taking the frame 110 in fig. 9 as an example, after installation, the limiting protrusion 114 can prevent the frame 110 from moving to the left in fig. 9 to separate, so as to improve the installation stability of the photovoltaic module.

It should be noted that, in this embodiment, the height of the limiting protrusion 114 is not higher than the thickness of the frame C surface 110C of the photovoltaic module 100, so that interference during assembling the frame 110 can be avoided, and in addition, excessive accumulated water formed in the limiting space can be avoided, which affects the reliability of the fixing device 200. In order to further reduce the influence of the water accumulation, a drain 115 is provided in the stopper protrusion 114, and the water accumulation in the stopper space can be drained through the drain 115, as shown in fig. 9.

In the present embodiment, the drainage portion 115 has a plurality of drainage holes, and the plurality of drainage holes are provided at intervals in the first direction. However, this is not limitative, but in some other embodiments not shown in the drawings, the drainage portion 115 may be a drainage notch provided on the limiting protrusion 114, through which the accumulated water in the limiting space is drained, and one or more drainage holes or drainage notches may be provided, that is, any structure capable of draining the accumulated water in the limiting space is within the scope of the present utility model.

As shown in fig. 10, in a fourth embodiment of the present utility model, there is also disclosed a fixing device 200 for a photovoltaic module 100, which is substantially the same as the first embodiment, except that in the present embodiment, the connection plate 20 includes: a first sub-board 23 and a second sub-board 24. The first sub-board 23 is integrally formed on the pressing plate 30; the second daughter board 24 integrated into one piece is on supporting beam 10, is provided with slot 241 on the second daughter board 24, and first daughter board 23 inserts and establishes in slot 241, simultaneously, and first daughter board 23 is fixed through the bolt and nut after inserting slot 241 of second daughter board 24, prevents to deviate from, forms detachable connection, and clamp plate 30 is connected on supporting beam 10 through first daughter board 23 and second daughter board 24 cooperation detachably. In this way, the pressing plate 30 can be detached when the photovoltaic module 100 is assembled, and the pressing plate 30 is mounted on the support beam 10 after the photovoltaic module 100 is placed on the support beam 10, so that the mounting process is simpler and more convenient.

It should be noted that, in the fourth embodiment, the first daughter board 23 is fixed by bolts and nuts after being inserted into the slot 241 of the second daughter board 24, but this is not limitative, and in the fifth embodiment shown in fig. 11, the first daughter board 23 may be fixed by pins after being inserted into the slot 241 of the second daughter board 24.

As shown in fig. 11, in use, a plurality of through holes 242 for penetrating pins may be disposed on the second daughter board 24 along the insertion direction, so that the first daughter board 23 may be fixed with the second daughter board 24 at a plurality of matching positions with different heights, so that the height of the limiting structure 40 may be adjusted to adapt to the frames 110 with different heights. But this is not limitative and in some other embodiments not shown in the figures, the through holes 242 may also be provided on the first daughter board 23.

In the sixth embodiment shown in fig. 12, the first daughter board 23 may be further fastened to the second daughter board 24. Specifically, as shown in fig. 12, the first sub-board 23 is provided with a tenon 231, the second sub-board 24 is provided with a tenon groove 243 matched with the tenon 231, and the tenon 231 of the first sub-board 23 slides into the tenon groove 243 to realize connection.

As shown in fig. 13, in a seventh embodiment of the present utility model, there is also disclosed a fixing device 200 for a photovoltaic module 100, which is substantially the same as the first embodiment, except that in this embodiment, the drainage structure 50 further includes: a second baffle 521 and a second side plate 522. The second deflector 521 extends along the first direction, the second deflector 521 is connected to the side wall surface 12, the second deflector 521 is located near the supporting surface 11, and the first deflector 511 is located far from the supporting surface 11; the second side plate 522 extends along the first direction, the second side plate 522 is connected to the second flow guiding plate 521, and the second side plate 522, the second flow guiding plate 521 and a part of the side wall surface 12 form a second flow guiding groove 52; the orthographic projection of the second diversion trench 52 on the first diversion trench 511 is located inside the first diversion trench 51.

By providing the second diversion plate 521 and the second side plate 522 to form the second diversion trench 52, a secondary diversion structure can be formed, and when the water accumulation is small, water is drained through the second diversion trench 52; when the accumulated water of the second diversion trench 52 overflows due to more accumulated water, the orthographic projection of the second diversion trench 52 is entirely located inside the first diversion trench 51, so that the overflowed accumulated water entirely enters the first diversion trench 51 and is discharged through the first diversion trench 51, thereby preventing the accumulated water from overflowing to the outside of the fixing device 200.

As shown in fig. 14, in an eighth embodiment of the present utility model, a fixing device 200 for a photovoltaic module 100 is also disclosed, which is substantially the same as that of the seventh embodiment, where in this embodiment, an avoidance groove 113 is provided on the supporting surface 11, where the avoidance groove 113 is located near the connection board 20, and the avoidance groove 113 is used to avoid the frame 110 of the photovoltaic module 100, so that the frame 110 enters the assembly position through the avoidance groove 113. The avoiding groove 113 is an arc groove formed by recessing the supporting surface 11 downward in fig. 14, and the arc groove extends along the first direction. In the eighth embodiment, the first supporting surface 111 and the second supporting surface 112 are respectively provided with the avoiding groove 113, so that the assembly process of the photovoltaic module 100 into the first limiting groove 41 and the second limiting groove 42 is more convenient.

As shown in fig. 15, in a ninth embodiment of the present utility model, there is also disclosed a fixing device 200 for a photovoltaic module 100, which is substantially the same as that of the seventh embodiment, except that in the present embodiment, the connection plate 20 includes: a first sub-board 23 and a second sub-board 24. The first sub-board 23 is integrally formed on the pressing plate 30; the second daughter board 24 integrated into one piece is on supporting beam 10, is provided with slot 241 on the second daughter board 24, and first daughter board 23 inserts and establishes in slot 241, simultaneously, and first daughter board 23 is fixed through bolt and nut after inserting slot 241 of second daughter board 24, prevents to deviate from, forms detachable connection, and clamp plate 30 is detachably connected on supporting beam 10 through first daughter board 23 and second daughter board 24 cooperation. In this way, the pressing plate 30 can be detached when the photovoltaic module 100 is assembled, and the pressing plate 30 is mounted on the support beam 10 after the photovoltaic module 100 is placed on the support beam 10, so that the mounting process is simpler and more convenient.

It should be noted that, in the ninth embodiment, the first daughter board 23 is inserted into the slot 241, and meanwhile, the first daughter board 23 is fixed by bolts and nuts after being inserted into the slot 241 of the second daughter board 24, so as to form a detachable connection, and prevent the first daughter board from falling out, which is not limitative, and in the tenth embodiment shown in fig. 16, the first daughter board 23 may be fixed by pins after being inserted into the slot 241 of the second daughter board 24.

As shown in fig. 16, in use, a plurality of through holes 242 for penetrating pins may be disposed on the second daughter board 24 along the insertion direction, so that the first daughter board 23 may be fixed with the second daughter board 24 at a plurality of matching positions with different heights, so that the height of the limiting structure 40 may be adjusted to adapt to the frames 110 with different heights. But this is not limitative and in some other embodiments not shown in the figures, the through holes 242 may also be provided on the first daughter board 23.

In an eleventh embodiment shown in fig. 17, the first sub-board 23 may be further fastened and fixed with the second sub-board 24, the first sub-board 23 is provided with a tenon 231, the second sub-board 24 is provided with a tenon groove 243 matched with the tenon 231, the tenon 231 of the first sub-board 23 slides into the tenon groove 243 to realize connection, the structure can be used for paving the photovoltaic module 100 first and then installing the first sub-board 23, the operation is convenient, and in particular, the tenon 231 is provided with a plurality of protrusions, the tenon groove 243 is internally provided with a plurality of positioning grooves, the protrusions are matched with the positioning grooves at different positions, and the adjustment of the distance between the first sub-board 23 and the second sub-board 24 is realized to match with the photovoltaic module 100 with different heights. That is, as long as the pressing plate 30 is detachably coupled to the support beam 10 by the first sub-plate 23 and the second sub-plate 24 in cooperation, it is within the scope of the present utility model.

As shown in fig. 18, in a first embodiment of the present utility model, a photovoltaic power generation device is also disclosed, including: a plurality of photovoltaic modules 100 arranged at intervals; in the fixing device 200, two adjacent photovoltaic modules 100 are connected by the fixing device 200.

It can be understood that in the photovoltaic power generation device of the first embodiment, the photovoltaic modules 100 are multiple groups, and the photovoltaic modules 100 in the same group are arranged along the first direction; the groups of photovoltaic modules 100 are arranged at intervals along a second direction perpendicular to the first direction; as shown in fig. 19, the fixing devices 200 are plural, each fixing device 200 is extended along the first direction, the plural fixing devices 200 are spaced along the second direction, a mounting space 600 is formed between every two adjacent fixing devices 200, and all fixing devices 200 form plural mounting spaces 600 distributed along the second direction at intervals; the same group of photovoltaic modules 100 are installed in the same installation space 600, and different groups of photovoltaic modules 100 are respectively installed in different installation spaces 600.

As shown in fig. 20, a gap 130 is formed between two adjacent groups of photovoltaic modules 100, the connection plate 20 is located in the gap 130, and the pressing plate 30 covers the gap 130. By covering the pressing plate 30 on the gap 130, entry of rainwater can be reduced, thereby improving reliability of the photovoltaic power generation apparatus.

As shown in fig. 18, the photovoltaic power generation apparatus further includes: a mounting beam 400 and a connector 500. The support beam 10 is provided on the mounting beam 400; the first end of the connecting piece 500 is disposed in the drainage structure 50 and is in limit fit with the drainage structure 50, the other end of the connecting piece 500 is connected with the mounting beam 400, and the fixing device 200 is fixed on the mounting beam 400 through the drainage structure 50. As shown in fig. 21, the first end of the connecting member 500 is provided with a hemming structure 501, and the hemming structure 501 is matched with the shape of the first guide groove 51, so that the connecting member can be fixed in the first guide groove 51, and meanwhile, the other end of the connecting member 500 is fixed on the mounting beam 400 through bolts, so that the first guide groove 51 is pressed on the mounting beam 400, and further, the connection and fixation of the support beam 10 and the mounting beam 400 are realized.

As shown in fig. 22, in the second embodiment, a photovoltaic power generation device is also disclosed, and in this embodiment, the structure is basically the same as that of the photovoltaic power generation device in the first embodiment, except that in this embodiment, the support beam 10 further has two drainage structures 50 extending along the first direction, two drainage structures 50 are respectively disposed on two sides of the support beam 10 in the second direction, and the drainage structures 50 are used for draining accumulated water along the first direction. And, the drainage structure includes a first diversion trench 51 and a second diversion trench 52.

The photovoltaic power generation device further includes: the drainage groove 300, the drainage groove 300 sets up along the second direction, and the one end of drainage groove 300 sets up on second guiding gutter 52, and the other end of drainage groove 300 sets up on the drainage structure 50 of another fixing device 200 that is adjacent with row second guiding gutter 52 same side, and drainage groove 300 is used for leading ponding to the second guiding gutter 52 in. As shown in fig. 22, the drainage groove 300 is located below the connection position of two photovoltaic modules 100 adjacently disposed in the first direction. Because gaps exist at the connecting positions of the adjacent photovoltaic modules 100 in the same group, accumulated water can also enter the gaps to drip along the gaps to the back surface of the photovoltaic module 100 when the gaps are in rainy weather. The drainage groove 300 is arranged at the gap to drain the dripped accumulated water to the second diversion trench 52 and is distributed out through the second diversion trench 52, so that the influence of the accumulated water on the photovoltaic power generation device is avoided.

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 (11)

1. A fixture for a photovoltaic module, comprising:

a support beam (10), the support beam (10) extending in a first direction;

the connecting plate (20) extends along the first direction, and the connecting plate (20) is connected to the supporting beam (10);

the clamp plate (30), clamp plate (30) are followed the first direction extends and sets up, clamp plate (30) are connected on connecting plate (20), clamp plate (30) connecting plate (20) with support beam (10) enclose into limit structure (40), limit structure (40) are used for holding, spacing frame (110) of photovoltaic module (100).

2. The fixture for a photovoltaic module according to claim 1, wherein,

the supporting beam (10), the connecting plate (20) and the pressing plate (30) are of an integrated structure.

3. The fixture for a photovoltaic module according to claim 1, wherein,

the support beam (10) is provided with a support surface (11) extending along the first direction, the support surface (11) is used for supporting a frame (110) of the photovoltaic module (100), the pressing plate (30) is provided with a pressing surface (31) extending along the first direction, the pressing surface (31) faces the support surface (11), the connecting plate (20) is respectively connected with the support surface (11) and the pressing surface (31), and the support surface (11), the surface of the connecting plate (20) and the pressing surface (31) enclose the limiting structure (40).

4. A fixture for a photovoltaic module according to claim 3,

the connecting plate (20) has a first side (21) and a second side (22);

the connecting plate (20) separates the supporting surface (11) into a first supporting surface (111) and a second supporting surface (112); the connecting plate (20) separates the pressing surface (31) into a first pressing surface (311) and a second pressing surface (312);

the first supporting surface (111), the first side surface (21) and the first pressing surface (311) enclose a first limit groove (41); the second supporting surface (112), the second side surface (22) and the second pressing surface (312) enclose a second limit groove (42); the first limit groove (41) and the second limit groove (42) form the limit structure (40).

5. A fixture for a photovoltaic module according to claim 3,

the support surface (11) is provided with an avoidance groove (113), and the avoidance groove (113) is positioned at a position close to the connecting plate (20).

6. A fixture for a photovoltaic module according to claim 3, characterized in that said pressing plate (30) comprises:

a pressing sub-board (32), wherein the pressing sub-board (32) is connected with the connecting plate (20);

the limiting sub-board (33), limiting sub-board (33) is connected on pressfitting sub-board (32) and keeps away from connecting plate (20) position department, limiting sub-board (33) orientation limit structure (40) inside extends.

7. A fixture for a photovoltaic module according to claim 3,

the fixing device further comprises a drainage structure (50) for draining accumulated water along the first direction, wherein the drainage structure (50) is arranged on the side wall surface (12) of the supporting beam (10);

the drainage structure (50) comprises:

a first deflector (511), the first deflector (511) extending in the first direction, the first deflector (511) being connected to the side wall surface (12);

the first side plate (512), first side plate (512) are along first direction extension, first side plate (512) are connected on first guide plate (511), first side plate (512), first guide plate (511) and lateral wall face (12) form first guiding gutter (51).

8. The fixture for a photovoltaic module according to claim 7, wherein the drainage structure (50) further comprises:

-a second deflector (521), the second deflector (521) extending in a first direction, the second deflector (521) being connected to the side wall surface (12), the second deflector (521) being located close to the support surface (11), the first deflector (511) being located away from the support surface (11);

a second side plate (522), the second side plate (522) extending along the first direction, the second side plate (522) being connected to the second deflector (521), the second side plate (522), the second deflector (521) and a portion of the side wall surface (12) forming a second deflector groove (52);

the orthographic projection of the second diversion trench (52) on the first diversion plate (511) is positioned inside the first diversion trench (51).

9. The fixture for a photovoltaic module according to claim 1, characterized in that said connection plate (20) comprises:

the first sub-board (23), the first sub-board (23) is connected to the pressing plate (30), and the first sub-board (23) and the pressing plate (30) are of an integrated structure;

the second daughter board (24), second daughter board (24) are connected on supporting beam (10), second daughter board (24) with supporting beam (10) is integrated into one piece structure, first daughter board (23) with second daughter board (24) can dismantle and be connected, clamp plate (30) are through first daughter board (23) with second daughter board (24) cooperation detachably connects on supporting beam (10).

10. A fixture for a photovoltaic module according to claim 3,

one end of the supporting surface (11) far away from the connecting plate (20) is provided with a limiting protrusion (114).

11. A photovoltaic power generation device, comprising:

a plurality of photovoltaic modules (100);

the fixture (200) for a photovoltaic module (100) according to any one of claims 1 to 10, wherein a plurality of said fixtures (200) are arranged in a second direction perpendicular to said first direction, each two adjacent fixtures (200) forming an installation space (600) therebetween,

the photovoltaic module (100) is installed in the installation space (600), and two side frames parallel to the first direction of the photovoltaic module (100) are respectively accommodated in the limit structures (40) corresponding to the installation space (600).