CN117176036A

CN117176036A - Photovoltaic support and photovoltaic power generation system with same

Info

Publication number: CN117176036A
Application number: CN202311330013.0A
Authority: CN
Inventors: 徐春平
Original assignee: Suzhou Atsi New Energy Development Co ltd
Current assignee: Suzhou Atsi New Energy Development Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2023-12-05

Abstract

The invention provides a photovoltaic bracket and a photovoltaic power generation system with the photovoltaic bracket, wherein the photovoltaic bracket comprises a ground pile, an upright post and a first fixing piece, and the ground pile comprises a ground pile body, a first fixing plate arranged at the upper end of the ground pile body and at least one first adjusting hole arranged on the first fixing plate; the upright post comprises an upright post body, a second fixing plate arranged at the lower end of the upright post body, and at least one second adjusting hole arranged on the second fixing plate; and the first fixed plate and the second fixed plate relatively move to enable the first adjusting hole and the second adjusting hole to be provided with a plurality of intersecting points, the first fixed piece penetrates through the intersecting points to fix the first fixed plate and the second fixed plate, namely, the first fixed plate and the second fixed plate can relatively move along the horizontal direction on the premise that the mutual installation of the first fixed plate and the second fixed plate is not affected, and then the relative positions of the upright post and the ground pile along the horizontal direction are adjusted, and then the adjustment of the photovoltaic assembly is driven to meet the requirement of the installation precision of the photovoltaic assembly.

Description

Photovoltaic support and photovoltaic power generation system with same

Technical Field

The invention relates to the technical field of photovoltaic power generation systems, in particular to a photovoltaic bracket and a photovoltaic power generation system with the photovoltaic bracket.

Background

In a photovoltaic power generation system, a photovoltaic bracket is used as the most important part in the photovoltaic system, plays a role in installing and fixing a solar cell panel, and in order to ensure that the bracket and the whole photovoltaic power generation system obtain good stability, the installation accuracy error of the photovoltaic bracket needs to be ensured to meet the specification and the actual installation requirement.

However, the mounting site of the photovoltaic power generation system is generally uneven in topography, and after the photovoltaic bracket is mounted, the photovoltaic bracket needs to be finely adjusted to ensure that the solar panel is normally mounted and the mounting precision is met, so that the requirements of the specification are met. The existing photovoltaic bracket has certain adjusting capability, but can be adjusted along one direction, such as the adjustment along the north-south direction of a pile foundation or the adjustment along the east-west direction of the pile foundation, and cannot meet the requirements of the standard precision of the photovoltaic bracket installation and the normal installation of a solar panel.

In view of the above, it is necessary to design a new photovoltaic bracket and a photovoltaic power generation system having the photovoltaic bracket to solve the above problems.

Disclosure of Invention

The invention provides a photovoltaic bracket and a photovoltaic power generation system with the photovoltaic bracket so as to overcome the technical problems.

In order to achieve the above purpose, the technical scheme provided by the invention is as follows:

the present invention provides a photovoltaic support comprising:

the ground pile comprises a ground pile body, a first fixing plate arranged at the upper end of the ground pile body, and at least one first adjusting hole arranged on the first fixing plate;

the upright post comprises an upright post body, a second fixing plate arranged at the lower end of the upright post body, and at least one second adjusting hole arranged on the second fixing plate;

the extending directions of the first adjusting hole and the second adjusting hole are different, and the first fixing plate and the second fixing plate relatively move so that the first adjusting hole and the second adjusting hole have a plurality of crossing points;

and a first fixing member penetrating through an intersection of the first and second adjustment holes to fix the first and second fixing plates.

Further, different crossing points are located at radially and/or circumferentially different positions of the first fixation plate.

Further, the first adjustment hole extends in a radial direction of the first fixing plate, and the second adjustment hole extends in a circumferential direction of the second fixing plate.

Further, the first adjusting holes are a plurality of, the second adjusting holes are a plurality of, and the first adjusting holes and the second adjusting holes are in one-to-one correspondence.

Further, the number of the first adjusting holes and the second adjusting holes is 2 to 8.

Further, the first adjusting holes are uniformly distributed at intervals along the circumferential direction of the first fixing plate, and the second adjusting holes are uniformly distributed at intervals along the circumferential direction of the second fixing plate.

Further, the first adjusting holes are strip-shaped, the second adjusting holes are arc-shaped, the first adjusting holes are located on different radial directions of the first circle, and the second adjusting holes are located on the circumference of the second circle.

Further, the distance from the center of the first adjusting hole to the center of the first circle is consistent with the radius of the second circle.

Further, the first adjusting holes and the second adjusting holes are long strips, the first adjusting holes are located on different radial directions of the first circle, the second adjusting holes are distributed along the circumference of the second circle, and the distances from the two ends of the second adjusting holes to the center of the second circle are equal to the radius of the second circle.

Further, the distance from the center of the first adjusting hole to the center of the first circle is consistent with the distance from the center of the second adjusting hole to the center of the second circle.

Further, the number of the first adjusting holes is larger than that of the second adjusting holes, and when the first fixing plate and the second fixing plate are fixed, any first adjusting hole is intersected with the second adjusting hole.

Further, the first adjusting holes are strip-shaped and located in different radial directions of the first circle, and the second adjusting holes are arc-shaped and located on the circumference of the second circle.

Further, the sum of the lengths of all the second adjustment holes is not less than three-fourths of the circumference of the circle in which the second adjustment holes are located.

Further, the photovoltaic bracket further comprises an adjusting device which is arranged on the ground pile and/or the upright post to adjust the height of the ground pile and/or the upright post.

Further, the adjusting device is arranged on the upright post, the adjusting device comprises a sleeve fixed on the second fixing plate to be sleeved on the lower portion of the upright post body, an adjusting groove correspondingly arranged on the sleeve and the upright post body, and a second fixing piece penetrating through the adjusting groove to fix the sleeve and the upright post body, and the adjusting groove extends along the axial direction of the upright post body or comprises a plurality of sub-adjusting grooves distributed along the axial direction of the upright post body at intervals.

The invention also provides a photovoltaic power generation system which comprises the photovoltaic bracket.

Compared with the prior art, the photovoltaic bracket has the beneficial effects that: through setting up first regulation hole and the second regulation hole that has a plurality of crossing points, under the prerequisite that does not influence first fixed plate and second fixed plate mutually installed, can follow horizontal direction relative movement first fixed plate and second fixed plate, and then the adjustment stand and ground stake are along the relative position of horizontal direction, drive the adjustment of photovoltaic module in order to satisfy photovoltaic module installation accuracy's requirement then.

Drawings

Fig. 1 is a schematic perspective view of a photovoltaic bracket according to an embodiment of the present invention.

Fig. 2 is an exploded view of the components of the photovoltaic bracket of fig. 1.

Fig. 3 is a schematic plan view of the first fixing plate in fig. 1.

Fig. 4 is a schematic plan view of the second fixing plate in fig. 1.

Fig. 5 is a diagram showing a relative positional relationship between the first adjustment hole and the second adjustment hole after the first fixing plate and the second fixing plate are aligned in fig. 1.

Fig. 6 is a diagram showing a relative positional relationship between the first adjustment hole and the second adjustment hole after the first fixing plate and the second fixing plate in fig. 1 are moved relatively in one direction.

Fig. 7 is a diagram showing a relative positional relationship between the first adjustment hole and the second adjustment hole after the first fixing plate and the second fixing plate in fig. 1 are moved relatively in another direction.

Fig. 8 is a diagram showing a relative positional relationship between the first adjustment hole and the second adjustment hole after the first fixing plate and the second fixing plate in fig. 1 are rotated relative to each other in an axial direction.

Fig. 9 is a schematic plan view of a second fixing plate according to another embodiment of the present invention.

Fig. 10 is a schematic plan view of a second fixing plate according to another embodiment of the present invention.

Fig. 11 is a schematic perspective view of a photovoltaic bracket according to another embodiment of the present invention.

Fig. 12 is a schematic perspective view of the sleeve and the second fixing plate of the adjusting device in fig. 11.

Fig. 13 is a schematic perspective view of a photovoltaic power generation system according to an embodiment of the present invention.

Fig. 14 is an enlarged view of a partial structure at a in fig. 13.

The photovoltaic support comprises a 100-photovoltaic support, 10-ground piles, 11-ground pile bodies, 12-first fixing plates, 13-first adjusting holes, 14-spiral blades, 15-first circles, 20-upright posts, 21-upright post bodies, 22-second fixing plates, 23-second adjusting holes, 24-second circles, 30-first fixing pieces, 40-adjusting devices, 41-sleeves, 42-adjusting grooves, 43-second fixing pieces, 200-diagonal braces and 300-purlins.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions of the present invention, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.

It should be noted that the direction or the positional relationship indicated in the present invention is based on the direction or the positional relationship shown in the auxiliary drawings, which is only for simplifying the description of the present invention, and is not meant to indicate or imply that the device must have a specific direction, be configured and operated in the specific direction, and therefore should not be construed as limiting the scope of the present invention, in which the direction downward is toward the ground and the direction upward is away from the ground.

In the various illustrations of the invention, some dimensions of structures or portions may be exaggerated relative to other structural portions for convenience of illustration, and thus serve only to illustrate the basic structure of the inventive subject matter.

The invention provides a photovoltaic support and a photovoltaic power generation system with the photovoltaic support, wherein the photovoltaic power generation system comprises a plurality of photovoltaic supports 100 which are arranged in a matrix, a plurality of diagonal braces 200 which are arranged at the upper end of the photovoltaic supports 100 along a first direction, a plurality of purlines 300 which are arranged on the diagonal braces 200 along a second direction, and photovoltaic modules (not shown) which are arranged on the purlines 300, wherein the photovoltaic supports 100 are required to be adjusted to meet the requirement of the photovoltaic modules on installation precision due to different installation environments of the photovoltaic supports 100.

Specifically, as shown in fig. 1 and 2, the photovoltaic bracket 100 includes a ground pile 10, a column 20 above the ground pile 10, and a first fixing member 30 for fixing the ground pile 10 and the column 20, and in the photovoltaic power generation system, the ground pile 10 plays a role of installing and supporting the column 20.

The ground pile 10 comprises a ground pile body 11, a first fixing plate 12 arranged at the upper end of the ground pile body 11, and at least one first adjusting hole 13 arranged on the first fixing plate 12.

The pile body 11 is columnar, the first fixing plate 12 is located at the upper end of the pile body 11, and the edge of the first fixing plate 12 exceeds the edge of the pile body 11 along the horizontal direction, so as to support the upright post 20 conveniently.

In some embodiments, the pile 10 further includes a helical blade 14 on the peripheral side of the pile body 11 to facilitate screwing the pile 10 into the ground, and to increase the contact area and the bonding strength between the pile 10 and the ground, thereby improving the load-resisting capability of the entire photovoltaic power generation system.

The upright post 20 comprises an upright post body 21, a second fixing plate 22 arranged at the lower end of the upright post body 21, and at least one second adjusting hole 23 arranged on the second fixing plate 22.

The post body 21 is columnar, and the second fixing plate 22 located at the lower end of the post body 21 is used for abutting against the first fixing plate 12 to mount the post 20 on the ground pile 10, and the edge of the second fixing plate 22 exceeds the edge of the post body 21 along the horizontal direction, and similarly, the invention is not limited to the specific shape of the second fixing plate 22, and the second fixing plate 22 is also exemplified as a circular shape for the detailed description.

Preferably, the dimension of the pile body 11 along the radial direction is greater than the dimension of the column body 21 along the radial direction to support the column 20 and other components above the column, so as to improve the structural strength and the load-resisting capability of the whole photovoltaic power generation system, and the invention is not limited to the specific shape of the cross section of the pile 10 and the column 20.

Preferably, the area of the second fixing plate 22 is not smaller than the area of the first fixing plate 12, that is, after the ground stake 10 and the upright post 20 are installed, the edges of the second fixing plate 22 are supported on the first fixing plate 12, so as to improve the stability of the ground stake 10 for supporting the upright post 20 and the convenience of installation. Preferably, the second fixing plate 22 and the first fixing plate 12 have the same area.

The first fixing member 30 includes a first bolt and a first nut corresponding thereto, and the first bolt penetrates the first and second adjustment holes 13 and 23 to fix the first and second fixing plates 12 and 22.

As shown in fig. 3 and 4, the first and second adjustment holes 13 and 23 are extended in different directions, and the first and second fixing plates 12 and 22 are relatively moved such that the first and second adjustment holes 13 and 23 have a plurality of crossing points, and the first bolts pass through the corresponding crossing points of the first and second adjustment holes 13 and 23 to mount and fix the first and second fixing plates 12 and 22 together.

In the present invention, a plurality of intersecting points are provided between the first adjusting hole 13 and the second adjusting hole 23, that is, the positions of the first fixing plate 12 and the second fixing plate 22 can be relatively moved along the horizontal direction on the premise of not affecting the mutual installation of the first fixing plate 12 and the second fixing plate 22, so as to change the relative positions of the ground pile 10 and the upright post 20 along the horizontal direction, and then drive and adjust the photovoltaic module to meet the requirement of the installation precision of the photovoltaic module.

It will be appreciated that in moving the first and second fixing plates 12, 22 relative to one another, the position of the first fixing plate 12 relative to the second fixing plate 22 may be moved, or the position of the second fixing plate 22 relative to the first fixing plate 12 may be moved, with the position of the second fixing plate 22 relative to the first fixing plate 12 generally being adjusted based on the specifics of the installation of the pile 10.

Further, different crossing points are located at different positions in the radial direction and/or the circumferential direction of the first fixing plate 12, that is, the fixing points between the first fixing plate 12 and the second fixing plate 22 are located at different positions, so as to disperse and balance the stress between the first fixing plate 12 and the second fixing plate, and improve the bonding strength between the ground pile 10 and the upright post 20.

Further, the first adjusting hole 13 extends along the radial direction of the first fixing plate 12, the second adjusting hole 23 extends along the circumferential direction of the second fixing plate 22, so that a plurality of intersecting points are formed between the first adjusting hole 13 and the second adjusting hole 23, and the range of relative movement between the first fixing plate 12 and the second fixing plate 22 is improved.

As a preferred embodiment of the photovoltaic bracket of the present invention, the number of the first adjusting holes 13 is several, the number of the second adjusting holes 23 is several, the first adjusting holes 13 and the second adjusting holes 23 are in one-to-one correspondence, and a plurality of intersecting points are formed between the corresponding first adjusting holes 13 and second adjusting holes 23, so that the second fixing plate 22 does not need to be moved greatly during adjustment.

Further, the number of the first adjusting holes 13 and the second adjusting holes 23 is 2 to 8, and a reasonable number of the first adjusting holes 13 and the second adjusting holes 23 are provided, so that a plurality of crossing points are easily formed between the first adjusting holes 13 and the second adjusting holes 23, and the difficulty of alignment is not increased. Preferably, as shown in fig. 3 and 4, the number of the first adjusting holes 13 and the second adjusting holes 23 is 4.

As shown in fig. 3 to 8, the plurality of first adjusting holes 13 are uniformly spaced along the circumferential direction of the first fixing plate 12, the plurality of second adjusting holes 23 are uniformly spaced along the circumferential direction of the second fixing plate 22, and the fixing bonding points between the first fixing plate 12 and the second fixing plate 22 are uniformly distributed along the plane where the first fixing plate 12 or the second fixing plate 22 is located, so as to improve the bonding strength between the ground pile 10 and the upright post 20.

As shown in fig. 6 and 7, the first and second fixing plates 12 and 22 are horizontally moved by a and b in different directions, respectively, and the positions of the crossing points between the first and second adjustment holes 13 and 23 are different, without affecting the coupling therebetween.

As another preferred embodiment of the photovoltaic bracket of the present invention, as shown in fig. 4 to 8, the first adjusting holes 13 are in a strip shape, the second adjusting holes 23 are arc-shaped, the plurality of first adjusting holes 13 are located in different radial directions of the first circle 15, the plurality of second adjusting holes 23 are located on the circumference of the second circle 24, and the precise position of the photovoltaic module can be adjusted by the relative rotation between the first fixing plate 12 and the second fixing plate 22 along the axial direction of the photovoltaic bracket 100 on the premise that the installation and fixation between the first fixing plate 12 and the second fixing plate 22 are not affected.

As shown in fig. 8, after the first fixing plate 12 and the second fixing plate 22 are relatively rotated by an angle α, the intersection point between the first adjustment hole 13 and the second adjustment hole 23 changes the position again, so that the fixed connection between the ground stake 10 and the upright post 20 is not affected.

It should be understood that the first circle 15 and the second circle 24 refer to the direction of the center of the first fixing plate 12 or the second fixing plate 22 toward the edge, and are not particularly limited to circles. In the embodiment where the first fixing plate 12 and the second fixing plate 22 are both circular, it is preferable that the first circle 15 is disposed concentrically with the first fixing plate 12, and the second circle 24 is disposed concentrically with the second fixing plate 22.

Preferably, as shown in fig. 5, the distance from the center of the first adjusting hole 13 to the center of the first circle 15 is identical to the radius of the second circle 24, that is, after the first fixing plate 12 is aligned with the second fixing plate 22, the center of the first adjusting hole 13 and the center of the second adjusting hole 23 may coincide, if when the center of the first circle 15 coincides with the center of the second circle 24, the centers of the first adjusting hole 13 and the second adjusting hole 23 coincide with each other as a base point, and the opposite base points of the first adjusting hole 13 and the second adjusting hole 23 have symmetrical adjusting spaces, so that a larger adjusting space and improved adjusting flexibility are provided between the first fixing plate 12 and the second fixing plate 22.

Of course, the second adjusting hole 23 may be the same and symmetrical shape, but not belong to the second circle 24 or the second adjusting hole 23 itself may be an asymmetrical shape, and the technical effect of having multiple crossing points with the first adjusting hole 13 may be achieved, which is also within the scope of the present invention.

As another preferred embodiment of the photovoltaic bracket of the present invention, as shown in fig. 9, the first adjusting holes 13 and the second adjusting holes 23 are elongated, a plurality of the first adjusting holes 13 are located in different radial directions of the first circle 15, a plurality of the second adjusting holes 23 are arranged along the circumference of the second circle 24, the distances from the two ends of the second adjusting holes 23 to the center of the second circle 24 are equal to the radius of the second circle 24, that is, the two ends of the second adjusting holes 23 are located on the circumference of the second circle 24, preferably, when the first adjusting holes 13 intersect with the second adjusting holes 23, the first adjusting holes 13 and the second adjusting holes 23 are perpendicular to each other.

Of course, in the case where the first adjustment hole 13 is not perpendicular to the second adjustment hole 23, the angle between the second adjustment hole 23 and the first adjustment hole 13 is 0 ° to 90 °, wherein the length of the second adjustment hole 23 in the radial direction is smaller than the length in the axial direction.

In this embodiment, the distance from the center of the first adjusting hole 13 to the center of the first circle 15 is identical to the distance from the center of the second adjusting hole 23 to the center of the second circle 24, the radius of the second circle 24 is larger than the radius of the first circle 15, if the center of the first circle 15 coincides with the center of the second circle 24, the center of the first adjusting hole 13 coincides with the center of the second adjusting hole 23, the centers of the first adjusting hole 13 and the second adjusting hole 23 coincide with each other as a base point, and the opposite base points of the first adjusting hole 13 and the second adjusting hole 23 all have symmetrical adjusting spaces, so that a larger adjusting space and flexibility of lifting adjustment are provided between the first fixing plate 12 and the second fixing plate 22.

As another preferred embodiment of the photovoltaic bracket of the present invention, the number of the first adjusting holes 13 is greater than the number of the second adjusting holes 23, and when the first fixing plate 12 and the second fixing plate 22 are fixed, any of the first adjusting holes 13 intersects with the second adjusting holes 23, so as to also realize adjustment of the pile 10 opposite to the upright 20.

In a specific embodiment, the first adjusting holes 13 are stripe-shaped and located on different radial directions of the first circle 15, the second adjusting holes 23 are arc-shaped and located on the circumference of the second circle 24, and the precise position of the photovoltaic module is adjusted by the relative rotation between the first fixing plate 12 and the second fixing plate 22 along the axial direction of the photovoltaic bracket 100.

Further, the distance from the center of the first adjusting hole 13 to the center of the first circle 15 is consistent with the radius of the second circle 24. Similarly, when the center of the first circle 15 coincides with the center of the second circle 24, the center of the first adjusting hole 13 and the center of the second adjusting hole 23 may coincide, and the centers of the first adjusting hole 13 and the second adjusting hole 23 coincide with each other as a base point, and the opposite base points of the first adjusting hole 13 and the second adjusting hole 23 have symmetrical adjusting spaces, so that a larger adjusting space and improved adjusting flexibility are provided between the first fixing plate 12 and the second fixing plate 22.

As shown in fig. 10, when 4 first adjusting holes 13 are provided, two second adjusting holes 23 are symmetrical, and of course, one or three second adjusting holes may be provided, so that the first fixing plate 12 and the second fixing plate 22 may rotate relatively along the axial direction of the photovoltaic bracket 100, thereby realizing accurate installation of the photovoltaic module.

In the above embodiments, the sum of the lengths of all the second adjustment holes 23 is not less than three-fourths of the circumference of the circle in which the second adjustment holes 23 are located, that is, not less than three-fourths of the circumference of the second circle 24, so as to ensure the structural strength of the second fixing plate 22 itself.

Correspondingly, the length of the first adjusting hole 13 is not more than three fourths of the radial length of the first fixing plate 12 where the first adjusting hole 13 is located, so as to ensure the structural strength of the first fixing plate 12.

As another preferred embodiment of the photovoltaic bracket of the present invention, based on any of the above embodiments, the photovoltaic bracket 100 further comprises an adjusting device 40 provided on the ground stake 10 and/or the upright post 20 to adjust the height thereof, so as to facilitate adjusting the height of the photovoltaic bracket 100, so that the photovoltaic bracket 100 can be adapted to an installation site with uneven height.

In a specific embodiment, as shown in fig. 11 and 12, the adjusting device 40 is disposed on the upright, the adjusting device 40 includes a sleeve 41 fixed on the second fixing plate 22 to be sleeved on the lower portion of the upright body 21, an adjusting slot 42 correspondingly disposed on the sleeve 41 and the upright body 21, and a second fixing member 43 passing through the adjusting slot 42 to fix the sleeve 41 and the upright body 21, where the adjusting slot 42 extends along the axial direction of the upright body 41 or the adjusting slot 42 includes a plurality of sub-adjusting slots (not shown) arranged at intervals along the axial direction of the upright body 21. The second fixing member 43 adjusts the height of the upright post 20 by passing through different positions of the adjusting slot 42 or passing through different positions of the sub-adjusting slots, so as to adjust the height of the photovoltaic bracket 10, and further drive the photovoltaic module to accurately adjust in the height direction.

In the embodiment in which the adjusting device 40 is provided on the pile 10, the sleeve 41 is fixed on the first fixing plate 12 and is sleeved on the upper portion of the pile body 11.

In order to provide a greater range of adjustment of the photovoltaic module 100 in terms of height, the adjustment device 40 can also be provided on both the ground stake 10 and the upright 20.

The invention also provides a photovoltaic power generation system, as shown in fig. 13 and 14, which comprises the photovoltaic bracket 100. Specifically, the photovoltaic power generation system comprises a plurality of photovoltaic brackets 100 which are arranged in a matrix, a plurality of inclined struts 200 which are arranged at the upper end of the photovoltaic brackets 100 along a first direction, a plurality of purlines 300 which are arranged on the inclined struts 200 along a second direction, and photovoltaic modules which are arranged on the purlines 300, wherein the first direction is perpendicular to the first direction, and the photovoltaic modules are driven to adjust by adjusting the photovoltaic brackets 100, so that the installation precision requirements of the photovoltaic modules are met, the load resistance capability of the photovoltaic power generation system is further improved, and the service life of the photovoltaic power generation system is prolonged.

In summary, in the photovoltaic bracket 100 of the present invention, the first adjusting hole 13 and the second adjusting hole 23 having a plurality of intersecting points are provided, so that the first fixing plate 12 and the second fixing plate 22 can be moved relatively along the horizontal direction without affecting the mutual installation of the first fixing plate 12 and the second fixing plate 22, thereby adjusting the relative positions of the upright post 20 and the ground post 10, and then driving the adjustment of the photovoltaic module to meet the requirement of the installation precision of the photovoltaic module.

It should be understood that although the present disclosure describes embodiments in terms of examples, not every embodiment is provided with a single embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present invention, and is not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.

Claims

1. A photovoltaic bracket, characterized in that it comprises:

2. The photovoltaic bracket of claim 1, wherein different intersection points are located at radially and/or circumferentially different positions of the first fixation plate.

3. The photovoltaic bracket of claim 1, wherein the first adjustment aperture extends in a radial direction of the first fixation plate and the second adjustment aperture extends in a circumferential direction of the second fixation plate.

4. The photovoltaic bracket of claim 3, wherein the number of first adjusting holes is several, the number of second adjusting holes is several, and the first adjusting holes and the second adjusting holes are in one-to-one correspondence.

5. The photovoltaic bracket of claim 4 wherein the number of first and second adjustment holes is 2 to 8.

6. The photovoltaic bracket of claim 4, wherein a plurality of the first adjustment holes are uniformly spaced along the circumference of the first fixing plate and a plurality of the second adjustment holes are uniformly spaced along the circumference of the second fixing plate.

7. The photovoltaic bracket of claim 6, wherein the first adjustment holes are stripe-shaped, the second adjustment holes are arc-shaped, the plurality of first adjustment holes are located in different radial directions of the first circle, and the plurality of second adjustment holes are located on the circumference of the second circle.

8. The photovoltaic bracket of claim 7 wherein the distance from the center of the first adjustment aperture to the center of the first circle coincides with the radius of the second circle.

9. The photovoltaic bracket of claim 6, wherein the first adjusting holes and the second adjusting holes are elongated, the first adjusting holes are located in different radial directions of a first circle, the second adjusting holes are arranged along the circumference of a second circle, and the distances from the two ends of the second adjusting holes to the center of the second circle are equal to the radius of the second circle.

10. The photovoltaic bracket of claim 9, wherein a distance from a center of the first adjustment aperture to a center of the first circle is consistent with a distance from a center of the second adjustment aperture to a center of the second circle.

11. The photovoltaic bracket of claim 3 wherein the number of first adjustment apertures is greater than the number of second adjustment apertures, and wherein any first adjustment aperture intersects a second adjustment aperture when the first and second fixation plates are fixed.

12. The photovoltaic bracket of claim 11 wherein the first adjustment apertures are stripe-shaped and located in different radial directions of the first circle and the second adjustment apertures are arc-shaped and located on the circumference of the second circle.

13. The photovoltaic bracket of claim 12 wherein the distance from the center of the first adjustment aperture to the center of the first circle coincides with the radius of the second circle.

14. The photovoltaic bracket of any of claims 1 to 13 wherein the sum of the lengths of all of the second adjustment apertures is no less than three quarters of the circumference of the circle in which the second adjustment apertures are located.

15. The photovoltaic bracket of any of claims 1 to 13 further comprising an adjustment means provided on the ground stake and/or the post to adjust its height.

16. The photovoltaic bracket of claim 15, wherein the adjusting device is disposed on the upright, the adjusting device comprises a sleeve fixed on the second fixing plate to be sleeved on the lower portion of the upright body, an adjusting groove correspondingly disposed on the sleeve and the upright body, and a second fixing member passing through the adjusting groove to fix the sleeve and the upright body, and the adjusting groove extends along the axial direction of the upright body or the adjusting groove comprises a plurality of sub-adjusting grooves arranged at intervals along the axial direction of the upright body.

17. A photovoltaic power generation system comprising a photovoltaic bracket according to any one of claims 1 to 15.