CN216649565U

CN216649565U - Flexible photovoltaic support

Info

Publication number: CN216649565U
Application number: CN202123437347.7U
Authority: CN
Inventors: 许小春; 王华芳; 马明; 张高明
Original assignee: Guodian Yinhe Beijing Power Co ltd; CABR Technology Co Ltd
Current assignee: China Construction Research Technology Co ltd; Guodian Yinhe Beijing Power Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-31
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a flexible photovoltaic support, comprising: the support assembly at least comprises two groups of supports which are oppositely arranged, each group of supports at least comprises two upright posts which are arranged at intervals and a cross beam which is arranged at the top ends of the two upright posts; the inhaul cable assemblies comprise a plurality of groups of inhaul cables which are arranged at intervals along the cross beam, and two ends of each group of inhaul cables are connected to the cross beams of the two groups of brackets in a tensioned manner; each group of stay cables at least comprises two installation cables and a bearing cable positioned below the two installation cables, the plane where the two installation cables are located forms an installation surface for installing a photovoltaic panel, a triangular truss structure is arranged on each group of stay cables corresponding to the position where the photovoltaic panel is installed, and the triangular truss structures on the two adjacent groups of stay cables are connected through a cross brace. The flexible photovoltaic support provided by the utility model has better stability.

Description

Flexible photovoltaic support

Technical Field

The utility model relates to the technical field of photovoltaic supports, in particular to a flexible photovoltaic support.

Background

The photovoltaic bracket is used for supporting a photovoltaic panel in a solar photovoltaic power generation system. Traditional photovoltaic support is rigid support, generally includes stand and purlin, and photovoltaic module arranges on rigid purlin according to the array installation.

But the rigid support structure has the defects of small span, low bottom space utilization rate, large number of foundations, large steel consumption and the like.

Aiming at the problems of the rigid support structure, the scheme of the flexible photovoltaic support is invented, a rigid purline is changed into a steel strand to form a flexible cable structure, and the photovoltaic module is directly arranged on the two module installation cables. And the two assembly mounting cables are positioned on different horizontal planes and are respectively called as an upper cable and a lower cable, so that the photovoltaic assembly forms a certain inclination angle after being mounted, and the sunlight can be better received. Because the flexible support adopts the mode of stretching and drawing the prestressed cable between two fixed points, and two fixed points adopt the rigidity basis to provide reaction force, consequently can realize the large-span installation. The design can avoid adverse geographical factors such as mountain fluctuation and higher vegetation, and broaden the installation range of the photovoltaic system. At the same time, the flexible support is less costly to install than the rigid support.

But the problem that the stability is not good enough exists to current flexible photovoltaic support.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flexible photovoltaic support which has good stability on the basis of overcoming the problems of a rigid support structure.

The utility model provides a flexible photovoltaic support which comprises a support assembly, at least two groups of supports, at least two vertical columns and a cross beam, wherein the two groups of supports are oppositely arranged; the stay cable assembly comprises a plurality of groups of stay cables which are arranged at intervals along the cross beam, and two ends of each group of stay cables are connected to the cross beams of the two groups of brackets in a tensioned manner; each group of stay cables at least comprises two installation cables and a bearing cable positioned below the two installation cables, the plane where the two installation cables are located forms an installation surface for installing a photovoltaic panel, a triangular truss structure is arranged on each group of stay cables corresponding to the position where the photovoltaic panel is installed, and the triangular truss structures on the two adjacent groups of stay cables are connected through a cross brace.

According to the flexible photovoltaic support provided by the utility model, the weight of the photovoltaic panel is transferred to the bearing cable through the triangular truss by adding the bearing cable and the triangular truss in each group of the stay cables, so that the load of the mounting cable is reduced, and meanwhile, the triangular trusses of two adjacent groups of stay cable assemblies are connected through the cross braces, so that the integrity of the whole flexible photovoltaic support is increased, and the stability of the whole photovoltaic support is further increased.

In another possible implementation, the plane of the triangular truss structure forms an angle of 10-20 degrees with the vertical plane.

In another possible implementation, the two mounting cables include an upper mounting cable and a lower mounting cable, and the cross beam is provided with a first connecting part and a second connecting part for connecting with the upper mounting cable and the lower mounting cable, respectively.

In another possible implementation, the first connecting portion is an upper connecting column disposed at an upper end of the cross beam and extending upward.

In another possible implementation, the second connection portion is a lower connection column disposed at a lower end of the cross beam and extending downward.

In another possible implementation, the system further comprises a fixed anchor pile, a through hole is formed in the middle of the cross beam, and the bearing cable penetrates through the through hole to be fixedly connected with the fixed anchor pile.

In another possible implementation, the distance between the bearing cable of each group of the stay cables close to the cross beam and the two mounting cables is smaller than the distance between the bearing cable of the middle part of each group of the stay cables and the two mounting cables.

In another possible implementation, the mounting cable and the load bearing cable in each group of stay cables are steel strands.

In another possible implementation, a plurality of triangular truss structures are arranged on each group of guy cables, and the plurality of triangular truss structures are uniformly distributed along the extending direction of each group of guy cables.

In another possible implementation, a plurality of triangular truss structures are arranged on each group of guy cables, the triangular truss structures are unevenly distributed along the extending direction of each group of guy cables, the middle of each group of guy cables is sparsely distributed, and the two ends of each group of guy cables are densely distributed.

Drawings

The drawings that accompany the detailed description can be briefly described as follows.

Fig. 1 is a schematic structural diagram of one of the spans of a flexible photovoltaic support provided by an embodiment of the utility model.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

In the description of the present application, the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, an interference connection, or an integral connection; the specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

Fig. 1 is a schematic structural diagram of one of the spans of a flexible photovoltaic support provided by an embodiment of the utility model. As shown in fig. 1, the flexible photovoltaic support at least comprises a support assembly and a guy cable assembly, wherein the support assembly at least comprises two sets of supports which are oppositely arranged, each set of supports at least comprises two upright posts 10 which are arranged at intervals, and a cross beam 20 which is arranged at the top ends of the two upright posts 10; the inhaul cable assembly comprises a plurality of groups of inhaul cables which are arranged at intervals along the cross beam 20, and two ends of each group of inhaul cables are connected to the cross beams 20 of the two groups of brackets in a tensioned manner; each group of guy cables at least comprises two mounting cables (such as an upper mounting cable 31 and a lower mounting cable 32 in the figure) and a bearing cable 33 positioned below the two mounting cables, the plane where the two mounting cables are positioned forms a mounting surface for mounting the photovoltaic panel, a triangular truss structure 40 is arranged on each group of guy cables corresponding to the position where the photovoltaic panel is mounted, and the triangular truss structures 40 on two adjacent groups of guy cables are connected through a cross brace 50.

In one example, in order to further increase the stability of the flexible photovoltaic support, the flexible photovoltaic support further comprises fixing anchor piles (not shown in the figure), the fixing anchor piles are arranged on two sides of the two groups of supports, a through hole is formed in the middle of the cross beam, and the bearing cable penetrates through the through hole to be fixedly connected with the fixing anchor piles.

Optionally, the fixed anchor pile may be a steel anchor pile or a concrete foundation anchor pile, etc.

Specifically, the two mounting cables comprise an upper mounting cable 31 and a lower mounting cable 32, and the upper mounting cable 31 and the lower mounting cable 32 are located on different horizontal planes, so that the mounting plane formed by the upper mounting cable 31 and the lower mounting cable 32 has a certain inclination angle with respect to the horizontal plane, and better receives the sunlight.

The cross member 20 is provided with first and second connecting portions for connecting the upper and

lower mounting cables

31 and 32, respectively. For example, the first connecting portion may be an upper connecting column 21 disposed at the upper end of the beam 20 and extending upward, and the second connecting portion may be a lower connecting column 22 disposed at the lower end of the beam 20 and extending downward, so that the upper mounting cable 31 and the lower mounting cable 32 form a height difference, so that the mounting surface of the photovoltaic panel forms a certain inclination angle.

Rigid connecting rods are respectively arranged between the upper mounting cable 31 and the lower mounting cable 32, between the upper mounting cable 31 and the bearing cable 33, and between the lower mounting cable 32 and the bearing cable 33 to form a triangular truss structure 40. Two ends of the cross brace are respectively connected with a rigid connecting rod between a lower mounting cable 32 and a bearing cable 33 of the triangular truss structure on two adjacent groups of guys and a rigid connecting rod between an upper mounting cable 31 and the bearing cable 33.

In one example, the plane of the triangular truss structure forms an included angle of 10-20 degrees with the vertical plane, in other words, the triangular truss structure is not perpendicular to the stay cables.

Optionally, the mounting cable and the bearing cable in each group of stay cables can be steel strands or prestressed pull ropes.

In one example, the distance between the load bearing cable 33 of each set of cables near the cross beam 20 and two mounting cables is less than the distance between the load bearing cable 33 of the middle portion of each set of cables and two mounting cables.

In another example, a plurality of triangular truss structures 40 are provided on each group of guy wires, the plurality of triangular truss structures being evenly distributed along the extending direction of each group of guy wires.

In another example, the plurality of triangular truss structures are unevenly distributed along the extending direction of each group of guy cables, for example, the triangular truss structures 40 in the middle of each group of guy cables are sparsely distributed, the triangular truss structures 40 at two ends of each group of guy cables are densely distributed, and because the middle of the guy cable is far away from the support, the load bearing capacity of the two ends is poorer, the triangular truss structures and the photovoltaic panel in the middle of the guy cable are sparsely distributed, and the two ends are densely distributed, so that the structure of the whole flexible photovoltaic support is more stable.

In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

Finally, the description is as follows: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A flexible photovoltaic support, comprising:

the support assembly at least comprises two groups of supports which are oppositely arranged, each group of supports at least comprises two upright posts which are arranged at intervals and a cross beam which is arranged at the top ends of the two upright posts;

the stay cable assembly comprises a plurality of groups of stay cables which are arranged at intervals along the cross beam, and two ends of each group of stay cables are connected to the cross beams of the two groups of brackets in a tensioned manner;

wherein, every group cable includes two installation cables at least and is located a bearing cable of two installation cable belows, the plane at two installation cable places forms the installation face for install photovoltaic panel, the position that corresponds installation photovoltaic panel on every group cable sets up the triangular truss structure, and the triangular truss structure on two sets of adjacent cables passes through the bridging and connects.

2. The flexible photovoltaic mount of claim 1, wherein the triangular truss structure lies in a plane that forms an angle of 10-20 degrees with a vertical plane.

3. The flexible photovoltaic mount of claim 1, wherein the two mounting cables comprise an upper mounting cable and a lower mounting cable, and the cross member has a first connecting portion and a second connecting portion for connecting to the upper mounting cable and the lower mounting cable, respectively.

4. The flexible photovoltaic support of claim 3, wherein the first connection portion is an upper connection post disposed at an upper end of the beam and extending upwardly.

5. The flexible photovoltaic stent of claim 3, wherein the second connecting portion is a lower connecting column disposed at a lower end of the beam and extending downward.

6. The flexible photovoltaic bracket of claim 1, further comprising a fixing anchor pile, wherein a through hole is formed in the middle of the cross beam, and the bearing cable passes through the through hole to be fixedly connected with the fixing anchor pile.

7. The flexible photovoltaic support according to claim 1, wherein the distance between the load bearing cable of each set of tension cables near the cross beam and the two mounting cables is less than the distance between the load bearing cable of the middle portion of each set of tension cables and the two mounting cables.

8. The flexible photovoltaic mount of claim 1, wherein the mounting cables and load-bearing cables of each set of tension cables are steel strands.

9. The flexible photovoltaic support according to any one of claims 1 to 8, wherein a plurality of triangular truss structures are arranged on each group of guy wires, and the triangular truss structures are uniformly distributed along the extending direction of each group of guy wires.

10. The flexible photovoltaic bracket according to any one of claims 1 to 8, wherein a plurality of triangular truss structures are arranged on each group of the stay cables, the triangular truss structures are unevenly distributed along the extending direction of each group of the stay cables, the triangular truss structures are sparsely distributed in the middle of each group of the stay cables, and the triangular truss structures are densely distributed at two ends of each group of the stay cables.