CN215682184U

CN215682184U - Flexible photovoltaic support is used to complicated topography in mountain region

Info

Publication number: CN215682184U
Application number: CN202122161261.XU
Authority: CN
Inventors: 雷霆; 刘鹏; 周玉蓉; 彭嘉诚; 任涛; 王成川; 徐如涛; 周翔; 王志强; 李阳春
Original assignee: Jiangsu Linhang New Material Technology Co ltd
Current assignee: Jiangsu Linhang New Material Technology Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-01-28
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a flexible photovoltaic support for complex mountainous terrain, which comprises a supporting part, a flexible part and a solar module, wherein the supporting part is fixed on the ground, the flexible part is fixed on the supporting part, and the solar module is fixed on the flexible part; the supporting part comprises an upper group of end truss supports and a lower group of end truss supports, each group of end truss supports comprises a front end column, a rear end column and an end cross rod, the front end column and the rear end column are arranged in parallel, the lower ends of the end columns are hinged with an end column foundation fixed on a foundation, and the front end and the rear end of each end cross rod are respectively hinged with the upper ends of the front end column and the rear end column. The flexible photovoltaic support for the complex terrain in the mountainous region adapts to the complex terrain in the mountainous region, and a photovoltaic power station can be conveniently established only by arranging a small number of basic points at proper positions, tensioning flexible parts and installing solar assemblies on the flexible points.

Description

Flexible photovoltaic support is used to complicated topography in mountain region

Technical Field

The utility model relates to the field of solar photovoltaic new energy support engineering, in particular to a novel flexible photovoltaic support structure for a mountainous region complex terrain.

Background

Compared with photovoltaic power stations in areas such as deserts with flat terrain and Gobi deserts, the photovoltaic power stations arranged on complex mountains are limited by terrain and landform conditions, such as mountains, fluctuation and high vegetation, and therefore the installation bases must be found one by one, then the rigid supports are fixed on the installation bases, the rigid supports are higher than the vegetation, and then the photovoltaic panels are installed on the rigid supports, and the photovoltaic power stations have the following defects: firstly, the foundation is more, the steel consumption is more, and the height of the upright posts is different, so that the production cost is high and the construction difficulty is large; secondly, the photovoltaic array is dispersed and has complex subareas and high operation and maintenance cost; and thirdly, the arrays are easy to partially shield each other, and the system matching loss is large. Meanwhile, the system matrix layout has poor harmony with the nature, and the secondary utilization rate is low after the land is wasted.

Therefore, how to install the solar module to establish the photovoltaic power station by using the landform of the mountainous region is a problem which needs to be solved urgently in the solar photovoltaic industry at present.

Disclosure of Invention

The utility model aims to provide a flexible photovoltaic support for mountainous complex terrains, which is suitable for mountainous complex terrains, and can conveniently establish a photovoltaic power station by arranging a small number of basic points at appropriate positions, tensioning flexible parts and installing solar modules on the flexible parts. Therefore, the flexible photovoltaic support has good harmony with the nature, more installed capacity and generated energy of the assembly, less system matching loss, low production cost and operation and maintenance cost and higher secondary utilization rate of the land.

The utility model discloses a flexible photovoltaic support for complex mountainous terrain, which comprises a supporting part, a flexible part and a solar module, wherein the supporting part is fixed on the ground, the flexible part is fixed on the supporting part, and the solar module is fixed on the flexible part; the supporting part comprises an upper group of end truss supports and a lower group of end truss supports, each group of end truss supports comprises a front end column, a rear end column and an end cross rod, the front end column and the rear end column are arranged in parallel, the lower ends of the end columns are hinged with an end column foundation fixed on a foundation, and the front end and the rear end of each end cross rod are respectively hinged with the upper ends of the front end column and the rear end column.

Furthermore, each group of end truss supports further comprises an X-shaped pull rod I, two lower end points of the X-shaped pull rod I are fixedly connected with the end column foundations respectively, and two upper end points of the X-shaped pull rod I are fixedly connected with the front end column and the rear end column respectively and are located below the end cross rods.

Furthermore, the supporting component also comprises a plurality of groups of middle truss brackets, and the middle truss brackets are arranged between the upper end truss bracket and the lower end truss bracket; each group of middle truss supports comprises a front middle column, a rear middle column, a middle cross rod, two cross beams and four support rods; the front middle column and the rear middle column are arranged in parallel, the lower end of the middle column is hinged with a middle column foundation fixed on a foundation, and the front end and the rear end of the middle cross rod are respectively hinged with the middle ends of the front middle column and the rear middle column; the crossbeam is fixed on the middle column, and the front end and the rear end of the crossbeam are connected with the middle column through a support rod.

Furthermore, each group of middle support frames also comprises an X-shaped pull rod II, two lower end points of the X-shaped pull rod II are fixedly connected with the middle column foundation respectively, and two upper end points of the X-shaped pull rod II are fixedly connected with the middle parts of the front middle column and the rear middle column respectively and are positioned on two sides of the middle cross rod.

Furthermore, the flexible component is a plurality of steel strands which are arranged in parallel from front to back, and two ends of the steel strands are connected with the upper end truss and the lower end truss.

Further, the steel strand is fixed on end posts and intermediate posts through U-shaped buckles, and the span of the steel strand is 20-30 m.

Furthermore, the flexible component is a tensile film or an inflatable film, and two ends of the film are connected with the upper and lower end truss supports; the membrane is fixed on end posts and middle posts through connecting pieces, and the span of the membrane is 20-30 m.

Furthermore, the supporting component also comprises an upper group of tensioning supports and a lower group of tensioning supports, and the tensioning supports are arranged at the outer sides of the upper group of end truss supports and the lower group of end truss supports; each group of tensioning supports comprises a plurality of longitudinal diagonal draw bars; the lower end of the longitudinal diagonal draw bar is hinged with a diagonal draw bar foundation fixed on the foundation, and the upper end of the longitudinal diagonal draw bar is connected with a steel strand or a stretching film or an inflatable film fixed on the end post.

Compared with the traditional mountain fixed rigid photovoltaic support, the mountain fixed rigid photovoltaic support has the advantages that: the number of pile foundations is small, the number of supports is small, the steel consumption is small, and the production cost and the installation difficulty are reduced; secondly, the prestressed steel strands or the tension films are tensioned from the top of the mountain to the bottom of the mountain, so that the prestressed steel strands or the tension films have certain rigidity and can bear load, the number of supports for supporting the solar module is greatly reduced, and the production cost is reduced; thirdly, the solar component is arranged on the large-span flexible component, the photovoltaic array is concentrated and tidy, and is fully utilized without shielding, so that the installed capacity and the power generation capacity of the component are more, the system matching loss is small, and the operation and maintenance cost is low; fourthly, the coordination with nature is good and the secondary utilization rate of the land is higher.

Drawings

FIG. 1 is a front view of a flexible photovoltaic mount for complex terrain in mountainous terrain in accordance with the present invention;

FIG. 2 is a schematic view of an end truss support of the present invention;

fig. 3 is a schematic view of an intermediate truss support in the present invention.

Detailed Description

Example 1

As can be seen from fig. 1 and 2, the flexible photovoltaic bracket for complex mountainous terrain of the utility model comprises a supporting part, a flexible part 4 and a solar module 5, wherein the supporting part is fixed on the ground, the flexible part 4 is fixed on the supporting part, and the solar module is fixed on the flexible part; the supporting part comprises an upper group of end truss supports 1 and a lower group of end truss supports 1, each group of end truss supports 1 comprises a front end column 11, a rear end column 11 and an end cross rod 12, the front end column 11 and the rear end column 11 are arranged in parallel, the lower ends of the end columns 11 are hinged with an end column foundation 13 fixed on a foundation, and the front end and the rear end of the end cross rod 12 are respectively hinged with the upper ends of the front end column 11 and the rear end column 11.

Each group of end truss supports 1 further comprises an X-shaped pull rod I14, two lower end points of the X-shaped pull rods I14 are fixedly connected with the end column foundations 13 respectively, and two upper end points of the X-shaped pull rods I14 are fixedly connected with the front end column 11 and the rear end column 11 respectively and are located below the end cross rods 12. The rigidity of the end truss support 1 is further improved through the X-shaped pull rod I14, so that the end truss support 1 cannot collapse in a severe environment, and the reliable use of the flexible photovoltaic support is guaranteed.

According to the terrain of the mountainous region, the top and the bottom of the mountain are respectively provided with a group of end truss supports, the flexible parts form an angle by being supported on the end truss supports, the solar components are arranged along the direction of the flexible parts, and form an inclination angle along with the trend of the mountainous slope, so that the solar energy can be installed and used on the complex mountainous region in a 'direct and direct' manner. Wherein, when the end truss supports 1 are connected with the flexible component 4, pretension is applied to the flexible component, so that the flexible component has certain rigidity and can bear the load of a solar component, wind load, snow load and the like

Example 2

As can be seen from fig. 1 and 3, the flexible photovoltaic support for mountainous complex terrain of the utility model: the supporting component also comprises a plurality of groups of middle truss brackets 2, and the middle truss brackets 2 are arranged between the upper and lower groups of end truss brackets 1; each group of middle truss brackets 2 comprises a front middle column 21, a rear middle column 21, a middle cross rod 22, two cross beams 23 and four support rods 24; the front and rear middle columns 21 are arranged in parallel, the lower ends of the middle columns 21 are hinged with a middle column foundation 25 fixed on a foundation, and the front and rear ends of the middle cross rod 22 are respectively hinged with the middle ends of the front and rear middle columns 21; the beam 23 is fixed on the middle column 21, and the front and rear ends thereof are connected with the middle column 21 through a support rod 24.

Wherein, each group of middle brackets 2 also comprises an X-shaped pull rod II 26, two lower end points of the X-shaped pull rod II 26 are respectively fixedly connected with the middle column foundation 25, and two upper end points are respectively fixedly connected with the middle parts of the front and rear middle columns 21 and are positioned at two sides of the middle cross rod 22. The rigidity of the middle truss frame 2 is further improved by the X-shaped pull rod II 26, so that the middle truss frame 2 cannot collapse in a severe environment, and the reliable use of the flexible photovoltaic support is guaranteed.

Since the span of the flexible member is long, in order to prevent the middle part of the flexible member from being spoiled down to affect the use of the solar module, a middle support is arranged between the top and the bottom of the slope, namely on the hillside, and supports the flexible member from bottom to top. The flexible components are supported on the end truss supports and the middle truss support to form angles, and the solar components are arranged along the direction of the flexible components and form inclination angles along with the trend of a mountain slope. Wherein the height of the beam is preferably such that the flexible member does not collapse; the number of the middle trusses is determined according to the span of the flexible part.

Example 3

The utility model discloses a flexible photovoltaic support for complex mountainous terrain: the flexible member 4 may be, but is not limited to, the following structure:

the flexible component 4 is a plurality of steel strands which are arranged in parallel from front to back, and two ends of the steel strands are connected with the upper end truss support 1 and the lower end truss support 1. The steel strand is fixed on the end columns and the middle column through U-shaped buckles, and the span of the steel strand is 20-30 m.

The flexible component 4 is a stretched film or an inflatable film, and two ends of the film are connected with the upper and lower two end truss supports 1; the membrane is fixed on end posts and middle posts through connecting pieces, and the span of the membrane is 20-30 m.

The utility model can realize the solar installation from the top to the bottom of the mountain by arranging a small number of foundations on the mountain, arranging the supports on the foundations, supporting the flexible parts at proper positions by the small number of supports and installing the solar components on the supports. Therefore, the utility model realizes the small quantity of pile foundations and the small steel consumption through the large span of the flexible part, reduces the production cost and has more assembly capacity and generating capacity.

Example 4

As can be seen from fig. 1, the flexible photovoltaic support for mountainous complex terrain of the present invention: the supporting component also comprises an upper group of tensioning supports 3 and a lower group of tensioning supports 3, and the tensioning supports 3 are arranged at the outer sides of the upper group of end truss supports 1 and the lower group of end truss supports 1; each group of tensioning brackets 3 comprises a plurality of longitudinal diagonal draw bars 31; the lower end of the longitudinal diagonal draw bar 31 is hinged with a diagonal draw bar foundation 32 fixed on the foundation, and the upper end thereof is connected with a steel strand or a stretching film or an inflation film fixed on the end post 11.

The horizontal tension of the flexible component at the end part is balanced at the two ends of the end truss support 1 through the tensioning support 3, and the bearing capacity of the flexible component is improved.

The flexible photovoltaic support conforms to the complex terrain of the mountainous region, and the photovoltaic power station can be conveniently established only by arranging a small number of basic points at a proper place, installing the support on the basic points, tensioning the flexible part on the support and installing the solar assembly on the flexible part. Therefore, compared with the traditional mountain fixed rigid photovoltaic bracket, the mountain fixed rigid photovoltaic bracket has the advantages that: the number of pile foundations is small, the number of supports is small, the steel consumption is small, and the production cost and the installation difficulty are reduced; secondly, the prestressed steel strands or the tension films are tensioned from the top of the mountain to the bottom of the mountain, so that the prestressed steel strands or the tension films have certain rigidity and can bear load, the number of supports for supporting the solar module is greatly reduced, and the production cost is reduced; thirdly, the solar component is arranged on the large-span flexible component, the photovoltaic array is concentrated and tidy, and is fully utilized without shielding, so that the installed capacity and the power generation capacity of the component are more, the system matching loss is small, and the operation and maintenance cost is low; fourthly, the coordination with nature is good and the secondary utilization rate of the land is higher.

In a word, the flexible photovoltaic support has good harmony with the nature, more installed capacity and generated energy of the assembly, less system matching loss, low production cost and operation and maintenance cost and higher secondary utilization rate of the land.

Claims

1. Flexible photovoltaic support is used to complicated topography of mountain region, characterized by: the solar photovoltaic power generation system comprises a supporting part, a flexible part (4) and a solar module (5), wherein the supporting part is fixed on the ground, the flexible part (4) is fixed on the supporting part, and the solar module is fixed on the flexible part; the supporting component comprises an upper group of end truss supports (1) and a lower group of end truss supports (1), each group of end truss supports (1) comprises a front end column, a rear end column (11) and an end cross rod (12), the front end column and the rear end column (11) are arranged in parallel, the lower ends of the end columns (11) are hinged with end column foundations (13) fixed on a foundation, and the front end and the rear end of each end cross rod (12) are hinged with the upper ends of the front end column and the rear end column (11) respectively.

2. The flexible photovoltaic bracket for mountainous complex terrain as set forth in claim 1, which is characterized in that: each group of end truss supports (1) also comprises an X-shaped pull rod I (14), two lower end points of the X-shaped pull rods I (14) are fixedly connected with the end post bases (13) respectively, and two upper end points are fixedly connected with the front end post and the rear end post (11) respectively and are positioned below the end cross rods (12).

3. The flexible photovoltaic bracket for mountainous complex terrain as set forth in claim 1, which is characterized in that: the supporting component also comprises a plurality of groups of middle truss brackets (2), and the middle truss brackets (2) are arranged between the upper end truss bracket (1) and the lower end truss bracket (1); each group of middle trusses (2) comprises a front middle column (21), a rear middle column (21), a middle cross rod (22), two cross beams (23) and four support rods (24); the front middle column and the rear middle column (21) are arranged in parallel, the lower end of the middle column (21) is hinged with a middle column foundation (25) fixed on a foundation, and the front end and the rear end of the middle cross rod (22) are respectively hinged with the middle ends of the front middle column and the rear middle column (21); the beam (23) is fixed on the middle column (21), and the front end and the rear end of the beam are connected with the middle column (21) through a support rod (24).

4. The flexible photovoltaic bracket for mountainous complex terrain as set forth in claim 3, wherein: each group of middle support frames (2) also comprises an X-shaped pull rod II (26), two lower end points of the X-shaped pull rod II (26) are fixedly connected with the middle column foundation (25) respectively, and two upper end points are fixedly connected with the middle parts of the front middle column (21) and the rear middle column (21) respectively and are positioned at two sides of the middle cross rod (22).

5. The flexible photovoltaic bracket for mountainous complex terrain as set forth in claim 2, wherein: the flexible component (4) is a plurality of steel strands which are arranged in parallel from front to back, and two ends of the steel strands are connected with the upper end truss support and the lower end truss support (1).

6. The flexible photovoltaic bracket for mountainous complex terrain as set forth in claim 5, wherein: the steel strand wires are fixed on the end posts and the middle post through U-shaped buckles, and the span of the steel strand wires is 20-30 m.

7. The flexible photovoltaic bracket for mountainous complex terrain as set forth in claim 2, wherein: the flexible component (4) is a stretched film or an inflatable film, and two ends of the film are connected with the upper and lower two end truss supports (1); the membrane is fixed on end posts and middle posts through connecting pieces, and the span of the membrane is 20-30 m.

8. The flexible photovoltaic bracket for mountainous complex terrain as set forth in claim 1, which is characterized in that: the supporting component also comprises an upper group of tensioning supports (3) and a lower group of tensioning supports (3), and the tensioning supports (3) are arranged at the outer sides of the upper group of end truss supports (1) and the lower group of end truss supports (1); each group of tensioning supports (3) comprises a plurality of longitudinal diagonal draw bars (31); the lower end of the longitudinal diagonal draw bar (31) is hinged with a diagonal draw bar foundation (32) fixed on the foundation, and the upper end of the longitudinal diagonal draw bar is connected with a steel strand or a tensile membrane or an inflatable membrane fixed on the end post (11).