A column structure for a photovoltaic support and a photovoltaic support system

Abstract

This utility model belongs to the field of photovoltaic (PV) brackets, and discloses a column structure and a PV bracket. The column structure includes a column body and a reinforcing member. The reinforcing member is disposed on at least one side of the column body and extends along the height direction of the column body. At least a portion of the cross-section perpendicular to the height direction of the column body is a closed cross-section. This utility model, by providing a closed-section reinforcing member on at least one side of the column body, improves the overall bending, torsional, shear, and tensile strength compared to open-section or flat components. It also increases the contact area with the soil, further enhancing its tensile and bending strength. Furthermore, by improving the overall performance of the column body through the reinforcing member, there is no need to increase the cross-section of the column body, saving materials.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic support technology, and more particularly to a column structure and photovoltaic support for a photovoltaic support. Background Technology

[0002] In the structural system of a photovoltaic power station, the support column is a key component that supports the photovoltaic modules, tracking drive devices, and withstands external loads such as wind and snow. Its structural strength, stability, and durability directly determine the operational safety and service life of the entire power station. With the continuous expansion of the installed capacity of photovoltaic power stations, the size and weight of the modules and the wind load have all increased significantly, placing higher demands on the load-bearing capacity of the support column.

[0003] In existing technologies, in order to increase the structural strength of the column, an auxiliary pile structure is added to the column to meet the support strength requirements of the photovoltaic support. However, in existing composite columns, the auxiliary piles mostly adopt flat plate or open section form. Although such designs are easy to process and install, the open section has obvious shear hysteresis effect and low torsional stiffness. Under wind load or seismic action, it is easy to undergo local buckling or torsional deformation, which leads to limited overall bearing capacity. The strength of the auxiliary pile is difficult to fully meet the support strength requirements. Utility Model Content

[0004] The purpose of this application is to provide a column structure and photovoltaic support for a photovoltaic system, which improves the support strength, bending resistance, and torsional resistance of the column, thereby meeting the usage requirements of photovoltaic power plants in different application scenarios.

[0005] The technical solution provided in this application is as follows:

[0006] On the one hand, a column structure for a photovoltaic support system is provided, comprising:

[0007] Column body;

[0008] A reinforcing member is disposed on at least one side of the column body, the reinforcing member extending along the height direction of the column body, and having a closed cross section in at least a portion of its cross section perpendicular to the height direction.

[0009] In some embodiments, the reinforcing member is disposed on at least one side of the column body along the weak axis direction.

[0010] In some embodiments, the reinforcing members are disposed on both sides of the column body along the weak axis direction.

[0011] In some embodiments, the two reinforcing members are arranged symmetrically on both sides of the column body.

[0012] In some embodiments, the high end of the reinforcing member is provided with a first inclined portion, the high end of the first inclined portion is located on the side where the reinforcing member is attached to the column body, and the low end of the first inclined portion is located on the side of the reinforcing member away from the column body.

[0013] The height of the fixed connection point between the portion of the reinforcing member corresponding to the first inclined portion and the column body is greater than the height of the lower end of the first inclined portion.

[0014] In some embodiments, the lower end of the reinforcing member is provided with a second inclined portion, the lower end of the second inclined portion is located on the side where the reinforcing member is attached to the column body, and the upper end of the second inclined portion is located on the side of the reinforcing member away from the column body.

[0015] The height of the fixed connection point between the part of the reinforcing member corresponding to the second inclined portion and the column body is less than the height of the high end of the second inclined portion.

[0016] In some embodiments, the lower end of the reinforcing member is flush with the bottom of the column body; or, in the height direction, the distance between the lower end of the reinforcing member and the top of the column body is less than the distance between the bottom of the column body and the top of the column body.

[0017] In some embodiments, after the column structure of the photovoltaic bracket is buried in the ground, in the height direction, the distance between the high end of the reinforcing member and the top of the column body is not less than the distance between the ground and the top of the column body; or, the distance between the ground and the top of the column body is greater than the distance between the high end of the reinforcing member and the top of the column body and less than the distance between the low end of the reinforcing member and the top end of the column body.

[0018] In some embodiments, the reinforcing member is a hollow structure; and / or the closed cross section is any one of a rectangle, a square, an equilateral polygon, or an scalene polygon.

[0019] On the other hand, a photovoltaic support is also provided, including the column structure of the photovoltaic support described in any of the above embodiments.

[0020] The technical advantages of this application are as follows: By adding reinforcing members to the column body, and these reinforcing members having a closed cross-section, the contact area with the soil is increased compared to open cross-sections or flat plates, thus improving its tensile strength and bending performance. Simultaneously, compared to open cross-sections of the same area, the closed cross-section reinforcing members possess larger second moments and polar moments of inertia, which improves overall bending and torsional performance, significantly reducing the lateral displacement and torsional angle of the photovoltaic system under wind loads. Furthermore, the closed annular wall panels of the reinforcing members are mutually supported on all four sides, with no free edges, allowing the reinforcing members to withstand greater axial pressure with the same wall thickness. Under the same axial pressure, the wall thickness or cross-sectional dimensions of the reinforcing members can be reduced, lowering material usage and thus saving costs. Attached Figure Description

[0021] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments:

[0022] Figure 1 This is a schematic diagram of the column structure of a photovoltaic support provided in one embodiment of this application;

[0023] Figure 2 This is a schematic diagram of the column structure of a photovoltaic support provided in another embodiment of this application;

[0024] Figure 3 This is a schematic diagram of the column structure of a photovoltaic support provided in another embodiment of this application;

[0025] Figure 4 yes Figure 1 Enlarged view of point A in the middle.

[0026] Explanation of icon numbers:

[0027] 100. Column body; 110. Web plate; 120. Wing plate; 200. Reinforcing member; 210. First inclined part; 220. Second inclined part; 230. First side plate; 240. Second side plate. Detailed Implementation

[0028] In the following description, specific details such as particular system architectures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of this application. However, those skilled in the art will understand that this application can also be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods have been omitted so as not to obscure the description of this application with unnecessary detail.

[0029] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the specific implementation methods of this application will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without creative effort.

[0030] To keep the drawings concise, each drawing only schematically shows the parts relevant to this application, and they do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of the components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one."

[0031] It should also be further understood that the term “and / or” as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0032] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; or they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0033] In the embodiments shown in the accompanying drawings, the directional indications (such as up, down, left, right, front, and back) are relative rather than absolute when describing the structure and movement of the various components, and are not intended to limit the direction of the product during actual use.

[0034] Furthermore, in the description of this application, ordinal numbers, such as "first" and "second," are used only to distinguish related objects and should not be construed as indicating or implying the relative importance or order between related objects.

[0035] It should be noted that the height direction mentioned below in this application refers to the length direction or extension direction of the column body 100 after the photovoltaic support column structure is installed on the ground. The column body 100 includes a bottom near the ground and a top for installing photovoltaic modules. The bottom and top are located at opposite ends of the column body 100 along the height direction. The high end of a structure refers to the end of the structure away from the bottom of the column body 100 along the height direction. The low end of a structure refers to the end of the structure close to the bottom of the column body 100 along the height direction. The height of a structure refers to the distance between the structure and the bottom of the column body 100 along the height direction.

[0036] like Figure 1 As shown, in one or more embodiments, this disclosure provides a column structure for a photovoltaic support, including a column body 100 and a reinforcing member 200; the reinforcing member 200 is disposed on at least one side of the column body 100, the reinforcing member 200 extends along the height direction of the column body 100, and at least a portion of the cross-section perpendicular to the height direction of the column body 100 is a closed section.

[0037] Specifically, the reinforcing member 200 is disposed on at least one side of the column body 100 in the circumferential direction. During installation, the reinforcing member 200 is buried underground along with the bottom of the column body 100. The reinforcing member 200 adopts a three-dimensional structure, and at least a portion of its cross-section along the height direction perpendicular to the column body 100 is a closed section. A closed section refers to a continuous, closed annular section without openings. When viewed along a cutting plane perpendicular to the height direction of the column body 100, at least a portion of the cross-sectional outline of the reinforcing member 200 is a continuous closed curve without any gaps or seams. In this embodiment, the shape of the closed section of the reinforcing member 200 along the height direction perpendicular to the column body 100 is any one of a rectangle, a square, an equilateral polygon, or a scalene polygon. Of course, the cross-section of the reinforcing member 200 can also be other closed sections, as long as at least a portion of the cross-section of the reinforcing member 200 is a closed section, regardless of the shape of the closed section, it is within the protection scope of this application.

[0038] The reinforcing member 200 is hollow in the middle. The wall panels of the reinforcing member 200 are joined end-to-end circumferentially to form a closed cavity with openings at both ends. This allows the reinforcing member 200 to increase the bending resistance of the column body 100 without affecting piling. During piling, excess soil generated during piling is discharged through the hollow part of the reinforcing member 200, ensuring smooth installation of the column body 100. When the column is being piled, the reinforcing member 200 is driven into the ground along with the column body 100. Soil fills the hollow structure of the reinforcing member 200, improving the bending, torsional, and shear resistance of the column body 100 without increasing its cross-section, thus saving materials.

[0039] At least a portion of the cross-sectional shape of the reinforcing member 200 is a closed structure, which increases the contact area with the soil compared to open sections or flat plates, further improving its tensile strength and bending performance. Simultaneously, compared to open sections of the same area (such as C-shaped, U-shaped, H-shaped, and I-shaped), the closed-section reinforcing member 200 possesses a larger second moment and polar moment of inertia, improving overall bending and torsional performance and significantly reducing the lateral displacement and torsional angle of the photovoltaic tracking system under wind loads. Furthermore, the cross-section of the reinforcing member 200 is a closed ring structure, with the closed ring wall panels mutually supporting each other and having no free edges. This allows the reinforcing member 200 to withstand greater axial pressure with the same wall thickness. Under the same axial pressure, the wall thickness or cross-sectional dimensions of the reinforcing member 200 can be reduced, decreasing material usage and thus saving costs.

[0040] This embodiment does not limit the cross-sectional shape of the column body 100. The cross-sectional shape of the column body 100 can be H-beam, C-beam, or I-beam. Of course, any other cross-sectional shape of steel also falls within the protection scope of this embodiment. This embodiment does not specifically limit the number of reinforcing members 200. The number of reinforcing members 200 can be one or more. For example, a reinforcing member 200 can be provided only on one side of the column body 100, or reinforcing members 200 can be provided on both sides or multiple sides of the column body 100. When multiple reinforcing members 200 are provided on the column body 100, the multiple reinforcing members 200 can be arranged symmetrically or asymmetrically. This embodiment does not impose any limitations.

[0041] The more stiffeners 200 there are, the better the support strength and bending and torsional resistance of the column body 100. However, the more stiffeners 200 there are, the higher the cost. Therefore, in practical applications, the number of stiffeners 200 can be set according to the support strength, bending and torsional resistance required by the column body 100 under the design load, in order to achieve a balance between structural safety and cost. Usually, the number of stiffeners 200 is controlled to 1-3 on each column body 100, and the optimal arrangement is determined through finite element analysis or field load tests.

[0042] In this embodiment, by providing a closed-section reinforcing member 200 on at least one side of the column body 100, compared with an open section or a flat plate, not only is the overall bending, torsional, shear and pull-out resistance improved, but the contact area with the soil is also increased, further improving its pull-out resistance and bending performance. In addition, by providing the reinforcing member 200 to improve the overall performance of the column body 100, there is no need to increase the cross-section of the column body 100, thus saving materials.

[0043] like Figure 1As shown, the column body 100 includes a web 110 and flanges 120 disposed on both sides of the web 110, with the two flanges 120 forming a groove with the web 110. For example, as shown... Figure 1 As shown, when there is only one reinforcing member 200, it is positioned within the groove between the two flanges 120, and one side of the reinforcing member 200 is fitted against the web 110. The reinforcing member 200 can be positioned by the two flanges 120, allowing for quick alignment and installation on-site without the need for additional positioning fixtures. Figure 2 As shown, when there are two reinforcing members 200, one reinforcing member 200 is disposed on one side of the web 110, and the other reinforcing member 200 is disposed on the other side of the web 110. Figure 3 As shown, when there are three reinforcing members 200, two reinforcing members 200 are respectively disposed on both sides of the web plate 110, and the third reinforcing member 200 is disposed on the outer side of the wing plate 120. When there are four reinforcing members 200, two reinforcing members 200 are respectively disposed on both sides of the web plate 110, the third reinforcing member 200 is disposed on the outer side of one wing plate 120, and the fourth reinforcing member 200 is disposed on the outer side of the other wing plate 120.

[0044] In some embodiments, such as Figure 1 As shown, the reinforcing member 200 is disposed on at least one side of the column body 100 along the weak axis direction. The strong axis and weak axis of the column body 100 are defined according to the cross-sectional shape and force direction of the column body 100. For example, in open thin-walled sections such as H-beams, I-beams, and C-beams, the method for defining the strong axis and weak axis is as follows: first, the column body 100 is cut along a direction perpendicular to its length (height direction) to obtain the cross-sectional profile of the column body 100. The cross-sectional profile of the column body 100 has two mutually perpendicular principal axes passing through its centroid. The moment of inertia has two values ​​in these two axial directions, where the weak axis refers to the direction with a smaller moment of inertia and the strong axis refers to the direction with a larger moment of inertia. Figure 1 As shown, arrow a indicates the direction of the strong axis, and arrow b indicates the direction of the weak axis.

[0045] The reinforcing member 200 is disposed on one side of the column body 100 along the weak axis direction, which can increase the moment of inertia of the weak axis of the column body 100, thereby reducing the lateral displacement of the column body 100 under wind load. When the reinforcing member 200 is located in the weak axis direction of the column body 100, it can also increase the overall torsional stiffness of the column body 100, effectively suppressing the torsional vibration of the photovoltaic system caused by wind.

[0046] In some embodiments, such as Figure 2As shown, reinforcing members 200 are disposed on both sides of the column body 100 along the weak axis direction. Arranging one reinforcing member 200 on each side of the weak axis direction of the column body 100 further enhances the moment of inertia of the weak axis. When a reinforcing member 200 is placed on one side of the column body 100, an eccentric moment is generated, and wind loads induce torque on the column body 100. With reinforcing members 200 placed on both sides of the column body 100, the column body 100 no longer bears additional torque, resulting in a more balanced force distribution and improved service life.

[0047] Furthermore, the two reinforcing members 200 are symmetrically arranged on both sides of the column body 100, that is, the two reinforcing members 200 are symmetrically arranged about the strong axis of the column body 100. During installation, one bolt can be used to fix one end of both reinforcing members 200 to the column body 100 by passing through it simultaneously, and another bolt can be used to fix the other end of both reinforcing members 200 to the column body 100 by passing through it simultaneously. This not only saves on the number of fasteners but also simplifies the installation process. In addition to bolts, the reinforcing members 200 can also be fixed to the column body 100 by riveting, welding, or other methods.

[0048] In some embodiments, such as Figure 4 As shown, the high end of the reinforcing member 200 is also provided with a first inclined portion 210. The high end h1 of the first inclined portion 210 is located on the side where the reinforcing member 200 is attached to the column body 100, and the low end h2 of the first inclined portion 210 is located on the side of the reinforcing member 200 away from the column body 100.

[0049] One side of the reinforcing member 200 is attached to the column body 100. The first inclined portion 210 gradually decreases in height from the side where the reinforcing member 200 is attached to the column body 100 towards the side away from the column body 100, so that the high end h1 of the first inclined portion 210 is attached to the column body 100, and the low end h2 faces outward from the column body 100. The high end h1 of the first inclined portion 210 refers to the higher end of the first inclined portion 210 along the height direction of the column body 100, and the low end h2 refers to the lower end of the first inclined portion 210 along the height direction of the column body 100. Providing the first inclined portion 210 at the top of the reinforcing member 200 not only saves material costs but also facilitates the removal of soil generated during piling. It should be noted that after the first inclined portion 210 is provided on the reinforcing member 200, only the cross-section of the area where the first inclined portion 210 is located is a non-closed cross-section, while the cross-section of the remaining areas of the reinforcing member 200 is still a continuous closed cross-section, so that the reinforcing member 200 as a whole is still a closed member in the circumferential direction, and the reinforcing member 200 can still improve the support strength and bending and torsional performance of the column body 100.

[0050] Understandably, when the first inclined portion 210 is not provided at the top of the reinforcing member 200, the cross-section of the reinforcing member 200 is a continuous closed section throughout its entire length. After the first inclined portion 210 is provided at the top of the reinforcing member 200, the cross-section of the reinforcing member 200 becomes an open section in the area of ​​the first inclined portion 210, but the cross-section of the reinforcing member 200 remains a closed section in the area outside the first inclined portion 210, in order to improve the tensile strength and bending resistance of the column body 100. Here, the length direction of the reinforcing member 200 is the height direction of the column body 100, and the cross-section of the reinforcing member 200 refers to the section of the reinforcing member 200 perpendicular to the height direction of the column body 100. In this embodiment, the inclination angle of the first inclined portion 210 can be set according to actual needs. For example, the angle between the first inclined portion 210 and the height direction of the column body 100 ranges from 30° to 60°, and the first inclined portion 210 accounts for 10% to 30% of the total length of the reinforcing member 200.

[0051] Furthermore, such as Figure 4As shown, the height of the fixed connection point between the portion of the reinforcing member 200 corresponding to the first inclined portion 210 and the column body 100 is higher than the height of the lower end h2 of the first inclined portion 210. The upper end of the reinforcing member 200 is fixedly connected to the web of the column body 100 by bolts or riveting, etc. The height of this connection point is higher than the height of the lower end h2 of the first inclined portion 210, so that the connection point between the portion of the reinforcing member 200 corresponding to the first inclined portion 210 and the column body 100 is exposed through the first inclined portion 210, so as to avoid the connection point between the portion of the reinforcing member 200 corresponding to the first inclined portion 210 and the column body 100 being blocked by the side plate of the reinforcing member 200, thereby facilitating the installation of bolts, etc., and making the fixed connection between the reinforcing member 200 and the column body 100 simpler and faster.

[0052] In some embodiments, such as Figure 4 As shown, the lower end of the reinforcing member 200 is also provided with a second inclined portion 220. The lower end h3 of the second inclined portion 220 is located on the side where the reinforcing member 200 is attached to the column body 100, and the upper end h4 of the second inclined portion 220 is located on the side of the reinforcing member 200 away from the column body 100.

[0053] The second inclined portion 220 gradually rises from the side where the reinforcing member 200 is attached to the column body 100 towards the side away from the column body 100, so that the lower end h3 of the second inclined portion 220 is attached to the column body 100, and the higher end h4 of the second inclined portion 220 faces outward from the column body 100. The higher end h4 of the second inclined portion 220 refers to the higher end of the second inclined portion 220 along the height direction of the column body 100, and the lower end h3 of the second inclined portion 220 refers to the lower end of the second inclined portion 220 along the height direction of the column body 100. Providing the second inclined portion 220 at the bottom end of the reinforcing member 200 not only saves material costs but also provides a positioning function during piling, facilitating the smooth hammering of the column body 100.

[0054] When the first inclined portion 210 and the second inclined portion 220 are simultaneously provided on the reinforcing member 200, the cross-section of the area on the reinforcing member 200 other than the first inclined portion 210 and the second inclined portion 220 remains a closed section to maintain the sealing of the reinforcing member 200. In this embodiment, the inclination angle of the second inclined portion 220 can be set according to actual needs. For example, the angle between the second inclined portion 220 and the column body 100 in the height direction ranges from 30° to 60°, and the second inclined portion 220 accounts for 10% to 30% of the total length of the reinforcing member 200.

[0055] like Figure 4As shown, the reinforcing member 200 includes a first side plate 230 and a second side plate 240 disposed opposite to each other. The first side plate 230 is fitted to the web plate 110. After the first inclined portion 210 and the second inclined portion 220 are provided on the reinforcing member 200, the length of the second side plate 240 is less than the length of the first side plate 230.

[0056] Furthermore, such as Figure 4 As shown, the height of the fixed connection point between the portion of the reinforcing member 200 corresponding to the second inclined portion 220 and the column body 100 is lower than the height of the high end h4 of the second inclined portion 220. The portion of the reinforcing member 200 corresponding to the second inclined portion 220 is fixedly connected to the web of the column body 100 by bolts or riveting. The height of this connection point is lower than the height of the high end h4 of the second inclined portion 220, so that the connection between the portion of the reinforcing member 200 corresponding to the second inclined portion 220 and the column body 100 is exposed through the second inclined portion 220. This avoids the lower end of the reinforcing member 200 being blocked by the side plate of the reinforcing member 200, thus facilitating the installation of bolts, etc., and making the fixed connection between the reinforcing member 200 and the column body 100 simpler and faster. Furthermore, by connecting the portion of the reinforcing member 200 corresponding to the first inclined portion 210 and the portion of the reinforcing member 200 corresponding to the second inclined portion 220 to the column body 100 by means of bolts or rivets, the firmness of the connection between the reinforcing member 200 and the column body 100 is increased, thereby ensuring the stability of the column structure.

[0057] In some embodiments, the lower end of the reinforcing member 200 is flush with the bottom of the column body 100. In other embodiments, the distance between the lower end of the reinforcing member 200 and the top of the column body 100 in the height direction is less than the distance between the bottom and the top of the column body 100. This embodiment does not limit the height of the reinforcing member 200 on the column body 100. In practical applications, the height and position of the reinforcing member 200 on the column body 100 can be adjusted according to usage requirements to adapt to different terrains and installation conditions, improve the support strength and bending resistance of the column, and ensure the stability of the photovoltaic support.

[0058] In some embodiments, after the photovoltaic support column structure is buried in the ground, the distance between the high end of the reinforcing member 200 and the top of the column body 100 in the height direction is not less than the distance between the ground and the top of the column body 100. That is, after the column structure is buried in the ground, the high end of the reinforcing member 200 is flush with the ground or the distance between the high end of the reinforcing member 200 and the top of the column body 100 is greater than the distance between the ground and the top of the column body 100. The reinforcing member 200 is completely buried in the ground, allowing more soil to be filled inside the reinforcing member 200, thereby further improving the bending, torsional, and shear resistance of the column structure and thus improving the stability of the photovoltaic support. In another embodiment, the distance between the ground and the top of the column body 100 is greater than the distance between the high end of the reinforcing member 200 and the top of the column body 100, but less than the distance between the low end of the reinforcing member 200 and the top of the column body 100. That is, the ground is located between the high end and the low end of the reinforcing member 200, with part of the reinforcing member 200 buried below the ground and the other part exposed above the ground. This arrangement allows the column body 100 and the reinforcing member 200 to be hammered into the ground simultaneously without needing to be connected. Depending on the actual situation, one of the column body 100 or the reinforcing member 200 can be hammered into the ground first, and then the other can be hammered into the ground at an appropriate time, making the operation more flexible. The part of the reinforcing member 200 buried below the ground is used to increase the contact area with the soil, thereby further improving its pull-out resistance and bending resistance. The part of the reinforcing member 200 exposed above the ground is used to achieve the connection with the column body 100, thereby ensuring the overall stability of the column structure.

[0059] In some embodiments, this disclosure also provides a photovoltaic support structure, including the column structure of the photovoltaic support structure described in any of the above embodiments. For example... Figures 1 to 4 As shown, the photovoltaic support column structure includes a column body 100 and a reinforcing member 200. The cross-section of the reinforcing member 200 is a closed section. The reinforcing member 200 and the column body 100 form a parallel force-bearing system, so that the strength, bending resistance and torsional resistance of the photovoltaic support are enhanced simultaneously. In addition, under the premise of ensuring structural safety, the amount of steel used can be reduced, saving costs and significantly improving the cost competitiveness of the photovoltaic power station.

[0060] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail or recorded in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0061] It should be noted that the above embodiments can be freely combined as needed. The above description is only a preferred embodiment of this application. It should be pointed out that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the protection scope of this application.

Claims

1. A column structure for a photovoltaic support, characterized in that, include: Column body; A reinforcing member is disposed on at least one side of the column body, the reinforcing member extending along the height direction of the column body, and having a closed cross section in at least a portion of its cross section perpendicular to the height direction.

2. The column structure of a photovoltaic support according to claim 1, characterized in that, The reinforcing member is disposed on at least one side of the column body along the weak axis direction.

3. The column structure of a photovoltaic support according to claim 1, characterized in that, The reinforcing members are disposed on both sides of the column body along the weak axis direction.

4. The column structure of a photovoltaic support according to claim 3, characterized in that, The two reinforcing members are symmetrically arranged on both sides of the column body.

5. The column structure of a photovoltaic support according to claim 1, characterized in that, The high end of the reinforcing member is provided with a first inclined portion, the high end of the first inclined portion is located on the side where the reinforcing member is attached to the column body, and the low end of the first inclined portion is located on the side of the reinforcing member away from the column body. The height of the fixed connection point between the portion of the reinforcing member corresponding to the first inclined portion and the column body is greater than the height of the lower end of the first inclined portion.

6. The column structure of a photovoltaic support according to claim 1, characterized in that, The lower end of the reinforcing member is provided with a second inclined portion, the lower end of the second inclined portion is located on the side where the reinforcing member is attached to the column body, and the upper end of the second inclined portion is located on the side of the reinforcing member away from the column body. The height of the fixed connection point between the part of the reinforcing member corresponding to the second inclined portion and the column body is less than the height of the high end of the second inclined portion.

7. The column structure of a photovoltaic support according to any one of claims 1-6, characterized in that, The lower end of the reinforcing member is flush with the bottom of the column body; or, in the height direction, the distance between the lower end of the reinforcing member and the top of the column body is less than the distance between the bottom of the column body and the top of the column body.

8. The column structure of a photovoltaic support according to any one of claims 1-6, characterized in that, After the photovoltaic support column structure is buried in the ground, in the height direction, the distance between the high end of the reinforcing member and the top of the column body is not less than the distance between the ground and the top of the column body; or, the distance between the ground and the top of the column body is greater than the distance between the high end of the reinforcing member and the top of the column body and less than the distance between the low end of the reinforcing member and the top end of the column body.

9. The column structure of a photovoltaic support according to claim 1, characterized in that, The reinforcing member is a hollow structure; and / or, The closed section is an equilateral polygon or an irregular polygon.

10. A photovoltaic support structure, characterized in that, The column structure includes the photovoltaic support structure according to any one of claims 1-9.

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