Photovoltaic support foundation against wind and sand erosion

Abstract

The application discloses a wind-sand erosion-preventing photovoltaic support foundation, which comprises a first base groove, a plurality of base piles, a pressure-bearing assembly and a compression layer, the plurality of base piles are arranged on the bottom surface of the first base groove along the length direction of the first base groove, and at least part of the base piles extends out of the bottom surface of the first base groove, the pressure-bearing assembly comprises a pressure-bearing plate and a plurality of anchoring pieces, the pressure-bearing plate is arranged around the outer periphery of the base piles, and the pressure-bearing plate is arranged on the bottom surface of the first base groove, the plurality of anchoring pieces are arranged in the circumferential direction of the pressure-bearing plate, and the anchoring pieces are used for connecting the pressure-bearing plate and the groove edge of the first base groove, and the compression layer is arranged on the top surface of the pressure-bearing plate, and the outer periphery of the compression layer is connected with the groove edge of the first base groove. The wind-sand erosion-preventing photovoltaic support foundation of the application replaces the original sand and gravel layer foundation around the base piles to form a new solid foundation, so that the influence of wind-sand erosion is resisted, and the stability of the photovoltaic support foundation is improved.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic power generation technology, specifically to a photovoltaic support foundation that is resistant to wind and sand erosion. Background Technology

[0002] Under the dual-carbon context, the construction of desert photovoltaic bases is one of the main ways to intensively utilize solar energy. This involves installing large-area photovoltaic panels deep in the desert to utilize the abundant solar energy resources in the desert region, obtaining clean electricity while avoiding the occupation of large amounts of arable land or forest land.

[0003] In related technologies, photovoltaic panels are usually installed using photovoltaic brackets. However, due to the strong winds in desert areas, the foundation of the photovoltaic bracket is prone to collapse due to wind and sand erosion, affecting the stability of the photovoltaic bracket foundation. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a photovoltaic support foundation with wind and sand erosion resistance, which addresses the defects and deficiencies of the existing technology. The photovoltaic support foundation with wind and sand erosion resistance replaces the original gravel foundation around the foundation pile to form a new solid foundation, thereby resisting the influence of wind and sand erosion and improving the stability of the photovoltaic support foundation.

[0005] The photovoltaic support foundation for wind and sand erosion prevention of the present invention includes: a first foundation trench and a plurality of foundation piles, wherein the plurality of foundation piles are spaced apart along the length direction of the first foundation trench on the bottom surface of the first foundation trench, and at least a portion of the foundation piles extends out of the bottom surface of the first foundation trench; a pressure-bearing component, wherein the pressure-bearing component includes a pressure-bearing plate and a plurality of anchors, wherein the pressure-bearing plate is circumferentially disposed around the outer periphery of the foundation piles and is laid on the bottom surface of the first foundation trench, and the plurality of anchors are spaced apart along the circumferential direction of the pressure-bearing plate, wherein the anchors are used to connect the pressure-bearing plate and the trench edge of the first foundation trench; and a clamping layer, wherein the clamping layer is laid on the top surface of the pressure-bearing plate, and the outer periphery of the clamping layer is connected to the trench edge of the first foundation trench.

[0006] According to an embodiment of the present invention, a photovoltaic support structure for preventing wind and sand erosion comprises multiple foundation piles spaced apart along the length of a first foundation trench on the bottom surface of the trench, with at least a portion of the foundation piles extending beyond the bottom surface of the trench. The pressure-bearing component includes a pressure plate and multiple anchors. The pressure plate is circumferentially arranged around the foundation piles and laid on the bottom surface of the first foundation trench. Multiple anchors are spaced apart circumferentially along the pressure plate and are used to connect the pressure plate to the edge of the first foundation trench. A clamping layer is laid on the top surface of the pressure plate, and its outer periphery is connected to the edge of the first foundation trench. Thus, in the photovoltaic support foundation for preventing wind and sand erosion of the present application, a first foundation trench is excavated around the foundation piles, and a pressure-bearing component and a clamping layer are arranged sequentially from bottom to top within the first foundation trench. This replaces the original gravel foundation around the foundation piles, forming a new, solid foundation to resist the effects of wind and sand erosion and improve the stability of the photovoltaic support foundation.

[0007] In addition, in the pressure-bearing component, the inner periphery of the pressure plate is connected to the outer periphery of the foundation pile, and the outer periphery of the pressure plate is connected to the edge of the first foundation trench through anchors. Under the restraint of the foundation pile and the anchoring effect of the anchors, the pressure plate can maintain balance under the downward pressure of the compression layer, thereby preventing the compression layer from overturning, improving the stability of the compression layer, and improving the applicability of the photovoltaic support foundation with wind and sand erosion protection of this application.

[0008] In some embodiments, the photovoltaic support foundation for wind and sand erosion prevention further includes a second base trench and a covering layer. The second base trench is located on top of the first base trench, and the width of the second base trench is greater than that of the first base trench. The covering layer is laid on the top surface of the compression layer, and the outer periphery of the covering layer is connected to the edge of the second base trench.

[0009] In some embodiments, the distance between the pile and the sides of the first trench is the same, the diameter of the pile is R, the depth of the first trench is H1, then 0.5R≤H1≤2R, and the width of the first trench is W1, then R≤W1≤4R.

[0010] In some embodiments, the distance between the foundation pile and the two sides of the second foundation trench is the same, the depth of the second foundation trench is H2, then 0.25R≤H2≤R, and the width of the second foundation trench is W2, then 2R≤W2≤8R.

[0011] In some embodiments, the compression layer includes a plurality of sandbags arranged sequentially along the width direction of the first base groove; and / or, the covering layer includes a plurality of sandbags arranged sequentially along the width direction of the second base groove.

[0012] In some embodiments, adjacent sandbags are connected to each other by connectors.

[0013] In some embodiments, the connector includes a retaining ring and a locking rope, the retaining ring being disposed on the outer surface of the sandbag, and the locking rope passing through the retaining ring to connect adjacent sandbags to each other.

[0014] In some embodiments, the sandbag and the locking rope are made of a biodegradable material.

[0015] In some embodiments, the pressure plate is an annular plate, and the annular plate includes multiple arc segments.

[0016] In some embodiments, the anchor is an anchor rod, one end of which is connected to the pressure plate, and the other end extends into the edge of the first base groove. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a photovoltaic support foundation for preventing wind and sand erosion according to an embodiment of the present invention.

[0018] Figure 2 This is a top view of a photovoltaic support foundation for wind and sand erosion protection according to an embodiment of the present invention.

[0019] Figure 3 This is a schematic diagram of the pressure-bearing component of a photovoltaic support foundation for wind and sand erosion protection according to an embodiment of the present invention.

[0020] Figure 4 This is a schematic diagram of the connecting component of the photovoltaic support foundation for wind and sand erosion protection according to an embodiment of the present invention.

[0021] Figure label:

[0022] 1. First foundation trench; 2. Second foundation trench; 3. Foundation pile; 4. Pressure-bearing component; 41. Pressure-bearing plate; 42. Anchor; 5. Compacting layer; 51. Sandbag; 6. Covering layer; 7. Connector; 71. Fixing ring; 72. Locking rope. Detailed Implementation

[0023] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0024] like Figures 1-4 As shown, the photovoltaic support foundation for wind and sand erosion prevention in this embodiment of the invention includes a first foundation trench 1, multiple foundation piles 3, a pressure-bearing component 4, and a clamping layer 5.

[0025] Specifically, multiple foundation piles 3 are spaced apart along the length of the first foundation trench 1 on the bottom surface of the first foundation trench 1, and at least a portion of the foundation piles 3 extend out of the bottom surface of the first foundation trench 1. The pressure-bearing component 4 includes a pressure-bearing plate 41 and multiple anchors 42. The pressure-bearing plate 41 is arranged around the outer periphery of the foundation piles 3 and is laid on the bottom surface of the first foundation trench 1. Multiple anchors 42 are arranged spaced apart along the circumference of the pressure-bearing plate 41. The anchors 42 are used to connect the pressure-bearing plate 41 and the trench edge of the first foundation trench 1. The compression layer 5 is laid on the top surface of the pressure-bearing plate 41, and the outer periphery of the compression layer 5 is connected to the trench edge of the first foundation trench 1.

[0026] It should be noted that in traditional technologies, the foundation surface of photovoltaic support structures in desert areas is a gravel layer. Due to the blocking effect of the piles 3, the gravel around the piles 3 is severely affected by wind and sand erosion, easily forming sunken holes, which weakens the bearing capacity of the piles 3 and may even damage the pile structure. However, in the photovoltaic support foundation with wind and sand erosion protection proposed in this application, a first trench 1 is excavated around the piles 3. In the first trench 1, a pressure-bearing component 4 and a compaction layer 5 (such as...) are arranged sequentially from bottom to top. Figure 1 (As shown in the up and down direction), the compaction layer 5 can replace the original gravel layer, forming a new solid foundation around the foundation pile 3, avoiding wind and sand erosion, and improving the stability of the photovoltaic support foundation.

[0027] It is understood that in the pressure-bearing component 4, the inner periphery of the pressure plate 41 is connected to the outer periphery of the foundation pile 3, and the outer periphery of the pressure plate 41 is connected to the edge of the first foundation trench 1 through the anchor 42. Under the restraint of the foundation pile 3 and the anchoring effect of the anchor 42, the pressure plate 41 can maintain balance under the downward pressure of the compression layer 5, thereby preventing the compression layer 5 from overturning, improving the stability of the compression layer 5, and improving the applicability of the photovoltaic support foundation with wind and sand erosion protection of this application.

[0028] According to an embodiment of the present invention, a photovoltaic support structure for preventing wind and sand erosion comprises multiple foundation piles spaced apart along the length of a first foundation trench on the bottom surface of the trench, with at least a portion of the foundation piles extending beyond the bottom surface of the trench. The pressure-bearing component includes a pressure plate and multiple anchors. The pressure plate is circumferentially arranged around the foundation piles and laid on the bottom surface of the first foundation trench. Multiple anchors are spaced apart circumferentially along the pressure plate and are used to connect the pressure plate to the edge of the first foundation trench. A clamping layer is laid on the top surface of the pressure plate, and its outer periphery is connected to the edge of the first foundation trench. Thus, in the photovoltaic support foundation for preventing wind and sand erosion of the present application, a first foundation trench is excavated around the foundation piles, and a pressure-bearing component and a clamping layer are arranged sequentially from bottom to top within the first foundation trench. This replaces the original gravel foundation around the foundation piles, forming a new, solid foundation to resist the effects of wind and sand erosion and improve the stability of the photovoltaic support foundation.

[0029] In addition, in the pressure-bearing component, the inner periphery of the pressure plate is connected to the outer periphery of the foundation pile, and the outer periphery of the pressure plate is connected to the edge of the first foundation trench through anchors. Under the restraint of the foundation pile and the anchoring effect of the anchors, the pressure plate can maintain balance under the downward pressure of the compression layer, thereby preventing the compression layer from overturning, improving the stability of the compression layer, and improving the applicability of the photovoltaic support foundation with wind and sand erosion protection of this application.

[0030] Furthermore, such as Figure 1 and Figure 2 As shown, the photovoltaic support foundation for wind and sand erosion prevention also includes a second base trench 2 and a covering layer 6. The second base trench 2 is located on top of the first base trench 1, and the width of the second base trench 2 is greater than that of the first base trench 1. The covering layer 6 is laid on the top surface of the pressing layer 5, and the outer periphery of the covering layer 6 is connected to the trench edge of the second base trench 2.

[0031] Understandably, a second foundation trench 2 can be excavated on the top of both sides of the first foundation trench 1 to set a cover layer 6. The cover layer 6 can protect the compaction layer 5 on top of the compaction layer 5, prevent the compaction layer 5 from being directly damaged by wind and sand erosion, and improve the durability of the compaction layer 5. In addition, the downward pressure of the cover layer 6 on the compaction layer 5 can also maintain the balance of the compaction layer 5, prevent the compaction layer 5 from overturning, and improve the stability of the compaction layer 5.

[0032] Furthermore, such as Figure 1 and Figure 2 As shown, the distance between the pile 3 and the two sides of the first trench 1 is the same. The diameter of the pile 3 is R, the depth of the first trench 1 is H1, then 0.5R≤H1≤2R, and the width of the first trench 1 is W1, then R≤W1≤4R.

[0033] In other words, the excavation areas of the first trench 1 on both sides of the pile 3 are the same. As a result, the compaction layer 5 is symmetrically arranged on both sides of the pile 3, so that the load generated on both sides of the pile 3 is the same, avoiding the imbalance of forces on both sides of the pile 3 and affecting the stability of the photovoltaic support foundation.

[0034] Understandably, the excavation depth and width of the first foundation trench 1 should be determined based on the actual working conditions to avoid excessive excavation affecting the bearing capacity of the foundation piles 3.

[0035] Furthermore, such as Figure 1 and Figure 2 As shown, the distance between the pile 3 and the two sides of the second trench 2 is the same. The depth of the second trench 2 is H2, then 0.25R≤H2≤R. The width of the second trench 2 is W2, then 2R≤W2≤8R.

[0036] In other words, the excavation areas of the second trenches 2 on both sides of the pile 3 are the same. As a result, the covering layer 6 is symmetrically set on both sides of the pile 3, so that the load generated on both sides of the pile 3 is the same, avoiding the imbalance of forces on both sides of the pile 3 and affecting the stability of the photovoltaic support foundation.

[0037] Understandably, the excavation depth and width of the second foundation trench 2 should be determined based on the actual working conditions to avoid excessive excavation affecting the bearing capacity of the foundation pile 3.

[0038] Furthermore, such as Figure 1 As shown, the compression layer 5 includes a plurality of sandbags 51, which are arranged sequentially along the width direction of the first base groove 1; and / or, the covering layer 6 includes a plurality of sandbags 51, which are arranged sequentially along the width direction of the second base groove 2.

[0039] In other words, construction workers can use local materials in desert areas to fill multiple sandbags 51, and then place them in the first trench 1 and the second trench 2 in sequence to form a compaction layer 5 and a covering layer 6, which saves construction costs and improves construction efficiency.

[0040] It should be noted that after the sandbags 51 are arranged, the gaps between the sandbags 51 can be filled with gravel, thereby improving the compactness of the sandbag arrangement.

[0041] Furthermore, such as Figure 1 and Figure 4 As shown, adjacent sandbags 51 are connected to each other by connectors 7.

[0042] Understandably, the connector 7 connects the individual sandbags 51 into a single structure, improving the stability of the sandbag arrangement and ensuring the reliability of the compression layer 5 and the covering layer 6.

[0043] Specifically, such as Figure 1 and Figure 4 As shown, the connector 7 includes a fixing ring 71 and a locking rope 72. The fixing ring 71 is located on the outer surface of the sandbag 51, and the locking rope 72 can pass through the fixing ring 71 to connect adjacent sandbags 51 to each other.

[0044] It is understandable that the connection 7 is not limited to the above one method, as long as it can achieve a stable connection of the sandbags 51. For example, multiple sandbags 51 can also be directly tied together with wire.

[0045] Furthermore, the sandbag 51 and locking rope 72 are made of degradable materials, which can extend the service life of the sandbag 51 and locking rope 72 in desert areas and improve the reliability of the compression layer 5 and the covering layer 6.

[0046] Optionally, the sandbag 51 and the locking rope 72 are made of nylon or polyethylene, which have high structural stability, high temperature resistance, and corrosion resistance.

[0047] Furthermore, such as Figure 1 and Figure 3 As shown, the pressure plate 41 is an annular plate, and the annular plate includes multiple arc plates.

[0048] Understandably, multiple arc plates together form a ring plate, which facilitates the installation of the foundation pile 3 by construction personnel and improves construction efficiency. The ring plate can also ensure that the foundation pile 3 is subjected to uniform force, thereby improving the stability of the photovoltaic support foundation.

[0049] Furthermore, such as Figure 1 and Figure 3 As shown, the anchor 42 is an anchor rod, one end of which is connected to the bearing plate 41, and the other end extends into the groove edge of the first base groove 1.

[0050] Understandably, the anchor rod has strong tensile and shear resistance, which can not only improve the stability of the installation of the bearing plate 41, but also prevent bending deformation due to the downward pressure of the clamping layer 5 and the covering layer 6, thereby improving the durability of the anchor 42.

[0051] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0052] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0053] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0054] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0055] In this invention, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0056] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A photovoltaic support foundation for wind and sand erosion prevention, characterized in that, include: A first foundation trench and a plurality of foundation piles, wherein the plurality of foundation piles are spaced apart along the length of the first foundation trench on the bottom surface of the first foundation trench, and at least a portion of the foundation piles extend out of the bottom surface of the first foundation trench, wherein the first foundation trench is excavated around the foundation piles; The pressure-bearing component includes a pressure-bearing plate and a plurality of anchors. The pressure-bearing plate is arranged around the outer periphery of the foundation pile and is laid on the bottom surface of the first foundation trench. The plurality of anchors are arranged at intervals along the circumference of the pressure-bearing plate and are used to connect the pressure-bearing plate and the trench edge of the first foundation trench. A compaction layer replaces the original gravel layer. The compaction layer is laid on the top surface of the pressure plate, and its outer periphery is connected to the edge of the first foundation trench. The compaction layer includes multiple sandbags, which are arranged sequentially along the width direction of the first foundation trench. The second base trench is located on top of the first base trench, and the width of the second base trench is greater than that of the first base trench. The cover layer is laid on the top surface of the compression layer, and the outer periphery of the cover layer is connected to the edge of the second base trench.

2. The photovoltaic support foundation for wind and sand erosion protection according to claim 1, characterized in that, The distance between the foundation pile and the two sides of the first foundation trench is the same. The diameter of the foundation pile is R, the depth of the first foundation trench is H1, then 0.5R≤H1≤2R, and the width of the first foundation trench is W1, then R≤W1≤4R.

3. The photovoltaic support foundation for wind and sand erosion protection according to claim 2, characterized in that, The distance between the foundation pile and the two sides of the second foundation trench is the same. The depth of the second foundation trench is H2, then 0.25R≤H2≤R. The width of the second foundation trench is W2, then 2R≤W2≤8R.

4. The photovoltaic support foundation for wind and sand erosion protection according to claim 1, characterized in that, The covering layer includes multiple sandbags, which are arranged sequentially along the width of the second base groove.

5. The photovoltaic support foundation for wind and sand erosion protection according to claim 4, characterized in that, The adjacent sandbags are connected to each other by connectors.

6. The photovoltaic support foundation for wind and sand erosion protection according to claim 5, characterized in that, The connector includes a fixing ring and a locking rope. The fixing ring is located on the outer surface of the sandbag, and the locking rope can pass through the fixing ring to connect adjacent sandbags to each other.

7. The photovoltaic support foundation for wind and sand erosion protection according to claim 6, characterized in that, The sandbags and the locking ropes are made of biodegradable materials.

8. The photovoltaic support foundation for wind and sand erosion protection according to claim 1, characterized in that, The pressure plate is an annular plate, and the annular plate includes multiple arc plates.

9. The photovoltaic support foundation for wind and sand erosion protection according to claim 1, characterized in that, The anchor is an anchor rod, one end of which is connected to the pressure plate, and the other end extends into the edge of the first foundation groove.

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