Photovoltaic pile foundation protection device and protection method in windy and sandy area
By combining modular fixings and planting components with physical and biological protection measures, the problem of erosion at the bottom of desert photovoltaic module pile foundations was solved, the stability of the pile foundation and the survival rate of plants were improved, and the operating life of the photovoltaic station was extended.
Patent Information
- Application Number
- CN202511225687.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-29
- Publication Date
- 2025-10-17
AI Technical Summary
The bottom of photovoltaic module pile foundations in desert areas is prone to erosion, affecting stability and service life.
Modular fixings and planting components are used, including fixings, planting cups and sand-proof components. The sand surface at the bottom of the pile foundation is covered by the fixings, the planting components are used to plant sand-loving plants, and the sand-proof components form peripheral sand-proof measures, combining physical and biological protection methods.
Effectively weaken wind and sand erosion, improve pile foundation stability and plant germination rate, suppress sand and dust, and extend the operating life of photovoltaic stations.
Smart Images
Figure CN120797747A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of pile foundation protection, in particular to a photovoltaic pile foundation protection device and method in a windy and sandy area. BACKGROUND
[0002] A photovoltaic module is a power generation device that converts light energy into direct current by using a semiconductor material. Deserts, gobi and deserts, and other windy and sandy areas have a large amount of cheap unused land and abundant solar energy resources, which are conducive to large-scale construction of photovoltaic power stations. Desert photovoltaics are becoming an important choice for many countries to achieve energy transformation and carbon neutralization strategies.
[0003] In the prior art, a single pile form of a fixed support is generally used for a desert photovoltaic module. Due to the wind and sand effect in the desert area, the bottom of the pile foundation is prone to erosion around the bottom, forming a depression, which affects the stability and service life of the overall pile foundation. SUMMARY
[0004] Therefore, the present application provides a photovoltaic pile foundation protection device and method in a windy and sandy area to solve the problem of erosion around the bottom of the pile foundation of the photovoltaic module in the desert in the prior art.
[0005] In a first aspect, the present application provides a photovoltaic pile foundation protection device in a windy and sandy area, comprising a fixing member and a planting assembly. The fixing member is provided with a notch on one side. The notches on at least two fixing members are adapted to be enclosed to form an accommodating space matched with the pile foundation. The fixing member is provided with a mounting portion at one end and a mounting groove at the other end. The mounting portion on one of the fixing members is detachably connected to the mounting groove on the adjacent fixing member. The planting assembly is arranged on the side of the fixing member away from the notch.
[0006] Beneficial effects: The at least two fixing members surround the pile foundation and are fixed on the sand surface, which can cover the sand surface at the bottom of the pile foundation, and is conducive to weakening the erosion of the wind and sand on the pile foundation to the greatest extent. The fixing member has a modular structure, which is convenient for production and installation, can improve the construction and labor efficiency, and can improve the plant germination rate and survival rate by configuring a plant protection measure, which is conducive to fixing the sand and inhibiting the dust during long-term operation of the photovoltaic station.
[0007] In an optional embodiment, the planting assembly comprises a connecting member and a planting cup. The connecting member is arranged on the side of the fixing member away from the notch, and the planting cup is arranged on the connecting member.
[0008] Beneficial effects: In the present application, the planting cup is half exposed to the sand surface and half buried in the sand surface, which can resist wind and sand erosion and protect the plant seeds in the planting cup from being blown away.
[0009] In an optional embodiment, the end of the connecting member away from the fixing member is provided with a positioning hole, and the planting assembly further comprises a fixing column which is detachably installed in the positioning hole.
[0010] Beneficial effects: The present application installs the fixed column in the positioning hole of the connecting piece, which can increase the stability of the photovoltaic pile foundation protection device in the windy and sandy area.
[0011] In an alternative embodiment, the photovoltaic pile foundation protection device in the windy and sandy area further comprises a sand prevention piece connected between adjacent fixed columns.
[0012] Beneficial effects: The sand prevention piece connected between adjacent fixed columns forms a peripheral sand prevention measure, increases the protection height, intercepts wind and sand, reduces wind speed, interferes with the flow direction, improves the internal plant growth environment, and avoids burying the internal components by wind and sand.
[0013] In an alternative embodiment, the fixed column comprises a column body and a column cap, the bottom of the column body is conical, the inside of the column body is a cavity, the top is provided with an opening, and the side is provided with a slot, and the column cap is arranged at the top of the column body.
[0014] In an alternative embodiment, the planting cup is provided with a root system hole at the bottom.
[0015] Beneficial effects: The present application provides a root system hole at the bottom of the planting cup, which is convenient for the downward growth of plant roots and contact with the wet sand layer to obtain water.
[0016] In an alternative embodiment, the planting cup is filled with sand, nutrient medium and water retaining agent.
[0017] Beneficial effects: The present application fills the planting cup with sand, nutrient medium and water retaining agent, which can increase the water storage capacity and nutrient substances, and improve the germination rate and survival rate of plants.
[0018] In an alternative embodiment, the planting cup is made of biodegradable material.
[0019] Beneficial effects: The present application uses biodegradable material for the planting cup, which is friendly to the environment and does not cause pollution.
[0020] In an alternative embodiment, the width of the planting cup is greater at the top than at the bottom in the longitudinal section.
[0021] In a second aspect, the present application further provides a photovoltaic pile foundation protection method in a windy and sandy area, which is applied to the above-mentioned photovoltaic pile foundation protection device in the windy and sandy area, and the protection method comprises:
[0022] Obtaining the size of the pile foundation to be protected;
[0023] Selecting a fixed piece conforming to the size of the pile foundation to be protected;
[0024] Installing the fixed piece at the outer periphery of the pile foundation bottom;
[0025] Installing the sand prevention piece between adjacent fixed columns;
[0026] Planting a plant in the planting cup. BRIEF DESCRIPTION OF DRAWINGS
[0027] In order to more clearly illustrate the specific embodiments or prior art technical solutions in the technical field of the present application, the drawings required to be used in the specific embodiments or prior art description will be briefly introduced as follows. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0028] Figure 1 It is a top view of a wind-sand area photovoltaic pile foundation protection device according to an embodiment of the present application.
[0029] Figure 2 It is a top view of a fixing member in a wind-sand area photovoltaic pile foundation protection device according to an embodiment of the present application.
[0030] Figure 3 It is a side view of a planting cup in a wind-sand area photovoltaic pile foundation protection device according to an embodiment of the present application.
[0031] Figure 4 It is a side view of a fixing column in a wind-sand area photovoltaic pile foundation protection device according to an embodiment of the present application.
[0032] Figure 5 It is a flow chart of a wind-sand area photovoltaic pile foundation protection method according to an embodiment of the present application.
[0033] BRIEF DESCRIPTION OF DRAWINGS
[0034] 1, fixing member; 11, mounting portion; 12, mounting groove;
[0035] 2, planting assembly; 21, connecting member; 211, positioning hole; 22, planting cup; 221, root system hole; 23, fixing column; 231, column body; 232, slot; 233, column cap;
[0036] 3, sand prevention member. DETAILED DESCRIPTION
[0037] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0038] In the related art, in order to avoid the phenomenon of erosion around the pile foundation of the photovoltaic module caused by the wind and sand in the desert area, the grass is usually planted at the bottom of the pile foundation, the grass grid is laid, or the covering method of gravel, plant residues and mixed sand is used. The above methods have large construction difficulty, are limited by construction conditions, and need to be implemented after the pile foundation and the photovoltaic module are installed, at which time the erosion of the pile foundation has already occurred.
[0039] The embodiments of the present application are described below in combination with Figures 1 to 5 .
[0040] According to the embodiments of the present application, on the one hand, as Figures 1 to 4 shown, a photovoltaic pile foundation protection device in a windy and sandy area is provided, which comprises a fixing piece 1 and a planting assembly 2. The fixing piece 1 is provided with a notch on one side. The notches on at least two fixing pieces 1 are adapted to be enclosed to form a containing space matched with the pile foundation. The fixing piece 1 is provided with a mounting portion 11 at one end and a mounting groove 12 at the other end. The mounting portion 11 on one of the fixing pieces 1 is detachably connected with the mounting groove 12 on the adjacent fixing piece 1. The planting assembly 2 is arranged on the fixing piece 1 on the side away from the notch.
[0041] Specifically, the scene to which the photovoltaic pile foundation protection device in the windy and sandy area is applied is not specifically limited in the embodiments. For example, the photovoltaic pile foundation protection device in the embodiments is used for protecting the pile foundation at the bottom of the photovoltaic module in the desert. In other embodiments, the photovoltaic pile foundation protection device can also be used for protecting the pile foundation at the bottom of the photovoltaic module in the environment such as a partition wall and a desert.
[0042] As shown in Figure 1 and Figure 2 , the number of the fixing pieces 1 is not specifically limited in the embodiments. For example, the number of the fixing pieces 1 is two in the embodiments. The fixing piece 1 is in a semicircular ring shape, and the inner side thereof is provided with a semicircular notch. The two fixing pieces 1 can be spliced into a circular ring structure, and the inner notches can be enclosed to form a circle matched with the cylindrical pile foundation. In other embodiments, the number of the fixing pieces 1 can also be three, four or the like, and the shape of the notches on the inner side thereof can adopt a shape matched with the outer wall of the pile foundation. In order to ensure the protection effect, the difference between the inner diameter and the outer diameter of the fixing piece 1 is not less than 20 cm, and the thickness thereof is more than 5 cm.
[0043] In the embodiments, the mounting portion 11 at one end of the fixing piece 1 is matched with the mounting groove 12 at the other end. The mounting portion 11 and the mounting groove 12 adopt a dovetail mortise and tenon structure.
[0044] In the embodiments, the planting assembly 2 is arranged on the outer side of the fixing piece 1 away from the pile foundation, and is used for sowing and planting the xerophytic grass plants.
[0045] The present application surrounds at least two fixing members 1 with the pile foundation and fixes them on the sand surface, which can cover the sand surface at the bottom of the pile foundation, and is beneficial to weaken the erosion of the wind sand to the pile foundation to the greatest extent; the fixing member 1 has a modular structure, which is convenient for production and installation, can improve the construction and labor efficiency, and is provided with a plant protection measure, improves the plant germination rate and survival rate, and is beneficial to fixing the sand soil and inhibiting the sand dust during the long-term operation of the photovoltaic station.
[0046] In one embodiment, as shown in Figure 1 and Figure 2 , the planting assembly 2 comprises a connecting piece 21 and a planting cup 22, the connecting piece 21 is arranged on the fixing member 1 away from the notch, and the planting cup 22 is arranged on the connecting piece 21.
[0047] Specifically, two connecting pieces 21 are arranged on each fixing member 1 in the embodiment, the connecting piece 21 is in a rod shape, the angle between the two adjacent connecting pieces 21 is 90 degrees, one end of the connecting piece 21 is connected to the outer side of the fixing member 1, the other end extends away from the pile foundation, and the planting cup 22 is arranged in the middle of the connecting piece 21.
[0048] In the embodiment, the planting cup 22 is a circular truncated cone body, the overall height is 30-40 cm, the upper half is exposed to the sand surface, can resist the wind sand erosion, and protect the internal seeds from being blown away, and the lower half is buried in the sand surface to keep stable.
[0049] In the embodiment, 3-5 seeds can be sowed in each planting cup 22, and a sand plant species with low shrubs and grasses is selected.
[0050] In the embodiment, the planting cup 22 is half exposed to the sand surface and half buried in the sand surface, can resist the wind sand erosion, and protect the plant seeds in the planting cup 22 from being blown away.
[0051] In one embodiment, as shown in Figure 1 and Figure 2 , the end of the connecting piece 21 away from the fixing member 1 is provided with a positioning hole 211, and the planting assembly 2 further comprises a fixing column 23 which is detachably installed in the positioning hole 211.
[0052] Specifically, the end of the connecting piece 21 away from the fixing member 1 is provided with a circular positioning hole 211 in the embodiment, and the fixing column 23 is detachably installed in the positioning hole 211.
[0053] The fixing column 23 is installed in the positioning hole 211 of the connecting piece 21, which can increase the stability of the photovoltaic pile foundation protection device in the wind sand area.
[0054] In one embodiment, as shown in Figure 1 , the photovoltaic pile foundation protection device in the wind sand area further comprises a sand prevention member 3 which is connected between the adjacent fixing columns 23.
[0055] Specifically, the sand prevention piece 3 in the embodiment is not specifically limited, for example, the sand prevention piece 3 in the embodiment adopts a high-density polyethylene (HDPE) sand prevention screen cloth, and the sand prevention piece 3 is connected between two adjacent fixed columns 23, and the sand prevention piece 3 between the four fixed columns 23 is enclosed into a square.
[0056] The sand prevention piece 3 connected between the adjacent fixed columns 23 forms a peripheral sand prevention measure, increases the protection height, intercepts the wind sand, reduces the wind speed, interferes with the flow direction, improves the internal plant growth environment, and avoids that the internal components are buried by the wind sand.
[0057] In one embodiment, as shown in Figure 4 The fixed column 23 includes a column body 231 and a column cap 233, the bottom of the column body 231 is conical, the inside of the column body 231 is a cavity, the top is provided with an opening, the side is provided with a slot 232, and the column cap 233 is arranged at the top of the column body 231.
[0058] In the embodiment, the lower part of the column body 231 by 20 cm is inserted into the sand through the positioning hole 211, is kept perpendicular to the sand surface, and the left and right tilts should not exceed 5 cm, the sand prevention piece 3 is unfolded and inserted into the slot 232 of the side of the column body 231, the sand prevention piece 3 is pulled tight and flat to form a square, finally the column cap 233 of the fixed column 23 is buckled tight, a peripheral sand prevention measure is formed, the protection height is increased, the wind sand is intercepted, the wind speed is reduced, the flow direction is interfered, the internal plant growth environment is improved, and the internal components are avoided to be buried by the wind sand.
[0059] In one embodiment, as shown in Figure 1 and Figure 2 The bottom of the planting cup 22 is provided with a root system hole 221.
[0060] Specifically, the middle position of the bottom of the planting cup 22 in the embodiment is provided with the root system hole 221.
[0061] The root system hole 221 is arranged at the bottom of the planting cup 22, the plant root is facilitated to grow downward, contacts a wet sand layer, and obtains water.
[0062] In one embodiment, the planting cup 22 is filled with sand, nutrient substrate and water retaining agent.
[0063] The planting cup 22 is filled with sand, nutrient substrate and water retaining agent, water storage capacity and nutrient substances are increased, and the plant germination rate and survival rate are improved.
[0064] In one embodiment, the planting cup 22 adopts a biodegradable material.
[0065] Specifically, the planting cup 22 in the embodiment adopts a polylactic acid (PLA) material.
[0066] The planting cup 22 is made of biodegradable material, which is environmentally friendly and does not cause pollution.
[0067] In one embodiment, as shown in Figure 3 The planting cup 22 has a larger width at the top than at the bottom in the longitudinal cross section.
[0068] Specifically, in this embodiment, the structure is wide at the top and narrow at the bottom.
[0069] According to the embodiment of the present application, on the other hand, as shown in Figure 5 A sand area photovoltaic pile foundation protection method is also provided, which is applied to the sand area photovoltaic pile foundation protection device described above, and the protection method comprises the following steps:
[0070] S1: Obtain the size of the pile foundation to be protected.
[0071] Specifically, the sand area photovoltaic pile foundation protection device can be constructed together with the photovoltaic module. During construction, the size of the pile foundation of the photovoltaic module is obtained.
[0072] S2: Select the fixing part 1 that meets the size of the pile foundation to be protected.
[0073] Specifically, the fixing part 1 that matches the shape of the pile foundation and meets the size of the pile foundation to be protected is selected.
[0074] S3: Install the fixing part 1 at the bottom of the pile foundation.
[0075] Specifically, the inner side wall of the fixing part 1 abuts against the outer wall of the installed pile foundation, the bottom of the fixing part 1 closely adheres to the sand surface, and the installation part 11 and the installation slot 12 of the two fixing parts 1 are connected by mortise and tenon connection. The connected fixing part 1 surrounds the pile foundation and is fixed on the sand surface. Then, the lower half of the planting cup 22 is buried below the sand surface, and the upper half is exposed above the sand surface.
[0076] S4: Install the sand prevention part 3 between adjacent fixing columns 23.
[0077] Specifically, the tip of the column body 231 is pointed downward, and the lower part 20 cm penetrates through the positioning hole 211 and is inserted into the sand. The fixing column 23 is perpendicular to the sand surface, and the left and right inclinations should not exceed 5 cm. Then, the sand prevention part 3 is expanded and inserted into the slotted groove 232 of the fixing column 23, and the sand prevention part 3 is pulled tight and flat to form a square shape. Finally, the column cap 233 of the fixing column 23 is tightened to form the peripheral sand prevention measure.
[0078] S5: Plant plants in the planting cup 22.
[0079] Specifically, sand, nutrient medium, and agricultural and forestry water retaining agent are added to each planting cup 22, and 3 to 5 seeds are put in.
[0080] The pile foundation installation and pile foundation protection synchronous construction can be realized, the erosion of wind sand to the pile foundation can be weakened to the maximum extent, the photovoltaic pile foundation protection device in the wind sand area is provided with a modular structure, production and installation are facilitated, construction and labor efficiency can be improved, the fixed part 1 is connected closely in the application, the protection effect is better, the advantages of physical and biological protection are combined, the main body is a hardware fixture, effective protection can be realized in the initial stage of pile foundation construction, and damage caused by wind erosion is not easy to occur, plant protection measures are simultaneously configured, plant germination rate and survival rate are improved, sand and dust are fixed during long-term operation of the photovoltaic station, and sand and dust are inhibited, the sand prevention part 3 on the outer side can improve the protection effect, improve the internal plant growth environment, and avoid that internal components are buried by wind sand.
[0081] Although the embodiments of the present application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes fall within the scope defined by the appended claims.
Claims
1. A photovoltaic pile foundation protection device for sandy areas, characterized in that: include: A fixing member (1), wherein one side of the fixing member (1) is provided with a notch, and the notches on at least two of the fixing members (1) are suitable for enclosing a receiving space matching a pile foundation, and one end of the fixing member (1) is provided with a mounting portion (11), and the other end is provided with a mounting groove (12), wherein the mounting portion (11) on one of the fixing members (1) is detachably connected to the mounting groove (12) on the adjacent fixing member (1); A planting component (2) is arranged on a side of the fixing member (1) facing away from the notch.
2. The photovoltaic pile foundation protection device for sandy areas according to claim 1 is characterized in that: The planting component (2) comprises: a connecting member (21), the connecting member (21) being arranged on a side of the fixing member (1) facing away from the notch; A planting cup (22), wherein the planting cup (22) is arranged on the connecting piece (21).
3. The photovoltaic pile foundation protection device for sandy areas according to claim 2 is characterized in that: The connecting member (21) is provided with a positioning hole (211) at one end away from the fixing member (1), and the planting assembly (2) further comprises: A fixing column (23) is detachably mounted in the positioning hole (211).
4. The photovoltaic pile foundation protection device for sandy areas according to claim 3 is characterized in that: Also includes: A sand-proof piece (3), wherein the sand-proof piece (3) is connected between adjacent fixing columns (23).
5. The photovoltaic pile foundation protection device for sandy areas according to claim 3 or 4, characterized in that: The fixing column (23) comprises: A column (231), wherein the bottom of the column (231) is conical, the interior of the column (231) is a cavity, the top is provided with an opening, and the side is provided with a slot (232); A column cap (233) is arranged on the top of the column (231).
6. The photovoltaic pile foundation protection device for sandy areas according to claim 2, characterized in that: The bottom of the planting cup (22) is provided with a root hole (221).
7. The photovoltaic pile foundation protection device for sandy areas according to claim 2, characterized in that: The planting cup (22) is filled with sand, nutrient matrix and water retaining agent.
8. The photovoltaic pile foundation protection device for sandy areas according to claim 2, characterized in that: The planting cup (22) is made of biodegradable material.
9. The photovoltaic pile foundation protection device for sandy areas according to claim 2, characterized in that: The upper width of the longitudinal section of the planting cup (22) is greater than the lower width.
10. A method for protecting photovoltaic pile foundations in sandy areas, applied to the photovoltaic pile foundation protection device in sandy areas according to any one of claims 1 to 9, characterized in that: Protection methods include: Obtain the size of the pile foundation to be protected; Selecting fixings (1) that are consistent with the dimensions of the pile foundation to be protected; Installing the fixing member (1) on the outer periphery of the bottom of the pile foundation; Installing the sand-proof member (3) between adjacent fixing columns (23); Plants are grown in the planting cups (22).