A dry area photovoltaic power station irrigation-free ecological planting flow guide film device

Abstract

The present application relates to a kind of drought area photovoltaic power station free irrigation ecological planting diversion film device, the device is by south diversion film upper fixed shaft, south diversion film lower fixed shaft, south diversion film, south planting area, south photovoltaic panel, 5 May noon sun highest projection angle when sunlight is projected to the ground along the south edge of south photovoltaic panel east-west direction projection line, north planting area, north photovoltaic panel, north diversion film upper fixed shaft, north diversion film lower fixed shaft, north diversion film, 5 May noon sun highest projection angle when sunlight is projected to the ground along the north edge of north photovoltaic panel east-west direction projection line, fixed screw, photovoltaic panel support.By setting diversion device under photovoltaic panel, limited water resources (rainfall and photovoltaic panel cleaning water) in arid region is drained to the area most suitable for ecological construction around photovoltaic panel, to provide favorable conditions for free irrigation vegetation construction in arid region photovoltaic field station.

Description

Technical Field

[0001] This utility model relates to the field of ecological construction of photovoltaic power stations in arid and semi-arid regions, and is a flow-guiding membrane device for ecological planting without irrigation in arid photovoltaic power stations that utilizes photovoltaic panel cleaning water and rainfall to achieve ecological vegetation establishment. Background Technology

[0002] With the increasing scale of photovoltaic power station construction in desert, Gobi, and arid regions, the ecological construction of these power stations has attracted growing attention. However, a key aspect of ecological construction is ensuring water resources. These desert and Gobi areas often lack water sources and irrigation, with only natural rainfall and water from cleaning the photovoltaic panels available. In southern Xinjiang, the average annual rainfall is only a few tens of millimeters, and the amount of water used for cleaning the panels is also limited. Rainfall and water from cleaning the panels flow down, forming strips of moist soil in front of and between the panels. However, in the moist soil area in front of the panels, due to continuous sunlight, evaporation is intense, and plants cannot utilize the water before it evaporates. In the strips of moist soil between the panels, plants cannot grow because there is no direct sunlight throughout the day. Through observation and analysis of air temperature, soil temperature, evaporation, and light intensity in the areas under and between the photovoltaic panels, an optimal ecological planting area was found under the panels. This area receives sunlight for part of the day and shade from the photovoltaic panels for part of the day, thus significantly reducing evaporation and providing favorable conditions for ecological planting. By installing diversion devices under photovoltaic panels, rainwater and photovoltaic panel cleaning water can be diverted to the most suitable ecological planting area, achieving irrigation-free ecological planting under photovoltaic panels. Summary of the Invention

[0003] The purpose of this invention is to propose a flow-guiding membrane device for irrigation-free ecological planting in photovoltaic power stations in arid areas. This device consists of an upper fixed shaft on the south side of the flow-guiding membrane, a lower fixed shaft on the south side of the flow-guiding membrane, the south side of the flow-guiding membrane, a planting area on the south side of the photovoltaic panel, a planting area on the north side of the photovoltaic panel, a south photovoltaic panel, an east-west projection line of sunlight along the south edge of the south photovoltaic panel at its highest projection angle at noon on May 1st, a north photovoltaic panel, an east-west projection line of sunlight along the north edge of the north photovoltaic panel at its highest projection angle at noon on May 1st, fixing screws, a photovoltaic panel bracket, an upper fixed shaft on the north side of the flow-guiding membrane, a lower fixed shaft on the north side of the flow-guiding membrane, the north flow-guiding membrane, and the photovoltaic panel bracket. By setting a flow-guiding device under the photovoltaic panel, the limited water resources (rainfall and photovoltaic panel cleaning water) in arid areas are diverted to the most suitable area for ecological planting around the photovoltaic panel, providing favorable conditions for irrigation-free vegetation establishment within photovoltaic power stations in arid areas.

[0004] The present invention describes a drainage membrane device for irrigation-free ecological planting in a photovoltaic power station in arid areas. The device consists of an upper fixed shaft (1) on the south drainage membrane, a lower fixed shaft (2) on the south drainage membrane, a south drainage membrane (3), a planting area on the south side of the photovoltaic panel (4), a planting area on the north side of the photovoltaic panel (5), a south photovoltaic panel (6), an east-west projection line (7) of sunlight projected onto the ground along the south edge of the south photovoltaic panel at the highest solar projection angle at noon on May 1, a north photovoltaic panel (8), an east-west projection line (9) of sunlight projected onto the ground along the north edge of the north photovoltaic panel at the highest solar projection angle at noon on May 1, fixing screws (10), a photovoltaic panel bracket (11), an upper fixed shaft (12) on the north drainage membrane, a lower fixed shaft (13) on the north drainage membrane, and a north drainage membrane (14). The photovoltaic panel support (15) is composed of a fixed shaft (1) on the upper part of the south guide film and a fixed shaft (2) on the lower part of the south guide film. The two ends of the fixed shaft (1) on the upper part of the south guide film are fixed to the photovoltaic panel support (11) by fixing screws (10). The fixed shaft (1) on the upper part of the south guide film is fixed 100cm in front of the south photovoltaic panel (6). The fixed shaft (2) on the lower part of the south guide film is fixed directly above the projection line (7) of the sunlight projected onto the ground along the southernmost edge of the south photovoltaic panel at noon on May 1. The fixed shaft (12) on the upper part of the north guide film is fixed 20cm in front of the north photovoltaic panel (8) and connected to the south photovoltaic panel (6). The fixed shaft (13) on the lower part of the north guide film is fixed directly above the projection line (9) of the sunlight projected onto the ground along the northernmost edge of the north photovoltaic panel at noon on May 1.

[0005] The locations of the planting area (4) on the south side of the photovoltaic panel and the planting area (5) on the north side of the photovoltaic panel are determined. The southern boundary of the planting area (4) on the south side of the photovoltaic panel is located on the east-west projection line (7) of the sunlight along the southernmost edge of the southern photovoltaic panel when the sun is at its highest projection angle at noon on May 1. The northern boundary is located 50 cm north of the east-west projection line (7) of the sunlight along the southernmost edge of the southern photovoltaic panel when the sun is at its highest projection angle at noon on May 1. The southern boundary of the planting area (5) on the north side of the photovoltaic panel is located on the east-west projection line (9) of the sunlight along the northernmost edge of the northern photovoltaic panel when the sun is at its highest projection angle at noon on May 1. The northern boundary is located 50 cm north of the east-west projection line (9) of the sunlight along the northernmost edge of the northern photovoltaic panel when the sun is at its highest projection angle at noon on May 1.

[0006] The south-side guide membrane (3) and the north-side guide membrane (14) are at an angle of 15° to the horizontal plane, with the south side being higher than the north side.

[0007] Compared with existing technologies, this utility model provides a flow-guiding membrane device for irrigation-free ecological planting in photovoltaic power stations in arid areas, which has the following beneficial effects: 1. This device uses a diversion membrane to introduce limited rainwater and photovoltaic panel cleaning water from arid areas into the most suitable ecological planting area around the photovoltaic panels, thus achieving irrigation-free vegetation establishment. 2. This device achieves the flow guiding function with a simple combination of a fixed shaft and a membrane surface, while also realizing the advantages of simple structure and low cost; 3. The device is suspended in the air, which facilitates the formation of a wet area when rainwater and water from cleaning the photovoltaic panels fall on the ground; 4. The device is suspended in the air, making it easy to maintain and does not disturb the soil, thus having little impact on photovoltaic operations. Attached Figure Description

[0008] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the fixed shaft end structure of this utility model; Figure 3 This is a schematic diagram of the structure of the present invention at the installation position under the photovoltaic panel.

[0009] In the diagram: 1. Fixed shaft on the south side of the drainage membrane; 2. Fixed shaft below the south side of the drainage membrane; 3. South side drainage membrane; 4. Planting area on the south side of the photovoltaic panel; 5. Planting area on the north side of the photovoltaic panel; 6. South side photovoltaic panel; 7. East-west projection line of sunlight along the southernmost edge of the south side photovoltaic panel onto the ground at noon on May 1st when the sun is at its highest projection angle; 8. North side photovoltaic panel; 9. East-west projection line of sunlight along the northernmost edge of the north side photovoltaic panel onto the ground at noon on May 1st when the sun is at its highest projection angle; 10. Fixing screw; 11. Photovoltaic panel bracket; 12. Fixed shaft on the north side of the drainage membrane; 13. Fixed shaft below the north side of the drainage membrane; 14. North side drainage membrane; 15. Photovoltaic panel bracket. Detailed Implementation

[0010] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0011] In the description of this utility model, it should be understood that the terms up, down, front, back, east, west, south, north, etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not 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 utility model. Example

[0012] This utility model discloses a drainage membrane device for irrigation-free ecological planting in a photovoltaic power station in arid areas. The device comprises: a fixed shaft 1 on the south side drainage membrane; a fixed shaft 2 on the south side drainage membrane; a south side drainage membrane 3; a planting area on the south side of the photovoltaic panel 4; a planting area on the north side of the photovoltaic panel 5; a south side photovoltaic panel 6; an east-west projection line 7 of sunlight falling on the ground along the south edge of the south side photovoltaic panel at its highest angle of incidence on May 1st; a north side photovoltaic panel 8; an east-west projection line 9 of sunlight falling on the ground along the north edge of the north side photovoltaic panel at its highest angle of incidence on May 1st; fixing screws 10; a photovoltaic panel bracket 11; a fixed shaft 12 on the north side drainage membrane; a fixed shaft 13 on the south side drainage membrane; and a north side drainage membrane 14. The photovoltaic panel support 15 consists of two ends of a fixed shaft 1 on the upper side of the south-side guide film and a fixed shaft 2 on the lower side of the south-side guide film, which are fixed to the photovoltaic panel support 11 by fixing screws 10. The fixed shaft 1 on the upper side of the south-side guide film is fixed 100cm in front of the south-side photovoltaic panel 6, and the fixed shaft 2 on the lower side of the south-side guide film is fixed directly above the projection line 7 of sunlight projected onto the ground along the southernmost edge of the south-side photovoltaic panel at noon on May 1st when the sun is at its highest projection angle. The fixed shaft 12 on the upper side of the north-side guide film is fixed 20cm in front of the north-side photovoltaic panel 8 and is connected to the south-side photovoltaic panel 6. The fixed shaft 13 on the lower side of the north-side guide film is fixed directly above the projection line 9 of sunlight projected onto the ground along the northernmost edge of the north-side photovoltaic panel at noon on May 1st when the sun is at its highest projection angle. The locations of planting area 4 on the south side of the photovoltaic panel and planting area 5 on the north side of the photovoltaic panel are determined. The southern boundary of planting area 4 on the south side of the photovoltaic panel is located on the east-west projection line 7 of sunlight projected onto the ground along the southernmost edge of the southern photovoltaic panel at the highest solar angle at noon on May 1st. The northern boundary is located 50cm north of the east-west projection line 7 of sunlight projected onto the ground along the southernmost edge of the southern photovoltaic panel at the highest solar angle at noon on May 1st. The southern boundary of planting area 5 on the north side of the photovoltaic panel is located on the east-west projection line 9 of sunlight projected onto the ground along the northernmost edge of the northern photovoltaic panel at the highest solar angle at noon on May 1st. The northern boundary is located 50cm north of the east-west projection line 9 of sunlight projected onto the ground along the northernmost edge of the northern photovoltaic panel at the highest solar angle at noon on May 1st. To reduce the impact of strong winds on the air diversion device, the south-side air diversion membrane 3 and the north-side air diversion membrane 14 are at an angle of 15° to the horizontal plane, with the south side being higher than the north side. Reference Figure 1 A drainage membrane device for irrigation-free ecological planting in a photovoltaic power station in arid areas includes an upper fixed shaft 1 on the south side drainage membrane, a lower fixed shaft 2 on the south side drainage membrane, an upper fixed shaft 12 on the north side drainage membrane, a lower fixed shaft 13 on the north side drainage membrane, a south side drainage membrane 3, and a north side drainage membrane 14. Reference Figure 2The upper fixed shaft 1 on the south side of the flow guide membrane and the upper fixed shaft 12 on the north side of the flow guide membrane are fixed to the photovoltaic panel bracket 11 by the fixing screws 10 at the ends of the fixed shafts; the lower fixed shaft 2 on the south side of the flow guide membrane and the lower fixed shaft 13 on the north side of the flow guide membrane are fixed to the photovoltaic panel bracket 15 by the fixing screws 10 at the ends of the fixed shafts. The southern boundary of planting area 4 on the south side of the photovoltaic panel is located on the east-west projection line 7 of the sunlight at noon on May 1st, projected along the southernmost edge of the southern photovoltaic panel onto the ground. The measured east-west projection line 7, at the highest solar angle at noon on May 1st, is located 78cm north of the vertical line of the southernmost edge of the southern photovoltaic panel 6. The area within 50cm north of this east-west projection line 7 at the highest solar angle at noon on May 1st is defined as planting area 4 on the south side. The southern boundary of planting area 5 is located at the east-west projection line 9 of the solar radiation at the highest solar angle at noon on May 1, which is the northernmost edge of the photovoltaic panel. The measured east-west projection line 9 of the solar radiation at the highest solar angle at noon on May 1 is located 147cm north of the vertical line of the northernmost edge of the photovoltaic panel 8. The area within 50cm north of the east-west projection line 9 of the solar radiation at the highest solar angle at noon on May 1 is the planting area on the north side of the photovoltaic panel (5). In order to divert rainwater and photovoltaic panel cleaning water to the most suitable ecological planting area, the upper fixed shaft 1 of the south diversion membrane is fixed 100cm in front of the south photovoltaic panel 6, and the lower fixed shaft 2 of the south diversion membrane is fixed directly above the east-west projection line 7 of the sunlight projected onto the ground along the southernmost edge of the south photovoltaic panel at noon on May 1st when the sun is at its highest projection angle; the upper fixed shaft 12 of the north diversion membrane is fixed on the photovoltaic bracket (11) 20cm in front of the north photovoltaic panel 8 and connected to the south photovoltaic panel 6, and the lower fixed shaft 13 of the north diversion membrane is fixed directly above the east-west projection line 9 of the sunlight projected onto the ground along the northernmost edge of the north photovoltaic panel at noon on May 1st when the sun is at its highest projection angle; in order to reduce the impact of strong winds on the diversion device, the south diversion membrane 3 and the north diversion membrane 14 are both at an angle of 15° with the horizontal plane, with the south side higher than the north side.

[0013] After on-site application, the survival rate of one-year-old Haloxylon ammodendron seedlings planted in planting area 4 on the south side of the photovoltaic panel was 81.5%, and the survival rate of one-year-old Haloxylon ammodendron seedlings planted in planting area 5 on the north side of the photovoltaic panel was 83.1%.

Claims

1. A flow-guiding membrane device for irrigation-free ecological planting in photovoltaic power stations in arid areas, characterized in that: The device consists of an upper fixing shaft (1) on the south side of the flow guiding membrane, a lower fixing shaft (2) on the south side of the flow guiding membrane, a south side flow guiding membrane (3), a south side planting area (4) of the photovoltaic panel, a north side planting area (5) of the photovoltaic panel, a south side photovoltaic panel (6) and a north side photovoltaic panel (8), fixing screws (10), a bracket on the photovoltaic panel (11), an upper fixing shaft (12) on the north side of the flow guiding membrane, a lower fixing shaft (13) on the north side of the flow guiding membrane, a north side flow guiding membrane (14), and a lower bracket (15) of the photovoltaic panel. The two ends of the upper fixing shaft (1) and the lower fixing shaft (2) on the south side of the flow guiding membrane are fixed to the photovoltaic panel by fixing screws (10). On the support (11), the upper fixing shaft (1) of the south side guide membrane is fixed 100cm in front of the south side photovoltaic panel (6), and the lower fixing shaft (2) of the south side guide membrane is fixed directly above the projection line (7) of the sunlight projected onto the ground along the southernmost edge of the south side photovoltaic panel at noon on May 1st when the sun is at its highest projection angle; the upper fixing shaft (12) of the north side guide membrane is fixed 20cm in front of the north side photovoltaic panel (8) and connected to the south side photovoltaic panel (6), and the lower fixing shaft (13) of the north side guide membrane is fixed directly above the projection line (9) of the sunlight projected onto the ground along the northernmost edge of the north side photovoltaic panel at noon on May 1st when the sun is at its highest projection angle.

2. The diversion membrane device for irrigation-free ecological planting in arid region photovoltaic power stations according to claim 1, characterized in that, The locations of the planting area (4) on the south side of the photovoltaic panel and the planting area (5) on the north side of the photovoltaic panel are determined. The southern boundary of the planting area (4) on the south side of the photovoltaic panel is located on the east-west projection line (7) of the sunlight along the southernmost edge of the southern photovoltaic panel when the sun is at its highest projection angle at noon on May 1. The northern boundary is located 50 cm north of the east-west projection line (7) of the sunlight along the southernmost edge of the southern photovoltaic panel when the sun is at its highest projection angle at noon on May 1. The southern boundary of the planting area (5) on the north side of the photovoltaic panel is located on the east-west projection line (9) of the sunlight along the northernmost edge of the northern photovoltaic panel when the sun is at its highest projection angle at noon on May 1. The northern boundary is located 50 cm north of the east-west projection line (9) of the sunlight along the northernmost edge of the northern photovoltaic panel when the sun is at its highest projection angle at noon on May 1.

3. The diversion membrane device for irrigation-free ecological planting in arid region photovoltaic power stations according to claim 1, characterized in that, The south-side guide membrane (3) and the north-side guide membrane (14) are at an angle of 15° to the horizontal plane, with the south side being higher than the north side.

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