Photovoltaic intelligent automatic irrigation device for desert

Abstract

The utility model provides a photovoltaic intelligent automatic irrigation device for desert, and belongs to the technical field of desert control. Comprising a photovoltaic system, an irrigation system and a control module, and the photovoltaic system comprises a plurality of photovoltaic panels and vegetation planting areas arranged below the photovoltaic panels and between the panels. The irrigation system comprises a condensate water collecting device, a water pump, a first pipeline and sprinkling irrigation equipment, one end of the first pipeline is connected with the condensate water collecting device through the water pump, and the sprinkling irrigation equipment is installed on the first pipeline. The control module comprises a control upper computer and a photovoltaic output power detector, the photovoltaic output power detector is arranged on the photovoltaic panel, and the control upper computer is configured to perform start-stop control on the irrigation system based on an output power value obtained by the photovoltaic output power detector. By adopting the photovoltaic intelligent automatic irrigation device for the desert, photovoltaic and plant collaborative desertification control can be realized, and the desertification control effect is ensured while the traditional resource and cost consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of desert control, and particularly relates to a desert photovoltaic intelligent automatic irrigation device. Background Art

[0002] In the desert areas of northwest China, solar energy resources are abundant, providing good conditions for solar power generation. By the end of 2023, the cumulative installed capacity of solar photovoltaic power generation increased by 80% year-on-year, showing great development prospects. Photovoltaic panels are the key core photoelectric conversion equipment in solar photovoltaic power stations. The stable and efficient operation of photovoltaic panels is an important prerequisite for the development and optimization of solar photovoltaic power generation technology. However, the frequent and intense sand and wind movements in the desert environment lead to serious dust accumulation on the surface of photovoltaic panels, significantly reducing the photovoltaic power generation performance and service life. At the same time, it exacerbates the wind erosion process of the desert surface, causing soil desertification in photovoltaic power stations.

[0003] In the prior art, photovoltaic desert control is a new desert control model explored in recent years. Photovoltaic desert ecological power stations are the main desert control models. The photovoltaic module panels shield direct sunlight, effectively reducing the evaporation of desert surface water. The shading effect can reduce the evaporation amount by 20%-30%. Photovoltaic power stations in desert areas can not only bring power generation benefits, but also reduce the near-surface wind speed, alleviate the near-surface sand and wind degree to a certain extent. At the same time, the areas under and between the photovoltaic panels can provide good conditions for biological desert control technology (afforestation for desert control).

[0004] However, the frequent and intense sand and wind movements in the desert environment lead to serious dust accumulation on the surface of photovoltaic panels, significantly reducing the photovoltaic power generation performance and service life. At the same time, it exacerbates the wind erosion process of the desert surface, causing soil desertification in photovoltaic power stations. At present, artificial methods, water sprinkler trucks or cleaning robots are used to clean the surface of photovoltaic panels in desert photovoltaic power plants, but there are problems such as low cleaning effect, high economic cost, damage to soil and environmental pollution. Summary of the Utility Model

[0005] The embodiment of the utility model provides a desert photovoltaic intelligent automatic irrigation device, which can realize the collaborative desert control of photovoltaic and plants, and ensure the desert control effect while reducing traditional resources and cost consumption. The technical solution is as follows:

[0006] The embodiment of the utility model provides a desert photovoltaic intelligent automatic irrigation device, including: a photovoltaic system, an irrigation system and a control module.

[0007] The photovoltaic system includes a plurality of photovoltaic panels arranged at intervals in the same direction, and a vegetation planting area arranged below and between the plurality of photovoltaic panels;

[0008] The irrigation system includes a condensate collection device, a water pump, a first pipeline, and sprinkler irrigation equipment. The first pipeline is arranged on the windward side of a plurality of the photovoltaic panels. One end of the first pipeline is connected to the condensate collection device through the water pump. The sprinkler irrigation equipment is installed on the first pipeline and arranged facing the photovoltaic panels.

[0009] The control module includes a control host computer and a photovoltaic output power detector. The photovoltaic output power detector is arranged on the photovoltaic panel. The control host computer is configured to start and stop the irrigation system based on the output power value obtained by the photovoltaic output power detector.

[0010] Optionally, a plurality of the sprinkler irrigation equipment are arranged along the extending direction of the first pipeline, and each sprinkler irrigation equipment is arranged between two adjacent photovoltaic panels.

[0011] Optionally, the sprinkler irrigation equipment is a liftable rotary sprinkler head.

[0012] Optionally, a sprinkler irrigation flow controller is arranged on the first pipeline, and the sprinkler irrigation flow controller is communicatively connected to the control host computer.

[0013] Optionally, the irrigation system further includes a second pipeline and drip irrigation equipment. The second pipeline is arranged in parallel with the first pipeline and is arranged below a plurality of the photovoltaic panels. One end of the second pipeline is connected to the condensate collection device through the water pump. The drip irrigation equipment is installed on the second pipeline.

[0014] Optionally, the drip irrigation equipment is a six-claw drip emitter.

[0015] Optionally, a drip irrigation flow controller is arranged on the second pipeline, and the drip irrigation flow controller is communicatively connected to the control host computer. The control module further includes a soil sensor. The control host computer is configured to start and stop the irrigation system based on the plant growth data of the vegetation planting area obtained by the soil sensor.

[0016] Optionally, the desert photovoltaic intelligent automatic irrigation device further includes a storage battery. The charging end of the storage battery is connected to the photovoltaic panel, and the output end of the storage battery is connected to the condensate collection device.

[0017] Optionally, the desert photovoltaic intelligent automatic irrigation device further includes a high-definition camera. The high-definition camera is arranged beside the photovoltaic module and is communicatively connected to the control host computer.

[0018] Optionally, the desert photovoltaic intelligent automatic irrigation device further includes a meteorological monitor. The meteorological monitor is communicatively connected to the control host computer.

[0019] The beneficial effects brought by the technical solutions provided in the embodiments of the present utility model at least include:

[0020] By adopting the desert photovoltaic intelligent automatic irrigation device provided in the embodiments of the present utility model, the device includes a photovoltaic system, an irrigation system, and a control module. When the control module monitors that the soil humidity in the vegetation planting area under the photovoltaic panel is lower than 30%, the xerophyte leaves wither and turn yellow, and the stem development is retarded, the control module will send a drip irrigation instruction to the irrigation system to timely supplement the water and nutrients required by the soil and plants; or when the actual output power of the photovoltaic panel is lower than 50% of the design value, or greater than 50% of the design value and less than 80% of the design value, and the cleaning cycle is greater than the induction period of dust accumulation and caking, the control module will send a sprinkler irrigation instruction to the irrigation system to timely clean the dust on the panel surface and supplement irrigation at the same time. The irrigation water is supplied by a condensate collection device, and its power is supplied by photovoltaic modules. It can not only control the desertification of the soil in the photovoltaic power station and improve the sand fixation effect of plants, but also timely remove the dust on the photovoltaic panel, without additional regulation, with self-circulation and reliability, and can realize sand fixation and panel cleaning intelligently and automatically. It can realize the coordinated sand control of photovoltaic and plants, reduce the consumption of traditional resources and costs, and ensure the sand control effect at the same time. Description of the Drawings

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0022] Figure 1 It is a schematic diagram of the overall structure of the desert photovoltaic intelligent automatic irrigation device provided in the embodiments of the present utility model;

[0023] Figure 2 It is a schematic diagram of the partial structure of the desert photovoltaic intelligent automatic irrigation device provided in the embodiments of the present utility model;

[0024] Figure 3 It is a schematic diagram of the structure of the condensate collection device provided in the embodiments of the present utility model;

[0025] Figure 4 It is a schematic diagram of another arrangement structure of the desert photovoltaic intelligent automatic irrigation device provided in the embodiments of the present utility model.

[0026] In the figure: 1 - Photovoltaic system; 2 - Irrigation system; 3 - Control module; 4 - Storage battery; 5 - High-definition camera; 6 - Meteorological detector; 11 - Photovoltaic panel; 12 - Vegetation planting area; 21 - Condensate collection device; 22 - Water pump; 23 - First pipeline; 24 - Sprinkler irrigation equipment; 25 - Second pipeline; 26 - Drip irrigation equipment; 31 - Host computer; 32 - Photovoltaic output power detector; 33 - Soil sensor; 211 - Semiconductor refrigeration sheet; 212 - Condensation box; 213 - Water storage tank; 214 - Water intake pipe; 215 - Ventilation hole; 216 - Fan; 231 - Sprinkler irrigation flow control; 251 - Drip irrigation flow controller; a - Inverter. Detailed implementation mode

[0027] To make the objectives, technical solutions and advantages of the present utility model clearer, the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

[0028] Figure 1 is the overall structural schematic diagram of the desert photovoltaic intelligent automatic irrigation device provided by the embodiment of the present utility model; Figure 2 is the partial structural schematic diagram of the desert photovoltaic intelligent automatic irrigation device provided by the embodiment of the present utility model; Figure 3 is the structural schematic diagram of the condensate collection device provided by the embodiment of the present utility model; Figure 4 is another arrangement structural schematic diagram of the desert photovoltaic intelligent automatic irrigation device provided by the embodiment of the present utility model. As Figures 1 to 4 shown, the embodiment of the present utility model provides a desert photovoltaic intelligent automatic irrigation device, including a photovoltaic system 1, an irrigation system 2 and a control module 3.

[0029] Among them, the photovoltaic system 1 includes a plurality of photovoltaic panels 11 arranged at intervals along a first direction, and a vegetation planting area 12 arranged below and between the plurality of photovoltaic panels 11.

[0030] The irrigation system 2 includes a condensate collection device 21, a water pump 22, a first pipeline 23 and a sprinkler irrigation device 24. The first pipeline 23 is arranged on the windward side of the plurality of photovoltaic panels 11. One end of the first pipeline 23 is connected to the condensate collection device 21 through the water pump 22, and the sprinkler irrigation device 24 is installed on the first pipeline 23 and arranged facing the photovoltaic panels 11.

[0031] The control module 3 includes a control host computer 31 and a photovoltaic output power detector 32. The photovoltaic output power detector 32 is arranged on the photovoltaic panel 11. The control host computer 31 is configured to start and stop the irrigation system 2 based on the output power value obtained by the photovoltaic output power detector 32.

[0032] In the embodiment of the utility model, a photovoltaic system 1 in the form of a strip is formed by planning and setting photovoltaic panels 11 in a first direction in a desert environment, that is, in a direction perpendicular to the windward direction, to block wind and sand and recycle light energy for recycling. At the same time, a vegetation planting area 12 is set below and around multiple photovoltaic panels 11. In the vegetation planting area 12, xerophytes such as yellow flower blood-replenishing grass, wild black wolfberry, white thorn, strange willow, flower flower firewood and salt claws can be selectively planted. With the help of the photovoltaic panels 11 to block direct sunlight and wind and sand, the ground wind speed is reduced, and plant sand fixation is achieved, thereby improving the ground soil desertification near the desert photovoltaic power station. When the photovoltaic system 1 is working, the upper computer 31 in the control module 3 will monitor the working state of the photovoltaic panel 11 in real time through the photovoltaic output power detector 32 set on each photovoltaic panel 11, judge the dust accumulation on its surface based on its output power value, and control the irrigation system 2 to respond.

[0033] For example, in this embodiment, when the actual output power of the photovoltaic panel 11 is lower than 50% of the design value, the data storage and processing center module in the control host computer 31 issues a photovoltaic panel cleaning instruction, and transmits the instruction to the execution module in the irrigation system 2, starts the water pump 22, and draws water from the condensed water collection device 21 or an external water source, and the water flows through the first pipe 23 to the sprinkler equipment 24 installed thereon. In the embodiment of the utility model, a sprinkler flow controller 231 is provided on the first pipe 23, such as an electrically controlled flow valve, which can adjust the opening after receiving the control instruction of the control host computer 31 to control the water flow in the first pipe 23. The sprinkler equipment 24 is a retractable rotating nozzle. By raising the nozzle height and controlling the water flow, the water sprayed by the nozzle of the sprinkler equipment 24 can cover the surface of the photovoltaic panel 11 in a certain area, rotate the nozzle at a certain speed, and fully clean the photovoltaic panel 11 in a spraying manner. The cleaning water flows through the inclined top surface of the photovoltaic panel 11 and then flows into the plants and soil under the panel, which plays a role in water resource recovery and sand fixation. At the same time, the water sprayed from the windward side can also irrigate the vegetation planting area 12. When the actual output power of the photovoltaic panel 11 is greater than 50% of the design value, but less than 80% of the design value, and the cleaning cycle is greater than the induction period of dust accumulation, it means that the photovoltaic panel 11 has dust agglomeration and needs to be cleaned in time. As mentioned above, the data storage and processing center module and the execution module are used to control the signal and clean the surface of the photovoltaic panel with a relatively small water flow rate. When the actual output power of the photovoltaic panel 11 recovers to 90% of the design value, the data storage and processing center issues a command to shut down the sprinkler irrigation, shutting down the water pump 22 and the sprinkler irrigation flow controller 231. Exemplarily, the surface of the photovoltaic panel 11 can be coated with a super-hydrophilic or super-hydrophobic self-cleaning coating, which can make the sprinkler irrigation cleaning effect better and reduce the amount of cleaning water.

[0034] Optionally, a plurality of sprinkler irrigation devices 24 are arranged along the extension direction of the first pipeline 23, and each sprinkler irrigation device 24 is arranged between two adjacent photovoltaic panels 11. Exemplarily, in the embodiment of the present utility model, based on the sprinkler irrigation coverage area and efficiency, one sprinkler irrigation device 24 is used to perform rotary sprinkler irrigation on the two photovoltaic panels 11 on its left and right sides from the middle, and a one-to-two setting form is adopted to improve the sprinkler irrigation efficiency and reduce power consumption.

[0035] Optionally, the irrigation system 2 further includes a second pipeline 25 and drip irrigation devices 26. The second pipeline 25 is arranged in parallel with the first pipeline 23 and is arranged below a plurality of photovoltaic panels 11. One end of the second pipeline 25 is connected to the condensate collection device 21 through a water pump 22, and the drip irrigation devices 26 are installed on the second pipeline 25. Exemplarily, in the embodiment of the present invention, in addition to using the sprinkler irrigation device 24 to clean the photovoltaic panels 11 and perform large-area irrigation on the vegetation planting area 12. A second pipeline 25 extending below a plurality of photovoltaic panels 11 can also be specifically provided, and drip irrigation devices 26 such as six-claw drip arrows are arranged in its extension direction to supplement the water and nutrients required by the soil and xerophytes in the form of drip irrigation. Compared with the sprinkler irrigation mode, by supplying water in a pipeline closer to the vegetation planting area 12 and performing drip irrigation through a six-claw drip arrow capable of realizing multi-point irrigation, the irrigation for the vegetation planting area 12 can be made more sufficient and the irrigation efficiency can be improved.

[0036] Optionally, a drip irrigation flow controller 251 is arranged on the second pipeline 25. The drip irrigation flow controller 251 is communicatively connected to the control host computer 31. The control module 3 further includes a soil sensor 33. The control host computer 31 is configured to start and stop the irrigation system 2 based on the plant growth data of the vegetation planting area 12 acquired by the soil sensor 33. Further, the drip irrigation flow controller 251 can also be arranged on the second pipeline 25 to cooperate with the soil sensor 33 buried in the vegetation planting area 12 for opening degree adjustment. For example, when the soil humidity is lower than 30%, the leaves of the xerophytes wither and turn yellow, and the stem development is slow, the data storage and processing center module in the control host computer 31 will issue a start drip irrigation instruction, and transmit the instruction to the irrigation system 2 to open the drip irrigation flow controller 251 to supply water to the end drip irrigation devices 26 for drip irrigation, and close it after the soil moisture and nutrients reach the requirements.

[0037] Optionally, the desert photovoltaic intelligent automatic irrigation device further includes a high-definition camera 5 and a meteorological monitor 6. The high-definition camera 5 and the meteorological monitor 6 are assembled by brackets on the side of the photovoltaic system 1 and are communicatively connected to the control host computer 31. Through the high-definition camera 5, the surface state of the photovoltaic panel 11 and the leaf surface and stem development state of the xerophytic plants between the plates in the vegetation planting area 12 can be accurately and real-time photographed and captured. Through the meteorological monitor 6, the meteorological data of the surrounding environment can be monitored, such as whether it will rain in the near future. By transmitting the above data to the control host computer 31, it is used as a basis for judging whether the photovoltaic panel 11 needs sprinkler irrigation and cleaning, and whether the xerophytic plants in the vegetation planting area 12 need drip irrigation and water replenishment, so as to achieve precise control of the irrigation system 2 and reduce resource waste.

[0038] Exemplarily, in the embodiment of the present invention, multiple groups of photovoltaic systems 1 can be arranged in parallel along the same direction. Correspondingly, a vegetation planting area 12 and a corresponding irrigation system 2 are provided under the photovoltaic panel 11 of each group of photovoltaic systems 1. The first pipeline 23 and the second pipeline 25 can be arranged on one side and connected to water sources such as the water pump 22 and the condensate collection device 21 through a main delivery pipeline arranged along the second direction. A multi-layer photovoltaic sand control square array is formed to further improve the sand control effect.

[0039] Optionally, the desert photovoltaic intelligent automatic irrigation device further includes a storage battery 4. The charging end of the storage battery 4 is connected to the photovoltaic panel 11, and the output end of the storage battery 4 is connected to the condensate water collection device 21. Exemplarily, in the embodiment of the present invention, the condensate water collection device 21 includes a semiconductor refrigeration sheet 211, a condensation box 212, a water storage tank 213 and related connecting pipes and other devices. The condensation box 212 is a cuboid device with a heat-insulating material (such as foam cotton or heat-insulating board) laid on its outer layer. Its lower surface is connected to the water storage tank 213 through a water intake pipe 214 and a valve and its controller. In the working environment with high humidity at night or cloudy and wet weather during the day, a number of semiconductor refrigeration sheets 211 are arranged on four of its surfaces, and a ventilation hole 215 or a fan 216 is arranged on the left side, which can strengthen the cold air condensation heat exchange process and promote the stable and continuous refrigerating capacity of the semiconductor refrigeration sheet 211. The photovoltaic power station generates direct current by the photovoltaic effect of the photovoltaic panel 11, which is converted into alternating current by an inverter a to provide a stable and sufficient power supply for the semiconductor refrigeration sheet 211. When energized, the temperature of the cold end of the semiconductor refrigeration sheet 211 located inside the box decreases. When the temperature of the condensation box 212 reaches the air condensation dew point, the water vapor in the air of the condensation box 212 will condense into water droplets on the cold-end fins and flow to the water storage tank 213. The hot end of the semiconductor refrigeration sheet 211 located outside the box is cooled by air through a fan 216. The water storage tank 213 is cylindrical and wrapped with a heat-insulating layer to prevent the evaporation of the condensate water, and is connected to pipes, water pumps and related controllers. When relevant sensors or devices of the photovoltaic power station (such as a soil sensor 33, a high-definition camera 5, a meteorological monitor 6 and a photovoltaic output power detector 32, etc.) detect a water shortage signal of the soil and xerophytes under or between the photovoltaic panels 11, or a signal that the surface of the photovoltaic panel 11 needs to be cleaned, the valve and its controller will be triggered to start the water pump 22, and the water drawn from the water storage tank 213 will be used for plant sand fixation and the cleaning of the surface of the photovoltaic panel. By using the storage battery 4 for power supply, the power supply self-sufficiency of the desert photovoltaic intelligent automatic irrigation device can be realized, reducing the dependence on external energy and reducing cost consumption.

[0040] Using the desert photovoltaic intelligent automatic irrigation device provided by the embodiments of the present utility model, the device includes a photovoltaic system 1, an irrigation system 2, and a control module 3. When the control module 3 monitors that the soil humidity in the vegetation planting area 12 below the photovoltaic panel 11 is lower than 30%, the xerophyte leaves wither and turn yellow, and the stem development is retarded, the control module 3 will send a drip irrigation instruction to the irrigation system 2 to timely supplement the water and nutrients required by the soil and plants; or when the actual output power of the photovoltaic panel is lower than 50% of the design value, or greater than 50% of the design value and less than 80% of the design value, and the cleaning cycle is greater than the induction period of dust accumulation and caking, the control module 3 will send a sprinkler irrigation instruction to the irrigation system 2 to timely clean the dust on the panel surface and supplement irrigation at the same time. The irrigation water is supplied by the condensate collection device 21, and its power is supplied by the photovoltaic system 1. It can not only control the soil desertification of the photovoltaic power station, improve the sand fixation effect of plants, but also timely remove the dust on the photovoltaic panel 11. Without additional regulation, it is self-circulating and reliable, and can realize sand fixation and panel cleaning intelligently and automatically. It can realize the collaborative sand control of photovoltaic and plants, reduce the consumption of traditional resources and costs, and ensure the sand control effect at the same time.

[0041] Unless otherwise defined, the technical terms or scientific terms used herein shall have the ordinary meanings understood by those of ordinary skill in the field to which the present utility model belongs. The "first", "second" and similar terms used in the description and claims of the patent application of the present utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, the similar terms such as "a" or "one" do not indicate a quantity limitation, but indicate that there is at least one. The terms such as "comprising" or "including" mean that the elements or objects appearing before "comprising" or "including" cover the elements or objects listed after "comprising" or "including" and their equivalents, and do not exclude other elements or objects. The terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The terms such as "upper", "lower", "left", "right" are only used to represent relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0042] The above are only optional embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A desert photovoltaic intelligent automatic irrigation device, characterized in that: include: Photovoltaic system (1), irrigation system (2) and control module (3), The photovoltaic system (1) comprises a plurality of photovoltaic panels (11) arranged at intervals in the same direction, and a vegetation planting area (12) arranged below the plurality of photovoltaic panels (11) and between the panels; The irrigation system (2) comprises a condensate collection device (21), a water pump (22), a first pipe (23) and a sprinkler irrigation device (24), wherein the first pipe (23) is arranged on the windward side of the plurality of photovoltaic panels (11), one end of the first pipe (23) is connected to the condensate collection device (21) via the water pump (22), and the sprinkler irrigation device (24) is installed on the first pipe (23) and arranged toward the photovoltaic panel (11); The control module (3) comprises a control host computer (31) and a photovoltaic output power detector (32), wherein the photovoltaic output power detector (32) is arranged on the photovoltaic panel (11), and the control host computer (31) is configured to start and stop the irrigation system (2) based on the output power value obtained by the photovoltaic output power detector (32).

2. The desert photovoltaic intelligent automatic irrigation device according to claim 1, characterized in that: A plurality of the sprinkler irrigation devices (24) are arranged along the extension direction of the first pipeline (23), and each of the sprinkler irrigation devices (24) is arranged between two adjacent photovoltaic panels (11).

3. The desert photovoltaic intelligent automatic irrigation device according to claim 2 is characterized in that: The sprinkler irrigation equipment (24) is a retractable rotating sprinkler head.

4. The desert photovoltaic intelligent automatic irrigation device according to claim 2 is characterized in that: The first pipeline (23) is provided with a sprinkler flow controller (231), and the sprinkler flow controller (231) is communicatively connected with the control host computer (31).

5. The desert photovoltaic intelligent automatic irrigation device according to claim 1, characterized in that: The irrigation system (2) further comprises a second pipe (25) and a drip irrigation device (26); the second pipe (25) is arranged in parallel with the first pipe (23) and is disposed below the plurality of photovoltaic panels (11); one end of the second pipe (25) is connected to the condensate collection device (21) via the water pump (22); and the drip irrigation device (26) is installed on the second pipe (25).

6. The desert photovoltaic intelligent automatic irrigation device according to claim 5, characterized in that: The drip irrigation device (26) is a six-claw drip arrow.

7. The desert photovoltaic intelligent automatic irrigation device according to claim 5 is characterized in that: The second pipeline (25) is provided with a drip irrigation flow controller (251), the drip irrigation flow controller (251) is communicatively connected with the control host computer (31), the control module (3) further comprises a soil sensor (33), and the control host computer (31) is configured to start and stop the irrigation system (2) based on plant growth data of the vegetation planting area (12) acquired by the soil sensor (33).

8. The desert photovoltaic intelligent automatic irrigation device according to any one of claims 1 to 7, characterized in that: The desert photovoltaic intelligent automatic irrigation device also includes a battery (4), a charging end of the battery (4) is connected to the photovoltaic panel (11), and an output end of the battery (4) is connected to the condensed water collection device (21).

9. The desert photovoltaic intelligent automatic irrigation device according to any one of claims 1 to 7, characterized in that: The desert photovoltaic intelligent automatic irrigation device further comprises a high-definition camera (5), wherein the high-definition camera (5) is arranged beside the photovoltaic system (1) and is communicatively connected to the control host computer (31).

10. The desert photovoltaic intelligent automatic irrigation device according to any one of claims 1 to 7, characterized in that: The desert photovoltaic intelligent automatic irrigation device further comprises a meteorological monitor (6), and the meteorological monitor (6) is communicatively connected to the control host computer (31).

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