Plant seedling protection cover suitable for desert photovoltaic power station

By designing a protective cover for plant seedlings suitable for desert photovoltaic power stations, the problems of wind and sand erosion and animal damage were solved, the survival rate of seedlings was improved, and the stability and sustainability of the structure were achieved.

CN224402405UActive Publication Date: 2026-06-26GANSU HUADIAN FUXIN ENERGY CORP LTD +2

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GANSU HUADIAN FUXIN ENERGY CORP LTD
Filing Date
2025-07-30
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

The survival rate of vegetation afforestation in desert areas is low, mainly due to wind and sand erosion, wild animal grazing, and damage from large animals and machinery. Existing technologies are insufficient to effectively protect plant seedlings.

Method used

A protective cover for plant seedlings suitable for desert photovoltaic power stations has been designed, including a protective structure and a fixing structure. An adjustable planting space is formed by the sliding connection and fastening components of the first and second protective nets, which are fixed to the ground to protect the seedlings from wind, sand and animal damage.

Benefits of technology

It significantly improves the survival rate of plant seedlings in desert areas, has a stable structure that can be reused, reduces afforestation costs, enhances the sustainability of desertification control, and has a wide range of applications.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a plant seedling protection cover suitable for desert photovoltaic power station relates to environmental management field, it includes protection structure and fixed structure, protection structure includes first protection net, second protection net and fastening assembly, first protection net has first planting space, second protection net has second planting space, first protection net is slidably connected with second protection net in preset direction, first planting space is connected with second planting space, fastening assembly is connected with first protection net and second protection net simultaneously to limit first protection net and second protection net relative sliding, fixed structure is connected with second protection net, and fixed structure is used for inserting and fixing in stratum, it can improve the survival rate of plant seedling in desert area.
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Description

Technical Field

[0001] This utility model relates to the field of environmental governance, and more specifically, to a protective cover for plant seedlings suitable for desert photovoltaic power stations. Background Technology

[0002] Desert regions have harsh natural environments, arid climates, frequent sandstorms, and extremely low vegetation cover. Combating desertification requires significant human and financial investment, with vegetation restoration and afforestation projects being one of the most crucial and common methods. However, the applicant's long-term research and practice have revealed that the survival rate of afforestation in desert regions is generally low, primarily due to the following factors:

[0003] (1) Severe wind and sand erosion: The wind and sand flow is strong in desert areas, especially between April and June each year, which coincides with the critical period for plant planting in Northwest my country. The strong wind and sand flow causes multiple damages to plant seedlings, such as "sand cutting", wind erosion and sand burial, which greatly reduces the survival rate of seedlings;

[0004] (2) The problem of wild animal grazing is prominent: Wild animals in desert ecosystems rely on plants as their main food source, especially seedlings, buds, and bark. Newly planted plants often die in large areas due to animal grazing;

[0005] (3) Mechanical damage from large animals: Domestic animals such as camels, cattle, and sheep, or wild animals, are accustomed to rubbing their bodies against tree trunks, causing saplings to be knocked down or broken, thus affecting their normal growth or even causing death. Based on the above problems, it is urgent to develop a plant seedling protection device suitable for desert environments to effectively resist the adverse effects of wind and sand, animal attacks, and climate change, thereby improving the survival rate of plants and promoting the efficient implementation of desertification control work. Utility Model Content

[0006] The purpose of this invention includes, for example, providing a protective cover for plant seedlings suitable for desert photovoltaic power stations, which can improve the survival rate of plant seedlings in desert areas.

[0007] The embodiments of this utility model can be implemented as follows:

[0008] In a first aspect, this utility model provides a protective cover for plant seedlings suitable for desert photovoltaic power stations, comprising:

[0009] A protective structure and a fixing structure are provided. The protective structure includes a first protective net, a second protective net, and a fastening component. The first protective net has a first planting space, and the second protective net has a second planting space. The first protective net and the second protective net are slidably connected in a preset direction, and the first planting space communicates with the second planting space. The fastening component is connected to both the first and second protective nets to restrict relative sliding between them. The fixing structure is connected to the second protective net and is used for insertion and fixing to the ground.

[0010] In an optional embodiment, the first protective net includes a first mesh panel and a first locking member. The first mesh panel has a first side and a second side facing each other. The first side is provided with a first connecting ring, and the second side is provided with a second connecting ring. The first side and the second side are joined together to form the first planting space by the first mesh panel. The first locking member is fixedly connected to both the first connecting ring and the second connecting ring.

[0011] In an optional embodiment, the first protective net further includes a guide rod, which is fixedly connected to the first mesh panel and slidably connected to the second protective net in the preset direction; the fastening assembly is connected to both the guide rod and the second protective net to restrict the sliding of the first protective net relative to the second protective net.

[0012] In an optional embodiment, the second protective net includes a second mesh panel and a second locking member. The second mesh panel has a third side and a fourth side facing each other. A third connecting ring is provided on the third side, and a fourth connecting ring is provided on the fourth side. The third side and the fourth side are joined together to form the second planting space by the second mesh panel. The second locking member is fixedly connected to both the third connecting ring and the fourth connecting ring.

[0013] The guide rod is slidably connected to the second mesh panel.

[0014] In an optional embodiment, the second protective net further includes a mounting lug, the mounting lug being provided with a mounting through hole; the guide rod passes through the mounting through hole;

[0015] The fastening assembly includes a first nut and a second nut, both of which are screwed to the guide rod. The first nut and the second nut cooperate to clamp the mounting lug.

[0016] In an optional embodiment, the second mesh includes rectangular pieces and fan-shaped pieces, the rectangular pieces forming a cylinder of equal diameter, the fan-shaped pieces forming a tapered cylinder of varying diameter, and one end of the cylinder being fixedly connected to the smaller diameter end of the tapered cylinder.

[0017] The first mesh sheet is slidably connected to the cylinder; the fastening assembly is connected to the conical cylinder.

[0018] In an optional embodiment, the second mesh further includes a connecting plate, which is connected to the larger diameter end of the conical cylinder. The connecting plate protrudes outward from the outer circumferential surface of the conical cylinder along its radial direction. A fixing through hole is provided on the connecting plate, and the fastening component passes through the fixing through hole.

[0019] In an optional implementation, the connecting plate is configured as an annular plate.

[0020] In an optional embodiment, the plant seedling protective cover further includes a straightening component, which is provided with a hanging groove and a straightening groove. The hanging groove is detachably suspended from the top of the first protective net, and the straightening groove is located within the first planting space. The straightening groove is used to accommodate the stem of the plant.

[0021] In an optional embodiment, the straightening member includes a first elastic arm and a second elastic arm arranged at an angle, the first elastic arm and the second elastic arm cooperating to form the suspension groove that can automatically adjust its size.

[0022] The beneficial effects of this utility model embodiment include, for example:

[0023] In summary, the plant seedling protective cover for desert photovoltaic power stations provided in this embodiment allows for the adjustment of the height of the first and second protective nets by sliding them together according to the height of the seedlings before use. The first and second protective nets are then secured using fastening components. The adjusted nets are then placed over the seedlings, and the bottom of the second protective net is fixed to the sand using a fixing structure. This combination of the first and second protective nets effectively protects the plants from wind and sand erosion and damage from wild animals, significantly improving the survival rate of plants planted in desert areas. The protective cover has a reasonable structural design, good stability and adaptability, and is reusable, possessing recycling characteristics. The device is easy to install and disassemble, facilitating large-scale deployment and subsequent unified recycling and storage in practical applications, which helps reduce afforestation costs and improve the sustainability of desertification control. During use, the protective height can be adjusted according to the seedling height, making it flexible and widely applicable. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram illustrating the application of the plant seedling protective cover for desert photovoltaic power stations in this embodiment;

[0026] Figure 2 This is a schematic diagram of a modified plant seedling protective cover applicable to desert photovoltaic power stations according to this embodiment;

[0027] Figure 3 This is a schematic diagram of the unfolded first protective net in this embodiment;

[0028] Figure 4 This is a schematic diagram of the closure of the first protective net in this embodiment;

[0029] Figure 5 This is an exploded view of the second protective net in this embodiment;

[0030] Figure 6 This is a schematic diagram of the straightening component and the first protective net in this embodiment.

[0031] icon:

[0032] 100 - Protective structure; 110 - First protective net; 111 - First mesh panel; 112 - First locking element; 113 - Guide rod; 114 - First connecting ring; 115 - Second connecting ring; 120 - Second protective net; 121 - Second mesh panel; 1211 - Rectangular piece; 1222 - Fan-shaped piece; 1223 - Connecting plate; 1224 - Fixing through hole; 122 - Second locking element; 123 - Mounting lug; 124 - Third connecting ring; 125 - Fourth connecting ring; 130 - Fastening assembly; 131 - First nut; 132 - Second nut; 200 - Fixing structure; 300 - Straightening element; 310 - First elastic arm; 320 - Second elastic arm; 330 - Suspension groove; 340 - Straightening groove; 001 - Plant seedling. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0035] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0036] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product is usually placed during use, 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, and therefore should not be construed as a limitation of this utility model.

[0037] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0038] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0039] In existing technologies, plant seedlings in desert areas are completely exposed after planting, making them susceptible to being blown down by wind and sand, as well as being damaged by poultry or wild animals, resulting in a low survival rate.

[0040] In view of this, the designers have provided a protective cover for plant seedlings suitable for desert photovoltaic power plants, which can protect plant seedlings 001 and improve the survival rate of plant seedlings 001.

[0041] Please refer to Figures 1-6 This embodiment provides a protective cover for plant seedlings suitable for desert photovoltaic power stations, comprising:

[0042] The protective structure 100 and the fixing structure 200 are included. The protective structure 100 includes a first protective net 110, a second protective net 120, and a fastening component 130. The first protective net 110 has a first planting space, and the second protective net 120 has a second planting space. The first protective net 110 and the second protective net 120 are slidably connected in a preset direction, and the first planting space communicates with the second planting space. The fastening component 130 is connected to both the first protective net 110 and the second protective net 120 to limit the relative sliding of the first protective net 110 and the second protective net 120. The fixing structure 200 is connected to the second protective net 120 and is used for insertion and fixing to the ground.

[0043] As described above, the method of using the plant seedling protective cover for desert photovoltaic power stations provided in this embodiment is as follows:

[0044] Before use, the height of the first protective net 110 and the second protective net 120 can be adjusted by sliding them together according to the height of the plant seedling 001. Then, the first protective net 110 and the second protective net 120 are locked together using the fastening component 130. The adjusted first protective net 110 and the second protective net 120 are then placed over the plant seedling 001, and the bottom of the second protective net 120 is fixed to the sand using the fixing structure 200. In this way, the first protective net 110 and the second protective net 120 work together to effectively protect the plants from wind and sand erosion and damage from wild animals, thereby significantly improving the survival rate of plant planting in desert areas. The protective cover has a reasonable structural design, good stability and adaptability, and is reusable, possessing the characteristics of recycling. The device is easy to install and quick to disassemble, facilitating batch deployment in practical applications and unified recycling and storage in the later stages, which helps to reduce afforestation costs and improve the sustainability of desertification control. During use, the protective height can be adjusted according to the height of the plant seedling 001, making it flexible in use and applicable to a wide range of situations.

[0045] The following embodiments illustrate the details of the plant seedling protective cover of this application by way of example.

[0046] Please refer to Figures 1-6 In this embodiment, optionally, the plant seedling protective cover includes a protective structure 100, a fixing structure 200, and two uprighting members 300. The protective structure 100 is used to cover the plant seedling 001, the fixing structure 200 is used to fix the protective structure 100 to the sand, and the two uprighting members 300 are detachably installed on the protective structure 100 and are suspended relative to the protective structure 100. The two uprighting members 300 working together can reduce the probability of the plant seedling 001 tipping over.

[0047] Optionally, the protective structure 100 includes a first protective net 110, a second protective net 120, and a fastening component 130. The first protective net 110 has a first planting space, and the second protective net 120 has a second planting space. The first protective net 110 and the second protective net 120 are slidably connected in a preset direction, and the first planting space communicates with the second planting space. The fastening component 130 is simultaneously connected to both the first protective net 110 and the second protective net 120 to restrict the relative sliding of the first protective net 110 and the second protective net 120. It should be understood that the relative position of the first protective net 110 and the second protective net 120 can be determined according to the height of the plant seedling 001, and the size of the planting space enclosed by the first protective net 110 and the second protective net 120 can also be adaptively adjusted according to the size of different plant seedlings 001. By adjusting the relative position of the first protective net 110 and the second protective net 120, it is possible to adapt to the protection of plant seedlings 001 of different heights, with a wide range of applications and without easily affecting the normal growth of plants.

[0048] Please refer to Figures 2-3 Optionally, the first protective net 110 includes a first mesh panel 111, a first locking member 112, and two guide rods 113. The first mesh panel 111 can be a rectangular mesh panel, having a first side and a second side opposite each other along its length. A first connecting ring 114 is provided on the first side, and a second connecting ring 115 is provided on the second side. The first side and the second side are joined together to form a first planting space, which is approximately a cylindrical hole. The first locking member 112 is fixedly connected to both the first connecting ring 114 and the second connecting ring 115, thereby restricting the automatic unfolding of the first mesh panel 111 and ensuring that the first mesh panel 111 can form a stable first planting space. Both guide rods 113 are fixed to the outer side of the first mesh panel 111, and the two guide rods 113 are arranged centrally symmetrically about the central axis of the first planting space. Each guide rod 113 can be configured as a cylindrical rod, and at least a portion of the outer circumferential surface of the guide rod 113 can be machined with threaded grooves. During specific assembly, the top end of the guide rod 113 can be welded to the first mesh 111, and the rest of the guide rod 113 has a gap with the first mesh 111, thereby forming a space to avoid the second protective net 120.

[0049] It should be understood that the mesh size of the first mesh 111 can be designed as needed, and no specific limitation is made in this embodiment.

[0050] Furthermore, the first locking element 112 can be a bolt or wire, etc. The number of guide rods 113 is not limited to two; in other embodiments, the number of guide rods 113 can also be one or three, etc.

[0051] Alternatively, in other embodiments, the first mesh 111 may not be fixed by the first locking member 112, but may be fixed by the mutually cooperating snap fasteners provided on the first and second sides of the first mesh 111. In this case, the first connecting ring 114 and the second connecting ring 115 can be omitted.

[0052] Please refer to Figure 2 and Figure 5 Optionally, the second protective net 120 includes a second mesh panel 121, a second locking member 122, and two mounting lugs 123. The second mesh panel 121 has opposing third and fourth sides. A third connecting ring 124 is provided on the third side, and a fourth connecting ring 125 is provided on the fourth side. The third and fourth sides are joined together to form a second planting space with the second mesh panel 121. The second locking member 122 is fixedly connected to both the third connecting ring 124 and the fourth connecting ring 125, thereby preventing the second mesh panel 121 from automatically unfolding and ensuring that the second mesh panel 121 can form a stable second planting space. The two mounting lugs 123 are fixed to the outer side of the second mesh panel 121, and the two mounting lugs 123 are symmetrically arranged. Each mounting lug 123 is provided with a mounting through hole. When the first mesh 111 forming a ring structure is inserted into the second mesh 121 forming a ring structure, the bottom ends of the two guide rods 113 are respectively inserted into the two mounting through holes. The position adjustment is achieved by the cooperation of the guide rods 113 and the mounting through holes, and the adjustment is stable, reliable and convenient.

[0053] Optionally, the fastening assembly 130 includes a first nut 131 and a second nut 132. Both the first nut 131 and the second nut 132 are screwed onto the guide rod 113. The first nut 131 and the second nut 132 cooperate to clamp the mounting lug 123. By rotating the first nut 131 and the second nut 132, their height positions on the guide rod 113 are adjusted, thereby adjusting the height of the first protective net 110 relative to the second protective net 120. It should be understood that there are two fastening assemblies 130, each cooperating with one of the two guide rods 113. During adjustment, it is sufficient to ensure that the heights of the two fastening assemblies 130 are consistent.

[0054] In other embodiments, optionally, the second mesh 121 includes a rectangular piece 1211, a fan-shaped piece 1222, and a connecting plate 1223. The rectangular piece 1211 forms a cylinder of equal diameter, and the fan-shaped piece 1222 forms a tapered cylinder of varying diameter. The apex of the tapered cylinder is cut off, meaning the longitudinal profile of the tapered cylinder is an isosceles trapezoid. One end of the cylinder is fixedly connected to the end of the tapered cylinder with a smaller diameter; the connecting plate 1223 is connected to the end of the tapered cylinder with a larger diameter, and the connecting plate 1223 protrudes radially outward from the outer circumferential surface of the tapered cylinder. The connecting plate 1223 is provided with fixing through holes 1224, and there can be multiple fixing through holes 1224, which are spaced apart in the circumferential direction of the tapered cylinder. The fastening component 130 can be set as a plug rod, and there can be multiple fastening components 130. One plug rod can be inserted into each fixing through hole 1224. By using multiple plug rods, the connecting plate 1223 is fixed to the ground surface, thereby realizing the fixation of the second protective net 120.

[0055] It should be understood that the connecting plate 1223 can be an annular plate, and multiple evenly spaced fixing through holes 1224 can be arranged around the circumference of the connecting plate 1223 to improve the fixing effect of the protective structure 100. By setting the second mesh 121 as a structure of a cylinder of equal diameter and a tapered cylinder of varying diameter, during assembly, the first mesh 111 is inserted into the top of the cylinder, that is, the mounting lug 123 is fixed to the outer circumference of the cylinder, and the guide rod 113 on the first mesh 111 is fixedly connected to the mounting lug 123 through the fastening assembly 130. The tapered cylinder is located below and cooperates with the connecting plate 1223, which can increase the contact area between the protective structure 100 and the ground surface, and can also make the center of gravity of the protective structure 100 move downward, thereby improving the stability of the protective structure 100. At the same time, it can also provide more space for the root position of the plant seedling 001, which is conducive to the growth of the plant seedling 001.

[0056] It should be noted that during the processing of the second mesh 121, the rectangular sheet 1211, the fan-shaped sheet 1222, and the connecting plate 1223 can be processed independently. The rectangular sheet 1211 is formed into a cylinder, and the fan-shaped sheet 1222 is formed into a conical cylinder. Then, the cylinder and the conical cylinder are welded together, and the connecting plate 1223 is welded to the conical cylinder. Furthermore, the diameter and number of mesh openings on the rectangular sheet 1211 and the fan-shaped sheet 1222 can be designed as needed.

[0057] In addition, the bottom of the insertion rod can be set as a pointed tip, and the top can be set with an anti-detachment cap. The pointed tip of the insertion rod passes through the fixing through hole 1224 and is inserted into the bottom layer. The anti-detachment cap contacts the top surface of the connecting plate 1223, and the protective structure 100 is pressed by the anti-detachment cap.

[0058] Optionally, there can be two straightening components 300. The two straightening components 300 work together to restrict the position of the plant seedling 001 trunk and prevent the plant seedling 001 from falling over.

[0059] Please refer to Figure 6 For example, the straightening component 300 includes a first elastic arm 310 and a second elastic arm 320 arranged at an angle. The first elastic arm 310 and the second elastic arm 320 cooperate to form a hanging groove 330 that can automatically adjust its size. One end of the second elastic arm 320 is provided with a straightening groove 340, which is approximately a semi-cylindrical groove, allowing the tree trunk to be located in the area between the two semi-cylindrical grooves. In use, after the protective structure 100 is installed outside the plant seedling 001, the first elastic arm 310 and the second elastic arm 320 are opened at a certain angle. The first net 111 is inserted from above using the opening of the hanging groove 330. The first elastic arm 310 is located on the outside of the first net 111, and the second elastic arm 320 is located on the inside of the first net 111. After being released, the first elastic arm 310 and the second elastic arm 320 approach each other under the action of elasticity, and the two cooperate to clamp the first net 111, making installation convenient.

[0060] The plant seedling protective cover provided in this embodiment is mainly suitable for plant protection in desert areas. Obviously, it is also suitable for plant protection in other environments, but no specific limitations are made in this embodiment.

[0061] The plant seedling protective cover provided in this embodiment, through its scientifically designed structure, effectively blocks direct damage to plants from wind and sand, significantly reducing the harm caused by sand cutting, wind erosion, and sand burial to the seedlings and plants, thereby improving the survival rate. This protective cover effectively prevents wild animals from grazing on the seedlings, bark, and new branches and leaves, while also inhibiting animal behavior such as rubbing against the trunk, preventing plant death due to trunk collapse. Furthermore, the protective cover has excellent microenvironment regulation capabilities, effectively reducing local wind speed and minimizing wind erosion around the plants, thus providing a more stable and favorable growth environment and contributing to improved growth rate and survival rate. The overall structure is scientifically designed, easy to construct, widely applicable, and has good scalability and compatibility, adaptable to various types of psammophytic plants, and has broad prospects for widespread application.

[0062] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A protective cover for plant seedlings suitable for desert photovoltaic power stations, characterized in that, include: A protective structure (100) and a fixing structure (200); the protective structure (100) includes a first protective net (110), a second protective net (120), and a fastening component (130). The first protective net (110) has a first planting space, and the second protective net (120) has a second planting space. The first protective net (110) and the second protective net (120) are slidably connected in a preset direction, and the first planting space communicates with the second planting space. The fastening component (130) is connected to both the first protective net (110) and the second protective net (120) to limit the relative sliding of the first protective net (110) and the second protective net (120). The fixing structure (200) is connected to the second protective net (120) and is used for insertion and fixing to the ground.

2. The protective cover for plant seedlings suitable for desert photovoltaic power stations according to claim 1, characterized in that: The first protective net (110) includes a first mesh (111) and a first locking member (112). The first mesh (111) has a first side and a second side opposite to each other. The first side is provided with a first connecting ring (114), and the second side is provided with a second connecting ring (115). The first side and the second side are connected to each other so that the first mesh (111) surrounds the first planting space. The first locking member (112) is fixedly connected to both the first connecting ring (114) and the second connecting ring (115).

3. The protective cover for plant seedlings suitable for desert photovoltaic power stations according to claim 2, characterized in that: The first protective net (110) further includes a guide rod (113), which is fixedly connected to the first mesh (111) and slidably connected to the second protective net (120) in the preset direction; the fastening assembly (130) is connected to both the guide rod (113) and the second protective net (120) to restrict the sliding of the first protective net (110) relative to the second protective net (120).

4. The protective cover for plant seedlings suitable for desert photovoltaic power stations according to claim 3, characterized in that: The second protective net (120) includes a second mesh panel (121) and a second locking member (122). The second mesh panel (121) has a third side and a fourth side. The third side is provided with a third connecting ring (124), and the fourth side is provided with a fourth connecting ring (125). The third side and the fourth side are connected to each other so that the second mesh panel (121) forms the second planting space. The second locking member (122) is fixedly connected to both the third connecting ring (124) and the fourth connecting ring (125). The guide rod (113) is slidably connected to the second mesh (121).

5. The protective cover for plant seedlings suitable for desert photovoltaic power stations according to claim 4, characterized in that: The second protective net (120) also includes a mounting lug (123), which is provided with a mounting through hole; the guide rod (113) passes through the mounting through hole; The fastening assembly (130) includes a first nut (131) and a second nut (132), both of which are screwed to the guide rod (113). The first nut (131) and the second nut (132) cooperate to clamp the mounting lug (123).

6. The protective cover for plant seedlings suitable for desert photovoltaic power stations according to claim 4 or 5, characterized in that: The second mesh (121) includes a rectangular piece (1211) and a fan-shaped piece (1222). The rectangular piece (1211) forms a cylinder of equal diameter, and the fan-shaped piece (1222) forms a tapered cylinder of varying diameter. One end of the cylinder is fixedly connected to the end of the tapered cylinder with the smaller diameter. The first mesh (111) is slidably connected to the cylinder; the fastening assembly (130) is connected to the conical cylinder.

7. The protective cover for plant seedlings suitable for desert photovoltaic power stations according to claim 6, characterized in that: The second mesh (121) also includes a connecting plate (1223), which is connected to the larger diameter end of the conical cylinder. The connecting plate (1223) protrudes outward from the outer circumferential surface of the conical cylinder along the radial direction. A fixing through hole (1224) is provided on the connecting plate (1223). The fastening component (130) passes through the fixing through hole (1224).

8. The protective cover for plant seedlings suitable for desert photovoltaic power stations according to claim 7, characterized in that: The connecting plate (1223) is configured as an annular plate.

9. The protective cover for plant seedlings suitable for desert photovoltaic power stations according to claim 1, characterized in that: The plant seedling protective cover also includes a straightening component (300), which is provided with a hanging groove (330) and a straightening groove (340). The hanging groove (330) is detachably suspended from the top of the first protective net (110), and the straightening groove (340) is located in the first planting space. The straightening groove (340) is used to accommodate the stem of the plant.

10. The protective cover for plant seedlings suitable for desert photovoltaic power stations according to claim 9, characterized in that: The straightening member (300) includes a first elastic arm (310) and a second elastic arm (320) arranged at an angle. The first elastic arm (310) and the second elastic arm (320) cooperate to form the suspension groove (330) that can automatically adjust its size.