Water conservancy management system for smart agriculture

Abstract

The invention relates to the technical field of water conservancy projects, and particularly discloses a water conservancy management system for smart agriculture. A plurality of monitoring mechanisms are arranged on the two sides of the top end of the planting mountainous region, an irrigation canal is formed in the middle of the top end of the planting mountainous region, two adjusting mechanisms are installed in each monitoring mechanism, and a power supply mechanism is installed at the top end of the irrigation canal; by integrating the soil temperature and humidity sensor and the water level gauge, environmental data of the mountain terrace can be accurately collected in real time, the data provides a scientific basis for a water conservancy management system, the system can dynamically predict the farmland water demand and the waterlogging risk, and therefore the adjusting mechanism is controlled to achieve precise irrigation and drainage of the farmland, and the water conservancy management system is suitable for popularization and application. The utilization efficiency of water resources is improved, the stability and disaster resistance of agricultural production are remarkably improved, and a solid foundation is laid for agricultural sustainable development of mountain terraces.

Description

Technical Field

[0001] The present invention belongs to the technical field of water conservancy engineering, and particularly relates to a water conservancy management system for smart agriculture. Background Art

[0002] Agricultural water management refers to a series of tasks that involve planning, organizing, directing, coordinating and controlling the construction, operation, maintenance of agricultural water facilities, water resource allocation, irrigation and drainage, and other activities in order to rationally develop, utilize, conserve and protect water resources, ensure the water demand for agricultural production, and improve the comprehensive agricultural production capacity.

[0003] In a Chinese patent with publication number CN211773451U, a water conservancy system for smart agriculture is mentioned. The linkage parts are activated to open the cover and close the water baffle. The water baffle is sealed at the opening of the water inlet. The water in the irrigation channel is not easy to enter the farmland, so that the water in the farmland should not be too much and the crops in the farmland are not easily flooded. The water falling into the irrigation channel flows into the water tank from the opening of the water tank for storage, so that the water in the irrigation channel is not easy to flow directly into the river, thereby improving the rational use of water resources. By linking the cover plate and the water retaining plate, the operation of one can be achieved by driving the other, thereby improving the convenience of operation; however, it is difficult for this water conservancy system to accurately estimate the water demand of farmland. During the irrigation process, insufficient irrigation often occurs, resulting in crop water shortage and reduced yield, or excessive irrigation causes serious waste of water resources. At the same time, excessive reliance on manual experience for water conservancy management decisions lacks scientificity and timeliness, and is weak in responding to natural disasters such as sudden waterlogging, resulting in poor agricultural production stability, significant fluctuations in crop yields, and low water resource utilization, which seriously restricts the sustainable development of mountain terraced agriculture. Summary of the Invention

[0004] The purpose of the present invention is to provide a water management system for smart agriculture to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A water management system for smart agriculture, comprising:

[0007] Planting hills;

[0008] A plurality of monitoring mechanisms are provided on both sides of the top of the planting mountain, an irrigation channel is opened in the middle of the top of the planting mountain, two regulating mechanisms are installed inside the plurality of monitoring mechanisms, and a power supply mechanism is installed at the top of the irrigation channel;

[0009] The monitoring mechanism includes mountain farmland, a water level meter, a soil temperature and humidity sensor, a water inlet and a water outlet. The mountain farmland is opened on the outer wall of the cultivated mountain, the water level meter is installed on the inner wall on one side of the mountain farmland, the soil temperature and humidity sensor is installed in the middle of the bottom inner wall of the mountain farmland, the water inlet is opened on the inner wall near the irrigation canal, and the water outlet is opened on the inner wall on the other side of the mountain farmland.

[0010] Preferably, a barrier net is installed at the top of the irrigation channel, multiple drainage channels are opened on both sides of the top of the planting mountain, multiple drainage outlets are opened on the inner walls on both sides of the irrigation channel, a drainage baffle is installed on the bottom inner wall of the irrigation channel, and a controller is installed inside the power supply mechanism.

[0011] Preferably, the bottom inner wall of the drainage channel is configured as an inclined structure, and the drainage channel is connected to the irrigation channel through a drainage outlet, and the drainage baffle is configured as an inclined structure.

[0012] Preferably, the water level meter and the soil temperature and humidity sensor are both electrically connected to the controller, the water inlet connects the mountain farmland with the irrigation channel, the water outlet connects the mountain farmland with the drainage channel, and guide grooves are provided on the inner walls on both sides of the water outlet.

[0013] Preferably, the adjustment mechanism includes a gantry, a limit groove, an adjustment gate, an adjustment screw and an adjustment barrel. The gantry is installed at the top of the mountain farmland. There are two limit grooves, and the two limit grooves are respectively opened on the inner walls on both sides of the gantry. The adjustment gate is slidably installed between the two limit grooves. The adjustment screw is installed in the middle of the top of the adjustment gate through a bearing. The adjustment barrel is threadedly installed on the outer surface of the adjustment screw, and the lower part of the outer surface of the adjustment barrel is installed on the top frame wall of the gantry through a bearing.

[0014] Preferably, a large bevel gear is installed on the upper portion of the outer surface of the adjusting screw, a fixed block is installed on one side of the top of the gantry, a driver is installed on the upper portion of one end of the fixed block, a small bevel gear is installed on the output end of the driver, and one end of the small bevel gear is installed on the other end of the fixed block through a bearing.

[0015] Preferably, the large bevel gear is meshed with the small bevel gear, and the driver is electrically connected to the controller.

[0016] Preferably, the power supply mechanism includes a fixed plate, a power generation mechanism, a support frame, a solar panel and a battery. The fixed plate is installed at the top of the irrigation channel, the power generation mechanism is installed at the bottom end of the fixed plate, two support frames are provided, and both support frames are installed at the top of the fixed plate, the solar panel is installed between the top ends of the two support frames, the battery is installed at the bottom end of the solar panel, and the two ends of the battery are respectively installed on the opposite sides of the two support frames.

[0017] Preferably, the power generation mechanism includes a fixed shaft, a mounting plate, a mounting groove, power generation blades and a power generator. There are two mounting plates, and the two mounting plates are respectively mounted on the top and bottom ends of the fixed shaft. The opposite surfaces of the two mounting plates are respectively mounted on the bottom inner wall of the irrigation channel and the bottom end of the fixed plate through bearings. There are multiple mounting grooves and power generation blades, and the multiple mounting grooves are respectively opened on the opposite surfaces of the two mounting plates. The multiple power generation blades are respectively installed between the two corresponding mounting grooves on the upper and lower sides. The power generator is installed on the top of the upper mounting plate.

[0018] Preferably, the mounting groove and the power generation blades are both configured as arc-shaped structures, the power generator and the solar panel are both electrically connected to the battery, and the support frame is configured as an H-shaped structure.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] (1) The present invention sets up multiple monitoring mechanisms on the outer surface of the planting mountain. By integrating soil temperature and humidity sensors and water level meters, it can collect environmental data of mountain terraces in real time and accurately. These data provide a scientific basis for the water management system, enabling the system to dynamically predict the water demand and waterlogging risk of farmland, thereby controlling the regulating mechanism to achieve precise irrigation and drainage of farmland, which not only improves the utilization efficiency of water resources, but also significantly enhances the stability and disaster resistance of agricultural production, laying a solid foundation for the sustainable development of agriculture in mountain terraces.

[0021] (2) The present invention sets an adjustment mechanism inside the monitoring mechanism, which drives the small bevel gear to rotate through the driver, and then drives the adjustment gate to move upward through the meshing transmission between the small bevel gear and the large bevel gear, so as to achieve precise adjustment of the irrigation water volume and drainage volume of mountain farmland, thereby reducing the waste of water resources and the impact of disasters on mountain terrace crops. At the same time, the automated adjustment of the adjustment mechanism reduces the need for manual intervention and improves the convenience and efficiency of water management.

[0022] (3) The present invention sets up a power generation mechanism on the outer surface of the planting mountain. The solar panels can effectively supplement electricity on sunny days. The water flow impacts the power generation blades, driving the fixed shaft to rotate the power generator, thereby realizing hydroelectric power generation. Through the two green energy power generation technologies of hydroelectric power generation and solar power generation, stable and reliable power support is provided for the water conservancy management system. This self-powered cycle design enables the system to completely get rid of its dependence on the external power grid, reduces operation and maintenance costs, and improves the system's self-sufficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is one of the three-dimensional diagrams of the present invention;

[0024] Figure 2 is a cross-sectional view of the present invention;

[0025] Figure 3 This is the second stereogram of the present invention;

[0026] Figure 4 For the present invention Figure 3 A magnified view of middle A;

[0027] Figure 5 A perspective view of the adjustment mechanism of the present invention;

[0028] Figure 6 For the present invention Figure 5 Enlarged view of middle B;

[0029] Figure 7 A perspective view of the power supply mechanism of the present invention;

[0030] Figure 8 is a three-dimensional diagram of the power generation mechanism of the present invention;

[0031] In the figure: 1. Planting mountain; 2. Monitoring mechanism; 3. Irrigation channel; 4. Regulation mechanism; 5. Power supply mechanism; 6. Barrier net; 7. Drainage channel; 8. Drainage outlet; 9. Drainage baffle; 10. Controller;

[0032] 21. Mountain farmland; 22. Water level gauge; 23. Soil temperature and humidity sensor; 24. Water inlet; 25. Water outlet;

[0033] 41. Gantry; 42. Limiting slot; 43. Adjusting gate; 44. Adjusting screw; 45. Adjusting screw barrel; 46. Large bevel gear; 47. Fixing block; 48. Driver; 49. Small bevel gear;

[0034] 51. Fixed plate; 52. Power generation mechanism; 53. Support frame; 54. Solar panel; 55. Battery;

[0035] 521. Fixed shaft; 522. Mounting plate; 523. Mounting slot; 524. Power generating blade; 525. Power generator. DETAILED DESCRIPTION

[0036] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0037] Example 1:

[0038] See also Figures 1 to 8As shown, a water management system for smart agriculture includes:

[0039] Planting hilly land 1;

[0040] A plurality of monitoring mechanisms 2 are provided on both sides of the top of the planting mountain 1. An irrigation channel 3 is provided in the middle of the top of the planting mountain 1. Two regulating mechanisms 4 are installed inside the plurality of monitoring mechanisms 2. A power supply mechanism 5 is installed at the top of the irrigation channel 3.

[0041] The monitoring mechanism 2 includes a mountain farmland 21, a water level meter 22, a soil temperature and humidity sensor 23, a water inlet 24 and a water outlet 25. The mountain farmland 21 is opened on the outer wall of the planting mountain 1, the water level meter 22 is installed on the inner wall of one side of the mountain farmland 21, the soil temperature and humidity sensor 23 is installed in the middle of the bottom inner wall of the mountain farmland 21, the water inlet 24 is opened on the inner wall near the irrigation channel 3, and the water outlet 25 is opened on the inner wall of the other side of the mountain farmland 21.

[0042] Depend on Figures 1 to 4 It can be seen that a barrier net 6 is installed at the top of the irrigation channel 3, multiple drainage channels 7 are opened on both sides of the top of the planting mountain 1, multiple drainage outlets 8 are opened on the inner walls on both sides of the irrigation channel 3, a drainage baffle 9 is installed on the bottom inner wall of the irrigation channel 3, and a controller 10 is installed inside the power supply mechanism 5.

[0043] As can be seen from the above, through the soil temperature and humidity sensors 23 and water level meters 22 installed in each mountain farmland 21, the environmental data of each mountain farmland 21 can be collected separately in real time and accurately, and the data can be transmitted to the controller 10. These data provide a scientific basis for the water management system, so that the system can dynamically predict the water demand and waterlogging risk of farmland, and according to actual needs, the controller 10 controls the regulating mechanism 4 at the water inlet 24 to start, so that the water in the irrigation channel 3 enters the mountain farmland 21 through the water inlet 24. The soil temperature and humidity sensor 23 accurately estimates the water demand of farmland, avoiding the insufficient irrigation that often occurs during the irrigation process, resulting in water shortage and reduced yield of crops, or excessive irrigation that causes water resources to be lost. There is a serious waste of water. At the same time, the controller 10 can also control the start-up of the regulating mechanism 4 at the water outlet 25, so that the water in the mountain farmland 21 flows into the drainage channel 7 through the water outlet 25, and finally the water flows back to the irrigation channel 3 through the drainage port 8, thereby realizing precise irrigation and drainage. The controller 10 flexibly controls the regulating mechanism 4 through the monitoring mechanism 2, which solves the problem of over-reliance on manual experience for water management decision-making, and makes the water management system scientific and timely, and can respond to sudden waterlogging natural disasters in a timely manner. This not only improves the utilization efficiency of water resources, but also significantly improves the stability and disaster resistance of agricultural production, laying a solid foundation for the sustainable development of agriculture in mountain terraces.

[0044] Specifically, refer to Figures 1 to 4As shown, the bottom inner wall of the drainage channel 7 is set to an inclined structure, and the drainage channel 7 is connected to the irrigation channel 3 through the drainage outlet 8, and the drainage baffle 9 is set to an inclined structure; the water level meter 22 and the soil temperature and humidity sensor 23 are both electrically connected to the controller 10, the water inlet 24 connects the mountain farmland 21 with the irrigation channel 3, and the water outlet 25 connects the mountain farmland 21 with the drainage channel 7, and guide grooves are provided on the inner walls on both sides of the water outlet 25.

[0045] As can be seen from the above, the inclined structure helps water to flow smoothly from the drainage channel 7 to the irrigation channel 3, improves drainage efficiency, and ensures that the mountain farmland 21 can be quickly drained after rainfall. During drainage, the irrigation channel 3 can receive drainage from the drainage channel 7, and the diversion baffle 9 can more effectively guide the water flow in the specified direction, which is beneficial to the hydropower generation of the power supply agency 5; the controller 10 can automatically adjust the irrigation and drainage strategies based on these data to achieve intelligent management, ensuring that the mountain farmland 21 can obtain sufficient water when needed to support crop growth, and the water outlet 25 ensures that the drainage from the mountain farmland 21 can smoothly enter the drainage channel 7, and the guide groove plays a guiding and limiting role for the regulating gate 43.

[0046] Example 2:

[0047] refer to Figure 5 and Figure 6 As shown, the adjustment mechanism 4 includes a gantry 41, a limiting groove 42, an adjusting gate 43, an adjusting screw 44 and an adjusting screw barrel 45. The gantry 41 is installed at the top of the mountain farmland 21. Two limiting grooves 42 are provided, and the two limiting grooves 42 are respectively opened on the inner walls on both sides of the gantry 41. The adjusting gate 43 is slidably installed between the two limiting grooves 42. The adjusting screw 44 is installed at the middle of the top of the adjusting gate 43 through a bearing. The adjusting screw barrel 45 is threadedly installed on the outer surface of the adjusting screw 44, and the lower part of the outer surface of the adjusting screw barrel 45 is installed on the top frame wall of the gantry 41 through a bearing.

[0048] A large bevel gear 46 is installed on the upper outer surface of the adjusting screw 45, a fixed block 47 is installed on one side of the top of the gantry 41, a driver 48 is installed on the upper part of one end of the fixed block 47, a small bevel gear 49 is installed on the output end of the driver 48, and one end of the small bevel gear 49 is installed on the other end of the fixed block 47 through a bearing.

[0049] As can be seen from the above, when it is necessary to irrigate the mountain farmland 21, the controller 10 controls the driver 48 to start, so that the driver 48 drives the small bevel gear 49 to rotate. At this time, through the meshing transmission between the small bevel gear 49 and the large bevel gear 46, the adjusting screw barrel 45 rotates to drive the adjusting screw 44 to move upward, and then drives the adjusting gate 43 to move upward stably under the limit of the limit groove 42, so that the water inlet 24 can be opened, so that the water in the irrigation channel 3 can enter the mountain farmland 21. At the same time, the regulating mechanism 4 at the water outlet 25 is started, which can realize the discharge of water in the mountain farmland 21, and By adjusting the position of the regulating gate 43 up and down, the irrigation water and drainage volume of the mountain farmland 21 can be accurately adjusted, ensuring that different areas and different crops in the mountain terraces can get just the right amount of water supply, and ensuring smooth drainage during waterlogging. This not only improves irrigation efficiency and reduces the waste of water resources, but also reduces the impact of disasters on mountain terrace crops, thereby promoting the healthy growth of crops and improving the quality and yield of crops. At the same time, the automated adjustment of the regulating mechanism 4 reduces the need for manual intervention and improves the convenience and efficiency of water management.

[0050] Preferably, reference Figure 5 and Figure 6 As shown, the large bevel gear 46 is engaged with the small bevel gear 49 , and the driver 48 is electrically connected to the controller 10 .

[0051] As can be seen from the above, power transmission is achieved, and the bevel gear engagement can transmit power from the driver 48 to the adjusting screw 45. The controller 10 can send instructions to the driver 48 as needed to control its start, stop or adjust the operating state.

[0052] Example 3:

[0053] refer to Figure 7 and Figure 8 As shown, the power supply mechanism 5 includes a fixed plate 51, a power generation mechanism 52, a support frame 53, a solar panel 54 and a battery 55. The fixed plate 51 is installed at the top of the irrigation channel 3, the power generation mechanism 52 is installed at the bottom end of the fixed plate 51, two support frames 53 are provided, and the two support frames 53 are installed at the top of the fixed plate 51, the solar panel 54 is installed between the top ends of the two support frames 53, and the battery 55 is installed at the bottom end of the solar panel 54, and the two ends of the battery 55 are respectively installed on the opposite sides of the two support frames 53;

[0054] The power generation mechanism 52 includes a fixed shaft 521, a mounting plate 522, a mounting groove 523, a power generation blade 524 and a power generator 525. There are two mounting plates 522, and the two mounting plates 522 are respectively mounted on the top and bottom ends of the fixed shaft 521. The opposite surfaces of the two mounting plates 522 are respectively mounted on the bottom inner wall of the irrigation channel 3 and the bottom end of the fixed plate 51 through bearings. There are multiple mounting grooves 523 and power generation blades 524. Multiple mounting grooves 523 are respectively opened on the opposite surfaces of the two mounting plates 522. Multiple power generation blades 524 are respectively installed between the two corresponding mounting grooves 523 on the upper and lower sides. The power generator 525 is installed on the top of the upper mounting plate 522.

[0055] As can be seen from the above, during use, the solar panel 54 can absorb solar energy on sunny days and convert the solar energy into electrical energy and store it in the battery 55 to supplement electricity. In the mountain terrace environment, the water flow drop is large. Under the guidance of the diversion baffle 9, the water flowing in the irrigation channel 3 causes a large impact on the multiple power generation blades 524, thereby causing the two mounting plates 522 to drive the fixed shaft 521 to rotate, and drive the power generator 525 to rotate to achieve hydroelectric power generation. The hydroelectric power is also stored in the battery 55. The daily irrigation water flow and solar auxiliary power generation can be used to power the entire water conservancy management system, realizing zero-energy self-powered function. The two green energy power generation technologies of hydroelectric power generation and solar power generation enable the battery 55 to provide stable and reliable power support for the water conservancy management system. This self-powered cycle design enables the system to completely get rid of its dependence on the external power grid, reduce operation and maintenance costs, and improve the system's self-sufficiency. At the same time, the application of green energy technology is also in line with the concept of sustainable development, helps to reduce environmental pollution, and promote the green transformation of agricultural water conservancy management.

[0056] Preferably, reference Figure 7 and Figure 8 As shown, the mounting groove 523 and the power generation blade 524 are both configured as an arc structure, the power generator 525 and the solar panel 54 are both electrically connected to the battery 55, and the support frame 53 is configured as an H-shaped structure.

[0057] As can be seen from the above, the arc structure of the mounting groove 523 is used to better install the power generation blades 524, and the arc structure of the power generation blades 524 helps to more effectively capture the water flow power and improve the power generation efficiency. The electric energy generated by the power generator 525 and the solar panel 54 can be stored in the battery 55 for use by other parts of the system to ensure the continuous operation of the system. The H-shaped structure of the support frame 53 has high stability and load-bearing capacity, and can effectively support the equipment thereon.

[0058] Application examples:

[0059] This design is applied to the water management environment of mountain terraces. Due to the characteristics of mountain terraces such as large undulating terrain, high irrigation difficulty and uneven distribution of water resources, high requirements are placed on the accuracy, flexibility and self-sufficiency of the water management system. The terrain in such areas is complex and the terraces vary in size. Traditional irrigation methods are difficult to meet the needs of precise irrigation. Therefore, this design uses the monitoring mechanism 2 to monitor soil moisture, water level and other parameters in real time, combined with the regulating mechanism 4 to achieve precise irrigation, effectively responding to the challenges brought by the terrain. In arid mountainous areas, water resources are particularly precious. This design accurately predicts the water demand of farmland, dynamically adjusts the irrigation strategy, reduces water waste, and uses the self-powered mechanism 5 to ensure the continuous operation of the system, thereby improving Water resource utilization efficiency; In the water conservancy management of mountain terraces, this design collects environmental data of mountain terraces in real time through monitoring mechanism 2, and uses machine learning models to analyze these data, so as to dynamically predict farmland water demand and waterlogging risk, and provide a scientific basis for irrigation decision-making. According to the prediction results, combined with the regulating mechanism 4, precise irrigation is achieved. By adjusting the irrigation water volume and irrigation time, the irrigation needs of different areas and different crops in the mountain terraces are met, and the irrigation efficiency is improved. The power supply mechanism 5 is used to provide power support for the system. In the mountain terrace environment, the water flow drop is large, which is suitable for the installation of hydropower generation equipment. At the same time, the solar panels 54 can also supplement electricity on sunny days to achieve self-sufficiency and continuous operation of the system.

[0060] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A water management system for smart agriculture, characterized in that: include: Planting hills (1); A plurality of monitoring mechanisms (2) are provided on both sides of the top of the planting mountain (1); an irrigation channel (3) is provided in the middle of the top of the planting mountain (1); two regulating mechanisms (4) are installed inside the plurality of monitoring mechanisms (2); and a power supply mechanism (5) is installed at the top of the irrigation channel (3); The monitoring mechanism (2) comprises a mountain farmland (21), a water level meter (22), a soil temperature and humidity sensor (23), a water inlet (24) and a water outlet (25); the mountain farmland (21) is opened on the outer wall of the planting mountain (1); the water level meter (22) is installed on the inner wall of one side of the mountain farmland (21); the soil temperature and humidity sensor (23) is installed in the middle of the bottom inner wall of the mountain farmland (21); the water inlet (24) is opened on the inner wall close to the irrigation channel (3); and the water outlet (25) is opened on the inner wall of the other side of the mountain farmland (21).

2. A water management system for smart agriculture according to claim 1, characterized in that: A barrier net (6) is installed at the top of the irrigation channel (3), multiple drainage channels (7) are opened on both sides of the top of the planting mountain (1), multiple drainage outlets (8) are opened on the inner walls of both sides of the irrigation channel (3), a drainage baffle (9) is installed on the bottom inner wall of the irrigation channel (3), and a controller (10) is installed inside the power supply mechanism (5).

3. The water management system for smart agriculture according to claim 2, characterized in that: The bottom inner wall of the drainage channel (7) is configured as an inclined structure, and the drainage channel (7) is connected to the irrigation channel (3) through the drainage port (8), and the drainage baffle (9) is configured as an inclined structure.

4. The water management system for smart agriculture according to claim 1, characterized in that: The water level meter (22) and the soil temperature and humidity sensor (23) are both electrically connected to the controller (10); the water inlet (24) enables the mountain farmland (21) to communicate with the irrigation channel (3); the water outlet (25) enables the mountain farmland (21) to communicate with the drainage channel (7); and guide grooves are provided on the inner walls of both sides of the water outlet (25).

5. The water management system for smart agriculture according to claim 1, characterized in that: The regulating mechanism (4) comprises a gantry (41), a limiting groove (42), an regulating gate (43), an regulating screw (44) and an regulating screw barrel (45); the gantry (41) is installed at the top of the mountain farmland (21); two limiting grooves (42) are provided, and the two limiting grooves (42) are respectively opened on the inner walls of both sides of the gantry (41); the regulating gate (43) is slidably installed between the two limiting grooves (42); the regulating screw (44) is installed at the middle of the top of the regulating gate (43) through a bearing; the regulating screw barrel (45) is threadedly installed on the outer surface of the regulating screw (44); and the lower part of the outer surface of the regulating screw barrel (45) is installed on the top frame wall of the gantry (41) through a bearing.

6. The water management system for smart agriculture according to claim 5, characterized in that: A large bevel gear (46) is installed on the upper portion of the outer surface of the adjusting screw barrel (45), a fixed block (47) is installed on one side of the top end of the gantry (41), a driver (48) is installed on the upper portion of one end of the fixed block (47), a small bevel gear (49) is installed on the output end of the driver (48), and one end of the small bevel gear (49) is installed on the other end of the fixed block (47) through a bearing.

7. A water management system for smart agriculture according to claim 6, characterized in that: The large bevel gear (46) is meshed with the small bevel gear (49), and the driver (48) is electrically connected to the controller (10).

8. The water management system for smart agriculture according to claim 1, characterized in that: The power supply mechanism (5) comprises a fixed plate (51), a power generation mechanism (52), a support frame (53), a solar panel (54) and a storage battery (55). The fixed plate (51) is installed at the top of the irrigation channel (3), the power generation mechanism (52) is installed at the bottom of the fixed plate (51), two support frames (53) are provided, and both support frames (53) are installed at the top of the fixed plate (51), the solar panel (54) is installed between the tops of the two support frames (53), the storage battery (55) is installed at the bottom of the solar panel (54), and the two ends of the storage battery (55) are respectively installed on the opposite surfaces of the two support frames (53).

9. The water management system for smart agriculture according to claim 8, characterized in that: The power generation mechanism (52) comprises a fixed shaft (521), a mounting plate (522), a mounting groove (523), a power generation blade (524) and a power generator (525). Two mounting plates (522) are provided, and the two mounting plates (522) are respectively installed at the top and bottom ends of the fixed shaft (521). The opposite surfaces of the two mounting plates (522) are respectively installed at the bottom inner wall of the irrigation channel (3) and the bottom end of the fixed plate (51) through bearings. A plurality of mounting grooves (523) and power generation blades (524) are provided. The plurality of mounting grooves (523) are respectively opened on the opposite surfaces of the two mounting plates (522). The plurality of power generation blades (524) are respectively installed between the two corresponding mounting grooves (523) on the upper and lower sides. The power generator (525) is installed at the top end of the upper mounting plate (522).

10. The water management system for smart agriculture according to claim 9, characterized in that: The mounting groove (523) and the power generation blade (524) are both configured as arc structures, the power generator (525) and the solar panel (54) are both electrically connected to the battery (55), and the support frame (53) is configured as an H-shaped structure.

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