Power water and fertilizer system for intelligent farm management and protection of saline-alkali soil

Abstract

The invention relates to the technical field of saline-alkali soil water and fertilizer, in particular to a power water and fertilizer system for intelligent farm management and protection of saline-alkali soil, and solves the problems that when a saline-alkali soil water and fertilizer system is used, the fertilizer efficiency is often reduced and nutrients are lost due to long-time accumulation of the fertilizer. The device comprises a mixing structure, a water storage tank is arranged on one side of the mixing structure, three filtering structures are arranged on the other side of the mixing structure, and three fertilizer structures are arranged on the rear side of the mixing structure. The fertilizer tank rotating shaft drives the spiral material pushing plate to rotate, so that fertilizer located in the fertilizer tank is conveyed to the top end of the blocking box from the bottom end in the fertilizer tank and discharged into the position between the blocking box and the interior of the fertilizer tank, overturning of the fertilizer is completed, and circulating overturning of the fertilizer is achieved; the conditions of fertilizer efficiency reduction and nutrient loss caused by long-time accumulation of the fertilizer are avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of saline-alkali land water and fertilizer, and specifically to a power water and fertilizer system for the management and protection of a smart farm in saline-alkali land. Background Technique

[0002] Saline-alkali land refers to the accumulation of salts in the land. Specifically, the salts contained in the soil affect the normal growth of crops. Some cultivated lands have become abandoned cultivated lands due to the aggravation of secondary salinization. To improve saline-alkali land and in accordance with local conditions, planting relevant plants in saline-alkali land is a common method for improving saline-alkali land. When planting plants in saline-alkali land, it is necessary to dig planting pits on the saline-alkali land, sow the planting raw material seeds in the pits, and then fertilize and irrigate the planting pits.

[0003] When the existing saline-alkali land water and fertilizer system is in use, the fertilizer efficiency often decreases and nutrient loss occurs due to the long-term accumulation of fertilizers, and the water and fertilizer ratio cannot be adjusted according to the salt content in the fertilization area during fertilization; therefore, it does not meet the existing requirements, and for this reason, we propose a power water and fertilizer system for the management and protection of a smart farm in saline-alkali land. Summary of the Invention

[0004] The purpose of the present invention is to provide a power water and fertilizer system for the management and protection of a smart farm in saline-alkali land to solve the problems that when the saline-alkali land water and fertilizer system is in use, the fertilizer efficiency often decreases and nutrient loss occurs due to the long-term accumulation of fertilizers, and the water and fertilizer ratio cannot be adjusted according to the salt content in the fertilization area as mentioned in the above background technique.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A power water and fertilizer system for the management and protection of a smart farm in saline-alkali land, including a mixing structure, a water storage tank is provided on one side of the mixing structure, three filtering structures are provided on the other side of the mixing structure, three fertilizer structures are provided at the rear of the mixing structure, a central controller is provided in front of the mixing structure, a drip irrigation pipe is connected to the surface of the outermost filtering structure, and a rainfall monitor is provided outside the water storage tank;

[0006] The fertilizer structure includes a fertilizer tank, a barrier box, support columns, a material turning opening, a fertilizer tank rotating shaft, a reduction motor, and a spiral feeding plate. A fertilizer tank rotating shaft is rotatably installed inside the fertilizer tank. A plurality of support columns are fixedly installed at the bottom end inside the fertilizer tank. A barrier box is fixedly installed at the top end of the support columns. A material turning opening is provided between every two support columns. A spiral feeding plate is fixedly installed on the outer surface of the fertilizer tank rotating shaft located inside the barrier box. A reduction motor is provided at the top of the fertilizer tank, and the output end of the reduction motor is connected to the top end of the fertilizer tank rotating shaft through a coupling.

[0007] Preferably, the fertilizer structure further includes a feeding port, a scraping plate, a trapezoidal frustum, a piston cylinder, and a support plate. A scraping plate is fixedly installed on the outer surface of the fertilizer tank rotating shaft. Two piston cylinders are provided at the top end inside the fertilizer tank. The output end of the piston cylinder is fixedly installed with a trapezoidal frustum. The inner surface of the trapezoidal frustum is attached to the outer surface of the scraping plate. Support plates are fixedly installed on the inner wall of the fertilizer tank near the piston cylinders. The output ends of the piston cylinders all penetrate through the inside of the support plates. The trapezoidal frustums are all slidably clamped into the position between the inside of the fertilizer tank and the barrier box. A feeding port is provided at the top end of the fertilizer tank near the reduction motor.

[0008] Preferably, the mixing structure includes a water-fertilizer mixer, an end cover, a mounting plate, a mixer rotating shaft, a servo motor, a gearbox, stirring rods, a horizontal rotating shaft, connecting rods, and a material turning box. A mounting plate is provided at the top end of the water-fertilizer mixer. The mounting plate is connected to the water-fertilizer mixer by bolts. An end cover is movably installed at the top end of the mounting plate. A servo motor is provided at the top end of the end cover. The output end of the servo motor is connected to the mixer rotating shaft through a coupling. The mixer rotating shaft rotates and is clamped into the inside of the water-fertilizer mixer. A gearbox is provided on the surface of the mixer rotating shaft. The bottom end of the mixer rotating shaft is connected to the input end of the gearbox. Four output ends are provided on the surface of the gearbox. The output ends of the gearbox are all connected to a horizontal rotating shaft. Three connecting rods are fixedly installed on the surface of each horizontal rotating shaft. The outer ends of the connecting rods are all fixedly installed with a material turning box. Four stirring rods are fixedly installed on the outer surface of the mixer rotating shaft near the bottom end.

[0009] Preferably, the mixing structure further includes a fertilizer inlet, a water inlet, a discharge port, a water injection pipe, a T-shaped chute, a conical sealing plug, a T-shaped sliding plate, and a water leakage hole. A fertilizer inlet is provided on one side of the top end of the end cover. A water inlet is provided on the outer side of the mounting plate. A plurality of water injection pipes are fixedly installed on the inner side of the mounting plate. The water inlets all penetrate through the inside of each water injection pipe. T-shaped chutes are provided on the inner wall surface of the water-fertilizer mixer near the water injection pipes. Conical sealing plugs are provided below the water injection pipes. T-shaped sliding plates are fixedly installed on the surface of the conical sealing plugs. The T-shaped sliding plates are all slidably clamped into the inside of the T-shaped chutes. Water leakage holes are provided at the bottom end inside the T-shaped chutes. A discharge port is provided at the position near the bottom end of the outer surface of the water-fertilizer mixer.

[0010] Preferably, the filtering structure includes a filtering tank, a water-fertilizer inlet pipe, a spraying port, gravel filtering material, a drainage cavity, a filter plate, and a discharge pipe. A water-fertilizer inlet pipe is provided inside the filtering tank. A plurality of spraying ports are provided at the bottom end of the water-fertilizer inlet pipe. A filter plate is provided inside the filtering tank. The inside of the filtering tank is divided into a filtering area and a drainage cavity by the filter plate. A discharge pipe is provided at the bottom end of the filtering tank. The discharge pipe is connected to the inside of the drainage cavity in a through manner.

[0011] Preferably, a water outlet is provided on the surface of the water storage tank. The water outlet is connected to the water inlet through a connecting pipe. Fertilizer outlets are provided on the surfaces of the fertilizer tanks. The three fertilizer outlets are all connected to the fertilizer inlet through connecting pipes. A connecting pipe is used to connect the discharge port and the water and fertilizer inlet pipe closest to the mixing structure. Each two adjacent filter tanks are connected to the water and fertilizer inlet pipe through a discharge pipe. A connecting pipe is used to connect the discharge pipe farthest from the mixing structure and the drip irrigation pipe.

[0012] Preferably, a plurality of PH sensors are provided on the surface of the drip irrigation pipe. The PH sensors are arranged in a matrix and evenly distributed on the surface of the drip irrigation pipe. Water pumps are provided on the surfaces of the connecting pipes and the drip irrigation pipe.

[0013] Preferably, the tops of the conical sealing plugs are movably clamped into the bottoms of the water injection pipes. Floating balls are provided at the bottoms of the conical sealing plugs. A plug-in board is fixedly installed at the top of the mounting plate. The bottom end of the end cover is movably connected to the plug-in board.

[0014] Preferably, a PH detector is provided inside the water and fertilizer mixer. The PH detector is used to detect the PH value of the water and fertilizer mixed inside the water and fertilizer mixer. The rainfall monitor is used to collect rainfall and evaporation data in real time.

[0015] Preferably, a salinity stress analysis module and a water and fertilizer ratio module are installed inside the central controller. The salinity stress analysis module generates a salinity distribution heat map based on the EC value and PH data of the soil to display the salinity content distribution in the area. The water and fertilizer ratio module is based on the salinity distribution heat map collected by the salinity stress analysis module, and according to the different salinity contents in the drip irrigation area, it ratios the water and fertilizer contents inside the water and fertilizer mixer.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. Through the cooperation of the spiral pushing plate and the trapezoidal frustum, when the device is in use, the spiral pushing plate can be driven to rotate by the fertilizer tank rotating shaft, so that the fertilizer located inside the fertilizer tank is conveyed through the rotation of the spiral pushing plate, and is conveyed from the bottom end inside the fertilizer tank to the top position of the barrier box and discharged into the position between the barrier box and the inside of the fertilizer tank, thereby completing the turning of the fertilizer. Then, the trapezoidal frustum is driven to descend by the piston cylinder, so that the trapezoidal frustum presses down the fertilizer accumulated between the barrier box and the inside of the fertilizer tank, so that the fertilizer is squeezed into the inside of the barrier box again through the turning opening, realizing the cyclic turning of the fertilizer, and avoiding the situation of reduced fertilizer efficiency and nutrient loss caused by long-term accumulation of fertilizer;

[0018] 2. Through the cooperation of the water injection pipe and the conical sealing plug, when the device is in use, the water and fertilizer can be mixed by the water-fertilizer mixer. When the water-fertilizer mixture passes the surface position of the conical sealing plug, the conical sealing plug will float on the water surface due to the floating plate at the bottom end, and will float up and down due to the cooperation of the T-shaped slide plate and the T-shaped chute. When the water-fertilizer mixture passes the bottom end of the water injection pipe, the conical sealing plug will block the water injection pipe to prevent the water-fertilizer mixture from flowing back into the water storage tank through the water injection pipe. Through the setting of the water leakage holes, when the liquid level of the water-fertilizer mixture drops, the water-fertilizer mixture remaining in the T-shaped chute can be discharged through the water leakage holes to prevent it from affecting the lifting of the conical sealing plug. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic structural diagram of the whole of the present invention;

[0020] Figure 2 is a front sectional view of the fertilizer structure of the present invention;

[0021] Figure 3 is a front sectional view of the mixing structure of the present invention;

[0022] Figure 4 is a side sectional view of the mixing structure of the present invention;

[0023] Figure 5 is a front sectional view of the filtering structure of the present invention;

[0024] Figure 6 For the present invention Figure 3 is a partial structural schematic diagram of part A in the present invention;

[0025] Figure 7 is a schematic flow chart of the whole of the present invention.

[0026] In the figure: 1. Water storage tank; 2. Fertilizer structure; 201. Fertilizer tank; 202. Feeding port; 203. Barrier box; 204. Support column; 205. Material turning port; 206. Fertilizer tank rotating shaft; 207. Reducing motor; 208. Scraping plate; 209. Screw feeding plate; 210. Trapezoidal frustum; 211. Piston cylinder; 212. Support plate; 3. Mixing structure; 301. Water and fertilizer mixer; 302. End cover; 303. Mounting plate; 304. Mixer rotating shaft; 305. Servo motor; 306. Fertilizer inlet; 307. Water inlet; 308. Gear box; 309. Stirring rod; 310. Horizontal rotating shaft; 311. Connecting rod; 312. Material turning box; 313. Discharge port; 314. Water injection pipe; 315. T-shaped chute; 316. Conical sealing plug; 317. T-shaped slide plate; 318. Leakage hole; 4. Filter structure; 401. Filter tank; 402. Water and fertilizer inlet pipe; 403. Spraying port; 404. Sand and gravel filter material; 405. Drainage cavity; 406. Filter plate; 407. Discharge pipe; 408.; 409.; 5. Central controller; 6. Rainfall monitor; 7. Drip irrigation pipe; 8. Water pump. Specific embodiments

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0028] Please refer to Figures 1 to 7 , an embodiment provided by the present invention: A power water and fertilizer system for the intelligent farm management and protection of saline-alkali land, including a mixing structure 3. A water storage tank 1 is provided on one side of the mixing structure 3, three filter structures 4 are provided on the other side of the mixing structure 3, three fertilizer structures 2 are provided at the rear of the mixing structure 3, a central controller 5 is provided in front of the mixing structure 3, a drip irrigation pipe 7 is connected to the surface of the outermost filter structure 4, and a rainfall monitor 6 is provided outside the water storage tank 1;

[0029] The above-mentioned fertilizer structure 2 includes a fertilizer tank 201, a barrier box 203, support columns 204, a material turning opening 205, a fertilizer tank rotating shaft 206, a reduction motor 207, and a spiral pusher plate 209. The fertilizer tank rotating shaft 206 is rotatably installed inside the fertilizer tank 201. Multiple support columns 204 are fixedly installed at the bottom end inside the fertilizer tank 201. The barrier box 203 is fixedly installed at the top end of the support columns 204. A material turning opening 205 is provided between every two support columns 204. The spiral pusher plate 209 is fixedly installed on the outer surface of the fertilizer tank rotating shaft 206 located inside the barrier box 203. A scraping plate 208 is fixedly installed on the outer surface of the fertilizer tank rotating shaft 206. Two piston cylinders 211 are provided at the top end inside the fertilizer tank 201. A trapezoidal frustum 210 is fixedly installed at the output end of the piston cylinder 211. The inner surface of the trapezoidal frustum 210 is in contact with the outer surface of the scraping plate 208. Support plates 212 are fixedly installed on the inner wall of the fertilizer tank 201 near the piston cylinders 211. The output ends of the piston cylinders 211 all penetrate through the inside of the support plates 212. The trapezoidal frustums 210 are all slidably clamped into the position between the inside of the fertilizer tank 201 and the barrier box 203;

[0030] A reduction motor 207 is provided at the top end of the fertilizer tank 201. The output end of the reduction motor 207 is connected to the top end of the fertilizer tank rotating shaft 206 through a coupling. A feeding port 202 is provided at the top end of the fertilizer tank 201 near the reduction motor 207.

[0031] Through the cooperation of the spiral pusher plate 209 and the trapezoidal frustum 210, when the device is in use, the spiral pusher plate 209 can be driven to rotate by the fertilizer tank rotating shaft 206, so as to convey the fertilizer located inside the fertilizer tank 201 through the rotation of the spiral pusher plate 209, and make it be conveyed from the bottom end inside the fertilizer tank 201 to the top end position of the barrier box 203 and discharged into the position between the barrier box 203 and the inside of the fertilizer tank 201, thereby completing the turning of the fertilizer. Then, the piston cylinder 211 is driven to lower the trapezoidal frustum 210, so that the trapezoidal frustum 210 presses down the fertilizer accumulated in the position between the barrier box 203 and the inside of the fertilizer tank 201, so that the fertilizer is squeezed into the inside of the barrier box 203 again through the material turning opening 205, realizing the cyclic turning of the fertilizer and avoiding the situation of reduced fertilizer efficiency and nutrient loss caused by long-term accumulation of the fertilizer.

[0032] The mixing structure 3 includes a water and fertilizer mixer 301, an end cover 302, a mounting plate 303, a mixer rotating shaft 304, a servo motor 305, a gearbox 308, stirring rods 309, a transverse rotating shaft 310, connecting rods 311 and a material turning box 312. A mounting plate 303 is provided at the top of the water and fertilizer mixer 301. The mounting plate 303 is connected to the water and fertilizer mixer 301 by bolts. An end cover 302 is movably mounted at the top of the mounting plate 303. A servo motor 305 is provided at the top of the end cover 302. The output end of the servo motor 305 is connected to a mixer rotating shaft 304 through a coupling. The mixer rotating shaft 304 rotates and is stuck into the interior of the water and fertilizer mixer 301. A gearbox 308 is provided on the surface of the mixer rotating shaft 304. The bottom end of the mixer rotating shaft 304 is connected to the input end of the gearbox 308. Four output ends are provided on the surface of the gearbox 308. The output ends of the gearbox 308 are all connected to a transverse rotating shaft 310. Three connecting rods 311 are fixedly mounted on the surface of each transverse rotating shaft 310. The outer ends of the connecting rods 311 are all fixedly mounted with a material turning box 312. Four stirring rods 309 are fixedly mounted on the outer surface of the mixer rotating shaft 304 near the bottom end.

[0033] The mixing structure 3 further includes a fertilizer inlet 306, a water inlet 307, a discharge port 313, a water injection pipe 314, a T-shaped chute 315, a conical sealing plug 316, a T-shaped slide plate 317 and a water leakage hole 318. A fertilizer inlet 306 is provided on one side of the top of the end cover 302. A water inlet 307 is provided outside the mounting plate 303. A plurality of water injection pipes 314 are fixedly mounted inside the mounting plate 303. The water inlet 307 penetrates through the interior of each water injection pipe 314. T-shaped chutes 315 are provided on the inner wall surface of the water and fertilizer mixer 301 near the water injection pipes 314. Conical sealing plugs 316 are provided below the water injection pipes 314. T-shaped slide plates 317 are fixedly mounted on the surface of each conical sealing plug 316. The T-shaped slide plates 317 are all slidably stuck into the interior of the T-shaped chutes 315. Water leakage holes 318 are provided at the bottom ends inside the T-shaped chutes 315. A discharge port 313 is provided at a position near the bottom end on the outer surface of the water and fertilizer mixer 301.

[0034] Through the cooperation of the water injection pipe 314 and the conical sealing plug 316, when the device is in use, water and fertilizer can be mixed by the water and fertilizer mixer 301. When the water and fertilizer mixture passes over the surface position of the conical sealing plug 316, the conical sealing plug 316 will float on the water surface due to the floating plate at the bottom end and will float up and down due to the cooperation of the T-shaped slide plate 317 and the T-shaped chute 315. When the water and fertilizer mixture passes over the bottom end of the water injection pipe 314, the conical sealing plug 316 will block the water injection pipe 314 to prevent the water and fertilizer mixture from flowing back into the water storage tank 1 through the water injection pipe 314. And through the setting of the water leakage hole 318, when the liquid level of the water and fertilizer mixture drops, the water and fertilizer mixture remaining inside the T-shaped chute 315 can be discharged through the water leakage hole 318 to prevent it from affecting the lifting of the conical sealing plug 316.

[0035] The filtering structure 4 includes a filtering tank 401, a water and fertilizer inlet pipe 402, a spraying port 403, gravel filtering material 404, a drain cavity 405, a filter plate 406, and a discharge pipe 407. Inside the filtering tank 401, there is a water and fertilizer inlet pipe 402. At the bottom end of the water and fertilizer inlet pipe 402, there are multiple spraying ports 403. Inside the filtering tank 401, there is a filter plate 406. The inside of the filtering tank 401 is divided into a filtering area and a drain cavity 405 by the filter plate 406. At the bottom end of the filtering tank 401, there is a discharge pipe 407, and the discharge pipe 407 is connected to the inside of the drain cavity 405 in a through manner.

[0036] On the surface of the water storage tank 1, there is a water outlet, and the water outlet is connected to the water inlet 307 through a connecting pipe. On the surfaces of the fertilizer tanks 201, there are fertilizer outlets, and all three fertilizer outlets are connected to the fertilizer inlet 306 through connecting pipes. There is a connecting pipe between the discharge port 313 and the water and fertilizer inlet pipe 402 closest to the mixing structure 3. Between every two adjacent filtering tanks 401, the discharge pipe 407 is connected to the water and fertilizer inlet pipe 402 in a communicating manner. There is a connecting pipe between the discharge pipe 407 at the position farthest from the mixing structure 3 and the drip irrigation pipe 7.

[0037] On the surface of the drip irrigation pipe 7, there are multiple PH sensors. The PH sensors are arranged in a matrix and evenly distributed on the surface of the drip irrigation pipe 7. On the surfaces of the connecting pipes and the drip irrigation pipe 7, there are water pumps 8.

[0038] The top ends of the conical sealing plugs 316 are movably clamped into the bottom ends inside the water injection pipes 314. At the bottom ends of the conical sealing plugs 316, there are floating balls. At the top end of the mounting plate 303, there is a plug-in board fixedly installed, and the bottom end of the end cover 302 is movably connected to the plug-in board.

[0039] Inside the water and fertilizer mixer 301, there is a PH detector, and the PH detector is used to detect the PH value of the water and fertilizer mixed inside the water and fertilizer mixer 301. The rainfall monitor 6 is used to collect rainfall and evaporation data in real time.

[0040] Inside the central controller 5, there are a saline-alkali stress analysis module and a water and fertilizer ratio module. The saline-alkali stress analysis module generates a salt distribution heat map based on the EC value and PH data of the soil to display the salt content distribution in the area. The water and fertilizer ratio module is based on the salt distribution heat map collected by the saline-alkali stress analysis module, and according to the different salt contents in the drip irrigation area, it ratios the water and fertilizer contents inside the water and fertilizer mixer 301.

[0041] When the power water and fertilizer system for the intelligent management and protection of saline-alkali land farms is in use, first, the rainfall monitor 6 detects the external rainfall and rain evaporation to facilitate the real-time analysis of soil moisture content, and the PH sensor measures the PH value in the soil in real time. Subsequently, the saline-alkali stress analysis module generates a real-time salt distribution heat map of the area based on the data collected by the rainfall monitor 6 and the PH sensor. Then, the water and fertilizer ratio module, according to the salt distribution heat map and the type of crops planted, controls the ratio of water and fertilizer inside the water and fertilizer mixer 301 through the central controller 5. Subsequently, the mixed water and fertilizer solution is applied for fertilization through the drip irrigation pipe 7 by drip irrigation.

[0042] When the fertilizer is inside the fertilizer tank 201, the spiral feeding plate 209 can be driven to rotate by the fertilizer tank rotating shaft 206, so as to convey the fertilizer inside the fertilizer tank 201 through the rotation of the spiral feeding plate 209, making it transported from the bottom end inside the fertilizer tank 201 to the top position of the barrier box 203 and discharged into the position between the barrier box 203 and the inside of the fertilizer tank 201, thus completing the turning of the fertilizer. Then, the piston cylinder 211 drives the trapezoidal frustum 210 to descend, so that the trapezoidal frustum 210 presses down the fertilizer accumulated between the barrier box 203 and the inside of the fertilizer tank 201, so that the fertilizer is again squeezed into the inside of the barrier box 203 through the turning opening 205, realizing the cyclic turning and chopping of the fertilizer, and avoiding the situation of reduced fertilizer efficiency and nutrient loss caused by long-term accumulation of fertilizer.

[0043] When the fertilizer and water are mixed, the water and fertilizer mixer 301 can be used to mix the water and fertilizer. When the water and fertilizer mixture passes over the surface of the conical sealing plug 316, the conical sealing plug 316 will float on the water surface due to the floating plate at the bottom end and float up and down due to the cooperation of the T-shaped slide plate 317 and the T-shaped chute 315. When the water and fertilizer mixture passes over the bottom end of the water injection pipe 314, the conical sealing plug 316 will block the water injection pipe 314 to prevent the water and fertilizer mixture from flowing back into the water storage tank 1 through the water injection pipe 314. And through the setting of the water leakage holes 318, when the liquid level of the water and fertilizer mixture drops, the water and fertilizer mixture remaining inside the T-shaped chute 315 can be discharged through the water leakage holes 318 to avoid affecting the lifting of the conical sealing plug 316.

[0044] The rotation of the gears inside the gearbox 308 can be started through the mixer rotating shaft 304, so as to drive the horizontal rotating shaft 310 to rotate, making the horizontal rotating shaft 310 drive the turning box 312 to rotate through the connecting rod 311, so as to turn the water and fertilizer mixture inside the water and fertilizer mixer 301 and mix it evenly in cooperation with the stirring rod 309, avoiding the situation of uneven mixing.

[0045] After the water-fertilizer mixture is mixed, it can be discharged into the interior of the filtration tank 401 through the water-fertilizer inlet pipe 402 and the spraying port 403, and after being filtered by the gravel filter material 404 and the filter plate 406, it is discharged into the interior of the drip irrigation pipe 7 through the discharge pipe 407, thereby performing drip irrigation treatment.

[0046] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claims involved.

Claims

1. A power water and fertilizer system for the intelligent management and protection of saline-alkali land farms, including a mixing structure, with a water storage tank provided on one side of the mixing structure, and a rainfall monitor provided outside the water storage tank, characterized in that: On the other side of the said hybrid structure, there are three filtering structures, on the rear side of the hybrid structure, there are three fertilizer structures, in front of the hybrid structure, there is a central controller, and a drip irrigation pipe is connected to the surface of the outermost filtering structure; The said fertilizer structure includes a fertilizer tank, inside the fertilizer tank, a fertilizer tank rotating shaft is rotatably installed, at the bottom end inside the fertilizer tank, a plurality of support columns are fixedly installed, at the top ends of the support columns, a barrier box is fixedly installed, between every two support columns, there is a material turning opening, and on the outer surface of the fertilizer tank rotating shaft located inside the barrier box, a spiral pusher plate is fixedly installed; On the outer surface of the fertilizer tank rotating shaft, a scraping plate is fixedly installed, at the top end inside the fertilizer tank, there are two piston cylinders, the output ends of the piston cylinders are fixedly installed with trapezoidal frustums, the inner surface of the trapezoidal frustums is in fit with the outer surface of the scraping plate, on the inner wall of the fertilizer tank near the piston cylinders, support plates are fixedly installed, the output ends of the piston cylinders all penetrate through the interiors of the support plates, and the trapezoidal frustums all slide and are stuck in the position between the interior of the fertilizer tank and the barrier box.

2. The power water and fertilizer system for the intelligent farm management and protection of saline-alkali land according to the claim is characterized in that: On the top end of the said fertilizer tank, a reduction motor is provided, the output end of the reduction motor is connected to the top end of the fertilizer tank rotating shaft through a coupling, and near the reduction motor on the top end of the fertilizer tank, a feeding port is provided.

3. The power water and fertilizer system for the intelligent farm management and protection of saline-alkali land according to the claim is characterized in that: The said hybrid structure includes a water-fertilizer mixer, on the top end of the water-fertilizer mixer, there is a mounting plate, the mounting plate and the water-fertilizer mixer are connected by bolts, on the top end of the mounting plate, an end cover is movably installed, on the top end of the end cover, a servo motor is provided, the output end of the servo motor is connected to a mixer rotating shaft through a coupling, the mixer rotating shaft rotatably penetrates into the interior of the water-fertilizer mixer, and on the surface of the mixer rotating shaft, there is a gear box; The bottom end of the mixer rotating shaft is connected to the input end of the gear box, the surface of the gear box has four output ends, the output ends of the gear box are all connected to transverse rotating shafts, on the surfaces of the transverse rotating shafts, three connecting rods are fixedly installed, at the outer ends of the connecting rods, turning boxes are fixedly installed, and on the outer surface of the mixer rotating shaft near the bottom end, four stirring rods are fixedly installed.

4. The power water and fertilizer system for the intelligent farm management and protection of saline-alkali land according to the claim is characterized in that: On one side of the top end of the said end cover, there is a fertilizer inlet, outside the mounting plate, there is a water inlet, inside the mounting plate, a plurality of water injection pipes are fixedly installed, and the water inlets all penetrate through the interiors of each water injection pipe; On the inner wall surface of the water-fertilizer mixer near the water injection pipes, T-shaped sliding grooves are provided, below the water injection pipes, conical sealing plugs are provided, on the surfaces of the conical sealing plugs, T-shaped sliding plates are fixedly installed, the T-shaped sliding plates all slide and are stuck in the interiors of the T-shaped sliding grooves, at the bottom ends inside the T-shaped sliding grooves, water leakage holes are provided, and near the bottom end on the outer surface of the water-fertilizer mixer, there is a discharge port.

5. The dynamic water and fertilizer system for the intelligent farm management and protection of saline-alkali land according to the claim is characterized in that: The said filtering structure includes a filtering tank, inside the filtering tank, there is a water-fertilizer inlet pipe, at the bottom end of the water-fertilizer inlet pipe, a plurality of spraying ports are provided, inside the filtering tank, there is a filtering plate, the interior of the filtering tank is divided into a filtering area and a liquid discharge cavity by the filtering plate, at the bottom end of the filtering tank, there is a discharge pipe, and the discharge pipe is connected to the interior of the liquid discharge cavity in a through manner.

6. The dynamic water and fertilizer system for the intelligent farm management and protection of saline-alkali land according to the claim is characterized in that: The surface of the water storage tank is provided with a water outlet, and the water outlet and the water inlet are connected by a connecting pipe. The surfaces of the fertilizer tanks are all provided with fertilizer outlets, and the three fertilizer outlets are all connected to the fertilizer inlet by a connecting pipe. The discharge port and the water and fertilizer inlet pipe closest to the mixing structure are connected by a connecting pipe. Each two adjacent filter tanks are communicated with the water and fertilizer inlet pipe through a discharge pipe. The discharge pipe farthest from the mixing structure and the drip irrigation pipe are connected by a connecting pipe.

7. The power water and fertilizer system for the intelligent farm management and protection of saline-alkali land according to the claim is characterized in that: The top ends of the conical sealing plugs are all movably clamped into the bottom end inside the water injection pipe. Floating balls are arranged at the bottom ends of the conical sealing plugs. A plugging board is fixedly installed at the top end of the mounting plate, and the bottom end of the end cover is movably connected with the plugging board.

8. A power water and fertilizer system for the intelligent farm management and protection of saline-alkali land, characterized in that: A PH detector is arranged inside the water and fertilizer mixer, and a saline-alkali stress analysis module and a water and fertilizer ratio module are carried inside the central controller. The saline-alkali stress analysis module generates a salt distribution heat map based on the EC value and PH data of the soil to display the salt content distribution in the area. The water and fertilizer ratio module is based on the salt distribution heat map collected by the saline-alkali stress analysis module, and according to the different salt contents in the drip irrigation area, it ratios the water and fertilizer contents inside the water and fertilizer mixer.

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