Farmland drip irrigation device and its application in water conservancy irrigation

Abstract

This invention discloses a drip irrigation device for farmland and its application in water conservancy irrigation, relating to the field of agricultural irrigation technology. The device includes: a pumping assembly for pumping and transporting water and water-soluble fertilizer; an inlet assembly connected to the pumping assembly and adjusting the row spacing according to the spacing between adjacent rows in different farmlands; and a drip irrigation assembly connected to the inlet assembly for drip irrigation of the farmland, simultaneously cleaning impurities entering the drip irrigation assembly and adjusting the drip irrigation water flow rate according to water pressure. This invention utilizes the cooperation of a first float, a second float, and a water-blocking plate. Based on the start and end of the drip irrigation operation, the first and second floats, under buoyancy, cooperate with the water-blocking plate, preventing soil or crop roots from clogging the drip inlet and hindering subsequent drip irrigation operations.

Description

Technical Field

[0001] The invention relates to the technical field of agricultural irrigation, and in particular to a farmland drip irrigation device and its application in water conservancy irrigation. Background Art

[0002] With population growth and climate change, the rational allocation and efficient use of water resources have become the key to sustainable agricultural development. Drip irrigation technology uses a series of tiny drippers to deliver water and nutrients directly to the root area of ​​plants in a slow and even manner, greatly reducing water evaporation and deep seepage, and significantly improving the utilization efficiency of irrigation water. This precision irrigation method not only saves precious water resources, but also promotes the good development of crop roots, and enhances crop resistance and yield.

[0003] Chinese patent application number 201110157520X discloses an inner-patch anti-clogging drip irrigation head, including a shell, the front end face of the shell is an arc corresponding to the shape of the drip irrigation belt tube wall, a water outlet groove is provided on the right side of the front end of the shell, and a combined flow channel connected to the water inlet and the water outlet groove is distributed on the upper part of the front end of the shell on the left side of the water outlet groove, and the combined flow channel includes two or three of the arc-shaped flow channel, the tooth-shaped flow channel and the arc-toothed flow channel; the above invention has a reasonable and compact structure and is easy to use. Through the combination of the arc-shaped flow channel, the tooth-shaped flow channel and the arc-toothed flow channel in pairs and at the same time, it can effectively dissipate energy and reduce blockage, thereby greatly improving the quality and efficiency of irrigation.

[0004] The Chinese patent application number 2018108830282 discloses a drip irrigation belt with an anti-blocking inner patch. The device consists of a drip irrigation belt and a patch. The patch is provided with a curved labyrinth flow channel and a comb-shaped water inlet hole connected to the inner wall of the drip irrigation belt. The patch is provided with a water outlet hole connected to the outer wall of the drip irrigation belt. A confluence chamber is provided at the corresponding position of the drip irrigation belt patch water outlet hole to connect to the labyrinth flow channel. The confluence chamber is inlaid with an anti-blocking filter. The anti-blocking inner patch technology of the above invention is to prevent muddy water outside the drip irrigation belt from re-injecting into the confluence chamber and the labyrinth through the drip holes under the action of negative pressure during irrigation intervals, thereby eliminating blockages caused by two reasons.

[0005] Based on the above-mentioned prior art, it can be known that the drip irrigation tape is usually laid in a shallow buried manner, and in order to prevent the drip irrigation tape from being blocked, a maze circuit is set in the patch to retain impurities in the water in the maze circuit, thereby avoiding blockage of the drip irrigation tape drip outlet. However, as the water flows into the patch, the impurities can never be discharged. After a long period of accumulation, the inside of the patch will be blocked, resulting in the water in the drip irrigation tape being unable to be discharged through the drip outlet. At the same time, since the drip irrigation tape is laid in a shallow buried manner, and the roots and stems of crops are hydrotropic, after a long period of drip irrigation, the roots and stems of crops will block the drip outlet, resulting in the drip outlet being unable to operate normally.

[0006] Therefore, it is necessary to invent a farmland drip irrigation device and its application in water conservancy irrigation to solve the above problems. Summary of the invention

[0007] The purpose of the present invention is to provide a farmland drip irrigation device and its application in water conservancy irrigation to solve the problems raised in the above background technology.

[0008] To achieve the above object, the present invention provides the following technical solution: a farmland drip irrigation device, the farmland drip irrigation device comprising:

[0009] A pumping assembly, which is used to extract and transport water and water-soluble fertilizer;

[0010] A water inlet assembly, which is connected to the water pumping assembly and adjusts the row spacing according to the spacing between two adjacent rows of different farmlands;

[0011] A drip irrigation component is connected to a water inlet component and performs drip irrigation on farmland. At the same time, it can clean impurities entering the drip irrigation component and adjust the flow rate of drip irrigation water according to water pressure.

[0012] Preferably, the drip irrigation assembly includes a drip irrigation patch, which includes a shell, a water inlet groove arranged in an annular shape is opened on the side of the shell, a water blocking groove is opened on one side of the upper end of the shell, and a water outlet groove is opened on the other side of the upper end of the shell, a water blocking plate is arranged in the water outlet groove, and hinges are arranged at both ends of the water blocking plate in a mirror-like manner, and one end of the hinge away from the water blocking plate passes through the shell and is connected to a first floating plate, the first floating plate is slidably connected to the water inlet groove, a through groove is opened below the water outlet groove, and two second floating plates are arranged in a mirror-like manner in the through groove.

[0013] Preferably, two protrusions are fixedly connected on both sides of the ends of the two second floating plates that are away from each other, and the protrusions are rotatably connected to the through slots. An airbag is fixedly connected to the ends of the two second floating plates that are close to each other, and the airbag runs through the top and bottom of the second floating plates.

[0014] Preferably, the hinged portion includes a first support rod, one end of which is movably connected to the water blocking plate, and the other end is fixedly connected to a rotating rod, a rotating groove adapted to the rotating rod is provided on the shell, the rotating rod is sealingly and rotatably connected to the shell, a second support rod is fixedly connected to the side of the rotating rod opposite to the first support rod, and the end of the second support rod away from the rotating rod is movably connected to the first floating plate.

[0015] Preferably, the water inlet groove runs through the upper and lower ends of the shell, and the water blocking groove is spliced ​​into a maze shape by multiple baffles. The inlet of the maze-shaped water blocking groove is connected to the water inlet groove, and the outlet of the maze-shaped water blocking groove is connected to the water outlet groove.

[0016] Preferably, the drip irrigation assembly also includes a drip irrigation belt, one end of which is connected to the water inlet assembly and the other end is closed by a closing mechanism, and the drip irrigation belt and the water inlet assembly are detachably connected, and the closing mechanism includes but is not limited to a water stop clamp, a water stop valve and other structures that can seal one end of the drip irrigation belt.

[0017] Preferably, a plurality of drip irrigation ports are provided in a linear array on the outer wall on the axial side of each of the drip irrigation belts, a plurality of connecting grooves are provided in a linear array on the inner wall on the axial side of each of the drip irrigation belts and in the area below the drip irrigation ports, and the drip irrigation ports and connecting grooves in the same area are interconnected so that the inner cavity of the drip irrigation belt is connected to the outside world.

[0018] Preferably, the water inlet assembly comprises a water conveying belt, on which a plurality of sealing valves and connecting valves are linearly arranged, and each of the sealing valves and connecting valves is communicated with the interior of the water conveying belt.

[0019] Preferably, the pumping assembly includes a pumping pump, a pumping pipe connected to the pumping pump, and a fertilizer tank connected to the pumping pump through the pumping pipe.

[0020] The present invention also provides application of the drip irrigation device as described above in water conservancy irrigation.

[0021] Technical effects and advantages of the present invention:

[0022] 1. The present invention cooperates with the first floating plate, the second floating plate, the water blocking plate and other devices, so that according to the start and end of the drip irrigation operation, the first floating plate and the second floating plate cooperate with the water blocking plate under the action of buoyancy, on the one hand, to avoid the problem that the drip irrigation port is blocked by soil or roots of crops, resulting in the inability to carry out subsequent drip irrigation operations, and on the other hand, the flow rate of the water entering the drip irrigation patch is adjusted according to the change of the actual water flow, so that the water flowing out of the drip irrigation port always maintains the same flow rate.

[0023] 2. The present invention cooperates with the first floating plate, the second floating plate, the water blocking plate and other devices to enable the impurities entering the drip irrigation patch to be discharged into the drip irrigation belt through the water outlet trough after the drip irrigation is completed, and to be discharged outward along with the flow of water in the drip irrigation belt, thereby avoiding the problem of internal blockage of the device after a long time, which makes it impossible to carry out subsequent drip irrigation operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the structure of the water inlet assembly of the present invention;

[0026] Figure 3 It is a schematic diagram of the structure of the drip irrigation assembly of the present invention;

[0027] Figure 4 It is a schematic diagram of the structure of the drip irrigation patch of the present invention;

[0028] Figure 5 It is a partial half-section schematic diagram of the drip irrigation patch of the present invention;

[0029] Figure 6 It is a schematic diagram of the connection structure between the hinge part and the water blocking plate of the present invention;

[0030] Figure 7 It is a schematic diagram of the top view of the structure of the drip irrigation patch of the present invention.

[0031] In the figure:

[0032] 10. Pumping assembly;

[0033] 20. Water inlet assembly; 21. Water delivery belt; 22. Sealing valve; 23. Connecting valve;

[0034] 30. Drip irrigation assembly; 31. Drip irrigation belt; 32. Drip irrigation port; 33. Connecting groove; 34. Drip irrigation patch; 341. Shell; 342. Water inlet groove; 343. Water blocking groove; 344. Water outlet groove; 345. Water blocking plate; 35. Through groove; 36. Hinge portion; 361. First support rod; 362. Rotating rod; 363. Second support rod; 37. First floating plate; 38. Second floating plate; 381. Bump; 382. Airbag. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] like Figure 1 As shown, the first embodiment of the present invention provides a farmland drip irrigation device, including: a pumping component 10, the pumping component 10 is used to extract and transport water and water-soluble fertilizer, a water inlet component 20, the water inlet component 20 is connected to the pumping component 10 and adjusts the row spacing according to the spacing between two adjacent rows of different farmlands, and a drip irrigation component 30, the drip irrigation component 30 is connected to the water inlet component 20 and performs drip irrigation operations on the farmland, and at the same time can clean impurities entering the drip irrigation component 30 and adjust the drip irrigation water flow rate according to the water pressure.

[0037] In this embodiment, the pumping component 10 includes a water pump, a pumping pipe connected to the water pump, and a fertilizer tank connected to the water pump through the pumping pipe. One end of the water pump is connected to the fertilizer tank through the pumping pipe, and the other end of the water pump is connected to the water inlet component 20. When the water pump performs pumping operations, the water-soluble fertilizer in the fertilizer tank is transported to the water inlet component 20, and the roots of crops are accurately fertilized through the drip irrigation component 30. When it is necessary to water the crops, the pumping pipe can be connected to the reservoir, and the water in the reservoir can be transported to the drip irrigation component 30 through the pumping component 10 to water the roots of the crops.

[0038] like Figure 2 As shown, in this embodiment, the water inlet assembly 20 includes a water conveying belt 21, and a plurality of sealing valves 22 and connecting valves 23 are linearly arranged on the water conveying belt 21. The plurality of sealing valves 22 and connecting valves 23 are alternately arranged, and each sealing valve 22 and connecting valve 23 are connected to the inside of the water conveying belt 21. By opening a plurality of connecting holes connected to the inside of the water conveying belt 21 on the water conveying belt 21, and connecting the sealing valves 22 and the connecting valves 23 to the inside of the water conveying belt 21 through the connecting holes, the device can adaptively adjust the two connecting valves 23 according to the row spacing of different farmlands. Spacing, for the sake of convenience, an example is given in which the row spacing of a farmland is 20 cm and the spacing between two adjacent connecting holes is 10 cm. When laying a drip irrigation device on the above-mentioned farmland, a water belt 21 is laid at one end of the farmland, and a plurality of connecting valves 23 are installed according to the row spacing of the farmland, and a plurality of connecting holes between two adjacent connecting valves 23 are sealed by a sealing valve 22, so that the water entering the water belt 21 can only flow out through the connecting valve 23, so that the device can adaptively adjust the spacing between the two connecting valves 23 according to the row spacing of different farmlands.

[0039] like Figure 3 As shown, in the present embodiment, the drip irrigation assembly 30 includes a drip irrigation belt 31, one end of the drip irrigation belt 31 is connected to the water inlet assembly 20, and the other end is closed by a closing mechanism, and the drip irrigation belt 31 and the water inlet assembly 20 are detachably connected, and the closing mechanism includes but is not limited to a water stop clamp and a water stop valve and other structures that can seal one end of the drip irrigation belt 31, and a plurality of drip irrigation ports 32 are provided in a linear array on the axial outer wall of each drip irrigation belt 31, and a plurality of connecting grooves 33 are provided in a linear array on the axial inner wall of each drip irrigation belt 31 and in the area below the drip irrigation port 32, and the drip irrigation ports 32 and the connecting grooves 33 in the same area are connected to each other so that the inner cavity of the drip irrigation belt 31 is connected to the outside.

[0040] When it is necessary to connect the drip irrigation belt 31 with the water supply belt 21, the multiple drip irrigation belts 31 are connected in sequence through the multiple connecting valves 23 arranged on the water supply belt 21, and the end of the drip irrigation belt 31 that is not connected to the connecting valve 23 is sealed by the closing mechanism, so that the water or water-soluble fertilizer transported to the water supply belt 21 by the pumping component 10 is transmitted to the drip irrigation belt 31 through the connecting valve 23. Since the other end of the drip irrigation belt 31 is closed by the closing mechanism, the water entering the drip irrigation belt 31 can only be discharged outward through the drip irrigation port 32, thereby drip irrigation and watering the roots and stems of the plants. This precision irrigation method not only saves precious water resources, but also promotes the good development of the crop root system, and enhances the stress resistance and yield of the crops.

[0041] like Figure 3-4 As shown, based on the farmland drip irrigation device of the above embodiment, in another embodiment of the present invention, the drip irrigation assembly 30 also includes a drip irrigation patch 34, and the drip irrigation patch 34 includes a shell 341, and a water inlet groove 342 arranged in a ring is opened on the side of the shell 341, and a water blocking groove 343 is opened on one side of the upper end of the shell 341, and a water outlet groove 344 is opened on the other side of the upper end of the shell 341, and a water blocking plate 345 is arranged in the water outlet groove 344, by fixing the drip irrigation patch 34 in the connecting groove 33, and the water outlet groove 344 is connected with the water inlet groove 342 through the water blocking groove 343.

[0042] When the crops are drip-irrigated through the drip irrigation belt 31, the water entering the drip irrigation belt 31 will flow in the direction of the connecting groove 33 because the other end of the drip irrigation belt 31 is sealed. At this time, the drip irrigation water will enter the water blocking groove 343 through the water inlet groove 342. The design of the water blocking groove 343 slows down the flow rate of the water flow, so that the water entering the water outlet groove 344 flows slowly. The design of the water blocking plate 345 further reduces the flow rate of the water flow, so that the water flowing out of the drip irrigation port 32 is in the shape of water drops, which effectively avoids a large amount of drip irrigation water flowing out quickly through the drip irrigation port 32 due to the excessive flow rate of the drip irrigation water. At the same time, the design of the drip irrigation patch 34 keeps the water flow rate at multiple drip irrigation ports 32 consistent, so as to avoid the problem of uneven drip irrigation caused by excessive flow rate of the drip irrigation port 32 close to one end of the water conveying belt 21 and excessive flow rate of the drip irrigation port 32 far away from one end of the water conveying belt 21 under the action of water pressure.

[0043] In this embodiment, the water inlet groove 342 runs through the upper and lower ends of the shell 341, and the water blocking groove 343 is spliced ​​into a maze shape by a plurality of baffles. The inlet of the maze-shaped water blocking groove 343 is connected with the water inlet groove 342, and the outlet of the maze-shaped water blocking groove 343 is connected with the water outlet groove 344. By setting the water blocking groove 343 as a maze structure, when the drip irrigation water enters the water blocking groove 343 through the water inlet groove 342, the drip irrigation water continuously changes the direction of the water flow through the obstruction of the plurality of baffles, thereby slowing down the flow rate and water pressure of the water flow. At the same time, the impurities in the water flow are retained in the maze through the obstruction of the plurality of baffles, thereby avoiding the problem that the impurities in the water accumulate continuously after the device is used for a long time, causing the drip irrigation port 32 to be blocked.

[0044] like Figure 5-7 As shown, based on the farmland drip irrigation device of the above embodiment, in another embodiment of the present invention, both ends of the water blocking plate 345 are provided with hinged parts 36 in a mirror image, and one end of the hinged part 36 away from the water blocking plate 345 passes through the shell 341 and is connected to the first floating plate 37, and the first floating plate 37 is slidably connected to the water inlet groove 342, and a through groove 35 is opened below the water outlet groove 344, and two second floating plates 38 are provided in the through groove 35 in a mirror image, and the first floating plate 37 and the water blocking plate 345 are connected by the hinged part 36. The first floating plate 37 is connected to form a lever structure. When the drip irrigation water in the drip irrigation belt 31 does not contact the drip irrigation patch 34, since the gravity of the first floating plate 37 is greater than the gravity of the water blocking plate 345, the first floating plate 37 will move downward and push the water blocking plate 345 to move upward through the hinge 36, so that the drip irrigation port 32 is sealed by the water blocking plate 345, so as to prevent a large amount of mud from entering the drip irrigation patch 34 through the drip irrigation port 32 and clogging the drip irrigation patch 34 when the device is not in use.

[0045] It should be noted that, since the drip irrigation belt 31 is laid in a shallow buried manner, and in order to avoid blockage of the soil and the drip irrigation port 32, the drip irrigation port 32 is usually set on the side away from the ground, that is, the drip irrigation port 32 is set in the upper area of ​​the drip irrigation belt 31. However, since the roots and stems of crops are hydrophilic, after a long period of drip irrigation, the roots and stems of crops will spread toward the direction of the drip irrigation port 32. Therefore, the design of the above-mentioned water blocking plate 345 can also effectively prevent the roots and stems of crops from spreading into the drip irrigation port 32.

[0046] Based on the farmland drip irrigation device of the above embodiment, in another embodiment of the present invention, two second floating plates 38 are fixedly connected to two protrusions 381 on both sides of one end away from each other, and the protrusions 381 are rotatably connected to the through groove 35. The two second floating plates 38 are fixedly connected to one end close to each other with an air bag 382, ​​and the air bag 382 runs through the top and bottom of the second floating plates 38. The hinged portion 36 includes a first support rod 361, one end of the first support rod 361 is movably connected to the water blocking plate 345, and the other end is fixedly connected to a rotating rod 362. A rotating groove adapted to the rotating rod 362 is opened on the shell 341, and the rotating rod 362 is sealed and rotatably connected to the shell 341. The side of the rotating rod 362 opposite to the first support rod 361 is fixedly connected to the second support rod 363, and the end of the second support rod 363 away from the rotating rod 362 is movably connected to the first floating plate 37.

[0047] First, when the device is laid according to the row spacing of the farmland and drip irrigation is carried out, the drip irrigation water or water-soluble fertilizer is transported to the water inlet component 20 through the pumping component 10, and the drip irrigation water or water-soluble fertilizer is passed through the water inlet component 20 to drip the crops through the drip irrigation component 30. The drip irrigation water or water-soluble fertilizer entering the drip irrigation belt 31 will first fill the drip irrigation belt 31, and pass through a plurality of drip irrigation patches 34 arranged above the drip irrigation belt 31 to be discharged from the drip irrigation port 32. In this process, the drip irrigation water or water-soluble fertilizer will first flow through the water inlet groove 342 to the direction of the water blocking groove 343. At this time, since the gravity of the first floating plate 37 is greater than the gravity of the water blocking plate 345, and the first floating plate 37 and the water inlet groove 3 42 is slidably connected, so the drip irrigation water or water-soluble fertilizer will first push the first floating plate 37 to move upward, and the water blocking plate 345 will move downward through the setting of the hinge part 36, and the water outlet groove 344 is connected with the drip irrigation port 32, so that the water flow is discharged outward through the water outlet groove 344, and at the same time, the buoyancy of the water flow is set to push the two second floating plates 38 to rotate upward around the protrusion 381 to seal the through groove 35. At this time, the air bag 382 set on the second floating plate 38 will contact the bottom of the water blocking plate 345 and provide support for the water blocking plate 345 to avoid the problem that the water pressure entering the water outlet groove 344 is too large, which causes the water blocking plate 345 to move downward, resulting in excessive water discharge from the drip irrigation port 32, affecting the drip irrigation effect.

[0048] Secondly, when drip irrigation is stopped, the water or water-soluble fertilizer retained in the drip irrigation belt 31 is discharged and collected by opening the closing mechanism, thereby preventing the water or water-soluble fertilizer from being retained in the drip irrigation belt 31 for a long time and deteriorating. At this time, since the drip irrigation water in the drip irrigation belt 31 is not in contact with the drip irrigation patch 34, and the gravity of the first floating plate 37 is greater than the gravity of the water blocking plate 345, the first floating plate 37 will move downward and push the water blocking plate 345 upward through the hinge 36, thereby sealing the drip irrigation port 32 through the water blocking plate 345, thereby preventing a large amount of soil from entering the drip irrigation patch 34 through the drip irrigation port 32 and clogging the drip irrigation patch 34 when the device is not in use. At the same time, due to the upward movement of the water blocking plate 345, the water outlet trough 34 4 will be connected with the through groove 35 below the water outlet groove 344, and the two second floating plates 38 arranged in the through groove 35 will rotate downward around the protrusion 381 under the action of gravity, opening the connection between the through groove 35 and the inside of the drip irrigation belt 31. In this state, the water outlet groove 344 will be connected with the inside of the drip irrigation belt 31, and the water and some impurities in the water remaining in the drip irrigation patch 34 will be discharged into the drip irrigation belt 31 through the water outlet groove 344 and the through groove 35, and the water and some impurities in the water discharged into the drip irrigation belt 31 will flow outward along the drip irrigation belt 31, thereby realizing the cleaning of impurities in the drip irrigation patch 34, and effectively avoiding the problem that the impurities in the water remain in the water blocking groove 343 after the device is used for a long time, resulting in the drip irrigation port 32 being unable to perform normal drip irrigation in subsequent use.

[0049] It should be noted that, in order to facilitate the discharge of water and impurities in the water blocking groove 343, the height of the water blocking groove 343 can be adjusted, that is, the water blocking groove 343 is higher than the water outlet groove 344. At this time, under the action of gravity, the impurities and water in the water will be driven to move in the direction of the water outlet groove 344. When the second drip irrigation operation is carried out after completing one drip irrigation operation, the water flow enters the water blocking groove 343 and also washes the impurities in the water blocking groove 343, thereby moving the impurities in the water blocking groove 343 in the direction of the water outlet groove 344. Due to the setting of the water blocking plate 345, this part of the impurities remains in the water outlet groove 344 until the water outlet groove 344 is connected to the inside of the drip irrigation belt 31 through the through groove 35 and is discharged.

[0050] Finally, by setting the second floating plate 38 and the air bag 382 thereon, when the drip irrigation belt 31 performs drip irrigation, the second floating plate 38 will rotate upward under the buoyancy of the water flow and seal the through groove 35 below the water outlet groove 344, thereby preventing the water flow from directly connecting the water outlet groove 344 with the drip irrigation port 32 through the through groove 35, causing the water flow velocity to be too fast to affect the drip irrigation effect. After the two second floating plates 38 seal the through groove 35 under the action of buoyancy, the water pressure in the drip irrigation belt 31 is reduced. The water flow will act on the airbag 382, ​​and the water flow will squeeze the airbag 382 located in the area below the second float 38. The faster the flow rate, the stronger the squeezing force, so that the gas in the airbag 382 located in the area below the second float 38 moves to the airbag 382 in the area above the second float 38, and supports the water blocking plate 345, thereby balancing the flow rate of water in the drip irrigation patch 34, so that the water entering the drip irrigation patch 34 of the device always maintains the same flow rate, further improving the drip irrigation accuracy of the device.

[0051] It should be noted that a clamping plate for limiting the rotation of the second floating plate 38 is provided above the through slot 35 , so as to prevent the second floating plate 38 from excessively rotating under the action of buoyancy.

[0052] Based on the above embodiments, the present invention also provides an application of the drip irrigation device as described above in water conservancy irrigation, so as to accurately control the blockage generated during the drip irrigation process and the amount of drip irrigation water, thereby further optimizing the effect of water conservancy irrigation.

[0053] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A farmland drip irrigation device, characterized in that: The farmland drip irrigation device comprises: A pumping assembly, which is used to extract and transport water and water-soluble fertilizer; A water inlet assembly, which is connected to the water pumping assembly and adjusts the row spacing according to the spacing between two adjacent rows of different farmlands; A drip irrigation component, wherein the drip irrigation component is connected to a water inlet component and performs drip irrigation on farmland, and can clean impurities entering the drip irrigation component and adjust the flow rate of drip irrigation water according to water pressure. The drip irrigation component comprises a drip irrigation patch, and the drip irrigation patch comprises a shell, a water inlet groove arranged in an annular shape is provided on the side of the shell, a water blocking groove is provided on one side of the upper end of the shell, and a water outlet groove is provided on the other side of the upper end of the shell, a water blocking plate is provided in the water outlet groove, and hinged parts are provided at both ends of the water blocking plate in a mirror-like manner, and one end of the hinged part away from the water blocking plate passes through the shell and is connected to a first floating plate, the first floating plate is slidably connected to the water inlet groove, a through groove is provided below the water outlet groove, and two second floating plates are provided in a mirror-like manner in the through groove; Two protrusions are fixedly connected to the two ends of the two second floating plates that are far away from each other, and the protrusions are rotatably connected to the through slots. An air bag is fixedly connected to the ends of the two second floating plates that are close to each other, and the air bag runs through the top and bottom of the second floating plates. The hinged portion includes a first support rod, one end of which is movably connected to the water blocking plate, the other end of which is fixedly connected to a rotating rod, a rotating groove adapted to the rotating rod is provided on the shell, the rotating rod is sealingly and rotatably connected to the shell, a second support rod is fixedly connected to the side of the rotating rod opposite to the first support rod, and an end of the second support rod away from the rotating rod is movably connected to the first floating plate.

2. The drip irrigation device according to claim 1, characterized in that: The water inlet groove runs through the upper and lower ends of the shell, and the water blocking groove is spliced ​​into a maze shape by a plurality of baffles. The inlet of the maze-shaped water blocking groove is connected with the water inlet groove, and the outlet of the maze-shaped water blocking groove is connected with the water outlet groove.

3. The drip irrigation device according to claim 1, characterized in that: The drip irrigation assembly also includes a drip irrigation belt, one end of which is connected to the water inlet assembly and the other end is closed by a closing mechanism, and the drip irrigation belt and the water inlet assembly are detachably connected. The closing mechanism includes but is not limited to structures such as a water stop clamp and a water stop valve that can seal one end of the drip irrigation belt.

4. The drip irrigation device according to claim 3, characterized in that: A plurality of drip irrigation ports are provided in a linear array on the outer wall of the axial side of each drip irrigation belt, a plurality of connecting grooves are provided in a linear array on the inner wall of the axial side of each drip irrigation belt and in the area below the drip irrigation ports, and the drip irrigation ports and connecting grooves in the same area are interconnected so that the inner cavity of the drip irrigation belt is connected with the outside.

5. The drip irrigation device according to claim 1, characterized in that: The water inlet assembly comprises a water conveying belt, on which a plurality of sealing valves and connecting valves are linearly arranged, and each of the sealing valves and connecting valves is communicated with the interior of the water conveying belt.

6. The drip irrigation device according to claim 1, characterized in that: The water pumping assembly comprises a water pump, a water pumping pipe connected to the water pump, and a fertilizer tank connected to the water pump through the water pumping pipe.

7. Application of the drip irrigation device according to any one of claims 1 to 6 in water irrigation.

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