Farmland water level monitoring device

Abstract

The utility model relates to an automatic farmland water level monitoring device, in particular to a farmland water level monitoring device which comprises a water inlet pipe, two limiting grooves are fixedly connected to the left side face and the right side face of the inner wall of the water inlet pipe respectively, and the front faces and the back faces of the inner walls of the two limiting grooves are slidably connected with the front face and the back face of a flashboard respectively. A screw a is fixedly connected to the upper surface of the flashboard, a floating ball is driven to move upwards through the water level, a pressure sensor on the lower surface of a limiting plate is pushed through the floating ball, the pressure sensor controls a servo motor a through a controller to drive a gear b and a gear a to rotate, the gear a rotates to drive a threaded sleeve to rotate, and the threaded sleeve rotates to drive the screw a to move downwards; the screw rod a moves downwards to drive the flashboard to move downwards in the limiting groove, the water inlet pipe is blocked, the water level of the farmland is limited through the limiting assembly, and the problems that an existing device cannot be automatically operated without people, and too much labor force is wasted are solved.

Description

Technical Field

[0001] The utility model relates to a farmland water level monitoring device, in particular to an automatic farmland water level monitoring device. Background Technique

[0002] The comprehensive science and technology for developing irrigation and drainage, regulating regional water conditions, improving farmland moisture conditions, preventing and controlling drought, waterlogging, salinity and alkalinity disasters to promote stable and high-yield agriculture. Through engineering and technical measures, agricultural water resources are intercepted, regulated, distributed and used, and combined with agricultural technical measures for soil improvement and fertility enhancement, and land use is expanded to achieve the purpose of stable and high-yield agriculture.

[0003] When irrigating farmland, it is necessary to accurately grasp the irrigation depth. Both too high and too little depth are not beneficial to the growth of crops. In the prior art, farmers rely on the naked eye to grasp the water depth of the farmland, and farmers need to continuously observe the water depth in order to timely close and open the gate. This is too cumbersome and cannot be automatically operated without human, which is a waste of labor. Content of the Utility Model

[0004] To solve the problems raised in the above background technique. The utility model provides a farmland water level monitoring device.

[0005] To achieve the above object, the utility model provides the following technical solution: A farmland water level monitoring device, including a water inlet pipe, on the left and right sides of the inner wall of the water inlet pipe are respectively fixedly connected with two limit grooves, and the front and back of the inner walls of the two limit grooves are respectively slidably connected with the front and back of a gate plate. The upper surface of the gate plate is fixedly connected with a screw a, and the outer surface of the screw a is threadedly connected with a threaded sleeve a. The threaded sleeve a is installed in a bearing on the upper surface of the water inlet pipe. The outer surface of the threaded sleeve a is provided with a lifting component. A floating ball water level controller is installed on the upper surface of the water inlet pipe. The bottom end of the floating ball water level controller passes through a through hole opened on the upper surface of the water inlet pipe and extends into the water inlet pipe. The left side of the inner wall of the water inlet pipe is fixedly connected with the left side of a lifting frame, and a limiting component is arranged inside the lifting frame.

[0006] Preferably, the lifting component includes a gear a installed on the outer surface of the threaded sleeve a. The outer surface of the gear a is meshed with the outer surface of a gear b. The upper surface of the gear b is fixedly connected with the output shaft of a servo motor a. The servo motor a is installed on the upper surface of the water inlet pipe.

[0007] Preferably, the water inlet pipe is fixedly connected with the lower surface of a protection box. A controller is installed on the front of the protection box.

[0008] Preferably, a connection block is slidably connected in a connection groove formed in the front surface of the gate plate. The back surface of the connection block is fixedly connected to the front surface of the filter screen. The front and back surfaces of the filter screen are respectively slidably connected to the front and back surfaces of the inner wall of the chute. The back surface of the filter screen is slidably connected to the back surface of the scraping plate. The upper surface of the scraping plate is fixedly connected to the upper surface of the inner wall of the water inlet pipe.

[0009] Preferably, the limiting assembly includes a screw rod b rotatably connected to the lower surface of the inner wall of the lifting frame. The top end of the screw rod b passes through a bearing installed on the upper surface of the inner wall of the lifting frame and is fixedly connected to the output shaft of a servo motor b. The servo motor b is installed on the upper surface of the water inlet pipe. A threaded sleeve b is threadedly connected to the outer surface of the screw rod b. The right side surface of the threaded sleeve b is fixedly connected to the left side surface of the limiting plate. A sliding hole is formed in the upper surface of the limiting plate. The inner wall of the sliding hole is slidably connected to the outer surface of the floating ball water level controller.

[0010] Preferably, a pressure sensor is installed on the limiting plate.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, the water level drives the floating ball to move upward. The floating ball pushes the pressure sensor on the lower surface of the limiting plate. The pressure sensor controls the servo motor a to drive the gear b and the gear a to rotate through the controller. The rotation of the gear a drives the threaded sleeve to rotate. The rotation of the threaded sleeve drives the screw rod a to move downward. The downward movement of the screw rod a drives the gate plate to move downward in the limiting groove to block the water inlet pipe. The limiting assembly restricts the water level of the farmland, solving the problem that the existing device cannot be automatically operated without human intervention and wastes too much labor.

[0013] In the present utility model, the filter screen filters the solid impurities contained in the water to prevent the solid impurities in the water from flowing into the farmland and damaging the crops. The servo motor a drives the gear b and the gear a to rotate. The rotation of the gear a drives the threaded sleeve a to rotate. The rotation of the threaded sleeve a drives the screw rod a to move upward. The upward movement of the screw rod a drives the gate plate to move upward. The upward movement of the gate plate drives the filter plate to move upward through the connection groove and the connection block. The scraping plate scrapes the solid impurities adhered to the surface of the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a schematic cross-sectional structural diagram of the right view of the present utility model;

[0017] Figure 3 This is a three-dimensional structural schematic diagram of the limit groove and the gate plate in the present utility model;

[0018] In the figure: 1, water inlet pipe; 2, limit groove; 3, gate plate; 4, threaded sleeve a;

[0019] Lifting assembly: 51, screw a; 52, gear a; 53, gear b; 54, servo motor a; 6, protective box;

[0020] Limit assembly: 71, servo motor b; 72, screw b; 73, threaded sleeve b; 74, limit plate;

[0021] 8, pressure sensor; 9, lifting frame; 10, connecting block; 11, sliding hole; 12, filter screen; 13, scraper; 14, sliding groove; 15, controller; 16, floating ball water level controller. Specific embodiments

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0023] Embodiment

[0024] Please refer to Figures 1-3 , the present utility model provides the following technical solutions: A farmland water level monitoring device includes a water inlet pipe 1. The left and right side surfaces of the inner wall of the water inlet pipe 1 are respectively fixedly connected with two limit grooves 2. The front and back surfaces of the inner walls of the two limit grooves 2 are respectively slidably connected with the front and back surfaces of the gate plate 3. The upper surface of the gate plate 3 is fixedly connected with a screw a 51. The outer surface of the screw a 51 is threadedly connected with a threaded sleeve a 4. The threaded sleeve a 4 is installed in the bearing on the upper surface of the water inlet pipe 1. The outer surface of the threaded sleeve a 4 is provided with a lifting assembly. The upper surface of the water inlet pipe 1 is installed with a floating ball water level controller 16. The bottom end of the floating ball water level controller 16 passes through the through hole opened on the upper surface of the water inlet pipe 1 and extends into the water inlet pipe 1. The left side surface of the inner wall of the water inlet pipe 1 is fixedly connected with the left side surface of the lifting frame 9. The inside of the lifting frame 9 is provided with a limit assembly.

[0025] Specifically, by setting that the lifting assembly includes a gear a 52 installed on the outer surface of the threaded sleeve a 4. The outer surface of the gear a 52 is meshed with the outer surface of a gear b 53. The upper surface of the gear b 53 is fixedly connected with the output shaft of a servo motor a 54. The servo motor a 54 is installed on the upper surface of the water inlet pipe 1;

[0026] The servo motor a54 drives the gear b53 and the gear a52 to rotate. The rotation of the gear a52 drives the threaded sleeve a4 to rotate. The rotation of the threaded sleeve a4 drives the screw rod a51 to move downward. The downward movement of the screw rod a51 drives the gate plate 3 to move downward in the limit groove 2 to block the water inlet pipe 1.

[0027] Specifically, by setting the water inlet pipe 1 to be fixedly connected to the lower surface of the protection box 6, and a controller 15 is installed on the front surface of the protection box 6;

[0028] The protection box 6 protects the threaded sleeve a4, the gear a52, the gear b53 and the servo motor a54.

[0029] Specifically, by setting a connection block 10 to be slidably connected in a connection groove opened on the front surface of the gate plate 3, the back surface of the connection block 10 is fixedly connected to the front surface of the filter screen 12. The front surface and the back surface of the filter screen 12 are respectively slidably connected to the front surface and the back surface of the inner wall of the sliding groove 14. The back surface of the filter screen 12 is slidably connected to the back surface of the scraping plate 13. The upper surface of the scraping plate 13 is fixedly connected to the upper surface of the inner wall of the water inlet pipe 1;

[0030] The filter screen 12 filters solid impurities contained in the water to prevent the solid impurities in the water from flowing into the farmland and damaging the crops. When the gate plate 3 moves upward, it drives the filter plate to move upward through the connection groove and the connection block 10, and the scraping plate 13 scrapes the solid impurities adhered to the surface of the filter plate.

[0031] Specifically, by setting the limit component to include a screw rod b72 rotatably connected to the lower surface of the inner wall of the lifting frame 9. The top end of the screw rod b72 passes through a bearing installed on the upper surface of the inner wall of the lifting frame 9 and is fixedly connected to the output shaft of the servo motor b71. The servo motor b71 is installed on the upper surface of the water inlet pipe 1. A threaded sleeve b73 is threadedly connected to the outer surface of the screw rod b72. The right side surface of the threaded sleeve b73 is fixedly connected to the left side surface of the limit plate 74. A sliding hole 11 is opened on the upper surface of the limit plate 74, and the inner wall of the sliding hole 11 is slidably connected to the outer surface of the floating ball water level controller 16;

[0032] The servo motor b71 drives the screw rod b72 to rotate. The rotation of the screw rod b72 drives the threaded sleeve b73 to move upward. The upward movement of the threaded sleeve b73 drives the limit plate 74 to move upward;

[0033] Specifically, a pressure sensor 8 is installed on the limit plate 74;

[0034] The water level drives the floating ball to move upward, and the floating ball pushes the pressure sensor 8 on the lower surface of the limit plate 74. The pressure sensor 8 controls the servo motor a54 through the controller 15 to drive the gear b53 and the gear a52 to rotate. The rotation of the gear a52 drives the threaded sleeve to rotate, and the rotation of the threaded sleeve drives the screw a51 to move downward. The downward movement of the screw a51 drives the gate plate 3 to move downward in the limit groove 2 to block the water inlet pipe 1.

[0035] The working principle and usage process of the present utility model:

[0036] When the present utility model is in use;

[0037] Place the water inlet pipe 1 at the farmland water inlet, filter the solid impurities contained in the water through the filter screen 12 to prevent the solid impurities in the water from flowing into the farmland. The servo motor b71 drives the screw b72 to rotate, the rotation of the screw b72 drives the threaded sleeve b73 to move upward, the upward movement of the threaded sleeve b73 drives the limit plate 74 to move upward, the water level drives the floating ball to move upward, and the floating ball pushes the pressure sensor 8 on the lower surface of the limit plate 74. The pressure sensor 8 controls the servo motor a54 through the controller 15 to drive the gear b53 and the gear a52 to rotate. The rotation of the gear a52 drives the threaded sleeve to rotate, the rotation of the threaded sleeve drives the screw a51 to move downward, and the downward movement of the screw a51 drives the gate plate 3 to move downward in the limit groove 2 to block the water inlet pipe 1.

[0038] The circuits, electronic components and modules involved are all prior arts and can be fully realized by those skilled in the art without further elaboration. The content protected by the present utility model does not involve the improvement of software and methods either.

[0039] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A farmland water level monitoring device, comprising a water inlet pipe (1), characterized in that: The left and right side surfaces of the inner wall of the water inlet pipe (1) are respectively fixedly connected with two limit grooves (2), and the front and back surfaces of the inner walls of the two limit grooves (2) are respectively slidably connected with the front and back surfaces of the gate plate (3). The upper surface of the gate plate (3) is fixedly connected with a screw rod a (51), and the outer surface of the screw rod a (51) is threadedly connected with a threaded sleeve a (4), and the threaded sleeve a (4) is installed in a bearing on the upper surface of the water inlet pipe (1). The outer surface of the threaded sleeve a (4) is provided with a lifting component. The upper surface of the water inlet pipe (1) is installed with a float water level controller (16), and the bottom end of the float water level controller (16) passes through a through hole provided on the upper surface of the water inlet pipe (1) and extends to the water inlet pipe (1). The left side surface of the inner wall of the water inlet pipe (1) is fixedly connected with the left side surface of the lifting frame (9), and the lifting frame (9) is provided with a limit assembly inside.

2. A farmland water level monitoring device according to claim 1, characterized in that: The lifting assembly comprises a gear a (52) mounted on the outer surface of a threaded sleeve a (4), the outer surface of the gear a (52) meshing with the outer surface of a gear b (53), the upper surface of the gear b (53) being fixedly connected to the output shaft of a servo motor a (54), and the servo motor a (54) being mounted on the upper surface of the water inlet pipe (1).

3. A farmland water level monitoring device according to claim 1, characterized in that: The water inlet pipe (1) is fixedly connected to the lower surface of the protection box (6), and a controller (15) is installed on the front of the protection box (6).

4. The farmland water level monitoring device according to claim 1, characterized in that: A connecting block (10) is slidably connected in a connecting groove provided on the front side of the gate plate (3); the back side of the connecting block (10) is fixedly connected to the front side of a filter screen (12); the front and back sides of the filter screen (12) are slidably connected to the front and back sides of the inner wall of the slide groove (14), respectively; the back side of the filter screen (12) is slidably connected to the back side of a scraper (13); and the upper surface of the scraper (13) is fixedly connected to the upper surface of the inner wall of the water inlet pipe (1).

5. The farmland water level monitoring device according to claim 1, characterized in that: The limit assembly comprises a screw rod b (72) rotatably connected to the lower surface of the inner wall of the lifting frame (9); the top end of the screw rod b (72) passes through a bearing installed on the upper surface of the inner wall of the lifting frame (9) and is fixedly connected to the output shaft of a servo motor b (71); the servo motor b (71) is installed on the upper surface of the water inlet pipe (1); the outer surface of the screw rod b (72) is threadedly connected to a threaded sleeve b (73); the right side surface of the threaded sleeve b (73) is fixedly connected to the left side surface of a limit plate (74); the upper surface of the limit plate (74) is provided with a sliding hole (11); the inner wall of the sliding hole (11) is slidably connected to the outer surface of a float water level controller (16).

6. A farmland water level monitoring device according to claim 5, characterized in that: The limit plate (74) is installed with a pressure sensor (8).

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