An automatic control gate valve for paddy field water level

Abstract

The present invention relates to the technical field of intelligent agriculture, and particularly relates to a rice paddy water level automatic control gate valve and its control method, which includes a base (1), a gate plate (2), a control device (3) and a driving structure (4). The gate plate (2) is fixedly connected to the driving structure (4) and slides up and down with the driving structure (4), so as to open the drainage channel (12) and connect to the external channel (7405) for drainage and irrigation. The driving structure (4) is controlled by the control device (3), and both the control device (3) and the driving structure (4) are powered by a solar panel (6). The devices are interconnected in a self-organizing network manner, without being restricted by the deployment distance and quantity, and can cover a large area without being affected by the terrain. The device can also be manually operated to open the gate valve. The present invention has the characteristic of being expandable. As long as new terminal devices are added, the control range of the system can be increased. Moreover, the driving mode and structure are simple, reducing the wiring cost and making the rice paddy water level control intelligent.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent agriculture, and particularly relates to a valve for automatically controlling the water level in a paddy field. Background Art

[0002] Water resources in China are extremely scarce. Agriculture is a major water consumer in China, and agricultural irrigation accounts for the vast majority of the total agricultural water consumption. Rice has always been one of the most important food crops in China. However, at present, rice irrigation still mainly relies on flooding irrigation, and the water management and control links still rely on manual labor to complete. This not only causes serious waste of irrigation water, but also the extensiveness of manual operation makes it difficult to effectively and accurately control the water level height, which affects the growth of seedlings and increases the labor cost. Therefore, developing and implementing an intelligent irrigation and drainage device for paddy fields, using information technology as a means to improve the utilization rate of water and the accuracy of irrigation and drainage, is particularly important for a large agricultural country like China that lacks water resources.

[0003] A self-organizing network is a network that combines mobile communication and computer networks. The information exchange in the network adopts the packet switching mechanism in computer networks, and the user terminals are portable terminals that can move. Each user terminal in the self-organizing network has both the functions of a router and a host. As a host, the terminal needs to run various user-oriented application programs, such as editors, browsers, etc.; as a router, the terminal needs to run the corresponding routing protocol, and complete the forwarding and routing maintenance of data packets according to the routing strategy and routing table. Therefore, it is required that the node implements a suitable routing protocol. The goal of the self-organizing network routing protocol is to be fast, accurate, and efficient. It is required to find accurate and available routing information in the shortest possible time, be able to adapt to the rapid changes in the network topology, and at the same time reduce the introduced additional delay and the control information for maintaining the route, and reduce the overhead of the routing protocol to meet the limitations in terms of the computing power, storage space, and power supply of mobile terminals, and can be used for information interaction in paddy field drainage devices.

[0004] Existing paddy field drainage devices can perform automatic drainage and maintain the water level in the paddy field during paddy field irrigation management. However, the water level in the paddy field cannot be automatically and accurately controlled, and only manual water level adjustment can be performed according to requirements.

[0005] In addition, some existing water level control devices either use manual control or use a controller powered by 220V. The disadvantages of such technical solutions are: the device cannot be automatically controlled; there are safety problems in arranging 220V power sources in the field, and the power cord is easily damaged, resulting in the disadvantage of electric leakage.

[0006] Chinese Patent CN201610691816.2 discloses a patent with the title of Automatic Paddy Field Drainage Device. The key technical points are as follows: An automatic paddy field drainage device, on the outer surface of the vertical smooth circular tube of the L-shaped outlet pipe, there is an annular floating body sleeved. The mating surface of the annular floating body is matched with the pipe surface of the upper part of the vertical part of the L-shaped outlet pipe and can slide on the upper part of the outlet pipe, and can open or close the drainage channel when sliding up and down. It can drain automatically and maintain the water level in the paddy field, but it cannot achieve precise control of the paddy field water level and can only adjust the water level manually according to requirements.

[0007] In addition, in the existing gate valve devices, the gate plate is mostly connected with the screw thread in a threaded manner, which cannot achieve flexible control, nor can it utilize the advantages of the fixed and rotatable screw. Moreover, the driving method is mainly handwheel driving, which is time-consuming and laborious and cannot control the water supply and drainage intelligently and efficiently. Summary of the Invention

[0008] The present invention aims at the problems described in the background technology and provides an automatic control gate valve for paddy field water level.

[0009] In order to solve the above technical problems, the present invention is solved by the following technical solutions:

[0010] An automatic control gate valve for paddy field water level includes a base, a gate plate, a control device and a driving structure. A gate plate guide groove is provided on the side wall of the base. The gate plate is arranged in the gate plate guide groove and can slide up and down along the gate plate guide groove. The control device is arranged on the top of the base, and a housing is arranged outside the control device. The driving structure is arranged inside the housing. The driving structure is connected to the gate plate and is electrically connected to the control device. The driving structure includes: a motor, a screw and a transmission structure; the transmission structure is a worm and worm gear structure, and the output shaft of the motor is connected to the worm.

[0011] Preferably, the screw is arranged on the driving structure; when the motor starts, the motor drives the transmission structure, and the transmission structure drives the screw to rotate, thereby driving the gate plate to slide up and down in the gate plate guide groove.

[0012] Preferably, the motor is fixedly connected to the gate plate, and the screw is arranged on the driving structure; when the motor starts, the motor drives the transmission structure, and the transmission structure drives the motor to lift along the screw, and the motor drives the gate plate to slide up and down in the gate plate guide groove.

[0013] Preferably, a drainage channel is provided inside the base. The device further includes a sensor. The control device includes a partition board, a waterproof box, and a storage battery. A solar panel is provided on the top of the housing. The partition board is arranged inside the housing. The waterproof box and the storage battery are arranged on the upper surface of the partition board. A control circuit, an energy collection circuit, and a communication circuit are provided inside the waterproof box. The control circuit is electrically connected to the energy collection circuit, the communication circuit, the solar panel, the motor, the storage battery, and the sensor respectively. The electric energy collected by the solar panel is stored in the storage battery through the energy collection circuit. The storage battery is electrically connected to the motor, the communication circuit, and the sensor through the control circuit to maintain the operation of the motor and the sensor and the communication between the control device and the outside. The sensor collects external signal data and transmits it to the control device.

[0014] Preferably, the control device and the sensors are interconnected with each other in a self-organizing network manner, and the control device and the sensors communicate with each other through the system to realize the combined operation and control of the sensor signals and the control signals, and perform in-situ operation and data processing.

[0015] A manual device includes a manual driving device.

[0016] Preferably, the manual driving device is set as a rotary cap, and the rotary cap is connected to the screw rod. The rotary cap is arranged at the outer top end of the housing, and rotating the rotary cap can drive the screw rod to rotate.

[0017] Preferably, the manual driving device is set as a handgrip. A strip-shaped limiting block is arranged on the side wall of the housing. A guide groove is formed between the limiting blocks. Limiting holes are provided on both the housing and the driving structure. The driving structure and the housing are both connected to the limiting block through a limiting pin inserted into the limiting hole. When it is necessary to manually open the gate plate, pull out the limiting pin and lift the driving structure by pulling up the handgrip.

[0018] A gate plate is provided with a baffle inside. A baffle guide groove is provided at the contact position between the gate plate and the baffle. A grip is arranged on the side wall outside the baffle. Pushing and pulling the grip up and down can make the baffle move up and down in the baffle guide groove.

[0019] An irrigation and drainage control method for the above device

[0020] The paddy field water level sensor (7404) collects the paddy field water level (7403) data, and the channel water level sensor collects the channel water level data; when the channel water level is higher than the paddy field water level and the water level data of the paddy field (7401) is lower than the required paddy field water level (7403) data, the gate valve is activated to lift the gate plate (2) and open the drainage channel (12), and the channel (7405) starts to supply water to the paddy field (7401); when the paddy field water level reaches the preset threshold, the gate valve is activated to lower the gate plate (2) and close the drainage channel (12), and the channel (7405) stops supplying water to the paddy field (7401); the paddy field water level sensor (7404) collects the paddy field water level (7403) data, and the channel water level sensor collects the channel water level data; when the channel (7405) water level is lower than the paddy field water level (7403) and the water level data of the paddy field is higher than the required paddy field water level data, the gate valve is activated to lift the gate plate (2) and open the drainage channel (12), and the paddy field starts to drain water to the channel (7405); when the channel (7405) water level is lower than the paddy field water level (7403) and the paddy field water level (7403) reaches the preset threshold, the gate valve is activated to lower the gate plate (2) and close the drainage channel (12), and the paddy field (7401) stops draining water to the channel (7405).

[0021] Due to the adoption of the above technical solutions, the present invention has remarkable technical effects:

[0022] The present invention controls the irrigation and drainage of the paddy field through a water level control gate valve. The gate valve is independently powered by a solar panel and can be directly deployed to the end of the field without burying and laying power lines and signal lines. This saves a large amount of construction and material costs and can also avoid potential safety hazards caused by field wiring;

[0023] The gate valves can communicate with each other through the system to achieve the combined operation and control of sensor signals and control signals. Data can be calculated and processed nearby without the need for a centralized controller to perform calculations;

[0024] The gate valves are connected to each other in a self-organizing network, which is not limited by the deployment distance and quantity, and can cover a large area without being affected by the terrain. The system has the characteristic of being expandable. As long as new end devices are added, the control range of the system can be increased;

[0025] In addition, the gate valve can realize the automatic control of paddy field irrigation and drainage through a driving structure, can be automatically controlled according to requirements or water level setting control, combines the functions of paddy field irrigation and drainage, has a simple structure, and can accurately control the paddy field water level through the gate valve for fine planting. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic structural diagram of Embodiment 1 of the present invention.

[0027] Figure 2 It is a schematic structural diagram of Embodiment 1 of the present invention.

[0028] Figure 3 It is a schematic structural diagram of Embodiment 2 of the present invention.

[0029] Figure 4 It is a schematic structural diagram of Embodiment 2 of the present invention.

[0030] Figure 5 It is a schematic structural diagram of Embodiment 3 of the present invention.

[0031] Figure 6 It is a schematic structural diagram of Embodiment 3 of the present invention.

[0032] Figure 7 It is a schematic diagram of the installation of the device of Embodiment 1 of the present invention in a paddy field.

[0033] Figure 8 It is a schematic diagram of the installation of the device of Embodiment 2 of the present invention in a paddy field.

[0034] Figure 9 It is a schematic diagram of the installation of the device of Embodiment 3 of the present invention in a paddy field.

[0035] Figure 10 It is a schematic diagram of the installation of the device of Embodiment 4 of the present invention in a paddy field.

[0036] Figure 11 It is a flowchart of the water inlet of the device of the present invention.

[0037] Figure 12 It is a flowchart of the water drainage of the device of the present invention.

[0038] The names of the parts referred to by each numerical label in the drawings are as follows: Among them, the base 1, the gate guide groove 11, the drainage channel 12, the gate 2, the baffle 21, the baffle guide groove 212, the handle 22, the control device 3, the housing 31, the limit block 311, the guide groove 312, the limit hole 313, the limit pin 314, the waterproof box 32, the battery 33, the partition 34, the drive structure 4, the motor 41, the central hole 42, the screw 43, the sensor 5, the solar panel 6, the manual drive device 7, the rotary cap 71, the handgrip 72, the paddy field 7401, the ridge 7402, the paddy field water level 7403, the water level sensor 7404, the channel 7405. Detailed implementation manners

[0039] The present invention will be further described in detail below with reference to the drawings and embodiments.

[0040] Embodiment 1

[0041] As Figure 1 , Figure 2 and Figure 7As shown in the figure, an automatic control gate valve for paddy field water level includes a base 1, a gate plate 2, a control device 3 and a driving structure 4. A gate plate guide groove 11 is provided on the side wall of the base 1. The gate plate 2 is arranged in the gate plate guide groove 11 and can slide up and down along the gate plate guide groove 11. The control device 3 is arranged on the top of the base 1. A housing 31 is provided outside the control device 3. The driving structure 4 is arranged inside the housing 31. The driving structure 4 is fixedly connected to the gate plate 2 and is electrically connected to the control device 3. The driving structure 4 includes a motor 41 and a screw rod 43. The motor 41 is connected to the screw rod 43 through a transmission structure, and the transmission structure is arranged as a worm and worm gear structure. The output shaft of the motor 41 is set as a worm, and the worm meshes with the worm gear. A central hole 42 is formed inside the worm gear. A thread with the same specification as the screw rod 43 is provided in the central hole 42, and the screw rod 43 is inserted into the central hole 42. The gate plate 2 is connected to the motor 41 or the outer shell of the transmission structure.

[0042] The screw rod 43 is arranged on the driving structure 4; when the motor 41 is started, the worm on the output shaft of the motor 41 rotates, the worm drives the worm gear to rotate, and the worm gear drives the screw rod 43 to rotate, thereby driving the gate plate 2 to slide up and down in the gate plate guide groove 11.

[0043] A drainage channel 12 is provided inside the base 1, and a sensor 5 is further included. The control device 3 includes a partition 34, a waterproof box 32 and a storage battery 33. A solar panel 6 is provided on the top of the housing 31. The partition 34 is arranged inside the housing 31. The waterproof box 32 and the storage battery 33 are fixedly arranged on the upper surface of the partition 34. A control circuit, an energy collection circuit and a communication circuit are provided inside the waterproof box 32. The control circuit is electrically connected to the energy collection circuit, the communication circuit, the solar panel 6, the motor 41, the storage battery 33 and the sensor 5 respectively; the electric energy collected by the solar panel 6 is stored in the storage battery 33 through the energy collection circuit; the storage battery 33 is electrically connected to the motor 41, the communication circuit and the sensor, maintaining the operation of the motor 41 and the sensor 5 and the communication between the control device 3 and the outside; the sensor 5 collects external signal data and transmits it to the control device 3.

[0044] The control device 3 and the sensor 5 and between the sensors 5 are connected to each other in a self-organizing network manner. The control device 3 and the sensor 5 and between the sensors 5 communicate with each other through the system to realize the combined operation and control of the sensor signals and the control signals, and perform near-computation and data processing.

[0045] This embodiment further includes a manual device for opening the valve plate, which includes a manual driving device 7. The manual driving device 7 is set as a rotary cap 71. The rotary cap 71 is connected to the screw rod 43. The rotary cap 71 is arranged at the outer top end of the housing 31. Rotating the rotary cap 71 can drive the screw rod 43 to rotate. The rotation of the screw rod 43 drives the motor 41 to move up and down, thereby driving the valve plate 2 to move, so as to open the drainage channel and achieve the purpose of water inlet and drainage in the paddy field.

[0046] Install the device described in this embodiment on the ridge 7402 of the paddy field 7401. The device arranged on the ridge 7402 should make the bottom surface of the drainage channel 12 lower than the soil surface of the paddy field 7401 or at the same height as the soil surface of the paddy field 7401. The sensor 5 on this device can be used to monitor the water level information of the channel 7405, and can also monitor the water temperature and the pH value of the water. When the water temperature or pH is abnormal, the gate plate 2 will open. A water level sensor 7404 can also be arranged in the paddy field, which can communicate with the waterproof box 32 and is used to monitor the water level of the paddy field 7401.

[0047] When the water level sensor 7404 in the paddy field 7401 monitors that the paddy field water level 7403 is higher than the set water level parameter, and the water level of the channel 7405 is lower than the paddy field water level 7403, the waterproof box 32 controls the driving structure 4 to work, so that the gate plate 2 moves upward along the gate plate guide groove 11, thereby opening the drainage channel 12, and the water discharges the excess water in the paddy field 7401 to the drainage channel 7405 outside the paddy field 7401 through the drainage channel 12; when the paddy field water level 7403 drops to the set water level parameter, the waterproof box 32 obtains the water level data of the paddy field 7401 through the water level sensor 7404, the waterproof box 32 controls the driving structure 4 to work, and the gate plate 2 descends to close the drainage channel 12, and the water in the paddy field 7401 stops draining to the channel 7405.

[0048] Embodiment 2

[0049] Such as Figure 3 、 Figure 4 And Figure 8As shown in the figure, an automatic control gate valve for paddy field water level includes a base 1, a gate plate 2, a control device 3 and a driving structure 4. A gate plate guide groove 11 is provided on the side wall of the base 1. The gate plate 2 is arranged in the gate plate guide groove 11 and can slide up and down along the gate plate guide groove 11. The control device 3 is arranged on the top of the base 1. A housing 31 is provided outside the control device 3. The driving structure 4 is arranged inside the housing 31. The driving structure 4 is fixedly connected to the gate plate 2 and is electrically connected to the control device 3. The driving structure 4 includes a motor 41 and a screw 43. The motor 41 is connected to the screw 43 through a transmission structure, and the transmission structure is set as a worm and worm gear structure. The output shaft of the motor 41 is set as a worm, and the worm meshes with the worm gear. A central hole 42 is formed inside the worm gear, and a thread with the same specification as the screw 43 is provided in the central hole 42. The screw 43 is inserted into the central hole 42.

[0050] The motor 41 is fixedly connected to the gate plate 2, and the screw 43 is arranged on the driving structure 4. When the motor 41 is started, the worm on the output shaft of the motor 41 rotates, the worm drives the worm gear to rotate, the worm gear drives the motor 41 to lift along the screw 43, and the motor 41 drives the gate plate 2 to slide up and down in the gate plate guide groove 11.

[0051] A drainage channel 12 is provided inside the base 1. It also includes a sensor 5. The control device 3 includes a partition 34, a waterproof box 32 and a storage battery 33. A solar panel 6 is provided on the top of the housing 31. The partition 34 is arranged inside the housing 31. The waterproof box 32 is fixedly arranged on the upper surface of the partition 34. A control circuit, an energy collection circuit and a communication circuit are provided in the waterproof box 32. The control circuit is electrically connected to the energy collection circuit, the communication circuit, the solar panel 6, the motor 41, the storage battery 33 and the sensor 5 respectively. The electric energy collected by the solar panel 6 is stored in the storage battery 33 through the energy collection circuit. The storage battery 33 is electrically connected to the motor 41, the sensor and the communication circuit to maintain the operation of the motor 41 and the communication between the control device 3 and the outside. The sensor 5 collects external signal data and transmits it to the control device 3.

[0052] The control device 3 and the sensor 5 and between the sensors 5 are connected to each other in a self-organizing network mode. The control device 3 and the sensor 5 and between the sensors 5 communicate with each other through the system to realize the combined operation and control of the sensor signals and control signals, and perform near-operation and data processing.

[0053] This embodiment further includes a manual device for opening the valve plate. The manual driving device 7 is set as a hand-held handle 72. A strip-shaped limiting block 311 is provided on the side wall of the housing 31. A guide groove 312 is formed between the limiting blocks 311. Limiting holes 313 are provided on both the housing 31 and the driving structure 4. The driving structure 4 and the housing 31 are both connected to the limiting block 311 through a limiting pin 314 inserted into the limiting hole 313. When it is necessary to manually open the gate plate 2, the limiting pin 314 is pulled out, the driving structure 4 is lifted by pulling up the hand-held handle 72, and the pulled-out limiting pin is inserted into the upper limiting hole, so that the gate plate is fixed, and the gate plate 2 is lifted along the gate plate guide groove 11, thereby opening the drainage channel to achieve the purpose of water inlet and drainage of the paddy field 7401.

[0054] The device of this embodiment is installed on the ridge 7402 of the paddy field 7401. When the water level 7403 of the paddy field drops to the set water level parameter, the waterproof box 32 obtains the water level data of the paddy field 7401 through the water level sensor 7404. The water level of the channel 7405 is higher than the water level 7403 of the paddy field. The waterproof box 32 controls the driving structure 4 to work, and the gate plate 2 rises to open the drainage channel 12. The water in the channel 7405 enters the paddy field 7401 through the drainage channel 12. When the water level of the paddy field 7401 reaches the set water level parameter, the waterproof box 32 obtains the water level data of the paddy field 7401 through the water level sensor 7404. The waterproof box 32 controls the driving structure 4 to work, and the gate plate 2 descends to close the drainage channel 12. The water in the channel 7405 stops entering the paddy field 7401 through the drainage channel 12.

[0055] Embodiment 3

[0056] As Figure 5 、 Figure 6 and Figure 9 shown, an automatic control gate valve for paddy field water level includes a base 1, a gate plate 2, a control device 3 and a driving structure 4. A gate plate guide groove 11 is provided on the side wall of the base 1. The gate plate 2 is arranged in the gate plate guide groove 11. The gate plate 2 can slide up and down along the gate plate guide groove 11. The control device 3 is arranged on the top of the base 1. A housing 31 is arranged outside the control device 3. The driving structure 4 is arranged inside the housing 31. The driving structure 4 is fixedly connected to the gate plate 2. The driving structure 4 is electrically connected to the control device 3. The driving structure 4 includes a motor 41 and a screw rod 43. The motor 41 is connected to the screw rod 43 through a transmission structure. The transmission structure is set as a worm and worm gear structure. The output shaft of the motor 41 is set as a worm. The worm meshes with the worm gear. A central hole 42 is formed inside the worm gear. A thread of the same specification as the screw rod 43 is provided in the central hole 42. The screw rod 43 is inserted into the central hole 42.

[0057] The screw rod 43 is arranged on the driving structure 4; when the motor 41 starts, the worm on the output shaft of the motor 41 rotates, the worm drives the worm wheel to rotate, the worm wheel drives the screw rod 43 to move up and down, and the screw rod 43 drives the gate plate 2 to slide up and down in the gate plate guide groove 11.

[0058] A drainage channel 12 is arranged inside the base 1, and it further includes a sensor 5. The control device 3 includes a partition plate 34, a waterproof box 32 and a storage battery 33. A solar panel 6 is arranged on the top of the housing 31. The partition plate 34 is arranged inside the housing 31. The waterproof box 32 and the storage battery are fixedly arranged on the upper surface of the partition plate 34. A control circuit, an energy collection circuit and a communication circuit are arranged inside the waterproof box 32. The control circuit is electrically connected to the energy collection circuit, the communication circuit, the solar panel 6, the motor 41, the storage battery 33 and the sensor 5 respectively; the electric energy collected by the solar panel 6 is stored in the storage battery 33 through the energy collection circuit; the storage battery 33 is electrically connected to the motor 41, the sensor and the communication circuit to maintain the operation of the motor 41 and the communication between the control device 3 and the outside; the sensor 5 collects external signal data and transmits it to the control device 3.

[0059] The control device 3 and the sensor 5 and between the sensors 5 are connected to each other in a self-organizing network manner. The control device 3 and the sensor 5 and between the sensors 5 communicate with each other through the system to realize the combined operation and control of the sensor signals and the control signals, and perform near-operation and data processing.

[0060] A baffle 21 is arranged inside the gate plate 2. A baffle guide groove 212 is arranged at the contact position between the gate plate 2 and the baffle 21. A handle 22 is arranged on the side wall outside the baffle 21. Pushing and pulling the handle 22 up and down can make the baffle 21 move up and down in the baffle guide groove 212, so as to open the drainage channel and achieve the purpose of water inlet and drainage of the paddy field 7401.

[0061] When the water level of the channel 7405 is higher than the water level of the paddy field 7403, the gate valve is installed on the ridge 7402 of the paddy field 7401, the gate plate 2 of the device faces the channel, and the drainage channel 12 is aligned with the paddy field 7401; when the water level of the paddy field 7403 drops to the set water level parameter, the waterproof box 32 obtains the water level data of the paddy field 7401 through the water level sensor 7404, and the waterproof box 32 controls the driving structure 4 to work, and the gate plate 2 rises to open the drainage channel 12, and the water in the channel 7405 enters the paddy field 7401 through the drainage channel 12. When the water level of the paddy field 7401 reaches the set water level parameter, the waterproof box 32 obtains the water level data of the paddy field 7401 through the water level sensor 7404, and the waterproof box 32 controls the driving structure 4 to work, and the gate plate 2 descends to close the drainage channel 12, and the water in the channel 7405 stops entering the paddy field 7401 through the drainage channel 12.

[0062] A water level sensor 7404 is set in the channel 7405, which can be used to monitor the water level information of the channel 7405. When the water level of the channel 7405 is lower than or the same as the water level of the paddy field 7401, water cannot be introduced into the channel 7405, and only the drainage function can be realized; when the water level of the channel 7405 is higher than the water level of the paddy field 7401, water cannot be drained from the channel 7405, and only the water intake function can be realized.

[0063] Embodiment 4

[0064] As Figure 10 shown, the device is installed on the ridge 7402 of the paddy field 7401. The device installed on the ridge 7402 should make the bottom surface of the drainage channel 12 lower than the soil surface of the paddy field 7401 or at the same height as the soil surface of the paddy field 7401; a water level sensor 7404 is set in the paddy field 7401, which is used to monitor the water level information of the paddy field 7401 and can communicate with the waterproof box 32 of the device to monitor the water level of the paddy field 7401.

[0065] When the water level sensor 7404 in the paddy field 7401 monitors that the paddy field water level 7403 is higher than the set water level parameter, the waterproof box 32 controls the driving structure 4 to work, so that the gate plate 2 moves upward along the gate plate guide groove 11, thereby opening the drainage channel 12, and the water discharges the excess water in the paddy field 7401 to the drainage canal outside the paddy field 7401 through the drainage channel 12; when the paddy field water level 7403 drops to the set water level parameter, the waterproof box 32 obtains the water level data of the paddy field 7401 through the water level sensor 7404, the waterproof box 32 controls the driving structure 4 to work, and the gate plate 2 descends to close the drainage channel 12, and the water in the paddy field 7401 stops draining to the channel 7405.

[0066] Irrigation process:

[0067] Water level sensors 7404 are set both in the channel 7405 and in the paddy field of the paddy field 7401. The paddy field water level 7403 sensor 7404 collects the paddy field water level 7403 data, and the channel water level sensor collects the channel 7405 water level data; when the channel 7405 water level is higher than the paddy field water level 7403 and the water level data of the paddy field 7401 is lower than the required paddy field water level 7403 data (i.e., the preset threshold); the device starts, raises the gate plate 2, opens the drainage channel 12, and the channel 7405 starts to supply water to the paddy field 7401; the paddy field water level 7403 reaches the required paddy field water level 7403 data; the device starts, lowers the gate plate 2, closes the drainage channel 12, and the channel 7405 stops supplying water to the paddy field 7401.

[0068] During the irrigation process, when the water level data of the channel 7405 is lower than the water level data of the paddy field 7401 or when the water level data of the channel 7405 is the same as the water level data of the paddy field 7403, this device will automatically start, lower the sluice gate 2, close the drainage channel 12, and the channel 7405 will stop supplying water to the paddy field 7401; when the water level of the channel 7405 resumes to be higher than the water level of the paddy field 7403, this device starts, raises the sluice gate 2, opens the drainage channel 12, and the channel 7405 continues to supply water to the paddy field 7401 until the water level of the paddy field 7403 reaches the required water level data of the paddy field 7403, then this device starts, lowers the sluice gate 2, closes the drainage channel 12, and the channel 7405 stops supplying water to the paddy field 7401.

[0069] Drainage process:

[0070] Water level sensors 7404 are installed in both the channel 7405 and the paddy field 7401 of the paddy field. The water level sensor 7404 of the paddy field water level 7403 collects the water level data of the paddy field water level 7403, and the channel water level sensor collects the water level data of the channel 7405; when the water level of the channel 7405 is lower than the water level of the paddy field 7403 and the water level data of the paddy field 7401 is higher than the required water level data of the paddy field 7403 (i.e., the preset threshold); this device starts, raises the sluice gate 2, opens the drainage channel 12, and the paddy field 7401 starts to drain water to the channel 7405; when the water level of the channel 7405 is lower than the water level of the paddy field 7403 and the water level of the paddy field 7403 reaches the required water level data of the paddy field 7403; this device starts, lowers the sluice gate 2, closes the drainage channel 12, and the paddy field 7401 stops draining water to the channel 7405.

[0071] During the drainage process, when the water level data of the channel 7405 is the same as the water level data of the paddy field 7403 or when the water level data of the channel 7405 is higher than the digital data of the paddy field 7401, this device will automatically start, lower the sluice gate 2, close the drainage channel, and the paddy field 7401 stops draining water to the lower channel 7405; when the water level of the channel 7405 resumes to be lower than the water level of the paddy field 7403, this device starts, raises the sluice gate 2, opens the drainage channel 12, and the paddy field 7401 continues to supply water to the channel 7405 until the water level of the paddy field 7403 reaches the required water level data of the paddy field 7403, then this device starts, lowers the sluice gate 2, closes the drainage channel, and the paddy field 7401 stops draining water to the channel 7405.

[0072] Due to the adoption of the above technical solutions, the present invention has remarkable technical effects:

[0073] The present invention controls the drainage and irrigation of the paddy field through a water level control gate valve. The solar panel of this gate valve is independently powered and can be directly deployed at the end of the field without burying and laying power lines and signal lines. It saves a large amount of construction and material costs and can also avoid potential safety hazards caused by field wiring;

[0074] Gate valves can communicate with each other through the system to achieve the combined operation and control of sensor signals and control signals. Data can be calculated and processed locally without the need for a centralized controller to perform calculations;

[0075] Gate valves are connected to each other in a self-organizing network, which is not limited by the deployment distance and quantity, and can cover a large area without being affected by the terrain. The system has the characteristic of being extensible. As long as new end devices are added, the control range of the system can be increased;

[0076] In addition, the gate valve can achieve automatic control of paddy field irrigation and drainage through the drive structure, and can be automatically controlled according to requirements or water level setting control. By combining the functions of paddy field irrigation and drainage, the structure is simple, and the water level of the paddy field can be controlled in real time for fine planting.

[0077] In summary, the above are only the preferred embodiments of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention shall fall within the scope covered by the patent of the present invention.

Claims

1. An automatic rice paddy water level control gate valve, comprising a base (1), a gate plate (2), a control device (3) and a driving structure (4), characterized in that: A gate plate guide groove (11) is provided on the side wall of the base (1), the gate plate (2) is arranged in the gate plate guide groove (11), the gate plate (2) can slide up and down along the gate plate guide groove (11), the control device (3) is arranged on the top of the base (1), a housing (31) is arranged outside the control device (3), the driving structure (4) is arranged inside the housing (31), the driving structure (4) is connected to the gate plate (2), the driving structure (4) is electrically connected to the control device (3), and the driving structure (4) includes a motor (41), a screw rod (43) and a transmission structure; the transmission structure is a worm and worm gear structure, and the output shaft of the motor (41) is connected to the worm; The automatic rice paddy water level control gate valve further includes a manual driving device (7); The manual driving device (7) is set as a rotating cap (71), the rotating cap (71) is connected to the screw rod (43), the rotating cap (71) is arranged at the outer top end of the housing (31), and rotating the rotating cap (71) can drive the screw rod (43) to rotate; The manual driving device (7) is set as a handgrip (72), a strip-shaped limiting block (311) is arranged on the side wall of the housing (31), a guide groove (312) is formed between the limiting blocks (311), limiting holes (313) are arranged on both the housing (31) and the driving structure (4), and both the driving structure (4) and the housing (31) are connected to the limiting block (311) through a limiting pin (314) inserted into the limiting hole (313); when it is necessary to manually open the gate plate (2), pull out the limiting pin (314), and lift the driving structure (4) by pulling up the handgrip (72); It further includes a sensor (5), and the control device (3) and the sensor (5) as well as between the sensors (5) are connected to each other in a self-organizing network manner, and the control device (3) and the sensor (5) as well as between the sensors (5) communicate with each other through the system to realize the combined operation and control of the sensor signals and the control signals, and perform near-operation and data processing.

2. The automatic rice paddy water level control gate valve according to claim 1, characterized in that: The screw rod (43) is arranged on the driving structure (4); when the motor (41) is started, the motor (41) drives the transmission structure, and the transmission structure drives the screw rod (43) to rotate, thereby driving the gate plate (2) to slide up and down in the gate plate guide groove (11).

3. The automatic rice paddy water level control gate valve according to claim 1, characterized in that: The motor (41) is fixedly connected to the gate plate (2), the screw rod (43) is arranged on the driving structure (4); when the motor (41) is started, the motor (41) drives the transmission structure to move, the transmission structure drives the motor (41) to lift along the screw rod (43), and the motor (41) drives the gate plate (2) to slide up and down in the gate plate guide groove (11).

4. The automatic rice paddy water level control gate valve according to any one of claims 1 or 2 or 3, characterized in that: Inside the base (1), there is a drainage channel (12). It also includes a sensor (5). The control device (3) includes a partition (34), a waterproof box (32), and a storage battery (33). A solar panel (6) is provided on the top of the housing (31). The partition (34) is arranged inside the housing (31). The waterproof box (32) and the storage battery (33) are arranged on the upper surface of the partition (34). Inside the waterproof box (32), there are a control circuit, an energy collection circuit, and a communication circuit. The control circuit is electrically connected to the energy collection circuit, the communication circuit, the solar panel (6), the motor (41), the storage battery (33), and the sensor (5) respectively; the electric energy collected by the solar panel (6) is stored in the storage battery (33) through the energy collection circuit; the storage battery (33) is electrically connected to the motor (41), the communication circuit, and the sensor through the control circuit to maintain the operation of the motor (41) and the sensor and the communication between the control device (3) and the outside; the sensor (5) collects external signal data and transmits it to the control device (3).

5. A kind of automatic control gate valve for paddy field water level according to any one of claims 1 or 2 or 3, characterized in that: Inside the gate plate (2), there is a baffle (21). At the contact position between the gate plate (2) and the baffle (21), there is a baffle guide groove (212). A handle (22) is arranged on the outer side wall of the baffle (21). Pushing and pulling the handle (22) up and down can make the baffle (21) move up and down in the baffle guide groove (212).

6. An irrigation and drainage control method for the automatic control gate valve for paddy field water level according to any one of claims 1 to 4, characterized in that: The paddy field water level sensor (7404) collects the paddy field water level (7403) data, and the channel water level sensor collects the channel water level data; when the channel water level is higher than the paddy field water level and the water level data of the paddy field (7401) is lower than the required paddy field water level (7403) data, the gate valve starts, raises the gate plate (2), opens the drainage channel (12), and the channel (7405) starts to supply water to the paddy field (7401); when the paddy field water level reaches the preset threshold, the gate valve starts, lowers the gate plate (2), closes the drainage channel (12), and the channel (7405) stops supplying water to the paddy field (7401); the paddy field water level sensor (7404) collects the paddy field water level (7403) data, and the channel water level sensor collects the channel water level data; when the channel (7405) water level is lower than the paddy field water level (7403) and the water level data of the paddy field is higher than the required paddy field water level data, the gate valve starts, raises the gate plate (2), opens the drainage channel (12), and the paddy field starts to drain water to the channel (7405); when the channel (7405) water level is lower than the paddy field water level (7403) and the paddy field water level (7403) reaches the preset threshold, the gate valve starts, lowers the gate plate (2), closes the drainage channel (12), and the paddy field (7401) stops draining water to the channel (7405).

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