CN-122015960-A - Intelligent farmland monitoring device for farmland irrigation

CN122015960ACN 122015960 ACN122015960 ACN 122015960ACN-122015960-A

Abstract

The invention relates to the technical field of farmland irrigation and discloses an intelligent farmland irrigation monitoring device which is characterized by comprising a water sensor, a water level sensor and a controller electrically connected with the water level sensor, wherein the water level sensor is connected with a fixer and is provided with a rotating cylinder, the rotating cylinder is provided with a graduated scale, a communication hole and an iron wire net cylinder, the iron wire net cylinder is rotationally connected with the rotating cylinder, the bottom of the iron wire net cylinder is movably pressed against a fixed plate, the water sensor monitors water data of farmland soil and transmits the water data to the controller, the water on the farmland soil passes through the iron wire net cylinder and the communication hole to enter a cylinder cavity, the water level sensor monitors water level data in the cylinder cavity and transmits the water data to the controller, when the water flows in the iron wire net cylinder, the water drives the iron wire net cylinder to rotate relative to the rotating cylinder, the rotating cylinder rotates relative to the fixed plate, and reasonable arrangement of the monitoring device is realized through the structure, layout and mutual relation of all components, and accuracy of monitoring of the farmland soil level is promoted.

Inventors

FAN QUNFANG
LONG XIAOFEI
ZHU XIAOPING
LU JUAN
CHEN XIAOLI
DENG SIMIN
PAN YUMIN
LIN HUAN
ZHANG HUI

Assignees

广东水利电力职业技术学院（广东省水利电力技工学校）
珠江水利委员会珠江水利科学研究院

Dates

Publication Date: 20260512
Application Date: 20260131

Claims (10)

1. The intelligent farmland monitoring device for farmland irrigation is characterized by comprising a plurality of water sensors which are inserted into farmland soil and monitor the water content of the farmland soil, a plurality of water level sensors which are arranged on the farmland soil and monitor the water level of the farmland soil, and a controller which is communicated with a control center, wherein the water sensors and the water level sensors are respectively and electrically connected with the controller; the water level sensor is connected with a fixer, and the fixer comprises a fixed plate which is horizontally fixed on farmland soil, wherein a rotary cylinder which is longitudinally arranged and made of transparent materials is arranged on the fixed plate, and the bottom of the rotary cylinder is eccentrically and rotationally connected with the fixed plate; the water level sensor is strip-shaped, is fixed on the inner side wall of the cylinder cavity and is arranged along the longitudinal extension of the cylinder cavity, the bottom of the water level sensor extends to the bottom of the cylinder cavity, and the top of the water level sensor extends to the upper part of the cylinder cavity; The rotary cylinder is provided with a graduated scale which is arranged along the height extension of the rotary cylinder, a plurality of communication holes which are internally and externally arranged in a penetrating way are arranged on the periphery of the rotary cylinder, the communication holes are strip-shaped and are arranged along the height direction of the rotary cylinder, the bottom of each communication hole extends to the bottom of a cylinder cavity, the top of each communication hole extends to the upper part of the cylinder cavity, and water on farmland soil enters the cylinder cavity through the plurality of communication holes; The wire netting cylinder is sleeved on the periphery of the rotating cylinder, is circumferentially arranged along the periphery of the rotating cylinder, and is provided with an annular interval with the rotating cylinder; The water level sensor monitors water level data in the cylinder cavity and transmits the water level data to the controller, when the water body flows in the wire netting cylinder, the water body drives the wire netting cylinder to rotate relative to the rotating cylinder, and the rotating cylinder rotates relative to the fixing plate.
2. The intelligent farmland monitoring device for farmland irrigation according to claim 1, wherein a plurality of fixing pins are arranged at the bottom of the fixing plate, the fixing pins are circumferentially arranged along the circumference of the rotary cylinder, and the fixing pins penetrate through the fixing plate and are inserted into a farmland soil body so that the fixing plate is horizontally fixed on the farmland soil body.
3. The intelligent farmland monitoring device for farmland irrigation according to claim 2, wherein the top of the fixed plug pin is provided with a top head, the fixed plug pin is provided with an upper section extending above the fixed plate and an inserting section penetrating into farmland soil, the top head is arranged on the upper section, the periphery of the upper section is sleeved with an elastic ring made of elastic materials, the bottom of the elastic ring is abutted on the fixed plate, the top of the elastic ring is abutted on the top head, and the elastic ring is in a compression deformation state.
4. The intelligent farmland irrigation monitoring device according to claim 3, wherein the outer periphery of the insertion section is provided with a plurality of peripheral rings made of elastic materials, the plurality of peripheral rings are arranged at intervals along the axial direction of the insertion section, the peripheral rings are circumferentially arranged along the circumferential direction of the insertion section, the top of each peripheral ring is provided with an upward-arranged step ring surface, and when the insertion section is inserted into a farmland soil body, the farmland soil body is pressed against the step ring surface from top to bottom.
5. The intelligent farmland irrigation monitoring device according to claim 4, wherein the outer periphery of the outer peripheral ring is provided with an outer peripheral side surface which is arranged outwards, the outer peripheral side surface is arranged obliquely inwards along the direction from top to bottom of the outer peripheral side surface, the bottom of the outer peripheral side surface is fixedly butted at the outer periphery of the insertion section, and the top of the outer peripheral side surface is butted at the outer periphery of the step ring surface.
6. The intelligent farmland irrigation monitoring device according to claim 5, wherein the outer side of the step ring surface is in butt joint with the outer peripheral side surface, an annular hollowed-out area is formed on the inner side of the step ring surface, the hollowed-out area is circumferentially arranged along the outer periphery of the insertion section, and the outer Zhou Xianlou of the insertion section is arranged in the hollowed-out area; The outer peripheral ring is internally provided with an inclined channel, the lower end of the inclined channel penetrates through the outer peripheral side surface, and the upper end of the inclined channel penetrates through the hollowed-out area; after the inserting section is inserted into the farmland soil body, the farmland soil body is embedded into the hollowed-out area and the inclined channel, and the periphery ring is extruded by the farmland soil body to expand outwards.
7. The intelligent farmland monitoring device for farmland irrigation according to claim 1, wherein the top of the wire-netting barrel is provided with an annular strip, the annular strip is circumferentially arranged along the periphery of the rotary barrel, the periphery of the rotary barrel is provided with an annular groove, the annular strip is movably arranged in the annular groove, and when the wire-netting barrel rotates relative to the rotary barrel, the annular strip rotates along the annular groove.
8. The intelligent farmland irrigation monitoring device according to claim 1, wherein the bottom of the rotating cylinder is provided with a bottom plate, the fixed plate is provided with a protruding shaft, the protruding shaft penetrates through the bottom plate and is in rotary connection with the bottom plate, the protruding shaft and the bottom plate are eccentrically arranged, and when the rotating cylinder rotates relative to the fixed plate, the rotating cylinder eccentrically rotates by taking the protruding shaft as a rotation center.
9. The intelligent farmland irrigation monitoring device according to any of claims 1-8, wherein a plurality of elastic strips are arranged on the periphery of the wire mesh cylinder, are arranged at intervals along the axial direction of the wire mesh cylinder, and are arranged in a staggered manner along the circumferential direction of the wire mesh cylinder.
10. The intelligent farmland irrigation monitoring device according to claim 9, wherein floating strips are connected between adjacent elastic strips along the axial direction of the wire mesh cylinder, the density of the floating strips is less than that of the water body, and the floating strips and the wire mesh cylinder are obliquely arranged along the axial direction.

Description

Intelligent farmland monitoring device for farmland irrigation Technical Field The invention relates to the technical field of farmland irrigation, in particular to an intelligent farmland monitoring device for farmland irrigation. Background In the field of farmland irrigation, accurate farmland soil water level monitoring is important for reasonable irrigation, water resource conservation and crop yield and quality guarantee, and monitoring devices are reasonably arranged, so that the accurate farmland soil water level monitoring is a precondition. However, in the prior art, the monitoring device is mostly directly placed on the surface of farmland soil body or inserted into the soil body by adopting a simple water level sensor, and the arrangement mode has obvious defects: Firstly, the water level sensor is directly exposed in the external environment and is easily interfered by floaters, sundries and the like in the farmland, the floaters possibly adhere to the surface of the sensor to influence the accurate sensing of the sensor on the water level, so that the monitoring data deviate, and when the water body flows, the buffer and guide structure is lacking, the sensor can shake or displace due to the direct impact of the water body, and the accuracy of the monitoring data is further reduced. In addition, the existing monitoring device lacks effective control on the process that the water body enters the monitoring area of the sensor, impurities in the water body easily block the water inlet or the permeation path of the sensor, so that the sensor cannot timely and accurately sense the water level change, and the reliability of the whole monitoring system is affected. Disclosure of Invention The invention aims to provide an intelligent farmland monitoring device for farmland irrigation, and aims to solve the problem of monitoring misalignment of farmland soil water level caused by unreasonable device arrangement in the prior art. The intelligent farmland monitoring device for farmland irrigation comprises a plurality of water sensors which are inserted into farmland soil and monitor the water content of the farmland soil, a plurality of water level sensors which are arranged on the farmland soil and monitor the water level of the farmland soil, and a controller which is communicated with a control center, wherein the water sensors and the water level sensors are respectively and electrically connected with the controller; the water level sensor is connected with a fixer, and the fixer comprises a fixed plate which is horizontally fixed on farmland soil, wherein a rotary cylinder which is longitudinally arranged and made of transparent materials is arranged on the fixed plate, and the bottom of the rotary cylinder is eccentrically and rotationally connected with the fixed plate; the water level sensor is strip-shaped, is fixed on the inner side wall of the cylinder cavity and is arranged along the longitudinal extension of the cylinder cavity, the bottom of the water level sensor extends to the bottom of the cylinder cavity, and the top of the water level sensor extends to the upper part of the cylinder cavity; The rotary cylinder is provided with a graduated scale which is arranged along the height extension of the rotary cylinder, a plurality of communication holes which are internally and externally arranged in a penetrating way are arranged on the periphery of the rotary cylinder, the communication holes are strip-shaped and are arranged along the height direction of the rotary cylinder, the bottom of each communication hole extends to the bottom of a cylinder cavity, the top of each communication hole extends to the upper part of the cylinder cavity, and water on farmland soil enters the cylinder cavity through the plurality of communication holes; The wire netting cylinder is sleeved on the periphery of the rotating cylinder, is circumferentially arranged along the periphery of the rotating cylinder, and is provided with an annular interval with the rotating cylinder; The water level sensor monitors water level data in the cylinder cavity and transmits the water level data to the controller, when the water body flows in the wire netting cylinder, the water body drives the wire netting cylinder to rotate relative to the rotating cylinder, and the rotating cylinder rotates relative to the fixing plate. Furthermore, a plurality of fixed plug nails are arranged at the bottom of the fixed plate and are circumferentially arranged along the circumference of the rotating cylinder, and the fixed plug nails penetrate through the fixed plate and are inserted into farmland soil so that the fixed plate is horizontally fixed on the farmland soil. Further, the top of the fixed plug pin is provided with a top head, the fixed plug pin is provided with an upper section extending above the fixed plate and an inserting section penetrating into farmland soil, the top head is arranged on the upper section, the periphery