CN-119453048-B - Intelligent energy-saving irrigation management system and method based on environment monitoring

CN119453048BCN 119453048 BCN119453048 BCN 119453048BCN-119453048-B

Abstract

The invention relates to the technical field of irrigation and discloses an intelligent energy-saving irrigation management system and method based on environment monitoring, wherein the invention obtains daily water demand of crops in a farmland through a crop growth monitoring module, sets irrigation water flow according to the daily water demand, divides the farmland into a plurality of areas, monitors soil humidity, temperature and illumination intensity environment parameters of each area in real time through the environment monitoring module, and then, the environmental parameters are processed and analyzed through the data processing module to obtain current irrigation indexes of all areas, whether the set irrigation water flow meets the irrigation requirements of all areas is judged based on the current irrigation indexes of all areas, if the set irrigation water flow meets the irrigation requirements of all areas, the water is supplemented to the areas through a spray irrigation mode, then the water flow of the water is obtained through calculation based on the environmental parameters, the water content consistency of all areas of a farmland is guaranteed, and therefore the crop growth consistency of all areas is guaranteed.

Inventors

HONG SIYANG
YANG ZHENYU
FANG WEI
WANG JIAYOU
LIN MANTING
LIU LI

Assignees

广东省农业科学院农业经济与信息研究所

Dates

Publication Date: 20260512
Application Date: 20241121

Claims (4)

1. The intelligent energy-saving irrigation management system based on environment monitoring is characterized by comprising an environment monitoring module, a data processing module, a crop growth monitoring module, an intelligent control module and an execution module; The environment monitoring module monitors soil humidity, temperature and illumination intensity environment parameters in real time through various sensors arranged in the farmland, and sensor data are sent to the data processing module in a wireless transmission mode; the data processing module is used for receiving the environmental parameter data sent by the environmental monitoring module, processing and analyzing the data, and meanwhile, the data processing module is also provided with a historical data query function and is used for acquiring environmental parameter historical data; The crop growth monitoring module is used for monitoring the real-time state of crop growth and acquiring the current-stage water demand of the crops according to the real-time state of crop growth; The intelligent control module is used for generating an irrigation decision according to the analysis result of the data processing module and the current water demand of crops, controlling the execution module to perform irrigation operation, and realizing precise irrigation by adjusting the flow of the water pump and the spraying range of the spray head; the execution module comprises a water pump, a valve and a spray head, wherein the water pump is used for conveying water in a water source to a farmland, the valve is used for controlling the flow of the water flow, and the spray head sprays the water flow to a target area according to irrigation requirements; the working process of the data processing module comprises the following steps: acquiring time-varying data of soil humidity, time-varying data of temperature and time-varying data of illumination intensity in a historical time period before the current moment of the ith monitoring area; Respectively fitting a soil humidity time-varying curve, a temperature time-varying curve and an illumination intensity time-varying curve in a historical time period before the current moment of the ith monitoring area in a coordinate system according to the acquired data; respectively acquiring the area surrounded by the time-dependent change curve of soil humidity and the x-axis in the historical time period before the current moment of the ith monitoring area Area surrounded by temperature change curve along with time and x axis And the area surrounded by the time-dependent illumination intensity curve and the x-axis ; The working process of the intelligent control module comprises the following steps: calculating the current irrigation index of the ith monitored area by : ; In the formula, In order to convert the coefficients of the coefficients, And As the weight coefficient of the light-emitting diode, For the area surrounded by the standard curve of temperature change with time and the x-axis in the historical time period before the set current moment, The area enclosed by the standard curve of the illumination intensity along with time change and the x-axis in the historical time period before the set current moment; according to the current irrigation index of the ith monitored area Generating irrigation decisions; the current irrigation index according to the ith monitoring area The working process for generating irrigation decisions comprises the following steps: acquiring daily water demand of crops, and setting irrigation water flow as follows according to the daily water demand of the crops ; Current irrigation index of ith monitoring area Irrigation index threshold value of ith preset monitoring area Comparing, if Less than Water flow rate for irrigation Meet the water demand requirement of the ith monitoring area, otherwise, the ith monitoring area is additionally irrigated by adopting a spray irrigation mode Is a water flow rate of (2); the ith monitoring area is additionally irrigated The water flow obtaining process of the water flow comprises the following steps: acquiring the area of the ith monitoring area And soil volume weight ; Calculated by : ; In the formula, In order to convert the coefficients of the coefficients, And In order to set the coefficient to be the preset value, As a reference value for the standard area, Is a standard soil volume weight reference value.
2. The intelligent energy-saving irrigation management system based on environmental monitoring of claim 1, wherein the working process of the environmental monitoring module comprises: dividing a farmland into n monitoring areas, and respectively setting corresponding sensors for monitoring soil humidity, temperature and illumination intensity data of the current area in each area; The working process of the crop growth monitoring module comprises the following steps: And acquiring crop images in the farmland based on the unmanned aerial vehicle, extracting characteristic image data of crops through an image processing and analyzing algorithm, inputting the characteristic image data of the crops into a trained neural network model, and outputting to obtain daily water demand of the crops.
3. An intelligent energy-saving irrigation management system based on environmental monitoring as claimed in claim 2, wherein the process of obtaining daily water demand of crops comprises: Selecting remote sensing image data pictures of each growth stage of crops from a database, dividing and combining the remote sensing image data pictures, performing multi-person cross checking on the combined remote sensing image data, reducing the error rate of visual interpretation, and then forming a data set; dividing the data set into a training set, a verification set and a test set, wherein the dividing standard is that the ratio of the training set to the verification set to the test set is 8:1:1; Training the neural network through the data set, and calculating to obtain the current growth stage of the crops according to the trained neural network; and obtaining the daily water demand of the crops according to the current growth stage of the crops.
4. An intelligent energy-saving irrigation management method based on environment monitoring, which is characterized in that the method adopts the intelligent energy-saving irrigation management system based on environment monitoring as claimed in any one of claims 1-3 for management, and comprises the following steps: s1, acquiring daily water demand of crops in a farmland through a crop growth monitoring module; s2, dividing a farmland into n monitoring areas, and respectively setting corresponding sensors for monitoring soil humidity, temperature and illumination intensity data of the current area in each area; Step S3, calculating the current irrigation index of the ith monitoring area according to the data acquired in the step S2 ; S4, the current irrigation index of the ith monitoring area is obtained Irrigation index threshold value of ith preset monitoring area Comparing, if Less than Water flow rate for irrigation Meet the water demand requirement of the ith monitoring area, otherwise, the ith monitoring area is additionally irrigated by adopting a spray irrigation mode Is carried out, and a step S5 is carried out; Step S5, obtaining the area of the ith monitoring area And soil volume weight By the formula Calculation of ; S6, adjusting the nozzle to aim at the ith area by the execution module, and spraying and irrigating the ith area Water flow.

Description

Intelligent energy-saving irrigation management system and method based on environment monitoring Technical Field The invention relates to the technical field of irrigation, in particular to an intelligent energy-saving irrigation management system and method based on environment monitoring. Background The traditional irrigation mode has the problems of serious water resource waste, low irrigation efficiency and the like. Therefore, the intelligent irrigation management system capable of intelligently adjusting the irrigation quantity is developed, and has important significance for realizing water-saving agriculture and improving crop yield. The existing intelligent energy-saving irrigation management system is used for intelligently setting the daily irrigation amount to irrigate regularly according to the growth state of crops in farmlands, but the current farmland is widely planted, and the faced growth environments of all areas have certain differences, so that the water demand of all areas is also different, and the intelligent daily irrigation amount setting is used for irrigating regularly to possibly cause unbalanced growth of the crops in farmlands. Disclosure of Invention The invention aims to provide an intelligent energy-saving irrigation management system and method based on environment monitoring, which solve the technical problems. The intelligent energy-saving irrigation management system based on environment monitoring is characterized by comprising an environment monitoring module, a data processing module, a crop growth monitoring module, an intelligent control module and an execution module; The environment monitoring module monitors soil humidity, temperature and illumination intensity environment parameters in real time through various sensors arranged in the farmland, and sensor data are sent to the data processing module in a wireless transmission mode; The data processing module is used for receiving the environmental parameter data sent by the environmental monitoring module, processing and analyzing the data, and simultaneously, the data processing module is also provided with a historical data query function for acquiring environmental parameter historical data; The crop growth monitoring module is used for monitoring the real-time state of crop growth and acquiring the current-stage water demand of the crops according to the real-time state of crop growth; The intelligent control module is used for generating an irrigation decision according to the analysis result of the data processing module and the current water demand of crops, controlling the execution module to perform irrigation operation, and realizing precise irrigation by adjusting the flow of the water pump and the spraying range of the spray head; The execution module, actuating mechanism include water pump, valve and shower nozzle, and the water pump is responsible for carrying the water in the water source to the farmland in, and the valve is used for controlling the flow size of rivers, and the shower nozzle then sprays the target area with rivers according to the irrigation demand. As a further description of the solution of the present invention, the working process of the environmental monitoring module includes: dividing a farmland into n monitoring areas, and respectively setting corresponding sensors for monitoring soil humidity, temperature and illumination intensity data of the current area in each area; The working process of the crop growth monitoring module comprises the following steps: And acquiring crop images in the farmland based on the unmanned aerial vehicle, extracting characteristic image data of crops through an image processing and analyzing algorithm, inputting the characteristic image data of the crops into a trained neural network model, and outputting to obtain daily water demand of the crops. As a further description of the scheme of the invention, the process for obtaining the daily water demand of the crops comprises the following steps: Selecting remote sensing image data pictures of each growth stage of crops from a database, dividing and combining the remote sensing image data pictures, performing multi-person cross checking on the combined remote sensing image data, reducing the error rate of visual interpretation, and then forming a data set; dividing the data set into a training set, a verification set and a test set, wherein the dividing standard is that the ratio of the training set to the verification set to the test set is 8:1:1; Training the neural network through the data set, and calculating to obtain the current growth stage of the crops according to the trained neural network; and obtaining the daily water demand of the crops according to the current growth stage of the crops. As a further description of the solution of the present invention, the working process of the data processing module includes: acquiring time-varying data of soil humidity, time-varying data of te