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On-line crop water stress irrigation decision monitoring system

A monitoring system and crop technology, applied in the field of monitoring systems, can solve the problems of real-time monitoring and automatic data collection, few canopy temperature continuous observation and research, and difficult to achieve synchronous continuity of data, so as to achieve reasonable software interface Ease of use, simple and reasonable structure, and reduced maintenance difficulty

Inactive Publication Date: 2008-04-30
CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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AI Technical Summary

Problems solved by technology

However, in the actual application and monitoring methods of field irrigation, the canopy temperature difference index has not been used for real-time irrigation decision-making and control in the field, because the real-time monitoring and automatic data collection of this index have not been solved.
In the past, handheld infrared temperature guns were used to observe crop canopy infrared temperature. Data errors and systematic errors
In addition, there are few continuous observations and studies of crop canopy temperature during the day and night

Method used

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  • On-line crop water stress irrigation decision monitoring system
  • On-line crop water stress irrigation decision monitoring system
  • On-line crop water stress irrigation decision monitoring system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0062] The specific operation steps and irrigation decision-making implementation method of this application example are as follows:

[0063] 1. Determine the reasonable number of observation sensors according to the actual situation in the field, erect sensor poles in the southeast of the field and install infrared temperature measurement, establish a hardware acquisition system, and use network cables to communicate with the central control computer for acquisition and control;

[0064] 2. Use the high-speed gimbal 6 elevation angle adjustment software to adjust and position the scanning angle of the infrared sensor in combination with the test requirements;

[0065] 3. Utilize the data processing device 1 to carry out real-time monitoring of data and download of historical data;

[0066] 4. Based on the monitored ambient temperature and the crop canopy temperature at different positions in the field, determine the value of the canopy air temperature difference, compare it w...

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Abstract

The invention relates to an on-line monitoring system for the decision-making of the cropcanopy temperature difference irrigation, and is characterized in that the invention consists of a data processing device, an infrared canopy temperature monitoring device and a lightning-proof device. The data processing device consists of a data collector, a data memory and a personal computer. The data collector is connected with the personal computer through an Ethernet switch. The infrared canopy temperature monitoring device consists of a set of high-speed tripod heads, inside which an infrared canopy temperature sensor is arranged. The high-speed tripod heads are dispersedly arranged in a crop field through an upright stanchion of the bracket, wherein, at least one upright stanchion of the bracket is arranged with an environment temperature sensor, and the high-speed tripod head and the infrared canopy temperature sensor are connected with the data processing device through an RS485 bus. The lightning-proof device consists of a power lightning-proof facility, a bus lightning-proof facility and a communication lightning-proof facility. The invention has a flexible operation, and can conduct a realtime monitoring to the variation law of the cropcanopy infrared temperature at any point in a small area through the sensors arranged at different areas in the field.

Description

technical field [0001] The invention relates to a monitoring system, in particular to an online decision-making monitoring system for crop canopy temperature difference irrigation. Background technique [0002] Under the dual constraints of water resource shortage and ecological environment, agricultural water use must be developed in a precise and accurate direction. Precision irrigation is a high-efficiency water system that considers the "timely" and "appropriate" crop irrigation. As the cutting-edge technology of modern water-saving agriculture, precision control irrigation technology needs to develop intelligent irrigation information collection devices and intelligent irrigation forecast and Decision support software. Field crop irrigation decision-making indicators generally include three categories: soil moisture, meteorological indicators and crop response. Because soil and soil moisture are the carriers for crop growth, the traditional method is to make irrigati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/04G05B19/418A01G25/16H02G13/00H02H9/04
Inventor 刘钰蔡甲冰李新翟松
Owner CHINA INST OF WATER RESOURCES & HYDROPOWER RES
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