Telemetry system and method of pesticide mist distribution and drift trend in aerial pesticide application

A telemetry system and trend technology, which is applied in the field of telemetry system for the distribution and drift trend of drug mist in aerial spraying, can solve the problems of producing toxic substances and greenhouse gases, polluting water quality, healthy vegetation and forests, and uneven spraying dose, and improving the application rate. effect of benefit

Active Publication Date: 2012-01-11
BEIJING RES CENT FOR INFORMATION TECH & AGRI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Drift seriously affects the effect of pesticide application and the natural environment: (1) If a uniform circuit spraying method is used, it may cause unevenness of the spraying amount, some areas are not treated with medicine, and some areas are overdosed
To a certain extent, it has caused the waste of pesticides and the incomplete application effect
(2) Most pesticides are toxic, or produce toxic substances and greenhouse gases after degradation
When the gasified mist clouds invisible to the human eye drift outside the spraying area, it will pollute water quality, healthy vegetation, forests, generate greenhouse gases, and cause immeasurable impact on the environment
(3) The drug mist will drift to residential areas under unknown circumstances, causing harm to the health of residents
[0006] (1) Only the drug receiving level of a certain area on the ground can be obtained, which cannot fully reflect the drift of the drug mist in the air;
[0007] (2) poor effectiveness;
[0008] (3) The concentration and composition of dense fog cannot be obtained;
[0009] (4) Unable to detect tiny fog droplets that are always suspended in the air
[0011] (1) Only the collected gas can be analyzed, and the distribution of the drug mist cannot be fully reflected;
[0012] (2) Real-time and continuous monitoring cannot be carried out;
[0013] (3) The sampling and pre-processing process is complicated, time-consuming and laborious;
[0014] (4) It is difficult to complete sampling analysis of high-altitude pesticide mist

Method used

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  • Telemetry system and method of pesticide mist distribution and drift trend in aerial pesticide application
  • Telemetry system and method of pesticide mist distribution and drift trend in aerial pesticide application
  • Telemetry system and method of pesticide mist distribution and drift trend in aerial pesticide application

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Embodiment 1

[0062] In this embodiment, the detection distance is 500m, the pesticide spraying area is 300m*300m, and the pesticide type is methamidophos pesticide.

[0063] According to the method of the present invention, the implementation method of this embodiment is as follows:

[0064] A1. Set up a collection module (camera) and an optical module at a distance of 500m from the spray area. The optical module has a built-in Michelson interferometer and a focal plane infrared detector;

[0065] A2. Adjust the lens to set the imaging range to the range required by this embodiment. In the embodiment, by adjusting the focal length of the lens, the angle of view should be adjusted to 2×arctan(150 / 500)=33.4°.

[0066] A3. Before pesticide spraying, measure the infrared imaging spectrum of the background; during pesticide spraying, obtain the infrared imaging spectrum of the sprayed area in real time, and subtract the background spectrum from it to obtain the spectrum of the pesticide mist cloud clus...

Embodiment 2

[0070] In this embodiment, the detection distance is 1000m, the pesticide spraying area is 200m*200m, and the pesticide type is methamidophos pesticide.

[0071] According to the method of the present invention, the implementation method of this embodiment is as follows:

[0072] B1. Set up a collection module (optical telescope) and an optical module at a distance of 1000m from the spraying area. The optical module has a built-in Michelson interferometer and a focal plane infrared detector;

[0073] B2. Adjust the optical telescope to set its imaging range to the range required by this embodiment. In the embodiment, the angle of view should be adjusted to 2×arctan(100 / 1000)=11.4°.

[0074] B3. When pesticides are sprayed, the infrared imaging spectrum of the spray area is obtained in real time, and the spectrum range is 8 μm to 14 μm.

[0075] B4. According to the spectral characteristics of methamidophos pesticide, 1258cm -1 And 1760cm -1 For the characteristic band, each point of th...

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Abstract

The invention discloses a telemetry system and a method of pesticide mist distribution and drift trend in aerial pesticide application, and relates to the technical field of harmful substance monitoring. The system comprises: an acquisition module which is used to acquire infrared light radiation in a detection area, and to allow the infrared light to enter into an optical module; an optical module which is used to obtain an infrared imaging spectrum of the detection area with distributed pesticide mist cloud cluster according to the incident infrared light radiation, and to send the infraredimaging spectrum to a treatment module; a treatment module which is used to perform characteristic analysis of the infrared imaging spectrum, to identify the pesticide mist cloud cluster, to retrievea concentration image of the pesticide mist cloud cluster, and to predict the pesticide mist drift trend according to the concentration image. The system and the method of the invention can comprehensively reflect the drift condition of the pesticide mist, has strong real-time performance, and can obtain the concentration and components of the pesticide mist. The invention facilitates the improvement of pesticide application benefits, not only is saving and economical, but also avoids the damage to environment and residential places.

Description

Technical field [0001] The invention relates to the technical field of hazardous substance monitoring, in particular to a system method for remotely measuring the distribution and drifting trend of pesticide mist in aerial pesticide application. Background technique [0002] Pesticide drift during aerial application is one of the important factors that pollute the environment. Pesticide drift refers to a physical movement in which pesticide droplets or particles migrate from the target area to the non-target area in the air under uncontrolled conditions during the application process or a period of time after the application. Pesticide drift includes evaporation drift and wind drift. drift. The former is caused by the volatility of the effective ingredients of pesticides, while the latter mainly refers to the process in which the fine droplets in the mist flow are carried out of the target area by the airflow and then disappear or settle again. The drift of droplets always inev...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/06G01N21/45
CPCB64D1/18G01N2021/1795G01N21/3504G01N21/35
Inventor 赵春江郑文刚董大明赵贤德申长军吴文彪闫华张石锐鲍锋
Owner BEIJING RES CENT FOR INFORMATION TECH & AGRI
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