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Method for testing droplet distribution consistency degree

A technology of uniform distribution and detection method, which is applied in the testing of machine/structural components, measuring devices, analyzing materials, etc., can solve the problems of difficulty in manual statistics, small sampling area, and can not fully reflect the uniformity of droplet distribution, and achieve automatic The effect of detection and efficient detection

Active Publication Date: 2008-07-23
CHINESE ACAD OF AGRI MECHANIZATION SCI
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Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a method for detecting the uniformity of droplet distribution. The present invention can comprehensively, accurately and efficiently detect the uniformity of droplet distribution, and overcome the problems of small sampling area, difficult manual statistics, and inability to measure the uniformity of droplet distribution in the prior art. Fully reflect the defects of droplet distribution uniformity

Method used

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  • Method for testing droplet distribution consistency degree
  • Method for testing droplet distribution consistency degree
  • Method for testing droplet distribution consistency degree

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Embodiment Construction

[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the following description is only used to explain the present invention, but not to limit the present invention.

[0048] figure 1 It is a flowchart of the detection method of the present invention, with reference to figure 1 , the detection method of the droplet distribution uniformity comprises the following steps:

[0049]Step S11, collecting the spray droplets of the sprayer with coated paper;

[0050] Step S12, using a digital image acquisition device (which can be a digital camera) to collect the image of the droplets collected on the coated paper;

[0051] Step S13, the digital image acquisition device transmits the droplet image information to a computer for image processing, and the transmission method here ca...

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Abstract

The invention discloses a detect method of droplet distribution uniformity, which can detect the droplet uniformity in the spray test of sprayer. The inventive method comprises a spray droplet collecting step for collecting the sprayed droplets of a sprayer, a droplet picture pick-up step for using a digit picture pick-up device to pick up the picture of the collected sprayed droplets, a computer droplet picture information obtaining-processing step that the digit picture pick-up device transmits the droplet picture information to the computer for image processing, and a droplet distribution uniformity information obtaining step for obtaining the droplet number and area information according to the result of the image processing to obtain the droplet distribution uniformity information.

Description

technical field [0001] The invention relates to an automatic detection technology, in particular to a detection method for the uniformity of droplet distribution when sprayed by a spray device. Background technique [0002] The uniformity of droplet distribution is one of the main indicators for evaluating spray quality. There are four main measurement methods (see the Machinery Industry Standard of the People's Republic of China JB / T9782-1999 General Test Methods for Plant Protection Machinery). The paper card method is to use 3×5cm 2 The spray liquid is prepared by adding 1% (by weight) black dye to clear water, and the paper card is horizontally clamped on a support with a height of 0.15-1m. The interval (not more than 0.5m) or continuous arrangement, spraying time 2-3s, after spraying, use a magnifying glass to manually observe and count on the paper card, within 3cm 2 Count the total number of droplets on the area, or measure the dye content on it with a spectrophotom...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M19/00G01N13/00G01N21/84G01M99/00
Inventor 张小超毛文华胡小安
Owner CHINESE ACAD OF AGRI MECHANIZATION SCI
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