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Nondestructive detecting and screening method based on near-infrared for crop single-grain components

A screening method and non-destructive testing technology, applied in sorting, color/spectral characteristic measurement, etc., can solve problems such as high-throughput non-destructive single-grain detection and sorting methods that have not been reported yet, achieve intuitive variety identification and improve resolution efficiency, time-saving effect

Active Publication Date: 2011-09-14
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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Problems solved by technology

[0009] However, so far, there has been no report of a high-throughput non-destructive single-grain detection and sorting method that combines near-infrared detection of chemical composition of crop grains with automatic continuous sorting.

Method used

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  • Nondestructive detecting and screening method based on near-infrared for crop single-grain components
  • Nondestructive detecting and screening method based on near-infrared for crop single-grain components
  • Nondestructive detecting and screening method based on near-infrared for crop single-grain components

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Embodiment Construction

[0038] First, the peripherals are powered on, the computer is controlled to start up, the system control unit is started, and the near-infrared nondestructive testing system, the transport unit and the sorting unit are initialized. After the initialization is completed, the seed delivery unit of the system arranges the seeds to be detected on the conveyor belt neatly, and the conveyor belt moves the first seed to the near-infrared detection unit to obtain its corresponding near-infrared spectrum. Then compare the map with the standard model library established in the early stage to judge whether it meets the requirements. After that, the conveyor belt continues to move forward, passing the next seed to the near-infrared detection unit, while the already detected seeds are sent to the sorting unit. If the requirements are not met, the seeds will be blown into a receiving container A by the high-speed airflow ejected by a special high-speed micro spray valve, otherwise, the seed...

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Abstract

The invention relates to a nondestructive detecting and screening method based on near-infrared for crop single-grain components, and the method comprises the following steps: acquiring a database for single-grain components of different materials, by utilizing a known ration detection process for the chemical components of crop single-grain; collecting near-infrared spectrum information of the known single-grain component materials; establishing a component identifying model corresponding to the single-grain component and the near-infrared spectrum information; and in the detection process, detecting the spectrum of a to-be-detected sample firstly, and then comparing with the identifying model and analyzing so as to acquire the component of the to-be-detected sample, and lastly automatically screening. The high-throughput nondestructive detection on chemical matters and chemical pollutants is realized on the basis of single-grain level, wherein the chemical matters contain starch, protein, fat, and the like. The method can be used for nondestructively selecting mutant and genetic segregation groups and detecting pollutants, thereby supplying a new method for ensuring the safety of crop heredity breading and the safety of agricultural products.

Description

technical field [0001] The invention relates to the technical field of non-destructive detection of crops, in particular to a method for non-destructive detection and screening of single grain components of crops based on near infrared. technical background [0002] Nondestructive Determination Technologies (NDT for short) is an emerging comprehensive application discipline, which utilizes the heat, sound, and light caused by the abnormal internal structure of the sample or the existence of defects on the premise of not destroying or damaging the object to be tested. , electric, magnetic and other changes to detect its internal and surface defects, and make judgments and evaluations on the type, nature, quantity, shape, position, size, distribution and changes of defects. According to the different non-destructive testing principles, the testing methods can be roughly divided into optical characteristic analysis method, acoustic characteristic analysis method, machine vision...

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Application Information

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IPC IPC(8): B07C5/34G01N21/27
Inventor 吴跃进卞坡张瑛陈连运刘斌美黄青余立祥宋乐黄世霞
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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