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Single grain rapeseed quality near infrared spectrum on-line nondestructive testing method and device

A near-infrared spectroscopy, non-destructive testing technology, applied in electrical program control, comprehensive factory control and other directions, can solve the problems of complex and time-consuming process, large labor, high cost, improve testing efficiency, reduce workload, and maximize production economic effect

Inactive Publication Date: 2013-12-04
HUAZHONG AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This type of detection method is complex, time-consuming, labor-intensive, and costly, and most of them are destructive detection, which is not suitable for the quality control of rapeseed in actual production.

Method used

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  • Single grain rapeseed quality near infrared spectrum on-line nondestructive testing method and device
  • Single grain rapeseed quality near infrared spectrum on-line nondestructive testing method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Example 1 Assembly Example

[0022] Depend on Figure 1 to Figure 2 The applicant assembled and designed a special device for near-infrared spectroscopy on-line non-destructive testing of single-grain rapeseed quality. The incident optical fiber 5, the light source 6, the motor 7, the negative pressure pipeline 8, the positive pressure pipeline 9, the positive and negative pressure fans 10 and the computer 11, the positive and negative pressure fans 10 pass through the negative pressure pipeline 8 and the positive pressure pipeline 9 and the single particle The sampling device 3 is connected, the motor 7 is connected with the single particle sampling device 3 through the sampler shaft 16, the incident optical fiber 5 transmits the light source 6 to the single particle sampling device 3, and the spectrum acquisition control photoelectric sensor 2 is fixed on the single particle sampling device 3, After the sample is detected, a signal is sent to the near-infrared spectr...

Embodiment 2

[0024] Example 2 Application of the present invention in identifying imperfect rapeseed

[0025] The specific design of the present invention is described with reference to the "Summary of the Invention" and "Description of Drawings". Embodiments are further described.

[0026] Depend on Figure 1 to Figure 2 Shown: When testing single rapeseed imperfect kernels, representative imperfect kernels (including moldy, immature, and heat-damaged kernels) and normal kernels were selected to form a modeling sample set. The sample grains used for modeling are put into the sampler sample chamber 21 on one side of the sampling disc 18, and fall into the lower part of the sampler sample chamber. The sampler air chamber 12 on the other side of the sampling disc 18 has a negative pressure. The part of the air hole 13 is communicated with the negative pressure pipeline 8, and a negative pressure area is formed under the action of the positive and negative pressure fan 10, and a negative pr...

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Abstract

The invention belongs to the field of agricultural detection equipment and detection technology and discloses a single grain rapeseed quality near infrared spectrum on-line nondestructive testing method and a single grain rapeseed quality near infrared spectrum on-line nondestructive testing device. The single grain rapeseed quality near infrared spectrum on-line nondestructive testing device comprises a spectrum signal acquisition optical fiber, a spectrum acquisition controlling photoelectric sensor, a single grain sampling device, a near infrared spectrometer, an incidence optical fiber, a light source, a motor, a negative pressure pipeline, a positive pressure pipeline, a positive pressure fan and a computer. The single grain rapeseed quality near infrared spectrum on-line nondestructive testing method comprises the following steps that: according to rapeseed quality indexes required to be tested, spectral information of a single grain rapeseed sample is acquired in an online manner, and physical / chemistry tests are performed on qualities to be tested of single grain rapeseeds, and a single grain rapeseed quality detection model of spectral information is constructed; in online detection, the spectral information of the single grain rapeseed sample to be tested is automatically acquired, and the single grain rapeseed quality detection model is utilized to perform real-time online nondestructive testing on the indexes to be tested of the sample to be tested. According to the single grain rapeseed quality near infrared spectrum on-line nondestructive testing method and the single grain rapeseed quality near infrared spectrum on-line nondestructive testing device provided by the invention, through using the optical properties of rapeseeds, and based on the combination of a pneumatic-type automated single grain sampling method, automated online detection of single grain rapeseed qualities can be realized.

Description

technical field [0001] The invention belongs to the field of agricultural detection equipment and detection methods, in particular to a method for on-line detection of grain quality of grain and oil crops and a special device thereof, and is related to the field of near-infrared spectroscopy nondestructive detection. Background technique [0002] my country is one of the major rapeseed producing countries in the world. From 2001 to 2010, the average planting area was about 6.9 million hectares, and the total output of rapeseed was about 12 million tons, accounting for about 30% of the world total. Rapeseed contains erucic acid, linolenic acid, oleic acid, linoleic acid, protein, glucosinolate and other components. It is the main source of edible vegetable oil and vegetable protein meal for feed in China; it is also an important source of biodiesel, industrial and medical oils and fats. source. [0003] Different varieties of rapeseed have great differences in the content of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
Inventor 廖宜涛廖庆喜刘洁丁幼春
Owner HUAZHONG AGRI UNIV
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