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Vomitoxin recognizing and sorting equipment and sorting method

A DON, sorting technology, applied in the direction of sorting, scattering characteristics measurement, etc., can solve the problems of unstable sorting results, unclear sorting characteristics of wheat DON, and achieve important practical significance, reduce DON, widely The effect of the application foreground

Active Publication Date: 2015-12-09
HEFEI MEIYA OPTOELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problems of unclear sorting characteristics and unstable sorting results in the existing wheat vomitoxin, the technical problem to be solved in this patent is to provide clear multiple pollution characteristics of wheat vomitoxin, and propose red light or infrared light and ultraviolet light Combining fluorescence methods to improve the recognition rate of vomitoxin contamination features, given the specific sorting device

Method used

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  • Vomitoxin recognizing and sorting equipment and sorting method
  • Vomitoxin recognizing and sorting equipment and sorting method

Examples

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no. 1 example

[0031] figure 1 It is a schematic diagram of the first embodiment of the on-line detection device for vomitoxin of the present invention. The vomitoxin detection and sorting device includes two front and rear lighting detection units based on different principles: a first identification device, a second identification device, a slideway 2 for materials, and a vibrating feeding device 1 .

[0032] The first identification device includes a first red light source 11 , a second red light source 12 , a first photodetection unit 21 , and a first background device 31 . The first red light source 11 , the second red light source 12 , the first photodetection unit 21 are located in front of the slideway 2 , and the first background device 31 is located behind the slideway 2 .

[0033]The second identification device includes a first ultraviolet light source 13 , a second ultraviolet light source 14 , a second photodetection unit 22 and a second background device 32 . The first ultr...

no. 2 example

[0049] The difference between this embodiment and the first embodiment is that the material conveying device is a material conveying crawler 5, and the second identification device and the first identifying device are located directly above the material conveying crawler 5 and above the material throwing track outside the material conveying crawler 5, respectively. And no background device is set in the second identification device.

[0050] The material 3 is first transported to the second identification device by the material conveying crawler belt 5, the first ultraviolet light source 13 and the second ultraviolet light source 14 excite the fluorescence on the surface of the material 3, and the fluorescence signal generated by the material 3 is detected by the second photoelectric detection unit 22 After receiving and converting into electrical signals, the processor identifies and rejects the particles polluted by other toxins according to the discrimination conditions. In ...

no. 3 example

[0056] The structure of the identification and sorting equipment in this embodiment can adopt the structure disclosed in the first embodiment or the second embodiment, the difference is that: the light source in the first identification device uses an infrared light source, therefore, the corresponding The detection device is an infrared detection device, and the detection method used in this embodiment is the same as that of the first embodiment and the second embodiment.

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Abstract

The invention discloses vomitoxin recognizing and sorting equipment which comprises a first recognizing device and a second recognizing device. The first recognizing device comprises multiple red light or infrared light sources and a first photoelectric detection unit, the red light or infrared light sources irradiate materials, and the first photoelectric detection unit receives reflected light signals of the materials and converts the reflected light signals into electric signals; the second recognizing device comprises multiple ultraviolet light sources and a second photoelectric detection unit, the ultraviolet light sources irradiate the materials, and the second photoelectric detection unit receives fluorescence signals generated by the materials and converts the fluorescence signals into electric signals; recognizing is performed through the first recognizing device or the second recognizing device, and if the bad materials are recognized by any one of the devices, the bad materials are removed. The invention further provides a sorting method. The vomitoxin recognizing and sorting equipment and the sorting method have the advantages that by combining two recognizing techniques to sort excessive vomitoxin particles out, and therefore vomitoxin in wheat can be effectively reduced; the vomitoxin recognizing and sorting equipment and the sorting method can be widely applied to the field of grain processing and have the important practical significance and the wide application prospect.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a device and a method for detecting vomitoxin in mildewed wheat. Background technique [0002] Vomiting toxin (DON) exists widely in the world and mainly contaminates cereal crops such as wheat, barley, and corn. It will cause death when it occurs. Studies have shown that DON also has an impact on the immune system, and has obvious embryotoxicity and certain teratogenic effects. At present, my country stipulates that the limit standard in grains is 1mg / kg. [0003] The chemical properties of DON are very stable, and generally will not be destroyed during processing, storage, and cooking. It has strong heat resistance. It is only slightly damaged when heated at 121°C for 25 minutes. It has no effect on acidic environment, and alkaline environment. Can be partially destroyed. [0004] At present, the main detection methods on the market are thin-layer chromatography, enz...

Claims

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Application Information

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IPC IPC(8): G01N21/55B07C5/342
Inventor 方杰戚丽
Owner HEFEI MEIYA OPTOELECTRONICS TECH
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