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A kind of Sudan red detection device and method based on ultraviolet curing

A technology of detection device and detection method, which is applied in measurement device, image detector method and image signal processing, material analysis by optical means, etc., can solve the problems of complex instrument structure, cumbersome detection process and strong professionalism. , to achieve the effect of simple detection process and simple instrument structure

Inactive Publication Date: 2018-01-19
赵国有 +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These methods or instruments are complex in structure, or the detection process is cumbersome, or they are highly specialized

Method used

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  • A kind of Sudan red detection device and method based on ultraviolet curing
  • A kind of Sudan red detection device and method based on ultraviolet curing
  • A kind of Sudan red detection device and method based on ultraviolet curing

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specific Embodiment 1

[0026] This embodiment is an embodiment of a Sudan Red detection device based on ultraviolet curing.

[0027] The Sudan red detection device based on ultraviolet curing of this embodiment, the structural diagram is as follows figure 1 shown. The device includes an illumination light path and an imaging light path;

[0028] The illumination light path as described figure 2 As shown, it includes: an area array LED array 1 in the ultraviolet band, an imaging lens 2, a dichroic prism 3, a diaphragm 4 and an objective lens 5; the light beam emitted from the area array LED array 1 passes through the imaging lens 2, the dichroic prism 3, and the objective lens in sequence After 5, parallel irradiation onto the surface of the food to be tested and the UV glue mixture 6;

[0029] The imaging optical path is as image 3 As shown, it includes: food to be tested and UV glue mixture 6, objective lens 5, diaphragm 4, beam splitting prism 3, tube mirror 7, pinhole array 8 and area array...

specific Embodiment 2

[0032] This embodiment is an embodiment of a method for detecting Sudan Red based on ultraviolet curing.

[0033] The Sudan red detection method based on ultraviolet curing of the present embodiment is realized on the Sudan red detection device based on ultraviolet curing of specific embodiment one, and the method comprises the following steps:

[0034] Step a, mixing the food to be tested and the UV glue at 45-65 degrees Celsius to obtain a mixture 6 of the food to be tested and the UV glue;

[0035] Step b, placing the food to be tested and the UV glue mixture 6 on the front focal plane of the objective lens 5;

[0036] Step c, turn on each LED in the area array LED array 1 in turn, so that the surface information of the food to be tested and the UV glue mixture 6 is received by the area array image sensor 9 to obtain an image with the same number of LEDs;

[0037] Step d, extract the gray value of the pixel with the same coordinates in the image obtained in step c, and cal...

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Abstract

The invention belongs to the technical field of food detection, and particularly relates to a Sudan red detection device and method based on ultraviolet curing. A lighting optical path of the device comprises a planar array LED array in an ultraviolet waveband, an imaging lens, a beam splitter prism, a diaphragm and an object lens, and an imaging optical path comprises a to-be-detected food and UV adhesive mixture, an object lens, a diaphragm, a beam spliter prism, a tubular lens, a pinhole array and a planar array image sensor. The method includes: obtaining the to-be-detected food and UV adhesive mixture; sequentially turning on each LED in the planar array LED array to obtain multiple images; calculating C; drawing a conclusion whether Sudan red is contained or not. It is found that an optical anistotropic crystal structure is formed after Sudan red is combined with a UV adhesive, and the crystal may have obviously different light reflection characteristics under ultraviolet illumination from different angles; based on the above characteristics, the Sudan red detection device and method based on ultraviolet curing is disclosed. The device is simple in structure, and the detection process is simple, so that common people can perform detection.

Description

technical field [0001] The invention belongs to the technical field of food detection, and in particular relates to a detection device and method for Sudan red based on ultraviolet curing. Background technique [0002] Sudan red is a chemical dyeing agent, mainly used for dyeing oil paint, machine oil, wax and shoe polish and other products. Some unscrupulous traders add Sudan Red to food, such as chili powder, chili oil, red bean curd, red heart poultry eggs, etc., to make the food brighter and increase sales. However, Sudan Red is not a food additive. The chemical composition of Sudan Red contains a compound called naphthalene, which has an azo structure. The nature of this chemical structure determines that it is carcinogenic and has obvious effects on the liver and kidney organs of the human body. toxic effects. [0003] It can be seen that in order to prevent Sudan Red from harming the human body, it is necessary to detect Sudan Red in food. [0004] Traditional dete...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/17
CPCG01N21/17G01N2021/1765
Inventor 赵国有刘明华李菡石学香
Owner 赵国有
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