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Method for identifying components

A near-infrared light and series technology, which is applied in the detection of medicines, liquid products, food, agriculture, and biology. It can solve the problems of high cost, expensive detection components, and difficult promotion and use of the technology, and achieve the effect of low cost.

Inactive Publication Date: 2021-03-19
DALIAN MEGA CRYSTAL BIOLOGICAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The existing technology includes the use of near-infrared spectrum detection technology to detect food ingredients, mainly using dual integrated halogen lamps as light sources, using 1mm InGaAs DLP (digital light processing, this technology first digitally processes the image signal, and then projects the light out) chip on DMD (digital micromirror chip) as a detection component, but this detection component is relatively expensive, resulting in too high a cost
There is also the use of infrared LEDs as light sources and multiple image sensor filters as detection components, but the current detection band is not wide enough, resulting in limited detection products, and the price is still not cheap enough
As a result, the technology is not easy to promote and use

Method used

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Examples

Experimental program
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Effect test

Embodiment 2

[0051] In one embodiment, the step S100 COB annular LED near-infrared light source 101 can also be:

[0052]Using InGaAs series infrared LEDs as near-infrared light sources, infrared LEDs of different wavelengths can be used as light sources by controlling the composition and proportion of phosphor powder, so that the luminous wavelength is between 700-2500nm. For example: LED+Ca(1-x)ZnOS:xNd3 fluorescent powder of InGaAs series; other steps and parameters are the same as in Embodiment 1.

Embodiment 3

[0054] In one embodiment, the step S100 COB annular LED near-infrared light source 101 can also be:

[0055] Using InGaAs series infrared LEDs as near-infrared light sources, infrared LEDs of different wavelengths can be used as light sources by controlling the composition and proportion of quantum dots, so that the luminous wavelength is between 700-2500nm. For example: LED+PbS quantum dots of InGaAs series; other steps and parameters are the same as in Embodiment 1.

Embodiment 4

[0057] In one embodiment, the step S100 COB annular LED near-infrared light source 101 can also be:

[0058] InGaN series LEDs are used as near-infrared light sources, and near-infrared light LEDs of different wavelength bands are used as light sources by controlling the composition and proportion of phosphor powder, so that the emission wavelength is between 700-2500nm. InGaN series LED+NaAl5O8:Ce3+x, Fe3+y, Er3+z phosphors; other steps and parameters are the same as in Embodiment 1.

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Abstract

The invention belongs to the field of food, agriculture, biology, medicine and liquid product detection and discloses a method for identifying components. According to the method, near-infrared LEDs with different wavelengths are used as identification components; a light source of an invisible near-infrared light band is used for irradiating a sample, and components of an article are calculated through data transmitted to a cloud comparison database by a mobile phone according to analysis data information of transmittance and diffuse reflectance spectra of the sample. Therefore, the freshnessof vegetables, fruits and meat, the calories of foods, the protein content and the authenticity of medicinal liquor can be confirmed, and the identification method can be widely applied to various foods, medicines and products with health detection related requirements; and the method is convenient for customers to use and identify and has practicability and generalization.

Description

technical field [0001] The invention belongs to the detection fields of food, agriculture, biology, medicine and liquid products, and relates to a method for identifying components. Background technique [0002] At present, due to the improvement of living standards, people pay more attention to food safety and physical health. Information including the freshness of fruits and vegetables, the calories of food, protein content, and the authenticity of drugs and alcohol has become particularly important. [0003] The existing technology includes the use of near-infrared spectrum detection technology to detect food ingredients, mainly using dual integrated halogen lamps as light sources, using 1mm InGaAs DLP (digital light processing, this technology first digitally processes the image signal, and then projects the light Come out) chip on DMD (digital micromirror chip) as a detection component, but this detection component is relatively expensive, resulting in too high a cost. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/359
CPCG01N21/359G01N21/31G01N2021/3129
Inventor 丁逸圣陈育宗陈柏松
Owner DALIAN MEGA CRYSTAL BIOLOGICAL TECH CO LTD
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