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Litchi's soluble solid detector

A detection device and soluble technology, applied in the field of near-infrared spectroscopy, can solve the problems of non-destructive detection of litchi quality and other problems

Inactive Publication Date: 2014-12-17
TIANJIN MEISHI INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Many scholars at home and abroad have used near-infrared diffuse reflectance spectroscopy to evaluate the internal quality of apples, pears, tomatoes, strawberries, and peaches, and have obtained preliminary research results, but the non-destructive testing of litchi quality has not yet seen results.

Method used

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  • Litchi's soluble solid detector

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Embodiment Construction

[0011] Specific embodiments of the present invention are introduced below in conjunction with accompanying drawing:

[0012] Such as figure 1 As shown, the litchi soluble solids detection device includes a light source 1, a sample holder 2, an optical fiber 4, an integrating sphere 3, a near-infrared spectrometer 5 and a computer 6. The integrating sphere 3 can reduce the influence of uneven samples, and the sample holder 2 is set Above the integrating sphere 4, the light source 1 is above the sample holder 2 to irradiate the sample in a diffuse transmission mode. The integrating sphere 3 is connected to the near-infrared spectrometer 5 through the optical fiber 4. The near-infrared spectrometer 5 is connected to a computer 6, and the optical information passes through the near-infrared spectrometer. 5, the results are output by computer 6. The light source 1 is a tungsten-halogen lamp, and the number of the tungsten-halogen lamps is 2 to 6, preferably 4. The tungsten-halogen...

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Abstract

The invention provides a litchi's soluble solid detector which comprises a light source, a sample holder, optical fiber, an integrating sphere, a near-infrared spectrometer and a computer. The sample holder is arranged above the integrating sphere. The light source is disposed above the sample holder. The integrating sphere is connected with the near-infrared spectrometer through the optical fiber. The near-infrared spectrometer is connected with the computer. The invention has beneficial effects as follows: soluble solids of litchi can be detected losslessly through thick peel of litchi so as to evaluate quality of litchi.

Description

technical field [0001] The invention belongs to the technical field of near-infrared spectroscopy applications, and in particular relates to a detection device for litchi soluble solids. Background technique [0002] In recent years, with the development of computer technology and chemometrics, near-infrared spectroscopy has been more and more used in food, petrochemical, pharmaceutical and agricultural research fields, especially the non-destructive testing of agricultural products has become a hot topic in recent years. Research hotspots. Many scholars at home and abroad have used near-infrared diffuse reflectance spectroscopy to evaluate the internal quality of apples, pears, tomatoes, strawberries, and peaches, and have obtained preliminary research results. However, the nondestructive testing of litchi quality has not yet seen results. According to the regulations on fresh lychees in China's commercial industry standards, its soluble solids content is the main physical...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/88
Inventor 陈涛
Owner TIANJIN MEISHI INFORMATION TECH