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Online detecting device for internal quality of orange type fruits based on visible-near infrared spectroscopy

A near-infrared spectroscopy and internal quality technology, applied in the field of agricultural product detection devices, can solve problems such as affecting the accuracy of experimental data, and achieve the effects of convenient adjustment, improved operation efficiency, and strong adaptability

Inactive Publication Date: 2015-07-15
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If the dark field and reference are collected manually, it cannot guarantee the I R , I D The value difference of is as small as possible, thus affecting the accuracy of experimental data

Method used

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  • Online detecting device for internal quality of orange type fruits based on visible-near infrared spectroscopy
  • Online detecting device for internal quality of orange type fruits based on visible-near infrared spectroscopy
  • Online detecting device for internal quality of orange type fruits based on visible-near infrared spectroscopy

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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0026] Such as figure 1 As shown, the present invention includes a conveying mechanism 2 for conveying fruits, a spectrum acquisition unit 1, an automatic dark field and a reference acquisition unit 4, a position sensing unit 5, a light box 6, a spectrometer 107 and an industrial computer 7; the light box 6 A slot is opened horizontally in the middle of the bottom, the conveying mechanism 2 passes through the bottom of the light box 6, fruit is placed on the conveying mechanism 2, the spectrum acquisition unit 1 is installed on both sides of the center of the bottom of the light box 6, and the position sensing unit 5 is installed in the light box 6 On both sides of the conveying entrance, the spectrum acquisition unit 1 and the position sensing unit 5 are installed on the left and right sides of the conveying mechanism 2; the top of the light b...

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Abstract

The invention discloses an online detecting device for internal quality of orange type fruits based on visible-near infrared spectroscopy. A through groove is horizontally formed in the middle of the bottom of an illumination box, a conveying mechanism penetrates through the bottom of the illumination box, spectrum collecting units are installed on both sides of the center of the bottom of the illumination box, position sensing units are installed on both sides of a conveying inlet of the illumination box, the spectrum collecting units and the position sensing units are installed on both sides of the conveying mechanism at the left and right; a longitudinal fixed rod is installed at the top of the illumination box downwards, an automatic dark field and reference collecting unit is connected to the bottom of the longitudinal fixed rod, and the spectrum collecting units and the position sensing units are connected with an industrial computer through a spectrograph. The online detecting device disclosed by the invention can be used for automatically collecting a dark field and a reference, the components are convenient to adjust, and meanwhile, energy loss can be reduced.

Description

technical field [0001] The invention relates to an agricultural product detection device, in particular to an online detection device for the internal quality (sugar content) of citrus fruits based on visible and near-infrared spectra. Background technique [0002] my country is a big citrus producing country. According to statistics from the International Citrus Society, my country's citrus planting area and output both ranked first in the world in 2007. Citrus is rich in potassium, B vitamins, vitamin C and antioxidant components, anti-cancer components, anti-allergic components, and also rich in flavonoids, polyphenols, carotenoids and other compounds, which have high nutritional value and dietary health effects. However, the internal quality of citrus is difficult to detect in large quantities. At present, destructive testing is usually carried out by sampling; there is also evaluation and grading based on appearance, but this grading method is not accurate. Rapid non-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/359G01N21/31
Inventor 傅霞萍汪小耀饶秀勤
Owner ZHEJIANG UNIV
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