Bottle-contained yellow wine quality index on-line detection method and device

A rice wine and index technology, which is applied in measuring devices, color/spectral characteristic measurement, material analysis through optical means, etc., can solve the problems such as the lack of reports on the online detection method of rice wine quality, and achieve the reduction of detection time and cost, and guarantee Product quality, the effect of rapid analysis

Inactive Publication Date: 2008-07-09
ZHEJIANG UNIV
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Problems solved by technology

[0007] At present, there is no report on the online detection method and devic

Method used

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  • Bottle-contained yellow wine quality index on-line detection method and device
  • Bottle-contained yellow wine quality index on-line detection method and device
  • Bottle-contained yellow wine quality index on-line detection method and device

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with drawings and embodiments.

[0032] As shown in Figures 2 and 3, the present invention includes an illumination system 1, an air conditioning device 2, a transmission belt 3, a receiving lens fixing device 4, a receiving lens 5, an optical fiber 6, a spectrometer 7, a computer 8, a trigger circuit 9 and a photoelectric switch 10. The air conditioning equipment 2 is fixed at the center of the top of the lighting system 1, the transmission belt 3 passes through the middle part of the bottom of the lighting system 1, the receiving lens fixing device 4 is fixed under the transmission belt 3, and the receiving lens 5 is fastened on the receiving lens In the fixture 4; one end of the optical fiber 6 is connected to the receiving lens 5, and the other end is connected to the spectrometer 7, and the spectrometer 7 is connected to the computer 8 through a USB line; sides.

[0033] As shown in Figures 2 and...

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Abstract

The invention discloses a method and a device for online detecting quality index of yellow rice wine in bottle. The online detection device comprises an illumination system, an air conditioning system, a conveying belt, a receiving lens fixing device, a receiving lens, an optical fiber, a spectrometer, a computer, a trigger circuit and a photoelectric switch. The method comprises the following steps of: collecting the near IR spectrum of an empty bottle of a yellow rice wine sample in the bottle as the background spectrum; reducing the background spectrum from the spectrum of an original yellow rice wine sample in bottle as the sample spectrum; constructing the correction model of the key quality index of yellow wine according to the spectra and a physical and chemical analysis result by adopting partial least-squares regression method; and online detecting the quality of the yellow rice wine according to corresponding model. Based on near IR spectral analysis technology, the invention can achieve online detection of the key quality indexes of the yellow rice wine sample, including total sugar, solids, alcohol degree, total acid, amino acid nitrogen as well as pH value, thus achieving online and rapid quality analysis of yellow rice wine product, reduced detection time and cost and ensured product quality.

Description

technical field [0001] The invention relates to a device for testing or analyzing materials based on visible / near-infrared spectroscopy, in particular to a method and device for online detection of quality indicators of bottled rice wine. Background technique [0002] Rice wine is an important national characteristic product in my country and a treasure of Sinochem's national industry. For a long time, the production of rice wine industry has been mainly carried out based on the traditional model, and its quality inspection mainly adopts manual sampling analysis method, which is carried out through off-line analysis methods such as regular sampling, sensory evaluation and physical and chemical analysis. The physical and chemical indicators and testing methods specified in GB / T 13662-2000 "Yellow Rice Wine" are shown in Table 1. [0003] Table 1 The physical and chemical analysis methods of the main quality indicators of yellow rice wine [0004] Detection Indicato...

Claims

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Application Information

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IPC IPC(8): G01N21/25G01N21/01
Inventor 应义斌于海燕徐惠荣饶秀勤
Owner ZHEJIANG UNIV
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