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Raw wine grade evaluation method and online wine picking and raw wine grade evaluation device

A technology for grade evaluation and raw wine, applied in the direction of measuring devices, instruments, characters and pattern recognition, etc., can solve the problems of lack of detection of trace substances and low accuracy of wine grade evaluation

Pending Publication Date: 2021-05-07
HEBEI UNIV OF TECH
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  • Claims
  • Application Information

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Problems solved by technology

The device mainly detects the alcohol content, but lacks the detection of trace substances, so the accuracy of the grade evaluation of wine is low

Method used

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  • Raw wine grade evaluation method and online wine picking and raw wine grade evaluation device

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Embodiment Construction

[0039] The technical solutions of the present invention will be further described below in conjunction with specific drawings and embodiments, which are not intended to limit the protection scope of the present application.

[0040] The invention provides a method for evaluating the grade of raw wine (method for short, see figure 1 ), including the following steps:

[0041]Step 1. Determine the grade of the wine sample by wine evaluation experts, and use it as the grade label of the original wine;

[0042] Take a number of samples of the same amount from the original wine with a gradient of 5% alcohol, and then divide each sample into two evenly to obtain two groups of identical wine samples; the original wine is the middle wine with the head and tail removed, such as Hengshui The alcohol content of Laobaigan's original wine is 48% to 78%. Take a group of wine samples and invite 10 wine evaluation experts to make subjective evaluations by observing the color, smelling the sme...

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Abstract

The invention relates to a raw wine grade evaluation method and an online wine picking and raw wine grade evaluation device, and the method comprises the steps: 1, inviting a wine evaluation expert to carry out grade evaluation on a wine sample, and obtaining a grade label of raw wine; 2, detecting the alcoholic strength and the content of trace substances of each sample in the wine sample by using a gas chromatograph, and obtaining the value range and the alcoholic strength range of the trace substances contained in the raw wine of each grade; 3, building a raw wine grade evaluation model by using a support vector machine; and step 4, training and optimizing the raw wine grade evaluation model. The device comprises a retort, a condensation tank, a foreshot flow wine tank, a trace substance detection module, a gas pressure sensor, a first density sensor, a liquid phase temperature sensor, a second density sensor, a sub-packaging wine tank group and a plurality of grading flow wine tanks. According to the method, a raw wine grade evaluation standard is established, wine steaming can be scientifically and effectively guided, automation of wine picking is realized, and the inaccuracy of manual wine picking is overcome.

Description

technical field [0001] The invention belongs to the technical field of intelligent brewing, in particular to a raw wine grade evaluation method and an online wine picking and raw wine grade evaluation device. Background technique [0002] In the liquor preparation process, since the alcohol content and the content of various flavor substances in the liquor flowing at different stages are changing all the time, the size and density of the hops produced during the flow impact process are different. Observe the state of hops produced by the impact of the wine liquid with human eyes, intuitively judge the content of various trace substances in the wine liquid, and pick the wine. The grading of wine is not only determined by the alcohol content, but also mainly determined by the color, aroma and taste of the wine, which are related to the content of trace substances in the wine. The method of "looking at the flowers and picking wine" is greatly affected by human factors, the acc...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06F30/27G06K9/62G01D21/02
CPCG06Q10/06393G06F30/27G01D21/02G06F18/2411G06F18/2451
Inventor 张建华李祥利富大伟韩伟涛李辉
Owner HEBEI UNIV OF TECH
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