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Embedded volt-ampere electronic tongue detection system and method

An embedded system and detection system technology, applied in the direction of material electrochemical variables, etc., can solve the problems of large volume and inflexible use of the electronic tongue, and achieve the effects of low hardware dependence, improved flexibility, and high degree of solidification of software

Inactive Publication Date: 2017-09-01
CHINA AGRI UNIV
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AI Technical Summary

Problems solved by technology

[0004] In order to overcome the shortcomings of the electronic tongue, which is large in size and inflexible in use

Method used

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  • Embedded volt-ampere electronic tongue detection system and method

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Embodiment Construction

[0029] The invention utilizes the sensor array to respond to the liquid sample and convert it into a voltage signal, and through the signal amplification, filtering and analog-to-digital conversion of the interface circuit, the digital signal is transmitted to the embedded system, and the data acquisition and data preprocessing are performed in the embedded system , feature extraction, serial communication and pattern recognition. And the recognition result is fed back to the user through the touch screen display. attached figure 1 The structure of the embedded voltammetry electronic tongue detection system of the present invention is shown, and the present invention will be described in detail below.

[0030] During the spoilage process of meat products, alkaline nitrogen-containing substances will be produced, and the concentration will increase with the increase of corruption. Metal sensors can sense these substances very well, especially after using graphene-modified glas...

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Abstract

The invention discloses an embedded volt-ampere electronic tongue detection system which comprises an acquisition container, an interface circuit, an embedded system and a power supply device. The acquisition container is used for the placement and the acquisition of a liquid sample, a sensor is connected with the interface circuit, and the interface circuit comprises a three-electrode system circuit, a pulse generation circuit, a signal amplification circuit and a temperature measuring circuit. The interface circuit is connected with the embedded system, and the embedded system consists of an A / D converter, an ARM10E microprocessor and peripheral equipment. The power supply device is connected with all units and supplies power for all the units. A digital signal acquired by the system is analyzed and identified in the embedded system, and results are displayed. Data can be transmitted to a PC in a wired or wireless manner for more complicated treatment. The embedded volt-ampere electronic tongue detection system is not limited by places during use and is flexible and light; the sample does not need any pretreatment; the suitable detection range is wide, the application prospect is wide, and the market competitiveness is stronger.

Description

technical field [0001] The invention relates to a volt-ampere type electronic tongue detection system and method, in particular to an embedded electronic tongue detection system and method. Background technique [0002] During the spoilage process of food, alkaline nitrogen-containing substances will be produced, and the concentration will become higher and higher as the degree of spoilage increases. Metal sensors have higher sensitivity to alkaline nitrogen-containing substances. [0003] The electronic tongue is a new technology for rapid detection of taste quality. It is a new type of instrument that uses a selective, non-specific, cross-sensitive multi-sensor array to simulate human taste to analyze and detect various properties of liquid samples. It can sense human taste. The taste substance can be felt by means of the method, the sample can be quantified, and the content of some components can be measured at the same time, which has high sensitivity, reliability and re...

Claims

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Application Information

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IPC IPC(8): G01N27/48
CPCG01N27/48
Inventor 杨璐许姗姗郑丽敏田立军
Owner CHINA AGRI UNIV
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