Grape deterioration monitoring instrument based on LMSE

Abstract

The invention relates to a grape deterioration monitoring instrument based on LMSE, wherein the grape deterioration monitoring instrument is a low-cost and small-size grape deterioration monitoring instrument, and can real-timely and quantitatively measure the CO2 content and the ethanol content in volatile substances of grapes. The grape deterioration monitoring instrument based on LMSE comprises a gas sensor constant voltage circuit, a current-voltage conversion, a microcontroller, a power supply circuit and an interface and alarm unit, and the structure is characterized in that the gas sensor constant voltage circuit is provided with an ethanol gas sensor constant voltage circuit and a CO2 sensor module, the CO2 sensor module and an ethanol sensor conditioning circuit are connected to the input terminal of the microcontroller, the current-voltage conversion is arranged inside the microcontroller, the output terminal of the microcontroller is connected to the interface and alarm unit, the interface and alarm unit comprises RS232, a liquid crystal display module and a sound and light alarm module, and the power supply circuit comprises a battery pack and a 3.3 V automatic voltage booster circuit.

Description

technical field [0001] The invention belongs to an anticorrosion detection device in the process of grape transportation and storage, in particular to an LMSE-based grape deterioration monitoring instrument. Background technique [0002] At present, there have been many successful applications of smell in predicting the disease and decay of agricultural products. For example, Li Changying used an array of gas sensors to analyze the lesions of onions. Zou Xiaobo and Zhao Jiewen developed an electronic nose device that can quickly detect whether the grain is moldy. The device can quickly and accurately analyze the smell emitted by the measured grain and determine whether the measured grain is moldy. The accuracy rate of the electronic nose for the discrimination of wheat, rice and corn is greater than 80%. However, the size and power consumption of sensor arrays and analysis systems are relatively large, which are not suitable for direct use in real-time monitoring and multi...

AI Technical Summary

Problems solved by technology

[0004] Grape is a kind of fruit that is loved by people, but grapes are soft and juicy, have strong physiological activities after harvest, and are easily infected by pathogens and rot. Fresh grapes are often seriously lost during transportation and storage.

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