Variable humidifying system for fruit and vegetable refreshing and conveying and realizing method thereof

Abstract

The invention discloses a variable humidifying system for fruit and vegetable refreshing conveying, which comprises an air supplying system, a water supplying system, a control system, a signal acquiring module and a spraying device, wherein the air supplying system, the water supplying system and the signal acquiring module are respectively connected with the control system; and the air supplying system and the water supplying system are respectively connected with the spraying device. The invention also discloses a realizing method of the variable humidifying system for fruit and vegetable refreshing conveying. An air piping electric control valve and a liquid piping proportional electromagnetic valve are controlled by adopting a fuzzy PID algorithm, and the leakage phenomenon easily occurring in the spraying device under the state of stopping humidifying can be effectively prevented by adopting a leakage preventing design. The invention has the advantages of high accuracy, blockage prevention, cleanness and environment protection, liquid level monitoring function, leakage prevention design, and the like.

Description

technical field [0001] The invention relates to the field of humidification for fresh-keeping transportation of fruits and vegetables, in particular to a humidification system for fresh-keeping transportation of fruits and vegetables with variable control and a realization method thereof. Background technique [0002] Humidity is one of the important parameters to maintain the freshness and commerciality of fruits. Most fruit and vegetable products require a high humidity storage environment. Dryness will promote respiration and cause physiological damage, so higher storage humidity is not only conducive to dormancy, but also inhibits its respiration rate. Traditional fresh-keeping transport vehicles mainly use the cooling method for low-temperature storage. During the cooling process, a large amount of water vapor condenses in the evaporation coil, resulting in a significant decrease in the relative humidity of the environment, resulting in quality degradation and dry cons...

AI Technical Summary

Problems solved by technology

In 2008, the total output of fruits and vegetables in my country was 97 million tons, and the total output of vegetables was 560 million tons. Problems such as quality degradation and dry consumption of fruits and vegetables during transportation directly lead to a large loss of agricultural products, affecting farmers' income increase, and making local characteristic and advantageous agriculture lack of market. Advantage

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