Refrigerator, ethylene removal device and operation control method of ethylene removal device

Abstract

The invention discloses a refrigerator, an ethylene removal device and an operation control method of the ethylene removal device. The refrigerator comprises a refrigerator body; a fruit and vegetable refrigerating chamber is arranged in the refrigerator body and used for storing fruits and vegetables; the ethylene removal device is arranged in the fruit and vegetable refrigerating chamber; the ethylene removal device comprises a semiconductor electro-catalysis electrode which is used for carrying out adsorption and catalytic degradation on ethylene gas in a power-on operation state; and a cathode of the semiconductor electro-catalysis electrode is a membrane electrode comprising semiconductor nano cuprous oxide, an anode of the semiconductor electro-catalysis electrode is a membrane electrode comprising semiconductor nano zinc cobaltate, the cathode and the anode are connected through a solid electrolyte membrane, and the cathode and the anode are respectively connected with a power supply end. By adopting the embodiment of the invention, the ethylene gas generated by fruits and vegetables can be quickly degraded, so that the ethylene gas in the fruit and vegetable chamber is always maintained at a lower concentration level, and the preparation raw materials are lower in cost and stable in property.

Description

technical field [0001] The invention relates to the technical field of refrigerators, in particular to a refrigerator, an ethylene removal device and an operation control method thereof. Background technique [0002] As a plant hormone, ethylene has an important relationship with the quality deterioration and preservation of fruits and vegetables. The decomposition of chlorophyll, the change of fruit color, the delamination of fruit stem and the decrease of fruit firmness are all related to ethylene. High concentration of ethylene strengthens the respiration of fruits and vegetables and accelerates the process of ripening and aging. Therefore, the concentration of ethylene gas should be strictly controlled in the preservation of fruits and vegetables to minimize the impact on fruits and vegetables. [0003] At present, there are many ways to remove ethylene gas, and the feasible methods carried on the refrigerator are mainly low-temperature catalytic decomposition method an...

AI Technical Summary

Problems solved by technology

[0004] However, the inventors have found that the prior art has at least the following problems: KMnO 4 Catalysts are easily affected by ambient temperature and humidity, cannot be recycled, and need to be prepared and used immediately, and are not easy to store. When used in refrigerators, users need to replace ethylene removal catalysts regularly, which does not meet user habits; in addition, due to KMnO 4 It is highly toxic, and if it leaks during use, it will cause serious food safety accidents; and in the high-humidity environment of the refrigerator, KMnO 4 It will dissolve into moist air and spread to the surface of food with the air, there is a certain risk

The ethylene removal reaction using a metal catalyst is slow and requires a certain reaction time, while noble metals with better activity and selectivity are expensive

In the ethylene removal reaction, the photocatalyst catalyst needs to be triggered by light, and the reaction conditions are relatively limited.

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