Fresh-keeping refrigerator

Abstract

The invention discloses a fresh-keeping refrigerator, which is provided with a cooling space and a deaeration device; the deaeration device is arranged outside the cooling space of the refrigerator; a closed deaeration area is separated in the outer shell of the deaeration device by a solid oxide electrolyte plate; the deaeration area is connected correspondingly with the air inlet and the air outlet of the cooling space of the refrigerator through an air inlet pipe and an air outlet pipe; a conductive cathode is arranged beside the deaeration area of the electrolyte plate, while a conductive anode is arranged at the other side of the deaeration area; a heater for heating the solid oxide electrolyte plate is arranged inside the deaeration device; and an air pump is arranged on the pipe communicated between the deaeration device and the cooling space of the refrigerator. Only oxygen ions can pass the electrolyte plate when the electrolyte plate is heated to more than 400 DEG C; the oxygen molecules in the deaeration area get the electrons from the conductive cathode and then turn into oxygen ions; the oxygen ions pass through the electrolyte plate under the effect of the electric field, lose the electrons on the conductive anode and then become oxygen molecules again; and the oxygen molecules are deoxidized through the air pump and then sent into the refrigerator through cooled -hypoxic gas, so that the gas in the cooling space is in a hypoxic state and is more fresh-keeping.

Description

technical field [0001] The invention relates to the technical field of refrigerator freshness preservation, in particular to a refrigerator which improves the degree of freshness preservation by adjusting the content of gas components in the cooling space of the refrigerator. Background technique [0002] At present, household refrigerating and freezing refrigerators mainly prolong the shelf life of food by reducing the temperature in the refrigerating and freezing chamber of the refrigerator; there are five factors that cause food deterioration: 1. Microbial action, 2. Enzyme action, 3. Oxidation, 4. 1. Respiration, 5. Mechanical damage. Generally speaking, lowering the temperature can delay and weaken these effects, but it cannot be completely suppressed, so the quality and nutritional value of refrigerated and frozen foods always decline. In order to achieve the purpose of refrigerator food preservation, refrigerator preservation technology must be studied from four aspec...

AI Technical Summary

Problems solved by technology

This patent is only designed for fruit and vegetable boxes, not applicable to the entire cooling space

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