Refrigeration structure of multi-temperature zone and its control method

Abstract

The invention relates to the field of refrigeration, in particular to a refrigeration structure of multiple temperature zones and a control method thereof. The refrigeration structure of the multipletemperature zones comprises a box body and a door body, wherein the door body covers the opening of the box body, so that a closed space is formed in the box body; more than two temperature zones arearranged in the box body, the temperature zone with relatively low temperature is surrounded by the temperature zone with relatively high temperature, and the temperature zone with the lowest temperature is closest to an evaporator of the refrigeration structure; the temperature zones comprise a deep freezing zone, a conventional freezing zone, and / or a soft freezing zone; different air flow pathsare adopted for the different temperature zones, the air flow paths communicate with an air duct in the box body, and the evaporator is arranged in the air duct; and a temperature measuring element is arranged in each temperature zone. According to the refrigeration structure of the multiple temperature zones and the control method thereof, the plurality of temperature zones with the different temperatures are arranged in one refrigeration structure, the different temperature zones correspond to the different air flow paths, whether the corresponding temperature zones need to be refrigeratedor not is judged through temperature sensors arranged in the different temperature zones, if refrigerating is needed, a corresponding air flow driving structure is started and a compressor starts to run, if refrigerating is not needed, the corresponding air flow driving structure does not rotate, and therefore independent control over the temperature zones is realized.

Description

technical field [0001] The invention relates to the refrigeration field, in particular to a refrigeration structure with multiple temperature zones and a control method thereof. Background technique [0002] The freezing of the refrigerator has dual temperature zones, and the temperature ranges independently controlled by each temperature zone are generally soft freezing (such as -18 ~ 7°C) and ordinary freezing (above -26°C), but there is no deep cooling such as below -30°C temperature zone. Some products have a cryogenic zone, but there is only one temperature zone in a room, either a common freezing zone or a cryogenic zone; and in order to avoid setting a cryogenic zone, the temperature difference between the inside and outside of the box and the environment is too large, that is, the environment The greater the temperature difference, the greater the power consumption, the greater the possibility of condensation, and the higher the requirements for heat preservation. B...

AI Technical Summary

Problems solved by technology

Some products have a cryogenic zone, but there is only one temperature zone in a room, either a common freezing zone or a cryogenic zone; and in order to avoid setting a cryogenic zone, the temperature difference between the inside and outside of the box and the environment is too large, that is, the environment The greater the temperature difference, the greater the power consumption, the greater the possibility of condensation, and the higher the requirements for heat preservation. Both condensation and power consumption will virtually increase the risk of using the product, so it is necessary to increase the power consumption of the refrigerator. The additional bubble layer and anti-condensation measures will bring about the cost increase of the overall material cost of the refrigerator and the complexity of the structure, and when the refrigerator is set with a common freezing temperature zone (the probability of being used by users is more), the structure will be redundant. surplus and waste

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