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Supercooling non-freezing storage control method and refrigerator

A storage method and supercooling technology, which can be used in cooling fluid circulation devices, household refrigeration devices, lighting and heating equipment, etc., and can solve the problems of food quality degradation and long thawing time

Pending Publication Date: 2020-03-24
HEFEI KINGHOME ELECTRICAL CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention implements periodical cooling and heating control on the temperature of the food storage environment. In the cooling stage, a plurality of cooling targets are preset for cooling in stages. In the heating stage, a single heating target is preset for continuous heating. It can effectively solve the problems of long thawing time and food quality decline after food is frozen

Method used

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  • Supercooling non-freezing storage control method and refrigerator
  • Supercooling non-freezing storage control method and refrigerator
  • Supercooling non-freezing storage control method and refrigerator

Examples

Experimental program
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Effect test

Embodiment 1

[0055] Such as Figure 5 As shown, the present embodiment provides a supercooled non-freezing storage refrigerator, including:

[0056] The cooling chamber 2 is used for supercooling and not freezing preservation of the food put therein.

[0057] The refrigerating system 5 is used to produce cold air to refrigerate the cooling objects in the refrigerator, and specifically includes: a compressor 51, a condenser 52, an anti-condensation pipe 53, a drying filter 54, a freezing evaporator 55, and an air return pipe assembly 56. Example of a refrigeration system 5 such as Figure 4 shown.

[0058] The control unit includes: a controller, a temperature regulating device, a temperature sensor 4, a timer, a heating device 6, and an electric field generating device 7, and is characterized in that: the controller is used to control other components of the control unit; the temperature regulating device is used for Adjust the temperature of the cooling chamber 2 to make it run accordi...

Embodiment 2

[0070] Attached below figure 1 The content of the specific embodiment of the present invention is described in detail: the electric field generating device 7 is turned on, and the food under the action of the electric field is controlled for cooling and heating. The cooling and heating control includes the following steps:

[0071] S1: the cooling process in stages, so that the cooling chamber is cooled step by step to the second temperature T2 lower than the freezing point T0 of the object to be cooled according to the preset cooling target and preset cooling time;

[0072] S2: In the continuous heating process, turn on the heating device 6 to continuously raise the temperature of the cooling chamber to the first temperature T1 equal to or higher than the freezing point T0 of the object to be cooled, and turn off the heating device 6 after the heating process is completed.

[0073] Wherein, T1>T2, the temperature range of T1 is 0°C to 10°C, the temperature range of T2 is -10°...

Embodiment 3

[0099] Such as figure 2 As shown, this embodiment provides another control method for supercooling without freezing storage. After the user puts the food into the cooling chamber 2 of the refrigerator, he turns on the electric field generator 7, so that the food is under the action of the electric field, and the infrared temperature in the cooling chamber 2 The sensor detects the surface temperature Ts of the food. If it detects that the surface temperature Ts of the food is equal to or lower than the second temperature T2, the refrigerator control unit controls the cooling chamber 2 to heat up first. Compared with Embodiment 2, the temperature rise program is executed first in this embodiment Re-execute the cooling program, and then enter the control cycle of heating and cooling, and the rest are the same as in Embodiment 2, and will not be repeated here. The temperature variation of present embodiment cooling chamber is as follows Figure 8 As shown, the temperature change...

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Abstract

The invention relates to a supercooling non-freezing storage control method and a refrigerator. The method comprises the steps of turning on an electric field generating device to enable a cooled object to be in the electric field, and carrying out periodic heating and cooling control on the temperature of a cooling chamber, wherein staged step-by-step cooling is adopted in the cooling stage to reduce the temperature below a freezing point, the food is enabled to stably enter a supercooling state, the food is prevented from generating needle-like ice crystals due to freezing to damage the cellstructure, and the flavor of the food is further prevented from being damaged during thawing; and a heating device is turned on in the heating stage, the storage environment temperature of the food is continuously increased to be equal to or higher than the freezing point temperature by adopting a continuous heating mode, and the heating device is turned off after the heating is completed. Through continuous circulation of heating and cooling, the food is not frozen near the freezing point, and the fresh-keeping period of the food is prolonged.

Description

technical field [0001] The invention relates to a refrigerator control method and a refrigerator, in particular to a control method for supercooling without freezing storage and a refrigerator. Background technique [0002] With the rapid development of air-cooled refrigerators and the improvement of consumers' requirements for the freshness of cooling objects, the multi-function of refrigerators has developed rapidly, and at the same time, the requirements for controlling the storage temperature of cooling objects in refrigerators have become more and more stringent. [0003] In the prior art, the cooling object preservation control methods for short-term storage and preservation of fruits and vegetables, meat, etc. mainly include: fixed single temperature control mode and high temperature, low temperature alternate control mode, fixed single low temperature control and high temperature, low temperature alternate control mode for a long time The low temperature control will...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D29/00
CPCF25D29/00F25D2600/02F25D2600/06
Inventor 钱梅双辛海亚梁起
Owner HEFEI KINGHOME ELECTRICAL CO LTD
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