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Control method for instant freezing storage of refrigerator and refrigerator

A control method and refrigerator technology, applied in household refrigerators, household refrigeration devices, applications, etc., can solve the problems of uneven temperature cooling, supercooling, shallow supercooling, and increasing wind speed, so as to maintain nutrition, reduce juice loss, good user experience

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] (1) The uneven temperature drop in the supercooling process causes the supercooling to be released in advance;
[0005] (2) Only by increasing the wind speed or air volume, the effect of supercooling is not good;
[0006] (3) The depth of supercooling is shallow, and it cannot enter the supercooling state well

Method used

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  • Control method for instant freezing storage of refrigerator and refrigerator
  • Control method for instant freezing storage of refrigerator and refrigerator
  • Control method for instant freezing storage of refrigerator and refrigerator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] Such as Figure 1-4 As shown, a control method for instant freezing storage of refrigerators, in response to the received instant freezing storage instructions, the cold air generated by the refrigeration system is adjusted to cool the stored items, and the stored items are stored in the supercooled storage mode It includes four periods: supercooling preparation period, supercooling cooling period, supercooling removal period and conventional refrigeration period.

[0061] For the supercooling preparation period: in the equipment that is normally operated with the initial working parameters, first increase the speed of the compressor in the refrigeration system, and store the stored object at the preset preparation temperature. When the temperature of the stored object reaches the preset preparation temperature Entering the supercooling and cooling period, at this time, the range of the preset preparation temperature can adopt the above temperature range, or can be furt...

Embodiment 2

[0071] In this embodiment, a refrigerator with a function of instant freezing storage is specifically disclosed. The refrigerator includes a control unit and corresponding basic hardware equipment that cooperates with the control unit to realize instant freezing storage. The control unit in the refrigerator adopts any of the above-mentioned control methods for storage.

Embodiment 3

[0073] Such as Figure 2-4 In this embodiment shown, another more specific refrigerator with instant freezing storage function is disclosed, and the refrigerator includes a storage room, a refrigeration system and a control unit. Use the storage room to provide a space environment for storing the stored objects. The refrigerant is transported through the capillary tubes arranged in the refrigerant flow path of the refrigeration system; the refrigeration system responds to the control of the control unit to cool the stored objects in the storage room, wherein the refrigeration system includes capillary tubes, and the refrigeration system installed in the refrigeration system In the refrigerant flow path, it is used to transport refrigerant. The control unit acts as the control center of the refrigerator, and controls the cold air generated by the refrigeration system to cool the stored items. In addition, in the supercooling preparation period: the control unit controls the r...

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Abstract

The invention discloses a control method for instant freezing storage of a refrigerator. The method is used for adjusting cold air generated by a refrigerating system in response to a received instantfreezing storage instruction to cool a stored object, and storing the stored object in a supercooling storage mode. The method comprises a supercooling preparation period: improving the rotating speed of a compressor in the refrigerating system and storing the stored object at preset preparation temperature, and when the temperature of the stored object reaches the preset preparation temperature,entering a supercooling temperature reducing period; the supercooling temperature reducing period: recovering the rotating speed of the compressor, and carrying out multi-stage cooling processing onthe stored object at preset temperature gradient; a supercooling release period: after finishing the multi-stage supercooling temperature reducing process, reducing the flow of refrigerants in a capillary tube in the refrigerating system within a preset release time to make supercooling released; and a conventional refrigeration period: after finishing the supercooling release period, recovering the refrigerant flow of the capillary tube and storing the stored object in a conventional storage mode. In addition, the invention further discloses the refrigerator with the instant freezing storagefunction.

Description

technical field [0001] The invention relates to the field of refrigerators, in particular to a control method for instant freezing storage of refrigerators and a refrigerator. Background technique [0002] In order to better maintain the nutrition of frozen food, ordinary freezing, rapid freezing and other freezing methods are usually used for food preservation. However, traditional ordinary freezing has disadvantages such as uneven temperature control in the freezing chamber and staying in the maximum ice crystal formation zone for a long time. ; And although rapid freezing can pass through the maximum ice crystal formation zone fast, the production cost is higher, which is unfavorable for popularization and application on the refrigerator. There are also some technologies that propose supercooling storage methods, such as the way to release supercooling in CN20070052223.0 "Refrigerator and Freezing Storage Method" by increasing the wind speed or air volume. [0003] There...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25D29/00F25D11/02
CPCF25D11/02F25D29/00F25D2400/30F25D2400/36F25D2600/02F25D2600/06
Inventor 钱梅双汪猗吉辛海亚
Owner HEFEI KINGHOME ELECTRICAL CO LTD
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