Instant freezing chamber control method and refrigerator
A control method and technology of instant freezing chamber, which are applied in household refrigerators, household refrigeration devices, coolers, etc., can solve the problem of poor removal effect of supercooling, inability to enter the state of supercooling well, and uneven temperature reduction. cooling, etc.
Pending Publication Date: 2020-04-03
HEFEI KINGHOME ELECTRICAL CO LTD +1
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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) The effect of supercooling relief is not good, by increasing the wind speed or air volume
[0006]
(3) The depth of supercooling is shallow, and it cannot enter the supercooling state well
Method used
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[0058] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0059] Terms used in the embodiments of the present invention are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. The singular forms "a", "said" and "the" used in the embodiments of the present invention and the appended claims are also intended to include plural forms, unless the ...
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The invention relates to an instant freezing chamber control method and a refrigerator. The instant freezing chamber control method comprises a multi-stage supercooling temperature reduction process,a supercooling release process and a conventional refrigeration storage process. Staged temperature reduction is carried out on a cooled object in the supercooling temperature reduction stage, and thetemperature reduction in each stage is realized by carrying out cooling control on the cooled object. In each temperature reduction stage, an instant freezing chamber for storing the cooled object iscontrolled to operate for a time tn according to a preset temperature Tn, so that the temperature distribution of the instant freezing chamber for storing the cooled object in the single temperaturereduction stage process is enabled to be more uniform. In the supercooling release stage, the processes of reducing the flow of capillary tubes in the refrigeration system, increasing the rotating speed of a condensate fan and increasing the rotating speed of a compressor are executed at the same time, an electric field generating device is started to fully release the supercooling state of the cooled object, and instant freezing of the cooled object is further realized. The frozen cooled object is stored for a long time at a conventional refrigeration storage temperature.
Description
technical field [0001] The invention relates to a control method and a refrigeration system for a quick freezing chamber, in particular to a control method capable of realizing quick freezing of food 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. The supercooling freezing technology can make the fresh-keeping objects form uniform and fine ice crystals after the supercooling process, which can better maintain the flavor of the food than ...
Claims
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IPC IPC(8): F25D11/02F25D29/00
CPCF25D11/02F25D29/00F25D2400/30F25D2400/36F25D2600/02F25D2600/06
Inventor 钱梅双辛海亚梁起胡卓鸣
Owner HEFEI KINGHOME ELECTRICAL CO LTD