Control method for refrigerating and freezing device, and refrigerating and freezing device

Patent metadata

Field	Value
Publication number	US-12366402-B2
Application number	US-202118004497-A
Country	US
Kind code	B2
Filing date	Jun 29, 2021
Priority date	Jul 8, 2020
Publication date	Jul 22, 2025
Grant date	Jul 22, 2025

Abstract

A control method for a refrigerating and freezing device, and the refrigerating and freezing device are disclosed. The refrigerating and freezing device includes a storage compartment, a refrigeration compartment, and a refrigeration system at least partially arranged in the refrigeration compartment. The control method includes: controlling the refrigeration system to stop supplying cold to the storage compartment; and connecting the refrigeration compartment with the storage compartment, and controlling a fan of the refrigeration system to operate so as to promote air in the refrigeration compartment and the storage compartment to flow circularly. In the present invention, air in the storage compartment is utilized to carry out air defrosting on the refrigeration compartment, and then the defrosted high-humidity gas is led back to the storage compartment.

First claim

The invention claimed is:

1. A control method for a refrigerating and freezing device, the refrigerating and freezing device comprising a storage compartment, a refrigeration compartment, and a refrigeration system at least partially arranged in the refrigeration compartment, and the storage compartment being separated into a fresh-keeping area and a common storage area, wherein the control method comprises:
controlling the refrigeration system to stop supplying cold to the storage compartment; and
after the refrigeration system stops supplying cold to the storage compartment, connecting the refrigeration compartment with the storage compartment, and controlling a fan of the refrigeration system to operate so as to promote air in the refrigeration compartment and the storage compartment to flow circularly, and
wherein connecting the refrigeration compartment with the storage compartment comprises:
first connecting the refrigeration compartment with the storage area; and
after the refrigeration compartment has been connected with the storage area for a first preset time, then connecting the refrigeration compartment with both the storage area and the fresh-keeping area to humidify the fresh-keeping area.

2. The control method according to claim 1 , further comprising:
controlling the fan to stop operating and disconnecting the refrigeration compartment from the fresh-keeping area after performing the step of connecting the refrigeration compartment with the storage area and the fresh-keeping area for a second preset time; and
after the refrigeration compartment has been disconnected from the fresh-keeping area for a third preset time, disconnecting the refrigeration compartment from the storage area.

3. The control method according to claim 1 , before the step of controlling the refrigeration system to stop supplying cold to the storage compartment, further comprising:
controlling, when a storage temperature of the storage compartment is greater than or equal to a preset start-up temperature, the refrigeration system to supply cold to the storage compartment; and
performing, when the storage temperature of the storage compartment decreases to be less than or equal to a preset shutdown temperature, the step of controlling the refrigeration system to stop supplying cold to the storage compartment.

4. The control method according to claim 3 ,
wherein the storage temperature of the storage compartment is the temperature of the storage area; and/or
wherein the storage temperature of the storage compartment is greater than 0° C.

5. The control method according to claim 3 , wherein while performing the step of controlling the refrigeration system to supply cold to the storage compartment, the control method further comprises:
connecting the refrigeration compartment with the storage area, and disconnecting the refrigeration compartment from the fresh-keeping area.

6. The control method according to claim 3 , wherein
the step of controlling the refrigeration system to stop supplying cold to the storage compartment is performed each time the storage temperature of the storage compartment decreases to be less than or equal to the preset shutdown temperature.

7. A refrigerating and freezing device, comprising:
a cabinet, defining a storage compartment and a refrigeration compartment;
a refrigeration system, at least partially arranged in the refrigeration compartment to supply cold to the storage compartment;
a processor; and
a memory, storing a computer program which, when executed by the processor, is used to implement the control method according to claim 1 .

8. The refrigerating and freezing device according to claim 7 , wherein
the storage compartment is separated into a fresh-keeping area and a common storage area; and
the fresh-keeping area is arranged below the storage area.

9. The refrigerating and freezing device according to claim 7 , wherein
the storage compartment is separated into a fresh-keeping area and a common storage area; and
the fresh-keeping area is provided with a valve for keeping a gas pressure of the fresh-keeping area within a preset pressure threshold value.

Assignees

• Qingdao haier special refrigerator co ltd
• Qingdao haier refrigerator co ltd
• Haier Smart Home Co Ltd
• Qingdao Hater Special Refrigerator Co Ltd

Inventors

• Ji Lisheng
• Wang Ming
• Li Peng
• Han Zhiqiang
• Cui Zhanpeng
• Wang Kai

Classifications

• F25D2317/061

  through special compartments · CPC title

• F25D11/02 Primary

  with cooling compartments at different temperatures · CPC title

• F25D2700/12

  Sensors measuring the inside temperature · CPC title

• F25D2317/0413

  by humidification · CPC title

• F25D17/042 Primary

  Air treating means within refrigerated spaces (air conditioning in general F24F) · CPC title