CN-121993967-A - Refrigerating appliance and control method thereof

CN121993967ACN 121993967 ACN121993967 ACN 121993967ACN-121993967-A

Abstract

The invention provides a refrigeration appliance. The refrigerator comprises a box body, a fresh-keeping container, a gas regulating unit, a temperature sensor and a temperature sensor, wherein the box body is provided with a compartment, the fresh-keeping container is arranged in the compartment, the fresh-keeping container comprises a main body and an adapting piece arranged on the main body, the adapting piece is provided with a mounting groove and a gas inlet communicated with the inside and the outside of the fresh-keeping container, the gas regulating unit is arranged outside the fresh-keeping container and is used for forming fresh-keeping gas, the gas regulating channel is communicated with the gas regulating unit, one tail end of the gas regulating channel is arranged at the gas inlet and is communicated with the inside of the fresh-keeping container, the fresh-keeping gas enters the inside of the fresh-keeping container through the gas regulating channel, and the temperature sensor is fixedly arranged in the mounting groove and is used for sensing the temperature inside the fresh-keeping container. Therefore, the problems of temperature sensing and fresh-keeping gas introduction can be solved, the temperature control inside the fresh-keeping container is convenient, and the temperature stability is improved.

Inventors

LIU YONGHAO
MIAO JIANLIN
JI LISHENG
CHEN JIANQUAN
Gou qian

Assignees

青岛海尔电冰箱有限公司
海尔智家股份有限公司

Dates

Publication Date: 20260508
Application Date: 20241108

Claims (20)

1. A refrigeration appliance, comprising: A case provided with a compartment; the fresh-keeping container is arranged in the compartment and comprises a main body and an adapting piece arranged on the main body, wherein the adapting piece is provided with a mounting groove and a gas inlet communicated with the inside and the outside of the fresh-keeping container; the air conditioning unit is arranged outside the fresh-keeping container and is used for forming fresh-keeping gas; the air-conditioning channel is communicated with the air-conditioning unit, one end of the air-conditioning channel is arranged at the air inlet to be communicated with the interior of the fresh-keeping container, and fresh-keeping gas enters the interior of the fresh-keeping container through the air-conditioning channel; And the temperature sensor is fixedly arranged in the mounting groove and is used for sensing the internal temperature of the fresh-keeping container.
2. The refrigerator of claim 1, wherein the mounting groove has a detection port communicating with the interior of the fresh food container, the detection end of the temperature sensor being located at the detection port.
3. The refrigerator of claim 2, wherein the adapter includes a shroud surrounding the gas inlet and the mounting groove and protruding from an outer surface of the main body.
4. A refrigerator according to claim 3, wherein the shroud encloses an open mouth exposing the mounting slot and the gas inlet; the temperature sensor is mounted to the mounting groove from the outside of the fresh-keeping container through the opening; the refrigerator further has a seal that closes the opening.
5. The refrigerator according to claim 1, wherein the end of the air-conditioning duct is provided as a pipe fitting, which is in plug-in connection with the air interface.
6. The refrigeration appliance according to claim 1, wherein the box body is further provided with a refrigeration compartment, and a refrigerator is installed in the refrigeration compartment; The refrigerating device comprises a cooling channel, and the cooling channel is communicated with the refrigerating cabin and the compartment so that cold air in the refrigerating cabin flows into the compartment and out of the fresh-keeping container.
7. The refrigeration appliance according to claim 6 wherein said cooling passage has an air intake opening exposed in said compartment, cold air within said cooling passage entering said compartment through said air intake opening; The refrigerator further comprises a diversion air duct, wherein the diversion air duct is arranged on the outer side of the fresh-keeping container and is used for diversion of cold air flowing out of the air inlet.
8. The refrigeration appliance according to claim 7 wherein said adapter is disposed outside said air conduction path.
9. The refrigerator of claim 7, wherein the outer surface of the main body is provided with a plurality of guide ribs, and at least part of the guide air duct is formed between the plurality of guide ribs.
10. The refrigerator of claim 7, wherein the main body is further provided with a through window which communicates the inside of the fresh-keeping container and the compartment, the through window being exposed to the guide air duct; The ventilation window is sealed to cover with a gas-blocking moisture-permeable film, and the gas-blocking moisture-permeable film is configured to allow water vapor to enter or permeate out of the fresh-keeping container in a unidirectional manner.
11. The refrigeration appliance according to claim 10 further comprising a damper and a fan disposed between said refrigeration compartment and said air intake, said refrigeration appliance comprising: the humidity sensor is arranged inside the fresh-keeping container and used for sensing the humidity value in the fresh-keeping container; and the controller is connected with the humidity sensor and the temperature sensor and is used for controlling the start and stop of the refrigerator, the opening and closing of the air door and the start and stop of the fan according to the humidity value and/or the internal temperature.
12. The refrigeration appliance according to claim 11 wherein said controller is configured to control said damper to open and said blower to operate after said refrigerator has been inactive for a preset time when said humidity value is greater than a first humidity threshold and said internal temperature is less than a fresh temperature threshold until said humidity value decreases to a second humidity threshold, and to control said refrigerator to operate, said damper to open and said blower to operate until said humidity value decreases to a second humidity threshold when said humidity value is greater than said first humidity threshold and said internal temperature is not less than said fresh temperature threshold.
13. The refrigeration appliance according to claim 6 further comprising a damper and a fan disposed between said refrigeration compartment and said air intake, said refrigeration appliance further comprising: a gas concentration sensor disposed within the fresh-keeping container for detecting a target gas concentration within the fresh-keeping container; And the controller is connected with the gas concentration sensor and the temperature sensor and is used for controlling the start and stop of the air conditioning unit, the start and stop of the refrigerator, the opening and closing of the air door and the start and stop of the fan according to the target gas concentration and/or the internal temperature.
14. The refrigeration appliance according to claim 13 wherein said controller is configured to control said air conditioning unit to cease operation and to control start-stop of said refrigerator, said damper to open and close, and start-stop of said fan based on said internal temperature when said target gas concentration meets a concentration threshold range, to control said air conditioning unit to operate when said target gas concentration does not meet a concentration threshold range, and to control said refrigerator to operate, said damper to open, and said fan to operate when said internal temperature exceeds a first temperature threshold during operation of said air conditioning unit, and to control said refrigerator to operate, said damper to open, and said fan to operate and to control said air conditioning unit to cease operation when said internal temperature exceeds a second temperature threshold during operation of said air conditioning unit; The first temperature threshold is smaller than the second temperature threshold, and the starting temperature threshold of the fresh-keeping container is between the first temperature threshold and the second temperature threshold.
15. The refrigerator according to claim 1, wherein the refrigerator comprises a liner, the refrigerator comprises a door plate and a fresh-keeping barrel assembled in the liner, the fresh-keeping barrel encloses the compartment with an opening in front, and the door plate is movably arranged at the opening and used for opening and closing the compartment; The main body is arranged as a drawer movably contained in the fresh-keeping barrel, the drawer comprises a box body with an upper object taking opening and a cover plate for opening and closing the object taking opening, and the box body is fixedly connected with the door plate.
16. The refrigerator of claim 15, wherein said adapter is fixedly mounted to said cover plate, and said end of said air-conditioning passage is fixedly disposed on said fresh-keeping cylinder and is inserted up and down into said air inlet.
17. The refrigeration appliance according to claim 1 wherein said housing includes a liner enclosing said compartment; The main body comprises a fresh-keeping barrel and a door plate for sealing and closing the fresh-keeping barrel, and the adapting piece is fixedly arranged on the fresh-keeping barrel.
18. The refrigerator according to claim 1, wherein the modified atmosphere unit is an electrolytic modified atmosphere unit for forming a fresh gas by an electrochemical reaction, comprising an anode, a cathode and at least an inner chamber for containing an electrolyte; One side of the cathode is exposed in the inner cavity, and the other side of the cathode is exposed in the air-conditioning channel, and the cathode is used for consuming oxygen in the air-conditioning channel through electrochemical reaction so as to enable the formed fresh-keeping gas to be in an oxygen-deficient state; Or one side or two sides of the anode are exposed in the inner cavity, the air-conditioning channel is communicated with the inner cavity, and the anode is used for generating oxygen in the inner cavity through electrochemical reaction so as to enable the formed fresh-keeping gas to be in an oxygen-enriched state.
19. A method of controlling a refrigeration appliance according to any one of claims 1 to 18, comprising: s101, judging whether the humidity value in the fresh-keeping container is larger than a first humidity threshold value, if so, executing S102, and if not, repeatedly executing S101; s102, judging whether the internal temperature of the fresh-keeping container is lower than a fresh-keeping temperature threshold, if yes, executing S103, and if not, executing S104; s103, after the refrigerator stops running for a preset time, blowing residual cold of the refrigerator into the compartment and out of the fresh-keeping container until the humidity value is reduced to a second humidity threshold value, and returning to S101; And S104, controlling the refrigerator to operate so as to blow cold air at the refrigerator to the compartment and the outside of the fresh-keeping container until the humidity value is reduced to a second humidity threshold value, and returning to S101.
20. A method of controlling a refrigeration appliance according to any one of claims 1 to 18, comprising: S201, judging whether the concentration of the target gas in the fresh-keeping container meets a concentration threshold range, if so, executing S202, and if not, executing S204; s202, judging whether the internal temperature of the fresh-keeping container reaches a starting temperature threshold, if so, executing S203, and if not, returning to S201; S203, controlling a refrigerator to be started to blow cold air at the refrigerator to the compartment and the outside of the fresh-keeping container until the internal temperature is reduced to a shutdown temperature threshold, and returning to S201; s204, controlling the air conditioning unit to operate, monitoring whether the internal temperature exceeds a first temperature threshold, if so, executing S205, and if not, executing S201; S205, controlling a refrigerator to be started to blow cold air at the refrigerator to the compartment and the outside of the fresh-keeping container, monitoring whether the internal temperature exceeds a second temperature threshold, if so, controlling the air conditioning unit to stop running, and if not, returning to S201; The first temperature threshold is smaller than the second temperature threshold, and the starting temperature threshold of the fresh-keeping container is between the first temperature threshold and the second temperature threshold.

Description

Refrigerating appliance and control method thereof Technical Field The invention relates to the technical field of household appliances, in particular to a refrigeration appliance and a control method thereof. Background The basic principle of the modified atmosphere preservation technology is that in a certain closed space, a gas atmosphere different from air components is obtained by various regulation modes so as to inhibit physiological and biochemical processes and microbial activities which cause the spoilage of stored materials (usually food materials). Those skilled in the art will appreciate that the air composition comprises, by volume, about 78% nitrogen, about 21% oxygen, about 0.939% rare gas, 0.031% carbon dioxide, and 0.03% other gases and impurities, such as ozone, nitric oxide, nitrogen dioxide, water vapor, and the like. In the field of controlled atmosphere preservation, the closed space may be filled with an oxygen-depleted preservation gas, for example, less than 21% by volume of oxygen, or may be filled with an oxygen-enriched preservation gas, for example, greater than 21% by volume of oxygen. Meanwhile, in the refrigerator, in addition to the adjustment of the gas atmosphere, it is also necessary to control the temperature. Therefore, it is difficult to achieve both the setting of the temperature sensor and the introduction of the fresh-keeping gas in the refrigerator with the modified atmosphere fresh-keeping technology, and the introduction of the fresh-keeping gas causes temperature fluctuation. Therefore, how to ensure the introduction of fresh-keeping gas, effectively consider the temperature and improve the temperature control effect is a technical problem. Disclosure of Invention In view of the above-mentioned technical problems, an object of the present invention is to provide a refrigeration appliance and a control method thereof. To achieve the above object, an embodiment provides a refrigeration appliance. The refrigeration appliance includes: A case provided with a compartment; the fresh-keeping container is arranged in the compartment and comprises a main body and an adapting piece arranged on the main body, wherein the adapting piece is provided with a mounting groove and a gas inlet communicated with the inside and the outside of the fresh-keeping container; the air conditioning unit is arranged outside the fresh-keeping container and is used for forming fresh-keeping gas; the air-conditioning channel is communicated with the air-conditioning unit, one end of the air-conditioning channel is arranged at the air inlet to be communicated with the interior of the fresh-keeping container, and fresh-keeping gas enters the interior of the fresh-keeping container through the air-conditioning channel; And the temperature sensor is fixedly arranged in the mounting groove and is used for sensing the internal temperature of the fresh-keeping container. Preferably, the mounting groove is provided with a detection port communicated with the inside of the fresh-keeping container, and the detection end of the temperature sensor is positioned at the detection port. Preferably, the adapter includes a shroud surrounding the gas inlet and the mounting groove and protruding from an outer surface of the body. Preferably, the shroud encloses an open mouth exposing the mounting slot and the gas inlet; the temperature sensor is mounted to the mounting groove from the outside of the fresh-keeping container through the opening; the refrigerator further has a seal that closes the opening. Preferably, the end of the air-conditioning channel is provided as a pipe joint, and the pipe joint is in plug-in connection with the air interface. Preferably, the box body is further provided with a refrigerating cabin, and a refrigerator is arranged in the refrigerating cabin; The refrigerating device comprises a cooling channel, and the cooling channel is communicated with the refrigerating cabin and the compartment so that cold air in the refrigerating cabin flows into the compartment and out of the fresh-keeping container. Preferably, the cooling channel has an air inlet exposed in the compartment, and cold air in the cooling channel enters the compartment through the air inlet; The refrigerator further comprises a diversion air duct, wherein the diversion air duct is arranged on the outer side of the fresh-keeping container and is used for diversion of cold air flowing out of the air inlet. Preferably, the adapter is arranged outside the diversion air duct. Preferably, the outer surface of the main body is provided with a plurality of guide ribs, and at least part of the guide air channel is formed between the guide ribs. Preferably, the main body is further provided with a through window, the through window is communicated with the inside of the fresh-keeping container and the compartment, and the through window is exposed in the diversion air duct; The ventilation window is sealed to cover with a gas-bl