CN-121993969-A - Refrigerating appliance and control method thereof

CN121993969ACN 121993969 ACN121993969 ACN 121993969ACN-121993969-A

Abstract

The application provides a refrigeration appliance and a control method thereof. The refrigerator comprises a box body, a gas treatment module, a first gas distribution channel, a second gas distribution channel, a first air door and a second air door, wherein the first fresh-keeping chamber and the second fresh-keeping chamber are arranged in the box body, the gas treatment module is used for forming fresh-keeping gas, the first gas distribution channel is communicated with the gas treatment module and the first fresh-keeping chamber and used for enabling fresh-keeping gas to flow into the first fresh-keeping chamber from the gas treatment module, the second gas distribution channel is arranged in parallel with the first gas distribution channel and is communicated with the gas treatment module and the second fresh-keeping chamber and used for enabling fresh-keeping gas to flow into the second fresh-keeping chamber from the gas treatment module, the first air door is used for opening and closing the first gas distribution channel, and the second air door is used for opening and closing the second gas distribution channel. Therefore, the fresh-keeping effect can be improved, and the energy consumption of the refrigeration appliance during fresh-keeping air conditioning can be reduced.

Inventors

MIAO JIANLIN
OUYANG JIA
CHEN JIANQUAN
ZHANG HAO

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 (14)

1. A refrigeration appliance, comprising: The box body is internally provided with a first fresh-keeping chamber and a second fresh-keeping chamber; a gas treatment module for forming a fresh-keeping gas; The first gas distribution channel is communicated with the gas treatment module and the first fresh-keeping chamber, so that fresh-keeping gas flows into the first fresh-keeping chamber from the gas treatment module; The second gas distribution channel is arranged in parallel with the first gas distribution channel and is communicated with the gas treatment module and the second fresh-keeping chamber so that fresh-keeping gas flows into the second fresh-keeping chamber from the gas treatment module; a first air door for opening and closing the first air distribution channel, and And the second air door is used for opening and closing the second air distribution channel.
2. The refrigeration appliance according to claim 1 further comprising a gas flow drive mechanism for driving fresh gas from said gas treatment module to said first gas distribution channel and said second gas distribution channel.
3. The refrigeration appliance according to claim 2, wherein the refrigeration appliance comprises a gas distribution box which is assembled outside the gas treatment module and forms an integrated module with the gas treatment module; The air flow driving mechanism, the first air door, the second air door, the first air distribution channel and the second air distribution channel are integrated in the air distribution box or the integrated module.
4. The refrigeration appliance according to claim 2, wherein the refrigeration appliance has a sleep mode, a dehumidification mode, a double air conditioning mode; when in the sleep mode, the airflow driving mechanism and the gas treatment module are closed; when the dehumidification mode is adopted, the gas treatment module is closed, the first air door and the second air door are opened, and the air flow driving mechanism operates with a first operation capacity; and in the double-air-conditioning mode, the air treatment module is started, the first air door and the second air door are opened, the air flow driving mechanism operates at a second operation capacity, and the second operation capacity is smaller than the first operation capacity.
5. The refrigeration appliance according to claim 4 further comprising a common passageway through which both the first and second gas distribution passageways communicate to the gas treatment module; the airflow driving mechanism comprises a first fan and a second fan, The first fan is arranged in the first air distribution channel, or is arranged in the public channel, and an exhaust port of the first fan is arranged at an intersection of the public channel and the first air distribution channel; the second fan is arranged in the second air distribution channel, or is arranged in the public channel, and an exhaust port of the second fan is arranged at an intersection of the public channel and the second air distribution channel.
6. The refrigeration appliance according to claim 5 wherein said airflow drive mechanism operates at a first operating capacity characterized by said first fan operating at a speed V1m and said second fan operating at a speed V2 m; The air flow driving mechanism operates at a second operation capacity, wherein the first fan operates at a rotating speed V1, and the second fan operates at a rotating speed V2; wherein V1< V1m, V2< V2m.
7. The refrigeration appliance according to claim 4 further comprising a common passageway through which both the first and second gas distribution passageways communicate to the gas treatment module; The air flow driving mechanism is a fan arranged in the public channel, and the fan drives a part of fresh-keeping gas to flow from the gas treatment module to the first gas distribution channel, and another part of fresh-keeping gas to flow from the gas treatment module to the second gas distribution channel.
8. The refrigeration appliance according to claim 7 wherein said airflow drive mechanism operates at a first operating capacity characterized by said fan operating at a rotational speed V1 m; the air flow driving mechanism operates at a second operation capacity, wherein the fan operates at a rotating speed V1; Wherein V1< V1m.
9. The refrigerator of claim 4, further comprising a first door for opening and closing the first fresh food compartment, a second door for opening and closing the second fresh food compartment, a first annunciator for sensing the opening and closing of the first door, and a second annunciator for sensing the opening and closing of the second door; The controller is further configured to be electrically connected to the first annunciator and the second annunciator, and to control operation of the first damper, the second damper, the gas flow driving mechanism, and the gas treatment module based on signals sensed by the first annunciator and the second annunciator.
10. The refrigeration appliance according to claim 4 further comprising a mode collector responsive to user input to collect respective modes of operation of said first fresh food compartment, said second fresh food compartment; The controller is configured to control the operation of the first air door, the second air door, the air flow driving mechanism and the air treatment module according to the working mode acquired by the mode acquirer.
11. A control method of a refrigeration appliance according to claim 2, characterized in that the control method comprises the steps of, S1, monitoring whether the first fresh-keeping chamber and the second fresh-keeping chamber are closed; S2, if the step S1 is judged to be yes, the gas treatment module is controlled to be opened, the first air door and the second air door are controlled to be opened, and the air flow driving mechanism operates with a second operation capacity; s3, continuously monitoring whether the first fresh-keeping chamber and the second fresh-keeping chamber are opened or not before the first fresh-keeping chamber and the second fresh-keeping chamber reach the air-conditioning target; S4, if the monitoring result in the step S2 is full open, controlling the gas treatment module to be closed, opening the first air door and the second air door, and operating the air flow driving mechanism with a first operation capacity and returning to the step S1, wherein the first operation capacity is larger than the second operation capacity; And S5, if the first fresh-keeping chamber or the second fresh-keeping chamber is only opened in the step S2, controlling the gas treatment module to be opened, and closing the gas flow driving mechanism.
12. The method of controlling a refrigeration appliance according to claim 11, wherein said air flow driving mechanism is a fan for driving fresh air to flow into the first air distribution channel and the second air distribution channel; The first operation capability is the rotating speed V1m of the fan, and the second operation capability is the rotating speed V1< V1m of the fan.
13. The method of claim 11, wherein the air flow driving mechanism comprises a first fan driving fresh air to flow to a first air distribution channel, and a second fan driving fresh air to flow to a second air distribution channel; The first operation capability is that the first fan operates at a rotating speed V1m, the second fan operates at a rotating speed V2m, and the second operation capability is that the first fan operates at a rotating speed V1, and the second fan operates at a rotating speed V2, wherein V1 is less than V1m, and V2 is less than V2m; In step S5, if the first fresh-keeping chamber is monitored to be opened in step S2, the gas treatment module is controlled to be opened, the first fan and the second fan are controlled to be closed, after the first fresh-keeping chamber is closed, the gas treatment module is controlled to be opened, the first air door and the second air door are controlled to be opened, the first fan operates at a rotating speed V1k, and the second fan operates at a rotating speed V2 n; If only the second fresh-keeping chamber is monitored to be opened in the step S2, the gas treatment module is controlled to be opened, the first fan and the second fan are controlled to be closed, the gas treatment module is controlled to be opened after the second fresh-keeping chamber is closed, the first air door and the second air door are controlled to be opened, the first fan operates at the rotating speed V1n, and the second fan operates at the rotating speed V2 k; V1n<V1<V1k≤V1m,V2n<V2<V2k≤V2m。
14. a control method of a refrigeration appliance according to claim 2, characterized in that the control method comprises the steps of, S11, judging whether the closing time length of the first fresh-keeping chamber and the second fresh-keeping chamber reach a first threshold Tn or not, if so, entering a step S12; S12, controlling the airflow driving mechanism to be opened, alternately opening a first air door and a second air door for a first time period T1, then controlling the airflow driving mechanism to be closed, and controlling the gas treatment module to be closed after running for a second time period T2, starting to count from zero, and entering step S13; s13, judging whether the closing time length of the first fresh-keeping chamber and the closing time length of the second fresh-keeping chamber reach a second threshold Tm after the timing reaches a third time length T3; and S14, if the judgment in the step S13 is negative, returning to the step S11, and if the judgment in the step S13 is positive, controlling the gas treatment module to be opened, the gas flow driving mechanism to be opened, the first air door to be opened and the second air door to be opened.

Description

Refrigerating appliance and control method thereof Technical Field The application 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 preservation gas is a gas composed of single component or multiple components with components different from air, and when the gas is used for food storage, the gas can play a role in delaying putrefaction or delaying maturation of foods of a certain class or classes. For the purpose of controlled atmosphere, a common technique of a refrigerator is to install a gas treatment unit, which is capable of treating a specific gas component, for example, increasing or decreasing the content of the specific gas component, so as to obtain a fresh-keeping gas. However, researches show that the refrigerator with air-conditioned fresh-keeping function has the problems of unreasonable fresh-keeping gas supply, low efficiency and complex pipelines at present. Disclosure of Invention In order to solve the above technical problems, an object of the present application is to provide a refrigeration apparatus and a control method thereof. To achieve the above object, an embodiment provides a refrigeration appliance. The refrigeration appliance includes: The box body is internally provided with a first fresh-keeping chamber and a second fresh-keeping chamber; a gas treatment module for forming a fresh-keeping gas; The first gas distribution channel is communicated with the gas treatment module and the first fresh-keeping chamber, so that fresh-keeping gas flows into the first fresh-keeping chamber from the gas treatment module; The second gas distribution channel is arranged in parallel with the first gas distribution channel and is communicated with the gas treatment module and the second fresh-keeping chamber so that fresh-keeping gas flows into the second fresh-keeping chamber from the gas treatment module; a first air door for opening and closing the first air distribution channel, and And the second air door is used for opening and closing the second air distribution channel. As an alternative embodiment, the refrigerator further comprises a gas flow driving mechanism for driving the fresh-keeping gas from the gas processing module to the first gas distribution channel and the second gas distribution channel. As an alternative embodiment, the refrigeration appliance comprises a gas distribution box, wherein the gas distribution box is assembled outside the gas treatment module and forms an integrated module with the gas treatment module; The air flow driving mechanism, the first air door, the second air door, the first air distribution channel and the second air distribution channel are integrated in the air distribution box or the integrated module. As an alternative embodiment, the refrigerator has a sleep mode, a dehumidification mode, a double air conditioning mode; when in the sleep mode, the airflow driving mechanism and the gas treatment module are closed; when the dehumidification mode is adopted, the gas treatment module is closed, the first air door and the second air door are opened, and the air flow driving mechanism operates with a first operation capacity; and in the double-air-conditioning mode, the air treatment module is started, the first air door and the second air door are opened, the air flow driving mechanism operates at a second operation capacity, and the second operation capacity is smaller than the first operation capacity. As an optional embodiment, the refrigeration appliance further comprises a common channel, and the first gas distribution channel and the second gas distribution channel are communicated to the gas treatment module through the common channel; the airflow driving mechanism comprises a first fan and a second fan, The first fan is arranged in the first air distribution channel, or is arranged in the public channel, and an exhaust port of the first fan is arranged at an intersection of the public channel and the first air distribution channel; the second fan is arranged in the second air distribution channel, or is arranged in the public channel, and an exhaust port of the second fan is arranged at an intersection of the public channel and the second air distribution channel. As an altern