CN-121993966-A - Refrigerator and control method thereof

Abstract

The application provides a refrigerator and a control method thereof. The refrigerator comprises a refrigerator body, a gas treatment module and a gas distribution module, wherein more than two fresh-keeping compartments are arranged in the refrigerator body, the gas treatment module is used for forming fresh-keeping gas and provided with a gas outlet for the fresh-keeping gas to flow out, the gas distribution module is assembled on the gas treatment module and forms an integrated module with the gas treatment module, the gas distribution module comprises more than two gas distribution channels, the two gas distribution channels are communicated with the gas outlet in parallel, and each gas distribution channel is communicated with the corresponding fresh-keeping compartment. Therefore, reasonable distribution and accurate distribution of fresh-keeping gas are facilitated, the complexity of a pipeline structure is greatly reduced, the fresh-keeping supply pipeline of the fresh-keeping compartment is simple to install and arrange, and in addition, the combination of more diversification of the fresh-keeping compartment can be realized, so that the fresh-keeping function of the refrigerator is greatly improved.

Inventors

• MIAO JIANLIN
• CHEN JIANQUAN
• ZHANG HAO
• LI CHUNYANG
• LAN Chuanfeng

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. 1. A refrigerator, characterized in that it comprises: the box body is internally provided with more than two fresh-keeping compartments; The gas treatment module is used for forming fresh-keeping gas and is provided with a gas outlet for the fresh-keeping gas to flow out; The gas distribution module is assembled in the gas treatment module and forms an integrated module with the gas treatment module, the gas distribution module comprises more than two gas distribution channels, the two gas distribution channels are communicated with the gas outlet in parallel, and each gas distribution channel is communicated with the corresponding fresh-keeping compartment.
2. 2. The refrigerator of claim 1, wherein the gas distribution module comprises a gas distribution box, the gas distribution channel being at least partially formed in the gas distribution box or between the gas distribution box and the gas treatment module.
3. 3. The refrigerator of claim 2, wherein the more than two fresh-keeping compartments comprise a first fresh-keeping compartment and a second fresh-keeping compartment, and the two gas distribution channels comprise a first gas distribution channel and a second gas distribution channel which are arranged in parallel; the first air distribution channel is communicated with the first fresh-keeping compartment; the second air distribution channel is communicated with the second fresh-keeping compartment.
4. 4. The refrigerator of claim 3, wherein the gas distribution module further comprises a common channel, and the first gas distribution channel and the second gas distribution channel are both communicated to the gas treatment module through the common channel.
5. 5. The refrigerator of claim 4, wherein the gas distribution module further comprises a fan for driving fresh gas from the gas treatment module to the first gas distribution channel and the second gas distribution channel.
6. 6. The refrigerator of claim 5, wherein a minimum cross-sectional area ratio of the first air distribution channel to the second air distribution channel is C to D; Wherein A is greater than or equal to B, C is greater than or equal to D and C is between A4B/5 and A6B/5, or A < B, C < D and C is between A4B/5 and A6B/5.
7. 7. The refrigerator of claim 6, wherein the first air distribution channel has a first air distribution port formed on the integrated module, the first air distribution port defining a minimum cross section of the first air distribution channel; The second gas distribution channel has a second gas distribution port formed on the integrated module, the second gas distribution port defining a minimum cross-section of the second gas distribution channel.
8. 8. The refrigerator of claim 5, wherein the air distribution module further comprises a gravity baffle disposed at the second air distribution channel; the fan is provided with more than two gears with different rotating speeds, and corresponds to different gears, and the gravity separation blade rotates to different angles under the air flow drive in the second air distribution channel.
9. 9. The refrigerator of claim 8, wherein the blower is provided with a first gear of a rotation speed v1, a second gear of a rotation speed v2, a third gear of a rotation speed v3, v1 is less than or equal to v01, v02 is less than or equal to v2, and v01< v3< v02; When the rotating speed of the fan reaches above the second threshold value v02, the gravity baffle plate is driven by the air flow to rotate by an angle X, and the gravity baffle plate completely opens the second air distribution channel.
10. 10. The refrigerator of claim 9, wherein the first air distribution channel has a first air distribution port formed on the integrated module, and the second air distribution channel has a second air distribution port formed on the integrated module; The gravity baffle is arranged at the second air distribution port and used for shielding the second air distribution port, and the free lower end of the gravity baffle is driven by air flow flowing out of the second air distribution port to rotate away from the second air distribution port.
11. 11. The refrigerator of claim 5, wherein the air distribution module further comprises an air distribution door provided at the second air distribution channel to open and close the second air distribution channel.
12. 12. The refrigerator according to claim 11, the refrigerator is characterized by further comprising: A refrigerating cabin; a refrigeration system comprising a refrigerator disposed within the refrigeration compartment, the refrigerator for cooling air in the refrigeration compartment; An air supply duct communicating with the refrigerating compartment, and The refrigerating fan is used for driving cold air in the refrigerating cabin to flow to the periphery of the first fresh-keeping compartment and the periphery of the second fresh-keeping compartment along the air supply duct.
13. 13. The refrigerator of claim 12, wherein the refrigerator comprises: The first preservation box body is internally provided with a first preservation compartment; The second fresh-keeping box body encloses in its inside the second fresh-keeping compartment, the second fresh-keeping box body includes box body and gas-barrier moisture-permeable membrane, the inside and outside through's window that permeates is seted up to the box body, gas-barrier moisture-permeable membrane seal cover the window that permeates, the gas-barrier moisture-permeable membrane is configured as water vapor and permeates out the second fresh-keeping compartment.
14. 14. The refrigerator of claim 13, wherein the supply air duct has a first supply air port, a second supply air port, and a damper opening and closing the second supply air port; The air supply channel is communicated to the periphery of the second fresh-keeping compartment through the first air supply opening and the second air supply opening so as to reduce the temperature in the second fresh-keeping compartment; And compared with the first air supply opening, cold air flowing out of the second air supply opening flows towards the air-blocking and moisture-permeable film.
15. 15. The refrigerator of claim 4, wherein the gas distribution module further comprises a first fan and a second fan, the first fan driving fresh gas from the gas treatment module into the first gas distribution channel, the second fan driving fresh gas from the gas treatment module into the second gas distribution channel.
16. 16. The refrigerator of claim 15, wherein the first fan is disposed in the first air distribution channel or is disposed within the common channel with its air outlet disposed at an intersection of the common 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.
17. 17. The refrigerator of claim 15, wherein the first fan and the second fan are each configured to be adjustable in rotational speed.
18. 18. The refrigerator of any one of claims 4, 5, 15, wherein the air distribution module further comprises a first air distribution door and a second air distribution door, the first air distribution door being disposed at the second air distribution channel to open and close the second air distribution channel, the first air distribution door being disposed at the first air distribution channel to open and close the second air distribution channel.
19. 19. The refrigerator of claim 4, wherein the first fresh compartment is located above the integrated module and the second fresh compartment is located laterally of the integrated module; the first air distribution channel and the second air distribution channel are arranged up and down in a layered manner; The first air distribution channel is provided with a first air distribution port formed on the integrated module, and the first air distribution port is connected with a first air supply hole of the first fresh-keeping compartment in an up-down inserting manner; The second air distribution channel is provided with a second air distribution port formed on the integrated module, and the second air distribution port is in butt joint with a second air supply hole of the second fresh-keeping compartment.
20. 20. The refrigerator of claim 19, wherein the top of the gas treatment module is provided with a plurality of air deflectors, and the second air distribution channel is formed between the air deflectors; the gas distribution box comprises: the bottom cover is assembled on the gas treatment module and is provided with a transversely arranged partition plate, and the first gas distribution channel and the second gas distribution channel are distributed on the upper side and the lower side of the partition plate; the top cover is assembled on the bottom cover, a plurality of air guide ribs are arranged at the bottom of the top cover, and the first air distribution channel is formed between the air guide ribs.

Description

Refrigerator and control method thereof Technical Field The application relates to the technical field of household appliances, in particular to a refrigerator 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 preservation, a common technology of refrigerators is to install a gas treatment unit that can treat a specific gas component, for example, increase or decrease the content of the specific gas component, so as to obtain a preservation 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 technical problems, the application aims to provide a refrigerator and a control method thereof. To achieve the above object, an embodiment provides a refrigerator. The refrigerator includes: the box body is internally provided with more than two fresh-keeping compartments; The gas treatment module is used for forming fresh-keeping gas and is provided with a gas outlet for the fresh-keeping gas to flow out; The gas distribution module is assembled in the gas treatment module and forms an integrated module with the gas treatment module, the gas distribution module comprises more than two gas distribution channels, the two gas distribution channels are communicated with the gas outlet in parallel, and each gas distribution channel is communicated with the corresponding fresh-keeping compartment. As an alternative embodiment, the gas distribution module includes a gas distribution box, and the gas distribution channel is at least partially formed in the gas distribution box or between the gas distribution box and the gas processing module. As an alternative embodiment, the more than two fresh-keeping compartments comprise a first fresh-keeping compartment and a second fresh-keeping compartment, and the two air distribution channels comprise a first air distribution channel and a second air distribution channel which are arranged in parallel; the first air distribution channel is communicated with the first fresh-keeping compartment; the second air distribution channel is communicated with the second fresh-keeping compartment. As an optional embodiment, the gas distribution module further includes a common channel, and the first gas distribution channel and the second gas distribution channel are both communicated to the gas processing module through the common channel. As an alternative embodiment, the gas distribution module further comprises a fan, and the fan is used for driving fresh-keeping gas to flow from the gas treatment module to the first gas distribution channel and the second gas distribution channel. As an alternative embodiment, the ratio of the minimum cross-sectional areas of the first air distribution channel and the second air distribution channel is C to D; Wherein A is greater than or equal to B, C is greater than or equal to D and C is between A4B/5 and A6B/5, or A < B, C < D and C is between A4B/5 and A6B/5. As an alternative embodiment, the first gas distribution channel has a first gas distribution port formed on the integrated module, the first gas distribution port defining a minimum cross section of the first gas distribution channel; The second gas distribution channel has a second gas distribution port formed on the integrated module, the second gas distribution port defining a minimum cross-section of the second gas distribution channel. As an optional embodiment, the air distribution module further includes a gravity baffle disposed at the second air distribution channel; the fan is provided with more than two gears with different rotating speeds, and corresponds to different gears, and the gravity separation blade rotates to different angles under the air flow drive in the second air distribution channel. As an alternative embodiment, the fan is provided with a first gear of a rotating speed v1, a second gear of a rotating speed