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CN-116249868-B - Refrigerator with a refrigerator body

CN116249868BCN 116249868 BCN116249868 BCN 116249868BCN-116249868-B

Abstract

The cooling system comprises a1 st storage chamber of a freezing temperature zone, a2 nd storage chamber of a2 nd temperature zone higher than the freezing temperature zone, a cooler (72) with different cooling capacities according to positions for cooling ambient air, a cooler chamber (7) for accommodating the cooler, a blower (71) arranged in the cooler chamber, a partition wall (6) for separating at least one chamber of the 1 st storage chamber and the 2 nd storage chamber from the cooler chamber (7) in front of and behind, a1 st air path for conveying air from the cooler chamber (7) to the 1 st storage chamber, a2 nd air path for conveying air from the cooler chamber (7) to the 2 nd storage chamber, a 3 rd air path for returning air from the 1 st storage chamber to the cooler chamber, and a4 th air path (61D) for returning air from the 2 nd storage chamber to the cooler chamber, wherein the 3 rd air path has an air path formed in at least a part of the partition wall (6) and extending in the up-down direction for supplying air from the 1 st storage chamber to a cooling area of the cooler which is lower than the 1 st storage area of the cooling capacity of the cooler.

Inventors

  • Suwa Visits Filial Piety Code
  • KOBAYASHI FUMINORI
  • TSUCHIDA KENTARO

Assignees

  • 三菱电机株式会社

Dates

Publication Date
20260508
Application Date
20211104
Priority Date
20201105

Claims (17)

  1. 1. A refrigerator, wherein the refrigerator comprises: A2 nd storage compartment of a2 nd temperature zone higher than the freezing temperature zone; a cooler for cooling ambient air, the cooling capacity of which varies depending on the location; A cooler chamber that houses the cooler; A blower disposed in the cooler chamber; A partition wall that partitions at least one of the 1 st storage chamber and the 2 nd storage chamber from the cooler chamber back and forth; A1 st air path that conveys air from the cooler room to the 1 st reservoir room, a 2 nd air path that conveys air from the cooler room to the 2 nd reservoir room, a3 rd air path that returns air from the 1 st reservoir room to the cooler room, and a4 th air path that returns air from the 2 nd reservoir room to the cooler room, A circulation path is formed by the 1 st storage room, the 2 nd storage room, the 1 st air path, the 2 nd air path, the 3 rd air path, the 4 th air path, and the cooler, The blower is disposed downstream of the cooler in the circulation path, and sends out the air cooled by the cooler to the 1 st and 2 nd storage chambers through the 1 st and 2 nd air passages, respectively, and sucks the air from the 1 st and 2 nd storage chambers through the 3 rd and 4 th air passages, The 4 th air path supplies air sucked from the 2 nd storage chamber to the 1 st region of the cooler, The 3 rd air passage has an air passage formed in the partition wall and extending in the vertical direction in at least a part thereof, and supplies air sucked from the 1 st storage chamber to a 2 nd region of the cooler having a cooling capacity lower than that of the 1 st region.
  2. 2. The refrigerator of claim 1, wherein, The cooler is a fin-tube type cooler having refrigerant tubes in which fins are arranged, and the fins provided in the refrigerant tubes in the 2 nd region have a lower arrangement density than the fins provided in the 1 st region.
  3. 3. The refrigerator of claim 2, wherein, The cooler has the refrigerant tube formed by alternately connecting a plurality of straight tubes and a plurality of U-shaped tubes in a zigzag manner, wherein the plurality of fins are arranged on the straight tubes, are arranged perpendicularly to the refrigerant tube and are arranged along the refrigerant tube, the cooler is supported by two side plates, the two side plates are arranged perpendicularly to the straight tubes at the boundary between the straight tubes and the U-shaped tubes, and have holes for wrapping the U-shaped tubes, The 1 st opening of the 3 rd air duct facing the cooler chamber is opposed to a region between the side plate and a wall of the cooler chamber.
  4. 4. The refrigerator of claim 3, wherein, The number of the 3 rd air passages is more than two, The 1 st opening of the 3 rd air duct is opposed to both a region between one of the side plates and the wall of the cooler chamber and a region between the other of the side plates and the wall of the cooler chamber.
  5. 5. The refrigerator of claim 3 or 4, wherein, The 1 st opening of the 3 rd air duct is formed at a position overlapping the side plate in the height direction.
  6. 6. The refrigerator of claim 4 or 5, wherein, The 1 st opening of the 3 rd air duct formed in two or more of the partition walls is formed at a horizontal interval.
  7. 7. The refrigerator of claim 3, wherein, The 1 st area is an area of the inner side sandwiched by the two side plates, The 2 nd region is a region outside the two side plates, The 1 st opening of the 3 rd air passage formed in the partition wall is opposed to at least a part of the 2 nd region from the front, and air passing through the 3 rd air passage is supplied to the 2 nd region, The air from the 2 nd storage chamber is supplied from below to the cooler by the 4 th air duct, and the air supplied to the 2 nd region is supplied to the 1 st region while blocking the entry into the 2 nd region.
  8. 8. The refrigerator of claim 7, wherein, The 1 st opening of the 3 rd air passage is opposed to a lower end portion of the cooler.
  9. 9. The refrigerator of any one of claims 1 to 8, wherein, The jet pressure of the air supplied from the 3 rd air passage is greater than the jet pressure of the air supplied from the 4 th air passage.
  10. 10. The refrigerator of any one of claims 1 to 9, wherein, And a lattice member extending in the up-down direction and arranged in a plurality of horizontal directions is provided at the 2 nd opening portion of the 3 rd air duct toward the 1 st storage chamber.
  11. 11. The refrigerator of any one of claims 1 to 9, wherein, A guide member is provided at a2 nd opening portion of the 3 rd air path toward the 1 st storage chamber, the guide member guiding air passing through the 2 nd opening portion, The guide member extends in a horizontal direction and is provided in plurality at intervals in an up-down direction.
  12. 12. The refrigerator of claim 11, wherein, The guide member is disposed so as to be inclined so as to rise in a direction in which the cooler chamber is provided.
  13. 13. The refrigerator of any one of claims 1 to 9, wherein, In the case where the partition wall partitions at least the cooler chamber from the 1 st storage chamber back and forth, An upper protruding portion and a lower protruding portion are provided in the partition wall, the upper protruding portion being inclined downward toward the 1 st storage chamber, the lower protruding portion being inclined upward toward the 1 st storage chamber, The 3 rd air passage is defined by the upper protruding portion above the 2 nd opening portion facing the 1 st storage compartment, the lower protruding portion below the 2 nd opening portion, The lower protruding portion protrudes from the partition wall by a larger amount than the upper protruding portion protrudes from the partition wall.
  14. 14. The refrigerator of any one of claims 1 to 13, wherein, The 3 rd air passage formed in the partition wall increases in height from the 1 st storage chamber toward the direction in which the cooler chamber is provided.
  15. 15. The refrigerator of any one of claims 1 to 14, wherein the refrigerator is provided with: A temperature information acquisition unit that acquires temperature information indicating the temperature of the 2 nd storage room; a swing blade provided in the 3 rd air passage; a damper provided in the 2 nd air passage, and And a control unit that controls the flap and the damper based on the temperature information acquired by the temperature information acquisition unit.
  16. 16. The refrigerator of claim 15, wherein, When the damper is opened, the swing blade is inclined to change the flow direction of air, so that the air flowing from the 3 rd air path into the cooler chamber flows into a region where the cooling capacity of the cooler is relatively low.
  17. 17. The refrigerator of claim 15, wherein, When the damper is closed, the swing blade is inclined to change the flow direction of air, so that the air flowing from the 3 rd air path into the cooler chamber flows into a region where the cooling capacity of the cooler is relatively high.

Description

Refrigerator with a refrigerator body Technical Field The present disclosure relates to a refrigerator. Background The refrigerator has a storage chamber such as a freezing chamber and a refrigerating chamber, and the storage chamber is connected to a cooler chamber provided with a cooler through an air path. In a refrigerator, a fin-tube type cooler is generally used, in which fins for improving cooling capacity are arranged on a refrigerant tube. The air cooled by the cooler is blown out into the storage chamber by the blower through the air passage, and the air in the storage chamber is sucked back into the cooler chamber through the other air passage. The air around the cooler is cooled by the cooler. At this time, as the temperature of the air decreases, the humidity increases, and moisture in the air frosts and adheres to the surface of the cooler. Thereby, moisture in the air is removed, and the air is dehumidified. Thus, in the cooler, cooling and dehumidification are performed simultaneously. The fin-tube type cooler has a refrigerant tube through which a refrigerant flows, and the refrigerant tube exchanges heat with ambient air. Fins for increasing the heat conduction area are installed on the refrigerant tube, and the cooling capacity is improved. The refrigerant tube has a meandering shape, and includes a linear portion and a bent portion bent in a U-shape. In the straight portion, thin-walled tubes are used to improve cooling capacity, and fins are arranged at a certain arrangement density. On the other hand, a thick-walled tube is used for the bent portion, and the strength of the entire refrigerant tube is ensured at the bent portion. The side plate supports an end of the bent portion near the linear portion. The cooling capacity is low because the refrigerant tube has no fin at the bent portion on the outer side than the side plate. The air in the refrigerating compartment contains outside air and water vapor emitted from food. Therefore, when the air in the refrigerator compartment passes through the cooler in a state of insufficient cooling and dehumidification by passing through the outside of the side plate, the air flowing from the refrigerator having a lower temperature into the cooler compartment is cooled to a dew point or lower around the blower. Then, condensation occurs around the blower, and further, the condensed water freezes at the operation portion of the blower. As a result, the blower may no longer operate normally. In the refrigerator disclosed in patent document 1, in order to solve the above-mentioned concern, an air barrier is attached to an upper portion of the gap outside the side plate so as to suppress the flow of air returning from the refrigerating chamber into the gap outside the side plate. Prior art literature Patent literature Patent document 1 Japanese patent application No. 4930721 Disclosure of Invention Problems to be solved by the invention However, there is still a gap between the baffle plate and the wall of the cooler compartment and return air from the fresh food compartment may still flow further outboard than the side panels. Accordingly, there is room for improvement in preventing ice formation in the blower. An object of the present disclosure is to provide a refrigerator capable of suppressing ice formation in a blower. Means for solving the problems The refrigerator of the present disclosure includes a1 st storage chamber of a freezing temperature zone, a 2 nd storage chamber of a 2 nd temperature zone higher than the freezing temperature zone, a cooler having a difference in cooling capacity according to a position, a cooler chamber accommodating the cooler, a blower disposed inside the cooler chamber, a partition wall separating at least one of the 1 st storage chamber and the 2 nd storage chamber from the cooler chamber, a1 st air path transporting air from the cooler chamber to the 1 st storage chamber, a 2 nd air path transporting air from the cooler chamber to the 2 nd storage chamber, a3 rd air path returning air from the 1 st storage chamber to the cooler chamber, and a4 th air path returning air from the 2 nd storage chamber to the cooler chamber. The cooling device comprises a1 st storage chamber, a 2 nd storage chamber, a1 st air passage, a 2 nd air passage, a3 rd air passage, a4 th air passage and a cooler, wherein the blower is arranged at a position on the downstream side of the cooler in the circulation path, the air cooled by the cooler is sent out to the 1 st storage chamber and the 2 nd storage chamber through the 1 st air passage and the 2 nd air passage respectively, the air is sucked from the 1 st storage chamber and the 2 nd storage chamber through the 3 rd air passage and the 4 th air passage, the 4 th air passage supplies the air sucked from the 2 nd storage chamber to the 1 st region of the cooler, the 3 rd air passage has an air passage formed on at least a part of a partition wall and extending in the vertical directi