EP3699520B1 - Refrigeration appliance - Google Patents

Refrigeration appliance Download PDF

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Publication number
EP3699520B1
EP3699520B1 EP20152895.7A EP20152895A EP3699520B1 EP 3699520 B1 EP3699520 B1 EP 3699520B1 EP 20152895 A EP20152895 A EP 20152895A EP 3699520 B1 EP3699520 B1 EP 3699520B1
Authority
EP
European Patent Office
Prior art keywords
groove
air duct
liner
side wall
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP20152895.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3699520A1 (en
Inventor
Xiupeng Chen
Xuan Zhou
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP3699520A1 publication Critical patent/EP3699520A1/en
Application granted granted Critical
Publication of EP3699520B1 publication Critical patent/EP3699520B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0664—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the side
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/066—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply
    • F25D2317/0665—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation characterised by the air supply from the top

Definitions

  • Embodiments of the patent relate to the technical field of household appliances, and in particular, to a refrigeration appliance.
  • a fan is usually used to blow cold air to each compartment of the refrigerator for refrigeration.
  • an air duct in the frost-free refrigerator usually needs to occupy space of a storage compartment, resulting in a relatively small volume of the storage compartment.
  • Embodiments of the patent are intended to reduce space occupied by an air duct in a storage compartment.
  • a refrigeration appliance including a housing, a liner, and an air duct assembly configured to define an air duct, the liner being located inside the housing, a back wall of the liner being recessed toward the housing to form a groove, and the air duct being located in the groove.
  • the back wall of the liner of the refrigeration appliance is recessed in a direction toward the housing to form the groove.
  • the air duct assembly may define one air duct, and the air duct is disposed in the groove. Because the groove is formed, on a basis of a storage compartment formed in the liner, with the back wall recessed in the direction toward the housing, space occupied by the air duct in the storage compartment can be reduced. In addition, overall consistency inside the storage compartment of the refrigeration appliance may further be improved.
  • the groove includes at least one curved side wall, two ends of the curved side wall being respectively connected to the back wall of the liner and a side wall of the groove.
  • the curved side wall is used to guide air, so that an appearance of the storage compartment can be optimized, and integrity of the storage compartment can be improved.
  • cold air is blown out through the curved side wall formed by the groove, to prevent air from hitting a side wall of the liner, thereby reducing air resistance and directing air forward.
  • the curved side wall is tangent to the back wall of the liner, so that the air resistance can further be reduced, wind field can be optimized, a cooling speed in the storage compartment can be increased, thereby facilitating cooling of food materials.
  • the curved side wall is tangent to the side wall of the groove, so that the air resistance can further be reduced, wind field can be optimized, a cooling speed in the storage compartment can be increased, thereby facilitating cooling of food materials.
  • the groove includes a curved top wall being connected to a top wall of the liner.
  • the curved top wall is tangent to the top wall of the liner.
  • the air duct assembly includes a front cover plate and an air duct member, the air duct member being located between the front cover plate and a back wall of the groove.
  • the front cover plate protrudes from a plane on which a notch of the groove is located.
  • a distance by which the front cover plate protrudes from the plane on which the notch of the groove is located is not greater than 10 mm.
  • a gap is provided between a side end of the front cover plate and the curved side wall of the groove for cold air to flow out.
  • FIG. 1 is a schematic structural diagram of a refrigeration appliance according to an embodiment of the patent.
  • FIG. 2 is a cross-sectional view of FIG. 1 taken along a direction A-A.
  • FIG. 3 is a partial enlarged view of FIG. 2 at I.
  • FIG. 4 is a cross-sectional view of FIG. 1 taken along a direction B-B.
  • FIG, 5 is a partial schematic structural diagram of a refrigeration appliance according to an embodiment of the patent. A specific structure of the refrigeration appliance is described below with reference to FIG. 1 to FIG. 5 .
  • a refrigeration appliance 100 may include a housing 10, a liner 20, and an air duct assembly 30.
  • the liner 20 is located inside the housing 10.
  • a portion of a back wall 21 of the liner 20 is recessed toward the housing 10 to form a groove 40.
  • the air duct assembly 30 defines an air duct 50, the air duct 50 providing a flow passage for air blown by a fan, and the air duct 50 being located in the groove 40.
  • the air duct assembly 30 may include a plurality of components, where some components may be located in the groove 40, and other components may be located outside the groove 40.
  • the air duct assembly 30 includes an air duct member 32 and a front cover plate 31. The air duct member 32 is located in the groove 40, and the front cover plate 31 is located outside the groove 40.
  • the groove 40 for accommodating the air duct 50 is formed by the portion of the back wall of the liner 20 being recessed in a direction toward the housing 10, so that there is no need to occupy too much space in the storage compartment. Therefore, in comparison to the prior art in which an air duct needs to be disposed in a storage compartment, space occupied by the air duct 50 in the storage compartment can be effectively reduced.
  • the air duct assembly 30 configured to define the air duct 50 is at least partially located in the groove, that is, only a small portion of the components of the air duct assembly 30 may protrude from the groove 40, so that overall consistency in the storage compartment of the refrigeration appliance 100 can be improved.
  • a manner in which the air duct 50 and the air duct assembly 30 provided in the embodiments of the patent are arranged is used, so that a distance between the air duct assembly 30 and the liner 20 can be shortened, a distance between a glass shelf and the air duct assembly 30 can be reduced, and a volume of the refrigeration appliance 100 can be increased.
  • the groove 40 includes at least one curved side wall 41. Two ends of the curved side wall 41 are respectively connected to the back wall 21 of the liner 20 and a side wall 43 of the groove 40.
  • the groove 40 may include one curved side wall 41, or may include two curved side walls 41.
  • a specific quantity of curved side walls 41 disposed in the groove 40 may be set according to factors such as a quantity of air outlets of the air duct assembly 30, a size or an arranging position of an air outlet of the air duct assembly 30.
  • the disposed curved side wall 41 can guide air without needing to dispose additional air guide components, so that a quantity of components of the refrigeration appliance 100 can be reduced, and a structure of the refrigeration appliance 100 can be simplified.
  • installation steps can be reduced, and costs of refrigeration appliance 100 can be reduced.
  • the curved side wall 41 is tangent to the back wall 21 of the liner 20.
  • air can be prevented from hitting a side wall of the liner 20, so that air resistance is reduced and air can be directed forward.
  • air may be guided to a front end of the liner 20, that is, a region that is of the liner 20 and that is close to a door of a refrigerator, to optimize a wind field, thereby increasing a cooling speed in the storage compartment, and facilitating cooling of food materials.
  • a direction of arrows in FIG. 2 and FIG. 4 is an approximate direction of cold air.
  • the curved side wall 41 is tangent to the side wall 43 of the groove 40, and air can be guided out along the curved side wall 41 and in a direction in which the curved side wall 41 is tangent to the side wall 43 of the groove 40, to reduce the wind resistance, so that the air resistance can further be reduced, and the cooling speed in the storage compartment can be increased.
  • the groove 40 may further include a curved top wall 42.
  • the curved top wall 42 is connected to a top wall 22 of the liner 20.
  • the curved top wall 42 is tangent to the top wall 22 of the liner 20, and cold air flowing out from the curved top wall 42 can be guided out from the curved top wall 42 and in a direction in which the curved top wall 42 is tangent to the top wall 22 of the liner 20, so that the air resistance can further be reduced, the wind field can be optimized, the cooling speed in the storage compartment can be increased, thereby facilitating the cooling of food materials.
  • the curved side wall 41 or the curved top wall 42 is used to guide air, so that an appearance of the storage compartment can be optimized, and integrity of the storage compartment is improved.
  • cold air is blown out through a curved surface presented by the groove 40, to prevent the air from hitting the side wall of the liner 20, thereby reducing the air resistance and directing air forward.
  • the air duct assembly 30 includes the front cover plate 31 and the air duct member 32.
  • the air duct member 32 is located between the front cover plate 31 and a back wall 45 of the groove 40.
  • a gap is provided between a side end 31a of the front cover plate 31 and the curved side wall 41 of the groove 40 for cold air to flow out.
  • the air duct member 32 is provided with an air outlet. When the fan operates, cold air is blown out through the air outlet, and under guidance of the curved side wall 41 or the curved top wall 42, cold air flows out through the gap between the side end 31a of the front cover plate 31 and the curved side wall 41 of the groove 40 and enters the storage compartment, and then returns to the air duct assembly 30 through a return air inlet disposed at bottom of the liner 20, so that a cycle is completed.
  • several air outlets may be disposed at one side of the air duct member 32, or several air outlets may be disposed at two sides of the air duct member 32, or several air outlets may be disposed at a top of the air duct member 32, or air outlets may be disposed at two sides and the top of the air duct member 32.
  • stiffeners 311 are disposed on the front cover plate 31.
  • the air duct member 32 is located in the groove 40, and the front cover plate 31 is located outside the groove 40. It may be understood that the front cover plate 31 may also be disposed in the groove 40 according to an actual application requirement.
  • the front cover plate 31 may protrude from a plane on which a notch of the groove 40 is located, so that overall consistency in the storage compartment of the refrigeration appliance 100 can be improved, thereby achieving a better overall effect of the storage compartment.
  • the front cover plate 31 may be connected to the curved side wall 41 of the groove 40.
  • a hook is disposed on the front cover plate 31, a slot corresponding to the hook is disposed on the curved side wall 41, and the front cover plate 31 is engaged with the curved side wall 41.
  • the front cover plate 31 is connected to the side wall 43 of the groove 40.
  • a distance d by which the front cover plate 31 protrudes from the plane on which the notch of the groove 40 is located is not greater than 10 mm.
  • the distance by which the front cover plate 31 protrudes from the plane on which the notch of the groove 40 is located is 5 mm.
  • the distance d by which the front cover plate 31 protrudes from the plane on which the notch of the groove 40 is located may be set based on an actual size, refrigerating capacity, and the like of the storage compartment of the refrigeration appliance 100.
  • the air duct assembly 30 further includes a rear cover plate 33.
  • the rear cover plate 33 is located between the air duct member 32 and the back wall 45 of the groove 40, and the rear cover plate 33 may be fixed to the back wall 45 of the groove 40.
  • the air duct assembly 30 includes a seal, the seal being located between the air duct member 32 and the back wall 45 of the groove 40.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP20152895.7A 2019-02-20 2020-01-21 Refrigeration appliance Active EP3699520B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920215208.3U CN209819989U (zh) 2019-02-20 2019-02-20 制冷器具

Publications (2)

Publication Number Publication Date
EP3699520A1 EP3699520A1 (en) 2020-08-26
EP3699520B1 true EP3699520B1 (en) 2023-05-31

Family

ID=68873377

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20152895.7A Active EP3699520B1 (en) 2019-02-20 2020-01-21 Refrigeration appliance

Country Status (3)

Country Link
EP (1) EP3699520B1 (pl)
CN (1) CN209819989U (pl)
PL (1) PL3699520T3 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113137817A (zh) * 2021-04-26 2021-07-20 合肥朗驰工业设计有限公司 冰箱风道结构、冰箱冷藏风道、冰箱冷冻风道和冰箱
EP4650692A1 (en) * 2024-05-14 2025-11-19 BSH Hausgeräte GmbH Refrigerating appliance

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3009338A (en) * 1959-10-01 1961-11-21 Westinghouse Electric Corp Refrigeration apparatus
US3043114A (en) * 1961-01-09 1962-07-10 Gen Motors Corp Temperature controls for refrigerating apparatus
US3575011A (en) * 1969-02-18 1971-04-13 Whirlpool Co Forced air freezer
US3633375A (en) * 1970-04-15 1972-01-11 Westinghouse Electric Corp Refrigerator cooling system design
DE8914076U1 (de) * 1989-11-29 1990-01-18 Bosch-Siemens Hausgeräte GmbH, 8000 München Kühlgerät, insbesondere Haushalts-Kühlschrank o.dgl.

Also Published As

Publication number Publication date
PL3699520T3 (pl) 2023-08-28
EP3699520A1 (en) 2020-08-26
CN209819989U (zh) 2019-12-20

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