EP2818810A2 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

Info

Publication number
EP2818810A2
EP2818810A2 EP14172718.0A EP14172718A EP2818810A2 EP 2818810 A2 EP2818810 A2 EP 2818810A2 EP 14172718 A EP14172718 A EP 14172718A EP 2818810 A2 EP2818810 A2 EP 2818810A2
Authority
EP
European Patent Office
Prior art keywords
cold air
drawer
blocking portion
storage compartment
wall
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.)
Granted
Application number
EP14172718.0A
Other languages
German (de)
English (en)
Other versions
EP2818810B1 (fr
EP2818810A3 (fr
Inventor
Jingpeng Hao
Lizhu Liang
Songtao Lu
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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2818810A2 publication Critical patent/EP2818810A2/fr
Publication of EP2818810A3 publication Critical patent/EP2818810A3/fr
Application granted granted Critical
Publication of EP2818810B1 publication Critical patent/EP2818810B1/fr
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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • 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
    • F25D2317/062—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 along the inside of doors
    • 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
    • F25D2317/063—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 with air guides

Definitions

  • the present invention relates to a refrigerator.
  • condensation may occur in some areas of a refrigerator.
  • a known solution is to raise the temperature of these areas by using a heat source.
  • an electrical heating component is disposed in areas where condensation occurs easily or a thermal tube in a refrigeration cycle of a refrigerator is arranged in these areas.
  • Chinese Utility Model CN202582004U discloses that a thermal guiding piece is used as a thermal bridge to connect a high-temperature area and a low-temperature area, thereby lowering the possibility that condensation occurs in the low-temperature area.
  • An object of the present invention is to provide a refrigerator which is advantageous for preventing dew.
  • An aspect of the present invention relates to a refrigerator, which includes: a cabinet having a storage compartment; a door for closing the storage compartment; and a cold air flow path located inside the storage compartment and disposed along a wall of the storage compartment; characterized in that the wall has a cold air blocking portion located in front of the cold air flow path to block cold air from flowing towards the door.
  • the refrigerator may have a drawer located inside the storage compartment, and the cold air flow path is located between the wall and drawer.
  • the refrigerator may include an air channel cover plate, the cold air flow path is located between the air channel cover plate and the wall, and the cold air blocking portion is located in front of the air channel cover plate.
  • the refrigerator includes a drawer located inside the storage compartment, and the cold air blocking portion is located between the drawer located inside the storage compartment and the door in a front-rear direction, that is, the cold air blocking portion is located in front of the drawer.
  • the wall may be a top wall of the storage compartment.
  • This in one aspect, is good for cold air, which is flowed out of m the cold air flow path disposed along the top wall, to flow downwards to make the temperature inside the storage compartment more balanced, and in another aspect, it is advantageous for reducing possibility that dew occurs on atop portion of the door.
  • An embodiment of the present invention relates to a refrigerator, which includes: a cabinet having a storage compartment; a door for closing the storage compartment; a drawer located inside the storage compartment, a gap being provided in the vertical direction between a front wall of the drawer and a top wall of the storage compartment; and a cold air outlet located between the drawer and the top wall in the vertical direction; characterized by comprising, a cold air blocking portion located between the cold air outlet and the door , and the cold air blocking portion at least partially covers the gap in a front-rear direction.
  • the temperature of the door By reducing cold air that passes between the drawer and the top wall to flow to the door or adjacent area of the door the door, it may be avoided that the temperature of the door, especially the top portion of the door that is close to the top wall of the storage compartment in a longitudinal direction, decreases to such an extent that condensation may occur easily or a high output heat source has to be used to increase the temperature thereon resulting in loss of more energy.
  • the cold air blocking portion may also be disposed on other positions, for example, on the door or the drawer; however, in a preferable embodiment, the cold air blocking portion is provided on the top wall, which not only avoids impairment of appearance of the refrigerator because of clear exposure of the cold air blocking portion to a user, but also allows normal use of the drawer and the door that are often moved.
  • the cold air blocking portion may be close to a front wall of the drawer, which not only improves efficiency of preventing cold air from flowing through the gap by the cold air blocking portion, but also further helps to reduce impacts on an air circulation system of the refrigerator by the cold air blocking portion.
  • the cold air blocking portion may be located behind the front wall, so as to avoid clear exposure of the cold air blocking portion to the user and also avoid interference between the front wall of the drawer and the cold air blocking portion when the drawer is pulled.
  • a gap required between the door and the drawer of the refrigerator in a front-rear direction is also not necessarily affected, that is, it is expectable not to change the structures of the door and drawer of the refrigerator to adapt to the cold air blocking portion.
  • the cold air blocking portion may extend in a horizontal direction along an upper end of the front wall of the drawer.
  • the cold air blocking portion extends horizontally along most of the width of the front wall of the drawer, so as to enhance blocking efficiency of the cold air blocking portion.
  • the cold air blocking portion and the front wall of the drawer overlap in a front-rear direction.
  • the lower end of the cold air blocking portion is lower than an upper end surface of the front wall of the drawer, which therefore further helps to block cold air from blowing from the upper end of the drawer to the door of the refrigerator.
  • two ends of the cold air blocking portion do not exceed a corresponding sidewall of the drawer in a horizontal direction.
  • the two ends of the cold air blocking portion may be close to an inside of the corresponding sidewall of the drawer or the cold air blocking portion and an inner surface of the sidewall of the drawer are flush. In such a manner, the height of the sidewall of the drawer may be not necessarily confined by the cold air blocking portion.
  • a plurality of through holes may be provided on the front wall and/or a bottom wall of the drawer, and cold air turns downwards from the cold air blocking portion into the drawer and flows out the drawer via the through holes.
  • the cold air blocking portion is formed by an elongate protrusion bar protruding from the top wall.
  • the cold air blocking portion is a rod fabricated independently from the cabinet and is fastened to the cabinet through a fastening member.
  • the cold air blocking portion may also include a part of an inner liner of the cabinet and is directly integrated on a wall of the cabinet.
  • the door may include a handle groove located on a side portion of the door, and the cold air blocking portion and the handle groove overlap in a front-rear direction, so as to lower the possibility of condensation on a side portion having the handle groove.
  • FIG. 1 is a schematic partial sectional view of a refrigerator 1 according to a preferable embodiment of the present invention.
  • the refrigerator 1 includes a cabinet 2 having at least one storage compartment 20 and a door 3 connected to the cabinet 2 for closing or open at least a part of the storage compartment 20.
  • a handle groove 31 is provided on an upper side portion of the door 3. In a front-rear direction, the thickness of a thermal insulating layer of an area where the handle groove 31 is provided is decreased. In this embodiment, the bottom of the handle groove 31 is located in a frame surrounding by a sealing gasket 32.
  • the cabinet 2 may include a box-shaped inner liner 21 for defining the storage compartment 20, an outer shell 22 surrounding the inner liner 21 and spaced apart from the inner liner 21 by a predetermined distance, and a thermal insulation layer 23 located between the inner liner 21 and the outer shell 22.
  • the storage compartment 20 is defined by an upper wall 24, a lower wall (not shown), a rear wall 26, and a pair of sidewalls (not shown) that are thermally insulating and have a front opening 201 opened or closed by the door 3.
  • An air channel assembly 6 is provided at a rear portion of the storage compartment 20 to divide a cooling compartment 202 at the rear portion of the storage compartment 20.
  • An evaporator 4 and a fan 5 are provided inside the cooling compartment 202.
  • the fan 5 is located above the evaporator 4.
  • the evaporator 4 may be a fin-type evaporator.
  • the first drawer 71 may be fastened to an inner side of the door 3 and is movable together with the door 3.
  • the second drawer 72 is located above the first drawer 71.
  • An upper end of the second drawer 72 is open, and includes a bottom wall 74 and peripheral walls 75 extending upwards from edges of the bottom wall.
  • An upper portion of the front wall 751 among the peripheral walls 75 may provide with a handle portion 77.
  • An upper end of the front wall 751 of the second drawer 72 is close to the upper wall 24 but is distanced by a gap G from the upper wall 24.
  • a front end of the second drawer 72 is close to the front opening 201 of the storage compartment 20.
  • the air channel assembly 6 has a plurality of cold air outlets 61, 62 that communicate the cooling compartment 202 with the storage area 203 to convey air cooled by the evaporator 4 into the storage area 203.
  • the cold air outlets 61, 62 are located at different heights.
  • One or more cold air outlets may be distributed at different heights, respectively.
  • the first cold air outlet 61 is located at the upper portion of the storage compartment 20 and is close to the upper wall 24. A part of cold air that enters the storage area 203 via the first cold air outlet 61 may enter the second drawer 72. As indicated by the arrowed dotted-line, another part of cold air that flows out from the first cold air outlet 61 flows forwardly along the gap between the second drawer 72 and the upper wall 24, while a cold air flow path AP is formed between the second drawer 72 and the upper wall 24.
  • the refrigerator 1 includes a cold air blocking portion 8 that at least partially covers the gap G between the front portion of the second drawer 72 and the upper wall 24 in a front-rear direction (that is, in the depth direction of the storage compartment 20).
  • the cold air blocking portion 8 located in front of the cold air flow path AP prevents at least a part of cold air from flowing through the gap G towards the door 3, thereby reducing temperature difference between inside and outside of the upper side portion of the door 3.
  • the cold air blocking portion 8 and the handle groove 31 overlap in a front-rear direction which may reduce cold air from flowing to a side portion, having the handle groove 31, of the door 3, so as to lower the probability of condensation in the handle groove 31.
  • the cold air blocking portion 8 is located on the upper wall 24, connected to the upper wall 24, and protrudes downwards.
  • the cold air blocking portion 8 has a shape of an elongate protrusion bar protruding from the upper wall 24, and is fabricated independently from the upper wall 24 and then fastened to the upper wall 24 through a fastening member.
  • the cold air blocking portion 8 is an elongate rod that is hollow and has a rectangular section.
  • the cold air blocking portion 8 has a pair of fastening holes 81, and the cold air blocking portion 8 is fastened on the upper wall 24 by screws (not shown) passing through the fastening holes 81.
  • the cold air blocking portion 8 is close to the front wall 751 of the second drawer 72 and is located behind the front wall 751 of the second drawer 72. Two ends of the cold air blocking portion 8 do not exceed the corresponding sidewall 752 of the second drawer 72 horizontally.
  • the cold air blocking portion 8 extends along the handle portion 77 at the upper end of the front wall 751, enters the second drawer 72 in longitudinal direction, and overlaps with the front wall 751 of the second drawer 72 in a front-rear direction. Therefore, in an area provided with the cold air blocking portion 8, the gap G is completely covered.
  • a plurality of through holes 753 are provided on the front wall 751 and/or the bottom wall 74 of the second drawer 72. Cold air is blocked by the cold air blocking portion 8, flows into the second drawer 72, and then flows out the second drawer 72 via the through holes 753. Next, the cold air flows downwards to the first drawer 71. Similar through holes may also be provided on the front wall of the first drawer 71 to discharge the air.
  • air that has undergone heat exchange with articles inside the storage area 203 may be sucked into the cooling compartment 202 via an air inlet (not shown) located at the bottom of the storage compartment 20, be cooled by the evaporator 4, and enter the storage compartment 20 again via the cold air outlets 61, 62, so as to implement a forced circulation inside the storage compartment 20.
  • FIG. 3 is a schematic sectional view of a refrigerator 1' according to another embodiment of the present invention.
  • the refrigerator 1' includes an L-shaped air channel cover plate 6' located inside a storage compartment 20', where a cold air flow path AP1 is formed between the air channel cover plate 6' and a rear wall 26' and an upper wall 24' of the storage compartment 20'.
  • the cold air flow path AP1 includes at least one cold air outlet 61' located at the front end of the cold air flow path AP1.
  • the upper wall 24' cold air flows from rear to front inside the cold air flow path AP1.
  • a cold air blocking portion 8' is located in front of the air channel cover plate 6' to be located in front of the cold air outlet 61', and is close to a front opening 201'. Therefore, cold air that directly flows to a part of the door 3', which part is overlapped with cold air outlet 61' in the vertical direction, is significantly reduced, thereby reducing a temperature difference between inside and outside of a side portion, where dew usually trends to occur , of the door 3'. Air that has undergone heat exchange may return inside the cold air flow path AP1 via an inlet 63 located at the bottom of the storage compartment 20'.
  • the cold air blocking portion 8' is located in front of the drawer 72' to be located between the drawer 72' and the door 3'. A predetermined distance is kept between the cold air blocking portion 8' and the front wall of the drawer 72' to allow cold air to flow beyond the front of the drawer 72' and then flow downwards.
  • FIG. 1 to FIG. 3 may be combined in any given manner to implement advantages of the present invention.
  • the present invention is not limited to the shown embodiments, and generally measures other than those shown may also be adopted as long as these measures can also achieve the same effect.

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)
  • Refrigerator Housings (AREA)
EP14172718.0A 2013-06-26 2014-06-17 Réfrigérateur Active EP2818810B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310263749.0A CN104251587B (zh) 2013-06-26 2013-06-26 冰箱

Publications (3)

Publication Number Publication Date
EP2818810A2 true EP2818810A2 (fr) 2014-12-31
EP2818810A3 EP2818810A3 (fr) 2015-04-29
EP2818810B1 EP2818810B1 (fr) 2020-06-10

Family

ID=50943188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14172718.0A Active EP2818810B1 (fr) 2013-06-26 2014-06-17 Réfrigérateur

Country Status (2)

Country Link
EP (1) EP2818810B1 (fr)
CN (1) CN104251587B (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106918191A (zh) * 2017-03-08 2017-07-04 Tcl家用电器（合肥）有限公司 冰箱及其果菜盒
CN109764596A (zh) * 2018-12-10 2019-05-17 青岛海尔股份有限公司 冰箱及其控制方法
CN113531987A (zh) * 2020-04-17 2021-10-22 海信（山东）冰箱有限公司 冰箱

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588585A (zh) * 2016-07-06 2018-01-16 博西华电器（江苏）有限公司 制冷器具
JP6993797B2 (ja) * 2017-06-21 2022-01-14 東芝ライフスタイル株式会社 冷蔵庫
CN112648768B (zh) * 2019-10-09 2024-03-15 青岛海尔特种电冰柜有限公司 冷柜
CN113531988B (zh) * 2020-04-17 2023-02-03 海信冰箱有限公司 冰箱

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202582004U (zh) 2011-12-22 2012-12-05 博西华电器（江苏）有限公司 制冷器具

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101893361B (zh) * 2009-05-22 2016-01-20 博西华家用电器有限公司 冰箱
JP5870235B2 (ja) * 2009-09-24 2016-02-24 パナソニックＩｐマネジメント株式会社 冷蔵庫
DE102010028525A1 (de) * 2010-05-04 2011-11-10 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Umluftkühlung
JP5903570B2 (ja) * 2011-10-06 2016-04-13 パナソニックＩｐマネジメント株式会社 冷蔵庫

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202582004U (zh) 2011-12-22 2012-12-05 博西华电器（江苏）有限公司 制冷器具

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106918191A (zh) * 2017-03-08 2017-07-04 Tcl家用电器（合肥）有限公司 冰箱及其果菜盒
CN106918191B (zh) * 2017-03-08 2020-11-10 Tcl家用电器（合肥）有限公司 冰箱及其果菜盒
CN109764596A (zh) * 2018-12-10 2019-05-17 青岛海尔股份有限公司 冰箱及其控制方法
CN113531987A (zh) * 2020-04-17 2021-10-22 海信（山东）冰箱有限公司 冰箱
CN113531987B (zh) * 2020-04-17 2023-02-03 海信冰箱有限公司 冰箱

Also Published As

Publication number Publication date
CN104251587A (zh) 2014-12-31
EP2818810B1 (fr) 2020-06-10
CN104251587B (zh) 2018-08-17
EP2818810A3 (fr) 2015-04-29

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