WO2014199743A1 - 冷蔵庫 - Google Patents

冷蔵庫 Download PDF

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Publication number
WO2014199743A1
WO2014199743A1 PCT/JP2014/062173 JP2014062173W WO2014199743A1 WO 2014199743 A1 WO2014199743 A1 WO 2014199743A1 JP 2014062173 W JP2014062173 W JP 2014062173W WO 2014199743 A1 WO2014199743 A1 WO 2014199743A1
Authority
WO
WIPO (PCT)
Prior art keywords
cold air
air discharge
cold
refrigerator
storage chamber
Prior art date
Application number
PCT/JP2014/062173
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
貴紀 谷川
中津　哲史
沙織 飯田
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to AU2014279424A priority Critical patent/AU2014279424B2/en
Priority to SG11201509111UA priority patent/SG11201509111UA/en
Priority to RU2015156498A priority patent/RU2628430C2/ru
Publication of WO2014199743A1 publication Critical patent/WO2014199743A1/ja

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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
    • 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
    • F25D17/08—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 using ducts
    • 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
    • F25D2317/067—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 air ducts
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the present invention relates to a refrigerator.
  • Patent Document 1 discloses a refrigerator in which air cooled by an evaporator is blown into a refrigerator compartment through a cooling duct.
  • the cooling duct is comprised by the inner box and the heat insulating material for an air path structure.
  • An ion sheet for generating negative ions is attached to the cooling duct structure side of the heat insulating material for air path structure.
  • a protrusion is formed on the inner box facing the ion sheet.
  • the ion sheet is fixed by a heat insulating material for constructing an air passage and a protrusion.
  • the air path resistance can be reduced when the protrusion is present in the cooling duct, but the air path resistance can be reduced when the protrusion is not present in the cooling duct. Can not.
  • it is necessary to increase the cross-sectional area of the cold air discharge air passage.
  • the cross-sectional area of the cool air discharge air passage is increased, the volume of the cool air discharge air passage increases, and the capacity of the storage chamber decreases accordingly.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a refrigerator capable of increasing the capacity of a storage room while suppressing an increase in air path resistance of a cold air discharge air path.
  • the cold air discharge air passage has an elliptical cross section
  • the cross sectional area of the cold air discharge air passage is smaller than that of the cold air discharge air passage with the same air passage resistance having a rectangular cross section.
  • the volume of the cool air discharge air passage can be reduced. Therefore, it is possible to increase the capacity of the storage chamber while suppressing an increase in air path resistance of the cold air discharge air path.
  • FIG. 1 is a front view showing a schematic configuration of a refrigerator 1 according to the present embodiment.
  • FIG. 2 is a cross-sectional view showing a cross-sectional configuration of the refrigerator 1 taken along the line II-II in FIG.
  • the dimensional relationship and shape of each component may differ from the actual one.
  • the refrigerator 1 includes a heat insulating box 10 whose front surface is opened.
  • the heat insulation box 10 has a steel plate outer box 11, a resin inner box 12, and a heat insulating material 13 filled between the outer box 11 and the inner box 12, and the inner space is externally provided. It functions as an insulating wall that insulates from the heat.
  • the heat insulating material 13 foamed polyurethane, a vacuum heat insulating material, or the like is used.
  • the internal space of the heat insulation box 10 is divided into a plurality of storage chambers that are each kept at a predetermined cold temperature by partition walls 21 (heat insulation walls) formed using a heat insulating material.
  • the refrigerator 1 of this example has a refrigerator compartment 20, a freezer compartment, a vegetable compartment, an ice making room, a switching room, etc. as a plurality of storage rooms. Each storage room can be kept cold at different cold temperatures, for example.
  • FIG. 1 only the refrigerator compartment 20 arrange
  • the front opening of the refrigerator compartment 20 is closed so as to be freely opened and closed by a rotating heat insulating door (not shown).
  • a cold air discharge duct 30 for the refrigerator compartment 20 is provided along the inner wall face 20a on the inner wall face 20a on the back side of the refrigerator compartment 20 (the back face of the refrigerator compartment 20).
  • the cold air discharge duct 30 of the present example has a configuration in which two members 30a and 30b made of resin are combined to form a cylindrical shape, and serves as an outer wall of a cold air discharge air passage 31 described later.
  • the cold air discharge duct 30 is disposed at the center in the left-right direction of the refrigerator compartment 20, and is provided extending in the up-down direction. Further, the cold air discharge duct 30 is provided so as to protrude (protrude out) from the inner wall surface 20 a on the back side of the refrigerator compartment 20 to the indoor side.
  • a cold air discharge air passage 31 for circulating the cold air is provided extending vertically.
  • the cool air discharge air passage 31 passes through the partition wall 21 and is connected to the air passage in the cooler chamber (not shown).
  • an evaporator (cooler) that constitutes a part of the refrigeration cycle and a fan that blows cool air cooled by the evaporator to each storage room such as the refrigerator room 20 are provided in the cooler room.
  • a damper for adjusting the opening degree of the air passage is provided between the cooler chamber and the cool air discharge air passage 31.
  • the cold air discharge path 31 has an elliptical cross section (see FIG. 2).
  • the ratio b / a of the minor axis b to the ellipse major axis a is an ellipticity (the ellipticity of a perfect circle is 1)
  • the ellipticity of the elliptical shape of the cool air discharge air passage 31 of this example is 0.36 or more and 1 or less. It is.
  • the cold air discharge air passage 31 of this example has an elliptical major axis parallel to the left-right direction of the refrigerator compartment 20 and an elliptical minor axis parallel to the depth direction (front-rear direction) of the refrigerator compartment 20. Is provided.
  • a plurality of cold air discharge ports 32 through which the cold air flowing through the cold air discharge air passage 31 is discharged into the cold room 20 are formed on the front surface of the cold air discharge duct 30 (the surface on the indoor side of the cold room 20).
  • the plurality of cold air discharge ports 32 are arranged in a predetermined arrangement in the vertical direction or the horizontal direction.
  • the plurality of cold air discharge ports 32 are respectively upper portions of the plurality of stages of spaces so that they can be cooled to the near side (opening side) in the plurality of stages in the refrigerator compartment 20 partitioned by a shelf 22 described later. Is arranged.
  • the air passage width (air passage cross-sectional area) of the cold air discharge air passage 31 and the opening area of the cold air discharge port 32 are set so as to suppress the temperature unevenness of each of the plurality of stages in the refrigerator compartment 20.
  • a plurality of shelves 22 in a shallow container shape or a flat plate shape on which stored items are placed are installed horizontally.
  • the shelf 22 is made of, for example, a transparent resin.
  • the space in the refrigerator compartment 20 is divided into a plurality of stages by shelves 22.
  • the shelf 22 has a planar shape along the surface of the inner box 12 (the inner wall surface of the refrigerator compartment 20), and is in contact with or close to the inner wall surface 20a on the back side of the refrigerator compartment 20.
  • the shelf 22 has a notch 22 a that is cut out corresponding to the protruding shape of the cold air discharge duct 30 at a position corresponding to the cold air discharge duct 30.
  • the end surface of the notch 22 a is in contact with or close to the front surface of the cold air discharge duct 30.
  • the cool air cooled by the evaporator in the cooler chamber is blown by a fan.
  • the cold air blown by the fan is blown out to each storage room such as the refrigerator compartment 20 through the cold air discharge air passage 31 and other air passages.
  • the amount of cool air blown into each storage chamber is controlled by adjusting the opening of the air passage using a damper. Thereby, each store room is kept cool to a predetermined cool temperature.
  • the refrigerator 1 is divided into the refrigerating room 20 (an example of a storage room) that is partitioned by a heat insulating wall and has an open front surface, and the inner wall surface 20a on the back side of the refrigerating room 20.
  • a cold air discharge duct 30 that is provided extending in the vertical direction and has a cold air discharge air passage 31 that circulates cold air therein, and a cold air discharge port 32 that discharges the cold air flowing through the cold air discharge air passage 31 into the refrigerator compartment 20.
  • the cool air discharge air passage 31 has an elliptical cross section.
  • the ellipticity of the elliptical shape in the cross section of the cool air discharge air passage 31 is 0.36 or more and 1 or less. It is characterized by this.
  • the maximum value of ellipticity is 1. Therefore, the capacity of the refrigerator compartment 20 can be increased while maintaining the cooling performance of the refrigerator 1 (the refrigerator compartment 20) by setting the ellipticity in the cross section of the cold air discharge air passage 31 to 0.36 or more and 1 or less.
  • the space in the refrigerator compartment 20 can be used effectively.
  • the substantial capacity of the refrigerator compartment 20 can be increased.
  • the designability in the refrigerator compartment 20 can be improved.
  • the cold air discharge duct 30 is provided so as to protrude from the inner wall surface 20a on the back side of the refrigerator compartment 20 to the indoor side of the refrigerator compartment 20, and in the refrigerator compartment 20, A shelf 22 is provided, and the shelf 22 includes a notch 22 a that is notched corresponding to the cold air discharge duct 30.
  • the placement capacity of the shelf 22 can be increased.
  • each of the plurality of cool air discharge air paths may have an elliptical cross section.
  • Refrigerator 10 Heat insulation box, 11 Outer box, 12 Inner box, 13 Heat insulation material, 20 Cold room, 20a Inner wall surface, 21 Partition wall, 22 Shelf, 22a Notch, 30 Cold air discharge duct, 30a, 30b member, 31 cold air outlet, 32 cold air outlet.
PCT/JP2014/062173 2013-06-10 2014-05-02 冷蔵庫 WO2014199743A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AU2014279424A AU2014279424B2 (en) 2013-06-10 2014-05-02 Refrigerator
SG11201509111UA SG11201509111UA (en) 2013-06-10 2014-05-02 Refrigerator
RU2015156498A RU2628430C2 (ru) 2013-06-10 2014-05-02 Холодильник

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-121977 2013-06-10
JP2013121977A JP2014238245A (ja) 2013-06-10 2013-06-10 冷蔵庫

Publications (1)

Publication Number Publication Date
WO2014199743A1 true WO2014199743A1 (ja) 2014-12-18

Family

ID=52022045

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/062173 WO2014199743A1 (ja) 2013-06-10 2014-05-02 冷蔵庫

Country Status (8)

Country Link
JP (1) JP2014238245A (ru)
CN (2) CN104236205A (ru)
AU (1) AU2014279424B2 (ru)
MY (1) MY179405A (ru)
RU (1) RU2628430C2 (ru)
SG (1) SG11201509111UA (ru)
TW (1) TW201512618A (ru)
WO (1) WO2014199743A1 (ru)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014238245A (ja) * 2013-06-10 2014-12-18 三菱電機株式会社 冷蔵庫
SG11201806585QA (en) * 2016-03-31 2018-10-30 Mitsubishi Electric Corp Refrigerator

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001124457A (ja) * 1999-10-27 2001-05-11 Mitsubishi Electric Corp 冷凍冷蔵庫
JP2004061014A (ja) * 2002-07-30 2004-02-26 Matsushita Refrig Co Ltd 通風ダクト及び冷蔵庫
JP2006052913A (ja) * 2004-08-16 2006-02-23 Mitsubishi Heavy Ind Ltd 輸送コンテナ用の冷却装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0160424B1 (ko) * 1994-06-01 1999-01-15 윤종용 냉장고
JP2002107057A (ja) * 2000-10-02 2002-04-10 Sanyo Electric Co Ltd 冷却庫
RU40447U1 (ru) * 2004-04-19 2004-09-10 Федеральное государственное унитарное предприятие "Производственное объединение "Завод имени Серго" Холодильник
DE102007029178A1 (de) * 2007-06-25 2009-01-08 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Lüfteraggregat
CN101608854B (zh) * 2008-06-20 2012-11-21 海尔集团公司 风冷式电冰箱的出风系统
US20100139307A1 (en) * 2008-12-04 2010-06-10 Rajesh Narayan Kulkarni Refrigerator with an improved air handler for quickly chilling a bin
CN102645078B (zh) * 2012-05-09 2014-05-21 合肥美的电冰箱有限公司 冰箱和搁板
JP2014238245A (ja) * 2013-06-10 2014-12-18 三菱電機株式会社 冷蔵庫

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001124457A (ja) * 1999-10-27 2001-05-11 Mitsubishi Electric Corp 冷凍冷蔵庫
JP2004061014A (ja) * 2002-07-30 2004-02-26 Matsushita Refrig Co Ltd 通風ダクト及び冷蔵庫
JP2006052913A (ja) * 2004-08-16 2006-02-23 Mitsubishi Heavy Ind Ltd 輸送コンテナ用の冷却装置

Also Published As

Publication number Publication date
CN104236205A (zh) 2014-12-24
RU2628430C2 (ru) 2017-08-16
MY179405A (en) 2020-11-05
TW201512618A (zh) 2015-04-01
AU2014279424A1 (en) 2015-12-17
AU2014279424B2 (en) 2017-05-11
RU2015156498A (ru) 2017-07-14
CN204006909U (zh) 2014-12-10
SG11201509111UA (en) 2015-12-30
JP2014238245A (ja) 2014-12-18

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