EP2722622A1 - Kühlschrank - Google Patents

Kühlschrank Download PDF

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Publication number
EP2722622A1
EP2722622A1 EP20120800772 EP12800772A EP2722622A1 EP 2722622 A1 EP2722622 A1 EP 2722622A1 EP 20120800772 EP20120800772 EP 20120800772 EP 12800772 A EP12800772 A EP 12800772A EP 2722622 A1 EP2722622 A1 EP 2722622A1
Authority
EP
European Patent Office
Prior art keywords
compartment
refrigerator
storage compartment
door
heat
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.)
Withdrawn
Application number
EP20120800772
Other languages
English (en)
French (fr)
Other versions
EP2722622A4 (de
Inventor
Shin'ichi Horii
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.)
Panasonic Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Publication of EP2722622A1 publication Critical patent/EP2722622A1/de
Publication of EP2722622A4 publication Critical patent/EP2722622A4/de
Withdrawn legal-status Critical Current

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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
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials
    • F25D23/082—Strips
    • F25D23/087—Sealing strips
    • 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/069—Cooling space dividing partitions
    • 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
    • F25D2317/066—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
    • F25D2317/0667—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 refrigerator
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/02—Refrigerators including a heater

Definitions

  • the present invention relates to a refrigerator, and more particularly to a structure for preventing dew condensation on a peripheral edge of a front opening of a refrigerator.
  • door gasket 112 is provided at a peripheral edge portion of an inner surface of door 111 over an entire periphery.
  • a front surface of partition wall 113 is provided with metal receiving member 114.
  • Metal receiving member 114 forming a receiving surface of door gasket 112 is brought into close-contact with door gasket 112 to prevent cool air from leaking outside.
  • a front surface of partition wall 113 formed between freezing compartment 125 and upper storage compartment 122 is cooled by the cool air that has reached the front upper portion of storage case 118.
  • Heat radiation pipe 123 is disposed in order to prevent dew condensation on a front surface of cooled partition wall 113 due to a temperature difference between inside and outside.
  • Heat radiation pipe 123 uses a high temperature refrigerant pipe in a refrigeration cycle (not shown).
  • partition wall 113 is heated to a high temperature by heat of heat radiation pipe 123. This can prevent dew condensation on metal receiving member 114 of partition wall 113.
  • this type of configuration has a disadvantage in that cooling efficiency is lowered, because air above a front side of freezing compartment 125 is also heated.
  • the refrigerator according to the present invention includes a heat-insulating box body formed from an inner box, an outer box, and a heat-insulating material filled between the inner box and the outer box, and a storage compartment provided in the heat-insulating box body.
  • the refrigerator also includes a partition wall vertically partitioning the storage compartment, an openable door provided on an opening of the storage compartment, and a metal receiving member provided on the partition wall at one side facing the door.
  • the refrigerator further includes a door gasket in close-contact with the metal receiving member, and an independent opening-side space separated from a space inside the storage compartment at a front opening of the storage compartment.
  • the front opening of the storage compartment includes the independent opening-side space separated from the space inside the storage compartment, the independent opening-side space can suppress heat leakage of the storage compartment. Further, cooling of the metal receiving member provided at a door-side front surface portion of the partition wall can be suppressed, to thereby suppress dew condensation. Thus, it is possible to provide a refrigerator which is less likely to generate dew condensation on the surface of the metal receiving member without lowering cooling system efficiency.
  • Heat-insulating box body 31 is formed from inner box 33, outer box 32, and a heat-insulating material filled between inner box 33 and outer box 32.
  • independent opening-side space 50 can suppress heat leakage of the storage compartment, and can thereby suppress cooling of metal receiving member 42 provided at a door-side front surface portion of partition wall 41 to suppress dew condensation.
  • Refrigerating compartment door 38 and freezing compartment door 40 are pivotally supported openably and closably by the respective front opening of refrigerating compartment 35 and freezing compartment 37.
  • Refrigerating compartment 35 serves as a storage compartment for refrigerated storage, generally being set within a range of 1°C to 5°C with a non-freezing temperature as a lower limit
  • freezing compartment 37 serves as a storage compartment being set within a freezing temperature range. While freezing compartment 37 is generally set within a range of -22°C to -15°C for frozen storage, there may be a case where freezing compartment 37 is set at a lower temperature of, for example, -30°C or -25°C for enhancing a frozen storage state.
  • Defrost heater 47 that removes frost and ice adhered to cooler 44 is provided at a lower side of cooler 44.
  • Defrost heater 47 is, for example, a glass tube heater made of glass.
  • a double glass tube heater formed with double glass tubes is used for preventing explosion.
  • FIG. 3 is an exploded perspective view of refrigerating-compartment duct device 80 of refrigerator 30 according to the first embodiment of the present invention.
  • Refrigerating-compartment duct device 80 is formed from refrigerating-compartment duct member 81 formed of styrene foam and refrigerating-compartment duct panel 86 made of resin which covers a front surface of refrigerating-compartment duct member 81. Sealing foam member 82 is attached to a sealing portion on an inner side of refrigerating-compartment duct device 80.
  • FIG. 4 shows a flow of cool air inside refrigerating compartment 35 in refrigerator 30 according to the first embodiment of the present invention.
  • refrigerator 30 is provided with second heat radiation pipe 93.
  • Second heat radiation pipe 93 is fixed so as to be selectively brought into contact with metal receiving member 42.
  • second heat radiation pipe 93 is in contact with metal receiving member 42, but is not in contact with the front surface portion of outer box 32.
  • Freezing compartment 37 is cooled by the cool air discharged from a discharge port of coil cover 45.
  • Independent opening-side space 50 formed from door gasket 90 and front sealing member 91 is a space separated from both of the storage compartment space of freezing compartment 37 and the outside.
  • refrigerant circulation of heat radiation pipe 49 can be switched to that of second heat radiation pipe 93, by using switching valve 92.
  • heat radiation pipe 49 is used at the time of occurrence of large amount of dew condensation, whereas heat radiation pipe 49 can be switched to second heat radiation pipe 93 at the time of occurrence of less amount of dew condensation.
  • heat amount is obtained for suppressing occurrence of dew condensation on the front surface portion of outer box 32 at the opening front side of freezing compartment 37, where an influence of the temperature inside the storage compartment is relatively small.
  • independent opening-side space 50 can suppress heat leakage from the front surface portion of outer box 32 at the opening front side of freezing compartment 37 into the storage compartment.
  • refrigerator 20 according to a second embodiment of the present invention.
  • FIGS. 5C and 5D are perspective views each schematically illustrating a heat radiation piping arrangement of refrigerator 20 according to the second embodiment of the present invention.
  • cool air discharged to the upper side of fan 46 passes from the cool air discharge port of coil cover 45 through communication hole 18 of partition wall 41 to be guided to refrigerating-compartment duct device 80. Then, when the refrigerating-compartment temperature sensor determines that an inside temperature is equal to or higher than the preset temperature, the damper is opened, and cool air is discharged from the discharge port of refrigerating compartment 35 through refrigerating-compartment air supply duct 48 to cool the inside thereof.
  • the cool air that circulated inside refrigerating compartment 35 is branched to be guided to the return port and space communication inlet air flow path 95.
  • air having a temperature equal to that inside refrigerating compartment 35 passes through refrigerating-compartment feedback duct 51, and then through cool air return passage 71 to be guided from cool air feedback port 77 to the lower portion of cooler 44.
  • air passes through space communication inlet air flow path 95, and through independent opening-side space 50, and then passes through space communication outlet air flow path 96 to be guided from cool air feedback port 77 to the lower portion of cooler 44.
  • the cool air returned to the lower portion of cooler 44 is heat-exchanged in cooler 44, so that fresh cool air is forcibly blown again by fan 46.
  • the return cool air from refrigerating compartment 35 is circulated in independent opening-side space 50.
  • metal receiving member 42 is suppressed from being directly cooled by the cool air of freezing compartment 37, and a temperature inside independent opening-side space 50 can be maintained at the refrigeration temperature range higher than the freezing temperature range. Accordingly, it is possible to suppress occurrence of dew condensation on metal receiving member 42 and the front surface portion of outer box 32 at the opening front side of freezing compartment 37.
  • heat leakage into the storage compartment can be suppressed by also using means of temperature control by switching of heat radiation pipe 49, described with reference to FIGS. 5A to 5D in the first embodiment and the second embodiment.
  • the temperature inside independent opening-side space 50 can be maintained at the refrigeration temperature range, and a temperature in the vicinity of metal receiving member 42 can be effectively raised by using the cool air of refrigerating compartment 35.
  • the present invention is not limited to this example. Air having a higher temperature range than that of the storage compartment may be circulated inside independent opening-side space 50, so that dew condensation can be reduced by raising the temperature in the vicinity of metal receiving member 42.
  • refrigerator 60 According to a forth embodiment of the present invention.
  • front sealing member 91 is disposed on the inner side of door gasket 90 of the inner surface of freezing compartment door 40 so as to contact with the wall surface of inner box 33, partition wall 41, and the like inside the storage compartment.
  • Independent opening-side space 50 which is the space separated from both of the storage compartment space of freezing compartment 37 and the outside, is provided between door gasket 90 and front sealing member 91.
  • independent opening-side space 50 is formed at the peripheral edge portion of the inner side of freezing compartment door 40 so as to surround front sealing member 91, as viewed from a front.
  • lower side heat source member 97 for generating heat at a temperature equal to or higher than the external air temperature is disposed along a lower side periphery of independent opening-side space 50.
  • independent opening-side space 50 is described as the space which is provided in the peripheral edge of the front opening of the storage compartment, and at least one of left and right portions of independent opening-side space 50 is communicated from an upper side to a lower side thereof.
  • both of the left and right sides of independent opening-side space 50 may be a space which is not communicated from the upper side to the lower side.
  • bottom portion heat radiation pipe 98 is provided to a bottom member which constitutes a bottom portion of heat-insulating box body 31.
  • bottom portion heat radiation pipe 98 as lower side heat source member 97, heat radiation can be effectively used.
  • refrigerator 17 according to a fifth embodiment of the present invention.
  • refrigerator 17 is vertically partitioned into refrigerating compartment 35 and freezing compartment 37 by partition wall 41.
  • Door gasket 90 is provided at the respective peripheral edge portions of the inner surfaces of refrigerating compartment door 38 and freezing compartment door 40 over the entire peripheries thereof.
  • the front surface side of outer box 32 and metal receiving member 42 provided at the door-side front surface portion of partition wall 41 are brought into close-contact with the doors (refrigerating compartment door 38 and freezing compartment door 40) by door gasket 90 to prevent the cool air from leaking outside.
  • Refrigerator 17 has three or more storage compartments.
  • refrigerator 17 is provided with third storage compartment 13.
  • freezing compartment 37 and third storage compartment 13 are vertically partitioned by second partition wall 99.
  • Door gasket 90 is also provided at a peripheral edge portion of an inner surface of third storage compartment door 14 over an entire periphery thereof.
  • the front surface side of outer box 32 and metal receiving member 42 provided at a door-side front surface portion of second partition wall 99 are brought into close-contact with third storage compartment door 14 by door gasket 90 to prevent the cool air from leaking outside.
  • Freezing compartment 37 is cooled by cool air discharged from the discharge port of coil cover 45.
  • the cool air that circulated inside freezing compartment 37 is guided to the lower portion of cooler 44 via the return port opened in the lower portion of coil cover 45 to be heat-exchanged by cooler 44. Then again, fresh cool air is repeatedly circulated by fan 46. With this arrangement, the inside of freezing compartment 37 is cooled to a suitable temperature by control using the freezing-compartment temperature sensor.
  • third storage compartment 13 similarly, the cool air generated by cooler 44 of cooling compartment 43 passes through third storage compartment duct 15 to cool an inside of third storage compartment 13. Then, the cool air is guided to the lower portion of cooler 44 via the return port opened in the lower portion of coil cover 45 to be heat-exchanged by cooler 44, and again, fresh cool air is repeatedly circulated by fan 46.
  • refrigerator 17 having three or more storage compartments, it is possible to suppress occurrence of dew condensation on metal receiving member 42 and the front surface portion of outer box 32 at the opening front side of freezing compartment 37.
  • independent opening-side space 50 is formed between front sealing member 91 and door gasket 90.
  • independent opening-side space 50 can be realized with a simple configuration, the present invention is not limited to this example.
  • Independent opening-side space 50 can also be formed between door gasket 90 and the other member, or can also be formed using the other member.
  • independent opening-side space 50 is provided in the front surface opening of freezing compartment 37 serving as a storage compartment which temperature is set at the freezing temperature range.
  • the present invention is not limited to this example.
  • independent opening-side space 50 can be provided to reduce dew condensation, and the storage compartment can be applied to the present invention.
  • the example has been shown in which heat radiation pipe 49 serving as a heater is provided near independent opening-side space 50. With this arrangement, the temperature inside independent opening-side space 50 can be reliably raised.
  • the present invention is not limited to this example. Even if the vicinity of independent opening-side space 50 is heated by using other heating means, a similar effect of preventing dew condensation can be obtained.

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  • 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)
  • Refrigerator Housings (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP12800772.1A 2011-06-17 2012-06-14 Kühlschrank Withdrawn EP2722622A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011134887 2011-06-17
PCT/JP2012/003876 WO2012172800A1 (ja) 2011-06-17 2012-06-14 冷蔵庫

Publications (2)

Publication Number Publication Date
EP2722622A1 true EP2722622A1 (de) 2014-04-23
EP2722622A4 EP2722622A4 (de) 2015-05-27

Family

ID=47356806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12800772.1A Withdrawn EP2722622A4 (de) 2011-06-17 2012-06-14 Kühlschrank

Country Status (4)

Country Link
EP (1) EP2722622A4 (de)
JP (1) JP6028220B2 (de)
CN (1) CN103635765B (de)
WO (1) WO2012172800A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018009185A1 (en) 2016-07-06 2018-01-11 Whirlpool Corporation Refrigerated compartment air distribution assembly

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10215471B2 (en) 2015-12-28 2019-02-26 Whirlpool Corporation Structural stanchion for a cabinet of an appliance
CN113531992A (zh) * 2020-04-20 2021-10-22 博西华家用电器有限公司 一种储物盒及冰箱
JP2022073657A (ja) * 2020-11-02 2022-05-17 アクア株式会社 冷蔵庫

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JPS5458258A (en) * 1977-10-18 1979-05-10 Toshiba Corp Cold storage
JP2744146B2 (ja) * 1991-04-26 1998-04-28 株式会社東芝 セパレート形冷蔵庫
JPH08189753A (ja) * 1995-01-13 1996-07-23 Matsushita Refrig Co Ltd 冷蔵庫
JP3387333B2 (ja) 1996-09-20 2003-03-17 三菱電機株式会社 冷蔵庫の断熱機構
KR100288261B1 (ko) * 1998-06-30 2001-05-02 전주범 냉장고의 이슬맺힘 방지장치
JP2000154968A (ja) * 1998-11-19 2000-06-06 Sharp Corp 冷蔵庫
JP3957926B2 (ja) * 1999-07-27 2007-08-15 松下冷機株式会社 冷蔵庫
JP2001349663A (ja) * 2000-06-09 2001-12-21 Sanyo Electric Co Ltd 冷蔵庫
JP3871500B2 (ja) * 2000-07-07 2007-01-24 株式会社東芝 冷蔵庫扉
JP3797850B2 (ja) * 2000-07-07 2006-07-19 株式会社東芝 冷蔵庫の仕切り構造
JP2002062038A (ja) * 2000-08-24 2002-02-28 Mitsubishi Electric Corp 冷蔵庫用断熱扉体
JP2002364978A (ja) * 2001-06-08 2002-12-18 Matsushita Refrig Co Ltd 冷蔵庫
JP2005315547A (ja) * 2004-04-30 2005-11-10 Toshiba Corp 冷蔵庫
JP2006046750A (ja) * 2004-08-03 2006-02-16 Sharp Corp 冷却庫
KR100951287B1 (ko) * 2008-03-18 2010-04-02 엘지전자 주식회사 구획부재를 구비한 냉장고
JP5300647B2 (ja) * 2009-08-07 2013-09-25 三菱電機株式会社 冷蔵庫
JP5434431B2 (ja) * 2009-09-24 2014-03-05 パナソニック株式会社 冷蔵庫
JP5575452B2 (ja) * 2009-10-09 2014-08-20 株式会社東芝 冷蔵庫

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018009185A1 (en) 2016-07-06 2018-01-11 Whirlpool Corporation Refrigerated compartment air distribution assembly
EP3482145A4 (de) * 2016-07-06 2020-01-22 Whirlpool Corporation Luftverteilungsanordnung eines kühlfachs
US11168933B2 (en) 2016-07-06 2021-11-09 Whirlpool Corporation Refrigerated compartment air distribution assembly

Also Published As

Publication number Publication date
JP6028220B2 (ja) 2016-11-16
CN103635765A (zh) 2014-03-12
CN103635765B (zh) 2016-01-20
WO2012172800A1 (ja) 2012-12-20
EP2722622A4 (de) 2015-05-27
JP2013019662A (ja) 2013-01-31

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