WO2020012526A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2020012526A1
WO2020012526A1 PCT/JP2018/025852 JP2018025852W WO2020012526A1 WO 2020012526 A1 WO2020012526 A1 WO 2020012526A1 JP 2018025852 W JP2018025852 W JP 2018025852W WO 2020012526 A1 WO2020012526 A1 WO 2020012526A1
Authority
WO
WIPO (PCT)
Prior art keywords
gasket
refrigerator
outside air
partition plate
refrigerator compartment
Prior art date
Application number
PCT/JP2018/025852
Other languages
English (en)
Japanese (ja)
Inventor
荒木　正雄
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 PCT/JP2018/025852 priority Critical patent/WO2020012526A1/fr
Priority to JP2020529852A priority patent/JP7008822B2/ja
Publication of WO2020012526A1 publication Critical patent/WO2020012526A1/fr

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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
    • 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
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers

Definitions

  • the present invention relates to a refrigerator provided with a double door.
  • the surface of a gasket attached to the door and closely attached to the surface of the vertical partition has aluminum or the like.
  • the temperature of the surface of the vertical partition is raised by applying a material having a high thermal conductivity, such as coating or vapor deposition, to bring the outside air temperature around the refrigerator to near the surface of the vertical partition.
  • the refrigerator according to the present invention has two double doors that open and close the front opening of the refrigerator compartment, and a partition that is rotatably attached to one of the two double doors to prevent outside air from entering.
  • Each is provided, at least a part of the dew condensation prevention heater is arranged at a position overlapping with each of the gasket fins, and the heat conductivity of at least one of the two gasket fins is higher than that of the gasket fins.
  • a high heat conductive sheet is provided.
  • the dew condensation preventing heater is arranged at a position overlapping with each gasket fin, and has a higher heat conductivity inside at least one of the two gasket fins than the gasket fin. Since the heat conductive sheet is provided, heat can be diffused to the entire gasket fin from a portion overlapping with the dew condensation preventing heater, and the temperature of the entire gasket fin can be increased. As a result, the duty ratio to the heater can be reduced, so that energy saving can be improved. Further, since it is not necessary to apply or deposit a material having high thermal conductivity on the surface of the gasket, reliability can be improved.
  • FIG. 1 is a schematic diagram showing the front of a refrigerator 100 according to an embodiment of the present invention.
  • the configuration of refrigerator 100 according to the present embodiment will be described.
  • terms indicating directions, for example, “up”, “down”, “right”, “left”, “front”, “rear”, etc. are used as appropriate to facilitate understanding, For illustrative purposes, these terms do not limit the invention.
  • “up”, “down”, “right”, “left”, “front”, “rear”, and the like are used when refrigerator 100 is viewed from the front.
  • an ice making compartment 2 and a small freezing compartment 3 are arranged in parallel, in which when a drawer door (not shown) is pulled out, a storage compartment is pulled out to the user side.
  • a vegetable compartment 5 is provided at the bottom of the refrigerator 100, and a switching compartment 4 is provided above the vegetable compartment 5.
  • the switching room 4 is provided below the ice making room 2 and the small freezing room 3 arranged in parallel on the left and right, and above the vegetable room 5.
  • the switching room 4 and the vegetable room 5 are also configured such that when the drawer door (not shown) is pulled out, the storage room is drawn out to the user side.
  • the outside air temperature sensor 51 and the outside air humidity sensor 52 are desirably installed at a position that is not affected by the operation of the refrigerator 100, for example, the temperature of a condensation pipe (not shown) attached and fixed to the inside of the refrigerator side. Therefore, as long as the installation location of the outside air temperature sensor 51 and the outside air humidity sensor 52 is, for example, the upper hinge member 19 (to be described later) of the refrigerator compartment left door 6, it is not necessary to be affected by the heat of the condensation pipe or the like.
  • the partition plate 8 is attached to the refrigerator compartment left door 6 by an upper hinge member 19 and a lower hinge member 20, which will be described later, so as to be rotatable around a vertical axis. Therefore, even if the refrigerator compartment right door 7 is opened, the position of the partition plate 8 remains as it is. Further, the refrigerator compartment left door 6 and the refrigerator compartment right door 7 are provided with a flange portion (not shown) of the refrigerator compartment 1 and gaskets 9 and 10 which are in close contact with the partition plate 8. The gaskets 9 and 10 are provided on the upper side, lower side, left side and right side along the outer periphery of the inside surface of the refrigerator compartment left door 6 and refrigerator compartment right door 7.
  • a guide member 13 for rotating the partition plate 8 is attached to the front surface of the refrigerator 100 on the ceiling 14 side, and a gap (hereinafter referred to as an upper gap 15) is provided between the upper end of the partition plate 8 and the guide member 13. ) Is formed.
  • an upper gap 15 is provided between the upper end of the partition plate 8 and the guide member 13.
  • FIG. 2 is an enlarged view of the upper gap 15, a gap (hereinafter, referred to as a lower gap) is also formed between the lower end of the partition plate 8 and the lower surface of the refrigerator compartment 1. Similarly, the left and right gasket fins 11 and 12 overlap and are closed by them.
  • the guide member 13 is provided with a protrusion 16 projecting downward, and the protrusion 16 comes into contact with a groove 27 formed in the upper cover member 17 when the refrigerator compartment left door 6 is opened. It has become.
  • the control unit 50 is programmed with a duty ratio calculation formula determined in advance by a test or the like.
  • the control unit 50 calculates the duty ratio calculation formula according to the outside air temperature, the outside air humidity, and the refrigerator compartment temperature detected by the outside air temperature sensor 51, the outside air humidity sensor 52, and the refrigerator compartment temperature sensor 53. Then, the power supply rate to the aluminum foil heater 22 is determined.
  • the duty ratio calculation formula is basically such that the duty ratio increases as the outside air temperature and the humidity increases, and the duty ratio increases as the temperature of the refrigerator compartment 1 decreases. Then, the control unit 50 energizes the aluminum foil heater 22 at the energization rate determined by the calculation.
  • the upper part of the aluminum foil heater 22 and the upper part of the aluminum foil heater 22 are transferred so that the heat of the aluminum foil heater 22 provided inside the partition plate 8 is transmitted to the gasket fins 11 and 12.
  • the lower part is arranged so as to reach the position where the gasket fins 11 and 12 are projected in the height direction.
  • the heat conductive sheet 38 which is a graphite sheet is provided inside the gasket fins 11 and 12, a sheet having a thickness of about 40 ⁇ m is used.
  • the dew condensation preventing heater is arranged at a position overlapping each gasket fin 11, 12, and inside at least one of two gasket fins 11, 12.
  • a heat conductive sheet 38 is provided. Therefore, heat can be diffused from the portion overlapping the dew condensation prevention heater to the entire gasket fins 11 and 12, and the temperature of the entire gasket fins 11 and 12 can be increased. As a result, the power supply rate to the dew condensation prevention heater can be reduced, so that energy saving can be improved.
  • reliability since it is not necessary to apply or deposit a material having high thermal conductivity on the surfaces of the gaskets 9 and 10, reliability can be improved.
  • Refrigerator 100 has an outside air temperature sensor 51 for detecting outside air temperature, an outside air humidity sensor 52 for detecting outside air humidity, a refrigerator temperature sensor 53 for detecting refrigerator temperature, and an outside air temperature sensor.
  • the control unit 50 energizes the dew condensation prevention heater at an external air temperature detected by the external air humidity 51, an outdoor air humidity detected by the external air humidity sensor 52, and a duty ratio calculated according to the refrigerator temperature detected by the refrigerator temperature sensor 53. And with.

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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)

Abstract

Réfrigérateur comprenant : des portes doubles qui ouvrent/ferment une ouverture avant d'une chambre de réfrigération; une plaque de séparation qui est montée de façon à être rotative sur l'une des doubles portes et empêche l'infiltration d'air extérieur; et un dispositif de chauffage de prévention de condensation de rosée disposé à l'intérieur de la plaque de séparation. Chacune des doubles portes sont pourvue d'un joint d'étanchéité en contact étroit avec la plaque de séparation; chacun des joints d'étanchéité est pourvu d'une ailette de joint d'étanchéité; au moins une partie du dispositif de chauffage de prévention de condensation de rosée est disposée à une position chevauchant chacune des ailettes de joint d'étanchéité, et une feuille thermoconductrice ayant une conductivité thermique supérieure à celle des ailettes de joint d'étanchéité est disposée à l'intérieur d'au moins l'une des deux ailettes de joint d'étanchéité.
PCT/JP2018/025852 2018-07-09 2018-07-09 Réfrigérateur WO2020012526A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2018/025852 WO2020012526A1 (fr) 2018-07-09 2018-07-09 Réfrigérateur
JP2020529852A JP7008822B2 (ja) 2018-07-09 2018-07-09 冷蔵庫およびその製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/025852 WO2020012526A1 (fr) 2018-07-09 2018-07-09 Réfrigérateur

Publications (1)

Publication Number Publication Date
WO2020012526A1 true WO2020012526A1 (fr) 2020-01-16

Family

ID=69141993

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/025852 WO2020012526A1 (fr) 2018-07-09 2018-07-09 Réfrigérateur

Country Status (2)

Country Link
JP (1) JP7008822B2 (fr)
WO (1) WO2020012526A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021181608A1 (fr) * 2020-03-12 2021-09-16 三菱電機株式会社 Réfrigérateur
JPWO2021181609A1 (fr) * 2020-03-12 2021-09-16

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57114388U (fr) * 1981-01-07 1982-07-15
WO2007125102A1 (fr) * 2006-05-01 2007-11-08 Arcelik Anonim Sirketi Appareil de refroidissement
JP2012107770A (ja) * 2010-11-15 2012-06-07 Toshiba Corp 冷蔵庫
JP2015004447A (ja) * 2013-06-19 2015-01-08 日立アプライアンス株式会社 冷蔵庫
JP2017020711A (ja) * 2015-07-10 2017-01-26 旭硝子株式会社 冷蔵用リーチインドア結露防止構造及びこれを用いた冷蔵ショーケース
JP2017040432A (ja) * 2015-08-20 2017-02-23 パナソニックＩｐマネジメント株式会社 冷蔵庫

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2446047A (en) * 2007-01-26 2008-07-30 Fisher & Paykel Appliances Ltd Refrigerator gasket having tabs with magnetic elements
KR101544452B1 (ko) * 2008-12-11 2015-08-13 엘지전자 주식회사 열전도시트를 구비한 냉장고
JP6251880B2 (ja) * 2013-06-12 2017-12-27 パナソニックＩｐマネジメント株式会社 冷蔵庫

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57114388U (fr) * 1981-01-07 1982-07-15
WO2007125102A1 (fr) * 2006-05-01 2007-11-08 Arcelik Anonim Sirketi Appareil de refroidissement
JP2012107770A (ja) * 2010-11-15 2012-06-07 Toshiba Corp 冷蔵庫
JP2015004447A (ja) * 2013-06-19 2015-01-08 日立アプライアンス株式会社 冷蔵庫
JP2017020711A (ja) * 2015-07-10 2017-01-26 旭硝子株式会社 冷蔵用リーチインドア結露防止構造及びこれを用いた冷蔵ショーケース
JP2017040432A (ja) * 2015-08-20 2017-02-23 パナソニックＩｐマネジメント株式会社 冷蔵庫

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021181608A1 (fr) * 2020-03-12 2021-09-16 三菱電機株式会社 Réfrigérateur
JPWO2021181608A1 (fr) * 2020-03-12 2021-09-16
JPWO2021181609A1 (fr) * 2020-03-12 2021-09-16
WO2021181609A1 (fr) * 2020-03-12 2021-09-16 三菱電機株式会社 Réfrigérateur
JP7275377B2 (ja) 2020-03-12 2023-05-17 三菱電機株式会社 冷蔵庫
JP7275378B2 (ja) 2020-03-12 2023-05-17 三菱電機株式会社 冷蔵庫

Also Published As

Publication number Publication date
JPWO2020012526A1 (ja) 2021-04-30
JP7008822B2 (ja) 2022-01-25

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