EP2508823B1 - Kühlschrank - Google Patents

Kühlschrank Download PDF

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Publication number
EP2508823B1
EP2508823B1 EP12157410.7A EP12157410A EP2508823B1 EP 2508823 B1 EP2508823 B1 EP 2508823B1 EP 12157410 A EP12157410 A EP 12157410A EP 2508823 B1 EP2508823 B1 EP 2508823B1
Authority
EP
European Patent Office
Prior art keywords
refrigerator
heat
reflective material
panel
heat reflective
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.)
Not-in-force
Application number
EP12157410.7A
Other languages
English (en)
French (fr)
Other versions
EP2508823A3 (de
EP2508823A2 (de
Inventor
Kazuhiro TOMITAKA
Akira Hyodo
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 EP2508823A2 publication Critical patent/EP2508823A2/de
Publication of EP2508823A3 publication Critical patent/EP2508823A3/de
Application granted granted Critical
Publication of EP2508823B1 publication Critical patent/EP2508823B1/de
Not-in-force 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
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/12—Insulation with respect to heat using an insulating packing material
    • F25D2201/128—Insulation with respect to heat using an insulating packing material of foil type
    • F25D2201/1282—Insulation with respect to heat using an insulating packing material of foil type with reflective foils

Definitions

  • the present invention relates to refrigerators, particularly to a refrigerator having a back face formed of a back panel (cardboard).
  • Japanese Unexamined Utility Model Application Publication No. 57-128073 discloses a refrigerator having a back panel formed of cardboard to which a thin-film panel 10a made of a heat reflector (aluminum foil) is attached.
  • a duct 13 is formed, and a back condenser 12 including high-pressures pipes is formed in a cover of the duct 13.
  • the cited reference also discloses a configuration in which: heat dissipated from the back condenser 12 thus oppositely placed is reflected by the aluminum foil 10a of the thin-film panel and is conducted across a surface of the aluminum foil 10a, so that a temperature distribution across the surface is homogenized to reduce heat absorption into an inside of the refrigerator, thus improving cooling efficiency.
  • a domestic refrigerator or freezer which comprises a food storage compartment limited by insulated walls and by one or more access doors to said compartment, in which one or more walls and/or doors are provided with a metallic film, preferably a metallised polymeric film, capable of enhancing the performance of the refrigerator with regard to energy saving.
  • a refrigerator according to the preamble of claim 1.
  • the aluminum foil attached to the back panel could peel off from an end surface due to aging or temperature change. This results in a problem of causing a reduction in heat reflection at the aluminum foil to suppress heat dissipation, which causes the heat to be absorbed through a cardboard portion where the aluminum foil has peeled off, and this accordingly reduces cooling efficiency inside the refrigerator.
  • An object of the present invention in view of the problem described above, is to provide a refrigerator having a configuration which prevents peeling of the aluminum foil attached to the back panel and decreases heat absorption from outside into the inside of the refrigerator, so as to produce an advantageous effect of reducing power consumption.
  • a refrigerator according to an implementation of the present invention has an outer case assembled by lapping a flange in a side panel with a back panel to which a heat reflective material is attached such that an end portion of the heat reflective material is held between a side end portion of the back panel and the flange.
  • the end portions of the heat reflective material are held by the flanges and the back panel, so that it is possible to prevent peeling of an end portion of the heat reflection material.
  • the flanges that are part of the side panel are provided between the heat reflective material and the back condenser, this allows conducting, to the back panel and the side panel, the heat of the back condenser externally attached to the back of the refrigerator so as to increase heat dissipation as well as releasing the heat received from the back condenser to the outside of the refrigerator, thus reducing power consumption.
  • the refrigerator according to the present invention is formed by attaching the heat reflective material to the back panel at the back of the refrigerator with the side panel holding the heat reflective material, so as to reduce peeling of the heat reflective material to ensure reliability and achieve a reduction in power consumption.
  • a first aspect of the present invention is that: in a refrigerator including: an outer case and an inner case; a foam insulation material filled between the outer case and the inner case; a side panel constituting a side face of the outer case; a back panel constituting a back face of the outer case; a first heat reflective material attached to the back panel; and a back condenser provided behind the first heat reflective material and constituting a part of a cooling system that cools an inside of the refrigerator, the first heat reflective material is held with a part of the first heat reflective material held between a side end portion of the back panel and a flange wherein the flange is formed by bending a rear end portion of the side panel.
  • this prevents peeling of an end surface of the first heat reflective material, thus ensuring reliability and achieving energy saving.
  • a second aspect of the present invention is that: in the first and second aspects of the present invention, the refrigerator includes: a machinery compartment provided in a lower part of the back panel; a compressor provided in the machinery compartment and constituting a part of the cooling system; and a second heat reflective material attached to a top panel constituting a top face of the machinery compartment. This conducts the heat dissipated from a surface shell of the compressor across the entire top panel, and further dissipates the heat from the second heat reflective material backward, thus increasing cooling efficiency.
  • FIG. 1 is a center cross-sectional view of a refrigerator according to the embodiment of the present invention.
  • a refrigerator 100 is formed using a cooling system which includes: a heat-insulating main body 101 having an opening in a front face; a refrigerating-compartment door 111 and a freezing-compartment door 112 which cover the opening in the front face of the heat-insulating main body 101; an electric compressor 107; a back condenser 108 functioning as a condenser; an evaporator (not shown), and so on.
  • a cooling system which includes: a heat-insulating main body 101 having an opening in a front face; a refrigerating-compartment door 111 and a freezing-compartment door 112 which cover the opening in the front face of the heat-insulating main body 101; an electric compressor 107; a back condenser 108 functioning as a condenser; an evaporator (not shown), and so on.
  • the heat-insulating main body 101 includes: an outer case 104 having an opening in a front face; an inner case 103 provided in this outer case 104 and also having an opening in a front face; and a heat-insulating material 102 filled in a gap between the outer case 104 and the inner case 103.
  • the outer case 104 includes: a folded panel 117 folded to form left and right side panels 117a and 117b and a top panel 117c, and a back panel 109 formed at the back of the folded panel 117, and a bottom panel 118 formed at the bottom.
  • the back condenser 108 functioning as the condenser that is a part of the cooling system that cools the inside of the refrigerator is provided behind the back panel 109 of the refrigerator 100.
  • a duct 113 is formed inside the heat insulating material 102 filled between the back panel 109 of the outer case 104 and the inner case 103.
  • the back panel 109 is a thin-film panel formed by attaching the first heat reflective material 110 to a side that faces the back condenser 108 provided in the back panel 109.
  • the first heat reflective material 110 is formed of an aluminum plate.
  • the refrigerator 100 some space is provided between the bottom panel 118 and a floor surface, with legs 116 supporting the refrigerator 100 and wheels attached to a steel plate 114 which is to be a base of the electric compressor 107 and on which the electric compressor 107 is provided.
  • the second heat reflective material 120 which is formed of an aluminum plate as with the first heat reflective material 110 is attached to a top panel 122 of a machinery compartment 121 in which the electric compressor 107 is provided.
  • the refrigerator 100 includes two storage compartments, that is, upper and lower sections. Specifically, a storage compartment in the upper section is a refrigerating compartment 105, and a storage compartment in the lower section is a freezing compartment 106.
  • a temperature inside of the refrigerating compartment 105 is approximately 2 °C to 8 °C, and a temperature inside of the refrigerating compartment 106 is approximately - 18 °C to - 20 °C.
  • the refrigerating compartment 105 that is formed inside the heat-insulating main body 101 is provided with a refrigerating-compartment door 111 which covers the opening in the front face to keep the refrigerating compartment 105 in a sealed state.
  • the refrigerating-compartment door 111 is capable of rotating around a longitudinal rotational axis provided at a right end portion of the opening in the front face on the observers' right.
  • the freezing compartment 106 is provided with a freezing-compartment door 112 which covers the opening in the front face openably and closably.
  • the heat received at the back of the refrigerator from the back condenser 108 is conducted across the back of the refrigerator 100 through the first heat reflective material 110, to homogenize the heat distribution to increase heat dissipation capacity.
  • the first heat reflective material 110 is an aluminum plate.
  • the aluminum plate 110 has a possibility of peeling from an end surface due to aging and temperature change. This reduces heat reflection by the aluminum plate 110 to suppress heat dissipation, and causes the heat to be absorbed from the back panel 109, thus decreasing cooling efficiency inside the refrigerator 100.
  • the flanges 119a and 119b formed in the top-bottom direction at the rear end portions of the left and right panels 117a and 117b are disposed to cover at least part of both left and right end portions of the first heat reflective material 110, on a side opposite the back panel 10 with respect to the first heat reflective material 110.
  • both the left and right end portions of the first heat reflective material 110 are held between the flanges 119a and 119b and the back panel 109.
  • the second heat reflective material 120 is attached to the top panel 122 of the machinery compartment 121 in which the electric compressor 107 is provided, and a rearward of the electric compressor 107 is left open.
  • the back panel 109 has been described as a steel plate but may also be formed of cardboard or a resin material, so as to achieve a reduction not only in costs but also in product weight compared to the case of using the steel plate.
  • a refrigerator according to the present invention is useful for reducing power consumption.

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)
  • Refrigerator Housings (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (2)

  1. Kühlschrank (100), umfassend: ein äußeres Gehäuse (104) und ein inneres Gehäuse (103); ein Schaumisolationsmaterial, das zwischen das äußere Gehäuse (104) und das innere Gehäuse (103) gefüllt ist; eine Seitenwand (117), die eine Seitenfläche des äußeren Gehäuses (104) bildet; eine Rückwand (109), die eine Rückfläche des äußeren Gehäuses (104) bildet; ein erstes wärmereflektierendes Material (110), das an der Rückwand (109) angebracht ist; und einen rückseitigen Kondensator (108), der hinter dem ersten wärmereflektierenden Material (110) vorgesehen ist und einen Teil eines Kühlsystems bildet, das ein Inneres des Kühlschranks (100) kühlt, dadurch gekennzeichnet, dass
    das erste wärmereflektierende Material (110) gehalten wird mit einem Teil dieses wärmereflektierenden Materials (110), der zwischen einem seitlichen Endabschnitt der Rückwand (109) und einem Flansch (119a, 119b) gehalten wird, wobei
    der Flansch (119a, 119b) durch Biegen eines rückwärtigen Endabschnitts der Seitenverkleidung (117) ausgebildet ist.
  2. Kühlschrank (100) nach Anspruch 1, ferner umfassend:
    einen Maschinenraum (121), der in einem unteren Teil der Rückwand (109) vorgesehen ist;
    einen Kompressor (107), der in dem Maschinenraum (121) vorgesehen ist und einen Teil des Kühlsystems bildet; und
    ein zweites wärmereflektierendes Material (120), das an einer oberen Platte (117c, 122) angebracht ist, die eine Oberseite des Maschinenraums(121) bildet.
EP12157410.7A 2011-04-04 2012-02-29 Kühlschrank Not-in-force EP2508823B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011082486A JP2012220033A (ja) 2011-04-04 2011-04-04 冷蔵庫

Publications (3)

Publication Number Publication Date
EP2508823A2 EP2508823A2 (de) 2012-10-10
EP2508823A3 EP2508823A3 (de) 2016-11-16
EP2508823B1 true EP2508823B1 (de) 2017-12-27

Family

ID=45808188

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12157410.7A Not-in-force EP2508823B1 (de) 2011-04-04 2012-02-29 Kühlschrank

Country Status (2)

Country Link
EP (1) EP2508823B1 (de)
JP (1) JP2012220033A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105042980A (zh) * 2015-07-24 2015-11-11 安徽康佳同创电器有限公司 一种具有镜面热反射功能的匀冷节能冰箱

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57128073U (de) 1981-02-04 1982-08-10
JP2001014533A (ja) * 1999-06-30 2001-01-19 Norio Watanabe 自動販売機における機械室断熱構造
ITVA20010040A1 (it) * 2001-11-09 2003-05-09 Whirlpool Co Frigorifero domestico con isolamento termico migliorato

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2508823A3 (de) 2016-11-16
JP2012220033A (ja) 2012-11-12
EP2508823A2 (de) 2012-10-10

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