WO2011105026A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2011105026A1
WO2011105026A1 PCT/JP2011/000851 JP2011000851W WO2011105026A1 WO 2011105026 A1 WO2011105026 A1 WO 2011105026A1 JP 2011000851 W JP2011000851 W JP 2011000851W WO 2011105026 A1 WO2011105026 A1 WO 2011105026A1
Authority
WO
WIPO (PCT)
Prior art keywords
light emitting
light
emitting element
refrigerator
emitting unit
Prior art date
Application number
PCT/JP2011/000851
Other languages
English (en)
Japanese (ja)
Inventor
普文 塚本
恵一 高瀬
利幸 森内
雅司 湯浅
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Priority to CN201180009470.9A priority Critical patent/CN102762940B/zh
Publication of WO2011105026A1 publication Critical patent/WO2011105026A1/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
    • F25D27/00—Lighting arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V3/00—Globes; Bowls; Cover glasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/0044—Household appliances, e.g. washing machines or vacuum cleaners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/30—Lighting for domestic or personal use
    • F21W2131/305—Lighting for domestic or personal use for refrigerators

Definitions

  • the present invention relates to a refrigerator, and more particularly, to a refrigerator including a semiconductor light emitting element that irradiates light in a warehouse.
  • Patent Document 1 discloses a refrigerator including a lighting device having a light emitting diode that is a semiconductor light emitting element on the top surface of the refrigerator. This semiconductor light emitting element is arranged so that the optical axis of the light to be irradiated is directed in the vertical direction, and the interior of the refrigerator can be illuminated brightly by irradiating light downward in the vertical direction.
  • the conventional refrigerator has a problem that the illuminance on the back side in the cabinet is lowered by the light emitted from the semiconductor light emitting element.
  • the present invention has been made in view of such a problem, and provides a refrigerator capable of increasing the illuminance of light emitted from a semiconductor light emitting element even when the semiconductor light emitting element is inclined.
  • the purpose is to do.
  • a refrigerator includes a main box having an opening on a front surface, and a light emitting unit that is disposed on an inner wall surface of the main box and irradiates light toward the main box.
  • the light-emitting unit includes: a semiconductor light-emitting element disposed so that an optical axis of light to be irradiated is inclined from an axis perpendicular to the inner wall surface on which the light-emitting unit is disposed; and the semiconductor light-emitting element And a cover member having a transmission part that transmits the light irradiated by the light transmission unit, and the transmission part has an incident surface part perpendicular to the optical axis on a surface on which the light is incident.
  • the light is incident so that the optical axis of the light emitted from the semiconductor light emitting element is perpendicular to the incident surface portion of the cover member.
  • the light incident perpendicularly to the surface of the cover member is not reflected by the cover member.
  • the semiconductor light emitting element is inclined, the light emitted from the semiconductor light emitting element can be reduced from being reflected by the cover member, so that the light emitted from the semiconductor light emitting element can be reduced. Illuminance can be increased.
  • the transmission part has a curved emission surface part for diffusing the light on a surface from which the light is emitted.
  • the light irradiated from the semiconductor light emitting element is diffused and emitted from the curved emission surface portion of the cover member. For this reason, since the said light is diffused and discharge
  • a plurality of grooves extending in the thickness direction are formed on the front side surface of the cover member.
  • the cover member is formed with a plurality of grooves extending in the thickness direction on the front side surface.
  • the light irradiated from the semiconductor light emitting element is reflected by the groove and diffused forward. For this reason, the illumination intensity ahead of a cover member can also be improved.
  • the light emitting unit is disposed on an upper wall surface or a side wall surface of the main box.
  • the light emitting unit is arranged on the upper wall surface or the side wall surface of the main box. For this reason, the illumination intensity of the light irradiated to the back side of a refrigerator can be raised by directing the optical axis of the light irradiated from a semiconductor light-emitting element to the back side of a refrigerator.
  • a shelf board is further provided on the inside of the main box inside the main box, and the light emitting unit is disposed in front of the shelf board.
  • the light emitting unit is arranged in front of the shelf board. For this reason, since the light from a semiconductor light emitting element is irradiated to the accommodation mounted on the shelf board, the visibility of the said accommodation can be improved.
  • the present invention it is possible to provide a refrigerator capable of increasing the illuminance of light emitted from a semiconductor light emitting element even when the semiconductor light emitting element is disposed at an angle.
  • FIG. 1 is a front view of the refrigerator in the embodiment of the present invention.
  • FIG. 2 is a front view of the upper portion of the refrigerator in which the heat insulating door in the embodiment of the present invention is omitted.
  • FIG. 3 is a vertical cross-sectional view of the upper part of the refrigerator in the embodiment of the present invention.
  • FIG. 4 is a diagram illustrating the configuration of the light emitting unit in the embodiment of the present invention.
  • FIG. 5 is a perspective view of the cover member according to the embodiment of the present invention as viewed from the incident surface side.
  • FIG. 6 is a perspective view of the cover member according to the embodiment of the present invention as viewed from the discharge surface side.
  • FIG. 1 is a front view of a refrigerator 100 according to an embodiment of the present invention.
  • the refrigerator 100 includes a storage compartment partitioned into a plurality of sections in the main box 101.
  • the main box 101 is a box having an opening on the front surface, and is provided with a heat insulating performance that blocks heat from entering and exiting the inside and outside of the refrigerator 100.
  • a plurality of compartments in the refrigerator 100 are divided into a refrigeration room 102, an ice making room 105, an ice making room 105 according to its function (cooling temperature), a switching room 106 in which the temperature in the warehouse can be changed, a vegetable room 104, Also referred to as the freezer compartment 103 or the like.
  • a rotary heat insulating door 107 filled with foam heat insulating material such as urethane is provided in the front opening of the refrigerator compartment 102.
  • heat insulating doors are provided at the front openings of the ice making room 105, the switching room 106, the vegetable room 104, and the freezing room 103, respectively.
  • Each of the storage chambers is sealed so that there is no leakage of cold air by these heat insulating doors.
  • FIG. 2 is a front view of the upper portion of the refrigerator 100 in which the heat insulating door in the embodiment of the present invention is omitted. That is, the figure shows a front view of the refrigerator compartment 102 portion.
  • FIG. 3 is a vertical cross-sectional view of the upper part of the refrigerator 100 in the embodiment of the present invention. That is, this figure shows a longitudinal sectional view of a portion of the refrigerator compartment 102.
  • the refrigerator 100 is provided with a shelf board 110 on the inner side of the main box body 101 on which things are placed. Specifically, five plate-like resin-made shelf boards 110 are arranged inside the refrigerator compartment 102. Note that the number of the shelf boards 110 is not limited to five, and may be any number.
  • the refrigerator 100 includes a light emitting unit 200.
  • the light emitting unit 200 is a device that is arranged on the inner wall surface of the main box body 101 and irradiates light inside the main box body 101.
  • the inner wall surface is any one of the ceiling surface, the side wall surface, the back wall surface, and the floor surface of the main box 101, and here is the ceiling surface.
  • the light emitting unit 200 is arranged on the upper wall surface portion 101 a of the ceiling surface of the main box body 101 and in front of the shelf board 110.
  • the light emitting unit 200 is disposed in a recess formed in the upper wall surface portion 101a of the main box body 101. Further, the light emitting unit 200 is disposed in front of the shelf plate 110 (the position P shown in the figure) in the front (front direction of the refrigerator 100).
  • FIG. 4 is a diagram illustrating the configuration of the light emitting unit 200 in the embodiment of the present invention.
  • the light emitting unit 200 includes a semiconductor light emitting element 210 and a cover member 220.
  • the semiconductor light emitting element 210 is a light emitting element that generates light and emits light toward the inside of the refrigerator compartment 102.
  • the semiconductor light emitting element 210 is an LED (Light Emitting Diode), but is not limited to an LED as long as it can emit light.
  • the semiconductor light emitting element 210 is arranged so that the optical axis of the irradiated light is inclined from the axis perpendicular to the upper wall surface portion 101a where the light emitting unit 200 is arranged.
  • the optical axis of the light emitted from the semiconductor light emitting element 210 is the optical axis A.
  • the axis perpendicular to the upper wall surface portion 101a is the normal line Q.
  • the optical axis A is inclined from the normal line Q.
  • the cover member 220 is a flat resin cover that covers the front of the semiconductor light emitting element 210 (the direction in which light is irradiated).
  • the cover member 220 includes a transmission part 221 and a groove part 222.
  • the transmission part 221 is a part that is provided in the central part of the cover member 220 and transmits light emitted from the semiconductor light emitting element 210.
  • the transmission part 221 includes an incident surface part 221a on a surface on which light emitted from the semiconductor light emitting element 210 is incident, and an emission surface part 221b on a surface on which light emitted from the semiconductor light emitting element 210 is emitted.
  • the surface of the cover member 220 other than the emission surface portion 221b has a different shape from the emission surface portion 221b and has an uneven shape (not shown) that diffusely reflects light. The light emitted from the light is irregularly reflected on the uneven surface, and the interior is illuminated uniformly.
  • FIG. 5 is a perspective view of the cover member 220 according to the embodiment of the present invention as viewed from the incident surface portion 221a side.
  • the incident surface portion 221 a is a surface portion disposed on the surface of the transmission portion 221 facing the semiconductor light emitting element 210.
  • the incident surface portion 221a is a planar surface portion perpendicular to the optical axis of the light emitted from the semiconductor light emitting element 210. That is, as shown in FIG. 4, the optical axis A of the light emitted from the semiconductor light emitting element 210 is orthogonal to the incident surface portion 221a.
  • the shape of the incident surface portion 221a is not limited to a planar shape, and may be, for example, a concave curved surface shape so that the distance from the semiconductor light emitting element 210 is equal.
  • FIG. 6 is a perspective view of the cover member 220 in the embodiment of the present invention as viewed from the discharge surface portion 221b side.
  • the emission surface portion 221b is a surface portion disposed on the surface of the transmission portion 221 corresponding to the incident surface portion 221a.
  • the emission surface portion 221b is a curved surface portion that diffuses light emitted from the semiconductor light emitting element 210.
  • the discharge surface portion 221 b has a convex curved surface shape so as to protrude from the center portion of the cover member 220.
  • the groove 222 is a groove formed in the front side surface of the cover member 220 and extending in the thickness direction of the cover member 220.
  • a plurality of groove portions 222 are formed on the front side surface of the cover member 220. That is, a plurality of protrusions extending in the thickness direction are formed on the front side surface of the cover member 220 by the plurality of groove portions 222.
  • the light is incident so that the optical axis of the light emitted from the semiconductor light emitting element 210 is perpendicular to the incident surface portion 221a of the cover member 220.
  • the light incident perpendicularly on the surface of the cover member 220 is not reflected by the cover member 220.
  • the semiconductor light emitting element 210 is tilted, the light emitted from the semiconductor light emitting element 210 can be reduced from being reflected by the cover member 220.
  • the illuminance of the emitted light can be increased.
  • the light emitted from the semiconductor light emitting element 210 is diffused and emitted from the curved emission surface portion 221b of the cover member 220. For this reason, since the said light is diffused and discharge
  • the cover member 220 has a plurality of grooves 222 extending in the thickness direction on the front side surface.
  • the light emitted from the semiconductor light emitting element 210 is reflected by the groove 222 and diffused forward. For this reason, the illumination intensity ahead of the cover member 220 can also be improved.
  • the light emitting unit 200 is disposed on the upper wall surface or the side wall surface of the main box body 101. For this reason, the illuminance of the light irradiated to the back side of the refrigerator 100 can be increased by directing the optical axis of the light irradiated from the semiconductor light emitting element 210 to the back side of the refrigerator 100.
  • the light emitting unit 200 is disposed in front of the shelf board 110. For this reason, since the light from the semiconductor light emitting element 210 is irradiated to the accommodations placed on the shelf board 110, the visibility of the accommodations can be improved.
  • the light emitting unit 200 is arranged on the ceiling surface of the main box body 101.
  • the wall surface on which the light emitting unit 200 is disposed is not particularly limited.
  • the light emitting unit 200 may be disposed on the side wall surface of the main box body 101.
  • the light emitting unit 200 may be arranged on the side wall of the refrigerator compartment 102 shown in FIG. Even in this case, the illuminance of the light irradiated on the back side of the refrigerator 100 can be increased by directing the optical axis of the light irradiated from the semiconductor light emitting element 210 toward the back side of the refrigerator 100.
  • the light emitting unit 200 may be disposed on the inner wall surface or floor surface of the main box body 101.
  • the shape and material of the cover member 220 are made of a flat resin, but the shape and material of the cover member 220 are not limited. That is, the material of the cover member 220 may be any material as long as the light emitted from the semiconductor light emitting element 210 can be transmitted. Further, the shape of the cover member 220 may be any shape other than the transmission part 221 and the groove part 222.
  • the shape of the discharge surface portion 221b is a curved surface shape.
  • the shape of the emission surface portion 221b is not limited to a curved surface shape, and may be, for example, a planar shape parallel to the incident surface portion 221a.
  • a plurality of grooves 222 are formed on the front side surface of the cover member 220.
  • the cover member 220 may not have the groove 222 formed therein.
  • the light emitting unit 200 is disposed in front of the shelf board 110.
  • the arrangement position of the light emitting unit 200 in the front-rear direction is not particularly limited.
  • the light emitting unit 200 may be arranged on the back side of the refrigerator 100 and used as illumination that illuminates the back side.
  • the present invention can be used for a refrigerator.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

L'invention concerne un réfrigérateur (100) comportant un caisson principal (101) avec une ouverture sur sa surface avant et une unité émettrice de lumière (200) qui est placée sur la surface de la paroi interne du caisson principal (101) et qui émet de la lumière vers l'intérieur du caisson principal (101). L'unité émettrice de lumière (200) est dotée d'un élément émetteur de lumière semiconducteur (210) qui est placé de façon que l'axe optique de la lumière émise est incliné par rapport à l'axe perpendiculaire à la surface de la paroi interne sur laquelle l'unité émettrice de lumière (200) est placée, et un élément couvercle (220) comportant une partie transmissive (221) par laquelle la lumière émise par l'élément semiconducteur émetteur de lumière (210) est transmise. La partie transmissive (221) comporte une surface incidente (221a) perpendiculaire à l'axe optique sur la surface par laquelle la lumière pénètre.
PCT/JP2011/000851 2010-02-26 2011-02-16 Réfrigérateur WO2011105026A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201180009470.9A CN102762940B (zh) 2010-02-26 2011-02-16 冷藏库

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2010-043215 2010-02-26
JP2010043215 2010-02-26
JP2011-022298 2011-02-04
JP2011022298A JP2011196674A (ja) 2010-02-26 2011-02-04 冷蔵庫

Publications (1)

Publication Number Publication Date
WO2011105026A1 true WO2011105026A1 (fr) 2011-09-01

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ID=44506461

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2011/000851 WO2011105026A1 (fr) 2010-02-26 2011-02-16 Réfrigérateur

Country Status (3)

Country Link
JP (1) JP2011196674A (fr)
CN (1) CN102762940B (fr)
WO (1) WO2011105026A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014156983A (ja) * 2013-02-18 2014-08-28 Mitsubishi Electric Corp 冷蔵庫及び照明装置
EP2594880A3 (fr) * 2011-11-18 2017-01-18 Lg Electronics Inc. Réfrigérateur
JP2017023523A (ja) * 2015-07-24 2017-02-02 パナソニックＩｐマネジメント株式会社 ドラム式洗濯機
WO2018123338A1 (fr) * 2016-12-28 2018-07-05 パナソニックＩｐマネジメント株式会社 Réfrigérateur
EP4184053A1 (fr) * 2021-11-22 2023-05-24 Self Electronics Co., Ltd. Lampe destinée à être utilisée dans une vitrine et vitrine associée

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6143924B2 (ja) * 2016-07-07 2017-06-07 三菱電機エンジニアリング株式会社 保存庫及び電子冷蔵庫
JP6463409B2 (ja) * 2017-06-05 2019-01-30 三菱電機エンジニアリング株式会社 保存庫及び電子冷蔵庫
JP7466379B2 (ja) * 2020-05-29 2024-04-12 東芝ライフスタイル株式会社 冷蔵庫

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09203582A (ja) * 1996-01-26 1997-08-05 Toshiba Lighting & Technol Corp 冷蔵庫用照明装置
JP2001082869A (ja) * 1999-09-13 2001-03-30 Sumitomo Electric Ind Ltd 低温貯蔵庫内における照明装置
JP2003092022A (ja) * 2001-09-19 2003-03-28 Yamada Shomei Kk 照明器具の放熱構造及び照明器具
JP2005019410A (ja) * 2003-06-25 2005-01-20 Gemtron Corp 照光棚
JP2007117702A (ja) * 2005-07-04 2007-05-17 Hoshizaki Electric Co Ltd ショーケース
JP2008070080A (ja) * 2006-09-15 2008-03-27 Matsushita Electric Ind Co Ltd 冷蔵庫
JP2008075935A (ja) * 2006-09-20 2008-04-03 Matsushita Electric Ind Co Ltd 収納庫
JP2010008017A (ja) * 2008-06-30 2010-01-14 Mitsubishi Electric Corp 冷蔵庫

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09203582A (ja) * 1996-01-26 1997-08-05 Toshiba Lighting & Technol Corp 冷蔵庫用照明装置
JP2001082869A (ja) * 1999-09-13 2001-03-30 Sumitomo Electric Ind Ltd 低温貯蔵庫内における照明装置
JP2003092022A (ja) * 2001-09-19 2003-03-28 Yamada Shomei Kk 照明器具の放熱構造及び照明器具
JP2005019410A (ja) * 2003-06-25 2005-01-20 Gemtron Corp 照光棚
JP2007117702A (ja) * 2005-07-04 2007-05-17 Hoshizaki Electric Co Ltd ショーケース
JP2008070080A (ja) * 2006-09-15 2008-03-27 Matsushita Electric Ind Co Ltd 冷蔵庫
JP2008075935A (ja) * 2006-09-20 2008-04-03 Matsushita Electric Ind Co Ltd 収納庫
JP2010008017A (ja) * 2008-06-30 2010-01-14 Mitsubishi Electric Corp 冷蔵庫

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2594880A3 (fr) * 2011-11-18 2017-01-18 Lg Electronics Inc. Réfrigérateur
JP2014156983A (ja) * 2013-02-18 2014-08-28 Mitsubishi Electric Corp 冷蔵庫及び照明装置
JP2017023523A (ja) * 2015-07-24 2017-02-02 パナソニックＩｐマネジメント株式会社 ドラム式洗濯機
WO2018123338A1 (fr) * 2016-12-28 2018-07-05 パナソニックＩｐマネジメント株式会社 Réfrigérateur
EP4184053A1 (fr) * 2021-11-22 2023-05-24 Self Electronics Co., Ltd. Lampe destinée à être utilisée dans une vitrine et vitrine associée

Also Published As

Publication number Publication date
CN102762940A (zh) 2012-10-31
CN102762940B (zh) 2015-01-07
JP2011196674A (ja) 2011-10-06

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