WO2018100731A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2018100731A1
WO2018100731A1 PCT/JP2016/085895 JP2016085895W WO2018100731A1 WO 2018100731 A1 WO2018100731 A1 WO 2018100731A1 JP 2016085895 W JP2016085895 W JP 2016085895W WO 2018100731 A1 WO2018100731 A1 WO 2018100731A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigerator
guide plate
light guide
air path
main body
Prior art date
Application number
PCT/JP2016/085895
Other languages
English (en)
Japanese (ja)
Inventor
博孝 矢野
中島　成巳
啓暢 橋爪
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/JP2016/085895 priority Critical patent/WO2018100731A1/fr
Priority to JP2018553618A priority patent/JP6689405B2/ja
Priority to CN201690000663.6U priority patent/CN208567301U/zh
Publication of WO2018100731A1 publication Critical patent/WO2018100731A1/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

Definitions

  • the present invention relates to a refrigerator provided with a lighting device that brightly illuminates the interior of a refrigerator compartment when the door is opened.
  • Patent Document 1 discloses a refrigerator including a light guide plate provided on the back surface of a refrigerator compartment and a plurality of LEDs arranged in parallel in the vertical direction so as to face incident surfaces at both left and right ends of the light guide plate. Yes.
  • a plurality of prism portions having a triangular cross section that converts the optical path of light and guides it to the indoor side are formed from one end side to the other end side of the light guide plate.
  • the present invention has been made to solve the above-described problems, and even if the number of light sources is reduced, the interior of the storage room can be reliably illuminated brightly, and the user has the impression of being a bright room.
  • An object of the present invention is to provide a refrigerator that can be used.
  • the refrigerator according to the present invention comprises a refrigerator body having an inner box and an outer box filled with a heat insulating material, a plurality of storage chambers provided in the inner box, and an opening on the front side, An air path that is provided between the inner box and the outer box and that sends cooling air to each of the storage rooms, and a plate that is provided inside the refrigerator body and on the back side of the storage room and covers the air path An air duct cover, a light guide plate disposed opposite to the planes of both ends of the air path cover, and one end side of the light guide plate provided on one end side of the light guide plate in the width direction of the refrigerator body An illuminating device that irradiates light toward the other end side, and the light guide plate extends in a height direction of the refrigerator main body on a plane facing the air path cover and faces the air path cover.
  • the rectangular parallelepiped-shaped wall body protruding in the width direction of the refrigerator main body Those which are more spaced from the one end along the other end side.
  • the rectangular parallelepiped wall extending in the height direction of the refrigerator main body and protruding toward the air path cover is formed on the plane of the light guide plate facing the air path cover from one end side of the light guide plate.
  • a plurality of light sources are provided at intervals along the other end side, and light emitted from the illumination device is refracted at the base of each wall body, and is emitted toward the interior using the same base as point light. Therefore, since this refrigerator has a plurality of point lights with a small number of light sources, the interior of the storage room can be surely illuminated brightly, and the user can have an impression that it is a bright storage room.
  • FIG. 2 is an enlarged cross-sectional view showing a main part taken along line AA shown in FIG.
  • FIG. 3 is an enlarged view of a B part shown in FIG. 2.
  • FIG. 1 is a front view showing the internal structure of the refrigerator according to the embodiment of the present invention.
  • FIG. 2 is an enlarged cross-sectional view of a main part taken along line AA shown in FIG.
  • FIG. 3 is an enlarged view of a portion B shown in FIG.
  • the refrigerator 100 according to the present embodiment has a space sealed by a resin inner box 10 that is the inner side of the refrigerator 100 and a steel plate outer box 11 that is the outer side of the refrigerator 100.
  • the formed refrigerator main body 1 is provided.
  • a vacuum heat insulating material (not shown) is installed in the inside sealed by the inner box 10 and the outer box 11, and is filled with a foam heat insulating material 13 such as urethane foam as shown in FIG.
  • the refrigerator main body 1 has an opening on the front surface, and the interior is partitioned by an upper partition wall 14 and a lower partition wall 15, and a plurality of storage rooms are provided.
  • the storage room is composed of a refrigerator room 2, a vegetable room 3, and a freezer room 4 in order from the top.
  • Each storage room is distinguished by a settable temperature zone (set temperature zone).
  • the refrigerator compartment 2 is about 0 ° C. to 4 ° C.
  • the vegetable compartment 3 is about 3 ° C. to 10 ° C.
  • the freezer compartment 4 is about
  • Each can be set between -16 ° C and -22 ° C.
  • the preset temperature of each storeroom is not restricted to this, A setting can be suitably changed according to an installation place and the contents.
  • a refrigerator compartment door 20 In each storage room, a refrigerator compartment door 20, a vegetable compartment door, and a freezer compartment door that cover the front opening of the refrigerator body 1 are provided to be freely opened and closed.
  • the refrigerator compartment door 20 is opened and the interior of the refrigerator compartment 2 is shown, and the vegetable compartment door and the freezer compartment door are omitted.
  • the refrigerator compartment 2 is provided with two shelves 21 for placing food along the height direction of the refrigerator body 1 in the illustrated example.
  • a drawer case 16 is provided in the lower part of the refrigerator compartment 2.
  • a cooling chamber that generates cool air supplied to each storage chamber.
  • a cooler evaporator
  • coolant is provided in the exterior of each storage chamber and a cooling chamber among the back sides of the refrigerator 100.
  • FIG. A compressor and a cooler constitute a refrigeration cycle together with a condenser, a decompression device, and a dryer. Between the cooling chamber and each storage chamber, an air passage through which cool air flows and a blower that blows cold air through the air passage are provided. The cold air generated by the cooler by the operation of the refrigeration cycle is blown by the blower and supplied to each storage room through the air passage.
  • the refrigerant gas that has been compressed by the compressor to a high temperature and high pressure is radiated by the condenser installed in the portion of the refrigerator body 1 that is filled with the heat insulating material to become a liquid refrigerant.
  • the liquid refrigerant passes through a dryer installed at the lower back of the refrigerator body 1, is decompressed by a decompression device, is sent to a cooler, and is vaporized. At this time, since the refrigerant absorbs ambient heat, the gas around the cooler is cooled.
  • the cold air cooled by the cooler flows into the freezer compartment air passage by a blower installed at the back of the freezer compartment 4.
  • the cold air that has flowed into the freezer compartment air passage is directed to the middle partition air passage disposed on the upper partition wall 14 that partitions the refrigerator compartment 2 and the vegetable compartment 3, and the lower partition wall 15 that partitions the vegetable compartment 3 and the freezer compartment 4. It flows into the arranged partition air path and flows into the refrigerating room air path 12 installed on the back surface of the refrigerating room 2.
  • the cool air is sent to each shelf 21 from the air outlet formed in the air path cover 5 installed on the back surface of the refrigerator compartment 2.
  • the food stored in each shelf 21 is cooled by the cool air sent.
  • the refrigerating chamber 2 has the refrigerating chamber air passage 12 disposed on the front surface of the refrigerating chamber air passage 12 through which the cooling air blown to the refrigerating chamber 2 flows, through a foam heat insulating material 13.
  • a covering plate-like air passage cover 5 is provided.
  • the air path cover 5 is made of a synthetic resin such as polypropylene, and is provided at a substantially central portion of the refrigerator compartment 2 from the upper surface to a position directly above the drawer case 16.
  • design plates 17 and 17 are provided on the back of the refrigerator compartment 2 and on the left and right sides of the air path cover 5, respectively.
  • the air path cover 5 includes a curved surface portion 50 curved in a fan shape so as to protrude toward the indoor side of the refrigerator compartment 2, and a flange bent outward from both ends of the curved surface portion 50. It is comprised by the surface parts 51 and 51.
  • FIG. A plurality of concave surfaces 52 (four in the illustrated example) continuous along the width direction of the refrigerator main body 1 are formed in the flange surface portion 51 in a shape in which the indoor side is recessed.
  • the number of the concave surfaces 52 illustrated is an example, and may be two or more.
  • the refrigerator 100 includes a light guide plate 6 disposed on the flange surface portion 51 of the air path cover 5 so that one plane is opposed to each other, and a guide in the width direction of the refrigerator body 1. And an illuminating device 8 that irradiates white light 9 from one end side of the light guide plate 6 toward the other end side.
  • the light guide plate 6 is provided with a rectangular parallelepiped wall 7 extending in the height direction of the refrigerator main body 1 and protruding toward the flange surface 51 on the plane facing the flange surface 51 of the air path cover 5. .
  • a plurality (five in the illustrated example) of the wall bodies 7 are provided at regular intervals L from one end side to the other end side of the light guide plate 6 in the width direction of the refrigerator main body 1.
  • the distance L between the adjacent wall bodies 7 and 7 is preferably about 5 mm to 15 mm. This is because the light can be refracted starting from the base of the wall 7 and the interval of the light emitted toward the interior of the refrigerator compartment 2 can be kept sufficiently, and the interior can be effectively brightened.
  • interval L between the adjacent wall bodies 7 and 7 is not limited to the said dimension, 5 mm or less or 15 mm or more may be used, and it shall change suitably with the magnitude
  • the light guide plate 6 is inclined at an angle ⁇ of 30 degrees with respect to the back surface of the refrigerator body 1 so that the end portion adjacent to the curved surface portion 50 of the air path cover 5 faces the indoor side.
  • the angle ⁇ at which the light guide plate 6 is tilted is preferably 30 degrees, but may be in the range of 10 degrees to 45 degrees with respect to the back surface of the refrigerator body 1.
  • the light guide plate 6 emits white light 9 emitted from the lighting device 8 at the base of the wall body 7. This is because the light cannot be sufficiently refracted and cannot be efficiently irradiated indoors.
  • the flange surface portion 51 of the air passage cover 5 is also inclined with respect to the back surface of the refrigerator body 1 at an angle ⁇ of 10 degrees to 45 degrees, similarly to the light guide plate 6.
  • the wall 7 of the light guide plate 6 is provided with the tip portion opposed to the ridge line 53 of the adjacent concave surface 52 formed on the flange surface portion 51 of the air passage cover 5. This is because, as shown in FIG. 3, the white light 9 emitted from the lighting device 8 and emitted from the tip of each wall body 7 toward the concave surface 52 is refracted and curved most closely to the ridgeline 53. This is because the portion in the refrigerator compartment 2 is irradiated and reflected to brighten the interior of the refrigerator compartment 2 more effectively.
  • the wall body 7 of the light guide plate 6 is desirably disposed to face the ridge line 53, the present invention is not limited to this.
  • a holding unit 60 for arranging the lighting device 8 is provided at one end of the light guide plate 6, a holding unit 60 for arranging the lighting device 8 is provided.
  • the holding part 60 has a shape curved in an arc shape when seen in a plan view, and the lighting device 8 is disposed in the curved surface.
  • the lighting device 8 is a device that illuminates the inside of the refrigerator compartment 2 brightly.
  • the illuminating device 8 includes an LED substrate 80 and LED elements 81 arranged on the LED substrate 80. Two or more LED elements 81 are arranged at a certain interval in the height direction of the refrigerator body 1. In the lighting device 8, the LED element 81 faces the one end surface of the light guide plate 6 in the width direction of the refrigerator main body 1. White light 9 emitted from the illumination device 8 enters from one end surface of the light guide plate 6 and travels toward the other end surface.
  • the lighting device may have a configuration in which one LED element 81 is provided on the LED substrate 80. That is, the number of LED elements 81 is appropriately changed according to the structure of the refrigerator.
  • the refrigerator 100 since the LED substrate 80 is not energized when the refrigerator compartment door 20 is closed, the interior of the refrigerator compartment 2 becomes dark.
  • the refrigerator 100 when the refrigerator compartment door 20 is opened, the refrigerator 100 has a forward current flowing through the LED substrate 80 and white light 9 is emitted. It becomes easy for a person to confirm the food placed on each shelf 21.
  • the white light 9 emitted from the LED element 81 travels from one end of the light guide plate 6 toward the other end.
  • the white light 9 traveling through the light guide plate 6 is refracted at the base of each wall body 7 with the white light 9a traveling directly toward the other end of the light guide plate 6, and the optical path is changed.
  • the white light 9b emitted toward the room and the white light 9c emitted toward the flange surface portion 51 from the tip of each wall 7 are dispersed.
  • one LED element 81 emits five spot lights, and the five spot lights enter the interior of the refrigerator compartment 2 from the five spot lights.
  • White light 9b is emitted toward the camera. Further, the white light 9c emitted toward the flange surface portion 51 is reflected by the concave surface 52 of the flange surface portion 51 and emitted toward the interior of the refrigerating room 2 to illuminate the interior together with the white light 9b.
  • the rectangular parallelepiped wall 7 that extends in the height direction of the refrigerator main body 1 and projects toward the air path cover 5 on the plane of the light guide plate 6 facing the air path cover 5. Since a plurality of light guide plates 6 are provided at intervals L from one end side to the other end side of the light guide plate 6 in the width direction of the refrigerator main body 1, the white light 9 emitted from the lighting device 8 is the root of each wall body 7. Is refracted and emitted toward the inside of the refrigerating room 2 with the root as a point light.
  • this refrigerator 100 can have a plurality of spotlights with a small number of light sources (LED elements 81), it gives the user the impression that it is a bright room, similar to a refrigerator equipped with a lighting device having many light sources. be able to.
  • the refrigerator 100 has a plurality of point lights with a small number of light sources, the number of LED elements 81 arranged on the LED substrate 80 can be reduced, and the manufacturing cost can be suppressed, which is economical.
  • a plurality of curved concave surfaces 52 that continue along the width direction of the refrigerator main body 1 are provided on the planes at both ends of the air path cover 5 on the side facing the light guide plate 6.
  • the wall 7 of the light guide plate 6 is provided so as to face the ridge line 53 of the adjacent concave surface 52. Therefore, in the refrigerator 100, the white light 9 emitted from the lighting device 8 and emitted from the front end portion of each wall body 7 toward the concave surface 52 is refracted at the most curved portion near the ridgeline 53. Irradiated and reflected, the interior of the refrigerator compartment 2 can be brightened more effectively.
  • chamber interior of the refrigerator compartment 2, and the flange surface part 51 bent outward from the both ends of the curved surface part 50 are comprised.
  • the light guide plate 6 is disposed so as to face the flange surface portion 51. That is, the air path cover 5 has an optimal shape that covers the refrigerator compartment air path 12 with the curved surface portion 50 and can reflect the white light 9c emitted from the light guide plate 6 with the flange surface portion 51. Therefore, this refrigerator 100 can achieve space saving of the refrigerator body 1.
  • the illuminating device 8 is comprised by the LED board 80 which has the some LED element 81 arrange
  • the white light 9 is made into the base of the wall 7 It can be bent sufficiently and can be efficiently irradiated toward the inside of the refrigerator compartment 2.
  • the present invention is not limited to the configuration of the embodiment described above.
  • the shape of the air path cover 5 is not limited to the above configuration, and may be another configuration.
  • the flange surface portion 51 of the air passage cover 5 may be flat without forming the concave surface 52.
  • the illumination device 8 constituted by the LED substrate 80 having the plurality of LED elements 81 and the light guide plate 6 having the plurality of wall bodies 7 are provided on the back side of the refrigerator body 1.
  • it may be provided on the side surface of the refrigerator body 1 or the ceiling surface.
  • the scope of the present invention also includes the scope of various changes, applications, and uses made by those skilled in the art as needed.
  • refrigerator main body 1, refrigerator main body, 2 refrigerator compartment, 3 vegetable room, 4 freezer room, 5 airway cover, 6 light guide plate, 7 wall body, 8 lighting device, 9, 9a, 9b, 9c white light, 10 inner box, 11 outside Box, 12 refrigerator compartment air passage, 13 foam insulation, 14 upper partition wall, 15 lower partition wall, 16 drawer case, 17 design plate, 20 refrigerator compartment door, 21 shelves, 50 curved surface portion, 51 flange surface portion, 52 concave surface, 53 ridgeline, 60 holding part, 80 LED board, 81 LED element, 100 refrigerator.

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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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

L'invention concerne un réfrigérateur comprenant: un corps de réfrigérateur dans lequel un espace intérieur renfermé par une boîte interne et une boîte externe est rempli d'un matériau isolant, qui est pourvu d'une pluralité de chambres de stockage dans la boîte interne, et qui a une ouverture sur la face avant; un conduit d'air qui est disposé entre la boîte interne et la boîte externe et qui envoie de l'air froid à chacune des chambres de stockage; un couvercle de conduit d'air en forme de plaque qui est à l'intérieur du corps de réfrigérateur et qui recouvre le conduit d'air en étant disposé sur le côté de face arrière de la chambre de stockage; des plaques de guidage de lumière qui sont disposées vis-à-vis des faces plates des deux extrémités du couvercle de conduit d'air; et un dispositif d'éclairage qui est disposé sur une extrémité de la plaque de guidage de lumière dans la direction de la largeur du corps de réfrigérateur et qui émet de la lumière de la première extrémité de la plaque de guidage de lumière à l'autre extrémité. La plaque de guidage de lumière est pourvue, sur un plan opposé au couvercle de conduit d'air, d'une pluralité de corps de paroi cuboïde qui s'étendent dans la direction de la hauteur du corps de réfrigérateur et qui font saillie vers le couvercle de conduit d'air d'une extrémité de la plaque de guidage de lumière à l'autre extrémité dans la direction de la largeur du corps de réfrigérateur avec des espaces entre eux.
PCT/JP2016/085895 2016-12-02 2016-12-02 Réfrigérateur WO2018100731A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2016/085895 WO2018100731A1 (fr) 2016-12-02 2016-12-02 Réfrigérateur
JP2018553618A JP6689405B2 (ja) 2016-12-02 2016-12-02 冷蔵庫
CN201690000663.6U CN208567301U (zh) 2016-12-02 2016-12-02 冰箱

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/085895 WO2018100731A1 (fr) 2016-12-02 2016-12-02 Réfrigérateur

Publications (1)

Publication Number Publication Date
WO2018100731A1 true WO2018100731A1 (fr) 2018-06-07

Family

ID=62242784

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/085895 WO2018100731A1 (fr) 2016-12-02 2016-12-02 Réfrigérateur

Country Status (3)

Country Link
JP (1) JP6689405B2 (fr)
CN (1) CN208567301U (fr)
WO (1) WO2018100731A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000019330A (ja) * 1998-06-30 2000-01-21 Fujitsu Kasei Kk フロントライトユニット及び液晶ディスプレイ装置
JP2013174382A (ja) * 2012-02-24 2013-09-05 Sharp Corp 冷蔵庫
JP2016066847A (ja) * 2014-09-24 2016-04-28 キヤノン株式会社 導光ユニット及びそれを用いた照明装置、画像読取装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000019330A (ja) * 1998-06-30 2000-01-21 Fujitsu Kasei Kk フロントライトユニット及び液晶ディスプレイ装置
JP2013174382A (ja) * 2012-02-24 2013-09-05 Sharp Corp 冷蔵庫
JP2016066847A (ja) * 2014-09-24 2016-04-28 キヤノン株式会社 導光ユニット及びそれを用いた照明装置、画像読取装置

Also Published As

Publication number Publication date
JP6689405B2 (ja) 2020-04-28
JPWO2018100731A1 (ja) 2019-07-11
CN208567301U (zh) 2019-03-01

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