WO2023006037A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

Info

Publication number
WO2023006037A1
WO2023006037A1 PCT/CN2022/108635 CN2022108635W WO2023006037A1 WO 2023006037 A1 WO2023006037 A1 WO 2023006037A1 CN 2022108635 W CN2022108635 W CN 2022108635W WO 2023006037 A1 WO2023006037 A1 WO 2023006037A1
Authority
WO
WIPO (PCT)
Prior art keywords
compartment
air
refrigerator
small
air duct
Prior art date
Application number
PCT/CN2022/108635
Other languages
English (en)
Chinese (zh)
Inventor
町田典正
木部宏
片桐贤宏
冢原纮也
Original Assignee
海尔智家股份有限公司
青岛海尔电冰箱有限公司
Aqua 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 海尔智家股份有限公司, 青岛海尔电冰箱有限公司, Aqua 株式会社 filed Critical 海尔智家股份有限公司
Priority to CN202280052833.5A priority Critical patent/CN117813475A/zh
Publication of WO2023006037A1 publication Critical patent/WO2023006037A1/fr

Links

Images

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
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • 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
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • 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

Definitions

  • the present invention relates to a refrigerator. Specifically, the present invention relates to a refrigerator provided with a small refrigerator compartment inside the refrigerator compartment.
  • Patent Document 1 Japanese Unexamined Patent Application Publication No. 2018-44687
  • a refrigerator in which a storage container is disposed inside a refrigerator compartment.
  • a soft-frozen (chilled) container is accommodated in the lowermost part of the refrigerator compartment.
  • the air blown by the blower is supplied to the refrigerator compartment through the air duct formed on the rear side of the refrigerator compartment.
  • part of the air blown through the air duct does not pass through the refrigerator compartment, but is blown to the soft freezer, and cold air is directly supplied to storage items such as meat.
  • the temperature inside the container of the soft freezer is lower than the indoor temperature of the refrigerator, for example, about 0°C. This makes it possible to preserve foods such as meat stored in the soft freezer container.
  • the small refrigerator compartment is cooled by inflow of cooled air through the cooling compartment.
  • the air that cooled the small refrigerating room returns to the cooling room via the vicinity of the small refrigerating room.
  • the returned air heats up the small refrigerating room. In this way, there is a problem of preventing lowering of the temperature and constant temperature of the small refrigerator.
  • the present invention was made in consideration of the foregoing circumstances, and an object of the present invention is to provide a refrigerator capable of effectively achieving low temperature and constant temperature of a small refrigerator compartment.
  • the refrigerator of the present invention includes: a refrigerating room; a cooling room in which air blown into the refrigerating room is cooled by a cooler; a first small refrigerating room partitioned inside the refrigerating room; a second small refrigerating room , which is partitioned inside the refrigerating room and arranged below the first small refrigerating room; and a partition wall for separating the first small refrigerating room and the second small refrigerating room;
  • the partition wall has a return air channel through which the air that has cooled the refrigerating room returns to the cooling room, and a heat insulation layer disposed between the return air channel and the first small refrigerating room.
  • the return air duct has a vertical air duct extending in the vertical direction and a horizontal air duct extending in the horizontal direction, the upper end of the longitudinal air duct is exposed in the refrigerator compartment, and the lower end is connected to the refrigerator compartment.
  • the transverse air ducts are connected, and the corners of the joints between the longitudinal air ducts and the transverse air ducts are curved.
  • the return air passage is formed as a gap between the heat insulating layer and the plate member, and the convex portion protruding from the main surface of the heat insulating layer contacts the plate member, so The cross-section of the convex portion is roughly boat-shaped.
  • the first small refrigerator compartment is a soft freezer compartment
  • the second small refrigerator compartment is a vegetable compartment
  • the air passing through the return air duct is blown to the vegetable compartment.
  • the air that has cooled the soft freezer compartment is returned to the cooling compartment.
  • the first small refrigerator compartment is a soft freezer compartment
  • the second small refrigerator compartment is a vegetable compartment
  • the refrigerator further includes a vegetable compartment storage container disposed inside the vegetable compartment.
  • the heat insulation layer is disposed between the soft freezer compartment and the vegetable compartment
  • the rear end of the return air duct is disposed on the rear side of the rear end of the vegetable compartment storage container.
  • the refrigerator of the present invention includes: a refrigerating room; a cooling room in which air blown into the refrigerating room is cooled by a cooler; a first small refrigerating room partitioned inside the refrigerating room; a second small refrigerating room , which is partitioned inside the refrigerating room and arranged below the first small refrigerating room; and a partition wall for separating the first small refrigerating room and the second small refrigerating room;
  • the partition wall has a return air channel through which the air that has cooled the refrigerating room returns to the cooling room, and a heat insulation layer disposed between the return air channel and the first small refrigerating room.
  • the refrigerator of the present invention lowering of the temperature and constant temperature of the first small refrigerator compartment can be effectively achieved. Specifically, since a heat insulating layer is provided between the return air duct for returning the air cooled in the refrigerating room and the first small refrigerating room, the return air passing through the returning air channel is prevented from raising the indoor temperature of the first small refrigerating room. .
  • the return air duct has a vertical air duct extending in the vertical direction and a horizontal air duct extending in the horizontal direction, the upper end of the longitudinal air duct is exposed in the refrigerator compartment, and the lower end is connected to the refrigerator compartment.
  • the transverse air ducts are connected, and the corners of the joints between the longitudinal air ducts and the transverse air ducts are curved.
  • the air duct resistance inside the return air duct can be reduced. Thereby, air can be circulated favorably and the refrigerator compartment can be cooled efficiently.
  • the return air passage is formed as a gap between the heat insulating layer and the plate member, and the convex portion protruding from the main surface of the heat insulating layer contacts the plate member, so The cross-section of the convex portion is roughly boat-shaped. According to the refrigerator of the present invention, since the convex portion formed in the return air duct is formed in a boat shape, it is possible to suppress the obstruction of the air flow by the convex portion.
  • the first small refrigerator compartment is a soft freezer compartment
  • the second small refrigerator compartment is a vegetable compartment
  • the air passing through the return air duct is blown to the vegetable compartment.
  • the air that has cooled the soft freezer compartment is returned to the cooling compartment.
  • the refrigerator of the present invention since the high-temperature air that has cooled the refrigerator compartment is blown to the vegetable compartment, it is possible to keep the vegetable compartment at an appropriate temperature.
  • the air which cooled the soft freezer is blown to the vegetable compartment through a route different from that of the refrigerator compartment, excessive cooling of the vegetable compartment can be suppressed.
  • the first small refrigerator compartment is a soft freezer compartment
  • the second small refrigerator compartment is a vegetable compartment
  • the refrigerator further includes a vegetable compartment storage container disposed inside the vegetable compartment.
  • the heat insulation layer is disposed between the soft freezer compartment and the vegetable compartment
  • the rear end of the return air duct is disposed on the rear side of the rear end of the vegetable compartment storage container.
  • Fig. 1 is a side sectional view showing an internal structure of a refrigerator according to an embodiment of the present invention.
  • Fig. 2A is a perspective view showing a box-shaped storage portion of the refrigerator according to the embodiment of the present invention.
  • Fig. 2B is an exploded perspective view showing a box-shaped storage portion of the refrigerator according to the embodiment of the present invention.
  • Fig. 3A is a perspective view showing a soft freezer compartment of the refrigerator according to the embodiment of the present invention.
  • Fig. 3B is a perspective view showing a soft freezer compartment of the refrigerator according to the embodiment of the present invention.
  • Fig. 4A is a perspective view showing a partition wall of the refrigerator according to the embodiment of the present invention seen from above.
  • Fig. 4B is a perspective view showing a partition wall of the refrigerator according to the embodiment of the present invention viewed from below.
  • Fig. 5 is a side sectional view showing a soft freezer compartment and its peripheral parts of the refrigerator according to the embodiment of the present invention.
  • Fig. 6A is an exploded perspective view illustrating the detailed structure of the partition wall of the refrigerator according to the embodiment of the present invention.
  • Fig. 6B is a perspective view showing details of a lower plate member of the refrigerator according to the embodiment of the present invention.
  • refrigerator 10 according to the embodiment of the present invention will be described in detail based on the drawings.
  • the same reference numerals are used for the same components, and repeated descriptions are omitted.
  • each direction of up, down, front, back, left and right will be used for description, but left and right are left and right when refrigerator 10 is seen from the front.
  • FIG. 1 is a side sectional view of a refrigerator 10 .
  • the heat insulation box 11 which comprises the main-body part of the refrigerator 10 has the outer shell 111, the inner container 112, and the heat insulation material 113.
  • the casing 111 is made of a steel plate bent into a predetermined shape.
  • the inner liner 112 is formed of a synthetic resin plate arranged on the inner side spaced apart from the outer shell 111 .
  • the heat insulating material 113 is formed of polyurethane foam filled between the outer case 111 and the inner tank 112 .
  • the storage room inside the heat insulation box 11 is divided into a refrigerator room 12 and a freezer room 13 from top to bottom.
  • Refrigerating room 12 and freezing room 13 are partitioned by heat insulating wall 17 having the same heat insulating structure as heat insulating box 11 .
  • the front opening of the refrigerator compartment 12 is closed with an insulating door 18
  • the front opening of the freezing compartment 13 is closed with an insulating door 19 .
  • the indoor temperature of refrigerator compartment 12 is, for example, 2°C to 5°C
  • the indoor temperature of freezer compartment 13 is, for example, -20°C to -18°C.
  • a partition plate 16 is provided inside the refrigerator compartment 12 .
  • the soft freezer compartment 20 is a first small refrigerator compartment partitioned inside the refrigerator compartment 12 .
  • the soft freezer compartment 20 is cooled to a lower temperature than other regions of the refrigerator compartment 12, for example, the interior thereof is cooled to -4°C or higher and -2°C or lower.
  • the soft freezer 20 is formed inside the storage container 29 .
  • the storage container 29 is a substantially rectangular parallelepiped synthetic resin container with an open upper surface, and can be drawn out in the front-rear direction.
  • the soft freezer compartment 20 has an air introduction part 41 and a storage part 42 .
  • the air introduction part 41 is an area for blowing air through the air duct 118 and the air outlet 37
  • the storage part 42 is an area for storing objects to be stored such as meat.
  • Vegetable compartment 30 is a second small refrigerator compartment partitioned in refrigerator compartment 12 and is formed under soft freezer compartment 20 .
  • a storage container 33 as a vegetable compartment storage container.
  • the storage container 33 is a substantially cuboid synthetic resin container with an open upper surface, and can be drawn out in the front-rear direction.
  • the upper surface opening of the storage container 33 is covered with the partition wall 21 .
  • the inside of vegetable compartment 30 is cooled to, for example, 3° C. or higher and 7° C. or lower.
  • a cooling chamber 115 is formed at the rear side of the freezing chamber 13 .
  • An evaporator 116 serving as a cooler is disposed inside the cooling chamber 115 .
  • the machine room 14 is partitioned and formed in the rear of the lower end side of the refrigerator 10, and the compressor 15 is arrange
  • the evaporator 116 and the compressor 15 form a vapor compression refrigeration cycle together with a condenser and an expansion device not shown here.
  • the evaporator 116 cools the air inside the cooling chamber 115 and blows the air into each storage chamber so that the indoor temperature of each storage chamber falls within a predetermined cooling temperature range.
  • blower 39 is disposed above evaporator 116 .
  • Blower 39 is an axial blower or a centrifugal blower, and blows air cooled by evaporator 116 to refrigerator compartment 12 and freezer compartment 13 .
  • a defrosting heater 117 is arranged below the evaporator 116. With the operation of the vapor compression refrigeration cycle, a thick frost is formed on the surface of the evaporator 116 .
  • a control device stops the compressor 15, closes the cooling chamber 115, energizes and heats the defrosting heater 117, and performs a defrosting operation to melt and remove frost.
  • a shielding device for appropriately closing the air duct is arranged near the air blower 39 .
  • Air duct 118 is formed upward from the cooling chamber 115 .
  • Air outlet 32 is formed in an upper portion of air duct 118 and is an opening for blowing air into refrigerator compartment 12 .
  • a damper 31 is installed in the air supply channel 118 .
  • the damper 31 is a multi-way damper capable of independently opening and closing the air supply duct 118 connected to the refrigerating compartment 12 and the air supply duct 118 connected to the soft freezer compartment 20 .
  • the cooling operation in refrigerator 10 will be described.
  • the compressor 15 of the refrigerating cycle is operated based on an instruction from an arithmetic control unit not shown here, and the air inside the cooling chamber 115 is cooled by the evaporator 116 .
  • the air in cooling chamber 115 is blown by blower 39 , and the cooled air is blown to refrigerator compartment 12 through air duct 118 and air outlet 32 .
  • a part of the cooled air is supplied to soft freezer compartment 20 via air duct 118 and air outlet 37 .
  • a part of the cooled air is also supplied to freezer compartment 13 .
  • the air which cooled refrigerator compartment 12 returns to cooling compartment 115 via vegetable compartment 30 .
  • the air that cooled the soft freezing compartment 20 and the freezing compartment 13 is also returned to the cooling compartment 115 .
  • FIG. 2A is a perspective view showing the box-shaped storage portion 43
  • FIG. 2B is a perspective view showing respective side portions constituting the box-shaped storage portion 43 .
  • box-shaped storage unit 43 is arranged inside soft freezer compartment 20 shown in FIG.
  • a substantially plate-shaped heat insulating material made of foam plastic or the like described later is arranged on the upper side, left and right sides, and rear side of the box-shaped storage portion 43 .
  • the aforementioned box-shaped storage portion 43 is built with a left wall portion 431 , a right wall portion 432 , an upper surface portion 433 and a rear surface portion 434 made of insulating materials such as foam plastics.
  • the left wall portion 431 is built in the left side of the box-shaped storage portion 43 .
  • the right wall portion 432 is built into the right side of the box-shaped storage portion 43 .
  • the upper surface portion 433 is built into the upper surface of the box-shaped storage portion 43.
  • the rear portion 434 is housed in the rear side of the box-shaped storage portion 43 .
  • the left wall portion 431 , the right wall portion 432 , the upper surface portion 433 and the rear surface portion 434 are insert-molded.
  • the upper surface portion 433 is arranged on the upper side of the air introduction portion 41 .
  • the heat insulation effect of the storage portion 42 can be improved.
  • a part of the box-shaped storage unit 43 may be replaced by other parts of the refrigerator 10 .
  • the rear surface 434 of the box-shaped storage portion 43 may be constituted by a multi-pipe cover not shown here.
  • the right wall part 432 of the box-shaped storage part 43 may also be comprised by the inner container 112 which is not shown here.
  • FIG. 3A is a perspective view of the soft freezer compartment 20 viewed from the front right side
  • FIG. 3B is a perspective view of the soft freezer compartment 20 viewed from the front left side.
  • the path of the air is shown with dashed arrows.
  • the blower port 44 is formed on the left end side of the top surface of the box-shaped storage portion 43 .
  • the blower port 44 is a through hole for communicating the air introduction part 41 and the storage part 42 shown in FIG. 1 .
  • the blower port 44 is also formed on the right end side of the top surface of the box-shaped storage portion 43 .
  • FIG. 4A is a perspective view of the partition wall 21 viewed from the upper front side.
  • FIG. 4B is a perspective view of the partition wall 21 viewed from the front lower side.
  • the partition wall 21 is a wall member for partitioning the soft freezer compartment 20 and the vegetable compartment 30 up and down.
  • the upper surface opening 35 is an opening formed in the upper surface of the partition wall 21 .
  • the upper surface opening 35 is an opening formed in a substantially rectangular shape, and is formed in an intermediate portion of the partition wall 21 in the front-rear direction.
  • a plurality of upper surface openings 35 are formed in the left-right direction. As described later, the upper surface opening 35 is an opening through which return air from the refrigerating compartment 12 enters.
  • the front surface portion 34 constitutes a front surface portion of the partition wall 21 and has a flat surface.
  • the transparent plate 40 is formed of a glass plate or the like embedded in the front portion of the partition wall 21 . Referring to FIG. 1 , since the transparent plate 40 is provided, the user can see and confirm vegetables and the like stored in the vegetable compartment 30 through the front portion of the partition wall 21 when the insulating door 18 is opened. That is, the user can see and confirm the inside of the vegetable compartment 30 without pulling the vegetable compartment 30 forward.
  • the rear side portion of the soft freezer 20 may be constituted by a multi-pipe cover not shown here. Furthermore, the right side part of the soft freezer compartment 20 may also be comprised of the inner liner 112 which is not shown here.
  • the lower surface opening 36 is a portion where the rear portion of the lower surface of the partition wall 21 is opened.
  • the lower surface opening 36 is provided at the rear end portion of the partition wall 21 .
  • a plurality of lower surface openings 36 are formed in the left-right direction. As will be described later, the lower surface opening 36 is a portion for discharging air to the vegetable compartment 30 .
  • FIG. 5 is a side sectional view showing the soft freezer 20 and its vicinity.
  • the rear portion of the partition wall 21 has a return duct 22 through which the air that has cooled the refrigerating compartment 12 returns to the cooling compartment 115 , and a heat insulating layer 23 arranged between the return duct 22 and the soft freezer compartment 20 .
  • the return air duct 22 has a longitudinal air duct 24 extending in the vertical direction and a transverse air duct 25 extending in the lateral direction. As for the longitudinal air duct 24 , its upper end is exposed in the refrigerator compartment 12 , and its lower end is connected with the transverse air duct 25 .
  • the longitudinal air duct 24 is formed below the front end side of the soft freezer compartment 20 .
  • the upper end of the longitudinal air duct 24 is an upper surface opening 35 shown in FIG. 4A .
  • the horizontal air duct 25 is a cavity formed under the heat insulating layer 23 and is connected to the rear end of the partition wall 21 .
  • the rear end of the return air duct 22 is a lower surface opening 36 shown in FIG. 4B .
  • the lower surface opening 36 is formed on the rear side than the rear surface of the storage container 33 .
  • the corner 26 of the connecting portion where the lower end of the longitudinal air duct 24 is connected to the front end of the transverse air duct 25 is a curved surface.
  • the heat insulating layer 23 is made of, for example, polyurethane foam or the like, and forms an upper portion of the partition wall 21 .
  • the heat insulation layer 23 is arranged between the return air duct 22 and the soft freezing compartment 20 to suppress heat exchange between the return air duct 22 and the soft freezing compartment 20 .
  • the heat insulation layer 23 is arrange
  • the rear side of the partition wall 21 is formed with a soft freezer return air duct 38 for returning the air cooled by the soft freezer 20 to the cooling room 115 .
  • the air which cooled the soft freezer compartment 20 is blown to the vegetable compartment 30 after passing through the soft freezer return duct 38 .
  • the air blown into the refrigerator compartment 12 through the air duct 118 returns to the cooling compartment 115 after passing through the vegetable compartment 30 .
  • the air that cooled the refrigerating compartment 12 is introduced into the vegetable compartment 30 through the return air duct 22 formed inside the partition wall 21 , and the air that cooled the vegetable compartment 30 returns to the aforementioned cooling compartment 115 .
  • the temperature of the air flowing through the return air duct 22 is, for example, about 4°C.
  • the indoor temperature of the soft freezer compartment 20 arranged directly above the return duct 22 is, for example, -3°C.
  • the return air circulating inside the return air passage 22 may inadvertently heat up the soft freezer 20, which may reduce the freshness of stored items such as meat stored in the soft freezer 20.
  • a heat insulation layer 23 is provided between the return air duct 22 and the soft freezer compartment 20 . In this way, inadvertent heat exchange between the high-temperature return air flowing through the return air duct 22 and the low-temperature room air in the soft freezer compartment 20 is restricted, and an increase in the indoor temperature of the soft freezer compartment 20 can be suppressed.
  • the lower surface opening 36 which is an air blowing port which blows air from the partition wall 21 to the vegetable compartment 30 is formed in the rear side rather than the rear end part of the storage container 33. Accordingly, the air blown from the lower surface opening 36 to the vegetable compartment 30 is not directly introduced into the storage container 33, but cools the storage container 33 from the periphery. Thereby, vegetables and the like stored inside the storage container 33 can be properly stored.
  • FIG. 6A is an exploded perspective view of partition wall 21 seen from below
  • FIG. 6B is a perspective view of lower plate member 272 seen from above.
  • the partition wall 21 has an upper plate member 271 , a heat insulating layer 23 , and a lower plate member 272 .
  • the partition wall 21 has a structure in which the heat insulating layer 23 is sandwiched between the upper plate member 271 and the lower plate member 272 .
  • the upper plate member 271 is formed of a synthetic resin plate and covers the heat insulating layer 23 from above.
  • the heat insulating layer 23 is a substantially plate-shaped member made of urethane foam or the like.
  • a convex portion 28 is formed on the lower surface of the heat insulating layer 23 .
  • the lower plate member 272 is formed of a synthetic resin plate and covers the heat insulating layer 23 from below.
  • Return air duct 22 shown in FIG. 5 is formed as a gap between heat insulating layer 23 and lower plate member 272 .
  • the thickness of the return air duct 22 formed at the lower surface of the heat insulating layer 23 and the upper surface of the lower plate member 272 is determined.
  • the cross-sectional shape of the convex part 28 is substantially a boat shape according to the flow of the air inside the return air duct 22 .
  • boat shape refers to a shape in which the head and tail in the longer direction stand up slenderly like the bow of a ship. Since the convex portion 28 is substantially boat-shaped, it is possible to suppress the hindrance of the air flow by the convex portion 28 . Furthermore, since the convex part 28 is substantially boat-shaped, it is possible to rectify the air flowing through the horizontal air duct 25 .
  • the return air passing through the return air duct 22 is restrained from causing soft freezing.
  • the indoor temperature of the chamber 20 is raised.
  • the freshness of the fish or meat stored in the soft freezer 20 can be maintained, for example, for 10 days or more.
  • the partition plate below the soft freezer compartment 20 becomes unnecessary, the overall structure of the refrigerator 10 can be simplified.
  • the corner 26 of the connecting portion connecting the longitudinal air duct 24 and the transverse air duct 25 of the return air duct 22 into a curved surface by making the corner 26 of the connecting portion connecting the longitudinal air duct 24 and the transverse air duct 25 of the return air duct 22 into a curved surface, the internal air duct resistance of the return air duct 22 can be reduced. Thereby, air can be circulated favorably, and the vegetable compartment 30 can be efficiently cooled.
  • the convex portion 28 formed at the return air duct 22 is made into a boat shape, it is possible to suppress hindrance of the air flow by the convex portion 28 .
  • the rear end of the return air duct 22 is arranged on the rear side than the rear end of the storage container 33 , it is possible to prevent the air from the refrigerator 10 from directly flowing into the storage container 33 , and it is possible to prevent the storage container 33 from The interior is overcooled.

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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Refrigerator Housings (AREA)

Abstract

L'invention concerne un réfrigérateur apte à obtenir efficacement une température basse et une température constante dans une petite chambre de réfrigération. Le réfrigérateur (10) comprend une chambre de réfrigération (12) ; une chambre de refroidissement (15) dans laquelle de l'air soufflé dans la chambre de réfrigération (12) est refroidi par un refroidisseur ; une chambre de congélation douce (20) qui est formée à l'intérieur de la chambre de réfrigération (12) ; une chambre pour légumes (30) qui est formée à l'intérieur de la chambre de réfrigération (12) et disposée en dessous de la chambre de congélation douce (20) ; et une paroi de séparation (21) qui sépare la chambre de congélation douce (20) et la chambre pour légumes (30). La paroi de séparation (21) a un conduit d'air de retour (22) qui permet à de l'air refroidissant la chambre de réfrigération (12) de retourner à la chambre de refroidissement (115), et une couche d'isolation thermique (23) qui est disposée entre le conduit d'air de retour (22) et la chambre de congélation douce (20).
PCT/CN2022/108635 2021-07-30 2022-07-28 Réfrigérateur WO2023006037A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202280052833.5A CN117813475A (zh) 2021-07-30 2022-07-28 冰箱

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-124976 2021-07-30
JP2021124976A JP2023019908A (ja) 2021-07-30 2021-07-30 冷蔵庫

Publications (1)

Publication Number Publication Date
WO2023006037A1 true WO2023006037A1 (fr) 2023-02-02

Family

ID=85086296

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/108635 WO2023006037A1 (fr) 2021-07-30 2022-07-28 Réfrigérateur

Country Status (3)

Country Link
JP (1) JP2023019908A (fr)
CN (1) CN117813475A (fr)
WO (1) WO2023006037A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1283775A (zh) * 1999-08-06 2001-02-14 三菱电机株式会社 冷冻冰箱
JP2007046849A (ja) * 2005-08-10 2007-02-22 Toshiba Corp 冷蔵庫
CN101839602A (zh) * 2009-03-20 2010-09-22 海尔集团公司 制冷装置及其冷藏室的温控方法
CN109708377A (zh) * 2017-10-26 2019-05-03 日立空调·家用电器株式会社 冰箱
CN110094920A (zh) * 2018-01-31 2019-08-06 日立空调·家用电器株式会社 冰箱
CN111578583A (zh) * 2019-02-19 2020-08-25 夏普株式会社 冰箱

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1283775A (zh) * 1999-08-06 2001-02-14 三菱电机株式会社 冷冻冰箱
JP2007046849A (ja) * 2005-08-10 2007-02-22 Toshiba Corp 冷蔵庫
CN101839602A (zh) * 2009-03-20 2010-09-22 海尔集团公司 制冷装置及其冷藏室的温控方法
CN109708377A (zh) * 2017-10-26 2019-05-03 日立空调·家用电器株式会社 冰箱
CN110094920A (zh) * 2018-01-31 2019-08-06 日立空调·家用电器株式会社 冰箱
CN111578583A (zh) * 2019-02-19 2020-08-25 夏普株式会社 冰箱

Also Published As

Publication number Publication date
JP2023019908A (ja) 2023-02-09
CN117813475A (zh) 2024-04-02

Similar Documents

Publication Publication Date Title
JP6709347B2 (ja) 冷蔵庫
JP6706749B2 (ja) 冷蔵庫
CN109196290B (zh) 冷藏库
JP6407913B2 (ja) 冷蔵庫
WO2017122380A1 (fr) Réfrigérateur
WO2023006037A1 (fr) Réfrigérateur
JP4641967B2 (ja) 貯蔵庫
JP4864830B2 (ja) 冷蔵庫
KR102508224B1 (ko) 냉장고
JP6607745B2 (ja) 冷蔵庫
JP7401898B2 (ja) 冷蔵庫
JP2014134332A (ja) 冷蔵庫
WO2015178025A1 (fr) Réfrigérateur
JP6954605B2 (ja) 冷蔵庫
JP3322495B2 (ja) 冷凍冷蔵庫
JP4641968B2 (ja) 貯蔵庫
WO2022143635A1 (fr) Réfrigérateur
JPS62288468A (ja) ５温度式冷蔵庫
JP2005016903A (ja) 冷蔵庫
JP2015017737A (ja) 冷蔵庫
WO2023116628A1 (fr) Récipient de stockage
JP7266624B2 (ja) 冷蔵庫
JP6726488B2 (ja) 冷蔵庫
JPWO2019043913A1 (ja) 冷蔵庫
TWI645147B (zh) refrigerator

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22848642

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 202280052833.5

Country of ref document: CN

NENP Non-entry into the national phase

Ref country code: DE