WO2019244199A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

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Publication number
WO2019244199A1
WO2019244199A1 PCT/JP2018/023089 JP2018023089W WO2019244199A1 WO 2019244199 A1 WO2019244199 A1 WO 2019244199A1 JP 2018023089 W JP2018023089 W JP 2018023089W WO 2019244199 A1 WO2019244199 A1 WO 2019244199A1
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WO
WIPO (PCT)
Prior art keywords
refrigerator
shelf
ribs
room
floor
Prior art date
Application number
PCT/JP2018/023089
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English (en)
Japanese (ja)
Inventor
毅 山村
剛 清家
恭輝 西貝
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 JP2020525086A priority Critical patent/JP6949220B2/ja
Priority to PCT/JP2018/023089 priority patent/WO2019244199A1/fr
Publication of WO2019244199A1 publication Critical patent/WO2019244199A1/fr

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    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves

Definitions

  • the present invention relates to a refrigerator in the form of a top freezer.
  • refrigerators disclosed in Patent Documents 1 and 2 are known.
  • a freezer compartment is formed above the refrigerator main body, and a refrigerator compartment is formed below the freezer compartment.
  • a cooling room is formed on the back side of the freezer room, and a cooler that generates cool air is provided in the cooling room.
  • a cool air duct for supplying cool air generated by the cooler to the cool room is provided in the center of the rear surface of the cool room so as to extend in the vertical direction.
  • the refrigerator compartment is provided with a plurality of storage shelves that partition the space inside the refrigerator compartment.
  • a cool air outlet is formed between the storage shelves, and is connected to the cool air duct.
  • the rear end of the storage shelf is connected to the rear wall of the refrigerator compartment.
  • Patent Literature 2 by forming a rib provided on the floor of the freezer compartment and a return air passage in the freezer compartment, and eliminating a heat transfer effect from the refrigerator compartment side. I have.
  • Patent Literature 3 discloses a technique for stabilizing the cooling and preserving temperature of food by providing ribs of various shapes in a lower region of a freezing compartment.
  • Patent Documents 1 and 2 are refrigerators of a general top freezer type. And the technique of patent document 2 is developed in order to improve the above-mentioned variation in the food temperature in the freezer compartment.
  • ribs exist on the floor surface.
  • the food is difficult to place on the ribs, and is not suitable for loading and storing the food.
  • the interval between the plurality of ribs is reduced, the ease of placing the food is improved.
  • the interval between the plurality of ribs is small, the space between the ribs adjacent to the user cannot be cleaned during cleaning, resulting in poor cleaning performance.
  • the present invention has been made to solve the above-described problems, and a refrigerator in which the variation in storage temperature when food is loaded in a freezer compartment is suppressed, and the cleanability of the freezer compartment and user convenience are improved.
  • the purpose is to provide.
  • the refrigerator according to the present invention is a top-freezer-type refrigerator in which a freezer compartment and a refrigerator compartment are configured in order from the top, and a partition wall is provided between the freezer compartment and the refrigerator compartment.
  • a plurality of ribs provided on the floor of the room; and a shelf on the floor provided on the plurality of ribs and in contact with an upper end of the rib.
  • a shelf on the floor in contact with the upper end of the rib is provided on the plurality of ribs.
  • a plurality of ribs are provided, and it is possible to suppress heat intrusion due to heat transfer from the refrigerator compartment arranged below the freezer compartment.
  • an air passage through which cool air flows is formed between adjacent ribs of the plurality of ribs, so that food on the shelf on the floor can be cooled from below the shelf on the floor. Therefore, the variation of the storage temperature at the time of loading the food in the freezer compartment can be suppressed. Further, the food is put on the shelf on the floor, not on the ribs, and the upper surface of the shelf on the floor becomes dirty by use.
  • the user only has to clean the upper surface of the shelf on the floor, and the cleanability of the freezing room can be improved.
  • the food is placed on the shelf on the floor instead of on the ribs, and the placement state of the food is stabilized, so that the food does not easily collapse when the food is fully loaded in the freezing room, and the convenience for the user can be improved. Therefore, it is possible to suppress the variation of the storage temperature when the food is loaded in the freezer compartment, and to improve the cleanability of the freezer compartment and the convenience of the user.
  • FIG. 2 is a front view showing the appearance of the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 2 is an internal configuration diagram showing a configuration inside the refrigerator including a cooling air passage according to Embodiment 1 of the present invention.
  • FIG. 2 is an internal configuration diagram showing a configuration inside the refrigerator including a return air passage according to Embodiment 1 of the present invention.
  • FIG. 4 is a cross-sectional view showing a freezer compartment of the refrigerator according to the first embodiment of the present invention, taken along the line ZZ in FIG. 3.
  • FIG. 3 is a vertical sectional view showing a freezer compartment in the refrigerator according to Embodiment 1 of the present invention, taken along the line YY in FIG. 2.
  • FIG. 6 is an enlarged view showing a portion where the claw portion of the floor shelf is fixed to the rail in the refrigerator according to Embodiment 1 of the present invention by enlarging portion A in FIG. 5.
  • FIG. 4 is an explanatory diagram illustrating a first operation of mounting a shelf on the floor in the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 5 is an explanatory diagram showing a second operation of mounting the shelf on the floor in the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 7 is an explanatory diagram showing a third operation of mounting the shelf on the floor in the refrigerator according to Embodiment 1 of the present invention.
  • FIG. 1 is a front view showing the appearance of refrigerator 1 according to Embodiment 1 of the present invention.
  • FIG. 2 is an internal configuration diagram showing a configuration inside refrigerator 1 including cooling air passage 10 according to Embodiment 1 of the present invention.
  • the refrigerator 1 includes a heat-insulating box having a front side, which is a front side, opened and a storage space formed therein.
  • the heat-insulating box is composed of an outer box made of steel, an inner box made of resin, and a heat insulating material filled in a space between the outer box and the inner box.
  • the storage space formed inside the heat-insulating box is divided into a plurality of storage rooms for storing the objects to be cooled by the plurality of partition members.
  • the refrigerator 1 includes a freezer compartment 2 and a refrigerator compartment 3 in this order from the top. As shown in FIG. 2, a partition wall 7 is provided between the freezer compartment 2 and the refrigerator compartment 3.
  • the refrigerator 1 is a refrigerator of such a top freezer type.
  • the refrigerator 1 includes, as a plurality of storage rooms, a freezing room 2 arranged at the uppermost stage, a refrigerator room 3 arranged below the freezer room 2, and a lowermost room of the refrigerator room 3. And a chilled room 5 arranged at the top of the refrigerator compartment 3.
  • the type and number of storage compartments provided in the refrigerator 1 are not limited to these.
  • the object to be cooled is a food.
  • the cooling device includes a compressor 6 that compresses and discharges a refrigerant, a cooler 8 that functions as an evaporator to cool air, and a blower fan 9 that moves cool air generated by the cooler 8.
  • the refrigerator 1 has a cooling air passage 10 through which a cooler 8 and a blower fan 9 are installed.
  • the compressor 6 has a refrigerant discharge side connected to a condenser (not shown) and a refrigerant suction side connected to the cooler 8.
  • the cooler 8 functions as an evaporator and exchanges heat between the refrigerant passing therethrough and the air in the cooling air passage 10 to generate cool air.
  • the compressor 6 and the cooler 8 constitute a refrigeration cycle circuit together with a condenser and expansion means (not shown).
  • the blower fan 9 supplies cool air to the freezing room 2, the refrigerator room 3, the vegetable room 4 and the chilled room 5 via the cooling air passage 10.
  • the cooling air passage 10 is provided vertically in the inner wall panel 19 formed in the housing 50 in the vertical direction from the upper side to the lower side in the refrigerator 1. More specifically, the cooling air passage 10 is provided at the back of the freezer compartment 2, the refrigerator compartment 3, and the vegetable compartment 4. In the cooling air passage 10, the opening degree of the damper 11 changes, and the amount of cool air passing through the cooling air passage 10 is adjusted.
  • the cool air that has been cooled by heat exchange with the refrigerant in the cooler 8 by the operation of the refrigeration cycle circuit is passed by the blower fan 9 through the cooling air passage 10 on the back of the refrigerator 1 to a storage room such as the freezer room 2 or the refrigerator room 3. Supplied to
  • FIG. 3 is an internal configuration diagram showing a configuration inside the refrigerator including the return air passages 16 and 22 according to Embodiment 1 of the present invention. As shown in FIG. 3, the cool air that has passed through the refrigerator compartment 3 and the like is returned to the cooler 8 through the return air passage 16, cooled again, and sent to each storage compartment.
  • the refrigerator 1 has a control device 100.
  • the temperature of each storage room is detected by a temperature sensor (not shown) installed in each storage room.
  • the control device 100 controls various devices in the refrigerator 1 so that the temperature detected by the temperature sensor becomes the temperature set in each storage room.
  • the control device 100 controls the opening degree of the damper 11 installed in the cooling air passage 10, the output of the compressor 6, the amount of air blown by the blower fan 9, and the like.
  • the freezing room 2 is a storage room set in a freezing temperature zone of less than 0 ° C., for example, ⁇ 18 ° C. or less. As shown in FIGS. 2 and 3, the freezing compartment 2 is provided above the refrigerating compartment 3 and stores food to be frozen.
  • the freezer compartment 2 is provided with a rotary door 14a that opens and closes an opening, for example, a double door opening type.
  • the door 14a of the freezer compartment 2 may be a single-type rotary door instead of the double-door type. Opening and shutting off between the freezer compartment 2 and the outside of the refrigerator 1 are performed by opening and closing the door 14a.
  • the inner wall panel 19 serves as a rear wall in the freezing room 2. As will be described later, a plurality of ribs 18 and a floor shelf 15 are provided in the freezer compartment 2.
  • the refrigeration room 3 is a storage room which is set in a refrigeration temperature range of, for example, about 3 to 5 ° C. and stores food.
  • the refrigerator compartment 3 is provided with shelves 12 on which foods and the like are placed.
  • the opening formed in the front surface of the refrigerator compartment 3 is provided with a rotary door 14b for opening and closing the opening, for example, a double door opening type.
  • the door 14b of the refrigerator compartment 3 is not limited to the double-door type, and may be a single-type rotary door.
  • the inner wall panel 19 becomes a rear wall in the refrigerator compartment 3.
  • a chilled room 5 is provided at an uppermost portion in the refrigerator room 3.
  • the storage container 30 is a container for storing food stored in the chilled room 5.
  • the storage container 30 is, for example, a drawer-type container that can move in the front-rear direction along a rail (not shown) provided inside the side wall of the chilled chamber 5.
  • the rail may be provided on the bottom shelf of the chilled room 5.
  • rails need not necessarily be installed.
  • the user pulls out the storage container 30 from the chilled chamber 5 and can take in and out the food stored in the storage container 30 through the upper opening of the storage container 30.
  • the material of the storage container 30 for example, polystyrene or the like is used similarly to the storage container of a general refrigerator. However, it is not limited to this.
  • a front wall 13 movably fixed to the partition wall 7 or the side wall is provided at an opening of the upper space on the front side of the chilled chamber 5. By pulling out the storage container 30, the front wall 13 rotates and the door 14b opens.
  • the vegetable room 4 is a storage room in a refrigeration temperature zone having a higher set temperature than the refrigeration room 3, for example, about 3 to 7 ° C.
  • Vegetable room 4 is a storage room that has a space for storing stored items and is particularly suitable for chilling vegetables among foods. As shown in FIGS. 2 and 3, the vegetable compartment 4 is provided at the lowermost portion in the refrigerator compartment 3.
  • the partition wall 7 is a wall provided between the freezer compartment 2 and the refrigerator compartment 3.
  • the partition wall 7 is filled with a heat insulating material to prevent heat from entering the freezer compartment 2 from the refrigerator compartment 3 due to heat transfer.
  • the partition wall 7 has a return air passage 16 built therein, and has a return air passage inlet 16 a which is a suction port through which the cool air from inside the refrigerator compartment 3 is sucked into the return air passage 16 side.
  • the return air passage entrance 16a is formed in a portion on the front side which is the door 14b side of the refrigerator compartment 3.
  • FIGS. 2 and 3 indicate the flow of cool air.
  • the cool air generated by the cooler 8 passes through the blower fan 9 and is divided into cool air sent to the freezer compartment 2 and the refrigerator compartment 3.
  • the cold air flowing to the refrigerator compartment 3 passes through the cooling air passage 10 and is separated by the damper 11 into cold air flowing to the chilled room 5 and the refrigerator compartment 3.
  • the cool air heading for the refrigerator compartment 3 passes on the shelf, gradually rises from the lower side to the upper part in front of the refrigerator compartment 3, and heads toward the return air passage 16.
  • a return air passage entrance 16a is formed at a front part of the refrigerator 1. For this reason, the cooling air can be efficiently blown out from each of the outlets 31a to 31f arranged on the inner side of the refrigerator compartment 3. The position of the return air passage entrance 16a is necessarily far from the outlets 31a to 31f. For this reason, even if the wind speed of the cooling air is reduced, each room can be efficiently cooled without the cooling air short-passing.
  • the position of the return air passage is basically located on the back side.
  • the return air passage 16 is formed in the partition wall 7 above the refrigerator compartment 3. Therefore, even if food juice such as meat juice or food waste is spilled, there is no fear that the return air passage 16 is clogged. Then, the return air passage 16 having the return air passage entrance 16a on the front side of the refrigerator compartment 3 can be formed.
  • FIG. 4 is a cross-sectional view showing freezer compartment 2 in refrigerator 1 according to Embodiment 1 of the present invention, taken along the line ZZ in FIG.
  • FIG. 5 is a vertical sectional view showing freezer compartment 2 of refrigerator 1 according to Embodiment 1 of the present invention, taken along the line YY in FIG.
  • the shelf 15 on the floor is indicated by a broken line so that the rib 18 can be visually recognized.
  • a plurality of ribs 18 are provided on the floor surface 21 of the freezing compartment 2.
  • the adjacent interval between the plurality of ribs 18 is a width that allows a human finger to enter between the adjacent ribs 18 among the plurality of ribs 18.
  • the distance between adjacent ribs 18 is preferably about 15 to 20 mm. This is because if the distance between the ribs 18 becomes too small, the cleaning property between the adjacent ribs 18 is impaired. If the distance between the adjacent ribs 18 is about 15 to 20 mm, there is a gap in which the user's finger can sufficiently enter, and that portion can be sufficiently cleaned.
  • the upper ends 18a of the plurality of ribs 18 have a circular arc shape. If the upper end 18a of the rib 18 has a square shape with an edge, the user may be injured by the edge during cleaning. If the upper end portion 18a of the rib 18 has a rounded shape such as an arc, there is no sharp portion such as an edge, and there is no possibility that the user is injured during cleaning.
  • the arc at this time is desirably about R3 to R4. If the radius is too large, the stability of the food is deteriorated when the food is placed directly on the rib 18.
  • the height of the rib 18 is preferably about 5 mm. If the rib 18 is too high, the stability of the food will be poor when the food is placed directly on the rib 18 as described above. If the ribs 18 are too high, a substantial food storage space as the freezing room 2 will be reduced. On the other hand, if the height of the rib 18 is too low, the height of the return air passage 22 such as a duct formed by the gap between the rib 18 and the shelf 15 on the floor becomes too low, and it becomes difficult for the cooling air to flow.
  • the height of the plurality of ribs 18 is determined by the gap between the adjacent rib 18, the upper shelf 15 and the floor surface 21 of the plurality of ribs 18 below the upper end 18 a of the rib 18 in contact with the upper shelf 15. Is the height at which A return air passage 22 through which cool air flows from the front side to the back side of the room is formed between the adjacent ribs 18 among the plurality of ribs 18, the upper shelf 15 and the floor surface 21.
  • the plurality of ribs 18 extend linearly from the front side of the room to the back side. For this reason, the plurality of ribs 18 are linearly arranged in parallel from the front side of the room to the back side.
  • an on-floor shelf 15 that is in contact with the upper end 18 a of the rib 18 is provided on the plurality of ribs 18.
  • the shelf 15 on the floor is detachable.
  • the lower surface of the upper shelf 15 has a concave portion 15a in which a portion in contact with the upper end portions 18a of the plurality of ribs 18 is recessed upward. Thereby, the recess 15a on the lower surface of the floor shelf 15 is fitted into the upper end portion 18a of the rib 18, and a stable fixed state is achieved.
  • the floor shelf 15 can have a sufficient contact area with the rib 18.
  • FIG. 6 is an enlarged view showing a portion where the claw portion 24 of the floor shelf 15 is fixed to the rail 23 in the refrigerator 1 according to Embodiment 1 of the present invention by enlarging portion A in FIG.
  • a pair of rails 23 is provided on left and right side surfaces in the freezing compartment 2.
  • the pair of rails 23 are formed from the center to the back on the side surface in the freezing compartment 2.
  • the floor shelf 15 is held between the plurality of ribs 18 and a pair of rails 23 in the vertical direction.
  • the floor shelf 15 has a pair of claw portions 24 that are hooked on the pair of rails 23, respectively.
  • the pair of claws 24 are provided on the upper part of the shelf 15 on the floor.
  • the height of the ribs 18 restricts the region where the claw portion is to be provided.
  • the nail portion cannot be visually recognized at the lower nail portion of the upper shelf 15, thereby deteriorating the mountability of the upper shelf 15.
  • the shelf 15 is fixed by a pair of rails 23 and a pair of claws 24 hooked on each of the pair of rails 23 in the same manner as the conventional refrigerator shelf structure. Thereby, the contact area with the rib 18 can be ensured on the lower surface of the floor shelf 15, the frictional resistance increases, and the floor shelf 15 can be securely fixed. Therefore, the shelf 15 on the floor is fixed more firmly than the shelf of the conventional refrigerator, and the collapse of the food due to the swing of the shelf can be prevented.
  • a resin frame is mounted around the shelf 15 on the floor.
  • a resin frame needs to be mounted around the floor shelf 15.
  • the member of the floor shelf 15 itself may be made of resin or glass.
  • the floor shelf 15 may be made of a lightweight metal material having excellent heat conductivity. The efficiency of cooling the shelf 15 itself and the efficiency of cooling food can be improved. Further, in consideration of user's convenience, the floor shelf 15 is preferably lightened so as not to burden the user at the time of cleaning, and is preferably made of a light metal such as aluminum.
  • Air outlet 32 As shown in FIG. 2 and FIG. 3, an outlet for blowing cool air flowing from the back of the room to the front side of the upper part of the room is located above the cool air suction port 33 in the upper part of the inner wall panel 19 which is the back surface of the freezer compartment 2. 32 are formed. Thereby, even if a large amount of food is loaded in the freezing compartment 2, cold air can be sent into the freezing compartment 2.
  • a cool air suction port 33 is formed in a lower portion of the inner wall panel 19, which is a back surface of the freezing compartment 2.
  • the cool air inlet 33 is configured to transfer the cool air flowing from the indoor front side to the back side above the upper shelf 15 and the cool air flowing through the return air passage 22 from the indoor front side to the back side. Is returned to the cooling chamber 40 formed.
  • the cool air suction port 33 is provided with a first suction port 33 a through which the cool air flowing from the front side of the room to the back side under the inner wall panel 19, which is the back side of the freezing compartment 2, flows from the front side to the back side of the room. Have.
  • the cool air suction port 33 returns the cool air flowing from the front side to the back side of the room through the return air passage 22 below the first suction port 33 a below the inner wall panel 19, which is the back side of the freezer compartment 2, to the cooling chamber 40. It has a second suction port 33b. Thereby, even if a large amount of food is loaded in the freezer compartment 2, cool air can be sucked from the freezer compartment 2 into the cool air suction port 33. It should be noted that the cool air suction port 33 may be one large one instead of being formed with the first and second suction ports 33a and 33b.
  • the chilled room 5 formed in the upper region in the refrigerator room 3 below the freezer room 2 may be a switching room.
  • the switching room is a partial room in which the room temperature is set to a minus temperature zone of about -3 ° C. lower than that of the refrigeration room 3 or a supercooled storage room in which the room temperature is higher than 0 to -3 ° C.
  • the room can be switched to a chilled room.
  • a temperature zone suitable for food stored in the switching room can be selected, and the convenience of the user can be improved.
  • FIG. 7 is an explanatory diagram showing a first operation of mounting the upper shelf 15 in the refrigerator 1 according to Embodiment 1 of the present invention.
  • FIG. 8 is an explanatory diagram illustrating a second operation of mounting the shelf 15 on the floor in the refrigerator 1 according to Embodiment 1 of the present invention.
  • FIG. 9 is an explanatory diagram illustrating a third operation of mounting the shelf 15 on the floor in the refrigerator 1 according to Embodiment 1 of the present invention.
  • the shelf 15 on the floor is put into the freezing room 2 with the interior of the room lowered to the rib 18 side.
  • the shelf 15 on the floor which has reached the center of the freezer compartment 2, abuts against the front ends of the pair of rails 23.
  • the shelf 15 on the floor is lowered down to the rib 18 on the front side of the room.
  • the shelf 15 on the floor has the shelf surface in a horizontal state, and the concave portion 15 a on the lower surface is fitted to the upper end portion 18 a of the rib 18.
  • the shelf 15 on the floor is slid parallel to the interior of the room.
  • the shelf 15 on the floor is smooth while maintaining the state in which the concave portion 15a on the lower surface is fitted to the upper end portion 18a of the rib 18. Slide.
  • each of the pair of claw portions 24 is caught by each of the pair of rails 23 provided on the left and right side walls in the freezing room 2, and the shelf 15 on the floor moves toward the interior of the room.
  • the rear end of the upper shelf 15 abuts against the rear surface of the freezing compartment 2 and is firmly fixed.
  • the shelf 15 on the floor may be slid horizontally toward the front of the room.
  • the pair of rails 23 is provided on the inner side of the freezer compartment 2 from the center.
  • the pair of rails 23 may be formed to be longer from the front of the room than the center in the freezing room 2 to the back of the room from the center.
  • the shelf 15 on the floor is set in a horizontal state from the beginning when the shelf 15 is put in the freezing room 2 and is slid parallel to the interior of the room.
  • each of the pair of claw portions 24 is hooked on each of the pair of rails 23 provided on the left and right side walls in the freezer 2.
  • the rib 18, the shelf 15 on the floor, and the return air passage 22 as described above ensure the stability of the shelf 15 on the floor.
  • the floor shelf 15 itself can be cooled.
  • the intrusion of heat due to heat transfer from the refrigerator compartment 3 can be suppressed, and even when foods are loaded in the freezer compartment 2, variations in food temperature during food storage can be prevented.
  • the food on the shelf on the floor due to the shaking of the floor surface 21 can be prevented from collapsing.
  • the refrigerator 1 includes the freezer compartment 2 and the refrigerating compartment 3 in order from the top.
  • a partition wall 7 is provided between the freezer compartment 2 and the refrigerator compartment 3.
  • the refrigerator 1 is of a top freezer type.
  • a plurality of ribs 18 are provided on a floor surface 21 of the freezer compartment 2. On the plurality of ribs 18, a shelf 15 on the floor in contact with the upper end 18a of the rib 18 is provided.
  • the plurality of ribs 18 are provided, and the intrusion of heat by the heat transfer from the refrigerator compartment 3 arranged below the freezer compartment 2 can be suppressed. Further, a return air passage 22 through which cool air flows is formed between adjacent ribs 18 among the plurality of ribs 18, so that food on the shelf 15 can be cooled from below the shelf 15. Therefore, it is possible to suppress the variation of the storage temperature when the food is loaded in the freezer 2. In addition, food is put on the shelf 15 on the floor instead of on the ribs 18 and the upper surface of the shelf 15 on the floor is soiled by use. Therefore, the user only has to clean the upper surface of the shelf 15 on the floor, and the cleanability of the freezing compartment 2 is improved. it can.
  • the food is placed not on the ribs 18 but on the shelf 15 on the floor, and the placement state of the food is stabilized. Therefore, when the foods are fully loaded in the freezing compartment 2, the foods are less likely to collapse and the convenience for the user can be improved. . Therefore, it is possible to suppress the variation in the storage temperature when the food is loaded in the freezer 2 and to improve the cleanability of the freezer 2 and the convenience for the user.
  • the height of the plurality of ribs 18 is such that the ribs 18 adjacent to the plurality of ribs 18, the floor shelf 15, and the floor surface are located below the upper end 18 a of the rib 18 in contact with the floor shelf 15.
  • 21 is a height that forms a gap that becomes the return air passage 22 between the air passage 21 and the air passage 21.
  • a plurality of ribs 18 having a height that forms the return air passage 22 which is a gap are provided, and heat intrusion due to heat transfer from the refrigerator compartment 3 arranged below the freezer compartment 2 can be suppressed.
  • a return air passage 22 through which cool air flows is formed in a gap between adjacent ribs 18 among the plurality of ribs 18, so that food on the shelf 15 can be cooled from below the shelf 15. Therefore, it is possible to suppress the variation of the storage temperature when the food is loaded in the freezer 2.
  • the adjacent interval between the plurality of ribs 18 has a width of about 15 to 20 mm in which a human finger can be inserted between the adjacent ribs 18 among the plurality of ribs 18.
  • the user can put his / her finger between the adjacent ribs 18 for cleaning, and the cleanability of the freezing compartment 2 can be improved.
  • the upper ends 18a of the plurality of ribs 18 are rounded.
  • the plurality of ribs 18 are linearly extended from the indoor front side to the back side.
  • the return air passage 22 through which the cool air flows is formed in the gap between the adjacent ribs 18, and the food on the upper shelf 15 can be cooled from below the upper shelf 15.
  • the cool air returns from the front side of the room to the back side in the freezing room 2 and flows straight in parallel through the gaps that become the air passages 22 without being obstructed by other routes. 2 can be uniformly performed on the entire floor surface 21. Therefore, it is possible to suppress the variation of the storage temperature when the food is loaded in the freezer 2.
  • the floor shelf 15 is detachable.
  • the floor shelf 15 can be removed for cleaning, and the cleanability of the freezing compartment 2 can be improved. Therefore, the shelf 15 on which the food is placed can be kept clean, and the stability of the food in the freezing room 2 can be maintained. Further, unlike the related art, it is not necessary to reduce the interval between the adjacent ribs, and the return air passage 22 using the gap between the adjacent ribs 18 can be secured.
  • the lower surface of the upper shelf 15 has the concave portion 15a that is recessed upward so that the portion that contacts the upper end portion 18a of the plurality of ribs 18 fits into the rib 18.
  • the upper shelf 15 reliably contacts the upper ends 18a of the plurality of ribs 18 so as not to move due to the recesses 15a. Therefore, it is possible to prevent the food from collapsing due to the movement of the shelf 15 on the floor. Therefore, the stability at the time of loading the food in the freezer compartment 2 can be maintained.
  • the user when mounting the shelf 15 on the floor, the user can fit the recess 15a into the rib 18 and slide the floor shelf 15 to the back of the room to fix it, so that the floor shelf 15 can be easily mounted.
  • a pair of rails 23 is provided on the left and right side surfaces in the freezer 2.
  • the floor shelf 15 is held between the plurality of ribs 18 and a pair of rails 23 in the vertical direction.
  • the floor shelf 15 is held between the plurality of ribs 18 and the pair of rails 23 in the vertical direction. Therefore, it is possible to prevent the food from collapsing due to the movement of the shelf 15 on the floor. Therefore, the stability at the time of loading the food in the freezer compartment 2 can be maintained.
  • the floor shelf 15 has the pair of claw portions 24 that are hooked on the pair of rails 23, respectively.
  • each of the pair of claws 24 of the floor shelf 15 is hooked on each of the pair of rails 23, and the floor shelf 15 can be securely fixed. Therefore, it is possible to prevent the food from collapsing due to the movement of the shelf 15 on the floor. Therefore, the stability at the time of loading the food in the freezer compartment 2 can be maintained.
  • the floor shelf 15 is made of a lightweight metal-based material having excellent heat conductivity.
  • the cooling efficiency from the floor shelf 15 to the food is good, and the food placed on the floor shelf 15 can be better cooled from the return air passage 22 below the floor shelf 15.
  • a return air path 22 through which cool air flows from the indoor front side to the back side is formed between adjacent ribs 18 among the plurality of ribs 18, floor shelf 15, and floor surface 21. .
  • the return air passage 22 through which the cool air flows is formed in the gap between the adjacent ribs 18, and the food on the upper shelf 15 can be cooled from below the upper shelf 15. Therefore, it is possible to suppress the variation of the storage temperature when the food is loaded in the freezer 2.
  • the cool air flowing from the front side of the room to the back side above the upper shelf 15 and the return air passage 22 are formed from the front side of the room to the back side.
  • a cool air suction port 33 is formed to return the flowing cool air to the cooling chamber 40 provided on the back side of the back of the freezing chamber 2.
  • the cool air flows above the floor shelf 15 from the front side of the room to the back side, and flows through the gap serving as the return air passage 22 between the adjacent ribs 18 from the front side of the room to the back side. Therefore, the food and the floor shelf 15 can be efficiently cooled as a whole. Therefore, it is possible to suppress the variation of the storage temperature when the food is loaded in the freezer 2.
  • the cool air suction port 33 is provided at the lower part of the back surface of the freezer compartment 2, where the cool air flowing from the room front side to the back side above the floor shelf 15 is returned to the cooling chamber 40. It has a mouth 33a.
  • the cool air suction port 33 is a second suction port through which the cool air flowing from the front side to the back side of the room through the return air path 22 below the first suction port 33 a at the lower part of the back side of the freezing chamber 2 is returned to the cooling chamber 40. 33b.
  • the cool air flows from the front side of the room to the back side above the upper shelf 15 toward the first suction port 33a.
  • the cool air flows from the front side of the room to the back side in the gap that becomes the return air passage 22 between the ribs 18 adjacent to the second suction port 33b. Therefore, the food and the floor shelf 15 can be efficiently cooled as a whole. Therefore, it is possible to suppress the variation of the storage temperature when the food is loaded in the freezer 2.
  • the outlet 32 is formed above the cold air inlet 33 in the upper part of the inner surface of the freezer compartment 2 to blow out the cool air flowing from the inner part to the front part in the upper part of the room.
  • the cold air flowing from the air outlet 32 above the cold air suction port 33 to the freezer compartment 2 and flowing from the interior upper portion to the front portion of the room is blown out.
  • the blown cold air changes its flow downward on the front side in the freezing room 2.
  • the cool air on the front side in the freezer compartment 2 flows above the upper shelf 15 from the room front side to the back side, and a gap serving as the return air passage 22 between the adjacent ribs 18 is formed from the room front side to the back side. Flowing to the side. Therefore, the food and the floor shelf 15 can be efficiently cooled as a whole. Therefore, it is possible to suppress the variation of the storage temperature when the food is loaded in the freezer 2.
  • the inside of the partition wall 7 is filled with a heat insulating material.
  • a heat insulating material is provided in the partition wall 7, and heat intrusion due to heat transfer from the refrigerator compartment 3 arranged below the freezer compartment 2 can be suppressed. Therefore, the efficiency of the cold heat of the freezing compartment 2 is good.
  • the refrigerator 1 is formed in an upper region in the refrigerator compartment 3 below the freezer compartment 2 and has a partial temperature range lower than the refrigerator temperature range 3 or a positive temperature range higher than the partial temperature range.
  • a switching room that can be switched to a chilled room is provided.
  • a switching room with a low temperature zone is provided at a lower position closest to the freezing room 2, and the switching room from the cooling room 40 provided on the back side of the back of the freezing room 2 is provided. Good cold heat efficiency.

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

Abstract

L'invention concerne un réfrigérateur de type à congélateur supérieur dans lequel une chambre de congélation et une chambre de réfrigération sont formées dans l'ordre à partir du dessus et une paroi de séparation est disposée entre la chambre de congélation et la chambre de réfrigération, ledit réfrigérateur étant pourvu d'une pluralité de nervures disposées sur une surface de plancher de la chambre de congélation, et une étagère supérieure de plancher qui est disposée au-dessus de la pluralité de nervures et est en contact avec une partie d'extrémité supérieure des nervures.
PCT/JP2018/023089 2018-06-18 2018-06-18 Réfrigérateur WO2019244199A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020525086A JP6949220B2 (ja) 2018-06-18 2018-06-18 冷蔵庫
PCT/JP2018/023089 WO2019244199A1 (fr) 2018-06-18 2018-06-18 Réfrigérateur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/023089 WO2019244199A1 (fr) 2018-06-18 2018-06-18 Réfrigérateur

Publications (1)

Publication Number Publication Date
WO2019244199A1 true WO2019244199A1 (fr) 2019-12-26

Family

ID=68983846

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2018/023089 WO2019244199A1 (fr) 2018-06-18 2018-06-18 Réfrigérateur

Country Status (2)

Country Link
JP (1) JP6949220B2 (fr)
WO (1) WO2019244199A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4738999Y1 (fr) * 1969-10-07 1972-11-25
JPS48106851U (fr) * 1972-03-13 1973-12-11
JPS58104888U (ja) * 1982-01-12 1983-07-16 三菱電機株式会社 冷蔵庫
JPH05272857A (ja) * 1992-02-21 1993-10-22 Samsung Electronics Co Ltd 冷蔵庫
JPH05306870A (ja) * 1992-04-30 1993-11-19 Matsushita Refrig Co Ltd 冷蔵庫
JP2006183898A (ja) * 2004-12-27 2006-07-13 Hitachi Home & Life Solutions Inc 冷蔵庫

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4738999Y1 (fr) * 1969-10-07 1972-11-25
JPS48106851U (fr) * 1972-03-13 1973-12-11
JPS58104888U (ja) * 1982-01-12 1983-07-16 三菱電機株式会社 冷蔵庫
JPH05272857A (ja) * 1992-02-21 1993-10-22 Samsung Electronics Co Ltd 冷蔵庫
JPH05306870A (ja) * 1992-04-30 1993-11-19 Matsushita Refrig Co Ltd 冷蔵庫
JP2006183898A (ja) * 2004-12-27 2006-07-13 Hitachi Home & Life Solutions Inc 冷蔵庫

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JP6949220B2 (ja) 2021-10-13

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