WO2022230102A1 - Réfrigérateur - Google Patents

Réfrigérateur Download PDF

Info

Publication number
WO2022230102A1
WO2022230102A1 PCT/JP2021/016958 JP2021016958W WO2022230102A1 WO 2022230102 A1 WO2022230102 A1 WO 2022230102A1 JP 2021016958 W JP2021016958 W JP 2021016958W WO 2022230102 A1 WO2022230102 A1 WO 2022230102A1
Authority
WO
WIPO (PCT)
Prior art keywords
partition wall
storage
door
freezer compartment
refrigerator
Prior art date
Application number
PCT/JP2021/016958
Other languages
English (en)
Japanese (ja)
Inventor
有希 伊藤
祥 花岡
俊 江守
慎吾 川上
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 AU2021443587A priority Critical patent/AU2021443587A1/en
Priority to PCT/JP2021/016958 priority patent/WO2022230102A1/fr
Priority to JP2023516946A priority patent/JP7433520B2/ja
Priority to TW111114226A priority patent/TWI833201B/zh
Publication of WO2022230102A1 publication Critical patent/WO2022230102A1/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
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • 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
    • 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

Definitions

  • the present disclosure relates to a refrigerator with multiple storage compartments.
  • Patent Document 1 A refrigerator has been proposed (see Patent Document 1, for example).
  • the refrigerator of Patent Literature 1 has one door for two storage compartments that are cooled by direct cooling and indirect cooling and whose temperature zones are close to each other.
  • the refrigerating chamber and the storage chamber having a temperature zone close to the refrigerating chamber are closed by one door and a partition wall, and the packing on the outer periphery of the storing chamber does not need to be used.
  • the temperature comparison of each storage compartment is not specified, and when the temperature of the lower storage compartment is high and the temperature of the upper storage compartment is low, the temperature between the partition wall and the door is low. Natural convection occurs in the storage compartments, causing heat transfer between storage compartments and making it difficult to control the temperature of each storage compartment.
  • the present disclosure is intended to solve the above problems, and in a refrigerator having one door for at least two storage compartments, it is possible to suppress heat transfer between storage compartments with a simple configuration.
  • a refrigerator is provided with a storage space for storing items therein, a box having an opening formed on the front for taking items in and out of the storage space, and a box body in the storage space. and a door provided in front of the storage space for opening and closing the opening.
  • the plurality of storage compartments has a first storage compartment located above the partition wall and a second storage compartment located below the partition wall, the first storage compartment being the second storage compartment.
  • the temperature is set to be higher than that of the chamber, and the door is a single door that opens and closes the first storage chamber and the second storage chamber at the same time, and has an upper protrusion projecting from the surface of the door on the storage space side.
  • the upper protrusion is arranged above the partition wall with a gap therebetween, and extends in the direction in which the partition wall extends when viewed from the front. It is formed so as to extend left and right along the same, and is formed so that a part of the tip side of the upper protrusion in the projecting direction overlaps with the partition wall when viewed from above.
  • the refrigerator has a first storage compartment located above the partition wall and a second storage compartment located below the partition wall, and the first storage compartment It is set at a higher temperature than the storage room.
  • the door is a single door that opens and closes the first storage chamber and the second storage chamber at the same time, and has an upper protrusion projecting from the surface of the door on the storage space side. Furthermore, when the door is closed, the upper protrusion is arranged above the partition wall with a gap from the partition wall, and is formed to extend left and right along the direction in which the partition wall extends when viewed from the front.
  • the partition wall is formed so that a part of the tip side of the upper protrusion in the projecting direction overlaps with the partition wall when viewed from above.
  • the upper projection increases resistance to cold air flowing between the upper and lower storage compartments and suppresses movement of the cold air.
  • the temperature of the first freezer compartment located above is set to be higher than that of the second freezer compartment located below, so that natural convection occurs between the first freezer compartment and the second freezer compartment. There is little circulation of cold air between storage compartments due to Therefore, even if the refrigerator has one door for the two storage compartments, the first freezing compartment and the second freezing compartment, the temperature setting between the storage compartments and the presence of the upper projection make it simple. With such a structure, heat transfer between storage chambers can be suppressed.
  • FIG. 1 is a front view of a refrigerator according to Embodiment 1;
  • FIG. 2 is a front view showing the interior of the refrigerator according to Embodiment 1.
  • FIG. FIG. 2 is a schematic vertical cross-sectional view of the refrigerator according to Embodiment 1 taken along the line AA in FIG. 1;
  • FIG. 3 is a cross-sectional view of the refrigerator according to Embodiment 1 taken along the line BB in FIG. 2, and is a schematic diagram with a freezer compartment door added.
  • FIG. 2 is a conceptual diagram of the door of the refrigerator according to Embodiment 1 as seen from the inside.
  • FIG. 4 is an enlarged view of part C in FIG. 3 when the refrigerator according to Embodiment 1 does not have a heater.
  • FIG. 4 is a horizontal cross-sectional view of the first freezer compartment of the refrigerator according to Embodiment 1 at a position above the upper protrusion.
  • FIG. FIG. 8 is a cross-sectional view of the refrigerator according to Embodiment 1 taken along line DD in FIG. 7; 4 is an enlarged view of part C of FIG. 3 when a heater is provided in the refrigerator according to Embodiment 1.
  • FIG. FIG. 4 is an enlarged view of part C in FIG. 3 when the refrigerator according to Embodiment 1 is provided with a lower packing.
  • FIG. 1 is a front view of refrigerator 100 according to Embodiment 1.
  • FIG. FIG. 2 is a front view showing the interior of refrigerator 100 according to Embodiment 1.
  • FIG. 1 and 2 indicates the left-right direction LR of the box 10, and the up-down arrow indicates the up-down direction UD of the box 10.
  • a refrigerator 100 has a box 10 forming an outer shell, a partition wall 20 provided inside the box 10 , and a door 30 attached to the box 10 .
  • the box 10 is formed with a storage space 11 for storing stored items therein, and an opening 12 for putting in and out of the stored items in the storage space 11 is formed in the front.
  • the box body 10 has, for example, an outer box made of steel plate forming an outer shell and an inner box made of a thin hard resin such as ABS resin disposed inside the outer box. A heat insulating material such as rigid urethane foam is filled between them.
  • Partition wall 20 divides the inside of the storage space 11 into upper and lower spaces.
  • the storage space 11 is divided by a partition wall 20 into an upper space and a lower space.
  • the partition wall 20 is formed in a plate shape and is formed to extend in the depth direction FB (see FIG. 3) of the inside of the storage space 11 and to extend in the left-right direction LR of the inside of the storage space 11 . That is, the partition wall 20 extends from the inner wall on the back side of the box 10 to the opening 12 on the front side of the box 10 in the storage space 11 .
  • a plurality of storage chambers 13 are formed in the storage space 11 by the box 10 and the partition walls 20 .
  • the number of partition walls 20 may be one or plural.
  • the plurality of storage compartments 13 has a first freezer compartment 14 located above the partition wall 20 and a second freezer compartment 15 located below the partition wall 20 .
  • the first freezer compartment 14 is the first storage compartment among the multiple storage compartments 13
  • the second freezer compartment 15 is the second storage compartment among the multiple storage compartments 13 .
  • the first freezer compartment 14 is provided at a position higher than the second freezer compartment 15 .
  • the first freezer compartment 14 and the second freezer compartment 15 are separated by a first partition wall 21 among the plurality of partition walls 20 .
  • the plurality of storage compartments 13 may include a refrigerator compartment 16 located above the first freezer compartment 14 and the second freezer compartment 15 .
  • the refrigerator compartment 16 is the third storage compartment among the plurality of storage compartments 13 .
  • the first freezer compartment 14 and the refrigerator compartment 16 are separated by a second partition wall 22 of the plurality of partition walls 20 .
  • the refrigerator 100 shown in FIG. 2 has three storage compartments 13, the refrigerator 100 may have two or more storage compartments 13, and at least the first storage compartment, which is the first freezing compartment. It has a compartment 14 and a second freezer compartment 15 which is a second storage compartment.
  • the refrigerator 100 has a plurality of partition walls 20, the storage space 11 has a plurality of storage chambers 13 including a first storage chamber and a second storage chamber separated by the plurality of partition walls 20, and the door 30 has a , may be configured to open and close a plurality of storage chambers 13 .
  • a heater 80 (see FIG. 3), which will be described later, is attached to the first partition wall 21 so that the temperature of the first freezer compartment 14 can be finely controlled. Heater 80 can dissipate heat to warm stored items such as food. The heater 80 is set above the first partition wall 21 . The temperature of the heater 80 is controlled by the controller 40 . Refrigerator 100 can finely control the temperature of first freezer compartment 14 by providing heater 80 in first partition wall 21, and the temperature relationship between first freezer compartment 14 and second freezer compartment 15 is not interchanged.
  • the first freezer compartment 14 is set to a higher temperature than the second freezer compartment 15 by the control device 40 .
  • the second freezer compartment 15 is set to a lower temperature than the first freezer compartment 14 by the controller 40 .
  • the control device 40 is provided on the door 30 in FIG.
  • the control device 40 is composed of, for example, dedicated hardware or a CPU (Central Processing Unit, also referred to as a central processing unit, a processing unit, an arithmetic unit, a microprocessor, or a processor) that executes a program stored in a memory. is.
  • a CPU Central Processing Unit, also referred to as a central processing unit, a processing unit, an arithmetic unit, a microprocessor, or a processor
  • the first freezer compartment 14 is controlled by the control device 40 to maintain a supercooled state in which stored items such as food are not frozen even at a temperature below the freezing point.
  • the first freezer compartment 14 can also be a supercooled compartment whose temperature is adjusted in a temperature range of -15° C. or higher below the freezing point.
  • the first freezing chamber 14 is a cooling chamber that is controlled to a temperature range of ⁇ 5° C. or less and ⁇ 7° C. or more, and freezes stored items such as food to a frozen state that can be subdivided with a kitchen knife or human hands. You can also
  • the first freezer compartment 14 uses cold air generated by a cooler 51 (see FIG. 3), which will be described later, to cool the stored product even at a temperature below its freezing point. It is held in a supercooled state that does not freeze for at least a certain period of time (for example, 5 seconds or longer).
  • the first freezer compartment 14 is subjected to temperature control that changes the cooling temperature in stages to reduce the direct blowing of cold air to the stored items. Uniform internal temperature.
  • the refrigerator 100 freezes stored items in the first freezer compartment 14 through supercooling, thereby changing the use of the freezer compartment according to the stored items and spoiling the taste of food such as meat, fish, or vegetables. You can store in the first freezer compartment 14 what you want to store without freezing. In addition, the refrigerator 100 stores other storage items such as frozen food in the second freezing compartment 15, thereby enabling storage of the storage items suitable for the user's application.
  • the refrigerator 100 has a temperature adjustment mechanism such as the cooler 51 or the heater 80, and a control device 40 that controls the temperature adjustment mechanism, and the first freezer compartment 14 can be placed in a supercooled state. It can also be used as a cold storage room.
  • the temperature control mechanism cools or heats the inside of the refrigerator by the cooler 51 or the heater 80 or the like.
  • the control device 40 has, for example, a first step and a second step, and controls the temperature adjustment mechanism to start the second step upon completion of the first step.
  • the control device 40 sets the set temperature of the first freezer compartment 14, which is a cold storage compartment, to the low temperature side set temperature ⁇ L that is lower than the freezing point of the stored material for the first predetermined time T1.
  • the control device 40 switches to the higher set temperature ⁇ H higher than the freezing point after the first predetermined time T1 has elapsed, and sets the higher set temperature ⁇ H for the second predetermined time T2.
  • the controller 40 introduces air having a higher temperature than the air in the first freezer compartment 14 from the refrigerator compartment 16 or the vegetable compartment (not shown) into the first freezer compartment 14.
  • the control device 40 switches the set temperature to the low temperature side set temperature ⁇ L again after the second predetermined time T2 has elapsed, and maintains the inside of the first freezer compartment 14 at the low temperature side set temperature ⁇ L.
  • the first freezer compartment 14 is a cold storage compartment capable of supercooling stored items, so that food such as meat or fish can be stored for a longer period of time than in the refrigerator compartment 16 without freezing food such as meat or fish. You can keep it fresh.
  • Refrigerator 100 can use first freezer compartment 14 as a freezer compartment or a cold storage compartment depending on the storage period of stored items.
  • the refrigerator 100 may have two or more partition walls 20 and two or more divided storage compartments 13 may be formed. Refrigerator 100 may further increase partition walls 20 in first freezer compartment 14 or second freezer compartment 15 to provide three compartments, a freezer compartment, a supercooling compartment, and a cold insulation compartment. Alternatively, refrigerator 100 may further increase partition walls 20 in first freezer compartment 14 or second freezer compartment 15 and may provide three or more storage compartments 13 .
  • the door 30 is provided on the front surface of the storage space 11 and used to open and close the opening 12 of the box 10 .
  • the door 30 has a freezer compartment door 31 and a refrigerator compartment door 32 .
  • the freezer compartment door 31 and the refrigerator compartment door 32 are rotatably supported by the box body 10 .
  • the freezer compartment door 31 is a single door 30 that simultaneously opens and closes the first freezer compartment 14, which is the first storage compartment, and the second freezer compartment 15, which is the second storage compartment. That is, the freezer compartment door 31 is a door 30 common to the first freezer compartment 14 and the second freezer compartment 15, and opens and closes the opening 12 formed in the front surface of the first freezer compartment 14 and the second freezer compartment 15. door 30;
  • the refrigerator compartment door 32 is the door 30 that opens and closes the refrigerator compartment 16 and the door 30 that opens and closes the opening 12 formed in the front surface of the refrigerator compartment 16 .
  • the door 30 may be composed only of the freezer compartment door 31 . A detailed structure of the door 30 will be described later.
  • FIG. 3 is a schematic vertical cross-sectional view of refrigerator 100 according to Embodiment 1 taken along line AA in FIG.
  • FIG. 4 is a cross-sectional view of refrigerator 100 according to Embodiment 1 taken along line BB in FIG. 2, and is a schematic view with freezer compartment door 31 added.
  • Left-right direction arrows shown in FIG. 3 and front-back direction arrows shown in FIG. 4 indicate the depth direction FB of the box 10 .
  • FIG. 3 As shown in FIG. 3 , a cooling chamber 61 is formed on the back side inside the box 10 , and the space inside the box 10 is separated into the storage space 11 and the cooling chamber 61 by a partition plate 25 . ing.
  • Refrigerator 100 cools storage compartment 13 by sending cool air cooled by cooler 51 into storage compartment 13 from cooling compartment 61 by blower fan 52 .
  • Cooler 51 is arranged below first partition wall 21 between first freezer compartment 14 and second freezer compartment 15 .
  • the cold air generated by the cooler 51 is blown out from the cooling chamber 61 by the blower fan 52 , passes through the refrigerating chamber air outlet 62 via the first damper 53 , and is supplied to the refrigerating chamber 16 .
  • the cold air generated by the cooler 51 is blown out from the cooling chamber 61 by the blower fan 52, passes through the second damper 54, and passes through the first freezer compartment blow-out air path 63 and the second freezer compartment blow-out air path 64 (see FIG. 4). ) and supplied to the first freezer compartment 14 .
  • the first damper 53 and the second damper 54 have dampers (not shown) that open and close the air passages, and the control device 40 opens and closes the dampers to adjust the amount of cold air flowing through the air passages. Cool air generated by the cooler 51 is sent out by the blower fan 52 , and the temperature of each storage compartment 13 is controlled by opening/closing control of the first damper 53 and the second damper 54 .
  • the cool air generated by the cooler 51 is blown out from the cooling chamber 61 by the blower fan 52 and directly supplied to the second freezer chamber 15 .
  • the cool air supplied to the refrigerator compartment 16 and the first freezer compartment 14 passes through the refrigerator compartment return air path 65, the first freezer compartment return air path 66, and the second freezer compartment return air path 67 shown in FIG. Return to cooling chamber 61 .
  • a refrigerating compartment return air path 65 is a path through which cool air that has flowed out of the refrigerating compartment 16 passes, and a first freezer compartment return air path 66 and a second freezer compartment return air path 67 are flow paths that allow cool air that has flowed out of the first freezer compartment 14 to flow. is the flow path through which
  • the first freezer compartment 14 accommodates a first storage case 91 and a second storage case 92 .
  • a first storage case 91 and a second storage case 92 are arranged side by side in the first freezer compartment 14 .
  • a third storage case 95 is accommodated in the second freezer compartment 15 .
  • the first storage case 91, the second storage case 92, and the third storage case 95 are cases for storing stored items such as food.
  • the general term for the cases inside which stored items such as food are stored may be referred to as the storage case 90 .
  • the storage case 90 is desirably stored in each storage compartment 13 , and the storage case 90 may be stored in the refrigerator compartment 16 , for example.
  • the storage cases 90 such as the first storage case 91, the second storage case 92 and the third storage case 95 are desirably transparent. Therefore, the user can visually recognize the stored items in the storage case 90 when the freezer compartment door 31 is opened.
  • the storage cases 90 are desirably cases in which the front surface of each storage case 90 covers the entire entrance of the storage chamber 13 when viewed from the front of the refrigerator 100 and partitions the interior and the exterior of the storage chamber.
  • refrigerator 100 preferably has a configuration in which the storage case is not pulled out when the door is opened, such as a drawer-type door provided with a storage case.
  • the first air outlet 71 serving as a cold air outlet for cooling the first storage case 91 is It is formed above the right side of the center.
  • the first air outlet 71 is a cool air outlet in the first freezer compartment air outlet 63 .
  • the second air outlet 72 serving as a cold air outlet for cooling the second storage case 92 is It is formed above the left side of the center.
  • the second air outlet 72 is a cold air outlet in the second freezer compartment air outlet 64 .
  • the first outlet 71 and the second outlet 72 are formed near the center of the refrigerator 100 in the left-right direction LR of the box 10 .
  • the first storage case 91 in order to secure a return air path F1 for returning the cold air blown out from the first blowout port 71 to the first return port 73, which is a return port of the cold air, the first storage case 91 has a is formed with a first air hole 93 .
  • the first return port 73 is a cool air inlet in the first freezer compartment return air passage 66 .
  • the first return port 73 is formed on the rear side of the first ventilation hole 93 .
  • the first ventilation hole 93 is a through hole formed in the first storage case 91 .
  • the first ventilation hole 93 is formed on the left side surface of the first storage case 91 in the left-right direction LR of the box 10 .
  • first storage case 91 is arranged on the left side with respect to second storage case 92, and first vent hole 93 is located opposite to the arrangement side of second storage case 92. formed on the sides of the side.
  • first ventilation hole 93 is formed on the inner side of the center of the first storage case 91 in the depth direction FB of the box 10 .
  • first ventilation hole 93 is formed below the central portion of the first storage case 91 in the up-down direction UD of the box 10 .
  • the second storage case 92 in order to secure the return air path F2 for returning the cold air blown out from the second blowout port 72 to the second return port 74, which is the return port of the cold air, the second storage case 92 has a is formed with a second air hole 94 .
  • the second return port 74 is a cool air inlet in the second freezer compartment return air passage 67 .
  • the second return port 74 is formed on the rear side of the second vent hole 94 .
  • the second ventilation hole 94 is a through hole formed in the second storage case 92 . It is formed on the right side surface of the second storage case 92 in the left-right direction LR of the box 10 .
  • the second storage case 92 is arranged on the right side of the first storage case 91, and the second vent holes 94 are arranged opposite to the arrangement side of the first storage case 91. formed on the sides of the side. That is, a vent hole such as the first vent hole 93 or the second vent hole 94 is formed on one side surface of the storage case 90 in the lateral direction LR of the box 10 .
  • the second ventilation hole 94 is formed deeper than the central portion of the second storage case 92 in the depth direction FB of the box 10 .
  • the second ventilation hole 94 is formed below the central portion of the second storage case 92 in the up-down direction UD of the box 10 .
  • the flow of cool air flowing inside the first freezer compartment 14 will be described with reference to FIG.
  • the cool air blown into the first storage case 91 from the first outlet 71 circulates in the first storage case 91, passes through the first ventilation holes 93 formed in the first storage case 91, and flows into the first freezer compartment. It flows into the first return port 73 connected to the return air passage 66 .
  • the cold air blown into the second storage case 92 from the second outlet 72 circulates in the second storage case 92, passes through the second ventilation holes 94 formed in the second storage case 92, and flows into the second freezer compartment. It flows into the second return port 74 connected to the return air passage 67 .
  • the refrigerator 100 can keep the temperature distribution in the first storage case 91 small.
  • the second outlet 72 and the second vent hole 94 are arranged diagonally when viewed from the front of the first freezer compartment 14, thereby circulating cold air over a wide range. Therefore, the refrigerator 100 can keep the temperature distribution in the second storage case 92 small.
  • Refrigerator 100 is provided with first return port 73 connected to first freezer compartment return air passage 66 on the rear side of first ventilation hole 93 , so that cold air coming out of first storage case 91 flows straight through first return port 73 . flow to Similarly, the refrigerator 100 is provided with the second return port 74 connected to the second freezer compartment return air passage 67 on the rear side of the second vent hole 94, so that the cool air coming out of the second storage case 92 is straight to the second It flows to return port 74 . Therefore, refrigerator 100 can suppress pressure loss and can realize an efficient air passage.
  • a gap between the first partition wall 21 and the freezer compartment door 31 is not sealed by a gasket, and a gap 70 ( 3) are formed. Since the refrigerator 100 has the first ventilation hole 93 of the first storage case 91 behind the first storage case 91, cold air in the first freezer compartment 14 flows into the second freezer compartment 15 through the gap 70. Hateful. Similarly, since the refrigerator 100 has the second ventilation holes 94 of the second storage case 92 behind the second storage case 92 , cold air from the first freezer compartment 14 is less likely to flow into the second freezer compartment 15 .
  • FIG. 5 is a conceptual diagram of the door 30 of the refrigerator 100 according to Embodiment 1 as seen from inside. Details of the door 30, particularly details of the freezer compartment door 31 will be described with reference to FIG.
  • the door 30 has a freezer compartment door 31 and a refrigerator compartment door 32 .
  • the door 30 may be composed of only the freezer compartment door 31 .
  • the freezer compartment door 31 has a freezer compartment gasket 33 .
  • the freezer compartment gasket 33 is attached to the outer edge of the back surface of the freezer compartment door 31, and when the freezer compartment door 31 is closed, the freezer compartment gasket 33 forms a peripheral edge 12a forming the opening 12 of the box 10. (see FIGS. 2 and 3) and the second partition wall 22.
  • the freezer compartment gasket 33 closes the gap between the box body 10 and the first freezer compartment 14 and the second freezer compartment 15 by being in close contact with the peripheral edge portion 12a and the second partition wall 22. Cold air leakage to the outside of the refrigerator is blocked.
  • the freezer compartment gasket 33 seals the opening 12 of the first freezer compartment 14 and the second freezer compartment 15 by being in close contact with the peripheral edge part 12a and the second partition wall 22, and seals the first freezer compartment 14 and the second freezer compartment 15.
  • the freezer compartment 15 is kept in an airtight space.
  • the refrigerator compartment door 32 has a refrigerator compartment gasket 34 .
  • the refrigerating compartment gasket 34 is attached to the outer edge of the back surface of the refrigerating compartment door 32, and when the refrigerating compartment door 32 is closed, the refrigerating compartment gasket 34 forms a peripheral edge 12a forming the opening 12 of the box 10. and close contact with the second partition wall 22 .
  • the refrigerating compartment gasket 34 closes the gap between the box body 10 and the refrigerating compartment 16 by being in close contact with the peripheral edge portion 12a and the second partition wall 22, and blocks cold air from leaking to the outside through the gap. be done.
  • the refrigerator compartment gasket 34 seals the opening 12 of the refrigerator compartment 16 and keeps the refrigerator compartment 16 in an airtight space by being in close contact with the peripheral edge portion 12a and the second partition wall 22 .
  • a gasket is provided between the first partition wall 21 separating the first freezer compartment 14 and the second freezer compartment 15 and the freezer compartment door 31. is not provided. That is, in the refrigerator 100, the gap between the first partition wall 21 and the freezer compartment door 31 is not sealed by a gasket, and a gap 70 is formed between the first partition wall 21 and the freezer compartment door 31.
  • first freezer compartment 14 which is the first storage compartment
  • second freezer compartment 15 which is the second storage compartment
  • the first freezer compartment 14 and the second freezer compartment 15 are separated by the first partition wall 21, but since the gap between the first partition wall 21 and the freezer compartment door 31 is not sealed with a gasket, a complete Cold air may circulate between the first freezer compartment 14 and the second freezer compartment 15 instead of being sealed.
  • the first freezer compartment 14 positioned above is set to a higher temperature than the second freezer compartment 15 positioned below. Therefore, between the 1st freezer compartment 14 and the 2nd freezer compartment 15, circulation of the cool air between the storage compartments 13 by natural convection is hardly performed.
  • FIG. 6 is an enlarged view of part C in FIG. 3 when the refrigerator 100 according to Embodiment 1 does not have the heater 80 .
  • a portion C is a portion where the freezer compartment door 31 and the front edge portion 21 a of the first partition wall 21 face each other.
  • the front edge portion 21 a of the first partition wall 21 is the end portion on the opening 12 side in the depth direction FB of the box 10 .
  • the structure of the freezer compartment door 31 will be further described with reference to FIGS. 6 and 5.
  • the freezer compartment door 31 has an upper protrusion 35 that protrudes from the storage space 11 side surface of the freezer compartment door 31 .
  • the upper projecting portion 35 is provided on the back surface 31 a of the freezer compartment door 31 on the inner side of the freezer compartment, and protrudes so as to extend in the depth direction FB of the box body 10 . That is, the upper protrusion 35 is formed as a convex portion on the rear surface 31 a of the freezer compartment door 31 .
  • the upper protrusion 35 is arranged above the first partition wall 21 with a gap 70a between it and the first partition wall 21 when the freezer compartment door 31 is closed.
  • the upper projecting portion 35 may be formed integrally with the freezer compartment door 31 by resin molding, or may be formed as a separate member from the freezer compartment door 31 .
  • the upper projecting portion 35 is formed so that the extending direction of the base portion 35a is parallel to the extending direction of the first partition wall 21 in the left-right direction LR of the box 10 when the freezer compartment door 31 is closed. ing.
  • the base portion 35a is a joint portion between the upper projection portion 35 and the back surface 31a of the freezer compartment door 31, and is a base portion.
  • the direction in which the first partition wall 21 extends when viewed from the front is the left-right direction LR. That is, the upper projecting portion 35 is formed to extend left and right along the direction in which the first partition wall 21 extends in a front view.
  • the upper protrusion 35 is formed parallel to the first partition wall 21 when viewed from the front, it does not have to be strictly parallel, and may be substantially parallel.
  • the upper projecting portion 35 is a rib-like portion provided on the back surface 31 a of the freezer compartment door 31 and is a portion formed in a prism shape extending in the left-right direction LR of the box 10 .
  • the freezer compartment door 31 has a lower protrusion 36 that protrudes from the storage space 11 side surface of the freezer compartment door 31 .
  • the lower projecting portion 36 is provided on the back surface 31 a of the freezer compartment door 31 on the inner side of the freezer compartment, and protrudes so as to extend in the depth direction FB of the box 10 . That is, the lower projecting portion 36 is formed as a convex portion on the rear surface 31 a of the freezer compartment door 31 .
  • the lower protrusion 36 is arranged below the first partition wall 21 with a gap 70b between it and the first partition wall 21 when the freezer compartment door 31 is closed.
  • the lower projecting portion 36 may be formed integrally with the freezer compartment door 31 by resin molding, or may be formed as a separate member from the freezer compartment door 31 .
  • the lower projecting portion 36 is formed so that the extending direction of the base portion 36a is parallel to the extending direction of the first partition wall 21 in the left-right direction LR of the box 10 when the freezer compartment door 31 is closed. ing.
  • the base portion 36a is a joint portion between the lower projection portion 36 and the back surface 31a of the freezer compartment door 31, and is a base portion.
  • the lower projecting portion 36 is formed to extend left and right along the direction in which the first partition wall 21 extends when viewed from the front. Although it is desirable that the lower protrusion 36 is formed parallel to the first partition wall 21 when viewed from the front, it does not have to be strictly parallel, and may be substantially parallel.
  • the lower projecting portion 36 is a rib-like portion provided on the back surface 31 a of the freezer compartment door 31 and is a portion formed in a prism shape extending in the left-right direction LR of the box 10 .
  • FIG. 7 is a horizontal cross-sectional view of first freezer compartment 14 of refrigerator 100 according to Embodiment 1 at a position above upper protrusion 35 .
  • the front edge portion 21a of the first partition wall 21 positioned below the upper projection portion 35 is indicated by a dotted line.
  • the upper protrusion 35 extends in the depth direction FB from the rear surface 31a of the freezer compartment door 31 to a position where the tip 35b in the protrusion direction overlaps the first partition wall 21.
  • the upper projecting portion 35 is formed such that a part of the tip side of the projecting direction of the upper projecting portion 35 overlaps with the first partition wall 21 when viewed from above.
  • the lower protrusion 36 extends in the depth direction FB from the rear surface 31 a of the freezer compartment door 31 to a position where the tip 36 b in the protrusion direction overlaps the first partition wall 21 . That is, the lower projecting portion 36 is arranged such that a part of the tip side of the projecting direction of the lower projecting portion 36 and the first partition wall 21 overlap when the refrigerator 100 is viewed in a cross-sectional view in the depth direction or when viewed from above. formed.
  • a gap 70a is formed between the upper projection 35 and the first partition wall 21 when the freezer compartment door 31 is closed.
  • a gap 70b is formed between the lower protrusion 36 and the first partition wall 21 when the freezer compartment door 31 is closed.
  • Refrigerator 100 has upper protrusion 35 arranged above first partition wall 21 so as to sandwich first partition wall 21 in vertical direction UD when freezer compartment door 31 is closed.
  • a lower protrusion 36 is arranged below the first partition wall 21 .
  • the upper projecting portion 35 and the lower projecting portion 36 are projections extending in the depth direction FB from the back surface 31a of the freezer compartment door 31 .
  • the refrigerator 100 has a gap 70 formed between the first partition wall 21 and the freezer compartment door 31 inside the box 10 when the freezer compartment door 31 is closed. Further, when the freezer compartment door 31 is closed, a gap 70 a is formed between the first partition wall 21 and the upper projection 35 inside the box 10 .
  • the first freezer compartment 14, which is the first storage compartment, and the second freezer compartment 15, which is the second storage compartment communicate with each other through gaps 70 and 70a.
  • the gap 70 is formed between the first partition wall 21 and the freezer compartment door 31 inside the box 10 when the freezer compartment door 31 is closed as described above. there is Further, when the freezer compartment door 31 is closed, a gap 70b is formed between the first partition wall 21 and the lower protrusion 36 inside the box 10 .
  • the first freezer compartment 14, which is the first storage compartment, and the second freezer compartment 15, which is the second storage compartment communicate with each other through gaps 70 and 70b.
  • a gap 70c that communicates with is formed in a U shape inclined by 90 degrees. This gap 70c is formed by gap 70a, gap 70, and gap 70b.
  • the first freezer compartment 14 accommodates a first storage case 91 and a second storage case 92 .
  • a part of the cool air blown out from the first outlet 71 and the second outlet 72 of the first freezer compartment 14 is blown into the first storage case 91 or the second storage case 92 .
  • part of the cool air blown out from the first outlet 71 and the second outlet 72 of the first freezer compartment 14 flows through the bottom of the first storage case 91 or the second storage case 92 and the first partition wall 21 . and flows in the direction of the rear surface 31 a of the freezer compartment door 31 .
  • Refrigerator 100 has U-shaped gap 70c inclined 90 degrees in side view between first partition wall 21 provided between first freezer compartment 14 and second freezer compartment 15 and freezer compartment door 31. is formed as In the refrigerator 100, if cold air is to pass through the gap 70c, it must pass through the curved portion of the U-shaped gap 70c inclined by 90 degrees. It is possible to reduce the flow velocity of the cold air when flowing through the That is, in the refrigerator 100, in the storage compartments 13 located above and below the first partition wall 21, heat transfer between the first freezing compartment 14 and the second freezing compartment 15 adjacent to each other is suppressed. Independent temperature control can be performed in the chamber 14 and the second freezing chamber 15 .
  • FIG. 8 is a cross-sectional view of refrigerator 100 according to Embodiment 1 taken along line DD in FIG.
  • FIG. 8 shows an enlarged configuration of the front portion of the first partition wall 21 and its peripheral portion.
  • a packing 42 may be attached to the upper protrusion 35 of the freezer compartment door 31 .
  • the upper projecting portion 35 has a packing 42 at a tip portion 35b in the projecting direction.
  • the packing 42 is made of resin, for example.
  • the packing 42 is attached to the tip 35b of the upper protrusion 35. As shown in FIG. The packing 42 is attached so as to partially cover the top surface 35b1, the top surface 35b2, and the bottom surface 35b3 of the tip portion 35b of the upper projecting portion 35. As shown in FIG. The packing 42 is formed to extend in the left-right direction LR. The packing 42 is arranged above the first partition wall 21 when the freezer compartment door 31 is closed.
  • the packing 42 has a fixing portion 43 attached to the tip portion 35b of the upper projection portion 35, and a first fin portion 44 and a second fin portion 45 extending downward from the fixing portion 43.
  • the fixing portion 43 is a member formed in a C-shape in a cross section perpendicular to the longitudinal direction or in a side view.
  • the first fin portion 44 and the second fin portion 45 are thin plate-like members.
  • the first fin portion 44 and the second fin portion 45 may be collectively referred to as a fin portion 50 in some cases.
  • the packing 42 has a plurality of fins 50 .
  • the first fin portion 44 and the second fin portion 45 are positioned on the lower surface 35b3 side of the upper projection portion 35 when the packing 42 is attached to the upper projection portion 35.
  • the first fin portion 44 and the second fin portion 45 extend from the lower surface 35b3 of the upper projection portion 35 toward the upper surface of the first partition wall 21 when the packing 42 is attached to the upper projection portion 35. As shown in FIG.
  • the first fins 44 and the second fins 45 are arranged between the upper protrusion 35 and the first partition wall 21 .
  • the first fin portion 44 and the second fin portion 45 are formed at different locations in the depth direction FB of the upper projecting portion 35 .
  • the first fins 44 are located on the back surface 31a side of the freezer compartment door 31, and the second fins 45 are located on the first fins. It is located on the back side of the first freezer compartment 14 with respect to the part 44 . That is, the first fin portion 44 is formed on the base portion 35a side, and the second fin portion 45 is formed on the tip portion 35b side.
  • the first fin portion 44 and the second fin portion 45 are formed to face each other in the depth direction FB.
  • the first fin portion 44 and the second fin portion 45 extend downward, and the first fin portion 44 has a longer upper and lower fin width than the second fin portion 45 .
  • the second fins 45 reduce the flow velocity of cold air, and the first fins 44 make it difficult for cold air to pass between the upper projecting part 35 and the first partition wall 21. ⁇ . Note that the positional relationship between the first fin portion 44 and the second fin portion 45 may be interchanged.
  • first fin portion 44 and the second fin portion 45 are bent by being in contact with the first partition wall 21 or the like due to the opening/closing operation of the freezer compartment door 31, and the first fin portion 44 and the second fin portion 45 are bent. 45 and an air layer may be formed between the first fin portion 44 and the second fin portion 45 .
  • one of the plurality of fins 50 may be in contact with the upper surface of the first partition wall 21 and the other one of the plurality of fins 50 may be in contact with one of the plurality of fins 50 to form an air layer. That is, the first fin 44 may be in contact with the upper surface of the first partition wall 21 and the second fin 45 may be in contact with the first fin 44 to form an air layer.
  • the second fin portion 45 has a longer vertical fin width than the first fin portion 44, and when the freezer compartment door 31 is closed, the tip of the second fin portion 45 touches the first partition wall 21. It is bent forward in contact with the upper surface, and an air layer is formed between the second fin portion 45 and the first fin portion 44 by contacting the forward portion and the tip portion of the first fin portion 44 . It is formed. When an air layer is formed between the first fin portion 44 and the second fin portion 45, the air layer improves the heat insulating property, and the temperature control between the storage chambers 13 works effectively.
  • the lengths of the upper and lower fin widths of the first fin portion 44 and the second fin portion 45 are adjusted as described above. Better be different. With such a structure, only one fin portion 50 of the first fin portion 44 or the second fin portion 45 is brought into contact with the first partition wall 21 so that the freezer compartment door 31 can be smoothly opened and closed. can.
  • the upper and lower fin widths of the first fin portion 44 and the second fin portion 45 may be equal. Moreover, when priority is given to heat insulation, both the first fin portion 44 and the second fin portion 45 may be in contact with the first partition wall 21 when the freezer compartment door 31 is closed. Further, the number of fins 50 provided on the packing 42 may be one or three or more. That is, the packing 42 may have only one of the first fins 44 and the second fins 45 .
  • the packing 42 When the packing 42 is attached to the back surface 31a of the freezer compartment door 31, the packing 42 is attached to the upper projection by inserting the concave portion of the fixing portion 43 formed in a C shape in a side view into the tip portion 35b of the upper projection portion 35. Attach to part 35 .
  • the tip portion 35b of the upper protrusion 35 As the mounting portion of the packing 42, it is simpler than the method of forming the mounting portion of the packing 42 on the back surface 31a of the freezer compartment door 31 facing the first partition wall 21.
  • a packing 42 can be attached to the .
  • a gap 70a between the upper protrusion 35 and the first partition wall 21 is approximately 5 mm.
  • a gap 70b between the lower protrusion 36 and the first partition wall 21 is also about 5 mm.
  • the weight of the freezer compartment door 31 may cause the door to drop, causing the upper projecting portion 35 and the first partition wall 21 to come close to each other.
  • the packing 42 is interposed between the upper protrusion 35 and the first partition wall 21, so that when the freezer compartment door 31 is closed, the upper protrusion 35 and the first partition wall 21 come into contact with each other. The packing 42 can soften the damage caused by this.
  • FIG. 9 is an enlarged view of part C in FIG. 3 when the heater 80 is provided in the refrigerator 100 according to the first embodiment.
  • the heater 80 is provided on the upper surface of the first partition wall 21, and the end portion 80a of the heater 80 on the freezer compartment door 31 side is closer to the freezer compartment door 31 than the tip 35b of the upper protrusion 35 in the depth direction FB. It is located closer to the freezer compartment door 31 than the first fin 44 of the packing 42 . That is, when viewed from the side of the opening 12 on which the freezer compartment door 31 is arranged in the depth direction FB, the end 80a of the heater 80 on the freezer compartment door 31 side is in front of the tip 35b of the upper protrusion 35. , in front of the first fin portion 44 of the packing 42 .
  • the first fin 44 and the second fin 45 reduce the flow velocity of the cold air, thereby warming the cold air. Therefore, in the refrigerator 100, the temperature difference between the temperature around the first fin portion 44 and the temperature of the back surface 31a of the freezer compartment door 31 is reduced compared to when such a structure is not provided. Dew on the back surface 31a can be prevented.
  • FIG. 10 is an enlarged view of part C in FIG. 3 when refrigerator 100 according to Embodiment 1 includes lower packing 46 .
  • lower packing 46 may be attached to lower projecting portion 36 so as to cover part of tip portion 36b of lower projecting portion 36.
  • the lower projecting portion 36 has a lower packing 46 at the tip portion 36b in the projecting direction.
  • the lower packing 46 is made of resin, for example.
  • the lower packing 46 is attached so as to partially cover the upper surface, the tip surface and the lower surface of the tip portion 36b of the lower projecting portion 36 .
  • the lower packing 46 is formed to extend in the left-right direction LR.
  • the lower packing 46 is arranged below the first partition wall 21 when the freezer compartment door 31 is closed.
  • the lower packing 46 has a lower fixing portion 47 attached to the tip portion 36b of the lower projection portion 36, and a lower first fin portion 48 and a lower second fin portion 49 extending upward from the lower fixing portion 47.
  • the lower fixing portion 47 is a member formed in a C-shape in a cross section perpendicular to the longitudinal direction or in a side view.
  • the first lower fin portion 48 and the second lower fin portion 49 are thin plate-like members.
  • the lower first fin portion 48 and the lower second fin portion 49 are positioned on the upper surface side of the lower projection portion 36 when the lower packing 46 is attached to the lower projection portion 36 .
  • the lower first fin portion 48 and the lower second fin portion 49 extend from the upper surface of the lower projection portion 36 toward the lower surface of the first partition wall 21 when the lower packing 46 is attached to the lower projection portion 36 .
  • the lower first fin 48 and the lower second fin 49 are arranged between the lower projection 36 and the first partition wall 21 .
  • the lower first fin portion 48 and the lower second fin portion 49 are formed at different locations in the depth direction FB of the lower projection portion 36 .
  • the lower first fin 48 is located on the back surface 31a side of the freezer compartment door 31, and the lower second fin 49 is located on the lower side. It is located on the back side of the first freezer compartment 14 with respect to the first fin portion 48 . That is, the lower first fin portion 48 is formed on the base portion 36a side, and the lower second fin portion 49 is formed on the tip portion 35b side.
  • the lower first fin portion 48 and the lower second fin portion 49 are formed so as to face each other in the depth direction FB.
  • the lower first fin portion 48 and the lower second fin portion 49 extend upward, and the lower first fin portion 48 has a longer vertical fin width than the lower second fin portion 49 . Note that the positional relationship between the lower first fin portion 48 and the lower second fin portion 49 may be exchanged.
  • One or both of the lower first fin portion 48 and the lower second fin portion 49 are bent in contact with the first partition wall 21 by the opening and closing operation of the freezer compartment door 31, and the lower first fin portion 48 and the lower second fin portion 48 are bent.
  • An air layer may be formed between the first lower fin portion 48 and the second lower fin portion 49 .
  • the air layer improves heat insulation and effectively controls the temperature between the storage chambers 13.
  • the upper and lower fin widths of the lower first fin portion 48 and the lower second fin portion 49 are adjusted as described above. Different lengths are better. With such a structure, only one of the lower first fins 48 or the lower second fins 49, the fins 50, is brought into contact with the first partition wall 21 to smoothly open and close the freezer compartment door 31. be able to.
  • the upper and lower fin widths of the lower first fin portion 48 and the lower second fin portion 49 may be equal. Moreover, when priority is given to heat insulation, both the lower first fin portion 48 and the lower second fin portion 49 may be in contact with the first partition wall 21 when the freezer compartment door 31 is closed. Further, the number of fins 50 provided on the lower packing 46 may be one or three or more. That is, the lower packing 46 may have only one of the lower first fins 48 and the lower second fins 49 .
  • the lower packing 46 When attaching the lower packing 46 to the back surface 31 a of the freezer compartment door 31 , the lower packing 46 is attached by inserting the recessed portion of the lower fixing portion 47 formed in a C shape in a side view into the tip portion 36 b of the lower projecting portion 36 . is attached to the lower protrusion 36 .
  • the lower packing 46 can be easily attached.
  • Refrigerator 100 has first freezer compartment 14 located above first partition wall 21 and second freezer compartment 15 located below first partition wall 21 . is set to a temperature higher than that of the second freezer compartment 15 .
  • the freezer compartment door 31 is a single door that opens and closes the first freezer compartment 14 and the second freezer compartment 15 at the same time, and has an upper protrusion 35 that protrudes from the surface of the freezer compartment door 31 on the storage space 11 side. .
  • the upper protrusion 35 is arranged above the first partition wall 21 with a gap 70a between it and the first partition wall 21, and is positioned above the first partition wall 21 in a front view. It is formed to extend left and right along the direction in which the wall 21 extends.
  • the upper protrusion 35 is formed such that a part of the tip side of the upper protrusion 35 in the projecting direction overlaps the first partition wall 21 when viewed from above.
  • the refrigerator 100 increases the resistance to cold air flowing between the upper and lower storage compartments 13 by means of the upper protrusions 35, and suppresses movement of the cold air.
  • the temperature of the first freezing compartment 14 positioned above is set to be higher than the temperature of the second freezing compartment 15 positioned below. Circulation of cool air between the storage compartments 13 by natural convection is hardly performed between them. Therefore, even if the refrigerator 100 is a refrigerator having one door for the two storage compartments 13 of the first freezing compartment 14 and the second freezing compartment 15, the temperature setting between the storage compartments 13 and the upper projection portion With a simple configuration due to the presence of 35, heat transfer between storage chambers 13 can be suppressed.
  • the freezer compartment door 31 is rotatably supported by the box 10, and the first freezer compartment 14 is provided with one or more storage cases 90 for storing stored items.
  • the refrigerator 100 comprises one or more storage cases 90 in each storage compartment 13 and the freezer compartment door 31 is a revolving door 30 .
  • the refrigerator 100 has a storage case 90 for storing food in each storage chamber 13 separated by the partition wall 20, and the storage case 90 is not pulled out when the door 30 is opened.
  • the freezer compartment door 31 is opened and closed, cold air in the first freezer compartment 14 and the second freezer compartment 15 is suppressed from flowing out of the refrigerator, thereby improving the energy saving performance.
  • the storage case 90 in the storage chamber 13, it becomes difficult for cold air to flow from the first outlet 71 and the second outlet 72 toward the first partition wall 21, and the circulation of cold air between the storage chambers 13. can be further suppressed. Also, in order to achieve the above effects, it is required that the storage case 90 is not pulled out together with the door 30 when the door 30 is opened.
  • the freezer compartment door 31 is a rotary door
  • the inside of the transparent storage case 90 can be visually recognized when the freezer compartment door 31 is opened, and the inside cannot be confirmed unless the storage case 90 is pulled out. In comparison, energy saving performance can be improved while ensuring visibility.
  • the refrigerator 100 since the inside of the first freezer compartment 14 of the refrigerator 100 is partitioned by the storage case 90 for storing food, the food in the storage case 90 and the outside air outside the storage case 90 are less likely to come into contact with each other. Therefore, the refrigerator 100 has a structure in which even if cool air circulates between the first freezing compartment 14 and the second freezing compartment 15, the temperature is not easily changed and the smell is not easily transferred.
  • the inside of the first freezer compartment 14 is partitioned by the storage case 90 for storing food. Since the outflow can be suppressed, energy saving performance can be improved and cooling quality can be improved.
  • the first storage case 91 is formed with a first ventilation hole 93 which is a through hole.
  • the first ventilation hole 93 is formed on the left side surface of the first storage case 91 in the left-right direction LR of the box 10 .
  • the first ventilation hole 93 is formed deeper than the central portion of the first storage case 91 in the depth direction FB of the box 10 .
  • the first ventilation hole 93 is formed below the central portion of the first storage case 91 in the up-down direction UD of the box 10 . Since the refrigerator 100 has the first ventilation hole 93 formed in the first storage case 91, the cold air blown out from the first outlet 71 is returned to the first return port 73, which is the return port of the cold air. Air passage F1 can be secured. Since the refrigerator 100 can secure the cold air return air path F1 in the first freezer compartment 14, the cold air can be circulated over a wide range, and the temperature distribution in the first storage case 91 can be kept small.
  • the second storage case 92 is formed with a second ventilation hole 94 that is a through hole.
  • the second vent hole 94 is formed on the right side surface of the second storage case 92 in the left-right direction LR of the box 10 .
  • the second ventilation hole 94 is formed deeper than the central portion of the second storage case 92 in the depth direction FB of the box 10 .
  • the second ventilation hole 94 is formed below the central portion of the second storage case 92 in the up-down direction UD of the box 10 . Since the second storage case 92 of the refrigerator 100 has the second ventilation hole 94 formed therein, the cold air blown out from the second outlet 72 is returned to the second return port 74 which is the return port of the cold air.
  • Air path F2 can be secured.
  • Refrigerator 100 can secure cold air return air path F1 in first freezer compartment 14, so that the temperature distribution in second storage case 92, which can circulate cold air over a wide range, can be kept small.
  • the refrigerator 100 has a plurality of partition walls 20, the storage space 11 has a plurality of storage chambers 13 including a first storage chamber and a second storage chamber separated by the plurality of partition walls 20, and the door 30 has a , may be configured to open and close a plurality of storage chambers 13 . Even if the refrigerator 100 has one door 30 for a plurality of storage compartments 13 including the first freezer compartment 14 and the second freezer compartment 15, the temperature setting between the storage compartments 13 and the upper protrusions are controlled. Heat transfer between the storage chambers 13 can be suppressed with a simple configuration due to the presence of the portion 35 .
  • the upper protrusion 35 has a packing 42 at the tip 35b in the projecting direction. and a shaped fin portion 50 . Further, when the freezer compartment door 31 is closed, the fins 50 are arranged between the upper projection 35 and the first partition wall 21 .
  • the refrigerator 100 can suppress heat transfer between the storage compartments 13 with a simple configuration based on the temperature setting between the storage compartments 13 and the presence of the upper protrusions 35 . Therefore, the refrigerator 100 does not need to provide a gasket between the first partition wall 21 and the freezer compartment door 31, and controls the temperature of each storage compartment 13 using the packing 42, which is lighter and simpler than the gasket. be able to.
  • the refrigerator 100 does not have a gasket installed on the front surface of the first partition wall 21 between the first freezer compartment 14 and the second freezer compartment 15 so as to close the gap 70 .
  • the packing 42 is partially installed on the upper protrusion 35, and the gap 70c between the first freezer compartment 14 and the second freezer compartment 15 is partly blocked by the packing 42, so that the space between the storage compartments 13 is reduced. heat transfer can be suppressed, and the temperature of the storage chamber 13 can be easily controlled. That is, the refrigerator 100 can control the temperature of each storage compartment 13 without installing a gasket to close the gap 70, and can also prevent the transfer of food odors between the storage compartments 13. - ⁇
  • the packing 42 is molded with resin. As described above, the refrigerator 100 may move the upper protrusion 35 and the first partition wall 21 close to each other due to the weight of the freezer compartment door 31 causing the door to drop. Even in such a case, the packing 42 made of resin is interposed between the upper protrusion 35 and the first partition wall 21, so that when the freezer compartment door 31 is closed, the upper protrusion 35 and the first partition Contact with the wall 21 can be prevented or damage caused by contact can be mitigated.
  • the packing 42 has a plurality of fins 50 .
  • Refrigerator 100 reduces the flow velocity of cold air passing through gap 70 c by means of a plurality of fins 50 , making it difficult for cold air to pass between upper projection 35 and first partition wall 21 .
  • one of the plurality of fins 50 may be in contact with the upper surface of the first partition wall 21 and another one of the plurality of fins 50 may be in contact with one of the plurality of fins 50 to form an air layer.
  • the air layer improves heat insulation, and the temperature control between the storage chambers 13 works more effectively.
  • Refrigerator 100 can finely control the temperature of first freezing compartment 14 by providing heater 80 in first partition wall 21, and can easily maintain the temperature relationship between first freezing compartment 14 and second freezing compartment 15. .
  • the temperature range of the first freezer compartment 14 may be -5°C or lower and -7°C or higher.
  • the first freezer compartment 14 is frozen to a frozen state in which stored items such as food can be subdivided with kitchen knives or human hands. can be set to
  • the temperature range of the first freezer compartment 14 may be -15°C or higher below the freezing point. By setting the temperature range of the first freezer compartment 14 to the above temperature range, the first freezer compartment 14 is turned into a supercooled compartment that maintains a supercooled state in which stored items such as food are not frozen even at a temperature below the freezing point. Can be set.
  • the freezer compartment door 31 has a lower protrusion 36 that protrudes from the surface of the freezer compartment door 31 on the storage space 11 side.
  • the lower protrusion 36 is arranged below the first partition wall 21 with a gap 70b between the first partition wall 21 and the first partition wall 21 in a front view. is formed so as to extend left and right along the direction in which the . Therefore, even if the refrigerator 100 is a refrigerator having one door for the two storage compartments 13 of the first freezer compartment 14 and the second freezer compartment 15, the temperature setting between the storage compartments 13 and the lower projection portion A simple configuration with the presence of 36 can suppress heat transfer between the storage chambers 13 .
  • the freezer compartment door 31 has a lower protrusion 36 that protrudes from the surface of the freezer compartment door 31 on the storage space 11 side.
  • the lower protrusion 36 is arranged below the first partition wall 21 with a gap 70b between the first partition wall 21 and the first partition wall 21 in a front view. is formed so as to extend left and right along the direction in which the .
  • Refrigerator 100 includes upper protrusion 35 and lower protrusion 36 of freezer compartment door 31 and first partition so that first freezer compartment 14 and second freezer compartment 15 communicate with each other on the back surface 31a side of freezer compartment door 31 .
  • a U-shaped gap 70 c inclined by 90 degrees in a side view is provided by the wall 21 . This gap 70c is a passage through which cool air flows.
  • the refrigerator 100 Since the refrigerator 100 is provided with the gap 70c having the structure described above, the dry air inside the refrigerator 100 circulates around the first partition wall 21 when the freezer compartment door 31 is closed. Therefore, the first partition wall 21 is prevented from coming into contact with outside air containing a large amount of humidity. Therefore, in refrigerator 100 , the outside air is cooled, and dew is prevented from adhering around first partition wall 21 or packing 42 and lower packing 46 .
  • the refrigerator 100 also has a cooler 51 that cools the storage space 11 , and the cooler 51 is arranged below the first partition wall 21 .
  • the cooler 51 By arranging the cooler 51 below the first partition wall 21 between the first freezer compartment 14 and the second freezer compartment 15, the first It separates from the freezer compartment 14 and suppresses heat conduction from the cooler 51 to the first freezer compartment 14 .
  • the cooler 51 By arranging the cooler 51 below the first partition wall 21 between the first freezer compartment 14 and the second freezer compartment 15, the cooling compartment 61 and the storage compartment 13 in the second freezer compartment 15 The thickness of the insulating wall between the can be reduced.
  • the freezer compartment door 31 is a single door that opens and closes the first freezer compartment 14 and the second freezer compartment 15 at the same time.
  • Refrigerator 100 is configured to open and close a plurality of storage compartments 13 with one door 30 , thereby reducing the number of doors 30 compared to a configuration in which door 30 is provided for each storage compartment 13 .
  • refrigerators have become trendy for simple designs, and reducing the number of refrigerator doors improves the design of refrigerators.
  • Refrigerator 100 can suppress the flow of cool air between both storage cases 90 by providing the cool air outlet and the cool air outlet at such positions. Therefore, refrigerator 100 does not require a partition wall that completely divides both storage cases 90 . Further, even when the refrigerator 100 is provided with a partition wall to ensure the slidability of the storage case 90, the size of the partition wall can be made smaller than that of the partition wall for suppressing the flow of cold air. , the partition wall can have a simple structure. Furthermore, if rails 96 for sliding the storage cases 90 can be attached to the partition walls 20 as shown in FIG. can be suppressed.
  • Refrigerator 100 according to Embodiment 2 will be described. Components having the same functions and actions as refrigerator 100 according to Embodiment 1 are denoted by the same reference numerals, and descriptions thereof are omitted. Refrigerator 100 according to Embodiment 2 will be described below with a focus on the differences from refrigerator 100 according to Embodiment 1, and configurations that are not described in refrigerator 100 according to Embodiment 2 will be different from refrigerator 100 according to Embodiment 1. It is the same. Refrigerator 100 according to Embodiment 2 further specifies the configuration of partition wall 20 .
  • a partition wall 20 is attached to the box body 10 before foaming of urethane filled inside the box body 10 of the refrigerator, and the partition wall 20 cannot be removed after being attached to the box body 10. ⁇ .
  • Some refrigerators have partition walls 20 that can be partially removed, but the partition walls 20 cannot be completely removed even in such refrigerators.
  • Refrigerator 100 according to Embodiment 2 has first partition wall 21 detachably arranged inside box 10 .
  • the partition walls 20 including the first partition wall 21 contain heat insulating material according to the temperature setting of each storage room 13 where the partition wall 20 is installed.
  • the heat insulating material is, for example, vacuum heat insulating material or urethane. It should be noted that the partition wall 20 may not include a heat insulating material according to the temperature setting of each storage room 13 where the partition wall 20 is installed.
  • a refrigerator is equipped with a cooler 51 on the back side of the partition wall 20 and a blower fan 52 that blows the cold air generated by the cooler 51 to each storage compartment 13 .
  • Some of them have air passages such as a room blowout air passage 62, a first freezer compartment blowout air passage 63, a second freezer compartment blowout air passage 64, and the like.
  • partition wall 20 Due to the presence of the partition wall 20 in such a refrigerator, parts used for the cooler 51 and the blower fan 52 cannot be assembled or may be difficult to assemble because the parts used for the cooler 51 and the blower fan 52 do not enter the interior side of the partition wall 20 .
  • the partition wall 20 of this type of refrigerator is provided, the winds of the refrigerator compartment airflow path 62, the first freezer compartment airflow path 63, the second freezer compartment airflow path 64, etc. It may not be possible to form a duct, or it may be difficult to form an air duct.
  • the parts used for the cooler 51, the blower fan 52, etc. are assembled on the back side of the partition wall 20, the parts must be divided in order to be arranged on the back side of the partition wall 20. Costs may increase. Further, even if the air passages such as the refrigerator compartment air passage 62, the first freezer compartment air passage 63, and the second freezer compartment air passage 64 can be formed on the back side of the partition wall 20, In some cases, the parts forming the air passage must be divided in order to form the air passage, which increases the manufacturing cost.
  • first partition wall 21 is detachably arranged inside box 10 .
  • Refrigerator 100 according to Embodiment 2 includes cooler 51 or blower fan 52 or the like by using first partition wall 21 that divides first freezer compartment 14 and second freezer compartment 15 as a detachable component.
  • the first partition wall 21 can be removed when the parts to be used are attached to the inside of the box 10. - ⁇ Therefore, since the first partition wall 21 does not exist when the user attaches the parts constituting the cooler 51 or the blower fan 52 to the inside of the box 10, the refrigerator 100 can be easily assembled, and workability is improved. can do.
  • the user forms air passages such as the refrigerator compartment air passage 62, the first freezer compartment air passage 63, the second freezer compartment air passage 64, etc.
  • the first partition wall 21 does not exist. can be easily formed, and workability can be improved.
  • the partition wall 20 may not include a heat insulating material. If the partition wall 20 does not have a heat insulating material, the number of parts constituting the refrigerator 100 can be reduced, and the material cost and manufacturing cost can be reduced. Moreover, even if the partition wall 20 does not contain a heat insulating material, the partition wall 20 can prevent the smell of the food from being transferred between the storage compartments 13, and the food can be subdivided and stored.
  • first freezer compartment 14 is a freezer compartment that freezes through a supercooled compartment, or if the first freezer compartment 14 is a cold storage compartment that maintains the supercooled state of stored food, the first freezer compartment 14 is fine. Since temperature control is required, it is desirable that the first partition wall 21 include a heat insulating material. Refrigerator 100 includes first partition wall 21 having a heat insulating material and heater 80 , so that temperature control of storage compartment 13 can be easily performed.
  • Refrigerator 100 according to Embodiment 3 will be described. Components having the same functions and actions as refrigerators 100 according to Embodiments 1 and 2 are denoted by the same reference numerals, and descriptions thereof are omitted.
  • the refrigerator 100 according to Embodiment 3 will be described with a focus on the differences from the refrigerators 100 according to Embodiments 1 and 2, and the configuration of the refrigerator 100 according to Embodiment 3 that will not be described in Embodiment 1 and the refrigerator 100 according to the second embodiment.
  • Refrigerator 100 according to Embodiment 3 further specifies the configuration of first partition wall 21 .
  • the first partition wall 21 that divides the first freezer compartment 14 and the second freezer compartment 15 is manufactured and assembled using parts other than sheet metal, such as resin parts.
  • the first partition wall 21 is not provided with a heat radiation pipe for preventing dew condensation.
  • Other configurations of the first partition wall 21 are the same as those of the refrigerator 100 according to the first or second embodiment.
  • Refrigerator 100 is tilted 90 degrees in side view by freezer compartment door 31 and first partition wall 21 so that first freezer compartment 14 and second freezer compartment 15 are communicated on the back surface 31 a side of freezer compartment door 31 .
  • a U-shaped gap 70c is provided. This gap 70c is a passage through which cool air flows. Since the refrigerator 100 is provided with the gap 70c having the structure described above, the dry air inside the refrigerator 100 circulates around the first partition wall 21 when the freezer compartment door 31 is closed. Therefore, the first partition wall 21 is prevented from coming into contact with outside air containing a large amount of humidity. Therefore, in refrigerator 100 , the outside air is cooled, and dew is prevented from adhering around first partition wall 21 or packing 42 and lower packing 46 .
  • the refrigerator 100 can eliminate the heat radiation pipe provided in front of the partition wall 20 to prevent condensation.
  • First partition wall 21 of refrigerator 100 is not provided with a heat radiating pipe that dissipates heat in order to suppress the occurrence of dew condensation, and a sheet metal that covers the heat radiating pipe. Therefore, the refrigerator 100 can reduce the manufacturing cost and material cost for installation of the heat radiation pipe as compared with refrigerators that require heat radiation pipes.
  • the refrigerator 100 does not have a heat radiation pipe for preventing dew formation, it is possible to prevent the heat from the heat radiation pipe from flowing into the refrigerator and deteriorating the energy saving performance. Compared with refrigerators, energy saving performance can be improved.
  • the front side of the partition wall 20 is composed of sheet metal parts in order to exhibit the effect of the heat radiation pipe.
  • parts are divided into a main body portion of the partition wall 20 and a front portion of the partition wall 20 in order to dispose the heat radiation pipe.
  • the first partition wall 21 does not have a heat radiation pipe, it can be formed of a resin component.
  • Refrigerator 100 can mold first partition wall 21 as an integral part of resin, and can reduce the number of parts and material costs and manufacturing costs compared to refrigerators that require heat radiation pipes.
  • Embodiments 1 to 3 can be implemented in combination with each other.
  • the configurations shown in the above embodiments are examples, and can be combined with another known technique, and part of the configuration can be omitted or changed without departing from the scope of the invention. is also possible.
  • the configuration in which the first storage case 91 and the second storage case 92 are arranged side by side in the first freezer compartment 14 has been described. It is not limited to this.
  • the first freezer compartment 14 may be a space separated from the second freezer compartment 15 by the first partition wall 21 without providing the first storage case 91 and the second storage case 92 in the first freezer compartment 14 .
  • the refrigerator 100 has the upper protrusion 35 or the lower protrusion 36 or the upper protrusion 35 in front of the first partition wall 21 between the first freezer compartment 14 and the second freezer compartment 15 .
  • the heat transfer between the storage chambers 13 can be suppressed by providing the lower projecting portion 36 and closing a part of the gap 70c.
  • heat transfer between storage compartments 13 can be suppressed by installing packing 42 on upper protruding portion 35 and closing part of gap 70 c with packing 42 .

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

Abstract

L'invention concerne un réfrigérateur qui comprend un corps de boîte dans lequel sont formés un espace de stockage et une ouverture, une paroi de séparation qui divise l'intérieur de l'espace de stockage en espaces supérieur et inférieur, et une porte qui ouvre/ferme l'ouverture. Une pluralité de chambres de stockage est formée dans l'espace de stockage par le corps de boîte et la paroi de séparation ; la pluralité de chambres de stockage présente une première chambre de stockage positionnée au-dessus de la paroi de séparation et une seconde chambre de stockage positionnée au-dessous de la paroi de séparation ; la première chambre de stockage est régulée à une température plus élevée que la seconde chambre de stockage ; la porte est une porte unique qui ouvre/ferme simultanément la première chambre de stockage et la seconde chambre de stockage et présente une saillie supérieure faisant saillie à partir d'une surface côté espace de stockage de la porte ; un espace est formé à l'intérieur du corps de boîte entre la paroi de séparation et la porte et entre la paroi de séparation et la saillie supérieure lorsque la porte est fermée ; la première chambre de stockage et la seconde chambre de stockage communiquent par l'intermédiaire de l'espace ; et la saillie supérieure est disposée au-dessus de la paroi de séparation au niveau d'un espace à partir de la paroi de séparation lorsque la porte est fermée, et est formée pour s'étendre vers la gauche et vers la droite le long de la direction dans laquelle la paroi de séparation s'étend dans une vue avant, et formée de telle sorte que la paroi de séparation et une partie côté pointe de la saillie supérieure dans une direction de projection de celle-ci se chevauchent dans une vue de dessus.
PCT/JP2021/016958 2021-04-28 2021-04-28 Réfrigérateur WO2022230102A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AU2021443587A AU2021443587A1 (en) 2021-04-28 2021-04-28 Refrigerator
PCT/JP2021/016958 WO2022230102A1 (fr) 2021-04-28 2021-04-28 Réfrigérateur
JP2023516946A JP7433520B2 (ja) 2021-04-28 2021-04-28 冷蔵庫
TW111114226A TWI833201B (zh) 2021-04-28 2022-04-14 冰箱

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/016958 WO2022230102A1 (fr) 2021-04-28 2021-04-28 Réfrigérateur

Publications (1)

Publication Number Publication Date
WO2022230102A1 true WO2022230102A1 (fr) 2022-11-03

Family

ID=83848060

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/016958 WO2022230102A1 (fr) 2021-04-28 2021-04-28 Réfrigérateur

Country Status (4)

Country Link
JP (1) JP7433520B2 (fr)
AU (1) AU2021443587A1 (fr)
TW (1) TWI833201B (fr)
WO (1) WO2022230102A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0267872U (fr) * 1988-11-11 1990-05-23
JP2002130933A (ja) * 2000-10-30 2002-05-09 Matsushita Refrig Co Ltd 冷蔵庫
US20030131617A1 (en) * 2000-01-25 2003-07-17 Eugen Schmid Refrigerating appliance comprising a refrigerating compartment, a cold storage compartment and a freezer compartment
WO2010016196A1 (fr) * 2008-08-05 2010-02-11 パナソニック株式会社 Réfrigérateur
CN101839603A (zh) * 2010-05-13 2010-09-22 合肥美的荣事达电冰箱有限公司 冰箱
JP2012026642A (ja) * 2010-07-23 2012-02-09 Toshiba Corp 冷凍冷蔵庫
JP2013185732A (ja) * 2012-03-07 2013-09-19 Panasonic Corp 冷蔵庫
JP2014025619A (ja) * 2012-07-25 2014-02-06 Mitsubishi Electric Corp 冷蔵庫
WO2017130270A1 (fr) * 2016-01-25 2017-08-03 三菱電機株式会社 Réfrigérateur
JP2020118342A (ja) * 2019-01-23 2020-08-06 日立グローバルライフソリューションズ株式会社 冷蔵庫

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011208806A (ja) 2008-08-05 2011-10-20 Panasonic Corp 冷蔵庫

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0267872U (fr) * 1988-11-11 1990-05-23
US20030131617A1 (en) * 2000-01-25 2003-07-17 Eugen Schmid Refrigerating appliance comprising a refrigerating compartment, a cold storage compartment and a freezer compartment
JP2002130933A (ja) * 2000-10-30 2002-05-09 Matsushita Refrig Co Ltd 冷蔵庫
WO2010016196A1 (fr) * 2008-08-05 2010-02-11 パナソニック株式会社 Réfrigérateur
CN101839603A (zh) * 2010-05-13 2010-09-22 合肥美的荣事达电冰箱有限公司 冰箱
JP2012026642A (ja) * 2010-07-23 2012-02-09 Toshiba Corp 冷凍冷蔵庫
JP2013185732A (ja) * 2012-03-07 2013-09-19 Panasonic Corp 冷蔵庫
JP2014025619A (ja) * 2012-07-25 2014-02-06 Mitsubishi Electric Corp 冷蔵庫
WO2017130270A1 (fr) * 2016-01-25 2017-08-03 三菱電機株式会社 Réfrigérateur
JP2020118342A (ja) * 2019-01-23 2020-08-06 日立グローバルライフソリューションズ株式会社 冷蔵庫

Also Published As

Publication number Publication date
TW202242330A (zh) 2022-11-01
TWI833201B (zh) 2024-02-21
JP7433520B2 (ja) 2024-02-19
AU2021443587A1 (en) 2023-11-09
JPWO2022230102A1 (fr) 2022-11-03

Similar Documents

Publication Publication Date Title
JP5575452B2 (ja) 冷蔵庫
KR101306536B1 (ko) 냉장고
JP2007071487A (ja) 冷蔵庫
WO2012105250A1 (fr) Réfrigérateur
JP6230235B2 (ja) 冷蔵庫
JP6706749B2 (ja) 冷蔵庫
JP3805163B2 (ja) 冷蔵庫の仕切り構造
WO2012140854A1 (fr) Réfrigérateur
JP2004293991A (ja) 冷蔵庫
WO2017209032A1 (fr) Réfrigérateur
WO2022230102A1 (fr) Réfrigérateur
WO2012172800A1 (fr) Réfrigérateur
JP7296621B2 (ja) 遮蔽装置およびそれを備えた冷蔵庫
JPH1123132A (ja) 冷蔵庫
JP2014167361A (ja) 冷蔵庫
JP2017215117A (ja) 冷蔵庫
WO2024029225A1 (fr) Réfrigérateur
JP2017215119A (ja) 冷蔵庫
JP5404549B2 (ja) 冷凍冷蔵庫
WO2004085938A1 (fr) Réfrigérateur
JP2001280795A (ja) 冷蔵庫
JP2010236746A (ja) 冷気循環式冷蔵庫
JP2015017737A (ja) 冷蔵庫
WO2024029208A1 (fr) Réfrigérateur
WO2024029238A1 (fr) Réfrigérateur

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: 21939263

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2023516946

Country of ref document: JP

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2301006884

Country of ref document: TH

WWE Wipo information: entry into national phase

Ref document number: AU2021443587

Country of ref document: AU

Ref document number: 804880

Country of ref document: NZ

Ref document number: 2021443587

Country of ref document: AU

ENP Entry into the national phase

Ref document number: 2021443587

Country of ref document: AU

Date of ref document: 20210428

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2023130326

Country of ref document: RU

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21939263

Country of ref document: EP

Kind code of ref document: A1