WO2016129050A1 - Réfrigérateur congélateur - Google Patents

Réfrigérateur congélateur Download PDF

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Publication number
WO2016129050A1
WO2016129050A1 PCT/JP2015/053592 JP2015053592W WO2016129050A1 WO 2016129050 A1 WO2016129050 A1 WO 2016129050A1 JP 2015053592 W JP2015053592 W JP 2015053592W WO 2016129050 A1 WO2016129050 A1 WO 2016129050A1
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WO
WIPO (PCT)
Prior art keywords
refrigerator
cooler
return air
freezer
room
Prior art date
Application number
PCT/JP2015/053592
Other languages
English (en)
Japanese (ja)
Inventor
有希 伊藤
浩史 宮崎
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2015/053592 priority Critical patent/WO2016129050A1/fr
Priority to JP2016574549A priority patent/JP6422513B2/ja
Priority to CN201620114784.5U priority patent/CN205536801U/zh
Publication of WO2016129050A1 publication Critical patent/WO2016129050A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F25D11/02—Self-contained movable devices, e.g. domestic refrigerators with cooling compartments at different temperatures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/08—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation using ducts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating

Definitions

  • the present invention relates to a refrigerator-freezer provided with a damper device.
  • a conventional refrigerator-freezer for example, air that has circulated through the storage room and flows into the cooler room is cooled by heat exchange in the cooler and then cooled (cool air) is sent to the storage room for storage.
  • the air sent to the chamber circulates in the storage chamber and cools the storage chamber.
  • an air passage connecting the cooler and each storage is provided in the refrigerator-freezer, and among these, a return air passage is a path for returning the cold air from the food storage room to the cooler.
  • a refrigerator-freezer equipped with a damper is known.
  • the defrost heater provided around the cooler (mainly at the lower part of the cooler) is regularly energized to warm the cooler. Defrosting.
  • Patent Document 1 in order to save energy in a refrigerator-freezer, not only a damper is installed in the air passage that sends cold air from the cooler to the food storage room, but also a return air passage that sends cold air from the food storage room to the cooler.
  • a refrigerator-freezer that is provided with a damper and closes the damper when the compressor is stopped and when the defrosting operation is performed.
  • Patent Document 2 in a refrigerator / freezer having a plurality of heat insulation compartments, a discharge air passage and a return air passage communicating the heat insulation compartment and the cooler are provided, and the heat insulation compartment and the cooler having a temperature higher than the refrigeration temperature zone.
  • a refrigerator-freezer in which a damper is provided in a return air passage communicating with.
  • this has the effect of preventing the icing and frosting of the damper itself by installing the damper in the return air path of the heat insulating compartment higher than the freezing temperature zone.
  • the refrigerator-freezer is provided with an air passage connecting the cooler and each storage in order to circulate cooled air (cold air) into the storage chamber.
  • the return air path connected to the cooler from the storage room in a different temperature zone includes the return air path damper for the freezer room provided in the return air path from the freezer room, the return air path from the refrigerator room, and the vegetable room. It has a structure that prevents cold air leakage by adopting a structure in which dampers are installed, such as a provided cold storage room and a vegetable room return air path damper. Since this structure uses a plurality of dampers, there is a problem that costs increase.
  • a return air path damper from the storage chamber to the cooler is installed near the cooler.
  • the return air damper When the return air damper is disposed near the compartment of the freezing temperature zone, dew condensation occurs in the return air damper when the humidity of the cold air returning from the vegetable room is high, such as the return air path. If water droplets adhere to the return air path damper, the return air path damper is frozen while the return air path damper is closed when the compressor is stopped. Accordingly, there is a problem that the return air path damper is not opened, the cooling air is not sent to the food storage space, and the food storage space cannot be cooled.
  • the present invention has been made to solve the above-described problems, and a damper is provided at the outlet on the cooler side of the return air passage from a storage room (for example, a refrigerator room or a vegetable room) having a temperature higher than the freezing temperature zone.
  • a storage room for example, a refrigerator room or a vegetable room
  • the purpose of this is to prevent the heat of the cooler and the defrost heater around it from being transferred to the storage room having a temperature higher than the refrigeration temperature zone by closing and during the defrosting operation.
  • the refrigerator-freezer according to the present invention is composed of a refrigerator-freezer main body and the refrigerator-freezer main body separated by a heat insulating wall, and in two or more different temperature zones including a refrigerated storage room that is maintained at a temperature higher than the freezing temperature zone.
  • a plurality of storage chambers to be held, a cooler, a cooler fan for sending cool air cooled by the cooler to the storage chamber, a defrost heater provided under the cooler, and the refrigerated storage chamber A refrigerated storage chamber return air passage for sending cold air from the refrigeration storage chamber to the cooler, and a return air passage damper installed at an outlet on the cooler side of the refrigerated storage chamber return air passage.
  • the return air path damper is installed at the outlet on the cooler side of the return air path of the storage room (for example, the refrigeration room, the vegetable room) having a temperature higher than the freezing temperature range. Even if the exit lower end of the return air passage from the high temperature storage room is at the same height as or higher than the position where the defrost heater is installed, the heat of the cooler and the defrost heater is transmitted to the storage room. This can be prevented, and the cooler can be efficiently warmed by the heat of the defrosting heater.
  • the storage room for example, the refrigeration room, the vegetable room
  • FIG. 2 is a view showing a BB cross section in FIG. 1. It is the figure which looked at the freezer compartment of the refrigerator-freezer in Embodiment 1 of the present invention from the refrigerator-freezer front side. It is an operation
  • Embodiment 1 FIG.
  • “up”, “down”, “left”, and “right” mean “up”, “down”, “left”, and “right” when viewed from the front of the refrigerator shown in FIG. "” Means the opening side of the refrigerator-freezer main body having a storage part inside, and “after” means the back side of the refrigerator-freezer.
  • FIG. 1 is a front view of the refrigerator-freezer according to Embodiment 1 of the present invention.
  • the refrigerator-freezer according to the present embodiment has a refrigerator-freezer main body 1, and the inside of the refrigerator-freezer main body is a plurality of storage rooms for storing foods and the like, and is partitioned by a partition having a heat insulating function. .
  • Each storage chamber is closed on the front side by a door having a heat insulating function, and each storage chamber is thermally insulated from the outside of the refrigerator-freezer.
  • Refrigeration room 2 for storing foods is located at the top of the refrigerator main body 1.
  • the front surface of the refrigerator compartment 2 is closed by a refrigerator compartment door 19.
  • a refrigerator compartment door handle 31 is installed at the left end of the refrigerator compartment door 19, and the user holds the refrigerator compartment door handle 31 to open and close the refrigerator compartment door 19.
  • the vegetable room 3 is located in the lower part of the refrigerator compartment 2 and is maintained at a higher temperature than the refrigerator compartment 2.
  • the front of the vegetable compartment 3 is closed by the vegetable compartment door 20.
  • the vegetable compartment door 20 is provided with a vegetable compartment door handle 32 at the upper end thereof, and is opened and closed by grasping the vegetable compartment door handle 32.
  • the freezer compartment 4 is located below the vegetable compartment 3.
  • the front surface of the freezer compartment 4 is closed by a freezer compartment door 21.
  • the freezer compartment door 21 is provided with a freezer compartment door handle 33 at the upper end, and is opened and closed by gripping the freezer compartment door handle 33.
  • the refrigerator-freezer according to the present embodiment has three storage rooms of the refrigerator compartment 2, the vegetable compartment 3, and the freezer compartment 4 and can maintain three temperature zones. For example, it is lower than the refrigerator compartment 2
  • a chilled chamber or the like that maintains a temperature range higher than that of the freezing chamber 4 may be further provided.
  • it may be comprised from the storage room of two temperature zones (refrigeration room 2 and freezer compartment 4), having two storage rooms.
  • the refrigerator-freezer according to the present embodiment may include, for example, an ice making chamber, a switching chamber that can switch a temperature zone, and the like.
  • a storage room having a temperature higher than the freezing temperature zone such as the refrigerator room 2, the vegetable room 3, and the chilled room corresponds to the refrigerator room in the present invention.
  • FIG. 2 is a view showing a cross section taken along the line AA in FIG. 1, and is a view showing the air path configuration of the refrigerator compartment and the vegetable compartment.
  • a cooler 5 On the back side of the freezer compartment 4, a cooler 5, a cooling fan 6, and a defrost heater 16 are installed.
  • the cooling fan 6 is located in the upper part of the cooler 5 and sends cold air cooled by the cooler 5 to each storage room.
  • the defrost heater 16 is located below the cooler 5 and heats the cooler 5 located above the defrost heater during defrosting.
  • the refrigeration room cold air blowing path 7 communicating from the cooler 5 to the refrigeration room 2 extends upward along the rear surface of the refrigerator-freezer body 1.
  • the refrigerating room cool air blowing path 7 extends to the top of the refrigerating room 2 and is opened so that the cold air is discharged.
  • refrigerator compartment shelves 40a to 40c that are partitioned into a plurality of layers in the height direction and on which food items and the like can be placed are installed.
  • the refrigerator compartment shelves 40a-40c are made of, for example, resin or glass.
  • the openings 41a-41c of the refrigerator compartment cool air blowing path 7 are provided so that the layers partitioned by the refrigerator compartment shelves 40a-40c are cooled in the same manner.
  • the opening 41a is provided above the refrigerator compartment shelf 40a, the opening 41b is provided between the refrigerator compartment shelf 40a and the refrigerator compartment shelf 40b, and the opening 41c is formed between the refrigerator compartment shelf 40b and the refrigerator compartment shelf 40c. It is provided in between.
  • the arrow 23 in the figure indicates the flow of cold air from the cooler to the refrigerator compartment.
  • the arrow 24 in the figure indicates the flow of cold air in the refrigerator compartment 2.
  • the refrigerator compartment cool air ventilation path 7 is corresponded to the ventilation path of this invention.
  • a blower damper 12 is installed in the cold room air blow path 7.
  • the blower damper 12 is installed on the upstream side (cooler 5 side) of the cool air flow from the openings 41a-41c.
  • the blower damper 12 can be opened and closed.
  • the blower damper 12 By opening and closing the blower damper 12, the amount of cold air supplied from the cooler 5 through the refrigerating room cold air blowing path 7 into the refrigerating room 2 is adjusted, and the temperatures of the refrigerating room 2 and the vegetable room 3 are adjusted. That is, when the temperature of the refrigerator compartment 2 and the vegetable compartment 3 falls below a certain value, the blower damper 12 is closed so as not to send cold air.
  • the cold air cooled with the cooler 5 can be used efficiently, and the power consumption of a refrigerator-freezer can also be suppressed by extension.
  • a vegetable compartment cold air passage 8 communicating with the vegetable compartment 3 is provided in the lower part of the refrigerator compartment 2.
  • the cold air that has come down in the refrigerator compartment 2 flows into the vegetable compartment 3 from the vegetable compartment cold air blowing path 8.
  • the arrow 25 in the figure is a flow of cold air in the vegetable compartment.
  • a return air passage 10 from the vegetable room for sending cold air from the vegetable room 3 to the cooler 5 is installed in the lower part of the rear side of the vegetable room 3.
  • the return air path 10 from the vegetable room corresponds to the return air path of the refrigerated storage room of the present invention.
  • the return air passage 10 from the vegetable compartment passes through the rear side surface of the freezer compartment 4, and the exit lower end 14 of the return air passage from the vegetable compartment is the same height as the lower end of the defrost heater 16 or the defrost heater. It is arranged at a position higher than the lower end of 16.
  • the arrow 26 in the figure indicates the flow of cold air from the vegetable compartment to the cooler.
  • a return air path damper 13 is installed at the cooler 5 side exit of the return air path 10 from the vegetable compartment. The return air path damper 13 can be opened and closed. By opening and closing the return air path damper 13, the amount of cold air returning from the vegetable compartment 3 to the cooler 5 is adjusted, and the temperatures of the refrigerator compartment 2 and the vegetable compartment 3 are adjusted.
  • the return air path damper 13 is closed, and the cold air cooled by the cooler 5 travels along the return air path 10 from the vegetable compartment and escapes to the vegetable compartment 3 side. Do not. Thereby, the cold air cooled with the cooler 5 can be used efficiently, and the power consumption of a refrigerator-freezer can also be suppressed by extension.
  • the lower part of the refrigerator compartment 2 communicates with the vegetable compartment 3.
  • the cooler 5 is directly connected to the vegetable compartment 3 to
  • a vegetable room cold air supply passage (not shown) for supplying the vegetable room 3 to the vegetable room 3.
  • the vegetable room air cooler is provided with a vegetable room air duct damper, the opening and closing control is performed, the amount of cool air sent to the vegetable room 3 is adjusted, and the temperature of the vegetable room 3 is adjusted.
  • refrigerator compartment return air path (not shown) which connects directly to the cooler 5 from the refrigerator compartment 2, and returns the cool air of the refrigerator compartment 2 to the refrigerator 5, In this case, the return from the vegetable compartment
  • a refrigerator return air passage damper (not shown) is provided at the outlet of the refrigerator return air passage on the cooler 5 side.
  • the amount of cool air returning from the refrigerator compartment 2 to the cooler 5 is adjusted by opening and closing the refrigerator return air duct damper, and the temperature of the refrigerator compartment 2 is adjusted.
  • the number of dampers installed in the air path connecting the cooler 5 and each storage room increases, so this is carried out to reduce costs and secure storage room space.
  • the refrigerator-freezer according to the embodiment is more advantageous.
  • the refrigerator-freezer it arrange
  • positioning is not limited only to this.
  • the refrigerator compartment 2, the freezer compartment 4, and the vegetable compartment 3 are arranged in this order from the top of the refrigerator-freezer, it is necessary to provide an air passage that connects the refrigerator compartment 2 and the vegetable compartment 3.
  • the refrigerator-freezer according to the present embodiment is more advantageous.
  • FIG. 3 is a cross-sectional view taken along the line BB in FIG. 1, and is a view showing the air path configuration of the freezer compartment 4.
  • the cooler 5 is disposed in a space behind the freezer compartment 4.
  • a return air passage 11 from the freezer compartment that sends cold air from the freezer compartment 4 to the cooler 5 is provided on the lower rear surface of the freezer compartment 4.
  • the exit on the cooler 5 side of the return air passage 11 from the freezer compartment is not provided with a damper and is always open.
  • An arrow 27 shown in the freezer compartment 4 indicates the flow of cold air in the freezer compartment 4.
  • An outlet upper end 15 from the freezer compartment 4 to the cooler 5 is disposed below the defrost heater 16.
  • a drip tray 17 that receives water droplets that have fallen from the cooler 5 due to defrosting is disposed below the defrosting heater 16.
  • a compressor 18 is disposed in a space across the heat insulating wall below the drip tray 17. The compressor 18 is connected to a condenser (not shown), a decompressor (not shown), a cooler 5 (evaporator), and a refrigerant circuit to constitute a refrigeration cycle for cooling the storage chamber.
  • the refrigerator-freezer (Refrigerating refrigerator during cooling operation and movement of cold air in the refrigerator) There are two types of operation of the refrigerator-freezer: a cooling operation and a defrosting operation.
  • the cold air cooled by the cooler 5 is sent into the cold room air blow path 7 by the cooling fan 6.
  • the blower damper 12 installed in the refrigerating room cool air blowing path 7 is controlled to be openable and closable, and is opened and closed according to the temperatures of the refrigerating room 2 and the vegetable room 3.
  • the blower damper 12 When the blower damper 12 is opened, the cold air flows as shown by the arrow 23 shown in FIG.
  • the cold air flows into the refrigerating chamber 2 from the openings 41a-41c provided in the refrigerating chamber cool air blowing path 7, flows through the refrigerating chamber 2 as shown by the arrow 24 in FIG.
  • the cold air that has cooled the inside of the refrigerating room 2 descends the refrigerating room 2 and flows into the vegetable room cold air blowing path 8 provided on the rear side of the lower part of the refrigerating room 2.
  • the cold air that has flowed into the vegetable room cold air passage 8 circulates in the vegetable room 3 as shown by the arrow 25 in FIG.
  • the cold air that has descended in the vegetable compartment 3 flows into the return air passage 10 from the vegetable compartment.
  • the return air path damper 13 provided at the outlet of the cooler 5 side of the vegetable room cool air blower path 8 can be controlled to open and close, and when open, the cool air is returned from here to the cooler 5 and cooled again. Is done.
  • the return air path damper 13 Since the return air path damper 13 is installed in the return air path 10 from the vegetable room, even if the exit lower end 14 of the return air path from the vegetable room is at the same height or higher position as the defrosting heater 16, it is removed. Air heated by the defrost heater 16 during the frost operation can be prevented from flowing into the vegetable compartment 3. Thereby, the heat of the defrost heater 16 is efficiently used for defrosting the cooler 5 without the heat of the defrost heater 16 being transmitted to the return air passage 10 from the vegetable compartment.
  • the defrost heater 16 since the cool air heated by the defrost heater 16 does not flow into the refrigerating room cool air blow path 7 and flows into the refrigerating room 2 by closing the blower damper 12, the heat of the defrost heater 16 is refrigerated. 2 and the vegetable room 3 are difficult to reach. As described above, since the heat of the defrost heater 16 is directed to the cooler 5, the defrost time can be shortened.
  • the outlet upper end 15 from the freezer compartment 4 to the cooler 5 is disposed at a position lower than the defrost heater 16, the air heated by the defrost heater 16 at the time of defrosting is returned from the freezer compartment by natural convection. Prevents flow into path 11. Thereby, the frost adhering to the cooler 5 can be melted efficiently without the heat escaping to the freezer compartment 4. Further, by arranging the exit of the return air passage 11 from the freezer as described above, it is not necessary to install a return air damper in the return air passage 11 from the freezer compartment, so that the cost can be suppressed, Reduction of storage space can also be suppressed.
  • FIG. 4 is a view of the freezer compartment 4 of the refrigerator-freezer according to Embodiment 1 of the present invention as viewed from the front side of the refrigerator-freezer.
  • the positional relationship of the cooler 5, the defrost heater 16, the return air path 11 from the freezer compartment, and the return air path 10 from the vegetable compartment is shown.
  • a cooler 5 is disposed behind the freezer compartment 4.
  • the return air passage 10 from the vegetable compartment is disposed behind the freezer compartment 4, and there is a heat insulating wall between the freezer compartment 4.
  • An outlet for returning cool air to the cooler 5 is installed in the return air passage 10 from the vegetable room.
  • the outlet lower end 14 of the return air passage from the vegetable compartment has an outlet at the same height as the defrost heater 16 installed on the lower side of the cooler 5.
  • a return air path damper 13 from the vegetable room is installed at the exit of the return air path from the vegetable room.
  • Below the defrost heater 16 an outlet of the air path from the freezer compartment 4 to the cooler 5 is installed, and the cool air is returned from the freezer compartment 4 to the cooler 5.
  • An arrow 28 indicates the flow of cool air returning from the freezer compartment 4 to the cooler 5.
  • the exit upper end 15 from the freezer compartment 4 to the cooler 5 is installed at a position lower than the defrost heater 16.
  • the return air path damper 13 from the vegetable room is installed at the outlet of the return air path 10 from the vegetable room on the cooler 5 side, it may be cooled by the cooler 5 and freeze. This is because the cold air in the vegetable room 3 with high humidity is condensed near the cooler 5 and the return air path damper 13 with a low temperature, and water droplets due to the condensation are frozen. As a result, there is a possibility that the door of the return air path damper 13 cannot be opened and closed. However, even if the return air path damper 13 freezes, the return air path damper 13 is disposed at the same height or higher position as the lower end of the defrost heater 16, so that the defrost heater 16 is heated during the defrost operation. The generated air moves to the vicinity of the return air damper by natural convection, and the frozen part melts. As a result, the return air path damper 13 can be opened and closed again.
  • the exit lower end 14 of the return air passage from the vegetable room may be installed at a position higher than the defrost heater 16.
  • it is desirable that the exit of the return air passage from the vegetable compartment is installed at a position lower than the lower end of the cooler 5 (side closer to the defrost heater 16).
  • the return air passage damper 13 is easily frozen by the cooler 5 during normal operation, and is removed during the defrosting operation. This is because it takes time to melt the freezing of the return air path damper 13 because the distance from the frost heater 16 is increased. Therefore, in order to improve the efficiency of defrosting during the defrosting operation, the refrigerator-freezer according to the present embodiment is more advantageous.
  • FIG. 5 is an operation diagram of the return air path damper door.
  • a return air path damper 13 is installed at the outlet of the return air path 10 from the vegetable compartment on the cooler 5 side.
  • the door 22 of the return air path damper 13 can be opened and closed.
  • the door 22 a is perpendicular to the return air passage 10 from the vegetable compartment and fits inside the return air damper outer frame 29, and the vegetable compartment 3.
  • To the cooler 5 is blocked.
  • the air on the cooler 5 and defrost heater 16 side is blocked so as not to flow to the vegetable compartment 3 side.
  • a return air path damper substrate outer frame 30 is installed at the upper part of the outlet of the return air path 10 from the vegetable compartment on the cooler 5 side.
  • the door 22 of the return air path damper 13 is open, the flow of cold air from the vegetable compartment 3 to the cooler 5 is maintained at an angle other than horizontal, as in the door 22b shown in FIG. 26 can be passed to the cooler 5 side.

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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)
  • Defrosting Systems (AREA)

Abstract

La présente invention concerne un réfrigérateur congélateur, comprenant : un corps (1) de réfrigérateur congélateur ; une pluralité de compartiments de stockage (2, 3, 4) qui sont conçus par séparation du corps (1) de réfrigérateur congélateur par une paroi isolante et qui sont maintenus au niveau de deux ou plusieurs zones de températures différentes comprenant un compartiment de stockage (2, 3) de réfrigérateur maintenu à une température supérieure à une zone de température de congélateur ; un refroidisseur (5) ; un ventilateur de refroidissement (6) qui envoie de l'air froid refroidi par le refroidisseur (5) aux compartiments de stockage (2, 3, 4) ; un élément chauffant de dégivrage (16) qui est disposé sous le refroidisseur (5) ; un trajet d'air de retour (10) de compartiment de stockage de réfrigérateur par lequel de l'air froid est envoyé du compartiment de stockage de réfrigérateur (2, 3) vers le refroidisseur (5) ; et un régulateur (13) de trajet d'air de retour qui est disposé au niveau d'une sortie du trajet d'air de retour (10) de compartiment de stockage de réfrigérateur du côté refroidisseur (5).
PCT/JP2015/053592 2015-02-10 2015-02-10 Réfrigérateur congélateur WO2016129050A1 (fr)

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PCT/JP2015/053592 WO2016129050A1 (fr) 2015-02-10 2015-02-10 Réfrigérateur congélateur
JP2016574549A JP6422513B2 (ja) 2015-02-10 2015-02-10 冷凍冷蔵庫
CN201620114784.5U CN205536801U (zh) 2015-02-10 2016-02-04 冷冻冷藏箱

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CN112378146B (zh) * 2018-01-31 2022-03-22 日立环球生活方案株式会社 冰箱
CN111473586A (zh) * 2019-01-23 2020-07-31 青岛海尔电冰箱有限公司 一种冰箱的多路送风结构及冰箱
CN110068187A (zh) * 2019-04-11 2019-07-30 安徽康佳同创电器有限公司 一种冰箱

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JP2014052101A (ja) * 2012-09-05 2014-03-20 Sharp Corp 冷蔵庫

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