JP2014081105A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator capable of inhibiting the occurence of short circuits even if an air outlet and an air inlet are aligned in a vertical direction at a storage room where a storage container is arranged.SOLUTION: A refrigerator includes: a storage room 50; a storage container 52 arranged in the storage room 50; a cooler 64 which cools air; a cooler chamber 71 in which the cooler 64 is arranged; an air outlet 79 through which the air cooled by the cooler 64 is blown out from the cooler chamber 71 to the storage room 50; and an air inlet 80 through which the air in the storage room 50 returns to the cooler chamber 71. The storage container 52 includes a lower container 53 and an upper container 54 provided above the lower container 53. The air outlet 79 and the air inlet 80 are aligned in a vertical direction. The air outlet 79 faces a rear opening 53b provided on a rear surface 53a of the lower container 53.

Description

  Embodiments of the present invention relate to a refrigerator.

  The refrigerator has storage rooms such as a refrigerator room, a vegetable room, a freezer room, etc., and the air cooled by the cooler is blown out from the outlet to the storage room by a fan, and is repeatedly circulated from the suction port back to the cooler. Cool storage room. In the refrigerator, in order to reduce the air flow resistance and improve the cooling efficiency in a limited space, it is possible to enlarge the opening area of the outlet and the inlet by arranging the outlet and the inlet vertically. (For example, see Patent Document 1 below).

  However, in a storage room such as a vegetable room or a freezer room, a storage container that is pulled out in conjunction with the opening of a drawer-type door may be stored inside, but the storage in which such a storage container is disposed. If the air outlet and the air inlet are arranged side by side in the chamber, there is a problem that a short circuit in which the air blown out from the air outlet hits the rear wall of the storage container and is sucked into the air inlet without cooling the storage chamber is likely to occur. .

JP 2008-45817 A

  The present invention has been made in consideration of the above circumstances, and a refrigerator capable of suppressing the occurrence of a short circuit even when a blower outlet and a suction opening are provided side by side in a storage chamber provided with a storage container. The purpose is to provide.

  The refrigerator of the present embodiment is cooled by the storage chamber, the storage container disposed in the storage chamber, the cooler for cooling the air, the cooler chamber in which the cooler is disposed, and the cooler. And a suction port through which the air in the storage chamber returns to the cooler chamber, and the storage container includes a lower container and a lower container. An upper container provided on the upper side, the outlet and the suction port are provided side by side, and the outlet is opposed to a rear opening provided on the rear surface of the lower container. .

It is sectional drawing of the refrigerator which concerns on 1st Embodiment. It is a perspective view of the storage container of the refrigerator of FIG. It is a figure which shows the refrigerating cycle of the refrigerator of FIG. It is a principal part expanded sectional view of FIG. It is AA sectional drawing of FIG.

  Hereinafter, a first embodiment of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the refrigerator 10 according to the present embodiment includes a cabinet 16 provided with a heat insulating space 13 between an outer box 12 made of a steel plate and an inner box 14 forming a storage space.

  The storage space formed inside the inner box 14 is partitioned into an upper refrigeration space 20 and a lower refrigeration space 40 by a heat insulating partition wall 17.

  The refrigerated space 20 is a space that is cooled to a refrigeration temperature (for example, 2 to 3 ° C.), and the interior is further divided vertically by a partition wall 21, and a plurality of mounting shelves are provided above the partition wall 21. A refrigerator compartment 22 is provided, and a vegetable compartment 24 is provided below the partition wall 21.

  A freezing space 40 disposed below the vegetable compartment 24 via the heat insulating partition wall 17 is a space cooled to a freezing temperature (for example, −18 ° C. or lower), and is small in size with an ice making room 42 equipped with an automatic ice making machine. A freezer compartment 46 is provided on both the left and right sides, and a freezer compartment 50 is provided below that via a partition wall 49.

  The opening of the refrigerating room 22 is closed by a refrigerating room door 23 pivotally supported by hinges provided on the upper and lower sides of one side of the cabinet 16.

  Openings of the vegetable compartment 24, the ice making compartment 42, the small freezer compartment 46 and the freezer compartment 50 are closed by drawer type doors 25, 47 and 51. The pair of left and right support frames fixed to the back surfaces of the doors 25, 47, 51 hold the storage containers 26, 44, 48, 52, and are configured to be pulled out of the cabinet when the door is opened. Yes.

  As shown in FIG. 2, the storage container 52 disposed inside the freezer compartment 50 includes a lower container 53 and an upper container 54 provided above the lower container 53, and has a structure that overlaps in two upper and lower stages. There is no. The lower container 53 and the upper container 54 have a bottomed box shape that is surrounded by the front wall, the rear wall, and the left and right side walls. The lower container 53 is deeper than the upper container 54. Is provided.

  The upper container 54 is formed of a transparent resin material so that the inside of the lower container 53 can be viewed from above through the upper container 54. The upper container 54 is pulled out of the container independently of the lower container 53 by sliding in the front-rear direction on rails 50 a formed on the left and right side wall surfaces of the freezer compartment 50.

  The lower container 53 is supported by a support frame 55 fixed to the back side of the freezer compartment door 51, and is pulled out of the cabinet as the door 51 is opened. The rear wall 53a that constitutes the rear surface of the lower container 53 is provided with a rear opening 53b that is recessed downward from the upper end at the center in the width direction, and the bottom 54a of the upper container 54 that is disposed above the rear opening 53b. The upper part is closed and partitioned.

  In addition, a plurality of long hole-like vent holes 53d that are vertically formed in the left and right side walls 53c constituting the side surface of the lower container 53 are formed. The opening position of the vent 53d is provided below the bottom 54a of the upper container 54 superimposed on the lower container 53 so that the vent 53d is not blocked by the upper container 54 disposed above. Yes. In the present embodiment, the case where the vent holes 53d are provided in the left and right side walls 53c of the lower container 53 will be described.

  In the rear part of the refrigeration space 20, a refrigeration cooler 62 that cools the air in the refrigeration space 20, and a refrigeration blower fan 63 that blows the cold air cooled by the refrigeration cooler 62 to the refrigeration chamber 22 and the vegetable compartment 24. A refrigerated cooling chamber 28 is provided. In addition, at the rear of the freezing space 40, the freezing cooler 64 that cools the air in the freezing space 40 and the cold air cooled by the freezing cooler 64 are blown to the ice making chamber 42, the small freezing chamber 46, and the freezing chamber 50. A refrigeration cooling chamber 71 is provided that houses the refrigeration blower fan 65 that performs the refrigerating operation.

  The refrigeration cooler 62 and the refrigeration cooler 64 constitute a refrigeration cycle 60 together with a compressor 61 and a condenser 66 housed in a machine room 19 provided at the lower back of the cabinet 16.

  As shown in FIG. 3, the refrigeration cycle 60 includes a compressor 61 that discharges a high-temperature and high-pressure gaseous refrigerant, a condenser 66 that receives the gaseous refrigerant discharged from the compressor 61 and liquefies heat, and a condenser A switching valve 67 provided on the outlet side of the condenser 66 for switching the refrigerant flow path, a refrigeration cooler 62 and a refrigeration cooler 64, and a refrigeration decompression device 68 as a throttling means for the coolers 62 and 64. The refrigerating cooler 62 and the refrigerating cooler 64 are circulated by circulating the refrigerant discharged from the compressor 61 by connecting them with a refrigerant pipe. Cool down.

  As shown in FIG. 1, the refrigeration cooling chamber 28 is connected to a rear duct 27 provided on the rear surface of the refrigeration chamber 22, and the air cooled by the refrigeration cooler 62 by the rotation of the refrigeration fan 63 Then, it flows upward from the lower end to the upper end of the back duct 27 and blows out into the refrigerating chamber 22 from the air outlet 29 provided on the back surface of the refrigerating chamber 22. After the air blown into the refrigerator compartment 22 flows through the refrigerator compartment 22, part of the air returns to the refrigerator compartment 28 from the suction port 30 provided in the partition wall 21, and the other part penetrates the partition wall 21. After flowing into the vegetable compartment 24 through the provided inlet (not shown) and flowing through the vegetable compartment 24, the suction chamber 31 is provided on the back of the vegetable compartment 24 and returns to the refrigerated cooling compartment 28.

  As shown in FIGS. 1, 4, and 5, the freezing cooling chamber 71 communicates with the air outlets 72 and 73 provided on the back surfaces of the ice making chamber 42 and the small freezing chamber 46, and includes a first outlet duct 74 and a second outlet duct 74. The blowout duct 75 and the suction duct 76 are connected.

  The first blow-out duct 74 is provided inside the partition wall 49 that constitutes the upper surface of the freezer compartment 50, and connects the first air outlet 77 provided at the rear portion of the partition wall 49 and the freezing cooling chamber 71. .

  The second blowout duct 75 and the suction duct 76 are provided inside a cover body 78 that covers the front surface of the refrigeration cooler 64 provided on the back surface of the freezer compartment 50, and open to the back surface of the freezer chamber 50. 79 and the freezing side suction port 80 and the freezing cooling chamber 71 are connected.

  Specifically, the second blow-out duct 75 and the suction duct 76 are vertically arranged inside the cover body 78 that covers the front surface of the refrigeration cooler 64 provided on the back surface of the freezer compartment 50 via the heat insulating partition 81. In this example, the 2nd blowing duct 75 is provided above the suction duct 76, and the 2nd blower outlet 79 and the freezing side suction inlet 80 are provided up and down.

  The second air outlet duct 75 extends to a position where the second air outlet 79 provided at the tip thereof faces the rear opening 53 b provided in the upper container 54. The second blowout duct 75 has a blowout guide portion 82 provided in parallel to the bottom 54 a of the upper container 54 at the front end portion on the second blowout outlet 79 side, and the rear opening of the lower container 53. The blowing guide portion 82 enters the inside of the lower container 53 from the portion 53b.

  The refrigeration side suction port 80 provided at the tip of the suction duct 76 is positioned below the second outlet 79 because the suction duct 76 is provided below the second outlet duct 75. The freezing side suction port 80 is wider than the second air outlet 79 provided above, and the air outlet 72 of the ice making chamber 42, the air outlet 73 of the small freezer compartment 46, and the first air outlet of the freezer chamber 50. 77 and the opening area of the 2nd blower outlet 79 are provided substantially equal to the area.

  A suction guide portion 83 that extends downward at a position rearward of the air outlet duct 82 provided at the front end portion of the second air outlet duct 75 is provided at the front end portion of the air inlet duct 76 on the freezing side air inlet 80 side. A temperature sensor 84 that detects the temperature in the freezer compartment 50 is disposed on the front surface of the suction guide portion 83.

  The air cooled by the refrigeration cooler 64 is blown out from the outlets 72 and 73 into the ice making chamber 42 and the small freezing chamber 46 by the rotation of the refrigeration blower fan 65 in the refrigeration cooling chamber 71. It blows out into the freezer compartment 50 from the 1st blower outlet 77 and the 2nd blower outlet 79 through the 1 blowout duct 74 and the 2nd blowout duct 75.

  Specifically, the air blown out from the air outlets 72 and 73 into the ice making chamber 42 and the small freezing chamber 46 flows while cooling the inside of the ice making chamber 42 and the small freezing chamber 46, and is formed in the freezing partition wall 49. It flows into the freezer compartment 50 through an inlet (not shown). The air that has flowed into the freezing chamber 50 returns to the freezing cooling chamber 71 from the freezing side suction port 80 through a return channel 85 formed between the storage container 52 and the freezing chamber 50.

  The air blown out from the first outlet 77 to the freezer compartment 50 through the first outlet duct 74 flows into the upper container 54 from above the rear and cools while flowing forward in the upper container 54. In addition, the air blown out from the second outlet 79 to the freezer compartment 50 through the second outlet duct 75 has the lower container 53 because the second outlet 79 faces the rear opening 53 b of the lower container 53. Without falling on the rear wall 53a, the air smoothly flows into the lower container 53 and cools while flowing forward in the lower container 53.

  The air that flows in the upper container 54 flows into the return channel 85 from above the front part, and the air that flows in the lower container 53 flows into the return channel 85 from the vent 53d. Then, the air that has cooled the inside of the blowout upper container 54 and the lower container 53 from the first blowout port 77 and the second blowout port 79 is blown from the blowout ports 72 and 73 through the blowout ice making chamber 42 and the small freezer compartment 46 in the return channel 85. It merges with the cooled air, and returns to the freezing cooling chamber 71 from the freezing side suction port 80 through the return channel 85.

  As described above, in the refrigerator 10 of the present embodiment, since the second air outlet 79 faces the rear opening 53b provided in the rear wall 53a of the lower container 53, the second air outlet 79 leads to the freezer compartment 50. The blown-out air smoothly flows into the lower container 53 without hitting the rear wall 53a of the lower container 53, and it is difficult for a short circuit to be sucked into the freezing side suction port 80 without cooling the inside of the freezing chamber 50.

  And since the front-end | tip part of the 2nd blowing duct 75 has approached the inside of the lower container 53 from the back opening part 53b of the lower container 53, the air blown out from the 2nd blower outlet 79 is reliably introduce | transduced into the lower container 53. It is possible to make a short circuit more difficult.

  Further, in the present embodiment, since the blowout guide portion 82 parallel to the bottom portion 54a of the upper container 54 is extended to the front end portion of the second blowout duct 75 on the second blowout outlet 79 side, By increasing the flow rate of the air blown out from the second air outlet 79, the air blown into the lower container 53 from the second air outlet 79 flows along the bottom 54 a of the upper container 54. The upper container 54 can be indirectly cooled through the bottom 54a.

  Furthermore, in the present embodiment, the vent 53d is provided in the left and right side walls 53c of the lower container 53, and the air that has flowed through the lower container 53 is supplied from the vent 53d through the return flow path 85 through the second air flow. It flows into the freezing side suction port 80 provided below the outlet 79 and returns to the freezing cooling chamber 71. Therefore, the air blown out from the second air outlet 79 can cool the inside of the lower container 53 provided in the freezer compartment 50 without any stagnation and improve the cooling efficiency.

  The above-described embodiments are presented as examples, and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments are included in the scope and gist of the invention, and are also included in the invention described in the scope of claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 10 ... Refrigerator 16 ... Cabinet 20 ... Refrigerated space 22 ... Refrigerated room 24 ... Vegetable room 40 ... Freezer space 42 ... Ice making room 46 ... Small freezer room 49 ... Partition wall 50 ... Freezer room 51 ... Freezer room door 52 ... Storage container 53 ... Lower container 53a ... rear wall 53b ... rear opening 53c ... right and left side wall 53d ... vent 54 ... upper container 54a ... bottom 71 ... freezing cooling chamber 74 ... first blowout duct 75 ... second blowout duct 76 ... suction duct 77 ... 1st blower outlet 78 ... Cover body 79 ... 2nd blower outlet 80 ... Refrigeration side suction inlet 81 ... Heat insulation partition 82 ... Blowout guide part 83 ... Suction guide part 85 ... Flow path

Claims (4)

A storage chamber, a storage container disposed in the storage chamber, a cooler for cooling air, a cooler chamber in which the cooler is disposed, and air cooled by the cooler is in the cooler chamber An air outlet that is blown out from the storage chamber to the storage chamber, and a suction port through which air in the storage chamber returns to the cooler chamber,
The storage container includes a lower container and an upper container provided above the lower container, and the air outlet and the suction port are provided above and below,
The refrigerator, wherein the air outlet is opposed to a rear opening provided on a rear surface of the lower container.   2. The refrigerator according to claim 1, wherein a blower outlet side front end portion of a blowout duct connecting the blower outlet and the cooler chamber enters the inside of the lower container from the rear opening. The blowout duct connecting the blowout port and the cooler chamber includes a blowout guide portion extending forward at the blowout port side tip.
The refrigerator according to claim 1 or 2, wherein an upper portion of the rear opening is partitioned by a bottom portion of the upper container, and the blowing guide portion is provided in parallel to the bottom portion of the upper container. The inlet is provided below the outlet;
The suction duct that connects the suction port and the cooler chamber includes a suction guide portion that extends downward at the suction port side tip.
The refrigerator according to any one of claims 1 to 3, wherein the lower container includes a vent provided in at least one of a side surface, a front surface, and a bottom surface.

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