JP2022173535A - refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator which can improve heat exchange efficiency.

SOLUTION: A refrigerator in an embodiment includes a housing, a cooler, a centrifugal blower and a cold air guiding member. The box body has a storage chamber. The cooler is arranged in the box body. The centrifugal blower is provided in the housing and discharges sucked air in a centrifugal direction. The cold air guide member is provided in the housing and guides air discharged from the centrifugal blower in the centrifugal direction toward a downstream side in a flowiing direction of air in the housing. The cold air guiding member has a plurality of cold air blowout ports on the downstream side of the cooler. For the plurality of cold air blowout ports, a total sum of opening areas which are open into the storage chamber in a one-side region with respect to a center of the storage chamber in a lateral width direction of the refrigerator differs from a total sum of opening areas which are open into the storage chamber in an other-side region with respect to the center of the storage chamber in the lateral width direction.

SELECTED DRAWING: Figure 5

COPYRIGHT: (C)2023,JPO&INPIT

Description

Embodiments of the present invention relate to refrigerators.

Refrigerators are known that include a cooler provided within a housing and a fan for circulating air within the housing. Such refrigerators are expected to have improved heat exchange efficiency.

Japanese Unexamined Patent Application Publication No. 2006-23035

A problem to be solved by the present invention is to provide a refrigerator capable of improving heat exchange efficiency.

A refrigerator according to an embodiment has a housing, a cooler, a centrifugal fan, and a cool air guide member. The housing has a reservoir. The cooler is provided within the housing. The centrifugal blower is provided in the housing and blows out the sucked air in a centrifugal direction. The cool air guide member is provided in the housing and guides the air discharged in the centrifugal direction from the centrifugal blower toward the downstream side in the air flow direction in the housing. The cool air guide member has a plurality of cool air outlets that open into the storage chamber on the downstream side of the cooler. With respect to the plurality of cold air outlets, the sum of the opening areas opened to the storage compartment in one region with respect to the center of the storage compartment in the width direction of the refrigerator, and the other side with respect to the center of the storage compartment in the width direction The area differs from the sum of the opening areas opening into the storage chamber.

Sectional drawing which shows the refrigerator of 1st Embodiment. Sectional drawing which expands and shows the area|region enclosed by F2 line of the refrigerator shown in FIG. Sectional drawing which shows the case where the inside of the refrigerator of 1st Embodiment is seen from the front side. Sectional drawing which shows the case where the inside of the refrigerator of the modification of 1st Embodiment is seen from a front side. Sectional drawing which shows the case where the inside of the refrigerator of 2nd Embodiment is seen from the front side. Sectional drawing which shows the case where the inside of the refrigerator of 3rd Embodiment is seen from the front side. Sectional drawing which shows the case where the inside of the refrigerator of 4th Embodiment is seen from the front side. Sectional drawing which shows the case where the inside of the refrigerator of 5th Embodiment is seen from the front side.

Hereinafter, refrigerators according to embodiments will be described with reference to the drawings. In the following description, the same reference numerals are given to components having the same or similar functions. Duplicate descriptions of these configurations may be omitted. In this specification, left and right are defined with reference to the direction of viewing the refrigerator from a user standing in front of the refrigerator. In addition, the side closer to the user standing in front of the refrigerator as viewed from the refrigerator is defined as "front", and the side farther from the refrigerator is defined as "back". As used herein, the term "horizontal direction" means the left-right direction as defined above. As used herein, the term "depth direction" means the front-back direction in the above definition.

(First embodiment)
A first embodiment will be described with reference to FIGS. 1 to 3. FIG. FIG. 1 is a sectional view showing the refrigerator 1 of the first embodiment. The refrigerator 1 has, for example, a housing 10, multiple doors 20, multiple shelves 30, multiple containers 40, a compressor 50, a first cooling mechanism 60, and a second cooling mechanism .

The housing 10 has, for example, an outer box, an inner box, and a heat insulating material filled between the outer box and the inner box, and has heat insulating properties. The housing 10 has a ceiling wall 11, a bottom wall 12, a rear wall 13, a left side wall 14 (see FIG. 3), and a right side wall 15 (see FIG. 3). The rear wall 13, the left side wall 14 and the right side wall 15 extend vertically. The rear wall 13 connects the rear end of the ceiling wall 11 and the rear end of the bottom wall 12 . The left side wall 14 and the right side wall 15 connect the left end or right end of the ceiling wall 11 and the left end or right end of the bottom wall 12, respectively.

A plurality of storage chambers 80 are provided inside the housing 10 . The plurality of storage compartments 80 includes, for example, a refrigerator compartment 81, a vegetable compartment 82, an ice making compartment (not shown), a small freezer compartment 83, and a main freezer compartment 84. In this embodiment, a refrigerator compartment 81 is arranged at the top, a vegetable compartment 82 is arranged below the refrigerator compartment 81, an ice making compartment and a small freezer compartment 83 are arranged below the vegetable compartment 82, and an ice making compartment and a small freezer compartment are arranged. A main freezer compartment 84 is arranged below the compartment 83 . However, the arrangement of the storage compartment 80 is not limited to the above example, and for example, the arrangement of the vegetable compartment 82 and the main freezer compartment 84 may be reversed. The housing 10 has an opening on the front side of each storage chamber 80 that allows foodstuffs to be taken in and out of each storage chamber 80 . The opening of the storage room 80 is closed by the door 20 so that it can be opened and closed.

The housing 10 has first and second partition walls 91 and 92 . The first and second partition walls 91 and 92 are heat-insulating partition walls provided along a substantially horizontal direction. The first partition wall 91 is provided between the refrigerator compartment 81 and the vegetable compartment 82 to partition the refrigerator compartment 81 and the vegetable compartment 82 . The second partition wall 92 is provided between the vegetable compartment 82 and the ice making compartment and small freezer compartment 83 to separate the vegetable compartment 82 from the ice making compartment and small freezer compartment 83 .

A plurality of shelves 30 are provided in the refrigerator compartment 81 .
The plurality of containers 40 includes a refrigerator compartment container 41 provided in the refrigerator compartment 81, first and second vegetable compartment containers 42 and 43 provided in the vegetable compartment 82, and an ice making compartment container (not shown) provided in the ice making compartment. ), a small freezer compartment container 44 provided in the small freezer compartment 83 , and first and second main freezer compartment containers 45 and 46 provided in the main freezer compartment 84 .

Here, the first and second vegetable compartment containers 42, 43 will be described in detail.
The first vegetable compartment container 42 is a relatively large container, and includes a bottom wall 42a positioned below the vegetable compartment 82 and a rear wall (upright wall) 42b standing from the rear end of the bottom wall 42a. The rear wall 42 b has a size that covers both ends of the vegetable compartment 82 in the width direction of the refrigerator 1 . The rear wall 42b faces a suction port 112 of a centrifugal fan 63, which will be described later.

The second vegetable compartment container 43 is a smaller container than the first vegetable compartment container 42 and is arranged above the first vegetable compartment container 42 . The second vegetable compartment container 43 is supported by the upper end portions of the left and right side walls of the first vegetable compartment container 42, or supported by support portions provided on the inner surfaces of the left and right side walls 14 and 15 of the housing 10. It is movable independently of the chamber container 42 . The second vegetable compartment container 43 has a bottom wall 43a and a rear wall (upright wall) 43b that rises from the rear end of the bottom wall 43a. The rear wall 43b of the second vegetable compartment container 43 is positioned slightly forward of the rear wall 42b of the first vegetable compartment container 42 and extends above the rear wall 42b of the first vegetable compartment container 42. . The rear wall 43 b has a size that covers both ends of the vegetable compartment 82 in the width direction of the refrigerator 1 . In this embodiment, the rear wall 42b of the first vegetable compartment container 42 and the rear wall 43b of the second vegetable compartment container 43 form a wall portion W that regulates the flow of air toward the centrifugal fan 63. As shown in FIG.

Compressor 50 is provided, for example, in a machine room at the bottom of refrigerator 1 . Compressor 50 constitutes a part of the refrigeration cycle of refrigerator 1 and compresses the refrigerant gas used for cooling storage compartment 80 . Refrigerant gas compressed by the compressor 50 is supplied to coolers 61 and 71 of first and second cooling mechanisms 60 and 70 to be described later via a condenser (not shown).

The first cooling mechanism 60 is a cooling mechanism that cools the refrigerator compartment 81 and the vegetable compartment 82 . The first cooling mechanism 60 has, for example, a cooler (cooler for refrigeration) 61 , a liquid receiver 62 , a centrifugal fan 63 and a cover member 64 . Details of the cooler 61, the liquid receiver 62, the centrifugal fan 63, and the cover member 64 will be described later.

The second cooling mechanism 70 is a cooling mechanism that cools the ice making compartment, the small freezer compartment 83 and the main freezer compartment 84 . The second cooling mechanism 70 includes, for example, a cooler (cooler for freezing) 71 , a liquid receiver 72 , a centrifugal fan 73 and a cover member 74 . The configurations of the cooler 71, the liquid receiver 72, the centrifugal fan 73, and the cover member 74 of the second cooling mechanism 70 are the same as those of the cooler 61, the liquid receiver 62, the centrifugal fan 63, and the cover member 74 of the first cooling mechanism 60. The configuration is similar to that of the member 64 . Therefore, the configuration of the first cooling mechanism 60 will be described in detail below as a representative of these. Also, hereinafter, "refrigerating compartment 81", "vegetable compartment 82", "first vegetable compartment container 42" and "second vegetable compartment container 43" will be referred to as "first storage compartment 81" and "second storage compartment", respectively. 82", "first storage container 42", and "second storage container 43".

FIG. 2 is a cross-sectional view showing an enlarged area surrounded by line F2 of refrigerator 1 shown in FIG. The cooler 61 is provided inside the housing 10 . The cooler 61 is arranged along the inner surface 13a of the rear wall 13 of the housing 10, for example. An inner surface 13 a of the rear wall 13 is a surface extending substantially vertically and in the width direction of the refrigerator 1 . The cooler 61 is, for example, a tube-type cooler with fins, but is not limited to this. Cooler 61 cools air passing around cooler 61 .

The liquid receiver 62 is arranged below the cooler 61 . The liquid receiver 62 receives defrosted water dripping from the cooler 61 when the refrigerator 1 is defrosted, for example. The liquid receiving part 62 may be a storage container that stores the received liquid, or may be a drain gutter that drains the received liquid toward another place such as a defrosting water evaporating dish.

The liquid receiver 62 has, for example, a horizontal plate portion 62a and an inclined plate portion 62b. In this embodiment, the horizontal plate portion 62a is fixed to the rear wall 13 of the housing 10 and protrudes substantially horizontally forward from the rear wall 13 of the housing 10 . The inclined plate portion 62b extends obliquely upward from the front end portion of the horizontal plate portion 62a. That is, the inclined plate portion 62b is inclined with respect to the depth direction of the refrigerator 1, and its height gradually increases as it advances forward.

The centrifugal fan 63 is provided inside the housing 10 . The centrifugal fan 63 is arranged below the cooler 61 and the liquid receiver 62, and positioned behind the second storage chamber 82, for example. The centrifugal fan 63 sucks air from the second storage chamber 82 and discharges the sucked air in the centrifugal direction of the centrifugal fan 63 . In this embodiment, the centrifugal direction of the centrifugal fan 63 is substantially parallel to the inner surface 13 a of the rear wall 13 of the housing 10 . The centrifugal fan 63 is, for example, a centrifugal turbo fan, but may be a sirocco fan or the like.

To elaborate on one example, centrifugal fan 63 has, for example, base 110 , motor 120 and impeller 130 . The base 110 has an annular frame portion 111 and a suction port 112 opening on the inner peripheral side of the frame portion 111 . In this embodiment, the suction port 112 is arranged toward the second storage chamber 82 and exposed to the second storage chamber 82 . Thereby, the centrifugal fan 63 sucks air directly from the second storage chamber 82 . For example, the suction port 112 is arranged at a position lower than the upper end of the rear wall 42b of the first storage container 42 . Therefore, the centrifugal fan 63 sucks air from the space between the rear wall 42b of the first storage container 42 and the cover member 64, which will be described later. A safety cover 113 that covers the suction port 112 may be attached to the centrifugal fan 63 . The safety cover 113 is, for example, a mesh-like cover with holes that the user's fingertips cannot enter.

The motor 120 is supported on the base 110 by a support structure (not shown). Impeller 130 has a plurality of blades 131 and is rotationally driven by motor 120 . In this embodiment, the entire centrifugal direction (all directions) of the impeller 130 is open to the outside of the centrifugal fan 63 . As a result, the impeller 130 discharges air as a swirling flow all around the centrifugal fan 63 (all directions). In other words, the centrifugal fan 63 discharges air not only in the direction from the centrifugal fan 63 to the cooler 61 (upward), but also downward, leftward, and rightward of the centrifugal fan 63 .

In this embodiment, the center of the centrifugal fan 63 in the depth direction of the refrigerator 1 is positioned forward of the center of the cooler 61 in the depth direction of the refrigerator 1 . At least part of the centrifugal fan 63 is positioned directly below the inclined plate portion 62 b of the liquid receiver 62 . The centrifugal fan 63 discharges at least part of the sucked air toward the inclined plate portion 62 b of the liquid receiving portion 62 . As a result, at least part of the air discharged from the centrifugal fan 63 collides with the liquid receiving portion 62, but can flow smoothly because the inclined plate portion 62b of the liquid receiving portion 62 is inclined.

A gap S is provided between the centrifugal fan 63 and the rear wall 13 of the housing 10 . In this embodiment, the impeller 130 includes a plurality of blades 131 and a plate portion 132 that rotates together. The plate portion 132 is located on the side opposite to the base 110 with respect to the plurality of wings 131 and faces the inner surface 13a of the rear wall 13 of the housing 10 . A gap S is provided between the plate portion 132 of the centrifugal fan 63 and the inner surface 13 a of the rear wall 13 of the housing 10 .

Next, the cover member 64 will be explained. The cover member 64 is provided inside the housing 10 and attached to the rear wall 13 of the housing 10, for example. For example, the cover member 64 is exposed to the first and second storage chambers 81,82. Between the cover member 64 and the inner surface 13 a of the rear wall 13 of the housing 10 , the cover member 64 forms a cool air duct that guides the air discharged from the centrifugal fan 63 .

In this embodiment, the cover member 64 extends from a region below the centrifugal fan 63 to near the top of the housing 10 . The cover member 64 includes a flat wall portion (front wall portion) 210 and side wall portions 220 (see FIG. 3). The flat wall portion 210 is arranged substantially parallel to the inner surface 13a of the rear wall 13 of the housing 10 and has a space therebetween. The flat wall portion 210 covers the peripheral area of the centrifugal fan 63 and the cooler 61 from the opposite side of the rear wall 13 of the housing 10 . The side wall portion 220 is provided along a direction intersecting the inner surface 13 a of the rear wall 13 of the housing 10 , and connects the left and right ends of the flat wall portion 210 and the rear wall 13 of the housing 10 . there is Thereby, the cover member 64 guides the air discharged from the centrifugal fan 63 toward the cooler 61 .

In this embodiment, the base 110 of the centrifugal fan 63 is fixed to the cover member 64 by a fixture (not shown). The centrifugal fan 63 is thereby supported by the cover member 64 . For example, the flat wall portion 210 of the cover member 64 has an opening 210a into which the centrifugal fan 63 is fitted. By fitting the centrifugal fan 63 into the opening 210a of the cover member 64, the front surface of the centrifugal fan 63 and the front surface of the cover member 64 are positioned substantially on the same plane.

A side wall portion 220 of the cover member 64 includes a wall portion 221 surrounding the lower, left, and right sides of the centrifugal fan 63 (see FIG. 3). The cover member 64 not only discharges the air discharged toward the cooler 61 from the centrifugal fan 63 (that is, the air discharged upward), but also discharges downward, leftward, and rightward directions of the centrifugal fan 63. Air is also directed towards cooler 61 . For example, the wall portion 221 is an arc-shaped curved surface portion along the outer circumference of the centrifugal fan 63 . The wall portion 221 redirects at least part of the air discharged from the centrifugal fan 63 toward the cooler 61 . Note that the wall portion 221 has one or more inclined portions, instead of the curved surface portion, for changing the direction of the air discharged downward, leftward, or rightward from the centrifugal fan 63 toward the cooler 61 . You may As used herein, the term "inclined portion" means a portion that is inclined with respect to the horizontal direction.

The cover member 64 has a bulging portion 230 at a height position between the cooler 61 and the centrifugal fan 63 . The bulging portion 230 is provided at a height aligned with the liquid receiving portion 62 and bulges in a direction away from the liquid receiving portion 62 . Thereby, a certain distance or more is ensured between the flat wall portion 210 of the cover member 64 and the liquid receiving portion 62 .

In this embodiment, the cover member 64 extends further upward than the cooler 61 . The cover member 64 has a plurality of cool air outlets 240 above the cooler 61 (see FIG. 1). A plurality of cool air outlets 240 are arranged at a plurality of heights in, for example, the first storage chamber 81 . The air cooled by passing through the cooler 61 is supplied into the first storage chamber 81 from the plurality of cold air outlets 240 as cool air.

FIG. 3 is a cross-sectional view showing the refrigerator 1 of this embodiment viewed from the front side. In this embodiment, the first partition wall 91 has one or more first vents 301 and one or more second vents 302 . The first vent 301 is arranged on the left side of the center of the first partition wall 91 in the width direction of the refrigerator 1 . The second vent 302 is arranged on the right side of the center of the first partition wall 91 in the width direction of the refrigerator 1 . The first vent 301 and the second vent 302 allow the first storage chamber 81 and the second storage chamber 82 to communicate with each other.

Next, the flow of air inside the refrigerator 1 of this embodiment will be described.
When the centrifugal fan 63 is driven, the centrifugal fan 63 sucks air through the suction port 112 exposed to the second storage chamber 82 . That is, the centrifugal fan 63 sucks air from the second storage chamber 82 . The air sucked by the centrifugal fan 63 is expelled all around the centrifugal fan 63 including above, below, left and right of the centrifugal fan 63 (in a plurality of directions). At this time, since the cover member 64 has the curved wall portion 221, the direction of the air changes smoothly. As a result, the air discharged in the downward, leftward, and rightward directions of the centrifugal fan 63 is guided by the cover member 64 to change direction, and the gap between the centrifugal fan 63 and the side wall portion 220 of the cover member 64, It goes upward through the gap S between the centrifugal fan 63 and the rear wall 13 of the housing 10 .

At least part of the air that is guided by the cover member 64 and advances upward of the centrifugal fan 63 collides with the liquid receiving portion 62 . 62 b smoothly changes direction and proceeds through the bulge 230 of the cover member 64 towards the cooler 61 .

From another point of view, at least part of the air guided by the cover member 64 collides with the liquid receiving portion 62, disturbing the flow. As a result, the air guided by the cover member 64 is more easily dispersed in the width direction of the cooler 61 than when the liquid receiver 62 is not present. This makes it easier for the air to be uniformly supplied to many parts of the cooler 61 in the width direction.

The air reaching the cooler 61 is cooled by passing through the cooler 61 . The air cooled by the cooler 61 is supplied to the first storage chamber 81 from the plurality of cold air outlets 240 of the cover member 64 . At least part of the air supplied from the cool air outlet 240 to the first storage chamber 81 passes through the first and second air vents 301 and 302 of the first partition wall 91 and is discharged from the first storage chamber 81 to the first storage chamber 81 . 2 flows into storage chamber 82; The air that has flowed into the second storage chamber 82 passes above the first and second storage containers 42 and 43 and on the left and right sides of the first storage container 42 , and flows between the first storage container 42 and the cover member 64 . enter the space between The air entering the space between the first storage container 42 and the cover member 64 is sucked again by the centrifugal fan 63 arranged behind the first storage container 42 .

According to such a configuration, it is possible to improve the heat exchange efficiency of the refrigerator 1 . Here, as a comparative example, consider a case where a propeller fan is provided as an air circulation fan in a refrigerator. It is difficult for propeller fans to blow sufficient air when the airflow resistance is high. For this reason, when the duct is downsized to increase the internal volume of the storage chamber, the heat exchange efficiency may decrease. Therefore, it is conceivable to provide a centrifugal fan instead of the propeller fan. By providing the centrifugal fan, it is possible to blow sufficient air even when the duct is miniaturized and the air resistance is high. However, it may be difficult to guide the air discharged from the centrifugal fan toward the cooler 61 simply by providing the centrifugal fan.

Therefore, in the present embodiment, the refrigerator 1 covers the cooler 61 and discharges air from the centrifugal fan 63 in a plurality of directions in the centrifugal direction of the centrifugal fan 63 (for example, in addition to the upward direction, the downward direction and the horizontal direction). It has a cover member 64 that guides the air toward the cooling fan 63 . According to such a configuration, more air discharged from the centrifugal fan 63 can be smoothly guided toward the cooler 61, and the heat exchange efficiency of the refrigerator 1 can be improved.

In this embodiment, the liquid receiving portion 62 has an inclined plate portion 62b that is inclined with respect to the depth direction of the refrigerator 1 . The centrifugal fan 63 is arranged below the inclined plate portion 62b and discharges at least part of the sucked air toward the inclined plate portion 62b. According to such a configuration, even when the liquid receiver 62 is provided below the cooler 61, the air discharged from the centrifugal fan 63 can easily flow smoothly. Thereby, the further improvement of the heat exchange efficiency of the refrigerator 1 can be aimed at.

In this embodiment, in front of the inlet 112 of the centrifugal fan 63 there is a wall W formed by one or more storage vessels 42,43. The wall portion W prevents the suction port 112 of the centrifugal fan 63 from intensively taking in air only from a partial area of the second storage chamber 82 (for example, the front surface of the suction port 112). It also helps draw air from many parts (eg, the left and right spaces of the first reservoir 42). For example, the presence of the wall W allows the centrifugal fan 63 to efficiently take in air from the left and right ends of the second storage chamber 82 as well. According to such a configuration, air can be taken in from many parts of the second storage chamber 82, and the circulation of the air inside the refrigerator 1 can be enhanced.

(Modification)
Next, a modification of the first embodiment will be described. Configurations other than those described below are the same as those of the first embodiment.

FIG. 4 is a cross-sectional view showing the inside of the refrigerator 1 of the modified example of the first embodiment viewed from the front side. In this modified example, the cooler 61 is arranged closer to the centrifugal fan 63 than in the first embodiment. For example, the distance B between the lower end of the cooler 61 and the center of the centrifugal fan 63 is smaller than the horizontal width A of the cooler 61 .

With such a configuration, the air discharged from the centrifugal fan 63 can be guided to the cooler 61 more efficiently. Thereby, the further improvement of the heat exchange efficiency of the refrigerator 1 can be aimed at.

(Second embodiment)
Next, a second embodiment will be described. The second embodiment differs from the first embodiment in that the cool air outlet 240 and the vents 301 and 302 are provided asymmetrically. Configurations other than those described below are the same as those of the first embodiment.

FIG. 5 is a cross-sectional view showing the inside of the refrigerator 1 of the second embodiment as seen from the front side. In this embodiment, the centrifugal fan 63 rotates clockwise when viewed from the front side of the refrigerator 1 . In this case, more air is sent from the centrifugal fan 63 to the area located above the left half of the centrifugal fan 63 than to the area located above the right half of the centrifugal fan 63 .

In this embodiment, each cool air outlet 240 includes one or more first outlets 241 and one or more second outlets 242 . The first outlet 241 and the second outlet 242 are positioned at approximately the same height. The first outlet 241 is arranged on the left side of the center of the cover member 64 (the center of the storage compartments 81 and 82) in the lateral width direction of the refrigerator 1 . The second outlet 242 is arranged on the right side of the center of the cover member 64 (the center of the storage compartments 81 and 82) in the lateral width direction of the refrigerator 1 . The opening area of the first outlet 241 is smaller than the opening area of the second outlet 242 . In addition, in this specification, "the opening area of the first blower outlet 241" means the sum of the opening areas of the plurality of first blower outlets 241 when a plurality of the first blower outlets 241 are provided. This definition also applies to the second outlet 242 .

The first partition wall 91 has one or more first vents 301 and one or more second vents 302 as in the first embodiment. In this embodiment, the opening area of the first vent 301 is smaller than the opening area of the second vent 302 . In this specification, "the opening area of the first vents 301" means the sum of the opening areas of the first vents 301 when a plurality of the first vents 301 are provided. This definition is the same for the second vent 302 as well.

According to such a configuration, it is possible to further improve the heat exchange efficiency. That is, more air may be sent from the centrifugal fan 63 to the area located above the left half of the centrifugal fan 63 than to the area located above the right half of the centrifugal fan 63 . In such a case, in the storage chambers 81 and 82, the air flow differs between the left half area and the right half area, and there is a possibility that the temperature distribution in the storage chambers 81 and 82 becomes uneven.

Therefore, in this embodiment, the opening area of the first outlet 241 is set smaller than the opening area of the second outlet 242 . According to such a configuration, the difference between the amount of air supplied from the first blowout port 241 to the first storage chamber 81 and the amount of air supplied from the second blowout port 242 to the first storage chamber 81 is can be reduced. As a result, it is possible to reduce the difference in air flow between the left half region and the right half region of the storage chambers 81 and 82, and suppress the occurrence of uneven temperature distribution in the storage chambers 81 and 82. can.

Further, in this embodiment, the opening area of the first vent 301 is set smaller than the opening area of the second vent 302 . With such a configuration, the difference between the amount of air passing through the first vent 301 and the amount of air passing through the second vent 302 can be reduced. Thereby, the difference in air flow between the left half area and the right half area of the storage chambers 81 and 82 can be further reduced. As a result, it is possible to further suppress uneven temperature distribution in the storage chambers 81 and 82 .

In this embodiment, an example in which the opening areas of the first outlet 241 and the second outlet 242 are different and the opening areas of the first vent 301 and the second vent 302 are different has been described. However, the opening areas of the first outlet 241 and the second outlet 242 may be different, and the opening areas of the first vent 301 and the second vent 302 may be substantially the same. Conversely, the opening areas of the first outlet 241 and the second outlet 242 may be substantially the same, and the opening areas of the first vent 301 and the second vent 302 may differ.

(Third embodiment)
Next, a third embodiment will be described. The third embodiment differs from the first embodiment in that the centrifugal fan 63 is arranged on the side of the cooler 61 . Configurations other than those described below are the same as those of the first embodiment.

FIG. 6 is a cross-sectional view showing the interior of the refrigerator 1 of the third embodiment as seen from the front side. The space within the housing 10 includes, for example, a first region R1 and a second region R2. The first region R1 is a region that does not overlap with the cooler 61 in the vertical direction, and is a region shifted in the width direction of the refrigerator 1 with respect to the cooler 61 . The second region R2 is a region overlapping the cooler 61 in the vertical direction. In this embodiment, the second region R2 is a region located below the cooler 61 .

The centrifugal fan 63 is arranged in the first region R1. For example, at least part of the centrifugal fan 63 is aligned with the cooler 61 in the width direction of the refrigerator 1 . In this embodiment, the centrifugal fan 63 is arranged to the right of the cooler 61 and rotates clockwise when viewed from the front side of the refrigerator 1 .

The cover member 64 guides the air discharged from the centrifugal fan 63 to the first region R1 toward the cooler 61 while changing the flow direction of the air. Specifically, the cover member 64 includes, for example, a body portion 400, a first guide portion 410, and a second guide portion 420. As shown in FIG.

Body portion 400 includes a portion that covers cooler 61 . The body portion 400, for example, extends linearly in a substantially vertical direction.

The first guide portion 410 is arranged in the first region R<b>1 and covers the circumference of the centrifugal fan 63 . The first guide portion 410 guides the air discharged from the centrifugal fan 63 to the first region R1 to the second region R2 located below the cooler 61 . The first guide portion 410 is an example of a "first portion".

The first guide portion 410 includes a first curved portion (or first inclined portion) 411 that redirects at least part of the air discharged from the centrifugal fan 63 toward the second region R2. For example, the first guide portion 410 is formed in a curved surface along the flow direction of the swirling flow discharged from the centrifugal fan 63 . The first guide portion 410 guides the swirl flow discharged from the centrifugal fan 63 to the surroundings of the centrifugal fan 63 from the first guide portion 410 to the second guide portion 420 along the swirling direction of the swirl flow. For example, the first guide portion 410 is spirally formed around the centrifugal fan 63 . The flow passage cross-sectional area of the first guide portion 410 increases toward the downstream side in the rotational direction of the centrifugal fan 63 . A "flow passage cross-sectional area" means a cross-sectional area in a cross section perpendicular to the main flow direction of air.

The second guide portion 420 is arranged in the second region R2. In this embodiment, the second guide portion 420 is positioned to the left of the first guide portion 410 and below the main body portion 400 . The second guide portion 420 connects the first guide portion 410 and the body portion 400 . The second guide portion 420 guides the air guided from the first region R1 to the second region R2 by the first guide portion 410 toward the cooler 61 from the second region R2. The second guide part 420 is an example of a "second part".

For example, the width of the second guide portion 420 in the width direction of the refrigerator 1 is larger than the width of the cooler 61 in the same direction. The maximum channel cross-sectional area (or average flow cross-sectional area) of the second guide portion 420 is larger than the maximum channel cross-sectional area (or average flow cross-sectional area) of the first guide portion 410 . The air flowing from the first guide portion 410 to the second guide portion 420 has a reduced flow velocity and can gently change its flow direction.

In the present embodiment, the second guide portion 420 includes a second curved portion (or a second inclined portion) that redirects at least part of the air guided from the first region R1 to the second region R2 toward the cooler 61. ) 421. For example, at least part of the second curved surface portion 421 overlaps the cooler 61 in the vertical direction. In addition, the second curved surface portion 421 is located on the opposite side of the inner space of the second guide portion 420 to the first guide portion 410 . The second curved surface portion 421 changes the direction of at least part of the air flowing along the substantially horizontal direction upward.

In this embodiment, a liquid receiving portion 62 is provided inside the second guide portion 420 . The liquid receiver 62 is arranged below the cooler 61 . For example, the liquid receiving portion 62 is arranged at the lower end portion of the second guide portion 420 . In this embodiment, the second region R2 includes a region R2a located between the cooler 61 and the liquid receiver 62. As shown in FIG. At least a portion of the first curved surface portion 411 of the first guide portion 410 is positioned laterally of the region R2a. The first guide portion 410 guides at least part of the air discharged from the centrifugal fan 63 toward the region R2a. As a result, at least part of the air flowing through the second guide portion 420 is smoothly guided below the cooler 61 .

From another point of view, part of the air guided from the first guide portion 410 to the second guide portion 420 collides with the liquid receiving portion 62 and the flow is disturbed. As a result, the air guided from the first guide portion 410 to the second guide portion 420 is more easily dispersed in the width direction of the cooler 61 than when the liquid receiving portion 62 does not exist. This makes it easier for the air to be uniformly supplied to many parts of the cooler 61 in the width direction.

In this embodiment, the left end (first end) 62c of the liquid receiver 62 is shallower than the right end (second end) 62d of the liquid receiver 62 . For example, the bottom of the liquid receiver 62 has an inclined shape whose depth gradually decreases from the right end 62d toward the left end 62c. According to such a configuration, even when the second guide portion 420 is provided with the second curved surface portion 421 , the liquid receiving portion 62 is unlikely to interfere with the second curved surface portion 421 . This makes it easier to dispose the liquid receiving portion 62 closer to the lower end portion of the second guide portion 420 and to ensure a large region R2a between the cooler 61 and the liquid receiving portion 62 .

In this embodiment, the cooler 61 has a pipe (tube) through which refrigerant gas flows. This pipe includes a first pipe portion 61a and a second pipe portion 61b. The second pipe portion 61b is arranged above the first pipe portion 61a. The first pipe portion 61a and the second pipe portion 61b communicate with each other via another curved pipe portion or the like. A plurality of fins 61c are attached to the first pipe portion 61a at first intervals g1. A plurality of fins 61c are attached to the second pipe portion 61b at second intervals g2. The fin 61c is a plate material extending in the vertical direction. Here, the first gap g1 is larger than the second gap g2. As a result, for example, even when the air reaches the cooler 61 while advancing obliquely upward, the air is more likely to flow between the plurality of fins 61c than when the first gap g1 is as small as the second gap g2. easier to enter. In other words, by setting the first gap g1 to be larger than the second gap g2, it is possible to reduce airflow resistance to the air traveling obliquely upward.

In the present embodiment, the center of the centrifugal fan 63 in the widthwise direction is eccentric to the right with respect to the center of the storage chambers 81 and 82 in the widthwise direction. In other words, the centrifugal fan 63 is arranged closer to the second vent 302 than to the first vent 301 . In this embodiment, the opening area of the first vent 301 is larger than the opening area of the second vent 302 .

Next, the air flow inside the cover member 64 of this embodiment will be described.
In this embodiment, the air is guided from the first guide portion 410 to the second guide portion 420 along the substantially horizontal direction. Most of the air guided to the second guide portion 420 gradually changes its flow upward in the space between the cooler 61 and the liquid receiver 62 and moves toward the cooler 61 . At this time, the air in the second guide portion 420 can change its direction in a relatively wide space below the entire width of the cooler 61, so that localized flow is less likely to occur. As a result, compared to the first embodiment, it becomes easier for air to be more uniformly supplied to many parts in the width direction of the cooler 61 .

According to the configuration described above, the heat exchange efficiency of the refrigerator 1 can be further improved as compared with the first embodiment. That is, in this embodiment, the centrifugal fan 63 is arranged in the first region R1 that does not overlap the cooler 61 in the vertical direction. The cover member 64 guides the air discharged from the centrifugal fan 63 to the first region R<b>1 toward the cooler 61 . According to such a configuration, even when a large amount of air flows in a region biased in a specific direction with respect to the center of the centrifugal fan 63 as the centrifugal fan 63 rotates, the air flows from the first region R1 to the cooler 61. It becomes easier to eliminate local flow in the process of being guided towards. This makes it easier for air to be supplied to many parts of the cooler 61 in the width direction, and the heat exchange efficiency of the refrigerator 1 can be further improved.

In this embodiment, at least part of the centrifugal fan 63 is aligned with the cooler 61 in the width direction of the refrigerator 1 . According to such a configuration, the air discharged from the centrifugal fan 63 is supplied to the cooler 61 after making a relatively large turn. According to such a configuration, it becomes easier to eliminate the local flow while the air is being guided from the first region R1 toward the cooler 61 .

In this embodiment, the first guide portion 410 guides the swirl flow discharged from the centrifugal fan 63 to the circumference of the centrifugal fan 63 from the first guide portion 410 to the second guide portion along the swirling direction of the swirl flow. . According to such a configuration, a large amount of air can be smoothly guided below the cooler 61 using the flow of air discharged from the centrifugal fan 63 .

In this embodiment, the second region R2 includes a region R2a positioned between the cooler 61 and the liquid receiver 62. As shown in FIG. According to such a configuration, even when the liquid receiver 62 is provided below the cooler 61, at least part of the air discharged from the centrifugal fan 63 is transferred to the cooler 61 via the region R2a. can be smoothly guided downwards.

The rotational direction of the impeller 130 of the centrifugal fan 63 is the direction from the first region R1 toward the second region R2 in the upper or lower portion of the centrifugal fan 63, whichever is closer to the second region R2 (the lower portion in this embodiment). be. According to such a configuration, a large amount of air can be smoothly guided below the cooler 61 using the flow of air discharged from the centrifugal fan 63 .

In this embodiment, the centrifugal fan 63 is arranged closer to the second vent 302 than to the first vent 301 . Therefore, the amount of air passing through the second vent 302 tends to be greater than the amount of air passing through the first vent 301 . Therefore, in this embodiment, the opening area of the first vent 301 is set larger than the opening area of the second vent 302 . With such a configuration, it is easy to eliminate the difference between the amount of air passing through the first vent 301 and the amount of air passing through the second vent 302 . As a result, it is possible to suppress uneven temperature distribution in the second storage chamber 82 .

(Fourth embodiment)
Next, a fourth embodiment will be described. The fourth embodiment differs from the third embodiment in that the centers of the cooler 61 and the centrifugal fan 63 in the width direction are arranged eccentrically with respect to the center of the refrigerator 1 in the width direction. Configurations other than those described below are the same as those of the third embodiment.

FIG. 7 is a cross-sectional view showing the inside of the refrigerator 1 of the fourth embodiment as seen from the front side. In the present embodiment, the center of the cooler 61 in the width direction is shifted to the first side (for example, left side) with respect to the centers of the storage chambers 81 and 82 . On the other hand, the lateral center of the centrifugal fan 63 is shifted to the second side (for example, the right side) opposite to the first side with respect to the lateral centers of the storage chambers 81 and 82 .

In this embodiment, the body portion 400 of the cover member 64 has a first body portion 401 , a second body portion 402 and a connecting portion 403 .

The first body portion 401 covers the cooler 61 and is connected to the second guide portion 420 . Similarly to the cooler 61 , the center of the first main body portion 401 in the widthwise direction is shifted to the first side (for example, the left side) with respect to the center in the widthwise direction of the storage chambers 81 and 82 . The cool air outlet 240 is not provided in the first body portion 401 .

The second main body portion 402 is arranged downstream of the first main body portion 401 (above the first main body portion 401 in this embodiment) in the direction of air flow. The center in the width direction of the second body portion 402 is arranged at substantially the same position as the center in the width direction of the storage chambers 81 and 82 . A plurality of cold air outlets 240 are provided in the second body portion 402 . The center in the width direction of each cold air outlet 240 is arranged at substantially the same position as the center in the width direction of the storage chambers 81 and 82 .

A connecting portion 403 is provided between the first body portion 401 and the second body portion 402 . The connection portion 403 includes a portion obliquely extending with respect to the vertical direction, and connects the first body portion 401 and the second body portion 402 .

According to such a configuration, the center of the centrifugal fan 63 in the width direction can be brought closer to the center of the storage chambers 81 and 82 in the width direction than in the third embodiment. This makes it easier to eliminate the difference between the amount of air passing through the first vent 301 and the amount of air passing through the second vent 302 . Thereby, it is possible to further suppress the occurrence of uneven temperature distribution in the storage chambers 81 and 82 .

(Fifth embodiment)
Next, a fifth embodiment will be described. The fifth embodiment differs from the third embodiment in that a plurality of centrifugal fans 63 and 65 are provided. Configurations other than those described below are the same as those of the third embodiment.

FIG. 8 is a cross-sectional view showing the inside of the refrigerator 1 of the fifth embodiment when viewed from the front side. In this embodiment, the space inside the housing 10 of the refrigerator 1 includes the third region R3. The third region R3 is a region that does not overlap with the cooler 61 in the vertical direction, and is a region shifted in the width direction of the refrigerator 1 with respect to the cooler 61 . The third region R3 is located on the opposite side of the cooler 61 from the first region R1 (the first centrifugal fan 63) in the width direction of the refrigerator 1. As shown in FIG.

In this embodiment, refrigerator 1 has first and second centrifugal fans 63 and 65 . The first centrifugal fan 63 is arranged in the first region R1, like the centrifugal fan 63 of the third embodiment. On the other hand, the second centrifugal fan 65 is arranged in the third region R3. For example, at least part of the second centrifugal fan 65 is aligned with the cooler 61 and the first centrifugal fan 63 in the width direction of the refrigerator 1 . The direction of rotation of the impeller 130 of the second centrifugal fan 65 is, for example, the same as the direction of rotation of the impeller 130 of the first centrifugal fan 63, but may be the opposite direction.

The cover member 64 guides the air discharged from the second centrifugal fan 65 to the third region R3 toward the cooler 61 while changing the flow direction of the air. Specifically, the cover member 64 has a third guide portion 430 . The third guide portion 430 is arranged in the second region R2 and covers the circumference of the second centrifugal fan 65 . The third guide portion 430 guides the air discharged from the second centrifugal fan 65 to the third region R3 to the second region R2 located below the cooler 61 . The third guide portion 430 is an example of a "third portion".

The third guide portion 430 includes a curved portion (or inclined portion) 431 that redirects at least part of the air discharged from the second centrifugal fan 65 toward the second region R2. At least a portion of the curved surface portion 431 is positioned laterally of the region R2a positioned between the cooler 61 and the liquid receiver 62 in the second region R2. The third guide portion 430 guides at least part of the air discharged from the second centrifugal fan 65 toward this region R2a. As a result, at least part of the air flowing through the second guide portion 420 is smoothly guided below the cooler 61 .

In this embodiment, the second guide portion 420 of the cover member 64 is positioned between the first guide portion 410 and the third guide portion 430 . Air flowing in opposite directions from the first guide portion 410 and the third guide portion 430 flows into the second guide portion 420 . The second guide portion 420 guides the air guided from the first region R1 and the third region R3 to the second region R2 toward the cooler 61 . In this embodiment, the opening area of the first vent 301 is substantially the same as the opening area of the second vent 302 .

According to such a configuration, since the centrifugal fans 63 and 65 are arranged on both the left and right sides with respect to the center of the width direction of the storage chambers 81 and 82, the temperature distribution in the storage chambers 81 and 82 becomes uneven. can be further suppressed.

Although several embodiments and modifications have been described above, the embodiments are not limited to the above examples. For example, the first to fifth embodiments and modifications can be implemented in combination with each other. In the first and second embodiments, the cooler 61 and centrifugal fan 63 may be arranged upside down. In this case, the centrifugal fan 63 may blow air toward the cooler 61 located below. Further, in the third to fifth embodiments, the direction of air flow may be upside down. In this case, the air discharged from the centrifugal fan 63 may be guided toward the cooler 61 via the second region R2 located above the cooler 61 .

According to at least one embodiment described above, the refrigerator has a cover member that covers the cooler and guides air discharged from the centrifugal fan in a plurality of centrifugal directions toward the cooler. According to such a configuration, it is possible to improve the heat exchange efficiency of the refrigerator.

While several embodiments of the invention have been described, these embodiments have been presented by way of example 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 modifications can be made without departing from the scope of the invention. These embodiments and their modifications are included in the scope and spirit of the invention, as well as the scope of the invention described in the claims and equivalents thereof.

Below are some refrigerators.
[1]
a housing having a storage room;
a cooler provided in the housing;
a centrifugal fan provided in the housing for sucking air from the storage chamber and discharging the sucked air in a centrifugal direction;
a cover member provided in the housing, covering the cooler, and guiding air discharged from the centrifugal fan in a plurality of directions in the centrifugal direction toward the cooler;
refrigerator.
[2]
The centrifugal fan is arranged in a first region that does not overlap with the cooler in the vertical direction and is shifted in the width direction of the refrigerator with respect to the cooler,
The cover member guides air discharged from the centrifugal fan to the first area toward the cooler.
The refrigerator according to [1].
[3]
At least part of the centrifugal fan is aligned with the cooler in the lateral width direction,
The refrigerator according to [2].
[4]
The cover member includes a first portion that guides the air discharged from the centrifugal fan to the first area to a second area located above or below the cooler, and the air that is guided to the second area. and a second portion that guides air from the second region toward the cooler.
The refrigerator according to [2] or [3].
[5]
The first portion guides the swirling flow discharged from the centrifugal fan to the circumference of the centrifugal fan from the first portion to the second portion along the swirling direction of the swirling flow.
The refrigerator according to [4].
[6]
further comprising a liquid receiver disposed below the cooler;
the second region includes a region located between the cooler and the liquid receiver;
The refrigerator according to [4] or [5].
[7]
The second portion includes an inclined portion or a curved portion that changes the direction of at least part of the air guided from the first region to the second region toward the cooler,
The refrigerator according to any one of [4] to [6].
[8]
The direction of rotation of the impeller of the centrifugal fan is the direction from the first region toward the second region in the upper portion or the lower portion of the centrifugal fan, which is closer to the second region.
The refrigerator according to any one of [4] to [7].
[9]
the center of the cooler is arranged to be shifted to the first side with respect to the center of the storage chamber in the width direction;
The center of the centrifugal fan is arranged to be shifted to the second side opposite to the first side with respect to the center of the storage chamber in the width direction.
The refrigerator according to any one of [2] to [8].
[10]
Equipped with another centrifugal fan,
The another centrifugal fan is arranged in a third region that does not overlap with the cooler in the vertical direction and is shifted in the width direction to the side opposite to the first region with respect to the cooler, the cover member guides the air discharged from the another centrifugal fan to the third region toward the cooler;
The refrigerator according to any one of [2] to [9].
[11]
further comprising a liquid receiver disposed below the cooler;
The liquid receiver has an inclined plate portion inclined with respect to the depth direction of the refrigerator,
The centrifugal fan is arranged below the inclined plate portion and discharges at least part of the sucked air toward the inclined plate portion.
The refrigerator according to [1].

Reference Signs List 1 refrigerator 10 housing 80, 81, 82, 83, 84 storage chamber 61, 71 cooler 62, 72 liquid receiving portion 62b inclined plate portion 63, 73 centrifugal fan ( 1st centrifugal fan), 64, 74... cover part, 410... first guide part (first part), 420... second guide part (second part), 430... third guide part (third part), R1 ... first region, R2 ... second region, R3 ... third region.

Claims (14)

a refrigerator,
a housing having a storage room;
a cooler provided in the housing;
a centrifugal blower provided in the housing for discharging sucked air in a centrifugal direction;
a cool air guide member provided in the housing for guiding the air discharged in the centrifugal direction from the centrifugal blower toward the downstream side in the air flow direction in the housing;
with
The cold air guide member has a plurality of cool air outlets opening into the storage chamber on the downstream side of the cooler,
With respect to the plurality of cold air outlets, the sum of the opening areas opened to the storage compartment in one region with respect to the center of the storage compartment in the width direction of the refrigerator, and the other side with respect to the center of the storage compartment in the width direction a region different from the total open area opening into the storage chamber,
refrigerator. the plurality of cool air outlets include a first cool air outlet and a second cool air outlet;
the first cold air outlet is arranged such that the center of the first cold air outlet is deviated from the center of the storage compartment to the one side in the width direction of the refrigerator;
the second cold air outlet is arranged such that the center of the second cold air outlet is off the center of the storage chamber toward the other side in the width direction;
the first cold air outlet is smaller than the second cold air outlet;
Refrigerator according to claim 1. the width of the first cold air outlet is smaller than the width of the second cold air outlet;
The refrigerator according to claim 2. The centrifugal blower sends more air to the one side of the center of the storage chamber in the width direction than the other side of the center of the storage chamber in the width direction,
The refrigerator according to claim 2 or 3. a refrigerator,
a housing having a storage room;
a cooler provided in the housing;
a centrifugal blower provided in the housing for discharging sucked air in a centrifugal direction;
a cool air guide member provided in the housing for guiding the air discharged in the centrifugal direction from the centrifugal blower toward the downstream side in the air flow direction in the housing;
with
The cold air guide member has a plurality of cool air outlets opening into the storage chamber on the downstream side of the cooler,
the plurality of cool air outlets include a first cool air outlet and a second cool air outlet;
the first cold air outlet is arranged such that the center of the first cold air outlet is deviated to one side from the center of the storage compartment in the width direction of the refrigerator;
the second cold air outlet is arranged such that the center of the second cold air outlet is off the other side from the center of the storage chamber in the width direction;
the first cold air outlet is smaller than the second cold air outlet;
refrigerator. a refrigerator,
a housing having a storage room;
a cooler provided in the housing;
a centrifugal blower provided in the housing for discharging sucked air in a centrifugal direction;
a cool air guide member provided in the housing for guiding the air discharged in the centrifugal direction from the centrifugal blower toward the downstream side in the air flow direction in the housing;
with
The centrifugal blower blows more air to one side of the center of the storage compartment in the width direction of the refrigerator than the other side of the center of the storage compartment,
The cold air guide member has a plurality of cool air outlets opening into the storage chamber on the downstream side of the cooler,
the plurality of cool air outlets include a first cool air outlet and a second cool air outlet;
The first cold air outlet is arranged such that the center of the first cold air outlet is off the center of the storage chamber to the one side in the width direction,
the second cold air outlet is arranged such that the center of the second cold air outlet is off the center of the storage chamber toward the other side in the width direction;
the width of the first cold air outlet is smaller than the width of the second cold air outlet;
refrigerator. The cool air guide member includes a front wall portion that covers the peripheral area of the centrifugal fan from a side opposite to the rear wall of the housing, and side wall portions that extend from left and right ends of the front wall portion toward the rear wall. and
The side wall portion has a left wall portion positioned to the left of the centrifugal fan, a right wall portion positioned to the right of the centrifugal fan, and a curved surface portion or an inclined portion to pass under the centrifugal fan. A lower wall portion connecting the left wall portion and the right wall portion is provided, and the curved surface portion or the inclined portion is discharged from the centrifugal fan downward, obliquely downward left, or obliquely downward right. Change the direction of the air to go upwards,
A maximum width between the left wall portion and the right wall portion in the lateral width direction is larger than a maximum width of the plurality of cool air outlets,
The refrigerator according to any one of claims 1 to 6. The maximum width between the left wall portion and the right wall portion in the width direction is substantially the same as the maximum width of the cold air guide member in the width direction.
The refrigerator according to claim 7. the center of rotation of the centrifugal blower is positioned away from the center of the cool air guide member toward the first side in the width direction;
The centrifugal blower has an impeller including a plurality of blades,
The direction of rotation of the centrifugal blower is a direction in which the impeller rotates from above to below on the first side in the width direction with respect to the center of rotation.
The refrigerator according to any one of claims 1 to 8. The cold air guide member is integrally formed with a cover portion that covers the centrifugal fan and a duct portion provided with the plurality of cold air outlets.
A refrigerator according to any one of claims 1 to 9. The distance between the edge of the cooler and the centrifugal fan is smaller than the lateral width of the cooler.
A refrigerator according to any one of claims 1 to 10. At least part of at least one cold air outlet included in the plurality of cold air outlets is arranged directly above the centrifugal blower in the vertical direction when the refrigerator is viewed from the front side,
The cold air guide member is a passage obliquely extending with respect to the vertical direction, and directs part of the air discharged from the centrifugal fan to the at least one cold air outlet arranged directly above the centrifugal fan. including a passage leading to at least a portion of
Refrigerator according to any one of claims 1 to 11. one or more vents provided in the housing, through which the air blown from the plurality of cold air outlets to the storage chamber and passed through the storage chamber passes before returning to the centrifugal blower;
The centrifugal blower sends more air to one side of the center of the storage chamber in the width direction than the other side of the center of the storage chamber in the width direction,
Regarding the one or more vents, the total opening area opened to the storage chamber in the region on the other side with respect to the center of the storage chamber in the width direction is the one side with respect to the center of the storage chamber in the width direction greater than the sum of the open areas opening into said storage chamber in the region of
Refrigerator according to any one of claims 1 to 12. one or more vents provided in the housing, through which the air blown from the plurality of cold air outlets to the storage chamber and passed through the storage chamber passes before returning to the centrifugal blower;
The centrifugal blower has an impeller including a plurality of blades,
The direction of rotation of the centrifugal fan is a direction in which the impeller rotates upward on one side in the width direction with respect to the center of rotation of the centrifugal fan,
With respect to the one or more vents, the total opening area opening to the storage compartment in the region on the other side with respect to the center of the storage compartment in the lateral width direction of the refrigerator is large compared to the sum of the open areas opening into the storage chamber in the side regions,
Refrigerator according to any one of claims 1 to 12.

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