JPH10185404A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To raise the easiness to use and storage property of a vegetable room which has risen in use frequency due to the increase of the quantity of consumed vegetable by the general trend for health in recent years. SOLUTION: A refrigerating room 25, at the top, a freezing room 27, and a vegetable room 31, at the center, are arranged, and also a cooling air duct is constituted by coupling a ventilating duct 46, which leads to the suction duct 44 of a freezing room 25 provided at the topside of the cover 39 covering a vegetable container 33 and the suction duct 45 of a low-temperature room 30, a circulating duct 48, which is made around the vegetable container 33, a feedback duct 51, which leads to the cooler 35 from the back face of the vegetable room, and a communication duct which makes the ventilating duct 46 and the feedback duct 51 communicate with each other, with one another. Hereby, the vegetable high in use frequency can be managed and preserved in the center excellent in handiness, and the storage property is improved. Moreover, the cooling capacity of the vegetable room 31 can be secured rationally while improving the temperature distribution of the vegetable container 33.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator in which a refrigerator compartment, a vegetable compartment, and a freezer compartment are arranged from above.

[0002]

2. Description of the Related Art In recent years, a refrigerator equipped with a low temperature room and a vegetable room for storing fresh foods such as fish, meat, vegetables and fruits in addition to a conventional freezing room and a refrigerator room has been developed. Widespread. On the other hand, instead of a refrigerator having a conventional freezer at the upper part, a refrigerator which is frequently used and arranged at the level of the upper eye to improve the usability and the storage capacity has become mainstream. Representative examples of these are disclosed in, for example,
One example is shown in Japanese Patent Application No. 67677, and FIG.
This will be described with reference to FIG.

[0003] Reference numeral 1 denotes a refrigerator body composed of an outer box 2, an inner box 3, and a heat insulating material 4 filled in a space between the two boxes 2, 3. Reference numerals 5 and 6 denote partition walls that partition the inside of the refrigerator up and down. Reference numeral 7 denotes a refrigerating compartment formed above the partition wall 5 and above the main body 1 and provided with a rotary door 8. Numeral 9 denotes a vegetable room for storing vegetables and fruits, which are formed below the partition wall 6 and below the main body 1, and includes a humidity control means 10 for keeping the room at a high humidity and a drawer type door 11. Have. Reference numeral 12 denotes a freezer compartment formed between the partition walls 5 and 6 at the center of the main body 1 and has a drawer-type door 13,
14 is provided. Reference numeral 15 denotes a low-temperature chamber provided in the refrigerator compartment 7 for storing fish and meat.

A compressor 16 and a cooler 17 constitute a refrigeration cycle. Reference numeral 18 denotes a blower for forcibly ventilating the cool air cooled by the cooler 17 into the refrigerator.
Reference numeral 19 denotes the cold room 7 and the vegetable room 9;
5 is a temperature control means (hereinafter referred to as damper devices 19 and 20) for sending a required amount of cool air to each.

The operation of the refrigerator configured as described above will be described. The operation of the compressor 16 causes the cooler 17
The cool air cooled in the step (1) is forcibly ventilated to each room by the blower (18), and the refrigerating room (7), the vegetable room (9) and the low-temperature room (15) are maintained at appropriate temperatures by damper devices (19) and (20). Therefore vegetables,
Temperature control of fresh foods such as fruits, fish, meat, etc. is well maintained and freshness can be maintained. In addition, refrigerator room 7 which is used most frequently
Is located at the level of the upper eyes, so that the convenience and storage properties such as opening / closing of the door, easiness of overlooking the food, and easiness of putting in / out are improved as compared with the conventional refrigerator in which the freezing compartment 12 is located at the top.

[0006]

However, in the above configuration, especially in the background where the consumption of vegetables is increasing due to the recent trend of health, the vegetable room 9 which is frequently used is located at the bottom and sits down. There was a problem that the usability and storage of the vegetable room 9 were not good, such as the number of times of bending and it was difficult to overlook the interior.

[0007] It is an object of the present invention to provide a refrigerator which is particularly easy to use and has a high storage capacity in a vegetable room.

[0008]

In order to achieve this object, a refrigerator according to the present invention has a refrigerator compartment at the top, a freezer compartment at the bottom, a vegetable compartment in the center, and a lid for covering the vegetable container. A ventilation duct provided on the upper surface of the body and communicating with the suction duct of the refrigerator compartment and the suction duct of the low-temperature compartment, a circulation duct formed on the outer periphery of the vegetable container communicating with the ventilation duct, and cooling from the back of the vegetable compartment. The cooling air passage is composed of a return duct communicating with the vessel.

[0009] Thereby, the frequently used vegetables can be stored and managed in the convenient central portion, and the storability is also improved.

Further, the cooling capacity of the vegetable compartment can be rationally secured while improving the temperature distribution of the vegetable container.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION The present invention provides a refrigerator compartment having a low-temperature compartment built therein, a freezer compartment at the bottom, a vegetable compartment at the center, and a refrigerator compartment provided on the upper surface of a lid for covering the vegetable container. A ventilation duct communicating with the suction duct and the suction duct of the low-temperature room, a circulation duct formed on the outer periphery of the vegetable container, a return duct communicating from the back of the vegetable room to the cooler, and a communication duct communicating the ventilation duct and the return duct. Are connected.

[0012] The cooling capacity and good temperature distribution of the vegetable compartment can be reasonably secured while preserving and managing the frequently used vegetables in the convenient central part.

Further, a part of the discharge duct to the refrigerator compartment is divided into a ventilation duct. Then, the cooling capacity of the vegetable compartment can be further enhanced by the joining of low-temperature cold air for cooling the refrigerator compartment.

Further, a part of the discharge duct to the low-temperature chamber is divided into a ventilation duct. Then, the cooling capacity of the vegetable room can be further enhanced by the joining of the low-temperature cold air for cooling the low-temperature room.

[0015] Further, the communication duct is provided with a blocking portion. Then, the airflow of the ventilation duct is increased by blocking the communication duct, and the cooling capacity of the vegetable room can be further enhanced.

Further, a return duct communicating with the ventilation duct and the cool air return port is provided at the back of the lid of the vegetable container.

Then, the moisture permeable from the humidity control means does not settle on the upper part of the vegetable compartment due to the convection of the return duct, so that dew condensation and freezing can be prevented.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A refrigerator according to the present invention will be described below with reference to the drawings. The same components as those in the related art are denoted by the same reference numerals, and detailed description is omitted.

(Embodiment 1) FIG. 1 is a longitudinal sectional view according to Embodiment 1 of the present invention. FIG. 2 is a front perspective view of the embodiment.

1 and 2, reference numeral 21 denotes a refrigerator main body. Reference numerals 22, 23, and 24 denote partition walls that partition the inside of the refrigerator up and down. 25 is a main body 2 above the partition wall 22.
1 is a refrigerating room partitioned and formed at the top of
6 is provided. 27 is a main body 2 below the partition wall 23.
1 is a freezer compartment formed in a lower section and provided with drawer-type doors 28 and 29.

Reference numeral 30 denotes a low-temperature room provided in the lower part of the refrigeration room 25 for storing mainly fish and meat, and 31 denotes a vegetable room for storing vegetables and fruits. The drawer-type door 32 and the door 32 are provided. And a small container 34 mainly for storing small vegetables and fruits arranged in the container. The upper refrigerator compartment 25 and the lower refrigerator compartment 25 are provided between the partition walls 22 and 23. Body 2 sandwiched between freezer compartments 27
1 is located at the center.

Numeral 35 denotes a cooler of the refrigeration cycle,
Is a blower for forcibly blowing the cool air cooled by the cooler 35 into the refrigerator. 37 is a discharge duct of the freezer which guides the cold air of the blower 36 to the freezer 27, 38 is a discharge duct of the low temperature chamber which guides the cool air of the blower 36 to the refrigerator 27.
9 is a discharge duct of the low-temperature chamber for guiding the cool air of the blower 36 to the low-temperature chamber 27, 40 is the cold storage chamber 25, and 41 is the low-temperature chamber 3
Temperature control means (hereinafter referred to as damper devices 40, 41) for sending the required amount of cool air to the respective zeros. 42
Is a lid that covers the top opening of the vegetable container 33 in the vegetable compartment 31, and integrally provided with a humidity control means 43 such as a moisture-permeable functional film for maintaining the inside of the container at high humidity. 44 is a suction duct of the refrigerator compartment 25, 45 is a suction duct of the low temperature compartment 30,
Reference numeral 46 denotes a ventilation duct provided above the lid 42 in communication with the suction ducts 44 and 45, and an opening 47 is provided in front of the humidity control means 43. Reference numeral 48 denotes a circulation duct which communicates with the ventilation duct 46 and circulates around the outer periphery of the vegetable container 33, and reference numeral 49 denotes a cool air return port provided in the upper part of the back of the vegetable compartment 31. Reference numeral 50 denotes a return duct for communicating the ventilation duct 46 and the cool air return port 49 with the inner surface of the lid 42. Reference numeral 51 denotes a return duct for returning air to the cooler 35 via the cool air return port 49. Reference numeral 52 denotes a communication duct which communicates the ventilation duct 46 with the return duct 51 and guides a part of the cool air of the ventilation duct 46 to the return duct 51.

Regarding the refrigerator configured as described above,
The operation will be described below. The cool air cooled by the cooler 35 is blown into the freezer by the blower 36 through the discharge duct 37 of the freezer, and is maintained at an appropriate temperature such as -18 ° C.
The cool air cooled by the cooler 35 is blown into the refrigerator compartment by the blower 36 through the discharge duct 38 of the refrigerator compartment,
An appropriate amount of cold air is sent into the refrigerator compartment 25 by the damper device 40, and is maintained at an appropriate temperature such as 4 ° C. In addition, cooler 3
The cool air cooled in 5 is blown into the low-temperature room by the blower 36 through the discharge duct 39 of the low-temperature room, and the damper device 4
1, an appropriate amount of cold air is sent to the low-temperature chamber 30, and
Is maintained at an appropriate temperature.

Next, the air that has cooled the refrigerating room 25 and the low-temperature room 30 is led to the ventilation duct 46 through the suction ducts 44 and 45, and a part of the cool air is cooled by the return duct 51 through the communication duct 52. It returns to the container 35. The remaining cool air bypasses the upper space of the humidity control means 43 and opens at the opening 47.
From the upper surface of the lid 42. Then, the return air of the refrigerating room 25 and the low-temperature room 30 flows through the circulation duct 48 with the outer periphery of the vegetable container 33 facing backward. Then, the air returns along the back of the vegetable container 33, and the vegetable room 3
The air returns to the cooler 35 through a return duct 51 from a cool air return port 49 provided in the upper part on the back side of the inside 1. In this way, the vegetable compartment 31 is indirectly cooled from the outer periphery of the vegetable container 33 and the lid 42, and the vegetable compartment 31 is maintained at an appropriate temperature such as 6 ° C. At this time, by the action of the humidity control means 43 provided on the top surface of the vegetable container 33,
Vegetable room 3 with transpiration of stored food such as vegetables and fruits
The inside of 1 is in a high humidity state, and the freshness of vegetables and fruits is maintained for a long time.

By arranging the vegetable compartment 31 in the center of the main body, the storage capacity of vegetables frequently used in recent years is enhanced, and the usability is improved, for example, without having to bend down.

On the other hand, the return air from the upper refrigerating chamber 25 and the low-temperature chamber 30 returns to the lower cooler 35 on the way.
By forming a circulation duct 48 that circulates the outer periphery of the vegetable container 33 in the vegetable room 31 from the front to the rear, the required cooling amount is small due to heat transmission to the cooler 35 on the back and the freezing room 27 on the bottom. Is obtained from the return air of the refrigerator compartment 25 and the cold compartment 30. Also,
The still low temperature return air convects in front of the distributionally high temperature container, and the heated return air convection passes through the front of the vegetable compartment 31 in the distributionally low temperature rear and the vegetable container 33.
Can be reasonably indirectly cooled while improving the temperature distribution.

The moisture permeating from the vegetable container 33 is collected by the return to the cool air return port 49 through the return duct 50 at the back of the lid 42, so that the moisture does not accumulate in the upper space of the humidity control means 43. Dew condensation and icing on the top of the vegetable compartment 31 can be prevented.

As described above, indirect cooling with a small amount of temperature fluctuation and stable cooling is performed while preventing damage to stored vegetables due to dew condensation and icing in the vegetable container 33 and preventing dew condensation and icing failure outside the vegetable container 33. Storage management, vegetables,
Long-term freshening of fruits becomes possible.

(Embodiment 2) FIG. 1 is a longitudinal sectional view according to Embodiment 1 of the present invention. FIG. 3 is a front perspective view of the second embodiment.

In FIGS. 1 and 3, reference numeral 53 denotes a refrigeration branch bypass port provided in the middle of a cool air discharge path to the refrigeration chamber 25;
Reference numeral 54 denotes a refrigeration branch bypass duct that communicates with the ventilation duct 46 provided on the top surface of the vegetable compartment 31 from the bypass port 53.

With respect to the refrigerator configured as described above,
The operation will be described below. The cool air cooled by the cooler 35 is blown into the freezer by the blower 36 through the discharge duct 37 of the freezer, and is maintained at an appropriate temperature such as -18 ° C.
The cool air cooled by the cooler 35 is blown into the refrigerator compartment by the blower 36 through the discharge duct 38 of the refrigerator compartment,
An appropriate amount of cold air is sent into the refrigerator compartment 25 by the damper device 40, and is maintained at an appropriate temperature such as 4 ° C. In addition, cooler 3
The cool air cooled in 5 is blown into the low-temperature room by a blower 36 through a discharge duct 38 of the low-temperature room, and the damper device 4
1, an appropriate amount of cold air is sent to the low-temperature chamber 30, and
Is maintained at an appropriate temperature. At this time, the damper device 40
A part of the cool air that has passed through flows into the bypass duct 54 from the bypass port 53 and is led directly to the ventilation duct 46 of the vegetable room 31 without passing through the refrigerator compartment 25. On the other hand, refrigeration room 2
The return air of the refrigerator compartment 25 that has cooled the cold room 5 and the return air of the cold room 30 that has cooled the cold room 30 are drawn in by the suction ducts 44 and 45.
Through the ventilation duct 46. Therefore, in the ventilation duct 46, the refrigerating room 25 and the low-temperature room
A part of the low-temperature discharged cool air to the refrigerating room 25 is mixed with the return air of 0 to become cool air having a higher cooling capacity. And
Part of the cool air returns to the cooler 35 via the return duct 51 via the communication duct 52. The remaining cool air is humidity control means 4
3 is opened from the opening 47 to the front of the upper surface of the lid 42, bypassing the upper space of 3. Then, the mixed cold air in which the return air of the refrigerator compartment 25 and the low-temperature compartment 30 and a part of the low-temperature discharge cool air to the refrigerator compartment 25 are mixed with the return air of the refrigerator compartment 25 and the low-temperature compartment 30 facing backward through the circulation duct 48. . Thereafter, the return air flows along the back surface of the vegetable container 33, and returns to the cooler 35 via the return duct 51 from the cool air return port 49 provided in the upper part of the back of the vegetable compartment 31. For this reason, the indirect cooling effect of the vegetable container 33 is enhanced, and the stored items are more sufficiently cooled. For this reason, the temperature of the vegetable room 31 can be further reduced to maintain and improve the freshness, and the long-term storage and management of vegetables and fruits can be performed.

(Embodiment 3) FIG. 1 is a longitudinal sectional view according to Embodiment 3 of the present invention. FIG. 4 is a front perspective view of the third embodiment.

In FIGS. 1 and 4, reference numeral 55 denotes a low-temperature branch bypass provided in the middle of the cold air discharge path of the low-temperature chamber 30.
Reference numeral 6 denotes a low-temperature branch bypass duct that communicates from the cool air bypass port 52 to a ventilation duct 46 provided on the top surface of the vegetable compartment 31.

With respect to the refrigerator configured as described above,
The operation will be described below. The cool air cooled by the cooler 35 is blown into the freezer by the blower 36 through the discharge duct 37 of the freezer, and is maintained at an appropriate temperature such as -18 ° C.
The cool air cooled by the cooler 35 is blown into the refrigerator compartment by the blower 36 through the discharge duct 38 of the refrigerator compartment,
An appropriate amount of cold air is sent into the refrigerator compartment 25 by the damper device 40, and is maintained at an appropriate temperature such as 4 ° C. In addition, cooler 3
The cool air cooled in 5 is blown into the low-temperature room by the blower 36 through the discharge duct 39 of the low-temperature room, and the damper device 4
1, an appropriate amount of cold air is sent to the low-temperature chamber 30, and
Is maintained at an appropriate temperature. At this time, the damper device 41
Part of the cool air that has passed through flows into the bypass duct 56 from the bypass port 55 and is led directly to the ventilation duct 46 of the vegetable room 31 without passing through the low-temperature room 30. On the other hand, this and low temperature room 3
The return air of the low-temperature chamber 30 that has cooled the cooling chamber 25 and the return air of the refrigerator chamber 25 that has cooled the cooling chamber 25 are drawn by the suction ducts 44 and 45.
Through the ventilation duct 46. Therefore, in the ventilation duct 46, the refrigerating room 25 and the low-temperature room
A part of the low-temperature discharge cool air to the low-temperature chamber 30 is mixed with the return air of 0, and becomes cool air with higher cooling capacity. And
Part of the cool air returns to the cooler 35 via the return duct 51 via the communication duct 52. The remaining cool air is humidity control means 4
3 is opened from the opening 47 to the front of the upper surface of the lid 42, bypassing the upper space of 3. Then, the return air of the refrigerating room 25 and the low-temperature room 30 and the mixed cold air in which a part of the low-temperature discharge cool air is mixed into the low-temperature room 30 are convected with the outer periphery of the vegetable container 33 facing backward through the circulation duct 48. . Thereafter, the return air flows along the back surface of the vegetable container 33, and returns to the cooler 35 via the return duct 51 from the cool air return port 49 provided in the upper part of the back of the vegetable compartment 31. For this reason, the indirect cooling effect of the vegetable container 33 is enhanced, and the stored items are more sufficiently cooled. For this reason, the temperature of the vegetable compartment 31 can be further lowered to maintain and improve the freshness, and it is easy to suppress a rise in temperature due to the opening and closing of the doors, so that long-term preservation management of vegetables and fruits can be performed.

(Embodiment 4) FIG. 1 is a longitudinal sectional view according to Embodiment 4 of the present invention. FIG. 5 is a front perspective view of the third embodiment.

1 and 5, reference numeral 57 denotes a communication duct 52.
It is a cut-off part provided in. The operation of the refrigerator configured as described above will be described below.

The cool air cooled by the cooler 35 is supplied to a blower 36
Thus, the air is passed through the freezing room through the discharge duct 36 of the freezing room, and is maintained at an appropriate temperature such as -18 ° C. The cool air cooled by the cooler 35 is blown into the refrigerating room by the blower 36 through the discharge duct 36 of the refrigerating room, and an appropriate amount of the cool air is sent to the refrigerating room 25 by the damper device 40, and 4 ° C.
Is maintained at an appropriate temperature. Further, the cool air cooled by the cooler 35 is blown into the low-temperature room by the blower 36 through the discharge duct 39 of the low-temperature room, and an appropriate amount of cool air is sent into the low-temperature room 30 by the damper device 41 so as to have an appropriate temperature such as -3 ° C. Is maintained. At this time, part of the cool air that has passed through the damper device 41 flows into the bypass duct 56 from the bypass port 55 and is guided directly to the ventilation duct 46 of the vegetable room 31 without passing through the low-temperature room 30. On the other hand, this and the return air of the low temperature room 30 which cooled the low temperature room 30 and the cold room 2 which cooled the cold room 25
The return air of No. 5 is led to the ventilation duct 46 via the suction ducts 44 and 45. At this time, all the cool air flowing into the communication duct 52 from the ventilation duct 46 bypasses the upper space of the humidity control means 43 by the blocking portion 57 and is opened forward from the opening 47 to the upper surface of the lid 42 through the circulation duct 48. With the outer perimeter of the vegetable container 33 facing backward, the return air of the refrigerator compartment 25 and the low-temperature compartment 30 and the mixed cold air in which a part of the low-temperature discharge cool air is mixed into the low-temperature compartment 30 flow. Thereafter, the return air flows along the back surface of the vegetable container 33, and returns to the cooler 35 via the return duct 51 from the cool air return port 49 provided in the upper part of the back of the vegetable compartment 31. Therefore, the ventilation duct 4
The air volume inside 6 increases, and the cooling capacity further increases. Since the cool air is supplied from the ventilation duct 46 to the outer peripheral circulation duct 48 of the vegetable container 33, the indirect cooling effect of the vegetable container 33 is further enhanced. For this reason, the vegetable room temperature can be further lowered to maintain and improve the freshness, and further cooling margin can be secured against temperature rise such as opening and closing the door.
It becomes easier to cope with long-term storage management of vegetables and fruits.

[0038]

As described above, the refrigerator of the present invention is provided with a refrigerator compartment with a built-in low-temperature compartment at the top, a freezer compartment at the bottom, and a vegetable compartment at the center, and is provided on the upper surface of the lid covering the vegetable container. A ventilation duct communicating with the suction duct of the refrigerator compartment and the suction duct of the cold room, a circulation duct formed on the outer periphery of the vegetable container, a return duct communicating from the back of the vegetable compartment to the cooler, a ventilation duct and a return duct Since the communication ducts are connected to communicate with each other, the cooling capacity and good temperature distribution of the vegetable compartment can be ensured rationally while maintaining and managing the frequently used vegetables in the convenient central part. Kind of preservation can be improved.

Further, by diverting a part of the discharge duct to the refrigerator compartment to the ventilation duct, the cooling capacity of the vegetable compartment can be further enhanced by the joining of the low-temperature cold air for cooling the refrigerator compartment, and the temperature of the vegetable compartment can be reduced. Therefore, it is possible to maintain freshness and to cope with a rise in temperature during practical use.

Further, by diverting a part of the discharge duct to the low-temperature room to the ventilation duct, the cooling capacity of the vegetable room can be further enhanced by the joining of the low-temperature cold air for cooling the low-temperature room, and the temperature of the vegetable room can be reduced. Therefore, it is possible to further maintain freshness and cope with a rise in temperature during practical use.

Further, the provision of the blocking portion in the communication duct increases the air volume of the ventilation duct by blocking the communication duct.
The cooling capacity of the vegetable compartment can be further enhanced, and the maintenance of freshness by lowering the temperature of the vegetable compartment and the response to a rise in temperature during practical use can be further enhanced.

Further, by providing a return duct communicating with the ventilation duct and the cool air return port in the back portion of the lid of the vegetable container, moisture permeability from the humidity control means does not settle on the upper part of the vegetable compartment by convection of the return duct. Dew condensation and icing can be prevented.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of Embodiment 1 of a refrigerator according to the present invention.

FIG. 2 is a front perspective view of the refrigerator 1 according to the present invention.

FIG. 3 is a front perspective view of Embodiment 2 of the refrigerator according to the present invention.

FIG. 4 is a front perspective view of Embodiment 3 of the refrigerator according to the present invention.

FIG. 5 is a front perspective view of a refrigerator according to a fourth embodiment of the present invention.

FIG. 6 is a longitudinal sectional view of a conventional refrigerator.

[Explanation of symbols]

 Reference Signs List 25 Refrigerator room 27 Freezer room 30 Low temperature room 31 Vegetable room 33 Vegetable room 33 Vegetable container 35 Cooler 42 Cover 43 Humidity adjusting means 44 Refrigerator room suction duct 45 Low temperature room suction duct 46 Ventilation duct 47 Opening 48 Circulation duct 49 Vegetable room Cold air return port 50 Return duct 51 Return duct 52 Communication duct 54 Refrigerated branch bypass duct 56 Low temperature branch bypass duct 57 Shut-off part

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Takashi Yamauchi 4-5-2-5 Takaida Hondori, Higashi Osaka City, Osaka Prefecture Inside Matsushita Refrigerating Machinery Co., Ltd. (72) Atsushi Nakamura Atsushi Nakamura 4, Takaida Motohashi, Higashi Osaka City, Osaka Prefecture Matsushita Refrigeration Machine Co., Ltd.

Claims (5)

[Claims] 1. A refrigeration room for storing refrigerated foods and the like at an upper part,
A freezer compartment for storing frozen foods etc. at the bottom and vegetables at the center
A vegetable room for storing fruits and the like, a low-temperature room for storing fish, meat, and the like at a low temperature in the refrigerator room, and a refrigerator for a refrigerating cycle arranged over the vegetable room and the back of the freezer room; A lid that covers the upper opening surface of the vegetable container provided in the container, a ventilation duct that is provided on the upper surface of the lid and communicates with the suction duct of the refrigerator compartment and the suction duct of the low-temperature chamber, and communicates with the ventilation duct. A circulation duct formed from the front to the rear formed on the outer periphery of the vegetable container, a cool air return port provided on the inner surface of the vegetable room in communication with the circulation duct, and a return duct communicating from the cool air return port to a cooler. A refrigerator comprising a communication duct that connects the ventilation duct and the return duct. 2. The refrigerator according to claim 1, wherein a part of the cool air discharge duct to the refrigerator compartment is diverted to a ventilation duct. 3. The refrigerator according to claim 1, wherein a part of the cool air discharge duct to the low temperature room is divided into a ventilation duct. 4. The refrigerator according to claim 3, further comprising a blocking unit that blocks a communication duct that connects the ventilation duct and the return duct. 5. The refrigerator according to claim 1, wherein a return duct communicating with the ventilation duct and the cool air return port is provided in a back portion of the lid of the vegetable container.