JPH10318651A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance an availability and a storing ability of a vegetable chamber which has now become frequently used due to an increase of vegetable consumption spurred by a recent health trend. SOLUTION: In a refrigerator, a refrigerating chamber 25 is disposed at an upper portion thereof, a freezer chamber 27 is disposed at a lower portion thereof and a vegetable chamber 31 is disposed at a central portion thereof. A cooling air passage for the vegetable chamber 31 is defined by connecting a vent duct 46 which is disposed on an upper surface of a lid body 39 covering a vegetable container 33 and communicated with a suction duct 44 of the refrigerating chamber 25, a circulation duct 48 formed around the vegetable container 33, a first return duct 51 which communicates with a cooler 35 from the back of the vegetable chamber and a communication duct which makes the vent duct 46 and the first return duct 51 communicate with each other. Owing to such a construction, the vegetable which are frequently used can be preserved and administrated at the central portion which is frequently used and a storing ability is also enhanced. Furthermore, the cooling ability of the vegetable chamber 31 is rationally assured while improving the temperature distribution in the vegetable container 33.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は上部より冷蔵室，野
菜室，冷凍室を配置した冷蔵庫に関する。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】[0002]

【従来の技術】近年、従来よりある冷凍室及び冷蔵室に
加えて魚，肉類や野菜，果物類などの生鮮食品を新鮮に
保存することを目的とした低温室や野菜室を備えた冷蔵
庫が普及している。また、一方で従来の冷凍室が上部に
あるものに代わって、使用頻度の高い冷蔵室を上部の目
の高さに配置して使い勝手や収納性を高めた冷蔵庫が主
流となっている。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.

【０００３】これらの代表例は例えば特開平３−２６７
６７７号公報にその一例が示されており、以下図６を参
照しながら説明を行う。A typical example of these is disclosed in, for example, Japanese Patent Application Laid-Open No. 3-267.
One example is shown in Japanese Patent Application Laid-Open No. 677, which will be described below with reference to FIG.

【０００４】１は外箱２、内箱３及び前記両箱２，３間
の空間に充填された断熱材４によって構成された冷蔵庫
本体である。５，６は庫内を上下に区画する区画壁であ
る。７は前記区画壁５の上方で本体１の上部に区画形成
された冷蔵室であり回転式の扉８を備えている。[0004] 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.

【０００５】９は前記区画壁６の下方で本体１の下部に
区画形成された野菜，果物類を保存する野菜室であり、
室内を高湿に維持するための調湿手段１０及び引き出し
式の扉１１を備えている。１２は前記区画壁５及び６の
間で本体１の中央部に区画形成された冷凍室であり引き
出し式の扉１３，１４を備えている。また、１５は前記
冷蔵室７内に設けた魚，肉類を保存する低温室である。Reference numeral 9 denotes a vegetable compartment for storing vegetables and fruits formed below the partition wall 6 and below the main body 1;
The room is provided with a humidity control means 10 and a drawer type door 11 for maintaining the room at high humidity. Reference numeral 12 denotes a freezer compartment formed between the partition walls 5 and 6 in the center of the main body 1 and includes drawer-type doors 13 and 14. Reference numeral 15 denotes a low-temperature chamber provided in the refrigerator compartment 7 for storing fish and meat.

【０００６】１６は圧縮機、１７は冷却器であり冷凍サ
イクルを構成している。１８は前記冷却器１７で冷却さ
れた冷気を庫内に強制通風させるための送風機であり、
１９は前記冷蔵室７、野菜室９に、２０は前記低温室１
５にそれぞれ必要な冷気量を送り込むための温度制御手
段（以後ダンパー装置１９，２０という）である。[0006] Reference numeral 16 denotes a compressor, and 17 denotes a cooler, which constitutes 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.

【０００７】以上のように構成された冷蔵庫についてそ
の動作を説明する。圧縮機１６の運転により冷却器１７
で冷却された冷気は送風機１８によって各室に強制通風
され、ダンパー装置１９，２０により冷蔵室７、野菜室
９及び低温室１５が適温に維持される。The operation of the refrigerator constructed as described above will be described. The operation of the compressor 16 causes the cooler 17
The cool air cooled in step (1) is forcibly ventilated to each room by a 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).

【０００８】このため野菜，果物類や魚，肉類などの生
鮮食品の温度管理が行き届き鮮度が維持できる。また、
使用頻度の最も高い冷蔵室７が上部の目の高さにあるた
め扉の開閉や食品の見渡し易さ，出し入れのし易さな
ど、使い勝手や収納性が従来の冷凍室１２が上部にある
冷蔵庫に比べてよくなる。[0008] Therefore, the temperature of fresh food such as vegetables, fruits, fish, meat and the like can be properly controlled and freshness can be maintained. Also,
Since the refrigerator compartment 7, which is most frequently used, is located at the level of the upper eye, the refrigerator has a conventional freezer compartment 12 located at the top of the conventional refrigerator, which is easy to open and close the door, easy to look over food, and easy to put in and out. Better than.

【０００９】[0009]

【発明が解決しようとする課題】しかしながら上記の構
成では、特に近年の健康指向から野菜の消費量が高まっ
ている背景に対しては、使用頻度の高い野菜室９が最下
段にあって腰を屈める回数が多い、奥まで見渡しにくい
など野菜室９の使い勝手や収納性がよくないという問題
点があった。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.

【００１０】本発明は、特に野菜室の使い勝手や収納性
を高めた冷蔵庫を提供することを目的としている。[0010] It is an object of the present invention to provide a refrigerator in which the convenience and the storage capacity of a vegetable room are particularly improved.

【００１１】[0011]

【課題を解決するための手段】この目的を達成するため
に本発明の冷蔵庫は、上部に冷蔵室、下部に冷凍室を配
置し、中央部に野菜室を配置するとともに、野菜容器を
覆う蓋体の上面に設けられて冷蔵室の吸い込みダクト及
び低温室の吸い込みダクトに連通する通風ダクトと、こ
の通風ダクトに連通して野菜容器の外周に形成された循
環ダクトと、野菜室奥面より冷却器に連通する帰還ダク
トから冷却風路を構成したものである。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.

【００１２】これにより、使用頻度が高い野菜を使い勝
手のよい中央部で保存管理でき、収納性も改善される。[0012] Thereby, the frequently used vegetables can be stored and managed in the convenient central portion, and the storage property is also improved.

【００１３】また、野菜容器の温度分布を改善しながら
合理的に野菜室の冷却能力を確保できる。Further, the cooling capacity of the vegetable compartment can be rationally secured while improving the temperature distribution of the vegetable container.

【００１４】[0014]

【発明の実施の形態】本発明は上部に低温室を内蔵した
冷蔵室と、下部に冷凍室と、中央部に野菜室を備え、野
菜容器を覆う蓋体の上面に設けられて冷蔵室の吸い込み
ダクトに連通する通風ダクトと、野菜容器の外周に形成
した循環ダクトと、野菜室奥面より冷却器に連通する第
１の帰還ダクトと、通風ダクトと第１の帰還ダクトを連
通する連通ダクトを連結構成したものである。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention comprises a refrigerator compartment having a built-in low-temperature compartment at the top, 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, a circulation duct formed on the outer periphery of the vegetable container, a first return duct communicating from the back of the vegetable compartment to the cooler, and a communication duct communicating the ventilation duct with the first return duct; Are connected.

【００１５】そして、使用頻度が高い野菜を使い勝手の
よい中央部で保存管理しながら、合理的に野菜室の冷却
能力および良好な温度分布が確保できる。[0015] 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.

【００１６】また、冷蔵室への吐出ダクトの一部を通風
ダクトに分流させたものである。そして、冷蔵室冷却用
の低温冷気の合流で野菜室の冷却能力をさらに高めるこ
とができる。Further, a part of the discharge duct to the refrigerating 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.

【００１７】また、野菜容器を覆う蓋体の上面に設けら
れて低温室の吸い込みダクトに連通する通風ダクトと、
野菜容器の外周に形成した循環ダクトと、野菜室奥面よ
り冷却器に連通する第１の帰還ダクトと、低温室の冷気
吐出の一部を分流させる低温分岐バイパスダクトと、通
風ダクトと第１の帰還ダクトを連通する連通ダクトと、
冷蔵室の吸い込みダクトと、冷却器に連通する第２の帰
還ダクトを連結構成したものである。A ventilation duct provided on the upper surface of the lid covering the vegetable container and communicating with the suction duct of the low-temperature chamber;
A circulation duct formed on the outer periphery of the vegetable container, a first return duct communicating with the cooler from the back of the vegetable compartment, a low-temperature branch bypass duct for diverting a part of cold air discharge from the low-temperature room, a ventilation duct, and a first duct. A communication duct that communicates with the return duct of
The suction duct of the refrigerating compartment is connected to a second return duct communicating with the cooler.

【００１８】そして、低温室冷却用の低温冷気の合流で
野菜室の冷却能力を一層に高めることができる。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.

【００１９】また、連通ダクトに遮断部を設けた構成と
したものである。そして、連通ダクトの遮断により通風
ダクトの風量が増大し、野菜室の冷却能力をより一層安
定させ、向上させることができる。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 compartment can be further stabilized and improved.

【００２０】また、野菜容器の蓋体の奥部に通風ダクト
と、冷気戻り口に連通する戻りダクトを設けたものであ
る。Further, a ventilation duct and a return duct communicating with the cool air return port are provided at the back of the lid of the vegetable container.

【００２１】そして、調湿手段からの透湿気が戻りダク
トの対流により、野菜室上部に澱まず、結露，氷結が防
止できる。The moisture permeable air from the humidity control means does not settle on the upper part of the vegetable compartment due to the convection of the return duct, thereby preventing condensation and icing.

【００２２】[0022]

【実施例】以下本発明による冷蔵庫について、図面を参
照しながら説明する。なお、従来と同一構成について
は、同一符号を付して詳細な説明を省略する。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.

【００２３】（実施例１）図１は本実施例１による縦断
面図である。図２は同実施例の正面斜視図である。(Embodiment 1) FIG. 1 is a longitudinal sectional view of the first embodiment. FIG. 2 is a front perspective view of the embodiment.

【００２４】図１，図２において、２１は冷蔵庫本体で
ある。２２，２３，２４はそれぞれ庫内を上下に区画す
る区画壁である。２５は前記区画壁２２の上方で本体２
１の上部に区画形成された冷蔵室であり、回転式の扉２
６を備えている。２７は前記区画壁２３の下方で本体２
１の下部に区画形成された冷凍室であり引き出し式の扉
２８，２９を備えている。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.

【００２５】３０は前記冷蔵室２５内の下部に設けられ
た主に魚，肉類などを保存する低温室、３１は野菜，果
物類を保存する野菜室で、引き出し式の扉３２と前記扉
３２に取り付けて引き出される野菜容器３３と容器内に
配置された主に小物野菜や果物などを収納する小物容器
３４を装備しており、前記区画壁２２，２３の間で上部
の冷蔵室２５と下部の冷凍室２７の間に挟まれて本体２
１の中央部に配置されている。Reference numeral 30 denotes a low-temperature room provided at the lower part of the refrigerator compartment 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.

【００２６】３５は冷凍サイクルの冷却器であり、３６
は前記冷却器３５で冷却された冷気を庫内に強制通風さ
せるための送風機である。３７は前記送風機３６の冷気
を冷凍室２７に導く冷凍室の吐出ダクト、３８は送風機
３６の冷気を冷蔵室２７に導く冷蔵室の吐出ダクト、３
９は送風機３６の冷気を低温室３０に導く低温室の吐出
ダクト、４０は前記冷蔵室２５に、４１は前記低温室３
０にそれぞれ必要な冷気量を送り込むための温度制御手
段（以後ダンパー装置４０，４１という）である。Reference numeral 35 denotes a cooler of a 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 cool air of the blower 36 to the freezer 27, 38 is a discharge duct of the cooler which guides the cool air of the blower 36 to the cooler 27, 3
Reference numeral 9 denotes a low-temperature chamber discharge duct for guiding the cool air of the blower 36 to the low-temperature chamber 30; 40, the cold storage chamber 25;
Temperature control means (hereinafter referred to as damper devices 40, 41) for sending the required amount of cool air to the respective zeros.

【００２７】４２は野菜室３１内の野菜容器３３の上面
開口を覆う蓋体であり、容器内を高湿に維持するための
透湿機能膜などの調湿手段４３を一体に設けている。４
４は冷蔵室２５の吸い込みダクト、４５は低温室３４の
吸い込みダクト、４６は前記吸い込みダクト４４，４５
に連通して前記蓋体４２の上方に設けた通風ダクトであ
り、前記調湿手段４３より前方に開口部４７が設けられ
ている。Reference numeral 42 denotes a lid for covering the upper surface opening of the vegetable container 33 in the vegetable compartment 31. The lid 42 is 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. 4
4 is a suction duct of the refrigerator compartment 25, 45 is a suction duct of the low temperature chamber 34, 46 is the suction ducts 44 and 45.
And a ventilation duct provided above the lid 42 in communication with the humidity control means 43, and an opening 47 is provided in front of the humidity control means 43.

【００２８】４８は前記通風ダクト４６に連通して野菜
容器３３の外周を循環するよう構成した循環ダクト、４
９は野菜室３１内の奥面上部に設けた冷気戻り口であ
る。５０は蓋体４２の奥面に前記通風ダクト４６と前記
冷気戻り口４９を連通させるための戻りダクトである。Numeral 48 denotes a circulation duct which communicates with the ventilation duct 46 and circulates around the outer periphery of the vegetable container 33.
9 is a cool air return port provided in the upper part of the back side in the vegetable room 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.

【００２９】また、５１は冷気戻り口４９を介して冷却
器３５に空気を帰還させるための第１の帰還ダクトであ
る。また、５２は前記通風ダクト４６と前記第１の帰還
ダクト５１を連通し、通風ダクト４６の一部の冷気を第
１の帰還ダクト５１に導く連通ダクトである。又、５３
は、低温室３０を冷却した冷気を、冷却器３５へ帰還さ
せるための第２の帰還ダクトである。Reference numeral 51 denotes a first return duct for returning air to the cooler 35 through the cool air return port 49. Reference numeral 52 denotes a communication duct that communicates the ventilation duct 46 with the first return duct 51 and guides a part of the cool air of the ventilation duct 46 to the first return duct 51. Also, 53
Is a second return duct for returning the cool air that has cooled the low-temperature chamber 30 to the cooler 35.

【００３０】以上のように構成された冷蔵庫について、
以下その動作を説明する。冷却器３５で冷却された冷気
は送風機３６によって冷凍室の吐出ダクト３７を介して
冷凍室に通風され、約−１８℃などの適温に維持され
る。また、冷却器３５で冷却された冷気は送風機３６に
よって冷蔵室の吐出ダクト３８を介して冷蔵室に通風さ
れ、ダンパー装置４０により冷蔵室２５に適量の冷気が
送り込まれて約４℃などの適温に維持される。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 freezing room by the blower 36 through the discharge duct 37 of the freezing room, and is maintained at an appropriate temperature such as about -18 ° C. Further, the cool air cooled by the cooler 35 is blown into the refrigerating room by a blower 36 through a discharge duct 38 of the refrigerating room, and an appropriate amount of the cool air is sent to the refrigerating room 25 by a damper device 40 so that an appropriate temperature of about 4 ° C. Is maintained.

【００３１】また、冷却器３５で冷却された冷気は送風
機３６によって低温室の吐出ダクト３９を介して低温室
に通風され、ダンパー装置４１により低温室３０に適量
の冷気が送り込まれて約−３℃などの適温に維持され
る。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 the cool air is sent into the low-temperature room 30 by the damper device 41 to about -3. It is maintained at an appropriate temperature such as ° C.

【００３２】次に、冷蔵室２５を冷却した空気は吸い込
みダクト４４を介して通風ダクト４６に導かれ、冷気の
一部は連通ダクト５２を介して第１の帰還ダクト５１に
より、冷却器３５に帰還する。又、低温室３０を冷却し
た空気は吸い込みダクト４５を介して第２の帰還ダクト
５３により冷却器３５に帰還する。残りの冷気は調湿手
段４３の上面空間をバイパスして開口部４７から蓋体４
２の上面前方に開放される。Next, the air that has cooled the refrigerator compartment 25 is led to the ventilation duct 46 via the suction duct 44, and a part of the cool air is supplied to the cooler 35 by the first return duct 51 via the communication duct 52. Will return. The air that has cooled the low-temperature chamber 30 returns to the cooler 35 via the suction duct 45 and the second return duct 53. The remaining cool air bypasses the upper space of the humidity control means 43 and passes from the opening 47 to the lid 4.
2 is opened forward.

【００３３】そして、循環ダクト４８を介して野菜容器
３３の外周を後方に向けて冷蔵室２５及び低温室３０の
戻り空気が対流する。その後野菜容器３３の背面に沿っ
て戻り空気が流れ、野菜室３１内の奥面上部に設けた冷
気戻り口４９より第１の帰還ダクト５１を介して冷却器
３５に帰還する。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. Thereafter, return air flows along the back surface of the vegetable container 33, and returns to the cooler 35 via the first return duct 51 from the cool air return port 49 provided in the upper part of the back of the vegetable compartment 31.

【００３４】このように、野菜容器３３および蓋体４２
の外周より間接冷却されて野菜室３１が約６℃などの適
温に維持される。このとき、野菜容器３３の天面部に設
けた調湿手段４３の作用により、収納された野菜，果物
などの食品の蒸散水分で野菜室３１内が高湿状態となっ
て野菜や果物類の鮮度が長期間維持される。Thus, the vegetable container 33 and the lid 42
Is cooled indirectly from the outer circumference of the vegetable compartment 31 and the vegetable compartment 31 is maintained at an appropriate temperature such as about 6 ° C. At this time, due to the action of the humidity control means 43 provided on the top surface of the vegetable container 33, the inside of the vegetable compartment 31 becomes highly humid due to the transpiration moisture of the stored food such as vegetables and fruits, and the freshness of the vegetables and fruits is increased. Is maintained for a long time.

【００３５】このように、野菜室３１が本体の中央部に
配置されることにより近年使用頻度の高い野菜の収納性
が高まり、腰を屈めなくてもよいなど使い勝手も向上す
る。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 such that the user does not need to bend down.

【００３６】一方、上部の冷蔵室２５の戻り空気が下部
の冷却器３５に帰還する経路の途中に、野菜室３１内の
野菜容器３３の外周を前方から後方に循環する循環ダク
ト４８を形成することにより、背面の冷却器３５と下面
の冷凍室２７への熱透過で必要冷却量が少ない野菜室３
１を冷却するのに十分な冷却能力を冷蔵室２５の戻り空
気から得られる。On the other hand, a circulation duct 48 for circulating the outer periphery of the vegetable container 33 in the vegetable compartment 31 from the front to the back is formed on the way of the return air of the upper refrigerator compartment 25 returning to the lower cooler 35. As a result, the vegetable room 3 that requires a small amount of cooling due to heat transmission to the cooler 35 on the back side and the freezing room 27 on the bottom side
Sufficient cooling capacity to cool 1 is obtained from the return air of the refrigerator compartment 25.

【００３７】また、分布的に温度の高い容器前方をまだ
低温の戻り空気が対流し、分布的に温度の低い容器後方
を野菜室３１の前面を通過して加熱された戻り空気が対
流して野菜容器３３の温度分布を改善しながら合理的に
間接冷却できる。Further, the return air of still low temperature convects in front of the container having a distributionally high temperature, and the return air heated after passing through the front of the vegetable compartment 31 flows in the rear of the container having a distributionally low temperature. Indirect cooling can be rationally performed while improving the temperature distribution of the vegetable container 33.

【００３８】そして、野菜容器３３内から透過した湿気
は、蓋体４２奥部の戻りダクト５０を介して冷気戻り口
４９へ誘因回収されるので、調湿手段４３の上部空間に
湿気が澱まず野菜室３１天面の結露，氷結が防止でき
る。Then, the moisture permeating from the inside of 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.

【００３９】このように、野菜容器３３内の結露，氷結
による収納野菜類の傷み防止および野菜容器３３外の結
露，氷結障害防止を図りながら、温度むらの少ない冷却
量をもった間接冷却で安定した保存管理ができ、野菜，
果物類の長期保鮮が可能となる。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.

【００４０】（実施例２）図１は本発明の実施例１によ
る縦断面図である。図３は同実施例２の正面斜視図であ
る。(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.

【００４１】図１，図３において、５４は冷蔵室２５へ
の冷気吐出経路途中に設けた冷蔵分岐バイパス口であ
り、５５は前記バイパス口５３より野菜室３１の天面に
設けた通風ダクト４６に連通する冷蔵分岐バイパスダク
トである。In FIGS. 1 and 3, reference numeral 54 denotes a refrigeration branch bypass port provided in the middle of a cool air discharge path to the refrigeration compartment 25, and 55 denotes a ventilation duct 46 provided on the top surface of the vegetable compartment 31 through the bypass port 53. This is a refrigeration branch bypass duct that communicates with the.

【００４２】以上のように構成された冷蔵庫について、
以下その動作を説明する。冷却器３５で冷却された冷気
は送風機３６によって冷凍室の吐出ダクト３７を介して
冷凍室に通風され、約−１８℃などの適温に維持され
る。また、冷却器３５で冷却された冷気は送風機３６に
よって冷蔵室の吐出ダクト３８を介して冷蔵室に通風さ
れ、ダンパー装置４０により冷蔵室２５に適量の冷気が
送り込まれて約４℃などの適温に維持される。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 freezing room by the blower 36 through the discharge duct 37 of the freezing room, and is maintained at an appropriate temperature such as about -18 ° C. Further, the cool air cooled by the cooler 35 is blown into the refrigerating room by a blower 36 through a discharge duct 38 of the refrigerating room, and an appropriate amount of the cool air is sent to the refrigerating room 25 by a damper device 40 so that an appropriate temperature of about 4 ° C. Is maintained.

【００４３】また、冷却器３５で冷却された冷気は送風
機３６によって低温室の吐出ダクト３８を介して低温室
に通風され、ダンパー装置４１により低温室３０に適量
の冷気が送り込まれて約−３℃などの適温に維持され
る。The cool air cooled by the cooler 35 is blown into the low-temperature room by the blower 36 through the discharge duct 38 of the low-temperature room. It is maintained at an appropriate temperature such as ° C.

【００４４】このとき、ダンパー装置４０を通過した冷
気の一部は冷蔵分岐バイパス口５４より冷蔵分岐バイパ
スダクト５５に流入し、冷蔵室２５を介さないで直接野
菜室３１の通風ダクト４６に導かれる。At this time, part of the cool air that has passed through the damper device 40 flows into the refrigeration branch bypass duct 55 from the refrigeration branch bypass port 54 and is led directly to the ventilation duct 46 of the vegetable room 31 without passing through the refrigeration room 25. .

【００４５】一方これと冷蔵室２５を冷却した冷蔵室２
５の戻り空気が吸い込みダクト４４を介して通風ダクト
４６に導かれる。このため、通風ダクト４６内では比較
的温度の高い冷蔵室２５の戻り空気に、冷蔵室２５への
低温の吐出冷気の一部が混合されてより冷却能力の高い
冷気となる。On the other hand, this and the refrigeration room 2 which cooled the refrigeration room 25
The return air of No. 5 is led to the ventilation duct 46 via the suction duct 44. For this reason, in the ventilation duct 46, a part of the low-temperature discharge cool air to the cool room 25 is mixed with the return air of the cool room 25 having a relatively high temperature, and becomes cool air having a higher cooling capacity.

【００４６】そして、冷気の一部は連通ダクト５２を介
して第１の帰還ダクト５１により、冷却器３５に帰還す
る。残りの冷気は調湿手段４３の上面空間をバイパスし
て開口部４７から蓋体４２の上面前方に開放される。Then, a part of the cool air returns to the cooler 35 via the communication duct 52 and the first return duct 51. The remaining cool air bypasses the upper space of the humidity control means 43 and is opened from the opening 47 to the front of the upper surface of the lid 42.

【００４７】そして、循環ダクト４８を介して野菜容器
３３の外周を後方に向けて冷蔵室２５及び低温室３０の
戻り空気と冷蔵室２５への低温の吐出冷気の一部が混合
された混合冷気が対流する。Then, the return air of the refrigerator compartment 25 and the low-temperature compartment 30 and a part of the low-temperature discharge cold air into the refrigerator compartment 25 are mixed with the outer periphery of the vegetable container 33 facing backward through the circulation duct 48. Convection.

【００４８】その後野菜容器３３の背面に沿って戻り空
気が流れ、野菜室３１内の奥面上部に設けた冷気戻り口
４９より第１の帰還ダクト５１を介して冷却器３５に帰
還する。Thereafter, return air flows along the back surface of the vegetable container 33, and returns to the cooler 35 through the first return duct 51 from the cool air return port 49 provided in the upper part of the back of the vegetable compartment 31.

【００４９】このため、野菜容器３３の間接冷却効果が
高められ、収納品がより十分に冷却され、野菜室３１の
温度のより低温化を図って鮮度の維持向上が図れ、より
野菜，果物類の長期保存管理が可能となる。For this reason, the indirect cooling effect of the vegetable container 33 is enhanced, the stored items are cooled more sufficiently, the temperature of the vegetable compartment 31 is lowered, and the freshness is maintained and improved, and the vegetables and fruits are further improved. Long-term preservation management.

【００５０】（実施例３）図１は本発明の実施例３によ
る縦断面図である。図４は同実施例３の正面斜視図であ
る。(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.

【００５１】図１，図４において、５３は、冷蔵室の吸
い込みダクト４４を介して吸い込まれた冷気を冷却器３
５に導くための第２の帰還ダクトである。５６は低温室
３０の冷気吐出経路途中に設けた低温分岐バイパス口で
あり、５７は前記低温分岐バイパス口５６より野菜室３
１の天面に設けた通風ダクト４６に連通する低温分岐バ
イパスダクトである。In FIG. 1 and FIG. 4, reference numeral 53 denotes a cooler 3 for cooling air sucked through the suction duct 44 of the refrigerator compartment.
5 is a second return duct leading to 5. Reference numeral 56 denotes a low-temperature branch bypass port provided in the middle of the cold air discharge path of the low-temperature chamber 30, and 57 denotes a vegetable room 3 from the low-temperature branch bypass port 56.
1 is a low-temperature branch bypass duct that communicates with the ventilation duct 46 provided on the top surface.

【００５２】以上のように構成された冷蔵庫について、
以下その動作を説明する。冷却器３５で冷却された冷気
は送風機３６によって冷凍室の吐出ダクト３７を介して
冷凍室に通風され、約−１８℃などの適温に維持し、冷
蔵室の吸い込みダクト４４を介して第２の帰還ダクト５
３に導かれ冷却器３５へ帰還される。また、冷却器３５
で冷却された冷気は送風機３６によって冷蔵室の吐出ダ
クト３８を介して冷蔵室に通風され、ダンパー装置４０
により冷蔵室２５に適量の冷気が送り込まれて約４℃な
どの適温に維持される。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 freezing room by the blower 36 through the discharge duct 37 of the freezing room, is maintained at an appropriate temperature such as about −18 ° C., and is cooled by the second through the suction duct 44 of the cold room. Return duct 5
3 and is returned to the cooler 35. In addition, the cooler 35
Is cooled by the blower 36 through the discharge duct 38 of the refrigerating compartment to the refrigerating compartment, and the damper device 40
As a result, an appropriate amount of cold air is sent into the refrigerator compartment 25 and maintained at an appropriate temperature such as about 4 ° C.

【００５３】また、冷却器３５で冷却された冷気は送風
機３６によって低温室の吐出ダクト３９を介して低温室
３０に通風され、ダンパー装置４１により低温室３０に
適量の冷気が送り込まれて−３℃などの適温に維持され
る。このとき、ダンパー装置４１を通過した冷気の一部
は低温分岐バイパス口５６より低温分岐バイパスダクト
５７に流入し、低温室３０を介さないで直接野菜室３１
の通風ダクト４６に導かれる。一方これと低温室３０を
冷却した戻り空気と吸い込みダクト４５を介して通風ダ
クト４６に導かれる。The cool air cooled by the cooler 35 is blown into the low temperature chamber 30 by the blower 36 through the discharge duct 39 of the low temperature chamber, and an appropriate amount of the cool air is sent into the low temperature chamber 30 by the damper device 41. It is maintained at an appropriate temperature such as ° C. At this time, a part of the cold air that has passed through the damper device 41 flows into the low-temperature branch bypass duct 57 from the low-temperature branch bypass port 56, and directly goes through the vegetable room 31 without passing through the low-temperature room 30.
To the ventilation duct 46. On the other hand, the air is returned to the ventilation duct 46 via the suction duct 45 and the return air that has cooled the low-temperature chamber 30.

【００５４】このため、通風ダクト４６内では比較的温
度の低い低温室３０の戻り空気に、更に低温室３０への
低温の吐出冷気の一部が混合されて一層冷却能力の高い
冷気となる。そして、冷気の一部は連通ダクト５２を介
して第１の帰還ダクト５１により、冷却器３５に帰還す
る。残りの冷気は調湿手段４３の上面空間をバイパスし
て開口部４７から蓋体４２の上面前方に開放される。For this reason, in the ventilation duct 46, a part of the low-temperature discharge cool air to the low-temperature chamber 30 is further mixed with the return air of the low-temperature chamber 30 having a relatively low temperature, so that the cool air has a higher cooling capacity. Then, part of the cool air returns to the cooler 35 via the communication duct 52 and the first return duct 51. The remaining cool air bypasses the upper space of the humidity control means 43 and is opened from the opening 47 to the front of the upper surface of the lid 42.

【００５５】そして、循環ダクト４８を介して野菜容器
３３の外周を後方に向けて低温室３０の戻り空気と低温
室３０への低温の吐出冷気の一部が混合された混合冷気
が対流する。Then, the return air of the low-temperature chamber 30 and the mixed cool air in which a part of the low-temperature discharge cool air is mixed into the low-temperature chamber 30 flow through the circulation duct 48 with the outer periphery of the vegetable container 33 facing backward.

【００５６】その後野菜容器３３の背面に沿って戻り空
気が流れ、野菜室３１内の奥面上部に設けた冷気戻り口
４９より第１の帰還ダクト５１を介して冷却器３５に帰
還する。Thereafter, return air flows along the back surface of the vegetable container 33 and returns to the cooler 35 via the first return duct 51 from the cool air return port 49 provided in the upper part of the back of the vegetable compartment 31.

【００５７】このため、野菜容器３３の間接冷却効果が
高められ、収納品がより十分に冷却され、野菜室３１の
温度のより低温化を図って鮮度の維持向上が図れ、扉開
閉などによる温度上昇を抑制しやすくなるなど、より一
層野菜，果物類の長期保存管理が可能となる。For this reason, the indirect cooling effect of the vegetable container 33 is enhanced, the stored items are cooled more sufficiently, the temperature of the vegetable compartment 31 is lowered, and the freshness is maintained and improved. Long-term preservation management of vegetables and fruits becomes possible, for example, by suppressing the rise easily.

【００５８】（実施例４）図１は本発明の実施例４によ
る縦断面図である。図５は同実施例３の正面斜視図であ
る。(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.

【００５９】図１，図５において、５８は連通ダクト５
２に設けた遮断部である。以上のように構成された冷蔵
庫について、以下その動作を説明する。In FIGS. 1 and 5, 58 is a communication duct 5
2 is a blocking unit. The operation of the refrigerator configured as described above will be described below.

【００６０】冷却器３５で冷却された冷気は送風機３６
によって冷凍室の吐出ダクト３６を介して冷凍室に通風
され、約−１８℃などの適温に維持される。また、冷却
器３５で冷却された冷気は送風機３６によって冷蔵室の
吐出ダクト３６を介して冷蔵室に通風され、ダンパー装
置４０により冷蔵室２５に適量の冷気が送り込まれて約
４℃などの適温に維持される。The cool air cooled by the cooler 35 is supplied to a blower 36
Accordingly, 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 about -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 cool air is sent to the refrigerating room 25 by the damper device 40, so that an appropriate temperature such as about 4 ° C. Is maintained.

【００６１】また、冷却器３５で冷却された冷気は送風
機３６によって低温室３０の吐出ダクト３９を介して低
温室３０に通風され、ダンパー装置４１により低温室３
０に適量の冷気が送り込まれて約−３℃などの適温に維
持される。The cool air cooled by the cooler 35 is blown by the blower 36 to the low temperature chamber 30 through the discharge duct 39 of the low temperature chamber 30, and the low temperature chamber 3 is damped by the damper device 41.
A suitable amount of cold air is fed into the tube at 0 and maintained at a suitable temperature such as about -3 ° C.

【００６２】このとき、ダンパー装置４１を通過した冷
気の一部は低温分岐バイパス口５６より低温分岐バイパ
スダクト５７に流入し、低温室３０を介さないで直接野
菜室３１の通風ダクト４６に導かれる。一方これと低温
室３０を冷却した戻り空気と低温吸い込みダクト４５を
介して通風ダクト４６に導かれる。At this time, part of the cool air that has passed through the damper device 41 flows into the low-temperature branch bypass duct 57 from the low-temperature branch bypass port 56 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, it is guided to the ventilation duct 46 via the low-temperature suction duct 45 and the return air that has cooled the low-temperature chamber 30.

【００６３】そのとき、通風ダクト４６から連通ダクト
５２に流入する冷気は遮断部５８によりすべて調湿手段
４３の上面空間をバイパスして開口部４７から蓋体４２
の上面前方に開放され、循環ダクト４８を介して野菜容
器３３の外周を後方に向けて低温室３０の戻り空気と低
温室３０への低温の吐出冷気の一部が混合された混合冷
気が対流する。At this time, all the cool air flowing into the communication duct 52 from the ventilation duct 46 bypasses the upper surface space of the humidity control means 43 by the blocking portion 58 and the opening 47 opens the lid 42.
The upper surface is opened forward, and the return air of the low-temperature chamber 30 and a part of the low-temperature discharge cool air into the low-temperature chamber 30 are mixed with the return air of the low temperature chamber 30 facing the rear of the vegetable container 33 through the circulation duct 48 convection. I do.

【００６４】その後野菜容器３３の背面に沿って戻り空
気が流れ、野菜室３１内の奥面上部に設けた冷気戻り口
４９より帰還ダクト５１を介して冷却器３５に帰還す
る。このため、通風ダクト４６内の風量が増大し、より
一層冷却能力が高くなる。Thereafter, 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 at the upper part inside the vegetable compartment 31. For this reason, the air volume in the ventilation duct 46 increases, and the cooling capacity further increases.

【００６５】そして、通風ダクト４６より野菜容器３３
の外周循環ダクト４８にこの冷気が供給されるため、野
菜容器３３の間接冷却効果が一層高められる。このた
め、野菜室温度の一層の低温化を図って鮮度の維持向上
が図れ、扉開閉などの温度上昇に対してさらなる冷却余
力が確保できるなど安定した、変動の少ない、より一層
野菜，果物類の長期保存管理に対応しやすくなる。Then, the vegetable container 33 is moved from the ventilation duct 46.
This cool air is supplied to the outer peripheral circulation duct 48, so that the indirect cooling effect of the vegetable container 33 is further enhanced. Therefore, the temperature of the vegetable compartment can be further lowered to maintain and improve the freshness, and a further cooling margin can be secured against the temperature rise due to the opening and closing of the door. For long-term preservation management.

【００６６】[0066]

【発明の効果】以上のように本発明の冷蔵庫は、上部に
低温室を内蔵した冷蔵室と、下部に冷凍室と、中央部に
野菜室を備え、野菜容器を覆う蓋体の上面に設けられて
冷蔵室の吸い込みダクトに連通する通風ダクトと、野菜
容器の外周に形成した循環ダクトと、野菜室奥面より冷
却器に連通する第１の帰還ダクトと、通風ダクトと第１
の帰還ダクトを連通する連通ダクトを連結構成したもの
であるため、使用頻度が高い野菜を使い勝手のよい中央
部で保存管理しながら、合理的に野菜室の冷却能力およ
び良好な温度分布が確保でき野菜，果物類の保存性を高
めることができる。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 that communicates with the suction duct of the refrigerator compartment, a circulation duct that is formed on the outer periphery of the vegetable container, a first return duct that communicates with the cooler from the back of the vegetable compartment, a ventilation duct, and a first ventilation duct.
The cooling duct and the good temperature distribution can be reasonably secured while maintaining and managing the frequently used vegetables in the convenient central part because the communication duct is connected to the return duct. Preservation of vegetables and fruits can be improved.

【００６７】また、冷蔵室への吐出ダクトの一部を通風
ダクトに分流させることによって、冷蔵室冷却用の低温
冷気の合流で野菜室の冷却能力をさらに高めることがで
き、野菜室の低温化による鮮度維持や実用時の温度上昇
への対応を図ることができる。Further, by diverting 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.

【００６８】また、低温室への吐出ダクトの一部を通風
ダクトに分流させることによって、低温室冷却用の低温
冷気の合流で野菜室の冷却能力をさらに高めることがで
き、野菜室の低温化による鮮度維持や、実使用時のドア
開閉による温度上昇への対応をより一層図ることができ
る。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 to cope with a rise in temperature caused by opening and closing the door in actual use.

【００６９】また、連通ダクトに遮断部を設けたことに
より、連通ダクトの遮断で通風ダクトの風量が増大し、
野菜室の冷却能力をより一層に高めることができ、野菜
室の低温化による鮮度維持や実用時の温度上昇への対応
をさらに強化することができる。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.

【００７０】また、野菜容器の蓋体奥部に、通風ダクト
と冷気戻り口に連通する戻りダクトを設けたことによっ
て、調湿手段からの透湿気が戻りダクトの対流により野
菜室上部に澱まず、結露，氷結が防止できる。Further, by providing a return duct communicating with the ventilation duct and the cool air return port at the back of the lid of the vegetable container, moisture permeation from the humidity control means does not settle on the upper part of the vegetable compartment due to convection of the return duct. , Condensation and icing can be prevented.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明による冷蔵庫の実施例１の縦断面図FIG. 1 is a longitudinal sectional view of Embodiment 1 of a refrigerator according to the present invention.

【図２】本発明による冷蔵庫の実施例１の正面斜視図FIG. 2 is a front perspective view of Embodiment 1 of the refrigerator according to the present invention.

【図３】本発明による冷蔵庫の実施例２の正面斜視図FIG. 3 is a front perspective view of Embodiment 2 of the refrigerator according to the present invention.

【図４】本発明による冷蔵庫の実施例３の正面斜視図FIG. 4 is a front perspective view of Embodiment 3 of the refrigerator according to the present invention.

【図５】本発明による冷蔵庫の実施例４の正面斜視図FIG. 5 is a front perspective view of a refrigerator according to a fourth embodiment of the present invention.

【図６】従来の冷蔵庫の縦断面図FIG. 6 is a longitudinal sectional view of a conventional refrigerator.

【符号の説明】[Explanation of symbols]

２５ 冷蔵室 ２７ 冷凍室 ３０ 低温室 ３１ 野菜室 ３３ 野菜容器 ３５ 冷却器 ４２ 蓋体 ４３ 調湿手段 ４４ 冷蔵室の吸い込みダクト ４５ 低温室の吸い込みダクト ４６ 通風ダクト ４７ 開口部 ４８ 循環ダクト ４９ 野菜室の冷気戻り口 ５０ 戻りダクト ５１ 第１の帰還ダクト ５２ 連通ダクト ５３ 第２の帰還ダクト ５５ 冷蔵分岐バイパスダクト ５７ 低温分岐バイパスダクト ５８ 遮断部 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 First return duct 52 Communication duct 53 Second return duct 55 Refrigerated branch bypass duct 57 Cold branch bypass duct 58 Shut-off part

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】 上部に冷蔵食品等を保存する冷蔵室と、
下部に冷凍食品等を保存する冷凍室と、中央部に野菜，
果物類等を保存する野菜室と、前記冷蔵室内に魚，肉類
等を低温で保存する低温室と、前記野菜室及び冷凍室の
背面に渡って配置された冷凍サイクルの冷却器と、前記
野菜室内に設けた野菜容器の上方開口面を覆う蓋体と、
前記蓋体の上面に設けられ前記冷蔵室の吸い込みダクト
と連通する通風ダクトと、前記通風ダクトに連通して前
記野菜容器の外周に形成された前方から後方に向かう循
環ダクトと、前記循環ダクトに連通して野菜室内奥面に
設けた冷気戻り口と、前記冷気戻り口より冷却器に連通
する第１の帰還ダクトと、前記通風ダクトと前記第１の
帰還ダクトを連通する連通ダクトと、前記低温室の吸い
込みダクトと、前記低温室の吸い込みダクトと前記冷却
器に連通する第２の帰還ダクトとより成る冷蔵庫。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 refrigerated room, a refrigerator for a refrigeration cycle arranged over the back of the vegetable room and the freezing room; A lid covering the upper opening surface of the vegetable container provided in the room,
A ventilation duct provided on the upper surface of the lid and communicating with the suction duct of the refrigerator compartment, a circulation duct extending from the front to the rear formed on the outer periphery of the vegetable container in communication with the ventilation duct, and the circulation duct A cool air return port provided in the back of the vegetable room in communication, a first return duct communicating from the cool air return port to a cooler, a communication duct communicating the ventilation duct and the first return duct, A refrigerator comprising: a suction duct of a low-temperature chamber; and a second return duct communicating with the suction duct of the low-temperature chamber and the cooler. 【請求項２】 冷蔵室への冷気吐出ダクトの一部を通風
ダクトに分流させた請求項１記載の冷蔵庫。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. 【請求項３】 上部に冷蔵食品等を保存する冷蔵室と、
下部に冷凍食品等を保存する冷凍室と、中央部に野菜，
果物類等を保存する野菜室と、前記冷蔵室内に魚，肉類
等を低温で保存する低温室と、前記野菜室及び冷凍室の
背面に渡って配置された冷凍サイクルの冷却器と、前記
野菜室内に設けた野菜容器の上方開口面を覆う蓋体と、
前記蓋体の上面に設けられ前記低温室の吸い込みダクト
と連通する通風ダクトと、前記通風ダクトに連通して前
記野菜容器の外周に形成された前方から後方に向かう循
環ダクトと、前記循環ダクトに連通して野菜室内奥面に
設けた冷気戻り口と、前記冷気戻り口より冷却器に連通
する第１の帰還ダクトと、前記通風ダクトと前記第１の
帰還ダクトを連通する連通ダクトと、低温室への冷気吐
出ダクトの一部を分流させる低温分岐バイパスダクト
と、前記冷蔵室の吸い込みダクトと、前記冷蔵室の吸い
込みダクトと前記冷却器に連通する第２の帰還ダクトと
より成る冷蔵庫。3. A refrigeration compartment for storing refrigerated foods and the like at the top,
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 refrigerated room, a refrigerator for a refrigeration cycle arranged over the back of the vegetable room and the freezing room; A lid covering the upper opening surface of the vegetable container provided in the room,
A ventilation duct that is provided on the upper surface of the lid and communicates with the suction duct of the low-temperature chamber, a circulation duct that communicates with the ventilation duct and extends from the front to the rear formed on the outer periphery of the vegetable container, and the circulation duct. A cool air return port communicating with the back side of the vegetable room, a first return duct communicating with the cooler from the cool air return port, a communication duct communicating the ventilation duct and the first return duct, A refrigerator comprising: a low-temperature branch bypass duct for diverting a part of a cool air discharge duct to a room; a suction duct for the cold room; and a second return duct communicating with the suction duct for the cold room and the cooler. 【請求項４】 通風ダクトと第１の帰還ダクトを連通す
る連通ダクトを遮断する遮断部を設けた請求項３記載の
冷蔵庫。4. The refrigerator according to claim 3, further comprising a blocking portion for blocking a communication duct that connects the ventilation duct and the first return duct. 【請求項５】 野菜容器の蓋体奥部に通風ダクトと、冷
気戻り口に連通する戻りダクトを設けた請求項１から請
求項４のいずれかに記載の冷蔵庫。5. The refrigerator according to claim 1, wherein a ventilation duct and a return duct communicating with a cool air return port are provided in a back portion of the lid of the vegetable container.