JPH05141840A - Cold storage box - Google Patents
Cold storage boxInfo
- Publication number
- JPH05141840A JPH05141840A JP30155891A JP30155891A JPH05141840A JP H05141840 A JPH05141840 A JP H05141840A JP 30155891 A JP30155891 A JP 30155891A JP 30155891 A JP30155891 A JP 30155891A JP H05141840 A JPH05141840 A JP H05141840A
- Authority
- JP
- Japan
- Prior art keywords
- cooler
- compartment
- cold storage
- refrigerating
- storage chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、冷蔵庫などの冷気を導
く風路の構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of an air passage for guiding cold air in a refrigerator or the like.
【0002】[0002]
【従来の技術】従来、冷凍室と冷蔵室等の複数の貯蔵室
を有し、冷気を導く風路の内、冷凍室の冷気吐出口は冷
凍室のコイルカバーの上部に設置している。2. Description of the Related Art Conventionally, a plurality of storage chambers such as a freezing chamber and a refrigerating chamber are provided, and a cold air discharge port of the freezing chamber is installed above a coil cover of the freezing chamber in an air passage for guiding cold air.
【0003】以下、図4,図5を参考に従来例(実開昭
49−21465号公報)を説明する。1は冷蔵庫本体
で外箱2,内箱3及びこれら両箱2,3間に充填された
発泡性断熱材4によって構成されている。5は冷凍室の
冷気を冷蔵室上部へ導く冷蔵室吐出ダクトで、冷蔵室内
箱に凸部6を形成し、その背面に設置された断熱体7お
よび該断熱体7を介して冷蔵室内箱3にネジ止めされた
鋼板製のダクト板8とより構成されている。A conventional example (Japanese Utility Model Laid-Open No. 49-21465) will be described below with reference to FIGS. 4 and 5. Reference numeral 1 denotes a refrigerator body, which is composed of an outer box 2, an inner box 3 and a foaming heat insulating material 4 filled between the boxes 2 and 3. Reference numeral 5 denotes a refrigerating compartment discharge duct that guides cold air from the freezing compartment to the upper part of the refrigerating compartment, which forms a convex portion 6 on the refrigerating compartment box, and a heat insulator 7 installed on the back surface thereof and the refrigerating compartment box 3 through the heat insulator 7. It is composed of a duct plate 8 made of a steel plate screwed to.
【0004】9はその冷凍室冷気取り込み口であり、1
0は冷蔵室冷気吐出口である。また11は冷蔵室吸い込
みダクトであり、12はその冷蔵室冷気吸い込み口であ
り、13は冷蔵室冷気戻り口である。14は冷蔵室吸い
込みダクト11の前方部に重合状態に設けた冷却器室
で、16は冷却器、19は冷凍室冷気吸込口、20は冷
凍室冷気吐出口であり、15はファンモータにより駆動
される送風機である。Reference numeral 9 denotes a cold air intake port of the freezing room, which is 1
Reference numeral 0 is a cold air discharge port of the refrigerating room. Further, 11 is a refrigerating room suction duct, 12 is a refrigerating room cold air suction port, and 13 is a refrigerating room cold air return port. Reference numeral 14 is a cooler room provided in a superposed state in the front part of the refrigerating room suction duct 11, 16 is a cooler, 19 is a freezing room cold air suction port, 20 is a freezing room cold air discharge port, and 15 is driven by a fan motor. It is a blower.
【0005】以上のように構成された冷蔵庫において、
冷却器16で冷却された冷気はまず冷凍室18に冷却器
室14の冷凍室吐出口20から吐出され、実線矢印で示
したように循環し再び冷却器室16の下部の冷凍室冷気
吸入口19より吸引される。In the refrigerator constructed as described above,
The cool air cooled by the cooler 16 is first discharged into the freezer compartment 18 from the freezer compartment discharge port 20 of the cooler compartment 14, circulates as shown by the solid arrow, and again the freezer compartment cool air intake opening at the lower part of the cooler compartment 16. 19 is sucked.
【0006】一方冷凍室18に吐出された冷気の一部は
破線矢印で示すように冷凍室冷気取り込み口9から冷蔵
室吐出ダクト5内に入り、冷蔵室冷気吐出口10を通っ
て冷蔵室17内に入り、冷蔵室内を冷却後冷蔵室冷気吸
い込み口12から冷蔵室吸い込みダクト11内に入り、
冷蔵室冷気戻り口13を通って冷却器16の下部より吸
引され、それぞれの室17,18を適温に保持してい
る。On the other hand, a part of the cold air discharged into the freezing compartment 18 enters the freezing compartment cold air intake 9 into the refrigerating compartment discharge duct 5 as indicated by the broken line arrow, and passes through the refrigerating compartment cold air discharge opening 10 to cool the refrigerating compartment 17. After cooling inside the refrigerating chamber, it enters the refrigerating chamber suction duct 11 through the refrigerating chamber cold air suction port 12,
It is sucked from the lower portion of the cooler 16 through the cold air return port 13 of the refrigerating chamber to keep the respective chambers 17 and 18 at an appropriate temperature.
【0007】[0007]
【発明が解決しようとする課題】しかしながら上記のよ
うな構成では、冷蔵室からの冷気吸い込みダクトは、冷
却器の背面に設置されている為、ドア開閉が頻繁な高負
荷時、あるいはドア閉め忘れ等に於ける冷蔵室吸い込み
ダクト内の着霜を防止するのに、冷却器背面と冷蔵室吸
い込みダクト間の断熱厚さを確保する必要があり、更に
冷蔵室吸い込みダクト内と外箱間についても外箱表面が
結露する可能性があり断熱材を厚くする必要があり、そ
の結果外箱からコイルカバ−迄の寸法がかなり必要とな
り冷凍室内の容量を十分確保出来ないという課題があっ
た。However, in the above-mentioned structure, since the cold air suction duct from the refrigerating chamber is installed on the back side of the cooler, the door is frequently opened and closed under a high load, or the door is forgotten to be closed. In order to prevent frost from forming inside the refrigerating room suction duct, it is necessary to secure a heat insulating thickness between the back of the cooler and the refrigerating room suction duct, and also between the refrigerating room suction duct and the outer case. There is a possibility that dew may condense on the surface of the outer box, and it is necessary to thicken the heat insulating material. As a result, the size from the outer box to the coil cover is considerably required, and there is a problem that the capacity of the freezing compartment cannot be secured sufficiently.
【0008】また、冷蔵室吸い込みダクトが狭い為、冷
却器の一部分に冷気が戻され局部的に着霜し目詰まり性
が悪いという課題もあった。Further, since the suction duct for the refrigerating compartment is narrow, there is a problem that cold air is returned to a part of the cooler and frost is locally formed to cause poor clogging.
【0009】本発明は冷凍室の容積効率を向上し、目詰
まり性を改善した冷蔵庫を提供するものである。The present invention provides a refrigerator having improved freezing compartment volume efficiency and improved clogging.
【0010】[0010]
【課題を解決するための手段】上記課題を解決するため
本発明の冷蔵庫は、外箱と、内箱と、発泡断熱材と、区
画壁により区画された上部の冷蔵室と、下部の冷凍室
と、前記冷凍室の背面に設置した冷却器と、前記冷却器
と冷凍室とを区画する断熱壁Aと、前記冷却器で熱交換
された冷気を冷蔵室及び冷凍室へ循環せしめるコイルカ
バーと、送風機と、前記冷蔵室からの冷却器側面下部に
連通する冷蔵室吸い込みダクトと、前記冷蔵室吸い込み
ダクトと冷却器とを区画する断熱壁Bと、前記冷蔵室吸
い込みダクトを冷却器の左右両方の側面部に設置してな
るものである。In order to solve the above problems, a refrigerator according to the present invention comprises an outer box, an inner box, a foam insulation material, an upper refrigerating compartment partitioned by partition walls, and a lower freezer compartment. A cooler installed on the back surface of the freezer compartment, a heat insulating wall A for partitioning the cooler and the freezer compartment, and a coil cover for circulating cold air heat-exchanged by the cooler to the refrigerating compartment and the freezer compartment. A blower, a refrigerating compartment suction duct communicating with the lower part of the cooler compartment from the refrigerating compartment, a heat insulating wall B partitioning the refrigerating compartment suction duct and the cooler, and the refrigerating compartment suction duct on both the left and right sides of the cooler It is installed on the side of the.
【0011】[0011]
【作用】本発明の冷蔵庫は上記構成としたもので、冷却
器で熱交換された冷気は送風機によって冷蔵室内を循環
し、冷却器両側面下部に連通する冷蔵室吸い込みダクト
を通って冷却器に戻る。The refrigerator of the present invention has the above-mentioned structure. The cool air, which has been heat-exchanged by the cooler, is circulated in the refrigerating chamber by the blower and is passed to the cooler through the refrigerating chamber suction ducts communicating with the lower side surfaces of the cooler. Return.
【0012】[0012]
【実施例】以下本発明の一実施例について図面を参照し
ながら説明する。なお従来例と同一構成部品は同一番号
を付して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. The same components as those of the conventional example will be described with the same reference numerals.
【0013】1は冷蔵庫本体で外箱2、内箱3及びこれ
ら両箱2,3間に充填された発泡性断熱材4によって構
成されている。21は区画壁であり、上部に冷蔵室2
2、下部に冷凍室23を区画形成している。24は冷却
器25で冷却された冷気を冷蔵室22及び冷凍室23へ
強制循環させる送風機である。26は冷却器25と冷凍
室23とを区画する断熱材Aであり、27は冷却器25
で冷却された冷気を冷蔵室22及び冷凍室23に冷気分
配するカバ−コイルであり、冷凍室吐出口28及び冷凍
室吸い込み口29を設けている。30は送風機24によ
り冷気を冷蔵室22へ導く冷蔵室吐出ダクトである。Reference numeral 1 denotes a refrigerator body, which is composed of an outer box 2, an inner box 3 and a foaming heat insulating material 4 filled between the boxes 2 and 3. 21 is a partition wall, and a refrigerating room 2 is provided above.
2. A freezer compartment 23 is formed in the lower part. Reference numeral 24 is a blower for forcibly circulating the cool air cooled by the cooler 25 to the refrigerating compartment 22 and the freezing compartment 23. Reference numeral 26 is a heat insulating material A for partitioning the cooler 25 and the freezer compartment 23, and 27 is the cooler 25.
The cover coil is a cover coil for distributing the cool air cooled by the cold air to the refrigerating compartment 22 and the freezing compartment 23, and is provided with a freezing compartment discharge port 28 and a freezing compartment suction port 29. Reference numeral 30 denotes a refrigerating compartment discharge duct that guides cool air to the refrigerating compartment 22 by the blower 24.
【0014】31は冷蔵室吐出ダクト30へ連通する冷
蔵室冷気取り込み口であり、32は冷蔵室冷気吐出口で
あり、冷蔵室の複数個の棚33に均一に冷気を吐出する
よう複数個設けられている。また34は、冷蔵室吸い込
み口であり、35は前記冷蔵室吸い込み口34と連結し
た冷蔵室吸い込みダクトであり、冷却器25の両側面部
に設けられている。36は冷蔵室冷気取り込み口31及
び冷凍室23、冷蔵室吸い込みダクト35とを区画する
断熱材Bである。また、冷蔵室吸い込みダクト35は、
冷却器25の両側面下部に連通している。Reference numeral 31 is a refrigerating compartment cool air intake port communicating with the refrigerating compartment discharge duct 30, 32 is a refrigerating compartment cool air discharge port, and a plurality of refrigerating compartment cold air discharge ports are provided so as to uniformly discharge the cool air. Has been. Reference numeral 34 is a refrigerating compartment suction port, and 35 is a refrigerating compartment suction duct connected to the refrigerating compartment suction port 34, which are provided on both side surfaces of the cooler 25. Reference numeral 36 is a heat insulating material B that partitions the refrigerating compartment cold air intake port 31, the freezing compartment 23, and the refrigerating compartment suction duct 35. In addition, the refrigerating room suction duct 35,
It communicates with the lower parts of both side surfaces of the cooler 25.
【0015】かかる構成に於いて、冷却器25で熱交換
され冷却された冷気は送風機24によりコイルカバ−2
7に設けられた複数個の冷気吐出口28より冷凍室23
内に吐出される。そして冷凍室23内を循環して、再び
冷凍室冷気吸い込み口29に吸い込まれ冷却器25の下
部に吸引される。一方冷蔵室22については、カバ−コ
イル27により分流された冷気は冷却器25の上部にあ
る冷蔵室冷気取り込み口31を介して冷蔵室吐出ダクト
30を流れ、冷蔵室冷気吐出口32より冷蔵室22内の
複数個の棚33に均一に吐出される。In such a structure, the cool air that has been heat-exchanged and cooled by the cooler 25 is coiled by the blower 24.
7. A plurality of cold air discharge ports 28 provided in the freezing chamber 23
Is discharged inside. Then, it circulates in the freezer compartment 23, is sucked into the freezer compartment cool air suction port 29 again, and is sucked into the lower part of the cooler 25. On the other hand, in the refrigerating compartment 22, the cold air diverted by the cover coil 27 flows through the refrigerating compartment cold air intake duct 31 in the upper part of the cooler 25 through the refrigerating compartment discharge duct 30, and from the refrigerating compartment cold air discharge outlet 32. It is evenly discharged onto the plurality of shelves 33 in 22.
【0016】冷蔵室22内を循環した冷気は、再び冷蔵
室吸い込み口34を介して冷蔵室吸い込みダクト35よ
り冷却器25の両側面下部から冷却器25に戻る。The cold air circulated in the refrigerating compartment 22 returns to the cooler 25 from the lower portions of both side surfaces of the cooler 25 through the refrigerating compartment suction duct 35 through the refrigerating compartment suction port 34 again.
【0017】以上のような構成であるから、冷蔵室22
内からの冷蔵室吸い込みダクト35を冷却器25の両側
面部に設置したので冷却器25の背面の断熱材を厚くす
る必要がなく薄壁化が図られ、冷凍室23内の容量が確
保でき容積効率を向上させることができる。またドア−
開閉が頻繁な高負荷時等の冷却器25への着霜分散化が
図られ冷却器25の目詰まりに起因する冷却不足を解消
する事ができる。Because of the above structure, the refrigerator compartment 22
Since the refrigerating room suction ducts 35 from inside are installed on both side parts of the cooler 25, it is not necessary to thicken the heat insulating material on the back side of the cooler 25, and a thin wall is achieved, so that the capacity in the freezing room 23 can be secured and the volume can be secured. The efficiency can be improved. Also the door
It is possible to disperse frost on the cooler 25 when the load is frequently opened and closed, and to eliminate the lack of cooling due to clogging of the cooler 25.
【0018】[0018]
【発明の効果】以上説明したように本発明の冷蔵庫は、
外箱と、内箱と、両箱間に充填された発泡断熱材と、区
画壁により区画された上部の冷蔵室と、下部の冷凍室
と、前記冷凍室の背面に設置した冷却器と、前記冷却器
と冷凍室とを区画する断熱壁Aと、前記冷却器で熱交換
された冷気を冷蔵室及び冷凍室へ循環せしめるコイルカ
バーと、送風機と、前記冷蔵室からの冷却器左右両側面
下部に連通する冷蔵室吸い込みダクトと、前記冷蔵室吸
い込みダクトと冷却器とを区画する断熱壁Bと、前記冷
蔵室吸い込みダクトを冷却器の左右両方の側面部に設置
して構成されているので冷却器の背面の断熱材を厚くす
る必要がなく薄壁化が図れ、冷凍室の容積効率を向上さ
せることができる。また、ドア−開閉が頻繁な高負荷時
等の冷却器への着霜分散化が図られ冷却器の目詰まりに
起因する冷却不足を解消することができる。As described above, the refrigerator of the present invention is
An outer box, an inner box, a foam insulation material filled between both boxes, an upper refrigerating compartment partitioned by partition walls, a lower freezer compartment, and a cooler installed on the back surface of the freezer compartment, A heat insulating wall A that divides the cooler and the freezer compartment, a coil cover that circulates the cold air that has been heat-exchanged in the cooler into the refrigerating compartment and the freezer compartment, a blower, and left and right side surfaces of the cooler from the refrigerating compartment. Since the refrigerating compartment suction duct communicating with the lower part, the heat insulating wall B partitioning the refrigerating compartment suction duct and the cooler, and the refrigerating compartment suction duct are installed on both left and right side surfaces of the cooler. It is not necessary to increase the thickness of the heat insulating material on the back surface of the cooler, and the wall thickness can be reduced, so that the volumetric efficiency of the freezer can be improved. Further, the frost dispersion on the cooler at the time of high load such as frequent door opening / closing can be achieved, and the insufficient cooling due to the clogging of the cooler can be eliminated.
【図1】本発明の一実施例を示す冷蔵庫の縦断面図FIG. 1 is a vertical sectional view of a refrigerator showing an embodiment of the present invention.
【図2】同冷蔵庫の庫内部品を外した正面図FIG. 2 is a front view of the refrigerator with internal parts removed.
【図3】同冷蔵庫の冷却器周辺の横断面図FIG. 3 is a transverse cross-sectional view around the cooler of the refrigerator.
【図4】従来の冷蔵庫の庫内正面図FIG. 4 is a front view of the inside of a conventional refrigerator.
【図5】従来の冷蔵庫の縦断面図FIG. 5 is a vertical sectional view of a conventional refrigerator.
2 外箱 3 内箱 4 発泡断熱材 21 区画壁 22 冷蔵室 23 冷凍室 24 送風機 25 冷却器 26 断熱壁A 27 コイルカバ− 35 冷蔵室吸い込みダクト 36 断熱壁B 2 Outer Box 3 Inner Box 4 Foam Insulation 21 Partition Wall 22 Refrigerator 23 Freezer 24 Blower 25 Cooler 26 Insulation Wall A 27 Coil Cover 35 Refrigerator Suction Duct 36 Insulation Wall B
Claims (1)
泡断熱材と、区画壁により区画された上部の冷蔵室と、
下部の冷凍室と、前記冷凍室の背面に設置した冷却器
と、前記冷却器と冷凍室とを区画する断熱壁Aと、前記
冷却器で熱交換された冷気を冷蔵室及び冷凍室へ循環せ
しめるコイルカバーと、送風機と、前記冷蔵室より前記
冷却器の両側面に設けられ前記冷却器の下部に連通する
冷蔵室吸い込みダクトと、前記冷蔵室吸い込みダクトと
冷却器とを区画する断熱壁Bとよりなる冷蔵庫。1. An outer box, an inner box, a foamed heat insulating material filled between the boxes, and an upper refrigerating compartment defined by partition walls.
A lower freezer compartment, a cooler installed on the back surface of the freezer compartment, a heat insulating wall A for partitioning the cooler and the freezer compartment, and cold air heat-exchanged by the cooler is circulated to the refrigerator compartment and the freezer compartment. A cooling coil cover, a blower, a refrigerating compartment suction duct which is provided on both sides of the refrigerating compartment from the refrigerating compartment and communicates with a lower part of the cooler, and a heat insulating wall B for partitioning the refrigerating compartment suction duct and the cooler. And a refrigerator consisting of.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30155891A JPH05141840A (en) | 1991-11-18 | 1991-11-18 | Cold storage box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30155891A JPH05141840A (en) | 1991-11-18 | 1991-11-18 | Cold storage box |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05141840A true JPH05141840A (en) | 1993-06-08 |
Family
ID=17898384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30155891A Pending JPH05141840A (en) | 1991-11-18 | 1991-11-18 | Cold storage box |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH05141840A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003314952A (en) * | 2003-04-18 | 2003-11-06 | Sanyo Electric Co Ltd | Refrigerator |
JP2014238185A (en) * | 2013-06-06 | 2014-12-18 | パナソニック株式会社 | Refrigerator |
WO2015178026A1 (en) * | 2014-05-22 | 2015-11-26 | パナソニックIpマネジメント株式会社 | Refrigerator |
JP2017110823A (en) * | 2015-12-14 | 2017-06-22 | 青島海爾股▲フン▼有限公司 | refrigerator |
-
1991
- 1991-11-18 JP JP30155891A patent/JPH05141840A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003314952A (en) * | 2003-04-18 | 2003-11-06 | Sanyo Electric Co Ltd | Refrigerator |
JP2014238185A (en) * | 2013-06-06 | 2014-12-18 | パナソニック株式会社 | Refrigerator |
WO2015178026A1 (en) * | 2014-05-22 | 2015-11-26 | パナソニックIpマネジメント株式会社 | Refrigerator |
JP2015222129A (en) * | 2014-05-22 | 2015-12-10 | パナソニックIpマネジメント株式会社 | refrigerator |
JP2017110823A (en) * | 2015-12-14 | 2017-06-22 | 青島海爾股▲フン▼有限公司 | refrigerator |
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