JPH071142B2 - refrigerator - Google Patents
refrigeratorInfo
- Publication number
- JPH071142B2 JPH071142B2 JP28448788A JP28448788A JPH071142B2 JP H071142 B2 JPH071142 B2 JP H071142B2 JP 28448788 A JP28448788 A JP 28448788A JP 28448788 A JP28448788 A JP 28448788A JP H071142 B2 JPH071142 B2 JP H071142B2
- Authority
- JP
- Japan
- Prior art keywords
- refrigerator
- inner box
- duct part
- cold air
- lower layer
- 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.)
- Expired - Lifetime
Links
- 238000005057 refrigeration Methods 0.000 claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 10
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Description
【発明の詳細な説明】 （イ） 産業上の利用分野 本発明は、冷蔵庫本体の内側に間隙を有して冷蔵室用内
箱を配設し、該冷蔵室用内箱の上部、側部及び底部の間
隙に順次、冷凍装置の循環冷気を供給してなる冷蔵庫に
関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention provides an inner box for a refrigerating compartment with a gap inside a refrigerator body, and the upper and side portions of the inner box for a refrigerating compartment. Also, the present invention relates to a refrigerator in which circulating cold air of a refrigerating device is sequentially supplied to a gap at the bottom.
（ロ） 従来の技術 本発明に先行する実開昭60−93882号公報に記載された
従来の冷蔵庫では、冷凍装置で発生した冷気を、順次、
冷蔵室用内箱の上部、側部及び底部の間隙に供給して帰
還させている。(B) Conventional technology In the conventional refrigerator described in Japanese Utility Model Laid-Open No. 60-93882, which precedes the present invention, the cold air generated in the refrigerating device is
It is fed back to the gaps at the top, sides and bottom of the cold storage box.
しかしながらこの種従来の冷蔵庫では、前記冷凍装置の
冷気はその供給開始流路においては多量に冷却熱を保有
しているもののその帰還流路においては冷却熱の保有量
が減少し冷却機能の低いものになり、この帰還流路に位
置する内箱部位は内箱上部との間で冷却の不均一状態を
生じ、従って、冷蔵室の温度も不均一となる欠点があ
る。However, in this type of conventional refrigerator, although the cooling air of the refrigerating device has a large amount of cooling heat in its supply start flow path, the amount of cooling heat held in its return flow path is low and the cooling function is low. Therefore, the inner box portion located in the return flow path has a non-uniform cooling state with the upper part of the inner box, so that the temperature of the refrigerating compartment is also non-uniform.
（ハ） 発明が解決しようとする課題 本発明は前述の欠点を解消し、冷蔵室の温度が均一で熱
効率の高い冷蔵庫を提供するものである。(C) Problem to be Solved by the Invention The present invention solves the above-mentioned drawbacks and provides a refrigerator having a uniform temperature in the refrigerating compartment and high thermal efficiency.
（ニ） 課題を解決するための手段 本発明は、冷蔵庫本体の内側に間隙を有して冷蔵室用内
箱を配設し、該冷蔵室用内箱の上部、側部及び底部の間
隙に順次、冷凍装置の循環冷気を供給してなるものであ
って、 前記上部の間隙に上層と下層とで２重にダクト部を形成
し、前記循環冷気を上層ダクト部の通気口から下層ダク
ト部に供給すると共に、前記通気口を、その開口面積比
率について前記ダクト部の下流側部位で上流側部位より
も大きく形成したものである。(D) Means for Solving the Problems The present invention provides a refrigerator compartment inner box having a gap inside the refrigerator body, and the refrigerator compartment inner box is provided with a gap between the upper portion, the side portion, and the bottom portion. Circulating cold air of a refrigerating device is sequentially supplied, and a duct portion is formed in a double manner in an upper gap between an upper layer and a lower layer, and the circulating cold air is passed from a vent hole of the upper duct portion to a lower duct portion. In addition, the ventilation port is formed so that the opening area ratio thereof is larger in the downstream side portion than in the upstream side portion of the duct portion.
（ホ） 作用 本発明によれば、冷凍装置の循環冷気は、冷蔵室用内箱
の上部の上層ダクト部から下層ダクト部に供給されると
共に、下層ダクト部の冷気供給量は通気口の開口面積比
率に対応して下流側で増加するようになり、この下流側
の冷気増加量分だけ、その下流側更には帰還流路の冷却
熱量が補われるようになり、従って、冷蔵室用内箱更に
は冷蔵室の温度は、均一化されるようになる。(E) Operation According to the present invention, the circulating cold air of the refrigerating apparatus is supplied from the upper layer duct part of the upper part of the refrigerating chamber inner box to the lower layer duct part, and the cold air supply amount of the lower layer duct part is the opening of the vent hole. The downstream side increases in proportion to the area ratio, and the cooling heat amount of the downstream side and the return flow passage is compensated by the amount of the increased cool air on the downstream side. Furthermore, the temperature of the refrigerating compartment is made uniform.
（ヘ） 実施例 次に本発明の一実施例について説明する。(F) Example Next, an example of the present invention will be described.
第１図において、（１）は冷蔵庫本体で、その外箱
（２）に断熱材（３）（後記する）を充填すると共に、
この外箱（２）の内箱に間隙（４）（後記する）を有し
て冷蔵室用内箱（５）を配設している。（６）（７）は
冷蔵室用内箱（５）の前面開口を閉塞する扉体で、それ
ぞれ把手（８）（９）を有しこの把手（８）（９）に対
する反対側の端部で冷蔵庫本体（１）に回動自在に枢支
されている。（10）は操作パネル部（11）を有する前面
板で、その裏面側の機械室（12）（後記する）に通風す
るための透孔（13）（13）…を多数、形成している。
（14）（14）は冷蔵庫本体（１）の支持脚、（15）はド
レイン排出用パイプである。In FIG. 1, (1) is a refrigerator main body, and an outer box (2) thereof is filled with a heat insulating material (3) (described later),
An inner box (5) for a refrigerating room is arranged with a gap (4) (described later) in the inner box of the outer box (2). (6) and (7) are doors for closing the front opening of the refrigerator compartment inner box (5), which have handles (8) and (9) respectively, and end portions on the opposite side to the handles (8) and (9). Is rotatably supported by the refrigerator body (1). Reference numeral (10) is a front plate having an operation panel section (11), and has a large number of through holes (13) (13) ... for ventilating a machine room (12) (described later) on the back side thereof. .
(14) and (14) are support legs of the refrigerator body (1), and (15) is a drain discharge pipe.
第２図、第３図及び第４図において、（16）は前記機械
室（12）に配設した圧縮機、（17）は圧縮機（16）の下
流側に配管接続した凝縮器、（18）は凝縮器（17）及び
圧縮器（16）を冷却するための機械室設置ファンであ
る。（19）は凝縮器（17）の下流側に減圧装置（図示し
ない）を介して配管接続した冷却器、（20）は冷却器
（19）に隣接した冷気循環ファンである。前記各機器
（16）（17）（18）（19）（20）等によって冷凍装置
（21）が形成されている。冷凍装置（21）では、その循
環冷気を、ダクト部（22）から冷蔵室用内箱（５）の上
部間隙（4a）、背面部間隙（4b）、側部間隙（4c）及び
底部間隙（4d）に順次、供給しその後帰還させている。In FIGS. 2, 3, and 4, (16) is a compressor arranged in the machine room (12), (17) is a condenser pipe-connected downstream of the compressor (16), Reference numeral 18) is a machine room installed fan for cooling the condenser (17) and the compressor (16). Reference numeral (19) is a cooler pipe-connected to the downstream side of the condenser (17) via a pressure reducing device (not shown), and reference numeral (20) is a cool air circulation fan adjacent to the cooler (19). A refrigeration system (21) is formed by the devices (16) (17) (18) (19) (20) and the like. In the refrigeration system (21), the circulating cold air is supplied from the duct part (22) to the upper space (4a), the rear space (4b), the side space (4c) and the bottom space (4a) of the cold storage compartment inner box (5). It is sequentially supplied to 4d) and then returned.
而して前記ダクト部（22）は、上層と下層とで２重にダ
クト部（23）（24）を形成し、冷凍装置（21）の循環冷
気を上層ダクト部（23）の通気口（25）（25）…から、
下層ダクト部（24）に供給すると共に、前記通気口（2
5）（25）…を第５図に示すように、開口面積比率につ
いてダクト部（22）の下流側部位（22d）を上流側部位
（22u）よりも大きく形成してある。前記通気口（25）
（25）……は、具体的にはダクト部（22）の下流側部位
（22d）に向かって次第に大きくなるように形成してあ
る。前記ダクト部（22）については第６図に示すよう
に、その通気口（26）（26）…を下両側部位（22d）の
通気口（26）だけを特別、大きく形成するものも、また
第７図（ａ）（ｂ）に示すように、同じ大きさの通気口
（27）（27）…を下流側部位（22d）に向かって次第に
高密度化し且つ下層ダクト部（24）を拡張方向で、テー
パー形成するものも実施される。Thus, the duct part (22) has a double duct part (23) (24) formed of an upper layer and a lower layer, and circulates cold air from the refrigeration system (21) into a vent hole () of the upper layer duct part (23). From 25) (25) ...
While supplying to the lower layer duct part (24),
5) (25) ... As shown in FIG. 5, the downstream area (22d) of the duct portion (22) is formed larger than the upstream area (22u) in terms of the opening area ratio. Vent (25)
(25) ... are specifically formed so as to gradually increase toward the downstream side portion (22d) of the duct portion (22). As for the duct part (22), as shown in FIG. 6, the vents (26), (26), etc., in which only the vents (26) of the lower both side parts (22d) are formed to be special and large, As shown in FIGS. 7 (a) and 7 (b), the vent holes (27) (27) of the same size are gradually densified toward the downstream side portion (22d) and the lower duct portion (24) is expanded. In the direction, a taper forming is also performed.
前記冷蔵庫では、冷凍装置（21）の循環冷気は、冷蔵室
用内箱（５）の上部の上層ダクト部（23）から下層ダク
ト部（24）に供給されると共に、下層ダクト部（24）の
冷気供給量は通気口（25）（25）…等の開口面積比率に
対応して下流側で増加するようになり、この下流側の冷
気増加量分だけ、その下流側更には帰還流路（4d）の冷
却熱量が補なわれるようになり、従って、冷蔵室用内箱
（５）更には冷蔵室（5a）の温度は、均一化されるよう
になる。In the refrigerator, the circulating cold air of the refrigeration system (21) is supplied from the upper layer duct part (23) of the upper part of the refrigerator compartment inner box (5) to the lower layer duct part (24), and at the same time, the lower layer duct part (24). The amount of cold air supplied to the air will increase on the downstream side in accordance with the opening area ratio of the vents (25) (25), etc. The amount of cooling heat of (4d) is supplemented, and therefore, the temperature of the inner box (5) for the refrigerating compartment and the temperature of the refrigerating compartment (5a) are made uniform.
（ト） 発明の効果 本発明は以上のように構成したから、冷凍装置の循環冷
気は、冷蔵室用内箱の上部の上層ダクト部から下層ダク
ト部に供給されると共に、下層ダクト部の冷気供給量は
通気口の開口面積比率に対応して下流側で増加するよう
になり、この下流側の冷気増加量分だけ、その下流側更
には帰還流路の冷却熱量が補なわれるようになり、よっ
て冷蔵室用内箱の温度が均一化し、従って、冷蔵室の温
度が均一で熱効率の高い冷蔵庫を提供できる。(G) Effect of the Invention Since the present invention is configured as described above, the circulating cold air of the refrigerating apparatus is supplied to the lower layer duct portion from the upper layer duct portion of the upper part of the inner box for the refrigerating chamber, and the cool air of the lower layer duct portion is also supplied. The supply amount will increase on the downstream side according to the opening area ratio of the ventilation port, and the amount of cooling heat on the downstream side and on the return flow path will be compensated by the amount of cooling air on the downstream side. Therefore, the temperature of the inner box for the refrigerating compartment is made uniform, so that the refrigerator having the uniform temperature in the refrigerating compartment and high thermal efficiency can be provided.
第１図乃至第５図は本発明の一実施例を示し、第１図は
正面図、第２図は正面方向からみた縦断面図、第３図は
横断面図、第４図は側面方向からみた縦断面図、第５図
は要部の構成部材の斜視図である。第６図は他の実施例
の要部の説明図、第７図（ａ）（ｂ）は更に他の実施例
の要部の説明図である。 （１）……冷蔵庫本体、（４）……間隙、（4a）……上
部間隙、（4c）……側部間隙、（4d）……底部間隙、
（５）……冷蔵室用内箱、（21）……冷凍装置、（22）
……ダクト部、（22d）……下流側部位、（22u）……上
流側部位、（23）……上層ダクト部、（24）……下層ダ
クト部、（25）（26）（27）……通気口。1 to 5 show an embodiment of the present invention, in which FIG. 1 is a front view, FIG. 2 is a longitudinal sectional view as seen from the front direction, FIG. 3 is a lateral sectional view, and FIG. FIG. 5 is a longitudinal sectional view as seen from the perspective, and FIG. 5 is a perspective view of the constituent members of the main part. FIG. 6 is an explanatory view of a main part of another embodiment, and FIGS. 7A and 7B are explanatory views of a main part of still another embodiment. (1) …… Refrigerator body, (4) …… Gap, (4a) …… Top gap, (4c) …… Side gap, (4d) …… Bottom gap,
(5) …… Internal box for refrigerating room, (21) …… Refrigerator, (22)
...... Duct part, (22d) ...... Downstream part, (22u) …… Upstream part, (23) …… Upper layer duct part, (24) …… Lower layer duct part, (25) (26) (27) ……vent.
Claims (1)
内箱を配設し、該冷蔵室用内箱の上部、側部及び底部の
間隙に順次、冷凍装置の循環冷気を供給してなるもので
あって、 前記上部の間隙に上層と下層とで２重にダクト部を形成
し、前記循環冷気を上層ダクト部の通気口から下層ダク
ト部に供給すると共に、前記通気口を、その開口面積比
率について前記ダクト部の下流側部位で上流側部位より
も大きく形成したことを特徴とする冷蔵庫。1. A refrigerator compartment inner box is provided with a gap inside the refrigerator body, and the circulating cold air of the refrigeration system is sequentially supplied to the gaps at the top, sides and bottom of the refrigerator compartment inner box. A duct part is formed in a double manner in the upper gap between the upper layer and the lower layer, and the circulating cold air is supplied from the ventilation hole of the upper layer duct part to the lower layer duct part, and the ventilation port is The refrigerator is characterized in that the opening area ratio is larger in the downstream side portion of the duct portion than in the upstream side portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28448788A JPH071142B2 (en) | 1988-11-10 | 1988-11-10 | refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28448788A JPH071142B2 (en) | 1988-11-10 | 1988-11-10 | refrigerator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02130379A JPH02130379A (en) | 1990-05-18 |
| JPH071142B2 true JPH071142B2 (en) | 1995-01-11 |
Family
ID=17679153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28448788A Expired - Lifetime JPH071142B2 (en) | 1988-11-10 | 1988-11-10 | refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH071142B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022163992A (en) * | 2021-04-15 | 2022-10-27 | 富士電機株式会社 | locker device |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2542979B2 (en) * | 1991-07-05 | 1996-10-09 | オリオン機械株式会社 | High humidity refrigerator |
| JP2519057Y2 (en) * | 1991-08-22 | 1996-12-04 | ホシザキ電機株式会社 | Refrigerator cold air circulation device |
| KR20030092637A (en) * | 2002-05-30 | 2003-12-06 | 캐리어엘지 유한회사 | Structure for air circulation in showcase |
| JP4823320B2 (en) * | 2009-01-16 | 2011-11-24 | 株式会社東洋製作所 | Cooling system |
-
1988
- 1988-11-10 JP JP28448788A patent/JPH071142B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022163992A (en) * | 2021-04-15 | 2022-10-27 | 富士電機株式会社 | locker device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02130379A (en) | 1990-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 14 Free format text: PAYMENT UNTIL: 20090111 |
|
| EXPY | Cancellation because of completion of term |