JPH04187974A - Refrigerator-freezer - Google Patents
Refrigerator-freezerInfo
- Publication number
- JPH04187974A JPH04187974A JP31858790A JP31858790A JPH04187974A JP H04187974 A JPH04187974 A JP H04187974A JP 31858790 A JP31858790 A JP 31858790A JP 31858790 A JP31858790 A JP 31858790A JP H04187974 A JPH04187974 A JP H04187974A
- Authority
- JP
- Japan
- Prior art keywords
- cooled air
- cold air
- room
- refrigerator
- compartment
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 22
- 238000007710 freezing Methods 0.000 claims abstract description 16
- 230000008014 freezing Effects 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009792 diffusion process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は仕切壁によって左右に仕切られる冷凍室及び冷
蔵室と、冷凍室側面に機械室を有し、冷凍室には冷却ユ
ニットを配置した冷凍冷蔵庫に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a refrigerator-freezer, which has a freezer compartment and a refrigerator compartment partitioned into left and right sides by a partition wall, a mechanical compartment on the side of the freezer compartment, and a cooling unit disposed in the freezer compartment. It is related to.
従来の技術
従来のこの種の冷凍冷蔵庫としては、例えば特開昭63
−129283号公報に示されるものがある。以下第4
図を参照しながら従来の冷凍冷蔵庫の一例について説明
する。BACKGROUND OF THE INVENTION Conventional refrigerators of this type include, for example, the Japanese Patent Application Laid-Open No. 63
There is one shown in Japanese Patent No.-129283. 4th below
An example of a conventional refrigerator-freezer will be described with reference to the drawings.
同図において、仕切壁1によって左右二室に仕切られ一
方を冷凍室2とするとともに、他方を冷蔵室3とし、仕
切壁1の後端部の上下には両室2゜3を連通ずる上部連
通路4と下部連通路5を形成する。仕切壁1に対向する
冷凍室2の側部には冷却ユニット室6が装設され、この
冷却ユニット室6には冷却器7と、冷気循環ファン8を
収容する。In the figure, a partition wall 1 divides the left and right into two compartments, one of which is a freezing compartment 2 and the other a refrigerator compartment 3, and above and below the rear end of the partition wall 1 is an upper part that communicates both compartments 2 and 3. A communicating path 4 and a lower communicating path 5 are formed. A cooling unit chamber 6 is installed on the side of the freezer compartment 2 facing the partition wall 1, and this cooling unit chamber 6 accommodates a cooler 7 and a cold air circulation fan 8.
上部に前記上部連通路4と対向するルーパル付冷気吐出
口9を形成すると共に、下部に前記下部連通路5と対向
するルーパ付冷気吸込口10を形成し、樹脂製ケース1
1と、冷凍室2と隣接して区画される機械室12と冷凍
室2の側壁13に貫通路14を介して冷却器7を設けて
いる。A cold air outlet 9 with a looper facing the upper communicating path 4 is formed in the upper part, and a cold air inlet 10 with a looper facing the lower communicating path 5 is formed in the lower part.
1, a machine room 12 and a side wall 13 of the freezer compartment 2, which are partitioned adjacent to each other, are provided with a cooler 7 via a through passage 14.
かかる構成において冷却ユニット室6の冷気吐出口9と
仕切壁1に形成した上部連通路4の間には、冷気供給ダ
クト15が配設され、冷気吸込口1oと仕切壁1に形成
した下部連通路6間には帰還ダクト16が配設されてい
る。In this configuration, a cold air supply duct 15 is disposed between the cold air outlet 9 of the cooling unit chamber 6 and the upper communication passage 4 formed in the partition wall 1, and a cold air supply duct 15 is provided between the cold air intake port 1o and the lower communication passage formed in the partition wall 1. A return duct 16 is arranged between the passages 6.
以上の様に構成された冷凍冷蔵庫の動作を以下説明する
。冷却器7で熱交換された冷気は循環ファン8によって
冷気吐出口9から吹出され、冷凍室2に強制循環され冷
凍室2を冷却する。一方冷気の一部は冷気供給ダクト1
5を通り上部連通路4から冷蔵室3に供給される。冷蔵
室3の帰還冷気は下部連通路6から帰還ダクト16を経
て出口開口から流出し冷気吸込口10の近傍において冷
凍室2の帰還冷気と混合状態になり冷凍室2へ拡散され
ることなく冷気吸込口1oから吸込まれ、再び冷却器7
から吸込まれ再び冷却器7において熱交換され冷気循環
動作を繰返す。The operation of the refrigerator-freezer configured as above will be explained below. The cold air that has undergone heat exchange in the cooler 7 is blown out from a cold air discharge port 9 by a circulation fan 8, and is forcedly circulated to the freezing compartment 2 to cool the freezing compartment 2. On the other hand, part of the cold air is supplied to the cold air supply duct 1.
5 and is supplied to the refrigerator compartment 3 from the upper communication path 4. The return cold air from the refrigerator compartment 3 flows out from the lower communication passage 6 through the return duct 16 and from the outlet opening, and mixes with the return cold air from the freezer compartment 2 in the vicinity of the cold air suction port 10, so that the cold air is not diffused into the freezer compartment 2. It is sucked in from the suction port 1o and then sent to the cooler 7 again.
The cold air is sucked in from the air and exchanged heat again in the cooler 7, and the cold air circulation operation is repeated.
発明が解決しようとする課題
しかしながら上記従来の冷凍冷蔵庫は冷却器7よシ吐出
された冷気は冷気供給ダクト15内を通過するため仕切
壁1から冷蔵室3への吐出冷気が弱められ冷蔵室3に温
度むらが発生するという欠点があった。Problems to be Solved by the Invention However, in the above conventional refrigerator-freezer, the cold air discharged from the cooler 7 passes through the cold air supply duct 15, so the cold air discharged from the partition wall 1 to the refrigerator compartment 3 is weakened and the cold air discharged from the refrigerator compartment 3 is weakened. The disadvantage was that temperature unevenness occurred.
又冷凍室2の樹脂ケース11内に冷却器7.冷気循環フ
ァン8.冷気供給ダクト15.帰還ダクト16が設けら
れているため冷凍室2内の容積が減小するという欠点を
有していた。In addition, a cooler 7 is installed inside the resin case 11 of the freezer compartment 2. Cool air circulation fan8. Cold air supply duct 15. Since the return duct 16 is provided, the internal volume of the freezer compartment 2 is reduced.
本発明は上記従来の課題を解決するもので、冷蔵室への
冷気供給の安定化を図ると共に冷凍室内を最大限利用し
使い勝手のよい冷凍冷蔵庫を供給するものである。The present invention solves the above-mentioned conventional problems, and provides a refrigerator-freezer that is easy to use and that stabilizes the supply of cold air to the refrigerator compartment and makes maximum use of the freezer compartment.
課題を解決するだめの手段
この目的を達成するために本発明の冷凍冷蔵庫は、冷凍
室側面上部に設けた凹部内に冷却器と冷凍用ファンと冷
却カバを設け、上部に吐出口、下部に吸込口を形成した
冷却ユニット室を有し仕切壁の冷凍室側面下部に開口し
た冷気導入口と、仕切壁の冷蔵室側の上部に開口した排
出口と冷気導入口とを連通する吸込ダクトと吸込ダクト
内に配設した冷凍室の冷気を導入し冷蔵室内に排出する
排出ファンと冷蔵室と冷却ユニット室とを連通し樹脂製
ケーヌ背面裏側に形成した帰還ダクトとを有する。Means for Solving the Problem In order to achieve this object, the refrigerator-freezer of the present invention is provided with a cooler, a freezing fan, and a cooling cover in a recess provided in the upper part of the side of the freezer compartment, and a discharge port in the upper part and a cooling cover in the lower part. A suction duct having a cooling unit chamber having a suction port and communicating with a cold air inlet opening at the lower part of the side surface of the freezer compartment of the partition wall and a discharge port opening at the upper part of the partition wall on the side of the refrigerator compartment; It has an exhaust fan that introduces cold air from the freezer compartment arranged in the suction duct and discharges it into the refrigerator compartment, and a return duct that connects the refrigerator compartment and the cooling unit compartment and is formed on the back side of the resin cane.
作 用
本発明は上記した構成によって、仕切壁より冷蔵室への
冷気は安定供給され、冷凍室も帰還ダクト部が樹脂ケー
ス外のため使い勝手のよい冷凍室となっている。Operation According to the above-described structure of the present invention, cold air is stably supplied from the partition wall to the refrigerator compartment, and since the return duct portion of the freezer compartment is outside the resin case, the freezer compartment is easy to use.
、実施例
以下本発明の一実施例における冷凍冷蔵庫について、図
面を参照しながら説明する。, Example Hereinafter, a refrigerator-freezer according to an example of the present invention will be described with reference to the drawings.
第1図、第2図、第3図において、アンダヵウンタ型の
冷凍冷蔵庫は、断熱構造の仕切壁17によって左右二室
に仕切られ、一方を冷凍室18とするとともに他方を冷
蔵室19とする。仕切壁17の対向する冷凍室18の側
面上部凹部18aに冷却ユニット室2oが装着され冷却
ユニット室20には冷却器20a、冷凍用ファン21.
冷却カバー22を収容し上部に冷気吐出口23を形成す
る。In FIGS. 1, 2, and 3, the undercounter refrigerator-freezer is divided into two left and right compartments by a partition wall 17 having a heat-insulating structure, one of which is a freezing compartment 18 and the other is a refrigerator compartment 19. A cooling unit chamber 2o is attached to the upper recess 18a on the side surface of the freezer compartment 18 facing the partition wall 17, and the cooling unit chamber 20 is equipped with a cooler 20a, a freezing fan 21.
A cooling cover 22 is accommodated, and a cold air discharge port 23 is formed in the upper part.
下部に冷気吸込口24を設けた冷却室で、冷凍室18と
隣接して区画される機械室25には凝縮器、圧縮機で構
成された冷凍ユニット(図示せず)を構成している。This is a cooling room with a cold air suction port 24 at the bottom, and a machine room 25 adjacent to the freezing room 18 includes a refrigeration unit (not shown) including a condenser and a compressor.
かかる構成において冷却ユニット室20に対向した仕切
壁17の側面下部には冷蔵室19へ導く冷気導入口26
と冷気を冷気導入口26よシ冷蔵室19側上部排出口2
7に導く吸込ダクト28を設け、前記仕切壁17.冷蔵
室19側面には前記吸込ダクト28よシの冷気を排出す
る排出ファン29と排出口27を設け、冷蔵室19から
冷却ユニット室2oへ導く帰還ダクト30を樹脂製ケー
ス31の背面裏側31aに形成し帰還ダクト30内に凍
結防止用ヒータ32を貼付構成している。In this configuration, a cold air inlet 26 leading to the refrigerator compartment 19 is provided at the lower side of the partition wall 17 facing the cooling unit compartment 20.
and cool air from the cold air inlet 26 to the upper outlet 2 on the refrigerator compartment 19 side.
A suction duct 28 leading to the partition wall 17. An exhaust fan 29 and an exhaust port 27 are provided on the side of the refrigerator compartment 19 to discharge cold air from the suction duct 28, and a return duct 30 leading from the refrigerator compartment 19 to the cooling unit compartment 2o is provided on the rear back side 31a of the resin case 31. A freeze prevention heater 32 is attached inside the return duct 30.
以上の様に構成された冷凍冷蔵庫について以下動作を説
明する。The operation of the refrigerator-freezer configured as above will be explained below.
冷却器20 aで熱交換された冷気は冷凍用ファン21
によって冷気吐出口23から吹出され冷凍室18に強制
循環され冷凍室18を冷却する。冷凍室18からの冷気
は仕切壁17の冷気導入口23より吸込ダクト28を通
過し排出ファン29により排出口27から冷蔵室19に
供給される。The cold air heat exchanged with the cooler 20a is sent to the freezing fan 21.
The cold air is blown out from the discharge port 23 and forcedly circulated to the freezer compartment 18 to cool the freezer compartment 18 . Cold air from the freezer compartment 18 passes through the suction duct 28 from the cold air inlet 23 of the partition wall 17, and is supplied to the refrigerator compartment 19 from the exhaust port 27 by the exhaust fan 29.
冷蔵室19の帰還冷気は、樹脂製ケース31の背面裏側
の帰還ダクト3oを経て出口開口から流出し、冷気吸込
口24の近傍において冷凍室18の帰還冷気と混合状態
になシ、冷凍室18へ拡散されることなく冷気吸込口2
4から吸込まれ、冷却器20aにおいて熱交換され冷気
循環動作を繰返す。The return cold air from the refrigerator compartment 19 flows out from the outlet opening through the return duct 3o on the back side of the resin case 31, and is mixed with the return cold air from the freezer compartment 18 near the cold air suction port 24. cold air inlet 2 without being diffused to
4, heat is exchanged in the cooler 20a, and the cold air circulation operation is repeated.
かかる構成により、冷蔵室19へ安定した冷気を供給で
きると共に帰還ダクト3oが樹脂ケース31の裏側31
aに設けているため断熱効果も大であり帰還ダクト30
が庫外にあるため金属も使用でき凍結防止用ヒータ32
も帰還ダクト30に貼付しているだめ安全性も大である
。With this configuration, stable cold air can be supplied to the refrigerator compartment 19, and the return duct 3o is connected to the back side 31 of the resin case 31.
Since it is installed in the return duct 30, it has a great insulation effect.
Freeze prevention heater 32 can be used with metal as it is located outside the refrigerator.
Since it is also attached to the return duct 30, safety is also great.
発明の効果
本発明は以上の様に冷却ユニットと対向する仕切壁内に
排水ファンを設けることにより冷蔵室に安定した冷気を
供給すると共に帰還冷気の冷凍室内拡散を防止し冷凍室
の温度むらを防止でき、又、冷却ユニット及び、帰還ダ
クト部が冷凍室内にないため使い勝手がよく、その実用
効果は犬なるものがある。また、凍結防止用ヒータも金
属部へ貼付されており安全性も大である。Effects of the Invention As described above, the present invention provides stable cold air to the refrigerator compartment by providing a drainage fan in the partition wall facing the cooling unit, and prevents return cold air from dispersing into the freezer compartment, thereby reducing temperature unevenness in the freezer compartment. In addition, since the cooling unit and the return duct are not inside the freezing chamber, it is easy to use, and its practical effects are excellent. Additionally, the antifreeze heater is also attached to the metal parts, making it extremely safe.
第1図は本発明の一実施例を示す冷凍冷蔵庫の断面図、
第2図は第1図で示した冷凍冷蔵庫の斜視図、第3図は
第1図のA −A線における断面図、第4図は従来の冷
凍冷蔵庫の断面図である。
17・・・・・・仕切壁、18・・ ・冷凍室、18a
・・・・上部凹部、19・・・・・・冷蔵室、20・・
・・・・冷却ユニット室、20a・・・・・冷却器、2
1・・・・・・冷凍用ファン、22・・・・・・冷却カ
バー、23・・・・・・吐出口、24・・・・・・吸込
口、26・・・・、・冷気導入口、27・・・・・・排
水口、28・・・・・・吸込ダクト、29・・・・排出
ファン、30・・・・帰還ダクト、31・・・・・・樹
脂製ケース、31a・・・・背面裏側。
代理人の氏名 弁理士 小鍜治 明 ほか2名第2図
32−−一凍拮彷正肩ヒータFIG. 1 is a sectional view of a refrigerator-freezer showing an embodiment of the present invention.
2 is a perspective view of the refrigerator-freezer shown in FIG. 1, FIG. 3 is a sectional view taken along the line A--A in FIG. 1, and FIG. 4 is a sectional view of the conventional refrigerator-freezer. 17... Partition wall, 18... Freezer room, 18a
... Upper recess, 19 ... Refrigerator room, 20 ...
... Cooling unit room, 20a ... Cooler, 2
1...Refrigerating fan, 22...Cooling cover, 23...Discharge port, 24...Suction port, 26...Cold air introduction Port, 27...Drain port, 28...Suction duct, 29...Exhaust fan, 30...Return duct, 31...Resin case, 31a ...Back side. Name of agent: Patent attorney Akira Okaji and two others Figure 2 32--Ichizo Akihito
Claims (1)
記冷凍室の側面上部に設けた凹部内に、冷却器と冷凍用
ファンと冷却カバーを設け、上部に冷気吐出口、下部に
冷気吸込口を形成した冷却ユニット室を有し、前記仕切
壁の冷凍室側面下部に開口した冷気導入口と、前記仕切
壁の冷蔵室側の上部に開口した排出口と前記冷気導入口
とを連通する吸込ダクトと、前記吸込ダクト内に配設し
前記冷凍室の冷気を導入し前記冷蔵室内に排出する排出
ファンと、前記冷蔵室と前記冷却ユニット室とを連通す
る帰還ダクトを樹脂製ケース背面裏側に形成したことを
特徴とする冷凍冷蔵庫。A cooler, a freezing fan, and a cooling cover are installed in a partition wall that divides the inside of the refrigerator into two left and right compartments, a freezer compartment and a refrigerator compartment. a cooling unit chamber having a cold air suction port formed therein, a cold air inlet opening at the lower part of the side surface of the freezer compartment of the partition wall, a discharge port opening at the upper part of the partition wall on the side of the refrigerator compartment, and the cold air intake port; A suction duct that communicates with the refrigerator compartment, an exhaust fan disposed within the suction duct that introduces cold air from the freezer compartment and discharges it into the refrigerator compartment, and a return duct that communicates the refrigerator compartment and the cooling unit compartment are made of resin. A refrigerator-freezer characterized by a formation on the back side of the case.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31858790A JP2858671B2 (en) | 1990-11-22 | 1990-11-22 | Freezer refrigerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP31858790A JP2858671B2 (en) | 1990-11-22 | 1990-11-22 | Freezer refrigerator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH04187974A true JPH04187974A (en) | 1992-07-06 |
JP2858671B2 JP2858671B2 (en) | 1999-02-17 |
Family
ID=18100806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP31858790A Expired - Fee Related JP2858671B2 (en) | 1990-11-22 | 1990-11-22 | Freezer refrigerator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2858671B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013113451A (en) * | 2011-11-25 | 2013-06-10 | Mitsubishi Electric Corp | Refrigerator-freezer |
JP2019039631A (en) * | 2017-08-28 | 2019-03-14 | 福島工業株式会社 | Low temperature storage cabinet |
-
1990
- 1990-11-22 JP JP31858790A patent/JP2858671B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013113451A (en) * | 2011-11-25 | 2013-06-10 | Mitsubishi Electric Corp | Refrigerator-freezer |
JP2019039631A (en) * | 2017-08-28 | 2019-03-14 | 福島工業株式会社 | Low temperature storage cabinet |
Also Published As
Publication number | Publication date |
---|---|
JP2858671B2 (en) | 1999-02-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |