JPH02302572A - Cooling and storing refrigerator - Google Patents
Cooling and storing refrigeratorInfo
- Publication number
- JPH02302572A JPH02302572A JP12392189A JP12392189A JPH02302572A JP H02302572 A JPH02302572 A JP H02302572A JP 12392189 A JP12392189 A JP 12392189A JP 12392189 A JP12392189 A JP 12392189A JP H02302572 A JPH02302572 A JP H02302572A
- Authority
- JP
- Japan
- Prior art keywords
- evaporator
- cooling
- air
- temperature
- cold
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 18
- 238000009423 ventilation Methods 0.000 claims description 24
- 238000010257 thawing Methods 0.000 abstract description 20
- 238000005192 partition Methods 0.000 abstract description 12
- 239000000463 material Substances 0.000 abstract description 9
- 238000007710 freezing Methods 0.000 abstract description 3
- 230000008014 freezing Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract 7
- 238000005273 aeration Methods 0.000 abstract 6
- 238000000034 method Methods 0.000 abstract 1
- 239000011232 storage material Substances 0.000 description 11
- 238000005057 refrigeration Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000001103 potassium chloride Substances 0.000 description 1
- 235000011164 potassium chloride Nutrition 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Freezers Or Refrigerated Showcases (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Defrosting Systems (AREA)
Abstract
Description
【発明の詳細な説明】
(イ)産業上の利用分野
本発明は冷気循環用送風機にて発生する空気流を蒸発器
に流して冷気を得て、冷気を貯蔵室内又は貯蔵室開口に
エアーカーテンを形成するように送風する冷却貯蔵庫に
関する。Detailed Description of the Invention (a) Industrial Application Field The present invention obtains cold air by passing the air flow generated by a cold air circulation blower through an evaporator, and supplies the cold air to an air curtain in a storage room or an opening of the storage room. It relates to a cooling storage that blows air so as to form a .
(ロ)従来の技術
本発明に先行する技術として、実公昭48−34027
号公報に記載の冷却貯蔵庫がある。冷却貯蔵庫は貯蔵室
を形成する内箱の壁部に仕切壁を介して冷気循環用ファ
ン及び冷却器を有する冷却器室を区画形成し、前記冷却
器室周囲の内箱壁面及び仕切壁面に比較的低温で大きな
比熱を有する蓄冷材を取付けたものである。(b) Prior art As a technology prior to the present invention, Utility Model Publication No. 48-34027
There is a cooling storage described in the publication. The cooling storage is divided into a cooler chamber having a cold air circulation fan and a cooler through a partition wall on the wall of an inner box forming a storage chamber, and is compared to the inner box wall surface and the partition wall surface around the cooler chamber. It is equipped with a cold storage material that has a large specific heat at a relatively low temperature.
だが、蓄冷材を内箱壁面に取り付けたことで、貯蔵室の
容積が小さくなると共に、除霜時に上昇した循環空気と
、蓄冷材との接触面積は小さく。However, by attaching the cold storage material to the wall of the inner box, the volume of the storage chamber is reduced, and the contact area between the circulating air that rises during defrosting and the cold storage material is small.
貯蔵室に冷気ではなく比較的温度上昇した空気が流入し
て除霜時に貯蔵室内の温度が上昇する。Rather than cold air, air with a relatively elevated temperature flows into the storage room, and the temperature inside the storage room increases during defrosting.
(ハ)発明が解決しようとする課題
本発明は、除霜時における貯蔵室の温度上昇を小さくし
て、冷却時と除霜時の貯蔵室内温度変動を小さくしたち
の冷却貯蔵庫を提供することを技術課題とするものであ
る。(c) Problems to be Solved by the Invention The present invention provides a refrigerated storage in which the temperature rise in the storage room during defrosting is reduced, and temperature fluctuations within the storage room during cooling and defrosting are reduced. is a technical issue.
(ニ)課題を解決するための手段
本発明は貯蔵室を形成する断熱箱体内に、蒸発器と冷気
循環用送風機を内装する通風路を形成し、蒸発器より風
下側の通風路内に通気構造の蓄冷体を配設する手段にて
課題を解決するものである。(d) Means for Solving the Problems The present invention forms a ventilation passage in which an evaporator and a cool air circulation blower are installed inside an insulated box forming a storage room, and vents air in the ventilation passage on the leeward side of the evaporator. This problem is solved by arranging a structural cool storage body.
断熱箱体は、少なくとも一壁面に開口があり、開口が扉
体にて開閉されてもよいし、冷気循環用送風機にて発生
する冷気にて形成するエアーカーテンにて区分されてい
てもよい。The insulating box has an opening on at least one wall surface, and the opening may be opened and closed by a door, or may be divided by an air curtain formed by cold air generated by a cold air circulation blower.
(ホ)作用
本発明は蒸発器を通過した空気が通気構造の蓄冷体を通
過することで、冷却運転中に蓄冷体が冷やされると共に
、除霜運転中は蒸発器を通過した空気を冷やすものであ
る。(E) Function In the present invention, the air that has passed through the evaporator passes through the cool storage body having a ventilation structure, so that the cool storage body is cooled during the cooling operation, and the air that has passed through the evaporator is cooled during the defrosting operation. It is.
(へ)実施例
第1図は本発明を実施したオープンショーケース1の縦
断左側面図、第2図はオープンショーケース1の左側を
縦断した斜視図である。(F) Embodiment FIG. 1 is a longitudinal left side view of an open showcase 1 embodying the present invention, and FIG. 2 is a perspective view of the left side of the open showcase 1 taken longitudinally.
オープンショーケース1は、内箱2と、外箱3と、内箱
2と外箱3間に断熱材4を充填した断熱箱体5を有する
。断熱箱体5の前面には開口6を形成し、断熱箱体5内
は貯蔵室7となっている。The open showcase 1 has an inner box 2, an outer box 3, and a heat insulating box body 5 in which a heat insulating material 4 is filled between the inner box 2 and the outer box 3. An opening 6 is formed in the front of the heat insulating box 5, and a storage chamber 7 is formed inside the heat insulating box 5.
断熱箱体5の内箱2の天面と背面と底面と間隔を有して
仕切板8を配設し、仕切板8と内箱2との間に通気路9
を形成している。仕切板8は単板にて形成してもよいし
、複数板にて形成してもよ坂
い。仕切」の材質としては鉄板等の熱良導性が良い、断
熱箱体5の開口6上縁部と下縁部とに通気路9の端部が
開放し、通気路9の開放端部は対向している0通気路9
の上端側には吹出空気流の整流体10を形成し、通気路
9の下端側には吸込口11を形成する。断熱箱体5の開
口6下縁部には整流体10より吸込口11に向い吹き出
されるエアーカーテン流Aを吸込口11に案内する障壁
12は、透明板体にて形成する。A partition plate 8 is disposed at a distance from the top, back, and bottom of the inner box 2 of the heat insulating box 5, and a ventilation passage 9 is provided between the partition plate 8 and the inner box 2.
is formed. The partition plate 8 may be formed of a single plate or a plurality of plates. The material of the "partition" is a material with good thermal conductivity, such as a steel plate.The ends of the ventilation passage 9 are open at the upper and lower edges of the opening 6 of the insulation box 5, and the open end of the ventilation passage 9 is Opposing 0 ventilation passage 9
A rectifier 10 for the blown air flow is formed at the upper end, and a suction port 11 is formed at the lower end of the air passage 9. A barrier 12 for guiding the air curtain flow A blown toward the suction port 11 from the flow regulator 10 toward the suction port 11 is formed at the lower edge of the opening 6 of the heat insulating box 5 from a transparent plate.
仕切板8の背板部には、貯蔵室7内への商品の載置を行
なう棚体13を支持している。棚体13の支持位置は適
宜変更して支持できる構造となる。1fll1体13の
前端はエアーカーテン流Aの障害とならない貯蔵室7内
に位置する。A back plate portion of the partition plate 8 supports a shelf 13 on which products are placed in the storage chamber 7. The shelf 13 has a structure that can be supported by changing the supporting position as appropriate. The front end of the 1fl1 body 13 is located in the storage chamber 7 where it does not interfere with the air curtain flow A.
通気路9の下部、いわゆる仕切板9の底板部と内箱2の
底面との間にはファンケース14を配設し、ファンケー
ス14の通気口15内に電動機16にて駆動する送風羽
根17を配設する。通気口15は送風羽根17の風洞を
兼用している。ファンケース14と送風羽根17と電動
機16にて冷気循環用送風機を形成する。A fan case 14 is disposed below the ventilation passage 9, between the so-called bottom plate portion of the partition plate 9 and the bottom surface of the inner box 2, and air blower blades 17 driven by an electric motor 16 are installed in the ventilation opening 15 of the fan case 14. to be placed. The vent 15 also serves as a wind tunnel for the blower blades 17. The fan case 14, the blower blades 17, and the electric motor 16 form a cold air circulation blower.
通気路9の背部、いわゆる仕切板9の背板部と内箱2の
背面との下部には冷凍サイクルの蒸発器18を配設する
。送風羽根17にて蒸発器18に向い送風された空気は
、蒸発器18を通過中に冷却されて、整流体10より吸
込口11に向がい吹き出す、冷凍サイクルの凝縮器と圧
縮機等は断熱箱体5外に配設する。An evaporator 18 of the refrigeration cycle is disposed at the back of the ventilation path 9, so-called at the bottom of the back plate of the partition plate 9 and the back of the inner box 2. The air blown toward the evaporator 18 by the blower blade 17 is cooled while passing through the evaporator 18, and is blown out from the flow regulator 10 toward the suction port 11.The condenser, compressor, etc. of the refrigeration cycle are insulated. It is arranged outside the box body 5.
冷凍サイクルの停動、制御は、貯蔵室7内の温度の検出
値に基づき、設定値との比較において、貯蔵室7内を設
定温度となるように行なわれる。The stopping and controlling of the refrigeration cycle is performed based on the detected value of the temperature in the storage chamber 7 so that the temperature in the storage chamber 7 reaches the set temperature in comparison with the set value.
蒸発器18の除霜運転は、蒸発器18の温度検出、時間
制御(例えば3時間冷却、30分除霜のくり返し)にて
行なわれる。蒸発器18の除霜手段としては、冷凍サイ
クルの冷媒回路のバイパス、逆サイクル等のホットガス
による除霜でもよいし、本実施構造の如く、蒸発器18
の風上側に除霜し−タ19を配設して行なってもよい。The defrosting operation of the evaporator 18 is performed by detecting the temperature of the evaporator 18 and controlling the time (for example, cooling for 3 hours and defrosting for 30 minutes repeatedly). The defrosting means for the evaporator 18 may be defrosting using hot gas such as a bypass of the refrigerant circuit of the refrigeration cycle or a reverse cycle.
A defrosting tank 19 may be provided on the windward side of the defrosting tank.
通気路9の蒸発器18より風下側には、通気構造の蓄冷
体20を配設している。蓄冷体2oの通気路9への装着
には、周知公知の手段にて適宜行う。蓄冷体20への蓄
冷は、冷却運転中に行なわれ、除霜運転となると、蒸発
器18より流通してくる空気を冷却することになる。除
霜運転中に蒸発器18を通過する空気流の温度が上昇し
ても、蓄冷体20にて冷却されることで、エアーカーテ
ン流Aの温度上昇は防止されることになる。蓄冷体2o
の蓄冷量は除霜時の昇温を抑制できる量であればよい。A cool storage body 20 having a ventilation structure is disposed on the leeward side of the ventilation path 9 from the evaporator 18. The cold storage body 2o is attached to the ventilation path 9 by any suitable means known in the art. Cold storage in the cold storage body 20 is performed during the cooling operation, and during the defrosting operation, the air flowing from the evaporator 18 is cooled. Even if the temperature of the airflow passing through the evaporator 18 rises during the defrosting operation, the temperature of the air curtain flow A is prevented from rising by being cooled by the cool storage body 20. Cold storage body 2o
The amount of cool storage may be any amount that can suppress the temperature rise during defrosting.
蓄冷体20としては第3図と第4図に示す第1構造、第
5図と第6図に示す第2構造、第7図に示す第3構造、
第8図と第9図に示す第4構造等にて適宜構造で実施で
きる。蓄冷体20は、蓄冷剤容器21と、蓄冷剤容器2
1内に封入した蓄冷剤22とよりなる。蓄冷剤22とし
ては塩化カリウム等のゲル剤、食塩水・エチレングリコ
ール・プロピレングリコール等の液体にて形成する。蓄
冷剤容器21は熱良導性材料が最適であるが、合成樹脂
であってもよい0通気路9を形成する内箱2と仕切板8
に形成した支持金具24に蓄冷剤容器21を螺子等にて
載置固定する。The cold storage body 20 has a first structure shown in FIGS. 3 and 4, a second structure shown in FIGS. 5 and 6, a third structure shown in FIG. 7,
It can be implemented with any suitable structure such as the fourth structure shown in FIGS. 8 and 9. The cold storage body 20 includes a cold storage agent container 21 and a cold storage agent container 2.
1 and a cold storage agent 22 enclosed within the container. The cool storage agent 22 is formed from a gel such as potassium chloride, or a liquid such as saline, ethylene glycol, propylene glycol, etc. The cool storage agent container 21 is optimally made of a material with good thermal conductivity, but may also be made of synthetic resin.The inner box 2 and the partition plate 8 forming the ventilation passage 9
The cool storage agent container 21 is mounted and fixed on the support metal fitting 24 formed in the shape of the support metal fitting 24 using screws or the like.
蓄冷剤容器21にて形成する通気部23は、第3I2I
と第4図の第1構造の如く、丸穴でもよいし、第5図と
第6図の第2構造の如くリブ付き穴でもよいし、第7図
の第3構造の如く、角穴でもよい、また、蓄冷剤容器2
1の外観形状を第8図と第9図の第4構造の如く、略樽
形であってもよい。The ventilation part 23 formed in the cool storage agent container 21 is the third I2I
It may be a round hole as shown in the first structure in Figure 4, a ribbed hole as in the second structure in Figures 5 and 6, or a square hole as in the third structure in Figure 7. Good, also cold storage container 2
The external shape of the structure 1 may be substantially barrel-shaped as in the fourth structure shown in FIGS. 8 and 9.
蓄冷体20を通気構造として通気路に配設したことで、
オープンショーケース1の冷蔵仕様、冷凍仕様に対し、
断熱箱体5を変更することなく、蓄冷体20の蓄冷量を
変更することで適宜適応できるものである。蓄冷体20
の蓄冷量の変更は、凝固点(凍結点)の異なる蓄冷剤2
2を蓄冷剤容器21に封入する手段または、蓄冷体20
の容積変更にて行なえる。By arranging the cold storage body 20 as a ventilation structure in the ventilation path,
For the refrigerated and frozen specifications of open showcase 1,
This can be suitably adapted by changing the amount of cool storage in the cool storage body 20 without changing the heat insulating box 5. Cold storage body 20
To change the amount of cold storage, use cold storage agent 2 with a different freezing point (freezing point).
2 into the cool storage container 21 or the cold storage body 20
This can be done by changing the volume of
(ト)発明の効果
本発明は、通風路の蒸発器より風下側に通気構造の蓄冷
体を配設したことで蓄冷体の冷気による冷却時間の短縮
と、除霜時における蓄冷体による通気の冷却が効率よく
行なえ、冷却貯蔵庫の貯蔵室内の温度変化を抑制できる
。(G) Effects of the Invention The present invention provides a regenerator with a ventilated structure on the leeward side of the evaporator in the ventilation path, thereby shortening the cooling time of the regenerator with cold air and reducing the ventilation caused by the regenerator during defrosting. Cooling can be performed efficiently and temperature changes within the storage chamber of the cooling storage can be suppressed.
図は本発明を示し、第1図は縦断左側面図、第2図は縦
断斜視図、第3図は蓄冷体第1構造の斜視図、第4図は
同断面図、第5図は蓄冷体第2構造の斜視図、第6図は
同通気部分の横断面図、第7図は蓄冷体第3構造の斜視
図、第8図は蓄冷体第4構造の斜視図、第9図は同断面
図である。
1・・・オープンショーケース(冷却貯蔵庫)、5・・
・断熱箱体、8・・・仕切板、9・・・通気路、14・
・・ファンケース、15・・・通気口、16・・・電動
機、17・・・送風羽根、18・・・蒸発器、20・・
・蓄冷体。The figures show the present invention; FIG. 1 is a vertical left side view, FIG. 2 is a vertical perspective view, FIG. 3 is a perspective view of the first structure of the cool storage body, FIG. 4 is a sectional view of the same, and FIG. 5 is a cold storage body. 6 is a cross-sectional view of the ventilation portion of the body, FIG. 7 is a perspective view of the third structure of the cool storage body, FIG. 8 is a perspective view of the fourth structure of the cool storage body, and FIG. 9 is a perspective view of the fourth structure of the cool storage body. It is the same sectional view. 1...Open showcase (cooling storage), 5...
・Insulation box body, 8... Partition plate, 9... Ventilation path, 14.
...Fan case, 15...Vent, 16...Electric motor, 17...Blower blade, 18...Evaporator, 20...
・Cold storage body.
Claims (1)
用送風機を内装する通風路を形成し、蒸発器より風下側
の通風路内に通気構造の蓄冷体を配設してなる冷却貯蔵
庫。1. Cooling by forming a ventilation passage containing an evaporator and a cold air circulation blower inside the insulated box that forms the storage room, and arranging a cold storage body with a ventilation structure in the ventilation passage on the leeward side of the evaporator. storage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12392189A JPH02302572A (en) | 1989-05-17 | 1989-05-17 | Cooling and storing refrigerator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12392189A JPH02302572A (en) | 1989-05-17 | 1989-05-17 | Cooling and storing refrigerator |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02302572A true JPH02302572A (en) | 1990-12-14 |
Family
ID=14872636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12392189A Pending JPH02302572A (en) | 1989-05-17 | 1989-05-17 | Cooling and storing refrigerator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02302572A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012160725A1 (en) * | 2011-05-23 | 2012-11-29 | ナサコア株式会社 | Open showcase |
CN107810374A (en) * | 2015-08-28 | 2018-03-16 | 三星电子株式会社 | Refrigerator |
US10288338B2 (en) | 2015-08-28 | 2019-05-14 | Samsung Electronics Co., Ltd. | Refrigerator |
-
1989
- 1989-05-17 JP JP12392189A patent/JPH02302572A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012160725A1 (en) * | 2011-05-23 | 2012-11-29 | ナサコア株式会社 | Open showcase |
WO2012160716A1 (en) * | 2011-05-23 | 2012-11-29 | ナサコア株式会社 | Product storage case and heat-storing panel structure |
CN107810374A (en) * | 2015-08-28 | 2018-03-16 | 三星电子株式会社 | Refrigerator |
EP3271669A4 (en) * | 2015-08-28 | 2018-04-18 | Samsung Electronics Co., Ltd. | Refrigerator |
US10288338B2 (en) | 2015-08-28 | 2019-05-14 | Samsung Electronics Co., Ltd. | Refrigerator |
US11029071B2 (en) | 2015-08-28 | 2021-06-08 | Samsung Electronics Co., Ltd. | Refrigerator |
AU2016316427B2 (en) * | 2015-08-28 | 2021-11-04 | Samsung Electronics Co., Ltd. | Refrigerator |
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