JPS62162571U - - Google Patents
Info
- Publication number
- JPS62162571U JPS62162571U JP4934586U JP4934586U JPS62162571U JP S62162571 U JPS62162571 U JP S62162571U JP 4934586 U JP4934586 U JP 4934586U JP 4934586 U JP4934586 U JP 4934586U JP S62162571 U JPS62162571 U JP S62162571U
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- solenoid valve
- defrosting
- circuit
- circuit equipped
- 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
- 239000003507 refrigerant Substances 0.000 claims description 18
- 238000010257 thawing Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims 2
- 238000005057 refrigeration Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Freezers Or Refrigerated Showcases (AREA)
- Defrosting Systems (AREA)
Description
第１図は本考案の冷凍冷蔵オープンシヨーケー
スの冷媒回路図、第２図は冷凍冷蔵オープンシヨ
ーケースの縦断側面図、第３図は弁の開閉を示す
タイムチヤート、第４図は従来の冷媒回路図であ
る。
１……シヨーケース本体、２……開口部、３…
…ダクト板、４……商品収納庫、５……ダクト板
、６……冷気循環ダクト、７……保護エア循環ダ
クト、８，９……吹出口、１０，１１……吸込口
、１２，１３……送風機、１４，１５……フアン
ガイド、１６……区画板、１７ａ，１７ｂ……通
路、１８ａ，１８ｂ……冷却器、１９……凝縮ユ
ニツト、１９ａ……圧縮機、１９ｂ……凝縮器、
１９ｃ……液留、１９ｄ……アキユムレータ、２
０……冷媒液管、２１ａ，２１ｂ……電磁弁、２
２ａ，２２ｂ……膨張弁、２３ａ，２３ｂ……電
磁弁、２４ａ，２４ｂ……冷媒排出管、２５……
除霜用冷媒液管、２６ａ，２６ｂ……電磁弁、２
７ａ，２７ｂ……減圧弁、２８ａ，２８ｂ……除
霜用冷媒排出管、２９……制御装置、３０……冷
媒ガス管、４０……冷媒液管、４１……冷媒ガス
管、４２ａ，４２ｂ……電磁弁、４３ａ，４３ｂ
……膨張弁、４４ａ，４４ｂ……電磁弁、４５…
…冷媒管、４６ａ，４６ｂ……電磁弁、４７ａ，
４７ｂ……冷媒液管、４８ａ，４８ｂ……逆止弁
。
Figure 1 is a refrigerant circuit diagram of the open refrigerator/freezer case of the present invention, Figure 2 is a longitudinal cross-sectional side view of the open refrigerator/refrigerator case, Figure 3 is a time chart showing the opening and closing of valves, and Figure 4 is a refrigerant circuit diagram of the conventional refrigerant. It is a circuit diagram. 1...Show case body, 2...Opening, 3...
... Duct plate, 4 ... Product storage, 5 ... Duct board, 6 ... Cold air circulation duct, 7 ... Protective air circulation duct, 8, 9 ... Air outlet, 10, 11 ... Suction port, 12, 13... Blower, 14, 15... Fan guide, 16... Division plate, 17a, 17b... Passage, 18a, 18b... Cooler, 19... Condensing unit, 19a... Compressor, 19b... Condensing vessel,
19c...liquid distillate, 19d...accumulator, 2
0... Refrigerant liquid pipe, 21a, 21b... Solenoid valve, 2
2a, 22b...Expansion valve, 23a, 23b...Solenoid valve, 24a, 24b...Refrigerant discharge pipe, 25...
Defrosting refrigerant liquid pipe, 26a, 26b...Solenoid valve, 2
7a, 27b...Reducing valve, 28a, 28b...Refrigerant discharge pipe for defrosting, 29...Control device, 30...Refrigerant gas pipe, 40...Refrigerant liquid pipe, 41...Refrigerant gas pipe, 42a, 42b ...Solenoid valve, 43a, 43b
...Expansion valve, 44a, 44b...Solenoid valve, 45...
... Refrigerant pipe, 46a, 46b ... Solenoid valve, 47a,
47b... Refrigerant liquid pipe, 48a, 48b... Check valve.
Claims (1)
に２基の冷却器を配設し、これらの冷却器を交互
に冷却・除霜運転する冷凍冷蔵オープンシヨーケ
ースにおいて、冷却器の冷媒入口側に電磁弁、膨
張弁を設けた冷却回路と、電磁弁を設けた除霜回
路とをそれぞれ形成し、冷却器の冷媒出口側には
電磁弁を設けた冷媒排出回路と、減圧部を設けた
除霜用の冷媒排出回路とをそれぞれ形成したこと
を特徴とする冷凍冷蔵オープンシヨーケースの冷
媒回路。 In an open refrigerator/refrigeration case, two coolers are installed in the cold air circulation duct inside the case body, and these coolers are operated alternately for cooling and defrosting.A solenoid valve is installed on the refrigerant inlet side of the cooler. , a cooling circuit equipped with an expansion valve and a defrosting circuit equipped with a solenoid valve are respectively formed, and a refrigerant discharge circuit equipped with a solenoid valve and a defrosting circuit equipped with a pressure reducing section are formed on the refrigerant outlet side of the cooler. A refrigerant circuit for a freezer/refrigerator open case, characterized in that a refrigerant discharge circuit and a refrigerant discharge circuit are formed respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986049345U JPH0451347Y2 (en) | 1986-04-02 | 1986-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986049345U JPH0451347Y2 (en) | 1986-04-02 | 1986-04-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62162571U true JPS62162571U (en) | 1987-10-15 |
| JPH0451347Y2 JPH0451347Y2 (en) | 1992-12-03 |
Family
ID=30871712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986049345U Expired JPH0451347Y2 (en) | 1986-04-02 | 1986-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0451347Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008175528A (en) * | 2004-08-30 | 2008-07-31 | Daikin Ind Ltd | Refrigeration equipment |
| JP2011190997A (en) * | 2010-03-15 | 2011-09-29 | Fuji Electric Co Ltd | Refrigerating showcase |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54165364U (en) * | 1978-05-12 | 1979-11-20 |
-
1986
- 1986-04-02 JP JP1986049345U patent/JPH0451347Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54165364U (en) * | 1978-05-12 | 1979-11-20 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008175528A (en) * | 2004-08-30 | 2008-07-31 | Daikin Ind Ltd | Refrigeration equipment |
| JP2011190997A (en) * | 2010-03-15 | 2011-09-29 | Fuji Electric Co Ltd | Refrigerating showcase |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0451347Y2 (en) | 1992-12-03 |
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