JPS6269786U - - Google Patents
Info
- Publication number
- JPS6269786U JPS6269786U JP16141085U JP16141085U JPS6269786U JP S6269786 U JPS6269786 U JP S6269786U JP 16141085 U JP16141085 U JP 16141085U JP 16141085 U JP16141085 U JP 16141085U JP S6269786 U JPS6269786 U JP S6269786U
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- circuit
- solenoid valve
- cooler
- coolers
- 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
- 239000003507 refrigerant Substances 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 4
- 230000002528 anti-freeze Effects 0.000 claims description 3
- 238000010257 thawing Methods 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 claims 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Freezers Or Refrigerated Showcases (AREA)
- Removal Of Water From Condensation And Defrosting (AREA)
Description
第１図は本考案の冷凍冷蔵オープンシヨーケー
スの実施例を示す冷媒回路図、第２図は冷凍冷蔵
オープンシヨーケースの一般構造を示す縦断側面
図、第３図は運転制御方法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……オープンシヨーケース、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
、２０……冷媒液管、２１ａ，２１ｂ，２２……
電磁弁、２３ａ，２３ｂ……除霜回路、２４……
冷却回路、２５ａ，２５ｂ……膨張弁、２６ａ，
２６ｂ……逆止弁、２７ａ，２７ｂ……電磁弁、
２８ａ，２８ｂ……冷媒排出管、２９ａ，２９ｂ
……逆止弁、３０……冷媒液管、３１……冷媒ガ
ス管、３２……制御装置、３３……不凍液充填容
器、３４……ヒーター、３５……不凍液、３６…
…温度スイツチ、３７……感温筒。
Fig. 1 is a refrigerant circuit diagram showing an embodiment of the frozen/refrigerated open shower case of the present invention, Fig. 2 is a vertical cross-sectional side view showing the general structure of the frozen/refrigerated open shed case, and Fig. 3 is a time chart showing the operation control method. , FIG. 4 is a conventional refrigerant circuit diagram. 1... Open show case, 2... Opening,
3... Duct plate, 4... Product storage, 5... Duct plate, 6... Cold air circulation duct, 7... Protective air circulation duct, 8, 9... Outlet, 10, 11... Inlet, 12, 13...Blower, 14,15...Fan guide, 16...Dividing board, 17a, 17b...
...Passway, 18a, 18b...Cooler, 19...Condensing unit, 19a...Compressor, 19b...Condenser, 19c...Liquid distiller, 19d...Accumulator, 20...Refrigerant liquid pipe, 21a, 21b ,22...
Solenoid valve, 23a, 23b...defrosting circuit, 24...
Cooling circuit, 25a, 25b...Expansion valve, 26a,
26b...Check valve, 27a, 27b...Solenoid valve,
28a, 28b... Refrigerant discharge pipe, 29a, 29b
... Check valve, 30 ... Refrigerant liquid pipe, 31 ... Refrigerant gas pipe, 32 ... Control device, 33 ... Antifreeze filling container, 34 ... Heater, 35 ... Antifreeze, 36 ...
...Temperature switch, 37...Temperature cylinder.
Claims (1)
に２基の冷却器を配設し、これら冷却器の冷媒入
口側に膨張弁、逆止弁及び電磁弁を設けた冷却回
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、一方の冷却器の前記冷媒排出回路中
の電磁弁の上流側から他方の冷却器の前記冷却回
路中の逆止弁に接続される液冷媒回路とをそれぞ
れ形成して２基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形成される前記冷却回路と除
霜回路との上流側の冷媒液管の途中を、ヒーター
が取付けられかつ不凍液が充填された容器内に挿
入したことを特徴とした冷凍冷蔵オープンシヨー
ケース。 Two coolers are installed in the cold air circulation duct installed inside the show case body, and a cooling circuit with an expansion valve, check valve, and solenoid valve, and a solenoid valve are installed on the refrigerant inlet side of these coolers. a refrigerant discharge circuit provided with a solenoid valve on the refrigerant outlet side of the cooler, and a refrigerant discharge circuit provided with a solenoid valve in the refrigerant discharge circuit of one cooler to In a refrigeration/refrigeration open case that alternately cools and defrosts two coolers by forming a liquid refrigerant circuit connected to a check valve in the cooling circuit, a liquid refrigerant circuit is formed on the refrigerant inlet side of the cooler. A refrigerated/refrigerated open case, characterized in that the refrigerant liquid pipe on the upstream side of the cooling circuit and the defrosting circuit is inserted midway into a container equipped with a heater and filled with antifreeze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16141085U JPS6269786U (en) | 1985-10-22 | 1985-10-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16141085U JPS6269786U (en) | 1985-10-22 | 1985-10-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6269786U true JPS6269786U (en) | 1987-05-01 |
Family
ID=31087694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16141085U Pending JPS6269786U (en) | 1985-10-22 | 1985-10-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6269786U (en) |
-
1985
- 1985-10-22 JP JP16141085U patent/JPS6269786U/ja active Pending
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