JPS61114286U - - Google Patents
Info
- Publication number
- JPS61114286U JPS61114286U JP20032284U JP20032284U JPS61114286U JP S61114286 U JPS61114286 U JP S61114286U JP 20032284 U JP20032284 U JP 20032284U JP 20032284 U JP20032284 U JP 20032284U JP S61114286 U JPS61114286 U JP S61114286U
- Authority
- JP
- Japan
- Prior art keywords
- cooler
- case
- cold air
- open
- refrigerated
- 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 7
- 238000001816 cooling Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Landscapes
- Defrosting Systems (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Description
第１図は、本考案の一実施例を示す冷凍冷蔵オ
ープンシヨーケースの断面図、第２図は、その冷
媒回路図、第３図は、運転動作を示すタイムチヤ
ート図、第４図は、冷却器一基運転時と二基運転
時における蒸発温度に対する冷却能力を示す図、
第５図は、従来の冷凍冷蔵オープンシヨーケース
の断面図である。
１……ケース本体、２……開口部、６……冷気
循環ダクト、８……吹出口、１６……区画板、１
７ａ，１７ｂ……通路、１８ａ，１８ｂ……冷却
器、１９ａ，１９ｂ……送風機、２１ａ，２１ｂ
……冷媒液管、２２ａ，２２ｂ……冷却コイル、
２３ａ，２３ｂ……膨張弁、２４ａ，２４ｂ……
電磁弁、２５……凝縮ユニツト、２６……タイマ
制御回路、２７……冷媒ガス管、２８……圧縮機
、２９……吐出管、３０……凝縮器、３１……冷
媒液管。
Fig. 1 is a sectional view of a refrigerated freezer open case showing an embodiment of the present invention, Fig. 2 is its refrigerant circuit diagram, Fig. 3 is a time chart showing its operation, and Fig. 4 is: Diagram showing cooling capacity versus evaporation temperature when operating one cooler and when operating two coolers,
FIG. 5 is a cross-sectional view of a conventional freezer/refrigerator open case. DESCRIPTION OF SYMBOLS 1... Case body, 2... Opening, 6... Cold air circulation duct, 8... Air outlet, 16... Partition plate, 1
7a, 17b... passage, 18a, 18b... cooler, 19a, 19b... blower, 21a, 21b
... Refrigerant liquid pipe, 22a, 22b ... Cooling coil,
23a, 23b...expansion valve, 24a, 24b...
Solenoid valve, 25... Condensing unit, 26... Timer control circuit, 27... Refrigerant gas pipe, 28... Compressor, 29... Discharge pipe, 30... Condenser, 31... Refrigerant liquid pipe.
Claims (1)
冷気循環ダクト内に配設した冷却器により循環空
気を冷却し同空気を吹出口から吹出してケース開
口部に冷気エアカーテンを形成するようにした冷
凍冷蔵オープンシヨーケースにおいて、前記冷気
循環ダクト内の少なくとも一部を２層通路に区画
してそれぞれに送風機及び冷却器を設け、同冷却
器を冷却コイルと液冷媒を通過させる冷媒液管を
有する構成とすると共に、両冷却器を冷媒回路に
対し入口側に電磁弁を設け、一方の冷却器の冷媒
液管を膨張弁を介して他方の冷却器の冷却コイル
に接続して互いに並列に接続したことを特徴とす
る冷凍冷蔵オープンシヨーケース。 ２ 前記送風機及び電磁弁はタイマ制御回路を有
し互いに同期して所定時間毎に起動停止及び開閉
制御されることを特徴とする実用新案登録請求の
範囲第１項記載の冷凍冷蔵オープンシヨーケース
。 ３ 前記タイマ制御回路は所定時間毎に一方の冷
却器入口側の電磁弁を閉じ、他方の冷却器に対応
する送風機を停止して同冷却器の除霜を行うこと
を特徴とする実用新案登録請求の範囲第２項記載
の冷凍冷蔵オープンシヨーケース。[Scope of Claim for Utility Model Registration] 1. A cold air circulation duct is formed within the case body, the circulating air is cooled by a cooler disposed within the cold air circulation duct, and the air is blown out from the outlet to supply cold air to the case opening. In the refrigeration/refrigeration open case that forms an air curtain, at least a part of the cold air circulation duct is divided into two-layer passages, each of which is provided with a blower and a cooler, and the cooler is connected to a cooling coil and a liquid refrigerant. In addition, both coolers are provided with solenoid valves on the inlet side of the refrigerant circuit, and the refrigerant liquid pipe of one cooler is connected to the cooling coil of the other cooler via an expansion valve. A refrigerated open storage case characterized by being connected in parallel to each other. 2. The refrigerated/refrigerated open shower case as claimed in claim 1, wherein the blower and the solenoid valve have a timer control circuit and are controlled to start, stop and open/close at predetermined time intervals in synchronization with each other. 3. Registration of a utility model characterized in that the timer control circuit closes the solenoid valve on the inlet side of one of the coolers at predetermined time intervals, stops the blower corresponding to the other cooler, and defrosts the cooler. The frozen/refrigerated open case according to claim 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20032284U JPS61114286U (en) | 1984-12-25 | 1984-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20032284U JPS61114286U (en) | 1984-12-25 | 1984-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61114286U true JPS61114286U (en) | 1986-07-19 |
Family
ID=30761062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20032284U Pending JPS61114286U (en) | 1984-12-25 | 1984-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61114286U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01111187A (en) * | 1987-10-21 | 1989-04-27 | Sanyo Electric Co Ltd | Low-temperature showcase |
-
1984
- 1984-12-25 JP JP20032284U patent/JPS61114286U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01111187A (en) * | 1987-10-21 | 1989-04-27 | Sanyo Electric Co Ltd | Low-temperature showcase |
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