JPS6291171U - - Google Patents
Info
- Publication number
- JPS6291171U JPS6291171U JP18337985U JP18337985U JPS6291171U JP S6291171 U JPS6291171 U JP S6291171U JP 18337985 U JP18337985 U JP 18337985U JP 18337985 U JP18337985 U JP 18337985U JP S6291171 U JPS6291171 U JP S6291171U
- Authority
- JP
- Japan
- Prior art keywords
- expansion valve
- electric expansion
- degree
- superheat
- opening degree
- 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
- 238000005057 refrigeration Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Air Conditioning Control Device (AREA)
Description
第１図はこの考案の冷凍装置の一実施例を示す
回路図、第２図は第１図の回路の動作を説明する
ためのフローチヤート、第３図は流量変化率をあ
らわすグラフ、第４図は従来の冷凍装置の回路図
である。
１……室外熱交換器、２……室内熱交換器、３
……液管、４……ガス管、５……電動膨張弁、７
……圧縮機、１１……電動膨張弁の駆動制御装置
、１２……過熱度検出回路、１３……過熱度検出
手段、１５……電動膨張弁制御回路、１６……電
動膨張弁駆動回路。
Fig. 1 is a circuit diagram showing an embodiment of the refrigeration system of this invention, Fig. 2 is a flow chart for explaining the operation of the circuit shown in Fig. 1, Fig. 3 is a graph showing the rate of change in flow rate, and Fig. 4 is a flowchart for explaining the operation of the circuit of Fig. 1. The figure is a circuit diagram of a conventional refrigeration system. 1...Outdoor heat exchanger, 2...Indoor heat exchanger, 3
...Liquid pipe, 4...Gas pipe, 5...Electric expansion valve, 7
... Compressor, 11 ... Electric expansion valve drive control device, 12 ... Superheat degree detection circuit, 13 ... Superheat degree detection means, 15 ... Electric expansion valve control circuit, 16 ... Electric expansion valve drive circuit.
Claims (1)
よつて接続し、上記液管３に電動膨張弁５を介設
すると共に、上記ガス管４に圧縮機７を接続して
成る冷凍装置において、蒸発した冷媒の過熱度を
検出する検出手段１３と、この検出された過熱度
が設定過熱度範囲内にあるかどうかを判別する判
別手段１５と、上記検出過熱度が設定過熱度範囲
外であるときに上記電動膨張弁に当該電動膨張弁
のその時の開度に比例した数のパルスを出力する
駆動制御手段１６とを具備したことを特徴とする
冷凍装置。 The condenser 1 and the evaporator 2 are connected by a liquid pipe 3 and a gas pipe 4, an electric expansion valve 5 is interposed in the liquid pipe 3, and a compressor 7 is connected to the gas pipe 4. A refrigeration system comprising: a detection means 13 for detecting the degree of superheat of the evaporated refrigerant; a determination means 15 for determining whether the detected degree of superheat is within a set superheat degree range; 1. A refrigeration system characterized by comprising: drive control means 16 for outputting a number of pulses to the electric expansion valve proportional to the current opening degree of the electric expansion valve when the opening degree is outside the opening degree range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18337985U JPS6291171U (en) | 1985-11-27 | 1985-11-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18337985U JPS6291171U (en) | 1985-11-27 | 1985-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6291171U true JPS6291171U (en) | 1987-06-11 |
Family
ID=31130060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18337985U Pending JPS6291171U (en) | 1985-11-27 | 1985-11-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6291171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0221163A (en) * | 1988-03-14 | 1990-01-24 | Eaton Corp | Cooling system and cooling method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58104465A (en) * | 1981-12-17 | 1983-06-21 | 松下電器産業株式会社 | Controller for refrigeration cycle |
| JPS6041774B2 (en) * | 1977-11-30 | 1985-09-18 | 日本電気株式会社 | logic circuit package |
-
1985
- 1985-11-27 JP JP18337985U patent/JPS6291171U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6041774B2 (en) * | 1977-11-30 | 1985-09-18 | 日本電気株式会社 | logic circuit package |
| JPS58104465A (en) * | 1981-12-17 | 1983-06-21 | 松下電器産業株式会社 | Controller for refrigeration cycle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0221163A (en) * | 1988-03-14 | 1990-01-24 | Eaton Corp | Cooling system and cooling method |
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