JPS6382167U - - Google Patents
Info
- Publication number
- JPS6382167U JPS6382167U JP17679686U JP17679686U JPS6382167U JP S6382167 U JPS6382167 U JP S6382167U JP 17679686 U JP17679686 U JP 17679686U JP 17679686 U JP17679686 U JP 17679686U JP S6382167 U JPS6382167 U JP S6382167U
- Authority
- JP
- Japan
- Prior art keywords
- superheat
- arithmetic unit
- degree
- output
- control device
- 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 6
- 238000001514 detection method Methods 0.000 claims 1
- 239000003507 refrigerant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
Description
第１図は本考案の一実施例を示すブロツク線図
、第２図は第１図の実施例の動作内容を示すフロ
ーチヤート、第３図は本考案による冷凍サイクル
の過熱度特性の一例を示す線図である。
１…蒸発器、２…電動式膨張弁、１１，１２…
温度センサ、２０…演算装置。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a flowchart showing the operation details of the embodiment of Fig. 1, and Fig. 3 is an example of superheat degree characteristics of the refrigeration cycle according to the invention. FIG. 1...Evaporator, 2...Electric expansion valve, 11, 12...
Temperature sensor, 20... Arithmetic device.
Claims (1)
イクルと、 この冷凍サイクルにおける蒸発器の入口および
出口に設けられた温度センサと、 この温度センサからの前記蒸発器の入口および
出口の温度検出信号によつて前記蒸発器の測定過
熱度を求める第１演算部と、 前記蒸発器の設定過熱度を与える設定器と、 前記測定過熱度と前記設定過熱度との差を求め
る第２演算部と、 この第２演算部の出力を貯えるレジスタと、 前記第２演算部からの出力を前記レジスタから
の前記第２演算部の前回の出力と比較する第３演
算部と、 この第３演算部の比較出力に応じて前記膨張弁
を動作制御する弁駆動部とを備えた冷凍装置の過
熱度制御装置。 ２ 実用新案登録請求の範囲第１項記載の冷凍装
置の過熱度制御装置において、前記第３演算部は
比較結果に応じて増加、減少、変化なしの３種類
の何れかを出力し、前記弁駆動部がそれに応じて
前記膨張弁の制御を行うようにした冷凍装置の過
熱度制御装置。[Claims for Utility Model Registration] 1. A refrigeration cycle in which the flow rate of refrigerant is controlled by an electric expansion valve; a temperature sensor provided at the inlet and outlet of an evaporator in this refrigeration cycle; a first calculation unit that calculates the measured degree of superheat of the evaporator based on temperature detection signals at the inlet and outlet; a setting device that provides a set degree of superheat of the evaporator; and a difference between the measured degree of superheat and the set degree of superheat. a register that stores the output of the second arithmetic unit; and a third arithmetic unit that compares the output from the second arithmetic unit with the previous output of the second arithmetic unit from the register. A superheat degree control device for a refrigeration system, comprising: a valve drive section that controls the operation of the expansion valve according to the comparison output of the third calculation section. 2 Utility Model Registration In the superheat degree control device for a refrigeration system according to claim 1, the third calculation section outputs any of three types of increase, decrease, and no change depending on the comparison result, and A superheat degree control device for a refrigeration system, wherein a drive section controls the expansion valve accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17679686U JPS6382167U (en) | 1986-11-18 | 1986-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17679686U JPS6382167U (en) | 1986-11-18 | 1986-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6382167U true JPS6382167U (en) | 1988-05-30 |
Family
ID=31117390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17679686U Pending JPS6382167U (en) | 1986-11-18 | 1986-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6382167U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5888554A (en) * | 1981-11-19 | 1983-05-26 | 松下電器産業株式会社 | Controller for refrigerating cycle |
| JPS60162170A (en) * | 1983-12-19 | 1985-08-23 | キヤリア・コ−ポレイシヨン | Cooling device and method of controlling flow rate of refrigerant for said device |
-
1986
- 1986-11-18 JP JP17679686U patent/JPS6382167U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5888554A (en) * | 1981-11-19 | 1983-05-26 | 松下電器産業株式会社 | Controller for refrigerating cycle |
| JPS60162170A (en) * | 1983-12-19 | 1985-08-23 | キヤリア・コ−ポレイシヨン | Cooling device and method of controlling flow rate of refrigerant for said device |
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