JPH0241060U - - Google Patents
Info
- Publication number
- JPH0241060U JPH0241060U JP12016088U JP12016088U JPH0241060U JP H0241060 U JPH0241060 U JP H0241060U JP 12016088 U JP12016088 U JP 12016088U JP 12016088 U JP12016088 U JP 12016088U JP H0241060 U JPH0241060 U JP H0241060U
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant liquid
- evaporator
- liquid passages
- passages
- expansion valve
- 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
- 239000007788 liquid Substances 0.000 claims description 9
- 239000003507 refrigerant Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Description
第１図は、本考案の実施例に係る電子膨張弁の
制御装置の構成を示す冷凍回路図、第２図は、同
実施例の膨張弁コントロールユニツトの制御動作
を示すフローチヤートである。
１……圧縮機、２……凝縮器、３……蒸発器、
４……膨張弁コントロールユニツト、ＥＶ１，Ｅ
Ｖ２……電子膨張弁、Ｔ１〜Ｔ３……感温センサ
ー、Ｌ１，Ｌ２……冷媒液通路。
FIG. 1 is a refrigeration circuit diagram showing the configuration of a control device for an electronic expansion valve according to an embodiment of the present invention, and FIG. 2 is a flowchart showing the control operation of the expansion valve control unit of the embodiment. 1... Compressor, 2... Condenser, 3... Evaporator,
4...Expansion valve control unit, EV 1 , E
V2 ...Electronic expansion valve, T1 - T3 ...Temperature sensor, L1 , L2 ...Refrigerant liquid passage.
Claims (1)
冷媒液通路Ｌ１，Ｌ２の入口側に各々電子膨張弁
ＥＶ１，ＥＶ２を介設してなる単一体の蒸発器３
において、上記複数の冷媒液通路Ｌ１，Ｌ２の何
れかひとつの冷媒液通路の蒸発器入口側に当該冷
媒液通路の蒸発器入口側を流れる冷媒液の温度を
検出する単一の温度センサーＴ１を、また上記複
数の冷媒液通路Ｌ１，Ｌ２の上記蒸発器出口側に
当該各冷媒液通路Ｌ１，Ｌ２の蒸発器出口側を流
れる冷媒液の温度ｔ２，ｔ３を検出する複数の温
度センサーＴ２，Ｔ３を設け、これら各温度セン
サーＴ２，Ｔ３の検出値ｔ２，ｔ３の各々と上記
第１の温度センサーＴ１の検出値ｔ１との関係に
基いて上記複数の電子膨張弁ＥＶ１，ＥＶ２の開
度を単一の膨張弁コントロールユニツト４によつ
て同一の初期開度状態から順次シーケンシヤルに
制御するようにしたことを特徴とする電子膨張弁
の制御装置。 A unitary evaporator 3 comprising a plurality of refrigerant liquid passages L 1 , L 2 and electronic expansion valves EV 1 , EV 2 interposed at the inlet sides of the respective refrigerant liquid passages L 1 , L 2 .
, a single temperature sensor is provided on the evaporator inlet side of one of the plurality of refrigerant liquid passages L 1 and L 2 to detect the temperature of the refrigerant liquid flowing on the evaporator inlet side of the refrigerant liquid passage. T 1 and temperatures t 2 and t 3 of the refrigerant liquid flowing on the evaporator exit side of each of the refrigerant liquid passages L 1 and L 2 on the evaporator outlet side of the plurality of refrigerant liquid passages L 1 and L 2 , respectively. A plurality of temperature sensors T 2 and T 3 are provided, and the relationship between the detected values t 2 and t 3 of each of these temperature sensors T 2 and T 3 and the detected value t 1 of the first temperature sensor T 1 is determined. Based on the above, the opening degrees of the plurality of electronic expansion valves EV 1 and EV 2 are sequentially controlled from the same initial opening state by a single expansion valve control unit 4. Expansion valve control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12016088U JPH065568Y2 (en) | 1988-09-12 | 1988-09-12 | Electronic expansion valve controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12016088U JPH065568Y2 (en) | 1988-09-12 | 1988-09-12 | Electronic expansion valve controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0241060U true JPH0241060U (en) | 1990-03-20 |
| JPH065568Y2 JPH065568Y2 (en) | 1994-02-09 |
Family
ID=31366023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12016088U Expired - Lifetime JPH065568Y2 (en) | 1988-09-12 | 1988-09-12 | Electronic expansion valve controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH065568Y2 (en) |
-
1988
- 1988-09-12 JP JP12016088U patent/JPH065568Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH065568Y2 (en) | 1994-02-09 |
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