JPH0470975U - - Google Patents
Info
- Publication number
- JPH0470975U JPH0470975U JP11432490U JP11432490U JPH0470975U JP H0470975 U JPH0470975 U JP H0470975U JP 11432490 U JP11432490 U JP 11432490U JP 11432490 U JP11432490 U JP 11432490U JP H0470975 U JPH0470975 U JP H0470975U
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- degree
- superheat
- sensor
- detects
- 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
- 239000003507 refrigerant Substances 0.000 claims description 10
- 238000003745 diagnosis Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Landscapes
- Air Conditioning Control Device (AREA)
Description
第１図は本考案の一実施例に係る冷媒洩れ診断
装置の構成を示すブロツク系統図、第２図は上記
実施例に於ける冷媒洩れ診断装置の診断を示すフ
ローチヤート、第３図は従来の冷媒洩れ診断装置
の構成を示すブロツク系統図、第４図は空調装置
内の冷媒チヤージ量と過熱度の関係を示す特性図
、第５図は従来の冷媒洩れ診断装置の診断方法を
示すフローチヤートである。
１……診断装置本体、２……蒸発器、３……コ
ンプレツサ（圧縮機）、４……凝縮機、５……レ
シーバ、６……温度膨張弁、７……蒸発器入口温
度センサ、８……蒸発器出口温度センサ、９……
コンプレツサ回転数センサ、１ａ……過熱度算出
手段、１ｂ……設定手段、１ｃ……補正手段、１
ｄ……判定手段、１ｅ……表示手段。
FIG. 1 is a block system diagram showing the configuration of a refrigerant leak diagnosis device according to an embodiment of the present invention, FIG. 2 is a flowchart showing the diagnosis of the refrigerant leak diagnosis device in the above embodiment, and FIG. 3 is a conventional system. 4 is a characteristic diagram showing the relationship between the refrigerant charge amount and the degree of superheating in the air conditioner, and FIG. 5 is a flowchart showing the diagnosis method of the conventional refrigerant leak diagnosis device. It's a chat. 1...Diagnostic device main body, 2...Evaporator, 3...Compressor (compressor), 4...Condenser, 5...Receiver, 6...Temperature expansion valve, 7...Evaporator inlet temperature sensor, 8 ...Evaporator outlet temperature sensor, 9...
Compressor rotation speed sensor, 1a...superheat degree calculation means, 1b...setting means, 1c...correction means, 1
d...determination means, 1e...display means.
Claims (1)
値と蒸発器冷媒の圧力飽和温度を検出するセンサ
の検出値により蒸発器出口冷媒の過熱度を算出す
る手段と、空調装置内の冷媒量が不足しているか
否かを判定する過熱度の設定値をコンプレツサ回
転数を検出するセンサの検出値に応じて補正する
補正手段と、上記過熱度算出手段で得られた過熱
度の算出値と上記補正手段で補正された設定値と
を比較し、冷媒量が不足であるか否かを判定する
手段とを具備してなることを特徴とする冷媒洩れ
診断装置。 Means for calculating the degree of superheating of the refrigerant at the evaporator outlet based on the detected value of a sensor that detects the refrigerant temperature at the evaporator outlet and the detected value of the sensor that detects the pressure saturation temperature of the evaporator refrigerant, and an insufficient amount of refrigerant in the air conditioner. a correction means for correcting a set value of the degree of superheat for determining whether or not the degree of superheat is corrected according to a detected value of a sensor that detects the compressor rotation speed, and a calculated value of the degree of superheat obtained by the degree of superheat calculation means and the correction 1. A refrigerant leak diagnostic device, comprising means for comparing the set value corrected by the means and determining whether or not the amount of refrigerant is insufficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11432490U JPH086213Y2 (en) | 1990-10-31 | 1990-10-31 | Refrigerant leak diagnostic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11432490U JPH086213Y2 (en) | 1990-10-31 | 1990-10-31 | Refrigerant leak diagnostic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0470975U true JPH0470975U (en) | 1992-06-23 |
| JPH086213Y2 JPH086213Y2 (en) | 1996-02-21 |
Family
ID=31861997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11432490U Expired - Lifetime JPH086213Y2 (en) | 1990-10-31 | 1990-10-31 | Refrigerant leak diagnostic device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH086213Y2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009024923A (en) * | 2007-07-19 | 2009-02-05 | Sharp Corp | Refrigerant leak detection device, air conditioner, and refrigerant leak detection method |
| JP2009250554A (en) * | 2008-04-09 | 2009-10-29 | Daikin Ind Ltd | Refrigerating device |
| WO2017094059A1 (en) * | 2015-11-30 | 2017-06-08 | 三菱電機株式会社 | Refrigerant quantity management device and refrigerant quantity management system |
| WO2018225545A1 (en) * | 2017-06-08 | 2018-12-13 | 株式会社デンソー | Refrigeration cycle device |
| CN118729623A (en) * | 2024-07-29 | 2024-10-01 | 江苏拓米洛高端装备股份有限公司 | Evaporator outlet superheat control method, device, electronic equipment and storage medium |
-
1990
- 1990-10-31 JP JP11432490U patent/JPH086213Y2/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009024923A (en) * | 2007-07-19 | 2009-02-05 | Sharp Corp | Refrigerant leak detection device, air conditioner, and refrigerant leak detection method |
| JP2009250554A (en) * | 2008-04-09 | 2009-10-29 | Daikin Ind Ltd | Refrigerating device |
| WO2017094059A1 (en) * | 2015-11-30 | 2017-06-08 | 三菱電機株式会社 | Refrigerant quantity management device and refrigerant quantity management system |
| JPWO2017094059A1 (en) * | 2015-11-30 | 2018-06-21 | 三菱電機株式会社 | Refrigerant amount management apparatus and refrigerant amount management system |
| WO2018225545A1 (en) * | 2017-06-08 | 2018-12-13 | 株式会社デンソー | Refrigeration cycle device |
| JP2018203179A (en) * | 2017-06-08 | 2018-12-27 | 株式会社デンソー | Refrigeration cycle equipment |
| CN118729623A (en) * | 2024-07-29 | 2024-10-01 | 江苏拓米洛高端装备股份有限公司 | Evaporator outlet superheat control method, device, electronic equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH086213Y2 (en) | 1996-02-21 |