JPH0270168U - - Google Patents
Info
- Publication number
- JPH0270168U JPH0270168U JP14972388U JP14972388U JPH0270168U JP H0270168 U JPH0270168 U JP H0270168U JP 14972388 U JP14972388 U JP 14972388U JP 14972388 U JP14972388 U JP 14972388U JP H0270168 U JPH0270168 U JP H0270168U
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- expansion valve
- electric expansion
- compressor
- refrigerator
- 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
- 238000007689 inspection Methods 0.000 claims description 3
- 239000003507 refrigerant Substances 0.000 claims 5
- 230000008020 evaporation Effects 0.000 claims 2
- 238000001704 evaporation Methods 0.000 claims 2
- 230000002159 abnormal effect Effects 0.000 claims 1
- 230000005856 abnormality Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は、本考案の一実施例としての制御装置
の概略構成図、第２図は、本考案の一実施例とし
ての制御装置のフローチヤート図、第３図は、従
来の制御装置の概略構成図である。
１……圧縮機、２……凝縮器、３……電気膨張
弁、４……蒸発器、５……圧力センサ、６……制
御装置、６ａ……従来の制御装置、６ｂ……点検
手段、７……点検スイツチ、８……リレー、９…
…電源、１０，１１，１２，１３，１５，１８，
２１……切換手段、１４……第１動作処理部、１
６……第１異常処理部、１７……第２動作処理部
、１９……第２異常処理部、２０……第３動作処
理部、２２……第３異常処理部、２３……ランプ
消灯手段、３１……起動手段、３２……通常運転
制御部、５０……温度センサ、５１……設定温度
入力手段、５２……ランプ、６１……第１動作制
御部、６２……第２動作制御部、６３……第３動
作制御部。
FIG. 1 is a schematic configuration diagram of a control device as an embodiment of the present invention, FIG. 2 is a flowchart of a control device as an embodiment of the present invention, and FIG. 3 is a diagram of a conventional control device. It is a schematic configuration diagram. DESCRIPTION OF SYMBOLS 1... Compressor, 2... Condenser, 3... Electric expansion valve, 4... Evaporator, 5... Pressure sensor, 6... Control device, 6a... Conventional control device, 6b... Inspection means , 7...Inspection switch, 8...Relay, 9...
...power supply, 10, 11, 12, 13, 15, 18,
21...Switching means, 14...First operation processing section, 1
6...First abnormality processing section, 17...Second operation processing section, 19...Second abnormality processing section, 20...Third operation processing section, 22...Third abnormality processing section, 23...Lamp off Means, 31...Starting means, 32...Normal operation control section, 50...Temperature sensor, 51...Set temperature input means, 52...Lamp, 61...First operation control section, 62...Second operation Control unit, 63...Third operation control unit.
Claims (1)
を庫外に放出し冷媒を凝縮する凝縮器２と、冷媒
の蒸発圧力および流量を絞り可変とする電気膨張
弁３と、冷媒の蒸発で庫内の熱を吸収する蒸発器
４を有する冷凍機を、圧力センサ５で冷媒の蒸発
圧力を検出して該電気膨張弁３の絞り調整をし、
かつ該圧縮機１の稼動を制御する制御装置６であ
つて、該電気膨張弁３の絞り機能が正常に動作す
るか、否かを電気膨張弁３を開閉させながら、圧
縮機を運転・停止させ、所定時間内の圧力変化を
圧力センサで正常が異常かを検出できる点検手段
を有することを特徴とする冷凍機用制御装置。 A compressor 1 that compresses refrigerant, a condenser 2 that releases heat of the compressed refrigerant to the outside of the refrigerator and condenses the refrigerant, and an electric expansion valve 3 that throttles and varies the evaporation pressure and flow rate of the refrigerant; A refrigerator having an evaporator 4 that absorbs heat inside the refrigerator is equipped with a pressure sensor 5 that detects the evaporation pressure of the refrigerant and adjusts the throttle of the electric expansion valve 3.
and a control device 6 for controlling the operation of the compressor 1, which operates and stops the compressor while opening and closing the electric expansion valve 3 to check whether the throttling function of the electric expansion valve 3 operates normally. 1. A control device for a refrigerating machine, characterized in that it has an inspection means that can detect whether the pressure changes within a predetermined time are normal or abnormal using a pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988149723U JPH0749330Y2 (en) | 1988-11-18 | 1988-11-18 | Refrigerator control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988149723U JPH0749330Y2 (en) | 1988-11-18 | 1988-11-18 | Refrigerator control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0270168U true JPH0270168U (en) | 1990-05-28 |
| JPH0749330Y2 JPH0749330Y2 (en) | 1995-11-13 |
Family
ID=31422217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988149723U Expired - Fee Related JPH0749330Y2 (en) | 1988-11-18 | 1988-11-18 | Refrigerator control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0749330Y2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009119130A1 (en) * | 2008-03-28 | 2009-10-01 | 三菱重工業株式会社 | Multi-air-conditioner, method for checking operation of indoor electronic expansion valve of indoor unit, computer program, and failure diagnosis device |
| JP2011064458A (en) * | 2011-01-04 | 2011-03-31 | Mitsubishi Heavy Ind Ltd | Valve check method for refrigerating circuit |
| WO2016071947A1 (en) * | 2014-11-04 | 2016-05-12 | 三菱電機株式会社 | Refrigeration cycle device and abnormality detection system for refrigeration cycle device |
| WO2019187526A1 (en) * | 2018-03-28 | 2019-10-03 | 三菱重工サーマルシステムズ株式会社 | Control device, compressor, electric compressor, belt-driven compressor, vehicle air conditioner, and control method |
| CN114811862A (en) * | 2022-03-31 | 2022-07-29 | 青岛海尔空调电子有限公司 | Refrigerant system, and control method and control device thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS636351A (en) * | 1986-06-26 | 1988-01-12 | ダイキン工業株式会社 | Trouble detector for electric expansion valve of air conditioner |
| JPS63194173A (en) * | 1987-02-04 | 1988-08-11 | ダイキン工業株式会社 | Trouble detector for electric expansion valve in refrigerator |
-
1988
- 1988-11-18 JP JP1988149723U patent/JPH0749330Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS636351A (en) * | 1986-06-26 | 1988-01-12 | ダイキン工業株式会社 | Trouble detector for electric expansion valve of air conditioner |
| JPS63194173A (en) * | 1987-02-04 | 1988-08-11 | ダイキン工業株式会社 | Trouble detector for electric expansion valve in refrigerator |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009119130A1 (en) * | 2008-03-28 | 2009-10-01 | 三菱重工業株式会社 | Multi-air-conditioner, method for checking operation of indoor electronic expansion valve of indoor unit, computer program, and failure diagnosis device |
| JP2009243720A (en) * | 2008-03-28 | 2009-10-22 | Mitsubishi Heavy Ind Ltd | Multi-type air conditioner, method for checking operation of indoor electronic expansion valve of indoor unit, computer program, and failure diagnosis device |
| JP2011064458A (en) * | 2011-01-04 | 2011-03-31 | Mitsubishi Heavy Ind Ltd | Valve check method for refrigerating circuit |
| WO2016071947A1 (en) * | 2014-11-04 | 2016-05-12 | 三菱電機株式会社 | Refrigeration cycle device and abnormality detection system for refrigeration cycle device |
| JPWO2016071947A1 (en) * | 2014-11-04 | 2017-04-27 | 三菱電機株式会社 | Refrigeration cycle apparatus and refrigeration cycle apparatus abnormality detection system |
| US10161661B2 (en) | 2014-11-04 | 2018-12-25 | Mitsubishi Electric Corporation | Refrigeration cycle apparatus, and abnormality detection system for refrigeration cycle apparatus |
| WO2019187526A1 (en) * | 2018-03-28 | 2019-10-03 | 三菱重工サーマルシステムズ株式会社 | Control device, compressor, electric compressor, belt-driven compressor, vehicle air conditioner, and control method |
| CN111868458A (en) * | 2018-03-28 | 2020-10-30 | 三菱重工制冷空调系统株式会社 | Control device, compressor, electric compressor, conveyor belt-driven compressor, air conditioning device for vehicle, and control method |
| CN114811862A (en) * | 2022-03-31 | 2022-07-29 | 青岛海尔空调电子有限公司 | Refrigerant system, and control method and control device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0749330Y2 (en) | 1995-11-13 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |