EP3978817A4 - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
- Publication number
- EP3978817A4 EP3978817A4 EP20813372.8A EP20813372A EP3978817A4 EP 3978817 A4 EP3978817 A4 EP 3978817A4 EP 20813372 A EP20813372 A EP 20813372A EP 3978817 A4 EP3978817 A4 EP 3978817A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- conditioning system
- conditioning
- 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
- 238000004378 air conditioning Methods 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/37—Resuming operation, e.g. after power outages; Emergency starting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/30—Condensation of water from cooled air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0251—Compressor control by controlling speed with on-off operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1933—Suction pressures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019099587 | 2019-05-28 | ||
PCT/JP2020/015853 WO2020241076A1 (en) | 2019-05-28 | 2020-04-08 | Air-conditioning system |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3978817A1 EP3978817A1 (en) | 2022-04-06 |
EP3978817A4 true EP3978817A4 (en) | 2022-07-27 |
EP3978817B1 EP3978817B1 (en) | 2024-01-10 |
Family
ID=73552333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20813372.8A Active EP3978817B1 (en) | 2019-05-28 | 2020-04-08 | Air-conditioning system |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220146173A1 (en) |
EP (1) | EP3978817B1 (en) |
JP (1) | JP6844731B2 (en) |
CN (1) | CN113874661B (en) |
WO (1) | WO2020241076A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7311755B2 (en) * | 2019-05-28 | 2023-07-20 | ダイキン工業株式会社 | air conditioning system |
JP7375490B2 (en) * | 2019-11-21 | 2023-11-08 | 株式会社富士通ゼネラル | air conditioner |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6254352B1 (en) * | 1998-01-29 | 2001-07-03 | Sanyo Electric Co., Ltd. | Compressor control system for air conditioner |
JP2005077056A (en) * | 2003-09-03 | 2005-03-24 | Mitsubishi Electric Corp | Air conditioner |
US20070102149A1 (en) * | 2004-10-06 | 2007-05-10 | Lawrence Kates | Electronically-controlled register vent for zone heating and cooling |
US20100076605A1 (en) * | 2008-09-19 | 2010-03-25 | Johnson Controls Technology Company | HVAC System Controller Configuration |
US20120022703A1 (en) * | 2010-07-23 | 2012-01-26 | Yeo Jongseob | Air conditioner and method for controlling the same |
JP2014196872A (en) * | 2013-03-29 | 2014-10-16 | パナソニック株式会社 | Air conditioning system |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62238947A (en) * | 1986-04-11 | 1987-10-19 | 株式会社日立製作所 | Operation controller for air conditioner |
US6237357B1 (en) * | 1999-06-07 | 2001-05-29 | Mitsubishi Heavy Industries, Ltd. | Vehicular air conditioner using heat pump |
JP4179366B2 (en) * | 2006-08-31 | 2008-11-12 | ダイキン工業株式会社 | Air conditioner |
US20120101673A1 (en) * | 2010-10-26 | 2012-04-26 | Jeffrey Andrew Caddick | Hybrid Vehicle Control System For Cold Plate Refrigeration And Method Of The Same |
JP2013040698A (en) | 2011-08-11 | 2013-02-28 | Fujitsu General Ltd | Multi-type air conditioner |
JP2017096531A (en) * | 2015-11-20 | 2017-06-01 | 三菱重工業株式会社 | Air conditioning system, and control method/program thereof |
CN106123117A (en) * | 2016-06-29 | 2016-11-16 | 青岛海尔空调电子有限公司 | A kind of air conditioning unit and control method of multi-connected machine |
WO2018154718A1 (en) * | 2017-02-24 | 2018-08-30 | 三菱電機株式会社 | Air conditioning system |
CN109357440B (en) * | 2018-10-26 | 2019-11-05 | 宁波奥克斯电气股份有限公司 | A kind of multi-connected machine heating method for controlling oil return and multi-gang air-conditioner device |
CN109631380B (en) * | 2018-11-16 | 2021-08-06 | 青岛海尔空调电子有限公司 | Air conditioner outdoor unit and air conditioner |
JP7311755B2 (en) * | 2019-05-28 | 2023-07-20 | ダイキン工業株式会社 | air conditioning system |
-
2020
- 2020-04-08 JP JP2020069647A patent/JP6844731B2/en active Active
- 2020-04-08 CN CN202080038527.7A patent/CN113874661B/en active Active
- 2020-04-08 US US17/614,280 patent/US20220146173A1/en not_active Abandoned
- 2020-04-08 WO PCT/JP2020/015853 patent/WO2020241076A1/en unknown
- 2020-04-08 EP EP20813372.8A patent/EP3978817B1/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6254352B1 (en) * | 1998-01-29 | 2001-07-03 | Sanyo Electric Co., Ltd. | Compressor control system for air conditioner |
JP2005077056A (en) * | 2003-09-03 | 2005-03-24 | Mitsubishi Electric Corp | Air conditioner |
US20070102149A1 (en) * | 2004-10-06 | 2007-05-10 | Lawrence Kates | Electronically-controlled register vent for zone heating and cooling |
US20100076605A1 (en) * | 2008-09-19 | 2010-03-25 | Johnson Controls Technology Company | HVAC System Controller Configuration |
US20120022703A1 (en) * | 2010-07-23 | 2012-01-26 | Yeo Jongseob | Air conditioner and method for controlling the same |
JP2014196872A (en) * | 2013-03-29 | 2014-10-16 | パナソニック株式会社 | Air conditioning system |
Non-Patent Citations (1)
Title |
---|
See also references of WO2020241076A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP6844731B2 (en) | 2021-03-17 |
US20220146173A1 (en) | 2022-05-12 |
CN113874661B (en) | 2023-03-31 |
EP3978817A1 (en) | 2022-04-06 |
JP2020197370A (en) | 2020-12-10 |
WO2020241076A1 (en) | 2020-12-03 |
CN113874661A (en) | 2021-12-31 |
EP3978817B1 (en) | 2024-01-10 |
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