JP7541101B2 - 空気調和装置 - Google Patents
空気調和装置 Download PDFInfo
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- JP7541101B2 JP7541101B2 JP2022547715A JP2022547715A JP7541101B2 JP 7541101 B2 JP7541101 B2 JP 7541101B2 JP 2022547715 A JP2022547715 A JP 2022547715A JP 2022547715 A JP2022547715 A JP 2022547715A JP 7541101 B2 JP7541101 B2 JP 7541101B2
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- outdoor unit
- refrigerant
- valve
- pipe
- connecting pipe
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- 238000004378 air conditioning Methods 0.000 title claims description 21
- 239000003507 refrigerant Substances 0.000 claims description 158
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 38
- 238000010257 thawing Methods 0.000 claims description 36
- 238000011084 recovery Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 description 19
- 238000001816 cooling Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 10
- 238000007710 freezing Methods 0.000 description 10
- 230000008014 freezing Effects 0.000 description 10
- 238000005336 cracking Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Classifications
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
- F25B47/022—Defrosting cycles hot gas defrosting
- F25B47/025—Defrosting cycles hot gas defrosting by reversing the 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
- 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
- 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
- F25B2313/003—Indoor unit with water as a heat sink or heat source
-
- 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
- F25B2313/007—Compression machines, plants or systems with reversible cycle not otherwise provided for three pipes connecting the outdoor side to the indoor side with multiple indoor units
-
- 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
-
- 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
- F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
-
- 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
- F25B2313/0232—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with bypasses
- F25B2313/02322—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with bypasses during defrosting
-
- 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
- F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
- F25B2313/0252—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units with bypasses
- F25B2313/02522—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units with bypasses during defrosting
-
- 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
- F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
- F25B2313/0253—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
-
- 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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
-
- 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
- F25B2600/2501—Bypass 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
- 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
- F25B2700/21—Temperatures
- F25B2700/2103—Temperatures near a heat exchanger
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Other Air-Conditioning Systems (AREA)
Description
Claims (15)
- 空気調和装置であって、
冷媒が循環する室外機と、
水が循環する室内機と、
前記室外機と前記室内機を連結し、前記冷媒と水との間で熱交換を行う熱交換器を備える熱交換装置と、
前記室外機と前記熱交換装置を連結し、高圧の気相冷媒が流動する第1室外機連結管と、
前記室外機と前記熱交換装置を連結し、低圧の気相冷媒が流動する第2室外機連結管と、
前記室外機と前記熱交換装置を連結し、液冷媒が流動する第3室外機連結管と、
前記第3室外機連結管と前記第2室外機連結管を連通するためのバイパス配管と、
前記バイパス配管に備えられるバイパスバルブと、を備え、
前記室外機に備えられる室外熱交換器の除霜のための除霜運転時に、前記第3室外機連結管を介して流入した冷媒が前記熱交換装置を循環することなく前記バイパス配管を介して前記第2室外機連結管に排出される、空気調和装置。 - 前記熱交換装置は、前記熱交換器の入口温度又は出口温度を感知する温度センサーを更に備え、
前記温度センサーで感知された温度が基準温度以下になると、前記バイパスバルブは開放される、請求項1に記載の空気調和装置。 - 前記熱交換装置は、
前記第1室外機連結管に連結される第1配管と、
前記第1配管に備えられる第1バルブと、
前記第2室外機連結管に連結される第3配管と、
前記第3配管に備えられる第2バルブと、
前記第3室外機連結管に連結される冷媒配管と、
前記冷媒配管に備えられる膨張バルブと、を備える、請求項2に記載の空気調和装置。 - 前記温度センサーは、前記冷媒配管のうち前記膨張バルブと前記熱交換器の間に配置される、請求項3に記載の空気調和装置。
- 前記温度センサーは、前記熱交換器に配置され、前記膨張バルブと隣接するように位置される、請求項3に記載の空気調和装置。
- 前記温度センサーで感知された温度が基準温度より高い場合には、前記第1バルブ及び前記バイパスバルブは閉じられ、前記第2バルブ及び前記膨張バルブは開放される、請求項3に記載の空気調和装置。
- 前記温度センサーで感知された温度が基準温度以下になると、前記バイパスバルブは開放され、前記第2バルブ及び前記膨張バルブは閉じられる、請求項3に記載の空気調和装置。
- 前記除霜運転、
前記室外機に備えられる圧縮機でオイルを回収するためのオイル回収運転、及び、
前記室外機で冷媒を回収するためのポンプダウン運転、のうちの一つ以上の運転中に、前記温度センサーで感知された温度が基準温度以下になると、前記バイパスバルブは開放される、請求項2に記載の空気調和装置。 - 前記室外機は、前記第3室外機連結管における冷媒の流動を調節する室外機バルブを更に備え、
前記除霜運転又は前記オイル回収運転時には、前記室外機バルブは開放され、
前記ポンプダウン運転時には、前記室外機バルブは閉じられる、請求項8に記載の空気調和装置。 - 前記バイパスバルブが開放された以後に、前記除霜運転、前記オイル回収運転、又はポンプダウン運転が終了すると、前記バイパスバルブは閉じられる、請求項8に記載の空気調和装置。
- 前記熱交換装置は、
前記第1室外機連結管に連結される第1配管と、
前記第1配管に備えられる第1バルブと、
前記第2室外機連結管に連結される第3配管と、
前記第3配管に備えられる第2バルブと、
前記第3室外機連結管に連結される冷媒配管と、
前記冷媒配管に備えられる膨張バルブと、を備え、
前記バイパス配管は、前記第2室外機連結管又は前記第3配管に連結される、請求項1に記載の空気調和装置。 - 前記室外機に備えられる室外熱交換器の除霜のための除霜運転、
前記室外機に備えられる圧縮機でオイルを回収するためのオイル回収運転、及び、
前記室外機で冷媒を回収するためのポンプダウン運転、のうちの一つ以上の運転中に、前記バイパスバルブは開放される、請求項1に記載の空気調和装置。 - 前記除霜運転、
オイル回収運転、及び
前記ポンプダウン運転、のうちの何れか一つの運転が開始すると、前記バイパスバルブは直ちに開放される、請求項12に記載の空気調和装置。 - 前記除霜運転、
オイル回収運転、及び
前記ポンプダウン運転、のうち何れか一つの運転が開始し、設定時間が経過すると、前記バイパスバルブは開放される、請求項12に記載の空気調和装置。 - 前記熱交換装置は、
前記第1室外機連結管に連結される第1配管と、
前記第1配管に備えられる第1バルブと、
前記第2室外機連結管に連結される第3配管と、
前記第3配管に備えられる第2バルブと、
前記第3室外機連結管に連結される冷媒配管と、
前記冷媒配管に備えられる膨張バルブと、を備え、
前記バイパスバルブが開放される時、前記第1バルブ、前記第2バルブ、及び前記膨張バルブは閉じられる、請求項12に記載の空気調和装置。
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KR1020200014462A KR20210100461A (ko) | 2020-02-06 | 2020-02-06 | 공기 조화 장치 |
KR10-2020-0014462 | 2020-02-06 | ||
PCT/KR2020/016031 WO2021157820A1 (en) | 2020-02-06 | 2020-11-13 | Air conditioner |
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JP2023503192A JP2023503192A (ja) | 2023-01-26 |
JP7541101B2 true JP7541101B2 (ja) | 2024-08-27 |
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US (1) | US20230074034A1 (ja) |
EP (1) | EP4100686A4 (ja) |
JP (1) | JP7541101B2 (ja) |
KR (1) | KR20210100461A (ja) |
CN (1) | CN115038917A (ja) |
WO (1) | WO2021157820A1 (ja) |
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KR20210083047A (ko) * | 2019-12-26 | 2021-07-06 | 엘지전자 주식회사 | 공기조화장치 |
KR20210085443A (ko) | 2019-12-30 | 2021-07-08 | 엘지전자 주식회사 | 공기조화장치 |
KR20210098783A (ko) * | 2020-02-03 | 2021-08-11 | 엘지전자 주식회사 | 공기조화장치 |
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WO2021157820A1 (en) | 2021-08-12 |
CN115038917A (zh) | 2022-09-09 |
EP4100686A4 (en) | 2024-02-07 |
KR20210100461A (ko) | 2021-08-17 |
JP2023503192A (ja) | 2023-01-26 |
US20230074034A1 (en) | 2023-03-09 |
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