JP6352401B2 - 空気調和装置 - Google Patents
空気調和装置 Download PDFInfo
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- JP6352401B2 JP6352401B2 JP2016514580A JP2016514580A JP6352401B2 JP 6352401 B2 JP6352401 B2 JP 6352401B2 JP 2016514580 A JP2016514580 A JP 2016514580A JP 2016514580 A JP2016514580 A JP 2016514580A JP 6352401 B2 JP6352401 B2 JP 6352401B2
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- 239000003507 refrigerant Substances 0.000 claims description 109
- 239000007788 liquid Substances 0.000 claims description 105
- 238000004891 communication Methods 0.000 claims description 20
- 238000005057 refrigeration Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004378 air conditioning Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 5
- 238000009826 distribution Methods 0.000 description 35
- 239000012071 phase Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000010257 thawing Methods 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005514 two-phase flow Effects 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
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- 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
- F24F11/89—Arrangement or mounting of control or safety devices
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/005—Compression machines, plants or systems with non-reversible cycle of the single unit type
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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
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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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
- F25B40/00—Subcoolers, desuperheaters or superheaters
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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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
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/04—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases
- F25B43/043—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for withdrawing non-condensible gases for compression type 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
- 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
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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
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
- F24F2013/202—Mounting a compressor unit therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/16—Details or features not otherwise provided for mounted on the roof
-
- 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
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
-
- 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
- F25B2400/12—Inflammable refrigerants
- F25B2400/121—Inflammable refrigerants using R1234
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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
- 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
- F25B2400/23—Separators
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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
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
-
- 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
- F25B41/42—Arrangements for diverging or converging flows, e.g. branch lines or junctions
-
- 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
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/02—Compression machines, plants or systems, with several condenser circuits arranged in parallel
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)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Other Air-Conditioning Systems (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
図1は、本発明の実施の形態1に関する、冷凍回路の構成を示す図である。本実施の形態1の空気調和装置の冷凍回路は、対象空間に対して据付けられ冷暖房を行う空気調和機として機能するものである。よって、冷房時、冷媒は図1において点線矢印で示されるように流れ、暖房時、冷媒は実線矢印で示されるように流れる。
次に、図6〜図8に基づき、本発明の実施の形態2について説明する。図6は、本実施の形態2に係るビル用マルチエアコン室外機の分流器と熱交換器との接続構成を示す図であり、図7は、本実施の形態2に関し、2列熱交換器の場合の1列目(前列)と2列目(後列)の構成を示す図であり、図8は、本実施の形態2に関し、2列熱交換器の場合の上部ヘッダーの内部構造を示す図である。なお、本実施の形態2は、以下に説明する部分および限定を除いては、上述した実施の形態1と同様であるものとする。
Claims (5)
- 冷媒を吐出する圧縮機、室外熱交換器、減圧弁および室内熱交換器を含む冷凍回路と、トップフロー型室外機とを備え、
前記室外熱交換器は、トップフロー型室外機に設けられており、
前記室外熱交換器は、第一の液側ヘッダーパイプ、第一のガス側ヘッダーパイプ、第一の熱交換パイプを有する第一の熱交換面と、第二の液側ヘッダーパイプ、第二のガス側ヘッダーパイプ、第二の熱交換パイプを有する第二の熱交換面と、
前記冷媒を前記第一の液側ヘッダーパイプおよび前記第二の液側ヘッダーパイプに分配する分流部を有し、
前記第一の熱交換面と前記第二の熱交換面は並列に接続されており、
前記第一の液側ヘッダーパイプと前記分流部との間および前記第二の液側ヘッダーパイプと前記分流部との間のそれぞれには前記冷媒の流量を調整する流量調整部が接続されており、
前記第一の熱交換面は、複数の熱交換パイプと、前記複数の熱交換パイプを並列接続させる列間接続部とを有し、
前記複数の熱交換パイプは、複数の前記第一の熱交換パイプと、複数の前記第一の熱交換パイプの風下側に離間して配置された複数の第三の熱交換パイプとを含み、
前記列間接続部は、隔壁で互いに隔離され、接続対象の第一の熱交換パイプと第三の熱交換パイプとを連通する複数の連通部を有し、
前記第一の液側ヘッダーパイプに流入した前記冷媒は、前記複数の第一の熱交換パイプ、前記列間接続部の前記複数の連通部、前記複数の第三の熱交換パイプ、前記第一のガス側ヘッダーパイプの順に流れ、
前記複数の第一の熱交換パイプを流れる冷媒と、前記複数の第三の熱交換パイプを流れる冷媒とは、対向流の関係である、
空気調和装置。 - 前記冷凍回路は、気液分離器を有し、
前記気液分離器で分離された液または二相冷媒を前記液側集合管へ供給する、
請求項1の空気調和装置。 - 前記気液分離された冷媒ガスを高圧の液冷媒で加熱して前記圧縮機の吸入部に戻す、
請求項2の空気調和装置。 - 冷媒圧損の大きい冷媒が用いられる、
請求項1〜3の何れか一項の空気調和装置。 - 冷媒として、低圧冷媒であるHFO1234yf、HFO1234ze又はR134aを用いる、
請求項1〜4の何れか一項の空気調和装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2014/061285 WO2015162689A1 (ja) | 2014-04-22 | 2014-04-22 | 空気調和装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2015162689A1 JPWO2015162689A1 (ja) | 2017-04-13 |
JP6352401B2 true JP6352401B2 (ja) | 2018-07-04 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2016514580A Active JP6352401B2 (ja) | 2014-04-22 | 2014-04-22 | 空気調和装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US10393408B2 (ja) |
EP (1) | EP3141825A4 (ja) |
JP (1) | JP6352401B2 (ja) |
KR (1) | KR20160146885A (ja) |
CN (1) | CN106233077B (ja) |
AU (1) | AU2014391505B2 (ja) |
WO (1) | WO2015162689A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US12044480B2 (en) | 2019-02-04 | 2024-07-23 | Mitsubishi Electric Corporation | Heat exchanger and air-conditioning apparatus including the same |
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EP3015793B1 (en) * | 2014-10-29 | 2018-01-10 | LG Electronics Inc. | Air conditioner and method of controlling the same |
JP6490232B2 (ja) * | 2015-10-26 | 2019-03-27 | 三菱電機株式会社 | 空気調和装置 |
WO2017221401A1 (ja) * | 2016-06-24 | 2017-12-28 | 三菱電機株式会社 | 冷媒分岐分配器およびそれを備えた熱交換器ならびに冷凍サイクル装置 |
JPWO2018025305A1 (ja) * | 2016-08-01 | 2019-03-22 | 三菱電機株式会社 | 空気調和機 |
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US11506402B2 (en) | 2018-06-11 | 2022-11-22 | Mitsubishi Electric Corporation | Outdoor unit of air-conditioning apparatus and air-conditioning apparatus |
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WO2020255187A1 (ja) * | 2019-06-17 | 2020-12-24 | 三菱電機株式会社 | 空気調和機 |
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- 2014-04-22 US US15/305,152 patent/US10393408B2/en active Active
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US12044480B2 (en) | 2019-02-04 | 2024-07-23 | Mitsubishi Electric Corporation | Heat exchanger and air-conditioning apparatus including the same |
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US10393408B2 (en) | 2019-08-27 |
EP3141825A1 (en) | 2017-03-15 |
CN106233077A (zh) | 2016-12-14 |
US20170122630A1 (en) | 2017-05-04 |
CN106233077B (zh) | 2019-08-09 |
EP3141825A4 (en) | 2018-01-03 |
AU2014391505A1 (en) | 2016-11-10 |
JPWO2015162689A1 (ja) | 2017-04-13 |
WO2015162689A1 (ja) | 2015-10-29 |
KR20160146885A (ko) | 2016-12-21 |
AU2014391505B2 (en) | 2018-11-22 |
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