JPWO2018029784A1 - 熱交換器及びこの熱交換器を備えた冷凍サイクル装置 - Google Patents
熱交換器及びこの熱交換器を備えた冷凍サイクル装置 Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0417—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with particular circuits for the same heat exchange medium, e.g. with the heat exchange medium flowing through sections having different heat exchange capacities or for heating/cooling the heat exchange medium at different temperatures
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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
- F24F1/16—Arrangement or mounting thereof
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
-
- 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
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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
- F25B39/04—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
- F25B6/00—Compression machines, plants or systems, with several condenser circuits
- F25B6/04—Compression machines, plants or systems, with several condenser circuits arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
- F28D1/0435—Combination of units extending one behind the other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
- F28D1/0452—Combination of units extending one behind the other with units extending one beside or one above the other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
- F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
- F28F9/0275—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes with multiple branch pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/007—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
- F28F2215/04—Assemblies of fins having different features, e.g. with different fin densities
Abstract
Description
図1は、本発明の実施の形態1に係る熱交換器を備えた空気調和機の構成図である。なお、図1において、実線矢印は暖房運転時における冷媒の流れ方向を示し、破線矢印は冷房運転時における冷媒の流れ方向を示している。
室外側熱交換器13は、上流側熱交換器30と下流側熱交換器31とを備えており、上流側熱交換器30と下流側熱交換器31とが別体に構成された構成を有する。
室外側熱交換器13は、第1冷媒流路41〜第9冷媒流路49を有する。そして、室外側熱交換器13の冷媒入口から冷媒出口に至る冷媒流路の前半であって、ガス状及び気液二相状の冷媒が通過する第1冷媒流路41〜第6冷媒流路46を上流側熱交換器30に設けている。また、室外側熱交換器13の冷媒入口から冷媒出口に至る冷媒流路の後半であって、気液二相状及び液状の冷媒が通過する第7冷媒流路47〜第9冷媒流路49を下流側熱交換器31に設けている。
冷房運転時、室外側熱交換器13の筐体(図示せず)内に流入した冷媒は、6分岐される。6分岐された各冷媒は、まず上流側熱交換器30を通過する。すなわち、各冷媒は、第1冷媒流路41、第2冷媒流路42、第3冷媒流路43、第4冷媒流路44、第5冷媒流路45及び第6冷媒流路46を通過する。この際、各冷媒は、室外側熱交換器13の放熱フィン1間を通過する空気と熱交換することで、ガス冷媒から二相冷媒へと変化していく。
上記実施の形態1では上流側熱交換器30と下流側熱交換器31とで熱交換ユニット3の列数を同じとしたが、実施の形態2では下流側熱交換器31の熱交換ユニット3の列数を上流側熱交換器30よりも少ない構成とし、液冷媒が通過する伝熱管2の本数削減を図ったものである。以下、実施の形態2が実施の形態1と異なる構成を中心に説明する。本実施の形態2において記載されていない構成は、実施の形態1と同様である。
実施の形態2の室外側熱交換器13Aは、図2に示した実施の形態1の室外側熱交換器13と比較して下流側熱交換器の構成のみが異なる。それ以外の構成は実施の形態1の室外側熱交換器13と同様である。実施の形態2の下流側熱交換器32は、熱交換ユニットが2列で構成されている。一つの下流側熱交換ユニット32bにおける伝熱管2の本数は、実施の形態1の下流側熱交換ユニット3bと同様であり、この例では8本で構成されている。なお、下流側熱交換ユニット32bの伝熱管2の本数はこの本数に限られない。
A<C
B=D
ここで、
A:上流側熱交換ユニット3aの空気通過方向の幅
B:上流側熱交換ユニット3a全列の空気通過方向の合計の幅
C:下流側熱交換ユニット32bの空気通過方向の幅
D:下流側熱交換ユニット32b全列の空気通過方向の合計の幅
上記実施の形態1及び実施の形態2では、放熱フィン間の幅であるフィンピッチを、上流側熱交換器と下流側熱交換器とで同じとしていたが、実施の形態3では下流側熱交換器のフィンピッチを上流側熱交換器よりも小さくしたものである。以下、実施の形態3が実施の形態2と相違する部分を中心に説明する。本実施の形態3で記載されていない構成は、実施の形態2と同様である。
実施の形態3の室外側熱交換器13Bは、上流側熱交換ユニット3aの放熱フィン1のフィンピッチをE、下流側熱交換ユニット32bの放熱フィン1のフィンピッチをFとした場合、E>Fとしたものである。
第5冷媒流路、45a 入口部、45b 出口部、46 第6冷媒流路、46a 入口部、46b 出口部、47 第7冷媒流路、47a 入口部、47b 出口部、48 第8冷媒流路、48a 入口部、48b 出口部、49 第9冷媒流路、49a 入口部、49b 出口部、50 対向面、51 合流器、52 合流器、53 合流器、100 空気調和機、E フィンピッチ、F フィンピッチ。
Claims (12)
- 複数の冷媒流路を有する熱交換器であって、
前記複数の冷媒流路のそれぞれは、ガス状態で流入した冷媒が液状態となって流出する流路であり、ガス状及び気液二相状の冷媒が通過する上流側流路と、気液二相状及び液状の冷媒が通過する下流側流路とを有しており、
前記熱交換器は、前記上流側流路を有する上流側熱交換器と、前記下流側流路を有する下流側熱交換器と、各上流側流路から流出した冷媒を合流して前記下流側流路に流入させる1又は複数の合流器とを備え、前記上流側熱交換器と前記下流側熱交換器とが別体で構成されており、前記下流側流路の数は、前記上流側流路の数よりも少ない熱交換器。 - 前記上流側熱交換器は前記下流側熱交換器の上方に配置されている請求項1記載の熱交換器。
- 前記上流側熱交換器及び前記下流側熱交換器のそれぞれは、互いに間隔を空けて並設され、その間を空気が通過する複数の放熱フィンと、前記複数の放熱フィンを並設方向に貫通する複数の伝熱管とを有する熱交換ユニットを備える請求項1又は請求項2記載の熱交換器。
- 前記下流側熱交換器を構成する前記伝熱管の本数が前記上流側熱交換器を構成する前記伝熱管の本数よりも少ない請求項3記載の熱交換器。
- 前記下流側熱交換器の前記複数の放熱フィンのフィンピッチが、前記上流側熱交換器の前記複数の放熱フィンのフィンピッチよりも小さい請求項4記載の熱交換器。
- 前記上流側熱交換器及び前記下流側熱交換器のそれぞれは、前記熱交換ユニットを空気通過方向に複数列、配置した構成を有する請求項3〜請求項5の何れか一項に記載の熱交換器。
- 前記下流側熱交換器の前記熱交換ユニットの列数が、前記上流側熱交換器の前記熱交換ユニットの列数よりも少ない請求項6記載の熱交換器。
- 前記上流側熱交換器及び前記下流側熱交換器のそれぞれにおける、前記熱交換ユニット全列の空気通過方向の合計の幅が互いに同じである請求項6又は請求項7記載の熱交換器。
- 前記下流側熱交換器の各列の前記熱交換ユニット同士の前記放熱フィンの空気通過方向の幅が互いに同じである請求項8記載の熱交換器。
- 前記上流側熱交換器の前記熱交換ユニットの列数が3列、前記下流側熱交換器の前記熱交換ユニットの列数が2列である請求項7〜請求項9の何れか一項に記載の熱交換器。
- 前記上流側熱交換器と前記下流側熱交換器との互いの対向面が空気通過方向に延びる平面とした請求項4〜請求項10の何れか一項に記載の熱交換器。
- 請求項1〜請求項11の何れか一項に記載の熱交換器を備えた冷凍サイクル装置。
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KR20180111788A (ko) | 2015-12-18 | 2018-10-11 | 코어 에너지 리커버리 솔루션즈 인코포레이티드 | 엔탈피 교환기 |
JP6964776B2 (ja) * | 2018-07-05 | 2021-11-10 | 三菱電機株式会社 | 冷凍サイクル装置 |
US11397014B2 (en) * | 2019-03-26 | 2022-07-26 | Johnson Controls Tyco IP Holdings LLP | Auxiliary heat exchanger for HVAC system |
EP4141348A4 (en) * | 2020-04-20 | 2023-08-09 | Mitsubishi Electric Corporation | REFRIGERATION CIRCUIT DEVICE |
CN111637583B (zh) * | 2020-05-25 | 2022-06-14 | 宁波奥克斯电气股份有限公司 | 一种冷凝器流路结构、控制方法及空调器 |
WO2021255780A1 (ja) * | 2020-06-15 | 2021-12-23 | 日立ジョンソンコントロールズ空調株式会社 | 空気調和装置の室外機 |
WO2023234121A1 (ja) * | 2022-05-31 | 2023-12-07 | 株式会社デンソーエアクール | 車載用熱交換器 |
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EP3315876B1 (en) | 2020-02-26 |
CN109477669A (zh) | 2019-03-15 |
CN109477669B (zh) | 2020-09-22 |
EP3315876A1 (en) | 2018-05-02 |
JP6681991B2 (ja) | 2020-04-15 |
EP3315876A4 (en) | 2018-11-21 |
US20190154341A1 (en) | 2019-05-23 |
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US10697705B2 (en) | 2020-06-30 |
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