JP6104893B2 - 熱交換器、冷凍サイクル装置、空気調和機及び熱交換方法 - Google Patents
熱交換器、冷凍サイクル装置、空気調和機及び熱交換方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 11
- 238000005057 refrigeration Methods 0.000 title claims 2
- 239000003507 refrigerant Substances 0.000 claims description 55
- 238000009826 distribution Methods 0.000 claims description 25
- 239000002826 coolant Substances 0.000 claims description 6
- 239000007788 liquid Substances 0.000 description 17
- 230000005484 gravity Effects 0.000 description 8
- 238000004891 communication Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000007791 liquid phase 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
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- 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
- F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
-
- 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
- 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
- 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
-
- 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
-
- 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
- F28D1/053—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 the conduits being straight
- F28D1/0535—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 the conduits being straight the conduits having a non-circular cross-section
- F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
-
- 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
-
- 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
-
- 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
- F28F9/0273—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 holes
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- 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)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Other Air-Conditioning Systems (AREA)
Description
さらに、同目的を達成する本発明の熱交換方法は、複数の面で熱交換を行う熱交換方法であって、複数の熱交換機能面それぞれにおいて、上部ヘッダーパイプ及び下部ヘッダーパイプと、それら上下一対のヘッダーパイプの間に設けられた複数の熱交換パイプとを用意し、前記複数の熱交換機能面を並列に接続し、複数の前記下部ヘッダーパイプは、分流調整部を介して、下部集合管とつなげておき、前記下部集合管内の冷媒を、前記分流調整部において前記複数の熱交換機能面に並列に分流させ、前記複数の熱交換機能面のそれぞれで熱交換を行わせ、複数の前記上部ヘッダーパイプから流出させて、上部側集合管に合流させる。
図1は、本実施の形態1に係る熱交換器の構成を示す図である。本実施の形態の熱交換器は、対象空間に対して据付けられ冷暖房を行う空気調和機の室外機として機能するものである。よって、冷房時、凝縮器として動作する場合は、冷媒は、図1において点線矢印で示されるように、上から下へと流れ、暖房時、蒸発器として動作する場合は、冷媒は、図1において実線矢印で示されるように、下から上へと流れるパラレルフロー型熱交換器である。
図6に基づいて本発明の実施の形態2について説明する。上記実施の形態1では、複数の熱交換機能面に対し、冷媒乾き度を均等に調整し、各熱交換機能面で異なる熱負荷(主に熱交換部の通過風速に依存する)に応じて冷媒流量を変更する態様を例示していたが、本発明は、これに限定されるものではない。すなわち、本発明は、複数の熱交換機能面において冷媒乾き度及び/又は冷媒流量が異なるように調整する態様も含むものである。具体的な適用例としては、パッケージエアコン室外機への適用を挙げる。図6は、パッケージエアコン室外機の外観及び平面を示す図である。
Claims (7)
- 上部ヘッダーパイプ及び下部ヘッダーパイプと、それら上下一対のヘッダーパイプの間に設けられた複数の熱交換パイプとを有する熱交換機能面を複数備え、
前記複数の熱交換機能面は、並列接続関係にあるとともに、筐体の複数面に沿って配置されており、
複数の前記下部ヘッダーパイプは、分流調整部を介して、下部集合管とつながっており、
複数の前記下部ヘッダーパイプはそれぞれ、その内部に、下部に分配孔を備えた多孔管を有しており、
前記分流調整部は、ディストリビュータと、少なくとも一つの流量調整部とを含んでおり、
前記ディストリビュータは、前記下部集合管と前記複数の下部ヘッダーパイプとの間に設けられて、前記複数の下部ヘッダーパイプの前記多孔管に供給する冷媒の乾き度を均等にし、
前記少なくとも一つの流量調整部は、前記ディストリビュータと、対応する前記下部ヘッダーパイプとの間に配置されており、
前記ディストリビュータから前記多孔管内に流入したときの冷媒は、前記多孔管内から前記分配孔を通って前記多孔管の外に流出して前記下部ヘッダーパイプ内に分散する、
熱交換器。 - 前記熱交換機能面それぞれにおいて、前記下部ヘッダーパイプの集合側出入口は、該下部ヘッダーパイプの一端側に設けられており、前記上部ヘッダーパイプの集合側出入口は、該上部ヘッダーパイプの他端側に設けられている、請求項1の熱交換器。
- 低圧冷媒であるHFO1234yf、HFO1234ze又はR134aを用いる、請求項1または2の熱交換器。
- 請求項1〜3の何れか一項の前記熱交換器を含む冷凍サイクル装置。
- 請求項1〜3の何れか一項の前記熱交換器を含む空気調和機。
- 複数の面で熱交換を行う熱交換方法であって、
複数の熱交換機能面それぞれにおいて、上部ヘッダーパイプ及び下部ヘッダーパイプと、それら上下一対のヘッダーパイプの間に設けられた複数の熱交換パイプとを用意し、
複数の前記下部ヘッダーパイプはそれぞれ、その内部に、下部に分配孔を備えた多孔管を有しており、
前記複数の熱交換機能面を、並列に接続するとともに、筐体の複数面に沿って配置し、 複数の前記下部ヘッダーパイプは、分流調整部を介して、下部集合管とつなげておき、
前記分流調整部は、ディストリビュータと、少なくとも一つの流量調整部とを含んでおり、
前記少なくとも一つの流量調整部は、前記ディストリビュータと、対応する前記下部ヘッダーパイプとの間に配置されており、
前記下部集合管内の冷媒を、前記分流調整部において前記複数の熱交換機能面に並列に分流させ、前記複数の熱交換機能面のそれぞれで熱交換を行わせ、複数の前記上部ヘッダーパイプから流出させて、上部側集合管に合流させ、
前記ディストリビュータは、前記下部集合管と前記複数の下部ヘッダーパイプとの間に設けられて、前記複数の下部ヘッダーパイプの前記多孔管に供給する冷媒の乾き度を均等にし、
前記ディストリビュータから前記多孔管内に流入したときの冷媒を、前記多孔管内から前記分配孔を通って前記多孔管の外に流出させ、前記下部ヘッダーパイプ内に分散させる、
熱交換方法。 - 低圧冷媒であるHFO1234yf、HFO1234ze又はR134aを用いる、請求項6の熱交換方法。
Applications Claiming Priority (1)
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PCT/JP2012/061232 WO2013161038A1 (ja) | 2012-04-26 | 2012-04-26 | 熱交換器及び熱交換方法 |
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Country Status (6)
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US (1) | US20150083383A1 (ja) |
EP (1) | EP2863161B1 (ja) |
JP (1) | JP6104893B2 (ja) |
CN (2) | CN104335000B (ja) |
ES (1) | ES2702291T3 (ja) |
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WO2016181509A1 (ja) * | 2015-05-12 | 2016-11-17 | 三菱電機株式会社 | コルゲートフィン型熱交換器、冷凍サイクル装置、コルゲートフィンの製造装置、及びコルゲートフィン型熱交換器の製造方法 |
US10415860B2 (en) * | 2015-09-09 | 2019-09-17 | Mitsubishi Electric Corporation | Air-conditioning apparatus |
JP6650752B2 (ja) * | 2015-12-24 | 2020-02-19 | 株式会社前川製作所 | 空冷式熱交換ユニット及びクーラユニット |
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CN101907376B (zh) * | 2009-06-02 | 2012-07-25 | 江森自控楼宇设备科技(无锡)有限公司 | 用于制冷系统中的制冷剂的分配装置 |
CN101762201B (zh) * | 2010-01-05 | 2012-07-04 | 华北电力大学 | 一种应用于联箱分支管两相流均匀分配的笛形均流器 |
KR20110104667A (ko) * | 2010-03-17 | 2011-09-23 | 엘지전자 주식회사 | 냉매 분배장치, 그 냉매 분배장치를 구비하는 증발기 및 냉동장치 |
JP5608478B2 (ja) * | 2010-08-31 | 2014-10-15 | 日立アプライアンス株式会社 | 熱交換器及びそれを用いた空気調和機 |
CN101949663B (zh) * | 2010-09-13 | 2011-09-28 | 三花丹佛斯(杭州)微通道换热器有限公司 | 制冷剂导管和具有该制冷剂导管的换热器 |
US8408284B2 (en) * | 2011-05-05 | 2013-04-02 | Delphi Technologies, Inc. | Heat exchanger assembly |
-
2012
- 2012-04-26 CN CN201280073357.1A patent/CN104335000B/zh active Active
- 2012-04-26 US US14/391,466 patent/US20150083383A1/en not_active Abandoned
- 2012-04-26 EP EP12875231.8A patent/EP2863161B1/en active Active
- 2012-04-26 WO PCT/JP2012/061232 patent/WO2013161038A1/ja active Application Filing
- 2012-04-26 JP JP2014512239A patent/JP6104893B2/ja active Active
- 2012-04-26 ES ES12875231T patent/ES2702291T3/es active Active
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- 2013-04-26 CN CN2013202178156U patent/CN203323459U/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
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WO2013161038A1 (ja) | 2013-10-31 |
CN104335000B (zh) | 2016-09-14 |
ES2702291T3 (es) | 2019-02-28 |
CN203323459U (zh) | 2013-12-04 |
US20150083383A1 (en) | 2015-03-26 |
JPWO2013161038A1 (ja) | 2015-12-21 |
EP2863161B1 (en) | 2018-11-14 |
EP2863161A1 (en) | 2015-04-22 |
CN104335000A (zh) | 2015-02-04 |
EP2863161A4 (en) | 2016-03-23 |
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