WO2015004720A1 - Échangeur de chaleur, et appareil de conditionnement de l'air - Google Patents

Échangeur de chaleur, et appareil de conditionnement de l'air Download PDF

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Publication number
WO2015004720A1
WO2015004720A1 PCT/JP2013/068677 JP2013068677W WO2015004720A1 WO 2015004720 A1 WO2015004720 A1 WO 2015004720A1 JP 2013068677 W JP2013068677 W JP 2013068677W WO 2015004720 A1 WO2015004720 A1 WO 2015004720A1
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WO
WIPO (PCT)
Prior art keywords
fins
heat exchanger
refrigerant
air conditioner
header
Prior art date
Application number
PCT/JP2013/068677
Other languages
English (en)
Japanese (ja)
Inventor
石橋　晃
拓也 松田
岡崎　多佳志
厚志 望月
Original Assignee
三菱電機株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2013/068677 priority Critical patent/WO2015004720A1/fr
Priority to EP14823375.2A priority patent/EP3021064B1/fr
Priority to US14/902,031 priority patent/US20160298886A1/en
Priority to JP2015526356A priority patent/JPWO2015005352A1/ja
Priority to PCT/JP2014/068203 priority patent/WO2015005352A1/fr
Priority to CN201480039081.4A priority patent/CN105452794A/zh
Publication of WO2015004720A1 publication Critical patent/WO2015004720A1/fr

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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
    • F25B39/00—Evaporators; 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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
    • F28D1/0443—Combination of units extending one beside or one above 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
    • F28D1/053—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
    • F28D1/05383—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
    • 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
    • F28D1/05391—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits combined with a particular flow pattern, e.g. multi-row multi-stage radiators
    • 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
    • F28F1/02—Tubular elements of cross-section which is non-circular
    • F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
    • 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
    • F25B2500/01—Geometry problems, e.g. for reducing size
    • 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
    • F28F2260/00—Heat exchangers or heat exchange elements having special size, e.g. microstructures
    • F28F2260/02—Heat exchangers or heat exchange elements having special size, e.g. microstructures having microchannels

Definitions

  • the present invention relates to a heat exchanger and an air conditioner including the heat exchanger.
  • the present invention has been made to solve the above-described problems, and provides a heat exchanger and an air conditioner that can improve heat exchange performance.
  • the heat exchanger according to the present invention includes a plurality of fins in which fluids flow between them and a flow path through which a medium that exchanges heat with the fluid flows is formed, and both ends of the plurality of fins A plurality of fins, wherein the fins have a pitch of Fp as the gap between adjacent fins, and Ft is the thickness of the fins, and 3 ⁇ Fp / Ft ⁇ 21 It is characterized by satisfying the relationship.
  • the present invention provides a pair of fins that are arranged with a space therebetween, in which a fluid flows between them and in which a channel through which a medium that exchanges heat with the fluid flows is formed, and to which both ends of the plurality of fins are connected.
  • the heat exchange performance can be improved.
  • FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. It is an enlarged view which shows the B section of FIG. It is a figure which shows the performance characteristic of the heat exchanger which concerns on Embodiment 1 of this invention. It is a refrigerant circuit diagram of the air conditioner according to Embodiment 1 of the present invention. It is a perspective view which shows the heat exchanger which concerns on Embodiment 2 of this invention. It is sectional drawing which shows the arrangement
  • FIG. 1 is a perspective view showing a heat exchanger according to Embodiment 1 of the present invention.
  • FIG. 2 is a side view showing the heat exchanger according to Embodiment 1 of the present invention.
  • 3 is a cross-sectional view taken along the line AA in FIG.
  • FIG. 4 is an enlarged view showing a portion B of FIG.
  • the heat exchanger includes a plurality of fins 1 and a pair of headers (an inlet side header 2 and an outlet side header 3).
  • the plurality of fins 1 are arranged at intervals, and a fluid (for example, air) flows between them.
  • one or a plurality of flow paths 11 through which a medium (for example, a refrigerant) flows are formed.
  • a pair of headers (inlet side header 2 and outlet side header 3) connect both ends of the plurality of fins 1, respectively.
  • the refrigerant flows from the refrigerant inlet 4 of the inlet header 2.
  • the refrigerant that has flowed into the inlet header 2 flows into the outlet header 3 through the plurality of fins 1.
  • the refrigerant flows out from the refrigerant outlet 5 of the outlet side header 3.
  • coolant is not limited to this, A reverse direction may be sufficient. With such a configuration, the heat exchanger exchanges heat between the air passing between the plurality of fins 1 and the refrigerant flowing through the flow paths 11 inside the plurality of fins 1.
  • the plurality of fins 1 satisfy the relationship of 3 ⁇ Fp / Ft ⁇ 21, where Fp is the pitch between adjacent fins 1 and Ft is the thickness of the fins 1.
  • FIG. 5 is a diagram showing the performance characteristics of the heat exchanger according to Embodiment 1 of the present invention.
  • the relationship with the ratio (Fp / Ft) of fin pitch Fp with respect to Ft is shown.
  • the AK value is a value obtained by multiplying the heat transfer rate K and the heat transfer area A in the heat exchanger, and represents the heat transfer characteristics of the heat exchanger.
  • standard is a plate fin type heat exchanger which performs heat exchange with the air which passes between several radiation fins, and the refrigerant
  • the heat transfer tubes of the conventional heat exchanger are arranged in two rows in the air flow direction, and are arranged in a plurality of stages in a direction orthogonal to the air flow.
  • AK / ⁇ P decreases when Fp / Ft becomes too small. Further, AK / ⁇ P decreases when Fp / Ft becomes too large. That is, Fp / Ft has an appropriate range in which AK / ⁇ P can be improved.
  • Fp / Ft has an appropriate range in which AK / ⁇ P can be improved.
  • Fp increases in the case of the same fin pitch Fp.
  • the thickness Ft of the fin 1 is increased, the flow area of the flow path 11 is increased, the heat transfer rate K is increased due to an increase in the flow velocity of the refrigerant, and the heat transfer performance AK is increased.
  • ⁇ P increases. However, if the thickness Ft of the fin 1 becomes too thick, the air-side ventilation resistance ⁇ P increases and AK / ⁇ P decreases.
  • the air-side ventilation resistance ⁇ P is reduced and AK / ⁇ P is increased.
  • the thickness Ft of the fin 1 becomes too thin, the flow path area of the flow path 11 decreases, the heat flow rate K decreases due to a decrease in the flow rate of the refrigerant, the heat transfer performance AK decreases, and AK / ⁇ P is reduced. descend.
  • the heat exchanger according to the first embodiment is 3 ⁇ Fp / Ft ⁇ so that the value (100%) or more can be improved as compared with the conventional heat exchanger. 21 relationships are satisfied. Thereby, the heat exchange performance of a heat exchanger can be improved.
  • FIG. 6 is a refrigerant circuit diagram of the air conditioner according to Embodiment 1 of the present invention.
  • the refrigerant circuit shown in FIG. 6 includes a compressor 33, a condenser 34, a throttling device 35, and an evaporator 36.
  • the air conditioner includes a blower 37 that blows air to the condenser 34 and the evaporator 36, and a blower motor 38 that drives the blower 37.
  • Cooling energy efficiency indoor heat exchanger (evaporator) capacity / total input
  • a heat exchanger is arrange
  • coolant flows in the inlet side header 2 arrange
  • the refrigerant flowing into the inlet header 2 is distributed to the same number of paths (refrigerant paths) as the number of the plurality of fins 1 and flows from the bottom to the top of the plurality of fins 1. Thereafter, the refrigerant flows out from the outlet header 3.
  • the inlet header 2 corresponds to the “lower header” in the present invention.
  • the outlet header 3 corresponds to the “header disposed on the upper side” in the present invention.
  • the refrigerant flowing through the evaporator 36 is in a gas-liquid two-phase state.
  • the gas-liquid two-phase refrigerant may have a plug flow or a slag flow.
  • the heat exchanger is used for the evaporator 36, the refrigerant flows through the flow paths 11 of the plurality of fins 1 from the bottom to the top. Therefore, in the case of a plug flow or a slag flow, the refrigerant does not stagnate due to bubble buoyancy. It can flow upward. Thereby, the heat exchange performance of a heat exchanger can be improved.
  • Embodiment 2 FIG. Hereinafter, the difference between the heat exchanger of the second embodiment and the first embodiment will be described. In addition, the same code
  • FIG. 1
  • FIG. 7 is a perspective view showing a heat exchanger according to Embodiment 2 of the present invention.
  • FIG. 8 is a cross-sectional view showing an arrangement of fins of the heat exchanger according to Embodiment 2 of the present invention.
  • the heat exchanger according to the second embodiment is provided in two rows in the fluid (air) flow direction. Further, the plurality of fins 1 on the upstream side and the plurality of fins 1 on the downstream side are arranged so as not to overlap each other in the fluid (air) flow direction. That is, the arrangement of the plurality of fins 1 is staggered.
  • the air flow developed between the plurality of fins 1 in the first row can develop a new boundary layer at the leading edge of the plurality of fins 1 in the second row, thereby promoting heat transfer. be able to.
  • Embodiment 3 the difference between the heat exchanger of the third embodiment and the first embodiment will be described.
  • symbol is attached
  • FIG. 9 is a perspective view showing a heat exchanger according to Embodiment 3 of the present invention.
  • FIG. 10 is a cross-sectional view showing the inlet header of the heat exchanger according to Embodiment 3 of the present invention.
  • FIG. 11 is a diagram showing an inner tube of a heat exchanger according to Embodiment 3 of the present invention.
  • the inlet-side header 2 of the heat exchanger according to the third embodiment includes an outer tube 6 and an inner tube 7 provided inside the outer tube 6.
  • the outer tube 6 is connected to the ends of the plurality of fins 1.
  • the outer tube 6 is a tube having a rectangular cross section, for example, and is closed at both ends.
  • a pipe constituting the refrigerant inlet 4 through which the refrigerant flows into the inner pipe 7 passes through the side surface of the outer pipe 6.
  • the inner tube 7 is, for example, a circular tube.
  • the inner pipe 7 is formed with a refrigerant inlet 4 through which refrigerant flows and a plurality of outlets 71 through which the refrigerant flowing in from the inlet flows out into the outer pipe 6.
  • the width of the inner tube 7 is substantially equal to the arrangement range of the plurality of fins 1.
  • the plurality of outlets 71 are formed only on the lower side (lower part in the direction of gravity) of the inner tube 7.
  • the plurality of outlets 71 are arranged substantially evenly in the width direction of the inner tube 7.
  • the liquid phase refrigerant flows from the refrigerant inlet 4 into the inner pipe 7.
  • the liquid-phase refrigerant that has flowed into the inner pipe 7 flows out of each of the plurality of outlets 71 into the outer pipe 6.
  • the liquid phase refrigerant is agitated, and the liquid phase refrigerant flows evenly into the plurality of fins 1. Therefore, local drying of the refrigerant hardly occurs in a part of the plurality of fins 1, and the heat exchange performance of the heat exchanger can be improved.
  • Embodiment 4 FIG.
  • the difference between the heat exchanger of the fourth embodiment and the first embodiment will be described.
  • symbol is attached
  • FIG. 12 is a side view showing a heat exchanger according to Embodiment 4 of the present invention. As shown in FIG. 12, two heat exchangers according to the fourth embodiment are provided so as to overlap in the direction of gravity.
  • the flow paths 11 of the plurality of fins 1 have a fluid equivalent diameter (equivalent diameter) of 0.05 to 0.2 mm.
  • the rectangular channel having a tube inner diameter of 1 mm or less has a constant or increased heat transfer coefficient in the tube even if the refrigerant flow rate is reduced. This is because when the flow rate of the refrigerant decreases, the liquid phase refrigerant stays and the boiling of the refrigerant easily occurs.
  • the refrigerant flow rate per one flow path 11 inside the plurality of fins 1 is small, but the number of passes is the same as the number of the plurality of fins 1 and the number of passes is very large. it can. For this reason, a heat transfer rate is a grade which is not different from the inside of the circular pipe used for the conventional heat exchanger.
  • the length of the heat transfer section required for the dryness to exceed 1 (the length of the plurality of fins 1) needs to be smaller than that of the conventional heat exchanger.
  • two heat exchangers according to the fourth embodiment are provided so as to overlap in the direction of gravity, thereby ensuring a sufficient heat exchange volume even when the length of the plurality of fins 1 is shortened. be able to.
  • a sufficient heat exchange volume can be ensured even if the unit height of the outdoor unit is the same as that of the conventional unit.
  • coolant was shown as a working fluid, even if it uses other gas, liquid, and gas-liquid mixed fluid, there exists the same effect.
  • the same effect can be obtained when the heat exchanger described in the first to fourth embodiments is used in either an indoor unit or an outdoor unit of an air conditioner.
  • the heat exchanger described in the first to fourth embodiments and the air conditioner using the heat exchanger may be a mineral oil, an alkylbenzene oil system, an ester oil system, an ether oil system, a fluorine oil system, or the like.
  • the effect can be achieved with any refrigeration oil, whether the oil is soluble or not.
  • the utilization example of the present invention is not limited to the above-described air conditioner, but can be used for a heat pump apparatus that needs to improve heat exchange performance and energy saving performance.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Abstract

L'échangeur de chaleur de l'invention est équipé : d'une pluralité d'ailettes (1) qui sont disposées à intervalles permettant l'écoulement d'un fluide entre eux, et dans lesquelles sont formés des trajets d'écoulement dans la partie interne desquels s'écoule un milieu destiné à un échange de chaleur avec le fluide ; et d'une paire de colonnes connectant chacune des deux parties extrémité de la pluralité d'ailettes (1). La pluralité d'ailettes (1) est caractéristique en ce qu'elle satisfait la relation 3≦Fp/Ft≦21 lorsque le pas des ailettes qui consiste en l'intervalle entre ailettes (1) adjacentes, est représenté par Fp, et l'épaisseur des ailettes (1) est représenté par Ft.
PCT/JP2013/068677 2013-07-08 2013-07-08 Échangeur de chaleur, et appareil de conditionnement de l'air WO2015004720A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PCT/JP2013/068677 WO2015004720A1 (fr) 2013-07-08 2013-07-08 Échangeur de chaleur, et appareil de conditionnement de l'air
EP14823375.2A EP3021064B1 (fr) 2013-07-08 2014-07-08 Dispositif de pompe à chaleur
US14/902,031 US20160298886A1 (en) 2013-07-08 2014-07-08 Heat exchanger and heat pump apparatus
JP2015526356A JPWO2015005352A1 (ja) 2013-07-08 2014-07-08 ヒートポンプ装置
PCT/JP2014/068203 WO2015005352A1 (fr) 2013-07-08 2014-07-08 Échangeur de chaleur, et dispositif de pompe à chaleur
CN201480039081.4A CN105452794A (zh) 2013-07-08 2014-07-08 热交换器以及热泵装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2013/068677 WO2015004720A1 (fr) 2013-07-08 2013-07-08 Échangeur de chaleur, et appareil de conditionnement de l'air

Publications (1)

Publication Number Publication Date
WO2015004720A1 true WO2015004720A1 (fr) 2015-01-15

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PCT/JP2013/068677 WO2015004720A1 (fr) 2013-07-08 2013-07-08 Échangeur de chaleur, et appareil de conditionnement de l'air
PCT/JP2014/068203 WO2015005352A1 (fr) 2013-07-08 2014-07-08 Échangeur de chaleur, et dispositif de pompe à chaleur

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PCT/JP2014/068203 WO2015005352A1 (fr) 2013-07-08 2014-07-08 Échangeur de chaleur, et dispositif de pompe à chaleur

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US (1) US20160298886A1 (fr)
EP (1) EP3021064B1 (fr)
JP (1) JPWO2015005352A1 (fr)
CN (1) CN105452794A (fr)
WO (2) WO2015004720A1 (fr)

Families Citing this family (9)

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Publication number Priority date Publication date Assignee Title
EP3504948B1 (fr) 2016-08-26 2022-11-09 Inertech IP LLC Systèmes et procédés de refroidissement utilisant un fluide monophasique et un échangeur de chaleur à tube plat à circuit à contre-courant
JP6869800B2 (ja) * 2017-04-28 2021-05-12 株式会社前川製作所 エアクーラ、冷凍システム及びエアクーラの除霜方法
EP3633208B1 (fr) * 2017-05-25 2022-08-17 Mitsubishi Electric Corporation Ventilateur à hélice et appareil à cycle de réfrigération
CN107017728B (zh) * 2017-05-27 2019-11-26 中山大洋电机股份有限公司 一种相变散热电机机壳及其应用的风冷电机
US20190162455A1 (en) * 2017-11-29 2019-05-30 Lennox Industries, Inc. Microchannel heat exchanger
JP7092987B2 (ja) * 2018-01-22 2022-06-29 ダイキン工業株式会社 室内熱交換器および空気調和装置
JP7140552B2 (ja) * 2018-05-29 2022-09-21 株式会社前川製作所 エアクーラ、冷凍システム及びエアクーラの除霜方法
JP7170859B2 (ja) 2019-05-14 2022-11-14 三菱電機株式会社 熱交換器及び冷凍サイクル装置
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EP3021064A1 (fr) 2016-05-18
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