EP3845851B1 - Échangeur de chaleur, unité d'échangeur de chaleur et dispositif à cycle de réfrigération - Google Patents

Échangeur de chaleur, unité d'échangeur de chaleur et dispositif à cycle de réfrigération Download PDF

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Publication number
EP3845851B1
EP3845851B1 EP18932105.2A EP18932105A EP3845851B1 EP 3845851 B1 EP3845851 B1 EP 3845851B1 EP 18932105 A EP18932105 A EP 18932105A EP 3845851 B1 EP3845851 B1 EP 3845851B1
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EP
European Patent Office
Prior art keywords
flat
heat
exchanger
tube
fin
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP18932105.2A
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German (de)
English (en)
Other versions
EP3845851A1 (fr
EP3845851A4 (fr
Inventor
Akira Ishibashi
Tsuyoshi Maeda
Shin Nakamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3845851A1 publication Critical patent/EP3845851A1/fr
Publication of EP3845851A4 publication Critical patent/EP3845851A4/fr
Application granted granted Critical
Publication of EP3845851B1 publication Critical patent/EP3845851B1/fr
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Classifications

    • 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
    • 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
    • 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
    • F28D1/053—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
    • F28F1/10—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
    • F28F1/14—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 and extending longitudinally
    • F28F1/20—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 and extending longitudinally the means being attachable to the 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
    • 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
    • F28F1/14—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 and extending longitudinally
    • F28F1/22—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 and extending longitudinally the means having portions engaging further tubular elements
    • 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
    • F28F1/24—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 and extending transversely
    • F28F1/32—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 and extending transversely the means having portions engaging further tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F17/00—Removing ice or water from heat-exchange apparatus
    • F28F17/005—Means for draining condensates from heat exchangers, e.g. from evaporators
    • 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
    • F28F2215/00—Fins
    • F28F2215/02—Arrangements of fins common to different heat exchange sections, the fins being in contact with different heat exchange media
    • 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
    • F28F2215/10—Secondary fins, e.g. projections or recesses on main fins

Definitions

  • plural flat-tube groups each including plural flat tubes are connected by a fin.
  • This configuration makes it possible to improve the pressure resistance of the tubes through which refrigerant is passed, and reduce the thickness of the fin to thereby also reduce the weight of the fin.
  • a heat-exchanger, a heat-exchanger unit, and a refrigeration-cycle apparatus that have improved heat-exchange performance and are also easy to manufacture can be provided.
  • Embodiment 1 air flows into the heat-exchanger 100 in the x-direction. Because of the inclined placement of the first portion 31 of the fin 30 as described above, air flows in a meandering manner in the gap between the first flat tube 20a, the second flat tube 20b, and the fin 30. This results in increased heat-transfer area and consequently improved heat-transfer performance of the heat-exchanger 100. As the airflow is deflected at the first portion 31 of the fin 30, incoming air collides with a side wall 23b of the second flat tube 20b. The collision of air causes disturbances in the flow of air between the second flat tubes 20b.

Landscapes

  • 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)

Claims (8)

  1. Échangeur de chaleur (100) comprenant :
    un premier groupe de tubes plats (10a) incluant une pluralité de tubes plats (20) présentant chacun un axe de tube, la pluralité de tubes plats (20) inclus dans le premier groupe de tubes plats (10a) étant agencée de telle sorte que les axes de tube de la pluralité de tubes plats (20) inclus dans le premier groupe de tubes plats (10a) sont agencés parallèlement les uns aux autres, l'un de la pluralité de tubes plats (20) inclus dans le premier groupe de tubes plats (10a) étant un premier tube plat (20a) ;
    un second groupe de tubes plats (10b) prévu adjacent au premier groupe de tubes plats (10a), le second groupe de tubes plats (10b) incluant une pluralité de tubes plats (20) présentant chacun un axe de tube, la pluralité de tubes plats (20) inclus dans le second groupe de tubes plats (10b) étant agencée de telle sorte que les axes de tube de la pluralité de tubes plats (20) inclus dans le second groupe de tubes plats (10b) sont agencés parallèlement les uns aux autres, l'un de la pluralité de tubes plats (20) inclus dans le second groupe de tubes plats (10b) étant un second tube plat (20b) ;
    une ailette (30) prévue pour le premier groupe de tubes plats (10a) et le second groupe de tubes plats (10b),
    l'ailette (30) incluant
    une première partie (31) reliant une extrémité (22a) d'un axe longitudinal du premier tube plat (20a) dans une section perpendiculaire à l'axe de tube du premier tube plat (20a) et une extrémité (21b) d'un axe longitudinal du second tube plat (20b) dans une section perpendiculaire à l'axe de tube du second tube plat (20b), caractérisé en ce que l'ailette inclut
    une deuxième partie (32) reliée à une paroi latérale du premier tube plat (20a), et
    une troisième partie (33) reliée à une paroi latérale du second tube plat (20b),
    au niveau de la deuxième partie (32), une face d'une plaque de l'ailette (30) étant jointe au premier tube plat (20a),
    au niveau de la troisième partie (33), une autre face de la plaque étant jointe au second tube plat (20b).
  2. Échangeur de chaleur selon la revendication 1, dans lequel la pluralité de tubes plats du premier groupe de tubes plats et la pluralité de tubes plats du second groupe de tubes plats sont agencées de manière étagée.
  3. Échangeur de chaleur selon la revendication 1 ou 2, dans lequel la première partie de l'ailette située entre le premier groupe de tubes plats et le second groupe de tubes plats, qui sont prévus mutuellement adjacents, est inclinée par rapport aux axes longitudinaux de la pluralité de tubes plats.
  4. Échangeur de chaleur selon la revendication 3, dans lequel :
    dans lequel la première partie inclut
    un évent à lames s'étendant à partir de la plaque dans une direction transversale à l'axe de tube, et
    une ouverture prévue dans la plaque au niveau d'une partie proximale de l'évent à lames, l'ouverture s'étendant à travers la plaque.
  5. Échangeur de chaleur selon la revendication 4, dans lequel l'évent à lames est parallèle aux axes longitudinaux de la pluralité de tubes plats.
  6. Échangeur de chaleur selon l'une quelconque des revendications 1 à 5,
    dans lequel l'ailette inclut :
    une quatrième partie s'étendant à partir d'une extrémité de l'axe longitudinal du premier tube plat opposée à l'extrémité à partir de laquelle la première partie s'étend, et
    une cinquième partie s'étendant à partir d'une extrémité de l'axe longitudinal du second tube plat opposée à l'extrémité à partir de laquelle la première partie s'étend, et
    dans lequel au moins une parmi la quatrième partie et la cinquième partie inclut une fente prévue dans la plaque.
  7. Unité d'échangeur de chaleur, comprenant l'échangeur de chaleur selon l'une quelconque des revendications 1 à 6.
  8. Appareil à cycle de réfrigération, comprenant l'unité d'échangeur de chaleur selon la revendication 7.
EP18932105.2A 2018-08-27 2018-08-27 Échangeur de chaleur, unité d'échangeur de chaleur et dispositif à cycle de réfrigération Active EP3845851B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/031502 WO2020044391A1 (fr) 2018-08-27 2018-08-27 Échangeur de chaleur, unité d'échangeur de chaleur et dispositif à cycle de réfrigération

Publications (3)

Publication Number Publication Date
EP3845851A1 EP3845851A1 (fr) 2021-07-07
EP3845851A4 EP3845851A4 (fr) 2021-09-01
EP3845851B1 true EP3845851B1 (fr) 2023-03-01

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EP18932105.2A Active EP3845851B1 (fr) 2018-08-27 2018-08-27 Échangeur de chaleur, unité d'échangeur de chaleur et dispositif à cycle de réfrigération

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Country Link
EP (1) EP3845851B1 (fr)
JP (1) JP6980117B2 (fr)
CN (1) CN112567192A (fr)
WO (1) WO2020044391A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116507871A (zh) * 2020-10-20 2023-07-28 三菱电机株式会社 热交换器和制冷循环装置
CN112277570B (zh) * 2020-10-30 2022-05-20 安徽江淮汽车集团股份有限公司 暖风芯体及汽车空调
JPWO2023105566A1 (fr) * 2021-12-06 2023-06-15

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Also Published As

Publication number Publication date
EP3845851A1 (fr) 2021-07-07
CN112567192A (zh) 2021-03-26
JPWO2020044391A1 (ja) 2021-05-13
WO2020044391A1 (fr) 2020-03-05
EP3845851A4 (fr) 2021-09-01
JP6980117B2 (ja) 2021-12-15

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