WO2024024465A1 - プレート積層型熱交換器 - Google Patents

プレート積層型熱交換器 Download PDF

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Publication number
WO2024024465A1
WO2024024465A1 PCT/JP2023/025393 JP2023025393W WO2024024465A1 WO 2024024465 A1 WO2024024465 A1 WO 2024024465A1 JP 2023025393 W JP2023025393 W JP 2023025393W WO 2024024465 A1 WO2024024465 A1 WO 2024024465A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
communication hole
heat exchanger
plate
inlet
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.)
Ceased
Application number
PCT/JP2023/025393
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English (en)
French (fr)
Japanese (ja)
Inventor
隆志 洲脇
周平 松坂
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.)
T Rad Co Ltd
Original Assignee
T Rad Co Ltd
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 T Rad Co Ltd filed Critical T Rad Co Ltd
Priority to JP2024536923A priority Critical patent/JPWO2024024465A1/ja
Priority to CN202380052284.6A priority patent/CN119546917A/zh
Publication of WO2024024465A1 publication Critical patent/WO2024024465A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/02—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the heat-exchange media travelling at an angle to one another
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • 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
    • F28F9/22—Arrangements for directing heat-exchange media into successive compartments, e.g. arrangements of guide plates

Definitions

  • the present invention relates to a plate stacked heat exchanger, and particularly to a structure that suppresses uneven flow in each stage of a flow path through which fluid flows.
  • FIG. 5A shows the flow rate distribution in each stage of the first flow path of the heat exchanger of FIG. 5A.
  • FIG. 5B shows the flow rate distribution in each stage of the first flow path of the heat exchanger of FIG. 5A.
  • FIG. 6A shows the inlet and outlet of the first fluid at one end in the stacking direction of the plates (U-shaped inlet and outlet arrangement).
  • FIG. 6B shows the flow rate distribution of each stage of the first flow path of the heat exchanger of FIG. 6A.
  • an object of the present invention is to suppress the drift tendency between the stages in a plate stacked heat exchanger with an I-shaped entrance and exit arrangement.
  • a first invention for solving the above problem is that a large number of dish-shaped plates 1 and 2 are stacked, A first flow path 4 through which the first fluid 3 flows and a second flow path 5 through which the second fluid 6 flows are formed alternately every other plate in the stacking direction of the plates 1 and 2,
  • Each plate 1, 2 is provided with a first communication hole 7 and a second communication hole 8 spaced apart from each other,
  • An inlet 10 for the first fluid 3 is formed at one end in the stacking direction of the plates 1 and 2, and an outlet 11 for the first fluid 3 is formed at the other end.
  • the inlet 10 is connected to the first communication hole 7,
  • This is a plate stacked heat exchanger in which a bypass 12 from the second communication hole 8 at one end to the outlet 11 is formed through the inside or outside of the core 9.
  • a second invention for solving the above problem is that a large number of dish-shaped plates 1 and 2 are stacked, A first flow path 4 through which the first fluid 3 flows and a second flow path 5 through which the second fluid 6 flows are formed alternately every other plate in the stacking direction of the plates 1 and 2, Each plate 1, 2 is provided with a first communication hole 7 and a second communication hole 8 spaced apart from each other, In a plate stacked heat exchanger having a core 9 in which the first fluid 3 is guided from the second communication hole 8 to the first communication hole 7 via the first flow path 4, An inlet 10 for the first fluid 3 is formed at one end in the stacking direction of the plates 1 and 2, and an outlet 11 for the first fluid 3 is formed at the other end.
  • the inlet 10 is connected to a bypass 12;
  • a bypass 12 from the inlet 10 to the second communication hole 8 at the other end is formed through the inside or outside of the core 9,
  • This is a plate stacked heat exchanger in which an outlet 11 is connected to a first communication hole 7.
  • a third invention provides a plate stacked heat exchanger according to either the first invention or the second invention, comprising: This is a plate stacked heat exchanger in which the first fluid 3 is a liquid.
  • an inlet 10 for the first fluid 3 is formed at one end in the stacking direction of each plate 1, 2, an outlet 11 for the first fluid 3 is formed at the other end, and the inlet 10 is formed at the other end.
  • the inlet and the outlet are substantially provided at one end in the stacking direction (
  • the flow paths are similar to those in the case of the U-shaped entrance/exit arrangement, and the drift tendency is at least partially canceled out, so that the drift flow between the stacked flow paths is suppressed.
  • an inlet 10 for the first fluid 3 is formed at one end in the stacking direction of the plates 1 and 2, an outlet 11 for the first fluid 3 is formed at the other end, and the inlet 10 is formed at the other end.
  • the inlet and the outlet are substantially provided at one end in the stacking direction (
  • the flow paths are similar to those in the case of the U-shaped entrance/exit arrangement, and the drift tendency is at least partially canceled out, so that the drift flow between the stacked flow paths is suppressed.
  • the first fluid 3 is a liquid
  • FIG. 1 is a plan view of a plate stacked heat exchanger according to a first embodiment of the present invention.
  • FIG. 3 is an explanatory diagram showing the flow state of the first fluid 3 in the core 9 of the plate stacked heat exchanger of the first embodiment.
  • FIG. 3 is an explanatory diagram showing the flow state of the first fluid 3 in the core 9 of a conventional plate stacked heat exchanger (I-shaped entrance/exit arrangement).
  • 2 is a graph showing the flow path distribution of each stage in the core 9 of the heat exchanger (conventional type).
  • FIG. 3 is a sectional view showing another example of the first embodiment of the present invention.
  • FIG. 2 is a sectional view showing a plate stacked heat exchanger according to a second embodiment of the present invention.
  • 1 is a schematic diagram of a conventional first plate stacked heat exchanger in which an inlet 10 and an outlet 11 are arranged separately above and below a core 9; A graph showing the flow path distribution of each stage in the core 9 of the heat exchanger.
  • FIG. 2 is a schematic diagram of a second conventional plate stacked heat exchanger in which an inlet 10 and an outlet 11 are arranged only on the upper end side of the core 9; A graph showing the flow path distribution of each stage in the core 9 of the heat exchanger.
  • a core 9 is formed by stacking a large number of plate-shaped plates 1 and 2 with raised outer edges.
  • First channels 4 through which the first fluid 3 flows and second channels 5 through which the second fluid 6 flows are alternately formed in every other plate in the stacking direction of the plates 1 and 2.
  • Each of the plates 1 and 2 is provided with a first communication hole 7 and a second communication hole 8 spaced apart from each other. The first communication hole 7 and the second communication hole 8 are connected to each stage of the first flow path 4 of the core 9 .
  • each plate 1, 2 has a rectangular planar shape (including one with rounded corners as shown in FIG. 1A), but this planar shape is not limited to a rectangular shape. Can take shape.
  • the first flow path 4 is hollow, and the inner fin 16 is arranged in the second flow path 5.
  • the flow resistance thereof is small, so that drifting between stages is generally likely to occur.
  • protrusions may be formed in the first flow path 4 to improve heat transfer, since the flow path resistance is relatively small in this case as well, there is generally a tendency for uneven flow to occur between stages.
  • the inner fins 16 are installed in a flow path like the second flow path 5, the flow resistance thereof is large, so there is little uneven flow between stages.
  • an inlet 10 for the first fluid 3 is formed at one end in the stacking direction of the plates 1 and 2, and an outlet 11 for the first fluid 3 is formed at the other end (I-shaped entrance/exit arrangement).
  • a cover plate 14 and a base plate 15 are arranged at both ends of the plates 1 and 2 in the stacking direction, as shown in FIGS. 1A, 1B, and 1C.
  • each plate 1, 2 is formed with an inner bypass portion 12a that passes through the plates 1, 2.
  • the inner bypass 12a is formed by joining the peripheral edges of holes drilled in the respective plates 1 and 2 at the positions where the inner bypass 12a is formed.
  • one end of the plates 1 and 2 in the stacking direction is the end on the side where the cover plate 14 is arranged, and the other end of the plates 1 and 2 in the stacking direction is the end on the side where the base plate 15 is disposed. This is the end on the side where it is placed.
  • the inlet 10 is connected to the first communication hole 7.
  • a bypass 12 consisting of a communication path 13 and an inner bypass 12a communicates with the outlet 11 from the second communication hole 8 at one end of the plates 1 and 2 in the stacking direction.
  • the communication path 13 connects the second communication hole 8 at one end in the stacking direction and the inner bypass 12a.
  • the outlet 11 of the first fluid 3 is connected to the inner bypass 12a.
  • the first fluid 3 flows in from the inlet 10, flows through each stage of the first flow path 4 from the first communication hole 7, and is guided to the second communication hole 8. Next, the first fluid 3 is guided from the second communication hole 8 to the bypass 12 via the communication path 13 . The first fluid 3 then flows out from the outlet 11.
  • FIG. 2A shows the flow state when a bypass 12 is provided in the core 9 of the plate stacked heat exchanger of the first embodiment
  • FIG. 2B shows each of the first flow paths 4 in the first embodiment.
  • the flow rate distribution of the first fluid 3 in the stage is shown.
  • FIG. 2C shows the flow state when the bypass 12 is not provided as a comparative example with the first embodiment
  • FIG. 2D shows the first fluid 3 in each stage of the first flow path 4 in the comparative example. shows the flow rate distribution.
  • the flow rate distribution in FIG. 2B suppresses the drift of the first fluid 3 in each stage of the first flow path 4 more than the flow rate distribution in FIG. 2D.
  • the flow path is substantially similar to the flow path in the case of the U-shaped entrance/exit arrangement as shown in FIG. 6A.
  • a heat exchanger having an inner bypass 12a is illustrated, but the bypass 12 is not limited to the inner bypass 12a.
  • the bypass 12 can also be formed outside the core 9 by forming an external bypass 12b using piping or the like. Even in this case, the same effects as in the first embodiment can be obtained.
  • FIG. 4 shows a second embodiment of the present invention, and this embodiment differs from the first embodiment in that the flow direction of the first fluid 3 is reversed.
  • one end of the plates 1 and 2 in the stacking direction is the side where the base plate 15 is arranged
  • the other end of the plates 1 and 2 in the stacking direction is the side where the cover plate 14 is arranged. It's on the side.
  • the flow path is substantially the same as the flow path in the case of the U-shaped entrance/exit arrangement as shown in FIG. 6A. The same effects as in the example can be obtained.
  • the present invention is widely applicable to plate stacked heat exchangers, and is particularly suitable for oil coolers for vehicles. It can also be applied to battery chillers for electric vehicles, evaporators for air conditioners, and the like.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
PCT/JP2023/025393 2022-07-27 2023-07-10 プレート積層型熱交換器 Ceased WO2024024465A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2024536923A JPWO2024024465A1 (https=) 2022-07-27 2023-07-10
CN202380052284.6A CN119546917A (zh) 2022-07-27 2023-07-10 板层叠型热交换器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022-119799 2022-07-27
JP2022119799 2022-07-27

Publications (1)

Publication Number Publication Date
WO2024024465A1 true WO2024024465A1 (ja) 2024-02-01

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PCT/JP2023/025393 Ceased WO2024024465A1 (ja) 2022-07-27 2023-07-10 プレート積層型熱交換器

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Country Link
JP (1) JPWO2024024465A1 (https=)
CN (1) CN119546917A (https=)
WO (1) WO2024024465A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014027514A1 (ja) * 2012-08-16 2014-02-20 カルソニックカンセイ株式会社 熱交換器
JP2016133121A (ja) * 2015-01-16 2016-07-25 マーレ インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツングＭＡＨＬＥ Ｉｎｔｅｒｎａｔｉｏｎａｌ ＧｍｂＨ 内燃機関
JP2017032178A (ja) * 2015-07-30 2017-02-09 株式会社マーレ フィルターシステムズ 熱交換器
FR3059400A1 (fr) * 2016-11-25 2018-06-01 Valeo Systemes Thermiques Echangeur de chaleur entre un fluide refrigerant et un liquide caloporteur
JP2021011976A (ja) * 2019-07-05 2021-02-04 株式会社ティラド プレート積層型熱交換器
WO2022030566A1 (ja) * 2020-08-06 2022-02-10 株式会社ティラド 熱交換器の取付構造

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014027514A1 (ja) * 2012-08-16 2014-02-20 カルソニックカンセイ株式会社 熱交換器
JP2016133121A (ja) * 2015-01-16 2016-07-25 マーレ インターナショナル ゲゼルシャフト ミット ベシュレンクテル ハフツングＭＡＨＬＥ Ｉｎｔｅｒｎａｔｉｏｎａｌ ＧｍｂＨ 内燃機関
JP2017032178A (ja) * 2015-07-30 2017-02-09 株式会社マーレ フィルターシステムズ 熱交換器
FR3059400A1 (fr) * 2016-11-25 2018-06-01 Valeo Systemes Thermiques Echangeur de chaleur entre un fluide refrigerant et un liquide caloporteur
JP2021011976A (ja) * 2019-07-05 2021-02-04 株式会社ティラド プレート積層型熱交換器
WO2022030566A1 (ja) * 2020-08-06 2022-02-10 株式会社ティラド 熱交換器の取付構造

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CN119546917A (zh) 2025-02-28
JPWO2024024465A1 (https=) 2024-02-01

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