WO2009104659A1 - Ailette d'échangeur de chaleur et procédé de fabrication d'ailette d'échangeur de chaleur - Google Patents

Ailette d'échangeur de chaleur et procédé de fabrication d'ailette d'échangeur de chaleur Download PDF

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Publication number
WO2009104659A1
WO2009104659A1 PCT/JP2009/052831 JP2009052831W WO2009104659A1 WO 2009104659 A1 WO2009104659 A1 WO 2009104659A1 JP 2009052831 W JP2009052831 W JP 2009052831W WO 2009104659 A1 WO2009104659 A1 WO 2009104659A1
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WO
WIPO (PCT)
Prior art keywords
fin
heat exchanger
movable blade
fins
compression
Prior art date
Application number
PCT/JP2009/052831
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English (en)
Japanese (ja)
Inventor
健治 栩木
久 大貫
Original Assignee
カルソニックカンセイ株式会社
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 カルソニックカンセイ株式会社 filed Critical カルソニックカンセイ株式会社
Publication of WO2009104659A1 publication Critical patent/WO2009104659A1/fr

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Classifications

    • 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
    • F28F1/126—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 consisting of zig-zag shaped fins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
    • 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
    • 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

Definitions

  • the present invention relates to a heat exchanger fin used in a heat exchanger such as an automobile radiator and a method of manufacturing the heat exchanger fin.
  • a heat exchanger has a plurality of stacked tubes interposed between each of a plurality of heat exchanger fins, a tube plate connected to a longitudinal end of each tube to form a part of a tank, and both tubes
  • This core part is formed by temporarily assembling a core part composed of a pair of reinforcements that connect and reinforce both ends of the plate, and sandwiching the reinforcements on both sides in the stacking direction of the tube of the core part with a brazing jig.
  • a brazing jig are integrally brazed and fixed (for example, refer to Patent Document 1).
  • brazing is performed in a state in which each temporarily assembled core part is sandwiched between brazing jigs and a plurality of core parts are stacked with the core surface in the vertical direction.
  • a problem to be solved by the present invention is to provide a heat exchanger fin and a heat exchanger fin manufacturing method capable of preventing the both ends of the corrugated phone from drooping downward from the core surface when the core portion is brazed. There is to do.
  • the fin for the heat exchanger of the first invention is formed by alternately laminating a wavy fin and a tube in this order between a pair of reinforcements arranged at a predetermined interval.
  • the height of the tops of the corrugated fins at both longitudinal ends is the center in the longitudinal direction when the fin and the tube are not stacked. It is characterized by being formed higher than the height of the top of the corrugated fin in the region.
  • the fin for the heat exchanger according to the second aspect of the present invention is such that these three parts are joined together in a state in which a wave-like fin and a tube are alternately laminated in a sequence between a pair of reinforcements arranged at a predetermined interval.
  • a wave pitch interval at both ends in the longitudinal direction of the fin is compression-molded narrower than the pitch interval of other waves.
  • a heat exchanger fin manufacturing method in which a corrugated fin that is continuously or intermittently transferred has a predetermined length between a fixed blade and a movable blade having a wedge-shaped cross section.
  • a heat exchanger fin manufacturing method in which the movable blade has a predetermined inclined surface on the downstream side in the transfer direction, and faces the movable blade on the downstream side in the fin transfer direction of the movable blade and the fixed blade.
  • the wave pitch interval at both ends in the longitudinal direction of the fin is compression-molded so as to be narrower than the pitch interval of other waves.
  • the height of the tops of the corrugated fins at both longitudinal ends is the top of the corrugated fins in the longitudinal central region.
  • the side where the top height of the fins at both ends is slightly higher is formed on the tube surface or the tube and reinforcement surface. While the fins are compressed by frictional force on the surfaces of the tubes or the reinforcements of the fins, the height of the tops of the fins is leveled to increase the rigidity, and the contact pressure at both ends of the fins is increased.
  • the wave pitch interval at both ends in the longitudinal direction of the fin is compression-formed narrower than the pitch interval of other waves, so The height of the top of the fin is slightly higher. And the side where the height of the top of the fins at both ends is a little higher is compression-molded in the laminating direction with respect to the surfaces of both tubes or the surfaces of the tubes and the reinforcement, and the tops of the fins are While the fins are compressed by the frictional force on the surface of the reinforcement, the heights of the tops of the fins are leveled to increase the rigidity, and the contact pressure at both ends of the fins is increased.
  • the movable blade has a predetermined inclined surface on the downstream side in the transfer direction, and the inclined surface facing the movable blade is provided on the downstream side in the fin transfer direction of the movable blade and the fixed blade.
  • the stopper has a longitudinal direction of the fin by disposing the stopper portion in synchronism with the driving operation of the movable blade and bringing the inclined surface of the stopper portion into contact with the downstream end portion in the fin transfer direction from the wave height direction of the fin.
  • FIG. 3 is an enlarged cross-sectional view of a tank of the radiator and its peripheral portion taken along line S4-S4 of FIG. It is a front view of the core part of the same radiator. It is a principal part expanded sectional view of the core part. It is explanatory drawing which shows the manufacturing method of the fin for heat exchangers of an Example, (a) shows the state before cutting
  • FIG. 1 is a side view showing a heat exchanger fin according to an embodiment of the present invention
  • FIG. 2 is a perspective view of a radiator incorporating the heat exchanger fin according to the embodiment
  • FIG. 3 is a rear view of the radiator.
  • 4 is an enlarged cross-sectional view taken along line S4-S4 in FIG. 2
  • FIG. 5 is a front view of the core portion of the radiator
  • FIG. 6 is an enlarged cross-sectional view of the main portion of the radiator
  • FIG. FIG. 8 is an explanatory view showing the operation of the heat exchanger fin according to the embodiment.
  • the heat exchanger fins are alternately stacked in the order of the wavy fins 2 and the tubes 3 between a pair of reinforcements 1 and 1 arranged at predetermined intervals in the vertical direction.
  • these three joint portions are used in a radiator (heat exchanger) 5 having a core portion 4 to which brazing is fixed.
  • the fin 2 is compression-molded at both ends 2a by compressing and molding the wave pitch interval at the longitudinal ends 2a and 2a to be narrower than the wave pitch interval at the intermediate portion thereof. While the rigidity of 2a becomes high, it becomes a little higher than the height of the peak of the fin of the intermediate part of the height of the peak of the fin 2 of these both ends 2a and 2a. In this embodiment, three crests of the compression-molded wave are formed at both end portions 2a and 2a.
  • the radiator 5 in which the heat exchanger fins of this embodiment are used includes an aluminum core portion 4 and resin tanks 6 and 7 disposed on both the left and right sides, as shown in FIG.
  • Each tank 6, 7 is formed in a substantially vessel shape, and the tank 6 is provided with an input port 6 a that communicates with the inside thereof and protrudes in a cylindrical shape to the rear, while the tank 7 communicates with the inside thereof, An output port 7a protruding in a cylindrical shape rearward is provided.
  • the core portion 4 is adjacent to a pair of tube plates 8 and 9 for mounting the corresponding tanks 6 and 7, and a plurality of tubes 3 stacked between the tube plates 8 and 9.
  • the corrugated fins 2 are disposed between the tubes 3 and a pair of reinforcements 1 and 1 that reinforce and connect both end portions of the tube plates 8 and 9.
  • the tube plates 8 and 9 are formed in a substantially tray shape, and at the bottoms of the corresponding tanks 6 and 7 by a plurality of claw portions 8a and 9a protruding from the outer peripheral edge thereof, respectively. It is fixed by caulking through the seal member 10.
  • the tube 3 is formed in a flat tubular shape, and both end portions 3a thereof are brazed and fixed in a state of being inserted and fixed to the corresponding tube plates 7 and 8, respectively.
  • the fins 2 are formed in a wave shape and are brazed and fixed together in a state in which the tops of the waves are in contact with the adjacent tubes 3 or the reinforcements 1 and 1. Further, the peak portions of the fins 2 positioned at the outermost end of the core portion 4 are brazed and fixed together in contact with the corresponding corresponding reinforcements 1 and 1. Further, although not shown in the figure, a plurality of louvers are provided between the peaks and valleys of the fin 2.
  • the reinforcements 1 and 1 are formed in a plate shape having a substantially U-shaped cross section, and their end portions 11 are brazed and fixed together while being inserted into and fixed to the corresponding tube plates 8 and 9, respectively.
  • a clad layer (brazing sheet) is provided on at least one of the joint portions of the constituent members in the core portion 4 of the present embodiment, and the joint portions are joined by brazing, which will be described later.
  • a transfer device 11 comprising a right-handed twist worm and a left-handed twist worm that rotate by engaging with both shoulders on the crest side of the corrugated fin 2, respectively.
  • the corrugated fins 2 are continuously transferred on the transfer table 12.
  • the wedge-shaped movable blade 13 provided on the upper portion of the fin 2 is driven in the vertical direction as shown in FIG. While moving the fin 2 to and from the fixed blade 1, it is cut to a predetermined length.
  • the worms are configured to transfer the fins 2 by sandwiching the fins 2 from the left and right, connected by gears, and rotated by a servo motor, respectively.
  • the movement distance of the fins 2 can be measured by counting the number of valleys of the corrugated fins 2. That is, both the worms also serve as cutting and positioning for the counting worms and the valleys of the fins 2.
  • the movable blade 13 and the fixed blade 14 are provided close to the downstream end of the transfer device 11, and the movable blade 13 is provided with an inclined surface 13a of 10 to 20 ° on the downstream side in the fin transfer direction.
  • a stopper portion 15 having an inclined surface 15a of 10 to 20 ° facing the movable blade 13 is disposed at a position spaced apart from the movable blade 13 and the fixed blade 14 on the downstream side in the fin transfer direction.
  • the stopper portion 15 is driven downward in synchronization with the downward driving operation of the movable blade 13, and the inclined surface 15a is transferred to the fin 2 as shown in FIG. 7B.
  • the wave pitch interval at the longitudinal ends 2a and 2a of the fin 2 is reduced by the descending speed of the movable blade 13 and the stopper 15. Compression molding is performed narrower than the pitch interval of other waves.
  • the movable blade 13 and the stopper member 15 are driven by appropriate driving means such as an actuator (not shown).
  • the manufacturing method of the radiator which has the fin of an Example is demonstrated.
  • the components of the core portion 4 are temporarily assembled, and the reinforcements 1, 1 on both sides in the stacking direction of the tube 3 of each core portion 4 are respectively attached.
  • the joint portions of the constituent members of the core portion 4 are brazed and fixed to be integrally formed. .
  • the wave pitch interval at the longitudinal end portions 2a, 2a of the fin 2 is compression-molded so as to be narrower than the wave pitch interval at the intermediate portion thereof.
  • the height (H2) of the top part of the fin 2 of the both ends 2a and 2a which were compression-molded becomes a little higher than the height (H1) of the top part of the intermediate part.
  • the side where the height (H2) of the tops of the fins 2 at both ends is slightly higher is between the surfaces of both tubes 3 and 3, as shown in FIG.
  • the top of the fins 2 is the fins 2 on the surfaces of both the tubes 3 and 3 or the reinforcement 1 surface.
  • the corrugated plate-like fin 2 continuously transferred on the transfer table 12 by the transfer device 11 is moved to the lower portion of the fin 2 by the vertical drive operation of the wedge-shaped movable blade 12 provided on the upper portion of the fin.
  • the movable blade 13 is provided with an inclined surface 13a on the downstream side in the fin transfer direction, and a predetermined downstream of the movable blade 13 and the fixed blade 14 on the downstream side in the fin transfer direction.
  • a stopper portion 15 having an inclined surface 15a facing the movable blade 13 is disposed at a position apart from the gap, and in synchronization with the driving operation of the movable blade 13, the inclined surface 15a of the stopper portion 15 is downstream of the fin 2 in the transfer direction.
  • the wave pitch interval at the longitudinal ends 2a, 2a of the fin 2 is compression-molded so as to be narrower than the wave pitch interval of the intermediate portion.
  • a radiator is described as an example of a heat exchanger, but the present invention can also be applied to a heat exchanger such as a condenser.
  • the height of the top of the wave of the fin is increased by compression molding both ends of the fin, but the height of the top of the wave at the both ends of the fin is previously increased without using compression molding.
  • the same effect can be obtained.
  • the inclined surfaces of the movable blade 13 and the stopper portion 15 are set to 10 to 20 °. However, when the descending speed of the movable blade 13 is slow, it may be set to 20 ° or more.

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

Abstract

L'invention porte sur une ailette d'échangeur de chaleur et sur un procédé de fabrication de l'ailette d'échangeur de chaleur, des extrémités opposées d'une ailette ondulée étant empêchées d'être suspendues vers le bas (direction avant-arrière d'une section centrale) à partir d'une surface centrale durant le brasage. Un radiateur (5) comporte la section centrale (4) qui est formée par l'empilement alterné d'ailettes ondulées (2) et de tubes (3) les uns sur les autres entre une paire d'éléments de renfort (1, 1) qui sont placés à un intervalle prédéterminé, et par brasage des joints entre les éléments (1, 2, 3). Une ailette (2) est formée par compression de telle sorte que le pas des ondulations dans des sections d'extrémité opposées longitudinales (2a) de l'ailette (2) est inférieur au pas des ondulations dans une section intermédiaire de l'ailette (2). Sur le côté en aval dans une direction de transport d'ailette, l'extrémité d'une ailette (2) qui se situe sur le côté en aval dans la direction de transport d'ailette est amenée à venir en contact avec une surface inclinée (15a) d'un élément d'arrêt (15) de façon synchrone avec une opération d'entraînement d'une lame mobile de coupe d'ailette (13). Grâce à cela, le pas au niveau des extrémités opposées de l'ailette (2) est rendu plus petit par compression.
PCT/JP2009/052831 2008-02-19 2009-02-19 Ailette d'échangeur de chaleur et procédé de fabrication d'ailette d'échangeur de chaleur WO2009104659A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008037868A JP5142753B2 (ja) 2008-02-19 2008-02-19 熱交換器用フィンの製造方法
JP2008-037868 2008-02-19

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WO2009104659A1 true WO2009104659A1 (fr) 2009-08-27

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WO (1) WO2009104659A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014522958A (ja) * 2011-07-12 2014-09-08 ヴァレオ システム テルミク ヘッダタンク、熱交換器、および、対応する組み立て方法
CN107838264A (zh) * 2017-11-16 2018-03-27 无锡海特精密模具有限公司 一种可快速切换翅片片型的纵切机构
CN108258368A (zh) * 2018-03-23 2018-07-06 华霆（合肥）动力技术有限公司 不连续筋位扁管及电池模组
EP4155645A1 (fr) * 2020-05-22 2023-03-29 Mitsubishi Electric Corporation Échangeur de chaleur et climatiseur comprenant ledit échangeur de chaleur

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9448010B2 (en) * 2012-05-10 2016-09-20 Hamilton Sundstrand Corporation Heat exchanger
CN103968615A (zh) * 2014-05-28 2014-08-06 南方英特空调有限公司 蒸发器芯体

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1073388A (ja) * 1996-08-29 1998-03-17 Zexel Corp 熱交換器
JPH1137683A (ja) * 1997-07-15 1999-02-12 Nippon Light Metal Co Ltd 熱交換器
JP2002052923A (ja) * 2000-08-10 2002-02-19 Denso Corp 複式熱交換器
JP2006136896A (ja) * 2004-11-10 2006-06-01 Calsonic Kansei Corp フィンの製造方法およびフィンの製造装置

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
US4645000A (en) * 1986-04-21 1987-02-24 General Motors Corporation Tube and fin heat exchanger
JPH0336315U (fr) * 1989-08-17 1991-04-09
JPH0755379A (ja) * 1992-02-18 1995-03-03 Nippondenso Co Ltd 熱交換器
JPH0942876A (ja) * 1995-07-28 1997-02-14 Mitsubishi Heavy Ind Ltd 熱交換器
JP2007139376A (ja) * 2005-11-22 2007-06-07 Nikkei Nekko Kk 熱交換器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1073388A (ja) * 1996-08-29 1998-03-17 Zexel Corp 熱交換器
JPH1137683A (ja) * 1997-07-15 1999-02-12 Nippon Light Metal Co Ltd 熱交換器
JP2002052923A (ja) * 2000-08-10 2002-02-19 Denso Corp 複式熱交換器
JP2006136896A (ja) * 2004-11-10 2006-06-01 Calsonic Kansei Corp フィンの製造方法およびフィンの製造装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014522958A (ja) * 2011-07-12 2014-09-08 ヴァレオ システム テルミク ヘッダタンク、熱交換器、および、対応する組み立て方法
CN107838264A (zh) * 2017-11-16 2018-03-27 无锡海特精密模具有限公司 一种可快速切换翅片片型的纵切机构
CN108258368A (zh) * 2018-03-23 2018-07-06 华霆（合肥）动力技术有限公司 不连续筋位扁管及电池模组
EP4155645A1 (fr) * 2020-05-22 2023-03-29 Mitsubishi Electric Corporation Échangeur de chaleur et climatiseur comprenant ledit échangeur de chaleur
EP4155645A4 (fr) * 2020-05-22 2023-06-21 Mitsubishi Electric Corporation Échangeur de chaleur et climatiseur comprenant ledit échangeur de chaleur

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JP5142753B2 (ja) 2013-02-13
JP2009198033A (ja) 2009-09-03

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