WO2001018477A1 - Echangeur de chaleur - Google Patents

Echangeur de chaleur Download PDF

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Publication number
WO2001018477A1
WO2001018477A1 PCT/JP2000/005830 JP0005830W WO0118477A1 WO 2001018477 A1 WO2001018477 A1 WO 2001018477A1 JP 0005830 W JP0005830 W JP 0005830W WO 0118477 A1 WO0118477 A1 WO 0118477A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
fin
heat exchanger
heat
based alloy
Prior art date
Application number
PCT/JP2000/005830
Other languages
English (en)
Japanese (ja)
Inventor
Soichi Kato
Shoji Akiyama
Shin Kurihara
Muneo Sakurada
Original Assignee
Zexel Valeo Climate Control Corporation
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 Zexel Valeo Climate Control Corporation filed Critical Zexel Valeo Climate Control Corporation
Publication of WO2001018477A1 publication Critical patent/WO2001018477A1/fr

Links

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
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
    • F28F19/06—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of metal

Definitions

  • the present invention relates to a heat exchanger including a tube constituting a tube and a member constituting a fin, and a heat exchanger comprising a tube through which the medium is circulated by heating them and a fin attached to the tube.
  • Heat exchangers such as capacitors, evaporators, lagers, and heat cores, provided in the engine room and interior of a car are equipped with tubes through which the medium flows and fins attached to the tubes. It is configured such that the medium exchanges heat with the heat transmitted to the tubes and the fins.
  • a heat exchanger used for a vehicle may use a combination of two or more heat exchangers having different functions.
  • the members constituting the tube and the members of the fin are generally made of an aluminum alloy, and both surfaces or a brazing sheet in which a material containing Si is clad on one surface. Is used.
  • a tube for a heat exchanger has been known to be formed from a rolled aluminum material to form a flat tube.
  • the potential of the fin is tuned.
  • the tube is made more anticorrosive by making it less basic.
  • the surface of the tube is subjected to chromate treatment to prevent corrosion of the tube.
  • an object of the present invention is to provide a heat exchanger that has excellent corrosion resistance of a tube and uses a small amount of Si. Disclosure of the invention
  • the invention described in claim 1 of the present application includes a tube through which a medium flows, and a fin attached to the tube, and performs heat exchange of the medium by heat transmitted to the tube and the fin.
  • the heat exchanger wherein the tube and the fin are assembled by assembling a member constituting the tube and a member constituting the fin, and heat-treating them.
  • the material constituting the fin is a core material made of an A1-Mn-based alloy provided with a sacrificial material made of an A1-Zn-based alloy, and the member constituting the fin is made of This is a heat exchanger with a bare material in which a material containing Si is partially provided on the surface.
  • the tube is constituted. Is made of a core material made of A 1 -Mn-based alloy and a sacrificial material made of A1-Zn-based alloy, the potential of the core material is noble relative to the sacrificial material. As a result, the corrosion resistance of the tube is definitely improved due to the sacrificial anode effect.
  • a brazing sheet in which a material containing Si is clad on both sides or on one side in the past has been used, but in the present invention, Si is used in the present invention. Since it is a bare material in which the material to be included is partially provided, the usage of Si is reliably reduced.
  • the invention described in claim 2 of the present application includes a tube through which a medium flows, and a fin attached to the tube, and heat of the medium is transmitted by heat transmitted to the tube and the fin.
  • a heat exchanger for performing exchange wherein the tube and the fin are assembled by assembling members constituting the tube and members constituting the fin, and heat-treating these members.
  • the tube is made of a core material made of an A1-Mn-based alloy provided with a sacrificial material made of an A1-Zn-based alloy, and a material that contains Si on its surface. This is a heat exchanger having a configuration in which is partially provided.
  • the tube is made of a material in which a core material made of A 1 -Mn alloy is provided with a sacrificial material made of A 1 -Zn alloy. Therefore, the potential of the core material is noble relative to the sacrificial material, and as a result, the corrosion resistance of the tube is surely improved by the sacrificial anode effect.
  • a brazing sheet in which a material containing Si is clad on both surfaces or the entire surface on one side is conventionally used, but in the present invention, a filter containing Si is used. Since it is a bare material partially provided with filler material, the usage of Si is reliably reduced.
  • the invention described in claim 3 of the present application includes a tube through which a medium flows, and a fin attached to the tube. A heat exchanger for exchanging heat of the medium by heat transmitted to the fin, wherein the tube and the fin are assembled by assembling a member constituting the tube and a member constituting the fin.
  • the tube is made of a core material made of an A1-Mn-based alloy provided with a sacrificial material made of an A1-Zn-based alloy, and
  • the surface of the fin is partially provided with a filler material containing Si, and the member constituting the fin is a bare member provided with a filler material containing Si on the surface thereof. It is a heat exchanger that is made of material.
  • the member constituting the tube has a core material made of A1-Mn alloy and a sacrificial material made of A1-Zn alloy provided. Therefore, the potential of the core material is noble relative to the sacrificial material, and as a result, the corrosion resistance of the tube is surely improved by the sacrificial anode effect.
  • a brazing sheet in which a material containing Si is clad on both sides or on one side in the past has been used. Since it is a bare material partially provided with a material containing sulfur, the usage of S i is surely reduced.
  • FIG. 2 is a front view showing a heat exchanger according to a specific example of the present invention.
  • FIG. 3 is a perspective view showing members constituting a tube according to a specific example of the present invention.
  • FIG. 2 is a perspective view showing members constituting a fin according to a specific example of the present invention. is there.
  • FIG. 4 is a front sectional view showing a tube and a fin according to another specific example of the present invention.
  • FIG. 2 is a side sectional view showing a tube and a fin according to a specific example of the present invention.
  • the heat exchanger 1 of the present example has a structure in which a plurality of tubes 2 are laminated via a fin 3 and both ends of the tube 2 Are arranged.
  • the medium is introduced into the heat exchanger 1 from the inlet section 5 provided in one header tank 4 and heats the tube 2 while transferring heat to the tube 2 and the fin 3. After circulation, it is discharged from the outlet 6 provided in the other header tank 4.
  • side plates 7, 7 as reinforcing members are arranged above and below the layer composed of the tubes 2 and the fins 3.
  • the ends of the side plates 77 are supported by header pipes 4,4.
  • the heat exchanger 1 is composed of a tube 2, a fin 3, a head tank 4, 4, an inlet 5, an outlet 6, and side plates 7, 7, which are integrally assembled.
  • the body is made by heat treatment in a furnace. Brazing filler metal and flux are provided in advance at key points of each member.
  • the member 21 constituting the tube 2 is formed by rolling a plate in which a sacrificial material made of A1-Zn alloy is provided on a core made of A1-Mn alloy. And the surface has S i Is partially provided with a material R that contains
  • the tube member 21 is provided with joining portions 22 and 22 on both sides in the width direction of the plate by roll forming, and a plurality of tubes 22 are provided between the two sides 22 and 22. Protrusions 23 are provided, and this is bent at the center in the width direction to form joints 22 provided on both sides.
  • the filler material R is applied to the contact surfaces of the joints 22 and the top of the plurality of protrusions 23.
  • the filler R is applied to a predetermined portion of the plate before the roll forming.
  • the member 31 constituting the fin 3 is a bare material in which a material R containing Si is partially provided on the surface thereof.
  • the fin member 31 is formed by rolling a bare material into a wavy shape, and the brazing material R is applied only to the wavy top of the bare material.
  • the fin member 31 is provided with ventilation louvers formed by cutting a bare material at appropriate intervals.
  • the tube member 21 and the fin member 31 are melted by heat treatment to form a filler material R which has been formed into a fillet surface.
  • a filler material R which has been formed into a fillet surface.
  • a plurality of flow paths through which the medium flows are formed by joining the joining portions 22, 22 and the top of the projection 23 and the opposing portion.
  • the fin 3 has a wavy top bonded to the surface of the tube 2.
  • the tube 2 is made of a member in which a sacrificial material made of an A1-Zn-based alloy is provided on a core material made of an A1-Mn-based alloy, so that sufficient corrosion resistance can be secured. Further, since the tube 2 and the fin 3 can be brazed with a small amount of brazing material, the usage of Si can be reduced. Furthermore, by reducing the use of Si, the heat exchanger Recycling is easy when disposing of 1.
  • the tube member 21 and the fin member 31 of the present example are provided with the filter medium R partially, a braid in which the filter medium is clad on both sides or on one side is entirely provided. The cost can be reduced as compared with the case of using g-sheets.
  • the A-Si alloy is used as the filler metal R, but Si powder is used as the filler metal and adheres to a predetermined portion. It may be configured to do so.
  • the tube member 21 of this example is formed by rolling a plate and partially providing a filler material R inside the plate.
  • the tube member 21 is also provided on the outside to be joined to the fin member 31. It is also possible to provide a part of the filler material. According to such a configuration, the tube 2 and the fin
  • the tube member 21 may be formed by rolling a plate, or may be, for example, a core member made of an extruded member provided with a sacrificial material.
  • the heat exchanger 1 of this example is a parallel flow type in which a plurality of tubes 2 and 2 are laminated.
  • the configuration in which the tubes and the fins are brazed is a meandering shape. It can also be applied to so-called serpentine-type heat exchangers equipped with tubes ⁇
  • the heat exchanger of this invention improves the corrosion resistance of a heat exchanger, and also enables the recycling by reducing the material used for constituting a heat exchanger.

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)

Abstract

L'invention concerne un échangeur de chaleur comprenant un tube permettant au milieu de s'écouler et des ailettes prévues sur le tube, et formé par l'assemblage du tube et des ailettes et par l'application d'un traitement thermique sur ces derniers. Un élément formant le tube est fabriqué à partir d'un matériau sacrificiel en alliage de A-Zn sur un matériau central en alliage Al-Mn, et les éléments formant les ailettes sont fabriqués à partir de matériaux nus obtenus par la production d'un métal d'apport de brasage fort contenant du Si sur leur surface.
PCT/JP2000/005830 1999-09-08 2000-08-29 Echangeur de chaleur WO2001018477A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP11/253990 1999-09-08
JP25399099A JP4412770B2 (ja) 1999-09-08 1999-09-08 熱交換器

Publications (1)

Publication Number Publication Date
WO2001018477A1 true WO2001018477A1 (fr) 2001-03-15

Family

ID=17258744

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2000/005830 WO2001018477A1 (fr) 1999-09-08 2000-08-29 Echangeur de chaleur

Country Status (2)

Country Link
JP (1) JP4412770B2 (fr)
WO (1) WO2001018477A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101095264B1 (ko) 2011-08-08 2011-12-20 주식회사백상 회전형 축열식 열교환기의 축열 바구니

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61202772A (ja) * 1985-03-07 1986-09-08 Nippon Light Metal Co Ltd 犠性陽極効果およびＺｎ被覆効果を併せもつアルミニウム合金製熱交換器の製造方法
JPH01285797A (ja) * 1988-05-12 1989-11-16 Diesel Kiki Co Ltd アルミニウム製熱交換器
JPH08319531A (ja) * 1995-05-19 1996-12-03 Showa Alum Corp ろう付用アルミニウム材料及び該材料を用いた耐食性に優れたドロンカップ型熱交換器
WO1999016920A1 (fr) * 1997-09-30 1999-04-08 Zexel Corporation Echangeur de chaleur
JPH11229063A (ja) * 1998-02-10 1999-08-24 Furukawa Electric Co Ltd:The 熱交換器用アルミニウム合金犠牲陽極材および熱交換器用高耐食性アルミニウム合金複合材

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61202772A (ja) * 1985-03-07 1986-09-08 Nippon Light Metal Co Ltd 犠性陽極効果およびＺｎ被覆効果を併せもつアルミニウム合金製熱交換器の製造方法
JPH01285797A (ja) * 1988-05-12 1989-11-16 Diesel Kiki Co Ltd アルミニウム製熱交換器
JPH08319531A (ja) * 1995-05-19 1996-12-03 Showa Alum Corp ろう付用アルミニウム材料及び該材料を用いた耐食性に優れたドロンカップ型熱交換器
WO1999016920A1 (fr) * 1997-09-30 1999-04-08 Zexel Corporation Echangeur de chaleur
JPH11229063A (ja) * 1998-02-10 1999-08-24 Furukawa Electric Co Ltd:The 熱交換器用アルミニウム合金犠牲陽極材および熱交換器用高耐食性アルミニウム合金複合材

Also Published As

Publication number Publication date
JP2001082893A (ja) 2001-03-30
JP4412770B2 (ja) 2010-02-10

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