WO2006132037A1 - Tube pour echangeur de chaleur - Google Patents

Tube pour echangeur de chaleur Download PDF

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Publication number
WO2006132037A1
WO2006132037A1 PCT/JP2006/308299 JP2006308299W WO2006132037A1 WO 2006132037 A1 WO2006132037 A1 WO 2006132037A1 JP 2006308299 W JP2006308299 W JP 2006308299W WO 2006132037 A1 WO2006132037 A1 WO 2006132037A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchange
flow path
heat exchanger
tube
upstream
Prior art date
Application number
PCT/JP2006/308299
Other languages
English (en)
Japanese (ja)
Inventor
Jinichi Hiyama
Sachio Koyama
Original Assignee
Calsonic Kansei 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 Calsonic Kansei Corporation filed Critical Calsonic Kansei Corporation
Priority to US11/916,738 priority Critical patent/US20090223656A1/en
Priority to EP06732157A priority patent/EP1901021A1/fr
Publication of WO2006132037A1 publication Critical patent/WO2006132037A1/fr

Links

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
    • F28D1/03—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 plate-like or laminated conduits
    • F28D1/0391—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 plate-like or laminated conduits a single plate being bent to form one or more conduits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/151—Making tubes with multiple passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/156—Making tubes with wall irregularities
    • B21C37/158—Protrusions, e.g. dimples
    • 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
    • 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
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
    • 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
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations

Definitions

  • the present invention relates to a heat exchanger tube that performs heat exchange between an air flow that flows around an outer periphery and a refrigerant that flows through an internal flow path.
  • Patent Document 1 A conventional heat exchange tube of this type is disclosed in Patent Document 1.
  • This heat exchanger tube is composed of an outer wall portion having a flat elliptical cross section and a partition wall that divides the flow path in the outer wall portion into two.
  • the partition wall is composed of two partition pieces that are set at positions where the width of the upstream channel and the width of the downstream channel are the same, and face each other.
  • the heat exchange tube having such a configuration is produced, for example, from a single base plate as follows. Both ends in the width direction of the elongated base plate are bent to form a partition piece. Next, the base plate is bent into a flat elliptical shape, and the partition pieces at both ends are aligned with each other. Then, the surfaces that are brought into contact with each other by bending are joined together by brazing or the like.
  • a heat exchanger ⁇ is manufactured using the heat exchanger tube thus formed.
  • the heat exchanger is arranged such that an air flow passes through the outer periphery along the width direction of the heat exchanger tube, and the air flow passing through the outer periphery and the refrigerant flowing through the internal upstream side flow channel and the downstream side flow channel are provided. Heat exchange takes place between the two. And since the flow path is divided into two by the partition wall, it is strong against pressure in the direction of crushing the flow path and has excellent pressure resistance.
  • Patent Document 1 JP-A-10-305341
  • the heat exchange efficiency of the refrigerant flowing through the flow path varies depending on the upstream and downstream positions of the air flow passing through the outer periphery.
  • the partition wall is installed in the conventional heat exchange tube without considering the heat exchange efficiency of such a refrigerant, the heat exchange tube having the partition wall is ⁇ in terms of heat exchange efficiency. It was a power that wasn't the best.
  • the present invention has a partition wall and can improve heat exchange efficiency.
  • the purpose is to provide a heat exchange tube that can be used.
  • a heat exchanger tube includes a heat exchange tube arranged along a direction crossing the air flow so that the air flow passes through the outer periphery along the width direction.
  • An upstream flow path positioned upstream of the air flow, a downstream flow path positioned downstream of the air flow, and a partition wall dividing the upstream flow path and the downstream flow path.
  • the partition wall is arranged so that the width of the upstream flow path is wider than the width of the downstream flow path.
  • the heat exchange efficiency of the refrigerant flowing through the flow path gradually decreases toward the highest downstream position at the most upstream position of the air flow, and after the downstream position after the central position.
  • the efficiency is low!
  • the pattern remains unchanged, and the heat exchange efficiency is high.
  • the partition wall is located at the position, the heat exchange efficiency of the heat exchange tube as a whole can be improved.
  • the upstream flow path may be provided with a protrusion protruding from at least one side of the outer wall.
  • the upstream flow path is wider than the downstream flow path and is inferior in pressure resistance, but the pressure resistance of the upstream flow path is improved by the protrusion. Therefore, the pressure resistance of the heat exchanger tube as a whole is improved. Further, the protrusion increases the inner peripheral area of the upstream flow path and the surface area of the outer wall, and the flow of the refrigerant flowing in the flow path is more disturbed, contributing to the improvement of heat exchange efficiency.
  • the protrusions may be provided at a plurality of locations at intervals along the longitudinal direction.
  • the refrigerant flowing in the upstream flow path is stirred by the plurality of protrusions, and heat exchange is promoted. Therefore, the heat exchange efficiency can be improved.
  • FIG. 1 is a cross-sectional view showing a first embodiment of the present invention and showing an arrangement state of heat exchanger tubes in an air flow path.
  • FIG. 2 is an overall perspective view of a heat exchanger tube showing a first embodiment of the present invention.
  • FIG. 3 is a cross-sectional view taken along line 3-3 of FIG. 2, showing the first embodiment of the present invention.
  • FIG. 4 shows the first embodiment of the present invention and is a diagram showing the characteristics of the heat exchange efficiency of the heat exchanger tube.
  • FIG. 5 is a schematic view of a heat exchanger tube manufacturing apparatus according to the first embodiment of the present invention.
  • FIG. 6 is a perspective view of a main part of the manufacturing apparatus according to the first embodiment of the present invention.
  • FIG. 7 shows a first embodiment of the present invention
  • (a) to (f) are perspective views respectively showing a process of forming a heat exchanger tube.
  • FIG. 8 is a perspective view of a main part of a heat exchanger tube, showing a second embodiment of the present invention.
  • FIG. 9 shows a third embodiment of the present invention and is a perspective view of the main part of a heat exchanger tube.
  • FIG. 10 is a perspective view of a main part of a heat exchanger tube according to a fourth embodiment of the present invention.
  • FIG. 11 is a perspective view of a main part of a heat exchanger tube according to a fifth embodiment of the present invention.
  • the heat exchange 1 is arranged in the air flow path 3 of the air conditioning unit 2.
  • the heat exchange includes a plurality of heat exchange tubes 10 arranged in parallel at intervals and a pair of headers 11 fixed to both ends of the plurality of heat exchange tubes 10.
  • the refrigerant that has flowed into the header 11 flows out of the header 11 through the heat exchange tube 10 through a predetermined path.
  • Each heat exchanging tube 10 is arranged along the direction crossing the air flow so that the air flow in the air flow path 3 passes the outer periphery along the width direction.
  • the heat exchanger tube 10 has a flat elliptical cross section.
  • the flow path 13 is partitioned by a partition wall 14 into an upstream flow path 13 a disposed on the upstream side of the air flow and a downstream flow path 13 b disposed on the downstream side of the air flow.
  • the partitioning position of the partition wall 14 is set to a position where the width W2 ( ⁇ W1) of the downstream flow path 13b where the width W1 of the upstream flow path 13a is wide becomes narrow.
  • the partition wall 14 is composed of a pair of partition pieces 14a, 14a integrally connected from both ends in the width direction of the outer wall portion 12, and between the partition pieces 14a, 14a and between The tip surface of 14a and the inner surface of the outer wall 12 are brazed.
  • the protrusion 15 is provided at a substantially central position in the width direction of the upstream flow path 13a.
  • the projecting portion 15 is composed of a pair of projecting pieces 15a provided at opposite positions of both outer wall portions 12, and the tip surfaces of both projecting pieces 15a, 15a are in contact with each other, and this contact Location Force S Brazed.
  • the protrusion 15 is provided continuously over substantially the entire length of the heat exchange tube 10 in the longitudinal direction.
  • the manufacturing apparatus 20 includes a first folding roll unit 21, an application roll unit 22, a drying unit 23, and a second folding roll unit 24.
  • the first folding roll section 21 is formed by folding both ends of, for example, a long material of aluminum-umum material (see FIG. 7 (a)) 25 wound around in a roll shape, and separating pieces 14a, 14a. And bend the two central force points to form protruding pieces (beads) 15a and 15a (see FIGS. 7 (b) and (c)).
  • a long material of aluminum-umum material see FIG. 7 (a)
  • the coating roll unit 22 includes a material storage unit 26 that stores a mixture of flux, brazing material, and binder, a first transfer roll 27, a second transfer roll 28, and a transfer sheet 29. Yes. Then, a mixed coating material a of flux, brazing material, and binder is applied to the front end surfaces of the cut pieces 14a, 14a on both sides formed by the first folding roll portion 21 and the projecting pieces 15a, 15a at the two force points (see FIG. 6, see Figure 7 (d)).
  • the drying unit 23 volatilizes the binder in the mixed coating material a applied on the material 25.
  • the second bending roll section 24 bends the material 25 bent into a predetermined shape into the shape of the heat exchanger tube 10 (see FIGS. 7 (e) and (f)).
  • the heat exchange tube 10 temporarily assembled as a component part of the heat exchange 1 is heat-treated in a heating furnace to braze the portion where the mixed application material a is applied.
  • the heat exchanger tube 10 having the above configuration includes an air flow through the air flow path 3 and an internal flow path 1. Heat is exchanged with the refrigerant flowing through 3.
  • the heat exchange efficiency gradually decreases as it goes to the highest downstream at the most upstream position of the airflow, and becomes lower after the downstream position past the central position. Indicates a pattern that remains.
  • the partition wall 14 does not exist at a position where the heat exchange efficiency is high, and all of the refrigerant flows and is used for heat exchange, so that the partition wall 14 is positioned at a position where the heat exchange efficiency is almost the lowest. Therefore, the heat exchange efficiency as a whole of the heat exchanger tube 10 can be improved.
  • the upstream flow path 13a since the upstream flow path 13a is provided with the protrusion 15, the upstream flow path 13a, which is wider than the downstream flow path 13b, has a strong pressure resistance configuration. Has been. Therefore, the pressure resistance of the heat exchange tube as a whole can be maintained. Further, since the inner peripheral area of the upstream flow path 13a and the surface area of the outer wall part 12 are widened by the protrusion 15, the heat exchange efficiency is improved.
  • FIG. 8 shows a second embodiment of the present invention and is a partial perspective view of the heat exchanger tube 30.
  • the protrusions 31 are provided continuously in the longitudinal direction of the heat exchanger tube as in the first embodiment. It is divided into a plurality of spaces at intervals.
  • the refrigerant flowing in the upstream flow path 13a is agitated by the protrusions 31 at a plurality of locations and flows, so heat exchange is promoted. Therefore, the heat exchange efficiency can be improved.
  • FIG. 9 shows a third embodiment of the present invention and is a partial perspective view of the heat exchanger tube 32.
  • the protrusion 33 of the heat exchanger tube 32 of the third embodiment is common in that a plurality of protrusions 33 are provided at intervals similar to those of the second embodiment. It differs from the second embodiment in that it has an elliptical shape that is not an elongated rectangular shape.
  • the refrigerant flowing in the upstream flow path 13a is agitated by the plurality of protrusions 33, and heat exchange is promoted. Therefore, the heat exchange efficiency can be improved.
  • FIG. 10 shows a fourth embodiment of the present invention and is a partial perspective view of the heat exchanger tube 34.
  • the protrusion 35 of the heat exchanging tube 34 of the fourth embodiment is The elliptical shape is the same as that of the third embodiment, except that the direction of the elliptical shape is inclined with respect to the longitudinal direction of the heat exchanger tube 34.
  • the refrigerant flowing in the upstream flow path 13a is agitated by the plurality of protrusions 35, and heat exchange is promoted. Therefore, the heat exchange efficiency can be improved.
  • FIG. 11 shows a fifth embodiment of the present invention and is a partial perspective view of the heat exchanger tube 36.
  • the protrusion 37 of the heat exchanging tube 36 of the fifth embodiment has an elliptical shape as in the third and fourth embodiments, but the orientation of the elliptical shape is The difference is that the major axis is directed in the same direction as the longitudinal direction of the heat exchanging tube 36, and the one with the major axis directed in the inclined direction is alternately provided.
  • the refrigerant flowing in the upstream flow path 13a is agitated by the plurality of protrusions 37, and heat exchange is promoted. Therefore, the heat exchange efficiency can be improved.
  • the protrusions 15, 31, 33, 35, 37 are a pair of protrusion pieces 15a provided at locations facing each other of the outer wall portion 12 forming the upstream flow path 13a. , (Not shown), but only the protruding piece protruding inward from the location of one of the outer wall portions 12 may also be configured.
  • both protrusions 15a, 15a are formed at the same height and approximately 1Z2 height of the width of the upstream flow path 13a, but one of them is more than 1Z2 height. The height of the other may be lower than the height of 1Z2.
  • the heat exchange efficiency of the refrigerant flowing in the flow path gradually decreases as it goes to the highest downstream at the most upstream position of the air flow, and after the downstream position past the central position. This shows a pattern where the efficiency remains low and the state remains high, where the heat exchange efficiency is high, where there is no partition wall, all the refrigerant flows and is used for heat exchange, and the heat exchange efficiency is at the lowest efficiency. Since the partition wall is located at the center, the heat exchange efficiency of the heat exchange tube as a whole can be improved.

Abstract

L’invention concerne un tube (10) pour un échangeur de chaleur, disposé de façon à permettre le passage d’un écoulement d’air sur sa périphérie extérieure dans la direction latérale. Un passage d’écoulement interne (13) est divisé par une paroi de séparation (14) en un passage d’écoulement amont (13a) disposé en amont de l’écoulement d’air et en un passage d’écoulement aval (13b) disposé en aval de l’écoulement d’air. La paroi de séparation (14) est placée dans une position telle que la largeur (W1) du passage d’écoulement amont (13a) est plus grande que la largeur (W2) du passage d’écoulement aval (13b).
PCT/JP2006/308299 2005-06-06 2006-04-20 Tube pour echangeur de chaleur WO2006132037A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/916,738 US20090223656A1 (en) 2005-06-06 2006-04-20 Heat exchanger tube
EP06732157A EP1901021A1 (fr) 2005-06-06 2006-04-20 Tube pour echangeur de chaleur

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-166206 2005-06-06
JP2005166206A JP2006337005A (ja) 2005-06-06 2005-06-06 熱交換器用チューブ

Publications (1)

Publication Number Publication Date
WO2006132037A1 true WO2006132037A1 (fr) 2006-12-14

Family

ID=37498244

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/308299 WO2006132037A1 (fr) 2005-06-06 2006-04-20 Tube pour echangeur de chaleur

Country Status (5)

Country Link
US (1) US20090223656A1 (fr)
EP (1) EP1901021A1 (fr)
JP (1) JP2006337005A (fr)
CN (1) CN101189485A (fr)
WO (1) WO2006132037A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010112671A (ja) * 2008-11-10 2010-05-20 Showa Denko Kk 熱交換器用チューブの製造方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5803768B2 (ja) 2012-03-22 2015-11-04 株式会社デンソー 熱交換器用フィンおよび熱交換器
CN103047759B (zh) * 2012-12-28 2016-04-20 罗小兵 一种热交换燃烧室
DE102015112833A1 (de) * 2015-08-05 2017-02-09 Valeo Klimasysteme Gmbh Wärmetauscher sowie Fahrzeugklimaanlage
JP2019052770A (ja) 2017-09-12 2019-04-04 セイコーエプソン株式会社 熱交換装置、冷却装置及びプロジェクター

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0473592A (ja) * 1990-07-11 1992-03-09 Matsushita Electric Ind Co Ltd 熱交換器
JPH10197174A (ja) * 1996-12-27 1998-07-31 Zexel Corp 熱交換器
JPH10305341A (ja) * 1998-04-03 1998-11-17 Calsonic Corp アルミニウム製熱交換器コア

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US6371201B1 (en) * 1996-04-03 2002-04-16 Ford Global Technologies, Inc. Heat exchanger and method of assembly for automotive vehicles
FR2788123B1 (fr) * 1998-12-30 2001-05-18 Valeo Climatisation Evaporateur, appareil de chauffage et/ou de climatisation et vehicule comportant un tel evaporateur
JP2001041675A (ja) * 1999-07-28 2001-02-16 Mitsubishi Heavy Ind Ltd 熱交換器用チューブおよび熱交換器
CN1826503A (zh) * 2003-07-15 2006-08-30 奥托库姆普铜产品公司 含压力传热管及其制造方法
KR100518856B1 (ko) * 2003-09-04 2005-09-30 엘지전자 주식회사 플랫 튜브 열 교환기
US8267163B2 (en) * 2008-03-17 2012-09-18 Visteon Global Technologies, Inc. Radiator tube dimple pattern

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0473592A (ja) * 1990-07-11 1992-03-09 Matsushita Electric Ind Co Ltd 熱交換器
JPH10197174A (ja) * 1996-12-27 1998-07-31 Zexel Corp 熱交換器
JPH10305341A (ja) * 1998-04-03 1998-11-17 Calsonic Corp アルミニウム製熱交換器コア

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010112671A (ja) * 2008-11-10 2010-05-20 Showa Denko Kk 熱交換器用チューブの製造方法

Also Published As

Publication number Publication date
EP1901021A1 (fr) 2008-03-19
CN101189485A (zh) 2008-05-28
JP2006337005A (ja) 2006-12-14
US20090223656A1 (en) 2009-09-10

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