WO2000029794A1 - Echangeur de chaleur equipe d'un connecteur et procede d'accouplement du connecteur a l'echangeur de chaleur - Google Patents

Echangeur de chaleur equipe d'un connecteur et procede d'accouplement du connecteur a l'echangeur de chaleur Download PDF

Info

Publication number
WO2000029794A1
WO2000029794A1 PCT/JP1998/005152 JP9805152W WO0029794A1 WO 2000029794 A1 WO2000029794 A1 WO 2000029794A1 JP 9805152 W JP9805152 W JP 9805152W WO 0029794 A1 WO0029794 A1 WO 0029794A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
header pipe
medium
hole
heat
Prior art date
Application number
PCT/JP1998/005152
Other languages
English (en)
Japanese (ja)
Inventor
Soichi Kato
Original Assignee
Zexel 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 Corporation filed Critical Zexel Corporation
Priority to PCT/JP1998/005152 priority Critical patent/WO2000029794A1/fr
Publication of WO2000029794A1 publication Critical patent/WO2000029794A1/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
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F28F9/0251—Massive connectors, e.g. blocks; Plate-like connectors
    • 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
    • F25B39/04—Condensers
    • 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
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/044—Condensers with an integrated receiver
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/044—Condensers with an integrated receiver
    • F25B2339/0446—Condensers with an integrated receiver characterised by the refrigerant tubes connecting the header of the condenser to the receiver; Inlet or outlet connections to receiver

Definitions

  • the present invention relates to a heat exchanger provided with a connector for connecting an external flow path for medium distribution to a header pipe, and a method for connecting a connector to the heat exchanger.
  • a parallel flow type heat exchanger consists of alternately stacking tubes that perform heat exchange of media and fins that promote heat exchange of media, and distributes media to both ends of these tubes. And a collection of header pipes.
  • Each header pipe has upper and lower end openings closed by caps, and the inside is partitioned by a partition plate.
  • Connectors for connecting external flow paths for medium flow are provided at key points. Is provided. According to this configuration, the medium is introduced into the heat exchanger through a predetermined connector, and exchanges heat with the outside air in the tube while reciprocating through each header pipe a plurality of times. Is discharged.
  • such a heat exchanger is usually assembled by assembling the members constituting the heat exchanger, such as a tube, a fin, a header pipe, a cap, a partition plate, and a connector.
  • the members constituting the heat exchanger such as a tube, a fin, a header pipe, a cap, a partition plate, and a connector.
  • soldering Manufactured by soldering. That is, each of these members is made of a metal material in which a filler material is clad on the surface, and is assembled together using a jig or the like, and is also sent into the furnace and subjected to heat treatment. It is applied and brazed together.
  • Some connectors are configured to connect a receiver tank to the header pipe.
  • the receiver tank temporarily stores the medium (refrigerant) aggregated in the heat exchanger (in this case, the condenser).
  • the connector of the heat exchanger needs to prevent the lump of the filter medium and the flux from adhering to the joint surface with the external flow path. This is because if the joint surface of the connector is contaminated with the filler metal flux, the airtightness between the connector and the external flow path is impaired, which may cause a medium leak.
  • the present invention provides a heat exchanger and a connector connecting method of the heat exchanger, which can efficiently provide a connector for connecting an external flow path for media distribution. It is an object. Disclosure of the invention
  • the invention described in claim 1 of the present application includes: a tube for performing heat exchange of a medium; and a header pipe for distributing and collecting the medium, wherein the header pipe has an external flow path for medium distribution.
  • the connector includes: a flow hole through which the medium flows; a screw component mounting hole into which the external flow channel connection screw component is screwed or inserted; And a convex portion for welding to the outer periphery of the header pipe, and the flow hole has a tubular end portion to be welded to a hole provided in the header pipe.
  • the connector has the flow hole through which the medium flows, the screw component mounting hole, and the projection for welding the tip to the outer periphery of the header pipe. Since the flow hole has a tubular end portion to be welded to the hole provided in the header pipe, the welding area between the header pipe and the connector can be reduced, and the connector can be efficiently provided. Can be
  • the joint surface of the connector can be maintained so as not to be stained compared to the case of heating in the furnace, but the heat treatment accompanying welding is There was an inconvenience that it took time.
  • the connector is supported with a small welding area, such labor is reduced.
  • the invention described in claim 2 of the present application is the invention according to claim 1, wherein the header pipe has a circular tubular shape, and the connector has a convex portion.
  • the tip is a heat exchanger that is a curved surface that fits around the outer periphery of the header pipe.
  • the header pipe has a tubular shape and the distal end of the convex portion of the connector is a curved surface that fits on the outer periphery of the header pipe, the header pipe The position of the connector can be easily determined by abutting the outer periphery of the connector with the tip of the convex portion of the connector. In addition, since the welding is performed three-dimensionally, the supporting strength of the connector is improved.
  • the invention described in claim 3 of the present application includes a tube for performing heat exchange of a medium, and a header pipe for distributing and collecting the medium, wherein the header pipe has an external flow path for medium distribution.
  • a method of connecting a connector of a heat exchanger including a plurality of connectors to be connected at least one of the plurality of connectors, the tube and the header pipe are assembled, and the assembled body is assembled.
  • This is a method of connecting a heat exchanger having a configuration in which a heat exchanger is heated in a furnace and brazed together, and then another of the plurality of connectors is welded to the header pipe.
  • the heat exchanger connector connecting method of the present invention at least one of the connectors, the tube and the header pipe are assembled, and the assembled body is heated in a furnace. After brazing together, the other of the plurality of connectors is welded to the header pipe, so that the plurality of connectors are efficiently provided.
  • the filler material and the flux may flow around the joint surface of the connector, and the joint surface of the connector may be soiled.
  • some of the plurality of connectors are welded separately from the brazing of the assembled body, so that such inconvenience is appropriately avoided. At least one connector must be brazed in the furnace. Therefore, it is not necessary to weld and braze all of the connectors.
  • the connector according to claim 3 wherein the connector to be welded to the header pipe is formed by screwing or inserting a flow hole through which the medium flows, and a screw component for connecting the external flow path. And a protrusion for welding the tip of the screw part to the outer periphery of the header pipe, and the flow hole has a tubular end for welding to a hole provided in the header pipe.
  • the connector has a communication hole for circulating a medium, a screw component mounting hole, and a convex portion for welding the tip end to the outer periphery of the header pipe.
  • the flow hole has a tubular end, the joint area between the header pipe and the connector can be reduced, and the connector can be efficiently provided.
  • the joint surface of the connector can be maintained so as not to be stained compared with the case of heat treatment in the furnace, but the heat treatment accompanying the welding is performed. Was troublesome.
  • the connector is supported with a small welding area, such labor is reduced.
  • FIG. 2 is an external view showing a header pipe and a connector according to a specific example of the present invention.
  • FIG. 2 is a side sectional view showing a header pipe and a connector according to a specific example of the present invention.
  • a heat exchanger 1 of the present example includes a condenser including a plurality of tubes 2 and 2 for exchanging heat of a medium, and a pair of header pipes 3 and 3 for distributing and collecting the medium.
  • the pair of header pipes 3, 3 are provided with a plurality of connectors 4, 5, 6, respectively, for connecting external flow paths (not shown) for medium distribution.
  • key points of each header pipe 3, 3 include a connector 4 for connecting a medium supply pipe, a connector 5 for connecting a medium discharge pipe, and a receiver tank for temporarily storing coagulated refrigerant.
  • a connector 6 is provided to connect the medium inlet / outlet holes.
  • the tubes 2, 2 are stacked with fins 7, 7 interposed therebetween, and are provided with both ends inserted into the header pipes 3, 3, respectively.
  • side plates 8, 8 that reinforce the structural strength of the heat exchanger 1 are arranged above and below the layer consisting of the tubes 2, 2, and the fins 7, 7.
  • each header pipe 3, 3 caps the upper and lower end openings It is a tubular tube which is closed by 31 and 31 and the inside of which is partitioned by partition plates 32 and 32 at predetermined intervals.
  • the medium supplied to the inside of the heat exchanger 1 from the pipe for supplying the medium via the connector 4 passes through the tubes 2 and 2 while exchanging heat, and passes through each header pipe 3. After reciprocating several times between and, the medium is discharged from the connector 5 to the medium discharge pipe. At this time, the heat exchange of the medium is promoted by the heat radiation effect of the fins 7, 7 interposed between the tubes 2, 2 and the side blades 8, 8.
  • the medium is aggregated between the time it is supplied and the time it is discharged, and is temporarily stored inside the receiver tank.
  • the connector 6, the fins 7, 7 and the side brackets 8, 8 are each made of a metal member of a predetermined shape clad with brazing material as necessary, and are assembled using a jig.
  • the assembled body is heat treated in a furnace to make it integral. Prior to the heat treatment in the furnace, a flux is applied to the assembled body.
  • the connector 6 for connecting the receiver tank is arranged with the joining surface of the receiver tank and the medium entrance / exit hole facing upward. That is, the joining surface is prevented from being stained with the dripping brazing material or the flux.
  • the connector 4 for connecting the pipe for supplying the medium and the connector 5 for connecting the pipe for discharging the medium are, as described above, after the assembled body is heated in the furnace and brazed together.
  • the header pipe 3 is torch-fitted, that is, welded.
  • These connectors 4 and 5 are connectors for connecting the receiver tank. Since the supporting direction is different from that of the connector 6, if the brazing is performed together with the assembled body, the joint surface with the medium supply pipe will be horizontal or downward during the heat treatment, and the joint surface will drip. The risk of contamination by brazing filler metal and flux is relatively high. Therefore, such welding is separately performed to avoid such inconvenience.
  • the connector 4 for connecting the pipe for supplying the medium has a communication hole 41 for passing the medium and a screw part for connecting the external flow path. It has a screw part mounting hole 42 that is fitted or penetrated, and a convex part 43 whose tip is welded to the outer periphery of the header pipe 3.
  • the flow hole 41 has a tubular end 41a that is inserted into the hole 3a provided in the header pipe 3 and welded together. Further, the tip of the convex portion 43 is formed into a curved surface that fits around the outer periphery of the header pipe 3.
  • the projection 43 and the outer periphery of the header pipe 3 and the end 41 a of the flow hole 41 are welded to the hole 3 a of the header pipe 3, less welding is required.
  • the supporting strength of the connector 4 can be sufficiently secured by the area. That is, the welding area between the header pipe 3 and the connector 4 can be reduced, and the connector 4 can be provided efficiently.
  • the support strength of the connector 4 is improved by the three-dimensional welding between the tip of the convex portion 43 of the connector and the outer periphery of the header tube 3.
  • the connector 4 is positioned with respect to the header pipe 3 by inserting the end 41 a of the through-hole 41 into the hole 3 a of the header pipe 3 while the outer periphery of the header pipe 3 and the projection 4 3 of the connector 4 are positioned. This is done by abutting against the tip of
  • the connector is O 00/29794 g having a circulation hole through which the medium flows, a screw part mounting hole into which a screw part for connecting the external flow path is screwed or inserted, and a convex part whose tip is welded to the outer periphery of the header pipe.
  • the flow hole has a tubular end that is welded to the hole provided in the header pipe, the welding area between the header pipe and the connector can be reduced, and the connector can be efficiently provided. It can be.
  • the joint surface of the connector can be maintained so as not to be stained compared with the case of heating in the furnace, but the heat treatment accompanying welding is troublesome. There was an inconvenience of shining.
  • the heat exchanger of this example since the connector is supported with a small welding area, such labor can be reduced.
  • the header pipe has a circular tubular shape
  • the tip of the convex portion of the connector has a curved surface fitted to the outer circumference of the header pipe.
  • the connector can be easily positioned by abutting the tip of the convex portion of the connector, and furthermore, the welding of the connector is performed three-dimensionally, so that the connector can be easily connected.
  • the support strength can be improved.
  • the tube, the header pipe, and at least one of the plurality of connectors are assembled, and the assembled body is heated in a furnace. After brazing together, the other of the plurality of connectors is welded to the header pipe, so that a plurality of connectors can be provided efficiently.
  • the filler material and flux may flow around the joint surface of the connector.
  • the joint surface of the connector may be soiled.
  • some of the plurality of connectors are welded separately from the brazing of the assembled body, so that such inconvenience can be appropriately avoided. it can. Since at least one connector is brazed in the furnace, it is not necessary to weld all of the multiple connectors.
  • the connector to be welded to the header pipe after the assembled body is joined together is provided with a communication hole for passing the medium and a connection hole for the external flow path.
  • a convex part for welding the tip of the screw part to the outer periphery of the header pipe, and the flow hole is a tubular part welded to the hole provided in the header pipe. Since the end portion has no end, the welding area between the header pipe and the connector can be reduced, and the connector can be provided efficiently.
  • the present invention relates to a heat exchanger in which a connector can be efficiently provided and a method of connecting the connector, and the assembling property and the brazing property of the connector are improved, so that the connector can be used under severe conditions.
  • a heat exchanger for an automobile.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Abstract

Echangeur de chaleur comprenant des tubes (2), (2) servant à effectuer l'échange de chaleur d'un milieu, des conduits collecteurs (3), (3) servant à distribuer et à recueillir le milieu de chaleur, et présentant un conduit collecteur pourvu d'un raccord (4) servant à accoupler à l'extérieur des passages d'écoulement pour le passage du milieu, ce raccord (4) possédant un orifice d'écoulement (41) permettant au milieu de passer, un trou (42) de fixation de vis servant à visser ou à recevoir une vis servant à accoupler le passage d'écoulement extérieur et une partie protubérante (43) à souder à son extrémité distale à la circonférence extérieure du conduit collecteur (3), l'orifice d'écoulement (41) comprenant une partie d'extrémité tubulaire (41a) à souder à une partie trou (3a) située dans le conduit collecteur (3). Procédé servant à accoupler un raccord d'échangeur de chaleur et constituant à monter les tubes (2), (2), les conduits collecteurs (3), (3) et d'autres raccords (5), (6), à braser solidaire l'ensemble obtenu et à souder cet ensemble.
PCT/JP1998/005152 1998-11-17 1998-11-17 Echangeur de chaleur equipe d'un connecteur et procede d'accouplement du connecteur a l'echangeur de chaleur WO2000029794A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/005152 WO2000029794A1 (fr) 1998-11-17 1998-11-17 Echangeur de chaleur equipe d'un connecteur et procede d'accouplement du connecteur a l'echangeur de chaleur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/005152 WO2000029794A1 (fr) 1998-11-17 1998-11-17 Echangeur de chaleur equipe d'un connecteur et procede d'accouplement du connecteur a l'echangeur de chaleur

Publications (1)

Publication Number Publication Date
WO2000029794A1 true WO2000029794A1 (fr) 2000-05-25

Family

ID=14209400

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1998/005152 WO2000029794A1 (fr) 1998-11-17 1998-11-17 Echangeur de chaleur equipe d'un connecteur et procede d'accouplement du connecteur a l'echangeur de chaleur

Country Status (1)

Country Link
WO (1) WO2000029794A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101347604B1 (ko) * 2013-06-24 2014-01-03 정영근 열교환기용 헤더파이프와 피팅의 결합구조 및 그 결합방법, 그리고 이를 결합하기 위한 확관기구
JP2015064113A (ja) * 2013-09-24 2015-04-09 日軽熱交株式会社 コネクタ付き熱交換器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0425984U (fr) * 1990-06-22 1992-03-02
JPH05177387A (ja) * 1992-01-09 1993-07-20 Sanden Corp アルミニウム合金の接合方法
JPH077023Y2 (ja) * 1990-03-30 1995-02-22 昭和アルミニウム株式会社 管状体への管継手部材のろう付用治具
JPH0732380U (ja) * 1993-10-29 1995-06-16 株式会社ゼクセル 熱交換器のコネクタ取付け構造
JPH07117354B2 (ja) * 1988-01-13 1995-12-18 日本電装株式会社 熱交換器冷媒継手
JPH09280777A (ja) * 1996-04-12 1997-10-31 Calsonic Corp 熱交換器の配管接続部
JPH10141888A (ja) * 1996-11-13 1998-05-29 Zexel Corp 熱交換器のコネクタ

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07117354B2 (ja) * 1988-01-13 1995-12-18 日本電装株式会社 熱交換器冷媒継手
JPH077023Y2 (ja) * 1990-03-30 1995-02-22 昭和アルミニウム株式会社 管状体への管継手部材のろう付用治具
JPH0425984U (fr) * 1990-06-22 1992-03-02
JPH05177387A (ja) * 1992-01-09 1993-07-20 Sanden Corp アルミニウム合金の接合方法
JPH0732380U (ja) * 1993-10-29 1995-06-16 株式会社ゼクセル 熱交換器のコネクタ取付け構造
JPH09280777A (ja) * 1996-04-12 1997-10-31 Calsonic Corp 熱交換器の配管接続部
JPH10141888A (ja) * 1996-11-13 1998-05-29 Zexel Corp 熱交換器のコネクタ

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101347604B1 (ko) * 2013-06-24 2014-01-03 정영근 열교환기용 헤더파이프와 피팅의 결합구조 및 그 결합방법, 그리고 이를 결합하기 위한 확관기구
JP2015064113A (ja) * 2013-09-24 2015-04-09 日軽熱交株式会社 コネクタ付き熱交換器

Similar Documents

Publication Publication Date Title
US6988539B2 (en) Heat exchanger
AU679783B2 (en) Aluminum heat exchanger
US5632331A (en) Heat exchanger
JP3998880B2 (ja) 熱交換器
US20050279125A1 (en) Integrated condenser/receiver and insert for use therein
WO2003060415A1 (fr) Support de montage pour faisceau de rechauffeur
JP2002011569A (ja) 熱交換器およびその製造方法
EP0787967B1 (fr) Echangeur de chaleur fabriqué par brassage d'un assemblage provisoire et sa méthode de fabrication
US20060118289A1 (en) Heat exchanger comprising a connection flange that is joined to the manifold
WO2000029794A1 (fr) Echangeur de chaleur equipe d'un connecteur et procede d'accouplement du connecteur a l'echangeur de chaleur
WO1999014545A1 (fr) Echangeur de chaleur
KR100895278B1 (ko) 열교환기의 파이프 연결구조
CN209181308U (zh) 微通道换热器
US20070068660A1 (en) Heat exchanging unit for motor vehicles
JP3697006B2 (ja) 熱交換器、及びその製造方法
JPH11142086A (ja) 熱交換器
JPH07305992A (ja) 熱交換器のヘッダタンク
JP3770684B2 (ja) アルミニウム合金製熱交換器
US11904421B2 (en) Method of making a heat exchanger
EP2096399B1 (fr) Échangeur thermique doté de boites a eau modulaires
JPH11351784A (ja) 熱交換器
KR200372101Y1 (ko) 열교환기
KR100647717B1 (ko) 알루미늄제 라디에이터의 헤더 탱크
JPH01291098A (ja) 熱交換器における出入口管の取付装置
JPH0655073U (ja) アルミニウム材製熱交換器

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): JP KR US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase