JP2013122367A - Heat exchanger for vehicle - Google Patents

Heat exchanger for vehicle Download PDF

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JP2013122367A
JP2013122367A JP2012135791A JP2012135791A JP2013122367A JP 2013122367 A JP2013122367 A JP 2013122367A JP 2012135791 A JP2012135791 A JP 2012135791A JP 2012135791 A JP2012135791 A JP 2012135791A JP 2013122367 A JP2013122367 A JP 2013122367A
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heat exchanger
working fluid
coupling
tank
vehicle
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Jae Yeon Kim
載 然 金
Wan Je Cho
完 濟 趙
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Hyundai Motor Co
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Hyundai Motor Co
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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
    • 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
    • F28D1/0308—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 the conduits being formed by paired plates touching each other
    • F28D1/0316—Assemblies of conduits in parallel
    • 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
    • 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
    • F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
    • F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
    • 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
    • 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
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • 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
    • 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
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05333—Assemblies of conduits connected to common headers, e.g. core type radiators with multiple rows of conduits or with multi-channel conduits
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • 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
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0089—Oil coolers
    • 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
    • F28F1/42—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being both outside and inside the tubular element
    • F28F1/424—Means comprising outside portions integral with inside portions
    • F28F1/426—Means comprising outside portions integral with inside portions the outside portions and the inside portions forming parts of complementary shape, e.g. concave and convex

Abstract

PROBLEM TO BE SOLVED: To provide a heat exchanger for vehicle, which improves a flow of a working fluid passing through the inside thereof and the working fluid passing through the outside thereof for improving the efficiency of a heat exchanger.SOLUTION: The heat exchanger for vehicle includes: an inflow tank; a discharge tank; and one or more heat dissipation units which connect the discharge tank and the inflow tank to freely circulate the working fluid. The heat dissipation units include one or more connection pipes which are formed having a shape forming a helix along a longitudinal direction of the heat dissipation units. The working fluid forms a swirl flow and flows in a connection flow passage formed in the connection pipe and is cooled through heat exchange with open air which forms a turbulent flow and passes the outside of the connection pipes.

Description

本発明は、車両用熱交換器に係り、より詳しくは、作動流体と外部を通過する流体との流れを改良して熱交換効率を向上させた車両用熱交換器に関する。   The present invention relates to a vehicle heat exchanger, and more particularly to a vehicle heat exchanger that improves the heat exchange efficiency by improving the flow of a working fluid and a fluid passing outside.

最近の自動車産業は、消費者の、環境問題とエネルギー消費との関連に対する関心の高まりにつれて、燃費改善に関する研究と、車両の軽量化、小型化及び高機能化のための研究開発が続けられている。
熱交換器は、温度が高い流体から伝熱壁を通じて温度が低い流体に熱を伝達するものであって、ラジエータ、加熱器、冷却器、蒸発器、及び凝縮器などに使用される。 The recent automobile industry has continued research on fuel efficiency improvement and research and development for lighter, smaller, and more functional vehicles as consumers' interest in the relationship between environmental issues and energy consumption increases. Yes.
The heat exchanger transfers heat from a fluid having a high temperature to a fluid having a low temperature through a heat transfer wall, and is used for a radiator, a heater, a cooler, an evaporator, a condenser, and the like.

車両用熱交換器は、エンジンルームに設置され、エンジンの熱エネルギーを再利用し、作動流体の温度を用途に合うように調節して車両の空調システムや変速機オイルクーラーなどに適用される。
熱交換器は、エンジンルームに設置されるために空間が限定され、設置空間の確保及び設置の容易さに関する問題が発生することがある。そのために、熱交換器の小型化、軽量化、高効率化、及び高機能化の研究が続けられている。 A vehicle heat exchanger is installed in an engine room, reuses engine heat energy, and adjusts the temperature of a working fluid to suit the application, and is applied to a vehicle air conditioning system, a transmission oil cooler, and the like.
Since the heat exchanger is installed in the engine room, the space is limited, and there may be a problem regarding securing of installation space and ease of installation. For this reason, research has been continued on downsizing, weight reduction, high efficiency, and high functionality of heat exchangers.

最近は、プレートを積層して形成され、冷却水を熱交換媒体として使用する板型熱交換器や、複数のパイプ内周面に細径（ｒｅｄｕｃｅｄ ｄｉａｍｅｔｅｒ）が形成され、作動流体の流れを変化させて乱流を形成するシェルアンドチューブ（Ｓｈｅｌｌ ａｎｄ Ｔｕｂｅ）タイプ熱交換器が開発されている（例えば特許文献１を参照）。   Recently, it has been formed by laminating plates, and plate-type heat exchangers that use cooling water as a heat exchange medium and reduced diameters on the inner peripheral surface of multiple pipes have been formed to change the flow of working fluid A shell and tube type heat exchanger has been developed that forms a turbulent flow (see, for example, Patent Document 1).

しかしながら、板型熱交換器の場合には、高圧及び低圧流体の相互熱交換の時、シェルアンドチューブタイプ熱交換器に比べて内圧が低いため、プレートの厚さを増大させなければならない。プレートの厚さを増大によって作動流体間の熱交換効率が低下し、製作原価の増加、及び全体的な重量及びサイズが増大するという問題点がある。   However, in the case of a plate heat exchanger, the internal pressure is lower than that of the shell-and-tube type heat exchanger in the mutual heat exchange between the high-pressure and low-pressure fluids, so the plate thickness must be increased. Increasing the thickness of the plate reduces the efficiency of heat exchange between the working fluids, increasing production costs and increasing overall weight and size.

また、板型熱交換器に比べて熱交換効率に優れたシェルアンドチューブタイプの熱交換器は、各パイプの内周面に細径を形成しなければならないため、製造工数が増加する。また、パイプの外周面は、スムーズなチューブ状に形成されるので、空気の乱流形成が難しいため、熱交換効率を効率的に上昇させることができないという問題点がある。   In addition, the shell-and-tube type heat exchanger, which is superior in heat exchange efficiency as compared with the plate type heat exchanger, needs to form a small diameter on the inner peripheral surface of each pipe, and thus the number of manufacturing steps increases. Moreover, since the outer peripheral surface of the pipe is formed in a smooth tube shape, it is difficult to form a turbulent air flow, so that there is a problem in that the heat exchange efficiency cannot be increased efficiently.

特開２００２−２９５９２２号公報JP 2002-295922 A

本発明は、かかる問題を解決するためになされたものであって、本発明の目的は、内部を通過する作動流体と、外部を通過する作動流体と、の流れを改良することによって、作動流体の熱交換効率の向上を通じて全体的な冷却性能を向上させた車両用熱交換器を提供することにある。   The present invention has been made to solve such a problem, and an object of the present invention is to improve the flow of the working fluid passing through the inside and the working fluid passing through the outside, thereby improving the working fluid. An object of the present invention is to provide a vehicle heat exchanger having improved overall cooling performance through improvement of heat exchange efficiency.

上記目的を達成するための本発明の車両用熱交換器は、作動流体が流入する流入ホールを備える流入タンクと、流入タンクから離隔した位置に配置され、作動流体を排出する排出ホールを備える排出タンクと、長さ方向に沿って１以上の突出部が形成された１以上のプレートを結合して形成された１以上の結合管を備え、流入タンクと排出タンクとを作動流体を流通自在に連結する１以上の放熱ユニットと、を有し、結合管の内部には、作動流体が流れる連結流路が形成され、連結流路を流れる作動流体は、結合管の外部を流れる他の作動流体との熱交換を通じて冷却されることを特徴とする。   In order to achieve the above object, a vehicle heat exchanger according to the present invention includes an inflow tank having an inflow hole into which a working fluid flows, and an exhaust having a discharge hole that is disposed at a position spaced from the inflow tank and discharges the working fluid. A tank is provided with one or more coupling pipes formed by coupling one or more plates formed with one or more protrusions along the length direction so that the working fluid can freely flow between the inflow tank and the discharge tank. One or more radiating units to be connected, and a coupling flow path through which the working fluid flows is formed inside the coupling pipe, and the working fluid flowing through the coupling flow path is another working fluid that flows outside the coupling pipe. It is cooled through heat exchange with.

また本発明の突出部は、半円形状に形成された外周面と内周面とを有し、複数個が合わされて結合管を形成し、形成された結合管がプレートの長さ方向に沿った螺旋を形成する形状を有し、
本発明の放熱ユニットは、両端部が、流入タンクと排出タンクとにそれぞれ挿入され、放熱ユニットの両端部には突出部が形成されないことを特徴とする。 The protrusion of the present invention has an outer peripheral surface and an inner peripheral surface formed in a semicircular shape, and a plurality of them are combined to form a coupling tube, and the formed coupling tube extends along the length direction of the plate. Having a shape that forms a spiral,
The heat radiating unit of the present invention is characterized in that both end portions are inserted into the inflow tank and the discharge tank, respectively, and no projecting portions are formed at both end portions of the heat radiating unit.

また本発明の結合管は、複数の突出部により形成される円形のパイプであり、結合管の内周面と外周面とが螺旋形状に形成されて連結流路の内部を流れる作動流体に渦流を形成させると共に、連結流路の外部を通過する他の作動流体の乱流形成を誘導することを特徴とする。   Further, the coupling pipe of the present invention is a circular pipe formed by a plurality of protrusions, and the inner peripheral surface and the outer peripheral surface of the coupling pipe are formed in a spiral shape so that a vortex flows to the working fluid flowing inside the connection channel. And the formation of turbulent flow of other working fluid passing through the outside of the connecting flow path.

また本発明の結合管は、一対のプレートを、それぞれの突出部が外側に向かって突出するように重ね合わせ、一対のプレートを結合して形成され、
突出部は、プレス成型によってプレートと一体に形成され、
隣接した放熱ユニットは、幅方向に互いに交差するように配置され、隣接した一つの放熱ユニットの結合管が、隣接した他の一つの放熱ユニットの結合管の間に配置されることを特徴とする。 Further, the coupling pipe of the present invention is formed by overlapping a pair of plates such that each protruding portion protrudes outward, and coupling the pair of plates,
The protrusion is formed integrally with the plate by press molding,
Adjacent heat dissipation units are disposed so as to intersect each other in the width direction, and a coupling pipe of one adjacent heat dissipation unit is disposed between coupling pipes of another adjacent heat dissipation unit. .

また本発明は、１つの放熱ユニットが有する結合管の個数が、流入タンクと排出タンクとの大きさに対応して調節され、
一つの放熱ユニットを構成する結合管が、互いに分離可能に組立てられ、
一つのプレートに複数列の突出部を形成し、そのうちの一列の突出部が他の一列の突出部と結合されて結合管を形成するように一つのプレートを折り畳んで放熱ユニットを形成することを特徴とする。 In the present invention, the number of coupling pipes included in one heat radiating unit is adjusted according to the sizes of the inflow tank and the discharge tank,
The coupling pipes constituting one heat dissipation unit are assembled so as to be separable from each other,
Forming multiple rows of protrusions on one plate, folding one plate to form a heat dissipation unit so that one row of protrusions is combined with the other row of protrusions to form a coupling tube Features.

また本発明のプレートは、結合管の間に形成された１以上の流動ホールを備え、
流入タンクには、放熱ユニットに対応して、流入タンクの長さ方向に沿って１以上の第１挿入ホールが形成され、排出タンクには、放熱ユニットに対応して、流入タンクの長さ方向に沿って１以上の第２挿入ホールが形成されることを特徴とする。 The plate of the present invention comprises one or more flow holes formed between the coupling tubes,
In the inflow tank, one or more first insertion holes are formed along the length direction of the inflow tank corresponding to the heat dissipation unit, and in the discharge tank, the length direction of the inflow tank corresponding to the heat dissipation unit. One or more second insertion holes are formed along the line.

また本発明は、流入タンクが、上端に装着される第１装着キャップ及び下端に装着される第１密閉キャップを更に有し、排出タンクが、上端に装着される第２装着キャップ及び下端に装着される第２密閉キャップを更に有することを特徴とする。   In the present invention, the inflow tank further includes a first mounting cap mounted on the upper end and a first sealing cap mounted on the lower end, and the discharge tank is mounted on the second mounting cap mounted on the upper end and the lower end. And a second sealing cap.

また本発明は、結合管の外部を流れる他の作動流体は、外気であり
連結流路を通過する作動流体の流動方向と結合管の外部を通過する外気の流動方向とは互いに直角であり、
連結流路を通過する作動流体は、冷却水、エンジンオイル、変速機オイル、エアコン冷媒及び車両排気ガスのうちのいずれか一つであることを特徴とする。 In the present invention, the other working fluid that flows outside the coupling pipe is outside air, and the flow direction of the working fluid that passes through the connection flow path and the flow direction of the outside air that passes outside the coupling pipe are perpendicular to each other.
The working fluid that passes through the connection flow path is any one of cooling water, engine oil, transmission oil, air-conditioner refrigerant, and vehicle exhaust gas.

本発明の車両用熱交換器は、内部で流動する作動流体が回転して渦巻流が発生し、外部を通過する作動流体に乱流形成を促進することによって、熱交換効率を向上させることができる。従って、全体的な冷却性能を向上させることができる。
また、本発明の車両用熱交換器は、螺旋形状の突出部が形成された１以上のプレートを結合して連結流路を有する螺旋形状の結合管を形成する。従って、製作原価を節減し、全体重量を下げることができる。 The vehicle heat exchanger of the present invention can improve heat exchange efficiency by rotating the working fluid flowing inside to generate a spiral flow and promoting turbulent flow formation in the working fluid passing outside. it can. Therefore, the overall cooling performance can be improved.
Moreover, the heat exchanger for vehicles of this invention couple | bonds the 1 or more plate in which the helical projection part was formed, and forms the helical coupling pipe which has a connection flow path. Therefore, manufacturing costs can be reduced and the overall weight can be reduced.

また、高圧の作動流体が移動する連結流路の断面形状が円形に形成されるため、従来の板型熱交換器に比べて耐圧性を向上させて全体的な耐久性を向上させることができる。   Further, since the cross-sectional shape of the connecting flow path through which the high-pressure working fluid moves is formed in a circular shape, the pressure resistance can be improved and the overall durability can be improved as compared with the conventional plate heat exchanger. .

本発明の実施例による車両用熱交換器の斜視図である。It is a perspective view of the heat exchanger for vehicles by the example of the present invention. 図１のＡ−Ａ線に沿った断面図である。It is sectional drawing along the AA line of FIG. 図１のＢ−Ｂ線に沿った断面図である。It is sectional drawing along the BB line of FIG. 本発明の車両用熱交換器に適用される放熱ユニットの斜視図である。It is a perspective view of the thermal radiation unit applied to the vehicle heat exchanger of this invention. 本発明の車両用熱交換器に適用される放熱ユニットの分解斜視図である。It is a disassembled perspective view of the thermal radiation unit applied to the heat exchanger for vehicles of this invention. 本発明の車両用熱交換器の作動状態図である。It is an operation state figure of the heat exchanger for vehicles of the present invention. 本発明の車両用熱交換器の作動状態図である。It is an operation state figure of the heat exchanger for vehicles of the present invention.

本発明の車両用熱交換器１００は、内部を通過する作動流体に渦巻流の形成を誘導し、その外部を通過する作動流体には乱流の形成を促進することによって、作動流体間の熱交換効率の向上を通じて全体的な冷却性能を向上させることができる。
以下に、本発明の好ましい実施例を添付図面を参照して詳細に説明する。 The vehicle heat exchanger 100 of the present invention induces the formation of a spiral flow in the working fluid that passes through the interior, and promotes the formation of turbulent flow in the working fluid that passes through the exterior. Overall cooling performance can be improved through improved exchange efficiency.
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

図１は、本発明による車両用熱交換器の斜視図であり、図２は、図１のＡ−Ａ線に沿った断面図であり、図３は、図１のＢ−Ｂ線に沿った断面図である。
図１〜３に示すように、本発明の車両用熱交換器１００は、流入タンク１１０、排出タンク１２０、及び放熱ユニット１３０を含んで構成される。以下に、これらを各構成要素別に詳しく説明する。
流入タンク１１０には流入ホール１１２が形成されており、作動流体が流入ホール１１２を通じて流入タンク１１０の内部に流入される。 1 is a perspective view of a vehicle heat exchanger according to the present invention, FIG. 2 is a cross-sectional view taken along line AA in FIG. 1, and FIG. 3 is taken along line BB in FIG. FIG.
As shown in FIGS. 1 to 3, the vehicle heat exchanger 100 of the present invention includes an inflow tank 110, an exhaust tank 120, and a heat dissipation unit 130. These will be described in detail below for each component.
An inflow hole 112 is formed in the inflow tank 110, and the working fluid flows into the inflow tank 110 through the inflow hole 112.

排出タンク１２０は、流入タンク１１０から一定間隔離隔した位置に配置され、排出タンク１２０には排出ホール１２２が形成されている。排出ホール１２２を通じて熱交換された作動流体が排出タンク１２０から排出される。   The discharge tank 120 is disposed at a position spaced apart from the inflow tank 110 by a certain distance, and a discharge hole 122 is formed in the discharge tank 120. The working fluid heat-exchanged through the discharge hole 122 is discharged from the discharge tank 120.

流入タンク１１０の上端には第１装着キャップ１１４が装着され、流入タンク１１０の下端には第１密閉キャップ１１６が装着される。また、排出タンク１２０の上端には第２装着キャップ１２４が装着され、排出タンク１２０の下端には第２密閉キャップ１２６が装着される。第１装着キャップ１１４には流入ホール１１２が形成され、第２装着キャップ１２４には排出ホール１２２が形成される。   A first mounting cap 114 is mounted on the upper end of the inflow tank 110, and a first sealing cap 116 is mounted on the lower end of the inflow tank 110. A second mounting cap 124 is attached to the upper end of the discharge tank 120, and a second sealing cap 126 is attached to the lower end of the discharge tank 120. An inflow hole 112 is formed in the first mounting cap 114, and a discharge hole 122 is formed in the second mounting cap 124.

装着キャップ１１４と１２４、及び密閉キャップ１１６と１２６は、流入ホール１１２と排出ホール１２２とを除いて、流入タンク１１０と排出タンク１２０との内部に貯蔵される作動流体が外部に漏れるのを防止するために、各タンク１１０、１２０の気密を維持するように形成される。   The mounting caps 114 and 124 and the sealing caps 116 and 126 prevent the working fluid stored in the inflow tank 110 and the exhaust tank 120 from leaking outside, except for the inflow hole 112 and the exhaust hole 122. Therefore, the tanks 110 and 120 are formed so as to maintain airtightness.

図４は本発明の車両用熱交換器に適用される放熱ユニットの斜視図であり、図５は、その分解斜視図である。
図４、５に示すように、放熱ユニット１３０は、１以上の突出部１３４が長さ方向に沿って形成されたプレート１３２を結合して形成された複数の結合管１３８を有する。
結合管１３８の内部には、作動流体が、流入タンク１１０から排出タンク１２０へ流れことができるように連結流路１３６が形成される。従って、流入ホール１１２を通じて流入タンク１１０に流入された作動流体は、連結流路１３６を通じて排出タンク１２０へ移動し、排出ホール１２２を通じて排出タンク１２０から排出される。 FIG. 4 is a perspective view of a heat dissipation unit applied to the vehicle heat exchanger of the present invention, and FIG. 5 is an exploded perspective view thereof.
As shown in FIGS. 4 and 5, the heat radiating unit 130 has a plurality of coupling tubes 138 formed by coupling plates 132 having one or more protrusions 134 formed along the length direction.
A connection channel 136 is formed in the coupling pipe 138 so that the working fluid can flow from the inflow tank 110 to the discharge tank 120. Accordingly, the working fluid that has flowed into the inflow tank 110 through the inflow hole 112 moves to the discharge tank 120 through the connection channel 136 and is discharged from the discharge tank 120 through the discharge hole 122.

流入タンク１１０と排出タンク１２０との間には、複数の放熱ユニット１３０が平行に配置されている。連結流路１３６を通過する作動流体は、結合管１３８の外部を通過する他の作動流体との熱交換によって冷却される。
熱交換器１００は、熱交換媒体として外気を利用する空冷式熱交換器であることが好ましい。即ち、流入タンク１１０に流入された作動流体が、結合管１３８の連結流路１３６を通過する時に、作動流体は、結合管１３８の外部の外気により冷却される。 A plurality of heat radiation units 130 are arranged in parallel between the inflow tank 110 and the discharge tank 120. The working fluid that passes through the connection channel 136 is cooled by heat exchange with other working fluid that passes outside the coupling pipe 138.
The heat exchanger 100 is preferably an air-cooled heat exchanger that uses outside air as a heat exchange medium. That is, when the working fluid that has flowed into the inflow tank 110 passes through the connection flow path 136 of the coupling pipe 138, the working fluid is cooled by outside air outside the coupling pipe 138.

ここで、連結流路１３６内部を通過する作動流体の流動方向と、結合管１３８の外部を通過する外気の流動方向と、は互いに直交する。即ち、作動流体と外気は、互いに直角方向に移動しながら熱交換する。
熱交換器１００は、作動流体と外気がそれぞれ異なる方向に流動しながら熱交換するため、より効率的な熱交換が可能になる。 Here, the flow direction of the working fluid passing through the inside of the connection channel 136 and the flow direction of the outside air passing through the outside of the coupling pipe 138 are orthogonal to each other. That is, the working fluid and the outside air exchange heat while moving in a direction perpendicular to each other.
Since the heat exchanger 100 exchanges heat while the working fluid and the outside air flow in different directions, more efficient heat exchange is possible.

図２に示すように、流入タンク１１０の内側面には、放熱ユニット１３０に対応して、流入タンク１１０の長さ方向に沿って複数の第１挿入ホール１１８が形成される。第１挿入ホール１１８には放熱ユニット１３０の一端が挿入される。第１挿入ホール１１８は等間隔に形成されてもよい。   As shown in FIG. 2, a plurality of first insertion holes 118 are formed along the length direction of the inflow tank 110 on the inner side surface of the inflow tank 110 corresponding to the heat radiating unit 130. One end of the heat dissipation unit 130 is inserted into the first insertion hole 118. The first insertion holes 118 may be formed at equal intervals.

また、排出タンク１２０の内側面には、放熱ユニット１３０に対応して、排出タンク１２０長さ方向に沿って複数の第２挿入ホール１２８が形成される。第２挿入ホール１２８には放熱ユニット１３０の他端が挿入される。第２挿入ホール１２８は等間隔に形成されてもよい。   A plurality of second insertion holes 128 are formed on the inner side surface of the discharge tank 120 along the length direction of the discharge tank 120 corresponding to the heat radiating unit 130. The other end of the heat dissipation unit 130 is inserted into the second insertion hole 128. The second insertion holes 128 may be formed at equal intervals.

即ち、放熱ユニット１３０は、両端部それぞれが、第１挿入ホール１１８と第２挿入ホール１２８とに挿入されて流入タンク１１０と排出タンク１２０とに装着され、流入タンク１１０と排出タンク１２０とを連結する。   That is, both ends of the heat radiating unit 130 are inserted into the first insertion hole 118 and the second insertion hole 128 and attached to the inflow tank 110 and the discharge tank 120, and the inflow tank 110 and the discharge tank 120 are connected to each other. To do.

図３に示すように、隣接した放熱ユニット１３０は、結合管１３８が幅方向に重なり合わないように、幅方向に交互に交差するように配置される。即ち、隣接した放熱ユニッ１３０は、一つの放熱ユニット１３０の結合管１３８が、隣接した他の一つの放熱ユニット１３０の結合管１３８の間に配置される。
これによって、複数の放熱ユニット１３０は複層に配置され、外気と結合管１３８の外周との間の接触面積が増大する。 As shown in FIG. 3, the adjacent heat dissipation units 130 are arranged so as to alternately intersect in the width direction so that the coupling pipes 138 do not overlap in the width direction. That is, in the adjacent heat radiating unit 130, the coupling pipe 138 of one heat radiating unit 130 is disposed between the coupling pipes 138 of the other adjacent one of the heat radiating units 130.
Accordingly, the plurality of heat dissipation units 130 are arranged in multiple layers, and the contact area between the outside air and the outer periphery of the coupling pipe 138 increases.

図４、５に示すように、突出部１３４はその外周面と内周面とが半円形状に形成される。複数の突出部１３４は合わされて前記結合管を形成し、形成された前記結合管がプレート１３２の長さ方向に沿って螺旋を形成する形状に配置される。
ここで、放熱ユニット１３０の両端部には、突出部１３４が形成されない。放熱ユニット１３０の両端部は、流入タンク１１０に形成される第１挿入ホール１１８と排出タンク１２０に形成される第２挿入ホール１２８とに挿入されるため、放熱ユニット１３０の両端部と第１、第２挿入ホール１１８、１２８との間を密閉させるために放熱ユニット１３０の両端部には直線区間が形成される。または、放熱ユニット１３０の両端部に形成された突出部は螺旋を形成せずに、スムーズなチューブ状に形成される。 As shown in FIGS. 4 and 5, the protrusion 134 has an outer peripheral surface and an inner peripheral surface formed in a semicircular shape. The plurality of protrusions 134 are combined to form the coupling tube, and the formed coupling tube is arranged in a shape that forms a spiral along the length direction of the plate 132.
Here, the protrusions 134 are not formed at both ends of the heat dissipation unit 130. Since both end portions of the heat radiating unit 130 are inserted into the first insertion hole 118 formed in the inflow tank 110 and the second insertion hole 128 formed in the discharge tank 120, both end portions of the heat radiating unit 130 and the first, In order to seal the space between the second insertion holes 118 and 128, straight sections are formed at both ends of the heat dissipation unit 130. Or the protrusion part formed in the both ends of the thermal radiation unit 130 does not form a spiral, but is formed in the smooth tube shape.

突出部１３４は、プレス成型を通じてプレート１３２と一体に加工される。
本実施例において、結合管１３８は、複数の突出部１３４により形成された円形のパイプであり、結合管１３８の内周面と外周面とは螺旋形状に形成される。
作動流体が結合管１３８の内部の連結流路１３６を流れる時、結合管１３８は作動流体が回転するようにして渦巻流を誘導する。 The protrusion 134 is processed integrally with the plate 132 through press molding.
In the present embodiment, the coupling pipe 138 is a circular pipe formed by a plurality of protrusions 134, and the inner circumferential surface and the outer circumferential surface of the coupling pipe 138 are formed in a spiral shape.
When the working fluid flows through the connection channel 136 inside the coupling pipe 138, the coupling pipe 138 induces a spiral flow as the working fluid rotates.

また、結合管１３８は、外部を通過する外気に乱流の形成を誘導することによって、作動流体と外気との熱交換効率を向上させる。
結合管１３８は、一対のプレート１３２の突出部１３４が外側に向かって突出するように配置された状態で、突出部１３４が管を形成するように結合することによって形成することができる。 Further, the coupling pipe 138 improves the heat exchange efficiency between the working fluid and the outside air by inducing the formation of turbulent flow in the outside air passing through the outside.
The coupling tube 138 can be formed by coupling the projecting portions 134 so as to form a tube in a state where the projecting portions 134 of the pair of plates 132 are disposed so as to project outward.

即ち、一対のプレート１３２に形成される突出部１３４それぞれの内側面が互いに向き合うように一対のプレート１３２を配置させた状態で、一対のプレート１３２を結合することによって、その内部に連結流路１３６を有する結合管１３８が形成される。
ここで、一対のプレート１３２は、溶接などによって結合することができる。
放熱ユニット１３０に含まれる結合管１３８の個数は、流入タンク１１０と排出タンク１２０の大きさに応じて調節することができる。また、一つの放熱ユニット１３０を構成する結合管１３８は分離可能に組立てられる。 That is, by connecting the pair of plates 132 in a state where the pair of plates 132 are arranged so that the inner surfaces of the protrusions 134 formed on the pair of plates 132 face each other, the connection flow path 136 is formed inside the pair of plates 132. A coupling tube 138 is formed.
Here, the pair of plates 132 can be coupled by welding or the like.
The number of coupling pipes 138 included in the heat dissipation unit 130 can be adjusted according to the sizes of the inflow tank 110 and the exhaust tank 120. Moreover, the coupling pipe 138 which comprises the one thermal radiation unit 130 is assembled so that isolation | separation is possible.

本実施例では、図３に示すように、一つの放熱ユニット１３０が二つの結合管１３８を含んでいるが、本発明はこれに限定されない。即ち、流入タンク１１０と排出タンク１２０の大きさに応じて、一つの放熱ユニット１３０を構成する結合管１３８の個数を調節することができる。また、結合管１３８の個数に応じて複数の結合管１３８を含む放熱ユニット１３０で所望の個数の結合管１３８を分離して使用することができる。   In the present embodiment, as shown in FIG. 3, one heat radiating unit 130 includes two coupling pipes 138, but the present invention is not limited to this. That is, according to the size of the inflow tank 110 and the discharge tank 120, the number of coupling pipes 138 constituting one heat radiating unit 130 can be adjusted. Further, a desired number of coupling tubes 138 can be separated and used by the heat dissipation unit 130 including a plurality of coupling tubes 138 according to the number of coupling tubes 138.

プレート１３２には結合管１３８の間に少なくとも一つ以上の流動ホール１３９が形成される。流動ホール１３９は、プレート１３２の長さ方向に沿って形成される。
流動ホール１３９は、プレート１３２で突出部１３４のプレス成型を行った後、パンチング工程を通じて形成することができる。 In the plate 132, at least one flow hole 139 is formed between the coupling pipes 138. The flow hole 139 is formed along the length direction of the plate 132.
The flow hole 139 can be formed through a punching process after the protrusion 134 is press-molded by the plate 132.

流動ホール１３９は、放熱ユニット１３０の外部を流れる外気を、放熱ユニット１３０の上側又は下側に移動可能にすることによって、結合管１３８の外周面で外気の流れを均一にすることができる。従って、作動流体と外気との熱交換効率をより増大させることができる。   The flow hole 139 allows the outside air flowing outside the heat radiating unit 130 to move to the upper side or the lower side of the heat radiating unit 130, thereby making the flow of the outside air uniform on the outer peripheral surface of the coupling pipe 138. Therefore, the heat exchange efficiency between the working fluid and the outside air can be further increased.

本実施例において、放熱ユニット１３０は、二つのプレート１３２が結合される例を説明したが、本発明はこれに限定されない。例えば一つのプレート１３２に複数の列の突出部１３４を形成し、プレート１３２を折り畳んで、一列の突出部１３４が他列の突出部と共に結合管１３８を形成するようにすることができる。   In the present embodiment, the heat radiating unit 130 has been described as an example in which two plates 132 are coupled, but the present invention is not limited to this. For example, a plurality of rows of protrusions 134 may be formed on one plate 132 and the plate 132 may be folded so that one row of protrusions 134 forms a coupling tube 138 with the other rows of protrusions.

次に、上記のように構成された本発明の実施例による車両用熱交換器１００の作動及び作用を詳しく説明する。
図６、７は、本発明の車両用熱交換器の作動状態図である。
図６に示すように、流入ホール１１２から流入タンク１１０の内部に流入した作動流体は、多層に構成された放熱ユニット１３０の、結合管１３８の内部の連結流路１３６に沿って排出タンク１２０へ流れる。 Next, the operation and action of the vehicle heat exchanger 100 configured as described above according to the embodiment of the present invention will be described in detail.
6 and 7 are operation state diagrams of the vehicle heat exchanger of the present invention.
As shown in FIG. 6, the working fluid that has flowed into the inflow tank 110 from the inflow hole 112 flows to the discharge tank 120 along the connection flow path 136 inside the coupling pipe 138 of the heat dissipating unit 130 configured in multiple layers. Flowing.

この時、結合管１３８が螺旋形に形成されているために、連結流路１３６の内部で流動する作動流体を旋回させて渦巻流を発生させる。
ここで、外気は、図７に示したように、放熱ユニット１３０の外部で流動する。この時、突出部１３４が螺旋形状に形成されているために外気の乱流形成が促進される。
同時に、外気は流動ホール１３９を通じて多層に構成された放熱ユニット１３０の上部と下部とに均一に分散されて流れ、作動流体との相互熱交換が効率的に行われる。 At this time, since the coupling pipe 138 is formed in a spiral shape, the working fluid flowing inside the connection flow path 136 is swirled to generate a spiral flow.
Here, the outside air flows outside the heat radiating unit 130 as shown in FIG. At this time, since the protrusions 134 are formed in a spiral shape, the formation of turbulent flow of outside air is promoted.
At the same time, the outside air flows uniformly through the flow hole 139 in the upper and lower portions of the heat dissipating unit 130 formed in multiple layers, and exchanges heat with the working fluid efficiently.

一方、本発明の実施例による車両用熱交換器は、熱交換器１００の内部に流入される作動流体が、冷却水、エンジンオイル、変速機オイル、エアコン冷媒、及び車両排気ガスなどである。また、本発明の実施例による熱交換器１００は、車両を含む多様な分野への適用が可能である。   On the other hand, in the vehicle heat exchanger according to the embodiment of the present invention, the working fluid flowing into the heat exchanger 100 is coolant, engine oil, transmission oil, air conditioner refrigerant, vehicle exhaust gas, and the like. In addition, the heat exchanger 100 according to the embodiment of the present invention can be applied to various fields including vehicles.

本発明の実施例による車両用熱交換器１００は、内部で流動する作動流体が回転して渦巻流が発生し、外部を過ぎる作動流体に乱流形成を促進することによって、熱交換効率を向上させることができる。従って、全体的な冷却性能を向上させることができる。
また、本発明の車両用熱交換器１００は、螺旋形状の突出部１３４が形成された少なくとも一つ以上のプレート１３２を結合して連結流路１３６を有する螺旋形状の結合管１３８を形成する。従って、製作原価を節減し、全体重量を下げることができる。 In the heat exchanger 100 for a vehicle according to the embodiment of the present invention, the working fluid flowing inside rotates to generate a swirl flow, and improves the heat exchange efficiency by promoting the formation of turbulent flow in the working fluid passing outside. Can be made. Therefore, the overall cooling performance can be improved.
In addition, the vehicle heat exchanger 100 of the present invention forms a spiral coupling tube 138 having a connection channel 136 by coupling at least one plate 132 having a spiral projection 134 formed thereon. Therefore, manufacturing costs can be reduced and the overall weight can be reduced.

また、高圧の作動流体が移動する連結流路１３６の断面形状が円形に形成されるため、従来の板型熱交換器に比べて耐圧性を向上させて全体的な耐久性を向上させることができる。
以上、本発明に関する好ましい実施形態を説明したが、本発明は前記実施形態に限定されず、本発明の属する技術範囲を逸脱しない範囲での全ての変更が含まれる。 Further, since the cross-sectional shape of the connection channel 136 through which the high-pressure working fluid moves is formed in a circular shape, it is possible to improve the pressure resistance and improve the overall durability as compared with the conventional plate heat exchanger. it can.
As mentioned above, although preferred embodiment regarding this invention was described, this invention is not limited to the said embodiment, All the changes in the range which does not deviate from the technical scope to which this invention belongs are included.

１００ 車両用熱交換器
１１０ 流入タンク
１１２ 流入ホール
１１４ 第１装着キャップ
１１６ 第１密閉キャップ
１１８ 第１挿入ホール
１２０ 排出タンク
１２２ 排出ホール
１２４ 第２装着キャップ
１２６ 第２密閉キャップ
１２８ 第２挿入ホール
１３０ 放熱ユニット
１３２ プレート
１３４ 突出部
１３６ 連結流路
１３８ 結合管
１３９ 流動ホール DESCRIPTION OF SYMBOLS 100 Vehicle heat exchanger 110 Inflow tank 112 Inflow hole 114 1st mounting cap 116 1st sealing cap 118 1st insertion hole 120 Discharge tank 122 Discharge hole 124 2nd mounting cap 126 2nd sealing cap 128 2nd insertion hole 130 Heat radiation Unit 132 Plate 134 Projection 136 Connection flow path 138 Coupling tube 139 Flow hole

Claims (17)

作動流体が流入する流入ホールを備える流入タンクと、
前記流入タンクから離隔した位置に配置され、前記作動流体を排出する排出ホールを備える排出タンクと、
長さ方向に沿って１以上の突出部が形成された１以上のプレートを結合して形成された１以上の結合管を備え、前記流入タンクと前記排出タンクとを前記作動流体を流通自在に連結する１以上の放熱ユニットと、
を有し、
前記結合管の内部には、前記作動流体が流れる連結流路が形成され、前記連結流路を流れる前記作動流体は、前記結合管の外部を流れる他の作動流体との熱交換を通じて冷却されることを特徴とする車両用熱交換器。 An inflow tank with an inflow hole into which the working fluid flows;
A discharge tank disposed at a position spaced apart from the inflow tank and having a discharge hole for discharging the working fluid;
One or more coupling pipes formed by coupling one or more plates formed with one or more protrusions along the length direction are provided, and the working fluid can flow freely through the inflow tank and the discharge tank. One or more heat dissipation units to be connected;
Have
A connection flow path through which the working fluid flows is formed in the coupling pipe, and the working fluid flowing through the connection flow path is cooled through heat exchange with another working fluid flowing outside the coupling pipe. A vehicle heat exchanger. 前記突出部は、半円形状に形成された外周面と内周面とを有し、複数個が合わされて前記結合管を形成し、形成された前記結合管が前記プレートの長さ方向に沿った螺旋を形成する形状を有することを特徴とする請求項１に記載の車両用熱交換器。   The projecting portion has an outer peripheral surface and an inner peripheral surface formed in a semicircular shape, and a plurality of the combined portions form the coupling pipe, and the formed coupling pipe extends along the length direction of the plate. The vehicle heat exchanger according to claim 1, wherein the vehicle heat exchanger has a shape that forms a spiral. 前記放熱ユニットの両端部は、前記流入タンクと前記排出タンクとにそれぞれ挿入され、前記放熱ユニットの両端部には前記突出部が形成されないことを特徴とする請求項２に記載の車両用熱交換器。   The vehicle heat exchange according to claim 2, wherein both end portions of the heat radiating unit are inserted into the inflow tank and the discharge tank, respectively, and the protruding portions are not formed at both end portions of the heat radiating unit. vessel. 前記結合管は、複数の前記突出部により形成される円形のパイプであり、前記結合管の内周面と外周面とが螺旋形状に形成されて前記連結流路の内部を流れる前記作動流体に渦流を形成させると共に、前記連結流路の外部を通過する前記他の作動流体の乱流形成を誘導することを特徴とする請求項１に記載の車両用熱交換器。   The coupling pipe is a circular pipe formed by a plurality of the projecting portions, and the working fluid that flows in the connection flow path is formed in an inner circumferential surface and an outer circumferential surface of the coupling pipe in a spiral shape. 2. The vehicle heat exchanger according to claim 1, wherein a vortex flow is formed and turbulent flow formation of the other working fluid passing through the outside of the connection flow path is induced. 前記結合管は、一対の前記プレートを、それぞれの前記突出部が外側に向かって突出するように重ね合わせ、前記一対のプレートを結合して形成されたことを特徴とする請求項１に記載の車両用熱交換器。   2. The coupling pipe according to claim 1, wherein the coupling pipe is formed by superposing a pair of the plates so that each of the projecting portions projects outward, and coupling the pair of plates. Vehicle heat exchanger. 前記突出部は、プレス成型によって前記プレートと一体に形成されたことを特徴とする請求項１に記載の車両用熱交換器。   The vehicle heat exchanger according to claim 1, wherein the protrusion is formed integrally with the plate by press molding. 隣接した前記放熱ユニットは、幅方向に互いに交差するように配置され、隣接した一つの放熱ユニットの結合管が隣接した他の一つの放熱ユニットの結合管の間に配置されることを特徴とする請求項１に記載の車両用熱交換器。   The adjacent heat radiating units are arranged so as to cross each other in the width direction, and a coupling pipe of one adjacent heat radiating unit is arranged between coupling pipes of another adjacent heat radiating unit. The vehicle heat exchanger according to claim 1. １つの前記放熱ユニットが有する前記結合管の個数は、前記流入タンクと前記排出タンクとの大きさに対応して調節されることを特徴とする請求項１に記載の車両用熱交換器。   2. The vehicle heat exchanger according to claim 1, wherein the number of the coupling pipes included in one of the heat dissipating units is adjusted according to the sizes of the inflow tank and the discharge tank. 一つの前記放熱ユニットを構成する結合管は、互いに分離可能に組立てられることを特徴とする請求項１に記載の車両用熱交換器。   The vehicle heat exchanger according to claim 1, wherein the coupling pipes constituting one of the heat radiating units are assembled so as to be separable from each other. 一つのプレートに複数列の前記突出部を形成し、そのうちの一列の突出部が他の一列の突出部と結合されて前記結合管を形成するように前記一つのプレートを折り畳んで前記放熱ユニットを形成することを特徴とする請求項１に記載の車両用熱交換器。   A plurality of rows of the protrusions are formed on one plate, and the heat dissipation unit is folded by folding the one plate so that one row of the protrusions is coupled to another row of protrusions to form the coupling pipe. The vehicular heat exchanger according to claim 1, wherein the vehicular heat exchanger is formed. 前記プレートは、前記結合管の間に形成された１以上の流動ホールを備えることを特徴とする請求項１に記載の車両用熱交換器。   The vehicle heat exchanger according to claim 1, wherein the plate includes one or more flow holes formed between the coupling pipes. 前記流入タンクには、前記放熱ユニットに対応して、前記流入タンクの長さ方向に沿って１以上の第１挿入ホールが形成されることを特徴とする請求項１に記載の車両用熱交換器。   2. The vehicle heat exchange according to claim 1, wherein the inflow tank has one or more first insertion holes corresponding to the heat radiating unit along a length direction of the inflow tank. vessel. 前記排出タンクには、前記放熱ユニットに対応して、前記流入タンクの長さ方向に沿って１以上の第２挿入ホールが形成されることを特徴とする請求項１に記載の車両用熱交換器。   2. The vehicle heat exchange according to claim 1, wherein at least one second insertion hole is formed in the discharge tank along the length direction of the inflow tank corresponding to the heat radiating unit. vessel. 前記流入タンクは、上端に装着される第１装着キャップ及び下端に装着される第１密閉キャップを更に有し、前記排出タンクは、上端に装着される第２装着キャップ及び下端に装着される第２密閉キャップを更に有することを特徴とする請求項１に記載の車両用熱交換器。   The inflow tank further includes a first mounting cap mounted on an upper end and a first sealing cap mounted on a lower end, and the discharge tank is mounted on a second mounting cap and a lower end mounted on the upper end. The vehicle heat exchanger according to claim 1, further comprising two sealing caps. 前記結合管の外部を流れる前記他の作動流体は、外気であることを特徴とする請求項１に記載の車両用熱交換器。   The vehicle heat exchanger according to claim 1, wherein the other working fluid that flows outside the coupling pipe is outside air. 前記連結流路を通過する前記作動流体の移動方向と前記結合管の外部を通過する外気の移動方向とは互いに直角であることを特徴とする請求項１５に記載の車両用熱交換器。   The vehicle heat exchanger according to claim 15, wherein a moving direction of the working fluid passing through the connection channel and a moving direction of outside air passing through the outside of the coupling pipe are perpendicular to each other. 前記連結流路を通過する作動流体は、冷却水、エンジンオイル、変速機オイル、エアコン冷媒及び車両排気ガスのうちのいずれか一つであることを特徴とする請求項１に記載の車両用熱交換器。   2. The vehicle heat according to claim 1, wherein the working fluid passing through the connection flow path is any one of cooling water, engine oil, transmission oil, air-conditioner refrigerant, and vehicle exhaust gas. Exchanger.
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