KR20130064936A - Heat exchanger for vehicle - Google Patents

Heat exchanger for vehicle Download PDF

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Publication number
KR20130064936A
KR20130064936A KR20110131564A KR20110131564A KR20130064936A KR 20130064936 A KR20130064936 A KR 20130064936A KR 20110131564 A KR20110131564 A KR 20110131564A KR 20110131564 A KR20110131564 A KR 20110131564A KR 20130064936 A KR20130064936 A KR 20130064936A
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KR
South Korea
Prior art keywords
working fluid
heat
heat exchanger
dissipation unit
vehicle
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KR20110131564A
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Korean (ko)
Inventor
김재연
조완제
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현대자동차주식회사
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Priority to KR20110131564A priority Critical patent/KR20130064936A/en
Priority to JP2012141014A priority patent/JP2013122369A/en
Priority to US13/530,978 priority patent/US20130146255A1/en
Priority to DE201210105523 priority patent/DE102012105523A1/en
Priority to CN2012102257285A priority patent/CN103162560A/en
Publication of KR20130064936A publication Critical patent/KR20130064936A/en

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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
    • 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
    • F28D15/0233—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 the conduits having a particular shape, e.g. non-circular cross-section, annular
    • 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
    • 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
    • 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
    • F28D1/047—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 bent, e.g. in a serpentine or zig-zag
    • 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
    • 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
    • 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
    • F28D15/0266—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 with separate evaporating and condensing chambers connected by at least one conduit; Loop-type heat pipes; with multiple or common evaporating or condensing chambers
    • 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
    • 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
    • F28F1/105—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being corrugated elements extending around the tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/14—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally
    • F28F1/16—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion
    • F28F1/18—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending longitudinally the means being integral with the element, e.g. formed by extrusion the element being built-up from finned sections
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
    • H01M8/04059—Evaporative processes for the cooling of a fuel cell
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20936—Liquid coolant with phase change
    • 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
    • F28D15/04—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 with tubes having a capillary structure
    • 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
    • F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
    • 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
    • F28D2021/0043—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for fuel cells
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
    • H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells

Abstract

PURPOSE: A heat exchanger for a vehicle is provided to use the principle of evaporation type heat exchange where working fluid is easily evaporated as the boiling point is lowered at low pressure and working fluid of one side flows to the other side by a pressure difference caused by volume expansion and capillary phenomenon. CONSTITUTION: A heat exchanger for a vehicle comprises a heat absorption unit(110) and one or more radiation units(120). The heat absorption unit stores working fluid and evaporates the working fluid by heat transferred from a heating element, thereby phase-changing the working fluid into gas. The radiation units are connected to the heat absorption units on one end thereof and comprise one or more coupled pipes(128) with connection paths for allowing the flow of the phase-changed working fluid delivered from the heat absorption unit, wherein the coupling pipes are formed by coupling plates(122) with one or more protrusions(124) formed in the longitudinal direction. The radiation units cool and condense working fluid, which passes through the connection paths, through heat exchange with working fluid flowing outside the coupled pipes. [Reference numerals] (102) Heating element; (AA) Heat

Description

차량용 열교환기{HEAT EXCHANGER FOR VEHICLE}{HEAT EXCHANGER FOR VEHICLE}

본 발명은 차량용 열교환기에 관한 것으로서, 보다 상세하게는 증발식 열교환 원리를 이용하며, 내부에서 유동되는 작동유체의 방열효과를 향상시키도록 하는 차량용 열교환기에 관한 것이다.The present invention relates to a vehicle heat exchanger, and more particularly, to a vehicle heat exchanger using the evaporative heat exchange principle, to improve the heat radiation effect of the working fluid flowing therein.

일반적으로 내부에서 작동유체의 증발 잠열을 이용하여 작은 온도차에서도 무동력으로 열을 효과적으로 이송하는 열교환장치로 히트파이프(HEAT PIPE)가 사용되고 있다. In general, a heat pipe is used as a heat exchanger that effectively transfers heat at a low temperature by using latent heat of evaporation of a working fluid.

이러한 히트파이프는 밀폐된 용기의 내부에 작동 유체를 주입한 후 진공 배기하여 구성된 것으로서, 한쪽 끝을 가열하면 내부에 저장된 작동유체가 기화되어 양단에 압력 차이가 발생되고, 이러한 압력 차이에 따라 작동 유체가 이동하여 주변으로 열을 방출하고, 열이 방출된 작동 유체는 응축의 과정을 거쳐 냉각된 후 가열부 쪽으로 귀환한다. The heat pipe is configured by injecting a working fluid into a sealed container and evacuating it, and when one end is heated, a working fluid stored therein is vaporized to generate a pressure difference at both ends. Is moved to release heat to the surroundings, and the released working fluid is cooled through the process of condensation and then returned to the heating part.

이러한 히트 파이프는 진공의 파이프 본체의 내부에 작동 유체를 저장하여 구성되며, 일측은 증발기의 역할을 하는 증발부가 형성되고, 타측은 응축기의 역할을 하는 응축부가 형성되어 있다. 또한 이러한 히트 파이프는 내벽의 습윤 상태를 유지하기 위한 수단으로 윅(WICK)이 설치된 것과 윅이 설치되지 않은 것이 있으며, 이 윅은 모세관 형상의 구조물로서 그루브(GROOVE) 형태, 매쉬(MESH), 신터(SINTER) 형태가 있다. The heat pipe is configured by storing the working fluid inside the pipe body of the vacuum, one side is formed with an evaporator to serve as an evaporator, the other side is formed with a condenser to serve as a condenser. In addition, these heat pipes have a wick installed and a wick not installed as a means for maintaining the wet state of the inner wall. The wick is a capillary structure, which is a groove (GROOVE) type, a mesh (MESH) and a sinter. There is a (SINTER) form.

이러한 히트 파이프는 흔히 단일관 구조로 이루어지며, 파이프의 벽면에 상술한 윅이 형성된 상태에서 내부 공간으로는 증발된 작동유체의 이송 통로를 형성하게 된다.Such heat pipes often have a single tube structure, and form a transfer passage for the working fluid evaporated into the inner space in the state where the wick is formed on the wall of the pipe.

이러한 히트 파이프는 발열량이 많은 발열체를 냉각시키는 열교환기로서 적용되고 있다.Such a heat pipe is applied as a heat exchanger for cooling a heating element having a large amount of heat generation.

그러나 종래의 히트 파이프는 내부에 형성되는 윅을 가공하기가 어렵고, 가공에 따른 비용이 증가되며, 외주면이 매끄러운 튜브 형태로 가공됨에 따라 외부를 지나는 작동유체의 흐름변경 유도가 어려워 난류형성이 이루어지지 않아 제작비용에 비해 열교환의 효율 면에서 한계가 있어 열교환 효율을 효율적으로 상승시키지 못하는 문제점이 있다.However, the conventional heat pipe is difficult to process the wick formed inside, the cost of processing increases, and as the outer peripheral surface is processed in the form of a smooth tube, it is difficult to induce the flow change of the working fluid passing through the outside turbulence formation As a result, there is a limit in terms of the efficiency of heat exchanger compared to the manufacturing cost, and thus there is a problem in that the heat exchanger efficiency cannot be efficiently increased.

따라서, 본 발명은 상기한 바와 같은 문제점을 해결하기 위하여 발명된 것으로, 본 발명이 해결하고자 하는 과제는 저압에서 끓는점이 낮아져 쉽게 증발되고 부피 팽창에 의한 압력차이와 모세관 현상에 의해 일측의 작동 유체가 다른 일측으로 이동하면서 열교환을 수행하는 증발식 열교환 원리를 이용하며, 내부에서 유동되는 작동유체의 방열효과를 향상시키도록 하는 차량용 열교환기를 제공하는 것이다.Therefore, the present invention has been invented to solve the problems described above, the problem to be solved by the present invention is that the boiling point at low pressure is easily evaporated and the working fluid of one side by the pressure difference and capillary phenomenon due to volume expansion By using the evaporative heat exchange principle to perform heat exchange while moving to the other side, to provide a vehicle heat exchanger to improve the heat radiation effect of the working fluid flowing therein.

이러한 목적을 달성하기 위한 본 발명의 실시예에 따른 차량용 열교환기는 내부에 작동유체가 저장되며, 발열체로부터 열을 전달받아 작동유체를 증발시켜 기체상태로 상변화시키는 흡열부; 및 길이방향을 따라 적어도 하나 이상의 돌출부가 형성된 플레이트를 결합해 상기 흡열부로부터 상변화를 통해 이동되는 작동유체가 내부에서 이동하도록 연결유로를 갖는 적어도 하나 이상의 결합관을 형성하고, 상기 결합관의 외부에서 유동되는 작동유체와의 상호 열교환을 통해 상기 연결유로를 통과하는 작동유체를 냉각 및 응축시키며, 상기 흡열부와 일단이 상호 연결되는 적어도 하나 이상의 방열유닛을 포함한다.Vehicle heat exchanger according to an embodiment of the present invention for achieving this object is a heat absorbing portion is stored therein, the heat absorbing portion for receiving the heat from the heating element to evaporate the working fluid to the gas phase; And at least one coupling tube having a coupling channel to couple the plate formed with at least one protrusion along the longitudinal direction to move the working fluid moved through the phase change from the heat absorbing portion therein, and to the outside of the coupling tube. Cooling and condensing the working fluid passing through the connection flow path through the mutual heat exchange with the working fluid flowing in, and comprises at least one heat dissipation unit having one end and the heat absorbing portion interconnected.

상기 흡열부는 발열체로부터 제공된 열을 이용해 내부에 저장된 작동유체를 증발시키고, 증발된 기체상태 작동유체의 부피팽창에 의한 압력차이와, 모세관 현상을 이용해 상기 방열유닛으로 기체상태의 작동유체를 이동시킬 수 있다.The endothermic part may evaporate the working fluid stored therein by using the heat provided from the heating element, and may move the working fluid in the gas state to the heat dissipation unit by using a pressure difference due to the volume expansion of the evaporated gas working fluid and a capillary phenomenon. have.

상기 각 돌출부는 프레스 성형을 통해 상기 플레이트에 일체로 가공될 수 있다.Each protrusion may be integrally processed on the plate through press molding.

상기 돌출부는 상기 플레이트의 길이방향을 따라 내측면과 외측면이 반원형의 나선 형상으로 형성될 수 있다.The protrusion may have a semicircular spiral shape on an inner side and an outer side along the longitudinal direction of the plate.

상기 각 돌출부는 양단부의 설정구간이 반원형의 직선구간으로 형성될 수 있다.Each of the protrusions may be formed in a semi-circular straight section of the setting section of both ends.

상기 각 결합관은 상기 각 돌출부에 의해 원형의 파이프로서, 내주면과 외주면이 나선 형상으로 형성되며, 내부에서 응축된 액체상태의 작동유체가 연결유로의 내부로 유동 시, 회전에 의한 소용돌이 흐름을 유도하고, 외부를 통과하는 작동유체에 난류형성을 유도할 수 있다.The coupling pipes are circular pipes formed by the protrusions, and the inner and outer circumferences are formed in a spiral shape, and when the working fluid in the liquid state condensed therein flows into the connection flow path, the vortex flow is induced by rotation. And, it can induce turbulence formation in the working fluid passing through the outside.

상기 결합관은 각 플레이트의 돌출부가 각각 외측을 향하여 돌출되게 배치된 상태로, 상호 결합되어 형성될 수 있다.The coupling pipe may be formed by being coupled to each other in a state in which protrusions of each plate are disposed to protrude outward.

상기 각 방열유닛은 상기 흡열부의 길이방향으로 상기 각 결합관을 상호 엇갈리게 배치시켜 장착될 수 있다.The heat dissipation unit may be mounted by staggering the respective coupling pipes in the longitudinal direction of the heat absorbing portion.

상기 방열유닛은 상기 흡열부의 크기에 따라, 상기 방열유닛에 포함된 결합관의 개수를 조절해 적용하도록 상기 각 결합관을 기준으로 분리 가능하게 형성될 수 있다.The heat dissipation unit may be detachably formed based on each of the coupling pipes so as to adjust and apply the number of coupling pipes included in the heat dissipation unit according to the size of the heat absorbing unit.

상기 방열유닛은 상기 플레이트에 형성되는 각 돌출부의 내측면이 상호 마주하게 배치시킨 상태로, 두 개의 플레이트를 상호 결합하여 상기 연결유로를 갖는 결합관을 형성할 수 있다.The heat dissipation unit may be coupled to each other to form a coupling tube having the connection flow path in the state in which the inner surface of each of the protrusions formed on the plate are disposed facing each other.

상기 방열유닛은 상기 플레이트에 형성되는 상기 각 돌출부의 내측면이 상호 대응되게 배치되도록 하나의 플레이트를 접은 상태로, 결합하여 상기 연결유로를 갖는 결합관을 형성할 수 있다.The heat dissipation unit may be coupled to each other in a folded state so that the inner surfaces of the protrusions formed on the plate are disposed to correspond to each other to form a coupling tube having the connection flow path.

상기 플레이트는 상기 각 돌출부의 사이에 길이방향을 따라 적어도 하나 이상의 유동홀이 형성될 수 있다.The plate may have at least one flow hole formed in the longitudinal direction between the protrusions.

상기 흡열부는 상기 방열유닛에 대응하여 내측면에 길이방향을 따라 적어도 하나 이상의 제1 장착홀이 형성될 수 있다.The heat absorbing portion may have at least one first mounting hole formed in an inner surface of the heat absorbing portion in a longitudinal direction thereof.

상기 방열유닛은 상기 흡열부에 대응하여 타단에 장착되어 상기 방열유닛의 타단부를 고정시키며, 상기 방열유닛을 통해 유동하는 작동유체의 외부 누출을 방지하는 연결부를 더 포함할 수 있다.The heat dissipation unit may further include a connection part installed at the other end corresponding to the heat absorbing part to fix the other end of the heat dissipation unit and to prevent external leakage of the working fluid flowing through the heat dissipation unit.

상기 연결부는 상기 방열유닛에 대응하여 내측면에 길이방향을 따라 적어도 하나 이상의 제2 장착홀이 형성될 수 있다.The connection part may have at least one second mounting hole formed on an inner side surface thereof in a longitudinal direction corresponding to the heat dissipation unit.

상기 각 결합관의 연결유로 내부를 통과하는 작동유체의 열교환 매체로 외기를 이용하는 공랭식으로 구성될 수 있다.It can be configured in an air-cooled manner using the outside air as a heat exchange medium of the working fluid passing through the connection flow path of each coupling pipe.

상기 흡열부와 방열유닛을 이동하는 작동유체는 상기 각 결합관의 외부를 통과하는 외기의 유동방향과 서로 수직방향으로 이동될 수 있다.The working fluid for moving the heat absorbing portion and the heat dissipation unit may be moved in a direction perpendicular to the flow direction of the outside air passing through the outside of the respective coupling pipes.

상술한 바와 같이 본 발명의 실시예에 따른 차량용 열교환기에 의하면, 저압에서 끓는점이 낮아져 쉽게 증발되고 부피 팽창에 의한 압력차이와 모세관 현상에 의해 일측의 작동 유체가 다른 일측으로 이동하면서 열교환을 수행하는 증발식 열교환 원리를 이용하며, 내부에서 유동되는 작동유체의 방열효과를 향상시키는 효과가 있다.As described above, according to the vehicle heat exchanger according to the embodiment of the present invention, the boiling point is lowered at low pressure and evaporated easily, and the evaporation is performed while the working fluid of one side moves to the other side by the pressure difference and capillary phenomenon caused by the volume expansion. Using the heat exchange principle, there is an effect to improve the heat radiation effect of the working fluid flowing inside.

또한, 외측 형상에 나선형상을 적용하여 외부에서 유동하는 작동유체의 흐름변경을 통한 난류형성을 촉진함으로써, 내부에서 상변화에 의해 이동하는 작동유체와의 열교환 효율을 향상시키는 효과도 있다.In addition, by applying a spiral shape to the outer shape to promote the turbulence formation by changing the flow of the working fluid flowing from the outside, there is also an effect of improving the heat exchange efficiency with the working fluid moving by the phase change inside.

또한, 프레스 성형에 의해 플레이트 상에 나선형상을 갖는 돌출부를 일체로 형성하고, 각 돌출부를 상호 결합하여 결합관을 형성함으로써, 종래의 히트 파이프에 비해 저렴한 비용으로 제작이 가능하여 제작비용을 절감하는 효과도 있다.In addition, by forming a projection having a spiral shape on the plate by press molding integrally, and forming a joint tube by combining the projections with each other, it is possible to manufacture at a lower cost than the conventional heat pipe to reduce the production cost It also works.

도 1은 본 발명의 실시예에 따른 차량용 열교환기 사시도이다.
도 2는 도 1의 A-A 선에 따른 단면도이다.
도 3은 도 1의 B-B 선에 따른 단면도이다.
도 4는 본 발명의 실시예에 따른 차량용 열교환기에 적용되는 방열유닛의 사시도이다.
도 5는 본 발명의 실시예에 따른 차량용 열교환기에 적용되는 방열유닛의 분해 사시도이다.
도 6과 도 7은 본 발명의 실시예에 따른 차량용 열교환기의 작동 상태도이다.1 is a perspective view of a vehicle heat exchanger according to an embodiment of the present invention.
2 is a cross-sectional view taken along line AA of FIG. 1.
3 is a cross-sectional view taken along line BB of FIG. 1.
4 is a perspective view of a heat dissipation unit applied to a vehicle heat exchanger according to an embodiment of the present invention.
5 is an exploded perspective view of a heat dissipation unit applied to a vehicle heat exchanger according to an embodiment of the present invention.
6 and 7 are operational state diagrams of a vehicle heat exchanger according to an embodiment of the present invention.

이하, 본 발명의 바람직한 실시예를 첨부한 도면에 의거하여 상세하게 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

이에 앞서, 본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형예들이 있을 수 있음을 이해하여야 한다.It is to be understood that both the foregoing general description and the following detailed description of the present invention are exemplary and explanatory only and are not restrictive of the invention, It should be understood that various equivalents and modifications may be present.

도 1은 본 발명의 실시예에 따른 차량용 열교환기의 사시도이고, 도 2는 도 1의 A-A 선에 따른 단면도이며, 도 3은 도 1의 B-B 선에 따른 단면도이고, 도 4는 본 발명의 실시예에 따른 차량용 열교환기에 적용되는 방열유닛의 사시도이고, 도 5는 본 발명의 실시예에 따른 차량용 열교환기에 적용되는 방열유닛의 분해 사시도이다.1 is a perspective view of a vehicle heat exchanger according to an embodiment of the present invention, Figure 2 is a cross-sectional view taken along line AA of Figure 1, Figure 3 is a cross-sectional view taken along line BB of Figure 1, Figure 4 is an embodiment of the present invention 5 is a perspective view of a heat dissipation unit applied to a vehicle heat exchanger according to an embodiment, and FIG. 5 is an exploded perspective view of a heat dissipation unit applied to a vehicle heat exchanger according to an embodiment of the present invention.

도면을 참조하면, 본 발명의 실시예에 따른 차량용 열교환기(100)는 저압에서 끓는점이 낮아져 쉽게 증발되고 부피 팽창에 의한 압력차와 모세관 현상에 의해 일측의 작동 유체가 다른 일측으로 이동하면서 열교환을 수행하는 증발식 열교환 원리를 이용하며, 내부에서 유동되는 작동유체의 방열효과를 향상시킬 수 있는 구조로 이루어진다.Referring to the drawings, the vehicle heat exchanger 100 according to the embodiment of the present invention is a low boiling point at low pressure evaporates easily and the heat exchange is carried out while the working fluid of one side moves to the other side by the pressure difference and capillary phenomenon caused by the volume expansion. Using the evaporative heat exchange principle to perform, it is made of a structure that can improve the heat radiation effect of the working fluid flowing in the interior.

이를 위해, 본 발명의 실시예에 따른 차량용 열교환기(100)는, 도 1과 도 2에서 도시한 바와 같이, 흡열부(110)와 방열유닛(120)을 포함하여 구성된다.To this end, the vehicle heat exchanger 100 according to the embodiment of the present invention, as shown in Figure 1 and 2, is configured to include a heat absorbing unit 110 and the heat dissipation unit 120.

먼저, 상기 흡열부(110)는 내부에 작동유체가 저장되며, 발열체(102)로부터 열을 전달받아 작동유체를 증발시켜 기체상태로 상변화시키게 된다.First, the endothermic unit 110 is stored therein the working fluid, and receives the heat from the heating element 102 to evaporate the working fluid to change the phase to a gas state.

여기서, 상기 발열체(102)는 고온의 열을 발생시키는 것으로, 차량에서는 전장품이나 모터, 또는 연료전지 등이 해당될 수 있다.Here, the heating element 102 generates high temperature heat, and in a vehicle, the heating element 102 may correspond to an electric appliance, a motor, or a fuel cell.

이러한 흡열부(110)는 발열체(102)로부터 제공된 열을 이용해 내부에 저장된 작동유체를 증발시키고, 증발된 기체상태 작동유체의 부피팽창에 의한 압력차이와, 모세관 현상을 이용해 상기 방열유닛(120)으로 기체상태의 작동유체를 이동시키게 된다.The heat absorbing unit 110 evaporates the working fluid stored therein by using the heat provided from the heating element 102, and the pressure difference due to the volume expansion of the evaporated gas state working fluid and the heat dissipation unit 120 using the capillary phenomenon. This moves the working fluid in the gaseous state.

여기서, 상기 흡열부(110)는 상기 방열유닛(120)에 대응하여 내측면에 길이방향을 따라 등간격으로 다수개의 제1 장착홀(112)이 형성된다.Here, the heat absorbing part 110 is formed with a plurality of first mounting holes 112 at equal intervals along the longitudinal direction on the inner surface corresponding to the heat dissipation unit 120.

이에 따라, 상기 방열유닛(120)은 일단이 상기 제1 장착홀(112)에 삽입된 상태로, 장착되어 상기 흡열부(110)와 상호 연결된다.Accordingly, the heat dissipation unit 120 is mounted with one end inserted into the first mounting hole 112, and is connected to the heat absorbing unit 110.

본 실시예에서, 상기 방열유닛(120)은 길이방향을 따라 적어도 하나 이상의 돌출부(124)가 형성된 플레이트(122)를 결합해 상기 흡열부(110)로부터 상변화를 통해 이동되는 작동유체가 내부에서 이동하도록 연결유로(126)를 갖는 다수개의 결합관(128)을 형성한다.In the present embodiment, the heat dissipation unit 120 is coupled to the plate 122 is formed with at least one protrusion 124 along the longitudinal direction of the working fluid is moved through the phase change from the heat absorbing portion 110 therein A plurality of joining pipes 128 having connecting passages 126 are formed to move.

이러한 방열유닛(120)은 다수개로 구성되며, 상기 결합관(128)의 외부에서 유동되는 작동유체와의 상호 열교환을 통해 상기 연결유로(126)를 통과하는 작동유체를 냉각 및 응축시키고, 상기 흡열부(110)와 일단이 상호 연결된다.The heat dissipation unit 120 is composed of a plurality, cooling and condensing the working fluid passing through the connection passage 126 through mutual heat exchange with the working fluid flowing from the outside of the coupling pipe 128, the endothermic The unit 110 and one end are interconnected.

이와 같이 구성되는 상기 열교환기(100)는 상기 흡열부(110)에서 기체상태로 상변화되어 각 결합관(128)의 연결유로(126)를 통과하는 작동유체의 열교환 매체로 외기를 이용하는 공랭식으로 구성될 수 있다.The heat exchanger 100 configured as described above is air-cooled by using external air as a heat exchange medium for the working fluid passing through the connection flow path 126 of each coupling pipe 128 by being phase-changed in the gas state in the heat absorbing part 110. Can be configured.

여기서, 상기 각 결합관(128)의 연결유로(126) 내부를 통과하는 작동유체의 유동방향과 상기 각 결합관(128)의 외부를 통과하는 외기의 유동방향은 서로 수직방향으로 각각 유동되면서 상호 열교환이 이루어진다.Here, the flow direction of the working fluid passing through the connection flow path 126 of each of the coupling pipes 128 and the flow direction of the outside air passing through the outside of the coupling pipes 128 are respectively perpendicular to each other and flow each other. Heat exchange takes place.

따라서, 상기 열교환기(100)는 액체상태의 작동유체와 외기가 각각 다른 방향으로 유동됨에 따라, 보다 효율적인 열교환이 가능해진다.Therefore, the heat exchanger 100 is more efficient heat exchange as the working fluid in the liquid state and the outside air flows in different directions.

여기서, 상기 각 방열유닛(120)은, 도 3에서 도시한 바와 같이, 상기 흡열부(110)의 길이방향으로 상기 각 결합관(128)을 상호 엇갈리게 배치시켜 장착될 수 있다.Here, the heat dissipation unit 120, as shown in Figure 3, may be mounted by staggering the respective coupling pipes 128 in the longitudinal direction of the heat absorbing portion (110).

즉, 본 실시예에서, 상기 각 방열유닛(120)은 상기 흡열부(110) 상에서 복층으로 구성됨에 따라, 외부를 통과하는 외기는 상기 각 결합관(128)의 외부와 접촉면적이 증대된다.That is, in the present embodiment, each of the heat dissipation unit 120 is composed of a plurality of layers on the heat absorbing portion 110, the outside air passing through the outside increases the contact area with the outside of the respective coupling pipe (128).

본 실시예에서, 상기 돌출부(124)는, 도 4와 도 5에서 도시한 바와 같이, 상기 플레이트(122)의 길이방향을 따라 내측면과 외측면이 반원형의 나선 형상으로 형성된다.In the present embodiment, the protrusion 124, as shown in Figures 4 and 5, the inner surface and the outer surface along the longitudinal direction of the plate 122 is formed in a semi-circular spiral shape.

여기서, 상기 각 돌출부(124)는 양단부의 설정구간이 상기 흡열부(110)에 형성되는 제1 장착홀(112)에 삽입된 상태로 밀폐가 용이하도록 반원형의 직선구간으로 형성된다.Here, each of the protrusions 124 is formed in a semi-circular straight section so as to facilitate sealing in a state in which the setting section of both ends is inserted into the first mounting hole 112 formed in the heat absorbing section 110.

이러한 각 돌출부(124)는 프레스 성형을 통해 상기 플레이트(122)에 일체로 가공될 수 있다.Each of the protrusions 124 may be integrally processed on the plate 122 through press molding.

본 실시예에서, 상기 결합관(128)은 상기 각 돌출부(124)에 의해 원형의 파이프로서, 내주면과 외주면이 나선 형상으로 형성된다.In this embodiment, the coupling pipe 128 is a circular pipe by the protrusions 124, the inner peripheral surface and the outer peripheral surface is formed in a spiral shape.

이러한 각 결합관(128)은 상기 흡열부(110)에서 증발되어 기체상태로 상변화된 작동유체가 연결유로(126)를 통과하면서 외기와 열교환을 통해 냉각 및 응축하여 액체상태로 상변화시키게 된다.Each of the coupling pipes 128 is evaporated from the heat absorbing part 110 and the working fluid changed into a gas state passes through the connection flow path 126 to cool and condense through heat exchange with outside air to change phase into a liquid state.

그런 후, 상기 각 결합관(128)은 상기 연결유로(126)를 이동하면서 액체상태로 상변화된 작동유체를 다시 연결유로(126)를 통해 흡열부(110)로 유동시키면서, 작동유체에 회전에 의한 소용돌이 흐름을 유도하게 된다.Thereafter, each of the coupling pipes 128 moves the working fluid changed into a liquid state while moving the connecting flow path 126 to the heat absorbing part 110 through the connecting flow path 126, and thus to the rotation of the working fluid. To induce a vortex flow.

이 때, 상기 각 결합관(128)은 외부를 통과하는 외기에 난류형성을 촉진시킴으로써, 작동유체와 외기의 상호 열교환 시, 열교환 효율을 향상시키게 된다.At this time, each of the coupling pipes 128 promotes turbulence to the outside air passing through the outside, thereby improving heat exchange efficiency during mutual heat exchange between the working fluid and the outside air.

여기서, 상기 흡열부(110)에서 발열체(102)의 열에 의해 상변화된 기체상태의 작동유체는 상기 결합관(128)의 중심으로 이동되며, 상기 연결유로(126)의 외주면을 따라 이동하는 액체상태의 작동유체와 상호 열교환 될 수 있다.Here, the working fluid of the gas state changed by the heat of the heating element 102 in the heat absorbing unit 110 is moved to the center of the coupling tube 128, the liquid state moving along the outer peripheral surface of the connection flow path 126 Can be exchanged with the working fluid.

한편, 본 실시예에서, 상기 방열유닛(120)은 상기 흡열부(110)에 대응하여 타단에 장착되어 상기 방열유닛(120)의 타단부를 고정시키며, 상기 방열유닛(120)을 통해 유동하는 작동유체의 외부 누출을 방지하는 연결부(132)를 더 포함한다.On the other hand, in the present embodiment, the heat dissipation unit 120 is mounted on the other end corresponding to the heat absorbing unit 110 to fix the other end of the heat dissipation unit 120, and flows through the heat dissipation unit 120 It further comprises a connection 132 for preventing the external leakage of the working fluid.

상기 연결부(132)는 상기 방열유닛(120)에 대응하여 내측면에 길이방향을 따라 등간격으로 다수개의 제2 삽입홀(134)이 형성된다.The connection part 132 has a plurality of second insertion holes 134 formed at equal intervals along the longitudinal direction on the inner surface corresponding to the heat dissipation unit 120.

이에 따라, 상기 방열유닛(120)은 타단부가 상기 제2 장착홀(134)에 삽입된 상태로 장착되어 상기 제1 장착홀(112)을 통해 연결된 상기 흡열부(110)와 연결부(132)를 상호 연결하게 된다.Accordingly, the heat dissipation unit 120 is mounted with the other end inserted into the second mounting hole 134, and the heat absorbing unit 110 and the connection unit 132 connected through the first mounting hole 112. Will be interconnected.

이러한 연결부(132)는 상기 방열유닛(120)의 타단부에 연결되어 각 결합관(128)의 연결유로(126)를 통과하는 기체상태의 작동유체가 응축되지 못하고 이동할 경우, 외부로 누출되는 것을 방지하게 된다.The connection part 132 is connected to the other end of the heat dissipation unit 120, when the working fluid of the gas state passing through the connection flow path 126 of each coupling pipe 128 is not condensed and moves, it leaks to the outside Will be prevented.

동시에, 상기 연결부(132)는 기체상태의 냉매가 내부에서 상변화 될 경우, 각 연결유로(126)를 통해 흡열부(110)를 향하여 이동하도록 유도하게 된다.At the same time, the connection part 132 is induced to move toward the heat absorbing part 110 through each connection flow path 126 when the refrigerant in the gas phase is changed in the interior.

한편, 본 실시예에서는, 상기 방열유닛(120)이 상기 흡열부(110)에 대응하는 타단부에 별도의 연결부(132)가 장착되는 것을 일 실시예로 하여 설명하고 있으나, 이에 한정된 것은 아니며, 상기 연결부(132) 없이 각 결합관(128)의 타단에 개별적으로 캡을 장착하거나 용접 등을 통해 밀폐시켜 적용할 수 있다.On the other hand, in the present embodiment, the heat dissipation unit 120 is described as an embodiment in which a separate connection portion 132 is mounted on the other end corresponding to the heat absorbing portion 110, but is not limited thereto. Without the connecting portion 132, the other end of each coupling tube 128 can be applied by individually capping or sealing through welding or the like.

그리고 상기 각 결합관(128)은 각 플레이트(122)의 돌출부(124)가 각각 외측을 향하여 돌출되게 배치된 상태로, 상호 결합되어 파이프 형상의 관을 이루도록 형성될 수 있다.Each of the coupling pipes 128 may be formed such that the protrusions 124 of each plate 122 are disposed to protrude outwards, and are coupled to each other to form a pipe-shaped pipe.

즉, 상기 방열유닛(120)은 상기 플레이트(122)에 형성되는 각 돌출부(124)의 내측면이 상호 마주하게 배치시킨 상태로, 두 개의 플레이트(122)를 상호 결합하여 연결유로(126)를 갖는 결합관(128)을 형성하게 된다.That is, the heat dissipation unit 120 is a state in which the inner surface of each of the protrusions 124 formed on the plate 122 are disposed to face each other, by coupling the two plates 122 to each other to connect the connection flow path 126 The coupling tube 128 is formed.

여기서, 상기 각 플레이트(122)는 용접 등을 통해 상호 결합될 수 있다.Here, each of the plates 122 may be coupled to each other by welding or the like.

이와 같이 구성되는 상기 방열유닛(120)은 상기 흡열부(110)의 크기에 따라, 상기 방열유닛(120)에 포함된 결합관(128)의 개수를 조절해 적용하도록 상기 각 결합관(128)을 기준으로 분리 가능하게 형성된다.The heat dissipation unit 120 configured as described above is adapted to adjust and apply the number of the coupling pipes 128 included in the heat dissipation unit 120 according to the size of the heat absorbing unit 110. It is formed to be separated based on.

즉, 본 실시예에서는, 도 4와 같이, 다수개의 결합관(128)이 형성된 방열유닛(120)으로부터 2개의 결합관(128)이 구비되도록 분리하여 적용되었으나, 이에 한정된 것은 아니며, 흡열부(110)의 크기에 따라, 다수개의 결합관(128)이 형성된 방열유닛(120)에서 상기 결합관(128)의 개수를 조절하여 분리한 상태로 적용할 수 있다.That is, in the present embodiment, as shown in Figure 4, it was applied to separate the two coupling pipes 128 are provided from the heat dissipation unit 120 having a plurality of coupling pipes 128 are formed, but is not limited thereto, the heat absorbing portion ( According to the size of 110, it can be applied in a state in which a plurality of coupling pipes 128 is formed by adjusting the number of the coupling pipes 128 in the heat dissipation unit 120 is formed.

한편, 본 실시예에서, 상기 각 플레이트(122)는 상기 각 돌출부(124)의 사이에 길이방향을 따라 적어도 하나 이상의 유동홀(129)이 형성된다.Meanwhile, in the present embodiment, each plate 122 has at least one flow hole 129 formed in the longitudinal direction between the protrusions 124.

상기 각 유동홀(129)은 상기 각 플레이트(122)에서 돌출부(124)의 프레스 성형 후, 펀칭공정을 통해 형성될 수 있다.Each of the flow holes 129 may be formed through a punching process after press molding of the protrusions 124 on the plates 122.

여기서, 상기 유동홀(129)은 복층으로 구성되는 상기 각 방열유닛(120)의 외부로 유입되는 외기의 상, 하 이동을 유리하게 함으로써, 상기 각 결합관(128)의 외주면에 유체 흐름을 고르게 분포시킬 수 있어 열교환 효율을 더욱 증대시키는 기능을 하게 된다.Here, the flow hole 129 advantageously moves up and down of the outside air flowing into the outside of each of the heat dissipation units 120 constituted by a plurality of layers, thereby evenly flowing the fluid on the outer circumferential surface of each coupling pipe 128. Since it can be distributed, the function to further increase the heat exchange efficiency.

한편, 본 실시예에서, 상기 방열유닛(120)은 두 개의 플레이트(122)가 상호 결합되는 것을 일 실시예로 하여 설명하고 있으나, 이에 한정된 것은 아니며, 하나의 플레이트(122)에 각각 형성되는 상기 돌출부(124)의 내측면이 상호 대응되게 배치되도록 상기 플레이트(122)를 접은 상태로, 결합하여 상기 연결유로(126)를 갖는 결합관(128)을 형성할 수도 있다.On the other hand, in the present embodiment, the heat dissipation unit 120 is described as an embodiment in which the two plates 122 are mutually coupled, but is not limited to this, each formed on one plate 122 The plate 122 may be folded in such a manner that the inner surfaces of the protrusions 124 are arranged to correspond to each other, thereby forming a coupling pipe 128 having the connection passage 126.

이하, 상기와 같이 구성되는 본 발명의 실시예에 따른 차량용 열교환기(100)의 작동 및 작용을 상세히 설명한다.Hereinafter, the operation and operation of the vehicle heat exchanger 100 according to the embodiment of the present invention will be described in detail.

도 6과 도 7은 본 발명의 실시예에 따른 차량용 열교환기의 작동 상태도이다.6 and 7 are operational state diagrams of a vehicle heat exchanger according to an embodiment of the present invention.

먼저, 상기 흡열부(110)는 상기 발열체(102)의 열 발산에 의해 열이 전달되면, 내부에 저장된 작동유체를 증발시켜 액체상태에서 기체상태로 상변화시키게 된다.First, when the heat is transferred by the heat dissipation of the heat generating body 102, the endothermic unit 110 changes the phase from the liquid state to the gas state by evaporating the working fluid stored therein.

그러면, 상기 흡열부(110)의 내부에서 기체상태로 상변화된 작동유체는 그 부피 팽창에 의한 압력차이와 모세관현상에 의해 상기 각 결합관(128)의 연결유로(126)를 따라 이동하게 된다.Then, the working fluid phase-changed in the gas state inside the endothermic portion 110 is moved along the connection flow path 126 of the respective coupling pipe 128 by the pressure difference and capillary phenomenon by the volume expansion.

이 경우, 기체상태의 작동유체는 상기 연결유로(126)의 중심을 통해 이동되며, 외기와의 열교환을 통해 냉각 및 응축이 이루어진다.In this case, the gas working fluid is moved through the center of the connection passage 126, and cooling and condensation are performed through heat exchange with outside air.

여기서, 상기 연결유로(126)를 통해 이동하는 기체상태의 작동유체가 외기와의 열교환을 통해 냉각 및 응축되어 액체상태로 상변화되면, 상기 흡열부(110)를 향하여 결합관(128)의 연결유로(126) 내주면을 따라 이동하게 된다.Here, when the working fluid in the gas state moving through the connection flow path 126 is cooled and condensed through heat exchange with the outside air and phase-changes into a liquid state, the coupling pipe 128 is connected toward the endothermic part 110. The flow path 126 moves along the inner circumferential surface.

그리고 상기 결합관(128)을 통해 이동하면서 미처 상변화되지 못한 기체상태의 작동유체는 연결부(132)로 유입되었다가 액체상태로 상변화되면 흡열부(110)를 향해 연결유로(126)를 따라 이동되도록 유도된다.The working fluid in the gaseous state, which is not changed in phase while moving through the coupling pipe 128, flows into the connection part 132 and then changes into a liquid state along the connection flow path 126 toward the heat absorbing part 110. Induced to move.

이 때, 상기 각 결합관(128)은 상기 각 돌출부(124)가 상호 결합되어 나선형 파이프 형상으로 형성됨으로써, 상기 흡열부(110)로 이동하는 액체상태의 작동유체를 연결유로(126) 상에서 회전시켜 소용돌이 흐름을 발생시키게 된다.At this time, each of the coupling pipe 128 is formed in a spiral pipe shape by coupling the protrusions 124 to each other, thereby rotating the working fluid in the liquid state moving to the heat absorbing portion 110 on the connection flow path 126. To generate a vortex flow.

여기서, 상기 방열유닛(120)의 외부에서 유동하는 작동유체인 외기는, 도 7에서 도시한 바와 같이, 상기 각 결합관(128)의 외부를 따라 유동됨에 따라, 상기 각 돌출부(124)의 나선형상에 의해 외기의 난류형성이 촉진된다.Here, the outside air which is a working fluid flowing outside the heat dissipation unit 120, as shown in Figure 7, as flowing along the outside of each coupling pipe 128, the spiral shape of each of the protrusions 124 This promotes turbulence formation in the outside air.

동시에, 외기는 상기 각 유동홀(129)을 통해 복층으로 구성된 상기 각 방열유닛(120)의 상, 하부로 고르게 분포되어 상기 작동유체와의 상호 열교환이 효율적으로 이루어지게 된다.At the same time, the outside air is evenly distributed to the upper and lower portions of each of the heat dissipation units 120 formed of a plurality of layers through the respective flow holes 129 to efficiently perform mutual heat exchange with the working fluid.

이 때, 상기 각 결합관(128)의 내부에서 서로 반대방향으로 이동하는 기체상태의 작동유체와, 액체상태의 작동유체도 상호 열교환이 이루어짐에 따라, 보다 효율적인 열교환이 가능해 지며, 상기 열교환기(100)의 전체적인 방열성능이 향상된다.At this time, as the working fluid in the gas state and the working fluid in the liquid state which move in opposite directions within the respective coupling tubes 128 are mutually heat exchanged, more efficient heat exchange is possible, and the heat exchanger ( Overall heat dissipation performance of 100) is improved.

한편, 본 발명의 실시예에 따른 차량용 열교환기를 설명함에 있어, 상기 방열유닛(120)의 외부를 통과하며, 열교환 매체로 작용하는 작동유체가 외기인 것을 일 실시예로 하여 설명하고 있으나, 이에 한정된 것은 아니며, 고체를 제외한 모든 유체의 적용이 가능하다.Meanwhile, in describing a vehicle heat exchanger according to an embodiment of the present invention, the working fluid passing through the outside of the heat dissipation unit 120 and acting as a heat exchange medium is described as an embodiment, but is not limited thereto. All fluids except solids are applicable.

또한, 본 발명의 실시예에 따른 열교환기(100)는 차량을 포함한 모든 분야에 적용이 가능하다.In addition, the heat exchanger 100 according to the embodiment of the present invention can be applied to all fields including a vehicle.

따라서, 상기한 바와 같이 구성되는 본 발명의 실시예에 따른 차량용 열교환기(100)를 적용하면, 저압에서 끓는점이 낮아져 쉽게 증발되고 부피 팽창에 의한 압력차와 모세관 현상에 의해 일측의 작동 유체가 다른 일측으로 이동하면서 열교환을 수행하는 증발식 열교환 원리를 이용하며, 내부에서 유동되는 작동유체의 방열효과를 향상시킬 수 있다.Therefore, when the vehicle heat exchanger 100 according to the embodiment of the present invention is configured as described above, the boiling point is lowered at low pressure and is easily evaporated, and the working fluid at one side is different due to the pressure difference due to volume expansion and the capillary phenomenon. By using the evaporative heat exchange principle that performs heat exchange while moving to one side, it is possible to improve the heat radiation effect of the working fluid flowing inside.

또한, 외측 형상에 나선형상을 적용하여 외부에서 유동하는 작동유체의 흐름변경을 통한 난류형성을 촉진함으로써, 내부에서 상변화에 의해 이동하는 작동유체와의 열교환 효율을 향상시킬 수 있다.In addition, by applying a spiral shape to the outer shape to promote the turbulence formation through the flow change of the working fluid flowing from the outside, it is possible to improve the heat exchange efficiency with the working fluid moving by the phase change inside.

또한, 프레스 성형에 의해 플레이트(122) 상에 나선형상을 갖는 돌출부(124)를 일체로 형성하고, 각 돌출부(124)를 상호 결합하여 결합관(128)을 형성함으로써, 종래의 히트 파이프에 비해 저렴한 비용으로 제작이 가능하여 제작비용을 절감할 수 있다.In addition, by forming the protrusions 124 having a spiral shape integrally on the plate 122 by press molding, and by combining the protrusions 124 with each other to form a coupling tube 128, compared with the conventional heat pipe It is possible to manufacture at low cost, thus reducing the production cost.

이상과 같이, 본 발명은 비록 한정된 실시예와 도면에 의해 설명되었으나, 본 발명은 이것에 의해 한정되지 않으며 본 발명이 속하는 기술 분야에서 통상의 지식을 가진자에 의해 본 발명의 기술 사상과 아래에 기재될 특허청구범위의 균등범위 내에서 다양한 수정 및 변형이 가능함은 물론이다.While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It will be understood that various modifications and changes may be made without departing from the scope of the appended claims.

100 : 열교환기 102 : 발열체
110 : 흡열부 112 : 제1 장착홀
120 : 방열유닛 122 : 플레이트
124 : 돌출부 126 : 연결유로
128 : 결합관 129 : 유동홀
132 : 연결부 134 : 제2 장착홀100: heat exchanger 102: heating element
110: heat absorbing portion 112: first mounting hole
120: heat dissipation unit 122: plate
124: protrusion 126: connection flow path
128: coupling pipe 129: flow hole
132: connecting portion 134: second mounting hole

Claims (17)

내부에 작동유체가 저장되며, 발열체로부터 열을 전달받아 작동유체를 증발시켜 기체상태로 상변화시키는 흡열부; 및
길이방향을 따라 적어도 하나 이상의 돌출부가 형성된 플레이트를 결합해 상기 흡열부로부터 상변화를 통해 이동되는 작동유체가 내부에서 이동하도록 연결유로를 갖는 적어도 하나 이상의 결합관을 형성하고, 상기 결합관의 외부에서 유동되는 작동유체와의 상호 열교환을 통해 상기 연결유로를 통과하는 작동유체를 냉각 및 응축시키며, 상기 흡열부와 일단이 상호 연결되는 적어도 하나 이상의 방열유닛;
을 포함하는 것을 특징으로 하는 차량용 열교환기.A heat absorbing part which stores a working fluid therein and receives heat from the heating element and evaporates the working fluid to change the phase into a gas state; And
Combining the plate formed with at least one protrusion along the longitudinal direction to form at least one coupling tube having a connection flow path to move the working fluid which is moved through the phase change from the heat absorbing portion inside, the outside of the coupling tube At least one heat dissipation unit for cooling and condensing the working fluid passing through the connection channel through mutual heat exchange with the working fluid flowing therein, and one end of which is connected to the heat absorbing portion;
And a heat exchanger for heating the heat exchanger. 제1항에 있어서,
상기 흡열부는
발열체로부터 제공된 열을 이용해 내부에 저장된 작동유체를 증발시키고, 증발된 기체상태 작동유체의 부피팽창에 의한 압력차이와, 모세관 현상을 이용해 상기 방열유닛으로 기체상태의 작동유체를 이동시키는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
The heat absorbing portion
The working fluid stored therein is evaporated using the heat provided from the heating element, and the pressure difference due to the volume expansion of the evaporated gas working fluid and the capillary phenomenon are used to move the working fluid in the gas state to the heat dissipation unit. Automotive heat exchanger. 제1항에 있어서,
상기 각 돌출부는
프레스 성형을 통해 상기 플레이트에 일체로 가공되는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
Each of the protrusions
Vehicle heat exchanger, which is integrally processed on the plate through press molding. 제1항에 있어서,
상기 돌출부는
상기 플레이트의 길이방향을 따라 내측면과 외측면이 반원형의 나선 형상으로 형성되는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
The protrusion
The vehicle heat exchanger, characterized in that the inner surface and the outer surface is formed in a semi-circular spiral shape along the longitudinal direction of the plate. 제4항에 있어서,
상기 각 돌출부는
양단부의 설정구간이 반원형의 직선구간으로 형성되는 것을 특징으로 하는 차량용 열교환기.5. The method of claim 4,
Each of the protrusions
A vehicle heat exchanger characterized in that the setting section at both ends is formed as a semicircular straight section. 제1항에 있어서,
상기 각 결합관은
상기 각 돌출부에 의해 원형의 파이프로서, 내주면과 외주면이 나선 형상으로 형성되며, 내부에서 응축된 액체상태의 작동유체가 연결유로의 내부로 유동 시, 회전에 의한 소용돌이 흐름을 유도하고, 외부를 통과하는 작동유체에 난류형성을 유도하는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
Each joining tube is
Each of the protrusions is a circular pipe, the inner circumferential surface and the outer circumferential surface is formed in a spiral shape, when the working fluid in the liquid state condensed inside flows into the connection flow path, induces a vortex flow by rotation, and passes through the outside Vehicle heat exchanger, characterized in that to induce turbulence formation in the working fluid. 제1항에 있어서,
상기 결합관은
각 플레이트의 돌출부가 각각 외측을 향하여 돌출되게 배치된 상태로, 상호 결합되어 형성되는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
The joining tube is
The heat exchanger for a vehicle, characterized in that the protrusions of each plate are formed so as to protrude toward the outside, they are mutually coupled. 제1항에 있어서,
상기 각 방열유닛은
상기 흡열부의 길이방향으로 상기 각 결합관을 상호 엇갈리게 배치시켜 장착되는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
Each heat dissipation unit
Vehicle heat exchanger, characterized in that the mounting is arranged by staggering each coupling pipe in the longitudinal direction of the heat absorbing portion. 제1항에 있어서,
상기 방열유닛은
상기 흡열부의 크기에 따라, 상기 방열유닛에 포함된 결합관의 개수를 조절해 적용하도록 상기 각 결합관을 기준으로 분리 가능하게 형성되는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
The heat dissipation unit
According to the size of the heat absorbing unit, a heat exchanger for a vehicle, characterized in that the separation is formed on the basis of each of the coupling pipe to apply to control the number of coupling pipes included in the heat dissipation unit. 제1항에 있어서,
상기 방열유닛은
상기 플레이트에 형성되는 각 돌출부의 내측면이 상호 마주하게 배치시킨 상태로, 두 개의 플레이트를 상호 결합하여 상기 연결유로를 갖는 결합관을 형성하는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
The heat dissipation unit
Vehicle inner heat exchanger, characterized in that to form a coupling tube having the connecting flow path by coupling the two plates to each other in a state in which the inner surface of each protrusion formed on the plate facing each other. 제1항에 있어서,
상기 방열유닛은
상기 플레이트에 형성되는 상기 각 돌출부의 내측면이 상호 대응되게 배치되도록 하나의 플레이트를 접은 상태로, 결합하여 상기 연결유로를 갖는 결합관을 형성하는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
The heat dissipation unit
Vehicles heat exchanger, characterized in that to form a coupling tube having the connection passage in a state in which one plate is folded so that the inner surface of each of the protrusions formed on the plate are arranged to correspond to each other. 제1항에 있어서,
상기 플레이트는
상기 각 돌출부의 사이에 길이방향을 따라 적어도 하나 이상의 유동홀이 형성되는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
The plate
Vehicle heat exchanger, characterized in that at least one flow hole is formed in the longitudinal direction between the projections. 제1항에 있어서,
상기 흡열부는
상기 방열유닛에 대응하여 내측면에 길이방향을 따라 적어도 하나 이상의 제1 장착홀이 형성되는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
The heat absorbing portion
At least one first mounting hole is formed in the inner side in the longitudinal direction corresponding to the heat dissipation unit. 제1항에 있어서,
상기 방열유닛은
상기 흡열부에 대응하여 타단에 장착되어 상기 방열유닛의 타단부를 고정시키며, 상기 방열유닛을 통해 유동하는 작동유체의 외부 누출을 방지하는 연결부를 더 포함하는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
The heat dissipation unit
And a connection part mounted on the other end corresponding to the heat absorbing part to fix the other end of the heat dissipation unit, and prevent an external leakage of the working fluid flowing through the heat dissipation unit. 제1항에 있어서,
상기 연결부는
상기 방열유닛에 대응하여 내측면에 길이방향을 따라 적어도 하나 이상의 제2 장착홀이 형성되는 것을 특징으로 하는 차량용 열교환기.The method of claim 1,
The connecting portion
Vehicle heat exchanger, characterized in that at least one or more second mounting holes are formed in the inner side corresponding to the heat dissipation unit in the longitudinal direction. 제1항에 있어서,
상기 각 결합관의 연결유로 내부를 통과하는 작동유체의 열교환 매체로 외기를 이용하는 공랭식으로 구성되는 것을 특징으로 하는 차량용 열교환기The method of claim 1,
Vehicle heat exchanger characterized in that the air-cooling type using the outside air as a heat exchange medium of the working fluid passing through the connection flow path of the respective coupling pipes 제16항에 있어서,
상기 흡열부와 방열유닛을 이동하는 작동유체는 상기 각 결합관의 외부를 통과하는 외기의 유동방향과 서로 수직방향으로 이동되는 것을 특징으로 하는 차량용 열교환기.17. The method of claim 16,
The working fluid for moving the heat absorbing portion and the heat dissipation unit is a vehicle heat exchanger, characterized in that to move in the direction perpendicular to each other and the flow direction of the outside air passing through the respective coupling pipe.
KR20110131564A 2011-12-09 2011-12-09 Heat exchanger for vehicle KR20130064936A (en)

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