CN101006317A - 热交换器 - Google Patents

热交换器 Download PDF

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CN101006317A
CN101006317A CNA2005800279451A CN200580027945A CN101006317A CN 101006317 A CN101006317 A CN 101006317A CN A2005800279451 A CNA2005800279451 A CN A2005800279451A CN 200580027945 A CN200580027945 A CN 200580027945A CN 101006317 A CN101006317 A CN 101006317A
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heat exchanger
pipe
cooling medium
case
connection surface
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CN100547338C (zh
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摩根·科林
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Scania CV AB
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Scania CV AB
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F9/026Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0265Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box
    • F28F9/0268Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by using guiding means or impingement means inside the header box in the form of multiple deflectors for channeling the heat exchange medium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular 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
    • F28F1/24Tubular 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 transversely
    • F28F1/32Tubular 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 transversely the means having portions engaging further tubular elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-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
    • F28D1/02Heat-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
    • F28D1/04Heat-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
    • F28D1/053Heat-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
    • F28D1/0535Heat-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 the conduits having a non-circular cross-section
    • F28D1/05366Assemblies of conduits connected to common headers, e.g. core type radiators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00Tubular elements; Assemblies of tubular elements
    • F28F1/10Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12Tubular 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
    • F28F1/34Tubular 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 obliquely
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02Header boxes; End plates
    • F28F2009/0285Other particular headers or end plates
    • F28F2009/029Other particular headers or end plates with increasing or decreasing cross-section, e.g. having conical shape
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28FDETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2215/00Fins
    • F28F2215/04Assemblies of fins having different features, e.g. with different fin densities

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geometry (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Power Steering Mechanism (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

本发明涉及一种包含两个箱(2、2’)的热交换器(1),其中用于将被冷却/加热的介质的管(3)被布置在箱(2、2’)的连接表面(4、4’)之间延伸,在所述管(3)之间布置有用于冷却/加热介质的管道(5),该管道相对于管(3)的纵向成一角度地延伸。连接表面(4、4’)被布置为沿冷却/加热介质的流动方向进行会聚。本发明还涉及热交换器(1)在机动车辆中的用途,例如用作冷却器。

Description

热交换器
技术领域
本发明涉及一种包含两个箱(tank)的热交换器,其中用于将被冷却/加热的介质的管被布置在箱的连接表面之间延伸,其中在该管之间有用于冷却/加热介质的管道(duct),所述管道被布置为与管的纵向成一角度地延伸。本发明也涉及这种热交换器(例如冷却器)在机动车辆中的用途。
背景技术
期望提供具有最大有效传热面积的热交换器。在以前获得这样更大的传热面积必须增大热交换器的尺寸,但是期望获得有效面积的增加而不增加热交换器的总尺寸。
特别在车辆工业中,车辆前部中可用于热交换器的空间非常有限。就卡车而言,该空间通常向上被驾驶室所限制,而且朝向侧面和向下被例如各种框架和部件所限制。为了容纳更大的热交换器,非常简单的是将车辆做得更大,这不仅更昂贵而且导致了庞大的车辆,这种车辆由于以下几个原因是不期望的:例如,车辆最大尺寸的规定、或车辆可能操作的位置的空间的不足。
发明内容
本发明的目的是提供一种具有增加有效传热面积、同时维持总尺寸不变的热交换器。
该目的通过这样一种热交换器实现,其包含两个箱,其中用于将被冷却/加热介质的管被布置成在箱的连接表面之间延伸,在所述管之间有用于冷却/加热介质的管道,所述管道布置成与管的纵向成一角度地延伸,所述连接表面被布置成沿冷却/加热介质的流动方向进行会聚。
从冷却/加热介质的流动方向上看,结果是热交换器的上游区域增加,即当冷却/加热介质到达热交换器时遇到的第一区域。当冷却/加热介质到达通向冷却/加热介质用的热交换器管道的孔时,由于冷却/加热介质和将被冷却/加热介质之间的温差正好最大,因此该区域是传热的最有效区域。增加传热的最有效面积使得增加热交换器的冷却/加热性能并维持总尺寸不变变为可能。
优选地,将连接表面布置为以这样一种方式会聚,即使得管的上游部分(从冷却/加热介质的流动方向上看)大体上延伸跨过热交换器的整个宽度;并且使得管的下游部分(从冷却/加热介质的流动方向看)延伸跨过冷却器/加热器宽度的一部分,其使得箱具有足够的尺寸。
结果是最大地利用热交换器的传热用宽度,同时满足箱的必要尺寸。
有利地,靠近各个箱的区域中的流动管道以这样一种方式相对于冷却/加热介质用的其他流动管道成一角度,即越临近各个连接表面的这些区域中的流动管道愈加接近平行于连接表面地延伸。
因此,能够获得流经热交换器的最优空气流动条件。
根据本发明,为了防止制造热交换器过程中的浪费,大体上连接表面优选地相对于管的纵向大体上成45°角地进行会聚。
这使通过在不同方向进行转动而使用所有被切割的管变得容易,而不需要进一步加工(其将费时和产生不必要浪费)。
本发明也涉及如上热交换器在机动车辆中的用途。该热交换器特别适用于车辆比如卡车,在该车辆中由周围部件限制了空间。因此,热交换器可作为例如水冷器、充气空气冷却器(charge aircooler)或空调系统中的部件。
附图说明
以下参考附图描述本发明,其中:
图1示意地描述了从上部观察时根据本发明的优选实施例的热交换器,
图2示意地描述了从前部观察时根据本发明的优选实施例的热交换器,
图3是根据本发明的优选实施例的从热交换器的上部截取的示意性剖面图;
图4是根据本发明的优选实施例的从热交换器的前部截取的示意性剖面图。
具体实施方式
热交换器1包含两个箱2、2’。用于将被冷却/加热的介质的管3被布置在箱2、2’的连接表面4、4’之间延伸,用于冷却/加热介质的管道5被布置为与管3的纵向成一角度地延伸。管道5由布置在管3上的凸缘6以传统方式组成。连接表面4、4’布置为沿冷却/加热介质的流动方向会聚。冷却/加热介质的流动方向在图1中用箭头F表示。
在图1和2可以看到,连接表面4、4’以这样一种方式会聚,即使得管3的上游部分7(从冷却/加热介质的流动方向上看)大体上延伸跨过热交换器1的整个宽度,即从一个箱2的角部8延伸到第二个箱2’的相应的角部8’。上游部分7是当冷却/加热介质到达热交换器1时遇到的管3的第一部分。取决于将要被冷却/加热的介质的粘度和其他流动特性,在角部8、8’可能需要更大的空间;在这种情况下,这些角部可以做得没有图1中的角部那么尖锐。
连接表面4、4’也可以这样一种方式会聚,即使得管3的下游部分9(从冷却/加热介质流动方向看)延伸跨过加热器宽度的一部分,这使得箱具有足够的尺寸。足够尺寸通常意味着箱具有在下述热交换器中的对应箱应当具有的相同容积,其中该热交换器具有相同的总体尺寸,且其箱具有大体上平行的连接表面。
图中,连接表面4、4’是平直的,但是在本申请中这些表面可以有利地具有不同形状,例如凸的或凹的。箱2、2’的设计也可以改变。它们的功能包括在将要冷却/加热的介质的管3之间平均分配。它们横截面的大小因此可以在竖直方向改变,以保证最佳分配。
在图3中可以看到,处于靠近各个箱2、2’的区域中的流动管道51相对于用于冷却/加热介质的其他流动管道52成一角度,以便在各个箱2、2’的管道5 1布置得越靠近各个箱2、2’的连接表面4、4’,这些区域的流动管道5 1愈加接近平行于各个箱2、2’的连接表面4、4’地延伸。其他流动管道52大体上垂直于管3的纵向延伸。
图4示意性地描述了一个实施例,其中从冷却/加热介质的流动方向看,靠近各个箱的区域中的管道53没有自始至终从热交换器的上流侧7到达它的下流侧9。
图3和4中的实施例表示了用于使冷却/加热介质流过热交换器的优选实施例,即以最优流动条件流入在热交换器的上流侧7的管道5、51、52、53,并流出热交换器的下流侧上的管道5、51、52、53。
连接表面4、4’大体上优选与管3的纵向成45°角地会聚。在热交换器1的制造过程中,由于以45°角地切掉端部的管3很容易在热交换器1中转向且使用在另一个上方,切割管3有可能在不产生下脚料引起不必要浪费的情况下进行切割。
当热交换器为用于例如卡车的车辆的水冷器的形式时,被冷却的介质是散热器流体,通常是水/乙二醇混合物,而且当车辆在运行中或车辆风扇运转时,冷却介质是流入管道5内的环境空气。散热器流体通过入口10进入一个箱2,通过出口11流出第二个箱2’。当热交换器表现为一些其他类型的冷却器或加热器的形式时,各种介质将是冷却器/加热器有关的那些所需介质。
如上的设计使热交换器的上游区域能够更大,而不会使热交换器的总尺寸变大。上游区域是冷却/加热介质首先碰到的区域,即热交换器的向前区域,在这种情况下其装配在例如卡车上的格栅后面的前方。由于上游区域是被冷却/加热介质和冷却/加热介质之间的最大温差区域,因此上流区域是最有效的传热区域。对于给定总尺寸的热交换器,本发明因此产生了更有效的热传递。
以上所述的仅仅是作为图解的示例,它不能限制本发明的范围。保护范围仅由以下的权利要求书限制。因此,热交换器可以采用不同于车辆用水冷器的其他热交换器形式,例如它可以采用充气冷却器或车辆空调系统中的热交换器的形式。本发明也不局限于车辆,它也应用于例如客车、建筑机械和所需的其他车辆,而且也可以在车辆某部分外侧(例如在空调系统中)。

Claims (6)

1.一种热交换器(1),包含两个箱(2、2’),其中用于将被冷却/加热介质的管(3)被布置成在箱(2、2’)的连接表面(4、4’)之间延伸,在所述管(3)之间有用于冷却/加热介质的管道(5),所述管道布置成与管(3)的纵向成一角度地延伸,其特征在于:所述连接表面(4、4’)被布置成沿冷却/加热介质的流动方向进行会聚。
2.根据权利要求1所述的热交换器(1),其特征在于:所述连接表面(4、4’)以这样一种方式被布置而进行会聚,即从冷却/加热介质的流动方向看,管(3)的上游部分(7)大体上延伸跨过热交换器(1)的整个宽度。
3.根据权利要求2所述的热交换器(1),其特征在于:所述连接表面(4、4’)以这样一种方式被布置而进行会聚,即从冷却/加热介质的流动方向看,管(3)的下游部分(9)延伸跨过热交换器(1)宽度的一部分,其使得箱(2、2’)具有足够的尺寸。
4.根据前述的任意一个权利要求所述的热交换器(1),其特征在于:靠近各个箱的区域中的流动管道(51)以这样一种方式相对于冷却/加热介质用的其他流动管道(52)成一角度,即越临近各个连接表面(4、4’)的这些区域中的流动管道(51)愈加接近平行于连接表面(4、4’)地延伸。
5.根据前述的任一权利要求所述的热交换器(1),其特征在于:连接表面(4、4’)相对于管(3)的纵向大体上成45°角地进行会聚。
6.根据前述的任一权利要求所述的热交换器在机动车辆中的用途,例如用作冷却器。
CNB2005800279451A 2004-08-18 2005-06-28 热交换器 Expired - Fee Related CN100547338C (zh)

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EP (1) EP1789744B1 (zh)
JP (1) JP4361952B2 (zh)
CN (1) CN100547338C (zh)
AT (1) ATE504794T1 (zh)
BR (1) BRPI0513525A (zh)
DE (1) DE602005027361D1 (zh)
SE (1) SE527727C2 (zh)
WO (1) WO2006019344A1 (zh)

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JPWO2018139649A1 (ja) * 2017-01-30 2019-11-14 京セラ株式会社 熱交換器

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EP1789744A1 (en) 2007-05-30
SE0402033L (sv) 2006-02-19
JP2008510124A (ja) 2008-04-03
EP1789744B1 (en) 2011-04-06
WO2006019344A1 (en) 2006-02-23
ATE504794T1 (de) 2011-04-15
CN100547338C (zh) 2009-10-07
US7614442B2 (en) 2009-11-10
SE0402033D0 (sv) 2004-08-18
JP4361952B2 (ja) 2009-11-11
DE602005027361D1 (de) 2011-05-19
SE527727C2 (sv) 2006-05-23
US20090025920A1 (en) 2009-01-29
BRPI0513525A (pt) 2008-05-06

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