CN110118504A - 扁平管 - Google Patents

扁平管 Download PDF

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Publication number
CN110118504A
CN110118504A CN201910106696.9A CN201910106696A CN110118504A CN 110118504 A CN110118504 A CN 110118504A CN 201910106696 A CN201910106696 A CN 201910106696A CN 110118504 A CN110118504 A CN 110118504A
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Prior art keywords
layer
flat tube
bending part
pipe
wall
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CN201910106696.9A
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English (en)
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CN110118504B (zh
Inventor
A.科拉茨
D.波托克
J.赫利帕拉
R.比涅克
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Valeo Autosystemy Sp zoo
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Valeo Autosystemy Sp zoo
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
    • F28D1/0391—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits a single plate being bent to form one or more conduits
    • 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
    • F28F1/003—Multiple wall conduits, e.g. for leak detection
    • 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
    • F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only 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
    • F28F2225/00—Reinforcing means
    • F28F2225/04—Reinforcing means for conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/06—Fastening; Joining by welding
    • 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
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like 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
    • 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
    • F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element

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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)

Abstract

一种用于热交换器的扁平管，由片材形成并且由底壁(11)、顶壁(12)和两个侧壁(13)限定，其中，至少一个侧壁(13)包括片材的第一层(13a)和第二层(13b)，其中，所述第一层(13a)具有弯曲部分(14)，该弯曲部分(14)与所述第二层(13b)一起形成导管(15)。

Description

扁平管
技术领域
本发明涉及一种用于热交换器的管。更具体地，本发明涉及一种用于在汽车工业中使用的热交换器的扁平管。
背景技术
在已知的热交换器中，例如在汽车工业中使用的热交换器中，热交换可以在两种流体之间进行。第一流体可以被引导通过由热交换器的元件形成的导管。这些元件可以是通过管的方式流体连接的两个歧管。其中一种流体在所述歧管之间行进穿过这些管。在管之间可以设置有空间，第二流体可以通过该空间从管的一侧行进到另一侧。管传导第一流体的热量，然后其被传递给第二流体，反之亦然。
扁平管是已知的，其横截面具有由两个平行壁限定的细长形状，两个平行壁在其侧边缘处由基本上较小高度的侧壁连接。这些管通常一个放置在另一个上面，使得它们相邻的平坦平行壁形成用于第二流体的通道。管可以包括内散热片，例如以波纹片的形式，其弯曲部分与扁平管的所述平坦平行壁接触。这些散热片便于热交换。在公开号为EP1089047A2或EP1906127A2的专利申请中描述了这种管的示例。
然而，对于工业中常用的散热片，成功填充扁平管内通道的过程是复杂的。特别地，波纹片在扁平管中的均匀分布带来了难以以成本有效的方式克服的困难。这对于扁平管尤其如此，其中侧壁以及平行平坦壁和所述侧壁之间的它们的角部由层状管材料制成。换句话说，扁平管的材料厚度由于其在那些区域中的分层结构而朝向其内侧变化，从而阻碍了管内散热片分布的均匀性。例如，如果通常在正常高度的散热片的最后壁部分终止的角部中管壁厚度较大，则使该最后壁部分变短。在其他情况下，散热片终止于最后弯曲部分。在大多数情况下，这通过管的未被散热片占据的侧壁产生空间。该空间产生了所谓的空气旁路。旁路不像扁平管的其余部分那样有助于热交换。
因此，本发明的目的是改进包括扁平管和在所述管内的散热片的扁平管组件的操作，特别是用于改进扁平管组件的热交换能力。其目的是以易于实施的成本有效的方式实现这种效果。
发明内容
本发明的目的是一种用于热交换器的扁平管，由片材形成并且由底壁、顶壁和两个侧壁限定，其中至少一个侧壁包括片材的第一层和第二层，其特征在于，第一层具有弯曲部分，该弯曲部分与第二层一起形成导管。
优选地，弯曲部分具有由半径R限定的圆形横截面形状。
优选地，第一层包括钎焊部分，该钎焊部分在导管的相对侧处与第二层形成连接。
优选地，扁平管还包括在由其壁限定的空间中的散热片。
优选地，所述管具有高度H＝7.5mm和宽度W＝100mm，并且弯曲部分14具有半径R＝2.4mm。
附图说明
参考附图，本发明的示例将显而易见并且将得到详细描述，其中：
图1示出了根据本发明的管。
图2示出了根据本发明的具有散热片的管。
具体实施方式
附图示出了用于热交换器的扁平管10。热交换器可以是增压空气冷却器、水增压空气冷却器、冷凝器、散热器等。扁平管10由片材形成，并且由底壁11、顶壁12和两个侧壁13限定。侧壁可以是完全弓形的或者可以包括平坦的中间部分。底壁11和顶壁12之间的距离限定了高度方向H。另一方面，侧壁13之间的距离限定了宽度方向W。该宽度方向应理解为平行于平坦平行壁11、12延伸，而高度方向应理解为垂直于平坦平行壁11、12延伸。
至少一个侧壁13包括片材的第一层13a和第二层13b。当通过将片材折叠成扁平管的形状来制造该管时实现这一点，其中片的两个相对的端部彼此重叠。该管也可以由两部分制成，即底部和上部，当各个壁以分层方式连接时形成侧壁。在任何一种情况下，这些层都可以通过钎焊连接。
根据本发明，第一层13a具有弯曲部分14，弯曲部分14与第二层13b一起形成导管15。该导管可以关闭，以便它可以引导第一层13a和第二层13b之间的流体。弯曲部分14在宽度方向上突出到管的内部空间中，从而防止当波纹状散热片放置在管中时产生空气旁路。弯曲部分的突出程度可以根据管和尺寸来选择，使得散热片16和侧壁13之间的未占用空间最小化。例如，弯曲部分14可以具有由半径R限定的圆形横截面形状。对于尺寸H＝7.5mm和W＝100mm的管，R可以是2.4mm。
在优选实施例中，第一层13a包括钎焊部分16，该钎焊部分16在导管15的相对侧处与第二层13b形成连接，即沿着高度方向在侧壁13的底部和顶部上。这提供改善管的刚性。
通过研究附图、公开内容和所附权利要求，本领域技术人员在实践所要求保护的发明时可以理解和实现所公开实施例的其他变型。在相互不同的从属权利要求中叙述某些措施的仅有事实并不表示这些措施的组合不能用于获益。

Claims (5)

1.一种用于热交换器的扁平管，由片材形成并且由底壁(11)、顶壁(12)和两个侧壁(13)限定，其中，至少一个侧壁(13)包括片材的第一层(13a)和第二层(13b)，其特征在于，所述第一层(13a)具有弯曲部分(14)，该弯曲部分(14)与所述第二层(13b)一起形成导管(15)。
2.根据权利要求1所述的扁平管，其中，所述弯曲部分(14)具有由半径R限定的圆形横截面形状。
3.根据前述权利要求中的任一项所述的扁平管，其中，所述第一层(13a)包括钎焊部分(16)，该钎焊部分(16)在所述导管(15)的相对侧处与所述第二层(13b)形成连接。
4.根据前述权利要求中的任一项所述的扁平管，其中，所述扁平管还包括在由其壁(11、12、13)限定的空间中的散热片。
5.根据权利要求2所述的扁平管，其中，所述管具有高度H＝7.5mm和宽度W＝100mm，并且弯曲部分(14)具有半径R＝2.4mm。
CN201910106696.9A 2018-02-06 2019-02-02 扁平管 Active CN110118504B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18461516.9 2018-02-06
EP18461516.9A EP3521746B1 (en) 2018-02-06 2018-02-06 A flat tube for a heat exchanger

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CN110118504A true CN110118504A (zh) 2019-08-13
CN110118504B CN110118504B (zh) 2023-04-28

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU101492B1 (en) * 2019-11-25 2021-05-26 Ht Holding Luxembourg S A Flat heat exchanger tube

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0567399A1 (fr) * 1992-04-21 1993-10-27 Valeo Thermique Moteur Tube d'échangeur de chaleur à dispositif perturbateur intégré
US20050161194A1 (en) * 2002-05-03 2005-07-28 Karsten Emrich Heat exchanger, in particular charge-air cooler
US20090166020A1 (en) * 2004-07-28 2009-07-02 Smith Paul R Automotive heat exchanger assemblies having internal fins and methods of making the same
CN101600931A (zh) * 2007-02-10 2009-12-09 摩丁制造公司 热交换器管道及其形成方法
CN104583703A (zh) * 2012-06-29 2015-04-29 贝洱两合公司 扁管和具有这种扁管的热交换器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6192977B1 (en) 1999-09-29 2001-02-27 Valeo Thermique Moteur Tube for heat exchanger
US8683690B2 (en) * 2006-01-19 2014-04-01 Modine Manufacturing Company Flat tube, flat tube heat exchanger, and method of manufacturing same
US20080078536A1 (en) 2006-09-29 2008-04-03 International Truck Intellectual Property Company, Llc Corrosion resistant bi-metal charge air cooler
JP2012229853A (ja) * 2011-04-26 2012-11-22 Showa Denko Kk 熱交換器
JP6843012B2 (ja) * 2017-07-14 2021-03-17 株式会社日本クライメイトシステムズ 熱交換器用チューブ

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0567399A1 (fr) * 1992-04-21 1993-10-27 Valeo Thermique Moteur Tube d'échangeur de chaleur à dispositif perturbateur intégré
US20050161194A1 (en) * 2002-05-03 2005-07-28 Karsten Emrich Heat exchanger, in particular charge-air cooler
US20090166020A1 (en) * 2004-07-28 2009-07-02 Smith Paul R Automotive heat exchanger assemblies having internal fins and methods of making the same
CN101600931A (zh) * 2007-02-10 2009-12-09 摩丁制造公司 热交换器管道及其形成方法
CN104583703A (zh) * 2012-06-29 2015-04-29 贝洱两合公司 扁管和具有这种扁管的热交换器

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Publication number Publication date
EP3521746A1 (en) 2019-08-07
EP3521746B1 (en) 2023-04-19
CN110118504B (zh) 2023-04-28

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