EP1687583A1 - Echangeur thermique, notamment refroidisseur d'air de suralimentation pour vehicules - Google Patents

Echangeur thermique, notamment refroidisseur d'air de suralimentation pour vehicules

Info

Publication number
EP1687583A1
EP1687583A1 EP04818769A EP04818769A EP1687583A1 EP 1687583 A1 EP1687583 A1 EP 1687583A1 EP 04818769 A EP04818769 A EP 04818769A EP 04818769 A EP04818769 A EP 04818769A EP 1687583 A1 EP1687583 A1 EP 1687583A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
tube ends
flat tube
exchanger according
deflecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP04818769A
Other languages
German (de)
English (en)
Inventor
Reinhard Heine
Reinhard Kull
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mahle Behr GmbH and Co KG
Original Assignee
Behr GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP1687583A1 publication Critical patent/EP1687583A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/0282—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits by varying the geometry of conduit ends, e.g. by using inserts or attachments for modifying the pattern of flow at the conduit inlet or outlet
    • 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
    • F28D1/0535—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 the conduits having a non-circular cross-section
    • F28D1/05366—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0219—Arrangements for sealing end plates into casing or header box; Header box sub-elements
    • F28F9/0224—Header boxes formed by sealing end plates into covers
    • 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
    • F28D2021/0082—Charged air 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
    • F28F2225/00—Reinforcing means
    • F28F2225/04—Reinforcing means for conduits
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S165/00—Heat exchange
    • Y10S165/906—Reinforcement

Definitions

  • Heat exchangers in particular charge air coolers for motor vehicles
  • the invention relates to a heat exchanger, in particular a charge air cooler for motor vehicles according to the preamble of claim 1 - known from DE-A 198 57 435.
  • the tube / base connection is often designed in such a way that the tube base has openings formed as inward-directed passages, into which the tubes are inserted and protrude inward beyond the passages.
  • the pipes often flat pipes, are soldered to the passages or the floor. This geometry of the pipe / floor connection is not flow-favorable for the inflow of the heat transfer medium from the collecting box into the pipe ends, in particular in the case of charge air coolers, where the charge air has a relatively high flow rate. The problem of a relatively high pressure drop thus arises in the inlet area of the pipe ends.
  • DE-A 198 57 435 has therefore proposed a so-called deflection plate which is placed on the tube sheet and covers the areas between the passages or tube ends.
  • the baffle plate has rounded profiles so that the flow, i.e. H. the flow of the charge air is redirected and the pressure losses are reduced.
  • This deflection plate is preferably made of plastic, is placed on the metallic tube sheet and held by mechanical means. Due to the relatively high charge air temperature
  • a uniform, integrated component is provided, which both has a favorable influence on the flow in the inlet region of the tubes and also reinforces the tube ends.
  • This component thus fulfills two functions and can easily, i. H. can be assembled in one operation.
  • the integrated component is made of a metallic material, in particular an aluminum Made of material or an aluminum alloy, the reinforcing means being soldered to the flat tube ends. This results in a materially stiffening or reinforcement of the pipe / floor connection, and the risk of cracking is considerably reduced.
  • the integrated component with deflection and reinforcing means is made from a sheet metal plate, i. H. advantageously by punching, embossing and folding.
  • the integrated component has fingers or “tines” in the manner of a rake, which are inserted into the flat tubes in the area of their narrow sides.
  • the fingers or tines are connected to one another, ie from tube to tube by longitudinal webs, which are in turn physically connected to one another by crosspieces, these crosspieces covering the areas between the narrow sides of the flat tubes and thus acting as deflection elements for the flow.
  • Two adjacent crosspieces each form a kind of inlet funnel for a flat tube end. This results in a low pressure drop.
  • the integrated component extends over the entire tube sheet, so that the inlet losses for each tube are reduced uniformly, which means a lower pressure drop for the entire heat exchanger.
  • the pipes are reinforced by inserting the integrated fingers or “prongs”.
  • the component can also be designed in such a way that fingers are only intended for the critical pipe / floor connections, for example the outermost pipes would avoid unnecessary reinforcement of pipes that are not at risk and thus save weight.
  • Show it 1 is an integrated component for flow deflection and pipe reinforcement in a perspective view
  • FIG. 2 shows the component according to FIG. 1 in a side view
  • FIG. 3 shows the component in a section along the line III-III in FIG. 2
  • FIG. 4 shows a view from above of the component according to FIG. 1,
  • FIG. 5 shows a section through the component along the line V-V in FIG. 4,
  • FIG. 6 shows a detail of an intercooler with an integrated component as shown in FIG. 1,
  • FIG. 7 shows a side view of the charge air cooler according to FIG. 6,
  • FIG. 8 shows a section along the line VIII-VIII in FIG. 7,
  • Fig. 9 is a top view of the charge air cooler with an integrated component
  • Fig. 1 shows a perspective view of an integrated component 1, which is intended for a charge air cooler shown in Figures 6 to 10 and serves on the one hand to influence the charge air flow and on the other hand to reinforce the pipes of the charge air cooler.
  • the integrated component 1 essentially consists of . three elements, namely cross webs 2, longitudinal webs 3 and fingers 4.
  • the number of cross webs 2 and fingers 4 is arbitrary, ie at least one cross web 2 and at least two fingers 4 on each side, each of which is connected by a longitudinal web 3.
  • the entire integrated component 1 is preferably produced from an aluminum sheet, ie first punched out, embossed and folded from a circuit board.
  • the crosspieces 2 serve to influence the charge air flow, and the fingers 4 are used for reinforcement in the tubes.
  • FIG. 2 shows the component 1 from the side, ie with a view of the four fingers 4 which are connected to one another by the longitudinal web 3.
  • the fingers 4 have tips 4a, which are slightly chamfered for better insertion into the pipes, not shown here.
  • FIG. 3 shows a section along the line III-II in FIG. 2, ie the section runs through one of the transverse webs 2 and shows lateral angled regions 2a which merge into the longitudinal webs 3 via a 180 degree bend 2b.
  • the fingers 4 have a bevelled U-profile with lateral legs 4b, the U-profile being adapted to the inner cross section of the pipes, not shown here.
  • FIG. 4 shows a view from above of the component 1 with transverse webs 2, the legs 4b of the U-profile being visible which extend inwards from the profiled longitudinal webs 3.
  • the longitudinal webs 3 are slightly offset to the outside in the area of the transverse webs 2 as a result of the 180-degree bevels 2b - this results in the profiled profile of the longitudinal webs 3.
  • FIG. 5 shows a section along the line V-V, the bent surfaces 2a of the crossbars 3 appearing as a view.
  • the crossbars 2 have long sides 2c, which are slightly downwards, i. H. are folded in the direction of the fingers 4. This results in a slightly curved profile, i. H. a convex profile of the crosspieces 2.
  • Fig. 6 shows a section of an intercooler 5, without header box with flat tubes 6, between which corrugated fins 7 are arranged.
  • the flat tubes 6 open into a tube sheet 8, which has inwardly directed passages 9 for receiving the tubes 6.
  • the tube sheet 8 is partially covered between the passages 9 by the integrated component 1 described above by its transverse webs 2, during which fingers 4, which are not visible here, are inserted into the tubes 6.
  • Turbulence inserts 10 which can be soldered in are arranged in the interior of the tubes 6.
  • the tubes 6 are of compressed, i.e. H. hot charge air flows through, while ambient air flows over the corrugated fins 7, which serves to cool the charge air.
  • the tube sheet 8 has an edge strip 11 with longitudinal slots 12 which are used to attach one not shown here Air or collecting box serve.
  • the integrated component 1 protrudes somewhat above this edge strip 11.
  • Fig. 8 shows a section along the line VIII-VIII in Fig. 7, ie through a flat tube 6 with a .
  • Flat tube end 6b which is soldered to the passage 9 of the bottom 8.
  • the narrow sides of the passage 9 merge into an encircling groove 13, to which the upwardly placed edge strip 11 adjoins.
  • the channel 13 serves to receive a seal shown in dashed lines, onto which the charge air box 14 shown in dashed lines is placed and then crimped by means of the edge strip 11. Because of this bottom and pull-through geometry, the stress peaks mentioned at the outset result in the area of the narrow sides 6a of the tube / bottom connections.
  • the fingers 4 of the integrated component 1 are therefore used in the region of the narrow sides of the tube ends 6b.
  • the fingers 4 of the integrated component 1 are soldered to the inner wall of the tube ends 6b and thus result in an integral reinforcement in these corner regions of the tube ends 6b, ie a partial increase in the wall thickness of the flat tubes 6.
  • Fig. 9 shows a top view, i. H. in the direction of the tube sheet 8.
  • the gaps between the long sides of the flat tube ends 6b are covered by the crossbars 2 of the integrated component 1. Due to the convex profile of the crosspieces 2 described above, there is an influence on the charge air flow in the direction of the pipe ends 6b, which is particularly evident from the next figure.
  • Fig. 10 shows a section along the line XX in Fig. 9.
  • the long sides 2c thus form a kind of inlet funnel or inlet nozzle for each tube end 6b, as a result of which the flow losses when the charge air flows into the tube ends 6a are considerably reduced.
  • Passages 9 each have a bead 15 running in the transverse direction of the base, which is approximately U-shaped due to the long sides of the passages 9.
  • These transverse beads 15 would cause a considerable swirling of the charge air when it flows into the pipe ends 6b.
  • the length of the integrated component ie the number of crossbars and fingers
  • the pipe ends that are subjected to the greatest stress are generally in the outer or outermost regions of the pipe base, so that an integrated component with, for example, three to five transverse webs would be sufficient.
  • the fingers can be removed in the central area of the integrated component, ie cut off during manufacture, so that the medium, less stressed tubes are not reinforced.
  • the integrated component according to the invention can be designed variably and can be adapted to the respective stresses of the charge air cooler or heat exchanger.

Landscapes

  • 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)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Abstract

L'invention concerne un échangeur thermique, notamment un refroidisseur d'air de suralimentation (5) pour des véhicules, cet échangeur thermique comprenant un bloc d'échange thermique, constitué par des tuyaux plats (6) comportant des extrémités et des nervures (7), et des plaques tubulaires (8) dotées de traverses (9), dans lesquelles les extrémités du tuyaux plats sont logées et soudées. L'échangeur thermique comporte aussi des cuves collectrices placées sur les plaques tubulaires (8) et des moyens pour dévier l'écoulement dans la zone d'admission des extrémités de tuyaux plats. L'invention est caractérisée en ce que les moyens pour dévier l'écoulement (moyens de déviation 2) et des moyens pour renforcer les extrémités de tuyaux plats (moyens de renforcement) constituent un élément (1) faisant partie intégrante de l'ensemble.
EP04818769A 2003-11-20 2004-11-10 Echangeur thermique, notamment refroidisseur d'air de suralimentation pour vehicules Withdrawn EP1687583A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10354382A DE10354382A1 (de) 2003-11-20 2003-11-20 Wärmeübertrager, insbesondere Ladeluftkühler für Kraftfahrzeuge
PCT/EP2004/012720 WO2005050120A1 (fr) 2003-11-20 2004-11-10 Echangeur thermique, notamment refroidisseur d'air de suralimentation pour vehicules

Publications (1)

Publication Number Publication Date
EP1687583A1 true EP1687583A1 (fr) 2006-08-09

Family

ID=34585221

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04818769A Withdrawn EP1687583A1 (fr) 2003-11-20 2004-11-10 Echangeur thermique, notamment refroidisseur d'air de suralimentation pour vehicules

Country Status (7)

Country Link
US (1) US7413005B2 (fr)
EP (1) EP1687583A1 (fr)
JP (1) JP4460583B2 (fr)
CN (1) CN1882818B (fr)
BR (1) BRPI0416772A (fr)
DE (1) DE10354382A1 (fr)
WO (1) WO2005050120A1 (fr)

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EP1764570A1 (fr) * 2005-09-17 2007-03-21 Modine Manufacturing Company Echangeur de chaleur entierement métallique
US20090183864A1 (en) * 2006-06-01 2009-07-23 Behr Gmbh & Co. Kg Heat exchanger, in particular an intercooler, comprising a reinforced pipe base
EP1923654B1 (fr) * 2006-11-18 2010-02-03 Modine Manufacturing Company Échangeur de chaleur
EP1923653B1 (fr) * 2006-11-14 2010-02-03 Modine Manufacturing Company Échangeur de chaleur
JP5185655B2 (ja) * 2008-02-27 2013-04-17 株式会社ティラド 熱交換器のチューブ接続構造
US8225852B2 (en) 2008-04-30 2012-07-24 Dana Canada Corporation Heat exchanger using air and liquid as coolants
JP5443093B2 (ja) * 2009-08-07 2014-03-19 株式会社ティラド 熱交換器の補強構造
DE102009056509A1 (de) * 2009-12-02 2011-06-09 Behr Industry Gmbh & Co. Kg Wärmetauscher mit formschlüssig festgelegtem Sammlerkasten
US8656988B1 (en) 2010-03-03 2014-02-25 Adams Thermal Systems, Inc. External reinforcement of connections between header tanks and tubes in heat exchangers
US9309839B2 (en) 2010-03-18 2016-04-12 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
AU2011201083B2 (en) 2010-03-18 2013-12-05 Modine Manufacturing Company Heat exchanger and method of manufacturing the same
DE102010063602A1 (de) * 2010-12-20 2012-06-21 Behr Gmbh & Co. Kg Saugrohr mit integriertem Ladeluftkühler
KR101396424B1 (ko) * 2011-08-24 2014-05-19 한라비스테온공조 주식회사 열교환기
EP2647941A1 (fr) 2012-04-05 2013-10-09 Alfa Laval Corporate AB Échangeur thermique à plaque
FR2989766B1 (fr) * 2012-04-19 2018-04-27 Valeo Systemes Thermiques Faisceau d'echange de chaleur pour echangeur de chaleur et echangeur de chaleur comprenant ledit faisceau
DE102013210128A1 (de) * 2013-03-05 2014-09-11 Continental Automotive Gmbh Einstückig ausgebildete Stromsensorvorrichtung
KR101971483B1 (ko) * 2013-12-17 2019-04-23 한온시스템 주식회사 열교환기
US20150300757A1 (en) * 2014-04-17 2015-10-22 Enterex America LLC Heat exchanger tube insert
DE202014103206U1 (de) * 2014-07-11 2015-10-14 Autokühler GmbH & Co. KG Wärmeaustauscher
JP6428550B2 (ja) * 2015-09-30 2018-11-28 コベルコ建機株式会社 熱交換器
FR3054652B1 (fr) * 2016-07-29 2019-07-05 Valeo Systemes Thermiques Boite collectrice, moyen d’etancheite et echangeur thermique correspondant
FR3056723B1 (fr) * 2016-09-28 2018-09-14 Valeo Systemes Thermiques Echangeur thermique, notamment pour vehicule automobile
TWM550369U (zh) * 2017-07-25 2017-10-11 Cryomax Cooling System Corp 水管加強連結片組
US11143463B2 (en) 2017-09-01 2021-10-12 Denso International America, Inc. Thermal stress relief stiffener
US11150039B2 (en) * 2018-07-03 2021-10-19 Denso International America, Inc. Radiator tube insert
US11073345B2 (en) 2018-10-31 2021-07-27 Hanon Systems Heat exchanger header with stiffening element
EP3726176B1 (fr) * 2019-04-15 2023-11-08 Borgwarner Emissions Systems Spain, S.L.U. Ensemble échangeur de chaleur de recirculation de gaz d'échappement
EP3825635A1 (fr) * 2019-11-19 2021-05-26 Valeo Autosystemy SP. Z.O.O. Renfort pour échangeur de chaleur
EP3825634B1 (fr) * 2019-11-19 2023-07-12 Valeo Autosystemy SP. Z.O.O. Renfort pour un échangeur de chaleur
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CN112944999A (zh) * 2021-03-03 2021-06-11 浙江银轮机械股份有限公司 主板组件及换热器

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Also Published As

Publication number Publication date
US20070144718A1 (en) 2007-06-28
BRPI0416772A (pt) 2007-02-27
DE10354382A1 (de) 2005-06-16
WO2005050120A1 (fr) 2005-06-02
JP4460583B2 (ja) 2010-05-12
US7413005B2 (en) 2008-08-19
CN1882818A (zh) 2006-12-20
CN1882818B (zh) 2010-10-13
JP2007511733A (ja) 2007-05-10

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