EP1518084A1 - Echangeur thermique a plaques empilees - Google Patents

Echangeur thermique a plaques empilees

Info

Publication number
EP1518084A1
EP1518084A1 EP03760681A EP03760681A EP1518084A1 EP 1518084 A1 EP1518084 A1 EP 1518084A1 EP 03760681 A EP03760681 A EP 03760681A EP 03760681 A EP03760681 A EP 03760681A EP 1518084 A1 EP1518084 A1 EP 1518084A1
Authority
EP
European Patent Office
Prior art keywords
height
plate
heat exchanger
plates
edge
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.)
Granted
Application number
EP03760681A
Other languages
German (de)
English (en)
Other versions
EP1518084B1 (fr
Inventor
Daniel Hendrix
Florian Moldovan
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 EP1518084A1 publication Critical patent/EP1518084A1/fr
Application granted granted Critical
Publication of EP1518084B1 publication Critical patent/EP1518084B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • 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
    • Y10S165/916—Oil cooler

Definitions

  • the invention relates to a plate heat exchanger in stack construction according to the preamble of claim 1 and known from DE-A 195
  • Plate heat exchangers in stack construction are known, for. Example by the DE-A 43 14 808 and DE-A 197 50 748, in each case by the applicant.
  • this known type of heat exchanger basically identical plates of a single type are used in order to achieve a high number of identical parts. This results in the media involved in the heat exchange, z. As oil and coolant same channel height, d. H. the same flow cross-section. The different heat transfer conditions of the different media can by different, d. H. adapted turbulence inserts are encountered between the plates.
  • different plate types ie of two types are used, so that results in about twice the channel height as for the coolant channels for the flow channels through which charge air flows.
  • the two different types of plates have perpendicular to the plate bottom established, provided with a shoulder edges, which stacking these plates serve the circumferential paragraphs as a support and stop surface for adjacent plates.
  • the plate edges are soldered together in the overlapping, vertically positioned areas - this requires a defined, relatively narrow tolerance gap, otherwise the soldering is not tight. In this respect, this design is characterized by an increased production and cost.
  • the edges of both the first and the second plate type are inclined relative to the plate bottom, ie with a flank angle ⁇ , which allows easy stacking of the plates. Due to the taper of the edges or flanks, it is possible to compensate for manufacturing inaccuracies by means of elastic deformation.
  • the edge formation according to the invention of the second plate type achieves a flow channel with a larger channel height. This happens because the edge region of the second plate type has a first and a third flank section as well as a middle or second section extending perpendicularly to the plate plate, which is decisive for the channel height.
  • the plates are made by deep drawing, in several steps - so far, the production cost is relatively low.
  • the plates of the first and second types are stacked in an alternating order, so that in each case one channel alternates less with a channel of greater height.
  • z. B. two or ⁇ multiple channels are acted upon in parallel by a flow medium.
  • the edge of the first plate type has an insertion flank with a larger flank angle than the flank section adjoining the plate bottom.
  • the second plate type is also provided with a Ein 1500flanke, which also brings the aforementioned advantages of improved assembly and soldering with it.
  • means for generating turbulences for example, in the flow channels
  • an improved heat transfer is achieved by swirling of the media and increased pressure resistance of the plate stack.
  • the turbulence inserts define by their height the distance of the plates and thus the channel height.
  • FIG. 1 shows a section in the plane II of FIG. 2 through a plate heat exchanger in stack construction according to the prior art • (left half) and according to the invention (right half), 2 is a top view in schematic (not complete) view of the plate heat exchanger,
  • FIG. 3 shows a sketch for calculating the flank angle ⁇ of the plate edges
  • FIG. 4 shows a schematic representation of the edge regions according to the invention of a first and a second plate type.
  • Fig. 1 shows a section along the plane ll (Fig. 2) by a plate heat exchanger 1
  • the left side L shows a training according to the prior art according to DE-A 195 11 991 of the Applicant and its right half R
  • the inventive design of Plate heat exchanger 1 reproduces.
  • This consists of two different types of plates, namely a plate 2 lesser height and a plate 3 of greater height.
  • Both plate types 2, 3 each have a flat bottom 2a, 3a and a raised edge 2b, 3b, which in terms of its geometric
  • the plates 2, 3 are stacked in a known manner and form flow channels 4 of height h and flow channels 5 of height H, ie with different channel height (H> h).
  • 5 turbulence inserts 6, 7 are arranged in the illustrated embodiment, which fill the channel cross-section and are soldered to the adjacent plate bottoms 2a, 3a.
  • the flow channels 4 are connected to a distribution channel 8 in connection, which is arranged in alignment with an inlet connection 9 for a first medium.
  • the flow channels 5 with the larger channel height H are connected to a distribution channel 10 in connection, which is arranged in alignment with an inlet connection 11 of a second medium.
  • the first medium which enters through the inlet nozzle 9 in the plate heat exchanger 1, is a coolant of a coolant circuit, not shown, of an internal combustion engine of a motor vehicle, while the second medium, which enters through the inlet nozzle 11 in the plate heat exchanger 1, which is compressed by a compressor, not shown and thus heated charge air, which is cooled in this plate heat exchanger by the coolant and then fed to the internal combustion engine, not shown.
  • the other components of this plate heat exchanger such as annular spacers 12 and 13 of different height for the low flow channels. 4 and the higher flow channels 5, as well as a lower end plate 14 and an upper end plate 15 correspond to the known prior art.
  • Fig. 2 shows a view of the plate heat exchanger 1 according to FIG. 1 from above with a view of the charge air inlet nozzle 11 - the coolant inlet nozzle 9 is hidden and therefore shown in dashed lines.
  • a coolant outlet pipe 16 is further arranged, while a charge air outlet nozzle 17 by dashed lines (because hidden) is shown.
  • the charge air thus flows on the one hand diagonally from the inlet nozzle 11 through the flow channels 5 to the outlet nozzle 17 and the other from top to bottom through the plate heat exchanger 1.
  • the coolant from the inlet nozzle 9 also flows diagonally through the flow channels 4 to the outlet nozzle 16, but from bottom to top.
  • Other flow forms according to the mentioned prior art are possible.
  • All parts of the illustrated plate heat exchanger 1 are preferably made of an aluminum alloy, are solder-plated and are soldered together, as well as the conically shaped edge regions 2b with the edge regions 3b.
  • the conicity of these edge regions 2b, 3b will be described in more detail below.
  • Fig. 3 shows a sketch with a first plate 20 and a second plate 21, which are stacked in one another.
  • the plates 20, 21 each have a flat bottom 20a, 21a and obliquely erected peripheral edge portions 20b, 21b, which are inclined at an obtuse angle y relative to the bottoms 20a, 21a.
  • the obtuse angle y is in this case composed of a sum of 90 ° plus an angle ⁇ .
  • the plates 20, 21 each have a wall thickness s in the bottom and edge region, the channel height between the plates 20, 21 is indicated by h.
  • the intersections of the drawn lines A, B, C as well as the intersections A, C, D each form right triangles.
  • the distance AC results as the sum of s plus h, while the distance AD corresponds to the wall thickness s.
  • This results in the following angular relationship: sin ⁇ s / (s + h); thus results from the choice of the wall thickness s and the channel height h of the so-called flank angle ⁇ .
  • the condition is that the point A is located vertically above the point C.
  • Fig. 4 shows a schematic sketch of the two plate types, d. H. a plate 23 of the first type, shown individually on the left side, and a plate 24 of the second type, shown individually on the right; the assembly of both plates 23, 24 is shown in the middle of Fig. 4, wherein a
  • Flow channel 25 of the height h (for the coolant) and a flow channel 26 of the height H (for the charge air) results.
  • the representation shows that H> h; the plates being chosen such that the ratio of the channel height H to the channel height h is in a range of 1.5 to 10, preferably in a range between 2 and 6.
  • the plates 23, 24 correspond to the plates 2, 3 in FIG. 1.
  • the left single, partially shown plate 23 has a circumferential first edge portion 23a with a height h1 and a flank angle ⁇ . At this first section 23a is followed by a second section 23b of height h2 with a flank angle ⁇ , where ⁇ > ⁇ . This second portion 23b forms a so-called Ein Industriesflanke due to the larger angle ß.
  • the plate 24 of the second type is shown individually; it has a plate bottom 24e and four adjoining sections, namely a first section 24a of height H1 with a flank angle ⁇ , a second section 24b of height H2 with a flank angle of 0 degrees, a third section 24c of height H3 with a flank angle ⁇ and a fourth section 24d of height H4 with a flank entry angle ⁇ .
  • the second section 24b is therefore not inclined, but runs perpendicular to the plate bottom 24e.
  • the image shown in the middle of FIG. 4 results in different channel heights h and H for the stacking of these plates Coolant channel 25 and the charge air channel 26.
  • the plates 23, 24 are with their conical edge regions, ie the inclined at the angle ⁇ flanks in the areas 27, 28 parallel to each other and to each other and are soldered in these areas.
  • the respectively subsequent insertion flank region 23b or 24d serves to facilitate assembly and at the same time leads to improved soldering - owing to the widened solder gap.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

L'invention concerne un échangeur thermique à plaques empilées, composé d'une pluralité de plaques (23, 24) en forme de cuvettes empilées les unes dans les autres, ces plaques étant d'un premier et d'un deuxième type. Lesdites plaques, qui forment entre elles des canaux d'écoulement (25, 26) d'une première hauteur h pour un premier agent et d'une deuxième hauteur H pour un deuxième agent, comportent sur leur pourtour des bords soudés ensemble de différente hauteur pour le premier type de plaque et pour le deuxième type de plaque. Selon l'invention, le premier type de plaque (23) a un bord (23a) de hauteur h1 avec un angle de chanfrein α et le deuxième type de plaque (24) présente un bord plus élevé qui se compose d'au moins trois segments (24a, 24b, 24c) de hauteur H1, H2 et H3. Le premier segment de bord (24a) de hauteur H1 et le troisième segment de bord (24c) de hauteur H3 ont chacun un angle de chanfrein α, alors que le deuxième segment de bord (24b) de hauteur H2 est perpendiculaire au fond de plaque (24e).
EP03760681A 2002-06-25 2003-06-23 Echangeur thermique a plaques empilees Expired - Lifetime EP1518084B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10228263A DE10228263A1 (de) 2002-06-25 2002-06-25 Plattenwärmetauscher in Stapelbauweise
DE10228263 2002-06-25
PCT/EP2003/006579 WO2004001315A1 (fr) 2002-06-25 2003-06-23 Echangeur thermique a plaques empilees

Publications (2)

Publication Number Publication Date
EP1518084A1 true EP1518084A1 (fr) 2005-03-30
EP1518084B1 EP1518084B1 (fr) 2006-11-29

Family

ID=29761383

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03760681A Expired - Lifetime EP1518084B1 (fr) 2002-06-25 2003-06-23 Echangeur thermique a plaques empilees

Country Status (9)

Country Link
US (1) US7426957B2 (fr)
EP (1) EP1518084B1 (fr)
JP (1) JP4445384B2 (fr)
CN (1) CN1329705C (fr)
AT (1) ATE347082T1 (fr)
AU (1) AU2003250843A1 (fr)
DE (2) DE10228263A1 (fr)
ES (1) ES2276108T3 (fr)
WO (1) WO2004001315A1 (fr)

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SE527716C2 (sv) * 2004-04-08 2006-05-23 Swep Int Ab Plattvärmeväxlare
EP3276291B1 (fr) * 2005-10-05 2019-07-24 Dana Canada Corporation Échangeur thermique à plaques embouties avec élément de renfort
SE532345C2 (sv) * 2007-12-21 2009-12-22 Alfa Laval Corp Ab Värmeväxlarplatta, värmeväxlarkassett och värmeväxlare med packningsspår
FR2931542A1 (fr) * 2008-05-22 2009-11-27 Valeo Systemes Thermiques Echangeur de chaleur a plaques, notamment pour vehicules automobiles
SE533067C2 (sv) * 2008-10-03 2010-06-22 Alfa Laval Corp Ab Plattvärmeväxlare
AT508537B1 (de) 2009-07-16 2011-04-15 Mahle Int Gmbh Plattenwärmetauscher mit mehreren übereinander gestapelten platten
US8931546B2 (en) * 2010-03-29 2015-01-13 Hamilton Sundstrand Space Sytems International, Inc. Compact two sided cold plate with threaded inserts
SE534918C2 (sv) * 2010-06-24 2012-02-14 Alfa Laval Corp Ab Värmeväxlarplatta och plattvärmeväxlare
JP5629558B2 (ja) * 2010-11-15 2014-11-19 トヨタ自動車株式会社 車両用熱交換器
JP5298100B2 (ja) * 2010-11-15 2013-09-25 トヨタ自動車株式会社 車両用熱交換器
JP5838048B2 (ja) * 2011-06-24 2015-12-24 株式会社マーレ フィルターシステムズ オイルクーラ
DE102012202276A1 (de) * 2012-02-15 2013-08-22 Mahle International Gmbh Plattenwärmetauscher
CN104641196B (zh) * 2012-09-17 2018-05-18 马勒国际公司 热交换器
US20140238386A1 (en) * 2013-02-23 2014-08-28 Alexander Levin Radiation absorbing metal pipe
CN105074375B (zh) 2013-02-27 2018-05-15 株式会社电装 层叠型热交换器
CN103471434B (zh) * 2013-09-25 2017-12-01 缪志先 相同板片材料厚度不同板间距流道高度的盒形层叠换热器
CN103486887B (zh) * 2013-09-25 2018-03-06 缪志先 有梳形垫板的盒形层叠换热器
CN103499227B (zh) * 2013-09-25 2018-03-06 缪志先 相互换热的介质之一具有多流道的盒形层叠换热器
CN103486886B (zh) * 2013-09-25 2018-02-27 缪志先 不同板材厚度不同板间距流道高度的盒形层叠换热器
MX2018014166A (es) 2016-05-20 2019-08-21 Modine Mfg Co Intercambiador de calor y sistema de intercambio de calor.
ES2664103B1 (es) * 2016-10-17 2019-01-30 Valeo Termico Sa Placa de apilamiento para un intercambiador de calor de placas apiladas y un intercambiador de calor de placas apiladas
US12044487B2 (en) * 2018-03-27 2024-07-23 Lg Electronics Inc. Plate-type heat exchanger and a method for manufacturing same
CN110657692B (zh) * 2018-06-29 2020-12-08 浙江三花汽车零部件有限公司 一种换热器
US12046729B2 (en) * 2019-12-17 2024-07-23 Ford Global Technologies, Llc Vehicle structural member with battery chiller
JPWO2023095930A1 (fr) * 2021-11-29 2023-06-01
CN115451734A (zh) * 2022-09-21 2022-12-09 聊城市吉星新能源科技有限公司 一种防串流换热器

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Also Published As

Publication number Publication date
CN1329705C (zh) 2007-08-01
ATE347082T1 (de) 2006-12-15
EP1518084B1 (fr) 2006-11-29
AU2003250843A1 (en) 2004-01-06
WO2004001315A1 (fr) 2003-12-31
US20050241814A1 (en) 2005-11-03
CN1653309A (zh) 2005-08-10
US7426957B2 (en) 2008-09-23
JP4445384B2 (ja) 2010-04-07
JP2005530979A (ja) 2005-10-13
DE50305856D1 (de) 2007-01-11
ES2276108T3 (es) 2007-06-16
DE10228263A1 (de) 2004-01-22

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