EP2498040A2 - Échangeur thermique et procédé de fabrication d'un échangeur thermique - Google Patents

Échangeur thermique et procédé de fabrication d'un échangeur thermique Download PDF

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Publication number
EP2498040A2
EP2498040A2 EP12158321A EP12158321A EP2498040A2 EP 2498040 A2 EP2498040 A2 EP 2498040A2 EP 12158321 A EP12158321 A EP 12158321A EP 12158321 A EP12158321 A EP 12158321A EP 2498040 A2 EP2498040 A2 EP 2498040A2
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
receiving grooves
bottom element
side wall
cover
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
EP12158321A
Other languages
German (de)
English (en)
Other versions
EP2498040A3 (fr
EP2498040B1 (fr
Inventor
Harald Bronner
Markus Hübsch
Markus Gutjahr
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
Priority claimed from DE102011005168A external-priority patent/DE102011005168A1/de
Application filed by Behr GmbH and Co KG filed Critical Behr GmbH and Co KG
Publication of EP2498040A2 publication Critical patent/EP2498040A2/fr
Publication of EP2498040A3 publication Critical patent/EP2498040A3/fr
Application granted granted Critical
Publication of EP2498040B1 publication Critical patent/EP2498040B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F28F9/0219—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
    • F28F9/0226—Header boxes formed by sealing end plates into covers with resilient gaskets
    • 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

Definitions

  • the present invention relates to a heat exchanger and a method of manufacturing a heat exchanger according to the independent claims.
  • the connection of a coolant box with a tube sheet with tube openings or passages of a heat exchanger requires a reliable seal between the two said elements, such as box and floor to prevent leakage of the coolant and thus a possible failure of the heat exchanger or the unit to be cooled.
  • the DE 4243495 84 shows to solve such a problem, a seal for a heat exchanger, in particular for motor vehicles, wherein the heat exchanger is provided with a water box and a tube bottom, with a rectangular contour, which is formed as a one-piece molded part and can be inserted into a circumferential groove of the tube sheet, said At the corners of the seal in each case a tensioning aid is formed, which can be suspended in Eckschlitzen one of the tube sheet.
  • a punching tool for a bottom and side part size or a complex family tool is required, in particular if the tubesheets for several different heat exchangers with different dimensions, i. in different lengths, to be made.
  • a circumferential gutter at the bottom does not allow for a fully flexible manufacturing concept. So far, rather a punching tool or a family tool must be created for each tube sheet, which must be rebuilt consuming a limited number of other lengths. It is also required for each floor, and 9.teilcross a strip material. This means a manufacturing technically complex production of the circumferential gutter, with a production-related minimum distance from the side panel or pipe to the gutter. It is thus a distance between the first and last pipe (or side part) provided to the gutter.
  • the present invention is based on the finding that now for precise sealing of the tube sheet with the cover element no around the tube sheet (ie the bottom element) circumferential groove needs to be provided, in which a sealing element, for example in the form of a circumferential sealing ring is inserted and on the then the lid member is placed or pressed. Rather, a floor element can now be used which is manufactured by the meter and which is cut to size in accordance with the heat exchangers to be produced. It is now the circumferential sealing element placed in two opposite grooves and is additionally guided at the ends of these grooves over a surface of the bottom element.
  • the lid member has side projections to press on the sealing member on a long side in the receiving grooves and to press on a narrow side, the sealing element by an edge of the lid member on the surface of the bottom member.
  • the present invention offers the advantage that a much simpler manufacturing option for the production of heat exchangers with different dimensions is given.
  • it can be avoided that separate production tools or tool families that are difficult to change have to be provided for the different heat exchangers.
  • in this way can be realized by avoiding set-up times in the conversion of manufacturing tools, a reduction in the production time for such a heat exchanger and thus a reduction in the production cost of such a heat exchanger.
  • a main or long side can be understood to mean one side of the floor element that is longer than another side of the floor element.
  • the bottom element may have a plurality of openings, which are designed for the passage of cooling lines, wherein at least one side wall of the heat exchanger is provided, which extends through one of the openings of the bottom element.
  • a side wall of the heat exchanger structurally very easy to be attached to the heat exchanger.
  • a finely graded determination of an overall length of the heat exchanger is possible, especially if the openings in the bottom element are very close to each other.
  • the side wall has a flange to engage behind the lid member and to press the lid member together with the sealing element to a surface of the bottom element.
  • the side wall with respect to the receiving grooves may be arranged at an angle, in particular, the side wall may be arranged at a right angle to the receiving grooves.
  • An especially efficient embodiment of the present invention can be realized when further comprising a second side wall of the heat exchanger opposite the side wall extending through another of the openings of the bottom member.
  • a second side wall of the heat exchanger opposite the side wall extending through another of the openings of the bottom member is limited by such a side wall inserted through the openings of the bottom element.
  • the lid member may be made of a material comprising plastic, in particular wherein the lid member is made entirely of plastic.
  • a cover element can be used which on the one hand can be made of a low-cost material, and on the other hand an additional manufacturing step such as the separate welding of the cover element to the floor element can be avoided, thereby reducing the production costs for can further reduce such a heat exchanger.
  • At least one conduit for guiding a Temper michsmediums can be passed through an opening of the bottom element to fluidly contact a space between the bottom element and the lid member, in particular wherein a plurality of lines for guiding the Temper michsmediums through different openings of the bottom element are guided.
  • At least one receiving groove having an edge which is at least partially bent to a part of the To engage behind side projections and thereby to press the cover element together with the sealing element in the receiving groove of the bottom element.
  • a fixing which may be embodied, for example, in a Burgzinnen flanging method or in a Wellschlitzbacter.
  • Fig. 1 shows an end view of a heat exchanger 100 according to an embodiment of the present invention. It is in the Fig. 1 a bottom member 110 shown, for example, a tube sheet with in Fig. 1 Having openings, not shown, for the passage of lines for a coolant and / or refrigerant.
  • the bottom element 110 has at two opposite ends in each case a receiving groove 120 into which a sealing element 130 is inserted.
  • the sealing element 130 is a circumferential (ie annular) sealing element, wherein the sealing element 130 has no circular shape, but approximately a rectangular shape with rounded corners, which will be explained in more detail in the following description.
  • the sealing element 130 is inserted into the receiving grooves 120 and has a portion 140 which extend at one end of the bottom member 110 between the receiving grooves 120 on a surface of the bottom member 110.
  • the heat exchanger 100 comprises a cover element 150, which serves, for example, as a coolant box.
  • This cover element 150 has on two opposite sides in each case a side projection 160, which in each case to an adjacent portion of the sealing element 130 in the corresponding receiving grooves 120 presses.
  • the heat exchanger 100 comprises a side part 170 (or also a (side wall) which is aligned substantially perpendicular to the longitudinal extent of the receiving ears 120.
  • the side part is hereby connected by a slot Fig. 1 Not shown in detail opening of the bottom member 110 out and fixed over bent or crimped portions 175 an edge 180 of the lid member 150 on pressure on the lying on the surface of the bottom member 110 between the receiving grooves 120 section 140 of the sealing member 130th
  • Fig. 2 shows a side view of the heat exchanger 100 from Fig. 1 , It can be seen that the side part 170 (corresponding to the dashed partial view) is guided through an opening of the bottom member 110 and the partial areas 175 of the side part 170 engage behind the fire 180 of the lid member 150 from above and thus the lid member 150 on the bottom member 110 (with intermediate, but in Fig. 2 not shown sealing element) fix. Furthermore, from the Fig. 2 it can be seen that the receiving grooves 120 extend along a long or main side of the bottom member 110, that is, along a side that is longer than another side of the bottom member 110, such as the side on which the side member 170 is disposed.
  • Fig. 3 shows a plan view of the heat exchanger Fig. 1 , From the Fig. 3 It is apparent that both the partial areas at 175 of the side part and portions 165 of the edge of the receiving grooves 120 are bent or crimped, such as using a Burgzinnen method or a Wellschlitzvons. In this way, the lid member 150, the side part 170 and the bottom member 110 with the in Fig. 3 not shown Seal are connected, so that a connection region between the cover member 150, the side part 170 and the bottom member 110 can be made permanently fluid-tight. Furthermore, in the Fig. 3 a first step line AA through the cover element 150, an edge 180 of the cover element 150, a partial region 175 of the side part and the bottom element 110 are shown.
  • the heat exchanger 100 has at the left edge of the picture Fig. 3 a in the Fig. 3 on the right edge of the image corresponding to the heat exchanger 100, even if this in the Fig. 3 for reasons of clarity is not shown in detail. This means that even on a side part 170 in Fig.
  • a side wall is provided to terminate the heat exchanger, which is also passed into an opening of the bottom member 110 and engages by a bend of a portion of this side wall edge of the cover member 150 and thus a fluid-tight connection between the cover member 150 and the bottom element 110 creates.
  • a portion of the sealing element 130 between the receiving grooves 120 may be guided over a surface of the bottom member 110 and clamped between the edge of the cover member 150 and the bottom member 110.
  • a sealing element 130 is used, which is circumferential, that is, in addition to the sections which are inserted into the receiving grooves 120 and sections, such as in Fig. 1 shown portion 140, which connect the two strands, which are inserted into the receiving grooves 120 at both ends. In this way, an approximately rectangular-shaped shape of the circumferential sealing element 130 is obtained, the
  • Fig. 4 shows a sectional view through the heat exchanger 100 according to the in Fig. 3 illustrated section line AA.
  • Fig. 4 clearly recognize that the side part 170 through an opening 400 of the bottom element 110 is guided and a portion 175 of this side part 170 is bent to the edge 180 of the lid member 150 from above the rear of this, and thus to press the fire 180 of the cover member 150 to the seal or the sealing element 130.
  • a fluid-tight connection is created between the cover element 150 and the bottom element 110, so that an interior 410 between the cover element 150 and the bottom element 110 can be secured fluid-tight with respect to an external environment 420 around the cover element 150.
  • FIG. 4 shows a sectional view through the heat exchanger 100 according to the in Fig. 3 illustrated section line AA.
  • the cover element 150 can act, for example, as a coolant box, in particular if the temperature control medium flowing through the pipelines 430 is a coolant.
  • Fig. 5 shows a sectional view through the heat exchanger 100 according to a in Fig. 3 illustrated section line BB.
  • Fig. 5 it can again be seen that the partial regions 175 of the side part 170 engage behind the edge 180 of the cover element 150 from above and press on a section 140 of the sealing element 130 which extends over a surface of the bottom element 110 between the two opposite receiving grooves 120.
  • the above-presented approach now offers the possibility of using a unitary floor element 110, for example as a piece, for the production of different heat exchangers 100, without requiring a specific shape of a circumferential groove around all sides of the floor element 110. Rather, the bottom element can be cut in accordance with the variant of the heat exchanger to be produced, wherein at least one additional opening of the bottom element should not be occupied on each end face with pipes, as in these additional openings, the side part is inserted. Furthermore, for the different variants of Heat exchanger different cover elements are used, which are made for example of low-priced plastic material or include this.
  • the sealing element which has a partial area which is guided over a surface of the floor element, that a fluid-tight connection is formed between the cover element 150 and the floor element 110.
  • An elaborate process step of welding the cover element 150 to the bottom element 110 can thus be dispensed with, whereby the approach presented here is more cost-effective.
  • the two receiving grooves 120 running parallel on opposite long sides of the bottom element 110 are thus open on the end faces on which the one or more side parts 170 are arranged.
  • Fig. 6 shows a flowchart of an embodiment of the inventive method 600 for producing a heat exchanger.
  • the method comprises a step of providing 610 a floor element having two separate, in particular non-circumferential grooves arranged on two opposite sides of the floor elements, further comprising a cover element having side projections on two opposite sides and a circumferential sealing element to be provided.
  • the method 600 comprises a step of arranging 620 the sealing element in the two receiving grooves and on a surface of the bottom element between the receiving grooves.
  • the method 600 includes a step of placing the lid member 630 on the sealing member such that the sealing member is between the bottom member and the side protrusions of the lid member between the receiving grooves and the side protrusions extend along the receiving grooves extend into it.
  • the placement of the cover element on the sealing element can also be carried out such that an edge of the cover element presses on a portion of the sealing element, which is arranged on a surface of the bottom element outside of the receiving grooves.
  • bending of one or more subregions of the side part over an edge of the cover element for fixing the cover element on the sealing element and the floor element can also take place.
  • a bending of one or more portions of the edge of one or at the receiving grooves on the side protrusions of the lid member done to also ensure a fixation of the lid member on the sealing element in the receiving grooves with the bottom element.
  • the bottom and side panel can thus be made with a fully flexible punching tool without circumferential gutter, and the water tank are closed at the front end with an inserted through the first and last tube slot side panel.
  • pressure can be exerted on the seal in spite of the absence of the end face on the floor (that is, the floor element).
  • Fig. 7 shows an end view of a heat exchanger 200 according to the invention according to another embodiment of the present invention. It is in the Fig. 7 a floor element, such as tube sheet, 210 shown in FIG Fig. 7 not shown openings for the passage of pipes or lines for a coolant and / or refrigerant has.
  • a floor element such as tube sheet, 210 shown in FIG Fig. 7 not shown openings for the passage of pipes or lines for a coolant and / or refrigerant has.
  • the bottom element 210 has on two opposite sides or ends in each case a receiving groove 220 into which a sealing element 230 is inserted.
  • the heat exchanger 200 has a holding element 240, which is aligned substantially perpendicular to the longitudinal extent of the receiving grooves 220.
  • the holding element 240 by an in Fig. 7 Not shown in detail opening of the bottom member 110 out and fixed over bent or beaded portions 275 an edge 280 of the lid member 250 on pressure on the lying on the surface of the bottom member 210 between the receiving grooves 220 portion 240 of the sealing member 230th
  • the holding element 240 is formed as a short strip-shaped component, which is formed for example as a metallic strip and is provided with at least one projection, here shown with two projections.
  • the at least one projection protrudes 275 through an opening of the green floor from the bottom to the top and can be bent or flanged at the top or at the top.
  • the FIG. 8 shows the holding member 240 in section as a narrow strip which is inserted into a passage of a pipe opening therethrough. In this case, the holding element is wider below the passage and is supported from below at the edge of the pipe opening. At the upper end of the holding member 240 is bent, so that the bent portion of the holding element at a shoulder the lid of the water box comes to rest and this applied downward in the direction of the tubesheet.
  • FIGS. 9 to 12 show a tube sheet 300 in a view, top view or in section along the lines AA and BB.
  • the tube plate 300 is formed of openings 310 and bottom portions 320 therebetween, wherein recesses or grooves 330 are provided on the two longitudinal sides, the openings extend transversely to the recesses arranged on the longitudinal sides.
  • the openings are provided with raised passages as boundary.
  • the tube bottom 300 has a transition 340 between the plane of the depression or groove 330 or the bottom of the depression and the plane of the region 320 between the tube openings.
  • two contours are realized, so that firstly the section AA of FIG. 10 as he is in FIG. 11 is shown is realized. Furthermore, the contour is realized in the vicinity of the passage along the line BB, which in FIG. 12 is shown.
  • the cut AA the FIG. 11 shows that the transition 340 between the bottom of the recess 330 and the area between the openings 320 is formed in a slope and thereby increases at an angle.
  • the angle is preferably between 35 ° and 90 °.
  • the cut BB of the FIG. 12 shows that the transition 340 between the bottom of the recess 330 and the region of the passage at the openings 320 is designed in a paragraph which corresponds approximately to a right angle.

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  • 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)
EP12158321.5A 2011-03-07 2012-03-06 Échangeur thermique et procédé de fabrication d'un échangeur thermique Active EP2498040B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011005168A DE102011005168A1 (de) 2011-03-07 2011-03-07 Wärmetauscher und Verfahren zur Herstellung eines Wärmetauschers
DE102011110635 2011-08-18

Publications (3)

Publication Number Publication Date
EP2498040A2 true EP2498040A2 (fr) 2012-09-12
EP2498040A3 EP2498040A3 (fr) 2014-04-02
EP2498040B1 EP2498040B1 (fr) 2017-11-01

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ID=45811356

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Application Number Title Priority Date Filing Date
EP12158321.5A Active EP2498040B1 (fr) 2011-03-07 2012-03-06 Échangeur thermique et procédé de fabrication d'un échangeur thermique

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EP (1) EP2498040B1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013225189A1 (de) 2013-12-06 2015-06-11 MAHLE Behr GmbH & Co. KG Bodenelement für einen Wärmetauscher
WO2015096956A1 (fr) 2013-12-23 2015-07-02 MAHLE Behr GmbH & Co. KG Échangeur de chaleur à joint périphérique
DE102014219208A1 (de) 2014-09-22 2016-03-24 Mahle International Gmbh Wärmeübertrager
DE102014219210A1 (de) 2014-09-22 2016-03-24 Mahle International Gmbh Wärmeübertrager
JP2016142510A (ja) * 2015-02-05 2016-08-08 株式会社デンソー 熱交換器
EP2852806B1 (fr) * 2012-05-22 2019-01-09 Valeo Systemes Thermiques Plaque collectrice pour une boîte collectrice d'un échangeur de chaleur de véhicule automobile
FR3084738A1 (fr) * 2018-07-31 2020-02-07 Valeo Systemes Thermiques Echangeur de chaleur avec joint d’etancheite comportant au moins une zone d’evidement

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243495A1 (de) 1992-12-22 1994-06-23 Behr Gmbh & Co Elastomere Dichtung für Wärmetauscher

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2357992C2 (de) * 1973-11-21 1984-04-05 Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart Lötloser Wärmetauscher
FR2752929B1 (fr) * 1996-08-29 1998-11-13 Valeo Thermique Moteur Sa Echangeur de chaleur, a collecteur plat serti muni d'une butee, notamment pour vehicule automobile
DE29704913U1 (de) * 1997-03-18 1998-07-16 Autokuehler Gmbh & Co Kg Wärmetauscher
JP4481426B2 (ja) * 2000-04-28 2010-06-16 株式会社ティラド 熱交換器のタンク構造
KR100957665B1 (ko) * 2005-06-11 2010-05-12 모다인 매뉴팩츄어링 컴파니 풀-메탈 열 교환기 및 이의 제조 방법
FR2938052B1 (fr) * 2008-11-06 2013-04-26 Valeo Systemes Thermiques Branche Thermique Moteur Plaques collectrices a gorge pour boites collectrices d'echangeur de chaleur

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4243495A1 (de) 1992-12-22 1994-06-23 Behr Gmbh & Co Elastomere Dichtung für Wärmetauscher

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2852806B1 (fr) * 2012-05-22 2019-01-09 Valeo Systemes Thermiques Plaque collectrice pour une boîte collectrice d'un échangeur de chaleur de véhicule automobile
DE102013225189A1 (de) 2013-12-06 2015-06-11 MAHLE Behr GmbH & Co. KG Bodenelement für einen Wärmetauscher
WO2015096956A1 (fr) 2013-12-23 2015-07-02 MAHLE Behr GmbH & Co. KG Échangeur de chaleur à joint périphérique
DE102013227113A1 (de) 2013-12-23 2015-07-09 MAHLE Behr GmbH & Co. KG Wärmetauscher mit umlaufender Dichtung
JP2017503992A (ja) * 2013-12-23 2017-02-02 マーレ ベーア ゲーエムベーハー ウント ツェーオー カーゲー 周縁シールを有する熱交換器
RU2666262C2 (ru) * 2013-12-23 2018-09-06 Мале Бер Гмбх Унд Ко. Кг Теплообменное устройство с окружным уплотнительным элементом
US10436526B2 (en) 2013-12-23 2019-10-08 MAHLE Behr GmbH & Co. KG Heat exchanger with a circumferential seal
DE102014219208A1 (de) 2014-09-22 2016-03-24 Mahle International Gmbh Wärmeübertrager
DE102014219210A1 (de) 2014-09-22 2016-03-24 Mahle International Gmbh Wärmeübertrager
WO2016045970A3 (fr) * 2014-09-22 2016-05-19 Mahle International Gmbh Échangeur de chaleur
JP2016142510A (ja) * 2015-02-05 2016-08-08 株式会社デンソー 熱交換器
FR3084738A1 (fr) * 2018-07-31 2020-02-07 Valeo Systemes Thermiques Echangeur de chaleur avec joint d’etancheite comportant au moins une zone d’evidement

Also Published As

Publication number Publication date
EP2498040A3 (fr) 2014-04-02
EP2498040B1 (fr) 2017-11-01

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