EP3063491A1 - Rohrwärmeübertrager - Google Patents
RohrwärmeübertragerInfo
- Publication number
- EP3063491A1 EP3063491A1 EP14790111.0A EP14790111A EP3063491A1 EP 3063491 A1 EP3063491 A1 EP 3063491A1 EP 14790111 A EP14790111 A EP 14790111A EP 3063491 A1 EP3063491 A1 EP 3063491A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- outer contour
- tubular heat
- tube
- tubes
- 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
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
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
-
- 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
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/162—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by using bonding or sealing substances, e.g. adhesives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
- F28F2255/14—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded
- F28F2255/146—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes molded overmolded
Definitions
- the invention relates to a method for producing a tube heat exchanger according to the preamble of claim 1. It further relates to a tube heat exchanger obtainable by such a method according to the preamble of claim 4.
- heat exchangers To transfer thermal energy from one stream to another so-called heat exchangers, heat exchangers or heat exchangers are used in the prior art.
- generic devices In addition to the simple mode of action of the direct heat transfer, which is accompanied by a direct mass transfer between the two streams, generic devices usually use an indirect heat transfer, in which the respective streams are separated from each other by a heat-permeable wall.
- Heat exchangers of the latter category which are characterized by structurally separate rooms for their two working media, are commonly referred to as recuperators.
- this type includes in particular different forms of so-called tube heat exchangers, which are application specific, for example in the form of so-called shell and tube heat exchangers, U-tube heat exchanger or casing heatpipe transducers.
- a typical field of application find such tube heat exchanger in the cooling system of conventional internal combustion engines.
- liquid in particular water-cooled, internal combustion engines transfer part of the heat arising during the combustion process by means of heat conduction to a liquid coolant, which Ches flows by way of forced convection to a functioning as a coolant radiator tube heat exchanger.
- the invention is therefore an object of the invention to provide a tube heat exchanger, soften the structural coordination needs of its items on a Minimized minimum and a much higher flexibility in manufacturing allowed.
- the invention also has the task of providing a universal and uncomplicated method for producing such transformers.
- the invention is based on the general idea to unify the different shaping variants of the tubes of a heat exchanger by means of a similar shape outer contour, which can be applied locally externally on the tubes in a suitable primary molding process, preferably by injection molding.
- a shaped outer contour of the pipes makes it possible in a subsequent manufacturing step to produce a joint connection, in particular a positive and / or cohesive joint connection between the pipes and thus modularly assemble the entire tube heat exchanger from individual components, which in the final part in the joint connection and / or along at least a part of the outer contour are sealed.
- the proposed injection molding method which allows according to the prior art, the production of injection molded parts in the weight range of a few tenths of a gram up to a size of 150 kg, gives the inventive manufacturing process thereby the greatest possible flexibility in terms of shaping the desired outer contour. In addition, it allows the production of directly usable tubes in large numbers at comparatively low unit costs. Finally, the selected injection molding technique can also be used to form a bottom contour on the tubes at the same time as the sealing of the tube heat exchanger, which makes the additional process step of connecting the tube. Making the pipes with a separate floor element may be dispensable.
- the sealing can be done in particular by means of thermal or mechanical joining, by gluing, by injection molding with a separate sealant or by injection molding with the material of the outer contour.
- a combination of at least two enumerated sealing method is conceivable.
- a plurality of tubes can be positively connected to each other via their respective outer contour and then sealed in a second injection molding process by injection molding a seal.
- the form-fitting joint connection can additionally be reinforced by virtue of the fact that the respective outer contours have a puzzle-like geometry and can thus be connected to one another in the manner of puzzle pieces. It is also conceivable that the joint connection is already made so that it is fluid-tight.
- An inventive tube heat exchanger comprises at least two thermally permeable, yet fluid-tight tubes for conducting a fluid first heat carrier and at least one thermally connected to the tubes and fluidically separated from these fluid channel for conducting a fluid second heat carrier.
- the at least one fluid channel may have a fluid inlet for introducing the second heat carrier into the fluid channel and a fluid outlet for discharging the heat carrier from the fluid channel.
- the fluid channel can be designed as a boiler.
- the tube heat exchanger can also be called so-called
- the tube heat exchanger comprises an outer contour of the tubes formed by an injection molded part for producing a joint connection between at least two tubes. Furthermore, the tube heat exchanger comprises a seal in the region of the joint connection and / or along at least part of the outer contour.
- a thermoplastic material is used as the base material of the outer contours.
- the tubes themselves are made of a very good heat transfer material, such as metal.
- the sealing of the tube heat exchanger can take place by way of a thermal joining method, for example by means of heating element welding, hot gas welding, rotational friction welding, ultrasonic welding, high frequency welding, vibration welding, circular welding, laser transmission welding or hot caulking of adjacent plastic pipes.
- the thermal joining may be accompanied by the activation or hardening of the sealing compound, so that the heat supplied fulfills a dual function.
- the tubes are each shown as so-called single-chamber tubes.
- the method presented here is equally suitable for producing a tube heat exchanger whose at least two tubes can comprise at least one tube, which is used as a multi-chamber tube is realized with at least two tube chambers.
- Such a multi-chamber pipe can be subdivided by a common web into two pipe chambers which are separated from one another fluidly. It is conceivable also the subdivision of the tube in more than two tube chambers by using a corresponding number of webs.
- the design of the multi-chamber tube may come into consideration as a so-called double tube, in which an inner tube forms a first tube chamber and an outer tube arranged in particular concentrically with the inner tube has a second tube
- Pipe chamber forms.
- the tube chambers of the multi-chamber tube can extend longitudinally parallel, ie parallel to each other along a longitudinal direction of the tube.
- each schematically 1 is a longitudinal section through a tube of a tube heat exchanger according to the invention, the front view of the tube of Figure 1 according to a first form variant, the front view of the tube of Figure 1 according to a second form variant, the front view of the tube of Figure 1 according to a third form variant, the front view of Rohrumbleübertragers according to a first embodiment of the invention, including a circumferential bottom contour, the side view of the Rohrettaübertragers according to the first embodiment, the front view of two unconnected pipes of a Rohrclerosisübertragers according to a second embodiment of the invention, the longitudinal section of the now connected pipes of Figure 7, the longitudinal section of the tubes FIGS.
- 29 is a side view of a first special form of the collector segment of the tube heat exchanger according to a ninth embodiment.
- FIG. 30 shows the longitudinal section of a second special form of the collector segment of the tube heat exchanger according to the ninth embodiment.
- the outer contour 3 does not depend on the very variable geometry of the tube 2, which is elliptical, as in the case of FIG. 2, as in the case of FIG. 3, an elongate rectangular or as in FIG Case of Figure 4 may have a circular cross-section.
- the tubes 2 are each realized as so-called single-chamber tubes.
- the method presented here is equally suitable for producing a tube heat exchanger whose at least two tubes can have at least one tube, which is realized as a multi-chamber tube.
- Such a multi-chamber tube can be replaced by a common Sannen web can be divided into two fluidly separated tube chambers. It is also conceivable, the subdivision of the tube in more than two
- Tube chambers for example by using a corresponding number of webs for dividing the tube into the corresponding number of fluidly separated chambers.
- the design of the multi-chamber tube may also be considered as a so-called double tube, in which an inner tube forms a first tube chamber and an outer tube arranged in particular concentrically with the inner tube has a second tube
- Pipe chamber forms.
- the tube chambers can extend longitudinally parallel, ie parallel to each other along a longitudinal direction of the tube.
- the tubes 2 of the tube heat exchanger 1 are thermally permeable and fluid-tight and serve to conduct a fluid first heat carrier.
- the tube heat exchanger 1 further comprises at least one of the tubes 2 fluidly separated fluid channel for guiding a fluid second heat carrier (not shown in the figures).
- the at least one fluid channel is thermally connected to the tubes 2. He can do one Fluid inlet for introducing the second heat carrier in the fluid channel and a fluid outlet for discharging the second heat carrier from the
- the at least one fluid channel can also be designed as a boiler.
- the production of the tube heat exchanger 1 takes place as discussed above modular and thus extremely flexible.
- an identical local outer contour 3 is sprayed in each case around at least two tubes 2, in order subsequently to join them together via these outer contours 3.
- a seal 5 is used, which consists of a separate sealant 7 or made of the material of the outer contour 3.
- the gasket 5 can also be produced by using a bonding compound stabilizing adhesive or by injection molding, thermal joining, mechanical joining, gluing and / or sealing spraying.
- the seal 5 can extend only around the common outer side of all outer contours 3 or, in addition, also in the area of the joint 4, provided that this is not already fluid-tight anyway.
- the outer contours 3 may also have so-called binding bodies 17, which are melted in the production of the joint 4 and bonded to the outer contour 3 of an adjacent tube 2 (see FIG.
- the binding bodies 17 may be formed by elevations which protrude from the surface of the outer contour 3 and are formed in the production of the outer contour 3 at this, so that the binding body 17 are integrally formed with the outer contour 3.
- binding bodies 17 are connected by their integration into the shape of the outer contour 3 with this highly effective.
- the binding bodies 17 can have a conical shape.
- FIG. 8 shows how the tubes 2 arranged alongside one another along their complementary outer contour 3 enter into a form-fitting joint connection 4 in pairs, which, as illustrated in FIG. 9, can be hermetized in the contact region by means of a particularly integral seal 5.
- the joint 4 shown in FIG. 8 is fluid-tight or additionally sealed with a seal 5.
- FIG. 10 shows how the sealing compound 7 used in this case conforms to the enlarged illustration of the outer contour 3, so that a form fit caused by its characteristic shape can be supplemented by the material bond achieved by the seal 5.
- Targeted shaping can be used in particular by the finite element method (FEM) known from numerical mathematics for the solution of partial differential equations, as has long been used in other areas of solid state simulation.
- FEM finite element method
- Figure 15 shows a sixth embodiment of the invention.
- the desired bottom contour 6 of the tube heat exchanger 1 is also already created in the outer contour 3 of its individual tubes 2, wherein the substantially same outer contour 3 of the two middle tubes 2 but here with two Completely complementary completion modules 15 merge at the illustration of the upper and lower end of the tube heat exchanger 1 to the complete bottom contour 6.
- Figures 16 and 17 the structure of Figures 16 and 17 can be seen, another special feature.
- an at least partially elastic sealing compound 7 or seal 5 is used in this embodiment, which effectively separates the sealing surface and force introduction zone of each tube 2 from each other.
- This separation makes it possible for the tube heat exchanger 1 constructed in such a modular manner to be able to absorb thermal expansions in at least two different axes.
- Figures 18, 19 and 20 represent an eighth embodiment of the invention, which are characterized by a patch on the bottom contour 6 collector 1 1. As the comparison between the representation of FIG. 18 and that of FIG. 19 illustrates, a slight overlap between bottom 16 and attached collector 1 1 results, the two components of tubular heat exchanger 1 having a sufficient contact surface for the application of a suitable welding or adhesive technique, optionally with the additional use of a sealant.
- the other figures 21 to 30 finally relate to a comprehensive ninth embodiment of the invention Rohrettaschreibtragers 1, which makes use of its modular structure, to replace the additional component of the collector 1 1 of Figures 18 to 20 by an integral form variant.
- this ninth embodiment uses this particular of a collector segment 9 in the form of an oval hollow cylinder.
- FIG. 27 shows a simple assembly 10 of the tube heat exchanger 1 formed from only a single tube 2 provided with ribs 8, together with two end-side collector segments 9 of the type described, which can be seen to have an identical construction Assembling assembly 10 along an end seal 5.
- the collector segments 9 connect in this scenario to a group of all assemblies 10 like a hose pulling collector 1 1 and can therefore be dispensed with the complex placement of an independent collector or water tank.
- Figure 28 reveals the possible recourse to a more comprehensive assembly 10, which summarizes three analogous to Figure 27 configured tubes 2 together with the corresponding number of seals 5, ribs 8 and collector segments 9 to a common unit.
- the assembly 10 comprises two on the - the imaging according to the top collector segments 9 encircling - seals 5 launched cover 14, which complete the thus formed collector 1 1 end.
- the assembly 10 of Figure 28 also uses a first special form of the collector segment 9, the details of which reproduces the following Figure 29 enlarged.
- This first special form is characterized by a opposite the pipe 2 into the collector segment 9 opening out connecting piece 13.
- FIG. 30, shows a second special form of the collector segment 9 in a partial longitudinal section, which instead has an integrated dividing wall 12 near its illustration according to the upper edge.
- Tube heat exchangers 1 produced by the method according to the invention offer the following advantages:
- Tube geometries in the form of a modular system by adapted identical outer contours 3 of the tubes 2, Higher resistance to thermal stresses by at least partially elastic seal 5,
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310222128 DE102013222128A1 (de) | 2013-10-30 | 2013-10-30 | Rohrwärmeübertrager |
| PCT/EP2014/073245 WO2015063169A1 (de) | 2013-10-30 | 2014-10-29 | Rohrwärmeübertrager |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3063491A1 true EP3063491A1 (de) | 2016-09-07 |
| EP3063491B1 EP3063491B1 (de) | 2018-02-07 |
Family
ID=51830324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14790111.0A Not-in-force EP3063491B1 (de) | 2013-10-30 | 2014-10-29 | Rohrwärmeübertrager |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3063491B1 (de) |
| DE (1) | DE102013222128A1 (de) |
| WO (1) | WO2015063169A1 (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015225684A1 (de) * | 2015-12-17 | 2017-06-22 | Mahle International Gmbh | Wärmeübertrager und Adapterstück |
| DE102016111201B4 (de) | 2016-06-20 | 2022-05-12 | Volkswagen Aktiengesellschaft | Verfahren zur Herstellung eines Wärmetauschers |
| DE102022212381A1 (de) * | 2022-11-21 | 2024-05-23 | Mahle International Gmbh | Doppelstutzen |
| CN117001914A (zh) * | 2023-07-07 | 2023-11-07 | 四川特思廷科技有限公司 | 一种流体传输转接头密封器件制作工艺 |
| DE102024103816A1 (de) | 2024-02-12 | 2025-08-14 | Audi Aktiengesellschaft | Verfahren zum Herstellen einer Zwischenzellkühleinheit, Zwischenzellkühleinheit und Batterie für ein Kraftfahrzeug |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3311164A (en) * | 1964-01-02 | 1967-03-28 | Carrier Corp | Heat exchanger with expansible tube seal |
| DE2161279A1 (de) * | 1971-10-01 | 1973-04-05 | Giuseppe Baggioli | Kuehler fuer kraftfahrzeuge |
| DE2610817A1 (de) * | 1975-03-21 | 1976-09-30 | Froehlich Air Ag | Rohrwaermetauscher und verfahren zu dessen herstellung |
| JPS58178194A (ja) | 1982-04-12 | 1983-10-19 | Hitachi Ltd | 熱交換器 |
| DE3536667A1 (de) * | 1985-10-15 | 1987-04-16 | Richard Vetter | Geraet zum erwaermen von wasser, insb. warmwasserheizkessel |
| DE3728303A1 (de) * | 1987-08-25 | 1989-03-16 | Sueddeutsche Kuehler Behr | Waermetauscher mit einer rippen-rohranordnung |
| US4896410A (en) | 1988-07-29 | 1990-01-30 | Doty Scientific Inc. | Method of assembling tube arrays |
| IT1291636B1 (it) * | 1997-04-22 | 1999-01-19 | Whirlpool Co | Scambiatore di calore modulare particolarmente per macchine asciugabiancheria lavaasciugabiancheria e simili |
| KR100513008B1 (ko) * | 2002-08-27 | 2005-09-05 | 엘지전자 주식회사 | 냉장고 열교환기의 냉매 누설 방지 구조 |
| DE10254797B4 (de) * | 2002-11-22 | 2004-11-18 | GEA Luftkühler GmbH | Wärmeaustauscher |
| GB2422002A (en) * | 2005-01-06 | 2006-07-12 | Nelson | Modular heat exchanger |
| DE202008008437U1 (de) | 2008-06-24 | 2008-10-09 | Paul Craemer Gmbh | Kunststoffumspritzter Plattenwärmetauscher |
| JP5978214B2 (ja) * | 2010-09-02 | 2016-08-24 | アカソル・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | 冷却モジュールおよび冷却モジュールの製造方法 |
-
2013
- 2013-10-30 DE DE201310222128 patent/DE102013222128A1/de not_active Withdrawn
-
2014
- 2014-10-29 WO PCT/EP2014/073245 patent/WO2015063169A1/de not_active Ceased
- 2014-10-29 EP EP14790111.0A patent/EP3063491B1/de not_active Not-in-force
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013222128A1 (de) | 2015-04-30 |
| WO2015063169A1 (de) | 2015-05-07 |
| EP3063491B1 (de) | 2018-02-07 |
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