EP1050732B1 - Wärmeübertrager, insbesondere für Schienenfahrzeuge - Google Patents
Wärmeübertrager, insbesondere für Schienenfahrzeuge Download PDFInfo
- Publication number
- EP1050732B1 EP1050732B1 EP00107998A EP00107998A EP1050732B1 EP 1050732 B1 EP1050732 B1 EP 1050732B1 EP 00107998 A EP00107998 A EP 00107998A EP 00107998 A EP00107998 A EP 00107998A EP 1050732 B1 EP1050732 B1 EP 1050732B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- channel
- flat tubes
- channels
- flat pipes
- 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.)
- Expired - Lifetime
Links
- 238000001816 cooling Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 18
- 238000010276 construction Methods 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims 3
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000002826 coolant Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
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
- F28D1/04—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
- F28D1/0408—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids
- F28D1/0426—Multi-circuit heat exchangers, e.g. integrating different heat exchange sections in the same unit or heat exchangers for more than two fluids with units having particular arrangement relative to the large body of fluid, e.g. with interleaved units or with adjacent heat exchange units in common air flow or with units extending at an angle to each other or with units arranged around a central element
- F28D1/0435—Combination of units extending one behind the other
-
- 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
- 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
- F28D2021/0028—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for cooling heat generating elements, e.g. for cooling electronic components or electric devices
- F28D2021/0031—Radiators for recooling a coolant of cooling systems
-
- 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
- F28D2021/0091—Radiators
- F28D2021/0094—Radiators for recooling the engine coolant
Definitions
- the invention relates to a heat exchanger, in particular for Rail vehicles, according to the preamble of claim 1.
- Heat exchangers of this type are as cooling units in rail vehicles known and used for example for cooling the there with an electric drive combined converter and one Transformer. It is known that the power converter is preferably cooled with oil, while the transformers are usually water cooled are formed. Well-known two-circuit cooler blocks for this Both units are therefore in parallel sections the flat tubes of oil or water flows through, each cooled by air.
- the known radiator blocks of this type are in a common Housing housed, with the supply and Ablite- or deflection boxes for the two liquid media connect to each other.
- Heat exchangers of the type mentioned are in so-called Package construction manufactured, as for example for Heat exchanger according to DE 196 51 625 A1 is known. Also from DE 196 44 856 A1 is a manufactured in package construction finned tube block known for a heat exchanger in which one of all Recently, the intended for the flow of the coolant Flat tubes as adjacent channels of an extruded profile has produced. Even in this case, however, will occur leaks and in the formation of such finned tube blocks as two-circuit or multi-circuit cooling system the disadvantage occur that the different liquid cooling media can mix what should be avoided.
- the object of the invention is to provide a heat exchanger of the above to create the type mentioned, the mixing of the two cooling circuit media or even more cooling circuit media with certainty prevented.
- a heat exchanger of the above Art characterized by the fact that the serving as a leakage channel flow channel through two at a distance formed into each other in the flat tubes strips is formed.
- the feed housing for the liquid Media on different length ranges of air flowed through channels be limited and in the region of the leakage channel be provided with openings in the environment.
- openings can be used in the invention as through the housing width through slots between the Zuzhougepatusen be formed, each between the boundary edges the feed housing are arranged.
- the heat exchanger from a in a housing 1 approximately in cuboid shape arranged radiator block 2 consists of the package construction is made.
- the radiator block consists of mutually parallel Flat tubes 3, in the direction of arrows 4 and 5, respectively to be flowed through by a liquid medium and in the housing. 1 with their larger, serving as heat transfer surfaces side surfaces run parallel to the side walls 1a.
- Between the flat tubes 3 are each perpendicular to the flow directions 4 or 5 running strips 6 inserted so that between adjacent flat tubes 3 flow channels 7 (see FIGS. 5 and 6), which flows in the direction of the arrows 8 of air become.
- the flat tubes 3 is the front side in each case a collecting space 9 for Supply of a liquid medium 9 upstream, but only one Part of the inlet end faces of the flat tubes 3 covered and with a boundary wall 10 sealed in front of the end faces of the Flat tubes 3 ends.
- the entry collection space 9 is a deflection space 11 assigned on the other side of the flat tubes 3, in which the through an inlet nozzle 12 and fed in the direction of the arrow 4 flowing liquid medium is deflected and the flat tubes 3 by a Exit nozzle 13 leaves, the one the Zuwoodsammelraum 9 sibling collecting space 9a is assigned. In known Way is to make this flow in the sense of Arrows 4 to reach, a partition 14 in the middle between the collecting boxes 9 and 9a arranged.
- a this section 3b of the flat tubes associated deflection space 18 leads through the feed opening 16 in the direction of the arrows 5 fed liquid medium to the located next to the feed space 15 collecting space 15 a, from where the Medium can escape through the outlet nozzle 17 again.
- the plenums 15 and 15a have boundary walls 19 on (Fig. 4), which is sealed at the end faces the flat tubes 3 ends.
- oil for cooling a power converter introduced by the outlet pipe 13 cooled back is returned.
- water for cooling of a transformer are fed into the heat exchanger, via the outlet nozzle 17 back to the transformer is returned.
- a two-circuit radiator block is shown.
- multi-circuit cooler system So then, if three different liquid cooling media flow through the flat tubes and through the perpendicular to it flowing air to be cooled, each between adjacent Cooling circuits run a flow channel in the sense of the flow channel 21 to be arranged as a leakage channel. Also in this case is an undesired mixing of the cooling circuit liquid locked out.
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, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Description
- Fig. 1
- die schematische Darstellung einer Draufsicht auf einen Zweikreiswärmeübertrager nach der Erfindung,
- Fig. 2
- die Seitenansicht des Wärmeübertragers der Fig. 1,
- Fig. 3
- die Stirnansicht des Wärmeübertragers der Fig. 1,
- Fig. 4
- die vergrößerte Darstellung eines Schnittes durch den Wärmeübertrager der Fig. 1, längs der Schnittlinie IV-IV,
- Fig. 5
- die -teilweise aufgeschnittene- Ansicht des Wärmeübertragers der Darstellung nach Fig. 4 in Richtung des Pfeiles V gesehen,
- Fig. 6
- die vergrößerte Detaildarstellung der Einzelheit VI in Fig. 5, und
- Fig. 7
- die vergrößerte Detaildarstellung des Schnittes VII-VII aus Fig. 5.
Claims (6)
- Wärmeübertrager, insbesondere für Schienenfahrzeuge, bestehend aus einem Zweikreis- oder Mehrkreiskühlerblock, der in Paketbauweise aus wechselweise aufeinander geschichteten Flachrohren (3) aufgebaut ist, wobei die von den Flachrohren gebildeten Strömungskanäle in mindestens zwei Abschnitten (3a, 3b) von verschiedenen flüssigen Medien und die Zwischenräume zwischen den Flachrohren von Luft durchströmt sind, und wobei die Flachrohre (3) an der Grenze zwischen den Strömungsbereichen (3a, 3b) der unterschiedlichen flüssigen Medien mit einem durchgehenden und gegen die benachbarten Strömungskanäle abgeschlossenen Strömungskanal (21) versehen sind, der als Leckagekanal aus dem Kühlerblock ins Freie führt, dadurch gekennzeichnet, dass der als Leckagekanal dienende Strömungskanal (21) durch zwei im Abstand zueinander in die Flachrohre eingeführte Leisten (20, 20a) gebildet ist.
- Wärmeübertrager nach Anspruch 1, dadurch gekennzeichnet, dass gleichmäßig verteilt zwischen den Flachrohren (3) Abstandsleisten angeordnet sind und dass die Luft durch zwischen den Abstandsleisten liegende Kanäle (7) strömt.
- Wärmeübertrager nach Anspruch 1, dadurch gekennzeichnet, dass Zuführ- und Abführgehäuse (9, 9a; 15, 15a; 11, 18) für die flüssigen Medien auf unterschiedliche Längenbereiche der von Luft durchströmten Kanäle (7) beschränkt und im Bereich des Leckagekanals (21) mit Öffnungen (22) in die Umgebung versehen sind.
- Wärmeübertrager nach Anspruch 3, dadurch gekennzeichnet, dass die Öffnungen als über die Gehäusebreite durchgehende Schlitze (22) ausgebildet sind.
- Wärmeübertrager nach Anspruch 4, dadurch gekennzeichnet, dass die Schlitze (22) jeweils zwischen den Begrenzungskanten (10, 19) der Zu- und Abführgehäuse (9, 9a; 15, 15a; 11, 18) angeordnet sind.
- Wärmeübertrager nach Anspruch 5, dadurch gekennzeichnet, dass die Begrenzungskanten (10, 19) in Wandteile (23, 24) übergehen, die von den Mündungen des Leckagekanals (21) aus nach außen führende Erweiterungen bilden.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19921273A DE19921273A1 (de) | 1999-05-07 | 1999-05-07 | Wärmeübertrager, insbesondere für Schienenfahrzeuge |
| DE19921273 | 1999-05-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1050732A1 EP1050732A1 (de) | 2000-11-08 |
| EP1050732B1 true EP1050732B1 (de) | 2005-05-11 |
Family
ID=7907430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00107998A Expired - Lifetime EP1050732B1 (de) | 1999-05-07 | 2000-04-18 | Wärmeübertrager, insbesondere für Schienenfahrzeuge |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1050732B1 (de) |
| AT (1) | ATE295522T1 (de) |
| DE (2) | DE19921273A1 (de) |
| DK (1) | DK1050732T3 (de) |
| ES (1) | ES2241525T3 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10102639A1 (de) * | 2001-01-20 | 2002-07-25 | Bayerische Motoren Werke Ag | Wärmetauscher sowie Wasserkastenelement hierfür |
| DE102010042391A1 (de) * | 2010-10-13 | 2012-04-19 | Behr Gmbh & Co. Kg | Wärmeübertrager |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1185469A (en) * | 1966-11-18 | 1970-03-25 | Marston Excelsior Ltd | Plate-Type Heat Exchanger. |
| FR2454075A1 (fr) * | 1979-04-13 | 1980-11-07 | Applic Thermiq Cie Indle | Perfectionnements aux echangeurs pour la production d'eau chaude sanitaire |
| DE3300523A1 (de) * | 1983-01-10 | 1984-07-12 | Funke Wärmeaustauscher Apparatebau KG, 3212 Gronau | Plattenwaermeaustauscher |
| DE3910850A1 (de) * | 1989-04-04 | 1990-10-11 | Funke Waerme Apparate Kg | Plattenwaermeaustauscher |
| US5186244A (en) * | 1992-04-08 | 1993-02-16 | General Motors Corporation | Tube design for integral radiator/condenser |
| DE4403144C3 (de) * | 1994-02-02 | 2002-05-29 | Laengerer & Reich Gmbh & Co | Plattenwärmeaustauscher |
| DE19536116B4 (de) * | 1995-09-28 | 2005-08-11 | Behr Gmbh & Co. Kg | Wärmeübertrager für ein Kraftfahrzeug |
| DE19608049A1 (de) * | 1996-03-02 | 1997-09-04 | Behr Gmbh & Co | Rohrleitung für ein Wärmeübertragersystem und diese verwendende Fahrzeugklimaanlage |
| DE19644586C2 (de) * | 1996-10-26 | 2000-10-26 | Behr Industrietech Gmbh & Co | Rippenrohrblock für einen Wärmeübertrager |
| DE19651625A1 (de) * | 1996-12-12 | 1998-06-18 | Behr Industrietech Gmbh & Co | Wärmeübertrager |
| DE19722097A1 (de) * | 1997-05-27 | 1998-12-03 | Behr Gmbh & Co | Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug |
-
1999
- 1999-05-07 DE DE19921273A patent/DE19921273A1/de not_active Withdrawn
-
2000
- 2000-04-18 DK DK00107998T patent/DK1050732T3/da active
- 2000-04-18 DE DE50010261T patent/DE50010261D1/de not_active Expired - Lifetime
- 2000-04-18 AT AT00107998T patent/ATE295522T1/de not_active IP Right Cessation
- 2000-04-18 EP EP00107998A patent/EP1050732B1/de not_active Expired - Lifetime
- 2000-04-18 ES ES00107998T patent/ES2241525T3/es not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DK1050732T3 (da) | 2005-08-29 |
| DE19921273A1 (de) | 2000-11-09 |
| DE50010261D1 (de) | 2005-06-16 |
| EP1050732A1 (de) | 2000-11-08 |
| ES2241525T3 (es) | 2005-11-01 |
| ATE295522T1 (de) | 2005-05-15 |
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