EP1050732A1 - Wärmeübertrager, insbesondere für Schienenfahrzeuge - Google Patents
Wärmeübertrager, insbesondere für Schienenfahrzeuge Download PDFInfo
- Publication number
- EP1050732A1 EP1050732A1 EP00107998A EP00107998A EP1050732A1 EP 1050732 A1 EP1050732 A1 EP 1050732A1 EP 00107998 A EP00107998 A EP 00107998A EP 00107998 A EP00107998 A EP 00107998A EP 1050732 A1 EP1050732 A1 EP 1050732A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- flat tubes
- flow
- exchanger according
- channel
- 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
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, consisting of a dual circuit or Multi-circuit cooler block, which alternately in a package design stacked flat tubes and evenly distributed spacer strips arranged between them is built up, wherein the flow channels formed by the flat tubes of at least two different liquid media and the between air flows through the spacer channels are.
- Heat exchangers of this type are used as cooling units in rail vehicles known and are used for cooling, for example of the converter combined there with an electric drive and a transformer. It is known that the Power converter is preferably cooled with oil while the Transformers are usually water-cooled. Known dual-circuit cooler blocks for these two units are therefore in parallel sections of the flat tubes flows through oil or water, each through air is cooled.
- the known radiator blocks of this type are in one Housing housed, the supply and discharge or deflection boxes for the two liquid media.
- a certain problem of such known two-circuit cooler blocks is that if one of the two coolant circuits leaks there is a risk that the coolant Circuit in the second immediately adjacent cooling circuit penetrates, causing significant damage to the cooling system can lead.
- Heat exchangers of the type mentioned are in so-called package construction, such as manufactured for heat exchangers according to DE 196 51 625 A1 is known.
- DE 196 44 586 A1 also describes a package construction Finned tube block known for a heat exchanger, in which, however, one for the flow of the coolant provided flat tubes as side by side Has made channels of an extruded profile. Also in this However, the case occurs when a leak occurs and during training such finned tube blocks as a two-circuit or multi-circuit cooling system the disadvantage that the different liquid cooling media can mix, which is avoided should be.
- the present invention has for its object a To design heat exchangers of the type mentioned at the beginning that a mixture of the two cooling circuit media or also several cooling circuit media is prevented with certainty.
- the feed housing for the liquid media to different length ranges from Air flow channels can be limited and in the area of Leakage channel with openings in the area.
- openings can be developed in a further development of the invention than through the housing width through slots between the Feeder housings are formed, each between the boundary edges the feed housing are arranged.
- FIGS. 1 to 3 show that the heat exchanger from a in a housing 1 approximately in Rectangular radiator block 2 consists of a package is made.
- the radiator block consists of parallel mutually arranged flat tubes 3, which in the direction arrows 4 and 5 each flowed through by a liquid medium are and in the housing 1 with their larger than heat transfer surfaces serving side surfaces parallel to it Side walls 1a run. Between the flat tubes 3 are each perpendicular to the flow directions 4 and 5 extending strips 6 inserted, so that between adjacent Flat tubes 3 flow channels 7 (see Fig. 6 and 6) result in the flow of air in the direction of arrows 8 become.
- the flat tubes 3 each have a collecting space 9 on the end face upstream for the supply of a liquid medium 9, the however only a part of the inlet end faces of the flat tubes 3 covered and sealed with a boundary wall 10 ends in front of the end faces of the flat tubes 3.
- the entry plenum 9 is a deflection space 11 on the other side of the Assigned flat tubes 3, in which through an inlet connection 12 supplied and flowing in the direction of arrow 4 liquid medium is deflected and the flat tubes 3 by one Leaves outlet 13, one of the feed plenum 9 associated collection room 9a is assigned. In known Way is to this flow in the sense of Arrows 4 to reach a partition 14 in the middle between the collecting boxes 9 and 9a arranged.
- This section 3b of the flat tubes assigned deflection space 18 leads this through the feed opening 16 in the direction of arrows 5 supplied liquid medium to the next to the feed space 15 located collection room 15a, from where the Medium can exit through the outlet nozzle 17 again.
- the collecting spaces 15 and 15a have boundary walls 19 on (Fig. 4), which is sealed on the end faces of the flat tubes 3 end.
- the boundary walls 10 each end on the end face of strips 20 and 20a, inserted into the flat tubes 3 in the longitudinal direction in order to demarcate sections 3a and 3b from one another.
- the strips 20 and 20a are at a distance arranged to each other and therefore form within the flat tubes 3 a continuous flow channel 21 between them, which, as FIG. 4 in particular shows, on both sides into the open ends, the housing 1 and the embodiment associated liquid guide sections 9, 9a, 15, 15a and 11 and 18 are designed so that openings 22 to the environment be formed.
- Fig. 4 and Fig. 5 show that these Openings 22 as slots extending through the width of the housing are formed between the boundary edges 10, 19th the feed boxes 9, 9a, 15, 15a and the corresponding Boundary edges of the deflection spaces 11 and 18 are formed. 4 also shows that the boundary edges 10, 19 - and analogously the boundary edges of the deflection spaces 11 and 18 - as obliquely widening outwards from the slot 22 Walls 23 and 24 are formed.
- a two-circuit cooler block is shown. It is of course also possible with a multi-circuit cooler system, so if three different liquid cooling media flow through the flat tubes and through the perpendicular to them flowing ventilated are cooled, each between neighboring ones Cooling circuits a flow channel in the sense of the flow channel 21 to be arranged as a leakage channel. In this case too an undesirable mixing of the cooling circuit fluid 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)
Abstract
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)
- Wänneübertrager, insbesondere für Schienenfahrzeuge, bestehend aus einem Zweikreis- oder Mehrkreiskühlerblock, der in Paketbauweise aus wechselweise aufeinandergeschichteten Flachrohren (3) und gleichmäßig verteilt dazwischen angeordneten Abstandsleisten (6) aufgebaut ist, wobei die von den Flachrohren gebildeten Strömungskanäle in mindestens zwei Abschnitten (3a, 3b) von verschiedenen flüssigen Medien und die zwischen den Abstandsleisten liegenden Kanäle (7) von Luft durchströmt sind,
dadurch gekennzeichnet, daß
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. - Wärmeübertrager nach Anspruch 1, dadurch gekennzeichnet, daß der als Leckagekanal dienende Strömungskanal (21) durch zwei im Abstand zueinander in die Flachrohre eingefügte Leisten (20, 20a) gebildet ist.
- Wärmeübertrager nach Anspruch 1, dadurch gekennzeichnet, daß die 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 |
---|---|---|---|
DE19921273 | 1999-05-07 | ||
DE19921273A DE19921273A1 (de) | 1999-05-07 | 1999-05-07 | Wärmeübertrager, insbesondere für Schienenfahrzeuge |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1050732A1 true EP1050732A1 (de) | 2000-11-08 |
EP1050732B1 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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2442058A3 (de) * | 2010-10-13 | 2014-12-03 | Behr GmbH & Co. KG | Wärmeübertrager mit Kältespeicherrohren |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10102639A1 (de) * | 2001-01-20 | 2002-07-25 | Bayerische Motoren Werke Ag | Wärmetauscher sowie Wasserkastenelement hierfür |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3469623A (en) * | 1966-11-18 | 1969-09-30 | Marston Excelsior Ltd | Plate-type heat exchanger |
US5186244A (en) * | 1992-04-08 | 1993-02-16 | General Motors Corporation | Tube design for integral radiator/condenser |
DE19536116A1 (de) * | 1995-09-28 | 1997-04-03 | Behr Gmbh & Co | Wärmeübertrager für ein Kraftfahrzeug |
DE19608049A1 (de) * | 1996-03-02 | 1997-09-04 | Behr Gmbh & Co | Rohrleitung für ein Wärmeübertragersystem und diese verwendende Fahrzeugklimaanlage |
DE19644586A1 (de) | 1996-10-26 | 1998-04-30 | Behr Industrietech Gmbh & Co | Rippenrohrblock für einen Wärmeübertrager |
DE19651625A1 (de) | 1996-12-12 | 1998-06-18 | Behr Industrietech Gmbh & Co | Wärmeübertrager |
EP0881447A2 (de) * | 1997-05-27 | 1998-12-02 | Behr GmbH & Co. | Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
DE4403144C3 (de) * | 1994-02-02 | 2002-05-29 | Laengerer & Reich Gmbh & Co | Plattenwärmeaustauscher |
-
1999
- 1999-05-07 DE DE19921273A patent/DE19921273A1/de not_active Withdrawn
-
2000
- 2000-04-18 ES ES00107998T patent/ES2241525T3/es not_active Expired - Lifetime
- 2000-04-18 DE DE50010261T patent/DE50010261D1/de not_active Expired - Lifetime
- 2000-04-18 DK DK00107998T patent/DK1050732T3/da active
- 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
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3469623A (en) * | 1966-11-18 | 1969-09-30 | Marston Excelsior Ltd | Plate-type heat exchanger |
US5186244A (en) * | 1992-04-08 | 1993-02-16 | General Motors Corporation | Tube design for integral radiator/condenser |
DE19536116A1 (de) * | 1995-09-28 | 1997-04-03 | Behr Gmbh & Co | Wärmeübertrager für ein Kraftfahrzeug |
DE19608049A1 (de) * | 1996-03-02 | 1997-09-04 | Behr Gmbh & Co | Rohrleitung für ein Wärmeübertragersystem und diese verwendende Fahrzeugklimaanlage |
DE19644586A1 (de) | 1996-10-26 | 1998-04-30 | Behr Industrietech Gmbh & Co | Rippenrohrblock für einen Wärmeübertrager |
DE19651625A1 (de) | 1996-12-12 | 1998-06-18 | Behr Industrietech Gmbh & Co | Wärmeübertrager |
EP0881447A2 (de) * | 1997-05-27 | 1998-12-02 | Behr GmbH & Co. | Wärmeübertrager sowie Wärmeübertrageranordnung für ein Kraftfahrzeug |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2442058A3 (de) * | 2010-10-13 | 2014-12-03 | Behr GmbH & Co. KG | Wärmeübertrager mit Kältespeicherrohren |
Also Published As
Publication number | Publication date |
---|---|
DE50010261D1 (de) | 2005-06-16 |
ES2241525T3 (es) | 2005-11-01 |
EP1050732B1 (de) | 2005-05-11 |
DE19921273A1 (de) | 2000-11-09 |
DK1050732T3 (da) | 2005-08-29 |
ATE295522T1 (de) | 2005-05-15 |
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