EP1588115A1 - Wärmeübertrager, insbesondere gaskühler - Google Patents
Wärmeübertrager, insbesondere gaskühlerInfo
- Publication number
- EP1588115A1 EP1588115A1 EP03815365A EP03815365A EP1588115A1 EP 1588115 A1 EP1588115 A1 EP 1588115A1 EP 03815365 A EP03815365 A EP 03815365A EP 03815365 A EP03815365 A EP 03815365A EP 1588115 A1 EP1588115 A1 EP 1588115A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- longitudinal
- exchanger according
- tongues
- flat tube
- 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
- F28F9/0202—Header boxes having their inner space divided by partitions
- F28F9/0204—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions
- F28F9/0214—Header boxes having their inner space divided by partitions for elongated header box, e.g. with transversal and longitudinal partitions having only longitudinal partitions
-
- 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
-
- 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
- F28D2021/0068—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for refrigerant cycles
- F28D2021/0073—Gas coolers
Definitions
- Heat exchangers especially gas coolers
- the invention relates to a heat exchanger, in particular a gas cooler for a CO 2 refrigerant circuit of a motor vehicle air conditioning system, according to the preamble of patent claim 1.
- Heat exchangers for air conditioning systems with R134a as refrigerant e.g. B. capacitors consist of a heat exchanger network with flat tubes and collecting tubes arranged on both sides of the network with a circular or other cross-section.
- Other heat exchangers for air conditioning systems e.g. B. two-row evaporators according to DE-A 198 26 881 of the applicant have a collection box divided into two longitudinal chambers, which is made from a prepared bending plate by bending the edge regions of the sheet metal plate. In this way, a central, double-layered longitudinal partition wall is obtained, which is fixed by means of tongues in recesses in a flat collecting box floor. Two rows of passages are arranged in the floor for the two rows of flat tubes, i.e.
- each longitudinal chamber communicates with one row of flat tubes.
- a relatively high compressive strength wedge is already achieved.
- C02 R744
- considerably higher pressures occur, which are approximately ten times higher and which are no longer manageable with the conventional designs for heat exchangers. It has therefore been proposed in WO 98/51 983 to have extruded manifolds with an increased wall thickness, a manifold consisting of four circular flow channels arranged next to one another. The production of such an extruded manifold is costly because of the tools required for it.
- header pipe Another type of header pipe has been proposed in DE-A 199 06 289, a header pipe being constructed from two or three extruded or pressed parts and having two circular flow channels for the refrigerant (CO 2). With this construction too, at least part of the header pipe has to be produced by extrusion or other complex forming processes, which has an unfavorable effect on the production costs of the heat exchanger, such as gas coolers.
- the collecting tank is formed in one piece and is bent from a sheet metal strip in such a manner, two longitudinal channels däss result ', which however - in contrast to this prior art - only be in fluid communication with a row of flat tubes.
- This construction of the collection box enables an approximately circular cross section and thus a pressure-resistant collection box.
- the double-layered longitudinal partition is fixed and anchored by means of tongues in a central area of the sheet metal strip, which simplifies production and increases strength.
- the tongues for fixing the longitudinal partition can either be arranged on the side facing the flat tubes or facing away. This increases the design options of the heat exchanger.
- the flat-tube ends which project into the longitudinal channels, notches are arranged in the longitudinal dividing wall in the region, in which engage the flat tube ends.
- the flat tubes can be pushed relatively far - approximately to the middle - into the collecting box and can be designed with a maximum depth (the depth of the flat tube is measured in the direction of air flow).
- the collection box is therefore only slightly deeper than that Flat tube. In this way, space can advantageously be created for reshaping or drawing.
- gaps are left between the notches and the flat tube ends, which, for example, are U-shaped or can be arranged only laterally or above the flat tube. It is advantageous if the notches also serve as a stop for the flat tubes when they are pushed into the collecting box through the slot-shaped openings. This results in an exact positioning for the flat tubes in the collecting box. A pressure and flow compensation between the two adjacent longitudinal channels is achieved through the column.
- the area of the collecting box in which the recesses with the tongues are arranged can be slightly inward, ie. H. in the direction of the longitudinal partition. be pulled, which results in a certain "waist" for the cross section of the header tank. This ensures that the cross sections of the longitudinal channels are more or less approximated to a circular cross section beyond a circumference of 270 degrees, which benefits the strength and the weight.
- the cross sections of the two longitudinal channels can also be advantageous to design the cross sections of the two longitudinal channels not differently, but differently, the position of the partition wall also being off-center, i. H. can be asymmetrical. It is essential in the design of the collecting box that the tongues are arranged approximately at right angles to the connecting strip with the cutouts in order to achieve an optimal tie rod effect.
- FIG. 1 is a partial perspective view of a gas cooler
- FIG. 2 shows a section through the gas cooler according to FIG. 1
- FIG. 3 shows a section along the line III-III in FIG. 2
- FIG. 5 shows a section through the gas cooler according to FIG. 4
- Fig. 6 shows a section along the line VI-VI in Fig. 5 ,.
- Fig. 7 shows a third embodiment of a gas cooler in section.
- Fig. 1 shows a section of a gas cooler 1 with a header box 2 and flat tubes 3, which open with their flat tube ends 3a in the header box 2 and are received in slot-shaped openings 4. Between the flat tubes 3 - which is not shown - corrugated fins are provided to enlarge the air-side heat exchange surface.
- the gas cooler 1 is particularly suitable for use in a refrigerant circuit with CO 2 as the refrigerant of a motor vehicle air conditioning system, but is not restricted to this application.
- the gas cooler is on the primary side, i.e. H.
- FIG. 2 shows the gas cooler 1 according to FIG. 1 in a section, it becoming clear that the collecting tank 2 is made in one piece. It has two longitudinal chambers 5, 6, which are separated from one another by a double longitudinal partition 7.
- the collecting box 2 is made of a sheet metal plate or a sheet metal strip 8 which has outer edge strips or longitudinal edges 9, 10 which are provided with tongues 11, 12. In the middle of the sheet metal tire 8, 13 are arranged in accordance with the arrangement of the tongues 11, 12.
- the collecting box 2 is made from the prepared, ie cut and punched sheet metal strip 8 in such a way that the sides with the longitudinal edges 9, 10 are bent into approximately cylindrical channels 5, 6 and that the longitudinal edges 9, 10 are centered and approximately perpendicular to a central one Connection area 14 are returned where they are inserted into the recesses 13 with the tongues 11, 12.
- the longitudinal edges 9, 10 are thus fixed, and the collecting box 2 is ready for the soldering process.
- the flat tube ends 3a are inserted into the openings 4 with their flat tube ends 3a and protrude approximately halfway into the free cross section of the longitudinal channels 5, 6 with their upper edge 3b. Since the cross section of the longitudinal channels 5, 6 here has a maximum width, the cross section which then narrows results in a stop for the flat tubes 3.
- FIG. 3 shows a section through the gas cooler 1 in the plane III-III in FIG. 2.
- This section through the longitudinal channel 5 shows the partition 7, which has U-shaped notches 15 in the region of the flat tube ends 3a.
- a gap 16 is left between the contour of the flat tube ends 3a and the contour of the notch 15, which opens a flow cross-section between the two longitudinal channels 5, 6.
- the refrigerant can escape through this gap 16 in the middle of the flat tube ends 3a, and on the other hand, refrigerant can flow from one longitudinal channel 5 into the other longitudinal channel 6 and vice versa, so that pressure equalization can take place between the two longitudinal channels.
- the notches 15 and the gap shape 16 are only given by way of example in the drawing - the shape of the gap can also be modified in such a way that only above the flat tube ends, ie. H. There is a gap above the upper edge 3b or only to the side of the flat tube ends 3a. In the latter case, the flat tube upper edge 3b would abut the notch in the partition 7, which would result in a stop.
- the tongues 11, 12 protrude from the outer wall of the collecting tank 2 and are each arranged approximately in the middle between two flat tubes 3. However, it is also possible to skip one or more flat tube spacings and to arrange the tongues 11, 12 and the cutouts 13 at any spacing between two flat tubes.
- FIG. 4 shows a further exemplary embodiment of a gas cooler 20 with a collecting box 21 and flat tubes 22. Tongues 23 and recesses 24 are here on the top of the collecting box 21, i. H. arranged on the side facing away from the flat tubes 22.
- Fig. 5 shows this gas cooler 20 in section.
- the collecting box 21 is in principle the same as in the exemplary embodiment according to FIG. 2, but is a mirror image.
- the collecting box 21 has two longitudinal chambers 21a, 21b which are separated from one another by a double longitudinal partition wall 25.
- the flat tubes 22 are inserted into the collecting box 21 through an opening that is not visible here, so that they fill about half of the longitudinal channels 21a, 21b with their flat tube ends 22a.
- the upper edge 22b is thus at the height of the maximum width of the inner cross sections.
- the Flat tube 22 has a continuous depth t which extends into the collecting box 21.
- FIG. 6 shows a section in the plane VI-VI through the longitudinal channel 21a in FIG. 5.
- the flat tubes 22 are inserted through corresponding openings 26 in the collecting box 21, the openings 26 extending over the full depth t of the flat tube 22.
- Approximately circular notches 27 are arranged above the upper edge 22b of the flat tube ends 22a, which pass into a rectangular cross section corresponding to the flat tube cross section and thus allow the insertion of the flat tube ends 22a.
- an approximately circular gap 28 is left, which forms a passage cross section between the two longitudinal chambers 21a, 21. No gap is left immediately next to the flat tube ends 22a.
- the tongues 23 and also the recesses which are not visible here are also arranged here between the flat tubes 22.
- FIG. 7 shows a third exemplary embodiment of a gas cooler 30 with a collecting box 31 and flat tubes 32.
- a double longitudinal partition wall 33 is anchored with tongues 34 in a central connecting area 35, this connecting area 35 being slightly retracted after them, i. H. offset inward by an amount x with respect to a lower boundary line I of the collecting tank 31.
- the cross sections of the long channels 36, 37 are approximated to the circular shape beyond the three-quarter circle (270 degrees). Nevertheless, the offset central connection area 35 and the double longitudinal partition 33 form a right angle. This cross-sectional shape thus offers a higher compressive strength for the collecting tank 31.
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)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10302412A DE10302412A1 (de) | 2003-01-21 | 2003-01-21 | Wärmeübertrager, insbesondere Gaskühler |
DE10302412 | 2003-01-21 | ||
PCT/EP2003/012467 WO2004065882A1 (de) | 2003-01-21 | 2003-11-07 | Wärmeübertrager, insbesondere gaskühler |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1588115A1 true EP1588115A1 (de) | 2005-10-26 |
EP1588115B1 EP1588115B1 (de) | 2009-09-09 |
Family
ID=32602865
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03815365A Expired - Lifetime EP1588115B1 (de) | 2003-01-21 | 2003-11-07 | Wärmeübertrager, insbesondere gaskühler |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060054313A1 (de) |
EP (1) | EP1588115B1 (de) |
JP (1) | JP2006513392A (de) |
CN (1) | CN100573021C (de) |
AT (1) | ATE442565T1 (de) |
AU (1) | AU2003303762A1 (de) |
BR (1) | BR0318023A (de) |
DE (2) | DE10302412A1 (de) |
WO (1) | WO2004065882A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5081521B2 (ja) * | 2006-08-22 | 2012-11-28 | カルソニックカンセイ株式会社 | 車両用空調装置 |
DE102007035111A1 (de) * | 2007-07-20 | 2009-01-29 | Visteon Global Technologies Inc., Van Buren | Vorratstank für Hochdruckkältemittel-Wärmeübertrager und Verfahren zur Herstellung eines Vorratstanks |
EP2107328B1 (de) * | 2008-04-02 | 2012-07-11 | Behr GmbH & Co. KG | Verdampfer |
DE102008035358A1 (de) | 2008-07-29 | 2010-02-04 | Modine Manufacturing Co., Racine | Wärmetauscher mit Sammelrohr und Sammelrohr sowie Herstellungsverfahren dafür |
DE102009013280A1 (de) | 2009-03-14 | 2010-09-16 | Modine Manufacturing Co., Racine | Wärmetauscher mit Sammelkasten |
DE102009023954A1 (de) * | 2009-06-04 | 2010-12-09 | Behr Gmbh & Co. Kg | Sammelrohr für einen Kondensator |
DE102009033696A1 (de) | 2009-07-17 | 2011-01-20 | Modine Manufacturing Co., Racine | Herstellungsverfahren für Sammelkästen |
CN101995116B (zh) * | 2009-08-20 | 2014-07-30 | 贝洱两合公司 | 蒸发器 |
CN103486774A (zh) * | 2013-09-24 | 2014-01-01 | 浙江基力思汽车空调有限公司 | 一种卷压式集管平行流蒸发器 |
CN107255373A (zh) * | 2016-12-19 | 2017-10-17 | 浙江银轮机械股份有限公司 | 一种空调设备用热交换器及其集流器 |
CN111256392B (zh) * | 2018-11-30 | 2023-03-28 | 浙江三花汽车零部件有限公司 | 一种换热器 |
EP3889537B1 (de) | 2018-11-30 | 2024-05-01 | Zhejiang Sanhua Automotive Components Co., Ltd. | Wärmeaustauschvorrichtung |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4770240A (en) * | 1985-05-13 | 1988-09-13 | Stark Manufacturing, Inc. | Manifold for a heat exchanger |
US5174373A (en) * | 1990-07-13 | 1992-12-29 | Sanden Corporation | Heat exchanger |
US5190101A (en) * | 1991-12-16 | 1993-03-02 | Ford Motor Company | Heat exchanger manifold |
US5172761A (en) * | 1992-05-15 | 1992-12-22 | General Motors Corporation | Heat exchanger tank and header |
JPH07318288A (ja) * | 1994-05-12 | 1995-12-08 | Zexel Corp | 熱交換器のタンク仕切構造 |
US5761808A (en) * | 1996-10-30 | 1998-06-09 | Ford Motor Company | Method of making a heat exchanger |
BR9714663A (pt) * | 1997-05-12 | 2000-07-11 | Norsk Hydro As | Trocador de calor |
US6216776B1 (en) * | 1998-02-16 | 2001-04-17 | Denso Corporation | Heat exchanger |
JP3670135B2 (ja) * | 1998-05-06 | 2005-07-13 | 俊臣 林 | 枝管を一体に備えた管状体の製造方法 |
DE19826881B4 (de) * | 1998-06-17 | 2008-01-03 | Behr Gmbh & Co. Kg | Wärmeübertrager, insbesondere Verdampfer |
US6216777B1 (en) * | 2000-01-27 | 2001-04-17 | Visteon Global Technologies, Inc. | Manifold for a heat exchanger and method of making same |
DE10056074B4 (de) * | 2000-11-07 | 2017-03-23 | Mahle International Gmbh | Wärmeübertrager |
US6736203B2 (en) * | 2001-04-30 | 2004-05-18 | Visteon Global Technologies, Inc. | Heat exchanger header and tank unit |
DE10132484A1 (de) * | 2001-07-05 | 2003-01-23 | Behr Gmbh & Co | Wärmetauscher und Verfahren zu dessen Herstellung |
-
2003
- 2003-01-21 DE DE10302412A patent/DE10302412A1/de not_active Withdrawn
- 2003-11-07 DE DE50311904T patent/DE50311904D1/de not_active Expired - Lifetime
- 2003-11-07 AT AT03815365T patent/ATE442565T1/de not_active IP Right Cessation
- 2003-11-07 JP JP2004566754A patent/JP2006513392A/ja active Pending
- 2003-11-07 CN CNB200380108897XA patent/CN100573021C/zh not_active Expired - Fee Related
- 2003-11-07 AU AU2003303762A patent/AU2003303762A1/en not_active Abandoned
- 2003-11-07 BR BR0318023-9A patent/BR0318023A/pt not_active IP Right Cessation
- 2003-11-07 US US10/542,711 patent/US20060054313A1/en not_active Abandoned
- 2003-11-07 WO PCT/EP2003/012467 patent/WO2004065882A1/de active Application Filing
- 2003-11-07 EP EP03815365A patent/EP1588115B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO2004065882A1 * |
Also Published As
Publication number | Publication date |
---|---|
BR0318023A (pt) | 2005-12-06 |
WO2004065882A1 (de) | 2004-08-05 |
US20060054313A1 (en) | 2006-03-16 |
JP2006513392A (ja) | 2006-04-20 |
DE50311904D1 (de) | 2009-10-22 |
DE10302412A1 (de) | 2004-07-29 |
AU2003303762A1 (en) | 2004-08-13 |
EP1588115B1 (de) | 2009-09-09 |
CN1738999A (zh) | 2006-02-22 |
CN100573021C (zh) | 2009-12-23 |
ATE442565T1 (de) | 2009-09-15 |
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