EP2483620A1 - Automobile condenser having enhanced integration - Google Patents
Automobile condenser having enhanced integrationInfo
- Publication number
- EP2483620A1 EP2483620A1 EP10757433A EP10757433A EP2483620A1 EP 2483620 A1 EP2483620 A1 EP 2483620A1 EP 10757433 A EP10757433 A EP 10757433A EP 10757433 A EP10757433 A EP 10757433A EP 2483620 A1 EP2483620 A1 EP 2483620A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fluid
- outlet
- blades
- inlet
- manifold
- 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
- 230000010354 integration Effects 0.000 title description 3
- 239000012530 fluid Substances 0.000 claims abstract description 78
- 238000004378 air conditioning Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 6
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims 3
- 239000012809 cooling fluid Substances 0.000 description 26
- 239000003507 refrigerant Substances 0.000 description 16
- 239000002826 coolant Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
-
- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0093—Multi-circuit heat-exchangers, e.g. integrating different heat exchange sections in the same unit or heat-exchangers for more than two fluids
-
- 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
- F28F9/0246—Arrangements for connecting header boxes with flow lines
-
- 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
- F28D2021/0084—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/06—Derivation channels, e.g. bypass
Definitions
- the invention relates to the field of air conditioning circuits, in particular for motor vehicles.
- a condenser for use in such a circuit, comprising a stack, in a longitudinal direction, of stamped plates delimiting first blades for the circulation of a first fluid and second blades for the circulation of a second fluid, said second blades being interposed in said first blades; two first collectors, formed by the alignment in the longitudinal direction and the fluid communication of inlet and outlet ports respectively belonging to the blades for the first fluid, a first of said first collectors, said inlet manifold for the first fluid, comprising at least two connecting lines, the other of said first collectors, said output manifold for the first fluid, comprising at least two other connecting lines; a first inlet pipe, intended for the first fluid, opening into a so-called upstream connecting pipe of said connecting pipes of the inlet manifold for the first fluid; a first outlet pipe, intended for the first fluid, opening into a connecting pipe, called downstream, of said connecting lines of the outlet manifold for the first fluid, said connecting ducts of the inlet manifold and said
- Condensers of this type must be mounted inside the vehicle and connected to the first and second fluid circuits.
- the size and connection possibilities of these condensers are particularly critical for the integration of the condensers in the vehicle. In addition, it seeks easy accessibility to the connection between the condenser and the rest of the circuits to facilitate assembly and subsequent maintenance operations.
- the proposed condenser is aimed at a condenser as defined in the introduction comprising an outlet pipe communicating said downstream connecting pipe with said outlet pipe, so that the first inlet pipe and the first outlet pipe are provided on the same first end face of said stack.
- the inputs and outputs of the first fluid are on the same side of the exchanger. This facilitates integration into the motor vehicle and improves accessibility to the connections of the condenser in question.
- said upstream connection line is close to said first end face, while said downstream connection pipe is remote.
- the condenser further comprises, for example, two seconds collectors formed by the alignment in the longitudinal direction and the fluid communication of inlet and outlet ports respectively belonging to the blades for the second fluid.
- said first collectors are mutually juxtaposed in the lateral direction and / or said second collectors are mutually juxtaposed in the lateral direction.
- the first inlet pipe and / or the first outlet pipe may pass through said first end face.
- Said condenser comprises, for example, shutter plates for the inlet and / or outlet ports belonging to the blades intended for the first fluid, each time a shutter plate delimiting two connecting pipes in the respective first manifold. And at least one of the closure plates is adapted to be traversed by the outlet pipe.
- said closure plate is, for example, provided with a shaped orifice corresponding to the cross section of the outlet pipe, at least in the vicinity of said closure plate, and sealing means disposed externally. between the outlet pipe and the sealing plate.
- the sealing means comprise, in particular, a solder deposit.
- the outlet pipe passes successively through the inlet and / or outlet orifices of each blade forming a connecting pipe adjacent to the downstream connecting pipe, in the outlet manifold for the first fluid.
- the outlet pipe can thus pass through the inlet and / or outlet orifices of each blade forming each connecting pipe disposed longitudinally between the first end face and the downstream connecting pipe, in the outlet manifold for the first fluid.
- a first portion of said stack delimits the second blades inserted in a portion of said first blades, while a second portion of the stack delimits third blades for the circulation of a third fluid, said thirds blades being interposed in the other part of said first blades, said downstream connection line belonging to the second part of said stack.
- the condenser further comprises, for example, two third collectors mutually juxtaposed in the lateral direction and formed by the alignment in the longitudinal direction and the communication between fluid of inlet and outlet ports. respectively belonging to the blades for the third fluid, these third collectors being delimited in their entirety in at least two connecting lines; a third inlet manifold and a third outlet manifold for the third fluid.
- the third inlet pipe and the third outlet pipe pass through, in particular, a second end face of said stack, this second face being longitudinally opposite to said first end face.
- the third inlet pipe and the third outlet pipe may be in fluid communication respectively with the third collectors.
- Said first and second parts of said stack are, for example, separated from each other by an intermediate separating plate.
- the latter comprises, in particular, a first orifice adapted to be traversed by the outlet pipe. It may also be adapted to close the inlet and outlet ports belonging to the blades for the second fluid remote from said first end face.
- the separation plate is provided with additional orifices calibrated for respectively putting the second collectors and the third collectors into fluid communication, the second and the third fluids then being the same and the condenser having a single manifold inlet and a single outlet pipe for said same fluid.
- FIG. 1 shows a first embodiment of a condenser according to the invention, seen in isometric perspective
- Figure 2 shows the condenser of Figure 1 seen in exploded isometric perspective, some of the plates having been omitted
- - Figure 3 shows the condenser of Figure 1 seen in plan and from above
- Figure 4 is a view of the condenser of Figure 1 seen in cross section along the line IV-IV of Figure 3
- FIG. 5 shows the condenser of FIG. 1 seen in cross section along the line VV of FIG. 3
- FIG. 6 shows a second embodiment of a condenser in a view similar to that of FIG.
- Figures 1 to 5 show a condenser 10 intended to be part of an air conditioning circuit, not shown, in particular for a motor vehicle.
- a refrigerant, or first fluid through a closed loop in a compressor, the aforementioned condenser, an expander and an evaporator, before returning to the compressor, and so on.
- the condenser 10 is intended to operate with a refrigerant fluid capable of being present both in a liquid form and in a gaseous form, for example a fluorinated fluid such as that known under the name R134a.
- the condenser 10 comprises a first heat exchange unit 12 for cooling the cooling fluid until it is condensed by means of a first cooling fluid.
- This cooling fluid may consist of water containing an antifreeze, for example of the glycol type.
- the condenser 10 further comprises a second heat exchange unit 14 for sub-cooling the fluid refrigerant by means of a second cooling fluid.
- the second cooling fluid may also consist of water containing an antifreeze.
- the second cooling fluid and the first cooling fluid can form a single fluid flowing in the same circuit.
- the condenser 10 may also comprise a bottle, not shown, interposed between the first block 12 and the second block 14, and adapted to be traversed by the refrigerant.
- the cooling fluid in the gas phase as coming from the compressor, is first cooled until it is condensed in the first block 12. If necessary, this cooling fluid passes through the bottle where it is filtered and dehydrated. Then the condensed refrigerant flows through the second block 14 which ensures the undercooling.
- the condenser 10 further comprises a first flange 16 and a second flange 18, both interposed between the first block 12 and the second block 14.
- the first flange 16 and the second flange 18 form interfaces for the circulation of the refrigerant between this first block 12 and this second block 14.
- the condenser comprises a specific plate, similar in shape to the other plates of the first and second blocks but having only two orifices, said specific plate separating said blocks while allowing through said two orifices a communication of the refrigerant between the two blocks.
- the first block 12 comprises a series of stamped plates 20 stacked in a longitudinal direction of the condenser 10.
- the stamped plates 20 have a general shape of rectangular bowl.
- the stamped plates 20 of the first block 12 delimit circulation strips for the refrigerant fluid which alternate with circulation blades for the first cooling fluid.
- these stamped plates 20 define first blades for the circulation of the refrigerant and second blades for the circulation of the first cooling fluid, said second blades being interposed in said first blades.
- the second block 14 also comprises a series of stamped plates 22, stacked in the longitudinal direction of the condenser 10.
- the stamped plates 22 have a general appearance similar to that of the stamped plates 20.
- These stamped plates 22 form circulation blades for the cooling fluid which alternates with circulation blades for the second cooling fluid.
- these stamped plates 22 define third blades for the circulation of the second cooling fluid, said third blades being interposed in a portion of said first blades.
- the stack of stamped plates 20 and 22 comprises a first part, corresponding to the first heat exchange block 12, which delimits second blades interposed in a first part of said first blades, while the other part of this stack of plates delimits third blades interposed in the other part of said first blades.
- the stamped plates 20 of the first block 12 are maintained between the first flange 16 and a first end plate 24, longitudinally opposite to the first flange 16.
- the stamped plates 22 of the second block 14 are between the second flange 18 and a second end plate 26, longitudinally opposite to the second flange 18.
- the first end plate 24 carries a connection flange 28 for the entry of the refrigerant to be condensed and a connection flange 30 for the output of this coolant, condensed and undercooled.
- the circulation of this refrigerant inside the condenser 10 is illustrated by arrows F1.
- the first cooling fluid enters the first block 12 through an inlet pipe 32 and exits through an outlet pipe 34, both carried by the first end plate 24.
- cooling is represented by an arrow F2.
- the second cooling fluid enters the second block 14 through an inlet pipe 36 and exits through an outlet pipe 38, both carried by the second end plate 26.
- the circulation of the second fluid cooling is represented by an arrow F3.
- the first and the second cooling fluid may be a single fluid taken at different places of the same circuit, or different fluids in the sense that they have different compositions and / or belong to different circuits.
- Each of the stamped plates 20 of the first block 12 presents four circular orifices 39, for example located in the vicinity of each corner of the plate, provided substantially rectangular.
- Each of the orifices of the same stamped plate 20 belongs to an alignment, in the longitudinal direction, of the homologous orifices of the set of stamped plates 20 of the first block 12.
- each of the stamped plates 22 of the second block 14 is pierced with four circular orifices. Two of these orifices respectively belong to two homologous orifice alignments of the stamped plates 22 of this block 14, whereas the two other orifices belong to two respective alignments of the first heat exchange block 12.
- each orifice of a stamped plate 22 of the second block 14 is here in alignment, in the longitudinal direction with an alignment of homologous orifices of stamped plates 20 of the first block 12.
- first collectors 40 and 42 mutually juxtaposed in the lateral direction, formed by the alignment, in the longitudinal direction, and the placing in communication of fluid, of inlet and outlet ports. respectively belonging to the blades for the refrigerant.
- first collectors 40 and 42 are formed of orifices belonging to stamped plates 20 of the first block 12 and orifices formed in stamped plates 22 of the second heat exchange block 14.
- Three third collectors mutually juxtaposed in the lateral direction, formed by the alignment in the longitudinal direction and the communication between inlet and outlet fluid fluids respectively belonging to the blades for the second cooling fluid are also formed. These third collectors are formed by the alignment of orifices formed in stamped plates 22 of the second heat exchange unit 14 only.
- the first collectors 40 and 42 are, as a whole, delimited into several connecting pipes.
- the first inlet manifold 40 connected to the inlet connection flange 28, is partitioned into four connecting pipes 52, 54, 56 and 58 adjacent to each other, while the first outlet manifold 42, connected to the outlet connection flange 30, is partitioned into three connecting lines 60, 62 and 64.
- the connection flange 28 for the refrigerant inlet opens into the connecting line 52 of the first inlet manifold 40.
- the connecting pipe 52 thus forms an upstream connecting pipe, close to the first end plate 24.
- the coolant flows in a part of the stamped plates 20 to reach the connecting pipe 60 of the first outlet manifold 42 From there, the refrigerant flows laterally through the condenser 10 to reach the connecting line 54 of the first inlet manifold 40, then the connecting line 62 of the first outlet manifold 42, and then the link 56 of the first input manifold 40, adjacent to the connecting line 54, in an alternating flow from the first input manifold to the first output manifold.
- the connecting pipe 58 of the first inlet manifold 40 is formed by the alignment of the orifices of each of the stamped plates 22 of the second heat exchange block 14.
- the first flange 16 and the second flange 18 are respectively drilled with a through hole, the two through holes coinciding with each other for the passage of the refrigerant fluid from the connecting line 56, the first block 12, to the connecting line 58 of the second block 14.
- the coolant gains the connecting pipe 64, which thus forms a downstream pipe remote from the first end face 24.
- the connecting pipe 64 of the second block 14 is separated from the adjacent connecting pipe 62 by the first flange 16 and the second flange 18. These first and second flanges 18 are here in mutual support on most of their surface.
- connecting lines 52, 54, 56, 60 and 62 is partitioned with respect to one another by closing the corresponding orifice of a stamped plate 20 of the first block 12, for example by means of a flat cap 66 visible in Figure 2.
- An outlet pipe 68 connects the outlet connection flange 30 in fluid communication with an orifice 70 formed in the second flange and opening into the connecting pipe 64 of the second block 14.
- the end of the tubing 68, near the second block 14 is received in a bore 72 adapted formed in the first flange 16.
- the coolant flows from the connecting line 64 to the connection flange 30 via the outlet line 68, to leave the condenser 10.
- the outlet duct 68 thus passes through a portion of the first outlet manifold 40, namely the connecting ducts 60 and 62.
- the outlet pipe 68 passes through the homologous orifices of each of the stamped plates 20 of the block 12.
- the flat plug 66 separating the connecting pipe 60 from the connecting pipe 66 is pierced with a correspondingly shaped hole. the peripheral contour of the outlet pipe 68 at this level.
- a brazing operation seals between the outer wall of the outlet pipe 68 and said flat cap 66, creating a solder deposit therein.
- the connecting pipe 68 passes through the first outlet manifold 42 being coaxial therewith, said connecting pipe 68 leaving an annular passage for the circulation of said first fluid in the at least one connecting duct 60, 62. located above the downstream link line 64.
- the first cooling fluid enters the first block 12 through the inlet pipe 32 and gains the second inlet manifold 44. From there, the cooling fluid passes through the condenser 10 by means of the blades which are intended for it and reaches the second outlet manifold 46 for outlet by the pipe 34.
- One or more additional passes of this coolant could be provided in a manner similar to that described above.
- the second cooling fluid enters the second block 14 via the tubing 36 and thus opens into the third inlet manifold 48.
- This cooling fluid reaches the outlet manifold 50 via the blades that are intended for it and leaves by tubing 38. Again, one or more additional passes could be provided.
- FIG. 6 shows a second condenser 20 as a variant of the condenser 10.
- the condenser 20 differs from the condenser 10 in that the same cooling fluid is used in the first heat exchange block 12 and the second block of heat exchange 14 as the first cooling fluid and the second cooling fluid, respectively.
- the second end plate 50 is devoid of inlet pipe 36 and outlet pipe 38.
- the first flange 16 and the second flange 18 are provided with calibrated orifices 78 and 80, in correspondence of the third inlet manifold 48 and the third outlet manifold 50, to ensure a passage of the cooling fluid from the first heat exchange block 12 to the second heat exchange block 14.
- a manifold of 'Entrance is provided for the second and third fluids on each of the blocks while a single outlet tubing is provided for said second and third fluids, the condenser allowing mixing of said second and third fluids in one of said second or third output manifold, provided connected to said single outlet tubing.
- the one or more flanges or separating plates between the two blocks are pierced with an orifice to allow communication between said second and third output manifolds, said second and third inlet manifolds being kept separated by the or said flanges or separating plates.
- the second block 14 could be replaced or supplemented by an internal heat exchanger, that is to say a heat exchanger in which the same fluid flows in both types of blades, under conditions of different temperature and pressure.
- the stacking of the stamped plates 22 of the second block 14 can then be oppositely oriented with respect to the stamped plates 20 of the first block 12.
- the stamped plates 20 of the first block 12 and those 22 of the second block 14 are similarly shaped and are stacked while being oriented alternately with respect to one another. This makes it possible to produce a condenser 10 at a lower cost and facilitates assembly.
- the plates 20 of the first block 12 and 22 of the second block 14 may differ from each other, by their shape, by the material used for their realization, or otherwise.
- the stacking pitch of the stamped plates 20 of the first block 12 and that of the plates 22 of the second block 14 may differ from one another.
- first flange 16 and the second flange 18 have been shown in mutual support, they may be distant from each other, particularly if it is necessary to insert a circuit element between the first and second flanges 18. block 12 and the second block 14.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0904668A FR2950682B1 (en) | 2009-09-30 | 2009-09-30 | CONDENSER FOR MOTOR VEHICLE WITH ENHANCED INTEGRATION |
PCT/EP2010/064358 WO2011039186A1 (en) | 2009-09-30 | 2010-09-28 | Automobile condenser having enhanced integration |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2483620A1 true EP2483620A1 (en) | 2012-08-08 |
EP2483620B1 EP2483620B1 (en) | 2019-11-13 |
Family
ID=42113108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10757433.7A Active EP2483620B1 (en) | 2009-09-30 | 2010-09-28 | Condenser for vehicles with improved integration |
Country Status (6)
Country | Link |
---|---|
US (1) | US9429367B2 (en) |
EP (1) | EP2483620B1 (en) |
JP (1) | JP2013506809A (en) |
CN (1) | CN102639953B (en) |
FR (1) | FR2950682B1 (en) |
WO (1) | WO2011039186A1 (en) |
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- 2010-09-28 WO PCT/EP2010/064358 patent/WO2011039186A1/en active Application Filing
- 2010-09-28 EP EP10757433.7A patent/EP2483620B1/en active Active
- 2010-09-28 JP JP2012531361A patent/JP2013506809A/en active Pending
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Also Published As
Publication number | Publication date |
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US9429367B2 (en) | 2016-08-30 |
FR2950682B1 (en) | 2012-06-01 |
CN102639953A (en) | 2012-08-15 |
CN102639953B (en) | 2015-11-25 |
JP2013506809A (en) | 2013-02-28 |
EP2483620B1 (en) | 2019-11-13 |
WO2011039186A1 (en) | 2011-04-07 |
FR2950682A1 (en) | 2011-04-01 |
US20120234523A1 (en) | 2012-09-20 |
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