EP3769025A2 - Echangeur thermique comprenant des tubulures de raccordement pour l'alimentation et l'evacuation d'un fluide caloporteur - Google Patents
Echangeur thermique comprenant des tubulures de raccordement pour l'alimentation et l'evacuation d'un fluide caloporteurInfo
- Publication number
- EP3769025A2 EP3769025A2 EP19772780.3A EP19772780A EP3769025A2 EP 3769025 A2 EP3769025 A2 EP 3769025A2 EP 19772780 A EP19772780 A EP 19772780A EP 3769025 A2 EP3769025 A2 EP 3769025A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- heat exchanger
- pipe
- flange
- duct
- 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.)
- Pending
Links
- 239000013529 heat transfer fluid Substances 0.000 title abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 claims abstract description 9
- 230000037431 insertion Effects 0.000 claims abstract description 9
- 239000002826 coolant Substances 0.000 claims description 10
- 230000000295 complement effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005219 brazing Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229920000299 Nylon 12 Polymers 0.000 description 1
- 229920002292 Nylon 6 Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000000763 evoking effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000000352 storage cell Anatomy 0.000 description 1
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
- F28F9/0246—Arrangements for connecting header boxes with flow lines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
- F28F2280/04—Means for preventing wrong assembling of parts
Definitions
- Heat exchanger comprising connecting pipes for supplying and discharging a heat transfer fluid
- the invention relates to the field of thermal regulation of batteries, and more particularly relates to heat exchangers for the thermal management of batteries, particularly in the automotive field.
- the invention relates more precisely to the connection between such a heat exchanger and a thermal regulation circuit in which circulates a heat transfer fluid.
- the electrical energy of electrically and / or hybrid powered vehicles is provided by one or more batteries.
- the battery is generally formed of a plurality of electrical energy storage cells forming one or more modules arranged in a protective housing to form what is called a battery pack.
- the thermal regulation of the battery is an important point.
- the temperature of the battery must be regulated, at a temperature around 20 ° C, to ensure the reliability, autonomy, and performance of the vehicle, while optimizing the life of the battery.
- thermo regulation device In order to regulate the temperature of the battery, it is known to use a thermal regulation device providing the heating and cooling functions of the battery.
- Such a thermal regulation device comprises in particular a heat exchanger delimiting a circulation circuit of a heat transfer fluid and disposed in thermal contact with the electric cells of the battery.
- the heat transfer fluid is introduced into the circulation circuit, and discharged from it, via supply and discharge conduits, sealingly connected to inlet and outlet pipes carried by the exchanger thermal.
- the supply and exhaust ducts are forced into the inlet and outlet pipes of the heat exchanger.
- the end of the ducts may come into contact with the surface of the exchanger, which must then withstand relatively large forces that may eventually lead to its deterioration (deformation in particular).
- a pipe clamp is conventionally positioned around the pipes so as to seal the connection between the pipes and the pipes of the heat exchanger. thermal.
- the invention proposes a heat exchanger comprising an inlet pipe and an outlet pipe for a coolant on which are intended to be inserted respectively a supply pipe and a conduit for discharging the coolant.
- said inlet manifold and said outlet manifold each have on their outer surface means for sealing and retaining said conduit and a flange forming abutment limiting insertion of said conduit on said corresponding manifold.
- the invention consists in providing on the inlet and outlet pipes of a heat exchanger - means for sealing and retaining the ducts of a thermal regulation circuit coming to fit on these pipes, and - flanges forming stops which are intended to limit the axial insertion of the ducts on the tubes of so as not to degrade the heat exchanger when connecting the heat exchanger to the thermal control circuit.
- the flange serves as an axial stop at one end of the duct when it is fitted on the corresponding tubing.
- the sealing and retaining means of the duct have two functions.
- the solution of the invention is of simple design, facilitates assembly, and minimizes the risk of damage to the heat exchanger.
- a groove is provided under the abutment. This groove is adapted to receive a tool or a part of an assembly means in order to position the collar in said assembly means and to precisely control the fitting of the conduit on the corresponding tubing.
- an end of said inlet pipe and said outlet pipe is secured respectively to an inlet port and a heat transfer fluid outlet port carried by said heat exchanger.
- the pipes are mounted on the corresponding ports of the heat exchanger, for example by welding or brazing, so as to form an inseparable assembly with the heat exchanger.
- said flange is located in the vicinity of the end of said manifold secured to said port.
- the flange forming a stop for the end of the duct, which extends on the periphery of the tubing, is located near the surface of the exchanger.
- said flange extends at least partially on the outer surface of said tubing.
- the flange extends over the entire outer periphery of the tubing or on a portion only, its function being to limit the axial insertion of the duct on the tubing.
- said sealing and retaining means comprise at least one circular tooth carried by the outer surface of said tubing.
- the presence of at least one tooth, or projection, on the outer surface of the tubing makes it possible to seal between the outer surface of the tubing and the inner surface of the corresponding duct, by filling the gap existing between the duct and the tubing.
- said at least one tooth has a truncated cone-shaped section whose base faces said flange.
- This specific tooth profile has the advantage of eliminating or at least minimizing the risk of accidental removal of the conduit, when inserted on the corresponding tubing.
- said sealing and retaining means comprise three circular teeth spaced along the outer surface of the tubing.
- said inlet manifold and said outlet manifold each have angular positioning means of said corresponding conduit on said tubing intended to cooperate with complementary angular positioning means formed in each of said conduits.
- the angular positioning means formed on the pipes and ducts make it possible, on the one hand, to precisely position the end of the duct in a predetermined position around the corresponding pipe, and on the other hand to lock the duct in rotation on the pipe. corresponding tubing.
- said angular positioning means comprise at least one notch formed in said flange adapted to cooperate with at least one lug carried by said duct.
- said angular positioning means comprise at least one lug carried by said flange, adapted to cooperate with at least one notch formed in said duct.
- the invention also relates to a thermal regulation assembly comprising a heat exchanger as described above, and at least one heat transfer fluid supply duct in said heat exchanger and a heat transfer fluid discharge duct out of said heat exchanger.
- FIG. 1 is a perspective view of a plate heat exchanger, comprising an inlet pipe and a heat transfer fluid outlet pipe to which a supply pipe and a fluid evacuation pipe are respectively connected.
- FIG. 2 is a close-up view of the two pipes, each comprising sealing and retaining means, and a flange forming a stop, before fitting of the ducts;
- FIG. 3 is a close view of the two pipes, after fitting ducts, the end of the pipes abutting on the flanges of the pipes;
- FIGS. 4 and 5 illustrate a first embodiment of the angular positioning means, before and after fitting of the conduits on the tubes, in which the collar of each tube is provided with a notch designed to cooperate with a pin formed on the tube. corresponding conduit;
- FIGS. 6 and 7 illustrate a second embodiment of the angular positioning means, before and after fitting of the ducts on the pipes, in which the collar of each pipe is provided with a lug intended to cooperate with a notch formed in the pipe. corresponding conduit.
- the invention proposes to optimize the connection operations between a heat exchanger, with plates or tubes, delimiting a circuit for a heat transfer fluid, and the conduits for supplying and discharging the coolant.
- the invention proposes that the heat exchanger comprises an inlet pipe and a heat transfer fluid outlet pipe having a specific profile, these pipes being secured respectively to an inlet port and an outlet port of the coolant of the exchanger.
- a supply duct for the coolant flows on the inlet pipe of the heat exchanger and the heat transfer fluid discharge duct runs on the outlet pipe of the heat exchanger.
- each of the inlet and outlet pipes of the heat exchanger has means making it possible at the same time to ensure the seal between the pipe of the heat exchanger and the corresponding pipe, and maintain in position the conduit on the tubing of the heat exchanger.
- the sealing means are provided directly on the tubes of the heat exchanger, which avoids the use of additional seals and other sealing elements, and simplifies the assembly operations and the reliability of the assembly. .
- the inlet pipe and the outlet pipe of the heat exchanger also comprise a flange forming an axial abutment for the end of the duct coming into the tubing.
- the forcings force force duct on the tubing are cashed by the flange and not by the surface of the heat exchanger, which avoids the degradation of the latter.
- a plate heat exchanger 1 is illustrated in FIG.
- It comprises two contiguous plates, one of which is intended to be placed in thermal contact with the batteries of a motor vehicle of electric or hybrid type for their thermal regulation, the two plates delimiting between them a circulation circuit of a coolant .
- the surface 10 of the upper plate carries an inlet port 11 and an outlet port 12 of the coolant, in the form of a neck of the plate, which are intended to be respectively connected to a supply duct 21 and a fluid discharge conduit 22 connected to a thermal control loop of a vehicle, in this example.
- the supply ducts 21 and the discharge 22 of the fluid are preferably flexible or semi-rigid, and for example made of a material chosen from a polyamide 6, a polyamide 12, a copolymer or a composite material.
- connection pipes or sleeves 31, 32 In order to connect the ducts 21, 22 to the inlet port 11 and to the outlet port 12 respectively of the heat exchanger 1, the invention provides for the use of connection pipes or sleeves 31, 32, and more specifically a tubing inlet 31 and an outlet pipe 32, shown in FIG.
- each of the connecting pipes 31, 32 is sealingly secured to the respective port 11, 12, preferably by brazing or welding.
- connection pipes 31, 32 are, for example, made of aluminum.
- connection pipes 31, 32 have a specific profile that provides both a sealing function and a position-holding function of the ducts 21, 22, once these have been forced onto the pipes. connecting pipes 31, 32.
- each connecting pipe 31, 32 comprises on its substantially cylindrical outer surface a plurality of teeth 33, or protrusions, circular arranged.
- peripheral circular teeth 33 are regularly spaced along the main axis of each connection pipe 31, 32, on the periphery of the latter.
- the main axis is defined here as being the longitudinal axis of the connection pipes 31, 32, perpendicular to the surface 10 of the heat exchanger 1.
- Each tooth 33 viewed along a plane including the main axis of the connecting pipe, has a truncated cone-shaped profile.
- the base of the truncated cone is oriented towards the inlet 11 and outlet 12 ports of the heat exchanger 1.
- connection pipes 31, 32 could comprise a number of teeth 33 more or less high, the distribution of these teeth 33 along the main axis may differ from that shown in the figures.
- the profile of the teeth 33 makes it possible to retain the ducts 21, 22 on the connecting pipes 31, 32 once the ducts 21, 22 have been inserted on the pipes: the teeth 33 in fact widen towards the surface 10 of the pipe. heat exchanger 1, which eliminates, or at least minimizes, the risk of accidental removal of the ducts 21, 22.
- each connecting pipe 31, 32 carries a flange 34, forming a stop, which extends on the outer surface of the connection pipe 31, 32, in the vicinity of the corresponding inlet or outlet port 12 , that is to say in the vicinity of the end of the connecting pipe 31, 32 oriented towards the heat exchanger 1.
- the flange 34 is more precisely located between the plurality of teeth 33 and the corresponding port 11, 12, along the main axis of the connection pipe 31, 32.
- This flange 34 may be "integral”, that is to say formed on the entire periphery of the connecting pipe 31, 32, or "partial”, that is to say formed only on a portion of the periphery of the connecting pipe 31, 32.
- the flange 34 therefore has the main function of limiting the axial insertion of the duct 21, 22 and of taking up the forces at the end of the fitting operation of the duct 21, 22 on the corresponding connection pipe 31, 32, which avoids the surface 10 of the heat exchanger 1 to undergo these efforts and to be degraded.
- the flange 34 makes it possible to counter the forces applied by the end of the duct 21, 22 at the end of the driving movement of the duct 21, 22 on the corresponding connection pipe 31, 32.
- the flange 34 also makes it possible to position the end of the duct 21, 22 on the connection pipe 31, 32 with a minimum of dispersion, since the positioning is done from the flange 34 directly and not from the surface. 10 of the heat exchanger 1, thus limiting the string of dimensions.
- a groove 35 is formed under the flange 34. This groove 35 is adapted to receive a tool or a part of an assembly means (not shown here) in order to position the flange 34 in said assembly means thus making it possible to precisely control the fitting of the duct 21, 22 on the corresponding connection pipe 31, 32.
- connection pipes 31, 32 may additionally carry means for angular positioning of the duct 21, 22 with respect to the heat exchanger 1.
- angular positioning means formed on the flange 34 of the connecting pipes 31, 32, may take the form of a notch or a pin and are intended to cooperate with complementary angular positioning means formed at the level of the free end of the ducts 21, 22.
- a notch 341 is formed in the flange 34 and extends over the total height of the flange 34.
- the notch 341 could also extend over only a portion of the height of the collar 34, provided that the cavity formed is sufficient to receive a complementary shaped element.
- This notch 341 is adapted to cooperate with a lug 23, of complementary shape, projecting at the end of the duct 21, 22.
- Figure 5 shows the ducts 21, 22 when placed in position on the connecting pipes 31, 32 corresponding.
- peripheral edge of the free end of the ducts 21, 22 is positioned against the upper peripheral surface of the corresponding flange 34, and each lug 23 is interlocked in the corresponding notch 341 of the flange 34.
- the notch 24 is formed on the peripheral edge of the free end of the ducts 21, 22.
- a lug 342, of complementary profile to the notch 24, is formed on the flange 34 of the connecting pipes 31, 32, and extends along the longitudinal axis of the corresponding connection pipe. More specifically, the lug 342 extends from the flange 342, along the main axis of the connection pipe, to the teeth 33.
- the cooperation of the notch 341, 24 and the lug 23, 342 makes it possible on the one hand to secure the duct 21, 22 and the connection pipe 31, 32, and on the other hand to angularly position the end of the conduit 21, 22 relative to the connecting pipe 31, 32 to prevent any rotational movement.
- the lug 23 and the notch 24 of the duct 21, 22, are preferably made by cutting the end of the duct 21, 22.
- the notch 341 and the lug 342 of the flange 34 are preferably made by machining or forming.
- each duct and each flange can carry several lugs or notches.
- the heat exchanger of the invention can be used as a radiator in a motor vehicle.
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 |
---|---|---|---|
FR1853433A FR3080444B1 (fr) | 2018-04-19 | 2018-04-19 | Echangeur thermique comprenant des tubulures de raccordement pour l'alimentation et l'evacuation d'un fluide caloporteur |
PCT/FR2019/050916 WO2019202261A2 (fr) | 2018-04-19 | 2019-04-17 | Echangeur thermique comprenant des tubulures de raccordement pour l'alimentation et l'evacuation d'un fluide caloporteur |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3769025A2 true EP3769025A2 (fr) | 2021-01-27 |
Family
ID=62597751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19772780.3A Pending EP3769025A2 (fr) | 2018-04-19 | 2019-04-17 | Echangeur thermique comprenant des tubulures de raccordement pour l'alimentation et l'evacuation d'un fluide caloporteur |
Country Status (5)
Country | Link |
---|---|
US (1) | US20210148654A1 (fr) |
EP (1) | EP3769025A2 (fr) |
CN (1) | CN112272751A (fr) |
FR (1) | FR3080444B1 (fr) |
WO (1) | WO2019202261A2 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3136544B1 (fr) * | 2022-06-09 | 2024-06-28 | Valeo Systemes Thermiques | Système de connexion d’une entrée ou d’une sortie de fluide pour un échangeur de chaleur |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19805439B4 (de) * | 1998-02-11 | 2005-06-23 | Behr Gmbh & Co. Kg | Verfahren zur Herstellung eines Stapelscheibenwärmeübertragers und dadurch hergestellter Wärmeübertrager |
DE102004003790A1 (de) * | 2004-01-23 | 2005-08-11 | Behr Gmbh & Co. Kg | Wärmetauscher, insbesondere Öl-/Kühlmittel-Kühler |
JP4864692B2 (ja) * | 2006-12-27 | 2012-02-01 | 株式会社デンソー | 配管継手装置及びその製造方法 |
WO2013159172A1 (fr) * | 2012-04-26 | 2013-10-31 | Dana Canada Corporation | Échangeur de chaleur muni d'un module adaptateur |
CN103016885A (zh) * | 2012-12-04 | 2013-04-03 | 天津鹏翎胶管股份有限公司 | 一种胶管与接头快速连接装置 |
FR3017181B1 (fr) * | 2014-02-03 | 2016-08-05 | Gaztransport Et Technigaz | Dispositif de connexion pour connecter deux circuits de fluide |
CN205244699U (zh) * | 2015-12-25 | 2016-05-18 | 弗兰科希管件系统(上海)有限公司 | 快速接头结构 |
US10208879B2 (en) * | 2016-05-31 | 2019-02-19 | A. Raymond Et Cie | Fluid connector assembly |
CN106151735B (zh) * | 2016-08-01 | 2018-01-09 | 浙江工业大学 | 一种管路快速接头 |
CA3035112A1 (fr) * | 2016-08-26 | 2018-03-01 | Dana Canada Corporation | Mecanisme de positionnement pour ensemble echangeur de chaleur |
-
2018
- 2018-04-19 FR FR1853433A patent/FR3080444B1/fr active Active
-
2019
- 2019-04-17 EP EP19772780.3A patent/EP3769025A2/fr active Pending
- 2019-04-17 US US17/048,750 patent/US20210148654A1/en not_active Abandoned
- 2019-04-17 WO PCT/FR2019/050916 patent/WO2019202261A2/fr unknown
- 2019-04-17 CN CN201980039490.7A patent/CN112272751A/zh active Pending
Also Published As
Publication number | Publication date |
---|---|
US20210148654A1 (en) | 2021-05-20 |
CN112272751A (zh) | 2021-01-26 |
WO2019202261A3 (fr) | 2019-12-12 |
FR3080444B1 (fr) | 2020-05-29 |
FR3080444A1 (fr) | 2019-10-25 |
WO2019202261A2 (fr) | 2019-10-24 |
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