• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Connecting device for a heat exchanger between a first fluid (L) and a second fluid (G), said device comprising a connector (30) and a lateral end cheek (37) of an exchange beam (14) heat exchanger of said exchanger, said lateral cheek (37) having at least one connecting element (38) comprising transversely aligned inlet / outlet openings (47, 47 '), said connecting element (38) allowing the circulation of the first fluid between the bundle and inlet and outlet openings (34, 36) of the connector (30), longitudinally aligned or inclined with respect to said inlet / outlet openings (47, 47 ') of the connection (38), said connecting element (38) and said connector (30) having a substantially corresponding longitudinal extension.
    公开号:FR3018601A1
    申请号:FR1452026
    申请日:2014-03-12
    公开日:2015-09-18
    发明作者:Sylvain Moreau；Mohamed Ibrahimi；Francois Busson
    申请人:Valeo Systemes Thermiques SAS；
    IPC主号:
    专利说明:

    [0001] The invention relates to a connection device for a heat exchanger and a heat exchanger equipped with said connection device. It may in particular be an evaporator.
    [0002] It is known an evaporator, intended for an air conditioning device of the passenger compartment of a vehicle, comprising a beam formed of a stack of plates allowing a heat exchange between a flow of air passing through the beam and a liquid refrigerant circulating in the beam. The beam is disposed between two end plates also called side cheeks. This type of evaporator is described in document FR 2 826 437 of the applicant and is well known to those skilled in the art. One of the end plates of the evaporator comprises two ports respectively for the entry of the refrigerant into the evaporator and for the outlet of this fluid. It is also known to connect the evaporator to an expander via a connecting device which is generally formed of a metal block. The expander includes fluid inlet and outlet ports for connection through internal passages of the connection device to the evaporator inlet and outlet ports, respectively. The axes of the inlet and outlet ports of the expander are parallel and extend in a plane passing substantially through a bulb of the expander.
    [0003] In use, the evaporator bundle is generally vertically disposed and the evaporator inlet and outlet ports then open horizontally. With a connection device having rectilinear fluid internal passages, the expander is also oriented horizontally.
    [0004] However, to optimize the operation of the regulator bulb, it is preferable that it is in the up position, which involves positioning the regulator so that the aforementioned plane of its ports is in a vertical position or slightly inclined relative to the vertical . This nevertheless poses a problem of design of the connecting device, in particular if it is desired to maintain a rectilinear orientation of its internal passages of fluids. It is also desirable that the implemented solution does not increase or little overall congestion of the exchanger, in particular in the stacking direction of the plates. The present invention is intended in particular to provide a solution to the aforementioned problems and proposes for this purpose a connection device for a heat exchanger between a first fluid and a second fluid, said device comprising a connector and a side end cheek. a heat exchange bundle of said heat exchanger. According to the invention, said lateral cheek comprises at least one connecting element comprising transversely aligned inlet / outlet openings, said connecting element allowing the circulation of the first fluid between the beam and inlet and outlet openings of the connector. , aligned longitudinally or inclined with respect to said inlet / outlet openings of the connecting element. In addition, said connecting element and said connector has a substantially corresponding longitudinal extension. In other words, according to the invention, the side cheek of the exchanger is used to define a connection element guiding the first fluid between the beam and the connector so that the connector has the desired orientation. Said connector can then have fluid internal passages oriented rectilinearly. In addition, the invention takes advantage of the finding that the environment in which the exchangers are installed has a certain free play in the extension of the connector in the direction of its internal fluid passages. Thus, even if the connecting element of the connecting device generates an extra thickness in this direction, such an allowance is only present in an area where it is not of consequence since, in the longitudinal direction of the cheek, it is not not extend beyond the region occupied by the connector.
    [0005] According to other features of the invention, which may be taken together or separately: - said inlet / outlet openings of the connecting element are intended to come opposite the ends of the inlet manifolds and the output of the beam, the connecting element comprises a duct, in particular a main duct, which is arranged coaxially with one of the inlet / outlet openings of the connector and with one of the inlet / outlet openings of the connecting element, the connecting element comprises a duct, for example a second duct, in particular an elbow, which extends substantially in the thickness of said element and has one end coaxial with the other inlet opening. / outlet of the connector and an opposite end coaxial with the other inlet / outlet opening of the connecting element, - said lateral cheek comprises a first plate, which has a lower main part extending parallel parallel to an upper end of said connecting element, which is offset in the thickness with respect to the lower main part of a given offset (d), said lateral cheek is arranged in proximity to an upper end of said connecting element; a second plate, of thickness corresponding to the determined offset (d), which is received on the upper secondary part of the first plate, - said first and second plates delimit the main conduit and the second conduit of the connection element between the upper secondary part of the first plate and the second plate, - said lower main part comprises reinforcing ribs, - said ribs have a height less than the offset (d), - the first plate is fixed to the connector and the second plate is intended to be fixed to the beam, - said first plate is intended to be also fixed to the beam, - said conductive main and / or said second ducts are defined by stamping said first plate and / or said second plate, - the connecting element and the connector are configured to be received in a housing which has an opening of corresponding dimensions in which they are intended to be engaged.
    [0006] The invention also relates to a heat exchanger, in particular an evaporator, comprising a connection device as described above.
    [0007] According to various embodiments of the invention which may be taken together or separately: the beam of the exchanger and the said connection device are assembled by soldering, the first plate has a longitudinal and transverse extension substantially identical to an extension in height and depth of the beam. Other features and advantages of the invention will appear on reading the detailed description which follows for the understanding of which reference will be made to the appended drawings in which: FIG. 1 is an overall perspective view of a heat exchanger; realized according to the invention; - Figure 2 is an exploded perspective detail view of a portion of the exchanger of Figure 1; FIG. 3 is a side view of the end of the exchanger of FIG. 1; FIGS. 4A and 4B are perspective views of opposite faces of the connecting element of the exchanger of FIG. 1. In the following description, identical references designate parts that are identical or have similar functions. For a good understanding of the invention, the figures will be oriented with reference to the trihedron "X", "Y", "Z". There is shown in Figure 1 a heat exchanger 10 made according to the invention. It comprises a beam 14 for exchanging heat between a first fluid L and a second fluid G flowing through said beam. Said beam 14 here comprises tubes 16, arranged parallel to each other, said tubes 16 being configured to allow the circulation of the first fluid L within them and the circulation of the second fluid G between them. The beam may also comprise corrugated fins or fins 58 (FIG. 3) disposed between the tubes 16 to increase the exchange surface with the second fluid G. In the illustrated embodiment, the exchanger 10 comprises a plurality of plates 12, assembled in pairs to form the tubes 16 of circulation of the first fluid. Said plates 12 are here stacked in the stacking direction "X", the plates 12 extending in the vertical directions "Z" and transverse "Y". The beam 14 thus has a substantially parallelepiped shape.
    [0008] The plates 12 determine alternating circuits for the circulation of the two fluids, in particular a fluid in the liquid and / or gaseous phase "L", such as a refrigerant, in particular the fluid known under the name R134a, 1234yf, R734a or other circulating in the tubes or pairs 16 of plates 12 and a gas "G" such as air flowing transversely between the tubes or pairs 16 of plates, as represented by the arrows of Figures 1 and 2. The plates 12 are here each of substantially rectangular shape, of length oriented substantially vertically in the direction "Z" and width oriented substantially transversely in the direction "Y". As illustrated in FIG. 2, each plate 12 has, at one of its vertical ends, said upper end 18, two transversally aligned openings 20, 22 which are intended to form, by stacking said plates 12, a collector or conduit. input 26 and a manifold or outlet conduit 28 of the first fluid "L" in each of the pairs of plates 16, along an upper vertical edge edge 24 said upper beam. Inside the tube 16 formed by each pair of plates 12, the first fluid flows along a U-shaped path of one of the aperture pairs of the plates, serving as an inlet, towards the opposite longitudinal end, here the the lower end, where it turns around to return to the other opening 22, serving as an outlet. For this purpose the plates are provided, for example with an inner partition extending longitudinally to guide the first fluid between the openings 20, 22 and the opposite end of the plates.
    [0009] The exchanger further comprises a lateral end cheek 37 of the beam 14. By lateral means that extends along the plane Y, Z according to the orientation given in FIG. 1. Said cheek 37 makes it possible to protect the beam 14, in particular the spacer 58 laterally ending the beam, in the stacking direction X, with which said cheek 37 is in contact. The exchanger 10 further comprises a connector 30 comprising a body 32 and two external inlet / outlet openings 34, 36 which are intended to be connected respectively to the inlet manifolds 26 and outlet 28 of the beam 14. Said openings Inlet / outlet 34, 36 are made, for example, in the form of passages, not visible in the figures, formed inside said body 32 and possibly extended, as here, by nozzles. Said passages are advantageously rectilinear and / or parallel, in particular oriented in direction X. Said connector 30 may be provided with orifices, in particular threaded orifices, allowing the attachment of tubings and / or a pressure regulator, not shown. Advantageously, the connector 30 extends substantially in the extension of the beam 14, that is to say that it does not protrude transversely or protrude vertically, but that it is included in a projection (not shown) of the plates 12, that is to say in the extension of the bundle 14 of plates 12 in the stacking direction X of the tubes 16 or plates 12. According to the invention, as is more particularly illustrated in FIGS. 2, 4A and 4B, the side cheek 37 has a connecting element 38 which is interposed between the beam 14 and the connector 30, and which connects the transversely aligned ends of the inlet manifolds 26 and output 28 of the beam, corresponding to the openings 20, 22 of its plate 12F end, to the inlet / outlet openings 34, 36 of the connector 30. For this, said connecting element 38 comprises inlet / outlet openings 47, 47 ', in particular intended to come vis-à-vis ends of the d collectors input 26 and output 28 of the beam 14. Advantageously, said inlet and outlet openings 34, 36 of the connector 30 are aligned longitudinally, that is to say here in the direction Z or inclined by relative to said inlet / outlet openings 47, 47 'of the connecting element 38, that is to say, forming a non-zero angle, advantageously greater than 45 °, or even 60 ° with respect to the direction Y. In this way it is possible to position the connector in the desired orientation. In addition, said connecting element 38 and said connector 30 have substantially the same longitudinal extension, that is to say in the direction Z. This means that the connecting element 38 has substantially the same dimension as the connector 30 in this direction. Said lateral cheek 37 therefore only increases the size of the exchanger in the X direction in the direction, in this direction, of the connector 30.
    [0010] Said connecting element 38 may be wider than the connector 30, in particular the width of the remainder of the lateral cheek 37. To ensure the guiding of the first fluid as explained above, as illustrated in FIGS. 4B, the connecting element 38 here comprises a main conduit 40 which is arranged coaxially with one of the inlet / outlet openings 36 of the connector and at one of the inlet / outlet openings of the element of connection 38, for example that facing the outlet manifold 28.
    [0011] The connecting element 38 also comprises an angled duct 42 which extends substantially vertically in the thickness of said connection element 38. This elbow duct 42 has one end 44 which is coaxial with the other inlet / outlet opening 34 of the connector 30 and an opposite end 46 which is coaxial with the other inlet / outlet opening 47 'of the connecting element 38, here that which is opposite the inlet manifold 26. As illustrated by FIGS. 3, 4A, and 4B, the connecting element 38 comprises, for example, a first plate 48, which has a lower main portion 50 extending parallel to the end plate 12F and, in continuity, a secondary portion 52, said upper end 54 of said connecting member 38 is offset longitudinally with respect to the lower main portion 54 of said connecting member 38. The connecting member 38 further comprises a second plate 56, of thickness corresponding to the determined offset "d", which is received opposite the upper secondary portion 52 of the first plate 48.
    [0012] The main duct 40 and the elbow duct 42 of the element 38 are delimited between the upper secondary portion 52 of the first plate 48 and the second plate 56. In this configuration, the upper secondary portion 52 of the first plate 48 is offset. of the offset "d", the first plate 48 is fixed to the connector 30 and the second plate 56 is fixed to the end plate 12F of the beam 14, at the portion of the latter forming the collectors 26, 28 and at a first portion of the insert 58. The lower main portion 50 of the first plate 48 is attached here to a second portion of the spacer 58 extending downwardly of the beam 14, said first portion of the spacer 58.
    [0013] This configuration advantageously makes it possible to take the second plate 56 sandwiched between the first plate 48 and the beam 14, which guarantees the strength of the assembly.
    [0014] It will be noted that, by a mechanical inversion, the first plate 48 can be fixed to the beam 14 and the second plate 56 to the connector 30. This configuration, although possible, would be less resistant, because in this case, the second plate 56 could be requested by the connector 30 placed cantilevered.
    [0015] Here, as already indicated, the beam 14 comprises plates 12, assembled in pairs 16, and spacers 58 of thickness "e" determined which are interposed between the pairs 16 of plates 12 of the beam 14, as shown in FIG. In this configuration, the first plate 48 is spaced from the end plate 12F by a distance corresponding to the thickness "e" determined to receive an end intermediate element 58 between the side cheek 37 and the plate of end 12F beam 14. An intermediate element 58 similar to the other intermediate elements 58 of the beam 14 can be used.
    [0016] Preferably, the first and second plates 48, 56 of the connecting element 38 are formed by cutting and / or stamping sheet metal panels. As illustrated in FIG. 2, the angled duct 42 is thus delimited by two stampings 60, 62 facing one another in the shape of an "L" formed respectively in the first and second plates 48, 56.
    [0017] The stamping 62 of the first plate 48 opens in its lower part in the first plate 48 via a first cut coinciding with the end 44 of the conduit 42. The stamp 60 of the second plate 56 opens into its upper part in the second plate 56 via a second cutout coinciding with the end 46 of the duct 42.
    [0018] Said lower main portion 50 of the first plate 48 defining the side cheek 37 of the exchanger may comprise reinforcing ribs 100, here oriented longitudinally. Said ribs 100 advantageously have a height less than the offset (d).
    [0019] It will be understood that the plates 12 of the bundle 14 and the connector 30 are also formed by cutting and / or stamping sheet metal panels and that, according to this manufacturing method, the plates 12, 12F of the bundle 14, the plates 48, 56 the side cheek 37 and the body 32 of the connector 30 are assembled by soldering, advantageously in a single operation. In the context of an exchanger 10 intended to allow heat exchange between a refrigerant "L" and a gaseous fluid "G" as described above, the beam 14 of plates 12, the connecting element 38 and the body 32 of the connector 30 are intended to be received in a housing (not shown) which has an opening (not shown) of dimensions corresponding to those of the upper secondary portion 52 through which the connector 30 protrudes. Said connecting element 38 may also be engaged in said opening.
    [0020] Such a housing makes it possible to protect the entire beam 14 and to channel the gases "G" passing through the heat exchanger 10. For this purpose, it will be understood that the housing will preferably comprise two opposite faces perpendicular to the "X" direction which comprise openings (not shown) which extend to the right of the beam 14 so as to allow the gases "G" to pass through the plate bundle 14. Such a heat exchanger 10 may advantageously be used as an evaparator for a air conditioning of a motor vehicle.
    权利要求:
    Claims (12)
    [0001]
    REVENDICATIONS1. Connecting device for a heat exchanger between a first fluid (L) and a second fluid (G), said device comprising a connector (30) and a lateral end cheek (37) of an exchange beam (14) heat exchanger of said exchanger, said lateral cheek (37) having at least one connecting element (38) comprising transversely aligned inlet / outlet openings (47, 47 '), said connecting element (38) allowing the circulation of the first fluid between the bundle and inlet and outlet openings (34, 36) of the connector (30), longitudinally aligned or inclined with respect to said inlet / outlet openings (47, 47 ') of the connection (38), said connecting element (38) and said connector (30) having a substantially corresponding longitudinal extension.
    [0002]
    2. Connection device according to the preceding claim, wherein the connecting element (38) comprises a main conduit (40) which is arranged coaxially with one of the inlet / outlet openings (36) of the connector (30). and at one of the inlet / outlet openings (47) of the connecting element (38), and an elbow (42) extending substantially in the thickness of said element (38) and having a end (44) coaxial with the other inlet / outlet opening (34) of the connector (30) and an opposite end (46) coaxial with the other inlet / outlet opening (47 ') of the element connecting piece (38).
    [0003]
    3. Connecting device according to the preceding claim, wherein said lateral cheek (37) comprises: a first plate (48), which comprises a lower main portion (50) extending parallel to the beam (14) and a secondary portion; upper member (52), arranged near an upper end (54) of said connecting member (38), which is offset in thickness relative to the lower main portion (50) of a given offset (d), a second plate (56), of thickness corresponding to the determined offset (d), which is received on the upper secondary portion (52) of the first plate, to delimit the main duct (40) and the elbow (42) the connecting member (38) between the upper secondary portion (52) of the first plate (48) and the second plate (56).
    [0004]
    4. Connection device according to the preceding claim wherein said lower main portion (50) comprises reinforcing ribs (100).
    [0005]
    5. Connecting device according to the preceding claim wherein said ribs (100) have a height less than the offset (d).
    [0006]
    6. Connection device according to any one of claims 3 to 5, wherein the first plate (48) is fixed to the connector (30) and the second plate (56) is intended to be fixed to the beam (14).
    [0007]
    7. Connection device according to the preceding claim wherein said first plate (48) is intended to be also attached to the beam (14).
    [0008]
    8. Connection device according to any one of claims 3 to 7 wherein said main ducts (40) and / or elbow (42) are defined by stamping said first plate (48) and / or said second plate (56). ).
    [0009]
    9. Connection device according to one of the preceding claims, wherein the connecting element (38) and the connector (30) are configured to be received in a housing which has an opening of corresponding dimensions in which they are intended to to be engaged.
    [0010]
    10. Heat exchanger (10) comprising a connection device according to any one of the preceding claims.
    [0011]
    11. Exchanger according to the preceding claim configured to operate as an evaporator.
    [0012]
    12. Exchanger according to any one of claims 10 or 11 wherein the beam (14) of the exchanger and said connecting device are assembled by brazing.
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    引用文献:
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    DE102017218816A1|2017-10-20|2019-04-25|Mahle International Gmbh|Connection arrangement for the fluidic supply of a header of a heat exchanger|
    CN110095008A|2018-01-27|2019-08-06|浙江盾安热工科技有限公司|A kind of heat exchanger switching device|
    KR20190143818A|2018-06-21|2019-12-31|한온시스템 주식회사|Heat Exchanger|
    WO2019245334A1|2018-06-21|2019-12-26|한온시스템 주식회사|Heat exchanger|
    CN112460853A|2020-11-09|2021-03-09|北汽福田汽车股份有限公司|Condensation evaporation heat exchanger, air conditioning system and vehicle|
    法律状态:
    2016-03-31| PLFP| Fee payment|Year of fee payment: 3 |
    2017-03-31| PLFP| Fee payment|Year of fee payment: 4 |
    2018-03-29| PLFP| Fee payment|Year of fee payment: 5 |
    2020-03-31| PLFP| Fee payment|Year of fee payment: 7 |
    2021-03-30| PLFP| Fee payment|Year of fee payment: 8 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1452026|2014-03-12|
    FR1452026A|FR3018601B1|2014-03-12|2014-03-12|CONNECTION DEVICE FOR HEAT EXCHANGER AND HEAT EXCHANGER EQUIPPED WITH SAID CONNECTION DEVICE|FR1452026A| FR3018601B1|2014-03-12|2014-03-12|CONNECTION DEVICE FOR HEAT EXCHANGER AND HEAT EXCHANGER EQUIPPED WITH SAID CONNECTION DEVICE|
    EP15708796.6A| EP3117173B1|2014-03-12|2015-03-04|Connection device for heat exchanger and heat exchanger provided with said connection device|
    KR1020167028096A| KR20160131099A|2014-03-12|2015-03-04|Connection device for heat exchanger and heat exchanger provided with said connection device|
    BR112016020836-6A| BR112016020836B1|2014-03-12|2015-03-04|connection device for heat exchanger and heat exchanger equipped with said connection device|
    JP2016556839A| JP6482571B2|2014-03-12|2015-03-04|Connection device for heat exchanger and heat exchanger equipped with the connection device|
    CN201580024783.XA| CN106461355A|2014-03-12|2015-03-04|Connection device for heat exchanger and heat exchanger provided with said connection device|
    US15/124,384| US10088246B2|2014-03-12|2015-03-04|Connection device for heat exchanger and heat exchanger provided with said connection device|
    PCT/EP2015/054530| WO2015135813A1|2014-03-12|2015-03-04|Connection device for heat exchanger and heat exchanger provided with said connection device|
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