WO2018021029A1 - Échangeur de chaleur - Google Patents

Échangeur de chaleur Download PDF

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Publication number
WO2018021029A1
WO2018021029A1 PCT/JP2017/025449 JP2017025449W WO2018021029A1 WO 2018021029 A1 WO2018021029 A1 WO 2018021029A1 JP 2017025449 W JP2017025449 W JP 2017025449W WO 2018021029 A1 WO2018021029 A1 WO 2018021029A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
tank
wall portion
side wall
rib
Prior art date
Application number
PCT/JP2017/025449
Other languages
English (en)
Japanese (ja)
Inventor
栄一 森
Original Assignee
カルソニックカンセイ株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by カルソニックカンセイ株式会社 filed Critical カルソニックカンセイ株式会社
Publication of WO2018021029A1 publication Critical patent/WO2018021029A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—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
    • 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
    • F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
    • 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

Definitions

  • This invention relates to the structure of the tank which comprises a heat exchanger.
  • JP 2006-162135A discloses a heat exchanger including a tank for guiding fluid to a plurality of tubes.
  • the tank of the heat exchanger includes a core plate to which tubes are joined and a tank body to which the core plate is fixed by caulking.
  • the tank body has a rib protruding from its outer surface, and its rigidity is enhanced by the rib.
  • the tank when the protruding height of the rib is limited in a limited installation space, the tank may be deformed by receiving the internal pressure of the tank, and the tank body may not have sufficient rigidity. .
  • the object of the present invention is to provide a heat exchanger that can sufficiently withstand the internal pressure of a tank in a limited installation space.
  • a heat exchanger including a tank that forms a flow path for guiding a fluid between a plate and a tank body, the tank body having a flange portion coupled to the plate; A side wall portion extending from the flange portion to form a flow path, a curved wall portion curved from the side wall portion and facing the plate, an outer rib projecting from the side wall portion to the outside of the tank, There is provided a heat exchanger having an inner rib protruding from the side wall to the inside of the tank.
  • the strength of the tank body is ensured by increasing the rigidity of the portion where the protruding height or protruding width of the outer rib is small by the inner rib. Therefore, the heat exchanger can sufficiently withstand the internal pressure of the tank in a limited installation space.
  • FIG. 1 is a schematic front view of a heat exchanger according to an embodiment of the present invention.
  • FIG. 2 is a perspective view showing the tank body.
  • FIG. 3 is a sectional view of the heat exchanger taken along line III-III in FIG.
  • FIG. 4 is a cross-sectional view of the heat exchanger taken along line IV-IV in FIG.
  • FIG. 5 is a cross-sectional view showing a modification of the heat exchanger.
  • FIG. 6 is a perspective view showing a tank body according to another modification of the heat exchanger.
  • FIG. 7 is a cross-sectional view of the heat exchanger taken along line VII-VII in FIG.
  • FIG. 8 is a sectional view of the heat exchanger taken along line VIII-VIII in FIG.
  • a heat exchanger 1 shown in FIG. 1 is used as a vehicle radiator and exchanges heat between a coolant (fluid) of an engine (not shown) and outside air (fluid).
  • the heat exchanger 1 includes a core 6 provided at the center and a pair of tanks 5 provided at both ends of the core 6.
  • the core 6 includes a plurality of tubes 2 through which a coolant flows, a plurality of fins 3 stacked alternately with the tubes 2, a pair of reinforcements 4 provided on the outer side in the stacking direction than the fins 3, and the tubes 2. And a pair of plates 10 to which both ends of each reinforcement 4 are respectively coupled.
  • These members constituting the core 6 are formed of a metal such as aluminum.
  • the core 6 is one in which these members are joined together.
  • the tank 5 is formed by a metal plate 10 and a resin tank body 20.
  • the tank 5 forms a flow path 9 (see FIG. 3) for guiding the coolant between the plate 10 and the tank body 20.
  • One tank 5 distributes the cooling liquid to each tube 2. In each tube 2, heat exchange is performed between the coolant flowing through the inside and the outside air flowing through the outside. The other tank 5 collects the coolant flowing out from each tube 2.
  • the tank body 20 is formed in a box shape in which the side connected to the tube 2 is open.
  • the tank body 20 includes a frame-shaped flange portion 22 coupled to the plate 10, a pair of side wall portions 24 that face each other via the flow path 9, and a pair of curves that curves from the side wall portion 24 and faces the plate 10. It has the wall part 25 and the ceiling wall part 26 extended so that a pair of curved wall part 25 may be tied.
  • the tank body 20 has a cylindrical pipe portion 21 protruding from one side wall portion 24.
  • a pipe for guiding the coolant is connected to the pipe portion 21.
  • the plate 10 includes a hole 11 into which the tube 2 is inserted, a groove 12 that accommodates the flange portion 22, and a plurality of caulking claw portions 13 that protrude around the groove 12 at intervals.
  • the caulking claw portion 13 is bent so that the caulking claw portion 13 is pressed against the flange portion 22. Thereby, the plate 10 and the tank body 20 are coupled to each other.
  • An annular seal packing 8 is interposed at the bottom of the groove 12.
  • the seal packing 8 is formed of an elastic material such as a rubber material.
  • the seal packing 8 is sandwiched between the groove 12 and the flange portion 22 and seals between the two.
  • the tank main body 20 bulges outward and the curvature of the curved wall portion 25 and the base portion 22A of the flange portion 22 increases. do. For this reason, if the elastic deformation of the tank main body 20 due to the pressure change of the flow path 9 is repeated, the strength of the tank main body 20 may be reduced, or the sealing performance by the seal packing 8 may be reduced.
  • the tank main body 20 has a plurality of outer ribs 27 protruding outside the tank 5 and a plurality of inner ribs 28 protruding inside the tank 5 along the outer ribs 27.
  • the rigidity of the tank body 20 is enhanced by the outer rib 27 and the inner rib 28.
  • the outer rib 27 protrudes between adjacent caulking claw portions 13 in a rib shape (band plate shape).
  • the outer rib 27 has a base end portion 27 ⁇ / b> A protruding from the flange portion 22, a middle portion 27 ⁇ / b> B protruding from the side wall portion 24, and a distal end portion 27 ⁇ / b> C protruding from the curved wall portion 25.
  • the tank body 20 is formed symmetrically with respect to the center line O.
  • the protrusion height (wall thickness) of the outer rib 27 gradually decreases from the base end portion 27A to the distal end portion 27C through the middle portion 27B.
  • the top wall portion 26 is formed in a flat plate shape arranged in parallel with the plate 10.
  • the outer rib 27 does not have a portion protruding from the top wall portion 26.
  • the height of the tank 5 can be suppressed and the heat exchanger 1 can be installed in a limited space in the engine room of the vehicle.
  • the tank body 20 does not have a portion protruding from the top wall portion 26, when the top wall portion 26 is pressed using a jig (not shown) when the tank 5 is assembled, a load from the jig is applied.
  • the top wall 26 can be evenly provided. As a result, the caulking claw portion 13 is bent and the plate 10 and the tank body 20 are coupled with high accuracy.
  • the tank body 20 is not limited to the configuration described above, and the tank body 20 may have a configuration in which the outer rib 27 protrudes from the top wall portion 26 in accordance with the rigidity required for the tank body 20.
  • the ceiling wall part 26 is good also as a structure formed in the curved plate shape which curves continuously from the curved wall part 25 not only in flat form.
  • the inner rib 28 protrudes in a rib shape from the inner surface of the tank body 20.
  • the inner rib 28 has a base end portion 28 ⁇ / b> A protruding from the top wall portion 26, a middle portion 28 ⁇ / b> B protruding from the curved wall portion 25, and a distal end portion 28 ⁇ / b> C protruding from the side wall portion 24.
  • the protruding height (thickness) of the inner rib 28 gradually increases from the base end portion 28A to the middle portion 28B, and gradually decreases from the middle portion 28B to the distal end portion 28C.
  • the protruding height of the inner rib 28 increases from the side wall portion 24 to the curved wall portion 25.
  • the outer ribs 27 project at intervals corresponding to the caulking claw portions 13 adjacent to each other in the longitudinal direction of the tank 5.
  • the “longitudinal direction of the tank 5” is a direction in which the tank body 20 extends (a direction in which the tubes 2 are stacked).
  • the “width direction of the tank 5” is a direction perpendicular to the “longitudinal direction of the tank 5” in which the plate 10 extends.
  • the “height direction of the tank 5” is a direction orthogonal to the “longitudinal direction of the tank 5” and the “width direction of the tank 5”.
  • the outer rib 27 and the inner rib 28 are formed at the same position in the longitudinal direction of the tank 5.
  • the outer rib 27 and the inner rib 28 are arranged in the width direction of the tank 5 so as to sandwich the side wall portion 24 and the curved wall portion 25 from each other.
  • the outer ribs 27 and the inner ribs 28 have substantially constant values obtained by summing their dimensions (widths) in the width direction of the tank 5.
  • the protruding height of the inner rib 28 is increased at the portion where the protruding height of the outer rib 27 is reduced.
  • the tank 5 that forms the flow path 9 that guides the fluid between the plate 10 and the tank body 20 includes the frame-like flange portion 22 that is coupled to the plate 10, and the flange body 22.
  • the strength of the tank body 20 is ensured by increasing the rigidity of the portion where the protruding height or protruding width of the outer rib 27 is small by the inner rib 28. Furthermore, since the protrusion width of the outer rib 27 is reduced, the plate 10 can increase the caulking width of the caulking claw portion 13. Thereby, the rigidity of the plate 10 is increased and the sealing performance by the seal packing 8 is ensured. Therefore, the heat exchanger 1 can sufficiently withstand the internal pressure of the tank 5 in a limited installation space.
  • the plate 10 has a plurality of caulking claw portions 13 that engage with the flange portion 22 of the tank body 20, and the outer rib 27 extends from between the adjacent caulking claw portions 13 to the flange portion 22 and the side wall portion 24. It is the structure which protrudes.
  • the rigidity of the base portion 22A of the flange portion 22 is increased by the outer rib 27, thereby suppressing elastic deformation in which the curvature of the base portion 22A of the flange portion 22 changes due to the pressure increase in the flow path 9.
  • the coupling force by the caulking claw portion 13 of the plate 10 is maintained, and the sealing performance of the tank 5 by the seal packing 8 is maintained. And even when the pressure change of the flow path 9 is repeated, it is prevented that a crack etc. arise in the root part 22A.
  • the inner rib 28 is configured to protrude over the side wall portion 24 and the curved wall portion 25.
  • the rigidity of the curved wall portion 25 is increased by the inner rib 28, thereby suppressing the elastic deformation in which the curvature of the curved wall portion 25 changes due to the pressure increase in the flow path 9.
  • the heat exchanger 1 can sufficiently withstand the internal pressure of the tank 5 in a limited installation space.
  • the inner rib 28 is formed so that its protruding height increases from the side wall portion 24 to the curved wall portion 25.
  • the rigidity of the curved wall portion 25 is effectively increased by the inner rib 28, and a crack or the like is prevented from being generated in the curved wall portion 25. Therefore, the heat exchanger 1 can sufficiently withstand the internal pressure of the tank 5.
  • outer rib 27 and the inner rib 28 are configured to be formed at the same position in the longitudinal direction of the tank 5.
  • the outer rib 27 and the inner rib 28 are arranged so as to be aligned with each other in the width direction of the tank 5.
  • the tank main body 20 is effectively enhanced by the inner rib 28 protruding from the back side of the portion where the protruding height or protruding width of the outer rib 27 is small. Therefore, the heat exchanger 1 can sufficiently withstand the internal pressure of the tank 5.
  • the outer rib 27 and the inner rib 38 are formed at different positions in the longitudinal direction of the tank 5.
  • the tank body 30 has the outer ribs 27 and the inner ribs 38 alternately protruding, whereby the rigidity of the side wall portion 24 and the curved wall portion 25 is made uniform in the longitudinal direction of the tank 5 and enhanced.
  • the built-in core 46 constituting the oil cooler is accommodated in the tank 45 according to this modification.
  • the built-in core 46 has a plurality of elements 47 that are stacked. In the element 47, heat exchange is performed between the engine oil (fluid) flowing through the inside and the coolant (fluid) flowing through the flow path 9.
  • the tank body 50 of the tank 45 has a mounting wall 51 to which the built-in core 46 is attached.
  • An opening 53 is formed in the attachment wall 51.
  • a pipe (not shown) for guiding oil is inserted into the opening 53.
  • FIG. 7 is a cross-sectional view of the tank main body 50 including the mounting wall portion 51.
  • An outer rib 59 protruding from the outer surface is formed on the side wall portion 54 facing the mounting wall portion 51.
  • the mounting wall 51 is secured by the built-in core 46 coupled thereto.
  • Inner ribs are not formed on the inner surface 51 ⁇ / b> A of the mounting wall 51. Therefore, a space for accommodating the built-in core 46 is secured inside the attachment wall portion 51.
  • FIG. 8 is a cross-sectional view of the tank main body 50 at a portion that does not include the mounting wall portion 51. In this portion, the tank body 50 is formed symmetrically with respect to the center line O.
  • the tank main body 50 includes a plurality of outer ribs 57 that protrude to the outside of the tank 45 and a plurality of inner ribs 58 that protrude to the inside of the tank 45.
  • the inner rib 58 protrudes in a rib shape having a substantially constant protruding height between the curved wall portion 55 and the side wall portion 54. By suppressing the protruding height of the inner rib 58, a space for accommodating the built-in core 46 is secured inside the curved wall portion 55 and the side wall portion 54.
  • the outer rib 57 protrudes in a rib shape between the flange portion 52 and the curved wall portion 55.
  • the protruding height of the outer rib 57 gradually increases from a portion connected to the flange portion 52 to a portion connected to the curved wall portion 55.
  • the strength of the tank body 50 may be reduced.
  • the combined dimension (thickness) of the protruding height of the inner rib 58 and the protruding height of the outer rib 57 is changed from the portion connected to the flange portion 52 to the curved wall portion 55. It gradually increases to the connected parts.
  • the rigidity of the curved wall portion 55 is effectively enhanced by the inner rib 58 and the outer rib 57. Therefore, even when the pressure change in the flow path 9 is repeated, the curved wall portion 25 is prevented from being cracked. Therefore, the heat exchanger 1 can sufficiently withstand the internal pressure of the tank 5.
  • the outer rib 57 does not have a portion protruding from the top wall portion 56. Thereby, the height of the tank 5 can be suppressed and the heat exchanger 1 can be installed in a limited space in the engine room of the vehicle.
  • the outer rib 57 protrudes from the side wall portion 54 to the curved wall portion 55, and the protruding height of the outer rib 57 is formed so as to increase from the side wall portion 54 to the curved wall portion 55. .
  • the heat exchanger 1 ensures the rigidity of the tank body 50 by the outer ribs 57, 59 and the inner rib 58, and sets the protruding height of the inner rib 58 relative to the curved wall portion 55 to the protrusion of the outer rib 57. Ensuring the accommodation space for the built-in core 46 by making it lower than the height is compatible.
  • the present invention can be applied not only to a radiator but also to other heat exchangers mounted on a vehicle. Moreover, it is applicable also to the heat exchanger used other than a vehicle.

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  • 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

Échangeur de chaleur (1) pourvu d'un réservoir (5) qui forme un chemin d'écoulement (9) pour guider un liquide entre une plaque (10) et un corps principal (20) de réservoir. Le corps principal (20) de réservoir comprend : des sections rebords (22) reliées à la plaque (10) ; des sections parois latérales (24) qui s'étendent à partir des sections rebords (22) et qui forment le chemin d'écoulement (9) ; des sections parois incurvées (25) qui s'incurvent à partir des sections parois latérales (24) et qui font face à la plaque (10) ; des nervures extérieures (27) qui font saillie sur l'extérieur du réservoir (5) à partir des sections parois latérales (24) ; et des nervures intérieures (28) qui font saillie sur l'intérieur du réservoir (5) à partir des sections parois latérales (24).
PCT/JP2017/025449 2016-07-25 2017-07-12 Échangeur de chaleur WO2018021029A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016145626A JP2018017415A (ja) 2016-07-25 2016-07-25 熱交換器
JP2016-145626 2016-07-25

Publications (1)

Publication Number Publication Date
WO2018021029A1 true WO2018021029A1 (fr) 2018-02-01

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PCT/JP2017/025449 WO2018021029A1 (fr) 2016-07-25 2017-07-12 Échangeur de chaleur

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WO (1) WO2018021029A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019161473A1 (fr) * 2018-02-22 2019-08-29 Valeo Sistemas Automotivos Ltda. Couvercle pour réservoir

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7349821B2 (ja) * 2019-06-10 2023-09-25 株式会社ティラド 熱交換器

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776932U (fr) * 1980-10-24 1982-05-12
JPS58154389U (ja) * 1982-04-09 1983-10-15 カルソニックカンセイ株式会社 熱交換器用タンク
JPS62125881U (fr) * 1986-01-30 1987-08-10
US4940086A (en) * 1987-04-16 1990-07-10 Modine Manufacturing Company Tank for a heat exchanger
US5121790A (en) * 1986-12-19 1992-06-16 Blackstone Sweden Ab Heat exchanger
JPH11294165A (ja) * 1998-04-14 1999-10-26 Calsonic Corp 熱交換器用タンクへのオイルクーラ取付構造
US6082446A (en) * 1998-04-20 2000-07-04 Ahaus Tool And Engineering, Inc. Sealing method and apparatus for a heat exchanger
JP2005257168A (ja) * 2004-03-11 2005-09-22 Denso Corp 熱交換器
JP2008032242A (ja) * 2006-07-26 2008-02-14 Calsonic Kansei Corp オイルクーラ内蔵ラジエータ
WO2009058395A2 (fr) * 2007-11-01 2009-05-07 Modine Manufacturing Company Echangeur thermique
JP2010054066A (ja) * 2008-08-26 2010-03-11 Showa Denko Kk 熱交換器
US20140069938A1 (en) * 2012-09-10 2014-03-13 Denso Corporation Complementary ribs for added structural strength
US20160010931A1 (en) * 2014-07-11 2016-01-14 Halla Visteon Climate Control Corp. Tank rib design

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5776932U (fr) * 1980-10-24 1982-05-12
JPS58154389U (ja) * 1982-04-09 1983-10-15 カルソニックカンセイ株式会社 熱交換器用タンク
JPS62125881U (fr) * 1986-01-30 1987-08-10
US5121790A (en) * 1986-12-19 1992-06-16 Blackstone Sweden Ab Heat exchanger
US4940086A (en) * 1987-04-16 1990-07-10 Modine Manufacturing Company Tank for a heat exchanger
JPH11294165A (ja) * 1998-04-14 1999-10-26 Calsonic Corp 熱交換器用タンクへのオイルクーラ取付構造
US6082446A (en) * 1998-04-20 2000-07-04 Ahaus Tool And Engineering, Inc. Sealing method and apparatus for a heat exchanger
JP2005257168A (ja) * 2004-03-11 2005-09-22 Denso Corp 熱交換器
JP2008032242A (ja) * 2006-07-26 2008-02-14 Calsonic Kansei Corp オイルクーラ内蔵ラジエータ
WO2009058395A2 (fr) * 2007-11-01 2009-05-07 Modine Manufacturing Company Echangeur thermique
JP2010054066A (ja) * 2008-08-26 2010-03-11 Showa Denko Kk 熱交換器
US20140069938A1 (en) * 2012-09-10 2014-03-13 Denso Corporation Complementary ribs for added structural strength
US20160010931A1 (en) * 2014-07-11 2016-01-14 Halla Visteon Climate Control Corp. Tank rib design

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019161473A1 (fr) * 2018-02-22 2019-08-29 Valeo Sistemas Automotivos Ltda. Couvercle pour réservoir

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