WO2012141403A1 - Refroidisseur intermédiaire et son procédé de fabrication - Google Patents

Refroidisseur intermédiaire et son procédé de fabrication Download PDF

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Publication number
WO2012141403A1
WO2012141403A1 PCT/KR2011/009449 KR2011009449W WO2012141403A1 WO 2012141403 A1 WO2012141403 A1 WO 2012141403A1 KR 2011009449 W KR2011009449 W KR 2011009449W WO 2012141403 A1 WO2012141403 A1 WO 2012141403A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
heat dissipation
hole
tube sheet
elliptical
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.)
Ceased
Application number
PCT/KR2011/009449
Other languages
English (en)
Korean (ko)
Inventor
한석만
윤지현
하창수
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEJIN-INOTEK CO LTD
Original Assignee
SEJIN-INOTEK CO LTD
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
Priority claimed from KR1020110034929A external-priority patent/KR101077868B1/ko
Priority claimed from KR1020110039305A external-priority patent/KR101077026B1/ko
Priority claimed from KR1020110100557A external-priority patent/KR101118637B1/ko
Application filed by SEJIN-INOTEK CO LTD filed Critical SEJIN-INOTEK CO LTD
Publication of WO2012141403A1 publication Critical patent/WO2012141403A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/06—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes in openings, e.g. rolling-in
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
    • B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/045—Constructional details of the heat exchangers, e.g. pipes, plates, ribs, insulation, materials, or manufacturing and assembly
    • F02B29/0462—Liquid cooled heat exchangers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present invention belongs to the technical field related to intercoolers. More specifically, the tube having an elliptical cross section and a heat dissipation fin corresponding to its shape are used as cooling means to complete the intercooler, and the shape of the tube sheet hole is formed in a circle, and the tube deformation and the tube for coupling the tube sheet and the tube and Characterized in that the expansion process.
  • a general ship intercooler is a system for improving the engine output by increasing the air density by cooling the intake air of the engine and increasing the amount of intake air, comprising a tube through which the coolant passes and a heat radiating fin for promoting heat transfer. The elements are combined to make them.
  • the tube through which the coolant flows is usually used, because a circular tube having a circular cross section is used, and wakes are severely generated behind the tube when air flows around the tube for cooling. And since the pressure gradient is severe around the tube, a poor heat transfer occurs.
  • the present invention provides a method of effectively producing only the tube heat sink fin block of the intercooler component.
  • the size of the intercooler can be reduced (down sizing), thereby lowering the manufacturing cost, reducing the space occupied, and providing an intercooler manufacturing method having an advantage of being more convenient in handling such as transportation.
  • An intercooler system of the present invention for achieving the above object, a plurality of elliptical heat radiation fin holes 112 are drilled, a plurality of heat radiation fins are stacked at a predetermined interval; And a plurality of tubes 150 having an elliptical cross section inserted into the elliptical radiation fin holes 112 of the stacked radiation fins 110. And a pair of tube sheets 120 which are inserted and fastened through tube tube holes 122 at both ends of the tube 150.
  • the tube 150 outer surface and the heat dissipation fin hole 112 in order to remove the clearance between the inserted tube outer surface and the heat dissipation fin hole inner circumferential surface, by pushing the elliptical expansion means into the tube tube 150 ) And the heat dissipation fin hole 112 are completely bonded, and both ends of the tube 150 are exerted with an external force to reduce the length of the major axis of the elliptic cross section of the tube and to form a similar circular shape.
  • the expansion means having a circular cross section is inserted into each tube end (c portion), so that the tube sheet hole 122 surface and the tube end (c portion) are completely bound.
  • the heat dissipation fin 110 and the tube 150 and the tube sheet 120 are integrated by cutting the portion (c 'portion) protruding out of the tube sheet 120 among the tube ends.
  • the intercooler manufacturing method of the present invention the following effects can be exhibited.
  • Second, the tube and the heat dissipation fins of the intercooler can be temporarily assembled and expanded to complete an independent assembly, so that only the tube heat dissipation fin blocks can be easily replaced when repairing or replacing the intercoolers, thereby significantly reducing the intercooler repair time. There is an advantage that can significantly reduce the cost.
  • FIG. 1 is an external perspective view of an intercooler body according to a process of the present invention
  • FIG. 1 is an exploded perspective view of FIG. 1;
  • FIG 3 is a perspective view of the tube radiating fin block is mounted on the tube sheet of the component of Figure 1,
  • Figure 4 is a perspective view of the tube heat sink fin block in the state of removing the tube sheet of the component of Figure 3,
  • FIG. 5 is a perspective view showing a plurality of the tube heat sink fin block of FIG.
  • FIG. 6 is an enlarged view of a part of the heat dissipation fin of FIG. 4;
  • FIG. 7 is a perspective view of only the tube sheet separated from the components of FIG. 3; FIG.
  • FIG. 8 is a view for explaining a process for joining a tube to a tubesheet
  • FIG. 10 is a perspective view of the tube of FIG. 8;
  • FIG. 11 is a view for explaining a process of completely attaching and binding a tube to an inner surface of a tube sheet hole after inserting the tube into the tube sheet hole;
  • FIG 12 to 20 are views related to the apparatus and method for manufacturing the tube heat sink fin block.
  • step S8 Cutting a portion (c 'portion) of the tube end projecting out of the tube sheet 120 (step S8) (completion of the heat radiation fin and the tube and tube sheet);
  • step S9 Assembling the side plate (180a, 180b), the reversing cover 175, the condensate collector 190 and the channel cover 170 with the combined assembly is completed in step 7 (step S9)
  • the tubes are arranged in a plurality of layers, the tubes of the same layer are arranged at a predetermined interval, the tubes disposed in the upper and lower layers of a specific layer, by being disposed in the space between the tubes of a specific layer, thereby cooling
  • the tube sheet hole formed in the tube sheet prepared in the step S6 to apply an external force, so that the length X of the tube end is smaller than the diameter Y of the tube sheet hole 122
  • Reference numeral 122 is formed in the shape of a garden, the intercooler manufacturing method characterized in that the tube of the fifth step is inserted into the garden-like tube sheet hole 122 is the best form for the practice of the present invention.
  • FIG. 1 is an external perspective view of an intercooler main body according to a process of the present invention
  • FIG. 2 is an exploded perspective view of FIG. 1
  • FIG. 3 is a perspective view of a tube radiating fin block mounted to a tube sheet among components of FIG. 1.
  • the intercooler of the present invention is manufactured in the following order.
  • the intercooler which is a manufacturing target of the present invention, is for cooling intake air in an industrial engine, particularly a marine engine, and is a system that effectively discharges heat contained in water passing through the tube by supplying air from above as shown in FIG. 1.
  • FIG. 2 Each component of FIG. 1 is as shown in FIG. 2. That is, the tube (see FIG. 4, 150) and a pair of tube sheets 120 to accommodate the heat dissipation fin 110 and the tube end are integrated in the tube is located in the center of the main body 100. And the front and rear of the main body, the channel cover (170, channel cover) and the reversing cover 175 are located, respectively, the side plates (180a, 180b) are coupled to both sides of the main body, condensed water on the bottom of the main body Water collector 190 is located. The passages through which water flows into and out of the tube are absorbing holes 160 and drains 161, respectively.
  • FIG 4 is a perspective view of the tube heat sink fin block of the two tube sheets 120 of the components of Figure 3 removed
  • Figure 5 is a perspective view showing a plurality of tube heat sink fin block of Figure 4
  • Figure 6 is used in Figure 4
  • Tube heat dissipation fin block refers to the assembly in which the tube 150 and the heat dissipation fin 110 are physically integrated.
  • the heat dissipation fins 110 are stacked in plurality at predetermined intervals, but generally have a distance of about 0.5 to 2.0 mm, but is not necessarily limited thereto.
  • the heat dissipation fin 110 has a heat dissipation fin hole 112 corresponding to the cross-sectional shape of the tube 150.
  • a protruding portion of about 0.5 to 1.3 mm is formed along the edge of the heat dissipation fin hole 112.
  • the expansion operation performed by inserting the tube 150 into the heat dissipation fin hole 112 is performed by inserting an egg-shaped expansion ball 1311 into the tube 150 end and applying a high pressure. As the expansion ball 1311 is pushed through the inside of the tube, the inner diameter of the tube is increased to produce a combination of the heat dissipation fin and the tube.
  • protrusions 114 formed by embossing are formed between the heat dissipation fin holes 112 of FIG. 4.
  • the protrusions 114 are formed for the purpose of promoting heat transfer by generating turbulent flow when air flows between the radiating fins.
  • the tubes are arranged in a plurality of layers.
  • the tubes are formed of three layers, and the number of the layers is arbitrarily adjustable.
  • the combination of the tube 150 and the heat dissipation fin 110 is first completed, and this process is a technique not conventionally presented.
  • the heat dissipation fin 110, the tube 150, and the tube sheet 120 are temporarily assembled, and then tube expansion is performed, thereby performing the process of integrating the heat dissipation fin, tube, and tube sheet together.
  • the tube radiating fin block can be completed separately, there is an advantage that the replacement of the tube radiating fin block can easily be made even in the main ship (ship) requiring intercooler repair.
  • Production time is also about 25 days in the prior art, while the present application has been found by the practical application that can be worked in a day.
  • both ends of the tube 150 are constantly deformed to insert the tube end into the tube seat hole 122 of the tube sheet 120 to integrate the tube, the heat dissipation fin and the tube sheet.
  • Tubesheet 120 is a portion that is coupled to the prepared tube heat sink fin block, the number of holes 122 should be formed.
  • the tube sheet hole 122 is formed in a garden shape instead of an ellipse in view of processability and productivity. This is because the process of forming the hole in the tube sheet in the shape of a garden is much easier than forming the hole in the ellipse shape.
  • the tube 150 has an elliptical cross section, and the tube sheet hole 122 is formed in a circular shape instead of an ellipse, so that the end of the tube needs to be deformed into a garden shape to be integrated into the tube sheet hole 122 without any play. Can be.
  • the process of deforming the end of the tube 150 to be compressed and bonded to the inner surface of the tube sheet hole 122 will be described. That is, as shown in FIG. 4, the end of the tube 150 having an elliptical cross section is slightly crushed to be as shown in FIG. 8. At this time, by applying a force to a portion corresponding to the long axis of the ellipse in the cross section of the tube to a degree similar to the length of the short axis deforms to a shape close to the circle.
  • the long axis length of the tube 150 is W
  • the length after the tube is crushed is X.
  • the diameter of the tube sheet hole 122 into which the tube end is to be inserted is Y
  • the modified tube end length X should be smaller than at least Y to be inserted into the tube sheet hole 122.
  • a tube (not shown) is inserted into the tube 150 to perform a process of completely compressing the tube outer circumferential surface to the inner circumferential surface of the tube sheet hole 122.
  • the end shape of the tube 150 is represented by a circle rather than a crushed shape.
  • the left side of Fig. 11 shows expansion and the right side shows the expansion in progress.
  • the gap is filled with the portion h, and the tube 150 and the tube sheet 120 are coupled by completely expanding the portion under the h to completely fill the inside of the tube sheet hole 122 with the tube end.
  • FIG. 9 illustrates a tube sheet 120, a tube 150, and a heat dissipation fin 110 in a state where the expansion process is completed. 10 shows only the tube 150 in the figure of FIG.
  • the tube end portion (c) of FIG. 10 is a portion to be inserted into the tubesheet hole 122, d is a transition portion, and e is an original tube elliptic cross section by a portion corresponding to the tubesheet thickness (C) of FIG. It is wealth.
  • the c portion of the tube 150 has a circular cross section by an expansion process. After completing all of these processes, the combination of the tube sheet and the tube and the heat dissipation fin shown in FIG. 3 is completed.
  • FIG. 4 the tube radiating fin block portion shown in FIG. 4 is manufactured through several steps.
  • An apparatus for manufacturing the tube heat sink fin block of FIG. 4 and a method of manufacturing the same will be described in more detail with reference to FIGS. 12 to 20.
  • FIG. 12 is an apparatus 1100 for manufacturing a tube heat sink fin block, and is largely composed of an expansion device 1300, a tube pipe device 1400, and a transfer device 1200.
  • a plurality of heat dissipation fins 110 are stacked on the transfer device 1200.
  • the heat dissipation fins are placed by placing temporary tube sheets 1710 and 1711 in front and rear of the heat dissipation fins 110 as shown in FIGS. 19 and 20. Do not hold it.
  • expansion device 1300 will be described.
  • the expansion device 1300 of FIG. 13 illustrates the expansion device of FIG. 12 in more detail.
  • the expansion device 1300 is provided with a hydraulic cylinder (1340a, 1340b), a motor (1313), a transfer gear (1312) and a guide rail (1360) to move left and right, up and down. Since these devices are commonly used tools for transporting the device, detailed descriptions are omitted.
  • the expansion device 1300 is shown in exploded view in FIG.
  • An expansion tube 1320 having an expansion tube 1311 (see FIG. 15) mounted at an end thereof is inserted into the tube 150, and the inner diameter of the tube is increased, and the heat dissipation fin 110 and the tube 150 are physically coupled.
  • the tube 150 and the expansion rod 1320 must lie in line in order for the expansion rod 1320 to be inserted into the tube 150.
  • FIG. 15 is a schematic view illustrating a situation in which the heat dissipation fin 110 and the tube 150 are first coupled.
  • Expansion operation is performed by inserting the expansion tube 1311 having an outer diameter larger than the inner diameter of the tube 150 to the end of the tube 150. As the expansion ball 1311 is pushed through the inside of the tube 150, the inner diameter of the tube 150 is increased.
  • the hole formed in the temporary tube sheet 1710 and the tube 150 do not interfere at all in the process of FIG. 15, and serve only as a guide.
  • the end of the tube 1150 is first inserted into the expansion rod guide 1316. It can be seen that the tube fixing pipe 1315 located outside the expansion rod guide 1316 moves forward with the moving plate 1390 to surround the expansion rod guide 1316 to prevent the tube from shaking.
  • the moving plate 1390 is configured to be able to move back and forth from the fixed plate 1390 attached to the expansion device main body.
  • the tube 1400 is configured to be moved back and forth, left and right, and vertically. Where the tube end is inserted corresponds to the tube receiving guide 1420 of FIG.
  • the tube unit body 1430 is formed with a plurality of holes through which the tube discharge table 1440 is advanced back and forth.
  • the principle of the shaft is as follows. That is, the tube 150 expanded through the expansion process described above is slowly inserted through the tube accommodation guide 1420 having an end portion of a trumpet shape.
  • the reason for the flared shape is to allow the tube end to be naturally received.
  • the outer diameter of the tube is smaller than the inner diameter of the tube accommodating guide 1420, so that the tube is drawn into the tube accommodating guide 1420 and is reduced to a circular cross section.
  • the final process of FIG. 18 is a process in which the tube discharge zone 1440 pushes out the reduced tube. At this time, the tube end is reduced and at the same time the tube is held tightly in the inner surface of the tube accommodation guide 1420, such that the tube discharge table 1440 is advanced by the hydraulic pressure to push the tube end out.
  • the present invention can be applied to the intercooler manufacturing field of the ship, can significantly reduce the manufacturing cost and production period, in particular can be used to produce an intercooler with good heat transfer efficiency.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

La présente invention a trait à un refroidisseur intermédiaire et à son procédé de fabrication, lequel refroidisseur intermédiaire utilise un tuyau, qui est doté d'une coupe transversale ellipsoïde, en tant que tuyau de refroidissement, de sorte que le transfert de chaleur peut être accéléré au-delà de celui du tuyau circulaire de l'art connexe, le débit de l'air de refroidissement est facilité et la durabilité dudit tuyau est supérieure à celle d'un tuyau qui est doté d'une coupe transversale circulaire en termes de résistance.
PCT/KR2011/009449 2011-04-15 2011-12-08 Refroidisseur intermédiaire et son procédé de fabrication Ceased WO2012141403A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
KR10-2011-0034929 2011-04-15
KR1020110034929A KR101077868B1 (ko) 2011-04-15 2011-04-15 인터쿨러 장치 제조 방법
KR1020110039305A KR101077026B1 (ko) 2011-04-27 2011-04-27 인터쿨러 시스템
KR10-2011-0039305 2011-04-27
KR1020110100557A KR101118637B1 (ko) 2011-10-04 2011-10-04 인터쿨러의 방열핀과 튜브가 일체화된 블럭을 제조하는 장치
KR10-2011-0100557 2011-10-04

Publications (1)

Publication Number Publication Date
WO2012141403A1 true WO2012141403A1 (fr) 2012-10-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2011/009449 Ceased WO2012141403A1 (fr) 2011-04-15 2011-12-08 Refroidisseur intermédiaire et son procédé de fabrication

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Country Link
WO (1) WO2012141403A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010021387A (ko) * 1999-08-25 2001-03-15 티. 제이. 드쥐르 강성 가스퍼 핀 열교환기의 제조 방법
KR20020072265A (ko) * 2002-08-20 2002-09-14 이해환 라디에이터용 방열핀과 튜브의 결합방법
JP2003088924A (ja) * 2001-09-12 2003-03-25 Kyoshin Kogyo Kk 拡管用マンドレル
JP2010214404A (ja) * 2009-03-16 2010-09-30 Mitsubishi Electric Corp 熱交換器の製造方法及びその熱交換器を用いた空気調和機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20010021387A (ko) * 1999-08-25 2001-03-15 티. 제이. 드쥐르 강성 가스퍼 핀 열교환기의 제조 방법
JP2003088924A (ja) * 2001-09-12 2003-03-25 Kyoshin Kogyo Kk 拡管用マンドレル
KR20020072265A (ko) * 2002-08-20 2002-09-14 이해환 라디에이터용 방열핀과 튜브의 결합방법
JP2010214404A (ja) * 2009-03-16 2010-09-30 Mitsubishi Electric Corp 熱交換器の製造方法及びその熱交換器を用いた空気調和機

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