KR101713773B1 - manufacturing method of cooling fin for battery module - Google Patents

manufacturing method of cooling fin for battery module Download PDF

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Publication number
KR101713773B1
KR101713773B1 KR1020150188422A KR20150188422A KR101713773B1 KR 101713773 B1 KR101713773 B1 KR 101713773B1 KR 1020150188422 A KR1020150188422 A KR 1020150188422A KR 20150188422 A KR20150188422 A KR 20150188422A KR 101713773 B1 KR101713773 B1 KR 101713773B1
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KR
South Korea
Prior art keywords
width
finished product
depth
present
manufacturing
Prior art date
Application number
KR1020150188422A
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Korean (ko)
Inventor
정수원
정다운
김재우
윤주선
Original Assignee
유진레이델 주식회사
주식회사 티엔디
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Priority to KR1020150188422A priority Critical patent/KR101713773B1/en
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Publication of KR101713773B1 publication Critical patent/KR101713773B1/en

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    • 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
    • B21D53/022—Making the fins
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/08—Dies with different parts for several steps in a process
    • 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
    • B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • Y02E60/12—

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The present invention relates to a method for manufacturing a heat-dissipation fin for a battery module, wherein same interval starting points of a supplied material are positioned in a center of an upper end part and a lower end part of a half-finished product and a finished product, respectively, and a width of the material is formed to be larger than the width of the finished product in a case of an initial molding work. After then, the width of the material which is molded to be larger than the width of the finished product is gradually reduced, and the present invention performs a press-molding work while a depth is gradually increased in a press-molding work.

Description

Technical Field [0001] The present invention relates to a manufacturing method of a cooling fin for a battery module,

The present invention is characterized in that the width of the material is formed to be larger than the width of the finished product during the initial molding while the equally spaced points of the supplied material are formed to be positioned at the center of the upper and lower ends of the semi-finished product and the finished product, And more particularly, to a method of manufacturing a heat dissipation fin for a battery module, wherein the depth of the heat dissipation fin is gradually increased while the width of a largely molded workpiece is gradually reduced.

An environmentally friendly vehicle is an electric vehicle or a fuel cell vehicle that does not emit exhaust gas. The environmentally friendly vehicle is equipped with a battery for driving a motor for driving.

In the case of an electric vehicle, the reliability and stability of the battery system are the most important factors determining the commerciality of the electric vehicle. Therefore, in order to prevent battery performance deterioration due to various external temperature changes, Should be.

To this end, there is a need for a thermal control system for a pouch cell module capable of maintaining an appropriate temperature of the battery in a low temperature environment while having excellent heat radiation performance under ordinary climatic conditions.

A related art relating to the above-described technique is disclosed in Japanese Patent No. 574337, which is related to the manufacturing of a heat dissipation fin used in a conventional battery or the like. As shown in Fig. 1, a process of roll forming and packing a heat dissipation fin raw material; Then, a paste is applied to only the acid portion of the radiating fin using a roll and dried; A step of controlling a pitch of the radiating fins; Then, the heat dissipation fin is cut, and a paste in which a clad material and a binder are mixed is applied only to the acid portion 1a of the heat dissipation fin 1 to be brazed.

However, such a radiating fin is formed in a triangular shape by roll-forming, which makes it difficult to form a linear contact surface, which makes it difficult to perform rapid heat transfer at the contact portion.

SUMMARY OF THE INVENTION It is an object of the present invention to overcome the above-mentioned problems of the prior art, and it is an object of the present invention to provide a heat sink having a heat sink body for facilitating rapid heat transfer, And to provide a method of manufacturing a heat sink fin for a battery module that enables cost reduction by mass production by automation and enables manufacture of a heat sink fin having a high height and a high perpendicularity.

In order to achieve the above-described object, the present invention provides a method of manufacturing a semi-

The width of the material is formed to be larger than the width of the finished product during the initial molding,

There is provided a method for manufacturing a heat radiating fin for a battery module in which a width of a material formed to be larger than a width of an article to be manufactured in a subsequent step is gradually reduced while pressure is gradually increased.

In addition, the present invention can be applied to the case where the width and depth of the material to be pressed

A plurality of sets of first pressing portions having a same width and a depth along the material advancing direction of the upper mold, a plurality of sets of a plurality of N-pressing portions having a gradually decreasing width and a gradually increasing depth than the first pressing portion, The upper mold

And forming a lower mold having a first molding portion and an Nth molding portion corresponding to the upper mold.

The present invention also provides a method of manufacturing a radiating fin for a battery module in which the depths of the first forming portion and the Nth forming portion of the lower mold are always kept constant.

On the other hand, according to the present invention, since the same time interval of the supplied workpieces is formed to be positioned at the center of the upper and lower ends of the semi-finished and finished articles to be molded

The width of the material during the initial molding is made narrower than the width of the finished product,

Thereby completing a depth corresponding to each side of each side in a subsequent step.

In addition, the present invention can be applied to the case where the width and depth of the material to be pressed

A set of first pressing portions formed of a plurality of pieces having the same width and depth along the material advancing direction of the upper mold, a pair of first pressing portions having a width smaller than that of the first pressing portion and corresponding to only one side of the forming portion A first side pressing portion, a pair of second side pressing portions having a width smaller than that of the first pressing portion and corresponding to only the other side surface of the forming portion, a final pressing portion corresponding to the article for molding the article, The upper mold

A first side molding portion, a second side molding portion, and a final molding portion corresponding to the upper mold. The method of manufacturing a radiating fin for a battery module according to the present invention includes the steps of:

In addition, the present invention provides a method for manufacturing a radiating fin for a battery module in which a guide portion which is recessed upward is formed in a first pressing portion.

As described above, according to the present invention, since the heat radiating fins are brought into surface contact with the heat sink body, rapid heat transfer is achieved, and accurate symmetry is performed at both the top and the bottom. The cost can be reduced, and it is possible to manufacture a radiating fin having a high height and a high perpendicularity.

1 and 2 are flowcharts showing a conventional radiating fin and a method of manufacturing a radiating fin.
3 is a view illustrating a state in which the battery module of the radiating fin according to the present invention is applied.
FIG. 4 is a process flow chart illustrating a method of manufacturing a radiating fin according to the present invention.
FIGS. 5 and 6 are views illustrating a process for manufacturing a radiating fin according to the present invention.
FIG. 7 is a view illustrating a process for manufacturing a heat radiating fin according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 3 is a flowchart illustrating a method of manufacturing a radiating fin according to the present invention, and FIG. 5 and FIG. 6 are drawings showing a manufacturing process of a radiating fin according to the present invention. And FIG. 7 is a view illustrating a process of manufacturing a heat radiating fin according to another embodiment of the present invention.

The heat dissipation fin 100 of the present invention is installed in such a manner that the heat dissipation fin 100 is in tight contact with the heat sink 230 through the bracket 250 while being in surface contact with the upper surface of the heat sink 230 to which the heat dissipation plate 210 is closely connected.

At this time, the heat dissipation fin 100 has a plurality of contact surfaces 110 spaced apart in the horizontal direction and a plurality of heat dissipation surfaces 130 extending from the contact surface and connected in a direction orthogonal to the contact surface.

The center fins A1, A2, A3, A4, and A5, which are arranged at equal intervals in the work 101, are positioned at the center of each contact surface 110.

That is, the equally spaced center points of the supplied workpieces 101 are formed so as to be positioned at the center of the upper and lower ends of the semi-finished product SP and the finished product P to be molded, respectively.

Subsequently, the heat radiation fin of the present invention is formed such that the width (D2) of the semi-finished product (SP) by the material during initial molding is larger than the width (D1) of the finished product (P).

In the subsequent step, the depth of the material is gradually increased while the width of the material is gradually reduced.

At this time, the depth of the radiating fin is formed such that the depth H2 of the semi-finished product SP due to the material during the initial molding is smaller than the depth H1 of the finished product P.

In addition, the heat dissipation fin 100 is sequentially formed by moving the work 101 in steps one by one by the following mold (M).

That is, according to the present invention, in order to correspond to the width and depth of the material 101 to be pressed,

A set of a plurality of first pressing portions 513 having the same width and depth along the advancing direction, a plurality of sets of a plurality of N pressing portions having a gradually decreasing width and a gradually increasing depth than the first pressing portion An upper mold 510 provided with an upper mold 515,

The material is repeatedly pressed and formed while moving the material one by one through the lower mold 530 provided with the first forming part 533 and the Nth forming part 535 corresponding to the upper mold 510.

In the meantime, the depth of the Nth forming part of the lower mold 530 may be kept constant or may be set to have a predetermined difference d1 corresponding to the first forming part having a difference.

In the meantime, according to the present invention, the width (D3) of the material at the time of initial molding is set to be larger than the width (D1) of the finished product while forming the semi-finished product and the finished product, And then formed.

Then, in the subsequent step, the depth corresponding to each side S1 is completed.

In this case, the heat dissipation fin 100 according to another embodiment of the present invention includes a set of first pressing portions 513 formed of a plurality of heaters having the same width and depth along the traveling direction of the work 101, A plurality of first side pressing portions 512 corresponding to only one side surface S1 of the forming portion and having a width t which is a width of the first pressing portion 512 and a plurality of second pressing portions 512 corresponding to only the other side S2 of the forming portion, An upper mold 510 having a pair of second side pressing portions 514 and a final pressing portion 516 corresponding to the finished product for molding the finished product,

Through the lower mold 530 having the first forming part 533, the first side forming part 532, the second side forming part 534 and the final forming part 536 corresponding to the upper mold, And is repeatedly pressed while being moved by one step.

In addition, the present invention is configured such that a guide portion 580 which is recessed upward is formed in the first pressing portion 513.

The operation of the present invention constructed as described above will be described.

3 to 7, the radiating fin 100 of the present invention is mounted on the heat sink 230 through the bracket 250 while being in surface contact with the upper surface of the heat sink 230 to which the heat sink 210 is closely connected, When heat generated by the cell is transmitted through the heat sink contacting with the cell, the heat is transferred to the air by the heat radiating fins performing heat transfer.

The heat dissipation fin 100 has a plurality of contact surfaces 110 spaced apart from each other in a horizontal direction and a plurality of heat dissipation surfaces 130 extending in a direction perpendicular to the contact surface while being extended from the contact surface, (M), it is possible to mass-produce products with high height and high perpendicularity.

The heat dissipation fins 100 are arranged such that the center points A1, A2, A3, A4, and A5 disposed at equal intervals in the work 101 are positioned at the center of each contact surface 110, The center point is always located at the same position until the completion of the heat dissipating fin, so that the depth and width of the heat dissipating fin can be adjusted by the pressing portion and the forming portion without moving the material, finally completing the heat dissipating fin having the desired contact surface and the heat dissipating surface.

At this time, the heat dissipation fin of the present invention is formed by forming the width (D2) of the semi-finished product (SP) by the material during initial molding to be larger than the width (D1) of the finished product (P) The depth is gradually increased while being molded, thereby completing the heat radiating fin having the desired contact surface and the heat dissipating surface.

The depth of the heat dissipation fin is set such that the depth H2 of the semi-finished product SP due to the material during the initial molding is smaller than the depth H1 of the finished product P and the heat dissipation fin 100 is formed in the following mold M The material 101 is sequentially formed while being moved by one step.

The mold M for manufacturing the radiating fin 100 includes a set of a first pressing portion 513 having a plurality of holes having the same width and depth along the traveling direction of the material, An upper mold 510 provided with a plurality of N pressure units 515 having a gradually increasing depth and an upper mold 510 having a first molding unit 533 and an Nth molding unit 533 corresponding to the upper mold 510, The width D2 of the semi-finished product SP at the time of initial molding is smaller than the width D1 of the finished product P through the lower mold 530 provided with the lower mold 530, And the depth gradually increases when the width of the material is gradually reduced in a post-process, thereby performing pressure molding.

The heat dissipation fin according to another embodiment of the present invention is manufactured by forming the semi-finished product and the finished product at the same interval of the supplied material 10 in such a manner as to be positioned at the center of the upper and lower ends, respectively, ) Is made narrower than the width D1 of the finished product.

Then, the depth corresponding to each of the surfaces S1 and S2 in the subsequent step is completed, and the depth and width corresponding to the final product are finally obtained.

At this time, the heat dissipation fin 100 is manufactured by providing a plurality of first pressing portions 513 having the same width and depth along the traveling direction of the work 101, and a width t smaller than the first pressing portion A plurality of pairs of first side pressing portions 512 corresponding to only one side S1 of the forming portion while being in contact with only one side S2 of the forming portion, A first molding part 533 and a first side molding part 533 corresponding to the upper mold 514 and a final pressing part 516 corresponding to the finished product for molding the finished product; 532, the second side forming part 534, and the final forming part 536, the material is repeatedly pressed and formed by moving one step at a time.

Further, in the present invention, it is possible to form a semi-finished product protruding upward in an arc shape by forming a guide portion 580 which is recessed upward in the first pressing portion 513, and when the portion protruding in the arc shape is pressed, It is possible to smoothly perform the molding while the end portion moves toward the edge.

100 ... Heatpipes 101 ... Material
110 ... contact surface 130 ... open surface
210 .. heat sink 230 .. heat sink
250 ... bracket 510 ... upper mold
580 ... guide portion

Claims (6)

delete delete delete At the same interval of the supplied material, the molds are placed at the center of the upper and lower ends of the semi-finished product and the finished product,
The width of the material during the initial molding is made narrower than the width of the finished product,
And a depth corresponding to one side of each side is completed in a subsequent step. The heat dissipation fin as set forth in claim 4, wherein the heat dissipation fin
A set of first pressing portions formed of a plurality of pieces having the same width and depth along the material advancing direction of the upper mold, a pair of first pressing portions having a width smaller than that of the first pressing portion and corresponding to only one side of the forming portion A first side pressing portion, a pair of second side pressing portions each having a width reduced to be smaller than that of the first pressing portion and corresponding to only the other side surface of the forming portion, a final pressing portion corresponding to the article to mold the article, The upper mold
Wherein the lower mold is formed with a lower mold having a first molding part, a first side molding part, a second side molding part, and a final molding part corresponding to the upper mold. [6] The method of claim 5, wherein the first pressing portion is formed with a guide portion which is recessed upward.
KR1020150188422A 2015-12-29 2015-12-29 manufacturing method of cooling fin for battery module KR101713773B1 (en)

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KR1020150188422A KR101713773B1 (en) 2015-12-29 2015-12-29 manufacturing method of cooling fin for battery module

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KR101713773B1 true KR101713773B1 (en) 2017-03-09

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000193388A (en) * 1998-12-22 2000-07-14 Denso Corp Corrugated fin and its manufacture
JP2007111725A (en) * 2005-10-19 2007-05-10 Nippon Steel Corp Press forming method excellent in shape-fixability property, and press die
JP2007175757A (en) * 2005-12-28 2007-07-12 Usui Kokusai Sangyo Kaisha Ltd Method and apparatus for press-forming fin structure
KR101072537B1 (en) * 2009-08-11 2011-10-11 김상돈 Apparatus for manufacturing support member used in grating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000193388A (en) * 1998-12-22 2000-07-14 Denso Corp Corrugated fin and its manufacture
JP2007111725A (en) * 2005-10-19 2007-05-10 Nippon Steel Corp Press forming method excellent in shape-fixability property, and press die
JP2007175757A (en) * 2005-12-28 2007-07-12 Usui Kokusai Sangyo Kaisha Ltd Method and apparatus for press-forming fin structure
KR101072537B1 (en) * 2009-08-11 2011-10-11 김상돈 Apparatus for manufacturing support member used in grating

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