KR20110030980A - Heat exchanging fin and heat exchanger having the fin - Google Patents

Heat exchanging fin and heat exchanger having the fin Download PDF

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Publication number
KR20110030980A
KR20110030980A KR1020090088671A KR20090088671A KR20110030980A KR 20110030980 A KR20110030980 A KR 20110030980A KR 1020090088671 A KR1020090088671 A KR 1020090088671A KR 20090088671 A KR20090088671 A KR 20090088671A KR 20110030980 A KR20110030980 A KR 20110030980A
Authority
KR
South Korea
Prior art keywords
heat dissipation
heat exchanger
heat
fin
dissipation fin
Prior art date
Application number
KR1020090088671A
Other languages
Korean (ko)
Inventor
김현철
Original Assignee
주식회사 고산
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 주식회사 고산 filed Critical 주식회사 고산
Priority to KR1020090088671A priority Critical patent/KR20110030980A/en
Publication of KR20110030980A publication Critical patent/KR20110030980A/en

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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
    • 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
    • B21D53/085—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal with fins places on zig-zag tubes or parallel tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/126—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element consisting of zig-zag shaped fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
    • F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F1/00—Tubular elements; Assemblies of tubular elements
    • F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
    • F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
    • F28F1/38—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and being staggered to form tortuous fluid passages

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

Abstract

PURPOSE: A radiating fin for a heat exchanger and a heat exchanger therewith are provided to improve the radiating efficiency of cooling water flowing in a radiating tube. CONSTITUTION: A radiating fin(200) for a heat exchanger is composed as follows. The radiating fin is formed by bending a thin metal plate in a zigzag shape. Concave parts and convex parts are formed in heat radiating sections(202) between the bent parts(204) of a radiating tube. The concavo and convex parts are consecutively formed in a corrugated shape.

Description

Heat exchanging fin and heat exchanger having the fin}

The present invention relates to a heat dissipation fin for a heat exchanger and a heat exchanger provided with the heat dissipation fin, the heat dissipation for the heat exchanger having an extended heat dissipation area so that heat exchange between the fluid flowing through the heat dissipation tube of the heat exchanger and the outside air can be performed more efficiently. It relates to a heat exchanger having a fin and its heat dissipation fin.

Devices such as air conditioners, refrigerators, car air conditioners, etc. comprise a heat exchanger, a general heat exchanger is composed of components such as headers, heat radiating tubes, heat radiating fins and baffles.

1 is a view for explaining the configuration of a conventional general heat exchanger.

As shown in the drawings, the header 20 of the conventional heat exchanger 10 is installed in a form of facing each other at intervals on both the upper and lower sides or at the left and right sides thereof, and the surfaces of the header 20 positioned at both sides face each other. On the upper side of the heat dissipation tube 30 is connected at a predetermined interval while the heat dissipation fin 40 is arranged between the heat dissipation tube and the heat dissipation tube in a thin metal array in a zigzag form.

Components such as the header 20, the heat dissipation tube 30, and the heat dissipation fin 40 of the heat exchanger 10 are generally formed of a metal such as aluminum or copper that has excellent thermal conductivity and does not easily corrode.

2 is a view for explaining the structure of a conventional heat dissipation fin.

As shown in the figure, the heat dissipation fins 40 are arranged in a zigzag form between the heat dissipation tubes 30, and thus, heat exchange with the fluid such as coolant passing through the heat dissipation tube 30 can be more efficiently performed. It is configured to be.

However, the heat dissipation fin, which was mounted in the conventional heat exchanger, was formed in a zigzag form by using a thin metal plate, and was installed between the heat dissipation tube and the heat dissipation tube.

The present invention has been made to solve the problems of the prior art as described above, the heat dissipation fin and the heat dissipation fin for heat exchanger to more effectively heat exchange of fluid such as cooling water flowing through the heat dissipation tube of the heat exchanger It is an object to provide a heat exchanger equipped with this.

In addition, another object of the present invention is to provide a heat dissipation fin for a heat exchanger and a heat exchanger having the heat dissipation fin, which can prevent the occurrence of condensation which causes corrosion or bacterial propagation.

The present invention configured to achieve the above object is as follows.

In the heat dissipation fin for heat exchanger is arranged between the heat dissipation tube of the heat exchanger, the thin metal plate is bent in a zigzag form, but the refraction section in contact with the heat dissipation tube is refracted in a right angle while the refraction section and The heat dissipation section between the refraction sections has a structure in which a concave portion and a convex portion are sequentially formed.

In the heat dissipation fin for heat exchanger according to the present invention, the concave portion and the convex portion may be formed in a continuous wave form.

In the heat dissipation fin for heat exchanger according to the present invention, the concave portion and the convex portion may be formed in a structure repeatedly formed at a predetermined interval.

In the heat dissipation fin for heat exchangers according to the present invention, the four sides of the heat dissipation section in which the concave portion and the block portion are formed may be formed in a flat surface.

In the heat exchanger according to the present invention, a plurality of heat dissipation tubes are arranged at regular intervals between a pair of headers facing each other, while heat dissipation fins having a thin thickness are arranged in a zigzag form at regular intervals between the heat dissipation tubes. In the heat exchanger, in which a baffle is installed at a predetermined interval to control the flow direction of the fluid flowing in the header, the heat dissipation fin is formed by refraction of a thin metal plate in a zigzag form, but the surface is formed into an uneven structure. .

According to the heat dissipation fin for the heat exchanger according to the present invention has an advantage that the heat dissipation efficiency of the fluid, such as the cooling water flowing along the inside of the heat dissipation tube can be improved as the heat dissipation area is enlarged.

According to the heat dissipation fin for heat exchanger according to the present invention, even if the heat dissipation area is enlarged, there is an effect of preventing condensation which is a cause of breeding or corrosion of bacteria.

According to the heat exchanger according to the present invention, as the heat dissipation fin having improved heat dissipation performance is provided, the performance of the heat exchanger is improved.

Hereinafter, the configuration of the heat dissipation fin for the heat exchanger according to the preferred embodiment of the present invention will be described in more detail with reference to the accompanying drawings.

3 is a perspective view of a heat dissipation fin according to an embodiment of the present invention, FIG. 4 is a configuration diagram of a heat exchanger to which a heat dissipation fin is applied according to an embodiment of the present invention, FIG. 5 is a cross-sectional view taken along line AA of FIG. BB line cross-sectional view shown in 5, Figure 7 is a perspective view of a heat radiation fin according to another embodiment of the present invention.

Reference numeral 200 denoted in the drawings indicates a heat dissipation fin according to an embodiment of the present invention, and reference numeral 100 indicates a heat exchanger to which the heat dissipation fin is applied according to an embodiment of the present invention.

The heat exchanger 100 according to the embodiment of the present invention is installed at a predetermined interval between the pair of headers 110, the headers 110 and the headers 110, which are installed to face each other in the form of empty pipes. The plurality of heat dissipation tubes 120 and the heat dissipation tube 120 is configured to include a heat dissipation fin 200 arranged in a zigzag form.

Header 110 of the heat exchanger 100 according to an embodiment of the present invention is formed in the shape of a pipe, as shown in the drawing, a pair of headers 110 on the inner wall facing each other of the heat dissipation tube 200 One end is connected.

In particular, the heat dissipation fin 200 according to the embodiment of the present invention is formed by bending a thin metal plate in a zigzag form as shown in FIG. 3, but the refraction section 204 contacting the heat dissipation tube 120 has a right angle. It becomes refractive. On the other hand, in the heat dissipation section 202 between the refraction section 204 and the refraction section 204, the recessed portion 210 and the convex portion 220 having a predetermined size are sequentially formed. Therefore, the heat dissipation section 202 of the heat dissipation fin 200 has a structure of an uneven waveform as a whole.

As described above, when the heat dissipation section 202 of the heat dissipation fin 200 has a wavy structure, the heat dissipation area may be relatively increased even in the same space, thereby improving heat dissipation performance.

In particular, the angle of the waveform formed in the heat radiating section 202 of the heat radiating fin 200 by the concave portion 210 and the convex portion 220 is set to 35 ° ± 3 °.

On the other hand, the four-sided edge portion 230 of the heat dissipation section 202 excluding the concave portion 210 and the block portion 220 is formed in a flat surface.

In the heat dissipation fin 200 according to the embodiment of the present invention, the refraction section 204 connected to the heat dissipation tube 120 is bent to form a right angle as shown in the drawing. As the refracting section of the heat dissipation fin 200 is formed to be refracted in a right angle as described above, the contact area between the heat dissipation tube 120 and the heat dissipation fin 200 is enlarged, thereby improving heat transfer efficiency.

The concave portion 210 and the convex portion 220 formed in the above-described heat dissipation fin 200 may be formed in a continuously repeated structure as shown in FIG. 3, or at regular intervals as shown in FIG. 7. It may be formed repeatedly.

The heat exchanger 100 according to the embodiment of the present invention includes a heat dissipation fin 200 configured as described above, so that the heat dissipation performance is improved by the flow of external air as shown in FIG. 6 and the expansion of the heat dissipation area. Greatly improved.

On the other hand, in the heat dissipation fin 200 for the heat exchanger according to the embodiment of the present invention, as the concave portion 210 and the convex portion 220 are sequentially formed on the surface thereof, condensation is less likely to occur.

The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the technical idea of the present invention.

1 is a perspective view of a conventional general heat exchanger.

Figure 2 is a perspective view of a heat radiation fin for a conventional heat exchanger.

3 is a perspective view of a heat radiation fin according to an embodiment of the present invention.

4 is a configuration diagram of a heat exchanger to which a heat dissipation fin is applied according to an embodiment of the present invention.

5 is a cross-sectional view taken along the line A-A shown in FIG.

FIG. 6 is a cross-sectional view taken along the line B-B shown in FIG. 5. FIG.

7 is a perspective view of a heat radiation fin according to another embodiment of the present invention.

[Description of Code for Major Parts of Drawing]

100. Heat Exchanger 110. Header

120. Heat dissipation tube 200. Heat dissipation fins

202. Heat dissipation section 204. Refraction section

210. Concave portion 220. Convex portion

Claims (5)

In the heat dissipation fin for heat exchanger arranged between the heat dissipation tube of the heat exchanger, The thin metal plate is refracted in a zigzag form, but the refraction section in contact with the heat dissipation tube is refracted in a right angle shape, while the heat dissipation section between the refraction section and the refraction section is formed with concave and convex parts in turn. Heat dissipation fins. The heat dissipation fin according to claim 1, wherein the concave portion and the convex portion are continuously formed to form a wave. The heat dissipation fin according to claim 1, wherein the concave portion and the convex portion are formed in a structure repeatedly formed at a predetermined interval. The heat dissipation fin according to any one of claims 1 to 3, wherein the four sides of the heat dissipation section in which the recess and the block portion are formed are formed in a flat surface. A plurality of heat dissipation tubes are arranged at regular intervals between a pair of opposing headers, while thin heat dissipation fins are arranged in a zigzag form at regular intervals between the heat dissipation tubes, but inside the headers. In the heat exchanger is provided with a baffle at intervals to control the flow direction of the fluid flowing inside the header, The heat dissipation fin is a heat exchanger, characterized in that the thin metal plate is formed to be refracted in a zigzag form, the surface of which is formed into an uneven structure.
KR1020090088671A 2009-09-18 2009-09-18 Heat exchanging fin and heat exchanger having the fin KR20110030980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090088671A KR20110030980A (en) 2009-09-18 2009-09-18 Heat exchanging fin and heat exchanger having the fin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090088671A KR20110030980A (en) 2009-09-18 2009-09-18 Heat exchanging fin and heat exchanger having the fin

Publications (1)

Publication Number Publication Date
KR20110030980A true KR20110030980A (en) 2011-03-24

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Family Applications (1)

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KR1020090088671A KR20110030980A (en) 2009-09-18 2009-09-18 Heat exchanging fin and heat exchanger having the fin

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101398857B1 (en) * 2011-11-28 2014-05-27 최영종 Catalyst reactor with increasing heat exchanging surface
US8790454B2 (en) 2011-04-05 2014-07-29 Korea Institute Of Science And Technology Heat exchanger having dehumidifying liquid and dehumidifier having the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8790454B2 (en) 2011-04-05 2014-07-29 Korea Institute Of Science And Technology Heat exchanger having dehumidifying liquid and dehumidifier having the same
KR101398857B1 (en) * 2011-11-28 2014-05-27 최영종 Catalyst reactor with increasing heat exchanging surface

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