KR100213777B1 - Flat tube heat exchanger - Google Patents
Flat tube heat exchanger Download PDFInfo
- Publication number
- KR100213777B1 KR100213777B1 KR1019960079689A KR19960079689A KR100213777B1 KR 100213777 B1 KR100213777 B1 KR 100213777B1 KR 1019960079689 A KR1019960079689 A KR 1019960079689A KR 19960079689 A KR19960079689 A KR 19960079689A KR 100213777 B1 KR100213777 B1 KR 100213777B1
- Authority
- KR
- South Korea
- Prior art keywords
- heat exchanger
- tube
- flat tube
- heat
- refrigerant
- Prior art date
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Classifications
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
본 발명은 플랫튜브형 열교환기에 관한 것으로, 특히 밴딩작업시 발생하는 인장응력과 부가적인 핀의 열할로 인한 열전달 특성을 향상시켜 열교환기의 이용효율을 향상시키도록 하는데 목적이 있다.The present invention relates to a flat tube heat exchanger, and in particular, to improve the heat transfer characteristics due to the tensile stress generated during the bending operation and the additional heat of the fins to improve the utilization efficiency of the heat exchanger.
이를 실현하기 위하여 본 발명은 열교환기의 중앙을 기점으로 튜브 양쪽에 유도비드를 일체형으로 압출 성형시킨 것이다.In order to realize this, the present invention is to integrally extrusion molded induction beads on both sides of the tube from the center of the heat exchanger.
Description
본 발명은 열교환기에 관한 것으로서, 특히 냉매가 흐르는 튜브의 핀에 의해 공기와 열교환을 이루는 플랫튜브형 열교환기에 관한 것이다.The present invention relates to a heat exchanger, and more particularly, to a flat tube heat exchanger in which heat is exchanged with air by a fin of a tube through which a refrigerant flows.
종래 플랫 튜브형 열교환기와 그 주변의 구성은 제1도 및 제2도에 도시된 바와 같이 열교환기의 양쪽 끝에 냉매의 통로를 형성하는 헤더(1)와, 상기 헤더(1)와 결합되고 냉매가 유동할 수 있게 헤더 사이에 다수개로 형성된 튜브(2)와, 상기 튜브(2)내를 유동하는 냉매의 열이 외부의 공기와 원활하게 열교환이 이루어지도록 형성된 핀(3)과, 상기 튜브(2)내에 냉매가 유동하도록 형성된 채널(7)과, 냉매의 입출구관(5,6)으로 구성하였다.The conventional flat tubular heat exchanger and its surrounding configuration include a header (1) forming a passage of a coolant at both ends of the heat exchanger as shown in FIGS. 1 and 2, coupled with the header (1), and the coolant flows. A plurality of tubes 2 formed between the headers, fins 3 formed so that heat of the refrigerant flowing in the tubes 2 can be easily exchanged with outside air, and the tubes 2 It consists of the channel 7 formed so that a coolant flows inside, and the inlet / outlet pipes 5 and 6 of a coolant.
도면중 미설명 부호 4는 분리판을 나타낸다.In the drawings, reference numeral 4 denotes a separator.
이와같이 구성되는 종래 플랫튜브형 열교환기의 동작을 설명하면 다음과 같다.Referring to the operation of the conventional flat tube heat exchanger configured as described above are as follows.
제1도에서와 같이 열교환기의 한편에 홀로우관 형상으로 형성된 헤더(1)로 냉매 입구관(5)을 통하여 냉매가 유입되어지며, 상기 헤더(1)로 유입된 냉매는 헤더(1)에 삽입 결합된 다수의 튜브(2)내로 유입되어진다.As shown in FIG. 1, a refrigerant flows into the header 1 formed in a hollow tube shape on one side of the heat exchanger through the refrigerant inlet pipe 5, and the refrigerant introduced into the header 1 flows into the header 1. It is introduced into a plurality of tubes 2 which are inserted and coupled.
상기 튜브(2)로 유입된 냉매는 제2도에서와 같이 튜브(2)내에 형성된 다수의 채널(7)내를 유동하면서 튜브(2)와 튜브(2) 사이에 형성된 핀(3)에 의해서 냉매의 열이 외부의 공기와 원활하게 열교환이 이루어진다.Refrigerant introduced into the tube (2) is flowed through a plurality of channels (7) formed in the tube (2) as shown in Figure 2 by a fin (3) formed between the tube (2) and the tube (2) The heat of the refrigerant exchanges smoothly with the outside air.
상기 핀(3)에 의해 열교환된 냉매는 핀(3)내를 유동하면서 열교환기의 다른편에 형성된 헤더(1)로 유입되고, 상기 헤더(1)로 유입된 냉매는 분리판(4)에 의해 냉매의 유로를 형성시켜 주며, 냉매는 헤더(1) 하부에 형성된 냉매출구관(6)을 통해 열교환기의 외부로 토출되어진다.Refrigerant heat exchanged by the fin (3) flows into the header (1) formed on the other side of the heat exchanger while flowing in the fin (3), the refrigerant introduced into the header (1) to the separation plate (4) This forms a flow path for the refrigerant, and the refrigerant is discharged to the outside of the heat exchanger through the refrigerant outlet pipe 6 formed under the header 1.
종래의 플랫튜브형 열교환기는 헤더(1)와 병렬로 연결된 튜브(2)와 핀(3)으로 조합된 상태에서 90도 밴딩작업을 거치게 되는데, 밴딩작업시 관의 바깥쪽 부분은 인장응력을 급격히 받으므로 관의 파열로 인한 냉매 누수문제가 빈번히 발생하는 문제점이 있었다.The conventional flat tube type heat exchanger is subjected to 90 degree bending in a state of being combined with a tube (2) and a fin (3) connected in parallel with the header (1). Therefore, there was a problem that frequently leaks the refrigerant caused by the tube rupture.
본 발명은 상기한 바와 같이 종래 기술의 문제점을 해결하기 위하여 발명된 것으로 밴딩되는 튜브의 바깥부분과 안쪽부분에 각각 유도비이드를 일체형으로 성형시킴으로서, 튜브의 강도문제와 열전달 저하문제를 동시에 해결할 수 있도록 하는데 목적이 있다.The present invention is invented to solve the problems of the prior art as described above by molding the induction bead integrally to the outer and inner portions of the bent tube, respectively, it is possible to solve the problem of the strength of the tube and the heat transfer degradation The purpose is to make it work.
제1도는 종래 열교환기를 나타낸 것으로서,1 shows a conventional heat exchanger,
제1a도는 정면도 및 측면도.1a is a front view and a side view.
제1b도는 평면도.1b is a plan view.
제2도는 종래의 핀형상을 나타낸 도면.2 is a view showing a conventional pin shape.
제3도는 본 발명 열교환기의 밴딩상태를 나타낸 것으로서,Figure 3 shows the bending state of the heat exchanger of the present invention,
제3a도는 정면도 및 측면도.3a is a front view and a side view.
제3b도는 평면도.3b is a plan view.
제4도는 본 발명의 다른 실시예에 의한 튜브의 단면도.4 is a cross-sectional view of a tube according to another embodiment of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
101 : 헤더 102, 202 : 튜브101: header 102, 202: tube
103 : 핀 107, 207 : 유도 비이드103: pin 107, 207: guide bead
208 : 채널208: Channel
본 발명은 제3도 및 제4도를 참조하여 이하에서 상세히 설명한다.The invention is described in detail below with reference to FIGS. 3 and 4.
먼저 구성을 살펴보면 한쌍의 헤더(101)가 일정간격을 두고 위치해 있고, 상기 헤더(101)와 헤더(101) 사이에 냉매가 흐르는 복수의 튜브(102)가 형성되며, 상기 튜브(102)의 상하에는 열교환을 위한 핀(103)이 구성되는 열교환기에 있어서, 열교환기의 중앙을 기점으로 튜브(102)의 밴딩되는 바깥부분에 유도 비이드(107)를 일체형으로 압출성형 하였다.First of all, a pair of headers 101 are positioned at a predetermined interval, and a plurality of tubes 102 through which refrigerant flows are formed between the headers 101 and 101, and the upper and lower sides of the tubes 102 are formed. In the heat exchanger having a fin 103 for heat exchange, the guide bead 107 is integrally extruded to the banded outer portion of the tube 102 starting from the center of the heat exchanger.
그리고 다른 실시예로서 제4도와같이 내부에 다수개의 채널(208)이 형성된 튜브(202)의 양쪽단에 유도비이드(207)를 설치하여 인장응력과 부가적인 핀의 역할로 인한 열전달 특성을 향상시키도록 하였다.In another embodiment, induction beads 207 are installed at both ends of the tube 202 having a plurality of channels 208 formed therein to improve heat transfer characteristics due to the tensile stress and the role of additional fins. It was made.
이와 구성되는 본 발명 열교환기의 밴딩작업에 따른 동작을 설명하면 다음과 같다.Referring to the operation according to the bending operation of the heat exchanger of the present invention constituted as follows.
헤더(101)의 양단 사이의 튜브(102)와 핀(103)이 조합된 상태에서 제3도과 같은 방향으로 밴딩작업을 실시하게 되는데, 이때 인장응력이 많이 작용하게 되는 관의 바깥쪽 부분은 본 빌명의 유도 비이드(107)에 의해 강도를 보강해 줄수 있다.In the state where the tube 102 and the pin 103 between the two ends of the header 101 are combined, bending is performed in the direction as shown in FIG. 3, wherein the outer portion of the tube where the tensile stress acts a lot Strength can be reinforced by the guiding bead 107 of the bill.
이로 인하여 인장응력에 의한 관의 파열 및 냉매누수의 문제를 해결할 수 있게 되는 것이다.This will solve the problem of the tube rupture and refrigerant leakage due to tensile stress.
그리고 다른 실시예로 제4도에서와 같이 튜브(202)의 양단에 각각 유도비이드(207)를 설치하여 열전달을 촉진시킴으로 강도문제와 부가적인 열전달 저하문제를 동시에 모두 해결할 수 있게된다.In another embodiment, as shown in FIG. 4, induction beads 207 are installed at both ends of the tube 202 to promote heat transfer, thereby simultaneously solving both the strength problem and the additional heat transfer degradation problem.
이상 설명한 바와 같이 본 발명의 플랫튜브형 열교환기 구조는 튜브의 열전달 효과와 강도를 동시에 향상시켜 열교환기의 이용효율 및 성능을 향상시켜주는 효과가 있다.As described above, the flat tube heat exchanger structure of the present invention improves the efficiency and performance of the heat exchanger by simultaneously improving the heat transfer effect and strength of the tube.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960079689A KR100213777B1 (en) | 1996-12-31 | 1996-12-31 | Flat tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019960079689A KR100213777B1 (en) | 1996-12-31 | 1996-12-31 | Flat tube heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19980060332A KR19980060332A (en) | 1998-10-07 |
| KR100213777B1 true KR100213777B1 (en) | 1999-08-02 |
Family
ID=19493250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019960079689A KR100213777B1 (en) | 1996-12-31 | 1996-12-31 | Flat tube heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100213777B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040017968A (en) * | 2002-08-23 | 2004-03-02 | 엘지전자 주식회사 | Drainage structure for regenerator |
-
1996
- 1996-12-31 KR KR1019960079689A patent/KR100213777B1/en not_active IP Right Cessation
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| Publication number | Publication date |
|---|---|
| KR19980060332A (en) | 1998-10-07 |
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