KR20040052332A - Micro Channel Heat Exchanger - Google Patents

Micro Channel Heat Exchanger Download PDF

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Publication number
KR20040052332A
KR20040052332A KR1020020080196A KR20020080196A KR20040052332A KR 20040052332 A KR20040052332 A KR 20040052332A KR 1020020080196 A KR1020020080196 A KR 1020020080196A KR 20020080196 A KR20020080196 A KR 20020080196A KR 20040052332 A KR20040052332 A KR 20040052332A
Authority
KR
South Korea
Prior art keywords
heat exchanger
row
outdoor unit
tubes
tube
Prior art date
Application number
KR1020020080196A
Other languages
Korean (ko)
Inventor
문동수
진심원
송찬호
홍기수
Original Assignee
엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020020080196A priority Critical patent/KR20040052332A/en
Publication of KR20040052332A publication Critical patent/KR20040052332A/en

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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
    • F28F1/24—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/22—Making finned or ribbed tubes by fixing strip or like material to tubes
    • B21C37/24—Making finned or ribbed tubes by fixing strip or like material to tubes annularly-ribbed 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
    • F28F1/124—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 formed of pins

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geometry (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

PURPOSE: A structure for a heat exchanger of an outdoor unit is provided to improve the performance of a heat exchanger by realizing smooth heat exchange by attaching single fins to first and second row tubes in a straight line part of the heat exchanger. CONSTITUTION: A two-row tube type heat exchanger is formed of a straight line part and a curved line part. In the straight line part, single fins(10c) are attached to first and second row tubes(8a,8b) after the first and second row tubes are bent so that moving air passing through the first and second row tubes receives less resistance. In the curved line part, separate fins(10d) are attached to first and second row tubes the first and second row tubes are bent.

Description

실외기의 열교환기 구조{Micro Channel Heat Exchanger}Heat exchanger structure of outdoor unit {Micro Channel Heat Exchanger}

본 발명은 실외기의 열교환기 성능을 개선하기 의한 구조에 관한 것으로서,에어컨등의 실외기에 사용되는 열교환기에 있어서 열교환기의 성능을 개선하기 위한 핀의 부착 구조에 관한 것이다.The present invention relates to a structure by improving the heat exchanger performance of the outdoor unit, and relates to a fin attachment structure for improving the performance of the heat exchanger in a heat exchanger used in an outdoor unit such as an air conditioner.

일반적으로, 열교환기는 외부의 공기를 강제로 순환시켜서 열교환기 즉, 튜브내에 흐르는 냉매로부터 에너지를 흡수하여 외부로 방출시키기 위하여 사용된다.In general, the heat exchanger is used to circulate the outside air by force to absorb energy from the heat exchanger, that is, the refrigerant flowing in the tube and to release it to the outside.

따라서 상기의 열교환기는 열전달 효율이 우수해야 한다.Therefore, the heat exchanger should be excellent in heat transfer efficiency.

도 1은 실내기와 실외기로 이루어진 에어컨의 외형을 나타내는 도면이고, 도 2는 도 1에 있어서 에어컨 실외기의 내부구조를 나타내는 도면이다.1 is a view showing the external appearance of the air conditioner composed of the indoor unit and the outdoor unit, Figure 2 is a view showing the internal structure of the air conditioner outdoor unit in FIG.

이들 도면을 참조하여 에어컨의 실외기를 기준으로 설명하면, 에어컨에 있어서 냉기를 생성하여 실내의 온도를 기 설절한 적정의 온도로 유지하기 위한 실내기(1)와 냉동 사이클을 완성함에 있어서 발생하는 열을 외부로 방출하면서 이에 따른 소음을 차단하기 위하여 실외에 설치하는 실외기(2)로 이루어 지는데, 상기의 에어컨 실외기(2)는 실외기 케이스(3)와 상기 실외기 케이스(3)내에 구비되는 열교환기(6)와 상기 열교환기(6)의 열교환을 효율적으로 달성하기 위하여 외부의 공기를 강제로 순환시키기 위한 축류팬(5)과 상기의 축류팬(5)을 구동시키기 위한 축류팬 모터(4)로 구성된다.Referring to these drawings with reference to the outdoor unit of the air conditioner, the heat generated in completing the indoor unit (1) and the refrigeration cycle for generating cold air in the air conditioner to maintain the indoor temperature at a predetermined temperature Consists of an outdoor unit (2) that is installed outdoors in order to block the noise according to the emission to the outside, the air conditioner outdoor unit (2) is an outdoor unit case 3 and the heat exchanger (6) provided in the outdoor unit case (3) ) And an axial flow fan motor 4 for driving the axial flow fan 5 and the axial flow fan 5 for forcibly circulating external air in order to efficiently achieve heat exchange between the heat exchanger 6 and the heat exchanger 6. do.

일반적으로 열교환을 수행하는 열교환기(6)는, 냉매의 통로가 되는 헤더(미도시)와 상기 헤더에 결합되어 그 내부에 흐르는 냉매로부터 외부의 공기와 열교환을 수행하는 튜브(미도시)로 이루어 지고, 상기의 열교환기(6)의 인접한 후방에는 상기 열교환기(6)에 외부의 공기를 강제로 공급시키기 위하여 축류팬(5)이 놓이게 되고, 이때 상기 축류팬(5)에 의하여 강제로 순환되어 상기 열교환기(6)로 전달되는 외부 공기는 상호 인접한 영역과 접하면서 열교환을 하게 된다.In general, the heat exchanger 6 that performs heat exchange includes a header (not shown) that serves as a passage for the refrigerant and a tube (not shown) that is coupled to the header and performs heat exchange with external air from the refrigerant flowing therein. At an adjacent rear side of the heat exchanger 6, an axial fan 5 is disposed to forcibly supply external air to the heat exchanger 6, whereby it is forced to circulate by the axial fan 5. Thus, the outside air delivered to the heat exchanger 6 is in contact with an adjacent area to exchange heat.

도 3은 도 2에 있어서 에어컨 실외기의 내부구조를 자세히 나타내는 도면이고, 도 4는 도 3에 있어서 에어컨 실외기의 열교환기 구조를 나타내는 도면이다.3 is a view illustrating in detail the internal structure of the air conditioner outdoor unit in FIG. 2, and FIG. 4 is a view illustrating a heat exchanger structure of the air conditioner outdoor unit in FIG. 3.

이들 도면을 참조하면, 상기 열교환기에는 외부의 공기를 강제로 공급시키기 위하여 축류팬(미도시)이 모터 마운트(9)에 지지/고정되고, 상기 축류팬에 의하여 강제 순환되는 외부 공기는 핀(7)을 지나면서 열교환을 하게 된다.Referring to these drawings, in order to forcibly supply external air to the heat exchanger, an axial flow fan (not shown) is supported / fixed to the motor mount 9, and the external air forcedly circulated by the axial flow fan is fin ( Heat is exchanged as it passes 7).

종래의 기술에 따른 핀은, 튜브를 제작하기 위한 벤딩(bending) 공정에서 있어서 제 1열 튜브(8a) 및 제 2열 튜브(8b)를 벤딩한 후 상기 튜브들에 핀을 부착하게 되는데 이때 상기의 벤딩이 되어 있는 제 1열 튜브(8a) 및 제 2열 튜브(8b)에 핀을 부착하기가 곤란하게 되는데, 이는 일정 구간에서는 상기의 튜브들이 직선으로 형성되는 구간이 있는 반면, 상기의 직선 구간이 끝나는 또 다른 구간에는 곡선 구간이 이어지게 되어, 특히 상기의 곡선 구간에서는 상기의 벤딩된 제 1열 튜브 및 제 2열 튜브에 단일의 핀을 부착하는 것이 극히 곤란하기 때문이다.Fin according to the prior art, the bending of the first row tube (8a) and the second row tube (8b) in the bending (bending) process for manufacturing the tube is attached to the fins to the tubes at this time It is difficult to attach the pins to the first row tube 8a and the second row tube 8b, which are bent, which has a section in which the tubes are formed in a straight line. Another section at the end of the section is followed by a curved section, particularly in the curved section, it is extremely difficult to attach a single fin to the bent first row and second row tubes.

이는 곡률 반경이 작은 내측과 곡률 반경이 큰 외측의 신장률(벤딩에 따른)이 서로 다르기 때문에 단일의 핀으로써 상기의 튜브에 핀을 부착하는 작업이 매우 곤란하기 때문이다. 따라서 종래의 기술에 따른 핀부착은, 직선구간은 물론 곡선구간을 감안하여 제 1열 튜브(8a)에 핀을 부착하고, 이후 제 2열 튜브(8a)에 대하여도 직선구간과 곡선구간에 핀을 부착하여, 이들 핀이 부착된 제 1열 튜브(8a) 및 제 2열 튜브(8b)를 상호 근접시켜 고정시키므로써 열교환기를 제작하게 된다.This is because it is very difficult to attach the fin to the tube as a single fin because the elongation rate (according to the bending) of the inner side of the small radius of curvature and the outer side of the large radius of curvature is different from each other. Therefore, in the pinning according to the related art, the pin is attached to the first row tube 8a in consideration of the curved section as well as the straight section, and then the pins are disposed on the straight section and the curved section with respect to the second row tube 8a. By attaching the pins, the first row tube 8a and the second row tube 8b to which these fins are attached are fixed in close proximity to each other to produce a heat exchanger.

그러나, 종래의 기술에 따른 열교환기에 있어서는, 직선부와 곡선부에 부착된 핀이 모두 2열로 배치되어 있어서 상기의 제 1열 튜브(8a) 및 제 2열 튜브(8b)를 지나가는 유동공기가 상기의 각각의 핀을 거치면서 저항을 받게 되고, 상기의 저항에 의하여 유동공기의 흐름이 원활치 못하게 된다.따라서, 종래의 기술에 따른 열교환기는 유동공기의 원활치 못한 흐름으로 인하여, 유동공기와 열교환기간에 열교환이 잘 이루어지지 못하는 문제점이 발생하게 된다.However, in the heat exchanger according to the prior art, the fins attached to the straight portion and the curved portion are arranged in two rows so that the flow air passing through the first row tube 8a and the second row tube 8b is Through each fin of the resistance is received, the resistance of the flow of the flow of the air is not smooth. Therefore, the heat exchanger according to the prior art due to the unstable flow of the flow air, during the flow air and heat exchange period There is a problem that the heat exchange is not good.

본 발명은 이러한 문제점을 감안하여 창출된 것으로서, 실외기용 2열식 튜브타입 열교환기에 있어서, 직선부에서는 제 1열 및 2열 튜브에는 동일한 핀을 부착하므로써 열교환기의 효율을 제고할 수 있도록 하는 구조를 실현하는데 그 목적이 있다.The present invention has been made in view of the above problems, and in the outdoor unit two-row tube type heat exchanger, a structure in which the efficiency of the heat exchanger can be improved by attaching the same fins to the first row and the second row tubes in the straight portion. The purpose is to realize it.

도 1은 실내기와 실외기로 이루어진 에어컨의 외형을 나타내는 도면.1 is a view showing the appearance of an air conditioner consisting of an indoor unit and an outdoor unit.

도 2는 도 1에 있어서 에어컨 실외기의 내부구조를 나타내는 도면.2 is a view showing the internal structure of the air conditioner outdoor unit in FIG.

도 3은 도 2에 있어서 에어컨 실외기의 내부구조를 자세히 나타내는 도면.3 is a view showing in detail the internal structure of the air conditioner outdoor unit in FIG.

도 4는 도 3에 있어서 에어컨 실외기의 열교환기 구조를 나타내는 도면.4 is a view showing a heat exchanger structure of the air conditioner outdoor unit in FIG.

도 5는 본 발명에 따른 에어컨 실외기의 열교환기 구조를 나타내는 도면.5 is a view showing a heat exchanger structure of the air conditioner outdoor unit according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

1 : 에어컨 실내기 2 : 에어컨 실외기 3 : 실외기 케이스1: air conditioner indoor unit 2: air conditioner outdoor unit 3: outdoor unit case

4 : 축류팬 모터 5 : 축류팬 6 : 열 교환기4: axial fan motor 5: axial fan 6: heat exchanger

7 : 핀 8a : 제 1열 튜브 8b : 제 2열 튜브7 fin 8a first row tube 8b second row tube

9 : 모터 마우트 10a : 제 1열 핀 10b : 제 2열 핀9: Motor Mount 10a: First Row Pin 10b: Second Row Pin

10c : 일체형 핀 10d : 분리형 핀10c: integrated pin 10d: detachable pin

본 발명에 따른 실외기의 열교환기 구조는, 직선부와 곡선부로 이루어진 실외기용 2열식 튜브타입 열교환기에 있어서, 직선부에서는 제 1열 및 2열 튜브에 단일의 핀을 부착하고, 곡선부에서는 제 1열 및 2열 튜브에 별개의 핀을 부착하는 것을 특징으로 한다.The heat exchanger structure of the outdoor unit according to the present invention is a two-row tube type heat exchanger for an outdoor unit having a straight portion and a curved portion, in which a single fin is attached to the first and second row tubes at the straight portion, and the first portion at the curved portion. It is characterized by attaching separate pins to the row and row rows of tubes.

이하 본 발명에 따른 실외기의 열교환기 구조의 바람직한 실시예에 대하여 첨부된 도면에 의거하여 설명하면 다음과 같다.Hereinafter, a preferred embodiment of a heat exchanger structure of an outdoor unit according to the present invention will be described with reference to the accompanying drawings.

도 5는 본 발명에 따른 에어컨 실외기의 열교환기 구조를 나타내는 도면이다.5 is a view showing the heat exchanger structure of the air conditioner outdoor unit according to the present invention.

도 5를 참조하면, 2열식 튜브타입 열교환기에 있어서, 특히 직선부에서는 제 1열 및 2열 튜브에 단일의 핀이 부착되도록 구성하고, 곡선부에서는 제 1열 및 2열 튜브에 별개의 핀을 각각 부착되도록 구성하게 된다. 이를 좀더 자세히 살펴보면,Referring to FIG. 5, in a two-row tube type heat exchanger, a single fin is attached to a first row and a second row of tubes in a straight section, and separate fins are attached to the first row and a second row of tubes in a curved section. It is configured to be attached to each. Looking more closely at this,

본 발명에 따른 핀은, 튜브를 제작하기 위한 벤딩(bending) 공정에서 있어서 제 1열 튜브(8a) 및 제 2열 튜브(8b)를 각각 벤딩한 후 상기 튜브들에 핀을 부착하게 되는데 이때 상기의 벤딩이 되어 있는 제 1열 튜브(8a) 및 제 2열 튜브(8b)들에는 튜브가 직선으로 형성되는 구간(직선구간)이 있는 반면, 상기의 직선 구간이 끝나는 또 다른 구간에는 곡선 구간이 이어지게 되는데, 상기의 밴딩된 제 1열 튜브 (8a) 및 제 2열 튜브(8b)를 근접시키고 상기 튜브들의 직선구간에 단일의 핀으로 부착/고정시키고, 상기 곡선구간에서는 각각의 핀을 상기 튜브들에 관통시켜 부착/고정시키면 된다. 이렇게 하여 제작된 본 발명에 따른 열교환기는 최소한 직선구간에 있어서는 제 1열 튜브 (8a) 및 제 2열 튜브(8b)에 대하여 단일의 핀이 부착되는 것으로서, 직선부에 있어서 상기의 제 1열 튜브(8a) 및 제 2열 튜브(8b)를 지나가는 유동공기는 단일의 핀을 거치면서 저항을 적게 받게 되고, 상기의 적은 저항에 의하여 유동공기의 흐름은 충분히 원활하게 된다. 따라서, 본 발명에 따른 열교환기는 유동공기의 흐름이 원활하여, 유동공기와 열교환기간에 열교환이 잘 이루어지게 된다.The fin according to the present invention, after bending the first row tube (8a) and the second row tube (8b) in the bending (bending) process for manufacturing the tube is attached to the pins to the tubes at this time The first row tube (8a) and the second row tube (8b), which is the bending of, has a section (linear section) in which the tube is formed in a straight line, while another section in which the straight section ends is a curved section. The banded first row tube 8a and the second row tube 8b are proximate and attached / fixed with a single pin in a straight section of the tubes, each fin being connected to the tube in the curved section. It is good to penetrate / attach them. The heat exchanger according to the present invention thus manufactured has a single fin attached to the first row tube 8a and the second row tube 8b at least in the straight section, and the first row tube in the straight section. The flow air passing through 8a and the second row tube 8b receives less resistance through a single fin, and the flow of the flow air is sufficiently smoothed by the less resistance. Therefore, the heat exchanger according to the present invention has a smooth flow of the flow air, the heat exchange is performed well in the heat exchange period with the flow air.

본 발명에 따른 실외기의 열교환기 구조는, 열교환기의 직선부에서 제 1열 및 2열 튜브에 동일한 핀을 부착하므로써 원활한 열교환이 이루어 지므로써 열교환기의 성능을 개선하는 효과가 있다.The heat exchanger structure of the outdoor unit according to the present invention has the effect of improving the performance of the heat exchanger by performing a smooth heat exchange by attaching the same fins to the first and second row tubes at the straight portion of the heat exchanger.

본 발명에 따른 또 다른 효과는 열교환기의 직선부에 대하여 단일의 핀을 부착하게 되므로 열교환기의 제작에 따른 작업성을 개선하는 효과가 있다.Another effect according to the present invention is to attach a single fin to the linear portion of the heat exchanger has the effect of improving the workability according to the manufacturing of the heat exchanger.

Claims (2)

직선부와 곡선부로 이루어진 실외기용 2열식 튜브타입 열교환기에 있어서, 제 1열 및 2열 튜브에 단일의 핀을 부착하는 것을 특징으로 하는 실외기의 열교환기 구조.A heat exchanger structure for an outdoor unit comprising: a single-row tube type heat exchanger for an outdoor unit having a straight portion and a curved portion, wherein a single fin is attached to the first and second row tubes. 제 1항에 있어서,The method of claim 1, 상기 단일의 핀은 특히 직선부에 부착하는 것을 특징으로 하는 실외기의 열교환기 구조.The single fin is particularly attached to the straight portion heat exchanger structure of the outdoor unit.
KR1020020080196A 2002-12-16 2002-12-16 Micro Channel Heat Exchanger KR20040052332A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101996059B1 (en) 2018-02-09 2019-07-03 엘지전자 주식회사 Heat exchanger for air conditioner
KR20190101193A (en) 2018-02-22 2019-08-30 엘지전자 주식회사 Heat exchanger for air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101996059B1 (en) 2018-02-09 2019-07-03 엘지전자 주식회사 Heat exchanger for air conditioner
KR20190101193A (en) 2018-02-22 2019-08-30 엘지전자 주식회사 Heat exchanger for air conditioner

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