KR20000065576A - Fin structure on a condenser in an outdoor unit of an air conditioner - Google Patents

Fin structure on a condenser in an outdoor unit of an air conditioner Download PDF

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Publication number
KR20000065576A
KR20000065576A KR1019990011992A KR19990011992A KR20000065576A KR 20000065576 A KR20000065576 A KR 20000065576A KR 1019990011992 A KR1019990011992 A KR 1019990011992A KR 19990011992 A KR19990011992 A KR 19990011992A KR 20000065576 A KR20000065576 A KR 20000065576A
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South Korea
Prior art keywords
condenser
fins
pitch
outdoor unit
air conditioner
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Application number
KR1019990011992A
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Korean (ko)
Inventor
구자융
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전주범
대우전자 주식회사
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Priority to KR1019990011992A priority Critical patent/KR20000065576A/en
Publication of KR20000065576A publication Critical patent/KR20000065576A/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
    • F28F1/124—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • F24F1/18—Heat exchangers specially adapted for separate outdoor units characterised by their shape
    • 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
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media

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

Abstract

PURPOSE: A compressor fin is provided to reduce material cost while maintaining superior cooling efficiency by arranging fins arranged onto a condenser to have different fin pitches so as to correspond to a change of the amount of air from an axial blower. CONSTITUTION: In a condenser(200) mounted to an indoor unit of an air conditioner and which is cooled by heat-exchange with an air flowing by a rotation of an axial blower(210), a plurality of compressor fins with a first pitch(i.e., spacing between each of the fins) are arranged in a portion facing a radial outside of the axial blower, and a plurality of fins with a second pitch are arranged in a portion facing the center portion of the axial blower. The fins are arranged in such a manner that the first pitch is narrower than the second pitch. Thus, fins arranged at the center portion of the condenser have wider pitches, thereby reducing material cost.

Description

공기조화기 실외기의 응축기 핀 구조 {FIN STRUCTURE ON A CONDENSER IN AN OUTDOOR UNIT OF AN AIR CONDITIONER}Fin structure of air conditioner outdoor unit {FIN STRUCTURE ON A CONDENSER IN AN OUTDOOR UNIT OF AN AIR CONDITIONER}

본 발명은 공기조화기(AIR CONDITIONER)의 실외기 내의 응축기에 관한 것으로, 더 상세하게는 실외에 설치되는 실외기(OUTDOOR UNIT) 내의 응축기 상에 형성되는 핀을 축류팬의 반경 방향 풍량 변화에 따라 적절히 형성시켜 재료비를 절감시킬 수 있는 응축기 핀 구조에 관한 것이다.The present invention relates to a condenser in an outdoor unit of an air conditioner (AIR CONDITIONER), and more particularly, to form a fin formed on the condenser in the outdoor unit (OUTDOOR UNIT) installed outdoors according to the change in the radial air flow rate of the axial fan as appropriate It relates to a condenser fin structure that can reduce the material cost.

공기조화기란, 어떠한 장소의 공기를 사람에게는 가장 쾌적한 상태로 유지시키고, 물품에 대해서는 사용목적에 가장 적당한 상태로 유지시키기 위한 수단을 말한다. 이러한 공기조화는 온도, 습도, 기류 및 청정도에 의하여 이루어진다.An air conditioner is a means for maintaining the air of a place in the most comfortable state for a person, and for the article in the most suitable state for a use purpose. This air conditioning is achieved by temperature, humidity, air flow and cleanliness.

그리고, 공기조화는 그 대상에 따라 보건용 공기조화와 공업용 공기조화로 대별되고, 공기조화기는 분리형과 일체형으로 대별된다. 분리형 공기조화기는 압축기와 응축기가 설치된 실외기와 팽창밸브와 증발기가 설치된 실내기가 분리되어 실내 및 실외에 각각 설치된 것을 말하고, 일체형 공기조화기는 실외기와 실내기가 하나의 유니트로 된 것을 말한다.Air conditioning is roughly divided into health air conditioning and industrial air conditioning according to the object, and air conditioners are classified into separate types and integrated types. The separate type air conditioner refers to an outdoor unit equipped with a compressor and a condenser and an indoor unit installed with an expansion valve and an evaporator, respectively, installed in the indoor and outdoor environments, and the integrated air conditioner refers to an outdoor unit and an indoor unit having one unit.

공기조화기의 실외기를 도 1을 참조하여 설명한다. 도 1은 실외기의 사시도이다. 이에 도시하듯이, 본체(100)의 내부에는 압축기(미도시)와 응축기(미도시) 그리고 모터(미도시) 등과 같은 다수의 부품이 내장된다. 그리고 본체(100)의 일면에는 흡입구(110)가 형성되고, 흡입구(110)에는 보호망(111)이 설치된다. 보호망(111)과 인접된 본체(100)의 내부에는 모터에 의하여 회전되면서 외부의 공기를 흡입하기 위한 축류팬(113)이 설치된다. 축류팬(113)은 본체 외부의 공기를 흡입하여 응축기 등에서 발생되는 방출열을 토출구(미도시)를 통하여 방열시킨다.The outdoor unit of the air conditioner will be described with reference to FIG. 1. 1 is a perspective view of an outdoor unit. As shown in the figure, a plurality of components, such as a compressor (not shown), a condenser (not shown), a motor (not shown), and the like are embedded in the main body 100. In addition, a suction port 110 is formed at one surface of the main body 100, and a protection net 111 is installed at the suction port 110. An axial fan 113 is installed inside the main body 100 adjacent to the protective net 111 to suck external air while being rotated by a motor. The axial fan 113 sucks air outside the main body to dissipate heat generated from a condenser, etc. through a discharge port (not shown).

도 2에는 종래 기술에 따른 응축기(120) 및 축류팬(113)의 배치 구조가 도시되어 있다. 도 2를 참조하면, 축류팬(113)은 대략 응축기(120)와 서로 대향하도록 배치되어 그 토출 공기가 응축기(120)와 열교환하여 응축기(120)를 냉각시킨다. 이때, 축류팬(113)의 반경 방향을 따라서 균일한 풍속이 발생되지는 않고, 오히려 중앙부보다는 그 반경 단부 측에서 더욱 강한 유속이 발생된다. 도 2에 도시된 바와 같이, 종래 응축기(120) 상에 형성된 다수의 핀(122)들은 그 너비 방향을 따라 서로 동일한 피치를 같도록 형성된다. 따라서, 축류팬(113)으로부터의 풍속을 고려해볼 때 응축기(120)의 중앙부에는 과다한 핀(122)이 형성된 결과를 가져오므로 재료비 차원에서 개선해야 할 문제점을 가지고 있다.2 shows the arrangement of the condenser 120 and the axial fan 113 according to the prior art. Referring to FIG. 2, the axial flow fan 113 is disposed to substantially face the condenser 120 so that the discharged air exchanges heat with the condenser 120 to cool the condenser 120. At this time, a uniform wind speed is not generated along the radial direction of the axial fan 113, but a stronger flow velocity is generated at the radial end side thereof than at the central portion. As shown in FIG. 2, the plurality of fins 122 formed on the conventional condenser 120 are formed to have the same pitch with each other along the width direction thereof. Therefore, when considering the wind speed from the axial fan 113, the result of the excessive fin 122 is formed in the central portion of the condenser 120 has a problem to improve in terms of material costs.

본 발명은 상기의 단점을 해소하기 위하여 안출된 것으로, 본 발명의 목적은 공기조화기 실외기에 제공되는 응축기 상에 형성되는 핀을 축류팬의 풍량의 변화에 대응하도록 핀 간의 피치를 달리 형성함으로써, 즉, 응축기 중앙부에는 그 피치를 좀 더 크게 함으로써 결과적으로는 재료비를 절감할 수 있는 응축기 핀 구조를 제공함에 있다.The present invention has been made to solve the above disadvantages, an object of the present invention is to form a fin formed on the condenser provided to the air conditioner outdoor unit by differently forming the pitch between the fins to correspond to the change in the air flow rate of the axial fan, That is, the condenser center portion to provide a larger condenser fin structure that can reduce the material cost as a result.

상기 목적을 달성하기 위한 본 발명은, 에어컨디셔너의 실외기 내에 장착되고 축류팬에 회전에 의한 공기 유동과 열교환하여 냉각되는 응축기에 있어서, 상기 축류팬의 반경 방향 외측과 대면하는 부위에는 열교환을 촉진하기 위한 다수의 핀이 그 각 핀 간의 간격인 제1피치가 작도록 형성되고, 상기 축류팬의 중앙부와 대면하는 부위에는 다수의 핀이 그 제2피치가 상기 제1피치에 비해 크도록 형성되는 것을 특징으로 하는 응축기 핀 구조를 제공한다.The present invention for achieving the above object is, in the condenser mounted in the outdoor unit of the air conditioner and cooled by heat exchange with the air flow by the rotation in the axial flow fan, the portion facing the radially outer side of the axial flow fan for promoting heat exchange The plurality of pins are formed such that the first pitch, which is the distance between the respective pins, is small, and the plurality of pins are formed such that the second pitch is larger than the first pitch at the portion facing the central portion of the axial fan. It provides a condenser fin structure.

도 1은 일반적인 분리형 공기조화기의 실외기를 보인 사시도,1 is a perspective view showing an outdoor unit of a general detachable air conditioner;

도 2는 종래 기술에 따른 응축기 핀 구조를 보여주기 위한 개략도.2 is a schematic view showing a condenser fin structure according to the prior art.

도 3은 본 발명의 바람직한 실시예에 따른 응축기 핀 구조를 보여주기 위한 개략도.3 is a schematic view showing a condenser fin structure according to a preferred embodiment of the present invention.

〈도면의 주요 부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

200: 응축기 210: 축류팬200: condenser 210: axial flow fan

221: 제1핀부 222: 제2핀부221: first pin portion 222: second pin portion

이하 첨부한 도면을 첨부하여 본 발명의 일 실시예를 상세히 설명한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

공기조화기는 냉매를 고온, 고압의 상태로 압축하는 압축기와 압축기로부터 냉매를 전달받아 냉매를 실온, 고압의 상태로 만드는 응축기가 내장된 실외기와, 응축기로부터 냉매를 전달받아 냉매를 팽창시켜 소정의 저압상태로 만드는 팽창밸브와 팽창밸브로부터 냉매를 전달받아 냉매를 저압, 저온의 상태로 만드는 증발기가 내장된 실외기를 가진다.An air conditioner is a compressor that compresses a refrigerant at a high temperature and high pressure, and an outdoor unit having a condenser that receives the refrigerant from the compressor to a room temperature and a high pressure state, and expands the refrigerant by receiving the refrigerant from the condenser, thereby expanding a predetermined low pressure. It has an expansion valve to be brought into a state and an outdoor unit having a built-in evaporator that receives the refrigerant from the expansion valve to bring the refrigerant into a low pressure and low temperature state.

본 실시예에 따른 실외기의 응축기 핀 구조를 도 3을 참조하여 설명한다.The condenser fin structure of the outdoor unit according to the present embodiment will be described with reference to FIG. 3.

도 3을 참조하면, 축류팬(210)에 회전에 의한 공기 유동과 열교환하여 냉각되는 응축기(200)는 그 너비 방향을 따라 서로 다른 핀 피치(different fin pitches)를 갖도록 제1 및 제2핀부(221, 222)가 형성된다. 좀 더 상세히 설명하면, 축류팬(210)의 반경 방향 외측과 대면하는 부위에는 열교환을 촉진하기 위한 다수의 핀을 포함하는 제1핀부(222)가 그 각 핀 간의 간격인 제1피치가 작도록 형성되고, 축류팬(210)의 중앙부와 대면하는 부위에는 다수의 핀을 포함하는 제1핀부(221)가 그 제2피치가 상기 제1피치에 비해 크도록 형성된다. 이는, 축류팬(210)으로부터 토출되는 풍량이 그 반경 방향을 따라 균일하지 않은 프로파일(profile)을 같기 때문에 상기 프로파일에 따라 각 핀의 조밀도를 달리하여 재료비를 효율적으로 절감하기 위한 것이다.Referring to FIG. 3, the condenser 200 that is cooled by heat exchange with air flow by rotation in the axial fan 210 may have different fin pitches along the width direction of the first and second fin parts ( 221 and 222 are formed. In more detail, in the portion facing the radially outer side of the axial fan 210, the first pin portion 222 including a plurality of fins for promoting heat exchange is small so that the first pitch, which is the distance between the fins, is small. The first pin portion 221 including a plurality of pins is formed at a portion facing the central portion of the axial fan 210 such that the second pitch thereof is larger than the first pitch. This is because the amount of air discharged from the axial fan 210 has the same non-uniform profile along the radial direction, so that the density of each fin is varied according to the profile to efficiently reduce the material cost.

통상적으로, 제1피치는 대략 1.2mm 정도로 설계되고, 제2피치는 대략 1.6mm로 설계되는 것이 바람직하다.Typically, the first pitch is designed to be approximately 1.2 mm, and the second pitch is preferably designed to approximately 1.6 mm.

상술한 바와 같이, 공기조화기 실외기에 제공되는 응축기 상에 형성되는 핀을 축류팬의 풍량의 변화에 대응하도록 핀 간의 피치를 달리 형성함으로써, 즉, 응축기 중앙부에는 그 피치를 좀 더 크게 함으로써 결과적으로는 재료비를 절감할 수 있다.As described above, the fins formed on the condenser provided in the outdoor unit of the air conditioner are formed by differently forming the pitch between the fins so as to correspond to the change in the air volume of the axial fan, that is, by making the pitch larger in the center of the condenser. Can reduce the material cost.

이상 본 발명이 바람직한 실시예에 근거하여 서술되었지만, 본 발명의 기술 사상의 범주 내에서 다양한 변형 및 개량이 이루어 질 수 있으며, 이러한 변형 및 개량도 본 발명에 속한다는 것을 당업자라면 인지할 수 있을 것이다.Although the present invention has been described based on the preferred embodiments, various modifications and improvements can be made within the scope of the technical idea of the present invention, and those skilled in the art will recognize that such variations and improvements also belong to the present invention. .

Claims (1)

에어컨디셔너의 실외기 내에 장착되고 축류팬에 회전에 의한 공기 유동과 열교환하여 냉각되는 응축기에 있어서,In the condenser mounted in the outdoor unit of the air conditioner and cooled in heat exchange with the air flow by rotation in the axial flow fan 상기 축류팬의 반경 방향 외측과 대면하는 부위에는 열교환을 촉진하기 위한 다수의 핀이 그 각 핀 간의 간격인 제1피치가 작도록 형성되고, 상기 축류팬의 중앙부와 대면하는 부위에는 다수의 핀이 그 제2피치가 상기 제1피치에 비해 크도록 형성되는 것을 특징으로 하는 응축기 핀 구조.A plurality of fins for facilitating heat exchange is formed at a portion facing the radially outer side of the axial fan such that a first pitch, which is an interval between the fins, is small, and a plurality of fins are disposed at a portion facing the central portion of the axial fan. The condenser fin structure, characterized in that the second pitch is formed to be larger than the first pitch.
KR1019990011992A 1999-04-07 1999-04-07 Fin structure on a condenser in an outdoor unit of an air conditioner KR20000065576A (en)

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KR19980028862U (en) * 1996-11-25 1998-08-05 배순훈 Condenser of Air Conditioner

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5932865U (en) * 1982-08-25 1984-02-29 カルソニックカンセイ株式会社 Heat exchanger
JPH0976734A (en) * 1995-09-18 1997-03-25 Showa Alum Corp On-vehicle condenser
KR19980028862U (en) * 1996-11-25 1998-08-05 배순훈 Condenser of Air Conditioner

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