KR20060067543A - Heat exchanger of air conditioner - Google Patents

Heat exchanger of air conditioner Download PDF

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Publication number
KR20060067543A
KR20060067543A KR1020040106351A KR20040106351A KR20060067543A KR 20060067543 A KR20060067543 A KR 20060067543A KR 1020040106351 A KR1020040106351 A KR 1020040106351A KR 20040106351 A KR20040106351 A KR 20040106351A KR 20060067543 A KR20060067543 A KR 20060067543A
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South Korea
Prior art keywords
heat exchanger
refrigerant
flow path
air conditioner
tube
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KR1020040106351A
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Korean (ko)
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KR100688168B1 (en
Inventor
심재훈
황윤제
이원희
현승엽
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엘지전자 주식회사
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Priority to KR1020040106351A priority Critical patent/KR100688168B1/en
Priority to CA002529867A priority patent/CA2529867A1/en
Priority to US11/302,386 priority patent/US20060150667A1/en
Priority to CNB2005101369419A priority patent/CN100371658C/en
Priority to JP2005361553A priority patent/JP2006170608A/en
Publication of KR20060067543A publication Critical patent/KR20060067543A/en
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Publication of KR100688168B1 publication Critical patent/KR100688168B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/04—Refrigeration circuit bypassing means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/06—Derivation channels, e.g. bypass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

본 발명에 따른 공기조화기의 열교환기는 냉매가 통과하는 냉매 유로를 형성하는 튜브상에 상기 냉매 유로를 가변시키는 유로가변수단이 구비됨으로써, 냉방 또는 난방 부하에 따라 상기 튜브를 통과하는 냉매의 유로를 가변시켜 열교환되는 냉매의 온도를 조절할 수 있기 때문에, 외부 부하에 따라 냉방 또는 난방 용량을 효과적으로 조절할 수 있는 효과가 있다. The heat exchanger of the air conditioner according to the present invention includes a flow path variable stage for varying the coolant flow path on a tube forming a coolant flow path through which the coolant flows, thereby providing a flow path of the coolant passing through the tube according to cooling or heating load. Since it is possible to adjust the temperature of the refrigerant to be heat exchanged by varying, there is an effect that can effectively control the cooling or heating capacity according to the external load.

공기조화기, 열교환기, 유로가변수단, 부하, 용량Air conditioner, heat exchanger, flow path, load, capacity

Description

공기조화기의 열교환기{Heat exchanger of air conditioner} Heat exchanger of air conditioner             

도 1은 종래 기술에 따른 공기조화기가 개략적으로 도시된 구성도,1 is a configuration diagram schematically showing an air conditioner according to the prior art,

도 2는 종래 기술에 따른 실외 열교환기의 내부가 개략적으로 도시된 구성도,Figure 2 is a schematic view showing the inside of the outdoor heat exchanger according to the prior art,

도 3은 본 발명의 실시예에 따른 공기조화기가 개략적으로 도시된 구성도,3 is a configuration diagram schematically showing an air conditioner according to an embodiment of the present invention;

도 4는 본 발명의 실시예에 따른 열교환기의 내부가 개략적으로 도시된 구성도.Figure 4 is a schematic diagram showing the inside of the heat exchanger according to an embodiment of the present invention.

<도면의 주요 부분에 관한 부호의 설명><Explanation of symbols on main parts of the drawings>

50: 압축기 52: 실외 열교환기50: compressor 52: outdoor heat exchanger

54: 실내 열교환기 56: 팽창기구54: indoor heat exchanger 56: expansion mechanism

60: 흡입헤더 62: 토출헤더60: suction header 62: discharge header

64: 열교환기 본체 66: 제 1튜브64: heat exchanger body 66: first tube

68: 제 2튜브 70: 유로가변수단68: second tube 70: euro variable stage

72: 제 1바이패스 유로 74: 제 1삼방밸브72: first bypass flow path 74: first three-way valve

76: 제 2바이패스 유로 78: 제 2삼방밸브76: second bypass flow path 78: the second three-way valve

본 발명은 공기조화기에 관한 것으로서, 특히 냉매의 유로를 가변시키는 유로가변수단이 구비됨으로써, 부하에 따른 냉방 또는 난방 용량의 조절이 용이한 공기조화기의 열교환기에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly, to a heat exchanger of an air conditioner, in which a flow path variable stage for varying a flow path of a refrigerant is provided, so that cooling or heating capacity can be easily adjusted according to load.

일반적으로 공기조화기는 보다 쾌적한 실내 환경을 조성하기 위하여 실내를 냉방 또는 난방시키는 장치로서, 실내 공기를 흡입한 후 가열 또는 냉각시켜 실내로 토출한다.In general, an air conditioner is a device that cools or heats a room in order to create a more comfortable indoor environment. The air conditioner sucks indoor air and heats or cools it to discharge the room.

도 1은 종래 기술에 따른 공기조화기가 개략적으로 도시된 구성도이고, 도 2는 종래 기술에 따른 실내 열교환기의 내부가 개략적으로 도시된 구성도이다.1 is a schematic view showing an air conditioner according to the prior art, and FIG. 2 is a schematic view showing an interior of an indoor heat exchanger according to the prior art.

종래 기술에 따른 공기조화기는 도 1에 도시된 바와 같이, 저온 저압의 기체 상태의 냉매를 고온 고압으로 압축시키는 압축기(2)와, 외부로 열을 방출하여 상기 압축기(2)에서 나온 냉매를 액체상태의 냉매로 응축시키는 응축기(냉방시에는 실외 열교환기(4), 난방시에는 실내 열교환기(8))와, 상기 응축기에 의해 응축된 액냉매를 기체와 액체가 혼합된 저온 저압의 2상 냉매로 팽창시키는 팽창기구(6)와, 외부의 열을 흡수하여 2상 냉매를 기체 상태로 변화시키는 증발기(냉방시에는 실내 열교환기(8), 난방시에는 실외 열교환기(4))를 포함하여 구성된다. The air conditioner according to the prior art, as shown in Figure 1, the compressor (2) for compressing the low-temperature low-pressure gaseous refrigerant to high temperature and high pressure, and discharges heat to the outside to cool the liquid from the compressor (2) Condenser condensed with refrigerant in a state (outdoor heat exchanger (4) for cooling, indoor heat exchanger (8) for heating), and low-temperature, low-pressure two-phase mixed liquid and gas refrigerant by the condenser An expansion mechanism (6) for expanding with a refrigerant and an evaporator (indoor heat exchanger (8) for cooling, outdoor heat exchanger (4) for heating) that absorbs external heat and changes the two-phase refrigerant into a gaseous state; It is configured by.

상기 압축기(2)는 용량이 일정한 정속형 압축기가 사용되는 바, 상기 압축기(2)의 용량 대비 냉방 부하가 적을 경우, 상기 압축기(2)의 용량을 조절하기 위해서 상기 압축기(2)의 흡입부와 토출부 사이에는 바이패스 수단(10)이 설치된다. The compressor 2 is a constant speed compressor having a constant capacity. When the cooling load is smaller than the capacity of the compressor 2, the suction part of the compressor 2 is used to adjust the capacity of the compressor 2. The bypass means 10 is provided between the discharge part and the discharge part.

상기 바이패스 수단(10)은 상기 압축기(2)의 흡입부와 토출부를 연결하는 바이패스 유로(12)와, 상기 바이패스 유로(12)상에 설치되어 상기 바이패스 유로(12)를 개폐시키는 개폐 밸브(14)로 구성된다. The bypass means 10 includes a bypass flow path 12 connecting the suction part and the discharge part of the compressor 2, and is installed on the bypass flow path 12 to open and close the bypass flow path 12. It consists of an on-off valve 14.

그리고, 상기 실내 열교환기(4)는 패널 형상으로 이루어져 외부 공기와 열교환되는 열교환기 본체(16)와, 상기 열교환기 본체(16)의 일측에 구비되어 상기 압축기(2)로부터 토출된 냉매가 흡입되도록 형성된 흡입 헤더(18)와, 상기 흡입 헤더(18)에서 분지된 적어도 하나 이상의 튜브(20)와, 상기 튜브(20)가 합지되어 열교환된 냉매가 토출되도록 형성된 토출 헤더(22)로 이루어진다. In addition, the indoor heat exchanger (4) has a panel shape and is provided with a heat exchanger main body (16) which is heat-exchanged with external air, and the refrigerant discharged from the compressor (2) is provided on one side of the heat exchanger main body (16). The suction header 18, the at least one tube 20 branched from the suction header 18, and the discharge header 22 are formed to discharge the refrigerant heat-exchanged by laminating the tubes 20.

상기 실내 열교환기의 내부구성도 상기 실외 열교환기와 동일하다.The internal configuration of the indoor heat exchanger is also the same as the outdoor heat exchanger.

상기와 같이 구성된 종래 기술에 따른 공기조화기는 상기 압축기(2)에서 나온 고온,고압의 냉매가 상기 실외 열교환기(4)로 유입되고, 상기 실외 열교환기(4)는 응축기로 작용하여 냉매의 열을 외부로 방출한다. In the air conditioner according to the related art, the high temperature and high pressure refrigerant from the compressor 2 is introduced into the outdoor heat exchanger 4, and the outdoor heat exchanger 4 acts as a condenser to heat the refrigerant. Emits to the outside.

상기 실외 열교환기(4)를 통과한 냉매는 상기 팽창기구(6)를 지나면서 저온, 저압으로 팽창되어 상기 실내 열교환기(8)로 유입된다. The refrigerant passing through the outdoor heat exchanger 4 is expanded to low temperature and low pressure while passing through the expansion mechanism 6 and flows into the indoor heat exchanger 8.

상기 실내 열교환기(8)로 유입된 냉매는 실내 공기의 열을 흡수함으로써, 실내를 냉방시키게 된다. The refrigerant introduced into the indoor heat exchanger 8 absorbs heat of indoor air, thereby cooling the room.

한편, 상기 압축기(2)의 용량을 줄여야 할 경우, 상기 개폐 밸브(14)를 개방 시키면, 상기 압축기(2)로부터 토출된 냉매 중 일부가 상기 바이패스 유로(12)를 통해 상기 압축기(2)의 흡입부로 다시 유입되게 된다. On the other hand, when the capacity of the compressor 2 is to be reduced, when the on-off valve 14 is opened, some of the refrigerant discharged from the compressor 2 passes through the bypass flow path 12. It will flow back into the suction part of.

그러나, 종래 기술에 따른 공기조화기는 냉방부하에 따라 냉방 용량을 조절하기 위해서는 상기 압축기(2)에서 토출된 냉매를 바이패스시켜 냉매의 유량을 조절하도록 구성되기 때문에, 가변되는 외부 부하에 대해 따라 바이패스되는 냉매의 유량을 가변시키는 데 한계가 있을 뿐만 아니라, 상기 압축기(2)를 구동시키는 데 필요한 소비전력은 동일하기 때문에, 전력 소모가 많아서 효율이 낮은 문제점이 있다. However, since the air conditioner according to the related art is configured to bypass the refrigerant discharged from the compressor 2 to adjust the cooling capacity according to the cooling load, and to adjust the flow rate of the refrigerant. Not only is there a limit to varying the flow rate of the refrigerant passing through, but the power consumption required to drive the compressor 2 is the same, so there is a problem of low power consumption and high efficiency.

본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 열교환기 내부의 냉매 유로를 가변시킴으로써, 외부 부하에 대하여 민감하게 대응할 수 있고, 소비전력을 저감시킬 수 있는 공기조화기를 제공하는데 그 목적이 있다.
The present invention has been made to solve the above problems of the prior art, by varying the refrigerant flow path inside the heat exchanger, it is possible to sensitively respond to external load, to provide an air conditioner that can reduce the power consumption There is a purpose.

상기한 과제를 해결하기 위한 본 발명에 따른 공기조화기의 열교환기는 냉매가 흡입되는 흡입 헤더와, 상기 흡입 헤더에서 분지되어 다중 절곡되게 형성되고, 외부 공기와 열교환되도록 냉매가 통과하는 냉매 유로를 형성하는 복수개의 튜브 와, 상기 복수개의 튜브가 합지되어, 열교환된 냉매가 토출되는 토출 헤더와, 상기 튜브를 통과하는 냉매의 용량을 조절할 수 있도록 상기 냉매 유로를 가변시키는 유로가변수단을 포함하여 구성된 것을 특징으로 한다.The heat exchanger of the air conditioner according to the present invention for solving the above problems is formed in the suction header, the refrigerant is sucked into the suction header, branched from the suction header is formed in multiple bent, the refrigerant passage through which the refrigerant passes to heat exchange with the outside air And a plurality of tubes, a plurality of tubes laminated to each other, a discharge header through which the heat exchanged refrigerant is discharged, and a passage for varying the refrigerant passage so as to adjust a capacity of the refrigerant passing through the tube. It features.

이하, 본 발명의 실시 예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 3은 본 발명의 실시예에 따른 공기조화기의 냉방 작동상태가 개략적으로 도시된 구성도이고, 도 4는 본 발명의 실시예에 따른 공기조화기의 열교환기의 내부가 개략적으로 도시된 구성도이다.3 is a configuration diagram schematically showing the cooling operation of the air conditioner according to an embodiment of the present invention, Figure 4 is a configuration schematically showing the inside of the heat exchanger of the air conditioner according to an embodiment of the present invention It is also.

본 발명에 따른 공기조화기는 도 3에 도시된 바와 같이, 저온 저압의 기체 상태의 냉매를 고온 고압으로 압축시키는 압축기(50)와, 외부로 열을 방출하여 상기 압축기(50)에서 나온 냉매를 액체 상태의 냉매로 응축시키는 응축기(냉방시에는 실외 열교환기(52), 난방시에는 실내 열교환기(54))와, 상기 응축기에서 응축된 액냉매를 기체와 액체가 혼합된 저온 저압의 2상 냉매로 팽창시키는 팽창기구(56)와, 외부의 열을 흡수하여 2상 냉매를 기체 상태로 변화시키는 증발기(냉방시에는 실내 열교환기(54), 난방시에는 실외 열교환기(52))를 포함하여 구성된다. The air conditioner according to the present invention, as shown in Figure 3, the compressor 50 for compressing the low-temperature low-pressure gaseous refrigerant at high temperature and high pressure, and discharges heat to the outside to cool the liquid from the compressor 50 A low-temperature, low-pressure, two-phase refrigerant in which a condenser condenses with a refrigerant in a state (an outdoor heat exchanger 52 for cooling, an indoor heat exchanger 54 for heating), and a liquid refrigerant condensed in the condenser. And an evaporator (an indoor heat exchanger 54 for cooling, an outdoor heat exchanger 52 for heating), and an expansion mechanism (56) for expanding the airflow and an external heat absorber to change the two-phase refrigerant into a gas state. It is composed.

여기서, 상기 압축기(50)는 용량이 일정한 정속형 압축기가 사용된다.Here, the compressor 50 is a constant speed compressor having a constant capacity.

한편, 상기 실내 열교환기(54)는 냉매가 흡입되는 흡입 헤더(60)와, 상기 흡입 헤더(60)에서 분지되어 다중 절곡되게 형성되고 외부 공기와 열교환되도록 냉매가 통과하는 냉매 유로를 형성하는 복수개의 튜브와, 상기 복수개의 튜브가 합지되어 열교환된 냉매가 토출되는 토출헤더(62)와, 상기 튜브를 통과하는 냉매의 용량 을 조절할 수 있도록 상기 냉매 유로를 가변시키는 유로가변수단(70)을 포함하여 구성된다. Meanwhile, the indoor heat exchanger 54 includes a plurality of suction headers 60 through which the refrigerant is sucked, and a refrigerant flow path through which the refrigerant passes through the suction header 60 so as to be branched and multiplely bent in the suction header 60 and exchange with the outside air. A plurality of tubes, a plurality of tubes are laminated, a discharge header 62 through which heat-exchanged refrigerant is discharged, and a flow path variable stage 70 varying the refrigerant flow path so as to adjust a capacity of the refrigerant passing through the tube. It is configured by.

상기 복수개의 튜브는 패널 형상으로 이루어진 열교환기 본체(64)에 의해 감싸지며, 상기 흡입헤더(60)와 토출헤더(62)는 상기 열교환기 본체(64)의 일측 또는 양측에 각각 구비된다. The plurality of tubes are wrapped by a heat exchanger body 64 having a panel shape, and the suction header 60 and the discharge header 62 are provided on one side or both sides of the heat exchanger body 64, respectively.

여기서, 상기 복수개의 튜브는 제 1튜브(66)와 제 2튜브(68)로 이루어진 것으로 한정하여 설명하고, 상기 제 1,2튜브(66)(68)의 각 일단은 상기 흡입헤더(60)에 연결되고, 각 타단은 상기 토출헤더(62)에 연결된다. Here, the plurality of tubes are described as being limited to the first tube 66 and the second tube 68, one end of each of the first and second tubes 66, 68 is the suction header 60 And the other end is connected to the discharge header 62.

상기 유로가변수단(70)은 상기 제 1,2튜브(66)(68)상에서 냉매를 상기 토출헤더(62)로 바이패스시킬 수 있도록 상기 제 1,2튜브(66)(68)의 각 절곡부와 토출헤더(62)를 연결하는 제 1,2바이패스 유로(72)(76)와, 상기 제 1,2바이패스 유로(72)(76)를 개폐시키는 개폐 밸브로 구성된다. The flow path variable stage 70 bends each of the first and second tubes 66 and 68 to bypass the refrigerant to the discharge header 62 on the first and second tubes 66 and 68. The first and second bypass passages 72 and 76 connecting the part and the discharge header 62, and the opening and closing valve for opening and closing the first and second bypass passages 72 and 76.

상기 제 1,2바이패스 유로(72)(76)는 상기 제 1,2튜브(66)(68)에 형성된 복수개의 절곡부 중 어느 일측에 형성된 것으로 한정하여 설명하나, 상기 실시예에 한정되지 않고, 복수의 위치에 구비되는 것도 가능하다. The first and second bypass passages 72 and 76 are limited to those formed at any one side of a plurality of bent portions formed in the first and second tubes 66 and 68, but are not limited to the above embodiments. It is also possible to be provided in multiple positions.

상기 개폐 밸브는 상기 제 1,2튜브(66)(68)의 절곡부와 제 1,2바이패스 유로(72)(76) 사이에 설치되어, 냉방 부하가 작아서 냉매의 용량을 줄여야 할 경우 상기 제 1,2바이패스 유로(72)(76)를 개방시키고, 냉방 부하 대비 냉매의 용량이 적절한 경우 상기 제 1,2바이패스 유로(72)(76)를 각각 밀폐시키는 제 1,2삼방 밸브(74)(78)이다. The on-off valve is installed between the bent portions of the first and second tubes 66 and 68 and the first and second bypass passages 72 and 76, and when the cooling load is small to reduce the capacity of the refrigerant, First and second three-way valves that open the first and second bypass flow paths 72 and 76 and seal the first and second bypass flow paths 72 and 76 respectively when the capacity of the refrigerant is appropriate to the cooling load. (74) (78).

여기서, 상기 실시예에 한정되지 않고, 상기 개폐 밸브로 상기 제 1,2바이패스 유로(72)(76)상에 솔레노이드 밸브를 각각 설치하여 사용하는 것도 가능하다.Here, the solenoid valve may be provided on the first and second bypass flow paths 72 and 76 as the on / off valves, respectively, and not limited to the above embodiments.

상기와 같이 구성된 본 발명에 따른 실내 열교환기가 구비된 공기조화기의 작동을 살펴보면 다음과 같다.Looking at the operation of the air conditioner with an indoor heat exchanger according to the present invention configured as described above are as follows.

상기 공기조화기의 냉방작동시, 상기 압축기(50)에서 압축된 고온, 고압의 냉매가 상기 실외 열교환기(52)로 유입되고, 상기 실외 열교환기(52)는 응축기로 작용하여 냉매의 열을 외부로 방출한다. During the cooling operation of the air conditioner, the high temperature and high pressure refrigerant compressed by the compressor 50 flows into the outdoor heat exchanger 52, and the outdoor heat exchanger 52 acts as a condenser to heat the refrigerant. Release to the outside.

상기 실외 열교환기(52)를 통과한 냉매는 상기 팽창기구(56)를 지나면서, 저온,저압으로 팽창되어 상기 실내 열교환기(54)로 유입된다.The refrigerant passing through the outdoor heat exchanger 52 passes through the expansion mechanism 56, expands to low temperature and low pressure, and flows into the indoor heat exchanger 54.

여기서, 상기 팽창기구(56)로부터 상기 실내 열교환기(54)로 유입된 냉매는 상기 흡입헤더(60)를 통해 상기 제 1,2튜브(66)(68)로 분지되어 유입된 후, 상기 제 1,2튜브(66)(68)를 통과하면서 실내 공기와 열교환된 후 상기 토출헤더(62)로 토출된 후, 상기 압축기(50)로 순환되게 된다. Here, the refrigerant introduced into the indoor heat exchanger 54 from the expansion mechanism 56 is branched into the first and second tubes 66 and 68 through the suction header 60, and then, After passing through the first and second tubes 66 and 68, they are heat-exchanged with indoor air and then discharged to the discharge header 62, and then circulated to the compressor 50.

즉, 상기 실내 열교환기(54)로 유입된 냉매는 실내 공기의 열을 흡수함으로써, 실내를 냉방시키게 된다. That is, the refrigerant introduced into the indoor heat exchanger 54 absorbs heat of indoor air, thereby cooling the room.

이 때, 냉방 부하가 작을 경우, 상기 제 1,2삼방밸브(74)(78)가 상기 제 1,2바이패스 유로(72)(76)를 개방시키게 된다. At this time, when the cooling load is small, the first and second three-way valves 74 and 78 open the first and second bypass flow paths 72 and 76.

상기 제 1,2바이패스 유로(72)(76)가 개방되면, 상기 실내 열교환기(54)로 유입된 냉매는 상기 제 1,2튜브(66)(68)를 통과하던 중에 상기 제 1,2삼방밸브(74)(78)를 통해 상기 제 1,2바이패스 유로(72)(76)로 우회되게 된다. When the first and second bypass passages 72 and 76 are opened, the refrigerant introduced into the indoor heat exchanger 54 passes through the first and second tubes 66 and 68 while the first and second bypass passages 72 and 76 are opened. The two-way valves 74 and 78 are bypassed to the first and second bypass passages 72 and 76.

즉, 냉방 부하가 작을 경우, 상기 제 1,2튜브(66)(68)를 통과하는 냉매를 도중에 우회시키게 되면, 냉매와 실내 공기와의 열교환이 적게 이루어지기 때문에, 실내 공기의 열을 덜 빼앗게 되므로, 냉방 부하에 대응하여 실내를 냉방시키는 정도를 낮출 수 있게 된다. That is, when the cooling load is small, when the refrigerant passing through the first and second tubes 66 and 68 is bypassed in the middle, heat exchange between the refrigerant and the indoor air is made less, and thus, the heat of the indoor air is reduced. Therefore, the degree of cooling the room can be reduced in response to the cooling load.

따라서, 냉방 부하에 민감하게 대응하여 실내의 냉방온도를 조절할 수 있게 된다. Therefore, the cooling temperature of the room can be adjusted in response to the cooling load.

한편, 상기 실내 열교환기(54)에 상기 유로가변수단(70)이 구비된 것으로 한정하여 설명하였으나, 상기 실외 열교환기(52)에 적용하여 난방 부하에 따라 상기 실외 열교환기(52)를 통과하는 냉매의 유로를 가변시켜 난방용량을 조절하는 것도 가능하다.On the other hand, the indoor heat exchanger 54, but the flow path variable stage 70 has been described as limited, but applied to the outdoor heat exchanger 52 to pass through the outdoor heat exchanger 52 in accordance with the heating load It is also possible to adjust the heating capacity by varying the flow path of the refrigerant.

또한, 상기 실시예에 한정되지 않고, 상기 압축기(50)를 용량 가변이 가능한 가변형 압축기를 사용하는 것도 가능하며, 가변형 압축기를 사용할 경우 열교환기 내의 냉매 유로도 축소됨과 아울러, 압축기를 구동하는 소비전력은 감소되고, 냉방 부하에 보다 민감하게 대응할 수 있을 뿐만 아니라 효율도 증대될 수 있게 된다. In addition, the present invention is not limited to the above embodiment, and it is also possible to use a variable compressor capable of varying the capacity of the compressor 50. When the variable compressor is used, the refrigerant flow path in the heat exchanger is reduced and power consumption for driving the compressor is also reduced. Can be reduced and respond to the cooling load more sensitively and the efficiency can be increased.

상기와 같이 구성되는 본 발명에 따른 공기조화기의 열교환기는 냉매가 통과하는 냉매 유로를 형성하는 튜브상에 상기 냉매 유로를 가변시키는 유로가변수단이 구비됨으로써, 냉방 또는 난방 부하에 따라 상기 튜브를 통과하는 냉매의 유로를 가변시켜 열교환되는 냉매의 온도를 조절할 수 있기 때문에, 외부 부하에 따라 냉방 또는 난방 용량을 효과적으로 조절할 수 있는 효과가 있다. The heat exchanger of the air conditioner according to the present invention configured as described above is provided with a variable flow path for varying the refrigerant flow path on the tube forming a refrigerant flow path through which the refrigerant passes, thereby passing through the tube in accordance with a cooling or heating load. Since the temperature of the refrigerant to be heat exchanged can be adjusted by varying the flow path of the refrigerant, the cooling or heating capacity can be effectively adjusted according to the external load.

또한, 유로가변수단이 구비된 열교환기와 가변형 압축기를 동시에 사용함으로써, 낮은 부하에서도 적은 소비전력으로 용량가변이 가능한 이점이 있다. In addition, by using a heat exchanger and a variable compressor having a flow path variable stage at the same time, there is an advantage that the capacity can be changed with low power consumption even at low load.

Claims (4)

냉매가 흡입되는 흡입 헤더와;A suction header through which the refrigerant is sucked; 상기 흡입 헤더에서 분지되어 다중 절곡되게 형성되고, 외부 공기와 열교환되도록 냉매가 통과하는 냉매 유로를 형성하는 복수개의 튜브와;A plurality of tubes branched from the suction header and formed in multiple bends, and forming a refrigerant passage through which the refrigerant passes to exchange heat with the outside air; 상기 복수개의 튜브가 합지되어, 열교환된 냉매가 토출되는 토출 헤더와;A discharge header through which the plurality of tubes are laminated to discharge heat-exchanged refrigerant; 상기 튜브를 통과하는 냉매의 용량을 조절할 수 있도록 상기 냉매 유로를 가변시키는 유로가변수단을 포함하여 구성된 것을 특징으로 하는 공기조화기의 열교환기.And a flow path variable stage configured to vary the coolant flow path so as to adjust a capacity of the coolant passing through the tube. 제 1 항에 있어서,The method of claim 1, 상기 유로가변수단은 상기 튜브를 통과하는 냉매를 바이패스시키도록 상기 튜브의 절곡부와 상기 토출헤더를 연결하는 바이패스 유로와, 상기 바이패스 유로를 개폐시키는 개폐 밸브로 구성된 것을 특징으로 하는 공기조화기의 열교환기. The flow path variable stage includes an air conditioner including a bypass flow path connecting the bent portion of the tube and the discharge header to bypass the refrigerant passing through the tube, and an on / off valve for opening and closing the bypass flow path. Heat exchanger. 제 2 항에 있어서,The method of claim 2, 상기 개폐 밸브는 상기 튜브의 절곡부와 바이패스 유로 사이에 설치된 삼방 밸브인 것을 특징으로 하는 공기조화기의 열교환기.The on-off valve is a heat exchanger of the air conditioner, characterized in that the three-way valve installed between the bent portion of the tube and the bypass flow path. 제 3 항에 있어서,The method of claim 3, wherein 상기 유로가변수단은 상기 복수개의 튜브에 각각 구비된 것을 특징으로 하는 공기조화기의 열교환기. The flow path variable stage is a heat exchanger of the air conditioner, characterized in that each provided in the plurality of tubes.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10648715B2 (en) 2015-12-10 2020-05-12 Lg Electronics Inc. Outdoor heat exchanger and air conditioner comprising the same
CN111426103A (en) * 2020-02-28 2020-07-17 青岛海尔空调电子有限公司 Heat exchange device, air conditioner and control method of air conditioner

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO345489B1 (en) * 2006-04-07 2021-03-01 Hamworthy Gas Systems As Method and device for cooling an LNG flue gas (BOG) stream in a liquid recovery plant
JP2008267496A (en) * 2007-04-20 2008-11-06 Taiyo Nippon Sanso Corp Hydrogen gas cooling device
US20080264080A1 (en) * 2007-04-24 2008-10-30 Hunter Manufacturing Co. Environmental control unit for harsh conditions
JP6064259B2 (en) * 2012-01-20 2017-01-25 パナソニックＩｐマネジメント株式会社 Refrigeration cycle equipment
WO2013145006A1 (en) 2012-03-29 2013-10-03 三菱電機株式会社 Air conditioning device
DE102012222620A1 (en) * 2012-12-10 2014-06-12 Bayerische Motoren Werke Aktiengesellschaft Gas cooling device for use in air conditioning apparatus of motor car, has extraction unit over which fluid emerges from device, and switching unit changing heat exchanger surface, over which fluid flows
WO2014117017A1 (en) 2013-01-25 2014-07-31 Trane International Inc. Capacity modulating an expansion device of a hvac system
CN105899907B (en) * 2014-02-17 2019-01-22 三菱日立电力系统株式会社 Heat exchanger
CN109539614B (en) * 2018-11-09 2019-10-18 珠海格力电器股份有限公司 A kind of air-conditioning system and its energy adjustment method
US11859918B2 (en) * 2020-04-28 2024-01-02 Hamilton Sundstrand Corporation Crossflow/counterflow subfreezing plate fin heat exchanger
US11512901B2 (en) * 2020-09-25 2022-11-29 Rheem Manufacturing Company Adjustable capacity heat exchanger

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4168030A (en) * 1976-10-22 1979-09-18 Timmerman Robert W Waste heat utilization system
US4209062A (en) * 1978-02-10 1980-06-24 Karmazin Products Corporation Heat exchanger construction
JPS6260870A (en) * 1985-09-10 1987-03-17 Nissin Electric Co Ltd Cracker cell
JPH01137174A (en) * 1987-11-20 1989-05-30 Showa Alum Corp Condenser
JP2852384B2 (en) * 1988-12-23 1999-02-03 株式会社リコー Lens control device
JP2875309B2 (en) * 1989-12-01 1999-03-31 株式会社日立製作所 Air conditioner, heat exchanger used in the device, and control method for the device
JP3201651B2 (en) * 1992-06-18 2001-08-27 株式会社タクマ Tube heat exchanger with temperature control device
JPH07127948A (en) * 1992-11-02 1995-05-19 Nippondenso Co Ltd Refrigerant condenser
DK0706633T3 (en) * 1993-07-03 1998-09-28 Honeywell Ag Plate heat exchanger with refrigerant distributor
US5443112A (en) * 1994-06-21 1995-08-22 Scheideman; Floyd P. Water flow and heat exchange control system and method between heat source and water reservoir
GB9812238D0 (en) * 1998-06-08 1998-08-05 Schack Engineering Gb Limited Heat exchanger
CN1407309A (en) * 2001-09-12 2003-04-02 曹毅文 Adjusting heat exchanger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10648715B2 (en) 2015-12-10 2020-05-12 Lg Electronics Inc. Outdoor heat exchanger and air conditioner comprising the same
CN111426103A (en) * 2020-02-28 2020-07-17 青岛海尔空调电子有限公司 Heat exchange device, air conditioner and control method of air conditioner

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KR100688168B1 (en) 2007-03-02
CN1789865A (en) 2006-06-21
CA2529867A1 (en) 2006-06-15
CN100371658C (en) 2008-02-27
US20060150667A1 (en) 2006-07-13
JP2006170608A (en) 2006-06-29

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