KR100420520B1 - Air-conditioner - Google Patents

Air-conditioner Download PDF

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Publication number
KR100420520B1
KR100420520B1 KR10-2001-0061460A KR20010061460A KR100420520B1 KR 100420520 B1 KR100420520 B1 KR 100420520B1 KR 20010061460 A KR20010061460 A KR 20010061460A KR 100420520 B1 KR100420520 B1 KR 100420520B1
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KR
South Korea
Prior art keywords
inverter compressor
air conditioner
outdoor unit
large air
noise
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Application number
KR10-2001-0061460A
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Korean (ko)
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KR20030028993A (en
Inventor
송진섭
최규상
Original Assignee
엘지전자 주식회사
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.)
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR10-2001-0061460A priority Critical patent/KR100420520B1/en
Priority to EP02022121A priority patent/EP1300635B1/en
Priority to DE60233626T priority patent/DE60233626D1/en
Priority to JP2002292054A priority patent/JP3723537B2/en
Priority to CNB021575118A priority patent/CN1211615C/en
Publication of KR20030028993A publication Critical patent/KR20030028993A/en
Application granted granted Critical
Publication of KR100420520B1 publication Critical patent/KR100420520B1/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
    • 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
    • F24F1/46—Component arrangements in separate outdoor units
    • F24F1/48—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow
    • F24F1/52—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with inlet and outlet arranged on the same side, e.g. for mounting in a wall opening
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • 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
    • F24F1/08—Compressors specially adapted for separate outdoor units
    • F24F1/12—Vibration or noise prevention thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
    • F04C29/06—Silencing
    • 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
    • F24F13/24—Means for preventing or suppressing noise
    • F24F2013/242—Sound-absorbing material

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Compressor (AREA)
  • Other Air-Conditioning Systems (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

본 발명은 정속형 압축기와 인버터 압축기가 내장되는 대형 공기조화기의 실외기에 관한 것으로서, 특히 인버터 압축기에서 발생되는 소음이 외부로 전달되는 것을 방지하기 위한 대형 공기조화기의 실외기용 소음저감구조에 관한 것이다.The present invention relates to an outdoor unit of a large air conditioner having a constant speed type compressor and an inverter compressor, and more particularly, to a noise reduction structure for an outdoor unit of a large air conditioner for preventing noise generated from an inverter compressor from being transmitted to the outside. will be.

본 발명에 따른 대형 공기조화기의 실외기용 소음저감구조는 변속 운전되는 인버터 압축기를 포함하는 공기조화기의 실외기에 있어서, 상기 인버터 압축기의 외측에는 상기 인버터 압축기에서 방사되는 소음이 외부로 전파되는 것을 방지하기 위하여 굴곡부가 형성된 차음부재가 상기 인버터 압축기를 감싸도록 설치되어 대형 공기조화기에 있어서 인버터 압축기로 인해 발생되는 소음을 저감하는 효과가 있다.Noise reduction structure for the outdoor unit of a large air conditioner according to the present invention is an outdoor unit of an air conditioner including an inverter compressor that is shifted operation, the outside of the inverter compressor that the noise radiated from the inverter compressor is propagated to the outside In order to prevent the sound insulating member having a bent portion is installed to surround the inverter compressor has the effect of reducing the noise generated by the inverter compressor in a large air conditioner.

Description

대형 공기조화기의 실외기용 소음저감구조 { Air-conditioner }Noise reduction structure for outdoor unit of large air conditioner {Air-conditioner}

본 발명은 컨버터 압축기와 인버터 압축기가 내장되는 대형 공기조화기의 실외기에 관한 것으로서, 특히 인버터 압축기에서 발생되는 소음이 외부로 전달되는 것을 방지하기 위한 대형 공기조화기의 실외기용 소음저감구조에 관한 것이다.The present invention relates to an outdoor unit of a large air conditioner in which a converter compressor and an inverter compressor are embedded, and more particularly, to a noise reduction structure for an outdoor unit of a large air conditioner for preventing noise generated from an inverter compressor from being transmitted to the outside. .

일반적으로 대형 공기조화기는 실내공기를 쾌적하게 유지하기 위한 장치로써, 실내측 송풍기 및 증발기가 포함되어 실내측에 설치되는 실내기와, 실외측 송풍기와 응축기 및 압축기가 포함되어 실외측에 설치되는 실내기로 구성된다.In general, a large air conditioner is a device for maintaining indoor air comfortably, including an indoor blower and an evaporator, and an indoor unit installed indoors, and an outdoor blower, a condenser and a compressor. It is composed.

도 1은 종래 기술에 따른 대형 공기조화기의 실외기의 일부가 도시된 사시도이다.1 is a perspective view showing a part of an outdoor unit of a large air conditioner according to the prior art.

종래의 대형 공기조화기의 실외기는 외곽을 형성하는 케이스(미도시)와, 냉방능력을 조절할 수 있도록 실내기(미도시)를 통과한 냉매를 압축시키는 압축부(2)와, 상기 케이스(미도시) 내측으로 실외공기를 강제 송풍시키는 실외측 송풍기(4)와, 상기 압축부(2)를 통과한 냉매를 상기 실외측 송풍기(4)에 의해 강제 송풍된 실외공기와 열교환시키는 응축기(6)를 포함하여 구성된다.The outdoor unit of a conventional large air conditioner includes a case (not shown) forming an outline, a compression unit 2 for compressing a refrigerant passing through an indoor unit (not shown) so as to adjust the cooling capacity, and the case (not shown). ) An outdoor blower (4) for forcibly blowing outdoor air into the inside, and a condenser (6) for exchanging the refrigerant passing through the compression unit (2) with the outdoor air forcedly blown by the outdoor blower (4). It is configured to include.

상기 압축부(2)는 정속 운전되는 정속형 압축기(2a)와, 변속 운전되는 인버터 압축기(2b)로 구성되어 주파수 변화에 따라 회전수가 변화하면서 냉동사이클을 순환하는 냉매의 유량을 조절함으로 냉방능력을 가변시킬 수 있다.The compression unit (2) is composed of a constant speed compressor (2a) for constant speed operation, and an inverter compressor (2b) for variable speed operation, the cooling capacity by adjusting the flow rate of the refrigerant circulating the refrigeration cycle while the rotation speed changes according to the frequency change Can be changed.

좀더 자세히 설명하면, 상기 인버터 압축기(2b)는 공기조화기가 작동됨과 동시에 냉방능력에 따라 변속되며 계속 운전하고, 여기에 더 큰 냉방능력이 요구되면 상기 정속형 압축기(2a)가 운전된다.In more detail, the inverter compressor 2b is operated at the same time as the air conditioner is operated and is continuously shifted according to the cooling capacity, and when the larger cooling capacity is required, the constant speed compressor 2a is operated.

여기서, 상기 인버터 압축기(2b)는 입력 주파수가 커질수록 회전수가 증가하여 유,출입되는 냉매량이 늘어나게 되어 냉방능력을 효율적으로 조절할 수 있다.In this case, the inverter compressor (2b) is increased as the input frequency increases, the amount of refrigerant flowing in and out increases, it is possible to efficiently control the cooling capacity.

상기와 같이 구성된 종래 기술의 동작을 살펴보면 다음과 같다.Looking at the operation of the prior art configured as described above are as follows.

전원이 인가되어 비교적 낮은 냉방능력을 요구하는 신호가 인버터 압축기(2b)에 입력되면, 상기 인버터 압축기(2b)는 저속 운전하여 냉동 사이클을 순환하는 냉매유량을 줄이게 된다.When power is applied and a signal requiring a relatively low cooling capability is input to the inverter compressor 2b, the inverter compressor 2b operates at a low speed to reduce the refrigerant flow rate circulating in the refrigeration cycle.

하지만, 좀더 큰 냉방능력을 요구하는 신호가 상기 인버터 압축기(2b)에 입력되면, 상기 인버터 압축기(2b)는 운전속도가 빨라지게 되어 냉동사이클을 순환하는 냉매유량을 좀더 늘리게 된다.However, when a signal requesting a larger cooling capacity is input to the inverter compressor 2b, the inverter compressor 2b increases the operating speed, thereby further increasing the refrigerant flow rate circulating the refrigeration cycle.

여기서, 더 큰 냉방능력을 요구하는 신호가 상기 인버터 압축기(2b)에 입력되어 상기 인버터 압축기(2b)에 과부하가 걸리게 되면, 상기 인버터 압축기(2b)와 정속형 압축기(2a)가 같이 운전되면서 냉동사이클을 순환하는 냉매유량을 더 많이 늘리게 된다.Here, when a signal requesting a larger cooling capacity is input to the inverter compressor 2b and overloads the inverter compressor 2b, the inverter compressor 2b and the constant speed compressor 2a are operated together to freeze. This will increase the refrigerant flow rate through the cycle even more.

그러나, 상기와 같이 구성되어 작동되는 종래 기술에 따른 대형 공기조화기의 실외기에 설치되는 인버터 압축기(2b)는 입력 주파수의 변화에 따라 회전수가 변하기 때문에 소음이 발생하게 된다.However, the inverter compressor 2b installed in the outdoor unit of the large air conditioner according to the related art, which is configured and operated as described above, generates noise because the rotation speed changes according to the change of the input frequency.

그런데, 종래 기술에 따른 대형 공기조화기의 실외기에 설치되는 인버터 압축기는 냉장고에 설치되는 인버터 압축기와 같이 기계실과 같은 별도의 공간에 설치되는 것이 아니라, 상기 케이스(미도시)의 내부 일측에 설치되기 때문에 인버터 압축기(2b)의 소음은 외부로 전달되는 문제점이 있다.However, the inverter compressor installed in the outdoor unit of a large air conditioner according to the prior art is not installed in a separate space such as a machine room, such as an inverter compressor installed in a refrigerator, but installed in one side of the case (not shown). Therefore, the noise of the inverter compressor 2b has a problem that is transmitted to the outside.

본 발명은 상기한 종래 기술의 문제점을 해결하기 위하여 안출된 것으로서, 인버터 압축기가 내장된 대형 공기조화기의 실외기에서 인버터 압축기로 인하여 발생되는 소음이 케이스를 통하여 외부로 전달되는 것을 방지하기 위한 대형 공기조화기의 실외기용 소음저감구조를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems of the prior art, a large air for preventing the noise generated by the inverter compressor in the outdoor unit of the large air conditioner with an inverter compressor is transmitted to the outside through the case. It is an object of the present invention to provide a noise reduction structure for an outdoor unit of a harmonic.

도 1은 종래 기술에 따른 대형 공기조화기의 실외기의 일부가 도시된 사시도,1 is a perspective view showing a part of an outdoor unit of a large air conditioner according to the prior art,

도 2는 본 발명에 따른 대형 공기조화기의 실외기용 소음저감구조가 도시된 도면,2 is a view showing a noise reduction structure for an outdoor unit of a large air conditioner according to the present invention;

도 3은 본 발명에 따른 또 다른 대형 공기조화기의 실외기용 소음저감구조가 도시된 도면이다.3 is a view showing a noise reduction structure for an outdoor unit of another large air conditioner according to the present invention.

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

52a : 정속형 압축기 52b : 인버터 압축기52a: constant speed compressor 52b: inverter compressor

54 : 송풍팬 56 : 응축기54 blower fan 56 condenser

60 : 케이스 62, 64 : 굴곡부60: case 62, 64: bend

64a : 통풍구64a: vent

상기한 과제를 해결하기 위한 본 발명에 따른 대형 공기조화기의 실외기용 소음저감구조는 변속 운전되는 인버터 압축기를 포함하는 대형 공기조화기의 실외기에 있어서, 상기 인버터 압축기의 외측에는 상기 인버터 압축기에서 방사되는 소음이 외부로 전파되는 것을 방지하기 위하여 굴곡부가 형성된 차음부재로 된 케이스가 상기 인버터 압축기를 감싸도록 설치된다.Noise reduction structure for the outdoor unit of the large air conditioner according to the present invention for solving the above problems in the outdoor unit of a large air conditioner including a variable speed drive inverter, the outside of the inverter compressor radiates from the inverter compressor In order to prevent the noise from being propagated to the outside, a case of a sound insulating member having a bent portion is installed to surround the inverter compressor.

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 2는 본 발명에 따른 대형 공기조화기의 실외기용 소음저감구조가 도시된 도면, 도 3은 본 발명에 따른 또 다른 대형 공기조화기의 실외기용 소음저감구조가 도시된 도면이다.2 is a view showing a noise reduction structure for an outdoor unit of a large air conditioner according to the present invention, Figure 3 is a view showing a noise reduction structure for an outdoor unit of another large air conditioner according to the present invention.

상기 본 발명에 따른 대형 공기조화기의 실외기용 소음저감구조는 도 2와 도 3에 도시된 바와 같이 토출구와 흡입구가 형성되고 외곽을 형성하는 케이스(60) 내부에는 실내기를 통과한 냉매를 고온고압으로 압축시킴으로 냉방능력에 따라 냉동사이클을 순환하는 냉매유량을 조절하도록 정속 운전되는 정속형 압축기(52a)와, 변속 운전되는 인버터 압축기(52b)가 설치되고, 상기 인버터 압축기(52b)의 외측에는 상기 인버터 압축기(52b)로부터 방사되는 소음이 외부로 전파되는 것을 방지하기 위하여 굴곡부(62,64)가 형성된 케이스(60)가 상기 인버터 압축기(52b)를 감싸도록 설치되고, 상기 굴곡부(62,64)는 외측방향을 향하여 단면이 원호 형상으로 돌출되게 형성된다.The noise reduction structure for the outdoor unit of the large air conditioner according to the present invention is a high temperature and high pressure refrigerant passing through the indoor unit in the case 60, the discharge port and the suction port is formed and forms the outer as shown in Figs. The constant speed type compressor 52a for constant speed operation and the inverter compressor 52b for variable speed operation are installed to regulate the refrigerant flow rate circulating the refrigeration cycle according to the cooling capacity. In order to prevent the noise emitted from the inverter compressor 52b from propagating to the outside, a case 60 having the bent portions 62 and 64 is installed to surround the inverter compressor 52b, and the bent portions 62 and 64. The cross section is formed to protrude in an arc shape toward the outside direction.

또한, 상기 케이스(60)의 내부에는 실외공기를 강제 송풍시켜 실외측 송풍기(54)와, 상기 압축기(52)를 통과한 고온고압의 기체냉매를 상기 실외측 송풍기(54)에 의해 송풍된 실외공기와 열교환시키는 응축기(56)가 설치된다.In addition, the case 60 is forced to blow outdoor air to blow the outdoor air blower 54 and the high-temperature, high-pressure gas refrigerant passed through the compressor 52 by the outdoor air blower (54). A condenser 56 is installed to exchange heat with air.

여기서, 상기 인버터 압축기(52b)는 입력 주파수에 따라 회전수가 변하기 때문에 소음이 발생되고, 상기 인버터 압축기(52b)로부터 발생되는 소음은 일종의 음파 형태인 것으로 상기 케이스(60)의 일측에 형성된 굴곡부(62,64)내에 입사되어 상기 굴곡부(62,64)내에서 계속적으로 반사되면서 소음이 감쇄된다.Here, the inverter compressor (52b) is the noise is generated because the rotation speed changes according to the input frequency, the noise generated from the inverter compressor (52b) is a kind of sound wave form bent portion 62 formed on one side of the case 60 Is incident on the 64 and continuously reflected in the bends 62 and 64, and the noise is attenuated.

상기 케이스(60)의 내측면에는 상기 인버터 압축기(52b)로부터 발생되는 소음을 흡수하여 외부로 전달되지 못하도록 흡음재(미도시)가 도포되어 소음 방지 효과를 높이기도 한다.The inner surface of the case 60 is a sound absorbing material (not shown) is applied to absorb the noise generated from the inverter compressor (52b) so that it is not transmitted to the outside to enhance the noise prevention effect.

상기 케이스(60)에 형성된 굴곡부(62)는 도 2에서 보는 바와 실험을 통하여 상기 인버터 압축기(52b)의 소음 발생 특성을 조사하여 특히 소음이 많이 발생되는 방향에 위치된 케이스(60)의 일측면에 상하 일정간격을 두고 단면이 반원 형상으로 돌출되게 형성된다.The curved portion 62 formed on the case 60 is one side surface of the case 60 located in a direction in which a lot of noise is generated, by examining the noise generation characteristics of the inverter compressor 52b through experiments as shown in FIG. 2. The cross section is formed to protrude in a semicircular shape at regular intervals up and down.

또는, 상기 케이스(60)에 형성된 또 다른 형태의 굴곡부(64)는 도 3에서 보는 바와 같이 상기 인버터 압축기(52b)로부터 소음이 많이 발생되는 방향에 위치된 케이스(60)의 일측면에 상하 일정간격을 두고 외측방향을 향하여 단면이 1/4원의 호 형상으로 돌출되게 형성된다.Alternatively, the bent portion 64 of another form formed in the case 60 is fixed up and down on one side of the case 60 located in a direction in which a lot of noise is generated from the inverter compressor 52b as shown in FIG. 3. A cross section is formed to protrude in an arc shape of a quarter circle toward the outer direction at intervals.

여기서, 상기 굴곡부(64)에는 하단부분에 통풍구(64a)가 형성되어 상기 인버터 압축기(52b)로부터 발생되는 열을 방열시킨다.Here, the bent portion 64 is formed with a vent hole (64a) in the lower portion to dissipate heat generated from the inverter compressor (52b).

또는, 상기 인버터 압축기(52b)에서 발생되는 열이 많을 경우에는 상기 케이스(60)의 상면을 개방시키고, 상기 인버터 압축기(52b)의 상면에 송풍팬(54)이 설치되도록 하여 상기 인버터 압축기(52b)에서 발생되는 열을 방열시킬 수도 있다.Alternatively, when there is a lot of heat generated by the inverter compressor 52b, the upper surface of the case 60 is opened, and the blower fan 54 is installed on the upper surface of the inverter compressor 52b so that the inverter compressor 52b. It can also dissipate the heat generated by).

상기와 같이 구성된 본 발명의 동작을 살펴보면 다음과 같다.Looking at the operation of the present invention configured as described above are as follows.

전원이 인가되면 인버터 압축기(52b)가 작동되고, 냉방능력에 따라 회전수가 변하게 되면서 냉동사이클을 순환하는 냉매유량을 조절하기 때문에 인버터 압축기에서는 소음이 발생하게 된다.When the power is applied, the inverter compressor 52b is operated and noise is generated in the inverter compressor because the rotation speed is changed according to the cooling capacity to regulate the refrigerant flow rate circulating in the refrigeration cycle.

여기서, 상기 인버터 압축기(52b)로부터 발생되는 소음은 먼저 상기 인버터 압축기(52b)를 감싸고 있는 케이스(60)에 의해 외부로 전달되지 못할 뿐 아니라 상기 케이스(60)에 형성된 굴곡부(62,64)에 수직으로 입사되지 않고 비스듬하게 입사되기 때문에 다시 상기 케이스(60) 내부로 반사되면서 흡음된다.Here, the noise generated from the inverter compressor 52b is not only transmitted to the outside by the case 60 surrounding the inverter compressor 52b but also to the bent portions 62 and 64 formed in the case 60. Since the light is incident at an angle without being vertically incident, the sound is absorbed while being reflected back into the case 60.

또한, 상기 인버터 압축기(52b)에서 발생되는 열은 상기 케이스(60) 일측의 굴곡부(64)에 형성된 통풍구(64a)를 통하여 방열되거나, 상기 케이스(60)의 상면에 송풍팬(64)이 작동되어 방열된다.In addition, the heat generated by the inverter compressor (52b) is radiated through the vent (64a) formed in the bent portion 64 on one side of the case 60, or the blower fan 64 is operated on the upper surface of the case 60 Heat dissipation.

상기와 같이 구성되는 본 발명에 따른 대형 공기조화기의 소음저감구조는 인버터 압축기로부터 발생되는 소음이 외부로 전파되지 못하도록 굴곡부가 형성된 케이스를 인버터 압축기의 외측을 감싸도록 설치되기 때문에 인버터 압축기로부터 발생되는 소음은 외부로 전달되지 못하고 상기 굴곡부내에서 계속적으로 반사되면서 감쇄되어 외부로 소음이 전달되는 것을 방지할 수 있는 이점이 있다.The noise reduction structure of the large air conditioner according to the present invention configured as described above is generated from the inverter compressor because the casing is formed to surround the outside of the inverter compressor so that the noise generated from the inverter compressor does not propagate to the outside. The noise is not transmitted to the outside and is attenuated by being continuously reflected in the curved portion, thereby preventing the noise from being transmitted to the outside.

Claims (5)

변속 운전되는 인버터 압축기의 외측에 상기 인버터 압축기에서 방사되는 소음이 외부로 전파되는 것을 방지하기 위하여 일측에 굴곡부가 형성된 케이스가 상기 인버터 압축기를 감싸도록 설치된 대형 공기조화기의 실외기용 소음저감구조에 있어서,In the noise reduction structure for the outdoor unit of a large air conditioner installed to surround the inverter compressor a case having a bent portion on one side to prevent the noise radiated from the inverter compressor to the outside of the inverter compressor to be shifted operation to the outside , 상기 굴곡부는 상기 인버터 압축기에서 소음이 방사되는 방향에 위치된 케이스의 일측면에 상하 일정간격을 두고 외측방향을 향하여 단면이 원호 형상으로 돌출되게 형성된 것을 특징으로 하는 대형 공기조화기의 실외기용 소음저감구조.The bent portion noise reduction for outdoor unit of the large air conditioner, characterized in that the cross section is projected in an arc shape toward the outside direction at regular intervals up and down on one side of the case located in the direction in which noise is radiated from the inverter compressor rescue. 제 1 항에 있어서,The method of claim 1, 상기 케이스는 내측면에 흡음재가 도포된 것을 특징으로 하는 대형 공기조화기의 실외기용 소음저감구조.The case is a noise reduction structure for an outdoor unit of a large air conditioner, characterized in that the sound absorbing material is coated on the inner surface. 제 1 항에 있어서,The method of claim 1, 상기 굴곡부는 단면이 반원의 호 형상으로 형성된 것을 특징으로 하는 대형 공기조화기의 실외기용 소음저감구조.The curved portion is a noise reduction structure for an outdoor unit of a large air conditioner, characterized in that the cross section is formed in an arc shape of a semicircle. 제 1 항에 있어서,The method of claim 1, 상기 굴곡부는 단면이 1/4원의 호 형상으로 형성된 것을 특징으로 하는 대형 공기조화기의 실외기용 소음저감구조.The curved portion is a noise reduction structure for an outdoor unit of a large air conditioner, characterized in that the cross section is formed in an arc shape of 1/4 circle. 제 4 항에 있어서,The method of claim 4, wherein 상기 굴곡부는 상기 인버터 압축기로부터 발생되는 열을 방열할 수 있도록 1/4원 형상의 하단부분에 통풍구가 형성된 것을 특징으로 하는 대형 공기조화기의 실외기용 소음저감구조.The bent portion is a noise reduction structure for an outdoor unit of a large air conditioner, characterized in that the vent is formed in the lower portion of the quarter-circle to radiate heat generated from the inverter compressor.
KR10-2001-0061460A 2001-10-05 2001-10-05 Air-conditioner KR100420520B1 (en)

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KR10-2001-0061460A KR100420520B1 (en) 2001-10-05 2001-10-05 Air-conditioner
EP02022121A EP1300635B1 (en) 2001-10-05 2002-10-02 Noise reduction structure of outdoor unit of large-sized air conditioner
DE60233626T DE60233626D1 (en) 2001-10-05 2002-10-02 Noise-damping device for the outdoor unit of a large air conditioning system
JP2002292054A JP3723537B2 (en) 2001-10-05 2002-10-04 Noise reduction structure for outdoor unit of large air conditioner
CNB021575118A CN1211615C (en) 2001-10-05 2002-10-05 Noise reducing structure for outdoor unit of large air conditioner

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JP3723537B2 (en) 2005-12-07
EP1300635A3 (en) 2006-11-02

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