KR20000065578A - Orifice having a noise absorbing material of air conditioner - Google Patents

Orifice having a noise absorbing material of air conditioner Download PDF

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Publication number
KR20000065578A
KR20000065578A KR1019990011997A KR19990011997A KR20000065578A KR 20000065578 A KR20000065578 A KR 20000065578A KR 1019990011997 A KR1019990011997 A KR 1019990011997A KR 19990011997 A KR19990011997 A KR 19990011997A KR 20000065578 A KR20000065578 A KR 20000065578A
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South Korea
Prior art keywords
air conditioner
orifice
axial fan
sound absorbing
shroud
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KR1019990011997A
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Korean (ko)
Inventor
황용희
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전주범
대우전자 주식회사
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Priority to KR1019990011997A priority Critical patent/KR20000065578A/en
Publication of KR20000065578A publication Critical patent/KR20000065578A/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
    • F24F13/24—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
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/028—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by air supply means, e.g. fan casings, internal dampers or ducts
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/02—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect
    • F25B9/04—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using Joule-Thompson effect; using vortex effect using vortex effect
    • 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)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE: A sound absorbing orifice for air conditioner is provided to reduce noise caused by a rotation of an axial fan. CONSTITUTION: A sound absorbing orifice(200) comprises a circular shroud(210) arranged to surround a trailing edge(212) of an axial fan(211) of an air conditioner, an orifice main body extended from the shroud toward a compressor of an air conditioner, and a sound absorbing material(230) arranged along an inner surface of the shroud in such a manner as to absorb noise caused by a vortex from the trailing edge upon the rotation of the axial fan.

Description

에어컨디셔너의 흡음 오리피스 {ORIFICE HAVING A NOISE ABSORBING MATERIAL OF AIR CONDITIONER}Sound absorption orifice of air conditioner {ORIFICE HAVING A NOISE ABSORBING MATERIAL OF AIR CONDITIONER}

본 발명은 에어컨디셔너의 응축기용 오리피스에 관한 것으로, 더욱 상세하게는 오리피스의 쉬라우드에 흠음재를 제공하여 축류팬의 회전시 발생되는 유동 소음을 저감시킬 수 있는 흡음 오리피스에 관한 것이다.The present invention relates to an orifice for condenser of an air conditioner, and more particularly, to a sound absorbing orifice capable of providing a flaw material in the shroud of the orifice to reduce the flow noise generated when the axial fan rotates.

일반적으로, 에어컨디셔너는 가정이나 사무실 내의 공기를 조화시키므로써 인체에 적합한 온도와 습도를 유지시키기 위한 장치이다. 상기 에어컨디셔너는, 여름철에는 실내 온도는 대략 28。C, 실내 습도는 대략 60% 내지 75%가 되도록 가동되고, 겨울철에는 실내 온도는 대략 18。C, 실내 습도는 대략 55% 내지 70%이 되도록 가동된다.In general, an air conditioner is a device for maintaining a temperature and humidity suitable for the human body by conditioning air in a home or office. The air conditioner is operated so that the indoor temperature is approximately 28 ° C., the indoor humidity is approximately 60% to 75% in summer, and the indoor temperature is approximately 18 ° C., and the indoor humidity is approximately 55% to 70% in winter. do.

상기 에어컨디셔너에 있어서, 도 1에 도시된 바와 같이, 모든 구성 요소들은 한 유닛(100)으로 결합된다. 상기 에어컨 유닛(100) 내에는, 증발기(4) 및 냉각된 공기를 실내로 송풍하기 위한 배기 그릴부(exhaust grill portion; 13)가 실내를 향해 설치되고, 응축기부(condenser part)는 실외로 연장되어 실외 공기에 의해 냉각된다.In the air conditioner, as shown in FIG. 1, all the components are combined into one unit 100. In the air conditioner unit 100, an exhaust grill portion 13 for blowing the evaporator 4 and the cooled air into the interior is installed toward the interior, and the condenser part extends outdoors. And cooled by outdoor air.

냉매의 흐름을 기준으로 좀 더 상세히 설명하면, 에어컨디셔너(100)는 냉각 사이클을 수행하기 위해, 냉매 가스를 고온 고압으로 압축시키기 위한 압축기(1), 압축기(1)로부터의 상기 고온 고압의 냉매 가스를 열방출을 통해 점진적으로 액상으로 응축시키기 위한 응축기(2), 응축기(2)로부터의 상기 액상 냉매의 압력을 강하시켜 저온의 기-액 혼합 냉매를 형성시키는 팽창 밸브(3), 및 상기 저온의 기-액 혼합 냉매를 증발시켜 주위 열을 흡수하도록 하고 상기 증발된 냉매를 다시 압축기(1)로 보내는 증발기(4)를 구비한다.In more detail based on the flow of the refrigerant, the air conditioner 100 is a compressor (1) for compressing the refrigerant gas to high temperature and high pressure to perform a cooling cycle, the high temperature and high pressure refrigerant gas from the compressor (1) Condenser 2 for gradually condensing into a liquid phase through heat dissipation, expansion valve 3 for lowering the pressure of the liquid refrigerant from the condenser 2 to form a low temperature gas-liquid mixed refrigerant, and the low temperature. It is provided with an evaporator (4) to evaporate the gas-liquid mixed refrigerant to absorb the ambient heat and to send the evaporated refrigerant back to the compressor (1).

도 2에 도시된 바와 같이, 종래 에어컨디셔너(100)의 경우, 구동 모터(9)의 회전축 일측(9b)에 축류팬(11)이 커플링되어 구동 모터(9)의 구동시 회전된다. 축류팬(11)의 회전에 의해 실외 공기가 강제 흡입되며, 상기 흡입된 공기는 축류팬(11)의 전방에 위치한 응축기(2)를 통과하여 응축기(2) 내부의 냉매와 열교환된 후 다시 실외로 배출된다.As shown in FIG. 2, in the conventional air conditioner 100, an axial fan 11 is coupled to one side 9b of the rotating shaft of the driving motor 9 to rotate when the driving motor 9 is driven. The outdoor air is forcibly sucked by the rotation of the axial fan 11, and the sucked air passes through the condenser 2 located in front of the axial fan 11 to exchange heat with the refrigerant inside the condenser 2, and then again the outdoor air. To be discharged.

축류팬(11)이 회전되는 동안, 그 트레일링 엣지(trailing edge) 부위에서는 급격한 압력 변화에 의해 유동이 박리되면서 보텍스(vortex)가 발생한다. 보텍스(vortex)에 의해 유동 소음이 커지게 되며, 이는 결국 사용자에게 불쾌감을 주게 된다.While the axial fan 11 is rotated, a vortex is generated while the flow is peeled off due to a sudden pressure change at the trailing edge. The vortex increases the flow noise, which in turn is offensive to the user.

본 발명은 상술한 문제점을 해결하기 위하여 안출된 것으로, 본 발명의 목적은 오리피스의 쉬라우드 내면을 따라 흡음재를 부착시켜 축류팬이 회전에 의해 발생되는 보텍스에 의한 소음을 저감시킬 수 있는 에어컨디셔너의 흡음 오리피스를 제공하는 데 그 목적이 있다.The present invention has been made to solve the above problems, an object of the present invention is to attach a sound absorbing material along the inner surface of the shroud of the orifice sound absorption of the air conditioner that can reduce the noise caused by the vortex generated by the rotation of the axial fan The purpose is to provide an orifice.

상기 목적을 달성하기 위해, 본 발명은 응축기를 냉각시키기 위한 축류팬(axial fan)을 포함하는 에어컨디셔너의 흡음 오리피스에 있어서, 상기 축류팬의 트레일링 엣지(trailing edge)를 둘러싸도록 형성되는 환형 쉬라우드(shroud), 상기 쉬라우드로부터 상기 응축기 방향으로 연장하는 오리피스 몸체, 및 상기 쉬라우드 내면을 따라 제공되어 상기 축류팬의 회전시 상기 트레일링 엣지로부터 발생되는 보텍스(vortex)에 의한 소음을 흡수하는 흡음재를 구비하는 것을 특징으로 하는 에어컨디셔너의 흡음 오리피스를 제공한다.In order to achieve the above object, the present invention provides an annular shroud formed in a sound absorbing orifice of an air conditioner including an axial fan for cooling the condenser, so as to surround the trailing edge of the axial fan. (shroud), an orifice body extending from the shroud in the direction of the condenser, and a sound absorbing material provided along the shroud inner surface to absorb noise by vortex generated from the trailing edge when the axial fan rotates. It provides a sound absorbing orifice of the air conditioner comprising a.

바람직하게는, 상기 흡음재는 재생 폴리머 또는 유리면으로 제작된다.Preferably, the sound absorbing material is made of recycled polymer or glass surface.

도 1은 일반적인 창문형 에어컨디셔너의 분해 사시도.1 is an exploded perspective view of a typical window air conditioner.

도 2는 종래 에어컨디셔너의 응축기용 오리피스의 단면도.2 is a cross-sectional view of an orifice for a condenser of a conventional air conditioner.

도 3은 본 발명에 따른 에어컨디셔너의 응축기용 오리피스의 단면도.3 is a cross-sectional view of an orifice for a condenser of an air conditioner according to the present invention.

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

200 : 흡음 오리피스 211 : 축류팬200: sound absorption orifice 211: axial flow fan

212 : 트레일링 엣지 230 : 흡음재212: trailing edge 230: sound absorbing material

이하, 도 3을 참조하여 본 발명의 실시예를 상세히 설명하기로 한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to FIG. 3.

일반적으로, 에어컨디셔너는 가정이나 사무실 내의 공기를 조화시키므로써 인체에 적합한 온도와 습도를 유지시키기 위한 장치이다. 상기 에어컨디셔너는, 여름철에는 실내 온도는 대략 28。C, 실내 습도는 대략 60% 내지 75%가 되도록 가동되고, 겨울철에는 실내 온도는 대략 18。C, 실내 습도는 대략 55% 내지 70%이 되도록 가동된다.In general, an air conditioner is a device for maintaining a temperature and humidity suitable for the human body by conditioning air in a home or office. The air conditioner is operated so that the indoor temperature is approximately 28 ° C., the indoor humidity is approximately 60% to 75% in summer, and the indoor temperature is approximately 18 ° C., and the indoor humidity is approximately 55% to 70% in winter. do.

냉매의 흐름을 기준으로 좀 더 상세히 설명하면, 도 1을 다시 참조하면, 에어컨디셔너는 냉각 사이클을 수행하기 위해, 냉매 가스를 고온 고압으로 압축시키기 위한 압축기(1), 압축기(1)로부터의 상기 고온 고압의 냉매 가스를 열방출을 통해 점진적으로 액상으로 응축시키기 위한 응축기(2), 응축기(2)로부터의 상기 액상 냉매의 압력을 강하시켜 저온의 기-액 혼합 냉매를 형성시키는 팽창 밸브(3), 및 상기 저온의 기-액 혼합 냉매를 증발시켜 주위 열을 흡수하도록 하고 상기 증발된 냉매를 다시 압축기(1)로 보내는 증발기(4)를 구비한다.In more detail based on the flow of the refrigerant, referring again to FIG. 1, the air conditioner is a compressor 1 for compressing a refrigerant gas to a high temperature and a high pressure to perform a cooling cycle, the high temperature from the compressor 1. A condenser 2 for gradually condensing the high pressure refrigerant gas into the liquid phase through heat dissipation, and an expansion valve 3 for lowering the pressure of the liquid refrigerant from the condenser 2 to form a low temperature gas-liquid mixed refrigerant And an evaporator 4 which evaporates the low temperature gas-liquid mixed refrigerant to absorb ambient heat and sends the evaporated refrigerant back to the compressor 1.

도 3을 참조하면, 구동 모터(209)의 회전축 일측(209b)에 축류팬(211)이 커플링되어 구동 모터(209)의 구동시 회전된다. 축류팬(211)의 회전에 의해 실외 공기가 강제 흡입되며, 상기 흡입된 공기는 축류팬(211)의 전방에 위치한 응축기(202)를 통과하여 응축기(202) 내부의 냉매와 열교환된 후 다시 실외로 배출된다.Referring to FIG. 3, an axial fan 211 is coupled to one side 209b of the rotating shaft of the driving motor 209 to rotate when the driving motor 209 is driven. The outdoor air is forcibly sucked by the rotation of the axial fan 211, and the sucked air passes through the condenser 202 located in front of the axial fan 211 to exchange heat with the refrigerant inside the condenser 202, and then again the outdoor air. To be discharged.

본 발명에 따른 흡음 오리피스(200)는 축류팬(211)의 팁부를 둘러싸도록 형성되는 환형 쉬라우드(SHROUD; 210), 쉬라우드(210)로부터 응축기(202) 방향으로 연장하는 오리피스 몸체(220)를 포함한다. 본 발명의 바람직한 실시예에 따르면, 쉬라우드(210) 내면을 따라 흡음재(230)가 제공된다. 흡음재(230)는 축류팬(211)의 회전시 트레일링 엣지(212)로부터 발생되는 보텍스(vortex)에 의한 소음을 흡수하는 역할을 한다.Sound absorbing orifice 200 according to the present invention is an annular shroud (SHROUD) 210 formed to surround the tip of the axial fan 211, the orifice body 220 extending from the shroud 210 toward the condenser 202 It includes. According to a preferred embodiment of the present invention, the sound absorbing material 230 is provided along the inner surface of the shroud 210. Sound absorbing material 230 serves to absorb the noise caused by the vortex (vortex) generated from the trailing edge 212 during the rotation of the axial fan (211).

바람직하게는, 흡음재(230)는 재생 폴리머 또는 유리면으로 제작된다.Preferably, the sound absorbing material 230 is made of recycled polymer or glass surface.

상술한 바와 같이, 축류팬의 팁부와 그를 둘러싸는 오리피스의 쉬라우드 사이에 흡음재를 제공함으로써, 상기 축류팬의 회전시 트레일링 엣지에서의 보텍스에 의한 소음을 저감시킬 수 있다.As described above, by providing a sound absorbing material between the tip of the axial fan and the shroud of the orifice surrounding the axial fan, the noise caused by the vortex at the trailing edge during rotation of the axial fan can be reduced.

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 (2)

응축기를 냉각시키기 위한 축류팬(axial fan)을 포함하는 에어컨디셔너의 흡음 오리피스에 있어서,A sound absorbing orifice of an air conditioner including an axial fan for cooling a condenser, 상기 축류팬의 트레일링 엣지(trailing edge)를 둘러싸도록 형성되는 환형 쉬라우드(shroud);An annular shroud formed to surround the trailing edge of the axial fan; 상기 쉬라우드로부터 상기 응축기 방향으로 연장하는 오리피스 몸체; 및An orifice body extending from the shroud in the condenser direction; And 상기 쉬라우드 내면을 따라 제공되어 상기 축류팬의 회전시 상기 트레일링 엣지로부터 발생되는 보텍스(vortex)에 의한 소음을 흡수하는 흡음재를 구비하는 것을 특징으로 하는 에어컨디셔너의 흡음 오리피스.And a sound absorbing material provided along the inner surface of the shroud to absorb noise caused by the vortex generated from the trailing edge when the axial fan is rotated. 제1항에 있어서, 상기 흡음재는 재생 폴리머 또는 유리면인 것을 특징으로 하는 에어컨디셔너의 흡음 오리피스.The sound absorbing orifice of an air conditioner according to claim 1, wherein the sound absorbing material is a recycled polymer or a glass surface.
KR1019990011997A 1999-04-07 1999-04-07 Orifice having a noise absorbing material of air conditioner KR20000065578A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101419942B1 (en) * 2008-01-02 2014-07-16 엘지전자 주식회사 Air conditioner

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852922A (en) * 1981-09-24 1983-03-29 Matsushita Electric Ind Co Ltd Water dispersing device of air conditioner
KR970018902U (en) * 1995-10-05 1997-05-26 삼성전자주식회사 Discharge device for outdoor units for air conditioners
KR20000042324A (en) * 1998-12-24 2000-07-15 전주범 Scroll of window type air conditioner embedding sound absorber

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5852922A (en) * 1981-09-24 1983-03-29 Matsushita Electric Ind Co Ltd Water dispersing device of air conditioner
KR970018902U (en) * 1995-10-05 1997-05-26 삼성전자주식회사 Discharge device for outdoor units for air conditioners
KR20000042324A (en) * 1998-12-24 2000-07-15 전주범 Scroll of window type air conditioner embedding sound absorber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101419942B1 (en) * 2008-01-02 2014-07-16 엘지전자 주식회사 Air conditioner

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