KR20170048308A - 송풍장치 및 이를 포함하는 공기조화기의 실외기 - Google Patents
송풍장치 및 이를 포함하는 공기조화기의 실외기 Download PDFInfo
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- KR20170048308A KR20170048308A KR1020170053670A KR20170053670A KR20170048308A KR 20170048308 A KR20170048308 A KR 20170048308A KR 1020170053670 A KR1020170053670 A KR 1020170053670A KR 20170053670 A KR20170053670 A KR 20170053670A KR 20170048308 A KR20170048308 A KR 20170048308A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/522—Casings; Connections of working fluid for axial pumps especially adapted for elastic fluid pumps
- F04D29/526—Details of the casing section radially opposing blade tips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
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- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
- F04D29/544—Blade shapes
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- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/545—Ducts
- F04D29/547—Ducts having a special shape in order to influence fluid flow
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- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/5826—Cooling at least part of the working fluid in a heat exchanger
- F04D29/5833—Cooling at least part of the working fluid in a heat exchanger flow schemes and regulation thereto
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- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
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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
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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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
- F24F1/40—Vibration or noise prevention at outdoor units
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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
- F24F1/50—Component arrangements in separate outdoor units characterised by air airflow, e.g. inlet or outlet airflow with outlet air in upward direction
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
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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
- F24F13/20—Casings or covers
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- 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
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- 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
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
- F25D17/067—Evaporator fan units
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- 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
- F24F13/20—Casings or covers
- F24F2013/202—Mounting a compressor unit therein
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- 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
- F25B39/02—Evaporators
- F25B39/028—Evaporators having distributing means
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Abstract
프로펠러 팬의 외주단에 대하여 소정거리 반경 방향으로 이간하여 배치되는 벨마우스부와 상기 벨마우스부의 하류 측에 설치되고 상기 벨마우스부 하류 단부에서의 유로 면적의 확대율보다 큰 확대율로 상류 측에서 하류 측으로 유로 면적이 확대되는 디퓨저부와 복수의 정익을 구비하는 스테이터부를 구비하여 상기 스테이터부를 상기 디퓨저부 내에 배치한다.
Description
도2는 제1 실시형태에 의한 송풍장치 및 공기조화장치용 실외기를 나타내는 측면 방향에서 본 내부 모식도 및 평면 방향에서 본 내부 모식도.
도3은 제1 실시형태에 의한 송풍장치를 나타낸 모식적 평면도 및 모식적 정면도.
도4는 제1 실시형태에 의한 송풍장치의 변형예를 나타낸 모식적 평면도.
도5는 제1 실시형태에 의한 송풍장치의 변형예를 나타낸 모식적 정면도.
도6은 본 발명의 제2 실시형태에 의한 송풍장치를 나타낸 모식도.
도7은 제2 실시형태의 송풍장치의 모식적 상면도.
도8은 제2 실시형태의 팬 가이드를 제외한 상태의 모식적 상면도.
도9는 제2 실시형태의 송풍장치의 모식적 분해도.
도10은 제2 실시형태의 스테이터부 외주단 근처의 모식적 확대 사시도.
도11은 제2 실시형태의 확산각과 정압 상승효과와의 관계를 나타낸 모식적 그래프.
도12는 제2 실시형태에서 발생하는 소음의 스펙트럼 분포.
도13은 본 발명 또 다른 실시형태에 의한 송풍장치를 나타낸 모식도.
2C 볼록면 2E 외주단
2F 스테이터부 2I 내주단
2P 압력면 7, 100 송풍장치
8, 11 벨마우스부 9, 12 디퓨저부
9a 디퓨저부의 하류단 개구 15 세로 리브
21 허브 22 소음방지날개(靜翼)
23 접속부 24 연결부
25 덮개 부재 91 경사면
600 공기조화장치용 실외기 L 분할 라인
L1 볼록면 형성라인 L2 원주 방향선
L3 축방향선
Claims (10)
- 압축기와 열교환기를 포함하는 공기조화기의 실외기에 있어서,
상기 열교환기를 통과한 공기를 상기 실외기 외부로 배출시키는 팬;과
상기 팬으로 유입되는 공기를 가이드하도록 마련되고, 상기 팬의 외주면과 이격되게 배치되는 벨마우스부;와
상기 팬으로부터 토출되는 공기를 가이드하도록 마련되고, 상기 벨마우스부의 하류단에서 연장되고, 공기가 토출되는 방향으로 공기유로가 넓어지도록 경사지게 마련되는 내주면을 포함하는 디퓨저부;를 포함하고,
상기 팬의 회전축에 대한 상기 디퓨저부의 내주면의 디퓨저 각도(θ)는 상기 디퓨저부의 내주면의 원주방향을 따라 변화하도록 마련되고,
상기 내주면의 전체에 걸쳐서 임의의 지점에서의 디퓨저 각도(θ)와 상기 임의의 지점에 대해 상기 송풍팬의 회전축을 중심으로 반대측에 대칭되는 지점에서의 디퓨저 각도(θ)는 동일하게 마련되는 공기조화기의 실외기. - 제1항에 있어서,
상기 내주면의 하류단에 형성되는 개구를 더 포함하고,
상기 개구는 타원 형상으로 마련되는 것을 특징으로 하는 공기조화기의 실외기. - 제1항에 있어서,
상기 내주면의 하류단에 형성되는 개구를 더 포함하고,
상기 개구는 적어도 3개의 각을 가진 다각형 형상으로 마련되는 것을 특징으로 하는 공기조화기의 실외기. - 제1 항에 있어서,
상기 임의의 지점에서의 상기 디퓨저부의 상류단에서부터 하류단 사이까지의 길이는 상기 임의의 지점에서의 디퓨저 각도(θ)가 클수록 긴 것을 특징으로 하는 공기조화기의 실외기. - 제1항에 있어서,
상기 임의의 지점에서의 디퓨저 각도(θ)는 3°≤ θ ≤35°의 범위에서 마련되는 것을 특징으로 하는 공기조화기의 실외기. - 제1항에 있어서,
상기 팬이 복수로 마련되는 경우 상기 디퓨저부는 상기 복수의 팬과 대응되게 복수로 마련되고,
상기 복수의 팬 중 인접하게 배치되는 제 1팬과 제 2팬에 대응되게 마련되는 제 1디퓨저부와 제 2디퓨저부에 있어서,
상기 제 1디퓨저부와 상기 제 2디퓨저부가 인접하는 측에 위치하는 상기 제 1디퓨저부의 디퓨저 각도(θ)와 상기 제 2디퓨저부의 디퓨저 각도(θ)는 각각 3°≤ θ ≤7°의 범위에서 마련되는 것을 특징으로 하는 공기조화기의 실외기. - 제1항에 있어서,
상기 압축기, 전장기기 및 내부기기를 수용하는 케이싱을 더 포함하고,
상기 케이싱이 마련되는 측에 위치하는 상기 내주면의 상기 디퓨저 각도는 상기 케이싱이 마련되지 않는 측에 위치하는 상기 내주면의 상기 디퓨저 각도보다 작게 마련되는 것을 특징으로 하는 공기조화기의 실외기. - 제 2항에 있어서,
상기 개구의 장축 길이를 W, 단축 길이를 D로 할 때, 상기 장축과 단축의 길이가 0.75〈 D/W〈 1의 범위로 설정되는 것을 특징으로 하는 공기조화기의 실외기. - 제2 항에 있어서,
상기 개구의 중심이 상기 팬의 회전축 선상에 위치하도록 마련되는 것을 특징으로 하는 공기조화기의 실외기. - 제1항에 있어서,
상기 팬의 회전축의 연장 방향으로 절단되는 단면을 디퓨저부의 단면이라 정의할 시, 상기 디퓨저부의 단면은 상기 내주면의 디퓨저 각도에 따라 변화되는 공기조화기의 실외기.
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