KR100274988B1 - Indoor unit for air conditioner - Google Patents
Indoor unit for air conditioner Download PDFInfo
- Publication number
- KR100274988B1 KR100274988B1 KR1019980016407A KR19980016407A KR100274988B1 KR 100274988 B1 KR100274988 B1 KR 100274988B1 KR 1019980016407 A KR1019980016407 A KR 1019980016407A KR 19980016407 A KR19980016407 A KR 19980016407A KR 100274988 B1 KR100274988 B1 KR 100274988B1
- Authority
- KR
- South Korea
- Prior art keywords
- air
- air inlet
- auxiliary
- indoor unit
- inlet
- Prior art date
Links
- 230000000903 blocking effect Effects 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000003570 air Substances 0.000 description 81
- 238000007664 blowing Methods 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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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
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
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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
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
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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
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1426—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means
- F24F2013/1433—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by actuating means with electric motors
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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
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/34—Heater, e.g. gas burner, electric air heater
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
- Air Conditioning Control Device (AREA)
Abstract
본 발명은 전면에 주흡기구와 토출구를 갖는 케이싱과, 상기 케이싱내에 상기 흡입구와 상기 토출구 사이의 공기유로내에 배치되는 증발기, 전열히터 및 송풍팬덕트를 구비한 공기조화기용 실내기에 관한 것이다. 본 실내기는 상기 케이싱의 배면에 보조흡기구가 형성되어 있고, 상기 전열히터는 상기 보조흡기구와 인접한 위치에 배치되어 있다. 이에 따라, 주흡기구와 보조흡기구중 어느 하나로 흡기되는 실내공기는 증발기 또는 전열히터에 의한 토출저항을 받지 않아 송풍팬덕트의 낮은 회전수로 동일한 풍량을 공급할 수 있다.The present invention relates to a casing having a main air inlet and a discharge port on its front face, and an indoor unit for an air conditioner having an evaporator, an electric heater, and a blower fan duct disposed in the air passage between the suction port and the discharge port in the casing. The indoor unit is provided with an auxiliary suction port on the back of the casing, and the heat transfer heater is disposed at a position adjacent to the auxiliary suction hole. Accordingly, the indoor air that is inhaled by any one of the main inlet and the auxiliary inlet does not receive discharge resistance by the evaporator or the heat transfer heater, thereby supplying the same amount of air at a low rotational speed of the blower fan duct.
Description
본 발명은 공기조화기용 실내기에 관한 것으로, 보다 상세하게는 케이싱에 설치되는 히터와 흡기구를 적절하게 배치하여 공기유로를 원활하게 하는 공기조화기용 실내기에 관한 것이다.The present invention relates to an indoor unit for an air conditioner, and more particularly, to an indoor unit for an air conditioner for smoothly arranging an air passage by appropriately disposing a heater and an intake port provided in a casing.
공기조화기는 통상적으로 실내기와 실외기를 가지고 있다. 실외기에는 냉매를 고온고압으로 압축하는 압축기와, 냉방모드의 선택에 따라 압축기로부터의 냉매를 열교환하는 실외열교환기와, 열교환된 저온고압의 냉매를 저온저압의 냉매로 변환시키는 팽창부를 갖는다. 실내기는 냉방모드의 선택에 따라 상기 팽창부로부터 저온저압의 냉매가 주위공기보다 상대적으로 낮은 온도의 공기(이하, "냉기"라 함)로 열교환되는 실내열교환기(이하, "증발기"라 함)와 상기 실내열교환기의 냉기를 송풍시키는 송풍팬을 갖는다.An air conditioner typically has an indoor unit and an outdoor unit. The outdoor unit includes a compressor for compressing the refrigerant at high temperature and high pressure, an outdoor heat exchanger for exchanging the refrigerant from the compressor according to the selection of the cooling mode, and an expansion unit for converting the heat exchanged low temperature high pressure refrigerant into a low temperature low pressure refrigerant. The indoor unit is an indoor heat exchanger (hereinafter referred to as an "evaporator") in which a low-temperature, low-pressure refrigerant is heat-exchanged from the expansion part to air having a temperature lower than ambient air (hereinafter, referred to as "cold air") according to the selection of a cooling mode. And a blowing fan for blowing cold air of the indoor heat exchanger.
이와 같은 공기조화기용 실내기는 도 1 및 도 2에 도시된 바와 같이, 내부공기를 흡입하는 흡기구(57)와 열교환된 내부공기를 토출하는 토출구(56)가 형성된 직육면체형상의 케이싱(52)에 의해 외관이 형성된다. 케이싱(52)에는 상기 흡기구(57)에서 상기 토출구(56)에 이르기까지 공기를 안내하는 공기유로가 형성되어 있다. 여기서, 토출구(56)에는 상하방향을 따라 가로로 설치된 복수개의 루버(58)가 마련되어 있으며, 루버(58)는 풍향을 조절하는 역할을 한다. 이 루버(58)의 전면에는 상하방향으로 유동가능하게 설치된 거의 사각판상의 토출구셔터(63)가 설치되어 있다. 그리고, 흡기구(57)에는 상하방향을 따라 가로로 마련된 흡기구셔터(61)가 양측의 회동축을 중심으로 상하 회동가능하게 설치되어 있다.1 and 2, the indoor unit for the air conditioner is formed by a rectangular parallelepiped casing 52 having an inlet port 57 for sucking the internal air and a discharge port 56 for discharging the heat exchanged internal air. The appearance is formed. The casing 52 is provided with an air passage for guiding air from the inlet port 57 to the discharge port 56. Here, the discharge port 56 is provided with a plurality of louvers 58 installed horizontally along the vertical direction, the louver 58 serves to adjust the wind direction. The front face of this louver 58 is provided with a discharge valve 63 of a substantially rectangular plate provided to be movable in the vertical direction. And the inlet port 57 is provided so that the inlet port shutter 61 provided horizontally along the up-down direction can be rotated up and down centering on the rotational shafts of both sides.
이러한 케이싱(52)의 공기유로상에는 실외로부터의 냉매를 증발시켜 냉기를 생성하는 실내열교환기(54)가 설치되어 있고, 실내열교환기(54)의 상부에는 실내공기를 흡기 및 토출시키는 송풍팬(55)을 지지하는 송풍팬덕트(60)가 케이싱(52)의 가로방향으로 설치되어 있으며, 송풍팬덕트(60)내에는 송풍팬을 구동하는 구동모터(미도시)가 설치되어 있다. 그리고, 각 송풍팬덕트(60)는 가로방향으로 누운 원통형상으로 형성되어 길이방향으로 양측면에 공기 유입을 위한 유입구(64)가 형성되어 있으며, 길이방향의 상부에는 유입된 공기가 유출되는 유출구가 형성되어 있다.An indoor heat exchanger 54 is installed on the air flow path of the casing 52 to generate cool air by evaporating refrigerant from the outside, and a blower fan that intakes and discharges indoor air at an upper portion of the indoor heat exchanger 54 ( A blowing fan duct 60 supporting 55 is provided in the transverse direction of the casing 52, and a driving motor (not shown) for driving the blowing fan is provided in the blowing fan duct 60. In addition, each blowing fan duct 60 is formed in a cylindrical shape lying in the transverse direction is formed in the inlet port for air inlet 64 on both sides in the longitudinal direction, the outlet in which the inlet air flows in the upper portion of the longitudinal direction Formed.
이러한 송풍팬덕트(60)는 실내공기를 흡입하여 열교환하는 열교환실(90)과 토출되는 공기가 통과하는 토출실(100)을 구분하는 분리판(67)을 관통하여 설치되어 있다. 그리고, 분리판(67)을 관통하는 각 송풍팬덕트(60)의 유출구 영역에는 전기에 의해 열을 생성하는 전열히터(65)가 설치되어 있다.The blower fan duct 60 penetrates through a separator plate 67 that separates the heat exchange chamber 90 that sucks and heat exchanges the indoor air and the discharge chamber 100 through which the discharged air passes. And the heat transfer heater 65 which generate | occur | produces heat by electricity is provided in the outlet area | region of each blowing fan duct 60 which penetrates the separating plate 67. As shown in FIG.
그런데, 이와 같은 공기조화기용 실내기는 케이싱의 공기유로상에 전열히터와 실내열교환기가 시리얼로 설치되며, 이에 따라 난방모드와 냉방모드중 어느 하나가 선택됨에 따라 흡기구를 통한 실내의 공기가 각각 전열히터와 실내열교환기중 어느 하나를 통해 열기 또는 냉기가 토출되기 위해서는 필연적으로 실내열교화기 및 전열히터를 경유하여야 하기 때문에 유속이 떨어져 풍량이 감소하는 문제점이 있다.By the way, the indoor unit for the air conditioner such as the electric heat heater and the indoor heat exchanger is installed in the serial on the air flow path of the casing, according to which one of the heating mode and cooling mode is selected, the air in the room through the intake vent respectively In order to discharge hot or cold air through any one of the heat exchangers and the indoor heat exchanger, it is necessary to pass through the indoor heat exchanger and the heat transfer heater.
본 발명은 상기와 같은 문제점을 해결하기 위해 안출한 것으로, 케이싱의 공기유로상에 공기의 유동을 향상시키도록 하는 공기조화기용 실내기를 제공하는데 그 목적이 있다.The present invention has been made to solve the above problems, and an object thereof is to provide an indoor unit for an air conditioner to improve the flow of air on the air flow path of the casing.
도 1은 종래기술에 따른 공기조화기용 실내기를 나타낸 부분파단 사시도,1 is a partially broken perspective view showing an indoor unit for an air conditioner according to the prior art,
도 2는 도 1의 횡단면도,2 is a cross-sectional view of FIG.
도 3은 본 발명에 따른 공기조화기용 실내기를 나타낸 부분파단 사시도,3 is a partially broken perspective view showing an indoor unit for an air conditioner according to the present invention;
도 4는 도 3의 횡단면도이다.4 is a cross-sectional view of FIG. 3.
[도면의 주요부분에 대한 부호의 설명][Explanation of symbols on the main parts of the drawings]
2 ; 케이싱 4 ; 실내열교환기2 ; Casing 4; Indoor heat exchanger
5 ; 송풍팬 6 ; 토출구5; Blowing fan 6; Outlet
7 ; 주흡기구 10 ; 송풍팬덕트7; Intake vent 10; Blowing fan duct
11 ; 주흡기구셔터 13 ; 토출구셔터11; Intake vent shutter 13; Outlet Shutter
17 ; 분리판 21 ; 보조흡기구17; Separator 21; Auxiliary intake
23 ; 차단부재 24 ; 구동모터23; Blocking member 24; Drive motor
25 ; 보조흡기구셔터 27 ; 전열히터25; Auxiliary intake shutter 27; Electric Heater
상기 목적은, 본 발명에 따라, 전면에 주흡기구와 토출구를 갖는 케이싱과, 상기 케이싱내에 상기 주흡기구와 상기 토출구 사이의 공기유로내에 배치되는 증발기, 전열히터 및 송풍팬덕트를 구비한 공기조화기용 실내기에 있어서, 상기 케이싱의 배면에는 보조흡기구가 형성되어 있고, 상기 전열히터는 보조흡기구와 인접한 위치에 배치되어 있는 공기조화기용 실내기에 의해 달성된다.The object is, according to the present invention, for an air conditioner having a casing having a main air inlet and a discharge port on its front face, and an evaporator, an electric heater, and a blower fan duct disposed within the casing in an air passage between the main air inlet and the air outlet. In the indoor unit, an auxiliary air inlet is formed on a rear surface of the casing, and the heat transfer heater is achieved by an indoor unit for an air conditioner disposed at a position adjacent to the auxiliary air inlet.
여기서, 상기 주흡기구와 상기 증발기 사이에 배치되어 상기 증발기가 작동할 때 주흡기구를 폐쇄하기 위한 주흡기구셔터와, 상기 보조흡기구와 전열히터사이에 배치되어 상기 증발기가 작동할 때 상기 보조흡기구를 폐쇄하기 위한 보조흡기구셔터를 포함하는 것이 바람직하다.Here, between the main inlet and the evaporator is disposed between the main air inlet shutter for closing the main air inlet when the evaporator is operated, and the auxiliary air inlet and the heat transfer heater to close the auxiliary air inlet when the evaporator operates It is preferable to include an auxiliary air inlet shutter.
또한, 냉방모드와 난방모드를 선택할 수 있는 모드선택부와, 상기 모드선택부의 선택에 따라 냉방모드시 상기 주흡기구셔터가 개방되고 상기 보조흡기구셔터가 차단되도록 하며, 난방모드시 상기 보조흡기구셔터가 개방되고 상기 주흡기구셔터가 차단되도록 제어하는 제어부를 더 포함하는 것이 바람직하다.In addition, a mode selection unit capable of selecting a cooling mode and a heating mode, and the main intake vent shutter is opened in the cooling mode and the auxiliary intake vent shutter is blocked in the cooling mode according to the selection of the mode selection unit. It is preferable to further include a control unit which opens and controls the main air inlet shutter to be blocked.
상기 각 흡기구셔터는 해당흡기구의 차단위치와 개방위치간을 이동가능한 적어도 하나의 차단부재와 상기 차단부래를 구동하는 구동모터를 포함하는 것이 바람직하다.Each of the intake shutters preferably includes at least one blocking member movable between the blocking position and the open position of the intake opening, and a driving motor for driving the blocking outlet.
이하에서, 첨부된 도면을 참조하여 본 발명에 따른 공기조화기용 실내기를 상세하게 설명하면 다음과 같다. 도 3은 본 발명에 따른 공기조화기용 실내기를 나타낸 부분파단 사시도이고, 도 4는 도 3의 횡단면도이다.Hereinafter, with reference to the accompanying drawings will be described in detail the indoor unit for an air conditioner according to the present invention. Figure 3 is a partially broken perspective view showing an indoor unit for an air conditioner according to the present invention, Figure 4 is a cross-sectional view of FIG.
도 3 및 도 4에 도시된 바와 같이, 본 공기조화기용 실내기는 내부공기를 흡입하는 주흡기구(7)와 열교환된 내부공기를 토출하는 토출구(6)가 형성된 직육면체형상의 케이싱(2)에 의해 외관이 형성되어 있다. 케이싱(2)에는 상기 주흡기구(7)에서 상기 토출구(6)에 이르기까지 공기를 안내하는 공기유로가 형성되어 있다.As shown in Figs. 3 and 4, the indoor unit for the air conditioner is formed by a rectangular parallelepiped casing 2 having a main inlet 7 for sucking the internal air and a discharge port 6 for discharging the heat exchanged internal air. The appearance is formed. The casing 2 is formed with an air passage for guiding air from the main inlet 7 to the outlet 6.
여기서, 토출구(6)에는 상하방향을 따라 가로로 설치된 복수개의 루버(8)가 마련되어 있으며, 루버(8)는 풍향을 조절하는 역할을 한다. 이 루버(8)의 전면에는 상하방향으로 유동가능하게 설치된 거의 사각판상의 토출구셔터(13)가 설치되어 있다. 그리고, 주흡기구(7)에는 케이싱(2)의 전면에 설치되어 있으며, 주흡기구(7)를 개폐하기 위한 상하방향을 따라 가로로 마련된 복수개의 주흡기구셔터(11)가 양측의 회동축을 중심으로 상하 회동가능하게 설치되어 있으며, 주흡기구셔터(11)를 구동하기 위한 모터(12)가 설치되어 있다.Here, the discharge port 6 is provided with a plurality of louvers (8) installed horizontally along the vertical direction, the louver (8) serves to adjust the wind direction. The front face of this louver 8 is provided with a discharge plate shutter 13 in the form of a substantially rectangular plate provided to be movable in the vertical direction. In addition, the main air inlet 7 is provided on the front side of the casing 2, and a plurality of main air inlet shutters 11 arranged horizontally along an up and down direction for opening and closing the main air intake 7 are centered on the rotation shafts on both sides. It is installed so as to rotate up and down, and a motor 12 for driving the main air inlet shutter (11) is provided.
한편, 상기 케이싱(2)의 배면에는 실내공기를 흡기하는 보조흡기구(21)가 하류측으로부터 구획된 상하방향을 따라 소정의 크기로 다수개 형성되어 있으며, 보조흡기구(21)에는 다수개의 보조흡기구(21)를 개폐하기 위한 상기 상하방향을 따라 가로로 마련된 복수개의 보조흡기구셔터(25)가 양측의 회동축을 중심으로 상하 회동가능하게 설치되어 있다. 보조흡기구셔터(25)는 보조흡기구(21)의 차단위치와 개방위치 간을 이동가능한 적어도 하나의 차단부재(23)와, 상기 차단부재(23)를 구동하기 위한 구동모터(24)를 가진다.On the other hand, the back of the casing (2) is formed with a plurality of auxiliary intakes 21 for a predetermined size along the up and down direction partitioned from the downstream side, the auxiliary air intakes 21, a plurality of auxiliary intakes A plurality of auxiliary air intake shutters 25 provided horizontally along the up and down direction for opening and closing the 21 are rotatably installed up and down about the rotation shafts on both sides. The auxiliary air inlet shutter 25 has at least one blocking member 23 that can move between the blocking position and the open position of the auxiliary air inlet 21, and a driving motor 24 for driving the blocking member 23.
이러한 케이싱(2)의 공기유로상에는 실외로부터의 냉매를 증발시켜 냉기를 생성하는 실내열교환기(4)가 설치되어 있고, 실내열교환기(4)의 상부에는 실내공기를 흡기 및 토출시키는 송풍팬을 지지하는 송풍팬덕트(10)가 케이싱(2)의 가로방향으로 한 쌍이 설치되어 있으며, 송풍팬덕트(10)내에는 송풍팬(5)을 구동하는 구동모터(미도시)가 설치되어 있다. 그리고, 각 송풍팬덕트(10)는 가로방향으로 누운 원통형상으로 형성되어 길이방향으로 양측면에 공기 유입을 위한 유입구(14)가 형성되어 있으며, 길이방향의 상부에는 유입된 공기가 유출되는 유출구(15)가 형성되어 있다. 이러한 송풍팬덕트(10)는 실내공기를 흡입하여 열교환하는 열교환실(30)과 토출되는 공기가 통과하는 토출실(40)을 구분하는 분리판(17)을 관통하여 설치되어 있다. 그리고, 상기 보조흡기구(21)에 인접한 영역에는 공기유로를 향하여 실내공기를 가열하는 전열히터(27)가 설치되어 있다. 전열히터(27)와 상기 실내열교환기(4)는 동일한 공기유로내에 설치되어 있으며, 주흡기구(7)에서 흡기되는 실내공기는 실내열교환기(4)만을 관통하여 토출되고, 보조흡기구(21)에서 흡기되는 실내공기는 전열히터(27)만을 관통하여 토출된다.An indoor heat exchanger (4) is installed on the air flow path of the casing (2) to generate cool air by evaporating refrigerant from the outside, and a blower fan that intakes and discharges indoor air is provided above the indoor heat exchanger (4). A pair of supporting blower fan ducts 10 are provided in the transverse direction of the casing 2, and a driving motor (not shown) for driving the blower fan 5 is provided in the blower fan duct 10. In addition, each blowing fan duct 10 is formed in a cylindrical shape lying in the transverse direction is formed in the inlet port 14 for the air inlet on both sides in the longitudinal direction, the outlet in which the inlet air flows out ( 15) is formed. The blower fan duct 10 is installed through a separation plate 17 for separating the heat exchange chamber 30 for sucking and exchanging indoor air and the discharge chamber 40 through which the discharged air passes. In addition, an electric heater 27 for heating the indoor air toward the air passage is provided in the region adjacent to the auxiliary intake port 21. The heat transfer heater 27 and the indoor heat exchanger 4 are installed in the same air flow path, and the indoor air taken in by the main air intake 7 is discharged through only the indoor heat exchanger 4, and the auxiliary air intake 21 is provided. Indoor air that is taken in by is discharged through only the heat transfer heater (27).
한편, 이와 같은 실내열교환기(4)와 전열히터(27)는 냉방모드와 난방모드를 선택하는 모드선택부(미도시)에 의해서 각기 따로 동작되고, 이 선택된 모드에 따라 주흡기구(11)와 보조흡기구(21)중 어느 하나가 개방되도록 개별적으로 제어하는 제어부(미도시)에 의해 동작된다.On the other hand, the indoor heat exchanger 4 and the electric heater 27 are operated separately by a mode selector (not shown) for selecting a cooling mode and a heating mode, and according to the selected mode, It is operated by a controller (not shown) which individually controls one of the auxiliary intakes 21 to be opened.
상술한 바와 같은 실내기는 모드선택부에서 난방모드가 선택되면 주흡기구셔터(11)가 차단되고 보조흡기구셔터(25)가 개방되며, 냉방모드가 선택되면 주흡기구셔터(11)가 개방되고 보조흡기구셔터(25)가 차단되도록 제어되기에 실내열교환기(4) 또는 전열히터(27)를 관통하는 공기는 통과하는 토출저항이 적어 비교적 보다 낮은 회전수로 동일한 풍량을 얻을 수 있다.The indoor unit as described above, when the heating mode is selected in the mode selector, the main air inlet shutter 11 is blocked and the auxiliary air inlet shutter 25 is opened. When the air cooling mode is selected, the main air inlet shutter 11 is opened and the auxiliary air intake vent is opened. Since the shutter 25 is controlled to be blocked, the air passing through the indoor heat exchanger 4 or the heat transfer heater 27 has less discharge resistance to pass, and thus the same amount of air can be obtained at a relatively lower rotational speed.
본 발명은 배면에 보조흡기구를 설치하여 이 흡기구에 전열히터를 장작하기 때문에 송풍팬덕트의 상단에 전열히터가 있을때 받는 토출저항이 없으므로 비교적 낮은 회전수로 동일한 풍량을 얻고, 전력소모와 소음이 감소되며. 장시간 사용할 때 전열히터에서 발생된 먼지를 제거하는데 편리한 이점을 준다.In the present invention, the auxiliary air inlet is installed on the rear to install the electric heater on the air inlet, so there is no discharge resistance received when there is the electric heater on the top of the fan fan duct, so that the same air volume is obtained at a relatively low rotational speed, and power consumption and noise are reduced. Will. When used for a long time, it provides a convenient advantage to remove dust generated from the electric heater.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980016407A KR100274988B1 (en) | 1998-05-08 | 1998-05-08 | Indoor unit for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1019980016407A KR100274988B1 (en) | 1998-05-08 | 1998-05-08 | Indoor unit for air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR19990084548A KR19990084548A (en) | 1999-12-06 |
| KR100274988B1 true KR100274988B1 (en) | 2001-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1019980016407A KR100274988B1 (en) | 1998-05-08 | 1998-05-08 | Indoor unit for air conditioner |
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| Country | Link |
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| KR (1) | KR100274988B1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100710056B1 (en) | 2006-02-27 | 2007-04-20 | 주식회사 대우일렉트로닉스 | Air conditioner |
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1998
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| KR19990084548A (en) | 1999-12-06 |
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