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KR100662568B1 - Control method of air conditioner - Google Patents

Control method of air conditioner Download PDF

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Publication number
KR100662568B1
KR100662568B1 KR1020040112130A KR20040112130A KR100662568B1 KR 100662568 B1 KR100662568 B1 KR 100662568B1 KR 1020040112130 A KR1020040112130 A KR 1020040112130A KR 20040112130 A KR20040112130 A KR 20040112130A KR 100662568 B1 KR100662568 B1 KR 100662568B1
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KR
South Korea
Prior art keywords
blade
operation mode
air conditioner
air
front blade
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KR1020040112130A
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Korean (ko)
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KR20060073744A (en
Inventor
김승철
서형준
이준표
김정선
이준영
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삼성전자주식회사
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Priority to KR1020040112130A priority Critical patent/KR100662568B1/en
Priority to CNB2005100000784A priority patent/CN100380057C/en
Publication of KR20060073744A publication Critical patent/KR20060073744A/en
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Publication of KR100662568B1 publication Critical patent/KR100662568B1/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
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
    • F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/43—Defrosting; Preventing freezing of indoor units
    • 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
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F24F2110/12—Temperature of the outside air
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2106—Temperatures of fresh outdoor air

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

본 발명은 운전모드에 따라 냉방능력을 다르게 제어할 수 있는 공기조화기의 제어방법에 관한 것으로, 운전모드를 선택하는 단계와; 운전모드의 선택에 의해 전면블레이드 또는 측면블레이드를 개방하여, 공기를 송풍시키는 단계와; 실외온도를 감지하는 단계와; 실외온도가 설정온도 이하인 조건에서 운전이 일정시간 계속될 경우, 폐쇄상태를 유지하고 있는 전면블레이드 또는 측면블레이드를 일정시간 개방하는 단계를 포함하여 구성된다. 이에 따라, 냉방능력의 감소없이 폐쇄상태의 전면블레이드 또는 측면블레이드 주변에서 발생되는 이슬맺힘 현상을 효율적으로 방지할 수 있다.The present invention relates to a control method of an air conditioner capable of differently controlling a cooling capacity according to an operation mode, comprising: selecting an operation mode; Blowing the air by opening the front blade or the side blade by selection of an operation mode; Sensing outdoor temperature; If the operation is continued for a predetermined time under the condition that the outdoor temperature is less than the set temperature, it comprises a step of opening the front blade or the side blade maintaining a closed state for a certain time. Accordingly, it is possible to effectively prevent dew condensation occurring around the front or side blades in a closed state without reducing the cooling capacity.

케이싱, 전면블레이드, 측면블레이드, 조작패널, 운전모드, 이슬맺힘Casing, front blade, side blade, operation panel, operation mode, dew formation

Description

공기조화기의 제어방법 {CONTROL PROCESS OF AIR CONDITIONER}Control method of air conditioner {CONTROL PROCESS OF AIR CONDITIONER}

도 1a, 1b 및 1c는 종래 공기조화기의 운전모드별 송풍상태를 도시한 개략도이고,Figure 1a, 1b and 1c is a schematic diagram showing a blowing state for each operation mode of a conventional air conditioner,

도 2는 본 발명에 따른 공기조화기의 사시도이고,2 is a perspective view of an air conditioner according to the present invention;

도 3은 본 발명에 따른 공기조화기의 송풍구조를 도시한 단면도이고,3 is a cross-sectional view showing a blowing structure of the air conditioner according to the present invention,

도 4는 본 발명에 따른 공기조화기의 1단 운전시 작동과정을 도시한 흐름도이다.4 is a flowchart illustrating an operation process during one stage operation of the air conditioner according to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 >            <Description of Symbols for Main Parts of Drawings>

20 : 케이싱 30 : 전면블레이드            20: casing 30: front blade

40 : 셔터 50a,50b : 측면블레이드            40: shutter 50a, 50b: side blade

60 : 조작패널            60: operation panel

본 발명은 공기조화기의 제어방법에 관한 것으로서, 운전모드에 따라 냉방능력을 다르게 제어할 수 있는 공기조화기의 제어방법에 관한 것이다.The present invention relates to a control method of an air conditioner, and more particularly, to a control method of an air conditioner capable of controlling a cooling capacity according to an operation mode.

일반적으로, 공기조화기는 실내공기를 쾌적한 상태로 유지하기 위한 장치로 서, 실내로 공기를 송풍하는 실내기 및 열교환된 공기를 실내기로 공급하는 실외기로 구분된다.In general, an air conditioner is a device for maintaining indoor air in a comfortable state, and is classified into an indoor unit that blows air into the indoor unit and an outdoor unit that supplies heat-exchanged air to the indoor unit.

특히, 두 개의 압축기가 병렬로 연결되어 있는 공기조화기는 두 개의 압축기를 동시에 운전하거나, 두 개의 압축기를 각각 단독으로 운전 가능하게 함으로써 3단계의 냉방능력제어가 가능하도록 되어 있다. 예를 들어 두 개의 압축기를 동시에 운전할 경우에는 100%, 능력이 큰 압축기만 운전할 경우에는 60%, 능력이 작은 압축기만 운전할 경우에는 40%의 냉방능력이 나오게 된다. In particular, an air conditioner in which two compressors are connected in parallel operates three compressors simultaneously or enables two compressors to be operated independently, thereby enabling three levels of cooling capacity control. For example, when two compressors are operated simultaneously, 100% cooling capacity is achieved, 60% when only a high capacity compressor is operated, and 40% when a smaller capacity compressor is operated.

종래의 공기조화기는 도 1a, 1b 및 1c에 도시된 바와 같이, 케이싱(2)에 구비되어 있는 전면블레이드(4) 및 측면블레이드(6a,6b)의 개폐상태를 제어하여, 송풍공기의 토출방식을 3단계로 구분할 수 있다. 즉, 1단 운전모드의 경우에는 도 1a에서와 같이 전면블레이드(4)가 개방되어 전방으로만 공기가 송풍되고, 2단 운전모드의 경우에는 도 1b에서와 같이 측면블레이드(6a,6b)가 개방되어 측방으로만 공기가 송풍되고, 3단 운전모드의 경우에는 도 1c에서와 같이 전면블레이드(4)와 측면블레이드(6a,6b)가 모두 개방되어, 전방 및 측방으로 공기가 송풍된다.Conventional air conditioners, as shown in Figure 1a, 1b and 1c, by controlling the opening and closing state of the front blade 4 and the side blades (6a, 6b) provided in the casing (2), the discharge method of blowing air Can be divided into three stages. That is, in the first stage operation mode, the front blade 4 is opened as shown in FIG. 1A to blow air only forward, and in the two stage operation mode, the side blades 6a and 6b are opened as shown in FIG. Open air is blown only to the side, and in the three-stage operation mode, both the front blades 4 and the side blades 6a and 6b are opened as shown in FIG. 1C, and the air is blown to the front and the side.

2단 운전모드의 경우에는 전면블레이드(4)가 셔터(8)에 의해 폐쇄되는 구조를 가짐으로써 전면블레이드(4)의 폐쇄시 틈새가 생기되더라도 공기의 유출이 발생되지 않는 반면, 1단 운전모드의 경우에는 별도의 커버장치가 설치되지 않아 측면블레이드(6a,6b)의 폐쇄시 생기는 틈새로 공기가 외부로 유출된다.In the case of the two-stage operation mode, the front blade 4 is closed by the shutter 8, so even if a gap is generated when the front blade 4 is closed, no air is leaked. In the case of the separate cover device is not installed because the air flows out to the gap caused by the closing of the side blades (6a, 6b).

상기와 같은 구조의 공기조화기는 보통의 실내조건에서는 1단 운전모드 선택시 측면블레이드(6a,6b)의 틈새를 통해 공기가 유출되더라도 이슬맺힘 현상이 거의 발생되지 않는다. 그러나 장마철과 같이 온도가 낮고 습도가 높은 조건에서는 송풍공기의 온도가 낮아지게 됨으로써 1단 운전모드로 일정시간 이상 운전할 경우, 폐쇄되어 있는 측면블레이드(6a,6b)의 주변에 이슬맺힘 현상이 발생된다. 이는, 제품에 대한 신뢰성을 저하시키는 원인이 된다.The air conditioner having the above-described structure hardly produces dew condensation even when air flows out through the gaps of the side blades 6a and 6b when the first stage operation mode is selected under normal indoor conditions. However, when the temperature is low and the humidity is high, such as during the rainy season, the temperature of the blower air is lowered. Therefore, if the air is operated for a predetermined time in the first stage operation mode, dew formation occurs around the closed side blades 6a and 6b. . This causes a decrease in reliability of the product.

한편, 증발기로 유입되는 냉매유량을 감소시켜 송풍공기의 온도를 상승시킴으로써 이슬맺힘 현상을 방지할 수는 있으나, 이는 냉매유량의 감소로 인해 공기조화기의 냉방능력 또한 감소되는 문제점이 있다.On the other hand, it is possible to prevent the dew condensation by reducing the refrigerant flow rate flowing into the evaporator to increase the temperature of the blowing air, which is also a problem that the cooling capacity of the air conditioner is also reduced due to the decrease in the refrigerant flow rate.

본 발명은 상기와 같은 문제점을 해결하기 위하여 창출된 것으로, 외부환경에 의해 발생되는 이슬맺힘 현상을 방지할 수 있는 공기조화기의 제어방법을 제공하고자 하는 데 그 목적이 있다.The present invention has been made to solve the above problems, and an object thereof is to provide a control method of an air conditioner that can prevent dew condensation caused by an external environment.

상기와 같은 목적을 달성하기 위하여 본 발명은, 전면블레이드 및 측면블레이드가 구비되어 있는 공기조화기의 제어방법에 있어서, 운전모드를 선택하는 단계와; 운전모드의 선택에 의해 상기 전면블레이드 또는 상기 측면블레이드를 개방하여, 공기를 송풍시키는 단계와; 실외온도를 감지하는 단계와; 실외온도가 설정온도 이하인 조건에서 운전이 일정시간 계속될 경우, 폐쇄상태를 유지하고 있는 상기 전면블레이드 또는 상기 측면블레이드를 일정시간 개방하는 단계를 포함하여 구성되는 데 그 특징이 있다.In order to achieve the above object, the present invention provides a control method of an air conditioner having a front blade and a side blade, comprising the steps of: selecting an operation mode; Blowing the air by opening the front blade or the side blade by selection of an operation mode; Sensing outdoor temperature; If the operation is continued for a predetermined time in a condition that the outdoor temperature is less than the set temperature, it characterized in that it comprises a step of opening the front blade or the side blade maintaining a closed state for a certain time.

상기 전면블레이드 또는 상기 측면블레이드의 개방시 송풍팬의 회전수를 일 시적으로 증가시키는 단계를 더 포함할 수 있다.When opening the front blade or the side blade may further comprise the step of temporarily increasing the number of revolutions of the blowing fan.

상기 전면블레이드 또는 상기 측면블레이드가 소정의 각도를 유지한 상태로 개방되는 것이 바람직하다.Preferably, the front blade or the side blade is opened while maintaining a predetermined angle.

상기 전면블레이드 또는 상기 측면블레이드가 소정의 각도범위 내에서 회전되는 상태로 개방되는 것이 바람직하다.Preferably, the front blade or the side blade is opened in a state of being rotated within a predetermined angle range.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다.Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

도 2 및 도 3에 도시된 바와 같이, 본 발명에 따른 공기조화기는 외관을 형성하는 케이싱(20)과; 케이싱(20)의 전면에 개폐 가능하도록 설치되어, 전방으로 공기를 송풍 가능하게 하는 전면블레이드(30)와; 케이싱(20)에 슬라이딩 가능하도록 설치되어, 전면블레이드(30)를 선택적으로 커버하는 셔터(40)와; 케이싱(20)의 양측면에 개폐 가능하도록 설치되어, 측방으로 공기를 송풍 가능하게 하는 측면블레이드(50a,50b)를 포함하여 구성된다.As shown in Figures 2 and 3, the air conditioner according to the present invention and the casing 20 to form an appearance; A front blade 30 installed on the front of the casing 20 so as to be openable and close, and allowing air to be blown forward; A shutter 40 installed to be slidable in the casing 20 to selectively cover the front blade 30; Installed on both sides of the casing 20 so as to be openable and closed, the side blades 50a and 50b configured to allow air to be blown to the side are configured.

공기조화기는 냉방능력을 조절할 수 있도록 외부환경에 따라 1단 운전모드, 2단 운전모드 및 3단 운전모드로 변경 가능하며, 전면블레이드(30) 및 측면블레이드(50a,50b)는 각 운전모드에 따라 선택적으로 개폐된다. The air conditioner can be changed into 1st stage operation mode, 2nd stage operation mode and 3rd stage operation mode according to the external environment so that the cooling capacity can be adjusted, and the front blade 30 and the side blades 50a and 50b are assigned to each operation mode. Are opened and closed accordingly.

1단 운전모드에서는 전면블레이드(30)가 개방되고 측면블레이드(50a,50b)는 폐쇄됨으로써 전방으로만 공기가 송풍되고, 2단 운전모드에서는 전면블레이드(30)가 폐쇄되고 측면블레이드(50a,50b)는 개방됨으로서 측방으로만 공기가 송풍되며, 3단 운전모드에서는 전면블레이드(30) 및 측면블레이드(50a,50b)가 모두 개방되어, 전방과 측방으로 공기가 송풍된다. 2단 운전모드에서는 셔터(40)가 전면블레이드(30)를 커버하는 구조를 가진다.In the first stage operation mode, the front blades 30 are opened and the side blades 50a and 50b are closed, so that air is blown forward only. In the two stage operation mode, the front blades 30 are closed and the side blades 50a and 50b are closed. The air is blown only to the side by being opened, and in the three-stage operation mode, both the front blades 30 and the side blades 50a and 50b are opened, and the air is blown to the front and the side. In the two-stage operation mode, the shutter 40 has a structure covering the front blade 30.

특히, 1단 운전의 경우에는 측면블레이드(50a,50b)가 폐쇄되어 있는 상태를 유지하나, 측면블레이드(50a,50b)의 설치구조적 특징으로 인해 측면블레이드(50a,50b) 및 케이싱(20) 사이에 소정의 틈새가 생겨 폐쇄되더라도 일정 양의 공기가 유출된다. 이는 외부환경에 따라 측면블레이드(50a,50b) 주변의 이슬맺힘 원인이 된다.In particular, in the case of the first stage operation, the side blades 50a and 50b remain closed, but due to the structural features of the side blades 50a and 50b between the side blades 50a and 50b and the casing 20. Even if a predetermined gap is formed in the chamber, a certain amount of air flows out. This causes dew condensation around the side blades 50a and 50b depending on the external environment.

전면블레이드(30)의 및 측면블레이드(50a,50b)는 케이싱(20)의 전방과 측방으로 공기를 송풍시킬 수 있는 범위 내에서 공지된 다양한 형태의 것을 선택적으로 적용할 수 있으며, 케이싱(20)의 일측에는 운전모드의 선택을 비롯한 여러 기능을 간편하게 조작하기 위한 조작패널(60)이 마련되어 있다.The front blade 30 and the side blades (50a, 50b) can be selectively applied to a variety of known forms within the range that can blow air to the front and side of the casing 20, the casing 20 One side of the operation panel 60 is provided to easily operate the various functions, including the selection of the operation mode.

1단 운전모드의 경우, 공기조화기 제어방법을 도 4를 참조하여 설명하면 하기와 같다.In the case of the first stage operation mode, the air conditioner control method will be described with reference to FIG. 4.

① 제1단계(S1) : 1단 운전모드를 선택하는 단계.① First step (S1): Step of selecting the first stage operation mode.

② 제2단계(S2) : 실외온도를 감지하여 설정온도(T℃)와 비교하는 단계.② The second step (S2): detects the outdoor temperature and compares the set temperature (T ℃).

③ 제3단계(S3) : 감지된 실외온도가 설정온도(T℃) 이하, 즉 폐쇄되어 있는 측면블레이드(50a,50b)에서 이슬맺힘 현상이 발생되기 쉬운 온도조건일 경우, 그 운전시간을 측정하기 위하여 시간을 스타트하는 단계. 만약, 감지된 실외온도가 설정온도(T℃)를 초과할 경우에는 측면블레이드(50a,50b)가 폐쇄되어 있는 통상운전 상태를 유지한다.③ Third step (S3): If the detected outdoor temperature is below the set temperature (T ℃), that is, a temperature condition where dew condensation is likely to occur in the closed side blades 50a and 50b, the operation time is measured. Starting time to do. If the detected outdoor temperature exceeds the set temperature (T ° C), the side blades 50a and 50b maintain the normal operation state in which they are closed.

④ 제4단계(S4) : 운전시간을 감지하여 설정시간(t1)과 비교하는 단계.④ fourth step (S4): detecting the operation time and comparing with the set time (t1).

⑤ 제5단계(S5) : 감지된 운전시간이 설정시간(t1)에 이를 경우, 측면블레이드(50a,50b)를 일정시간 동안 개방하는 단계. 이 때, 측면블레이드(50a,50b)는 소정의 각도를 유지한 상태로 개방되거나, 소정의 각도범위 내에서 회전되는 상태로 개방 가능하다. ⑤ 5th step (S5): when the detected operating time reaches the set time (t1), opening the side blades (50a, 50b) for a predetermined time. At this time, the side blades (50a, 50b) can be opened while maintaining a predetermined angle, or rotated within a predetermined angle range.

⑥ 제6단계(S6) : 송풍팬(미도시)의 회전수를 일시적으로 증가시키는 단계.⑥ the sixth step (S6): temporarily increasing the number of revolutions of the blowing fan (not shown).

⑦ 제7단계(S7) : 측면블레이드(50a,50b)가 개방된 상태에서의 실외온도를 감지하여 설정온도(T℃)와 비교하는 단계.⑦ seventh step (S7): detecting the outdoor temperature in the state that the side blades (50a, 50b) is opened and compared with the set temperature (T ℃).

⑧ 제8단계(S8) : 감지된 실외온도가 설정온도(T℃) 이하가 될 경우, 측면블레이드(50a,50b)의 개방시간을 감지하여 설정시간(t2)과 비교하는 단계. 만약, 감지된 실외온도가 설정온도(T℃)를 초과할 경우에는 측면블레이드(50a,50b)를 폐쇄하여 통상운전 상태로 변경한다.⑧ eighth step (S8): detecting the open time of the side blades (50a, 50b) when the detected outdoor temperature is less than the set temperature (T ℃) and compare with the set time (t2). If the detected outdoor temperature exceeds the set temperature (T ° C.), the side blades 50a and 50b are closed to change to the normal operation state.

⑨ 제9단계(S9) : 감지된 측면블레이드(50a,50b)의 개방시간이 설정시간(t2)에 이르면 측면블레이드(50a,50b)를 폐쇄하는 단계를 포함하여 구성된다. ⑨ ninth step (S9): it comprises a step of closing the side blades (50a, 50b) when the detected opening time of the side blades (50a, 50b) reaches the set time (t2).

이와 같이, 1단 운전모드의 경우 발생되는 이슬맺힘 현상을 방지할 수 있도록 시간적 간격을 두고 측면블레이드(50a,50b)를 주기적으로 개방시킨다. 즉, 1단 운전의 경우 측면블레이드(50a,50b)가 닫혀 있는 상태를 유지하나, 실외온도를 감지하여 이슬이 맺히기 쉬운 조건(설정온도 이하의 조건)에서 1단 운전이 일정시간 계속될 경우에는 측면블레이드(50a,50b)를 일정시간 동안 개방하여 측면블레이드(50a,50b) 주변공기의 절대습도를 낮춤으로써 이슬이 맺히는 것을 미연에 방지할 수 있다.As described above, the side blades 50a and 50b are periodically opened at a time interval to prevent dew condensation occurring in the first stage operation mode. That is, in the case of the first stage operation, the side blades 50a and 50b remain closed, but when the first stage operation continues for a predetermined time in a condition where dew is easy to form by detecting the outdoor temperature (under the set temperature or less). Dew formation can be prevented by forming the side blades 50a and 50b for a predetermined time to lower the absolute humidity of the air surrounding the side blades 50a and 50b.

송풍팬의 회전수를 일시적으로 증가시키게 되면, 측면블레이드(50a,50b)를 통해 송풍되는 공기의 온도가 상승하게 됨으로써 주변부 온도도 상승하게 되어 이슬맺힘 현상을 효율적으로 방지할 수 있다. 이렇게 송풍팬의 회전수를 일시적으로 증가시키는 이유는 소비자가 기본적으로 원하는 운전모드가 1단 운전모드이므로 측면블레이드(50a,50b)의 개방시간을 최대한 짧게 하기 위한 것이다.When the rotational speed of the blower fan is temporarily increased, the temperature of the air blown through the side blades 50a and 50b is increased, thereby increasing the peripheral temperature, thereby effectively preventing dew condensation. The reason for temporarily increasing the rotation speed of the blower fan is to shorten the opening time of the side blades (50a, 50b) as much as possible because the operation mode basically desired by the consumer in the first stage.

한편, 본 발명에서는 1단 운전모드를 일 실시예를 설명하였지만, 케이싱(20)에 전면블레이드(30)를 커버하는 셔터(40)가 설치되어 있지 않아 전면블레이드(30)폐쇄시 공기의 유출 가능성이 있는 2단 운전의 경우에도 동일하게 적용할 수 있음은 물론이다.On the other hand, in the present invention has been described an embodiment of the one-stage operation mode, since the shutter 40 to cover the front blade 30 is not installed in the casing 20, the possibility of air leakage when the front blade 30 is closed. Of course, the same applies to the two-stage operation.

이상에서 설명한 바와 같이 본 발명에 따르면, 폐쇄상태의 전면블레이드 또는 측면블레이드 주변에서 발생되는 이슬맺힘 현상을 냉방능력의 감소없이 효율적으로 방지할 수 있다.As described above, according to the present invention, dew condensation occurring around the front or side blades in the closed state can be effectively prevented without reducing the cooling capacity.

또한, 이슬맺힘 현상을 방지하기 위한 별도의 부품이 요구되지 않아, 경제적인 비용을 절감할 수 있다.In addition, since a separate part is not required to prevent dew condensation, economic cost can be reduced.

Claims (4)

전면블레이드 및 측면블레이드가 구비되어 있는 공기조화기의 제어방법에 있어서,In the control method of the air conditioner is provided with a front blade and a side blade, 운전모드를 선택하는 단계와;Selecting a driving mode; 운전모드의 선택에 의해 상기 전면블레이드 또는 상기 측면블레이드를 개방하여, 공기를 송풍시키는 단계와;Blowing the air by opening the front blade or the side blade by selection of an operation mode; 실외온도를 감지하는 단계와;Sensing outdoor temperature; 실외온도가 설정온도 이하인 조건에서 운전이 일정시간 계속될 경우, 폐쇄상태를 유지하고 있는 상기 전면블레이드 또는 상기 측면블레이드를 일정시간 개방하는 단계를 포함하는 것을 특징으로 하는 공기조화기의 제어방법.If the operation is continued for a predetermined time under the condition that the outdoor temperature is less than the set temperature, the control method of the air conditioner comprising the step of opening the front blade or the side blade maintaining a closed state for a predetermined time. 제1항에 있어서,The method of claim 1, 상기 전면블레이드 또는 상기 측면블레이드의 개방시 송풍팬의 회전수를 일시적으로 증가시키는 단계를 더 포함하는 것을 특징으로 하는 공기조화기의 제어방법.The control method of the air conditioner further comprises the step of temporarily increasing the number of revolutions of the blowing fan when the front blade or the side blade opening. 제1항 또는 제2항에 있어서,The method according to claim 1 or 2, 상기 전면블레이드 또는 상기 측면블레이드가 소정의 각도를 유지한 상태로 개방되는 것을 특징으로 하는 공기조화기의 제어방법.And the front blade or the side blade is opened while maintaining a predetermined angle. 제1항 또는 제2항에 있어서,The method according to claim 1 or 2, 상기 전면블레이드 또는 상기 측면블레이드가 소정의 각도범위 내에서 회전되는 상태로 개방되는 것을 특징으로 하는 공기조화기의 제어방법.And the front blade or the side blade is opened while being rotated within a predetermined angle range.
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