KR20000003144A - Power save controlling of air conditioner - Google Patents

Power save controlling of air conditioner Download PDF

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Publication number
KR20000003144A
KR20000003144A KR1019980024298A KR19980024298A KR20000003144A KR 20000003144 A KR20000003144 A KR 20000003144A KR 1019980024298 A KR1019980024298 A KR 1019980024298A KR 19980024298 A KR19980024298 A KR 19980024298A KR 20000003144 A KR20000003144 A KR 20000003144A
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South Korea
Prior art keywords
air conditioner
room temperature
temperature
control unit
compressor
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KR1019980024298A
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Korean (ko)
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강훈
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전주범
대우전자 주식회사
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Priority to KR1019980024298A priority Critical patent/KR20000003144A/en
Publication of KR20000003144A publication Critical patent/KR20000003144A/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
    • 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
    • F24F11/46—Improving electric energy efficiency or saving
    • 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
    • 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

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  • 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)
  • Air Conditioning Control Device (AREA)

Abstract

PURPOSE: A power save controlling method of an air conditioner is provided to reduce the power consumption by prevent the unnecessary operation of a blower fan by making the cooled air vent immediately by driving the blower fan. CONSTITUTION: A power save controlling method of an air conditioner comprises the steps of:accepting and judging (101) on the signal fed via an operation switch(30) and then performing the normal cooling operation of an air conditioner after a compressor(21), a cooling fan(22) and a blower fan(13) turned on according to the on-signals(102),(103),(104) by a control unit(50); judging(105) if the room temperature reaches the set up temperature by comparing and judging the detected temperature and the set up room temperature after accepting the detected temperature of the room temperature via a room temperature detection sensor(40) of the control unit(50); and suspending(106) of the cooling operation by turning off the compressor and the cooling fan via the control unit if the room temperature reaches the set up temperature, and judging if the predetermined temperature passes by the control unit.

Description

에어컨의 절전제어방법(A method for controlling the air-conditioner in order to reduce the power consumption)A method for controlling the air-conditioner in order to reduce the power consumption

본 발명은 에어컨의 절전제어방법에 관한 것으로서, 더욱 상세하게는 에어컨의 냉방능력 향상 및 소비전력의 감소를 이룰 수 있도록 한 에어컨의 절전제어방법에 관한 것이다.The present invention relates to a power saving control method of an air conditioner, and more particularly, to a power saving control method of an air conditioner to achieve an improved cooling capacity and a reduction in power consumption.

일반적으로, 에어컨은 창문형. 벽걸이형. 패키지형으로 구분되며 도3은 상기의 에어컨중 실내에 세워두는 형태의 패키지형 에어컨을 설명하기 위한 도면으로서, 패키지형 에어컨은 크게 실내기(10)와 실외기(20)로 구분되어 진다.Generally, air conditioners are windowed. Wall-mounted. 3 is a diagram for explaining a package type air conditioner in the form of standing in the room of the above air conditioner, the package type air conditioner is largely divided into the indoor unit 10 and the outdoor unit 20.

상기 실내기 본체(10)의 하부에는 실내공기를 흡입하는 흡입구(11)가 형성되어 있으며, 그 후방으로 는 주위의 열을 흡수하여 실내에 냉풍을 공급하는 증발기(14)가 설치되어 있다.The lower part of the indoor unit main body 10 is formed with a suction port 11 for sucking the indoor air, the rear of the indoor unit is provided with an evaporator 14 for absorbing the surrounding heat to supply cold air to the room.

또한, 실내기 본체(10) 상부에는 에어컨 내부에서 열교환된 냉풍이 토출되는 토출구(12)가 형성되어 있고, 본체(10)의 내측 중앙에는 상기 흡입구(11)를 통해 실내공기를 흡입하고, 상기 토출구(12)를 통해 열교환된 냉풍을 토출시키는 송풍팬(13)이 장착되어 있다.In addition, the upper part of the indoor unit main body 10 is formed with a discharge port 12 for discharging the cold air heat-exchanged inside the air conditioner, in the inner center of the main body 10 to suck the indoor air through the suction port 11, the discharge port The blowing fan 13 which discharges the cold air heat-exchanged via 12 is attached.

한편, 실외기 본체(20)의 일측으로 냉매를 압축하는 압축기(21)가 설치되어 있으며, 그 일측으로는 냉각팬(22)이 설치되고, 또한 상기 냉각팬(22)의 후방으로는 방출열을 외부로 내보내는 응축기(23)가 설치되어 있다.On the other hand, the compressor 21 for compressing the refrigerant is provided on one side of the outdoor unit main body 20, a cooling fan 22 is provided on one side thereof, and the heat of discharge is discharged to the rear of the cooling fan 22. The condenser 23 sent to the outside is provided.

상기와 같이 구성된 에어컨은 사용자의 온신호에 의해 전원이 공급되면, 모터(미도시됨)가 구동을 시작하고, 이에 따라 냉각팬(22)과 송풍팬(13)이 회전을 시작하며, 또한 압축기(21)에서 냉매가 고온.고압으로 압축된 다음 응축기(23)로 순환되면 냉각팬(22)의 회전으로 발생되는 바람에 의해 공냉되어 진다.In the air conditioner configured as described above, when power is supplied by the user's on signal, a motor (not shown) starts driving, and thus, the cooling fan 22 and the blowing fan 13 start rotating, and the compressor At 21, when the refrigerant is compressed to high temperature and high pressure and then circulated to the condenser 23, the refrigerant is air-cooled by the wind generated by the rotation of the cooling fan 22.

즉, 냉각팬(22)이 회전되면서 실외공기가 실외기 본체(20)내로 흡입된 다음 후방의 응축기(23)를 통과하게 되는데 이때 상기 응축기(23)에 강한 바람이 통과하면서 응축기(23)의 열을 외부로 방열시키게 된다.That is, as the cooling fan 22 rotates, outdoor air is sucked into the outdoor unit main body 20 and then passes through the rear condenser 23. At this time, strong wind passes through the condenser 23, causing the heat of the condenser 23 to flow. Will radiate heat to the outside.

또한, 응축기(23)에서 저온.저압으로 액화되어 응축된 냉매가 미도시된 팽창밸브을 거치면서 팽창되고, 따라서 팽창된 기체액체 혼합냉매가 실내기 본체(10)의 증발기(14)로 순환되어 이중 액체상태의 냉매가 증발하여 외부의 열을 흡수하게 되는 것이다.In addition, the refrigerant liquefied and condensed at low temperature and low pressure in the condenser 23 is expanded through an expansion valve (not shown), and thus the expanded gas liquid mixed refrigerant is circulated to the evaporator 14 of the indoor unit main body 10 so as to provide a double liquid. The refrigerant in the state is evaporated to absorb the external heat.

따라서, 송풍팬(13)이 회전되면서 실내공간부 내부로 흡입된 후 증발기(14)를 거치면서 냉각되며, 이 냉각된 실내공기가 토출부(12)를 거쳐 실내로 토출되어 실내가 냉방되어 지는 것이다.Accordingly, the blower fan 13 is rotated, sucked into the interior space part, and then cooled by passing through the evaporator 14. The cooled indoor air is discharged into the room through the discharge part 12 to cool the room. will be.

그러나, 상기와 같은 종래의 에어컨(1)은 실내온도에 따라 에어컨이 전체적으로 온. 오프를 반복하도록 구성되어 있다. 따라서 증발기(14)의 표면온도가 낮아서 냉각을 지속할 수 있더라도 송풍팬(13)이 오프되기 때문에 그 만큼의 효율이 감소하게 된다.However, in the conventional air conditioner 1 as described above, the air conditioner is turned on according to the room temperature as a whole. Configured to repeat off. Therefore, even though cooling can be continued because the surface temperature of the evaporator 14 is low, the blower fan 13 is turned off, so that the efficiency is reduced.

또한, 실내온도 상승에 따라 에어컨이 구동을 시작하면서 압축기(21) 및 송풍팬(13), 냉각팬(22)이 동시에 구동되므로서, 증발기(14)의 표면온도가 충분히 낮아지지 않은 상태에서 송풍팬(13)이 구동함에 따라 소비전력이 증가되는 것이 문제점으로 지적되고 있다.In addition, since the air conditioner starts to drive as the room temperature rises, the compressor 21, the blowing fan 13, and the cooling fan 22 are driven at the same time, so that the air is blown while the surface temperature of the evaporator 14 is not sufficiently lowered. It is pointed out that the problem is that the power consumption increases as the fan 13 is driven.

본 발명은 상기와 같은 문제점을 해결하기 위한 것으로, 에어컨 구동중 실내온도가 적정온도에 도달되어 압축기가 정지한 상태에서도 송풍팬을 일정시간 운전시켜 냉각을 지속하고, 실내온도가 상승되어 압축기가 구동을 시작한 후에도 증발기 표면온도가 충분히 낮아진 다음 송풍팬을 운전시키므로서 에어컨의 냉방능력 향상 및 소비전력 감소를 동시에 이룰 수 있도록 한 에어컨의 절전제어방법을 제공하는 것을 그 목적으로 한다.The present invention is to solve the above problems, the air conditioner while driving the air conditioner while driving the blower fan for a certain period of time even when the room temperature reaches the appropriate temperature and the compressor is stopped, the room temperature is raised to drive the compressor It is an object of the present invention to provide a power saving control method of an air conditioner that achieves an improvement in the cooling capacity of the air conditioner and a reduction in power consumption by operating the blower fan after the evaporator surface temperature is sufficiently lowered even after the start.

상기와 같은 목적을 달성하기 위하여 본 발명은 에어컨의 절전제어방법에 있어서, 사용자가 에어컨의 운전스위치를 온시켰나를 판단하는 제 1 단계 상기 제1단계에서 운전스위치가 온되었으면 제어부는 압축기를 온 시키고 이어 송풍팬 및 냉각팬을 온 시키켜 정상적인 냉방운전을 실시하는 제 2 단계; 상기 제2단계의 에어컨 정상구동시 실온검출센서로 부터 검출되는 실내온도를 인가받아 실내온도가 설정온도에 도달하였나를 판단하는 제 3 단계; 상기 제3단계에서 실내온도가 설정온도에 도달되었으면 제어부는 압축기 및 냉각팬을 오프시키고 기설정시간이 경과되었나를 판단하는 제 4 단계; 상기 제4단계에서 기설정시간이 경과되었으면 제어부는 송풍팬을 오프시키고 실내온도가 설정온도이상 상승되었나를 판단하는 제 5 단계; 상기 제5단계에서 실내온도가 설정온도이상 상승되었으면 제어부는 압축기 및 냉각팬을 온시키고 기설정시간이 경과되었나를 판단하는 제 6 단계; 상기 제6단계에서 기설정시간이 경과되었으면 제어부는 송풍팬을 온시키는 제 7 단계를 구비한 것을 특징으로 한다.In order to achieve the above object, the present invention provides a method for controlling power saving of an air conditioner. The first step of determining whether the user has turned on the operation switch of the air conditioner, if the operation switch is turned on in the first step, the controller turns on the compressor. A second step of turning on the blower fan and the cooling fan to perform normal cooling operation; A third step of determining whether the room temperature has reached the set temperature by receiving the room temperature detected by the room temperature detection sensor during the normal operation of the air conditioner of the second step; A fourth step of, when the indoor temperature reaches the set temperature in the third step, the controller turns off the compressor and the cooling fan and determines whether the preset time has elapsed; A fifth step of, if the preset time has elapsed in the fourth step, the controller turning off the blower fan and determining whether the room temperature has risen above the set temperature; A sixth step in which the control unit turns on the compressor and the cooling fan and determines whether the preset time has elapsed when the indoor temperature rises above the preset temperature in the fifth step; If the predetermined time has elapsed in the sixth step, the controller has a seventh step of turning on the blower fan.

도 1 은 본 발명에 따른 에어컨의 절전제어방법의 구성을 개략적으로 나타낸 블록도,1 is a block diagram schematically showing the configuration of a power saving control method for an air conditioner according to the present invention;

도 2 는 본 발명에 따른 에어컨의 절전제어방법의 흐름도,2 is a flowchart of a power saving control method for an air conditioner according to the present invention;

도 3 은 일반적인 에어컨을 설명하기 위한 도면이다.3 is a view for explaining a general air conditioner.

도면의 주요부분에 대한 부호의 설명Explanation of symbols for main parts of the drawings

1 : 에어컨 13 : 송풍팬1: air conditioner 13: blowing fan

21 : 압축기 22 : 냉각팬21 compressor 22 cooling fan

30 : 운전스위치 40 : 실온검출센서30: operation switch 40: room temperature detection sensor

50 : 제어부50: control unit

이하, 본 발명의 바람직한 일실시예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도1은 본 발명에 따른 에어컨의 절전제어방법의 구성을 개략적으로 나타낸 블럭도로서, 냉방운전을 위한 운전스위치(30)와 실내의 온도를 검출하기 위한 실온검출센서(40)가 제어부(50)에 각각 접속되어 있다.1 is a block diagram schematically showing the configuration of a power saving control method of an air conditioner according to the present invention, in which an operation switch 30 for cooling operation and a room temperature detection sensor 40 for detecting a room temperature are controlled by a controller 50. It is connected to each.

또한, 냉매가스를 고온.고압으로 압축하는 압축기(21)와 응축기(23)의 열을 외부로 방열시키기는 냉각팬(22)과 냉각된 공기를 실내로 토출시키는 송풍팬(13)이 제어부(50)의 제어를 받도록 각각 접속되어 있다.In addition, the compressor 21 for compressing the refrigerant gas at high temperature and high pressure, the cooling fan 22 for dissipating heat from the condenser 23 to the outside, and the blower fan 13 for discharging the cooled air to the inside of the control unit ( Are connected to each other under the control of 50).

도2는 본 발명에 따른 에어컨의 절전제어방법의 흐름도로서, 제어부(50)는 사용자가 에어컨(1)을 사용하고자 운전스위치(30)를 온시켰나를 판단하게 되는데, 이는 운전스위치(30) 통해 인가되는 온신호를 인가받아 판단하게 되며(101), 이어 제어부(50)는 온신호에 따라 압축기(21)와 냉각팬(22) 및 송풍팬(13)을 온시켜 에어컨의 정상적인 냉방운전을 실시하게 된다(102)(103)(104).2 is a flowchart of a power saving control method of an air conditioner according to the present invention, wherein the controller 50 determines whether the user has turned on the operation switch 30 to use the air conditioner 1, which is via the operation switch 30. In operation 101, the controller 50 turns on the compressor 21, the cooling fan 22, and the blower fan 13 according to the on signal to perform normal cooling operation of the air conditioner. (102) (103) (104).

이어, 제어부(50)는 실온검출센서(40)를 통해 실내공기의 검출온도를 인가받아 이 검출온도와 설정된 실내온도를 비교판단하여 실내온도가 설정온도에 도달하였나를 판단하게 된다(105).Subsequently, the control unit 50 receives the detection temperature of the indoor air through the room temperature detection sensor 40 and compares the detection temperature with the set indoor temperature to determine whether the room temperature has reached the set temperature (105).

상기 판단에서 실내온도가 설정온도에 도달되었으면 제어부(50)는 압축기(21) 및 냉각팬(22)을 오프시켜 냉방운전을 정지시키고(106), 이어 제어부(50)는 기설정된 시간이 경과하였나를 판단하게 된다.When the indoor temperature reaches the set temperature in the determination, the control unit 50 stops the cooling operation by turning off the compressor 21 and the cooling fan 22 (106), and then, does the control unit 50 have a predetermined time elapsed? Will be judged.

상기의 기설정시간은 압축기(21)가 오프되어도 증발기(14)의 표면온도는 낮은 상태를 일정시간 유지하게 된다. 따라서 이 낮은 온도가 유지되는 일정시간을 제어부(50)에 메모리한 후 이 시간을 카운트하는 것으로, 이 시간동안 송풍팬(13)을 운전시켜 냉방을 지속시키게 되는 것이며, 이 시간은 3분정도가 적당하다(107).In the preset time, the surface temperature of the evaporator 14 is kept low even when the compressor 21 is turned off. Therefore, the controller 50 stores a predetermined time at which the low temperature is maintained, and counts this time. During this time, the blower fan 13 is operated to continue cooling. This time is about 3 minutes. It is appropriate (107).

한편, 제어부(50)는 메모리된 기설정시간이 경과되었으면 송풍팬(13)을 오프시킨 후 실온검출센서(40)로 부터 검출되는 실내온도를 지속적으로 인가받아 실내온도가 설정온도 이상 상승되었나를 비교판단하게 된다(108)(109).On the other hand, the control unit 50 is turned off the blower fan 13 after the preset memory time has elapsed, and continuously receives the room temperature detected by the room temperature detection sensor 40 to determine whether the room temperature has risen above the set temperature. A comparison is made (108, 109).

상기 비교판단에 의해 실내온도가 설정온도 이상 상승되었으면, 제어부(50)는 압축기(21)와 냉각팬(22)을 온 시켜 냉방운전을 시작하며(110), 이어 제어부(50)는 기설정된 시간이 경과하였나를 판단하게 된다(111).If the indoor temperature is raised by the comparison determination above the set temperature, the control unit 50 starts the cooling operation by turning on the compressor 21 and the cooling fan 22 (110), and then the control unit 50 is a predetermined time It is determined whether this has elapsed (111).

상기 기설정된 시간은 압축기(21)가 온되어 냉방운전을 위한 냉동싸이클을 구성시 압축기(21) 구동에 따라 증발기(14)의 표면온도가 충분히 낮아지는 시간이 메모리된 것으로, 이 시간은 1분정도가 적당하며 제어부(50)에서 이 시간을 카운트한 후 송풍팬(13)을 온 시켜주므로서, 냉각된 공기를 바로 토출할 수 있어 종래서와 같이 송풍팬(13)의 불필요한 운전을 방지할 수 있는 것이다(112).The predetermined time is a time that the surface temperature of the evaporator 14 is sufficiently lowered when the compressor 21 is turned on to form a refrigeration cycle for cooling operation, and this time is 1 minute. After the time is counted by the control unit 50, the blower fan 13 is turned on, so that the cooled air can be discharged immediately, thereby preventing unnecessary operation of the blower fan 13 as in the related art. It may be 112.

상기와 같이 본 발명은 실내온도가 적정온도에 도달되어 압축기가 정지한 상태에서는 증발기의 표면온도는 낮은 상태를 유지하는 동안 송풍팬을 구동하여 냉방운동을 지속하므로서 냉방효율을 향상시키고, 또한 실내온도가 상승되어 압축기가 구동을 시작하면 증발기 표면온도가 충분히 낮아진 다음 송풍팬을 운전시켜 냉각된 공기를 바로 토출할 수 있도록 하여 송풍팬의 불필요한 운전을 방지할 수 있어 소비전력을 감소시킬 수 있다.As described above, the present invention improves the cooling efficiency by driving the blower fan while maintaining the cooling temperature while the surface temperature of the evaporator is kept low while the compressor is stopped because the indoor temperature reaches the proper temperature. When the compressor starts to be driven up, the surface temperature of the evaporator is sufficiently lowered, and then the blower fan is operated to discharge the cooled air immediately, thereby preventing unnecessary operation of the blower fan, thereby reducing power consumption.

Claims (1)

에어컨의 절전제어방법에 있어서, 사용자가 에어컨의 운전스위치(30)를 온시켰나를 판단하는 제 1 단계(101); 상기 제1단계에서 운전스위치(30)가 온되었으면 제어부(50)는 압축기(21)를 온 시키고 이어 송풍팬(13) 및 냉각팬(22)을 온 시키켜 정상적인 냉방운전을 실시하는 제 2 단계(102 내지 104); 상기 제2단계의 에어컨 정상구동시 실온검출센서(40)로 부터 검출되는 실내온도를 인가받아 실내온도가 설정온도에 도달하였나를 판단하는 제 3 단계(105); 상기 제3단계에서 실내온도가 설정온도에 도달되었으면 제어부(50)는 압축기(21) 및 냉각팬(22)을 오프시키고 기설정시간이 경과되었나를 판단하는 제 4 단계(106 내지 107); 상기 제4단계에서 기설정시간이 경과되었으면 제어부(50)는 송풍팬(13)을 오프시키고 실내온도가 설정온도이상 상승되었나를 판단하는 제 5 단계(108 내지 109); 상기 제5단계에서 실내온도가 설정온도이상 상승되었으면 제어부(50)는 압축기(21) 및 냉각팬(22)을 온시키고 기설정시간이 경과되었나를 판단하는 제 6 단계(110 내지111); 상기 제6단계에서 기설정시간이 경과되었으면 제어부(50)는 송풍팬(13)을 온시키는 제 7 단계(112)를 구비한 것을 특징으로 하는 에어컨의 절전제어방법.A power saving control method for an air conditioner, comprising: a first step (101) of determining whether a user has turned on an operation switch (30) of an air conditioner; When the operation switch 30 is turned on in the first step, the controller 50 turns on the compressor 21 and then turns on the blower fan 13 and the cooling fan 22 to perform a normal cooling operation. 102 to 104; A third step (105) of determining whether the room temperature has reached the set temperature by receiving the room temperature detected from the room temperature detection sensor (40) during normal operation of the air conditioner of the second step; If the room temperature reaches the set temperature in the third step, the controller 50 turns off the compressor 21 and the cooling fan 22 and determines whether the preset time has elapsed; If the predetermined time has elapsed in the fourth step, the control unit 50 turns off the blower fan 13 and determines whether the indoor temperature has risen above the set temperature (108 to 109); A sixth step (110 to 111) in which the control unit 50 turns on the compressor 21 and the cooling fan 22 and determines whether a preset time has elapsed when the room temperature has risen above the set temperature in the fifth step; If the predetermined time has elapsed in the sixth step, the control unit 50 has a seventh step (112) for turning on the blowing fan (13).
KR1019980024298A 1998-06-26 1998-06-26 Power save controlling of air conditioner KR20000003144A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964389A (en) * 2015-06-24 2015-10-07 广东美的制冷设备有限公司 Air conditioner, outdoor unit of air conditioner and power estimation control method and device for outdoor fan

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104964389A (en) * 2015-06-24 2015-10-07 广东美的制冷设备有限公司 Air conditioner, outdoor unit of air conditioner and power estimation control method and device for outdoor fan

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