KR100308561B1 - Duct operation device of air conditioner and its control method - Google Patents
Duct operation device of air conditioner and its control method Download PDFInfo
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- KR100308561B1 KR100308561B1 KR1019980028760A KR19980028760A KR100308561B1 KR 100308561 B1 KR100308561 B1 KR 100308561B1 KR 1019980028760 A KR1019980028760 A KR 1019980028760A KR 19980028760 A KR19980028760 A KR 19980028760A KR 100308561 B1 KR100308561 B1 KR 100308561B1
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- duct
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- indoor
- heat exchanger
- air conditioner
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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
- 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
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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
- F24F11/70—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
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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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
- F24F11/70—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
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
- F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
- F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
본 발명은 공기조화기의 덕트운전장치 및 그 제어방법에 관한 것으로, 실내팬에 의해 순환되는 공기를 열교환시키는 실내열교환기와, 상기 실내열교환기에서 열교환된 공기를 공기조화기 본체가 설치된 실내공간으로 토출시키는 토출구와, 상기 실내열교환기에서 열교환된 공기를 공기조화기 본체가 설치되지 않은 다른 공조공간으로 토출시키는 덕트관과, 상기 실내열교환기에서 열교환된 공기를 상기 덕트관으로 유입시키는 송풍팬을 구비한 공기조화기에 있어서, 상기 실내열교환기에서 열교환된 공기를 본체가 설치되지 않은 다른 공조공간으로 토출시키도록 덕트운전신호를 입력하는 덕트운전키와, 상기 덕트운전키의 조작에 따라 덕트운전신호가 입력되면 상기 실내열교환기에서 열교환된 공기가 상기 덕트관으로 유입되어 다른 공조공간으로 토출되도록 상기 송풍팬의 구동을 제어하는 제어수단과, 상기 제어수단의 제어신호에 따라 상기 송풍팬을 구동시키는 송풍팬모터구동수단으로 이루어져, 덕트운전시 실내온도와 설정온도에 따른 온도제어를 무시하고 공기조화기를 연속운전시킴으로써 덕트운전을 행하는 공조공간의 실내온도가 설정온도에 도달하지 못하여도 본체 설치장소가 설정온도에 도달하면 냉방운전을 중지시킴으로 발생하는 오동작을 방지할 수 있다.The present invention relates to a duct driving device and a control method of an air conditioner, an indoor heat exchanger for heat-exchanging air circulated by an indoor fan, and the air heat-exchanged in the indoor heat exchanger to an indoor space in which an air conditioner main body is installed. A discharge port for discharging, a duct pipe for discharging the air heat-exchanged in the indoor heat exchanger to another air conditioning space without an air conditioner main body, and a blower fan for introducing the air heat-exchanged in the indoor heat exchanger to the duct pipe. In the air conditioner provided, a duct operation key for inputting a duct operation signal to discharge the air heat exchanged in the indoor heat exchanger to another air conditioning space where the main body is not installed, and a duct operation signal according to the operation of the duct operation key. If is input, the air heat exchanged in the indoor heat exchanger is introduced into the duct pipe to another air conditioning space Control means for controlling the driving of the blower fan to be discharged, and blower fan motor driving means for driving the blower fan in accordance with the control signal of the control means, ignores the temperature control according to the room temperature and the set temperature during duct operation By operating the air conditioner continuously, even if the indoor temperature of the air conditioning space in which the duct operation is performed does not reach the set temperature, the malfunction caused by stopping the cooling operation when the main body installation place reaches the set temperature can be prevented.
Description
본 발명은 플렉시블한 덕트관을 설치하여 공기조화기 본체가 설치된 장소 이외의 공조공간을 냉난방시키는 공기조화기의 덕트운전에 관한 것으로, 특히 덕트운전시 실내온도와 설정온도에 따른 온도제어를 무시하고 공기조화기를 연속운전시키는 공기조화기의 덕트운전장치 및 그 제어방법에 관한 것이다.The present invention relates to the duct operation of the air conditioner for heating and cooling the air conditioning space other than the place where the air conditioner main body is installed by installing a flexible duct pipe, in particular, ignoring the temperature control according to the room temperature and the set temperature during the duct operation A duct driving device for an air conditioner for continuously operating an air conditioner and a control method thereof.
일반적으로, 공기조화기는 도 1에 도시한 바와같이, 실내공기가 흡입되는 다수의 흡입구(3)가 형성된 흡입그릴부재(5)가 실내기본체(1;이하, 본체라 한다)의 전면하부에 설치되어 있고, 상기 본체(1)의 전면상부에는 상기 흡입구(3)를 통해 흡입되어 냉풍 또는 온풍으로 열교환된 공기를 본체(1)가 설치된 실내공간으로 토출하는 토출구(7)가 형성되어 있다.In general, as shown in FIG. 1, the air conditioner is provided with a suction grille member 5 having a plurality of suction ports 3 through which indoor air is sucked, installed at the front lower part of an indoor main body 1 (hereinafter, referred to as a main body). In the upper part of the main body 1, the discharge port 7 which discharges the air sucked through the said suction port 3 and heat-exchanged by cold air or warm air to the indoor space in which the main body 1 is installed is formed.
그리고, 상기 토출구(7)에는 토출구(7)를 통해 실내로 토출되는 공기의 방향을 상하로 조절하는 상하풍향날개(9)와 좌우로 조절하는 좌우풍향날개(11)가 설치되어 있고, 상기 본체(1)의 전면에는 실내기의 외관을 미려하게 함과 동시에 내장물을 보호하는 커버부재(13)가 고착되어 있으며, 상기 커버부재(13)의 하측부에는 공기조화기의 운전모드(자동, 냉방, 제습, 송풍, 난방 등)와 운전의 시작/정지, 상기 토출구(7)를 통해 토출되는 공기의 풍량 및 풍향 등을 조절하는 조작부(15)가 구비되어 있다.In addition, the discharge port 7 is provided with a vertical wind vane 9 for adjusting the direction of the air discharged into the room through the discharge port 7 up and down and the left and right wind vane 11 for adjusting the left and right, the main body On the front surface of (1), the cover member 13 is fixed to the interior of the indoor unit and protects the interior. At the lower side of the cover member 13, the operation mode of the air conditioner (automatic, cooling) , Dehumidification, blowing, heating, etc.) and a start / stop of operation, and an operation unit 15 for adjusting the air volume and the air direction of the air discharged through the discharge port 7.
도 2에 도시한 바와같이, 상기 흡입그릴부재(5)의 내측에는 상기 흡입구(3)를 통해 흡입되는 실내공기에 부유하는 먼지등의 이물질을 필터링하는 필터부재(17)가 설치되어 있고, 상기 필터부재(17)의 내측에는 상기 필터부재(17)에 의해 필터링된 실내공기를 냉매의 증발잠열에 의해 냉풍으로 열교환시키도록 일자형상의 실내열교환기(19)가 설치되어 있다.As shown in FIG. 2, a filter member 17 is installed inside the suction grill member 5 to filter foreign substances such as dust floating in the indoor air sucked through the suction port 3. Inside the filter member 17, a linear indoor heat exchanger 19 is installed to heat-exchange the indoor air filtered by the filter member 17 with cold air by latent heat of evaporation of the refrigerant.
또한, 상기 실내열교환기(19)의 상부에는 상기 흡입구(3)를 통해 실내공기를 흡입함과 동시에 상기 실내열교환기(19)에서 열교환된 공기를 상기 토출구(7)를 통해 실내로 토출하도록 실내팬모터(21)의 구동에 따라 회전하는 블로워팬(23;이하, 실내팬이라 한다)이 설치되어 있고, 상기 실내팬(23)의 외측에는 상기 실내팬(23)을 카바함과 동시에 상기 흡입구(3)를 통해 흡입되어 상기 토출구(7)로 토출되는 공기의 흐름을 안내하는 덕트부재(25)가 설치되어 있다.In addition, the upper part of the indoor heat exchanger 19 sucks indoor air through the suction port 3 and simultaneously discharges air heat-exchanged in the indoor heat exchanger 19 to the room through the discharge port 7. A blower fan 23 (hereinafter, referred to as an indoor fan) that rotates as the fan motor 21 is driven is installed, and the suction port is provided at the same time as the indoor fan 23 is covered with an outer side of the indoor fan 23. The duct member 25 which guides the flow of the air which is sucked in through (3) and discharged to the said discharge port 7 is provided.
또, 상기 토출구(7)의 후면일측에는 상기 실내열교환기(19)에서 열교환된 공기를 본체(1)가 설치된 장소 이외의 다른 공조공간으로 토출시키는 냉기유출구(27)가 형성되어 있고, 상기 냉기유출구(27)에는 상기 냉기유출구(27)로 토출되는 냉기의 흐름을 안내하는 냉기안내부(29)가 결합되어 있다.In addition, a cold air outlet 27 is formed on one side of the rear side of the discharge port 7 to discharge the air heat exchanged by the indoor heat exchanger 19 to an air conditioning space other than the place where the main body 1 is installed. The outlet 27 is combined with a cold air guide 29 for guiding the flow of cold air discharged to the cold air outlet 27.
또, 상기 냉기유출구(27)에는 상기 냉기유출구(27)로 토출되는 냉기의 흐름을 안내하여 상기 본체(1)가 설치된 장소 이외의 원하는 다른 공조공간으로 냉기를 토출시키는 플렉시블한 덕트관(31)이 연통되게 결합되어 있고, 상기 덕트관(31)의 일측입구에는 상기 냉기유출구(27)를 통해 덕트관(31)으로 토출되는 냉기가 본체(1) 설치장소 이외의 다른 공조공간으로 토출되도록 송풍팬모터(33)의 구동에 따라 회전하는 송풍팬(35)이 설치되어 있다.In addition, the cold air outlet 27 guides the flow of cold air discharged to the cold air outlet 27 so as to discharge the cold air into a desired air conditioning space other than the place where the main body 1 is installed. It is coupled in communication with the air inlet so that the cold air discharged to the duct pipe 31 through the cold air outlet 27 in one side inlet of the duct pipe 31 is discharged to the air conditioning space other than the installation place of the main body (1) The blowing fan 35 which rotates in accordance with the drive of the fan motor 33 is provided.
상기와 같이 구성된 냉난방겸용의 공기조화기에 있어서, 사용자가 리모콘이나 조작부(15)를 조작하여 운전/정지키(이하, 운전키라 한다)를 누른다음 원하는 운전모드(예를들면, 냉방)와 설정온도(Ts)를 입력하면, 실내팬모터(21)의 구동에 따라 실내팬(23)이 회전하면서 흡입구(3)를 통해 실내공기가 본체(1)내로 흡입된다.In the above-described air conditioning and air conditioner, the user operates the remote controller or the control unit 15 to press the operation / stop key (hereinafter referred to as the operation key), and then the desired operation mode (for example, cooling) and the set temperature. When Ts is input, the indoor fan 23 is sucked into the main body 1 through the suction port 3 while the indoor fan 23 rotates in response to the driving of the indoor fan motor 21.
상기 흡입구(3)를 통해 흡입된 실내공기의 온도(Tr;이하, 실내온도라 한다)와 설정온도(Ts)를 비교하여 실내온도(Tr)가 설정온도(Ts)보다 높은 경우 설정온도(Ts)와 실내온도(Tr)의 차에 따라 압축기의 운전주파수를 결정하여 압축기를 온시킨다.When the indoor temperature Tr is higher than the set temperature Ts by comparing the temperature Tr of the indoor air sucked through the suction port 3 with the set temperature Ts, the set temperature Ts. ) And the operation frequency of the compressor according to the difference between the room temperature (Tr) and turn on the compressor.
상기 압축기가 온되면, 냉매의 순환에 따라 실내열교환기(19)가 냉각되므로 흡입구(3)를 통해 본체(1)내로 흡입된 실내공기가 실내열교환기(19)를 통과하면서 실내열교환기(19)내에 흐르는 냉매의 증발잠열에 의해 냉풍으로 열교환되고, 실내열교환기(19)에서 열교환된 냉풍은 덕트부재(25)의 안내를 받아 상부로 안내된다.When the compressor is turned on, the indoor heat exchanger 19 is cooled according to the circulation of the refrigerant, so that the indoor air sucked into the main body 1 through the suction port 3 passes through the indoor heat exchanger 19 and the indoor heat exchanger 19. Heat exchanged into the cold air by the latent heat of evaporation of the refrigerant flowing in the c), the cold air heat exchanged in the indoor heat exchanger 19 is guided to the upper side under the guidance of the duct member (25).
이때, 토출구(7)의 후면일측에 설치된 덕트관(31)내의 송풍팬(35)이 오프 상태이므로 상부로 안내된 냉풍은 냉기유출구(27)를 통해 덕트관(31)으로 토출되지 않고, 토출구(7)를 통해 본체(1)가 설치된 실내공간으로 토출되면서 상하풍향날개(9) 및 좌우풍향날개(11)의 풍향각도에 따라 상하 또는 좌우로 풍향이 조절되어 냉방운전을 행한다.At this time, since the blowing fan 35 in the duct pipe 31 installed on one side of the discharge port 7 is turned off, the cold air guided upward is not discharged to the duct pipe 31 through the cold air outlet 27, and the discharge hole is discharged. (7) while the main body 1 is discharged to the indoor space is installed in accordance with the wind direction angle of the up and down wind direction wing 9 and the left and right wind direction wing 11 is adjusted to perform the cooling operation.
반면, 사용자가 덕트운전을 선택하면, 송풍팬모터(33)가 구동되어 송풍팬(35)이 회전하므로 실내열교환기(19)에서 열교환된 찬 공기가 냉기안내부(29)의 안내에 따라 냉기유출구(27)로 강제 유입되고, 상기 냉기유출구(27)로 유입된 냉기는 덕트관(31)을 통해 안내되어 본체(1)가 설치된 장소 이외의 다른 공조공간으로 토출되어 본체(1) 설치장소 이외의 다른 공조공간을 냉방시킨다.On the other hand, when the user selects the duct operation, the blower fan motor 33 is driven to rotate the blower fan 35 so that the cold air heat exchanged in the indoor heat exchanger 19 is cold air according to the guidance of the cold air guide unit 29. Forced flow into the outlet 27, the cold air flowed into the cold air outlet 27 is guided through the duct pipe 31 is discharged to the air conditioning space other than the place where the main body 1 is installed to place the main body (1) Cool other air conditioning spaces.
그런데, 이와같은 종래 공기조화기의 덕트운전에 있어서는, 본체(1)가 설치된 장소의 실내온도를 감지하여 실내온도(Tr)와 설정온도(Ts)에 따른 온도제어로 냉방(또는 난방)운전을 수행하기 때문에 덕트운전을 행하는 공조공간의 실내온도(Tr)는 설정온도(Ts)에 도달하지 못하여 냉방운전을 계속 수행해야 하나, 본체(1)가 설치된 장소의 실내온도(Tr)가 설정온도(Ts)에 도달하면 압축기를 오프시켜 냉방운전을 정지하므로 덕트관(33)이 설치된 공조공간의 온도조건에 따라 오동작이 발생한다는 문제점이 있었다.By the way, in the duct operation of the conventional air conditioner, the cooling (or heating) operation is performed by sensing the room temperature at the place where the main body 1 is installed and controlling the temperature according to the room temperature Tr and the set temperature Ts. Since the indoor temperature Tr of the air conditioning space in which the duct operation is performed does not reach the set temperature Ts, the cooling operation should be continued, but the room temperature Tr of the place where the main body 1 is installed is set to the set temperature ( When Ts) is reached, there is a problem that a malfunction occurs according to the temperature condition of the air conditioning space in which the duct pipe 33 is installed because the compressor is turned off and the cooling operation is stopped.
따라서, 본 발명은 상술한 종래의 문제점을 해결하기 위하여 안출된 것으로, 덕트운전시 실내온도와 설정온도에 따른 온도제어를 무시하고 공기조화기를 연속운전시킴으로써 덕트운전을 행하는 공조공간의 실내온도가 설정온도에 도달하지 못하여도 본체 설치장소가 설정온도에 도달하면 냉방운전을 중지시킴으로 발생하는 오동작을 방지할 수 있는 공기조화기의 덕트운전장치 및 그 제어방법을 제공하는데 그 목적이 있다.Accordingly, the present invention has been made in order to solve the above-described conventional problems, and the indoor temperature of the air conditioning space for duct operation is set by continuously operating the air conditioner while ignoring the temperature control according to the room temperature and the set temperature during the duct operation. It is an object of the present invention to provide a duct driving device and a control method of an air conditioner capable of preventing a malfunction caused by stopping the cooling operation when the installation place reaches the set temperature even if the temperature is not reached.
상기 목적을 달성하기 위하여 본 발명에 의한 공기조화기의 덕트운전장치는, 실내팬에 의해 순환되는 공기를 열교환시키는 실내열교환기와, 상기 실내열교환기에서 열교환된 공기를 공기조화기 본체가 설치된 실내공간으로 토출시키는 토출구와, 상기 실내열교환기에서 열교환된 공기를 공기조화기 본체가 설치되지 않은 다른 공조공간으로 토출시키는 덕트관과, 상기 실내열교환기에서 열교환된 공기를 상기 덕트관으로 유입시키는 송풍팬을 구비한 공기조화기에 있어서, 상기 실내열교환기에서 열교환된 공기를 본체가 설치되지 않은 다른 공조공간으로 토출시키도록 덕트운전신호를 입력하는 덕트운전키와, 상기 덕트운전키의 조작에 따라 덕트운전신호가 입력되면 상기 실내열교환기에서 열교환된 공기가 상기 덕트관으로 유입되어 다른 공조공간으로 토출되도록 상기 송풍팬의 구동을 제어하는 제어수단과, 상기 제어수단의 제어신호에 따라 상기 송풍팬을 구동시키는 송풍팬모터구동수단으로 이루어진 것을 특징으로 한다.In order to achieve the above object, a duct driving apparatus of an air conditioner according to the present invention includes an indoor heat exchanger for heat-exchanging air circulated by an indoor fan, and an indoor space in which an air conditioner body exchanges air exchanged in the indoor heat exchanger. A discharge port for discharging air, a duct pipe for discharging the air heat-exchanged in the indoor heat exchanger to another air conditioning space without an air conditioner main body, and a blower fan for introducing the air heat-exchanged in the indoor heat exchanger to the duct pipe. In the air conditioner provided with a duct operation key for inputting a duct operation signal to discharge the air heat exchanged in the indoor heat exchanger to another air conditioning space not installed in the main body, the duct operation in accordance with the operation of the duct operation key When the signal is input, the air heat exchanged in the indoor heat exchanger flows into the duct pipe and the other air conditioning Characterized in that to discharge the liver consists of blowing fan motor driving means for driving the blowing fan in accordance with a control signal of the control means, the control means for controlling the driving of the blowing fan.
또한, 본 발명에 의한 공기조화기의 덕트운전 제어방법은, 실내팬에 의해 순환되는 공기를 열교환시켜 토출구를 통해 공기조화기 본체가 설치된 실내공간으로 토출시키는 공기조화기의 운전방법에 있어서, 상기 공기조화기 본체가 설치된 실내공간의 온도를 감지하여 실내온도 및 설정온도의 비교결과에 따라 압축기를 온/오프제어하여 냉난방운전을 행하는 냉난방운전단계와, 상기 냉난방운전시 덕트운전키의 조작에 따라 덕트운전신호가 입력되었는지를 판별하는 덕트운전판별단계와, 상기 덕트운전판별단계에서 덕트운전신호가 입력되었다고 판별되면 상기 압축기를 연속운전시킴과 동시에 송풍팬을 구동시켜 상기 실내열교환기에서 열교환된 공기를 덕트관을 통해 상기 공기조화기 본체가 설치되지 않은 다른 공조공간으로 토출시키는 덕트운전단계로 이루어진 것을 특징으로 한다.In addition, the duct operation control method of the air conditioner according to the present invention, in the operation method of the air conditioner for heat-exchanging the air circulated by the indoor fan to discharge through the discharge port to the indoor space where the air conditioner main body is installed, Air-conditioning operation step that detects the temperature of the indoor space where the air conditioner main body is installed and performs the heating / cooling operation by controlling the compressor on / off according to the comparison result of the indoor temperature and the set temperature, and according to the operation of the duct operation key during the air-conditioning operation If it is determined that the duct operation signal is input, and if it is determined that the duct operation signal is input in the duct operation determination step, the compressor is continuously operated and the blower fan is driven to drive the air exchanged in the indoor heat exchanger. To discharge air through the duct pipe to another air conditioning space where the air conditioner main body is not installed It is characterized by consisting of the previous step.
도 1은 일반적인 공기조화기의 실내기를 도시한 사시도,1 is a perspective view showing an indoor unit of a general air conditioner,
도 2는 일반적인 공기조화기에서 덕트운전을 수행하는 실내기를 도시한 종단면도,Figure 2 is a longitudinal sectional view showing an indoor unit for performing a duct operation in a general air conditioner,
도 3은 본 발명의 일실시예에 의한 공기조화기의 덕트운전장치의 제어블록도,3 is a control block diagram of a duct driving apparatus of an air conditioner according to an embodiment of the present invention;
도 4는 본 발명에 의한 공기조화기의 덕트운전 제어동작순서를 도시한 플로우챠트.Figure 4 is a flow chart showing a duct operation control operation procedure of the air conditioner according to the present invention.
<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>
3 : 흡입구 7 : 토출구3: inlet port 7: outlet port
23 : 실내팬 31 : 덕트관23: indoor fan 31: duct pipe
33 : 송풍팬모터 35 : 송풍팬33: blower fan motor 35: blower fan
102 : 운전조작수단 104 : 제어수단102: operation operation means 104: control means
120 : 압축기구동수단 124 : 실외팬모터구동수단120: compressor driving means 124: outdoor fan motor driving means
126 : 실내팬모터구동수단 128 : 송풍팬모터구동수단126: indoor fan motor driving means 128: blowing fan motor driving means
이하, 본 발명의 일실시예를 첨부된 도면을 참조하여 상세히 설명한다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
본 발명에 의한 공기조화기는 도 1 및 도 2에 도시한 일반적인 공기조화기의 구성과 동일하므로 동일명칭 및 동일부호를 명기하여 중복되는 설명을 생략한다.The air conditioner according to the present invention is the same as the configuration of the general air conditioner shown in Figs. 1 and 2, and the same description and the same reference numerals will be omitted to omit description.
도 3에 도시한 바와같이, 전원수단(100)은 도시되지 않은 교류전원단으로부터 공급되는 상용교류전압을 상기 공기조화기의 동작에 필요한 소정의 직류전압으로 변환하여 출력하고, 운전조작수단(102)은 공기조화기의 운전모드(자동, 냉방, 제습, 송풍, 난방 등)와 상기 토출구(7)를 통해 토출되는 공기의 풍량(강풍, 약풍, 미풍 등) 및 풍향, 설정온도(Ts)를 입력하는 다수의 기능키를 구비함은 물론, 공기조화기의 운전을 온/오프시키는 운전키와, 상기 공기조화기의 덕트운전을 온/오프시키는 덕트운전키를 구비하는 것으로, 이 운전조작수단(102)은 본체(1)의 콘트롤판넬상에 구비된 조작부(15)와, 도시되지 않은 리모콘의 키조작에 따라 리모콘으로부터 송신되는 적외선신호를 수신하는 리모콘신호수신부(103)로 구성되어 있다.As shown in FIG. 3, the power supply means 100 converts a commercial AC voltage supplied from an AC power supply terminal (not shown) into a predetermined DC voltage necessary for the operation of the air conditioner, and outputs the same. Inputs the operation mode of the air conditioner (automatic, cooling, dehumidification, blowing, heating, etc.), the amount of air discharged through the discharge port (strong wind, weak wind, breeze, etc.), wind direction, and set temperature (Ts). And a plurality of function keys, as well as an operation key for turning on / off the operation of the air conditioner and a duct operation key for turning on / off the duct operation of the air conditioner. 102 is composed of an operation unit 15 provided on the control panel of the main body 1, and a remote control signal receiver 103 for receiving an infrared signal transmitted from a remote control unit in accordance with key operation of a remote controller (not shown).
그리고, 제어수단(104)은 상기 전원수단(100)으로부터 출력되는 직류전압을 인가받아 상기 공기조화기를 초기화시킴은 물론, 상기 운전조작수단(102)에 의해 입력된 운전선택신호에 따라 상기 공기조화기의 전체적인 동작을 제어하는 마이크로컴퓨터로서, 이 제어수단(104)은 상기 덕트운전키의 덕트운전신호에 따라 덕트관(31)내에 설치된 송풍팬모터(33)에 인가되는 전원을 제어하여 본체(1)가 설치된 장소이외의 다른 공조공간으로 실내열교환기(19)에서 열교환된 공기를 토출시키는 덕트운전을 제어한다.And, the control means 104 is applied to the DC voltage output from the power supply means 100 to initialize the air conditioner, as well as the air conditioning in accordance with the operation selection signal input by the operation operation means (102) As a microcomputer for controlling the overall operation of the machine, the control means 104 controls the power applied to the blower fan motor 33 installed in the duct pipe 31 in accordance with the duct operation signal of the duct operation key. Control the duct operation to discharge the heat exchanged air from the indoor heat exchanger 19 to the air conditioning space other than the place where 1) is installed.
실내온도감지수단(106)은 상기 운전조작수단(102)에 의해 사용자가 설정한 온도(Ts)로 실내온도를 제어하여 상기 공기조화기의 냉난방운전을 수행하도록 흡입구(3)를 통해 흡입되는 실내공기의 온도(Tr)를 감지하여 상기 제어수단(104)에 출력한다.The indoor temperature sensing means 106 controls the indoor temperature to the temperature Ts set by the user by the operation manipulation means 102 to perform the cooling and heating operation of the air conditioner. The temperature Tr of air is sensed and output to the control means 104.
압축기구동수단(120)은 상기 운전조작수단(102)에 의해 사용자가 설정한 온도(Ts) 및 상기 실내온도감지수단(106)에 의해 감지된 실내온도(Tr)의 차에 따라 상기 제어수단(104)으로부터 출력되는 제어신호를 받아서 압축기(121)를 구동제어하고, 풍향조절수단(122)은 상기 운전조작수단(102)에 의해 사용자가 설정한 풍향에 따라 토출구(7)를 통해 토출되는 공기의 방향을 조절하도록 상기 제어수단(104)으로부터 출력되는 펄스신호를 입력받아 스텝핑모터(123)를 구동하여 상하 및 좌우풍향날개(9,11)를 이동시킨다.The compressor driving means 120 may control the control means according to the difference between the temperature Ts set by the user by the driving operation means 102 and the room temperature Tr sensed by the room temperature sensing means 106. Receiving a control signal output from the 104 drive control the compressor 121, the wind direction control means 122 is the air discharged through the discharge port 7 in accordance with the wind direction set by the user operation means 102 The pulse signal output from the control means 104 is adjusted to adjust the direction of the driving stepping motor 123 to move the up and down and left and right wind vanes (9, 11).
실외팬모터구동수단(124)은 상기 운전조작수단(102)에 의해 사용자가 설정한 온도(Ts) 및 상기 실내온도감지수단(106)에 의해 감지된 실내온도(Tr)의 차에 따라 상기 제어수단(104)으로부터 출력되는 제어신호를 받아서 실외열교환기에서 열교환된 공기를 실외로 송풍하도록 실외팬모터의 회전수를 제어하여 실외팬(125)을 구동제어하고, 실내팬모터구동수단(126)은 상기 운전조작수단(102)에 의해 사용자가 설정한 풍량에 따라 상기 제어수단(104)으로부터 출력되는 제어신호를 받아서 상기 실내열교환기(19)에서 열교환된 공기(냉풍 또는 온풍)를 실내로 송풍하도록 실내팬모터(21)의 회전수를 제어하여 실내팬(23)을 구동제어한다.The outdoor fan motor driving means 124 is controlled according to the difference between the temperature Ts set by the user by the driving operation means 102 and the room temperature Tr sensed by the indoor temperature sensing means 106. Receiving a control signal output from the means 104 to drive the outdoor fan 125 by controlling the rotation speed of the outdoor fan motor to blow the air heat-exchanged in the outdoor heat exchanger to the outside, the indoor fan motor driving means 126 Receives a control signal output from the control means 104 according to the air volume set by the user by the operation operation means 102 and blows the air (cold or hot air) heat exchanged in the indoor heat exchanger 19 to the room By controlling the rotational speed of the indoor fan motor 21 to drive control the indoor fan (23).
또한 도면에 있어서, 송풍팬모터구동수단(128)은 상기 운전조작수단(102)의 덕트운전키 온/오프선택에 따라 상기 실내열교환기(19)에서 열교환된 공기를 본체(1)가 설치된 장소 이외의 다른 공조공간으로 토출시키도록 상기 제어수단(104)으로부터 출력되는 제어신호를 입력받아 송풍팬모터(33)의 회전수를 제어하여 송풍팬(35)을 구동시키고, 표시수단(130)은 상기 제어수단(104)의 제어에 따라 상기 운전조작수단(102)에 의해 입력된 운전선택모드(자동, 냉방, 제습, 송풍, 난방 등)를 표시함은 물론, 상기 공기조화기의 운전상태를 표시한다.In addition, in the drawing, the blower fan motor driving means 128 is a place where the main body 1 is installed with the air heat exchanged in the indoor heat exchanger 19 according to the on / off selection of the duct operation key of the driving operation means 102. The blower fan 35 is driven by receiving the control signal output from the control means 104 to discharge the air to the other air conditioning space, thereby controlling the rotation speed of the blower fan motor 33, and the display means 130 In addition to displaying the operation selection mode (automatic, cooling, dehumidifying, blowing, heating, etc.) input by the driving operation means 102 under the control of the control means 104, the operation state of the air conditioner is displayed. Display.
이하, 상기와 같이 구성된 공기조화기의 덕트운전장치 및 그 제어방법의 작용효과를 설명한다.Hereinafter, the operation and effect of the duct operation apparatus and control method of the air conditioner configured as described above will be described.
도 4는 본 발명에 의한 공기조화기의 덕트운전 제어 동작순서를 도시한 플로우챠트로써, 도 4에서 S는 스텝(STEP)을 표시한다.FIG. 4 is a flowchart showing the operation procedure of the duct operation control of the air conditioner according to the present invention, in which S denotes a step.
먼저, 공기조화기에 전원이 인가되면, 전원수단(100)에서는 도시되지 않은 교류전원단으로부터 공급되는 상용교류전압을 상기 공기조화기의 구동에 필요한 소정의 직류전압으로 변환하여 각 구동회로 및 제어수단(104)에 출력한다.First, when power is applied to the air conditioner, the power supply means 100 converts a commercial AC voltage supplied from an AC power terminal (not shown) into a predetermined DC voltage required for driving the air conditioner, thereby driving each circuit and control means ( Output to 104).
따라서, 스텝S1에서는 상기 전원수단(100)으로부터 출력되는 직류전압을 제어수단(104)에서 입력받아 공기조화기를 초기화시킨다.Therefore, in step S1, the DC voltage output from the power supply means 100 is input from the control means 104 to initialize the air conditioner.
이때, 사용자가 운전조작수단(102)을 조작하여 운전키를 누른다음 원하는 공기조화기의 운전모드(예를들면, 냉방)와 설정온도(Ts), 설정풍량을 입력하면, 상기 운전조작수단(102)으로부터 운전선택신호 및 운전시작신호(이하, 운전신호라 한다)가 제어수단(104)에 입력된다.At this time, when the user operates the operation operation means 102 and presses the operation key, and inputs a desired operation mode (for example, cooling), a set temperature (Ts), and a set air volume of the air conditioner, the operation operation means ( From the 102, an operation selection signal and an operation start signal (hereinafter referred to as operation signal) are input to the control means 104.
이에 따라, 스텝S2에서 제어수단(104)은 상기 운전조작수단(102)으로부터 운전신호가 입력되었는지를 판별하여, 운전신호가 입력되지 않은 경우(NO일 경우)에는 공기조화기를 운전대기상태로 유지하면서 스텝S2이하의 동작을 반복수행한다.Accordingly, in step S2, the control means 104 determines whether the driving signal is input from the driving operation means 102, and maintains the air conditioner in the operation standby state when the driving signal is not input (NO). The operation of step S2 and below is repeated.
상기 스텝S2에서의 판별결과, 운전신호가 입력된 경우(YES일 경우)에는 스텝S3으로 나아가서 제어수단(104)은 운전조작수단(102)에 의해 입력된 운전조건이 냉방운전인가를 판별하여, 냉방운전이 아닌 경우(NO일 경우)에는 스텝S31로 나아가서 선택된 운전모드에 따라 공기조화기의 운전을 수행하면서 상기 스텝S3으로 복귀하여 스텝S3이하의 동작을 반복수행한다.As a result of the discrimination in step S2, when an operation signal is input (YES), the control means 104 determines whether or not the operation condition input by the operation operation means 102 is a cooling operation. If it is not the cooling operation (NO), the flow advances to step S31 to return to step S3 while performing the operation of the air conditioner in accordance with the selected operation mode, and repeats the operations of step S3 and below.
상기 스텝S3에서의 판별결과, 냉방운전인 경우(YES일 경우)에는 공기조화기의 냉방운전을 수행하기위해 스텝S4로 나아가서 제어수단(104)은 실내팬(23)을 구동하기위한 제어신호를 실내팬모터구동수단(126)에 출력한다.As a result of the discrimination in step S3, in the case of the cooling operation (YES), the control means 104 proceeds to step S4 to perform the cooling operation of the air conditioner, and the control means 104 supplies a control signal for driving the indoor fan 23. Output to the indoor fan motor driving means (126).
이에 따라, 실내팬모터구동수단(126)은 사용자가 설정한 풍량에 따라 실내팬모터(21)의 회전수를 제어하여 실내팬(23)을 온시킨다.Accordingly, the indoor fan motor driving means 126 controls the rotation speed of the indoor fan motor 21 according to the air volume set by the user to turn on the indoor fan 23.
상기 실내팬(23)이 온되면, 흡입구(3)를 통해 실내공기가 본체(1)내로 흡입되기 시작하는데, 이때에 본체(1)내로 흡입되는 실내공기의 온도(Tr)를 실내온도감지수단(106)에서 감지한다.When the indoor fan 23 is turned on, the indoor air starts to be sucked into the main body 1 through the suction port 3, and at this time, the indoor temperature (Tr) of the indoor air sucked into the main body 1 is measured by the indoor temperature. Detect at 106.
이때, 스텝S5에서는 소정시간(압축기를 보호하기위한 지연시간, 약 3분 정도)이 경과하였는지를 판별하여, 소정시간이 경과하지 않은 경우(NO일 경우)에는 소정시간이 경과할때까지 스텝S5이하의 동작을 반복수행한다.At this time, in step S5, it is determined whether the predetermined time (delay time for protecting the compressor, about 3 minutes) has elapsed, and if the predetermined time has not elapsed (NO), the step S5 or less until the predetermined time elapses. Repeat the operation.
상기 스텝S5에서의 판별결과, 소정시간이 경과한 경우(YES일 경우)에는 스텝S6으로 나아가서 제어수단(104)은 상기 실내온도감지수단(106)에 의해 감지된 실내온도(Tr)의 아날로그데이터를 입력받아 디지털로 변환시킨다음 실내온도(Tr)가 설정온도(Ts)보다 큰가를 판별하여, 실내온도(Tr)가 설정온도(Ts)보다 크지 않은 경우(NO일 경우)에는 실외기의 운전동작을 대기하면서 상기 스텝S5로 복귀하여 스텝S5이하의 동작을 반복수행한다.As a result of the discrimination in step S5, when a predetermined time has elapsed (YES), the process proceeds to step S6, whereby the control means 104 detects analog data of the room temperature Tr detected by the room temperature sensing means 106. FIG. After converting to digital, it determines whether the room temperature (Tr) is greater than the set temperature (Ts) .If the room temperature (Tr) is not greater than the set temperature (Ts) (if NO), the outdoor unit operates. The process returns to step S5 and waits for to repeat the operation of step S5 or less.
상기 스텝S6에서의 판별결과, 실내온도(Tr)가 설정온도(Ts)보다 큰 경우(YES일 경우)에는 스텝S7로 나아가서 제어수단(104)은 실내온도(Tr)와 설정온도(Ts)의 차에 따라 압축기(121)의 운전주파수와 실외팬모터의 회전수를 결정하여 압축기(121)와 실외팬(125)을 구동하기위한 제어신호를 압축기구동수단(120)과 실외팬모터구동수단(124)에 출력한다.As a result of the discrimination in step S6, when the room temperature Tr is greater than the set temperature Ts (YES), the process proceeds to step S7, whereby the control means 104 determines the indoor temperature Tr and the set temperature Ts. The driving frequency of the compressor 121 and the number of rotations of the outdoor fan motor are determined according to the difference, and control signals for driving the compressor 121 and the outdoor fan 125 are supplied to the compressor driving means 120 and the outdoor fan motor driving means ( 124).
따라서, 상기 압축기구동수단(120)에서는 제어수단(104)에서 결정된 운전주파수에 따라 압축기(121)를 온시키고, 실외팬모터구동수단(124)에서는 제어수단(104)에서 결정된 회전수에 따라 실외팬(125)을 온시킨다.Accordingly, the compressor driving means 120 turns on the compressor 121 according to the operating frequency determined by the control means 104, and the outdoor fan motor driving means 124 outdoors according to the rotation speed determined by the control means 104. Turn on the fan 125.
상기 압축기(121)와 실외팬(125)이 온되면, 냉매의 순환에 따라 실내열교환기(19)가 냉각되므로 스텝S8에서는 실내팬(23)의 회전력에 의해 흡입구(3)를 통해 본체(1)내로 흡입된 실내공기가 실내열교환기(19)를 통과하면서 실내열교환기(19)내에 흐르는 냉매의 증발잠열에 의해 냉풍으로 열교환되고, 실내열교환기(19)에서 열교환된 냉풍은 덕트부재(25)의 안내를 받아 상부로 안내된다.When the compressor 121 and the outdoor fan 125 are turned on, the indoor heat exchanger 19 is cooled according to the circulation of the refrigerant. In step S8, the main body 1 is formed through the suction port 3 by the rotational force of the indoor fan 23. The indoor air sucked into the heat exchanger is heat-exchanged with cold air by latent heat of evaporation of the refrigerant flowing in the indoor heat exchanger 19 while passing through the indoor heat exchanger 19, and the cold air heat-exchanged by the indoor heat exchanger 19 is the duct member 25. ) Is guided to the top with guidance.
이때, 토출구(7)의 후면일측에 설치된 덕트관(31)내의 송풍팬모터(33)가 오프 상태이므로 상부로 안내된 냉풍은 냉기유출구(27)를 통해 덕트관(31)으로 토출되지 않고, 토출구(7)를 통해 본체(1)가 설치된 실내공간으로 토출되면서 상하풍향날개(9) 및 좌우풍향날개(11)의 풍향각도에 따라 상하 또는 좌우로 풍향이 조절되어 실내냉방을 행한다.At this time, since the blowing fan motor 33 in the duct pipe 31 installed on one side of the discharge port 7 is turned off, the cold air guided upward is not discharged to the duct pipe 31 through the cold air outlet 27. While the main body 1 is discharged through the discharge port 7, the air direction is controlled up and down or left and right according to the wind direction angle of the up and down wind vane 9 and the left and right wind vane 11, thereby cooling the room.
상기와 같이 실내냉방이 일정시간 수행되면, 실내공기의 온도가 점차 낮아지므로 이때의 변화하는 실내온도(Tr)를 감지하여 실내온도(Tr)가 설정온도(Ts)에 도달하면 압축기(121)를 오프시킨다.When the indoor cooling is performed for a predetermined time as described above, since the temperature of the indoor air gradually decreases, the compressor 121 is detected when the indoor temperature Tr reaches the set temperature Ts by detecting the changing room temperature Tr at this time. Turn it off.
상기 압축기(121)가 오프됨에 따라 실내공기의 온도(Tr)가 점차 높아져 실내온도(Tr)가 설정온도(Ts) + 1℃에 도달하면 압축기(121)를 다시 온시켜 실내온도(Tr)를 설정온도(Ts)로 낮추는 과정을 반복하여 실내온도(Tr)를 설정온도(Ts)로 유지시키는 냉방운전을 행한다.As the compressor 121 is turned off, the temperature Tr of the indoor air gradually increases, and when the room temperature Tr reaches the set temperature Ts + 1 ° C., the compressor 121 is turned on again to increase the room temperature Tr. The cooling operation is performed to maintain the room temperature Tr at the set temperature Ts by repeating the process of lowering the set temperature Ts.
상기와 같은 공기조화기의 냉방운전시에, 스텝S9에서는 운전조작수단(102)의 덕트운전키가 온되었는지를 판별하여, 덕트운전키가 온되지 않은 경우(NO일 경우)에는 상기 스텝S8로 복귀하여 냉방운전을 계속해서 수행하면서 스텝S8이하의 동작을 반복수행한다.In the cooling operation of the air conditioner as described above, in step S9, it is determined whether the duct operation key of the operation operation means 102 is turned on, and if the duct operation key is not turned on (NO), the flow goes to step S8. The operation of step S8 and below is repeated while returning and continuing cooling operation.
상기 스텝S9에서의 판별결과, 덕트운전키가 온된 경우(YES일 경우)에는 본체(1)가 설치된 장소와 실내열교환기(19)에서 열교환된 공기를 덕트관(31)을 통해 토출시키는 공조공간이 서로 다르므로 스텝S10으로 나아가서 제어수단(104)은 송풍팬(35)을 구동하기위한 제어신호를 송풍팬모터구동수단(128)에 출력한다.As a result of the determination in step S9, when the duct operation key is turned on (YES), the air-conditioning space for discharging the heat exchanged air from the place where the main body 1 is installed and the indoor heat exchanger 19 through the duct pipe 31 is shown. Since these are different from each other, the control means 104 proceeds to step S10 to output a control signal for driving the blower fan 35 to the blower fan motor drive means 128.
따라서, 송풍팬모터구동수단(128)은 제어수단(104)으로부터 출력되는 제어신호를 입력받아 송풍팬모터(33)의 회전수를 제어하여 송풍팬(35)을 온시킨다.Therefore, the blowing fan motor driving means 128 receives the control signal output from the control means 104 to control the rotation speed of the blowing fan motor 33 to turn on the blowing fan 35.
상기 송풍팬(35)이 온되면, 스텝S11에서는 실내열교환기(19)에서 열교환된 찬 공기가 냉기안내부(29)의 안내에 따라 냉기유출구(27)로 강제 유입되고, 상기 냉기유출구(27)로 유입된 냉기는 덕트관(31)을 통해 안내되어 본체(1)가 설치된 장소 이외의 덕트관(31)이 설치된 다른 공조공간으로 토출되어 본체(1) 설치장소 이외의 다른 공조공간을 냉방시키는데, 이때 본체(1)가 설치된 장소의 실내온도(Tr)가 설정온도(Ts)에 도달하여도 압축기(121)를 연속운전시켜 실내온도(Tr)와 설정온도(Ts)에 따른 실온제어를 무시하고 공기조화기를 강제로 연속운전시키면서 리턴한다.When the blowing fan 35 is turned on, in step S11, cold air heat-exchanged in the indoor heat exchanger 19 is forced into the cold air outlet 27 under the guidance of the cold air guide unit 29, and the cold air outlet 27 The cold air introduced into the air is guided through the duct pipe 31 to be discharged to another air-conditioning space where the duct pipe 31 is installed except for the place where the main body 1 is installed, thereby cooling the air-conditioning space other than the place where the main body 1 is installed. At this time, even if the indoor temperature Tr of the place where the main body 1 is installed reaches the set temperature Ts, the compressor 121 is continuously operated to control room temperature according to the room temperature Tr and the set temperature Ts. Ignore and return with forced operation of air conditioner.
상기의 설명에서와 같이 본 발명에 의한 공기조화기의 덕트운전장치 및 그 제어방법에 의하면, 덕트운전시 실내온도와 설정온도에 따른 온도제어를 무시하고 공기조화기를 연속운전시킴으로써 덕트운전을 행하는 공조공간의 실내온도가 설정온도에 도달하지 못하여도 본체 설치장소가 설정온도에 도달하면 냉방운전을 중지시킴으로 발생하는 오동작을 방지할 수 있다는 효과가 있다.According to the duct operation apparatus and control method of the air conditioner according to the present invention as described above, the air conditioning is carried out by continuously operating the air conditioner while ignoring the temperature control according to the room temperature and the set temperature during the duct operation Even if the indoor temperature of the space does not reach the set temperature, there is an effect that the malfunction caused by stopping the cooling operation when the main body installation place reaches the set temperature can be prevented.
Claims (4)
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| Application Number | Priority Date | Filing Date | Title |
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| KR1019980028760A KR100308561B1 (en) | 1998-07-15 | 1998-07-15 | Duct operation device of air conditioner and its control method |
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| KR1019980028760A KR100308561B1 (en) | 1998-07-15 | 1998-07-15 | Duct operation device of air conditioner and its control method |
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