KR20010058213A - method for alarm fire in air conditioner - Google Patents
method for alarm fire in air conditioner Download PDFInfo
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- KR20010058213A KR20010058213A KR1019990061724A KR19990061724A KR20010058213A KR 20010058213 A KR20010058213 A KR 20010058213A KR 1019990061724 A KR1019990061724 A KR 1019990061724A KR 19990061724 A KR19990061724 A KR 19990061724A KR 20010058213 A KR20010058213 A KR 20010058213A
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- air conditioner
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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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
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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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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Description
본 발명은 냉난방운전을 행하는 공기조화기에 관한 것으로, 특히 흡입공기온도를 감지하여 일정온도 이상이면 화재발생을 경보하면서 세트를 정지시키는 공기조화기의 화재경보방법에 관한 것이다.The present invention relates to an air conditioner for cooling and heating operation, and more particularly, to a fire alarm method for an air conditioner that detects intake air temperature and stops a set while warning of a fire when a predetermined temperature is exceeded.
종래의 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 the conventional air conditioner, as shown in FIG. 1, a suction grill member 5 having a plurality of suction ports 3 through which indoor air is sucked is installed at the front lower part of an indoor main body 1 (hereinafter, referred to as a main body). In addition, a discharge port 7 is formed on the front surface of the main body 1 to discharge air sucked through the suction port 3 and heat-exchanged with cold or warm air to an indoor space where the main body 1 is installed.
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 항균필터부재(17)가 설치되어 있고, 상기 항균필터부재(17)의 내측인 상기 흡입구(3)의 일측에는 상기 흡입구(3)를 통해 흡입되는 실내공기의 온도를 감지하는 흡입온도센서(16)가 설치되어 있다.As shown in FIG. 2, an antibacterial 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. One side of the suction port 3 which is the inner side of the antibacterial filter member 17 is provided with a suction temperature sensor 16 for detecting the temperature of the indoor air sucked through the suction port (3).
상기 항균필터부재(17)의 내측에는 고전압을 이용하여 실내공기중에 부유하는 먼지를 분해 및 대전시킨 후 반대전하를 띤 집진판에 흡착제거함과 동시에 냄새를 제거하도록 대전부와 집진부를 일체로 조합한 전기집진기(18)가 설치되어 있고, 상기 전기집진기(18)의 내측에는 상기 흡입구(3)를 통해 흡입된 실내공기를 냉매의 증발잠열에 의해 냉풍 또는 온풍으로 열교환시키도록 일자형상의 실내열교환기(19)가 설치되어 있다.Inside the antimicrobial filter member 17, a high voltage is used to decompose and charge the floating dust in the indoor air, and then, by adsorbing and removing the dust on the opposite charged dust collecting plate and simultaneously removing the odor, the charging unit and the dust collecting unit are integrated. A dust collector 18 is installed, and inside the electrostatic precipitator 18, a linear indoor heat exchanger is configured to heat the indoor air sucked through the suction port 3 to cold or warm air by latent heat of evaporation of the refrigerant. 19) is installed.
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.
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)를 흡입온도센서(16)에서 감지하여 그 감지된 흡입공기온도(Tr)를 설정온도(Ts)와 비교한 결과 흡입공기온도(Tr)가 설정온도(Ts)보다 높은 경우 설정온도(Ts)와 흡입공기온도(Tr)의 차에 따라 압축기의 운전주파수를 결정하여 압축기를 구동시킨다.The temperature Tr (hereinafter referred to as room temperature) of the indoor air sucked through the suction port 3 is detected by the suction temperature sensor 16, and the detected suction air temperature Tr is compared with the set temperature Ts. As a result, when the intake air temperature Tr is higher than the set temperature Ts, the compressor is driven by determining the operating frequency of the compressor according to the difference between the set temperature Ts and the intake air temperature Tr.
상기 압축기가 구동되면, 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 안내되어 토출구(7)를 통해 실내로 토출되는데, 상기 토출구(7)를 통해 토출되는 냉풍은 상하풍향날개(9) 및 좌우풍향날개(11)의 풍향각도에 따라 상하 또는 좌우로 풍향이 조절되면서 실내냉방을 행한다.When the compressor is driven, 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 inside, and the cold air heat exchanged in the indoor heat exchanger 19 is guided to the top by the guide of the duct member 25 and discharged into the room through the discharge port (7), The cold air discharged through the discharge port 7 performs indoor cooling while the wind direction is adjusted up and down or left and right according to the wind direction angles of the up and down wind vane 9 and the left and right wind vane 11.
그런데, 이와같은 종래의 공기조화기에 있어서는, 실내의 화재발생시 공기조화기의 가동에 따른 공기 유동으로 화재를 확산시킨다는 문제점이 있었다.By the way, in the conventional air conditioner, there is a problem in that the fire is spread by the air flow according to the operation of the air conditioner in the event of a fire in the room.
따라서, 본 발명은 상술한 종래의 문제점을 해결하기 위하여 안출된 것으로, 흡입공기온도를 감지하여 일정온도 이상이면 화재경보음을 발생하여 화재에 따른 신속한 대처가 가능토록 하고, 세트 전원을 차단하여 화재확산을 방지하는 공기조화기의 화재경보방법을 제공하는데 그 목적이 있다.Therefore, the present invention has been made in order to solve the above-mentioned conventional problems, by detecting the intake air temperature to generate a fire alarm sound if a certain temperature or more, so as to be able to respond quickly to the fire, and cut off the power supply to the fire It is an object of the present invention to provide a fire alarm method of an air conditioner to prevent diffusion.
도 1은 종래에 의한 공기조화기의 실내기를 도시한 사시도,1 is a perspective view showing an indoor unit of a conventional air conditioner;
도 2는 일반적인 공기조화기의 실내기를 도시한 종단면도,2 is a longitudinal sectional view showing an indoor unit of a general air conditioner;
도 3은 본 발명에 의한 공기조화기의 실내기를 도시한 사시도,3 is a perspective view showing an indoor unit of an air conditioner according to the present invention;
도 4는 본 발명의 일실시예에 의한 공기조화기의 화재경보장치의 제어블록도,4 is a control block diagram of a fire alarm device of an air conditioner according to an embodiment of the present invention;
도 5는 본 발명에 의한 공기조화기의 화재발생을 경보하기 위한 제어동작순서를 도시한 플로우챠트.5 is a flowchart showing a control operation procedure for alarming the fire occurrence 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
8 : 토출온도센서 16 : 흡입온도센서8: discharge temperature sensor 16: suction temperature sensor
19 : 실내열교환기 27 : 화재경보기19: indoor heat exchanger 27: fire alarm
102 : 운전조작수단 104 : 흡입온도감지수단102: operation operation means 104: suction temperature detection means
106 : 제어수단 128 : 화재경보수단106: control means 128: fire alarm 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.
종래의 구성과 동일한 부분에 대해서는 동일명칭 및 동일부호를 명기하여 중복되는 설명을 생략한다.About the same part as a conventional structure, the description which overlaps by specifying the same name and the same code | symbol is abbreviate | omitted.
도 3에 도시한 바와같이, 커버부재(13)의 우측상부에는 실내의 화재발생시 경보음을 발생하는 화재경보기(27)가 설치되어 있다.As shown in FIG. 3, a fire alarm 27 is provided on the upper right side of the cover member 13 to generate an alarm sound when a fire occurs in the room.
도 4에 도시한 바와같이, 전원수단(100)은 상용교류전압을 소정의 직류전압으로 변환하여 출력하고, 운전조작수단(102)은 공기조화기의 운전모드(자동, 냉방, 제습, 송풍, 난방 등)와 설정풍량, 설정풍향, 설정온도(Ts), 공기조화기의 운전/정지를 입력하는 다수의 기능키를 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. 4, the power supply means 100 converts a commercial AC voltage into a predetermined DC voltage and outputs the same, and the operation operation means 102 is an air conditioner operation mode (automatic, cooling, dehumidifying, blowing, And a plurality of function keys for inputting heating, set air volume, set wind direction, set temperature (Ts), and operation / stop of the air conditioner. The operation control means 102 includes a control panel of the main body 1. And a remote controller signal receiver 103 for receiving an infrared signal transmitted from the remote controller in accordance with key operation of a remote controller (not shown).
그리고, 흡입온도감지수단(104)은 상기 흡입구(3)를 통해 흡입되는 실내공기의 온도(Tr)를 감지하도록 흡입온도센서(16) 등으로 구성되어 있고, 제어수단(106)은 상기 흡입온도감지수단(104)에 의해 감지된 흡입공기온도(Tr)가 기설정된 화재발생온도(Tg;약, 60℃)보다 큰가를 비교하여 실내의 화재발생여부를 판단한다.And, the suction temperature detecting means 104 is composed of a suction temperature sensor 16 or the like to detect the temperature (Tr) of the indoor air sucked through the suction port 3, the control means 106 is the suction temperature It is determined whether a fire occurs in the room by comparing whether the intake air temperature Tr sensed by the sensing means 104 is greater than a preset fire occurrence temperature (Tg;
압축기구동수단(120)은 설정온도(Ts) 및 흡입공기온도(Tr)의 차에 따라 상기 제어수단(106)으로부터 출력되는 제어신호를 받아서 압축기(121)를 구동제어하고, 풍향조절수단(122)은 설정풍향에 따라 토출구(7)를 통해 토출되는 공기의 방향을 조절하도록 상기 제어수단(106)으로부터 출력되는 펄스신호를 입력받아 스텝핑모터(123)를 구동하여 상하 및 좌우풍향날개(9,11)를 이동시킨다.Compressor driving means 120 receives the control signal output from the control means 106 in accordance with the difference between the set temperature (Ts) and the suction air temperature (Tr) drive control the compressor 121, the wind direction control means 122 ) Receives the pulse signal output from the control means 106 to adjust the direction of the air discharged through the discharge port 7 according to the set wind direction, and drives the stepping motor 123 to move up and down and left and right wind vanes 9, Move 11).
실외팬모터구동수단(124)은 설정온도(Ts) 및 흡입공기온도(Tr)의 차에 따라 실외팬모터(125)의 회전수를 제어하여 실외팬을 구동제어하고, 실내팬모터구동수단(126)은 실내열교환기(19)에서 열교환된 공기(냉풍 또는 온풍)를 실내로 송풍하도록 설정풍량에 따라 실내팬모터(21)의 회전수를 제어하여 실내팬(23)을 구동제어한다.The outdoor fan motor driving means 124 controls the rotation speed of the outdoor fan motor 125 according to the difference between the set temperature Ts and the suction air temperature Tr to drive the outdoor fan and to control the indoor fan motor driving means ( 126 controls driving speed of the indoor fan 23 by controlling the rotation speed of the indoor fan motor 21 according to the set air volume to blow air (cold or warm air) heat exchanged by the indoor heat exchanger 19 to the room.
또한 도면에 있어서, 화재경보수단(128)은 흡입공기온도(Tr)가 상기 제어수단(106)에 기설정된 화재발생온도(Tg)보다 크면 상기 제어수단(106)으로부터 출력되는 제어신호에 따라 화재경보기(27)를 동작시켜 화재발생을 경보하고, 표시수단(130)은 상기 제어수단(106)의 제어에 따라 상기 운전조작수단(102)에 의해 입력된 운전선택모드(자동, 냉방, 제습, 송풍, 난방 등)와 온도 및 시간을 표시한다.In addition, in the drawing, the fire alarm means 128 fires according to a control signal output from the control means 106 when the intake air temperature Tr is greater than the fire occurrence temperature Tg preset in the control means 106. The alarm 27 is operated to alert the occurrence of a fire, and the display means 130 operates under the control of the control means 106 and the operation selection mode (automatic, cooling, dehumidification, Blowing, heating, etc.) and temperature and time.
이하, 상기와 같이 구성된 공기조화기의 화재경보방법의 작용효과를 설명한다.Hereinafter, the effect of the fire alarm method of the air conditioner configured as described above will be described.
도 5는 본 발명에 의한 공기조화기의 화재발생을 경보하기 위한 제어동작순서를 도시한 플로우챠트로써, 도 5에서 S는 스텝(STEP)을 표시한다.FIG. 5 is a flowchart showing a control operation procedure for alarming a fire occurrence of an air conditioner according to the present invention, in which S denotes a step.
먼저, 공기조화기에 전원이 인가되면, 전원수단(100)에서는 상용교류전압을 소정의 직류전압으로 변환하여 각 구동회로 및 제어수단(106)에 출력한다.First, when power is applied to the air conditioner, the power supply means 100 converts a commercial AC voltage into a predetermined DC voltage and outputs it to each driving circuit and the control means 106.
따라서, 스텝S1에서는 상기 전원수단(100)으로부터 출력되는 직류전압을 제어수단(106)에서 입력받아 공기조화기를 초기화시킨다.Therefore, in step S1, the DC voltage output from the power supply means 100 is received by the control means 106 to initialize the air conditioner.
이때, 사용자가 운전조작수단(102)을 조작하여 운전키를 누른다음 원하는 공기조화기의 운전모드(예를들면, 냉방)와 설정온도(Ts), 설정풍량을 입력하면, 운전선택신호 및 운전시작신호(이하, 운전신호라 한다)가 제어수단(106)에 입력된다.At this time, when the user operates the operation operation means 102 and presses the operation key, inputs the operation mode (for example, cooling), the set temperature (Ts), and the set air volume of the desired air conditioner, the operation selection signal and the operation A start signal (hereinafter referred to as an operation signal) is input to the control means 106.
이에 따라, 스텝S2에서 제어수단(106)은 상기 운전조작수단(102)으로부터 운전신호가 입력되었는지를 판별하여, 운전신호가 입력되지 않으면(NO일 경우) 공기조화기를 운전대기상태로 유지하면서 스텝S2이하의 동작을 반복수행한다.Accordingly, in step S2, the control means 106 determines whether the driving signal is input from the driving operation means 102, and if the driving signal is not input (NO), the control unit 106 keeps the air conditioner in the operating standby state. Repeat the operation below S2.
상기 스텝S2에서의 판별결과, 운전신호가 입력되면(YES일 경우) 공기조화기의 냉방운전을 수행하기위해 스텝S3으로 나아가서 제어수단(106)은 실내팬(23)을 구동하기위한 제어신호를 실내팬모터구동수단(126)에 출력한다.As a result of the discrimination in step S2, when the operation signal is input (YES), the controller 106 proceeds to step S3 to perform the cooling operation of the air conditioner, and the control means 106 supplies a control signal for driving the indoor fan 23. Output to the indoor fan motor driving means (126).
따라서, 실내팬모터구동수단(126)은 설정풍량에 따라 실내팬모터(21)의 회전수를 제어하여 실내팬(23)을 구동시킨다.Therefore, the indoor fan motor driving means 126 drives the indoor fan 23 by controlling the rotation speed of the indoor fan motor 21 according to the set air volume.
상기 실내팬(23)이 구동되면, 흡입구(3)를 통해 실내공기가 본체(1)내로 흡입되기 시작하는데, 이때에 본체(1)내로 흡입되는 실내공기의 온도(Tr)를 흡입온도감지수단(104)에서 감지한다.When the indoor fan 23 is driven, the indoor air starts to be sucked into the main body 1 through the suction port 3, and at this time, the suction temperature sensing means measures the temperature Tr of the indoor air sucked into the main body 1. Detect at 104.
이때, 스텝S4에서는 소정시간(압축기를 보호하기위한 지연시간, 약 3분 정도)이 경과하였는지를 판별하여, 소정시간이 경과하지 않으면(NO일 경우) 소정시간이 경과할때까지 스텝S4이하의 동작을 반복수행한다.At this time, in step S4, it is determined whether a predetermined time (delay time for protecting the compressor, about 3 minutes) has elapsed, and if the predetermined time has not elapsed (NO), the operation of step S4 or less until the predetermined time elapses Repeat
상기 스텝S4에서의 판별결과, 소정시간이 경과하면(YES일 경우) 스텝S5로 나아가서 제어수단(106)은 상기 흡입온도감지수단(106)에 의해 감지된 흡입공기온도(Tr)가 설정온도(Ts)보다 큰가를 판별하여, 흡입공기온도(Tr)가 설정온도(Ts)보다 크지 않으면(NO일 경우) 실외기의 운전동작을 대기하면서 상기 스텝S4로 복귀하여 스텝S4이하의 동작을 반복수행한다.As a result of the discrimination in step S4, when a predetermined time has elapsed (YES), the control means 106 goes to step S5 so that the intake air temperature Tr detected by the intake temperature sensing means 106 is set to a set temperature ( If the intake air temperature (Tr) is not greater than the set temperature (Ts) (NO), the process returns to step S4 while waiting for the operation of the outdoor unit, and repeats the operation of step S4 or less. .
상기 스텝S5에서의 판별결과, 흡입공기온도(Tr)가 설정온도(Ts)보다 크면(YES일 경우) 스텝S6으로 나아가서 제어수단(106)은 흡입공기온도(Tr)와 설정온도(Ts)의 차에 따라 압축기(121)의 운전주파수와 실외팬모터(125)의 회전수를 결정하여 압축기(121)와 실외팬을 구동하기위한 제어신호를 압축기구동수단(120)과 실외팬모터구동수단(124)에 출력한다.As a result of the discrimination in step S5, if the intake air temperature Tr is larger than the set temperature Ts (YES), the flow advances to step S6 and the control means 106 determines the intake air temperature Tr and the set temperature Ts. The driving frequency of the compressor 121 and the number of rotations of the outdoor fan motor 125 are determined according to the difference, so that a control signal for driving the compressor 121 and the outdoor fan is transmitted to the compressor driving means 120 and the outdoor fan motor driving means ( 124).
따라서, 상기 압축기구동수단(120)에서는 제어수단(106)에서 결정된 운전주파수에 따라 압축기(121)를 구동시키고, 실외팬모터구동수단(124)에서는 제어수단(106)에서 결정된 회전수에 따라 실외팬을 구동시킨다.Therefore, the compressor driving means 120 drives the compressor 121 according to the operating frequency determined by the control means 106, and the outdoor fan motor driving means 124 outdoor according to the rotation speed determined by the control means 106. Run the fan.
상기 압축기(121)와 실외팬이 구동되면, 냉매의 순환에 따라 실내열교환기(19)가 냉각되므로 스텝S7에서는 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 안내되어 토출구(7)에 회동가능케 설치된 상하풍향날개(9) 및 좌우풍향날개(11)의 풍향각도에 따라 상하 또는 좌우로 풍향이 조절되면서 실내냉방을 행한다.When the compressor 121 and the outdoor fan are driven, the indoor heat exchanger 19 is cooled according to the circulation of the refrigerant, and thus, at step S7, the indoor heat exchanger 19 is sucked into the main body 1 through the suction port 3 by the rotational force of the indoor fan 23. While the indoor air is passed through the indoor heat exchanger (19), the heat exchanged to cold air by the latent heat of evaporation of the refrigerant flowing in the indoor heat exchanger (19), the cold air heat exchanged in the indoor heat exchanger (19) guides the duct member (25). Receives guided to the top and the air direction is adjusted 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 rotatably installed in the discharge port 7 performs the indoor cooling.
상기의 냉방운전중에, 스텝S8에서는 흡입구(3)를 통해 흡입되는 실내공기의 온도(Tr)를 흡입온도감지수단(104)에서 감지하여 제어수단(106)에 출력한다.During the above cooling operation, in step S8, the temperature Tr of the indoor air sucked through the suction port 3 is sensed by the suction temperature detecting means 104 and output to the control means 106.
따라서, 스텝S9에서 제어수단(106)은 상기 흡입온도감지수단(104)에 의해 감지된 흡입공기온도(Tr)가 기설정된 화재발생온도(Tg;약, 60℃)보다 큰가를 판별하여, 흡입공기온도(Tr)가 화재발생온도(Tg)보다 크지 않으면(NO일 경우) 상기 스텝S7로 복귀하여 정상 냉방운전을 계속하면서 스텝S7이하의 동작을 반복수행한다.Therefore, in step S9, the control means 106 determines whether the suction air temperature Tr sensed by the suction temperature detecting means 104 is greater than a preset fire occurrence temperature Tg (about 60 ° C.), and suction If the air temperature Tr is not greater than the fire occurrence temperature Tg (NO), the flow returns to the step S7 to continue the normal cooling operation and repeat the operation of the step S7 or less.
상기 스텝S9에서의 판별결과, 흡입공기온도(Tr)가 화재발생온도(Tg)보다 크면(YES일 경우) 실내에 화재가 발생하였다고 판단하여, 스텝S10로 나아가서 제어수단(106)은 실내의 화재발생을 알리기 위한 제어신호를 화재경보수단(128)에 출력한다.As a result of the determination in step S9, if the intake air temperature Tr is larger than the fire occurrence temperature Tg (YES), it is determined that a fire has occurred in the room, and the control means 106 proceeds to step S10, and the control means 106 The control signal for informing the occurrence is output to the fire alarm means 128.
이에 따라, 상기 화재경보수단(128)에서는 제어수단(106)으로부터 출력되는 제어신호에 따라 화재경보기(27)를 동작시켜 실내의 화재발생을 알리는 경보음을 발생하고, 스텝S11에서 제어수단(106)은 실내의 화재확산을 방지하기 위해 세트에 인가되는 전원을 차단하여 압축기(121), 실외팬모터(123), 실내팬모터(21)를 정지시키면서 동작을 종료한다.Accordingly, the fire alarm means 128 operates the fire alarm 27 according to the control signal output from the control means 106 to generate an alarm sound informing the occurrence of a fire in the room, and the control means 106 in step S11. ) Ends the operation while stopping the compressor 121, the outdoor fan motor 123, the indoor fan motor 21 by cutting off the power applied to the set to prevent the fire spread in the room.
상기의 설명에서와 같이 본 발명에 의한 공기조화기의 화재경보방법에 의하면, 흡입공기온도를 감지하여 일정온도 이상이면 화재경보음을 발생하여 화재에 따른 신속한 대처가 가능토록 하고, 세트 전원을 차단하여 화재확산을 방지한다는 효과가 있다.According to the fire alarm method of the air conditioner according to the present invention as described above, if the intake air temperature is sensed above a certain temperature, a fire alarm is generated to enable rapid response to the fire, and the set power is cut off. It is effective in preventing fire spread.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100512415B1 (en) * | 2002-06-21 | 2005-09-07 | 위니아만도 주식회사 | air-conditioner with emergency device |
| KR100678306B1 (en) * | 2005-08-10 | 2007-02-02 | 엘에스전선 주식회사 | An apparatus and method for controlling an air conditioner capable of detecting the abnormal high room temperature |
| KR100680611B1 (en) * | 2005-07-06 | 2007-02-08 | 삼성전자주식회사 | Apparatus and method for controlling emergency drive of multi air conditioner |
| CN114963407A (en) * | 2022-04-22 | 2022-08-30 | 宁波奥克斯电气股份有限公司 | Air conditioner controller fire condition processing device and method and air conditioner |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1336013C (en) * | 1988-05-03 | 1995-06-20 | Ran Kenet | Guest room control |
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1999
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100512415B1 (en) * | 2002-06-21 | 2005-09-07 | 위니아만도 주식회사 | air-conditioner with emergency device |
| KR100680611B1 (en) * | 2005-07-06 | 2007-02-08 | 삼성전자주식회사 | Apparatus and method for controlling emergency drive of multi air conditioner |
| KR100678306B1 (en) * | 2005-08-10 | 2007-02-02 | 엘에스전선 주식회사 | An apparatus and method for controlling an air conditioner capable of detecting the abnormal high room temperature |
| CN114963407A (en) * | 2022-04-22 | 2022-08-30 | 宁波奥克斯电气股份有限公司 | Air conditioner controller fire condition processing device and method and air conditioner |
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