KR100730304B1 - Ventilation unit with function of hybrid inhalation and forced exhaust and control method therefor - Google Patents

Ventilation unit with function of hybrid inhalation and forced exhaust and control method therefor Download PDF

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KR100730304B1
KR100730304B1 KR1020070002972A KR20070002972A KR100730304B1 KR 100730304 B1 KR100730304 B1 KR 100730304B1 KR 1020070002972 A KR1020070002972 A KR 1020070002972A KR 20070002972 A KR20070002972 A KR 20070002972A KR 100730304 B1 KR100730304 B1 KR 100730304B1
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carbon dioxide
amount
fan
exhaust
exhaust fan
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KR1020070002972A
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Korean (ko)
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이영준
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이영준
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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
    • F24F11/0001—Control or safety arrangements for ventilation
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • 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
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • 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
    • F24F2007/004—Natural ventilation using convection
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/70—Carbon dioxide
    • 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

Abstract

A ventilation system for hybrid inhalation and forced exhaust and a control method thereof are provided to realize natural inhalation according to CO2 concentration in a room by varying rotation speed of an exhaust fan and forced ventilation by the manipulation of a user. A ventilation system for hybrid inhalation and forced exhaust includes a natural inhalation unit(20) mounted at an upper part of a window frame(10) and having a damper, and forced exhaust units(50) mounted at a kitchen and a restroom and having exhaust fans(51). The natural inhalation unit and the forced exhaust units are selectively driven by a control part according to signals output from sensors(60) sensing a concentration of CO2.

Description

자연급기와 강제배기를 겸한 환기 유니트 및 제어방법{VENTILATION UNIT WITH FUNCTION OF HYBRID INHALATION AND FORCED EXHAUST AND CONTROL METHOD THEREFOR}VENTILATION UNIT WITH FUNCTION OF HYBRID INHALATION AND FORCED EXHAUST AND CONTROL METHOD THEREFOR}

도1은 본 발명에 따른 환기 유니트의 구성도.1 is a block diagram of a ventilation unit according to the present invention.

도2는 본 발명에 따른 환기 유니트에 적용된 자연급기구를 도시한 정면도.Figure 2 is a front view showing a natural air supply mechanism applied to the ventilation unit according to the present invention.

도3은 본 발명에 따른 환기 유니트 제어방법을 도시한 순서도.Figure 3 is a flow chart illustrating a ventilation unit control method according to the present invention.

<도면의 주요 부분에 대한 부호의 간단한 설명><Brief description of symbols for the main parts of the drawings>

10:창틀 20:자연급기구10: window frame 20: natural supply mechanism

21:댐퍼 30:주방21: damper 30: kitchen

40:화장실 50:강제배기구40: toilet 50: forced exhaust

51:배기팬 60:감지센서51: exhaust fan 60: detection sensor

70:제어부70: control unit

본 발명은 자연급기와 강제배기를 겸한 환기 유니트 및 제어방법에 관한 것 으로서 특히 실내의 이산화탄소량에 따라 배기팬이 회전속도가 자동으로 가변되어 외부로 이산화탄소가 배출되어지는 가운데 자연급기가 이루어지도록 함으로써 쾌적한 실내가 제공되어질 수 있도록 하고, 아울러 사용자가 수동조작을 통해 선택적으로 환기시킬 수 있도록 한 것이다.The present invention relates to a ventilation unit and a control method that combines natural air and forced exhaust, and in particular, the exhaust fan automatically rotates according to the amount of carbon dioxide in the room so that natural air is made while carbon dioxide is discharged to the outside. To provide a comfortable room, and to allow the user to selectively ventilate through manual operation.

일반적으로 실내 또는 실외측의 공기를 강제로 인입하여 실외 또는 실내측으로 송풍시키기 위한 방안으로 환기유니트가 사용되어지고 있으며 이러한 환기유니트는 주로 학교, 병원, 조리실 , 오피스건물, 지하철역사, 지하도상가, 터미널, 공항시설, 도서관, 박물관, 찜질방, PC방 및 사무실 등과 같은 많은 인원이 함께 이용하는 다중이용시설의 환기용으로 공조기가 청정실 등에서 외부공기를 필터링한 이후 실내로 유입시키도록 되어 있다.Generally, the ventilation unit is used as a method for forcibly drawing indoor or outdoor air and blowing it to the outdoor or indoor side. The ventilation unit is mainly used in schools, hospitals, cooking rooms, office buildings, subway stations, underground shopping malls, terminals. For ventilation of multi-use facilities used by many people, such as airport facilities, libraries, museums, saunas, PC rooms, and offices, the air conditioner filters the outside air from the clean room, and then introduces it into the room.

그러나 이러한 환기유니트는 많은 사람이 이용하는 다중시설에 적합하도록 용량이 큰 별도의 청정실 등이 설치되어야 하는 원인으로 일반 가정에서 사용하기엔 부적합한 문제점이 있었다.However, such a ventilation unit has a problem that is not suitable for use in a general household due to the need to install a separate clean room with a large capacity so as to be suitable for multiple facilities used by many people.

또한 가정에 사용하기에 적합하도록 소형화를 하더라도 별도의 덕트공사가 진행되어야 되는 원인으로 설치비용이 증가되는 또 다른 문제점이 있었다.In addition, even if the miniaturization to be suitable for home use, there was another problem that the installation cost is increased due to a separate duct construction to proceed.

본 발명은 이와 같은 문제점을 해소하기 위해 창출된 것으로서 실내의 이산화탄소량에 따라 배기팬이 회전속도가 자동으로 가변되어 외부로 이산화탄소가 배출되어지는 가운데 자연급기가 이루어지도록 함으로써 쾌적한 실내가 제공되어질 수 있도록 하고, 아울러 사용자가 수동조작을 통해 선택적으로 환기시킬 수 있는 자연급기와 강제배기를 겸한 환기 유니트 및 제어방법을 제공하는데 그 목적이 있다.The present invention has been created to solve the above problems, the exhaust fan is automatically rotated in accordance with the amount of carbon dioxide in the room so that the natural air supply is made while the carbon dioxide is discharged to the outside so that a comfortable room can be provided. In addition, the object of the present invention is to provide a ventilation unit and a control method that combines natural air and forced exhaust that can be selectively ventilated by a user manually.

이와 같은 목적을 달성하기 위한 본 발명은 창틀(10)의 상부에 댐퍼(21)가 내장된 자연급기구(20)가 설치되어지고, 주방(30)과 화장실(40)에 각각 배기팬(51)이 구비된 강제배기구(50)가 설치되어지되, 상기 자연급기구(20)와 강제배기구(50)가 감지센서(60)에 의하여 감지된 신호에 따라 제어부(70)를 통해 선택적으로 작동되어지도록 구성됨을 특징으로 하는 자연급기와 강제배기를 겸한 환기 유니트를 제공함에 있다.In order to achieve the above object, the present invention is provided with a natural air supply mechanism 20 in which a damper 21 is built in an upper portion of the window frame 10, and exhaust fans 51 are respectively provided in the kitchen 30 and the toilet 40. ) Is provided with a forced exhaust (50), the natural air supply 20 and the forced exhaust 50 is selectively operated through the control unit 70 in accordance with the signal detected by the sensor 60 It is to provide a ventilation unit that combines natural air and forced exhaust, characterized in that it is configured to make.

또한, 감지센서(60)에서 실내이산화탄소량을 검출하는 이산화탄소검출단계(S100)와; 실내의 강제배기를 자동모드 또는 수동모드로 선택하는 모드선택단계(S200)와; 검출된 실내이산화탄소량이 미리 설정된 적정이산화탄소량 보다 많은가를 비교하는 이산화탄소량비교단계(S300)와; 상기 실내이산화탄소량이 미리 설정된 적정이산화탄소량보다 많으면 배기팬(51)을 작동시키는 팬작동단계(S400)와; 상기 실내이산화탄소량이 미리 설정된 적정이산화탄소량보다 적거나 같으면 배기팬(51)을 정지시키는 팬정지단계(S500)로 이루어져 이산화탄소검출단계(S100)로 이동하여 반복되어지는 것을 특징으로 하는 자연급기와 강제배기를 겸한 환기 유니트 제어방법을 제공함에 있다.In addition, the carbon dioxide detection step (S100) for detecting the indoor carbon dioxide amount in the sensor 60; A mode selection step (S200) of selecting a forced exhaust of the room in an automatic mode or a manual mode; A carbon dioxide amount comparison step (S300) for comparing whether the detected amount of indoor carbon dioxide is greater than a predetermined amount of appropriate carbon dioxide; A fan operation step S400 for operating the exhaust fan 51 when the amount of indoor carbon dioxide is greater than a predetermined amount of appropriate carbon dioxide; If the amount of carbon dioxide in the room is less than or equal to a predetermined amount of appropriate carbon dioxide comprises a fan stop step (S500) for stopping the exhaust fan 51 is moved to the carbon dioxide detection step (S100) characterized in that the natural air supply and forced exhaust To provide a ventilation unit control method.

또한, 상기 모드선택단계(S200)에서 사용자가 자동모드를 선택하면 팬작동단계(S400)는 상기 검출된 실내이산화탄소량이 고설정이산화탄소량과 비교하여 많거 나 같으며 배기팬(51)을 강으로 작동하는 팬강작동단계(S410)와; 상기 검출된 실내이산화탄소량이 고설정이산화탄소량과 비교하여 적고, 실내이산화탄소량이 저설정이산화탄소량과 비교하여 많으면 배기팬(51)을 중으로 작동하는 팬중작동단계(S420)와; 상기 검출된 실내이산화탄소량이 고설정이산화탄소량과 비교하여 적고, 실내이산화탄소량이 저설정이산화탄소량과 비교하여 적거나 같으면 배기팬(51)을 약으로 작동하는 팬약작동단계(S430)로 세분화되는 것을 특징으로 하는 자연급기와 강제배기를 겸한 환기 유니트 제어방법을 제공함에 있다.In addition, when the user selects the automatic mode in the mode selection step (S200), the fan operation step (S400) is the amount of the detected indoor carbon dioxide is equal to or greater than the high set carbon dioxide amount, and the exhaust fan 51 is operated by steel. Fan strong operation step (S410) and; An in-operation step (S420) for operating the exhaust fan 51 when the detected amount of indoor carbon dioxide is small compared to the high set carbon dioxide amount and the amount of indoor carbon dioxide is large compared to the low set carbon dioxide amount; When the detected amount of indoor carbon dioxide is less than the amount of high-set carbon dioxide, and the amount of indoor carbon dioxide is less than or equal to the amount of low-set carbon dioxide, it is subdivided into a fan weak operation step (S430) for operating the exhaust fan 51 about. To provide a ventilation unit control method that combines natural air and forced exhaust.

그리고 상기 모드선택단계(S200)에서 사용자가 수동모드를 선택하면 분기하여 상기 모드선택단계(S200)이후에 배기팬(51)의 속도를 사용자가 임의로 설정하는 팬속도설정단계(S440)와; 상기 팬속도설정단계(S440)에서 설정된 속도로 배기팬(51)을 작동시키는 배기팬작동단계(S450)와; 사용자가 정지버튼(73)을 눌렀는지 확인하는 정지확인단계(S460)와; 상기 정지확인단계(S460)에서 정지버튼(73)이 눌려졌으면 배기팬(51)을 정지시키는 팬정지단계(S470)를 거쳐 상기 정지확인단계(S460)에서 정지버튼(73)이 눌려지지 않았으면 배기팬작동단계(S450)로 이동하여 반복되는 것을 특징으로 하는 자연급기와 강제배기를 겸한 환기 유니트 제어방법을 제공함에 그 목적이 달성된다.And if the user selects the manual mode in the mode selection step (S200) and branched to the fan speed setting step (S440) for the user to arbitrarily set the speed of the exhaust fan 51 after the mode selection step (S200); An exhaust fan operation step S450 for operating the exhaust fan 51 at the speed set in the fan speed setting step S440; A stop checking step (S460) for checking whether the user has pressed the stop button 73; If the stop button 73 is pressed in the stop checking step (S460), if the stop button 73 is not pressed in the stop checking step (S460) through the fan stop step (S470) of stopping the exhaust fan (51). The object is achieved by providing a method for controlling a ventilation unit that combines natural air and forced exhaust, characterized in that the movement to the exhaust fan operation step (S450) is repeated.

이하, 본 발명에 따른 자연급기와 강제배기를 겸한 환기 유니트 및 그 제어방법을 설명하면 다음과 같다.Hereinafter, the ventilation unit combined with natural air and forced exhaust according to the present invention and a control method thereof will be described.

본 발명에 따른 자연급기와 강제배기를 겸한 환기 유니트는 도1 및 도2에 도시된 바와 같이 실내의 다수곳 즉, 주방(30)과 화장실(40)에 설치된 강제배기 구(50)의 배기팬(51)이 회전되어짐에 따라 발생되어지는 흡입력과 배출력에 의하여 오염된 공기인 실내이산화탄소를 배출시킴과 동시에 배출되어지는 배출량 만큼 창틀(10)에 설치된 자연급기구(20)를 통해 신선한 외부의 공기가 실내로 용이하게 공급 또는 유입되어질 수 있는 기능이 제공되어지도록 되어 있다.Ventilation unit combined with natural air and forced exhaust according to the present invention is the exhaust fan of the forced exhaust port 50 installed in a number of places in the room, that is, the kitchen 30 and the toilet 40, as shown in Figs. As the 51 is rotated, the indoor carbon dioxide, which is air contaminated by the suction force and the discharge force generated, is discharged at the same time, and the fresh air is discharged through the natural air supply mechanism 20 installed on the window frame 10 as much as the discharged amount. A function is provided so that air can be easily supplied or introduced into the room.

이를 위해, 상기 환기 유니트는 창틀(10)의 상부에 댐퍼(21)가 내장된 자연급기구(20)가 설치되어지고, 주방(30)과 화장실(40)에 각각 배기팬(51)이 구비된 강제배기구(50)가 설치되어지도록 구성되어 있다.To this end, the ventilation unit is provided with a natural air supply (20) with a damper 21 is built in the upper part of the window frame 10, the exhaust fan 51 is provided in the kitchen 30 and the toilet 40, respectively. It is configured such that the forced exhaust pipe 50 is installed.

또한, 상기 자연급기구(20)와 강제배기구(50)는 감지센서(60)에 의하여 감지된 신호에 따라 제어부(70)를 통해 출력되어지는 신호의 유무로 선택적으로 작동되어지도록 구성되어 있다.In addition, the natural air supply 20 and the forced exhaust 50 is configured to be selectively operated with or without a signal output through the control unit 70 in accordance with the signal detected by the sensor 60.

이러한 구성을 갖는 자연급기와 강제배기를 겸한 환기 유니트를 이용하여 실내의 오염된 공기인 실내이산화탄소가 배출되어짐과 동시에 신선한 외부의 공기가 실내로 유입되어지는 과정은 다음과 같다.The process of introducing indoor carbon dioxide, which is polluted air in the room, and introducing fresh outside air into the room using a natural air supply and forced exhaust ventilation unit having such a configuration is as follows.

먼저, 감지센서(60)에서 실내이산화탄소량을 검출하는 이산화탄소검출단계(S100)를 통해 실내이산화탄소량이 검출되어지고, 검출된 값은 제어부(70)로 인가되어진다.First, the indoor carbon dioxide amount is detected through the carbon dioxide detection step (S100) of detecting the indoor carbon dioxide amount by the sensor 60, and the detected value is applied to the controller 70.

다음, 모드선택단계(S200)로 사용자가 실내의 강제배기를 자동모드 또는 수동모드로 선택함과 동시에 제어부(70)는 검출된 실내이산화탄소량이 미리 설정된 적정이산화탄소량 보다 많은가를 비교하는 이산화탄소량비교단계(S300)를 통하여 실내이산화탄소량이 미리 설정된 적정이산화탄소량보다 많으면 배기팬(51)을 작동 시킨다(S400).Next, the user selects the forced exhaust of the room in the automatic mode or the manual mode in the mode selection step (S200), and the control unit 70 compares whether the detected amount of indoor carbon dioxide is more than a predetermined amount of suitable carbon dioxide. If the amount of carbon dioxide in the room is greater than a predetermined amount of suitable carbon dioxide through the operation (S300), the exhaust fan 51 is operated (S400).

다음, 실내이산화탄소량이 미리 설정된 적정이산화탄소량보다 적거나 같으면 Next, if the amount of carbon dioxide in the room is less than or equal to the preset amount of carbon dioxide

배기팬(51)을 정지시키는 팬정지단계(S500)로 이루어져 이산화탄소검출단계(S100)로 이동하여 반복되어짐에 따라 실내이산화탄소가 외부로 배출되어지게 되며 이때 배출되어지는 량만큼 자연급기구(20)를 통해 외기가 실내로 유입되어지게 된다.It consists of a fan stop step (S500) to stop the exhaust fan 51 is moved to the carbon dioxide detection step (S100) and repeated as the carbon dioxide is discharged to the outside and the natural air supply (20) Through the outside air is introduced into the room.

한편, 사용자가 모드선택단계(S200)에서 자동모드를 선택하면 팬작동단계(S400)에서는 검출된 실내이산화탄소량이 고설정이산화탄소량과 비교하여 많거나 같으며 배기팬(51)을 강으로 작동하는 팬강작동단계(S410)를 경유하게 되며 이때 검출된 실내이산화탄소량이 고설정 이산화탄소량과 비교하여 적고, 실내이산화탄소량이 저설정 이산화탄소량과 비교하여 많으면 배기팬(51)을 중으로 작동하는 팬중작동단계(S420), 검출된 실내이산화탄소량이 고설정 이산화탄소량과 비교하여 적고, 실내이산화탄소량이 저설정 이산화탄소량과 비교하여 적거나 같으면 배기팬(51)을 약으로 작동하는 팬약작동단계(S430)로 세분화되는 작동되어지게 된다.On the other hand, when the user selects the automatic mode in the mode selection step (S200) in the fan operation step (S400) the amount of detected indoor carbon dioxide is equal to or higher than the high set carbon dioxide amount and the fan steel to operate the exhaust fan 51 as a steel If the amount of indoor carbon dioxide detected is small compared with the high set amount of carbon dioxide, and the amount of indoor carbon dioxide is large compared with the amount of low set carbon dioxide, the operation stage of the fan (S420) operates the exhaust fan 51 in the middle. When the detected amount of indoor carbon dioxide is less than the amount of high-set carbon dioxide, and the amount of indoor carbon dioxide is less than or equal to the amount of low-set carbon dioxide, the operation is divided into fan weak operation step (S430) that operates the exhaust fan 51 about. do.

한편, 사용자가 모드선택단계(S200)에서 수동모드를 선택하면 모드선택단계(S200)이후에 배기팬(51)의 속도를 사용자가 임의로 설정하는 팬속도설정단계(S440)를 통해 속도를 조절하게 되며 팬속도설정단계(S440)에서 설정된 속도로 배기팬(51)을 작동시키게 된다(S450).On the other hand, if the user selects the manual mode in the mode selection step (S200) to control the speed through the fan speed setting step (S440) that the user arbitrarily set the speed of the exhaust fan 51 after the mode selection step (S200). The exhaust fan 51 is operated at the speed set in the fan speed setting step (S440) (S450).

다음, 사용자가 정지버튼(73)을 눌렀는지 확인하는 정지확인단계(S460), 정지확인단계(S460)에서 정지버튼(73)이 눌려졌으면 배기팬(51)을 정지시키는 팬정지단계(S470)를 거쳐 상기 정지확인단계(S460)에서 정지버튼(73)이 눌려지지 않았으 면 배기팬작동단계(S450)로 이동하여 반복됨에 따라 실내의 공기를 사용자가 임의 대로 배출시킬 수 있게 된다.Next, a stop checking step (S460) for checking whether the user has pressed the stop button (73), a fan stop step (S470) for stopping the exhaust fan (51) when the stop button (73) is pressed in the stop checking step (S460). If the stop button 73 is not pressed in the stop checking step (S460) through the exhaust fan operation step (S450) is repeated so that the user can discharge the air in the room at random.

이와 같이 본 발명은 실내의 이산화탄소량에 따라 배기팬이 회전속도가 자동으로 가변되어 외부로 이산화탄소가 배출되어지는 가운데 자연급기가 이루어지도록 함으로써 쾌적한 실내가 제공되어질 수 있는 효과를 얻을 수 있도록 하고, 아울러 사용자가 수동조작을 통해 선택적으로 환기를 더 시킬 수 있도록 하여 항상 쾌적한 실내에서 생활할 수 있도록 한 것이다.As described above, the present invention allows the exhaust fan to automatically change the rotational speed according to the amount of carbon dioxide in the room so that a natural air supply can be achieved while carbon dioxide is discharged to the outside, thereby providing an effect that a comfortable room can be provided. It allows users to selectively ventilate through manual operation so that they can always live in a comfortable room.

Claims (4)

삭제delete 감지센서(60)에서 실내이산화탄소량을 검출하는 이산화탄소검출단계(S100)와;Carbon dioxide detection step (S100) for detecting the indoor carbon dioxide amount in the sensor 60; 실내의 강제배기를 자동모드 또는 수동모드로 선택하는 모드선택단계(S200)와;A mode selection step (S200) of selecting a forced exhaust of the room in an automatic mode or a manual mode; 검출된 실내이산화탄소량이 미리 설정된 적정이산화탄소량 보다 많은가를 비교하는 이산화탄소량비교단계(S300)와;A carbon dioxide amount comparison step (S300) for comparing whether the detected amount of indoor carbon dioxide is greater than a predetermined amount of appropriate carbon dioxide; 상기 실내이산화탄소량이 미리 설정된 적정이산화탄소량보다 많으면 배기팬(51)을 작동시키는 팬작동단계(S400)와;A fan operation step S400 for operating the exhaust fan 51 when the amount of indoor carbon dioxide is greater than a predetermined amount of appropriate carbon dioxide; 상기 실내이산화탄소량이 미리 설정된 적정이산화탄소량보다 적거나 같으면 When the amount of indoor carbon dioxide is less than or equal to the predetermined amount of appropriate carbon dioxide 배기팬(51)을 정지시키는 팬정지단계(S500)로 이루어져 이산화탄소검출단계(S100)로 이동하여 반복되어지는 것을 특징으로 하는 자연급기와 강제배기를 겸한 환기 유니트 제어방법.Ventilation unit control method comprising a natural air supply and forced exhaust, characterized in that the fan stop step (S500) to stop the exhaust fan 51 is moved to the carbon dioxide detection step (S100) and repeated. 제2항에 있어서,The method of claim 2, 상기 모드선택단계(S200)에서 사용자가 자동모드를 선택하면 팬작동단계(S400)는 상기 검출된 실내이산화탄소량이 고설정이산화탄소량과 비교하여 많거나 같으며 배기팬(51)을 강으로 작동하는 팬강작동단계(S410)와;When the user selects the automatic mode in the mode selection step (S200), the fan operation step (S400) is a fan steel for operating the exhaust fan 51 with a greater or equal to the amount of the detected indoor carbon dioxide compared to the high set carbon dioxide amount. An operation step (S410); 상기 검출된 실내이산화탄소량이 고설정이산화탄소량과 비교하여 적고, 실내이산화탄소량이 저설정이산화탄소량과 비교하여 많으면 배기팬(51)을 중으로 작동하는 팬중작동단계(S420)와;An in-operation step (S420) for operating the exhaust fan 51 when the detected amount of indoor carbon dioxide is small compared to the high set carbon dioxide amount and the amount of indoor carbon dioxide is large compared to the low set carbon dioxide amount; 상기 검출된 실내이산화탄소량이 고설정이산화탄소량과 비교하여 적고, 실내이산화탄소량이 저설정이산화탄소량과 비교하여 적거나 같으면 배기팬(51)을 약으로 작동하는 팬약작동단계(S430)로 세분화되는 것을 특징으로 하는 자연급기와 강제배기를 겸한 환기 유니트 제어방법.When the detected amount of indoor carbon dioxide is less than the amount of high-set carbon dioxide, and the amount of indoor carbon dioxide is less than or equal to the amount of low-set carbon dioxide, it is subdivided into a fan weak operation step (S430) for operating the exhaust fan 51 about. How to control the ventilation unit that combines natural air and forced exhaust. 제2항에 있어서,The method of claim 2, 상기 모드선택단계(S200)에서 사용자가 수동모드를 선택하면 분기하여 상기 모드선택단계(S200)이후에 배기팬(51)의 속도를 사용자가 임의로 설정하는 팬속도설정단계(S440)와;A fan speed setting step (S440) of branching when the user selects the manual mode in the mode selection step (S200) and arbitrarily setting the speed of the exhaust fan 51 after the mode selection step (S200); 상기 팬속도설정단계(S440)에서 설정된 속도로 배기팬(51)을 작동시키는 배기팬작동단계(S450)와;An exhaust fan operation step S450 for operating the exhaust fan 51 at the speed set in the fan speed setting step S440; 사용자가 정지버튼(73)을 눌렀는지 확인하는 정지확인단계(S460)와;A stop checking step (S460) for checking whether the user has pressed the stop button 73; 상기 정지확인단계(S460)에서 정지버튼(73)이 눌려졌으면 배기팬(51)을 정지시키는 팬정지단계(S470)를 거쳐 상기 정지확인단계(S460)에서 정지버튼(73)이 눌려지지 않았으면 배기팬작동단계(S450)로 이동하여 반복되는 것을 특징으로 하는 자연급기와 강제배기를 겸한 환기 유니트 제어방법.If the stop button 73 is pressed in the stop checking step (S460), if the stop button 73 is not pressed in the stop checking step (S460) through the fan stop step (S470) of stopping the exhaust fan (51). Ventilation unit control method, combined with natural air and forced exhaust, characterized in that the repeating move to the exhaust fan operating step (S450).
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