KR20200012087A - An outdoor fan switch for anti-fire - Google Patents

An outdoor fan switch for anti-fire Download PDF

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KR20200012087A
KR20200012087A KR1020180086915A KR20180086915A KR20200012087A KR 20200012087 A KR20200012087 A KR 20200012087A KR 1020180086915 A KR1020180086915 A KR 1020180086915A KR 20180086915 A KR20180086915 A KR 20180086915A KR 20200012087 A KR20200012087 A KR 20200012087A
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outdoor unit
air temperature
switch
outdoor
microcomputer
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KR1020180086915A
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Korean (ko)
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KR102154394B1 (en
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윤홍식
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(주)대우건설
클리오주식회사
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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
    • F24F11/38—Failure diagnosis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The present invention relates to a fire protection switch for an outdoor unit, wherein an indoor temperature detection sensor and an outdoor temperature detection sensor, along with an outdoor air temperature detection sensor, are installed at a switch for an outdoor unit to supply power to an outdoor unit, in order to automatically block power supply to the outdoor unit when an abnormal state occurs due to deterioration, dust, or a contact failure of the outdoor unit. To this end, the present invention comprises: an indoor/outdoor air temperature detection sensor (1, 2) to detect the temperature of air on the inside and the outside of an outdoor unit switch (8); a terminal temperature detection sensor (3) to detect the temperature of a terminal of the outdoor unit switch; and an electric current incremental calculation unit (4). When a data input unit (5) receives data of the indoor air temperature detection sensor (1) and the outdoor air temperature detection sensor (2), the terminal temperature detection sensor (3), and the electric current incremental calculation unit (4) and transmits the same to a microcomputer (6), the microcomputer (6) performs control corresponding to the inputted data. Here, when the indoor temperature, the outdoor temperature, the terminal temperature, or the electric current increment is higher than a predetermined value according to a software built in the microcomputer (6), the microcomputer (6) recognizes an abnormal state, thereby automatically blocking the power supplied to an outdoor unit (10).

Description

실외기 화재방지 스위치{An outdoor fan switch for anti-fire}Outdoor unit fire protection switch {An outdoor fan switch for anti-fire}

본 발명은 실외기 화재방지 스위치에 관한 것으로, 특히 실외기에 전원 공급을 제어하는 실외기 스위치의 내부 온도 감지와 외부 온도 그리고 외부 공기 온도 와 전류증분을 감지하여 실외기의 노후나 먼지 또는 접촉 불량이나 회로소자의 고장 및 열발생으로 인한 전류를 측정하여 이상 상태 발생시 자동적으로 실외기로의 AC 전원 공급을 차단하여 실외기 화재를 사전에 방지할 수 있도록 한 것이다.The present invention relates to an outdoor unit fire protection switch, and in particular, by detecting the internal temperature and the external temperature, the external air temperature and the current increment of the outdoor unit switch controlling the power supply to the outdoor unit, It measures current by failure and heat generation and automatically cuts off AC power supply to outdoor unit in case of abnormal condition so that outdoor unit fire can be prevented in advance.

일반적으로 아파트의 경우, 실내에 공기조화기(예컨대, 에어콘)를 설치하고 이러한 에어컨과 제어선을 통하여 연결된 실외기는 베란다 등의 외부에 별도로 설치하여 사용하고 있으며, 상기 실외기의 AC 전원 공급으르 제어하기 위한 실외기 스위치가 벽에 설치되어 사용된다. In general, in an apartment, an air conditioner (eg, an air conditioner) is installed indoors, and an outdoor unit connected to the air conditioner and the control line is separately installed and used outside the veranda, and the AC power supply of the outdoor unit is controlled. The outdoor unit switch is installed on the wall and used.

이러한 스위치는 텀블러 스위치로 사용자가 수동적으로 온/오프를 해서 실외기의 동작을 제어해 주어야 하는 불편함이 있었다.Such a switch has a inconvenience that the user has to manually turn on / off the tumbler switch to control the operation of the outdoor unit.

그러나 종래에는 가끔 실외기에서 기기 노후나 먼지, 접촉 불량 등으로 인하여 화재가 발생되는 결점이 있었다. However, in the related art, there is a drawback that a fire sometimes occurs due to device aging, dust, or poor contact in an outdoor unit.

또한, 회로소자의 고장 및 열발생에 의한 입력 전류의 이상으로 인하여 실외기에 화재가 발생되는 결점도 있었다.In addition, there is a drawback that a fire occurs in an outdoor unit due to a failure of a circuit element and an abnormal input current due to heat generation.

특허출원 제10-2000-0062296호Patent Application No. 10-2000-0062296 특허출원 제10-2012-0028860호Patent Application No. 10-2012-0028860

본 발명은 이와 같은 종래의 결점을 해결하기 위한 것으로, 본 발명의 목적은, 아파트 등의 벽에 실외기 전원을 공급 또는 차단하기 위해 별도로 설치된 실외기 스위치를 이상상태발생시에 자동으로 제어하기 위한 것으로, 실외기 스위치 내부 및 외부에서 공기 온도와 열을 감지함과 함께 전류의 증분을 산출하여 이상상태 발생시 고장으로 판단하여 실외기의 AC 전원 공급을 제어할 수 있도록 하는 실외기 화재방지 스위치를 제공하는데 있다.The present invention is to solve such a conventional drawback, the object of the present invention is to automatically control the outdoor unit switch installed separately to supply or cut off the outdoor unit power on the wall of the apartment, etc., when an abnormal condition occurs, the outdoor unit The present invention provides an outdoor unit fire protection switch that detects air temperature and heat inside and outside the switch, calculates an increment of current, and judges a failure when an abnormal condition occurs to control the AC power supply of the outdoor unit.

이와 같은 목적을 달성하기 위한 본 발명은 실외기 화재방지 스위치 내부와 외부의 공기 온도를 감지하기 위한 내부/외부 공기 온도감지센서 및 실외기 스위치의 단자 온도를 감지하기 위한 단자 온도 감지 센서를 구비하고, 상기 내부공기온도감지센서와 외부공기온도감지센서 및 단자온도감지센서의 데이타 그리고 전류증분에 따른 데이타를 입력받아 이를 마이컴으로 보내면 마이컴에서는 입력되는 데이타에 따라 해당되는 제어를 수행하게 되는데 상기 마이컴에 내장된 소프트 프로그램에 따라 내부온도나 외부온도 또는 단자온도나 전류증가분이 기설정된 기준치보다 높을 경우 마이컴에서는 이상상태로 인식하여 실외기로 인가되는 AC 전원 공급을 자동적으로 차단하도록 구성함을 특징으로 한다.The present invention for achieving the above object is provided with an internal / external air temperature sensor for detecting the air temperature inside and outside the outdoor unit fire protection switch and a terminal temperature sensor for sensing the terminal temperature of the outdoor unit switch, When the internal air temperature sensor, the external air temperature sensor and the terminal temperature sensor data and the data according to the current increment are received and sent to the microcomputer, the microcomputer performs the corresponding control according to the input data. According to the software program, if the internal temperature, external temperature or terminal temperature or current increase is higher than the preset reference value, the microcomputer recognizes the abnormal condition and automatically cuts off the AC power supply to the outdoor unit.

이상에서 상세히 설명한 바와 같은 본 발명은 실외기 화재방지 스위치 내외부에 공기온도감지센서와 단자온도감지센서 그리고 전류증분산출부를 설치하여 공기온도와 단자온도 및 전류증가분을 감지하면 이를 근거로 마이컴에서 실외기의 이상발생시 실외기로의 AC 전원공급을 자동으로 차단하도록 함으로써 실외기에서의 노후나 먼지 또는 접촉불량이나 전류증가분 등의 이상 발생으로 인한 화재를 사전에 방지할 수 있는 효과가 있다.According to the present invention as described in detail above, when the air temperature sensor, the terminal temperature sensor, and the current increment calculation unit are installed inside and outside the outdoor unit fire protection switch, the air temperature, the terminal temperature, and the current increase are detected based on this. When the AC power supply to the outdoor unit is automatically cut off, it is possible to prevent the fire caused by the aging of the outdoor unit or the occurrence of abnormality such as a bad contact or current increase in the outdoor unit.

도 1은 본 발명 실외기 화재방지 스위치의 블럭도
도 2는 본 발명 마이컴에 내장된 소프트 프로그램의 동작 흐름도이다
도 3은 본 발명의 시간당 전류증가분 산출에 따른 이상상태를 설명하기 위한그래프를 나타낸 것이다.1 is a block diagram of the outdoor unit fire protection switch of the present invention
2 is an operation flowchart of a soft program embedded in the microcomputer of the present invention.
Figure 3 shows a graph for explaining the abnormal state according to the calculation of the current increase per hour of the present invention.

이하, 본 발명의 실시예를 첨부된 도면을 따라 상세히 설명하면 다음과 같다.Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명 실외기 화재방지 스위치의 구성을 나타낸 도면이고, 도 2는 본 발명의 마이컴에 내장된 소프트 프로그램의 동작흐름도를 나타낸 것이며, 도 3은 전류증가분에 따른 그래프를 나타낸 것으로, 실외기 스위치 내부의 공기 온도를 감지하기 위한 내부공기 온도감지센서(1)와, 실외기 스위치 외부의 공기 온도를 감지하기 위한 외부 공기 온도감지센서(2)와, 실외기 스위치의 단자 온도를 감지하기 위한 단자 온도 감지 센서(3)와, 열발생에 의한 전류증분을 산출하는 전류증분 산출부(4)와, 상기 내부공기온도감지센서(1)와 외부공기온도감지센서(2) 그리고 단자온도감지센서(3)와 전류증가분 산출부(4)로부터의 데이타를 입력받는 데이타 입력부(5)와, 상기 데이타 입력부(5)의 출력단에 연결되어 입력되는 데이타에 따라 해당되는 제어를 수행하기 위한 마이컴(6)과, 상기 마이컴(6)에 의해 처리된 데이타에 따라 실외기 스위치(8)의 전원공급을 차단하기 위한 스위치 차단부(7)와, 상기 실외기 스위치(8)로부터 제어선(9)을 통하여 AC 전원을 공급받아 동작하는 실외기(10)를 포함하여 구성된 것이다.Figure 1 is a view showing the configuration of the outdoor unit fire protection switch of the present invention, Figure 2 shows the operation flow diagram of the soft program built in the microcomputer of the present invention, Figure 3 shows a graph according to the increase of the current, the outdoor unit switch inside Internal air temperature sensor (1) for sensing the air temperature of the outdoor unit, External air temperature sensor (2) for sensing the air temperature outside the outdoor unit switch, and Terminal temperature sensor for detecting the terminal temperature of the outdoor unit switch (3), a current increment calculator (4) for calculating a current increase due to heat generation, the internal air temperature sensor (1), an external air temperature sensor (2), and a terminal temperature sensor (3) To perform the corresponding control according to the data input unit 5 for receiving data from the current increase calculation unit 4 and the data input connected to the output terminal of the data input unit 5. A microcomputer 6, a switch disconnecting unit 7 for interrupting power supply of the outdoor unit switch 8 according to the data processed by the microcomputer 6, and a control line 9 from the outdoor unit switch 8 It is configured to include an outdoor unit 10 to operate by receiving AC power through).

이와 같이 구성된 본 발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above are as follows.

본 발명은 공기조화기의 실외기(10)와 연결되어 전원의 온 오프를 제어하는 실외기 스위치(8)에 내부공기온도감지센서(1)와 외부공기온도감지센서(2) 그리고 단지온도감지센서(3)와 전류증가산출부(4)를 구비하여 이들로 하여금 스위치 내부와 외부의 온도 및 열을 갑지하고, 열발생에 의한 전류증가분을 측정하도록 한다.The present invention is connected to the outdoor unit 10 of the air conditioner, the internal air temperature sensor (1) and the external air temperature sensor (2) and only the temperature sensor in the outdoor unit switch (8) to control the power on and off ( 3) and a current increase calculation unit 4 are provided so as to facilitate the temperature and heat inside and outside the switch, and to measure the current increase due to heat generation.

따라서, 상기 내부공기온도감지센서(1)와 외부공기온도감지센서(2) 및 단자온도 감지센서(3) 그리고 전류증분산출부(4)에 의해 감지된 데이타가 데이타 입력부(5)로 입력되면 이러한 데이타 입력부(5)에서는 입력되는 데이타를 취합하여 이를 마이컴(6)으로 보낸다.Accordingly, when the data sensed by the internal air temperature sensor 1, the external air temperature sensor 2, the terminal temperature sensor 3, and the current increment calculator 4 are input to the data input unit 5, The data input unit 5 collects the input data and sends it to the microcomputer 6.

그러면 마이컴(6)에서는 내장된 소프트 프로그램에 따라 도 2와 같은 동작흐름에 따른 제어를 수행하게 된다.Then, the microcomputer 6 performs control according to the operation flow as shown in FIG. 2 according to the built-in soft program.

즉, 내부공기온도와 외부공기온도 및 단자온도 그리고 전류 증분을 선출하여 기설정된 데이타와 비교함으로써 내부공기온도나 외부 공기온도 또는 단자온도나 전류증분이 기설정된 데이타보다 높을 경우에는 마이컴(6)에서 이를 인식하여 스위치 차단부(7)를 차단하도록 제어하게 된다.That is, the internal air temperature, the external air temperature, the terminal temperature, and the current increment are selected and compared with the preset data. If the internal air temperature, the external air temperature, or the terminal temperature or the current increment is higher than the preset data, the microcomputer 6 By recognizing this it is controlled to block the switch blocking unit (7).

여기서, 상기 마이컴(6)의 램(RAM)에는 입력되는 데이타와 비교하기 위한 기준 데이타가 입력되어 있어 입력치와 기준치를 상호 비교하게 된다. Here, the reference data for comparison with the input data is input to the RAM of the microcomputer 6, and the input value and the reference value are compared with each other.

따라서, 내부공기온도와 외부공기온도 및 단자온도 그리고 전류증분이 설정치보다 높을 경우, 즉, 이상상태 발생시, 실외기 스위치(8)의 스위치 차단부(7)가 실외기(10)로의 AC 전원공급을 자동적으로 차단하게 되어 실외기(10)의 동작을 정지하도록 제어함으로써 이상상태 발생시 실외기(10)의 화재 사고를 사전에 방지할 수 있게 되는 것이다.Therefore, when the internal air temperature, the external air temperature, the terminal temperature, and the current increment are higher than the set value, that is, when an abnormal condition occurs, the switch breaker 7 of the outdoor unit switch 8 automatically supplies the AC power to the outdoor unit 10. By blocking the control unit to stop the operation of the outdoor unit 10 to prevent a fire accident of the outdoor unit 10 when an abnormal state occurs.

1:내부공기온도감지센서 2:외부공기온도감지센서
3:단자온도감지센서 4:전류증분산출부
5:데이타 입력부 6:마이컴
7:스위치 차단부 8:실외기 스위치
9:제어선 10:실외기1: Internal air temperature sensor 2: External air temperature sensor
3: Terminal temperature sensor 4: Current increment calculation part
5: Data input part 6: Microcomputer
7: Switch breaker 8: Outdoor switch
9: control line 10: outdoor unit

Claims (3)

실외기 스위치(7) 내부의 공기 온도를 감지하기 위한 내부공기 온도감지센서(1)와, 실외기 스위치 외부의 공기 온도를 감지하기 위한 외부 공기 온도감지센서(2)와, 실외기 스위치의 단자 온도를 감지하기 위한 단자 온도 감지 센서(3)와, 상기 내부공기온도감지센서(1)와 외부공기온도감지센서(2) 및 단자온도감지센서(3)로부터 데이타를 입력받는 데이타 입력부(5)와, 상기 데이타 입력부(5)의 출력단에 연결되어 입력 데이타에 따른 해당 제어를 수행하며, 내부공기온도나 외부공기온도 또는 단지온도가 기설정치보다 높을 때 전원을 차단하도록 제어하기 위한 마이컴(6)과, 상기 마이컴(6)에 의해 처리된 데이타에 따라 이상 상태발생시 실외기(10)로의 AC 전원공급을 차단하기 위한 스위치 차단부(7)를 포함하여 구성된 것을 특징으로 하는 실외기 화재방지 스위치.
Internal air temperature sensor (1) for sensing the air temperature inside the outdoor unit switch (7), external air temperature sensor (2) for sensing the air temperature outside the outdoor unit switch, and terminal temperature of the outdoor unit switch A terminal temperature sensor (3), a data input unit (5) for receiving data from the internal air temperature sensor (1), an external air temperature sensor (2), and a terminal temperature sensor (3); It is connected to the output terminal of the data input unit 5 performs a corresponding control according to the input data, and the microcomputer 6 for controlling to cut off the power when the internal air temperature, the external air temperature or the jar temperature is higher than the preset value, and Outdoor unit fire protection, characterized in that it comprises a switch disconnecting unit (7) for cutting off the AC power supply to the outdoor unit 10 in the event of an abnormal condition in accordance with the data processed by the microcomputer (6) Location.
제1항에 있어서, 상기 마이컴(6)의 램(RAM)에 내부공기온도, 외부공기온도, 단자온도, 전류증분에 대한 기준치가 설정되어 있어 입력치와 기준치를 상호 비교할 수 있도록 구성된 것을 특징으로 하는 실외기 화재방지 스위치.
The method of claim 1, wherein reference values for internal air temperature, external air temperature, terminal temperature, and current increment are set in the RAM of the microcomputer 6, so that the input values and the reference values can be compared with each other. Outdoor unit fire protection switch.
제1항에 있어서, 상기 전류증분 산출부(4)가, 스위치온시 전류초기화 상태에서 시간당 전류 증분을 산출하여 정상전류치보다 높을시 고장으로 인식하도록 구성된 것을 특징으로 하는 실외기 화재방지 스위치.       The outdoor unit fire protection switch according to claim 1, wherein the current increment calculating unit (4) is configured to calculate a current increment per hour in the current initialization state at the time of switching on and recognize it as a failure when it is higher than the normal current value.
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