KR20000000545A - Controlling method for absorption heating and cooling instrument - Google Patents

Controlling method for absorption heating and cooling instrument Download PDF

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Publication number
KR20000000545A
KR20000000545A KR1019980020214A KR19980020214A KR20000000545A KR 20000000545 A KR20000000545 A KR 20000000545A KR 1019980020214 A KR1019980020214 A KR 1019980020214A KR 19980020214 A KR19980020214 A KR 19980020214A KR 20000000545 A KR20000000545 A KR 20000000545A
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South Korea
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controlling
outdoor unit
indoor
load
room
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KR1019980020214A
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Korean (ko)
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박준형
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구자홍
엘지전자 주식회사
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Priority to KR1019980020214A priority Critical patent/KR20000000545A/en
Publication of KR20000000545A publication Critical patent/KR20000000545A/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56Remote control
    • F24F11/58Remote control using Internet communication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/008Sorption machines, plants or systems, operating continuously, e.g. absorption type with multi-stage operation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)
  • Sorption Type Refrigeration Machines (AREA)

Abstract

PURPOSE: A controlling method for an absorption heating and cooling instrument is provided to realize pleasant air conditioning and to correspond to a partial load for saving gas input into a system. CONSTITUTION: A controlling method for an absorption heating and cooling instrument comprises the following steps:a load deducing step deducing an amount of the whole heating and cooling load by transmitting and receiving controlling information including an established and a present temperatures of each room while two-way communicating between several indoor units and an outdoor unit(110); an energy source controlling step controlling the amount of input gas by the outdoor unit controlling a gas controlling valve(112); and an air fuel rate controlling step of the outdoor unit which is controlling the rotating number of an exhaust fan.

Description

흡수식 냉난방기의 제어방법Control method of absorption type air conditioner

본 발명은 흡수식 냉난방기의 제어방법에 관한 것으로, 특히 단일의 실외기에 복수의 실내기를 연결하여 운용할 때 상호간의 통신을 통한 시스템 제어를 수행하여 별도의 부품 추가 없이 시스템을 최적으로 운전할 수 있도록 한 흡수식 냉난방기의 제어방법에 관한 것이다.The present invention relates to a control method of an absorption type air conditioner, and in particular, an absorbent type that enables optimal operation of a system without additional parts by performing system control through communication between a plurality of indoor units operating a single outdoor unit. The present invention relates to a control method of an air conditioner.

종래의 흡수식 냉난방기는 주로 빌딩 공조용과 같은 대형 공조용으로 사용하였기 때문에 덕트를 이용하는 방식을 취하고 있다.Conventional absorption type air conditioners are mainly used for large air conditioning, such as for building air conditioning, so the duct is used.

따라서, 각 방마다 개별적으로 온도 제어를 실시할 수 없었고, 당연히 사용하지 않는 잉여의 찬(뜨거운) 공기는 외부로 손실되는 형태로 버려졌으며, 이러한 이유로 운전 효율이 저하되는 문제점이 있었다.Therefore, it was not possible to individually control the temperature in each room, and surplus cold (hot) air, which is not used naturally, was discarded in the form of loss to the outside, and for this reason, there was a problem that the operating efficiency was lowered.

특히, 하나의 방이라도 공조를 원하는 경우에도 대형 공조용인 전체 시스템을 운전하여야만 하였으므로 에너지 효율 측면에서 불리한 문제점이 있었다.In particular, even if one room wants air conditioning, the entire system for large air conditioning had to be operated, so there was a disadvantage in terms of energy efficiency.

따라서 본 발명은 상기한 종래 기술의 문제점을 해결하기 위해 제안한 것으로서, 단일의 실외기에 복수의 실내기를 연결하여 운용할 때 상호간의 통신을 통한 시스템 제어를 수행하여 별도의 부품 추가 없이 시스템을 최적으로 운전할 수 있도록 한 흡수식 냉난방기의 제어방법을 제공함으로써, 첫째: 각 방의 실내온도를 독립적으로 제어할 수 있게 하여 보다 쾌적한 공조를 실현할 수 있게 하고, 둘째: 부분 부하에 대응할 수 있게 하여 시스템에 입력되는 에너지원인 가스 소비를 줄일 수 있게 하는데 그 목적이 있다.Therefore, the present invention has been proposed to solve the above problems of the prior art, and when operating by connecting a plurality of indoor units to a single outdoor unit to perform the system control through communication between each other to optimally operate the system without adding additional parts By providing the control method of absorption type air conditioner, firstly, it is possible to independently control the room temperature of each room to realize more comfortable air-conditioning, and secondly, it is possible to cope with partial load and to input energy sources into the system. The purpose is to reduce gas consumption.

이러한 목적을 달성하기 위한 본 발명의 기술적 수단은, 복수의 실내기와 단일의 실외기간의 양방향 통신을 수행하되 각 방의 설정온도와 실내온도가 포함된 제어 정보를 송수신하여 전체 냉난방 부하량을 추론하는 부하량 추론단계와, 이 부하량 추론단계의 결과에 따라 실외기가 가스 제어 밸브를 제어하여 가스 입력량을 조절하는 에너지원 조절단계와, 이 에너지원 조절단계에서 조절되는 가스 입력량에 따라 공연비를 맞추어 효율이 높은 연소가 될 수 있도록 실외기가 배기팬의 회전수를 제어하는 공연비 조절단계와, 실외기와 양방향 통신을 수행하여 각 방의 풍량 제어 정보를 실내기가 수신하면 각각의 풍량 제어를 위하여 각각 실내팬의 회전수를 다단으로 제어하는 열교환 량 조절단계로 이루어짐을 특징으로 한다.The technical means of the present invention for achieving this purpose is to perform a two-way communication between a plurality of indoor units and a single outdoor period, but the load inference to infer the total heating and heating load by transmitting and receiving control information including the set temperature and the room temperature of each room And an energy source control step of controlling the gas input amount by controlling the gas control valve according to the result of the load inference step, and a highly efficient combustion by adjusting the air-fuel ratio according to the gas input amount controlled in this energy source control step. The air-fuel ratio adjustment step of controlling the rotation speed of the exhaust fan by the outdoor unit, and by performing the two-way communication with the outdoor unit, when the indoor unit receives the air volume control information of each room, the rotation speed of the indoor fan is multi-stage for each air volume control. Characterized in that the step of controlling the heat exchange amount to control.

도 1은 본 발명에 의한 흡수식 냉난방 시스템의 개략적인 구성도.1 is a schematic configuration diagram of an absorption type heating and cooling system according to the present invention.

도 2는 본 발명에 의한 흡수식 냉난방 시스템의 멀티 운전 제어기 구성도.2 is a configuration diagram of a multi-operation controller of the absorption type air conditioning system according to the present invention.

도 3은 도 2에 도시된 멀티 운전 제어기에서 가스 입력량 조절을 위한 세부 회로도.3 is a detailed circuit diagram for gas input amount control in the multi-operation controller shown in FIG.

도 4는 도 2에 도시된 멀티 운전 제어기에서 공연비 조절을 위한 세부 회로도.4 is a detailed circuit diagram for air-fuel ratio adjustment in the multi-operation controller shown in FIG.

도 5는 본 발명에 의한 흡수식 냉난방기의 제어방법을 설명하는 플로우차트.5 is a flowchart illustrating a control method of an absorption type air conditioner according to the present invention.

*** 도면의 주요 부분에 대한 부호의 설명 ****** Explanation of symbols for the main parts of the drawing ***

110 : 실외기 111 : 실외기 마이컴110: outdoor unit 111: outdoor unit microcomputer

112 : 가스 제어 밸브 113 : 배기팬112 gas control valve 113 exhaust fan

210,220,230 : 실내기 211,221,231 : 실내기 마이컴210,220,230: Indoor unit 211,221,231: Indoor unit Microcomputer

212,222,232 : 실내팬 301 : 유로관212,222,232: Indoor fan 301: Euro tube

이하, 본 발명을 첨부한 도면에 의거하여 설명하면 다음과 같다.Hereinafter, the present invention will be described with reference to the accompanying drawings.

본 발명에 의한 흡수식 냉난방 시스템은, 도 1의 개략적인 구성도에 나타낸 바와 같이, 단일의 실외기(110)에 복수의 실내기(210,220,230)를 병렬 연결하되 내장된 각각의 마이컴 상호간이 제어 정보(각 방의 설정온도와 실내온도)를 송수신하는 통신 라인을 구축하고, 실외기(110)와 실내기들(210,220,230) 사이에 냉방 또는 난방에 따라 냉/온수가 흐르는 유로관(301)을 설치 연결한다.In the absorption type heating and cooling system according to the present invention, as shown in the schematic configuration diagram of FIG. 1, a plurality of indoor units 210, 220, and 230 are connected in parallel to a single outdoor unit 110, and the respective microcomputer mutual control information (in each room) A communication line for transmitting and receiving a set temperature and room temperature) is established, and an installation / connection of a flow path tube 301 in which cold / hot water flows according to cooling or heating is performed between the outdoor unit 110 and the indoor units 210, 220, and 230.

도 2는 본 발명에 의한 흡수식 냉난방기의 제어방법을 수행하기 위한 멀티 운전 제어기의 구성도를 나타낸 것으로서, 실외기(110)에 내장된 각종 기기를 제어하는 단일의 실외기 마이컴(111)과, 상기 실외기 마이컴(111)과 양방향 통신의 수행과 아울러 실내기들(210,220,230)에 각각 내장된 각종 기기를 제어하는 복수의 실내기 마이컴(211,221,231)과, 상기 실외기 마이컴(111)의 제어신호에 따라 비례적으로 가스 입력량을 조절하는 가스 제어 밸브(112)와, 상기 실외기 마이컴(111)의 제어신호에 따라 회전수가 제어되어 공연비를 맞추는 배기팬(113)과, 상기 실내기 마이컴들(211,221,231)의 제어신호에 따라 회전수가 제어되어 열교환의 량을 조절하는 복수의 실내팬(212,222,232)으로 구성되어져 있다.2 is a block diagram of a multi-operation controller for performing the control method of the absorption type air conditioner according to the present invention. The single outdoor unit microcomputer 111 for controlling various devices embedded in the outdoor unit 110 and the outdoor unit microcomputer A plurality of indoor unit microcomputers 211, 221, 231 for controlling the various devices built into the indoor units 210, 220, 230, and bidirectional communication with the 111, and gas input amounts proportionally according to control signals of the outdoor unit microcomputer 111. The rotation speed is controlled according to the gas control valve 112 to be adjusted, the exhaust fan 113 to adjust the air-fuel ratio according to the control signal of the outdoor unit microcomputer 111, and the rotation speed according to the control signal of the indoor unit microcomputers 211, 221, 231. It consists of a plurality of indoor fans (212, 222, 232) for adjusting the amount of heat exchange.

이와 같이 구성된 본 발명의 동작 및 작용 효과를 첨부한 도면 도 1 내지 도 5를 참조하여 설명함에 있어서 도 5의 플로우차트를 기초로 하여 설명하면 다음과 같다.The operation and effect of the present invention configured as described above will be described with reference to the flowcharts of FIG. 5 in the accompanying drawings.

먼저, 실내기 마이컴(211,221,231)은 냉방 또는 난방 모드를 판별한 후 실외기 마이컴(111)과 양방향 통신을 수행하되, 먼저 실내기들(210,220,230)이 설치된 각 방의 설정온도와 실내온도 등이 포함된 제어 정보를 송신한다.(ST1)First, the indoor unit microcomputers 211, 221, 231 perform a two-way communication with the outdoor unit microcomputer 111 after determining a cooling or heating mode. First, control information including a set temperature and an indoor temperature of each room where the indoor units 210, 220, 230 are installed is determined. Transmit (ST1)

그러면, 실외기 마이컴(111)은 실내기 마이컴(211,221,231)으로부터 송신된 제어정보를 수신하여 전체 냉난방 부하량을 추론한다.(ST2)Then, the outdoor unit microcomputer 111 receives control information transmitted from the indoor unit microcomputers 211, 221, and 231 to infer the total cooling and heating load.

일예로, 실내기들(210,220,230)이 설치된 각 방의 설정온도와 실내온도가 아래의 표 1과 같을 때,For example, when the set temperature and the room temperature of each room where the indoor units 210, 220, 230 are installed are as shown in Table 1 below,

설정온도(℃)Set temperature (℃) 실내온도(℃)Room temperature (℃) 방1Room 1 2323 2626 방2Room 2 2222 2121 방3Room 3 2525 2828

실내온도가 설정온도보다 낮은 방2를 제외한 방1과 방3의 실내온도와 설정온도 차이의 합산 값인 6을 전체 냉난방 부하량으로 추론하는 것이다.The total cooling and heating load is inferred from the sum of the difference between the room temperature and the set temperature of rooms 1 and 3 except for room 2 where the room temperature is lower than the set temperature.

그리고, 추론된 냉난방 부하량에 따라 가스 제어 밸브(112)를 제어하여 가스 입력량을 조절하는데, 일예로 도 3에 도시된 가스 입력량 조절을 위한 세부 회로도에서 실외기 마이컴(111)이 추론된 냉난방 부하량 디지털 연산값을 아날로그 값으로 변환하여 제어신호로서 출력하면 이 제어신호에 따라 전류가 제어되므로 가스 제어 밸브(112)의 개폐율이 조절되어 가스 입력량이 조절된다. 이때, R4의 저항값에 따라 전류 제어폭이 결정된다.(ST3)In addition, the gas input valve is controlled by controlling the gas control valve 112 according to the inferred cooling / heating load amount. For example, a digital calculation of the heating / cooling load in which the outdoor unit microcomputer 111 is inferred from the detailed circuit diagram for adjusting the gas input amount shown in FIG. 3. When the value is converted into an analog value and output as a control signal, the current is controlled according to the control signal, so that the opening / closing ratio of the gas control valve 112 is adjusted to adjust the gas input amount. At this time, the current control width is determined according to the resistance value of R4. (ST3)

아울러, 실외기 마이컴(111)은 가스 입력량에 따라 공연비를 맞추어 효율이 높은 연소가 될 수 있도록 배기팬(113)의 회전수를 제어한다.(ST4)In addition, the outdoor unit microcomputer 111 controls the rotation speed of the exhaust fan 113 so that the combustion efficiency is high by adjusting the air-fuel ratio according to the gas input amount. (ST4)

일예로, 배기팬(113)으로 BLDC(BrushLess DC) 팬모터를 채용함과 아울러 피이드백 정보인 홀센서 신호를 실외기 마이컴(111)이 입력받으면 도 4에 도시된 공연비 조절을 위한 세부 회로에서 PWM 제어를 통해 정밀한 회전수 제어가 가능하다. 여기서, R3은 전류 제한 저항이다.For example, when the outdoor unit microcomputer 111 receives a Hall sensor signal that is a feedback information and employs a BLDC (BrushLess DC) fan motor as the exhaust fan 113, the PWM in the detailed circuit for adjusting the air-fuel ratio shown in FIG. The control enables precise rotation speed control. Where R3 is the current limiting resistor.

다음으로, 실외기 마이컴(111)이 풍량 제어 정보를 송신하면 이 제어 정보를 실내기 마이컴(211,221,231)에서 수신하여 각각의 실내기(210,220,230)측 냉난방 부하량에 따라 각각 실내팬(212,222,232)의 회전수가 다단으로 제어된다.(ST5)Next, when the outdoor unit microcomputer 111 transmits the air volume control information, the control unit receives the control information from the indoor unit microcomputers 211, 221, and 231, and controls the number of revolutions of the indoor fans 212, 222, 232 in multiple stages according to the air-conditioning load of each indoor unit 210, 220, 230. (ST5)

즉, 각 방의 설정온도와 실내온도가 상기한 표 1과 같을 때에 방2의 실내팬(222)은 구동되지 않고, 방1과 방3의 실내팬(212,232)은 각각 3℃의 온도차에 해당되는 회전수로 구동되어 풍량이 조절된다.That is, when the set temperature and the room temperature of each room are as shown in Table 1, the indoor fan 222 of the room 2 is not driven, and the indoor fans 212 and 232 of the room 1 and the room 3 correspond to a temperature difference of 3 ° C, respectively. It is driven by the rotational speed to control the air volume.

따라서, 실내기들(210,220,230) 중에서 실내기1(210)과 실내기3(230)의 열교환 량이 부분적으로 조절되는 것이다.Therefore, the heat exchange amount of the indoor unit 1 (210) and the indoor unit 3 (230) of the indoor units (210, 220, 230) is partially adjusted.

이상에서 설명한 바와 같이 본 발명은 흡수식 냉난방기에서 단일의 실외기와 복수의 실내기간의 통신을 통해 각각의 실내기가 개별적으로 운전되도록 함으로써, 각 방의 실내온도를 독립적으로 제어할 수 있게 하여 보다 쾌적한 공조를 실현할 수 있을 뿐만 아니라 부분 부하에 대응할 수 있게 하여 시스템에 입력되는 에너지원인 가스 소비를 줄일 수 있는 효과가 있다.As described above, the present invention allows each indoor unit to be operated individually through communication between a single outdoor unit and a plurality of indoor periods in an absorption type air conditioner, so that the indoor temperature of each room can be independently controlled to realize more comfortable air conditioning. In addition to being able to cope with partial load, it is possible to reduce the gas consumption, which is the energy source input into the system.

Claims (1)

복수의 실내기와 단일의 실외기간의 양방향 통신을 수행하되 각 방의 설정온도와 실내온도가 포함된 제어 정보를 송수신하여 전체 냉난방 부하량을 추론하는 부하량 추론단계와,A load inferencing step of performing bidirectional communication between a plurality of indoor units and a single outdoor period, and inferring an overall cooling / heating load by transmitting and receiving control information including a set temperature and an indoor temperature of each room; 상기 부하량 추론단계의 결과에 따라 상기 실외기가 가스 제어 밸브를 제어하여 가스 입력량을 조절하는 에너지원 조절단계와,An energy source control step of controlling the gas input amount by controlling the gas control valve according to the result of the load inference step; 상기 에너지원 조절단계에서 조절되는 가스 입력량에 따라 공연비를 맞추어 효율이 높은 연소가 될 수 있도록 상기 실외기가 배기팬의 회전수를 제어하는 공연비 조절단계와,An air-fuel ratio adjusting step of controlling the rotation speed of the exhaust fan so that the air-fuel ratio is adjusted according to the gas input amount adjusted in the energy source adjusting step so that the combustion can be performed with high efficiency; 상기 실외기와 양방향 통신을 수행하여 각 방의 풍량 제어 정보를 상기 실내기가 수신하면 각각의 풍량 제어를 위하여 각각 실내팬의 회전수를 다단으로 제어하는 열교환 량 조절단계를 포함하여 이루어진 것을 특징으로 하는 흡수식 냉난방기의 제어방법.When the indoor unit receives the air volume control information of each room by performing the two-way communication with the outdoor unit, the heat exchange amount adjusting step of controlling the rotation speed of the indoor fan in multiple stages for each air volume control, characterized in that it comprises a heat exchanger Control method.
KR1019980020214A 1998-06-01 1998-06-01 Controlling method for absorption heating and cooling instrument KR20000000545A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100692121B1 (en) * 2005-09-07 2007-03-12 최영락 A boiler providing heat coil werated electric power
KR100761287B1 (en) * 2005-02-02 2007-09-27 엘지전자 주식회사 Lock Available Multi Air-Conditioner System and the Locking Method for the Same
KR100981859B1 (en) * 2005-05-31 2010-09-13 엘지전자 주식회사 Outdoor unit for split type air-conditioner

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100761287B1 (en) * 2005-02-02 2007-09-27 엘지전자 주식회사 Lock Available Multi Air-Conditioner System and the Locking Method for the Same
KR100981859B1 (en) * 2005-05-31 2010-09-13 엘지전자 주식회사 Outdoor unit for split type air-conditioner
KR100692121B1 (en) * 2005-09-07 2007-03-12 최영락 A boiler providing heat coil werated electric power

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