KR970075722A - Refrigerant recovery device and control method of air conditioner - Google Patents

Refrigerant recovery device and control method of air conditioner Download PDF

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Publication number
KR970075722A
KR970075722A KR1019960017566A KR19960017566A KR970075722A KR 970075722 A KR970075722 A KR 970075722A KR 1019960017566 A KR1019960017566 A KR 1019960017566A KR 19960017566 A KR19960017566 A KR 19960017566A KR 970075722 A KR970075722 A KR 970075722A
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KR
South Korea
Prior art keywords
refrigerant recovery
relay
display means
refrigerant
air conditioner
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KR1019960017566A
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Korean (ko)
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KR0158993B1 (en
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김중호
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김광호
삼성전자 주식회사
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Priority to KR1019960017566A priority Critical patent/KR0158993B1/en
Publication of KR970075722A publication Critical patent/KR970075722A/en
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Publication of KR0158993B1 publication Critical patent/KR0158993B1/en

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    • 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
    • F25B45/00Arrangements for charging or discharging refrigerant
    • 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
    • F25B2345/00Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/003Control issues for charging or collecting refrigerant to or from a cycle
    • 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
    • F25B2345/00Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/006Details for charging or discharging refrigerants; Service stations therefor characterised by charging or discharging valves

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

본 발명은 공기조화기의 냉매회수 시스템에서 공기 조화기 냉매회수시 발생되는 냉매누설을 전문적으로 방지하기 위해 전문가만이 취급하던 냉매 회수를 일반인도 냉매누설없이 손쉽게 취급할 수 있도록 한 공기조화기의 냉매회수 장치 및 제어방법에 관한 것으로, 제1전자밸브(25)를 상기 실외기(20) 내부에 설치하되 응축기의 출력단 소정 위치에 설치하고, 제2전자밸브(26)를 상기 실외기(20) 내부에 설치하되 압축기의 입력단 소정위치에 설치하며, 온도센서(Ts)를 상기 실외기(20) 내부에 설치하되 상기 제1전자밸브의 출력단 소정위치에 설치하고, 제어판넬(30)에 냉매회수시 사용되는 냉매회수 스위치(31)와, 이 냉매회수 스위치(31)가 온되면 디스플에이되는 냉매회수 표시수단(32)을 설치하도록 구성한다.The present invention relates to a refrigerant recovery system for an air conditioner, an air conditioner having an air conditioner capable of easily handling a refrigerant recovered by a specialist only without special refrigerant leakage in order to professionally prevent leakage of refrigerant, The first solenoid valve 25 is installed inside the outdoor unit 20 and is installed at a predetermined position of the output end of the condenser and the second solenoid valve 26 is connected to the inside of the outdoor unit 20 A temperature sensor Ts is installed inside the outdoor unit 20 and is installed at a predetermined position of an output end of the first solenoid valve and is used for returning refrigerant to the control panel 30 , And a refrigerant recovery display means (32) which is displayed when the refrigerant recovery switch (31) is turned on.

Description

공기조화기의 냉매회수 장치 및 제어방법Refrigerant recovery device and control method of air conditioner

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제2도는 본 발명의 공기조화기의 냉매가스 순환 개략도 제3도는 본 발명에 의한 제어 플로우챠트.FIG. 2 is a schematic diagram of refrigerant gas circulation in the air conditioner of the present invention. FIG. 3 is a control flow chart according to the present invention. FIG.

Claims (8)

실내기와 실외기로 구분된 공기조화기에 있어서 : 상기 실외기 내부에 설치되되, 응축기의 출력단 소정위치에 설치된 제1전자밸브와; 상기 실외기 내부에 설치되되, 압축기의 입력단 소정위치에 설치된 제2전자밸브와; 상기 실외기 내부에 설치되되 상기 제1전자밸브의 출력단 소정위치에 설치되어, 상기 각 제1 및 제2전자밸브를 온도에 따라 제어하기 위한 온도센서와; 냉매회수시 사용되는 냉매회수 스위치와; 냉매회수 스위치가 온되면 디스플레이되는 냉매회수 표시수단과; 상기 냉매회수 표시수단을 구동시키기 위한 표시수단 구동부와; 상기 제1전자밸브를 개폐시키기 위한 제2릴레이와; 상기 제2전자밸브를 개폐시키기 위한 제1릴레이와; 상기 제1릴레이를 구동시키기 위한 제1릴레이 구동부와; 상기 제2릴레이를 구동시키기 위한 제2릴레이 구동부를 포함함을 특징으로 하는 공기조화기의 냉매회수 장치.An air conditioner, comprising: an indoor unit and an outdoor unit, the air conditioner comprising: a first electromagnetic valve installed inside the outdoor unit, the first electromagnetic valve being installed at a predetermined position of an output end of the condenser; A second solenoid valve installed in the outdoor unit, the second solenoid valve being installed at a predetermined position of an input end of the compressor; A temperature sensor installed inside the outdoor unit and provided at a predetermined position of an output end of the first solenoid valve and controlling the first and second solenoid valves according to temperature; A refrigerant recovery switch used for recovering refrigerant; A refrigerant recovery display unit that is displayed when the refrigerant recovery switch is turned on; A display means driving unit for driving the refrigerant recovery display means; A second relay for opening and closing the first electromagnetic valve; A first relay for opening and closing the second solenoid valve; A first relay driver for driving the first relay; And a second relay driving unit for driving the second relay. 제1항에 있어서, 상기 냉매회수 표시수단은LED로 구성됨을 특징으로 하는 공지조화기의 냉매회수 장치.The refrigerant recovery apparatus of claim 1, wherein the refrigerant recovery display means comprises an LED. 제1항 또는 제2항에 있어서, 상기 냉매회수 표시수단은 부져로 구성됨을 특징으로 하는 공기조화기의 냉매회수 장치.The refrigerant recovery apparatus of claim 1 or 2, wherein the refrigerant recovery display means comprises a buzzer. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 냉매회수 표시수단은 멜로디 IC로 구성됨을 특징으로 하는 공기조화기의 냉매회수 장치.The refrigerant recovery device according to any one of claims 1 to 3, wherein the refrigerant recovery display means comprises a melody IC. 제1항에 있어서, 상기 제2릴레이 구동부는 분배저항(R10, R11)으로 분압된 전압이 이 에미터 접지된 트랜지스터(Q2)의 베이스에 인가되도록 연결되고, 이 트랜지스터(Q2)의 콜렉터에 제2릴레이(RY2)의 코일(L)이 연결되도록 구성됨을 특징으로 하는 공기조화기의 냉매 회수장치.2. The transistor of claim 1, wherein the second relay driver is connected such that the voltage divided by the distribution resistors R10 and R11 is applied to the base of the emitter grounded transistor Q2, And the coil (L) of the second relay (RY2) are connected to each other. 제1항에 있어서, 제1릴레이 구동부는 상기 온도센서(Ts)와 저항(R1)으로 분압된 전압이 비교기(COM1)의 반전단자(-)에 인가되도록 연결되고, 분배저(R3, R4)으로 분압설정된 전압이 상기 비교기 (COM1)의 비반전단자(+)에 인가되도록 연결되며, 이 비교기(COM1)의 출력이 에미터 접비된 트랜지스터(Q1)의 베이스에 연결되고, 상기 트랜지스터(Q1)의 콜렉터에 제어전압(Vcc)과 연결된 제1릴레이(RY1)의 코일(L)에 연결되도록 구성됨을 특징으로 하는 공기조화기의 냉매회수장치.The relay driver according to claim 1, wherein the first relay driver is connected such that the voltage divided by the temperature sensor Ts and the resistor R1 is applied to the inverting terminal (-) of the comparator COM1, Inverting terminal of the comparator COM1 and the output of the comparator COM1 is connected to the base of the emitter-coupled transistor Q1 and the voltage of the transistor Q1 is connected to the non- Is connected to the collector of the first relay (RY1) connected to the control voltage (Vcc) to the coil (L) of the first relay (RY1). 제1항에 있어서, 상기 표시수단 구동부는 분배저항(R6, R7)으로 분압된 전압이 비교기(COM2)의 비반전단자(+)에 인가되도록 연결되고, 제1릴레이 구동부(50)의 비교기(COM1) 반전단자가 상기 비교기 (COM2)의 반전단자(-)에 연결되며, 이 비교기(COM2)의 출력이 에미터 접지된 트랜지스터(Q3)의 베이스에 연결되고, 상기 트랜지스터(Q3)의 콜렉터에 제어전압(Vcc)과 연결된 냉매회수 표시수단(32)에 연결되도록 구성됨을 특징으로 하는 공기조화기의 냉매회수 장치.The display unit driving unit according to claim 1, wherein the display unit driving unit is connected such that the voltage divided by the distribution resistors R6 and R7 is applied to the non-inverting terminal (+) of the comparator COM2, The inverting terminal of the transistor Q3 is connected to the inverting terminal of the comparator COM2 and the output of the comparator COM2 is connected to the base of the emitter grounded transistor Q3, Is connected to the refrigerant recovery display means (32) connected to the control voltage (Vcc). 사용자가 제어판넬(30)에 설치된 냉매회수 스위치(31)를 온시키는 냉매회수 작동단계와; 냉매 회수 스위치(31)를 온되면 냉매회수 표시수단(32)이 켜지는 디스플레이단계와; 공기조화기의 운전사이클 모드를 판단하는 제1판단단계와; 판단하여 난방모드일 경우, 공기조화기 내부에 설치된 4웨이밸브의 기능을 전환하여 냉방모드로 전환하는 냉방모드 전환단계와; 운전사이클 모드가 냉방모드일 경우, 압축기(21)를 조건없이 강제로 기동시키는 압축기 구동단계와; 온도센서(Tc)를 통해 현재의 온도(A)를 감지한 다음, 미도시된 메모리에 저장시키는 저장단계와; 제1전자밸브(25)를 오프시켜 클로즈상태로 만드는 제1전자밸브 차단단계와; 온도센서(Tc)를 통해 현재의 온도를 체크하여 설정된 온도(B)에 도달될 때까지 체크하는 온도 체크단계와; 현재온도(A)가 설정된 온도(B)에 도달되었는 가를 판단하는 제2판단단계와; 상기 제2판단단계에서 판단하여 현재 온도가 설정온도에 도달되었으면, 제2전자밸브(26)를 오프시켜 클로즈 상태로 만드는 제2전자밸브 차단단계와; 냉매회수 표시수단(32)을 오프시키는 디스플레이 오프단계와; 압축기(21)의 작동을 정지시키는 압축기구동 정지단계의 과정을 거치도록 함을 특징으로 하는 공기조화기의 냉매회수 제어방법.A refrigerant recovery operation step in which the user turns on the refrigerant recovery switch 31 installed in the control panel 30; A display step of turning on the refrigerant recovery display means (32) when the refrigerant recovery switch (31) is turned on; A first judging step of judging an operating cycle mode of the air conditioner; Way switching valve provided in the air conditioner to switch to a cooling mode when the mode is determined to be a heating mode; A compressor driving step of forcibly starting the compressor (21) without a condition when the driving cycle mode is the cooling mode; A storage step of sensing the current temperature A through a temperature sensor Tc and storing the current temperature A in a memory not shown; A first electromagnetic valve blocking step of turning off the first electromagnetic valve (25) to close the first electromagnetic valve (25); Checking the current temperature through the temperature sensor (Tc) and checking until the set temperature (B) is reached; A second judgment step of judging whether or not the present temperature A has reached the set temperature B; Closing the second solenoid valve (26) to close the second solenoid valve (26) when the current temperature has reached the set temperature; A display-off step of turning off the refrigerant recovery display means (32); And stopping the operation of the compressor (21) to stop the operation of the compressor (21). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960017566A 1996-05-22 1996-05-22 Device for collecting refrigerant and control method in airconditioner KR0158993B1 (en)

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KR1019960017566A KR0158993B1 (en) 1996-05-22 1996-05-22 Device for collecting refrigerant and control method in airconditioner

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Application Number Priority Date Filing Date Title
KR1019960017566A KR0158993B1 (en) 1996-05-22 1996-05-22 Device for collecting refrigerant and control method in airconditioner

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KR0158993B1 KR0158993B1 (en) 1999-01-15

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Publication number Priority date Publication date Assignee Title
KR101401772B1 (en) * 2007-11-23 2014-05-30 엘지전자 주식회사 A transfer method of refrigerant for air conditioner
US11732916B2 (en) 2020-06-08 2023-08-22 Emerson Climate Technologies, Inc. Refrigeration leak detection
US11754324B2 (en) 2020-09-14 2023-09-12 Copeland Lp Refrigerant isolation using a reversing valve
US11940188B2 (en) 2021-03-23 2024-03-26 Copeland Lp Hybrid heat-pump system

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