KR880011537A - Multi-room air conditioner - Google Patents

Multi-room air conditioner Download PDF

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Publication number
KR880011537A
KR880011537A KR1019880000770A KR880000770A KR880011537A KR 880011537 A KR880011537 A KR 880011537A KR 1019880000770 A KR1019880000770 A KR 1019880000770A KR 880000770 A KR880000770 A KR 880000770A KR 880011537 A KR880011537 A KR 880011537A
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KR
South Korea
Prior art keywords
refrigerant
air conditioner
indoor unit
pump type
unit
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Application number
KR1019880000770A
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Korean (ko)
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KR920004952B1 (en
Inventor
겐지 야마자끼
가나메 소오도메
도미오 요시가와
쓰요시 히요시
오사무 히끼
Original Assignee
미다 가쓰시게
가부시기가이샤 히다찌 세이사꾸쇼
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Publication of KR880011537A publication Critical patent/KR880011537A/en
Application granted granted Critical
Publication of KR920004952B1 publication Critical patent/KR920004952B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/19—Refrigerant outlet condenser temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/21—Refrigerant outlet evaporator temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/04—Refrigerant level
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B45/00—Arrangements for charging or discharging refrigerant

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

내용 없음No content

Description

다실형 공기조화장치Multi-room air conditioner

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 다실형 공기 조화장치의 한 실시예를 나타낸 냉동싸이클 계통도.1 is a refrigeration cycle system diagram showing an embodiment of the multi-chamber air conditioner of the present invention.

제2도는 냉매과냉각도 및 냉매과열도, 정역류형 전동식 팽창밸브, 전자밸브의 제어상태를 나타내는 주요제어 요소 상태도.2 is a state diagram of the main control elements showing the control state of the refrigerant supercooling degree and the refrigerant superheat degree, the forward flow type electric expansion valve and the solenoid valve.

제3도는 제어전체의 플로우챠트.3 is a flowchart of the entire control.

제4도는 제3도에 일부처리 H를 부가한 제어플로우챠트.4 is a control flowchart in which part of the processing H is added to FIG.

제5도는 처리 H제어의 플로우챠트.5 is a flowchart of processing H control.

제6는 제5도 상태의 설명도.6 is an explanatory diagram of a state of FIG. 5;

Claims (4)

압축기 실외열교환기, 4방향벨브등으로 이루어진 1대의 실외유니트와 각각 접속배관을 통하여 실내열교환기로 이루어진 복수대의 실내유니트를 구비하고 실외유니트의 액측주관을 분기한 복수의 액측지관에 각각 정역흐름형의 전동식 팽창밸브를 설치하고, 또는 다시 실외유니트의 가스측주관을 분기한 복수의 가스측지관에 각각 전자밸브를 설치하고, 냉난방시에 임의의 정지실내유니트내의 냉매체류량을 그 실내유니트에 대응하고 있는 팽창밸브나 도는 전자밸브를 개폐제어 하므로서 변화시켜 냉매순환량이 적정한 값으로 되도록 잉여냉매제어를 행하는 열펌프식의 다실형 공기 조화장치에 있어서, 운전중의 실내유니트의 냉매회로의 냉매과냉각도(SC) 또는 냉매과열도(SH)를 주기적으로 쌤플링하고 이 샘플링 데이터를 설정치와 비교연산 하는 제어장치와 이 제어장치의 출력신호를 받아서 상기 정지 유니트에 대응하는 팽창밸브 또는 전자밸브를 간혈적으로 개폐제어하는 제어신호출력장치를 설치하므로서 단속적으로 정지실내유니트내의 냉매체류량을 변화시켜서 냉매순환량을 제어하고, 검지대상인 실내유니트의 냉매과냉각도(난방시)나 냉매과열도(냉방시)를 소정범위내의 값이 되도록 제어하는 것을 특징으로 하는 열펌프식의 다실형 공기 조화장치.Compressor Outdoor heat exchanger, one outdoor unit consisting of four-way valve, etc. and a plurality of indoor units consisting of indoor heat exchanger through connecting pipes respectively, and each of the liquid side branch pipes branching the liquid main pipe of the outdoor unit, respectively, An electric expansion valve is provided, or a solenoid valve is provided in a plurality of gas branch pipes which branch off the gas side main pipe of the outdoor unit, and the amount of refrigerant in the stationary indoor unit corresponding to the indoor unit is changed to the indoor unit during heating and cooling. In the heat pump type multi-chamber air conditioner in which the expansion valve or the solenoid valve is changed by opening / closing control and surplus refrigerant control is performed so that the refrigerant circulation amount is appropriate, the refrigerant and cooling degree of the refrigerant circuit of the indoor unit during operation are controlled. ) Or periodically coolant the refrigerant (SH) and compare this sampling data with the set point. A control signal output device for intermittently opening / closing and controlling the expansion valve or solenoid valve corresponding to the stop unit in response to the control device and the output signal of this control device is intermittently changed to change the refrigerant retention in the stop room unit to improve the refrigerant circulation. A heat pump type multi-room air conditioner which controls the refrigerant and the cooling degree (at heating) or the refrigerant superheat (at cooling) of the indoor unit to be detected so as to be within a predetermined range. 제1항에 있어서, 냉동냉매 싸이클의 토출측 냉매과열도를 검지하고, 소정의 범위내에 토출측냉매과열도의 값이 있게 되면 정지실내유니트에 대응하는 전동식 팽창밸브 또는 더하여 전자밸브를 조작하여 잉여냉매제어의 일부인 냉매의 정지실내유니트로부터 냉매운전싸이클로의 방출을 중지하는 제어수단을 설치한 것을 특징으로 하는열펌프식 다실형 공기조화장치.The refrigerant coolant cycle according to claim 1, wherein the refrigerant refrigerant overheat degree of the discharge side of the refrigeration refrigerant cycle is detected, and if the discharge side refrigerant superheat value is within a predetermined range, an electric expansion valve corresponding to the stop room unit or an electromagnetic valve is operated to control the excess refrigerant. A heat pump type multi-chamber air conditioner, characterized in that a control means for stopping the discharge of the refrigerant from the stop room unit of the refrigerant to the refrigerant operation cycle is provided. 제1항에 있어서, 냉매운전싸이클로의 방출을 중지하는 제어수단을 열펌프식의 다실형 공기 조화장치의 난방운전제어회로에만 설치한 것을 특징으로 하는 열펌프식 다실형 공기조화장치.The heat pump type air conditioner according to claim 1, wherein the control means for stopping the discharge to the refrigerant operating cycle is provided only in the heating operation control circuit of the heat pump type room air conditioner. 압축기 실외열교환기 4방향밸브등으로 구성되는 1대의 실외유니트와 각각 접속배관을 통하여 실내열교환기들로된 복수대의 실내유니트를 구비하고, 실외유니트의 액측주관을 분기한 복수의 액측지관에 각각 정역흐름형의 전동식 팽창밸브를 설치하고, 또는 더하여 실외유니트의 가스측주관을 분기한 복수의 가스측지관에 각각 전자밸브를 설치하고 냉난방시에 임의의 정지실내유니트내의 냉매체류량을 그 실내유니트에 대응하는 상기 팽챙밸브 또는 더하여 그 전자밸브를 개폐제어 하므로서 변화시켜 냉매순환량이 적정한 값이 되도록 잉여냉매제어를 행하는 열펌프식의 다실형공기조화장치에 있어서, 난방운전시에는 냉매과냉각도(SC)가 설정치(E)보다도 클때에는 운전중의 실내유니트의 냉매순환량이 과다로 설정치(D)보다도 적을때에는 과소로 판단하고, 냉방운전시에는 냉매과열도(SH)가 설정치(G)보다도 클때에는 운전중의 실내유니트의 냉매순환량이 과소로 설정치(F)보다도 작을때에는 과다로 판단하고 과다일때에는 상기 정지실내유니트에 운전냉매싸이클중의 냉매의 일부를 체류시키고 과소일때에는 이 정지 실내유니트에 체류시킨 냉매를 냉동싸이클 중으로 방출시키게 하는 열펌프식의 다실형 공기 조화장치의 운전제어방법.Compressor Outdoor Heat Exchanger One outdoor unit composed of four-way valves, etc., and a plurality of indoor units made up of indoor heat exchangers through connection pipes, respectively, and forward and reverse flows to a plurality of liquid side branch pipes which branch off the liquid side main pipe of the outdoor unit. Type electric expansion valves, or in addition, solenoid valves are provided in a plurality of gas branch pipes branching the gas side main pipes of the outdoor unit, and the amount of refrigerant in the stationary indoor unit corresponding to the indoor unit during cooling and heating is applied. In the multipump air conditioner of a heat pump type in which the swelling valve or the solenoid valve is changed by opening / closing the control to change the refrigerant circulation amount to an appropriate value, the refrigerant and the cooling degree (SC) are set at the time of heating operation. When it is larger than (E), the refrigerant circulation volume of the indoor unit in operation is too high, and when it is less than the set value (D), it is too small. However, during the cooling operation, when the refrigerant superheat degree SH is greater than the set value G, when the refrigerant circulation amount of the indoor unit in operation is too small and smaller than the set value F, it is judged to be excessive. A method of operating a heat pump type air conditioner of a multi-pump type air conditioner in which a part of the refrigerant in an operating refrigerant cycle is kept in the cooling cycle and the refrigerant remaining in the stationary indoor unit is discharged into the refrigeration cycle when it is under. ※참고사항: 최초출원 내용에 의하여 공개하는 것임.※ Note: This is to be disclosed based on the initial application.
KR1019880000770A 1987-03-20 1988-01-29 Multi-chamber type air conditioning system and control method therefor KR920004952B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP62063855A JPH07111283B2 (en) 1987-03-20 1987-03-20 Multi-room air conditioner
JP62-63855 1987-03-20
JP87-63855 1987-03-20

Publications (2)

Publication Number Publication Date
KR880011537A true KR880011537A (en) 1988-10-28
KR920004952B1 KR920004952B1 (en) 1992-06-22

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ID=13241367

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019880000770A KR920004952B1 (en) 1987-03-20 1988-01-29 Multi-chamber type air conditioning system and control method therefor

Country Status (4)

Country Link
EP (1) EP0282782B1 (en)
JP (1) JPH07111283B2 (en)
KR (1) KR920004952B1 (en)
DE (1) DE3881242T2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100390434B1 (en) * 2001-03-22 2003-07-07 엘지전자 주식회사 Control method of refrigerant-return for multiple air-conditioner
KR100395919B1 (en) * 2000-06-07 2003-08-27 삼성전자주식회사 Control system of degree of superheat of air conditioner and control method thereof

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GB2215867B (en) * 1988-02-09 1992-09-02 Toshiba Kk Air conditioner system with control for optimum refrigerant temperature
KR100329472B1 (en) * 1998-04-20 2002-08-08 삼성전자 주식회사 Multi-air conditioner for cooling and heating
DE10149757A1 (en) * 2001-10-04 2003-04-10 Behr Gmbh & Co A method for the disc fitting preventing heat pump power control of a vehicle air conditioner
KR100758902B1 (en) * 2004-11-23 2007-09-14 엘지전자 주식회사 multi type air conditioning system and controlling method of the system
KR100626696B1 (en) * 2005-07-25 2006-09-22 삼성전자주식회사 A multi air conditioner system
JP5185375B2 (en) 2007-06-12 2013-04-17 ダンフォス・アクチ−セルスカブ Method for controlling a vapor compression system
US7977959B2 (en) 2007-09-27 2011-07-12 Formfactor, Inc. Method and apparatus for testing devices using serially controlled intelligent switches
WO2010118745A2 (en) * 2009-04-16 2010-10-21 Danfoss A/S A method of controlling operation of a vapour compression system
JP6155824B2 (en) * 2013-05-08 2017-07-05 ダイキン工業株式会社 Air conditioner
CN105276749B (en) * 2014-06-24 2018-01-30 青岛海信日立空调系统有限公司 A kind of control method and device of multi-online air-conditioning system
US10365025B2 (en) 2014-11-25 2019-07-30 Lennox Industries, Inc. Methods and systems for operating HVAC systems in low load conditions
CN112484274B (en) * 2020-12-03 2022-03-29 佛山市顺德区美的电子科技有限公司 Air conditioner, control method and control device thereof, storage medium and electronic equipment

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AU515910B2 (en) * 1978-10-19 1981-05-07 Matsushita Electric Industrial Co., Ltd. Air conditioning system having a plurality of indoor units
JPS5995350A (en) * 1982-11-22 1984-06-01 三菱電機株式会社 Controller for capacity control type refrigeration cycle
US4484452A (en) * 1983-06-23 1984-11-27 The Trane Company Heat pump refrigerant charge control system
US4523435A (en) * 1983-12-19 1985-06-18 Carrier Corporation Method and apparatus for controlling a refrigerant expansion valve in a refrigeration system
US4644756A (en) * 1983-12-21 1987-02-24 Daikin Industries, Ltd. Multi-room type air conditioner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100395919B1 (en) * 2000-06-07 2003-08-27 삼성전자주식회사 Control system of degree of superheat of air conditioner and control method thereof
KR100390434B1 (en) * 2001-03-22 2003-07-07 엘지전자 주식회사 Control method of refrigerant-return for multiple air-conditioner

Also Published As

Publication number Publication date
EP0282782A2 (en) 1988-09-21
DE3881242T2 (en) 1993-12-09
EP0282782B1 (en) 1993-05-26
KR920004952B1 (en) 1992-06-22
JPH07111283B2 (en) 1995-11-29
DE3881242D1 (en) 1993-07-01
EP0282782A3 (en) 1989-11-15
JPS63233260A (en) 1988-09-28

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