KR20070031653A - 멀티형 공기조화기의 고압상승 방지방법 - Google Patents
멀티형 공기조화기의 고압상승 방지방법 Download PDFInfo
- Publication number
- KR20070031653A KR20070031653A KR1020050086327A KR20050086327A KR20070031653A KR 20070031653 A KR20070031653 A KR 20070031653A KR 1020050086327 A KR1020050086327 A KR 1020050086327A KR 20050086327 A KR20050086327 A KR 20050086327A KR 20070031653 A KR20070031653 A KR 20070031653A
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- KR
- South Korea
- Prior art keywords
- pressure
- compressor
- air conditioner
- type air
- refrigerant
- Prior art date
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Classifications
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- 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
- F25B49/022—Compressor control arrangements
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- 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
- F25B41/26—Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- 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
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/04—Refrigeration circuit bypassing means
- F25B2400/0401—Refrigeration circuit bypassing means for the compressor
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- 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
- F25B2600/25—Control of valves
- F25B2600/2501—Bypass 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/193—Pressures of the compressor
- F25B2700/1931—Discharge pressures
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- 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
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
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- 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
Description
Claims (7)
- 압축기에서 토출되는 냉매의 토출압력(Q)과 제어부에 저장된 소정압력을 비교하는 단계(S20)와;상기 토출압력(Q)이 상기 소정압력(P)보다 큰 경우, 상기 압축기에서 토출된 냉매 중 일부가 어큐뮬레이터 측으로 바이패스되도록 핫가스밸브를 개방하는 단계(S30)를 포함하여 구성되는 것을 특징으로 하는 멀티형 공기조화기의 고압상승 방지방법.
- 청구항 1에 있어서,상기 핫가스밸브 개방단계(S30) 후에 상기 압축기에서 토출된 냉매의 압력(Q)이 제어부에 저장된 소정압력(P')보다 낮은 경우, 상기 개방된 핫가스밸브를 폐쇄하는 것을 특징으로 하는 멀티형 공기조화기의 고압상승 방지방법.
- 청구항 1에 있어서,상기 핫가스밸브 개방단계(S30) 후에도 상기 압축기에서 토출된 냉매의 압력(Q)이 제어부에 저장된 소정압력보다 낮아지지 않는 경우, 상기 멀티형 공기조화기의 전자팽창밸브를 오픈시키는 것을 특징으로 하는 멀티형 공기조화기의 고압상승 방지방법.
- 청구항 3에 있어서,상기 전자팽창밸브 오픈단계(S70)는 상기 멀티형 공기조화기에서 구동되지 않던 나머지 실내/외기의 전자팽창밸브도 개방시키는 것을 포함하는 것을 특징으로 하는 멀티형 공기조화기의 고압상승 방지방법.
- 청구항 1 내지 청구항 4 중 어느 하나의 항에 있어서,상기 비교단계(S20)는 압축기에서 토출되는 냉매의 토출온도(S)를 제어부에 저장되는 소정온도(T)와 비교하는 조건을 포함하여 구성되는 것을 특징으로 하는 멀티형 공기조화기의 고압상승 방지방법.
- 청구항 5에 있어서,상기 비교단계(S20)는 상기 냉매의 토출온도(S)가 상기 소정온도(T)보다 큰 조건 또는 상기 냉매의 토출압력(Q)이 상기 소정압력(P) 보다 큰 조건 중 적어도 어느 하나의 조건이 만족되는 경우,다음 단계(S30)로 이행되는 것을 특징으로 하는 멀티형 공기조화기의 고압상 승 방지방법.
- 압축기에서 토출되는 냉매의 토출압력(Q)과 제어부에 저장된 소정압력을 비교하는 단계(S60)와;상기 토출압력(Q)이 상기 소정압력(P)보다 큰 경우, 상기 멀티형 공기조화기의 전자팽창밸브를 오픈시키는 단계(S70)를 포함하여 구성되는 것을 특징으로 하는 멀티형 공기조화기의 고압상승 방지방법.
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KR1020050086327A KR100743719B1 (ko) | 2005-09-15 | 2005-09-15 | 멀티형 공기조화기의 고압상승 방지방법 |
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KR1020050086327A KR100743719B1 (ko) | 2005-09-15 | 2005-09-15 | 멀티형 공기조화기의 고압상승 방지방법 |
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KR20070031653A true KR20070031653A (ko) | 2007-03-20 |
KR100743719B1 KR100743719B1 (ko) | 2007-07-30 |
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KR1020050086327A KR100743719B1 (ko) | 2005-09-15 | 2005-09-15 | 멀티형 공기조화기의 고압상승 방지방법 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101442108B1 (ko) * | 2008-01-16 | 2014-09-19 | 엘지전자 주식회사 | 공기조화기 및 그의 제어방법 |
KR101509574B1 (ko) * | 2008-04-30 | 2015-04-06 | 엘지전자 주식회사 | 멀티형 공기조화기 및 그 제어방법 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101909530B1 (ko) * | 2017-04-28 | 2018-10-18 | 엘지전자 주식회사 | 실외기 및 그 제어방법, 냉장시스템 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10232058A (ja) * | 1997-02-18 | 1998-09-02 | Mitsubishi Heavy Ind Ltd | マルチ型空気調和機 |
KR20000007824A (ko) * | 1998-07-07 | 2000-02-07 | 윤종용 | 냉난방겸용 공조기기와 그 제어방법 |
JP2002213839A (ja) * | 2001-01-19 | 2002-07-31 | Fujitsu General Ltd | 多室形空気調和機 |
KR100441005B1 (ko) * | 2001-11-24 | 2004-07-21 | 삼성전자주식회사 | 히트펌프식 공기조화기 및 그 제어방법 |
KR100524719B1 (ko) * | 2003-05-01 | 2005-11-01 | 엘지전자 주식회사 | 멀티 에어컨 시스템의 유량 가변형 바이패스 장치 |
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- 2005-09-15 KR KR1020050086327A patent/KR100743719B1/ko active IP Right Grant
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101442108B1 (ko) * | 2008-01-16 | 2014-09-19 | 엘지전자 주식회사 | 공기조화기 및 그의 제어방법 |
KR101509574B1 (ko) * | 2008-04-30 | 2015-04-06 | 엘지전자 주식회사 | 멀티형 공기조화기 및 그 제어방법 |
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Publication number | Publication date |
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KR100743719B1 (ko) | 2007-07-30 |
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