KR970016383A - Air conditioner - Google Patents

Air conditioner Download PDF

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Publication number
KR970016383A
KR970016383A KR1019960038164A KR19960038164A KR970016383A KR 970016383 A KR970016383 A KR 970016383A KR 1019960038164 A KR1019960038164 A KR 1019960038164A KR 19960038164 A KR19960038164 A KR 19960038164A KR 970016383 A KR970016383 A KR 970016383A
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KR
South Korea
Prior art keywords
opening degree
valve opening
valve
predetermined
electric expansion
Prior art date
Application number
KR1019960038164A
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Korean (ko)
Other versions
KR100234347B1 (en
Inventor
이치로 혼고
마사카즈 안도
Original Assignee
니시무로 다이조
가부시키가이샤 도시바
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Publication of KR970016383A publication Critical patent/KR970016383A/en
Application granted granted Critical
Publication of KR100234347B1 publication Critical patent/KR100234347B1/en

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Classifications

    • 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
    • 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
    • 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
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F25B41/35—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators by rotary motors, e.g. by stepping motors
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/15—Hunting, i.e. oscillation of controlled refrigeration variables reaching undesirable values
    • 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

본 발명은 완전 폐쇄 가능한 전동팽창밸브를 이용하여 냉매의 수축량을 변화시켜 냉동사이클을 제어하는 공기조화기에 관한 것으로서, 완전 폐쇄가능한 전자팽창밸브를 가지는 냉동사이클을 구비하며, 소정시간 간격마다 상기 전동팽창밸브의 개도를 제어하는 공기조화기에 있어서, 밸브 개도가 소정 개도 이하일 때, 밸브 개도의 변화량을 소정치 이하로 제한하는 제어수단을 설치하며, 이 경우 밸브 개도가 소정 개도 이하일 때 밸브 개도를 폐쇄방향으로 변경하는 경우에만 밸브 개도의 변화량을 소정치 이하로 제한하도록 해도 좋은 것을 특징으로 한다.The present invention relates to an air conditioner for controlling a refrigeration cycle by varying the amount of shrinkage of the refrigerant by using a fully-expandable electric expansion valve, comprising a refrigeration cycle having a fully-closeable electromagnetic expansion valve, the electric expansion at predetermined time intervals In the air conditioner that controls the opening degree of the valve, a control means is provided for limiting the amount of change in the valve opening degree to a predetermined value or less when the valve opening degree is below a predetermined opening degree, and in this case, the valve opening degree is closed when the valve opening degree is below a predetermined opening degree. It is also characterized in that the amount of change in the valve opening degree may be limited to a predetermined value or less only in the case of changing to.

Description

공기조화기Air conditioner

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

제1도는 본 발명의 한 실시 형태를 구성하는 실외 마이크로컴류터의 전체적인 처리순서를 나타내는 플로우챠트1 is a flow chart showing the overall processing procedure of an outdoor microcommunicator constituting an embodiment of the present invention.

제2도는 본 발명의 한 실시형태의 구성을 나타내는 냉동사이클 계통도2 is a refrigeration cycle system diagram showing a configuration of an embodiment of the present invention.

제3도는 본 발명의 한 실시형태를 구성하는 실내 마이크로컴류터 및 실외 마이크로컴퓨터의 신호입출력 상태를 나타내는 블럭도.3 is a block diagram showing signal input / output states of an indoor microcomputer and an outdoor microcomputer constituting an embodiment of the present invention.

Claims (11)

완전 폐쇄가능한 전동 팽창밸브를 가지는 냉동사이클을 구비하며, 소정 시간 간격마다 상기 전동팽창밸브의 개도를 제어하는 공기조화기에 있어서, 밸브 개도가 소정 개도 이하일 때, 상기 밸브 개도의 변화량을 소정치 이하로 제한하는 제어수단을 설치한 것을 특징으로 하는 공기조화기.An air conditioner having a refrigeration cycle having a fully-expandable electric expansion valve, wherein the air conditioner controls the opening degree of the electric expansion valve at predetermined time intervals, when the valve opening degree is below a predetermined opening degree, the amount of change in the valve opening degree is lower than a predetermined value. An air conditioner comprising a control means for restricting. 제1항에 있어서, 밸브 개도가 소정 개도 보다 큰 위치에서 밸브 개도를 소정 개도 이하로 저하시키는 경우, 상기 전동 팽창밸브의 밸브 개도를 일단 소정 개도로 유지하는 밸브 개도 유지수단을 설치한 것을 특징으로 하는 공기조화기.2. The valve opening degree holding means according to claim 1, wherein when the valve opening degree is lowered to a predetermined opening degree or less at a position where the valve opening degree is greater than the predetermined opening degree, a valve opening degree holding means is provided for maintaining the valve opening degree of the electric expansion valve once at a predetermined opening degree. Air conditioning. 완전 폐쇄가능한 전동 팽창밸브를 가지는 냉동사이클을 구비하며, 소정 시간 간격마다 상기 전자팽창밸브의 개도를 제어하는 공기조화기에 있어서, 밸브 개도가 소정 개도 이하일 때, 상기 밸브 개도를 폐쇄방향으로 변경하는 경우에만 상기 밸브 개도의 변화량을 소정치 이하로 제한하는 제어수단을 설치한 것을 특징으로 하는 공기조화기.An air conditioner having a refrigeration cycle having a fully-expandable electric expansion valve, wherein the opening degree of the electromagnetic expansion valve is controlled at predetermined time intervals, when the valve opening degree is changed to the closing direction when the valve opening degree is below a predetermined opening degree. An air conditioner, characterized in that only the control means for limiting the amount of change in the valve opening degree to a predetermined value or less. 제3항에 있어서, 밸브 개도가 소정 개도 보다 큰 위치에서 밸브 개도를 소정 개도 이하로 저하시키는 경우, 상기 전동 팽창밸브의 밸브 개도를 일단 소정 개도로 유지하는 밸브 개도 유지수단을 설치한 것을 특징으로 하는 공기조화기.4. The valve opening degree holding means according to claim 3, wherein the valve opening degree holding means is provided for maintaining the valve opening degree of the electric expansion valve once at a predetermined opening degree when the valve opening degree is lowered below a predetermined opening degree at a position where the valve opening degree is larger than the predetermined opening degree. Air conditioning. 완전 폐쇄가능한 전동 팽창밸브와 능력가변 압축기를 가진 냉동사이클을 구비한 공기조화기에 있어서, 상기 전동팽창밸브의 밸브 개도를 소정시간 간격마다 슈퍼 히트 제어할 때 밸브 개도가 소정 개도 이하일 때, 상기 밸브 개도의 변화량을 소정치 이하로 제한하고 상기 압축기의 능력 변경에 의거하여 상기 전동 팽창밸브의 밸브 개도를 제어하는 경우, 밸브 개도가 상기 소정 개도 이하이고, 또 상기 밸브 개도를 폐쇄방향으로 변경하는 경우에만 밸브 개도의 변화량을 소정치 이하로 제한하는 제어수단을 설치한 것을 특징으로 하는 공기조화기.An air conditioner having a refrigeration cycle having a fully-expandable electric expansion valve and a variable variable compressor, wherein the valve opening degree when the valve opening degree of the electric expansion valve is superheated at a predetermined time interval at a predetermined opening degree or less, When the amount of change is limited to a predetermined value or less and the valve opening degree of the electric expansion valve is controlled based on the capacity change of the compressor, only when the valve opening degree is below the predetermined opening degree and the valve opening degree is changed in the closing direction. An air conditioner comprising a control means for limiting a change amount of a valve opening degree to a predetermined value or less. 제5항에 있어서, 밸브 개도가 소정 개도 보다 커지는 위치에서 밸브 개도를 소정 개도 이하로 저하시키는 경우, 상기 전동 팽창밸브의 밸브 개도를 일단 소정 개도로 유지하는 밸브 개도 유지수단을 설치한 것을 특징으로 하는 공기조화기.6. The valve opening degree holding means according to claim 5, wherein when the valve opening degree is lowered to a predetermined opening degree or less at a position where the valve opening degree is larger than a predetermined opening degree, a valve opening degree holding means is provided for maintaining the valve opening degree of the electric expansion valve once at a predetermined opening degree. Air conditioning. 완전 폐쇄가능한 전동 팽창밸브와 능력 가변 압축기를 가진 냉동사이클을 구비한 공기조화기에 있어서, 상기 전동팽창밸브의 밸브 개도를 소정시간 간격마다 슈퍼 히트 제어할 때 밸브 개도가 소정 개도 이하로 저하하고 나서 최초로 밸브 개도를 개방방향으로 제어한 후, 상기 전동 팽창밸브의 밸브 개도를 폐쇄방향으로 제어하는 경우, 밸브 개도의 저감량을 소정치 이하로 제한하는 밸브 개도 제한수단을 설치한 것을 특징으로 하는 공기조화기.In an air conditioner having a refrigeration cycle having a fully-closable electric expansion valve and a variable-capacity compressor, when the valve opening of the electric expansion valve is superheated at predetermined time intervals, After controlling the valve opening degree in the opening direction, in the case of controlling the valve opening degree of the electric expansion valve in the closing direction, an air conditioner provided with a valve opening limiting means for limiting the reduction amount of the valve opening degree to a predetermined value or less. . 제7항에 있어서, 밸브 개도가 소정 개도 보다 커지는 위치에서 밸브 개도를 소정 개도 이하로 저하시키는 경우, 상기 전동 팽창밸브의 밸브 개도를 일단 소정 개도에 유지하는 밸브 개도 유지수단을 설치한 것을 특징으로 하는 공기조화기.The valve opening degree holding means is provided for holding the valve opening degree of the said electric expansion valve at the predetermined opening degree once, when the valve opening degree falls below a predetermined opening degree in the position which valve opening degree becomes larger than predetermined opening degree, It is characterized by the above-mentioned. Air conditioning. 제7항에 있어서, 상기 전동 팽창밸브의 개폐도를 소정시간 간격마다 슈퍼 히트 제어할 때, 밸브 개도가 소정 개도 이하로 저하하고 나서 최초로 밸브 개도를 개방방향으로 제어한 후, 상기 전동 팽창밸브의 밸브 개도를 폐쇄 방향으로 제어하는 경우, 그 후 다시한번 상기 전동 팽창밸브의 밸브 개도를 개방방향으로 제어할 때, 밸브 개도의 증가량을 소정치 이하로 제한하는 제2밸브 개도 제한 수단을 또한 설치한 것을 특징으로 하는 공기조화기.The method according to claim 7, wherein when the opening and closing degree of the electric expansion valve is superheated at a predetermined time interval, the valve opening degree is first controlled in the opening direction after the valve opening degree is lowered to a predetermined opening or less, and thereafter, In the case where the valve opening degree is controlled in the closing direction, when the valve opening degree of the electric expansion valve is once again controlled in the opening direction, a second valve opening limiting means for limiting the increase amount of the valve opening degree to a predetermined value or less is further provided. Air conditioner, characterized in that. 제9항에 있어서, 밸브 개도가 소정 개도 보다 커지는 위치에서 밸브 개도를 소정 개도 이하로 저하시키는 경우, 상기 전동 팽창밸브의 밸브 개도를 일단 소정 개도로 유지하는 밸브 개도 유지수단을 설치한 것을 특징으로 하는 공기조화기.10. The valve opening degree holding means according to claim 9, wherein when the valve opening degree is lowered to a predetermined opening degree or less at a position where the valve opening degree is larger than a predetermined opening degree, a valve opening degree holding means is provided for maintaining the valve opening degree of the electric expansion valve once at a predetermined opening degree. Air conditioning. 제1항 내지 제10항중 어느 한 한에 있어서, 공기조화기의 운전개시시에 상기 전동팽창밸브의 개도를 상기 소정 개도 이상의 개도로 소정시간 고정하는 초기 개도 제어수단을 설치한 것을 특징으로 하는 공기조화기.The air opening device according to any one of claims 1 to 10, wherein an initial opening degree control means is provided for fixing the opening degree of the electric expansion valve to the opening degree more than the predetermined opening degree for a predetermined time at the start of operation of the air conditioner. Conditioner. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019960038164A 1995-09-29 1996-09-04 Air conditioner KR100234347B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP25400795A JP3461633B2 (en) 1995-09-29 1995-09-29 Air conditioner
JP95-254007 1995-09-29

Publications (2)

Publication Number Publication Date
KR970016383A true KR970016383A (en) 1997-04-28
KR100234347B1 KR100234347B1 (en) 1999-12-15

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JP (1) JP3461633B2 (en)
KR (1) KR100234347B1 (en)
CN (1) CN1140730C (en)
GB (1) GB2305744B (en)
TW (1) TW363119B (en)

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KR101058252B1 (en) * 2003-01-28 2011-08-22 한라공조주식회사 Vehicle air conditioning system using supercritical refrigeration cycle
JP2006266533A (en) * 2005-03-22 2006-10-05 Fuji Koki Corp Valve control system and valve control method
JP4898610B2 (en) * 2007-09-12 2012-03-21 三菱重工業株式会社 Valve opening pulse setting method for electric expansion valve and multi-type air conditioner
JP5139211B2 (en) * 2008-09-03 2013-02-06 株式会社コロナ Heat pump type water heater
JP4720923B2 (en) * 2009-03-23 2011-07-13 ダイキン工業株式会社 Refrigeration equipment
JP2010276238A (en) * 2009-05-27 2010-12-09 Sanyo Electric Co Ltd Refrigerating cycle device
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JP5218694B1 (en) * 2012-01-04 2013-06-26 ダイキン工業株式会社 Electronic expansion valve and air conditioner equipped with electronic expansion valve
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CN106123413B (en) * 2016-06-17 2018-08-14 广东美的制冷设备有限公司 Prevent the method and device that electric expansion valve is stuck
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Also Published As

Publication number Publication date
JP3461633B2 (en) 2003-10-27
GB9620363D0 (en) 1996-11-13
GB2305744B (en) 1998-03-04
CN1140730C (en) 2004-03-03
CN1156810A (en) 1997-08-13
JPH0996452A (en) 1997-04-08
KR100234347B1 (en) 1999-12-15
GB2305744A (en) 1997-04-16
TW363119B (en) 1999-07-01

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