KR940018623A - Refrigerant cycle control device and method of air conditioner - Google Patents

Refrigerant cycle control device and method of air conditioner Download PDF

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Publication number
KR940018623A
KR940018623A KR1019930000936A KR930000936A KR940018623A KR 940018623 A KR940018623 A KR 940018623A KR 1019930000936 A KR1019930000936 A KR 1019930000936A KR 930000936 A KR930000936 A KR 930000936A KR 940018623 A KR940018623 A KR 940018623A
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KR
South Korea
Prior art keywords
compressor
refrigerant
superheat
refrigerant cycle
solenoid valve
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KR1019930000936A
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Korean (ko)
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KR0133044B1 (en
Inventor
김종엽
지덕익
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김광호
삼성전자 주식회사
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Priority to KR1019930000936A priority Critical patent/KR0133044B1/en
Publication of KR940018623A publication Critical patent/KR940018623A/en
Application granted granted Critical
Publication of KR0133044B1 publication Critical patent/KR0133044B1/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
    • F25B41/30—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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/02—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat for separating lubricants from the refrigerant
    • 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
    • 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
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor

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

Abstract

본 발명은 냉난방 겸용 공기조화기의 초기구동, 저온난방, 제상운전시, 압축기토출구측의 고온개스를 입구측으로 바이패스시켜 압축기입구측으로 유입되는 액냉매를 증발시켜 줌으로써 액냉매 유입 및 액냉매와 오일층 분리를 방지하게 되어 압축기의 운전능력을 향상시켜 줄 수 있도록 한 공기조화기의 냉매사이클 제어장치 및 방법에 관한 것으로, 냉매사이클에 있어서, 압축기의 토출구측과 입구측과에 상기 압축기의 토출개스 일부를 바이패스시키는 전자밸브와, 상기 전자밸브에서 바이패스된 개스와 액냉매를 혼합하여 증발기에서 나오는 액냉매를 증발시켜 액냉매 유입 및 액냉매와의 오일의 충분리를 방지 시키는 유량감소장치를 장착하고, 난방, 냉방, 제상운전시 압축기입구측에 과열도를 소정의 값으로 유지시키기 위하여, 감압장치에 전자팽창변을 장착하여 압축기의 손상방지와, 운전능력이 향상되도록 한 것임.The present invention bypasses the high temperature gas of the compressor discharge port to the inlet side during the initial driving, the low temperature heating, and the defrosting operation of the air conditioner combined cooling / heating system to evaporate the liquid refrigerant flowing into the compressor inlet side, and the refrigerant flows into the liquid refrigerant and the oil. An apparatus and method for controlling a refrigerant cycle of an air conditioner to prevent the separation of layers and to improve the operating capability of the compressor. The refrigerant gas in the refrigerant cycle, the discharge gas of the compressor at the discharge port side and the inlet side of the compressor. The solenoid valve which bypasses a part, and the flow reduction device which mixes the gas bypassed by the solenoid valve and the liquid refrigerant, and evaporates the liquid refrigerant from an evaporator to prevent liquid refrigerant inflow and sufficient oil with liquid refrigerant. In order to maintain the degree of superheat at a predetermined value on the compressor inlet side during heating, cooling and defrosting operation, Mounting the expansion valve to the will to improve the damage prevention and the operation capacity of the compressor.

Description

공기조화기의 냉매사이클 제어장치 및 방법Refrigerant cycle control device and method of air conditioner

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

제2도는 본 발명 공기조화기의 냉매사이클, 제6도는 본 발명 공기조화기의 냉매사이클의 제어방법.2 is a refrigerant cycle of the air conditioner of the present invention, 6 is a control method of the refrigerant cycle of the air conditioner of the present invention.

Claims (4)

냉매사이클을 정 역순환하면서 냉 난방을 하도록 된 냉 난방 겸용 공기조화기에 있어서, 상기 냉매사이클의 압축기(1)의 토출구와 입구측에 상기 압축기(1)로부터 토출되는 고온개스 일부를 바이패스시키는 전자밸브(9)와, 상기 전자밸브(9)에서 바이패스된 고온개스를 액냉매와 혼합하여 실내열교환기(3)에서 나오는 액냉매를 증발시켜 액냉매 유입 및 액냉매와의 오일의 충분리를 방지시키는 유량감소장치(10)와, 난방, 냉방, 제상운전시 압축기(1)입구측에 과열도를 소정의 값으로 유지시키기 위하여, 감압장치(4)(6)에 전자팽창변(13)을 장착하여서 된 것을 특징으로 하는 공기조화기의 냉매사이클 제어장치.In the air-conditioner combined air-conditioning system which performs cold heating while reversing the refrigerant cycle, the electrons for bypassing a part of the hot gas discharged from the compressor 1 to the discharge port and the inlet side of the compressor 1 of the refrigerant cycle. By mixing the valve 9 and the high temperature gas bypassed by the solenoid valve 9 with the liquid refrigerant, the liquid refrigerant from the indoor heat exchanger 3 is evaporated to provide sufficient liquid inflow and sufficient oil from the liquid refrigerant. In order to maintain the superheat degree at a predetermined value at the inlet side of the compressor (1) during heating, cooling and defrosting operation, the decompression device (4) (6) is provided with an electromagnetic expansion valve (13). Refrigerant cycle control device of the air conditioner, characterized in that attached to. 제1항에 있어서, 상기 공기조화기의 초기기동, 난방운전, 제상운전시, 냉매사이클을 순환하면서 압축기(1)로 유입되는 냉매의 흡입온도(T2)에 따라 상기 전자밸브(9)를 개폐하면서 압축기의 토출 고온개스를 압축기의 입구측으로 바이패스 시키고, 상기 압축기의 입구측 흡입온도(T2)와 흡입압력(P2)을 연산하여 연산된 과열도에 따라 전자팽창변을 개폐하면서 최적의 과열도를 유지하도록 하여서 된 공기조화기의 냉매사이클 제어 장치.2. The solenoid valve (9) according to claim 1, wherein the solenoid valve (9) is opened and closed according to the suction temperature (T2) of the refrigerant flowing into the compressor (1) while circulating the refrigerant cycle during the initial startup, heating operation, and defrost operation of the air conditioner. While bypassing the discharged high-temperature gas of the compressor to the inlet side of the compressor, and calculating the inlet side temperature (T2) and the suction pressure (P2) of the compressor to open and close the electronic expansion valve in accordance with the calculated degree of superheat, Refrigerant cycle control device for an air conditioner. 제2항에 있어서, 상기 압축기(1)의 냉매 흡입온도(T2)가 소정의 온도(T0)이하 일 때 압축기의 토출고온개스가 바이패스 되도록 하고, 상기 압축기(1)의 과열도가 소정의 과열도 이상 일 때 전자팽창변을 열어 과열도가 제어되도록 하여서 된 것을 특징으로 하는 공기조화기의 냉매사이클 제어장치.3. The method according to claim 2, wherein the discharge high temperature gas of the compressor is bypassed when the refrigerant suction temperature T2 of the compressor 1 is equal to or less than a predetermined temperature T0, and the superheat degree of the compressor 1 is predetermined. Refrigerant cycle control device for an air conditioner characterized in that the superheat is controlled by opening the electronic expansion valve when the degree of overheating. 공기조화기의 냉매사이클 제어 방법에 있어서, 초기기동 인가를 판단하는 초기구동판단단계(60)와, 상기 초기 기동판단단계(60)에서 기동초기이면 전자밸브를 온 시키는 전자밸브온 단계(61)와, 상기 초기 기동판단단계(60)에서, 기동초기가 아니면 압축기의 흡입온도와 압력을 감지 입력하는 압축기의 흡입온도와 압력감지단계(62)와, 과열도를 계산하는 과열도계산단계(63)와, 상기 과열도계산단계(63)에서 과열도와 소정의 값 과의 대소를 판단하는 과열도계산단계(64)와, 상기 과열도판단단계(64)에서 판단결과 전자팽창변을 열고 닫고 하는 전자팽창변 개폐단계(65)(66)와, 상기 전자팽창변 개폐단계(65)(66)에서 흡입온도와 압축기 보호용온도와의 대소를 판단하는 압축기 보호용온도 판단단계(67)와, 상기 압축기 보호용온도 판단단계(67)에서 판단된 상태에 따라 전자밸브를 온 오프 하는 전자밸브 온 오프단계(68)(69)로 이루어지도록 하여서 된 것을 특징으로 하는 공기조화기의 냉매사이클 제어방법.In the refrigerant cycle control method of the air conditioner, the initial drive determination step 60 for determining the initial start application, and the solenoid valve on step 61 for turning on the solenoid valve if it is the initial start in the initial start determination step 60 And, in the initial start-up determination step 60, the suction temperature and pressure detection step 62 of the compressor for detecting and inputting the suction temperature and pressure of the compressor, if not the initial start step, and the superheat calculation step 63 for calculating the superheat degree And the superheat calculation step 64 for determining the magnitude of the superheat degree and a predetermined value in the superheat calculation step 63, and the electronic result of opening and closing the electronic expansion valve in the superheat determination step 64. The compressor protection temperature determining step 67 for determining the magnitude of the suction temperature and the compressor protection temperature in the expansion valve opening and closing step 65 and 66, the electronic expansion valve opening and closing step 65 and 66, and the compressor protection temperature judgment. In the state determined in step 67 Refrigerant cycle control method of la solenoid valve on and off the solenoid valve on-off phase (68) (69) into the air, characterized in that the hayeoseo to occur conditioner group. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019930000936A 1993-01-26 1993-01-26 Controlling method and apparatus for cold-cycle of airconditioner KR0133044B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930000936A KR0133044B1 (en) 1993-01-26 1993-01-26 Controlling method and apparatus for cold-cycle of airconditioner

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Application Number Priority Date Filing Date Title
KR1019930000936A KR0133044B1 (en) 1993-01-26 1993-01-26 Controlling method and apparatus for cold-cycle of airconditioner

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KR940018623A true KR940018623A (en) 1994-08-18
KR0133044B1 KR0133044B1 (en) 1998-04-21

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001094859A1 (en) * 2000-06-07 2001-12-13 Samsung Electronics Co., Ltd. System for controlling starting of air conditioner and control method thereof
WO2001094857A1 (en) * 2000-06-07 2001-12-13 Samsung Electronics Co., Ltd. Control system for starting of air conditioner and control method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100540808B1 (en) 2003-10-17 2006-01-10 엘지전자 주식회사 Control method for Superheating of heat pump system
KR100626696B1 (en) * 2005-07-25 2006-09-22 삼성전자주식회사 A multi air conditioner system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001094859A1 (en) * 2000-06-07 2001-12-13 Samsung Electronics Co., Ltd. System for controlling starting of air conditioner and control method thereof
WO2001094857A1 (en) * 2000-06-07 2001-12-13 Samsung Electronics Co., Ltd. Control system for starting of air conditioner and control method thereof
US6519958B1 (en) 2000-06-07 2003-02-18 Samsung Electronics Co., Ltd. Control system for starting of air conditioner and control method thereof
US6637222B2 (en) 2000-06-07 2003-10-28 Samsung Electronics Co., Ltd. System for controlling starting of air conditioner and control method thereof

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