KR870008162A - Control system and control method for controlling the reset of the temperature of the discharged cooling fluid of the cooling system - Google Patents

Control system and control method for controlling the reset of the temperature of the discharged cooling fluid of the cooling system Download PDF

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Publication number
KR870008162A
KR870008162A KR870000842A KR870000842A KR870008162A KR 870008162 A KR870008162 A KR 870008162A KR 870000842 A KR870000842 A KR 870000842A KR 870000842 A KR870000842 A KR 870000842A KR 870008162 A KR870008162 A KR 870008162A
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KR
South Korea
Prior art keywords
temperature
generating
cooling
reset
heat transfer
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Application number
KR870000842A
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Korean (ko)
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KR930004391B1 (en
Inventor
엠. 진스메이어 토마스
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카렌 에프. 길맨
캐리어 코오포레이숀
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Publication of KR870008162A publication Critical patent/KR870008162A/en
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Publication of KR930004391B1 publication Critical patent/KR930004391B1/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
    • F25B49/00—Arrangement or mounting of control or 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
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/04—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type
    • F25B1/053—Compression machines, plants or systems with non-reversible cycle with compressor of rotary type of turbine type

Abstract

내용 없음No content

Description

냉방시스템의 방출냉각 유체의 온도의 리세트를 제어하기 위한 제어시스템 및 제어방법Control system and control method for controlling the reset of the temperature of the discharged cooling fluid of the cooling system

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

제 1 도는 본 발명의 원리에 따른 냉동시스템의 용량을 변화시키기 위한 제어시스템을 가진 원심증기압축 냉방시스템의 도식도. 제 2 도는 부하의 함수로서의 냉각수 온도의 그래프.1 is a schematic diagram of a centrifugal steam compression cooling system having a control system for varying the capacity of a refrigeration system in accordance with the principles of the present invention. 2 is a graph of coolant temperature as a function of load.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 증기압축냉동시스템, 2 : 원심압축기, 3 : 제어시스템, 4 : 응축기, 5 : 증발기, 6 : 포페트(poppet)밸브, 7 : 압축기 방출라인, 8 : 관, 9 : 냉매라인, 10 : 관, 11 : 압축기 흡입라인, 12 : 압축기 유입가이드 베인, 13 : 온도센서, 14 : 가이드베인 작동자, 15 : 온도센서, 16 : 시스템 인터페이스 보드, 17 : 프로세서 보드, 18 : 세트포인트 및 디스플레이 보드, 19 : 아날로그/디지탈 변환기, 20, 21, 22 : 전기라인.1 steam compression refrigeration system 2 centrifugal compressor 3 control system 4 condenser 5 evaporator 6 poppet valve 7 compressor discharge line 8 tube 9 refrigerant line 10 : Tube, 11: compressor suction line, 12: compressor inlet guide vane, 13: temperature sensor, 14: guide vane operator, 15: temperature sensor, 16: system interface board, 17: processor board, 18: setpoint and display Board, 19: Analog-to-digital converter, 20, 21, 22: Electric line.

Claims (5)

냉매에 의해 열전달유체로 부터 열을 흡수하는 증발기와 마이크로프로세서를 포함하는 형식의 냉방 시스템의 방출냉각 유체의 온도 설정치의 리세트를 제어하기 위한 제어시스템에 있어서, 제 1 부하에서 방출냉각 유체의 고정 온도 설정치로 부터 리세트한 양에 대응하는 제 1데이타쌍과 제 2부하에서 방출냉각 유체의 고정온도 설정치로 부터 리세트한 양에 대응하는 제 2 데이타쌍의 적어도 두개의 데이타쌍을 마이크로컴퓨터에 입력하고, 이 입력된 각 데이타쌍에 대응하는 신호를 발생시키는 수단 ;A control system for controlling the reset of a temperature setpoint of a discharge cooling fluid in a cooling system of a type comprising an evaporator and a microprocessor that absorbs heat from a heat transfer fluid by a refrigerant, the fixing of the discharge cooling fluid at a first load. At least two data pairs of the first data pair corresponding to the reset amount from the temperature set point and the second data pair corresponding to the reset amount from the fixed temperature set point of the discharge cooling fluid at the second load are supplied to the microcomputer. Means for inputting and generating a signal corresponding to each input data pair; 상기 증발기로 유입하는 열전달 유체의 온도의 함수인 제 1 제어신호를 발생하는 수단 ;Means for generating a first control signal as a function of the temperature of the heat transfer fluid entering the evaporator; 상기 증발기로 부터 방출되는 열전달 유체의 온도의 함수인 제 2 제어신호를 발생하는 수단 ; 및Means for generating a second control signal that is a function of the temperature of the heat transfer fluid discharged from the evaporator; And 상기 입력된 데이타쌍, 상기 제 1 및 제 2 제어신호 각각에 대응하는 상기 신호를 수신하고, 본 냉방시스템의 실제 부하에 대한 증발기로부터 방출되는 열전달 유체의 설정치 온도를 결정하기 위해 사전에 프로그램된 순서에 따라 상기 수신된 신호를 처리하는 수단으로 구성된 것을 특징으로 하는 냉방시스템의 방출냉각 유체의 온도의 리세트를 제어하기 위한 제어시스템.A pre-programmed sequence for receiving the signal corresponding to each of the input data pairs, the first and second control signals, and for determining a set point temperature of the heat transfer fluid released from the evaporator for the actual load of the present cooling system. Means for processing said received signal according to said control system. 제 1 항에 있어서, 상기 프로세서 수단이 상기 입력된 데이타쌍 및 유입되는 열전달 유체와 방출되는 열전달유체 사이의 온도차에 비례하는 상기 설정치 온도를 결정하는 것을 특징으로 하는 냉방시스템의 방출냉각 유체의 온도의 리세트를 제어하기 위한 제어시스템.2. The method according to claim 1, wherein said processor means determines said setpoint temperature proportional to a temperature difference between said input data pair and an incoming heat transfer fluid and a discharged heat transfer fluid. Control system for controlling the reset. 냉매에 의해 열전달유체로 부터 열을 흡수하는 증발기와 마이크로 컴퓨터 시스템을 구비하는 냉방시스템의 방출냉각 액체의 온도 설정치를 리세트하는 방법에 있어서, 상기 마이크로프로세서에 입력된 제 1 데이타점에 대응하는 제 1 설정치 신호를 발생하는 단계 ;A method of resetting a temperature setpoint of an emission cooling liquid of a cooling system having a microcomputer system and an evaporator that absorbs heat from a heat transfer fluid by a refrigerant, the method corresponding to a first data point input to the microprocessor. Generating a setpoint signal; 상기 마이크로프로세서에 입력된 제 2 데이타점에 대응하는 제 2 설정치 신호를 발생하는 단계 ;Generating a second setpoint signal corresponding to a second data point input to the microprocessor; 유입하는 냉각액체의 실제 온도에 대응하는 제 1 온도 신호를 발생하는 단계 ;Generating a first temperature signal corresponding to the actual temperature of the incoming cooling liquid; 방출하는 냉각유체의 실제 온도에 대응하는 제 2 온도 신호를 발생하는 단계 ;Generating a second temperature signal corresponding to the actual temperature of the cooling fluid to be discharged; 상기 제 1 및 제 2 설정치 신호 및 상기 제 1 온도 및 제 2 온도 신호 사이의 소정의 관계에 비례하는 출력신호를 발생하는 단계로 구성되는 것을 특징으로 하는 냉방시스템의 방출냉각 유체의 온도의 리세트를 제어하기 위한 방법.Generating an output signal proportional to a predetermined relationship between the first and second set point signals and the first and second temperature signals. Method for controlling. 제 3 항에 있어서, 상기 제 1 입력데이타점은 제 1 부하조건에서 고정된 방출냉각 액체의 온도 설정치로부터 리세트한 양에 대응하고, 상기 제 2 입력데이타점은 제 2 부하조건에서 고정된 방출냉각 액체의 온도 설정치로부터 리세트한 양에 대응하는 것을 특징으로 하는 냉방시스템의 방출냉각 유체의 온도의 리세트를 제어하기 위한 방법.4. The method of claim 3, wherein the first input data point corresponds to a reset amount from a temperature set point of the fixed cooling liquid at a first load condition, and the second input data point is a fixed discharge at a second load condition. A method for controlling the reset of the temperature of the discharged cooling fluid of a cooling system corresponding to a reset amount from a temperature set point of a cooling liquid. 제 4 항에 있어서, 상기 출력신호는 상기 설정치 신호의 합 및 상기 제 1 과 제 2 온도 신호의 차이에 비례하여 발생되는 것을 특징으로 하는 냉방시스템의 방생냉각 유체의 온도의 리세트를 제어하기 위한 방법.5. The method of claim 4, wherein the output signal is generated in proportion to the sum of the setpoint signals and the difference between the first and second temperature signals. Way. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870000842A 1986-02-03 1987-02-03 Automatic reset of chilled water set point temperature control KR930004391B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US82540586A 1986-02-03 1986-02-03
US825,405 1986-02-03
US825405 1986-02-03

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KR870008162A true KR870008162A (en) 1987-09-24
KR930004391B1 KR930004391B1 (en) 1993-05-27

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JP (1) JPS62182555A (en)
KR (1) KR930004391B1 (en)
CA (1) CA1286750C (en)
FR (1) FR2593897B1 (en)
GB (1) GB2191021B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8702008D0 (en) * 1987-01-29 1987-03-04 Calibre Energy Systems Ltd Energy producing source control
CN110726273B (en) 2018-07-16 2023-03-21 开利公司 Coordinated maps for economized chilled water and condenser water temperature reset in refrigeration equipment systems

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1414102A (en) * 1964-09-24 1965-10-15 Carrier Corp Improvements to control systems
US4201061A (en) * 1978-03-22 1980-05-06 Carrier Corporation Automatic chilled water setpoint temperature control
US4282718A (en) * 1979-09-12 1981-08-11 Borg-Warner Corporation Evaporator inlet water temperature control system
GB2156098B (en) * 1984-02-18 1987-07-29 Heat Trace Ltd Control of electric heating apparatus
US4506516A (en) * 1984-04-06 1985-03-26 Carrier Corporation Refrigeration unit compressor control
US4539820A (en) * 1984-05-14 1985-09-10 Carrier Corporation Protective capacity control system for a refrigeration system
US4589060A (en) * 1984-05-14 1986-05-13 Carrier Corporation Microcomputer system for controlling the capacity of a refrigeration system
US4538422A (en) * 1984-05-14 1985-09-03 Carrier Corporation Method and control system for limiting compressor capacity in a refrigeration system upon a recycle start
US4546618A (en) * 1984-09-20 1985-10-15 Borg-Warner Corporation Capacity control systems for inverter-driven centrifugal compressor based water chillers
DE3601817A1 (en) * 1986-01-22 1987-07-23 Egelhof Fa Otto CONTROL DEVICE FOR THE REFRIGERANT FLOW FOR EVAPORATING REFRIGERATION SYSTEMS OR HEAT PUMPS AND EXPANSION VALVES ARRANGED IN THE REFRIGERANT FLOW
GB8702008D0 (en) * 1987-01-29 1987-03-04 Calibre Energy Systems Ltd Energy producing source control

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JPS62182555A (en) 1987-08-10
GB2191021A (en) 1987-12-02
GB8702265D0 (en) 1987-03-11
FR2593897B1 (en) 1991-02-22
KR930004391B1 (en) 1993-05-27
GB2191021B (en) 1990-03-07
FR2593897A1 (en) 1987-08-07
CA1286750C (en) 1991-07-23

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