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KR930002776A - Cooling system - Google Patents

Cooling system Download PDF

Info

Publication number
KR930002776A
KR930002776A KR1019920013217A KR920013217A KR930002776A KR 930002776 A KR930002776 A KR 930002776A KR 1019920013217 A KR1019920013217 A KR 1019920013217A KR 920013217 A KR920013217 A KR 920013217A KR 930002776 A KR930002776 A KR 930002776A
Authority
KR
South Korea
Prior art keywords
temperature
suction pipe
evaporator
difference
controlled
Prior art date
Application number
KR1019920013217A
Other languages
Korean (ko)
Inventor
다케시 스기모토
토시아키 야마구치
카즈히로 우에타
나오키 다나카
요시히로 스미다
Original Assignee
시키 모리야
미쓰비시덴키 가부시키가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 시키 모리야, 미쓰비시덴키 가부시키가이샤 filed Critical 시키 모리야
Publication of KR930002776A publication Critical patent/KR930002776A/en

Links

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
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • 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
    • F25B41/40—Fluid line 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
    • 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
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

내용 없음.No content.

Description

냉각장치Chiller

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

제1도는 이 발명의 실시예 1에 있어서의 냉각장치의 회로구성을 표시하는 도면.1 is a diagram showing a circuit configuration of a cooling device according to the first embodiment of the present invention.

제2도는 제1도에 있어서의 냉각장치의 동작중에 냉매의 상태를 표시한는 몰리에(mollier)선도.FIG. 2 is a mollier diagram showing the state of the refrigerant during the operation of the cooling device in FIG.

제3도는 제1도에 있어서의 냉각장치의 초기동작에서의 냉매의 상태를 표시하는 몰리에선도.FIG. 3 is a Molie diagram showing the state of the refrigerant in the initial operation of the cooling device in FIG.

Claims (3)

압축기, 응축기, 전자식팽창밸브, 증발기 및 냉매유량제어밸브를 순차로 접속해서 냉동사이클을 구성하는 냉각장치에 있어서, 상기 냉매유량제어밸브의 개도를 상기 증발기로 냉각되는 공기의 온도에 따라 제어하는 동시에 상기 전자식 팽창밸브를 상기 냉매유량제어밸브와 상기 압축기 사이의 흡입배관의 온도와 상기 흡입배관내의 압력에 상당하는 포화온도와의 차가 소정치가 되도록 제어하는 것을 특징으로 하는 냉각장치.In a cooling apparatus comprising a compressor, a condenser, an electronic expansion valve, an evaporator, and a refrigerant flow rate control valve sequentially, in a refrigeration cycle, the opening degree of the refrigerant flow rate control valve is controlled according to the temperature of the air cooled by the evaporator. And the electronic expansion valve is controlled such that a difference between the temperature of the suction pipe between the refrigerant flow control valve and the compressor and the saturation temperature corresponding to the pressure in the suction pipe becomes a predetermined value. 제1항에 있어서, 흡입배관의 온도와 상기 흡입배관의 압력에 상당하는 포화온도와의 차는 상기 포화온도를 변경함으로써 제어되는 것을 특징으로 하는 냉각장치.The cooling apparatus according to claim 1, wherein a difference between the temperature of the suction pipe and the saturation temperature corresponding to the pressure of the suction pipe is controlled by changing the saturation temperature. 제1항에 있어서, 흡입배관의 온도와 상기 흡입배관의 압력에 상당하는 포화온도와의 차는 증발기에서 냉각된 공기의 온도와 상기 증발기의 냉매배관 또는 입구냉매배관 온도와의 차로 제어되는 것을 특징으로 하는 냉각장치.The difference between the temperature of the suction pipe and the saturation temperature corresponding to the pressure of the suction pipe is controlled by the difference between the temperature of the air cooled in the evaporator and the temperature of the refrigerant pipe or the inlet refrigerant pipe of the evaporator. Chiller made. ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the original application.
KR1019920013217A 1991-07-25 1992-07-23 Cooling system KR930002776A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91-186220 1991-07-25
JP3186220A JPH0534023A (en) 1991-07-25 1991-07-25 Cooling device

Publications (1)

Publication Number Publication Date
KR930002776A true KR930002776A (en) 1993-02-23

Family

ID=16184474

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920013217A KR930002776A (en) 1991-07-25 1992-07-23 Cooling system

Country Status (2)

Country Link
JP (1) JPH0534023A (en)
KR (1) KR930002776A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8096141B2 (en) * 2005-01-25 2012-01-17 Trane International Inc. Superheat control by pressure ratio
DE102009047511A1 (en) 2009-12-04 2011-06-09 Schott Ag High-refractive and highly transparent optical glass
JP5881282B2 (en) * 2010-09-30 2016-03-09 三菱重工業株式会社 Turbo refrigeration apparatus, control apparatus and control method thereof

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5185003A (en) * 1975-01-22 1976-07-26 Hitachi Ltd KYUSUIKANETSUKI
JPS619453A (en) * 1984-06-26 1986-01-17 Toyo Ink Mfg Co Ltd Liquid coloring agent for abs resin

Also Published As

Publication number Publication date
JPH0534023A (en) 1993-02-09

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E902 Notification of reason for refusal
E902 Notification of reason for refusal
E601 Decision to refuse application