KR910018749A - 냉동 사이클 장치 - Google Patents

냉동 사이클 장치 Download PDF

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Publication number
KR910018749A
KR910018749A KR1019910006697A KR910006697A KR910018749A KR 910018749 A KR910018749 A KR 910018749A KR 1019910006697 A KR1019910006697 A KR 1019910006697A KR 910006697 A KR910006697 A KR 910006697A KR 910018749 A KR910018749 A KR 910018749A
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KR
South Korea
Prior art keywords
compressor
rotary compressor
cylinder rotary
switching
refrigeration cycle
Prior art date
Application number
KR1019910006697A
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English (en)
Other versions
KR950009396B1 (ko
Inventor
도시아끼 히또스기
Original Assignee
아오이 죠이찌
가부시끼가이샤 도시바
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Application filed by 아오이 죠이찌, 가부시끼가이샤 도시바 filed Critical 아오이 죠이찌
Publication of KR910018749A publication Critical patent/KR910018749A/ko
Application granted granted Critical
Publication of KR950009396B1 publication Critical patent/KR950009396B1/ko

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/001—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids of similar working principle
    • 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/40—Electric motor
    • F04C2240/403—Electric motor with inverter for speed control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2270/00—Control; Monitoring or safety arrangements
    • F04C2270/56—Number of pump/machine units in operation
    • 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
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • 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
    • F25B2600/02—Compressor control
    • F25B2600/021—Inverters therefor
    • 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
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)

Abstract

내용 없음

Description

냉동 사이클 장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 본 발명의 제 1 실시예의 제어회로 구성을 나타내는 블럭도.

Claims (7)

  1. 전동기 및 2개의 압축기부를 갖는 2실린더형 회전 압축기와, 이 2실린더형 회전 압축기에 응축기, 감압기 및 증발기를 접속시켜 이루어진 냉동사이클과, 전술한 2실린더형 회전 압축기의 전동기부에 구동 전력을 공급하는 인버터 회로와, 이 인버터 회로의 출력주파수를 부하에 따라서 제어하는 능력제어 수단과, 전술한 2 실린더형 회전 압축기의 각 압축기부의 단독 운전과 병렬 운전을 전환하는 전환수단과, 이 전환 수단에 의한 단독운전과 병렬 운전의 전환중에 효율이 높은 쪽을 선택하는 선택수단등을 구비한것을 특징으로하는 냉동사이클 장치.
  2. 제 1항에 있어서, 선택수단은 전술한 응축기의 온도에 따라서 단독운전과 병렬운전의 선택을 행하는 것을 특징으로하는 냉동사이클 장치.
  3. 제 1항에 있어서, 2실린더 회전 압축기의 전동기부는 직류모터를 사용하는 것을 특징으로 하는 냉동사이클 장치.
  4. 제 1항에 있어서, 인버터 회로의 출력전압ㅡ주파수 특성(VㅡF 특성)을 2실린더형 회전 압축기의 각 압축기부의 단독운전과 병렬운전이 다르게 한것을 특징으로 하는 냉동사이클 장치.
  5. 제 1항에 있어서, 능력 제어수단은 인버터 회로의 출력주파수 최저치를 2실린더형 회전 압축기의 각 압축기부의 단독운전과 병렬 운전의 전환점보다 밑에두고, 이 전환점의 운전효울 COP 보다도 높은 운전 효율 COP가 얻어지도록 수치를 제한하는 것을 특징으로 하는 냉동사이클 장치.
  6. 능력제어수단은 2실린더형 회전압축기의 각 압축기부의 단독운전과 병렬운전의 전환시에 이 2실린더형 회전 압축기의 능력이 동일치가 되도록 인버터 회로의 출력주파수를 제어하는 것을 특징으로 하는 냉동사이클 장치.
  7. 전동기부 및 2개의 압축기부를 갖고, 1개의 압축기부에 의한 단독 운전과 2개의 압축기부에 의한 병렬 운전이 가능한 2 실린더형 회전 압축기와, 이 회전압축기에 응축기, 감압기 및 증발기를 접속시켜 이루어진 냉동사이클과, 회전 압축기의 전동기부에 구동주파수를 공급하여 전술한 회전 압축기의 출력을 가변시키는 인버터 회로와, 응축기의 온도변화에 대응하는 단독운전시의 기준 주파수와 이 기준 주파수에 의한 단독운전의 능력과 동등한 병렬 운전을 실행시키는 병렬 운전의 기준 주파수를 기억하고 있는 메모리와, 응축기의 온도를 기초로하여, 현재의 운전 상태에서의 전술한 인버터 회로의 구동 주파수 변화와 전술한 메모리에 기억되어 대응 운전하는 기준 주파수와를 비교하여 그 운전상태를 전환시키는 전환수단, 전환된 운전상태에서 인버터 회로를 통해서 전술한 외전 압축기의 출력을 제어하는 제어수단등을 구비한 것을 특징으로 하는 냉동 사이클 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910006697A 1990-04-24 1991-04-24 냉동 사이클 장치 KR950009396B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2-106376 1990-04-24
JP2106376A JP2555464B2 (ja) 1990-04-24 1990-04-24 冷凍サイクル装置
JP??2-106376 1990-04-24

Publications (2)

Publication Number Publication Date
KR910018749A true KR910018749A (ko) 1991-11-30
KR950009396B1 KR950009396B1 (ko) 1995-08-22

Family

ID=14432000

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910006697A KR950009396B1 (ko) 1990-04-24 1991-04-24 냉동 사이클 장치

Country Status (4)

Country Link
US (1) US5170636A (ko)
JP (1) JP2555464B2 (ko)
KR (1) KR950009396B1 (ko)
GB (1) GB2246451B (ko)

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JP6076583B2 (ja) * 2011-01-19 2017-02-08 三菱重工業株式会社 ヒートポンプ
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CN104180573A (zh) * 2014-08-19 2014-12-03 重庆耐德能源装备集成有限公司 一种冷却系统
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Also Published As

Publication number Publication date
GB9108846D0 (en) 1991-06-12
GB2246451A (en) 1992-01-29
US5170636A (en) 1992-12-15
JP2555464B2 (ja) 1996-11-20
KR950009396B1 (ko) 1995-08-22
JPH046349A (ja) 1992-01-10
GB2246451B (en) 1993-11-24

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