JP7330367B2 - 熱源ユニット、冷凍サイクル装置および冷凍機 - Google Patents

熱源ユニット、冷凍サイクル装置および冷凍機 Download PDF

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Publication number
JP7330367B2
JP7330367B2 JP2022514898A JP2022514898A JP7330367B2 JP 7330367 B2 JP7330367 B2 JP 7330367B2 JP 2022514898 A JP2022514898 A JP 2022514898A JP 2022514898 A JP2022514898 A JP 2022514898A JP 7330367 B2 JP7330367 B2 JP 7330367B2
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Japan
Prior art keywords
oil
valve
refrigerant
compressor
heat source
Prior art date
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Active
Application number
JP2022514898A
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English (en)
Japanese (ja)
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JPWO2021210064A5 (https=
JPWO2021210064A1 (https=
Inventor
悠介 有井
洋貴 佐藤
康太 鈴木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Publication of JPWO2021210064A5 publication Critical patent/JPWO2021210064A5/ja
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    • 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
    • F25B31/00—Compressor arrangements
    • F25B31/002—Lubrication
    • F25B31/004—Lubrication oil recirculating 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
    • F25B31/00—Compressor arrangements
    • F25B31/006—Cooling of compressor or motor
    • 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
    • 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
    • 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
    • F25B2500/19—Calculation of parameters
    • 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
    • F25B2500/28—Means for preventing liquid refrigerant entering into the compressor
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
JP2022514898A 2020-04-14 2020-04-14 熱源ユニット、冷凍サイクル装置および冷凍機 Active JP7330367B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/016420 WO2021210064A1 (ja) 2020-04-14 2020-04-14 熱源ユニット、冷凍サイクル装置および冷凍機

Publications (3)

Publication Number Publication Date
JPWO2021210064A1 JPWO2021210064A1 (https=) 2021-10-21
JPWO2021210064A5 JPWO2021210064A5 (https=) 2022-10-26
JP7330367B2 true JP7330367B2 (ja) 2023-08-21

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JP2022514898A Active JP7330367B2 (ja) 2020-04-14 2020-04-14 熱源ユニット、冷凍サイクル装置および冷凍機

Country Status (3)

Country Link
EP (1) EP4137756A4 (https=)
JP (1) JP7330367B2 (https=)
WO (1) WO2021210064A1 (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7769377B2 (ja) * 2022-04-26 2025-11-13 シーピーエンジニアリング株式会社 冷菓製造装置
JP7801967B2 (ja) * 2022-07-14 2026-01-19 三菱重工業株式会社 冷凍システム
WO2024023988A1 (ja) * 2022-07-27 2024-02-01 三菱電機株式会社 冷凍サイクル装置
JP7578883B2 (ja) * 2022-09-30 2024-11-07 ダイキン工業株式会社 冷凍サイクル装置
EP4621322A1 (en) * 2022-11-17 2025-09-24 Panasonic Intellectual Property Management Co., Ltd. Refrigeration system and accumulator
CN115854594B (zh) * 2022-12-26 2025-04-22 珠海格力电器股份有限公司 均油控制方法、装置和空调机组
WO2025243497A1 (ja) * 2024-05-24 2025-11-27 三菱電機株式会社 冷凍サイクル装置
EP4682440A1 (de) * 2024-07-18 2026-01-21 Weiss Technik GmbH Prüfkammer und verfahren zur steuerung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001289519A (ja) 2000-04-06 2001-10-19 Mitsubishi Electric Corp 冷凍装置
JP2012247134A (ja) 2011-05-27 2012-12-13 Sanyo Electric Co Ltd 超低温冷凍装置
WO2016079859A1 (ja) 2014-11-20 2016-05-26 三菱電機株式会社 冷凍サイクル装置
JP2017116136A (ja) 2015-12-22 2017-06-29 パナソニックＩｐマネジメント株式会社 空気調和装置
WO2019021360A1 (ja) 2017-07-25 2019-01-31 三菱電機株式会社 冷凍サイクル装置
WO2019026270A1 (ja) 2017-08-04 2019-02-07 三菱電機株式会社 冷凍サイクル装置および熱源ユニット

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0452466A (ja) * 1990-06-18 1992-02-20 Daikin Ind Ltd 冷凍装置及び冷凍装置の運転制御装置
JP3238973B2 (ja) * 1993-02-01 2001-12-17 三洋電機株式会社 冷凍装置
CN106052178A (zh) * 2016-05-29 2016-10-26 湖南大学 一种带经济器和油冷却压缩两级制冷循环系统
CN109140829B (zh) * 2018-08-13 2019-11-19 珠海格力电器股份有限公司 压缩机回油结构、制冷机组及空调系统
CN110966202A (zh) * 2018-09-30 2020-04-07 广东美芝精密制造有限公司 压缩机组件、压缩机组件的控制方法和制冷设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001289519A (ja) 2000-04-06 2001-10-19 Mitsubishi Electric Corp 冷凍装置
JP2012247134A (ja) 2011-05-27 2012-12-13 Sanyo Electric Co Ltd 超低温冷凍装置
WO2016079859A1 (ja) 2014-11-20 2016-05-26 三菱電機株式会社 冷凍サイクル装置
JP2017116136A (ja) 2015-12-22 2017-06-29 パナソニックＩｐマネジメント株式会社 空気調和装置
WO2019021360A1 (ja) 2017-07-25 2019-01-31 三菱電機株式会社 冷凍サイクル装置
WO2019026270A1 (ja) 2017-08-04 2019-02-07 三菱電機株式会社 冷凍サイクル装置および熱源ユニット

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EP4137756A1 (en) 2023-02-22
WO2021210064A1 (ja) 2021-10-21
JPWO2021210064A1 (https=) 2021-10-21
EP4137756A4 (en) 2023-08-16

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