EP3951288A4 - Outdoor unit and refrigeration cycle device equipped with same - Google Patents

Outdoor unit and refrigeration cycle device equipped with same Download PDF

Info

Publication number
EP3951288A4
EP3951288A4 EP19922100.3A EP19922100A EP3951288A4 EP 3951288 A4 EP3951288 A4 EP 3951288A4 EP 19922100 A EP19922100 A EP 19922100A EP 3951288 A4 EP3951288 A4 EP 3951288A4
Authority
EP
European Patent Office
Prior art keywords
outdoor unit
circuit device
device equipped
refrigeration circuit
refrigeration
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP19922100.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3951288A1 (en
Inventor
Shintaro KOYAMA
Hiroki Sato
Yusuke Arii
Tomotaka Ishikawa
Ryo TSUKIYAMA
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
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3951288A1 publication Critical patent/EP3951288A1/en
Publication of EP3951288A4 publication Critical patent/EP3951288A4/en
Pending legal-status Critical Current

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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/005—Arrangement or mounting of control or safety devices of 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • 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
    • F25B2400/00—Component parts or details not otherwise provided for in this subclass
    • F25B2400/01—Heaters
    • 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—Component parts or details not otherwise provided for in this subclass
    • F25B2400/04—Refrigeration circuit bypassing means
    • 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
    • F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
    • F25B2500/222—Detecting refrigerant leaks
    • 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
    • F25B2600/05—Refrigerant levels
    • 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
    • F25B2600/19—Refrigerant outlet condenser 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
    • F25B2600/21—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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • 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
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • 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
    • F25B2700/2101—Temperatures in a bypass
    • 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
    • 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
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21162—Temperatures of a condenser of the refrigerant at the inlet of the condenser
    • 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
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
EP19922100.3A 2019-03-26 2019-03-26 Outdoor unit and refrigeration cycle device equipped with same Pending EP3951288A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/012745 WO2020194490A1 (ja) 2019-03-26 2019-03-26 室外機及びそれを備える冷凍サイクル装置

Publications (2)

Publication Number Publication Date
EP3951288A1 EP3951288A1 (en) 2022-02-09
EP3951288A4 true EP3951288A4 (en) 2022-03-23

Family

ID=72609336

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19922100.3A Pending EP3951288A4 (en) 2019-03-26 2019-03-26 Outdoor unit and refrigeration cycle device equipped with same

Country Status (4)

Country Link
EP (1) EP3951288A4 (ja)
JP (1) JP7154388B2 (ja)
CN (1) CN113614473B (ja)
WO (1) WO2020194490A1 (ja)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11231198B2 (en) 2019-09-05 2022-01-25 Trane International Inc. Systems and methods for refrigerant leak detection in a climate control system
US12487008B2 (en) 2022-01-14 2025-12-02 Trane International Inc. Method of commissioning an HVAC system
US12117191B2 (en) 2022-06-24 2024-10-15 Trane International Inc. Climate control system with improved leak detector
ES2946857B2 (es) * 2023-01-30 2023-10-25 Univ Valencia Politecnica Método y sensor de detección de fugas de refrigerante

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005043008A (ja) * 2003-07-24 2005-02-17 Denso Corp 冷凍サイクル装置
US20070089438A1 (en) * 2005-10-21 2007-04-26 Abtar Singh Monitoring refrigerant in a refrigeration system
JP2011226704A (ja) * 2010-04-20 2011-11-10 Mitsubishi Electric Corp 冷凍空調装置並びに冷凍空調システム
EP3193105A2 (en) * 2016-01-13 2017-07-19 Bergstrom, Inc. Refrigeration system with superheating, subcooling and refrigerant charge level control
JP2018105532A (ja) * 2016-12-26 2018-07-05 カルソニックカンセイ株式会社 空調装置
EP3358277A1 (en) * 2015-09-30 2018-08-08 Daikin Industries, Ltd. Refrigerant leakage spot specifying method
GB2564312A (en) * 2016-05-09 2019-01-09 Mitsubishi Electric Corp Refrigeration device
WO2019053880A1 (ja) * 2017-09-15 2019-03-21 三菱電機株式会社 冷凍空調装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4576011A (en) * 1982-11-01 1986-03-18 Electric Power Research Institute Air conditioning system and method of operation
JP3178178B2 (ja) * 1993-08-26 2001-06-18 松下電器産業株式会社 冷凍サイクルの飽和蒸気温度検出回路
JP2006214617A (ja) * 2005-02-02 2006-08-17 Matsushita Electric Ind Co Ltd 空気調和機
JP4317878B2 (ja) * 2007-01-05 2009-08-19 日立アプライアンス株式会社 空気調和機及びその冷媒量判定方法
US20090037142A1 (en) * 2007-07-30 2009-02-05 Lawrence Kates Portable method and apparatus for monitoring refrigerant-cycle systems
JP5674452B2 (ja) 2010-12-22 2015-02-25 三菱電機株式会社 冷凍装置
EP3705800A3 (en) * 2012-07-03 2020-12-23 Samsung Electronics Co., Ltd. Diagnosis control method for an air conditioner
US20150059373A1 (en) * 2013-09-05 2015-03-05 Beckett Performance Products, Llc Superheat and sub-cooling control of refrigeration system
WO2015111222A1 (ja) * 2014-01-27 2015-07-30 三菱電機株式会社 冷凍装置
KR20160099938A (ko) * 2015-02-13 2016-08-23 주식회사 대유위니아 냉장고의 냉매 누설 감지 방법
KR101710941B1 (ko) * 2015-12-18 2017-02-28 서울대학교산학협력단 히트펌프 시스템의 냉매량 판단방법
JP6737295B2 (ja) * 2017-04-05 2020-08-05 株式会社デンソー 冷媒漏れ検知装置、冷凍サイクル装置
CN112513541B (zh) * 2018-08-09 2022-04-26 三菱电机株式会社 制冷循环装置
WO2020065999A1 (ja) * 2018-09-28 2020-04-02 三菱電機株式会社 冷凍サイクル装置の室外機、冷凍サイクル装置、及び空気調和装置
WO2020079771A1 (ja) * 2018-10-17 2020-04-23 三菱電機株式会社 室外機及びそれを備える冷凍サイクル装置
WO2020144738A1 (ja) * 2019-01-08 2020-07-16 三菱電機株式会社 空気調和装置
CN110162013A (zh) * 2019-05-29 2019-08-23 上海理工大学 一种制冷系统故障诊断方法

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005043008A (ja) * 2003-07-24 2005-02-17 Denso Corp 冷凍サイクル装置
US20070089438A1 (en) * 2005-10-21 2007-04-26 Abtar Singh Monitoring refrigerant in a refrigeration system
JP2011226704A (ja) * 2010-04-20 2011-11-10 Mitsubishi Electric Corp 冷凍空調装置並びに冷凍空調システム
EP3358277A1 (en) * 2015-09-30 2018-08-08 Daikin Industries, Ltd. Refrigerant leakage spot specifying method
EP3193105A2 (en) * 2016-01-13 2017-07-19 Bergstrom, Inc. Refrigeration system with superheating, subcooling and refrigerant charge level control
GB2564312A (en) * 2016-05-09 2019-01-09 Mitsubishi Electric Corp Refrigeration device
JP2018105532A (ja) * 2016-12-26 2018-07-05 カルソニックカンセイ株式会社 空調装置
WO2019053880A1 (ja) * 2017-09-15 2019-03-21 三菱電機株式会社 冷凍空調装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020194490A1 *

Also Published As

Publication number Publication date
JP7154388B2 (ja) 2022-10-17
WO2020194490A1 (ja) 2020-10-01
JPWO2020194490A1 (ja) 2021-11-11
EP3951288A1 (en) 2022-02-09
CN113614473B (zh) 2022-12-20
CN113614473A (zh) 2021-11-05

Similar Documents

Publication Publication Date Title
EP3730871A4 (en) HEAT SOURCE UNIT AND COOLING CYCLE DEVICE
EP3712969A4 (en) LIGHTING MODULE AND LIGHTING UNIT INCLUDING IT
EP3597929A4 (en) COOLING FAN AND SEAT COOLING SYSTEM INCLUDING IT
EP3786400A4 (en) DOOR CLOSER AND REFRIGERATOR INCLUDING IT
EP3792545C0 (en) WALL BRACKET AND DISPLAY DEVICE PROVIDED WITH
EP3683523A4 (en) REFRIGERATION CYCLE UNIT AND REFRIGERATION UNIT
EP3951288A4 (en) Outdoor unit and refrigeration cycle device equipped with same
EP3647698A4 (en) STORAGE DEVICE AND REFRIGERATOR PROVIDED WITH SAME
EP3812833C0 (en) DIRECT TYPE BACKLIGHT DEVICE AND DISPLAY APPARATUS COMPRISING SAME
EP3575730A4 (en) HEAT SOURCE SIDE UNIT AND REFRIGERATION CYCLE DEVICE
EP3805670A4 (en) DISPENSER AND COOLING CYCLE DEVICE
EP3883403C0 (en) VAPORIZER ASSEMBLY AND ASSOCIATED COMPONENTS
EP3425202A4 (en) SCREW COMPRESSOR AND COOLING CYCLE DEVICE
EP4083556A4 (en) HEAT EXCHANGER, OUTDOOR UNIT AND REFRIGERATION CYCLE DEVICE
GB202000511D0 (en) Condenser and refrigeration device provided with condenser
EP3957855A4 (en) COMPRESSOR AND REFRIGERATOR
DK4030116T3 (da) Udendørsenhed og kølekredsløbsindretning
EP3505765A4 (en) SCREW COMPRESSOR AND COOLING CYCLE DEVICE
EP3686471A4 (en) SUPPORT AND DISPLAY DEVICE INCLUDING LEDIT SUPPORT
DK4030117T3 (da) Udendørsenhed og kølekredsløbsindretning
EP3957857A4 (en) COMPRESSOR AND REFRIGERATOR
EP3933305A4 (en) THERMOELECTRIC MODULE AND REFRIGERATOR WITH IT
EP3653978A4 (en) CONSOLE FOR SHELF AND REFRIGERATOR EQUIPPED WITH IT
EP3832244A4 (en) HEAT EXCHANGER, HEAT EXCHANGER UNIT AND REFRIGERATION CYCLE DEVICE
EP3663679A4 (en) HEAT EXCHANGER AND COOLING CYCLE DEVICE

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20210709

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

A4 Supplementary search report drawn up and despatched

Effective date: 20220218

RIC1 Information provided on ipc code assigned before grant

Ipc: F25B 40/00 20060101ALI20220215BHEP

Ipc: F25B 40/02 20060101ALI20220215BHEP

Ipc: F25B 49/00 20060101ALI20220215BHEP

Ipc: F25B 49/02 20060101AFI20220215BHEP

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20240726