[go: up one dir, main page]

EP3779333A4 - Refrigerator and method for controlling same - Google Patents

Refrigerator and method for controlling same Download PDF

Info

Publication number
EP3779333A4
EP3779333A4 EP19774782.7A EP19774782A EP3779333A4 EP 3779333 A4 EP3779333 A4 EP 3779333A4 EP 19774782 A EP19774782 A EP 19774782A EP 3779333 A4 EP3779333 A4 EP 3779333A4
Authority
EP
European Patent Office
Prior art keywords
refrigerator
controlling same
controlling
same
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
EP19774782.7A
Other languages
German (de)
French (fr)
Other versions
EP3779333A1 (en
Inventor
Sangbok Choi
Sungwook Kim
Kyongbae Park
Sung Jhee
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP3779333A1 publication Critical patent/EP3779333A1/en
Publication of EP3779333A4 publication Critical patent/EP3779333A4/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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • F25D21/006—Defroster control with electronic control circuits
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/02—Detecting the presence of frost or condensate
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/008—Alarm 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/11—Sensor to detect if defrost is necessary
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Defrosting Systems (AREA)
EP19774782.7A 2018-03-26 2019-03-19 Refrigerator and method for controlling same Pending EP3779333A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180034516A KR102536378B1 (en) 2018-03-26 2018-03-26 Refrigerator and controlling method the same
PCT/KR2019/003206 WO2019190114A1 (en) 2018-03-26 2019-03-19 Refrigerator and method for controlling same

Publications (2)

Publication Number Publication Date
EP3779333A1 EP3779333A1 (en) 2021-02-17
EP3779333A4 true EP3779333A4 (en) 2021-12-29

Family

ID=68062307

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19774782.7A Pending EP3779333A4 (en) 2018-03-26 2019-03-19 Refrigerator and method for controlling same

Country Status (6)

Country Link
US (1) US20210010738A1 (en)
EP (1) EP3779333A4 (en)
KR (1) KR102536378B1 (en)
CN (2) CN114704993B (en)
AU (1) AU2019243005B2 (en)
WO (1) WO2019190114A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102536378B1 (en) * 2018-03-26 2023-05-25 엘지전자 주식회사 Refrigerator and controlling method the same
KR102665398B1 (en) * 2019-01-10 2024-05-13 엘지전자 주식회사 Refrigerator
KR102630194B1 (en) 2019-01-10 2024-01-29 엘지전자 주식회사 Refrigerator
KR20220018177A (en) 2020-08-06 2022-02-15 엘지전자 주식회사 refrigerator
KR20220018179A (en) 2020-08-06 2022-02-15 엘지전자 주식회사 refrigerator
KR20220018176A (en) 2020-08-06 2022-02-15 엘지전자 주식회사 refrigerator
KR20220018181A (en) 2020-08-06 2022-02-15 엘지전자 주식회사 refrigerator
EP4194776A4 (en) 2020-08-06 2024-07-24 LG Electronics Inc. FRIDGE
KR20220018178A (en) * 2020-08-06 2022-02-15 엘지전자 주식회사 refrigerator and operating method thereof
KR20220018175A (en) 2020-08-06 2022-02-15 엘지전자 주식회사 refrigerator
KR20220018180A (en) 2020-08-06 2022-02-15 엘지전자 주식회사 refrigerator
KR20230000232A (en) 2021-06-24 2023-01-02 엘지전자 주식회사 refrigerator
KR20230000231A (en) 2021-06-24 2023-01-02 엘지전자 주식회사 refrigerator

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355904A (en) * 1966-01-21 1967-12-05 Texas Instruments Inc Differential fluid velocity sensing
US3465534A (en) * 1967-10-31 1969-09-09 Texas Instruments Inc Differential flow sensing apparatus
GB1586308A (en) * 1977-01-03 1981-03-18 Electric Power Res Inst Apparatus for de-frosting low temperature heat exchanger
JPS60226688A (en) * 1984-04-26 1985-11-11 株式会社日立製作所 Defrostation controller
EP3764033A1 (en) * 2018-03-08 2021-01-13 LG Electronics Inc. Refrigerator and controlling method thereof

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643457A (en) * 1970-11-20 1972-02-22 Westinghouse Electric Corp Frost detector for refrigeration system
JPS59185968A (en) * 1983-04-08 1984-10-22 株式会社日立製作所 Frost clogging detection device
JPH01312378A (en) * 1988-06-10 1989-12-18 Toshiba Corp Frost sensor for heat exchanger
JPH07146306A (en) * 1993-11-25 1995-06-06 Murata Mfg Co Ltd Air-speed sensor
JPH0886557A (en) * 1994-09-19 1996-04-02 Ishizuka Denshi Kk Frost detector
JPH08303932A (en) * 1995-05-08 1996-11-22 Fuji Electric Co Ltd Defroster for freezer refrigeration showcase
JPH09178328A (en) * 1995-12-28 1997-07-11 Ishizuka Denshi Kk Frosting detecting device
KR19990005704A (en) * 1997-06-30 1999-01-25 배순훈 Defroster of the refrigerator
US5934088A (en) * 1997-09-02 1999-08-10 Hoshizaki Denki Kabushiki Kaisha Error monitoring apparatus in refrigerator
KR100292187B1 (en) 1998-06-30 2001-11-26 전주범 Defrost cycle variable method
KR100547421B1 (en) * 1998-09-04 2006-04-12 주식회사 엘지이아이 Freezing detector of the refrigerator
JP2000337753A (en) * 1999-05-27 2000-12-08 Denso Corp Air conditioner
KR20090103233A (en) * 2008-03-28 2009-10-01 삼성전자주식회사 Refrigerator and method for controlling defrost thereof
CN101738054B (en) * 2009-12-30 2012-07-04 天津大学 Method for defrosting based on by-pass circulating defrosting structure of refrigerator
JP5093263B2 (en) * 2010-02-24 2012-12-12 三菱電機株式会社 refrigerator
US9127875B2 (en) * 2011-02-07 2015-09-08 Electrolux Home Products, Inc. Variable power defrost heater
US9557091B1 (en) * 2013-01-25 2017-01-31 Whirlpool Corporation Split air pathway
WO2014137060A1 (en) * 2013-03-04 2014-09-12 주식회사 두텍 Apparatus for detecting time to defrost evaporation heat exchanger based on bypass airflow measurement and method for controlling operations of same
KR20160027761A (en) * 2014-09-02 2016-03-10 한국알프스 주식회사 Frost sensing unit and defrosting apparatus including the same and defrosting methods for refrigerator
KR101536284B1 (en) * 2015-04-15 2015-07-14 주식회사 대일 Sensor device for detecting frost accumulation used for defrosting outdoor evaporator of a heat-pump system
CN106813447A (en) * 2015-11-27 2017-06-09 松下电器研究开发(苏州)有限公司 Refrigerator
CN106996675A (en) * 2016-01-22 2017-08-01 广州市美控电子科技有限公司 refrigeration temperature control intelligent defrosting control device
KR101843641B1 (en) * 2016-07-19 2018-03-30 엘지전자 주식회사 Defrosting apparatus and refrigerator including the same
CN106595215B (en) * 2016-11-11 2019-08-02 青岛海尔股份有限公司 The defrosting control method and device of wind cooling refrigerator
KR102536378B1 (en) * 2018-03-26 2023-05-25 엘지전자 주식회사 Refrigerator and controlling method the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355904A (en) * 1966-01-21 1967-12-05 Texas Instruments Inc Differential fluid velocity sensing
US3465534A (en) * 1967-10-31 1969-09-09 Texas Instruments Inc Differential flow sensing apparatus
GB1586308A (en) * 1977-01-03 1981-03-18 Electric Power Res Inst Apparatus for de-frosting low temperature heat exchanger
JPS60226688A (en) * 1984-04-26 1985-11-11 株式会社日立製作所 Defrostation controller
EP3764033A1 (en) * 2018-03-08 2021-01-13 LG Electronics Inc. Refrigerator and controlling method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019190114A1 *

Also Published As

Publication number Publication date
CN111868462A (en) 2020-10-30
KR20190112482A (en) 2019-10-07
EP3779333A1 (en) 2021-02-17
CN114704993A (en) 2022-07-05
KR102536378B1 (en) 2023-05-25
US20210010738A1 (en) 2021-01-14
WO2019190114A1 (en) 2019-10-03
AU2019243005B2 (en) 2022-07-14
CN114704993B (en) 2024-04-02
AU2019243005A1 (en) 2020-10-15
CN111868462B (en) 2022-04-15

Similar Documents

Publication Publication Date Title
EP3779334A4 (en) Refrigerator and method for controlling same
EP3779333A4 (en) Refrigerator and method for controlling same
EP3764033A4 (en) Refrigerator and controlling method thereof
EP3822566A4 (en) Refrigerator and method for controlling refrigerator
EP3245462A4 (en) Refrigerator and control method thereof
EP3575046A4 (en) Mobile robot and method for controlling same
EP3155336A4 (en) Refrigerator and control method for refrigerator
EP3350524A4 (en) Refrigerator and method of controlling the same
EP3829833A4 (en) Moving robot and controlling method thereof
EP3296675A4 (en) Refrigerator and control method therefor
EP3829829A4 (en) Moving robot and controlling method thereof
EP3660431A4 (en) Refrigerator and control method therefor
EP3594481B8 (en) Engine controller and engine control method
EP3435014A4 (en) Refrigerator and control method therefor
EP3460357A4 (en) Refrigerant circuit system and method for controlling refrigerant circuit system
EP3343145A4 (en) Refrigerator and control method thereof
EP3782771A4 (en) Robot and control method therefor
EP3933329A4 (en) Method for controlling refrigerator
EP3242099A4 (en) Refrigerator and method for controlling refrigerator
EP3795051A4 (en) Cleaner and method for controlling same
EP3540344A4 (en) Refrigerator and method for controlling same
EP3894143A4 (en) Moving robot and method for controlling the same
EP3933330A4 (en) Method for controlling refrigerator
EP3832237A4 (en) Method for controlling refrigerator
EP3940323A4 (en) Refrigerator and control method therefor

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: 20201010

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

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20211129

RIC1 Information provided on ipc code assigned before grant

Ipc: F25D 21/08 20060101ALN20211123BHEP

Ipc: F25D 21/02 20060101AFI20211123BHEP

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: 20230206