WO2005116548A1 - Dispositif de refroidissement et son procede de commande - Google Patents

Dispositif de refroidissement et son procede de commande Download PDF

Info

Publication number
WO2005116548A1
WO2005116548A1 PCT/IB2005/051699 IB2005051699W WO2005116548A1 WO 2005116548 A1 WO2005116548 A1 WO 2005116548A1 IB 2005051699 W IB2005051699 W IB 2005051699W WO 2005116548 A1 WO2005116548 A1 WO 2005116548A1
Authority
WO
WIPO (PCT)
Prior art keywords
ionizer
door
fan
operating
cooling device
Prior art date
Application number
PCT/IB2005/051699
Other languages
English (en)
Inventor
Emre Arisoy
Cemil Inan
Birol Konak
Dincer Ahmet
Hande Guclu
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Priority to EP05740442.8A priority Critical patent/EP1749174B1/fr
Priority to PL05740442T priority patent/PL1749174T3/pl
Priority to TR2006/06460T priority patent/TR200606460T1/xx
Publication of WO2005116548A1 publication Critical patent/WO2005116548A1/fr

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
    • F25D17/042—Air treating means within refrigerated spaces
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening

Definitions

  • This invention relates to a cooling device and a control method thereof wherein means are provided for sterilizing by removing microorganisms in order to prevent the foodstuff placed thereinside from spoiling.
  • various ionizers are utilized in order for foods to be preserved in a more sterile medium purified from microorganisms by removing microorganisms in the surroundings of the cooling device or on foods placed inside the cooling device as much as possible from the interior of the cooling and / or freezing compartments where foods are preserved.
  • Ionizer is simply a device comprising a high voltage generator and at least one electrode connected to the said high voltage generator. It is a device wherein the amount of ions in the environment is increased by ionizing the air around the electrode as a result of the high voltage applied to the mentioned electrode by the high voltage generator and, microorganisms in the environment are destroyed as they are surrounded by afore-mentioned ions.
  • ionizers are utilized to remove microorganisms (bacteria, virus, microbe etc.) out of the cooling device, which microorganisms are located on the foods placed inside and / or enter inside as the door of the cooling compartment or freezing compartment is opened and which shorten the preservation period of the foodstuff placed inside and cause the generation of bad odour as a result of the spoiling of said foodstuff.
  • Ionizers are also frequently utilized, particularly in air conditioners.
  • the object of the present invention is the realization of a cooling device and a control method thereof wherein means are provided for removing microorganisms and sterilizing, in order to prevent the foodstuff placed thereinside from spoiling.
  • Fig.1 - is a schematic view of a cooling device.
  • Fig.2 - is the flow chart of a control method of a cooling device.
  • Cooling device 1. Compartment 3. Compressor 4. Evaporator 5. Fan 6. Ionizer 7. Electrode 8. Door 9. Display 10. Input device 11. Control card 12. Air return duct
  • the cooling device (1) comprises a compressor (3) used to circulate the refrigerant in the refrigeration cycle by compressing, one or more than one compartment (2) where foods are placed inside in order to be cooled and / or frozen, at least one door (8) whereby the user can reach inside, an evaporator (4) whereby heat transfer between the refrigerant and the environment is achieved, an ionizer (6), comprising a high voltage generator and at least one electrode (7) connected to the said high voltage generator, which (6) is utilized to increase the amount of negative ions by ionizing the air around the electrode (7) as a result of the high voltage applied to the mentioned electrode (7) by the high voltage generator wherein microorganisms inside the air are destroyed as they are surrounded by the said negative ions, an air return duct (12) with one of its ends communicating with the compartment (2) and the other end communicating with a volume including the evaporator (4), wherein the ionizer (6) is positioned before the evaporator (4) with respect
  • microorganisms which are surrounded by negative ions and stick onto the evaporator (4) are removed to the outside of the cooling device (1) through a defrost procedure.
  • the ionizer (6) incorporates a, preferably 5000 - 10000 DC V, high voltage generator which is supplied by the network voltage and which increases the network voltage and, an electrode (7) with one of its ends opening to the air return duct (12), preferably in a form with a cylindrical or needle end, connected to the outlet of the said high voltage generator.
  • a high voltage generator which is supplied by the network voltage and which increases the network voltage
  • an electrode (7) with one of its ends opening to the air return duct (12), preferably in a form with a cylindrical or needle end, connected to the outlet of the said high voltage generator.
  • heat transfer occurs between the cold air which is cooled by means of the evaporator (4) and transferred into the compartment (2) by being blown by the fan (5) and the foodstuff placed inside the compartment (2) and, the air that is warmed as foods are cooled leaves the compartment (2) and enters the air return duct (12).
  • the suction of the fan (5) the air passing over the foods and containing microorganisms passes over the electrode (7) positioned inside the air return duct (12).
  • the ionizer (6) operates, as a result of high voltage, an electric field is generated between the electrode (7) and the air around it and therefore, molecules inside the air (water etc.) dissociate into their ions and the amount of negative ions is increased in the air return duct (12) where the electrode (7) is placed.
  • said negative ions generated inside the air return duct (12) causes them either to die due to lack of air or to become heavier and precipitate.
  • the evaporator (4) functions as a trap for the said microorganisms and that the air that is cooled again on the said evaporator (4) is blown into the compartment (2) after it is cleaned.
  • the frost layer which accumulates on the evaporator (4) and contains microorganisms surrounded by negative ions is then discharged to the outside of the cooling device (1) through a defrost procedure. Thereby, it is accomplished that microorganisms be captured in the air return duct (12) which obviously is a volume outside the compartment (2).
  • the cooling device (1) comprises one or more than one input device (10) enabling the user to enter data and, a control card (11) used to control the ionizer (6) to operate with respect to the data entered through the input device (10). If large amounts of foods are loaded into the cooling device (1) and / or odorous foods are placed, the user may utilize the input device (10) to transfer time data to the control card (11) so as to change the operation intervals and operation period of the ionizer (6) enabling the control card (11) to activate the ionizer (6) with respect to the said periods. Thereby, it is achieved that the user may operate the ionizer (6) more frequently for a longer period of time.
  • f DOO _ON/OFF is the number of the o rpening o / closing o of the compartment (2) door (8) by the user.
  • n is the number of opening / closing of the compartment (2) door (8) necessary to operate the ionizer (6), determined by the manufacturer.
  • t is the predetermined maximum waiting time for the ionizer (6) to restart.
  • t ION_MIN is the predetermined minimum waiting time for the ionizer (6) to restart.
  • [025] t is the predetermined operation period of the ionizer (6).
  • t IONJNPUT is the o spreration c period of the ionizer ( ⁇ 6) determined by J the user.
  • t is the minimum waiting time for the ionizer (6) to restart, determined ION_INPUT_MIN by the user.
  • the input device (10) is positioned on the cooling device (1) and, as data is entered by means of the input device (10), through the control card (11), it is achieved that the ionizer (6) operates for a period (t ) which is preferably longer than the predetermined o r peration r period (t ION ) and, that the minimum waiting ⁇ time (t IONJNPUTJvlI ) for the ionizer (6) to restart is preferably shorter than the predetermined minimum waiting time (t IO vMN ).
  • the cooling device (1) comprises a display (9) which gets active when the ionizer (6) is activated. Thereby, whether the ionizer (6) is operating or not is shown to the user.
  • a control method is developed for both sterilizing the cooling device (1) in a most efficient manner and for minimizing the energy consumption by effectively operating the ionizer (6).
  • cooling device (1) By means of the cooling device (1), object of the present invention, by removing the microorganisms inside the cooling device (1) to the outside of the cooling device (1), it is achieved that foods are cooled in a sterile medium, for a longer period without spoiling.

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)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

La présente invention concerne un dispositif de refroidissement (1) et son procédé de commande. Ce dispositif comprend des moyens de stérilisation permettant d'éliminer les micro-organismes et d'éviter que les aliments placés dans le dispositif ne s'abîment.
PCT/IB2005/051699 2004-05-25 2005-05-25 Dispositif de refroidissement et son procede de commande WO2005116548A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP05740442.8A EP1749174B1 (fr) 2004-05-25 2005-05-25 Dispositif de refroidissement et son procede de commande
PL05740442T PL1749174T3 (pl) 2004-05-25 2005-05-25 Urządzenie chłodzące i sposób sterowania nim
TR2006/06460T TR200606460T1 (tr) 2004-05-25 2005-05-25 Bir soğutucu ve kontrol yöntemi.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200401165 2004-05-25
TR2004/01165 2004-05-25

Publications (1)

Publication Number Publication Date
WO2005116548A1 true WO2005116548A1 (fr) 2005-12-08

Family

ID=34968475

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2005/051699 WO2005116548A1 (fr) 2004-05-25 2005-05-25 Dispositif de refroidissement et son procede de commande

Country Status (4)

Country Link
EP (1) EP1749174B1 (fr)
PL (1) PL1749174T3 (fr)
TR (1) TR200606460T1 (fr)
WO (1) WO2005116548A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2460225A (en) * 2008-05-19 2009-11-25 Mao-Chuan Ko Cooling apparatus comprising a water dissociation unit, and method for defrosting
CN111380291A (zh) * 2018-12-28 2020-07-07 青岛海尔股份有限公司 风冷冰箱及其杀菌方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003042645A (ja) * 2001-07-26 2003-02-13 Matsushita Refrig Co Ltd 冷蔵庫
EP1348923A1 (fr) * 2000-12-27 2003-10-01 Sharp Kabushiki Kaisha Unite de stockage et refrigerateur
JP2003294354A (ja) * 2002-03-29 2003-10-15 Sanyo Electric Co Ltd 冷蔵庫

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1348923A1 (fr) * 2000-12-27 2003-10-01 Sharp Kabushiki Kaisha Unite de stockage et refrigerateur
JP2003042645A (ja) * 2001-07-26 2003-02-13 Matsushita Refrig Co Ltd 冷蔵庫
JP2003294354A (ja) * 2002-03-29 2003-10-15 Sanyo Electric Co Ltd 冷蔵庫

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 06 3 June 2003 (2003-06-03) *
PATENT ABSTRACTS OF JAPAN vol. 2003, no. 12 5 December 2003 (2003-12-05) *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2460225A (en) * 2008-05-19 2009-11-25 Mao-Chuan Ko Cooling apparatus comprising a water dissociation unit, and method for defrosting
CN111380291A (zh) * 2018-12-28 2020-07-07 青岛海尔股份有限公司 风冷冰箱及其杀菌方法
CN111380291B (zh) * 2018-12-28 2022-03-25 海尔智家股份有限公司 风冷冰箱及其杀菌方法

Also Published As

Publication number Publication date
PL1749174T3 (pl) 2019-03-29
EP1749174B1 (fr) 2018-08-29
TR200606460T1 (tr) 2007-02-21
EP1749174A1 (fr) 2007-02-07

Similar Documents

Publication Publication Date Title
EP2487438B1 (fr) Réfrigérateur doté d'un stérilisateur
KR200340512Y1 (ko) 저장고 및 냉장고
EP2453190A1 (fr) Réfrigérateur
EP2144022A1 (fr) Réfrigérateur, et dispositif électrique
KR20010108743A (ko) 김치냉장고 및 그 제어방법
JP2005042989A (ja) 冷蔵庫
JP5251228B2 (ja) 冷蔵庫
JP2002333265A (ja) 貯蔵庫及び冷蔵庫
EP2620728B1 (fr) Procédé de commande d'un dispositif d'atomisation, procédé de commande d'un dispositif de décharge et réfrigérateur
JP4526476B2 (ja) 冷蔵庫
JP3824819B2 (ja) 冷凍冷蔵庫
JP2007205712A (ja) 貯蔵庫
EP1771094B1 (fr) Dispositif de refroidissement
EP1749174B1 (fr) Dispositif de refroidissement et son procede de commande
JP5239456B2 (ja) 冷蔵庫
JP3689759B2 (ja) 冷蔵庫
JP3676158B2 (ja) 冷蔵庫
JP2015092133A (ja) 貯蔵庫及び冷蔵庫
RU2537196C2 (ru) Холодильник и электрическое устройство
JP2005069649A (ja) 冷蔵庫
JP3089617U (ja) 冷蔵庫
KR0152413B1 (ko) 냉장고의 탈취장치
CN118031518A (zh) 用于冰箱的杀菌方法、装置及冰箱、计算机可读存储介质
KR0113427Y1 (ko) 냉장고의 살균 및 탈취장치
KR20010017263A (ko) 냉장고내 가습기의 오존발생 제어방법

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 2006/06460

Country of ref document: TR

WWE Wipo information: entry into national phase

Ref document number: 2005740442

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: DE

WWW Wipo information: withdrawn in national office

Ref document number: DE

WWP Wipo information: published in national office

Ref document number: 2005740442

Country of ref document: EP