EP1655562A2 - Vorrichtung zur Steuerung einer Kühlschrankbehälter und Verfahren dafür - Google Patents

Vorrichtung zur Steuerung einer Kühlschrankbehälter und Verfahren dafür Download PDF

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Publication number
EP1655562A2
EP1655562A2 EP04078482A EP04078482A EP1655562A2 EP 1655562 A2 EP1655562 A2 EP 1655562A2 EP 04078482 A EP04078482 A EP 04078482A EP 04078482 A EP04078482 A EP 04078482A EP 1655562 A2 EP1655562 A2 EP 1655562A2
Authority
EP
European Patent Office
Prior art keywords
lower container
opening
lifting
container
door
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.)
Withdrawn
Application number
EP04078482A
Other languages
English (en)
French (fr)
Other versions
EP1655562A3 (de
Inventor
Seung-Hwan Oh
Kyung-Han Jeong
Sang-Oh Kim
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 EP1655562A2 publication Critical patent/EP1655562A2/de
Publication of EP1655562A3 publication Critical patent/EP1655562A3/de
Withdrawn legal-status Critical Current

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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
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F25D25/025—Drawers
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • 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
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/04—Charging, supporting, and discharging the articles to be cooled by conveyors
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the present invention relates to a refrigerator, and more particularly, to an apparatus for controlling a container of a refrigerator and a method thereof.
  • a refrigerator is composed of an upper cooling chamber and a lower cooling chamber.
  • a mechanical chamber in which a compressor, etc. are installed is formed at a rear lower portion of the lower cooling chamber.
  • a recent refrigerator is composed of an upper door and a lower door for independently opening and closing the upper cooling chamber and the lower cooling chamber.
  • the upper door is moved by an opening/closing method, and the lower door is moved by a pulling/pushing method.
  • FIG. 1 is a perspective view showing a construction of a refrigerator in accordance with the conventional art
  • FIG. 2 is a sectional view of a lower portion of a body of the refrigerator when a door is closed in accordance with the conventional art.
  • the conventional refrigerator comprises: a body 11 having an upper cooling chamber 12 and a lower cooling chamber 13 separated from each other based on a partition wall 17 formed in a horizontal direction therein; a plurality of upper doors 14 for opening and closing an opened front surface of the upper cooling chamber 12; and a lower door 15 for opening and closing an opened front surface of the lower cooling chamber 13.
  • a mechanical chamber 21 for accommodating a compressor 22, etc. is formed at a rear lower portion of the body 11.
  • the conventional refrigerator will be explained in more detail as follows.
  • the body 11 is composed of the upper cooling chamber 12 and the lower cooling chamber 13.
  • the upper cooling chamber 12 and the lower cooling chamber are separated from each other by the partition wall 17 formed in a horizontal direction.
  • a pair of upper doors 14 are rotatably connected to the opened front surface of the upper cooling chamber 12.
  • the lower door 15 is connected to the opened front surface of the lower cooling chamber 13, and opens and closes the lower cooling chamber 13 by being slid in a back and forth direction of the body 11.
  • a door rail 19 for supporting the lower door 15 to be slidable is installed at both inner walls of the lower cooling chamber 13 with a slidable state in a back and forth direction of the body 11.
  • the lower cooling chamber 13 is provided with a plurality of drawers 18-1 and 18-2 having an upwardly opened box shape to store food, etc. therein.
  • a basket 16 having an upwardly opened box shape to store food, etc. therein is provided at a rear surface of the lower door 15 with a slidable state in a back and forth direction of the body 11, and is integrally moved with the lower door 15.
  • Another object of the present invention is to provide a control circuit of a container of a refrigerator capable of automatically controlling the container provided at a rear surface of a lower door of the refrigerator to be lifted or lowered by a user's simple switch pressing operation.
  • an apparatus for controlling a container of a refrigerator comprising: a body having an upper cooling chamber and a lower cooling chamber having an opened front surface and separated from each other; an upper door for opening and closing the opened front surface of the upper cooling chamber; a lower door for opening and closing the opened front surface of the lower cooling chamber by being slid in a back and forth direction of the body; a lower container formed at a rear surface of the lower door to be movable in an up and down direction of the body; a plurality of upper containers slidable in a back and forth direction of the body and formed at the rear surface of the lower door and at an upper portion of the lower container; and a control means for controlling the lower container to be lifted or lowered.
  • the refrigerator comprises: a body 11 having an upper cooling chamber and a lower cooling chamber having an opened front surface and separated from each other; an upper door 14 for opening and closing the opened front surface of the upper cooling chamber; a lower door 41 for opening and closing the opened front surface of the lower cooling chamber by being slid in a back and forth direction of the body 11; a lower container 32 formed at a rear surface of the lower door 41 to be slidable integrally with the lower door 41 and movable in an up and down direction of the body; a plurality of upper containers 18-1 and 18-2 slidable in a back and forth direction of the body and formed at the rear surface of the lower door and at an upper portion of the lower container; and a control means (not shown) for controlling the lower container 32 to be lifted or lowered.
  • FIG. 4 is a flow chart showing a control method for the lower container of the refrigerator according to the present invention.
  • the method for controlling the container of the refrigerator comprises the steps of: sensing an opening of the upper door and each opening of the plural upper containers formed at a rear upper portion of the lower door (S41); receiving a user's selection signal for selecting a lifting mode or a lowering mode of the lower container installed at a rear lower portion of the lower door (S42); and lifting or lowering the lower container based on an opening of the upper door, an opening of the upper containers, and the user's selection signal (S43).
  • the control means includes: an input unit for receiving a user's selection signal for selecting a lifting mode or a lowering mode of the lower container; a relay unit for selecting a driving circuit for controlling a lifting mode of the lower container or a driving circuit for controlling a lowering mode of the lower container by the user's selection signal; a lifting unit for lifting or lowering the lower container according to the lifting mode or the lowering mode; a maximum sensing switch for sensing a maximum position of the lower container at the time of the lifting mode of the lower container; a minimum sensing switch for sensing a minimum position of the lower container at the time of the lowering mode of the lower container; a first opening sensing switch for sensing an opening of the upper door at the time of the lifting mode of the lower container; and a second opening sensing switch for sensing each opening of the plural upper containers at the time of the lifting mode of the lower container.
  • the relay unit is composed of a first relay and a second relay interworked each other, and the input unit is composed of a
  • the first opening sensing switch senses an opening of the upper door and the second opening sensing switch senses an opening of the plural upper containers (S41).
  • the plural upper containers are composed of a left upper container (18-1) and a right upper container (18-2).
  • the second opening sensing switch is composed of a left opening sensing switch and a right opening sensing switch.
  • the left opening sensing switch senses an opening of the left upper container 18-1
  • the right opening sensing switch senses an opening of the right upper container 18-2.
  • the input unit 33 receives a selection signal for selecting the lifting mode or the lowering mode of the lower container (S42).
  • the control means lifts or lowers the lower container on the basis of results sensed by the first opening sensing switch, the left opening sensing switch, and the right opening sensing switch and the selection signal (S43).
  • the lifting unit is composed of a lifting mode button and a lowering mode button. While the lifting mode button is pressed, the lifting unit continuously lifts the lower container 32 in a lifting mode. Also, while the lowering mode button is pressed, the lifting unit continuously lowers the lower container 32 in a lowering mode. As the lifting unit, a direct current motor is preferably used.
  • the maximum sensing switch senses the lower container 32 and cuts off a power supply to the lifting unit thereby to stop the lifting of the lower container 32.
  • the minimum sensing switch senses the lower container 32 and cuts off a power supply to the lifting unit thereby to stop the lowering of the lower container 32.
  • a control circuit for the container of the refrigerator according to the present invention will be explained in more detail with reference to FIG. 5.
  • FIG. 5 is a circuit diagram for controlling a motion of the lower container of the refrigerator according to the present invention.
  • SW1 denotes the maximum sensing switch
  • SW2 denotes the left opening sensing switch for the left upper container
  • SW3 denotes the right opening sensing switch for the right upper container
  • SW4 denotes the opening sensing switch for the upper door
  • SW5 denotes the minimum sensing switch
  • SW6 denotes the input unit
  • K1 denotes the relay unit
  • CON2 denotes the direct current (Dc) motor o the lifting unit
  • J2 is a current limiter.
  • two interworked three-way switches of the input unit respectively connect points 2 and 1 and points 5 and 4.
  • two interworked relays of the relay unit respectively connect points 10 and 7 and points 4 and 8.
  • power VCC is connected to the DC motor of the lifting unit via the point 2, the point 1, and the SW5, and is connected to a ground via the point 8, the point 4, and the point 5, thereby forming a driving circuit for controlling the lowering mode.
  • the lifting unit connected to the driving circuit for controlling the lowering mode lowers the lower container 32.
  • two interworked three-way switches of the input unit respectively connect points 2 and 3 and points 5 and 6.
  • two interworked relays of the relay unit respectively connect points 18 and 8 and points 6 and 7.
  • the power VCC is connected to the DC motor of the lifting unit via the point 2, the point 3, the SW1, the SW2, the SW3, and the SW4 and is connected to the ground via the point 7, the point 6, and the point 5, thereby forming a driving circuit for controlling the lifting mode.
  • a current direction in the lifting mode is opposite to a current direction of the lowering mode
  • a rotation direction of the DC motor in the lifting mode is opposite to a rotation direction of the DC motor in the lowering mode.
  • the lifting unit connected to the driving circuit for controlling the lifting mode lifts the lower container 32 when the SW2, the SW3, and the SW4 are closed, that is, when an opening of the left upper container 18-1, an opening of the right upper container 18-2, and an opening of the upper door are not sensed.
  • the SW6 is opened and thereby the power VCC is not supplied to the DC motor of the lifting unit any longer thus to stop the DC motor.
  • the SW1 is opened and thereby the power VCC is not supplied to the DC motor of the lifting unit any longer thus to stop the DC motor.
  • the power VCC is not supplied to the DC motor of the lifting unit any longer thereby to stop the DC motor.
  • the container provided at a rear surface of the lower door of the refrigerator is automatically lifted or lowered by the user's simple switch pressing operation. According to this, the user's inconvenience caused when food is to be stored in the container or to be taken out from the container can be solved.
  • the circuit for automatically controlling the container provided at the rear surface of the lower door of the refrigerator to be lifted or lowered by the user's simple switch pressing operation is provided.

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)
  • Refrigerator Housings (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP04078482A 2004-11-09 2004-12-22 Vorrichtung zur Steuerung einer Kühlschrankbehälter und Verfahren dafür Withdrawn EP1655562A3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020040091031A KR100619757B1 (ko) 2004-11-09 2004-11-09 바스켓 승강장치를 구비한 냉장고 및 그 냉장고의 바스켓 승강장치의 제어방법

Publications (2)

Publication Number Publication Date
EP1655562A2 true EP1655562A2 (de) 2006-05-10
EP1655562A3 EP1655562A3 (de) 2006-07-26

Family

ID=36168895

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04078482A Withdrawn EP1655562A3 (de) 2004-11-09 2004-12-22 Vorrichtung zur Steuerung einer Kühlschrankbehälter und Verfahren dafür

Country Status (5)

Country Link
US (1) US20060096304A1 (de)
EP (1) EP1655562A3 (de)
KR (1) KR100619757B1 (de)
CN (1) CN100404986C (de)
AU (1) AU2004242446B2 (de)

Families Citing this family (16)

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Publication number Priority date Publication date Assignee Title
US8231190B2 (en) * 2008-02-01 2012-07-31 Whirlpool Corporation Articulated freezer drawers
EP2283290A4 (de) 2008-03-26 2014-01-15 Lg Electronics Inc Kühlvorrichtung
KR101441133B1 (ko) * 2008-03-26 2014-09-17 엘지전자 주식회사 냉장고의 드로어 구동 제어 방법
US8217613B2 (en) 2008-03-26 2012-07-10 Lg Electronics Inc. System and method for driving a drawer of a refrigerator and refrigerator employing same
CN101981396A (zh) * 2008-03-26 2011-02-23 Lg电子株式会社 用于驱动冰箱抽屉的系统和方法
KR101380557B1 (ko) * 2008-03-26 2014-04-01 엘지전자 주식회사 냉장고의 드로어 구동 시스템 및 제어 방법
WO2009119924A1 (en) 2008-03-26 2009-10-01 Lg Electronics Inc. Refrigerator, system and method for driving a drawer of the refrigerator
CN101981397B (zh) * 2008-03-26 2013-08-21 Lg电子株式会社 用于驱动冰箱中的抽屉的系统及方法
KR101592575B1 (ko) * 2009-03-20 2016-02-05 엘지전자 주식회사 냉장고
KR101592573B1 (ko) * 2009-03-20 2016-02-05 엘지전자 주식회사 냉장고
KR101592574B1 (ko) * 2009-03-20 2016-02-05 엘지전자 주식회사 냉장고 및 그 제어 방법
KR101592571B1 (ko) * 2009-03-20 2016-02-05 엘지전자 주식회사 냉장고 및 그 제어 방법
KR101592572B1 (ko) * 2009-03-20 2016-02-05 엘지전자 주식회사 냉장고 및 그 제어 방법
US9377238B2 (en) * 2013-03-14 2016-06-28 Electrolux Home Products, Inc. Refrigerator with a scissor-type lift mechanism
US9107494B2 (en) 2013-03-14 2015-08-18 Electrolux Home Products, Inc. Refrigerator with a lift mechanism including at least one pivot arm
JP6373653B2 (ja) * 2013-06-25 2018-08-15 東芝ライフスタイル株式会社 冷蔵庫

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US3033636A (en) * 1960-12-19 1962-05-08 Gen Motors Corp Refrigerator shelving
DE2461853A1 (de) * 1973-09-05 1976-07-08 Schwalm Lieselotte Tragekoerper fuer einlegeboeden in schraenken und regalen, auszieh- und absenkbar
FR2666729A1 (fr) * 1990-09-13 1992-03-20 Bailly Alain Meuble comportant une serie verticale de tiroirs, mobile en hauteur.
JPH05296647A (ja) * 1992-04-14 1993-11-09 Toshiba Corp 冷蔵庫
DE29701227U1 (de) * 1997-01-25 1997-04-30 TIAW Thüringer Institut für akademische Weiterbildung eV, 99084 Erfurt Schrank mit verfahrbaren Fächern
JP2001091151A (ja) * 1999-09-20 2001-04-06 Matsushita Refrig Co Ltd 棚装置及びこの棚装置を備えた冷蔵庫
JP2001280830A (ja) * 2000-03-30 2001-10-10 Sanyo Electric Co Ltd 冷蔵庫等の食品貯蔵装置
JP2001343186A (ja) * 2000-03-27 2001-12-14 Mitsubishi Electric Corp 冷蔵庫
US20030173882A1 (en) * 2002-03-15 2003-09-18 Maytag Corporation Freezer drawer support assembly

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JP2918530B2 (ja) * 1997-04-18 1999-07-12 三星電子株式会社 冷気吐出口の開閉装置を備えた冷蔵庫
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US2855262A (en) * 1954-01-19 1958-10-07 Gen Motors Corp Refrigerator storage tray
US3033636A (en) * 1960-12-19 1962-05-08 Gen Motors Corp Refrigerator shelving
DE2461853A1 (de) * 1973-09-05 1976-07-08 Schwalm Lieselotte Tragekoerper fuer einlegeboeden in schraenken und regalen, auszieh- und absenkbar
FR2666729A1 (fr) * 1990-09-13 1992-03-20 Bailly Alain Meuble comportant une serie verticale de tiroirs, mobile en hauteur.
JPH05296647A (ja) * 1992-04-14 1993-11-09 Toshiba Corp 冷蔵庫
DE29701227U1 (de) * 1997-01-25 1997-04-30 TIAW Thüringer Institut für akademische Weiterbildung eV, 99084 Erfurt Schrank mit verfahrbaren Fächern
JP2001091151A (ja) * 1999-09-20 2001-04-06 Matsushita Refrig Co Ltd 棚装置及びこの棚装置を備えた冷蔵庫
JP2001343186A (ja) * 2000-03-27 2001-12-14 Mitsubishi Electric Corp 冷蔵庫
JP2001280830A (ja) * 2000-03-30 2001-10-10 Sanyo Electric Co Ltd 冷蔵庫等の食品貯蔵装置
US20030173882A1 (en) * 2002-03-15 2003-09-18 Maytag Corporation Freezer drawer support assembly

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Also Published As

Publication number Publication date
AU2004242446A1 (en) 2006-05-25
KR100619757B1 (ko) 2006-09-07
CN1773202A (zh) 2006-05-17
EP1655562A3 (de) 2006-07-26
US20060096304A1 (en) 2006-05-11
KR20060042449A (ko) 2006-05-15
AU2004242446B2 (en) 2007-01-18
CN100404986C (zh) 2008-07-23

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