EP2405220A1 - Kühlschrank - Google Patents

Kühlschrank Download PDF

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Publication number
EP2405220A1
EP2405220A1 EP10748525A EP10748525A EP2405220A1 EP 2405220 A1 EP2405220 A1 EP 2405220A1 EP 10748525 A EP10748525 A EP 10748525A EP 10748525 A EP10748525 A EP 10748525A EP 2405220 A1 EP2405220 A1 EP 2405220A1
Authority
EP
European Patent Office
Prior art keywords
plate
refrigerator
filter assembly
liquid
purifying device
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.)
Granted
Application number
EP10748525A
Other languages
English (en)
French (fr)
Other versions
EP2405220A4 (de
EP2405220B1 (de
Inventor
Kazuya c/o Panasonic Corp. HIGAMI
Tatsuhiko c/o Panasonic Corp. TSUNOO
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.)
Panasonic Corp
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Publication of EP2405220A1 publication Critical patent/EP2405220A1/de
Publication of EP2405220A4 publication Critical patent/EP2405220A4/de
Application granted granted Critical
Publication of EP2405220B1 publication Critical patent/EP2405220B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F25D23/126—Water cooler
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/121—General constructional features not provided for in other groups of this subclass the refrigerator is characterised by a water filter for the water/ice dispenser
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/122—General constructional features not provided for in other groups of this subclass the refrigerator is characterised by a water tank for the water/ice dispenser

Definitions

  • the present invention relates to refrigerators, and particularly to a refrigerator which can purify and cool a liquid such as water introduced to inside of the refrigerator.
  • a refrigerator which introduces water directly from a water pipe or the like, purifies the water, stores and cools the water in a tank, and supplies the cool water or ice from a supply opening provided on a door.
  • Patent Literature (PTL) 1 describes a refrigerator which includes, in a space behind a drawer inside of the refrigerator, a purifying device which purifies water, and a meander-shaped tank which stores water, and supplies water or ice from a supply opening provided on a front door of the refrigerator.
  • the depth width of the drawer is decreased because the purifying device and the tank are disposed behind the drawer.
  • the conventional refrigerator sacrifices an effective storage space to dispose the purifying device.
  • the present invention has been conceived in view of the above-described problem and has an object to provide a refrigerator which can secure a large effective storage space regardless of the purifying device disposed inside the refrigerator.
  • the refrigerator according to the present invention is a refrigerator including a main body with thermal insulation properties, a liquid cooling device which cools a liquid introduced to an inside of the main body, and a purifying device which purifies a liquid
  • the refrigerator includes a plate which partitions the inside of the main body in a vertical direction, wherein the purifying device is disposed at an upper part of a storage space located below the plate.
  • the purifying device is disposed just below the plate that is a storage space inside of the refrigerator but tends to be unused. Thus, it is possible to avoid wasting an effective storage space for the purifying device.
  • storage items are piled up from a bottom in the storage space and storage items are usually not piled up to an upper part of the storage space.
  • the purifying device disposed in the upper part of the storage space does not affect much an amount of storage items to be stored.
  • the purifying device include: a connecting portion interposed in a liquid path that is a path for a liquid in the liquid cooling device; and a filter assembly which is attachable to and detachable from the connecting portion by moving the filter assembly forward or backward with respect to the refrigerator, the filter assembly including a function of purifying a liquid.
  • the plate include: a maintenance opening through which the filter assembly can be passed to allow the filter assembly to be attached to and detached from the connecting portion from above the plate; and a lid which closes the maintenance opening.
  • filter assembly can be replaced without bending down, allowing the filter assembly to be replaced easily. Further, since the maintenance opening is usually closed by the lid, it is possible to place storage items on the part where maintenance opening is provided.
  • the refrigerator include a drawer which has an upper opening closed by the plate to block an entry of cool air from above the plate, the drawer being disposed in a space below the plate.
  • an upper part of the drawer is usually not filled with storage items.
  • the purifying device at the upper part of the drawer, it is possible to use the storage space effectively.
  • the plate hold the purifying device.
  • the connecting portion is suspended from the plate.
  • the filter assembly can be attached to and detached from the connecting portion just by moving the filter assembly forward or backward with respect to the plate. Thus, it is easy to replace the filter assembly.
  • the purifying device include a housing which is suspended from the plate.
  • the liquid cooling apparatus include a valve device which is disposed on an outer side of a back part of the main body and controls a flow of a liquid, and the valve device and the purifying device are disposed at a substantially same height.
  • a purifying device is disposed in the storage space without wasting an effective storage space.
  • FIG. 1 is a perspective view showing an external appearance of a refrigerator.
  • a refrigerator 100 is an apparatus for chilling or freezing and preserving a storage item placed inside, and includes a main body 150, a first door 111, a second door 121, a third door 112, a through hole 113, and a fourth door 122.
  • the refrigerator 100 is a rectangular box-shaped body whose height is largest of height, width, and depth.
  • the first door 111 is a door which covers the opening on the right when facing the main body 150, with flexibility in opening and closing.
  • the first door 111 is attached to the main body 150 using a hinge (not shown) so as to turn back and forth centering on a vertical axis that extends in an anterior portion of the right-side wall of the main body 150.
  • the first door 111 is in the form of a rectangle which is long in the vertical direction, and disposed so as to extend from top to bottom of the refrigerator 100, with the above axis extending along the right-edge rim of the first door 111.
  • the second door 121 is a door which covers the opening on the left when facing the main body 150, with flexibility in opening and closing.
  • the second door 121 is attached to the main body 150 using a hinge (not shown) so as to turn back and forth centering on a vertical axis that extends in an anterior portion of the left-side wall of the main body 150.
  • the second door 121 is in the form of a rectangle which is long in the vertical direction, and disposed so as to extend from top to bottom of the refrigerator 100, with the above axis extending along the left-edge rim of the second door 121.
  • the through hole 113 is a hole penetrating through the first door 111 in the thickness direction.
  • the through hole 113 is a hole through which a storage item stored behind the first door 111 is taken out or through which a storage item is put for storage behind the first door 111, without opening the first door 111.
  • the third door 112 is a door which covers the through hole 113 with flexibility in opening and closing.
  • the third door 112 is attached to the first door 111 using a hinge (not shown) so as to turn back and forth centering on a horizontal axis that extends at the lower end of the through hole 113.
  • the third door 112 is square in shape as viewed from the front (round-cornered), with the above axis extending along the lower-end rim of the third door 112.
  • the fourth door 122 is a door that opens and closes at a supply opening 123 of a dispenser.
  • the dispenser supplies drink such as water that is cooled by an after-mentioned liquid cooling device and ice or the like.
  • FIG. 2 is a perspective view showing an external appearance of the refrigerator with the first door and the second door open.
  • FIG. 2 shows also a storage item A stored in the refrigerator 100.
  • the refrigerator 100 includes a first body 151, a second body 152, and an outer case 156.
  • the first body 151 is a vertically-long heat-insulating body having an opening in the front face and defining a refrigerator compartment.
  • the first body 151 is disposed on the right in the refrigerator 100 so as to extend entirely from top to bottom of the refrigerator 100.
  • the refrigerator compartment is a compartment having a temperature inside maintained in the temperature range of no lower than 0 degree C.
  • the second body 152 is a vertically-long heat-insulating body having an opening in the front face and defining a freezer compartment.
  • the second body 152 is disposed on the left in the refrigerator 100 so as to extend entirely from top to bottom of the refrigerator 100.
  • the freezer compartment is a compartment having a lower temperature than a temperature of the refrigerator compartment, maintained at around minus 18 degrees C, and storing a storage item such as a frozen food.
  • the outer case 156 is a metal plate covering the first body 151 and the second body 152 which are arranged next to each other in the horizontal direction.
  • the main body 150 in this embodiment is manufactured as follows. That is, each of the refrigerator compartment and the freezer compartment separated by a partition 153 is independently manufactured with resin in solid casting. Outside the inner case 157, the outer case 156 is disposed so as to cover the inner case 157 with a predetermined gap between the outer case 156 and the inner case 157. Inside the partition 153, there is also a gap which is communicated with the gap located between the outer case 156 and the inner case 157. Into the gap located between the outer case 156 and the inner case 157 and into the gap of the partition 153, rigid urethane foams or the like are injected and foamed to serve as a heat insulating material, for example. Thus, the main body 150 is manufactured.
  • the wall between the first body 151 and the second body 152 is inseparable, which means that the first body 151 and the second body 152 share the partition 153 as a wall part.
  • FIG. 3 is a perspective view showing a lower part of the first body.
  • the first body 151 includes a plate 172 and, below the plate 172, a drawer 170. Furthermore, the first body 151 includes, above the plate 172, a second drawer 117.
  • the plate 172 is a plate-shaped member that partitions an inside of the first body 151, which is a part of the main body 150, in a vertical direction.
  • the plate 172 closes an upper opening of the drawer 170, and thus prevents a cool air flow that is present above the plate 172 from directly flowing into an inside of the drawer 170.
  • the plate 172 is a member provided to span across both side walls of the first body 151, and which permanently partitions the first body 151 into an upper space and a lower space.
  • the plate 172 includes a flap 176 in a front.
  • the flap 176 is a movable member which is provided in the front part of the plate 172 so as to extend in an entire width direction of the plate 172.
  • the flap 176 is a member that rotates to allow a front part of the flap 176 to swing upwardly when the drawer 170 is pulled out. With this, storage items can be easily taken out and put in even when the drawer 170 is pulled out only a little.
  • the flap 176 is formed by transparent resin, and thus the storage items in the drawer 170 can be seen through from above the drawer 170.
  • the drawer 170 is a box-like member having an upper opening closed by the plate 172 when inserted in a space below the plate 172.
  • the drawer 170 is detachable from the main body 150. With the plate 172, the cool air does not enter into the drawer 170 from the above. Thus the items stored in the drawer 170 are not directly exposed to the cool air that circulates inside the first body 151. Furthermore, it is possible to maintain humidity inside the drawer 170.
  • the drawer 170 is suitable for storing vegetables and fruits raw, and sometimes referred to as a vegetable compartment.
  • the drawer 170 is formed by transparent (translucent) resin. In this way, it is possible to increase visibility of items stored in the drawer 170.
  • FIG. 4 is a cut-out perspective view showing a storage space below the plate.
  • a purifying device 103 is disposed at the upper part of the storage space located below the plate 172.
  • the purifying device 103 includes a filter assembly 131, a connecting portion 132, and a housing 105.
  • the plate 172 includes a maintenance opening 173 to which a lid 104 is provided.
  • the purifying device 103 is a device which purifies water introduced to inside of the main body 150.
  • This embodiment employs, as the purifying device 103, a device which filters water with a bundle of hollow fibers and absorbs impurities by letting water flow through activated carbon.
  • the connecting portion 132 is equipment interposed in a liquid path 141 which is a path for water in a liquid cooling device (described later).
  • the connecting portion 132 includes a function of introducing water that passes through the liquid path 141 into the filter assembly 131, and introducing the water that has been purified by passing through the filter assembly 131 back to the liquid path 141.
  • the connecting portion 132 is attached, via a mounting bracket 133 that includes a tilting mechanism using a hinge, to the housing 105. With this, the connecting portion 132 is attached such that the connecting portion 132 is suspended from the plate 172 via the mounting bracket 133.
  • the filter assembly 131 is equipment which includes a function of purifying water.
  • the filter assembly 131 includes the bundle of hollow fibers for filtering water and the activated carbon for absorbing impurities included in water.
  • the filter assembly 131 is attachable to and detachable from the connecting portion 132 by moving the filter assembly forward or backward with respect to the refrigerator 100. Note that, after the filter assembly 131 is inserted to the connecting portion 132, the filter assembly 131 is rotated with respect to the connecting portion 132 so that a thread provided in the filter assembly 131 and a thread provided in the connecting portion 132 are engaged. Thus, the filter assembly 131 is fixed to the connecting portion 132.
  • the housing 105 is a box-like member which is attached such that the housing 105 is suspended from the plate 172.
  • the housing 105 is in a form that can surround the filter assembly 131 and the connecting portion 132.
  • An upper part of the housing 105 is open.
  • the housing 105 prevents the storage items stored in the drawer 170 from directly hitting and impacting the filter assembly 131 and the connecting portion 132 when the drawer 170 is being pulled out or inserted.
  • the connecting portion 132 is attached to the housing 105 via the mounting bracket 133.
  • the filter assembly 131 is attached to the connecting portion 132.
  • the mounting bracket 133 is axially supported by the housing 105 with a mounting shaft 135 in a manner that allows tilting.
  • the filter assembly 131 is attached to the housing 105 such that the filter assembly 131 can tilt together with the mounting bracket 133 centering the mounting shaft 135.
  • FIG. 5 is a perspective view showing, from above, the plate with the lid removed.
  • the maintenance opening 173 is a hole that runs through the plate 172 and is in a size through which the filter assembly 131 can be passed. Through the maintenance opening 173, the filter assembly 131 is attachable to and detachable from the connecting portion 132 from above the plate 172.
  • the lid 104 fits into the maintenance opening 173 to be flush with the plate 172.
  • FIG. 6 is a perspective view showing how the filter assembly is attached and detached.
  • the filter assembly 131 can be easily attached to and detached from the connecting portion 132 by moving the filter assembly 131 in the direction indicated by an arrow.
  • the purifying device 103 is attached such that the purifying device 103 is suspended from the plate 172.
  • the purifying device 103 is disposed without affecting much the storage space inside the drawer 170.
  • the maintenance opening 173 is provided in the plate 172, the filter assembly 131 can be replaced from above the plate 172.
  • the maintenance opening 173 is usually closed by the lid 104.
  • FIG. 7 is a perspective view showing a valve device.
  • a valve device 142 shown in the figure is a device which controls a flow of water introduced to an inside of the refrigerator 100, and is attached to an outer side of a back part of the main body 150.
  • the valve device 142 includes: a gate valve 143 which is connected to a water pipe and can select whether or not to introduce water from the water pipe; and a three way valve 144 which can determine whether to let the introduced water to flow in a path for cooling or in a path for producing ice.
  • the three way valve 144 includes an electric component 144a which is placed on the three way valve 144 and controls a flow path.
  • a cover member 148 that is larger than a projected area of the three way valve 144 is disposed.
  • FIG. 8 is a diagram schematically showing a positional relationship in terms of height between the purifying device and the valve device; (a) shows a lateral view and (b) shows a top view.
  • valve device 142 and the purifying device 103 are disposed at the substantially same height. With this, even in a state where the filter assembly 131 is detached from the connecting portion 132, it possible to suppress water that remains in the liquid path 141 from spilling out from the connecting portion 132. Furthermore, in this embodiment, as shown in (b) in the figure, a position of the valve device 142 and the purifying device 103 in the horizontal direction is also substantially the same. With this, a length of the liquid path 141 penetrating the main body 150 is short, and thus it is possible to suppress a deterioration of thermal insulation properties of the main body 150.
  • FIG. 9 is a diagram schematically showing the liquid cooling device.
  • a liquid cooling device 140 includes a tank 145 and an ice maker 146.
  • the water supplied from a water pipe W is, via the gate valve 143 located outside the refrigerator 100, supplied to the purifying device 103 located inside the refrigerator 100.
  • the water purified by the purifying device 103 is introduced to the outside of the refrigerator 100 and supplied to the three way valve 144.
  • a path of water is selected by the three way valve 144 and, for example, water flows through the liquid path 141 and supplied to the ice maker 146.
  • the ice maker 146 transforms water purified by the purifying device 103 into ice and stores the ice.
  • the stored ice can be arbitrarily taken out from the supply opening 123.
  • water flows through the liquid path 147 and supplied to the tank 145.
  • the tank 145 is a member which stores the water purified by the purifying device 103.
  • the stored water can be arbitrarily taken out from the supply opening 123.
  • FIG. 10 is a perspective view showing a state in which the drawer is removed to show the tank.
  • the tank 145 is a container which has a meandering shape and thin thickness, and is disposed behind the drawer 170 inside of the main body 150.
  • the cool air that flows avoiding the drawer 170 hits the tank 145 directly.
  • the tank 145 does not affect capacity of the storage space so much.
  • the tank 145 is in the meandering shape such that stagnation of water is suppressed and the cooled water is sequentially supplied.
  • a path of the liquid path 141 which connects the tank 145 to the ice maker 146 and the supply opening 123 be selected to be short by allowing the liquid path 141 to be taken from an inside of the main body 150 to an outside, to pass the outside of the refrigerator 100 to be inserted to the hinge of the second door 121. In this way, it is possible to prevent, as much as possible, the water from freezing in the liquid path 141 and clogging the liquid path 141.
  • the tank 145 may be disposed at the bottom of the first body 151, that is, below the drawer 170 as shown in FIG. 11 . In this way, it is possible to further increase a dimension of depth of the drawer 170 to increase the storage space.
  • FIG. 12 is a plan view showing, from main body side, a lower part of the first door.
  • the purifying device 103 is disposed at the lower part of the first door 111. Furthermore, the purifying device 103 may be covered by the housing 105. With this, the filter assembly 131 can be replaced easily in a comfortable posture without opening the drawer 170.
  • the present invention is applicable to refrigerators, and particularly to a refrigerator which supplies ice and cold water and includes a plate which partitions storage space in a vertical direction.

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)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP10748525.2A 2009-03-05 2010-03-04 Kühlschrank Not-in-force EP2405220B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009052425A JP2010203734A (ja) 2009-03-05 2009-03-05 冷蔵庫
PCT/JP2010/001494 WO2010100926A1 (ja) 2009-03-05 2010-03-04 冷蔵庫

Publications (3)

Publication Number Publication Date
EP2405220A1 true EP2405220A1 (de) 2012-01-11
EP2405220A4 EP2405220A4 (de) 2016-09-14
EP2405220B1 EP2405220B1 (de) 2017-12-06

Family

ID=42709492

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10748525.2A Not-in-force EP2405220B1 (de) 2009-03-05 2010-03-04 Kühlschrank

Country Status (5)

Country Link
US (1) US20110314859A1 (de)
EP (1) EP2405220B1 (de)
JP (1) JP2010203734A (de)
CN (1) CN102341667A (de)
WO (1) WO2010100926A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180008917A1 (en) * 2016-07-08 2018-01-11 Bsh Hausgeraete Gmbh Water filter assembly and refrigeration appliance equipped therewith
EP3532784A4 (de) * 2016-11-30 2019-10-23 Samsung Electronics Co., Ltd. Kühlschrank

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9353981B2 (en) * 2013-01-21 2016-05-31 Whirlpool Corporation Ice maker
CN105008833B (zh) 2013-04-23 2019-07-09 Lg电子株式会社 冰箱及其控制方法

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180008917A1 (en) * 2016-07-08 2018-01-11 Bsh Hausgeraete Gmbh Water filter assembly and refrigeration appliance equipped therewith
EP3532784A4 (de) * 2016-11-30 2019-10-23 Samsung Electronics Co., Ltd. Kühlschrank
US10718563B2 (en) 2016-11-30 2020-07-21 Samsung Electronics Co., Ltd. Refrigerator

Also Published As

Publication number Publication date
US20110314859A1 (en) 2011-12-29
CN102341667A (zh) 2012-02-01
WO2010100926A1 (ja) 2010-09-10
EP2405220A4 (de) 2016-09-14
EP2405220B1 (de) 2017-12-06
JP2010203734A (ja) 2010-09-16

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