EP3447418A1 - Appareil de réfrigération et/ou de congélation - Google Patents

Appareil de réfrigération et/ou de congélation Download PDF

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Publication number
EP3447418A1
EP3447418A1 EP18189892.5A EP18189892A EP3447418A1 EP 3447418 A1 EP3447418 A1 EP 3447418A1 EP 18189892 A EP18189892 A EP 18189892A EP 3447418 A1 EP3447418 A1 EP 3447418A1
Authority
EP
European Patent Office
Prior art keywords
device housing
floor
ceiling
cooling
insulation
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
EP18189892.5A
Other languages
German (de)
English (en)
Other versions
EP3447418B1 (fr
Inventor
Volker Friedmann
Michael Schick
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.)
Liebherr Hausgeraete Ochsenhausen GmbH
Original Assignee
Liebherr Hausgeraete Ochsenhausen GmbH
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
Priority claimed from DE102017127472.3A external-priority patent/DE102017127472A1/de
Application filed by Liebherr Hausgeraete Ochsenhausen GmbH filed Critical Liebherr Hausgeraete Ochsenhausen GmbH
Publication of EP3447418A1 publication Critical patent/EP3447418A1/fr
Application granted granted Critical
Publication of EP3447418B1 publication Critical patent/EP3447418B1/fr
Active 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
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F25D23/063—Walls defining a cabinet formed by an assembly of panels
    • 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
    • F25D23/006—General constructional features for mounting refrigerating machinery components
    • 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
    • F25D23/06—Walls
    • F25D23/061—Walls with conduit 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/066—Liners
    • 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
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/068—Arrangements for circulating fluids through the insulating material
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/40—Refrigerating devices characterised by electrical wiring

Definitions

  • the present invention relates to a refrigerator and / or freezer with a device housing in which a cooled interior is located.
  • Refrigerators and / or freezers known in the art include a device housing, i. a body in which a cooled interior for receiving the refrigerated or frozen goods is arranged, which can be closed by a door or by another closure element.
  • the interior is limited by an inner container and by the inside of the closure element.
  • a heat insulation to keep the entry of heat from the environment in the cooled interior as low as possible. This heat insulation is usually designed as foaming.
  • vacuum insulation panels or the use of a full vacuum insulation are also known.
  • a full vacuum insulation is characterized by a gas-tight film which surrounds a space which is filled, for example, with a powdery or granular support material and in which there is a vacuum.
  • the present invention has the object of developing a refrigerator and / or freezer of the type mentioned in such a way that its production is made more flexible compared to known devices.
  • the device housing is modular and that at least one module of the device housing is designed with a full vacuum insulation or consists of a full vacuum insulation.
  • the present invention is therefore based on the idea to construct the device housing from at least two, preferably from more than two modules, wherein at least one of these modules is formed with a full vacuum insulation or consists of this.
  • the device housing thus consists of several modules that are assembled and connected together in a suitable manner.
  • not all the device housing forming modules are designed with a full vacuum insulation, but have a different type of thermal insulation, preferably a foaming on. This may for example be the case for the ceiling and / or the bottom of the device housing.
  • the module or modules executed with a full vacuum insulation preferably represent less than 90% of the housing surface.
  • the executed with the full vacuum insulation or consisting of this existing module is not flat, but three-dimensional and preferably has a U-shaped configuration.
  • each surface eg rear wall, side wall, etc.
  • a module may already have or extend over a plurality of walls (or parts thereof) of the device housing, such as the ceiling, the floor and the rear wall or the two side walls and the back wall, etc.
  • multi-dimensional modules can be assembled with other modules to a total housing.
  • the module constructed with or consisting of the full vacuum insulation may extend over the rear wall and two side walls, over the ceiling and two side walls, or over the floor and two side walls.
  • the module or modules can be designed in different heights, depths and / or widths, so that different model variants can be created. Also several similar modules can be arranged directly or indirectly (separated by an intermediate floor) on top of each other in order to produce different device heights can.
  • the device housing preferably has on the inside a e.g. Plastic inner container, which limits the cooled interior.
  • the inner container may for example consist of polystyrene.
  • the outside of the device housing is preferably formed by an outer shell made of sheet metal.
  • the sheet may be pre-painted and / or be bent over at its top and bottom or at the top and bottom or at the edges have bends.
  • the side wall and the rear wall may be locked together.
  • the outer shell can be made in one or more parts.
  • the outer shell may be locked to the inner container.
  • the connection can be achieved by interlocking parts and / or by a bond.
  • the outer shell may be connected to the floor and / or to the ceiling e.g. be connected by means of a Z-profile or other profile or by a preferably concealed screw.
  • the floor and / or the ceiling of the device housing may be connected to the respective adjacent to the floor or to the ceiling module by locking, screwing or gluing.
  • the ceiling can be designed so that it is intended as a unitary part for all types of equipment. This applies to the soil accordingly.
  • the ceiling and / or the floor can be heat-insulated by a foaming, preferably by PU foam and have no vacuum insulation.
  • a vacuum insulation e.g. by means of a vacuum molding, in the ceiling and / or in the floor possible and encompassed by the invention.
  • the ceiling and / or the floor and / or an intermediate floor can be designed so that it covers cut edges of the outer shell of the main insulation.
  • the outer shell is preferably designed as a sheet or pre-painted sheet.
  • the main insulating body has or extends over the two side walls and the rear wall.
  • the ceiling and / or the floor can be closed by positive locking, such as be connected by detents, and / or by screws, gluing, etc. with the aforementioned Hauptdämm stresses. It is conceivable, for example, a positive connection with an existing on the main body Z-profile. This applies to an intermediate floor accordingly.
  • the storage for example, bearing block, door hinge, etc.
  • the storage for example, bearing block, door hinge, etc.
  • the refrigeration technology preferably comprises the refrigerant circuit comprising the compressor, condenser, throttle element and evaporator.
  • the electronics preferably comprise the control of the device and possibly other elements such as e.g. the sensors and / or display and / or controls.
  • the floor is arranged so that it separates the cooled interior space in which the evaporator is arranged from the outside space in which the compressor and the condenser are located.
  • the full vacuum insulation preferably comprises a film tube or another film, which / is made of a film web and in which the longitudinal seam and the ends are gas-tight welded.
  • the gas-tight film of full vacuum insulation comprises a space in which a support material is located, such as perlite, glass fiber, rock wool or silica.
  • a support material such as perlite, glass fiber, rock wool or silica.
  • the shaping is preferably carried out by compression in the longitudinal and transverse directions.
  • the full-vacuum insulating body is preferably gas-tightly sealed at its ends, so that a space which is enclosed in a gas-tight manner by the film is formed which is filled with the supporting material.
  • There is vacuum in the room which can be generated by a vacuum pump or the like, which is connected via a connection to the rear wall or ceiling or floor of the inner container.
  • the one or more Fullvakuumdämm stresses are located in the device housing between the outer wall and the inner container.
  • no further insulation material e.g. a foaming provided, although this invention is not excluded, but is also encompassed by the invention.
  • a multi-dimensional module e.g. in the case of a U-shaped module
  • the modules of the device housing can be manufactured in a continuous process.
  • elements of different sizes such as e.g. be manufactured with different heights to cover all device sizes in the modular principle.
  • an insulation preferably a foaming, wherein electrical lines and / or refrigerant lines or lines of the refrigerant circuit of the device in the insulation of the floor and necessary line excess lengths are also arranged in the insulation.
  • the refrigerant suction line that runs between the evaporator and the compressor has a minimum length that is greater than the distance from the evaporator to the compressor.
  • This excess length ie this necessary excess length, can be foamed in the insulation of the soil. The problem of condensate formation is mitigated in this way.
  • FIG. 1 are the reference numeral 10 and 60, the ceiling and the bottom of the body, ie the device housing shown.
  • the ceiling 10 and the bottom 60 each consist of a module which is provided with a foam and on the outside of an outer shell made of sheet metal and on the inside have a plastic cladding.
  • the reference numeral 20 designates another module which is a full vacuum insulating body. This includes a gas-tight film, the one Surrounds space that is filled with a powdered or granular support material and is evacuated.
  • the module 20 is U-shaped and has a rear wall and two side walls.
  • Reference numeral 40 denotes a horizontal partition plate as a further module, which is arranged between two U-shaped modules 20 and which, like the floor and the ceiling, has foaming and is provided on the top and bottom with a plastic covering.
  • the reference numeral 30 identifies the likewise U-shaped running inner container sections, which are made of plastic and limit together with the partition plate 40 and the bottom 60 and the ceiling 10 and the door, not shown, the cooled interior.
  • the outer shell 50 is made of sheet metal and encloses the back and the sides of the modules 20 and 40.
  • the outer shell is also U-shaped and has at the end of the opposite side walls 52 each extending over the height of their folds 53. 51, the back wall of the outer shell is marked.
  • the floor 60, the ceiling 10 and the intermediate floor 40 each have a flange projecting on the sides and the rear, which is identified by 11, 41 and 61.
  • the modules 20 are connected from above or below with the intermediate bottom 40 and connected at the top with bottom with the ceiling 10 and with the bottom 60 form and / or non-positively and / or cohesively.
  • the adjoining surfaces have profiles.
  • the inner container sections 30 are inserted into the main insulating body 20 and locked, glued, screwed or otherwise connected.
  • the outer shell 50 is pushed, so that the mutual folds 53 surround the front side of the main insulating body 20 and are arranged next to the outwardly projecting and extending over the height of the inner container sections 30 webs 31 of the inner container sections 30, as is apparent from FIG. 2 evident.
  • the main insulating bodies are placed on the flange-like projecting portions 11, 41 and 61 and connected thereto.
  • the dimensioning of the modules takes place in such a way that the outer edges of the modules are flush with one another and the inner sides of the bottom, the ceiling and the intermediate bottom coincide with the inner surface of the inner container sections 30, so that they adjoin one another directly.
  • the surface of the vacuum insulation body comprises less than 90% of the total area of the body.
  • the floor and the ceiling and the intermediate floor are designed as conventional insulating body, only the main insulating body 20 are formed as Vollvakuumdämmelement.
  • the present invention relates not only to cabinet type refrigerators and / or freezers as shown in the figure but also to refrigerators and / or freezers.

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)
EP18189892.5A 2017-08-21 2018-08-21 Appareil de réfrigération et/ou de congélation Active EP3447418B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017119060 2017-08-21
DE102017127472.3A DE102017127472A1 (de) 2017-08-21 2017-11-21 Kühl- und/oder Gefriergerät

Publications (2)

Publication Number Publication Date
EP3447418A1 true EP3447418A1 (fr) 2019-02-27
EP3447418B1 EP3447418B1 (fr) 2021-06-16

Family

ID=63350383

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18189892.5A Active EP3447418B1 (fr) 2017-08-21 2018-08-21 Appareil de réfrigération et/ou de congélation

Country Status (1)

Country Link
EP (1) EP3447418B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021043575A1 (fr) * 2019-09-04 2021-03-11 BSH Hausgeräte GmbH Unité d'appareil frigorifique

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0769667A2 (fr) * 1995-10-19 1997-04-23 AEG Hausgeräte GmbH Appareil de réfrigération et/ou de congélation
DE102011006238A1 (de) * 2011-03-28 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Modularer Gerätekorpus
EP2778582A2 (fr) * 2013-03-15 2014-09-17 Whirlpool Corporation Structure d'isolation sous vide pliée
EP3009775A1 (fr) * 2014-10-16 2016-04-20 Samsung Electronics Co., Ltd. Réfrigérateur

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009053716A1 (de) * 2009-11-04 2011-05-05 Liebherr-Hausgeräte Ochsenhausen GmbH Verfahren zum Betrieb eines Kühl- und/oder Gefriergeräts
KR20170016188A (ko) * 2015-08-03 2017-02-13 엘지전자 주식회사 진공단열체 및 냉장고

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0769667A2 (fr) * 1995-10-19 1997-04-23 AEG Hausgeräte GmbH Appareil de réfrigération et/ou de congélation
DE102011006238A1 (de) * 2011-03-28 2012-10-04 BSH Bosch und Siemens Hausgeräte GmbH Modularer Gerätekorpus
EP2778582A2 (fr) * 2013-03-15 2014-09-17 Whirlpool Corporation Structure d'isolation sous vide pliée
EP3009775A1 (fr) * 2014-10-16 2016-04-20 Samsung Electronics Co., Ltd. Réfrigérateur

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021043575A1 (fr) * 2019-09-04 2021-03-11 BSH Hausgeräte GmbH Unité d'appareil frigorifique
CN114341577A (zh) * 2019-09-04 2022-04-12 Bsh家用电器有限公司 制冷器具设备
US20220341656A1 (en) * 2019-09-04 2022-10-27 BSH Hausgeräte GmbH Refrigeration appliance device

Also Published As

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EP3447418B1 (fr) 2021-06-16

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