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
  • F25D23/06—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
  • F25D23/062—Walls defining a cabinet
• • 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
  • F25D2201/12—Insulation with respect to heat using an insulating packing material
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
  • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

• the invention relates to a refrigerator device according to claim 1, a refrigerator and / or freezer device according to claim 13, a modular system according to claim 14 and a method for producing a refrigerator device according to claim 15.
• the object of the invention is in particular to provide a device of the generic type with improved properties with regard to efficiency, in particular production efficiency.
• the object is achieved according to the invention by the features of claims 1, 13, 14 and 15, while advantageous configurations and developments of the invention can be found in the subclaims.
• a refrigeration device in particular a household refrigeration device, with at least one inner container, which forms a storage space for items to be cooled, for example food, and which consists of at least a first inner container part and at least a second inner container part adjacent to the first inner container part and formed separately from the first inner container part is composed, wherein in particular either the first inner container part and the second inner container part are also associated with an inner container box of the inner container or the first inner container part and the second inner container part are also associated with an inner container lid of the inner container, and in particular the first inner container part and the second inner container part in a fixed position relative to one another are connected, and with at least one prefabricated, in particular at least substantially plate-like, thermal insulation element, wel Ches is attached to at least one side of the inner container facing away from the storage room, is proposed.
• Such a configuration can in particular achieve a high level of efficiency.
• a simple production and / or assembly can advantageously be made possible, which in particular is free of complex foaming processes for cavities and / or complex deep-drawing processes.
• a manufacturing process can advantageously be significantly simplified, in particular since the aforementioned processes are foaming and / or deep-drawing, which are advantageously dispensed with can require a high level of specialist knowledge.
• new tools are required for deep drawing and / or foaming, which can lead to high system costs which can advantageously be reduced by the proposed design.
• foaming systems have a relatively high space requirement, which can advantageously be reduced by assembling prefabricated, supplied insulation elements.
• a production speed can advantageously be increased compared to time-consuming foaming processes.
• a production quantity can advantageously be flexibly adapted by being independent of complex systems, such as deep-drawing and / or foaming systems, for example.
• the number of pieces produced is independent of a number of currently available deep-drawing and / or foaming systems, whereby a supply chain can advantageously be redesigned, made more flexible and / or optimized.
• the proposed embodiment can advantageously increase efficiency in that preparatory measures, which are necessary, for example, before a foaming process, such as (manual) sealing and / or preheating of the inner container, can be dispensed with.
• the sustainability of production and recycling at the end of a life cycle can advantageously be increased, in particular in that individual parts of the refrigeration appliance device, in particular in contrast to foamed refrigerator insulation, can easily be separated again.
• the proposed refrigeration device device can create a particularly advantageous modularity, in particular with all the advantages associated therewith.
• a “refrigerator device”, in particular a “household refrigerator device”, should be understood to mean in particular at least a part, in particular a subassembly, of a refrigerator, in particular a household refrigerator.
• a household appliance designed as a household refrigerator is provided to cool goods to be cooled, in particular food such as drinks, meat, fish, milk and / or dairy products, in the at least one operating state, in particular to ensure a longer shelf life of the goods to be cooled.
• the household appliance designed as a household refrigerator can in particular be a freezer and advantageously a refrigerator and / or freezer.
• a refrigeration device having the refrigeration device device could, for example alternatively be designed as an industrial refrigeration device, for example for cooling chemicals, production materials or the like, or as a commercial refrigeration device for gastronomy or retail, for example for cooling sales goods or the like. It is also conceivable that the refrigeration device having the refrigeration device is used in medical facilities, for example for cooling drugs or biological material such as blood reserves, etc.
• an “inner container” is to be understood as meaning, in particular, a container that delimits the storage space of a refrigeration device at least on five sides, preferably on six sides.
• the inner container comprises an, in particular tub-shaped and / or box-shaped, inner container box.
• the inner container comprises an inner container lid.
• the inner container can be closed at least on one side by the inner container lid, which preferably forms part of a refrigerator door.
• the inner container is made in particular from a metal, preferably from a plastic.
• the inner container is in particular manufactured at least to a large extent by means of a deep-drawing process, by means of a 3D printing process, by means of a sheet metal bending process or preferably by means of an injection molding process.
• a “major part” should be understood to mean in particular at least 51%, preferably at least 66%, preferably at least 80% and particularly preferably at least 95%.
• the storage room can in particular be divided into several sub-storage rooms, which can be cooled to different temperatures, for example.
• the storage room or at least a partial storage room can in particular form a cooling compartment or a freezing compartment of a refrigeration device.
• the inner container in particular the inner container box and / or the inner container lid, is in particular composed of at least a plurality of inner container parts formed separately from one another, in particular at least from the first inner container part and the second inner container part.
• a high level of efficiency can advantageously be achieved, in particular in that production, handling and delivery can be simplified.
• the first inner container part and the second inner container part each form a part of the inner container box, in particular the inner container body, which are in particular formed separately from further inner container parts of the inner container lid.
• the inner container box formed differently and / or separately from the inner container lid.
• the inner container box is not part of a door of the refrigerator and / or freezer, in particular the refrigerator door.
• the inner container in particular the inner container box and / or the inner container lid, is composed of more than two inner container parts, in particular inner container box parts and / or inner container lid parts, for example from three, four, five or more inner container parts.
• the inner container parts are in particular connected to one another in such a way that they, in particular apart from small joints, completely enclose the storage space on at least five sides, preferably on six sides.
• the inner container parts, in particular the inner container box parts and / or the inner container lid parts are arranged vertically one above the other in an installation direction of the refrigeration device, in particular the refrigeration device.
• the inner container parts in particular the inner container box parts and / or the inner container lid parts, can be arranged horizontally next to one another in the installation direction of the refrigeration device, in particular the refrigeration device.
• adjacent inner container parts touch each other in an assembled state of the inner container.
• the inner container parts are connected to one another by means of a material connection, for example by gluing, welding and / or fusing, by means of a force connection, for example by screwing or riveting, and / or preferably by means of a form-fitting connection, for example a latching connection or a plug connection.
• corresponding snap-in elements or corresponding plug-in elements can be integrally formed on the inner container parts.
• the inner container parts can also be connected to one another by a combination of the aforementioned connection options.
• the inner container box is composed of at least a first inner container box part and at least one second inner container box part adjacent to the first inner container box part and formed separately from the first inner container box part.
• each of the inner container box parts comprises at least one rear wall and two side walls.
• each of the inner container box parts forms at least part of a rear wall of the inner container, part of a left-hand side wall of the inner container and one Part of a right side wall of the inner container.
• a prefabricated, in particular at least essentially plate-like, thermal insulation element is preferably attached to at least one side of the inner container box facing away from the storage space.
• the inner container lid is composed of at least a first inner container lid part and at least one second inner container lid part adjacent to the first inner container lid part and formed separately from the first inner container lid part.
• the inner container lid parts are at least substantially flat.
• an “essentially flat” object is to be understood in particular as an object whose surface extension is preferably at least 5 times, preferably at least 10 times, parallel to a largest side surface of a smallest imaginary cuboid that just completely encloses the object is at least 15 times and particularly preferably at least 30 times larger than a surface extension of all side surfaces of the smallest imaginary parallelepiped that are perpendicular to the largest side surface of the smallest imaginary parallelepiped.
• a prefabricated, in particular at least essentially plate-like, thermal insulation element is preferably attached to at least one side of the inner container lid facing away from the storage space.
• a “thermal insulation element” is to be understood in particular as an object which is provided to prevent a flow of heat as much as possible.
• One advantage of the invention is, in particular, that a wide range of insulation materials, in particular with different thermal conductivities, can be installed, for example expanded polystyrene, polyurethane or vacuum insulation panels.
• the proposed configuration enables the use of simpler foam systems for the production of insulation elements.
• the requirements for foams used to produce the insulation elements can advantageously be reduced. For example, requirements for functional properties, such as flow behavior, etc., can be reduced in comparison to foaming cavities directly on the device.
• the insulation element has a particularly low thermal conductivity, which preferably below 0.25 W / (m * K), advantageously below 0.1 W / (m * K), preferably below 0.051 W / (m * K) and particularly preferably below 0.025 W / (m * K) lies.
• the insulation element is made at least to a large extent from a plastic, preferably a foam, preferably a hard foam (EPS and / or PU).
• a “prefabricated” object is to be understood in particular as an object which, even before being installed in a device, has at least essentially the same shape as after the installation of the device has been completed. In particular, no significant change in shape and / or physical state is required for assembly of the prefabricated object.
• the insulation element comprises, in particular, at least on one side or on both sides, a carrier element which is formed from paper, felt, metal or plastic or a combination thereof.
• the carrier element can advantageously have a supporting effect on assembly and / or function of the device.
• the prefabricated object is prefabricated in a preceding production step that is independent of assembly.
• the prefabricated insulation element is only delivered for assembly and, in particular, is connected to the inner container without requiring an additional foaming step.
• the prefabricated insulation element is designed differently from a foam cavity which is subsequently produced from a foam starting material, for example polyurethane, in a cavity that is at least partially delimited by the inner container.
• the insulation element is designed differently from an in-situ foam and / or an assembly foam.
• the insulation element preferably has an at least substantially non-adhesive surface.
• a plate-like object is to be understood in particular as an at least substantially flat object, and in particular in this context a “substantially flat” object is to be understood as an object whose surface extension is parallel to the largest side surface of the smallest imaginary cuboid which the object is straight is still completely enclosed, at least 5 times, preferably at least 10 times, preferably at least 20 times and particularly preferably at least 30 times larger than the surface extension of all side surfaces of the smallest imaginary parallelepiped perpendicular to the largest side surface of the smallest imaginary parallelepiped.
• the plate-like object has, in particular, an at least substantially flat surface which can optionally be provided with cutouts, passages and / or depressions, in particular for embedding functional units.
• the plate-like Insulation elements can advantageously be prefabricated, ie their size and / or contour can be adapted to a known size and / or contour of the inner container and / or an outer jacket of the refrigeration device during manufacture.
• different prefabricated insulation elements can have different materials, thicknesses, densities or the like, in particular depending on the respective insulation requirements.
• an insulation element can also encompass at least one corner of the inner container and thus be attached to more than just one side of the inner container.
• the insulation element is provided to fill at least a large part of a space between the inner container and the outer jacket of the refrigeration device.
• the fact that the insulation element is “attached” to the inner container is to be understood in particular as meaning that the insulation element is connected to the inner container in a material, form-fitting and / or force-locking manner.
• the insulation element is fixed in position on the inner container.
• the refrigeration device device is free from a frame unit, which is in particular formed separately from the inner container, the insulation elements and / or the outer jacket and / or stabilizes and / or holds the inner container and / or the insulation elements.
• the refrigeration appliance device itself has a sufficiently high stability, as a result of which it is advantageously possible to dispense with an additional frame unit, which in particular causes costs.
• the refrigeration device is free of additional stabilization elements which are formed separately from the inner container, the insulation elements and / or the outer jacket and which are provided to directly or indirectly support the weight of at least one insulation element and / or at least one inner container part on a substrate and / or the refrigeration device to give an increased stiffness.
• at least a large part of the insulation elements, preferably each insulation element touches at least one further insulation element. “Provided” is to be understood in particular as specifically designed and / or equipped.
• an object is provided for a specific function is to be understood in particular to mean that the object fulfills and / or executes this specific function in at least one application and / or operating state.
• the insulation element can be designed as a stacked insulation element.
• modularity can advantageously be increased further.
• a desired insulation can thereby advantageously be precisely adapted, for example by means of a precise setting of a total thickness of an insulation layer by means of stacked insulation elements.
• a stacked insulation element comprises two or more separately manufactured insulation elements. The individual insulation elements of the stacked insulation element are in particular either combined to form a stack prior to assembly on the inner container or attached to the inner container in layers during assembly.
• the individual insulation elements of the stacked insulation element are in particular formed from identical materials or at least partially from different materials.
• one of the insulation elements of the stacked insulation element, which is arranged on at least one outside of the stacked insulation element, can be formed from an expanded polystyrene (EPS), and a further insulation element of the stacked insulation element, which is arranged in an interior of the stacked insulation element, from a Be formed by polyurethane.
• EPS expanded polystyrene
• polyurethane a further insulation element of the stacked insulation element, which is arranged in an interior of the stacked insulation element, from a Be formed by polyurethane.
• the insulation element is at least positively attached to the inner container.
• a high level of efficiency can advantageously be achieved, in particular in that particularly simple and / or rapid assembly of the insulation elements can be made possible.
• This advantageously makes it possible to dispense with additional, time-consuming work steps such as, for example, applying an adhesive, welding, fusing, screwing and / or riveting.
• the insulation element can advantageously be prevented from sticking to the inner container, so that repair or recycling can be facilitated.
• the insulation element is slipped onto form-fit retaining elements which are designed as sharpened bolts and which penetrate the insulation element in a mounted state in particular.
• “Form-fitting” is to be understood in particular to mean that surfaces lying on one another are form-fitting with one another connected components exert a holding force acting in the normal direction of the surfaces on one another. In particular, the components are in geometric engagement with one another.
• the refrigeration device has at least one prefabricated further thermal insulation element which is fastened, in particular at least positively, to at least one further side of the inner container facing away from the storage space.
• a high level of efficiency can advantageously be achieved, in particular in that the largest possible outer surface of the inner container can be isolated from the outside.
• a high degree of modularity can advantageously be achieved.
• a precise prefabrication of the insulation elements, in particular adaptation of the insulation elements to the inner container can advantageously be made possible.
• the insulation element and the further insulation element preferably with the exception of an outer shape and / or outer contour, are at least substantially identical to one another.
• the insulation element and the further insulation element are designed separately from one another.
• the side is different from the other side.
• the insulation element viewed from a front side of the inner container, is arranged on the bottom, ceiling, rear, door, left and / or right side relative to the inner container.
• the further insulation element viewed from the front of the inner container, is arranged on the bottom, ceiling, rear, door, left and / or right side relative to the inner container.
• the insulation element covers at least the side of the inner container facing away from the storage space, in particular the surface of the side of the inner container, at least to a large extent, a high level of efficiency can advantageously be achieved, in particular in that the largest possible outer surface of the inner container can be isolated from the outside.
• the further insulation element covers at least a large part of the further side of the inner container facing away from the storage space.
• the insulation element is composed of at least one first partial insulation element and at least one second partial insulation element.
• a high level of efficiency can advantageously be achieved, in particular in that the production, handling and delivery of the insulation elements can be simplified due to smaller part sizes.
• a high degree of modularity and / or flexibility can be achieved.
• identical partial insulation elements can advantageously be used for inner containers of different refrigeration devices.
• the insulation element is composed of more than two partial insulation elements, for example of three, four, five or more than five partial insulation elements.
• the partial insulation elements have an at least substantially identical thickness, preferably at least in edge regions. “Essentially identical” should be understood to mean in particular at least 80%, preferably at least 90% and preferably at least 95% identical.
• each additional insulation element can also be assembled from partial insulation elements.
• the partial insulation elements have corresponding edge regions.
• an edge area of the first partial insulation element which is provided for connection to an edge area of the second partial insulation element, is uneven, the unevenness of the two partial insulation elements corresponding to one another.
• the edge regions of the two partial insulation elements have corresponding form-fit elements.
• the corresponding form-fit elements are provided for a puzzle-like connection of the partial insulation elements with one another.
• the form-fit elements are designed in one piece with the respective associated partial insulation elements.
• “In one piece” is to be understood as meaning, in particular, molded in one piece. This one piece is preferably produced from a single blank, a mass and / or a casting, particularly preferably in a foaming, stamping and / or pressing process.
• a shape, in particular a surface shape and / or a contour, of the insulation element and / or the further insulation element on a side of the insulation element and / or the further insulation element facing the inner container at least essentially to an outer shape of the one facing away from the storage space Side of the inner container is adapted.
• This can a particularly high stability of the refrigeration device device and / or a particularly good thermal insulation of the inner container can advantageously be achieved.
• the inner container has areas in which the insulation does not lie tightly against the surface of the inner container facing away from the storage space and can thus be indented and / or indented in areas.
• a divided and injection-molded inner container also has the particular advantage over a deep-drawn inner container that the injection-molded inner container can be designed to be significantly more stable with an identical wall thickness. For example, ribbing of the inner container on the sides of the inner container facing away from the storage space, in particular at neuralgic points, which can be easily implemented by means of the injection molding process, can increase the stability of the inner container.
• the inner container can thereby advantageously form an inherently stable body independently of any insulation elements such as foams, etc. or of metal sheets.
• the insulation element has a corresponding elevation in areas in which the inner container has a depression and a corresponding depression in areas in which the inner container has an elevation, in particular the corresponding elevations and depressions of the insulation element and the inner container being mounted in one Engage state of the refrigeration device in each other.
• the insulation element can form a molding that is adapted to at least a partial area of the inner container.
• a shape, in particular a surface shape and / or a contour, of the further insulation element on a side of the insulation element facing the inner container is at least substantially adapted to an outer shape of the further side of the inner container facing away from the storage space.
• the refrigeration device advantageously offers two-sided flexibility.
• either the insulation elements can be adapted to the inner container or the inner container can be adapted to the insulation elements.
• the refrigeration appliance device has an outer jacket, a shape, in particular a surface shape and / or a contour, of the insulation element and / or the further insulation element on a side of the insulation element and / or the further insulation element facing away from the inner container at least essentially resembles a shape, in particular a surface shape and / or a contour, is adapted to a side of the outer jacket facing the storage space, a particularly high stability of the refrigeration device and / or a particularly good thermal insulation of the inner container can advantageously be achieved.
• a particularly high degree of compactness of the refrigeration device device can advantageously be achieved.
• the outer jacket is made from a metal, for example aluminum or sheet steel.
• the outer jacket is made in one piece, preferably in one piece.
• the outer jacket can also be designed in several parts.
• the outer jacket covers and / or encloses at least the left-hand and right-hand insulation elements and the ceiling-side insulation elements of the refrigeration device.
• the outer jacket also covers and / or encloses the rear-side and / or the bottom-side insulation elements of the refrigeration device.
• the insulation element which is assigned to the inner container lid is covered by a further outer jacket, in particular an outer door jacket, which is embodied separately from the outer jacket. It is also conceivable that the insulation element is attached to the outer jacket in a non-positive, positive and / or cohesive manner. Alternatively, the outer jacket is only loosely in contact with the insulation elements.
• the refrigeration device has a functional unit, for example a condenser line, a cable, a vacuum insulation panel, an electronics unit or the like, which is arranged on a side facing away from the inner container or on the insulation element and / or the further insulation element, which has at least one shape , in particular a surface shape, a contour and / or a recess, which is at least substantially adapted to a shape, in particular surface shape and / or contour, of the functional unit.
• a functional unit for example a condenser line, a cable, a vacuum insulation panel, an electronics unit or the like, which is arranged on a side facing away from the inner container or on the insulation element and / or the further insulation element, which has at least one shape , in particular a surface shape, a contour and / or a recess, which is at least substantially adapted to a shape, in particular surface shape and / or contour, of the functional unit.
• a “functional unit” is to be understood in particular as a component which fulfills at least one, in particular technical, function within the refrigeration device to which the refrigeration device device is assigned.
• the functional unit can be fixed directly to the inner container or directly to the outer jacket.
• the insulation element and / or the further insulation element be at least partially formed from an expanded polystyrene (EPS), in particular pressed into a molding.
• EPS expanded polystyrene
• the insulation element is sawn, milled or cast into a molding.
• the insulation element is at least partially formed from a polyurethane foam, in particular processed into a molding, or from a polyvinyl chloride foam.
• the inner container parts are advantageously designed as one-piece injection-molded parts, whereby in particular a particularly high level of efficiency, in particular production efficiency, can be achieved. Compared to deep-drawn inner container parts, complex and cost-intensive deep-drawing systems and / or extruder systems can be dispensed with.
• an injection molding system that is usually already present, for example for the production of separating elements, shelves, for example eggshells, and / or covers, for example ventilation grids, which are then installed in a deep-drawn inner container, can advantageously be used to manufacture the entire inner container.
• a modification and / or optimization of an inner container part, in particular a shape of the inner container part can be carried out in an advantageously simple manner. In this way, a high degree of design freedom can advantageously be made possible, as a result of which, for example, low-cost individualized small series can be realized.
• a wider range of suppliers can advantageously be obtained, since injection molding is a more widespread technique than deep-drawing, which in particular reduces production costs.
• the combination of injection-molded inner container parts and prefabricated insulation elements can significantly simplify production.
• the requirements placed on the system technology can be significantly reduced, as a result of which For example, the construction and commissioning of a new production facility can be significantly accelerated and simplified.
• the inner container has at least one inner edge on at least one side facing the storage room, the edge radius of which is less than 10 mm, preferably less than 5 mm, advantageously less than 3 mm, particularly advantageously less than 1.5 mm , is preferably smaller than 0.51 mm and particularly preferably smaller than 0.3 mm.
• design leeway can advantageously be further increased, which in particular opens up new technical possibilities. For example, this can advantageously reduce a distance between receiving rails for shelves for chilled goods.
• the inner container can thereby advantageously be designed much more precisely, more distinctive and more versatile.
• An “edge radius” is to be understood in particular as a, preferably the smallest, radius of curvature of an edge, in particular a curvature of an inner surface of the inner container.
• a refrigerator and / or freezer with the refrigeration device is proposed, which in particular can be manufactured, repaired and / or recycled much more efficiently than a comparable refrigerator and / or freezer with foam-filled cavities and / or deep-drawn inner containers.
• a modular system for manufacturing the refrigeration device is proposed, with at least one set of insulation elements with different insulation properties, in particular with different shapes, with different thicknesses, made of different materials and / or with different densities and with at least one set of inner container parts, which are provided for this purpose are to be assembled to form an inner container and to be connected to at least one of the insulation elements, wherein in particular the inner container parts can be assembled in such a way that a plurality of different inner containers can be formed by combinations of the inner container parts.
• high flexibility and / or high efficiency can advantageously be achieved, in particular that a large number of different models of refrigeration devices with different refrigeration devices, ie for example with differently shaped or differently spacious inner containers or with differently thick insulation, can be produced with minimal effort.
• a “set” of objects should in particular be understood to mean a plurality of objects of the same type, which have different characteristic features, for example different sizes, different thicknesses, different materials, slightly different shapes, different colors or the like.
• the objects of one set can advantageously be combined with one another in several different ways and / or combined in several different ways with objects of another set and thereby form a plurality of different but similar combined objects, in particular inner containers and / or insulation elements.
• each inner container part is assigned at least one suitable insulation element, in particular designed as an adapted molding.
• a method for producing the refrigeration device is proposed, in particular using the modular system, wherein at least one thermal insulation element, in particular as a molding, is prefabricated, at least two inner container parts are joined together to form an inner container, and the insulation element is attached to the side of the inner container facing away from the storage room becomes.
• This method can advantageously achieve a high level of efficiency, in particular production efficiency.
• the method for manufacturing the refrigeration appliance device in particular the manufacturing process for the inner container, is at least essentially free of method steps in which a starting material of the inner container is deep-drawn.
• the method for producing the refrigeration device in particular the refrigerator and / or freezer, is at least essentially free of process steps in which an intermediate space of the refrigeration device, in particular the refrigerator and / or freezer, is filled with foam.
• a shape of the insulation element is adapted to at least part of a shape of the inner container and / or to at least part of a shape of a functional unit of the refrigeration device arranged outside the storage space.
• the refrigeration device, the refrigerator and / or freezer, the modular system and / or the method should not be limited to the application and embodiment described above.
• the refrigeration device, the refrigerator and / or freezer, the modular system and / or the method for fulfilling a mode of operation described herein can be one of one mentioned herein Number of individual elements, components and units have a different number.
• FIG. 1 shows a schematic perspective view of a refrigerator and / or freezer
• Fig. 2 is a schematic perspective view of the cooling and / or
• Freezer with a refrigeration device with an inner container, with an outer jacket and with several insulation elements,
• FIG. 3 shows a schematic exploded view of the refrigeration device with an assembled inner container box of the inner container and five separate prefabricated insulation elements
• FIG. 4 shows a schematic perspective view of the inner container box with three separate inner container parts
• FIG. 5 shows a schematic sectional view of an inner edge of the inner container
• FIG. 6 shows a schematic perspective view of a prefabricated insulation element with three insulation sub-elements
• FIG. 7 shows a schematic perspective view of a refrigerator door of the refrigerator and / or freezer with an inner container lid of the inner container and with an insulation element
• FIG. 8 shows a schematic perspective view of a form-fitting
• FIG. 9 a schematic view of an exemplary modular system for manufacturing the refrigeration device
• FIG. 10 a schematic flow chart of a method for manufacturing the refrigeration device.
• 1 and 2 show perspective views of a refrigerator and / or freezer 56.
• the refrigerator and / or freezer 56 is designed as a domestic refrigerator.
• the household refrigeration device can be, for example, a refrigerator, a freezer or a combined refrigerator-freezer for use in a private household.
• the refrigerator and / or freezer 56 is provided for temperature-controlled storage of items to be cooled, for example food.
• the refrigerator and / or freezer 56 has a refrigerator device 58.
• the refrigeration device device 58 has an inner container 10.
• the inner container 10 forms a storage space 12.
• An inner volume of the inner container 10 forms the storage space 12.
• the storage space 12 is provided for receiving the goods to be cooled.
• the storage room 12 can be divided into partial storage rooms by means of shelves for chilled goods (not shown), wherein the chilled goods trays can be permanently installed in the storage room 12 or can be removed from the storage room 12.
• the inner container 10 shown in FIG. 2 is formed from a plastic.
• the inner container 10 shown in FIG. 2 is manufactured by means of an injection molding process.
• the refrigeration device 58 has a thermal insulation element 18 (see also FIG. 3).
• the insulation element 18 thermally insulates the storage space 12 from the outside.
• the insulation element 18 is designed as a prefabricated insulation element 18.
• the insulation element 18 is formed from a hard foam. Alternatively, it is conceivable that the insulation element 18 can also be formed at least partially or completely from a flexible foam.
• the insulation element 18 is preferably a plate made of PU foam with support elements on both sides.
• the insulation element can alternatively also be made from an expanded polystyrene (EPS) or a combination of EPS and PU.
• EPS expanded polystyrene
• the insulation element 18 can alternatively be prefabricated from other thermally insulating materials, in particular hard foams, or can be designed as a vacuum insulation panel.
• the inner container 10 is covered by the prefabricated insulation element 18 on a side 20 facing away from the storage space 12.
• the insulation element 18 covers the side 20 of the inner container 10 facing away from the storage space 12 at least to a large extent.
• the prefabricated insulation element 18 is attached to the inner container 10 on the side 20 facing away from the storage space 12 (see also FIG. 8).
• the refrigeration device device 58 has a further thermal insulation element 32.
• the further insulation element 32 is a prefabricated insulation element 32 educated.
• the inner container 10 is covered by the further prefabricated insulation element 32 on a further side 22 facing away from the storage space 12, which is different from the side 20 to which the insulation element 18 is attached.
• the further insulation element 32 covers the further side 22 of the inner container 10 facing away from the storage space 12 at least to a large extent.
• the further prefabricated insulation element 32 is fastened to the inner container 10 on the further side 22 facing away from the storage space 12.
• the inner container 10 is surrounded on all sides 20, 22, 24, 26, 28, 30 facing away from the storage space 12 by prefabricated insulation elements 18, 32, 70, 72, 74, 82 which are designed separately from one another (cf. also FIG. 3).
• the insulation elements 18, 32, 70, 72, 74, 82 are fastened to the inner container 10 on the respective side 20, 22, 24, 26, 28, 30 of the inner container 10 assigned to them. All sides 20, 22, 24, 26, 28, 30 of the inner container 10 are at least largely covered by one of the insulation elements 18, 32, 70, 72, 74, 82.
• the insulation elements 18, 32, 70, 72, 74, 82 are at least substantially identical in function, material, density and / or thickness.
• the insulation elements 18, 32, 70, 72, 74, 82 differ from one another only in terms of shape and / or contour.
• At least one insulation element 18, 32, 70, 72, 74, 82 has a different function, different material, different density and / or different thickness from a further insulation element 18, 32, 70, 72, 74, 82 .
• the refrigeration device 58 has an outer jacket 42.
• the outer jacket 42 is formed from a metal.
• the outer jacket 42 surrounds the inner container 10 and the insulation elements 18, 32, 70, 72, 74, 82 attached to the inner container 10 on one or more, preferably all, sides 20, 22, 24, 26, 28, 30 facing away from the storage space 12 of the inner container 10.
• the outer jacket 42 delimits the refrigerator and / or freezer 56 to the outside.
• the outer casing 42 shown in FIG. 2 comprises several outer casing sub-elements 76, 78, 80.
• a first of the outer casing sub-elements 76 is essentially U-shaped and, in an assembled state, covers the left-hand, right-hand and ceiling-side insulation elements 18, seen in a front view. 32, 70.
• a second outer shell part element 78 is plate-like and covers the rear insulation element 72 in the assembled state.
• a third outer shell part element 80 shown in FIG. 7, is plate-like and covers in the assembled state, a front-side, in particular door-side, Isolation element 82.
• the outer jacket 42 is on at least one of the Insulation elements 18, 32, 70, 72, 74, 82 and / or attached to the inner container 10, in particular a door-side frame 84 of the inner container 10.
• the refrigeration device device 58 has a functional unit 50.
• the functional unit 50 is designed as a condenser line.
• the functional unit 50 is arranged on a side 44, 46 of the insulation element 18, 32 facing away from the inner container 10.
• the functional unit 50 is fastened to the outer jacket 42 on an inner side 86 of the outer jacket 42 facing the inner container 10.
• the inner container 10 comprises an inner container box 90.
• the inner container 10 comprises an inner container lid 92 (cf. FIG. 7). 4 shows a part of the inner container 10 that forms the inner container box 90.
• the inner container 10 has a first inner container part 14.
• the inner container 10 has a second inner container part 16.
• the inner container 10 has a third inner container part 66.
• the first inner container part 14 and the second inner container part 16 are adjacent to one another.
• the first inner container part 14 and the second inner container part 16 are formed separately from one another.
• the second inner container part 16 and the third inner container part 66 are adjacent to one another.
• the second inner container part 16 and the third inner container part 66 are formed separately from one another.
• the inner container 10, in particular the inner container box 90 is composed of the inner container parts 14, 16, 66.
• the inner container parts 14, 16, 66 of the inner container box 90 form inner container box parts.
• the inner container 10, in particular the inner container box 90 can be composed of more or less than three inner container parts 14, 16, 66.
• the inner container parts 14, 16, 66 shown in the exemplary embodiment are designed as one-piece injection-molded parts.
• the inner container parts 14, 16, 66 are positioned vertically one above the other in an installation direction 88 of the refrigeration device device 58.
• the inner container 10 is divided into the separate inner container parts 14, 16, 66 along the erection direction 88.
• the inner container 10 can be divided perpendicular to the erection direction 88 into, in particular further, separate inner container parts 14, 16, 66.
• the inner container parts 14, 16, 66 each include at least part of a rear wall 94 of the inner container 10.
• the inner container parts 14, 16, 66 each include at least a part of a first side wall 96 of the inner container 10.
• the inner container parts 14, 16, 66 each include at least one Part of a second side wall 98 of the inner container 10, which the first side wall 96 of the inner container 10 is opposite.
• the first inner container part 14 also includes an upper wall 100 of the inner container 10.
• the third inner container part 66 also includes a lower wall 102 of the inner container 10.
• the inner container parts 14, 16, 66 assembled to form the inner container box 90 are positively connected to one another by snap-in elements (not shown).
• the inner container parts 14, 16, 66 can also be divided vertically once or several times.
• the inner container 10 has at least one inner edge 54 on a side 52 facing the storage space 12.
• the inner edge 54 has an edge radius 104.
• the edge radius 104 of the inner edge 54 is 1.5 mm.
• the inner edge 54 shown is merely an example of further inner edges of the inner container 10 which are arranged on other parts of the inner container 10 and which can likewise have an edge radius 104 of 1.5 mm or less.
• the edge radius 104 is in particular at least 10% smaller than a minimum edge radius 104 that can be produced using conventional deep-drawing processes.
• the insulation element 18 is plate-like.
• the insulation element 18 is produced in a continuous foaming process.
• the insulation element 18 is produced in an external panel system for the production of insulation elements 18.
• the insulation element 18 can be pressed into a molding.
• On a side 38 of the insulation element 18 facing the inner container 10, the insulation element 18 has a shape, in particular a surface shape, which is adapted to an outer shape of the side 20 of the inner container 10 facing away from the storage space 12 (cf. FIG. 3).
• the insulation element 18 has a contour on the side 38 of the insulation element 18 facing the inner container 10, which is adapted to a contour of the side 20 of the inner container 10 facing away from the storage space 12 (cf. FIG. 3).
• the inner container 10 has, in the side wall 96 facing the insulation element 18, receiving rails 106 for shelves for chilled goods (cf. FIG. 3).
• the inner container 10 has recesses 108 in the side wall 96 facing the insulation element 18, which in particular are formed by the Receiving rails 106 are conditional.
• the insulation element 18 On the side 38 facing the inner container 10, the insulation element 18 has elevations 110 corresponding to the depressions 108. When the refrigeration device 58 is in an assembled state, the elevations 110 engage in the recesses 108 of the inner container 10.
• a reinforcement of the receiving rails 106 can thereby advantageously be achieved.
• the receiving rail 106 could have vertically or obliquely extending reinforcing ribs (not shown) on a side facing away from the storage space 12.
• the insulation element 18 On the side 44 of the insulation element 18 facing away from the inner container 10, the insulation element 18 has a shape which is adapted to a shape of a side 48 of the outer jacket 42 facing the storage space 12. On the side 44 of the insulation element 18 facing away from the inner container 10, the insulation element 18 has a contour which is adapted to a contour of the side 48 of the outer jacket 42 facing the storage space 12.
• the insulation element 18 has a shape, in particular a surface shape, which is adapted to a shape, in particular a surface shape, of the functional unit 50.
• the insulation element 18 has a contour which is adapted to a shape, in particular a surface shape, of the functional unit 50.
• the insulation element 18 has a recess which is adapted to a shape, in particular a surface shape, of the functional unit 50.
• the insulation element 18 has a first insulation sub-element 34.
• the insulation element 18 has a second insulation sub-element 36.
• the insulation element 18 has a third insulation sub-element 68.
• the insulation element 18 is composed of the first insulation sub-element 34, the second insulation sub-element 36 and the third insulation sub-element 68.
• the insulation element 18 can be composed of more or fewer than three insulation sub-elements 34, 36, 68.
• the partial insulation elements 34, 36, 68 shown in the exemplary embodiment are designed as one-piece hard foam parts. In the assembled state of the refrigeration device 58, the partial insulation elements 34, 36, 68 are positioned vertically one above the other in the installation direction 88 of the refrigeration device 58.
• the insulation element 18 is divided into the separate insulation sub-elements 34, 36, 68 along the erection direction 88. Alternatively or in addition, the insulation element 18 can be perpendicular to the Installation direction 88 can be divided into, in particular further, separate partial insulation elements.
• the partial insulation elements 34, 36, 68 can be connected to one another in a form-fitting manner.
• the partial insulation elements 34, 36, 68 have interlocking elements 112 corresponding to one another, which interlock to connect two partial insulation elements 34, 36, 68.
• the second partial insulation element 36 has a form-fit fitting element 118 on a first side edge 114.
• the first partial insulation element 34 has on a second side edge 116 a form-locking recess 120 corresponding to the form-fit fitting element 118 of the second partial insulation element 36.
• the form-fit fitting element 118 of the second partial insulation element 36 engages in the form-fit recess 120 of the first partial insulation element 34.
• the refrigerator door 122 includes part of the inner container 10.
• the refrigerator door 122 includes the inner container lid 92.
• the inner container lid 92 forms a front wall 124 of the inner container when the refrigerator door 122 is closed 10 off.
• the inner container lid 92 is composed of a plurality of inner container parts 126, 128, 130, 132 in a manner analogous to the inner container box 90.
• the inner container parts 126, 128, 130, 132 is composed of a plurality of inner container parts 126, 128, 130, 132 in a manner analogous to the inner container box 90.
• the inner container lid 92 is covered by the door-side insulation element 82 on a side 30 facing away from the storage space 12.
• the door-side insulation element 82 is positively connected to the inner container lid 92.
• the door-side insulation element 82 is covered by the third partial outer casing element 80 on a side 134 facing away from the inner container lid 92.
• the insulation element 18 is attached to the inner container 10 in a form-fitting manner. 8 shows the form-fitting fastening of one of the insulation elements 18 to the inner container 10.
• the inner container 10 has a fastening unit 40.
• the fastening unit 40 is designed in one piece with the injection-molded inner container 10.
• the fastening unit 40 is positively connected to a plug element 136 of Refrigeration device device 58 connected.
• the plug element 136 effects, through a form fit with the insulation element 18 and in cooperation with the fastening unit 40, a fixed position of the insulation element 18 relative to the inner container 10.
• the plug element 136 is used to connect the insulation element 18 to the inner container 10 in a recess 138 of the insulation element 18 or inserted directly into the material of the insulation element 18.
• the refrigeration device device 58 has a securing element 140.
• the securing element 140 secures the connection created by the fastening unit 40 between the inner container 10 and the insulation element 18 against automatic loosening.
• the securing element 140 is designed as a securing ring.
• the insulation element 18 can be connected to the inner container 10 without tools and / or without glue by means of plug elements 136 and securing elements 140.
• the modular system 60 has a set 62 of insulation elements 18, 32, 70, 72, 74, 82.
• the insulation elements 18, 32, 70, 72, 74, 82 of a set 62 are each composed of partial insulation elements 34, 36, 68.
• the insulation elements 18, 32, 70, 72, 74, 82 of a set 62 are each assigned to exactly one side 20, 22, 24, 26, 28, 30 of the inner container 10.
• the modular system 60 comprises several sets 62 of insulation elements 18, 32, 70, 72, 74, 82 for other sides 20, 22, 24, 26, 28, 30 of the inner container 10.
• the insulation elements 18, 32, 70, 72, 74 , 82 of a set 62 have different insulation properties, for example different shapes, different thicknesses, different materials and / or different densities.
• the modular system 60 has a set 64 of inner container parts 14, 16, 66, 126, 128, 130, 132, which are provided to be assembled to form different inner containers 10 and with at least the insulation elements 18, 32, 70, 72, 74 , 82 of a set 62 of insulation elements 18, 32, 70, 72, 74, 82 to be connected.
• the modular system 60 can advantageously be expanded and / or modified as required.
• FIG. 10 shows a schematic flow diagram of a method for producing the refrigeration appliance device 58.
• an insulation element 18, 32, 70, 72, 74, 82 is prefabricated.
• the prefabricated insulation element 18, 32, 70, 72, 74, 82 is pressed into a molding so that the shape of the insulation element 18, 32, 70, 72, 74, 82 is adapted to a shape of the inner container 10.
• the molding is assigned to one of the sets 62 of insulation elements 18, 32, 70, 72, 74, 82 of the modular system 60.
• an inner container part 14, 16, 66, 126, 128, 130, 132 is produced by injection molding.
• the inner container part 14, 16, 66, 126, 128, 130, 132 is assigned to the set 64 of inner container parts 14, 16, 66, 126, 128, 130, 132 of the modular system 60.
• at least two inner container parts 14, 16, 66, 126, 128, 130, 132 of the set 64 of inner container parts 14, 16, 66, 126, 128, 130, 132 are selected for assembly of the refrigeration device 58.
• the at least two inner container parts 14, 16, 66, 126, 128, 130, 132 are joined together to form an inner container 10.
• At least one insulation element 18, 32, 70, 72, 74, 82 is selected from one of the sets 62 of insulation elements 18, 32, 70, 72, 74, 82 for mounting the refrigeration device 58.
• the insulation element 18, 32, 70, 72, 74, 82 is composed of insulation sub-elements 34, 36, 68.
• the selected insulation element 18, 32, 70, 72, 74, 82 is positively attached to the side 20, 22, 24, 26, 28, 30 of the assembled inner container 10 facing away from the storage space 12.
• the outer jacket 42 is placed on the side 44, 46 of the insulation elements 18, 32, 70, 72, 72, which faces away from the inner container 10. 74, 82 mounted.

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• 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)

Applications Claiming Priority (2)

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• 2019
  • 2019-09-04 DE DE102019213447.5A patent/DE102019213447A1/de active Pending
• 2020
  • 2020-08-19 US US17/639,506 patent/US20220341656A1/en not_active Abandoned
  • 2020-08-19 CN CN202080061565.4A patent/CN114341577A/zh active Pending
  • 2020-08-19 WO PCT/EP2020/073190 patent/WO2021043575A1/de unknown
  • 2020-08-19 EP EP20758197.6A patent/EP4025853A1/de not_active Withdrawn

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