MX2010012532A - Cold appliance. - Google Patents

Abstract

A cold appliance, such as a household refrigerator or freezer, comprising a cooling module (102) and a cabinet (101), The cabinet has been assembled from pre-foamed panels comprising two opposite side wall panels (1), a rear wall panel (4), a top part (2), and a bottom part (103), which are connected essentially perpendicular to each other e.g. by means of mechanical and/or glue joints, and a door (6). The cabinet comprises a condensation preventing device (160) comprising a heat carrier tube (28, 160) being positioned at a front frame portion of the cabinet of the cold appliance, preferably adjacent to a part of the door (6). The heat carrier tube being filled with a heat carrier fluid, being closed and having a boiler portion (172), which is arranged in thermal contact with a heat generating means (32) of said cooling module for boiling the heat carrier fluid.

Description

FRIGORIFICO APPARATUS Field of the Invention The invention relates to a refrigerating appliance.

Background of the Invention When refrigeration appliances are manufactured, such as refrigerators that also include pantries and wine coolers and freezers, which also comprise freezer aircones, which are in the form of an opening cabinet and which are mainly adapted for domestic use, but which also can be used for example in restaurants and laboratories, hereinafter referred to as refrigeration appliances for the search for simplicity, it is common practice to locate the production closest to the customers, since the transportation costs are considerable. This results in a comparatively large number of production sites. It is desirable to have other large production plants and then distribute the products from these plants to the rest of the world. In this way it is possible to have the benefit of large-scale benefits. For example, a problem associated with transporting refrigerated appliances is that they represent bulky products that contain a lot of air, which has to make transportation costs per unit of weight considerable. It has been suggested to manufacture refrigeration appliances Ref. 214934 in a modular form, so that the products can be transported in a disassembled and assembled state at the installation site or in a nearby storage, assembly plant or other service facility. However, a functional modular system for such products has never been developed. This is due to the various requirements that the cabinet must meet. For example, the cabinet must be constructed to be easily assembled to form a sturdy rigid cabinet that has good heat insulation properties and is substantially impermeable to moisture migration, as well as having an aesthetically appealing appearance. Additionally, a cooling cabinet contains a batch of mechanical equipment to perform different functions. This team, when it has the present structure, is. difficult to provide as modules that are easy to assemble and interconnect.

Another problem associated with conventional manufacturing of refrigeration appliances, is that it involves high investment costs for the development of product lines and the like .. This results in a very poor flexibility, mainly with respect to the possibility of producing refrigeration appliances that have different dimensions and variable equipment options in small series. Normally, new product designs need large production series to be feasible for economic reasons. This It also has to ensure that producers are not willing to develop products that have a new method since the economic risk is very large, with a uniform product line as a result, alternatively a stranger product will be very expensive to produce and to buy .

Another problem associated with a modular refrigerator is how to arrange a condensation prevention device in front of the refrigerator compartment (s). In a non-modular refrigeration appliance that is conventionally manufactured, as described in US 6,666,043, a condensation prevention device is provided as a heat carrier tube that extends along a front frame portion, surrounding the ) refrigerator compartment (s) of the cabinet. The tube is filled with a color carrier fluid, and is provided with a heat exchanger box, which is placed under a compressor included in the cooling system of the refrigerator. In US 6,666,043, there is no information on how the tube is actually mounted in the front frame portion, but on the other hand there is no problem involved in the assembly thereof. On the contrary, when the refrigerator is not completed in the factory of origin, but is delivered in pieces and assembled on arrival, a problem arises of how to manufacture the pieces in order to facilitate the assembly.

When a refrigeration appliance is built in the conventional way, where the cabinet is built in place, it is easy to obtain complex built-in functions. However, when separate parts are provided that are to be assembled later, new solutions are needed. A problem that has to be solved is how to obtain the complex interface between the cabinet and the door, where, for example, the aforementioned condensation prevention device is to be mounted.

In conventional refrigeration appliances, the evaporator is formed as a rather flat and rectangular device, which is mounted inside the cabinet. The present invention is within the field of dynamic cooling, wherein the cooling module is a separate module comprising all the cooling devices, including the evaporator, and subsequently assembled with the cabinet. The cooled air is then circulated inside the cabinet in order to cool the food. The air cools as it passes through or around the evaporator, depending on its construction, by means of a fan. Then the conventional rectangular shape and rather flat, is not optimal.

When manufacturing separate cabinet panels that will be assembled subsequently, instead of manufacturing Cabinet cover and fill it with foam, it should be possible, and it will be desirable to find a way to automate this fabrication, at least for some of the types of panels involved.

In a refrigeration appliance where the cooling effect is generated by a cooling module in accordance with a stand-alone type, and is distributed by an air flow inside the cabinet, it is desirable to make the compact cooling module. In order to make the cooling module as compact as possible, it will be desirable to arrange the larger parts, i.e. the evaporator and the compressor side by side, although of course thermally insulated from one another. This placement may result in at least part of the evaporator being placed lower than an upper portion of the compressor. This mutual placement will have some negative impact on the thawing system, that is, the system that warms the evaporator for the melting of frost and ice added to it, the drainage of the resulting defrosting water, and the evaporation of the defrosting water . Conventionally, defrosting water is evaporated from a container in the upper part of the compressor as the hot compressor liner is heating the water. The water is guided by gravity from the evaporator to the container by means of a tube or the like.

However, when the evaporator, at least partially, is placed lower than the compressor, this is not a possible solution. Consequently, there is a need for another solution.

Also, when the cooling module is placed i Under the cabinet, which is desirable in many applications, there are air ducts to circulate the air to and from the cabinet, which can cause heating of the refrigerator compartment of the cabinet when defrosted. the evaporator, due to the hot air that emerges, by natural convection, through the air duct that normally delivers cold air. A direct solution will be to restrict this heat filtration by providing air shutters in the air ducts, which will close the air ducts during the defrosting periods. A disadvantage with such a solution is that it needs the provision of more moving parts as well as control equipment, which will increase the cost for the cooling module. i , In a modular refrigeration appliance where a system for forced air circulation in the refrigerator compartment (s) of the cabinet is necessary, a need arises to provide efficient air circulation. 1 Summary of the Invention One objective of the invention is to solve the problem aforementioned associated with the condensation prevention device, and provide a refrigeration appliance having a condensation prevention device easily assembled.

The objective is achieved, in accordance with the present invention, by a refrigerating appliance as defined in claim 1. Advantageous improvements of the method according to the dependent claims of claim 1 are achieved.

Thus, a refrigeration appliance, such as a domestic refrigerator or freezer, is provided, comprising a cooling module, a cabinet, the cabinet of which has been assembled from the separate cabinet panels comprising two opposite side wall panels, a panel of rear wall, a top part, and a bottom part, which are connected essentially perpendicularly to each other, for example, by means of joints and / or glue, a door, and a condensation prevention device including a carrier tube of heat that is placed in a front frame portion of the refrigerator cabinet, preferably adjacent to a part of the door. The heat carrier tube is filled with a heat carrier fluid and closed and has a boiler portion, which is disposed in thermal contact with a heat generation means of the heat module. cooling to boil the heat carrier fluid.

By providing the condensation prevention device as a separate unit, which is not interconnected with the cooling system of the refrigerating appliance, but has its own boiling portion which is simply arranged in thermal contact with a heat generating means of the module of cooling, it is easy to assemble the refrigerating appliance as a whole and assemble the heat carrier tube. Additionally, these features can make the assembly of the condensation prevention device more or less independent of the assembly of the cooling module. It should be noted that the heat generation means, for example, can be a compressor, a condenser or a condenser plate of the cooling module. The invention can be carried out in many different forms within the scope of the claims. For example, the heat carrier tube can be formed from different materials although a metal is preferred to achieve good thermal conductivity.

In accordance with one embodiment of the refrigerating apparatus, the heat carrier tube is closed in a loop. Then the heat carrier medium is able to circulate inside the tube without contact with another corresponding means of devices of the refrigerating appliance.

In accordance with one modality of the device Refrigerator, the heat carrier tube is a one-way tube, which has two closed ends. This provides even simpler solutions of condensation prevention.

According to one embodiment of the refrigerating appliance, the cabinet comprises a profile bar, which is mounted on the front frame portion, for example, on the front edge surfaces of the cabinet panels, and which is provided with support means for receive the heat carrier tube. By providing the bar i profiled, and by providing the profiled bar with support means for receiving the heat carrier tube, the heat carrier tube assembly is further improved.

In accordance with one embodiment of the refrigeration appliance, the heat carrier tube is press-fitted to the support means, which underlines the ease of assembly. However, other forms of coupling, such as adhesion or clamping, may also be conceivable.

According to one embodiment of the refrigerating appliance, the supporting means are arranged in a recess of the profile bar, which verifies that no excessive space is used by the heat carrier tube between the front frame portion and the door. Alternatively, at least one side wall panel is provided with a recess for receiving the heat carrier tube.

In accordance with one embodiment of the refrigeration apparatus, when the heat carrier tube is mounted in the support means, it is covered by an elongated cover member, preferably a metal for good thermal conductivity. Preferably, the member of i The cover is mounted with its inner surface in contact with or at least near the tube and the outer surface of the cover member is part of the surface of the front frame portion of the cabinet. i ! In accordance with another aspect of the present invention, there is provided a condensation prevention device comprising a heat carrier tube having a boiler portion, the heat carrier tube is filled with a heat carrier fluid and is closed. The condensation prevention device is arranged to be mounted on the front frame portion of a cabinet made of pre-foamed side wall panels, a back wall panel, an upper part and a lower part.

According to the embodiments of the condensation prevention device, the heat carrier tube is closed in a loop, preferably in the shape of a rectangle. The loop comprises a lower section, a first vertical section, an upper section, a second vertical section, and an end section. The upper section is inclined and / or the end section is inclined With this, a self-circulation of the heat carrier fluid within the tube can be obtained, wherein the section / inclined sections improve the return flow of the heat carrier fluid in the liquid state.

According to another aspect of the invention, a refrigerating appliance is provided, wherein the cabinet further comprises a middle section adapted to divide the cabinet into more than one compartment and wherein the heat transfer tube is provided with a middle section adapted to be arranged on the front edge of the middle section.

In accordance with another aspect of the invention, there is provided a condensation prevention device, wherein the heat carrier tube is provided with a middle section and the front frame portion of a cabinet further comprises a middle section that divides the cabinet into more than one compartment.

In this way, a condensation prevention device can also be arranged in an efficient manner in refrigerating devices divided into more than one compartment. The heat carrier tube in accordance with this embodiment can be arranged in the front frame opening of each cabinet compartment due to the. medium tube arranged in the heat carrier tube.

Brief Description of the Figures One mode of a composite refrigeration appliance In a modular form that includes the invention, it will be described hereinafter by way of example with reference to the appended figures, wherein: Figure la is a partial cutaway perspective view of an embodiment of a refrigerated appliance assembled from modular units in accordance with the present invention; Figure Ib is an exploded perspective view of the refrigerator apparatus according to Figure la; Figure 2 is a flow chart schematically illustrating one embodiment of a method for manufacturing cabinet panels in accordance with the present invention; Figures 3a-3b are a partial cross-section along A-A in the Figure of a first embodiment of the junctions between the side cabinet panels and the rear cabinet panel of the refrigerator cabinet; Figures 3c-3d are a partial cross section along A-A in the Figure of a second embodiment of the joints in accordance with the Figures 3a-3b; Figure 4 is a partial cross-section along A-A in the Figure of a third embodiment of the joints in accordance with Figures 3a-3d; Figure 5 is a partial cross section as length of A-A in the Figure that of a fourth embodiment of the joints in accordance with Figures 3a-3d; Figure 6 is a cross section along B-B in Figure 7 through the front edge of a sidewall panel; Figure 7 is a front view of an assembled cabinet with the door removed showing the location of the thermosyphon tube around the cabinet opening; Figures 8 and 9 are perspective views of the cooling module from the left rear side and the right rear side, respectively; Figure 10 is a partial cut-away view of the lower plate of the cabinet showing the cooling module mounted on the refrigerating appliance of Figure 1 and the location of the equipment and the air flow through the hot section of the cooling module. cooling along CC in Figure 8; Figure 11 is a partial cut-away view from above of the cold section as well as the lower part of the hot section of the cooling module mounted in the refrigerating appliance of Figure la and along D-D in Figure 8; Figure 12 is a cross-section along E-E in Figure 9 of the cooling module mounted on the refrigerating appliance of Figure la and through the evaporator fan as seen from behind; Figure 13 is a cross section along the F-F in Figure 9 from the front side to the rear side of the cooling module mounted in the refrigerating appliance of Figure la and through the evaporator; Figure 14 is a view as seen from the cabinet opening of an interior wall positioned against the interior of the rear wall panel; Y Figure 15 is a cross section along G-G in Figure 14 through the rear wall panel of the interior wall in accordance with Figure 14.

Figure 16 is a perspective view illustrating the manufacture of cabinet panels; Figure 17 is a cross section along B-B in Figure 7 of a front portion of a wall panel and a profiled front bar; Figure 18 is a cross-section along H-H of an upper portion of a cabinet embodiment; Figures 19a and 19b are perspective views of one embodiment of the refrigerator appliance; Figures 20a and 20b are a perspective view from the rear and a cross-sectional view along K-K respectively illustrating one embodiment of a joint between cabinet panels; Figure 21 is a cross-sectional view of a bar profiled front; Figures 22a-22d and 23a-23b illustrate alternative embodiments of the thermosyphon; Figure 24 is a cross-sectional view along F-F in Figure 9 of an alternative embodiment of the cooling module; Y, Figure 25 is a partial exploded perspective view of an embodiment of a refrigerated appliance assembled to; from modular units and divided into two compartments by a middle section in accordance with the present invention.

Detailed description of the invention Figure 1 is a partially cutaway perspective view of a modularly incorporated refrigeration appliance, i.e., a refrigerator or freezer, or a combination thereof. By combination, it. refers to a refrigeration appliance having a thermally insulating separation section that divides the cold space into a separate freezer compartment and a separate refrigerator compartment. In this mode, the appliance has an individual freezer or refrigerator function. The refrigerator apparatus 100 comprises a cabinet 101 and a cooling module 102, which is placed under an interior floor 103 of the cabinet 101. Although not shown, the refrigerator apparatus typically comprises interior fittings, such as shelf supports, shelves, boxes, and lockers; a control panel; lights; cabling; sensors; etc.

Figure Ib is an exploded perspective view of the refrigerator apparatus 100 incorporated in a modular form, comprising the cabinet 101 formed of a number of cabinet panels, consisting of two side wall panels 1, an upper panel 2, and a panel lower and upper rear wall 3, 4, as well as reinforcement accessories 5. The refrigerator apparatus also comprises a door 6 and the cooling module 102 which includes, for example, a compressor, a condenser, an evaporator, a fan, and similar, which are necessary to obtain the cooling effect. The cooling module 102, which will be described in more detail below, is formed as a standalone or independent module, which can be easily mounted in the cabinet 101 and connected to a supply network. In this embodiment, the cooling module 102 is disposed at the bottom of the cabinet 101. The cooling module 102 has a lower plate 31, which is also the lower plate of the refrigerating appliance as a whole. The cabinet is supported by the bottom plate 31. More particularly, the sidewall panels 1 can be mounted to a bottom plate 31. In addition, the bottom plate 31 comprises wheels, or rollers, 110, as an alternative, or in combination with the 110 rolls, which level the feet. The lower rear wall panel 3 can be opened, or disassembled, in order to admit access to the cooling module 102 for service purposes. In an alternative embodiment, the cooling module is located in a different position in the cabinet, for example, in the upper part. Even in another embodiment, the cabinet is provided with a separate bottom panel, which constitutes the interior floor, and the cooling module is placed under that floor while it can be retractable or accessible for service. Thus, the upper and lower enclosure delimiters can be defined as the upper part and the lower part, since they can be panels or separate parts of another structure, such as the cooling module.

: In another modality, as shown in the Figures 19a and 19b, the cabinet 116 is assembled from the upper, side wall, rear wall and bottom panels, and is provided with lower connecting elements 121 for connection to the cooling module 110 disposed therein under the cabinet 116. In order to facilitate the service of the cooling module 118, in particular the cold section 34, the lower panel of the cabinet 116 is provided with a gate 120, which is illustrated in an open position.

In the embodiment of the refrigerating appliance illustrated in Figures la and Ib, door 6, upper panel 2 and Interior floor panel 3 are manufactured by a method common in the art, such as by conventional on-site condition, while side wall panels 1 and rear wall panels 3, 4 are manufactured by a method, which will be described in more detail below. However, it should be understood that alternative embodiments also one or more of the door 6, the top panel 2, as well as the interior floor panel 103 may be manufactured by the method in accordance with the present invention.

Preferably, the panels 1, 2, 3, 4, 103 are interconnected by means of an adhesive or glue, which provides strong as well as tight joints. Additionally, bonded joints provide thermally good properties. In addition, the tension of the glued connection ensures a high hygienic level of the refrigeration appliance, which will typically contain food. The reinforcement accessories 5 are mounted at the corners between the side wall panels 1 and the top panel 2, as well as the interior floor panel 1 3. The accessories 5 are glued to the surfaces or joined by means of appropriate fastening elements. The fixtures 5 will provide resistance to the cabinet 101 during use, as well as during the cure of the glue, which is preferably used to join the panels to each other. The accessories are also used as reinforcement parts to join, for example, door hinges or Similar. It should be noted that in spite of that, as will be explained here additionally, it may not be necessary to add the accessories. The cabinet can achieve a sufficiently high stability also without them.

In accordance with the embodiment described herein and illustrated, the side wall panels 1 of the rear wall panels 3, 4 of the cabinet are formed by a method i of panel manufacture, as illustrated in a schematic drawing box in Figure 2. A top and bottom sheet material, for example, a metal sheet 8 and a plastic sheet 9, a metal sheet 8 and a metal sheet 9 , or a plastic sheet 8 and a plastic sheet 9, respectively, are fed from the upper and lower sheet rolls at an inlet end to a sheet forming and foam application machine. i The sheet layers are initially maintained at a greater distance from each other, as they are fed from the inlet end towards an outlet end. In a first profiling station 10, the sheets are profiled to a desired profile shape, such as by tilting the longitudinal edges inwards, for example, to a right angle with the rest of the sheet, forming grooves as the sheet is bent towards inside or forming ribs by curving the blade outwards, as will be explained more in detail below, and in order to obtain, for example, the modalities described above. Subsequently, in a foaming station 11, a continuous double-ribbon foaming process is performed. The method comprises passing the web of the sheet material through the foaming station 11 and a desirable amount of thermally insulating foam, for example pblurethane foam, is distributed over the lower sheet surface in the space between layers of sheet. After that, the sheet layers are brought together to establish the desirable thickness of the sandwich panels. The foam is then cured in a curing station 12. The sandwich web is then cut into cabinet panels of desirable lengths in a cutting station 13. In the cutting station 13, the sheets and foam can be cut into different lengths , which is advantageous for assembly purposes as will be described below. After that, the panels are cooled 14. The cooling procedure is controlled in order to prevent buckling of the panels. Any of the additional coupling parts can be mounted on the cooled cabinet panels, such as assembly fittings, shelf supports or profiled bars along one or more of the edges to obtain a finished modular cabinet panel 15 ready for transportation and subsequent assembly to form a refrigerator cabinet.

As an alternative, foil materials are prepared prior to the foaming operation for mounting the additional coupling parts at a later stage. In that way, the sheet materials are provided with perforations and the like which are to be used to mount the coupling parts. Optionally, the sheet materials are also provided with fastening details, such as reinforcement elements, screw seats, etc., on their surfaces oriented to the interior of the cabinet panels to be made. During the next foaming, these details are incorporated by means of the foam.

] The method of manufacturing panels is advantageous in many aspects. For example, the energy requirements in a refrigeration appliance are high, and will probably increase even more in the future. Through this i method, it ensures a good foam filling of the cavities. The risk of air bubbles and not filled cavities is reduced compared to conventional injection molding. In addition, the insulating property is superior. It is possible to choose a certain orientation of the foam. All these advantages provide a minimum thickness of the insulation, that is, the foam, and thus the panels.

As shown very schematically in Figure 16, in an alternative embodiment of the manufacturing method it is insert a profile bar 23 along the least one of the edges of the sandwich web 60. The profile bar 23, as such, will also be described below in conjunction with Figure 6. That way, when, at the station of foaming, the foam 17 has been applied between the upper sheet 8 and the lower sheet 9, and the upper sheet 8 was brought closer to the lower sheet, for example, by means of a foaming roller 61, as shown by the lines dotted in Figure 16, the profile bar 23 is applied from the side of the sandwich web 60 and is bonded thereto. Coupling can be done in many different ways, and preferred ones are described below. However, there is typically a combination of the bar 23 having an elongated rib extending along the length of the bar 23, and entering a slot, which was formed in a portion of one of the sheets, and adhesive contact between the bar 23 and uncured foam 17. An advantage of this method is that the time to assemble the cabinet is reduced.

When the cabinet is assembled, the cabinet panels can be connected to each other in different ways. For example; at least one of adhesion, adjustment by screw, and riveting. Preferably, the outer sheet layer 8 is a painted metal sheet while the inner sheet layer 9 is a plastic sheet, but could also other variants, such as plastic sheets or metal sheets on the inner and outer surface, are conceivable. In FIGS. 3 a to 5, various illustrative embodiments of connections between the side wall panels and the rear wall panel are described. A common feature of all the joints described in Figures 3a to 5 is that the outer sheet 8 of at least one of the wall panels 1 extends beyond the edge surface 16 of the foamed material 17 and was tilted, in the panel fabrication as described above, on the edge surface to completely or partially cover the edge surface of the foamed material. The extension edge portion of the sheet 8 provides a coupling area for the coupling of a neighboring panel, whereby the wall panel has a foil layer bonding area for the connection between the wall panels 1, which it can be used to obtain a resistant connection by means of adhesion and / or screwing the wall panels 1 together. Within this general idea, the joining can be done in many different ways and four different illustrative modes are described in Figures 3a to 5.

In Figure 3a, which shows the side wall panel 1 and the rear wall panel 4 before they are joined, the outer metal sheet 8 of the side wall panel 1 extends further and is bent over the edge surface. longitudinal 16, while the inner plastic sheet 9 is terminated at a distance from the same longitudinal edge surface so as to expose the foam 17 on the inner side along the edge 16a. The rear wall panel 4, on the other hand, is provided with an extended portion 18 of the outer metal sheet 8, but does not lean over the edge surface. Instead of this, the metal sheet is left projecting from the edge surface. Accordingly, when connecting the two wall panels 1, 4 perpendicular to each other, an overlapping portion is formed between the outer metal sheets 8 so that they can be connected together, preferably by means of adhesion in combination with screwing to fix the members. of wall together while the glue is covered. In Figure 3b, the sidewall panel and the rear wall panel were joined. The foam-to-foam contact surfaces 16a, 56 also stick together I suitable for each other, on the one hand for joint purposes, but also for providing a tight connection to air and moisture. The foam to foam contact between the cabinet panels prevents the formation of any thermal bridge from the inside to the outside of the cabinet. Without I However, it will also be conceivable to extend the inner sheet of the side wall panel at a distance and to extend and tilt the inner sheet of the rear wall panel a I distance over the edge surface and paste them for an increased bond strength, as shown in Figures 3c-3d.

Thus, in Figures 3c-3d, a joint is described, wherein, in addition to the joining of Figures 3a-3b, the inner sheet 55 of the rear wall panel 5 was inclined on each longitudinal edge surface 56, 57 respectively, which covers a fraction of it, see Figure 3c. In Figure 3b, the inner sheet 9 of the side wall panels 1 was extended together with, and joined to, the inclined portion of the inner back wall sheet 55. This joining of sheet to extra sheet increases the strength and Cabinet stability.

In Figure 4, a joint is described in which the outer sheet 8 of the side wall panel 1 extends over the edge surface and is bent over the edge surface 16 as well as a distance over the interior surface. Also, the outer sheet 8 of the back wall panel extends a distance over the edge surface and is inclined over the edge surface. In addition, both the side wall panels and the rear wall panel, each is provided with an elongated slot 19, on the edge surface and the outer surface, respectively, along the splice area between the wall panels, where each slot is formed by the outer sheet 8 having a curved shape in the foam material 17. These elongated slots are used for connection by means of a connecting band 20, preferably made of plastic, which is provided with two separate rib portions, which have a shape that It engages with the slots and inserts into the slots to connect the wall panels together. The attachment of the connection band to the slots can be achieved by means of, for example, snap-fit connection, adhesion or screwing, preferably by a combination of two or more of these. Also, the joint area provided by the inclination on the outer sheets in the splice area between the wall panels, is used for bonding by means of adhesion for increased strength.

In Figure 5, an additional embodiment of a union between cabinet panels is described. Here, similar to the embodiment of Figure 4, the outer sheet 8 of the side wall panel extends over the edge surface 16, as well as a distance over the inner surface, while the outer sheet of the rear wall panel 4 is extends a distance above the edge surface. However, slots are not provided on the outside of the cabinet. Instead of this, an elongated slot 21 is provided on the edge surface of the rear wall panel, ie, on the splice surface between the wall panels, by curving the outer sheet in the foam material 17. The side wall panel 1, on the other hand, is provided with an elongated rib 22 by bending the outer sheet outwardly on the splice surface. between the wall panels. By means of a press fit connection of the rib in the groove in combination with adhesion, a secure connection of the wall panels is achieved.

In accordance with another embodiment of the union between the cabinet panels, as shown in Figures 20a and 20b, an edge portion 124 of the outer sheet of the sidewall panel 122 was inclined and covers the rear edge surface of the panel. 122. The elongated slot 126 was formed in the edge portion 124. This slot 126 is wider at the bottom thereof than at the top thereof. The outer sheet 128 of the rear wall panel 132 has an edge portion extending beyond the edge surface of the foam material 134 of the rear wall panel 132. An edge sub-portion 130 of the edge portion of the outer sheet 128 of the rear wall panel 132 is inclined in a shape that conforms to the slot 126, and more particularly to a shape that follows at least one side wall and the bottom wall of the slot 126, and in this embodiment, also a fraction of the other side wall of the slot 126. The edge sub-portion 130 was received in the slot 126 and secures the rear wall panel 132 to the side wall panel 122 because the slot 126 tapers from the bottom thereof to the opening thereof. The edge surface of the rear wall panel 132, ie, iterate, the edge surface of the foam is butted against the inner sheet 136 of the side wall panel 122.

All the wall panels described in relation to Figures 3a to 5, having extended outer sheets projecting or tilting on the edge surface and also a distance on the inner surface, having grooves or ribs, can be manufactured in a process continuous including a double band foaming process as previously described.

A top panel is preferably joined to the side wall panel and the back wall panel by adhesion. In this way, the stability of the i will be improved Cabinet in the air as well as it will ensure the hermetism to moisture. The joints can be formed in accordance with the embodiments described in Figures 3a to 5, but of course other forms are also possible. For example, as shown in Figure 18, each side wall panel 1 is provided with a turned upper end slot 114 that forms a shelf inside the side wall panel 1. The top panel 2 is received in the grooves 114 and rests on the shelves.

Sometimes it is desirable to form the cabinet with a partition wall panel, to divide the space into two separate compartments having separate doors, for example, to form separate freezer and refrigerator compartments, or to arrange fixed shelves within the compartments. compartments. Here, it is also advantageous to stick the wall panel in the middle to the fixed shelf or the fixed shelf to the interior surfaces of the cabinet. In the embodiment described and illustrated herein, the cooling module forms the bottom of the cabinet and preferably the cooling module is bonded to the rear wall side wall panels.

Reference is now made to Figure 6 wherein a fraction of the front frame portion of the cabinet is shown in cross section, ie, a portion of the cabinet that surrounds and defines the opening in the cabinet. Here, the cabinet is provided with a profiled bar 23, preferably made of plastic. The profile bar 23 is disposed in the front frame portion, ie, it extends around the cabinet opening, as shown in Figure 7. The profile bar can be joined in different shapes, such as by means of an adhesive, or as will be described below. The profile bar has several purposes. Inter alia, it works as a splice surface for the door, and decreases heat filtration from the ambient air to the cabinet. It will be apparent from Figure 6, bar 23 has a basic transverse shape of a rectangle. The bar 23 comprises two gaps, or separate chambers 24, 25, one of which, i 24, is adapted to be filled with foam to prevent the entry of moisture from the outside, and is located closer to the inner sheet 9 than the other chamber 25. In an alternative embodiment, the first mentioned chamber is not full, ie, fills with air, while the ends of the bar are sealed. The other chamber 25 is not filled and is covered by an elongated, detachable cover member 26, preferably made of steel so as part of the magnetic lock by cooperating with a magnetic stripe on the door. The cover member 26 is substantially L-shaped in a cross-section and additionally covers an outer side 91 of the bar 23. On the opposite inner side 92 of the bar 23, the wall thereof extends through a flange, or to the protrusion , '93, which covers a portion of the inner sheet 9, and thereby covers the transition between the inner sheet 9 and the back wall of the bar 23, which is a hygienic solution. i Inside chamber 25, it is arranged. a support means, or support 27, elongated, and U-shaped in cross section, for a thermosiphon tube 28 as will be explained below. For the coupling of the profile bar 23, the foil 8 of the wall panel extends and inclines at a distance on the edge surface of the wall panel 8. The extended portion of the outer sheet 8 defines an elongated slot 29 in a sub-portion thereof, which is curved inwardly in the foam material 17. The back side of the profiled bar 23, on the other hand, is formed with an elongated rib 30, which extends the length of the bar 23 and fits in the slot 29. Accordingly, the profile bar 23 can be mounted securely, as well as air tight and moisture tight to the front edge of the bar. the wall panels by adhesion and press fit by the rib 30 in the slot 29.

The thermosyphon tube, or heat carrier tube, 28 is part of a condensation prevention device, which is a front frame heating system arranged to prevent condensation on cold surfaces near the door of the refrigerating appliance or in other areas of the refrigeration appliance where condensation may occur. In the illustrated embodiment, the tube 28 is closed in an infinite loop and located around the opening of the cabinet, as illustrated in Figure 7, where the cover member 26 has not yet been mounted. Due to the support 27 formed in U, it is easy to adjust the tube 28 to the support 27 adjacent to the outer corner of the profile bar 23, when the refrigerating appliance is assembled. After that, the member of cover 26 can be mounted by engaging an edge portion 94 of cover member 26 around the rear corner of outer side 91 of the profile bar and fitting a curved portion in opposite edge portion 95 of cover member 26 in a slot 96 of the profiled bar 23 inside the open chamber 25. In this way, the thermosyphon tube 28 will be located in contact with or at least waxy of the cover member 26 for heat transfer between the thermosyphon tube and the cover member. The thermosiphon tube 28 is filled with a suitable refrigerant and mounted in thermal contact with a heat source in the cooling module at the bottom of the cabinet or in any other hot location in the cabinet. The source of heat is typically the condenser tube or the compressor cover or, as in this embodiment, a metal capacitor plate 31, as illustrated in Figure 10, which forms the bottom of the cabinet and in which it is placed the condenser tube 32 in windings for increased cooling. The heat source can also be circulating hot air leaving the condenser or an electric heater. A boiler, see for example 176 in Figures 22a-22d, of the thermosiphon tube 28 is placed in the condenser plate 21. Due to the elevated temperature of the condenser plate, the Refrigerant in the thermosiphon tube 28 will absorb heat from the plate of capacitor 31, when the boiler passes, and, to a certain At the temperature level, the refrigerant in the boiler begins to evaporate and circulate in the tube. When the coolant arrives in the cooler areas around the door, the liquid condenses again, emitting heat to the parts of the room, so that condensation and possible frost is prevented between the door and the front frame of the cabinet. As soon as the refrigerant condenses, it flows back to the lower region of the cabinet and again absorbs heat from the condenser plate. There are many alternative shapes of the profile bar, one of which is shown in Figure 17. The profile bar 80, in accordance with this embodiment, is typically mounted on the longitudinal edge of the wall panel 66 in conjunction with the fabrication. thereof by means of the panel manufacturing method, as described above. In this alternative embodiment, an extended portion of the outer sheet 68 of the wall panel 66 was tilted so that a first sub-portion 70 thereof was inclined over the side wall edge and extended in parallel with the wall panel edge.; a second sub-portion, adjacent the first sub-portion and closer to the edge of the outer sheet 68, further inclined and extended rearwardly in parallel with the outer sheet 68; and finally a third sub-portion 72, which includes the edge of the outer sheet 68, extends in parallel with the first sub-portion 70 towards the I 4 inner sheet 69. The inner sheet, in turn, has an extended edge portion 73, which is inclined over a portion of the wall panel 66, and which is aligned with the third sub-portion 72. There is a space between the edges of the outer and inner sheets 68, 69. The cross section of the profile bar 80 is basically rectangular, and has a width corresponding to the distance between the second sub-portion 71 and the outer surface of the outer sheet 69, and a substantial depth corresponding to the distance between the first sub-portion 70 and the third sub-portion 72. Additionally, it has a T-shaped rib 81, which extends the length of the bar 80 and protrudes from a rear wall 82 of it, a! In addition, the bar comprises a flange 83 that extends along the bar 90 and also protrudes from the rear wall 82 thereof, but is substantially L-shaped and has a main portion. which extends in parallel with the rear wall 82 while defining a slot together with the rear wall 82. The edge portion 73 of the inner sheet 69 is received in the slot. Rib 81 and flange 83 ensure that bar 80 is properly attached to wall panel 66. Similar to the embodiment described above, the profile bar has two larger chambers. A chamber 84 is cured and filled with foam, or air and filled with ends The first chamber 85 is open, but the opening is covered by a metal strip 86 which acts as a cover for the chamber 85. In correspondence with the previous embodiment, the open chamber 85 is closed, as described above in conjunction with another embodiment. incorporates a thermosyphon tube 87.

I An additional embodiment of the profile bar 140 is similar to the profile bar 23 described above with reference to FIG. 6. Thus, for example, it has two chambers 142, 144, a U-shaped support 146 for receiving the thermosiphon tube. , and a first wing 148 on an inner side of the bar 140. However, for example, it differs in that it lacks the rib on the back wall of the bar, and has a second additional wing 149 disposed opposite the. first wing 148 on the outer side of the bar. The second wing 149 is arranged to cover an edge portion of the outer surface, and thus of an outer sheet, of a panel, and simultaneously the transition between the outer sheet and the bar 140. This bar 140 has a rear surface flat, which is preferably adhesively bonded to the edge surface of a panel.

There are many alternative ways of the condensation prevention device, or thermosiphon tube, and some are illustrated in Figures 22a-22d and 23a-23b. In that way, as shown in Figure 22a, the device Condensation prevention is constituted by a substantially rectangular heat carrier tube 160, which is arranged in a loop. It is arranged to be mounted on the front frame portion of a cabinet as described above. The loop comprises a lower section 162, a first vertical section 164, an upper section 166, a second vertical section 168, and an end section 170. It further comprises a boiler portion 172, which is connected between the end section 170 and the lower section 162, and are located at a lower point of the thermosiphon tube 160. In fact, the boiler portion has a first tube section 174 which is arranged to be mounted, to extend downwards, and into a cooling module placed under the cabinet. The boiler 176 / 'which is an enlarged section of the tube 160, that is to say, having a cross-sectional area greater than the rest of the tube 160, and which follows after the first section of tube 174, is placed in thermal contact with a source of heat in the cooling module, as explained above. From the boiler 176, a second portion of the tube leads up and out toward the lower section 162. The upper section 166 y! the end section 170 are slightly inclined, by an angle of only one or some degrees. The angle is more exaggerated in the figure, for purposes of illustration. Actually, these tube sections are arranged to stay within the thickness of the front edges of the top panel and the bottom panel of the cabinet, respectively. The inclination has the purpose of guiding, in the right direction, the heat carrier fluid that was transformed from the gaseous state to the liquid state during propagation through the tube 160. In the embodiment illustrated in Figure 22b, the boiler 176 is disposed on one side of the heat carrier tube 160. The loop comprises a lower section 162 arranged directly in the boiler i 176, a first vertical section 164, an upper section 166, a second vertical section 168 that is connected directly to the boiler 176. In this way, the heat carrier tube 160 may be disposed with some inclinations of the loop 160. In the embodiments illustrated in Figures 22c and 22d, the heat carrier tube 160 is disposed in relation to a refrigerating appliance having two (or more) compartments and is thus provided with separate openings to each compartment, see Figure 25. In the embodiment shown, Figure 22c, the loop 160 of the heat carrier tube is provided with a middle section 165 which makes a connection between the first vertical section 164 and the second vertical section 168 disposed under the upper section 166. The middle section 165 can be slightly inclined (not shown), by an angle of only one or some degrees. When the front opening of a refrigeration appliance, the middle section 165 is adapted to be placed on the front edge of the middle section 7. In the embodiment shown in Figure 22d, the condensation prevention device is divided into two separate heat-carrier tube loops. The first loop 160 is adapted to be arranged around a first opening in the refrigerator and a second loop 160 'is adapted to be arranged around a second opening in an upper section of the refrigerator cabinet illustrated in Figure 25. The two loops of the heat carrier tube 160, 160 'are in thermal contact with each other by a connecting means 167 in the second loop of heat carrying tube 160' so that the heat source for the second loop 160 'is the upper section 166 of the first loop of heat carrier tube 160. i In accordance with other embodiments, as shown in Figure 23a, the condensation prevention device 180, 190 is arranged as a one-way pipe having two closed ends. At one end a boiler portion 182, 192 is formed. As shown by the arrows in the figure, the gaseous heat carrier fluid 180, 190 rises through the tube, condenses in an upper portion of the tube 180, 190 , and it returns, in liquid state, to the boiler portion 182, 192 through it Í tube 180, 190. The modality illustrated in Figure 23b is arranged in relation to a refrigerating appliance having two (or more) compartments and thus provided with separate openings to each compartment, see Figure 25. The one-way tines 180, 190 are provided with an average section 180 ', 190 'to be arranged in relation to the middle section 7 that divides a cabinet into separate compartments. The mid-section portion 180 ', 190' may be slightly inclined, by an angle of only one or some degrees so that the cooling fluid can return downwardly to the boiler 182, 192 and not become trapped in the mid-section portion 180. ', 190'. The angle is too exaggerated in the figure, for purposes of illustration.

Reference is now made to Figures 8 to 13, as well as to Figures la and Ib for a more detailed description of cooling module 102, which is of a type of cooling referred to as dynamic wherein cold air is generated and then blown towards the cold compartment 104 of the apparatus 100 where the articles to be cooled are stored. By this design there is no need for any of the evaporator coils within the cold compartment 104, which facilitates the assembly of the refrigerating appliance from the modular units. The cooling module 102 is divided into a cold section 304 and a hot section 35, which are separated by a thermally insulating wall 105. The cold section 34 is substantially located in a half of the cooling module 102, while the hot section 35 is located adjacent to the cold section and also includes a lower portion of the cooling module 102, under the cold section 34. The cold section 34 supports, inter alia, an evaporator 33 and a first fan 32, which is mounted on a rear side of the evaporator 33, that is, a side facing the rear wall 4 of the refrigerating appliance 100 In addition, the cold section 34 incorporates an outlet air duct 43, which is connected to the fan, on a rear side thereof, and extends in a curved shape that emerges upwards, and an inlet air duct 44. , which extends from the rear end of the cooling module 102, where it is disposed adjacent the outlet air duct 43, to the front side of the evaporator 33. The first fan 42 gen it was a flow of air through the evaporator 34, which cools the air, and out through the outlet air duct 43 to go towards the cold compartment 104. The return air flows again from the cold compartment 104 towards the evaporator 33 through the inlet air duct 44, and / or through an inlet opening 44 at the front end of the cooling module 102. It should be noted that in a phosphorous apparatus which is a freezer having an individual compartment , typically i the front end inlet opening 45 is used, although in a refrigerator appliance having a refrigerator compartment and a freezer compartment the front inlet opening 45 is typically used by the freezer compartment and the inlet air duct 44 used by the refrigerator compartment. Inter alia, for the subject of air circulation, the refrigerator apparatus 100 is provided with a back wall liner 50, as shown in Figures 14 and 15. The back wall liner 50 comprises a sheet, which is placed in the interior of the rear wall panel 4 by means of, for example, press fit or adhesion, and which is curved outwards, i.e. towards the front of the cold compartment 104, preferably in the middle, thereby forming a space between the rear wall covering 50 and the rear wall panel 4. In an alternative embodiment, the rear wall covering of any shape is flat, although it is disposed at a distance from the rear wall panel, thereby forming the space. The liner 50 comprises a cold air duct 51, a hot air duct 52, the ducts 51, 52 of which are arranged in the space, the inlet air ventilation openings 53a, which are distributed through the lining 50 and are communicated with the cold air duct 51, and the exhaust air vent openings 53b, which are placed under the openings of inlet air ventilation 53a in a lower portion of the liner 50 and communicates with the hot air duct 52. In alternative embodiments, the air ventilation openings 53a, 53b are arranged differently or are connected differently to the pipelines of! cold and hot air 51, 52, respectively. The air ducts 51, 52 are concealed behind the cover sheet 50, in the space obtained between the curved portion outwardly thereof and the rear wall panel 4. The cold air duct 51 is coupled with the end of the outlet air duct 43, and the hot air duct 52 is coupled with the inlet air duct 44. 1 In this way, the air circulation is as follows. The cooled air flows from the evaporator 33, through the first fan 42, through the outlet air duct 43, the cold air duct 51 and the inlet air ventilation openings 53a into the cold compartment space 104. The air is distributed through the interior space of the cold compartment 104. Inside the cold compartment. 104 interior parts, such as shelves (not shown for reasons of clarity), contribute to a substantial extension to the guide and air mixing. The humidified and slightly heated air is forced out of the cold compartment 104 through the exhaust air vents 53b, through the exhaust duct. hot air 52 and the inlet air duct 44 back to the evaporator 33. Optionally, the front inlet opening 45 is also used for the humidified return air. However, the front inlet opening .45 is mainly used in the case of a refrigerating appliance having a refrigerator at the top and separated from a freezer, in which case, the front inlet opening 45 guides the air only from the freezer. to the cooling module 102.

There are alternative solutions to the circulation of air, including different arrangements of ventilation openings, coating formed in a different way or another solution for the distribution of air inside the cold compartment, a different arrangement of air ducts in the cooling module, etc. ., as understood by a person skilled in the art. In addition, a part of the heated air that is ventilated from the cold compartment can be released on the rear side of the refrigerator, in order to prevent condensation on the back of the refrigerator. However, the embodiment described herein and illustrated is advantageous and presently preferred.

The rear wall liner 50 has additional purposes in addition to providing opportunities for distributing cool air to, as well as extracting hot air out of the cold compartment 104 through the air ventilation openings 53a, 53b. For example, the back wall liner 50 may have an aesthetic purpose. Since the rear wall panel 4 is manufactured by the manufacturing method of this invention, it can I It will be difficult to vary the appearance of the interior surface and the back wall covering can also be used to cover any of the defects that may arise especially in the interior corners of the cabinet 101 during assembly. The back wall liner 50 can also be used for other kinds of installations such as a lighting and control means or for hiding wiring used for such parts, and may also be provided with shelf supports within the cabinet. In the illustrated embodiment, the shelf supports 59, which provide flexible placement of the shelves, are arranged in the interior side walls of the cabinet 101.

The cooling module 102 further comprises a hot section 35, which, inter alia, supports a compressor 36, which is connected to an outlet of the evaporator 33, and a condenser tube 32, which is connected to an outlet of the compressor 36, as well as an evaporator inlet, through a pressure reduction valve, as a common knowledge. The connections between the hot and cold sections 34, 35, are made through through holes appropriately sealed through the insulating wall 105. In addition, the hot section 35 supports a second fan 37, which is disposed at a front portion of the hot section 35, at the front of the compressor 36.

The compact cooling module 102 establishes strict requirements on the different solutions involved. One solution is related to the condenser tube 32. Despite the limited space, the condenser tube 32 has to be cooled efficiently. The condenser tube 32 has an extended length and is wound, in one or more layers, on a metal bottom plate 31 for improved cooling. The condenser tube 32 uses a part of the large area of the lower plate 31 as far as possible, whereby, inter alia, it extends partially under the cold section 34. This condenser tube, plate structure, is advantageous, inter alia, since no particular cooling projections were used, and since the general area of the cooling structure becomes large in relation to the volume occupied accordingly. During the operation, an air flow is extracted by means of the second fan 37 through an inlet opening 38 in the lower front portion of the cooling module 102, as best seen in Figure 1. The air flows from the opening inlet 38 on the lower plate 31, around the compressor 36 towards the rear portion of the cooling module 102, and is guided by means of curved vertical fins 39, disposed at a rear part | of the hot section 35, around a partition wall 40, so that the air flows in a direction towards, in and outwards, through an inlet opening 41 disposed side by side with the inlet opening 38 in the lower front portion of the cooling module 102. These openings 38, 41 are disposed under the door 6 of the refrigerating appliance 100. The wall divider 40 runs backward from the front wall 106 of the cooling module i 102, between the inlet and outlet openings 38, 41, over a distance, but leaves an opening for the passage of air towards the fins 39.

As is evident from the figures, and as described above, the cooling module 102 is well insulated around the evaporator 33 and towards the cold compartment 104 in order to restrict the thermal transmission between the hot section 35 of the cooling module 102 and the cold section 34 and the cold compartment 104, respectively.

In a refrigeration appliance where the cooling effect is generated by a cooling module in accordance with the autonomous type described here and illustrated, and is distributed by an air flow inside the cabinet, it is a desire to make the compact cooling module. In the illustrated mode, this results in that at least a part of the evaporator 33 is placed lower than an upper portion of the compressor 36. This has some negative impact on the defrosting system, i.e., the system that achieves the evaporator-heating. 33 for the melting of frost and ice added to it, the drainage of the resulting defrost water, and the evaporation of the defrost water. Typically, the defrost water evaporates from a container on the top of the compressor as the hot compressor liner heats the water. The water is guided by gravity from the evaporator to the container by means of a tube or the like. However, when the evaporator, at least partially, is placed lower than the compressor, this is not a possible solution. To solve this problem in the present embodiment, the capacitor is structured as a capacitor plate, which is also a lower metal plate 31 having a length of condenser tube, i.e., a cooling conduit 32 disposed in windings on the plate of condenser 31 for cooling purposes, as illustrated in Figure 10. In this way it is possible to let the defrosted drainage water flow outward towards the condenser plate 31 or, as in this embodiment, thus a water tray of 46 drain placed on top of condenser tube 32. This will take an effect of increased cooling of the condenser plate at the same time that the drainage water evaporates.

In a cooling module in accordance with a stand-alone type, as described and illustrated herein, the cooling is performed by dynamic cooling by which cold air is circulated to the refrigerator to cool the items that are stored in the cold compartment . The air is cooled as it passes through the evaporator 33 and the first fan 40 is used to extract the air through the evaporator 33. For the purpose of. increasing the cooling capacity of the cooling module 102, the shape of the evaporator 33 and the first fan 42 adapt to each other. In the illustrated embodiment, the evaporator 33 has a substantially quadratic transverse shape perpendicular to the air flow, with a maximum transverse dimension that is only slightly larger than the diameter of the fan. This is best seen from Figures 11 to 13. In this form, the dimensions of the evaporator 33 and the fan 42 will advantageously be adapted to each other so that the air flow is distributed substantially evenly over the transverse evaporator section. Therefore, the evaporator 33 will be used in an optimal way. Naturally, an evaporator that has a circular transverse shape will be the most optimal, and it is an alternative mode, but that It will probably lead to a more expensive evaporator. However, it will be understood that the evaporator can also be slightly rectangular. Generally, it is considered that the maximum width or height dimension of the evaporator should be less than 20% more than the diameter of the fan and preferably less than 10% more than the diameter of the fan. An evaporator which effectively operates has to result in that its overall dimensions can be reduced, which is always an advantage and especially for a cooling module as in this mode.

A refrigeration appliance of the dynamic cooling type, as in this mode, usually causes a considerable amount of frost and ice on the surface of the fins of the evaporator 33. The flow of air back from the cold compartment, in particular the I Cold compartment of a refrigerator, is relatively hot and humid and when this air is brought to the cold evaporator, moisture forms frost and ice in the evaporator. To prevent or at least reduce this problem, a pre-defroster plate 47 is disposed on the evaporator 33 in contact with it, as illustrated in Figure 13. The pre-defroster plate forms a bottom of the inlet air duct 44. The return flow of relatively hot and humid air from the cold compartment is transported to the other side of the pre-defroster plate 47 in relation to the evaporator 33, that is, on the upper side. This has to cause at least a large part of the moisture content of the air flow to condense and freeze on the pre-defroster plate before it reaches the evaporator 33 with a decreased risk of air flow being blocked to trlavés. of the evaporator 33 due to the deposit of frost inside the fin space of the evaporator 33. Additionally, it is possible to arrange the fins closer to one another, ie, the space is narrower, than without the pre-defroster plate 47 without obstruction of risky space frost. This, in turn, results in a smaller evaporator. As is evident from Figure 13, the evaporator 33, as well as the pre-defroster plate 47 is tilted down towards the front end of the cooling module 102. When the evaporator 33 is heated for thawing, which is normally performed automatically at appropriate intervals and typically performed by electrical heating, the defrosting water from the pre-defroster plate will flow forward and downward to a defrosting water collection plate 48, which is also visible in Figure 11 , together with the defrosting water from inside the evaporator. The collection plate 48 is placed slightly inclined forward, immediately below the evaporator 33 and is provided with a low flange along its edges and a hole 49 connected to a drain pipe 112 at its forward end. Through the drain pipe 112, the defrosting water will flow down to the drain water tray 46, as mentioned previously, placed in the condenser plate 31, so that the defrosting water can evaporate by means of heat from the condenser tube 32. In order to verify that the hot air of the hot section does not enter the cold section up through the drain pipe 112, it is provided with a non-return valve 113 illustrated very schematically in FIG. Figure 13 In accordance with an alternative embodiment of the cooling module, as shown in Figure 24, the pre-thaw defrosting device 150 comprises a first end 153 and a second end 155, wherein the air from the cold compartment passes the first end 153 before the second end 155, and wherein the first end is located at a distance from the main inlet to the evaporator 151. In other words, the pre-thawing device 150 covers a greater part of the upper surface of the evaporator 151 but not the entire top surface as the first mentioned mode of the pre-thawing device. With this, the air is allowed, after passing the device pre-defrost 150, enter the evaporator structure from the top of it, in addition to the front end of it.

During the defrosting of the evaporator 33, the heat filtration to the cold compartment 104 will normally be considerable due to air circulations in the air ducts 43, 44. With the evaporator in the very low position in the cabinet, as in this mode , this risk is even more evident due to the natural convection of the air. One way to restrict this heat leakage is to provide air shutters in the air ducts, which will close the air ducts during the defrosting periods. A disadvantage with such a solution is that it needs the provision of more moving parts, as well as the control equipment, which of course will increase the costs of the cooling module. Another disadvantage is a pressure drop through the air shutters also when they are fully open. However, the cooling module in accordance with the present embodiment will prevent, to a large extent, such heat filtration without any need for air shutters or the like. The reason for this will be explained below.

Before the defrosting period, the air circulation in the evaporator and the cold compartment decelerates when the fan 42 is stopped. When the Air, after a short time, will essentially stop circulating. The movements of air in the cabinet will be smaller and smaller. When the thawing period starts, the evaporator is heated to melt the ice and snow inside and on the evaporator, and if there is a pre-thawing device it will also melt the snow and ice on it. The air in and near the evaporator will also be heated, and the heated air expands and rises as it is lighter than cooler air. This will initiate a movement of hot air from the evaporator to the cold compartment. If too much hot air enters the cold compartment, the temperature rises and eventually this could damage the goods inside.

In order not to raise the temperature in the cold compartment too much, the evaporator 33 is kept in a restricted and well insulated space with relatively small inlet and outlet openings and corresponding air ducts 43, 44. The amount of air in this Restricted space is therefore very small. During use, the temperature in the elevator is lower than the lowest temperature in the cold compartment. The movement of air in the cold compartment mainly passes the outlet and the air duct 43. The air duct 43 has a relatively small cross section, the air duct has a smaller cross section compared to the cross section of the air duct. evaporator, and also small openings in the cold compartment, the cross section of at least one opening in the cold compartment is smaller than the cross section of air duct 43. Since the air has been stable for some time, there have been layers of air with different temperatures in the ducts, layers that are very stable. During the start of the thawing period, the temperature in the evaporator and the lower part of the air duct 43 will be lower than the temperature in the cold compartment. This cold air is heavier than the air in the cold compartment and will act as a lid. When the small amount of air heated from the evaporator attempts to rise in the air duct, the layers will prevent air circulation upwards. This effect is also improved due to the small openings in the cold cabinet.

; The fan can also be used to help prevent upward movement of air in the air ducts, since it is possible to use the fan to stabilize the air flow during defrosting. This is done by using the fan to minimize the amount of hot air left by the cooling module or to distribute hot air in a controlled manner so that it mixes with the cold air in the compartment so that the temperature in the cold compartment it does not rise to a level that affects the assets within the compartment. The use The fan can also be used in combination with shutters in the air ducts.

More particularly, according to the present invention there is provided a refrigeration appliance comprising a cooling module, and a cabinet, comprising a cold compartment, wherein the cooling module is disposed at the bottom of the refrigerator, where the module Cooling comprises a cold section and a hot section, which is separated from the cold section by an insulating wall, an evaporator arranged in the cold section, a compressor and a condenser arranged in the hot section, and wherein the cooling module comprises an air outlet to supply cold air from the cold section to the cold compartment and an air inlet that receives air from the cold compartment to the cold section. The refrigerating appliance is characterized in that the air outlet comprises an air duct having at least one opening in the cold compartment, the air duct extending axially in a vertical direction and arranged in such a way that the cold air The air valve provides a layer of air temperature that prevents the entry of heated air into the cold compartment during a period of defrosting the evaporator.

According to an additional mode, the air in the air duct has a lower temperature than the air in the evaporator during defrosting.

According to a further embodiment, the air duct comprises at least one, preferably three or more, openings arranged at different heights in the cold compartment.

According to a further embodiment, the air duct has a smaller cross section compared to the cross section of the evaporator.

According to a further embodiment, the cross section of at least one opening in the cold compartment is smaller than that of the cross section of the air duct.

According to a further embodiment, the cooling module comprises a fan to circulate the air through the evaporator, and the cold compartment, and during the defrosting of the evaporator, the fan stabilizes the air in the cooling module and the cold compartment so that the air circulation between the cooling module and the cold compartment is low.

The refrigerating appliance may allow the manufacture of a refrigerating appliance as a modular system, which is manufactured in separate modular units, to allow the modular units to be transported in an economical, space-saving manner, and to allow assembly of the modular units in a uncomplicated form in a complete refrigeration appliance near the place of use.

Thus, a refrigeration apparatus construction kit comprising a cooling module, a plurality of cabinet panels, including wall panels, for assembling in a cabinet, and at least one door is provided. Each cabinet panel comprises an inner sheet, an outer sheet and an intermediate layer of a foamed insulating material. Each cabinet panel has an interior surface, an exterior surface, and four edge surfaces. At least one of the edge surfaces of the at least one first wall panel of the wall panels is formed so that at least one of the outer and inner sheets comprises an edge portion extending beyond the edge surface of the wall. material i Foamed insulation and provide a coupling area for coupling to another cabinet panel.

In addition, a cabinet for a refrigeration appliance is provided, the cabinet of which was assembled from separate cabinet panels comprising two opposite side wall panels, a rear wall panel, a top panel, and a bottom panel, which are connected essentially perpendicular to each other by means of joints. At least the sidewall panels and the rear wall panel, each having an interior surface, an exterior surface and four border surfaces, and they comprise an inner sheet defining the inner surface, an outer sheet defining the outer surface and an intermediate layer of a foamed insulating material. At least one of the joints between the side wall panels and the rear wall panel is designed so that at least one of the inner sheet and the outer sheet of at least one first wall panel of the wall panels involved in the joint have an edge portion extending beyond the edge surface of the foamed material and provide a coupling area in which the second wall panel involved in the joining is joined.

By means of the construction kit and the cabinet, respectively, a connection that is economical and easy to make, provides stability to the cabinet, is air and moisture tight, is well insulated and presents an aesthetically pleasing appearance that can be obtained.

. Accordingly, by arranging an edge portion of the outer sheet of the wall panel to extend beyond the surface of the edge of the panel. In this way, the optionally extended outer sheet can be tilted over the edge surface, to completely or partially cover the edge surface of the wall panel, or projecting from the edge surface for use as an overlapping portion. In both cases, the edge portion provides the coupling area.

In accordance with the embodiments of the construction kit and the cabinet of the refrigerating appliance, the edge portion extends at an angle to the rest of the sheet and covers, at least partially, the edge surface of the foamed insulating material. For example, one of the wall panels involved in the joint has its upper sheet inclined on the edge surface while the outer sheet of the other wall panel is projected so that the sheet of projection overlaps the part inclined on the sheet .

According to the embodiments of the refrigeration appliance kit and the cabinet, at least a part of the coupling area between the two wall panels in the joint lacks any inner or outer sheet so that the wall panels are connected foam to foam in this part in order to prevent any thermal source between the inside of the cabinet and the ambient air.

In accordance with the embodiments of the refrigeration appliance kit and the cabinet, the outer sheet of the first and second wall panels in a joint, adjacent to each respective edge portion, is provided with an elongated slot formed of the outer sheet having curved shape in the foam material, and wherein the cabinet further comprises a connecting band, comprising two portions of parallel longitudinal ribs, which were inserted in one slot, each connecting the two wall panels together.

The slots are adapted to receive the respective elongated rib of the connection band, preferably of plastic, which is placed over the junction between the wall panels and joined by, for example, I adhesion, snap-fit coupling, screwing or a combination of these. The band improves the strength of the joint and is useful for securing the two panels close to one another when they are bonding together.

The refrigerating appliance can relate to the aforementioned problem associated with the condensation prevention device, and can provide a refrigeration appliance having a condensation prevention device easily mountable.

Thus, a refrigerating appliance, such as a domestic refrigerator or freezer, is provided, comprising a cooling module, a cabinet, the cabinet of which was assembled from separate cabinet panels comprising two opposite side wall panels, a wall panel rear, a top, and a bottom, which are connected essentially perpendicular to one another, for example, by means of joints and / or glue, a door, and, a condensation prevention device including a heat carrier tube which is placed in a frame portion front of the cabinet of the refrigerating appliance, preferably adjacent to a part of the door. The heat carrier tube is filled with a heat carrier fluid and is closed and has a boiler portion, which is disposed in thermal contact with a heat generating means of the cooling module for boiling the heat carrier fluid.

By providing the condensation prevention device as a separate unit, which is not interconnected with the cooling system of the refrigerating appliance, but has its own boiling portion which is simply arranged in thermal contact with a heat generating means of the heating module. cooling, it is easy to assemble the refrigerator as a whole and assemble the heat carrier tube. Additionally, these features can make mounting of the condensation prevention device more or less independent of the mounting of the cooling module. It should be noted that the heat generation means, for example, can be a compressor, a condenser or a condenser plate of the cooling module. For example, the heat carrier tube can be formed of different materials although a metal is preferred to achieve good thermal conductivity.

In accordance with one embodiment of the refrigeration appliance, the heat carrier tube is closed in a loop. Then the heat carrier medium is capable of circulate inside the tube without contact with another corresponding means of devices of the refrigerating appliance.

In accordance with one embodiment of the refrigerating appliance, the heat-carrying tube is a one-way pipe, having two closed ends. This mode provides even simpler solutions for condensation prevention.

In accordance with one embodiment of the refrigerating appliance, the cabinet comprises a profile bar, which is mounted on the front frame portion, for example, on the front edge surfaces of the cabinet panels, and which is provided with support means to receive the heat carrier tube. By providing the profile bar, and by providing the profile bar with the support means for preventing the heat carrier tube, the mounting of the heat carrier tube is further improved.

According to one embodiment of the refrigerating appliance, the heat-carrying tube is connected under pressure to the support means, which underlines the ease of assembly. However, other forms of coupling, such as adhesion or clamping, may also be conceivable.

·· In accordance with one embodiment of the refrigeration appliance, the support means are arranged in a recess of the profile bar, which verifies that no excessive space is used by the heat carrier tube between the portion of front frame and door. Alternatively, at least one side wall panel with a recess for receiving the heat carrier tube is provided.

In accordance with one embodiment of the refrigerating apparatus, when the heat carrier tube is mounted in the support means, it is covered by an elongated cover member, preferably a metal for good thermal conductivity. Preferably, the cover member is mounted with its inner surface in contact with or at least near the tube and the outer surface of the cover member is part of the surface of the front frame portion of the cabinet.

In accordance with one embodiment of the refrigeration apparatus, a condensation prevention device is provided comprising a heat carrier tube having a boiler portion, the heat carrier tube is filled with a heat carrier fluid and is closed. The condensation prevention device is arranged to be mounted on the front frame portion of a cabinet made of pre-foamed side wall panels, a rear wall panel, an upper part and a lower part.

In accordance with embodiments of the condensation prevention device, the heat carrier tube is closed in a loop, preferably in the form of a rectangle. The loop comprises a lower section, a first vertical section, one upper section, a second vertical section, and one end section. The upper section is inclined and / or the end section is inclined. With this, a self-circulation of the heat-carrying fluid inside the tube can be obtained, wherein the section / inclined sections improve the return flow of the heat-carrying fluid in the liquid state.

The refrigerator can provide an interface between the cabinet and the door, whose interface is capable of providing the desired functions.

Thus, there is provided a refrigeration appliance comprising a cooling module, a cabinet comprising two opposite side wall panels, a rear wall panel, an upper part, and a lower part, and a door. Each panel comprises an inner sheet, an outer sheet and an intermediate layer of a foamed insulating material. Each cabinet panel has an interior surface, an exterior surface, and four edge surfaces. The side wall panels, the rear wall panel, the top part, and the bottom part are assembled to form a cold compartment, which can be closed with the door. The refrigerator apparatus further comprises a profile bar, which is mounted on an edge surface of at least one of the panels. Preferably, the bar is mounted on the edge surfaces of a frame portion front of the cabinet.

In that way, a separate interface is provided consisting of the profile bar. The profile bar is manufactured separately from the cabinet panels and may be provided with different desired functions.

In accordance with one embodiment of the refrigerating appliance, the profile bar is made of a material, , i preferably a plastic material, which reduces the thermal bridge between the inner surface and the outer surface of the panels during the use of the refrigerating appliance. Consequently, the proper choice of material improves the properties of the refrigerating appliance, in particular when the outer and inner panel surfaces are made of metal.

According to one embodiment of the refrigerating appliance, the profile bar is attached to the edge of the panel by glue, for example, double-sided tape, which facilitates the assembly of the bar.

In accordance with one embodiment of the refrigeration appliance, the profile bar is in contact with the door when the door is closed, and is provided with support means for receiving a condensation prevention device. By means of this integration of support means for the condensation prevention device in the profile bar, the assembly thereof is simple.

In accordance with one embodiment of the refrigerating appliance, in the support means comprises a recess in which a heat carrier tube included in the compensation prevention device is received, and a cover member covering the gap. With this, a smooth frontal surface can be obtained.

According to one embodiment of the refrigerating appliance, the cover member is made of a first magnetic material, and the door comprises a band of a second complementary magnetic material. With this, the covering member and the cooperating band form a magnetic padlock that reliably keeps the door closed. In accordance with one embodiment of the refrigerating appliance, the profiled bar provides additional functionality by having a first chamber extending the length thereof, and a second chamber extending in parallel with the first chamber, wherein the first chamber supports the middle of the chamber. support and is covered by the cover member, and wherein the second chamber is located closer to the interior of the cabinet than the first chamber. The second chamber can be closed and filled with an insulating material, such as air or foam.

According to one embodiment of the refrigerating appliance, the bar comprises a wing extending over an edge portion of the outer surface of a panel.

Give that form, this wing covers an outer corner, and a portion of edge of the panel, which facilitates the cleaning of the refrigerator and increases the appearance of the same. Additionally, it protects the insulating material.

The refrigerator can provide a I refrigerating appliance where the problem of the shape of the evaporator is diminished.

In that way, a refrigeration appliance, such as a domestic refrigerator or freezer, is provided, which comprises a cabinet having a cold compartment and a cooling module. The cooling module comprises an air outlet that. supplies cooled air to the cold compartment, an air inlet that receives air from the cold compartment, an evaporator, and an evaporator fan, which generates a flow of air from the air inlet, through the evaporator, and into the outlet of air. The transverse form of the evaporator is adapted to the air flow so that the rate of the highest air velocity at the lowest air velocity is minimized through different portions of the evaporator. According to one embodiment of the refrigeration appliance, the cross section of the evaporator is very preferably square, although it works well a rectangular shape where a difference of the sides is less than 20%. This is the best approximation of the shape of the cross section swept by the fan of evaporator that is available without causing excessive costs. On the other hand, according to another modality, the cross section of the evaporator is circular, which nevertheless increases the costs.

; In accordance with one embodiment of the refrigerating appliance, the width of the evaporator advantageously corresponds to or is smaller than the swept cross-section i using the evaporator fan.

In accordance with one embodiment of the refrigeration appliance, the evaporator comprises a plurality of fin plates. The fin plates substantially increase the efficiency of the evaporator. By arranging a pre-defrosting device adjacent to the evaporator, so that the air is guided from the cold compartment by the pre-defrosting device before reaching the evaporator so that at least some moisture in the air from the cold compartment adheres to the evaporator. Pre-defrosting device, several advantages are achieved. For example, it takes more time before the evaporator becomes clogged with frost / ice or the fins can be placed closer together without causing any reduction in time between defrosting operations. By providing a greater number of fins, efficiency is further elevated.

It is possible to provide an automated manufacturing process for manufacturing the panels of cabinet Thus, there is provided a method for manufacturing panels for a refrigerator, such as a domestic refrigerator or freezer, comprising two side wall panels, a rear wall panel, a I upper part and a lower part joined to form a cabinet, wherein each panel comprises an inner sheet, an outer sheet and an intermediate layer of foamed insulating material. The manufacture of the panels comprises a continuous double-band foaming process and the steps of: feeding a top sheet and a bottom sheet from respective upper and lower sheet rolls at an inlet end of a sheet forming a foam application machine; holding the upper and lower sheets at a distance from each other while feeding from the inlet end towards an exit end of the machine; i profile each sheet, if desired, to a profile shape, distributing thermally insulating foam on the lower sheet surface in the space between the sheets; cure the foam, whereby a continuous band is obtained; cut the continuous band walled in cabinet panels, and .-- - control the cooling of the panels, so that the panel does not buckle.

By means of the method, it is possible to manufacture panels as a continuous process.

According to one embodiment of the method, the profile step comprises tilting an edge portion of at least one of the sheets relative to the rest of the sheet. With which different edge structures of the panels can be obtained for reasons of, for example, assembling or reinforcing the panel.

In accordance with one embodiment of the method, it also comprises at least one of: - Pre-prepare the sheets, before the distribution step, to prepare them for subsequent assembly of the separated parts; Y provide the sheets, before the distribution step, with fastening details.

This disadvantageous modality in that details will be incorporated arranged on or protruding towards the interior of the sheets in the subsequently applied foam.

According to another aspect, there is provided a method for manufacturing a refrigeration appliance, such as a domestic refrigerator or freezer, comprising panels manufactured in accordance with the method for manufacturing panels for a refrigerating appliance, comprising the steps of knowing a cabinet, and attaching a cooling module to the cabinet, wherein the step of assembling a cabinet comprises the Steps of : connect the two side wall panels and the rear wall panel with glue on most of the edge length of the rear wall panel or the side wall panel; Y Connect an upper part and a lower part to the side walls and the rear wall.

The refrigerating appliance can provide a refrigerating appliance that reduces the aforementioned problem that arises when the evaporator is at least partially disposed under the compressor.

Thus, there is provided a refrigeration appliance comprising a cooling module, and a cabinet, comprising a cold compartment, wherein the cooling module comprises an air outlet that supplies cooled air to the cold compartment, and an air inlet that receives air from the cold compartment. The cooling module is arranged in the lower part of the refrigerating appliance, and comprises a cold section, a hot section, which is separated from the cold section by a insulating wall, an evaporator arranged in a cold section, and a compressor and a condenser arranged in the hot section. The condenser comprises a condenser tube, i which is arranged in windings on, or is integrated with, a bottom plate of the cooling module.

Thereby a heat generating device, i.e., the condenser tube, is available at a lower level of the cooling module, which can be used for evaporating the defrosting water.

In accordance with one modality of the device i refrigerant, the cooling module comprises a drain water tray, which is disposed adjacent to the condenser tube, and which receives defrosting water from the evaporator. This is an advantageous way to use the heat generated by the condenser tube to evaporate the defrosting water, in combination with cooling the condenser tube efficiently.

According to one embodiment of the refrigerating appliance, the drain water tray is constituted by a portion of the lower plate. This is a simple embodiment of the drain water tray, where the basic structure of the cooling module is used. 1 On the other hand, according to one embodiment of the refrigerating appliance, the drainage water tray is constituted by a separate tray arranged in the upper part of the condenser tube.

In accordance with one embodiment of the refrigeration appliance, the cooling module further comprises a defrost water collection plate disposed under the evaporator, and a drain pipe extending from the defrost water collection plate to the water tray of drainage, and which guides the defrosting water to the drainage water tray. With this the defrosting water is collected and transported safely between the cold section to the hot section with minimal impact on the thermal placement between the sections.

In accordance with one embodiment of the refrigeration appliance, the condenser tube is disposed within the drainage water tray, whereby its heat is effectively transferred to the water.

! The refrigeration appliance may provide a solution to the post-assembly of parts, such as cables and air ducts, appropriately within the refrigerator.

In that way, a refrigerating appliance comprising a cooling module is provided; a cabinet comprising cabinet panels that include two opposite pre-foamed side wall panels, a wall panel i back prefoamed, a top part, and a bottom part; and a door. The cooling module includes the air outlet that supplies cooled air to the cold compartment, and an air inlet that receives air from the cold compartment. The refrigerator apparatus further comprises a back wall liner, which is disposed inside the pre-foamed back wall panel, and which forms a space between the lining of the back wall and the back wall panel.

The liner can be made as a separate part that is easy to assemble, and many post-mounted parts can be concealed in the space between the back wall liner and the back wall panel.

In accordance with one embodiment of the refrigerating appliance, the rear wall covering comprises an inlet air duct connected to the air outlet, and an outlet air duct connected to the air inlet, the ducts of which are arranged in space, the first air ventilation openings connected to the inlet air duct and the cold compartment, and the second ventilation openings connected to the outlet air duct and to the cold compartment. Thereby the rear wall covering is useful for arranging the circulation of air within the cold compartment in a desired manner.

In accordance with one embodiment of the refrigeration appliance, the rear wall covering is used to conceal cables running in space. In that way, additional coating functionality is provided.

That is the case for another embodiment as well, wherein the refrigerator apparatus further comprises electrical elements mounted on the rear wall covering. Such elements for example are a fan, lighting, a temperature sensor, and a motor.

In addition, according to one embodiment of the refrigerating appliance, it also comprises shelf supports arranged in the rear wall covering.

In accordance with one modality of the device I In the case of a refrigerator, the rear wall covering is attached to the rear wall by mechanical means, for example, press fit or compression fit. This solution provides an i quick and simple coupling.

The refrigerating appliance can provide a device for increasing the thermal efficiency as well as the cost efficiency of an evaporator and to avoid at least reducing the formation of frost and ice in the evaporator.

Thus, a refrigeration appliance, such as a refrigerator or freezer, is provided, comprising a cabinet having a cold compartment and a cooling module, wherein the cooling module comprises an air outlet that supplies cooled air to the compartment. cold, an air inlet that receives air from the cold compartment, an evaporator, and an evaporator fan, which generates a flow of air from the inlet air, through the evaporator, and out of the air outlet. The cooling module further comprises a pre-defrosting device, which is arranged adjacent to the evaporator, so that air is guided from the cold compartment by the de-icing device before reaching the evaporator, so that at least some of moisture in the air adhere to the pre-defroster device.

! Accordingly, by arranging a pre-defrosting device, which is in contact with or near the evaporator and / or the flow of cold air from the evaporator, allowing the flow of air back from the cold compartment to the pre-charge device. - defrosting, at least a part of the moisture contained in the air flow will condense and freeze in the pre-defrosting device before I reached the evaporator.

In accordance with one embodiment of the refrigerating appliance, the pre-defrosting device is arranged in thermal contact with the evaporator so that when the evaporator is heated to defrost the pre-thawing device it is also thawed.

Consequently, separate defrosting of the pre-defrosting device is not necessary.

In accordance with one embodiment of the refrigeration appliance, the pre-defrosting device includes a placa, and placed on top of the evaporator. This forms a lower wall that defines an air duct for the return air flow. However, the pre-defroster member may also have many other shapes, for example, as a circular or square tube surrounding the evaporator and / or the flow of cold air from the evaporator, to make the air flow of the evaporator. hot and humid return flow out around the tube before entering the evaporator.

In accordance with one embodiment of the refrigeration apparatus, air is admitted to pass through the pre-defrosting device, for example, by arranging it with spaced projections, or by making it from a porous material.; . From . according to one embodiment of the refrigeration appliance, the pre-thawing device comprises a first end and a second end, the air of the cold compartment passes the first end before the second end, and the first end is located at a distance from the main entrance towards the evaporator. This means that air is admitted to freely contact a higher portion of the evaporator, or to pass through a portion of the evaporator from above in addition to entering the evaporator from the main inlet end.

In accordance with one embodiment of the refrigeration apparatus the distance between the fin plates in the evaporator is between 2-10 mm, and preferably between 3-5 ram. These distances are rather small compared to what would be appropriate if the i had not been provided. pre-defrosting device.

'The refrigerator can provide a design of! Cabinet that has good stability and strength even though it has been assembled from separate parts.

Thus, a refrigerating appliance, such as a domestic refrigerator or freezer, is provided, comprising a cabinet and a cooling module, which cabinet comprises cabinet panels that include two opposite side wall panels, a back wall panel, and an upper part, which are connected essentially perpendicular to each other by means of mechanical and / or glue connections. Each cabinet panel comprises an inner sheet, an outer sheet and an intermediate layer, of a foamed insulating material, wherein each cabinet panel has an inner surface, an outer surface, and four edge surfaces. The cooling module comprises a cold section and a hot section, which are separated from the cold section by an insulating wall, an evaporator arranged in the cold section, and a compressor and a condenser arranged in the hot section. The cooling module comprises a lower part comprising support means, such as wheels and / or feet, and the surface The bottom edge of at least one of the side wall panels is attached to the bottom.

According to one embodiment of the refrigerating appliance, each of the side wall panels is glued with on the rear wall panel on a larger part of the vertical edge surface of the side wall panel or the rear wall panel. The bonds of glue that have a significant area in this way, distribute the voltages generated in the cabinet by thermal loads that occur during the use of the refrigeration appliance.

According to the embodiments of the refrigerating appliance, each junction between one of the side wall panels and the rear wall panel comprises a vertical elongated slot formed in one of the side wall panel and the rear wall panel, and a connecting band. arranged in the other and inserted into the slot so that the surface of I The vertical edge of the side wall panel or the rear wall panel is pressed against the inner surface of the rear wall panel or the inner surface of the side wall panel. The band-slot connection also reinforces the joints.

According to one embodiment of the refrigerating appliance, a reinforcement adjustment is attached at the front corner between the side wall panel and the top part, for example, for coupling a door hinge.

According to one embodiment of the refrigerating appliance, at least one of the pre-foamed side wall panels is manufactured by means of a method comprising a continuous double web foaming process, preferably also the rear wall panel.

In the figures and in the specification, preferred embodiments and examples of the invention are described. The characteristics and details described in the different modalities and examples are not limited to being used in that specific modality or example unless explicitly mentioned in that way. If not mentioned otherwise, the characteristics in one modality or example can therefore be used in another modality or example. It will also be apparent to one skilled in the art that various modifications are conceivable without departing from the invention as defined by the following claims.

It is noted that in relation to this date, the best method known to the applicant to carry out the aforementioned invention, is that which is clear from the present description of the invention.

Claims (17)

CLAIMS Having described the invention as above, the content of the following claims is claimed as property:

1. - A refrigerating appliance, such as a domestic refrigerator or freezer, comprising a cooling module, a cabinet, the cabinet of which was assembled from pre-foamed panels comprising two opposite side wall panels, a rear wall panel, an upper part, and a lower part, which are connected essentially perpendicular to one another, for example, by means of mechanical and / or glue joints, and a wall, characterized in that the cabinet comprises a condensation prevention device comprising a heat carrier tube which is placed in a front frame portion of the refrigerator cabinet, preferably adjacent to a part of the door, the heat carrier tube is filled with a heat carrier fluid, is closed and has a boiler portion , is arranged in thermal contact with a heat generating means of the cooling module to boil the heat carrier fluid.

| 2. A refrigerator appliance according to claim 1, characterized in that the heat carrier tube is closed in a loop.

3. - A refrigerating appliance in accordance with the claim 1, characterized in that the heat carrier tube is a one-way tube having two ends, each of which is closed.

4. - A refrigerating appliance according to any of the preceding claims, characterized in that the cooling module comprises a condenser, preferably the condenser comprises a condenser tube arranged in windings in a lower plate of the cooling module, arranged in thermal contact with the boiler portion of the heat carrier tube.

5. - A refrigerating appliance according to any of the preceding claims, characterized in that the cabinet comprises a profile bar, arranged in the frontal frame portion, for example, on the front edge surfaces of the cabinet panels, and comprises a means of Support to receive the heat carrier tube.

6. - A refrigerating appliance according to claim 5, characterized in that the heat-carrying tube is connected to the support medium under pressure.

7. - A refrigerating appliance according to any of claims 5 or 6, characterized in that the supporting means are arranged in a hollow of the profile bar, whose hollow can be closed by means of an elongated cover member.

. 8. - A refrigerating appliance in accordance with the I 83 claim 7, characterized in that the carrier tube of i heat is in contact with the cover member.

9. - A refrigerating appliance according to claim 1, characterized in that at least one side wall panel is provided with a recess for receiving the heat carrier tube.

10. - A refrigerating appliance according to any of claims 1 or 2, characterized in that the cabinet also comprises a middle section adapted to divide the! cabinet in more than one compartment and wherein the heat carrier tube is provided with a midsection adapted to be disposed at the front edge of the middle section.

11. - A condensation prevention device comprising a heat carrier tube having a boiler portion, the heat carrier tube is filled with a heat carrier fluid and is closed, characterized in that it is arranged to be mounted on a front frame portion of a cabinet made of pre-foamed side wall panels, a back wall panel, an upper part and a lower part.

12. - A condensation prevention device according to claim 11, characterized in that the heat carrier tube is closed in a loop, preferably in the shape of a rectangle.

13. - A condensation prevention device according to claim 12, characterized in that the loop comprises a lower section, a first vertical section, an upper section, a second vertical section, and an end section.

14. - A condensation prevention device according to claim 13, characterized in that the upper section is inclined and / or the end section is inclined.

15. - A condensation prevention device according to claim 11, characterized in that the! The heat carrier tube comprises at least one tube of a direction having two ends, each of which is closed, and preferably two one-way tubes having two ends, each of which is closed.

16. - A condensation prevention device according to any of claims 11-13, characterized in that the cross section of the boiler portion is larger than the cross section of most of the rest of the tube.

17. - A condensation prevention device according to any of the preceding claims, characterized in that the heat carrier tube is provided with a middle section and the front frame portion of a cabinet further comprises at least a middle section that divides the cabinet into more than one compartment.