DE102008042786A1 - Cooling device, particularly household cooling device, has cooling circuit provided with air duct for supplying of cooled air in cooling chamber, where cooling unit is thermally coupled in air duct in partial manner - Google Patents

Abstract

The cooling device has a housing (2), where a cooling chamber (7) is arranged within the housing. A cooling circuit is provided with an air duct for supplying of cooled air in the cooling chamber. A freezer (32) is arranged inside the cooling chamber. A latent heat storage unit is provided with a cooling unit which is designed for cooling the freezer. The cooling unit is thermally coupled in the air duct in a partial manner.

Description

The The invention relates to a refrigeration device, in particular Household refrigeration appliance.

The US 6,612,116 B2 discloses a household refrigerator, in the refrigerator a Frischkühlabteil is attached. The fresh-cooling compartment includes a housing mounted within the refrigerator compartment, a drawer disposed within the housing, and a thermoelectric element disposed within the housing which provides a controllable temperature flow for cooling the fresh-refrigerated compartment and is located in a chamber of the housing disposed behind the drawer.

task It is the object of the present invention to provide another refrigerating appliance, in particular domestic refrigeration appliance, at least one housing, one inside the housing arranged cooling space, at least one refrigeration cycle for cooling the refrigerator, at least one inside the refrigerator arranged cooling compartment and a refrigeration device for cooling the compartment.

The The object of the invention is achieved by a refrigeration device, in particular household refrigeration refrigerating appliance, comprising a housing, at least one within the Housing arranged refrigerator, at least one Refrigeration circuit, at least one in or on the housing arranged air duct for supplying from the refrigeration cycle cooled air into the refrigerator, at least one Refrigeration compartment located inside the refrigerator and at least one refrigeration device set up is to cool the compartment, using the refrigeration device at least partially disposed in the air duct and / or with the air duct thermally coupled. The refrigeration device according to the invention, the Z. B. as a household refrigerator in no-frost technology, in particular as a refrigerator or as a fridge freezer is executed, has the refrigeration circuit for cooling the cooling or cold room and in addition the refrigeration device for cooling the inside of the cold room arranged compartment. The refrigeration cycle includes z. B. an evaporator and a compressor. The subject is, for example a refrigerated compartment, especially for storing fruit or vegetables is provided, and may be due to the refrigeration device on one of the remaining refrigerator different, especially lower temperature. Thus it is especially possible, for. B. the temperature of the tray so to regulate that between -4 ° C and + 4 ° C lies.

According to the invention the refrigeration device, according to a Embodiment of the invention Refrigerating appliance has an electrothermal element, at least partially disposed in the air duct and / or with the air duct thermally coupled. This makes it possible for the refrigeration device at least partially from the cooled air of the air duct is cooled, creating one for the electrothermal Element necessary electrical power can be reduced. As a result, the electrothermal element can be made smaller which brings cost advantages. Electrothermal elements are z. B. Peltier elements.

To an advantageous variant of the invention Refrigeration appliance is the refrigeration device in a arranged in the region of the compartment opening of the Air duct of the refrigerator compartment wall separating at least partially arranged. The air duct is arranged on the housing or runs inside the case and can through the wall be separated from the fridge. At least because of partial arrangement of the refrigeration device in an opening of this Wall can save space in the refrigerator Refrigeration device according to the invention can be arranged and is still thermally coupled to the air duct. Also, there is the possibility of the refrigeration device arrange such that they the flow behavior of the Air ducts not or only barely changed.

If the wall after a convenient variant of the Refrigerating appliance according to the invention is fastened by means of fastening means on the housing, then is it is possible to use the refrigerator either as Refrigeration device according to the invention or as a refrigeration appliance without the compartment, by z. B. a wall without opening for the refrigerator is used. As a fastener z. B. screws or rivets are used. The wall can also be used with the case be clipped.

Becomes as a cooling device uses the thermoelectric element, so this particular has a warmer and a colder Page up. According to a variant of the invention Refrigeration appliance is the colder side of the thermoelectric element the cooling or cold room in the area of the compartment and the warmer side of the air duct facing.

For improved cooling, the refrigerator according to the invention can according to a further advantageous development coupled to the warmer side of the electrothermal element and the air duct facing or at least partially projecting first heat sink and / or thermally coupled to the colder side of the electrothermal element and in the area the compartment facing the cooling chamber or projecting into this second heat sink. According to this variant, the electrothermal element in the opening can be arranged in particular such that its thickness approximately in the wall thickness of the cooling chamber from the air duct tren has nenden wall. The arrangement of the two heat sinks and the thermoelectric element may preferably be designed so that they form a cold bridge whose thermal resistance is selected so that during normal use under standard conditions of the refrigerator according to the invention no additional electrical energy for cooling the second heat sink is required in that the cooled air of the air duct cools the second heat sink sufficiently for cooling the compartment via the first heat sink, which at least partially protrudes into the air duct or is thermally coupled to the air duct. For example, a Peltier element with a low overall height and with a sufficiently high number of individual thermocouples can be used for this purpose.

the second heat sink can be a particular speed controllable Be assigned to a fan, which is responsible for a cold air flow within the drawer. If the cold room by means of chilled air of the air duct cooled, then becomes also the first heat sink through the cold air flow cooled. To temper the compartment, the fan speed-controlled the air inside the compartment z. B. over an air duct (duct) over the second heat sink conduct.

The Tray may advantageously be substantially airtight from the refrigerator isolated and / or substantially thermally from the refrigerator be isolated. Is it the refrigeration device according to the invention around a fridge / freezer, then the tray opposite the refrigerator and freezer preferably substantially thermally isolated and / or largely airtight within the fridge freezer be arranged.

The Tray can then in particular a substantially airtight sealable Access device, e.g. B. in the form of a flap. The field of expertise can also be equipped with a drawer.

According to one further expedient embodiment the refrigeration device according to the invention is the compartment by means of a particular fasteners partition attached to the housing from the refrigerator compartment is essentially thermally insulated. As a fastener can z. As screws or rivets can be used. The partition can but also be clipped to the case or in suitable Guides force and / or positive z. During the installation of the refrigerator according to the invention be inserted.

To a further advantageous embodiment the refrigeration device according to the invention has this one disposed within the compartment first temperature sensor and a control device coupled to the first temperature sensor which is established due to the first temperature sensor originating signals to drive the thermoelectric element such that the temperature of the tray is a predetermined temperature, in particular is about 0 ° C, or the temperature the tray is within a predetermined temperature range, in particular between -4 ° C and + 4 ° C.

The Refrigeration device according to the invention can for a further appropriate development one coupled to the control device and the second Heat sink thermally coupled second temperature sensor , wherein the control device is set up due to from the second temperature sensor derived signals the thermoelectric To control element such that the temperature of the second heat sink a has predetermined temperature or the temperature of the second Heatsink within a given temperature interval lies. The control device can thus be used to control the temperature the subject z. B. to a preset temperature by a user serve. The control device can then also be used be the temperature of the second heat sink, d. H. of the thermally coupled to the subject heat sink to keep within a defined temperature range, in particular with the aim of keeping the moisture in the tray constant or within one certain humidity range. To z. B. at about 0 ° C of Compartment to keep the humidity in the range between 70% RH and 90% RH, should be the temperature of the second heat sink between -1.3 ° C and -4.2 ° C lie. The control device may then the electrothermal element and optionally the refrigeration cycle or the air flow in the air duct z. B. via a controller within the flap arranged air duct suitably influence or synchronously for Abtauzyklus also a defrost on the second heat sink Taxes.

Depending on the embodiment of the refrigerating appliance according to the invention, the following advantages may result in particular:
The compartment can be retrofitted; a slight temperature fluctuation, z. In the range of at most ± 0.2 K can be achieved within the subject; a relatively high, uniform high humidity in the compartment can be achieved; along with a relatively small variation in the temperature of the compartment, storage of food is improved over conventional air-cooled 0 ° C compartments.

other Further developments of the invention are in the subclaims played. The invention and its developments are described below explained in more detail by drawings.

It demonstrate:

1 schematically a household refrigerator in a perspective view,

2 a schematic side view of the household refrigerator of 1 in a cut view, and

3 a schematic detail view of the household refrigerator the 1 and 2 ,

Elements with the same function and mode of action are in the 1 With 3 each provided with the same reference numerals.

The 1 shows a household refrigerator 1 in perspective view as an example of a household refrigeration appliance. The 2 shows a side view of the household refrigerator 1 in a sectional view and the 3 shows a detailed view of the household refrigerator 1 ,

In the case of the present embodiment, the household refrigerator 1 designed as a refrigerator / freezer combination device in so-called "no-frost" technology. He has a housing 2 with a back wall 3 , two side walls 4 and a partition 5 inside, a freezer compartment 6 and a refrigerator compartment 7 an inner container IB are arranged. The freezer compartment 6 is from the fridge 7 through the horizontal partition 5 separated. The household refrigerator 1 further includes one on the housing 2 battered door 8th for closing the freezer compartment 6 and one on the case 2 battered door 9 for closing the refrigerator 7 ,

In the case of the present embodiment are in the refrigerator 7 several compartments F in the space between the predetermined height distance from each other staggered support grids or support plates 10 intended. On the support grids or support plates 10 refrigerated goods can be stored. The inner wall 11 the door 9 of the refrigerator 7 has door racks 12 on.

The household refrigerator 1 is implemented in "no-frost" technology and has a refrigeration cycle substantially known in the art for cooling the freezer compartment 6 and the refrigerator 7 on. In the 2 . 3 is only the evaporator of the refrigeration cycle 20 shown. Furthermore, the household refrigerator 1 a in the case of the present embodiment in the vertically arranged rear wall 3 recessed and substantially vertically extending air duct or cooling air duct 21 on, by means of a substantially vertically arranged partition 22 from the fridge 7 is separated. The air duct 21 is on the one hand with the evaporator 20 coupled and has one or more in the partition 22 sunken openings 23 (please refer 3 ), leaving from the evaporator 20 cooled air over the air duct 21 flows in and through the openings 23 in the partition 22 in the fridge 7 can get. In addition, it has the refrigerator 7 and the freezer compartment 6 separating, substantially horizontally arranged partition 5 one or more openings 24 on, through the air from the refrigerator 7 to the evaporator 20 can get to be cooled by this. While in the freezer compartment 6 Usually temperatures between -6 ° C and -23 ° C, preferably about -18 ° C, the refrigerator has 7 a temperature between 2 ° C to 8 ° C.

For controlling or regulating the temperature of the cooling space 7 has the household refrigerator 1 in the case of the present embodiment, a fan 25 (please refer 3 ), one in the air duct 21 arranged flap 26 and one in the fridge 7 arranged temperature sensor 29 (please refer 2 ), which with a control electronics 13 of the household refrigerator 1 are electrically connected in a manner not shown. The fan 25 is preferably in the range of the evaporator 20 provided to the evaporator 20 cooled air in the refrigerator 7 and in the freezer compartment 6 to lead. One for the freezer 6 emerging cold air flow is with arrows 27 and one for the fridge 7 emerging cold air flow is with arrows 28 clarified. So that the refrigerator 7 reaches and holds its target temperature controls the main control electronics 13 the fan 25 , a non-illustrated compressor of the refrigeration circuit and the flap 26 in a well-known in the art in a well-known manner. The flap 26 is provided, depending on the position of the air duct 21 to close or open to the arrows 28 indicated cold air flow of the refrigerator 7 to control, ie to control, and thus a certain temperature or a desired temperature range for the cold air flow in the air duct 21 adjust.

In the lower part of the refrigerator compartment 7 is in the case of the present embodiment in the 2 indicated by a dotted framing and in the 3 fresh refrigerating compartment unit shown in detail 30 arranged, which is a moisture or Frischkühlfach 32 includes. For this refrigerator compartment 32 is preferably one with respect to the cooling temperature of the upper portion of the refrigerator compartment 7 lower temperature desired to z. As fresh fruit and vegetables fresh as long as possible, ie without the risk of dehydration, to be able to store. The fresh fridge 32 is from the the refrigerator 7 and the freezer compartment 6 separating, lower partition 5 , the vertical, rear partition 22 of the air duct 21 as the back wall and the sidewalls of the interior container IB of the refrigerator compartment 7 limited and includes a horizontally extending, a thermally insulating material having upper partition wall 31 , This is in the case of the present embodiment by means of fastening means on the side walls of the inner container IB and the vertical partition wall 22 and / or the back wall 3 the inner container IB and / or the housing 2 attached. As fasteners z. B. screws 48 intended. The partition 31 but also with the side walls and the back wall 22 of the fresh food compartment 30 be clipped. The partition 31 is not enough to the door 9 with which the refrigerator 7 is closable, so that a gap or clearance between the front end side of the partition 31 and the inner wall of the door 9 remains in its closed position. In this way, the airflow 28 through the openings 24 the partition 5 from the fridge 7 to the evaporator 20 get to the local cooling.

In the case of the present embodiment, the fresh refrigerator compartment unit 30 in her fridge compartment 32 an upwardly open drawer DR with a bottom 33 , Side walls, a back wall 34 and one to the door 9 of the refrigerator 7 facing front wall 35 on. The drawer DR is z. B. provided to store fruits or vegetables and can with the door open 9 from the fridge 7 be at least partially pulled out.

The fresh fridge compartment unit 30 has in the case of the present embodiment, a z. B. made of plastic air duct flap 37 Generally speaking, the covering device has a gap between that of the door 9 facing end face of the partition 31 and the top edge of the front wall 35 the drawer covers DR when the drawer drains into the refrigerator compartment 7 is fully inserted. If the drawer DR with the door open 9 at least partially from the refrigerator 7 pulled, then pivots the air flap 37 via a guide, not shown, preferably upwards to facilitate access to the drawer DR.

In the case of the present embodiment, the refrigerating compartment 32 the fresh refrigerator compartment unit 30 by means of an additional, ie separate, separate control electronics 44 the fresh refrigerator compartment unit 30 connected cooling or cooling device cooled. The connecting lines between the control electronics 44 and the refrigeration device are in the 3 have been omitted for the sake of clarity of drawing. The additional control electronics 44 expediently has a communication link to the main control electronics 13 on. The refrigeration device has inside the air duct 21 , which represents a heat sink, a thermoelectric element, in particular at least one Peltier element 38 , in the area of the local position or altitude of the fresh refrigerator compartment 32 on. The Peltier element 38 is supplied in a manner not shown with electrical energy.

The Peltier element 38 is in one in the area of the fresh food compartment 30 arranged opening 39 the air duct 21 to the refrigerator 7 final vertical partition 22 arranged, the warmer side of the Peltier element 38 the air duct 21 and the colder side of the Peltier element 38 the refrigerator 7 is facing. Thermally with the Peltier element 38 coupled are two heat sinks 40 . 41 of which the first heat sink 40 inside the air duct 21 arranged and with the warmer side of the Peltier element 38 thermally coupled. The other, second heat sink 41 is inside the fresh food compartment 30 on the wall 22 arranged and with the colder side of the Peltier element 38 thermally coupled. The inside of the fresh food compartment 30 arranged, second heat sink 41 is further arranged inside the drawer DR when these are in the cold room 7 pushed. This includes the back wall 34 drawer DR one in the area of the heat sink 41 arranged opening. The two heatsinks 40 . 41 are, for example, as in the present embodiment, the case with each other and on the partition wall 22 screwed.

Inside the fridge 7 is in the rear of the fresh food compartment 32 and in particular in the area of the opening of the rear wall 34 the drawer DR (in the inserted state) in a manner not shown with the control electronics 44 connected fan 42 arranged. Here is the fan 42 in the rear of the fresh food compartment 30 at the rear wall, through the partition 22 is formed, hung up. He serves to that of the Peltier element 38 or from the heat sink 41 cooled air along arrows 43 inside the fresh air compartment 32 to circulate. In particular, the air from the interior of the drawer DR is in the direction of the fan 42 on the second heat sink 41 sucked too. To get there through the second heat sink 41 returning cooled air back to the drawer DR includes the fresh refrigeration compartment 32 in a manner not shown with the partition 22 and / or the partition 31 connected air duct 45 , The air guiding device 45 ends up with a depth offset in front of the front end edge of the partition 31 and the drawer DR such that a cooled airflow 43 from above through a front gap SF can flow into the drawer DR. In particular, it may therefore be appropriate in the rear wall 34 the drawer DR to provide one or more openings or breakthroughs so that through the fan 42 in the back of the refrigerator compartment 32 Air sucked from the drawer DR, in the area of the heat sink 41 cooled and over the Luftführungsvorrich tung 45 the drawer - here from above - can be fed again. It is thus an air circulation between the interior of the drawer DR and the heat sink 41 provided. In general, it may be appropriate, the air duct device partially or completely to and / or in the partition 31 , the dividing wall 22 , the dividing wall 5 , and / or at and / or in the drawer DR.

In summary, the control electronics 44 in this way with the Peltier element 38 and the fan 42 connected in order to control or adjust them to comply with a desired temperature range in the drawer DR accordingly. The designated control lines are in the 2 . 3 been omitted.

Of course it is also possible to use the fan 42 through a breakthrough or opening in the back wall 34 the Drawer DR in the interior of which protrude from the rear side.

Additionally or independently thereof may be the partition 22 facing side of the second heat sink 41 partly or completely the back wall 34 form the drawer DR or within the drawer DR such. B. on the inside of the rear wall 34 be arranged. It may also be possible that the back wall 34 the drawer DR in the area of the second heat sink 41 has an opening or a breakthrough, so that the second heat sink 41 in the refrigerator compartment 32 inserted drawer DR protrudes into this from behind.

In particular, the refrigerating compartment unit 30 considered in general terms as a thermoelectric refrigerator compartment module formed. This module can advantageously with its components factory in the refrigerator compartment of the inner container such. B. IB of the household refrigerating appliance, in particular household refrigerator, are mounted as an additional installation unit. By installing this additional refrigerator compartment unit, it is possible to equip or retrofit a standard inner container, which is provided for a variety of different household refrigeration appliance types, with an additional refrigerator compartment. This simplifies the production and storage, since it is sufficient to produce only one inner container basic type or a few types of inner container basic and keep in stock. In the present embodiment, this thermoelectric refrigerator compartment module in the 2 characterized by a dotted frame and the reference numeral 30 Mistake.

In summary, the refrigerator compartment unit comprises 30 between the upper partition 31 , the lower partition 5 , the two side walls 4 the inner container IB and the rear partition 22 in front of the ventilation duct 21 the front air flap or front flap 37 , the air guiding device 45 , the fan 42 , the heat sink 41 on the refrigerator compartment 32 facing inside of the partition 22 , the second heat sink 41 as a thermal coupling element to the Peltier element 38 that in the partition 22 in the cooling air duct 21 is arranged, as well as the Peltier element 38 , If necessary, the fan can 42 omitted if sufficient self-convection of the air exchange from the interior of the drawer DR to the heat sink 41 and over the air guiding device 45 returns to the drawer. Furthermore, if necessary, the air duct flap 37 omitted if to seal between the partition 31 and the front edge of the drawer DR these are designed to be flush or provided with corresponding sealing means.

In the case of the present embodiment, the main control electronics regulate 13 the temperatures of the freezer compartment 6 and the refrigerator 7 By turning the compressor of the refrigeration circuit, the flap 26 and the fan 25 according to pre-set target temperatures of the refrigerator 7 and the freezer compartment 6 controls. Further, the main control electronics control 13 optionally z. B. defrosting the household refrigerator 1 , The main control electronics 13 So it is not directly for the fresh fridge 32 responsible and therefore does not control the fan 42 of the refrigerator compartment 32 and the Peltier element 38 at. For controlling the temperature and humidity of the fresh food compartment 32 is rather the separate, in particular independent control electronics 44 provided the fan 42 and the Peltier element 38 due to the temperature sensors 46 . 47 originating signals and a set target temperature of the fresh cooling compartment 32 controls.

In the case of the present embodiment, it is provided, the temperature of the fresh refrigerator compartment 32 at 0 ° C and the humidity of the fresh refrigerator compartment 32 between 70% RH and 90% RH. In order to achieve this, it is expedient in the case of the present embodiment, the temperature of the in the fresh cooling compartment 32 protruding heat sink 41 between -1,3 ° C and -4,2 ° C. To achieve this, has the fresh fridge 32 with the control electronics 44 connected second temperature sensor 46 which is set, the temperature of the second heat sink 41 to measure, and with the control electronics 44 connected first temperature sensor 47 that is set, the temperature of the drawer 32 to eat. So it's the control electronics 13 . 44 possible, the Peltier element 38 , the fan 42 and the flap 26 in such a way that the tempera temperature and humidity of the fresh-food compartment 32 set as desired, in particular controlled or regulated. It receives the main control electronics 13 if necessary from the additional control electronics 44 Instructions to control the cooling behavior of the refrigeration circuit so that the refrigeration compartment 32 between the upper refrigerator 7 and the lower freezer compartment 6 indirectly by cold transmission over the partitions 24 and 31 is so proportionally co-cooled that, together with the direct, effective cooling capacity of the thermoelectric element, in particular Peltier element 38 , a desired total cooling capacity in the cooling compartment 32 results.

By means of the measuring signals of the interior of the drawer assigned, the first temperature sensor 47 and the second heat sink 41 associated second temperature sensor 46 controls the additional control electronics 44 possibly in communication with the main control electronics 13 the components of the refrigeration cycle and the thermoelectric element 38 in particular such that a condensation on the heat sink 41 so far avoided that a sufficient, desired moisture inside the drawer DR can be largely ensured.

For setting a desired cooling temperature in the cooling compartment 32 Thus, if considered generally, also receives the main control electronics 13 from the additional control electronics 44 Instructions to control the cooling behavior of the refrigeration circuit so that the refrigeration compartment 32 between the upper refrigerator 7 and the lower freezer compartment 6 in particular indirectly by cold transmission over the partitions 24 and 31 is so proportionally cooled that, together with the direct, effective cooling capacity of the thermoelectric element 38 a desired total cooling capacity in the cooling compartment 32 results.

• – Kostengünstige Kältevorrichtung für ein zusätzliches, nachrüstbares bzw. entnehmbares Kühlfach in einem Mehrzonen Kältegerät.
• – Dieses Fach benötigt keine feste Verbindung zum üblichen Kältesystem, so dass keine größeren Änderungen am Grundgerät erforderlich sind.
• – Insbesondere bei „NoFrost”-Geräten kann dadurch ein Fach mit hoher Luftfeuchte bereitgestellt werden, was zur Lagerung von empfindlichen Speisen wie z. B. von Gemüse wünschenswert ist.

Advantages of the various embodiments of the inventively embodied thermoelectric refrigerator compartment module may be in particular:

• - Cost-effective cooling device for an additional, retrofittable or removable cooling compartment in a multi-zone refrigerator.
• - This compartment requires no fixed connection to the usual refrigeration system, so that no major changes to the basic unit are required.
• - Especially with "NoFrost" devices can be provided by a compartment with high humidity, resulting in the storage of sensitive food such. B. of vegetables is desirable.

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - US 6612116 B2 [0002]

Claims (10)

Refrigerating appliance, in particular household refrigerating appliance, comprising a housing ( 2 ), at least one inside the housing ( 2 ) arranged cooling space ( 7 ), at least one refrigeration cycle ( 20 ), at least one in or on the housing ( 2 ) arranged air duct ( 21 ) for supplying from the refrigeration cycle ( 20 ) cooled air into the cold room ( 7 ), at least one inside the cold room ( 7 ) arranged cooling compartment ( 32 ) and at least one refrigeration device ( 38 . 40 - 42 ), which is set up, the tray ( 30 ), the refrigeration device ( 38 . 40 - 42 ) at least partially in the air duct ( 21 ) and / or with the air duct ( 21 ) is thermally coupled. Refrigerating appliance according to Claim 1, in which the refrigerating device ( 38 . 40 - 42 ) in one of the subjects ( 32 ) arranged opening ( 39 ) one the air duct ( 21 ) from the cold room ( 7 ) separating wall ( 22 ) is at least partially arranged. Refrigerating appliance according to claim 2, wherein the wall ( 22 ) by means of fastening means ( 49 ) on the housing ( 2 ) is attached. Refrigerating appliance according to one of claims 1 to 3, in which the refrigerating device is a thermoelectric element ( 38 ) having. Refrigerating appliance according to claim 4, in which the thermoelectric element ( 38 ) a the refrigerator ( 7 ) in the field of the subject ( 32 ) facing colder side and a the air duct ( 21 ) facing warmer side. Refrigerating appliance according to claim 5, comprising one with the warmer side of the electrothermal element ( 38 ) and the air channel ( 21 ) or in this at least partially protruding first heat sink ( 40 ) and / or thermally with the colder side of the electrothermal element ( 38 ) and in the field of 32 ) the refrigerator ( 7 ) facing or projecting into this second heat sink ( 41 ). Refrigerating appliance according to one of claims 1 to 6, in which the compartment ( 32 ) substantially airtight from the cold room ( 7 ) is isolated and / or the subject ( 32 ) substantially thermally ( 31 ) from the refrigerator ( 7 ) is isolated. Refrigerating appliance according to claim 7, wherein the compartment ( 30 ) by means of a particular fastening means ( 48 ) on the housing ( 2 ) fixed partition ( 31 ) from the refrigerator ( 7 ) is substantially thermally isolated. Refrigerating appliance according to one of claims 4 to 8, comprising one inside the compartment ( 32 ) arranged first temperature sensor ( 47 ) and one with the first temperature sensor ( 47 ) coupled control device ( 13 . 44 ), which is set up, due to the first temperature sensor ( 47 ) thermoelectric element ( 38 ) such that the temperature of the compartment ( 32 ) within a predetermined temperature range, in particular from -4 ° C to + 4 ° C, or a predetermined temperature, in particular of about 0 ° C, holds. Refrigerating appliance according to one of claims 6 to 9, comprising a with the control device ( 13 . 44 ) and with the second heat sink ( 41 ) thermally coupled second temperature sensor ( 46 ), wherein the control device ( 13 . 44 ) is set up, due to the second temperature sensor ( 46 ) thermoelectric element ( 38 ) in such a way that the temperature of the second heat sink ( 41 ) has a predetermined temperature, or the temperature of the second heat sink ( 41 ) is within a predetermined temperature interval.