EP2609380A2 - Kühlmöbel, insbesondere kühlregal - Google Patents
Kühlmöbel, insbesondere kühlregalInfo
- Publication number
- EP2609380A2 EP2609380A2 EP11751547.8A EP11751547A EP2609380A2 EP 2609380 A2 EP2609380 A2 EP 2609380A2 EP 11751547 A EP11751547 A EP 11751547A EP 2609380 A2 EP2609380 A2 EP 2609380A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- compressor
- condenser
- refrigerator according
- refrigerated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 201
- 238000005057 refrigeration Methods 0.000 claims description 17
- 239000011810 insulating material Substances 0.000 claims description 8
- 229920003051 synthetic elastomer Polymers 0.000 claims description 6
- 239000005061 synthetic rubber Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000012774 insulation material Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000004806 packaging method and process Methods 0.000 abstract description 5
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 239000003570 air Substances 0.000 description 62
- 239000003507 refrigerant Substances 0.000 description 22
- 230000008901 benefit Effects 0.000 description 17
- 238000009413 insulation Methods 0.000 description 17
- 238000002955 isolation Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000007788 liquid Substances 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 239000012267 brine Substances 0.000 description 4
- 239000002826 coolant Substances 0.000 description 4
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
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- 239000000428 dust Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
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- 238000011144 upstream manufacturing Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0439—Cases or cabinets of the open type
- A47F3/0443—Cases or cabinets of the open type with forced air circulation
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0482—Details common to both closed and open types
- A47F3/0486—Details common to both closed and open types for charging, displaying or discharging the articles
- A47F3/0491—Cooled shelves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/003—General constructional features for cooling refrigerating machinery
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/047—Water-cooled condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/06—Several compression cycles arranged in parallel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
Definitions
- Refrigerated cabinets in particular refrigerated shelves
- the invention relates to a refrigerated cabinet, in particular a refrigerated shelf according to the preamble of claim 1.
- a method and a device for improving the energy balance of cooling systems is known.
- the waste heat of the cooling unit is discharged to the outside air or to a hot water heater.
- a heat exchanger is connected, which is connected via a secondary radiator circulation system with an external cooler and / or a heating coil of a water storage.
- a cooling rack is known in which a compressor (42) and a condenser (44) outside the cooling rack on an upper cover and an evaporator (40) is arranged in the lower horizontal functional space.
- CONFIRMATION COPY to a comparatively large volume of the packaged refrigerated shelf. This results in increased transport costs for transport from the production to the place of use.
- the height of the cooling rack is increased by the arrangement of the compressor and condenser in the upper outer region of the cooling rack.
- the present invention seeks to provide a refrigerated cabinet, in particular a cooling rack of the type mentioned above with improved properties.
- An advantageous embodiment of the cooling rack according to the invention is characterized in that the condenser is at least partially disposed within the cooling rack in its upper region, and that the compressor is disposed within the cooling rack in its lower region.
- the invention is associated with a plurality of advantages.
- the arrangement of the compressor in the lower region within the cooling rack and the condenser above at least partially within the refrigerated shelf facilitates the packaging and transport of the refrigerated shelf, since no special effort in packaging at the place of manufacture is necessary and leads to a relatively small volume of the packaged refrigerated shelves. This results in no increased transport costs for transport from the production to the place of use.
- Advantageous embodiments of the inventive refrigerated cabinet are characterized in that, on the one hand, the condenser is thermally and / or acoustically isolated from the refrigerator compartment and / or, on the other hand, the compressor is thermally and / or acoustically insulated from the refrigerator compartment. This will bring the benefits of a improved efficiency and reduced noise and vibration emissions.
- FIG. 1 Further advantageous embodiments of the inventive refrigerated cabinet are characterized in that on the one hand the condenser is accessible from outside the refrigerator and / or that on the other hand the compressor is accessible from outside the refrigerator.
- This allows maintenance to be carried out on site without having to move the refrigerator from its location.
- the maintenance work can be carried out by a fitter, without the assistance of auxiliary persons for additional work (unloading of refrigerated goods, etc.) or to carry out this work himself.
- a further advantageous embodiment of the refrigerated cabinet according to the invention is characterized in that the condenser is arranged in a condenser compartment.
- This provides the advantage that the condenser is protected in the condenser compartment from damage and in addition the dimensions of the refrigerator are optimized.
- This facilitates the packaging and transport of the refrigerated cabinet and results in a comparatively small volume of the packaged refrigerated shelf. This results in no increased transport costs for transport from the production to the place of use.
- a further advantageous embodiment of the refrigerated cabinet according to the invention is characterized in that the condenser compartment is designed in such a way that it is detachably connected to the refrigerated cabinet.
- a further advantageous embodiment of the refrigerating appliance according to the invention is characterized in that the compressor is assigned a compressor housing arranged in the refrigerating cabinet.
- a further advantageous embodiment of the refrigerator according to the invention is characterized in that the compressor housing is detachably connected to the refrigerator.
- the compressor housing can be solved and thus direct maintenance work on the compressor or the piping can be performed without removing the compressor from the cooling rack.
- This advantage is also achieved in a further advantageous embodiment of the refrigerator according to the invention, which is characterized in that the compressor is accessible via the refrigerator.
- a further advantageous embodiment of the inventive refrigerated cabinet is characterized in that the refrigerated cabinet has a rear wall, and that the rear wall in the region of the compressor has at least one air outlet element. This provides the advantage that the compressor is cooled by a natural exchange of air with the outside air.
- a further advantageous embodiment of the inventive refrigerated appliance is characterized in that the compressor is assigned a ("third") fan device for its cooling, thereby achieving the advantage that the compressor is cooled by the outside air drawn into the compressor compartment by the third fan device This prevents heating that would reduce both the efficiency of the cooling operation and the life of the compressor.
- a further advantageous embodiment of the refrigerating appliance according to the invention is characterized in that a regulating element is arranged in the condenser compartment, which regulates a secondary circulating medium (for example brine) passed through the condenser. This improves the efficiency of the heat exchange.
- a secondary circulating medium for example brine
- a further advantageous embodiment of the refrigerated cabinet according to the invention is characterized in that a controller is arranged in a housing module, and that the housing module with the cooling cabinet is detachably connectable.
- a further advantageous embodiment of the inventive refrigerated cabinet is characterized in that the condenser compartment is assigned a first insulating medium, which consists of an insulating material, preferably based on synthetic rubber and / or a similar insulating material. This provides the advantage that the condenser compartment is thermally isolated from the cooled air.
- a further advantageous embodiment of the refrigerated cabinet according to the invention is characterized in that the compressor, in particular the compressor housing, a second isolation medium is assigned, which is also preferably based on synthetic rubber and / or a similar insulating material. This provides the advantage that the compressor is thermally and acoustically isolated from the refrigerator.
- An advantageous embodiment of the cooling rack according to the invention is characterized in that the cooling rack and at least one further cooling rack each have a cooling rack individual cooling device, and that the cooling rack individual Cooling devices have lines with which the cooling rack individual cooling devices can be connected to each other and / or at least one heat exchanger and in which media of different temperatures are transported. This achieves a number of advantages.
- the cooling furniture according to the invention is only to be connected to an electrical power supply and arranged on cooling units lines that serve the transport of one or two different coolant media are to be connected with corresponding pipes of another cooling cabinet and the heat exchanger or with the lines of two adjacent refrigeration units.
- a further advantageous embodiment of the cooling rack according to the invention is characterized in that the cooling rack and the further cooling rack are connected to exactly one common heat exchanger. This has the advantage that only one heat exchanger is provided for an arrangement of two or more cooling shelves according to the invention.
- a further advantageous embodiment of the refrigerated shelf according to the invention is characterized by the advantage of a modular design: the refrigerated shelf according to the invention can be integrated both in an arrangement with only one refrigerated shelf and in an arrangement with multiple shelves, with a single cooling rack either connected directly to a heat exchanger is or indirectly connected to the heat exchanger via a further cooling rack or more cooling shelves.
- the modular design makes it possible to change the arrangement in a simple manner. For example, as part of the heat exchange capacity, additional cooling shelves can be integrated in an arrangement; It is possible to replace individual refrigerated shelves, finally, for example, in times of lower demand and individual refrigerated shelves can be removed or deactivated.
- the line connections are identical, so that connection-identical cooling modules are created, which can be connected together in a simple manner to form an overall arrangement.
- a further advantageous embodiment of the cooling rack according to the invention is characterized in that the cooling rack and the further cooling rack are connected to a common - central - heat exchanger and / or with a device (HZ), which emits heat to the environment.
- HZ device
- the heat generated in the cooling rack or in the cooling device can thus be used in different ways: with the abovementioned device, the room temperature at the installation site can be purposefully increased if necessary.
- FIG. 1 is a perspective view of a refrigerated shelf according to the invention
- FIG 2 shows the cooling rack of Figure 1 with components and their interaction
- FIG. 3 shows a first, serial arrangement of a plurality of refrigerated shelves according to FIG. 1, and FIG.
- FIG. 4 shows a second, parallel arrangement of several refrigerated shelves according to FIG. 1.
- FIG. 5 shows the cooling rack according to FIG. 1 with an additional condenser compartment
- FIG. 6 shows the cooling rack according to Figure 1 with additional condenser compartment and a
- FIG. 7 shows the cooling rack KR1 as a detail of Figure 5 with the section of the upper
- Figure 8 is a plan view of the refrigerated shelf of Figure 1 with a controller and a condenser compartment.
- FIG. 1 shows an embodiment of a cooling rack according to the invention KR1 in a perspective view.
- the cooling rack KR1 is designed substantially cuboid; it is open on one side, the front, while it is closed at its back, at its bottom, at its top, and at its left and right sides.
- a vertical side wall element shown dark in FIG. 1 is shown, which is detachably formed.
- the cooling shelf In cooling mode, the cooling shelf is open at least on one side; the refrigerated goods are thus freely accessible in the cooling mode.
- the refrigerated shelf can be equipped with at least one detachable sidewall element and / or with at least one detachable front sidewall element.
- FIG. 1 For the storage of refrigerated goods (especially perishable goods such as food, cosmetics, medicines) are shown in Figure 1 in a refrigerator (goods receiving space) KRI M three horizontally mounted shelf elements RE1, RE2 and RE3 and the surface RE4 provided at the bottom of the cooling rack ,
- the area RE4 is approximately at the same height as the (lower) loading edge LK.
- the loading edge LK is due to the special design of the cooling rack, which will be described, advantageously only a few inches above the footprint of the cooling rack and thus allows to expand the cooling chamber in the lower portion of the cooling rack and thus to maximize.
- FIG. 2 shows an exemplary embodiment of the cooling rack KR1 according to the invention, which is connected to an external heat exchanger WT / HZ via two lines KR1 L1, KR1 L2 (in particular hose lines, possibly pipelines). With this external, central heat exchanger and other refrigerated shelves (KR2, KRN in Figure 3) can be connected.
- the cooling rack KR1 and the heat exchanger WT are located at two different locations, which are separated by a room divider or a wall WD.
- the heat exchanger WT can be arranged in the immediate vicinity of the cooling rack KR1, for example on its upper side.
- FIG. 2 The embodiment shown in Figure 2 in section of a cooling rack KR1 according to the invention has a cooling space KRI M, which is shown in Figure 2 without the shelf elements RE1, RE2 and RE3 shown as an example in Figure 1.
- the functional space FR has a vertical subspace VR and an upper and a lower horizontal subspace HR1, HR2 HR2, VR, HR1 form a channel for cooled air KL and for heated air WL.
- a compressor KOM is arranged in the lower region of the vertical subspace VR and in the upper region of the vertical subspace VR an evaporator VERD is arranged.
- a condenser VF Externally on the rear wall of the cooling rack KR1 is a condenser VF, which is connected via two pipes KR1 L1 and KR1 L2 with the heat exchanger WT / HZ.
- a first medium M1 in particular water with a glycol additive
- a second medium M2 which may be equal to the first medium M1
- the medium M1 typically has a temperature T1 in the range of about 10 ° to about 55 ° Celsius
- the medium M2 typically has a temperature T2 in the range of about 15 ° to 60 ° Celsius.
- Line connections of the two lines KR1 L1 and KR1 L2 and corresponding line connections to corresponding lines of the heat exchanger WT / HZ are shown in FIG.
- the compressor KOM is connected to an electrical power connection NA via an electric cable.
- a plurality of openings are provided, through which cooled air KL flows into the cooling space KRI M. Cooled air KL also flows through the upper horizontal subspace HR2 to an air outlet LA at the front of the cooling rack (left in the sectional view in FIG. 2).
- a first fan device VT1 At the front of the cooling rack KR1 (left in the sectional view in Figure 2) is located at the air outlet LA, a first fan device VT1, in particular a fan, which leads the cooled air KL in the cooling space KR1 M.
- the blower device VT1 forms a cooling air curtain between upper and lower portions of the cooling rack. This cooling air curtain forms a thermal insulation of the cooling chamber relative to the ambient air.
- the cooled air discharged by the blower device can also be directed specifically to each region of the cooling space and in particular to the area provided for the storage of the cooling goods.
- the first blower device can be arranged in the rear region of the cooling rack, there in the functional space FR.
- the blower device can also be arranged below the evaporator VERD and thus cause a compression of the air through the evaporator. If the blower device, unlike shown in Figure 2, arranged above the evaporator, air is sucked through the evaporator.
- the guide device in particular a metal sheet, which is arranged at least from the upper edge of the evaporator VERD downwards in the direction of the interior space up to the height of the loading edge, causes cold to fall on the rear wall of the cooling space.
- the guide (sheet metal) separates warm and cooled air. This guide causes cooled air to pass through the slotted rear wall, which is provided with openings or slits, into the cooling space, even below the evaporator.
- the aforementioned cooling air curtain forms a thermal insulation of the cooling chamber relative to the ambient air.
- the cooled air discharged from the first blower device can be directed to each area of the cold room and in particular to the area provided for the storage of the refrigerated goods.
- an air inlet LE and a second blower device VT2, in particular a fan At the front of the cooling area KR1 is located in the lower region at the loading edge LK an air inlet LE and a second blower device VT2, in particular a fan. On the one hand, it draws in cooled air, after it has traveled or after warming up in the cold room ("warm air WL"), and on the other hand it sucks in cooled air, which undesirably reaches the cooling shelf in the lower area lower subspace HR2 of the functional space FR and in the vertical subspace VR of the functional space FR out.
- warm air WL cold room
- the second blower device VT2 It is achieved with the second blower device VT2 that at best a small amount of cooled air exits the cooling space and reaches the area below in front of the cooling space. Unlike in FIG. 2, the second blower device can also be arranged in the rear region of the cooling rack, there in the lower as well as in the upper region.
- the cooled air after its travel or after warming up in the cooling space ("warm air WL"), is guided through a negative pressure into the air inlet LE, in which respect the second blower device VT2 is unnecessary.
- the loading edge LK is advantageously only a few centimeters above the standing surface of the cooling rack. This is achieved in that no component of the cooling rack individual cooling device (evaporator, condenser, compressor) is provided in the lower subspace HR2 below the cooling space KRI M.
- the lower subspace HR2 is used only as a channel for the heated air WL; the cooling device, including the evaporator, is arranged outside the cooling rack in relation to the embodiment shown in FIG. 2, in particular the cooling device (evaporator, condenser, compressor) is arranged above on the cooling rack or on a non-open side of the cooling rack.
- the cooling device evaporator, condenser, compressor
- the cold room is extended to the lower portion of the cooling rack and thus maximized.
- FIG 3 shows a schematic representation of an arrangement of a plurality of serially connected cooling racks KR1 KRN, which are connected to a common (central)
- Heat exchanger WT / HZ are connected.
- the individual refrigerated shelves KR1 KRN can be arranged directly next to one another at the installation site, ie without an intermediate spacing, or alternatively with an intermediate spacing.
- the refrigerated shelves KR1, KRN are connected in series: the failure of a refrigerated shelf, e.g. KR4, does not lead to failure of the refrigerated shelves KR1, KR2, KR3, KR5, KRN; the lines of a failed cooling rack allow even after the failure continues to transport the media M1, M2 between the heat exchanger and the non-failed refrigerators, in one direction.
- Each refrigerated shelf (e.g., KR1) has a refrigerated shelf individualized cooler (e.g., KR1 KE with evaporator VERD, condenser VF, compressor COM)) having a first line KR1 L1 and a second line KR1 L2.
- a refrigerated shelf individualized cooler e.g., KR1 KE with evaporator VERD, condenser VF, compressor COM
- KR1 L1 L12 At the ends of the lines KR1 L1, KR1 L2 there are line connections KR1 L1 1, KR1 L12; KR1 L21, KR1 L22 corresponding to line terminals (WTL1, WTL2, KR2L1 1, KR2L21) of units (e.g., WT / HZ, KR2) adjacent to the respective refrigerated rack (here: KR1) in the arrangement.
- the line connections are in particular identical, for example so-called quick-release coup
- the refrigerator KR1 is thus configured in the following manner:
- the cooling-rack-internal cooling device KR1 KE is connected to a first line KR1 L1 for transporting a first medium M1, which has a temperature T1 of a first temperature range, and for connection to the heat exchanger WT;
- the refrigeration cabinet internal cooling device KR1 KE is further connected to a second line KR1 L2 for transporting a second medium M2, which has a temperature T2 of a second temperature range, and for connection to the heat exchanger WT;
- the first line KR1 L1 has a first line connection KR1 L1 1, which corresponds to a line connection WTL1 of the heat exchanger WT and / or to a first line connection KR2L1 1 of a further cooling rack KR2,
- the first line KR1 L1 furthermore has a second line connection KR1 L12, which corresponds to a second line connection KR2L12 of the further cooling shelf KR2,
- the second line KR1 L2 has a first line connection KR1 L21, which corresponds to a line connection WTL2 of the heat exchanger WT and / or to a first line connection KR2L21 of the further cooling rack KR2.
- the second line KR1 L2 has a second line connection KR1 L22, which corresponds to a second line connection KR2L21 of the further cooling rack KR2.
- FIG. 4 shows, in a schematic representation, an arrangement of a plurality of cooling racks KR1, KRN connected in parallel with one another and having a common (central)
- Heat exchanger WT / HZ are connected.
- the "first" line and the “second” line of the condenser "only” has a line connection, to a continuous line leading to the heat exchanger.
- the illustrated cooling racks KR1, KRN dissipate the heat energy via the condenser VF1, VFN connected in parallel.
- a control variable in particular the condensing pressure in the respective refrigeration cycle (primary circuit) is used.
- the condensing pressure is kept almost constant, depending on the medium (brine) temperature.
- a secondary circuit which includes the heat-dissipating portion of the heat exchanger, energy is released and by means of a control valve, the flow is regulated.
- the controlled variable in the secondary circuit is in turn the condensing pressure.
- the volume flow in the control valve is regulated.
- the heat energy is used via the common (central) heat dissipation.
- Closing valves are preferably provided on the heat exchanger which, in the event of servicing, make it possible to close the heat-dissipating area in order to keep the brine medium in the heat exchanger during service.
- the illustrated parallel circuit is characterized by the advantage that in case of failure of a refrigerated cabinet, thedeffenfluß from or to the heat exchanger practically unchanged from the "non-failure.”
- the coolant flows in this parallel Arrangement - in contrast to the serial arrangement of Figure 3 - not consecutively, so not “in series” by multiple condenser several refrigerated cabinets.
- a cooling rack-individual cooling device KR1 KE can also be assigned at least two cooling racks KR1, KR2 in the arrangements according to FIGS. 3 and 4.
- FIG. 5 shows an embodiment of the cooling rack KR1 according to the invention in section.
- This has a condenser compartment VFA in the upper horizontal subspace HR1 and a compressor compartment KOA in the lower vertical subspace VR.
- the condenser compartment VFA is located at least partially, possibly also in the upper compartment HR1.
- upper outer area AB is the controller ST of the refrigerator, which is preferably arranged in a housing module, which is detachably connectable to the cooling rack.
- the housing module can thus be separated from the cooling shelf during transport of the refrigerated shelf from the production to the place of use, where it is introduced at the place of use in the cooling rack and thus electrically connected thereto.
- a portion of the evaporator VF which is also arranged in the horizontal subspace HR1
- the compressor compartment KOA with a compressor housing KOMG and a second isolation medium IS02, the associated compressor COM and at least one air outlet element LAE.
- the compressor compartment KOA located in the lower part of the vertical subspace VR of the cooling rack KR1.
- the compressor compartment KOA consists of the compressor housing KOMG, which is connected to a lower housing outer wall GAO and a rear rear wall RW of the cooling rack. It picks up the compressor KOM; the rear wall has at least one air outlet element LAE in the region of the compressor KOM.
- the Kompresorgenosuse KOMG is detachably connected to the cooling rack; if this is removed, the compressor KOM is accessible from the front via the refrigerator KRI M.
- the shelf elements RE1 (FIG. 1) and the air outlet elements LAAE (FIG. 1) are detached from the refrigerated rack KR1, the exposed compressor housing KOMG is released from the lower housing outer wall GAO and the rear wall RW and removed, thus working directly on the refrigeration system and on the compressor can be made without having to remove the device from the composite.
- Refrigerant lines KML lead from the compressor KOM through the compressor housing KOMG via line feedthrough LTD, in the direction of the upstream evaporator VD and condenser VF.
- the compressor housing KOMG prevents the thermal exchange of outside air AL and heated air WL.
- the second insulating medium IS02 thermally and acoustically isolates the compressor KOM from the cooling space KRI M; it has the task of thermally isolating heated air WL and outside air AL from each other, in addition to the compressor housing KOMG.
- the second insulating medium IS02 is, for example, attached to the top and front, inside the compressor housing KOMG.
- the insulating medium IS02 out at least one self-adhesive foam element and / or or at least one insulating panel consist.
- the compressor housing KOMG can be equipped with an insulating coating, partially or in total, inside or outside.
- the compressor housing KOMG and the second insulation medium IS02 thus form a structural unit.
- Compressor KOM is attached to the lower housing outer wall GAO.
- the air outlet element LAE is designed in the form of a cover element with outlet openings, which represents the completion of the compressor housing KOMG on the rear wall RW of the cooling rack KR1.
- a third blower device VT3 can additionally be arranged inside or outside the cooling rack.
- the cooling rack can be configured without the aforementioned air outlet element LAE.
- the condenser compartment VFA is located at least partially in the upper horizontal compartment HR1. It consists of a condenser VFG the condenser VF, in particular a plate or shell and tube heat exchanger, refrigerant lines KML in liquid communication with the evaporator VF, the compressor KOM is called a primary circuit PK.
- the condenser VF is in thermal communication with a secondary circuit SK.
- This comprises a first line KR1 L1 with a control element RE, which leads the secondary Vietnamese (eg brine-liquid) to the heat exchanger WT / HZ ( Figure 2), and a second line KR1 L2 (not shown in Figure 5, see also the Arrow to the right), which returns the secondary circuit medium to the condenser VF.
- the condenser compartment VFA and the condenser housing VFG introduced into the upper horizontal subspace HR1 are designed as described above for the compressor housing KOMG and prevent the thermal communication between outside air AL and the cooled air KL.
- the shape of the condenser housing VFG is trough-shaped in the embodiment shown in FIG. 5, but the condenser compartment VFA can also be configured in other forms.
- the condenser compartment VFA is for example integrated into an existing insulation element ISOE, in particular a sandwich panel, with a first insulation medium IS01. worked, as will be described with reference to Figure 7. It can be configured as an independent condenser housing VFG, in particular of a tub bent from steel sheet, which is integrated or inserted into an insulation element ISOE.
- the entire insulation element ISOE can be manufactured with the condenser compartment VFA as one component.
- the first insulation medium IS01 which is located in the condenser compartment VFA, is integrated in the component and does not need to be additionally inserted.
- the controller ST of the cooling rack communicates with the cooling rack individual cooling devices KR1 KE in the primary circuit PK, in particular the compressor KOM, a first fan device VT1, the control valve RV, control element RE and the pressure sensor DA2, which measures the condensing pressure and arranged in the suction region of the compressor KOM pressure sensor DA1, which measures the pressure at the intake manifold.
- the control element RE arranged in the secondary circuit SK after the condenser VF regulates the flow of the so-called secondary circuit medium, which in particular is a brine, through the condenser VF.
- the control of the control element RE via the condensing pressure in the primary circuit PK.
- the control element RE can be controlled mechanically or electrically via the pressure sensor DA2 and the controller ST and leads via the first line KR1 L1 to the heat exchanger WT / HZ (FIG. 2) and via the second line KR1 L2 back to the condenser VF.
- the exemplary embodiment shown in FIG. 6 is a variant of the first cooling rack KR1 according to FIG. 5.
- the condenser compartment VFA is protected from dust and dirt by a cover element AE.
- the condenser VF and other cooling rack individual cooling devices KR1 KE are also at least partially disposed in the upper horizontal subspace HR1 and protected by the cover element AE.
- the cover member AE is in particular as a cover, one or more parts, in a different shape and designed so that it has a covering surface which is larger than the surface of the condenser compartment VFA. It can be fastened in particular releasably by means of screws on the first insulating element IS01.
- the cover member AE can also cover the controller ST at the same time; Alternatively, another, not shown in Figure 6 cover member may be provided which covers only the controller ST.
- the Abdecklelement AE has, for example, additional openings that allow an exchange of air between Vertexerabteil VFA and outdoor area AB.
- the condenser VF is designed, for example, as a plate heat exchanger.
- a collector KOL is additionally installed in the primary circuit PK.
- the refrigerant passes from the upper horizontal compartment HR1 to the collector KOL.
- This collector KOL is formed as a container with top and bottom openings connected to the refrigerant lines KML1 and KML2.
- the collector KOL is connected through an upper opening with the refrigerant line KML1 and from below with a refrigerant line KML2 protruding into the collector KOL.
- This collector KOL is acted upon by the refrigerant KM and jams the refrigerant KM as a kind of buffer until it reaches the height of the top edge OBK of the coolant line KML2 projecting into the collector KOL.
- the upper edge OBK of the lower refrigerant line KML2 causes an overflow of the refrigerant and thereby a continuous feed of the evaporator VERD by liquid refrigerant KM
- FIG 7 shows a further variant of the cooling rack KR1 shown in Figure 5 as a detail with the section through the upper portion of the cooling rack KR1.
- the upper horizontal subspace HR1 is subdivided into a lower area which carries cooled air KL and discharges it to the goods space KR1M at the air outlet opening LA, and the overlying area which contains the isolation element ISOE with integrated condenser compartment VFA.
- insulation element ISOE with integrated condenser compartment VFA is shown in the upper horizontal subspace HR1.
- the insulation element ISOE is designed as a so-called sandwich plate and described in the following.
- the air flow of the cooled air KL is described in detail in FIG.
- the condenser compartment VFA in particular conventional sandwich panels with thicknesses of at least 4 cm are used. These sandwich panels, which consist of an outer wall AW and an inner wall IW made of rigid material, such as in particular steel, wood, plastic or composite materials and an intermediate insulating material IS, in particular polyurethane. From the insulation element ISOE, the outer wall AW and the insulating material IS are removed in the area of the condenser compartment VFA until, in this area, only the inner wall IW exists. This inner wall IW serves as a fastening for the cooling rack individual cooling devices KR1 KE.
- an insulation medium IS01 is used in particular on the sides and on the floor, as already described with reference to FIG. 5 in connection with the compressor housing KOMG in the case of the second insulation medium IS02.
- controller ST at least partially sunk into the upper horizontal subspace HR1.
- FIG. 8 shows an exemplary embodiment of the cooling rack KR1 according to the invention in the form of a plan view.
- FIG. 8 shows the insulation element ISOE with the control ST and a condenser compartment VFA embedded in the insulation element ISOE.
- the construction of the condenser housing VFG and the first insulating medium IS01 corresponds to the embodiment of FIG 5.
- the arranged in the condenser compartment VFA cooling shelf individual cooling devices KR1 KE are in the primary circuit PK, the second pressure transducer DA2, the condenser VF, the filter element FT and the obturator AO.
- the refrigerant lines KML of the primary circuit PK are guided through line feedthroughs LTD into the vertical subspace VR and connected to further cooling rack individual cooling devices KR1 KE.
- the complete primary circuit PK of the refrigeration cycle is already shown in FIG. 5 and FIG.
- the condenser consists of one condenser input VFAE and one condenser output VFAB.
- the condenser VF may rest on the condenser housing VFG or be fixed to the condenser housing VFG by fastening means BFM.
- the secondary circuit SK according to FIG. 8 corresponds to the secondary circuit according to FIG. 5.
- the condenser VF is at least partially disposed within the refrigerated rack KR1 in its upper portion HR1, and the compressor KOM is disposed within the refrigerated rack KR1 in the lower portion VR thereof.
- the condenser VF is thermally and / or acoustically isolated from the refrigerator KRI M;
- the compressor KOM is thermally and / or acoustically isolated from the refrigerator KRI M.
- the condenser VF is accessible from outside the refrigerator; likewise, the compressor KOM is accessible from outside the refrigerated cabinet.
- the condenser VF is arranged in a condenser compartment VFA, which is preferably configured in such a way that it is releasably connected to the refrigerated cabinet.
- the compressor KOM is assigned a arranged in the refrigerator compressor housing KOMG, which is preferably releasably connected to the refrigerator. Compressor KOM is accessible from the refrigerator KRI M.
- the refrigerator has a rear wall RW, which has at least one air outlet element LAE in the area of the compressor KOM.
- the compressor KOM is associated with a third fan device VT3 for the cooling thereof.
- a control element RE is arranged which regulates a secondary circuit medium SK guided by the condenser VF.
- the cooling cabinet is a cooling furniture control ST arranged in a housing module and this housing module is releasably connectable to the cooling furniture.
- the condenser compartment VFA is assigned a first insulation medium IS01, which consists in particular of synthetic rubber and / or a similar insulating material.
- the compressor housing KOMG is associated with a second insulating medium IS02, which consists in particular of synthetic rubber and / or of a similar insulating material. LIST OF REFERENCE NUMBERS
- WTL1 WTL2 first and second line of WT
- KR1 L1 first line of KR1
- KR1 L11 first line connection of KR1 L1
- KR1 L12 second line connection of KR1 L1
- KR1 L21 first line connection of KR1 L2
- KR2L1 first line of KR2
- KR2L11 first line connection of KR2L1
- KR2L21 first line connection of KR2L2
- KR2L22 second line connection of KR2L2
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL11751547T PL2609380T3 (pl) | 2010-08-27 | 2011-08-26 | Szafa chłodnicza |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010035695A DE102010035695A1 (de) | 2010-08-27 | 2010-08-27 | Kühlmöbel, insbesondere Kühlregal |
PCT/EP2011/004283 WO2012025240A2 (de) | 2010-08-27 | 2011-08-26 | Kühlmöbel, insbesondere kühlregal |
Publications (2)
Publication Number | Publication Date |
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EP2609380A2 true EP2609380A2 (de) | 2013-07-03 |
EP2609380B1 EP2609380B1 (de) | 2019-11-20 |
Family
ID=44543158
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP11751547.8A Active EP2609380B1 (de) | 2010-08-27 | 2011-08-26 | Kühlmöbel |
Country Status (15)
Country | Link |
---|---|
US (1) | US9677804B2 (de) |
EP (1) | EP2609380B1 (de) |
JP (2) | JP2013536399A (de) |
CN (1) | CN103080674B (de) |
BR (1) | BR112013004605B1 (de) |
DE (1) | DE102010035695A1 (de) |
DK (1) | DK2609380T3 (de) |
ES (1) | ES2767254T3 (de) |
HU (1) | HUE047290T2 (de) |
MX (1) | MX342211B (de) |
MY (1) | MY174858A (de) |
PL (1) | PL2609380T3 (de) |
PT (1) | PT2609380T (de) |
RU (1) | RU2560981C2 (de) |
WO (1) | WO2012025240A2 (de) |
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DE102012107713B4 (de) | 2012-08-22 | 2018-02-15 | Aht Cooling Systems Gmbh | Kühlregal |
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DE102012107712A1 (de) | 2012-08-22 | 2014-02-27 | Aht Cooling Systems Gmbh | Kühlregal |
DK3681354T3 (da) * | 2017-09-15 | 2021-09-13 | Lego As | Hyldesystem |
JP7002003B2 (ja) * | 2018-02-09 | 2022-01-20 | パナソニックIpマネジメント株式会社 | ショーケースユニット |
AT521596A1 (de) * | 2018-09-05 | 2020-03-15 | Single Use Support Gmbh | Kühlplattenanordnung und Verfahren |
EP3650785B1 (de) * | 2018-11-09 | 2024-03-20 | Carrier Corporation | Verkaufskühlvitrine |
WO2021024047A1 (ru) * | 2020-05-13 | 2021-02-11 | Юрий ХАРЧЕНКО | Холодильная установка |
DE102020119113A1 (de) | 2020-07-21 | 2022-01-27 | PremiumWineTech GmbH | Kühlmöbel und Verfahren zum Kühlen von Kühlgut |
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2010
- 2010-08-27 DE DE102010035695A patent/DE102010035695A1/de not_active Withdrawn
-
2011
- 2011-08-26 HU HUE11751547A patent/HUE047290T2/hu unknown
- 2011-08-26 EP EP11751547.8A patent/EP2609380B1/de active Active
- 2011-08-26 RU RU2013108194/13A patent/RU2560981C2/ru active
- 2011-08-26 US US13/819,011 patent/US9677804B2/en active Active
- 2011-08-26 BR BR112013004605-8A patent/BR112013004605B1/pt active IP Right Grant
- 2011-08-26 WO PCT/EP2011/004283 patent/WO2012025240A2/de active Application Filing
- 2011-08-26 MX MX2013002201A patent/MX342211B/es active IP Right Grant
- 2011-08-26 JP JP2013526347A patent/JP2013536399A/ja active Pending
- 2011-08-26 MY MYPI2013000496A patent/MY174858A/en unknown
- 2011-08-26 PT PT117515478T patent/PT2609380T/pt unknown
- 2011-08-26 ES ES11751547T patent/ES2767254T3/es active Active
- 2011-08-26 CN CN201180041615.3A patent/CN103080674B/zh active Active
- 2011-08-26 DK DK11751547.8T patent/DK2609380T3/da active
- 2011-08-26 PL PL11751547T patent/PL2609380T3/pl unknown
-
2016
- 2016-09-30 JP JP2016193841A patent/JP6335996B2/ja not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
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See references of WO2012025240A2 * |
Also Published As
Publication number | Publication date |
---|---|
JP2017020784A (ja) | 2017-01-26 |
JP6335996B2 (ja) | 2018-05-30 |
MX342211B (es) | 2016-09-20 |
CN103080674B (zh) | 2017-04-12 |
PT2609380T (pt) | 2020-01-10 |
BR112013004605B1 (pt) | 2020-09-15 |
DE102010035695A1 (de) | 2012-03-01 |
HUE047290T2 (hu) | 2020-04-28 |
PL2609380T3 (pl) | 2020-06-29 |
MX2013002201A (es) | 2013-03-18 |
WO2012025240A3 (de) | 2012-07-05 |
DK2609380T3 (da) | 2020-01-27 |
US20130152623A1 (en) | 2013-06-20 |
CN103080674A (zh) | 2013-05-01 |
US9677804B2 (en) | 2017-06-13 |
WO2012025240A2 (de) | 2012-03-01 |
EP2609380B1 (de) | 2019-11-20 |
RU2013108194A (ru) | 2014-10-10 |
JP2013536399A (ja) | 2013-09-19 |
ES2767254T3 (es) | 2020-06-17 |
RU2560981C2 (ru) | 2015-08-20 |
BR112013004605A2 (pt) | 2016-07-05 |
MY174858A (en) | 2020-05-19 |
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