EP2887838B1 - Kühlregal - Google Patents

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Publication number
EP2887838B1
EP2887838B1 EP13745124.1A EP13745124A EP2887838B1 EP 2887838 B1 EP2887838 B1 EP 2887838B1 EP 13745124 A EP13745124 A EP 13745124A EP 2887838 B1 EP2887838 B1 EP 2887838B1
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EP
European Patent Office
Prior art keywords
assembly
vertical
gap
flow channel
display case
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Application number
EP13745124.1A
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German (de)
English (en)
French (fr)
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EP2887838A1 (de
Inventor
Reinhold Resch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AHT Cooling Systems GmbH
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AHT Cooling Systems GmbH
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Publication of EP2887838A1 publication Critical patent/EP2887838A1/de
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    • 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
    • A47F3/0439—Cases or cabinets of the open type
    • A47F3/0443—Cases or cabinets of the open type with forced air circulation
    • A47F3/0447—Cases or cabinets of the open type with forced air circulation with air curtains

Definitions

  • the invention relates to a refrigerated display case with a floor assembly, a rear wall assembly and a roof assembly which delimit a refrigerated space at the bottom, rear and top and are at least partially provided with components of a refrigeration device and which have a multi-layer structure with a flow channel arrangement formed therein, with both in the floor pan as well as the rear wall group and the roof group, gaps are formed between respective layers as parts of the flow passage arrangement, and the lower gap formed in the floor pan on its rear side with a lower portion of the vertical gap formed in the rear wall group and the upper one formed in the roof group Intermediate space are brought on its rear side with an upper portion of the vertical space formed in the rear wall group in flow connection for air flowing through and in the vertical space for the generation of cooling air an evaporator or other Erer heat exchanger of the cooling device is arranged.
  • a refrigerated display case with a flow channel arrangement is in JP H06-265 255A specified.
  • an air flow generated by means of fans is directed through a base assembly, a rear wall assembly and a roof assembly and via an open front side of the refrigerated shelf in a flow circuit, with an evaporator for generating the necessary cooling air being arranged in the lower section of the rear wall group adjoining the base group.
  • a fan is positioned in the flow direction in front of the evaporator in a voluminous space in the floor assembly.
  • a portion of the air flowing up through the evaporator is directed between the front thereof and the rear of a wall section of the rear wall assembly down and through the rear wall section into the shelf space to be cooled.
  • a layered air duct is formed in the rear wall group, the roof group and partly also the floor group.
  • cooling that is as energy-efficient as possible is fraught with problems, and a design that is as easy to handle as possible for assembly and for the user must also be taken into account.
  • the refrigerated display case shown shows a flow channel arrangement formed similarly to the aforementioned refrigerated display case through a floor assembly, a rear wall assembly and a roof assembly and over an open front area of the refrigerated display case.
  • an evaporator is arranged in the transition area between the floor assembly and the rear wall assembly, and a fan is positioned in the floor assembly.
  • the floor assembly also has a relatively voluminous design.
  • the US 2005/257 548 A1 shows a refrigerated display case, on the floor of which containers can be accommodated, with an air duct which is routed under a floor panel and which opens into an air duct on the rear wall.
  • an evaporator and fans are arranged, the 2 and 7 show an arrangement of the fans in front of the evaporator.
  • the EP 1 743 552 A1 shows a refrigerated shelf in which an evaporator is arranged in an air duct of the rear wall. The fan is arranged in the floor area.
  • Other refrigerated shelves with similar flow channel arrangements show the JP 2001-221 561 A , CA 821 795 A , CN 1 935 060 A , JP S52-28 053 A , JP S62 - 105 077 A , JP S61-3 378 U , TW 382 439 U , JP S 59-76 973 U , JP S51-125 372 U , JP S58-20 885 U , CA 676 020 A , JP S48-45 596 U , JP H01-158 092 U and JP H04-110 365 U .
  • the object of the invention is to provide a refrigerated shelf of the type mentioned at the outset, with which the refrigeration properties are improved with the most efficient possible use of refrigeration capacity and a structurally favorable design.
  • This structure of the rear wall group, floor group and roof group results in an advantageous encasing of the cooling space for efficient cooling with good flow conditions.
  • the measures are advantageous in that the fans, in particular radial fans, are arranged in the upper half of the vertical intermediate space above the evaporator or other heat exchanger. This results in a smooth flow of air through the gaps between the vertically arranged fins of the evaporator without stagnation pressure (as can occur with bottom mounted fans) and without risk of electrical interference or damage from dripping liquid.
  • the evaporator which extends horizontally along the rear wall with its longitudinal axis, is preferably arranged with respect to the vertical or slightly above the center area of the rear wall, so that there is still installation space above or below the heat exchanger on the rear wall, e.g. B. for fans or flow channel elements.
  • Heat exchanger on the rear wall still has installation space, e.g. B. for fans or flow channel elements.
  • a configuration of the refrigerated display case that is advantageous for the structure and mode of operation is that the vertical gap is at least partially directly on the back of a panel-shaped inner cover of the rear wall group adjoining the refrigerated space, and the lower gap is at least partially directly on the back of a panel-shaped inner cover that is adjacent to the refrigerated space
  • Floor cover and the upper intermediate space are arranged at least in sections directly on top of a lower cover of the roof assembly which is adjacent to the cooling compartment.
  • the upper intermediate space is brought into flow connection via a gap-like outlet opening on a front roof section with the lower intermediate space via a gap-like inlet opening on the front section of the floor assembly in order to, together with the upper intermediate space, form the lower intermediate space and to create a circulating airflow in the vertical gap over a front air curtain.
  • the measures that are advantageous for the structure and the cooling function are that in front of the evaporator or other heat exchanger, there is a free space for the cooling air generated in the evaporator or other heat exchanger to be guided down, through distributed openings, in particular slots, of the inner cover into the cooling space kicks.
  • outer flow channels for a layered air flow are formed on the side of the gaps facing away from the cooling chamber Rear wall group between an intermediate partition that at least partially delimits the vertical intermediate space on the back and an outer lining, an outer vertical flow channel is formed, wherein in the floor group between a baffle plate that at least partially delimits the lower intermediate space on the underside and a base plate arranged below this or in the interior of the baffle plate an outer lower flow channel is formed, with an outer upper flow duct being formed in the roof group between an intermediate cover that at least partially delimits the upper intermediate space at the top and an upper cover of the roof group, and with the outer lower flow duct having a lower section and the outer upper flow duct having an upper section of the vertical outer flow channel are brought into flow connection for air flowing through.
  • a layered air flow is advantageously achieved in that the outer upper flow duct is brought into flow connection via an outlet gap on the front roof section, which is advantageously at a distance in front of the gap-like outlet opening, with the outer lower flow duct via an inlet opening extending along the front side in the front section of the floor assembly to create, together with the outer upper flow duct, the outer lower flow duct and the outer vertical flow duct, a circumferential airflow over an outer front air curtain forming a warm air curtain relative to the cold air curtain - then inner - front air curtain.
  • the structure and the function are also favored by the fact that at least one fan, in particular a radial fan, is arranged at least in the vertical outer flow channel to bring about an air flow, preferably in the lower region of the vertical outer flow channel below the evaporator or other heat exchanger.
  • the intermediate separation of the rear wall group also has an intermediate wall attached via vertical spacer strips and/or via Z-shaped folds at its vertical edges at a distance to the front of the outer paneling also contribute to an advantageous structure and good air flow.
  • the intermediate partition is attached stably, so that z. B. the evaporator or other heat exchanger can be mounted advantageously.
  • the formation of the flow channel arrangement is favored by the fact that the outer lower flow channel (possibly configured with a number of branched individual channels) is at least partially formed by at least one channel molded into the guide plate.
  • the channels can be completely in the z. B. made of foamed plastic guide plate introduced or preferably formed on the underside, which can be a targeted air flow to the transition in the lower portion of the outer vertical flow channel in the rear wall group.
  • the guide plate is produced, for example, as a plastic shell blown into a mold with the flow channel, into which foamed plastic is filled (e.g. PU foam), which then hardens and results in a stable, well-insulating plate body.
  • An advantageous, stable structure z. B. as a shelf module is obtained in that the rear wall assembly, the roof assembly and the floor assembly, plate-shaped wall elements have the frame profiles of two laterally delimiting a shelf module Side frames are attached, the lateral outer sides of the side frames of the adjacent narrow sides of the outer cladding 12.3, the guide plate 11.2 and the upper insulating cover 13.3 are somewhat surpassed in order to produce good thermal insulation between the narrow sides facing one another.
  • the side frames are C-shaped in side view, with a lower horizontal profile and an upper horizontal profile protruding forward being attached in the upper and lower end area of a respective rear vertical profile around the panel-shaped wall elements of the rear wall group on the front of the vertical profiles on both sides, the plate-shaped wall elements of the roof group are built on the underside of the upper horizontal profiles and the plate-shaped wall elements of the floor group between and/or on the lower horizontal frame profiles and that vertical support profiles are spaced forward from the vertical frame profiles between the lower and upper horizontal frame profiles heat-insulating connection are installed.
  • a refrigerated shelf arrangement consisting of several refrigerated shelves configured as shelf modules and arranged side by side offers advantageous design options for the user, with the transitions between the shelf modules along the adjacent narrow edges of at least the plate-shaped wall elements of the rear wall group being sealed with the insertion of sealants and with the shelf modules being attached in particular to adjacent frame profiles are screwed together.
  • Fig.1 shows a unit assembled from three shelf modules 1, 2, 3 to form a refrigerated shelf arrangement, with the refrigerated shelf arrangement surrounding a refrigerated space 4 that is accessible from the front on the back, top and bottom, and also at least on the sides when in use, for which purpose corresponding side walls are attached to the two sides of the arrangement will.
  • the front can be openly accessible or fitted with door elements for special applications.
  • 4 shelves are mounted in the cold room, on which the refrigerated goods, such as meat products or dairy products or the like. In a sales room, is placed.
  • a single shelf module 1, 2, 3 can be used as a refrigerated shelf, with side walls being attached on both sides and the front being open or closed with at least one door element.
  • a cooling device 5 (cf. 2 ) integrated, in particular an evaporator 50, 50', 50", a compressor 51, a condenser 52, an expansion valve arrangement, connecting means 53 including connecting lines 53.1 and a control unit 55.1 of a control device 55 (cf. 8 ) and also several fans 56 arranged side by side in the upper area and optionally at least one fan 57 in the lower area of the rear panel assembly 12 for generating or supporting the necessary air flows (cf. 3 ).
  • the condenser 52 can be connected to a z. B. located in another room heat exchanger 54 may be connected. If necessary, z. B. a larger refrigerated shelf arrangement also include several similar components of the cooling device 5.
  • the condenser 52 with corresponding connecting means 53 is in or on a roof group 13 in an upper cooling component receptacle 13.30 im formed there
  • the area of an upper cover 13.3 is arranged so that it is easily accessible from above or behind, while the compressor 51 is preferably arranged in the lower area of a rear wall group 12 behind an inner cover 12.1 that delimits the cooling chamber 4 to the rear in a receiving chamber (not shown in detail) of a receiving device.
  • the evaporator 50, 50', 50'' is also arranged behind the inner cover 12.1 and mounted using means of the receiving device.
  • the evaporator 50" extends continuously over all three shelf modules 1, 2, 3, while the compressor 51 and the condenser 52 for all three shelf modules 1, 2, 3 of the shelf arrangement together in just one, namely in the embodiment according to 1 are arranged in the right-hand shelf module 1 and are connected to the evaporator 50" via corresponding connecting lines with the interposition of relevant intermediate elements of the cooling device 5, such as an expansion valve or throttle.
  • each shelf module 1 , 2 , 3 also has a floor group 11 .
  • each shelving module 1, 2, 3 are side frames 10 arranged on each side thereof, which are C-shaped in side view, with a vertical profile 10.1 along the rear, a lower horizontal profile 10.2 connected to it at the bottom and projecting forwards, and an upper one at the top End section of the vertical profile 10.1 connected, protruding forward upper horizontal profile 10.3, in the illustration shown the lower horizontal profile 10.2 protrudes further forward than the upper horizontal profile 10.3.
  • an upper horizontal profile 10.3 that is just as long or longer than the lower horizontal profile 10.2 can be advantageous, for example to support an upper porch with a roller blind and a lighting device in a stable manner and without deflection.
  • a support profile 10.4 is installed at a distance to the front between the lower and upper horizontal profile 10.2, 10.3.
  • the lower horizontal profile 10.2 is supported on feet 60, 61 with leveling possibility.
  • the two side frames 10 of each shelving module 1, 2, 3 carry the floor assembly 11 by means of their lower horizontal profiles 10.2, the rear wall group 12 by means of their vertical profiles 10.1 and support profiles 10.4 and the roof group 13 by means of their upper horizontal profiles 10.3 and result in a stable structure with simple assembly steps.
  • they ensure a stable juxtaposition of several shelf modules 1, 2, 3 to form the refrigerated shelf arrangement, with the refrigerated shelf arrangement being transportable as a stable unit using a lifting device or vehicle.
  • an advantageous exemplary embodiment of a refrigerated shelf arrangement is that only one shelf module 1 is provided with all the components of a refrigeration device, apart from the central heat exchanger 54 that may be provided, with relevant outgoing and return connecting lines 53.1 (module with expansion type b), while the other shelf modules a refrigerated shelf arrangement are only provided with an evaporator 50, 50', 50", the evaporator 50', 50" advantageously (but not necessarily) being designed as a continuous unit (modules of expansion type a).
  • the evaporator of the modules of the expansion type a is via appropriate connecting means 53 including connecting lines 53.1 and optionally electrical wiring for signal transmission (sensors, control) and electrical power supply connected to the other relevant components of the cooling device in the shelf module 1 of the expansion type b.
  • All shelf modules 1, 2, 3 are prepared in the same way, however, to accommodate all the necessary components of the cooling device 5 and also with pre-installed sections of the connecting lines 53.1 and connecting means for a simple, quick connection between the cooling components of the shelf modules and, if necessary, with the central heat exchanger 54. so that modules of one type of extension can be converted into a module of the other or possibly another type of extension with other or additional components of the cooling device with little installation effort.
  • An evaporator 50', 50" running through several shelf modules 1, 2, 3 can also be subsequently inserted relatively easily between the relevant vertical profiles 10.1 and the support profiles 10.4 lying at a distance in front of them and on the vertical profiles and/or an intermediate partition, in particular an intermediate wall 12.2 Subsequent installation is carried out, for example, by inserting the heat exchanger, in particular the evaporator 50, 50', 50" from one side parallel to the plane of the rear wall or from the front, after the relevant support profiles 10.4 have been removed and then reinstalled. As described in more detail below, the special way in which the support profiles 10.4 are assembled results in simple installation and removal.
  • the central heat exchanger 54 is usually connected via a secondary circuit to the condenser 52 of the shelf module 1 in question (expansion type b), a coolant different from a coolant carried in the refrigerated shelf arrangement being used in the secondary circuit.
  • a compact plate or tube heat exchanger can be used for the condenser 52 z. B. Heat occurring in the central heat exchanger 54 can be dissipated for another use of the thermal energy, as indicated by the arrow at the top right.
  • the floor pan 11, the rear wall group 12 and the roof group 13 are designed in multiple layers with spaces formed therein for the air duct.
  • the air flow is effected or supported by means of fans 56, 57, which are designed, for example, as radial fans or diagonal fans and of which one is arranged in the lower area and one in the upper area of the rear wall group 12 in the example shown, which is not according to the invention, or two in the upper area according to the invention of the rear wall group 12 are arranged side by side.
  • the upper fan or fans 56 cause or cause the air flow through the evaporator 50, 50', 50" from bottom to top, as in 10 is clarified.
  • Part of the flow of cooling air formed by the evaporator 50, 50', 50" is directed downwards again on the back of the inner cover 12.1 and flows through the ventilation slots in the inner cover 12.1 into the cooling space 4 in order to keep it at the required cooling temperature.
  • B. be adjusted by reducing the flow resistance downwards.
  • Another part of the cooling air flow is from the upper fans 56 through the vertical inner space 12.4 of the rear wall group 12 into a connected upper space 13.7 in the roof group 13 along the top of a lower cover 13.1 delimiting the cooling space 4 at the top up to a front Roof section 13.4, where it exits on its underside through a slit-like outlet opening 13.50 with an outlet grille 13.5 and forms a cold air curtain 70 on the front side (cf. 10 ).
  • the air flow from the cold air curtain 70 then re-enters in the front area of the floor assembly 11 through an inlet opening 11.11 that is present there and is covered with the cover grille 11.10 and extends along the front side into the intermediate space 11.6 below the floor covering 11.1, in order to flow again through the inner vertical gap 12.4 of the rear wall assembly 12 to circulate through the evaporator and upper fans 56.
  • the floor cover 11.1, the inner cover 12.1 and the lower cover 13.1 of the roof group 13 are made of thin-walled plates, in particular made of metal or plastic, for good transmission of the cooling capacity to the cooling space 4, which are also easy to handle and clean.
  • the plates of the floor cover 11.1 are advantageously segmented in the width direction and extend from the entry opening 11.11 in the front area of the floor assembly 11 to the lower area of the inner cover 12.1 of the rear wall group 12.
  • the plates of the inner cover 12.1 of the rear wall group 12 are advantageously segmented and extend in the vertical direction over the entire width between the two side frames 10 of a shelf module 1, 2, 3, with several panels arranged vertically one above the other being easily used or removed can be used, e.g. B. relevant components of the cooling device 5 to clean or install or remove.
  • the bottom cover is 11.1 in the front area on several block-shaped support means 11.5, z. B.
  • plastic blocks made of hard plastic and placed in the rear on other support means z. B. are designed as a support angle with forwardly projecting support leg, in particular as an angle bar attached to the lower section of the support profiles 10.4 of the two side frames 10.
  • the baffle plate 11.2 made of heat and noise-insulating plastic, which at the same time forms a collecting pan for liquid that occurs on its upper side and has a drain hole 11.21 to which a drain pipe system is connected.
  • the guide plate 11.2 is provided with a shaped channel arrangement 11.20, by means of which a lower, outer horizontal space is formed below the guide plate 11.2 as a lower, outer air flow channel 11.7, which is formed on the underside of the floor assembly 11 by means of a floor panel 11.3 or several partial floor panels or Cover plates is covered down.
  • the lower area of the relatively thick-walled insulating outer paneling 12.3 can be recessed and z. B. only a rear thin cover plate can be left, with an insulating layer of the outer panel is covered 12.3 back.
  • the recess in the insulating outer panel 12.3 can, for. B. by subsequent cutting out of the thin front cover plate and the insulation layer or already during production by leaving this area free when foaming and removing the front cover plate. In this way, the transition and a lower portion of the vertical outer flow channel 12.5 can be suitably arranged and z. B.
  • the fan 57 arranged in the lower area of the rear wall group 12 is located in the outer vertical intermediate space or in the vertical outer flow channel 12.5 formed thereby, which via the intermediate separation with the intermediate wall 12.2 behind the evaporator 50, 50', 50" in front of the outer paneling 12.3 and connected to an outer upper gap or outer upper flow channel 13.8 to form a flow connection is how from the 8 and 9A combined with 10 is evident.
  • the outer upper flow channel 13.8 is separated from the inner upper flow channel 13.7 by means of an intermediate cover 13.2 and leads between the intermediate cover 13.2 and the underside of the upper cover 13.3 to the front roof section 13.4, where it passes through a formed on the underside, spaced in front of the outlet opening 13.50 with the outlet grid 13.5 lying outlet gap 13.80 to form a warm air curtain 71 lying in front of the cold air curtain 70 on the front side of the relevant shelf module 1, 2, 3 or the refrigerated shelf arrangement.
  • the air flow formed by the warm air curtain 71 enters in the front area of the floor assembly 11 into a gap-like inlet opening in front of the cover grille 11.10 in the lower outer intermediate space or lower outer flow channel to form a warm air circuit.
  • the lower cover 13.1, the intermediate cover 13.2 and the upper cover 13.4 are held apart by a plurality of shared support pins 13.6 to form the inner upper gap 13.7 and the outer upper flow channel 13.8.
  • the top cover 13.3 is designed as a heat-insulating insulation board made of insulating material, for example corresponding to the outer cladding 12.3.
  • the insulating cover 13.3 forms, together with the insulating outer paneling 12.3 of the rear wall assembly 12 and the insulating baffle plate 11.2 of the floor assembly 11, a shell-like thermal insulation.
  • the insulating outer paneling 12.3 of the rear wall group 12 and the insulating top cover 13.3 of the roof group 13 and the insulating baffle plate 11.2 of the floor assembly 11 are each mounted on the inside of the vertical profiles 10.1, the upper horizontal profiles 10.3 and the lower horizontal profiles 10.2 of the associated side frames 10, facing the cooling chamber 4.
  • the outer cladding 12.3 is provided with a stable coating, at least on its inside facing the cooling chamber 4, or is designed overall as a stable, load-bearing plate, in order to z. B. by means of vertical spacer profiles, which for example have an H-shaped cross-section, to attach the intermediate wall 12.2 of the intermediate partition under the relevant distance for the outer vertical space in a stable manner.
  • the intermediate wall 12.2 can in turn z. B. Z-shaped with outwardly projecting flange-like end portions and attached to the cooling chamber 4 facing side of the outer panel 12.3, z. B. by means of screws or rivets.
  • the intermediate wall 12.2 made of sheet steel or another suitable metal, for example, offers a stable support base for the attachment of the evaporator 50, 50', 50", which advantageously extends over several shelf modules 1, 2, 3, as described above.
  • the evaporator 50 , 50', 50", which can be constructed from sections assigned to the shelf modules 1, 2, 3, is thus located in the region of the cold air duct in front of the warm air duct and is stably attached therein by means of connecting means of the receiving device, e.g. B. by means of fastening screws and fastening straps.
  • Sufficient space is available at least on one side for an evaporator 50, 50', 50" extending over several shelf modules 1, 2, 3 (cf. e.g.
  • connection means for connecting lines for the refrigerant supply and injection of the refrigerant such as. B.
  • several injection valves of the injection assembly can be arranged for the evaporation.
  • the evaporator 50, 50', 50'' is not on frame profiles or support profiles attached so that on the one hand there is no heat transfer via the frame to the outside and on the other hand the support profiles 10.4 can be installed and removed without hindrance.
  • another heat exchanger may be installed in the rear panel assembly 12 or at the top of the refrigerated display case, with the refrigerant advantageously being cooled in a remotely located central heat exchanger (e.g. with a chiller).
  • the support profile 10.4 is on the underside of the upper horizontal profile 10.3 of the side frame 10 via an intermediate piece that is extended from the front to the rear and an upper support plate 10.50 (see Fig. Figure 9B ) stably supported and bolted.
  • the support profile 10.4 is supported on its underside by means of a support plate 10.40 extending from the front to the rear in relation to the top of the lower horizontal profile 10.2 of the relevant side frame 10, with an intermediate piece 10.41 made of hard plastic advantageously being inserted, as a result of which thermal insulation and also noise insulation are achieved becomes.
  • the support profiles 10.4 can be easily installed and removed as a result of this attachment.
  • the fastening elements for the intermediate pieces on the horizontal profiles 10.2, 10.3 on the one hand and for the support plates 10.40, 10.50 of the support profiles 10.4 on the intermediate pieces on the other hand are offset in such a way that there is no continuous metallic heat-conducting contact between the support profile 10.4 and the horizontal frame profiles 10.2 and 10.3 comes.
  • the metal support profiles 10.4 are provided with rows of holes in a predetermined, preferably standardized grid spacing, in which the plates of the inner cover 12.1 of the rear wall group 12 are attached so that they can be easily hung on and off. Support arms for the shelves can also be easily attached to the support profiles at the desired height.
  • a lighting device 64 can be arranged in the front area of the floor assembly 11 and/or the roof assembly 13 .
  • a blind 63 is advantageously arranged to z. B. outside of business hours to close the cold room at the front and save cooling energy.
  • sealants are advantageous z. B. used between the adjacent outer panels 12.3, the top covers 13.3 and in particular between the guide plates 11.2. It is true that additional sealing elements can also be inserted, or only between the side frames 10 of adjacent rack modules 1, 2, 3 in a row, in order to seal off the cooling chamber 4 between the rack modules 1, 2, 3, but the side frames 10 are preferably only connected by means of intermediate spacer elements, such as B. spacer sleeves, in a defined positioning and stably clamped together.
  • intermediate spacer elements such as B. spacer sleeves
  • Various types of sealing elements can be considered as sealants, e.g. B. in cross section mushroom-shaped sealing strips with lamellae.
  • Side walls can also be attached in a corresponding manner with adapted sealing means to the side frame 10, in particular to the narrow edges of the outer paneling 12.3, the lower cover 13.3 or the guide plates 11.2, sealingly at the respective end edge.
  • the inner intermediate spaces 11.6 and 13.7 of the floor assembly 11 and roof assembly 13 are sealed off on both sides of each shelf module 1, 2, 3 and over suitable air baffles are connected to the vertical inner space 12.4 in order to avoid unfavorable flow leaks.
  • the outer flow channels 11.7, 12.5, 13.8 are sealed off for each shelf module 1, 2, 3 in the tried and tested embodiment.
  • this is done in the area of the intermediate wall 12.2, for example, by means of its lateral bevels or by means of inserted strips, correspondingly also in the area the roof group 13, in the area of the floor pan 11 z. B. by the indentations on the underside of the guide plate 11.2.
  • FIGS 11A through 11X show an embodiment of successive assembly steps in the construction of a shelf module 1, 2, 3 or refrigerated shelves and an arrangement of two shelf modules. If desired, individual assembly steps can also be omitted, changed or interchanged.
  • two side frames 10 each consisting of a vertical profile 10.1, a lower horizontal profile 10.2 protruding in the lower area and an upper horizontal profile 10.3 protruding in the upper area.
  • the lower horizontal profiles 10.2 are provided on their underside with the height-adjustable feet 60, 61 and at the lower end of the vertical profiles 10.1 is the anti-tipper 62 down.
  • the upper horizontal profile 10.3 is shorter than the lower horizontal profile 10.2, but in a likewise advantageous embodiment, the upper horizontal profile 10.3 can be as long or longer than the lower horizontal profile 10.2 in order to be able to attach the roof group 13 in a stable manner.
  • the two side frames 10 are placed according to the width of the shelf module 1, 2, 3 spaced from each other.
  • the base plate 11.3 is provided as the lower cover of the base group 11 with a rear side 11.30 to be faced towards the vertical profiles 10.1 and the drainage hole 11.21.
  • This covers the underside of the guide plate 11.2 with the mold channels 11.20, as in the further assembly step Figure 11C is shown.
  • the mold channels 11.20 can also be covered separately by one or more sub-plates and advantageously also sealed.
  • Figure 11C next shows the z. B. formed from several sub-channels forming channel 11.20 on the back of the guide plate 11.2 in a relatively wide lateral gap-like outlet opening 11.22, which is open at the top and limited on the back by a fold of the base plate 11.3 or a partial plate. Also shown are the inlet openings 11.70 of the mold channel 11.20.
  • the guide plate 11.2 prepared in this way is in accordance with a further step Figure 11D arranged and fixed on the lower horizontal profiles 10.2.
  • the heat-insulating outer paneling 12.3 mounted on the front of the vertical profiles 10.1.
  • the outer paneling 12.3 is provided with a continuous compressor opening 12.30 for later installation of the compressor, which is arranged next to the outlet opening 11.22 of the guide plate 11.2.
  • a lower fan opening 12.10 in the outer paneling 12.3, which is however covered on the rear side of the outer paneling 12.3, for example with a thin cover layer of the outer paneling 12.3 or a separate panel, and a channel for the air flow from the outlet opening 11.22 to the later to be installed lower fan 57 forms.
  • the upper cover 13.3 is mounted on the underside of the upper horizontal profiles 10.3 ( Figure 11F ).
  • the upper cooling component receptacle 13.30 is cut out at the rear right in the exemplary embodiment shown, leaving only a lower cover layer of the heat-insulating upper cover 13.3.
  • the support profiles 10.4 are then installed between the upper and lower horizontal profiles 10.3, 10.2 in the rear area, spaced parallel to the front of the vertical profiles 10.1, using the support plates 10.40, 10.50 and the insulating intermediate pieces between the underside of the upper cover 13.3 and the Top of baffle 11.2 ( Figure 11H ).
  • fixing parts 10.10 are attached for reinforcement or as holding members, which can also be omitted if the supporting force is sufficient.
  • the lower fan 57 is mounted in front of the lower fan opening 12.10 and surrounded in further steps with a fan housing 12.11 ( Figures 11K, 11L ) to form the lower section of the outer vertical flow channel.
  • a plate-like cold air baffle 12.40 is mounted at a distance on the intermediate wall 12.2, behind which the evaporator 50, 50', 50" (not shown) or another heat exchanger is arranged.
  • the upper fans 56 are mounted on a plate spaced apart from the intermediate wall 12.2 ( Figures 11O and 11P ). The several z. B.
  • the housing-like upper fan cover 12.20 is designed to guide the air in the desired direction and strength and can also be provided with an intermediate separation between two fans 57 in order to avoid mutual interference (e.g. short circuit). For example, in the fan cover 12.20, outflow openings can be introduced upwards, downwards and, if desired, also forwards in a coordinated size.
  • outer vertical flow duct 12.5 is connected to the relevant outer upper flow duct 13.8 of the roof assembly 13 after the outer upper flow duct 13.8 and the upper gap 13.7 are made in the roof assembly 13 using the support pins 13.6 ( Figures 11S and 11T ).
  • the gap-like outlet opening 13.50 and the outlet gap 13.80 for the cold air curtain 70 and the warm air curtain 71 in the lower front area of the roof assembly 13 are formed.

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Freezers Or Refrigerated Showcases (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
EP13745124.1A 2012-08-22 2013-08-06 Kühlregal Active EP2887838B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012107712.6A DE102012107712A1 (de) 2012-08-22 2012-08-22 Kühlregal
PCT/EP2013/066455 WO2014029612A1 (de) 2012-08-22 2013-08-06 Kühlregal

Publications (2)

Publication Number Publication Date
EP2887838A1 EP2887838A1 (de) 2015-07-01
EP2887838B1 true EP2887838B1 (de) 2022-10-12

Family

ID=48916090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13745124.1A Active EP2887838B1 (de) 2012-08-22 2013-08-06 Kühlregal

Country Status (14)

Country Link
US (1) US9901190B2 (zh)
EP (1) EP2887838B1 (zh)
JP (1) JP6053936B2 (zh)
CN (1) CN104540423B (zh)
BR (1) BR112015003119B1 (zh)
DE (1) DE102012107712A1 (zh)
ES (1) ES2934320T3 (zh)
IN (1) IN2015DN00617A (zh)
MX (1) MX356456B (zh)
MY (1) MY191833A (zh)
PL (1) PL2887838T3 (zh)
RU (1) RU2595975C1 (zh)
WO (1) WO2014029612A1 (zh)
ZA (1) ZA201501132B (zh)

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Also Published As

Publication number Publication date
RU2595975C1 (ru) 2016-08-27
CN104540423A (zh) 2015-04-22
MY191833A (en) 2022-07-18
JP2015531050A (ja) 2015-10-29
DE102012107712A1 (de) 2014-02-27
MX356456B (es) 2018-05-30
US9901190B2 (en) 2018-02-27
MX2015002198A (es) 2015-08-20
US20150230627A1 (en) 2015-08-20
EP2887838A1 (de) 2015-07-01
BR112015003119A2 (pt) 2017-07-04
JP6053936B2 (ja) 2016-12-27
WO2014029612A1 (de) 2014-02-27
ZA201501132B (en) 2016-01-27
CN104540423B (zh) 2018-09-28
PL2887838T3 (pl) 2022-12-12
ES2934320T3 (es) 2023-02-21
BR112015003119B1 (pt) 2021-05-18
IN2015DN00617A (zh) 2015-06-26

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