EP1455149A1 - A connection-ready refrigerator and arrangement of such a refrigerator - Google Patents

A connection-ready refrigerator and arrangement of such a refrigerator Download PDF

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Publication number
EP1455149A1
EP1455149A1 EP04005169A EP04005169A EP1455149A1 EP 1455149 A1 EP1455149 A1 EP 1455149A1 EP 04005169 A EP04005169 A EP 04005169A EP 04005169 A EP04005169 A EP 04005169A EP 1455149 A1 EP1455149 A1 EP 1455149A1
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EP
European Patent Office
Prior art keywords
plug
freezer
condenser
refrigerator
refrigeration
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Granted
Application number
EP04005169A
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German (de)
French (fr)
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EP1455149B1 (en
Inventor
Dieter Weidenbach
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.)
Carrier Kaeltetechnik Deutschland GmbH
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Linde Kaeltetechnik GmbH
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Publication of EP1455149A1 publication Critical patent/EP1455149A1/en
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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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B6/00—Compression machines, plants or systems, with several condenser circuits
    • F25B6/04—Compression machines, plants or systems, with several condenser circuits arranged in series
    • 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
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0403—Refrigeration circuit bypassing means for the condenser
    • 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
    • F25B2400/22—Refrigeration systems for supermarkets

Definitions

  • the invention relates to a plug-in refrigerator and / or freezer, comprising at least one liquefaction circuit.
  • the invention relates to an arrangement of at least two plug-in cooling and / or Frozen furniture.
  • the invention relates to a method for operating a plug-in Refrigerated and / or freezer furniture or an arrangement of at least two ready-to-plug-in refrigerators and / or freezers.
  • plug-in refrigeration and / or freezer furniture includes refrigeration and / or Freezer to provide all the aggregates necessary for the production of a (Low) cooling temperature inside the furniture are required.
  • Plug-in refrigerators and / or freezers have the great advantage that they can be put into operation faster and easier and a high degree of flexibility enable when building or remodeling a shop.
  • the object of the present invention is to provide a generic plug-in cooling and / or Specify freezer furniture that avoids the aforementioned disadvantages.
  • the present invention is also based on the object of an arrangement of at least two plug-in refrigerators and / or freezers and a method to operate a plug-in refrigerator and / or freezer or one Arrangement of at least two plug-in refrigerators and / or freezers create that avoids the aforementioned disadvantages.
  • a plug-in refrigerator and / or freezer is used to solve this task proposed, which is characterized in that the liquefaction circuit at least one additional condenser connected in parallel or in series has and the additional condenser connected to a fluid line and / or is connectable.
  • the arrangement according to the invention of at least two plug-in cooling and / or Freezer furniture is characterized by the fact that the plug-in refrigeration and / or Freezer units via their fluid lines with at least one central line network are connected and / or connectable.
  • the inventive method for operating a plug-in cooling and / or Freezer or an arrangement of at least two plug-in refrigeration and / or Freezer is characterized in that depending on the or the temperature determined by means of at least one of the temperature sensors switching on or off at least one additional condenser and / or on At least one fluid line is opened or closed.
  • the opening or This fluid line can also be closed by turning the pump on or off. is switched off.
  • the liquefaction circuit of the plug-in cooling and / or Frozen furniture now at least one additional, parallel or in series switched on condenser.
  • Fluid line preferably water and / or a cold brine flows or circulates.
  • the one or more of the aforementioned fluids can be used on the additional condenser heat generated by the plug-in refrigerator and / or freezer from the furniture be dissipated. A heat release to the (immediate) environment of the Plug-in refrigerated and / or freezer furniture is largely prevented.
  • the additional condenser (s) are preferably in a condenser of the Liquefaction circuit arranged bypass line.
  • the fluid line has a line coupling, preferably one Quick coupling, by means of which it can be connected to an external line network.
  • external line network is one within a retail store to understand installed line network to which the plug-in according to the invention Refrigerators and / or freezers can be connected via their fluid lines.
  • the external line network is in turn with outside and / or inside the Store arranged heat exchangers and / or consumers in Connection, so that the heat drawn from the furniture in a suitable place can be delivered or used.
  • the design described above has the advantage that even in the case of a Redesign of a supermarket or wholesale market a quick and easy removal and Connection of the plug-in refrigeration and / or freezer units according to the invention the external line network can be implemented.
  • the plug-in refrigerator and / or freezer preferably has at least one temperature sensor on and / or the plug-in cooling and / or Freezer furniture is assigned at least one temperature sensor.
  • the evaporator K is in liquid form Refrigerant (mixture) supplied and in this against the one to be cooled, in the cooling and / or Freezer circulating cooling air flow evaporates. Then that will evaporated refrigerant (mixture) via line 2 to the compressor 3 and after compression via lines 4, 6 and 8 to the (actual) condenser V1 of the liquefaction circuit. With a conventional one The 3-way valve 5 can of course dispense with the liquefaction circuit become. After re-liquefying the refrigerant (mixture) it in the condenser V1, this is again - as already described - via line 1 to the evaporator K fed.
  • the additional condenser V2 is via a fluid line 9 and 10 with one in the Figure not shown external line network connected.
  • a circulation pump 11 is provided in the fluid line, which Transport of the fluid passed through the additional condenser V2 within the external network supported.
  • a disadvantage of the plug-in cooling and / or Frozen furniture is that its production costs compared to generic furniture, that do not have an additional condenser are higher. This disadvantage, however compensated for by the advantages associated with the invention.
  • the invention creates the possibility of using the previously uncontrolled heat outlet disadvantages associated with plug-in refrigerators and / or freezers avoid and at the same time advantages in terms of the energy balance of a To achieve a retail store.

Abstract

A condensation circuit has an additional condenser (V2) connected in parallel or in series, which links to fluid pipes (9,10) and to the first condenser (V1) in the condensation circuit. If the first condenser and the additional condenser connect in parallel, the additional condenser fits in a bypass pipe (7) that surrounds the first condenser. Independent claims are also included for the following: (a) An arrangement of domestic refrigerators/deep freezers ready to plug in and connect up; (b) and for a method of operating a domestic refrigerator/deep freezer ready to plug in and connect up or of operating an arrangement of domestic refrigerators/deep freezers ready to plug in and connect up.

Description

Die Erfindung betrifft ein steckerfertiges Kühl- und/oder Tiefkühlmöbel, aufweisend wenigstens einen Verflüssigungskreislauf.The invention relates to a plug-in refrigerator and / or freezer, comprising at least one liquefaction circuit.

Ferner betrifft die Erfindung eine Anordnung von wenigstens zwei steckerfertigen Kühlund/oder Tiefkühlmöbeln.Furthermore, the invention relates to an arrangement of at least two plug-in cooling and / or Frozen furniture.

Des Weiteren betrifft die Erfindung ein Verfahren zum Betreiben eines steckerfertigen Kühl- und/oder Tiefkühlmöbels oder einer Anordnung von wenigstens zwei steckerfertigen Kühl- und/oder Tiefkühlmöbeln.Furthermore, the invention relates to a method for operating a plug-in Refrigerated and / or freezer furniture or an arrangement of at least two ready-to-plug-in refrigerators and / or freezers.

Unter dem Begriff "steckerfertiges Kühl- und/oder Tiefkühlmöbel" sind Kühl- und/oder Tiefkühlmöbel zu versehen, die sämtliche Aggregate, die für die Erzeugung einer (Tief)Kühltemperatur innerhalb des Möbels erforderlich sind, aufweisen. Derartige steckerfertige Kühl- und/oder Tiefkühlmöbel haben den großen Vorteil, dass sie schneller und einfacher in Betrieb genommen werden können und eine hohe Flexibilität beim Neu- sowie Umbau eines Ladengeschäftes ermöglichen.The term "plug-in refrigeration and / or freezer furniture" includes refrigeration and / or Freezer to provide all the aggregates necessary for the production of a (Low) cooling temperature inside the furniture are required. such Plug-in refrigerators and / or freezers have the great advantage that they can be put into operation faster and easier and a high degree of flexibility enable when building or remodeling a shop.

Jedoch wird die innerhalb derartiger Kühl- und/oder Tiefkühlmöbel entstehende warme Verflüssigungsluft ungeregelt über Außenmantelverflüssiger mittels im Außenmantel der Möbel angebrachte Verflüssigerrohre oder luftgekühlte Verflüssiger unmittelbar an die Umgebung der Möbel abgegeben.However, the warmth that arises within such refrigeration and / or freezer cabinets Liquefaction air uncontrolled via outer jacket condenser by means of in the outer jacket the condenser tubes or air-cooled condensers attached directly to the furniture the environment surrounding the furniture.

Bei einer Häufung von steckerfertigen Kühl- und/oder Tiefkühlmöbeln - wie sie in Super- bzw. Großmärkten der Regelfall ist - führt dies dazu, dass die Raumtemperatur ansteigt. Insbesondere während der Sommermonate kann dies über das erträgliche Maß hinaus erfolgen, so dass gegenklimatisiert werden muss. Von Vorteil hierbei ist jedoch, dass die steckerfertigen Kühl- und/oder Tiefkühlmöbel während der Heizperiode kostenlos - wenn auch ungeregelt - Wärme liefern.With a cluster of plug-in refrigerators and / or freezers - as in Supermarkets or hypermarkets is the norm - this leads to the room temperature increases. Especially during the summer months this can be tolerable Be carried out to a degree, so that air conditioning is required. This is an advantage however, that the plug-in refrigeration and / or freezer furniture during the Heating period free of charge - albeit unregulated - to supply heat.

Aufgabe der vorliegenden Erfindung ist es, ein gattungsgemäßes steckerfertiges Kühlund/oder Tiefkühlmöbel anzugeben, das die vorgenannten Nachteile vermeidet. The object of the present invention is to provide a generic plug-in cooling and / or Specify freezer furniture that avoids the aforementioned disadvantages.

Ferner liegt der vorliegenden Erfindung die Aufgabe zugrunde, eine Anordnung von wenigstens zwei steckerfertigen Kühl- und/oder Tiefkühlmöbeln sowie ein Verfahren zum Betreiben eines steckerfertigen Kühl- und/oder Tiefkühlmöbels oder einer Anordnung von wenigstens zwei steckerfertigen Kühl- und/oder Tiefkühlmöbeln zu schaffen, die bzw. das die vorgenannten Nachteile vermeidet.The present invention is also based on the object of an arrangement of at least two plug-in refrigerators and / or freezers and a method to operate a plug-in refrigerator and / or freezer or one Arrangement of at least two plug-in refrigerators and / or freezers create that avoids the aforementioned disadvantages.

Zur Lösung dieser Aufgabe wird ein steckerfertiges Kühl- und/oder Tiefkühlmöbel vorgeschlagen, das dadurch gekennzeichnet ist, dass der Verflüssigungskreislauf wenigstens einen zusätzlichen, parallel oder in Reihe geschalteten Verflüssiger aufweist und der zusätzliche Verflüssiger mit einer Fluidleitung verbunden und/oder verbindbar ist.A plug-in refrigerator and / or freezer is used to solve this task proposed, which is characterized in that the liquefaction circuit at least one additional condenser connected in parallel or in series has and the additional condenser connected to a fluid line and / or is connectable.

Die erfindungsgemäße Anordnung von wenigstens zwei steckerfertigen Kühl- und/oder Tiefkühlmöbeln zeichnet sich dadurch aus, dass die steckerfertigen Kühl- und/oder Tiefkühlmöbeln über ihre Fluidleitungen mit wenigstens einem zentralen Leitungsnetz verbunden und/oder verbindbar sind.The arrangement according to the invention of at least two plug-in cooling and / or Freezer furniture is characterized by the fact that the plug-in refrigeration and / or Freezer units via their fluid lines with at least one central line network are connected and / or connectable.

Das erfindungsgemäße Verfahren zum Betreiben eines steckerfertigen Kühl- und/oder Tiefkühlmöbels oder einer Anordnung von wenigstens zwei steckerfertigen Kühlund/oder Tiefkühlmöbeln ist dadurch gekennzeichnet, dass in Abhängigkeit von der oder den mittels wenigstens einem der Temperatursensoren ermittelten Temperatur ein Zu- oder Abschalten wenigstens eines zusätzlichen Verflüssigers und/oder ein Öffnen oder Schließen wenigstens einer Fluidleitung erfolgt.The inventive method for operating a plug-in cooling and / or Freezer or an arrangement of at least two plug-in refrigeration and / or Freezer is characterized in that depending on the or the temperature determined by means of at least one of the temperature sensors switching on or off at least one additional condenser and / or on At least one fluid line is opened or closed.

Sofern in der jeweiligen Fluidleitung eine Pumpe vorgesehen ist, kann das Öffnen oder Schließen dieser Fluidleitung auch dadurch erreicht werden, dass die Pumpe an- bzw. abgeschaltet wird.If a pump is provided in the respective fluid line, the opening or This fluid line can also be closed by turning the pump on or off. is switched off.

Erfindungsgemäß weist der Verflüssigungskreislauf des steckerfertigen Kühl- und/oder Tiefkühlmöbels nunmehr wenigstens einen zusätzlichen, parallel oder in Reihe geschalteten Verflüssiger auf.According to the invention, the liquefaction circuit of the plug-in cooling and / or Frozen furniture now at least one additional, parallel or in series switched on condenser.

Dieser ist mit einer Fluidleitung verbunden und/oder verbindbar, wobei in der Fluidleitung vorzugsweise Wasser und/oder eine Kältesole fließt bzw. zirkuliert. This is connected and / or connectable to a fluid line, in which Fluid line preferably water and / or a cold brine flows or circulates.

Mittels des bzw. der vorgenannten Fluide kann die an dem zusätzlichen Verflüssiger anfallende Wärme des steckerfertigen Kühl- und/oder Tiefkühlmöbels aus dem Möbel abgeführt werden. Eine Wärmeabgabe an die (unmittelbare) Umgebung des steckerfertigen Kühl- und/oder Tiefkühlmöbels wird dadurch weitestgehend verhindert.The one or more of the aforementioned fluids can be used on the additional condenser heat generated by the plug-in refrigerator and / or freezer from the furniture be dissipated. A heat release to the (immediate) environment of the Plug-in refrigerated and / or freezer furniture is largely prevented.

im Falle der Parallelschaltung von Verflüssiger und zusätzlichem Verflüssiger ist bzw. sind der bzw. die zusätzlichen Verflüssiger vorzugsweise in einer den Verflüssiger des Verflüssigungskreislaufes umgehenden Bypass-Leitung angeordnet.in the case of parallel connection of the condenser and additional condenser, or the additional condenser (s) are preferably in a condenser of the Liquefaction circuit arranged bypass line.

Mittels dieser Ausgestaltung des erfindungsgemäßen steckerfertigen Kühl- und/oder Tiefkühlmöbels ist es nunmehr möglich, das in dem Verflüssigungskreislauf zirkulierende Medium in jedem gewünschten Verhältnis auf den (eigentlichen) Verflüssiger des Verflüssigungskreislaufes sowie den zusätzlichen Verflüssiger zu verteilen.By means of this embodiment of the plug-in cooling and / or Freezer furniture is now possible in the liquefaction cycle circulating medium in any desired ratio to the (actual) Condenser of the liquefaction circuit as well as the additional condenser to distribute.

Gemäß einer weiteren vorteilhaften Ausgestaltung des steckerfertigen Kühl- und/oder Tiefkühlmöbels weist die Fluidleitung eine Leitungskupplung, vorzugsweise eine Schnellkupplung, mittels derer sie mit einem externen Leitungsnetz verbindbar ist, auf.According to a further advantageous embodiment of the plug-in cooling and / or Freezer furniture, the fluid line has a line coupling, preferably one Quick coupling, by means of which it can be connected to an external line network.

Unter dem Begriff "extemes Leitungsnetz" sei ein innerhalb eines Ladengeschäftes verlegtes Leitungsnetz zu verstehen, an das die erfindungsgemäßen, steckerfertigen Kühl- und/oder Tiefkühlmöbel über ihre Fluidleitungen angeschlossen werden können. Das externe Leitungsnetz steht wiederum mit außer- und/oder innerhalb des Ladengeschäftes angeordneten Wärmetauschem und/oder -verbrauchern in Verbindung, so dass die aus den Möbeln abgezogene Wärme an geeigneter Stelle abgegeben bzw. verwertet werden kann.Under the term "external line network" is one within a retail store to understand installed line network to which the plug-in according to the invention Refrigerators and / or freezers can be connected via their fluid lines. The external line network is in turn with outside and / or inside the Store arranged heat exchangers and / or consumers in Connection, so that the heat drawn from the furniture in a suitable place can be delivered or used.

Die vorbeschriebene Ausgestaltung hat den Vorteil, dass auch im Falle einer Neugestaltung eines Super- bzw. Großmarktes ein schnelles und einfaches Ab- sowie Anschließen der erfindungsgemäßen steckerfertigen Kühl- und/oder Tiefkühlmöbel an das externe Leitungsnetz realisierbar sind. The design described above has the advantage that even in the case of a Redesign of a supermarket or wholesale market a quick and easy removal and Connection of the plug-in refrigeration and / or freezer units according to the invention the external line network can be implemented.

Darüber hinaus weist das steckerfertige Kühl- und/oder Tiefkühlmöbel vorzugsweise wenigstens einen Temperatursensor auf und/oder dem steckerfertigen Kühl- und/oder Tiefkühlmöbel ist wenigstens ein Temperatursensor zugeordnet.In addition, the plug-in refrigerator and / or freezer preferably has at least one temperature sensor on and / or the plug-in cooling and / or Freezer furniture is assigned at least one temperature sensor.

In Abhängigkeit von der mittels des Temperatursensors ermittelten Temperatur der Umgebung des erfindungsgemäßen steckerfertigen Kühl- und/oder Tiefkühlmöbels kann dann ein Zu- bzw. Abschalten des oder der eigentlichen Verflüssiger und/oder wenigstens eines zusätzlichen Verflüssigers und/oder ein Öffnen oder Schließen wenigstens einer Fluidleitung realisiert werden.Depending on the temperature determined by means of the temperature sensor Environment of the plug-in refrigerator and / or freezer furniture according to the invention can then switch on or off the actual condenser or condensers and / or at least one additional condenser and / or opening or closing at least one fluid line can be realized.

Das erfindungsgemäße Verfahren zum Betreiben einer Anordnung von wenigstens zwei steckerfertigen Kühl- und/oder Tiefkühlmöbeln, wobei diese in einem Laden- oder Kühlraum angeordnet sind, weiterbildend wird vorgeschlagen, dass abhängig von der Temperatur in dem Laden- oder Kühlraum die über das externe Leitungsnetz aus wenigstens einem der steckerfertigen Kühl- und/oder Tiefkühlmöbel abgeführte Wärme zum Erwärmen und/oder Kühlen des Laden- oder Kühlraumes verwendet wird.The inventive method for operating an arrangement of at least two plug-in refrigerators and / or freezers, these in a shop or Are arranged in the refrigerator, further training it is proposed that depending on the Temperature in the store or cold room from the external network dissipated heat at least one of the plug-in refrigeration and / or freezer furniture is used to heat and / or cool the store or cold room.

Die Erfindung sowie weitere Ausgestaltungen derselben seien nachfolgend anhand des in der Figur dargestellten, schematisierten Ausführungsbeispieles näher erläutert.The invention and further refinements of the same are described below of the schematic, illustrated embodiment shown in the figure.

Dieses zeigt die wesentlichen Bestandteile eines Verflüssigungskreislaufes, wie er in steckerfertigen Kühl- und/oder Tiefkühlmöbeln realisiert wird.This shows the essential components of a liquefaction cycle as described in plug-in refrigerator and / or freezer furniture is realized.

Über die Leitung 1 wird dem Verdampfer K das in flüssiger Form vorliegende Kältemittel(gemisch) zugeführt und in diesem gegen den abzukühlenden, im Kühlund/oder Tiefkühlmöbel zirkulierenden Kühlluftstrom verdampft. Anschließend wird das verdampfte Kältemittel(gemisch) über Leitung 2 dem Verdichter 3 zugeführt und nach erfolgter Verdichtung über die Leitungen 4, 6 und 8 dem (eigentlichen) Verflüssiger V1 des Verflüssigungskreislaufes zugeführt. Bei einem herkömmlichen Verflüssigungskreislauf kann auf das 3-Wege-Ventil 5 selbstverständlich verzichtet werden. Nach erneuter Verflüssigung des Kältemittel(gemisch)es in dem Verflüssiger V1 wird dieses wieder - wie bereits beschrieben - über Leitung 1 dem Verdampfer K zugeführt. Via the line 1 the evaporator K is in liquid form Refrigerant (mixture) supplied and in this against the one to be cooled, in the cooling and / or Freezer circulating cooling air flow evaporates. Then that will evaporated refrigerant (mixture) via line 2 to the compressor 3 and after compression via lines 4, 6 and 8 to the (actual) condenser V1 of the liquefaction circuit. With a conventional one The 3-way valve 5 can of course dispense with the liquefaction circuit become. After re-liquefying the refrigerant (mixture) it in the condenser V1, this is again - as already described - via line 1 to the evaporator K fed.

Erfindungsgemäß ist nunmehr wenigstens ein zusätzlicher Verflüssiger V2 vorgesehen. Dieser kann entweder parallel oder in Reihe geschaltet zu dem eigentlichen Verflüssiger V1 des Verflüssigungskreislaufes angeordnet werden.According to the invention there is now at least one additional condenser V2 intended. This can either be connected in parallel or in series to the actual condenser V1 of the liquefaction circuit can be arranged.

Eine wie in der Figur dargestellte Verschaltung über das vorgenannte 3-Wege-Ventil 5 sowie die Bypass-Leitung 7 ermöglicht in Abhängigkeit der Stellung des 3-Wege-Ventiles 5 sowohl eine Reihen- als auch eine Parallelschaltung der beiden Verflüssiger V1 und V2 zueinander.An interconnection as shown in the figure via the aforementioned 3-way valve 5 and the bypass line 7 enables depending on the position of the 3-way valve 5 both a series and a parallel connection of the two condensers V1 and V2 to each other.

Der zusätzliche Verflüssiger V2 ist über eine Fluidleitung 9 und 10 mit einem in der Figur nicht dargestellten externen Leitungsnetz verbunden.The additional condenser V2 is via a fluid line 9 and 10 with one in the Figure not shown external line network connected.

Im Regelfall ist in der Fluidleitung eine Umwälzpumpe 11 vorgesehen, die den Transport des durch den zusätzlichen Verflüssiger V2 geführten Fluids innerhalb des externen Leitungsnetzes unterstützt.As a rule, a circulation pump 11 is provided in the fluid line, which Transport of the fluid passed through the additional condenser V2 within the external network supported.

Wie bereits erwähnt, lassen sich mit der in der Figur dargestellten Verschaltung der beiden Verflüssiger V1 und V2 unterschiedliche Verfahrensweisen realisieren. So kann das in dem Verflüssigungskreislauf zirkulierende Kältemittel(gemisch) bei gesperrter Leitung 6 beispielsweise zunächst durch den zusätzlichen Verflüssiger V2 und anschließend durch den eigentlichen Verflüssiger V1 geführt werden. Bei geöffneten Leitungen 6 und 7 kann eine Verteilung des Kältemittel(gemisches) auf die beiden Verflüssiger V1 und V2 erfolgen, während bei gesperrter Leitung 7 nur der eigentliche Verflüssiger V1 des Verflüssigungskreislaufes von dem Kältemittel(gemisch) durchströmt wird.As already mentioned, with the interconnection shown in the figure Implement different procedures for both condensers V1 and V2. So can the refrigerant (mixture) circulating in the condensing circuit when the Line 6, for example, first through the additional condenser V2 and then run through the actual condenser V1. When open Lines 6 and 7 can distribute the refrigerant (mixture) to the two Condensers V1 and V2 take place, while when line 7 is blocked only the actual one Condenser V1 of the liquefaction circuit from the refrigerant (mixed) is flowed through.

So ausschließlich eine Parallelschaltung der beiden Verflüssiger V1 und V2 realisiert werden, so erübrigen sich das 3-Wege-Ventil 5 sowie die Leitung 6.This means that only the two condensers V1 and V2 are connected in parallel the 3-way valve 5 and the line 6 are unnecessary.

Von Nachteil bei den erfindungsgemäßen steckerfertigen Kühl- und/oder Tiefkühlmöbeln ist, dass ihre Produktionskosten gegenüber gattungsgemäßen Möbeln, die keinen zusätzlichen Verflüssiger aufweisen, höher sind. Dieser Nachteil wird jedoch durch die mit der Erfindung verbundenen Vorteile kompensiert. A disadvantage of the plug-in cooling and / or Frozen furniture is that its production costs compared to generic furniture, that do not have an additional condenser are higher. This disadvantage, however compensated for by the advantages associated with the invention.

Die Erfindung schafft die Möglichkeit, die mit dem bisher ungeregelten Wärmeaustritt bei steckerfertigen Kühl- und/oder Tiefkühlmöbeln verbundenen Nachteile zu vermeiden und gleichzeitig Vorteile im Hinblick auf die Energiebilanz eines Ladengeschäftes zu erzielen.The invention creates the possibility of using the previously uncontrolled heat outlet disadvantages associated with plug-in refrigerators and / or freezers avoid and at the same time advantages in terms of the energy balance of a To achieve a retail store.

Claims (10)

Steckerfertiges Kühl- und/oder Tiefkühlmöbel, aufweisend wenigstens einen Verflüssigungskreislauf, dadurch gekennzeichnet, dass der Verflüssigungskreislauf wenigstens einen zusätzlichen, parallel oder in Reihe geschalteten Verflüssiger (V2) aufweist und der zusätzliche Verflüssiger (V2) mit einer Fluidleitung (9, 10) verbunden und/oder verbindbar ist.Plug-in refrigeration and / or freezer furniture, comprising at least one liquefaction circuit, characterized in that the liquefaction circuit has at least one additional condenser (V2) connected in parallel or in series and the additional condenser (V2) is connected to a fluid line (9, 10) and / or is connectable. Steckerfertiges Kühl- und/oder Tiefkühlmöbel nach Anspruch 1, das zwei oder mehr zusätzliche Verflüssiger aufweist, dadurch gekennzeichnet, dass die zusätzlichen Verflüssiger (V2) zu dem Verflüssiger (V1) des Verflüssigungskreislaufes und/oder zu dem oder den zusätzlichen Verflüssigern (V2) parallel und/oder in Reihe geschaltet sind.Plug-in refrigerator and / or freezer according to claim 1, which has two or more additional condensers, characterized in that the additional condensers (V2) to the condenser (V1) of the condensing circuit and / or to the additional condenser (s) (V2) in parallel and / or are connected in series. Steckerfertiges Kühl- und/oder Tiefkühlmöbel nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass im Falle der Parallelschaltung von Verflüssiger (V1) und zusätzlichem Verflüssiger (V2) der zusätzliche Verflüssiger (V2) in einer den Verflüssiger (V1) des Verflüssigungskreislaufes umgehenden Bypass-Leitung (7) angeordnet ist.Plug-in refrigerator and / or freezer according to claim 1 or 2, characterized in that in the case of the parallel connection of the condenser (V1) and additional condenser (V2), the additional condenser (V2) in a bypass which bypasses the condenser (V1) of the condensing circuit. Line (7) is arranged. Steckerfertiges Kühl- und/oder Tiefkühlmöbel nach einem der vorhergehenden Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Fluidleitung (9, 10) eine Leitungskupplung, vorzugsweise eine Schnellkupplung, mittels derer sie mit einem externen Leitungsnetz verbindbar ist, aufweist.Plug-in refrigeration and / or freezer unit according to one of the preceding claims 1 to 3, characterized in that the fluid line (9, 10) has a line coupling, preferably a quick coupling, by means of which it can be connected to an external line network. Steckerfertiges Kühl- und/oder Tiefkühlmöbel nach einem der vorhergehenden Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das steckerfertige Kühlund/oder Tiefkühlmöbel wenigstens einen Temperatursensor aufweist und/oder dem steckerfertigen Kühl- und/oder Tiefkühlmöbel wenigstens ein Temperatursensor zugeordnet ist. Plug-in refrigerator and / or freezer according to one of the preceding claims 1 to 4, characterized in that the plug-in refrigerator and / or freezer has at least one temperature sensor and / or at least one temperature sensor is assigned to the plug-in refrigerator and / or freezer. Anordnung von wenigstens zwei steckerfertigen Kühl- und/oder Tiefkühlmöbeln nach einem der vorhergehenden Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die steckerfertigen Kühl- und/oder Tiefkühlmöbeln über ihre Fluidleitungen (9, 10) mit wenigstens einem externen Leitungsnetz verbunden und/oder verbindbar sind.Arrangement of at least two plug-in refrigerators and / or freezers according to one of the preceding claims 1 to 5, characterized in that the plug-in refrigerators and / or freezers are connected and / or connectable to at least one external line network via their fluid lines (9, 10) are. Anordnung von wenigstens zwei steckerfertigen Kühl- und/oder Tiefkühlmöbeln nach Anspruch 6, dadurch gekennzeichnet, dass das externe Leitungsnetz als Fluid Wasser und/oder eine Kältesole aufweist.Arrangement of at least two plug-in refrigeration and / or freezer units according to claim 6, characterized in that the external line network has water and / or a cold brine as a fluid. Anordnung von wenigstens zwei steckerfertigen Kühl- und/oder Tiefkühlmöbeln nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass das externe Leitungsnetz mit wenigstens einem Wärme-/Kälteverbraucher verbunden und/oder verbindbar ist.Arrangement of at least two plug-in refrigeration and / or freezer units according to claim 6 or 7, characterized in that the external line network is connected and / or connectable to at least one heating / cooling consumer. Verfahren zum Betreiben eines steckerfertigen Kühl- und/oder Tiefkühlmöbels oder einer Anordnung von wenigstens zwei steckerfertigen Kühl- und/oder Tiefkühlmöbeln nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass in Abhängigkeit von der oder den mittels wenigstens einem der Temperatursensoren ermittelten Temperatur ein Zu- oder Abschalten des oder der Verflüssiger (V1) und/oder wenigstens eines zusätzlichen Verflüssigers (V2) und/oder ein Öffnen oder Schließen wenigstens einer Fluidleitung (9, 10) erfolgt.Method for operating a plug-in refrigerator and / or freezer or an arrangement of at least two plug-in refrigerators and / or freezers according to one of the preceding claims, characterized in that depending on the or the temperature determined by means of at least one of the temperature sensors, or switching off the one or more condensers (V1) and / or at least one additional condenser (V2) and / or opening or closing at least one fluid line (9, 10). Verfahren nach Anspruch 9, wobei das oder die steckerfertigen Kühl- und/oder Tiefkühlmöbel in einem Laden- oder Kühlraum angeordnet sind, dadurch gekennzeichnet, dass abhängig von der Temperatur in dem Laden- oder Kühlraum die über das externe Leitungsnetz aus wenigstens einem der steckerfertigen Kühlund/oder Tiefkühlmöbel abgeführte Wärme zum Erwärmen und/oder Kühlen des Laden- oder Kühlraumes verwendet wird.A method according to claim 9, wherein the plug-in refrigeration and / or freezer furniture is arranged in a shop or cold room, characterized in that, depending on the temperature in the shop or cold room, the via the external line network from at least one of the plug-in refrigeration and / or freezer furniture dissipated heat is used to heat and / or cool the store or cold room.
EP04005169A 2003-03-07 2004-03-04 A connection-ready refrigerator and arrangement of such a refrigerator Expired - Lifetime EP1455149B1 (en)

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DE10310152A DE10310152A1 (en) 2003-03-07 2003-03-07 Plug-in refrigerator and arrangement of such refrigerators
DE10310152 2003-03-07

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JP2013096614A (en) * 2011-10-31 2013-05-20 Mitsubishi Electric Corp Refrigerator
US20130186116A1 (en) * 2012-01-19 2013-07-25 Samuel M. Sami Outside air water source heat pump
CN104359243A (en) * 2014-11-27 2015-02-18 合肥华凌股份有限公司 Refrigeration system for refrigerator and refrigerator
DE102016115604A1 (en) 2016-08-23 2018-03-01 Aht Cooling Systems Gmbh refrigerated cabinet

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EP0355180A2 (en) * 1988-08-17 1990-02-28 Nippon Telegraph And Telephone Corporation Cooling apparatus and control method
JPH11264617A (en) * 1998-03-18 1999-09-28 Sanyo Electric Co Ltd Freezing refrigerator
WO2001020234A1 (en) * 1999-09-15 2001-03-22 Ut-Battelle, Llc. Combination of a refrigerator and a heat pump and a water heater
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JP2013096614A (en) * 2011-10-31 2013-05-20 Mitsubishi Electric Corp Refrigerator
US20130186116A1 (en) * 2012-01-19 2013-07-25 Samuel M. Sami Outside air water source heat pump
CN104359243A (en) * 2014-11-27 2015-02-18 合肥华凌股份有限公司 Refrigeration system for refrigerator and refrigerator
DE102016115604A1 (en) 2016-08-23 2018-03-01 Aht Cooling Systems Gmbh refrigerated cabinet
WO2018037012A1 (en) 2016-08-23 2018-03-01 Aht Cooling Systems Gmbh Refrigerated display case
DE102016115604B4 (en) * 2016-08-23 2020-10-01 Aht Cooling Systems Gmbh Refrigerated counter

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DE502004008890D1 (en) 2009-03-12
ATE421666T1 (en) 2009-02-15
DE10310152A1 (en) 2004-09-16
EP1455149B1 (en) 2009-01-21
ES2319283T3 (en) 2009-05-06

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