EP0639256B1 - Einrichtung zur regeneration von wärme oder kälte für ein kältespeichermodul - Google Patents

Einrichtung zur regeneration von wärme oder kälte für ein kältespeichermodul Download PDF

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Publication number
EP0639256B1
EP0639256B1 EP93910123A EP93910123A EP0639256B1 EP 0639256 B1 EP0639256 B1 EP 0639256B1 EP 93910123 A EP93910123 A EP 93910123A EP 93910123 A EP93910123 A EP 93910123A EP 0639256 B1 EP0639256 B1 EP 0639256B1
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EP
European Patent Office
Prior art keywords
fluid
exchange element
container
store
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.)
Expired - Lifetime
Application number
EP93910123A
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English (en)
French (fr)
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EP0639256A1 (de
Inventor
René Grandi
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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
    • F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/02—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating liquids, e.g. brine
    • 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
    • F25D11/006—Self-contained movable devices, e.g. domestic refrigerators with cold storage accumulators
    • 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
    • F25D15/00—Devices not covered by group F25D11/00 or F25D13/00, e.g. non-self-contained movable devices
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/28—Quick cooling
    • 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
    • F25D2400/00—General features of, or devices for refrigerators, cold rooms, ice-boxes, or for cooling or freezing apparatus not covered by any other subclass
    • F25D2400/38—Refrigerating devices characterised by wheels

Definitions

  • the invention relates to a device for regenerating and translating joules or frigories, according to the preamble of claim 1.
  • Containers or transport trolleys are known, the refrigeration of which is effected by technical plates or pockets containing a refrigerant accumulator fluid, or else the refrigeration operates by "direct expansion" of refrigerant gas, or alternatively by accumulator exchanger cold.
  • Patent FR 446 689 (THERCY) describes a refrigerated van for transporting foodstuffs equipped with a metal box containing water and furrowed by coils. Before loading the van, the network of coils is connected to a refrigeration unit in order to transform the water contained in the box into ice. Once the temperature of the van has dropped to the desired point, the food is loaded into it, the coils disconnected from the refrigeration unit and the van transported to the place of distribution.
  • Patent FR 2 652 885 describes a mobile trolley for transporting and storing meal trays refrigerated and reheated by means of a refrigeration unit which can be disconnected from the trolley and which remains at the point of distribution.
  • the mobile trolley after being loaded, is brought to the distribution point and connected to the refrigeration unit in order to keep the contents of the trolley at low temperature, then to bring it to the consumption temperature at the desired time.
  • the trolley includes a "nanny" for accumulating frigories supplied with refrigerant gas by a refrigeration unit located at the place of loading, or by a refrigeration ramp in a cold room.
  • the device which is the subject of the invention, defined in claim 1, avoids these drawbacks and makes it possible to quickly refrigerate a module intended to keep a cold, a transport container, without that this container being permanently connected to a refrigerated source.
  • the device which will be described as being a container which comes to refuel or recharge in frigories, in the same way as an automobile is recharged with fuel.
  • One of its advantages is that it always has an available reserve of frigories to immediately start to cold load the connected container, and to recover the fluid from the latter to refrigerate it in frigories. This avoids waiting usual cooling down of any system refrigerated directly by cold compressor.
  • This assembly comprises a group with cold compressor which feeds two coil exchangers immersed in an antifreeze fluid contained respectively in two separate reserves.
  • This specific antifreeze fluid remains fluid at very low temperatures down to minus 30 ° C.
  • the coils producing cold allow the temperature of this antifreeze fluid to drop.
  • These frigory generating reserves are connected to an exchanger plate located in the transport container, by rigid and / or flexible tubes, leading the refrigerated fluid.
  • Each reserve has two tubes, one for the evacuation and the other for the return of the refrigerated fluid.
  • Each end of the tube has an opening and closing valve, as well as each inlet and outlet opening of the exchanger plate.
  • the reserves are used alternately, one being full of refrigerated fluid ready to be sent to the exchanger plate of the container and the other is empty, to receive the return of the fluid from the exchanger plate, which was used during transport. container, has lost its cooling effect and returns to regenerate in frigories for the next container.
  • the device includes two cold compressors, one for each reserve.
  • Any means can be used for this, in particular a 4-way valve or two 2-way valves, motorized or not.
  • the 4-way valve can manage the tilting alone, by alternately operating the reserves and the tubes two by two.
  • valves can be programmed electronically allowing control of filling, emptying and the availability of reserves.
  • the exchanger plate is part of the mobile container, it can be either integral or preferably can be disconnected for maintenance or replacement in the event of damage.
  • the interior of the exchanger plate includes baffles, such as a labyrinth, thus the fluid already loaded with frigories coming from its reserve makes it possible to redistribute them, immediately without loss of time, in the container during transport.
  • baffles such as a labyrinth
  • One tube is used to introduce the fluid and the other to evacuate it.
  • the tubes On each reserve, the tubes have a circulation pump used to propel the refrigerated fluid to the heat exchanger plate and by this thrust makes it possible to expel and return the return fluid, having lost its refrigerating force, into the reserve of reception.
  • a valve on the top of the reserve and one on the exchanger plate allow the evacuation of air during the return of the fluid.
  • the tubes connecting the cold stores and groups to the mobile container are held on a ramp comprising a hoist which maintains the mobile end of the tubes, which can therefore, by the mobility of the hoist, motorized or counterweight, adapt them to n any height and container capacity.
  • the refrigeration carried out in the container causing condensation comprises at the base of its capacity, an orifice for discharging these condensates.
  • Another orifice is also provided, to effect the connection of a water supply, to allow automatic washing of the container, valves distributed inside the capacity are provided for spraying any walls of this capacity, the water from washing discharging through the condensate orifice.
  • Figure 1 shows a sectional view of the device in its version of double refrigeration unit, it is connected to the baffle plate-exchanger of a mobile transport container.
  • Figure 2 shows two diagrams of the alternating circulation of the refrigerant, in A the diagram is represented with a 4-way valve and in B with two 2-way valves.
  • FIG. 3 shows a brief section of the heat exchanger plate equipped with baffles.
  • Figure 4 shows a perspective of the entire device in a charging station with several containers.
  • FIG. 1 we can see the device comprising the reserves 1 and 2 of refrigerated fluid 3 by the coils 4 of the cold compressors 5 and 6.
  • Each reserve comprises an outlet tube 7 and 8 and a return tube 9 and 10 of the refrigerated fluid 3.
  • the tubes 7 and 8 each include a pump 11 and 12 for sending the refrigerated fluid into the exchanger plate 13 of the mobile container 14, which has baffles 15.
  • a 4-way valve 16 manages the alternation of the two reserves 1 and 2.
  • the flexible tubes 7, 8 of inlet and outlet 9, 10 of the refrigerated fluid are connected to the exchanger plate 13 by double valves 17 and 18 with quick coupling, these tubes are suspended by a hoist 19 with counterweight 20.
  • a stay 21 maintains everything as well as the tubes and 4-way valve.
  • An insulating capacity 29 makes it possible to preserve and isolate the tubes.
  • the container 14 has at its base the orifices 22 for discharging the condensates and 23 for the connection of a water tube for cleaning.
  • Diagrams A and B of FIG. 2 each show the two reserves 1, 2, and their coil 4, they are placed side by side and each have their cold compressor 5, 6.
  • the exchanger plate 13 of the container 14 contains the baffles 15, allowing good circulation and distribution of the refrigerated fluid 3.
  • the track valve 16 allows the management and the alternation of the two reserves: when the reserve 1 is filled with refrigerated fluid, the reserve 2 is empty, thus the tube 7 sends by its pump 11 the fluid in the exchanger plate 13, which has been emptied or at the same time empties of its fluid through the return tube 10 to the empty reserve 2 for reception which can then again refrigerate the fluid.
  • the 4-way valve 16 therefore obstructed the circuit of the tubes: sending 8 and returning 9.
  • each of the 2-way valves 24 and 25 allows the switching from one reserve to the other: the valve 24 manages the tubes 7 and 8, and the valve 25: 9 and 10.
  • the exchanger plate 13 of FIG. 3 includes the baffles 15 allowing a better distribution of the refrigerated fluid 3. The fluid is renewed each time the container is returned or loaded.
  • the device recharges a container 14.
  • a recharging station 28 can thus be constituted at the places of departure and arrival of the containers by a series of devices.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Claims (5)

  1. Einrichtung zur Regeneration und Übertragung von positiven und negativen Wärmeinhalten (Joule bzw. Frigories), diese Einrichtung dazu ausgebildet, um die sofortige Beschickung eines Plattenwärmeaustauschers (13) mit negativem Wäremeinhalt (Frigories) 13 zu ermöglichen, und zwar eines Plattenwärmeaustauschers (13), der dazu bestimmt ist, einen Behälter oder einen mobilen Kühlhaltewagen (14) während seines Transports kühlzuhalten,
    dadurch gekennzeichnet,
    daß diese Einrichtung mindestens eine permanent gekühlte Reserve (1, 2) für ein gefriergeschütztes Fluid (3) umfaßt, welche Reserve - angekuppelt an ein Netz von Vorlaufrohren (7, 8) und Rücklaufrohren (9, 10) - die direkte Nachfüllung des Plattenwärmeaustauschers (13) des Behälters mit gekühltem Fluid (3) erlaubt und daß die Einrichtung eine weitere Reserve (2, 1) umfaßt, welche ebenfalls an das besagte Netz von Rohren (7 - 10) angekuppelt ist und die Wiedergewinnung des Rücklauffluids gestattet, wenn dieses nach Abgabe seines Kälteinhalts von dem Plattenwärmeaustauscher (13) zurückkommt,um dieses erneut abzukühlen, und daß Rohrschlangen (4) bleibend in jeder der Reserven (1, 2) installiert und ständig mittels eines Kältekompressors (5 und 6) gukühlt sind, welcher der jeweiligen Reserve zugeordnet ist, um das in der jeweiligen Reserve vorhandene Fluid zu kühlen.
  2. Einrichtung nach Anspruch 1,
    dadurch gekennzeichnet,
    daß jede der Reserven (1 und 2) alternierend arbeitet, um entweder das gefriergeschützte Fluid (3) zu kühlen oder zu regenerieren, wobei eine erste Reserve (1 oder 2) dazu dient, das Fluid (3) zu kühlen und den Plattenwärmeaustauscher (13) neu zu beschicken und wobei die zweite Reserve (2 oder 1) dazu dient, das von dem Plattenwärmeaustauscher (13) zurücklaufende Fluid zu sammeln, um es in dieser zweiten Reserve zu regenerieren mit dem Ziele, daß dieses zurücklaufende Fluid später in den Plattenwärmeaustauscher (13) zurückgeführt wird, der dem bereits genannten oder einem anderen Behälter (14) zugeordnet ist, wobei dann die erste Reserve wieder das Rücklauffluid aufnimmt usw.
  3. Einrichtung nach Anspruch 2,
    dadurch gekennzeichnet,
    daß der alternierende Einsatz der Reserven (1 und 2) durch ein 4-Wegeventil (16) oder durch zwei 2-Wegeventile (24, 25) manueller oder motorisierter Art gesteuert wird, wobei im ersteren Fall durch das 4-Wegeventil (16) das Rohrnetz mit allen vier Rohren (7, 8, 9, 10) und im letzteren Fall durch die zwei 2-Wegeventile (24, 25) das Rohrnetz mit jeweils zwei Rohren (7, 10 bzw. 8, 9) gesteuert wird mit der Folge des automatischen Fluidzulaufs (3) von einer Reserve zu dem Plattenwärmeaustauscher (13) und des Fluidrücklaufs von diesem Plattenwärmeaustauscher zu der jeweils zweiten Reserve und umgekehrt.
  4. Einrichtung nach Anspruch 1,
    dadurch gekennzeichnet,
    daß der Plattenwärmeaustauscher (13) Ablenkteile (15) im Hinblick auf eine verbesserte Verteilung und Akkumulation des Kälteinhalts des Fluids (3) besitzt.
  5. Einrichtung nach einem der vorangehenden Ansprüche,
    dadurch gekennzeichnet,
    daß der Behälter (14) Kondensatableitungsmittel (22) umfaßt und daß ein Rohr- und Düsennetz (23) zur Reinigung des Behälters (14) vorgesehen ist, welches unter Einsatz von Wasser oder Dampf arbeitet.
EP93910123A 1992-05-15 1993-05-14 Einrichtung zur regeneration von wärme oder kälte für ein kältespeichermodul Expired - Lifetime EP0639256B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9206161A FR2691237B1 (fr) 1992-05-15 1992-05-15 Dispositif de regeneration de joules ou de frigories pour module d'accumulation et de distribution de froid.
FR9206161 1992-05-15
PCT/FR1993/000471 WO1993023712A1 (fr) 1992-05-15 1993-05-14 Dispositif de regeneration de joules ou frigories pour module d'accumulation de froid

Publications (2)

Publication Number Publication Date
EP0639256A1 EP0639256A1 (de) 1995-02-22
EP0639256B1 true EP0639256B1 (de) 1996-04-10

Family

ID=9430002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93910123A Expired - Lifetime EP0639256B1 (de) 1992-05-15 1993-05-14 Einrichtung zur regeneration von wärme oder kälte für ein kältespeichermodul

Country Status (5)

Country Link
EP (1) EP0639256B1 (de)
DE (1) DE69302170T2 (de)
ES (1) ES2086226T3 (de)
FR (1) FR2691237B1 (de)
WO (1) WO1993023712A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725265B1 (fr) * 1994-09-30 1996-12-13 Grandi Rene Vincent Dispositif de regulation et de transfert de fluides frigorifiques ou caloriques pour conteneurs de transport
FR2735852B1 (fr) * 1995-06-23 1997-09-12 Electro Calorique Chariot isotherme et installation pour assurer le refroidissement de chariots isothermes
NO954600A (no) * 1995-11-14 1997-04-28 Kvaerner Asa Fremgangsmåte til kjøling av beholdere samt et kjølesystem for utførelse av fremgangsmåten
NL1003182C2 (nl) * 1996-05-22 1997-03-25 Hermanus Albertus Kosse Koelinrichting, transportmiddel voorzien van koelinrichting, houder en samenstel van koelinrichting en houder.
GB2324852A (en) * 1997-02-06 1998-11-04 Ind Design Consultancy Limited Controlling the temperature of products during distribution
FR2770897B1 (fr) * 1997-11-10 2000-01-28 Kamal Oulounis Appareil refroidisseur d'eau monobloc
NL1012704C2 (nl) * 1999-07-26 2001-01-29 Gerardus Johannus Wilhelmus He Inrichting en werkwijze voor het koelen van portioneerapparatuur.
NL1019756C2 (nl) * 2002-01-16 2003-07-17 Ecofys B V Werkwijze voor het koelen of verwarmen van een transportmiddel, en een transportmiddel.
FR2868671B1 (fr) * 2004-04-07 2008-08-01 Electro Calorique Soc Par Acti Chariot isotherme et installation pour assurer le refroidissement de chariots isothermes
DE102006001781A1 (de) * 2006-01-12 2007-07-19 Hubert Goseling Verfahren zum Betrieb eines Speiseverteilsystems und Vorkühleinrichtung
US20110067852A1 (en) * 2009-09-21 2011-03-24 David Scott Farrar Temperature controlled cargo containers
US10752434B2 (en) * 2009-09-21 2020-08-25 Sonoca Development, Inc. Temperature controlled cargo containers
DE102010043245A1 (de) * 2010-11-03 2012-05-03 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät mit Pufferspeicher
US9212751B2 (en) * 2012-09-28 2015-12-15 Robertshaw Controls Company Valve system and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR446689A (fr) * 1911-10-07 1912-12-12 Charles Theryc Fourgons frigorifiques transportables aménagés en vue de constituer des entrepots urbains ou régionaux pour la conservation des poissons, viandes et autres denrées
FR2652885B1 (fr) * 1988-09-14 1994-05-20 Rene Grandi Dispositif a echangeur accumulateur de frigories a raccord rapide, avec nourrice d'accumulation a reserve pour compensation de perte de gaz refrigerant.
CH680085A5 (de) * 1989-08-10 1992-06-15 Spectron Laser Gmbh

Also Published As

Publication number Publication date
FR2691237B1 (fr) 1996-05-10
FR2691237A1 (fr) 1993-11-19
ES2086226T3 (es) 1996-06-16
DE69302170T2 (de) 1996-08-22
WO1993023712A1 (fr) 1993-11-25
DE69302170D1 (de) 1996-05-15
EP0639256A1 (de) 1995-02-22

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