EP0781394B1 - Vorrichtung zur geregelten kälteübertragung zwischen einem kältespeicher und einem kälteraum - Google Patents
Vorrichtung zur geregelten kälteübertragung zwischen einem kältespeicher und einem kälteraum Download PDFInfo
- Publication number
- EP0781394B1 EP0781394B1 EP95933455A EP95933455A EP0781394B1 EP 0781394 B1 EP0781394 B1 EP 0781394B1 EP 95933455 A EP95933455 A EP 95933455A EP 95933455 A EP95933455 A EP 95933455A EP 0781394 B1 EP0781394 B1 EP 0781394B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- enclosure
- store
- exchange
- heat
- 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
Links
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- 238000001816 cooling Methods 0.000 title claims description 5
- 230000006641 stabilisation Effects 0.000 claims description 16
- 239000003507 refrigerant Substances 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 12
- 239000004020 conductor Substances 0.000 claims description 5
- 238000007710 freezing Methods 0.000 claims description 5
- 230000008014 freezing Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
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- 238000004804 winding Methods 0.000 claims 1
- 238000011105 stabilization Methods 0.000 description 12
- 230000033228 biological regulation Effects 0.000 description 11
- 239000007788 liquid Substances 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 8
- 238000005057 refrigeration Methods 0.000 description 7
- 239000013529 heat transfer fluid Substances 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 description 3
- 235000011089 carbon dioxide Nutrition 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000008929 regeneration Effects 0.000 description 3
- 238000011069 regeneration method Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 235000003363 Cornus mas Nutrition 0.000 description 1
- 240000006766 Cornus mas Species 0.000 description 1
- 208000002193 Pain Diseases 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- QEVHRUUCFGRFIF-MDEJGZGSSA-N reserpine Chemical compound O([C@H]1[C@@H]([C@H]([C@H]2C[C@@H]3C4=C(C5=CC=C(OC)C=C5N4)CCN3C[C@H]2C1)C(=O)OC)OC)C(=O)C1=CC(OC)=C(OC)C(OC)=C1 QEVHRUUCFGRFIF-MDEJGZGSSA-N 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- 229920002994 synthetic fiber Polymers 0.000 description 1
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Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0208—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes using moving tubes
-
- 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
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/02—Devices using other cold materials; Devices using cold-storage bodies using ice, e.g. ice-boxes
- F25D3/06—Movable containers
-
- 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
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/12—Devices using other cold materials; Devices using cold-storage bodies using solidified gases, e.g. carbon-dioxide snow
- F25D3/125—Movable containers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
-
- 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
- F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
- F25D2331/80—Type of cooled receptacles
- F25D2331/804—Boxes
-
- 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 the regulated transfer of frigories between a cold store and a cold storage enclosure as defined in the preamble of claim 1.
- a device for the regulated transfer of frigories between a cold store and a cold storage enclosure as defined in the preamble of claim 1.
- Such a device is known, for example, from document EP-A-0 166 086.
- the device applies to any isolated enclosure in which the frigories ensuring the conservation comes from a reserve which can be constituted by an added box in the enclosure or on the enclosure, or by a separate compartment arranged above the enclosure.
- the problem underlying the invention is that of temperature regulation. in the conservation enclosure, while the emission of frigories is permanent and uncontrollable, whatever the source, namely cartons containing frozen fluid, plate containing eutectic liquid, brine, or dry ice in the form of snow, sorbet, or bread.
- the first is that of the consumption of frigories which, depending on the outside temperature, the overall insulation coefficient of the container, and the duration of the transport and / or storage, is highly variable and leads to overconsumption, when all the energy is not consumed, since it is planned in a quantity greater than the real needs. or deterioration of the foodstuffs, or of the products to be preserved, when the quantity supplied is insufficient for the shelf life.
- the second drawback is encountered more particularly in the use of the dry ice which, due to its temperature of the order of - 70 ° to -80 ° C, can manage, despite the presence of protective screens, to freeze, burn or dehydrate food perishable.
- EP - A 136 458 and EP - A 166 086 describe devices distribution of frigories between a reserve and an enclosure using networks thermal tubes, also called heat pipes, composed of closed tubes containing, under vacuum, a heat transfer fluid removing the frigories from the reserve to bring them into the enclosure.
- thermal tubes also called heat pipes
- the object of the present invention is to remedy these drawbacks by providing a device for the regulated transfer of frigories between a reserve and a conservation enclosure, device for regulating the temperature in the enclosure, regardless of the power of the refrigerant installed in the reserve, while considerably reducing the consumption of this means.
- the heat pipe is composed by an exchange and regulation plate placed in the enclosure, below the reserve and near but without contact with the insulating wall separating the reserve and the enclosure, this plate, provided with an internal serpentine network for the heat transfer fluid and, on one side, at least one sensor tube communicating with the aforementioned network and penetrating into the reserve of frigories by a channel of the insulating wall, being mounted oscillating around a horizontal transverse axis between two positions, arranged on either side of the plane horizontal, i.e.
- the drive means cause the plate to tilt so that, part, the latter coming in the stabilization position, either inclined from the bottom upwards starting of the sensor tube and that the end of the sensor tube is no longer in the reserve. but in the wall separating this reserve from the conservation enclosure.
- the sensor tube is no longer in the reserve of frigories and the plate no longer having the adequate inclination, the cold can no longer be taken to the conservation area.
- the sensor tube rigid and integral with the plate, has at its free end a suitable insulating plug, when the plate is in stabilization position, to close the communication channel between the reserve and the enclosure of conservation to interrupt any heat exchange with the reserve.
- the sensor tube consists of a body tubular, elastically deformable longitudinally, sealingly passing through the channel of the insulating wall, the end of which, arranged in the reserve, is connected to the heat transfer fluid network of a transfer plate which, similar to the exchange plate and regulation with which it forms a single heat pipe, is arranged on the bottom of the reserve, in a fixed manner and is inclined from the top downwards towards the sensor tube.
- This transfer plate which is therefore permanently placed in the reserve of frigories, reduces the response time of the heat pipe when the exchange plate and regulation is brought to the exchange position but does not influence the emission of frigories when the exchange plate is in the stabilization position, since precisely the circulation of the heat transfer fluid within the heat pipe is interrupted by the reversal of the angular position of the exchange plate.
- the device according to the invention brings significant progress to the control of the temperature regulation in the conservation enclosure, while allowing, with the same refrigerant mass to save the emission of frigories and to increase the autonomy, therefore to increase the shelf life.
- the reference numeral 1 designates the container with its reserve 2 of frigories. These two elements have insulating walls 3 and are therefore separated by a wall 3a.
- the regulation device is composed of a plate 7, of transfer and exchange, containing a meandering network 6, shown here by a serpentine.
- This network filled with heat transfer fluid after being emptied of air, is part of the heat pipe also comprising at least one sensor tube 5 projecting vertically upwards from the plate 7.
- the plate 7 which is made of heat conductive material, and by example in metal such as stainless steel or aluminum, is arranged in the enclosure, below and close, but without contact, to the wall 3a separating the enclosure 10 from the reserve 2.
- Figure 3 shows that this plate has, plan view from above, a shape general rectangular, whose dimensions are smaller than those of the section transverse of the enclosure 10 in which the plate is called to move. Indeed, this plate is mounted oscillating around a horizontal transverse axis, materialized by the two tenons 12, visible in FIG. 3. It can oscillate on either side of the horizontal plane between an exchange position, represented at A in FIG. 2, and a stabilization position, shown in B in Figure 1.
- the sensor tube 5 extends the heat transfer coil and is provided at its end free, which enters the reserve of frigories 2, of a plug 8 of insulating material of which the usefulness will be specified later.
- the plate 7 By its edge, which is opposite to that equipped with the sensor tube 5, the plate 7 is connected to motor means which, in the embodiment of Figures 1 to 4, include an electric motor 11 powered by batteries 22 actuating an endless screw 23. This screw endless cooperates with a nut, not shown, linked to the plate. Motor power 11 is under the control of a thermostat 9, placed in the enclosure of conservation 10.
- the cold store 2 is provided with a hatch 13 enabling it to be filled with refrigeration products which may consist of glycol 19 or ice packs carbon dioxide 20.
- This reserve also has a valve 14 used for degassing the gaseous products and a sheet metal 15 protecting the sensor tube, so that its movement does not is not hindered by any product or refrigerant.
- a trap door 16 is used for exchanging the batteries 22 and for controlling the motor 11, which can moreover be replaced by an electromagnet.
- the plate 7 is in the stabilization position and therefore inclined from the bottom at the top from the sensor tube. In this position, it opposes the circulation of frigories in the coil 6 of the heat pipe and therefore interrupts any emission of frigories in direction of the conservation area. It will be noted that, in this position, the plug 8 of the sensor tube 5 seals the end of the communication conduit 4 between the reserve 2 and the enclosure 10 and thus avoids any heat exchange by direct conduction.
- the thermostat 9 triggers the supply of the motor 11 which, by screw 21, swings the plate from its stabilization position B to its exchange position A in which it is inclined up and down starting from the sensor tube 5.
- the plate 7 has a inclination which with respect to the horizontal plane is at least of the order of 3 °, in order to allow the operation of the heat pipe.
- the inclination of the exchange plate, in its stabilization position is of the same order, but may be lower, the main thing being that the plate passes beyond the horizontal position to stop the operation of the heat pipe.
- the temperature regulation in the enclosure is done according to the all or nothing principle, and automatically. This allows to reduce the consumption of refrigerated products and increase the duration of consumption compared to current containers not containing such a device.
- Figure 4 shows a complete and equipped transport container. His enclosure 10 is equipped with shelves 18 and a grid 17 protecting the plate and preventing its travel space is congested with products or foodstuffs stored in the enclosure.
- the sensor tube 5a is constituted by a tubular body deformable longitudinally in an elastic manner and, by example, originally having folding zones facilitating its longitudinal deformation.
- this sensor tube communicates by its lower end with the network 6 of plate 7, but in addition, it communicates by its upper end with a coil 26 circulating in a transfer plate 27, arranged on the bottom of the reserve 2 of frigories.
- the plate 27 occupies a fixed position and is inclined relative to horizontally, from top to bottom, going towards the sensor tube 5a.
- Network 26, network 6 and intermediate sensor tube 5a define the same heat pipe.
- the transfer plate 27, in direct contact with refrigerants 19 or 20, supplies plate 7 more quickly with refrigerants when it passes into the exchange position, shown in FIG. 6. It will be noted that in this plate exchange position 7, the tube 5a is compressed longitudinally, without this affects the circulation of the heat transfer fluid which flows through it between the transfer plate 27 and the exchange plate 7 and vice versa.
- the tilting of the plate 7 can be ensured by the same motor means than those described in the previous embodiment or by those described in Figures 5 and 6.
- These means are essentially composed of a bar 28 made of a good conductive material heat constituting, at the same time, means for detecting the temperature in the enclosure 10 and motor means.
- this bar is arranged vertically against one of the vertical walls of the enclosure 10 with respect to which it is guided in longitudinal translation. It rests on the lower wall of the enclosure and is provided at its upper end with a head 29 supported with interposition of a spring 30 against the free end of the plate 7. It is easy to see that the variations in temperature in the enclosure 10 cause variations in the length of the bar 8 and, in consequence, variations in the angular position of the plate 7 relative to the plane horizontal.
- the spring 30 makes it possible to absorb the large elongations of the bar 28, by example, in the case of very hot weather, by avoiding that the bar destroys the plate 7 and the regulating device.
- the bar 28a is arranged horizontally in sliding bearings, not shown, below the plate 7 in the gap between plate 7 and the protective grid 17.
- One of its ends is fixed against the vertical wall of the container arranged on the side of the sensor tube 5a and its other end is in abutment against a lever 31 actuating a finger 32 projecting towards the bottom of plate 7.
- the bar can be made of metal, but it can also be made of synthetic material and, for example, in a polyethylene having a good coefficient of expansion such as high density polyethylene having a coefficient of expansion of the order 0.004.
- the regulating device according to the invention can be used whatever the nature the products or means constituting the reserve of frigories.
- the reserve 2a can be arranged to receive a liquid 35, is freezing at a temperature below the storage temperature in the enclosure, and include, for this purpose, a conduit 36 for supplying the liquid reserve and a conduit 37 for draining this liquid, but also a cooling coil 38 for this liquid.
- the two ends 38a and 38b of the coil respectively pass through one of the insulating walls 3 of the reserve 2 and are provided with fittings 39a.
- 39b can be connected to a refrigeration unit supplying a refrigerant at a temperature lower than that liquid 35 contained in the reserve.
- Figure 9 shows the regeneration of the cold store 2 using a device 40 comprising a refrigeration unit 42 whose coil 43 ensures the cooling of a refrigerant 44, placed in an insulating container 45.
- the regeneration of reserve 2a is carried out by making circulate the refrigerant 44 towards this reserve. Trailing the coil 38, this liquid causes the fluid 35 to freeze. As soon as this is reached, the fittings 48a and 48b are disconnected and the container can be used to receive the products from which it conservation must be ensured.
- the exchange plate 27 by its large contact surface with the frozen product, promotes the transmission of frigories to the heat pipe.
- the container is returned to loading station 40.
- This may be of the type that which, described in European Patent No. 639,256 in the name of the applicant, takes the fluid having lost their frigories by the circuit 39b, 48b, 46d, to direct it towards a first reserve then replaces it with a refrigerated fluid coming from another reserve by the circuit 46a, 48a, 39a.
- the container has a large reserve of frigories, without being equipped with a refrigeration unit.
- the fluid refrigerant 35 placed in the reserve 2a is brought to a freezing temperature of the order of - 30 to - 33 ° C by the coil 38 whose fluid 44 is itself brought to a temperature of the order of -37 ° C.
- a refrigeration charge allows, even in summer conditions, to ensure the conservation of frozen products for a period of several days, thanks to the regulating device according to the invention.
- the reserve 2b can also be adapted to be recharged in calories by the device described in the patent French 2,689,222 in the name of the applicant.
- the reserve 2b includes a cavity watertight opening to the outside and capable of being closed by a hatch 52.
- the wall of this cavity is made of heat conductive material and is in direct contact with the liquid refrigerant 53 placed in the reserve.
- the frigories are loaded by introducing into the cavity 50 a plate 54 internally traversed by the evaporator 55 of a refrigeration unit 56. After that the refrigerant 53 has been brought to the appropriate temperature, up to its freezing, the plate 54 carried by a bracket 57 is uncoupled from the container 1, and the hatch 52 is closed.
- This charging technique also makes it possible to regenerate the reserve of frigories at a fixed station, without the need to equip the container with a refrigeration unit.
- the regulation device is very important because it saves the dissipation of frigories and increases the shelf life of products and commodities arranged in the container.
- references 58, 59 and 60 designate a cowling and flaps insulators folded down onto the plate 55 to avoid heat loss from the plate 58 when not in use.
- the regulated transfer device according to the invention can also be applied to any container having insulated walls and intended to contain any products. It can, for example, be arranged in a case placed on an insulating box of the type used to contain fresh fish, or any other fishery product immersed in a bed of crushed ice, or for the transfer of corpses.
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- Engineering & Computer Science (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
- Thermal Insulation (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Separation By Low-Temperature Treatments (AREA)
Claims (9)
- Einrichtung zur regulierten Übertragung von Kälteinhalten zwischen einer Kältereserve (2, 2a, 2b) und einem Aufbewahrungskühlraum (10), bei der die Übertragung der Kälteinhalte zwischen der oberen Reserve (2, 2a, 2b) und dem unteren Raum (10), die durch eine Isolierwand (3a) getrennt sind, mittels eines aus einem gut wärmeleitenden Material gebildeten Thermorohrs oder einer Wärmeleitung erfolgt, welches bzw. welche unter Unterdruck ein Wärmeträgerfluid enthält,
dadurch gekennzeichnet, daß die Wärmeleitung aus einer Austausch- und Regulierplatte (7) aufgebaut ist, welche in dem Raum (10) unterhalb der Reserve (2, 2a, 2b) und nahe der die Reserve und den Raum trennenden Isolierwand (3a), jedoch ohne Kontakt mit dieser angeordnet ist, wobei diese Platte (7) mit einem internen Schlangennetz (6) für das Wärmeträgerfluid und an einer Seite mit mindestens einem Aufnehmerrohr (5, 5a) versehen ist, welches mit diesem Netz in Verbindung steht und in die Kältereserve (2) durch einen in der Isolierwand (3a) ausgebildeten Kanal (4) hineingeführt ist, und um eine horizontale Querachse zwischen zwei beidseits der horizontalen Ebene angeordneten Stellungen schwenkbar angebracht ist, nämlich einer Austauschstellung (A), in der sie ausgehend von dem Aufnehmerrohr von oben nach unten geneigt ist, und einer Stabilisierungsstellung (B), in der sie ausgehend von dem Aufnehmerrohr (5, 5a) von unten nach oben geneigt ist, wobei die Platte (7) mit ihrer Seite, die der mit dem Aufnehmerrohr (5, 5a) versehenen Seite gegenüberliegt, außerdem mit Motormitteln (11 und 9, 28, 28a) verbunden ist, welche ihre Verschwenkung zu beiden Seiten der horizontalen Ebene in Abhängigkeit von der Temperatur in dem Raum (10) steuern. - Einrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß die Austausch- und Regulierplatte (7) einen Winkel von mindestens 3° zur Horizontalen bildet, wenn sie sich in der Austauschstellung (A) befindet. - Einrichtung nach einem der Ansprüche 1 und 2,
dadurch gekennzeichnet, daß das starre und mit der Platte (7) verbundene Aufnehmerrohr (5) an seinem freien Ende einen Isolierpfropfen (8) aufweist, welcher dazu geeignet ist, den Verbindungskanal (4) zwischen der Reserve (2) und dem Aufbewahrungsraum (10) zu verschließen, wenn sich die Platte in der Stabilisierungsstellung (B) befindet, um jeglichen thermischen Austausch mit der Reserve zu unterbinden. - Einrichtung nach einem der Ansprüche 1 und 2,
dadurch gekennzeichnet, daß das Aufnehmerrohr (5a) von einem in elastischer Weise längsdeformierbaren Rohrkörper gebildet ist, der in dichter Weise den Kanal (4) der Isolierwand durchsetzt und dessen in der Reserve angeordnetes Ende an ein Netz (26) für ein Wärmeträgerfluid einer zu der Austausch- und Regulierplatte (7), mit der sie eine einzige Wärmeleitung bildet, ähnlichen Übertragungsplatte (27) angeschlossen ist, welche am Grund der Reserve (2, 2a, 2b) in fester Weise angeordnet ist und zu dem Aufnehmerrohr (5a) hin von oben nach unten geneigt ist. - Einrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß die Motormittel von einem von Zellen (22) versorgten Elektromagnet gebildet sind, dessen Versorgung mittels eines in dem Aufbewahrungsraum (10) angeordneten Thermostats (9) gesteuert ist. - Einrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß die Motormittel von einem Elektromotor (11) gebildet sind, welcher mit einer Schraube ohne Ende (21) verbunden ist, die mit einer mit der Platte (7) verbundenen Mutter zusammenwirkt, wobei der Motor unter der Steuerung eines in dem Aufbewahrungsraum (10) angeordneten Thermostats (9) von Zellen (22) versorgt ist. - Einrichtung nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß die Motormittel von einem Stab (28, 28a) aus einem wärmeleitenden Material mit einem hohen Wärmeausdehnungskoeffizienten gebildet sind, dessen eines Stabende an einer der Wände des Raums (10) befestigt ist und dessen anderes Ende unmittelbar oder unter Zwischenschaltung eines Winkelgetriebes in Kontakt mit der Platte (7) steht. - Einrichtung nach Anspruch 7,
dadurch gekennzeichnet, daß der Stab (28a) horizontal unterhalb der Austauschplatte (7) zwischen dieser Platte und einem Schutzgitter angeordnet ist und daß sein freies Ende an einem Hebel (31) anliegt, welcher einen vertikal zur Unterseite der Platte (7) hin vorstehenden Finger (32) betätigt. - Einrichtung nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet, daß die Kältereserve (2a) ein bei einer Temperatur unterhalb der Aufbewahrungstemperatur in dem Raum (10) gefrierendes Fluid (35) sowie eine Gefrierschlange (38) enthält, wobei die beiden Enden (38a, 38b) dieser Schlange eine der Isolierwände der Reserve (2a) durchsetzen und mit Anschlüssen (39a, 39b) zum Anschluß an Eingangs- (46a) und Ausgangsleitungen (46b) eines Kühlaggregats (40) versehen sind, welches die Abkühlung des in der Schlange (38) enthaltenen Kühlfluids (44) auf eine Temperatur unterhalb der Gefriertemperatur des in der Reserve (2a) enthaltenen Fluids (35) gewährleistet.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9411816 | 1994-09-30 | ||
FR9411816A FR2725265B1 (fr) | 1994-09-30 | 1994-09-30 | Dispositif de regulation et de transfert de fluides frigorifiques ou caloriques pour conteneurs de transport |
PCT/FR1995/001264 WO1996010723A1 (fr) | 1994-09-30 | 1995-09-29 | Dispositif pour le transfert regule de frigories entre une reserve de frigories et une enceinte de conservation par le froid |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0781394A1 EP0781394A1 (de) | 1997-07-02 |
EP0781394B1 true EP0781394B1 (de) | 1998-05-27 |
Family
ID=9467530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95933455A Expired - Lifetime EP0781394B1 (de) | 1994-09-30 | 1995-09-29 | Vorrichtung zur geregelten kälteübertragung zwischen einem kältespeicher und einem kälteraum |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0781394B1 (de) |
AU (1) | AU3611095A (de) |
DE (1) | DE69502727T2 (de) |
ES (1) | ES2119479T3 (de) |
FR (1) | FR2725265B1 (de) |
WO (1) | WO1996010723A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997033130A1 (fr) * | 1996-03-08 | 1997-09-12 | Grandi Rene | Chariots mobiles distributeurs de plateaux-repas chauds et froids |
DE19723955A1 (de) * | 1996-06-12 | 1998-03-26 | Denso Corp | Kühlvorrichtung mit Kühlmittel-Verdampfung und -Kondensierung |
FR2749931B1 (fr) * | 1996-06-18 | 1998-09-04 | Grandi Rene Vincent | Dispositif pour transfere des frigories entre une reserve et une enceinte de conservation par le froid |
FR2752456B1 (fr) * | 1996-08-13 | 1999-01-08 | Grandi Rene Vincent | Dispositif pour le transfert regule de frigories entre une reserve et une enceinte de conservation |
FR2759890B1 (fr) * | 1997-02-26 | 1999-06-04 | Italinnova Sas | Dispositif pour la conservation de plateaux-repas avec rechauffement localise |
FR2767771B1 (fr) * | 1997-09-03 | 2000-01-21 | Italinnova Sas | Chariot pour la conservation froide regulee de plateaux-repas |
US10752434B2 (en) * | 2009-09-21 | 2020-08-25 | Sonoca Development, Inc. | Temperature controlled cargo containers |
US20110067852A1 (en) * | 2009-09-21 | 2011-03-24 | David Scott Farrar | Temperature controlled cargo containers |
JP5986064B2 (ja) * | 2013-12-25 | 2016-09-06 | Necプラットフォームズ株式会社 | 冷却システムおよび電子機器 |
FR3062713B1 (fr) * | 2017-02-08 | 2020-11-27 | Air Liquide | Interrupteur du flux thermique en provenance d'une reserve de neige carbonique et notamment dispositif de regulation de temperature pour conteneurs refroidis par neige carbonique |
AT521596A1 (de) * | 2018-09-05 | 2020-03-15 | Single Use Support Gmbh | Kühlplattenanordnung und Verfahren |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR661487A (fr) * | 1928-10-04 | 1929-07-25 | Drylce Equipment Corp | Procédés de production de froid et traitement d'acide carbonique solide pour servir d'agent frigorifique |
US2040744A (en) * | 1932-01-27 | 1936-05-12 | Gen Motors Corp | Refrigerating apparatus |
US1952716A (en) * | 1932-09-27 | 1934-03-27 | Heintz Mfg Co | Refrigerating device |
GB605192A (en) * | 1944-05-30 | 1948-07-19 | Philco Radio & Television Corp | Improvements in refrigeration apparatus |
US2515750A (en) * | 1946-09-06 | 1950-07-18 | Joseph B Waller | Heat exchange device |
US2707870A (en) * | 1954-02-08 | 1955-05-10 | Benjamin F Edmondson | Cooling apparatus utilizing solid refrigerants |
US3585813A (en) * | 1969-03-28 | 1971-06-22 | Refrigerating Specialties Co | Self-contained portable cooler |
GB1421350A (en) * | 1972-12-30 | 1976-01-14 | Ferranti Ltd | Heat transfer devices |
US4267825A (en) * | 1979-06-27 | 1981-05-19 | Entec Products Corporation | Solar heat collector with heat pipes |
CH664004A5 (de) * | 1983-08-08 | 1988-01-29 | Bucher Heinrich Fa | Behaelter zum kuehlen eines kuehlgutes. |
DE3420256A1 (de) * | 1984-05-30 | 1985-12-05 | Martin A. Prof. Dipl.-Ing. 5060 Bergisch Gladbach Frank | Verfahren und vorrichtung zur kuehlung in containern |
JPS61143689A (ja) * | 1984-12-18 | 1986-07-01 | Sumitomo Electric Ind Ltd | ヒ−トパイプ |
US4971139A (en) * | 1990-01-31 | 1990-11-20 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Heat tube device |
US5168921A (en) * | 1991-12-23 | 1992-12-08 | Thermacore, Inc. | Cooling plate with internal expandable heat pipe |
FR2689222B1 (fr) * | 1992-03-27 | 2001-04-13 | Grandi Rene | Dispositif de transfert et d'accumulation de frigories ou de calories, pour la conservation de produits dans un chariot ou un container. |
FR2691237B1 (fr) * | 1992-05-15 | 1996-05-10 | Grandi Rene | Dispositif de regeneration de joules ou de frigories pour module d'accumulation et de distribution de froid. |
-
1994
- 1994-09-30 FR FR9411816A patent/FR2725265B1/fr not_active Expired - Fee Related
-
1995
- 1995-09-29 AU AU36110/95A patent/AU3611095A/en not_active Abandoned
- 1995-09-29 EP EP95933455A patent/EP0781394B1/de not_active Expired - Lifetime
- 1995-09-29 WO PCT/FR1995/001264 patent/WO1996010723A1/fr active IP Right Grant
- 1995-09-29 ES ES95933455T patent/ES2119479T3/es not_active Expired - Lifetime
- 1995-09-29 DE DE69502727T patent/DE69502727T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2725265B1 (fr) | 1996-12-13 |
FR2725265A1 (fr) | 1996-04-05 |
AU3611095A (en) | 1996-04-26 |
EP0781394A1 (de) | 1997-07-02 |
DE69502727T2 (de) | 1998-09-24 |
WO1996010723A1 (fr) | 1996-04-11 |
DE69502727D1 (de) | 1998-07-02 |
ES2119479T3 (es) | 1998-10-01 |
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