WO2024052075A1 - Système et procédé d'extraction d'air d'une unité d'évaporateur associée à un système de stockage et de récupération automatisé - Google Patents

Système et procédé d'extraction d'air d'une unité d'évaporateur associée à un système de stockage et de récupération automatisé Download PDF

Info

Publication number
WO2024052075A1
WO2024052075A1 PCT/EP2023/072701 EP2023072701W WO2024052075A1 WO 2024052075 A1 WO2024052075 A1 WO 2024052075A1 EP 2023072701 W EP2023072701 W EP 2023072701W WO 2024052075 A1 WO2024052075 A1 WO 2024052075A1
Authority
WO
WIPO (PCT)
Prior art keywords
air
evaporator unit
evaporator
interior
storage
Prior art date
Application number
PCT/EP2023/072701
Other languages
English (en)
Inventor
Espen VERPE
Paul Edvin BERSAAS
Original Assignee
Autostore Technology AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Autostore Technology AS filed Critical Autostore Technology AS
Publication of WO2024052075A1 publication Critical patent/WO2024052075A1/fr

Links

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
    • F25D13/00—Stationary devices, e.g. cold-rooms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
    • B65G1/02—Storage devices
    • B65G1/04—Storage devices mechanical
    • 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
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/042—Air treating means within refrigerated spaces
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • 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
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/12—Removing frost by hot-fluid circulating system separate from the refrigerant system
    • F25D21/125—Removing frost by hot-fluid circulating system separate from the refrigerant system the hot fluid being ambient air
    • 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
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04—Treating air flowing to refrigeration compartments
    • F25D2317/041—Treating air flowing to refrigeration compartments by purification
    • F25D2317/0411—Treating air flowing to refrigeration compartments by purification by dehumidification

Definitions

  • the present invention relates primarily to a system and a method for extracting air from an evaporator unit disposed in a cold room of an automated, grid-based storage and retrieval system for frozen food.
  • Fig. 1 discloses a prior art automated storage and retrieval system 1 with a framework structure 100 and Figs. 2, 3a-3b disclose three different prior art container handling vehicles 201, 301, 401 suitable for operating on such a system 1.
  • the framework structure 100 comprises upright members 102 and a storage volume comprising storage columns 105 arranged in rows between the upright members 102.
  • storage containers 106 also known as bins, are stacked one on top of one another to form container stacks 107.
  • the members 102 may typically be made of metal, e.g. extruded aluminum profiles.
  • the framework structure 100 of the automated storage and retrieval system 1 comprises a rail system 108 arranged across the top of framework structure 100, on which rail system 108 a plurality of container handling vehicles 301, 401 may be operated to raise storage containers 106 from, and lower storage containers 106 into, the storage columns 105, and also to transport the storage containers 106 above the storage columns 105.
  • the rail system 108 comprises a first set of parallel rails 110 arranged to guide movement of the container handling vehicles 301, 401 in a first direction X across the top of the framework structure 100, and a second set of parallel rails 111 arranged perpendicular to the first set of rails 110 to guide movement of the container handling vehicles 301, 401 in a second direction Y which is perpendicular to the first direction X.
  • Containers 106 stored in the columns 105 are accessed by the container handling vehicles 301, 401 through access openings 112 in the rail system 108.
  • the container handling vehicles 301, 401 can move laterally above the storage columns 105, i.e. in a plane which is parallel to the horizontal X-Y plane.
  • the upright members 102 of the framework structure 100 may be used to guide the storage containers during raising of the containers out from and lowering of the containers into the columns 105.
  • the stacks 107 of containers 106 are typically self- supportive.
  • Each prior art container handling vehicle 201, 301, 401 comprises a vehicle body 201a, 301a, 401a and first and second sets of wheels 201b, 201c, 301b, 301c, 401b, 401c which enable lateral movement of the container handling vehicles 201, 301, 401 in the direction and in the Y direction, respectively.
  • Figs. 2-3b two wheels in each set are fully visible.
  • the first set of wheels 201b, 301b, 401b is arranged to engage with two adjacent rails of the first set 110 of rails
  • the second set of wheels 201c, 301c, 401c is arranged to engage with two adjacent rails of the second set 111 of rails.
  • At least one of the sets of wheels 201b, 201c, 301b, 301c, 401b, 401c can be lifted and lowered, so that the first set of wheels 201b, 301b, 401b and/or the second set of wheels 201c, 301c, 401c can be engaged with the respective set of rails 110, 111 at any one time.
  • Each prior art container handling vehicle 201, 301, 401 also comprises a lifting device 304, 404 (visible in Figs. 3a-3b) having a lifting frame part 304a for vertical transportation of storage containers 106, e.g. raising a storage container 106 from, and lowering a storage container 106 into, a storage column 105.
  • Lifting bands 404a are also shown in Fig. 3b.
  • the lifting device 304, 404 comprises one or more gripping/engaging devices which are adapted to engage a storage container 106, and which gripping/engaging devices can be lowered from the vehicle 201, 301, 401 so that the position of the gripping/engaging devices with respect to the vehicle 201, 301, 401 can be adjusted in a third direction Z (visible for instance in Fig. 1) which is orthogonal the first direction A and the second direction Y. Parts of the gripping device of the container handling vehicles 301, 401 are shown in Figs. 3a and 3b indicated with reference numbers 304 and 404.
  • the gripping device of the container handling device 201 is located within the vehicle body 201a in Fig. 2.
  • each storage column 105 can be identified by its A and Y coordinates.
  • the storage volume of the framework structure 100 has often been referred to as a grid 104, where the possible storage positions within this grid are referred to as storage cells within storage columns.
  • Each storage column may be identified by a position in an X- and Y-direction, while each storage cell may be identified by a container number in the X-, Y- and Z-direction.
  • Each prior art container handling vehicle 201, 301, 401 comprises a storage compartment or space for receiving and stowing a storage container 106 when transporting the storage container 106 across the rail system 108.
  • the storage space may comprise a cavity arranged internally within the vehicle body 201a as shown in Figs. 2 and 3b and as described in e.g. WO2015/193278A1 and WO2019/206487A1, the contents of which are incorporated herein by reference.
  • Fig. 3a shows an alternative configuration of a container handling vehicle 301 with a cantilever construction.
  • a container handling vehicle 301 with a cantilever construction.
  • Such a vehicle is described in detail in e.g. NO317366, the contents of which are also incorporated herein by reference.
  • the cavity container handling vehicles 201 shown in Fig. 2 may have a footprint that covers an area with dimensions in the X and Y directions which is generally equal to the lateral extent of a storage column 105, e.g. as is described in WO2015/193278A1, the contents of which are incorporated herein by reference.
  • the term ‘lateral’ used herein may mean ‘horizontal’.
  • the cavity container handling vehicles 401 may have a footprint which is larger than the lateral area defined by a storage column 105 as shown in Fig. 3b and as disclosed in W02014/090684A1 or WO2019/206487A1.
  • the rail system 108 typically comprises rails with grooves in which the wheels of the vehicles run.
  • the rails may comprise upwardly protruding elements, where the wheels of the vehicles comprise flanges to prevent derailing. These grooves and upwardly protruding elements are collectively known as tracks.
  • Each rail may comprise one track, or each rail may comprise two parallel tracks; in other rail systems 108, each rail in one direction may comprise one track and each rail in the other perpendicular direction may comprise two tracks.
  • the rail system may also comprise a double track rail in one of the X or Y direction and a single track rail in the other of the X or Y direction.
  • a double track rail may comprise two rail members, each with a track, which are fastened together.
  • WO2018/146304A1 illustrates a typical configuration of rail system 108 comprising rails and parallel tracks in both A and Y directions.
  • columns 105 In the framework structure 100, a majority of the columns 105 are storage columns 105, i.e. columns 105 where storage containers 106 are stored in stacks 107. However, some columns 105 may have other purposes.
  • columns 119 and 120 are such special -purpose columns used by the container handling vehicles 201, 301, 401 to drop off and/or pick up storage containers 106 so that they can be transported to an access station (not shown) where the storage containers 106 can be accessed from outside of the framework structure 100 or transferred out of or into the framework structure 100.
  • such a location is normally referred to as a ‘port’ and the column in which the port is located may be referred to as a ‘port column’ 119,120.
  • the transportation to the access station may be in any direction, that is horizontal, tilted and/or vertical.
  • the storage containers 106 may be placed in a random or a dedicated column 105 within the framework structure 100, then picked up by any container handling vehicle and transported to a port column 119, 120 for further transportation to an access station.
  • the transportation from the port to the access station may require movement along various different directions, by means such as delivery vehicles, trolleys or other transportation lines.
  • tiltted means transportation of storage containers 106 having a general transportation orientation somewhere between horizontal and vertical.
  • the first port column 119 may for example be a dedicated drop-off port column where the container handling vehicles 201, 301 can drop off storage containers 106 to be transported to an access or a transfer station
  • the second port column 120 may be a dedicated pick-up port column where the container handling vehicles 201, 301, 401 can pick up storage containers 106 that have been transported from an access or a transfer station.
  • the access station may typically be a picking or a stocking station where product items are removed from or positioned into the storage containers 106.
  • the storage containers 106 are normally not removed from the automated storage and retrieval system 1, but are, once accessed, returned into the framework structure 100.
  • a port can also be used for transferring storage containers to another storage facility (e.g. to another framework structure or to another automated storage and retrieval system), to a transport vehicle (e.g. a train or a lorry), or to a production facility.
  • a conveyor system comprising conveyors is normally employed to transport the storage containers between the port columns 119, 120 and the access station.
  • the conveyor system may comprise a lift device with a vertical component for transporting the storage containers 106 vertically between the port column 119, 120 and the access station.
  • the conveyor system may be arranged to transfer storage containers 106 between different framework structures, e.g. as is described in WO2014/075937A1, the contents of which are incorporated herein by reference.
  • a storage container 106 stored in one of the columns 105 disclosed in Fig. 1 is to be accessed, one of the container handling vehicles 201, 301, 401 is instructed to retrieve the target storage container 106 from its position and transport it to the drop-off port column 119.
  • This operation involves moving the container handling vehicle 201, 301 to a location above the storage column 105 in which the target storage container 106 is positioned, retrieving the storage container 106 from the storage column 105 using the container handling vehicle’s 201, 301, 401 lifting device (not shown in Fig.
  • the operation also involves temporarily moving the above-positioned storage containers prior to lifting the target storage container 106 from the storage column 105.
  • This step which is sometimes referred to as “digging” within the art, may be performed with the same container handling vehicle that is subsequently used for transporting the target storage container to the drop-off port column 119, or with one or a plurality of other cooperating container handling vehicles.
  • the automated storage and retrieval system 1 may have container handling vehicles 201, 301, 401 specifically dedicated to the task of temporarily removing storage containers 106 from a storage column 105. Once the target storage container 106 has been removed from the storage column 105, the temporarily removed storage containers 106 can be repositioned into the original storage column 105. However, the removed storage containers 106 may alternatively be relocated to other storage columns 105.
  • one of the container handling vehicles 201, 301, 401 is instructed to pick up the storage container 106 from the pick-up port column 120 and transport it to a location above the storage column 105 where it is to be stored.
  • the container handling vehicle 201, 301, 401 positions the storage container 106 at the desired position. The removed storage containers 106 may then be lowered back into the storage column 105 or relocated to other storage columns 105.
  • the automated storage and retrieval system 1 For monitoring and controlling the automated storage and retrieval system 1, e.g. monitoring and controlling the location of respective storage containers 106 within the framework structure 100, the content of each storage container 106 and the movement of the container handling vehicles 201, 301, 401 so that a desired storage container 106 can be delivered to the desired location at the desired time without the container handling vehicles 201, 301, 401 colliding with each other, the automated storage and retrieval system 1 comprises a control system 500 (shown in Fig. 1) which typically is computerized and which typically comprises a database for keeping track of the storage containers 106.
  • a control system 500 shown in Fig. 1 which typically is computerized and which typically comprises a database for keeping track of the storage containers 106.
  • Storage and retrieval systems of the above kind could also be employed to store frozen goods, such as frozen food products.
  • frozen goods such as frozen food products.
  • a temperature environment well below 0 °C is required in a region of the storage and retrieval system where frozen food products are stored.
  • WO2021/209648A1 Such a system is discussed in WO2021/209648A1.
  • W02015/124610A1 discloses a cooled storage system with a grid structure of storage cells and at least one remotely operated vehicle arranged to move at the top level of the grid structure. There is provided thermal insulation between the grid structure and the remotely operated vehicle.
  • An environment as described above is normally achieved by the continuous supply of cooling fluid, typically air, at a very low temperature.
  • cooling air is produced in a dedicated chill plant annexed to the system.
  • ice formation at the evaporator coil occurs frequently and may result in a large amount of ice being formed in a matter of hours.
  • standard methods of dealing with ice formation within the evaporator of the chill plant have proven inadequate, it is desirable to provide a solution which offers further benefits to an owner of the storage system for frozen food products.
  • CN114046624 discloses an outsidewarehouse installation type air cooler for the refrigeration storage.
  • US2020071076A1 discloses an automated order fulfillment system for storing and transferring containers. The system has different temperature zones and robots and containers of the system are configured to work in these different temperature zones.
  • US4063432A discloses a cold storage installation. A part of the installation is available for rapid freezing.
  • First aspect of the invention relates to a system for extracting air from an evaporator unit, said evaporator unit comprising an evaporator coil and being disposed in a cold room of an automated, grid-based storage and retrieval system for frozen food, said system comprising an extraction fan configured to extract air from an interior of the evaporation unit to an exterior of the cold room, wherein the system is configured such that the extraction fan operates while the evaporator coil is being defrosted. It is hereby achieved that moisture released into the interior of the evaporator unit in the course of the evaporator coil defrosting process (removing ice formed at the evaporator coil) may be evacuated quickly, even instantaneously from said unit.
  • the proposed solution is structurally simple and easy to install/retrofit and maintain.
  • availability of the evaporator unit is significantly improved by the present invention, in part because defrosting/ air extraction processes run in parallel (and not sequentially) so that important time savings are achieved and in part because defrosting periods occur less frequently due to an improved air environment, i.e. less moisture, in the interior of the evaporator unit upon completion of a defrosting cycle.
  • Another aspect of the invention relates to a method of removing moisture from an evaporator unit in accordance with claim 21.
  • advantages discussed above in connection with the system for extracting air from an evaporator unit may even be associated with the corresponding method and are not further discussed.
  • sequence of method steps of method claims may be effectuated in any given order.
  • the term “storage container” used in “Background and Prior Art”- section of the application and the term “goods holder” used in “Detailed Description of the Invention”-section both define a receptacle for storing items.
  • the goods holder can be a bin, a tote, a pallet, a tray or similar. Different types of goods holders may be used in the same automated storage and retrieval system.
  • FIG. 1 is a perspective view of a framework structure of a prior art automated storage and retrieval system.
  • Fig. 2 is a perspective view of a prior art container handling vehicle/ remotely operated vehicle having a centrally arranged cavity for carrying storage containers therein.
  • Fig. 3a is a perspective view of a prior art container handling vehicle/ remotely operated vehicle having a cantilever for carrying storage containers underneath.
  • Fig. 3b is a perspective view, seen from below, of a prior art container handling vehicle/remotely operated vehicle having an internally arranged cavity for carrying storage containers therein.
  • Fig. 4 is a schematical perspective drawing of a system for extracting air from an evaporator unit according to an embodiment of the present invention.
  • Fig. 5 is a schematical perspective drawing of a system for extracting air from an evaporator unit according to a second embodiment of the present invention.
  • Fig. 6 is a schematical perspective drawing of a system for extracting air from an evaporator unit according to a third embodiment of the present invention.
  • the framework structure 100 of the automated storage and retrieval system 1 is constructed in accordance with the prior art framework structure 100 described above in connection with Figs. l-3b, i.e. a number of upright members 102, wherein the framework structure 100 also comprises a first, upper rail system 108 in the X direction and Y direction.
  • the framework structure 100 further comprises storage compartments in the form of storage columns 105 provided between the members 102 where storage containers 106 are stackable in stacks 107 within the storage columns 105.
  • the framework structure 100 can be of any size. In particular, it is understood that the framework structure can be considerably wider and/or longer and/or deeper than disclosed in Fig. 1. For example, the framework structure 100 may have a horizontal extent of more than 700x700 columns and a storage depth of more than twelve containers. Various aspects of the present invention will now be discussed in more detail with reference to Figs. 4-6.
  • Fig. 4 is a schematical perspective drawing of a system 600 for extracting air from an evaporator unit 10 according to an embodiment of the present invention.
  • the evaporator unit 10 comprises an evaporator coil 12 and an evaporator fan 28 and is disposed in a cold room 14 of an automated, grid-based storage and retrieval system for frozen food.
  • the cold room 14 produces cold air for the system 1 of Fig. 1 by means of the evaporator unit 10.
  • the system 600 shown in Fig. 4 comprises an extraction fan 16 configured to extract air from an interior 18 of the evaporator unit 10 to an exterior 20 of the cold room 14.
  • the fan 16 is an external fan.
  • the system 600 is configured such that the extraction fan 16 operates while the evaporator coil 12 is being defrosted.
  • the solution is particularly advantageous in retrofit applications so as to improve performance of the evaporator unit 10. More specifically, availability of the evaporator unit 10 is significantly improved by the system at hand, in part because defrosting/air extraction processes run in parallel (and not sequentially) so that important time savings are achieved and in part because defrosting periods occur less frequently due to an improved air environment, i.e. less moisture, in the interior 18 of the evaporator unit 10 upon completion of a defrosting cycle.
  • a conduit 22 extending between the interior 18 of the evaporator unit 10 and the exterior 20 of the cold room 14 establishes fluid communication such that air is extracted from the interior 18 of the evaporator unit 10 to the exterior 20 of the cold room 14 via said conduit 22.
  • the conduit 22 is thermally insulated and/or heated by a thermal cable.
  • An air extraction rate from the evaporator unit 10 is controlled by a rotary speed of the extraction fan 16.
  • Said valve 24 has another function as it also prevents external air being sucked into the evaporator unit 10 when an evaporator fan 28 is operating.
  • said valve 24 is predominantly closed when the evaporator coil 12 is in operation and is predominantly open when the evaporator coil 12 is being defrosted.
  • the system 600 is configured such that the extraction fan 16 predominantly operates while the evaporator coil 12 is being defrosted.
  • said unit 10 comprises a housing 30 in which the evaporator coil 12 and the evaporator fan 28 arranged downstream to said evaporator coil 12 are disposed and wherein the interior 18 of the evaporator unit 10 corresponds to the interior of the housing 30.
  • An air extraction opening 32 is arranged in a top wall of the evaporator unit housing 30. Said air extraction opening 32 allows air flow from the evaporator unit housing 30 into the conduit 22.
  • the air extraction opening 32 is a suction hole provided between the evaporator coil 12 and the evaporator fan 28.
  • Fig. 5 is a schematical perspective drawing of a system 600 for extracting air from an evaporator unit 10 according to a second embodiment of the present invention.
  • the evaporator unit 10 of Fig. 5 comprises two evaporator coils 12a, 12b and two evaporator fans 28a, 28b, each coil 12a, 12b being associated to one evaporator fan 28a, 28b.
  • Two air extraction openings 32a, 32b are arranged in a top wall of the evaporator unit housing 30. Said air extraction openings 32a, 32b allow air flow from the interior 18 of the evaporator unit housing 30 into the single conduit 22.
  • the evaporator unit 10 is typically placed in a cold room 14 of an automated, grid-based storage and retrieval system 1 for goods holders containing frozen food.
  • An example of such a storage and retrieval system 1 is shown in Fig. 1.
  • Fig. 6 is a schematical perspective drawing of a system 600 for extracting air from an evaporator unit 10 according to a third embodiment of the present invention.
  • the system 600 comprises a further conduit 23 and a further fan 25.
  • the further fan 25 is configured to introduce air from exterior 20 of the cold room 14 to interior 18 of the evaporator unit 10 via said further conduit 23.
  • the further fan 25 is configured to operate simultaneously with the extraction fan 16 such that the amount of air in the evaporator unit 10 remains substantially constant.
  • an air insertion opening 34 is provided in the evaporator unit housing 30, said air insertion opening 34 being arranged opposite the air extraction opening 32 of Fig. 5, i.e. in a bottom wall of the evaporator unit housing 30.
  • the air insertion opening 34 allows air flow from the further conduit 23 to the interior 18 of the evaporator unit 10.
  • a valve 24, typically a one-way valve, is arranged in the further conduit 23 so as to prevent air flowing from the interior 18 of the evaporator unit 10 to the exterior 20 of the cold room 14. Normally, air at a first temperature is extracted from the interior 18 of the evaporator unit 10, while air at a second, higher temperature is inserted into the interior 18 of the evaporator unit 10.
  • Directions of air flow through the conduits 22, 23 are suitably denoted by means of block arrows and flows of air within the evaporator unit 10 are illustrated by means of leftwards and rightwards arrows.
  • This arrangement maximizes mixing of warm and cold air inside the housing 30.
  • air temperature in the interior 18 of the housing 30 is below -20 °C
  • air temperature at the exterior 20 of the cold room 14, hence temperature of the inserted air is well above 0 °C.
  • the extraction and the insertion of air are regulated such that an amount of air in the evaporator unit 10 substantially constant at all times.
  • a single fansingle conduit configuration may be used for bidirectional air flow, i.e. a single fan is employed to extract and insert air via a single conduit.
  • the associated valve would then be a two-way valve of suitable type.

Landscapes

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

Abstract

L'invention concerne un système (600) d'extraction d'air d'une unité d'évaporateur (10). Ladite unité d'évaporateur (10) comprend une bobine d'évaporateur (12) et est disposée dans une chambre froide (14) d'un système de stockage et de récupération automatisé à base de grille (1) pour des aliments congelés. Le système (600) comprend un ventilateur d'extraction (16) conçu pour extraire de l'air d'un intérieur (18) de l'unité d'évaporation (10) vers un extérieur (20) de la chambre froide (14), le système (600) étant conçu de telle sorte que le ventilateur d'extraction (16) fonctionne lorsque la bobine d'évaporateur (12) est en train d'être dégivrée. L'invention concerne en outre un procédé correspondant.
PCT/EP2023/072701 2022-09-06 2023-08-17 Système et procédé d'extraction d'air d'une unité d'évaporateur associée à un système de stockage et de récupération automatisé WO2024052075A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO20220960A NO20220960A1 (en) 2022-09-06 2022-09-06 A system and a method for extracting air from an evaporator unit associated with an automated storage and retrieval system
NO20220960 2022-09-06

Publications (1)

Publication Number Publication Date
WO2024052075A1 true WO2024052075A1 (fr) 2024-03-14

Family

ID=87695987

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/072701 WO2024052075A1 (fr) 2022-09-06 2023-08-17 Système et procédé d'extraction d'air d'une unité d'évaporateur associée à un système de stockage et de récupération automatisé

Country Status (2)

Country Link
NO (1) NO20220960A1 (fr)
WO (1) WO2024052075A1 (fr)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB981004A (en) * 1963-09-21 1965-01-20 Vilter Manufacturing Corp A refrigerating and defrosting system
US4063432A (en) 1975-04-30 1977-12-20 Agence Nationale De Valorisation De La Recherche (Anvar) Freezing and cold-storage installation
WO2014075937A1 (fr) 2012-11-13 2014-05-22 Jakob Hatteland Logistics As Système de stockage
CN103868309A (zh) * 2014-03-19 2014-06-18 天津大学 利用冷藏库外界空气辅助电加热除霜的装置及其运行方式
WO2014090684A1 (fr) 2012-12-10 2014-06-19 Jakob Hatteland Logistics As Robot pour le transport de bacs de stockage
WO2015124610A1 (fr) 2014-02-19 2015-08-27 Jakob Hatteland Logistics As Système de stockage refroidi
WO2015193278A1 (fr) 2014-06-19 2015-12-23 Jakob Hatteland Logistics As Robot pour transporter des bacs de stockage
WO2018146304A1 (fr) 2017-02-13 2018-08-16 Autostore Technology AS Agencement de rails destiné à un système de stockage
WO2019206487A1 (fr) 2018-04-25 2019-10-31 Autostore Technology AS Véhicule de manipulation de conteneurs doté de première et seconde sections et d'un moteur de dispositif de levage dans une seconde section
US20200071076A1 (en) 2018-08-30 2020-03-05 Alert Innovation Inc. Tote handling for chilled or frozen goods
WO2021107367A1 (fr) * 2019-11-28 2021-06-03 엘지전자 주식회사 Réfrigérateur doté d'un module à multiples chambres de stockage
WO2021209648A1 (fr) 2020-04-17 2021-10-21 Ocado Innovation Limited Système de stockage à plusieurs températures
CN113803941A (zh) * 2021-09-30 2021-12-17 珠海格力电器股份有限公司 一种风道结构、制冷机组、控制方法及存储介质
CN112033081B (zh) * 2020-08-31 2022-01-11 山东冰河制冷技术有限公司 一种利用冷藏库外界空气辅助电加热除霜的装置及其运行方法
CN114046624A (zh) 2021-11-15 2022-02-15 浙江凯迪制冷设备有限公司 一种冷库用的库外安装型的空气冷却器
CN215983494U (zh) * 2021-05-21 2022-03-08 天津商业大学 一种利用汽车尾气余热除霜的冷藏车

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB981004A (en) * 1963-09-21 1965-01-20 Vilter Manufacturing Corp A refrigerating and defrosting system
US4063432A (en) 1975-04-30 1977-12-20 Agence Nationale De Valorisation De La Recherche (Anvar) Freezing and cold-storage installation
WO2014075937A1 (fr) 2012-11-13 2014-05-22 Jakob Hatteland Logistics As Système de stockage
WO2014090684A1 (fr) 2012-12-10 2014-06-19 Jakob Hatteland Logistics As Robot pour le transport de bacs de stockage
WO2015124610A1 (fr) 2014-02-19 2015-08-27 Jakob Hatteland Logistics As Système de stockage refroidi
CN103868309A (zh) * 2014-03-19 2014-06-18 天津大学 利用冷藏库外界空气辅助电加热除霜的装置及其运行方式
WO2015193278A1 (fr) 2014-06-19 2015-12-23 Jakob Hatteland Logistics As Robot pour transporter des bacs de stockage
WO2018146304A1 (fr) 2017-02-13 2018-08-16 Autostore Technology AS Agencement de rails destiné à un système de stockage
WO2019206487A1 (fr) 2018-04-25 2019-10-31 Autostore Technology AS Véhicule de manipulation de conteneurs doté de première et seconde sections et d'un moteur de dispositif de levage dans une seconde section
US20200071076A1 (en) 2018-08-30 2020-03-05 Alert Innovation Inc. Tote handling for chilled or frozen goods
WO2021107367A1 (fr) * 2019-11-28 2021-06-03 엘지전자 주식회사 Réfrigérateur doté d'un module à multiples chambres de stockage
WO2021209648A1 (fr) 2020-04-17 2021-10-21 Ocado Innovation Limited Système de stockage à plusieurs températures
CN112033081B (zh) * 2020-08-31 2022-01-11 山东冰河制冷技术有限公司 一种利用冷藏库外界空气辅助电加热除霜的装置及其运行方法
CN215983494U (zh) * 2021-05-21 2022-03-08 天津商业大学 一种利用汽车尾气余热除霜的冷藏车
CN113803941A (zh) * 2021-09-30 2021-12-17 珠海格力电器股份有限公司 一种风道结构、制冷机组、控制方法及存储介质
CN114046624A (zh) 2021-11-15 2022-02-15 浙江凯迪制冷设备有限公司 一种冷库用的库外安装型的空气冷却器

Also Published As

Publication number Publication date
NO20220960A1 (en) 2024-03-07

Similar Documents

Publication Publication Date Title
WO2019001816A1 (fr) Système de stockage et de récupération automatisé comprenant différentes zones de température
CN112079026A (zh) 冷却储存系统
CN114302854A (zh) 物流塔
CN115362109A (zh) 在隔离外罩中具有存储塔的自动存储系统
WO2024052075A1 (fr) Système et procédé d'extraction d'air d'une unité d'évaporateur associée à un système de stockage et de récupération automatisé
US20230314059A1 (en) System and method of temperature control in an automated grid based storage and retrieval system
NO20210519A1 (en) System and method of temperature control in an automated grid based storage and retrieval system
CN112591309B (zh) 果蔬运输车用保鲜舱
NO347997B1 (fr)
EP4352477A1 (fr) Récipient de stockage destiné à un système automatisé de stockage et de récupération sur grilles
CN117597294A (zh) 具有动态储存区段的自动储存和取出系统及其使用方法
WO2024068512A1 (fr) Système de stockage et de récupération automatisé comprenant un système de gestion de température, et procédé de gestion de température dans le système de stockage et de récupération automatisé
WO2024047018A1 (fr) Système et procédé de commande du mouvement de conteneurs dans un système de stockage et de récupération automatisé
CN219566358U (zh) 一种冷库储存系统
WO2024110121A1 (fr) Unité pour déplacer une pluralité de supports de marchandises et procédé de déplacement de la pluralité de supports de marchandises
WO2023131605A1 (fr) Zone à température variable
NO347993B1 (fr)
NO20211511A1 (en) System and method of temperature control in an automated grid based storage and retrieval system
JP2001002368A (ja) 倉庫型冷蔵庫
NO20220489A1 (en) Conveyor access station for an automated storage and retrieval system and a method for using same
WO2023208608A2 (fr) Contenant de stockage en deux parties ayant une configuration assemblée et une configuration divisée
EP4302027A1 (fr) Distribution d'air de refroidissement améliorée dans un système de stockage automatisé
NO347586B1 (en) A remotely operated vehicle, an automated storage and retrieval system and a method of driving a remotely operated vehicle for handling a goods holder of an automated storage and retrieval system
WO2023036794A1 (fr) Récipient de stockage pour produits agricoles
NO20220926A1 (en) Storage system

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23757289

Country of ref document: EP

Kind code of ref document: A1