EP3199894A1 - Procédé et boîte de refroidissement pour le transport de produits périssables - Google Patents

Procédé et boîte de refroidissement pour le transport de produits périssables Download PDF

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Publication number
EP3199894A1
EP3199894A1 EP16152756.9A EP16152756A EP3199894A1 EP 3199894 A1 EP3199894 A1 EP 3199894A1 EP 16152756 A EP16152756 A EP 16152756A EP 3199894 A1 EP3199894 A1 EP 3199894A1
Authority
EP
European Patent Office
Prior art keywords
thermal isolation
cooling box
movable thermal
cooling
isolation element
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.)
Granted
Application number
EP16152756.9A
Other languages
German (de)
English (en)
Other versions
EP3199894B1 (fr
Inventor
Franz Dr. Lürken
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Air Liquide Deutschland GmbH
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
Original Assignee
Air Liquide Deutschland GmbH
LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude
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 Air Liquide Deutschland GmbH, LAir Liquide SA pour lEtude et lExploitation des Procedes Georges Claude filed Critical Air Liquide Deutschland GmbH
Priority to EP16152756.9A priority Critical patent/EP3199894B1/fr
Priority to PT161527569T priority patent/PT3199894T/pt
Priority to ES16152756T priority patent/ES2880686T3/es
Priority to PL16152756T priority patent/PL3199894T3/pl
Publication of EP3199894A1 publication Critical patent/EP3199894A1/fr
Application granted granted Critical
Publication of EP3199894B1 publication Critical patent/EP3199894B1/fr
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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
    • 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
    • F25D3/08—Movable containers portable, i.e. adapted to be carried personally

Definitions

  • the present invention is directed to a cooling box for distributing heat-sensitive products to final customers.
  • the invention also relates to a method for adjusting the temperature inside the cooling box.
  • Cooling boxes are known for a large variety of different applications. Boxes of different shapes and materials are commonly used. Further, it is known to provide thermal isolation from the environment by various methods, involving various materials. Also, active means for cooling are known that are capable of extending the time that goods remain sufficiently cold inside a cooling box.
  • an object of the present invention to overcome at least in part the disadvantages known from prior art and in particular to provide a method and a cooling box for cooling and transporting goods with two different temperature requirements simultaneously in the same box.
  • the cooling box according to the present invention for transporting heat-sensitive products comprises:
  • the cooling box can be a container dimensioned as to be carried by a (single) person.
  • it can be essentially made of plastic. It can be used for transporting the above described heat-sensitive goods.
  • the cooling box can be used for distributing these goods to final costumers.
  • the thermally isolating cuboid housing of the cooling box thermally decouples or nearly thermally decouples the interior of the cooling box from the environment. Thereby, heat-sensitive products within the cooling box, which may be initially at a low temperature, can keep this low temperature at least for a limited time.
  • the housing being cuboid enhances the ability to store a multitude of similarly shaped boxes, e.g. by stacking.
  • the housing of the cooling box is divided into at least one first and one second storage chamber.
  • the cooling box comprises one first and one second storage chamber. Adjusting the temperature levels in the first and second storage chambers allows for a separate treatment of products with different temperature requirements.
  • the first storage chamber has twice the volume of the second storage chamber.
  • the housing is closed on five sides. This leaves a sixth side being open or having an opening, which is the opening side, where the commissioning opening is situated. Through the commissioning opening, goods can be loaded into the box and unloaded from the box. The commissioning opening can be opened and closed by the cover. Therefore, the cover preferably fits to the size of the commissioning opening. It is further preferred to provide attachment means for fastening the cover.
  • the cover preferably is thermally isolating similar to the housing.
  • the cool pack integrated into the cover can provide an active cooling of heat-sensitive products within the box.
  • the cool pack is designed such that it can be reused, e.g. by being cooled down before each cycle of usage.
  • the cool pack comprises a substance that maintains a low temperature for a reasonably long time.
  • the substance can be, e.g., solid carbon dioxide.
  • the cool pack can be suitable for single use, e.g. by providing ice or solid carbon dioxide as or in the cool pack, preferably as a piece or block.
  • the temperature inside the cooling box can increase with time at different rates. Adjusting the thermal isolation can influence this rate. Preferably, the temperature within the storage chambers is adjusted separately by adjusting the thermal isolation locally. Increasing the thickness of the thermal isolation, in particular by attaching one or more of the movable thermal isolation elements to a wall of the housing, can cause a reduction of the heat transfer into the cooling box. A multitude of movable thermal isolation elements can be used for a single cooling box. This provides a large variety of possibilities to adjust the temperature inside the cooling box.
  • a single movable thermal isolation element is used. It is also possible to use the same cooling box with a varying number of movable thermal isolation elements depending on the temperature requirements of the goods to be transported and/or the ambient temperature outside the cooling box.
  • a first temperature configuration could be a freezing temperature (e.g. - 18 °C) in the first storage chamber and a higher temperature (e.g. + 7 °C) in the second storage chamber
  • a second temperature configuration could be the freezing temperature in the second storage chamber and the higher temperature in the first storage chamber.
  • Such two temperature configurations are especially advantageous in a preferred embodiment, in which the first storage chamber has a different volume than the second storage chamber, in particular twice the volume of the second storage chamber.
  • the attachment points are arranged to allow an attachment of the movable thermal isolation element. Depending on the method of attachment, the design of the attachment points may vary. Preferred attachment points are a hook, a screw, a hook and loop fastener, or any other means for a detachable connection.
  • At least one of the at least one movable thermal isolation element is a movable thermal isolation plate.
  • the movable thermal isolation plate preferably is a plate made of the same or a similar material as the cuboid housing of the cooling box.
  • the movable thermal isolation plate has a size that is adapted to the size of the cooling box.
  • a set of the attachment points is situated in at least one inside position, in which the movable thermal isolation plate can be attached to one of the walls at the inside of the cooling box.
  • a set of the attachment points is a multitude of attachment points needed simultaneously to attach one movable thermal isolation plate. Depending on the details of the attachment, it is possible that a set of the attachment points comprises a single attachment point only.
  • a set of the attachment points is situated in at least one outside position, in which the movable thermal isolation plate can be attached to one of the walls at the outside of the cooling box.
  • the preferred embodiments with the movable thermal isolation plate attached either to the inside or to the outside are equivalent with respect to thermal aspects. Having the movable thermal isolation plate attached to the outside may leave more space inside the cooling box, whereas the attachment of the movable thermal isolation plate in the inside may be more reasonable for transporting the cooling box as a movable thermal isolation plate attached to the outside of the cooling box might be more likely to be detached or displaced unintendedly. Further, for cooling boxes with a standardized size (e.g. adapted as to be a certain fraction of the size of a EURO-pallet and/or of the size of a transport vehicle), a movable thermal isolation plate attached to the outside could be disadvantageous.
  • At least one of the at least one movable thermal isolation element is a movable thermal isolation insert.
  • the movable thermal isolation insert preferably has a cuboid shape and is closed on five sides and open on the remaining sixth side. When attached to the attachment points and thereby mounted into the cooling box, this remaining sixth open side of the movable thermal isolation insert preferably faces the opening side of the cuboid housing of the cooling box.
  • the movable thermal isolation insert provides for thermal isolation on five sides, which enhances the effect of thermal isolation compared to a single movable thermal isolation plate.
  • the size of the movable thermal isolation insert is adapted to the size of the cooling box.
  • the movable thermal isolation insert is made of the same or a similar material as the cuboid housing of the cooling box.
  • the cooling box further comprises a separating wall separating the first storage chamber and the second storage chamber, wherein the separating wall comprises at least one set of the attachment points for attaching a movable thermal isolation element to the separating wall.
  • the separating wall is arranged in such a way that it can be mounted into the cooling box in various positions (e.g. defined by a plurality of attachment positions), thus allowing for a flexible separation of the cooling box volume into the first storage chamber and the second storage chamber.
  • the possibility to attach a movable thermal isolation plate to the separating wall enhances the flexibility of the usage of the cooling box.
  • At least a part of the attachment points is configured to retain a movable thermal isolation element to a wall by a magnetic bonding.
  • the magnetic bonding preferably is realized by magnets, situated either inside the movable thermal isolation element, inside a wall of the housing of the cooling box, or in both locations combined.
  • a respective counterpart preferably is metallic and magnetizable as to allow for a magnetic bonding. An attachment point then would be one of the magnets and/or of the counterparts.
  • the whole movable thermal isolation element and/or the respective wall might be magnetized.
  • the attachment point would be a whole area that is suitable for attaching a movable thermal isolation element.
  • a set of attachment points then would only comprise a single attachment point.
  • a magnetic bonding is advantageous because it is strong, flexible, durable, and it does not need fragile elements.
  • the cool pack comprises at least a first cooling section and a second cooling section.
  • the first cooling section and the second cooling section can be filled with a refrigerant independently.
  • the refrigerant is carbon dioxide (CO 2 ).
  • the first cooling section and the second cooling section of the cool pack each comprise at least one refrigerant inlet.
  • the refrigerant can be introduced into the cool pack, e.g. through nozzles. Preferably, this is done in a supply center, where the cooling box can be commissioned.
  • a method for adjusting the temperature in a cooling box, characterized in that at least one movable thermal isolation element is attached to a set of the attachment points to locally reduce the heat flow through the housing into the cooling box, wherein each set of the attachment points defines a position for attaching at least one movable thermal isolation element, and wherein a first temperature level in the first storage chamber and a second temperature level in the second storage chamber are adjusted by at least one of the following steps:
  • the positions preferably are each one of the inside positions or of the outside positions. There may be two or more such positions, e.g. a first position, a second position, a third position and a fourth position.
  • a first position e.g. a first position
  • a second position e.g. a second position
  • a third position e.g. a fourth position.
  • different temperature levels in the first and in the second storage chamber can be achieved.
  • By adding a further movable thermal isolation element the number of realizable temperature levels in the first and in the second storage chamber can be increased.
  • a first movable thermal isolation element is attached to a second movable thermal isolation element, wherein the second movable thermal isolation element is attached to a wall of the cooling box.
  • Two movable thermal isolation elements attached to each other increase the effect of thermal isolation. This increases the number of realizable temperature levels inside the storage chambers.
  • the thermal isolation is doubled compared to the case of a single movable thermal isolation plate being used.
  • Attachment points are preferably provided on at least one movable thermal isolation element for connecting two movable thermal isolation elements together.
  • a further preferred embodiment of the method further comprises injecting a refrigerant into at least one of the first cooling section and the second cooling section of the cover.
  • the first temperature level and the second temperature level are adjusted according to the amount of refrigerant injected into the first cooling section and the second cooling section.
  • the active cooling provided by the cover can be varied in order to adjust the temperature levels in the first storage chamber and the second storage chamber. If the volumes of the first and second storage chambers are varied, the active cooling provided by the cool pack is preferably adapted to the volume to be cooled. Besides the cuboid housing of the cooling box and the movable thermal isolation elements, also the cool pack contributes to the thermal isolation from the environment. This may depend on the amount of refrigerant injected into a particular cooling section. Accordingly, evaporation rates of the refrigerant may vary.
  • the movable thermal isolation element used in step a) is a first movable thermal isolation insert having a first size
  • the movable thermal isolation element used in step b) is a second movable thermal isolation insert having a second size, which is different from the first size
  • movable thermal isolation inserts of different sizes provides a possibility to adjust not only the temperature levels in the first storage chamber and the second storage chamber, but also the size (i.e. the volume) of the storage chambers.
  • the first size is one third of the cooling box volume and the second size is two thirds of the cooling box volume.
  • a method for transporting heat-sensitive products comprising placing heat-sensitive products into a cooling box according to the present invention and/or wherein the temperature in the first and in the second storage chamber of the cooling box is adjusted by a method according to the present invention.
  • the cooling box according to the present invention and the method for transporting heat-sensitive products according to the present invention preferably are used for transporting heat-sensitive products and for distributing the goods to final customers. As described above, this can involve heat-sensitive products with different temperature requirements. Adjusting the temperature levels in the first storage chamber and in the second storage chamber separately facilitates this transport.
  • Fig. 1 shows a cooling box 1 with a housing 2 that has a commissioning opening 4 at an opening side 3.
  • the commissioning opening 4 can be closed by a cover 5, in which a cool pack 6 is integrated.
  • the cooling box 1 comprises a first storage chamber 7 and a second storage chamber 8.
  • the housing 2 comprises walls 9 and a separating wall 10 between the first storage chamber 7 and the second storage chamber 8.
  • a movable thermal isolation element 11 is attached in a first position 15.
  • the movable thermal isolation element 11 is realized as a movable thermal isolation plate 19. Further, attachment points 12 are shown.
  • Fig. 2 shows the cooling box 1 from fig. 1 .
  • a first movable thermal isolation element 20 is attached to a second movable thermal isolation element 21.
  • Both the first and the second movable thermal isolation element 20, 21 are realized as movable thermal isolation plates 19.
  • the second movable thermal isolation element 21 is attached to the cooling box 1 in a second position 16. It can be distinguished between inside positions 13 and outside positions 14. In each of the inside positions 13 and each of the outside positions 14 a set of attachment points 12 is provided.
  • the first position 15, the second position 16 and a third position 17 are outside positions 14, while a fourth position 18 is an inside position 13.
  • Fig. 3 shows a cooling box 1 with a housing 2 that has a first storage chamber 7, a second storage chamber 8, walls 9 and an opening side 3 with a commissioning opening 4.
  • the commissioning opening 4 can be closed by a cover 5 that comprises a cool pack 6.
  • the cool pack 6 is divided into a first cooling section 25, a second cooling section 26 and a third cooling section 27.
  • Each cooling section 25, 26, 27 comprises a refrigerant inlet 28, through which a refrigerant may be injected into the respective cooling section 25, 26, 27.
  • Attachments points 12 are arranged in a first position 15 and in a second position 16, where a movable thermal isolation element 11 can be attached.
  • the movable thermal isolation element 11 is realized as a movable thermal isolation insert 22.
  • the movable thermal isolation insert 22 is a first movable thermal isolation insert 23 with a first size. The first size is about one third of the volume of the cooling box 1.
  • Fig. 4 the same embodiment of the cooling box 1 is shown as in fig. 3 .
  • fig. 4 all elements not mentioned in the following are the same as in fig. 3 .
  • the movable thermal isolation insert 22 is realized as a second movable thermal isolation insert 24, which is attached in the second position 16.
  • the second movable thermal isolation insert 24 has a second size, which is about two thirds of the volume of the cooling box 1.
  • a cooling box is provided, wherein a flexible thermal isolation on the one hand and a special layout of the cool pack on the other hand allows for adjusting the temperature levels inside at least two storage chambers separately. This is useful for transporting goods with different temperature requirements, e.g. to costumers.

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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)
EP16152756.9A 2016-01-26 2016-01-26 Procédé pour le transport de produits périssables Active EP3199894B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP16152756.9A EP3199894B1 (fr) 2016-01-26 2016-01-26 Procédé pour le transport de produits périssables
PT161527569T PT3199894T (pt) 2016-01-26 2016-01-26 Método para transporte de produtos perecíveis
ES16152756T ES2880686T3 (es) 2016-01-26 2016-01-26 Método para transportar productos perecederos
PL16152756T PL3199894T3 (pl) 2016-01-26 2016-01-26 Sposób transportowania produktów łatwo psujących się

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16152756.9A EP3199894B1 (fr) 2016-01-26 2016-01-26 Procédé pour le transport de produits périssables

Publications (2)

Publication Number Publication Date
EP3199894A1 true EP3199894A1 (fr) 2017-08-02
EP3199894B1 EP3199894B1 (fr) 2021-04-28

Family

ID=55237551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16152756.9A Active EP3199894B1 (fr) 2016-01-26 2016-01-26 Procédé pour le transport de produits périssables

Country Status (4)

Country Link
EP (1) EP3199894B1 (fr)
ES (1) ES2880686T3 (fr)
PL (1) PL3199894T3 (fr)
PT (1) PT3199894T (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110098447A (zh) * 2019-04-23 2019-08-06 宁波昕科工贸有限公司 一种节能保温的电动汽车加热腔及加热方法
DE102018004216A1 (de) * 2018-05-25 2019-11-28 MChef GmbH & Co.KG Transportbox insbesondere für teilzubereitete Speisen
CN112503816A (zh) * 2020-11-17 2021-03-16 中国人民解放军联勤保障部队第九二四医院 一种方便分类防振动的低温运血箱

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6381981B1 (en) * 2001-05-02 2002-05-07 Advanced Tissue Sciences, Inc. Container for shipping and storing frozen products
US20030101744A1 (en) * 2001-12-03 2003-06-05 Harper Scott M. Portable cooler having multiple compartments
JP2004238051A (ja) * 2003-02-07 2004-08-26 Olympus Corp 搬送容器
US20120279896A1 (en) * 2011-05-05 2012-11-08 Gary Lantz Insulated shipping container, and method of making
US20120305435A1 (en) * 2011-01-04 2012-12-06 Matta Auston R Modular system for thermally controlled packaging devices
US20150166244A1 (en) * 2013-12-13 2015-06-18 Peli BioThermal Limited Thermally insulated package

Family Cites Families (6)

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FR2714894B1 (fr) * 1994-01-12 1996-03-29 Enthalpy Boîte isolante pliable de transport et d'emballage.
CN2324372Y (zh) * 1998-03-11 1999-06-16 贾艳 可卸式保温块
JP2005008167A (ja) * 2003-06-17 2005-01-13 Marushin Bag Kogyo:Kk 保冷用収納装置
JP2007118972A (ja) * 2005-10-26 2007-05-17 Costem:Kk 定温保冷ボックスと定温保冷方法
US8256242B1 (en) * 2008-07-21 2012-09-04 Evans Deborah B Cooler with multiple compartments
US8584891B2 (en) * 2012-03-06 2013-11-19 Beresford Hutchinson Multi-use modular container

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6381981B1 (en) * 2001-05-02 2002-05-07 Advanced Tissue Sciences, Inc. Container for shipping and storing frozen products
US20030101744A1 (en) * 2001-12-03 2003-06-05 Harper Scott M. Portable cooler having multiple compartments
JP2004238051A (ja) * 2003-02-07 2004-08-26 Olympus Corp 搬送容器
US20120305435A1 (en) * 2011-01-04 2012-12-06 Matta Auston R Modular system for thermally controlled packaging devices
US20120279896A1 (en) * 2011-05-05 2012-11-08 Gary Lantz Insulated shipping container, and method of making
US20150166244A1 (en) * 2013-12-13 2015-06-18 Peli BioThermal Limited Thermally insulated package

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018004216A1 (de) * 2018-05-25 2019-11-28 MChef GmbH & Co.KG Transportbox insbesondere für teilzubereitete Speisen
DE102018004216B4 (de) 2018-05-25 2022-05-25 MChef GmbH & Co.KG Transportbox insbesondere für teilzubereitete Speisen
US11655094B2 (en) 2018-05-25 2023-05-23 Mchef Gmbh & Co. Kg Transport box, in particular for partially prepared meals
CN110098447A (zh) * 2019-04-23 2019-08-06 宁波昕科工贸有限公司 一种节能保温的电动汽车加热腔及加热方法
CN112503816A (zh) * 2020-11-17 2021-03-16 中国人民解放军联勤保障部队第九二四医院 一种方便分类防振动的低温运血箱

Also Published As

Publication number Publication date
EP3199894B1 (fr) 2021-04-28
ES2880686T3 (es) 2021-11-25
PT3199894T (pt) 2021-07-16
PL3199894T3 (pl) 2021-11-02

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