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WO2015063820A1 - Boîte isolée thermiquement - Google Patents

Boîte isolée thermiquement Download PDF

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Publication number
WO2015063820A1
WO2015063820A1 PCT/JP2013/006490 JP2013006490W WO2015063820A1 WO 2015063820 A1 WO2015063820 A1 WO 2015063820A1 JP 2013006490 W JP2013006490 W JP 2013006490W WO 2015063820 A1 WO2015063820 A1 WO 2015063820A1
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WO
WIPO (PCT)
Prior art keywords
heat
cold storage
cold
heat insulating
plate
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Ceased
Application number
PCT/JP2013/006490
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English (en)
Japanese (ja)
Inventor
安人 日下
敬介 笠原
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Individual
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Individual
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Priority to PCT/JP2013/006490 priority Critical patent/WO2015063820A1/fr
Publication of WO2015063820A1 publication Critical patent/WO2015063820A1/fr
Anticipated expiration legal-status Critical
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
    • B65D81/3816—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container formed of foam material

Definitions

  • the present invention relates to a heat-insulating box having a sealing property used as a returnable box having a heat insulating effect, and in particular, by making the heat passage rate of the cover plate and the bottom plate smaller than the heat passage rate of the side plate in order to achieve effective heat insulation.
  • the present invention relates to a heat insulation box that can obtain the maximum heat insulation effect with a minimum amount of heat insulating material and can be kept cool and warm for a desired period.
  • a heat insulating container including a container, a heat insulating bag made of a main body and a lid for containing the container, each wall portion of the bag main body ,
  • a technology related to a heat insulating container using a vacuum heat insulating material on the bottom wall part and the top wall part of the lid body is disclosed, which suggests that it is possible to provide a heat insulating container with greatly improved heat insulating performance. ing.
  • the vacuum heat insulating material is a member that can obtain a high heat insulating effect, and is a member that can be used for a heat insulating container.
  • the heat insulating material is evenly provided on all surfaces in the container. Therefore, the cost required for the vacuum heat insulating material is increased, and it has not been possible to provide a heat insulating container having a high heat insulating effect and excellent heat insulating efficiency in terms of cost effectiveness.
  • the room for storing the cold insulation agent and the room for storing the cold object to be cooled are configured to circulate air without being hermetically sealed. In other words, the cold insulation temperature time (period) is conversely limited, and it cannot be said that the container can achieve a uniform and sufficient cold insulation temperature effect over a desired period (long time).
  • Japanese Patent Application Laid-Open No. 2003-128163 discloses a technique related to a heat insulating cold container that can be manufactured without cost and time and has an excellent heat insulating effect without increasing the thickness of the container main body and the lid. It is disclosed.
  • the container body and the lid of the heat insulating cold container are mixed with 25 to 80% by weight of a polyolefin-based thermoplastic synthetic resin and 20 to 75% by weight of paper powder having an average particle size of 30 to 80 ⁇ m under heating.
  • a technique of forming the mixture from the above is disclosed, and by attaching a foam as a heat insulating material to at least the inner surface of the container main body, the thermal conductivity can be further reduced, and the heat insulating property and the cold insulation property of the container are improved. Techniques for further improvement are suggested.
  • the applicant of the present invention is also the applicant of the invention according to Japanese Patent Application Laid-Open No. 2010-120673.
  • a returnable box having a cold insulation temperature effect the inside of the case body of the heat insulating material is divided into an upper chamber and a lower chamber by a partition plate of the heat insulating material, and the cold storage agent or the heat insulating agent is stored in the upper chamber,
  • the lower chamber a technique for allowing a cold body or the like to be kept for a long time by storing the cold body or the warm body is disclosed.
  • Technical contents are disclosed that can keep a body cold or warm for a long time and can transport a cold body or a warm body from a production site to a remote place as it is.
  • the present invention is a sealed heat insulation box used as a returnable box having a heat insulation effect, and in particular, the temperature distribution in the heat insulation box is a heat load per area with respect to the external temperature.
  • the bottom plate and the bottom plate are larger than the side plate, so that the heat transfer rate of the lid plate and bottom plate is smaller than the heat transfer rate of the side plate in order to achieve effective heat insulation.
  • a heat insulation box that can obtain a heat insulation effect and can exhibit a maximum heat insulation effect at a low cost, which can be kept cold and kept for a desired period of time.
  • the heat insulation box according to the present invention is a heat insulation box for storing a cold-retained warm material and a cold storage warming agent therein to cool or retain the cold-retained warm object, ,
  • the heat insulation box according to the present invention is a heat insulation box for storing a cold-insulated warm material and a cold storage warming agent therein to cool or keep the cold-warm material
  • the heat insulation box includes a regenerator / warmant storage unit that stores a regenerator / warmth agent, a cold-warm / warmth-warm storage unit that stores a cold-warm / warmth material, It is the structure which consists of a heat insulation partition plate which consists of a heat insulating material which interrupts
  • the heat insulation box includes a regenerator / warmant storage unit that stores a regenerator / warmth agent, a cold-warm / warmth-warm storage unit that stores a cold-warm / warmth material, It consists of a heat insulating partition plate made of a heat insulating material for partitioning, and the heat insulating partition plate has a configuration in which a single hole or a plurality of holes penetrating the plate are formed so that mutual air can flow.
  • the cold storage warming agent is composed of a container and a gel-like content for cold storage temperature stored in the container.
  • the regenerator / heater stored in the regenerator / heater storage unit has a maximum volume that can be stored in the regenerator / heater storage unit in order to suppress air convection in the regenerator / heater storage unit. It is the structure which is a single cold storage warming agent which consists of a shape corresponding to the said cold storage warming agent storage part inside dimension so that a surface area may become the minimum.
  • the cold storage warming agent stored in the cold storage warming agent storage unit is configured to have a shape that can be stacked in the cold storage warming agent storage unit without a gap in order to suppress convection of air in the cold storage warming agent storage unit.
  • the cold storage warming agent storage part arranges the cold storage warming agent in the cold storage warming agent storage part and suppresses air convection made of a lightly filled packaging material in the formed gap. It is the structure which has arrange
  • the ratio of the insulating effect of the cover plate and the heat transfer coefficient of the bottom plate (heat transmission coefficient) K 1 and the side plate heat transfer coefficient of the (heat transmission coefficient) K 2 has a heat insulating material made from the range of K 1 ⁇ K 2, the main Further, it is possible to provide a heat insulation box with good heat insulation efficiency by blocking heat flow (leakage) from the top and bottom (the cover surface and the bottom surface) of the heat insulation box. 2.
  • the lid plate, the bottom plate, and the side plate are made of a heat insulating material having the same thermal conductivity, and the thickness t 1 of the lid plate and the bottom plate is at least 2.2 t 2 > t 1 > 1 with respect to the thickness t 2 of the side plate. Since the heat insulating material is in the range of 2 t 2 , heat penetration (leakage) at the top and bottom of the heat insulating box can be blocked, and a heat insulating box with good heat insulating efficiency can be provided.
  • the heat insulation box is divided into a cool storage / warming agent storage part and a cold storage object storage part, and a heat insulating partition plate is provided for partitioning each storage part. The cold insulation temperature and heat from the agent will not be applied to the cold object or the warm material more than necessary, and the cold insulation temperature can be maintained for a long time through the gentle holding heat.
  • each of the above-described structures is a heat insulation box with good heat insulation efficiency, there is no heat insulation partition plate that partitions the heat insulation efficiency cold storage agent storage unit and the cold object storage unit, or there is a hole in the heat insulation partition plate so that air flows. Even in this case, since the heat insulation between the cover plate and the bottom plate is good, the cold insulation temperature can be maintained for a long time. 6).
  • the cold storage warming agent is configured to store the gel-like contents for cold storage temperature in the container, so the fluidity after the freezing point of the cold storage warming agent is suppressed, heat loss due to heat convection is reduced, and the containers and the container and the cold storage
  • the gap between the warming agent storage units can be minimized, and the convection of air in the cold storage warming agent storage unit can be suppressed to effectively keep the cold insulation temperature for a long time.
  • the cool storage warming agent has a shape that corresponds to the inside dimensions of the cool storage warming agent storage part, the maximum amount of the cool storage warming agent that can be stored in the cold storage warming agent storage part and at the same time the surface area of the cold storage warming agent is minimized, so It becomes possible to suppress the air convection. 8). Since the cold storage warming agent has a shape that can be stacked and disposed in the cold storage warming agent storage part without any gap, it becomes difficult for air to enter the cold storage warming agent storage part, and convection of air can be suppressed.
  • the air convection suppressing material is arranged in the gap formed when the cold storage warming agent is stacked and arranged in the cold storage warming agent storage part, it becomes difficult for air to enter the cold storage warming agent storage part and suppresses air convection. Is possible.
  • FIG. 1 is a side sectional view of a heat insulating box in which the heat passing rate (heat transmissivity) of the lid plate / bottom plate and the side plate according to the present invention is changed
  • FIG. 2 shows the change in the thickness of the lid plate / bottom plate and the side plate.
  • FIG. 3 is a side sectional view of a heat insulating box in which the thickness of the lid plate / bottom plate and the side plate is changed
  • FIG. 4 is a side sectional view of the heat insulating box in which the thickness of the lid plate / bottom plate and the side plate is the same.
  • FIG. 5 is a side cross-sectional view of a heat insulating box in which the heat passing rate (heat transmissivity) of the cover plate / bottom plate and the side plate having the heat insulating partition plate is changed
  • FIG. It is side surface sectional drawing of the heat insulation box which changed the thickness of the side plate.
  • FIG. 7 is a side cross-sectional view of a heat insulating box having a heat insulating partition plate in a state in which a cool storage agent and a cold object are stored
  • FIG. 8 has a heat insulating partition plate in a state in which the heat storage agent and a heat stored material are stored. It is side surface sectional drawing of a heat insulation box.
  • FIG. 7 is a side cross-sectional view of a heat insulating box having a heat insulating partition plate in a state in which a cool storage agent and a cold object are stored
  • FIG. 8 has a heat insulating partition plate in a state in which the heat storage agent and a heat stored
  • FIG. 9 is a side cross-sectional view of a heat insulating box having a heat insulating partition plate in a state in which a single cold storage agent and an object to be cooled are stored
  • FIG. 10 has a heat insulating partition plate in a state in which a plurality of cold storage agents are stored. It is side surface sectional drawing of a heat insulation box.
  • FIG. 11 is a side cross-sectional view of a conventional heat insulation box
  • FIG. 12 is a view showing a result of a cold insulation temperature experiment of the heat insulation box according to the present invention.
  • the heat insulation box 10 of the present invention is composed of a box body sealed by a cover plate 20, a side plate 30 erected around the periphery, and a bottom plate 40, and mainly stores a cold insulation material and a regenerator material inside.
  • This is a heat insulation box that can be manufactured at a low cost, and is a box for keeping the temperature of the object to be kept cold or keeping the temperature of the stored object for a long time.
  • the heat insulation box 10 is configured by a rectangular parallelepiped sealed by a cover plate 20, a side plate 30, and a bottom plate 40 in the present embodiment, but the shape of the box is a rectangular parallelepiped.
  • the shape is not limited to the above, and any solid shape having a substantially parallel upper and lower surfaces such as a cylindrical shape or a trapezoidal column may be used.
  • the cover plate 20 and the bottom plate 40 are made of a heat insulating material having substantially the same heat passage rate (heat transmissivity).
  • the heat passage rate (heat transmissivity) of the heat insulating material constituting the cover plate 20 and the bottom plate 40 can be represented by a constant K 1 [kcal / m 2 ⁇ h ⁇ ° C.].
  • the side plate 30 is composed of a heat insulating material having a different heat passage rate (heat transmissivity) from the lid plate 20 and the bottom plate 40.
  • the heat passage rate (heat flow rate) of the heat insulating material constituting the side plate 30 can be represented by a constant K 2 [kcal / m 2 ⁇ h ⁇ ° C.].
  • K 1 and K 2 have a relationship of K 1 ⁇ K 2 . It is necessary that the heat passage rate (heat flow rate) of the heat insulating material constituting the cover plate 20 and the bottom plate 40 is smaller than the heat flow rate (heat flow rate) of the heat insulating material constituting the side plate 30.
  • the conventional heat insulation box has a structure that is generally seen that the cover plate, the bottom plate, and the side plate are all formed of the same member. A box with a different structure (with different materials) was not created. Further, as disclosed in Japanese Patent Application Laid-Open No. 2003-128163, there is a structure in which a heat insulating material is not attached to the cover plate. However, in such a configuration, on the contrary, the cooling efficiency is deteriorated. There was a problem.
  • FIG. 12 shows the experimental results of the cold insulation / heat insulation experiment of the heat insulation box 10 according to the present invention.
  • the heat insulation (cooling) effect produced by the heat insulation box was measured by changing the heat passage rate of each plate by changing the thickness of the cover plate and the bottom plate, and the thickness of the side plate. is there.
  • the box according to the present invention which has an internal space of about 30 cm square as a heat insulating box and is partitioned by a heat insulating partition plate to be described later, is used to store the cold storage agent and the object to be cooled. The time until the temperature reached a predetermined temperature was measured.
  • the XPS extruded polystyrene
  • the thickness was changed by increasing the number of XPS used. Further, 300 g of block-shaped ice stored in a pack as a cold insulation material is stored in the cold storage material storage section, and a plastic bottle containing 600 ml of water as a cold storage object is stored as a dummy in the cold storage object storage section.
  • the outside air temperature during the experiment was approximately 32 ° C. to 34 ° C.
  • T 1 in the regenerator storage unit is ⁇ 18 ° C.
  • T 2 in the cold storage unit storage unit is ⁇ 18 ° C.
  • T 1 and T 2 are approximately ⁇ 2 ° C. to ⁇ 1 ° C., respectively. The elapsed time until was measured.
  • the cold heat retention time was 9 to 10 hours (1 in FIG. 12).
  • the holding time of the cold time is From 12 hours to 13 hours, it can be confirmed that the heat insulation effect is enhanced (2 in FIG. 12).
  • the thickness of the side plate is kept as it is, and the thickness of the lid plate and the bottom plate is added and measured (the cover plate, the bottom plate is composed of 3 XPS, and the side plate is composed of 2 XPS).
  • the holding time of cold heat is 15 hours to 16 hours (3 in FIG. 12), and it is confirmed that a significant heat insulating and heat insulating effect can be obtained only by increasing the thickness of the cover plate and the bottom plate (lowering the heat transfer rate). It was.
  • the cooling time was 15 to 16 hours (4 in FIG. 12), and 2 side plates were used. It was confirmed that there was no change in the heat insulation and heat insulation effect compared with the ones of the above, and the influence of the side plate on the heat insulation and heat insulation effect was small compared to the cover plate and the bottom plate.
  • the thickness of the side plate is left as it is, and the thickness of the lid plate and the bottom plate is added and measured (comprising 4 lids, 4 XPS for the bottom plate, and 3 XPS for the side plate), and the cooling time is kept. It was further increased to 17 to 18 hours (5 in FIG. 12), and it was confirmed that a more efficient heat insulating and heat insulating effect can be obtained only by increasing the thickness of the cover plate and the bottom plate again.
  • the time for the contents to dissolve is compared with the case where the thickness of each of the lid plate, the bottom plate and the side plate is increased evenly. It is speculated that there is no big difference. That is, if the thickness of the cover plate and the bottom plate and the heat transfer rate of the side plate are balanced, if the thickness of the heat insulation plate of the cover plate and the bottom plate is sufficient (the heat transfer between the cover plate and the bottom plate) If the rate is sufficiently low), even if the number of side plates is saved (even if the side plate is made of an inexpensive material with a high heat transfer rate), it may be considered that sufficient heat insulation and heat insulation effects can be obtained. .
  • the heat insulating property of the bottom plate is high (the heat passage rate (heat flow rate) is low)
  • the inside of the heat insulating box is hardly affected by external heat, and as a result, the duration of the cooling state is prolonged. I can do it.
  • the cold storage agent placed in the upper stage in the heat insulation box partitioned by the heat insulation partition plate transmits cold heat to the lower cold object through the heat insulation partition plate, Although it cools, the cold heat which a cool storage agent emits also stays in the upper space at the same time.
  • the heat insulating property of the cover is high as in this embodiment (heat transmission rate (heat When the penetration rate is low), the penetration of warm heat from the outside upward direction is difficult to be transmitted to the inside, and the higher the heat insulation of the lid, the more the cold temperature inside is kept.
  • the influence received from the heat flowing through from the side plate is temporary, it is considered to be a structural improvement due to the fact that the heat insulating property of the lid plate becomes more important.
  • the above-mentioned phenomenon is considered to be the same when performing heat insulation instead of cooling.
  • the location of the object to be warmed is turned upside down, and the point is to suppress the cooling of the raised warm air. That is, the cover plate constituting the heat insulating box, the side plates and the bottom plate, the lid and bottom plates heat transfer coefficient of which is disposed above and below the heat insulating box (heat transmission coefficient) K 1 in a case where it is lower than the K 2 of the side plate
  • the heat insulation effect can be maintained.
  • the cover plate 20, the side plate 30, and the bottom plate 40 are made of a heat insulating material having the same thermal conductivity. ing.
  • the thermal conductivity of the heat insulating material constituting the cover plate 20, the side plate 30, and the bottom plate 40 can be expressed by a constant ⁇ [kcal / m ⁇ h ⁇ ° C.].
  • the thickness of each heat insulating material is represented by t n [mm]
  • the relationship between the thickness t 1 of the cover plate 20 and the bottom plate 40 and the thickness t 2 of the side plate 30 is: 2.2t 2 > t 1 > 1.2t 2
  • the thickness t 1 of the lid plate 20 and the bottom plate 40 is thicker than the thickness t 2 of the side plate 30 and is 1.2 to 2.2 times as thick as t 2 . Since the cover plate 20, the side plate 30, and the bottom plate 40 are made of a heat insulating material having the same thermal conductivity, a thicker plate has higher heat insulating efficiency.
  • the heat insulating box 10 can be configured to be thin and low cost, and can exhibit a sufficient heat insulating effect by increasing the thickness of the cover plate 20 and the bottom plate 40, and exhibit the maximum heat insulating effect at a low cost. Things can be realized. That is, the heat insulation effect becomes higher when the side plate heat insulation is thinned to the lid plate and the bottom plate than when the entire heat insulation box is uniformly insulated, thereby reducing the material cost of the heat insulation plate.
  • a heat insulating material within this range a vacuum heat insulating material (about 0.0035 [kcal / m ⁇ h ⁇ ° C.]) or a polystyrene foam (about 0.035 k [cal / m ⁇ h ⁇ ° C.]) can be considered.
  • a heat insulating material within this range it is possible to construct a heat insulating box with good heat insulating efficiency and an effective heat insulating effect, and to improve the heat insulating box with excellent cost performance. Is possible.
  • the heat insulation box 10 is provided with a cold storage / warming agent storage 50 for storing the cold storage / warming agent 80 and a cold / warm storage container 60 for storing the cold / warmth 90. It has a configuration. Moreover, it is the structure by which the heat insulation partition plate 70 is provided between the cool storage warm material storage part 50 and the to-be-cooled material storage part 60. FIG. The heat insulating partition plate 70 is arranged so as to divide the inside of the heat insulating box 10 in the vertical direction, and plays a role of partitioning the cold storage material storage unit 50 and the cold object storage unit 60 and blocking mutual air circulation.
  • the heat insulating partition plate 70 is made of a heat insulating material such as a polystyrene foam or a vacuum heat insulating plate, but is not limited thereto, and may be appropriately selected as long as it is a material having other heat insulating effects. Is possible.
  • the heat insulating partition plate 70 uses the same material as that of the cover plate 20, the side plate 30, and the bottom plate 40. However, if the material has a heat insulating effect, a different material is appropriately selected and used. May be.
  • FIG. 5 and 6 show an embodiment in which the cool storage material 92a is cooled and cooled by using the cool storage agent 82a.
  • the cool storage temperature storage unit 50 is disposed in the upper stage, and the cool temperature is stored in the lower stage.
  • the object storage part 60 is arrange
  • the heat insulation box 10 is provided with a cold storage / warming agent storage unit 50 for storing a cold storage warming agent and a cold storage material storage unit 60 for storing a cold storage material, and is provided with a heat insulation partition plate 60 made of a heat insulating material for partitioning them.
  • the heat insulating partition plate 60 may have a structure in which a single hole or a plurality of holes are formed. By setting it as this structure, it becomes possible to distribute
  • the heat insulating partition plate that partitions the cold storage agent storage unit and the cold object storage unit.
  • FIG. 11 since the heat insulation between the cover plate and the bottom plate is good as described above, even when the air is circulated through the heat insulation partition plate as shown in FIG. Can be maintained for a long time.
  • the cold storage warming agent 80 has a configuration including a container 84 and a gel-like cold storage temperature content 86 stored in the container 84.
  • the cold storage temperature content 86 which is the content of the cold storage warming agent 80
  • the cold storage temperature content 86 into a gel form, after melting from the freezing point, there is no convection due to the non-flowable gel form, and there is less heat dissipation compared to fluids etc. It becomes possible to keep the temperature of the cold storage warming agent constant over a long period of time. Thereby, the cold insulation and the heat insulation by the heat insulation box 10 over a longer time became possible.
  • the cold storage warming agent 80 can be configured by a single cold storage warming agent having a shape corresponding to the inner dimension of the cold storage warming agent storage unit 50. That is, the cold storage warming agent 80 can be configured in such a shape that the inside of the cold storage warming agent storage unit 50 is filled with the single cold storage warming agent 80.
  • the cold storage warming agent 80 radiates cold / hot heat, and the temperature of the cold storage warming agent 80 itself changes due to the influence of heat from the outside. At this time, if there is a gap between the cold storage warming agent 80 and the inner wall of the cold storage warming agent storage unit 50, air flows therethrough.
  • the air plays a role of gently transmitting the cold / heat received from the outside to the cold storage warming agent 80 while convection, so that the temperature of the cold storage warming agent 80 is likely to change. As a result, the cold storage by the cold storage warming agent 80 ⁇ The insulation time will be shortened.
  • the cold storage warming agent 80 By making the cold storage warming agent 80 have the above structure, it becomes possible to suppress the convection of air in the cold storage warming agent storage unit 50. Further, if the cold storage warming agent 80 has a large surface area, the cold storage heat agent 80 is in contact with the cooling heat and heat, and accordingly, the cold storage and heat retention time is shortened. Therefore, it is desirable that the surface area be as small as possible. By configuring the cold storage warming agent 80 in a single shape as in the present embodiment, it is possible to reduce the total surface area. With the above structure, the cold storage warming agent 80 has a maximum volume that can be stored in the cold storage warming agent storage unit 50, and can minimize the surface area of the cold storage warming agent 80. Can be realized.
  • the cold storage warming agent 80 can be formed into a shape that can be stacked and disposed in the cold storage warming agent storage unit 50 without a gap.
  • the temperature of the air in contact with the cold storage / warming agent 80 always changes, resulting in a reduction in the cool / heat retention time of the cold storage / warming agent 80.
  • the cold storage warming agent 80 is configured as described above, when the cold storage warming agent 80 is stored in the cold storage warming agent storage unit 50, the convection of the air in the cold storage warming agent storage unit 50 is suppressed, and a longer time is required. It is possible to achieve cold and warm insulation over a wide range.
  • the inside of the regenerator / warmant storage part 50 can be configured such that an air convection suppressing material 52 made of a lightweight filling and packaging material is disposed in the formed gap.

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Abstract

La présente invention concerne une boîte isolée thermiquement qui, au moyen d'une réduction du coefficient de transfert thermique total d'une plaque-couvercle et d'une plaque de fond au-dessous de celui d'une plaque latérale, peut obtenir la quantité la plus importante d'effet d'isolation thermique à l'aide de la quantité la plus faible de matériau d'isolation thermique ; permet une période de temps souhaitée de conservation du froid et de conservation de la chaleur ; et exerce la quantité la plus importante d'effet d'isolation thermique à bas coût. La boîte isolée thermiquement (10) comprend un corps de boîte fermé hermétiquement par une plaque-couvercle (20), une plaque latérale (30) disposée verticale au niveau de la périphérie et une plaque (40) de fond ; la plaque-couvercle (20) et la plaque (40) de fond comprenant un matériau d'isolation thermique présentant des coefficients de transfert thermique totaux approximativement équivalents (K1) ; la plaque latérale (30) comprenant un matériau d'isolation présentant un coefficient de transfert thermique total (K2) qui diffère de celui de la plaque-couvercle (20) et de la plaque (40) de fond ; et la proportion des effets d'isolation thermique du coefficient de transfert thermique total (K1) et du coefficient de transfert thermique total (K2) étant dans la plage de K1 < K2.
PCT/JP2013/006490 2013-11-01 2013-11-01 Boîte isolée thermiquement Ceased WO2015063820A1 (fr)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018177311A (ja) * 2017-04-14 2018-11-15 国立研究開発法人宇宙航空研究開発機構 保冷保温容器
EP3798153A1 (fr) * 2019-09-26 2021-03-31 va-Q-tec AG Récipient à isolation thermique
CN115867496A (zh) * 2020-05-11 2023-03-28 尤金·詹森 保温支架和运输饮料的方法

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JP2021054536A (ja) * 2019-09-26 2021-04-08 ファ−クー−テック アクチェンゲゼルシャフト 断熱容器
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