CN112743916A - 3D vacuum insulation panel and heat preservation container with openings for vacuumizing and sealing - Google Patents

3D vacuum insulation panel and heat preservation container with openings for vacuumizing and sealing Download PDF

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Publication number
CN112743916A
CN112743916A CN202011560289.4A CN202011560289A CN112743916A CN 112743916 A CN112743916 A CN 112743916A CN 202011560289 A CN202011560289 A CN 202011560289A CN 112743916 A CN112743916 A CN 112743916A
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CN
China
Prior art keywords
barrier layer
vacuum
sealed
core material
insulation panel
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.)
Pending
Application number
CN202011560289.4A
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Chinese (zh)
Inventor
张善智
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.)
Fujian Supertech Cold Chain Technology Co ltd
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Fujian Supertech Cold Chain Technology Co ltd
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Publication date
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Priority to CN202011560289.4A priority Critical patent/CN112743916A/en
Publication of CN112743916A publication Critical patent/CN112743916A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B1/00Layered products having a general shape other than plane
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/14Layered products comprising a layer of metal next to a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00Layered products comprising a layer of metal
    • B32B15/20Layered products comprising a layer of metal comprising aluminium or copper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/08Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B32B37/1018Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure using only vacuum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D65/00Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38Packaging materials of special type or form
    • B65D65/40Applications of laminates for particular packaging purposes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D81/00Containers, 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
    • B65D81/38Containers, 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/304Insulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2439/00Containers; Receptacles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Refrigerator Housings (AREA)
  • Thermal Insulation (AREA)
  • Packages (AREA)

Abstract

The invention provides a 3D vacuum heat insulation plate with an opening, a vacuumizing seal, wherein the 3D vacuum heat insulation plate is provided with an accommodating cavity and an opening and specifically comprises an inner barrier layer, an outer barrier layer, a middle core material, an adsorbent, an opening and a sealing film; the inner barrier layer and the outer barrier layer are respectively positioned on the inner side and the outer side of the middle core material, and are mutually sealed and compounded on the opening end surface of the middle core material to form a cavity filled with the core material; the inner barrier layer or the outer barrier layer is provided with an opening communicated with the cavity and used for vacuumizing the middle core material, and the opening is sealed through a sealing film after vacuumizing. The 3D vacuum insulation panel with the opening for vacuumizing and sealing solves the technical problem of how to vacuumize and seal the 3D vacuum insulation panel. The invention also provides a heat-insulating container, which uses the 3D vacuum heat-insulating plate with the opening, the vacuumizing and the sealing.

Description

3D vacuum insulation panel and heat preservation container with openings for vacuumizing and sealing
Technical Field
The invention relates to the field of heat insulation materials, in particular to a vacuumizing sealing mode and a structure of a 3D vacuum heat insulation plate.
Background
At present, most of vacuum insulation panels are two-dimensional flat plates, and some vacuum insulation panels are formed by rolling flat plates into a ring shape, but the process is complex, and a barrier film of the vacuum insulation panel is damaged, so that the performance and the service life of the vacuum insulation panel are influenced. At present, barrel-type heat preservation and box-type heat preservation are commonly used, and multi-surface splicing heat preservation of flat vacuum heat insulation boards is adopted; the marginal effect of the structural vacuum insulation panel is obvious and the cold bridge at the splicing part of the vacuum insulation panel seriously influences the overall heat insulation performance. Therefore, although the heat conductivity coefficient of the vacuum insulation panel is 2.5 mW/m.k, and the heat insulation performance is about 7-9 times better than that of pure PU, the heat insulation performance in the actual box body is only 2-3 times better than that of pure PU. The performance of the heat-insulating vacuum heat-insulating plate is not obviously improved, the cost performance is slightly insufficient, and the application of the vacuum heat-insulating plate is limited.
By adopting the 3D vacuum insulation panel, the performance of the vacuum insulation panel can be further improved, and the application advantages of the vacuum insulation panel are further improved. However, the conventional vacuumizing sealing process of the flat plate vacuum insulation panel can not meet the vacuumizing requirement of the 3D vacuum insulation panel, and the invention is based on how to solve the vacuumizing and sealing of the 3D vacuum insulation panel and maintain the vacuum degree of the 3D vacuum insulation panel.
Disclosure of Invention
The invention aims to solve the technical problems of vacuumizing and sealing a closed space in a 3D vacuum insulation panel, and provides an open-hole vacuumizing and sealing 3D vacuum insulation panel, wherein a circular hole or an exhaust hole in other shapes is formed in part of an inner barrier layer and an outer barrier layer of the sealed 3D vacuum insulation panel, and the diameter of the open hole is 10-200 mm. Through the trompil, use vacuum apparatus or put into the vacuum chamber, carry out 3D vacuum insulation panel evacuation, after reaching the vacuum requirement, use the seal membrane to seal the trompil.
In order to solve the technical problems, the invention provides a 3D vacuum insulation panel with holes, a vacuumizing opening and a sealing opening, wherein the 3D vacuum insulation panel is provided with an accommodating cavity and an opening and specifically comprises an inner barrier layer, an outer barrier layer, a middle core material, an adsorbent, holes and a sealing film;
the inner barrier layer and the outer barrier layer are respectively positioned on the inner side and the outer side of the middle core material, and are mutually sealed and compounded on the opening end surface of the middle core material to form a cavity filled with the core material; the inner barrier layer or the outer barrier layer is provided with an opening communicated with the cavity and used for vacuumizing the middle core material, and the opening is sealed through a sealing film after vacuumizing.
In a preferred embodiment, the inner barrier layer is made of an aluminum plastic film or a metal material, and is heat sealed or adhesively sealed with the outer barrier layer at the opening end face of the middle core material.
In a preferred embodiment, the outer barrier layer is made of an aluminum-plastic film or a metal material, and is heat sealed or adhesively sealed with the inner barrier layer at the opening end face of the middle core material.
In a preferred embodiment, the middle core material is air silicon or glass fiber.
In a preferred embodiment, the opening is a circular hole with a diameter of 10-200 mm.
In a preferred embodiment, the sealing membrane is not smaller than the size of the opening.
In a preferred embodiment, a closed cavity is formed between the outer barrier layer, the inner barrier layer and the sealing film, and the intermediate core material fills the space and is evacuated.
The invention also provides a heat-insulating container which uses the 3D vacuum heat-insulating plate with the opening for vacuumizing and sealing.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1. the invention provides a 3D vacuum heat insulation plate with holes and a vacuumizing seal, which is characterized in that the holes are formed in an inner barrier layer and an outer barrier layer of the 3D vacuum heat insulation plate for vacuumizing, so that the vacuumizing efficiency can be effectively improved, the production cost is reduced, and the product competitiveness is improved.
2. The invention provides a 3D vacuum heat insulation plate with holes and a vacuumizing seal, which simplifies the sealing process of the 3D vacuum heat insulation plate and greatly improves the feasibility of the 3D vacuum heat insulation plate by forming the holes and the vacuumizing seal on an inner barrier layer and an outer barrier layer of the 3D vacuum heat insulation plate.
3. The invention provides a 3D vacuum heat insulation plate with holes and a vacuumizing seal, wherein the holes are formed in an inner blocking layer and an outer blocking layer of the 3D vacuum heat insulation plate for vacuumizing seal, so that vacuum equipment can be directly used for connecting the holes, a vacuum chamber with large volume is not needed, the equipment cost is reduced, and the production floor area is reduced.
Drawings
FIG. 1 is a cross-sectional view of a 3D vacuum insulation panel with an open vacuum seal according to a preferred embodiment of the present invention.
Fig. 2 is a perspective view of a 3D vacuum insulation panel with an open vacuum seal according to a preferred embodiment of the present invention.
Fig. 3 is a perspective view of a 3D vacuum insulation panel with an open vacuum seal according to a preferred embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
The embodiment provides a 3D vacuum insulation panel with openings, which is vacuumized and sealed, and as shown in figure 1, the panel comprises an inner barrier layer 1, an outer barrier layer 2, a middle core material 3, an adsorbent 4, openings 5 and a sealing film 6;
the inner barrier layer 1 and the outer barrier layer 2 are mutually sealed and compounded at the end face of the opening of the middle core material 3. The opening 5 is a circular opening at the bottom of the outer barrier layer 2. And the sealing film 6 is used for vacuumizing the inner space of the vacuum insulation panel, and after the vacuum degree meets the requirement, the opening 5 is sealed by the sealing film 6. As a simple alternative to this embodiment, the openings 5 may also be provided in the inner barrier layer 1.
The inner barrier layer 1 is an aluminum-plastic film or a metal material, and the outer barrier layer 2 is an aluminum-plastic film. The inner and outer barrier layers are glued and sealed at the opening. The middle core materials 3 are glass fiber core materials, and an adsorbent 4 capable of adsorbing air and moisture is arranged between the middle core materials.
The bottom center of outer barrier layer 2 has circular trompil 5, and the trompil diameter is 10 ~ 200 mm. As a simple alternative to this embodiment, the opening 5 may also be located elsewhere in the outer barrier layer 2, and the opening 5 may also be of any other shape.
And the sealing film 6 is used for sealing the open hole 5 after the vacuum pumping of the inside of the 3D vacuum insulation panel is finished, and simultaneously keeping the vacuum inside the 3D vacuum insulation panel.
A closed space is formed among the outer barrier layer 2, the inner barrier layer 1 and the sealing film 6, and the middle core material 3 is filled in the space and vacuumized to form a closed vacuum heat insulation layer.
In this embodiment, the perforated vacuum-sealed 3D vacuum insulation panel is specifically applied to a liner of a cold chain incubator; besides being an inner container of the heat preservation box, the design is also suitable for various heat preservation devices, such as a refrigerator, a vacuum heat preservation barrel, a vacuum heat preservation kettle, heat preservation equipment and the like.
The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.

Claims (8)

1. The 3D vacuum heat insulation plate with the holes for vacuumizing and sealing is characterized by comprising an accommodating cavity and an opening, wherein the 3D vacuum heat insulation plate specifically comprises an inner barrier layer, an outer barrier layer, a middle core material, an adsorbent, the holes and a sealing film;
the inner barrier layer and the outer barrier layer are respectively positioned on the inner side and the outer side of the middle core material, and are mutually sealed and compounded on the opening end surface of the middle core material to form a cavity filled with the core material; the inner barrier layer or the outer barrier layer is provided with an opening communicated with the cavity and used for vacuumizing the middle core material, and the opening is sealed through a sealing film after vacuumizing.
2. The perforated vacuum-sealed 3D vacuum insulation panel according to claim 1, wherein the inner barrier layer is made of aluminum plastic film or metal, and is heat-sealed or adhesively-sealed to the outer barrier layer at the open end of the middle core material.
3. The perforated vacuum-sealed 3D vacuum insulation panel according to claim 1, wherein the outer barrier layer is made of aluminum plastic film or metal, and the opening end surface of the middle core material is heat-sealed or adhesively sealed with the inner barrier layer.
4. The perforated vacuum-sealed 3D vacuum insulation panel according to claim 1, wherein the intermediate core material is air silicon or fiberglass.
5. The perforated vacuum-sealed 3D vacuum insulation panel according to claim 1, wherein the perforations are circular holes having a diameter of 10-200 mm.
6. The perforated vacuum-sealed 3D vacuum insulation panel of claim 1, wherein the sealing membrane is not smaller than the size of the opening.
7. The open-celled evacuated 3D vacuum insulation panel of claim 1 wherein the outer barrier layer, the inner barrier layer and the sealing film form an enclosed cavity therebetween, and the intermediate core material fills the space and is evacuated.
8. An insulated container characterized by using the 3D vacuum insulation panel for an open-pored vacuum seal according to any one of claims 1 to 7.
CN202011560289.4A 2020-12-25 2020-12-25 3D vacuum insulation panel and heat preservation container with openings for vacuumizing and sealing Pending CN112743916A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011560289.4A CN112743916A (en) 2020-12-25 2020-12-25 3D vacuum insulation panel and heat preservation container with openings for vacuumizing and sealing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011560289.4A CN112743916A (en) 2020-12-25 2020-12-25 3D vacuum insulation panel and heat preservation container with openings for vacuumizing and sealing

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CN112743916A true CN112743916A (en) 2021-05-04

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006029448A (en) * 2004-07-15 2006-02-02 Toshiba Corp Vacuum heat insulating panel, and refrigerator using the same
CN102102796A (en) * 2010-03-12 2011-06-22 福建赛特新材股份有限公司 Vacuum insulation panel and manufacturing method thereof
CN104373763A (en) * 2013-08-12 2015-02-25 苏州维艾普新材料股份有限公司 Vacuum insulation panel produced from core material of porous structure and production method of vacuum insulation panel
CN104586188A (en) * 2014-12-23 2015-05-06 台州市泰澄电子科技有限公司 Vacuum pumping structure of metal vacuum cup
CN104712899A (en) * 2013-12-13 2015-06-17 南京航空航天大学 Vacuum insulation panel heat insulated cryogenic liquid storage and transport tank
CN105796280A (en) * 2014-12-30 2016-07-27 陈使莹 Bone ash pot vacuumizing method
CN107380742A (en) * 2017-07-31 2017-11-24 白明军 A kind of vacuum utensil structure of the outer titanium of interior titanium
CN112092463A (en) * 2020-08-21 2020-12-18 福建赛特冷链科技有限公司 Square vacuum insulation panels of 3D and heat preservation container

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006029448A (en) * 2004-07-15 2006-02-02 Toshiba Corp Vacuum heat insulating panel, and refrigerator using the same
CN102102796A (en) * 2010-03-12 2011-06-22 福建赛特新材股份有限公司 Vacuum insulation panel and manufacturing method thereof
CN104373763A (en) * 2013-08-12 2015-02-25 苏州维艾普新材料股份有限公司 Vacuum insulation panel produced from core material of porous structure and production method of vacuum insulation panel
CN104712899A (en) * 2013-12-13 2015-06-17 南京航空航天大学 Vacuum insulation panel heat insulated cryogenic liquid storage and transport tank
CN104586188A (en) * 2014-12-23 2015-05-06 台州市泰澄电子科技有限公司 Vacuum pumping structure of metal vacuum cup
CN105796280A (en) * 2014-12-30 2016-07-27 陈使莹 Bone ash pot vacuumizing method
CN107380742A (en) * 2017-07-31 2017-11-24 白明军 A kind of vacuum utensil structure of the outer titanium of interior titanium
CN112092463A (en) * 2020-08-21 2020-12-18 福建赛特冷链科技有限公司 Square vacuum insulation panels of 3D and heat preservation container

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Application publication date: 20210504

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