CN218660759U - Heat insulation pad packaged by wrapping edge - Google Patents

Heat insulation pad packaged by wrapping edge Download PDF

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Publication number
CN218660759U
CN218660759U CN202221253793.4U CN202221253793U CN218660759U CN 218660759 U CN218660759 U CN 218660759U CN 202221253793 U CN202221253793 U CN 202221253793U CN 218660759 U CN218660759 U CN 218660759U
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China
Prior art keywords
heat insulation
core material
insulation core
film
wrapping
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CN202221253793.4U
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Chinese (zh)
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罗肖宁
刘佩佩
杨浩
常稳
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Henan Aibiaihe New Material Co ltd
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Henan Aibiaihe New Material Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model discloses a heat insulation pad with wrapped edges, which comprises a heat insulation core material, a wrapping film and a wrapped edge film, wherein the wrapping film is matched with the wrapped edge film to encapsulate the heat insulation core material; the upper surface, the lower surface and the two side surfaces of the heat insulation core material are wrapped by wrapping films, and the wrapping films form edge sealing on the upper surface or the lower surface of the heat insulation core material; and the other two side surfaces of the heat insulation core material are respectively sealed by using edge covering films. The utility model provides a heat insulating mattress edge does not have the banding layer, avoids the heat bridge, when not increasing the heat insulating mattress size, realizes the area of the thermal-insulated core of increase, makes the effective heat insulation area increase between new forms of energy power battery electricity core, makes new forms of energy power battery safer. And the wrapping film are matched for packaging, so that powder leakage at four corners of the heat insulation pad can be avoided, vacuum packaging can be realized, the packaging process is simple, and the production is convenient.

Description

Heat insulation pad packaged by wrapping edge
Technical Field
The utility model belongs to the technical field of heat preservation and insulation material, especially relate to a heat insulating mattress of encapsulation of borduring that new forms of energy power battery used.
Background
When the new energy battery is subjected to impact, needle stick, or internal short circuit of the battery, etc., heat may be increased sharply, thereby causing thermal runaway. In order to delay the transmission of heat and flame during thermal runaway and win valuable time for passengers to escape, heat insulation materials are often used between the cells.
The common thermal insulation material between the electric cores is a fiber felt, an aerogel fiber felt and the like, the problems of powder falling and fiber falling exist, a common membrane material packaging mode has a certain edge sealing width, a thermal bridge is formed, the area of a thermal insulation core material cannot be maximized, and the thermal insulation effect is weakened.
SUMMERY OF THE UTILITY MODEL
To the thermal insulation material of the encapsulation of the common membrane material packaging mode of adoption that describes among the above-mentioned prior art, there is the banding width at the edge, the technical problem of the unable maximize of existence easy formation heat bridge and thermal-insulated core area of banding, the utility model provides a thermal-insulated pad of encapsulation of borduring.
For solving the technical problem, the utility model discloses the technical scheme who adopts does:
a heat insulation pad with packaged edge comprises a heat insulation core material, a wrapping film and an edge wrapping film, wherein the wrapping film and the edge wrapping film are matched to package the heat insulation core material; the upper surface, the lower surface and two side surfaces of the heat insulation core material are wrapped by wrapping films, and the wrapping films form edge sealing on the upper surface or the lower surface of the heat insulation core material; and the other two side surfaces of the heat insulation core material are respectively sealed by using edge covering films. The wrapping film wraps the upper surface and the lower surface of the heat insulation core material and the two side surfaces of the heat insulation core material once, and is tightly attached, the formed edge sealing is arranged on the upper surface or the lower surface of the heat insulation core material, the side surface of the heat insulation core material is not provided with the protruding edge sealing, the generation of a heat bridge is avoided, the edge sealing film is used for edge sealing on the side surface of the wrapping film which is not wrapped, the side surface is not provided with the protruding edge sealing, and the wrapping film or the edge sealing film is tightly attached to the heat insulation core material, so that the area of the heat insulation core material can be maximized.
And the wrapping film is at least one layer, the edge wrapping film is at least one layer, and the number of specifically used layers is set according to actual requirements.
As a preferable aspect of the present invention, the wrap film wraps the upper surface, the lower surface, and the two opposite side surfaces of the heat insulating core material. The upper surface, the lower surface and two opposite side surfaces of the insulation core are wrapped with a sheet-structured wrapping film.
As a preferred scheme of the utility model, the wrapping film wrapped on the heat insulation core material does not exceed the heat insulation core material in the length direction of the heat insulation core material; or the wrapping film wrapped on the heat insulation core material does not exceed the heat insulation core material in the width direction of the heat insulation core material. Because the two side surfaces corresponding to the long sides of the heat insulation core material can be wrapped during wrapping, and the two side surfaces corresponding to the short sides of the heat insulation core material can also be wrapped, when the side surfaces corresponding to the long sides are wrapped, the length of the wrapping film wrapping the heat insulation core material on each wrapped surface is not more than that of the heat insulation core material; namely, on the two side surfaces corresponding to the long sides, the length of the wrapping film does not exceed the length of the side surfaces; the length of the wrapping film on the upper surface and the lower surface does not exceed the length of the upper surface and the lower surface; when the side surface corresponding to the short side is wrapped, the wrapping film wrapping the heat insulation core material does not exceed the heat insulation core material in the width direction of the heat insulation core material.
As a preferred scheme of the utility model, the thickness of the wrapping film is 0.001-1mm; the thickness of the edge covering film is 0.001-1mm.
As a preferred scheme of the utility model, the wrapping film is at least one of a polymer material layer, an inorganic fiber cloth, a metal foil, an inorganic fiber cloth and polymer material composite layer, and a metal foil and polymer material composite layer; the edge covering film is at least one of a polymer material layer, inorganic fiber cloth, a metal foil, an inorganic fiber cloth and polymer material composite layer and a metal foil and polymer material composite layer.
As a preferred scheme of the utility model, the width of borduring membrane is greater than the width of thermal-insulated core side surface, and the length of borduring membrane is greater than the length of thermal-insulated core side surface. The edge covering film with the structure can completely seal the side surface of the heat insulation core material, and powder leakage is avoided.
As a preferable aspect of the present invention, the edge-covering film includes a side surface attaching portion, a surface attaching portion, an adjacent side surface attaching portion, and a lamination attaching portion; the side surface attaching parts are attached to the side surfaces of the heat insulation core material, and the surface attaching parts are respectively attached to the upper surface and the lower surface of the heat insulation core material; the adjacent side surface attaching part is attached to the side surface of the heat insulation core material adjacent to the side surface attaching part; the laminated bonding portion is bonded to the surface bonding portion.
As a preferable scheme of the present invention, a portion of the binding film that is attached to the side surface of the heat insulation core material serves as a side surface attaching portion, a portion of the binding film that exceeds the side surface of the heat insulation core material in the width direction serves as a surface attaching portion, and the surface attaching portions are attached to the upper surface and the lower surface of the heat insulation core material; the part of the edge covering film exceeding the side surface of the heat insulation core material in the length direction is used as an adjacent side surface part; and the part of the adjacent side surface part, which is folded and attached to the adjacent side surface of the heat insulation core material, is used as an adjacent side surface attaching part, the part of the adjacent side surface part, which exceeds the adjacent side surface, is folded at least once and is used as a laminated attaching part, and the laminated attaching part is attached to the surface attaching part.
As a preferred embodiment of the present invention, the part of the adjacent side surface part exceeding the adjacent side surface is folded at least twice to serve as the laminated joint part.
As an optimal scheme of the utility model, thermal-insulated core is at least one of fibrofelt, aerogel load fibrofelt, bubble cotton, aerogel load bubble cotton, light-screening agent load fibrofelt, aerogel piece, the fashioned body of aerogel powder, the fashioned body of aerogel granule.
Compared with the prior art, the utility model discloses following beneficial effect has:
the application has the advantages that the side surface of the heat insulation pad is not provided with the protruding edge sealing layer, a heat bridge is avoided, the size of the heat insulation pad is not increased, the area of the heat insulation core material is increased, the effective heat insulation area between the electric cores of the new energy power battery is increased, and the new energy power battery is safer. And the wrapping film are matched for packaging, so that powder leakage at four corners of the heat insulation pad can be avoided, vacuum packaging can be realized, the packaging process is simple, and the production is convenient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of the present invention.
Fig. 2 is a right side view of the present invention.
Fig. 3 is a schematic structural view of the heat insulation core material packaged by the wrapping film.
Fig. 4 is a front view of the edge-covering film folded toward the upper and lower surfaces of the heat insulating core after the heat insulating core is encapsulated by the wrapping film.
FIG. 5 is a right side view of the edge-covering film folded over the insulating core material encapsulated with the wrapping film toward the upper and lower surfaces of the insulating core material.
Fig. 6 is a front view of the folded portion of the edge-covering film.
Fig. 7 is a folded right side view of the laminated and bonded portion of the edge-covering film.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
Example (b):
a heat insulating pad with a wrapped edge is disclosed, as shown in figures 1 and 2, and comprises a heat insulating core material 1, a wrapping film 2 and a wrapping film 3, wherein the wrapping film and the wrapping film are matched to enclose the heat insulating core material. The thickness of the wrapping film is 0.001-1mm; the thickness of the edge covering film is 0.001-1mm. The used wrapping film is at least one layer, the specific number of layers is set according to actual requirements, and the used edge wrapping film is also set into at least one layer according to actual requirements.
The used wrapping film and the used wrapping film can be made of the same material or different materials and are at least one of a polymer material layer, inorganic fiber cloth, a metal foil, a composite layer of the inorganic fiber cloth and the polymer material and a composite layer of the metal foil and the polymer material; preferably, a PET film, a PI film, a PU film, a PE film, a PP film, a fiberglass cloth, an aluminum foil composite cloth, etc. are used, and for the purpose of adhesion, an adhesive layer is coated on the surfaces of the wrapping film and the edge wrapping film, and certainly, the wrapping film and the edge wrapping film can be adhered by means of dispensing, spraying adhesive, adhering double-sided adhesive, etc.
The used heat insulation core material is at least one of a fiber felt, an aerogel-loaded fiber felt, foam, an aerogel-loaded foam, an opacifier-loaded fiber felt, an aerogel sheet, a blank formed by aerogel powder and a blank formed by aerogel particles. Aerogel-loaded fiber mats are preferably used.
The upper surface, the lower surface and the two opposite side surfaces of the heat insulation core material are wrapped by a wrapping film 2, a sealing edge 4 is formed on the upper surface or the lower surface of the heat insulation core material by the wrapping film, and the wrapping film does not exceed the heat insulation core material in the length direction or the width direction of the heat insulation core material after wrapping the heat insulation core material by the wrapping film, specifically, the side surfaces wrapped by the wrapping film are the side surfaces corresponding to the long edges or the short edges of the heat insulation core material; and the other two opposite side surfaces of the heat insulation core material are respectively sealed by using edge covering films 3.
The wrapping film wraps the upper surface and the lower surface of the heat insulation core material and the two side surfaces once, and is tightly attached, the formed edge sealing is arranged on the upper surface or the lower surface of the heat insulation core material, the side surfaces are not provided with the edge sealing, the generation of a heat bridge is avoided, the edge sealing film is used for edge sealing on the side surfaces of the wrapping film without wrapping, the side surfaces are not provided with the protruding edge sealing, and the wrapping film or the edge sealing film is tightly attached to the heat insulation core material, so that the area of the heat insulation core material can be maximized.
And the width of the edge-covering film 3 is greater than the width of the side surface of the heat insulation core material 1, and the length of the edge-covering film is greater than the length of the side surface of the heat insulation core material. The edge covering film with the structure can completely seal the side surface of the heat insulation core material, and powder leakage is avoided.
As can be seen from fig. 1 and 2, the edge-wrapping film 3 includes a side surface attaching portion 31, a surface attaching portion 32, an adjacent side surface attaching portion 33, and a laminate attaching portion 34; the side surface attaching parts are attached to the side surfaces of the heat insulation core material, and the surface attaching parts are respectively attached to the upper surface and the lower surface of the heat insulation core material; the adjacent side surface attaching part is attached to the side surface of the heat insulation core material adjacent to the side surface attaching part; the laminated bonding portion is bonded to the surface bonding portion.
Specifically, a portion of the binder film 3 bonded to the side surface of the heat insulating core material 1 is a side surface bonded portion 31, a portion of the binder film 3 exceeding the side surface of the heat insulating core material 1 in the width direction is a surface bonded portion 32, and the surface bonded portions 32 are bonded to the upper surface and the lower surface of the heat insulating core material 1; the portion of the binder film 3 exceeding the side surface of the heat insulating core material 1 in the longitudinal direction is defined as an adjacent side surface portion; the adjacent side surface portion is folded and attached to the adjacent side surface of the insulation core material as an adjacent side surface attachment portion 33, the adjacent side surface portion is folded at least once beyond the adjacent side surface as a stack attachment portion 34, and the stack attachment portion 34 is attached to the surface attachment portion.
In this embodiment, the portions of the adjacent side surfaces that exceed the adjacent side surfaces are folded in a triangular shape toward the upper and lower surfaces of the heat insulation core material to form a double-layer structure, and then folded toward and attached to the upper and lower surfaces of the heat insulation core material.
The packaging process of the heat insulation core material by the wrapping film and the edge covering film is as follows:
step 1: the upper surface, the lower surface, the side surface I11 and the side surface II12 of the heat insulation core material 1 are wrapped by wrapping films 2, and sealing edges 4 are formed on the upper surface or the lower surface, wherein the sealing edges 4 can be formed by attaching or laminating two end edges of the wrapping films, and the upper surface, the lower surface and 2 side surfaces of the heat insulation core material are packaged by the wrapping films as shown in figure 3.
In this embodiment, the side surfaces I11 and II12 are the side surfaces corresponding to the long sides of the heat insulation core material 1, and after wrapping and packaging, the length of the wrapping film in the length direction of the heat insulation core material does not exceed the length of the heat insulation core material, as shown in fig. 3, the length of the wrapping film 2 on the side surfaces I11, II12, the upper surface and the lower surface does not exceed the length of the heat insulation core material, and preferably the length of the wrapping film is equal to the length of the heat insulation core material.
It is of course also possible to wrap the side surfaces of the insulation core 1 corresponding to the short sides, in which case the wrapping film wrapped around the insulation core does not extend beyond the insulation core in the width direction of the insulation core. On the side surface, the length of the side surface is the width of the insulation core material, the width of the side surface is the thickness of the insulation core material, so the width of the wrapping film does not exceed the width of the insulation core material, the length of the upper surface and the lower surface is the length of the insulation core material on the upper surface and the lower surface, and the width of the upper surface and the lower surface is the length of the insulation core material, so the width of the wrapping film still does not exceed the width of the insulation core material.
Step 2: side surfaces III13 and IV14 of the heat insulating core material 1 are edge-sealed with the edge-sealing film 3.
The method comprises the following specific steps:
a. respectively attaching the edge covering films 3 to the side surface III13 and the side surface IV14, and folding and attaching the edge covering films 3 which exceed the side surface III13 to the upper surface and the lower surface of the heat insulation core material 1; the covering films 3 extending beyond the width direction of the side surface IV14 are folded and adhered to the upper and lower surfaces of the heat insulating core material 1, as shown in fig. 4 and 5;
b. folding and adhering the edge-covering film 3 which exceeds the length direction of the side surface III13 to a side surface I11 and a side surface II12 which are vertical to the side surface III13, wherein the part which exceeds the side surface I11 and the side surface II12 after adhering is in a quadrilateral shape, and folding towards the side surface I11 and the side surface II12 to form a multilayer film structure 5, as shown in figures 6 and 7;
the edge-covering film 3 which exceeds the length direction of the side surface IV14 is also folded and adhered to the side surface I11 and the side surface II12 which are perpendicular to the side surface IV14, and the parts which exceed the side surface I11 and the side surface II12 after adhesion are quadrangular, and then folded towards the side surface I11 and the side surface II12 to form the multilayer film structure 5, as shown in fig. 6 and 7;
c. the multilayer film structure 5 is folded and adhered to the upper and lower surfaces, respectively, as shown in fig. 1 and 2.
And during specific packaging, the sequence of the step a and the step b can be interchanged. And the sequence of the step 1 and the step 2 can be interchanged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides a thermal-insulated pad of borduring encapsulation which characterized in that: the packaging film is matched with the edge covering film to package the heat insulation core material; the upper surface, the lower surface and the two side surfaces of the heat insulation core material are wrapped by wrapping films, and the wrapping films form edge sealing on the upper surface or the lower surface of the heat insulation core material; and the other two side surfaces of the heat insulation core material are respectively sealed by using edge covering films.
2. A hemmed heat insulating mat according to claim 1, wherein: the wrapping film wraps the upper surface, the lower surface and two opposite side surfaces of the insulating core material.
3. A hemmed insulating mat according to claim 1 or 2, wherein: the wrapping film wrapped on the heat insulation core material does not exceed the heat insulation core material in the length direction of the heat insulation core material; or the wrapping film wrapped on the heat insulation core material does not exceed the heat insulation core material in the width direction of the heat insulation core material.
4. A hemmed heat insulating mat according to claim 3, wherein: the thickness of the wrapping film is 0.001-1mm; the thickness of the edge covering film is 0.001-1mm.
5. A hemmed heat insulating mat according to claim 4, wherein: the wrapping film is a high polymer material layer or inorganic fiber cloth or metal foil; the edge covering film is a high polymer material layer or inorganic fiber cloth or metal foil.
6. A hemmed heat insulating mat according to claim 3, wherein: the width of the edge covering film is larger than that of the side surface of the heat insulation core material, and the length of the edge covering film is larger than that of the side surface of the heat insulation core material.
7. A hemmed heat insulating mat according to claim 6, wherein: the edge covering film comprises a side surface attaching part, a surface attaching part, an adjacent side surface attaching part and a laminating attaching part; the side surface attaching parts are attached to the side surfaces of the heat insulation core material, and the surface attaching parts are respectively attached to the upper surface and the lower surface of the heat insulation core material; the adjacent side surface attaching part is attached to the side surface of the heat insulation core material adjacent to the side surface attaching part; the laminated bonding portion is bonded to the surface bonding portion.
8. A hemmed heat insulation pad according to claim 6, wherein: the part of the edge covering film, which is attached to the side surface of the heat insulation core material, is used as a side surface attaching part, the part of the edge covering film, which exceeds the side surface of the heat insulation core material in the width direction, is used as a surface attaching part, and the surface attaching parts are attached to the upper surface and the lower surface of the heat insulation core material; the part of the edge covering film exceeding the side surface of the heat insulation core material in the length direction is used as an adjacent side surface part; and the part of the adjacent side surface part, which is folded and attached to the adjacent side surface of the heat insulation core material, is used as an adjacent side surface attaching part, the part of the adjacent side surface part, which exceeds the adjacent side surface, is folded at least once and is used as a laminated attaching part, and the laminated attaching part is attached to the surface attaching part.
9. A hemmed heat insulating mat according to claim 8, wherein: the part of the adjacent side surface part exceeding the adjacent side surface is folded at least twice to be used as the lamination attaching part.
10. A hemmed heat insulating mat according to claim 1, wherein: the heat insulation core material is a fiber felt, an aerogel-loaded fiber felt, a foam, an aerogel-loaded foam, an opacifier-loaded fiber felt, an aerogel sheet, an aerogel powder-molded blank or an aerogel particle-molded blank.
CN202221253793.4U 2022-05-24 2022-05-24 Heat insulation pad packaged by wrapping edge Active CN218660759U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221253793.4U CN218660759U (en) 2022-05-24 2022-05-24 Heat insulation pad packaged by wrapping edge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221253793.4U CN218660759U (en) 2022-05-24 2022-05-24 Heat insulation pad packaged by wrapping edge

Publications (1)

Publication Number Publication Date
CN218660759U true CN218660759U (en) 2023-03-21

Family

ID=85534393

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221253793.4U Active CN218660759U (en) 2022-05-24 2022-05-24 Heat insulation pad packaged by wrapping edge

Country Status (1)

Country Link
CN (1) CN218660759U (en)

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