CN214419842U - Barrier film for vacuum insulation panel and vacuum insulation panel - Google Patents
Barrier film for vacuum insulation panel and vacuum insulation panel Download PDFInfo
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- CN214419842U CN214419842U CN202023158611.9U CN202023158611U CN214419842U CN 214419842 U CN214419842 U CN 214419842U CN 202023158611 U CN202023158611 U CN 202023158611U CN 214419842 U CN214419842 U CN 214419842U
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Abstract
The utility model relates to a barrier film and vacuum insulation panels for vacuum insulation panels. Wherein, barrier film for vacuum insulation panel is including the fine cloth of polyethylene layer, nylon layer, aluminium foil layer, polyester layer and glass that set gradually, the fine cloth of glass is continuous arch, all be equipped with many strengthening ribs in every arch of the fine cloth of glass, the strengthening rib is the cylinder. The utility model discloses can improve barrier film's toughness and impact resistance.
Description
Technical Field
The utility model relates to a vacuum insulation panels technical field especially relates to a barrier film and vacuum insulation panels for vacuum insulation panels.
Background
A Vacuum Insulated Panel (VIP) is one of vacuum insulation materials. The VIP is formed by compounding the filling core material and the protective surface layer through vacuum packaging equipment, so that heat transfer caused by air convection is effectively avoided, the heat conductivity coefficient of the VIP is greatly reduced and is even less than 0.002W/(m.K), the VIP does not contain any ODS material, and the VIP has the characteristics of environmental protection, high efficiency and energy saving. Is the most advanced high-efficiency heat-insulating material in the world at present. VIP is widely used in refrigeration, freezing and heat preservation industries.
The VIP packaging film is formed by compounding 5-7 layers of thin films, wherein 5 layers are commonly used, and Polyethylene (PE), nylon (PA), aluminum foil, Polyester (PET) and glass fiber cloth are respectively arranged from inside to outside. PE has good heat sealing function; PA blocks oxygen, and the impact resistance of the film is improved; the aluminum foil has the functions of preventing oxygen, nitrogen, water vapor and the like from permeating people, shading light and preventing ultraviolet irradiation; PET also prevents external gas from permeating and provides mechanical properties in extreme environments; the glass fiber cloth has the functions of flame retardance, puncture resistance and maintenance and transportation safety.
Although the existing glass fiber cloth can solve the problems of scratch resistance, puncture resistance and flame retardance of the conventional vacuum insulation panel composite film, the glass fiber cloth has poor toughness and can be cracked under strong impact. Therefore, how to solve the above problems is one of the currently important research topics.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing a barrier film and vacuum insulation panels for vacuum insulation panels, the utility model discloses can improve the toughness and the shock resistance of barrier film.
The utility model provides a barrier film for vacuum insulation panels, including the fine cloth of polyethylene layer, nylon layer, aluminium foil layer, polyester layer and the glass that sets gradually, the fine cloth of glass is continuous arch, all be equipped with many strengthening ribs in every arch of the fine cloth of glass, the strengthening rib is the cylinder.
Furthermore, three reinforcing ribs are arranged in each arch.
Furthermore, three reinforcing ribs in each arch form a pyramid structure.
Further, the reinforcing rib at least comprises one PVDF fiber.
Furthermore, the surface of each reinforcing rib is provided with a flame-retardant layer.
Furthermore, the glass fiber cloth is formed by transversely and longitudinally interweaving a plurality of groups of glass fiber yarns.
Further, the polyester layer is a PET layer or a PU layer.
Further, the dome shape of the glass cloth is convex toward a direction away from the polyester layer.
Furthermore, the specification of the glass fiber cloth is 50-500g/m2。
The utility model also provides a vacuum insulation panels, it has the utility model discloses an above-mentioned barrier film for vacuum insulation panels.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the utility model discloses a set up continuous arch in the fine cloth of glass of barrier film for vacuum insulation panels, utilize the arch bridge principle, the impact resistance when barrier film receives external force has been improved to the external stress of dispersion, simultaneously, sets up many strengthening ribs in the arch is inside, and columniform strengthening rib both can the dispersed stress have increased the toughness of barrier film again.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
FIG. 1 is a schematic cross-sectional view of a barrier film for a vacuum insulation panel according to the present invention;
description of reference numerals:
1-a polyethylene layer; 2-a nylon layer; 3-a layer of aluminium foil; 4-a polyester layer; 5-glass fiber cloth; 6-reinforcing ribs.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Examples
Referring to the drawings, the barrier film for a vacuum insulation panel according to a preferred embodiment of the present invention includes a polyethylene layer 1, a nylon layer 2, an aluminum foil layer 3, a polyester layer 4 and a glass fiber cloth 5, which are sequentially disposed. Wherein, the polyester layer 4 is a PET layer or a PU layer.
The specification of the glass fiber cloth 5 is 50-500g/m2. The glass fiber cloth 5 is formed by interweaving a plurality of groups of glass fiber yarns transversely and longitudinally to form a continuous arch, and the arch of the glass fiber cloth 5 protrudes towards the direction far away from the polyester layer 4. When the barrier film is subjected to an external force, the arch is firstly stressed and disperses the stress. Three reinforcing ribs 6 are arranged in each arch, and the three reinforcing ribs 6 form a pyramid structure. The pyramid-shaped structure is stable and not easy to deform under the action of external force. Each reinforcing rib 6 is a cylinder. The cylinder not only has a stable structure, but also has a good stress dispersion effect. The reinforcing ribs 6 comprise at least one PVDF fiber. The PVDF fiber is relatively tough, resistant to acid and alkali corrosion and relatively good in temperature resistance. In order to further improve the flame retardancy of the glass cloth 5, a flame retardant layer is provided on the surface of each rib 6.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The barrier film for the vacuum insulation panel is characterized in that: including the fine cloth of polyethylene layer, nylon layer, aluminium foil layer, polyester layer and the glass that set gradually, the fine cloth of glass is continuous arch, all be equipped with many strengthening ribs in every arch of the fine cloth of glass, the strengthening rib is the cylinder.
2. The barrier film for vacuum insulation panels according to claim 1, wherein: three reinforcing ribs are arranged in each arch.
3. The barrier film for vacuum insulation panels according to claim 2, wherein: three reinforcing ribs in each arch form a pyramid structure.
4. The barrier film for vacuum insulation panels according to claim 2, wherein: the reinforcing rib at least comprises one PVDF fiber.
5. The barrier film for vacuum insulation panels according to claim 1, wherein: and a flame-retardant layer is arranged on the surface of each reinforcing rib.
6. The barrier film for vacuum insulation panels according to claim 1, wherein: the glass fiber cloth is formed by transversely and longitudinally interweaving a plurality of groups of glass fiber yarns.
7. The barrier film for vacuum insulation panels according to claim 1, wherein: the polyester layer is a PET layer or a PU layer.
8. The barrier film for vacuum insulation panels according to claim 1, wherein: the arch of the fiberglass cloth is convex towards the direction far away from the polyester layer.
9. The barrier film for vacuum insulation panels according to claim 1, wherein: the specification of the glass fiber cloth is 50-500g/m2。
10. A vacuum insulation panel comprising the barrier film for vacuum insulation panel according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023158611.9U CN214419842U (en) | 2020-12-24 | 2020-12-24 | Barrier film for vacuum insulation panel and vacuum insulation panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023158611.9U CN214419842U (en) | 2020-12-24 | 2020-12-24 | Barrier film for vacuum insulation panel and vacuum insulation panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214419842U true CN214419842U (en) | 2021-10-19 |
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ID=78052772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023158611.9U Active CN214419842U (en) | 2020-12-24 | 2020-12-24 | Barrier film for vacuum insulation panel and vacuum insulation panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214419842U (en) |
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2020
- 2020-12-24 CN CN202023158611.9U patent/CN214419842U/en active Active
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