CN211251570U

CN211251570U - Vacuum heat-insulating material of low-heat-bridge heat-insulating core material

Info

Publication number: CN211251570U
Application number: CN201921158469.2U
Authority: CN
Inventors: 李焕勇; 马汝军
Original assignee: Insolaxin Suzhou New Material Technology Co ltd
Current assignee: Insolaxin Suzhou New Material Technology Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-08-14
Anticipated expiration: 2029-07-23

Abstract

The utility model provides a vacuum heat-insulating material of a low heat bridge heat-insulating core material, which comprises an innermost layer, a middle layer and an outermost layer; wherein the innermost layer is made of a heat insulation material, the middle layer is a vacuum heat insulation plate with a groove, and the outermost layer is made of a stainless steel film material; the innermost layer is filled in the groove, the heat-insulating material is any one of foaming material, glass fiber cotton felt, rock wool and asbestos, and the heat-insulating material is vacuum-packaged in the film material; a nano silicon dioxide flame-retardant film layer is arranged between the outermost layer and the middle layer. The innermost layer is wrapped in the middle layer, so that the effect of isolating the outside air is effectively achieved, and the production cost is reduced; meanwhile, the stainless steel layer is arranged on the outermost layer, and the effect of protecting the vacuum insulation panel in the middle layer is achieved.

Description

Vacuum heat-insulating material of low-heat-bridge heat-insulating core material

Technical Field

The utility model belongs to the heat preservation field relates to a vacuum insulation material of low heat bridge heat preservation core.

Background

Heat insulation and preservation of buildings are important aspects of energy conservation, improvement of living environment and use functions. At present, the vacuum insulation panel has absolute advantages in the field, but the core material of the conventional vacuum insulation panel is mainly a single core material, namely only a whole core material, such as a powder core material, a microporous polyurethane core material, a glass fiber core material and the like, and the core material has good heat insulation performance. However, the single-layer core material has limitations, if two different core materials are fitted together, the effect of overlapping the heat insulation performance can be achieved, the service life of the vacuum heat insulation plate can be effectively prolonged, and the technical problems that the production cost of the vacuum heat insulation plate is high and a surface coating material is easy to break can be solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems of high production cost, easy breakage of a surface coating material and the like of the vacuum heat-insulating material in the prior art, the utility model provides a vacuum heat-insulating material of a low heat bridge heat-insulating core material, which comprises an innermost layer, a middle layer and an outermost layer; wherein the innermost layer is made of a heat insulation material, the middle layer is a vacuum heat insulation plate with a groove, and the outermost layer is made of a stainless steel film material; the innermost layer is filled in the groove, the heat-insulating material is any one of foaming material, glass fiber cotton felt, rock wool and asbestos, and the heat-insulating material is vacuum-packaged in the film material; a nano silicon dioxide flame-retardant film layer is arranged between the outermost layer and the middle layer.

As an improvement, the groove of the middle layer completely wraps the innermost layer, the whole innermost layer is of a square or round structure, and the whole outer structure of the middle layer is of a square or irregular structure; each surface of the groove is provided with a gap of 0.5-4cm from the adjacent surface of the innermost layer, and the gap is communicated to form a cavity.

As an improvement, an injection molding hole is formed in the position where the cavity is in contact with the middle layer and is used for filling foaming materials into the gap cavity.

As an improvement, the foaming material is any one of polyurethane, polyethylene and polystyrene.

As an improvement, the vacuum insulation panel of the intermediate layer comprises a core material and an outer covering film material, wherein the core material is doped with aerogel and nano silicon dioxide particles.

As an improvement, the thickness of the nano silicon dioxide flame-retardant film layer is 10-100 μm.

As an improvement, the film material is formed by compounding a polyethylene film layer, a polypropylene layer, a polyester aluminized film layer and a polyethylene layer composite film layer from inside to outside in sequence through a binder.

Has the advantages that: the vacuum heat-insulating material of the low heat bridge heat-insulating core material provided by the utility model effectively plays a role of isolating the outside air and reduces the production cost by wrapping the innermost layer in the middle layer; meanwhile, the stainless steel layer is arranged on the outermost layer, and the effect of protecting the vacuum insulation panel in the middle layer is achieved.

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 structural view of the vacuum insulation material of the present invention.

In the drawings: 1. an innermost layer; 2. an intermediate layer; 3. an outermost layer; 4. a groove; 5. a nano silicon dioxide flame-retardant film layer; 6. a cavity.

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.

A vacuum heat-insulating material of a low-heat-bridge heat-insulating core material comprises an innermost layer 1, an intermediate layer 2 and an outermost layer 3; wherein, the innermost layer 1 is a heat insulation material, the middle layer 2 is a vacuum heat insulation plate provided with a groove 4, and the outermost layer 3 is a stainless steel film material; the innermost layer 1 is filled in the groove 4, the heat-insulating material is any one of foaming material, glass fiber cotton felt, rock wool and asbestos, and the heat-insulating material is vacuum-packaged in the membrane material; a nano silicon dioxide flame-retardant film layer 5 is arranged between the outermost layer 3 and the middle layer 2.

The groove 4 of the middle layer 2 completely wraps the innermost layer 1, the whole innermost layer 1 is of a square or round structure, and the whole external structure of the middle layer 2 is of a square or irregular structure; each surface of the groove 4 is provided with a gap of 0.5-4cm from the adjacent surface of the innermost layer, and the gap is communicated to form a cavity 6.

Preferably, the innermost layer 1 is of a square structure as a whole, the grooves 4 of the middle layer 2 of the outer layer are of a square structure matched with the inner layer, and the shape of the innermost layer 1 is not limited to the square and round structures, and can be of other regular and irregular shape structures.

And injection molding holes are formed in the positions where the cavity 6 is contacted with the middle layer 2 and used for filling foaming materials into the gap cavity 6. The foaming material is any one of polyurethane, polyethylene and polystyrene, so that the cost is reduced, and the heat insulation performance is not reduced. The vacuum insulation panel of the intermediate layer 2 comprises a core material and an outer coating material, wherein the core material is doped with aerogel and nano silicon dioxide particles. The thickness of the nano silicon dioxide flame-retardant film layer 5 is 10-100 μm. The film material is formed by sequentially compounding a polyethylene film layer, a polypropylene layer, a polyester aluminized film layer and a polyethylene layer composite film layer from inside to outside through a binder.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A vacuum heat insulating material of a low thermal bridge heat insulation core material is characterized in that: comprises an innermost layer (1), an intermediate layer (2) and an outermost layer (3); wherein the innermost layer (1) is a heat insulation material, the intermediate layer (2) is a vacuum heat insulation plate provided with a groove (4), and the outermost layer (3) is a stainless steel film material; the innermost layer (1) is filled in the groove (4), the heat-insulating material is any one of a foaming material, a glass fiber cotton felt, rock wool and asbestos, and the heat-insulating material is vacuum-packaged in the film material; a nano silicon dioxide flame-retardant film layer (5) is arranged between the outermost layer (3) and the middle layer (2).

2. The vacuum insulation material of a low heat bridge insulation core material according to claim 1, characterized in that: the groove (4) of the middle layer (2) completely wraps the innermost layer (1), the whole innermost layer (1) is of a square or round structure, and the whole external structure of the middle layer (2) is of a square or irregular structure; each surface of the groove (4) is provided with a gap of 0.5-4cm from the adjacent surface of the innermost layer, and the gap is communicated to form a cavity (6).

3. The vacuum insulation material of a low heat bridge insulation core material according to claim 2, characterized in that: and an injection molding hole is formed in the position where the cavity (6) is in contact with the middle layer and is used for filling the foaming material in the gap cavity (6).

4. The vacuum insulation material of a low heat bridge insulation core material according to claim 1 or 3, characterized in that: the foaming material is any one of polyurethane, polyethylene and polystyrene.

5. The vacuum insulation material of a low heat bridge insulation core material according to claim 1, characterized in that: the vacuum insulation panel of the intermediate layer (2) comprises a core material and an outer coating material, wherein the core material is doped with aerogel and nano silicon dioxide particles.

6. The vacuum insulation material of a low heat bridge insulation core material according to claim 1, characterized in that: the thickness of the nano silicon dioxide flame-retardant film layer (5) is 10-100 mu m.

7. The vacuum insulation material of a low heat bridge insulation core material according to claim 1, characterized in that: the film material is formed by sequentially compounding a polyethylene film layer, a polypropylene layer, a polyester aluminized film layer and a polyethylene layer composite film layer from inside to outside through a binder.