Thermal insulation silica gel foam

Abstract

The utility model belongs to the technical field of silica gel sheets, and particularly relates to heat insulation silica gel foam which comprises a foam layer, two heat insulation powder layers, two glass fiber layers and two self-adhesive layers. The heat insulation powder layers, the glass fiber layers and the self-adhesive layers are sequentially arranged and overlapped, the heat insulation powder layers, the glass fiber layers and the self-adhesive layers are arranged above and below the foam layer, and the foam layer is located between the two heat insulation powder layers. The foam layer, the heat insulation powder layer, the glass fiber layer and the self-adhesive layer are adjacent to each other and are adhered to each other, so that buffering, heat insulation and fire prevention between the battery cells on the battery module are realized through the structural arrangement of the foam layer, the heat insulation powder layer, the glass fiber layer and the self-adhesive layer.

Description

TECHNICAL FIELD

[0001] The utility model belongs to silica gel piece technical field especially relates to a heat insulation silica gel foam. BACKGROUND

[0002] The silica gel foam has the characteristics of light specific gravity, good elasticity and small high temperature permanent deformation, and has properties such as heat resistance, cold resistance, dielectricity, ozone resistance and atmospheric aging resistance, wide use temperature, and is suitable for internal shock absorption, buffering, sealing and other equipment of internal parts of automobiles, new energy batteries, aerospace, high-speed rail transit and the like;

[0003] However, ordinary silica gel foam cannot simultaneously meet the requirements of high heat insulation, wear resistance, corrosion resistance, anti-sticking, flame retardation, high temperature resistance and permanent compression deformation resistance. In the field of electronic batteries, ordinary silica gel foam cannot meet the requirements of wear resistance, scratch resistance, acid and alkali resistance and various performances, and has many limitations in practical application. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of heat insulation silica gel foam, to solve the technical problem that the heat insulation of silica gel foam in prior art is poor.

[0005] To achieve the above object, a kind of heat insulation silica gel foam provided by the utility model embodiment, including foam layer, heat insulation powder layer, glass fiber layer and self-adhesive layer, wherein the heat insulation powder layer, the glass fiber layer and the self-adhesive layer are provided with two layers, and the heat insulation powder layer, the glass fiber layer and the self-adhesive layer are sequentially arranged and overlapped, the upper and lower of the foam layer are provided with the heat insulation powder layer, the glass fiber layer and the self-adhesive layer, and the foam layer is located between two heat insulation powder layers, the foam layer, the heat insulation powder layer, the glass fiber layer and the self-adhesive layer are mutually adhered between two adjacent.

[0006] Preferably, the thickness of the foam layer is between 1mm-1.5mm.

[0007] Preferably, the thickness of the heat insulation powder layer is between 0.1mm-0.3mm.

[0008] Preferably, the thickness of the glass fiber layer is between 0.05mm-0.25mm.

[0009] Preferably, the thickness of the self-adhesive layer is between 0.16mm-1mm.

[0010] Preferably, the other side of the self-adhesive layer is provided with release paper.

[0011] Preferably, a rare earth element high-temperature-resistant layer is arranged between the self-adhesive layer and the glass fiber layer.

[0012] Preferably, the thickness of the rare earth high-temperature resistant layer is between 0.04mm and 0.3mm.

[0013] The thermal insulation silica gel foam provided by the embodiments of the present application has at least one of the following technical effects:

[0014] The thermal insulation silica gel foam in the present application is composed of a foam layer, a thermal insulation powder layer, a glass fiber layer and a self-adhesive layer, wherein the thermal insulation powder layer, the glass fiber layer and the self-adhesive layer are all provided with two layers, and the thermal insulation powder layer, the glass fiber layer and the self-adhesive layer are respectively arranged in mirror image symmetry with the foam layer as the axis, and the thermal insulation powder layer, the glass fiber layer and the self-adhesive layer are arranged in sequence and overlap, the foam layer is located between the two thermal insulation powder layers, the glass fiber layer is located between the thermal insulation powder layer and the self-adhesive layer, the foam layer, the thermal insulation powder layer, the glass fiber layer and the self-adhesive layer are mutually adhered between adjacent layers, thereby forming the thermal insulation silica gel foam in the present application, and the self-adhesive layers on the upper and lower surfaces can realize the adhesion of the thermal insulation silica gel foam in the present application to products on both surfaces, so that the thermal insulation silica gel foam in the present application can effectively realize the buffering and thermal insulation and fire prevention between the battery cells. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0016] Figure 1 The structural schematic diagram of the thermal insulation silica gel foam provided by the embodiments of the present application.

[0017] In the drawings, various reference signs represent:

[0018] 10 - foam layer 20 - thermal insulation powder layer 30 - glass fiber layer

[0019] 31 - rare earth high-temperature resistant layer 40 - self-adhesive layer. DETAILED DESCRIPTION

[0020] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the embodiments of the present application, and cannot be understood as a limitation of the present application. Figure 1

[0021] ​In the description of the embodiments of the utility model, it is understood that the directions or position relations indicated by the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are the directions or position relations shown based on the drawings, and are only for the convenience of describing the embodiments of the utility model and simplifying the description, and thus cannot be understood as indicating or implying that the devices or elements indicated must have a specific direction, be constructed and operated in a specific direction, and thus cannot be understood as limiting the utility model.

[0022] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0023] In the embodiments of the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0024] In one embodiment of the utility model, as shown in Figure 1 A kind of heat insulation silica gel foam is provided, including foam layer 10, heat insulation powder layer 20, glass fiber layer 30 and self-adhesive layer 40, wherein the heat insulation powder layer 20, the glass fiber layer 30 and the self-adhesive layer 40 are all provided with two layers, and the heat insulation powder layer 20, the glass fiber layer 30 and the self-adhesive layer 40 are sequentially arranged and overlapped, the heat insulation powder layer 20, the glass fiber layer 30 and the self-adhesive layer 40 are arranged above and below the foam layer 10, and the foam layer 10 is located between the two heat insulation powder layers 20, the foam layer 10, the heat insulation powder layer 20, the glass fiber layer 30 and the self-adhesive layer 40 are adjacent to each other and mutually adhered.

[0025] The heat insulation silica gel foam in the utility model is composed of a foam layer 10, a heat insulation powder layer 20, a glass fiber layer 30 and a self-adhesive layer 40, wherein the heat insulation powder layer 20, the glass fiber layer 30 and the self-adhesive layer 40 are all provided with two layers, and the heat insulation powder layer 20, the glass fiber layer 30 and the self-adhesive layer 40 are respectively provided with mirror image symmetry with the foam layer 10 as an axis, the heat insulation powder layer 20, the glass fiber layer 30 and the self-adhesive layer 40 are sequentially arranged and overlapped, the foam layer 10 is located between the two heat insulation powder layers 20, the glass fiber layer 30 is located between the heat insulation powder layer 20 and the self-adhesive layer 40, the foam layer 10, the heat insulation powder layer 20, the glass fiber layer 30 and the self-adhesive layer 40 are mutually adhered between two adjacent layers, thereby forming the heat insulation silica gel foam in the application, the self-adhesive layers 40 on the upper and lower surfaces can realize that both surfaces of the heat insulation silica gel foam in the application can be adhered to products, and through the above structure, the heat insulation silica gel foam in the application can effectively realize the buffering and heat insulation fireproofing between the battery cells.

[0026] In another embodiment of the utility model, the thickness of the foam layer 10 ranges between 1mm-1.5mm, wherein the thickness of the foam layer 10 can be 1mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm and 1.5mm.

[0027] In another embodiment of the utility model, the thickness of the heat insulation powder layer 20 ranges between 0.1mm-0.3mm, wherein the thickness of the heat insulation powder layer 20 can be 0.1mm, 0.2mm and 0.3mm.

[0028] In another embodiment of the utility model, the thickness of the glass fiber layer 30 ranges between 0.05mm-0.25mm, wherein the thickness of the glass fiber layer 30 can be 0.05mm, 0.1mm, 0.15mm, 0.2mm and 0.25mm.

[0029] In another embodiment of the utility model, the thickness of the self-adhesive layer 40 ranges between 0.16mm-1mm, wherein the thickness of the self-adhesive layer 40 can be 0.16mm, 0.37mm, 0.58mm, 0.79mm and 1mm.

[0030] In another embodiment of the utility model, the other side of the self-adhesive layer 40 is provided with release paper, when in use, the adhesive surface of the self-adhesive layer 40 is protected through the release paper, and the release paper can be directly torn off to be adhered to products.

[0031] In another embodiment of the utility model, a rare earth element high-temperature resistant layer 31 is arranged between the self-adhesive layer 40 and the glass fiber layer 30, thereby improving the heat insulation performance.

[0032] In another embodiment of the present application, the thickness of the rare earth element high temperature resistant layer 31 is in the range of 0.04mm to 0.3mm, wherein the thickness of the rare earth element high temperature resistant layer 31 can be 0.04mm, 0.07mm, 0.1mm, 0.15mm, 0.2mm, 0.25mm or 0.3mm.

[0033] The above merely provides the preferred embodiments of the present application, but should not be used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A heat-insulating silicone foam, characterized in that: The device includes a foam layer, a heat-insulating powder layer, a fiberglass layer, and a self-adhesive layer. Each of the heat-insulating powder layer, the fiberglass layer, and the self-adhesive layer consists of two layers, arranged in a sequentially overlapping manner. The heat-insulating powder layer, the fiberglass layer, and the self-adhesive layer are disposed above and below the foam layer, with the foam layer located between two heat-insulating powder layers. The foam layer, the heat-insulating powder layer, the fiberglass layer, and the self-adhesive layer are bonded to each other in pairs.

2. The heat-insulating silicone foam according to claim 1, characterized in that: The thickness of the foam layer is between 1mm and 1.5mm.

3. The heat-insulating silicone foam according to claim 1, characterized in that: The thickness of the heat insulation powder layer ranges from 0.1mm to 0.3mm.

4. The heat-insulating silicone foam according to claim 1, characterized in that: The thickness of the glass fiber layer ranges from 0.05mm to 0.25mm.

5. The heat-insulating silicone foam according to claim 1, characterized in that: The thickness of the self-adhesive layer is between 0.16 mm and 1 mm.

6. The heat-insulating silicone foam according to claim 1, characterized in that: Release paper is provided on the other side of the self-adhesive layer.

7. The heat-insulating silicone foam according to claim 1, characterized in that: A rare earth element high-temperature resistant layer is provided between the self-adhesive layer and the glass fiber layer.

8. The heat-insulating silicone foam according to claim 7, characterized in that: The thickness of the rare earth element high-temperature resistant layer ranges from 0.04 mm to 0.3 mm.

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