CN223116000U - Aerogel composite board - Google Patents

Abstract

The utility model discloses an aerogel composite board which comprises a substrate, aerogel fillers, foam layers and a cover plate, wherein the substrate is provided with aerogel filling positions, each aerogel filling position is filled with the aerogel filler, the substrate is provided with the foam layers in the opening direction of the aerogel filling positions, the foam layers at least cover the positions of the substrate, which are not filled with the aerogel fillers, and the cover plate is arranged on the outer side of the foam layers and fixedly connected with the substrate. The utility model has the advantages of retaining the mechanical strength of the integral composite board while utilizing the sound insulation performance of the aerogel material, having good fireproof performance and sound insulation performance, being stable at high temperature, simple and convenient construction of the composite board, improving the construction efficiency, low carbon emission in the production process, low water absorption, good durability, long service life and the like, further reducing the maintenance cost, having extremely low heat conductivity coefficient, and being capable of obviously improving the bulletproof capability and the noise reduction ratio of the composite board when being used as a panel or an interlayer. The use of aerogel composite panels helps reduce global energy consumption and greenhouse gas emissions, particularly when used extensively in homes and buildings.

Description

Aerogel composite board

Technical Field

The utility model belongs to the field of buildings, and particularly relates to an aerogel composite board.

Background

In the building material industry, a large amount of wood or composite boards are needed for residential doors and multifunctional cabinets, wherein the solid wood boards are popular in the market due to good texture and sound insulation and heat preservation effects, and the composite boards are low in price, but have the problems of large VOC emission and general sound insulation and heat preservation effects. However, solid wood panels also suffer from the disadvantages of being heavy, not fire resistant, and being relatively expensive, and their cost of use is difficult to bear by most consumers.

Aerogel is a solid material with a porous structure having extremely low density and high porous properties, and ‌, a microporous structure makes it an excellent sound barrier. ‌ their highly open pore structure can effectively absorb and dampen the propagation of sound waves, ‌, thereby reducing the propagation velocity and energy transfer of sound. The low density nature of ‌ aerogel allows it to provide good sound insulation without adding too much weight, ‌ being important for sound barrier materials. ‌ furthermore, ‌ is very valuable in some special applications because it has good high temperature resistance, ‌ it can maintain stable sound barrier properties in high temperature environments, ‌.

Aerogel materials are relatively brittle, and are usually made into aerogel powder or aerogel composite felt for use, the existing aerogel composite board adopts aerogel powder as a filling material, the required structural strength of the composite board is difficult to provide, the manufactured board is easy to deform when being pressed, if local filling is adopted, the part which is not filled by aerogel can form a sound bridge and a heat bridge, and therefore the sound insulation and heat insulation performances of the board are reduced.

Disclosure of utility model

The present utility model provides an aerogel composite panel that addresses the deficiencies described in the background above.

The technical scheme adopted by the utility model is as follows:

The aerogel composite board comprises a substrate, aerogel fillers, foam layers and cover plates, wherein the substrate is provided with aerogel filling positions, each aerogel filling position is filled with the aerogel fillers, the foam layers are arranged on the substrate in the opening direction of the aerogel filling positions, the foam layers at least cover positions of the substrate, which are not filled with the aerogel fillers, and the cover plates are arranged on the outer sides of the foam layers and fixedly connected with the substrate. And the shape of the aerogel filling position can be the same or different, and is designed according to the requirement, and the aerogel filler is filled into the aerogel filling position, so that the aerogel sheet or the aerogel block is required to be the same as the shape of the aerogel filling position when the aerogel sheet or the aerogel block is used. The aerogel filler is at least one of aerogel powder, aerogel sheets, aerogel particles and aerogel blocks, that is to say, the substances can be singly used for filling the aerogel filling position, and at least two kinds of substances can be combined for filling the aerogel filling position, so long as the aerogel filling position can be well filled.

As a preferable mode of the utility model, the aerogel filling positions are through holes, each aerogel filling position has two opening directions, and at least one opening direction is provided with a foam layer. That is, only one end face of the substrate can be paved with the foam layer, and both end faces can be paved with the foam layer, but each opening direction is provided with a cover plate, and the cover plates mainly limit aerogel fillers and the foam layer not to be separated from the substrate.

As a preferred embodiment of the present utility model, the aerogel filling locations are filling slots, and each aerogel filling location has only one opening direction. For the filling groove with only one opening direction, only a foam layer is paved on one side, and then the foam layer and the aerogel filler are fixed on the substrate by the cover plate.

As a preferable scheme of the utility model, the foam layer is an aerogel foam layer. The aerogel foam has extremely large aperture ratio and extremely strong noise reduction effect.

As a preferable scheme of the utility model, the foam layer is provided with a relief hole at a position corresponding to the aerogel filling position. The setting of hole of stepping down can save the use amount of bubble cotton layer, relies on aerogel filler just can realize giving sound insulation, and the rest does not set up the place of aerogel filler, then uses bubble cotton layer to give sound insulation.

As a preferred embodiment of the present utility model, the foam layer covers the aerogel blocks and the portions of the substrate not filled with aerogel filler. The foam layer completely covers the substrate and forms a double-layer sound insulation structure at the overlapping place of the aerogel fillers, so that the sound insulation effect is further enhanced.

As a preferable scheme of the utility model, the foam layer is a melamine aerogel foam layer, a silica gel aerogel foam layer, a CR aerogel foam layer, an EVA aerogel foam layer, a PU aerogel foam layer or an SBR aerogel foam layer.

As a preferable scheme of the utility model, the cover plate is connected with the base plate in a buckling way.

As a preferable scheme of the utility model, the cover plate buckling position is arranged on the base plate, and the cover plate is fixed with the base plate through the cover plate buckling position.

As a preferable scheme of the utility model, the aerogel blocks are ceramic fiber aerogel blocks, high silica fiber aerogel blocks, mullite fiber aerogel blocks, zirconia fiber aerogel blocks or polyacrylonitrile fiber aerogel blocks.

The aerogel composite board is prepared by aerogel fillers, aerogel foam and solid wood boards, can be applied to the field of indoor buildings, and has the following benefits:

1) The volume weight of the aerogel filler is generally between 90-110 kg/m < 3 >, and is far lower than that of the traditional sound insulation material, and the aerogel filler is filled by arranging a cavity position on the solid wood substrate, so that the sound insulation performance of the aerogel material is utilized, and meanwhile, the mechanical strength of the integral composite board is also reserved.

2) Has good fireproof performance and sound insulation performance, and can be kept stable at high temperature.

3) The construction is simple and convenient, the construction period is short, the construction efficiency is improved, and the convenience is realized, so that the construction method is widely popularized in modern buildings and modularized buildings.

4) The carbon emission is low in the production process, and can be reduced by more than 40% compared with other heat-insulating materials such as rock wool.

5) Low water absorption, good durability and long service life, and further reduces maintenance cost.

6) Has extremely low heat conductivity coefficient, and the heat insulation effect is tens of times of that of the traditional heat insulation material. Can effectively reduce the production heat energy loss of industrial enterprises and can still maintain good heat insulation effect under low-temperature and low-humidity environments.

7) When the aerogel filler is used as a panel or an interlayer, the elastic deformation resistance and the noise reduction ratio of the composite board can be obviously improved.

8) The use of the aerogel composite panels helps to reduce global energy consumption and greenhouse gas emissions, particularly when used extensively in homes and buildings.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of a substrate structure with aerogel filling positions penetrating through round holes, wherein fig. 1a is a substrate with two elongated clamping grooves, fig. 1b is a substrate with elongated clamping grooves at the periphery, and fig. 1c is a substrate with two corner clamping grooves.

Fig. 2 is a schematic view of a substrate structure with aerogel filling positions being through diamond holes, in which fig. 2a is a substrate with two elongated slots, fig. 2b is a substrate with elongated slots at the periphery, and fig. 2c is a substrate with two corner slots.

Fig. 3 is a schematic view of a substrate structure with aerogel filled into through prismatic holes, in which fig. 3a is a substrate with two elongated slots, fig. 3b is a substrate with elongated slots around, and fig. 3c is a substrate with two corner slots.

Fig. 4 is a schematic view of a substrate structure with aerogel filling positions of different shapes, in which fig. 4a is a substrate with two elongated slots, fig. 4b is a substrate with elongated slots around, and fig. 4c is a substrate with two corner slots.

Fig. 5 is a cross-sectional view of example 1.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.

Example 1:

The utility model provides an aerogel composite sheet, includes base plate 1, aerogel filler, bubble cotton layer 3 and apron 4, the base plate be solid wood plank, base plate 1 is equipped with aerogel and fills position 1-1, the aerogel that sets up on the base plate fills the position, both can all link up, also can all be not link up, also can both link up and have not link up, all process according to actual demand. The shape of the aerogel filling site may be not limited, the same shape may be used, or a combination of shapes may be used, for example, fig. 1, 2 and 3 are all shapes, fig. 4 is a combination of two shapes, or a combination of other shapes, and the distribution on the substrate is not limited, and fig. 1-4 only show the distribution.

In this embodiment, aerogel fillers use aerogel blocks, and each aerogel filling site is filled with aerogel blocks, where the aerogel blocks are in one-to-one correspondence with the shape of the aerogel filling site to be filled. The aerogel blocks are ceramic fiber aerogel blocks, high silica fiber aerogel blocks, mullite fiber aerogel blocks, zirconia fiber aerogel blocks or polyacrylonitrile fiber aerogel blocks.

In this embodiment, the aerogel filling locations 1-1 are through holes, each aerogel filling location has two opening directions, and at least one opening direction is provided with a foam layer. That is, only one end face of the base plate can be paved with the foam layer, and both end faces can be paved with the foam layer, but each opening direction is provided with a cover plate, and the cover plate mainly has the function of limiting the aerogel blocks and the foam layer not to be separated from the base plate. This embodiment is shown by taking an example of arranging a foam layer on one end surface, as shown in fig. 5.

The foam layer used is an aerogel foam layer. Melamine aerogel foam layers, silica gel aerogel foam layers, CR aerogel foam layers, EVA aerogel foam layers, PU aerogel foam layers or SBR aerogel foam layers may be used.

The aerogel foam has extremely large aperture ratio and extremely strong noise reduction effect. When the aerogel filling device is arranged, the foam layer 3 at least covers the position of the substrate 1, which is not filled with the aerogel blocks, namely, the foam layer can be provided with abdication holes at the position corresponding to the aerogel filling position. The setting of hole of stepping down can save the use amount of bubble cotton layer, relies on the aerogel piece just can realize giving sound insulation, and the rest places that do not set up the aerogel piece, then uses bubble cotton layer to give sound insulation.

The foam layer may also cover the aerogel blocks and the areas of the substrate not filled with the aerogel blocks. The foam layer completely covers the substrate and forms a double-layer sound insulation structure at the overlapping position of the aerogel blocks, so that the sound insulation effect is further enhanced.

After laying the foam layer, the cover plate 4 is arranged on the outer side of the foam layer and is fixedly connected with the base plate 1 in a buckling mode. In this embodiment, fig. 1-4 show that a cover plate fastening position 1-2 is provided on a substrate 1, and the cover plate is fixed with the substrate through the cover plate fastening position. The cover plate is correspondingly provided with a corresponding buckling structure.

Of course, aerogel powder, aerogel particles and aerogel sheets can be used to be filled into the aerogel filling position alone to serve as aerogel filling materials, or aerogel blocks, aerogel powder, aerogel particles and aerogel sheets can be arbitrarily combined to serve as aerogel filling materials, and the aerogel filling positions can be filled according to actual situations.

Example 2:

An aerogel composite board, the aerogel filling position is a filling groove, and each aerogel filling position only has one opening direction. For the filling groove with only one opening direction, only a foam layer is paved on one side, and then the foam layer and the aerogel block are fixed on the substrate by the cover plate. The remainder was the same as in example 1.

In the description of the present specification, reference to the terms "one embodiment," "example," "specific example," and the like, means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (10)

1. The aerogel composite board is characterized by comprising a substrate (1), aerogel fillers, foam layers (3) and a cover plate (4), wherein the substrate (1) is provided with aerogel filling positions (1-1), each aerogel filling position is filled with aerogel fillers, each aerogel filler is aerogel powder, aerogel sheets, aerogel particles or aerogel blocks, the foam layers are arranged on the substrate (1) in the opening direction of each aerogel filling position, the foam layers (3) at least cover the positions, which are not filled with the aerogel fillers, of the substrate (1), and the cover plate (4) is arranged on the outer side of the foam layers and fixedly connected with the substrate (1).

2. The aerogel composite panel as claimed in claim 1, wherein the aerogel filling locations (1-1) are through holes, each aerogel filling location has two opening directions, and at least one opening direction is provided with a foam layer.

3. The aerogel composite panel of claim 1, wherein the aerogel fill locations are fill slots, each aerogel fill location having only one opening direction.

4. The aerogel composite panel of claim 1, 2 or 3, wherein the foam layer is an aerogel foam layer.

5. The aerogel composite panel of claim 4, wherein the foam layer has relief holes at locations corresponding to the aerogel fill locations.

6. The aerogel composite panel of claim 4, wherein the foam layer covers the aerogel filler and the area of the substrate not filled with aerogel filler.

7. The aerogel composite panel of claim 4, wherein the foam layer is a melamine aerogel foam layer, a silica gel aerogel foam layer, a CR aerogel foam layer, an EVA aerogel foam layer, a PU aerogel foam layer, or an SBR aerogel foam layer.

8. The aerogel composite panel according to claim 1, 2 or 3, wherein the cover plate is snap-fit to the base plate (1).

9. The aerogel composite panel as claimed in claim 8, wherein the base plate (1) is provided with a cover plate fastening position, and the cover plate is fixed with the base plate through the cover plate fastening position.

10. The aerogel composite panel of claim 1, wherein the aerogel blocks are ceramic fiber aerogel blocks, high silica fiber aerogel blocks, mullite fiber aerogel blocks, zirconia fiber aerogel blocks, or polyacrylonitrile fiber aerogel blocks.