Efficient building thermal insulation material containing graphene

Abstract

The utility model discloses an efficient building heat preservation material containing graphene, and relates to the technical field of building materials, the efficient building heat preservation material containing graphene comprises a heat preservation wallboard, a starting piece, a board connecting piece and a corner connecting piece, the heat preservation wallboard is sequentially adhered with a base layer, a first heat insulation layer, a sound insulation and shock absorption layer, a second heat insulation layer and an outer protection surface layer from inside to outside; the first heat insulation layer and the second heat insulation layer comprise a heat insulation base layer, a graphene modified middle layer and a porous heat insulation layer, the first heat insulation layer and the second heat insulation layer form a double-layer heat insulation system, and a nanometer micropore heat insulation material of the heat insulation base layer limits heat conduction of gas; a graphene sheet layer in the graphene modified middle layer and nano ceramic particles have a synergistic effect to reduce the heat transfer rate, the porous heat insulation layer prevents multiple heat propagation modes by utilizing a porous structure and filling aerogel, and the structure greatly improves the heat insulation efficiency of the heat insulation wallboard.

Description

TECHNICAL FIELD

[0001] The utility model relates to building material technical field, concretely is a kind of efficient building thermal insulation material containing graphene. BACKGROUND

[0002] In the field of construction, thermal insulation material plays a vital role in maintaining indoor comfortable temperature and reducing energy consumption. Currently, commonly used building thermal insulation materials such as polystyrene foam board and rock wool board can achieve heat insulation effect to some extent, but still have many shortcomings. One of the significant technical problems is that the thermal conductivity of these traditional thermal insulation materials is relatively high, which is difficult to meet the increasingly stringent building energy-saving standards.

[0003] With the development of the construction industry towards green, efficient and energy-saving direction, there is an urgent need to develop a new type of building thermal insulation material with lower thermal conductivity and more effective heat transfer prevention to improve the thermal insulation performance of buildings, reduce heat loss in winter and heat transfer in summer, thereby reducing building energy consumption and making greater contribution to energy saving and emission reduction. SUMMARY

[0004] The purpose of the utility model is to make up for the shortcomings of the prior art, and provide an efficient building thermal insulation material containing graphene.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an efficient building thermal insulation material containing graphene, comprising thermal insulation wallboard, a starting piece, a plate connecting piece and a corner connecting piece, the thermal insulation wallboard has a substrate layer, a first heat insulation layer, a sound and shock absorbing layer, a second heat insulation layer and an outer protective surface layer successively adhered from inside to outside, the first heat insulation layer and the second heat insulation layer comprise a heat insulation base layer, a graphene modified intermediate layer and a porous heat insulation layer, the heat insulation base layer, the graphene modified intermediate layer and the porous heat insulation layer are successively connected from inside to outside by hot pressing;

[0006] The starting piece is clamped at the bottom of the thermal insulation wallboard, the plate connecting piece is connected between two thermal insulation wallboards, and the corner connecting piece is connected at the corner of the thermal insulation wallboard.

[0007] The heat insulation base layer is a nano microporous heat insulation material, the graphene modified intermediate layer contains graphene sheet layers, and the outer surface of the graphene sheet layers is uniformly sprayed with nano ceramic particles.

[0008] The substrate layer, the first heat insulation layer, the sound and shock absorbing layer, the second heat insulation layer and the outer protective surface layer are connected by an adhesive layer.

[0009] The outer protective surface layer is a thin aluminum plate, and the outer surface of the outer protective surface layer is coated with a fluorocarbon coating, and the thickness of the fluorocarbon coating is 20-30 microns.

[0010] The outer surface of the starting piece is provided with a plurality of installation holes at equal intervals, and the inside of the starting piece is clamped to the thermal insulation wallboard.

[0011] The wall thickness of the plate connecting piece and the starting piece is 1 mm, and the plate connecting piece is provided with a U-shaped groove for clamping the thermal insulation wallboard.

[0012] The corner connecting piece comprises a right-angle bending piece and a cover plate, the right-angle bending piece is connected to the thermal insulation wallboard through screws, and the outer surface of the right-angle bending piece is inserted into the cover plate.

[0013] Compared with the prior art, the high-efficiency building thermal insulation material containing graphene has the following beneficial effects:

[0014] Firstly, the double-layer thermal insulation system is formed by the first thermal insulation layer and the second thermal insulation layer, the nano-microporous thermal insulation material of the thermal insulation base layer limits gas heat conduction, the graphene sheets in the graphene modified intermediate layer and the nano ceramic particles synergistically reduce the heat transfer rate, and the porous thermal insulation layer utilizes the porous structure and the filled aerogel to prevent multiple heat propagation modes, so that the thermal insulation efficiency of the thermal insulation wallboard is greatly improved, the indoor and outdoor heat exchange is effectively reduced, the building energy consumption is reduced, and the indoor temperature can be better maintained.

[0015] Secondly, the starting piece can be fixed to the bottom of the wall through the expansion bolt, the plate connecting piece is convenient for sequentially laying the thermal insulation wallboard upwards, the keel frame does not need to be fixed in advance, the installation efficiency is greatly improved, the corner connecting piece can cover the screws at the corner, the appearance is more beautiful, the overall installation process is simple, the construction convenience is ensured, and the appearance of the building is also considered.

[0016] Other advantages, objects and features of the present application will be set forth in part in the following specification, and in part will become apparent to those skilled in the art upon examination of the following specification, or can be learned from practice of the present application, the realization of which is the broadest possible scope as set forth in the appended claims. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the present application;

[0018] Figure 2 It is an exploded schematic diagram of the thermal insulation wallboard, the plate connecting piece and the corner connecting piece of the present application;

[0019] Figure 3 It is a three-dimensional schematic diagram of the corner connecting piece of the present application;

[0020] Figure 4 It is a layered schematic diagram of the thermal insulation wallboard in the present application;

[0021] Figure 5 It is the schematic view of layered structure of the first heat insulation layer and the second heat insulation layer in the utility model.

[0022] In the drawing: 1, heat preservation wallboard; 101, base layer; 102, first heat insulation layer; 103, sound insulation and shock absorption layer; 104, second heat insulation layer; 105, outer protective surface layer; 106, heat insulation base layer; 107, graphene modified intermediate layer; 108, porous heat insulation layer; 2, starting piece; 3, plate connecting piece; 4, corner connecting piece; 41, right-angle bending piece; 42, cover plate. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] As shown in the drawing, Figures 1-5 The utility model provides a kind of efficient building thermal insulation material containing graphene, including heat preservation wallboard 1, starting piece 2, plate connecting piece 3 and corner connecting piece 4, heat preservation wallboard 1 is sequentially adhered with base layer 101, first heat insulation layer 102, sound insulation and shock absorption layer 103, second heat insulation layer 104 and outer protective surface layer 105 from inside to outside, first heat insulation layer 102 and second heat insulation layer 104 include heat insulation base layer 106, graphene modified intermediate layer 107 and porous heat insulation layer 108, heat insulation base layer 106, graphene modified intermediate layer 107 and porous heat insulation layer 108 are sequentially connected from inside to outside by hot pressing;

[0025] Starting piece 2 is clamped in the bottom of heat preservation wallboard 1, plate connecting piece 3 is connected between two heat preservation wallboards 1, and corner connecting piece 4 is connected at the corner of heat preservation wallboard 1.

[0026] As shown in the drawing, Figures 1-2 Heat insulation base layer 106 is nano microporous heat insulation material, graphene modified intermediate layer 107 contains graphene sheet layer, the outer surface of graphene sheet layer is uniformly sprayed with nano ceramic particles, base layer 101, first heat insulation layer 102, sound insulation and shock absorption layer 103, second heat insulation layer 104 and outer protective surface layer 105 are connected by adhesive layer, outer protective surface layer 105 is thin aluminum plate, and the outer surface of outer protective surface layer 105 is coated with fluorocarbon coating, and the thickness of fluorocarbon coating is 20-30 microns.

[0027] The base layer 101, the first heat insulation layer 102, the sound insulation and shock absorption layer 103, the second heat insulation layer 104 and the outer protective surface layer 105 are connected by using an organic silicon modified acrylate adhesive with low thermal conductivity and good adhesion as a bonding layer, the base layer 101 is set as the bottom layer of the entire thermal insulation wallboard 1 and is attached to the outer surface of the wall, the sound insulation and shock absorption layer 103 is made of sound insulation material and has sound insulation effect, the first heat insulation layer 102 and the second heat insulation layer 104 can build a double-layer heat insulation system, the heat insulation base layer 106 of nano microporous heat insulation material limits the heat conduction of gas, the graphene modified intermediate layer 107 has a graphene sheet layer base with extremely high thermal conductivity, which can quickly conduct and disperse heat in its plane, the nano ceramic particles have high temperature resistance and good heat insulation performance, and the two work together, the graphene sheet layer quickly conducts heat to the nano ceramic particles, and the nano ceramic particles further block and scatter heat, thereby effectively reducing the heat transfer rate in the layer, the porous heat insulation layer 108 is provided, the porous structure itself can reduce heat transfer by limiting gas convection, the internal pores form many small heat insulation spaces, reducing the path and efficiency of heat conduction; filling nano silica aerogel in the pores further enhances the heat insulation performance, the aerogel has extremely low density and thermal conductivity, and its nano-scale pore structure can effectively prevent heat from spreading through solid conduction, gas convection and radiation and other ways, greatly improving the heat insulation efficiency of the entire thermal insulation wallboard 1 and improving the heat insulation effect.

[0028] As shown in Figures 1-3 The outer surface of the starting piece 2 is provided with a plurality of installation holes at equal intervals, and the inside of the starting piece 2 is clamped with the thermal insulation wallboard 1, the wall thickness of the plate connecting piece 3 and the starting piece 2 is 1mm, and the plate connecting piece 3 is provided with a U-shaped groove for clamping the thermal insulation wallboard 1, the corner connecting piece 4 includes a right-angled bending piece 41 and a cover plate 42, the right-angled bending piece 41 is connected with the thermal insulation wallboard 1 by screws, and the outer surface of the right-angled bending piece 41 is inserted with the cover plate 42.

[0029] The starting piece 2 is fixed on the wall by expansion bolts which can pass through the mounting holes on the starting piece 2, and the starting piece 2 needs to be installed at the lowermost of the wall, the thermal insulation wallboard 1 is clamped in the starting piece 2, then the plate connecting piece 3 with a U-shaped groove is clamped on the top of the thermal insulation wallboard 1, then the thermal insulation wallboard 1 is continuously clamped on the plate connecting piece 3, the back surface of the thermal insulation wallboard 1 is coated with structural adhesive in advance to strengthen the connection strength with the wall, and the length of the thermal insulation wallboard 1 can be customized according to the length of the wall surface, so that the thermal insulation wallboard 1 is laid on the wall in sequence, the traditional construction mode of needing to fix the keel frame on the wall in advance can be avoided, and the installation efficiency can be greatly improved; at the corner of the wall, the corner connecting piece 4 is covered at the corner, then the right-angle bending piece 41 is fixedly connected with the thermal insulation wallboard 1 by using screws, and then the cover plate 42 is inserted on the right-angle bending piece 41, so that the screws can be covered, and the appearance of the corner connecting piece 4 is more beautiful.

[0030] Working principle: first, the starting piece 2 is fixed at the lowermost of the wall by expansion bolts which pass through the mounting holes arranged at equal intervals on the outer surface of the starting piece 2; then, the thermal insulation wallboard 1 is clamped in the starting piece 2, structural adhesive is coated on the back surface of the thermal insulation wallboard 1 to enhance the connection strength with the wall, and the length of the thermal insulation wallboard 1 can be customized according to the length of the wall surface; then, the plate connecting piece 3 with a U-shaped groove is clamped on the top of the installed thermal insulation wallboard 1, and the thermal insulation wallboard 1 is continuously clamped on the plate connecting piece 3, so that the thermal insulation wallboard 1 is laid on the wall in sequence; finally, at the corner of the wall, the right-angle bending piece 41 of the corner connecting piece 4 is fixedly connected with the thermal insulation wallboard 1 by using screws, and the cover plate 42 is inserted on the right-angle bending piece 41 to cover the screws, so that the installation of the high-efficiency building thermal insulation material containing graphene is completed, and the first heat insulation layer 102 and the second heat insulation layer 104 can construct a high-efficiency heat insulation system, limit gas heat conduction, cooperatively reduce heat transfer rate, reduce various heat propagation, and enhance the heat insulation efficiency of the thermal insulation wallboard 1.

[0031] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency building thermal insulation material containing graphene, comprising a thermal insulation wallboard (1), a starting piece (2), a plate connecting piece (3) and a corner connecting piece (4), characterized in that: The heat preservation wallboard (1) is sequentially adhered with a base layer (101), a first heat insulation layer (102), a sound insulation and shock absorption layer (103), a second heat insulation layer (104) and an outer protective surface layer (105) from inside to outside, the first heat insulation layer (102) and the second heat insulation layer (104) comprise a heat insulation base layer (106), a graphene modified intermediate layer (107) and a porous heat insulation layer (108), the heat insulation base layer (106), the graphene modified intermediate layer (107) and the porous heat insulation layer (108) are sequentially connected from inside to outside by hot pressing; The starting piece (2) is clamped at the bottom of the heat preservation wallboard (1), the plate connecting piece (3) is connected between two heat preservation wallboards (1), and the corner connecting piece (4) is connected at the corner of the heat preservation wallboard (1).

2. The high-efficiency building thermal insulation material containing graphene according to claim 1, characterized in that: The heat insulation base layer (106) is a nano microporous heat insulation material, the graphene modified intermediate layer (107) contains a graphene sheet layer, and the outer surface of the graphene sheet layer is uniformly sprayed with nano ceramic particles.

3. The high efficient building thermal insulation material containing graphene according to claim 1, characterized in that: The base layer (101), the first heat insulation layer (102), the sound insulation and shock absorption layer (103), the second heat insulation layer (104) and the outer protective surface layer (105) are connected through an adhesive layer.

4. The high-efficiency building thermal insulation material containing graphene according to claim 1, characterized in that: The outer protective surface layer (105) is a thin aluminum plate, and the outer surface of the outer protective surface layer (105) is coated with a fluorocarbon coating, and the thickness of the fluorocarbon coating is 20-30 microns.

5. The high efficient building thermal insulation material containing graphene according to claim 1, characterized in that: The outer surface of the starting piece (2) is provided with a plurality of installation holes at equal intervals, and the inside of the starting piece (2) is clamped with the heat preservation wallboard (1).

6. The high efficient building thermal insulation material containing graphene according to claim 1, characterized in that: The wall thickness of the plate connecting piece (3) and the starting piece (2) is 1mm, and the plate connecting piece (3) is provided with a U-shaped groove for clamping the heat preservation wallboard (1).

7. The high efficient building thermal insulation material containing graphene according to claim 1, characterized in that: The corner connecting piece (4) comprises a right angle bending piece (41) and a cover plate (42), the right angle bending piece (41) is connected with the heat preservation wallboard (1) through screws, and the outer surface of the right angle bending piece (41) is inserted with the cover plate (42).

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