CN208502047U - Reinforced cement-mortar board with three-dimensional structure interface - Google Patents
Reinforced cement-mortar board with three-dimensional structure interface Download PDFInfo
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- CN208502047U CN208502047U CN201820755445.4U CN201820755445U CN208502047U CN 208502047 U CN208502047 U CN 208502047U CN 201820755445 U CN201820755445 U CN 201820755445U CN 208502047 U CN208502047 U CN 208502047U
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Abstract
The utility model is about a kind of reinforced cement-mortar board with three-dimensional structure interface, successively includes: bottom plate, three-dimensional structure layer and wave transparent screed；Wherein, the three-dimensional structure layer is regularly arranged three-dimensional structure, is attached on the bottom plate.The reinforced cement-mortar board with three-dimensional structure interface of the utility model is strong to electro-magnetic wave absorption and thickness is adjustable, can be used as building element and directly uses, can reduce the thickness of construction material and the cost of construction.
Description
Technical field
The utility model relates to a kind of the field of building materials, more particularly to a kind of cement bonded sand with three-dimensional structure interface
Pulpboard.
Background technique
With science and technology fast development and electronics, electrical equipment be more and more widely used in communication, industry,
The numerous areas such as scientific research, medical treatment and broadcast, the living environment and working environment of the mankind is almost by electronics, electric appliance and communication apparatus
It is surrounded, the electromagnetic radiation that these equipment generate when working causes space electromagnetic environment worsening.Electromagnetic radiation pollution is
There are the novel pollutions of huge potential hazard as a kind of.Electro-magnetic wave absorption construction material is can to convert or interfere by energy
Electromagnetic energy is a kind of functional form building materials of thermal energy by effect etc., can rationally and effectively control the electromagnetic radiation of space
Background intensity reduces the harm of electromagnetic radiation.For the electromagnetic pollution problem got worse, exploitation have bandwidth, absorb it is strong,
The thin electro-magnetic wave absorption construction material of thickness inhales the Main way of wave building materials research by becoming.
Cement-based material is material most widely used in current building, and cement base electromagnetic absorber research is more early, including
Wave absorption concrete and wave-absorbing mortar etc., it is most of to design to be formed by adding wave absorbing agent while carrying out structure.The knot mainly used
Structure design method, which mainly has, realizes impedance matching, addition electromagnetic wave transparent material, frequency-selective surfaces etc..The surface shape of gradual change is to realize
One of method of impedance matching is usually used in inhaling wave darkroom, and most common includes pyramid, spliting type.MULTILAYER COMPOSITE is to realize resistance
Resisting matched common method, most of interface is plane, and how matched number of plies effect more be better, and absorbing property is better, but at
This increase.
Utility model content
The main purpose of the utility model is that a kind of novel reinforced cement-mortar board with three-dimensional structure interface is provided,
The technical problem to be solved is that the propagation paths for making it change incident electromagnetic wave, improve the impedance matching between two layers, in phase
It is capable of forming reflection and refraction between adjacent shape, increases propagation path and increases electromagnetic wave loss, thus more suitable for practical.
It the purpose of this utility model and solves its technical problem and adopts the following technical solutions to realize.It is practical according to this
A kind of reinforced cement-mortar board with three-dimensional structure interface of novel proposition successively includes: bottom plate, three-dimensional structure layer and wave transparent sand
Pulp layer；
Wherein, the three-dimensional structure layer is regularly arranged three-dimensional structure, is attached on the bottom plate.
It the purpose of this utility model and solves its technical problem also following technical measures can be used to further realize.
Preferably, a kind of reinforced cement-mortar board with three-dimensional structure interface above-mentioned, wherein the wave transparent screed tool
There is holding tank, the three-dimensional structure of three-dimensional structure layer is accommodated, is bonded wave transparent screed with bottom plate；
Or the wave transparent screed has groove, the three-dimensional structure nib contacts with three-dimensional structure layer make wave transparent mortar
There is pre-determined distance between layer and bottom plate.
Preferably, a kind of reinforced cement-mortar board with three-dimensional structure interface above-mentioned, wherein the three-dimensional structure is rib
Cone, the bottom surface of pyramid are bonded with bottom plate, and the bottom edge arranged adjacent or pyramid of each pyramid are with the arrangement of pre-determined distance matrix.
Preferably, a kind of reinforced cement-mortar board with three-dimensional structure interface above-mentioned, wherein the three-dimensional structure is rib
The bottom surface of column or cylinder, prism or cylinder is bonded with bottom plate, and prism or cylinder are with the arrangement of pre-determined distance matrix.
Preferably, a kind of reinforced cement-mortar board with three-dimensional structure interface above-mentioned, wherein the three-dimensional structure is three
The side of prism, triangular prism is bonded with bottom plate, and the side arranged adjacent or triangular prism of each triangular prism are with pre-determined distance matrix row
Cloth；
Or the three-dimensional structure is quadrangular, the side of quadrangular is bonded with bottom plate, and quadrangular is with pre-determined distance matrix
Arrangement.
Preferably, a kind of reinforced cement-mortar board with three-dimensional structure interface above-mentioned, wherein the top of the three-dimensional structure
End is more than or equal to 5mm at a distance from bottom plate.
Preferably, a kind of reinforced cement-mortar board with three-dimensional structure interface above-mentioned, wherein described has three-dimensional structure
The reinforced cement-mortar board at interface reflectivity under 8-18GHz frequency is lower than -10dB.
By above-mentioned technical proposal, it is following excellent that there is the utility model the reinforced cement-mortar board at three-dimensional structure interface at least to have
Point:
1) the utility model changes the propagation road of incident electromagnetic wave by designing the shape and size at three-dimensional structure interface
Diameter is capable of forming reflection and refraction between adjacent shapes, increases propagation path and increases electromagnetic wave loss, selects appropriate three-dimensional
The height and angle of structural interface shape can reduce the thickness and cost of material when guaranteeing excellent absorbing property；
2) the utility model realizes that the more higher absorbent properties, the number of plies the more easy to accomplish by adjusting the number of plies of screed
Impedance matching, electromagnetic wave are easier to enter material internal；Wave permeation layer thickness is smaller, and wave transparent performance is better；The utility model has
The reinforced cement-mortar board at three-dimensional structure interface can be realized in 8-18GHz frequency range internal reflection rate lower than -10dB, minimum reflectance
It can reach -35dB；
3) the utility model Mortar Plates are strong to electro-magnetic wave absorption and thickness is adjustable, other thickness can be replaced big, at high cost
Electro-magnetic wave absorption construction material, can be used as building element and directly use, thickness and the construction of construction material can be reduced
Cost.
The above description is merely an outline of the technical solution of the present invention, in order to better understand the skill of the utility model
Art means, and can be implemented in accordance with the contents of the specification, below on the preferred embodiment of the present invention and the accompanying drawings in detail
It describes in detail bright as after.
Detailed description of the invention
Fig. 1 is the side view for the reinforced cement-mortar board that embodiment 1 has three-dimensional structure interface；
Fig. 2 is the top view of 1 wave-absorbing mortar layer of embodiment；
Fig. 3 is the side view of 1 wave-absorbing mortar layer of embodiment；
Fig. 4 is the side view for the reinforced cement-mortar board that embodiment 2 has three-dimensional structure interface；
Fig. 5 is the top view of 3 wave-absorbing mortar layer of embodiment；
Fig. 6 is the side view of 3 wave-absorbing mortar layer of embodiment；
Fig. 7 is the top view of 4 wave-absorbing mortar layer of embodiment；
Fig. 8 is the top view of 5 wave-absorbing mortar layer of embodiment.
Specific embodiment
Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken,
Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes the reinforced cement-mortar board with three-dimensional structure interface its
Specific embodiment, structure, feature and its effect, detailed description is as follows.In the following description, different " embodiment " or
What " embodiment " referred to is not necessarily the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can
It is combined by any suitable form.
A kind of reinforced cement-mortar board with three-dimensional structure interface that one embodiment of the utility model proposes, is successively wrapped
It includes: bottom plate, three-dimensional structure layer and wave transparent screed；
Wherein, the three-dimensional structure layer is regularly arranged three-dimensional structure, is attached on the bottom plate.
Preferably, wave transparent screed has holding tank, and the three-dimensional structure of three-dimensional structure layer is accommodated, make wave transparent screed with
Bottom plate fitting；
Or the wave transparent screed has groove, the three-dimensional structure nib contacts with three-dimensional structure layer make wave transparent mortar
There is pre-determined distance between layer and bottom plate.
Preferably, three-dimensional structure is pyramid, and the bottom surface of pyramid is bonded with bottom plate, the bottom edge arranged adjacent or rib of each pyramid
Cone is with the arrangement of pre-determined distance matrix.
Preferably, three-dimensional structure is prism or cylinder, and the bottom surface of prism or cylinder is bonded with bottom plate, and prism or cylinder are with pre-
If distance matrix is arranged.
Preferably, three-dimensional structure is triangular prism, and the side of triangular prism is bonded with bottom plate, the side adjacent row of each triangular prism
Cloth or triangular prism are with the arrangement of pre-determined distance matrix；
Or the three-dimensional structure is quadrangular, the side of quadrangular is bonded with bottom plate, and quadrangular is with pre-determined distance matrix
Arrangement.
Preferably, the top of three-dimensional structure is more than or equal to 5mm at a distance from bottom plate.
Preferably, the reflectivity under 8-18GHz frequency of the reinforced cement-mortar board with three-dimensional structure interface is lower than -10dB.
Preferably, bottom plate and three-dimensional structure layer form wave-absorbing mortar layer, and wave-absorbing mortar layer is one or more layers, wave transparent mortar
Layer is one or more layers.Wave transparent screed is thinner, and wave-absorbing effect is better.
Preferably, wave-absorbing mortar layer component includes cement, the first aggregate and wave absorbing agent, the first cement mortar include cement and
First aggregate, the aggregate that the preferred wave of the first aggregate is poor, density is big, intensity is high are river sand, sea sand, Machine-made Sand, glass
Glass microballon or expanded perlite.The ratio of mud is related with the type and volume of aggregate and wave absorbing agent.
Preferably, wave absorbing agent is graphite, carbon black, carbon fiber, graphene, nano-manganese dioxide, ferrite powder, carbonyl iron
At least one of powder, metal fine powder, silicon carbide and conducting polymer；
Wherein, when wave absorbing agent is at least one of carbon black, carbon fiber and graphene, the wave absorbing agent accounts for the first cement
The mass fraction of mortar is 1-5%；
Wave absorbing agent is graphite, nano-manganese dioxide, ferrite powder, carbonyl iron dust, metal fine powder, silicon carbide and conducting polymer
When at least one of object, the mass fraction that the wave absorbing agent accounts for the first cement mortar is 10%-50%.
Preferably, the component of wave transparent screed includes cement and the second aggregate, and the second aggregate is preferably the good aggregate of wave transparent,
For expanded perlite, EPS ball, porous glass beads or hollow glass micropearl.The water suction of second aggregate surface is serious, in order to reach more
Good workability, the ratio of mud are typically larger than 0.5.
Embodiment 1
As shown in Figure 1, a kind of cement mortar with three-dimensional structure interface that one embodiment of the utility model proposes
Plate successively includes bottom plate 1, three-dimensional structure layer 2 and wave transparent screed 3；Wave transparent screed 3 has holding tank, by three-dimensional structure
The triangular pyramid of layer accommodates, and is bonded wave transparent screed 3 with bottom plate 1.
Top view and the side view difference of wave-absorbing mortar layer are as shown in Figures 2 and 3.The triangular pyramid bottom side length of wave-absorbing mortar layer
It is highly 19.3mm for 14.0mm, the face arranged adjacent of contact of each shape with bottom plate.
The reinforced cement-mortar board with three-dimensional structure interface of embodiment 1 is tested into its electro-magnetic wave absorption using arched reflective method
Performance, obtaining minimum reflectance is -35dB, and frequency range of the reflectivity lower than -10dB is 6.8-18GHz.
Embodiment 2
As shown in figure 4, a kind of cement mortar with three-dimensional structure interface that one embodiment of the utility model proposes
Plate successively includes bottom plate 4, three-dimensional structure layer 5 and wave transparent screed 6；Wave transparent screed 6 has groove, with three-dimensional structure
The three-dimensional structure nib contacts of layer, make have pre-determined distance between wave transparent screed 6 and bottom plate 4, three-dimensional structure layer 5 and wave transparent mortar
There are cavitys 7 between layer 6.
The a length of 14.0mm in triangular pyramid bottom edge of wave-absorbing mortar layer, is highly 19.3mm, bottom plate 2.0mm, each shape with
The face arranged adjacent of the contact of bottom plate.
The reinforced cement-mortar board with three-dimensional structure interface of embodiment 2 is tested into its electro-magnetic wave absorption using arched reflective method
Performance, obtaining minimum reflectance is -35dB, and frequency range of the reflectivity lower than -10dB is 6.8-18GHz.
Embodiment 3
A kind of reinforced cement-mortar board with three-dimensional structure interface that one embodiment of the utility model proposes, is successively wrapped
Include bottom plate, three-dimensional structure layer and wave transparent screed；Wave transparent screed has holding tank, and the quadrangular of three-dimensional structure layer is accommodated,
It is bonded wave transparent screed with bottom plate.
Top view and the side view difference of wave-absorbing mortar layer are as shown in Figure 5 and Figure 6.Each quadrangular bottom of wave-absorbing mortar layer
It is 6.0mm × 6.0mm that side length, which is with the contact surface size of bottom plate, and each shape bottom edge is parallel and at a distance of 6.0mm, is highly
15.0mm, bottom plate 2.0mm.
The reinforced cement-mortar board with three-dimensional structure interface of embodiment 3 is tested into its electro-magnetic wave absorption using arched reflective method
Performance, when electromagnetic wave is with vertical polarization directions incidence, obtaining minimum reflectance is -36dB, and reflectivity is lower than the frequency model of -10dB
It encloses for 5.3-18GHz.
Embodiment 4
A kind of reinforced cement-mortar board with three-dimensional structure interface that one embodiment of the utility model proposes, is successively wrapped
Include bottom plate, three-dimensional structure layer and wave transparent screed；Wave transparent screed has holding tank, and the rectangular pyramid of three-dimensional structure layer is accommodated,
It is bonded wave transparent screed with bottom plate.
The top view difference of wave-absorbing mortar layer is as shown in Figure 7.Each rectangular pyramid bottom edge of wave-absorbing mortar layer is a length of and bottom plate
Contact surface size be 6.0mm × 6.0mm, it is highly 15.0mm that each shape bottom edge is parallel and at a distance of 6.0mm.
The reinforced cement-mortar board with three-dimensional structure interface of embodiment 4 is tested into its electro-magnetic wave absorption using arched reflective method
Performance, obtaining minimum reflectance is -40dB, and frequency range of the reflectivity lower than -10dB is 3.8-18GHz.
Embodiment 5
A kind of reinforced cement-mortar board with three-dimensional structure interface that one embodiment of the utility model proposes, is successively wrapped
Include bottom plate, three-dimensional structure layer and wave transparent screed；Wave transparent screed has holding tank, and the hexagonal pyramid of three-dimensional structure layer is accommodated,
It is bonded wave transparent screed with bottom plate.
The top view difference of wave-absorbing mortar layer is as shown in Figure 8.Each a length of 14.0mm in hexagonal pyramid bottom edge of wave-absorbing mortar layer,
It is highly 19.3mm, bottom plate 2.0mm,
The reinforced cement-mortar board with three-dimensional structure interface of embodiment 5 is tested into its electro-magnetic wave absorption using arched reflective method
Performance, when electromagnetic wave is with vertical polarization directions incidence, obtaining minimum reflectance is -30dB, and reflectivity is lower than the frequency model of -10dB
It encloses for 5.1-18GHz.
Embodiment 6
A kind of reinforced cement-mortar board with three-dimensional structure interface that one embodiment of the utility model proposes, is successively wrapped
Include the first wave-absorbing mortar layer, the second wave-absorbing mortar layer and wave transparent screed.Wherein, the first wave-absorbing mortar layer and second is inhaled
There is regularly arranged triangular prism on the side bottom plate of wave screed.
The contact surface size of each triangular prism and bottom plate of first wave-absorbing mortar layer and the second wave-absorbing mortar layer is 14.0mm
× 182.0mm, the face of contact of each shape with bottom plate are highly 19.3mm with long side arranged adjacent.
The reinforced cement-mortar board with three-dimensional structure interface of embodiment 6 is tested into its electro-magnetic wave absorption using arched reflective method
Performance, when electromagnetic wave is with vertical polarization directions incidence, obtaining minimum reflectance is -38dB, and reflectivity is lower than the frequency model of -10dB
It encloses for 4.0-18GHz.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention,
It is still within the scope of the technical solutions of the present invention.
Claims (7)
1. a kind of reinforced cement-mortar board with three-dimensional structure interface, which is characterized in that it successively includes: bottom plate, three-dimensional structure layer
With wave transparent screed；
Wherein, the three-dimensional structure layer is regularly arranged three-dimensional structure, is attached on the bottom plate.
2. a kind of reinforced cement-mortar board with three-dimensional structure interface according to claim 1, which is characterized in that described is saturating
Wave screed has holding tank, and the three-dimensional structure of three-dimensional structure layer is accommodated, is bonded wave transparent screed with bottom plate；
Or the wave transparent screed have groove, the three-dimensional structure nib contacts with three-dimensional structure layer, make wave transparent screed with
There is pre-determined distance between bottom plate.
3. a kind of reinforced cement-mortar board with three-dimensional structure interface according to claim 1, which is characterized in that described three
Dimension structure is pyramid, and the bottom surface of pyramid is bonded with bottom plate, and the bottom edge arranged adjacent or pyramid of each pyramid are with pre-determined distance matrix
Arrangement.
4. a kind of reinforced cement-mortar board with three-dimensional structure interface according to claim 1, which is characterized in that described three
Structure is tieed up as prism or cylinder, the bottom surface of prism or cylinder is bonded with bottom plate, and prism or cylinder are with the arrangement of pre-determined distance matrix.
5. a kind of reinforced cement-mortar board with three-dimensional structure interface according to claim 1, which is characterized in that described three
Dimension structure is triangular prism, and the side of triangular prism is bonded with bottom plate, and the side arranged adjacent or triangular prism of each triangular prism are with default
Distance matrix arrangement；
Or the three-dimensional structure is quadrangular, the side of quadrangular is bonded with bottom plate, and quadrangular is with the arrangement of pre-determined distance matrix.
6. a kind of reinforced cement-mortar board with three-dimensional structure interface according to claim 1, which is characterized in that described three
The top for tieing up structure is more than or equal to 5mm at a distance from bottom plate.
7. a kind of reinforced cement-mortar board with three-dimensional structure interface according to claim 1, which is characterized in that the tool
There is the reinforced cement-mortar board at three-dimensional structure interface reflectivity under 8-18GHz frequency to be lower than -10dB.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248528A (en) * | 2019-06-20 | 2019-09-17 | 佘琪春 | Gradation type absorbing material and preparation method thereof |
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2018
- 2018-05-21 CN CN201820755445.4U patent/CN208502047U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110248528A (en) * | 2019-06-20 | 2019-09-17 | 佘琪春 | Gradation type absorbing material and preparation method thereof |
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