CN204243207U - For antenna surface and the metamaterial flat antenna of metamaterial flat antenna - Google Patents
For antenna surface and the metamaterial flat antenna of metamaterial flat antenna Download PDFInfo
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- CN204243207U CN204243207U CN201420736432.4U CN201420736432U CN204243207U CN 204243207 U CN204243207 U CN 204243207U CN 201420736432 U CN201420736432 U CN 201420736432U CN 204243207 U CN204243207 U CN 204243207U
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Abstract
The utility model relates to a kind of antenna surface for metamaterial flat antenna and metamaterial flat antenna.The above-mentioned antenna surface for metamaterial flat antenna comprises the media substrate with stacked medium substrate layer and supporting layer, the multiple conduction geometries be arranged on the surface contrary with described supporting layer of described medium substrate layer, the carbon fiber backboard that is placed on the surface contrary with described medium substrate layer of described supporting layer are stacked, wherein, the density of the material of described supporting layer is less than the density of the material of described medium substrate layer, and described medium substrate layer and described supporting layer press together.Above-mentioned antenna surface lighter in weight and mechanical strength is larger.Metamaterial flat antenna has above-mentioned antenna surface, has lighter weight and larger mechanical strength simultaneously.
Description
Technical field
The utility model relates to the communications field, more specifically, relates to a kind of antenna surface for metamaterial flat antenna and metamaterial flat antenna.
Background technology
The antenna surface of metamaterial flat antenna is usually by metal micro structure, medium substrate layer and metallic reflector is stacked is formed, and wherein, medium substrate layer upper and lower surface be adhesion metal micro-structural and metallic reflection surface layer respectively.Usually, medium substrate layer is made up of the Single Medium material with certain dielectric constant usually, and thickness generally at least needs the magnitude reaching 1 to 2 millimeter.Wherein, the density of the material of medium substrate layer is general comparatively large, and intensity and rigidity are not strong, make the weight of antenna surface entirety comparatively large, and mechanical strength is lower.For the plate aerial with single-layer metal micro-structural, the comparatively large and intensity of the density due to the material of medium substrate layer and rigidity strong, make the heavier-weight of the plate aerial using above-mentioned antenna surface, mechanical strength is also lower.For meeting flatness requirement and other mechanical requirements, can carry out supporting and reinforcing at metallic reflector opposite side displacement structure supporting layer (as metallic support, carbon fiber board etc.).In recent years, in order to reduce the overall weight of medium substrate, there is research institution to use low-k, low-density light material to coordinate original medium substrate to use, reducing the thickness of original medium substrate, and then reduce the overall weight of medium substrate, but the not yet overall mechanical property considering antenna system.
With reference to Fig. 1, the antenna surface of existing Meta Materials offset-feed type plate aerial is by metal micro structure 11, medium substrate layer 12 and metallic reflector 13 is stacked is formed, wherein, upper and lower surface adhesion metal micro-structural 11 and the metallic reflection surface layer 13 respectively of medium substrate layer 12.Medium substrate layer 12 is made up of the Single Medium material with certain dielectric constant usually, and thickness generally at least needs the magnitude reaching 1 to 2 millimeter.Wherein, the density of the material of medium substrate layer 12 is general comparatively large, and intensity and rigidity are strong, makes the weight of Meta Materials entirety comparatively large and mechanical strength is lower.In addition, for meeting flatness requirement and other mechanical requirements, can arrange structural support layer 14 in the side of medium substrate layer 12 and carry out supporting and reinforcing, this further increases again the weight of Meta Materials.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of lighter in weight and the larger antenna surface for metamaterial flat antenna of mechanical strength and a kind of metamaterial flat antenna.
For achieving the above object, the utility model provides a kind of antenna surface for metamaterial flat antenna on the one hand, comprising: media substrate, has stacked medium substrate layer and supporting layer; Multiple conduction geometry, is arranged on the surface contrary with supporting layer of medium substrate layer; Carbon fiber backsheet layer, is stacked and placed on the surface contrary with medium substrate layer of supporting layer; Wherein, the density of the material of supporting layer is less than the density of the material of medium substrate layer, and medium substrate layer and supporting layer press together.
According to the utility model, also comprise: the first adhesive film, be arranged between medium substrate layer and supporting layer, with by medium substrate layer and supporting layer bonding.
According to the utility model, supporting layer is configured to loose structure.
According to the utility model, loose structure is honeycomb or foaming structure.
According to the utility model, the thickness of medium substrate layer is less than 1 millimeter, and the thickness of supporting layer is in the scope of 1-10 millimeter.
According to the utility model, on the surface of supporting layer, be coated with metal coating at carbon fiber backsheet layer.
According to the utility model, also comprise: the second adhesive film, be arranged between supporting layer and carbon fiber backsheet layer, with by supporting layer and carbon fiber backsheet layer bonding.
According to the utility model, carbon fiber backsheet layer and supporting layer press together.
According to the utility model, conduction geometry is the micro-structural be made up of metal or nonmetallic electric conducting material.
Another aspect of the present utility model provides a kind of metamaterial flat antenna, comprises feed and the antenna surface as above-mentioned any one.
Compared to prior art, the beneficial effects of the utility model are:
Antenna surface for metamaterial flat antenna of the present utility model, by media substrate being configured to the supporting layer that medium substrate layer and low density material are made, makes Meta Materials have lower weight.Further, the low density material after pressing has higher mechanical strength, and then makes Meta Materials have higher mechanical strength.In addition, carbon fiber backsheet layer serves the effect of structural strengthening on the one hand, namely further increases the mechanical strength of Meta Materials; Carbon fiber backsheet layer instead of original metal layer reflection electromagnetic wave on the other hand, reduce further Meta Materials weight.And there is higher mechanical strength due to the low density material after pressing, then can reduce the thickness of carbon fiber backsheet layer compared with prior art, reduce further Meta Materials weight.Thus, antenna surface of the present utility model, has lighter weight and larger mechanical strength simultaneously.
Antenna surface for metamaterial flat antenna of the present utility model, is configured to loose structure by supporting layer, such as honeycomb or foaming structure.The mechanical strength much larger than generic media substrate can be had after pressing.And then further increase the mechanical strength of Meta Materials.
Antenna surface for metamaterial flat antenna of the present utility model, is coated with metal coating at carbon fiber backsheet layer on the surface of supporting layer, strengthens reflecting properties.
Metamaterial flat antenna of the present utility model, comprises above-mentioned antenna surface.Therefore metamaterial flat antenna of the present utility model has lighter weight and larger mechanical strength simultaneously.
Accompanying drawing explanation
Fig. 1 shows the generalized section of the antenna surface of a kind of offset-feed type plate aerial of the prior art;
Fig. 2 is the generalized section of an embodiment of antenna surface of the present utility model.
Embodiment
See accompanying drawing, embodiment of the present utility model is described below.
With reference to Fig. 2, an embodiment of the antenna surface for metamaterial flat antenna of the present utility model, it comprises media substrate.Wherein, media substrate comprises stacked medium substrate layer 22 and supporting layer 24.The density of the material of supporting layer 24 is less than the density of the material of medium substrate layer 22, and medium substrate layer 22 and supporting layer 24 press together.In addition, this antenna surface also comprises multiple conduction geometry 21 and carbon fiber backsheet layer 26, wherein, carbon fiber backsheet layer 26 is arranged on the surface contrary with supporting layer 24 of medium substrate layer 22, and carbon fiber backsheet layer 26 is stacked and placed on the surface contrary with medium substrate layer 22 of supporting layer 24.
Compared to the prior art shown in Fig. 1, the present embodiment replaces certain media substrate layer 22 of the prior art with the supporting layer 24 be made up of low density material, thus makes the antenna surface of the present embodiment have lower weight.Further, make each layer form overall antenna surface by pressing in the present embodiment, wherein, the low density material after pressing has higher mechanical strength, and then makes antenna surface have higher mechanical strength.
In addition, carbon fiber backsheet layer serves the effect of structural strengthening on the one hand, namely further increases the mechanical strength of Meta Materials; On the other hand, compared to the prior art shown in Fig. 1, carbon fiber backsheet layer 26 instead of original metal layer reflection electromagnetic wave, i.e. do not comprise metal level in the antenna surface of the present embodiment, reduce further Meta Materials weight.Thus, comparatively prior art, it is slight and provide electromagnetic reflection that carbon fiber backsheet layer 26 is applied to the machinery improving antenna surface simultaneously.And there is higher mechanical strength due to the low density material after pressing, then can reduce the thickness of carbon fiber backsheet layer compared with prior art, reduce further Meta Materials weight.Thus the antenna surface of the present embodiment has lighter weight and larger mechanical strength simultaneously.
Continue with reference to Fig. 2, in the present embodiment, antenna surface also comprises the first adhesive film 23, first adhesive film 23 and is arranged between medium substrate layer 22 and supporting layer 24, with when pressing by medium substrate layer 22 and supporting layer 24 bonding.Wherein, preferably adopt heat pressing process, and to form the glued membrane that the first adhesive film 23 uses be well known to a person skilled in the art the glued membrane that medium substrate layer 22 and supporting layer 24 can be realized to be bonded together.
In addition, the surface contrary with supporting layer 24 of medium substrate layer 22 is provided with and conducts electricity geometry 21, namely conducting electricity geometry 21 and supporting layer 24 lays respectively at the both sides of medium substrate layer 22.This conduction geometry 21 is the micro-structural be made up of metal or nonmetallic electric conducting material.Preferably, this conduction geometry 21 is individual layer micro-structural.
In addition, in the present embodiment, supporting layer 24 is configured to loose structure.Preferably, supporting layer 24 is configured to honeycomb or foaming structure.Be configured to the supporting layer 24 of loose structure, there is the mechanical strength much larger than generic media substrate after pressing.And then further increase the mechanical strength of antenna surface.
Further, in the present embodiment, the thickness of medium substrate layer 22 is less than 1 millimeter, and the thickness of supporting layer 24 is in the scope of 1-10 millimeter.Be compared to prior art, the thickness of medium substrate layer 22 obviously reduces, and then the weight of antenna surface is minimized.
Preferably, medium substrate layer 22 is made up of a kind of material in ceramic material, macromolecular material, ferroelectric material, ferrite material or ferromagnetic material, the dielectric constant of medium substrate layer 22 is in the scope of 2.0-4.0, and the loss tangent angle of medium substrate layer 22 is less than 0.01.
With further reference to Fig. 2, in the present embodiment, between supporting layer 24 and carbon fiber backsheet layer 26, be provided with the second adhesive film 25, with when pressing by supporting layer 24 and carbon fiber backsheet layer 26 bonding.Wherein, forming the glued membrane that the second adhesive film 25 uses is well known to a person skilled in the art the glued membrane that supporting layer 24 and carbon fiber backsheet layer 26 can be realized to be bonded together.。
Further, in the present embodiment, be coated with metal coating (not shown) at carbon fiber backsheet layer 26 on the surface of supporting layer 24, namely supporting layer 24, metal coating and carbon fiber backsheet layer 26 are stacked up and down successively.Above-mentioned metal coating can strengthen reflection further.
Can understand, when being provided with carbon fiber backsheet layer 26, when this antenna surface of making, by etch process or other, conduction geometry 21 be well known to a person skilled in the art that mode is arranged on medium substrate layer 22, and medium substrate layer 22, first adhesive film 23, supporting layer 24, second adhesive film 25 and carbon fiber backsheet layer 26 successively stacked after heat are forced together.
The weight removing the part after carbon fiber backboard in above-mentioned antenna surface reduces 40% or more compared with the weight of the part after removing structural support layer in prior art.And compared to having the prior art of equal mechanical strength, the overall weight of above-mentioned antenna surface reduces 50%.
According to different needs, by the configuration conduction difformity of geometry and size and corresponding collocating medium substrate, above-mentioned antenna surface can be applied to metamaterial flat antenna.
Metamaterial flat antenna of the present utility model, its antenna surface comprises above-mentioned antenna surface.Using single layer of conductive geometry to realize in the antenna surface of satellite-signal list receipts or transmitting-receiving, the antenna surface of plate aerial has lighter weight and larger mechanical strength simultaneously.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. for an antenna surface for metamaterial flat antenna, it is characterized in that, comprising:
Media substrate, has stacked medium substrate layer (22) and supporting layer (24);
Multiple conduction geometry (21), is arranged on the surface contrary with described supporting layer (24) of described medium substrate layer (22);
Carbon fiber backsheet layer (26), is stacked and placed on the surface contrary with described medium substrate layer (22) of described supporting layer (24);
Wherein, the density of the material of described supporting layer (24) is less than the density of the material of described medium substrate layer (22), and described medium substrate layer (22) and described supporting layer (24) press together.
2. the antenna surface for metamaterial flat antenna according to claim 1, is characterized in that, also comprise:
First adhesive film (23), is arranged between described medium substrate layer (22) and described supporting layer (24), with by described medium substrate layer (22) and described supporting layer (24) bonding.
3. the antenna surface for metamaterial flat antenna according to claim 1, is characterized in that,
Described supporting layer (24) is configured to loose structure.
4. the antenna surface for metamaterial flat antenna according to claim 3, is characterized in that,
Described loose structure is honeycomb or foaming structure.
5. the antenna surface for metamaterial flat antenna according to claim 1, is characterized in that,
The thickness of described medium substrate layer (22) is less than 1 millimeter, and the thickness of described supporting layer (24) is in the scope of 1-10 millimeter.
6. the antenna surface for metamaterial flat antenna according to claim 1, is characterized in that,
On the surface of described supporting layer (24), metal coating is coated with described carbon fiber backsheet layer (26).
7. the antenna surface for metamaterial flat antenna according to claim 1, is characterized in that, also comprise:
Second adhesive film (25), is arranged between described supporting layer (24) and described carbon fiber backsheet layer (26), with by described supporting layer (24) and described carbon fiber backsheet layer (26) bonding.
8. the antenna surface for metamaterial flat antenna according to claim 1, is characterized in that,
Described carbon fiber backsheet layer (26) and described supporting layer (24) press together.
9. the antenna surface for metamaterial flat antenna according to claim 1, is characterized in that,
Described conduction geometry is the micro-structural be made up of metal or nonmetallic electric conducting material.
10. a metamaterial flat antenna, is characterized in that, comprises feed and antenna surface as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736432.4U CN204243207U (en) | 2014-11-28 | 2014-11-28 | For antenna surface and the metamaterial flat antenna of metamaterial flat antenna |
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|---|---|---|---|
| CN201420736432.4U CN204243207U (en) | 2014-11-28 | 2014-11-28 | For antenna surface and the metamaterial flat antenna of metamaterial flat antenna |
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| CN204243207U true CN204243207U (en) | 2015-04-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033845A (en) * | 2015-03-20 | 2016-10-19 | 深圳光启高等理工研究院 | Meta-material and manufacturing method of conductive micro-structure of meta-material |
| CN106340716A (en) * | 2015-07-13 | 2017-01-18 | 深圳光启尖端技术有限责任公司 | Metamaterial function sheet, metamaterial, metamaterial antenna panel and metamaterial planar antenna |
-
2014
- 2014-11-28 CN CN201420736432.4U patent/CN204243207U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106033845A (en) * | 2015-03-20 | 2016-10-19 | 深圳光启高等理工研究院 | Meta-material and manufacturing method of conductive micro-structure of meta-material |
| CN106033845B (en) * | 2015-03-20 | 2021-06-04 | 深圳光启高等理工研究院 | Metamaterial and manufacturing method of conductive microstructure of metamaterial |
| CN106340716A (en) * | 2015-07-13 | 2017-01-18 | 深圳光启尖端技术有限责任公司 | Metamaterial function sheet, metamaterial, metamaterial antenna panel and metamaterial planar antenna |
| CN106340716B (en) * | 2015-07-13 | 2023-07-18 | 深圳光启尖端技术有限责任公司 | Metamaterial functional sheet, metamaterial antenna panel and metamaterial panel antenna |
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Effective date of registration: 20151120 Address after: 518057 Guangdong City, Nanshan District province high tech Zone in the middle of a high tech building, building No. 2, No. 9, building Patentee after: Shenzhen Guangqi Innovative Technology Co., Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Patentee before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. Patentee before: Shenzhen Kuang-Chi Institute of Advanced Technology |