CN203553361U - Antenna reflecting plate and low back lobe antenna - Google Patents
Antenna reflecting plate and low back lobe antenna Download PDFInfo
- Publication number
- CN203553361U CN203553361U CN201320717530.9U CN201320717530U CN203553361U CN 203553361 U CN203553361 U CN 203553361U CN 201320717530 U CN201320717530 U CN 201320717530U CN 203553361 U CN203553361 U CN 203553361U
- Authority
- CN
- China
- Prior art keywords
- antenna
- reflected plate
- conduction geometry
- reflecting plate
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 claims abstract description 45
- 239000000758 substrate Substances 0.000 claims abstract description 28
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 6
- -1 ITO Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 239000003302 ferromagnetic material Substances 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005291 magnetic effect Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000005445 natural material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
Provided is an antenna reflecting plate. The antenna reflecting plate comprises at least one meta-material sheet layer. Each meta-material sheet layer comprises a substrate and multiple conductive geometric structures arranged on the substrate in an array; and the conductive geometric structures comprise horizontally inverted I-shaped structures; the conductive geometric structures are configured to enable a reflecting plane to form a high resistance surface and the antenna working efficiency to be within a resistance band of the high resistance surface. Provided is also a low back lobe antenna. The low back lobe antenna comprises an antenna body and the antenna reflecting plate, wherein the antenna reflecting plate and the antenna body are in parallel arrangement and are spaced at a certain distance. An antenna employing the antenna reflecting plate can substantially reduce antenna back lobes.
Description
Technical field
The utility model relates to antenna technology, particularly relates to a kind of antenna-reflected plate and low back lobe antenna.
Background technology
On the coverage direction figure of antenna, not only comprise antenna main lobe and the antenna backlobe that is positioned at antenna main lobe both sides, antenna backlobe easily causes area covered and interference.Traditional antenna with reflecting plate is in order to reduce antenna backlobe, need to strengthen reflecting plate area or the physical structure of change reflecting plate, but, strengthening reflecting plate area can increase erection space and the antenna cost of antenna, and the difficulty of processing of the mode of known change reflection board structure is large, cost is high, and the effect that traditional scheme reduces back lobe is very restricted.
Utility model content
The purpose of this utility model is to overcome the above-mentioned shortcoming of prior art, and a kind of antenna-reflected plate and the low back lobe antenna with this reflecting plate are provided.
For achieving the above object, the utility model is by the following technical solutions:
A kind of antenna-reflected plate, comprise at least one super sheet of material, each super sheet of material comprises substrate and the array arrangement multiple conduction geometries on described substrate, the side that described substrate has described conduction geometry is the reflecting surface of described antenna-reflected plate, described conduction geometry comprises the inverted I-shape construction of level, and described conduction geometry is configured and makes described reflecting surface be formed as high impedance surface and the stopband of operating frequency of antenna in described high impedance surface.
Further, described I-shape construction also comprises from the two ends of two vertical edges further to the inside relatively horizontally extending beam, thereby form two relative epsilon-type structures of opening, the intermediate beam of described two epsilon-type structures is connected, and has certain intervals between two upper beams and between two underbeams.
Further, described substrate is divided into multiple super material cell, wherein in each super material cell, is placed with a described conduction geometry.
Further, the shape and size of described two epsilon-type structures are identical.
Further, the length of the common intermediate beam of described two epsilon-type structures is 0～100mm, and the length of two upper beams and two underbeams is 0～50mm, and the length of side is 0～50mm.
Further, conduction geometry is copper, aluminium, iron, gold, silver, ITO, graphite or carbon nano-tube material.
Further, the live width of described conduction geometry is 0.01mm～10mm.
Further, the length of each super material cell is 1mm200mm, and width is 0.5mm～100mm.
Described substrate is F4B, FR4, pottery, polytetrafluoroethylene, ferroelectric, iron oxygen or ferromagnetic material plate.
A kind of low back lobe antenna, comprises antenna body and any above-mentioned antenna-reflected plate, and described antenna-reflected plate and antenna body be arranged in parallel and keep at a certain distance away.
Further, described antenna is half-wave dipole antenna.
Further, the length of described antenna body is 5mm～500mm, and the area of described antenna-reflected plate is 5mm*5mm～500mm*500mm, and the spacing of described antenna body and described antenna-reflected plate is 2.5mm～250mm.
The utility model adopts super sheet of material as antenna-reflected plate, super sheet of material has the unique conduction geometry of structure, by the array of I-shaped conduction geometry is set at antenna-reflected plate, make the reflecting surface of antenna-reflected plate be formed as high impedance surface, and the stopband of the operating frequency that this high impedance surface makes antenna in super material reflecting plate, due to the operating frequency of the antenna stopband in super material reflecting plate, can effectively suppress surperficial wave propagation, and then can effectively reduce antenna backlobe.
Accompanying drawing explanation
Fig. 1 is the super sheet of material structural representation of the individual layer in the utility model embodiment;
Fig. 2 is the super sheet of material structural representation of the multilayer in the utility model embodiment;
Fig. 3 is the conduction geometry schematic diagram in the utility model embodiment;
Fig. 4 is the schematic diagram of arranging of the conduction geometry in the utility model preferred embodiment;
Fig. 5 and Fig. 6 are the conduction geometry schematic diagram in the utility model preferred embodiment;
Fig. 7 is the half-wave dipole antenna structural representation of the utility model embodiment
Fig. 8 is the back lobe comparison diagram that uses the reflecting plate of the utility model embodiment and use the antenna of traditional reflective plate.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.Should be emphasized that, following explanation is only exemplary, rather than in order to limit scope of the present utility model and application thereof.
Super material is a kind of artificial composite structure material with the not available extraordinary physical property of natural material, by the ordered arrangement to conduction geometry, can change in space relative dielectric constant and the magnetic permeability of at every.Super material can be realized refractive index, impedance and the wave penetrate capability that common material cannot possess within the specific limits, thereby can effectively control electromagnetic wave propagation characteristic.The utility model, by the array of I-shaped conduction geometry is set, makes the reflecting surface of antenna-reflected plate be formed as high impedance surface, and this high impedance surface stopband of operating frequency in super material reflecting plate of being configured to make antenna.Because high impedance surface belongs to resonance structure, when near the operating frequency of the antenna resonance frequency in high impedance surface, surface wave cannot be propagated on high impedance surface, and backward radiation reduces, thereby reduces the episternites of antenna.
As depicted in figs. 1 and 2, embodiment of the present utility model provides a kind of antenna-reflected plate, and it comprises at least one super sheet of material 1, and each super sheet of material 1 comprises substrate 10 and the array arrangement conduction geometry 20 on substrate 10.
Fig. 1 has a super sheet of material 1 to describe as example take reflecting plate.Reflecting plate shown in Fig. 2 has multiple super sheet of material 1, and each super sheet of material 1 is along the direction stack perpendicular to lamella, and can be assembled into one by mechanical connection, welding or the mode such as bonding.When actual design, can adopt two substrates, and conduction geometry array arrangement is therein on a substrate, another substrate covers conduction geometry, and conduction geometry is folded between two substrates, can reach equally the purpose of this utility model.For example adopt 3 laminar substrates, two-layer conduction geometry is intervally arranged between 3 laminar substrates.In like manner, adopt 5 laminar substrates, 3 layers of conduction geometry are intervally arranged between 5 laminar substrates.The utility model does not limit the concrete quantity of super sheet of material.Conventionally, in the situation that can meeting performance, a super sheet of material just can be used as super material reflecting plate and uses.The conduction geometry place plane of array arrangement is parallel with electromagnetic Electric and magnetic fields direction, vertical with the incident electromagnetic wave direction of propagation.
As shown in Figure 3, in an embodiment of the present utility model, basic conduction geometry comprises the inverted I-shape construction of level.Conduction geometry array is configured and makes the reflecting surface of antenna-reflected plate be formed as high impedance surface.
As shown in Figure 4, the substrate 10 in super sheet of material 1 can be divided into multiple super material cell, is placed with a conduction geometry 20 in each super material cell.The division number of the super material cell shown in figure is only signal, and conduct is not to restriction of the present utility model.
As shown in Figure 4, Figure 5 and Figure 6, in a preferred embodiment of the present utility model, each described I-shape construction also comprises from the two ends of two vertical edges further to the inside relatively horizontally extending beam, thereby form two relative epsilon-type structures of opening, the intermediate beam of described two epsilon-type structures is connected, and between two upper beams and between two underbeams, there is certain intervals, at a breach of the each formation in top and bottom of conduction geometry.Preferably, the length of the common intermediate beam of described two epsilon-type structures is 0～10mm, and the length of two upper beams and two underbeams is 0～50mm, and the length of side is 0～50mm.Epsilon-type structure can consist of the bonding jumper with default live width.Described bonding jumper is preferably copper bar.The live width of bonding jumper is preferably 0.01mm～10mm.Preferably, for example, in the situation that operating frequency of antenna is 30GHz left and right, the length b of each super material cell is 1mm, and width a is 0.5mm.
Above-mentioned shape and the live width of conduction geometry can make reflecting plate realize the characteristic of high impedance surface especially goodly, effectively suppress corresponding frequencies surface wave propagation, thus the back lobe that more effectively reduces antenna.
Numerical value in above embodiment is only example, in actual applications, can adjust according to actual demand, and the utility model is not restricted this.
Super sheet of material can be processed by double-sided copper-clad dielectric-slab.In an embodiment of the present utility model, substrate 10 is made by F4B or FR4 composite material.Conduction geometry 20 is attached on substrate 10 by etched mode towards a side of antenna body at substrate, and the modes such as the geometry 20 that certainly conducts electricity also can adopt platings, bores quarter, photoetching, electronics quarter or ion quarter are attached on substrate 10.Substrate 10 also can adopt other materials to make, such as pottery, polytetrafluoroethylene, ferroelectric material, ferrite material or ferromagnetic material are made.Conduction geometry 20 adopts copper cash to make, and can certainly adopt the electric conducting materials such as silver-colored line, ITO, graphite or carbon nano-tube to make.
The utility model also provides a kind of antenna, comprises antenna body and antenna-reflected plate as described above, and antenna-reflected plate and antenna body be arranged in parallel and keep at a certain distance away.Antenna can be but be not limited to half-wave dipole antenna.Antenna body can be such as but not limited to plate.Preferably, the length of antenna body is 5mm～500mm, and the area of antenna-reflected plate is 5mm*5mm～500mm*500mm, and the spacing of antenna body and antenna-reflected plate is 2.5mm～250mm.As shown in Figure 7, in a specific embodiment, the length I of dipole antenna body is 5mm, and the area of described antenna-reflected plate is 5mm*5mm, the spacing h of described antenna body and described antenna-reflected plate is 2.5mm, and the electromagenetic wave radiation direction of antenna is as shown in arrow A in figure.As it will be appreciated by those skilled in the art that, antenna also can comprise radiation source, feed element etc. conventionally, and the utility model is not restricted this.Antenna can be but be not limited to WLAN antenna by purposes.
Fig. 8 shows the antenna that uses the super material reflecting plate of the utility model embodiment and use traditional reflective plate and contrasts at the antenna direction plus of all directions, gain when dotted line 1 represents to use traditional reflective plate, gain when solid line 2 represents to use the super material reflecting plate of the utility model.As can be seen from the comparison result, adopt the super material reflecting plate of the utility model embodiment, the back lobe of antenna has reduced about 5dB, than the obvious reduction of traditional scheme.The utility model reflecting plate does not need to reduce back lobe by the mode of area increased, therefore dwindled the area of antenna with respect to traditional scheme, has reduced cost.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.
Claims (12)
1. an antenna-reflected plate, it is characterized in that, comprise at least one super sheet of material, each super sheet of material comprises substrate and the array arrangement multiple conduction geometries on described substrate, the side that described substrate has described conduction geometry is the reflecting surface of described antenna-reflected plate, described conduction geometry comprises the inverted I-shape construction of level, and described conduction geometry is configured and makes described reflecting surface be formed as high impedance surface and the stopband of operating frequency of antenna in described high impedance surface.
2. antenna-reflected plate according to claim 1, it is characterized in that, described I-shape construction also comprises from the two ends of two vertical edges further to the inside relatively horizontally extending beam, thereby form two relative epsilon-type structures of opening, the intermediate beam of described two epsilon-type structures is connected, and has certain intervals between two upper beams and between two underbeams.
3. antenna-reflected plate according to claim 1, is characterized in that, described substrate is divided into multiple super material cell, wherein in each super material cell, is placed with a described conduction geometry.
4. antenna-reflected plate according to claim 2, is characterized in that, the shape and size of described two epsilon-type structures are identical.
5. antenna-reflected plate according to claim 2, is characterized in that, the length of the common intermediate beam of described two epsilon-type structures is 0～100mm, and the length of two upper beams and two underbeams is 0～50mm, and the length of side is 0～50mm.
6. antenna-reflected plate according to claim 1, is characterized in that, described conduction geometry is copper, aluminium, iron, gold, silver, ITO, graphite or carbon nano-tube material.
7. antenna-reflected plate according to claim 6, is characterized in that, the live width of described conduction geometry is 0.01mm～10mm.
8. according to the antenna-reflected plate described in claim 1 to 7 any one, it is characterized in that, the length of each super material cell is 1mm～200mm, and width is 0.5mm～100mm.
9. according to the antenna-reflected plate described in claim 1 to 7 any one, it is characterized in that, described substrate is F4B, FR4, pottery, polytetrafluoroethylene, ferroelectric, iron oxygen or ferromagnetic material plate.
10. a low back lobe antenna, is characterized in that, comprises antenna body and the antenna-reflected plate as described in claim 1～9 any one, and described antenna-reflected plate and antenna body be arranged in parallel and keep at a certain distance away.
11. low back lobe antennas according to claim 10, is characterized in that, described antenna is half-wave dipole antenna.
12. low back lobe antennas according to claim 11, it is characterized in that, the length of described antenna body is 5mm～500mm, and the area of described antenna-reflected plate is 5mm*5mm～500mm*500mm, and the spacing of described antenna body and described antenna-reflected plate is 2.5mm～250mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717530.9U CN203553361U (en) | 2013-11-13 | 2013-11-13 | Antenna reflecting plate and low back lobe antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320717530.9U CN203553361U (en) | 2013-11-13 | 2013-11-13 | Antenna reflecting plate and low back lobe antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203553361U true CN203553361U (en) | 2014-04-16 |
Family
ID=50471433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320717530.9U Expired - Lifetime CN203553361U (en) | 2013-11-13 | 2013-11-13 | Antenna reflecting plate and low back lobe antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203553361U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638379A (en) * | 2013-11-13 | 2015-05-20 | 深圳光启创新技术有限公司 | Antenna baffle board and low-back-lobe antenna |
| CN104659495A (en) * | 2015-02-03 | 2015-05-27 | 成都南骄科技有限公司 | Artificial structural material for electric control and regulation of radiation frequency and manufacturing method of artificial structural material |
-
2013
- 2013-11-13 CN CN201320717530.9U patent/CN203553361U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104638379A (en) * | 2013-11-13 | 2015-05-20 | 深圳光启创新技术有限公司 | Antenna baffle board and low-back-lobe antenna |
| CN104659495A (en) * | 2015-02-03 | 2015-05-27 | 成都南骄科技有限公司 | Artificial structural material for electric control and regulation of radiation frequency and manufacturing method of artificial structural material |
| CN104659495B (en) * | 2015-02-03 | 2018-07-06 | 成都南骄科技有限公司 | A kind of automatically controlled artificial structure's material for adjusting radiation frequency and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207098066U (en) | Lens antenna based on Novel meta-material cellular construction | |
| CN104218325B (en) | A kind of effective dielectric constant and the artificial electromagnetic material of magnetic conductivity nearly zero | |
| CN103490171A (en) | Composite wave-absorbing material with wide frequency bands | |
| CN106848598A (en) | A kind of low scattering high-gain fabry perot cavity antenna based on the super surface of coding | |
| WO2017157218A1 (en) | Antenna | |
| CN102142604B (en) | Microstrip antenna element with controllable directional diagram | |
| CN109509987B (en) | Novel 2D/3D combined dual-polarized ultra-broadband absorbing structure | |
| CN104347952A (en) | Meta-material and antenna | |
| CN102354810A (en) | Omni-directional electric scanning radome consisting of sub-wavelength resonance structure units | |
| CN104638351B (en) | Antenna-reflected plate and high-gain aerial | |
| CN102769198A (en) | Artificial electromagnetic material, radome and antenna system | |
| CN103296409A (en) | Broadband metamaterial antenna housing and antenna system | |
| CN203553345U (en) | Antenna reflecting plate and high-gain antenna | |
| CN207719402U (en) | High power flush type polarization conversion antenna house | |
| CN102842758A (en) | Radome material and radome and antenna system adopting same | |
| CN203553361U (en) | Antenna reflecting plate and low back lobe antenna | |
| CN104638379A (en) | Antenna baffle board and low-back-lobe antenna | |
| CN203553363U (en) | Antenna reflecting plate and low sidelobe antenna | |
| CN103401049A (en) | Stable-polarization performance thick-screen frequency selective surface filter | |
| CN106558756A (en) | Meta Materials, Super-material antenna panel and metamaterial flat antenna | |
| CN203553362U (en) | Antenna reflecting plate and low profile antenna | |
| CN102723598A (en) | Metamaterial microwave antenna cover and antenna system | |
| CN103579773A (en) | Metamaterial, radome with same and antenna system | |
| CN102769202B (en) | Dual-frequency band-pass wave-transmitting material, antenna housing made of dual-frequency band-pass wave-transmitting material and antenna system comprising antenna housing | |
| CN110380223B (en) | Omnidirectional perfect matching transparent material conforming to uniaxial perfect matching layer model |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |