CN206412483U - Array antenna - Google Patents
Array antenna Download PDFInfo
- Publication number
- CN206412483U CN206412483U CN201720011178.5U CN201720011178U CN206412483U CN 206412483 U CN206412483 U CN 206412483U CN 201720011178 U CN201720011178 U CN 201720011178U CN 206412483 U CN206412483 U CN 206412483U
- Authority
- CN
- China
- Prior art keywords
- paster
- sinusoidal
- array antenna
- antenna according
- parallel
- 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 - Fee Related
Links
Abstract
The utility model provides a kind of array antenna, including：Meta Materials slow-wave structure, parallel-plate waveguide and the radiation minor matters being sequentially stacked, one surface of parallel-plate waveguide is connected with Meta Materials slow-wave structure, another surface is connected with radiation minor matters, wherein, Meta Materials slow-wave structure includes being interconnected with one another to form the construction unit of layer structure, each construction unit includes sinusoidal paster, reflecting plate and medium substrate, one surface of medium substrate is connected with sinusoidal paster, another surface is connected with reflecting plate, wherein, sinusoidal paster is set towards parallel-plate waveguide.The purpose of this utility model is to provide a kind of array antenna with plane slow-wave structure.
Description
Technical field
The utility model is related to antenna technical field, more specifically, is related to a kind of array antenna.
Background technology
In traditional array antenna, traditional slow-wave structure of stereochemical structure is generally used to avoid the occurrence of graing lobe.Tradition
Slow-wave structure be generally metal dentalation, extend Electromagnetic Wave Propagation path, i.e. groove depth by grooving to compensate path phase.
So that array element spacing, which is spatially arranged, can be less than a wavelength, although graing lobe can be avoided to a certain extent, but still
The in-phase stacking of phase can so be realized.Also, this three-dimensional slow-wave structure space-consuming is larger and increases processing
Difficulty, slow-wave structure as loading classes is unfavorable for the conformal of antenna in array antenna, limits the design of antenna and applies model
Enclose.
Utility model content
For problem present in correlation technique, the purpose of this utility model is to provide a kind of with plane slow-wave structure
Array antenna.
To achieve the above object, the utility model provides a kind of array antenna, including：The Meta Materials slow wave being sequentially stacked
Structure, parallel-plate waveguide and radiation minor matters, one surface of parallel-plate waveguide are connected with Meta Materials slow-wave structure, another surface
It is connected with radiation minor matters, wherein, Meta Materials slow-wave structure includes being interconnected with one another to form the construction unit of layer structure, often
Individual construction unit includes sinusoidal paster, reflecting plate and medium substrate, and a surface of medium substrate is connected with sinusoidal paster, separately
One surface is connected with reflecting plate, wherein, sinusoidal paster is set towards parallel-plate waveguide.
According to one embodiment of the present utility model, sinusoidal paster is planarized structure part, is fitted in medium substrate
Lower contour is symmetrical on one surface, sinusoidal paster, and upper lower contour is the sine wave curve of half period.
According to one embodiment of the present utility model, sinusoidal paster is the sinusoidal paster of metal.
According to one embodiment of the present utility model, the length of sinusoidal paster is the 1/ of the working frequency range wavelength of array antenna
4-1/3。
According to one embodiment of the present utility model, medium substrate is Rogers's sheet material or F4B.
According to one embodiment of the present utility model, reflecting plate is metallic reflection plate.
According to one embodiment of the present utility model, construction unit is configured to rectangular parallelepiped structure, and all construction units
Array arrangement.
According to one embodiment of the present utility model, construction unit connects to each other to form the layer structure of honeycomb shape.
According to one embodiment of the present utility model, the upper lower contour of sinusoidal paster is symmetrical on central axis, adjacent
The central axis of sinusoidal paster in two construction units is overlapped or parallel.
According to one embodiment of the present utility model, radiation branch merism is with step outer surface.
According to one embodiment of the present utility model, radiation minor matters are configured to T-shaped structure, and the horizontal stroke of T-shaped structure
Side is connected with parallel-plate waveguide.
According to one embodiment of the present utility model, radiation branch merism is the plastics of metal or surface metalation.
Advantageous effects of the present utility model are：
The array antenna that the utility model is related to, traditional slow-wave structure is replaced using the Meta Materials slow-wave structure of plane,
Processing is simple, and flexible design is convenient, and array antenna can be made to have bigger design space in terms of conformal and size；Separately
Outside, the Meta Materials slow-wave structure of the plane can shorten the spacing between array antenna unit so that its spacing is less than a ripple
It is long, the problem of graing lobe occurs in array antenna can be avoided；Furthermore, due to being provided with sinusoidal paster in Meta Materials slow-wave structure,
Electromagnetic Wave Propagation path is added, has delayed controlling electromagnetic wave phase velocity, it is not necessary to is further added by the path of dimension to realize that slow wave can be produced
Raw Slow-wave effect.
Brief description of the drawings
Fig. 1 is the partial schematic diagram according to the utility model one embodiment array antenna；
Fig. 2 is the schematic diagram according to the utility model one embodiment construction unit；
Fig. 3 is the top view of embodiment illustrated in fig. 2 construction unit；
Fig. 4 is the top view according to the utility model one embodiment Meta Materials slow-wave structure；
Fig. 5 is the schematic diagram that minor matters are radiated according to the utility model one embodiment；
Fig. 6 is the schematic diagram according to the utility model another embodiment radiation minor matters.
Embodiment
Below with reference to accompanying drawing, embodiment of the present utility model is described in detail.
As shown in Figures 1 to 4, one embodiment of the present utility model provides a kind of array antenna.The array antenna is extremely
Few Meta Materials slow-wave structure 3 for including being sequentially stacked, parallel-plate waveguide 2 and radiation minor matters 1,2 one surfaces of parallel-plate waveguide
It is connected with Meta Materials slow-wave structure 3, another surface is connected with radiation minor matters 1, wherein, Meta Materials slow-wave structure 3 is included each other
The construction unit of layer structure is interconnected so as to form, each construction unit includes sinusoidal paster 31, reflecting plate 33 and is located at
Therebetween medium substrate 32 a, surface of medium substrate 32 is connected with sinusoidal paster 31, another surface and reflecting plate
33 connections, wherein, sinusoidal paster 31 is set towards parallel-plate waveguide 2.
That is, in the above-described embodiments, sinusoidal paster 31 is interposed between medium substrate 32 and parallel-plate waveguide 2.
The Meta Materials slow-wave structure 3 for the plane that sinusoidal paster 31, medium substrate 32 and reflecting plate 33 are collectively constituted is located at array antenna
Bottom, Meta Materials slow-wave structure 3 be sequentially arranged above parallel-plate waveguide 2 and radiation minor matters 1.
In the above-described embodiments, traditional slow-wave structure is replaced using the Meta Materials slow-wave structure 3 of plane, processing is simple,
Flexible design is convenient, and array antenna can be made to have bigger design space in terms of conformal and size；In addition, the plane
Meta Materials slow-wave structure 3 can shorten the spacing between array antenna unit so that its spacing is less than wavelength, can keep away
Exempt from the problem of graing lobe occurs in array antenna；Furthermore, due to being provided with sinusoidal paster 31 in Meta Materials slow-wave structure 3, add
Electromagnetic Wave Propagation path, has delayed controlling electromagnetic wave phase velocity, it is not necessary to be further added by the path of dimension to realize that slow wave can produce slow wave
Effect.
Further, as shown in Figures 2 and 3, according to one embodiment of the present utility model, sinusoidal paster 31 is plane
Structure member, it is symmetrical to be fitted on a surface of medium substrate, sinusoidal paster lower contour, and upper lower contour is half
The sine wave curve in cycle.The setting of this sinusoidal paster 31 can shorten the spacing between array antenna unit so that therebetween
Away from less than one wavelength, the condition for avoiding graing lobe from occurring is met.Also, sinusoidal paster 31 can add Electromagnetic Wave Propagation road
Footpath, has delayed controlling electromagnetic wave phase velocity, is with traditional slow-wave structure difference：The path of dimension need not be further added by realize
Slow wave.Therefore, this Meta Materials slow-wave structure is being processed, cost, is had a clear superiority in general character.
In addition, it should also be appreciated that, in addition to the implementation, sinusoidal paster 31 may be configured to other shapes
Shape, such as upper lower contour is half period by the shape for the ripple being superimposed.Depending on this can be according to particular condition in use, this
Utility model is not defined to its concrete shape, it is only necessary to can extend electromagnetic wave propagation path.
In addition, the said structure of the above-mentioned sinusoidal paster 31 enumerated is the possible slow-wave structure of the utility model, its chi
Very little, thickness and material can suitably be adjusted according to frequency range demand.For example, according to one embodiment of the present utility model,
The length of sinusoidal paster 31 is the 1/4-1/3 of the working frequency range wavelength of array antenna.
It is also to be noted that the size of the amplitude of sinusoidal paster 31 can be according to its working frequency range and required slow wave
Coefficient is determined, it is necessary to which slow wave effect is big, it is possible to increase its amplitude, on the contrary then reduce.Not to its specific amplitude model in the utility model
Enclose and be defined.
Further, according to another embodiment of the present utility model, sinusoidal paster 31 is the sinusoidal paster of metal.
According to one embodiment of the present utility model, medium substrate 32 is Rogers's sheet material or F4B (polytetrafluoroethylene (PTFE)).When
So, of different sizes according to band requirement and loss, the material of medium substrate 32 can have other conversion, and the utility model is no longer
It is enumerated.
According to one embodiment of the present utility model, reflecting plate 33 is metallic reflection plate.
Such as Fig. 2 to Fig. 4, according to one embodiment of the present utility model, construction unit is configured to rectangular parallelepiped structure, and institute
There is building block array arrangement.That is, in the above-described embodiments, the construction unit transverse and longitudinal alignment of Meta Materials slow-wave structure 3
Arrangement.
Certainly, also it should be appreciated that, said structure unit can also have other arrangement modes.For example,
In one embodiment of the present utility model, construction unit is configured to the cylinder that end face is pentagon or hexagon, also, structure list
Member connects to each other to form the layer structure of honeycomb shape.Certainly, said structure unit can also can each other be connected using other
The shape to form layer structure is connect, the utility model is not limited to this.
According to one embodiment of the present utility model, sinusoidal paster 31 on lower contour it is symmetrical on central axis, phase
The central axis of sinusoidal paster 31 in adjacent two construction units is overlapped or parallel.
As shown in figure 5, according to one embodiment of the present utility model, radiation minor matters 1 it is so structured that with step-like outer
Surface.Or, as shown in fig. 6, in another embodiment, radiation minor matters 1 can also be configured with the square protruding in gap.
Or, according to another alternative embodiment of the present utility model, as shown in figure 1, radiation minor matters 1 can be shaped as T
Character form structure, and the horizontal edge of T-shaped structure is connected with parallel-plate waveguide 2.That is, radiation minor matters 1 are it is so structured that fall
The T-shaped structure put simultaneously is connected with parallel-plate waveguide 2.
According to one embodiment of the present utility model, radiation minor matters 1 it is so structured that the plastics of metal or surface metalation.
In the above-described embodiments, the amplitude size of the sinusoidal paster 31 of rational design, and adjacent structural units distribution feelings
Condition, can be very good to control electromagnetic wave propagation phase velocity, electromagnetic wave is realized a kind of effect of slow wave in parallel-plate waveguide 2,
Adjusted with the spacing for closing radiation branch section 1, the problem of graing lobe occurs in array antenna just can be very good to evade.
It is to be understood that the spacing of above-mentioned radiation minor matters 1 can be adjusted according to specifically used demand.Can at one
Select in embodiment, the spacing of radiation minor matters 1 is 0.7~0.9 wavelength, and graing lobe just occurs in more than one wavelength.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (12)
1. a kind of array antenna, it is characterised in that including：Meta Materials slow-wave structure (3), the parallel-plate waveguide (2) being sequentially stacked
And minor matters (1) are radiated, described (2) surfaces of parallel-plate waveguide are connected with the Meta Materials slow-wave structure (3), another table
Face is connected with the radiation minor matters (1),
Wherein, the Meta Materials slow-wave structure (3) includes being interconnected with one another to form the construction unit of layer structure, Mei Gesuo
Stating construction unit includes sinusoidal paster (31), reflecting plate (33) and medium substrate (32), one of the medium substrate (32)
Surface is connected with the sinusoidal paster (31), and another surface is connected with the reflecting plate (33),
Wherein, the sinusoidal paster (31) is set towards the parallel-plate waveguide (2).
2. array antenna according to claim 1, it is characterised in that the sinusoidal paster (31) is planarized structure portion
Part, it is symmetrical to be fitted on a surface of the medium substrate (32), the sinusoidal paster (31) lower contour, and it is described on
Lower contour is the sine wave curve of half period.
3. array antenna according to claim 1, it is characterised in that the sinusoidal paster (31) is the sinusoidal paster of metal.
4. array antenna according to claim 1, it is characterised in that the length of the sinusoidal paster (31) is the array
The 1/4-1/3 of the working frequency range wavelength of antenna.
5. array antenna according to claim 1, it is characterised in that the medium substrate (32) be Rogers's sheet material or
F4B。
6. array antenna according to claim 1, it is characterised in that the reflecting plate (33) is metallic reflection plate.
7. array antenna according to claim 1, it is characterised in that the construction unit is configured to rectangular parallelepiped structure, and
And all building block array arrangements.
8. array antenna according to claim 1, it is characterised in that the construction unit connects to each other to form honeycombed
The layer structure of shape.
9. array antenna according to claim 2, it is characterised in that the upper lower contour of the sinusoidal paster (31)
Symmetrical on central axis, the central axis of the sinusoidal paster (31) in the two neighboring construction unit is overlapped or parallel.
10. array antenna according to claim 1, it is characterised in that the radiation minor matters (1) are configured with step-like
Outer surface.
11. array antenna according to claim 1, it is characterised in that the radiation minor matters (1) are configured to T-shaped structure,
And the horizontal edge of the T-shaped structure is connected with the parallel-plate waveguide (2).
12. array antenna according to claim 1, it is characterised in that the radiation minor matters (1) are configured to metal or surface
The plastics of metallization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720011178.5U CN206412483U (en) | 2017-01-05 | 2017-01-05 | Array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720011178.5U CN206412483U (en) | 2017-01-05 | 2017-01-05 | Array antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206412483U true CN206412483U (en) | 2017-08-15 |
Family
ID=59554647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720011178.5U Expired - Fee Related CN206412483U (en) | 2017-01-05 | 2017-01-05 | Array antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206412483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155345A1 (en) * | 2019-01-31 | 2020-08-06 | 展讯通信（上海）有限公司 | Patch antenna unit and antenna in package structure |
-
2017
- 2017-01-05 CN CN201720011178.5U patent/CN206412483U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020155345A1 (en) * | 2019-01-31 | 2020-08-06 | 展讯通信（上海）有限公司 | Patch antenna unit and antenna in package structure |
| US11367943B2 (en) | 2019-01-31 | 2022-06-21 | Spreadtrum Communications (Shanghai) Co., Ltd. | Patch antenna unit and antenna in package structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2013016900A1 (en) | Man-made microstructure and artificial electromagnetic material | |
| CN102769198B (en) | Artificial electromagnetic material, radome and antenna system | |
| CN105470661B (en) | Millimeter wave double-layer double-frequency dual-polarized planar reflective array antenna | |
| CN104752840B (en) | A kind of Terahertz broadband random surface | |
| CN106033846A (en) | Polarization switching surface based on sub-wavelength harmonic structure | |
| CN103647152B (en) | Broadband polarization insensitive meta-material wave absorber | |
| CN206412483U (en) | Array antenna | |
| CN103490169A (en) | Single-layered broadband random surface | |
| CN103094709A (en) | Wave-absorbing metamaterial | |
| CN204680754U (en) | A kind of Terahertz broadband random surface | |
| CN203553345U (en) | Antenna reflecting plate and high-gain antenna | |
| CN109799551B (en) | Fully-polarized and ultra-wideband electromagnetic wave angle selection transparent structure | |
| CN107331970A (en) | A kind of super surface of two waveband high wave transmission rate | |
| CN108832304B (en) | Ultrahigh frequency two-phase modulation board with dual-polarized frequency selection surface and use method thereof | |
| Wang et al. | Multi-octave radar cross section reduction via integrated dispersion engineering of polarization-conversion metasurface and metamaterial absorber | |
| CN107046179B (en) | Adjustable dielectric super surface | |
| CN113161754A (en) | Ultra-wideband diffuse reflection super surface | |
| CN102723598A (en) | Metamaterial microwave antenna cover and antenna system | |
| WO2012171294A1 (en) | Artificial microstructure and artificial electromagnetic material using same | |
| CN207021383U (en) | A kind of super surface of two waveband high wave transmission rate | |
| CN206628602U (en) | A kind of ultra-wideband dualbeam electrical tilt antenna | |
| CN102637959B (en) | Metamaterial with dielectric substrate with nonuniform thickness | |
| CN204243207U (en) | For antenna surface and the metamaterial flat antenna of metamaterial flat antenna | |
| CN202487767U (en) | Metamaterial antenna housing with wave filtering function | |
| CN210926346U (en) | Quadralobe flower type electromagnetic wave polarization modulator based on super surface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190807 Address after: 518000 Guangdong city of Shenzhen province Nanshan District South Road West Guangxi Temple northbound sun Huayi Building 1 15D-02F Patentee after: Shenzhen Guangqi Hezhong Technology Co., Ltd. Address before: Bantian street Longgang District of Shenzhen City, Guangdong province 518000 Jihua Road, the new world Huasai Industrial Area No. 2, building 101 (two floor) 201 Patentee before: SHENZHEN CHAOJI DATA CHAIN TECHNOLOGY CO., LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20210105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |