CN206364191U - Low profile antenna - Google Patents
Low profile antenna Download PDFInfo
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- CN206364191U CN206364191U CN201621475711.5U CN201621475711U CN206364191U CN 206364191 U CN206364191 U CN 206364191U CN 201621475711 U CN201621475711 U CN 201621475711U CN 206364191 U CN206364191 U CN 206364191U
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- parallel
- plate waveguide
- plate
- waveguide
- low profile
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Abstract
The utility model discloses a kind of low profile antenna, the low profile antenna includes：Parallel-plate waveguide, the thickness of the infrabasal plate of parallel-plate waveguide is linearly increasing to be internally formed inclined surface in parallel-plate waveguide；And gap radiation layer, it is covered in the upper substrate of parallel-plate waveguide；Wherein parallel-plate waveguide is fed to gap radiation layer.The utility model forms gap radiation layer by using the relatively low parallel-plate waveguide of profile and in parallel-plate waveguide, can reduce the profile elevations h of antenna, so that with more low section；By being internally formed inclined surface in parallel-plate waveguide, when making the surface sweeping angulation change of antenna, the amplitude of gain reduction is reduced.
Description
Technical field
The utility model is related to antenna technical field, it particularly relates to a kind of low profile antenna.
Background technology
In a wireless communication system, in order to realize flexible, convenient means of communication, it is necessary to which antenna has small volume, weight
Gently, the characteristics of function is complete.
In existing Antenna Design, beam scanning is all carried out in level and pitch orientation in order to realize, this is accomplished by day
Line can be rotated with pitch orientation in the horizontal direction；Can also the pitch orientation of antenna itself do not rotate, and utilize phase
Battle array technology is controlled to realize beam scanning.With regard to current demand, in the market, which is occurred in that, is much used for communication in moving (satellite on the move
Face station communicates) antenna product of system.Communication in moving technology be such as automobile, naval vessel, aircraft, guided missile on mobile vehicle at any time
Everywhere with satellite communication.And antenna is one of key of communication in moving technology.According to the application need to communication in moving system antenna product
Ask, low section, it is easily conformal be its developing direction.
The existing antenna product for communication in moving has high, medium and low three kinds of sections, and the company such as Trackstar is moved
In lead to antenna product.But the section of these antenna for satellite communication in motion products is all higher.
For antenna section in correlation technique it is higher the problem of, effective solution is not yet proposed at present.
Utility model content
For antenna section in correlation technique it is higher the problem of, the utility model proposes a kind of low profile antenna, can have
There is more low section.
What the technical solution of the utility model was realized in：
According to one side of the present utility model there is provided a kind of low profile antenna, including：Parallel-plate waveguide, parallel-plate
The thickness of the infrabasal plate of waveguide is linearly increasing to be internally formed inclined surface in parallel-plate waveguide；And gap radiation layer, cover
It is placed on the upper substrate of parallel-plate waveguide；Parallel-plate waveguide is fed to gap radiation layer.
Preferably, the maximum gauge of the infrabasal plate of parallel-plate waveguide is less than the upper substrate and parallel-plate waveguide of parallel-plate waveguide
Infrabasal plate between ultimate range.
Preferably, in addition to：Work(point feed section, is connected to the first side of parallel-plate waveguide, work(point feed section passes through
The mode of parallelly feeding forms input rectangular waveguide to the conversion of parallel-plate waveguide；Wherein, the thickness of the infrabasal plate of parallel-plate waveguide
Degree is linearly increasing on the direction by the first side to the second relative side.
Preferably, gap radiation layer is CTS radiating layers.
Preferably, work(point feed section includes：Multiple power splitters of cascade.
Preferably, the inside of parallel-plate waveguide is Filled Dielectrics.
Preferably, the inside of parallel-plate waveguide is filled for air.
Preferably, medium includes：Any one among FR4, F4B, polytetrafluoroethylene (PTFE) and ceramics.
Preferably, work(point feed section also includes：Multiple coupling units, multiple coupling units are connected respectively in multiple
Between afterbody power splitter and parallel-plate waveguide, and by the multiple afterbody power splitters and parallel Lamb wave in multiple power splitters
Lead and coupled.
Preferably, multiple power splitters are T-shaped power splitter.
The utility model forms gap radiation by using the relatively low parallel-plate waveguide of profile and in parallel-plate waveguide
Layer, can reduce the profile elevations h of antenna, so that with more low section；By being internally formed nauropemeter in parallel-plate waveguide
Face, when making the surface sweeping angulation change of antenna, reduces the amplitude of gain reduction.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
It should be noted that these accompanying drawings be intended to show to use in some exemplary embodiments method, structure and/
Or the general characteristic of material, and for supplementing word description presented below.However, these accompanying drawings are not proportional paint
System, and the precision architecture or performance characteristics of any given embodiment can not possibly be accurately reacted, and be not construed as leading to
Cross exemplary embodiment to comprising meaning or the scope of attribute be defined or limit.What is used in multiple accompanying drawings is similar
Or identical reference number is intended to suggest that similar or identical element or part.
Fig. 1 is the schematic top plan view of the low profile antenna according to the utility model embodiment；
Fig. 2 is Fig. 1 schematic side view；
Fig. 3 is the analogous diagram in the E faces direction according to the low profile antenna of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art are obtained all belongs to
The scope protected in the utility model.
According to embodiment of the present utility model, there is provided a kind of low profile antenna.
As depicted in figs. 1 and 2, included according to the low profile antenna of the utility model embodiment：Parallel-plate waveguide 20, and
Gap radiation layer 30, gap radiation layer 30 is covered on the upper substrate 21 of parallel-plate waveguide 20.Wherein under parallel-plate waveguide 20
The thickness of substrate 22 is linearly increasing to be internally formed inclined surface in parallel-plate waveguide 20；Parallel-plate waveguide 20 is to gap radiation
Layer 30 is fed.
Above-mentioned technical proposal, forms seam by using the relatively low parallel-plate waveguide 20 of profile and in parallel-plate waveguide 20
Gap radiating layer 30, can reduce the profile elevations h of antenna, so that with more low section；Pass through the inside shape in parallel-plate waveguide 20
Into inclined surface, make low profile antenna of the present utility model in surface sweeping angulation change, reduce the amplitude of gain reduction.
According to one embodiment of the present utility model, the maximum gauge of the infrabasal plate of parallel-plate waveguide is less than parallel-plate waveguide
Upper substrate and parallel-plate waveguide infrabasal plate between ultimate range.
According to one embodiment of the present utility model, in addition to：Work(point feed section 10, is connected to parallel-plate waveguide 20
First side, and work(point feed section 10, from the first side coupling of parallel-plate waveguide 20, work(point feed section 10 passes through parallelly feeding
Mode formed input rectangular waveguide 40 to parallel-plate waveguide 20 conversion；Wherein, the thickness of the infrabasal plate 22 of parallel-plate waveguide 20
Degree is linearly increasing on the direction by the first side to the second relative side.The mode of parallelly feeding design simple and impedance band compared with
Width, can make antenna have broad frequency band.Rectangular waveguide is rectangular cross-section, the chamber of interior empty outer closure being made of metal material
Body, can be used for transmission frequency very high electromagnetic wave signal, can make decay very little of the electromagnetic wave of high frequency in transmitting procedure.
Electromagnetic wave can be divided into three kinds of TE ripples, TM ripples and TEM ripples by the presence or absence of longitudinal field component, can only be transmitted in rectangular waveguide TE ripples and
TM ripples and TEM ripples can not be transmitted.Therefore need to complete input rectangular waveguide 40 to parallel-plate waveguide by work(point feed section 10
20 conversion.
Specifically, in practical engineering application, the main mould of rectangular waveguide is TE10Mould, work(point feed section 10 realizes rectangle
The TE of waveguide 4010Mould to the TEM ripples of parallel-plate waveguide 20 conversion, while rectangular waveguide 40 by parallel-plate waveguide 20 to gap
Radiating layer 30 is fed, and then the energy of TEM ripples is radiated what is specified by the layer of the gap radiation including multiple plane gap waveguides 30
Region.
Low profile antenna of the present utility model can also include other slave parts, for example, can include parallel-plate waveguide 20
Support section, the fastening part of peripheral structure and interface conversion part etc.；Each portion of low profile antenna of the present utility model
Point material and its between connection can suitably select, for example work(point feed section 10 can be machined knot for all-metal
Structure, is attached by the modes such as screw, welding or grafting and parallel-plate waveguide 20；Gap radiation layer 30 can pass through gluing knot etc.
Mode, which is fixed, to be covered in parallel-plate waveguide 20.
According to one embodiment of the present utility model, work(point feed section 10 includes：Multiple power splitters of multi-stage cascade.Root
According to actual demand, power splitter can be designed to repetitional structure or a certain proportion of work(separation structure such as not.
Preferably, multiple power splitters are T-shaped power splitter 11.The output end of previous stage T-shaped power splitter 11 is connected to latter
The input of level T-shaped power splitter 11.Fig. 1 is illustrated that work(point feed section 10 includes multiple T-shaped power splitters 11 that level Four is cascaded
Situation, in practical application, the particular number of power splitter multi-stage cascade can be arranged as required to.The tuning of the bifurcation of power splitter
Mode can be using structures such as screw, rectangular recess, semi-circular recesses, triangular grooves.
According to one embodiment of the present utility model, work(point feed section 10 also includes：Multiple coupling units 12, multiple couplings
Close part 12 to be connected respectively 20 between multiple afterbody power splitters and parallel-plate waveguide, can be used for will be multiple last
The power splitter of one-level cascade is coupled with parallel-plate waveguide 20.
According to one embodiment of the present utility model, gap radiation layer for CTS (Continue Transverse Stub,
Continuous transverse minor matters) radiating layer.Further, CTS radiating layers include multiple spaced sets and the horizontal minor matters being parallel to each other
The 31 plane gap waveguides 32 radiated with being formed.CTS radiating layers are continuous multiple by being set in parallel-plate waveguide 20
Horizontal minor matters 31, the section of plurality of horizontal minor matters 31 is rectangle.Multiple horizontal minor matters 31 cause along longitudinal propagation
TEM ripples are blocked by continuous horizontal minor matters 31, and induce displacement current between horizontal minor matters 31, and the displacement current is in horizontal stroke
Equivalent electric field, and radiation field have been encouraged to the surrounding of minor matters 31.CTS antennas have lightweight, simple in construction, radiation efficiency
High and low cost and other advantages, the position distribution of the horizontal minor matters 31 of adjustment can be to the wave beam of low profile antenna of the present utility model
Width and minor level are controlled.
According to one embodiment of the present utility model, the inside of parallel-plate waveguide 20 can be air filling.Using without Jie
Matter filling is the parallel-plate waveguide of air filling, can have relatively low transmission loss, can mitigate the overall weight of antenna.
According to one embodiment of the present utility model, the inside of parallel-plate waveguide 20 can be Filled Dielectrics.
Further, the medium for filling can include the low loss dielectric materials such as FR4, F4B, polytetrafluoroethylene (PTFE) and ceramics
Any one among material.
As shown in figure 3, being the analogous diagram in the E faces direction according to the low profile antenna of the utility model embodiment, wherein horizontal
Coordinate Theta represents azimuthal angle (deg), and ordinate Gain represents gain.As can be seen from Figure 3 it is of the present utility model
Very well, the coordinate of main lobe summit m points can reach the directionality of low profile antenna radiation for (0,31.5453), i.e. gain
31.5dB.Low profile antenna of the present utility model can apply in communication in moving system.
In summary, by means of above-mentioned technical proposal of the present utility model, by using the relatively low parallel-plate waveguide of profile
20 and gap radiation layer 30 is formed in parallel-plate waveguide 20, the profile elevations h of antenna can be reduced, so as to cut open with lower
Face；By being internally formed inclined surface in parallel-plate waveguide 20, low profile antenna of the present utility model is set to change in surface sweeping angle
During change, the amplitude of gain reduction is reduced.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of low profile antenna, it is characterised in that including：
Parallel-plate waveguide, the thickness of the infrabasal plate of parallel-plate waveguide is linearly increasing to be internally formed nauropemeter in parallel-plate waveguide
Face；And
Gap radiation layer, is covered in the upper substrate of the parallel-plate waveguide；Wherein described parallel-plate waveguide is to the gap radiation
Layer feed.
2. low profile antenna according to claim 1, it is characterised in that the maximum of the infrabasal plate of the parallel-plate waveguide is thick
Degree is less than the ultimate range between the upper substrate of the parallel-plate waveguide and the infrabasal plate of the parallel-plate waveguide.
3. low profile antenna according to claim 1, it is characterised in that also include：
Work(point feed section, is connected to the first side of the parallel-plate waveguide, and the work(point feed section passes through parallelly feeding
Mode forms input rectangular waveguide to the conversion of the parallel-plate waveguide；
Wherein, the thickness of the infrabasal plate of the parallel-plate waveguide is on the direction by first side to the second relative side
It is linearly increasing.
4. low profile antenna according to claim 1, it is characterised in that the gap radiation layer is CTS radiating layers.
5. low profile antenna according to claim 3, it is characterised in that the work(point feed section includes：What is cascaded is more
Individual power splitter.
6. low profile antenna according to claim 1, it is characterised in that the inside of the parallel-plate waveguide is filled out for medium
Fill.
7. low profile antenna according to claim 1, it is characterised in that the inside of the parallel-plate waveguide is filled out for air
Fill.
8. low profile antenna according to claim 6, it is characterised in that the medium includes：FR4, F4B, polytetrafluoroethyl-ne
Alkene and any one among ceramics.
9. low profile antenna according to claim 5, it is characterised in that the work(point feed section also includes：
Multiple coupling units, the multiple coupling unit is connected respectively in multiple afterbody power splitters and the parallel-plate
Between waveguide, and the multiple afterbody power splitter in the multiple power splitter and the parallel-plate waveguide are subjected to coupling
Close.
10. low profile antenna according to claim 5, it is characterised in that the multiple power splitter is T-shaped power splitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475711.5U CN206364191U (en) | 2016-12-30 | 2016-12-30 | Low profile antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621475711.5U CN206364191U (en) | 2016-12-30 | 2016-12-30 | Low profile antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364191U true CN206364191U (en) | 2017-07-28 |
Family
ID=59378337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621475711.5U Expired - Fee Related CN206364191U (en) | 2016-12-30 | 2016-12-30 | Low profile antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206364191U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270084A (en) * | 2016-12-30 | 2018-07-10 | 深圳超级数据链技术有限公司 | low profile antenna |
-
2016
- 2016-12-30 CN CN201621475711.5U patent/CN206364191U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108270084A (en) * | 2016-12-30 | 2018-07-10 | 深圳超级数据链技术有限公司 | low profile antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190809 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. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20201230 |
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| CF01 | Termination of patent right due to non-payment of annual fee |