CN108270072A - low profile antenna - Google Patents
low profile antenna Download PDFInfo
- Publication number
- CN108270072A CN108270072A CN201611254941.3A CN201611254941A CN108270072A CN 108270072 A CN108270072 A CN 108270072A CN 201611254941 A CN201611254941 A CN 201611254941A CN 108270072 A CN108270072 A CN 108270072A
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- Prior art keywords
- parallel
- plate waveguide
- waveguide
- low profile
- profile antenna
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- 230000005855 radiation Effects 0.000 claims abstract description 24
- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000000919 ceramic Substances 0.000 claims description 3
- 150000001336 alkenes Chemical class 0.000 claims 1
- 238000004891 communication Methods 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 235000019687 Lamb Nutrition 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The invention discloses a kind of low profile antenna, which includes：Work(divides feed section；Parallel-plate waveguide, work(divide feed section connect with parallel-plate waveguide and with the side surface coupling of parallel-plate waveguide；And gap radiation layer, including multiple plane gap waveguides, gap radiation layer is covered in the upper plane of parallel-plate waveguide and is coupled with the upper plane of parallel-plate waveguide；Wherein, work(point feed section forms conversion of the input rectangular waveguide to parallel-plate waveguide by way of parallelly feeding；And parallel-plate waveguide is used to feed to gap radiation layer.The present invention forms gap radiation layer by using a lower height of parallel-plate waveguide and in parallel-plate waveguide top planes, can reduce the profile elevations h of antenna, so as to more low section；The mode of parallelly feeding designs simply and impedance band is wider, and antenna can be made to have broad frequency band.
Description
Technical field
The present invention relates 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, need antenna that there is small, weight
Gently, the characteristics of function is complete.
In existing Antenna Design, beam scanning is all carried out in horizontal and pitch orientation in order to realize, this just needs day
Line can rotate in the horizontal direction with pitch orientation；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, occurs much being used for communication in moving (satellite on the move in the market
Face station communicates) antenna product of system.Communication in moving technology be on the mobile vehicles such as such as automobile, naval vessel, aircraft, guided missile at any time
Everywhere with satellite communication.And antenna is the key that one of communication in moving technology.Need are applied according 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, such as the companies such as Trackstar is dynamic
In lead to antenna product.But the section of these antenna for satellite communication in motion products is all higher.
For antenna section in the relevant technologies it is higher the problem of, currently no effective solution has been proposed.
Invention content
For antenna section in the relevant technologies it is higher the problem of, the present invention proposes a kind of low profile antenna, can have more
Low section.
The technical proposal of the invention is realized in this way：
According to an aspect of the invention, there is provided a kind of low profile antenna, including：Work(divides feed section；
Parallel-plate waveguide, work(divide feed section connect with parallel-plate waveguide and with the side surface coupling of parallel-plate waveguide；And
Gap radiation layer, including multiple plane gap waveguides, gap radiation layer is covered in the upper plane of parallel-plate waveguide and and parallel-plate
Wherein, work(point feed section forms input rectangular waveguide to parallel Lamb wave by way of parallelly feeding for the upper plane coupling of waveguide
The conversion led；And parallel-plate waveguide is used to feed to gap radiation layer.
Preferably, gap radiation layer is CTS radiating layers.
Preferably, the inside of parallel-plate waveguide is Filled Dielectrics.
Preferably, medium includes：Any one among FR4, F4B, polytetrafluoroethylene (PTFE) and ceramics.
Preferably, the inside of parallel-plate waveguide is filled for air.
Preferably, the lateral minor matters that CTS radiating layers include multiple spaced sets and are mutually parallel are radiated with being formed
Plane gap waveguide.
Preferably, work(point feed section includes：Cascade multiple power splitters.
Preferably, work(point feed section further includes：Multiple coupling units, multiple coupling units are connected respectively in multiple
Between afterbody power splitter and parallel-plate waveguide, for by the multiple afterbody power splitters and parallel-plate in multiple power splitters
Waveguide is coupled.
Preferably, multiple power splitters are T shape power splitters.
Preferably, the section of multiple lateral minor matters is rectangle.
The present invention forms gap spoke by using a lower height of parallel-plate waveguide and in parallel-plate waveguide top planes
Layer is penetrated, the profile elevations h of antenna can be reduced, so as to more low section；The mode of parallelly feeding designs simple and impedance band
It is wider, it can make antenna that there is broad frequency band.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
It should be noted that these attached drawings be intended to the method for showing to use in certain exemplary embodiments, structure and/
Or the general characteristic of material, and for supplementing word description presented below.However, these attached 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 range of attribute be defined or limit.What is used in multiple attached drawings is similar
Or identical reference label is intended to suggest that similar or identical element or component.
Fig. 1 is the schematic top plan view of low profile antenna according to embodiments of the present invention；
Fig. 2 is the schematic side view of Fig. 1；
Fig. 3 is the analogous diagram in the E faces direction of low profile antenna according to embodiments of the present invention.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art's all other embodiments obtained belong to what the present invention protected
Range.
According to an embodiment of the invention, a kind of low profile antenna is provided.
As depicted in figs. 1 and 2, low profile antenna according to embodiments of the present invention includes：Work(divides feed section 10, divides with work(
Feed section 10 connect parallel-plate waveguide 20 and be covered in parallel-plate waveguide 20 upper plane gap radiation layer 30；Its
In, work(point feed section 10 forms conversion of the input rectangular waveguide 40 to parallel-plate waveguide 20 by way of parallelly feeding；It is flat
For plate waveguide 20 for being fed to gap radiation layer 30, gap radiation layer 30 includes multiple plane gap waveguides.Work(divides current feed department
Divide 10 side surface couplings from parallel-plate waveguide 20, gap radiation layer 30 is then coupled with the upper plane of parallel-plate waveguide 20.
Above-mentioned technical proposal, by using a lower height of parallel-plate waveguide 20 and in 20 top planes of parallel-plate waveguide
Upper formation gap radiation layer 30 can reduce the profile elevations h of antenna, so as to more low section；The mode of parallelly feeding designs
Simple and impedance band is wider, and antenna can be made to have broad frequency band.
The low profile antenna of the present invention can also include other slave parts, such as can include the branch of parallel-plate waveguide 20
Support part point, the fastening part of peripheral structure and interface conversion part etc.；The material of each section of the low profile antenna of the present invention
Connection between and its can be selected suitably, such as work(divides feed section 10 that can be all-metal machined structure, passes through spiral shell
The modes such as nail, welding or grafting and parallel-plate waveguide 20 are attached；Gap radiation layer 30 can be fixed by modes such as gluing knots
It is covered in parallel-plate waveguide 20.
Rectangular waveguide is with the cavity of rectangular cross-section made of metal material, interior empty outer closure, can be used for transmitting pin
The very high electromagnetic wave signal of rate can make attenuation very little of the electromagnetic wave of high frequency in transmission process.Electromagnetic wave is by longitudinal field point
The presence or absence of amount can be divided into three kinds of TE waves, TM waves and TEM waves, can only transmit TE ripple and TM ripple in rectangular waveguide and cannot transmit
TEM waves.Therefore it needs to complete conversion of the input rectangular waveguide 40 to parallel-plate waveguide 20 by work(point feed section 10.
Specifically, in practical engineering application, the main mould of rectangular waveguide is TE10Mould, work(divide feed section 10 to realize rectangle
The TE of waveguide 4010Mould to the TEM waves 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 waves is radiated what is specified by the gap radiation layer 30 including multiple plane gap waveguides
Region.
According to one embodiment of present invention, work(point feed section 10 includes：Multiple power splitters of multi-stage cascade.According to reality
Power splitter can be designed to repetitional structure or a certain proportion of not grade work(separation structure by border demand.
Preferably, multiple power splitters are T shapes power splitter 11, realize the function of one-to-two.Previous stage T shapes power splitter 11
Output terminal is connected to the input terminal of rear stage T shapes power splitter 11.It is cascade that Fig. 1 is illustrated that work(point feed section 10 includes level Four
The situation of multiple T shapes power splitters 11 in practical application, can be arranged as required to the particular number of power splitter multi-stage cascade.Work(point
The tuning manner of the bifurcation of device can be using structures such as screw, rectangular recess, semi-circular recesses, triangular grooves.
According to one embodiment of present invention, work(point feed section 10 further includes：Multiple coupling units 12, multiple coupling parts
12 are divided to be connected respectively 20 between multiple afterbody power splitters and parallel-plate waveguide, for multiple afterbodies to be cascaded
Power splitter coupled with parallel-plate waveguide 20.
According to one embodiment of present invention, gap radiation layer for CTS (Continue Transverse Stub, continuously
Lateral minor matters) radiating layer.Further, CTS radiating layers include multiple spaced sets and the lateral minor matters 31 that are mutually parallel with
Form the plane gap waveguide 32 radiated.CTS radiating layers in parallel-plate waveguide 20 by setting continuous multiple transverse directions
Minor matters 31, the section of plurality of transverse direction minor matters 31 is rectangle.Multiple transverse direction minor matters 31 cause the TEM waves along longitudinal propagation
It is blocked, and displacement current is induced between lateral minor matters 31 by continuous lateral minor matters 31, the displacement current is in lateral branch
It saves 31 surroundings and has encouraged equivalent electric field, and radiation field.CTS antennas have light-weight, simple in structure, radiation efficiency it is high with
And the advantages that at low cost, the position distribution for adjusting lateral minor matters 31 can be to the beam angle and pair of the low profile antenna of the present invention
Valve level is controlled.
According to one embodiment of present invention, the inside of parallel-plate waveguide 20 can be that air is filled.It is filled out using no medium
The parallel-plate waveguide of i.e. air filling is filled, there can be relatively low transmission loss, the overall weight of antenna can be mitigated.
According to one embodiment of present invention, the inside of parallel-plate waveguide 20 can be Filled Dielectrics.
Further, the low loss dielectrics materials such as FR4, F4B, polytetrafluoroethylene (PTFE) and ceramics can be included for the medium of filling
Any one among material.
As shown in figure 3, it is the analogous diagram in the E faces direction of low profile antenna according to embodiments of the present invention, wherein abscissa
Theta represents azimuthal angle (deg), and ordinate Gain represents gain.As can be seen from Figure 3 low section day of the invention
The directionality of beta radiation is fine, and the coordinate of main lobe vertex m points is (0,31.5453), i.e. gain can reach 31.5dB.The present invention
Low profile antenna can be applied in communication in moving system.
In conclusion by means of the above-mentioned technical proposal of the present invention, by using a lower height of parallel-plate waveguide 20, simultaneously
Gap radiation layer 30 is formed in 20 top planes of parallel-plate waveguide, the profile elevations h of antenna can be reduced, so as to lower
Section, from cross-section structure as can be seen that the profile elevations h of entire antenna is only higher by one layer of radiating layer, entire product than slab guide
Into the structure of hither plane；The mode of parallelly feeding designs simply and impedance band is wider, and antenna can be made to have broad frequency band.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of low profile antenna, which is characterized in that including：
Work(divides feed section；
Parallel-plate waveguide, the work(divide feed section connect with the parallel-plate waveguide and with the side surface coupling of parallel-plate waveguide；
And
Gap radiation layer, including multiple plane gap waveguides, the gap radiation layer is covered in the upper plane of parallel-plate waveguide simultaneously
It is coupled with the upper plane of the parallel-plate waveguide；
Wherein, the work(point feed section forms input rectangular waveguide to the parallel-plate waveguide by way of parallelly feeding
Conversion；And
The parallel-plate waveguide is used to feed to the gap radiation layer.
2. low profile antenna according to claim 1, which is characterized in that the gap radiation layer is CTS radiating layers.
3. low profile antenna according to claim 1, which is characterized in that the inside of the parallel-plate waveguide is filled out for medium
It fills.
4. low profile antenna according to claim 3, which is characterized in that the medium includes：FR4, F4B, polytetrafluoroethyl-ne
Alkene and any one among ceramics.
5. low profile antenna according to claim 1, which is characterized in that the inside of the parallel-plate waveguide is filled out for air
It fills.
6. low profile antenna according to claim 2, which is characterized in that the CTS radiating layers include spaced set and
The multiple lateral minor matters being mutually parallel are to form the plane gap waveguide radiated.
7. low profile antenna according to claim 1, which is characterized in that the work(point feed section includes：It is cascade more
A power splitter.
8. low profile antenna according to claim 7, which is characterized in that the work(point feed section further includes：
Multiple coupling units, the multiple coupling unit are connected respectively in multiple afterbody power splitters and the parallel-plate
Between waveguide, for the multiple afterbody power splitter in the multiple power splitter and the parallel-plate waveguide to be carried out coupling
It closes.
9. low profile antenna according to claim 7, which is characterized in that the multiple power splitter is T shape power splitters.
10. low profile antenna according to claim 6, which is characterized in that the section of the multiple transverse direction minor matters is square
Shape.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254941.3A CN108270072A (en) | 2016-12-30 | 2016-12-30 | low profile antenna |
| PCT/CN2017/115811 WO2018121256A1 (en) | 2016-12-30 | 2017-12-13 | Low profile antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254941.3A CN108270072A (en) | 2016-12-30 | 2016-12-30 | low profile antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108270072A true CN108270072A (en) | 2018-07-10 |
Family
ID=62754571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611254941.3A Pending CN108270072A (en) | 2016-12-30 | 2016-12-30 | low profile antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108270072A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649388A (en) * | 2019-10-10 | 2020-01-03 | 东南大学 | Low loss feed network and high efficiency antenna device |
| CN113471716A (en) * | 2021-09-06 | 2021-10-01 | 华南理工大学 | Holographic antenna, control method, computer device, and storage medium |
| CN113488769A (en) * | 2020-06-30 | 2021-10-08 | 浙江大学 | Parallel plate waveguide power divider and CTS antenna |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414027A (en) * | 2013-07-18 | 2013-11-27 | 北京遥测技术研究所 | Wide band single pulse flat plate slot array antenna |
| CN105529524A (en) * | 2014-09-29 | 2016-04-27 | 北京天工开正科技有限责任公司 | Air filling-based parallel-plate waveguide structure array antenna |
| CN206313131U (en) * | 2016-12-30 | 2017-07-07 | 深圳超级数据链技术有限公司 | Low profile antenna |
-
2016
- 2016-12-30 CN CN201611254941.3A patent/CN108270072A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414027A (en) * | 2013-07-18 | 2013-11-27 | 北京遥测技术研究所 | Wide band single pulse flat plate slot array antenna |
| CN105529524A (en) * | 2014-09-29 | 2016-04-27 | 北京天工开正科技有限责任公司 | Air filling-based parallel-plate waveguide structure array antenna |
| CN206313131U (en) * | 2016-12-30 | 2017-07-07 | 深圳超级数据链技术有限公司 | Low profile antenna |
Non-Patent Citations (1)
| Title |
|---|
| 江彪: ""平板波导CTS天线的设计"", 《中国优秀硕士学位论文全文数据库》, pages 9 - 59 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649388A (en) * | 2019-10-10 | 2020-01-03 | 东南大学 | Low loss feed network and high efficiency antenna device |
| CN113488769A (en) * | 2020-06-30 | 2021-10-08 | 浙江大学 | Parallel plate waveguide power divider and CTS antenna |
| CN113488769B (en) * | 2020-06-30 | 2024-03-12 | 浙江大学 | Parallel plate waveguide power divider and CTS antenna |
| CN113471716A (en) * | 2021-09-06 | 2021-10-01 | 华南理工大学 | Holographic antenna, control method, computer device, and storage medium |
| CN113471716B (en) * | 2021-09-06 | 2022-01-11 | 华南理工大学 | Holographic antenna, control method, computer device, and storage medium |
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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 Applicant after: Shenzhen Guangqi Hezhong Technology Co., Ltd. Applicant after: Shenzhen Kuang-Chi Innovation 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 Applicant before: SHENZHEN CHAOJI DATA CHAIN TECHNOLOGY CO., LTD. Applicant before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |