CN108270084A - low profile antenna - Google Patents
low profile antenna Download PDFInfo
- Publication number
- CN108270084A CN108270084A CN201611254987.5A CN201611254987A CN108270084A CN 108270084 A CN108270084 A CN 108270084A CN 201611254987 A CN201611254987 A CN 201611254987A CN 108270084 A CN108270084 A CN 108270084A
- Authority
- CN
- China
- Prior art keywords
- parallel
- plate waveguide
- low profile
- waveguide
- profile antenna
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
-
- 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
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of low profile antenna, which includes：Parallel-plate waveguide, the thickness of the lower substrate of parallel-plate waveguide are linearly increasing in the inside of parallel-plate waveguide formation inclined surface；And gap radiation layer, it is covered in the upper substrate of parallel-plate waveguide；Parallel-plate waveguide is used to feed to gap radiation layer.The present invention 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 as to more low section；By forming inclined surface in the inside of parallel-plate waveguide, when making the surface sweeping angulation change of antenna, the amplitude of gain reduction is reduced.
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：Parallel-plate waveguide, parallel-plate waveguide
Lower substrate thickness it is linearly increasing with the inside of parallel-plate waveguide formed inclined surface；And gap radiation layer, it is covered in
The upper substrate of parallel-plate waveguide；Parallel-plate waveguide is used to feed to gap radiation layer.
Preferably, the maximum gauge of the lower substrate of parallel-plate waveguide is less than the upper substrate and parallel-plate waveguide of parallel-plate waveguide
Lower substrate between maximum distance.
Preferably, it further includes：Work(divides feed section, is connected to the first side of parallel-plate waveguide, and work(point feed section is used for
Conversion of the input rectangular waveguide to parallel-plate waveguide is formed by way of parallelly feeding；Wherein, the lower substrate of parallel-plate waveguide
Thickness it is linearly increasing on by the first side to the direction of opposite the second side.
Preferably, gap radiation layer is CTS radiating layers.
Preferably, work(point feed section includes：Cascade multiple power splitters.
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 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.
The present invention forms gap radiation layer, energy by using the relatively low parallel-plate waveguide of profile and in parallel-plate waveguide
The profile elevations h of antenna is enough reduced, so as to more low section；By forming inclined surface in the inside of parallel-plate waveguide, make day
During the surface sweeping angulation change of line, the amplitude of gain reduction is reduced.
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：Parallel-plate waveguide 20 and gap
Radiating layer 30, gap radiation layer 30 are covered on the upper substrate 21 of parallel-plate waveguide 20.The wherein lower substrate of parallel-plate waveguide 20
22 thickness is linearly increasing in the inside of parallel-plate waveguide 20 formation inclined surface；Parallel-plate waveguide 20 is used for 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 as to more low section；Pass through the inside shape in parallel-plate waveguide 20
Into inclined surface, the low profile antenna of the present invention is made to reduce the amplitude of gain reduction in surface sweeping angulation change.
According to one embodiment of present invention, the maximum gauge of the lower substrate of parallel-plate waveguide is less than the upper of parallel-plate waveguide
Maximum distance between substrate and the lower substrate of parallel-plate waveguide.
According to one embodiment of present invention, it further includes：Work(divides feed section 10, is connected to the first of parallel-plate waveguide 20
Side, and work(divides feed section 10 to be coupled from the first side of parallel-plate waveguide 20, work(point feed section 10 is used to pass through parallelly feeding
Mode formed input rectangular waveguide 40 to parallel-plate waveguide 20 conversion；Wherein, the thickness of the lower substrate 22 of parallel-plate waveguide 20
Degree is linearly increasing on by the first side to the direction of opposite the second side.The mode of parallelly feeding design simple and impedance band compared with
Width can make antenna have broad frequency band.Rectangular waveguide is the chamber with rectangular cross-section made of metal material, interior empty outer closure
Body can be used for the very high electromagnetic wave signal of transmission frequency, can make attenuation very little of the electromagnetic wave of high frequency in transmission process.
Electromagnetic wave can be divided into three kinds of TE waves, TM waves and TEM waves by the presence or absence of longitudinal field component, can only be transmitted in rectangular waveguide TE waves and
TM waves and TEM waves cannot be transmitted.Therefore it needs 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(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.
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.
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.The output terminal of previous stage T shapes power splitter 11 is connected to latter
The input terminal of grade T shapes power splitter 11.Fig. 1 is illustrated that work(point feed section 10 includes the cascade multiple T shapes power splitters 11 of level Four
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 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 the relatively low parallel-plate waveguide 20 of profile, simultaneously
Gap radiation layer 30 is formed in parallel-plate waveguide 20, the profile elevations h of antenna can be reduced, so as to more low section；Pass through
Inclined surface is formed in the inside of parallel-plate waveguide 20, the low profile antenna of the present invention is made to reduce and increase in surface sweeping angulation change
The amplitude of benefit attenuation.
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：
Parallel-plate waveguide, the thickness of the lower substrate of parallel-plate waveguide are linearly increasing in the inside of parallel-plate waveguide formation nauropemeter
Face；And
Gap radiation layer is covered in the upper substrate of the parallel-plate waveguide；The parallel-plate waveguide is used for the gap radiation
Layer feed.
2. low profile antenna according to claim 1, which is characterized in that the maximum of the lower substrate of the parallel-plate waveguide is thick
Degree is less than the maximum distance between the upper substrate of the parallel-plate waveguide and the lower substrate of the parallel-plate waveguide.
3. low profile antenna according to claim 1, which is characterized in that further include：
Work(divides feed section, is connected to the first side of the parallel-plate waveguide, and the work(divides feed section for being presented by parallel connection
The mode of electricity forms conversion of the input rectangular waveguide to the parallel-plate waveguide；
Wherein, the thickness of the lower substrate of the parallel-plate waveguide is on by first side to the direction of opposite the second side
It is linearly increasing.
4. low profile antenna according to claim 1, which is characterized in that the gap radiation layer is CTS radiating layers.
5. low profile antenna according to claim 3, which is characterized in that the work(point feed section includes：It is cascade more
A power splitter.
6. 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.
7. 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.
8. low profile antenna according to claim 6, which is characterized in that the medium includes：FR4, F4B, polytetrafluoroethyl-ne
Alkene and any one among ceramics.
9. low profile antenna according to claim 5, 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.
10. low profile antenna according to claim 5, which is characterized in that the multiple power splitter is T shape power splitters.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611254987.5A CN108270084A (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 |
|---|---|---|---|
| CN201611254987.5A CN108270084A (en) | 2016-12-30 | 2016-12-30 | low profile antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108270084A true CN108270084A (en) | 2018-07-10 |
Family
ID=62754557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611254987.5A Pending CN108270084A (en) | 2016-12-30 | 2016-12-30 | low profile antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108270084A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470652A (en) * | 2015-11-20 | 2016-04-06 | 北京遥测技术研究所 | Low-profile wide-angle scanning waveguide slot array antenna |
| CN105655720A (en) * | 2015-12-09 | 2016-06-08 | 上海大学 | Broad-band high-gain scannable panel antenna of parabolic reflection surface feeding |
| CN206364191U (en) * | 2016-12-30 | 2017-07-28 | 深圳超级数据链技术有限公司 | Low profile antenna |
-
2016
- 2016-12-30 CN CN201611254987.5A patent/CN108270084A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470652A (en) * | 2015-11-20 | 2016-04-06 | 北京遥测技术研究所 | Low-profile wide-angle scanning waveguide slot array antenna |
| CN105655720A (en) * | 2015-12-09 | 2016-06-08 | 上海大学 | Broad-band high-gain scannable panel antenna of parabolic reflection surface feeding |
| CN206364191U (en) * | 2016-12-30 | 2017-07-28 | 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 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111786090B (en) | Planar broadband transmission array antenna based on liquid crystal adjustable material | |
| US11355859B2 (en) | Metamatertial, antenna array having an aperture layer | |
| US20090174609A1 (en) | Stripline-type composite right/left-handed transmission line or left-handed transmission line, and antenna that uses same | |
| US11515639B2 (en) | Method and apparatus for an active radiating and feed structure | |
| CN107112623A (en) | Antenna module and unmanned vehicle | |
| US20200028260A1 (en) | Method and apparatus for wireless systems | |
| CN108321545A (en) | low profile antenna | |
| US20190356060A1 (en) | Method and apparatus for an orthogonal antenna array system | |
| CN108270072A (en) | low profile antenna | |
| Dai et al. | Compact Rotman lens structure configurations to support millimeter wave devices | |
| CN102723578B (en) | Satellite antenna for satellite communication in motion | |
| CN206441874U (en) | Low profile antenna | |
| CN206313132U (en) | Low profile antenna | |
| CN102820527B (en) | A kind of radar antenna and radar system | |
| CN206364191U (en) | Low profile antenna | |
| CN109411895B (en) | Three-layer spiral gap transmission unit and transmission array antenna | |
| CN102820526A (en) | Radar antenna and radar system | |
| CN206313131U (en) | Low profile antenna | |
| CN102820528A (en) | Radar antenna and radar system | |
| CN108270084A (en) | low profile antenna | |
| CN108270074A (en) | Low profile antenna | |
| CN206585071U (en) | Low profile antenna | |
| CN102820529A (en) | Radar antenna and radar system | |
| CN108270073A (en) | low profile antenna | |
| EP3918668B1 (en) | Leaky wave antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application 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 Applicant 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 Applicant before: SHENZHEN CHAOJI DATA CHAIN TECHNOLOGY CO., LTD. |
|
| TA01 | Transfer of patent application right |