CN108270074A - Low profile antenna - Google Patents
Low profile antenna Download PDFInfo
- Publication number
- CN108270074A CN108270074A CN201611261284.5A CN201611261284A CN108270074A CN 108270074 A CN108270074 A CN 108270074A CN 201611261284 A CN201611261284 A CN 201611261284A CN 108270074 A CN108270074 A CN 108270074A
- Authority
- CN
- China
- Prior art keywords
- parallel
- plate waveguide
- work
- low profile
- waveguide
- 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
- 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
-
- 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
- H01Q13/10—Resonant slot antennas
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of low profile antenna, which includes：Work(point feed section, the parallel-plate waveguide being connect with work(point feed section and the clearance type radiating layer for being covered in parallel-plate waveguide upper substrate；Work(point feed section simultaneously forms conversion of the input rectangular waveguide to parallel-plate waveguide by way of series feed；Parallel-plate waveguide is used to feed to clearance type radiating layer；The thickness of the lower substrate of parallel-plate waveguide is linearly increasing in the inside of parallel-plate waveguide formation inclined surface.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；Work(by using series feed mode divides feed section, and antenna structure can be made compacter, reduce the overall volume of antenna；By forming inclined surface in the inside of parallel-plate waveguide, the low profile antenna of the present invention is made to reduce the amplitude of gain reduction in surface sweeping angulation change.
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, is presented with work(point
The parallel-plate waveguide of electric part connection and the clearance type radiating layer for being covered in parallel-plate waveguide upper substrate；Work(divides feed section
Feed-in is coupled from a side of parallel-plate waveguide by way of series feed, forms input rectangular waveguide to parallel-plate waveguide
Conversion；Parallel-plate waveguide is used to feed to clearance type radiating layer, and the lower substrate of parallel-plate waveguide is from the one of parallel-plate waveguide
Side thickness on the direction of opposite another side is linearly increasing in the inside of parallel-plate waveguide formation inclined surface.
In one embodiment, the maximum gauge of the lower substrate of parallel-plate waveguide is less than the upper substrate of parallel-plate waveguide with putting down
Maximum distance between the lower substrate of plate waveguide.
In one embodiment, clearance type radiating layer is CTS radiating layers.
In one embodiment, the inside of parallel-plate waveguide is Filled Dielectrics.
In one embodiment, the inside of parallel-plate waveguide is filled for air.
In one embodiment, work(point feed section includes：Multiple T shapes isolation elements, between multiple T shapes isolation elements
Spacing distance is equal, and divides output port for work(between the adjacent T shape isolation elements of any two.
In one embodiment, work(point feed section further includes：Multiple tuned cells are correspondingly arranged in multiple work(point output
In port, for the output of work(point feed section to be inhibited to interfere.
In one embodiment, tuned cell includes being set to the metal struts that work(divides on output port central axis.
In one embodiment, medium includes：Any one among polytetrafluoroethylene (PTFE), ceramics and FR4.
In one embodiment, CTS radiating layers include multiple spaced sets and the lateral minor matters that are mutually parallel are to form
The plane gap waveguide radiated.
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；Work(by using series feed mode divides feed section, can
Make antenna structure compacter, reduce the overall volume of antenna；By forming inclined surface in the inside of parallel-plate waveguide, make this
The low profile antenna of invention reduces the amplitude of gain reduction in surface sweeping angulation change.
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 substrate 21 clearance type radiating layer
30；Wherein, work(divides the of same size of the output terminal of feed section 10 and 20 input terminal of parallel-plate waveguide, work(divide feed section 10 from
The side coupling feed-in of parallel-plate waveguide 20.Work(point feed section 10 forms input rectangular waveguide 40 by way of series feed
To the conversion of parallel-plate waveguide 20；Parallel-plate waveguide 20 is used to feed to clearance type radiating layer 30；And from parallel-plate waveguide
20 with a side that work(point feed section 10 couples on the direction of another side on the other side, the lower base of parallel-plate waveguide 20
The thickness of plate 22 is linearly increasing so as to form inclined surface in the inside of parallel-plate waveguide 20.
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；By using the work(point of series feed mode
Feed section 10 can make antenna structure compacter, reduce the overall volume of antenna；By in the inside of parallel-plate waveguide 20
Inclined surface is formed, the low profile antenna of the present invention is made to reduce the amplitude of gain reduction in surface sweeping angulation change.
In one embodiment, the maximum gauge of the lower substrate 22 of parallel-plate waveguide 20 should be less than the upper of parallel-plate waveguide 20
Maximum distance between substrate 21 and the lower substrate of parallel-plate waveguide 20 22.
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, and TE waves or TM waves can only be transmitted in rectangular waveguide and cannot be transmitted
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.
In one embodiment, work(point feed section 10 may include：Multiple T shapes isolation elements 11, multiple T shapes isolation elements
Spacing distance between 11 is equal, and divides output port 12 for work(between the adjacent T shapes isolation element 11 of any two.Interval is single
First 11 elements are located at the edge that work(divides feed section 10, are immediately adjacent to each other with parallel-plate waveguide 20.The transverse direction " one " of T-shaped structure
Word minor matters are directed toward parallel-plate waveguide 20 close to 40 side of rectangular waveguide, transverse direction " Shu " the word minor matters of T-shaped structure.
In one embodiment, work(point feed section 10 further includes：It is defeated to be correspondingly arranged in multiple work(point for multiple tuned cells
In exit port 12, for the output of work(point feed section 10 to be inhibited to interfere.
In one embodiment, tuned cell includes being set to the metal struts that work(divides on 12 central axis of output port
13.The higher mode that electromagnetic wave can be inhibited to be generated in transmission process by setting metal struts 13 is interfered.Preferably, metal column
13 are located on transverse direction " one " word minor matters line midpoint of two adjacent T-shaped structures.
In one embodiment, for CTS radiating layers, (Continue Transverse Stub connect clearance type radiating layer 30
Continuous transverse direction minor matters) radiating layer.Further, CTS radiating layers include multiple spaced sets and the lateral minor matters 31 being mutually parallel
To form the plane gap waveguide 32 radiated.CTS radiating layers in parallel-plate waveguide 20 by setting continuous multiple horizontal strokes
To minor matters 31, the section of plurality of transverse direction minor matters 31 is convex shape.Multiple transverse direction minor matters 31 are so that along longitudinal propagation
TEM waves are blocked, and induce displacement current between lateral minor matters 31 by continuous lateral minor matters 31, and the displacement current is in horizontal stroke
Equivalent electric field, and radiation field have been encouraged to 31 surrounding of minor matters.CTS antennas have light-weight, simple in structure, radiation efficiency
The advantages that high and at low cost, the position distribution for adjusting lateral minor matters 31 can be to the beam angle of the low profile antenna of the present invention
It is controlled with minor level.
In one embodiment, the inside of parallel-plate waveguide 20 is Filled Dielectrics.In one embodiment, medium includes：
Any one among polytetrafluoroethylene (PTFE), ceramics and FR4.
In one embodiment, the inside of parallel-plate waveguide 20 is filled for air.The parallel-plate waveguide filled using air,
There can be relatively low transmission loss, mitigate the overall weight of antenna.
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, and ordinate Gain represents gain, and the angle of pitch angle is 1.5 degree (deg).It can be with from Fig. 3
Find out that the directionality of the low profile antenna radiation of the present invention is fine, the coordinates of main lobe vertex m points is (0,31.5453), i.e. gain
31.5dB can be reached.The low profile antenna of the present invention 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
Divide feed section 10 using the work(of series feed mode, antenna structure can be made compacter, reduce the overall volume of antenna；It is logical
It crosses and forms inclined surface in the inside of parallel-plate waveguide 20, the low profile antenna of the present invention is made to be reduced in surface sweeping angulation change
The amplitude of gain reduction.
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(point feed section, the parallel-plate waveguide being connect with the work(point feed section and it is covered in the parallel-plate waveguide
The clearance type radiating layer of upper substrate；
Wherein, the work(divides feed section to couple feed-in from a side of parallel-plate waveguide by way of series feed, is formed
Input conversion of the rectangular waveguide to the parallel-plate waveguide；
The parallel-plate waveguide is used to feed to the clearance type radiating layer, and the lower substrate of parallel-plate waveguide is from described parallel
A side of board waveguide thickness on the direction of opposite another side is linearly increasing to be inclined with being formed in the inside of parallel-plate waveguide
Skewed surface.
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 the clearance type radiating layer is CTS radiating layers.
4. 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.
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 1, which is characterized in that the work(point feed section includes：
Multiple T shapes isolation elements, the spacing distance between the multiple T shapes isolation element is equal, and the institute that any two is adjacent
It states and divides output port for work(between T shape isolation elements.
7. low profile antenna according to claim 6, which is characterized in that the work(point feed section further includes：
Multiple tuned cells are correspondingly arranged in the multiple work(and divide in output port, for inhibiting the work(point feed section
Output interference.
8. low profile antenna according to claim 7, which is characterized in that the tuned cell includes being set to the work(point
Metal struts on output port central axis.
9. low profile antenna according to claim 4, which is characterized in that the medium includes：Polytetrafluoroethylene (PTFE), ceramics and
Any one among FR4.
10. low profile antenna according to claim 3, which is characterized in that the CTS radiating layers are equidistantly set including multiple
The lateral minor matters put and be mutually parallel are to form the plane gap waveguide radiated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611261284.5A CN108270074A (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 |
|---|---|---|---|
| CN201611261284.5A CN108270074A (en) | 2016-12-30 | 2016-12-30 | Low profile antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108270074A true CN108270074A (en) | 2018-07-10 |
Family
ID=62755013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611261284.5A Pending CN108270074A (en) | 2016-12-30 | 2016-12-30 | Low profile antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108270074A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517531A (en) * | 2021-04-06 | 2021-10-19 | 浙江大学 | CTS beam scanning antenna based on multilayer rectangular waveguide structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414030A (en) * | 2013-07-18 | 2013-11-27 | 北京遥测技术研究所 | Wide band low profile flat plate 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 |
| CN206313132U (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 CN201611261284.5A patent/CN108270074A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414030A (en) * | 2013-07-18 | 2013-11-27 | 北京遥测技术研究所 | Wide band low profile flat plate 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 |
| CN206313132U (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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517531A (en) * | 2021-04-06 | 2021-10-19 | 浙江大学 | CTS beam scanning antenna based on multilayer rectangular waveguide structure |
| CN113517531B (en) * | 2021-04-06 | 2024-02-02 | 浙江大学 | CTS wave beam scanning antenna based on multilayer rectangular waveguide structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107275788B (en) | Millimeter wave fan-shaped beam cylindrical luneberg lens antenna based on metal perturbation structure | |
| CN111786090B (en) | Planar broadband transmission array antenna based on liquid crystal adjustable material | |
| WO2014090290A1 (en) | Quasi-planar array antenna | |
| CN105762513A (en) | Small-size high-isolation double-frequency MIMO antenna for WLAN (Wireless Local Area Network) | |
| CN102480036B (en) | Base station antenna | |
| US20220384959A9 (en) | Method and apparatus for an active radiating and feed structure | |
| CN103050782B (en) | Multi-beam plane patch lens antenna | |
| CN108321545A (en) | low profile antenna | |
| CN104485520A (en) | Beam scanning array antenna having ultralow elevation characteristic | |
| CN110429390A (en) | The four conformal reflector antennas of wave beam rotational field based on super surface | |
| CN108270072A (en) | low profile antenna | |
| CN206313132U (en) | Low profile antenna | |
| CN102480048A (en) | Base station antenna | |
| CN206441874U (en) | Low profile antenna | |
| CN102480019A (en) | Metamaterial antenna | |
| CN108270074A (en) | Low profile antenna | |
| CN110233334B (en) | Horizontal polarization leaky-wave antenna based on substrate integrated mirror image dielectric waveguide | |
| CN102480049A (en) | Base station antenna | |
| CN110233353B (en) | Metamaterial unit and metamaterial-based double-layer radiation antenna device | |
| CN109411895B (en) | Three-layer spiral gap transmission unit and transmission array antenna | |
| CN102570044B (en) | Base station antenna | |
| CN102820527A (en) | Radar antenna and radar system | |
| CN206585071U (en) | Low profile antenna | |
| CN206364191U (en) | Low profile antenna | |
| CN102480043B (en) | Antenna of base station |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190808 Address after: 518000 Guangdong Province Nanshan District Nanhai Avenue Xiguimiao Road North Sunshine Huayi Building 15D-02 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. |