CN106921037A - A kind of X-band satellite-borne data transmission antenna - Google Patents
A kind of X-band satellite-borne data transmission antenna Download PDFInfo
- Publication number
- CN106921037A CN106921037A CN201710260598.1A CN201710260598A CN106921037A CN 106921037 A CN106921037 A CN 106921037A CN 201710260598 A CN201710260598 A CN 201710260598A CN 106921037 A CN106921037 A CN 106921037A
- Authority
- CN
- China
- Prior art keywords
- data transmission
- pcb board
- transmission antenna
- band satellite
- lower floor
- 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
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Classifications
-
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/288—Satellite antennas
-
- 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
Abstract
A kind of X-band satellite-borne data transmission antenna, including：Antenna house, upper strata radiation patch unit, lower floor's feeding network, metallic reflection plate, the intermediate coupling feeder unit between upper strata radiation patch unit and lower floor's feeding network；Support cellular mediums between lower floor's feeding network and metallic reflection plate；A kind of X-band satellite-borne data transmission antenna is planar structure.
Description
Technical field
The present invention relates to satellite antenna field, more particularly to a kind of X-band satellite-borne data transmission antenna.
Background technology
Number passes the important component that antenna is satellite antenna, when satellite enters domestic (the i.e. visual segmental arc in grounded receiving station
Within) when, data transmission subsystem is taken out the data in memory by high speed interface, and completing channel by several transmission transmitters compiles
Code, composition data transmission frame after carrying out carrier modulation, power amplification to signal, antenna is passed by number, and Satellite Payloads are adopted
The data of collection are transferred to grounded receiving station.
At present, satellite is developing towards the situation of low cost, miniaturization, lightweight and several satellite in a rocket, to antenna on star
It is required that certainly will also more and more higher.Traditional number passes antenna typically all using the reflecting surface or waveguide horns of comparative maturity,
The advantage of this kind of antenna is stable performance, high gain, but corresponding cost is also sufficiently expensive, and profile is big, weight weight, less
Suitable for microsatellite platform.
The content of the invention
The problem that the present invention is solved is that existing number passes that antenna profile is big, quality weight；To solve described problem, the present invention is provided
A kind of X-band satellite-borne data transmission antenna.
A kind of X-band satellite-borne data transmission antenna that the present invention is provided, including：Antenna house, upper strata radiation patch unit, lower floor's feedback
Electric network, metallic reflection plate；Intermediate coupling feeder unit between upper strata radiation patch unit and lower floor's feeding network；Position
Support cellular mediums between lower floor's feeding network and metallic reflection plate；A kind of X-band satellite-borne data transmission antenna is plane
Structure.
Further, the upper strata radiation patch unit includes：Pcb board, is attached to the rectangular patch on the pcb board；It is described
The material of rectangular patch is copper, and the rectangular patch totally 16 constitutes the distance between the arrays of 4 х 4, adjacent rectangle paster for work
Make wavelength 045~0.9 times, the length of side is 0.4~0.6 times of operation wavelength, diagonally cuts two length of sides for 5~7mm
Right angled triangle.
Further, the intermediate coupling feeder unit includes pcb board, and the z font copper pasters being attached on the pcb board；
The z fonts copper paster is corresponded with rectangular patch, is connected by presenting pin；The length of the z fonts copper paster be 8~
10mm, is highly 3~4mm, line width 1mm.
Further, lower floor's feeding network includes：Pcb board, and 1 to 16 power amplifier network on the pcb board is attached to, it is described
1 to 16 power amplifier network is connected by 16 feedback pins with z font copper pasters, and the material of 1 to the 16 power amplifier network is copper, copper cash
Width according to microstrip line on medium quarter-wave impedance transformation relation optimization obtained by.
Further, the support cellular mediums use Nomex aramid paper cellular materials, model NRH-3-48.
Further, the metallic reflection plate is space flight aluminium sheet, and antenna house part is using the ripe polyimide material of space flight；
The pcb board of upper strata radiation patch unit, the pcb board of intermediate coupling feeder unit, the pcb board of lower floor's feeding network are used and met
The Roger TMM Dielectric Materials at Radio Frequencies of AEROSPACE APPLICATION requirement.
Further, medium spiral shell is used between upper strata radiation patch unit, intermediate coupling feeder unit and lower floor's feeding network
Bolt and space flight A, B gemel connection.
Advantages of the present invention includes：
A kind of X-band satellite-borne data transmission antenna provided by the present invention is planar structure, and largest contours are 130*130*20mm,
It is low to satellite platform requirement within weight 200g.
Further, a kind of X-band satellite-borne data transmission antenna that the present invention is provided is used for X-band, using the microstrip antenna generation of 4*4
For a kind of traditional X-band satellite-borne data transmission antenna, loaded using air, feed coupling technique improves the gain of antenna
(18.7dBi) and band bandwidth (1.75GHz), and serve as the connection medium on antenna and floor using paper honeycomb, meet spaceborne
The high-reliability requirement of antenna, it is adaptable to micro-nano satellite platform.
Brief description of the drawings
Fig. 1 is a kind of structural representation of X-band satellite-borne data transmission antenna provided in an embodiment of the present invention.
Fig. 2 (a), (b) are respectively a kind of upper strata radiation patch of X-band satellite-borne data transmission antenna provided in an embodiment of the present invention
The positive and negative structural representation of unit.
Fig. 3 (a), (b) are respectively a kind of intermediate coupling feeder lines of X-band satellite-borne data transmission antenna provided in an embodiment of the present invention
The positive and negative structural representation of unit.
Fig. 4 (a), (b) are respectively a kind of lower floor's feeding networks of X-band satellite-borne data transmission antenna provided in an embodiment of the present invention
Positive and negative structural representation.
Fig. 5 is a kind of return loss plot of X-band satellite-borne data transmission antenna provided in an embodiment of the present invention.
Fig. 6 is a kind of E/H faces gain pattern of X-band satellite-borne data transmission antenna provided in an embodiment of the present invention.
Fig. 7 is that a kind of E/H faces axle of X-band satellite-borne data transmission antenna provided in an embodiment of the present invention compares directional diagram.
Specific embodiment
Hereinafter, spirit and substance of the present invention are further elaborated in conjunction with the accompanying drawings and embodiments.
As shown in figure 1, a kind of X-band satellite-borne data transmission antenna provided in an embodiment of the present invention, including：Antenna house 1, upper strata spoke
Penetrate chip unit 2, lower floor's feeding network 4, metallic reflection plate 6；Positioned at upper strata radiation patch unit 2 and lower floor's feeding network 4 it
Between intermediate coupling feeder unit 3；Support cellular mediums 5 between lower floor's feeding network 4 and metallic reflection plate 6；It is described
A kind of X-band satellite-borne data transmission antenna is planar structure；Installed between upper strata radiation patch unit 2 and intermediate coupling feeder unit 3
There is one layer of (totally 6) Supporting Media bar 7, one layer (totally 6 is provided between intermediate coupling feeder unit 3 and lower floor's feeding network 4
Branch) Supporting Media bar 8.Upper strata radiation patch unit 2, medium is used between intermediate coupling feeder unit 3 and lower floor's feeding network 4
Bolt and space flight A, B glue coordinate Supporting Media bar to be attached.Total is fixed by trip bolt.
On the one hand aerial radiation cover plays protection aerial radiation surface and avoids surface from colliding with, on the other hand, its polyimides
Material serves the purpose of the extraneous radiation in anti-universe.
With reference to Fig. 2, the upper strata radiation patch unit includes：Pcb board, is attached to the rectangular patch on the pcb board；It is described
The material of rectangular patch is copper, and the rectangular patch totally 16 constitutes the distance between the arrays of 4 х 4, adjacent rectangle paster for work
Make wavelength 0.5~0.9 times, the length of side is 0.4~0.6 times of operation wavelength, diagonally cuts two length of sides for 5~7mm
Right angled triangle.The upper strata radiation patch unit is the circular polarisation that rectangular patch realizes antenna by corner cut, by changing
The length of side adjustment working frequency of rectangular patch, circular polarisation performance is improved by the size for adjusting corner cut.Between rational antenna element
Away from the key factor for being the gain pattern for obtaining good, spacing is too short, and gain can be caused not high, and spacing is long to cause antenna
Minor level raise, by simulation optimization, finally take 0.67 operation wavelength.As shown in figure 3, the intermediate coupling feeder line list
Unit includes pcb board, and the z font copper pasters being attached on the pcb board；The z fonts copper paster is corresponded with rectangular patch,
Connected by presenting pin；The length of the z fonts copper paster is 8~10mm, is highly 3~4mm, and line width is 1mm.Intermediate coupling is presented
Line unit constitutes additional capacitor with upper strata radiation patch unit, to offset the inductance of middle feedback pin, increased resonance frequency, and then
The bandwidth of operation of antenna is expanded.The mode of air loading, is the important means for improving Antenna Operation bandwidth and radiation efficiency,
Herein, we have further expanded the bandwidth of operation and efficiency of antenna by additionally adding one layer of feeder unit.
With reference to Fig. 4, it is considered to which this antenna pair side lobe requirements are not high, lower floor feeding network using etc. spoke with phase parallelly feeding knot
Structure is realizing the maximization of antenna gain.Lower floor's feeding network includes：Pcb board, and it is attached to 1 to 16 work(on the pcb board
Subnetwork, 1 to 16 power division network is connected by 16 feedback pins with z font copper pasters, the material of 1 to the 16 power amplifier network
Expect to be copper, the width of copper cash is obtained by the quarter-wave impedance transformation relation optimization according to microstrip line on medium.
Metallic reflection plate is further added by lower floor's feeding network unit bottom, antenna is adopted by metallic reflection plate with celestial body shell
Fixed with bolt, while metallic reflection plate can also intercept the electromagnetism of interior other devices of antenna pair celestial body and other devices to antenna
Interference, it is contemplated that cost and weight, using space flight aluminium reflecting plate.
Using the peace human relations paper honeycomb of high intensity as support, this implementation between lower floor's feeding network unit and metallic reflection plate
Support cellular mediums described in example uses Nomex aramid paper cellular materials, model NRH-3-48 to strengthen by aramid fiber paper honeycomb
The structural strength of antenna, improves anti-vibration, the impact resistance of antenna.
Antenna house part is using the ripe polyimide material of space flight；Pcb board, the intermediate coupling of upper strata radiation patch unit
The pcb board of feeder unit, the pcb board of lower floor's feeding network are using the Roger TMM high-frequency dielectrics for meeting AEROSPACE APPLICATION requirement
Material.
To prove a kind of advantage of X-band satellite-borne data transmission antenna provided in an embodiment of the present invention, applicant carries out emulation examination
Test.Fig. 5 is a kind of return loss plot of X-band satellite-borne data transmission antenna provided in an embodiment of the present invention.Fig. 6 is implementation of the present invention
A kind of E/H faces gain pattern of X-band satellite-borne data transmission antenna that example is provided.Fig. 7 is a kind of X ripples provided in an embodiment of the present invention
The E/H faces axle of section satellite-borne data transmission antenna compares directional diagram.Can be seen that the maximum gain of antenna reaches from Fig. 5 to Fig. 7
18.7dBi, bandwidth of operation 1.75GHz, dutycycle 21%, main beam axis ratio are less than 3dB.
Although the present invention is disclosed as above with preferred embodiment, it is not for limiting the present invention, any this area
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and techniques content of the disclosure above to this hair
Bright technical scheme makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, according to the present invention
Any simple modification, equivalent variation and modification for being made to above example of technical spirit, belong to technical solution of the present invention
Protection domain.
Claims (7)
1. a kind of X-band satellite-borne data transmission antenna, including：Antenna house, upper strata radiation patch unit, lower floor's feeding network, gold
Category reflecting plate, it is characterised in that also include：Intermediate coupling feedback between upper strata radiation patch unit and lower floor's feeding network
Line unit；Support cellular mediums between lower floor's feeding network and metallic reflection plate；A kind of X-band satellite-borne data transmission day
Line is planar structure.
2. according to a kind of X-band satellite-borne data transmission antenna described in claim 1, it is characterised in that the upper strata radiation patch list
Unit includes：Pcb board, is attached to the rectangular patch on the pcb board；The material of the rectangular patch is copper, and the rectangular patch is total to
16, constitute the arrays of 4 х 4, the distance between adjacent rectangle paster is 0.45~0.9 times of operation wavelength, and the length of side is operating wave
Long 0.4~0.6 times, diagonally cuts the right angled triangle that two length of sides are 5~7mm.
3. according to a kind of X-band satellite-borne data transmission antenna described in claim 2, it is characterised in that the intermediate coupling feeder line list
Unit includes pcb board, and the z font copper pasters being attached on the pcb board；The z fonts copper paster is corresponded with rectangular patch,
Connected by presenting pin；The length of the z fonts copper paster is 8~10mm, is highly 3~4mm, and line width is 1mm.
4. according to a kind of X-band satellite-borne data transmission antenna described in claim 3, it is characterised in that lower floor's feeding network bag
Include：Pcb board, and 1 to 16 power division network on the pcb board is attached to, 1 to 16 power division network is by 16 feedback pins and z words
Shape copper paster is connected, and the material of 1 to the 16 power amplifier network is copper, the width of copper cash according to microstrip line on medium four/
One wavelength impedance transformation relation optimization gained.
5. according to a kind of X-band satellite-borne data transmission antenna described in claim 1, it is characterised in that the support cellular mediums are adopted
With Nomex aramid paper cellular materials, model NRH-3-48.
6. according to a kind of X-band satellite-borne data transmission antenna described in claim 1, it is characterised in that the metallic reflection plate is boat
Empty aluminium sheet, antenna house part is using the ripe polyimide material of space flight；Pcb board, the intermediate coupling of upper strata radiation patch unit
The pcb board of feeder unit, the pcb board of lower floor's feeding network are using the Roger TMM high-frequency dielectrics for meeting AEROSPACE APPLICATION requirement
Material.
7. according to a kind of X-band satellite-borne data transmission antenna described in claim 1, it is characterised in that upper strata radiation patch unit, in
Between between coupling feed unit and lower floor's feeding network use medium bolt and space flight A, B gemel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260598.1A CN106921037A (en) | 2017-04-20 | 2017-04-20 | A kind of X-band satellite-borne data transmission antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260598.1A CN106921037A (en) | 2017-04-20 | 2017-04-20 | A kind of X-band satellite-borne data transmission antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106921037A true CN106921037A (en) | 2017-07-04 |
Family
ID=59568131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710260598.1A Pending CN106921037A (en) | 2017-04-20 | 2017-04-20 | A kind of X-band satellite-borne data transmission antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106921037A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441332A (en) * | 2013-08-21 | 2013-12-11 | 华为技术有限公司 | Micro-strip array antenna and base station |
| JP2015171108A (en) * | 2014-03-10 | 2015-09-28 | 富士通株式会社 | patch antenna |
| CN105633595A (en) * | 2014-10-29 | 2016-06-01 | 杭州中瑞思创科技股份有限公司 | High-gain narrow-beam circularly polarized array antenna |
-
2017
- 2017-04-20 CN CN201710260598.1A patent/CN106921037A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441332A (en) * | 2013-08-21 | 2013-12-11 | 华为技术有限公司 | Micro-strip array antenna and base station |
| JP2015171108A (en) * | 2014-03-10 | 2015-09-28 | 富士通株式会社 | patch antenna |
| CN105633595A (en) * | 2014-10-29 | 2016-06-01 | 杭州中瑞思创科技股份有限公司 | High-gain narrow-beam circularly polarized array antenna |
Non-Patent Citations (1)
| Title |
|---|
| 王玥: "NanoSAR系统及穿墙雷达的天线研究及设计", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
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Application publication date: 20170704 |