CN108832255A - Foldable antenna based on S-band autonomous telecommunication satellite - Google Patents
Foldable antenna based on S-band autonomous telecommunication satellite Download PDFInfo
- Publication number
- CN108832255A CN108832255A CN201810628724.9A CN201810628724A CN108832255A CN 108832255 A CN108832255 A CN 108832255A CN 201810628724 A CN201810628724 A CN 201810628724A CN 108832255 A CN108832255 A CN 108832255A
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- antenna
- dielectric substrate
- underlying dielectric
- house
- cover
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- 239000000758 substrate Substances 0.000 claims abstract description 75
- 238000013016 damping Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01Q1/08—Means for collapsing antennas or parts thereof
-
- 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
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/428—Collapsible radomes; rotatable, tiltable radomes
-
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/065—Patch antenna array
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a kind of foldable antennas based on S-band autonomous telecommunication satellite, including antenna house and medium substrate, the antenna house includes first antenna cover, second antenna house and rotary shaft for expanding horizontally or folding first antenna cover and the second antenna house, the medium substrate includes the first underlying dielectric substrate for being fixed on first antenna cover surface and the second underlying dielectric substrate for being fixed on the second antenna house surface, the first underlying dielectric substrate and the second underlying dielectric substrate are located at same level when first antenna cover and the second antenna house expand horizontally, RF coaxial line is connected between the first underlying dielectric substrate and the second underlying dielectric substrate.For the present invention in the case where meeting RF index, antenna folds state substantially reduces antenna horizontal space size, easy to carry, meets product miniaturization, the market demand of lightweight.
Description
Technical field
The present invention relates to antenna art fields, are a kind of based on the communication of S-band autonomous specifically
The foldable antenna of satellite.
Background technique
Antenna is transmitting and an important wireless device for receiving electromagnetic wave.It is quick with mobile satellite communication technology
Development, market is also higher and higher for the demand of antenna product, especially to small in size, easy to carry, highly sensitive and high stable
Property demand is especially urgent.Traditional vehicle-mounted satellite antenna bulky, it is not readily portable.Common satellite communication antena on the market
Including parabola antenna, planar array antenna, stick-like antenna etc..The antenna of its communication satellite communication market 10dBi gain is all flat
Plate antenna is not able to satisfy portability demand at this stage having a size of 208mm*208mm*7mm.
Summary of the invention
The purpose of the present invention is to provide a kind of foldable antennas based on S-band autonomous telecommunication satellite, are used for
It is huge to solve antenna volume in satellite communication in the prior art, it has not been convenient to the problem of carrying.
The present invention is solved the above problems by following technical proposals：
A kind of foldable antenna based on S-band autonomous telecommunication satellite, including antenna house and medium substrate, it is described
Antenna house includes first antenna cover, the second antenna house and is used to that first antenna cover and the second antenna house to be expanded horizontally or be folded
Rotary shaft, the medium substrate include be fixed on first antenna cover surface the first underlying dielectric substrate and be fixed on second day
The second underlying dielectric substrate on irdome surface, the first underlying dielectric substrate and the second underlying dielectric substrate are in first antenna cover
Be located at same level when expanding horizontally with the second antenna house, the first underlying dielectric substrate and the second underlying dielectric substrate it
Between be connected with RF coaxial line.
With rotation axis connection between first antenna cover and the second antenna house, the first antenna cover, the second antenna house is set to be in
Existing 180 ° i.e. horizontal development state, when first antenna cover is rotated to the second antenna house direction, drive is fixed on first antenna cover
First underlying dielectric substrate of lower surface rotates, when first antenna cover and the second antenna house are at 0 ° of angle, i.e. folded state, the
One antenna house is clipped in the middle with the second antenna house by the first underlying dielectric substrate and the second underlying dielectric substrate.Similarly, second day
It is also such that irdome is rotated to first antenna cover direction.When antenna expands horizontally, first antenna cover is with the second antenna house same
Horizontal plane, the first underlying dielectric substrate and the second underlying dielectric substrate reduce phase mistake also in same level so at this time
Difference, Circular polarization ratio are good.When antenna folds, antenna horizontal space size is substantially reduced, it is easy to carry, it is small-sized to meet product
The requirement of change.
Preferably, the medium substrate is equipped with microstrip antenna element, and the microstrip antenna element includes circular polarisation feed
Network and the multiple microband pastes being connect with the circular polarisation feeding network, be provided on the antenna house respectively with the micro-strip
The matched radiating antenna array element of patch.
Preferably, the microband paste is symmetrically distributed in the first underlying dielectric substrate and second layer underlying dielectric substrate
On, the radiating antenna array element is symmetrically distributed on the first antenna cover and the second antenna house.
Microstrip antenna element is integrated on medium substrate, the multiple microband pastes composition N connecting with circular polarisation feeding network
× N array, wherein N=2n, n are positive integer.N × N array microband paste is divided into two parts, is located at the first bottom
The feed of medium substrate and second layer underlying dielectric substrate, two parts microband paste is connected with RF coaxial line, is set on antenna house
It is equipped with N × N array radiating antenna array element, radiating antenna array element is located at the surface of microband paste.Each group mutually matches
The radiating antenna array element of conjunction and the vertical range of microband paste are equal.The microband paste and radiating antenna array element ruler to match each other
Very little consistent and center is overlapped.
Preferably, hollow shaft is additionally provided between the first antenna cover and the second antenna house, the RF coaxial line is worn
The hollow shaft is crossed, for by the second underlying dielectric substrate described in the radiofrequency signal feed-in of the first underlying dielectric substrate.
RF coaxial line passes through hollow rotating shaft and is hidden in hollow shaft, RF coaxial line when antenna opening and closing
It only twists without the coaxial cable because maloperation fractures, avoids antenna failure.
Preferably, the first antenna cover is adopted with the first underlying dielectric substrate and is screwed, second antenna house with
Second underlying dielectric substrate, which is adopted, to be screwed.
Preferably, the radiating antenna array element is carved using LDS technique.
Preferably, one side of the first underlying dielectric substrate far from first antenna cover, the second underlying dielectric substrate
It is provided with metallic reflection coating on one side far from the second antenna house.
Preferably, the rotary shaft uses Damping rotation shaft.
The effect of Damping rotation shaft is opening or folded antenna, so that first antenna cover and the second antenna house is presented 180 ° and beats
Open state, or make first antenna cover and the second antenna house that 0 ° i.e. folded state be presented.Scale, Ke Yizhun are provided on Damping rotation shaft
Really mark first antenna cover and the second antenna house are in the position of same level.Limiting component also can be set in Damping rotation shaft,
First antenna cover and the second antenna house is set only to fold and expand horizontally two states.
Compared with prior art, the present invention having the following advantages that and beneficial effect：
(1) for the present invention in the case where meeting RF index, antenna folds state substantially reduces antenna horizontal space ruler
It is very little, it is easy to carry, meet product miniaturization, the market demand of lightweight.
(2) when antenna expands horizontally, first antenna cover and the second antenna house are in same level, the first underlying dielectric at this time
Substrate and the second underlying dielectric substrate reduce phase error, Circular polarization ratio is good also in same level in this way.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the schematic diagram of opening state of the present invention；
Fig. 3 is the schematic diagram of closed state of the present invention；
Fig. 4 is standing-wave ratio figure of the invention；
Fig. 5 is 2D directional diagram of the invention.
Specific embodiment
The present invention is described in further detail below with reference to embodiment, embodiments of the present invention are not limited thereto.
Embodiment 1：
In conjunction with shown in attached drawing 1, a kind of foldable antenna based on S-band autonomous telecommunication satellite, including antenna house
And medium substrate, the antenna house include first antenna cover 1, the second antenna house 2 and are used for first antenna cover 1 and the second antenna
The rotary shaft 7 that cover 2 is expanded horizontally or folded, the medium substrate includes the first bottom for being fixed on 1 surface of first antenna cover
Medium substrate 3 and the second underlying dielectric substrate 4 for being fixed on 2 surface of the second antenna house, the first underlying dielectric substrate 3 and the
Two underlying dielectric substrates 4 are located at same level, first bottom when first antenna cover 1 and the second antenna house 2 expand horizontally
RF coaxial line is connected between layer medium substrate 3 and the second underlying dielectric substrate 4.
It is connected between first antenna cover 1 and the second antenna house 2 with rotary shaft 7, makes first antenna cover 1, the second antenna house 2 can
180 ° i.e. horizontal development state is presented, as shown in Fig. 2, being driven when the second antenna house 2 is rotated to 1 direction of first antenna cover
Be fixed on the second underlying dielectric substrate 4 rotation of 2 lower surface of the second antenna house, when the second antenna house 2 with first antenna cover 1 at 0 °
When angle, i.e. folded state, as shown in Figure 3.First antenna cover 1 and the second antenna house 2 are by the first underlying dielectric substrate 3 and second
Underlying dielectric substrate 4 is clipped in the middle.Similarly, it is also such that first antenna cover 1 is rotated to 2 direction of the second antenna house.Antenna is horizontal
When expansion, first antenna cover 1 and the second antenna house 2 are in same level, and the first underlying dielectric substrate 3 and the second bottom are situated between at this time
Matter substrate 4 also in same level, reduces phase error in this way, and Circular polarization ratio is preferable.The limit ruler of antenna developed dimension
Very little is 170mm*165mm*6mm, and folded size is only the half of developed dimension, when antenna folds, substantially reduces antenna water
Flat bulk, it is easy to carry, meet the requirement of product miniaturization.
Embodiment 2：
On the basis of embodiment 1, in conjunction with shown in attached drawing 1-3, the medium substrate is equipped with microstrip antenna element, described
Microstrip antenna element includes circular polarisation feeding network and multiple microband pastes 6 for connecting with the circular polarisation feeding network, described
Be provided on antenna house respectively with the matched radiating antenna array element 5 of the microband paste 6.
Preferably, the microband paste 6 is symmetrically distributed in the first underlying dielectric substrate 3 and second layer underlying dielectric base
On plate 4, the radiating antenna array element 5 is symmetrically distributed on the first antenna cover 1 and the second antenna house 2.
Microstrip antenna element is integrated on medium substrate, and the multiple microband pastes 6 connecting with circular polarisation feeding network form N
× N array, wherein N=2n, n are positive integer.N × N array microband paste 6 is divided into two parts, is located at the first bottom
The feed of layer medium substrate 3 and second layer underlying dielectric substrate 4, two parts microband paste 6 is connected with RF coaxial line, antenna house
On be provided with N × N array radiating antenna array element 5, radiating antenna array element 5 is located at the surface of microband paste 6.Each group
The vertical range of the radiating antenna array element 5 and microband paste 6 worked in coordination is equal.The microband paste 5 to match each other and radiation
6 size of bay is consistent and center is overlapped.
Preferably, hollow shaft 8, the RF coaxial line are additionally provided between the first antenna cover 1 and the second antenna house 2
Across the hollow shaft 8, for by the second underlying dielectric substrate described in the radiofrequency signal feed-in of the first underlying dielectric substrate 3
4。
RF coaxial line passes through hollow rotating shaft and is hidden in hollow shaft 8, RF coaxial when antenna opening and closing
Line is only twisted without the coaxial cable because maloperation fractures, and avoids antenna failure.
Preferably, the first antenna cover 1 is adopted with the first underlying dielectric substrate 3 and is screwed, second antenna house 2
It adopts and is screwed with the second underlying dielectric substrate 4.
Preferably, the radiating antenna array element 5 is carved using LDS technique.
Preferably, one side of the first underlying dielectric substrate 3 far from first antenna cover 1, the second underlying dielectric base
Plate 4 is provided with metallic reflection coating far from the second antenna house 2 on one side.
Preferably, the rotary shaft 7 uses Damping rotation shaft.
The effect of Damping rotation shaft is opening or folded antenna, and first antenna cover 1 and the second antenna house 2 is made to be presented 180 ° i.e.
Opening state, or make first antenna cover 1 and the second antenna house 2 that 0 ° i.e. folded state be presented.Scale is provided on Damping rotation shaft, it can
The position of same level is in accurate identification first antenna cover 1 and the second antenna house 2.Limit also can be set in Damping rotation shaft
Component makes first antenna cover 1 and the second antenna house 2 only fold and expand horizontally two states.
Embodiment 3：
In conjunction with shown in attached drawing 4 and Fig. 5, Antenna Operation measures 4 different frequency points m1, m2, m3 and m4 in S-band respectively
Voltage standing wave ratio (VSWR), standing-wave ratio be examine feeder line efficiency of transmission foundation.Measurement result is as shown in figure 4, X-axis represents survey
Frequency is measured, Y-axis represents voltage standing wave ratio, and wherein the voltage standing wave ratio of m1, m2, m3 and m4 are respectively less than 1.5, therefore folding day
Line realizes the indexs such as high-gain, broadband, Circular polarization ratio be good.Shown in Fig. 5,2170MHz is emulated, obtains antenna
Radiation gain figure, it can be seen that in ± 10 ° of range internal antenna gain >=10dBi, it is fine to turn down antenna index, it was demonstrated that fold
Feasibility.
Although reference be made herein to invention has been described for explanatory embodiment of the invention, and above-described embodiment is only this hair
Bright preferable embodiment, embodiment of the present invention are not limited by the above embodiments, it should be appreciated that those skilled in the art
Member can be designed that a lot of other modification and implementations, these modifications and implementations will fall in principle disclosed in the present application
Within scope and spirit.
Claims (10)
1. a kind of foldable antenna based on S-band autonomous telecommunication satellite, which is characterized in that including antenna house and medium
Substrate, the antenna house include first antenna cover, the second antenna house and are used for first antenna cover and the horizontal exhibition of the second antenna house
The rotary shaft opened or folded, the medium substrate include being fixed on the first underlying dielectric substrate on first antenna cover surface and consolidating
It is scheduled on the second underlying dielectric substrate on the second antenna house surface, the first underlying dielectric substrate and the second underlying dielectric substrate exist
First antenna cover and the second antenna house are located at same level, the first underlying dielectric substrate and the second bottom when expanding horizontally
RF coaxial line is connected between medium substrate.
2. the foldable antenna according to claim 1 based on S-band autonomous telecommunication satellite, which is characterized in that
The medium substrate be equipped with microstrip antenna element, the microstrip antenna element include circular polarisation feeding network and with the entelechy
The multiple microband pastes for changing feeding network connection, be provided on the antenna house respectively with the matched radiation day of the microband paste
Linear array member.
3. the foldable antenna according to claim 2 based on S-band autonomous telecommunication satellite, which is characterized in that
The microband paste is symmetrically distributed on the first underlying dielectric substrate and second layer underlying dielectric substrate, the radiating antenna
Array element is symmetrically distributed on the first antenna cover and the second antenna house.
4. the foldable antenna according to claim 3 based on S-band autonomous telecommunication satellite, which is characterized in that
The microband paste to match each other is consistent with radiating antenna array element size and center is overlapped.
5. the foldable antenna according to claim 4 based on S-band autonomous telecommunication satellite, which is characterized in that
The vertical range of the radiating antenna array element and microband paste that each group matches each other is equal.
6. the foldable antenna based on S-band autonomous telecommunication satellite described in any one of -5 according to claim 1,
It is characterized in that, being additionally provided with hollow shaft between the first antenna cover and the second antenna house, the RF coaxial line passes through institute
Hollow shaft is stated, for by the second underlying dielectric substrate described in the radiofrequency signal feed-in of the first underlying dielectric substrate.
7. the foldable antenna based on S-band autonomous telecommunication satellite described in any one of -5 according to claim 1,
It is screwed it is characterized in that, the first antenna cover is adopted with the first underlying dielectric substrate, second antenna house and second
Underlying dielectric substrate, which is adopted, to be screwed.
8. the foldable antenna based on S-band autonomous telecommunication satellite according to any one of claim 2-5,
It is characterized in that, the radiating antenna array element is carved using LDS technique.
9. the foldable antenna based on S-band autonomous telecommunication satellite described in any one of -5 according to claim 1,
It is characterized in that, one side of the first underlying dielectric substrate far from first antenna cover, the second underlying dielectric substrate are separate
Second antenna house is provided with metallic reflection coating on one side.
10. the folding day based on S-band autonomous telecommunication satellite described in any one of -5 according to claim 1
Line, which is characterized in that the rotary shaft uses Damping rotation shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810628724.9A CN108832255A (en) | 2018-06-19 | 2018-06-19 | Foldable antenna based on S-band autonomous telecommunication satellite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810628724.9A CN108832255A (en) | 2018-06-19 | 2018-06-19 | Foldable antenna based on S-band autonomous telecommunication satellite |
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| Publication Number | Publication Date |
|---|---|
| CN108832255A true CN108832255A (en) | 2018-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810628724.9A Pending CN108832255A (en) | 2018-06-19 | 2018-06-19 | Foldable antenna based on S-band autonomous telecommunication satellite |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950679A (en) * | 2019-03-13 | 2019-06-28 | 中国电子科技集团公司第三十八研究所 | A kind of split type antenna house connection structure and antenna house producing device |
| CN110196033A (en) * | 2019-06-21 | 2019-09-03 | 中国神华能源股份有限公司 | Dynamic calibration apparatus and system |
| CN113964516A (en) * | 2021-09-27 | 2022-01-21 | 浙江大学 | Two-dimensional beam scanning antenna based on adjustable antenna housing |
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| KR20030076039A (en) * | 2002-03-22 | 2003-09-26 | 쌍신전자통신주식회사 | Microstrip patch antenna |
| US20060267845A1 (en) * | 2005-05-11 | 2006-11-30 | Hitachi Cable, Ltd. | Distributed phase type circular polarized wave antenna, high-frequency module using the same, and portable radio communication terminal using the same |
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| CN202076398U (en) * | 2011-03-04 | 2011-12-14 | 北京星正通信技术有限责任公司 | Portable satellite communication antenna with supporting devices |
| CN206022633U (en) * | 2016-09-13 | 2017-03-15 | 西安星通通信科技有限公司 | A kind of portable multi-function satellite communication antena |
| CN208315735U (en) * | 2018-06-19 | 2019-01-01 | 成都傅立叶电子科技有限公司 | Foldable antenna based on S-band autonomous telecommunication satellite |
-
2018
- 2018-06-19 CN CN201810628724.9A patent/CN108832255A/en active Pending
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| JPH0677726A (en) * | 1992-08-27 | 1994-03-18 | Toshiba Corp | Portable radio device |
| JPH0750610A (en) * | 1993-05-27 | 1995-02-21 | Nec Corp | Transmitter and receiver for mobile object satellite communication |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109950679A (en) * | 2019-03-13 | 2019-06-28 | 中国电子科技集团公司第三十八研究所 | A kind of split type antenna house connection structure and antenna house producing device |
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| CN113964516A (en) * | 2021-09-27 | 2022-01-21 | 浙江大学 | Two-dimensional beam scanning antenna based on adjustable antenna housing |
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