CN105490028A - Antenna and platform telemetering system - Google Patents
Antenna and platform telemetering system Download PDFInfo
- Publication number
- CN105490028A CN105490028A CN201510959343.5A CN201510959343A CN105490028A CN 105490028 A CN105490028 A CN 105490028A CN 201510959343 A CN201510959343 A CN 201510959343A CN 105490028 A CN105490028 A CN 105490028A
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- China
- Prior art keywords
- antenna
- radiation patch
- cavity configuration
- feeding network
- circular concentric
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
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- 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
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- Waveguide Aerials (AREA)
Abstract
The invention discloses an antenna, which comprises a metal choke ring, a radio-frequency connector, a feed network and a radiation patch, wherein the metal choke ring is in a multi-layer metal concentric circular cavity structure with a closed bottom surface; the radio-frequency connector is arranged at the bottom surface of an inner cavity of the metal choke ring; and the feed network and the radiation patch are fixed at the top end of the inner cavity from bottom to top. The invention further discloses a platform telemetering system with the antenna. The antenna is excellent in performance and simple and reliable in structure and technology, has relatively high gain bandwidth and isolation and can simultaneously achieve left-hand circularly polarized radiation and right-hand circularly polarized radiation; the radiation pattern back lobe is relatively small; the axial ratio performance is excellent; and meanwhile, the performance of the antenna is convenient to adjust.
Description
Technical field
The present invention relates to antenna technical field, particularly to the antenna technical field of broadband, double-circle polarization, low back lobe, transmit-receive sharing, be applicable to the telemetry system of miniaturization, lightweight, labyrinth platform.
Background technology
Existing low back lobe antenna generally adopts based on metamaterial structure pattern, as patent " antenna-reflected plate and low back lobe antenna " (application number: CN201320717530.9), and patent " provides the microstrip antenna of the back lobe Fresnel region of reduction " (application number: CN201210425430.9), the metamaterial structure of this kind of antenna causes antenna radiation efficiency lower, the high resistant bandwidth formed is narrower, is not suitable for the demand that all channel antenna reduces back lobe; Meanwhile, the high impedance adopting micro-band forms to be formed, cause astronomical cycle inconvenience and structural strength more weak, be not suitable for being arranged on complex carrier platform.
And in order to meet the bandwidth requirement of antenna, common employing coated by dielectric, as patent " coated by dielectric miniaturization dual circularly polarized antenna " (application number: CN201210580457.5), and slot-coupled form, as patent " the Compact type broadband double-circle polarization paster antenna based on coupled microstrip line coupler " (application number: CN201310120397.3), patent " a kind of circular polarization ceramic antenna based on strip line via multiple slots couple feed " (application number: CN201010283707.X), such antenna size is larger, complex structure, back lobe is larger, be not suitable for equally complex platform installation and ensure electric performance stablity.
In the mode realizing circular polarization, all need to form at aerial radiation actinal surface the excitation that room and time is orthogonal, amplitude is equal, as patent " coated by dielectric miniaturization dual circularly polarized antenna " (application number: CN201210580457.5), dividing plate circular polarizer is used to form circular polarization, as patent " a kind of double-circle polarization broad-band antenna radiating element for large-angle scanning phase array " (application number: CN201010129681.3), circular polarization diaphragm is adopted to form circular polarization.The major defect that above-mentioned several mode exists is complex structure, not easily regulates, higher to requirement on machining accuracy.
Summary of the invention
Technology of the present invention is dealt with problems and is: overcome the deficiencies in the prior art, provide one to overcome the impact of labyrinth platform, have realize left-handed right-handed circular polarization radiance, wide-band gain covering, high-isolation, compact conformation, little, lightweight, the easy installation of size simultaneously, meet remote measuring and controlling requirement, simultaneously antenna performance be convenient to adjustment.
To achieve these goals, the invention provides a kind of antenna, comprising: metal choke, metal choke is the multiple layer metal circular concentric cavity configuration that bottom surface is closed; Radio frequency connector, radio frequency connector is arranged on the bottom surface of the inner chamber of metal choke; Feeding network and radiation patch, feeding network and radiation patch are fixed on the top of inner chamber from bottom to up.
Further, radio frequency sensor, feeding network and radiation patch and inner chamber are all fixed by screw.
Further, the front of feeding network adopts orthogonal H groove part gap structure, and reverse side adopts directional coupling structure as power splitter.
Further, the equal and phase 90 degree of the output port amplitude of orthogonal H-shaped gap structure and described directional coupling structure.
Further, radiation patch adopts the form of micro-band dielectric substrate.
Further, multiple layer metal circular concentric cavity configuration is three-layer metal circular concentric cavity configuration.
Further, three-layer metal circular concentric cavity configuration is three layers of copper circular concentric cavity configuration.
By technique scheme, the transceiving integrated antenna of the low back lobe of this broadband double-circle polarization effectively reduces antenna backlobe, significantly improves the electrical property of aerial radiation at labyrinth platform; Effectively can improve frequency coverage; Left-handed and right-handed circular polarization radiation can be realized, there is the characteristic of the transceiving integrated work of double-circle polarization; Structure is simple, be easy to install, and has good stability.
Based on same inventive concept, present invention also offers a kind of platform telemetry system, comprising: the transceiving integrated antenna of the low back lobe of above-mentioned broadband double-circle polarization; Control appliance, for receiving the signal of the transceiving integrated antenna transmission of the low back lobe of described broadband double-circle polarization, sends corresponding control signal after processing.
Further, control appliance is can logical editting control machine (PLC).
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Fig. 1 is entire physical structural representation of the present invention;
Fig. 2 is antenna pattern schematic diagram of the present invention;
Fig. 3 is standing wave schematic diagram of the present invention.
Description of reference numerals
1 metal choke 2 radio frequency connector circle 3 feeding network
4 radiation patch 5 screw 6 inner chambers
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
In the present invention, when not doing contrary explanation, the noun of locality of use such as " in, outer " typically refers to the interior and outer of respective objects profile.Use the noun of locality as " up and down, front and back " typically refer to respective objects up and down and front and back.
As shown in Figure 1, the transceiving integrated antenna of the low back lobe of broadband provided by the invention double-circle polarization, comprising: metal choke 1, the multiple layer metal circular concentric cavity configuration that metal choke 1 is closed for bottom surface; Radio frequency connector 2, radio frequency connector 2 is arranged on the bottom surface of the inner chamber 6 of metal choke 1; Feeding network 3 and radiation patch 4, feeding network 3 and radiation patch 4 are fixed on the top of inner chamber 6 from bottom to up.
In the present embodiment, radio frequency connector 2 is arranged on the bottom surface of the inner chamber 6 of metal choke 1, and feeding network 3 and radiation patch 4 are fixed on the top of the inner chamber of metal choke 1 from bottom to up.Metal choke 1 is multilayer concentric circular cavity structure, owing to forming high impedance on the surface of antenna, effectively can improve directional diagram and to roll-off ratio, reduce antenna backlobe, improves the radiance of antenna at labyrinth platform.
Preferably, in order to when radio frequency sensor, feeding network and radiation patch break down, can easily change, radio frequency sensor, described feeding network and described radiation patch and inner chamber are all fixed by screw, can installation and removal easily.
More preferably, in order to effectively improve frequency coverage, the front of feeding network adopts orthogonal H groove part gap structure, and reverse side adopts directional coupling structure as power splitter.A bit compare with 2 points, 3 points, four-point feed circular polarization from circular polarization with traditional, orthogonal H groove part gap feed structure and radiation patch form two resonance structures, effectively can improve frequency coverage.The reverse side of feeding network adopts directional coupler as power splitter, by encouraging respectively at two ports, can realize left-handed and right-handed circular polarization radiation simultaneously.
More preferably, in order to effectively frequency coverage can be improved, the equal and phase 90 degree of the output port amplitude of orthogonal H-shaped gap structure and directional coupling structure.
More preferably, in order to better with orthogonal H type aperture-coupled, radiation patch adopts the form of micro-band dielectric substrate.
Preferred, in order to make antenna performance more excellent, multiple layer metal circular concentric cavity configuration is three-layer metal circular concentric cavity configuration.
Preferred, in order to make antenna performance more excellent, three-layer metal circular concentric cavity configuration is three layers of copper circular concentric cavity configuration.
In Fig. 2, antenna pattern back lobe is less, and front and back, than close to 26dB, are better than common circular polarization wide beam antenna;
In Fig. 3, antenna standing wave bandwidth (VSWR≤2) close to 18%, compared with traditional microstrip antenna, band spread Be very effective.
By technique scheme, the transceiving integrated antenna of the low back lobe of this broadband double-circle polarization effectively reduces antenna backlobe, significantly improves the electrical property of aerial radiation at labyrinth platform; Effectively can improve frequency coverage; Left-handed and right-handed circular polarization radiation can be realized, there is the characteristic of the transceiving integrated work of double-circle polarization; Structure is simple, be easy to install, and has good stability.
Based on same inventive concept, present invention also offers a kind of platform telemetry system, comprising: the transceiving integrated antenna of the low back lobe of above-mentioned broadband double-circle polarization; Control appliance, for receiving the signal of the transceiving integrated antenna transmission of the low back lobe of described broadband double-circle polarization, sends corresponding control signal after processing.
Preferably, control appliance is can logical editting control machine (PLC).
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, other various possible compound modes of the present invention illustrate no longer separately.
In addition, also can carry out combination in any between various different execution mode of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. an antenna, is characterized in that, comprising:
Metal choke (1), the multiple layer metal circular concentric cavity configuration that described metal choke (1) is closed for bottom surface;
Radio frequency connector (2), described radio frequency connector (2) is arranged on the bottom surface of the inner chamber (6) of described metal choke (1);
Feeding network (3) and radiation patch (4), described feeding network (3) and described radiation patch (4) are fixed on the top of described inner chamber (6) from bottom to up.
2. antenna as claimed in claim 1, it is characterized in that, described radio frequency sensor (2), described feeding network (3) and described radiation patch (4) and described inner chamber (6) are all fixed by screw (5).
3. antenna as claimed in claim 2, it is characterized in that, the front of described feeding network (3) adopts orthogonal H groove part gap structure, and reverse side adopts directional coupling structure as power splitter.
4. antenna according to claim 4, is characterized in that, the equal and phase 90 degree of the output port amplitude of described orthogonal H-shaped gap structure and described directional coupling structure.
5. antenna according to claim 1, it is characterized in that, described radiation patch (4) adopts the form of micro-band dielectric substrate.
6. antenna according to claim 1, it is characterized in that, described multiple layer metal circular concentric cavity configuration is three-layer metal circular concentric cavity configuration.
7. antenna according to claim 6, it is characterized in that, described three-layer metal circular concentric cavity configuration is three layers of copper circular concentric cavity configuration.
8. a platform telemetry system, is characterized in that, comprising:
Antenna as described in any one of claim 1-7;
Control appliance, for receiving the signal of described antenna transmission, sends corresponding control signal after processing.
9. platform telemetry system according to claim 8, described control appliance is can logical editting control machine (PLC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510959343.5A CN105490028A (en) | 2015-12-18 | 2015-12-18 | Antenna and platform telemetering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510959343.5A CN105490028A (en) | 2015-12-18 | 2015-12-18 | Antenna and platform telemetering system |
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| Publication Number | Publication Date |
|---|---|
| CN105490028A true CN105490028A (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510959343.5A Pending CN105490028A (en) | 2015-12-18 | 2015-12-18 | Antenna and platform telemetering system |
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| CN (1) | CN105490028A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252879A (en) * | 2016-08-31 | 2016-12-21 | 安徽四创电子股份有限公司 | A kind of band wire feed cross seam double-circle polarization linear array |
| CN106450704A (en) * | 2016-11-29 | 2017-02-22 | 航天恒星科技有限公司 | High-contact-ratio gain directional diagram circularly polarized antenna |
| CN106654553A (en) * | 2016-11-29 | 2017-05-10 | 北京航天长征飞行器研究所 | C-band broadband pattern shaped antenna |
| CN108767452A (en) * | 2018-04-24 | 2018-11-06 | 昆山恩电开通信设备有限公司 | A kind of high-performance dual-polarization radiation unit and isolation adjusting method |
| CN109659664A (en) * | 2018-12-19 | 2019-04-19 | 航天恒星科技有限公司 | A kind of H slot coupling feed circular polarized antenna |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080030422A1 (en) * | 2006-07-11 | 2008-02-07 | John Gevargiz | Rfid antenna system |
| CN102013549A (en) * | 2010-09-17 | 2011-04-13 | 航天恒星科技有限公司 | Precise GNSS directional antenna |
| CN102891360A (en) * | 2012-09-29 | 2013-01-23 | 航天恒星科技有限公司 | Broadband miniaturization double-rotating circularly polarized antenna |
| CN103904408A (en) * | 2014-03-11 | 2014-07-02 | 西安电子科技大学昆山创新研究院 | Stable phase center measurement antenna |
-
2015
- 2015-12-18 CN CN201510959343.5A patent/CN105490028A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080030422A1 (en) * | 2006-07-11 | 2008-02-07 | John Gevargiz | Rfid antenna system |
| CN102013549A (en) * | 2010-09-17 | 2011-04-13 | 航天恒星科技有限公司 | Precise GNSS directional antenna |
| CN102891360A (en) * | 2012-09-29 | 2013-01-23 | 航天恒星科技有限公司 | Broadband miniaturization double-rotating circularly polarized antenna |
| CN103904408A (en) * | 2014-03-11 | 2014-07-02 | 西安电子科技大学昆山创新研究院 | Stable phase center measurement antenna |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106252879A (en) * | 2016-08-31 | 2016-12-21 | 安徽四创电子股份有限公司 | A kind of band wire feed cross seam double-circle polarization linear array |
| CN106252879B (en) * | 2016-08-31 | 2021-07-20 | 安徽四创电子股份有限公司 | Double-circular-polarization linear array with line-fed cross-shaped seam |
| CN106450704A (en) * | 2016-11-29 | 2017-02-22 | 航天恒星科技有限公司 | High-contact-ratio gain directional diagram circularly polarized antenna |
| CN106654553A (en) * | 2016-11-29 | 2017-05-10 | 北京航天长征飞行器研究所 | C-band broadband pattern shaped antenna |
| CN108767452A (en) * | 2018-04-24 | 2018-11-06 | 昆山恩电开通信设备有限公司 | A kind of high-performance dual-polarization radiation unit and isolation adjusting method |
| CN108767452B (en) * | 2018-04-24 | 2024-02-27 | 昆山恩电开通信设备有限公司 | High-performance dual-polarized radiation unit and isolation degree adjusting method |
| CN109659664A (en) * | 2018-12-19 | 2019-04-19 | 航天恒星科技有限公司 | A kind of H slot coupling feed circular polarized antenna |
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Application publication date: 20160413 |