CN102738573A - Airborne navigation antenna - Google Patents
Airborne navigation antenna Download PDFInfo
- Publication number
- CN102738573A CN102738573A CN2012102012254A CN201210201225A CN102738573A CN 102738573 A CN102738573 A CN 102738573A CN 2012102012254 A CN2012102012254 A CN 2012102012254A CN 201210201225 A CN201210201225 A CN 201210201225A CN 102738573 A CN102738573 A CN 102738573A
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- antenna
- radiating element
- base plate
- strip line
- downslide
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Abstract
The invention provides an airborne navigation antenna, which comprises an antenna radiator 100, wherein the antenna radiator 100 is printed on a dielectric slab and comprises a gliding radiating unit 101, a heading radiating unit 102, a grounding wire 104 and a high-impedance strip-type line 103; the radiating units (101 and 102) are provided with vibrators consisting of strip-type lines and are connected with matched strip-type lines (106 and 107); the gliding radiating unit 101 is connected with the heading radiating unit 102 through the high-impedance strip-type line 103; the heading radiating unit 102 is connected with the grounding wire 104 through a loaded inductor 105; and the antenna radiator 100 feeds a signal through the gliding radiating unit 101. The airborne navigation antenna is compact in structure, attractive in appearance, and high in reliability, matching loss brought by a matching circuit is not generated, electrical performance is excellent, and the airborne navigation antenna can be used as a matching antenna of a landing system of a high-speed airborne instrument.
Description
Technical field
The invention belongs to airborne navigation field, be specifically related to a kind of airborne navigation antenna.
Background technology
Instrument landing system (ILS) is made up of airborne course downslide marker beacon receiving equipment and course, ground downslide marker beacon transmitter; The range information that it provides localizer, glide path and land and hold apart from runway for aircraft; Be used under IFR conditions, bring in for landing by the instrument indication.
The course frequency range that instrument landing system is used is 108MHz～112MHz, and the downslide frequency range is 328MHz～336MHz.Two kinds of modulation depths that receive signals that the ground station of this system through relatively runway edge setting sends with horizontal polarization are informed the displacement of aircraft on azimuth plane lands course line (or glide path), and the precision of information depends on the ability that pseudo-multipath signal that airborne antenna causes diffraction, reflection and cross polarization suppresses.Airborne antenna receives the radiofrequency signal of course, ground platform and following slide unit emission; Airborne receiving equipment is through navigation instrument and instrument; Indicate aircraft and depart from the information of given localizer and glide path; Thereby vector aircraft arrives visual runway threshold position by correct navigation channel track, accomplishes landing operation.
At present, the airborne antenna of instrument landing system both domestic and external mainly is installed on the vertical tail of aircraft, about two antenna symmetry install, be that protruding-type is installed, the aeroperformance and the outward appearance of aircraft affected; Another kind is the independent supporting separate antennas of heading system and downslide system, is installed on aeroplane nose, and this mode has increased the number of antenna, has increased weight, influences the overall aircraft layout, has reduced reliability.
Summary of the invention
The problems referred to above for the airborne antenna that solves instrument landing system exists the present invention proposes a kind of airborne navigation antenna, and this antenna mainly is made up of antenna cover, antenna radiator, base plate, angle Support and high-frequency socket.Wherein, antenna radiator is printed on the dielectric-slab, comprises downslide radiating element, course radiating element, earth connection and high impedance strip line; Radiating element has the oscillator that is made up of strip line, and is connected with the coupling strip line; The downslide radiating element links to each other through the high impedance strip line with the course radiating element; The course radiating element links to each other with earth connection through loaded cable; Antenna is through downslide radiating element feed signal.
The airborne navigation antenna of the present invention adopts planar structure, is course downslide combined antenna, is installed in the rebecca cover; Do not influence the aeroperformance of aircraft, reliability is high, compact conformation; Good looking appearance, the matching loss that no match circuit brings, excellent electrical properties; Can be used as the airborne supporting antenna of instrument landing system, and be applicable to the supporting installation of high-speed aircraft.
Description of drawings
Fig. 1 is the front view of the structural representation of the airborne navigation antenna of the present invention.
Fig. 2 is the following view of the structural representation of the airborne navigation antenna of the present invention
Fig. 3 is the structural representation of the antenna radiator of the airborne navigation antenna of the present invention.
Embodiment
Further specify embodiments of the invention below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, airborne navigation antenna of the present invention is a kind of antenna of planar structure, and this antenna mainly is made up of antenna radiator 100, antenna cover 200, high-frequency socket 300, base plate 400, angle Support 500.Wherein, antenna cover 200 is the housing of band step, and material selection fiberglass, base plate 400 are aluminium alloy plate, in order to strengthen its conductivity, have carried out the electric conductive oxidation processing, and antenna radiator 100 adopts the thick coating foil epoxy glass cloth laminate of 1mm; Through angle Support 500 radiant body 100 is connected with base plate 400, considers the intensity and the conductivity of angle Support 500, adopt the 1mm brass sheet to make; Base plate 400 is provided with high-frequency socket 300; Fill with RPUF in the cover body of antenna cover 200: base plate 400 is bonding with structure glue with the cover body of antenna cover 200: the hollow rivet is the connector of antenna cover 200 and base plate 400, also is the installing hole of antenna simultaneously; Antenna reliably is connected with airframe through six stainless steel screws.
As shown in Figure 3, antenna radiator 100 comprises: the coupling strip line 106 and 107 of downslide radiating element 101, course radiating element 102, high impedance strip line 103, earth connection 104, loaded cable 105, radiating element, radio frequency coaxial-cable 108.This radiant body 100 is with the printed circuit board form, and photoetching is on the epoxy dielectric-slab; Downslide radiating element 101 links to each other through high impedance strip line 103 with course radiating element 102; Course radiating element 102 links to each other with earth connection 104 through loaded cable 105; Downslide radiating element 101 has coupling strip line 106 and 107 respectively with course radiating element 102: with radio frequency coaxial-cable 108 signal is fed to antenna input port A from downslide radiating element 101 base drives point.
In this structure; Downslide radiating element 101 loads with course radiating element 102 each other; Satisfying under the prerequisite of antenna directivity; Guaranteed the requirement of standing-wave ratio: adopt the oscillator of strip line looping, add coil, tuning coil etc. and constitute the space coupling that resonant tank is accomplished two frequency band signals as antenna; Adopt single-ended coupling output two paths of signals.
This radiant body 100 utilizes annular and loads, and has realized two-band and high-gain; Course radiating element 102 has carried out adding perceptual load, to guarantee the requirement of physical dimension, improves the CURRENT DISTRIBUTION of oscillator, improves the effective depth of antenna.
The antenna main performance index is following;
A frequency bandwidth: course: 108MHz～112MHz: glide: 328MHz～336MHz
B voltage standing wave ratio :≤5: 1
C output impedance: 50 Ω
D polarization mode: horizontal polarization
The e directivity: the course direction is big
F overall dimension: highly: 175mm; Length is: 380mm; Width: 56mm
G single antenna weight :≤1.35kg
This shows that the airborne navigation antenna materials of the present invention are simple, reliability is high, the matching loss that no match circuit brings, and excellent electrical properties can be used as the airborne supporting antenna of instrument landing system, and is applicable to the for example supporting installation of supersonic plane of high-speed aircraft.
Claims (9)
1. an airborne navigation antenna has antenna radiator, it is characterized in that, said radiant body is printed on the dielectric-slab, comprises downslide radiating element, course radiating element, earth connection and high impedance strip line; Said radiating element has the oscillator that is made up of strip line, and is connected with the coupling strip line; Said downslide radiating element links to each other through said high impedance strip line with the course radiating element; Said course radiating element links to each other with said earth connection through loaded cable; Said antenna is through said downslide radiating element feed signal.
2. antenna as claimed in claim 1 is characterized in that, the described oscillator that is made up of strip line is as oscillator with this strip line looping.
3. antenna as claimed in claim 1 is characterized in that, said radiant body with the photoetching of printed circuit board form on said dielectric-slab.
4. antenna as claimed in claim 1 is characterized in that, said downslide unit bottom distributing point is connected with radio frequency coaxial-cable, is used for said signal is fed to the antenna input port.
5. like the described antenna of one of claim 1-4, it is characterized in that also having outer cover and base plate; Said antenna radiator places in the said outer cover, and is installed on the said base plate; Also be provided with high-frequency socket on the said base plate.
6. antenna as claimed in claim 5 is characterized in that said antenna radiator is connected through angle Support with base plate; Said outer cover is connected through the hollow rivet with said base plate, and carries out bonding with structure glue for the housing of band step; Be filled with RPUF in the cover body of said outer cover.
7. antenna as claimed in claim 6 is characterized in that, said hollow rivet is the installing hole that said antenna is installed.
8. like claim 6 or 7 described antennas, it is characterized in that said dielectric-slab is a coating foil epoxy glass cloth laminate; Said base plate adopts aluminium alloy plate, and the electric conductive oxidation processing has been carried out on its surface; Said cover body adopts glass-reinforced plastic material.
9. like the described antenna of one of claim 1-8, it is characterized in that the overall dimension of said antenna is: highly * length x width=175mm * 380mm * 56mm; Weight≤1.35kg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210201225.4A CN102738573B (en) | 2012-06-09 | 2012-06-09 | Airborne navigation antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210201225.4A CN102738573B (en) | 2012-06-09 | 2012-06-09 | Airborne navigation antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102738573A true CN102738573A (en) | 2012-10-17 |
| CN102738573B CN102738573B (en) | 2015-01-07 |
Family
ID=46993628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210201225.4A Active CN102738573B (en) | 2012-06-09 | 2012-06-09 | Airborne navigation antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN102738573B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161818A (en) * | 2015-10-22 | 2015-12-16 | 中电科航空电子有限公司 | Airport wireless communication antenna |
| CN108511894A (en) * | 2018-02-28 | 2018-09-07 | 中国人民解放军空军研究院航空兵研究所 | A kind of two-sided antisymmetry structure dipole element of the inverted V-shaped of deformation is airborne to defend exceedingly high line |
| CN111107623A (en) * | 2019-12-10 | 2020-05-05 | 陕西凌云电器集团有限公司 | System clock synchronization method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369929A (en) * | 2001-02-13 | 2002-09-18 | 财团法人工业技术研究院 | Sheet antenna |
| CN101192705A (en) * | 2006-11-26 | 2008-06-04 | 覃毅 | Super short wave all-frequency band combined airplane antenna |
| US20090153410A1 (en) * | 2007-12-18 | 2009-06-18 | Bing Chiang | Feed networks for slot antennas in electronic devices |
| US20090284431A1 (en) * | 2008-05-19 | 2009-11-19 | Bae Systems Information And Electronic Systems Intergration Inc. | Integrated electronics matching circuit at an antenna feed point for establishing wide bandwidth, low vswr operation, and method of design |
-
2012
- 2012-06-09 CN CN201210201225.4A patent/CN102738573B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1369929A (en) * | 2001-02-13 | 2002-09-18 | 财团法人工业技术研究院 | Sheet antenna |
| CN101192705A (en) * | 2006-11-26 | 2008-06-04 | 覃毅 | Super short wave all-frequency band combined airplane antenna |
| US20090153410A1 (en) * | 2007-12-18 | 2009-06-18 | Bing Chiang | Feed networks for slot antennas in electronic devices |
| US20090284431A1 (en) * | 2008-05-19 | 2009-11-19 | Bae Systems Information And Electronic Systems Intergration Inc. | Integrated electronics matching circuit at an antenna feed point for establishing wide bandwidth, low vswr operation, and method of design |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161818A (en) * | 2015-10-22 | 2015-12-16 | 中电科航空电子有限公司 | Airport wireless communication antenna |
| CN105161818B (en) * | 2015-10-22 | 2019-05-14 | 中电科航空电子有限公司 | Airport radio antenna |
| CN108511894A (en) * | 2018-02-28 | 2018-09-07 | 中国人民解放军空军研究院航空兵研究所 | A kind of two-sided antisymmetry structure dipole element of the inverted V-shaped of deformation is airborne to defend exceedingly high line |
| CN108511894B (en) * | 2018-02-28 | 2024-01-05 | 中国人民解放军空军研究院航空兵研究所 | Deformable inverted-V-shaped dipole oscillator airborne defensive antenna with double-sided antisymmetric structure |
| CN111107623A (en) * | 2019-12-10 | 2020-05-05 | 陕西凌云电器集团有限公司 | System clock synchronization method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102738573B (en) | 2015-01-07 |
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