CN106025487B - A kind of direction-finder antenna and DF antenna system - Google Patents
A kind of direction-finder antenna and DF antenna system Download PDFInfo
- Publication number
- CN106025487B CN106025487B CN201610297837.6A CN201610297837A CN106025487B CN 106025487 B CN106025487 B CN 106025487B CN 201610297837 A CN201610297837 A CN 201610297837A CN 106025487 B CN106025487 B CN 106025487B
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- China
- Prior art keywords
- antenna
- finder
- rotating platform
- casing
- azimuth rotating
- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- 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
- H01Q13/02—Waveguide horns
-
- 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
- H01Q15/24—Polarising devices; Polarisation filters
-
- 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
- H01Q19/12—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 wherein the surfaces are concave
- H01Q19/13—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 wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
- H01Q19/132—Horn reflector antennas; Off-set feeding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
The invention belongs to antenna technical field, the DF antenna system of a kind of direction-finder antenna and its application is disclosed.The direction-finder antenna includes antenna casing, antenna casing be set as having upper cover plate, lower cover plate, right baffle-plate, right shell body and back reflection plate open box, the cross section of back reflection plate is set as parabolic shape, the opening of antenna casing is set side by side with multiple circular polarizers, and the output end of each circular polarizer is provided with loudspeaker；Feed of the emission port towards back reflection plate is provided in antenna casing.The DF antenna system includes mounting base, and azimuth rotating platform is provided on mounting base, and multiple direction-finder antennas can be sequentially installed with up and down on antenna holder, multiple direction-finder antennas are parallel to each other with the antenna holder that rotates with it by being provided on azimuth rotating platform.The direction-finder antenna and circular polarisation fan-shaped beam in broadband is realized, and can pass through to automatically control using the DF antenna system of the direction-finder antenna and realize automatically scanning and tracking.
Description
Technical field
The invention belongs to antenna technical field, in particular to the DF antenna system of a kind of direction-finder antenna and its application.
Background technique
Direction-finder antenna is accomplished that the wide circular polarisation fan-shaped beam of all-wave conduction band, common design scheme realize circular polarisation
Can, good matching is only realized in the range of narrowband；Metallic membrane form, resonant cavity form are either used, or is used
Adjust screw-type, it is desirable to led in range in the all-wave of 40% bandwidth, axis than and standing wave all take into account it is good, implement have it is certain
Difficulty.
Currently, the fan-shaped beam of general type all uses trumpet array either cut-parabolic antenna, narrow-band is realized
Fan-shaped beam, but occur as soon as that feed is difficult on a wide frequency band, the performance of circular polarisation in addition added, using conventional cutting
Paraboloid or trumpet array form just cannot achieve.
Summary of the invention
The object of the present invention is to provide a kind of direction-finder antenna and its DF antenna system of application, the direction-finder antenna and realization
Circular polarisation fan-shaped beam in broadband, and can be passed through using the DF antenna system of the direction-finder antenna automatically control it is real
Existing automatically scanning and tracking.
To achieve the above objectives, the present invention is achieved by the following scheme.
Scheme one:
A kind of direction-finder antenna, it is characterised in that: include antenna casing, the antenna casing is the opening box of front opening
Shape, the cross section of the back reflection plate of the antenna casing are set as parabolic shape, and the leading portion close-packed arrays of the antenna casing are set
Multiple circular polarizers are equipped with, the front port of the antenna casing is provided with multiple loudspeaker, the output of the loudspeaker and circular polarizer
End correspondence is connected；In the antenna casing, feed is provided between back reflection plate and the input terminal of circular polarizer, it is described
The emission port of feed is towards back reflection plate.
The characteristics of above-mentioned technical proposal and further improvement:
Further, the loudspeaker are square the pyramid loudspeaker of bore.
Further, the focal point of the back reflection plate of parabolic shape is arranged in the feed.
Further, the circular polarizer is set side by side with a column and takes the opening of antenna casing.
Further, the antenna casing includes upper cover plate, lower cover plate, right baffle-plate, right shell body and back reflection plate, it is described on
Cover board is parallel to each other with lower cover plate, and the left baffle and right baffle is parallel to each other.
Scheme two:
A kind of DF antenna system is based on above-mentioned direction-finder antenna, it is characterised in that: including azimuth rotating platform, the orientation turns
Interval from top to bottom is installed on a direction-finder antenna or the azimuth rotating platform on platform, two or more direction findings are installed
Antenna, the multiple direction-finder antenna are parallel to each other.
The characteristics of above-mentioned technical proposal and further improvement:
Further, the port of the loudspeaker of the multiple direction-finder antenna is coplanar.
Further, the azimuth rotating platform is arranged on mounting base, and antenna holder, institute are provided on the azimuth rotating platform
Direction-finder antenna is stated to be mounted on azimuth rotating platform by antenna holder.
Further, the antenna house for protecting device mounted thereto is provided on the mounting base；The day
The lower part of irdome be straight-tube shape, upper part be it is hemispherical, straight-tube shape and it is hemispherical between rounding off；The antenna house is honeycomb
The composite dielectric materials of structure are made.
Further, the DF antenna system further includes the control unit for control azimuth turntable, and the control is single
Member includes single-chip microcontroller, keyboard and display for human-computer interaction；The I of the keyboard Ο output end electrical connection single-chip microcontroller I
Ο input terminal, the I of the single-chip microcontroller Ο output end electrical connection display I Ο input terminal, the control terminal electricity of the single-chip microcontroller
The control terminal of connection orientation turntable.
Direction-finder antenna of the invention, feed is by electromagnetic wave signal feed antenna shell, after the reflection of back reflection plate successively
Into in circular polarizer and trumpet array, circular polarisation electromagnetic wave, entelechy are formed by dieelctric sheet phase shift in circular polarizer array
Change electromagnetic wave and obtain circular polarisation fan-shaped beam after trumpet array, to realize the requirement of circular polarisation fan-shaped beam well.
DF antenna system of the invention is provided with the direction-finder antenna of multiple and different frequencies on azimuth rotating platform, realizes
Direction finding while multiple frequency ranges；Using operation, azimuth rotating platform with high accuracy and control unit is facilitated, pass through computer remote spirit
The orientation mode of control living and observed bearing turntable, control unit support the control of ether net mode, have keyboard and display equipment
It is interacted with user, realizes and conveniently control.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of direction-finder antenna of the invention；
Fig. 2 is the partial enlargement diagram of A meaning part in Fig. 1
Fig. 3 is the elevational schematic view of Fig. 1；
Fig. 4 is a kind of structural schematic diagram of DF antenna system of the invention；
Fig. 5 is the axis that is obtained using direction-finder antenna of the invention than test emulation curve graph；
In figure: 1, upper cover plate；2, lower cover plate；3, right baffle-plate；4, right shell body；5, back reflection plate；6, circular polarizer；7, loudspeaker
?；8, feed；9, mounting base；10, azimuth rotating platform；11, antenna holder；12, direction-finder antenna；13, antenna house；14, control is single
Member.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Referring to Fig.1, Fig. 2, Fig. 3 are a kind of structural schematic diagram of direction-finder antenna of the invention；The direction-finder antenna includes antenna
Shell, antenna casing are the open box of front opening, and antenna casing includes upper cover plate 1, lower cover plate 2, right baffle-plate 3, right shell body
4 and back reflection plate 5, upper cover plate 1 be parallel to each other with lower cover plate 2, right baffle-plate 3 and right shell body 4 are parallel to each other；The cross of back reflection plate 5
Section is set as parabolic shape, and the leading portion close-packed arrays of antenna casing are provided with multiple circular polarizers 6, and circular polarizer 6 is set side by side
It is equipped with a column and takes the opening of antenna casing, the front port of antenna casing is provided with loudspeaker 7, loudspeaker 7 and circular polarizer 6
Output end correspondence is connected, and loudspeaker 7 realize the function point to circular polarisation electromagnetic wave；Emission port is provided in antenna casing after
The feed 8 for electromagnetic signals of reflecting plate 5, feed 8 be located at back reflection plate 5 and circular polarizer 6 input terminal it
Between, feed 8 is exported on lower cover plate 2 by coaxial fitting by coaxial cable, leaves user's radio frequency interface, interface section sealing for
Waterproof adapts to outdoor use environment.
In the present embodiment, loudspeaker 7 are square the pyramid loudspeaker of bore, both solve circular polarisation by pyramid loudspeaker
Problem realizes the radiation characteristic in large scale narrow beam face simultaneously again.The focus of the back reflection plate 5 of parabolic shape is arranged in feed 8
Place, reaches uniform reflecting effect.
Electromagnetic wave signal feed antenna shell is sequentially entered 6 He of circular polarizer after the reflection of back reflection plate 5 by feed 8
In 7 array of loudspeaker, circular polarisation electromagnetic wave is formed by dieelctric sheet phase shift in 6 array of circular polarizer, circular polarisation electromagnetic wave passes through
Circular polarisation fan-shaped beam is obtained after 7 array of loudspeaker, to realize the requirement of circular polarisation fan-shaped beam well.
It is a kind of structural schematic diagram of DF antenna system of the invention referring to Fig. 4；DF antenna system includes installation bottom
Plate 9 is provided with azimuth rotating platform 10 on mounting base 9, be provided on azimuth rotating platform 10 can with the antenna holder 11 that rotates with it,
It is sequentially installed at least one direction-finder antenna 12 up and down on antenna holder 11, in order to guarantee the isolation between two direction-finder antennas 12
Degree needs at a distance when two neighboring antenna direction finding antenna 12 is installed, and direction-finder antenna 12 is above-mentioned direction-finder antenna, multiple
Direction-finder antenna 12 is parallel to each other.Based on the received the tilt angle of velocity of wave come determine direction-finder antenna 12 install tilt angle.It surveys
It to 12 numbers of antenna is determined according to frequency range, is realized in the present embodiment using two direction-finder antennas 12, direction finding day
12 quantity of line can be increased or be reduced according to specific frequency, and the frequency of multiple direction-finder antennas 12 is different, to realize not
Direction finding while same frequency.
The port of the loudspeaker of multiple direction-finder antennas 12 is coplanar, to realize the starting point of the wave beam of each sending of direction-finder antenna 12
Unanimously.
The antenna house 13 for protecting device mounted thereto is provided on mounting base 9；The lower part of antenna house 13 is
Straight-tube shape, upper part be it is hemispherical, straight-tube shape and it is hemispherical between rounding off；Antenna house 13 is the complex media of honeycomb
Material is made.Since 12 working frequency of direction-finder antenna is relatively high, antenna house 13 will be brighter on the influence of 12 performance of direction-finder antenna
It is aobvious, therefore the material of antenna house 13 and shape design are all important, the selections of antenna house 13 in the present embodiment in high frequency
Cellular material selects unbraced structure design, realizes good electric property.
DF antenna system further includes the control unit for control azimuth turntable 10, and control unit includes single-chip microcontroller, is used
In the keyboard and display of human-computer interaction；The I of keyboard Ο output end electrical connection single-chip microcontroller I Ο input terminal, the I of single-chip microcontroller
Ο output end be electrically connected display I Ο input terminal, single-chip microcontroller control terminal electrical connection azimuth rotating platform 10 control terminal.This control
Unit processed completes the accurate control to azimuth rotating platform 10, and the orientation angles of rotation can be shown by display, passes through key
Disk completes artificial input setting.
DF antenna system of the invention is provided with the direction-finder antenna of multiple and different frequencies on azimuth rotating platform, realizes
Direction finding while multiple frequency ranges；Using operation, azimuth rotating platform with high accuracy and control unit is facilitated, pass through computer remote spirit
The orientation mode of control living and observed bearing turntable, control unit support the control of ether net mode, have keyboard and display equipment
It is interacted with user, realizes and conveniently control.Pass through the axis shown in fig. 5 obtained using direction-finder antenna of the invention
Than test emulation curve graph；It can be seen that direction-finder antenna advantage of the invention.
Although embodiment of the present invention is described in conjunction with attached drawing above, the invention is not limited to above-mentioned
Specific embodiments and applications field, above-mentioned specific embodiment is only schematical, directiveness, rather than is limited
Property.Those skilled in the art are under the enlightenment of specification, in the range for not departing from the claims in the present invention and being protected
In the case where, a variety of forms can also be made, these belong to the column of protection of the invention.
Claims (6)
1. a kind of direction-finder antenna, it is characterised in that: it include antenna casing, the antenna casing is the open box of front opening,
The cross section of the back reflection plate (5) of the antenna casing is set as parabolic shape, and the leading portion close-packed arrays of the antenna casing are set
It is equipped with multiple circular polarizers (6), the front port of the antenna casing is provided with multiple loudspeaker (7), the loudspeaker (7) and circular polarisation
The output end correspondence of device (6) is connected；In the antenna casing, be located at back reflection plate (5) and circular polarizer (6) input terminal it
Between be provided with feed (8), the emission port of the feed (8) is towards back reflection plate (5)；
The loudspeaker (7) are square the pyramid loudspeaker of bore；The circular polarizer (6) forms circular polarisation by dieelctric sheet phase shift
Electromagnetic wave；
The circular polarizer (6) is set side by side with a column and takes the opening of antenna casing.
2. a kind of direction-finder antenna as described in claim 1, it is characterised in that: after parabolic shape is arranged in the feed (8)
The focal point of reflecting plate (5).
3. a kind of direction-finder antenna as described in claim 1, it is characterised in that: the antenna casing includes upper cover plate (1), lower cover
Plate (2), right baffle-plate (3), right shell body (4) and back reflection plate (5), the upper cover plate (1) is parallel to each other with lower cover plate (2), described
Right baffle-plate (3) and right shell body (4) are parallel to each other.
4. a kind of DF antenna system is based on the described in any item direction-finder antennas of claim 1-3, it is characterised in that: including side
Position turntable (10), be equipped on a direction-finder antenna (12) or the azimuth rotating platform (10) on the azimuth rotating platform (10) from
Top to bottm interval is equipped with two or more direction-finder antennas (12)；
When interval is equipped with two or more direction-finder antenna (12) from top to bottom on the azimuth rotating platform (10), Duo Gesuo
It states direction-finder antenna (12) to be parallel to each other, the port of the loudspeaker of multiple direction-finder antennas (12) is coplanar；
The azimuth rotating platform (10) is arranged on mounting base (9), is provided with antenna holder (11) on the azimuth rotating platform (10)；
When interval is equipped with two or more direction-finder antenna (12) from top to bottom on the azimuth rotating platform (10), Duo Gesuo
Direction-finder antenna (12) are stated to be mounted on azimuth rotating platform (10) by antenna holder (11).
5. a kind of DF antenna system as claimed in claim 4, it is characterised in that: be arranged on the mounting base (9) useful
In the antenna house (13) for protecting device mounted thereto；The lower part of the antenna house (13) is straight-tube shape, and upper part is hemisphere
Shape, straight-tube shape and it is hemispherical between rounding off；The antenna house (13) is made of the composite dielectric materials of honeycomb.
6. a kind of DF antenna system as described in claim 4 or 5, it is characterised in that: the DF antenna system also wraps
Include the control unit for control azimuth turntable (10), described control unit includes single-chip microcontroller, for human-computer interaction keyboard and
Display；The I of the keyboard Ο output end electrical connection single-chip microcontroller I Ο input terminal, the I of the single-chip microcontroller Ο output end electricity
Connect display I Ο input terminal, the single-chip microcontroller control terminal electrical connection azimuth rotating platform (10) control terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297837.6A CN106025487B (en) | 2016-05-06 | 2016-05-06 | A kind of direction-finder antenna and DF antenna system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610297837.6A CN106025487B (en) | 2016-05-06 | 2016-05-06 | A kind of direction-finder antenna and DF antenna system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106025487A CN106025487A (en) | 2016-10-12 |
| CN106025487B true CN106025487B (en) | 2019-03-26 |
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ID=57081362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610297837.6A Active CN106025487B (en) | 2016-05-06 | 2016-05-06 | A kind of direction-finder antenna and DF antenna system |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB818447A (en) * | 1956-10-31 | 1959-08-19 | Bendix Aviat Corp | Microwave antenna feed for circular polarization |
| GB1305117A (en) * | 1970-07-13 | 1973-01-31 | ||
| CN2879452Y (en) * | 2005-09-07 | 2007-03-14 | 杨华 | 18G high-frequency high-performance plate type reflection antenna |
| CN201716377U (en) * | 2010-06-03 | 2011-01-19 | 四川省无线电监测站 | Microwave frequency band radio monitoring system |
| CN202275952U (en) * | 2011-09-29 | 2012-06-13 | 中国兵器工业第二〇六研究所 | Millimeter wave circular polarization medium antenna |
| CN203013935U (en) * | 2012-12-21 | 2013-06-19 | 中国航空工业第六○七研究所 | Circular polarization horn antenna used for W frequency range |
| CN103236586A (en) * | 2013-03-21 | 2013-08-07 | 西安电子科技大学 | Small circularly-polarized horn antenna |
| CN203674395U (en) * | 2013-12-31 | 2014-06-25 | 成都华日通讯技术有限公司 | Planar helical microwave direction-finding antenna array |
| CN103956568A (en) * | 2014-05-22 | 2014-07-30 | 西安空间无线电技术研究所 | Box-shaped fan-beam antenna |
-
2016
- 2016-05-06 CN CN201610297837.6A patent/CN106025487B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB818447A (en) * | 1956-10-31 | 1959-08-19 | Bendix Aviat Corp | Microwave antenna feed for circular polarization |
| GB1305117A (en) * | 1970-07-13 | 1973-01-31 | ||
| CN2879452Y (en) * | 2005-09-07 | 2007-03-14 | 杨华 | 18G high-frequency high-performance plate type reflection antenna |
| CN201716377U (en) * | 2010-06-03 | 2011-01-19 | 四川省无线电监测站 | Microwave frequency band radio monitoring system |
| CN202275952U (en) * | 2011-09-29 | 2012-06-13 | 中国兵器工业第二〇六研究所 | Millimeter wave circular polarization medium antenna |
| CN203013935U (en) * | 2012-12-21 | 2013-06-19 | 中国航空工业第六○七研究所 | Circular polarization horn antenna used for W frequency range |
| CN103236586A (en) * | 2013-03-21 | 2013-08-07 | 西安电子科技大学 | Small circularly-polarized horn antenna |
| CN203674395U (en) * | 2013-12-31 | 2014-06-25 | 成都华日通讯技术有限公司 | Planar helical microwave direction-finding antenna array |
| CN103956568A (en) * | 2014-05-22 | 2014-07-30 | 西安空间无线电技术研究所 | Box-shaped fan-beam antenna |
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| CN106025487A (en) | 2016-10-12 |
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