CN107910649A - A kind of small-sized S/C dual-waveband planes bore spiral combined antenna - Google Patents
A kind of small-sized S/C dual-waveband planes bore spiral combined antenna Download PDFInfo
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- CN107910649A CN107910649A CN201711004925.3A CN201711004925A CN107910649A CN 107910649 A CN107910649 A CN 107910649A CN 201711004925 A CN201711004925 A CN 201711004925A CN 107910649 A CN107910649 A CN 107910649A
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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
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Abstract
The invention discloses a kind of small-sized S/C dual-waveband planes to bore spiral combined antenna, includes the medium seat of conical hollow, the feeder panel being placed at the top of medium seat prints cone helical antenna on the first substrate, and the first substrate is attached on the taper surface of medium seat；The flat helical antenna being printed on second substrate, the second substrate are placed on the base of medium seat, are fixedly connected with the joining place of first substrate；With hollow cavity and open-topped metal pedestal, medium seat is fixed on the top of the metal pedestal, and the bottom of the metal pedestal is provided with through hole；One end of balun sequentially passes through the through hole at the top of metal pedestal bottom and medium seat, its metal screen layer and inner wire are welded on two plated-through holes of feeder panel.Flat helical antenna and cone helical antenna are combined design by the present invention, and combined antenna can take into account miniaturization, high efficiency, high-gain, circular polarisation and the performance requirement compared with broad beam at the same time.
Description
Technical field
It is spiral multiple more particularly, to a kind of small-sized S/C dual-waveband planes cone the invention belongs to microwave antenna art field
Close antenna.
Background technology
Helical antenna can not only realize broad beam circular polarisation, also excellent with small, light-weight and stable structure etc.
Point, thus be widely used in satellite communication field.
Helical antenna includes flat helical antenna and stereo spiral antenna, such as conical spiral antenna, but snail day
Linear heat generation rate capacity and radiation efficiency are relatively low, and frequency low side gain is typically smaller than 0 decibel；Although conical spiral antenna can realize compared with
High gain, but wide angle axis is poor, and beam angle changes obvious with frequency；In S/C wave bands, antenna is improved in broadband, Kuan Jiao
Gain in degree is to meet Effective Radiated Power index, the important channel of lifting transmitting-receiving effect, and the plane generally used at present
Helical antenna or conical spiral antenna are individually designed, it is difficult to satisfaction can realize miniaturization, high efficiency, high-gain, circular polarisation,
Compared with the requirement of broad beam work.
The content of the invention
For the disadvantages described above or Improvement requirement of the prior art, the present invention provides one kind by flat helical antenna and the conical surface
Small-sized S/C dual-waveband planes that helical antenna combines bore spiral combined antenna, and its object is to solve existing individually to set
The flat helical antenna or conical spiral antenna of meter can not take into account miniaturization, high efficiency, high-gain, circular polarisation and compared with broad beam
Problem.
To achieve the above object, one side according to the invention, there is provided a kind of small-sized S/C dual-waveband planes cone is spiral
Combined antenna, including：
The medium seat of conical hollow, the medium seat tool have the circular flat of middle part perforate, and outside in the horizontal direction
The base of extension；
The cone helical antenna of printing on the first substrate, the first substrate are attached on the taper surface of medium seat；
The flat helical antenna being printed on second substrate, the second substrate are placed on the base of medium seat, with
The joining place of one substrate is fixedly connected；
With hollow cavity and open-topped metal pedestal, medium seat is fixed on the top of the metal pedestal, the metal
The bottom of seat is provided with through hole；
The feeder panel being placed in medium seat circular flat, the feeder panel are overlapped with first substrate using chaff,
The feeder panel is circular copper-clad plate, and thereon with separated lying copper region at two, each lying copper region has the metallization logical respectively
Hole；
Balun, one end of the balun sequentially pass through the through hole at the top of metal pedestal bottom and medium seat, its metal screen layer
It is welded to inner wire on two plated-through holes of feeder panel.
Preferably, above-mentioned small-sized S/C dual-waveband planes bore spiral combined antenna, further include consolidating installed in metal pedestal bottom
Determine block, through hole is provided with the fixed block, balun is through the through hole and with fixing block welding.
Preferably, above-mentioned small-sized S/C dual-waveband planes bore spiral combined antenna, and the lying copper region of feeder panel is symmetrically arranged
Sector region, the plated-through hole is positioned at fan-shaped circle centre position.
Preferably, above-mentioned small-sized S/C dual-waveband planes bore spiral combined antenna, its flat helical antenna is double for Archimedes
Helical antenna, spiral line width are 0.35mm, spacing 0.32mm.
Preferably, above-mentioned small-sized S/C dual-waveband planes bore spiral combined antenna, it bores helical antenna as pyramid spiral shells such as the conical surfaces
Two spiral arms of two spiral arms of the pyramid helical antenna such as antenna, the conical surface respectively with flat helical antenna are revolved to overlap.
Preferably, above-mentioned small-sized S/C dual-waveband planes bore spiral combined antenna, its flat helical antenna and cone helical antenna
Rotation direction to be left-handed, or dextrorotation.
Preferably, above-mentioned small-sized S/C dual-waveband planes bore spiral combined antenna, and the metal screen layer cut end of its balun is bent
Line meets curve z=4.8^y-1 (0≤y≤2.2)；The other end of balun is connected with the radio frequency connector for being used for transmission signal.
Preferably, above-mentioned small-sized S/C dual-waveband planes bore spiral combined antenna, further include antenna house, the antenna house is tight
The surface for being placed on first substrate and second substrate is pasted, its bottom is fixed in metal pedestal.
Preferably, above-mentioned small-sized S/C dual-waveband planes bore spiral combined antenna, and the base surrounding of its medium seat is with multiple
Protrusion, has the through hole for being fixed on medium seat in metal pedestal thereon.
Preferably, above-mentioned small-sized S/C dual-waveband planes bore spiral combined antenna, and the material of its medium seat is polytetrafluoroethyl-ne
Alkene, the material of the metal pedestal is copper；The first substrate is flexible microwave substrate, and the second substrate is pcb board, described
The plate of feeder panel is the RO4350B microwave base plates of thickness 1mm.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
(1) small-sized S/C dual-waveband planes provided by the invention bore spiral combined antenna, by flat helical antenna and bore spiral
Antenna composite design, and by carrying out proportional space configuration to key component such as balun, feeder panel, medium seat and metal pedestal, reach
To the effect of the integration of S/C dual-band antennas, miniaturization, wherein flat helical antenna is responsible for the aerial radiation requirement of S-band, bores
Helical antenna is responsible for the aerial radiation requirement of C-band, has the characteristics that wide angle, high-gain, and can take into account miniaturization, height
Efficiency, high-gain, circular polarisation and the performance requirement compared with broad beam；
(2) small-sized S/C dual-waveband planes provided by the invention bore spiral combined antenna, and cone helical antenna, which has, flexibly to be set
The free degree is counted, the requirement of broad beam directional diagram can be realized by suitably adjusting the parameters such as antenna cone angle and winding angle；
(3) small-sized S/C dual-waveband planes provided by the invention bore spiral combined antenna, the Curve Design of balun cut end and
The sector of feeder panel is covered copper and is designed so that antenna has good standing wave performance, and the length that balun stretches out metal pedestal can be adjusted suitably
It is whole, to meet different installation requirements；
(4) small-sized S/C dual-waveband planes provided by the invention bore spiral combined antenna, and medium seat and metal pedestal constitute one
Kind general support platform, by replace flat helical antenna and bore helical antenna can meet different-waveband antenna transmitting and
Reception demand.
Brief description of the drawings
Fig. 1 is the structure cutaway view that small-sized S/C dual-waveband planes provided in an embodiment of the present invention bore spiral combined antenna；
Fig. 2 is medium holder structure schematic diagram provided in an embodiment of the present invention, wherein, Fig. 2 a are the three-dimensional signals of medium seat
Figure, Fig. 2 b are the sectional views of medium seat, and Fig. 2 c are the front views of medium seat, and Fig. 2 d are the bottom schematic views of medium seat；
Fig. 3 is metal base structure schematic diagram provided in an embodiment of the present invention, wherein, Fig. 3 a are the three-dimensional signals of metal pedestal
Figure, Fig. 3 b are the bottom schematic views of metal pedestal, and Fig. 3 c are the sectional views of metal pedestal, and Fig. 3 d are the top views of metal pedestal；
Fig. 4 is fixed-block-architecture (FBA) schematic diagram provided in an embodiment of the present invention, wherein, Fig. 4 a are the front views of fixed block, figure
4b is the sectional view of fixed block；
Fig. 5 is snail printed board schematic diagram provided in an embodiment of the present invention；
Fig. 6 is cone helical flexible printed board schematic diagram provided in an embodiment of the present invention；
Fig. 7 is small-sized feeder panel schematic diagram provided in an embodiment of the present invention；
Fig. 8 is balun organigram provided in an embodiment of the present invention；
Fig. 9 is antenna cover structure schematic diagram provided in an embodiment of the present invention, and wherein Fig. 9 a are the bottom schematic views of antenna house,
Fig. 9 b are the sectional views of antenna pedestal；
In all of the figs, same reference numeral represents identical technical characteristic, is specially：1- antenna houses；2- media
Seat；3- bores helical flexible printed board；4- snail printed boards；5- baluns；6- metal pedestals；7- fasteners；8- feeder panels；9- consolidates
Determine block.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Not forming conflict each other can be mutually combined.
Fig. 1 is the structure cutaway view that small-sized S/C dual-waveband planes provided in an embodiment of the present invention bore spiral combined antenna, is wrapped
Include antenna house 1, medium seat 2, cone helical flexible printed board 3, snail printed board 4, balun 5, metal pedestal 6, fastener 7, feedback
Battery plate 8 and fixed block 9；
Cone helical flexible printed board 3 is covered in 2 surface of medium seat, and 3 itself joining place of cone helical flexible printed board is welded
Connect in succession；Small-sized feeder panel 8 is located at 2 top of medium seat, and snail printed board 4 is installed on the base of medium seat 2, with boring spiral shell
Rotation 3 joining place of flexible board is welded to connect；Fixed block 9 is installed on 6 bottom of metal pedestal, and balun 5 passes through fixed block 9, with fixation
Welded 9 contact position of block；The tip of balun 5 is through the top of medium seat 2 and is welded on feeder panel 8, and the flush end of balun 5 is used
In the radio frequency connector of connection transmission signal；Antenna house 1 is close to cover all printed boards, and bottom is anchored on metal pedestal 6 with screw
On.
Fig. 2 is medium holder structure schematic diagram provided in an embodiment of the present invention, and the material of medium seat 2 is preferably polytetrafluoroethyl-ne
Alkene, medium seat 2 is process using teflon rod, and as shown in Fig. 2 b, 2c, medium seat 2 is preferably conical hollow shape, its
Top has circular flat, and through hole is provided with flat-top；As shown in Fig. 2 a, 2d, 2 bottom of medium seat is along perpendicular to line side of conical centre
To with approximate circle base, screw hole is had on four protrusions of base surrounding, for medium seat 2 to be fixed on
In metal pedestal 6.
Fig. 3 is metal base structure schematic diagram provided in an embodiment of the present invention, and the material of metal pedestal 6 is preferably copper, metal
Seat 6 is used to support medium seat 2 and fixed balun 5, the shape of metal pedestal 6 are not specifically limited, its cross-sectional area is slightly larger than Jie
The base area of matter seat 2；As shown in Fig. 3 c, 3d, the inside of metal pedestal 6 is hollow cavity and open top, hollow cavity
Shape be not especially limited, the present embodiment is preferably cylindrical；Its top open part is surrounded by prominent with 2 bottom of medium seat
Go out the corresponding groove of thing shape, be provided with screw hole in groove, medium seat 2 is placed in a groove, and fixed and connected by fastener
Connect；As shown in Fig. 3 a, 3b, the center of 6 bottom of metal pedestal is equipped with the through hole for allowing balun 5 to pass through, and the both sides of through hole are provided with
Two screw holes, for installing fixed block 9；
Fig. 4 is fixed-block-architecture (FBA) schematic diagram provided in an embodiment of the present invention, as shown in Fig. 4 a, 4b, during fixed block 9 is preferably
Portion is provided with the rectangular parallelepiped structure of through hole, and through hole both sides are provided with screw hole, and fixed block is installed on to the bottom of metal pedestal 6 by screw
Portion.
Fig. 5 is snail printed board schematic diagram provided in an embodiment of the present invention, and snail printed board 3 is preferably to use
Pcb board material is as substrate, the cyclic structure for being preferably shaped to two concentric circles and forming of substrate, the bottom of its area and medium seat 2
Seat (not including protrusion) area is suitable；Flat helical antenna is printed on substrate, and the type of flat helical antenna is not done specifically
Limit, it is preferably Archimedes's dual spiral antenna that equiangular spiral antenna or Archimedes's dual spiral antenna, the present embodiment, which can be selected,
Spiral line width is 0.35mm, spacing 0.32mm, has two spiral arms, and the rotation direction of flat helical antenna is not especially limited, left
Rotation or dextrorotation, snail printed board 3 are placed on the base of medium seat 2.
Fig. 6 is cone helical flexible printed board schematic diagram provided in an embodiment of the present invention, and cone helical flexible printed board 4 is in fan
Shape, tapered after fan-shaped two straight flanges linking, cone helical flexible printed board 4 is preferably to use thickness as the flexible micro- of 0.0508mm
Ripple substrate, is printed with cone helical antenna thereon, forms two spiral arms；The type of cone helical antenna is not specifically limited, Ke Yishi
The wide lines such as Archimedes, or conical surface equiangular spiral antenna, the present embodiment are preferably conical surface equiangular spiral antenna；Bore helical flexible
Printed board 4 is covered in the conical surface of medium seat 2, and 4 itself joining place of cone helical flexible printed board is welded to connect, and cone is spiral
The joining place of flexible printed circuit 4 and snail printed board 3 is preferably by being welded to connect；Bore two spiral arms point of helical antenna
Two spiral arms not with flat helical antenna overlap, and the rotation direction for boring helical antenna is not especially limited, left or right rotation.
Fig. 7 is small-sized feeder panel schematic diagram provided in an embodiment of the present invention, 8 preferably circular single-side coated copper plate of feeder panel,
It is in symmetric fanning to cover copper position, and fan-shaped circle centre position has a plated-through hole respectively, and the present embodiment preferably covers copper to through hole
Processing；The plate of feeder panel 8 is preferably the circular flat top surface of the RO4350B microwave base plates of thickness 1mm, its area and medium seat 2
Product is suitable, and feeder panel 8 is placed in the circular flat at the top of medium seat 2, and the joining place with boring helical flexible plate 4 uses metal foil
Bar overlaps, and the present embodiment preferably uses copper foil.
Fig. 8 is balun organigram provided in an embodiment of the present invention, and balun 5 is made of coaxial cable SFT-50-2-1
Form, as shown in Fig. 2, the metal screen layer cut end curve of balun 5 meets curve z=4.8^y-1 (0≤y≤2.2)；Balun 5
Z axis negative end by being welded and connected with radio frequency connector SMA-JB2D；The Z axis forward end of balun 5 sequentially passes through 9 He of fixed block
The through hole of metal pedestal 6, and 2 top through hole of medium seat is passed through, the metal screen layer and inner wire in balun 5 are welded to small-sized
On two plated-through holes of feeder panel 8, balun 5 is fixedly connected with 9 contact site of fixed block preferably by soldering.
Fig. 9 is antenna cover structure schematic diagram provided in an embodiment of the present invention, as preference, 1 shaped upper part of antenna house is
The conical hollow identical with medium seat 2, bottom shape is identical with metal pedestal 6, and antenna house 1 is close to overlay planes printed spiral plate 3
With cone printed spiral plate 4, its bottom is anchored in metal pedestal 6 with screw.
In the course of work, conical spiral antenna 4 without enough electrical length low-frequency range produce radiation, S-band mainly by
Flat helical antenna 3 is responsible for, and flat helical antenna 3 is not filled with absorbing material back of the body chamber in band center frequency point quarter-wave
Under the action of (hollow cavity of metal pedestal 6), the aerial radiation requirement of S-band disclosure satisfy that, work in the snail of S-band
Antenna 3, in the range of 90 ° × 90 ° gain be not less than 0dB, on-axis gain is not less than 6dB；C-band is mainly by cone helical antenna 4
Be responsible for, work in the cone helical antenna 4 of C-band, in the range of 120 ° × 120 ° gain be more than -3dB, on-axis gain is not less than
5dB；Cone helical antenna 4 has flexible design freedom, can be by suitably adjusting the parameters such as antenna cone angle and winding angle reality
The requirement of existing broad beam directional diagram.
Compared to existing individually designed flat helical antenna or conical spiral antenna, small-sized S/C provided by the invention
Dual-waveband plane bores spiral combined antenna and flat helical antenna and cone helical antenna is combined design, and combined antenna can be simultaneous at the same time
Care for miniaturization, high efficiency, high-gain, circular polarisation and the performance requirement compared with broad beam.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles of the invention etc., should all include
Within protection scope of the present invention.
Claims (10)
1. a kind of small-sized S/C dual-waveband planes bore spiral combined antenna, it is characterised in that including：
The medium seat of conical hollow, the medium seat tool have the circular flat of middle part perforate, and stretch out in the horizontal direction
Base；
The cone helical antenna of printing on the first substrate, the first substrate are attached on the taper surface of medium seat；
The flat helical antenna being printed on second substrate, the second substrate are placed on the base of medium seat, with the first base
The joining place of plate is fixedly connected；
With hollow cavity and open-topped metal pedestal, medium seat is fixed on the top of the metal pedestal, the metal pedestal
Bottom is provided with through hole；
The feeder panel being placed in medium seat circular flat, the feeder panel is overlapped with first substrate using chaff, described
Feeder panel is circular copper-clad plate, has a plated-through hole respectively with separated lying copper region at two, each lying copper region thereon；
Balun, one end of the balun sequentially pass through the through hole at the top of metal pedestal bottom and medium seat, its metal screen layer and interior
Conductor is welded on two plated-through holes of feeder panel.
2. small-sized S/C dual-waveband planes as claimed in claim 1 bore spiral combined antenna, it is characterised in that further include installation
Fixed block in metal pedestal bottom, is provided with through hole on the fixed block, balun through the through hole and with fixed block welding.
3. small-sized S/C dual-waveband planes as claimed in claim 2 bore spiral combined antenna, it is characterised in that the lying copper region
For symmetrically arranged sector region, the plated-through hole is positioned at fan-shaped circle centre position.
4. small-sized S/C dual-waveband planes as claimed in claim 3 bore spiral combined antenna, it is characterised in that the plane spiral shell
Rotation antenna is Archimedes's dual spiral antenna, and spiral line width is 0.35mm, spacing 0.32mm.
5. small-sized S/C dual-waveband planes as claimed in claim 4 bore spiral combined antenna, it is characterised in that the cone is spiral
Antenna for the pyramid helical antenna such as pyramid helical antenna, the conical surface such as the conical surface two spiral arms respectively with flat helical antenna
Two spiral arm overlap joints.
6. small-sized S/C dual-waveband planes as claimed in claim 5 bore spiral combined antenna, it is characterised in that the plane spiral shell
Revolve antenna and bore the rotation direction of helical antenna to be left-handed, or dextrorotation.
7. small-sized S/C dual-waveband planes as claimed in claim 6 bore spiral combined antenna, it is characterised in that the balun
Metal screen layer cut end curve meets curve z=4.8^y-1 (0≤y≤2.2)；The other end of balun, which is connected with, to be used for transmission
The radio frequency connector of signal.
8. small-sized S/C dual-waveband planes as claimed in claim 7 bore spiral combined antenna, it is characterised in that further include antenna
Cover, the antenna house are close to the surface for being covered in first substrate and second substrate, its bottom is fixed in metal pedestal.
9. small-sized S/C dual-waveband planes as claimed in claim 8 bore spiral combined antenna, it is characterised in that the medium seat
Base surrounding there are multiple protrusions, have the through hole for being fixed on medium seat in metal pedestal thereon.
10. small-sized S/C dual-waveband planes as claimed in claim 9 bore spiral combined antenna, it is characterised in that the medium seat
Material be polytetrafluoroethylene (PTFE), the material of the metal pedestal is copper；The first substrate is flexible microwave substrate, described second
Substrate is pcb board, and the plate of the feeder panel is the RO4350B microwave base plates of thickness 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004925.3A CN107910649B (en) | 2017-10-25 | 2017-10-25 | Small S/C dual-waveband planar conical spiral composite antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711004925.3A CN107910649B (en) | 2017-10-25 | 2017-10-25 | Small S/C dual-waveband planar conical spiral composite antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107910649A true CN107910649A (en) | 2018-04-13 |
| CN107910649B CN107910649B (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711004925.3A Active CN107910649B (en) | 2017-10-25 | 2017-10-25 | Small S/C dual-waveband planar conical spiral composite antenna |
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| CN (1) | CN107910649B (en) |
Cited By (3)
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|---|---|---|---|---|
| CN110518370A (en) * | 2019-08-06 | 2019-11-29 | 西安电子科技大学 | A kind of wide angle covering array antenna of multiband Shared aperture |
| CN113533919A (en) * | 2021-09-07 | 2021-10-22 | 湖北工业大学 | Miniaturized built-in flexible antenna sensor for partial discharge detection of power equipment |
| CN113644418A (en) * | 2021-08-13 | 2021-11-12 | 中国电子科技集团公司第三十八研究所 | High-frequency conical helical antenna and forming method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110518370A (en) * | 2019-08-06 | 2019-11-29 | 西安电子科技大学 | A kind of wide angle covering array antenna of multiband Shared aperture |
| CN110518370B (en) * | 2019-08-06 | 2021-04-13 | 西安电子科技大学 | Multiband common-caliber wide-angle coverage array antenna |
| CN113644418A (en) * | 2021-08-13 | 2021-11-12 | 中国电子科技集团公司第三十八研究所 | High-frequency conical helical antenna and forming method thereof |
| CN113644418B (en) * | 2021-08-13 | 2023-05-16 | 中国电子科技集团公司第三十八研究所 | Forming method of high-frequency conical spiral antenna |
| CN113533919A (en) * | 2021-09-07 | 2021-10-22 | 湖北工业大学 | Miniaturized built-in flexible antenna sensor for partial discharge detection of power equipment |
| CN113533919B (en) * | 2021-09-07 | 2021-12-17 | 湖北工业大学 | Miniaturized built-in flexible antenna sensor for partial discharge detection of power equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107910649B (en) | 2020-01-14 |
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