CN105006651B - A kind of maximum gain points to adjustable monopole antenna - Google Patents
A kind of maximum gain points to adjustable monopole antenna Download PDFInfo
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- CN105006651B CN105006651B CN201510435646.7A CN201510435646A CN105006651B CN 105006651 B CN105006651 B CN 105006651B CN 201510435646 A CN201510435646 A CN 201510435646A CN 105006651 B CN105006651 B CN 105006651B
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- reflecting plate
- maximum gain
- oscillator
- monopole antenna
- centre frame
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Abstract
The invention discloses a kind of maximum gain to point to adjustable monopole antenna, including：Oscillator, oscillator protective cover, pedestal and dielectric, oscillator are embedded in oscillator protective cover center, and oscillator and oscillator protective cover determine the center frequency point and its bandwidth of Antenna Operation, in addition to：Reflecting plate and reflecting plate angle regulator, reflecting plate angle regulator bottom are connected with pedestal, and top is connected with reflecting plate；Reflecting plate is folding mirror plate, and reflecting plate angle regulator can change the folding angles of reflecting plate, and then the maximum gain for changing monopole antenna is pointed to.The present invention realizes quickly and easily adjustment antenna maximum gain orientation angle, while ensure that the impedance bandwidth of antenna is constant.
Description
Technical field
The invention belongs to the antenna technical field of the communications field, is related to a kind of satellite communication antena, particularly a kind of maximum
Adjustable monopole antenna is pointed in gain.
Background technology
The communication technology of satellite of low information rate plays huge effect in the field such as earthquake relief work and marine exploration, it
And one of efficient communication means from far-off regions that can not be covered in terrestrial communication networks.Low information rate satellite communication terminal
Antenna radiation pattern uses cone-beam, and the pitch orientation maximum gain of antenna radiation pattern points to satellite.
Maximum gain refers to the angle that maximum gain deviates center of antenna axis, and referring to Fig. 1, φ angles are maximum gain
Orientation angle.
Known, the antenna that can produce cone-beam has：Circular patch antenna (excitation higher mode), circular loop antenna (week
It is long when being about two wavelength), the electricity-magnetic dipole cone-beam antenna and spiral of the land teaching inventive of City University of Hong Kong
Antenna, array antenna etc..
But the change of job site, elevation of satellite can be also varied from, in order to keep proper communication, antenna direction
Figure maximum gain, which points to angle, will also change, if traditional circular cone beam antenna need to adjust wave beam maximum gain and point to, it is necessary to antenna
Redesign, so both extend the design cycle, add design cost, and waste of materials again.
The content of the invention
The invention aims to overcome the shortcomings of above-mentioned background technology, there is provided a kind of maximum gain points to adjustable list
Pole sub-antenna, the present invention use following technical scheme：
A kind of maximum gain points to adjustable monopole antenna, including：Oscillator 6, oscillator protective cover 7, pedestal 5 and insulation are situated between
Matter 8, oscillator 6 are embedded in the center of oscillator protective cover 7, and oscillator 6 and oscillator protective cover 7 determine the center frequency point and its band of Antenna Operation
Width, in addition to：Reflecting plate 1 and reflecting plate angle regulator, reflecting plate angle regulator bottom are connected with pedestal, top with
Reflecting plate 1 connects；Reflecting plate 1 is folding mirror plate, and reflecting plate angle regulator can change the folding angles of reflecting plate, enter
And the maximum gain for changing monopole antenna is pointed to.
Wherein, the bottom of oscillator 6 is insulated with reflecting plate by dielectric, is connected with sub-miniature A connector inner wire, outside sub-miniature A connector
Conductor is connected with reflecting plate and is fixed on below reflecting plate 1.
Wherein, the reflecting plate 1 includes polylith internal reflection plate 13 and polylith external reflectance plate 15, respectively trapezoidal metallic plate.
Wherein, reflecting plate angle regulator includes centerbody 11, centre frame 2, swivel nut 3 and center-pole 4,11, centerbody
In the bottom of oscillator protective cover 7, it is fixedly connected with oscillator protective cover 7；The bottom of centre frame 2 is flexibly connected with swivel nut 3, center-pole
At least a portion of 4 peripheries and the inside of swivel nut 3 respectively in shape of threads and being engaged, by rotate swivel nut 3 can make its along
The lifting moving of center-pole 4, so as to drive centre frame 2 to carry out lifting moving along center-pole 4.
Wherein, the centerbody 11 includes multiple centerbody hinges 10 on the outside of it.
Wherein, the centre frame 2 include slip ring 20, connected by multiple centre frame hinges 18 formed centre frame hinge ring, with
And hound 19, the connection slip ring 20 of hound 19 and centre frame hinge ring；The slip ring 20 is located at the bottom of centre frame 2, in being enclosed on
It is flexibly connected on core bar 4 and with swivel nut 3, can be moved up and down under the drive of swivel nut 3.
Wherein, the quantity of hound 19 is 2 or more.
Wherein, the centerbody hinge 10 of the one end of internal reflection plate 13 and centerbody 11 is be hinged, the other end by T-shaped slide nail 14 with
Elongated hole 16 on external reflectance plate is slidably connected, and the end of external reflectance plate 15 and centre frame hinge 18 are be hinged.
Wherein, the internal reflection plate 13, external reflectance plate 15, centerbody hinge 10 are identical with the quantity of centre frame hinge 18,
It is preferred that it is respectively 8.
The invention has the advantages that：
The antenna structure of the present invention is simple, and low cost, reliability is high, can meet severe working environment；
The antenna of the present invention changes the sensing of wave beam maximum gain only need to adjust the folding of reflecting plate according to the elevation angle of satellite
Angle can easily just change the sensing of antenna beam maximum gain, be matched with elevation of satellite, maximum gain points to satellite all the time, shakes
Sub- length does not need any adjustment, still keeps impedance matching, keeps " dynamic in the case where that need not increase sensing tracking system
In lead to ".The same set of applicable different job site of antenna, shortens the production cycle, reduces production cost.
Brief description of the drawings
Fig. 1 is inventive antenna principle schematic diagram；
Fig. 2 is the three-dimensional structure signal that a kind of maximum gain of the specific embodiment of the invention points to adjustable monopole antenna
Figure；
Fig. 3 is that a kind of three-dimensional structure section of the adjustable monopole antenna of maximum gain sensing of the specific embodiment of the invention shows
It is intended to；
Fig. 4 is the centerbody structures signal that a kind of maximum gain of the specific embodiment of the invention points to adjustable monopole antenna
Figure；
Fig. 5 is that a kind of internal reflection harden structure of the adjustable monopole antenna of maximum gain sensing of the specific embodiment of the invention is shown
It is intended to；
Fig. 6 is that a kind of external reflectance harden structure of the adjustable monopole antenna of maximum gain sensing of the specific embodiment of the invention is shown
It is intended to；
Fig. 7 is the center frame structure signal that a kind of maximum gain of the specific embodiment of the invention points to adjustable monopole antenna
Figure；
Fig. 8 is the center-pole and pedestal knot that a kind of maximum gain of the specific embodiment of the invention points to adjustable monopole antenna
Structure schematic diagram；
Fig. 9 is that a kind of maximum gain of the specific embodiment of the invention points to adjustable monopole antenna in frequency 5.845GHz
When, the emulation directional diagram of different β angles respective antennas；
Figure 10 is that a kind of maximum gain of the specific embodiment of the invention points to adjustable monopole antenna in frequency 6.135GHz
When, the emulation directional diagram of different β angles respective antennas；
Figure 11 is that a kind of maximum gain of the specific embodiment of the invention points to adjustable monopole antenna in frequency 6.425GHz
When, the emulation directional diagram of different β angles respective antennas；
Figure 12 is that a kind of different β angles of the adjustable monopole antenna of maximum gain sensing of the specific embodiment of the invention are corresponding
The emulation S of antenna11Parameter；
Wherein：1- reflecting plates, 2- centre frames, 3- swivel nuts, 4- center-poles, 5- pedestals, 6- oscillators, 7- oscillator protective covers, 8-
Dielectric, 9-SMA joints, 10- centerbody hinges, 11- centerbodies, 12- internal reflection plate hinge sleeves, 13- internal reflection plates, 14-T types
Sliding nail, 15- external reflectance plates, 16- elongated holes, 17- external reflectance plate hinge sleeves, 18- centre frame hinges, 19- hounds, 20- slip rings.
Embodiment
In conjunction with the embodiments and accompanying drawing, the present invention is described further.The present embodiment using technical solution of the present invention before
Put what is implemented.Detailed embodiment and specific operating process are given, but protection scope of the present invention is not limited to
Following embodiments.
The content not being described in detail in specification belongs to prior art known to professional and technical personnel in the field.
Fig. 1 gives reflecting plate folding angles β, maximum dimension D, upper surface diameter (i.e. centerbody diameter) d and oscillator
Length l schematic diagram.Concrete scheme is：
(1) oscillator length l is determined according to working frequency points, while considers oscillator protective cover to Antenna Operation frequency and bandwidth
Influence.Due to the influence of oscillator protective cover, oscillator length will be generally less than 0.71 λ (λ is bandwidth of operation center frequency point wavelength).
(2) according to the requirement to antenna gain and half-power beam width, the maximum dimension D of reflecting plate is determined, is reflected
Upper surface diameter (i.e. centerbody diameter) d of plate can select according to oscillator protective cover.
(3) during β=0 °, determine that antenna maximum gain points to angle；β angles change 10 °, the change of antenna maximum gain orientation angle
7 ° of degree left and right.
Referring to Fig. 2 and Fig. 3, a kind of maximum gain points to adjustable monopole antenna, including：Oscillator 6, oscillator protective cover 7,
Pedestal 5 and dielectric 8, oscillator 6 are embedded in the center of oscillator protective cover 7, and oscillator 6 and oscillator protective cover 7 determine Antenna Operation
Center frequency point and its bandwidth, in addition to reflecting plate 1 and reflecting plate angle regulator, reflecting plate angle regulator bottom and base
Seat connection, top is connected with reflecting plate 1；Reflecting plate 1 is folding mirror plate, and reflecting plate angle regulator can change reflecting plate
Folding angles, and then change monopole antenna maximum gain point to.
The bottom of oscillator 6 is insulated by dielectric and reflecting plate, is connected with sub-miniature A connector inner wire, sub-miniature A connector outer conductor and
Reflecting plate is connected and is fixed on below reflecting plate 1.Reflecting plate angle regulator includes centerbody 11, centre frame 2, the and of swivel nut 3
Center-pole 4, centerbody 11 are located at the bottom of oscillator protective cover 7, are fixedly connected with oscillator protective cover 7；The bottom of centre frame 2 and spiral shell
Set 3 abuts, specifically, outer be trapped among of swivel nut 3 has groove (as shown in Figure 3), the bottom of centre frame 2 close to the part of the upper end of swivel nut 3
The slip ring 20 in portion is located in groove, so as to which slip ring 20 is enclosed on the peripheral grooves of swivel nut 3 and offseted with the bottom of the peripheral grooves of swivel nut 3
Connect；At least a portion of the periphery of center-pole 4 and the inside of swivel nut 3 in shape of threads and are engaged respectively, can by rotating swivel nut 3
Make it along the lifting moving of center-pole 4, so as to drive centre frame 2 to carry out lifting moving along center-pole 4.
Referring to Fig. 4-7, centerbody 11 includes multiple centerbody hinges 10 on the outside of it；Centre frame 2 include slip ring 20,
Being connected the centre frame hinge ring formed and hound 19 by multiple centre frame hinges 18, the quantity of hound is 2 or more,
Specifically can be depending on actual support weight and material need, preferably 2；The connection slip ring 20 of hound 19 and centre frame hinge
Ring；The slip ring 20 is located at the bottom of centre frame 2, is enclosed on center-pole 4 and is abutted with swivel nut 3, under the drive of swivel nut 3 can on
Lower movement；Reflecting plate is made up of inside and outside two groups of trapezoidal metallic plates, including polylith internal reflection plate 13 and polylith external reflectance plate 15, interior
The quantity of reflecting plate 13 and polylith external reflectance plate 15 is preferably respectively 8；Internal reflection plate hinge sleeve 12 and centerbody hinge 10 coordinate,
Make one end and the centerbody 11 of internal reflection plate 13 be hinged, the other end of internal reflection plate 13 passes through on T-shaped cunning nail 14 and external reflectance plate
Elongated hole 16 be slidably connected, the end of external reflectance plate 15 passes through external reflectance plate hinge sleeve 17 and centre frame hinge 18 and center
Frame is hinged.By rotating swivel nut 3, swivel nut 3 can move up and down along center-pole 4, and promote and socket-connected with its outside groove
Slip ring 20 moved up and down along center-pole 4, and slip ring 20 can also rotate along center-pole 4, so that it is guaranteed that reflecting plate is rolled over
Folded angle beta arbitrarily changes.Simultaneously as the centre frame hinge ring diameter being made up of centre frame hinge 18 is fixed, so as to ensure
Maximum dimension D is constant.Using above-mentioned monopole antenna, by adjusting the folding angles β of reflecting plate, reach change antenna and most increase
Benefit points to the purpose at angle.
Referring to Fig. 8, the bottom of center-pole 4 is connected with pedestal, can be with fixed antenna.
The maximum gain that accompanying drawing 9-12 is the present invention points to adjustable monopole antenna in C-band satellite uplink frequency range
The specific implementation emulation directional diagram and S parameter of high, medium and low three frequencies.
Referring to Fig. 9, adjustable monopole antenna is pointed to using the maximum gain of the present invention, working frequency range is C-band satellite
Uplink band, setpoint frequency 5.845GHz, during β=0 °, determine that antenna maximum gain points to angle.Be respectively 0 ° to β, 10 °, 20 °,
30 ° and 35 ° of five kinds of situations are emulated, and select D=2.4 λ, d=6mm, it can be seen that β angles often change 10 °, and antenna most increases
Beneficial orientation angle changes 7 ° of degree left and right.
Referring to Figure 10, adjustable monopole antenna is pointed to using the maximum gain of the present invention, working frequency range is C-band satellite
Uplink band, setpoint frequency 6.135GHz, during β=0 °, determine that antenna maximum gain points to angle.Be respectively 0 ° to β, 10 °, 20 °,
30 ° and 35 ° of five kinds of situations are emulated, and select D=2.4 λ, d=6mm, it can be seen that β angles often change 10 °, and antenna most increases
Beneficial orientation angle changes 7 ° of degree left and right.
Referring to Figure 11, adjustable monopole antenna is pointed to using the maximum gain of the present invention, working frequency range is C-band satellite
Uplink band, setpoint frequency 6.425GHz, during β=0 °, determine that antenna maximum gain points to angle.Be respectively 0 ° to β, 10 °, 20 °,
30 ° and 35 ° of five kinds of situations are emulated, and select D=2.4 λ, d=6mm, it can be seen that β angles often change 10 °, and antenna most increases
Beneficial orientation angle changes 7 ° of degree left and right.
Referring to Figure 12, adjustable monopole antenna is pointed to using the maximum gain of the present invention, in earth plate maximum dimension D and
In the case that oscillator length I keeps constant, it is respectively that 0 °, 10 °, 20 °, 30 ° and 35 ° five kinds of situations emulate to β, can sees
Go out antenna impedance bandwidth to be held essentially constant.
Claims (8)
1. a kind of maximum gain points to adjustable monopole antenna, including：Oscillator (6), oscillator protective cover (7), pedestal (5) and absolutely
Edge medium (8), oscillator (6) are embedded in oscillator protective cover (7) center, and oscillator (6) and oscillator protective cover (7) determine Antenna Operation
Center frequency point and its bandwidth, it is characterised in that also include：Reflecting plate (1) and reflecting plate angle regulator, reflecting plate angle are adjusted
Regulating device bottom is connected with pedestal, and top is connected with reflecting plate (1)；
Reflecting plate angle regulator includes centerbody (11), centre frame (2), swivel nut (3) and center-pole (4), centerbody (11)
Positioned at the bottom of oscillator protective cover (7), it is fixedly connected with oscillator protective cover (7)；The bottom of centre frame (2) and swivel nut (3) activity
Connection, at least a portion of center-pole (4) periphery and the inside of swivel nut (3) in shape of threads and are engaged respectively, pass through rotation
Swivel nut (3) can make it along center-pole (4) lifting moving, so as to drive centre frame (2) to carry out lifting shifting along center-pole (4)
It is dynamic；
Reflecting plate (1) is folding mirror plate, and reflecting plate angle regulator can change the folding angles of reflecting plate, and then change
The maximum gain of monopole antenna is pointed to.
2. maximum gain according to claim 1 points to adjustable monopole antenna, it is characterised in that oscillator (6) bottom
Insulated with reflecting plate by dielectric, be connected with sub-miniature A connector inner wire, sub-miniature A connector outer conductor is connected and fixed with reflecting plate
In reflecting plate (1) below.
3. maximum gain according to claim 1 points to adjustable monopole antenna, it is characterised in that the reflecting plate
(1) polylith internal reflection plate (13) and polylith external reflectance plate (15), respectively trapezoidal metallic plate are included.
4. maximum gain according to claim 1 points to adjustable monopole antenna, it is characterised in that the centerbody
(11) multiple centerbody hinges (10) on the outside of it are included.
5. maximum gain according to claim 4 points to adjustable monopole antenna, it is characterised in that the centre frame
(2) slip ring (20) is included, connected the centre frame hinge ring formed and hound (19) by multiple centre frame hinges (18), diagonal brace
Bar (19) connection slip ring (20) and centre frame hinge ring；The slip ring (20) is located at the bottom of centre frame (2), is enclosed on center-pole (4)
Above and with swivel nut (3) it is flexibly connected, can be moved up and down under the drive of swivel nut (3).
6. maximum gain according to claim 5 points to adjustable monopole antenna, it is characterised in that hound (19)
Quantity is 2 or more.
7. maximum gain according to claim 6 points to adjustable monopole antenna, it is characterised in that internal reflection plate (13)
The centerbody hinge (10) of one end and centerbody (11) is be hinged, the other end by T-shaped slide nail (14) with it is elongated on external reflectance plate
Hole (16) is slidably connected, and the end of external reflectance plate (15) and centre frame hinge (18) are be hinged.
8. maximum gain according to claim 7 points to adjustable monopole antenna, it is characterised in that the internal reflection plate
(13), external reflectance plate (15), centerbody hinge (10) are identical with the quantity of centre frame hinge (18), preferably respectively 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510435646.7A CN105006651B (en) | 2015-07-23 | 2015-07-23 | A kind of maximum gain points to adjustable monopole antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510435646.7A CN105006651B (en) | 2015-07-23 | 2015-07-23 | A kind of maximum gain points to adjustable monopole antenna |
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| CN105006651A CN105006651A (en) | 2015-10-28 |
| CN105006651B true CN105006651B (en) | 2017-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510435646.7A Active CN105006651B (en) | 2015-07-23 | 2015-07-23 | A kind of maximum gain points to adjustable monopole antenna |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107845855A (en) * | 2017-12-05 | 2018-03-27 | 邱苏盈 | A kind of overocean communications radio antenna device |
| CN110011064B (en) * | 2019-04-24 | 2020-09-01 | 合肥开泰机电科技有限公司 | Ground radar antenna reflecting plate |
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| CN101160692A (en) * | 2005-12-22 | 2008-04-09 | 凯瑟雷恩工厂两合公司 | Dual-polarized antenna having longitudinal or transverse webs |
| CN101621151A (en) * | 2009-08-12 | 2010-01-06 | 中国科学院国家天文台南京天文光学技术研究所 | Frame structure of reflecting surface of prestressing light antenna and preparation method thereof |
| CN101630776A (en) * | 2009-07-29 | 2010-01-20 | 中国科学院国家天文台南京天文光学技术研究所 | Easily adjusted reflection panel back frame structure and reflection panel supporting structure |
| CN103872422A (en) * | 2014-03-24 | 2014-06-18 | 上海交通大学 | Umbrella-shaped unfoldable antenna system |
| CN203910974U (en) * | 2014-06-20 | 2014-10-29 | 中国电子科技集团公司第五十四研究所 | Antenna auxiliary reflection surface system containing swing adjusting mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7605770B2 (en) * | 2005-12-19 | 2009-10-20 | The Boeing Company | Flap antenna and communications system |
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2015
- 2015-07-23 CN CN201510435646.7A patent/CN105006651B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101160692A (en) * | 2005-12-22 | 2008-04-09 | 凯瑟雷恩工厂两合公司 | Dual-polarized antenna having longitudinal or transverse webs |
| CN101630776A (en) * | 2009-07-29 | 2010-01-20 | 中国科学院国家天文台南京天文光学技术研究所 | Easily adjusted reflection panel back frame structure and reflection panel supporting structure |
| CN101621151A (en) * | 2009-08-12 | 2010-01-06 | 中国科学院国家天文台南京天文光学技术研究所 | Frame structure of reflecting surface of prestressing light antenna and preparation method thereof |
| CN103872422A (en) * | 2014-03-24 | 2014-06-18 | 上海交通大学 | Umbrella-shaped unfoldable antenna system |
| CN203910974U (en) * | 2014-06-20 | 2014-10-29 | 中国电子科技集团公司第五十四研究所 | Antenna auxiliary reflection surface system containing swing adjusting mechanism |
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