CN101075704B - Double-frequency wrinkled horn-typed antenna - Google Patents
Double-frequency wrinkled horn-typed antenna Download PDFInfo
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- CN101075704B CN101075704B CN2006100820078A CN200610082007A CN101075704B CN 101075704 B CN101075704 B CN 101075704B CN 2006100820078 A CN2006100820078 A CN 2006100820078A CN 200610082007 A CN200610082007 A CN 200610082007A CN 101075704 B CN101075704 B CN 101075704B
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Abstract
A double frequency drape bugle shape antenna includes a guiding tube and a bugle section. The bugle section is divided into at least two areas fixed with loop columns and grooves between the columns. By adjusting the groove depth and width, as well as the column wall thickness and loop number, makes the areas response to electromagnetic wave of different frequency band to receive at least two frequency signals.
Description
Technical field
The feed antenna of the relevant satellite receiver of the present invention, the especially relevant feed antenna that can receive two kinds of frequency bands.
Background technology
General satellite receiver comprises a bigger disc-shaped antenna and less feed (Feed) antenna; Feed antenna is positioned at the focus place of disc-shaped antenna; The electromagnetic wave signal of satellite transmits reflexes to feed antenna by disc-shaped antenna.
United States Patent (USP) U.S.6,771,225, disclose a kind of low-cost high-performance antenna (Low cost high performance antenna for use in interactive satelliteterminals) for the alternative satellite terminals use, its feed antenna is the trumpet-shaped antenna of ripple, only can receive the electromagnetic wave of single kind of frequency band.United States Patent (USP) U.S.4,910,527, disclose a kind of ripple shape KU band receiver (Configurable KU-band receiver for satellite antenna feed) of satellite horn antenna, its feed antenna comprises that unit that can receive the KU frequency band and the unit that can receive the C frequency band form, and can receive the electromagnetic wave of two kinds of frequency bands.
Generally can receive the feed antenna of two kinds of frequency bands, mostly by two unit be combined intos, its structure is complicated, and manufacturing cost is higher, and takes up space.
Summary of the invention
In order to simplify the structure that can receive two kinds of electromagnetic feed antennas of frequency band, and the present invention is proposed.
Main purpose of the present invention in that a kind of double-frequency wrinkled horn-typed antenna (Dual band corrugatedantenna feed) is provided, makes single antenna can receive the electromagnetic wave of at least two kinds of frequency bands.
Another object of the present invention is providing a kind of double-frequency wrinkled horn-typed antenna, and its structure is simplified, and can save the manufacturing cost of the antenna that can receive two kinds of frequency bands and reduce the space that antenna occupies.
Double-frequency wrinkled horn-typed antenna of the present invention, in order to receive the electromagnetic wave signal person of at least two kinds of frequency bands, its antenna comprises:
One conduit;
One flare is connected in the upper end of this conduit; This flare is divided at least two zones, and wherein first district is near the inboard of this flare, and second district is connected in the outboard end in this first district; This first district has at least two annulated columns that up extended by the lower end of this flare; This second district has at least two annulated columns that up extended by the lower end of this flare; These a plurality of annulated columns are arranged outward by the inside of this flare; Has groove between adjacent two annulated columns in this first district; Reach equal tool groove between adjacent two annulated columns in this second district between the annulated column in the annulated column in this first district, this second district; The groove in this first district has the different degree of depth with the groove in this second district;
The wall thickness and the number of turns of the annulated column in the degree of depth, width and this first district of the groove by adjusting this first district, and the wall thickness and the number of turns of the annulated column in the degree of depth, width and this second district of the groove in this second district of adjustment, this first district and this second differentiation are held your noise answer the electromagnetic wave of different frequency bands, to receive the electromagnetic wave signal of at least two kinds of frequency bands, make single antenna can receive the electromagnetic wave of two kinds of frequency bands, and it is simple in structure, can save the manufacturing cost of the antenna that can receive two kinds of frequency bands and reduce the space that antenna occupies.
Other purposes of the present invention, effect see also drawings and Examples, are described in detail as follows.
Description of drawings
Figure 1A is the schematic perspective view of double-frequency wrinkled horn-typed antenna first embodiment of the present invention.
Figure 1B is the generalized section of first embodiment of the invention.
Fig. 2 A is that first embodiment of the invention is carried out the left-handed Circular Polarisation radiating antenna oscillogram that the radiomimesis computing obtains with the 12.45GHz electromagnetic wave.
Fig. 2 B is that first embodiment of the invention is carried out the left-handed Circular Polarisation radiating antenna oscillogram that the radiomimesis computing obtains with the 19.95GHz electromagnetic wave.
Fig. 3 A is that first embodiment of the invention is carried out the left-handed Circular Polarisation radiating antenna oscillogram that radiation obtains with the 12.45GHz electromagnetic wave.
Fig. 3 B is that first embodiment of the invention is carried out the left-handed Circular Polarisation radiating antenna oscillogram that radiation obtains with the 19.95GHz electromagnetic wave.
Fig. 4 A is the schematic perspective view of double-frequency wrinkled horn-typed antenna second embodiment of the present invention.
Fig. 4 B is the generalized section of second embodiment of the invention.
Fig. 5 A is that second embodiment of the invention is carried out the dextrorotation Circular Polarisation radiating antenna oscillogram that radiation obtains with the 20GHz electromagnetic wave.
Fig. 5 B is that second embodiment of the invention is carried out the dextrorotation Circular Polarisation radiating antenna oscillogram that radiation obtains with the 30GHz electromagnetic wave.
Embodiment
See also shown in Figure 1A, the 1B.First embodiment of double-frequency wrinkled horn-typed antenna of the present invention, in order to receive the electromagnetic wave signal of at least two kinds of frequency bands, its antenna 10 comprises:
One conduit 11;
One flare 12 is connected in the upper end of conduit 11, also can be one-body molded with conduit 11; Flare 12 is divided at least two zones, and wherein first district 121 is near the inboard of flare 12, and second district 122 is connected in the outboard end in first district 121; First district 121 has at least two annulated columns that up extended by flare 12 lower ends (Cylindrical ring) 123; A plurality of annulated columns 123 are arranged outward by the inside of flare 12; Second district 122 has at least two annulated columns 124 that up extended by flare 12 lower ends; A plurality of annulated columns 124 are arranged outward by the inside of flare 12; Has groove 125 between first district, 121 adjacent two annulated columns 123; Reach equal tool groove 126 between adjacent two annulated columns 124 in second district between the annulated column 123 in first district, the annulated column 124 in second district; The groove 125 in first district 121 has the different degree of depth with the groove 126 in second district 122, and the groove 126 in groove 125 to the second districts 122 in first district 121 is dark in the present embodiment;
The wall thickness and the number of turns of the degree of depth, width and the annulated column 123,124 of the groove 125,126 by adjusting first district 121 and second district 122 can make first district 121 and second district 122 respond the electromagnetic wave of different frequency bands respectively simultaneously; For example make the electromagnetic wave of 121 receptions of first district or radiation first frequency band, make the electromagnetic wave of 122 receptions of second district or radiation second frequency band; The wave frequency of first frequency band can be than the wave frequency height of second frequency band, and the wave frequency of first frequency band also can be low than the wave frequency of second frequency band; And required bounce-back loss (Return Loss), wide (the 10dB Beam Width) of 10 decibels of ripples of wave beam and the size of other ripple (Side lobe or X-pol) of adjustable antenna 10.
In the present embodiment, the slope of first virtual line 13 of a plurality of grooves 12 upper limbs in connection first district 121 is A; And the slope of virtual line 14 that connects a plurality of grooves 12 upper limbs in second district 122 is B; A＞B wherein.
The size of conduit 11 calibers of the present invention is determined by the electromagnetic frequency of lower band; The caliber size of flare 12 outlet and highly be the parameter of all right one way or the other adjustment can cooperate the required bounce-back loss of antenna 10,10 decibels of ripples size wide and other ripple of wave beam to be adjusted.
See also shown in Fig. 2 A.The antenna 10 of present embodiment is by 12.45GHz (10
9Hertz) electromagnetic wave carries out the radiomimesis computing, obtains left-handed Circular Polarisation (Left Hand CircularPolarization LHCP) the radiating antenna oscillogram (Radiation Antenna Pattern) shown in Fig. 2 A.The curve of one of them is represented the vertical component ripple, and wherein another curve is represented the horizontal component ripple; The part of below is other ripple; When being presented at the frequency band of radiation 12.45GHz among the figure, the main beam shape of beam shape that the vertical component ripple is main and horizontal component ripple is quite approaching, and down 10 decibels of ripples of wave beam of 10 decibels are wide is respectively 70.0 ° and 68.0 ° by crest for both, and the other ripple of both belows and main crest are compared very little, show that antenna 10 has good radiation efficiency at the frequency band of 12.45GHz.
See also shown in Fig. 2 B.The antenna 10 of present embodiment carries out the radiomimesis computing by the 19.95GHz electromagnetic wave, obtains the left-handed Circular Polarisation radiating antenna oscillogram shown in Fig. 2 B.The curve of one of them is represented the vertical component ripple, and wherein another curve is represented the horizontal component ripple; The part of below is other ripple; When being presented at the frequency band of radiation 19.95GHz among the figure, the main beam shape of beam shape that the vertical component ripple is main and horizontal component ripple is quite approaching, 10 decibels of ripples of the wave beam that both are main are wide to be respectively 74.0 ° and 73.0 °, and the other ripple of both belows and crest are compared very little, show that antenna 10 has good radiation efficiency at the frequency band of 19.95GHz.
See also shown in Fig. 3 A.The antenna 10 of present embodiment carries out actual radiation by the 12.45GHz electromagnetic wave and measures, and obtains the left-handed Circular Polarisation radiating antenna oscillogram shown in Fig. 3 A.When being presented at the frequency band of radiation 12.45GHz among the figure, vertical component involves that 10 decibels of ripples of the main wave beam of horizontal component ripple are wide to be respectively 69.5 ° and 69.5 °, shows that antenna 10 has good radiation function at the frequency band of 12.45GHz.
See also shown in Fig. 3 B.The antenna 10 of present embodiment carries out actual radiation by the 19.95GHz electromagnetic wave and measures, and obtains the left-handed Circular Polarisation radiating antenna waveform shown in Fig. 3 B.When being presented at the frequency band of radiation 19.95GHz among the figure, vertical component involves that 10 decibels of ripples of the main wave beam of horizontal component ripple are wide to be respectively 65.0 ° and 64.5 °, shows that antenna 10 has good radiation efficiency at the frequency band of 19.95GHz.
Result via above-mentioned simulation trial and actual measurement, the antenna 10 of provable present embodiment can respond the electromagnetic wave of 12.45GHz and two kinds of frequency bands of 19.95GHz really simultaneously, and 10 decibels of ripples of the shape of main wave beam and wave beam are wide all very close, the antenna 10 that shows present embodiment has close radiation effect when these two kinds of frequency bands.
See also shown in Fig. 4 A, the 4B.Second embodiment of double-frequency wrinkled horn-typed antenna of the present invention, its antenna 20 comprises:
One conduit 21;
One flare 22 is connected in the upper end of conduit 21, also can be one-body molded with conduit 21; Flare 22 is divided at least two zones, and wherein first district 221 is near the inboard of flare 22, and second district 222 is connected in the outboard end in first district 221; First district 221 has at least two annulated columns 223 that up extended by flare 22 lower ends; A plurality of annulated columns 223 are arranged outward by the inside of flare 22; Second district 222 has at least two annulated columns 224 that up extended by flare 22 lower ends; A plurality of annulated columns 224 are arranged outward by the inside of flare 22; Has groove 225 between first district, 221 adjacent two annulated columns 223; Reach equal tool groove 226 between second district, 222 adjacent two annulated columns 224 between the annulated column 223 in first district, the annulated column 224 in second district; The groove 226 in groove 225 to the second districts 222 in first district 221 is dark in the present embodiment;
The wall thickness and the number of turns of the degree of depth, width and the annulated column 223,224 of the groove 225,226 by adjusting first district 221 and second district 222 can make first district 221 and second district 222 respond the electromagnetic wave of different frequency bands respectively simultaneously; For example make the electromagnetic wave of 221 receptions of first district or radiation first frequency band, make the electromagnetic wave of 222 receptions of second district or radiation second frequency band; And 20 decibels of ripples of the required bounce-back loss of adjustable antenna 20, wave beam are wide and the size of other ripple.
In the present embodiment, the slope of first virtual line 23 of a plurality of grooves 22 upper limbs in connection first district 221 is C; And the slope of virtual line 24 that connects a plurality of grooves 22 upper limbs in second district 222 is D; Wherein C＞D, and D=0.
The size of conduit 21 calibers of the present invention is determined by the electromagnetic frequency of lower band; The caliber size of flare 22 outlet and highly be two adjustable parameters can cooperate the required bounce-back loss of antenna 20,20 decibels of ripples size wide and other ripple of wave beam to be adjusted.
See also shown in Fig. 5 A.The antenna 20 of present embodiment carries out actual radiation by the 20GHz electromagnetic wave and measures, and obtains the dextrorotation Circular Polarisation radiating antenna oscillogram shown in Fig. 5 A.When being presented at the frequency band of radiation 20GHz among the figure, vertical component involves that 10 decibels of ripples of the main wave beam of horizontal component ripple are wide to be respectively 75.5 ° and 74.0 °, shows that antenna 20 has good radiation efficiency at the frequency band of 20GHz.
See also shown in Fig. 5 B.The antenna 20 of present embodiment carries out actual radiation by the 30GHz electromagnetic wave and measures, and obtains the dextrorotation Circular Polarisation radiating antenna waveform shown in Fig. 5 B.When being presented at the frequency band of radiation 30GHz among the figure, vertical component involves that 10 decibels of ripples of the main wave beam of horizontal component ripple are wide to be respectively 76.0 ° and 77.0 °, shows that antenna 20 has good radiation efficiency at the frequency band of 30GHz.
Result via above-mentioned actual measurement, the antenna 20 of provable present embodiment can respond the electromagnetic wave of 20GHz and two kinds of frequency bands of 30GHz really simultaneously, and 10 decibels of ripples of the shape of main wave beam and wave beam are wide all very close, the antenna 20 that shows present embodiment has close radiation effect when these two kinds of frequency bands.
Double-frequency wrinkled horn-typed antenna provided by the invention makes single antenna can receive the electromagnetic wave of two kinds of frequency bands, and its structure simplifies, and can save the manufacturing cost of the antenna that can receive two kinds of frequency bands and reduce the space that antenna occupies.
The present invention can make the flare of antenna be divided into three zones, has annulated column and groove in each zone respectively, and the technology of utilizing the various embodiments described above to disclose can make single antenna can receive the electromagnetic wave of three kinds of frequency bands.
The above record, only for utilizing the embodiment of the technology of the present invention content, modification, variation that any those of ordinary skills use the present invention to do all belong to the claim scope that the present invention advocates, and are not limited to the announcement of embodiment.
Claims (4)
1. double-frequency wrinkled horn-typed antenna in order to receive the electromagnetic wave signal of at least two kinds of frequency bands, is characterized in that described antenna comprises:
One conduit;
One flare is connected in the upper end of described conduit; Described flare is divided at least two zones, and wherein first district is near the inboard of described flare, and second district is connected in the outboard end in described first district; Described first district has at least two annulated columns that up extended by the lower end of described flare; Described second district has at least two annulated columns that up extended by the lower end of described flare; At least two annulated columns in described first district and at least two annulated columns in described second district are arranged outward by the inside of described flare; Has groove between adjacent two annulated columns in described first district; Reach equal tool groove between adjacent two annulated columns in described second district between the annulated column in the annulated column in described first district, described second district; The groove in described first district has the different degree of depth with the groove in described second district, and the groove in described first district is than the ditch groove depth in described second district; The slope of first virtual line that connects a plurality of groove upper limbs in described first district is greater than the slope of the virtual line of a plurality of groove upper limbs that connect described second district;
The wall thickness and the number of turns of the annulated column in the degree of depth, width and described first district of the groove by adjusting described first district, and the wall thickness and the number of turns of the annulated column in the degree of depth, width and described second district of the groove in described second district of adjustment, make described first district and described second distinguish to hold your noise and answer the electromagnetic wave of different frequency bands, to receive the electromagnetic wave signal of at least two kinds of frequency bands.
2. double-frequency wrinkled horn-typed antenna as claimed in claim 1 is characterized in that described antenna is integrated.
3. double-frequency wrinkled horn-typed antenna as claimed in claim 1 is characterized in that, the slope of the virtual line of a plurality of groove upper limbs in described second district of described connection equals 0.
4. double-frequency wrinkled horn-typed antenna as claimed in claim 3 is characterized in that described antenna is integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100820078A CN101075704B (en) | 2006-05-16 | 2006-05-16 | Double-frequency wrinkled horn-typed antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100820078A CN101075704B (en) | 2006-05-16 | 2006-05-16 | Double-frequency wrinkled horn-typed antenna |
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| Publication Number | Publication Date |
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| CN101075704A CN101075704A (en) | 2007-11-21 |
| CN101075704B true CN101075704B (en) | 2011-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100820078A Active CN101075704B (en) | 2006-05-16 | 2006-05-16 | Double-frequency wrinkled horn-typed antenna |
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| CN113078473A (en) * | 2021-04-13 | 2021-07-06 | 中国科学院新疆天文台 | Wide opening angle horn feed of radio astronomical telescope principal focus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5461394A (en) * | 1992-02-24 | 1995-10-24 | Chaparral Communications Inc. | Dual band signal receiver |
| US5486839A (en) * | 1994-07-29 | 1996-01-23 | Winegard Company | Conical corrugated microwave feed horn |
| CN1405993A (en) * | 2001-07-20 | 2003-03-26 | 欧洲通信卫星股份有限公司 | Low-cost high-performance antenna for alternative satellite terminals |
| CN2596679Y (en) * | 2003-01-28 | 2003-12-31 | 中国电子科技集团公司第五十四研究所 | Double groove structure corrugated speaker feed source device |
-
2006
- 2006-05-16 CN CN2006100820078A patent/CN101075704B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5461394A (en) * | 1992-02-24 | 1995-10-24 | Chaparral Communications Inc. | Dual band signal receiver |
| US5486839A (en) * | 1994-07-29 | 1996-01-23 | Winegard Company | Conical corrugated microwave feed horn |
| CN1405993A (en) * | 2001-07-20 | 2003-03-26 | 欧洲通信卫星股份有限公司 | Low-cost high-performance antenna for alternative satellite terminals |
| CN2596679Y (en) * | 2003-01-28 | 2003-12-31 | 中国电子科技集团公司第五十四研究所 | Double groove structure corrugated speaker feed source device |
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| CN101075704A (en) | 2007-11-21 |
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