CN205319300U - Two wide band circular polarized antenna unit devices of combination - Google Patents
Two wide band circular polarized antenna unit devices of combination Download PDFInfo
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- CN205319300U CN205319300U CN201620076455.6U CN201620076455U CN205319300U CN 205319300 U CN205319300 U CN 205319300U CN 201620076455 U CN201620076455 U CN 201620076455U CN 205319300 U CN205319300 U CN 205319300U
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- gradual change
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- 239000002184 metal Substances 0.000 claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 15
- 238000005452 bending Methods 0.000 claims description 32
- 238000007493 shaping process Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 4
- 208000004141 microcephaly Diseases 0.000 abstract 1
- 230000010287 polarization Effects 0.000 description 9
- 230000005855 radiation Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
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Abstract
The utility model discloses a two wide band circular polarized antenna unit devices of combination, including a self -supporting ground connection body structure and cross array, the central point department of putting of a self -supporting ground connection body structure is provided with the fluting outer conductor perpendicularly, and cross array places the top of fluting outer conductor in, and wherein, a self -supporting ground connection body structure specifically is: including the crooked gradual change array of 4 antennas, microcephaly's end of the crooked gradual change array of every antenna is connected through a metal column respectively, and the crooked gradual change array's of every antenna stub end and the crooked gradual change array of a floor lug connection, 4 antenna pass through the metal column and divide the ware unit to link to each other with back merit, the utility model provides a communications array frequency band that exists among the prior art narrow, the beam is narrow and the system is complicated, occupy the integrated serious problem of mutual interference together of bulky, a plurality of antennas.
Description
Technical field
The utility model belongs to satellite communication, navigation antenna technical field, is specifically related to the two wide band circularly polarized antenna unit device of a kind of combination.
Background technology
Current circular polarized antenna mainly contains the structures such as microband paste, helical antenna, crossed dipole.
Micro-strip paster antenna bandwidth width, low elevation angle performance is good, but limit by medium sheet metal thickness, limited bandwidth, usual single layer microstrip antenna, bandwidth only has 1-2%, even if adopting the micro-band plate of plurality of layers stacking, wide limited bandwidth can be opened up, an octave can be reached, but cost remains high, and is typically used as broad beam narrow band transmission of wireless signals.
The bandwidth of helical antenna is narrower, and low elevation angle performance is not good, and it is relatively big to take volume, is unfavorable for the system integration, is generally used for the transmission of narrow beam directional sign.
Cross intersects the bandwidth width of a period of time antenna, and therefore low elevation angle performance is good, but it is big to take volume, and narrow bandwidth, also only can be used for the narrow frequent band transmission of wireless signals of broad beam.
Above-mentioned antenna does not possess broadband, the ability of broad beam circular polarization Signal transmissions. It is well known that frequency band width, then the information content can transmitted is big, and wave beam width, then the ability accepting all directions angle signal is strong.
The existing dipper system satnav of current China and communication antenna, usually the form adopting several narrow frequency micro-strip paster antennas or micro-strip paster antenna to add crossed dipole antenna realizes multiple spot and frequently covers, system complex, take volume big, it is more that multiple antenna integrates interference mutually, affecting electrical property, assembling is inconvenience also.
Practical novel content
The purpose of this utility model is to provide the two wide band circularly polarized antenna unit device of a kind of combination, solves in prior art that the communication antenna frequency band existed is narrow, wave beam is narrow and system complex, the antenna big, multiple that takies volume integrate the problem of mutual serious interference.
The technical scheme that the utility model adopts is, the two wide band circularly polarized antenna unit device of a kind of combination, comprise self-supporting ground connection integrative-structure and cross intersects a period of time, the center position of described self-supporting ground connection integrative-structure is vertically installed with fluting outer conductor, described cross intersect a period of time be placed in fluting outer conductor top.
Feature of the present utility model is also,
Self-supporting ground connection integrative-structure is specially: comprise 4 antennas bending gradual change a period of time, the little head end in each antenna bending gradual change a period of time is wherein connected one end with metal post respectively, the big head end in each antenna bending gradual change a period of time is directly connected with floor, the back side in 4 antenna bending gradual change a period of time adopts mode to be back-to-back provided with power splitter unit, and power splitter unit is connected with the metal post the other end.
Each antenna bending gradual change a period of time is by the sheet warp architecture of the little metal to big gradual change one machine-shaping, phase differential between adjacent two antennas bending gradual change a period of time is 90 degree, and the angle that the little head end in each antenna bending gradual change a period of time and horizontal plane are formed is 20～50 degree.
Power splitter unit forms one point of four power divider structure by 3 one-to-two power splitters, it is achieved 1 input, 4 outputs.
The beneficial effects of the utility model are, the two wide band circularly polarized antenna unit device of a kind of combination, adopt the self-supporting ground connection integrative-structure of originality, antenna bending gradual change a period of time is directly connected with floor, metal one processing, the crooked radian in antenna bending gradual change a period of time adopts mould to ensure, round and smooth, realize work frequency band width, lobe width width, circular polarization characteristics is good, requirement on machining accuracy is not high, easy for installation, low cost and other advantages, it is highly suitable for high performance satellite-navigation ground receiving equipment, such as vehicle, boats and ships, aircraft, trains etc. are the satellite navigational equipment of carrier.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation combining two wide band circularly polarized antenna unit device of the utility model;
Fig. 2 is a kind of structural representation combining self-supporting ground connection integrative-structure in two wide band circularly polarized antenna unit device of the utility model;
Fig. 3 is feed network power splitter cell schematics in the utility model two wide band circularly polarized antenna unit device of one combination;
Fig. 4 is the utility model two wide band circularly polarized antenna unit device antenna circular polarization radiation directional pattern of one combination;
Fig. 5 is the utility model one combination bending a period of time standing wave reflection coefficient analogous diagram of two wide band circularly polarized antenna low frequency four unit gradual change;
Fig. 6 is that the utility model two wide band circularly polarized antenna high frequency cross of one combination intersects a period of time standing wave reflection coefficient figure.
In figure, 1. self-supporting ground connection integrative-structure, 2. cross intersects a period of time, outer conductor of 3. slotting, 4. antenna bending gradual change a period of time, 5. metal post, 6. power splitter unit, 7. one-to-two power splitter.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
The two wide band circularly polarized antenna unit device of the utility model one combination, structure is as shown in Figure 1, comprise self-supporting ground connection integrative-structure 1 and cross intersects a period of time 2, the center position of self-supporting ground connection integrative-structure 1 is vertically installed with fluting outer conductor 3, cross intersect a period of time 2 be placed in fluting outer conductor 3 top, wherein, as shown in Figure 2, self-supporting ground connection integrative-structure 1 is specially: comprise 4 antennas bending gradual change a period of time 4, the little head end in each antenna bending gradual change a period of time 4 is connected by the wherein one end with metal post 5 respectively, the big head end in each antenna bending gradual change a period of time 4 is directly connected with floor, the back side in 4 antenna bending gradual change a period of time 4 adopts mode to be back-to-back provided with power splitter unit 6, power splitter unit 6 is connected with metal post 5 the other end, each antenna bending gradual change a period of time 4 is by the sheet warp architecture of the little metal to big gradual change one machine-shaping, phase differential between adjacent two antennas bending gradual change a period of time 4 is 90 degree, the angle that the little head end in each antenna bending gradual change a period of time 4 and horizontal plane are formed is 20～50 degree, as shown in Figure 3, power splitter unit 6 forms one point of four power divider structure by 3 one-to-two power splitters 7, realize an input four outputs.
The two wide band circularly polarized antenna unit device of the utility model one combination, principle of work is as follows:
Have employed 4 unit antennas of self-supporting ground connection integrative-structure 1 bending gradual change a period of time 4, with the metal post 5 of 4 90 degree of phase differential to they order feeds, realize broadband circle polarized radiation characteristic, metal post 5 is connected the phase differential realizing feed and equipower distribution with power splitter unit 6, and this structure ensure that the broadband circle polarized radiation of 1.2GHZ-1.7GHZ frequency range.
Have employed coaxial line, outer conductor fluting quarter wave, define 180 degree of phase differential, coordinate 90 degree of crosses to intersect a period of time 2 and form circular polarization, as shown in Figure 1, this structure ensures 2500MHZ frequency range, can form the broadband circle polarized radiation of 200MHz bandwidth, and both are combined in the use of the navigation Antenna Operation frequency range that can ensure the existing Big Dipper of current China and other various standards together.
The two wide band circularly polarized antenna unit device of the utility model one combination, welding is adopted to connect between 4 antennas of self-supporting ground connection integrative-structure 1 bending gradual change a period of time 4 and 4 feed metal posts 5, as shown in Figure 2, self-supporting ground connection integrative-structure 1 is originality, antenna bending gradual change a period of time 4 is directly connected with floor, metal one processing, the crooked radian in antenna bending gradual change a period of time 4 adopts mould to ensure, round and smooth, bending angular error is insensitive, tip and the metal post 5 in antenna bending gradual change a period of time 4 are weldingly connected, and between ground level angle 20～50 degree, each branch road of power splitter unit 6 control microstrip line length realizes 90 degree of phase shifts successively, realize left-handed or dextrorotation circular polarization radiation. the each allocation units available bandwidth electric bridge of power splitter substitutes, and can realize left-handed and circular polarization radiation that is dextrorotation simultaneously. welding is adopted to connect between power splitter unit 6 and metal post 5. cross intersect a period of time 2 adopt coaxial outer conductor fluting quarter wave form 180 degree of phase differential to form circular polarization. cross intersect a period of time 2 and fluting outer conductor 3 between adopt welding to connect. during assembling, upper strata is antenna layer, and lower floor is microstrip power divider layer, and power splitter unit 6 is back-to-back to be mounted on antenna, provides feed mainly to four unit antennas bending gradual change a period of time 4. coaxial line fluting outer conductor 3 by screw or is weldingly fixed on antenna, cross intersects and adopts welding to be connected between fluting outer conductor 3 in a period of time 2 and coaxial line, the coaxial inner conductor the other end is connected with microstrip line, coordinate interface model and the position of cavity and requirement, select the cable of suitable types to connect and draw.
The two wide band circularly polarized antenna unit device of the utility model one combination, standing wave reflection coefficient analogous diagram is as shown in Figure 5, standing wave reflection coefficient figure is as shown in Figure 6, as seen from the figure, this antenna standing wave reflection coefficient broader bandwidth, is less than-10dB in 1.2-1.7/2.4-2.6GHZ frequency range, and antenna circular polarization radiation directional pattern is as shown in Figure 4, this antenna circular polarization radiation characteristic good, possesses bigger gain equally in the situation of the low elevation angle. In conjunction with foregoing it will be seen that this antenna is the two wide band circularly polarized ideal solution that can be implemented under 1.2-1.7/2.4-2.6GHZ frequency range.
Claims (4)
1. the two wide band circularly polarized antenna unit device of combination, it is characterized in that, comprise self-supporting ground connection integrative-structure (1) and cross intersects a period of time (2), the center position of described self-supporting ground connection integrative-structure (1) be vertically installed with fluting outer conductor (3), described cross intersect a period of time (2) be placed in fluting outer conductor (3) top.
2. the two wide band circularly polarized antenna unit device of one combination according to claim 1, it is characterized in that, described self-supporting ground connection integrative-structure (1) is specially: comprise 4 antennas bending gradual change a period of time (4), the little head end in each antenna bending gradual change a period of time (4) is connected by a metal post (5) respectively, the big head end in each antenna bending gradual change a period of time (4) is directly connected with floor, and described 4 antennas bending gradual change a period of time (4) is connected with back side power splitter unit (6) by metal post (5).
3. the two wide band circularly polarized antenna unit device of one combination according to claim 2, it is characterized in that, each antenna described bending gradual change a period of time (4) is by the sheet warp architecture of the little metal to big gradual change one machine-shaping, phase differential between described adjacent two antennas bending gradual change a period of time (4) is 90 degree, and the angle that the little head end in each antenna described bending gradual change a period of time (4) and horizontal plane are formed is 20～50 degree.
4. the two wide band circularly polarized antenna unit device of one combination according to claim 2, it is characterized in that, described power splitter unit (6) forms one point of four power divider structure by 3 one-to-two power splitters (7), it is achieved an input four outputs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076455.6U CN205319300U (en) | 2016-01-26 | 2016-01-26 | Two wide band circular polarized antenna unit devices of combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620076455.6U CN205319300U (en) | 2016-01-26 | 2016-01-26 | Two wide band circular polarized antenna unit devices of combination |
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| Publication Number | Publication Date |
|---|---|
| CN205319300U true CN205319300U (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620076455.6U Expired - Fee Related CN205319300U (en) | 2016-01-26 | 2016-01-26 | Two wide band circular polarized antenna unit devices of combination |
Country Status (1)
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| CN (1) | CN205319300U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428798A (en) * | 2016-01-26 | 2016-03-23 | 西安红叶通讯科技有限公司 | Combined double wideband circularly-polarized antenna unit |
| CN107464983A (en) * | 2017-06-16 | 2017-12-12 | 苏州博海创业微系统有限公司 | Broadband and wide wave beam circular polarized antenna |
-
2016
- 2016-01-26 CN CN201620076455.6U patent/CN205319300U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428798A (en) * | 2016-01-26 | 2016-03-23 | 西安红叶通讯科技有限公司 | Combined double wideband circularly-polarized antenna unit |
| CN107464983A (en) * | 2017-06-16 | 2017-12-12 | 苏州博海创业微系统有限公司 | Broadband and wide wave beam circular polarized antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 |