CN2786806Y - Small-scale double frequency duplex high magnification omnidirectional antenna - Google Patents
Small-scale double frequency duplex high magnification omnidirectional antenna Download PDFInfo
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- CN2786806Y CN2786806Y CN 200520011124 CN200520011124U CN2786806Y CN 2786806 Y CN2786806 Y CN 2786806Y CN 200520011124 CN200520011124 CN 200520011124 CN 200520011124 U CN200520011124 U CN 200520011124U CN 2786806 Y CN2786806 Y CN 2786806Y
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Abstract
The utility model provides a small-scale double frequency duplex high magnification omnidirectional antenna which comprises a protecting cover, a protecting hood under the protecting cover, a metal pipe seat at the bottom of an antenna, a coaxial main feeder cable, an antenna terminal, a first frequency range multiple radiation assembly, a second frequency range multiple radiation assembly and a microstrip frequency combiner, wherein the multiple radiation assembly is composed of a plurality of different frequency range radiation units and connected to the microstrip frequency combiner and the coaxial main feeder cable with a connector; the microstrip frequency combiner, which is fixed by a metal support and installed in a metal box with the functions of protection and shielding, comprises a double-layer low-loss microstrip filter. One end of the microstrip frequency combiner is connected to the coaxial main feeder, and the other end is respectively connected to the semi-steel feeding coaxial cables of the multiple radiation assembly of two frequency ranges. The utility model adopts the coaxial sleeve cross feed method with double frequency and duplex, reduces the interference among different communication systems and has the advantages of small volume, low cost, environment beautification and reduced antenna number.
Description
Technical field
The utility model relates to the radio communication base station omnidirectional antenna, is a kind ofly can be operated in two kinds of wireless communication systems and two kinds of different operating frequency ranges simultaneously, the omnidirectional antenna of a shared cover base station.
Background technology
Along with developing rapidly of radio communication service, the colony of various communication users is also increasing sharply, caused multiband multi-system wireless communication system and deposit.And antenna is the important component part that realizes radio communication, just having occurred various communication antennas in the actual life stands in great numbers, inevitably caused the phase mutual interference between the various wireless communication systems, also caused the increase of system cost simultaneously, existing double frequency omnibearing antenna technology or gain are too low, volume is excessive, and be not diplex operation, all be bad for user and common carrier, at present, the number that various communication antennas set up is many, and this has also had a strong impact on the appearance of the city in city.
The utility model content
In order to solve the deficiency of above-mentioned technology, the utility model aims to provide a kind of novel compact dual-frequency duplex high-gain omni-directional antenna, this antenna compatibility is operated in two-band and the two kinds of communication systems, reduced the interference between each communication system, have the function of double frequency duplex, volume is little, saves cost, beautify the environment, reduce the quantity that erects a television antenna.
In order to achieve the above object, the utility model adopts following technical scheme to realize: a kind of compact dual-frequency duplex high-gain omni-directional antenna, its outside comprises protecting cover, is positioned at the guard shield under this protecting cover, metal base, coaxial main feeder cable and the antenna terminal of antenna bottom; Its inside includes frequency range radiation more than an assembly, the frequency range assembly of radiation more than two and little band frequency mixer.Described frequency range radiation more than an assembly is made up of several frequency range one radiating elements, described frequency range radiation more than two assembly is connected with the coaxial main feeder cable of a little band frequency mixer and belt lacing by being made up of several frequency range two radiating elements in the bottom of frequency range radiation more than two assembly.Wherein, described little band frequency mixer includes double-deck low-loss micro-strip filter; fix by a metallic support; and come device by a can that can play the protection and the usefulness of shielding; one end of described little band frequency mixer connects coaxial main feeder, and the other end connects many radiation assembly feed half steel coaxial cable of two frequency ranges respectively.
The utility model adopts coaxial sleeve cross feed mode, combines together up and down, and this antenna compatibility is operated in two-band and the two kinds of communication systems, reduced the interference between each communication system, and volume is little, provides cost savings, beautify the environment, reduce advantages such as the quantity that erects a television antenna.And this antenna can be operated in 1880～1920MHz and two frequency ranges of 2400～2500MHz, each band antenna gain is all greater than 8dBi, and the antenna main beam angle of declination is variable from 0 ° ± 20 ° in two-band, adopt present technique to design, can be widely used in the various wireless communication systems, use as two-band base station omnidirectional antenna.
Description of drawings
Fig. 1 is the utility model overall appearance structure chart;
Fig. 2 is the cut-away view of utility model;
Fig. 3 is the radiating element schematic diagram of utility model;
Fig. 4 is little band frequency mixer structure chart of the present utility model;
Fig. 5 is the structural representation of the double-deck low-loss micro-strip filter in little band frequency mixer of the present utility model;
Fig. 6 is little band frequency mixer outward appearance front view of the present utility model;
Fig. 7 is little band frequency mixer outward appearance end view of the present utility model;
Fig. 8 is typically have a down dip 10 ° the directional diagram of the utility model at the 1905MHz Frequency point;
Fig. 9 is typically have a down dip 10 ° the directional diagram of the utility model at the 2450MHz Frequency point;
Figure 10 is typically have a down dip 20 ° the directional diagram of the utility model at the 1905MHz Frequency point;
Figure 11 is typically have a down dip 20 ° the directional diagram of the utility model at the 2450MHz Frequency point;
Figure 12 is the utility model medium fixture front view;
Figure 13 is the end view of the utility model medium fixture.
Embodiment
Come with reference to the accompanying drawings, and in conjunction with the embodiments that the utility model is described in more detail and explain.
As shown in Figure 1, a kind of compact dual-frequency duplex high-gain omni-directional antenna, its outside includes the protecting cover 1 that is positioned at the top, be positioned at the guard shield 2 under this protecting cover 1, the metal base 3 of antenna bottom, coaxial main feeder cable 4, and antenna terminal 5, wherein guard shield 2 adopts φ 25 * 2mm glass reinforced plastic pipe, and 3 pairs of antennas of metal base play fixing firm effect.
As shown in Figure 2, its inside includes frequency range radiation more than an assembly 6, frequency range radiation more than two assembly 7, described frequency range radiation more than an assembly 6 is made up of 9 frequency range one radiating elements, be respectively 61,62,63,64,65,66,67,68,69, described frequency range radiation more than two assembly 7 also is made up of 9 frequency range two radiating elements, be respectively 71,72,73,74,75,76,77,78,79, two frequency range radiating elements by the thin-walled of φ 8～φ 14mm cover copper pipe as the tube radiating doublet.Be connected with a little band frequency mixer 9 in the bottom of frequency range two radiation assemblys 7, little band frequency mixer 9 is connected to semi-rigid coaxial cable 8 and coaxial main feeder cable 4 successively simultaneously.Half steel coaxial cable 8 adopts SFT-50-3 or SFT-50-2, and it both can be used as the inner wire of sleeve radiating doublet, took into account the feeder line of two-band simultaneously.
Radiating element is the sleeve radiating doublet of thin-wall copper pipe 10 conducts of φ 8～φ 14mm, and has a medium fixture 11 to be separated by as fixed support between each radiating doublet to come, and guarantees the axiality of internal and external conductor simultaneously.Adjust sleeve radiating doublet length and can change the aerial radiation angle of declination, according to filled media whether in the radiating doublet, both can constitute medium coaxial type radiating element, also can constitute air coaxial type radiating element, according to the requirement difference of user to Downtilt, the length of its radiating doublet will change for it.
Shown in Figure 12,13, medium fixture 11 is a circular end surface, and blocks 112 and play spacing effect at the arc retaining that respectively is extruded with up and down of the both sides of end face, has hole 111 on its circular end surface.
As shown in Figure 3, semi-rigid coaxial cable 8 passes this hole 111, and passes thin-wall copper pipe 10 simultaneously, and this thin-wall copper pipe 10 is close proximity on the end face of medium fixture 11, and staggers up and down, forms the cross feed oscillator.Medium fixture 11 separates certain interval with radiating doublet, and guarantees the axiality of internal and external conductor simultaneously.
Shown in Fig. 4,5, described little band frequency mixer 9 includes double-deck low-loss micro-strip filter 91, and is fixing by a metallic support 92, and installed by a can 93, can play the usefulness of protection and shielding.One end of described little band frequency mixer 9 connects coaxial main feeder 4, and the other end connects many radiation assembly feed half steel coaxial cable 8 of two frequency ranges respectively.Shown in Fig. 6,7, described can 93 cross sections are incising circular, are beneficial to the smooth discharge of condensed water.
Shown in Fig. 8,9,1905MHz is very consistent with the angle of declination of 2450MHz two frequency ranges, and deviation in roundness is also fine, and this is to guaranteeing that two kinds of communication systems are very favorable in the signal strength signal intensity of the same area of coverage.
Shown in Figure 10,11,1905MHz is very consistent with the angle of declination of 2450MHz frequency two frequency ranges, and deviation in roundness is also fine, and the antenna that angle of declination is 20 ° is very favorable to the uniformity of the signal strength signal intensity of little overlay area.
The miniaturization mixer of the also available LC form of described mixer, its size range is controlled in φ 20 * 70mm.The utility model volume is little, and its radome external diameter is not more than φ 25mm, and the antenna total length is not more than 1100mm.This utility model can be used for any two working frequency range in 400MHz to the 6GHz frequency range and the compatibility work of two kinds of communication systems.Have the saving cost, beautify the environment, reduce advantages such as the quantity that erects a television antenna, can be widely used in the various wireless communication systems, use as the base station omnidirectional antenna.
Claims (6)
1, a kind of compact dual-frequency duplex high-gain omni-directional antenna, its outside comprises protecting cover, is positioned at the guard shield under this protecting cover, and the metal base of antenna bottom, coaxial main feeder cable and antenna terminal; And inside includes frequency range radiation more than an assembly; the frequency range assembly of radiation more than two and little band frequency mixer; described frequency range radiation more than an assembly is made up of several frequency range one radiating element cross feeds; described frequency range radiation more than two assembly is made up of several frequency range two radiating element cross feeds; be connected with the coaxial main feeder cable of a little band frequency mixer and belt lacing in the bottom of frequency range radiation more than two assembly; it is characterized in that described frequency mixer includes double-deck low-loss micro-strip filter; fix by a metallic support; and come device by a can that can play the protection and the usefulness of shielding; one end of described little band frequency mixer connects coaxial main feeder, and the other end connects many radiation assembly feed half steel coaxial cable of two frequency ranges respectively.
2, a kind of compact dual-frequency duplex high-gain omni-directional antenna according to claim 1, it is characterized in that described many radiation assembly is made up of 6-14 radiating element, described radiating element is the sleeve radiating doublet of the thin-wall copper pipe of φ 8～φ 14mm, described sleeve radiating doublet length can be adjusted, change the aerial radiation angle of declination, but filled media in the described radiating doublet constitutes medium coaxial type radiating element, and medium can adopt polytetrafluoroethylene or composite polyethylene material; Described radiating doublet also can constitute air coaxial type radiating element.
3, a kind of compact dual-frequency duplex high-gain omni-directional antenna according to claim 2, it is characterized in that having a dielectric support to be separated by between described each radiating doublet comes, dielectric support is for adopting polytetrafluoroethylene or the injection molded medium fixture of composite polyethylene material.
4, a kind of compact dual-frequency duplex high-gain omni-directional antenna according to claim 1, it is characterized in that described half steel coaxial cable adopts SFT-50-3 or SFT-50-2, it both can be used as the inner wire of sleeve radiating doublet, took into account the feeder line of two-band simultaneously.
5, a kind of compact dual-frequency duplex high-gain omni-directional antenna according to claim 1 is characterized in that described can cross section is an incising circular, is beneficial to the smooth discharge of condensed water.
6, a kind of compact dual-frequency duplex high-gain omni-directional antenna according to claim 1 is characterized in that the miniaturization mixer of the also available LC form of described mixer, and its size range is less than φ 20 * 70mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520011124 CN2786806Y (en) | 2005-03-29 | 2005-03-29 | Small-scale double frequency duplex high magnification omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520011124 CN2786806Y (en) | 2005-03-29 | 2005-03-29 | Small-scale double frequency duplex high magnification omnidirectional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2786806Y true CN2786806Y (en) | 2006-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520011124 Expired - Fee Related CN2786806Y (en) | 2005-03-29 | 2005-03-29 | Small-scale double frequency duplex high magnification omnidirectional antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2786806Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122759A (en) * | 2010-11-16 | 2011-07-13 | 广东盛路通信科技股份有限公司 | Combined small-diameter double-frequency omnidirectional antenna |
| CN102394356A (en) * | 2011-10-31 | 2012-03-28 | 江苏安特耐科技有限公司 | Antenna oscillator |
| CN105633561A (en) * | 2016-01-04 | 2016-06-01 | 深圳市维力谷无线技术股份有限公司 | Antenna comprising polymer material |
| CN109039431A (en) * | 2018-08-23 | 2018-12-18 | 中国联合网络通信有限公司宁德市分公司 | A kind of air base station based on unmanned plane |
-
2005
- 2005-03-29 CN CN 200520011124 patent/CN2786806Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122759A (en) * | 2010-11-16 | 2011-07-13 | 广东盛路通信科技股份有限公司 | Combined small-diameter double-frequency omnidirectional antenna |
| CN102122759B (en) * | 2010-11-16 | 2015-09-23 | 广东盛路通信科技股份有限公司 | Combined small-diameter double-frequency omnidirectional antenna |
| CN102394356A (en) * | 2011-10-31 | 2012-03-28 | 江苏安特耐科技有限公司 | Antenna oscillator |
| CN105633561A (en) * | 2016-01-04 | 2016-06-01 | 深圳市维力谷无线技术股份有限公司 | Antenna comprising polymer material |
| CN109039431A (en) * | 2018-08-23 | 2018-12-18 | 中国联合网络通信有限公司宁德市分公司 | A kind of air base station based on unmanned plane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060607 |