CN104466362A - High-gain multi-frequency-band high-speed railway coverage planar antenna - Google Patents
High-gain multi-frequency-band high-speed railway coverage planar antenna Download PDFInfo
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- CN104466362A CN104466362A CN201410761175.4A CN201410761175A CN104466362A CN 104466362 A CN104466362 A CN 104466362A CN 201410761175 A CN201410761175 A CN 201410761175A CN 104466362 A CN104466362 A CN 104466362A
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Abstract
The invention belongs to the technical field of antennas, and particularly relates to a high-gain multi-frequency-band high-speed railway coverage planar antenna. The antenna comprises an outer enclosure, end covers, a connector, a clamp and a bottom plate, wherein the two ends of the outer enclosure are each provided with one end cover so as to jointly form a closed cavity, the connector is arranged on the outer surface of one end cover, and the bottom plate is fixed in the cavity through the clamp on the back side of the outer enclosure. The antenna is characterized in that a power divider is fixed to the back side of the bottom plate, the front side of the bottom plate is provided with two columns of high-frequency oscillators and two columns of low-frequency oscillators in the longitudinal direction, the high-frequency oscillators and the low-frequency oscillators are parallel to each other and the same in number, and one column of high-frequency oscillators are located right between the two columns of low-frequency oscillators; the connection line of circle centers of the other column of high-frequency oscillators coincides with the connection line of circle centers of any column of low-frequency oscillators, and one high-frequency oscillator is coaxially arranged in each low-frequency oscillator in the column. The antenna is simple in structure, two irradiation units are used for overlapping array organization, two sets of networks are used for independent feed, and the antenna has the advantages of dual polarization, multiple frequency bands, multiple systems, narrow beam and high gain.
Description
Technical field
The invention belongs to antenna technical field, be specifically related to a kind of high-gain multiband high ferro and cover plate antenna.
Background technology
Flourish high ferro construction, covers service to the high ferro of each operator communication network and proposes high demand.Bullet train mainly causes due to the speed of car body loss and high-speed mobile the impact of mobile communication, and the penetration loss difference of different car body to wireless signal is very large.When carrying out covering design, must using the vehicle of maximum penetration loss as the target of coverage optimization.For the CRH2 type train that Beijing-Shanghai express railway uses, without sleeping carriage, expectation loss is 10dB, and high-speed railway belongs to the covering of long and narrow terrain scene, lobe is wide is not suitable for the covering of high ferro strip, and gain is less, thus antenna choose with gain and narrow beam for benchmark, prioritizing selection high-gain narrow beam type antenna.Multiband aerial can save limited space of building a station, and meets the band requirement of different systems.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of high-gain multiband high ferro and cover plate antenna, this antenna can adapt to GSM900, CDMA800, TD-FA, GSM1800, CDMA2000, WCDMA multiple network standard, use two kinds of radiating element overlap group battle arrays and two cover network independent power feedings, possess the feature of dual polarization, multiband, multisystem, narrow beam, high-gain.
The main technical schemes that the present invention adopts is: a kind of high-gain multiband high ferro covers plate antenna, it comprises outer cover, end cap, joint, folder code and base plate, the two ends of described outer cover are respectively provided with an end cap and jointly form closed cavity, the outer surface of one of them end cap is provided with joint, the inside of cavity is fixed with base plate by the folder code at the outer cover back side, it is characterized in that: the back side of described base plate is fixed with power splitter, the front of base plate is longitudinally respectively provided with two row and is parallel to each other and the equal high frequency oscillator of quantity and low-frequency vibrator, wherein a row high frequency oscillator is positioned at the middle of two row low-frequency vibrator, the circle center line connecting of another row high frequency oscillator overlap with the circle center line connecting of any row low-frequency vibrator and this arrange in each low-frequency vibrator in be all coaxially provided with a high frequency oscillator.
The present invention also adopts following attached technical scheme:
In above-mentioned plate antenna, the quantity of described high frequency oscillator is the twice of low-frequency vibrator quantity, and every two low-frequency vibrator middles that circle center line connecting overlaps are provided with a high frequency oscillator.
In above-mentioned plate antenna, the working frequency range of described high frequency oscillator is 1710MHz ~ 2170MHz, and the working frequency range of low-frequency vibrator is 824MHz ~ 960MHz.
In above-mentioned plate antenna, the spacing of described high frequency oscillator and the longitudinal array of low-frequency vibrator is 0.86 times of wavelength of respective working frequency range.
In above-mentioned plate antenna, the disc structure of the hollow out that described high frequency oscillator divides circular arc to form by four grades.
In above-mentioned plate antenna, the bowl structure of the hollow out that described low-frequency vibrator is made up of four point oscillator arms such as grade.
The beneficial effect adopting the present invention to bring is: the feature possessing dual polarization, multiband, multisystem, narrow beam, high-gain, meets the high request of the comprehensive covering communication network service of high ferro.
Accompanying drawing explanation
Be described further below in conjunction with accompanying drawing:
Fig. 1 is detonation configuration figure of the present invention.
Fig. 2 is the arrangement schematic diagram that the present invention removes high frequency after outer cover, low-frequency vibrator.
Fig. 3 is the structural representation at the base plate back side of the present invention.
Fig. 4 is the structural representation of high frequency oscillator of the present invention.
Fig. 5 is the structural representation of low-frequency vibrator of the present invention.
Fig. 6 is the horizontal lobe width of high frequency of the present invention 30 degree of directional diagrams.
Fig. 7 is the horizontal lobe width of existing design high frequency 65 degree of directional diagrams.
Fig. 8 is the horizontal lobe width of low frequency of the present invention 30 degree of directional diagrams.
Fig. 9 is the horizontal lobe width of existing design low frequency 65 degree of directional diagrams.
The label that wherein component names is corresponding is as follows:
Outer cover 1, end cap 2, joint 3, folder code 4, base plate 5, power splitter 6, high frequency oscillator 7, low-frequency vibrator 8.
Embodiment
As shown in Figure 1-Figure 3, a kind of high-gain multiband high ferro covers plate antenna, it comprises outer cover 1, end cap 2, joint 3, folder code 4 and base plate 5, wherein outer cover 1 adopts glass-reinforced plastic material to make, the two ends of described outer cover 1 are respectively provided with an end cap 2 and jointly form closed cavity, the outer surface of one of them end cap 2 is provided with joint 3, model is 7/16, the inside of cavity is fixed with base plate 5 by the folder code 4 at outer cover 1 back side, the back side of described base plate 5 is fixed with power splitter 6, the front of base plate 5 is longitudinally respectively provided with two row and is parallel to each other and the equal high frequency oscillator 7 of quantity and low-frequency vibrator 8, wherein a row high frequency oscillator 7 is positioned at the middle of two row low-frequency vibrator 8, the circle center line connecting of another row high frequency oscillator 7 overlap with the circle center line connecting of any row low-frequency vibrator 8 and this arrange in each low-frequency vibrator 8 li be all coaxially provided with a high frequency oscillator 7, the quantity of described high frequency oscillator 7 is twices of low-frequency vibrator 8 quantity, every two low-frequency vibrator 8 middles that circle center line connecting overlaps are provided with a high frequency oscillator 7, the working frequency range of described high frequency oscillator 7 is 1710MHz ~ 2170MHz, the working frequency range of low-frequency vibrator 8 is 824MHz ~ 960MHz, the spacing of high frequency oscillator 7 and the longitudinal array of low-frequency vibrator 8 is 0.86 times of wavelength of respective working frequency range.Above-mentioned high frequency oscillator 7 and low-frequency vibrator 8 are constituted separate feeding network respectively and are integrated by four row oscillators array separately by power splitter 6, form four interfaces, ° two polarization of high frequency 1710MHz ~ 2170MHz ± 45 respectively, low frequency 824MHz ~ 960MHz ± 45 ° two polarization, thus reach multiband, multi-modulation scheme works simultaneously, shares common antenna.
As illustrated in figures 4-5, in above-mentioned plate antenna, the disc structure of the hollow out that described high frequency oscillator 7 divides circular arc to form by four grades.The bowl structure of the hollow out that described low-frequency vibrator 8 is made up of four point oscillator arms such as grade.The bowl O-shaped structure of low-frequency vibrator 8, one is reduction of oscillator height, and two is the spatial placement high frequency oscillators 7 reserving central point.
In the present embodiment, high frequency oscillator 7 constitutes the array of 10 × 2, and low-frequency vibrator 8 constitutes the array of 5 × 2, and this array format of overlapping group battle array effectively make use of the space of low-frequency vibrator 8 groups of battle arrays generations, under the prerequisite that guarantee two frequency range complementations are interfered, reduce the width of antenna.The form of this programme biserial group battle array, has been compressed to 30 degree, i.e. the spread pattern of double frequency, wide 30 arrays of lobe by wide for horizontal lobe from 65 degree of columnar version, the wide emittance that can make of horizontal lobe after compression is more concentrated, the antenna of ratio of gains equal length increases one times, i.e. 3dB, as Figure 6-9.Because the part of high frequency oscillator 7 array is asymmetric with Antenna baseplate 5 center line, the horizontal plane lobe of high frequency can be caused wide asymmetric, affect the consistency of directional diagram, so done phase compensation on the network giving high frequency oscillator 7 feed, namely electricity is adopted to adjust the form correction space quadrature of phase compensation, namely by regulating feeder cable length to realize.
The present invention is not limited to above embodiment, and every other execution modes drawn by those skilled in the art's technical scheme according to the present invention, drop within protection scope of the present invention equally.
Claims (6)
1. a high-gain multiband high ferro covers plate antenna, it comprises outer cover (1), end cap (2), joint (3), folder code (4) and base plate (5), the two ends of described outer cover (1) are respectively provided with an end cap (2) and jointly form closed cavity, the outer surface of one of them end cap (2) is provided with joint (3), the inside of cavity is fixed with base plate (5) by the folder code (4) at outer cover (1) back side, it is characterized in that: the back side of described base plate (5) is fixed with power splitter (6), the front of base plate (5) is longitudinally respectively provided with two row and is parallel to each other and the equal high frequency oscillator (7) of quantity and low-frequency vibrator (8), wherein a row high frequency oscillator (7) is positioned at the middle of two row low-frequency vibrator (8), the circle center line connecting of another row high frequency oscillator (7) overlap with the circle center line connecting of any row low-frequency vibrator (8) and this arrange in each low-frequency vibrator (8) be innerly all coaxially provided with a high frequency oscillator (7).
2. a kind of high-gain multiband high ferro as claimed in claim 1 covers plate antenna, it is characterized in that: the quantity of described high frequency oscillator (7) is the twice of low-frequency vibrator (8) quantity, every two low-frequency vibrator (8) middles that circle center line connecting overlaps are provided with a high frequency oscillator (7).
3. a kind of high-gain multiband high ferro as claimed in claim 1 covers plate antenna, and it is characterized in that: the working frequency range of described high frequency oscillator (7) is 1710MHz ~ 2170MHz, the working frequency range of low-frequency vibrator (8) is 824MHz ~ 960MHz.
4. a kind of high-gain multiband high ferro as claimed in claim 3 covers plate antenna, it is characterized in that: the spacing of described high frequency oscillator (7) and low-frequency vibrator (8) longitudinal array is 0.86 times of wavelength of respective working frequency range.
5. a kind of high-gain multiband high ferro as claimed in claim 1 covers plate antenna, it is characterized in that: the disc structure of the hollow out that described high frequency oscillator (7) divides circular arc to form by four grades.
6. a kind of high-gain multiband high ferro as claimed in claim 1 covers plate antenna, it is characterized in that: the bowl structure of the hollow out that described low-frequency vibrator (8) is made up of four point oscillator arms such as grade.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410761175.4A CN104466362A (en) | 2014-12-12 | 2014-12-12 | High-gain multi-frequency-band high-speed railway coverage planar antenna |
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| CN201410761175.4A CN104466362A (en) | 2014-12-12 | 2014-12-12 | High-gain multi-frequency-band high-speed railway coverage planar antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846076A (en) * | 2016-05-12 | 2016-08-10 | 京信通信技术(广州)有限公司 | Antenna |
| CN107645045A (en) * | 2017-10-18 | 2018-01-30 | 广东博纬通信科技有限公司 | A kind of ultra-wideband multisystem narrow beam array antenna |
| CN108155484A (en) * | 2017-12-06 | 2018-06-12 | 广州创锦通信技术有限公司 | Wide band dual polarization wall aerial |
| CN107645045B (en) * | 2017-10-18 | 2024-05-31 | 广东博纬通信科技有限公司 | Ultra-wideband multi-system narrow beam array antenna |
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| CN2838058Y (en) * | 2005-11-29 | 2006-11-15 | 烟台高盈科技有限公司 | Probe type dual frequency dual polarization base station antenna |
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| CN103094715A (en) * | 2012-01-13 | 2013-05-08 | 京信通信系统（中国）有限公司 | Antenna control system and multi-frequency shared antenna |
| CN103490175A (en) * | 2013-09-23 | 2014-01-01 | 摩比天线技术（深圳）有限公司 | Integrated base station antenna |
| CN204230423U (en) * | 2014-12-12 | 2015-03-25 | 浙江佳源通讯技术有限公司 | A kind of high-gain multiband high ferro covers plate antenna |
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2014
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| CN1886864A (en) * | 2003-12-01 | 2006-12-27 | 阿里尔康姆公司 | Multiband dual-polarised array antenna |
| CN2838058Y (en) * | 2005-11-29 | 2006-11-15 | 烟台高盈科技有限公司 | Probe type dual frequency dual polarization base station antenna |
| CN101427418A (en) * | 2006-04-06 | 2009-05-06 | 安德鲁公司 | A cellular antenna and systems and methods therefor |
| CN101855782A (en) * | 2007-08-30 | 2010-10-06 | 康普北卡罗来纳州公司 | Antenna with honeycomb and point-to-point communication ability |
| CN201430217Y (en) * | 2009-05-16 | 2010-03-24 | 广东通宇通讯设备有限公司 | Coaxial dual-frequency bipolarization base station antenna |
| CN103094715A (en) * | 2012-01-13 | 2013-05-08 | 京信通信系统（中国）有限公司 | Antenna control system and multi-frequency shared antenna |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105846076A (en) * | 2016-05-12 | 2016-08-10 | 京信通信技术(广州)有限公司 | Antenna |
| CN105846076B (en) * | 2016-05-12 | 2019-11-15 | 京信通信技术(广州)有限公司 | Antenna |
| CN107645045A (en) * | 2017-10-18 | 2018-01-30 | 广东博纬通信科技有限公司 | A kind of ultra-wideband multisystem narrow beam array antenna |
| CN107645045B (en) * | 2017-10-18 | 2024-05-31 | 广东博纬通信科技有限公司 | Ultra-wideband multi-system narrow beam array antenna |
| CN108155484A (en) * | 2017-12-06 | 2018-06-12 | 广州创锦通信技术有限公司 | Wide band dual polarization wall aerial |
| CN108155484B (en) * | 2017-12-06 | 2021-07-30 | 广州创锦通信技术有限公司 | Broadband dual-polarized wall-mounted antenna |
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