CN201887149U - Broadband wide-beam dual-polarized antenna unit - Google Patents
Broadband wide-beam dual-polarized antenna unit Download PDFInfo
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- CN201887149U CN201887149U CN2010206505030U CN201020650503U CN201887149U CN 201887149 U CN201887149 U CN 201887149U CN 2010206505030 U CN2010206505030 U CN 2010206505030U CN 201020650503 U CN201020650503 U CN 201020650503U CN 201887149 U CN201887149 U CN 201887149U
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- polarized antenna
- antenna unit
- dual polarized
- wideband
- broad beam
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Abstract
The utility model discloses a broadband wide-beam dual-polarized antenna unit. The antenna unit comprises two groups of polarized orthometric dipole radiating elements, each group of dipole radiating element comprises a pair of U-shaped radiating arms arranged in central symmetry, and the U-shaped radiating arms are arranged on corresponding barrons. By changing the traditional design concept, the original linear, fan-shaped or square radiating arms are changed into the U-shaped radiating arms, so that the half-power angle of the main lobe of the antenna can be flexibly adjusted through adjusting the width of the U shape, so as to endow the radiating elements with higher directional property at the same half-power angle and lay a favorable foundation for obtaining a broadband wide-beam base station antenna.
Description
Technical field
The utility model relates to the antenna of mobile communication base station field, particularly a kind of dual polarized antenna unit.
Background technology
Along with the development of mobile communication technology, the index request of Bipolarization antenna for base station, particularly gain, bandwidth characteristic, half-power angle with aspects such as the wave characteristic of frequency, cross polarization characteristics, more and more higher requirement have been proposed.
Dual polarized antenna unit mainly adopts following several way of realization:
1, adopts the sub-quadrature of two electrode couples to place, form the layout of squarish, for example disclosed design of U.S. Pat 6819300B2.
2, select little band radiating element for use, realize dual polarization by the coupling or the form of direct feed, for example the disclosed microstrip type dual polarized antenna unit of publication number CN1822438A.
3, adopt dipole antenna oscillator structure two concurrents, staggered and polarization orthogonal.The for example disclosed multiple dual polarized antenna unit design of publication number CN1591976A; The plane dual polarized antenna unit of the disclosed employing medium of publication number CN101465475A sheet material design; U.S. Patent number US6747606B2 also discloses a kind of dual-polarized oscillator of the type.
In network communicating system commonly used, the normal horizontal plane half-power beam width that uses of antenna is 65 degree and 90 degree.Above-mentioned first kind of scheme is general to adopt two pairs of half-wave dipoles to form a dual polarization antenna radiation unit, and wave beam is narrower, is difficult to realize the design of broad beam.And in second kind of scheme, the band bandwidth of little band radiating element is narrow, and the isolation of two-port is poor, and the oscillator gain is not high, be difficult to be used on all channel antenna, and the assembling trouble.
Comparatively speaking, adopt the radiating element of the third scheme layout to have very wide band bandwidth, present most antenna producer product all adopts this form.Though this mode is extensively adopted by industry institute, in the disclosed at present design, also mostly be the beamwidth design of 65 degree, be not easy further to launch beamwidth.Chinese patent CN2916958Y discloses a kind of design that is used for 90 degree beamwidths, adopted microstrip antenna, but as mentioned above, there is the critical defect of narrow bandwidth in it.And the disclosed dual-polarized oscillator of U.S. Patent number US6747606B2, its radiation arm designs for V-type, but this oscillator is not integrated design, and parts are many, and assembling is complicated.
The utility model content
The technical problems to be solved in the utility model provides a kind of dual polarized antenna unit that is easy to realize broad beam.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of wideband broad beam dual polarized antenna unit comprises that the dipole radiation unit of two groups of polarization quadratures, described every group of dipole radiation unit comprise a pair of U type radiation arm that is centrosymmetric and is provided with, and described U type radiation arm all is arranged on the Ba Lunshang corresponding with it.
As improvement of the technical scheme, the end of described U type radiation arm curves inwardly.
As further improvement in the technical proposal, described U type radiation arm terminal outwardly-bent.
As further improvement in the technical proposal, the cross section of described U type radiation arm is L shaped, circular or square.
As further improvement in the technical proposal, the upper surface of the link of described U type radiation arm and Ba Lun sink, form 4 feed platforms, wherein 2 adjacent feed platforms are provided with slotted eye, and other 2 individual adjacent feed platform is provided with the projection that stretches out on the Ba Lun corresponding with it.
As further improvement in the technical proposal, there is difference in height between described 4 feed platforms are single or paired.
As further improvement in the technical proposal, the outer surface of described Ba Lun 4 is provided with the line groove of walking of arranging cable.
As further improvement in the technical proposal, the integrated die cast of described dual polarized antenna unit.
As further improvement in the technical proposal, described Ba Lun highly is 0.2～0.3 operation wavelength.
Compared with prior art, the beneficial effects of the utility model are: by changing traditional design concept, radiation arm is by original linear, the fan-shaped or square U-shaped form that changes into, so just can be by regulating the width of U type, come the main lobe half-power angle of flexible antenna, make radiating element under identical half-power angle, have higher directivity, lay a good foundation for realizing wideband broad beam antenna for base station.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is example structure schematic diagram of the utility model;
Fig. 2 is the elevational schematic view of example structure shown in Fig. 1;
View when Fig. 3 is the use of example structure shown in Fig. 1;
Fig. 4 is the horizontal radiation pattern schematic diagram one of the utility model emulation;
Fig. 5 is the horizontal radiation pattern schematic diagram two of the utility model emulation.
Embodiment
Referring to figs. 1 through Fig. 2, a kind of wideband broad beam dual polarized antenna unit of the present utility model, the dipole radiation unit that comprises two groups of polarization quadratures, described every group of dipole radiation unit comprises a pair of U type radiation arm 1 that is centrosymmetric and is provided with, and described U type radiation arm 1 all is arranged on the Ba Lun corresponding with it 4.The utility model is by changing traditional design concept, radiation arm is by original linear, the fan-shaped or square U-shaped form that changes into, so just can be by regulating the width of U type, come the main lobe half-power angle of flexible antenna, make radiating element under identical half-power angle, have higher directivity, lay a good foundation for realizing wideband broad beam antenna for base station.
As preferred embodiment, the end of described U type radiation arm 1 curves inwardly, and to increase the road warp that electric current is walked, makes under same radiating aperture situation, can obtain higher radiation efficiency.
As another preferred embodiment, described U type radiation arm 1 terminal outwardly-bent to increase the road warp that electric current is walked, makes under same radiating aperture situation, can obtain higher radiation efficiency.
As preferred embodiment, the cross section of described U type radiation arm 1 is L shaped, circular, square or arbitrary polygon.
In conjunction with Fig. 3, as preferred embodiment, described U type radiation arm 1 sink with the upper surface of the link of Ba Lun 4, form 4 feed platforms 11, wherein 2 adjacent feed platforms 11 are provided with slotted eye 12, and other 2 individual adjacent feed platform 11 is provided with the projection 41 that stretches out on the Ba Lun corresponding with it 4.In use, the utility model is installed on the metallic reflection plate, the through hole that supplies the feeder cable heart yearn to pass this slotted eye 12 and insulating washer is connected feed tab 5 simultaneously, and the other end of feed tab 5 connects the projection 41 that stretches out on the Ba Lun 4.
As preferred embodiment, described 4 feed platforms 11 single or in pairs between have difference in height.
As preferred embodiment, the outer surface of described Ba Lun 4 be provided with arrange cable walk line groove 42.
In addition, need to prove that the feeding classification of the radiant body that present embodiment is given an example is the direct feed mode, feed is simple, produces reliably, and the layout of feeding network is convenient, flexible.If change other feeding classification into,, at this moment only need suitably to regulate the size of radiant body and the reactance value size of coupling unit as Air Coupling etc.
As preferred embodiment, the integrated die cast of described dual polarized antenna unit, simple in structure, easy for installation being easy to produced.
As further improvement in the technical proposal, described Ba Lun highly is 0.2～0.3 operation wavelength, to obtain better frequency bandwidth and S parameter.
Fig. 4 and Fig. 5 have provided the lobe width directional diagram under two kinds of different width of U-shaped radiation arm respectively.As seen from Figure 4, lobe width of the present utility model is 86.4 °～89.5 °; Under same condition, suitably regulate the width of U type after, obtained antenna pattern shown in Figure 5, parameter as can be seen shown in scheme to go up, lobe width becomes 68.8 °～65.2 °, so by design of the present utility model, can easily realize different lobe widths respectively.
Certainly, the invention is not limited to above-mentioned execution mode, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite of the utility model spirit, modification that these are equal to or replacement all are included in the application's claim institute restricted portion.
Claims (10)
1. wideband broad beam dual polarized antenna unit, it is characterized in that: the dipole radiation unit that comprises two groups of polarization quadratures, described every group of dipole radiation unit comprises a pair of U type radiation arm (1) that is centrosymmetric and is provided with, and described U type radiation arm (1) all is arranged on the Ba Lun corresponding with it (4).
2. wideband broad beam dual polarized antenna unit according to claim 1 is characterized in that: the end of described U type radiation arm (1) curves inwardly.
3. wideband broad beam dual polarized antenna unit according to claim 1 is characterized in that: described U type radiation arm (1) terminal outwardly-bent.
4. according to claim 1,2 or 3 described wideband broad beam dual polarized antenna units, it is characterized in that: the cross section of described U type radiation arm (1) is L shaped, circular or square.
5. according to each described wideband broad beam dual polarized antenna unit in the claim 1 to 3, it is characterized in that: described U type radiation arm (1) sink with the upper surface of the link of Ba Lun (4), form 4 feed platforms (11), wherein 2 adjacent feed platforms (11) are provided with slotted eye (12), and other 2 individual adjacent feed platform (11) is provided with the projection (41) that stretches out on the Ba Lun corresponding with it (4).
6. wideband broad beam dual polarized antenna unit according to claim 5 is characterized in that: have difference in height between described 4 feed platforms (11) are single or paired.
7. wideband broad beam dual polarized antenna unit according to claim 5 is characterized in that: the outer surface of described Ba Lun (4) be provided with arrange cable walk line groove (42).
8. wideband broad beam dual polarized antenna unit according to claim 6 is characterized in that: the outer surface of described Ba Lun (4) be provided with arrange cable walk line groove (42).
9. according to claim 1,2,3,6,7 or 8 described wideband broad beam dual polarized antenna units, it is characterized in that: the integrated die cast of described dual polarized antenna unit.
10. wideband broad beam dual polarized antenna unit according to claim 5 is characterized in that: the integrated die cast of described dual polarized antenna unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206505030U CN201887149U (en) | 2010-12-09 | 2010-12-09 | Broadband wide-beam dual-polarized antenna unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206505030U CN201887149U (en) | 2010-12-09 | 2010-12-09 | Broadband wide-beam dual-polarized antenna unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887149U true CN201887149U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206505030U Expired - Fee Related CN201887149U (en) | 2010-12-09 | 2010-12-09 | Broadband wide-beam dual-polarized antenna unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201887149U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098304A (en) * | 2011-09-07 | 2013-05-08 | 华为技术有限公司 | Dual-frequency dual-polarized antenna |
| CN103311651A (en) * | 2013-05-17 | 2013-09-18 | 广东通宇通讯股份有限公司 | Ultra wideband multi-band dual-polarized antenna |
| CN110165381A (en) * | 2019-06-10 | 2019-08-23 | 中天宽带技术有限公司 | A kind of low-frequency vibrator and multi-frequency array antenna |
-
2010
- 2010-12-09 CN CN2010206505030U patent/CN201887149U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098304A (en) * | 2011-09-07 | 2013-05-08 | 华为技术有限公司 | Dual-frequency dual-polarized antenna |
| CN103311651A (en) * | 2013-05-17 | 2013-09-18 | 广东通宇通讯股份有限公司 | Ultra wideband multi-band dual-polarized antenna |
| CN103311651B (en) * | 2013-05-17 | 2016-08-03 | 广东通宇通讯股份有限公司 | A kind of ultra wideband multi-band dual polarized antenna |
| CN110165381A (en) * | 2019-06-10 | 2019-08-23 | 中天宽带技术有限公司 | A kind of low-frequency vibrator and multi-frequency array antenna |
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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: 20110629 Termination date: 20131209 |