CN101916903A - Double-polarized base station antenna die-casting radiation unit - Google Patents
Double-polarized base station antenna die-casting radiation unit Download PDFInfo
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- CN101916903A CN101916903A CN2010102314058A CN201010231405A CN101916903A CN 101916903 A CN101916903 A CN 101916903A CN 2010102314058 A CN2010102314058 A CN 2010102314058A CN 201010231405 A CN201010231405 A CN 201010231405A CN 101916903 A CN101916903 A CN 101916903A
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- base station
- station antenna
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- radiation unit
- radiating doublet
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Abstract
The invention discloses a double-polarized base station antenna die-casting radiation unit, which comprises a reflecting plate, symmetric radiation oscillators, an oscillator fixing plate, a feeder piece and an insulator for fixing the feeder piece, wherein four groups of the symmetric radiation oscillators are arranged in a rhombic form and are fixed on the oscillator fixing plate; the oscillator fixing plate is fixed on the reflecting plate; the feeder piece penetrates the middle of the Baluns of the symmetric radiation oscillators and are fixed by the insulator for fixing the feeder piece; and the upper end of the feeder piece is fixedly connected with the other arm of each symmetric radiation oscillator. The double-polarized base station antenna die-casting radiation unit has the advantages of good standing waves, high gain, convenient production, simple installation, high consistency and the like and can better meet the high performance requirement of a mobile communication base station antenna.
Description
Technical field
The present invention relates to a kind of double-polarized base station antenna die-casting radiation unit, relate in particular to the radiating element of the directed plate antenna of horizontal beam width 65 degree dual polarizations of a kind of GSM/CDMA of being operated in or WCDMA frequency range.
Background technology
The transmission of signal be unable to do without antenna for base station with covering in the mobile communication technology, and Bipolarization antenna for base station is the indispensable part in each base station, and its performance directly influences the quality of communication.And the radiating doublet of the antenna element of a Bipolarization antenna for base station especially.
Traditional right-angled intersection oscillator gain is limited, can't design the high-gain array antenna; Traditional rhombus oscillator, ± 45 ° of each polarised directions also are synthetic by two relative symmetrical dipoles, but because the oscillator number is more, each unit is separately fixing, and it is very low to assemble up efficient, and consistency is bad; Traditional oscillator feeding classification generally adopts Type of Welding, and operation is loaded down with trivial details and the intermodulation percent of pass is low.
Summary of the invention
Goal of the invention: the objective of the invention is at the deficiencies in the prior art, provide a kind of standing wave good Bipolarization antenna for base station radiating element.
Technical scheme: double-polarized base station antenna die-casting radiation unit of the present invention, comprise reflecting plate, symmetrical radiating doublet, oscillator fixed head, feed tab and the fixing insulator of feed tab, described symmetrical radiating doublet is 4 groups, diamondwise is arranged; The arm of described symmetrical radiating doublet and the limit of described reflecting plate angle at 45; The center of the rhombus that described symmetrical radiating doublet constitutes overlaps with the center of reflecting plate;
Described symmetrical radiating doublet is fixed on the described oscillator fixed head, and a described symmetrical radiating doublet and described oscillator fixed head integral body for becoming by die-casting process is installed for the ease of casting processing and production;
Described oscillator fixed head is fixed on the described reflecting plate; In order to improve the third order intermodulation of antenna, boss is arranged at oscillator fixed head bottom, is fixed on the reflecting plate by screw or rivet, to guarantee the close contact of tie point.
Described feed tab is passed in the middle of the Ba Lun of described symmetrical radiating doublet, and fixes by the insulator of described fixedly feed tab, to guarantee the consistency of radiating element electric property; For the ease of the die sinking casting processing, the Ba Lun of described symmetrical radiating doublet partly is cylinder or square column, and the insulator of described fixedly feed tab penetrates in the cylinder, insulator adopts mold injection processing, its material is a polytetrafluoroethylene, and square hole is left in the centre, is convenient to feed tab and passes; Circular hole is left in the upper end of described feed tab, fixedlys connected with another arm of described symmetrical radiating doublet by screw or rivet;
The oscillator arms of symmetry radiating doublet is a rectangular shape, is convenient to broadening radiating element bandwidth of operation; The terminal bending downwards of oscillator arms has improved the cross polarization of the standing wave and positive and negative 60 degree of antenna pattern of low-frequency range under the situation that does not increase oscillator length.
The bending that makes progress of the both sides of reflecting plate has not only guaranteed the mechanical strength of reflecting plate, and has adjusted the beamwidth of horizontal plane, has improved the front and back ratio of antenna.
The present invention compared with prior art, its beneficial effect is: 1, to have a standing wave good in the present invention, and gain is high, and is convenient for production, installs simply, advantages such as high conformity better satisfy the high performance requirements of antenna of mobile communication base station; 2, radiating element of the present invention is made up of four symmetrical radiating doublets, and diamondwise is arranged, and two parallel symmetrical dipoles synthesize a polarised direction, have realized ± 45 ° of polarization the gain that can effectively improve radiating element; 3, rhombus radiating doublet of the present invention has increased the oscillator fixed head between four unit, the fixing two ends of oscillator fixed head only during assembling, just can whole radiating element is effectively fastening, improved efficiency of assembling, be beneficial to batch process, simultaneously owing to fixing point reduces the intermodulation performance of having improved product; 4, leave circular hole on the feed tab of the present invention, available screw or rivet directly are fixed together feed tab and another arm of oscillator, have removed welding sequence from, have improved the intermodulation percent of pass; 4, radiating element of the present invention has not only improved the intermodulation index of antenna, and has improved the efficient of production and assembly greatly.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a partial structurtes schematic diagram of the present invention;
Fig. 3 is oscillator fixed head and reflecting plate tie point schematic diagram;
Fig. 4 is screwed schematic diagram for the oscillator arms of feed tab and symmetrical radiating doublet.
Embodiment
Below in conjunction with accompanying drawing, by a most preferred embodiment, technical solution of the present invention is elaborated, but protection scope of the present invention is not limited to described embodiment.
As shown in the figure, a kind of double-polarized base station antenna die-casting radiation unit of the horizontal beam width that is operated in GSM/CDMA or WCDMA frequency range 65 degree comprises reflecting plate 1, symmetrical radiating doublet 2, oscillator fixed head 3, feed tab 4 and the fixing insulator 5 of feed tab;
Described symmetrical radiating doublet 2 is 4 groups, and diamondwise is arranged, and the center of the rhombus that described symmetrical radiating doublet 2 constitutes overlaps the limit angle at 45 of the arm of described symmetrical radiating doublet 5 and described reflecting plate 1 with the center of reflecting plate 1;
Described symmetrical radiating doublet 2 and the integral body of described oscillator fixed head 3 for becoming by die-casting process, adopt the die sinking casting processing, its material can be a copper, also can be that aluminium is zinc-plated etc., be convenient to casting processing and production is installed, boss is arranged at described oscillator fixed head 3 bottoms, is fixed on the described reflecting plate 1 by screw or rivet;
The Ba Lun of described symmetrical radiating doublet 2 partly is cylinder or square column, and the insulator 5 of described fixedly feed tab penetrates in the cylinder; Described feed tab 4 is passed in the middle of the Ba Lun of described symmetrical radiating doublet 2, and fixing by the insulator 5 of described fixedly feed tab;
The end of described feed tab 4 leaves circular hole, can with another arm of described symmetrical radiating doublet 2 by screw or rivet is fastening links to each other; Feed tab 4 adopts stamping die processing, but its material is the soldering metal, guarantees that feed tab has enough intensity, when mounted can be not crooked; Insulator 5 adopts mold injection processing, and its material is a polytetrafluoroethylene, and square hole is left in the centre, is convenient to feed tab and passes;
The terminal bending downwards of the arm of described symmetrical radiating doublet 2 has improved the cross polarization of the standing wave and positive and negative 60 degree of antenna pattern of low-frequency range under the situation that does not increase oscillator length;
Reflecting plate 1 adopts Sheet Metal Forming Technology to be made, and its material is an aluminium, and the both sides bending that makes progress has guaranteed the electric property of radiating element and the mechanical strength of base plate.
As mentioned above, although represented and explained the present invention with reference to specific preferred embodiment, but it shall not be construed as the restriction to the present invention self, under the spirit and scope of the present invention prerequisite that does not break away from the claims definition, can make various variations in the form and details to it.
Claims (8)
1. double-polarized base station antenna die-casting radiation unit, comprise reflecting plate (1), symmetrical radiating doublet (2), oscillator fixed head (3), feed tab (4) and the fixing insulator of feed tab (5), it is characterized in that: described symmetrical radiating doublet (2) is 4 groups, diamondwise is arranged, and be fixed on the described oscillator fixed head (3), described oscillator fixed head (3) is fixed on the described reflecting plate (1); Described feed tab (4) is passed in the middle of the Ba Lun of described symmetrical radiating doublet (2), and fixing by the insulator (5) of described fixedly feed tab, then fixedlys connected with another arm of described symmetrical radiating doublet (2) in the upper end of described feed tab (4).
2. double-polarized base station antenna die-casting radiation unit according to claim 1 is characterized in that: the limit angle at 45 of the arm of described symmetrical radiating doublet (5) and described reflecting plate (1).
3. require 1 described double-polarized base station antenna die-casting radiation unit according to power, it is characterized in that: the center of the rhombus that described symmetrical radiating doublet (2) constitutes overlaps with the center of reflecting plate (1).
4. double-polarized base station antenna die-casting radiation unit according to claim 1 is characterized in that: described symmetrical radiating doublet (2) and the integral body of described oscillator fixed head (3) for becoming by die-casting process.
5. require 1 described double-polarized base station antenna die-casting radiation unit according to power, it is characterized in that: the Ba Lun of described symmetrical radiating doublet (2) partly is cylinder or square column, and the insulator of described fixedly feed tab (5) penetrates in the cylinder.
6. require 1 described double-polarized base station antenna die-casting radiation unit according to power, it is characterized in that: the terminal bending downwards of the arm of described symmetrical radiating doublet (2).
7. require 1 described double-polarized base station antenna die-casting radiation unit according to power, it is characterized in that: circular hole is left in the upper end of described feed tab (4), fixedlys connected with another arm of described symmetrical radiating doublet (2) by screw or rivet.
8. require 1 described double-polarized base station antenna die-casting radiation unit according to power, it is characterized in that: the bending that makes progress of the both sides of described reflecting plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102314058A CN101916903A (en) | 2010-07-20 | 2010-07-20 | Double-polarized base station antenna die-casting radiation unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102314058A CN101916903A (en) | 2010-07-20 | 2010-07-20 | Double-polarized base station antenna die-casting radiation unit |
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| Publication Number | Publication Date |
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| CN101916903A true CN101916903A (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010102314058A Pending CN101916903A (en) | 2010-07-20 | 2010-07-20 | Double-polarized base station antenna die-casting radiation unit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760936A (en) * | 2012-07-20 | 2012-10-31 | 江苏华灿电讯股份有限公司 | Plus/minus 45-degree dual-polarized base station antenna |
| CN104167599A (en) * | 2014-09-01 | 2014-11-26 | 镇江中安通信科技有限公司 | Low-frequency planar antenna with wavy side edges |
| CN104167598A (en) * | 2014-09-01 | 2014-11-26 | 镇江中安通信科技有限公司 | High frequency planar antenna with sawtooth-shaped side edges |
| CN110323551A (en) * | 2018-03-30 | 2019-10-11 | 罗森伯格技术（昆山）有限公司 | A kind of patch radiating element |
| CN113782969A (en) * | 2021-08-06 | 2021-12-10 | 佛山市粤海信通讯有限公司 | Four-channel antenna |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2560107Y (en) * | 2002-08-02 | 2003-07-09 | 西安海天天线科技股份有限公司 | Double-polarization shaped wave beam base station antenna |
| CN2881992Y (en) * | 2006-03-24 | 2007-03-21 | 南京理工大学 | Antenna of 3G dipole mobile communication base station |
| CN201285797Y (en) * | 2008-10-29 | 2009-08-05 | 中国移动通信集团公司 | Antenna radiation unit |
| CN201518350U (en) * | 2009-09-30 | 2010-06-30 | 西安海天天线科技股份有限公司 | Broad band radiation unit for mobile communication base station antennae |
| CN201797035U (en) * | 2010-07-20 | 2011-04-13 | 江苏捷士通科技股份有限公司 | Dual-polarized base station antenna die-casting radiation unit |
-
2010
- 2010-07-20 CN CN2010102314058A patent/CN101916903A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2560107Y (en) * | 2002-08-02 | 2003-07-09 | 西安海天天线科技股份有限公司 | Double-polarization shaped wave beam base station antenna |
| CN2881992Y (en) * | 2006-03-24 | 2007-03-21 | 南京理工大学 | Antenna of 3G dipole mobile communication base station |
| CN201285797Y (en) * | 2008-10-29 | 2009-08-05 | 中国移动通信集团公司 | Antenna radiation unit |
| CN201518350U (en) * | 2009-09-30 | 2010-06-30 | 西安海天天线科技股份有限公司 | Broad band radiation unit for mobile communication base station antennae |
| CN201797035U (en) * | 2010-07-20 | 2011-04-13 | 江苏捷士通科技股份有限公司 | Dual-polarized base station antenna die-casting radiation unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760936A (en) * | 2012-07-20 | 2012-10-31 | 江苏华灿电讯股份有限公司 | Plus/minus 45-degree dual-polarized base station antenna |
| CN104167599A (en) * | 2014-09-01 | 2014-11-26 | 镇江中安通信科技有限公司 | Low-frequency planar antenna with wavy side edges |
| CN104167598A (en) * | 2014-09-01 | 2014-11-26 | 镇江中安通信科技有限公司 | High frequency planar antenna with sawtooth-shaped side edges |
| CN110323551A (en) * | 2018-03-30 | 2019-10-11 | 罗森伯格技术（昆山）有限公司 | A kind of patch radiating element |
| CN113782969A (en) * | 2021-08-06 | 2021-12-10 | 佛山市粤海信通讯有限公司 | Four-channel antenna |
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Application publication date: 20101215 |