CN203596409U - Dual-polarized broadband radiating element for TD-LTE intelligent antenna - Google Patents
Dual-polarized broadband radiating element for TD-LTE intelligent antenna Download PDFInfo
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- CN203596409U CN203596409U CN201320492096.9U CN201320492096U CN203596409U CN 203596409 U CN203596409 U CN 203596409U CN 201320492096 U CN201320492096 U CN 201320492096U CN 203596409 U CN203596409 U CN 203596409U
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Abstract
The utility model discloses a dual-polarized broadband radiating element for a TD-LTE intelligent antenna, and the radiating element comprises a radiation oscillator which is formed by the crossing and orthogonal arrangement of two polarized dipoles. The radiating element also comprises a leading sheet, a leading sheet support, and reflection plate. The radiation oscillator is fixed on the reflection plate. The leading sheet is fixed on the leading sheet support which is fixed on the arm of the radiation oscillator. The radiating element provided by the utility model is good in standing wave, is wide in working frequency, is high in gain, is convenient for production, is simple in installation, is good in consistency, and meets the requirements of high performance of the TD-LTE intelligent antenna better.
Description
Technical field
The utility model relates to communication technical field, particularly relates to a kind of for TD-LTE smart antenna dual-polarized broadband radiation unit.
Background technology
In mobile communication technology, the transmission of signal be unable to do without antenna for base station with covering, and Bipolarization antenna for base station is the indispensable part of each communication base station, and its performance directly affects the quality of communication.And the radiating element of an antenna most important part of fundamental sum of Bipolarization antenna for base station especially.
Along with the fast development of the 4G communication technology, also more urgent to the demand of TD-LTE smart antenna.Traditional crossed dipole gain is limited, cannot design high gain array antenna; And traditional crossed dipole standing wave bandwidth and directional diagram bandwidth narrower, cannot meet the wideband radiation requirement of TD-LTE.Traditional oscillator feeding classification generally adopts Type of Welding, and the loaded down with trivial details production efficiency of operation is low.
Summary of the invention
Utility model object: the purpose of this utility model is for the deficiencies in the prior art, provide a kind of standing wave good for TD-LTE smart antenna dual-polarized broadband radiation unit.
Technical scheme: the utility model provides a kind of for TD-LTE smart antenna dual-polarized broadband radiation unit, comprise the symmetrical radiating doublet that rearranged with the orthogonal form of cross by the symmetrical dipole of two polarization, guide sheet into, guide plate rack and reflecting plate into, wherein, described symmetrical radiating doublet is fixed on described reflecting plate, the described sheet of guiding into is guided on sheet bracing frame described in being fixed on, described in guide sheet bracing frame into and be fixed in the oscillator arms of described symmetrical radiating doublet.
The center of described symmetrical radiating doublet and the center of reflecting plate overlap and the oscillator arms of symmetrical radiating doublet and the side of described reflecting plate parallel.Radiating doublet structure centre overlaps with the center of reflecting plate, can guarantee the symmetrical of antenna horizontal radiation pattern wave beam.The symmetrical oscillator arms of radiating doublet and the side of described reflecting plate are parallel, guarantee that aerial radiation polarised direction is ± 45 ° of polarization.
Described symmetrical dipole has two oscillator arms, and for the ease of broadening radiating element bandwidth of operation, two oscillator arms are square, and two oscillator arms are to corner structure.
Also wrap the insulator of feed tab and fixing feed tab, in the middle of the Ba Lun of one end of described feed tab through half symmetrical dipole of a described symmetrical dipole, and fix by the insulator of described fixing feed tab, to guarantee the consistency of radiating element electric property; The other end of described feed tab is fixedly connected with the oscillator arms of another half symmetrical dipole.
Described oscillator arms center is provided with square hole.In the symmetrical radiating doublet impedance bandwidth of broadening, alleviate symmetrical radiating doublet weight like this.
For the ease of die sinking casting processing, the Ba Lun part of described symmetrical dipole is cylinder or square column, and the insulator of described fixing feed tab penetrates in cylinder.
The cylinder of the oriented downward-extension of oscillator arms end of described symmetrical radiating doublet, the direction that cylinder extends is vertical with oscillator arms, has improved like this cross polarization of standing wave and positive and negative 60 degree of antenna pattern of low-frequency range in the situation that not increasing oscillator length.
The upwards bending of the dual-side of described 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 described sheet of guiding into is for circular, guides like this sheet into and can play the effect of the impedance of broadening radiating element and directional diagram bandwidth.
Described guide the bracing frame that sheet bracing frame is nonmetallic materials into, sheet and the symmetrical radiating doublet of guiding into fixed by snap, adopts buckle structure be more convenient to produce and install.
Operation principle: described in this patent, symmetrical radiating doublet adopts two half-wave doublet cross orthogonal arrangement, realize ± 45 ° of polarized radiations, the oscillator arms design of two half-wave dipoles becomes square frame type, impedance bandwidth that can broadening oscillator, and alleviate the weight of oscillator, in order to realize wideband bandwidth of operation, guide sheet in the increase of oscillator radiation direction, in the time that there is electric current on oscillator surface, by coupling, make to guide into and on sheet, produce induced current and produce radiation, play broadening oscillator unit standing wave bandwidth and improve the effect of radiation gain.The cylinder of the oriented downward life of oscillator arms end has increased effective cascade unit of oscillator under the condition that does not increase oscillator size, and can improve antenna pattern ± 60 ° cross polarization ratio.
Beneficial effect: the utility model compared with prior art, has the following advantages: it is good 1, to the utlity model has standing wave, and operating frequency is wide, gain high, convenient for production, install simple, the advantages such as high conformity, better meet the high performance requirements of TD-LTE smart antenna; 2, the utility model radiating element is made up of two orthogonal half-wave doublets, each half-wave doublet be square, be equivalent to oscillator arms and broaden, broadening the standing wave bandwidth of radiating element; 3, radiating element oscillator arms end described in the utility model has increased extension cylinder downward vertically, has improved standing wave and the antenna ± 60 degree cross polarization ratio of low-frequency range; 4, the utility model entirety connects with buckle structure, has removed welding sequence from, has improved production efficiency; 5, the utility model radiating element has not only improved the electricity function index of antenna, and has greatly improved the efficiency of production and assembly.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the symmetrical radiating doublet schematic diagram of the utility model;
Fig. 3 is the utility model feed tab schematic diagram;
Fig. 4 is that the utility model is guided sheet schematic diagram into;
Fig. 5 is that the utility model is guided sheet bracing frame schematic diagram into.
Embodiment
Below in conjunction with accompanying drawing, by a most preferred embodiment, technical solutions of the utility model are elaborated, but protection range of the present utility model is not limited to described embodiment.
As shown in Figure 1, a kind of for TD-LTE smart antenna dual-polarized broadband radiation unit, comprise reflecting plate 1, symmetrical radiating doublet 2, guide sheet 3 into, guide the insulator of sheet bracing frame 4, feed tab 5 and fixing feed tab into.
As shown in Figure 2, symmetrical radiating doublet 2 is two half-wave doublet cross orthogonal arrangement, and the structure centre of described symmetrical radiating doublet 2 is parallel with the side of reflecting plate 1 with the center coincidence of reflecting plate 1 and the oscillator arms of symmetrical radiating doublet 2; Wherein, symmetrical radiating doublet 2 becomes an entirety by die-casting process, adopts die sinking casting processing, and its material can be kirsite or aluminium alloy, is convenient to casting processing and installs and produce.
The Ba Lun part of symmetrical radiating doublet 2 is cylinder or square column, and the insulator of fixing feed tab penetrates in cylinder; As shown in Figure 3, feed tab 5 is right-angle structure, in the middle of the Ba Lun of one end of feed tab 5 through an arm of described symmetrical radiating doublet 2, and fixes by the insulator of fixing feed tab; The other end of feed tab 5 leaves circular hole, can be connected by screw or tightening of rivet with another arm of symmetrical radiating doublet 2; Wherein, it be can soldering metal that feed tab 5 adopts stamping die processing, its material, guarantees that feed tab has enough intensity, when mounted can bending; Insulator adopts mold injection processing, and its material is polytetrafluoroethylene, and square hole is left in centre, is convenient to feed tab and passes.The oscillator arms end of symmetrical radiating doublet 2 extends downward vertically, has improved the cross polarization of standing wave and positive and negative 60 degree of antenna pattern of low-frequency range in the situation that not increasing oscillator length;
As shown in Figure 4, guide sheet 3 into for circular, adopt aluminium sheet punch process to form, utilization is guided sheet bracing frame into and is fixed on symmetrical radiating doublet, as shown in Figure 5, guide sheet bracing frame 4 into for nonmetallic materials injection molding, wherein bracing frame 4 is buckled between the both sides that four oscillator arms of symmetrical radiating doublet 2 are adjacent, is provided with the bayonet socket corresponding with bracing frame 4 guiding on sheet 3.In the time that there is electric current on symmetrical radiating doublet surface, will on sheet, produce induced current and produce radiation guiding into by coupling, guide distance between sheet and oscillator radiating surface into and be less than the quarter-wave of centre frequency, the size and the height of guiding sheet and oscillator radiating surface into of guiding sheet by suitable adjustment into, just can obtain good directional diagram and impedance index.
Reflecting plate 1 adopts Sheet Metal Forming Technology to be made, and its material is aluminium, and both sides are bending upwards, has guaranteed the electric property of radiating element and the mechanical strength of base plate.
As mentioned above, although represented and explained the utility model with reference to specific preferred embodiment, but it shall not be construed as the restriction to the utility model self, not departing under the spirit and scope prerequisite of the present utility model of claims definition, can make in the form and details various variations to it.
Claims (10)
1. one kind for TD-LTE smart antenna dual-polarized broadband radiation unit, it is characterized in that: comprise the symmetrical radiating doublet that rearranged with the orthogonal form of cross by the symmetrical dipole of two polarization, guide sheet into, guide plate rack and reflecting plate into, wherein, described symmetrical radiating doublet is fixed on described reflecting plate, the described sheet of guiding into is guided on sheet bracing frame described in being fixed on, described in guide sheet bracing frame into and be fixed in the oscillator arms of described symmetrical radiating doublet.
2. according to claim 1 for TD-LTE smart antenna dual-polarized broadband radiation unit, it is characterized in that: the center of described symmetrical radiating doublet and the center of reflecting plate overlap and the oscillator arms of symmetrical radiating doublet and the side of described reflecting plate parallel.
3. according to claim 1 for TD-LTE smart antenna dual-polarized broadband radiation unit, it is characterized in that: described symmetrical dipole has two oscillator arms, two oscillator arms are square, two oscillator arms are to corner structure.
4. according to claim 3 for TD-LTE smart antenna dual-polarized broadband radiation unit, it is characterized in that: the insulator that also wraps feed tab and fixing feed tab, in the middle of the Ba Lun of one end of described feed tab through half symmetrical dipole of a described symmetrical dipole, and fix by the insulator of described fixing feed tab, the other end of described feed tab is fixedly connected with the oscillator arms of other half symmetrical dipole.
5. according to claim 3 for TD-LTE smart antenna dual-polarized broadband radiation unit, it is characterized in that: described oscillator arms center is provided with square hole.
6. according to claim 4 for TD-LTE smart antenna dual-polarized broadband radiation unit, it is characterized in that: the Ba Lun part of described symmetrical dipole is cylinder or square column, and the insulator of described fixing feed tab penetrates in cylinder.
7. according to claim 1 for TD-LTE smart antenna dual-polarized broadband radiation unit, it is characterized in that: the cylinder of the oriented downward-extension of oscillator arms end of described symmetrical radiating doublet, the direction that cylinder extends is vertical with oscillator arms.
8. according to claim 1 for TD-LTE smart antenna dual-polarized broadband radiation unit, it is characterized in that: the upwards bending of the dual-side of described reflecting plate.
9. according to claim 1 for TD-LTE smart antenna dual-polarized broadband radiation unit, it is characterized in that: described in guide sheet into for circular.
10. according to claim 1 for TD-LTE smart antenna dual-polarized broadband radiation unit, it is characterized in that: the described bracing frame that sheet bracing frame is nonmetallic materials, sheet and the symmetrical radiating doublet of guiding into fixed by snap of guiding into.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492096.9U CN203596409U (en) | 2013-08-13 | 2013-08-13 | Dual-polarized broadband radiating element for TD-LTE intelligent antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492096.9U CN203596409U (en) | 2013-08-13 | 2013-08-13 | Dual-polarized broadband radiating element for TD-LTE intelligent antenna |
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| CN203596409U true CN203596409U (en) | 2014-05-14 |
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| CN201320492096.9U Expired - Lifetime CN203596409U (en) | 2013-08-13 | 2013-08-13 | Dual-polarized broadband radiating element for TD-LTE intelligent antenna |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401062A (en) * | 2013-08-13 | 2013-11-20 | 南京澳博阳射频技术有限公司 | Dual-polarized broadband radiating element used on TD-LTE intelligent antenna |
| CN104393423A (en) * | 2014-11-20 | 2015-03-04 | 武汉虹信通信技术有限责任公司 | LTE (Long Term Evolution) frequency band multi-antenna-array gain compensation method |
| CN106450696A (en) * | 2016-10-20 | 2017-02-22 | 深圳国人通信股份有限公司 | Novel aerial radiation unit |
| CN107658555A (en) * | 2017-08-29 | 2018-02-02 | 湖南湖大华龙电气与信息技术有限公司 | Stepped construction yagi aerial for UWB ultra-wideband communications |
| CN108306099A (en) * | 2017-01-11 | 2018-07-20 | 上海大唐移动通信设备有限公司 | A kind of antenna structure and the shaping method applied to the antenna structure |
| CN108461905A (en) * | 2018-03-16 | 2018-08-28 | 成都锦江电子***工程有限公司 | Open sleeve element antenna |
| CN108511882A (en) * | 2018-02-10 | 2018-09-07 | 广东司南通信科技有限公司 | A kind of oscillator and antenna convenient for automated production |
| CN109103577A (en) * | 2018-08-16 | 2018-12-28 | 昆山恩电开通信设备有限公司 | A kind of Wideband half-wave radiation unit and antenna |
| CN110752432A (en) * | 2018-07-23 | 2020-02-04 | 京信通信技术(广州)有限公司 | Half-coupling feed low-frequency radiating element and multi-system co-body antenna |
| CN111048897A (en) * | 2019-12-27 | 2020-04-21 | 东莞市振亮精密科技有限公司 | Dual-polarized broadband oscillator |
-
2013
- 2013-08-13 CN CN201320492096.9U patent/CN203596409U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401062A (en) * | 2013-08-13 | 2013-11-20 | 南京澳博阳射频技术有限公司 | Dual-polarized broadband radiating element used on TD-LTE intelligent antenna |
| CN104393423A (en) * | 2014-11-20 | 2015-03-04 | 武汉虹信通信技术有限责任公司 | LTE (Long Term Evolution) frequency band multi-antenna-array gain compensation method |
| CN106450696A (en) * | 2016-10-20 | 2017-02-22 | 深圳国人通信股份有限公司 | Novel aerial radiation unit |
| CN108306099A (en) * | 2017-01-11 | 2018-07-20 | 上海大唐移动通信设备有限公司 | A kind of antenna structure and the shaping method applied to the antenna structure |
| CN107658555A (en) * | 2017-08-29 | 2018-02-02 | 湖南湖大华龙电气与信息技术有限公司 | Stepped construction yagi aerial for UWB ultra-wideband communications |
| CN108511882A (en) * | 2018-02-10 | 2018-09-07 | 广东司南通信科技有限公司 | A kind of oscillator and antenna convenient for automated production |
| CN108511882B (en) * | 2018-02-10 | 2024-02-09 | 广州司南技术有限公司 | Vibrator and antenna convenient for automatic production |
| CN108461905A (en) * | 2018-03-16 | 2018-08-28 | 成都锦江电子***工程有限公司 | Open sleeve element antenna |
| CN110752432A (en) * | 2018-07-23 | 2020-02-04 | 京信通信技术(广州)有限公司 | Half-coupling feed low-frequency radiating element and multi-system co-body antenna |
| CN110752432B (en) * | 2018-07-23 | 2021-06-22 | 京信通信技术(广州)有限公司 | Half-coupling feed low-frequency radiating element and multi-system co-body antenna |
| CN109103577A (en) * | 2018-08-16 | 2018-12-28 | 昆山恩电开通信设备有限公司 | A kind of Wideband half-wave radiation unit and antenna |
| CN109103577B (en) * | 2018-08-16 | 2023-08-22 | 昆山恩电开通信设备有限公司 | Broadband half-wave radiation unit and antenna |
| CN111048897A (en) * | 2019-12-27 | 2020-04-21 | 东莞市振亮精密科技有限公司 | Dual-polarized broadband oscillator |
| CN111048897B (en) * | 2019-12-27 | 2020-12-08 | 东莞市振亮精密科技有限公司 | Dual-polarized broadband oscillator |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |