CN101038985A - Low windage resistance directional intelligent antenna - Google Patents
Low windage resistance directional intelligent antenna Download PDFInfo
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- CN101038985A CN101038985A CNA2007100276168A CN200710027616A CN101038985A CN 101038985 A CN101038985 A CN 101038985A CN A2007100276168 A CNA2007100276168 A CN A2007100276168A CN 200710027616 A CN200710027616 A CN 200710027616A CN 101038985 A CN101038985 A CN 101038985A
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- subarray
- intelligent antenna
- base plate
- low windage
- directional intelligent
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Abstract
The invention discloses a low wind resistance orientation intelligent antenna, which includes calibration network, isolation bars, at least two subarray; each subarray includes packaging suite and at least a radiation unit row within it; each radiation unit row includes at least two radiation units longitudinal arranged in same interval and power division network for parallel feeding the radiation unit; each power division network is electrically connected to the calibration network; isolation bars are disposed at the both sides of each radiation unit; each subarray is aligned in sequence along same direction, and aeration gaps are disposed between the subarray. The invention mainly has following advantages: the frontal gland resistance of the whole antenna can be reduced by employing the gaps between the subarrays on the premise of sufficing each performance index of the antenna, and the safety of the intelligent antenna can be improved.
Description
Technical field
The present invention relates to a kind of low windage resistance directional intelligent antenna, especially relate to the low wind resistance design of the base station directional intelligent antenna array of TD-SCDMA system.
Background technology
TD-SCDMA has broad application prospects as one of 3G (Third Generation) Moblie (3G) system.Smart antenna has become the research focus of antenna industry as one of key technology of TD-SCDMA system.In the TD-SCDMA system,, can improve systematic function by using smart antenna.In brief, smart antenna can increase coverage distance, reduces the cost of initial stage capital construction, improves link performance, increases power system capacity.
At present, the implementation method of smart antenna is that the horizontal direction at array designs the plurality of sub array side by side, each subarray is made up of 2 radiating elements at least in vertical direction, by each subarray being carried out the weighting of width of cloth phase, can form specific directional diagram in the horizontal direction to satisfy the application requirements of system.Obtain satisfying the array pattern of system requirements, bay (radiating element) should be roughly 1/2 operation wavelength in the spacing of horizontal plane, needs 4～8 array elements at horizontal plane simultaneously.At the TD-SCDMA working frequency range, the corresponding free space wavelength of centre frequency (1952.5MHz) is about 150 millimeters.The intelligent antenna array overall dimensions is roughly between 30 * 90cm2 to 60 * 120cm2.Because the size of array bore is bigger, compares other antenna for base station, existing TD-SCDMA directional intelligent antenna array front face area is bigger, adds that weight own is also heavier.Installing component requirement of strength to antenna is very high.Under inclement weather conditions such as high wind, bigger front face area and weight make conventional directional intelligent antenna battle array have certain potential safety hazard.
In the relevant patent of existing domestic smart antenna, the CN02227818.4 patent disclosure " dull and stereotyped directional intelligent antenna battle array ", it has described the realization situation of directional intelligent antenna, but the described aerial array of this patent does not have low windage feature.
Carry big shortcoming though existing directional intelligent antenna has tangible wind, because smart antenna must use a plurality of subarrays to satisfy the application requirements of system, therefore, smart antenna must have bigger physical size.But because smart antenna does not also obtain large-scale application at present, the drawback that its windage characteristic is big wouldn't be given prominence to, so directional intelligent antenna adopts plate-like structure with the simplified design difficulty more at present.
Summary of the invention
Big at present directional intelligent antenna front face area, the actual conditions that have certain potential safety hazard under the high wind weather condition an object of the present invention is to provide the low windage resistance directional intelligent antenna of a kind of TD-SCDMA of being used for system under the prerequisite that satisfies the every performance of antenna.
For solving technical problem of the present invention, the present invention discloses a kind of low windage resistance directional intelligent antenna, comprising:
Calibration network, isolating bar and at least two subarrays;
Each subarray comprises the encapsulation external member and is arranged at least one interior radiation unit row of encapsulation external member;
Each radiation unit row includes equidistant at least two radiating elements vertically arranging and described radiating element is carried out the power division network of parallelly feeding;
Each power division network all electrically connects with described calibration network;
Each radiation unit row both sides is provided with described isolating bar;
Each subarray is arranged in order along same direction, and is provided with ventilation gap between adjacent.
This smart antenna also comprises connector, and each subarray is fixed on the described connector and realizes stationary arrangement.
Described connector comprises at least two basic bars, for fixing with 2 at least between each subarray and connector.
The encapsulation external member of each subarray can be one-body molded, and default described ventilation gap gets final product between adjacent two encapsulation external members.
An embodiment more excellent according to the present invention discloses, and described encapsulation external member comprises that base plate, lid are located at the radome on the base plate, and described each isolating bar is fixed on the base plate.Described base plate bottom is provided with the chute of one lengthwise, and described radome cross section roughly is the U type, also is provided with and the interlock fastener of the one lengthwise held of described base plate chute at its two crimping.In addition, described encapsulation external member also comprises waterproof cover, and this waterproof cover and base plate fix and hide the both ends of the surface of described radome longitudinally.
Preferably, the ventilation gap width unanimity between described each subarray.The outside of the subarray in these smart antenna two outsides also is provided with the border bonding jumper of one lengthwise, and the parallel distance between itself and the adjacent subarray is less than 1/4 operation wavelength.
In addition, this smart antenna also comprises shielding box, is arranged at the base plate rear side of smart antenna, the described calibration network of installing in it.
Compared with prior art, the present invention has following advantage:
(1) under the prerequisite that satisfies the every performance index of antenna, reduced the frontal resistance of whole array antenna effectively by the slit between subarray, improved its security performance.
(2) adopt subarray radome, cooperate the slit between subarray, can further reduce the frontal resistance of whole intelligent antenna array, simultaneously the outward appearance of embellished antenna with curved profile.
(3) matching design of radome and base plate has been simplified whole array assembly process, is more suitable in production in enormous quantities.
Description of drawings
Fig. 1 is a first embodiment of the present invention perspective view, and wherein the near-end waterproof cover is not installed, and radome is partly removed;
Fig. 2 is a first embodiment of the present invention rearview;
Fig. 3 is the subarray sectional view of first embodiment of the invention;
Fig. 4 is the cross-sectional structure schematic diagram of antenna shown in Figure 1;
Fig. 5 is the perspective view of second embodiment of the invention, and wherein waterproof cover is not installed.
Embodiment
Fig. 1 to Fig. 4 has disclosed the concrete structure of first embodiment of low windage resistance directional intelligent antenna of the present invention.
As shown in Figure 1, low windage resistance directional intelligent antenna is mainly used in the TD-SCDMA system, structurally show as an integrated antenna array that rearranges along same horizontal direction parallel by 6 subarrays 1,1 of each subarray is made up of encapsulation external member and a radiation unit row 2, and 2 of each radiation unit row are equidistantly rearranged along longitudinally by the radiating element more than at least 2 21.According to known Principle of Antenna, each radiation unit row 2 all should comprise a power division network, is used for each radiating element 21 of same radiation unit row 2 is carried out parallelly feeding.In order to realize the function of smart antenna, also need set up the calibration network (not shown) of the spoke phase error that is used to adjust between each power division network, calibration network is accepted the signal input of each power division network, carries out the error adjustment, thereby makes the more excellent directional diagram of smart antenna output performance.
In addition, should be provided with metal isolating bar 64 usually between the adjacent two row subarrays 1 to strengthen the electrical effect of smart antenna.
Please in conjunction with Fig. 1 and Fig. 2,6 subarrays 1 can be realized relative fixed by connector.This connector comprises two basic bars 31 up and down, 32, two basic bars 31,32 place the two ends of the lengthwise of whole intelligent antenna array respectively, like this, and for each subarray 1, by with two basic bars 31,32 fix, and have obtained two strong points at least on connector, and overall structure is just comparatively firm.The number of base bar can be decided because of need, and consolidating the connection of each subarray 1, and don't the effect that influences ventilation gap 4 is as the criterion.
In order to reduce the frontal resistance of whole intelligent antenna array, as shown in Figure 2, separate suitable distance between adjacent two subarrays 1, to form ventilation gap 4.In order to satisfy the various demands that smart antenna comprises electric property and physical property, it is equal that the width of each ventilation gap 4 all keeps.So, the frontal resistance of smart antenna just significantly reduces, the coefficient of safety when the smart antenna work high above the ground is provided greatly.
As shown in Figure 2, smart antenna of the present invention also is provided with shielding box 5, this shielding box 5 is arranged on the rear side of each subarray 1, each subarray 1 of lateral direction penetrating is provided with, establish described calibration network in this shielding box 5, so, not only effectively shield external disturbance, can also reduce the entire length of whole smart antenna and the radio frequency cable length of smart antenna inside, help to reduce the substantial phase error between each cell columns.
See also 1 and Fig. 3, described encapsulation external member comprises base plate 61, radome 62 and waterproof cover 63.The dual-side of base plate 61 longitudinallies is provided with two flange perpendicular to base plate 61, forms metal isolating bar 64, can pass through the directional diagram of the Height Adjustment smart antenna of this isolating bar 64 of adjustment; Base plate 61 upper surfaces are provided with described radiation unit row 2 along its longitudinally, and and radiation unit row 2 between mutually form wiring groove 65, thereby be convenient to the installation work of power division network; Both sides, base plate 61 bottom surface then are provided with the chute 66 of two lengthwises, for cooperating installation with radome 62.The cross section of radome 62 roughly is the U type, and the camber line profile of its evagination part helps further reducing the frontal resistance of smart antenna.Two crimping ends at radome 62 also inwardly stretch out two fasteners 67, and profile matches with the chute 66 of base plate 61, plays latch, and thus, radome 62 can be realized firm the connection in the chute 66 by fastener 67 slip insertion base plates 61.In the both ends of the surface of radome 62, itself and base plate 61 just form a passage, because smart antenna generally stands upright on the mast, need to add described waterproof cover 63 on both ends of the surface, and this waterproof cover 63 fixes as screw lock with base plate 61 and gets final product.
Because radome 62 and power division network all adopt the spacing mode of location notch to install, and have greatly simplified assembly process, have improved the production efficiency of antenna, and this antenna is more suitable in batch process.
The encapsulation external member that radome 62, waterproof cover 63 and base plate 61 are combined to form is not limited to the structure of the foregoing description, should be considered as it for the suitable improvement of its structure and not break away from spirit of the present invention.In like manner, but between each subarray 1 by fixing in the mode that keeps relative position relation also appropriate change with connector, as, among the present invention, described base plate 61 can by same metallic plate (not shown) one-body molded dig establish described ventilation gap 4 after, add described radome 62, waterproof cover 63 etc. by suitable physical combination mode again, form described encapsulation external member, install above-mentioned other parts again additional, and then can form and do not break away from the smart antenna that the present invention reduces the purpose of frontal resistance.
Please in conjunction with Fig. 1 and Fig. 4, in order further to strengthen the performance of smart antenna, in the left and right sides in 6 subarrays 1, also set up border bonding jumper 71 and 72, as shown in Figure 4, this border bonding jumper 71 and 72 is a cavity body, and the parallel distance between border bonding jumper 71 and the adjacent subarray 11, between border bonding jumper 72 and the adjacent subarray 16 is advisable less than 1/4 operation wavelength.
In the design process of smart antenna, at first determine the size of 1 ventilation gap 4 of subarray, the height of the flange metal isolating bar 64 of the base plate 61 by optimizing the encapsulation external member repeatedly and radiating element 21 are apart from the height of base plate 61, can make each subarray 1 in the whole intelligent antenna array have higher radiation front and back specific characteristic, has rational antenna pattern characteristic simultaneously, to satisfy the demand of communication system.In addition, by optimizing the position and the size of the border bonding jumper 71,72 that is positioned at array edges repeatedly, can improve the asymmetry of edge subarray 11,16 antenna patterns and make its radiation front and back compare the application requirements that satisfies system equally.
See also Fig. 5 and Fig. 6, it is preferred second embodiment of the present invention, the difference of itself and first embodiment mainly is in same subarray 1 ', two row radiation unit row 2 can be set, accordingly, the width of the base plate 61 ', radome 62 ', waterproof cover (not shown) etc. of encapsulation external member will change thereupon, and for the intelligent antenna array of same size, the frontal resistance when realizing with first embodiment is the frontal resistance when realizing with second embodiment undoubtedly.
The mapping mode of second embodiment has illustrated that also subarray 1 of the present invention does not exceed so that row or two row radiation unit row 2 to be set, and it can be provided with according to flexible needs.
In sum, the present invention has overcome the deficiency of relevant smart antenna in the prior art by the improvement on the physical structure, the frontal resistance of the smart antenna of larger volume and weight is reduced greatly, and improved the work high above the ground coefficient of safety of smart antenna.
Claims (10)
1, a kind of low windage resistance directional intelligent antenna comprises:
Calibration network, isolating bar and at least two subarrays;
Each subarray comprises the encapsulation external member and is arranged at least one interior radiation unit row of encapsulation external member;
Each radiation unit row includes equidistant at least two radiating elements vertically arranging and described radiating element is carried out the power division network of parallelly feeding;
Each power division network all electrically connects with described calibration network;
Each radiation unit row both sides is provided with described isolating bar;
Each subarray and is provided with ventilation gap along same direction successively side by side between adjacent.
2, low windage resistance directional intelligent antenna according to claim 1 is characterized in that: this smart antenna also comprises connector, and each subarray is fixed on the described connector and realizes stationary arrangement.
3, low windage resistance directional intelligent antenna according to claim 2 is characterized in that: described connector comprises at least two basic bars, for fixing with 2 at least between each subarray and connector.
4, low windage resistance directional intelligent antenna according to claim 1 is characterized in that: the encapsulation external member of each subarray is one-body molded, default described ventilation gap between adjacent two encapsulation external members.
5, according to any described low windage resistance directional intelligent antenna in the claim 1 to 4, it is characterized in that: described encapsulation external member comprises that base plate, lid are located at the radome on the base plate, and described each isolating bar is fixed on the base plate.
6, low windage resistance directional intelligent antenna according to claim 5, it is characterized in that: described base plate bottom is provided with the chute of one lengthwise, described radome cross section roughly is the U type, also is provided with and the interlock fastener of the one lengthwise held of described base plate chute at its two crimping.
7, low windage resistance directional intelligent antenna according to claim 5 is characterized in that: described encapsulation external member also comprises waterproof cover, and this waterproof cover and base plate fix and hide the both ends of the surface of described radome longitudinally.
8, low windage resistance directional intelligent antenna according to claim 6 is characterized in that: the ventilation gap width unanimity between described each subarray.
9, low windage resistance directional intelligent antenna according to claim 8 is characterized in that: the outside of the subarray in these smart antenna two outsides also is provided with the border bonding jumper of one lengthwise, and the parallel distance between itself and the adjacent subarray is less than 1/4 operation wavelength.
10, low windage resistance directional intelligent antenna according to claim 9 is characterized in that: this smart antenna also comprises shielding box, is arranged at the base plate rear side of smart antenna, the described calibration network of installing in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100276168A CN101038985A (en) | 2007-04-19 | 2007-04-19 | Low windage resistance directional intelligent antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100276168A CN101038985A (en) | 2007-04-19 | 2007-04-19 | Low windage resistance directional intelligent antenna |
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| Publication Number | Publication Date |
|---|---|
| CN101038985A true CN101038985A (en) | 2007-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2007100276168A Pending CN101038985A (en) | 2007-04-19 | 2007-04-19 | Low windage resistance directional intelligent antenna |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102124660A (en) * | 2008-06-12 | 2011-07-13 | 美格兰科技私人有限公司 | Antenna design and interrogator system |
| CN103746755A (en) * | 2013-12-27 | 2014-04-23 | 摩比天线技术（深圳）有限公司 | Calibration network of TD intelligent antenna |
| CN104051848A (en) * | 2014-07-03 | 2014-09-17 | 广东健博通科技股份有限公司 | Intelligent vertical scanning antenna |
| CN107534222A (en) * | 2015-02-23 | 2018-01-02 | 昆特尔科技有限公司 | For reducing the apparatus and method of influence of the wind load to antenna for base station |
| CN107546485A (en) * | 2016-06-25 | 2018-01-05 | 浙江宁远塔桅制造有限公司 | A kind of antenna and the communication base station using the antenna |
| WO2021168846A1 (en) * | 2020-02-28 | 2021-09-02 | 华为技术有限公司 | Radome and detection device |
-
2007
- 2007-04-19 CN CNA2007100276168A patent/CN101038985A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102124660A (en) * | 2008-06-12 | 2011-07-13 | 美格兰科技私人有限公司 | Antenna design and interrogator system |
| US8810371B2 (en) | 2008-06-12 | 2014-08-19 | Vicinity Pty Ltd | Antenna design and interrogator system |
| CN103746755A (en) * | 2013-12-27 | 2014-04-23 | 摩比天线技术（深圳）有限公司 | Calibration network of TD intelligent antenna |
| CN103746755B (en) * | 2013-12-27 | 2016-08-17 | 摩比天线技术（深圳）有限公司 | The calibration network of TD smart antenna |
| CN104051848A (en) * | 2014-07-03 | 2014-09-17 | 广东健博通科技股份有限公司 | Intelligent vertical scanning antenna |
| CN107534222A (en) * | 2015-02-23 | 2018-01-02 | 昆特尔科技有限公司 | For reducing the apparatus and method of influence of the wind load to antenna for base station |
| CN107546485A (en) * | 2016-06-25 | 2018-01-05 | 浙江宁远塔桅制造有限公司 | A kind of antenna and the communication base station using the antenna |
| WO2021168846A1 (en) * | 2020-02-28 | 2021-09-02 | 华为技术有限公司 | Radome and detection device |
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Application publication date: 20070919 |