CN202474193U - Broadband dual polarization radiation unit - Google Patents
Broadband dual polarization radiation unit Download PDFInfo
- Publication number
- CN202474193U CN202474193U CN2011205430084U CN201120543008U CN202474193U CN 202474193 U CN202474193 U CN 202474193U CN 2011205430084 U CN2011205430084 U CN 2011205430084U CN 201120543008 U CN201120543008 U CN 201120543008U CN 202474193 U CN202474193 U CN 202474193U
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- feeder line
- radiation fin
- support bar
- dual polarized
- radiating element
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Abstract
The utility model discloses a broadband dual polarization radiation unit including a radiator and a balanced feed device. The radiator includes four radiating sheets and four support rods. The four radiating sheets are arranged on the same plane and are arranged in an array having two lines and two rows. The four radiating sheets are in a pairwise symmetric distribution, thereby forming two pairs of orthogonally polarized dipoles. Each of the radiating sheets include an outer ring frame and an inner ring frame on the same plane. The inner ring frame is embedded in the outer ring frame and connects with the outer ring frame. The four support rods connect with the four radiating sheets in one-to-one correspondence. Connection points on the radiating sheets are provided with corresponding corner cuts. The balanced feed device is arranged in the middle part of the radiator and used for feeding the two pairs of the dipoles. The broadband dual polarization radiation unit provided by the utility model has wide frequency band, stable broadband characteristics and a simple structure.
Description
Technical field
The utility model relates to the mobile communication antenna technical field, relates in particular to a kind of wideband dual polarized radiating element.
Background technology
Along with development of Communication Technique, mobile communication prepares to get into the 4th third generation mobile communication network (4G epoch).Under the next-generation mobile communications system, multiple communication standard requires the mobile communication antenna can shared by multiple systems, to save the site installation resource of base station, reduces network construction cost.A kind of frequency of the market demand is the antenna of 1710MHz-2690MHz; Bandwidth is 44.5%; And require in each item index, all to have stable broadband properties, compare for example impedance matching bandwidth, half-power beam width, gain, front and back, cross polarization is compared etc., therefore has bigger design difficulty.The development of wide frequency antenna unit is the basis of antenna for base station design.
The relative bandwidth that existing dual-polarized antenna vibrator provides generally all is lower than 44.5%; The bandwidth of the antenna array of forming thus also is restricted; Be difficult to meet the need of market, the disclosed antenna oscillator of Chinese patent CN200910036577.7 for example, its relative bandwidth has only 33%.
And minority can satisfy the antenna oscillator of bandwidth requirement, the disclosed dual polarization wideband of Chinese patent CN201110064485.7 radiating element for example, and its structure is more complicated again, is unfavorable for producing.
Summary of the invention
The utility model provides a kind of wideband dual polarized radiating element, and bandwidth has stable broadband character, and simple in structure.
The utility model embodiment provides a kind of wideband dual polarized radiating element, comprises radiant body and balance feeder equipment; Said radiant body comprises four radiation fins and four support bars that structure is identical that structure is identical;
Four radiation fins are positioned on the same plane, are arranged in the array of two row, two row, are in twos to be symmetrically distributed, and constitute the dipole of two pair of orthogonal polarization; Said radiation fin comprises and is positioned at conplane outer shroud frame and inner ring frame that said inner ring frame is nested in the inside of said outer shroud frame, and is connected with said outer shroud frame;
Four support bars connect one to one with four radiation fins respectively, and support bar is positioned at the below of said radiation fin, and perpendicular to the radiation fin plane; The corners near array center of each radiation fin offers corner cut, and the support bar corresponding with it connects at said corner cut place;
Said balanced feeding device comprises first fed element and second fed element; Two fed element are arranged on said radiant body middle part, are used for two electrode couple are carried out feed.
One preferred embodiment in, the cross section of said support bar is an isosceles trapezoid, is complementary with the corner cut shape of said radiation fin; The outer shroud frame of said radiation fin is Q-RING frame or circular rings frame; The inner ring frame of said radiation fin is Q-RING frame or circular rings frame.
Further, said wideband dual polarized radiating element also comprises reflecting plate; Said radiant body is fixed on the reflecting plate.
The wideband dual polarized radiating element that the utility model embodiment provides, its radiant body comprise four radiation fins and four support bars, and four radiation fins are symmetry and omnidirectional distribution in twos, form the half-wave dipole of two pair of orthogonal polarization; Each radiation fin is the ring frame of remaining silent, the nested inside one little ring frame of remaining silent, and outer shroud frame and inner ring frame are designed to one on physical structure.Each radiation fin is connected with support bar, and radiation fin is done corresponding corner cut at tie point.The horizontal beam width that the utility model has overcome antenna oscillator in the existing broadband dual polarized antenna technology changes greatly with the difference of frequency, and the gain of antenna oscillator is relatively low, and assembling bothers; The defective of consistency difference; A kind of wideband dual polarized radiating element of integrated design is provided, and it is simple in structure, and is easy for installation; High conformity is easy to produce; Because radiation fin inside introduced the less resonant ring of size, improved high frequency characteristics, with big ring acting in conjunction, broadening bandwidth, relative bandwidth surpasses 45%, and the standing-wave ratio index is good; In addition, because wideband dual polarized radiating element simple in structure, so stability of characteristics, have also that the fluctuation of horizontal plane beamwidth is little, the advantage of high-gain.
Description of drawings
Fig. 1 is the structural representation of the wideband dual polarized radiating element that provides of the utility model embodiment one;
Fig. 2 is the structural representation of the wideband dual polarized radiating element that provides of the utility model embodiment two;
Fig. 3 is the vertical view of the wideband dual polarized radiating element that provides of the utility model embodiment three;
Fig. 4 is the radiation fin that provides of the utility model embodiment four and the johning knot composition of support bar;
Fig. 5 is the structural representation of the fed element that provides of the utility model embodiment five;
Fig. 6 is the fed element that provides of the utility model embodiment six and the johning knot composition of dipole.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment will be carried out clear, intactly description.
Referring to Fig. 1, be the structural representation of the wideband dual polarized radiating element that provides of the utility model embodiment one.
The wideband dual polarized radiating element that present embodiment provides comprises radiant body 1 and balance feeder equipment 2; Radiant body 1 comprises four radiation fins and four support bars that structure is identical that structure is identical.As shown in Figure 1, four radiation fins are respectively first radiation fin 11, second radiation fin 12, the 3rd radiation fin 13 and the 4th radiation fin 14; Four support bars are respectively first support bar 21, second support bar 22, the 3rd support bar 23 and the 4th support bar 24.
Referring to Fig. 2, be the structural representation of the wideband dual polarized radiating element that provides of the utility model embodiment two.
The wideband dual polarized radiating element that embodiment two provides comprises radiant body 1, balanced feeding device 2 and reflecting plate 3.Wherein, the structure of radiant body 1 and balance feeder equipment 2 is identical with the foregoing description one, and radiant body 1 is fixed on the reflecting plate 3.
Referring to Fig. 3, be the vertical view of the wideband dual polarized radiating element that provides of the utility model embodiment three.
Four radiation fins are positioned on the same plane, are arranged in the array of two row, two row, are in twos to be symmetrically distributed, and constitute the dipole of two pair of orthogonal polarization.As shown in Figure 3, first radiation fin 11, second radiation fin 12, the 3rd radiation fin 13 and the 4th radiation fin 14 are arranged in the array of two row, two row, are in twos to be symmetrically distributed.Wherein, first radiation fin 11 and the 3rd radiation fin 13 constitute first electrode couple, and second radiation fin 12 and the 4th radiation fin 14 constitute second electrode couple, the sub-omnidirectional distribution of two electrode couples.
The structure of four radiation fins is identical, and present embodiment is that example describes with first radiation fin 11 only.As shown in Figure 3, first radiation fin 11 comprises and is positioned at conplane outer shroud frame 101 and inner ring frame 102 that inner ring frame 102 is nested in the inside of outer shroud frame 101, and is connected with this outer shroud frame 102.During practical implementation, outer shroud frame 101 can adopt the ring frame of Q-RING frame, circular rings frame or other shapes; Inner ring frame 102 can adopt the ring frame of Q-RING frame, circular rings frame or other shapes.Preferably, the outer shroud frame 101 of present embodiment is the Q-RING frame with inner ring frame 102.In embodiments of the present invention,, improved high frequency characteristics because radiation fin inside introduced the less resonant ring of size, with big ring acting in conjunction, broadening bandwidth, relative bandwidth surpasses 45%, and the standing-wave ratio index is good.
As shown in Figure 1, four support bars connect one to one with four radiation fins respectively, and support bar is positioned at the below of radiation fin, and perpendicular to the radiation fin plane.Promptly first support bar 21 is connected with first radiation fin 11, and second support bar 22 is connected with second radiation fin 12, and the 3rd support bar 23 is connected with the 3rd radiation fin 13, and the 4th support bar 24 is connected with the 4th radiation fin 14.
The corners near array center of each radiation fin offers corner cut, and the support bar corresponding with it connects at said corner cut place.For example, first radiation fin 11 as shown in Figure 1 offers corner cut 110 in its corners near array center; This corner cut 110 is tie points of first radiation fin 11 and first support bar 21.
Preferably, each radiation fin and corresponding support bar thereof are integrated metal sheets, and the cross section of support bar is isosceles trapezoid, are complementary with the corner cut shape of said radiation fin.Referring to Fig. 4, be the radiation fin of wideband dual polarized radiating element and the johning knot composition of support bar.
As shown in Figure 3, balanced feeding device 2 specifically comprises first fed element 201 and second fed element 202; Two fed element are arranged on the radiant body middle part, are used for two electrode couple are carried out feed.During practical implementation, balanced feeding device 2 is fixed on radiant body 1 middle part through plastic sheet.
Referring to Fig. 5, be the structural representation of the fed element that provides of the utility model embodiment five.
First fed element 201 is identical with the structure of second fed element 202, and present embodiment is that example describes with first fed element 201 only.As shown in Figure 5, first fed element 201 comprises feeder line T1, feeder line T3 and feeder line T5.Feeder line T5 is horizontally disposed with, and feeder line T1 is provided with feeder line T3 is vertical; The upper end of the upper end of feeder line T1 and feeder line T3 is connected with two terminations of feeder line T5 respectively; And the length of feeder line T1 is greater than the length of feeder line T3.
Referring to Fig. 6, the johning knot composition of fed element that the utility model embodiment six provides and dipole.First fed element 201 is arranged between first support bar 21 and the 3rd support bar 23, is used for first electrode couple is carried out feed.The feeder line T1 of first fed element 201 vertically is provided with, and its bottom is fixed on the reflecting plate; Feeder line T3 vertically is provided with; And the length of feeder line T1 is greater than the length of feeder line T3.Feeder line T5 is horizontally disposed with, and the termination of feeder line T5 is connected with the upper end of feeder line T1, and another termination of feeder line T5 is connected with the upper end of feeder line T3; Feeder line T3 and feeder line T5 constitute L type probe.
In like manner, second fed element 202 is arranged between second support bar 22 and the 4th support bar 24, is used for second electrode couple is carried out feed.Second fed element 202 comprises feeder line T2, feeder line T4 and feeder line T6; Feeder line T2 vertically is provided with, and its bottom is fixed on the said reflecting plate; Feeder line T4 vertically is provided with; And the length of feeder line T2 is greater than the length of feeder line T4; Feeder line T6 is horizontally disposed with, and the termination of feeder line T6 is connected with the upper end of feeder line T2, and another termination of feeder line T6 is connected with the upper end of feeder line T4; Feeder line T4 and feeder line T6 constitute L type probe.
The top of the top of first fed element 201 and second fed element 202 is fixed through working of plastics, is arranged at radiant body 1 middle part.
The wideband dual polarized radiating element that the utility model embodiment provides, its radiant body comprise four radiation fins and four support bars, and four radiation fins are symmetry and omnidirectional distribution in twos, form the half-wave dipole of two pair of orthogonal polarization; Each radiation fin is the ring frame of remaining silent, the nested inside one little ring frame of remaining silent, and outer shroud frame and inner ring frame are designed to one on physical structure.Each radiation fin is connected with support bar, and radiation fin is done corresponding corner cut at tie point.The horizontal beam width that the utility model has overcome antenna oscillator in the existing broadband dual polarized antenna technology changes greatly with the difference of frequency, and the gain of antenna oscillator is relatively low, and assembling bothers; The defective of consistency difference; A kind of wideband dual polarized radiating element of integrated design is provided, and it is simple in structure, and is easy for installation; High conformity is easy to produce; Because radiation fin inside introduced the less resonant ring of size, improved high frequency characteristics, with big ring acting in conjunction, broadening bandwidth, relative bandwidth surpasses 45%, and the standing-wave ratio index is good; In addition, because wideband dual polarized radiating element simple in structure, so stability of characteristics, have also that the fluctuation of horizontal plane beamwidth is little, the advantage of high-gain.
The above is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also are regarded as the protection range of the utility model.
Claims (10)
1. a wideband dual polarized radiating element is characterized in that, comprises radiant body and balance feeder equipment; Said radiant body comprises four radiation fins and four support bars that structure is identical that structure is identical;
Four radiation fins are positioned on the same plane, are arranged in the array of two row, two row, are in twos to be symmetrically distributed, and constitute the dipole of two pair of orthogonal polarization; Said radiation fin comprises and is positioned at conplane outer shroud frame and inner ring frame that said inner ring frame is nested in the inside of said outer shroud frame, and is connected with said outer shroud frame;
Four support bars connect one to one with four radiation fins respectively, and support bar is positioned at the below of said radiation fin, and perpendicular to the radiation fin plane; The corners near array center of each radiation fin offers corner cut, and the support bar corresponding with it connects at said corner cut place;
Said balanced feeding device comprises first fed element and second fed element; Two fed element are arranged on said radiant body middle part, are used for two electrode couple are carried out feed.
2. wideband dual polarized radiating element as claimed in claim 1 is characterized in that, said wideband dual polarized radiating element also comprises reflecting plate; Said radiant body is fixed on the reflecting plate.
3. wideband dual polarized radiating element as claimed in claim 2 is characterized in that, the cross section of said support bar is an isosceles trapezoid, is complementary with the corner cut shape of said radiation fin.
4. wideband dual polarized radiating element as claimed in claim 3 is characterized in that, four radiation fins are respectively first radiation fin, second radiation fin, the 3rd radiation fin and the 4th radiation fin; Four support bars are respectively first support bar, second support bar, the 3rd support bar and the 4th support bar;
First support bar is connected with first radiation fin, and second support bar is connected with second radiation fin, and the 3rd support bar is connected with the 3rd radiation fin, and the 4th support bar is connected with the 4th radiation fin;
First radiation fin and the 3rd radiation fin constitute first electrode couple, and second radiation fin and the 4th radiation fin constitute second electrode couple, the sub-omnidirectional distribution of two electrode couples.
5. wideband dual polarized radiating element as claimed in claim 4 is characterized in that, said first fed element is arranged between first support bar and the 3rd support bar, is used for first electrode couple is carried out feed;
Said first fed element comprises feeder line T1, feeder line T3 and feeder line T5; Feeder line T1 vertically is provided with, and its bottom is fixed on the said reflecting plate; Feeder line T3 vertically is provided with; And the length of feeder line T1 is greater than the length of feeder line T3;
Feeder line T5 is horizontally disposed with, and the termination of feeder line T5 is connected with the upper end of feeder line T1, and another termination of feeder line T5 is connected with the upper end of feeder line T3; Feeder line T3 and feeder line T5 constitute L type probe.
6. wideband dual polarized radiating element as claimed in claim 5 is characterized in that, said second fed element is arranged between second support bar and the 4th support bar, is used for second electrode couple is carried out feed;
Said second fed element comprises feeder line T2, feeder line T4 and feeder line T6; Feeder line T2 vertically is provided with, and its bottom is fixed on the said reflecting plate; Feeder line T4 vertically is provided with; And the length of feeder line T2 is greater than the length of feeder line T4;
Feeder line T6 is horizontally disposed with, and the termination of feeder line T6 is connected with the upper end of feeder line T2, and another termination of feeder line T6 is connected with the upper end of feeder line T4; Feeder line T4 and feeder line T6 constitute L type probe.
7. wideband dual polarized radiating element as claimed in claim 6 is characterized in that, the top of the top of said first fed element and said second fed element is fixed through working of plastics.
8. like each described wideband dual polarized radiating element of claim 1 ~ 7, it is characterized in that each radiation fin and corresponding support bar thereof are integrated metal sheets.
9. wideband dual polarized radiating element as claimed in claim 8 is characterized in that, the outer shroud frame of said radiation fin is Q-RING frame or circular rings frame.
10. wideband dual polarized radiating element as claimed in claim 9 is characterized in that, the inner ring frame of said radiation fin is Q-RING frame or circular rings frame.
Priority Applications (1)
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CN2011205430084U CN202474193U (en) | 2011-12-22 | 2011-12-22 | Broadband dual polarization radiation unit |
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CN2011205430084U CN202474193U (en) | 2011-12-22 | 2011-12-22 | Broadband dual polarization radiation unit |
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CN202474193U true CN202474193U (en) | 2012-10-03 |
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CN2011205430084U Expired - Fee Related CN202474193U (en) | 2011-12-22 | 2011-12-22 | Broadband dual polarization radiation unit |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102496777A (en) * | 2011-12-22 | 2012-06-13 | 广州杰赛科技股份有限公司 | Broadband dual polarization radiation unit |
CN103066399A (en) * | 2012-12-18 | 2013-04-24 | 张家港保税区国信通信有限公司 | Nested circular ring type dual polarization radiating element |
CN108028460A (en) * | 2015-06-30 | 2018-05-11 | 华为技术有限公司 | Radiation appliance |
-
2011
- 2011-12-22 CN CN2011205430084U patent/CN202474193U/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102496777A (en) * | 2011-12-22 | 2012-06-13 | 广州杰赛科技股份有限公司 | Broadband dual polarization radiation unit |
CN103066399A (en) * | 2012-12-18 | 2013-04-24 | 张家港保税区国信通信有限公司 | Nested circular ring type dual polarization radiating element |
CN108028460A (en) * | 2015-06-30 | 2018-05-11 | 华为技术有限公司 | Radiation appliance |
EP3301756A4 (en) * | 2015-06-30 | 2018-05-30 | Huawei Technologies Co., Ltd. | Radiation device |
US10389018B2 (en) | 2015-06-30 | 2019-08-20 | Huawei Technologies Co., Ltd. | Radiation apparatus |
US10714820B2 (en) | 2015-06-30 | 2020-07-14 | Huawei Technologies Co., Ltd. | Radiation apparatus |
US11316263B2 (en) | 2015-06-30 | 2022-04-26 | Huawei Technologies Co., Ltd. | Radiation apparatus |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121003 Termination date: 20201222 |
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CF01 | Termination of patent right due to non-payment of annual fee |