CN201845868U - Dual polarization Yagi-Uda antenna device - Google Patents

Dual polarization Yagi-Uda antenna device Download PDF

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Publication number
CN201845868U
CN201845868U CN2010205680738U CN201020568073U CN201845868U CN 201845868 U CN201845868 U CN 201845868U CN 2010205680738 U CN2010205680738 U CN 2010205680738U CN 201020568073 U CN201020568073 U CN 201020568073U CN 201845868 U CN201845868 U CN 201845868U
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CN
China
Prior art keywords
dual polarization
yagi antenna
antenna
square tube
printed board
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2010205680738U
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Chinese (zh)
Inventor
陈凌云
黄道彬
欧世晓
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GUANGDONG TONGYU COMMUNICATION EQUIPMENT CO Ltd
Tongyu Communication Inc
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GUANGDONG TONGYU COMMUNICATION EQUIPMENT CO Ltd
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Priority to CN2010205680738U priority Critical patent/CN201845868U/en
Application granted granted Critical
Publication of CN201845868U publication Critical patent/CN201845868U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a dual polarization Yagi-Uda antenna device comprising a reflecting plate, a dual polarization exciting unit and a director radiation array, wherein the dual polarization exciting unit also comprises an active radiation oscillator and a printed board; the director radiation array comprises a square tube and a plurality of director radiators sequentially arranged on the square tube; and the dual polarization exciting unit and the director radiation array are arranged on the reflecting plate. For the dual polarization Yagi-Uda antenna device, due to reasonable improvement on the antenna structure and the adoption of the dual polarization diversity reception technology, the capacity of resisting disturbance of the antenna can be greatly enhanced. In addition, the dual polarization Yagi-Uda antenna device is reasonable and ingenious in design, reliable in performance and convenient for assembling, thus having wide application prospect.

Description

A kind of dual polarization Yagi antenna device
Technical field
The utility model relates to the antenna of mobile communication base station field, especially relates to a kind of sub-district that is suitable for and covers, and can realize the dual polarization Yagi antenna device that polarization diversity receives.
Background technology
Yagi antenna has obtained using very widely in every field since invention eighties of last century twenties, comprises military affairs, surveys television broadcasting, mobile communication etc.But in the evolution process in this nearly century, Yagi antenna family outside antenna volume is in different size, does not introduce the newcomer except the requirement of every field different frequency.
In mobile communication, Yagi antenna also mainly serves as antenna for base station, being mainly used in the sub-district covers, in the mobile communication system of reality, travelling carriage usually is operated in architecture ensemble or other the complicated geographical environments, and the speed and the direction that move are arbitrarily, the signal that sends is through reflection, behind the propagation path of scattering etc., arrive a plurality of often amplitudes of signal of receiving terminal and the stack of the signal that phase place has nothing in common with each other, making the signal amplitude that receives random fluctuation occur changes, form multipath fading, this decline can reduce obtainable available signal power and increase the influence of disturbing, make the received signal of receiver produce distortion, the waveform broadening, overlapping and the distortion of waveform, even cause the output of communication system demodulator a large amount of mistakes to occur, so that can not communicate by letter fully.
Because the above defective is necessary the design of traditional Yagi antenna is improved.
Summary of the invention
At the problems referred to above, the purpose of this utility model is to provide a kind of dual polarization Yagi antenna device.
The utility model is that the technical scheme that its technical problem of solution is adopted is:
A kind of dual polarization Yagi antenna device, it is characterized in that comprising: reflecting disc, dual polarization exciting unit and guide radiating curtain into, wherein, described dual polarization exciting unit also comprises active radiating doublet and printed board, the described radiating curtain of guiding into comprises square tube and the sequence arrangement a plurality of radiators of guiding on square tube, dual polarization exciting unit and guide radiating curtain into and be installed on the reflecting disc.
As the further improvement of such scheme, described active radiating doublet is made up of two mutually orthogonal polarized radiation oscillators, and wherein each polarized radiation oscillator is formed about the axisymmetric feed arm of square tube by two.
Further, described feed arm and printed board are electrically connected, and by coupling of the microstrip line in the described printed board and cable conduction, are connected on the joint of reflecting disc.
Further, described printed board is decussate texture, with described feed arm angle at 45.
Further, the described radiating curtain of guiding into comprises that is at least guided into a radiator.
Further, the described radiator of guiding into is a circular tube structure, and the pairwise orthogonal pipe is staggered at the geometric center place, and is in same plane, and this plane and described square tube are perpendicular.
In addition, described dual polarization Yagi antenna device also comprises radome, and described reflecting disc and radome be common to constitute a protection body with internal cavity structures, described dual polarization exciting unit and guide radiating curtain into and be located in this cavity.
The beneficial effects of the utility model are: a kind of dual polarization Yagi antenna device that the utility model provides, because antenna structure has been done rational improvement, and employing dual polarization diversity receiving technology, strengthened the antijamming capability of this antenna greatly, on the one hand, the utility model adopts feed surface of oscillator and square tube in conplane structural design dexterously, and adopt the printed board microstripline to do impedance matching, " ten " cabinet frame structure of printed board and oscillator arms help effective radiation of feed and improve the isolation of two polarization into about 45 ° of angles; On the other hand, the radiator of guiding into of two polarization snaps over together mutually, guarantees to guarantee that the directional characteristic of two polarization is consistent on square tube is axial as far as possible; In addition, the utility model also has advantages such as rational in infrastructure, suitable cell covering.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described further:
Fig. 1 is the cross-sectional view of the utility model specific embodiment;
Fig. 2 is the utility model dual polarization exciting unit structural representation;
Fig. 3 is that the utility model is guided the radiating curtain structural representation into.
Embodiment
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of dual polarization Yagi antenna device, comprise reflecting disc 1, dual polarization exciting unit 2 and guide radiating curtain 3 into, wherein, described dual polarization exciting unit 2 also comprises active radiating doublet 21 and printed board 22, the described radiating curtain 3 of guiding into comprises square tube 31 and the sequence arrangement a plurality of radiators 32 of guiding on square tube 31, dual polarization exciting unit 2 and guide radiating curtain 3 into and be installed on the reflecting disc 1.
As the utility model embodiment preferred, described active radiating doublet 21 is made up of two mutually orthogonal polarized radiation oscillators, and wherein each polarized radiation oscillator is formed about square tube 31 axisymmetric feed arms 211 by two.
Described feed arm 211 is electrically connected with printed board 22, by coupling of the microstrip line in the described printed board 22 and cable conduction, is connected on the joint of reflecting disc 1.
Described printed board 22 is decussate texture, with described feed arm 211 angles at 45.
The described radiating curtain 3 of guiding into comprises that is at least guided into a radiator 32.
The described radiator 32 of guiding into is circular tube structure, and the pairwise orthogonal pipe is staggered at the geometric center place, and is in same plane, and this plane and described square tube 31 are perpendicular.
In addition, described dual polarization Yagi antenna device also comprises radome 4, and described reflecting disc 1 and radome 4 be common to constitute the protection bodies with internal cavity structures, described dual polarization exciting unit 2 and guide radiating curtain 3 into and be located in this cavity.
A kind of dual polarization Yagi antenna device described in the utility model, its radome 4 one ends are fixed on above the reflecting disc 1 by blind rivet, and the other end puts the end cap of low-k.Because the end cap direction is a Yagi antenna greatest irradiation direction, select for use the material of low-k to do end cap, can reduce radiation loss, reduce loss to gain; Antenna square tube 31 skeletons are main structure body parts, and it is fixed on above the reflecting disc 1 by a connecting piece, and the dual polarization exciting unit 2 that feed arm 211 and printed board 22 formed is fixed on square tube 31 skeletons, keep and distance that reflecting disc 1 is certain.Along skeleton, be to guide radiant body into more than active dipole, select different director dipole quantity and the spacing between the oscillator according to the gain and the directional diagram requirement of antenna.The working frequency range of present embodiment is 830MHz-890MHz, and gain is greater than 13dBi, and horizontal plane and vertical plane lobe width are controlled between 30 °-40 °.
Fig. 2 is the utility model dual polarization exciting unit structural representation, described dual polarization exciting unit 22 comprises active radiating doublet 21 and printed board 22, two active radiating doublets 21 are made up of four feed arms 211, one end of each feed arm and the microstrip line of printed board are connected, fix by screw, the other end is fixed on above the skeleton by blind rivet.Feed arm is dwindled in printed board ground view field as far as possible, helps the impedance matching of active dipole, and printed board that Here it is is designed to the reason of " ten " font.
In sum, therefore the utility model ingenious, dependable performance, easy to assembly reasonable in design has a extensive future.
More than preferable enforcement of the present utility model is specified; certainly; the utility model can also adopt form different from the embodiment described above; those of ordinary skill in the art should belong in the protection range of the present utility model conversion of being done under the prerequisite of spirit of the present invention that is equal to or corresponding the change.

Claims (7)

1. dual polarization Yagi antenna device, it is characterized in that comprising: reflecting disc (1), dual polarization exciting unit (2) and guide radiating curtain (3) into, wherein, described dual polarization exciting unit (2) comprises active radiating doublet (21) and printed board (22), the described radiating curtain (3) of guiding into comprises square tube (31) and the sequence arrangement a plurality of radiators (32) of guiding on square tube (31), dual polarization exciting unit (2) and guide radiating curtain (3) into and be installed on the reflecting disc (1).
2. a kind of dual polarization Yagi antenna device according to claim 1, it is characterized in that: described active radiating doublet (21) is made up of two mutually orthogonal polarized radiation oscillators, and wherein each polarized radiation oscillator is formed about the axisymmetric feed arm of square tube (31) (211) by two.
3. a kind of dual polarization Yagi antenna device according to claim 2, it is characterized in that: described feed arm (211) is electrically connected with printed board (22), and, be connected on the joint of reflecting disc (1) by coupling of the microstrip line in the described printed board (22) and cable conduction.
4. a kind of dual polarization Yagi antenna device according to claim 3, it is characterized in that: described printed board (22) is decussate texture, with described feed arm (211) angle at 45.
5. a kind of dual polarization Yagi antenna device according to claim 1 is characterized in that: the described radiating curtain (3) of guiding into comprises that is at least guided into a radiator (32).
6. a kind of dual polarization Yagi antenna device according to claim 1 and 2, it is characterized in that: the described radiator (32) of guiding into is a circular tube structure, the pairwise orthogonal pipe is staggered at the geometric center place, and is in same plane, and this plane and described square tube (31) are perpendicular.
7. a kind of dual polarization Yagi antenna device according to claim 1, it is characterized in that: described dual polarization Yagi antenna device also comprises radome (4), described reflecting disc (1) and radome (4) constitute a protection body with internal cavity structures jointly, described dual polarization exciting unit (2) and guide radiating curtain (3) into and be located in this cavity.
CN2010205680738U 2010-10-18 2010-10-18 Dual polarization Yagi-Uda antenna device Expired - Lifetime CN201845868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205680738U CN201845868U (en) 2010-10-18 2010-10-18 Dual polarization Yagi-Uda antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205680738U CN201845868U (en) 2010-10-18 2010-10-18 Dual polarization Yagi-Uda antenna device

Publications (1)

Publication Number Publication Date
CN201845868U true CN201845868U (en) 2011-05-25

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105789842A (en) * 2016-03-23 2016-07-20 佛山市粤海信通讯有限公司 Novel broadband dual-polarization yagi antenna
CN106848541A (en) * 2015-12-04 2017-06-13 江苏省东方世纪网络信息有限公司 Antenna
CN108539407A (en) * 2018-05-24 2018-09-14 西安电子科技大学 A kind of planar big-angle scanning phased antenna array
CN111769352A (en) * 2020-06-12 2020-10-13 中国船舶重工集团公司第七二四研究所 Antenna unit design method for changing polarization by adjusting frame structure parameters
CN112397886A (en) * 2020-11-06 2021-02-23 康威通信技术股份有限公司 Narrow-beam directional antenna and preparation method thereof
CN112585818A (en) * 2018-07-31 2021-03-30 劲通开曼有限公司 Partitioned diamond antenna elements for controlling azimuth patterns in different array configurations
CN112585818B (en) * 2018-07-31 2022-06-10 劲通开曼有限公司 Split diamond antenna elements for controlling azimuth pattern in different array configurations

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106848541B (en) * 2015-12-04 2020-11-24 江苏省东方世纪网络信息有限公司 Antenna with a shield
CN106848541A (en) * 2015-12-04 2017-06-13 江苏省东方世纪网络信息有限公司 Antenna
CN105789842B (en) * 2016-03-23 2019-05-31 佛山市粤海信通讯有限公司 Wideband Dual polarization Yagi-Uda antenna
CN105789842A (en) * 2016-03-23 2016-07-20 佛山市粤海信通讯有限公司 Novel broadband dual-polarization yagi antenna
CN108539407A (en) * 2018-05-24 2018-09-14 西安电子科技大学 A kind of planar big-angle scanning phased antenna array
CN108539407B (en) * 2018-05-24 2020-06-30 西安电子科技大学 Planar large-angle scanning phased antenna array
CN112585818A (en) * 2018-07-31 2021-03-30 劲通开曼有限公司 Partitioned diamond antenna elements for controlling azimuth patterns in different array configurations
CN112585818B (en) * 2018-07-31 2022-06-10 劲通开曼有限公司 Split diamond antenna elements for controlling azimuth pattern in different array configurations
CN111769352A (en) * 2020-06-12 2020-10-13 中国船舶重工集团公司第七二四研究所 Antenna unit design method for changing polarization by adjusting frame structure parameters
CN112397886A (en) * 2020-11-06 2021-02-23 康威通信技术股份有限公司 Narrow-beam directional antenna and preparation method thereof

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Granted publication date: 20110525