CN109980360A - A kind of dual-polarized yagi aerial - Google Patents

A kind of dual-polarized yagi aerial Download PDF

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Publication number
CN109980360A
CN109980360A CN201910257545.3A CN201910257545A CN109980360A CN 109980360 A CN109980360 A CN 109980360A CN 201910257545 A CN201910257545 A CN 201910257545A CN 109980360 A CN109980360 A CN 109980360A
Authority
CN
China
Prior art keywords
antenna
yagi aerial
radiating doublet
coaxial cable
reflector
Prior art date
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.)
Withdrawn
Application number
CN201910257545.3A
Other languages
Chinese (zh)
Inventor
胡轶
钟勇
梁晓娟
萧霖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shengda Communication Equipment Co Ltd
Original Assignee
Foshan Shengda Communication Equipment Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Shengda Communication Equipment Co Ltd filed Critical Foshan Shengda Communication Equipment Co Ltd
Priority to CN201910257545.3A priority Critical patent/CN109980360A/en
Publication of CN109980360A publication Critical patent/CN109980360A/en
Withdrawn legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/42Housings not intimately mechanically associated with radiating elements, e.g. radome
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/104Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces using a substantially flat reflector for deflecting the radiated beam, e.g. periscopic antennas

Landscapes

  • Aerials With Secondary Devices (AREA)

Abstract

The present invention discloses a kind of dual-polarized yagi aerial, it include: antenna cover, antenna radiation unit, the first coaxial cable and the second coaxial cable, the antenna radiation unit is arranged in the antenna cover, and first coaxial cable and second coaxial cable pass through the antenna cover and connect with the antenna radiation unit and feed for it;It is characterized in that, the antenna radiation unit includes reflector, radiating doublet, several directors and directing bar, the through-hole for allowing the directing bar to pass through is equipped in the reflector, the radiating doublet and each director center, the reflector, the radiating doublet and each director are successively weldingly fixed on the directing bar, and all vertical with the directing bar.The present invention has been not only simple the production of antenna, and improves the gain of antenna well, isolation with higher.Yagi aerial size provided by the invention is smaller, structure is simple, it is functional, be suitable for produce in enormous quantities.

Description

A kind of dual-polarized yagi aerial
Technical field
The present invention relates to mobile communication antenna technical fields, more particularly to a kind of dual-polarized yagi aerial.
Background technique
Antenna has highly important position, antenna matter as electromagnet transduction element in entire radio communications system The quality of amount directly affects the distance and communications and liaison effect for receiving and dispatching communication distance.Skin satellite is due to energy small in size, carrying Also few, when the electromagnetic wave signal for causing it to emit reaches earth surface, the intensity of electromagnetic wave is lower.In order to receive high quality Satellite-signal, it is desirable that the antenna that receives that its fixed bottom boundary receives system wants gain with higher.And yagi aerial is as a Classical directional aerial, relative to basic half-wave doublet or folded dipole, it has high gain, high directivity, resists The remote advantage of interference, operating distance.But the production of existing Dual polarization Yagi-Uda antenna is not difficult, easy of integration.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of high-gain, high isolation and structures Simply, Dual polarization Yagi-Uda antenna easy to make.
To achieve the above objectives, the present invention adopts the following technical scheme:
A kind of dual-polarized yagi aerial, comprising: antenna cover, antenna radiation unit, the first coaxial cable and second are same Shaft cable, the antenna radiation unit are arranged in the antenna cover, first coaxial cable and second coaxial electrical Cable passes through the antenna cover and connect with the antenna radiation unit and feed for it;It is characterized in that, the aerial radiation list Member includes reflector, radiating doublet, several directors and directing bar, in the reflector, the radiating doublet and each described is drawn It is equipped with the through-hole for allowing the directing bar to pass through to device center, the reflector, the radiating doublet and each described guides into Device is successively weldingly fixed on the directing bar, and all vertical with the directing bar.
As a further illustration of the above scheme, first coaxial cable and second coaxial cable pass through phase respectively The feeding point answered is connect with the radiating doublet, is equipped on the perpendicular bisector of two feeding points of the radiating doublet One rectangular aperture.
As a further illustration of the above scheme, the antenna cover includes the antenna housing fitted together and outer cover bottom Seat is equipped with the installation fixation hole for being used to fix yagi aerial on the outer cover pedestal.
As a further illustration of the above scheme, the reflector, the radiating doublet, each director and described drawing It is copper piece to item.
As a further illustration of the above scheme, the reflector, the radiating doublet, each director and described drawing It is circular patch structure to item.
As a further illustration of the above scheme, each director size is different, and the length of each director It spends from one end close to the radiating doublet and successively decreases to the other end.
As a further illustration of the above scheme, the distance between each described director is not identical.
As a further illustration of the above scheme, the directing bar is cylindrical-shaped structure.
As a further illustration of the above scheme, two feeding points company with the radiating doublet center respectively Line is orthogonal.
As a further illustration of the above scheme, the working frequency of the yagi aerial is 3300MHz-3800MHz.
Compared with prior art, the beneficial effects of the present invention are:
Using the antenna structure being made of antenna cover, antenna radiation unit and coaxial cable, antenna radiation unit is used Reflector, radiating doublet, several director scolding tin are fixed on the structure on directing bar, have been not only simple the production of antenna, and And the gain of antenna is improved well, isolation with higher.Yagi aerial size provided by the invention is smaller, structure is simple It is single, functional, be suitable for produce in enormous quantities.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of yagi aerial provided by the invention.
Fig. 2 show the structural schematic diagram of antenna radiation unit.
Fig. 3 show the structural schematic diagram of reflector.
Fig. 4 show directional diagram when+45 ° of yagi aerial provided by the invention polarization.
Fig. 5 show directional diagram when -45 ° of yagi aerial provided by the invention polarization.
Fig. 6 show the isolation of two ports of yagi aerial provided by the invention.
Description of symbols:
1: antenna cover, 2: antenna radiation unit, the 3-1: the first coaxial cable, the 3-2: the second coaxial cable, 4-1: antenna Housing, 4-2: outer cover pedestal, 5: reflector, 6: radiating doublet, 7: director, 8: directing bar, 9: rectangular aperture.
Specific embodiment
In the description of the present invention, it should be noted that " transverse direction ", " vertical if any term " center " for the noun of locality To ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position Relationship is set, the narration present invention is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary It constructs and operates with specific orientation, with particular orientation, should not be understood as limiting specific protection scope of the invention.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include One or more this feature, in the present description, " at least " are meant that one or more, unless otherwise clearly having The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, should make if any term " assembling ", " connected ", " connection " term Broad sense goes to understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It is also possible to mechanical connect It connects;It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For ability For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In invention, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" may include First and second features directly contact, also may include fisrt feature and second feature be not direct contact but by them it Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature Right above two features and oblique upper, or be only to indicate that first feature horizontal height is higher than the height of second feature.Fisrt feature Second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only table Show first feature horizontal height lower than second feature.
Below with reference to the attached drawing of specification, a specific embodiment of the invention is further described, is made of the invention Technical solution and its benefits are clearer.It describes embodiment below with reference to attached drawing to be exemplary, it is intended to solve The present invention is released, and is not considered as limiting the invention.
As shown in Figure 1 and Figure 2, a kind of dual-polarized yagi aerial, comprising: antenna cover 1, antenna radiation unit 2, first Coaxial cable 3-1 and the second coaxial cable 3-2, the antenna radiation unit 2 are arranged in the antenna cover 1, and described first Coaxial cable 3-1 and the second coaxial cable 3-2 passes through the antenna cover 1 and connect with the antenna radiation unit 2 and be Feed.
Wherein, the antenna cover 1 includes: the antenna housing 4-1 fitted together and outer cover pedestal 4-2, outer cover pedestal 4-2 is located at the lower section of antenna radiation unit 2, and plays the role of fixed antenna radiating element 2.
The antenna radiation unit 2 includes: reflector 5, radiating doublet 6, several directors 7 and directing bar 8, the reflection Device 5, radiating doublet 6, each director 7 are all sheet, are equipped with and permit at the center of the reflector 5, radiating doublet 6, each director 7 Perhaps the through-hole that directing bar 8 passes through, and be fixed on directing bar 8 by scolding tin from the bottom to top, and vertical with directing bar 8.Described One coaxial cable 3-1 and the second coaxial cable 3-2 connect feed with the radiating doublet 6 after the reflector 5.
In the present embodiment, the preferably described reflector 5, radiating doublet 6, each director 7 and directing bar 8 are all copper fitting or aluminium Product.
It is preferred that the reflector 5, radiating doublet 6, each director 7 are all made of circular patch structure, the directing bar 8 is used Cylindrical-shaped structure, the size radius of reflector 5 are 20-30mm, and the size radius of radiating doublet 6 is 20-30mm, director 7 Size radius is 10-30mm, and the length of directing bar 8 is 200-400mm, radius size 1-5mm.
It is preferred that each 7 size of the director is different, and element length is from one end close to radiating doublet 6 to the other end Successively decrease, the distance between each described director 7 is not also identical, and the number of the director 7 is 21.
As shown in connection with fig. 3, the radiating doublet 6 is equipped with a rectangular aperture 9 on the perpendicular bisector of two feeding points, The first coaxial cable 4-1 and the second coaxial cable 4-2 connect with two feeding points feed to antenna respectively.Two A feeding point is orthogonal with the line of 6 center of radiating doublet respectively.
A kind of dual-polarized yagi aerial provided in this embodiment, using by antenna cover, antenna radiation unit and coaxial The antenna structure that cable is constituted, antenna radiation unit use and reflector, radiating doublet, several director scolding tin are fixed on and are guided into Structure on item has been not only simple the production of antenna, and improves the gain of antenna well, isolation with higher, As shown in Figure 4-Figure 6.A kind of its working frequency of dual-polarized yagi aerial provided in this embodiment is 3300MHz-3800MHz.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the present invention not office It is limited to above-mentioned specific embodiment, this hair is all fallen within using the improvement of techniques well known and substitution on the basis of the present invention Bright protection scope, protection scope of the present invention should limit it by each claim and its equivalent.In specific embodiment The part not illustrated is the prior art or common knowledge.

Claims (10)

1. a kind of dual-polarized yagi aerial, comprising: antenna cover, antenna radiation unit, the first coaxial cable and second are coaxial Cable, the antenna radiation unit are arranged in the antenna cover, first coaxial cable and second coaxial cable It connect across the antenna cover with the antenna radiation unit and feeds for it;It is characterized in that, the antenna radiation unit Including reflector, radiating doublet, several directors and directing bar, in the reflector, the radiating doublet and each described guide into Device center is equipped with the through-hole for allowing the directing bar to pass through, the reflector, the radiating doublet and each director It is successively weldingly fixed on the directing bar, and all vertical with the directing bar.
2. yagi aerial according to claim 1, which is characterized in that first coaxial cable and second coaxial electrical Cable passes through corresponding feeding point respectively and connect with the radiating doublet, the radiating doublet two feeding points it is vertical Bisector is equipped with a rectangular aperture.
3. yagi aerial according to claim 1, which is characterized in that the antenna cover includes the antenna fitted together Housing and outer cover pedestal are equipped with the installation fixation hole for being used to fix yagi aerial on the outer cover pedestal.
4. yagi aerial according to claim 1, which is characterized in that the reflector, each described draws the radiating doublet It is copper piece to device and the directing bar.
5. yagi aerial according to claim 1, which is characterized in that the reflector, each described draws the radiating doublet It is circular patch structure to device and the directing bar.
6. yagi aerial according to claim 1, which is characterized in that each director size is different, and each institute The length for stating director is successively decreased from one end close to the radiating doublet to the other end.
7. yagi aerial according to claim 1, which is characterized in that the distance between each described director is not identical.
8. yagi aerial according to claim 1, which is characterized in that the directing bar is cylindrical-shaped structure.
9. yagi aerial according to claim 2, which is characterized in that two feeding points respectively with the radiating doublet The line of center is orthogonal.
10. yagi aerial according to claim 1, which is characterized in that the working frequency of the yagi aerial is 3300MHz-3800MHz。
CN201910257545.3A 2019-04-01 2019-04-01 A kind of dual-polarized yagi aerial Withdrawn CN109980360A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910257545.3A CN109980360A (en) 2019-04-01 2019-04-01 A kind of dual-polarized yagi aerial

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910257545.3A CN109980360A (en) 2019-04-01 2019-04-01 A kind of dual-polarized yagi aerial

Publications (1)

Publication Number Publication Date
CN109980360A true CN109980360A (en) 2019-07-05

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CN201910257545.3A Withdrawn CN109980360A (en) 2019-04-01 2019-04-01 A kind of dual-polarized yagi aerial

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202196855U (en) * 2011-08-17 2012-04-18 广东盛华德通讯科技股份有限公司 Dual polarization yagi antenna
KR101436007B1 (en) * 2014-01-22 2014-09-02 연세대학교 산학협력단 Polarization 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
CN207250720U (en) * 2017-08-30 2018-04-17 比亚迪股份有限公司 Antenna
CN209641845U (en) * 2019-04-01 2019-11-15 佛山市盛夫通信设备有限公司 A kind of dual-polarized yagi aerial

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202196855U (en) * 2011-08-17 2012-04-18 广东盛华德通讯科技股份有限公司 Dual polarization yagi antenna
KR101436007B1 (en) * 2014-01-22 2014-09-02 연세대학교 산학협력단 Polarization 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
CN207250720U (en) * 2017-08-30 2018-04-17 比亚迪股份有限公司 Antenna
CN209641845U (en) * 2019-04-01 2019-11-15 佛山市盛夫通信设备有限公司 A kind of dual-polarized yagi aerial

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
曹卫平;田国涛;李思敏;: "基于左右手传输线的贴片八木天线", 微波学报, no. 02 *

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Application publication date: 20190705