CN109980360A - A kind of dual-polarized yagi aerial - Google Patents
A kind of dual-polarized yagi aerial Download PDFInfo
- 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- Withdrawn
Links
- 230000005855 radiation Effects 0.000 claims abstract description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000010287 polarization Effects 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations 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
- H01Q19/104—Combinations 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
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。
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 |
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CN109980360A true CN109980360A (en) | 2019-07-05 |
Family
ID=67082175
Family Applications (1)
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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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CN (1) | CN109980360A (en) |
Citations (5)
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 |
-
2019
- 2019-04-01 CN CN201910257545.3A patent/CN109980360A/en not_active Withdrawn
Patent Citations (5)
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)
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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PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190705 |