CN209641845U - A kind of dual-polarized yagi aerial - Google Patents
A kind of dual-polarized yagi aerial Download PDFInfo
- Publication number
- CN209641845U CN209641845U CN201920430670.5U CN201920430670U CN209641845U CN 209641845 U CN209641845 U CN 209641845U CN 201920430670 U CN201920430670 U CN 201920430670U CN 209641845 U CN209641845 U CN 209641845U
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- CN
- China
- Prior art keywords
- antenna
- radiating doublet
- yagi aerial
- coaxial cable
- reflector
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Abstract
The utility model 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 utility model has been not only simple the production of antenna, and improves the gain of antenna well, and isolation is good.Yagi aerial size provided by the utility model is smaller, structure is simple, it is functional, be suitable for produce in enormous quantities.
Description
Technical field
The utility model 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.
Utility model content
Aiming at the problems existing in the prior art, the purpose of this utility model is to provide a kind of high-gain, high isolation and
Simple, the easy to make Dual polarization Yagi-Uda antenna of structure.
To achieve the above objectives, the utility model adopts the following technical solution:
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 utility model has the beneficial effects that
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 utility model is smaller, ties
Structure is simple, it is functional, be suitable for producing in enormous quantities.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of yagi aerial provided by the utility model.
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 utility model polarization.
Fig. 5 show directional diagram when -45 ° of yagi aerial provided by the utility model polarization.
Fig. 6 show the isolation of two ports of yagi aerial provided by the utility model.
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 for the noun of locality, if any term " center ", " transverse direction ",
" longitudinal direction ", " 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, narration the utility model is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, constructed and operated with particular orientation, should not be understood as the specific protection model for limiting the utility model
It encloses.
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 utility model description, " at least " is meant that one or more, unless otherwise bright
It is really specific to limit.
In the present invention, except as otherwise clear stipulaties and restriction, if any term " assembling ", " connected ", " connection " term
It should go to understand as broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to machine
Tool connection；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For
For those of ordinary skill in the art, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
In utility model, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" can be with
It is directly contacted including the first and second features, also may include that fisrt feature and second feature are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
It right above second feature and oblique upper, or is only to indicate that first feature horizontal height is higher than the height of second feature.First
Feature second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only
Only indicate that first feature horizontal height is lower than second feature.
Below with reference to the attached drawing of specification, specific embodiment of the present utility model is further described, makes this reality
With novel technical solution and its benefits are clearer.It is exemplary for describing embodiment below with reference to attached drawing
, it is intended to it explains the utility model, and should not be understood as limiting the present 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 utility model
It is not limited to above-mentioned specific embodiment, it is equal using the improvement of techniques well known and substitution on the basis of the utility model
The protection scope of the utility model is fallen in, the protection scope of the utility model should be limited by each claim and its equivalent
It.The part not illustrated in specific embodiment is the prior art or common knowledge.
Claims (9)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920430670.5U CN209641845U (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 |
|---|---|---|---|
| CN201920430670.5U CN209641845U (en) | 2019-04-01 | 2019-04-01 | A kind of dual-polarized yagi aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641845U true CN209641845U (en) | 2019-11-15 |
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ID=68497142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920430670.5U Active CN209641845U (en) | 2019-04-01 | 2019-04-01 | A kind of dual-polarized yagi aerial |
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| Country | Link |
|---|---|
| CN (1) | CN209641845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980360A (en) * | 2019-04-01 | 2019-07-05 | 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 CN201920430670.5U patent/CN209641845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980360A (en) * | 2019-04-01 | 2019-07-05 | 佛山市盛夫通信设备有限公司 | A kind of dual-polarized yagi aerial |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220608 Address after: 528100 No. 20-1 (F4) Private Science Park, Nanfeng Avenue, Southwest Street, Sanshui District, Foshan City, Guangdong Province Patentee after: FOSHAN SHENGFU COMMUNICATION EQUIPMENT CO.,LTD. Patentee after: Guangdong Shenglu Communication Co., Ltd Address before: 528100 No. 20-1 (F4) Private Science Park, Nanfeng Avenue, Southwest Street, Sanshui District, Foshan City, Guangdong Province Patentee before: FOSHAN SHENGFU COMMUNICATION EQUIPMENT CO.,LTD. |
|
| TR01 | Transfer of patent right |