CN210576422U - Broadband dual-polarized oscillator - Google Patents
Broadband dual-polarized oscillator Download PDFInfo
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- CN210576422U CN210576422U CN201921429026.2U CN201921429026U CN210576422U CN 210576422 U CN210576422 U CN 210576422U CN 201921429026 U CN201921429026 U CN 201921429026U CN 210576422 U CN210576422 U CN 210576422U
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Abstract
The utility model discloses a broadband dual-polarized oscillator, which comprises an oscillator component and two coupling feed pieces, wherein the oscillator component comprises four square oscillators, and a gap is reserved between two adjacent square oscillators; the bottom surface of the oscillator arm is provided with a feed balun extending downwards, and the feed balun is connected with the base; the square oscillator comprises a square external shooting arm and an internal shooting arm; the square external radiation arm is connected with the feed balun; the inner shooting arm is right-angled, and two ends of the inner shooting arm are connected with the inner side of the outer shooting arm. The utility model discloses simple structure, the equipment of being convenient for.
Description
Technical Field
The utility model relates to an antenna equipment technical field especially relates to a broadband dual polarization oscillator.
Background
The antenna oscillator is a component on the antenna, and has the functions of guiding and amplifying electromagnetic waves, so that the electromagnetic signals received by the antenna are stronger. The antenna element is made of metal with good conductivity. Some of the elements have a rod-like shape, and some of the elements have a complicated structure, and generally a plurality of elements are arranged in parallel on an antenna. At present, each large antenna manufacturer designs a dual-polarized die-cast oscillator of 1700MHz to 2700MHz for mobile communication. However, the overall size and weight are large, the structure process is complex, and the assembly process is complex.
Disclosure of Invention
The utility model aims to solve the technical problem that a broadband dual polarization oscillator is provided, its simple structure, the equipment of being convenient for.
In order to solve the technical problem, the utility model provides a broadband dual-polarized oscillator, which comprises an oscillator component and two coupling feed pieces, wherein the oscillator component comprises four square oscillators, and a gap is reserved between two adjacent square oscillators;
the bottom surface of the square oscillator is provided with a feed balun extending downwards, and the feed balun is connected with the base;
the square oscillator comprises a square external shooting arm and an internal shooting arm; the square external radiation arm is connected with the feed balun; the inner shooting arm is right-angled, and two ends of the inner shooting arm are connected with the inner side of the outer shooting arm.
As an improvement of the technical scheme, the square outer shooting wall and the square inner shooting wall are both provided with arc transition edges.
As an improvement of the above technical solution, the oscillator assembly, the feed balun and the base are integrally formed.
As an improvement of the above technical solution, four oscillator arms of the oscillator assembly are arranged in a field shape, two square oscillators arranged oppositely form a pair of half-wave symmetric oscillators, and the four square oscillators form two pairs of orthogonal half-wave symmetric oscillators.
As an improvement of the technical scheme, grooves are formed in the four square vibrators;
the two coupling feed plates are orthogonally arranged above the groove.
As an improvement of the above technical solution, the coupling feeding tab includes two feeding tabs orthogonally arranged, the feeding tabs have a height difference, and the feeding tabs are insulated from the feeding balun.
As an improvement of the above technical solution, a plastic supporting member is disposed between the feeding balun and the coupling feeding plate.
As an improvement of the above technical solution, the plastic support includes a mounting post connected to the feed balun, and a fixing cap is disposed on the mounting post;
the coupling feed sheet is provided with a connecting hole matched with the mounting column.
As an improvement of the above technical scheme, two bosses are arranged below the base, the bosses are provided with through holes matched with the inner walls of the feed balun, and the bottom surfaces of the bosses are provided with semicircular notches extending upwards.
As an improvement of the technical scheme, the bottom surface of the square vibrator is provided with a flow guide column.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses a broadband dual polarization oscillator, the oscillator unit is small, light in weight, and it includes oscillator subassembly and coupling feed piece. The oscillator component comprises four square oscillators, a feed balun is arranged below the square oscillators, and the feed balun is connected with the base. And a right-angle inner shooting arm is arranged in the square vibrator. The internal radiation arm can effectively improve the standing-wave ratio width and the directional diagram bandwidth of the oscillator. In addition, the coupling feed design is adopted, the assembly structure is simple, and the number of welding spots is small; the method is beneficial to mass production, improves the intermodulation characteristic of antenna products, and reduces the material cost and the production labor cost of the antenna.
Drawings
Fig. 1 and 4 are axial views of a broadband dual polarized oscillator according to the present invention;
fig. 2 is a plan view of a broadband dual polarization according to the present invention;
fig. 3 is an isometric view of a coupling feed tab according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.
Referring to fig. 1 and 2, the utility model provides a broadband dual-polarized oscillator, which comprises an oscillator assembly 1 and two coupling feed sheets 2, wherein the oscillator assembly 1 comprises four square oscillators 11, and a gap is left between two adjacent square oscillators 11;
a feeding balun 12 extending downwards is arranged on the bottom surface of the square oscillator 11, and the feeding balun 12 is connected with a base 13;
the square oscillator 11 comprises a square outer shooting arm 111 and an inner shooting arm 112; the square external radiation arm 111 is connected with the feed balun 12; the inner shooting arm 112 is right-angled, and two ends of the inner shooting arm 112 are connected with the inner side of the square outer shooting arm 111.
Specifically, the oscillator assembly 1 includes four square oscillators 11, the four square oscillators 11 are arranged in a field shape, wherein two square oscillators 11 arranged oppositely form a pair of half-wave dipoles, the four square oscillators 11 form two orthogonal half-wave dipoles, and the two orthogonal half-wave dipoles realize dual-polarization radiation. A gap is reserved between every two adjacent square vibrators 11, and the requirements of the isolation degree and the standing wave index of the vibrators are met by adjusting the gap between every two adjacent square vibrators 11. The feeding balun 12 is a sector-shaped cylinder, and an inner through hole 121 is formed in the sector-shaped cylinder along the axial direction, and the through hole 121 is used for installing the coupling feeding piece 2 and a coaxial cable (not shown in the drawing). The standing-wave ratio bandwidth and the directional diagram bandwidth of the oscillator are adjusted by adjusting the shape and the height of the feed balun 12. The square oscillator 11 comprises a square outer shooting arm 111 and a right-angle inner shooting arm 112 arranged in the square outer shooting arm 111, and two ends of the right-angle inner shooting arm 112 are respectively abutted to the square outer shooting arm 111. Through the right-angle inner radiation arm 112, the standing wave ratio bandwidth and the directional diagram bandwidth of the oscillator can be improved. The utility model discloses the oscillator when satisfying broadband antenna parameter index, reduces the unit volume and the weight of oscillator as far as possible, reduces manufacturing cost and processing cost, its simple structure, the equipment of being convenient for.
Further, the oscillator assembly 1, the feeding balun 12, and the base 13 are integrally formed. By adopting a die casting mode, the vibrator assembly 1, the feeding balun 12 and the base 13 are integrally formed, so that the number of welding spots can be reduced, the assembly is convenient, and the production efficiency is improved. In addition, the square inner radiation arm 111 and the inner radiation arm 112 are both provided with arc transition edges, and the arc transition edges can reduce stress concentration and improve the yield of the oscillator. In addition, the electric performance of the oscillator can be improved by adopting the arc transition edge.
Referring to fig. 3, in order to prevent the coupling feed tab 2 from contacting the oscillator assembly 1, the coupling feed tab 2 includes two feed tabs 22 orthogonally disposed, and the feed tabs 22 are insulated from the feed balun 12. Each feed tab 22 is connected to a pair of half-wave oscillators, and there is a height difference between the two feed tabs 22.
Four be equipped with the symmetry on the square oscillator and be equipped with recess 122, two coupling feed piece 2 quadrature is located the top of recess 122, just feed balun 12 with be equipped with plastic support piece 3 between coupling feed piece 2.
Specifically, the plastic support 3 includes a mounting post 31 abutting against the feeding balun 12, and a fixing cap 32 is disposed on the mounting post 31; the coupling feed sheet 2 is provided with a connecting hole 23 matched with the mounting column 31. The plastic supporting piece 3 is arranged, so that the feed sheet 22 and the feed balun 12 are fixed conveniently, the height difference between the feed sheets 22 is realized, and the requirement of isolation is met.
Referring to fig. 4, two bosses 4 and a connecting hole 6 connected to a reflector (not shown in the drawings) are arranged below the base 13, the bosses 4 are provided with through holes 41 adapted to the inner wall of the feeding balun 12, and the bottom surfaces of the bosses 4 are provided with semicircular notches 42 extending upward. The circular arc notch 42 is used for fixing the coaxial cable.
In addition, a diversion column 5 is arranged on the bottom surface of the square vibrator 11. The flow guide columns 5 are symmetrically arranged on the bottom surface of the square vibrator 11. The diversion column 5 can attenuate the reflected current on the back of the oscillator arm downwards, so that the current distribution of each square oscillator 11 is more uniform and stable.
To sum up, the utility model discloses a vibrator subassembly 1 and coupling feed piece 2, two square oscillators that set up relatively form a pair of half-wave symmetrical oscillator, and the half-wave symmetrical oscillator of two orthogonals is constituteed to four square oscillators 11, and the dual polarization radiation is realized to the half-wave symmetrical oscillator of two orthogonals. A feed balun 12 is arranged below the square oscillator, and the feed balun 12 is connected with a base 13. The square oscillator 11 is internally provided with a right-angle inner shooting arm 112. The internal radiation arm 112 can effectively improve the standing wave ratio width and the directional pattern bandwidth of the oscillator.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A broadband dual-polarized oscillator comprises an oscillator assembly and two coupling feed pieces, and is characterized in that the oscillator assembly comprises four square oscillators, and a gap is reserved between every two adjacent square oscillators;
the bottom surface of the square oscillator is provided with a feed balun extending downwards, and the feed balun is connected with the base;
the square oscillator comprises a square external shooting arm and an internal shooting arm; the square external radiation arm is connected with the feed balun; the inner shooting arm is right-angled, and two ends of the inner shooting arm are connected with the inner side of the outer shooting arm.
2. The broadband dual-polarized oscillator of claim 1, wherein the square outer radiating wall and the inner radiating arm are provided with circular arc transition edges.
3. The broadband dual-polarized vibrator according to claim 1, wherein the vibrator assembly, the feeding balun and the base are integrally formed.
4. The broadband dual-polarized vibrator according to claim 1, wherein four vibrator arms of the vibrator assembly are arranged in a field shape, two square vibrators oppositely arranged form a pair of half-wave dipoles, and four square vibrators form two pairs of orthogonal half-wave dipoles.
5. The broadband dual-polarized vibrator according to claim 1, wherein four of the square vibrators are provided with grooves;
the two coupling feed plates are orthogonally arranged above the groove.
6. The broadband dual-polarized oscillator of claim 5, wherein the coupling feed tab comprises two feed tabs arranged orthogonally, the feed tabs have a height difference, and the feed tabs are insulated from the feed balun.
7. The broadband dual-polarized oscillator of claim 6, wherein a plastic support is disposed between the feed balun and the coupling feed patch.
8. The broadband dual-polarized vibrator according to claim 7, wherein the plastic supporting member comprises a mounting post abutting against the feeding balun, and a fixing cap is arranged on the mounting post;
the coupling feed sheet is provided with a connecting hole matched with the mounting column.
9. The broadband dual-polarized vibrator according to claim 8, wherein two bosses are provided below the base, the bosses are provided with through holes adapted to inner walls of the feeding balun, and bottom surfaces of the bosses are provided with semicircular notches extending upward.
10. The broadband dual-polarized vibrator according to claim 1, wherein a flow guiding column is disposed on a bottom surface of the square vibrator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429026.2U CN210576422U (en) | 2019-08-29 | 2019-08-29 | Broadband dual-polarized oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921429026.2U CN210576422U (en) | 2019-08-29 | 2019-08-29 | Broadband dual-polarized oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210576422U true CN210576422U (en) | 2020-05-19 |
Family
ID=70640404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921429026.2U Active CN210576422U (en) | 2019-08-29 | 2019-08-29 | Broadband dual-polarized oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210576422U (en) |
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2019
- 2019-08-29 CN CN201921429026.2U patent/CN210576422U/en active Active
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