CN221126259U - Broadband dual-polarized parabolic antenna - Google Patents
Broadband dual-polarized parabolic antenna Download PDFInfo
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- CN221126259U CN221126259U CN202323187562.5U CN202323187562U CN221126259U CN 221126259 U CN221126259 U CN 221126259U CN 202323187562 U CN202323187562 U CN 202323187562U CN 221126259 U CN221126259 U CN 221126259U
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- 230000005855 radiation Effects 0.000 claims abstract description 36
- 230000009977 dual effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 abstract description 4
- 101100242114 Dictyostelium discoideum omt11 gene Proteins 0.000 description 6
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a broadband dual-polarized parabolic antenna, which belongs to the technical field of antennas and comprises a feed source assembly and a horn assembly, wherein the feed source assembly comprises a broadband OMT, a waveguide tube and a radiation head, and the horn assembly comprises a positioning disk, a mounting frame and a parabolic horn body. According to the utility model, by applying the broadband OMT in the feed source component and connecting the two radio frequency interfaces on the broadband OMT, dual-polarized signal receiving and transmitting can be realized, the communication capacity is increased, and the working frequency range of the antenna is widened; by arranging a choke groove ring consisting of a plurality of concentric choke grooves, standing waves and radiation of a feed source can be improved, the signal radiation direction of a radiation head is matched with a parabolic horn body, and the in-band directional diagram is ensured to be kept stable; through set up the mounting panel that extends to the mounting bracket outside on loudspeaker subassembly, be convenient for erect the antenna on supporting the object or fix in the suitable place of keeping away from supporting the object, simple to operate is nimble.
Description
Technical Field
The utility model relates to the technical field of antennas, in particular to a broadband dual-polarized parabolic antenna.
Background
With the rapid development of the current communication technology, microwaves with higher frequency bands need to be selected, so that waveguides are applied in antennas to receive and transmit microwave signals. However, in high frequency applications, the microstrip line is susceptible to failure due to too small a wavelength and too high a tolerance requirement; although some traditional antennas can realize ultra-wideband characteristics and stable gains, in order to adapt to the development of future wireless communication, the antennas need to not only pursue wideband characteristics, but also consider many problems such as miniaturization, polarization, in-band pattern stability and the like, so that the research and development of the structure and mechanism of the ultra-wideband antenna with ultra-wideband section has important scientific and application values in the aspects of design and test of the research of key technologies of the ultra-wideband antenna.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model provides a broadband dual-polarized parabolic antenna which can receive and transmit dual-polarized signals, has large communication capacity, wide working range, excellent standing wave and radiation parameters, stable in-band directional diagram, convenient erection on a supporting object or fixed at a proper place far away from the supporting object, and convenient and flexible installation.
In order to solve the technical problems, the utility model adopts the following technical scheme:
A broadband dual polarized parabolic antenna comprising a feed assembly and a horn assembly, wherein:
The feed source assembly comprises a broadband OMT, a waveguide tube and a radiation head, wherein the broadband OMT is of an annular structure with an opening at one end, two radio frequency interfaces are arranged on the side wall of the broadband OMT, which is close to the closed end, the opening end of the broadband OMT is connected with one end part of the waveguide tube, and the radiation head is arranged at the other end part of the waveguide tube;
The loudspeaker assembly comprises a positioning disc, a mounting frame and a parabolic loudspeaker body, wherein the positioning disc is sleeved on the periphery of the broadband OMT, the mounting frame is sleeved on the periphery of the positioning disc, the parabolic loudspeaker body is detachably and fixedly arranged on the mounting frame, and an opening of the parabolic loudspeaker body faces the radiation head.
As a further explanation of the above technical solution:
in the above technical scheme, the feed source assembly further comprises a choke groove ring, which is arranged between the radiation head and the waveguide tube, and the choke groove ring is provided with a plurality of annular choke grooves which are concentrically arranged.
In the above technical scheme, the positioning plate is a flange plate, a positioning boss is arranged at the end part of the positioning plate, which faces the radiation head, and the positioning boss is coaxial with the positioning plate and extends towards the radiation head.
In the technical scheme, the mounting frame is of an annular structure, and a step hole matched with the positioning disc is formed in the axis of the mounting frame; the end part of the mounting frame, which faces the radiation head, is provided with a first annular bulge coaxial with the stepped hole at the periphery of the stepped hole, and the outer diameter of the first annular bulge is matched with the inner diameter of the smaller end part of the parabolic horn body; the mounting frame is towards the end of the broadband OMT is provided with a second annular bulge coaxial with the stepped hole at the periphery of the stepped hole, the second annular bulge is connected with a mounting plate, and the mounting plate is arranged on the mounting frame and one end of the mounting plate extends to the outer side of the mounting frame.
In the above technical scheme, the mounting frame, the first annular protrusion, the second annular protrusion and the mounting plate are integrally formed.
In the technical scheme, a plurality of positioning hole grooves are formed in the parabolic horn body, the mounting frame, the mounting plate and the positioning plate.
In the above technical scheme, the end face of the mounting frame facing the parabolic horn body is an arc face matched with the mounting frame.
Compared with the prior art, the utility model has the beneficial effects that: by applying a broadband OMT in the feed source component and connecting two radio frequency interfaces on the broadband OMT, dual-polarized signal receiving and transmitting can be realized, the communication capacity is increased, and the working frequency range of the antenna is widened; by arranging a choke groove ring consisting of a plurality of concentric choke grooves, standing waves and radiation of a feed source can be improved, the signal radiation direction of a radiation head is matched with a parabolic horn body, and the in-band directional diagram is ensured to be kept stable; through set up the mounting panel that extends to the mounting bracket outside on loudspeaker subassembly, be convenient for erect the antenna on supporting the object or fix in the suitable place of keeping away from supporting the object, simple to operate is nimble.
Drawings
Fig. 1 is a schematic structural view of the present embodiment;
FIG. 2 is a schematic view of another view of the present embodiment;
FIG. 3 is an exploded view of the feed assembly of the present embodiment;
Fig. 4 is an exploded view of the horn assembly of the present embodiment (the parabolic horn body is not shown);
fig. 5 is a schematic structural view of the mounting frame in the present embodiment.
In the figure: 10. a feed source component; 11. wideband OMT; 12. a waveguide; 13. a radiation head; 14. a radio frequency interface; 15. a choke groove ring; 20. a horn assembly; 21. a positioning plate; 22. a mounting frame; 23. a parabolic horn body; 1. a choke groove; 2. positioning the boss; 3. a step hole; 4. a first annular projection; 5. a second annular projection; 6. a mounting plate; 7. positioning hole slots.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
The embodiments described by referring to the drawings are exemplary and intended to be illustrative of the application and are not to be construed as limiting the application. In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a number", "a plurality" or "a plurality" is two or more, unless specifically defined otherwise. In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances. In the present application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
As shown in fig. 1-2, a broadband dual polarized parabolic antenna includes a feed assembly 10 and a horn assembly 20, wherein:
As shown in fig. 3, the feed source assembly 10 includes a wideband OMT11, a waveguide 12 and a radiation head 13, where the wideband OMT11 is an annular structure with an opening at one end, two radio frequency interfaces 14 are arranged on the side wall of the wideband OMT near the closed end, the opening end of the wideband OMT11 is connected with one end of the waveguide 12, and the radiation head 13 is arranged at the other end of the waveguide 12; the feed assembly 10 further comprises a choke ring 15 arranged between the radiation head 13 and the waveguide 12, the choke ring 14 being provided with a number of annular and concentrically arranged choke grooves 1.
As shown in fig. 4, the horn assembly 20 includes a positioning disk 21, a mounting frame 22 and a parabolic horn body 23, the positioning disk 21 is sleeved on the periphery of the wideband OMT11, the mounting frame 22 is sleeved on the periphery of the positioning disk 21, the parabolic horn body 23 is detachably and fixedly arranged on the mounting frame 22, and the opening of the parabolic horn body 23 faces the radiation head 13; the positioning plate 21 is a flange, and the end of the flange facing the radiation head 13 is provided with a positioning boss 2, and the positioning boss 2 is coaxial with the positioning plate 21 and extends towards the radiation head 13.
It will be appreciated that the use of the choke groove ring 15 on the feed assembly 10 improves the standing wave and radiation of the feed, and enables the signal radiation direction of the radiation head 13 to be adapted to the parabolic horn body 23, ensuring that the in-band pattern remains stable.
Further, as shown in fig. 5, the mounting frame 22 has an annular structure, and a step hole 3 adapted to the positioning disk 21 is provided at the axis of the mounting frame; the end part of the mounting frame 22 facing the radiation head 13 is provided with a first annular bulge 4 coaxial with the stepped hole 3 at the periphery of the stepped hole, and the outer diameter of the first annular bulge 4 is matched with the inner diameter of the smaller end part on the parabolic horn body 23; the end part of the mounting frame 22 facing the wideband OMT11 is provided with a second annular bulge 5 coaxial with the stepped hole 3 at the periphery of the stepped hole, the second annular bulge 5 is connected with a mounting plate 6, the mounting plate 6 is arranged on the mounting frame 22, and one end part of the mounting plate 6 extends to the outer side of the mounting frame 22; the end face of the mounting frame 22 facing the parabolic horn body 23 is an arc surface matched with the end face.
In the present embodiment, the mounting bracket 22, the first annular projection 4, the second annular projection 5, and the mounting plate 6 are integrally formed; the parabolic horn body 23, the mounting frame 22, the mounting plate 5 and the positioning plate 21 are all provided with a plurality of positioning hole grooves 7.
It will be appreciated that the integrally formed structure of the mounting frame 22, even if it is easy to assemble, ensures the stability and consistency of the structure thereof, and further ensures that the parabolic antenna body 23 and the feed assembly 10 can be stably supported all the time, and cooperates with each positioning hole slot 7, thereby ensuring the stability of the overall antenna direction.
According to the utility model, by applying the broadband OMT11 in the feed source assembly 10 and connecting the two radio frequency interfaces 14 on the broadband OMT, dual-polarized signal receiving and transmitting can be realized, the communication capacity is increased, and the working frequency range of the antenna is widened; by arranging the choke groove ring 15 consisting of a plurality of concentric choke grooves 1, standing waves and radiation of a feed source can be improved, the signal radiation direction of the radiation head 13 is matched with the parabolic horn body 23, and the in-band directional diagram is ensured to be kept stable; by providing the mounting plate 6 on the horn assembly 20 extending to the outside of the mounting frame 22, the antenna is conveniently mounted on the support object or fixed in place away from the support object, which is convenient and flexible to install.
The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.
Claims (7)
1. The utility model provides a broadband dual polarized parabolic antenna which characterized in that includes feed subassembly and loudspeaker subassembly, wherein:
The feed source assembly comprises a broadband OMT, a waveguide tube and a radiation head, wherein the broadband OMT is of an annular structure with an opening at one end, two radio frequency interfaces are arranged on the side wall of the broadband OMT, which is close to the closed end, the opening end of the broadband OMT is connected with one end part of the waveguide tube, and the radiation head is arranged at the other end part of the waveguide tube;
The loudspeaker assembly comprises a positioning disc, a mounting frame and a parabolic loudspeaker body, wherein the positioning disc is sleeved on the periphery of the broadband OMT, the mounting frame is sleeved on the periphery of the positioning disc, the parabolic loudspeaker body is detachably and fixedly arranged on the mounting frame, and the opening of the parabolic loudspeaker body faces the radiation head.
2. The broadband dual polarized parabolic antenna according to claim 1, wherein the feed assembly further comprises a choke groove ring disposed between the radiation head and the waveguide, the choke groove ring having a plurality of choke grooves disposed in a ring shape and concentrically.
3. The broadband dual polarized parabolic antenna according to claim 1, wherein the positioning plate is a flange plate, and a positioning boss is disposed at an end of the flange plate facing the radiation head, and the positioning boss is coaxial with the positioning plate and extends toward the radiation head.
4. The broadband dual-polarized parabolic antenna according to claim 1, wherein the mounting frame has an annular structure, and a step hole adapted to the positioning plate is arranged at the axis of the mounting frame; the end part of the mounting frame, which faces the radiation head, is provided with a first annular bulge coaxial with the stepped hole at the periphery of the stepped hole, and the outer diameter of the first annular bulge is matched with the inner diameter of the smaller end part of the parabolic horn body; the mounting frame is towards the end of the broadband OMT is provided with a second annular bulge coaxial with the stepped hole at the periphery of the stepped hole, the second annular bulge is connected with a mounting plate, and the mounting plate is arranged on the mounting frame and one end of the mounting plate extends to the outer side of the mounting frame.
5. The broadband dual polarized parabolic antenna according to claim 4, wherein the mounting bracket, the first annular protrusion, the second annular protrusion and the mounting plate are integrally formed.
6. The broadband dual-polarized parabolic antenna according to claim 4, wherein the parabolic horn body, the mounting frame, the mounting plate and the positioning plate are provided with a plurality of positioning hole slots.
7. The broadband dual-polarized parabolic antenna according to claim 1, wherein the end surface of the mounting frame facing the parabolic horn body is an arc surface adapted thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323187562.5U CN221126259U (en) | 2023-11-24 | 2023-11-24 | Broadband dual-polarized parabolic antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323187562.5U CN221126259U (en) | 2023-11-24 | 2023-11-24 | Broadband dual-polarized parabolic antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221126259U true CN221126259U (en) | 2024-06-11 |
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ID=91363582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323187562.5U Active CN221126259U (en) | 2023-11-24 | 2023-11-24 | Broadband dual-polarized parabolic antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221126259U (en) |
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2023
- 2023-11-24 CN CN202323187562.5U patent/CN221126259U/en active Active
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