CN216903345U - Shunt-fed omnidirectional antenna - Google Patents
Shunt-fed omnidirectional antenna Download PDFInfo
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- CN216903345U CN216903345U CN202220623711.4U CN202220623711U CN216903345U CN 216903345 U CN216903345 U CN 216903345U CN 202220623711 U CN202220623711 U CN 202220623711U CN 216903345 U CN216903345 U CN 216903345U
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Abstract
The utility model provides a shunt-feed omnidirectional antenna, which comprises: the feed network board is symmetrically provided with a plurality of slots in the middle, one end of the top of the feed network board is provided with a main feed end, the main feed end is connected with a power divider, the main feed end is divided into a plurality of parallel feed networks through the power divider, and the parallel feed networks are connected with the slots; the vibrator board is provided with a plurality of vibrator units, and one side of each vibrator unit is provided with a unit feed point; the vibrator panel is vertically embedded into the feed network panel through the slot, the unit feed points are connected with the parallel feed network through the slot, and the parallel feed network feeds the vibrator unit through the unit feed points. According to the utility model, the oscillator board is vertically embedded into the feed network board through the slot, the oscillator board is vertically connected in the middle, and the size of the antenna is reduced to the greatest extent.
Description
Technical Field
The utility model relates to the technical field of microstrip antennas, in particular to a shunt-feed omnidirectional antenna.
Background
In recent decades, with the continuous development of information and electronic technologies, various new technologies and inventions have emerged, wherein the rapid development of microwave integrated circuits and very large scale integrated circuits has prompted the development of electronic devices in the fields of modern radar, telemetry, satellite communication, mobile communication, electronic countermeasure, etc., toward miniaturization, multi-functionalization, and information processing intelligence. More and more electronic devices meeting different requirements and various antennas matched with the electronic devices are integrated on a limited range of platforms, and fewer devices are expected to realize more functions.
In a wireless communication system, the omnidirectional antenna has wide application value. Particularly, the antenna has the advantages of both broadband and high gain by adopting parallel feed, but the problems of complex antenna structure, overlarge size and the like are faced, so that the research on the omnidirectional antenna with broadband, high gain, simple structure and moderate size is very meaningful.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a shunt-feed omnidirectional antenna to solve the technical problems of complex antenna structure and overlarge size in the related art.
The utility model provides a shunt-feed omnidirectional antenna, which comprises:
the feed network board is symmetrically provided with a plurality of slots in the middle, one end of the top of the feed network board is provided with a main feed end, the main feed end is connected with a power divider, the main feed end is divided into a plurality of parallel feed networks through the power divider, and the parallel feed networks are connected with the slots;
the vibrator plate is provided with a plurality of vibrator units, and one side of each vibrator unit is provided with a unit feed point;
the oscillator board is vertically embedded into the feed network board through the slot, the unit feed point is connected with the parallel feed network through the slot, and the parallel feed network feeds the oscillator unit through the unit feed point.
Optionally, the parallel feed network is divided into parallel double lines by the power divider.
Optionally, two surfaces of the feed network board and the oscillator board are printed with a corresponding parallel feed network and an oscillator unit respectively.
Optionally, the oscillator board is a double-sided copper-clad plate.
Compared with the prior art, the utility model has the following beneficial effects:
in the technology of the utility model, a slot is arranged in the middle of the feed network board, and the oscillator board is vertically embedded into the feed network board through the slot, so that the unit feed points on the oscillator board are connected with the parallel feed network on the feed network board, and the oscillator board is vertically connected in the middle, thereby reducing the size of the antenna to the maximum extent.
Drawings
FIG. 1 is a schematic diagram of a feed network board structure according to the present invention;
fig. 2 is a schematic diagram of a vibrator plate structure according to the present invention.
The reference numbers illustrate:
1. a feed network board; 2. a vibrator plate; 3. a vibrator unit; 4. grooving; 5. a main feed end; 6 power divider; 7. a cell feed point; 8. and a parallel feed network.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
In order to make the objects, technical solutions and beneficial effects of the present invention more clearly apparent, the technical solutions of the present invention are further described below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 and 2, the present invention provides a shunt-fed omni directional antenna, including:
the feed network board 1 is provided with a plurality of slots 4 in the middle, one end of the top of the feed network board 1 is provided with a main feed end 5, the main feed end 5 is connected with a power divider 6, the main feed end 5 is divided into a plurality of parallel feed networks 8 through the power divider 6, and the parallel feed networks 8 are connected with the slots;
the oscillator plate 2 is provided with a plurality of oscillator units 3, and one side of each oscillator unit 3 is provided with a unit feed point 7;
the oscillator board 2 is vertically embedded into the feed network board 1 through the slot 4, the unit feed point 7 is connected with the parallel feed network 8 through the slot 4, and the parallel feed network 8 feeds the oscillator unit 3 through the unit feed point 7.
In this embodiment, the oscillator units 3 on the oscillator board 2 may be set to be two, four, six, eight, and the like, preferably four, and the four oscillator units 3 are vertically arranged on the oscillator board 2, so as to form a vertical array with respect to the feed network board 1, thereby improving the antenna gain; the oscillator board 2 is vertically embedded into the feed network board 1 through the slot 4 and welded, so that the parallel feed network 8 is connected with the unit feed point 7, and the purpose of feeding is realized; the oscillator units 3 are vertically connected in the center, so that the size of the antenna is reduced, the parallel feed network 8 is simple in structure, the overall loss is reduced, and the directional diagram and the out-of-roundness of the vertical plane can be optimized to a certain extent.
Optionally, the parallel feed network 8 is divided into two parallel lines by the power divider 6.
In this embodiment, the feed network board is a 2mm double-sided copper-clad plate, and the parallel feed network 8 equally divides power to the unit feed points 7 in the slot 4 by parallel double-line feed, so as to reduce the influence of the parallel feed network 8 on the radiation unit.
Optionally, the two surfaces of the feed network board 1 and the oscillator board 2 are printed with the corresponding parallel feed network 8 and the oscillator unit 3 respectively.
In this embodiment, the total feeding end 5 of the feeding network board 1 is communicated with two sides by welding through holes, and the corresponding parallel feeding network 8 and the corresponding oscillator unit 3 are printed on two sides of the feeding network board 1 and the oscillator board 2 respectively, so as to ensure the consistency of production.
Optionally, the oscillator board 2 is a double-sided copper-clad plate.
In the embodiment, the double-sided copper clad laminate has the advantages of stable electrical insulation performance, good flatness, smooth surface, no pit and standard thickness tolerance, and is suitable for products with high-performance electronic insulation requirements.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (4)
1. A shunt-fed omni directional antenna, comprising:
the feed network board is symmetrically provided with a plurality of slots in the middle, one end of the top of the feed network board is provided with a main feed end, the main feed end is connected with a power divider, the main feed end is divided into a plurality of parallel feed networks through the power divider, and the parallel feed networks are connected with the slots;
the vibrator plate is provided with a plurality of vibrator units, and one side of each vibrator unit is provided with a unit feed point;
the oscillator board is vertically embedded into the feed network board through the slot, the unit feed point is connected with the parallel feed network through the slot, and the parallel feed network feeds the oscillator unit through the unit feed point.
2. The shunt-fed omni directional antenna according to claim 1, wherein the shunt feed network is divided into parallel dual lines by the power divider.
3. The shunt-fed omnidirectional antenna according to claim 1, wherein the feed network board and the dipole board are printed on both sides with corresponding parallel feed network and dipole units, respectively.
4. The shunt-fed omnidirectional antenna of claim 1, wherein the dipole plate is a double-sided copper-clad plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220623711.4U CN216903345U (en) | 2022-03-18 | 2022-03-18 | Shunt-fed omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220623711.4U CN216903345U (en) | 2022-03-18 | 2022-03-18 | Shunt-fed omnidirectional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216903345U true CN216903345U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220623711.4U Active CN216903345U (en) | 2022-03-18 | 2022-03-18 | Shunt-fed omnidirectional antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216903345U (en) |
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2022
- 2022-03-18 CN CN202220623711.4U patent/CN216903345U/en active Active
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