CN209747709U - Dual-polarized Vivaldi ultra-wideband antenna - Google Patents
Dual-polarized Vivaldi ultra-wideband antenna Download PDFInfo
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- CN209747709U CN209747709U CN201920650249.5U CN201920650249U CN209747709U CN 209747709 U CN209747709 U CN 209747709U CN 201920650249 U CN201920650249 U CN 201920650249U CN 209747709 U CN209747709 U CN 209747709U
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Abstract
The utility model discloses a double polarization Vivaldi ultra wide band antenna, the antenna includes: the integrated box is characterized in that the internal space of the integrated box is a cuboid cavity, the cavity comprises a first edge, a second edge and a third edge which are perpendicular to each other in pairs and have successively decreasing lengths, and the integrated box is made of a wave-transmitting medium material; a first polarized Vivaldi antenna disposed in the integrated box, the first polarized Vivaldi antenna mounted proximate an inner wall of the integrated box, the first polarized Vivaldi antenna being parallel to a first side and a second side of the cavity, a width of the first polarized Vivaldi antenna being less than a length of the second side of the cavity by no more than a predetermined distance; a second polarized Vivaldi antenna; a first feed port; and a second feed port. The beneficial effects of the utility model are that the convenience of multipolar antenna installation has been improved to reduce the occupation space of multipolar radar antenna, simultaneously, integrated box still has protect function to inside Vivaldi antenna.
Description
Technical Field
the utility model belongs to the radar measurement field, concretely relates to double polarization Vivaldi ultra wide band antenna.
Background
The Vivaldi antenna is an antenna capable of efficiently transmitting or receiving ultra-wideband electromagnetic waves, and is widely applied to the fields of communication, radar measurement and the like. The multi-polarization and full-polarization ultra-wideband radar has the advantage of abundant information of measurement signal targets, and is a hotspot for the development of ultra-wideband radars in recent years. The Vivaldi antenna has the characteristic of a planar structure, and the multi-polarization measurement function of the radar is easily realized through a mutually perpendicular arrangement mode, so that the Vivaldi antenna is an antenna form commonly adopted by multi-polarization ultra-wideband radar at present. However, because the multi-polarization radar, especially the multi-polarization three-dimensional radar, needs more antennas (4 times of the number of the antennas of the general single-polarization radar), how to conveniently install and reduce the occupied space of the antennas is a key problem in designing the multi-polarization radar.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a double polarization Vivaldi ultra wide band antenna, the utility model discloses a partial embodiment can integrate two vertical arrangement's Vivaldi antenna, has improved the convenience of multipolarization antenna installation to reduce the occupation space of multipolarization radar antenna, simultaneously, integrated box still has protect function to inside Vivaldi antenna.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
A dual polarized Vivaldi ultra-wideband antenna, the antenna comprising: the integrated box is characterized in that the internal space of the integrated box is a cuboid cavity, the cavity comprises a first edge, a second edge and a third edge which are perpendicular to each other in pairs and have successively decreasing lengths, and the integrated box is made of a wave-transmitting medium material; a first polarized Vivaldi antenna disposed in the integrated box, the first polarized Vivaldi antenna mounted proximate an inner wall of the integrated box, the first polarized Vivaldi antenna being parallel to a first side and a second side of the cavity, a width of the first polarized Vivaldi antenna being less than a length of the second side of the cavity by no more than a predetermined distance; a second polarized Vivaldi antenna disposed in the integrated box, the second polarized Vivaldi antenna mounted proximate to an inner wall of the integrated box, the second polarized Vivaldi antenna parallel to the first and third sides of the cavity; a first feed port connected to the first polarized Vivaldi antenna; and
A second feed port connected to the second polarized Vivaldi antenna.
Preferably, the predetermined distance is 0.02 m.
preferably, the width of the second polarized Vivaldi antenna is equal to the length of the third side of the cavity.
Preferably, the side wall of the integrated box where the second edge and the third edge of the cavity are located is provided with a through hole for the first feeding port and the second feeding port to pass through.
Preferably, the larger end of the slot with the exponential shape on the first polarized Vivaldi antenna and the second polarized Vivaldi antenna is farther from the side wall of the integration box where the second edge and the third edge of the cavity are located than the smaller other end of the slot with the exponential shape.
Preferably, the wave-transparent dielectric material is an ABS engineering plastic with a dielectric constant of 3.
Preferably, the length and width of the first side, the second side and the third side of the cavity are 0.252m, 0.173m and 0.118m in sequence.
Preferably, the outside of the integrated box is a cuboid, the third edge of the integrated box is vertical, the thickness of the integrated box is 3mm, the length of the first polarized Vivaldi antenna is 0.252m, and the width of the first polarized Vivaldi antenna is 0.16 m; the length of the second polarized Vivaldi antenna is 0.252m and the width is 0.118 m.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model adopts a single integrated box to realize the installation of two Vivaldi antennas, improves the compactness of the multi-polarization radar antenna, and has very beneficial effects on reducing the occupation space of the multi-polarization radar and realizing the miniaturization of the radar;
2. The utility model discloses the mounting box has the protective action such as damage prevention, anti-aging to inside Vivaldi antenna, has beneficial effect to the modularization installation of multipolarization radar antenna, routine maintenance etc.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
fig. 2 is a schematic top view of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in fig. 1-2, the present embodiment provides a dual-polarized Vivaldi ultra-wideband antenna, which includes: the integrated box 1 is characterized in that the internal space of the integrated box 1 is a cuboid cavity, the cavity comprises a first edge 11, a second edge 12 and a third edge 13 which are perpendicular to each other in pairs and have successively decreasing lengths, and the integrated box 1 is made of a wave-transparent dielectric material; a first polarized Vivaldi antenna 2, the first polarized Vivaldi antenna 2 being arranged in the integrated box 1, the first polarized Vivaldi antenna 2 being mounted in close proximity to an inner wall of the integrated box 1, the first polarized Vivaldi antenna 2 being parallel to the first and second sides 11, 12 of the cavity, the width of the first polarized Vivaldi antenna 2 being less than the length of the second side 12 of the cavity by no more than a predetermined distance; a second polarized Vivaldi antenna 3, the second polarized Vivaldi antenna 3 being arranged in the integrated box 1, the second polarized Vivaldi antenna 3 being mounted next to the inner wall of the integrated box 1, the second polarized Vivaldi antenna 3 being parallel to the first side 11, the third side 13 of the cavity; a first feeding port 4, the first feeding port 4 being connected to the first polarized Vivaldi antenna 2; and
A second feeding port 5, the second feeding port 5 being connected to a second polarized Vivaldi antenna 3.
The predetermined distance is 0.02 m.
The width of the second polarized Vivaldi antenna 3 is equal to the length of the third side 13 of the cavity.
the side walls of the integrated box 1 where the second side 12 and the third side 13 of the cavity are located are provided with through holes for the first feeding port 4 and the second feeding port 5 to pass through.
the larger end of the slot with the exponential shape on the first polarized Vivaldi antenna 2 and the second polarized Vivaldi antenna 3 is farther from the side wall of the integrated box 1 where the second side 12 and the third side 13 of the cavity are located than the smaller other end.
the wave-transmitting dielectric material is ABS engineering plastic with the dielectric constant of 3.
The length and width of the first side 11, the second side 12 and the third side 13 of the cavity are 0.252m, 0.173m and 0.118m in sequence.
The outside of the integrated box 1 is a cuboid, the third edge 13 of the integrated box 1 is vertical, the thickness of the integrated box 1 is 3mm, the length of the first polarized Vivaldi antenna 2 is 0.252m, and the width of the first polarized Vivaldi antenna is 0.16 m; the length of the second polarized Vivaldi antenna 3 is 0.252m and the width is 0.118 m.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications or improvements based on the disclosure of the present invention can be made without departing from the spirit and scope of the present invention, and these modifications and improvements are within the spirit and scope of the present invention.
Claims (8)
1. A dual polarized Vivaldi ultra wide band antenna, said antenna comprising:
The integrated box (1), the internal space of the integrated box (1) is a cuboid cavity, the cavity comprises a first edge (11), a second edge (12) and a third edge (13), the first edge, the second edge and the third edge are perpendicular to each other in pairs, the lengths of the first edge, the second edge and the third edge are sequentially decreased in a descending manner, and the integrated box (1) is made of a wave-transparent dielectric material;
A first polarized Vivaldi antenna (2), the first polarized Vivaldi antenna (2) being arranged in the integrated box (1), the first polarized Vivaldi antenna (2) being mounted in close proximity to an inner wall of the integrated box (1), the first polarized Vivaldi antenna (2) being parallel to a first side (11), a second side (12) of the cavity, a width of the first polarized Vivaldi antenna (2) being smaller than a length of the second side (12) of the cavity by no more than a predetermined distance;
A second polarized Vivaldi antenna (3), said second polarized Vivaldi antenna (3) being arranged in said integrated box (1), said second polarized Vivaldi antenna (3) being mounted in close proximity to the inner wall of said integrated box (1), said second polarized Vivaldi antenna (3) being parallel to the first (11), third (13) side of said cavity;
A first feeding port (4), said first feeding port (4) being connected with said first polarized Vivaldi antenna (2); and
A second feed port (5), said second feed port (5) being connected to said second polarized Vivaldi antenna (3).
2. The dual polarized Vivaldi ultra wide band antenna of claim 1, wherein the predetermined distance is 0.02 m.
3. A dual polarized Vivaldi ultra wide band antenna according to claim 1, characterized in that the width of the second polarized Vivaldi antenna (3) is equal to the length of the third side (13) of the cavity.
4. The dual polarized Vivaldi ultra wide band antenna according to claim 1, characterized in that the side walls of the integrated box (1) where the second (12) and third (13) sides of the cavity are located are provided with through holes for the first (4) and second (5) feeding ports to pass through.
5. A dual polarized Vivaldi ultra wide band antenna according to claim 4, characterised in that the larger end of the slot with exponential shape on the first polarized Vivaldi antenna (2), the second polarized Vivaldi antenna (3) is further from the side wall of the integrated box (1) where the second (12), the third (13) side of the cavity is located than the smaller other end.
6. The dual polarized Vivaldi ultra wide band antenna of claim 1, wherein said wave-transparent dielectric material is ABS engineering plastic with a dielectric constant of 3.
7. The dual polarized Vivaldi ultra wide band antenna according to claim 1, characterized in that the length and width of the first (11), second (12) and third (13) sides of the cavity are in the order of 0.252m, 0.173m and 0.118 m.
8. A dual polarized Vivaldi ultra wide band antenna according to claim 7, wherein the outside of the integrated box (1) is a cuboid, the third side (13) of the integrated box (1) is vertical, the thickness of the integrated box (1) is 3mm, the length of the first polarized Vivaldi antenna (2) is 0.252m and the width is 0.16 m; the length of the second polarized Vivaldi antenna (3) is 0.252m and the width is 0.118 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920650249.5U CN209747709U (en) | 2019-05-08 | 2019-05-08 | Dual-polarized Vivaldi ultra-wideband antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920650249.5U CN209747709U (en) | 2019-05-08 | 2019-05-08 | Dual-polarized Vivaldi ultra-wideband antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209747709U true CN209747709U (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920650249.5U Active CN209747709U (en) | 2019-05-08 | 2019-05-08 | Dual-polarized Vivaldi ultra-wideband antenna |
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| Country | Link |
|---|---|
| CN (1) | CN209747709U (en) |
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2019
- 2019-05-08 CN CN201920650249.5U patent/CN209747709U/en active Active
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