CN216161919U - Ultra-wideband directional antenna - Google Patents
Ultra-wideband directional antenna Download PDFInfo
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- CN216161919U CN216161919U CN202122265574.XU CN202122265574U CN216161919U CN 216161919 U CN216161919 U CN 216161919U CN 202122265574 U CN202122265574 U CN 202122265574U CN 216161919 U CN216161919 U CN 216161919U
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Abstract
The utility model discloses an ultra-wideband directional antenna, which is applied to the technical field of wireless communication. The ultra-wideband directional antenna comprises a dipole antenna module, a reflecting dielectric plate, a coaxial line module and a plastic connecting column; a first through hole is formed in the center of the reflecting dielectric plate, a second through hole is formed in the center of the dipole antenna template, and the coaxial line module penetrates through the first through hole, the plastic connecting column and the second through hole and is connected with the dipole antenna module; the front surface of the dipole antenna module is provided with a first radiation unit, and the side of the dipole antenna module is provided with a second radiation unit; the coaxial line module comprises an outer conductor and an inner conductor, the outer conductor is welded with the reflecting dielectric plate and the second radiation unit, the inner conductor is welded with the first radiation unit, and the directional gain of the ultra-wideband directional antenna can be adjusted by adjusting the structures of the reflecting plate and the dipole antenna module according to application scenes.
Description
Technical Field
The utility model relates to the technical field of electronics, in particular to an ultra-wideband directional antenna.
Background
At present, in common ultra-wideband antennas, research on the working frequency band of the standing-wave ratio of the antenna is generally focused. From the perspective of the radiation performance of the antenna, when the antenna operates in the ultra-wideband mode, in order to make the operating frequency band as wide as possible, a plurality of operating modes exist in the frequency band, and at this time, the radiation direction of the antenna changes significantly with the change of the frequency.
The common application form of the traction antenna is that the traction antenna is loaded on a directional antenna, the directional performance of the antenna is enhanced, and the radiation gain of the traction antenna in a specified direction is improved.
In a general directional antenna, when the antenna is installed, the distance between the radiation patch and the floor is too close, and after the installation is finished, the adjustment is difficult to perform, so that the directional gain cannot be adjusted according to application requirements.
Disclosure of Invention
The utility model provides an ultra-wideband directional antenna, which is used for dynamically adjusting the directional gain of the ultra-wideband directional antenna.
The utility model provides an ultra-wideband directional antenna, comprising: the dipole antenna module, the reflecting dielectric plate, the coaxial line module and the plastic connecting column are arranged on the outer side of the dielectric plate;
a first through hole is formed in the center of the reflecting dielectric plate, a second through hole is formed in the center of the dipole antenna template, and the coaxial line module penetrates through the first through hole, the plastic connecting column and the second through hole and is connected with the dipole antenna module;
the front surface of the dipole antenna module is provided with a first radiation unit, and the side of the dipole antenna module is provided with a second radiation unit;
the coaxial line module comprises an outer conductor and an inner conductor, the outer conductor is welded with the reflecting dielectric plate and the second radiation unit, and the inner conductor is welded with the first radiation unit.
Further, the first radiation unit intersects with the second through hole, and the second radiation unit is tangent to the second through hole.
Further, the first radiating element of the dipole antenna module is a metal strip, and the second radiating element is a metal strip.
Furthermore, the reflecting medium plate is a medium substrate with copper coated on both sides.
The plastic connecting column is made of ABS materials.
Further, the inner conductor of the coaxial line module is a high-frequency dedicated coaxial line.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a block diagram of an ultra-wideband directional antenna in an embodiment of the present application;
figure 2 is a block diagram of an ultra-wideband directional antenna in another embodiment of the present application;
figure 3 is a block diagram of an ultra-wideband directional antenna in another embodiment of the present application;
figure 4 is a schematic diagram of an ultra-wideband directional antenna in another embodiment of the present application;
figure 5 is a schematic diagram of an ultra-wideband directional antenna in another embodiment of the present application;
figure 6 is a schematic diagram of an ultra-wideband directional antenna in another embodiment of the present application.
Description of reference numerals: a dipole antenna module 10; a first radiation unit 111; a second radiation unit 112; a first via hole 311; a coaxial line module 20; a reflective medium plate 30; a second through hole 113; a plastic connecting post 40.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Implementations of the present application are described in detail below with reference to the following detailed drawings:
an embodiment of the present invention provides an ultra-wideband directional antenna, as shown in fig. 1, fig. 2, and fig. 3, including a dipole antenna module 10, a reflective dielectric plate 30, a coaxial line module 20, and a plastic connecting column 40;
a first through hole 311 is formed in the center of the reflecting dielectric plate 30, a second through hole 113 is formed in the center of the dipole antenna template, and the coaxial line module 20 passes through the first through hole 311, the plastic connecting column 40 and the second through hole 113 to be connected with the dipole antenna module 10;
the front surface of the dipole antenna module 10 is provided with a first radiation unit 111, and the side of the dipole antenna module 10 is provided with a second radiation unit 112;
the coaxial line module 20 includes an outer conductor soldered to the reflective dielectric plate 30 and the second radiation element 112, and an inner conductor soldered to the first radiation element 111.
Specifically, the dipole antenna module 10 serves as a main dielectric plate, and the reflective dielectric plate 30 is used for adjusting the beam width of the ultra-wideband directional antenna.
The coaxial line module 20 is connected to the dipole antenna module 10 through the reflective dielectric plate 30 and the plastic connection post 40, an inner conductor of the coaxial line module 20 is welded to the first radiation unit 111, and an outer conductor is welded to the reflective dielectric plate 30.
The dipole antenna module 10 and the reflecting dielectric plate 30 are connected through the coaxial line module 20, the structure is simple, the directional radiation of the ultra-wideband directional antenna is realized through the reflection effect of the dipole antenna module 10 and the reflecting dielectric plate 30 on wave beams, and the directional radiation gain of the ultra-wideband directional antenna is improved.
Furthermore, the size of the reflective dielectric plate 30 is adjusted, so that the included angle of the directional radiation is changed, the directional gain is changed, and the ultra-wideband directional antenna can meet the requirements of different working environments.
As shown in fig. 4-6, directional radiation of the ultra-wideband directional antenna corresponding to different beam angles at different operating frequencies is provided.
As shown in fig. 4, when the operating frequency is 6.25GHz, the directional gain of the ultra-wideband directional antenna is corresponding to the included angle of the directional radiation.
As shown in fig. 5, when the operating frequency is 6.5GHz, the directional gain corresponding to the included angle of the directional radiation of the ultra-wideband directional antenna is obtained.
As shown in fig. 6, when the operating frequency is 6.75GHz, the directional gain of the ultra-wideband directional antenna is corresponding to the included angle of the directional radiation.
Furthermore, the beam width of the ultra-wideband directional antenna can be effectively adjusted by adjusting the size of the reflective dielectric plate 30 and the distance between the reflective dielectric plate 30 and the dipole antenna module 10, so as to meet the requirements of different working environments.
In the present embodiment, as shown in fig. 2, the first radiation unit 111 intersects the second through hole 113, and the second radiation unit 112 is tangent to the second through hole 113.
The first radiation unit 111 is intersected with the second through hole 113, and when the coaxial line module 20 and the dipole antenna module 20 are welded, the soldering tin can be connected with the first radiation unit 111, so that the radiation effect of the first radiation unit 111 on the wave beams is ensured.
The second radiation unit 112 is tangent to the second through hole 113, and the second radiation unit 112 is opposite to the reflective medium plate 30, so that the reflective area is ensured for the maximum effect, and the plastic connecting column 40 does not block the area of the second radiation unit 112.
Specifically, the dipole antenna module 10 is divided into a front side and a back side, wherein a side where the first radiation unit 111 is located is used as the front side of the dipole antenna module 10, the first radiation unit 111 intersects with the second through hole 113, and the front side of the dipole antenna template faces outward. The surface where the second radiation element 112 is located serves as the reverse surface of the dipole antenna module 10, the second radiation element 112 is tangent to the second through hole 113, and the second radiation element 112 is opposite to the reflective dielectric plate 30.
In the present embodiment, the first radiation element 111 of the dipole antenna module 10 is a metal strip, and the second radiation element 112 is a metal strip.
Specifically, the first radiation unit 111 and the second radiation unit 112 are metal strips, which are beneficial to reflecting the radiation beam.
In the present embodiment, the reflective dielectric sheet 30 is a dielectric substrate with copper on both sides.
The reflecting dielectric plate 30 is double-sided copper-clad, the copper metal is attached to the dielectric substrate to form the dielectric substrate, and the reflecting dielectric plate 30 is formed by covering the copper metal on the dielectric substrate, so that the external lead of the coaxial line module 20 can be easily welded with the reflecting dielectric plate 30.
Further, the plastic connecting column 40 is made of ABS material.
The plastic connecting column 40 has the effect of fixing the distance between the dipole antenna module 10 and the reflective dielectric plate 30, and in order to prevent the plastic connecting column 40 from affecting the beam radiation, the plastic connecting column is made of ABS plastic.
Further, the inner conductor of the coaxial line module 20 is a high-frequency dedicated coaxial line.
Specifically, in order to reduce the line loss of the inner conductor of the coaxial line module 20, a high-frequency dedicated coaxial line is adopted, and further, the working frequency band of the coaxial line is greater than or equal to 10GHz, so that the working effect of the ultra-wide directional antenna can be effectively improved.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is illustrated, and in practical applications, the above-mentioned function distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-mentioned functions.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (6)
1. The ultra-wideband directional antenna is characterized by comprising a dipole antenna module, a reflecting dielectric plate, a coaxial line module and a plastic connecting column;
a first through hole is formed in the center of the reflecting dielectric plate, a second through hole is formed in the center of the dipole antenna template, and the coaxial line module penetrates through the first through hole, the plastic connecting column and the second through hole and is connected with the dipole antenna module;
the front surface of the dipole antenna module is provided with a first radiation unit, and the side of the dipole antenna module is provided with a second radiation unit;
the coaxial line module comprises an outer conductor and an inner conductor, the outer conductor is welded with the reflecting dielectric plate and the second radiation unit, and the inner conductor is welded with the first radiation unit.
2. The ultra-wideband directional antenna of claim 1, wherein the first radiating element intersects the second via, and the second radiating element is tangential to the second via.
3. The ultra-wideband directional antenna of claim 1 or 2, wherein the first radiating element of the dipole antenna module is a metal strip and the second radiating element is a metal strip.
4. The ultra-wideband directional antenna of claim 1, wherein the reflective dielectric sheet is a double-sided copper-clad dielectric substrate.
5. The ultra-wideband directional antenna of claim 1, wherein the plastic connection post is ABS material.
6. The ultra-wideband directional antenna of claim 1, wherein the inner conductor of the coaxial line module is a high frequency dedicated coaxial line.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122265574.XU CN216161919U (en) | 2021-09-17 | 2021-09-17 | Ultra-wideband directional antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122265574.XU CN216161919U (en) | 2021-09-17 | 2021-09-17 | Ultra-wideband directional antenna |
Publications (1)
Publication Number | Publication Date |
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CN216161919U true CN216161919U (en) | 2022-04-01 |
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CN202122265574.XU Active CN216161919U (en) | 2021-09-17 | 2021-09-17 | Ultra-wideband directional antenna |
Country Status (1)
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CN (1) | CN216161919U (en) |
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2021
- 2021-09-17 CN CN202122265574.XU patent/CN216161919U/en active Active
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