CN214043966U - Small-sized dual-polarized wall-mounted antenna - Google Patents
Small-sized dual-polarized wall-mounted antenna Download PDFInfo
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- CN214043966U CN214043966U CN202022945093.9U CN202022945093U CN214043966U CN 214043966 U CN214043966 U CN 214043966U CN 202022945093 U CN202022945093 U CN 202022945093U CN 214043966 U CN214043966 U CN 214043966U
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Abstract
The utility model discloses a small-sized dual-polarized wall-mounted antenna, which comprises a high-frequency radiation unit, a low-frequency radiation unit and a pilot frequency combiner which are arranged on one plane of a reflecting plate, wherein the high-frequency radiation unit is arranged on one side, the low-frequency radiation unit is arranged on the other side, and the high-frequency radiation unit is connected with the low-frequency radiation unit through the pilot frequency combiner; the low-frequency radiating unit comprises four low-frequency oscillators, wherein the central axes of two adjacent low-frequency oscillators are mutually vertical; the high-frequency radiation unit comprises four high-frequency oscillators, wherein the central axes of two adjacent high-frequency oscillators are vertical to each other; the first closed outer contour line of the high-frequency oscillator is formed by connecting two convex first arc lines, and/or the second closed outer contour line of the low-frequency oscillator is formed by connecting two convex second arc lines. It is thus clear that implement the utility model discloses can be under the condition that satisfies above-mentioned broadband, be favorable to promoting the miniaturization of dual polarization hanging antenna.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to a small-size dual polarization hanging antenna.
Background
An indoor distributed antenna is one of antennas of a mobile communication system, and is mainly used for indoor signal coverage. Such as meeting places, hotels, office buildings and the like, need an indoor distributed system for coverage, and adopt small indoor antennas. The dual-polarized wall-mounted antenna is applied to one of indispensable devices of WLAN and LTE wireless communication systems as an indoor distributed antenna, and the quality of the performance of the dual-polarized wall-mounted antenna directly influences the coverage effect of a network. With the rapid development of communication technology, especially the arrival of the 5G era, the market demand for broadband antennas is more and more obvious. In order to avoid affecting the indoor environment, the indoor distributed antenna is generally required to be small in size and attractive in appearance. However, most of the existing dual-polarized wall-mounted antennas in China currently have a relatively narrow bandwidth in the 1710-. Therefore, it is an urgent technical problem to solve how to promote the miniaturization of dual-polarized wall-mounted antennas under the condition of satisfying the above-mentioned broadband.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a small-size dual polarization hanging antenna is provided, under the condition that satisfies above-mentioned broadband, is favorable to promoting dual polarization hanging antenna's miniaturization.
In order to solve the technical problem, the utility model discloses a small-size dual-polarization wall-mounted antenna, including high-frequency radiating element, low-frequency radiating element and pilot frequency combiner arranged on a plane of the reflecting plate, wherein, the high-frequency radiating element is arranged on one side, the low-frequency radiating element is arranged on the other side, the high-frequency radiating element is connected with the low-frequency radiating element through the pilot frequency combiner;
the low-frequency radiating unit comprises four low-frequency oscillators, wherein the central axes of two adjacent low-frequency oscillators are vertical to each other;
the high-frequency radiation unit comprises four high-frequency oscillators, wherein the central axes of two adjacent high-frequency oscillators are vertical to each other;
the first closed outer contour line of the high-frequency oscillator is formed by connecting two convex first arc lines,
and/or the second closed outer contour line of the low-frequency oscillator is formed by connecting two convex second arc lines.
It can be seen, the utility model discloses a small-size dual polarization hanging antenna links together low frequency radiating element and high frequency radiating element through setting up the pilot frequency combiner, and, in the low frequency radiating element, the central axis mutually perpendicular of two adjacent low frequency oscillators, constitute 45 degrees dipole pair, in the high frequency radiating element, the central axis mutually perpendicular of two adjacent high frequency oscillators, 45 degrees dipole pair has been constituted, under the condition that satisfies appropriate broadband, be favorable to realizing dual polarization hanging antenna's miniaturization, integrate, thereby be favorable to dual polarization hanging antenna's generation manufacturing and popularization and application.
As an optional implementation manner, in the present invention, a first PCB is disposed between the high frequency radiating unit and the reflection plate, a copper-clad surface of the first PCB faces the high frequency radiating unit, and the copper-clad surface of the first PCB is fixedly connected to the high frequency radiating unit through a first metal pipe.
As an optional implementation manner, in the utility model, the low frequency radiating element with be provided with the second PCB between the reflecting plate, the copper face that covers of second PCB is towards the low frequency radiating element, and, the copper face that covers of second PCB pass through second metal pipe body with low frequency radiating element fixed connection.
As an optional implementation manner, in the present invention, a metal guiding sheet is disposed above the low frequency radiation unit.
In an alternative embodiment, the high frequency oscillator of the present invention is provided with a first coaxial line and is fed through the first coaxial line,
and/or the low-frequency oscillator is provided with a second coaxial line and feeds power through the second coaxial line.
As an alternative embodiment, in the present invention, the high frequency oscillator is fixedly connected to the pilot frequency combiner through a first feeding cable,
and/or the low-frequency oscillator is fixedly connected with the pilot frequency combiner through a second feed cable.
As an optional implementation manner, in the present invention, the edge of the reflection plate is provided with a metal baffle, wherein the metal baffle is turned over to form a first preset angle relative to the plane where the reflection plate is located.
As an optional implementation manner, in the utility model discloses, be provided with a plurality of sections microstrip lines on the pilot frequency combiner, intersect between the microstrip line and form a plurality of handing-over departments.
Drawings
Fig. 1 is a schematic view of an overall structure of a small dual-polarized wall-mounted antenna according to an embodiment of the present invention;
fig. 2 is a plan view of a partial structure of the small-sized dual-polarized wall-mounted antenna shown in fig. 1.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 creative efforts belong to the protection scope of the present invention.
The terms "first," "second," and the like in the description and in the claims, and in the drawings described above, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The small dual-polarized wall-mounted antenna of the embodiment of the present invention, as shown in fig. 1, comprises a high frequency radiation unit 100, a low frequency radiation unit 200 and a pilot frequency combiner 400 arranged on a plane of a reflection plate 300, wherein the high frequency radiation unit 100 is arranged on one side, the low frequency radiation unit 200 is arranged on the other side, and the high frequency radiation unit 100 is connected with the low frequency radiation unit 200 through the pilot frequency combiner 400;
as shown in fig. 2, the low frequency radiating unit 200 includes four low frequency oscillators 220, wherein central axes 210a, 210b of two adjacent low frequency oscillators 220 are perpendicular to each other;
as shown in fig. 2, the high-frequency radiation unit 100 includes four high-frequency vibrators 120, wherein central axes 110a, 110b of adjacent two high-frequency vibrators 120 are perpendicular to each other;
the first closed outer contour line of the high-frequency oscillator 120 is formed by connecting two convex first arc lines 121a and 121b,
and/or the second closed outer contour line of the low-frequency oscillator 220 is formed by connecting two convex second arc lines 221a and 221 b.
In the embodiment of the utility model provides an in the high frequency radiation unit, the central axis mutually perpendicular of two adjacent high frequency oscillators, this is equivalent to in the high frequency radiation unit, has set up two pairs of dipoles to, this dipole constitutes respectively-45 degrees and +45 degrees polarization. The operating frequency corresponding to the high-frequency radiation unit may be 3300MHz to 3800 MHz. Furthermore, a first closed outer contour line of the high-frequency oscillator is formed by connecting two convex first arc lines. Specifically, the shape formed by the first closed outer contour of the high-frequency oscillator may be similar to the shape of a blade as shown in fig. 1, and the outer contours on both sides of the middle part are convex.
The embodiment of the utility model provides an in, in the low frequency radiating element, the central axis mutually perpendicular of two adjacent low frequency oscillators, this is equivalent to in the low frequency radiating element, has set up two pairs of dipoles to, this dipole constitutes respectively-45 degrees and +45 degrees polarization. The working frequency corresponding to the low-frequency radiation unit may be 1710MHz to 2690 MHz. Furthermore, a second closed outer contour line of the low-frequency oscillator is formed by connecting two convex second arc lines. Specifically, the shape formed by the second closed outer contour of the low-frequency oscillator may be similar to the shape of a blade as shown in fig. 1, and the outer contours on both sides of the middle part are convex.
The embodiment of the utility model provides an in, high frequency radiation unit passes through the pilot frequency combiner and is connected with low frequency radiation unit for the radiation unit of two different frequency channels links together.
It can be seen, the utility model discloses small-size dual polarization hanging antenna links together low frequency radiating element and high frequency radiating element through setting up the pilot frequency combiner, and, in the low frequency radiating element, the central axis mutually perpendicular of two adjacent low frequency oscillators, constitute 45 degrees dipole pair, in the high frequency radiating element, the central axis mutually perpendicular of two adjacent high frequency oscillators, 45 degrees dipole pair has been constituted, under the condition that satisfies appropriate broadband, be favorable to realizing dual polarization hanging antenna's miniaturization, integrate, thereby be favorable to dual polarization hanging antenna's generation manufacturing and popularization and application.
In some specific embodiments of the present invention, as shown in fig. 1, a first PCB 500 is disposed between the high-frequency radiating unit 100 and the reflection plate 300, a copper-coated surface of the first PCB 500 faces the high-frequency radiating unit 100, and the copper-coated surface of the first PCB 500 is fixedly connected to the high-frequency radiating unit 100 through a first metal tube 510.
In this embodiment, the first metal pipe may be provided with two, and further, the first metal pipe and the copper-clad surface of the first PCB board may be fixedly connected by welding.
In this embodiment, the structure in which the copper-clad surface of the first PCB is fixedly connected to the high-frequency radiating unit via the first metal pipe may be equivalent to a structure in which a U-shaped balun is formed. This is advantageous for achieving high gain, high isolation, and excellent standing wave characteristics of the small-sized dual-polarized wall-mounted antenna.
In some specific embodiments of the present invention, as shown in fig. 1, a second PCB 600 is disposed between the low frequency radiating unit 200 and the reflective plate 300, the copper-coated surface of the second PCB 600 faces the low frequency radiating unit 200, and the copper-coated surface of the second PCB 600 is fixedly connected to the low frequency radiating unit 200 through the second metal tube 610.
In this embodiment, the number of the second metal pipe bodies may be two, and further, the copper-clad surfaces of the second metal pipe bodies and the second PCB board may be fixedly connected by welding.
In this embodiment, the structure in which the copper-clad surface of the second PCB is fixedly connected to the high-frequency radiating unit via the second metal pipe may be equivalent to a structure in which a U-shaped balun is formed. This is advantageous for achieving high gain, high isolation, and excellent standing wave characteristics of the small-sized dual-polarized wall-mounted antenna.
In this embodiment, optionally, as shown in fig. 1, a metal guide sheet 700 is disposed above the low frequency radiation unit 200. The small dual-polarized wall-mounted antenna is beneficial to adjusting the radiation performance of the low-frequency oscillator and the standing-wave ratio of the low frequency of the small dual-polarized wall-mounted antenna.
In some embodiments of the invention, the high frequency oscillator is provided with a first coaxial line, and is fed through the first coaxial line,
and/or the low-frequency oscillator is provided with a second coaxial line and is fed through the second coaxial line.
In this embodiment, the high-frequency oscillator can feed through the first coaxial line, and the low-frequency oscillator can feed through the second coaxial line, is favorable to reducing the energy loss in the feed process to be favorable to the stability and the reliability of feed, and then be favorable to this small-size dual polarization hanging antenna performance's stability.
In some embodiments of the present invention, as shown in fig. 2, the high frequency oscillator 100 is fixedly connected to the pilot frequency combiner 400 via a first feeding cable 800a,
and/or the low frequency oscillator 200 is fixedly connected with the pilot frequency combiner 400 through a second feeding cable 800 b.
In this embodiment, the high-frequency oscillator passes through first feeder cable and pilot frequency combiner fixed connection, and the low-frequency oscillator passes through second feeder cable and pilot frequency combiner fixed connection, is favorable to reducing the energy loss in the feed process to be favorable to the stability and the reliability of feed, and then be favorable to this small-size dual polarization hanging antenna performance's stability.
In some specific embodiments of the present invention, as shown in fig. 1, the edge of the reflection plate 300 is provided with a metal baffle 310, wherein the metal baffle 310 is turned over to form a first preset angle relative to the plane where the reflection plate 300 is located.
In this embodiment, the metal baffle serves to adjust the radiation performance of the small dual-polarized wall-mounted antenna.
In this embodiment, alternatively, as shown in fig. 1, the metal baffle 310 may be disposed at the edge around the reflection plate 300.
In this embodiment, optionally, the first preset angle may be adaptively adjusted according to an actual application scenario, and specifically, the first preset angle may be 90 degrees, or the first preset angle may be 60 degrees, and so on.
In some specific embodiments of the present invention, as shown in fig. 2, a plurality of microstrip lines 410 are disposed on the pilot frequency combiner 400, and the microstrip lines 410 intersect with each other to form a plurality of junctions.
In this embodiment, inside the pilot frequency combiner, the microstrip line may serve as a medium for energy propagation.
Finally, it should be noted that: the small dual-polarized wall-mounted antenna disclosed in the embodiment of the present invention is only a preferred embodiment of the present invention, and is only used for illustrating the technical solution of the present invention, not limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; 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 depart from the spirit and scope of the embodiments of the present invention.
Claims (8)
1. A small dual-polarized wall-mounted antenna is characterized by comprising a high-frequency radiation unit, a low-frequency radiation unit and a pilot frequency combiner which are arranged on one plane of a reflecting plate, wherein the high-frequency radiation unit is arranged on one side, the low-frequency radiation unit is arranged on the other side, and the high-frequency radiation unit is connected with the low-frequency radiation unit through the pilot frequency combiner;
the low-frequency radiating unit comprises four low-frequency oscillators, wherein the central axes of two adjacent low-frequency oscillators are vertical to each other;
the high-frequency radiation unit comprises four high-frequency oscillators, wherein the central axes of two adjacent high-frequency oscillators are vertical to each other;
the first closed outer contour line of the high-frequency oscillator is formed by connecting two convex first arc lines,
and/or the second closed outer contour line of the low-frequency oscillator is formed by connecting two convex second arc lines.
2. A small-sized dual-polarized wall-mounted antenna according to claim 1, wherein a first PCB is disposed between the high-frequency radiating element and the reflector, a copper-clad surface of the first PCB faces the high-frequency radiating element, and the copper-clad surface of the first PCB is fixedly connected to the high-frequency radiating element through a first metal tube.
3. A small-sized dual-polarized wall-mounted antenna according to claim 1, wherein a second PCB is disposed between the low-frequency radiating element and the reflector, a copper-clad surface of the second PCB faces the low-frequency radiating element, and the copper-clad surface of the second PCB is fixedly connected to the low-frequency radiating element through a second metal tube.
4. A small-sized dual-polarized wall-mounted antenna according to claim 3, wherein a metal guide sheet is disposed above the low-frequency radiating element.
5. A small-sized dual-polarized wall-mounted antenna according to claim 1, wherein said high-frequency element is provided with a first coaxial line and is fed by said first coaxial line,
and/or the low-frequency oscillator is provided with a second coaxial line and feeds power through the second coaxial line.
6. A small-sized dual-polarized wall-mounted antenna according to claim 1, wherein said high-frequency element is fixedly connected to said pilot frequency combiner via a first feeding cable,
and/or the low-frequency oscillator is fixedly connected with the pilot frequency combiner through a second feed cable.
7. A small-sized dual-polarized wall-mounted antenna according to any one of claims 1 to 6, wherein the edge of the reflector is provided with a metal baffle, and the metal baffle is folded to form a first preset angle relative to the plane of the reflector.
8. A small-sized dual-polarized wall-mounted antenna according to any one of claims 1 to 6, wherein the different-frequency combiner is provided with a plurality of microstrip lines, and the microstrip lines intersect with each other to form a plurality of junctions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022945093.9U CN214043966U (en) | 2020-12-10 | 2020-12-10 | Small-sized dual-polarized wall-mounted antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022945093.9U CN214043966U (en) | 2020-12-10 | 2020-12-10 | Small-sized dual-polarized wall-mounted antenna |
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| Publication Number | Publication Date |
|---|---|
| CN214043966U true CN214043966U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022945093.9U Active CN214043966U (en) | 2020-12-10 | 2020-12-10 | Small-sized dual-polarized wall-mounted antenna |
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| CN (1) | CN214043966U (en) |
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- 2020-12-10 CN CN202022945093.9U patent/CN214043966U/en active Active
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