CN218039809U - Four-port wide-frequency antenna - Google Patents
Four-port wide-frequency antenna Download PDFInfo
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- CN218039809U CN218039809U CN202221551147.6U CN202221551147U CN218039809U CN 218039809 U CN218039809 U CN 218039809U CN 202221551147 U CN202221551147 U CN 202221551147U CN 218039809 U CN218039809 U CN 218039809U
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Abstract
The utility model relates to the field of broadband antennas, in particular to a four-port broadband antenna, which comprises a reflecting plate, wherein four corners of the reflecting plate are provided with four groups of radiating units, and each group of radiating units consists of a low-frequency radiating unit and a high-frequency excitation unit; the low-frequency radiation unit consists of a group of symmetrical vibrators, namely a low-frequency negative electrode and a low-frequency positive electrode, and is also provided with a feed point which is connected with the low-frequency positive electrode through a high-impedance line; a high-frequency monopole is led out from the other side of the feed point and serves as a high-frequency excitation unit. The utility model provides a four port wide-band antenna, most parts are thin sheet metal component, have small, light in weight, simple structure, convenient assembling, characteristics with low costs to can be convenient, the outdoor router of specially adapted.
Description
Technical Field
The utility model relates to a wide band antenna technical field especially relates to a four-port wide band antenna.
Background
The frequency of each port of the four-port broadband antenna covers 700-960MHz and 1710-3800MHz, and most frequency bands in 2G,3G,4G and 5G are contained. The existing four-port broadband antenna has large volume and heavy weight, is inconvenient to carry and is not suitable for outdoor routers.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art, and provides a four-port wide-frequency antenna.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a four-port wide-frequency antenna comprises a reflecting plate, wherein four corners of the reflecting plate are provided with four groups of radiation units, and each group of radiation units consists of a low-frequency radiation unit and a high-frequency excitation unit;
the low-frequency radiating unit consists of a group of symmetrical vibrators, namely a low-frequency negative electrode and a low-frequency positive electrode, and is also provided with a feed point which is connected with the low-frequency positive electrode through a high-impedance line; a high-frequency monopole is led out from the other side of the feed point and serves as a high-frequency excitation unit.
Preferably, the low-frequency cathodes are formed by extending and bending corners of the reflecting plate, the low-frequency cathodes and the reflecting plate are integrated, the two adjacent low-frequency cathodes are distributed orthogonally, the low-frequency anodes are formed by bending a long metal strip into a U shape, and the heights of the low-frequency cathodes and the low-frequency anodes are consistent.
Preferably, a short arm is extended from the feeding point, a high-frequency monopole is bent to serve as a high-frequency excitation unit, and a guide piece is arranged above the high-frequency excitation unit.
Preferably, an open-circuit impedance line is disposed in the high impedance line.
Preferably, an L-shaped reflecting surrounding edge is arranged on the outer side of each group of the radiation units.
Preferably, each group of the radiation units has only one output port, the output ports are connected with the cable arranging card through coaxial cables, and the coaxial cables and the cable arranging card are arranged on the back side of the reflection plate.
The beneficial effects of the utility model are that:
the utility model provides a four port wide-band antenna, most parts are thin sheet metal component, have small, light in weight, simple structure, convenient assembling, characteristics with low costs to can be convenient, the outdoor router of specially adapted.
Drawings
Fig. 1 is a schematic structural view of a four-port wide-band antenna according to the present invention;
fig. 2 is a schematic rear view of a four-port wide-band antenna according to the present invention;
fig. 3 is a schematic view of a radiation structure of a four-port wide-band antenna according to the present invention.
In the figure: the antenna comprises a reflector 1, a radiating element 2, a cable arranging card 3, a coaxial cable 4, a feed point 21, a high-frequency excitation unit 22, a low-frequency positive electrode 23, a low-frequency negative electrode 24, a high-impedance line 25, an open-circuit impedance line 26, a leading-to piece 27 and a surrounding edge 28.
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.
In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element 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.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, a four-port wide-band antenna includes a reflection plate 1, four corners of the reflection plate 1 are provided with four groups of radiation units 2, each group of radiation units 2 is composed of a low-frequency radiation unit and a high-frequency excitation unit 22;
the low-frequency radiating unit consists of a group of symmetrical vibrators, namely a low-frequency cathode 24 and a low-frequency anode 23, the radiating unit 2 is also provided with a feeding point 21, and the feeding point 21 is connected with the low-frequency anode 23 through a high-impedance line 25; a high-frequency monopole is led out from the other side of the feed point 21 and serves as a high-frequency excitation unit 22; and an open-circuit impedance line 26 is arranged in the high-impedance line 25, and the open-circuit impedance line 26 reduces clutter interference and improves radiation performance. The outer side of each group of radiating elements 2 is provided with an L-shaped reflecting surrounding edge 28.
The low-frequency cathodes 24 are formed by extending and bending corners of the reflecting plate 1, are integrated with the reflecting plate 1, are orthogonally distributed between two adjacent low-frequency cathodes 24, the low-frequency anode 23 is formed by bending a long metal strip into a U shape, and the low-frequency cathodes 24 and the low-frequency anodes 23 are identical in height.
Wherein, a short arm is extended from the feeding point 21, a high-frequency monopole is bent to be used as the high-frequency excitation unit 22, and a guiding sheet 27 is arranged above the high-frequency excitation unit 22.
Moreover, each group of the radiation units 2 has only one output port, the output port is connected with the cable arranging card 3 through a coaxial cable 4, and the coaxial cable 4 and the cable arranging card 3 are both arranged at the back side of the reflecting plate 1.
In this embodiment, the reflection plate 1 is a 200 × 200mm square metal plate, four groups of the same radiation units 2 are arranged on the reflection plate 1 and distributed at four corners of the reflection plate 1, and the radiation units 2 of each adjacent group are orthogonally distributed, that is, 90 degrees are formed between the radiation units, so that signals of two adjacent ports are cross-polarized, the isolation between the signals is improved, and the signal interference is reduced.
And each group of radiation units has only one output port (all covering 2G,3G,4G,5G frequency bands). A section of high-impedance line 25 is connected with the low-frequency anode 23 of the low-frequency radiating element at the feeding point 21; the high-impedance line is provided with an open-circuit impedance line, so that clutter interference is reduced, and radiation performance is improved. A high-frequency monopole is led out from the other side of the feeding point 21 to be used as a high-frequency excitation unit 22, and the two are in a parallel feeding state.
The main parts of the reflecting plate 1, each radiation unit and the like of the whole antenna are thin-wall sheet metal parts, the thickness of the sheet is 0.3-1mm, the whole antenna is light, the structure is simple, the cost is very low, and the antenna is beneficial to mass production; every two adjacent radiation units among the four radiation units are orthogonally arranged, can freely form a working state of +/-45-degree polarization or horizontal and vertical polarization, and are suitable for a multi-input multi-output system.
The utility model discloses in, four port wide-band antenna not only possess higher radiation performance, better radiation effect, overall structure is compact moreover, and is slim and graceful, and simple structure does benefit to mass production.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A four-port wide-frequency antenna comprises a reflecting plate (1), and is characterized in that four corners of the reflecting plate (1) are provided with four groups of radiation units (2), and each group of radiation units (2) consists of a low-frequency radiation unit and a high-frequency excitation unit (22);
the low-frequency radiating unit consists of a group of symmetrical vibrators, namely a low-frequency negative electrode (24) and a low-frequency positive electrode (23), the radiating unit (2) is also provided with a feeding point (21), and the feeding point (21) is connected with the low-frequency positive electrode (23) through a high-impedance line (25); a high-frequency monopole is led out from the other side of the feeding point (21) to be used as a high-frequency excitation unit (22).
2. The four-port wide-band antenna according to claim 1, wherein the low-frequency cathodes (24) are formed by extending and bending corners of the reflecting plate (1) and are integrated with the reflecting plate (1), two adjacent low-frequency cathodes (24) are orthogonally distributed, the low-frequency anodes (23) are formed by bending a long metal strip into a U shape, and the heights of the low-frequency cathodes (24) and the low-frequency anodes (23) are consistent.
3. The four-port wide-band antenna according to claim 1, wherein a short arm is extended from the feeding point (21), a high-frequency monopole is bent to serve as the high-frequency excitation unit (22), and a guiding sheet (27) is disposed above the high-frequency excitation unit (22).
4. Four-port broadband antenna according to claim 1, characterized in that one open-circuit impedance line (26) is arranged in the high-impedance line (25).
5. Four-port broadband antenna according to claim 1, characterized in that the outer sides of each group of radiating elements (2) are provided with L-shaped reflecting skirts (28).
6. Four-port broadband antenna according to claim 1, characterized in that there is only one output port on each group of radiating elements (2), the output port is connected to the cable management card (3) through a coaxial cable (4), and the coaxial cable (4) and the cable management card (3) are both arranged on the back side of the reflector plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221551147.6U CN218039809U (en) | 2022-06-20 | 2022-06-20 | Four-port wide-frequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221551147.6U CN218039809U (en) | 2022-06-20 | 2022-06-20 | Four-port wide-frequency antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218039809U true CN218039809U (en) | 2022-12-13 |
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ID=84377201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221551147.6U Active CN218039809U (en) | 2022-06-20 | 2022-06-20 | Four-port wide-frequency antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218039809U (en) |
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2022
- 2022-06-20 CN CN202221551147.6U patent/CN218039809U/en active Active
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