CN210692764U - Base station antenna for 5G - Google Patents
Base station antenna for 5G Download PDFInfo
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- CN210692764U CN210692764U CN201922075775.6U CN201922075775U CN210692764U CN 210692764 U CN210692764 U CN 210692764U CN 201922075775 U CN201922075775 U CN 201922075775U CN 210692764 U CN210692764 U CN 210692764U
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Abstract
The utility model relates to a base station antenna for 5G, its characterized in that: comprises a reflecting plate, a radiation array group and a connector; the radiation array group is arranged on the reflecting plate along the extending direction of the reflecting plate; the connector is arranged on one end of the reflecting plate; by controlling the combination form of the radiation units, two groups of radiation arrays with two rows and two columns are arranged on the reflecting plate, and the two groups of radiation arrays enable the whole base station antenna to form a high-performance high-frequency single-polarized antenna, so that the antenna has the advantages of wide coverage frequency band and strong anti-interference capability; the radiating unit adopts a dual-polarized oscillator arm structure, the horizontal radiation width of the radiating unit reaches 65 +/-5 degrees, and the coverage range of the antenna is large; two groups of radiation arrays which can be assembled are adopted, so that rapid installation and disassembly can be realized, and the modularized structure is convenient to produce and assemble; in addition, the adoption of the array group can reduce the material consumption of the reflecting plate and reduce the production cost on the basis of realizing the same kettle cover frequency band.
Description
Technical Field
The utility model relates to an antenna technology field especially relates to a base station antenna for 5G.
Background
Mobile communication and the internet are two major services which have the fastest development, the largest market potential and the most attractive prospect in the telecommunication industry in the world today; with the activation of 5 th generation mobile communication systems (hereinafter referred to as 5G), 5G wireless mobile communication technologies have attracted considerable attention.
As a receiving and transmitting device of electromagnetic waves, the transmission coverage of signals in the mobile communication technology cannot be separated from base station antennas, and a high-frequency electric tilt antenna is an indispensable component of each base station, and the performance of the high-frequency electric tilt antenna directly influences the communication quality; the radiation unit is a basic component of the high-frequency electric tilt antenna and is a key component influencing the performance of the high-frequency electric tilt antenna.
Due to the particularity of the antenna, the sizes of all parts have important influence on all performance indexes of the antenna; therefore, optimizing the structure and size of the antenna based on the known antenna structure to obtain better performance parameters is a research topic in the communication industry at present.
For example, a high-performance dual-frequency dual-polarized electrically tunable antenna disclosed in patent No. 201310386801.1 includes a reflection plate, a bowl-shaped low-frequency oscillator, a diamond-shaped high-frequency oscillator, a feeder network, a phase shifter and a phase shift driving mechanism; the mechanism adopts a single-row high-frequency oscillator, and four ports are adopted for outputting, so that the dual-frequency dual-polarized electrically-tunable antenna has the defect of certain coverage frequency band; and the antenna adopts a conventional two-column parallel oscillator structure, the oscillator arrangement mode has higher requirement on the width of the reflecting plate, and the processing materials are wasted due to the need of increasing the width of the reflecting plate.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a 5G is with basic station antenna, can solve the defect of general antenna array cover frequency channel and the not enough problem of interference killing feature to and the big problem of the consumptive material of reflecting plate in the realization production.
In order to solve the technical problem, the utility model adopts the technical scheme that: A5G base station antenna has the innovation points that: comprises a reflecting plate, a radiation array group and a connector; the radiation array group is arranged on the reflecting plate along the extending direction of the reflecting plate; the connector is arranged on one end of the reflecting plate;
two side edges of the reflecting plate in the length direction are bent towards the same side to form a reflecting wall; the radiation array group comprises two groups of radiation arrays, and the two groups of radiation arrays are both composed of two rows and two columns of radiation units; the radiation units are symmetrically arranged about the central line of the width direction of the reflector plate, and the central distance between the radiation units is 70-90 mm; the distance between the top end surface of the radiation unit and the reflecting plate is 20mm-30mm, and the radiation units are connected through a feeder network;
the two groups of radiation arrays are provided with reflecting walls along the side edges of the reflecting plate in the width direction; outer cover mounting holes are formed at four end corners of the radiation array, and the distance between every two adjacent outer cover mounting holes in the same radiation array is 130 mm;
the radiating unit comprises a first oscillator arm, a second oscillator arm and a reflector plate, and the first oscillator arm and the second oscillator arm are connected to the reflector plate through balun seats; the extending direction of the first oscillator arm is perpendicular to the second oscillator arm, and a gap is reserved between the first oscillator arm and the second oscillator arm; the first oscillator arm is connected with the second oscillator arm through a metal feed sheet; the first vibrator arm is of a linear structure; the second oscillator arm comprises a straight line section and a conical section; a groove structure for accommodating the end part of the first vibrator arm is formed at the joint of the straight line section of the second vibrator arm and the conical section of the second vibrator arm; the reflector plate is arranged at the joint of the two vibrator arms and the balun seat, the reflector plate is of a square structure, and feeder holes are formed in four end corners of the reflector plate.
Furthermore, a connecting hole for accommodating a network cable of a feeder network to pass through is arranged on the conical section structure of the second vibrator arm.
Further, the horizontal lobe width of the radiation unit is 65 degrees, and the vertical lobe width of the radiation unit is 60 degrees; the radiating element is dual polarized.
Furthermore, the front-to-back radiation ratio of the radiation unit is more than or equal to 22dB, and the voltage standing wave ratio of the radiation unit is less than or equal to 1.5.
The utility model has the advantages that:
1) in the utility model, two groups of two rows and two columns of radiation arrays are arranged on the reflecting plate by controlling the combination form of the radiation units, and the two groups of radiation arrays enable the whole base station antenna to form a high-performance high-frequency single-polarized antenna, thereby having the advantages of wide coverage frequency range and strong anti-interference capability; the radiating unit adopts a vertically polarized oscillator arm structure, the horizontal radiation width of the radiating unit reaches 90 +/-8 degrees, the radiating unit has high efficiency and simple structure, and the antenna has large coverage range;
2) the utility model adopts two groups of radiation arrays which can be assembled, thereby realizing rapid assembly and disassembly, and the modularized structure is convenient for production and assembly; in addition, the adoption of the array group can reduce the material consumption of the reflecting plate and reduce the production cost on the basis of realizing the same kettle cover frequency band.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of a base station antenna for 5G according to the present invention.
Fig. 2 is a schematic structural diagram of a radiating element of a base station antenna for 5G according to the present invention.
Detailed Description
The following examples are presented to enable those skilled in the art to more fully understand the present invention and are not intended to limit the scope of the present invention.
Fig. 1 and 2 show a 5G base station antenna, which includes a reflector 1, a radiation array set 2 and a connector 3; the radiation array group 2 is arranged on the reflecting plate 1 along the extending direction of the reflecting plate; the connector 3 is provided on one end of the reflection plate 1.
Two side edges of the reflecting plate 1 in the length direction are bent towards the same side to form a reflecting wall; the radiation array group 2 comprises two groups of radiation arrays, and the two groups of radiation arrays are both composed of two rows and two columns of radiation units 21; the radiation units 21 are symmetrically arranged about the center line of the width direction of the reflector plate, and the center distance between the radiation units 21 is 80 mm; the distance from the top end surface of the radiation unit 21 to the reflection plate 1 is 25mm and the radiation units 21 are connected to each other through a feeder network.
The two groups of radiation arrays are provided with reflecting walls along the side edges of the reflecting plate 1 in the secondary width direction; and outer cover mounting holes are formed at four end corners of the radiation array, and the distance between every two adjacent outer cover mounting holes in the same radiation array is 130 mm.
The radiation unit 21 comprises a first oscillator arm 211, a second oscillator arm 212 and a reflector plate 213, and the first oscillator arm 211 and the second oscillator arm 212 are connected to the reflector plate 1 through a balun seat 214; the extending direction of the first oscillator arm 211 is perpendicular to the second oscillator arm 212, and a gap is reserved between the first oscillator arm 211 and the second oscillator arm 212; the first vibrator arm 211 and the second vibrator arm 212 are connected through a metal feeding sheet; the first vibrator arm 211 is of a linear structure; second vibrator arm 212 includes a straight section 2121 and a tapered section 2122; the joint of the straight line section 2121 of the second vibrator arm and the conical section 2122 of the second vibrator arm forms a groove structure for accommodating the end part of the first vibrator arm; the reflector plate is arranged at the joint of the two vibrator arms and the balun seat, the reflector plate is of a square structure, and feeder holes are formed in four end corners of the reflector plate.
A connecting hole for accommodating a network cable of a feeder network to pass through is arranged on the conical section structure of the second vibrator arm 2122; the horizontal lobe width of the radiating element 21 is 65 °, and the vertical lobe width of the radiating element 21 is 60 °; the radiating element 21 is vertically polarized; the front-back radiation ratio of the radiation unit 21 is more than or equal to 22dB, and the voltage standing wave ratio of the radiation unit is less than or equal to 1.5.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A base station antenna for 5G is characterized in that: comprises a reflecting plate, a radiation array group and a connector; the radiation array group is arranged on the reflecting plate along the extending direction of the reflecting plate; the connector is arranged on one end of the reflecting plate;
two side edges of the reflecting plate in the length direction are bent towards the same side to form a reflecting wall; the radiation array group comprises two groups of radiation arrays, and the two groups of radiation arrays are both composed of two rows and two columns of radiation units; the radiation units are symmetrically arranged about the central line of the width direction of the reflector plate, and the central distance between the radiation units is 70-90 mm; the distance between the top end surface of the radiation unit and the reflecting plate is 20mm-30mm, and the radiation units are connected through a feeder network;
the two groups of radiation arrays are provided with reflecting walls along the side edges of the reflecting plate in the width direction; outer cover mounting holes are formed at four end corners of the radiation array, and the distance between every two adjacent outer cover mounting holes in the same radiation array is 130 mm;
the radiating unit comprises a first oscillator arm, a second oscillator arm and a reflector plate, and the first oscillator arm and the second oscillator arm are connected to the reflector plate through balun seats; the extending direction of the first oscillator arm is perpendicular to the second oscillator arm, and a gap is reserved between the first oscillator arm and the second oscillator arm; the first oscillator arm is connected with the second oscillator arm through a metal feed sheet; the first vibrator arm is of a linear structure; the second oscillator arm comprises a straight line section and a conical section; a groove structure for accommodating the end part of the first vibrator arm is formed at the joint of the straight line section of the second vibrator arm and the conical section of the second vibrator arm; the reflector plate is arranged at the joint of the two vibrator arms and the balun seat, the reflector plate is of a square structure, and feeder holes are formed in four end corners of the reflector plate.
2. The base station antenna for 5G according to claim 1, wherein: and a connecting hole for accommodating a network cable of a feeder network to pass through is arranged on the conical section structure of the second vibrator arm.
3. The base station antenna for 5G according to claim 1, wherein: the horizontal lobe width of the radiation unit is 65 degrees, and the vertical lobe width of the radiation unit is 60 degrees; the radiating element is dual polarized.
4. The base station antenna for 5G according to claim 1, wherein: the front-to-back radiation ratio of the radiation unit is more than or equal to 22dB, and the voltage standing wave ratio of the radiation unit is less than or equal to 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075775.6U CN210692764U (en) | 2019-11-27 | 2019-11-27 | Base station antenna for 5G |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922075775.6U CN210692764U (en) | 2019-11-27 | 2019-11-27 | Base station antenna for 5G |
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| Publication Number | Publication Date |
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| CN210692764U true CN210692764U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922075775.6U Active CN210692764U (en) | 2019-11-27 | 2019-11-27 | Base station antenna for 5G |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952732A (en) * | 2020-07-31 | 2020-11-17 | 江苏华灿电讯集团股份有限公司 | 5G eight-port high-frequency electric tuning antenna |
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2019
- 2019-11-27 CN CN201922075775.6U patent/CN210692764U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952732A (en) * | 2020-07-31 | 2020-11-17 | 江苏华灿电讯集团股份有限公司 | 5G eight-port high-frequency electric tuning antenna |
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