CN211150754U

CN211150754U - FAD electric tilt antenna

Info

Publication number: CN211150754U
Application number: CN201922462399.6U
Authority: CN
Inventors: 卢培林
Original assignee: Jiangsu Yaxin Electronic Technology Co ltd
Current assignee: Jiangsu Yaxin Electronic Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-07-31
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to a FAD electricity accent antenna, its characterized in that includes reflecting plate, radiating element, calibration circuit board, feeder network and connector, the utility model discloses in realized covering the directional intelligent array antenna of the independent electricity accent three frequency channel of TD-FAD built-in combiner, can cover the F, A, D three frequency channel of TD-L TE simultaneously, antenna renewal and repeated purchase that can avoid bringing when future frequency channel expands, FAD oscillator unit of oscillator unit structure, FAD oscillator unit be 45 dual polarization structure, guaranteed radiating element multipolarity, multifrequency section, high power capacity, the strong characteristic of array interference killing feature promptly, size precision is high, simultaneously, the working bandwidth of radiating element has further been widened through the connection of feeder piece, and simple structure, need not to electroplate, the cost-effective while electric performance and the uniformity of structure are better.

Description

FAD electric tilt antenna

Technical Field

The utility model relates to an electricity accent antenna field especially relates to an FAD electricity accent antenna.

Background

An antenna is a converter that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or vice versa. A component for transmitting or receiving electromagnetic waves in a radio device. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like all use electromagnetic waves to transmit information and all rely on antennas to work.

The TD-L TE system adopts all three frequency bands available for TD, namely, the antenna can cover FAD frequency band, which puts new requirements on the broadband of TD intelligent antenna and needs to fully research, verify and optimize the network adaptability and broadband of TD intelligent antenna.

As a new generation technology of a TD system, TD-L TE antenna products are expected to have wide application prospects, and TD antenna products owned by most manufacturers in the market at present can only meet the requirement of covering the FA frequency band, so that a plurality of key technical problems are solved, and the development of a broadband TD-FAD conventional antenna capable of covering three frequency bands of TD-L TE F, A, D can occupy the high area of the 5G antenna industrial technology.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a FAD electric tilt antenna which can effectively improve the receiving effect at the edge and ensure the coverage; the antenna updating and repeated purchasing brought by future frequency band expansion can be avoided, and resource waste can be avoided.

In order to solve the technical problem, the utility model adopts the technical scheme that: the utility model provides a FAD electricity accent antenna, its innovation point lies in: the device comprises a reflecting plate, a radiation unit, a calibration circuit board, a feeder network and a connector;

the radiation unit comprises a reflector plate, a connector, a plurality of beam collecting connectors and a plurality of radiating units, wherein four sides of the reflector plate are bent towards the same side to form L-shaped bent sides;

the radiating units are provided with four rows and arranged along the extending direction of the reflecting plate, each radiating unit comprises a first row of radiating units, a second row of radiating units, a third row of radiating units and a fourth row of radiating units, and each row of radiating units is provided with ten oscillator units; the first row of radiating elements and the third row of radiating elements are symmetrical about a central line of the second row of radiating elements, and the second row of radiating elements and the fourth row of radiating elements are symmetrically arranged about the third row of radiating elements; the first row of radiation units and the second row of radiation units are arranged in a staggered manner in the width direction of the reflector plate; the first row of radiating units, the second row of radiating units, the third row of radiating units and the fourth row of radiating units are all provided with a partition plate along two side edges of the extending direction of the reflecting plate;

the calibration circuit board comprises an FA frequency band calibration circuit and a D frequency band calibration circuit; the calibration circuit board is arranged between the connector on the reflecting plate and the radiation unit, the input end of the calibration circuit board is connected with the radiation unit through a feeder network, and the output end of the calibration circuit board is connected to the connector through the feeder network;

the feeder line network comprises an FA frequency band phase shifter, a D frequency band phase shifter and a combiner; in ten vibrator units in each column, every two vibrator units are connected to a combiner in a group through network connection, and the output end of the combiner is respectively connected to an FA frequency band phase shifter and a D frequency band phase shifter through network connection; the FA frequency band phase shifter and the D frequency band phase shifter are respectively connected to the FA frequency band calibration circuit and the D frequency band calibration circuit through network connection wires.

Further, the vibrator unit comprises a balun seat, a support frame, a PCB and a copper pipe; the PCB is of a square structure, the center of the PCB is fixedly connected with the top end of the support frame, the bottom end of the support frame is installed on the balun seat, and the balun seat is connected to the reflecting plate; the copper pipes are connected to the PCB at the positions vertical to the four end corners of the PCB; four FAD oscillator units made of copper foil are covered on the PCB in an annular array mode, and adjacent FAD oscillator units are connected through a feed sheet to form a +/-45-degree dual-polarized structure.

The utility model has the advantages that:

1) the utility model discloses in realized covering the directional intelligent array antenna of three frequency channel is independently transferred to the built-in combiner of TD-FAD electricity, can cover the F, A, D three frequency channel of TD-L TE simultaneously, antenna renewal and repeated purchase that bring when can avoiding future frequency channel to expand.

2) The utility model discloses FAD oscillator unit of well oscillator unit structure, FAD oscillator unit are the dual polarization structure of 45 degrees, have guaranteed the characteristic that radiating element multipolarizes, multifrequency section, high power capacity, group battle interference killing feature are strong promptly, and size precision is high; meanwhile, the working bandwidth of the radiation unit is further widened through the connection of the feed sheet, the bandwidth requirement of the TD-FAD intelligent array antenna is met, the structure is simple, electroplating is not needed, the cost is saved, and meanwhile, the consistency of the electrical performance and the structure is better.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is the utility model discloses a structural schematic diagram of antenna is transferred to FAD electricity.

Fig. 2 is the utility model discloses a feed line network connection schematic diagram of antenna is transferred to FAD electricity.

Fig. 3 is the utility model discloses a FAD electricity transfers oscillator unit spatial structure chart of antenna.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 1 to fig. 3 show an FAD tunable antenna, which includes a reflection plate 1, a radiation unit 2, a calibration circuit board 3, a feeder network 4, and a connector 5.

The four sides of the reflecting plate 1 are bent towards the same side to form L-shaped bent sides, a mounting hole for mounting the radiation unit 2 is formed in the reflecting plate 1 along the extending direction, a connector 5 is arranged at one end of the reflecting plate 1, and the connector 5 is provided with four bundling joints.

The radiating elements 2 are provided with four rows and arranged along the extending direction of the reflecting plate, and comprise a first row of radiating elements 21, a second row of radiating elements 22, a third row of radiating elements 23 and a fourth row of radiating elements 24, and each row of radiating elements is provided with ten oscillator units 25; the first row of radiation elements 21 and the third row of radiation elements 23 are symmetrical with respect to the center line of the second row of radiation elements 22, and the second row of radiation elements 22 and the fourth row of radiation elements 24 are symmetrically arranged with respect to the third row of radiation elements 23; the first row of radiation units 21 and the second row of radiation units 22 are arranged in a staggered manner in the width direction of the reflector; the first, second, third and fourth rows of radiating elements 21, 22, 23 and 24 are provided with the partition plates 6 on both sides along the extending direction of the reflector.

The calibration circuit board 3 includes an FA frequency band calibration circuit 31 and a D frequency band calibration circuit 32; the calibration circuit board 3 is arranged between the connector 5 on the reflecting plate 1 and the radiation unit 2, the input end of the calibration circuit board 3 is connected with the radiation unit through the feeder line network 4, and the output end of the calibration circuit board 3 is connected with the connector through the feeder line network 4.

The feeder network 4 includes an FA-band phase shifter 41, a D-band phase shifter 42, and a combiner 43; in the ten oscillator units 25 in each column, two oscillator units are connected to the combiner 43 in a group through network connection, and the output end of the combiner 43 is connected to the FA frequency band phase shifter and the D frequency band phase shifter through network connection respectively; the FA band phase shifter 41 and the D band phase shifter 42 are connected to the FA band calibration circuit and the D band calibration circuit, respectively, through network connections.

The vibrator unit 25 comprises a balun seat 251, a support frame 252, a PCB 253 and a copper pipe 254; the PCB 253 is in a square structure, the center of the PCB 253 is fixedly connected with the top end of the support frame 252, the bottom end of the support frame 252 is installed on the balun seat 251, and the balun seat 251 is connected to the reflecting plate 1; the copper pipes 254 are perpendicular to the four end corners of the PCB 253 and connected to the PCB 253; four FAD oscillator units made of copper foil are covered on the PCB 253 in an annular array mode, and adjacent FAD oscillator units are connected through a feed sheet to form a +/-45-degree dual-polarized structure.

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

1. The utility model provides a FAD electricity accent antenna which characterized in that: the device comprises a reflecting plate, a radiation unit, a calibration circuit board, a feeder network and a connector;

2. The FAD electric tilt antenna according to claim 1, characterized in that: the vibrator unit comprises a balun seat, a support frame, a PCB and a copper pipe; the PCB is of a square structure, the center of the PCB is fixedly connected with the top end of the support frame, the bottom end of the support frame is installed on the balun seat, and the balun seat is connected to the reflecting plate; the copper pipes are connected to the PCB at the positions vertical to the four end corners of the PCB; four FAD oscillator units made of copper foil are covered on the PCB in an annular array mode, and adjacent FAD oscillator units are connected through a feed sheet to form a +/-45-degree dual-polarized structure.