CN215418607U

CN215418607U - Directional radiation antenna system

Info

Publication number: CN215418607U
Application number: CN202122929544.4U
Authority: CN
Inventors: 田野; 尤龙
Original assignee: Wuhan Lingdai Technology Co ltd
Current assignee: Wuhan Lingdai Technology Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-01-04
Anticipated expiration: 2031-11-26

Abstract

The utility model discloses a directional radiation antenna system, comprising: the tail cone shielding substrate, the double-ridge antenna main body, the connector and the ferrite rod fixedly mounted inside the double-ridge antenna main body are fixedly mounted at one end of the double-ridge antenna main body, an echo polarization cabin and a gain horn cabin are arranged inside the double-ridge antenna main body, a porous ridge line vertebral plate is fixedly mounted on the inner side of the double-ridge antenna main body, and the connector is fixedly mounted on the surface of the double-ridge antenna main body and the end of the connector and is provided with a radiation core rod located inside the double-ridge antenna main body. According to the utility model, a double-ridge horn-shaped structure is adopted, a porous ridge line vertebral plate structure is arranged in the double-ridge horn for directional emission and echo diversion of polarized waves by utilizing the double-ridge horn to improve, and a pair of ridge structures are added in a waveguide part and a horn flare angle part of the pyramid horn to expand the working frequency bandwidth of the pyramid horn, so that the pyramid horn has the characteristics of wide frequency bandwidth, small volume, simple structure and the like.

Description

Directional radiation antenna system

Technical Field

The utility model relates to the technical field of radiation antennas, in particular to a directional radiation antenna system.

Background

An antenna is a component used in a radio device to transmit or receive electromagnetic waves. In the fields of satellites, radars and the like, the directional radiation performance of an antenna is one of important indexes. The good directivity of the antenna greatly improves the communication efficiency. The ultra-wideband antenna has a wide operating band and can cover communication bands of multiple standards, and thus has been widely researched and paid attention to as a means for effectively realizing miniaturization of the antenna. At present, a series of novel ultra-wideband antennas are proposed, which include various special-shaped monopoles and dipoles and are used to realize omnidirectional radiation, and the ultra-wideband directional antennas are LPDA (log-periodic dipole antenna), tem (trans electric magnetic) horns, ridged horns, Vivaldi antennas and the like, and the longitudinal dimensions of these antennas are all large, which limits the application of the ultra-wideband directional antennas.

In addition, in some modern communication systems, the antenna needs to dynamically switch the radiation direction to meet various communication requirements, and such an antenna is called a directional diagram reconfigurable antenna and is generally implemented by a mechanical or large active device array. The antenna is complex in structure, large in size and complex in radiation direction switching process, greatly limits applicable scenes, has high directionality and high direction reconfigurable performance, and further increases the complexity of antenna structure design.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving one of the technical problems of the prior art or the related art.

Therefore, the technical scheme adopted by the utility model is as follows: a directional radiating antenna system comprising: caudal vertebra shielding base plate, two spine antenna main parts, connector and fixed mounting are in the inside ferrite pole of two spine antenna main parts, caudal vertebra shielding base plate fixed mounting is in the one end of two spine antenna main parts, the inside of two spine antenna main parts is equipped with echo polarization cabin and gain loudspeaker cabin, the inboard fixed mounting of two spine antenna main parts has porous ridge line vertebral plate, connector fixed mounting is equipped with the radiation core bar that is located two spine antenna main parts in the surface of two spine antenna main parts and the tip of connector.

The present invention in a preferred example may be further configured to: the two spine antenna main parts are loudspeaker column structure, the quantity of porous ridge line vertebral plate is two and be symmetrical arrangement in the inboard of two spine antenna main parts, the surface of porous ridge line vertebral plate is the arc structure.

Through adopting above-mentioned technical scheme, adopt two spine horn shape structures, utilize two spine horns to improve and set up porous ridge line vertebral plate structure in inside and carry out the directional emission and the echo water conservancy diversion of polarized wave, add a pair of ridge type structure in pyramid horn waveguide part and loudspeaker flare angle part and expand the operating frequency bandwidth of pyramid horn.

The present invention in a preferred example may be further configured to: the utility model discloses a multi-hole ridgeline vertebral plate, including tail vertebra shielding base plate, two spine antenna main parts, tail vertebra shielding base plate and two spine antenna main parts are non-ferromagnetic material component, tail vertebra shielding base plate, two spine antenna main parts and porous ridgeline vertebral plate are insulating material component, porous ridgeline vertebral plate thickness is 6mm, and the surface of porous ridgeline vertebral plate is equipped with a plurality of intensive through-hole structures, and the through-hole diameter is less than 5 mm.

By adopting the technical scheme, the polarization guide is carried out on the echo by utilizing the porous ridge line vertebral plate, the clutter influence of the clutter in the echo can be eliminated by the dense through hole structure, and the influence of the clutter in the non-directional direction is avoided.

The present invention in a preferred example may be further configured to: the radiation core rod is of a metal round rod structure, a silver coating is arranged on the surface of the radiation core rod, and a threaded connecting port is arranged on the surface of the connector.

Further, the dielectric parameter of the radiation core rod is 16, and the loss tangent is 0.18.

By adopting the technical scheme and adopting the serial management interface, the scheme is not improved, belongs to the field of the prior art, and is output by the MAC (media access control) in an aperiodic mode, namely a clock with fixed frequency is not required to be provided, and a PHY (physical layer) chip is used as input to trigger the read-write of the MDIO (management data input/output) at a rising edge so as to realize the basic antenna radiation function.

The present invention in a preferred example may be further configured to: the ferrite rod is made of one of magnesium manganese ferrite, yttrium iron garnet ferrite or nickel zinc ferrite.

Further, the ferrite rod is magnesium manganese ferrite, the arrangement directions of the ferrite rod and the porous ridgeline vertebral plate are mutually perpendicular, the dielectric constant of the ferrite rod is 12.2(1-j0.006), and the diameter of the ferrite rod is 10 mm.

Furthermore, the porous ridgeline vertebral plate is made of foam material with the dielectric constant of 1.05-1.1, the surface of the porous ridgeline vertebral plate is in a parabolic shape, and the ferrite rod is close to the port of the caudal vertebra shielding substrate.

The dielectric constant of the magnesium-manganese soft magnetic ferrite material is 12.2(1-j0.006), wherein j represents an imaginary number, the dielectric constant is basically constant in a microwave band, the ferrite is made of the magnesium-manganese ferrite material, the adjusting range of an external bias magnetic field is 3000e-25000e, and the antenna has a good directional radiation effect in the magnetic field range.

The beneficial effects obtained by the utility model are as follows:

1. according to the utility model, a double-ridge horn-shaped structure is adopted, a porous ridge line vertebral plate structure is arranged in the double-ridge horn for directional emission and echo diversion of polarized waves by utilizing the double-ridge horn to improve, and a pair of ridge structures are added in a waveguide part and a horn flare angle part of the pyramid horn to expand the working frequency bandwidth of the pyramid horn, so that the pyramid horn has the characteristics of wide frequency bandwidth, small volume, simple structure and the like.

2. In the utility model, the ferrite rod structure is arranged in the tail cone shielding substrate, the ferrite is made of magnesium manganese ferrite material, the adjustment range of an external bias magnetic field is 3000e-25000e, and the antenna has a better directional radiation effect in the magnetic field range.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a directional radiation antenna system according to the present invention;

FIG. 2 is a schematic view of the internal structure of a gain horn chamber of the directional radiation antenna system of the present invention;

fig. 3 is a schematic cross-sectional structure diagram of a dual-ridged antenna body of the directional radiation antenna system of the present invention.

Reference numerals:

100. a caudal vertebra shielding baseplate;

200. a dual ridged antenna body; 210. a porous spinal lamina; 201. an echo polarization cabin; 202. a gain horn chamber;

300. a connector; 310. a radiating core bar;

400. a ferrite rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

It is to be understood that this description is made only by way of example and not as a limitation on the scope of the utility model.

A directional radiation antenna system provided by some embodiments of the present invention is described below with reference to the accompanying drawings.

Example 1:

as shown in fig. 1-3, the present invention provides a directional radiation antenna system, comprising: the tail cone shielding substrate 100, the dual ridged antenna body 200, the connector 300, and the ferrite rod 400 fixedly installed inside the dual ridged antenna body 200;

the tail cone shielding substrate 100 is fixedly installed at one end of the double-ridge antenna main body 200, the echo polarization cabin 201 and the gain horn cabin 202 are arranged inside the double-ridge antenna main body 200, the multi-hole ridge line vertebral plate 210 is fixedly installed on the inner side of the double-ridge antenna main body 200, the connector 300 is fixedly installed on the surface of the double-ridge antenna main body 200, and the end of the connector 300 is provided with the radiation core rod 310 located inside the double-ridge antenna main body 200.

In this embodiment, two spine antenna main parts 200 are loudspeaker column structure, the quantity of porous ridge line vertebral plate 210 is two and be symmetrical arrangement in the inboard of two spine antenna main parts 200, the surface of porous ridge line vertebral plate 210 is the arc structure, therefore, adopt two spine tubaeform structural design in this embodiment, utilize two spine loudspeaker to improve and set up the directional emission and the echo water conservancy diversion that porous ridge line vertebral plate 210 structure carries out the polarized wave in inside, add a pair of ridge structure in pyramid loudspeaker waveguide part and horn flare angle part and extend the operating frequency bandwidth of pyramid loudspeaker.

In this embodiment, the caudal vertebra shielding base plate 100 and the double-ridged antenna main body 200 are non-ferromagnetic material components, the caudal vertebra shielding base plate 100, the double-ridged antenna main body 200 and the porous ridged line vertebral plate 210 are insulating material components, the thickness of the porous ridged line vertebral plate 210 is 6mm, and the surface of the porous ridged line vertebral plate 210 is provided with a plurality of dense through-hole structures, the through-hole diameter is less than 5mm, thereby the polarization direction can be carried out to the echo by utilizing the porous ridged line vertebral plate 210, the influence of clutter in the echo can be eliminated by the dense through-hole structures, and the influence of clutter in the non-directional direction is avoided.

Example 2:

the present embodiment is different from embodiment 1 only in that the radiation core rod 310 is of a metal round rod structure, the surface of the radiation core rod 310 is provided with a silver-plated coating, the surface of the connector 300 is provided with a threaded connection port, the dielectric parameter of the radiation core rod 310 is 16, and the loss tangent is 0.18; meanwhile, the ferrite rod 400 is made of one of magnesium manganese ferrite, yttrium iron garnet ferrite or nickel zinc ferrite.

Preferably, the ferrite rod 400 is made of magnesium manganese ferrite, the ferrite rod 400 and the perforated spinal plate 210 are arranged in a direction perpendicular to each other, the ferrite rod 400 has a dielectric constant of 12.2(1-j0.006), where j is an imaginary number, and particularly preferably, the ferrite rod 400 has a dielectric constant of 11.6, and the ferrite rod 400 has a diameter of 10 mm.

Furthermore, the porous ridgeline vertebral plate 210 is made of a foam material with a dielectric constant between 1.05 and 1.1, the surface of the porous ridgeline vertebral plate 210 is parabolic, and the ferrite rod 400 is close to the port of the caudal vertebra shielding baseplate 100; the dielectric constant of the magnesium-manganese soft magnetic ferrite material is 12.2(1-j0.006), wherein j represents an imaginary number, the dielectric constant is basically constant in a microwave band, the ferrite is made of the magnesium-manganese ferrite material, and the adjustment range of an external bias magnetic field is 3000e-25000e, so that the antenna has a good directional radiation effect in the magnetic field range.

In conclusion, the high-frequency radiation vibrator type magnesium-manganese soft magnetic ferrite is adopted to be matched with a structure for inputting an adjustable magnetic field, the adjustment range of an external bias magnetic field is 3000e-25000e, the antenna has a good directional radiation effect in the magnetic field range, the structure is simple and easy to process, and the high-frequency radiation vibrator type magnesium-manganese soft magnetic ferrite can be well applied to receiving and transmitting signals in various frequency bands and is suitable for more occasions.

In the present invention, the term "plurality" means two or more unless explicitly defined otherwise. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. The terms "mounted," "connected," "fixed," and the like are used broadly and encompass, for example, a fixed connection, a removable connection, or an integral connection, and a connection may be a direct connection or an indirect connection via intermediate media. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be understood that when an element is referred to as being "mounted to," "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims

1. A directional radiation antenna system, comprising: the antenna comprises a caudal vertebra shielding substrate (100), a double-spine antenna body (200), a connector (300) and a ferrite rod (400) fixedly installed inside the double-spine antenna body (200), wherein the caudal vertebra shielding substrate (100) is fixedly installed at one end of the double-spine antenna body (200), an echo polarization cabin (201) and a gain horn cabin (202) are arranged inside the double-spine antenna body (200), a porous spine line vertebral plate (210) is fixedly installed on the inner side of the double-spine antenna body (200), and the connector (300) is fixedly installed on the surface of the double-spine antenna body (200) and the end of the connector (300) and is provided with a radiation core rod (310) located inside the double-spine antenna body (200).

2. The directional radiation antenna system according to claim 1, wherein the double-ridged antenna body (200) is of a horn-shaped structure, the number of the perforated ridgeline vertebral plates (210) is two and symmetrically arranged on the inner side of the double-ridged antenna body (200), and the surface of the perforated ridgeline vertebral plates (210) is of an arc-shaped structure.

3. The directional radiation antenna system according to claim 1, characterized in that the thickness of the perforated ridgeline vertebral plate (210) is 6mm, and the surface of the perforated ridgeline vertebral plate (210) is provided with a plurality of dense through hole structures, the diameter of the through holes being less than 5 mm.

4. The directional radiation antenna system according to claim 1, wherein the tail cone shielding substrate (100) and the dual ridged antenna body (200) are made of a non-ferromagnetic material, and the tail cone shielding substrate (100), the dual ridged antenna body (200) and the perforated ridgeline vertebral plate (210) are made of an insulating material.

5. The directional radiation antenna system according to claim 1, wherein the radiation core bar (310) is a metal round bar structure, the surface of the radiation core bar (310) is provided with silver coating, and the surface of the connector (300) is provided with a threaded connection port.

6. The directional radiating antenna system of claim 1, wherein the radiating core (310) has a dielectric parameter of 16 and a loss tangent of 0.18.

7. The directional radiating antenna system of claim 1, wherein the ferrite rod (400) material is one of magnesium manganese ferrite, yttrium iron garnet ferrite, or nickel zinc ferrite.

8. The directional radiating antenna system of claim 1, wherein the ferrite rod (400) is magnesium manganese ferrite, and the directions of arrangement of the ferrite rod (400) and the perforated ridgeline vertebral plate (210) are perpendicular to each other.

9. The directional radiating antenna system of claim 1, characterized in that the ferrite rod (400) has a dielectric constant of 12.2(1-j0.006), where j denotes an imaginary number, the ferrite rod (400) having a diameter of 10 mm.

10. The directional radiation antenna system of claim 1, wherein the porous ridgeline vertebral plate (210) is made of foam material with a dielectric constant between 1.05-1.1, the surface of the porous ridgeline vertebral plate (210) is parabolic and the ferrite rod (400) is close to the port of the caudal vertebra shielding substrate (100).