CN211017347U

CN211017347U - Foldable multi-area array radar antenna device

Info

Publication number: CN211017347U
Application number: CN202020021138.0U
Authority: CN
Inventors: 燕鹏; 李永刚; 李俊鹏
Original assignee: Beijing Weitian Technology Co ltd
Current assignee: Beijing Weitian Technology Co ltd
Priority date: 2020-01-07
Filing date: 2020-01-07
Publication date: 2020-07-14
Anticipated expiration: 2030-01-07

Abstract

The utility model discloses a folding multi-area array radar antenna device, which belongs to the field of radar antennas, and comprises a base, a support column is fixedly connected on the upper end of the base, a first arc plate, a second arc plate and a third arc plate are arranged on the outer side of the support column, one ends of the first arc plate, the second arc plate and the third arc plate, which are far away from the support column, are all fixedly connected with an antenna body, a pair of first cross rods are fixedly connected between the first arc plate and the support column, one end of the second arc plate, which is close to the support column, is fixedly connected with a pair of second cross rods, and one end of the third arc plate, which is close to the support column, is fixedly connected with a pair of third cross rods, by arranging the first arc plate, the second arc plate and the third arc plate, the distribution of multi-area array antennas can be realized, the coverage area approaches 360 degrees, the coverage range of wave beams is greatly enlarged, and, when not in use, the space volume can be reduced, and the transportation and the storage are convenient.

Description

Foldable multi-area array radar antenna device

Technical Field

The utility model relates to a radar antenna field, more specifically say, relate to a foldable multiaspect array radar antenna device.

Background

A radar is a device for radiating and receiving electromagnetic waves and determining the direction of detection thereof. When the radar transmits, energy needs to be intensively radiated to a direction needing to be irradiated; and during receiving, only the echo in the detection direction is received as far as possible, and the azimuth and the elevation angle of the target or one of the azimuth and the elevation angle of the target are distinguished. Of the three coordinates (azimuth, elevation and distance) of the radar measurement target position, the measurement of two coordinates (azimuth and elevation) is directly related to the performance of the antenna. Therefore, antenna performance is more important for radar devices than for other electronic devices (e.g., communication devices, etc.).

The radar antenna has many types, and mainly includes two types, namely a reflector antenna and an array antenna, according to the structural form of the radar antenna. Radar antennas can be classified into mechanical scanning antennas, electrical scanning antennas, and antennas combining electromechanical scanning according to the scanning manner of antenna beams.

Most of the traditional array antennas are single-sided linear array antennas, the beam coverage area is small, meanwhile, the adjustment is not easy, the occupied space area is large, and the transportation and the placement are inconvenient.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a foldable many area array radar antenna device, it can realize that many area array antenna distributes through setting up first arc board, second arc board and third arc board, and area coverage approaches 360, has increased beam coverage greatly, simultaneously the utility model discloses conveniently adjust the shrink, can reduce space volume when not using, convenient transportation and deposit.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A folding multi-face array radar antenna device comprises a base, wherein a supporting column is fixedly connected to the upper end of the base, a first arc plate, a second arc plate and a third arc plate are arranged on the outer side of the supporting column, one ends, far away from the supporting column, of the first arc plate, the second arc plate and the third arc plate are fixedly connected with an antenna body, a pair of first cross rods is fixedly connected between the first arc plate and the supporting column, one end, close to the supporting column, of the second arc plate is fixedly connected with a pair of second cross rods, one end, close to the supporting column, of the third arc plate is fixedly connected with a pair of third cross rods, the pair of second cross rods is positioned between the pair of first cross rods, the pair of third cross rods is positioned between the pair of second cross rods, a pair of main circular rings and a pair of auxiliary circular rings are further arranged on the outer side of the supporting column, a plurality of annular grooves are chiseled on the outer side, main ring sum vice ring rotates respectively to be connected in the inside of a plurality of ring channels, and is a pair of the one end that the second horizontal pole is close to the support column respectively with the outer end fixed connection of a pair of main ring, it is a pair of the one end that the third horizontal pole is close to the support column respectively with the outer end fixed connection of a pair of vice ring, equal threaded connection has a plurality of bolts between main ring sum vice ring and the support column, the utility model discloses a set up first arc board, second arc board and third arc board, can realize that multiaspect array antenna distributes, area of coverage approaches 360, has increased beam coverage greatly, simultaneously the utility model discloses conveniently adjust the shrink, can reduce the space volume when not using, convenient transportation and deposit.

Further, all cut a plurality of evenly distributed's screw on main ring and the vice ring, the spiral groove that has a plurality of evenly distributed is cut to the inner wall of ring channel, bolt thread connects in the inside of screw and spiral groove, and is fixed main ring and vice ring and support column through the bolt to it is fixed with second arc board and third arc board.

Further, the inner wall of ring channel has still dug a plurality of evenly distributed's draw-in groove, draw-in groove and ring channel are interval evenly distributed, the equal a plurality of evenly distributed's of fixedly connected with fixture block in the inner of main ring and vice ring, fixture block and draw-in groove joint rotate main ring and vice ring in-process, when feeling the fixture block with the draw-in groove coincidence, explain screw and thread groove on main ring and the vice ring and communicate with each other, consequently can conveniently fix a position main ring and vice ring fast through fixture block and draw-in groove, make things convenient for the installation of bolt.

Furthermore, the diameter of the inner ring of the first arc plate is larger than that of the outer ring of the second arc plate, and the diameter of the inner ring of the second arc plate is larger than that of the outer ring of the third arc plate, so that the first arc plate, the second arc plate and the third arc plate can be conveniently folded in a shrinking mode, and the space volume is reduced.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through setting up first arc board, second arc board and third arc board, can realize multiaspect battle array antenna and distribute, and area coverage approaches 360, has increased beam coverage greatly, simultaneously the utility model discloses conveniently adjust the shrink, can reduce the space volume when not using, convenient transportation and deposit.

(2) All excavate the screw that has a plurality of evenly distributed on main ring and the vice ring, the inner wall of ring channel is excavated the spiral shell groove that has a plurality of evenly distributed, and bolt threaded connection is fixed with main ring and vice ring and support column through the bolt in the inside of screw and spiral shell groove to it is fixed with second arc board and third arc board.

(3) The inner wall of ring channel has still dug a plurality of evenly distributed's draw-in groove, draw-in groove and ring channel are interval evenly distributed, the equal a plurality of evenly distributed's of fixedly connected with fixture block in the inner of main ring and vice ring, fixture block and draw-in groove joint, rotate main ring and vice ring in-process, when feeling the fixture block and draw-in groove coincidence, screw and thread groove on explaining main ring and the vice ring communicate with each other, consequently can conveniently fix a position main ring and vice ring fast through fixture block and draw-in groove, make things convenient for the installation of bolt.

(4) The inner circle diameter of first arc board is greater than the outer lane diameter of second arc board, and the inner circle diameter of second arc board is greater than the outer lane diameter of third arc board, and convenient the realization is carried out first arc board, second arc board and third arc board and is contracted foldingly, reduces the space volume.

Drawings

Fig. 1 is a perspective view of the utility model after being folded;

FIG. 2 is a perspective view of the present invention in use;

fig. 3 is a schematic side view of the folded utility model;

FIG. 4 is a schematic top view of the present invention in use;

fig. 5 is a schematic view of the structure at a in fig. 4.

The reference numbers in the figures illustrate:

the antenna comprises a base 1, a support column 2, an annular groove 201, a spiral groove 202, a first arc plate 3, a first cross rod 4, a second arc plate 5, a second cross rod 6, a third arc plate 7, a third cross rod 8, a main circular ring 9, an auxiliary circular ring 10, a bolt 11, a fixture block 12 and an antenna body 13.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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.

Example 1:

referring to fig. 1 and 2, a foldable multi-surface array radar antenna device includes a base 1, a support pillar 2 is fixedly connected to an upper end of the base 1, a first arc plate 3, a second arc plate 5 and a third arc plate 7 are disposed on an outer side of the support pillar 2, an antenna body 13 is fixedly connected to ends of the first arc plate 3, the second arc plate 5 and the third arc plate 7, which are far away from the support pillar 2, referring to fig. 3 and 4, a pair of first cross rods 4 is fixedly connected between the first arc plate 3 and the support pillar 2, a pair of second cross rods 6 is fixedly connected to ends of the second arc plate 5, which are close to the support pillar 2, a pair of third cross rods 8 is fixedly connected to ends of the third arc plate 7, which are close to the support pillar 2, referring to fig. 3, the pair of second cross rods 6 is located between the pair of first cross rods 4, and the pair of third cross rods 8 is located between the.

Referring to fig. 1 and 3, a pair of main rings 9 and a pair of auxiliary rings 10 are further disposed on the outer side of the supporting column 2, the pair of auxiliary rings 10 is located between the pair of main rings 9, four annular grooves 201 are drilled on the outer side of the supporting column 2, the pair of main rings 9 and the pair of auxiliary rings 10 are respectively rotatably connected inside the four annular grooves 201, one end of the pair of second cross bars 6 close to the supporting column 2 is respectively fixedly connected with the outer ends of the pair of main rings 9, one end of the pair of third cross bars 8 close to the supporting column 2 is respectively fixedly connected with the outer ends of the pair of auxiliary rings 10, three bolts 11 are respectively and threadedly connected between the main rings 9 and the auxiliary rings 10 and the supporting column 2, referring to fig. 4 and 5, three uniformly distributed screw holes are drilled on the main rings 9 and the auxiliary rings 10, three uniformly distributed screw grooves 202 are drilled on the inner wall of the annular grooves 201, the three screw grooves 202 are distributed in a regular triangle shape, bolts 11 are screwed into the screw holes and the screw grooves 202, and the main ring 9 and the auxiliary ring 10 are fixed to the support column 2 by the bolts 11, so that the second arc plate 5 and the third arc plate 7 are fixed.

Referring to fig. 4, the inner wall of the annular groove 201 is further provided with three clamping grooves which are uniformly distributed, the three clamping grooves are distributed in a regular triangle shape, the clamping grooves and the annular groove 201 are uniformly distributed at intervals, the inner ends of the main ring 9 and the auxiliary ring 10 are fixedly connected with three clamping blocks 12 which are uniformly distributed, the clamping blocks 12 are clamped with the clamping grooves, and when the clamping blocks 12 are sensed to coincide with the clamping grooves in the process of rotating the main ring 9 and the auxiliary ring 10, it is described that the screw holes on the main ring 9 and the auxiliary ring 10 are communicated with the screw grooves 202, so that the main ring 9 and the auxiliary ring 10 can be conveniently and quickly positioned through the clamping blocks 12 and the clamping grooves, and the installation of the bolts 11 is facilitated.

Referring to fig. 3, the diameter of the inner ring of the first arc plate 3 is greater than the diameter of the outer ring of the second arc plate 5, and the diameter of the inner ring of the second arc plate 5 is greater than the diameter of the outer ring of the third arc plate 7, so that the first arc plate 3, the second arc plate 5 and the third arc plate 7 can be conveniently folded, and the space volume is reduced.

The utility model discloses a set up first arc board 3, second arc board 5 and third arc board 7, can realize that multiaspect battle array antenna distributes, area coverage approaches 360, has increased beam coverage greatly, simultaneously the utility model discloses conveniently adjust the shrink, can reduce the space volume when not using, convenient transportation and deposit.

When the antenna is used, please refer to fig. 1 and 2, the second arc plate 5 and the third arc plate 7 are respectively rotated 120 degrees to two sides of the first arc plate 3, the second arc plate 5 drives the main ring 9 to rotate through the second cross rod 6, the third arc plate 7 drives the auxiliary ring 10 to rotate through the third cross rod 8, when the clamping block 12 enters the clamping groove on the supporting column 2, the screw holes on the main ring 9 and the auxiliary ring 10 are communicated with the screw groove 202, then the bolt 11 is inserted into the screw holes and the screw groove 202, the main ring 9 and the auxiliary ring 10 are fixed, namely the second arc plate 5 and the third arc plate 7 are fixed, at this time, the antenna body 13 on the first arc plate 3, the second arc plate 5 and the third arc plate 7 form a circular curved array antenna approaching 360 degrees, and the beam coverage range is greatly increased;

when not using, take off bolt 11 earlier, rotate 120 with second arc board 5 and third arc board 7 to the direction of being close to first arc board 3, rethread bolt 11 is fixed, and second arc board 5 and third arc board 7 are located the inboard of first arc board 3 this moment, have reduced greatly the utility model discloses a space volume.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a foldable multiaspect array radar antenna device, includes base (1), base (1) upper end fixedly connected with support column (2), its characterized in that: a first arc plate (3), a second arc plate (5) and a third arc plate (7) are arranged on the outer side of the supporting column (2), one ends, far away from the supporting column (2), of the first arc plate (3), the second arc plate (5) and the third arc plate (7) are fixedly connected with an antenna body (13), a pair of first cross rods (4) is fixedly connected between the first arc plate (3) and the supporting column (2), one ends, close to the supporting column (2), of the second arc plate (5) are fixedly connected with a pair of second cross rods (6), one ends, close to the supporting column (2), of the third arc plate (7) are fixedly connected with a pair of third cross rods (8), a pair of second cross rods (6) is located between the pair of first cross rods (4), a pair of third cross rods (8) is located between the pair of second cross rods (6), a pair of main circular rings (9) and a pair of auxiliary circular rings (10) are further arranged on the outer side of the supporting column (2), it is a pair of vice ring (10) are located between a pair of main ring (9), the outside of support column (2) is dug and is had a plurality of ring channels (201), main ring (9) and vice ring (10) rotate respectively and connect in the inside of a plurality of ring channels (201), and is a pair of one end that second horizontal pole (6) are close to support column (2) respectively with the outer end fixed connection of a pair of main ring (9), it is a pair of one end that third horizontal pole (8) are close to support column (2) respectively with the outer end fixed connection of a pair of vice ring (10), equal threaded connection has a plurality of bolts (11) between main ring (9) and vice ring (10) and support column (2).

2. The folded multi-panel array radar antenna device according to claim 1, wherein: all chisel on main ring (9) and vice ring (10) and have a plurality of evenly distributed's screw, the inner wall of ring channel (201) chisel has a plurality of evenly distributed's thread groove (202), bolt (11) threaded connection is in the inside of screw and thread groove (202).

3. The folded multi-panel array radar antenna device according to claim 1, wherein: the inner wall of ring channel (201) has still dug the draw-in groove that has a plurality of evenly distributed, draw-in groove and ring channel (201) are interval evenly distributed, the equal fixedly connected with a plurality of evenly distributed's of inner fixture block (12) of main ring (9) and vice ring (10), fixture block (12) and draw-in groove joint.

4. The folded multi-panel array radar antenna device according to claim 1, wherein: the diameter of the inner ring of the first arc plate (3) is larger than that of the outer ring of the second arc plate (5), and the diameter of the inner ring of the second arc plate (5) is larger than that of the outer ring of the third arc plate (7).