Multi-beam lens antenna

Abstract

The utility model relates to the field of lens antennas, and particularly discloses a multi-beam lens antenna, which comprises an electromagnetic wave lens, a fixed clamping plate, a bottom plate and a power supply feed source group, fixing clamping plates are arranged in the middle outside the electromagnetic wave lens, a clamping plate rotating shaft is arranged between the fixing clamping plates, a clamping plate fixing plate is arranged at the other end, connected with the clamping plate rotating shaft, of one section of each fixing clamping plate, a power feed source set is arranged in the middle of the bottom plate, and a first feed source is arranged in the middle of the top of the power feed source set. The feed source group support is arranged at the bottom of the electromagnetic wave lens, inclined plates are arranged on the two sides of the top of the bottom plate, sliding rails are arranged on the inclined plates, sliding blocks are arranged on the sliding rails, power supply feed source groups are arranged on the sliding blocks, and second feed sources are arranged on the power supply feed source groups on the sliding blocks; the multi-beam lens antenna provided by the utility model realizes a plurality of groups of feed sources with adjustable positions and adjustable angles.

Description

Technical Field

[0001] The utility model relates to the field of lens antennas, in particular to a multi-beam lens antenna. Background Art

[0002] The lens antenna is used to transmit or receive electromagnetic waves. It is one of the most critical components in the radar system. It has the following advantages: small side lobes and back lobes, so the radiation pattern is better; the manufacturing precision of the lens is not high, so it is relatively easy to manufacture. Its disadvantages are low efficiency, complex structure and high price. Lens antenna is used in microwave relay communication.

[0003] In the multi-beam electrically tunable lens antennas on the market, all feed sources are installed on the same reflector, and the reflector is adjusted in position through a driving mechanism. When using such a structure, all feed sources can only move simultaneously and in the same direction and cannot be adjusted individually, which is very inconvenient. Therefore, a multi-beam lens antenna is proposed to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a multi-beam lens antenna to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-beam lens antenna, comprising an electromagnetic wave lens, a fixed splint, a base plate, and a power feed group; a fixed splint is arranged at the middle position outside the electromagnetic wave lens, a splint shaft is arranged between the fixed splints, a splint fixing plate is arranged at one end of the fixed splint connected to the splint shaft, a circular hole is arranged in the middle of the splint fixing plate, and the position of the circular hole is arranged with a bolt, a splint support rod is arranged on the side of the fixed splint, side plates are arranged on both sides of the base plate, the bottom of the splint support rod is arranged on the side plate, a power feed group is arranged at the middle position of the base plate, a reflection plate is arranged at the bottom of the power feed group, a first feed is arranged at the middle position of the top of the power feed group, a feed group bracket is arranged on the power feed group, and the feed group bracket is arranged at the bottom of the electromagnetic wave lens.

[0006] Preferably, inclined plates are provided on both sides of the top of the base plate, slide rails are provided on the inclined plates, sliders are provided on the slide rails, a power feed group is provided on the slider, a second feed is provided on the power feed group on the slider, and a plate body rotating shaft is provided between the inclined plate and the base plate.

[0007] Preferably, a rod fixing plate is provided on the bottom of the inclined plate, a pneumatic device is provided on the bottom plate, a pneumatic rod is provided on the pneumatic device, a through hole is provided on the top of the pneumatic rod, a connecting shaft is provided on the through hole on the top of the pneumatic rod, both ends of the connecting shaft are provided on the side surfaces of the rod fixing plate, and the pneumatic device drives the pneumatic rod to move, thereby adjusting the angle of the inclined plate.

[0008] Preferably, a moving motor is arranged inside the slider, and the moving motor drives the slider to move.

[0009] Preferably, a protective cushion layer is provided inside the fixing splint.

[0010] Preferably, the bolt passes through the two clamping plate fixing plates, and a nut is provided on one end of the bolt passing through the two clamping plate fixing plates.

[0011] Compared with the prior art, the beneficial effects of the utility model are: the angle of the inclined plate is adjusted by the set pneumatic device, the angle of the feed source on the inclined plate is adjusted by the set slider, so as to realize multi-angle and multi-directional adjustment on the electromagnetic wave lens, and the set fixed splint supports and fixes the electromagnetic wave lens to protect the electromagnetic wave lens. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front structural schematic diagram of the utility model;

[0013] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0014] Numbers in the figure: 1, electromagnetic wave lens; 2, fixed splint; 21, splint shaft; 22, splint fixing plate; 23, bolt; 24, splint support rod; 3, bottom plate; 31, side plate; 4, power feed group; 41, first feed; 42, feed group bracket; 5, inclined plate; 51, slide rail; 52, slider; 53, second feed; 54, plate shaft; 6, pneumatic device; 61, pneumatic rod; 62, rod fixing plate; 63, connecting shaft. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0017] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] See also Figure 1-2 The utility model provides a technical solution: a multi-beam lens antenna, comprising an electromagnetic wave lens 1, a fixed splint 2, a bottom plate 3, and a power feed group 4; a fixed splint 2 is arranged at the middle position outside the electromagnetic wave lens 1, a splint shaft 21 is arranged between the fixed splints 2, a splint fixing plate 22 is arranged at one end of the fixed splint 2 connected to the splint shaft 21, a round hole is arranged in the middle of the splint fixing plate 22, and the position of the round hole is arranged with a bolt 23, a splint support rod 24 is arranged on the side of the fixed splint 2, side plates 31 are arranged on both sides of the bottom plate 3, the bottom of the splint support rod 24 is arranged on the side plate 31, a power feed group 4 is arranged at the middle position of the bottom plate 3, a reflection plate is arranged at the bottom of the power feed group 4, a first feed 41 is arranged at the middle position of the top of the power feed group 4, a feed group bracket 42 is arranged on the power feed group 4, and the feed group bracket 42 is arranged at the bottom of the electromagnetic wave lens 1.

[0019] Furthermore, inclined plates 5 are provided on both sides of the top of the base plate 3, a slide rail 51 is provided on the inclined plate 5, a slider 52 is provided on the slider 51, a power feed group 4 is provided on the slider 52, a second feed 53 is provided on the power feed group 4 on the slider 52, and a plate body rotating shaft 54 ​​is provided between the inclined plate 5 and the base plate 3.

[0020] Furthermore, a rod fixing plate 62 is provided on the bottom of the inclined plate 5, a pneumatic device 6 is provided on the bottom plate 3, a pneumatic rod 61 is provided on the pneumatic device 6, a through hole is provided on the top of the pneumatic rod 61, a connecting shaft 63 is provided on the through hole on the top of the pneumatic rod 61, and both ends of the connecting shaft 63 are provided on the side of the rod fixing plate 62, and the pneumatic device 6 drives the pneumatic rod 61 to move, thereby adjusting the angle of the inclined plate 5.

[0021] Furthermore, a moving motor is disposed inside the slider 52 , and the moving motor drives the slider 52 to move.

[0022] Furthermore, a protective cushion layer is provided inside the fixing splint 2 .

[0023] Furthermore, the bolt 23 passes through the two clamping plate fixing plates 22 , and a nut is provided on one end of the bolt 23 passing through the two clamping plate fixing plates 22 .

[0024] Working principle: open the fixed clamping plate 2, and place the electromagnetic wave lens 1 between the two fixed clamping plates 2. The fixed clamping plate 2 is elastic and can be slightly deformed so that the electromagnetic wave lens 1 can be placed therein. The two fixed clamping plates 2 are connected and fixed by bolts 23, and supported by the clamping plate support rods 24. The angle of the inclined plate 5 is adjusted by the pneumatic device 6, and the position of the second feed source 53 is adjusted by the slider 52, thereby realizing multi-angle and multi-position feeding of the electromagnetic wave lens 1.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-beam lens antenna, Features: The invention comprises an electromagnetic wave lens (1), a fixing clamp (2), a bottom plate (3), and a power supply source group (4); a fixing clamp (2) is arranged at the middle position outside the electromagnetic wave lens (1); a clamp rotating shaft (21) is arranged between the fixing clamps (2); one end of the fixing clamp (2) is connected to the clamp rotating shaft (21); the other end is provided with a clamp fixing plate (22); a circular hole is arranged in the middle of the clamp fixing plate (22); the circular hole is arranged at a position corresponding to a bolt (23); a clamp is arranged on the side of the fixing clamp (2). A plate support rod (24), side plates (31) are arranged on both sides of the bottom plate (3), the bottom of the clamping plate support rod (24) is arranged on the side plates (31), a power supply feed group (4) is arranged in the middle position of the bottom plate (3), a reflection plate is arranged at the bottom of the power supply feed group (4), a first feed (41) is arranged in the middle position of the top of the power supply feed group (4), a feed group bracket (42) is arranged on the power supply feed group (4), and the feed group bracket (42) is arranged at the bottom of the electromagnetic wave lens (1).

2. A multi-beam lens antenna according to claim 1, Features: Inclined plates (5) are arranged on both sides of the top of the bottom plate (3), a slide rail (51) is arranged on the inclined plate (5), a slider (52) is arranged on the slider (51), a power supply feed group (4) is arranged on the slider (52), a second feed (53) is arranged on the power supply feed group (4) on the slider (52), and a plate body rotating shaft (54) is arranged between the inclined plate (5) and the bottom plate (3).

3. A multi-beam lens antenna according to claim 2, Features: A rod fixing plate (62) is arranged at the bottom of the inclined plate (5), a pneumatic device (6) is arranged on the bottom plate (3), a pneumatic rod (61) is arranged on the pneumatic device (6), a through hole is arranged at the top of the pneumatic rod (61), a connecting shaft (63) is arranged on the through hole at the top of the pneumatic rod (61), and two ends of the connecting shaft (63) are arranged on the side of the rod fixing plate (62).

4. A multi-beam lens antenna according to claim 2, Features: A moving motor is arranged inside the slider (52).

5. The multi-beam lens antenna according to claim 1, Features: A protective cushion layer is arranged inside the fixing splint (2).

6. The multi-beam lens antenna according to claim 1, Features: The bolt (23) passes through the two clamping plate fixing plates (22), and a nut is arranged on one end of the bolt (23) passing through the two clamping plate fixing plates (22).

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