Multi-channel reconfigurable antenna

Abstract

A plurality of first antenna oscillators and a plurality of second antenna oscillators are fixed on a first circuit board, the first antenna oscillators are connected with a first coaxial cable, the second antenna oscillators are connected with a second coaxial cable, an insulating support is arranged on the outer side of each first antenna oscillator, and a plurality of second coaxial cables are arranged on the insulating support. Each insulation support is provided with more than three supporting legs, the supporting legs of the insulation supports are in contact with the upper surface of the first circuit board, more than three third antenna oscillators are installed on each insulation support, and the third antenna oscillators are fixed to the first circuit board. And more than three second circuit boards are fixed on the first circuit board on the outer side of each second antenna oscillator. The dual-band multi-channel antenna has dual-band and multi-channel functions, the first circuit board in the dual-band multi-channel antenna can change the working state of the third antenna oscillator around the first antenna oscillator by controlling the on-off of a circuit, and the superposition change of a radiation pattern can be realized, so that the communication capacity of the frequency band is improved.

Description

Technical Field

[0001] The utility model belongs to the field of antennas in radio technology, and specifically discloses a multi-channel reconfigurable antenna. Background Art

[0002] Reconfigurable antenna means that the relationship between the array elements in the multi-antenna array can be flexibly changed according to the actual situation. It mainly achieves the reconfiguration of antenna performance by adjusting the state of the variable device. According to the function, it can be divided into frequency reconfigurable antenna, pattern reconfigurable antenna, polarization reconfigurable antenna and multi-electromagnetic parameter reconfigurable antenna. By changing the structure of the reconfigurable antenna, one or more of the antenna's frequency, lobe pattern, polarization mode and other parameters can be reconfigured. Reconfigurable antenna has the advantages of small size, multiple functions, and easy implementation of diversity applications. Summary of the invention

[0003] The utility model aims to overcome the deficiencies in the prior art and provide a dual-band, multi-channel reconfigurable antenna capable of realizing superposition and change of radiation patterns to improve the communication capacity of the frequency band.

[0004] According to the technical solution provided by the utility model, the multi-channel reconfigurable antenna includes a first circuit board, a second circuit board, a first antenna element, a second antenna element, a third antenna element, an insulating bracket, a first coaxial cable and a second coaxial cable;

[0005] A plurality of first antenna elements and a plurality of second antenna elements are fixed on the first circuit board, the first antenna elements are connected to the first coaxial cable, the second antenna elements are connected to the second coaxial cable, an insulating bracket is provided on the outside of each first antenna element, each insulating bracket has more than three supporting feet, the supporting feet of the insulating bracket are in contact with the upper surface of the first circuit board, more than three third antenna elements are installed on each insulating bracket, the third antenna elements are fixed to the first circuit board, and more than three second circuit boards are fixed on the first circuit board outside each second antenna element.

[0006] Preferably, the plane where the second circuit board is located is perpendicular to the plane where the first circuit board is located.

[0007] Preferably, the third antenna element is T-shaped, and the plane where the third antenna element is located is perpendicular to the plane where the first circuit board is located.

[0008] Preferably, the first antenna element and the second antenna element are spaced apart from each other.

[0009] The utility model has dual-band and multi-channel functions. The first circuit board in the utility model can change the working state of the third antenna element around the first antenna element by controlling the on-off of the circuit, and can realize the superposition change of the radiation pattern, thereby improving the communication capacity of the frequency band. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is one of the three-dimensional diagrams of the present utility model.

[0011] Figure 2 It is the second stereogram of the utility model. DETAILED DESCRIPTION

[0012] The utility model is further described below in conjunction with specific embodiments.

[0013] A multi-channel reconfigurable antenna, such as Figure 1 and Figure 2 As shown, it includes a first circuit board 1, a second circuit board 2, a first antenna element 3, a second antenna element 4, a third antenna element 5, an insulating bracket 6, a first coaxial cable 7 and a second coaxial cable 8;

[0014] A plurality of first antenna elements 3 and a plurality of second antenna elements 4 are fixed on the first circuit board 1 by welding, the first antenna element 3 is connected to the first coaxial cable 7 by welding, the second antenna element 4 is connected to the second coaxial cable 8 by welding, an insulating bracket 6 is provided on the outside of each first antenna element 3, each insulating bracket 6 has more than three supporting feet, the supporting feet of the insulating bracket 6 are in contact with the upper surface of the first circuit board 1, more than three third antenna elements 5 are installed on each insulating bracket 6, the third antenna element 5 is fixed to the first circuit board 1 by welding, and more than three second circuit boards 2 are fixed to the first circuit board 1 outside each second antenna element 4 by welding.

[0015] The plane where the second circuit board 2 is located is perpendicular to the plane where the first circuit board 1 is located.

[0016] The third antenna element 5 is T-shaped, and the plane where the third antenna element 5 is located is perpendicular to the plane where the first circuit board 1 is located.

[0017] The first antenna element 3 and the second antenna element 4 are distributed at intervals.

[0018] The multi-channel reconfigurable antenna of the utility model is mainly used for MIMO (multiple-input and multiple-output) wireless local area network systems, and is composed of a plurality of 2.4GHz antenna modules (composed of a first circuit board 1, a first antenna element 3, and more than three third antenna elements 5 are fixed by welding on the first circuit board 1 outside the first antenna element 3) and a plurality of 5GHz antenna modules (the 5GHz antenna module includes a second antenna element 4 and more than three second circuit boards 2 are fixed by welding on the first circuit board 1 outside the second antenna element 4). The frequency range of the 2.4GHz antenna module is 2.4-2.5GHz, and the frequency range of the 5GHz antenna module is 5.15-5.825GHz, thereby realizing dual-band and multi-channel functions.

[0019] The first circuit board 1 in the utility model can change the working state of the third antenna element 5 around the first antenna element 3 by controlling the on-off of the circuit, and can realize the superposition change of the radiation pattern, thereby improving the communication capacity of the 2.4GHz antenna module.

[0020] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to examples, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A multi-channel reconfigurable antenna, characterized in that: It comprises a first circuit board (1), a second circuit board (2), a first antenna element (3), a second antenna element (4), a third antenna element (5), an insulating bracket (6), a first coaxial cable (7) and a second coaxial cable (8); A plurality of first antenna elements (3) and a plurality of second antenna elements (4) are fixed on the first circuit board (1); the first antenna elements (3) are connected to a first coaxial cable (7); the second antenna elements (4) are connected to a second coaxial cable (8); an insulating bracket (6) is provided on the outside of each first antenna element (3); each insulating bracket (6) has more than three supporting feet; the supporting feet of the insulating bracket (6) are in contact with the upper surface of the first circuit board (1); more than three third antenna elements (5) are mounted on each insulating bracket (6); the third antenna elements (5) are fixed to the first circuit board (1); and more than three second circuit boards (2) are fixed on the first circuit board (1) outside each second antenna element (4).

2. The multi-channel reconfigurable antenna according to claim 1, characterized in that: The plane where the second circuit board (2) is located is perpendicular to the plane where the first circuit board (1) is located.

3. The multi-channel reconfigurable antenna according to claim 1, characterized in that: The third antenna element (5) is T-shaped, and the plane where the third antenna element (5) is located is perpendicular to the plane where the first circuit board (1) is located.

4. The multi-channel reconfigurable antenna according to claim 1, characterized in that: The first antenna element (3) and the second antenna element (4) are distributed at intervals.

Images