Broadband 5G micro base station antenna

Abstract

The utility model discloses a broadband 5G micro base station antenna in the field of wireless communication, which comprises a metal casing, antenna bodies are arranged at four corners inside the metal casing, and a plastic housing is arranged on the periphery above the metal casing. The antenna body comprises a PCB (Printed Circuit Board), a metal oscillator fixed above the PCB and a coaxial cable arranged on one side wall of the metal oscillator. The metal oscillator adopts a broadband PIFA structural design, impedance bandwidth and directional diagram bandwidth of a 5GNR broadband (B3 / B40 / N41 / N78) can be realized, the antenna body is arranged at four corners, the width of an antenna band can be greatly improved, so that a plurality of channels are covered, the roundness is good, the elastic buckling lugs can be inserted into the insertion holes to be matched with the corner limiting grooves, and the antenna can be conveniently assembled and disassembled. Rapid limiting and fixing of the metal arrays are achieved, rapid fixing and dismounting can be achieved through forced plugging and unplugging, the structure of the elastic buckle lugs is not affected, great convenience is achieved, and the installation efficiency can be greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless communication field, concretely is a kind of 5G micro base station antenna of wide frequency band. BACKGROUND

[0002] The existing 5G micro base station antenna has the following problems:

[0003] Wide frequency band: micro base station antenna generally adopts PIFA form, limited by antenna height, antenna bandwidth is often narrow, difficult to cover multiple channels.

[0004] Non-circularity: 5G micro base station is mainly used for coverage, so the antenna has the requirement of impedance bandwidth, and also has the requirement of antenna pattern bandwidth. For ceiling type micro base station, the antenna is often required to have good non-circularity under the condition of large bandwidth.

[0005] Therefore, the person skilled in the art provides a 5G micro base station antenna of wide frequency band to solve the problems raised in the above background. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a 5G micro base station antenna of wide frequency band to solve the problems raised in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A 5G micro base station antenna of wide frequency band, comprising a metal casing, an antenna body is arranged at the four corner parts inside the metal casing, a plastic cover is arranged on the outer periphery of the upper part of the metal casing, the antenna body comprises a PCB board, a metal vibrator fixed on the upper part of the PCB board and a coaxial cable arranged on the side wall of the metal vibrator;

[0009] A plug-in hole is formed on the PCB board, an angle limiting groove is formed on the inner wall of the plug-in hole, a plurality of elastic buckles are fixedly connected to the bottom of the metal vibrator, an elastic buckle ear is integrally formed on the bottom of the elastic buckle and matched with the angle limiting groove on the plug-in hole, and a metal contact is arranged on one side of the plug-in hole on the PCB board and in contact with the metal vibrator.

[0010] As a further scheme of the utility model: the PCB board and the metal casing are connected by screws, the plastic cover and the metal casing are connected by buckles, and the metal vibrator and the coaxial cable are electrically connected.

[0011] As a further scheme of the utility model: the metal vibrator adopts a wide frequency band PIFA structure design, which is conducive to realizing the impedance bandwidth and pattern bandwidth of 5GNR wide frequency band (B3 / B40 / N41 / N78).

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] In this invention, the metal vibrator adopts a wideband PIFA structure design, which is beneficial for achieving impedance bandwidth and radiation pattern bandwidth of 5G NR wideband (B3 / B40 / N41 / N78). Moreover, the four-corner layout of the antenna body can greatly increase the width of the antenna band, thereby covering multiple channels. It also has good roundness. Furthermore, by inserting the elastic lugs into the plug holes and cooperating with the corner limiting grooves, the metal vibrator can be quickly positioned and fixed. Forceful insertion and removal can achieve quick fixing and disassembly without affecting the structure of the elastic lugs, which is extremely convenient and can greatly improve installation efficiency. Attached Figure Description

[0014] Fig. 1 This is a schematic diagram of the structure of this utility model;

[0015] Fig. 2 This is an exploded view of the present invention;

[0016] Fig. 3 This is a structural diagram of the antenna body in this utility model;

[0017] Fig. 4 This is a diagram showing the installation structure of the metal array and the PCB board in this utility model;

[0018] Fig. 5 This utility model Fig. 4 A magnified view of a portion of point A in the middle.

[0019] In the diagram: 1. Metal casing; 2. Plastic cover; 3. Antenna body; 301. Metal vibrator; 302. PCB board; 3021. Plug-in hole; 3022. Corner limiting groove; 303. Coaxial cable; 4. Elastic buckle; 401. Elastic buckle lug; 5. Metal contact. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figs. 1-5In this embodiment of the utility model, a wideband 5G micro base station antenna includes a metal housing 1, an antenna body 3 is provided at the four corners inside the metal housing 1, a plastic cover 2 is provided on the upper periphery of the metal housing 1, and the antenna body 3 includes a PCB board 302, a metal vibrator 301 fixed on the PCB board 302, and a coaxial cable 303 provided on one side wall of the metal vibrator 301.

[0022] The PCB board 302 has a plug hole 3021, and the inner wall of the plug hole 3021 has a corner limiting groove 3022. The bottom of the metal vibrator 301 is fixedly connected to multiple elastic buckles 4. The bottom of the elastic buckle 4 has an integrally formed elastic buckle ear 401 that cooperates with the corner limiting groove 3022 on the plug hole 3021. The PCB board 302 has a metal contact point 5 on one side of the plug hole 3021 that contacts the metal vibrator 301.

[0023] By adopting the above technical solution, the elastic buckle 401 can be inserted into the insertion hole 3021 and cooperate with the corner limiting groove 3022 to achieve quick positioning and fixation of the metal array. Forceful insertion and removal can achieve quick fixation and disassembly without affecting the structure of the elastic buckle 401, which is extremely convenient and can greatly improve installation efficiency.

[0024] The PCB board 302 is connected to the metal housing 1 by screws, the plastic cover 2 is connected to the metal housing 1 by clips, and the metal oscillator 301 is electrically connected to the coaxial cable 303.

[0025] Among them, the metal oscillator 301 adopts a wideband PIFA structure design, which is conducive to realizing the impedance bandwidth and radiation pattern bandwidth of 5GNR wideband B3 / B40 / N41 / N78.

[0026] The working principle of this utility model is as follows: the metal vibrator 301 adopts a wideband PIFA structure design and is arranged at four corners, which can greatly increase the width of the antenna band, thereby covering multiple channels, and has good roundness.

[0027] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A wideband 5G micro base station antenna comprising a metal casing (1), characterized in that: The metal casing (1) is internally provided with an antenna body (3) at the four corners, and a plastic cover (2) is externally arranged on the metal casing (1), the antenna body (3) comprises a PCB board (302), a metal vibrator (301) fixed above the PCB board (302) and a coaxial cable (303) arranged on one side wall of the metal vibrator (301); A plug hole (3021) is formed on the PCB board (302), an inner wall of the plug hole (3021) is provided with a corner limiting groove (3022), a plurality of elastic buckles (4) are fixedly connected to the bottom of the metal vibrator (301), the bottom of each elastic buckle (4) is integrally formed with an elastic buckle ear (401) matched with the corner limiting groove (3022) of the plug hole (3021), and a metal contact (5) in contact with the metal vibrator (301) is arranged on one side of the plug hole (3021) of the PCB board (302).

2. The wideband 5G micro base station antenna according to claim 1, wherein: The PCB board (302) and the metal casing (1) are connected by screws, the plastic cover (2) and the metal casing (1) are connected by buckles, and the metal vibrator (301) and the coaxial cable (303) are electrically connected.

3. The wideband 5G micro base station antenna according to claim 1, wherein: The metal vibrator (301) adopts a wideband PIFA structure design.

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