CN216354779U

CN216354779U - Novel 4G-WIFI communication antenna

Info

Publication number: CN216354779U
Application number: CN202122871539.2U
Authority: CN
Inventors: 刘小兵; 李勤
Original assignee: Jiangxi Innovation Technology Co ltd
Current assignee: Jiangxi Innovation Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-19
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a novel 4G-WIFI communication antenna, which comprises a ground plate; a PCB board on which a matching circuit is disposed; at least two coaxial cables; the 4G antenna oscillator adopts an inverted PIFA structure, a first folded pin and a second folded pin are arranged on the 4G antenna oscillator, the first folded pin is connected with a PCB (printed circuit board) and a grounding plate, the second folded pin is connected with a coaxial core wire on a first coaxial cable, and a coaxial braid layer on the first coaxial cable is connected with the PCB; the WIFI antenna comprises at least one group of WIFI antenna oscillators, a first antenna, a second antenna and a ground plate, wherein the WIFI antenna oscillators are composed of a first oscillator and a second oscillator which are symmetrically arranged; the loss of the antenna can be reduced through the structure, so that the gain of the whole antenna is greatly improved, and the use requirement is met.

Description

Novel 4G-WIFI communication antenna

Technical Field

The utility model relates to the field of antennas, in particular to a novel 4G-WIFI communication antenna.

Background

The antenna is a component used for transmitting or receiving electromagnetic waves in radio equipment, and is widely applied to engineering systems of radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like, but the gain of some existing 4G/Wi-Fi antennas cannot meet the requirements required by the equipment in a specific use environment, so that the problem of normal communication quality is influenced, and therefore a novel 4G-WIFI communication antenna is urgently needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides a novel 4G-WIFI communication antenna.

The technical scheme adopted by the embodiment of the utility model for solving the technical problem is as follows: a novel 4G-WIFI communication antenna, comprising:

a ground plate;

a PCB board on which a matching circuit is disposed;

the coaxial cable comprises a coaxial braided layer and a coaxial core wire coated in the coaxial braided layer;

the 4G antenna oscillator adopts an inverted PIFA structure, a first folded pin and a second folded pin are arranged on the 4G antenna oscillator, the first folded pin is connected with the PCB and the ground plate, the second folded pin is connected with a coaxial core wire on a first coaxial cable, and a coaxial braid layer on the first coaxial cable is connected with the PCB;

at least a set of WIFI antenna oscillator comprises first oscillator and the second oscillator of symmetrical arrangement, and the one end of first oscillator and the one end of second oscillator are connected and are connected with PCB board and ground plate, and the coaxial heart yearn on the second coaxial cable is connected with the other end of first oscillator, and the coaxial weaving layer on the second coaxial cable is connected with the other end of second oscillator.

Further, the impedance of the coaxial cable is set to 50 Ω.

Furthermore, the first folding leg and/or the connecting end of the first oscillator and the second oscillator are connected with the PCB and the grounding plate through screws.

Further, a novel 4G-WIFI communication antenna still includes the casing, and PCB board, 4G antenna element, WIFI antenna element and coaxial cable's at least part holding are in the casing, and the ground plate is connected with the casing.

Further, the shell comprises an outer cover and a connecting plate connected with the outer cover through a detachable structure, and the connecting plate is located on the outer side of the grounding plate.

Further, a waterproof rubber ring is arranged between the shell and the grounding plate.

Further, a novel 4G-WIFI communication antenna still includes the high strength sticker of setting in the connecting plate outside for install the antenna in the installation position.

Further, the detachable structure is provided as a bolt connection structure.

Further, the resonant frequency range of the first bending leg is set to 2500-.

Further, the distance between the second folding leg and the ground plate is set to be 4-7 mm.

The utility model has the beneficial effects that: a novel 4G-WIFI communication antenna comprises a ground plate; a PCB board on which a matching circuit is disposed; at least two coaxial cables; the 4G antenna oscillator adopts an inverted PIFA structure, a first folded pin and a second folded pin are arranged on the 4G antenna oscillator, the first folded pin is connected with a PCB (printed circuit board) and a grounding plate, the second folded pin is connected with a coaxial core wire on a first coaxial cable, and a coaxial braid layer on the first coaxial cable is connected with the PCB; the WIFI antenna comprises at least one group of WIFI antenna oscillators, a first antenna, a second antenna and a ground plate, wherein the WIFI antenna oscillators are composed of a first oscillator and a second oscillator which are symmetrically arranged; the loss of the antenna can be reduced through the structure, so that the gain of the whole antenna is greatly improved, and the use requirement is met.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a novel 4G-WIFI communication antenna;

fig. 2 is a schematic structural diagram of a novel 4G-WIFI communication antenna with a hidden housing;

FIG. 3 is an enlarged view of a portion of area A of FIG. 2;

FIG. 4 is a partial enlarged view of the area B in FIG. 3;

fig. 5 is a schematic structural diagram of a WIFI antenna element;

fig. 6 is a schematic structural diagram of a 4G antenna element.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, a plurality of means is two or more, and greater than, less than, more than, etc. are understood as excluding the present number, and greater than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 thus, should not be construed as limiting the present invention.

In the present invention, unless explicitly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be a mechanical connection; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.

Referring to fig. 1 to 6, a novel 4G-WIFI communication antenna includes:

a ground plate 10;

a PCB board 20 on which a matching circuit is provided;

at least one group of 4G antenna elements 30, the 4G antenna elements 30 adopt an inverted PIFA structure, a first folded pin 31 and a second folded pin 32 are arranged on the inverted PIFA structure, the first folded pin 31 is connected with the PCB board 20 and the grounding plate 10, the second folded pin 32 is connected with a coaxial core wire on a first coaxial cable 41, and a coaxial braid on the first coaxial cable 41 is connected with the PCB board 20; the first coaxial cable 41 is connected with the PCB 20 and the second folded leg 32 by welding;

at least a set of WIFI antenna element 50 comprises first oscillator 51 and the second oscillator 52 of symmetrical arrangement, and the one end of first oscillator 51 and the one end of second oscillator 52 are connected and are connected with PCB board 20 and ground plate 10, and the coaxial heart yearn on the second coaxial cable 42 is connected with the other end of first oscillator 51, and the coaxial weaving layer on the second coaxial cable 42 is connected with the other end of second oscillator 52.

The impedance of the coaxial cable is set to 50 Ω.

The utility model provides a 4G-LTE and WI-FI MIMO antenna, which can select one group of 4G and one group of WIFI, or select two groups of 4G and one group of WIFI, is suitable for multiple application scenes such as household, vehicle-mounted and ship-mounted scenes needing 4G and WIFI, and can realize high-speed and stable data receiving and transmitting by matching with various terminals; wherein, the 4G antenna oscillator 30 is made of metal material, and is composed of a reverse PIFA structure by combining the PCB 20 with the grounding plate 10, specifically, the first folded pin 31 on the 4G antenna oscillator 30 and the PCB 20 are locked on the metal grounding plate 10 together by using a screw 60 to form a loop, resonates with the matching circuit on the PCB board 20 to operate the antenna at a 4G full frequency band, and, further, the second folded leg 32 is connected with the coaxial core wire on the first coaxial 41 cable, the coaxial braid layer on the first coaxial 41 cable is connected with the PCB 20, the 4G antenna oscillator 30 can resonate, the 4G antenna oscillator 30 resonates at a 4G frequency point, and a return flow is formed by a short circuit method of connecting the first folded leg 31 with the PCB 20 and the grounding plate 10, so that the 4G antenna oscillator 30 resonates again at the 4G frequency point to form double resonance, and the 4G antenna oscillator 30 can better work at the 4G frequency point; the WIFI antenna oscillator 50 is made of a metal material and is a symmetrical oscillator antenna, the antenna impedance is matched with a feeder line, a metal oscillator pin and the PCB 20 are locked on the metal grounding plate 10 together by using a screw 60 to form a loop, so that the antenna works on the WI-FI full frequency band, furthermore, the first oscillator 51 and the second oscillator 52 on the WIFI antenna oscillator 50 are in 2.4G length resonance, one end of the first oscillator 51 and one end of the second oscillator 52 on the WIFI antenna oscillator 50 are in short circuit, so that the WIFI antenna oscillator 50 is completely matched with the feeder line, the gain of the first oscillator 51 and the gain of the second oscillator 52 are 2.15DBI, and after matching, the gain can reach about 3.0 DBI; the utility model has the advantages that: the 4G antenna element 30 and the WIFI antenna element 50 are designed, and antenna loss can be reduced after matching design processing, so that the gain of the whole antenna is greatly improved.

4G antenna element 30 and WIFI antenna element 50 are all fixed on ground plate 10, have guaranteed the stability of antenna when removing the scene and using, adopt annular silica gel sealing washer to reach high-efficient waterproof performance between antenna dustcoat and the ground plate, ensure that the antenna normally works in various outdoor environment. The antenna is additionally provided with a metal plate and a high-strength sticker for mounting and fixing the antenna on a vehicle or a ship.

The first folding leg 31 and/or the connection end of the first vibrator 51 and the second vibrator 52 are connected with the PCB 20 and the ground plate 10 through a screw 60; fix 4G antenna element 30 and WIFI antenna element 50 when realizing ground connection.

The novel 4G-WIFI communication antenna further comprises a shell 70, at least parts of the PCB 20, the 4G antenna oscillator 30, the WIFI antenna oscillator 50 and the coaxial cable are accommodated in the shell 70, and the ground plate 10 is connected with the shell 70; the housing 70 may protect the internal structure of the antenna.

The housing 70 includes a cover 71 and a connection plate 72 connected to the cover 71 by a detachable structure, the connection plate 72 being located outside the ground plate 10.

A waterproof rubber ring 80 is arranged between the shell 70 and the ground plate 10; waterproof rubber ring 80 sets up to the silica gel sealing washer to reach high-efficient waterproof performance, ensure that the antenna normally works in various outdoor environment.

The novel 4G-WIFI communication antenna further comprises a high-strength paster 90 arranged on the outer side of the connecting plate 72, and the connecting plate 72 and the high-strength paster 90 can be used for installing the antenna on an installation position.

The detachable structure is preferably a bolt connection structure 91, but may be a snap connection structure or the like.

The resonant frequency range of the first folding leg 31 is set to 2500-; of course, the 4G antenna element 30 further has a third folded leg 33 with a resonant frequency of 700-960MHz and a fourth folded leg 34 with a resonant frequency of 1710-2110 MHz.

The distance between the second leg 32 and the ground plate 10 is set to 4-7 mm.

It is to be understood that the present invention is not limited to the above-described embodiments, and that equivalent modifications and substitutions may be made by those skilled in the art without departing from the spirit of the present invention, and that such equivalent modifications and substitutions are to be included within the scope of the appended claims.

Claims

1. A novel 4G-WIFI communication antenna is characterized by comprising:

a ground plate (10);

a PCB (20) on which a matching circuit is provided;

at least two coaxial cables, the coaxial cables including coaxial braided layers and coaxial core wires coated in the coaxial braided layers;

the antenna comprises at least one group of 4G antenna elements (30), wherein the 4G antenna elements (30) adopt an inverted PIFA structure, a first folding pin (31) and a second folding pin (32) are arranged on the 4G antenna elements, the first folding pin (31) is connected with the PCB (20) and the grounding plate (10), the second folding pin (32) is connected with a coaxial core wire on a first coaxial cable (41), and a coaxial braided layer on the first coaxial cable (41) is connected with the PCB (20);

at least a set of WIFI antenna element (50), by first oscillator (51) and the second oscillator (52) of symmetrical arrangement constitution, the one end of first oscillator (51) and the one end of second oscillator (52) be connected and with PCB board (20) and ground plate (10) are connected, coaxial heart yearn on second coaxial cable (42) with the other end of first oscillator (51) is connected, coaxial weaving layer on second coaxial cable (42) with the other end of second oscillator (52) is connected.

2. The novel 4G-WIFI communication antenna of claim 1, wherein: the impedance of the coaxial cable is set to 50 Ω.

3. The novel 4G-WIFI communication antenna of claim 1, wherein: the connection end of the first folding leg (31) and/or the first vibrator (51) and the second vibrator (52) is connected with the PCB (20) and the grounding plate (10) through a screw (60).

4. The novel 4G-WIFI communication antenna of claim 1, wherein: the antenna comprises a PCB (20), a 4G antenna element (30), a WIFI antenna element (50) and at least part of a coaxial cable, and is characterized by further comprising a shell (70), wherein the PCB (20), the 4G antenna element (30), the WIFI antenna element (50) and the coaxial cable are accommodated in the shell (70), and the ground plate (10) is connected with the shell (70).

5. The novel 4G-WIFI communication antenna of claim 4, wherein: the shell (70) comprises a housing (71) and a connecting plate (72) connected with the housing (71) through a detachable structure, wherein the connecting plate (72) is positioned outside the grounding plate (10).

6. The novel 4G-WIFI communication antenna of claim 4, wherein: and a waterproof rubber ring (80) is arranged between the shell (70) and the grounding plate (10).

7. The novel 4G-WIFI communication antenna of claim 4, wherein: the antenna is characterized by further comprising a high-strength paster (90) arranged on the outer side of the connecting plate (72) and used for installing the antenna on the installation position.

8. The novel 4G-WIFI communication antenna of claim 5, wherein: the detachable structure is arranged as a bolt connecting structure (91).

9. The novel 4G-WIFI communication antenna of claim 1, wherein: the resonant frequency range of the first folding pin (31) is set to be 2500-.

10. The novel 4G-WIFI communication antenna of claim 1, wherein: the distance between the second folding leg (32) and the grounding plate (10) is set to be 4-7 mm.