CN219246929U

CN219246929U - Radio frequency coaxial connector antenna suitable for WIFI6

Info

Publication number: CN219246929U
Application number: CN202223439588.XU
Authority: CN
Inventors: 刘昌华
Original assignee: Suzhou Saixun Communication Technology Co ltd
Current assignee: Suzhou Saixun Communication Technology Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-23
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a radio frequency coaxial connector antenna suitable for WIFI6, which comprises an antenna shell and a radio frequency coaxial connector, wherein the antenna shell is of a hollow structure, and a transmission line and an antenna oscillator are arranged in the hollow structure; an opening is formed in one end of the antenna shell, and the antenna shell is rotatably connected with the radio frequency coaxial connector at the opening through an antenna fixing seat; one end of the transmission line is connected with the radio frequency coaxial connector, the other end of the transmission line is connected with the antenna oscillator, the antenna oscillator comprises a base layer, and an antenna line and a welding spot which are arranged on the base layer, the antenna line comprises a first line and a second line, and the first line and the second line are symmetrically arranged at intervals. The utility model can completely meet the frequency range required by WIFI6, has good standing wave ratio of the antenna, antenna gain and antenna efficiency, and has the advantages of good consistency, good stability and no abnormal sound generation during shaking.

Description

Radio frequency coaxial connector antenna suitable for WIFI6

Technical Field

The utility model relates to the technical field of antennas, in particular to a radio frequency coaxial connector antenna suitable for WIFI 6.

Background

In the prior art, the frequency points supported by the existing WIFI antenna are divided into the following 3 types: (1) 2.4G frequency (2.4-2.5 GHz), its broadband is 100MHz; (2) 5G frequency (5.15-5.85 GHz), its broadband is 700MHz; (3) 2.4G &5G double frequency (2.4-2.5 GHz & 5.15-5.85 GHz), the bandwidth of which is 100MHz &700MHz.

With the continuous progress of technology, the frequency (2.4-2.5 GHz & 5.15-5.85 GHz) of the existing WiFi antenna cannot meet the use requirements of all users, and then new frequency 5.925-7.125 GHz is added to make up for the use requirements, so that the data transmission speed of the system is improved. Meanwhile, the existing antenna structure has the following defects: (1) When the antenna is bent, the inconsistent space between the coaxial line and the PCB is caused by the bending radius of the coaxial line and the rebound resilience of the coaxial line; (2) the antenna produces a sound and a sound when shaken.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the radio frequency coaxial connector antenna suitable for the WIFI6, which can completely meet the frequency range required by the WIFI6, has good standing wave ratio of the antenna, antenna gain and antenna efficiency, and has the advantages of good consistency, good stability and no abnormal sound generation during shaking.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the radio frequency coaxial connector antenna suitable for the WIFI6 comprises an antenna shell and a radio frequency coaxial connector, wherein the antenna shell is of a hollow structure, and a transmission line and an antenna oscillator are arranged in the hollow structure; an opening is formed in one end of the antenna shell, and the antenna shell is rotatably connected with the radio frequency coaxial connector at the opening through an antenna fixing seat; one end of the transmission line is connected with the radio frequency coaxial connector, the other end of the transmission line is connected with the antenna oscillator, the antenna oscillator comprises a base layer, and an antenna line and a welding spot which are arranged on the base layer, the antenna line comprises a first line and a second line, and the first line and the second line are symmetrically arranged at intervals; the first circuit comprises a main circuit and a branch circuit, the welding spot is arranged at the central position of the main circuit, the branch circuit is vertically arranged on the main circuit, the branch circuit comprises a 2.4GHz branch, a 5GHz branch and a WIFI6 branch, the length of the 2.4GHz branch is greater than that of the 5GHz branch, and the length of the 5GHz branch is greater than that of the WIFI6 branch; the structure of the second circuit is the same as that of the first circuit.

As a preferable scheme, the antenna fixing seat is rotationally connected with a pin, the antenna shell is provided with a connecting hole, the connecting hole is positioned at the opening, and the antenna fixing seat is arranged in the connecting hole by the interference of the pin.

As a preferable scheme, the transmission line is arranged on the antenna element through a heat-shrinkable sleeve.

As a preferable scheme, the end part of the antenna element is provided with foam, and the foam is arranged between the antenna shell and the antenna element.

As a preferable scheme, the welding spot area of the second circuit is larger than that of the first circuit.

As a preferable scheme, the antenna housing is of a hollow structure manufactured by injection molding of engineering plastics.

Compared with the prior art, the utility model has the beneficial effects that: the utility model can completely meet the frequency range required by WIFI6, has good standing wave ratio of the antenna, antenna gain and antenna efficiency, and has the advantages of good consistency, good stability and no abnormal sound generation during shaking.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the structure of the present utility model;

FIG. 3 is a schematic view of the internal structure of the present utility model;

fig. 4 is a schematic structural diagram of an antenna oscillator according to the present utility model;

FIG. 5 is a state of use diagram of the present utility model;

wherein the accompanying figures identify a list: antenna housing 1, radio frequency coaxial connector 2, transmission line 3, antenna element 4, opening 5, antenna fixing base 6, basic unit 7, antenna wire 8, solder joint 9, first circuit 10, second circuit 11, main circuit 12, branch circuit 13, 2.4GHz branch 14, 5GHz branch 15, WIFI6 branch 16, pin 17, connecting hole 18, heat shrinkage bush 19, foam 20.

Detailed Description

The utility model is further described below in connection with specific embodiments. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

Examples:

as shown in fig. 1 to 5, a radio frequency coaxial connector antenna suitable for WIFI6 comprises an antenna housing 1 and a radio frequency coaxial connector 2, wherein the antenna housing 1 has a hollow structure, and a transmission line 3 and an antenna element 4 are arranged in the hollow structure; an opening 5 is formed in one end of the antenna housing 1, and the antenna housing 1 is rotatably connected with the radio frequency coaxial connector 2 through an antenna fixing seat 6 at the opening 5; one end of the transmission line 3 is connected with the radio frequency coaxial connector 2, the other end of the transmission line 3 is connected with the antenna oscillator 4, the antenna oscillator 4 comprises a base layer 7, and an antenna line 8 and a welding spot 9 which are arranged on the base layer 7, the antenna line 8 comprises a first line 10 and a second line 11, and the first line 10 and the second line 11 are symmetrically arranged at intervals; the first circuit 10 comprises a main circuit 12 and a branch circuit 13, the welding spot 9 is arranged at the central position of the main circuit 12, the branch circuit 13 is vertically arranged on the main circuit 12, the branch circuit 13 comprises a 2.4GHz branch 14, a 5GHz branch 15 and a WIFI6 branch 16, the length of the 2.4GHz branch 14 is greater than the length of the 5GHz branch 15, and the length of the 5GHz branch 15 is greater than the length of the WIFI6 branch 16; the structure of the second circuit 11 is the same as that of the first circuit 10.

Preferably, the antenna fixing seat 6 is rotatably connected with a pin 17, the antenna housing 1 is provided with a connecting hole 18, the connecting hole 18 is located at the opening 5, and the antenna fixing seat 6 is arranged in the connecting hole 18 in an interference manner through the pin 17.

Specifically, in this embodiment, the pin 17 is made of copper material and plays a role of a rotating shaft, and the pin 17 is fixed in the connecting hole 18 of the antenna housing 1, so that the pin still cannot fall off when the bending time of the antenna exceeds 300 times.

Preferably, the transmission line 3 is arranged on the antenna element 4 by means of a heat shrink 19.

Specifically, the transmission line 3 in this embodiment adopts an RG-178 coaxial cable, and has a certain strength, toughness and excellent transmission performance.

More specifically, the 3.0mm thickened heat-shrinkable sleeve 19 is adopted in the embodiment, so that the antenna oscillator 4 and the transmission line 3 are firmly wrapped tightly by the heat-shrinkable sleeve 19, and the ground of the antenna oscillator 4 and the shielding layer of the transmission line 3 are always in a uniform and fixed position, so that the antenna oscillator has the advantages of good consistency and good stability.

Preferably, a foam 20 is disposed at an end of the antenna element 4, and the foam 20 is disposed between the antenna housing 1 and the antenna element 4.

Specifically, the antenna element 4 is designed in a PCB manner, and the dipole and the linear polarization can simultaneously satisfy the horizontal polarization and the vertical polarization, so that the antenna can be used in both the vertical and horizontal directions to satisfy the needs of different customers.

More specifically, the foam 20 is made of EVA, and the EVA is made of insulating material, and has soft surface, and has no influence on the radiation of the antenna element 4, and meanwhile, when the antenna shakes, no abnormal sound occurs.

Preferably, the area of the solder joint 9 of the second circuit 11 is larger than the area of the solder joint 9 of the first circuit 10.

Specifically, the welding spot 9 of the second circuit 11 is connected with the shielding layer of the transmission line 3, the welding spot 9 of the first circuit 10 is connected with signals, the area of the welding spot 9 of the second circuit 11 is larger than that of the welding spot 9 of the first circuit 10, the performance is better, and the efficiency is increased.

More specifically, the antenna circuit 8 is a copper foil circuit, and the antenna circuit 8 is designed in a straight line, so that the design is simple, the loss is small, the layout is convenient, and the structure is small.

Preferably, the antenna housing 1 is a hollow structure formed by injection molding engineering plastics.

Specifically, the engineering plastics adopted by the antenna housing 1 include PC engineering plastics, PBT engineering plastics or a combination of the PC engineering plastics and the PBT engineering plastics, but are not limited to the engineering plastics, so as to meet the bending effect of the antenna and better protect the internal parts of the antenna housing 1.

In specific implementation, the antenna of the utility model has the following advantages: (1) The frequency range required by WIFI6 can be completely met, and the antenna has good standing wave ratio, antenna gain and antenna efficiency; (2) The antenna can be bent back and forth by 90-180 degrees, stays, can be used horizontally and vertically, and can meet the horizontal polarization and the vertical polarization of the antenna at the same time; when the frequency is 2.40-2.50GHz, the VSWR is less than or equal to 2.0, the maximum gain is less than or equal to 5.0dBi, and the efficiency is 60-80%; when the frequency is 5.15-7.125GHz, the VSWR is less than or equal to 2.0, the maximum gain is less than or equal to 5.0dBi, and the efficiency is 50-70%; (3) The transmission line 3 uses RG-178 coaxial cable to weld the radio frequency coaxial connector 2 and the antenna oscillator 4, and after baking the transmission line 3 with the thickened heat shrinkage bush 19, the transmission line is fastened at one end of the antenna oscillator 4 to prevent the inconsistent space between the transmission line 3 and the antenna oscillator 4 caused by the bending radius of the transmission line 3 and the rebound resilience of the transmission line 3 when the antenna is bent, and simultaneously, the EVA foam 20 is stuck at the other end of the antenna oscillator 4 to prevent the antenna from generating rattle and sound when shaking, thereby playing a role in shockproof.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. A radio frequency coaxial connector antenna suitable for WIFI6, characterized in that: the antenna comprises an antenna shell and a radio frequency coaxial connector, wherein the antenna shell is of a hollow structure, and a transmission line and an antenna oscillator are arranged in the hollow structure; an opening is formed in one end of the antenna shell, and the antenna shell is rotatably connected with the radio frequency coaxial connector at the opening through an antenna fixing seat; one end of the transmission line is connected with the radio frequency coaxial connector, the other end of the transmission line is connected with the antenna oscillator, the antenna oscillator comprises a base layer, and an antenna line and a welding spot which are arranged on the base layer, the antenna line comprises a first line and a second line, and the first line and the second line are symmetrically arranged at intervals; the first circuit comprises a main circuit and a branch circuit, the welding spot is arranged at the central position of the main circuit, the branch circuit is vertically arranged on the main circuit, the branch circuit comprises a 2.4GHz branch, a 5GHz branch and a WIFI6 branch, the length of the 2.4GHz branch is greater than that of the 5GHz branch, and the length of the 5GHz branch is greater than that of the WIFI6 branch; the structure of the second circuit is the same as that of the first circuit.

2. A radio frequency coaxial connector antenna suitable for WIFI6 according to claim 1, wherein: the antenna fixing seat is rotationally connected with a pin, a connecting hole is formed in the antenna shell, the connecting hole is located at the opening, and the antenna fixing seat is arranged in the connecting hole in an interference mode through the pin.

3. A radio frequency coaxial connector antenna suitable for WIFI6 according to claim 1, wherein: the transmission line is arranged on the antenna element through the heat-shrinkable sleeve.

4. A radio frequency coaxial connector antenna suitable for WIFI6 according to claim 1, wherein: the end part of the antenna oscillator is provided with foam, and the foam is arranged between the antenna shell and the antenna oscillator.

5. A radio frequency coaxial connector antenna suitable for WIFI6 according to claim 1, wherein: the welding spot area of the second circuit is larger than that of the first circuit.

6. A radio frequency coaxial connector antenna suitable for WIFI6 according to claim 1, wherein: the antenna housing is of a hollow structure formed by injection molding of engineering plastics.