CN216529364U

CN216529364U - Ultra-wideband WIFI6E antenna

Info

Publication number: CN216529364U
Application number: CN202220082470.7U
Authority: CN
Inventors: 刘少鹏
Original assignee: Dongguan Seya Electronic Communication Co ltd
Current assignee: Dongguan Seya Electronic Communication Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-05-13
Anticipated expiration: 2032-01-13

Abstract

An ultra-wideband WIFI6E antenna, comprising: joint, coaxial conductor, circuit board and shell, coaxial conductor extend to the inside of shell from the inside of joint, and the circuit board is located the inside of shell, and coaxial conductor has outer shielding layer and center line, and the front of circuit board has ground connection sheetmetal and signal sheetmetal, and coaxial conductor's center line and signal sheetmetal form the electricity and are connected its characterized in that: the grounding metal sheet has a first grounding portion and a second grounding portion, the area of the first grounding portion is larger than that of the second grounding portion, the second grounding portion has a grounding pad, and the outer shielding layer of the coaxial conductor is electrically connected with the grounding pad. The ultra-wideband WIFI6E antenna only adopts the structure of the printed circuit board, so that the material cost is reduced, the assembly process is simplified, and the function of greatly expanding the working bandwidth of the antenna is realized by using a simple oscillator structure.

Description

Ultra-wideband WIFI6E antenna

Technical Field

The utility model relates to a WIFI antenna, in particular to an ultra-wideband WIFI6E antenna.

Background

WIFI is a wireless local area network technology established in the IEEE 802.11 standard, at present, almost all smart phones, tablet computers and notebook computers support WIFI internet surfing, and WIFI is a wireless network transmission technology which is most widely used at present.

Structurally, traditional external WIFI antenna comprises steering seat, joint, antenna case and the upper and lower copper pipe and the heliciform antenna of setting in antenna case usually. However, the conventional WIFI antenna has the disadvantages of complex structure, high material cost, assembly by adopting a welding process, and the like. In addition, with the advent and application of the WIFI6E technology, the 2.4GHz and 5.8GHz working bands included in the conventional WIFI antenna cannot meet the spectrum requirements of the new technology.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, the technical solution of the present invention is to provide an ultra-wideband WIFI6E antenna, including: the coaxial cable comprises a connector, a coaxial cable, a circuit board and a shell, wherein the coaxial cable extends from the inside of the connector to the inside of the shell, the circuit board is positioned in the shell, the coaxial cable is provided with an outer shielding layer and a center line, the front surface of the circuit board is provided with a grounding metal sheet and a signal metal sheet, and the center line of the coaxial cable is electrically connected with the signal metal sheet, and the coaxial cable is characterized in that: the grounding metal sheet is provided with a first grounding part and a second grounding part, the area of the first grounding part is larger than that of the second grounding part, the second grounding part is provided with a grounding pad, and the outer shielding layer of the coaxial wire is electrically connected with the grounding pad.

Further, the first grounding portion, the second grounding portion and the signal metal sheet are rectangular.

Further, the signal metal piece is closer to the end of the housing than the ground metal piece.

Further, the ultra-wideband WIFI6E antenna further comprises: the one end that turns to the seat forms the swivelling joint of encircleing the direction of extension that is on a parallel with the coaxial conductor with the joint, the other end that turns to the seat forms the swivelling joint of encircleing perpendicular to coaxial conductor direction of extension with the shell, coaxial conductor passes and turns to the seat.

Further, the wiring board is formed of a glass fiber epoxy resin.

Further, the ultra-wideband WIFI6E antenna further comprises: the front face of the foam is fixed with the circuit board, and the back face of the foam is fixed with the shell.

Further, the foam is formed of an ethylene-vinyl acetate copolymer.

Furthermore, the thickness of the foam is 2.3-2.7 mm.

After the technical scheme is adopted, the utility model has the effects that:

1. the ultra-wideband WIFI6E antenna does not adopt the internal structures of the upper copper tube, the lower copper tube and the spiral antenna, only adopts the structure of the printed circuit board, reduces the material cost, simplifies the assembly process, and realizes the function of greatly expanding the working bandwidth of the antenna by using a simple oscillator structure.

2. Above-mentioned ultra wide band WIFI6E antenna has contained 2.4GHz, 5.8GHz and 6GHz working frequency channel, accords with the demand of WIFI6e technique.

Drawings

Fig. 1 is a front perspective view of an ultra-wideband WIFI6E antenna to which the present invention relates;

fig. 2 is a rear perspective view of an ultra-wideband WIFI6E antenna according to the present invention;

fig. 3 is a top perspective view of an ultra-wideband WIFI6E antenna according to the present invention;

fig. 4 is a schematic view of standing wave simulation of the ultra-wideband WIFI6E antenna according to the present invention.

Detailed Description

It is specifically noted that, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise; the meaning of "several" is at least one. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative positional relationship between the components, the movement, and the like in a certain posture, and if the certain posture is changed, the directional indicator is changed accordingly.

The technical solution of the present invention is further described by the following examples:

the utility model provides an ultra-wideband WIFI6E antenna, which is shown in fig. 1-3, and the ultra-wideband WIFI6E antenna comprises: the coaxial cable comprises a connector 1, a coaxial conductor 3, a circuit board 4 and a shell 5, wherein the coaxial conductor 3 extends from the inside of the connector 1 to the inside of the shell 5, the circuit board 4 is positioned inside the shell 5, the coaxial conductor 3 is provided with an outer shielding layer and a center line, the front surface of the circuit board 4 is provided with a grounding metal sheet 6 and a signal metal sheet 7, the center line of the coaxial conductor 3 is electrically connected with the signal metal sheet 7, the grounding metal sheet 6 is provided with a first grounding part 6-1 and a second grounding part 6-2, the area of the first grounding part 6-1 is larger than that of the second grounding part 6-2, the second grounding part 6-2 is provided with a grounding pad, and the outer shielding layer of the coaxial conductor 3 is electrically connected with the grounding pad.

When the ultra-wideband WIFI6E antenna works, the connector 1 is connected into signal receiving and transmitting equipment such as a router, the coaxial wire 3 is connected with a circuit board of the signal receiving and transmitting equipment, the grounding metal sheet 6 is used for radiating low-frequency signals, and the signal metal sheet 7 is used for radiating intermediate-frequency signals and is equivalent to a deformation structure of a dipole antenna. Wherein, the grounding metal sheet 6 and the signal metal sheet 7 can be formed on the front surface of the circuit board 4 by printing.

Specifically, the first ground portion 6-1, the second ground portion 6-2, and the signal metal piece 7 are all rectangular. The shape enables the ultra-wideband WIFI6E antenna to have good signal characteristics.

Specifically, the signal metal piece 7 is closer to the end of the housing 5 (i.e., the right end in fig. 1) than the ground metal piece 6. Such a structural arrangement is more advantageous for the signal metal sheet 7 to emit a signal.

Specifically, ultra wide band WIFI6E antenna still includes: and one end of the steering seat 2 is in rotating connection surrounding the extending direction parallel to the coaxial conductor 3 with the joint 1, the other end of the steering seat 2 is in rotating connection surrounding the extending direction perpendicular to the coaxial conductor 3 with the shell 5, and the coaxial conductor 3 passes through the steering seat 2. Due to the arrangement of the steering seat 2, the shell 5 can rotate relative to the steering seat 2, and the steering seat 2 can rotate relative to the joint 1, so that a user can adjust the signal field distribution of the ultra-wideband WIFI6E antenna to a certain degree.

Specifically, the wiring board 4 is formed of a glass fiber epoxy resin (FR 4). The glass fiber epoxy resin has a relative dielectric constant of 4.4 and a loss tangent of 0.02, and can improve the signal characteristics of the ultra-wideband WIFI6E antenna.

Specifically, ultra wide band WIFI6E antenna still includes: the foam 8, the front of the foam 8 and the circuit board 4 are fixed, and the back of the foam 8 and the shell 5 are fixed. The circuit board 4 can be prevented from shaking by fixing the foam 8, and the foam 8 cannot abrade the circuit board 4.

More specifically, the foam 8 is formed of ethylene-vinyl acetate copolymer (EVA). The ethylene-vinyl acetate copolymer basically does not influence the transmission of signals, and the signal characteristics of the ultra-wideband WIFI6E antenna can be ensured.

More specifically, the foam 8 has a thickness of 2.3 to 2.7mm (i.e., a length in the vertical direction in fig. 3). In this example, the thickness of the foam 8 is 2.5 mm.

As shown in fig. 4, when the ultra-wideband WIFI6E antenna works in a frequency band of 2.4 to 7.1GHz, the standing wave satisfies the requirement of VSWR <3, so that the working frequency bands of 2.4GHz, 5.8GHz and 6GHz are included, and the requirement of the WIFI6e technology is met.

The above-described embodiments are merely preferred examples of the present invention, and not intended to limit the scope of the utility model, so that equivalent changes or modifications in the structure, features and principles of the utility model described in the claims should be included in the claims.

Claims

1. An ultra-wideband WIFI6E antenna, comprising: the coaxial cable comprises a connector, a coaxial cable, a circuit board and a shell, wherein the coaxial cable extends from the inside of the connector to the inside of the shell, the circuit board is positioned in the shell, the coaxial cable is provided with an outer shielding layer and a center line, the front surface of the circuit board is provided with a grounding metal sheet and a signal metal sheet, and the center line of the coaxial cable is electrically connected with the signal metal sheet, and the coaxial cable is characterized in that: the grounding metal sheet is provided with a first grounding part and a second grounding part, the area of the first grounding part is larger than that of the second grounding part, the second grounding part is provided with a grounding pad, and the outer shielding layer of the coaxial wire is electrically connected with the grounding pad.

2. The ultra-wideband WIFI6E antenna of claim 1, wherein: the first grounding part, the second grounding part and the signal metal sheet are all rectangular.

3. The ultra-wideband WIFI6E antenna of claim 1, wherein: the signal metal piece is closer to the end of the housing than the ground metal piece.

4. The ultra-wideband WIFI6E antenna of claim 1, wherein: the ultra-wideband WIFI6E antenna further comprises: the one end that turns to the seat forms the swivelling joint of encircleing the direction of extension that is on a parallel with the coaxial conductor with the joint, the other end that turns to the seat forms the swivelling joint of encircleing perpendicular to coaxial conductor direction of extension with the shell, coaxial conductor passes and turns to the seat.

5. The ultra-wideband WIFI6E antenna of claim 1, wherein: the circuit board is formed of glass fiber epoxy.

6. The ultra-wideband WIFI6E antenna of claim 1, wherein: the ultra-wideband WIFI6E antenna further comprises: the front face of the foam is fixed with the circuit board, and the back face of the foam is fixed with the shell.

7. The ultra-wideband WIFI6E antenna of claim 6, wherein: the foam is formed from ethylene-vinyl acetate copolymer.

8. The ultra-wideband WIFI6E antenna of claim 6, wherein: the thickness of the foam is 2.3-2.7 mm.