CN215834696U

CN215834696U - 4G antenna and wireless network terminal equipment

Info

Publication number: CN215834696U
Application number: CN202121883132.5U
Authority: CN
Inventors: 杨运刚; 肖汉
Original assignee: Shenzhen Yingjiachuang Electronic Technology Co ltd
Current assignee: Shenzhen Yingjiachuang Electronic Technology Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-15
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a 4G antenna, and belongs to the technical field of antennas. This 4G antenna includes the body of rod, the body of rod is equipped with PCB board, first radiation oscillator, second radiation oscillator, first radiation oscillator pass through the transmission line with second radiation oscillator connects and switches on, first radiation oscillator constitute the half-wave oscillator behind the second radiation oscillator feed, the bottom of PCB board is equipped with the impedance matcher. The 4G antenna has wider frequency band, covers 2G, 3G and 4G frequency bands, has low standing-wave ratio, good out-of-roundness of the antenna, firm structure and attractive appearance, can be matched with a terminal device, and provides better electrical performance indexes.

Description

4G antenna and wireless network terminal equipment

Technical Field

The utility model relates to the technical field of antennas, in particular to a 4G antenna and wireless network terminal equipment.

Background

The antenna is an indispensable key component of the wireless communication equipment and is used for transmitting or receiving radio waves to transmit wireless signals, the antenna is the front end of the whole wireless communication equipment, and the performance of the antenna plays a crucial role in the performance of the whole equipment.

With the rapid development of mobile communication technology, bandwidth expansion is always the direction of terminal antenna development, and 4G networks gradually realize comprehensive coverage on the basis of 2G and 3G. How to realize the application of the miniaturized external antenna in the multimode communication module with the limited size and space of the shell, simultaneously form the low standing wave characteristic and provide better electrical performance indexes, and the matching with the terminal equipment is the problem which is about to be solved by the 4G antenna at present.

SUMMERY OF THE UTILITY MODEL

In view of the above technical problems, embodiments of the present invention provide a 4G antenna and a wireless network terminal device.

The first aspect of the embodiment of the utility model provides a 4G antenna, which comprises a rod body, wherein the rod body is provided with a PCB (printed circuit board), a first radiation oscillator and a second radiation oscillator, the first radiation oscillator is connected and conducted with the second radiation oscillator through a transmission line, the first radiation oscillator and the second radiation oscillator form a half-wave oscillator after feeding, and the bottom of the PCB is provided with an impedance matcher.

In one embodiment, the PCB is a single-sided copper-clad PCB.

In an embodiment, the rod body is further provided with an external antenna and an internal antenna, the external antenna is provided with a joint movably connected with the rod body, the internal antenna is provided with a feed connection part and a ground welding part, the feed connection part is connected with the transmission line, a connection cable is arranged in the rod body, one end of the connection cable is in riveting connection with the joint, and the other end of the connection cable is respectively in welding conduction with the feed connection part and the ground welding part.

In one embodiment, the connecting cable is provided with an outer conductor and an inner conductor, the inner conductor at the corresponding end of the connecting cable is in welding conduction with the feed connection, and the outer conductor at the corresponding end of the connecting cable is in welding conduction with the ground welding.

In one embodiment, a dielectric is disposed between the outer conductor and the inner conductor.

In one embodiment, the outer conductor and the inner conductor are respectively provided with a tin plating structure.

In one embodiment, the rod body is provided with an upper fixing seat, and the joint is movably connected with the upper fixing seat.

In one embodiment, the joint is provided with a lower fixed seat close to the upper fixed seat, and the lower fixed seat and the joint move synchronously.

In one embodiment, a rod sleeve is arranged outside the rod body.

A second aspect of the embodiments of the present invention provides a wireless network terminal device, including the above-mentioned 4G antenna.

In the technical scheme provided by the embodiment of the utility model, the first radiation oscillator is connected and conducted with the second radiation oscillator through the transmission line, the first radiation oscillator and the second radiation oscillator form a half-wave oscillator after feeding, and the bottom of the PCB is provided with an impedance matcher which has the function of enabling the impedance of the antenna to be more matched to form the characteristic of low standing wave; the 4G antenna has wider frequency band, covers 2G, 3G and 4G frequency bands, has low standing-wave ratio, good out-of-roundness of the antenna, firm structure and attractive appearance, can be matched with a terminal device, and provides better electrical performance indexes.

Drawings

FIG. 1 is a schematic diagram of a 4G antenna according to the present invention;

FIG. 2 is a cross-sectional view of a 4G antenna of the present invention;

fig. 3 is a schematic view of the construction of the connection cable of the present invention.

In the figure: a PCB board 10; a first radiation element 20; a second radiation element 30; a transmission line 40; an impedance matcher 50; a joint 60; a feed connection 70; a ground weld 80; a connection cable 90; an outer conductor 91; an inner conductor 92; a medium 93; an upper fixing base 100; a lower fixing base 110; a rod sleeve 120.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the following embodiments may be combined without conflict.

See fig. 1-3 for: the utility model discloses a 4G antenna, which comprises a rod body, wherein a rod sleeve 120 is arranged outside the rod body, the rod body is provided with a PCB (printed circuit board) 10, a first radiation oscillator 20 and a second radiation oscillator 30, the PCB 10 is arranged in the rod sleeve 120, the first radiation oscillator 20 is connected and conducted with the second radiation oscillator 30 through a transmission line 40, the first radiation oscillator 20 and the second radiation oscillator 30 form a half-wave oscillator after feeding, and an impedance matcher 50 is arranged at the bottom of the PCB 10.

The length of the first radiating element 20 of the 4G antenna is 1/4 wavelengths, the first radiating element 20 is connected and conducted with the second radiating element 30 through the transmission line 40, the length of the second radiating element 30 is 5/8 wavelengths, the bottom of the PCB 10 is provided with an impedance matcher 50, and the frequency band of the antenna is 4G frequency band. The first radiating element 20 and the second radiating element 30 form a half-wave element after being fed, and the impedance matcher has the function of enabling the impedance of the antenna to be matched better and forming the characteristic of low standing wave. The 4G antenna has wider frequency band, covers 2G, 3G and 4G frequency bands, has low standing-wave ratio, good out-of-roundness of the antenna, firm structure and attractive appearance, can be matched with a terminal device, and provides better electrical performance indexes.

The utility model also protects wireless network terminal equipment comprising the 4G antenna.

In the 4G antenna, the PCB 10 is a single-sided copper-clad PCB, the rod body is further provided with an external antenna and an internal antenna, the external antenna is provided with a joint 60 movably connected with the rod body, the internal antenna is provided with a feed connection part 70 and a ground welding part 80, the feed connection part 70 is connected with the transmission line 40, a connecting cable 90 is arranged in the rod body, one end of the connecting cable 90 is connected with the joint 60 in a riveting mode, and the other end of the connecting cable 90 is respectively connected with the feed connection part 70 and the ground welding part 80 in a welding mode.

Further, the connecting cable is provided with an outer conductor 91 and an inner conductor 92, a medium 93 is arranged between the outer conductor 91 and the inner conductor 92, and the outer conductor 91 and the inner conductor 92 are respectively provided with a tin-plated structure; the inner conductor 92 at the end corresponding to the connecting cable is welded to the feeding connection, and the outer conductor 91 at the end corresponding to the connecting cable is welded to the grounding connection.

One end of the connecting cable is connected and conducted with the joint, the inner conductor at the other end of the connecting cable is welded and conducted with the feed connection position of the first radiation oscillator in the PCB, the outer conductor is welded and conducted with the ground welding position, the PCB is preferably an FR4 single-sided copper-clad PCB, and the dielectric constant is 4.2-4.6.

Further, for making the installation remove reliably, it is more convenient to use, install fixing base 100 on the body of rod, connect with go up fixing base 100 swing joint, connect and install on the joint and be close to go up the lower fixing base 110 of fixing base 100, lower fixing base 110 with connect synchronous motion.

This 4G antenna's joint is fixed with lower fixing base installation, and lower fixing base is fixed with last fixing base installation, goes up fixing base and pole cover 120 installation fixed, and the PCB board is in pole cover 120, and connecting cable passes fixing base, lower fixing base, and is connected with the PCB board in the pole cover 120.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a 4G antenna, its characterized in that, includes the body of rod, the body of rod is equipped with PCB board, first radiation oscillator, second radiation oscillator, first radiation oscillator pass through the transmission line with second radiation oscillator connects and switches on, first radiation oscillator constitute the half-wave oscillator behind the second radiation oscillator feed, the bottom of PCB board is equipped with the impedance matcher.

2. The 4G antenna according to claim 1, wherein the PCB is a single-sided copper-clad PCB.

3. The 4G antenna according to claim 1, wherein the rod body is further provided with an external antenna and an internal antenna, the external antenna is provided with a connector movably connected with the rod body, the internal antenna is provided with a feed connection part and a grounding welding part, the feed connection part is connected with the transmission line, a connecting cable is arranged in the rod body, one end of the connecting cable is connected with the connector in a riveting manner, and the other end of the connecting cable is respectively connected with the feed connection part and the grounding welding part in a welding and conducting manner.

4. A 4G antenna according to claim 3, wherein the connection cable has an outer conductor and an inner conductor, the inner conductor of the corresponding end of the connection cable is soldered to the feed connection, and the outer conductor of the corresponding end of the connection cable is soldered to the ground connection.

5. A4G antenna according to claim 4, wherein a dielectric is provided between the outer conductor and the inner conductor.

6. A4G antenna according to claim 4, wherein the outer conductor and the inner conductor are each provided as a tin-plated structure.

7. The 4G antenna according to claim 3, wherein the rod body is provided with an upper fixing seat, and the joint is movably connected with the upper fixing seat.

8. A4G antenna according to claim 7, wherein the connector is provided with a lower mounting adjacent the upper mounting, the lower mounting and the connector moving in synchronism.

9. The 4G antenna according to claim 1, wherein a rod sleeve is arranged outside the rod body.

10. A wireless network terminal device, characterized in that it comprises a 4G antenna according to any of claims 1 to 9.