CN210040529U

CN210040529U - 5G external antenna

Info

Publication number: CN210040529U
Application number: CN201920881598.8U
Authority: CN
Inventors: 庄珍彪; 周琨; 王本英
Original assignee: Dongguan Sen Ling Intelligent Technology Co Ltd
Current assignee: Dongguan Sen Ling Intelligent Technology Co Ltd
Priority date: 2019-06-11
Filing date: 2019-06-11
Publication date: 2020-02-07
Anticipated expiration: 2029-06-11

Abstract

The utility model relates to the technical field of antennas, in particular to a 5G external antenna; the low-frequency broadband grounding device comprises a feeder line, a PCB (printed circuit board), and a feeder point, a grounding point, a low-frequency broadband wire, a medium-frequency broadband wire, a high-frequency broadband wire and a grounding loop which are all arranged on the PCB; the feed point and the grounding point are both arranged at one end of the PCB; the feed point is connected with the core of the feed line; the grounding unit is connected with the shielding layer of the feeder line through a grounding point; the low-frequency broadband wiring is connected with the feed point; the low-frequency broadband wiring, the medium-frequency broadband wiring and the high-frequency broadband wiring are connected in sequence; a first coupling gap is arranged between the low-frequency broadband wiring and the grounding loop; a second coupling gap is arranged between the intermediate frequency broadband wiring and the grounding loop; and a third coupling gap is arranged between the high-frequency broadband wiring and the medium-frequency broadband wiring. The utility model discloses can expand the comprehensive matching degree of bandwidth and multifrequency section, effectively solve the expanded bandwidth that faces in the antenna design.

Description

5G external antenna

Technical Field

The utility model relates to an antenna technology field, concretely relates to 5G external antenna.

Background

The department of industry and informatization in China determined the 5G middle frequency band in 2017, namely 3.4-3.6GHz and 4.8-5.0 GHz. In response to the development of the fifth generation communication (5G), the 5G antenna is now the focus of research and development.

At present, no small-sized PCB antenna compatible with the middle frequency bands of 2G, 3G, 4G and 5G, namely a small-sized PCB antenna with the frequency capable of covering 824-.

Disclosure of Invention

The utility model aims to overcome the shortcoming mentioned above, provide an external antenna of 5G, can cover 689-.

In order to achieve the above purpose, the specific scheme of the utility model is as follows: A5G external antenna comprises a feeder line, a PCB board, and a feeder point, a grounding point, a low-frequency broadband wire, a medium-frequency broadband wire, a high-frequency broadband wire and a grounding loop which are all arranged on the PCB board; the feed point and the grounding point are both arranged at one end of the PCB; the feed point is connected with the core of the feed line; the grounding loop is connected with the shielding layer of the feeder line through the grounding point; the low-frequency broadband routing is connected with the feed point; the low-frequency broadband wiring, the medium-frequency broadband wiring and the high-frequency broadband wiring are connected in sequence; a first coupling gap is arranged between the low-frequency broadband wiring and the grounding loop; a second coupling gap is arranged between the intermediate frequency broadband routing and the grounding loop; and a third coupling gap is arranged between the high-frequency broadband wiring and the medium-frequency broadband wiring.

The utility model is further arranged in that the grounding loop comprises a first transverse part, a second transverse part, a third transverse part, a fourth transverse part, a first vertical part, a second vertical part, a third vertical part and a fourth vertical part; the first vertical part, the second vertical part and the third vertical part are all parallel to the fourth vertical part; two ends of the first transverse part are respectively connected with one end of the first vertical part and one end of the fourth vertical part; two ends of the second transverse part are respectively connected with one end of the second vertical part and one end of the third vertical part; two ends of the third transverse part are respectively connected with the other end of the first vertical part and the other end of the second vertical part; two ends of the fourth transverse part are respectively connected with the other end of the third vertical part and the other end of the fourth vertical part; the low-frequency broadband routing is arranged between the second vertical part and the third vertical part; the low-frequency broadband routing is in coupling connection with the second vertical part and the third vertical part through the first coupling gap; the intermediate frequency broadband routing is in coupling connection with the third transverse part and the fourth transverse part through the second coupling gap; the grounding point is arranged on the second transverse part.

The utility model discloses further set up to, the feeder is the coaxial line.

The utility model discloses further set up to, the low frequency broadband is walked line, the line is walked to the intermediate frequency broadband, the line is walked to the high frequency broadband and ground circuit all cover in doing copper foil on the PCB board.

The utility model is further configured that the 5G external antenna also comprises a plastic cover; the feeder line and the PCB are both arranged in the plastic sleeve.

The utility model has the advantages that: by arranging the low-frequency broadband wiring, the intermediate-frequency broadband wiring and the high-frequency broadband wiring, the comprehensive matching degree of the bandwidth and the multiple frequency bands can be expanded, the comprehensive matching problem of the bandwidth expansion and the multiple frequency bands in the antenna design can be effectively solved, 689-960MHz,1710-2700MHz, 3.3-3.6GHz and 4.8-5.1GHz full frequency bands can be covered, and the goal that VSWR is less than 1.92 is achieved in the working range.

Drawings

The invention is further described with the aid of the accompanying drawings, in which, however, the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be derived from the following drawings without inventive effort.

Fig. 1 is a front view of the present invention;

fig. 2 is a schematic structural diagram of the ground circuit of the present invention;

wherein: 1-a feed line; 2-a PCB board; 3-feeding point; 4-ground point; 5-low frequency broadband routing; 6-intermediate frequency broadband routing; 7-high frequency broadband routing; 8-a ground return; 91-a first coupling slot; 92-a second coupling slot; 93-a third coupling gap; 85-a first transverse portion; 86-a second transverse portion; 87-third lateral portion; 88-a fourth cross portion; 81-a first vertical section; 82-a second vertical section; 83-third vertical section; 84-fourth riser.

Detailed Description

The following detailed description of the present invention, taken in conjunction with the accompanying drawings and specific examples, is not intended to limit the scope of the invention.

As shown in fig. 1 and fig. 2, the 5G external antenna according to this embodiment includes a feeding line 1, a PCB 2, and a feeding point 3, a grounding point 4, a low-frequency broadband line 5, an intermediate-frequency broadband line 6, a high-frequency broadband line 7, and a grounding loop 8 all disposed on the PCB 2; the feed point 3 and the grounding point 4 are both arranged at one end of the PCB 2; the feed point 3 is connected with a wire core of the feed line 1; the grounding loop 8 is connected with the shielding layer of the feeder line 1 through the grounding point 4; the low-frequency broadband wiring 5 is connected with the feed point 3; the low-frequency broadband wiring 5, the medium-frequency broadband wiring 6 and the high-frequency broadband wiring 7 are connected in sequence; a first coupling gap 91 is arranged between the low-frequency broadband wire 5 and the grounding loop 8; a second coupling gap 92 is arranged between the intermediate frequency broadband wire 6 and the grounding loop 8; a third coupling gap 93 is provided between the high frequency broadband line 7 and the medium frequency broadband line 6.

By arranging the low-frequency broadband wiring 5, the intermediate-frequency broadband wiring 6 and the high-frequency broadband wiring 7, coupling gaps are arranged between the low-frequency broadband wiring 5 and the grounding loop 8, between the low-frequency broadband wiring 5 and the intermediate-frequency broadband wiring 6 and between the intermediate-frequency broadband wiring 6 and the high-frequency broadband wiring 7; the comprehensive matching degree of the bandwidth and the multiple frequency bands can be expanded, the comprehensive matching problem of the bandwidth expansion and the multiple frequency bands in the antenna design is effectively solved, the full frequency bands of 689-960MHz,1710-2700MHz, 3.3-3.6GHz and 4.8-5.1GHz are covered, and the goal that VSWR is less than 1.92 in the working range is achieved.

As shown in fig. 1 and fig. 2, in the external antenna for 5G according to this embodiment, the ground loop 8 includes a first horizontal portion 85, a second horizontal portion 86, a third horizontal portion 87, a fourth horizontal portion 88, a first vertical portion 81, a second vertical portion 82, a third vertical portion 83, and a fourth vertical portion 84; the first vertical portion 81, the second vertical portion 82 and the third vertical portion 83 are all parallel to the fourth vertical portion 84; both ends of the first transverse portion 85 are connected to one end of the first vertical portion 81 and one end of the fourth vertical portion 84, respectively; two ends of the second transverse part 86 are respectively connected with one end of the second vertical part 82 and one end of the third vertical part 83; both ends of the third transverse portion 87 are connected to the other end of the first vertical portion 81 and the other end of the second vertical portion 82, respectively; both ends of the fourth transverse portion 88 are connected to the other end of the third vertical portion 83 and the other end of the fourth vertical portion 84, respectively; the low-frequency broadband wire 5 is arranged between the second vertical part 82 and the third vertical part 83; the low-frequency broadband wire 5 is coupled with the second vertical portion 82 and the third vertical portion 83 through the first coupling gap 91; the intermediate frequency broadband wire 6 is coupled to the third cross portion 87 and the fourth cross portion 88 through the second coupling slit 92; the grounding point 4 is provided on the second lateral portion 86.

By arranging the grounding loop 8 with the concave structure, the integral compactness of the antenna can be improved, and meanwhile, the multi-band matching degree can be balanced; the antenna has small volume, wide bandwidth and high efficiency.

As shown in fig. 1 and fig. 2, in the external 5G antenna according to this embodiment, the feeder 1 is a coaxial line. Specifically, the coaxial line includes sinle silk and wrap up in sinle silk outlying ground weave layer, the sinle silk with the line 5 is walked to the low frequency broadband is connected, ground weave layer with ground return circuit 8 is connected.

As shown in fig. 1 and fig. 2, in the external antenna with 5G according to this embodiment, the low-frequency broadband line 5, the intermediate-frequency broadband line 6, the high-frequency broadband line 7, and the ground loop 8 are all covered with copper foil on the PCB 2. The antenna is used for improving the compactness of the antenna structure, reducing the volume of the antenna, being convenient to process and reducing the material cost.

As shown in fig. 1 and fig. 2, in the external antenna for 5G according to the embodiment, the external antenna for 5G further includes a plastic sleeve; the feeder line 1 and the PCB board 2 are both arranged in the plastic sleeve. The internal component is used for protecting the high-gain dual-frequency WiFi external antenna.

The above is only a preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the protection scope of the present invention.

Claims

1. A5G external antenna is characterized in that: the device comprises a feeder line (1), a PCB (printed circuit board) (2), and a feeder point (3), a grounding point (4), a low-frequency broadband wiring (5), an intermediate-frequency broadband wiring (6), a high-frequency broadband wiring (7) and a grounding loop (8) which are all arranged on the PCB (2);

the feed point (3) and the grounding point (4) are both arranged at one end of the PCB (2);

the feed point (3) is connected with a wire core of the feeder (1);

the grounding loop (8) is connected with the shielding layer of the feeder (1) through the grounding point (4);

the low-frequency broadband wiring (5) is connected with the feed point (3);

the low-frequency broadband wiring (5), the intermediate-frequency broadband wiring (6) and the high-frequency broadband wiring (7) are connected in sequence;

a first coupling gap (91) is arranged between the low-frequency broadband wiring (5) and the grounding loop (8); a second coupling gap (92) is arranged between the intermediate frequency broadband wiring (6) and the grounding loop (8); and a third coupling gap (93) is arranged between the high-frequency broadband wiring (7) and the intermediate-frequency broadband wiring (6).

2. The external antenna of claim 1, wherein: the ground circuit (8) comprises a first transverse part (85), a second transverse part (86), a third transverse part (87), a fourth transverse part (88), a first vertical part (81), a second vertical part (82), a third vertical part (83) and a fourth vertical part (84);

the first vertical part (81), the second vertical part (82) and the third vertical part (83) are all parallel to the fourth vertical part (84);

two ends of the first transverse part (85) are respectively connected with one end of the first vertical part (81) and one end of the fourth vertical part (84); two ends of the second transverse part (86) are respectively connected with one end of the second vertical part (82) and one end of the third vertical part (83); two ends of the third transverse part (87) are respectively connected with the other end of the first vertical part (81) and the other end of the second vertical part (82); two ends of the fourth transverse part (88) are respectively connected with the other end of the third vertical part (83) and the other end of the fourth vertical part (84);

the low-frequency broadband wiring (5) is arranged between the second vertical part (82) and the third vertical part (83); the low-frequency broadband wiring (5) is in coupling connection with the second vertical part (82) and the third vertical part (83) through the first coupling gap (91); the intermediate frequency broadband wire (6) is coupled and connected with the third transverse part (87) and the fourth transverse part (88) through the second coupling gap (92); the grounding point (4) is arranged on the second transverse part (86).

3. The external antenna of claim 1, wherein: the feeder (1) is a coaxial line.

4. The external antenna of claim 1, wherein: the low-frequency broadband wiring (5), the intermediate-frequency broadband wiring (6), the high-frequency broadband wiring (7) and the grounding circuit (8) are covered with copper foil on the PCB (2).

5. The external antenna of claim 1, wherein: the 5G external antenna also comprises a plastic sleeve; the feeder line (1) and the PCB (2) are arranged in the plastic sleeve.