CN213242818U

CN213242818U - 5G-MIMO and equal division dual-output GNSS combined antenna

Info

Publication number: CN213242818U
Application number: CN202022524372.8U
Authority: CN
Inventors: 李文博; 荀叶飞
Original assignee: Zhejiang Jinyichang Technology Co ltd
Current assignee: Zhejiang Jinyichang Technology Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-05-18
Anticipated expiration: 2030-11-04

Abstract

The utility model discloses a 5G-MIMO and partition dual output GNSS combined antenna, including upper cover, base, coaxial feeder and connector, the upper cover with base fixed connection, place in the one end of coaxial feeder the upper cover with the base surrounds the package appearance chamber that forms, and the other end of coaxial feeder with connector electric connection, the package appearance chamber is equipped with first 5G antenna, second 5G antenna and GNSS medium antenna. The utility model discloses a 5G-MIMO and partition dual output GNSS combined antenna, it solves difficult problems such as miniaturization, many antenna combination and multifrequency section cover in 5G communication and the GNSS combined antenna design.

Description

5G-MIMO and equal division dual-output GNSS combined antenna

Technical Field

The utility model belongs to the technical field of the combined antenna for wireless communication, concretely relates to 5G-MIMO (multiple-in multiple-out, multi-in multi-out) and partition dual output GNSS (Global Navigation Satellite System) combined antenna.

Background

The antenna is an indispensable key component of wireless communication equipment, and as a transducer, the antenna can radiate guided waves in a waveguide into space and also can convert electromagnetic waves in the space into guided waves in the waveguide. The quality of the antenna performance directly affects the communication quality. Along with the development of science and technology, the level of integration improves, and wireless terminal's volume constantly reduces, and this has brought the difficult problem for the design of antenna, and the problem such as antenna miniaturization, mutual interference and wide band multifrequency cover between the antenna all need solve.

Along with the rapid development of mobile communication and navigation positioning technologies, the demand of multifunctional combined antennas with good performance is obviously increased, in the aspect of communication antennas, the general single-transmitting single-receiving antenna can not meet the requirement of daily life, and the introduction of the MIMO technology enables the volume of the combined antenna to be forced to be enlarged again; in the aspect of navigation positioning antenna, the requirement of high-precision positioning has become the standard configuration of daily life, the requirement of positioning precision is basically in sub-meter level or centimeter level, and the requirement of high-precision positioning makes the antenna need to be fed doubly at least, so the technical problem solved by the invention is as follows: the problems of miniaturization, multi-antenna combination, multi-band coverage and the like in the design of the 5G communication and GNSS combined antenna are solved.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides 5G-MIMO and partition dual output GNSS combined antenna, its miniaturization, many antenna combination and difficult problems such as multifrequency section cover in solving 5G communication and GNSS combined antenna design.

In order to achieve the above object, the utility model provides a 5G-MIMO and partition dual output GNSS combined antenna (be used for solving miniaturization, many antenna combination and multifrequency section cover in 5G communication and the GNSS combined antenna design), including upper cover, base, coaxial feeder and connector, the upper cover with base fixed connection, place in the one end of coaxial feeder the upper cover with the base surrounds the packet appearance chamber that forms, and the other end of coaxial feeder with connector electric connection, the packet appearance chamber is equipped with first 5G antenna, second 5G antenna and GNSS medium antenna, first 5G antenna with second 5G antenna is located same horizontal plane and all is located the top of GNSS medium antenna, first 5G antenna with second 5G antenna with all be equipped with the distance between the GNSS medium antenna (first 5G antenna, second 5G antenna and GNSS medium antenna), The second 5G antenna and the GNSS dielectric antenna are both located on respective PCB substrates, so the first 5G antenna, the second 5G antenna and the GNSS dielectric antenna mentioned in the present invention default to include respective PCB substrates, and cut off the PCB substrate above the projection of the GNSS dielectric antenna);

a radio frequency circuit, an equal-division microstrip Wilkinson power divider, a first shielding cover and a second shielding cover are arranged on one side, away from the first 5G antenna and the second 5G antenna, of the GNSS dielectric antenna (on a PCB substrate), the first shielding cover covers the radio frequency circuit and a first transmission line (70.7 omega transmission line part) of the equal-division microstrip Wilkinson power divider, and the second shielding cover covers the radio frequency circuit and a second transmission line (equal-division input/output transmission line) of the equal-division microstrip Wilkinson power divider.

As a further preferable technical solution of the above technical solution, the GNSS dielectric antenna is a ceramic dielectric microstrip antenna fed by a single point, and a radiation surface of the GNSS dielectric antenna has a corner cut structure (for realizing circular polarization).

As a further preferable technical solution of the above technical solution, the upper cover and the base are connected by a snap.

As a further preferred technical scheme of the above technical scheme, both sides of the base are provided with connecting ends, and the connecting ends are provided with connecting holes.

As a further preferable technical solution of the above technical solution, the GNSS dielectric antenna is fixedly connected to the base through screws (the GNSS dielectric antenna is fixed to the base through screws, and the equal division of dual outputs is realized through an equal division microstrip wilkinson power divider structure, and meanwhile, in order to meet the requirement of miniaturization, a radio frequency circuit part is enclosed by a 70.7 Ω transmission line of the power divider and a certain distance is kept between the two, and at the same time, one large shield and one small shield are respectively additionally provided on a 70.7 Ω transmission line part of the radio frequency circuit and the power divider and an equal division input/output transmission line of the power divider, so as to further prevent interference).

The utility model has the advantages that: the combined antenna effectively solves the problem of comprehensive matching of the expanded bandwidth and the multiple frequency bands in the miniaturized design of the antenna by comprehensively matching the expanded bandwidth and the multiple frequency bands in a limited space, and maximizes and reasonably utilizes the space while ensuring that the multiple antennas can normally work. The combined antenna is placed in the same rectangular shell (an upper cover and a base), the GNSS medium antenna is placed on an inner bottom layer of the base, the 5G-MIMO antenna is placed on an upper layer of the GNSS medium antenna, a certain distance is kept between the two antennae, the two antennae both adopt a double-sided PCB copper-clad plate made of FR4 material as a substrate, wherein the 5G-MIMO antenna is positioned at a top layer position, the substrate at a projection position of the GNSS medium antenna is cut off, the GNSS medium antenna is positioned on a bottom layer substrate and is fixed on the lower cover through a screw, equal division and double output are realized through an equal division microstrip Wilkinson power divider structure, simultaneously, in order to meet miniaturization requirements, a radio frequency circuit part is surrounded by a 70.7 omega transmission line of the power divider and a certain distance is kept between the two antennae, and simultaneously, two shielding covers with one large power and one small power are respectively additionally arranged on a 70.7 omega transmission line part of the radio frequency circuit and the, further preventing interference.

Drawings

Fig. 1 is a schematic structural diagram of the 5G-MIMO and equal division dual output GNSS combined antenna of the present invention.

Fig. 2 is a schematic diagram of the internal front structure of the 5G-MIMO and equal division dual output GNSS combined antenna of the present invention.

Fig. 3 is a schematic diagram of the internal back structure of the 5G-MIMO and equal division dual output GNSS combined antenna of the present invention.

The reference numerals include: 10. an upper cover; 20. a base; 21. buckling; 22. a connecting end; 23. connecting holes; 30. a coaxial feed line; 40. a connector; 50. a first 5G antenna; 60. a second 5G antenna; 70. a GNSS dielectric antenna; 71. a radiating surface; 72. a first shield case; 73. a second shield case; 74. and (4) screws.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

The utility model discloses a 5G-MIMO and partition dual output GNSS combined antenna, the following combines preferred embodiment, further describes utility model's concrete embodiment.

Referring to fig. 1 of the drawings, fig. 1 is a schematic structural diagram of a 5G-MIMO and equal division dual output GNSS combined antenna of the present invention, fig. 2 is a schematic structural diagram of an internal front side of the 5G-MIMO and equal division dual output GNSS combined antenna of the present invention, and fig. 3 is a schematic structural diagram of an internal back side of the 5G-MIMO and equal division dual output GNSS combined antenna of the present invention.

In the embodiments of the present invention, those skilled in the art will note that the PCB substrate, screws, radio frequency circuit, etc. related to the present invention can be regarded as the prior art.

Preferred embodiments.

The utility model discloses a 5G-MIMO and partition dual output GNSS combined antenna (be used for solving miniaturization, many antenna combination and the multifrequency section in 5G communication and the GNSS combined antenna design and cover), including upper cover 10, base 20, coaxial feeder 30 and connector 40, upper cover 10 with base 20 fixed connection, place in the one end of coaxial feeder 30 upper cover 10 with base 20 surrounds the packet volume of formation (not shown), and the other end of coaxial feeder 30 with connector 40 electric connection, the packet volume is equipped with first 5G antenna 50, second 5G antenna 60 and GNSS medium antenna 70, first 5G antenna 50 with second 5G antenna 60 is located same horizontal plane and all is located the top of GNSS medium antenna 70, first 5G antenna 50 with second 5G antenna 60 with all be equipped with the distance between the GNSS medium antenna 70 (first 5G antenna 50, second 5G antenna 60, The second 5G antenna 60 and the GNSS dielectric antenna 70 are both located on respective PCB substrates, so the first 5G antenna, the second 5G antenna and the GNSS dielectric antenna mentioned in the present invention default to include respective PCB substrates, and cut off the PCB substrate above the projection of the GNSS dielectric antenna 70);

a radio frequency circuit, an equal division microstrip wilkinson power divider, a first shielding cover 72 and a second shielding cover 73 are arranged on one side of the GNSS dielectric antenna 70 (located on the PCB substrate) away from the first 5G antenna 50 and the second 5G antenna 60, the first shielding cover 72 covers the radio frequency circuit and a first transmission line (70.7 Ω transmission line part) of the equal division microstrip wilkinson power divider, and the second shielding cover 73 covers the radio frequency circuit and a second transmission line (equal division input/output transmission line) of the equal division microstrip wilkinson power divider.

Specifically, the GNSS dielectric antenna 70 is a single-point fed ceramic dielectric microstrip antenna, and the radiating surface 71 of the GNSS dielectric antenna 70 has a corner cut structure (for implementing circular polarization).

More specifically, the upper cover 10 and the base 20 are connected by a snap 21.

Further, both sides of the base 20 are provided with connecting ends 22, and the connecting ends 22 are provided with connecting holes 23.

Furthermore, the GNSS dielectric antenna 70 is fixedly connected to the base 20 through screws 74 (the GNSS dielectric antenna 70 is fixed to the base 20 through screws 74, the equal division of dual output is realized through an equal division microstrip wilkinson power divider structure, and meanwhile, in order to meet the requirement of miniaturization, a radio frequency circuit part is surrounded by a 70.7 Ω transmission line of the power divider and a certain distance is kept between the two parts, and meanwhile, one large shielding cover and one small shielding cover are respectively additionally arranged on the 70.7 Ω transmission line part of the radio frequency circuit and the power divider and the equal division input/output transmission line of the power divider, so as to further prevent interference).

It is worth mentioning that the technical features such as the PCB substrate, the screw and the radio frequency circuit that the utility model discloses the patent application relates to should be regarded as prior art, and the concrete structure, the theory of operation and the control mode that may involve, the space arrangement mode of these technical features adopt the conventional selection in this field can, should not be regarded as the utility model discloses a point of invention is located, the utility model discloses a do not do further specifically expand the detailed description.

It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. A5G-MIMO and equal division dual-output GNSS combined antenna comprises an upper cover, a base, a coaxial feeder and a connector, wherein the upper cover is fixedly connected with the base, one end of the coaxial feeder is arranged in a containing cavity formed by surrounding the upper cover and the base, and the other end of the coaxial feeder is electrically connected with the connector;

a radio frequency circuit, an equal-division microstrip Wilkinson power divider, a first shielding cover and a second shielding cover are arranged on one side, away from the first 5G antenna and the second 5G antenna, of the GNSS dielectric antenna, the first shielding cover covers the radio frequency circuit and a first transmission line of the equal-division microstrip Wilkinson power divider, and the second shielding cover covers the radio frequency circuit and a second transmission line of the equal-division microstrip Wilkinson power divider.

2. The combined antenna of claim 1, wherein the GNSS dielectric antenna is a single-point fed ceramic dielectric microstrip antenna, and a radiating plane of the GNSS dielectric antenna has a corner-cut structure.

3. The combined 5G-MIMO and equally divided dual output GNSS antenna of claim 2, wherein the top cover and the base are connected by a snap fit.

4. The combined antenna of claim 3, wherein the base is provided with connecting ends at two sides, and the connecting ends are provided with connecting holes.

5. The combined antenna of claim 4, wherein the GNSS dielectric antenna is fixedly connected to the base via screws.