CN210926308U

CN210926308U - Dual-polarization duplex oscillator and antenna

Info

Publication number: CN210926308U
Application number: CN201922428064.2U
Authority: CN
Inventors: 王强; 陆国标; 张鑫桢
Original assignee: Comba Telecom Technology Guangzhou Ltd
Current assignee: Comba Telecom Technology Guangzhou Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-03
Anticipated expiration: 2029-12-27

Abstract

The utility model provides a dual polarization duplex oscillator and antenna, the medium base plate that sets up including the radiating arm that four centrosymmetric set up and two mutually perpendicular, be equipped with two feeders of working in different frequency channels on the medium base plate, every two feeders on the medium base plate carry out the feed for a set of radiating arm that the diagonal angle set up, and same the feed current opposite direction of two feeders on the medium base plate. Through setting up two mutually perpendicular's dielectric substrate, feeder on every dielectric substrate is two radiating arm feeds that the diagonal set up, has realized the dual polarized radiation direction of oscillator, and because the frequency channel of two feeders on same dielectric substrate is different, two feeders are the radiating arm feed that a set of diagonal set up, make two radiating arms can receive and transmit radiation signal simultaneously, have realized the function of duplex, need not plus the duplexer or set up the dual polarized oscillator of two different frequencies, simple structure is compact, and the complexity is reduced, also reduces holistic loss.

Description

Dual-polarization duplex oscillator and antenna

Technical Field

The utility model relates to a mobile communication technology field especially relates to a dual polarization duplex oscillator and antenna.

Background

With the advance of 4G network construction in various regions around the world, 5G gradually starts to be tried, and antennas supporting multiple network systems become urgent needs of various operators, so that multi-frequency antennas become the first choice of various operators. At present, two ways of realizing dual polarization and transceiving duplex simultaneously are mainly provided, one way is realized by respectively connecting two dual-polarized oscillators with different frequencies with corresponding filters and matching networks; the other is realized by connecting two duplexers by using a broadband dual-polarized oscillator. Both of these approaches increase the size, loss, and complexity of the system.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a first purpose aims at providing a dual polarization duplex oscillator that can simplify structure and reduce loss.

Another object of the present invention is to provide an antenna using the dual-polarized duplex oscillator.

In order to achieve the above object, the present invention provides the following technical solutions:

a dual-polarized duplex oscillator comprises four radiating arms arranged in central symmetry and two mutually perpendicular medium substrates, wherein two feeders working at different frequency bands are arranged on each medium substrate, the two feeders on each medium substrate feed a group of radiating arms arranged diagonally, and the directions of feed currents of the two feeders on the same medium substrate are opposite.

Further setting: the dual-polarized duplex oscillator further comprises four baluns, each balun is correspondingly connected with the radiating arm, and an installation groove for the medium substrate to be inserted and fixed is formed in each balun along the diagonal direction of the duplex oscillator.

Further setting: the balun and the radiation arm are integrally formed in a die-casting mode.

Further setting: the feeder line comprises a filter section for filtering, an impedance transformation section for adjusting impedance and a coupling section for coupling and connecting with the radiation arm, wherein the impedance transformation section is connected with the coupling section, and the filter section is connected with the impedance transformation section.

Further setting: the feeder line comprises a feed end, the coupling section extends vertically and is arranged in the mounting grooves of the two baluns corresponding to the feed end, the impedance change section extends upwards and vertically from the feed end to the top of the dielectric substrate and then bends and extends to be connected with the coupling section, and the impedance change section is provided with an open-circuit branch or a short-circuit branch near the feed end to form the filter section.

Further setting: the feed end is arranged at the bottom of the dielectric substrate and is used for being connected with a feed cable so as to feed the feed line.

Further setting: the two feeder lines are respectively arranged on two sides of the dielectric substrate.

Further setting: and the middle parts of the two medium substrates are respectively provided with a mounting gap which enables the two medium substrates to be mutually crossed and spliced along the vertical direction.

The utility model also provides an antenna, including foretell dual polarization duplex oscillator.

Compared with the prior art, the utility model discloses a scheme has following advantage:

1. the utility model relates to an among the dual polarization duplex oscillator, through setting up two mutually perpendicular's medium base plate, feeder on every medium base plate is two radiating arm feeds that the diagonal angle set up, the dual polarized radiation direction of oscillator has been realized, and because the frequency channel of two feeders on the same medium base plate is different, two feeders are the radiating arm feed that a set of diagonal angle set up, make two radiating arms can receive simultaneously and transmit the signal of different frequencies, duplex function has been realized, need not plus the duplexer or set up the dual polarization oscillator of two different frequencies, moreover, the steam generator is simple in structure, and the complexity is reduced, and the whole loss is also reduced.

2. The utility model relates to an among the antenna, through adopting foretell double polarization duplex oscillator, need not external duplexer and can realize duplex function, reduced the holistic structure of antenna, make the antenna more miniaturized, also make the loss of antenna reduce simultaneously.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a top view of an embodiment of a dual-polarized duplex oscillator according to the present invention;

fig. 2 is a schematic structural diagram of an embodiment of the dual-polarized duplex oscillator of the present invention;

FIG. 3 is a schematic structural diagram of one of the dielectric substrates according to the present invention;

fig. 4 is a schematic structural diagram of another dielectric substrate according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 4, the utility model provides an antenna, including dual polarization duplex oscillator, dual polarization duplex oscillator includes four medium base plate 2 that are the radiating arm 1 and two mutually perpendicular settings that central symmetry set up, be equipped with two feeders 3 of working in different frequency channels on the medium base plate 2, every two feeders 3 of medium base plate 2 feed for a set of radiating arm 1 of diagonal angle setting, specifically, two feeders 3 all with two radiating arm 1 coupling connections of diagonal angle setting, same the feed current opposite direction of two feeders 3 on the medium base plate 2. Preferably, the two feed lines 3 on each dielectric substrate 2 are respectively arranged at two sides of the dielectric substrate 2, and the two feed lines 3 do not overlap along the projection area of the dielectric substrate 2.

Through setting up two mutually perpendicular's dielectric substrate 2, feeder 3 on every dielectric substrate 2 is two radiating arm 1 feeds that the diagonal angle set up, the dual polarized radiation direction of oscillator has been realized, and because the frequency channel of two feeder 3 on the same dielectric substrate 2 is different, two feeder 3 are the same radiating arm feed that the diagonal angle set up, make two radiating arm 1 can receive and launch the signal of two kinds of different frequency channels simultaneously, the function of duplex has been realized, need not additionally to add the duplexer or set up the dual polarized oscillator of two different frequencies, moreover, the steam generator is simple and compact in structure, the complexity is reduced, the holistic loss is also reduced.

Further, the dual-polarized duplex oscillator further comprises four baluns 4, each balun 4 is correspondingly connected with the radiating arm 1, and preferably, the baluns 4 and the radiating arm 1 are integrally formed through die casting. In the present embodiment, a space is formed between two adjacent radiation arms 1 and between two adjacent baluns 4. The length of the radiation arm 1 is 0.25 times of the wavelength of the central frequency of the working frequency band, and the height is 0.25 times of the central frequency of the working frequency band, and the working frequency band can be 1695-. In the embodiment, the operating frequency ranges of the two feed lines 3 on the same dielectric substrate 2 are 1695-.

An installation groove 41 into which the dielectric substrate 2 can be inserted is formed in the balun 4 along the diagonal direction of the duplex oscillator, and the installation groove 41 extends to the top of the radiation arm 1. Through set up mounting groove 41 on balun 4, mounting groove 41 can provide limiting displacement for dielectric substrate 2's installation, makes dielectric substrate 2 be connected more stably with balun 4, also makes the whole occupation space of oscillator littleer, and is more miniaturized.

Further, the middle portions of the two dielectric substrates 2 are respectively and correspondingly provided with mounting notches 21 along the vertical direction, so that the two dielectric substrates 2 are mutually crossed, inserted and fixed, specifically, the mounting notch 21 of one of the dielectric substrates 2 is arranged downwards, and the mounting notch 21 on the other dielectric substrate 2 is arranged upwards. When assembling the two dielectric substrates 2, the two dielectric substrates 2 are placed perpendicular to each other, and the two mounting notches 21 on the two dielectric substrates 2 are inserted oppositely, so that the two dielectric substrates 2 are fixed to each other.

In the present embodiment, the feeder line 3 includes a filter section 31 for filtering, an impedance transformation section 32 for adjusting impedance, and a coupling section 33 for coupling with the radiation arm 1 and feeding the radiation arm 1. Specifically, the feeder line 3 further includes a feeding end 34, the coupling section 33 extends vertically and is disposed in the mounting grooves 41 of the two baluns 4 corresponding to the feeding end 34, the impedance transformation section 32 extends vertically from the feeding end 34 to the top of the dielectric substrate 2, and then bends and extends to be connected with the coupling section 33, and an open-circuit branch or a short-circuit branch is disposed at a position of the impedance transformation section 32 close to the feeding end 34 to form the filter section 31.

In this embodiment, the feeding end 34 is disposed at the bottom of the dielectric substrate 2, and the feeding end 34 is used for being connected with a feeding cable so as to feed the feeding line 3, specifically, the feeding cable is connected to the bottom of the balun 4, an inner core of the feeding cable is connected with the feeding end 34, and an outer conductor thereof is connected with the balun 4.

By arranging the feeder line 3 on the medium substrate 2 and arranging the filter section 31 on the feeder line 3, the dual-polarized filter characteristics are integrated under the condition that the extra size is not increased by the oscillator, two dual-polarized different frequency band working systems are simultaneously realized in one oscillator, the problems of insertion loss and extra size caused by the fact that the dual-polarized filter antenna is realized through a cascade mode in the prior art are solved, and the performances of high isolation degree and high gain of the oscillator can be realized. In addition, the array structure formed by the oscillators is compact and simple, the antenna is more miniaturized, the interference among all frequency bands is small, and good radiation indexes and circuit indexes are realized.

The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A dual-polarized duplex oscillator is characterized in that: the antenna comprises four radiating arms arranged in central symmetry and two medium substrates arranged perpendicular to each other, wherein two feeders working at different frequency bands are arranged on each medium substrate, the two feeders on each medium substrate feed a group of radiating arms arranged diagonally, and the directions of feed currents of the two feeders on the same medium substrate are opposite.

2. The dual polarized duplex vibrator of claim 1, wherein: the antenna also comprises four baluns, each balun is correspondingly connected with the radiating arm, and an installation groove for the medium substrate to be inserted and fixed is formed in the baluns along the diagonal direction of the duplex oscillator.

3. The dual polarized duplex vibrator of claim 2, wherein: the balun and the radiation arm are integrally formed in a die-casting mode.

4. The dual polarized duplex vibrator of claim 2, wherein: the feeder line comprises a filter section for filtering, an impedance transformation section for adjusting impedance and a coupling section for coupling and connecting with the radiation arm, wherein the impedance transformation section is connected with the coupling section, and the filter section is connected with the impedance transformation section.

5. The dual polarized duplex vibrator of claim 4, wherein: the feeder line comprises a feed end, the coupling section extends vertically and is arranged in the mounting grooves of the two baluns corresponding to the feed end, the impedance change section extends upwards and vertically from the feed end to the top of the dielectric substrate and then bends and extends to be connected with the coupling section, and the impedance change section is provided with an open-circuit branch or a short-circuit branch near the feed end to form the filter section.

6. The dual polarized duplex vibrator of claim 5, wherein: the feed end is arranged at the bottom of the dielectric substrate and is used for being connected with a feed cable so as to feed the feed line.

7. The dual polarized duplex vibrator of claim 1, wherein: the two feeder lines are respectively arranged on two sides of the dielectric substrate.

8. The dual polarized duplex vibrator of claim 1, wherein: and the middle parts of the two medium substrates are respectively provided with a mounting gap which enables the two medium substrates to be mutually crossed and spliced along the vertical direction.

9. An antenna, characterized by: comprising the dual polarized duplexed oscillator of any of claims 1 through 8.