CN210167501U

CN210167501U - Broadband dual-polarization radiating element and antenna

Info

Publication number: CN210167501U
Application number: CN201921215409.XU
Authority: CN
Inventors: 石磊; 岳彩龙; 时慧敏; 韦图双; 赵伟
Original assignee: Tongyu Communication Inc
Current assignee: Tongyu Communication Inc
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2020-03-20
Anticipated expiration: 2029-07-30

Abstract

A broadband dual-polarized radiation unit comprises two pairs of oscillator radiation arms which are orthogonally arranged, wherein the two pairs of oscillator radiation arms are arranged on a support column, the two pairs of oscillator radiation arms are symmetrical about the axis of the support column, a diffusion block is arranged above each oscillator radiation arm, and an adjusting block is arranged between every two adjacent diffusion blocks. The utility model provides a broadband dual polarization radiating element and antenna has wideer bandwidth, and is more miniaturized moreover.

Description

Broadband dual-polarization radiating element and antenna

Technical Field

The utility model relates to an antenna field, specific broadband dual polarization radiating element and antenna that says so.

Background

With the rapid development of mobile communication, it is a great trend to realize daily 5G communication, the 5G frequency band includes 2500MH-3800MH frequency band, the higher frequency has higher requirement for miniaturization of the antenna, and downward compatibility with the 4G frequency band needs to be considered, so the miniaturization difficulty of the antenna is very high, the radiation unit is used as an important part of the antenna, and has great influence on the overall performance and volume of the antenna, and most of the existing radiation units can not meet the dual requirements of broadband and miniaturization.

SUMMERY OF THE UTILITY MODEL

In order to solve the deficiencies in the prior art, the utility model provides a broadband dual polarization radiating element and antenna has wideer bandwidth, and is more miniaturized moreover.

In order to achieve the above object, the utility model discloses a concrete scheme does: a broadband dual-polarized radiation unit comprises two pairs of oscillator radiation arms which are orthogonally arranged, wherein the two pairs of oscillator radiation arms are arranged on a support column, the two pairs of oscillator radiation arms are symmetrical about the axis of the support column, a diffusion block is arranged above each oscillator radiation arm, and an adjusting block is arranged between every two adjacent diffusion blocks.

As a preferable scheme, each pair of the oscillator radiating arms is electrically connected with one feed piece, and the two feed pieces are orthogonal and arranged up and down.

As a preferred scheme, the support column is formed by a balun, a through hole extending up and down is formed in the middle of the support column, the through hole is communicated with four through grooves uniformly distributed along the circumferential direction, the through grooves penetrate through the side portion and the top portion of the support column, the top portion of the support column is divided into four areas by the four through grooves, and the oscillator radiation arms are arranged on the four areas in a one-to-one correspondence manner.

As a preferable scheme, the oscillator radiation arm comprises a first connecting piece and a fourth connecting piece which are integrally connected with the supporting column, the first connecting piece and the fourth connecting piece are perpendicular to each other, the first connecting piece is integrally connected with a second connecting piece which is parallel to the fourth connecting piece, the fourth connecting piece is integrally connected with a third connecting piece which is parallel to the first connecting piece, the second connecting piece and the third connecting piece are integrally connected, and the first connecting piece, the second connecting piece, the third connecting piece and the fourth connecting piece enclose a space.

Preferably, the connecting portion of the second connecting piece and the third connecting piece is integrally connected with an extending column extending downwards.

Preferably, the length of the second connecting piece is equal to 0.2 times of the high-frequency band operating wavelength of the radiating element.

Preferably, the height of the supporting column is equal to 0.25 times of the high-frequency band operating wavelength of the radiating unit.

Preferably, the adjusting block is rectangular.

An antenna comprises a reflecting plate and a plurality of radiating elements arranged on the reflecting plate.

Preferably, the distance between adjacent radiation elements is equal to 0.8 times of the operating wavelength of the radiation elements.

Has the advantages that: the utility model discloses in, oscillator radiation arm constitution infrastructure, infrastructure are used for making radiating element have sufficient bandwidth in the high frequency band, and the loading structure is constituteed to spread spectrum piece and regulating block, and the loading structure is used for making radiating element toward low frequency band extension bandwidth, can expand the bandwidth better through the cooperation of infrastructure and loading structure to the loading structure is the individual layer, so is favorable to radiating element's miniaturization.

Drawings

Fig. 1 is a perspective view of the overall structure of a radiation unit;

fig. 2 is a perspective view of the overall structure of the radiation unit;

FIG. 3 is a side view of the overall structure of the radiating element;

FIG. 4 is a top view of the radiating arm of the dipole;

FIG. 5 is a perspective view of a support post;

fig. 6 is a perspective view of the overall structure of the antenna.

Description of the drawings: the antenna comprises a dielectric plate 1, a diffusion block 2, a regulation block 3, an extension column 4, a support column 5, a feed sheet 6, a vibrator radiation arm 7, a first connection sheet 8, a second connection sheet 9, a third connection sheet 10, a space 11, a fourth connection sheet 12, a through hole 13, a through groove 14, a reflector plate 15 and a radiation unit 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 5, a broadband dual-polarized radiation unit includes two pairs of oscillator radiation arms 7 orthogonally disposed, the two pairs of oscillator radiation arms 7 are both disposed on a support pillar 5, and the two pairs of oscillator radiation arms 7 are symmetrical with respect to an axis of the support pillar 5, a spreading block 2 is disposed above each oscillator radiation arm 7, and a regulating block 3 is disposed between two adjacent spreading blocks 2.

The utility model discloses when the feed, spread spectrum piece 2 produces the coupling effect, forms a little dipole radiation in the low frequency band, makes radiating element 16 toward low frequency extension bandwidth to realize the broadband radiation. The adjusting block 3 can reduce the divergence of the antenna standing wave circular diagram, so that the standing wave of the antenna can be converged in a wide frequency band.

The utility model discloses in, oscillator radiation arm 7 constitutes infrastructure, and infrastructure is used for making radiating element have sufficient bandwidth in the high frequency band, and spread spectrum piece 2 and regulating block 3 constitute the loading structure, and the loading structure is used for making radiating element toward low frequency band extension bandwidth, can expand wide bandwidth better through the cooperation of infrastructure and loading structure to the loading structure is the individual layer, so is favorable to radiating element's miniaturization.

Furthermore, each pair of oscillator radiating arms 7 is electrically connected with a feed sheet 6, and the two feed sheets 6 are orthogonal and arranged up and down. Two feed pieces 6 feed to two pairs of orthogonally placed oscillator radiating arms 7 respectively to realize the dual polarization radiation of antenna radiating element, two feed pieces are orthogonal and placed from top to bottom, have promoted cross polarization discrimination and isolation.

Further, the support column 5 is formed by a balun, a through hole 13 extending from top to bottom is formed in the middle of the support column 5, the through hole 13 is communicated with four through grooves 14 uniformly distributed along the circumferential direction, the through grooves 14 penetrate through the side portion and the top portion of the support column 5, the top portion of the support column 5 is divided into four regions by the four through grooves 14, and the oscillator radiation arms 7 are arranged on the four regions in a one-to-one correspondence manner. Structurally, the support column 5 plays a role in supporting the whole radiating unit, is formed by short circuit in principle, can convert unbalanced feed of a coaxial line into balanced feed, and ensures the symmetry of a directional diagram. The existence of the through groove 14 enables a coupling gap to exist between the adjacent oscillator radiation arms 7, and cross polarization and isolation can be improved by changing the width of the through groove 14, namely adjusting the size of the coupling gap.

Further, oscillator radiation arm 7 includes first connection piece 8 and fourth connection piece 12 with support column 5 body coupling, and first connection piece 8 and fourth connection piece 12 mutually perpendicular, first connection piece 8 body coupling has the second connection piece 9 that is parallel to each other with fourth connection piece 12, fourth connection piece 12 body coupling has the third connection piece 10 that is parallel to each other with first connection piece 8, and second connection piece 9 and third connection piece 10 body coupling, first connection piece 8, second connection piece 9, third connection piece 10 and fourth connection piece 12 enclose and close a space 11.

Further, the connecting portion of the second connecting piece 9 and the third connecting piece 10 is integrally connected with the extending column 4 extending downwards. The extension column 4 extends the current path and reduces the length of the oscillator arm, thereby achieving a more compact structure.

In the present embodiment, the length of the second connecting piece 9 is equal to 0.2 times of the high-frequency operating wavelength of the radiating element 16, and the height of the supporting column 5 is equal to 0.25 times of the high-frequency operating wavelength of the radiating element 16.

Furthermore, the adjusting block 3 is rectangular, the spread spectrum block 2 and the adjusting block 3 are both arranged on a dielectric slab 1, and the dielectric slab 1 is arranged on the oscillator radiation arm 7.

Referring to fig. 6, an antenna includes a reflection plate 15 and a plurality of the radiation units 16 disposed on the reflection plate 15. The frequency range of the antenna is 2500MHz-3800MHz, and the antenna covers an LTE-TDD frequency band in a 4G network, an FDD (frequency division duplexing) system n7 frequency band in a 5G network, and a TDD system n38 frequency band and a TDD system n78 frequency band.

Further, the distance between adjacent radiating elements 16 is equal to 0.8 times the operating wavelength of the radiating element 16, so as to enhance the directivity of the antenna and adjust the half-power lobe width of the horizontal plane.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A broadband dual-polarized radiating element comprises two pairs of oscillator radiating arms (7) which are orthogonally arranged, and is characterized in that: the two pairs of oscillator radiating arms (7) are arranged on one supporting column (5), the two pairs of oscillator radiating arms (7) are symmetrical about the axis of the supporting column (5), one frequency expansion block (2) is arranged above each oscillator radiating arm (7), and one adjusting block (3) is arranged between every two adjacent frequency expansion blocks (2).

2. A broadband dual polarized radiating element according to claim 1, wherein: each pair of the oscillator radiating arms (7) is electrically connected with a feed sheet (6), and the two feed sheets (6) are orthogonal and arranged up and down.

3. A broadband dual polarized radiating element according to claim 1, wherein: support column (5) are formed by balun, and through-hole (13) that extend from top to bottom are seted up at the middle part of support column (5), and through-hole (13) intercommunication has four logical groove (14) along circumferencial direction evenly distributed, leads to lateral part and the top that groove (14) link up support column (5), and four lead to groove (14) and divide into four regions with the top of support column (5), oscillator radiation arm (7) set up on four regions one-to-one.

4. A broadband dual polarized radiating element according to claim 3, wherein: oscillator radiation arm (7) including with first connection piece (8) and fourth connection piece (12) of support column (5) body coupling, and first connection piece (8) and fourth connection piece (12) mutually perpendicular, first connection piece (8) body coupling has second connection piece (9) parallel to each other with fourth connection piece (12), fourth connection piece (12) body coupling has third connection piece (10) parallel to each other with first connection piece (8), and second connection piece (9) and third connection piece (10) body coupling, first connection piece (8), second connection piece (9), third connection piece (10) and fourth connection piece (12) enclose and close a space (11).

5. A broadband dual polarized radiating element according to claim 4, wherein: the connecting part of the second connecting sheet (9) and the third connecting sheet (10) is integrally connected with an extending column (4) extending downwards.

6. A broadband dual polarized radiating element according to claim 4, wherein: the length of the second connecting sheet (9) is equal to 0.2 times of the working wavelength of the high-frequency band of the radiation unit (16).

7. A broadband dual polarized radiating element according to claim 1, wherein: the height of the supporting column (5) is equal to 0.25 time of the high-frequency band operating wavelength of the radiation unit (16).

8. A broadband dual polarized radiating element according to claim 1, wherein: the adjusting block (3) is rectangular.

9. An antenna, characterized by: comprising a reflector plate (15) and a number of radiation elements (16) as claimed in claim 1 arranged on the reflector plate (15).

10. The antenna of claim 9, wherein: the distance between adjacent radiation elements (16) is equal to 0.8 times of the working wavelength of the radiation elements (16).