CN206059643U - A kind of antenna element and antenna for base station - Google Patents
A kind of antenna element and antenna for base station Download PDFInfo
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- CN206059643U CN206059643U CN201621108997.3U CN201621108997U CN206059643U CN 206059643 U CN206059643 U CN 206059643U CN 201621108997 U CN201621108997 U CN 201621108997U CN 206059643 U CN206059643 U CN 206059643U
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Abstract
This utility model provides a kind of antenna element, is securable to be used for signal transmitting on reflecting plate or receives, its dielectric ring for including antenna element main body and arranging around antenna element main body lower end, and the dielectric constant of the dielectric ring is 6～20.By the dielectric ring for being carried in feed Balun surrounding, can be on the premise of the impedance bandwidth for meeting original antenna element and every radiance parameter, effectively the height of reduction antenna element is to 1/6 times of wavelength, the area of original antenna element is not increased simultaneously, the miniaturization of antenna is realized, and simple structure is easily installed.Additionally, further relating to a kind of antenna for base station using above-mentioned antenna element.
Description
Technical field
This utility model is related to moving communicating field, more particularly to a kind of antenna element and the base station using the antenna element
Antenna.
Background technology
With developing rapidly for Mobile Communications Market and technology, antenna for base station is put forward higher requirement, market is urgent
The antenna for base station of demand miniaturization.
Reduce the weight of antenna for base station volume exactly miniaturization antenna for base station using the means of loading high dielectric constant
Want one of developing direction.At present, although the research with regard to base station antenna unit miniaturization is more, certain lacking all is individually present
Fall into.
The antenna element with regard to magnetoelectricity dipole this new model that the LUK professors of City University of Hong Kong deliver for 2006
Paper " A New Wideband Unidirectional Antenna Element ", it is possible to as the miniaturization day in broadband
Line unit is used for antenna for base station, has scholar further to expand on the basis of him, to filling in the feed Balun of magnetoelectricity dipole
Dielectric constant is 2～3 dielectric material, furthermore achieved that the miniaturization of this type antenna.However, magnetoelectricity dipole, is this
The dual-polarized design and processing of the antenna element of form is more difficult, therefore current rarely seen its is really applied to antenna for base station
In commercial production.
United States Patent (USP) US 20090179814A1 gives a kind of dual polarized antenna unit of folded dipole form, the antenna
Unit can realize the wideband application in current mobile communications frequency range.204144419 U of Chinese patent CN are on the basis of the patent
Improve, not only ensure that wideband application, while greatly reducing the section height of antenna element, realize the small-sized of antenna
Change, however, the oscillator area of the antenna element relatively conventional common-frequency aerial cell inflation many, not only bad for realizing array
The indexs such as middle isolation, and run counter to the direction of miniaturization.
Utility model content
Primary and foremost purpose of the present utility model aims to provide a kind of day for reducing height dimension while antenna index is ensured
Line unit.
Another object of the present utility model aims to provide a kind of antenna for base station of small volume.
To achieve these goals, this utility model provides technical scheme below：
A kind of antenna element, is securable to be used for signal transmitting on reflecting plate or receives, and which includes antenna element main body, institute
Stating antenna element main body includes the radiant body launched for signal or receive and the feed bar for supporting and feed to radiant body
Human relations, also include the dielectric ring arranged around the feed Balun lower end, and the dielectric constant of the dielectric ring is 6～20.
Further, the feed Balun is highly less than 1/6 times of wavelength.
Preferably, the height of the dielectric ring is 1/13～1/11 times of wavelength.
Preferably, the width of the dielectric ring is less than 1/2 times of operation wavelength.
Preferably, the rotationally symmetric polygonal ring shape or annular shape of the dielectric ring.
Preferably, throwing of the geometric center of the geometric center of the dielectric ring and the antenna element main body on reflecting plate
Shadow overlaps.
Preferably, the radiant body includes two mutually orthogonal symmetrical dipoles, described to include two per pair symmetrical dipole
Radiation arm in same level.
A kind of antenna for base station, including above-mentioned antenna element.
Compared to existing technology, scheme of the present utility model has advantages below：
Antenna element of the present utility model, relatively conventional antenna element are highly 1/4 times of operation wavelength, normal using high dielectric
The method that number material is carried in feed Balun surrounding, can be in the impedance bandwidth for meeting original antenna element and every radiance ginseng
On the premise of number, the height of antenna element is effectively reduced to 1/6 times of wavelength, while not increasing the face of original antenna element
Product, is advantageously implemented the miniaturization of antenna, and simple structure is easily installed.
The additional aspect of this utility model and advantage will be set forth in part in the description, and these will be from explained below
In become obvious, or by it is of the present utility model practice recognize.
Description of the drawings
The above-mentioned and/or additional aspect of this utility model and advantage from the following description of the accompanying drawings of embodiments will
Become obvious and easy to understand, wherein：
Axonometric charts of the Fig. 1 for one embodiment of this utility model antenna element；
Exploded views of the Fig. 2 for antenna element shown in Fig. 1.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or the element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining this utility model, and can not be construed to of the present utility model
Limit.
As shown in Fig. 1～2, antenna element of the present utility model 1 is mountable in metallic reflection plate (non-label, similarly hereinafter),
For launching and receiving communication signal.
The dielectric ring 20 that the antenna element 1 includes antenna element main body 10 and arranges around 10 bottom of antenna body.Institute
Stating antenna element main body 10 includes radiant body 110 and supports radiant body 110 feed Balun 120 for its feed, the medium
Ring 20 is arranged around the lower end of the feed Balun 120, and the dielectric constant of the dielectric ring 20 is 6～20.
For the base station antenna unit of conventional symmetrical dipole type, height of its oscillator surface apart from metallic reflection plate
Generally 1/4 operation wavelength, the i.e. height of feed Balun are 1/4 operation wavelength.When height is less than 1/4 operation wavelength
When, metallic reflection plate will very acutely, so as to cause the impedance variation of antenna element violent to the near field reflections of antenna element, resistance
Anti- bandwidth is deteriorated.The antenna element 1 that this utility model is provided is by loaded medium ring 20 etc. between radiant body 110 and reflecting plate
Effect lengthens the distance between the radiant body 110 and reflecting plate, and the section height for effectively reducing antenna element 1 works to 1/6
Below wavelength, even if the height of feed Balun 120 is less than 1/6 operation wavelength, antenna cost and the space shared by antenna are saved,
Realize the miniaturization antenna for base station of low section.
Meanwhile, on the premise of antenna element area is not increased, loaded medium ring 20 can reduce the resonant frequency of antenna, support
Move in the resonant frequency caused because of the reduction of oscillator section height that disappears, and as oscillator surface is apart from the equivalent electrical length of reflecting plate
Increase, the phenomenon that the impedance bandwidth caused so as to weaken base plate (i.e. metallic reflection plate) reflection is deteriorated, it is ensured that circuit parameter and spoke
Penetrate performance parameters stable, so that the antenna element 1 is applicable to including all kinds of actually used base station including smart antenna
Antenna.
It should be noted that when the dielectric constant of dielectric ring 20 is taken between 6～20, ensure that its equivalent increase spoke of performance
The effect of the height of beam 110 and reflecting plate, meanwhile, prevent from weakening the gain of the antenna element 1 and to antenna entirety
Impedance bandwidth produces impact, the impedance bandwidth good to guarantee antenna.
In addition, generally, feed Balun 120 not only plays support and feed effect, also acts as constant impedance conversion
Effect, therefore, the dielectric ring 20 is actually placed on into feed bar around the surrounding for being fixed on the feed Balun 120
The outside of human relations 120, it is possible to decrease impact of the dielectric ring 20 to 120 inside feed structure of feed Balun.
Preferably, the height of the dielectric ring is 1/13～1/11 times of operation wavelength.In this utility model, the medium
The actual height of ring 20 can be according to the antenna for base station optimization design of the dielectric ring 20 of required loading.
Preferably, the width of the dielectric ring is less than 1/2 times of operation wavelength.In this utility model, the dielectric ring 20
Developed width can be according to the antenna for base station optimization design of required loaded medium ring 20.
By the height and width of the dielectric ring 20 of reasonable design high-k, each of the antenna element 1 can be caused
Item radiation parameter meets the requirement of antenna for base station.
Alternatively, the rotationally symmetric polygonal ring shape or annular shape of the dielectric ring 20.Usually, the feedback
Electric balun 120 includes support column, and the support column upper end is connected with radiant body 110, so that the feed Balun realizes feed
Effect, lower end are fixed on the reflecting plate, therefore, the dielectric ring 20 is designed as into polygonal ring shape or annular shape, can be kept away
Open the support column of feed Balun 120 in antenna element 1 and the dielectric ring 20 is easily installed.
Preferably, throwing of the geometric center of the geometric center of the dielectric ring 20 and antenna element main body 10 on reflecting plate
Shadow overlaps.
Preferably, the radiant body 110 includes two secondary orthogonal symmetrical dipoles (non-label, similarly hereinafter), described per secondary symmetrical
Oscillator includes two radiation arms in same level.
Described two secondary symmetrical dipoles install the overall knot for forming the relation that is centrosymmetric so that polarised direction is mutually orthogonal
Structure, it is described per pair symmetrical dipole by two it is in the same plane and with regard to same axisymmetrical arrange radiation arm (non-label,
Similarly hereinafter) constitute, each described radiation arm configuration is identical, and is installed on the same plane of reference (parallel to reflecting plate), constitutes a spoke
Penetrate face (namely above-mentioned oscillator surface).
Additionally, this utility model further relates to a kind of antenna for base station (not shown) using above-mentioned antenna element.Due to adopting
Above-mentioned antenna element, which has height low, the characteristics of small volume.
In sum, the antenna element 1 that this utility model is provided has by using the dielectric ring 20 of high dielectric constant material
Effect reduces the section height of antenna element to 1/6 operation wavelength, is advantageously implemented the miniaturization of antenna for base station：One side
Face, the dielectric ring on the premise of conventional aerial cellar area is not increased, can reduce the resonant frequency of antenna, offset because shaking
Move in the resonant frequency that sub- section height reduction causes, also, the equivalent length due to oscillator surface with reflecting plate increases, so as to cut
The phenomenon that the impedance bandwidth that weak baffle reflection is caused is deteriorated.On the other hand, by appropriate design high dielectric constant ring
Size and shape, can cause every radiation parameter of the antenna element to meet the requirement of antenna for base station.
The above is only some embodiments of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model principle, some improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of antenna element, is securable to be used for signal transmitting on reflecting plate or receives, and which includes antenna element main body, described
Antenna element main body includes the radiant body launched for signal or receive and the feed Balun for supporting and feed to radiant body,
Characterized in that, also include the dielectric ring arranged around the feed Balun lower end, the dielectric constant of the dielectric ring is 6～
20。
2. antenna element according to claim 1, it is characterised in that the feed Balun is highly less than 1/6 times of operating wave
It is long.
3. antenna element according to claim 1, it is characterised in that the height of the dielectric ring is 1/13～1/11 times of work
Make wavelength.
4. antenna element according to claim 1, it is characterised in that the external diameter width of the dielectric ring is less than 1/2 times of work
Make wavelength.
5. antenna element according to claim 1, it is characterised in that the dielectric ring it is rotationally symmetric polygon
Shape ring-type or annular shape.
6. antenna element according to claim 1, it is characterised in that the geometric center of the dielectric ring and the antenna list
Projection of the geometric center of first main body on reflecting plate overlaps.
7. antenna element according to claim 1, it is characterised in that the radiant body includes that two is secondary mutually orthogonal symmetrical
Oscillator, it is described to include two radiation arms in same level per pair symmetrical dipole.
8. a kind of antenna for base station, it is characterised in that including the antenna element described in claim 1 to 7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621108997.3U CN206059643U (en) | 2016-10-08 | 2016-10-08 | A kind of antenna element and antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621108997.3U CN206059643U (en) | 2016-10-08 | 2016-10-08 | A kind of antenna element and antenna for base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206059643U true CN206059643U (en) | 2017-03-29 |
Family
ID=58363730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621108997.3U Active CN206059643U (en) | 2016-10-08 | 2016-10-08 | A kind of antenna element and antenna for base station |
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| Country | Link |
|---|---|
| CN (1) | CN206059643U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299626A (en) * | 2016-10-08 | 2017-01-04 | 京信通信技术(广州)有限公司 | A kind of antenna element and antenna for base station |
-
2016
- 2016-10-08 CN CN201621108997.3U patent/CN206059643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106299626A (en) * | 2016-10-08 | 2017-01-04 | 京信通信技术(广州)有限公司 | A kind of antenna element and antenna for base station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200122 Address after: 510730 Guangdong city of Guangzhou province Guangzhou economic and Technological Development Zone Jinbi Road No. 6 Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Co-patentee before: Comba Telecom System (China) Ltd. Patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |
|
| TR01 | Transfer of patent right |