CN206116609U - Two polarized radiation units of split type super wide band and base station antenna - Google Patents
Two polarized radiation units of split type super wide band and base station antenna Download PDFInfo
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- CN206116609U CN206116609U CN201620992714.XU CN201620992714U CN206116609U CN 206116609 U CN206116609 U CN 206116609U CN 201620992714 U CN201620992714 U CN 201620992714U CN 206116609 U CN206116609 U CN 206116609U
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Abstract
The utility model relates to a two polarized radiation units of split type super wide band and base station antenna, including four symmetrical dipoles, every symmetrical dipole includes two unit radiation arms and balanced ba lun, balanced ba lun is connected to unit radiation arm one end, and the end of the other end makes progress or downwarping 90, four two twenty percent central symmetry of symmetrical dipole set up, and per two symmetrical dipoles constitute a pair of radiating element. Can adopt coaxial group formation formula to realize wide band array antenna with higher frequency's oscillator, not only can reduce the size of antenna, the balanced ba lun that can reduce low -frequency radiation unit simultaneously is to placing the radiological impact at its the inside high -frequency oscillation to guarantee each item performance of multifrequency base station antenna in each frequency channel.
Description
Technical field
The utility model is related to communication technical field, is to be related to a kind of split type ultra-wideband dual polarization spoke in particular
Penetrate unit and antenna for base station.
Background technology
Due to the large-scale use of intelligent mobile terminal, occur in that the data service in mobile communication and be skyrocketed through.For
Meet to the requirement of high speed data transfer in mobile communication, domestic and international Ge great operators greatly developing with TD-LTE and
Forth generation (4G) mobile communication technology based on two kinds of standards of FDD-LTE.Nowadays, 2G, 3G and the 4G LTE networks that will be popularized
And deposit, the system of multiple use different frequency ranges exists simultaneously, needs using the antenna for base station that can be operated in different frequency range.Using general
Logical narrow band antenna a, base station is accomplished by arranging many slave antennas, increased system complexity and property cost.In order to drop
Low networking cost, the broadband of antenna, miniaturization and multifrequency are shared and have become one of current focus.
In the multifrequency antenna array of existing co-axial form design, the low frequency spoke designed using traditional half-wave radiation oscillator
Oscillator is penetrated, because of radiation arm and the impact of balance balun so that occur stronger electricity between low frequency radiation oscillator and high frequency radiation oscillator
Magnetic coupling, causes antenna to produce distortion in the directional diagram of low frequency or high frequency some frequencies, that is, produce alien frequencies interference, so that
The indices hydraulic performance decline of antenna.And the multifrequency antenna of the co-axial form in the present embodiment, because of low frequency radiating element uniqueness
Structure and performance so that the performance of antenna is far superior to other same type antennas.
Utility model content
In view of this, it is necessary to for the problems referred to above, there is provided a kind of split type ultra-wideband dual-polarization radiating unit and base station
Antenna, it is adaptable to mobile radio networks, covers 2G, 3G and LTE frequency range, with extraordinary lobe width broadband properties
With high-isolation characteristic, and compact conformation, it is easy to assembling production.
To achieve these goals, the technical solution of the utility model is as follows：
A kind of split type ultra-wideband dual-polarization radiating unit, including four symmetrical dipoles, described each symmetrical dipole
Including two unit radiation arms and balance balun, unit radiation arm one end connection balance balun, the end of the other end is upwards
Or it is bent downwardly 90 °；Four symmetrical dipoles setting in a center of symmetry two-by-two, the symmetrical dipole of each two is constituted a pair
Radiating doublet.
As preferred, ± 45 ° of polarization modes of two pairs of radiating doublet Orthogonal Composites formation.
Used as preferred, the unit radiation arm section of the symmetrical dipole is L-shaped, circular or rectangle.
It is described to balance the hollow slots that balun top half is provided with transforming section cabling, the latter half outer surface as preferred
It is provided with the groove of cable wiring.
Used as preferred, the balance balun is arc, and its one end is connected with two unit radiation arms, and the other end is offered
Fixed screw.
Used as preferred, the spacing of each two symmetrical dipole is the λ 0 of 0.4 λ 0～0.6, the arc of the balance balun
The λ 0 of a length of 0.2 λ 0～0.4, λ 0 are the wavelength corresponding to ultra-wideband dual-polarization radiating unit centre frequency.
A kind of band dual polarization antenna for base station, including some above-mentioned ultra-wideband dual-polarization radiating units are described some super
Broadband dualpolarization radiation unit is linearly equidistantly arranged in metallic reflection plate, and the ultra-wideband dual-polarization radiating unit is embedded with
One high frequency radiating element.
As preferred, between every two adjacent ultra-wideband dual-polarization radiating units a high frequency radiation list is provided with
Unit.
As preferred, rectangle or circular gold are provided between the ultra-wideband dual-polarization radiating unit and high frequency radiating element
Category frame.
As preferred, the λ 0 of about 0.6 λ of spacing 0～0.9 per two neighboring ultra-wideband dual-polarization radiating unit, often
Two neighboring high frequency radiating element is spaced about the λ 01 of 0.6 λ 01～0.95, and λ 01 is the ripple corresponding to high frequency vibrating subcenter frequency
It is long.
Compared with prior art, the beneficial effects of the utility model are：
1st, separate assembling low frequency dual-polarization radiating unit improves the stability of low frequency radiating element third order intermodulation；
2nd, length and the impedance of feeder line for adjusting radiation arm end minor matters can be passed through, can effectively increases bandwidth, while
Ultra-wideband dual-polarization radiating unit of the present utility model also has beam angle with frequency fluctuation scope is little, cross polarization differentiates
It is high, isolation is good, radiation efficiency is high, the advantages of be readily produced assembling, it is adaptable to mobile radio networks, cover 2G, 3G
And LTE frequency ranges, with extraordinary lobe width broadband properties and high-isolation characteristic, and compact conformation, it is easy to assembling production；
3rd, symmetrical dipole is by the unit for being installed on two settings that are centrosymmetric relative to balance balun in balance balun
Radiation arm and a balance balun are constituted, and feed is realized by the way of multistage matching section, and the multistage matching section is using flat
Weighing apparatus balun is hollow, and in balance balun the feeder line of different impedances is added, so as to realize that wide-band impedance is matched；
4th, low frequency radiating element described in the utility model can be realized with the oscillator of higher frequency using coaxial group of formation formula
Wideband array antenna, not only can reduce the size of antenna, while the balance balun of low frequency radiating element can be reduced to placing
Radiation effect of high frequency oscillator inside it, so as to ensure properties of the multifrequency antenna for base station in each frequency range.
Description of the drawings
Fig. 1 is the scheme of installation of the radiating element of the utility model embodiment；
Fig. 2 is the upward view of the radiating element of the utility model embodiment；
Fig. 3 is the stereogram of the radiating element of the utility model embodiment；
Fig. 4 is the base station antenna configuration schematic diagram of the utility model embodiment.
Specific embodiment
With reference to the accompanying drawings and examples to a kind of split type ultra-wideband dual-polarization radiating unit described in the utility model
And antenna for base station is described further.
The following is the optimal of a kind of split type ultra-wideband dual-polarization radiating unit described in the utility model and antenna for base station
Therefore example, do not limit protection domain of the present utility model.
Fig. 1 to Fig. 3 shows a kind of split type ultra-wideband dual-polarization radiating unit, including four symmetrical dipoles, described
Each symmetrical dipole includes two unit radiation arms 1 and balance balun 7, the one end of unit radiation arm 1 connection balance balun
7, the end of the other end upwards, be bent downwardly 90 °, such as mark 2,3 parts in figure, two lists of the connection of balance balun 7
First radiation arm 1 is set to 90 degrees；Four symmetrical dipoles setting in a center of symmetry two-by-two, the symmetrical dipole structure of each two
In a pair radiating doublet, polarizes per radiating doublet described in a pair corresponding to one of radiating element；Symmetrical dipole is by being installed on
The unit radiation arm and a balance balun composition of two settings that are centrosymmetric relative to balance balun, adopts in balance balun
The mode of multistage matching section realizes feed, and the multistage matching section is hollow using balance balun, is added in balance balun different
The feeder line of impedance, so as to realize that wide-band impedance is matched.Length and the resistance of feeder line for adjusting radiation arm end minor matters can be passed through
It is anti-, effectively increase bandwidth, ultra-wideband dual-polarization radiating unit of the present utility model is applied to mobile radio networks, covers
2G, 3G and LTE frequency range, with extraordinary lobe width broadband properties and high-isolation characteristic, and compact conformation, it is easy to group
Dress production.
In the present embodiment, two pairs of radiating doublet Orthogonal Composites form ± 45 ° of polarization modes, and antenna has been effectively ensured
The good result of diversity reception in the course of work, can reduce call loss, reduce interference, improve the service quality of the whole network.
In the present embodiment, the section of unit radiation arm 1 of the symmetrical dipole is L-shaped, circular or rectangle.
In the present embodiment, the balance top half of balun 7 is provided with the hollow slots 4 of transforming section cabling 5, outside the latter half
Surface is provided with the groove 6 of cable wiring, is hidden cable wiring position, fixes by balancing balun 7, and this practicality for being is new
The structure of type is more compact.
Used as preferred, the balance balun 7 is arc, and its one end is connected with two unit radiation arms 1, and the other end is opened up
There is fixed screw 8, in the present embodiment, the end of the arc bending part of four balance baluns 7 is located at same level
On, by matching for bolt and screw, you can end of each balance balun 7 is fixed in same level respectively, is entered
And fix split type ultra-wideband dual-polarization radiating unit of the present utility model；In the present embodiment, each two balances bar
After there is a certain distance, four balance baluns 7 to fix respectively between the end of human relations 7, its end surrounds an idle area, can be with root
According to need configure other radiating elements.
Used as preferred, the spacing of each two symmetrical dipole is the λ 0 of 0.4 λ 0～0.6, the arc of the balance balun 7
The λ 0 of a length of 0.2 λ 0～0.4, λ 0 are the wavelength corresponding to ultra-wideband dual-polarization radiating unit centre frequency.
Fig. 4 shows a kind of band dual polarization antenna for base station, including some above-mentioned ultra-wideband dual-polarization radiating unit B3,
In the present embodiment, the ultra-wideband dual-polarization radiating unit B3 be low frequency radiating element, some ultra-wideband dual polarised radiations
Unit envelope curve is equidistantly arranged in metallic reflection plate B1, and the ultra-wideband dual-polarization radiating unit B3 is embedded with a high frequency spoke
Penetrate unit B 5.Low frequency radiating element can realize wideband array antenna with the oscillator of higher frequency using coaxial group of formation formula, not only
The size of antenna can be reduced, while the balance balun of low frequency radiating element can be reduced to being placed on its inside high frequency oscillator
Radiation effect, so as to ensure properties of the multifrequency antenna for base station in each frequency range.
As preferred, between every two adjacent ultra-wideband dual-polarization radiating unit B3 a high frequency radiation list is provided with
First B5.Rectangle or circular metal frame B4 are provided between the ultra-wideband dual-polarization radiating unit B3 and high frequency radiating element B5.It is logical
Above-mentioned arrangement mode is crossed, the ultra-wideband dual-polarization radiating unit B3 caused with the impact of balance balun because of radiation arm is effectively reduced
With the electromagnetic coupled between high frequency radiating element B5 so that antenna produce in the directional diagram of low frequency or high frequency some frequencies it is abnormal
The probability of change, that is, effectively reduce alien frequencies interference so that antenna property indices are more superior.
As preferred, the λ 0 of about 0.6 λ of spacing 0～0.9 per two neighboring ultra-wideband dual-polarization radiating unit, often
Two neighboring high frequency radiating element is spaced about the λ 01 of 0.6 λ 01～0.95, and λ 01 is the ripple corresponding to high frequency vibrating subcenter frequency
It is long.
Compared with prior art, the beneficial effects of the utility model are：
1st, separate assembling low frequency dual-polarization radiating unit improves the stability of low frequency radiating element third order intermodulation；
2nd, length and the impedance of feeder line for adjusting radiation arm end minor matters can be passed through, can effectively increases bandwidth, while
Ultra-wideband dual-polarization radiating unit of the present utility model also has beam angle with frequency fluctuation scope is little, cross polarization differentiates
It is high, isolation is good, radiation efficiency is high, the advantages of be readily produced assembling, it is adaptable to mobile radio networks, cover 2G, 3G
And LTE frequency ranges, with extraordinary lobe width broadband properties and high-isolation characteristic, and compact conformation, it is easy to assembling production；
3rd, symmetrical dipole is by the unit for being installed on two settings that are centrosymmetric relative to balance balun in balance balun
Radiation arm and a balance balun are constituted, and feed is realized by the way of multistage matching section, and the multistage matching section is using flat
Weighing apparatus balun is hollow, and in balance balun the feeder line of different impedances is added, so as to realize that wide-band impedance is matched；
4th, low frequency radiating element described in the utility model can be realized with the oscillator of higher frequency using coaxial group of formation formula
Wideband array antenna, not only can reduce the size of antenna, while the balance balun of low frequency radiating element can be reduced to placing
Radiation effect of high frequency oscillator inside it, so as to ensure properties of the multifrequency antenna for base station in each frequency range.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more concrete and detailed,
But therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, some deformations and improvement can also be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be defined by claims.
Claims (10)
1. a kind of split type ultra-wideband dual-polarization radiating unit, it is characterised in that including four symmetrical dipoles, described each is right
Dipole is claimed to include two unit radiation arms and balance balun, unit radiation arm one end connection balances balun, the other end
End 90-degree bent up or down；Four symmetrical dipoles setting in a center of symmetry two-by-two, the symmetrical dipole of each two
Constitute a pair of radiating doublets.
2. split type ultra-wideband dual-polarization radiating unit according to claim 1, it is characterised in that two pairs of radiation are shaken
Sub- Orthogonal Composite forms ± 45 ° of polarization modes.
3. split type ultra-wideband dual-polarization radiating unit according to claim 1, it is characterised in that the symmetrical dipole
Unit radiation arm section is L-shaped, circular or rectangle.
4. split type ultra-wideband dual-polarization radiating unit according to claim 1, it is characterised in that in the balance balun
Half portion is arranged with the hollow slots of transforming section cabling, and the latter half outer surface is provided with the groove of cable wiring.
5. the split type ultra-wideband dual-polarization radiating unit according to claim 1 or 4, it is characterised in that the balance bar
Human relations are arc, and its one end is connected with two unit radiation arms, and the other end offers fixed screw.
6. split type ultra-wideband dual-polarization radiating unit according to claim 5, it is characterised in that each two is symmetrical
The spacing of dipole is the λ 0 of 0.4 λ 0～0.6, and the arc length of the balance balun is the λ 0 of 0.2 λ 0～0.4, and λ 0 is ultra-wideband dual polarization
Wavelength corresponding to radiating element centre frequency.
7. a kind of band dual polarization antenna for base station, it is characterised in that including some super as described in arbitrary in claim 1 to 6
Broadband dualpolarization radiation unit, some ultra-wideband dual-polarization radiating units are linearly equidistantly arranged in metallic reflection plate,
The ultra-wideband dual-polarization radiating unit is embedded with a high frequency radiating element.
8. band dual polarization antenna for base station according to claim 7, it is characterised in that described per two adjacent ultra-wideband
A high frequency radiating element is provided between dual-polarization radiating unit.
9. band dual polarization antenna for base station according to claim 7, it is characterised in that the ultra-wideband dual polarised radiation list
Rectangle or circular metal frame are provided between unit and high frequency radiating element.
10. band dual polarization antenna for base station according to claim 7, it is characterised in that described per two neighboring ultra-wideband
The λ 0 of about 0.6 λ of the spacing of dual-polarization radiating unit 0～0.9, per two neighboring high frequency radiating element 0.6 λ 01～0.95 is spaced about
λ 01, λ 01 are the wavelength corresponding to high frequency vibrating subcenter frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992714.XU CN206116609U (en) | 2016-08-30 | 2016-08-30 | Two polarized radiation units of split type super wide band and base station antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992714.XU CN206116609U (en) | 2016-08-30 | 2016-08-30 | Two polarized radiation units of split type super wide band and base station antenna |
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| Publication Number | Publication Date |
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| CN206116609U true CN206116609U (en) | 2017-04-19 |
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|---|---|---|---|
| CN201620992714.XU Active CN206116609U (en) | 2016-08-30 | 2016-08-30 | Two polarized radiation units of split type super wide band and base station antenna |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169644A (en) * | 2016-08-30 | 2016-11-30 | 广东通宇通讯股份有限公司 | A kind of split type ultra-wideband dual-polarization radiating unit and antenna for base station |
| CN110622352A (en) * | 2017-05-16 | 2019-12-27 | 日本电业工作株式会社 | Antenna, array antenna, sector antenna, and dipole antenna |
| CN110797636A (en) * | 2019-10-17 | 2020-02-14 | 华南理工大学 | Dual-polarized antenna and low-frequency radiation unit thereof |
-
2016
- 2016-08-30 CN CN201620992714.XU patent/CN206116609U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106169644A (en) * | 2016-08-30 | 2016-11-30 | 广东通宇通讯股份有限公司 | A kind of split type ultra-wideband dual-polarization radiating unit and antenna for base station |
| CN110622352A (en) * | 2017-05-16 | 2019-12-27 | 日本电业工作株式会社 | Antenna, array antenna, sector antenna, and dipole antenna |
| CN110622352B (en) * | 2017-05-16 | 2021-05-07 | 日本电业工作株式会社 | Array antenna |
| US11336031B2 (en) | 2017-05-16 | 2022-05-17 | Nihon Dengyo Kosaku Co., Ltd. | Antenna, array antenna, sector antenna, and dipole antenna |
| CN110797636A (en) * | 2019-10-17 | 2020-02-14 | 华南理工大学 | Dual-polarized antenna and low-frequency radiation unit thereof |
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