CN206774669U - A kind of three frequency ultra wide band antenna for base station - Google Patents
A kind of three frequency ultra wide band antenna for base station Download PDFInfo
- Publication number
- CN206774669U CN206774669U CN201720338234.6U CN201720338234U CN206774669U CN 206774669 U CN206774669 U CN 206774669U CN 201720338234 U CN201720338234 U CN 201720338234U CN 206774669 U CN206774669 U CN 206774669U
- Authority
- CN
- China
- Prior art keywords
- high frequency
- low frequency
- reflecting plate
- frequency radiation
- radiating element
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
It the utility model is related to a kind of three frequency ultra wide band antenna for base station, including reflecting plate, be arranged on the positive radiating curtain of reflecting plate and be arranged on reflection back feeding network, the radiating curtain is connected with the feeding network, the radiating curtain includes a low frequency radiation array and two high frequency radiation arrays, and described two high frequency radiation arrays are symmetrically distributed in the both sides of the low frequency radiation array；The low frequency radiation array includes N number of low frequency radiating element, the longitudinally spaced front that is arranged on the reflecting plate of the N number of low frequency radiating element along the reflecting plate；Each high frequency radiation array includes 2N+1 high frequency radiating element, the longitudinally spaced front that is arranged on the reflecting plate of the 2N+1 high frequency radiating element along the reflecting plate；The N is the positive integer more than or equal to 1.The utility model is compact-sized, small volume, in light weight, and has preferable radiance and circuit performance.
Description
【Technical field】
Antenna of mobile communication base station technical field is the utility model is related to, more particularly, to a kind of three frequency ultra wide band base station days
Line.
【Background technology】
In recent years, with the sharp increase of mobile subscriber's quantity, communication system is set to antenna in continuous renewal and dilatation
Meter proposes higher and higher requirement, on the one hand requires antenna wideband, multifrequency, to meet that the communication of multiple systems will simultaneously
Ask；On the other hand require to realize multisystem collective antenna, to reduce the interference between antenna and reduce cost.At present, three frequency ultra-wide
It is one of multisystem antenna commonly used in base station antenna system with antenna, the key problem of three frequency ultra wide band antenna for base station design is just
It is the way of realization for constantly optimizing antenna, including the design of radiating element and the optimization of reflecting boundary so that antenna structure
It is compact, small volume, in light weight, while there is excellent radiance and broadband character, to meet new technical requirement.
【Utility model content】
The purpose of this utility model is to overcome the shortcomings of above-mentioned technology, there is provided a kind of compact-sized, small volume, weight
Gently and the three frequency ultra wide band antenna for base station with preferable radiance and circuit performance.
A kind of three frequencies ultra wide band antenna for base station provided by the utility model, including reflecting plate, to be arranged on reflecting plate positive
Radiating curtain and the feeding network for being arranged on reflection back, the radiating curtain are connected with the feeding network, the spoke
Penetrating array includes a low frequency radiation array and two high frequency radiation arrays, and described two high frequency radiation arrays are symmetrically distributed in institute
State the both sides of low frequency radiation array；The low frequency radiation array includes N number of low frequency radiating element, N number of low frequency radiating element
Along the longitudinally spaced front for being arranged on the reflecting plate of the reflecting plate；Each high frequency radiation array includes 2N+1 high
Radio-frequency radiation unit, the 2N+1 high frequency radiating element are being arranged on the reflecting plate just along the longitudinally spaced of the reflecting plate
Face；The N is the positive integer more than or equal to 1.
Further, the phase center of the phase center of the high frequency radiation array and the low frequency radiation array is located at same
On one horizontal line.
Further, the both sides of each high frequency radiation array are respectively equipped with metal surrounding edge, described two metal surrounding edges
Front fixed to the reflecting plate is simultaneously symmetrical on the high frequency radiation array, and is not contacted with the low frequency radiating element.
Further, the spacing between described two metal surrounding edges is more than the high frequency spoke of the corresponding high frequency radiation array
Penetrate the bore of unit.
Further, in the low frequency radiation array, the spacing between adjacent two low frequency radiating elements is institute
State the spacing between two high frequency radiating elements adjacent in high frequency radiation array 2.5 times.
Further, L-shaped metal isolating bar, the L-shaped metal are provided between two adjacent low frequency radiating elements
Isolating bar is fixed to the front of the reflecting plate.
Further, the L-shaped metal isolating bar includes being fixed to the positive horizontal part of the reflecting plate and vertical portion, institute
The one end for stating horizontal part is connected with the vertical portion, and the other end is towards high frequency radiation array one of them described.
Further, N number of low frequency radiating element includes a center low frequency radiating element, with the center low frequency spoke
The both sides for penetrating two adjacent low frequency radiating elements of unit are respectively equipped with Z-shaped metal isolating bar, and the Z-shaped metal isolating bar is fixed
To the front of the reflecting plate, and between adjacent two high frequency radiating element of corresponding side.
Further, the top of the high frequency radiating element guides piece into provided with metal.
Further, two sides of longitudinal direction of the reflecting plate form vertical flange towards the front turnover of reflecting plate respectively.
The utility model is simple in construction, is easily assembled to, and cost is relatively low, passes through a low frequency radiation array and two high frequency spokes
Array is penetrated using arrangement mode side by side, high band and low frequency it is intersegmental influence each other smaller, and high band and low-frequency range have
There are preferably front and rear ratio, cross polarization ratio characteristic, the convergence of horizontal plane beam angle, while there is the good circuit such as high-isolation
Performance, ensure that antenna obtains under reduced size can meet index request of the current GSM to multifrequency antenna.
【Brief description of the drawings】
Fig. 1 is a kind of schematic perspective view for three frequencies ultra wide band antenna for base station that the embodiment of the utility model one provides；
Fig. 2 is the top view of three frequency ultra wide band antenna for base station shown in Fig. 1；
Fig. 3 is the side view of three frequency ultra wide band antenna for base station shown in Fig. 1；
Fig. 4 is a kind of schematic perspective view for three frequencies ultra wide band antenna for base station that another embodiment of the utility model provides；
Fig. 5 is the top view of three frequency ultra wide band antenna for base station shown in Fig. 4.
【Embodiment】
The utility model will be further described with reference to the accompanying drawings and examples.
With reference to figure 1, Fig. 2 and Fig. 3, a kind of three frequencies ultra wide band antenna for base station provided by the utility model, including reflecting plate 1,
It is arranged on 1 positive radiating curtain of reflecting plate and is arranged on the feeding network at the back side of reflecting plate 1.Reflecting plate 1 is that a metal is anti-
Penetrate plate.Two sides of longitudinal direction of reflecting plate 1 form vertical flange 11 towards the front turnover of reflecting plate 1 respectively.Feeding network be used for pair
Radiating curtain provides parallelly feeding.
Radiating curtain includes a low frequency radiation array 2 and two high frequency radiation arrays 3.Low frequency radiation array 2 works in
790MHz-960MHz frequency ranges, high frequency radiation array 3 work in 1710MHz-2690MHz frequency ranges.Low frequency radiation array 2 is arranged on
On 1 positive longitudinal axis of reflecting plate.Two high frequency radiation arrays 3 are symmetrically distributed in the both sides of low frequency radiation array 2.High frequency spoke
The phase center of the phase center and low frequency radiation array 2 of penetrating array 3 is located in same horizontal line.
In the present embodiment, low frequency radiation array 2 includes 3 low frequency radiating elements, 21,3 low frequency radiating elements 21 along reflection
The longitudinally spaced front for being arranged on reflecting plate 1 of plate 1, specifically, 3 low frequency radiating elements 21 are being disposed on reflecting plate 1 just
On the longitudinal axis in face.Low frequency radiating element 21 each polarizes by two idols using the dual polarization die casting oscillator of square bowl-type
Extremely son is in parallel is formed.Each high frequency radiation array 3 includes 7 high frequency radiating elements 31.7 high frequency radiating elements 31 are along reflecting plate
The 1 longitudinally spaced front for being arranged on reflecting plate 1.Specifically, high frequency radiating element 31 is fixed to reflecting plate 1 by fastener
Front, fastener can be such as screw, screw rod and nut.High frequency radiating element 31 is using dual polarization die casting oscillator.
In low frequency radiation array 2, the spacing between adjacent two low frequency radiating elements 21 is phase in high frequency radiation array 3
2.5 times of spacing between two adjacent high frequency radiating elements 31.Specifically, in the present embodiment, adjacent two low frequency radiations
Spacing between unit 21 is 300 millimeters, and the spacing in high frequency radiation array 3 between two adjacent high frequency radiating elements 31 is
120 millimeters.
L-shaped metal isolating bar 5 is provided between two adjacent low frequency radiating elements 21, L-shaped metal isolating bar 5 is fixed to anti-
Penetrate the front of plate 1.The center of L-shaped metal isolating bar 5 is centrally located on same horizontal line with low frequency radiating element 21.L-shaped
Metal isolating bar 5 includes being fixed to the positive horizontal part 51 of reflecting plate 1 and vertical portion 52, one end and the vertical portion 52 of horizontal part 51
Connection, the other end is towards one of high frequency radiation array 3.
3 low frequency radiating elements 21 include a center low frequency radiating element 211, with the phase of center low frequency radiating element 211
The both sides of two adjacent low frequency radiating elements 21 are respectively equipped with Z-shaped metal isolating bar 6, and Z-shaped metal isolating bar 6 is fixed to reflecting plate
1 front, and can be positioned at the adjacent of corresponding side between adjacent two high frequency radiating element 31 of corresponding side
Centre position between two high frequency radiating elements 31.The center of Z-shaped metal isolating bar 6 and corresponding low frequency radiating element 21
It is centrally located on same horizontal line.Z-shaped metal isolating bar 6 is included fixed to the positive first level portion of reflecting plate 1 and first
The rake and the second horizontal part of horizontal part one end connection, one end of the second horizontal part and the end of rake connect.First
The other end of horizontal part is towards adjacent vertical flange 11, and the other end of the second horizontal part is towards adjacent low frequency radiating element
21。
The both sides of each high frequency radiation array 3 are respectively equipped with metal surrounding edge 4, and two metal surrounding edges 4 are fixed to reflecting plate 1
Front is simultaneously symmetrical on high frequency radiation array 3, and is not contacted with low frequency radiating element 21.Metal surrounding edge 4 is shaped as approximate U
Shape.There is gap between the metal surrounding edge 4 adjacent with the vertical flange 11 of reflecting plate 1 and vertical flange 11, and metal surrounding edge 4
Highly it is less than the height of vertical flange 11.Spacing between two metal surrounding edges 4 is more than the high frequency of corresponding high frequency radiation array 3
The bore of radiating element 31.
The top of high frequency radiating element 31 guides piece 32 into provided with metal.What metal guided piece 32 into is shaped as circle.Specifically,
Metal guides the surface that piece 32 is fixed to high frequency radiating element 31 by fastener into.Fastener is such as screw.
Vertical flange 11, L-shaped metal isolating bar 5, the Z-shaped metal isolating bar 6 of reflecting plate 1 are mainly used in adjusting low frequency radiation
The antenna pattern of array 2, so as to reach the radiation characteristic of regulation low-frequency range.The vertical flange 11 of reflecting plate 1, metal surrounding edge 4,
Metal guides the antenna pattern that piece 32 is mainly used in adjusting high frequency radiation array 3 into, special so as to reach the radiation of regulation high band
Property.In this way, pass through the width of Reasonable adjustment reflecting plate 1, the height of vertical flange 11, the size of L-shaped metal isolating bar 5, Z-shaped gold
The positions and dimensions of category isolating bar 6 may be such that antenna has preferable radiation characteristic in low-frequency range.It is vertical by reasonably adjusting
The height of flange 11, the size of the spacing between two metal surrounding edges 4 of the same side and metal surrounding edge 4, metal guide piece into
It 32 position and height, may be such that antenna can obtain good radiation characteristic in high band, while coordinate the structured size of institute
High band and the mutual coupling sound equipment of low-frequency range can effectively be reduced, good S parameter index can be obtained.
In another embodiment, unlike the embodiments above with reference to figure 4 and Fig. 5, low frequency radiation array 2 includes 5
The longitudinally spaced front that is arranged on reflecting plate 1 of 21,5 low frequency radiating elements 21 of low frequency radiating element along reflecting plate 1.It is each high
Radio-frequency radiation array 3 includes 11 high frequency radiating elements 31.11 high frequency radiating elements are arranged on instead along the longitudinally spaced of reflecting plate 1
Penetrate the front of plate 1.
5 low frequency radiating elements 21 include a center low frequency radiating element 211, with the phase of center low frequency radiating element 211
The both sides of two adjacent low frequency radiating elements 21 are respectively equipped with Z-shaped metal isolating bar 6, and Z-shaped metal isolating bar 6 is fixed to reflecting plate
1 front, and between adjacent two high frequency radiating element 31 of corresponding side.
The number of the low frequency radiating element of low frequency radiation array 2 is such as represented with N, then the high frequency of each high frequency radiation array 3
The number of radiating element 31 is then 2N+1, i.e., low frequency radiation array 2 includes N number of low frequency radiating element 21, each high frequency radiation battle array
Row 3 include 2N+1 high frequency radiating element 31, and N is the positive integer more than or equal to 1.
The utility model uses arrangement mode side by side by a low frequency radiation array 2 and two high frequency radiation arrays 3,
Both the spacing of high frequency radiating element 31 had been fully ensured that, in turn ensure that between high frequency radiating element 31, low frequency radiating element 21
Influence each other smaller, so as to ensure that the electric property of high band and low-frequency range so that high band and low-frequency range are respectively provided with preferably
Front and rear ratio, cross polarization ratio characteristic, the convergence of horizontal plane beam angle, while there is the good circuit performance such as high-isolation,
Ensure that antenna obtains under reduced size can meet index request of the current GSM to multifrequency antenna.
The utility model is simple in construction, be easily assembled to, stable performance, cost are relatively low.
Above example only expresses preferred embodiment of the present utility model, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the utility model patent scope can not be interpreted as.It should be pointed out that the ordinary skill for this area
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, such as to each implementation
Different characteristic in example is combined, and these belong to the scope of protection of the utility model.
Claims (9)
1. a kind of three frequency ultra wide band antenna for base station, including reflecting plate, it is arranged on the positive radiating curtain of reflecting plate and is arranged on
The feeding network of back is reflected, the radiating curtain is connected with the feeding network, it is characterised in that：The radiating curtain bag
A low frequency radiation array and two high frequency radiation arrays are included, described two high frequency radiation arrays are symmetrically distributed in the low frequency spoke
Penetrate the both sides of array；The low frequency radiation array includes N number of low frequency radiating element, and N number of low frequency radiating element is along described anti-
Penetrate the longitudinally spaced front for being arranged on the reflecting plate of plate；Each high frequency radiation array includes 2N+1 high frequency radiation list
Member, the longitudinally spaced front that is arranged on the reflecting plate of the 2N+1 high frequency radiating element along the reflecting plate；The N is
Positive integer more than or equal to 1；L-shaped metal isolating bar, the L-shaped gold are provided between two adjacent low frequency radiating elements
Belong to the front that isolating bar is fixed to the reflecting plate.
2. three frequencies ultra wide band antenna for base station according to claim 1, it is characterised in that：The phase of the high frequency radiation array
Center and the phase center of the low frequency radiation array are located in same horizontal line.
3. three frequencies ultra wide band antenna for base station according to claim 1, it is characterised in that：Each high frequency radiation array
Both sides are respectively equipped with metal surrounding edge, and described two metal surrounding edges are fixed to the front of the reflecting plate and on the high frequency radiation
Array is symmetrical, and is not contacted with the low frequency radiating element.
4. three frequencies ultra wide band antenna for base station according to claim 3, it is characterised in that：Between described two metal surrounding edges
Spacing is more than the bore of the high frequency radiating element of the corresponding high frequency radiation array.
5. three frequencies ultra wide band antenna for base station according to claim 1, it is characterised in that：In the low frequency radiation array, phase
Spacing between two adjacent low frequency radiating elements is two high frequency radiations adjacent in the high frequency radiation array
2.5 times of spacing between unit.
6. three frequencies ultra wide band antenna for base station according to claim 1, it is characterised in that：The L-shaped metal isolating bar includes
Fixed to the positive horizontal part of the reflecting plate and vertical portion, one end of the horizontal part is connected with the vertical portion, the other end
Towards high frequency radiation array one of them described.
7. three frequencies ultra wide band antenna for base station according to claim 1, it is characterised in that：N number of low frequency radiating element bag
A center low frequency radiating element is included, the both sides difference of two low frequency radiating elements adjacent with the center low frequency radiating element
Provided with Z-shaped metal isolating bar, the Z-shaped metal isolating bar is fixed to the front of the reflecting plate, and positioned at the phase of corresponding side
Between two adjacent high frequency radiating elements.
8. three frequencies ultra wide band antenna for base station according to claim 1, it is characterised in that：The top of the high frequency radiating element
Piece is guided into provided with metal.
9. three frequencies ultra wide band antenna for base station according to claim 1, it is characterised in that：Two sides of longitudinal direction of the reflecting plate
Respectively vertical flange is formed towards the front turnover of reflecting plate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621450260X | 2016-12-28 | ||
| CN201621450260 | 2016-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206774669U true CN206774669U (en) | 2017-12-19 |
Family
ID=60631345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720338234.6U Expired - Fee Related CN206774669U (en) | 2016-12-28 | 2017-04-01 | A kind of three frequency ultra wide band antenna for base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206774669U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216945A (en) * | 2018-09-28 | 2019-01-15 | 深圳国人通信股份有限公司 | A kind of multifrequency antenna for base station |
| CN110556634A (en) * | 2019-09-11 | 2019-12-10 | 哈尔滨工业大学 | 5G multi-frequency base station antenna array |
-
2017
- 2017-04-01 CN CN201720338234.6U patent/CN206774669U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109216945A (en) * | 2018-09-28 | 2019-01-15 | 深圳国人通信股份有限公司 | A kind of multifrequency antenna for base station |
| CN110556634A (en) * | 2019-09-11 | 2019-12-10 | 哈尔滨工业大学 | 5G multi-frequency base station antenna array |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106654603A (en) | Triple-band ultra-wide-band base station antenna | |
| CN205231255U (en) | Three frequency base station antenna | |
| CN106961010A (en) | A kind of three frequency Bipolarization antenna for base station | |
| CN203589218U (en) | Antenna | |
| CN205303691U (en) | Dual -frenquency double polarization base station antenna | |
| CN208028207U (en) | A kind of double broadband base station antennas | |
| CN203232955U (en) | Antenna oscillator and antenna with same | |
| CN109216945A (en) | A kind of multifrequency antenna for base station | |
| CN108565544A (en) | A kind of ultra wide band 5G mimo antenna structures | |
| CN110112545A (en) | A kind of integral antenna of integrated solar cell piece | |
| CN108899644A (en) | A kind of low section, miniaturization, high-isolation dual-polarized patch antenna unit | |
| CN106299670A (en) | A kind of double frequency ultra broadband antenna for base station | |
| CN103956564A (en) | Bandwidth dual-polarization radiating element and antenna | |
| CN203826542U (en) | Broadband dual polarization radiation unit and antenna | |
| CN206864622U (en) | A kind of three frequency Bipolarization antenna for base station | |
| CN206774669U (en) | A kind of three frequency ultra wide band antenna for base station | |
| CN102790284A (en) | Antenna device with multiple boundaries and reflecting board thereof | |
| CN208385613U (en) | A kind of ultra wide band 5G mimo antenna structure | |
| CN206432386U (en) | A kind of ultra-wideband dual-band and dual-polarization plate antenna | |
| CN104681927A (en) | Antenna | |
| CN207938797U (en) | Mimo antenna array, mimo antenna and base station | |
| CN204857972U (en) | Fractal hollowed out design ultra wide band dual polarized antenna oscillator | |
| CN206098698U (en) | Dual -frenquency ultra wide band base station antenna | |
| CN208157629U (en) | A kind of exhaust-pipe-shaped multiport embellished antenna | |
| CN205846249U (en) | Antenna assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20210401 |