CN207474659U - Multifrequency antenna for base station and the reflecting element applied to antenna for base station - Google Patents
Multifrequency antenna for base station and the reflecting element applied to antenna for base station Download PDFInfo
- Publication number
- CN207474659U CN207474659U CN201721505869.7U CN201721505869U CN207474659U CN 207474659 U CN207474659 U CN 207474659U CN 201721505869 U CN201721505869 U CN 201721505869U CN 207474659 U CN207474659 U CN 207474659U
- Authority
- CN
- China
- Prior art keywords
- antenna
- base station
- reflecting element
- radiating element
- high frequency
- 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.)
- Active
Links
Landscapes
- Aerials With Secondary Devices (AREA)
Abstract
The utility model provides a kind of multifrequency antenna for base station and the reflecting element applied to antenna for base station, the multifrequency antenna for base station includes antenna-reflected plate, the low frequency radiating element and high frequency radiating element being set on antenna-reflected plate, the reflecting element for being applied to antenna for base station is nested with below the high frequency radiating element, there are distances with the antenna-reflected plate for the reflecting element.The utility model multifrequency antenna for base station, there is provided low frequency radiating elements and high frequency radiating element, and reflecting element is nested with below the high frequency radiating element, it solves the problems, such as that ultra wide band antenna for base station wave beam is discrete, improves the isolation between high frequency radiating element not same polarization.
Description
【Technical field】
The utility model is related to a kind of communications field, more particularly, between a kind of improvement high frequency radiating element not same polarization
The multifrequency antenna for base station of isolation.
【Background technology】
Crucial front end component of the antenna as wireless communication system, the quality of performance play the network quality of operator
Decisive role.In recent years, with the sharp increase of mobile subscriber's quantity, communication system is in continuous renewal and dilatation, to antenna
Design propose increasingly higher demands, antenna wideband, multifrequency are on the one hand required, to meet the communication of multiple systems simultaneously
It is required that；On the other hand requirement realizes that shared by multiple systems reduces the quantity of antenna, to reduce the interference between antenna and reduce cost.With
It operator increasingly to improve the index request of double-frequency double-polarization base station antenna, the core of current double-frequency double-polarization base station antenna design
Heart problem is exactly constantly to optimize the way of realization of double-frequency double-polarization base station antenna, design and reflection side including radiating element
The optimization on boundary so that antenna meets new technology requirement.Designing double frequency or during multifrequency base station array antenna, especially wideband
During band double frequency or multifrequency antenna, antenna would generally there are clutters except working frequency range.And these can cause difference with outer clutter
Serious coupling between frequency range, while can also seriously affect the directional diagram of antenna.Traditional double-frequency double-polarization base station antenna in order to
Realize that good alien frequencies isolation needs cascading filter or combiner/duplexer or using filter antenna, i.e., by radiator
The scheme being combined with filtering performance.But selectivity be for adjacent band similar in working frequency range.When two work
Frequency range is separated by far, when bandwidth is wider, is just difficult to work.
【Invention content】
The purpose of this utility model is to provide a kind of multifrequencies of isolation between improvement high frequency radiating element not same polarization
Antenna for base station and the reflecting element applied to the antenna for base station.
To realize the utility model aim, following technical scheme is provided：
The utility model provides a kind of multifrequency antenna for base station, including antenna-reflected plate, is set on antenna-reflected plate
Low frequency radiating element and high frequency radiating element, are nested with reflecting element below the high frequency radiating element of part, the reflecting element with
There are distances for the antenna-reflected plate.
Preferably, the low frequency radiating element and high frequency radiating element is coaxial is arranged on the same axis of reflecting plate is adjacent
Spacing between the low frequency radiating element is 2 times of spacing between the adjacent high frequency radiating element.In some other implementation
In example, the spacing between the adjacent low frequency radiating element is that the ratio of spacing between the adjacent high frequency radiating element can also
It is other numerical value, such as 4 or 1.
Preferably, the part high frequency radiating element is arranged in the low frequency radiating element, described to be arranged on low frequency spoke
The reflecting element is nested with below the high frequency radiating element penetrated in unit.
Preferably, the antenna-reflected plate width is about 0.5 of wavelength corresponding to the low frequency radiating element centre frequency
~0.8 times.
Preferably, the reflecting element is about that the centre frequency institute of the high frequency radiating element is right with a distance from antenna-reflected plate
Answer wavelength 0.1~0.18 times.
Preferably, further comprise support column, the support column connects the reflecting element and antenna-reflected plate, described anti-
It penetrates part and is equipped with the connecting hole for connecting the support column.
Preferably, the reflecting element includes the connection of four angle of polygon and the two neighboring angle of polygon of connection
Arm, four angle of polygon are interconnected two-by-two by four linking arms, and nested hole is equipped among the reflecting element.Or the reflection
Part includes annulus linking arm, and nested hole is set among annulus linking arm；Or the reflecting element is that include multiple linking arms mutual two-by-two
Polygon even, and nested hole is equipped among the reflecting element.
Preferably, the linking arm overall length of the reflecting element is about the high frequency radiating element centre frequency corresponding wavelength
1.5~2.13 times.
Preferably, the reflecting element is round or hexagon or octagon, and nested hole is equipped among the reflecting element.
The utility model additionally provides a kind of reflecting element applied to antenna for base station, and the reflecting element is equipped with nesting to be intermediate
The platelet-like reflective device in hole, the reflecting element are nested in by the nested hole below the high frequency radiating element of antenna for base station.
Preferably, the reflecting element includes the connection of four angle of polygon and the two neighboring angle of polygon of connection
Arm, four angle of polygon are interconnected two-by-two by four linking arms；Alternatively, the reflecting element for round or hexagon or octagon or
It is other polygons.
The prior art is compared, the utility model has the following advantages：
The utility model multifrequency antenna for base station, there is provided low frequency radiating element and high frequency radiating element, and in the high frequency
Reflecting element is nested with below radiating element, solves the problems, such as that ultra wide band antenna for base station wave beam is discrete, improves high frequency radiation list
Isolation between first not same polarization.
【Description of the drawings】
Fig. 1 is the structure diagram of the utility model multifrequency antenna for base station；
Fig. 2 is the structure diagram for the reflecting element embodiment one that the utility model is applied to antenna for base station；
Fig. 3 is the structure diagram for the reflecting element embodiment two that the utility model is applied to antenna for base station；
Fig. 4 is the structure diagram for the reflecting element embodiment three that the utility model is applied to antenna for base station.
【Specific embodiment】
Referring to Fig. 1, the structure diagram of the utility model multifrequency antenna for base station, the multifrequency antenna for base station includes antenna
Reflecting plate, the antenna-reflected plate include bottom plate 1 and side plate 2, low frequency radiating element are provided on the bottom plate 1 of antenna-reflected plate
3 and high frequency radiating element 4, reflecting element 5, the reflecting element 5 and the antenna-reflected are nested with below the high frequency radiating element
There are a certain distance for the bottom plate 1 of plate.
The low frequency radiating element 3 is bowl-shape radiating element.In the present embodiment, the low frequency radiating element 3 and high frequency
Radiating element 4 is coaxial to be arranged on the same axis of reflecting plate bottom plate 1, and the spacing between the adjacent low frequency radiating element 3 is
2 times of spacing between the adjacent high frequency radiating element 4.
As shown in Figure 1, the part high frequency radiating element 4 is arranged between low frequency radiating element 3, part high frequency radiation list
Member 4 is arranged in low frequency radiating element 3.4 lower section of high frequency radiating element being arranged in low frequency radiating element 3 is nested with described anti-
Penetrate part 5.
Specifically, the width of the antenna-reflected plate bottom plate 1 is about corresponding to the centre frequency of the low frequency radiating element 3
0.5~0.8 times of wavelength.The reflecting element 5 is about in the high frequency radiating element 4 with a distance from antenna-reflected plate bottom plate 1
0.1~0.18 times of wavelength corresponding to frequency of heart.
Fig. 2~4 are please referred to, the reflecting element 5 can be set to the antenna-reflected plate by support column (not shown)
On bottom plate 1, the reflecting element 5 is equipped with the connecting hole 53 for connecting the support column.
Referring to Fig. 2, the reflecting element 5 includes four angle of polygon 51 and the two neighboring angle of polygon of connection
51 linking arm 52, four angle of polygon 51 are interconnected two-by-two by four linking arms 52, and nesting is equipped among the reflecting element
Hole 54, the reflecting element 5 are nested in 4 lower section of high frequency radiating element by the nesting hole 54.Four linking arms 52 are total
Long is about 1.5~2.13 times of the 4 centre frequency corresponding wavelength of high frequency radiating element.4 lower section of high frequency radiating element is embedding
The reflecting element 5 of set, the length and width selection of linking arm 52 can optimize the high frequency radiating element radiance.
Specifically, 5 shape of reflecting element is substantially in quadrangle in the present embodiment, preferably four sides are symmetrically square
Shape, the angle of polygon 51 are located at the vertex of the quadrangle, and the outside of angle of polygon 51 is angle trimming 511,511 liang of angle trimming
The angle side 512 of side is parallel with the linking arm 52, and wider compared with linking arm 52, and 54 vertex of the nesting hole also is provided with hole
Trimming 541, it is parallel in the angle trimming 511.The connecting hole 53 is arranged on four angle of polygon 51.
The reflecting element 5 can also be other shapes, circle as shown in Figure 3, and the connecting hole 53 is evenly distributed on instead
It penetrates on the annular arm 54 of part, and intermediate is circular nested hole 55；In another embodiment, the reflecting element is octagon, such as
Shown in Fig. 4, the connecting hole 53 is distributed on the octagon arm 56 of reflecting element, and eight sides are equipped among the reflecting element
Shape nesting hole 57.
The above is only the preferred embodiment of the present invention, and the scope of protection of the utility model is not limited thereto,
Any equivalent transformation based in technical solutions of the utility model is belonged within scope of protection of the utility model.
Claims (10)
1. a kind of multifrequency antenna for base station, which is characterized in that it includes antenna-reflected plate, the low frequency spoke being set on antenna-reflected plate
Unit and high frequency radiating element are penetrated, reflecting element, the reflecting element and the day are nested with below the high frequency radiating element of part
There are distances for line reflection plate.
2. multifrequency antenna for base station as described in claim 1, which is characterized in that the low frequency radiating element and high frequency radiating element
Coaxial to be arranged on the same axis of reflecting plate, the spacing between the adjacent low frequency radiating element is the adjacent high frequency radiation list
2 times of spacing between member.
3. multifrequency antenna for base station as claimed in claim 2, which is characterized in that the part high frequency radiating element is arranged on described
In low frequency radiating element, the reflecting element is nested with below the high frequency radiating element being arranged in low frequency radiating element.
4. multifrequency antenna for base station as described in claim 1, which is characterized in that the antenna-reflected plate width is about the low frequency
0.5~0.8 times of wavelength corresponding to radiating element centre frequency.
5. multifrequency antenna for base station as described in claim 1, which is characterized in that the reflecting element with a distance from antenna-reflected plate about
0.1~0.18 times for wavelength corresponding to the centre frequency of the high frequency radiating element.
6. multifrequency antenna for base station as described in claim 1, which is characterized in that it further comprises support column, the support column
The reflecting element and antenna-reflected plate are connected, the reflecting element is equipped with the connecting hole for connecting the support column.
7. such as claim 1~6 any one of them multifrequency antenna for base station, which is characterized in that the reflecting element is included more than four
Side shape angle and the linking arm of the two neighboring angle of polygon of connection, four angle of polygon are interconnected two-by-two by four linking arms,
And nested hole is equipped among the reflecting element；Or the reflecting element includes annulus linking arm, is set among annulus linking arm
Nested hole；Or the reflecting element is to include the polygon that multiple linking arms interconnect two-by-two, and equipped with embedding among the reflecting element
Sets of holes.
8. multifrequency antenna for base station as claimed in claim 7, which is characterized in that the linking arm overall length is about the high frequency radiation
1.5~2.13 times of unit center frequency corresponding wavelength.
9. a kind of reflecting element applied to antenna for base station, which is characterized in that the reflecting element is the intermediate sheet for being equipped with nested hole
Reflection device, the reflecting element are nested in by the nested hole below the high frequency radiating element of antenna for base station.
10. reflecting element as claimed in claim 9, which is characterized in that the reflecting element includes four angle of polygon and connection
The linking arm of the two neighboring angle of polygon, four angle of polygon are interconnected two-by-two by four linking arms；Alternatively, the reflecting element
For round or hexagon or octagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721505869.7U CN207474659U (en) | 2017-11-13 | 2017-11-13 | Multifrequency antenna for base station and the reflecting element applied to antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721505869.7U CN207474659U (en) | 2017-11-13 | 2017-11-13 | Multifrequency antenna for base station and the reflecting element applied to antenna for base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474659U true CN207474659U (en) | 2018-06-08 |
Family
ID=62263926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721505869.7U Active CN207474659U (en) | 2017-11-13 | 2017-11-13 | Multifrequency antenna for base station and the reflecting element applied to antenna for base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207474659U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768808A (en) * | 2017-11-13 | 2018-03-06 | 广东通宇通讯股份有限公司 | Multifrequency antenna for base station and the reflecting element applied to antenna for base station |
-
2017
- 2017-11-13 CN CN201721505869.7U patent/CN207474659U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768808A (en) * | 2017-11-13 | 2018-03-06 | 广东通宇通讯股份有限公司 | Multifrequency antenna for base station and the reflecting element applied to antenna for base station |
| CN107768808B (en) * | 2017-11-13 | 2024-06-04 | 广东通宇通讯股份有限公司 | Multi-frequency base station antenna and reflecting piece applied to base station antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205303691U (en) | Dual -frenquency double polarization base station antenna | |
| US10680323B2 (en) | Broadband dual-band base station antenna array with high out-of-band isolation | |
| CN209183755U (en) | Feeding network | |
| CN103840254B (en) | Ultra-broadband dual-frequency band cell-site antenna | |
| CN203232955U (en) | Antenna oscillator and antenna with same | |
| CN107706512B (en) | A kind of feeding network system for extensive mimo antenna | |
| CN104901004B (en) | A kind of high-gain end-fire millimeter wave antenna | |
| CN103956564A (en) | Bandwidth dual-polarization radiating element and antenna | |
| CN203826542U (en) | Broadband dual polarization radiation unit and antenna | |
| CN107768808A (en) | Multifrequency antenna for base station and the reflecting element applied to antenna for base station | |
| CN206225561U (en) | A kind of big angle of declination antenna for base station of biserial | |
| CN106299670A (en) | A kind of double frequency ultra broadband antenna for base station | |
| CN105552519A (en) | Wideband dual-polarization radiating unit and base station antenna | |
| CN106602223B (en) | Low-frequency radiation unit | |
| CN206864622U (en) | A kind of three frequency Bipolarization antenna for base station | |
| CN207474659U (en) | Multifrequency antenna for base station and the reflecting element applied to antenna for base station | |
| CN110444907B (en) | Two-low three-high miniaturized multiport base station antenna | |
| CN102683824A (en) | Novel small-size multi-input multi-output antenna | |
| CN205846249U (en) | Antenna assembly | |
| CN204407506U (en) | Hybrid radiant body antenna structure | |
| CN107887684B (en) | Mimo antenna array, mimo antenna and base station | |
| CN204167475U (en) | Horizontally polarized omnidirectional antenna altogether | |
| CN206098698U (en) | Dual -frenquency ultra wide band base station antenna | |
| CN103337712A (en) | An antenna radiation unit and an electricity feeding method | |
| CN107394346B (en) | Communication device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |