CN206259489U - Base station antenna radiation unit and antenna for base station - Google Patents
Base station antenna radiation unit and antenna for base station Download PDFInfo
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- CN206259489U CN206259489U CN201621382671.XU CN201621382671U CN206259489U CN 206259489 U CN206259489 U CN 206259489U CN 201621382671 U CN201621382671 U CN 201621382671U CN 206259489 U CN206259489 U CN 206259489U
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- base station
- oscillator
- station antenna
- radiant body
- radiation unit
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Abstract
The utility model discloses a kind of base station antenna radiation unit and antenna for base station, the base station antenna radiation unit includes oscillator radiant body, radiation supporter and reflecting plate, oscillator radiant body is located at one end of radiation supporter, and multiple oscillator arms are circumferentially distributed with the end face of oscillator radiant body, it is of coupled connections by the line that is of coupled connections between the two neighboring oscillator arms, be of coupled connections line by polarize multiple oscillator arms be of coupled connections, radiate supporter another termination reflection plate and its bottom disconnected with reflecting plate direct current.The utility model had both met the ultra-wideband impedance bandwidth of antenna, and the radiation parameter of antenna is improved again, and the imbalance problem of original its base drive is also addressed.
Description
Technical field
The utility model is related to antenna for base station field, more particularly, to a kind of antenna for base station that can effectively reduce height resonance
Radiating element and antenna for base station.
Background technology
In mobile communication development process, the volume of business explosive growth that wireless system is undertaken, the application of antenna-feedback system
Technology is constantly updated, and the application technology of antenna gradually develops to both direction：On the one hand it is required by frequency spectrum resource makes full use of
Broad-band antenna application technology；Another aspect is the support MIMO (Multiple- of expansion carrier frequency capacity under existing spectrum conditions
Input Multiple-Output, multiple-input and multiple-output) multiple antennas application technology.
With developing rapidly for mobile communication technology, UWB Antenna application technology does not adapt to big flow high-speed data
The demand of communication, effective antenna feeder solution is to support OFDMA (Orthogonal Frequency Division
Multiple Access, OFDM) multi-antenna technology.But multi-antenna technology is limited by the requirement conveniently built a station again,
Accordingly, it would be desirable to super wide frequency technology and multiple antennas are integrated.Another aspect communication system optimizes to antenna footprint
Random adjustment, requires to increase remote antenna angle of declination control technology, to meet the market demand, therefore the integrated ultra-wide of multiple antennas again
Frequency electrical tilt antenna arises at the historic moment.
Ultra-wide-band emission unit in existing ultra-wideband electrical tilt antenna, can do ultra wide band by increasing oscillator section and set
Meter, it is also possible to strengthen cross polarization discrimination by being directly connected to different polarized radiation bodies, but so treatment is greatly reduced
Antenna impedance bandwidth, the impedance bandwidth and radiation parameter that make antenna cannot be unified.And existing ultra-wide-band emission unit generation
The radiation parameter of multiaerial system is influenceed low-and high-frequency resonance and circuit parameter has influenceed.
Utility model content
The purpose of this utility model is the defect for overcoming prior art, there is provided a kind of base station antenna radiation unit and base station
Antenna, to solve effectively to reduce resonance to the radiation parameter influence of multiaerial system and Circuit Parameter's Influence.
To achieve the above object, the utility model proposes following technical scheme：A kind of base station antenna radiation unit, including shake
Sub- radiant body, radiation supporter and reflecting plate, the oscillator radiant body are located at one end of radiation supporter, and oscillator radiant body
Multiple oscillator arms are circumferentially distributed with end face, are of coupled connections by the line that is of coupled connections between the two neighboring oscillator arms, it is described
Another termination reflecting plate and its bottom for radiating supporter are disconnected with the reflecting plate direct current.
Preferably, the line that is of coupled connections is uniformly distributed circumferentially on the oscillator radiant body.
Preferably, the line that is of coupled connections includes first connecting portion, middle interconnecting piece and second connecting portion, and described first connects
Socket part and second connecting portion are respectively attached in two neighboring oscillator arms, and the middle interconnecting piece connection first and second is connected
Portion, and it is attached on the oscillator radiant body.
Preferably, it is described to be of coupled connections line and oscillator arms are distributed in the relative both ends of the surface of the oscillator radiant body respectively.
Preferably, the width of the line that is of coupled connections is wide or gradual change.
Preferably, the oscillator radiant body is two-sided pcb board.
Preferably, it is described to be of coupled connections line and oscillator arms are respectively printed in the relative both ends of the surface of the oscillator radiant body.
Preferably, the oscillator arms are metallic plate, and the line that is of coupled connections is metal conduction band.
Preferably, the oscillator radiant body be the first insulation medium board, first insulation medium board be located at oscillator arms and
It is of coupled connections between line.
Preferably, the oscillator arms and it is of coupled connections line the first insulation is fixedly installed in the first insulating fixing structure respectively
In the relative both ends of the surface of dielectric-slab.
Preferably, first insulating fixing structure be at least plastic cement riveting, plastic cement snap fit fix, solid or liquid glue it is solid
One kind in fixed, plastic cement screw threads for fastening structure.
Preferably, the bottom of the radiation supporter is disconnected with reflecting plate by direct current open circuit groove direct current.
Preferably, the radiation supporter includes two mutually orthogonal feed Baluns and balun fixed plate, and the balun is consolidated
Fixed board is located at the one end of feed Balun away from oscillator radiant body.
Preferably, the direct current open circuit groove is made up of the first cut-off hole on reflecting plate and closing surface, the closing surface position
In the described first cut-off hole inner side, and it is the portion end surface of balun fixed plate bottom.
Preferably, the balun fixed plate is two-sided or one side pcb board, and the closing surface is the metal printed on pcb board
Region.
Preferably, the balun fixed plate is metallic plate, by the second insulation between the balun fixed plate and reflecting plate
Dielectric-slab separates, and the closing surface is the portion end surface of the second insulation medium board bottom.
Preferably, between the balun fixed plate and the second insulation medium board, between the second insulation medium board and reflecting plate
It is fixedly connected by the second insulating fixing structure.
Preferably, second insulating fixing structure be at least plastic cement riveting, plastic cement snap fit fix, plastic cement screw threads for fastening knot
One kind in structure.
Preferably, the second cut-off hole nested with the described first cut-off hole is further opened with the closing surface.
Preferably, the shape in the first, second cut-off hole is corresponding with the shape of closing surface, the cut-off hole and cut-off
Circular, the square or oval one kind of being shaped as face.
Preferably, the second cut-off hole is one or more.
The utility model also proposed another technical scheme：A kind of antenna for base station, including above-mentioned base station antenna radiation
Unit.
Preferably, the base station antenna radiation unit is distributed on reflecting plate in the way of side by side.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model is connected to not like-polarized coupling by loading the line that is of coupled connections on its radiant body
Together, while the bottom balun direct current of oscillator is earth-free, the ultra-wideband impedance bandwidth of antenna had both been met, the spoke of antenna had been improved again
Parameter is penetrated, and the imbalance problem of original its base drive is also addressed.
2nd, under multiple antennas integrated system, the introducing of the utility model oscillator can effectively reduce low-and high-frequency resonance, both meet
MIMO solves in multiaerial system between low-and high-frequency radiant body resonance to aerial radiation again to the insulation request of multiaerial system
The influence of index.
3rd, the utility model oscillator can be more with the multifrequency that side by side modes constitute low resonance with low frequency/high frequency oscillator
Its characteristic boundary, can effectively reduce resonance to the radiation parameter influence of multiaerial system and Circuit Parameter's Influence, the perimeter strip
Ultra-wideband multifrequency multi-port antenna system under part supports LTE technologies and AISG agreements.
Brief description of the drawings
Fig. 1 a are the dimensional structure diagrams of the utility model base station antenna radiation unit；
Fig. 1 b are the dimensional structure diagrams of another angles of Fig. 1 a；
Fig. 2 a are that the stereochemical structure of the utility model base station antenna radiation unit (line width that is of coupled connections is gradual change) is shown
It is intended to；
Fig. 2 b are the overlooking the structure diagrams of Fig. 2 a；
Fig. 3 is that the utility model is of coupled connections the structural representation of line；
Fig. 4 a are the dimensional structure diagrams of another embodiment of the utility model base station antenna radiation unit；
Fig. 4 b are the configuration schematic diagrams of Fig. 4 a；
Fig. 5 is the dimensional structure diagram of another embodiment of the utility model base station antenna radiation unit；
Fig. 6 a are the dimensional structure diagrams of the utility model antenna for base station；
Fig. 6 b are the dimensional structure diagrams of another angles of Fig. 6 a；
Fig. 6 c are the partial enlargement structural representations of Fig. 6 b；
Fig. 6 d are the overlooking the structure diagrams of Fig. 6 a；
Fig. 6 e are the side structure schematic views of Fig. 6 a；
Fig. 6 f are the partial enlargement structural representations of Fig. 6 e.
Reference：1st, oscillator radiant body, 2, radiation supporter, 21, feed Balun, 22, balun fixed plate, 3, reflection
Plate, 4, oscillator arms, 5, be of coupled connections line, 51, first connecting portion, 52, middle interconnecting piece, 53, second connecting portion, the 6, first insulation
Dielectric-slab, 7, direct current open circuit groove, the 71, first cut-off hole, 72, closing surface, the 8, second insulation medium board.
Specific embodiment
Below in conjunction with accompanying drawing of the present utility model, the technical scheme of the utility model embodiment is carried out clear, complete
Description.
A kind of base station antenna radiation unit disclosed in the utility model, is of coupled connections by being loaded on its radiant body
Line, links together not like-polarized coupling, while its feed Balun bottom not DC earthing, can effectively solve height
Frequency resonance.It is incorporated under multiple antennas integrated system, has both met insulation requests of the MIMO to multiaerial system, multiple antennas is solved again
Influence of the resonance to aerial radiation index between low-and high-frequency radiant body in system.
With reference to shown in Fig. 1 a, Fig. 2 a, Fig. 4 a and Fig. 5, a kind of base station antenna radiation disclosed in the utility model embodiment
Unit, including oscillator radiant body 1, radiation supporter 2 and reflecting plate 3, oscillator radiant body 1 are located at one end of radiation supporter 2, spoke
Penetrate another termination reflection plate 3 of supporter 2.
Oscillator radiant body 1 is overall in there is certain thickness rectangular slab, is circumferentially uniformly distributed along its axle center on its upper surface
There are four oscillator arms 4, two relative oscillator arms 4 constitute a dipole, and two dipoles are mutually orthogonal, form dual polarization and shake
Son.
With reference to shown in Fig. 1 b, Fig. 2 a, Fig. 2 b and Fig. 4 b, on the lower surface of oscillator radiant body 1, that is, supported near radiation
On that end face of body 2, four lines 5 that are of coupled connections, i.e. oscillator arms 4 are distributed with and the line 5 that is of coupled connections is radiated positioned at oscillator respectively
In the both ends of the surface opposing upper and lower of body 1.Four same axle center along oscillator radiant body 1 of line 5 that are of coupled connections circumferentially are uniformly distributed.Every
The line 5 that is of coupled connections connects two adjacent oscillator arms 4, i.e., four lines 5 that are of coupled connections couple four oscillator arms 4 of two polarization
Connection.
Be of coupled connections line 5 width can be it is impartial, as shown in Figure 1 b, or gradual change, be it is unequal,
As shown in Figure 2 a, such as the width of the width more than the connecting portion on both sides of middle interconnecting piece.
With reference to shown in Fig. 3, the every line 5 that is of coupled connections is in or is in approximately that drift angle is ringent triangle, but its shape is not
It is confined to this.For the ease of description, it is the first connecting portion 51, middle interconnecting piece of one to define every 5 points of the line that is of coupled connections
52 and second connecting portion 53, wherein, first connecting portion 51 and second connecting portion 53 are respectively attached in two neighboring oscillator arms 4,
I.e. first connecting portion 51 is connected with an oscillator arms, and second connecting portion 53 then connects another oscillator arms adjacent with the oscillator arms.In
Between connecting portion 52 connection first connecting portion 51 and second connecting portion 53, and it is attached on oscillator radiant body 1.
During specific implementation, oscillator radiant body 1 can be two-sided pcb board.As shown in Figure 1a, when oscillator radiant body 1 is double
During the pcb board in face, four oscillator arms 4 can be then directly printed on the wherein end face of the pcb board, and four are of coupled connections line 5 then
It is printed on the other end face of pcb board, the every line 5 that is of coupled connections is directly connected to two adjacent oscillator arms 4.This mode is fitted
Share pcb board printing vibrator.
Used as interchangeable implementation method, as shown in figures 4 a and 4b, oscillator arms 4 are sheet metal, and be of coupled connections line 5
It is metal wire, so, is separated with one first insulation medium board 6 between oscillator arms 4 and the line 5 that is of coupled connections.That is oscillator radiant body 1
May include four oscillator arms of metal material 4, the first insulation medium board 6 and four lines 5 that are of coupled connections of metal material (such as copper cash
Deng), oscillator arms 4 and the line 5 that is of coupled connections are located on the two relative end faces up and down of the first insulation medium board 6 respectively.This mode
It is adapted to use intermetallic composite coating oscillator.Preferably, oscillator arms 4 and the line 5 that is of coupled connections are solid by the first insulating fixing structure (not shown)
Dingan County is attached on the first insulation medium board 6, and its first insulating fixing structure can select but be not limited to use plastic cement riveting, plastic card
Hook fixed, solid or liquid glue fix, the one kind in plastic cement screw threads for fastening structure.
Radiation supporter 2 includes two mutually orthogonal feed Baluns 21 and balun fixed plate 22, one end of feed Balun 21
Oscillator radiant body 1 is passed, by the perforation (i.e. power feed hole) on oscillator radiant body 1 on the oscillator radiating surface where oscillator arms 4
Feed.
Balun fixed plate 22 is located at the other end of the feed Balun 21 away from oscillator radiant body 1, for by assembly of radiating elements
Onto reflecting plate 3.
The bottom of feed Balun 21 passes reflecting plate 3 and is disconnected with the direct current of reflecting plate 3.Specifically, with reference to Fig. 2 a, figure
Shown in 6b and Fig. 6 c, the bottom of feed Balun 21 is disconnected with reflecting plate 3 by direct current open circuit groove direct current, direct current open a way groove by first every
Disconnected hole 71 and closing surface 72 are constituted, and the first cut-off hole 71 is opened on reflecting plate 3, and closing surface 72 is the bottom of balun fixed plate 22
Portion end surface and it is located at the inner side of the first cut-off hole 71.Lower mask body introduces two kinds of implementation structures of direct current open circuit groove.
When pcb board of the balun fixed plate 22 for one side, i.e., when the bottom of balun fixed plate is pcb board, such as Fig. 2 a institutes
Show, closing surface 72 is the metallic region printed on pcb board, now, direct current open circuit groove is by the first cut-off hole 71 on reflecting plate
Constituted with the metallic region.Certainly, balun fixed plate 22 or two-sided pcb board.
As shown in figure 5, when balun fixed plate 22 is metallic plate, then balun fixed plate 22 also passes through one second dielectric
Plate 8 separates with reflecting plate 3.Now, closing surface 72 for the second insulation medium board 8 portion bottom surface, i.e., now direct current open circuit groove by
The portion bottom surface of the first cut-off insulation medium board 8 of hole 71 and second on reflecting plate 3 is constituted.Preferably, the He of balun fixed plate 22
Pass through the second insulating fixing structure (not shown) between second insulation medium board 8, between the second insulation medium board 8 and reflecting plate 3
Be fixedly connected, its second insulating fixing structure equally can select but be not limited to using plastic cement rivet, plastic cement snap fit fix, plastic cement spiral shell
One kind in line fastening structure.
Furthermore it is preferred that can be also further opened with closing surface 72 one or more nested with the first cut-off hole 71 the
Two cut-off hole (not shown), to form the direct current open circuit groove of multiple nestings, can the overall filter effect of enhanced rad unit.Work as
Balun fixed plate 22 be pcb board when, then the bottom of pcb board open up again one or more with first cut-off hole it is nested second every
Disconnected hole；When balun fixed plate 22 is metallic plate, then one or more are opened up again with first in the bottom of the second insulation medium board
The second nested cut-off hole of cut-off hole.
The shape in above-mentioned first, second cut-off hole can be corresponding with the shape of closing surface, during implementation, can be but not
Circular, square or oval one kind is limited to, is toroidal such as in the utility model embodiment.
In addition, with reference to shown in Fig. 6 a~Fig. 6 f, the radiating element disclosed in the utility model can be constituted linearly or nonlinearly
Array, many of low resonance can be constituted with one or more columns per page high-frequency/low-frequency radiating element by side by side (side by side) mode
Frequency multiple antennas boundary condition.Under multiple antennas integrated system, the introducing of the utility model oscillator (i.e. radiating element) can effectively drop
Low-and high-frequency resonance in low system, had both met insulation requests of the MIMO to multiaerial system, and height in multiaerial system is solved again
Influence of the resonance to aerial radiation index between low frequency radiation body.In addition, under the multifrequency multiple antennas boundary condition of the low resonance
Ultra-wideband multifrequency multi-port antenna system support LTE (Long Term Evolution, Long Term Evolution) technologies and AISG association
View.
Technology contents of the present utility model and technical characteristic are had revealed that as above, but those of ordinary skill in the art still may be used
A variety of replacements and modification without departing substantially from the utility model spirit can be made based on teaching of the present utility model and announcement, therefore, this
Utility model protection scope should be not limited to the content disclosed in embodiment, and should include various without departing substantially from replacement of the present utility model
And modification, and covered by present patent application claim.
Claims (14)
1. a kind of base station antenna radiation unit, it is characterised in that it includes oscillator radiant body, radiation supporter and reflecting plate, institute
State oscillator radiant body and be located at one end of radiation supporter, and multiple oscillator arms, phase are circumferentially distributed with the end face of oscillator radiant body
It is of coupled connections by the line that is of coupled connections between adjacent two oscillator arms, another termination reflecting plate of the radiation supporter
And its bottom disconnects with the reflecting plate direct current.
2. base station antenna radiation unit according to claim 1, it is characterised in that the line that is of coupled connections connects including first
Socket part, middle interconnecting piece and second connecting portion, the first connecting portion and second connecting portion are respectively attached to two neighboring oscillator
On arm, the middle interconnecting piece connects the first and second connecting portions, and it is attached on the oscillator radiant body.
3. base station antenna radiation unit according to claim 1, it is characterised in that line and the oscillator arms point of being of coupled connections
It is not distributed in the relative both ends of the surface of the oscillator radiant body.
4. base station antenna radiation unit according to claim 1, it is characterised in that the oscillator radiant body is two-sided
Pcb board.
5. base station antenna radiation unit according to claim 4, it is characterised in that line and the oscillator arms point of being of coupled connections
It is not printed in the relative both ends of the surface of the pcb board.
6. base station antenna radiation unit according to claim 1, it is characterised in that the oscillator arms are metallic plate, coupling
Connecting line is metal conduction band.
7. base station antenna radiation unit according to claim 6, it is characterised in that the oscillator radiant body is the first insulation
Dielectric-slab, first insulation medium board is located at oscillator arms and is of coupled connections between line.
8. base station antenna radiation unit according to claim 1, it is characterised in that the bottom of the radiation supporter with it is anti-
Plate is penetrated to be disconnected by direct current open circuit groove direct current.
9. base station antenna radiation unit according to claim 8, it is characterised in that the radiation supporter includes two phases
Orthogonal feed Balun and balun fixed plate, the balun fixed plate is located at the one end of feed Balun away from oscillator radiant body.
10. base station antenna radiation unit according to claim 9, it is characterised in that the direct current opens a way groove by reflecting plate
On the first cut-off hole and closing surface constitute, the closing surface is located at the described first cut-off hole inner side, and is balun fixed plate bottom
The portion end surface in portion.
11. base station antenna radiation units according to claim 10, it is characterised in that the balun fixed plate for two-sided or
One side pcb board, the closing surface is the metallic region printed on pcb board.
12. base station antenna radiation units according to claim 10, it is characterised in that the balun fixed plate is metal
Plate, is separated between the balun fixed plate and reflecting plate by the second insulation medium board, and the closing surface is the second dielectric
The portion end surface of plate bottom.
13. base station antenna radiation unit according to claim 10~12 any one, it is characterised in that the closing surface
On be further opened with described first cut-off hole it is nested second separate hole.
14. a kind of antenna for base station, it is characterised in that the antenna for base station includes the base described in claim 1~13 any one
Station antenna radiating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382671.XU CN206259489U (en) | 2016-12-16 | 2016-12-16 | Base station antenna radiation unit and antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621382671.XU CN206259489U (en) | 2016-12-16 | 2016-12-16 | Base station antenna radiation unit and antenna for base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206259489U true CN206259489U (en) | 2017-06-16 |
Family
ID=59028562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621382671.XU Active CN206259489U (en) | 2016-12-16 | 2016-12-16 | Base station antenna radiation unit and antenna for base station |
Country Status (1)
| Country | Link |
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| CN (1) | CN206259489U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107931A1 (en) * | 2016-12-16 | 2018-06-21 | 罗森伯格技术（昆山）有限公司 | Antenna radiating unit utilized in base station, and base station antenna |
| CN111969297A (en) * | 2019-05-20 | 2020-11-20 | 康普技术有限责任公司 | Broadband radiating element comprising a parasitic element and associated base station antenna |
| US11489251B2 (en) | 2020-07-28 | 2022-11-01 | Kunshan Luxshare Rf Technology Co., Ltd. | High-frequency oscillator assembly and base station antenna |
-
2016
- 2016-12-16 CN CN201621382671.XU patent/CN206259489U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018107931A1 (en) * | 2016-12-16 | 2018-06-21 | 罗森伯格技术（昆山）有限公司 | Antenna radiating unit utilized in base station, and base station antenna |
| CN108206327A (en) * | 2016-12-16 | 2018-06-26 | 罗森伯格技术（昆山）有限公司 | Base station antenna radiation unit and antenna for base station |
| CN111969297A (en) * | 2019-05-20 | 2020-11-20 | 康普技术有限责任公司 | Broadband radiating element comprising a parasitic element and associated base station antenna |
| US11271305B2 (en) | 2019-05-20 | 2022-03-08 | Commscope Technologies Llc | Wideband radiating elements including parasitic elements and related base station antennas |
| US11489251B2 (en) | 2020-07-28 | 2022-11-01 | Kunshan Luxshare Rf Technology Co., Ltd. | High-frequency oscillator assembly and base station antenna |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Kunshan Dianshan Lake Town City Suzhou city Jiangsu province 215345 Shen road, No. 6 Patentee after: Rosenberg Technology Co.,Ltd. Address before: Kunshan Dianshan Lake Town City Suzhou city Jiangsu province 215345 Shen road, No. 6 Patentee before: ROSENBERGER TECHNOLOGY ( KUNSHAN) Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: ProLogis Communication Technology (Suzhou) Co.,Ltd. Address before: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: Rosenberg Technology Co.,Ltd. |