CN208723084U - Broadband dual-polarization antenna radiation unit - Google Patents
Broadband dual-polarization antenna radiation unit Download PDFInfo
- Publication number
- CN208723084U CN208723084U CN201821679219.9U CN201821679219U CN208723084U CN 208723084 U CN208723084 U CN 208723084U CN 201821679219 U CN201821679219 U CN 201821679219U CN 208723084 U CN208723084 U CN 208723084U
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- China
- Prior art keywords
- vertical part
- polarization antenna
- broadband dual
- balun
- radiation unit
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- 230000005855 radiation Effects 0.000 title claims abstract description 67
- 238000003466 welding Methods 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005388 cross polarization Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Abstract
The utility model relates to a kind of broadband dual-polarization antenna radiation unit, including integrally formed radiating element main body, the first feed tab and the second feed tab, radiating element main body includes cavity support balun and two pairs of symmetric radiation arms；Cavity supports balun tool, and there are four the through-holes for running through its blind end and open end, first feed tab includes the first transverse part and the first vertical part for being formed in the first transverse part both ends, second vertical part, second feed tab includes the second transverse part and the third vertical part for being formed in the second transverse part both ends, 4th vertical part, first vertical part, second vertical part is plugged in respectively in two through-holes corresponding with one pair of them symmetric radiation arm and the end of the first vertical part is stretched out from corresponding through-hole, third vertical part, 4th vertical part is plugged in respectively in two through-holes corresponding with another pair of symmetric radiation arm, and third vertical part is stretched out from corresponding through-hole.The utility model has good performance indexes.
Description
[technical field]
The utility model relates to antenna of mobile communication base station fields, radiate more particularly, to a kind of broadband dual polarized antenna single
Member.
[background technique]
Antenna for base station is the critical component of mobile communication system outdoor cover, all communication systems all be unable to do without antenna this
A important antenna-feeder system.With the development of the communications industry, it is desirable that the frequency band of antenna for base station is more and more wider, so as in multiple systems
It is used in combination, frequency range, performance indexes of existing dual polarization antenna radiation unit etc. have not adapted to these width
The requirement of frequency band, an urgent demand is very wide with a kind of frequency band, the good antenna radiation unit of performance indexes is previous to replace
Radiating element.
[utility model content]
The purpose of the utility model is to overcome the deficiency of above-mentioned technology, it is good to provide a kind of bandwidth, performance indexes
Good broadband dual-polarization antenna radiation unit.
A kind of broadband dual-polarization antenna radiation unit provided by the utility model, including integrally formed radiating element master
Body, the first feed tab and the second feed tab, the radiating element main body include that cavity supports balun and two pairs of symmetric radiation arms,
Closed at one end, another end opening of the cavity support balun, two pairs of symmetric radiation arms are connected to cavity support balun
Open end and orthogonal thereto setting have gap between two adjacent radiation arms；There are four run through the cavity support balun tool
The through-hole of its blind end and open end, corresponding two through-holes of each pair of symmetric radiation arm, first feed tab includes the first transverse part
And it is formed in first vertical part at the first transverse part both ends, the second vertical part, second feed tab includes the second transverse part and formation
Third vertical part, the 4th vertical part at the second transverse part both ends, first vertical part, the second vertical part are plugged in and one pair of them pair respectively
Claim in corresponding two through-holes of radiation arm and the end of the first vertical part is stretched out from corresponding through-hole, the third vertical part, the 4th
Vertical part is plugged in respectively in two through-holes corresponding with another pair of symmetric radiation arm, and third vertical part is stretched from corresponding through-hole
Out, first transverse part, the second transverse part it is orthogonal thereto setting and the two be not in contact with each other.
Further, first transverse part, the second transverse part are respectively provided with the recess being directed towards at its orthogonal place.
Further, the closed end of cavity support balun is in through-hole corresponding with first vertical part, third vertical part
Position at be respectively formed with connecting component, the end of the first vertical part, the end of third vertical part are located at corresponding interconnecting piece
In part.
Further, the end of the connecting component has the welding notch through connecting component side, and described first is perpendicular
The end in portion, the end of third vertical part are aligned with the bottom of the welding notch of corresponding connecting component respectively.
Further, each radiation arm has engraved structure.
Further, the length of first vertical part is greater than the length of the second vertical part, and the length of the third vertical part is greater than
The length of 4th vertical part.
Further, the length of second vertical part of the length of first vertical part equal to twice, the length of the third vertical part
The length of fourth vertical part of the degree equal to twice.
Further, the open end of the cavity support balun has opening in the position in the correspondence gap, described to open
Mouthful width be gradually increased along the direction of closed end to open end of cavity support balun, the maximum width of the opening with it is corresponding
Gap width it is equal；The depth of the opening is greater than the height of the half of cavity support balun.
Further, the cavity support balun is in a circular table shape, and cavity supports the outer diameter of the open end of balun to be greater than its envelope
The outer diameter of closed end；The position punishment of engraved structure of the outside of the open end of the cavity support balun in each radiation arm of correspondence
It She You not outwardly directed cylinder.
Further, each radiation arm is a square structure, and the two of them of the square structure are diagonally with two
The orthogonal center of symmetric radiation arm is located in the same vertical plane, and this two it is diagonal in, far from two pairs of symmetric radiation arms
The diagonal outside at orthogonal center is equipped with outwardly directed square column.
The broadband dual-polarization antenna radiation unit of the utility model, structure is simple, is readily produced and assembles, saves into
This, at the same have the characteristics that high-gain, high-isolation, wave it is wide convergence, in 25% frequency range its standing-wave ratio less than 1.5,
Performance is stablized.
[Detailed description of the invention]
Fig. 1 is that the broadband dual-polarization antenna radiation unit that an embodiment of the present invention provides is installed to the knot after reflecting plate
Structure schematic diagram；
Fig. 2 is the partial enlarged view at the top of broadband dual-polarization antenna radiation unit shown in Fig. 1；
Fig. 3 is the schematic side view that broadband dual-polarization antenna radiation unit shown in Fig. 1 is installed to after reflecting plate；
Fig. 4 is the structural schematic diagram after broadband dual-polarization antenna radiation unit shown in Fig. 1 is separated with reflecting plate；
Fig. 5 is structural schematic diagram of the broadband dual-polarization antenna radiation unit shown in Fig. 1 in its bottom installation feed cable；
Fig. 6 is the structural schematic diagram of the first feed tab of broadband dual-polarization antenna radiation unit shown in Fig. 1；
Fig. 7 is the structural schematic diagram of the second feed tab of broadband dual-polarization antenna radiation unit shown in Fig. 1；
[specific embodiment]
The utility model will be further described with reference to the accompanying drawings and examples.
Referring to figs. 1 to Fig. 5, a kind of broadband dual-polarization antenna radiation unit provided by the utility model, including integrally casting
Molding radiating element main body 10, the first feed tab 13 and the second feed tab 14.Radiating element main body 10 includes cavity support bar
Human relations 11 and two pairs of symmetric radiation arms 12.The integrated casting and forming of radiating element main body 10, simplifies assembly process, reduces into
This, improves productivity effect.
Specifically, closed at one end, another end opening of cavity support balun 11.The closed end of cavity support balun 11 is used for
It is installed to the front of reflecting plate 30.Specifically, as shown in figure 4, the middle part of the closed end of cavity support balun 11 has mounting hole
114, the front of reflecting plate 30 has reflecting plate mounting hole 33 corresponding with mounting hole 114, mounting hole 114 and reflecting plate mounting hole
Cavity support balun 11 is installed to the front of reflecting plate 30 by installation fastener 32 such as screw in 33, thus will radiation
Unit main body 10 is fixedly installed to reflecting plate 30.
Two pairs of symmetric radiation arms 12 are connected to the open end of cavity support balun 11 and orthogonal thereto setting, two pairs of symmetric radiations
Arm 12 respectively corresponds two polarization of radiating element ,+45 ° of polarization and -45 ° of polarization.Have between two adjacent radiation arms 12
Gap 15.
Each radiation arm 12 has engraved structure 121 (see Fig. 1).Engraved structure can further function as expansion operating frequency band
Wide, enhanced rad energy effect improves and ensure that the properties of radiating element to improve the gain of radiating element
Index, such as cross polarization discrimination, horizontal beam width, front and back ratio and isolation etc..
Each radiation arm 12 is a square structure, the two of them of square structure diagonally with two pairs of symmetric radiation arms 12
Orthogonal center is located in the same vertical plane, and this two it is diagonal in, pair at the orthogonal center far from two pairs of symmetric radiation arms 12
The outside at angle is equipped with outwardly directed square column 18.The square column 18 of setting equally plays the work for improving radiating element performance indexes
With.
Further, cavity support balun 11 is in a circular table shape, and cavity supports the outer diameter of the open end of balun 11 to be greater than its envelope
The outer diameter of closed end.Cavity supports the outside of the open end of balun 11 in the position of the engraved structure 121 of each radiation arm 12 of correspondence
Place is respectively equipped with outwardly directed cylinder 17.The cylinder 17 of setting equally plays the work for improving radiating element performance indexes
With.
Further, the open end of cavity support balun 11 the position in corresponding gap 15 have opening 115 (see Fig. 3 and
Fig. 4).The width of opening 115 is gradually increased along the direction of closed end to the open end of cavity support balun 11, is open 115 most
Big width is equal with the width in corresponding gap 15.The depth of opening 115 is greater than the height of the half of cavity support balun 11
Degree.The opening 115 of setting can guarantee the radiance of each radiation arm 12.
Specifically installation is as follows for first feed tab 13 and the second feed tab 14:
Cavity supports the tool of balun 11, and there are four the through-hole 111 for running through its blind end and open end, each pair of symmetric radiation arms 12
Corresponding two through-holes 111.
In conjunction with shown in Fig. 6 and Fig. 7, the first feed tab 13 is including the first transverse part 131 and is formed in 131 both ends of the first transverse part
The first vertical part 132, the second vertical part 133.Second feed tab 14 is including the second transverse part 141 and is formed in 141 liang of the second transverse part
Third vertical part 142, the 4th vertical part 143 at end.First vertical part 132, the second vertical part 133 are plugged in and the symmetrical spoke of one pair of them respectively
It penetrates in 12 corresponding two through-holes 11 of arm and the end of the first vertical part 132 is stretched out from corresponding through-hole 111.Third vertical part 142,
4th vertical part 143 is plugged in respectively in two through-holes 111 corresponding with another pair of symmetric radiation arm 12, and third vertical part 142
It is stretched out from corresponding through-hole 111.First transverse part 131, the orthogonal thereto setting of the second transverse part 141 and the two are not in contact with each other.
Cavity supports the closed end of balun 11 in the position of through-hole 111 corresponding with the first vertical part 132, third vertical part 142
Place is respectively formed with connecting component 112, and the end of the first vertical part 132, the end of third vertical part 142 are located at corresponding connection
In component 112.The end of connecting component 112 has the welding notch 113 through 112 side of connecting component, and welding notch 113 is used
It is welded in the outer conductor 51 of corresponding feed cable 50.The end of first vertical part 132, third vertical part 142 end respectively with
The bottom alignment of the welding notch 113 of corresponding connecting component 112, the end of the first vertical part 132, third vertical part 142 end
It is respectively used to weld with the inner core 52 of feed cable 50.
When the front that radiating element is specifically installed to reflecting plate 30 is to be assembled into antenna, such as Fig. 3, Fig. 4 and Fig. 5 institute
Show, connecting component 112 passes through the positive installation position 31 of reflecting plate 30 and is located at the back side of reflecting plate 30, by two feed cables 50
Outer conductor 51 be welded to the welding notch 113 of two connecting components 112, the inner core 52 of two feed cables 50 is distinguished
It is welded to the end of the end of the first vertical part 132 of the first feed tab 13, the third vertical part 142 of the second feed tab 14, thus logical
The realization of outer conductor 51 for crossing feed cable 50 is fed to each radiation arm 12.By above-mentioned structure, feed cable 50
The pad and the outer conductor 51 of feed cable 50 and the pad of connecting component 112 of inner core 52 and feed tab are in reflecting plate
30 back side is saved so that feed cable 50 does not have to excessive bending and can simplify assembly process when practical set is at antenna
Cost.Meanwhile the outer conductor 51 of feed cable 50 is welded to the welding notch 113 of corresponding connecting component 112, may make assembly
Radiation arm 12 afterwards is fed by the outer conductor 51 of feed cable 50, can avoid the outer conductor 51 because of feed cable 50 in
The balance problem that the field strength of core 52 is inconsistent and generates is also convenient for replacement feed tab, enables radiating element according in day
Demand under line different boundary replaces suitable feed tab, to optimize the performance of radiating element.
In the present embodiment, the length of the first vertical part 132 is greater than the length of the second vertical part 133, and the length of third vertical part 142 is big
Length in the 4th vertical part 143.Preferably, the length of second vertical part 133 of the length of the first vertical part 132 equal to twice, third
The length of fourth vertical part 143 of the length of vertical part 142 equal to twice.
In the present embodiment, the first transverse part 131, the second transverse part 141 are respectively provided with the recess 16 being directed towards at its orthogonal place
(see Fig. 6 and Fig. 7), so that the first transverse part 131 and the orthogonal thereto setting of the second transverse part 141 can but be not in contact with each other.
The broadband dual-polarization antenna radiation unit of the utility model, structure is simple, is readily produced and assembles, saves into
This, at the same have the characteristics that high-gain, high-isolation, wave it is wide convergence, in 25% frequency range its standing-wave ratio less than 1.5,
Performance is stablized.
Above embodiments only express preferred embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that for the ordinary skill of this field
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 are all within the protection scope of the present invention.
Claims (10)
1. a kind of broadband dual-polarization antenna radiation unit, it is characterised in that: including integrally formed radiating element main body, the first feedback
Electric piece and the second feed tab, the radiating element main body include cavity support balun and two pairs of symmetric radiation arms, the cavity
Closed at one end, another end opening of balun is supported, two pairs of symmetric radiation arms are connected to the open end of cavity support balun simultaneously
Orthogonal thereto setting has gap between two adjacent radiation arms；There are four run through its closed end for the cavity support balun tool
With the through-hole of open end, corresponding two through-holes of each pair of symmetric radiation arm, first feed tab includes the first transverse part and formation
The first vertical part, the second vertical part at the first transverse part both ends, second feed tab is including the second transverse part and is formed in the second cross
Third vertical part, the 4th vertical part at portion both ends, first vertical part, the second vertical part are plugged in and one pair of them symmetric radiation arm respectively
In the corresponding two through-holes and end of the first vertical part is stretched out from corresponding through-hole, the third vertical part, the 4th vertical part difference
It is plugged in two through-holes corresponding with another pair of symmetric radiation arm, and third vertical part is stretched out from corresponding through-hole, it is described
First transverse part, the second transverse part it is orthogonal thereto setting and the two be not in contact with each other.
2. broadband dual-polarization antenna radiation unit according to claim 1, it is characterised in that: first transverse part, second
Transverse part is respectively provided with the recess being directed towards at its orthogonal place.
3. broadband dual-polarization antenna radiation unit according to claim 1, it is characterised in that: the cavity support balun
Closed end is respectively formed with connecting component, the first vertical part at the position of through-hole corresponding with first vertical part, third vertical part
End, third vertical part end be located in corresponding connecting component.
4. broadband dual-polarization antenna radiation unit according to claim 3, it is characterised in that: the end of the connecting component
With the welding notch for running through connecting component side, the end of first vertical part, third vertical part end respectively with it is corresponding
The bottom alignment of the welding notch of connecting component.
5. broadband dual-polarization antenna radiation unit according to claim 1, it is characterised in that: each radiation arm has
Engraved structure.
6. broadband dual-polarization antenna radiation unit according to claim 1, it is characterised in that: the length of first vertical part
Greater than the length of the second vertical part, the length of the third vertical part is greater than the length of the 4th vertical part.
7. broadband dual-polarization antenna radiation unit according to claim 6, it is characterised in that: the length of first vertical part
The length of the second vertical part equal to twice, the length of fourth vertical part of the length equal to twice of the third vertical part.
8. broadband dual-polarization antenna radiation unit according to claim 1, it is characterised in that: the cavity support balun
Open end has opening in the position in the correspondence gap, and the width of the opening is along the closed end of cavity support balun to opening
The direction at end is gradually increased, and the maximum width of the opening is equal with the width in corresponding gap；The depth of the opening is greater than
The height of the half of the cavity support balun.
9. broadband dual-polarization antenna radiation unit according to claim 1, it is characterised in that: cavity support balun is in
Round table-like, cavity supports the outer diameter of the open end of balun greater than the outer diameter of its closed end；The open end of the cavity support balun
Outside be respectively equipped with outwardly directed cylinder at the position of the engraved structure of each radiation arm of correspondence.
10. broadband dual-polarization antenna radiation unit according to claim 1, it is characterised in that: each radiation arm is equal
For a square structure, the two of them of the square structure are diagonally located at the orthogonal center of two pairs of symmetric radiation arms same perpendicular
In facing directly, and this two it is diagonal in, the diagonal outside at the orthogonal center far from two pairs of symmetric radiation arms is equipped with outwardly directed
Square column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821679219.9U CN208723084U (en) | 2018-10-17 | 2018-10-17 | Broadband dual-polarization antenna radiation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821679219.9U CN208723084U (en) | 2018-10-17 | 2018-10-17 | Broadband dual-polarization antenna radiation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208723084U true CN208723084U (en) | 2019-04-09 |
Family
ID=65983266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821679219.9U Expired - Fee Related CN208723084U (en) | 2018-10-17 | 2018-10-17 | Broadband dual-polarization antenna radiation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208723084U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116979245A (en) * | 2023-08-04 | 2023-10-31 | 京信通信技术(广州)有限公司 | Radiating element, antenna and base station |
-
2018
- 2018-10-17 CN CN201821679219.9U patent/CN208723084U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116979245A (en) * | 2023-08-04 | 2023-10-31 | 京信通信技术(广州)有限公司 | Radiating element, antenna and base station |
| CN116979245B (en) * | 2023-08-04 | 2024-04-16 | 京信通信技术(广州)有限公司 | Radiating element, antenna and base station |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190409 |
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| CF01 | Termination of patent right due to non-payment of annual fee |