CN209658400U - Broadband radiating unit and antenna for base station - Google Patents
Broadband radiating unit and antenna for base station Download PDFInfo
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- CN209658400U CN209658400U CN201920522528.3U CN201920522528U CN209658400U CN 209658400 U CN209658400 U CN 209658400U CN 201920522528 U CN201920522528 U CN 201920522528U CN 209658400 U CN209658400 U CN 209658400U
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- minor matters
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- radiating unit
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Abstract
The utility model relates to portable antenna technical field, a kind of broadband radiating unit and antenna for base station are provided.Wherein broadband radiating unit includes two electrode couples, four groups of balun pedestals, two pairs of dipoles are orthogonal to be arranged and is connected respectively by balun described in one group with the pedestal, each dipole includes the first radiation arm, the second radiation arm, the first minor matters and the second minor matters, the one end of first radiation arm far from the balun is connected with the first minor matters, the one end of second radiation arm far from the balun is adjacent with second minor matters, and first minor matters and the second minor matters antarafacial are arranged.Broadband radiating unit provided by the utility model, first radiation arm and the second radiation arm are connected by one group of balun with pedestal, the first minor matters and the second minor matters are respectively set far from one end of balun arm in two radiation arms, two minor matters are arranged in antarafacial, structure is simple, facilitates adjusting frequency bandwidth by two minor matters that antarafacial is arranged.
Description
Technical field
The utility model relates to portable antenna technical field more particularly to a kind of broadband radiating units and antenna for base station.
Background technique
With the rapid development of mobile communication technology, requirement of the mobile communication system to antenna frequency band is more and more wider, to day
The manufacturing process of line also requires higher and higher, present antenna to mostly use integrated die cast, small in size, light-weight frequency
With wider, structure is simple, product low cost is easily fabricated and produces in enormous quantities.In addition, to antenna intermodulation index and intermodulation index
Stability requirement it is also higher and higher, it is desirable that antenna simultaneously intermodulation it is low to the interference level of frequency range locating for current antenna, can bear
The influence of the extraneous factors such as vibration, transport, and component one of of the radiating element as generation intermodulation product, to the mutual of antenna for base station
It adjusts and its stability has an important influence.
Utility model content
One of the purpose of this utility model is to provide a kind of broadband radiating unit, to solve existing radiating element frequency band
It is narrow and the problem of structure is complicated.
The two of the purpose of this utility model are to provide a kind of antenna for base station using above-mentioned broadband radiating unit.
One of in order to solve the above-mentioned technical problem, the utility model provides a kind of broadband radiating unit, including two electrode couples
Son, four groups of balun pedestals, two pairs of dipoles are orthogonal to be arranged and is connected respectively by balun described in one group with the pedestal,
Each dipole includes the first radiation arm, the second radiation arm, the first minor matters and the second minor matters, and first radiation arm is separate
One end of the balun is connected with the first minor matters, the one end of second radiation arm far from the balun and the second minor matters phase
Neighbour, first minor matters and the second minor matters antarafacial are arranged.
Wherein, in two dipoles being oppositely arranged, the line of two first minor matters and two described second
The line of minor matters is orthogonal；The broadband radiating unit further includes four groups of dipole minor matters, wherein dipole minor matters described in two groups point
Not Bao Kuo two the first minor matters, in addition dipole minor matters described in two groups respectively include two the second minor matters.
Wherein, the broadband radiating unit is in back taper, wherein the pedestal is rounded, the spoke of two pairs of dipoles
Upper-arm circumference is penetrated into annular shape, the balun arm of balun described in four groups is inclined outwardly setting both with respect to the pedestal.
Wherein, further include feeding network, the feeding network respectively with the dipole and the balun connection.
Wherein, the feeding network includes coaxial cable, and each balun arm is equipped with wire casing, the coaxial cable paving
In the wire casing, wherein the shielded layer outer conductor of the coaxial cable is fixedly connected with the top of the balun arm, described
The core wire of coaxial cable is connected with the dipole being oppositely arranged.
Wherein, the coaxial cable forms four feeding points, and four feeding point omnidirectional distributions, two of them are opposite to be set
The feeding point set is for radiating+45 ° of polarized waves, other two described feeding point being oppositely arranged is for radiating -45 ° of polarization
Wave.
Wherein, the balun arm is equipped with hollow hole, and the back side of the hollow hole is equipped with through-hole.
It wherein, further include reflecting plate, the pedestal is fixedly connected with the reflecting plate by the resistance to glue screw that falls.
Wherein, the sum of length of first radiation arm and second radiation arm is four points of center of antenna frequency wavelength
One of.
In order to solve the above-mentioned technical problem two, the utility model provides a kind of antenna for base station, which is characterized in that the base
Station antenna includes broadband radiating unit as described above.
Broadband radiating unit provided by the utility model, the first radiation arm and the second radiation arm pass through one group of balun and pedestal
It is connected, the first minor matters and the second minor matters is respectively set far from one end of balun arm in two radiation arms, two minor matters are set in antarafacial
It sets, structure is simple, facilitates adjusting frequency bandwidth by two minor matters that antarafacial is arranged.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the perspective view of the utility model embodiment broadband radiating unit；
Fig. 2 is the side view of broadband radiating unit shown in FIG. 1；
Fig. 3 is another side view of broadband radiating unit shown in FIG. 1；
Fig. 4 is the top view of broadband radiating unit shown in FIG. 1.
In figure: 10, dipole；11, the first radiation arm；12, the second radiation arm；13, the first minor matters；14, the second minor matters；
20, balun；21, wire casing；30, pedestal；31, screw hole；40, coaxial cable；41, shielded layer outer conductor；42, core wire；43, it feeds
Point；50, reflecting plate；60, resistance to fall glue screw.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Broadband radiating unit in the utility model embodiment, as shown in Figure 1, including two electrode couple, 10, four groups of baluns
20 and pedestal 30, the orthogonal setting of two electrode couples 10 is simultaneously connected by one group of balun 20 with pedestal 30 respectively, each dipole 10
Including the first radiation arm 11, the second radiation arm 12, the first minor matters 13 and the second minor matters 14, the first radiation arm 11 is far from balun 20
One end is connected with the first minor matters 13, and the one end of the second radiation arm 12 far from balun 20 is adjacent with the second minor matters 14, the first minor matters 13
It is arranged with 14 antarafacial of the second minor matters.
Broadband radiating unit provided by the embodiment of the utility model, dipole 10, the first radiation arm 11 pass through one group of balun
Balun arm in 20 is connected with pedestal 30, and the second radiation arm 12 passes through another balun arm and 30 phase of pedestal in this group of balun 20
Even, the broadband radiating unit of formation is in symmetrical structure.Wherein at the first radiation arm 11 and the second radiation arm 12 of each dipole
In same plane, the first minor matters 13 and the second minor matters 14 are respectively set far from one end of balun arm in the two, two minor matters are in different
Face setting, i.e., what is formed between the extending direction of the first minor matters 13 and the extending direction of the second minor matters 14 is less than or equal to greater than 0 °
90 ° of angle, the antarafacial setting adjustment radiating element that the broadband radiating unit in the utility model embodiment passes through two minor matters
Bandwidth.
Specifically, in two dipoles 10 being oppositely arranged, the line and two the second minor matters 14 of two the first minor matters 13
Line it is orthogonal；Two electrode couples 10 forms four groups of dipole minor matters, wherein two groups of dipole minor matters respectively include two first
Minor matters 13, in addition two groups of dipole minor matters respectively include two the second minor matters 14.Since the first minor matters 13 and the second minor matters 14 are different
Face setting, so that two adjacent groups dipole minor matters are located in different planes.
Specifically, the broadband radiating unit in the utility model embodiment uses inverted conical shape, wherein pedestal 30 is in circle
Shape, the radiation arm of two electrode couple 10 surround circle, and the balun arm of four groups of baluns 20 is inclined outwardly setting both with respect to pedestal 10.
Wherein, dipole 10 surrounds annular shape, and pedestal 30 is circle, and compared to square structure, symmetry is more preferable, to help to widen
Bandwidth improves radiation feature.
In addition to this, as shown in Figures 2 and 3, the broadband radiating unit in the utility model embodiment further includes transmission network
Network, feeding network are connect with dipole 10 and balun 20 respectively.Specifically, feeding network includes coaxial cable 40, such as Fig. 4 institute
Show, each balun arm is equipped with wire casing 21, and coaxial cable 40 is layed in wire casing 21, wherein outside the shielded layer of coaxial cable 40
Conductor 41 and the top of balun arm are welded and fixed, and the core wire 42 of coaxial cable 40 is connected with the dipole 10 being oppositely arranged.
Specifically, coaxial cable 40 is respectively installed, four coaxial cables 40 form four feeding points in four groups of baluns 20
43, four 43 omnidirectional distributions of feeding point, the feeding point 43 that two of them are oppositely arranged is used to radiate+45 ° of polarized waves, other two
The feeding point 43 being oppositely arranged is for radiating -45 ° of polarized waves, to form the dual polarization wave of four-point feed.Coaxial cable 40 is used
In the input and radiant output of realizing low frequency signal.In addition, being additionally provided with hollow hole on balun arm, it is equipped at the back side of hollow hole logical
Hole, coaxial cable 40 accommodate in through-holes, and stretch out from hollow hole.
In addition to this, the broadband radiating unit in the utility model embodiment further includes reflecting plate 50, pedestal 30 and reflection
Plate 50 is fixedly connected by the resistance to glue screw 60 that falls.Specifically, four screw holes 31, four groups of baluns 20 are symmetrically arranged on pedestal 30
It is separated by four screw holes, reflecting plate 50 is securedly mounted to together by the resistance to glue screw 60 that falls.The bottom of four groups of baluns 20 point
It is not connected with reflecting plate 50.
Preferably, the first radiation arm 11 and the second radiation arm 12 are in arc-shaped.First radiation arm 11 and the second radiation arm
The sum of 12 length is a quarter of center of antenna frequency wavelength.
In addition to this, the utility model additionally provides a kind of antenna for base station, which includes multiple above-mentioned wideband spokes
Penetrate unit.
The apparatus embodiments described above are merely exemplary, wherein described, unit can as illustrated by the separation member
It is physically separated with being or may not be, component shown as a unit may or may not be physics list
Member, it can it is in one place, or may be distributed over multiple network units.It can be selected according to the actual needs
In some or all of the modules achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creativeness
Labour in the case where, it can understand and implement.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of broadband radiating unit, including two electrode couples, four groups of balun pedestals, two pairs of dipoles are orthogonal to be arranged simultaneously
It is connected respectively by balun described in one group with the pedestal, which is characterized in that each dipole includes the first radiation arm, the
Two radiation arms, the first minor matters and the second minor matters, the one end of first radiation arm far from the balun are connected with the first minor matters, institute
It is adjacent with second minor matters to state the one end of the second radiation arm far from the balun, first minor matters and second minor matters are different
Face setting.
2. broadband radiating unit according to claim 1, which is characterized in that in two dipoles being oppositely arranged,
The line of two first minor matters is orthogonal with the line of two second minor matters；The broadband radiating unit further includes four groups
Dipole minor matters, wherein dipole minor matters described in two groups respectively include two first minor matters, other dipole described in two groups
Minor matters respectively include two second minor matters.
3. broadband radiating unit according to claim 1 or 2, which is characterized in that the broadband radiating unit is in back taper,
Wherein, the pedestal is rounded, and the radiation arm of two pairs of dipoles surrounds annular shape, and the balun arm of balun described in four groups is homogeneous
Setting is inclined outwardly for the pedestal.
4. broadband radiating unit according to claim 1, which is characterized in that it further include feeding network, the feeding network
Respectively with the dipole and the balun connection.
5. broadband radiating unit according to claim 4, which is characterized in that the feeding network includes coaxial cable, often
The balun arm of one balun is equipped with wire casing, and the coaxial cable is layed in the wire casing, wherein the coaxial cable
Shielded layer outer conductor is fixedly connected with the top of the balun arm, the core wire of the coaxial cable and the dipole being oppositely arranged
Son is connected.
6. broadband radiating unit according to claim 5, which is characterized in that the coaxial cable forms four feeding points,
Four feeding point omnidirectional distributions, the feeding point that two of them are oppositely arranged is for radiating+45 ° of polarized waves, and in addition two
A feeding point being oppositely arranged is for radiating -45 ° of polarized waves.
7. broadband radiating unit according to claim 5, which is characterized in that the balun arm is equipped with hollow hole, described
The back side of hollow hole is equipped with through-hole.
8. broadband radiating unit according to claim 1, which is characterized in that further include reflecting plate, the pedestal with it is described
Reflecting plate is fixedly connected by the resistance to glue screw that falls.
9. broadband radiating unit according to claim 1, which is characterized in that first radiation arm and second radiation
The sum of length of arm is a quarter of center of antenna frequency wavelength.
10. a kind of antenna for base station, which is characterized in that the antenna for base station includes such as the described in any item wideband radiation of right 1-9
Unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920522528.3U CN209658400U (en) | 2019-04-17 | 2019-04-17 | Broadband radiating unit and antenna for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920522528.3U CN209658400U (en) | 2019-04-17 | 2019-04-17 | Broadband radiating unit and antenna for base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209658400U true CN209658400U (en) | 2019-11-19 |
Family
ID=68529465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920522528.3U Active CN209658400U (en) | 2019-04-17 | 2019-04-17 | Broadband radiating unit and antenna for base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209658400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284703A (en) * | 2021-12-28 | 2022-04-05 | 广东博纬通信科技有限公司 | Multi-branch ultra-wideband radiation unit and antenna |
-
2019
- 2019-04-17 CN CN201920522528.3U patent/CN209658400U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284703A (en) * | 2021-12-28 | 2022-04-05 | 广东博纬通信科技有限公司 | Multi-branch ultra-wideband radiation unit and antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 430205 Hubei city of Wuhan province Jiangxia Hidden Dragon Island Tan lake two Road No. 1 Patentee after: CITIC Mobile Communication Technology Co., Ltd Address before: 430073 Hubei province Wuhan Dongxin East Lake high tech Development Zone, Road No. 5 Patentee before: Wuhan Hongxin Telecommunication Technologies Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee after: CITIC Mobile Communication Technology Co.,Ltd. Address before: 430205 No.1 tanhu 2nd Road, Canglong Island, Jiangxia District, Wuhan City, Hubei Province Patentee before: CITIC Mobile Communication Technology Co., Ltd |