CN207250704U - A kind of ultra-wideband dual-polarized antenna oscillator of corner end loading - Google Patents
A kind of ultra-wideband dual-polarized antenna oscillator of corner end loading Download PDFInfo
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- CN207250704U CN207250704U CN201721298609.7U CN201721298609U CN207250704U CN 207250704 U CN207250704 U CN 207250704U CN 201721298609 U CN201721298609 U CN 201721298609U CN 207250704 U CN207250704 U CN 207250704U
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- balun
- polarized antenna
- radiation fin
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Abstract
The utility model discloses a kind of ultra-wideband dual-polarized antenna oscillator of corner end loading, four oscillator radiation fins of its vibrator radiating unit carry out hollow out design according to the characteristic of high band, and around the coplanar symmetry arrangement of central shaft of the vibrator body；The end of every oscillator radiation fin loads at least one flow deflector over the ground of protrusion.The antenna oscillator can be operated in the ultra-wideband scope of the high band of 1650 2750MHz, and VSWR≤1.4, realize 65 degree of antenna arrays of horizontal plane 3dB width.
Description
Technical field
It the utility model is related to moving communicating field, more particularly to a kind of ultra wideband dual polarization antenna of corner end loading
Oscillator.
Background technology
TDD-LTE is the Long Term Evolution of communication, is global standards, is a kind of trend that Communication Development is evolved, it, which is improved, increases
The strong aerial access technology of information, has high data transmission rate, packet transmission, a low latency, and covering is extensively and backward compatible etc. excellent
Point, but since existing TDD-LTE antenna oscillators are mostly arrowband bandwidth（1700-2500MHz）, this arrowband bandwidth is difficult to meet
Instantly the establishment of communication base station and signal cover and cost is high, and therefore, the dual polarized antenna of TDD-LTE ultra-wideband is opened
Hair is the emphasis of current antenna research and development, and the elementary cell TDD-LTE ultra-wideband dual polarizations as composition TDD-LTE antenna arrays are shaken
The exploitation and optimization of son are even more the most important thing.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, it is bipolar that the utility model provides a kind of ultra wide band of corner end loading
Change antenna oscillator, the ultra-wideband scope of the high band of 1650-2750MHz can be operated in, VSWR≤1.4, realize horizontal plane 3dB
65 degree of antenna arrays of width.
Technical problem to be solved in the utility model is achieved by the following technical programs：
A kind of ultra-wideband dual-polarized antenna oscillator of corner end loading, including reflecting plate and integrally formed oscillator master
Body, the vibrator body include vibrator radiating unit and balun stent, and the balun stent supports the vibrator radiating unit；Institute
Stating vibrator radiating unit includes four oscillator radiation fins, adjacent around the coplanar symmetry arrangement of central shaft of the vibrator body
Gap is left between oscillator radiation fin, every oscillator radiation fin is respectively provided with pierced pattern and is in brilliant planar structure；Every is shaken
The pierced pattern of sub- radiation fin is made of two trapezoidal holes and multiple scallop holes, and multiple scallop holes are from the end of the oscillator radiation fin
Hold to the central shaft of the vibrator body and be distributed in from more to less in sector in brilliant planar structure, two trapezoidal holes are respectively more
The right and left of a scallop hole is from the end of the oscillator radiation fin to the descending gradual change of the central shaft of the vibrator body；Every
The end of oscillator radiation fin loads at least one flow deflector over the ground of protrusion.
Further, at least one an at least through hole is offered on flow deflector over the ground.
Further, the metal column for water conservancy diversion over the ground is at least installed in a through hole.
Further, the balun stent includes U-shaped balun and gradual change balun, and the U-shaped balun supports the oscillator spoke
Unit is penetrated, the gradual change balun is installed in the U-shaped balun.
Further, the afterbody of the gradual change balun is provided with two raised positioning columns, for positioning the reflecting plate.
Further, four oscillator radiation fins are biased around the central shaft of the vibrator body in 90 degree of isogonisms.
Further, opposite two panels oscillator radiation fin partners dipole, the two panels oscillator for the dipole that partners
Radiation fin is connected with feed tab, and the feed tab of two electrode couples is intersected in coplanar orthogonal.
Further, the side of the gradual change balun is provided with two U-type grooves；The radiating element is straight using coaxial cable
Feed is connect, the coaxial cable is placed along the U-type groove of the gradual change balun, and its cable core is welded in the feed tab,
Its outer conductor is welded in the U-type groove of the gradual change balun.
Further, two raised feeder pillars are provided with the top of the gradual change balun, two feeder pillars are located at respectively
The opposite of two U-type grooves；One end of every feed tab is both provided with power feed hole, and the other end is both provided with cable core string holes, every
Feed tab is connected by power feed hole with feeder pillar of the cable core string holes respectively with corresponding a pair of of dipole with cable core.
Further, the surface of the vibrator body is coated with antioxidant anticorrosive layer.
Further, the feed end of every vibrator radiating unit offers symmetrical two V-shaped grooves.
Further, the back side of every oscillator radiation fin is both provided with the Transformation Matching step of a gradual change.
The utility model has the advantages that：The antenna oscillator is operated in the high band range of 1650-2750MHz
Interior, VSWR≤1.4, are realized 65 degree of antenna arrays of horizontal plane 3dB width, are molded using die-casting process integration system, are had outer
The characteristics of shape is beautiful, small, and section is low, and structural behaviour is stablized and uniformity is good, meets the needs of current mobile communications development.
Brief description of the drawings
Fig. 1 is the front schematic view of antenna oscillator provided by the utility model；
Fig. 2 is the schematic rear view of antenna oscillator provided by the utility model.
Embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As illustrated in fig. 1 and 2, a kind of ultra-wideband dual-polarized antenna oscillator of corner end loading, including reflecting plate and one
Molding vibrator body, the vibrator body include vibrator radiating unit and balun stent 2, and the balun stent 2 supports described
Vibrator radiating unit；The vibrator radiating unit includes four oscillator radiation fins 11, and the central shaft around the vibrator body is total to
Face symmetry arrangement, leaves gap between adjacent oscillator radiation fin 11, every oscillator radiation fin 11 be respectively provided with pierced pattern 10 and
In brilliant planar structure；The pierced pattern 10 of every oscillator radiation fin 11 is made of two trapezoidal holes and multiple scallop holes, more
Central shaft of a scallop hole from the end of the oscillator radiation fin 11 to the vibrator body is distributed in diamond in sector from more to less
In type planar structure, two trapezoidal holes respectively multiple scallop holes the right and left from the end of the oscillator radiation fin 11 to this
The descending gradual change of central shaft of vibrator body；The end of every oscillator radiation fin 11 loads at least one water conservancy diversion over the ground of protrusion
Piece 111.
The oscillator radiation fin 11 of the antenna oscillator carries out hollow out design according to the characteristic of high band, in the oscillator radiation fin
The pierced pattern 10 being made of two trapezoidal holes and multiple scallop holes is formed on 11, makes high end frequency electric current traveling distance shorter,
Low frequency end frequency current is set to be continued on along the edge of trapezoidal hole and scallop hole, until positive half way amplitude is completed in corner end,
To produce the high frequency band signal of 1700-2700MHz；Using loading protrusion, flow deflector 111 designs over the ground for corner end, shakes described
The edge that the reflected current of all radiating surfaces of sub- radiating element focuses on corner end carries out disturbance decay, for relative wavelength
For longer low frequency end frequency, the electric current that low frequency end frequency can not completely consume can be extended to corner end, equivalent to
The relative wavelength of low frequency end frequency is extended, the bandwidth of high frequency band signal can be further widened to 1650-2750MHz, and is protected
VSWR≤1.4 have been held, have realized 65 degree of antenna arrays of horizontal plane 3dB width；Whole oscillator is made using die-casting process integration system
The solid symmetrical air strip lines configuration of type, has good appearance, small, and section is low, and structural behaviour is stablized and uniformity is good
The characteristics of, meet the needs that current mobile communications develop.
When specifically used, an at least through hole can be offered on flow deflector 111 over the ground at least one according to the actual requirements
112, and be at least provided with the metal column for water conservancy diversion over the ground in a through hole 112, length, size be not between different metal columns
One.
Antenna oscillator for that need not install metal column, can not open up the through hole on the flow deflector over the ground 111
112, still, molded in order to facilitate producer, it is preferable that it is unified on the flow deflector over the ground 111 to reserve the through hole 112,
Metal column can be optionally installed in the through hole 112 according to different antenna requirements.
In the present embodiment, a through hole 112 is each both provided with flow deflector 111 over the ground.
The balun stent 2 includes U-shaped balun 21 and gradual change balun 22, and the U-shaped balun 21 supports the oscillator to radiate
Unit, the gradual change balun 22 are installed in the U-shaped balun 21；The afterbody of the gradual change balun 22 be provided with two it is raised
Positioning column 23, for positioning the reflecting plate.
The balun stent 2 being made of the U-shaped balun and the gradual change balun 22, be combined into synthetic wideband balun with
Realize the Broadband Matching of antenna element, realize the width of frequency bandwidth.The vibrator radiating unit and a variety of baluns are carried out
Combined integratedization, ultra-wideband design, make unit volume realize miniaturization, bandwidth, oscillator process integration so that this
Antenna element uniformity is greatly improved.
Four oscillator radiation fins 11 are biased around the central shaft of the vibrator body in 90 degree of isogonisms, are shaken with forming dual polarization
Two electrode couples of son, opposite two panels oscillator radiation fin 11 partner dipole, the two panels oscillator for the dipole that partners
Radiation fin 11 is connected with feed tab 4, and the feed tab 4 of two electrode couples is intersected in coplanar orthogonal.
The side of the gradual change balun 22 is provided with two U-type grooves；The radiating element is directly presented using coaxial cable 5
Electricity, the coaxial cable 5 is placed along the U-type groove of the gradual change balun 22, and its cable core is welded in the feed tab 4,
Its outer conductor is welded in the U-type groove of the gradual change balun 22.Using 5 direct feed of coaxial cable, make electric performance stablity reliable,
Uniformity is good.
The top of the gradual change balun 22 is provided with two raised feeder pillars, and two feeder pillars are U-shaped positioned at two respectively
The opposite of groove；One end of every feed tab 4 is both provided with power feed hole, and the other end is both provided with cable core string holes, every feed tab 4
Connected by power feed hole with feeder pillar of the cable core string holes respectively with corresponding a pair of of dipole with cable core.Using described
Feed tab 4 replaces feed line, reduces the contact between different metal, advantageously reduces the harmful effect of third order intermodulation.
The surface of the vibrator body is coated with antioxidant anticorrosive layer, can prevent its oxidation, corrode and cause under its performance
Drop so that performance is more reliable and more stable.
The feed end of every vibrator radiating unit offers symmetrical two V-shaped grooves 113, and it is single to consume the oscillator radiation
Unwanted currents on the radiating surface of member, make oscillator performance more stablize.
The back side of every oscillator radiation fin 11 is both provided with the Transformation Matching step 3 of a gradual change, makes the globality of oscillator
Can more it stablize.
Embodiment described above only expresses the embodiment of the utility model, its description is more specific and detailed, but simultaneously
Therefore the limitation to the utility model patent scope cannot be interpreted as, as long as using equivalent substitution or the form of equivalent transformation institute
The technical solution of acquisition, should all fall within the scope of protection of the utility model.
Claims (10)
- A kind of 1. ultra-wideband dual-polarized antenna oscillator of corner end loading, it is characterised in that：Including reflecting plate and it is integrally formed Vibrator body, the vibrator body includes vibrator radiating unit and balun stent, and the balun stent supports the oscillator spoke Penetrate unit；The vibrator radiating unit includes four oscillator radiation fins, around the coplanar symmetrical row of the central shaft of the vibrator body Cloth, leaves gap between adjacent oscillator radiation fin, every oscillator radiation fin is respectively provided with pierced pattern and is in brilliant planar junction Structure；The pierced pattern of every oscillator radiation fin is made of two trapezoidal holes and multiple scallop holes, and multiple scallop holes are from the oscillator The end of radiation fin is distributed in brilliant planar structure in sector from more to less to the central shaft of the vibrator body, and two trapezoidal Hole respectively multiple scallop holes central shaft of the right and left from the end of the oscillator radiation fin to the vibrator body by greatly to Small gradual change；The end of every oscillator radiation fin loads at least one flow deflector over the ground of protrusion.
- 2. the ultra-wideband dual-polarized antenna oscillator of corner end loading according to claim 1, it is characterised in that：At least one An at least through hole is offered on flow deflector over the ground.
- 3. the ultra-wideband dual-polarized antenna oscillator of corner end loading according to claim 2, it is characterised in that：At least one Metal column for water conservancy diversion over the ground is installed in through hole.
- 4. the ultra-wideband dual-polarized antenna oscillator of corner end loading according to claim 1, it is characterised in that：Described bar Human relations stent includes U-shaped balun and gradual change balun, and the U-shaped balun supports the vibrator radiating unit, the gradual change balun installation In in the U-shaped balun.
- 5. according to the ultra-wideband dual-polarized antenna oscillator that any corner end loads in claim 1-4, its feature exists In：Four oscillator radiation fins are biased around the central shaft of the vibrator body in 90 degree of isogonisms.
- 6. the ultra-wideband dual-polarized antenna oscillator of corner end loading according to claim 5, it is characterised in that：Opposite Two panels oscillator radiation fin partners dipole, and the two panels oscillator radiation fin for the dipole that partners is connected with feed tab, two pairs The feed tab of dipole is intersected in coplanar orthogonal.
- 7. the ultra-wideband dual-polarized antenna oscillator of corner end loading according to claim 6, it is characterised in that：It is described gradually The side for becoming balun is provided with two U-type grooves；The radiating element uses coaxial cable direct feed, and the coaxial cable is along institute The U-type groove for stating gradual change balun is placed, and its cable core is welded in the feed tab, its outer conductor is welded on the gradual change bar In the U-type groove of human relations.
- 8. the ultra-wideband dual-polarized antenna oscillator of corner end loading according to claim 7, it is characterised in that：It is described gradually Become at the top of balun and be provided with two raised feeder pillars, two feeder pillars are respectively positioned at the opposite of two U-type grooves；Every feed One end of piece is both provided with power feed hole, and the other end is both provided with cable core string holes, and every feed tab passes through power feed hole and cable core Feeder pillar of the string holes respectively with corresponding a pair of of dipole is connected with cable core.
- 9. the ultra-wideband dual-polarized antenna oscillator of corner end loading according to claim 1, it is characterised in that：Every is shaken The feed end of sub- radiating element offers symmetrical two V-shaped grooves.
- 10. the ultra-wideband dual-polarized antenna oscillator of corner end loading according to claim 1, it is characterised in that：Every The back side of oscillator radiation fin is both provided with the Transformation Matching step of a gradual change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721298609.7U CN207250704U (en) | 2017-10-10 | 2017-10-10 | A kind of ultra-wideband dual-polarized antenna oscillator of corner end loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721298609.7U CN207250704U (en) | 2017-10-10 | 2017-10-10 | A kind of ultra-wideband dual-polarized antenna oscillator of corner end loading |
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| Publication Number | Publication Date |
|---|---|
| CN207250704U true CN207250704U (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721298609.7U Active CN207250704U (en) | 2017-10-10 | 2017-10-10 | A kind of ultra-wideband dual-polarized antenna oscillator of corner end loading |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148827A (en) * | 2019-05-30 | 2019-08-20 | 中天宽带技术有限公司 | A kind of high frequency radiating element and multifrequency antenna |
| CN110661076A (en) * | 2019-08-22 | 2020-01-07 | 中国通信建设集团设计院有限公司 | Dual-polarized radiation unit and antenna for 5G communication |
-
2017
- 2017-10-10 CN CN201721298609.7U patent/CN207250704U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148827A (en) * | 2019-05-30 | 2019-08-20 | 中天宽带技术有限公司 | A kind of high frequency radiating element and multifrequency antenna |
| CN110661076A (en) * | 2019-08-22 | 2020-01-07 | 中国通信建设集团设计院有限公司 | Dual-polarized radiation unit and antenna for 5G communication |
| CN110661076B (en) * | 2019-08-22 | 2021-04-20 | 中国通信建设集团设计院有限公司 | Dual-polarized radiation unit and antenna for 5G communication |
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