CN103779658B - Low section multiband dual polarized antenna - Google Patents
Low section multiband dual polarized antenna Download PDFInfo
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- CN103779658B CN103779658B CN201310595373.3A CN201310595373A CN103779658B CN 103779658 B CN103779658 B CN 103779658B CN 201310595373 A CN201310595373 A CN 201310595373A CN 103779658 B CN103779658 B CN 103779658B
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Abstract
The invention discloses a kind of low profile dual-polarized low frequency radiating element, including two groups of low frequency feed Balun, four low frequency radiation oscillator arms and dielectric-slabs, one end of two groups of low frequency feed Balun is installed vertically on a reflecting plate, the other end and four low frequency radiation oscillator arms connect, dielectric-slab is installed on reflecting plate and near low frequency radiation oscillator arms, and dielectric-slab is between reflecting plate and low frequency radiation oscillator arms.Compared with prior art, the invention enables the Distance Shortened between low frequency radiation oscillator arms and reflecting plate, i.e. reduce the height of radiating element, thus reduce the difficulty to total stability Design, and be easy to the client by there being domestic aerial demand and accept.The present invention discloses a kind of low section multiband dual-polarized antenna array, antenna assembly and antenna.
Description
Technical field
The present invention relates to mobile communication antenna technical field, relate more specifically to a kind of low profile dual-polarized low frequency
Radiating element, aerial array, antenna assembly and antenna.
Background technology
Existing antenna for base station, mostly uses half-wave when realizing the dual-polarization scheme of 698 960MHz frequency ranges
Oscillator, or the opposed oscillator of half-wave.Due to operating frequency as little as 698MHz, special according to half-wave dipole is wanted
Asking, its height is about 0.25 wavelength (about 107mm), thus causes the height of whole antenna the highest.And
In base station antenna system, the particularly active antenna system of a new generation, antenna height is excessive will be to whole
Structural stability design brings the biggest difficulty.It addition, the half-wave dipole design height of routine is applied in indoor
Also can seem during antenna the most excessive, client is difficult to accept.
Therefore, the low profile dual-polarized low frequency radiating element of a kind of improvement, aerial array, antenna assembly it are badly in need of
And antenna overcomes drawbacks described above.
Summary of the invention
It is an object of the invention to provide a kind of low profile dual-polarized low frequency radiating element, reducing radiating element be
To the height of antenna, thus reduce the difficulty to total stability Design, and be easy to there is domestic aerial
The client of demand is accepted.
It is a further object of the present invention to provide a kind of low section multiband dual-polarized antenna array, this aerial array
The height of radiating element or even antenna can be reduced, thus reduce the difficulty to total stability Design, and
It is easy to the client by there being domestic aerial demand accept.
Another object of the present invention is to provide a kind of low section multiband dual-polarization antenna apparatus, this antenna assembly
The height of radiating element or even antenna can be reduced, thus reduce the difficulty to total stability Design, and
It is easy to the client by there being domestic aerial demand accept.
It is yet another object of the invention to provide a kind of low section multiband dual polarized antenna, to reduce radiating element
Or even the height of antenna, thus reduce the difficulty to total stability Design, and it is easy to there is indoor sky
The client of line demand is accepted.
For achieving the above object, the invention provides a kind of low profile dual-polarized low frequency radiating element, including two
Group low frequency feed Balun, four low frequency radiation oscillator arms and dielectric-slabs, described in four, low frequency radiation oscillator arms is positioned at
Same plane, one end of low frequency feed Balun described in two groups is installed vertically on a reflecting plate, low frequency described in two groups
Low frequency radiation oscillator arms described in the other end of feed Balun and four connects, and described dielectric-slab is installed on described reflection
Plate is also near described low frequency radiation oscillator arms, and described dielectric-slab is positioned at described reflecting plate and described low frequency radiation
Between oscillator arms.
Compared with prior art, owing to the low profile dual-polarized low frequency radiating element of the present invention includes dielectric-slab,
Electromagnetic wave is by reflecting during dielectric-slab, and the wavelength of electromagnetic wave will shorten, the work of comprehensive these two aspects
With, the Distance Shortened between low frequency radiation oscillator arms and reflecting plate can be made, i.e. reduce the height of radiating element
Degree, can learn through design of Simulation and experiment, the height of the present invention low profile dual-polarized low frequency radiating element is only
0.135 wavelength of about 58mm, about 698MHz, reduces than conventional half-wave dipole cell height
45%, thus reduce the difficulty to total stability Design, and it is easy to there is domestic aerial demand
Client accepted.
It is preferred that the dielectric constant of described dielectric-slab is 2.8 to 10, the thickness of described dielectric-slab is 2 to 6
Millimeter.
It is preferred that described low frequency radiating element also includes that loading arm, described loading arm are shaken by described low frequency radiation
Sub-arm is formed away from one end the most described reflecting plate bending extension at described reflecting plate center.
Preferably, a length of 8 to 20 millimeters of described loading arm.
Correspondingly, present invention also offers a kind of low section multiband dual-polarized antenna array, including reflecting plate
And at least one low frequency radiating element, low frequency radiating element described in each of which is described above.
Correspondingly, present invention also offers a kind of low section multiband dual-polarization antenna apparatus, including at least one
Aerial array, each described aerial array includes reflecting plate and at least one low frequency radiating element, each of which institute
State low frequency radiating element described above.
Correspondingly, present invention also offers a kind of low section multiband dual polarized antenna, including two coaxial cables,
Coaxial connector, reflecting plate, combiner and low frequency radiating element, the two ends of coaxial cable described in are respectively
Connecting described coaxial connector and combiner, described combiner is installed on described reflecting plate and by described in another
Coaxial cable is connected with described low frequency radiating element, and wherein said low frequency radiating element is described above.
It is preferred that described low section multiband dual polarized antenna, also include that low frequency support column and combiner support
Post, described dielectric-slab is installed on described reflecting plate by described low frequency support column, and described combiner is by described
Combiner support column is installed on described reflecting plate.
It is preferred that described low section multiband dual polarized antenna also includes binding post, described binding post
Two ends connect described combiner respectively and are connected to the described coaxial cable of described low frequency radiating element.
It is preferred that described low section multiband dual polarized antenna also includes high frequency radiating element, described high frequency spoke
Penetrate element solder in described combiner.
Specifically, described high frequency radiating element includes two groups of high frequency feed Balun and four high frequency radiation oscillator arms,
Described in four, high frequency radiation oscillator arms is generally aligned in the same plane, one end vertical welding of high frequency feed Balun described in two groups
In described combiner, described in the other end and four of high frequency feed Balun described in two groups, high frequency radiation oscillator arms connects.
It is preferred that described low section multiband dual polarized antenna also includes that cable fixes seat, described cable is fixed
The described coaxial cable connecting described coaxial connector is fixed on described reflecting plate by seat.
By description below and combine accompanying drawing, the present invention will become more fully apparent, and these accompanying drawings are used for explaining
Embodiments of the invention.
Accompanying drawing explanation
Fig. 1 is the structure chart that the present invention low profile dual-polarized low frequency radiating element is installed on reflecting plate.
Fig. 2 is the structure chart of the present invention low profile dual-polarized low frequency radiating element.
Fig. 3 is the structure chart after Fig. 2 removes feed Balun and dielectric-slab.
Fig. 4 is the structure chart after Fig. 2 removes feed Balun, and low frequency radiation oscillator arms place is close to by dielectric-slab
Plane.
Fig. 5 is the structure chart of another angle of Fig. 4, and the plane at dielectric-slab and low frequency radiation oscillator arms place has
Certain distance.
Electromagnetic radiation theory figure when Fig. 6 a is not for adding dielectric-slab.
Fig. 6 b is the electromagnetic radiation theory figure of the low profile dual-polarized low frequency radiating element of the present invention.
Fig. 7 is the structure chart of the present invention low section multiband dual-polarized antenna array.
Fig. 8 is the structure chart of the present invention low section multiband dual-polarization antenna apparatus.
Fig. 9 is the structure chart of the present invention low section multiband dual polarized antenna.
Figure 10 is the structure chart after Fig. 9 removes antenna cover.
Figure 11 is the structure figure of Figure 10.
Detailed description of the invention
With reference now to accompanying drawing, describing embodiments of the invention, element numbers similar in accompanying drawing represents similar unit
Part.
Refer to Fig. 1 to Fig. 3, the low profile dual-polarized low frequency radiating element 10 of the present invention is installed on reflecting plate
On 12, it include two groups of low frequency feed Balun 101, four low frequency radiation oscillator arms 102, dielectric-slab 103 and
Four loading arms 104.
Specifically, four low frequency radiation oscillator arms 102 are generally aligned in the same plane, the low frequency radiation at each two diagonal angle
Oscillator arms 102 forms a polarised direction, and each low frequency radiation oscillator arms 102 is by a square metal body group
Become.One end of two groups of low frequency feed Balun 101 is installed vertically on reflecting plate 12, two groups of low frequency feed Balun 101
The other end and four low frequency radiation oscillator arms 102 connect, dielectric-slab 103 be installed on reflecting plate 12 and close,
Cover low frequency radiation oscillator arms 102, and dielectric-slab 103 is positioned at reflecting plate 12 and low frequency radiation oscillator arms 102
Between, low frequency radiation oscillator arms 102 bends away from one end vertically reflecting plate 12 at reflecting plate 12 center
Extend and form loading arm 104 (as shown in Figure 2).During use, two groups of radiofrequency signals are from two groups of low frequency feed bars
Human relations 101 input to feed four low frequency radiation oscillator arms 102, thus form dual-polarization radiating unit.
Specifically, as shown in Figures 4 and 5, dielectric-slab 103 be close to low frequency radiation oscillator arms 102 or and its
There is certain distance.
It should be noted that loading arm 104 is formed by the outside bending of low frequency radiation oscillator arms 102 90 degree,
Optimum during its a length of 8 20mm.Low frequency radiation oscillator arms 102 metal material of copper, or electroplated aluminum copper.
Dielectric-slab 103 is the sheet material of the non-conductive material with certain dielectric constant, and dielectric constant is 2.8 to 10,
Thickness is 2 to 6 millimeters, can be molded by extruded or sheet fabrication.
Compared with prior art, the low frequency radiating element of the present invention has the advantage that
(1) as shown in Fig. 6 a and 6b, owing to the low profile dual-polarized low frequency radiating element 10 of the present invention wraps
Including dielectric-slab 103, electromagnetic wave is by reflecting during dielectric-slab, and the wavelength of electromagnetic wave will shorten, comprehensively
The effect of these two aspects, can make the Distance Shortened between low frequency radiation oscillator arms 102 and reflecting plate 12, i.e.
Reduce the height of radiating element, can learn through design of Simulation and experiment, the present invention low profile dual-polarized low frequency
The height of radiating element 10 only has about 58mm, and 0.135 wavelength of about 698MHz, than routine
Half-wave dipole cell height reduce 45%, thus reduce the difficulty to total stability Design,
And be easy to the client by there being domestic aerial demand and accept；
(2) setting of loading arm 104, can play the effect widening low frequency bandwidth；
(3) working frequency range width (698MHz to 960MHz), radiativity is good, and return loss is little, meets room
The requirement to height of the interior covering antenna, also meets the antenna for base station requirement to height, it is achieved that antenna small-sized
Change, there is the wide market space.
Refer to Fig. 7 again, present invention also offers a kind of low section multiband dual-polarized antenna array, including anti-
Penetrate plate 12 and three low frequency radiating element 10.Wherein, each low frequency radiating element 10 is as it has been described above, event exists
This repeats no more.
Refer to Fig. 8 again, present invention also offers a kind of low section multiband dual-polarization antenna apparatus, including two
The individual aerial array being arranged side by side, every day, linear array included reflecting plate 12 and three low frequency radiating element 10.
Wherein, each low frequency radiating element 10 is not as it has been described above, therefore repeat them here.
Refer to Fig. 9 to Figure 11 again, present invention also offers a kind of low section multiband dual polarized antenna, bag
Include antenna house 1, coaxial cable 2, coaxial connector 3, reflecting plate 12 ', combiner 4, high frequency radiating element
5, binding post 6, coaxial cable 7, combiner support column 8, low frequency support column 9, low frequency radiating element 10 ',
Cable fixes seat 11, bracket fixing plate 13, supporting plate 14 and self-locking nut 15.Wherein, high frequency radiation
Unit 5 includes two groups of high frequency feed Balun 501 and four high frequency radiation oscillator arms 502, high frequency feed Balun
The other end and the four high frequency radiation oscillator arms 502 of 501 connect, and four high frequency radiation oscillator arms 502 are positioned at same flat
Face；Low frequency radiating element 10 ' is not as it has been described above, therefore repeat them here.
It should be noted that combiner 4, high frequency feed Balun 501, high frequency radiation oscillator arms 502, low frequency
Feed Balun 101 ' and low frequency radiation oscillator arms 102 ' all use PCB.
Specifically, combiner 5 is installed on reflecting plate 12 ', high frequency feed Balun 501 by self-locking nut 15
Vertical welding in combiner 5 to realize the connection between combiner 5 and high frequency radiating element 5, integration
Design decreases solder joint and simplifies the step of assembling, facilitates assembling.And combiner 4 and low frequency radiating element
10 ' are connected by coaxial cable 7 and binding post 6, binding post 6 make both connection relatively reliable and
Firmly.The dielectric-slab 103 ' of low frequency radiating element 10 ' is fixed on reflecting plate 12 ' by low frequency support column 9,
It is firm that the certain thickness of dielectric-slab 103 ' ensure that in low frequency cell structure.Coaxial cable 2 at antenna port
Fix seat 11 locking by cable and guarantee that it can not loosen.Refer to Figure 11 again, bracket fixing plate 13 and
Frame plate 14 is installed on the back side of reflecting plate 12 ', and supporting plate 14 is corresponding to the position at combiner 4 place.
From the above, it can be seen that the low section multiband dual polarized antenna of the present invention has the advantage that
(1) dielectric-slab 103 ', electromagnetism are included due to the low profile dual-polarized low frequency radiating element 10 ' of the present invention
Ripple is by reflecting during dielectric-slab, and the wavelength of electromagnetic wave will shorten, the effect of comprehensive these two aspects,
The Distance Shortened between low frequency radiation oscillator arms 102 ' and reflecting plate 12 ' can be made, i.e. reduce radiating element
Highly, can learn through design of Simulation and experiment, the height of the present invention low profile dual-polarized low frequency radiating element 10 '
0.135 wavelength of only about 58mm, about 698MHz, than conventional half-wave dipole cell height
Reduce 45%, thus reduce the difficulty to total stability Design, and be easy to there is domestic aerial
The client of demand is accepted；
(2) setting of loading arm 104 ', can play the effect widening low frequency bandwidth；
(3) achieve the working frequency range (698-960MHz, 1710-2700MHz) of dual polarization ultra-wide, make two relatively
The voltage standing wave ratio of wide frequency range meets design and requires (698-960MHz ＜ 1.8,1710-2700MHz ＜ 1.5)；
(4) radiativity is good, and return loss is little, meets the indoor coverage antenna requirement to height, also meets base
The station antenna requirement to height, it is achieved that the miniaturization of antenna, has the wide market space；
(5) be particularly suitable for forth generation GSM in-door covering, can cover SCDMA1900,
CDMA800、GSM900、GSM1800、DCS、PCS、WCDMA、WiFi、WiMax、LTE
Etc. frequency range and the communication pattern that realizes MIMO, applied widely.
Invention has been described for above example, but the invention is not limited in embodiment disclosed above,
And amendment, the equivalent combinations that the various essence according to the present invention is carried out should be contained.
Claims (5)
1. a low section multiband dual polarized antenna, including two coaxial cables, coaxial connector, reflecting plate,
Combiner, low frequency radiating element and high frequency radiating element, the two ends of coaxial cable described in connect institute respectively
Stating coaxial connector and combiner, described combiner is installed on described reflecting plate and by another described coaxial electrical
Cable is connected with described low frequency radiating element, it is characterised in that described low frequency radiating element includes two groups of low frequency feedbacks
Electricity balun, four low frequency radiation oscillator arms and dielectric-slabs, described four low frequency radiation oscillator arms are generally aligned in the same plane,
One end of low frequency feed Balun described in two groups is installed vertically on described reflecting plate, low frequency feed Balun described in two groups
The other end be connected with described four low frequency radiation oscillator arms, described dielectric-slab is installed on described reflecting plate close
Described low frequency radiation oscillator arms, and described dielectric-slab be positioned at described reflecting plate and described low frequency radiation oscillator arms it
Between；
Described high frequency radiating element includes two groups of high frequency feed Balun and four high frequency radiation oscillator arms, described four
High frequency radiation oscillator arms is generally aligned in the same plane, and one end vertical welding of high frequency feed Balun described in two groups is in described
Combiner, the other end of high frequency feed Balun described in two groups is connected with described four high frequency radiation oscillator arms；
Wherein, described low section multiband dual polarized antenna also includes loading arm, and described loading arm is by described low
Radio-frequency radiation oscillator arms extends and shape away from one end the most described reflecting plate bending at described reflecting plate center
Become.
Low section multiband dual polarized antenna the most as claimed in claim 1, it is characterised in that described medium
The dielectric constant of plate is 2.8 to 10, and the thickness of described dielectric-slab is 2 to 6 millimeters.
Low section multiband dual polarized antenna the most as claimed in claim 1, it is characterised in that described loading
A length of 8 to 20 millimeters of arm.
Low section multiband dual polarized antenna the most as claimed in claim 1, it is characterised in that also include connecing
Line terminals, the two ends of described binding post connect described combiner respectively and are connected to described low frequency radiating element
Described coaxial cable.
Low section multiband dual polarized antenna the most as claimed in claim 4, it is characterised in that also include line
Seat fixed by cable, and described cable is fixed seat and is fixed on by the described coaxial cable connecting described coaxial connector described
Reflecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310595373.3A CN103779658B (en) | 2013-11-22 | 2013-11-22 | Low section multiband dual polarized antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310595373.3A CN103779658B (en) | 2013-11-22 | 2013-11-22 | Low section multiband dual polarized antenna |
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| Publication Number | Publication Date |
|---|---|
| CN103779658A CN103779658A (en) | 2014-05-07 |
| CN103779658B true CN103779658B (en) | 2016-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310595373.3A Active CN103779658B (en) | 2013-11-22 | 2013-11-22 | Low section multiband dual polarized antenna |
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| EP3649701A4 (en) * | 2017-07-05 | 2021-03-17 | Commscope Technologies LLC | Base station antennas having radiating elements with sheet metal-on dielectric dipole radiators and related radiating elements |
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| CN107946736B (en) * | 2017-12-20 | 2024-07-23 | 华南理工大学 | Multi-frequency base station antenna and low-frequency radiation unit thereof |
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| CN111293418A (en) | 2018-12-10 | 2020-06-16 | 康普技术有限责任公司 | Radiator assembly for base station antenna and base station antenna |
| CN113782953A (en) * | 2019-02-19 | 2021-12-10 | 华为技术有限公司 | Radiation device and multi-band array antenna |
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| CN112038758A (en) * | 2020-09-23 | 2020-12-04 | 广东曼克维通信科技有限公司 | Ultra-wideband dual-polarized radiation unit, antenna and antenna array |
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| Publication number | Publication date |
|---|---|
| CN103779658A (en) | 2014-05-07 |
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Free format text: CORRECT: INVENTOR; FROM: CHEN JUNLIN ZHI YONGYAO TO: CHEN JUNLIN |
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| C14 | Grant of patent or utility model | ||
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Denomination of invention: Low-profile multi-band frequency dual-polarization antenna Effective date of registration: 20200514 Granted publication date: 20160824 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd Pledgor: FOSHAN ANJIEXIN COMMUNICATION EQUIPMENT Co.,Ltd. Registration number: Y2020980002209 |