CN205790402U - A kind of dual-band and dual-polarization narrow beam array antenna - Google Patents
A kind of dual-band and dual-polarization narrow beam array antenna Download PDFInfo
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- CN205790402U CN205790402U CN201620491054.7U CN201620491054U CN205790402U CN 205790402 U CN205790402 U CN 205790402U CN 201620491054 U CN201620491054 U CN 201620491054U CN 205790402 U CN205790402 U CN 205790402U
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Abstract
This utility model relates to a kind of dual-band and dual-polarization narrow beam array antenna, including metallic reflection plate, and is arranged on the high frequency radiating element working in higher frequency band on metallic reflection plate and the low frequency radiating element working in relatively low-frequency range.Two row low frequency array are distributed in the both sides of three row HF arrays, and the low frequency radiating element employing two-way power splitter connection that two row low frequency array are corresponding, all low frequency array constitute a low frequency system；The high frequency radiating element that three row HF arrays are corresponding uses three road power splitters to connect, and all HF arrays constitute a radio frequency system.Use low-and high-frequency mode the most altogether and corresponding isolator, it is ensured that low-and high-frequency circuit and the independence of radiance.Use the dual-band and dual-polarization narrow beam antenna of this utility model structure, it is ensured that the stability of the radiation characteristic in broadband range, all standards of 2G, 3G and 4G LTE in compatible mobile communication.
Description
Technical field
This utility model relates to the communications field, more specifically, relates to a kind of dual-band and dual-polarization narrow beam array
Antenna.
Background technology
The important means that communication technology is transmitted as information, under the promotion of modern society's IT application process in-depth
Constantly develop.Antenna for base station is radiation and receives electromagnetic waves parts, in whole mobile communication system
The middle important function playing " upload and assign ", the quality of antenna performance directly affects mobile communication quality
Quality.One secondary high performance antenna can not only relax the requirement of communication system and can improve whole system
The performance of system.For compatible multiple communication standard, reduce complexity and networking cost, the antenna for base station of system
Broadband, miniaturization share with multifrequency and have become as one of current focus.
During mobile communication system networking, the selection of antenna is critically important work, should be according to network
Covering demand, telephone traffic, utilization scene, the practical situation such as landform select antenna.Such as, due to station
Point is intensive, and telephone traffic is big, the antenna that urban district suitably uses horizontal beam width to be 65 °；Rural area or suburb by
Low in telephone traffic, coverage is big, suitably uses high-gain, and horizontal beam width is 90 °, 120 ° determine
To antenna.
Traditional narrow beam antenna can only solve one-segment cover, be i.e. operating only at 698-960MHz or
1710-2690MHz.As can be seen here, prior art still has several drawbacks.
Utility model content
In view of this, in order to solve above-mentioned technical problem, the utility model proposes a kind of dual-band and dual-polarization narrow
Beam array antenna, breaks through bottleneck of the prior art, it is provided that one can take into account 698-960MHz with
The dual-band and dual-polarization narrow beam array antenna of 1710-2690MHz, uses corresponding low-and high-frequency isolator and group
Formation formula, can obtain preferably electric property and radiance.
This utility model solves the problems referred to above by techniques below means:
A kind of dual-band and dual-polarization narrow beam array antenna, including metallic reflection plate, the height that works in higher frequency band
Radio-frequency radiation unit, work in the low frequency radiating element of relatively low-frequency range, plastic feet, three road power splitters and two
Road power splitter, described low frequency radiating element, plastic feet, three road power splitters and two-way power splitter are all installed
On described metallic reflection plate, described high frequency radiating element is arranged on plastic feet；
Described high frequency radiating element includes mutually orthogonal two oscillator, and multiple high frequency radiating element are along first
Reference line and the arrangement of the second reference line, form two row HF arrays, described first reference line and the second reference line
Parallel and misaligned；
Described low frequency radiating element also includes mutually orthogonal two oscillator, and multiple low frequency radiating element are along the 3rd
Reference line and the arrangement of the 4th reference line, form two row low frequency array, described 3rd reference line and the 4th reference line
It is parallel to the first reference line and the second reference line and does not overlaps with the first reference line and the second reference line, Qi Zhong
Three reference lines are positioned at the side of HF array, and the 4th reference line is positioned at the opposite side of HF array.
Preferably, multiple high frequency radiating element arrange along the 5th reference line, form string HF array, institute
State the 5th reference line parallel with the first reference line and misaligned, described 5th reference line be positioned at the first reference line,
In the middle of second reference line.
Preferably, each column HF array medium-high frequency radiating element quantity is equal, and is all equidistant d arrangement,
The geometric center of first high frequency radiating element that the first reference line is corresponding with the second reference line point-blank,
Described straight line parallel is in horizontal direction, and the geometric center of the 5th first high frequency radiating element of reference line is with described
Straight line spacing in vertical direction is d/2, and high frequency radiating element corresponding between row is connected by three road power splitters；
Each column low frequency array medium and low frequency radiating element quantity is equal, and is all equidistant D arrangement, and has D ＞ d,
The geometric center of first low frequency radiating element that the 3rd reference line is corresponding with the 4th reference line is also at described straight line
On, low frequency radiating element corresponding between row is connected by two-way power splitter.
Preferably, D=2*d.
Preferably, all low frequency radiating element are subordinated to a low frequency system, all high frequency radiating element subordinates
In a radio frequency system.
Preferably, described three road power splitters are into three networks gone out, and are operated in 1710-2690MHz frequency range,
Its delivery outlet has three, comprises the first delivery outlet, the second delivery outlet and the 3rd delivery outlet；
Described two-way power splitter is one-in-and-two-out network, is operated in 698-960MHz frequency range, comprises the 4th output
Mouth and the 5th delivery outlet.
Preferably, described metallic reflection plate both sides arrange corresponding flange with choke groove to control low frequency radiation ripple
The performance of bundle.
Preferably, the prolonging of the bearing of trend of two oscillators of high frequency radiating element and two oscillators of low frequency radiating element
Stretch direction respectively in parastate, and two kinds of radiating element oscillator bearing of trends all with the flange of metallic reflection plate
In 45 ° of angles.
Preferably, described metallic reflection plate part hollow out, metallic reflection plate passes through metal screws and low frequency radiation
Unit is directly connected to.
Preferably, described dual-band and dual-polarization narrow beam array antenna passes through low-and high-frequency radiating element side the most altogether
Formula reduces the electromagnetic coupled between them.
Dual-band and dual-polarization narrow beam array antenna of the present utility model, HF array is arranged in 2 row low frequency array
Between, use the decoupling of corresponding low-and high-frequency to arrange, ensure that low-and high-frequency is every electric and radiates to greatest extent
The independence of performance and stability.And, the arrangement of its compact conformation is convenient, and it is right to have effectively achieved
The covering of 698-960MHz Yu 1710-2690MHz frequency range, meets all frequency ranges of current mobile communications network,
It is possible not only to reduce the number of antennas used by base station, reduces cloth station cost, it is also possible to reduce operation maintenance expense.
The utility model proposes narrow beam dual-frequency array antenna horizontal beam width is 30 °, both can guarantee that main covering
Lid direction is relatively concentrated, and avoids the impact on other adjacent base stations simultaneously.It is suitable for some elongated zones, landscape
District or marine site cover along course, can be greatly saved cost, and well solve overlength distance covering problem,
Play a multiplier effect.
Accompanying drawing explanation
Fig. 1 is a kind of broad-band antenna unit of the prior art；
Fig. 2 is the metallic reflection plate partial structurtes schematic diagram in this utility model embodiment 1；
The local of a kind of dual-band and dual-polarization narrow beam array antenna that Fig. 3 provides for this utility model embodiment 1
Structural representation；
Fig. 4 is the structural representation of the power splitter feeding network in this utility model embodiment 1；
The entirety of a kind of dual-band and dual-polarization narrow beam array antenna that Fig. 5 provides for this utility model embodiment 1
Structural representation；
A kind of dual-band and dual-polarization narrow beam array antenna entirety knot that Fig. 6 provides for this utility model embodiment 2
The schematic diagram of structure.
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with
The technical solution of the utility model is described in detail by accompanying drawing and specific embodiment.It is pointed out that
Described embodiment is only a part of embodiment of this utility model rather than whole embodiments, based on
Embodiment in this utility model, those of ordinary skill in the art are institute under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of this utility model protection.
Embodiment 1
As shown in Figures 2 to 5, a kind of dual-band and dual-polarization narrow beam battle array that this utility model embodiment 1 provides
Array antenna, including metallic reflection plate 1, is arranged on the high frequency radiation list working in higher frequency band on metallic reflection plate
Unit 2 and the low frequency radiating element 3 working in relatively low-frequency range.Preferably, described high frequency radiating element 2 works in
1710-2690MHz band limits, described low frequency radiating element 3 works in 698-960MHz band limits.
Described metallic reflection plate 1 part hollow out, is provided with plastic feet 4, and high frequency radiating element 2 is arranged on to be moulded
On material base 4, it is to avoid metallic reflection plate 1 is physically directly connected to high frequency radiating element 2.Metal
Reflecting plate 1 is directly connected to low frequency radiating element 3 by metal screws.By low-and high-frequency radiating element not altogether
The mode on ground reduces the electromagnetic coupled between them.It addition, described metallic reflection plate both sides arrange and turn over accordingly
Limit and choke groove 5 control the performance of low frequency radiation wave beam.
Described high frequency radiating element 2 includes mutually orthogonal oscillator 201 and oscillator 202；Multiple high frequency radiation lists
Unit 2, along the 5th reference line arrangement, forms string HF array.Multiple high frequency radiating element 2 are along the first ginseng
Examine line and the arrangement of the second reference line, form two row HF arrays.Described first reference line and the second reference line are put down
Row is in the 5th reference line, and does not overlaps with the 5th reference line.Wherein the first reference line is positioned at the 5th reference line
Side, the second reference line is positioned at the 5th reference line opposite side.
Described low frequency radiating element 3 includes mutually orthogonal oscillator 301 and oscillator 302, multiple low frequency radiation lists
Unit arranges along the 3rd reference line and the 4th reference line, forms two row low frequency array.Described 3rd reference line and
Four reference lines are parallel to the 5th reference line, and do not overlap with the 5th reference line.Wherein the 3rd reference line is positioned at height
Frequently the side of array, the 4th reference line is positioned at the opposite side of HF array.
The bearing of trend of described high frequency radiating element oscillator 201 and the extension side of low frequency radiating element oscillator 301
To in parastate；The bearing of trend of high frequency radiating element oscillator 202 and low frequency radiating element oscillator 302
Bearing of trend is parastate, and is 45 ° of angles with the flange of metallic reflection plate 1.
Three row HF array element number are equal, are all equidistant d arrangement, the first reference line and the second reference
Point-blank, and this straight line parallel is in horizontal direction for the geometric center of first unit that line is corresponding.The
The geometric center of five first unit of reference line and described straight line spacing in vertical direction are d/2.Three row
Between corresponding high frequency radiating element 2 connected by three road power splitters 6.It should be strongly noted that described water
Square to only combining the distinctiveness name that the present embodiment direction shown in the drawings carries out with vertical direction, and
Can not represent in actual three dimensions is all horizontal vertical direction.
Two row low frequency array element number are equal, are all equidistant D arrangement, and have D d, it is preferable that D=2*d,
The geometric center of first unit that the 3rd reference line is corresponding with the 4th reference line is also on described straight line.Two row
Between corresponding low frequency radiating element 3 connected by two-way power splitter 7.
All high frequency radiating element 2 are subordinated to a radio frequency system, and all low frequency radiating element 3 are subordinated to one
Individual low frequency system.
Described high frequency three road power splitter 6 is into three networks gone out, and is operated in 1710-2690MHz frequency range.Its
Delivery outlet has three, comprises the first delivery outlet the 601, second delivery outlet 602 and the 3rd delivery outlet 603.
Described low frequency two-way power splitter 7 is one-in-and-two-out network, is operated in 698-960MHz frequency range, comprises
Four delivery outlet 701 and the 5th delivery outlets 702.
Embodiment 2
As shown in Figure 6, this utility model embodiment is changed on the basis of embodiment 1, high frequency system
System is only provided that the high-quality radiance of 1710-2170MHz frequency range.For network actual demand and cost because of
Element considers, this kind of dual-band and dual-polarization narrow beam array antenna has bigger practical value.
Specifically, this utility model embodiment radio frequency system only has two row HF arrays, and HF array is still etc.
Spacing arranges, and between two row, corresponding radiating element is connected by two-way power splitter, the frequency of this power splitter work
Scope is 1710-2170MHz.
Specifically, two row low frequency array lay respectively at the both sides of HF array, and low frequency array is also equidistantly to arrange
Row, it is preferable that this spacing is 2 times of HF array spacing.Radiating element corresponding between two row is by two-way
Power splitter 7 connects.Additionally having, first radiating element geometric center of 4 row low-and high-frequency arrays is positioned at one directly
On line, this straight line parallel is in horizontal direction.
Other features in this utility model embodiment are same as in Example 1, do not repeat them here.
It is pointed out that in provided above two embodiment, the number of low-and high-frequency array radiation unit is only
It is that technical solutions of the utility model one in actual applications is specifically chosen.According to Practical Project demand, increase
Add or reduce the number of low-and high-frequency radiating element, still can realize the dual-band and dual-polarization of described different gains
Narrow beam antenna.Meanwhile, in two above embodiments, by changing the side of implementing of feeding network
Formula, can be divided into 2 or multiple system by low frequency or high frequency, and then realizes 3 frequencies, 4 frequencies or more
The narrow beam array antenna of multisystem is all fairly simple and nothing the matter, and those skilled in the art has the ability
The occasion of its application is expanded according to the motility in this utility model structure.
It is emphasized that, in both examples above, high frequency radiating element equidistantly arranges, low frequency radiation
Unit is also equidistantly arrangement, and low frequency radiating element spacing is preferably 2 times of high frequency radiating element spacing.
According to different covering band requirement, no gain requirements, and different radiance demands, use
Different absolute spacing equidistantly arranges with relative spacing, or does not use the equidistant arrangement mode to be all
Fairly simple and easy.Due to without departing from design of the present utility model, also at protection model of the present utility model
Within enclosing.
Dual-band and dual-polarization narrow beam array antenna of the present utility model, HF array is arranged in 2 row low frequency array
Between, use the decoupling of corresponding low-and high-frequency to arrange, ensure that low-and high-frequency is every electric and radiates to greatest extent
The independence of performance and stability.And, the arrangement of its compact conformation is convenient, and it is right to have effectively achieved
The covering of 698-960MHz Yu 1710-2690MHz frequency range, meets all frequency ranges of current mobile communications network,
It is possible not only to reduce the number of antennas used by base station, reduces cloth station cost, it is also possible to reduce operation maintenance expense.
The utility model proposes narrow beam dual-frequency array antenna horizontal beam width is 30 °, both can guarantee that main covering
Lid direction is relatively concentrated, and avoids the impact on other adjacent base stations simultaneously.It is suitable for some elongated zones, landscape
District or marine site cover along course, can be greatly saved cost, and well solve overlength distance covering problem,
Play a multiplier effect.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed
Carefully, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, it is right
For those of ordinary skill in the art, without departing from the concept of the premise utility, it is also possible to do
Going out some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, this utility model is special
The protection domain of profit should be as the criterion with claims.
Claims (10)
1. a dual-band and dual-polarization narrow beam array antenna, it is characterised in that include metallic reflection plate, work
In higher frequency band high frequency radiating element, work in the low frequency radiating element of relatively low-frequency range, plastic feet, three
Road power splitter and two-way power splitter, described low frequency radiating element, plastic feet, three road power splitters and two
Road power splitter is all arranged on described metallic reflection plate, and described high frequency radiating element is arranged on plastic feet；
Described high frequency radiating element includes mutually orthogonal two oscillator, and multiple high frequency radiating element are along first
Reference line and the arrangement of the second reference line, form two row HF arrays, described first reference line and the second reference line
Parallel and misaligned；
Described low frequency radiating element also includes mutually orthogonal two oscillator, and multiple low frequency radiating element are along the 3rd
Reference line and the arrangement of the 4th reference line, form two row low frequency array, described 3rd reference line and the 4th reference line
It is parallel to the first reference line and the second reference line and does not overlaps with the first reference line and the second reference line, Qi Zhong
Three reference lines are positioned at the side of HF array, and the 4th reference line is positioned at the opposite side of HF array.
Dual-band and dual-polarization narrow beam array antenna the most according to claim 1, it is characterised in that multiple
High frequency radiating element arranges along the 5th reference line, forms string HF array, described 5th reference line and the
One reference line is parallel and misaligned, and described 5th reference line is positioned in the middle of the first reference line, the second reference line.
Dual-band and dual-polarization narrow beam array antenna the most according to claim 2, it is characterised in that each column
HF array medium-high frequency radiating element quantity is equal, and is all equidistant d arrangement, the first reference line and second
The geometric center of first high frequency radiating element that reference line is corresponding point-blank, described straight line parallel in
Horizontal direction, the geometric center of the 5th first high frequency radiating element of reference line and described straight line are in vertical direction
On spacing be d/2, high frequency radiating element corresponding between row is connected by three road power splitters；
Each column low frequency array medium and low frequency radiating element quantity is equal, and is all equidistant D arrangement, and has D ＞ d,
The geometric center of first low frequency radiating element that the 3rd reference line is corresponding with the 4th reference line is also at described straight line
On, low frequency radiating element corresponding between row is connected by two-way power splitter.
Dual-band and dual-polarization narrow beam array antenna the most according to claim 3, it is characterised in that D=2*d.
Dual-band and dual-polarization narrow beam array antenna the most according to claim 1, it is characterised in that all
Low frequency radiating element is subordinated to a low frequency system, and all high frequency radiating element are subordinated to a radio frequency system.
Dual-band and dual-polarization narrow beam array antenna the most according to claim 3, it is characterised in that described
Three road power splitters are into three networks gone out, and are operated in 1710-2690MHz frequency range, and its delivery outlet has three,
Comprise the first delivery outlet, the second delivery outlet and the 3rd delivery outlet；
Described two-way power splitter is one-in-and-two-out network, is operated in 698-960MHz frequency range, comprises the 4th output
Mouth and the 5th delivery outlet.
Dual-band and dual-polarization narrow beam array antenna the most according to claim 1, it is characterised in that described
Metallic reflection plate both sides arrange corresponding flange with choke groove to control the performance of low frequency radiation wave beam.
Dual-band and dual-polarization narrow beam array antenna the most according to claim 7, it is characterised in that high frequency
The bearing of trend of two oscillators of the bearing of trend of two oscillators of radiating element and low frequency radiating element is respectively in parallel
State, and two kinds of radiating element oscillator bearing of trends all flange with metallic reflection plate are 45 ° of angles.
Dual-band and dual-polarization narrow beam array antenna the most according to claim 1, it is characterised in that described
Metallic reflection plate part hollow out, metallic reflection plate is directly connected to low frequency radiating element by metal screws.
Dual-band and dual-polarization narrow beam array antenna the most according to claim 1, it is characterised in that institute
State dual-band and dual-polarization narrow beam array antenna by low-and high-frequency radiating element the most altogether by the way of reduce between them
Electromagnetic coupled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620491054.7U CN205790402U (en) | 2016-05-25 | 2016-05-25 | A kind of dual-band and dual-polarization narrow beam array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620491054.7U CN205790402U (en) | 2016-05-25 | 2016-05-25 | A kind of dual-band and dual-polarization narrow beam array antenna |
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| Publication Number | Publication Date |
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| CN205790402U true CN205790402U (en) | 2016-12-07 |
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| CN201620491054.7U Expired - Fee Related CN205790402U (en) | 2016-05-25 | 2016-05-25 | A kind of dual-band and dual-polarization narrow beam array antenna |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846113A (en) * | 2016-05-25 | 2016-08-10 | 广东博纬通信科技有限公司 | Double-frequency dual-polarization narrow-wave beam array antenna |
| CN107317120A (en) * | 2017-07-06 | 2017-11-03 | 安谱络(苏州)通讯技术有限公司 | A kind of compact dual polarization multifrequency antenna, array and its building method |
| CN109599665A (en) * | 2019-01-08 | 2019-04-09 | 广东司南通信科技有限公司 | A kind of double polarization array antenna and its application |
| CN110611175A (en) * | 2019-08-30 | 2019-12-24 | 广州司南天线设计研究所有限公司 | Dual-polarized antenna array and dual-polarized 2-beam antenna |
-
2016
- 2016-05-25 CN CN201620491054.7U patent/CN205790402U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846113A (en) * | 2016-05-25 | 2016-08-10 | 广东博纬通信科技有限公司 | Double-frequency dual-polarization narrow-wave beam array antenna |
| CN105846113B (en) * | 2016-05-25 | 2019-01-22 | 广东博纬通信科技有限公司 | A kind of dual-band and dual-polarization narrow beam array antenna |
| CN107317120A (en) * | 2017-07-06 | 2017-11-03 | 安谱络(苏州)通讯技术有限公司 | A kind of compact dual polarization multifrequency antenna, array and its building method |
| CN109599665A (en) * | 2019-01-08 | 2019-04-09 | 广东司南通信科技有限公司 | A kind of double polarization array antenna and its application |
| CN109599665B (en) * | 2019-01-08 | 2024-04-19 | 广州司南技术有限公司 | Dual-polarized array antenna and application thereof |
| CN110611175A (en) * | 2019-08-30 | 2019-12-24 | 广州司南天线设计研究所有限公司 | Dual-polarized antenna array and dual-polarized 2-beam antenna |
| CN110611175B (en) * | 2019-08-30 | 2024-06-07 | 广州司南技术有限公司 | Dual polarized antenna array and dual polarized 2-beam antenna |
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